:root {
    --bg-main: #050508;
    --bg-card: rgba(255, 255, 255, 0.025);
    --bg-card-hover: rgba(255, 255, 255, 0.05);
    --border-color: rgba(255, 255, 255, 0.06);
    --border-hover: rgba(255, 255, 255, 0.12);
    --text-primary: #f0f0f5;
    --text-secondary: #71717a;
    --text-muted: #52525b;
    --accent-purple: #a855f7;
    --accent-blue: #3b82f6;
    --accent-cyan: #06b6d4;
    --accent-orange: #f97316;
    --font: 'Plus Jakarta Sans', system-ui, sans-serif;
    --container: 1200px;
    --radius: 20px;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 100px; }

body {
    background: var(--bg-main);
    color: var(--text-primary);
    font-family: var(--font);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { letter-spacing: -0.03em; line-height: 1.15; font-weight: 700; }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; height: auto; display: block; }

.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 2rem;
}

.text-gradient {
    background: linear-gradient(135deg, #a855f7 0%, #3b82f6 50%, #06b6d4 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ═══════════ AMBIENT BG ═══════════ */
.ambient-bg {
    position: fixed;
    inset: 0;
    z-index: -1;
    background: var(--bg-main);
}
.noise-overlay {
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.03'/%3E%3C/svg%3E");
    opacity: 0.4;
}
.blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(140px);
    opacity: 0.15;
    animation: blobDrift 25s infinite alternate ease-in-out;
}
.blob-1 { width: 600px; height: 600px; background: var(--accent-purple); top: -200px; left: -150px; }
.blob-2 { width: 500px; height: 500px; background: var(--accent-cyan); bottom: -150px; right: -150px; animation-delay: -12s; }
.blob-3 { width: 400px; height: 400px; background: var(--accent-blue); top: 50%; left: 50%; transform: translate(-50%, -50%); animation-delay: -6s; opacity: 0.08; }

@keyframes blobDrift {
    0% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(80px, -60px) scale(1.1); }
    100% { transform: translate(-40px, 80px) scale(0.95); }
}

/* ═══════════ NAVBAR ═══════════ */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 100;
    padding: 1.2rem 0;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
.navbar.scrolled {
    background: rgba(5, 5, 8, 0.85);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-bottom: 1px solid var(--border-color);
    padding: 0.8rem 0;
}
.nav-container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.logo { font-size: 1.5rem; font-weight: 800; color: white; display: flex; align-items: center; gap: 0.5rem; text-decoration: none; }
.logo-icon { height: 2.2rem; width: 2.2rem; max-height: 2.2rem; max-width: 2.2rem; object-fit: contain; flex-shrink: 0; display: block; filter: drop-shadow(0 0 8px rgba(139, 92, 246, 0.5)) drop-shadow(0 0 4px rgba(6, 182, 212, 0.35)); transition: filter 0.3s ease; }
.logo:hover .logo-icon { filter: drop-shadow(0 0 12px rgba(139, 92, 246, 0.8)) drop-shadow(0 0 6px rgba(6, 182, 212, 0.6)); }
.logo .logo-text { color: white; line-height: 1; }
.logo .logo-text span { color: var(--accent-cyan); }
.nav-links { display: flex; gap: 2.5rem; align-items: center; }
.nav-links a:not(.nav-cta) {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.3s;
    position: relative;
}
.nav-links a:not(.nav-cta):hover { color: white; }
.nav-links a:not(.nav-cta)::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-cyan);
    transition: width 0.3s;
}
.nav-links a:not(.nav-cta):hover::after { width: 100%; }
.nav-cta {
    background: white;
    color: #050508;
    padding: 0.55rem 1.4rem;
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 700;
    transition: all 0.3s;
}
.nav-cta i { margin-left: 6px; font-size: 0.75rem; transition: transform 0.3s; }
.nav-cta:hover { box-shadow: 0 0 24px rgba(255,255,255,0.25); }
.nav-cta:hover i { transform: translateX(3px); }
.mobile-menu-btn { display: none; }

/* ═══════════ DROPDOWN ═══════════ */
.dropdown { position: relative; display: inline-block; padding: 10px 0; }
.dropbtn { 
    display: inline-flex; 
    align-items: center; 
    gap: 5px; 
    cursor: pointer; 
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.3s;
}
.dropbtn:hover { color: white; }
.dropdown-content {
    display: none;
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    min-width: 240px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    box-shadow: 0 20px 40px rgba(0,0,0,0.5), 0 0 0 1px rgba(168,85,247,0.1);
    padding: 0.5rem;
    z-index: 100;
    opacity: 0;
    transition: all 0.3s ease;
}
.dropdown-content a {
    color: var(--text-secondary);
    padding: 12px 16px;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.85rem;
    font-weight: 500;
    border-radius: 10px;
    transition: all 0.2s;
}
.dropdown-content a::after { display: none !important; }
.dropdown-content a i {
    font-size: 1rem;
    color: var(--accent-purple);
    width: 20px;
    text-align: center;
}
.dropdown-content a:hover {
    background: rgba(168, 85, 247, 0.1);
    color: white;
}
.dropdown.active .dropdown-content {
    display: block;
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}
.dropdown.active .dropbtn i {
    transform: rotate(180deg);
}
.dropbtn i { transition: transform 0.3s; font-size: 0.75rem; }

/* ═══════════ BUTTONS ═══════════ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border-radius: 100px;
    font-weight: 700;
    font-size: 0.95rem;
    font-family: var(--font);
    cursor: pointer;
    transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    border: none;
}
.btn-primary {
    background: white;
    color: #050508;
    box-shadow: 0 0 0 0 rgba(255,255,255,0);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(255,255,255,0.2);
}
.btn-primary i { font-size: 0.8rem; transition: transform 0.3s; }
.btn-primary:hover i { transform: translateX(4px); }
.btn-ghost {
    /* --border-color (%6 beyaz) kartlar için ince bir ayraç olsun diye
       kasıtlı soluk; bir butonda kullanılınca "tıklanabilir" hissi
       vermiyordu. Burada görünür bir kenarlıkla değiştirildi. */
    background: transparent;
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.22);
}
.btn-ghost:hover {
    color: white;
    border-color: rgba(255,255,255,0.4);
    background: rgba(255,255,255,0.06);
}
.btn-large { padding: 1.2rem 2.8rem; font-size: 1.05rem; }

/* ═══════════ HERO ═══════════ */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 8rem 2rem 4rem;
}
.hero-container { max-width: 850px; }
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 1rem;
    border-radius: 100px;
    background: rgba(168, 85, 247, 0.1);
    border: 1px solid rgba(168, 85, 247, 0.2);
    color: var(--accent-purple);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 2rem;
}
.badge-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent-purple);
    animation: pulse-dot 2s infinite;
}
@keyframes pulse-dot {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}
.hero-title { font-size: clamp(2.8rem, 6vw, 5rem); margin-bottom: 1.5rem; }
.hero-subtitle {
    font-size: clamp(1.05rem, 2vw, 1.25rem);
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 650px;
    margin-left: auto;
    margin-right: auto;
}
.hero-actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; margin-bottom: 4rem; }
.hero-metrics {
    display: flex;
    justify-content: center;
    gap: 2.5rem;
    padding: 1.5rem 2rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
}
.metric { text-align: center; }
.metric-value { font-size: 1.8rem; font-weight: 800; display: block; }
.metric-label { font-size: 0.8rem; color: var(--text-secondary); margin-top: 0.2rem; }
.metric-divider { width: 1px; background: var(--border-color); }

/* ═══════════ TICKER ═══════════ */
.ticker-section {
    padding: 2rem 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    overflow: hidden;
}
.ticker-track { display: flex; }
.ticker-content {
    display: flex;
    gap: 2rem;
    align-items: center;
    animation: ticker-scroll 30s linear infinite;
    white-space: nowrap;
}
.ticker-content span { font-size: 0.9rem; color: var(--text-muted); font-weight: 500; }
.ticker-dot { color: var(--accent-purple); font-size: 0.5rem; }
@keyframes ticker-scroll { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }

/* ═══════════ SECTION HEADERS ═══════════ */
section { padding: 8rem 0; }
.section-header { text-align: center; margin-bottom: 4rem; }
.section-label {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--accent-cyan);
    margin-bottom: 1rem;
}
.section-title { font-size: clamp(2rem, 4vw, 3.2rem); margin-bottom: 1rem; }
.section-desc { color: var(--text-secondary); font-size: 1.1rem; max-width: 600px; margin: 0 auto; }

/* ═══════════ PROBLEM CARDS ═══════════ */
/* 3 kart. auto-fit ile ~900-1150px arasında 2 sütuna düşüp 3. kartı yalnız
   bırakıyordu; sabit 3 → 1 geçişi bu ara durumu tamamen ortadan kaldırıyor. */
.problem-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}
@media (max-width: 980px) {
    .problem-grid { grid-template-columns: 1fr; }
}
.problem-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 2.5rem 2rem;
    border-radius: var(--radius);
    transition: all 0.4s;
    position: relative;
    overflow: hidden;
}
.problem-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-purple), var(--accent-cyan));
    opacity: 0;
    transition: opacity 0.4s;
}
.problem-card:hover { background: var(--bg-card-hover); border-color: var(--border-hover); transform: translateY(-4px); }
.problem-card:hover::before { opacity: 1; }
.problem-icon-wrap {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: rgba(168, 85, 247, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-purple);
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
}
.problem-card h3 { font-size: 1.3rem; margin-bottom: 0.75rem; }
.problem-card p { color: var(--text-secondary); font-size: 0.95rem; }

