:root {
    --bg-