/* ═══════════ STATS ═══════════ */
.stats-section { padding: 4rem 0; }
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 3rem 2rem;
    text-align: center;
}
.stat-item { display: flex; flex-direction: column; align-items: center; }
.stat-value-wrapper { display: flex; align-items: baseline; gap: 4px; }
.stat-number { font-size: 3.5rem; font-weight: 800; line-height: 1; }
.stat-suffix { font-size: 2.2rem; font-weight: 800; line-height: 1; }
.stat-label { color: var(--text-secondary); font-size: 0.9rem; margin-top: 0.5rem; }
/* Rakam yerine kelime gösteren istatistikler: 3.5rem bunlarda taşıyor */
.stat-word { font-size: clamp(1.35rem, 2.4vw, 1.9rem); line-height: 1.2; text-align: center; }

/* ═══════════ WORKFLOW TIMELINE ═══════════ */
.workflow-timeline {
    position: relative;
    max-width: 700px;
    margin: 0 auto;
}
/* Tek parça, sabit yükseklikli bir çizgi yerine her adıma kendi bağlayıcısı
   verildi: .timeline-step'in 100% yüksekliği o adımın gerçek içerik boyunu
   yansıtır (align-items:flex-start ile satır, en uzun çocuğun boyuna göre
   şekillenir), böylece metin mobilde daha çok satıra sarılınca da çizgi
   otomatik olarak bir sonraki noktanın TAM MERKEZİNDE bitiyor — masaüstünde
   56px, mobilde 44px'lik nokta boyutu farkı da aynı formülle karşılanıyor. */
.timeline-step:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 56px;
    left: 27px;
    width: 2px;
    height: calc(100% + 3rem - 28px);
    background: linear-gradient(to bottom, var(--accent-purple), var(--accent-cyan));
    opacity: 0.3;
    z-index: 0;
}
.timeline-step {
    display: flex;
    gap: 2rem;
    align-items: flex-start;
    margin-bottom: 3rem;
    position: relative;
}
.timeline-step:last-child {
    margin-bottom: 0; /* Son adımın altındaki gereksiz boşluğu siler */
}
.step-indicator { flex-shrink: 0; position: relative; z-index: 1; }
.step-dot {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--bg-main); /* Halkanın içini opak yapar, böylece çizgi içinden geçiyormuş gibi görünmez */
    border: 2px solid var(--accent-purple);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 0.9rem;
    color: var(--accent-purple);
    position: relative;
    z-index: 2;
}
.step-content h3 { font-size: 1.4rem; margin-bottom: 0.5rem; margin-top: 0.5rem; }
.step-content p { color: var(--text-secondary); font-size: 1rem; }

/* ═══════════ CASE STUDIES ═══════════ */
.case-study {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    margin-bottom: 6rem;
    padding: 3rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 28px;
    transition: border-color 0.4s;
}
.case-study:hover { border-color: var(--border-hover); }
.case-study.reverse { direction: rtl; }
.case-study.reverse > * { direction: ltr; }
.case-badge {
    display: inline-block;
    color: var(--accent-cyan);
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 0.75rem;
}
.case-title { font-size: 2rem; margin-bottom: 1.5rem; }
.case-problem, .case-solution {
    margin-bottom: 1rem;
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.7;
}
.case-problem strong, .case-solution strong { color: var(--text-primary); }
.case-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: 1.5rem; }
.case-tags span {
    font-size: 0.8rem;
    padding: 0.3rem 0.75rem;
    border-radius: 6px;
    background: rgba(168, 85, 247, 0.12);
    color: #c4b5fd;
    border: 1px solid rgba(168, 85, 247, 0.2);
    font-weight: 500;
}
.case-visual {
    border-radius: 16px;
    overflow: hidden;
    background: linear-gradient(135deg, rgba(255,255,255,0.02), rgba(255,255,255,0.05));
    border: 1px solid var(--border-color);
}
.case-visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.case-study:hover .case-visual img { transform: scale(1.03); }

/* ═══════════ ABOUT SECTION ═══════════ */
.about-section { padding: 4rem 0; }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }
.about-vision { margin-top: 2rem; padding: 1.5rem; background: var(--bg-card); border-left: 4px solid var(--accent-purple); border-radius: 0 12px 12px 0; }
.about-vision i { font-size: 2rem; margin-bottom: 0.5rem; }
.about-vision p { font-size: 1.1rem; font-style: italic; font-weight: 500; margin: 0; }
.about-visual { position: relative; display: flex; justify-content: center; }
.about-card {
    background: rgba(5, 5, 8, 0.7);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(168, 85, 247, 0.3);
    padding: 3rem;
    border-radius: 50%;
    text-align: center;
    width: 300px;
    height: 300px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 2;
    box-shadow: 0 0 40px rgba(168, 85, 247, 0.15);
}
.about-avatar { font-size: 4rem; color: var(--accent-purple); margin-bottom: 1rem; }
.about-card h3 { font-size: 1.1rem; margin-bottom: 0.5rem; }
.about-card p { font-size: 0.85rem; color: var(--text-secondary); }
.about-glow {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: 350px; height: 350px;
    background: radial-gradient(circle, rgba(168, 85, 247, 0.2), transparent 70%);
    z-index: 1;
    border-radius: 50%;
}

/* ═══════════ TECH STACK SECTION ═══════════ */
.tech-section { padding: 4rem 0; border-top: 1px solid var(--border-color); }
.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1.5rem;
    max-width: 900px;
    margin: 0 auto;
}
.tech-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 2rem 1rem;
    border-radius: 16px;
    text-align: center;
    transition: all 0.3s;
}
.tech-item:hover {
    background: var(--bg-card-hover);
    border-color: var(--accent-cyan);
    transform: translateY(-5px);
}
.tech-item i { font-size: 2.5rem; color: var(--text-primary); margin-bottom: 1rem; transition: color 0.3s; }
.tech-item:hover i { color: var(--accent-cyan); }
.tech-item span { display: block; font-weight: 600; font-size: 0.95rem; }

/* ═══════════ ECOSYSTEM SECTION ═══════════ */
.ecosystem-section { padding: 5rem 0; border-top: 1px solid var(--border-color); }
.eco-flow-container {
    display: flex;
    align-items: stretch;
    justify-content: center;
    gap: 1rem;
    max-width: 1000px;
    margin: 3rem auto 0;
    flex-wrap: nowrap;
}
.eco-col {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex: 1;
}
.eco-nodes {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    flex: 1;
    justify-content: center;
    align-items: center;
    width: 100%;
}
.eco-arrow-col {
    flex: 0 0 auto;
}
.eco-badge {
    font-family: monospace;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--accent-purple);
    background: rgba(168, 85, 247, 0.1);
    border: 1px solid rgba(168, 85, 247, 0.2);
    border-radius: 100px;
    padding: 4px 12px;
    margin-bottom: 1rem;
    white-space: nowrap;
}
.flow-node {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 12px 16px;
    font-size: 0.85rem;
    font-weight: 500;
    text-align: center;
    width: 100%;
    max-width: 200px;
    transition: all 0.3s;
    cursor: default;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}
.flow-node:hover {
    border-color: rgba(168, 85, 247, 0.4);
    box-shadow: 0 5px 15px rgba(168, 85, 247, 0.1);
    transform: translateY(-2px);
}
.flow-node.primary {
    background: linear-gradient(135deg, rgba(168, 85, 247, 0.15), rgba(168, 85, 247, 0.05));
    border-color: rgba(168, 85, 247, 0.3);
    font-weight: 700;
    padding: 16px;
}
.eco-connector {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-purple);
    position: relative;
    width: 60px;
    margin-top: 0;
}
.eco-line {
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, rgba(168,85,247,0.1), rgba(168,85,247,0.8), rgba(168,85,247,0.1));
    position: relative;
}
.eco-line::before {
    content: '';
    position: absolute;
    top: -3px;
    left: 0;
    width: 8px;
    height: 8px;
    background: var(--accent-cyan);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--accent-cyan), 0 0 20px var(--accent-cyan);
    animation: flowDot 2s infinite ease-in-out;
}
.eco-connector i {
    position: absolute;
    right: -10px;
    font-size: 1.2rem;
    color: var(--accent-cyan);
    filter: drop-shadow(0 0 5px var(--accent-cyan));
    animation: pulseArrow 2s infinite ease-in-out;
}
@keyframes flowDot {
    0% { left: 0; opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { left: calc(100% - 8px); opacity: 0; }
}
@keyframes pulseArrow {
    0%, 100% { opacity: 0.5; transform: translateX(0); }
    50% { opacity: 1; transform: translateX(5px); }
}
@media (max-width: 768px) {
    .eco-flow-container { flex-direction: column; align-items: center; gap: 0.5rem; }
    /* transform:rotate() düzen alanını değil yalnızca görseli döndürür —
       eleman hâlâ eski (2px'lik) yüksekliğini kaplıyor sanılıp komşu
       kutulara/metne taşıyordu. height:60px ekleyerek 60px'lik dönmüş
       görselin kapladığı gerçek alan, akışta da ayrılmış oluyor. */
    .eco-connector { margin: 0.5rem 0; transform: rotate(90deg); width: 60px; height: 60px; flex-direction: row; }
    .eco-connector i { right: -12px; }
    .eco-arrow-col { width: 60px; }
}

/* ═══════════ FAQ SECTION ═══════════ */
.faq-section { padding: 4rem 0; border-top: 1px solid var(--border-color); }
.faq-container { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 1rem; }
.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s;
}
.faq-item.active { border-color: rgba(168, 85, 247, 0.4); background: rgba(255,255,255,0.04); }
.faq-question {
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
}
/* Klavyeyle gezenler odağın nerede olduğunu görebilsin */
.faq-question:focus-visible,
.dropbtn:focus-visible {
    outline: 2px solid var(--accent-purple);
    outline-offset: -2px;
    border-radius: 10px;
}
.faq-question h3 { font-size: 1.1rem; margin: 0; font-weight: 600; }
.faq-question i { color: var(--accent-purple); transition: transform 0.3s; }
.faq-item.active .faq-question i { transform: rotate(180deg); }
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
    padding: 0 2rem;
}
.faq-item.active .faq-answer {
    max-height: 600px; /* uzun cevaplar için artırıldı */
    padding: 0 2rem 1.5rem 2rem;
}
.faq-answer p { margin: 0; color: var(--text-secondary); font-size: 0.95rem; }

/* ═══════════ CTA ═══════════ */
.cta-section { padding: 4rem 0 6rem; }
.cta-box {
    position: relative;
    text-align: center;
    padding: 5rem 3rem;
    background: var(--bg-card);
    border: 1px solid rgba(168, 85, 247, 0.2);
    border-radius: 32px;
    overflow: hidden;
}
.cta-glow {
    position: absolute;
    top: -100px;
    left: 50%;
    transform: translateX(-50%);
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(168, 85, 247, 0.15), transparent 70%);
    pointer-events: none;
}
.cta-title { font-size: clamp(2rem, 4vw, 3rem); margin: 1rem 0 1rem; position: relative; }
.cta-desc { color: var(--text-secondary); font-size: 1.15rem; margin-bottom: 2.5rem; max-width: 550px; margin-left: auto; margin-right: auto; position: relative; }

/* ═══════════ FOOTER ═══════════ */
footer {
    padding: 4rem 0 2rem;
    border-top: 1px solid var(--border-color);
    margin-top: 2rem;
}
.footer-grid {
    display: grid;
    /* Yasal sütunu eklendikten sonra 4'e çıkarıldı */
    grid-template-columns: 1.6fr 1fr 1fr 1.3fr;
    gap: 2.5rem;
    margin-bottom: 3rem;
}
@media (max-width: 900px) {
    .footer-grid { grid-template-columns: 1fr 1fr; }
}
.footer-brand p { color: var(--text-secondary); margin-top: 0.75rem; font-size: 0.9rem; }
.footer-nav h4, .footer-contact h4 { font-size: 0.85rem; font-weight: 700; text-transform: uppercase; letter-spacing: 2px; color: var(--text-secondary); margin-bottom: 1rem; }
.footer-nav a, .footer-contact a {
    display: block;
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
    transition: color 0.3s;
}
.footer-nav a:hover, .footer-contact a:hover { color: white; }
.footer-contact i { margin-right: 0.5rem; color: var(--accent-cyan); }
.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 1.5rem;
    text-align: center;
}
.footer-bottom p { color: var(--text-muted); font-size: 0.8rem; }

/* ═══════════ REVEAL ANIMATIONS ═══════════ */
.reveal { opacity: 0; transform: translateY(30px); transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1); }
.reveal.active { opacity: 1; transform: translateY(0); }
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }

/* ═══════════ RESPONSIVE ═══════════ */
@media (max-width: 968px) {
    .nav-links { 
        display: none; 
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(10, 10, 15, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        padding: 2rem;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        gap: 1.5rem;
        box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    }
    .nav-links.active {
        display: flex;
    }
    /* Dokunma hedefi 32x24'tü — parmakla ıskalanıyordu. Çizgiler aynı
       kalıyor, yalnızca tıklanabilir alan 44x44'e çıkarılıyor. */
    .mobile-menu-btn {
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 5px;
        background: none;
        border: none;
        cursor: pointer;
        min-width: 44px;
        min-height: 44px;
        padding: 4px;
        margin-right: -10px;
        z-index: 100;
    }
    .mobile-menu-btn span {
        width: 24px;
        height: 2px;
        background: white;
        border-radius: 4px;
        transition: all 0.3s ease;
    }
    .mobile-menu-btn.active span:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }
    .mobile-menu-btn.active span:nth-child(2) {
        opacity: 0;
    }
    .mobile-menu-btn.active span:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }
    .dropdown-content {
        position: static;
        display: none;
        background: transparent;
        border: none;
        box-shadow: none;
        padding-left: 1rem;
        margin-top: 1rem;
    }
    .dropdown.active .dropdown-content {
        display: flex;
        flex-direction: column;
        gap: 1rem;
    }
    /* Case Studies - tek sütun */
    .case-study, .case-study.reverse {
        grid-template-columns: 1fr;
        gap: 2rem;
        padding: 1.5rem;
        direction: ltr;
    }
    .case-title { font-size: 1.5rem; }
    /* Stats */
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    /* Hero metrics dikey */
    .hero-metrics { flex-direction: column; gap: 1.5rem; }
    .metric-divider { width: 60%; height: 1px; }
    /* Footer tek sütun */
    .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
    /* Başlık boyutları */
    .hero-title { font-size: 2.2rem; }
    .section-title { font-size: 1.8rem; }
    /* About grid - tek sütun */
    .about-grid { grid-template-columns: 1fr; gap: 2rem; }
    .about-visual { order: -1; }
    .about-card {
        width: 220px;
        height: 220px;
        padding: 1.5rem;
        margin: 0 auto;
    }
    .about-avatar { font-size: 2.5rem; }
    .about-card h3 { font-size: 0.95rem; }
    .about-glow { width: 250px; height: 250px; }
    /* Timeline mobile */
    .timeline-step { gap: 1rem; margin-bottom: 2rem; }
    .step-dot { width: 44px; height: 44px; font-size: 0.8rem; }
    /* Bağlayıcı çizgi 56px'lik masaüstü noktasına göre kalibre edilmişti;
       44px'lik mobil noktada aynı formülle (top:44px, left:21px=44/2-1,
       height:100%+3rem-22px) yeniden hesaplanıyor. */
    .timeline-step:not(:last-child)::after { top: 44px; left: 21px; height: calc(100% + 3rem - 22px); }
    .step-content h3 { font-size: 1.2rem; }
    /* Section padding */
    .hero-section { padding: 8rem 1rem 4rem; }
    .problem-section, .workflow-section, .projects-section,
    .use-cases-section, .demo-section-wrapper, .tech-section,
    .ecosystem-section, .faq-section, .cta-section { padding: 3rem 0; }
    /* CTA box */
    .cta-box { padding: 3rem 1.5rem; }
    /* Demo container */
    .demo-container { padding: 1.5rem; }
    /* Tech grid minimum size düşür */
    .tech-grid { grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 1rem; }
    .tech-item { padding: 1.2rem 0.75rem; }
    .tech-item i { font-size: 1.8rem; }
}

/* ==================================================
   LIVE DEMO SECTION (CUDZY AI)
   ================================================== */
.demo-section-wrapper {
    padding: 5rem 0;
    position: relative;
}
.demo-container {
    width: 100%;
    max-width: 800px;
    min-height: 450px;
    margin: 3rem auto 0;
    padding: 3rem;
    position: relative;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 24px;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.4);
}

.demo-step {
    transition: all 0.5s ease-in-out;
    position: absolute;
    top: 3rem; left: 3rem; right: 3rem;
    opacity: 0;
    transform: translateX(30px);
    pointer-events: none;
}
.demo-step.active {
    opacity: 1;
    transform: translateX(0);
    pointer-events: all;
    position: relative;
    top: 0; left: 0; right: 0;
}
.demo-step.hidden {
    display: none;
}

.step-header { margin-bottom: 2rem; }
.step-badge {
    background: rgba(255,255,255,0.1);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1rem;
    display: inline-block;
    color: white;
}
.step-badge.success {
    background: rgba(0, 230, 118, 0.2);
    color: #00e676;
}

/* Mock Table */
.mock-sheet {
    background: rgba(0,0,0,0.4);
    border-radius: 12px;
    padding: 1.5rem;
    margin: 2rem 0;
    border: 1px solid rgba(255,255,255,0.05);
}
.mock-sheet table {
    width: 100%;
    border-collapse: collapse;
}
.mock-sheet th {
    text-align: left;
    color: #a0a0b0;
    padding-bottom: 12px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}
.mock-sheet td {
    padding: 12px 0;
    font-size: 1rem;
    color: white;
}

/* Buttons inside Demo */
.demo-container .btn-action {
    background: linear-gradient(135deg, #00d2ff, #3a7bd5);
    color: white;
    border: none;
    padding: 14px 28px;
    border-radius: 10px;
    font-weight: 600;
    cursor: pointer;
    font-size: 1.1rem;
    width: 100%;
    transition: transform 0.2s, box-shadow 0.2s;
}
.demo-container .btn-action:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 210, 255, 0.4);
}
.demo-container .btn-secondary {
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    color: white;
    padding: 12px 24px;
    border-radius: 10px;
    cursor: pointer;
    transition: 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    flex: 1;
    font-size: 1rem;
}
.demo-container .btn-secondary:hover {
    background: rgba(255,255,255,0.15);
}
.demo-container .action-buttons {
    display: flex;
    gap: 1.5rem;
    margin-top: 2rem;
}
.demo-container .btn-text {
    background: none;
    border: none;
    color: #a0a0b0;
    cursor: pointer;
    margin-top: 1.5rem;
    font-size: 0.95rem;
    text-decoration: underline;
    display: block;
    width: 100%;
    text-align: center;
}

/* Spinner */
.processing-animation {
    text-align: center;
    padding: 4rem 0;
}
.demo-container .spinner {
    width: 60px;
    height: 60px;
    border: 4px solid rgba(255,255,255,0.1);
    border-top-color: #00d2ff;
    border-radius: 50%;
    animation: spin 1s infinite linear;
    margin: 0 auto 2rem;
}
@keyframes spin { 100% { transform: rotate(360deg); } }

/* Report Preview */
.report-preview {
    background: white;
    color: #111;
    border-radius: 16px;
    padding: 2rem;
    margin: 2rem 0;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}
.report-header {
    border-bottom: 2px solid #eee;
    padding-bottom: 1.5rem;
    margin-bottom: 1.5rem;
}
.report-header h3 {
    font-size: 1.4rem;
    margin-bottom: 5px;
    color: #333;
}
.report-header p {
    color: #666;
    font-size: 0.9rem;
}
.report-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
    border-bottom: 1px solid #f5f5f5;
}
.item-name {
    font-weight: 600;
    font-size: 1.1rem;
    color: #111;
}
.demo-container .badge {
    padding: 6px 12px;
    border-radius: 8px;
    font-size: 0.8rem;
    font-weight: 800;
}
.demo-container .badge.danger { background: #ffebee; color: #c62828; }
.demo-container .badge.success { background: #e8f5e9; color: #2e7d32; }

/* ═══════════ USE CASES SECTION ═══════════ */
.use-cases-section {
    padding: 6rem 0;
    position: relative;
    z-index: 2;
}
.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}
.use-case-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 2rem;
    transition: all 0.3s ease;
}
.use-case-card:hover {
    border-color: rgba(168, 85, 247, 0.4);
    box-shadow: 0 10px 30px rgba(168, 85, 247, 0.1);
    transform: translateY(-5px);
}
.uc-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
}
.uc-icon {
    font-size: 1.5rem;
    color: var(--accent-purple);
    background: rgba(168, 85, 247, 0.1);
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    flex-shrink: 0;
}
.uc-industry {
    font-size: 1.25rem;
    font-weight: 700;
    color: white;
}
.uc-comparison {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}
.uc-label {
    display: inline-block;
    padding: 0.3rem 0.8rem;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.8rem;
}
.uc-label.danger { background: rgba(239, 68, 68, 0.15); color: #f87171; border: 1px solid rgba(239, 68, 68, 0.3); }
.uc-label.success { background: rgba(16, 185, 129, 0.15); color: #34d399; border: 1px solid rgba(16, 185, 129, 0.3); }
.uc-divider {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
}
.uc-before p, .uc-after p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
}
.uc-after p {
    color: var(--text-primary);
}
.uc-before strong, .uc-after strong {
    color: white;
    margin: 0 4px;
}

@media (max-width: 768px) {
    .use-cases-grid {
        grid-template-columns: 1fr;
    }
    .demo-container {
        padding: 2rem 1.5rem;
    }
    .demo-step {
        top: 2rem; left: 1.5rem; right: 1.5rem;
    }
    .demo-container .action-buttons {
        flex-direction: column;
    }
}

/* ═══════════ PROOF SECTION (bu site kendisi) ═══════════ */
.proof-section {
    padding: 6rem 0;
    position: relative;
    z-index: 2;
}
.proof-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 3rem;
    align-items: center;
    max-width: 1100px;
    margin: 0 auto;
}
.proof-copy .section-title { text-align: left; }
.proof-copy .section-desc { text-align: left; margin: 1rem 0 0; max-width: 560px; }
.proof-copy .svc-scope { margin-top: 1.75rem; }
.proof-actions { margin-top: 2rem; justify-content: flex-start; }
.proof-panel {
    padding: 2.5rem 2rem;
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(168, 85, 247, 0.25);
    border-radius: var(--radius);
    text-align: center;
}
.proof-panel-head {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--text-primary);
    margin-bottom: 1.25rem;
}
.proof-panel-head .icon-wrap { color: var(--accent-cyan); }
.proof-panel-text {
    color: var(--text-secondary);
    line-height: 1.7;
    margin: 0 0 1.5rem;
}
.proof-panel-tag {
    display: inline-block;
    padding: 0.4rem 0.9rem;
    border: 1px solid var(--border-color);
    border-radius: 999px;
    font-size: 0.8rem;
    color: var(--accent-cyan);
    letter-spacing: 0.02em;
}
@media (max-width: 860px) {
    .proof-grid { grid-template-columns: 1fr; gap: 2rem; }
    .proof-copy .section-title, .proof-copy .section-desc { text-align: center; margin-left: auto; margin-right: auto; }
    .proof-actions { justify-content: center; }
}

/* ═══════════ SCROLL BUTTONS ═══════════ */
.scroll-buttons {
    position: fixed;
    bottom: 30px;
    right: 30px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s ease;
    z-index: 999;
}
.scroll-buttons.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.scroll-btn {
    width: 50px;
    height: 50px;
    background: var(--accent-purple);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    text-decoration: none;
    box-shadow: 0 4px 15px rgba(168, 85, 247, 0.4);
    transition: all 0.3s ease;
}
.scroll-btn:hover {
    background: var(--accent-cyan);
    color: var(--bg-dark);
    transform: translateY(-5px);
}

/* ===== MOBİL PERFORMANS OPTİMİZASYONU ===== */
@media (max-width: 768px) {
    /* Ağır animasyonları kapat */
    .ambient-bg,
    .noise-overlay {
        display: none;
    }
    /* Glassmorphism blur'ü hafiflet (GPU yükünü azaltır) */
    .navbar,
    .card,
    .glass-card,
    .service-card,
    .project-card,
    .faq-item,
    .scenario-card {
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
    }
    /* will-change temizle */
    * {
        will-change: auto !important;
    }
}

/* Açılır menünün son maddesi: diğerlerinden ayrılsın */
.dropdown-content .dd-all {
    margin-top: 0.35rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border-color);
    color: var(--accent-cyan);
    font-weight: 700;
}
.dropdown-content .dd-all i { color: var(--accent-cyan) !important; }

/* ═══════════ HİZMET (TEKLİF) SAYFALARI ═══════════ */
.svc-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    margin-top: 1.75rem;
}
.svc-bar span {
    padding: 0.4rem 0.9rem;
    border-radius: 50px;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text-secondary);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
}
/* Numaralandırma gerçek bir sırayı temsil ediyor: kapsam → süreç → hariç → SSS */
.svc-no {
    display: inline-block;
    margin-right: 0.6rem;
    font-size: 0.75em;
    font-weight: 800;
    color: var(--accent-purple);
    vertical-align: 0.15em;
}
.svc-scope, .svc-excluded { list-style: none; padding: 0; margin: 1.5rem 0 0; }
.svc-scope li, .svc-excluded li {
    position: relative;
    padding-left: 1.75rem;
    margin-bottom: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.7;
}
.svc-scope li::before {
    content: "";
    position: absolute;
    left: 2px;
    top: 0.45em;
    width: 6px;
    height: 11px;
    border: solid #34d399;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}
.svc-excluded li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.75em;
    width: 12px;
    height: 2px;
    border-radius: 2px;
    background: #7dd3fc;
}

.svc-steps { display: flex; flex-direction: column; gap: 1rem; margin-top: 1.5rem; }
.svc-step {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.4rem 1.6rem;
}
.svc-step-head {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 0.5rem;
}
.svc-step-no {
    font-size: 0.8rem;
    font-weight: 800;
    color: var(--accent-purple);
    font-variant-numeric: tabular-nums;
}
.svc-step-head h3 { font-size: 1.02rem; margin: 0; }
.svc-step p { margin: 0; color: var(--text-secondary); font-size: 0.92rem; line-height: 1.7; }
.guide .edge-block { margin: 0 0 3rem; }

/* ═══════════ SÜREÇ ADIMI SÜRELERİ ═══════════ */
.step-time {
    display: inline-block;
    margin-left: 0.7rem;
    padding: 0.2rem 0.65rem;
    border-radius: 50px;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.03em;
    color: var(--accent-cyan);
    background: rgba(6, 182, 212, 0.12);
    vertical-align: middle;
}

/* ═══════════ PAKETLER / TEKLİF ═══════════ */
.pkg-section { padding: 5rem 0; }
/* 3 paket kartı — problem-grid ile aynı gerekçe: ara boyutta 2 sütuna düşüp
   üçüncü paketi yalnız bırakıyordu. */
.pkg-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    max-width: 1080px;
    margin: 3rem auto 0;
    align-items: start;
}
@media (max-width: 980px) {
    .pkg-grid { grid-template-columns: 1fr; }
}
.pkg-card {
    position: relative;
    display: flex;
    flex-direction: column;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 2rem 1.75rem;
    height: 100%;
}
.pkg-featured {
    border-color: rgba(168, 85, 247, 0.4);
    background: rgba(168, 85, 247, 0.05);
}
.pkg-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    padding: 0.3rem 0.9rem;
    border-radius: 50px;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: #fff;
    background: var(--accent-purple);
    white-space: nowrap;
}
.pkg-name {
    display: block;
    font-size: 1.25rem;
    font-weight: 800;
    margin-bottom: 0.4rem;
}
.pkg-for {
    color: var(--text-secondary);
    font-size: 0.85rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
    min-height: 2.7em;
}
.pkg-price { display: flex; align-items: baseline; flex-wrap: wrap; gap: 0.5rem; }
.pkg-amount { font-size: 1.5rem; font-weight: 800; color: var(--text-primary); }
.pkg-unit { font-size: 0.78rem; color: var(--text-muted); }
.pkg-dur {
    font-size: 0.8rem;
    color: var(--accent-cyan);
    margin: 0.5rem 0 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}
.pkg-list { list-style: none; padding: 0; margin: 0 0 1.75rem; flex: 1; }
.pkg-list li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.7rem;
    font-size: 0.88rem;
    line-height: 1.6;
    color: var(--text-secondary);
}
/* Onay işareti: ikon sprite'ına bağımlı olmasın diye saf CSS */
.pkg-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.42em;
    width: 6px;
    height: 10px;
    border: solid #34d399;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}
.pkg-cta { width: 100%; justify-content: center; margin-top: auto; }

/* Keşif kartı: ücretsiz teklif öne çıksın */
.pkg-free { border-color: rgba(52, 211, 153, 0.35); }
.pkg-badge-free { background: #34d399; color: #05261a; }
.pkg-free .pkg-amount { color: #34d399; }

/* Fiyat listesi olmamasının gerekçesi — sayı yerine şeffaflık */
.price-how {
    max-width: 780px;
    margin: 3rem auto 0;
    padding: 2rem 2.25rem;
    background: var(--bg-card);
    border-left: 4px solid var(--accent-cyan);
    border-radius: 0 16px 16px 0;
}
.price-how h3 { font-size: 1.05rem; margin-bottom: 1rem; }
.price-how p { color: var(--text-secondary); line-height: 1.8; margin-bottom: 1rem; }
.price-how p:last-child { margin-bottom: 0; }
.price-how strong { color: var(--text-primary); }
.price-how-note {
    font-size: 0.88rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted) !important;
}

.pkg-terms {
    max-width: 1080px;
    margin: 3rem auto 0;
    padding: 2rem 2.25rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
}
.pkg-terms h3 {
    font-size: 0.78rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}
.terms-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
}
.terms-grid > div { display: flex; flex-direction: column; gap: 0.3rem; }
.terms-grid strong { font-size: 0.85rem; color: var(--text-primary); }
.terms-grid span { font-size: 0.85rem; line-height: 1.6; color: var(--text-secondary); }
.terms-grid a { color: var(--accent-cyan); }

/* ═══════════ PORTRE & LINKEDIN ═══════════ */
.about-photo {
    width: 130px;
    height: 130px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 1.1rem;
    border: 2px solid rgba(168, 85, 247, 0.35);
}
.about-card h3 { font-size: 1.2rem; margin-bottom: 0.25rem; }
.about-linkedin {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    margin-top: 0.9rem;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--accent-cyan);
    transition: color 0.2s;
}
.about-linkedin:hover { color: #67e8f9; }

/* ═══════════ GÜVEN / RİSK DEVRALMA ═══════════ */
.trust-section { padding: 5rem 0; }
.trust-grid {
    display: grid;
    /* Sabit 2x2: auto-fit ile 4. kart tek başına alt satırda yalnız kalıyordu */
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    max-width: 900px;
    margin: 3rem auto 0;
}
.trust-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 2rem 1.75rem;
    transition: border-color 0.3s, transform 0.3s, background 0.3s;
}
.trust-card:hover {
    border-color: var(--border-hover);
    background: var(--bg-card-hover);
    transform: translateY(-4px);
}
/* Ticari teklif kartı öne çıksın */
.trust-card.trust-offer { border-color: rgba(6, 182, 212, 0.32); }
.trust-icon {
    width: 46px;
    height: 46px;
    border-radius: 12px;
    background: rgba(168, 85, 247, 0.1);
    color: var(--accent-purple);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.15rem;
    margin-bottom: 1.25rem;
}
.trust-offer .trust-icon { background: rgba(6, 182, 212, 0.12); color: var(--accent-cyan); }
.trust-card h3 { font-size: 1.1rem; margin-bottom: 0.6rem; }
.trust-card p { color: var(--text-secondary); font-size: 0.92rem; line-height: 1.75; margin: 0; }

.trust-verify {
    max-width: 760px;
    margin: 3rem auto 0;
    padding: 2rem 2.25rem;
    background: var(--bg-card);
    border-left: 4px solid var(--accent-cyan);
    border-radius: 0 16px 16px 0;
}
.trust-verify h3 { font-size: 1.05rem; margin-bottom: 0.4rem; }
.trust-verify > p { color: var(--text-muted); font-size: 0.88rem; margin-bottom: 1.1rem; }
.trust-verify ul { margin: 0; padding-left: 1.2rem; }
.trust-verify li {
    color: var(--text-secondary);
    font-size: 0.92rem;
    line-height: 1.75;
    margin-bottom: 0.7rem;
}
.trust-verify li:last-child { margin-bottom: 0; }
.trust-verify li::marker { color: var(--accent-cyan); }
.trust-verify a { color: var(--accent-cyan); font-weight: 600; }
.trust-verify a:hover { text-decoration: underline; }

/* ═══════════ ANA SAYFA → DETAY BAĞLANTILARI ═══════════ */
.case-link {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    margin-top: 1.5rem;
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--accent-cyan);
    transition: gap 0.25s ease, color 0.25s ease;
}
.case-link:hover { gap: 0.8rem; color: #67e8f9; }
.case-link i { font-size: 0.8rem; }

.projects-more {
    text-align: center;
    max-width: 620px;
    margin: 1rem auto 0;
    padding-top: 3rem;
    border-top: 1px solid var(--border-color);
}
.projects-more p { color: var(--text-secondary); margin-bottom: 1.5rem; line-height: 1.75; }

/* ═══════════ PROJE SAYFASI BİLEŞENLERİ ═══════════ */
/* Mimari şema: ekran görüntüsü yerine sistemin gerçek kurgusunu gösterir,
   her ölçekte net kalır ve tema renklerini takip eder. */
/* Diyagram 680px sabit genişlikte; dar ekranda yatay kaydırılıyor. Kaydırma
   çalışıyordu ama görsel ipucu yoktu — kullanıcı sağda içerik olduğunu fark
   etmiyordu. Aşağıdaki gradyanlar yalnızca kaydırılacak alan varken görünür:
   `local` katmanlar içerikle birlikte kayıp kaybolur, `scroll` katmanlar
   kenarda sabit durur. Tamamen CSS, JS gerekmiyor. */
.diagram {
    overflow-x: auto;
    margin: 0 0 3rem;
    padding: 1rem 0;
    background:
        linear-gradient(to right, var(--bg-card) 20%, rgba(10, 10, 15, 0)) left center,
        linear-gradient(to left, var(--bg-card) 20%, rgba(10, 10, 15, 0)) right center,
        radial-gradient(farthest-side at 0 50%, rgba(6, 182, 212, 0.28), rgba(6, 182, 212, 0)) left center,
        radial-gradient(farthest-side at 100% 50%, rgba(6, 182, 212, 0.28), rgba(6, 182, 212, 0)) right center,
        var(--bg-card);
    background-repeat: no-repeat;
    background-size: 48px 100%, 48px 100%, 16px 100%, 16px 100%, auto;
    background-attachment: local, local, scroll, scroll, local;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
}
.diagram svg { display: block; min-width: 680px; width: 100%; height: auto; }
.diagram .fl-t { fill: var(--text-primary); font-size: 13px; font-weight: 700; font-family: var(--font); }
.diagram .fl-s { fill: var(--text-secondary); font-size: 10.5px; font-family: var(--font); }
.diagram .fl-c { fill: var(--text-muted); font-size: 11.5px; font-style: italic; font-family: var(--font); }

/* ── Dikey akış ve kıyas görselleri ──────────────────────────────────────
   Yatay .diagram dar ekranda sıkışıp okunmaz hâle geliyordu. Bunlar tam
   genişlikte akar, kaydırma gerektirmez, her ölçekte net kalır. */
/* Referans sayfası — müşteri künyesi */
.musteri-satir {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.6rem 0.9rem;
    margin: 1.5rem 0 0;
    padding: 0.9rem 1.1rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-left: 3px solid var(--accent-cyan);
    border-radius: 12px;
}
.musteri-etiket {
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-muted);
}
.musteri-ad { font-weight: 700; color: var(--text-primary); font-size: 0.98rem; }
.musteri-ig {
    color: var(--accent-cyan);
    font-size: 0.92rem;
    font-weight: 600;
    text-decoration: none;
    border-bottom: 1px solid rgba(6, 182, 212, 0.35);
    padding-bottom: 1px;
    transition: border-color 0.2s, opacity 0.2s;
}
.musteri-ig:hover { border-bottom-color: var(--accent-cyan); }
.musteri-ig:active { opacity: 0.7; }
.musteri-durum {
    margin-left: auto;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--accent-cyan);
    padding: 0.25rem 0.7rem;
    border: 1px solid rgba(6, 182, 212, 0.3);
    border-radius: 999px;
}
@media (max-width: 560px) {
    .musteri-durum { margin-left: 0; }
}

.akis {
    margin: 2rem 0 3rem;
    padding: 1.5rem 1.25rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
}
.akis svg { display: block; width: 100%; height: auto; }
.akis .ak-no { fill: var(--accent-cyan); font-size: 22px; font-weight: 800; font-family: var(--font); }
.akis .ak-t  { fill: var(--text-primary); font-size: 21px; font-weight: 700; font-family: var(--font); }
.akis .ak-s  { fill: var(--text-secondary); font-size: 15px; font-family: var(--font); }
.akis .ak-c  { fill: var(--text-muted); font-size: 15px; font-style: italic; font-family: var(--font); }
.akis .ky-b  { fill: var(--text-primary); font-size: 19px; font-weight: 700; font-family: var(--font); }
.akis .ky-e  { fill: var(--text-primary); font-size: 19px; font-weight: 700; font-family: var(--font); }
.akis .ky-a  { fill: var(--text-muted); font-size: 14px; font-family: var(--font); }
.akis .ky-v  { fill: var(--text-primary); font-size: 20px; font-weight: 800; font-family: var(--font); }
.akis .ky-l  { fill: var(--text-muted); font-size: 13px; letter-spacing: 0.08em; font-family: var(--font); }
.akis .ky-s  { fill: var(--text-secondary); font-size: 14px; font-family: var(--font); }
@media (max-width: 600px) {
    .akis { padding: 1.1rem 0.85rem; }
}

.fact-row {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.5rem 3rem;
    margin: 2rem 0 1.5rem;
    padding: 1.5rem 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}
.fact { display: flex; flex-direction: column; align-items: center; gap: 0.15rem; text-align: center; }
.fact-v { font-size: 1.4rem; font-weight: 800; color: var(--text-primary); font-variant-numeric: tabular-nums; }
.fact-l { font-size: 0.78rem; color: var(--text-muted); }

/* Künye/rakam şeridi taşıyan sayfalarda (proje ve referans) başlık bloğu
   ortalanıyor. :has() ile sınırlandırıldı; rehber ve yasal sayfalar sola
   hizalı kalır, uzun metinde ortalama okunurluğu düşürür. */
.guide-header:has(.fact-row) { text-align: center; }
.guide-header:has(.fact-row) .guide-lede { margin-left: auto; margin-right: auto; max-width: 60ch; }
.guide-header:has(.fact-row) .stack-row,
.guide-header:has(.fact-row) .guide-meta { justify-content: center; }
/* Künye şeridi sola hizalı kalır — ortalanınca etiket/ad/durum ilişkisi dağılıyor. */
.guide-header:has(.fact-row) .musteri-satir { justify-content: flex-start; text-align: left; }

.stack-row { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.stack-row span {
    font-size: 0.78rem;
    padding: 0.28rem 0.7rem;
    border-radius: 6px;
    background: rgba(168, 85, 247, 0.1);
    color: #c4b5fd;
    border: 1px solid rgba(168, 85, 247, 0.2);
    font-weight: 500;
}
.card-stack { display: block; margin-top: 0.75rem; font-size: 0.75rem; color: var(--text-muted); }
.guide-card .guide-card-meta:first-child {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--accent-cyan);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.07em;
    text-transform: uppercase;
}

/* ═══════════ ŞEFFAFLIK / KAPSAM ═══════════ */
.scope-section { padding: 5rem 0; }
.scope-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    max-width: 1000px;
    margin: 3rem auto 0;
    align-items: start;
}
.scope-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 2rem;
}
.scope-in { border-color: rgba(52, 211, 153, 0.25); }
.scope-out { border-color: rgba(249, 115, 22, 0.25); }
.scope-head { margin-bottom: 1.25rem; }
.scope-head h3 { font-size: 1.1rem; margin: 0.75rem 0 0; }
.scope-badge {
    display: inline-block;
    padding: 0.3rem 0.8rem;
    border-radius: 50px;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}
.scope-badge.success { color: #34d399; background: rgba(52, 211, 153, 0.12); }
.scope-badge.danger { color: var(--accent-orange); background: rgba(249, 115, 22, 0.12); }
/* "Ayrı planlanır" bir uyarı değil bilgilendirme — mavi, turuncudan daha doğru ton */
.scope-badge.neutral { color: #7dd3fc; background: rgba(59, 130, 246, 0.12); }
.scope-out { border-color: rgba(59, 130, 246, 0.22); }
.scope-out li::marker { color: #7dd3fc; }
.scope-card em { color: var(--accent-cyan); font-style: normal; font-weight: 600; }
.scope-card ul { margin: 0; padding-left: 1.2rem; }
.scope-card li {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 0.8rem;
    font-size: 0.92rem;
}
.scope-card li:last-child { margin-bottom: 0; }
.scope-in li::marker { color: #34d399; }
.scope-out li::marker { color: var(--accent-orange); }
.scope-card strong { color: var(--text-primary); }
.scope-note {
    max-width: 720px;
    margin: 2rem auto 0;
    text-align: center;
    font-size: 0.85rem;
    line-height: 1.7;
    color: var(--text-muted);
}

/* ═══════════ FARK İDDİASI ═══════════ */
.edge-block {
    margin-top: 1.5rem;
    padding: 1.5rem 1.75rem;
    background: rgba(6, 182, 212, 0.06);
    border: 1px solid rgba(6, 182, 212, 0.22);
    border-radius: 16px;
}
.edge-label {
    display: block;
    margin-bottom: 0.6rem;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--accent-cyan);
}
.edge-block p { margin: 0; line-height: 1.75; color: var(--text-primary); }
/* Hizmet sayfalarındaki teknik ön koşul notu. "Dikkat ettiğim nokta"
   bloğundan ayrışsın diye kasıtlı olarak farklı (nötr/amber) tonda. */
.svc-note {
    margin: 0 0 3rem;
    padding: 1.35rem 1.6rem;
    background: rgba(251, 191, 36, 0.05);
    border: 1px solid rgba(251, 191, 36, 0.2);
    border-radius: 16px;
}
.svc-note-label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: #fbbf24;
}
.svc-note p {
    margin: 0;
    line-height: 1.75;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

/* ═══════════ FORM EKLERİ ═══════════ */
.form-field-head { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; }
.char-count { font-size: 0.75rem; color: var(--text-muted); font-variant-numeric: tabular-nums; }
.char-count.near-limit { color: var(--accent-orange); }
.form-field select {
    width: 100%;
    padding: 0.9rem 1.1rem;
    font-family: inherit;
    font-size: 0.95rem;
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
}
.form-field select:focus {
    outline: none;
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--accent-purple);
    box-shadow: 0 0 0 3px rgba(168, 85, 247, 0.15);
}
.form-field select option { background: var(--bg-main); color: var(--text-primary); }
.form-consent a { color: var(--accent-cyan); }

.prep-list {
    margin-top: 2.5rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    text-align: left;
}
.prep-list h3 { font-size: 1rem; margin: 0 0 0.5rem; }
.prep-list > p { font-size: 0.85rem; color: var(--text-muted); margin: 0 0 1rem; }
.prep-list ul { margin: 0; padding-left: 1.2rem; }
.prep-list li {
    font-size: 0.88rem;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: 0.6rem;
}
.prep-list li::marker { color: var(--accent-cyan); }
.prep-list strong { color: var(--text-primary); }

/* ═══════════ DOLDURULACAK ALAN İŞARETİ ═══════════ */
/* Yayına almadan önce bu işaretlerin hiçbiri kalmamalı. */
.fill-me {
    background: rgba(249, 115, 22, 0.18);
    color: var(--accent-orange);
    padding: 0.1em 0.4em;
    border-radius: 4px;
    font-size: 0.9em;
    font-weight: 600;
}
.footer-corp { margin: 1rem 0 0; display: flex; flex-direction: column; gap: 0.4rem; }
.corp-row { font-size: 0.82rem; color: var(--text-muted); line-height: 1.5; }
.corp-row strong { color: var(--text-secondary); }
.legal-updated { font-size: 0.82rem; color: var(--text-muted); margin: 1rem 0 0; }

@media (max-width: 860px) {
    .scope-grid { grid-template-columns: 1fr; }
    .trust-grid { grid-template-columns: 1fr; }
}

/* ═══════════ REHBER SAYFALARI ═══════════ */
.guide { padding: 7rem 0 4rem; }
.guide-container { max-width: 780px; }

.breadcrumb { margin-bottom: 2.5rem; font-size: 0.82rem; }
.breadcrumb ol { list-style: none; display: flex; flex-wrap: wrap; align-items: center; gap: 0.4rem; padding: 0; margin: 0; }
.breadcrumb li { display: inline-flex; align-items: center; gap: 0.4rem; color: var(--text-muted); }
.breadcrumb a { color: var(--text-secondary); text-decoration: none; transition: color 0.2s; }
.breadcrumb a:hover { color: var(--accent-cyan); }
.breadcrumb i { font-size: 0.7rem; color: var(--text-muted); }

.guide-header { margin-bottom: 3rem; }
.guide-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.25rem;
    font-size: 0.82rem;
    color: var(--text-muted);
}
.guide-header h1 {
    font-size: clamp(2rem, 4.5vw, 3rem);
    line-height: 1.15;
    margin: 0 0 1.25rem;
}
.guide-lede { font-size: 1.15rem; line-height: 1.7; color: var(--text-secondary); margin: 0; }

.guide-toc {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.5rem 1.75rem;
    margin-bottom: 3rem;
}
.guide-toc h2 {
    font-size: 0.78rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin: 0 0 0.9rem;
}
.guide-toc ol { margin: 0; padding-left: 1.2rem; }
.guide-toc li { margin-bottom: 0.5rem; }
.guide-toc li:last-child { margin-bottom: 0; }
/* İçindekiler bağlantıları --text-secondary ile 4.83 kontrasta düşüyordu;
   bağlantı metni için yetersiz. Ana metin rengine çekildi. */
.guide-toc a { color: var(--text-primary); text-decoration: none; font-size: 0.95rem;
    opacity: 0.88; transition: opacity 0.2s, color 0.2s; }
.guide-toc a:hover { color: var(--accent-cyan); opacity: 1; }

.guide-block { margin-bottom: 3rem; scroll-margin-top: 100px; }
.guide-block h2 {
    font-size: clamp(1.4rem, 2.6vw, 1.85rem);
    line-height: 1.3;
    margin: 0 0 1.25rem;
}
.guide-block h3 {
    font-size: 1.1rem;
    margin: 2rem 0 0.75rem;
    color: var(--text-primary);
}
.guide-block p { color: var(--text-secondary); line-height: 1.85; margin: 0 0 1.35rem; }
/* Vurgulu kelimeler hem daha parlak hem daha kalın olduğu için komşu
   kelimelere yapışık duruyordu; ince bir nefes payı ekleniyor. */
.guide-block strong { color: var(--text-primary); font-weight: 650;
    padding: 0 0.07em; letter-spacing: 0.005em; }
.guide-block ul,
.guide-block ol { color: var(--text-secondary); line-height: 1.8; padding-left: 1.4rem; margin: 0 0 1.25rem; }
.guide-block li { margin-bottom: 0.6rem; }
.guide-block li::marker { color: var(--accent-purple); }

.guide-formula {
    background: rgba(168, 85, 247, 0.08);
    border: 1px solid rgba(168, 85, 247, 0.25);
    border-radius: 12px;
    padding: 1.1rem 1.35rem;
    margin: 0 0 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    text-align: center;
}

.guide-takeaway {
    background: var(--bg-card);
    border-left: 4px solid var(--accent-cyan);
    border-radius: 0 16px 16px 0;
    padding: 1.5rem 1.75rem;
    margin-bottom: 3rem;
}
.guide-takeaway h2 {
    font-size: 0.78rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--accent-cyan);
    margin: 0 0 0.7rem;
}
.guide-takeaway p { margin: 0; color: var(--text-primary); line-height: 1.75; }

.guide-cta {
    text-align: center;
    background: var(--bg-card);
    border: 1px solid rgba(168, 85, 247, 0.2);
    border-radius: 24px;
    padding: 2.75rem 2rem;
    margin-bottom: 3rem;
}
/* Kart ızgarasının hemen ardından CTA kutusu geldiğinde grid'in kendi
   margin'i olmadığı için dibine yapışıyordu — tüm hub sayfalarında (hizmet,
   proje, araçlar, rehber) aynı sorun vardı. */
.guide-cards + .guide-cta { margin-top: 3.5rem; }
/* .guide-cards konteyneri 780px'i aşmadığı ve minmax 260px olduğu için her
   zaman 2 sütun; kart sayısı tek olduğunda sonuncusu satırı doldurur ki
   boşta asılı kalmasın. */
.guide-cards > :last-child:nth-child(odd) { grid-column: 1 / -1; }

.guide-cta h2 { font-size: clamp(1.3rem, 2.6vw, 1.7rem); margin: 0 0 0.75rem; }
.guide-cta p { color: var(--text-secondary); margin: 0 0 1.75rem; }
.guide-cta-actions { display: flex; flex-wrap: wrap; gap: 1rem; justify-content: center; }

.guide-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1.25rem; }
.guide-card {
    display: block;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.5rem;
    text-decoration: none;
    transition: border-color 0.3s, transform 0.3s, background 0.3s;
}
.guide-card:hover {
    border-color: rgba(168, 85, 247, 0.4);
    background: var(--bg-card-hover);
    transform: translateY(-4px);
}
.guide-card h3 { font-size: 1.05rem; line-height: 1.4; margin: 0 0 0.6rem; color: var(--text-primary); }
.guide-card p { font-size: 0.88rem; line-height: 1.65; color: var(--text-secondary); margin: 0 0 1rem; }
.guide-card-meta { font-size: 0.78rem; color: var(--text-muted); }

@media (max-width: 768px) {
    .guide { padding: 6rem 0 3rem; }
    .guide-cta { padding: 2rem 1.25rem; }
    .guide-cta-actions .btn { width: 100%; justify-content: center; }
}

/* ═══════════ DEMO NOTU & YAZDIRMA ═══════════ */
.demo-note {
    max-width: 640px;
    margin: 1rem auto 0;
    padding: 0.9rem 1.2rem;
    font-size: 0.85rem;
    line-height: 1.6;
    color: var(--text-secondary);
    background: rgba(249, 115, 22, 0.07);
    border: 1px solid rgba(249, 115, 22, 0.25);
    border-radius: 12px;
}
.demo-note strong { color: var(--accent-orange); }

/* "Yazdır / PDF Kaydet" yalnızca rapor kartını bassın */
@media print {
    body.printing-report * { visibility: hidden; }
    body.printing-report .report-preview,
    body.printing-report .report-preview * { visibility: visible; }
    body.printing-report .report-preview {
        position: absolute;
        left: 0;
        top: 0;
        width: 100%;
        background: #fff;
        color: #111;
    }
}

/* ═══════════ TASARRUF HESAPLAYICI ═══════════ */
.calc-section { padding: 5rem 0; }
/* Masaüstünde girdi+sonuç iki sütun yan yana zaten görünür durumda,
   bu şeride gerek yok. Mobilde tek sütuna düştüğünde devreye giriyor
   (bkz. @media (max-width: 860px) altındaki .calc-sticky kuralı). */
.calc-sticky { display: none; }
.calc-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: start;
    max-width: 1000px;
    margin: 3rem auto 0;
}
.calc-inputs,
.calc-results {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 2rem;
}
.calc-results {
    border-color: rgba(168, 85, 247, 0.25);
    display: flex;
    flex-direction: column;
}

.calc-field { margin-bottom: 1.75rem; }
.calc-field:last-child { margin-bottom: 0; }
.calc-field-head {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 1rem;
    margin-bottom: 0.75rem;
}
.calc-field label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
}
.calc-field output {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--accent-cyan);
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
}

/* Kaydırıcılar: tarayıcı varsayılanı marka rengiyle uyumsuz kalıyordu */
.calc-field input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: rgba(255, 255, 255, 0.1);
    outline: none;
    cursor: pointer;
}
.calc-field input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--accent-purple);
    border: 2px solid var(--bg-main);
    box-shadow: 0 2px 8px rgba(168, 85, 247, 0.5);
    cursor: pointer;
}
.calc-field input[type="range"]::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border: 2px solid var(--bg-main);
    border-radius: 50%;
    background: var(--accent-purple);
    box-shadow: 0 2px 8px rgba(168, 85, 247, 0.5);
    cursor: pointer;
}
.calc-field input[type="range"]:focus-visible {
    box-shadow: 0 0 0 3px rgba(168, 85, 247, 0.3);
}

.calc-field select {
    width: 100%;
    margin-top: 0.75rem;
    padding: 0.8rem 1rem;
    font-family: inherit;
    font-size: 0.9rem;
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    cursor: pointer;
}
.calc-field select:focus {
    outline: none;
    border-color: var(--accent-purple);
}
.calc-field select option { background: var(--bg-main); color: var(--text-primary); }
.calc-hint {
    margin: 0.6rem 0 0;
    font-size: 0.8rem;
    line-height: 1.5;
    color: var(--text-muted);
}

.calc-result-row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 1rem;
    padding: 0.9rem 0;
    border-bottom: 1px solid var(--border-color);
}
.calc-result-label { font-size: 0.9rem; color: var(--text-secondary); }
.calc-result-value {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
}

.calc-highlight {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    text-align: center;
    margin: 1.75rem 0 1rem;
}
.calc-highlight-label {
    font-size: 0.8rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-muted);
}
.calc-highlight-value {
    font-size: clamp(1.9rem, 4vw, 2.6rem);
    font-weight: 800;
    line-height: 1.1;
    font-variant-numeric: tabular-nums;
}
.calc-highlight-sub { font-size: 0.95rem; color: var(--text-secondary); }

.calc-fte {
    margin: 0 0 1.5rem;
    text-align: center;
    font-size: 0.9rem;
    color: var(--text-secondary);
}
.calc-cta {
    width: 100%;
    justify-content: center;
    border: none;
    cursor: pointer;
    font-family: inherit;
    margin-top: auto;
}
.calc-share {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    margin-top: 0.75rem;
    padding: 0.7rem;
    font-family: inherit;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    cursor: pointer;
    transition: color 0.2s, border-color 0.2s, background 0.2s;
}
.calc-share:hover {
    color: var(--text-primary);
    border-color: var(--border-hover);
    background: rgba(255, 255, 255, 0.03);
}
.calc-share i { font-size: 0.95rem; }

.calc-disclaimer {
    margin: 1rem 0 0;
    font-size: 0.75rem;
    line-height: 1.5;
    text-align: center;
    color: var(--text-muted);
}

.calc-faq { margin-top: 3rem; }

@media (max-width: 860px) {
    .calc-grid { grid-template-columns: 1fr; }
    .calc-sticky {
        /* position:sticky burada çalışmıyor: body'de site genelinde (yatay
           taşmayı önlemek için) overflow-x:hidden var, ve bu tek başına bazı
           tarayıcılarda sticky'yi devre dışı bırakıyor. Aynı sayfada zaten
           kanıtlanmış çalışan position:fixed'e geçildi; görünürlük ise
           script.js'teki IntersectionObserver ile (yalnızca hesaplayıcı
           ekrandayken) .is-visible sınıfı üzerinden yönetiliyor. */
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 1rem;
        position: fixed;
        top: 74px;
        left: 1.25rem;
        right: 1.25rem;
        z-index: 50;
        margin: 0 0 1.25rem;
        padding: 0.75rem 1.1rem;
        background: rgba(8, 8, 13, 0.92);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        border: 1px solid rgba(6, 182, 212, 0.35);
        border-radius: 14px;
        box-shadow: 0 8px 20px rgba(0, 0, 0, 0.35);
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
        transition: opacity 0.25s ease, visibility 0.25s ease;
    }
    .calc-sticky.is-visible { opacity: 1; visibility: visible; pointer-events: auto; }
    .calc-sticky span { font-size: 0.78rem; color: var(--text-secondary); }
    .calc-sticky strong {
        font-size: 1.05rem;
        font-weight: 800;
        color: var(--accent-cyan);
        font-variant-numeric: tabular-nums;
        white-space: nowrap;
    }
}

/* ═══════════ SVG İKONLAR ═══════════ */
/* Sprite gizli tutulur ama display:none bazı tarayıcılarda <use> referanslarını
   bozduğu için akıştan çıkarma yöntemi tercih edildi. */
.icon-sprite {
    position: absolute;
    width: 0;
    height: 0;
    overflow: hidden;
}
/* <i> kabuğu korunuyor: mevcut `... i { font-size / color / transform }`
   kurallarının hepsi değişmeden çalışmaya devam etsin diye. */
.icon-wrap {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    vertical-align: -0.125em;
}
.icon {
    width: 1em;
    height: 1em;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}
/* .text-gradient metin dolgusunu şeffaflaştırdığı için SVG'de görünmez kalırdı */
.icon-accent { color: var(--accent-purple); }

/* ═══════════ İLETİŞİM FORMU ═══════════ */
.cta-form-wrap {
    position: relative;
    max-width: 640px;
    margin: 2.5rem auto 0;
    text-align: left;
}
.contact-form { display: flex; flex-direction: column; gap: 1.25rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
.form-field { display: flex; flex-direction: column; gap: 0.5rem; }
.form-field label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: 0.01em;
}
.label-opt { font-weight: 400; color: var(--text-muted); }
.form-field input,
.form-field textarea {
    width: 100%;
    padding: 0.9rem 1.1rem;
    font-family: inherit;
    font-size: 0.95rem;
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    transition: border-color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}
.form-field textarea { resize: vertical; min-height: 110px; }
.form-field input::placeholder,
.form-field textarea::placeholder { color: var(--text-muted); }
.form-field input:hover,
.form-field textarea:hover { border-color: var(--border-hover); }
.form-field input:focus,
.form-field textarea:focus {
    outline: none;
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--accent-purple);
    box-shadow: 0 0 0 3px rgba(168, 85, 247, 0.15);
}
/* Tarayıcı doğrulaması ancak kullanıcı gönderdikten sonra kırmızıya boyasın */
.contact-form.validated input:invalid,
.contact-form.validated textarea:invalid {
    border-color: rgba(239, 68, 68, 0.6);
}

.form-consent {
    display: flex;
    align-items: flex-start;
    gap: 0.7rem;
    font-size: 0.85rem;
    line-height: 1.5;
    color: var(--text-secondary);
    cursor: pointer;
}
.form-consent input {
    flex-shrink: 0;
    width: 18px;
    height: 18px;
    margin-top: 1px;
    accent-color: var(--accent-purple);
    /* accent-color yalnızca işaretlendiğinde devreye giriyor; boşken tarayıcı
       varsayılan kenarlığı koyu zeminde neredeyse kayboluyordu. */
    outline: 1px solid rgba(255, 255, 255, 0.3);
    outline-offset: 1px;
    cursor: pointer;
}

.form-submit {
    /* Solda kalıp sağda boşluk bırakıyordu; altındaki "veya [Takvimden...]"
       satırı zaten ortalı olduğu için ikisi hizasız görünüyordu. */
    align-self: center;
    border: none;
    cursor: pointer;
    font-family: inherit;
}
.form-submit[disabled] { opacity: 0.6; cursor: not-allowed; }

.form-status {
    margin: 0;
    font-size: 0.9rem;
    line-height: 1.5;
    min-height: 1.25rem;
}
.form-status.success { color: #34d399; }
.form-status.error { color: #f87171; }

/* Bot tuzağı — ekranda gizli, ekran okuyucudan da uzak */
.hp-field {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

.cta-alt {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}
.cta-alt-sep { color: var(--text-muted); font-size: 0.9rem; }

/* ═══════════ YÜZEN HIZLI İLETİŞİM ═══════════ */
.quick-contact {
    position: fixed;
    left: 30px;
    bottom: 30px;
    z-index: 999;
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    height: 50px;
    padding: 0 1.15rem;
    color: #fff;
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
    background: var(--accent-purple);
    border-radius: 50px;
    box-shadow: 0 4px 15px rgba(168, 85, 247, 0.4);
    transition: transform 0.3s ease, background 0.3s ease, box-shadow 0.3s ease;
}
.quick-contact i { font-size: 1.25rem; }
.quick-contact:hover { transform: translateY(-4px); box-shadow: 0 8px 22px rgba(168, 85, 247, 0.5); }
.quick-contact.is-whatsapp { background: #25d366; box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4); }
.quick-contact.is-whatsapp:hover { box-shadow: 0 8px 22px rgba(37, 211, 102, 0.5); }

@media (max-width: 768px) {
    .form-row { grid-template-columns: 1fr; }
    .cta-form-wrap { margin-top: 2rem; }
    .form-submit { align-self: stretch; justify-content: center; }
    /* Dar ekranda sadece ikon kalsın, sağdaki scroll butonlarıyla çakışmasın */
    .quick-contact { left: 20px; bottom: 24px; padding: 0; width: 50px; justify-content: center; }
    .quick-contact-label { display: none; }
}

/* Düşük güç modunda animasyonları kapat */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}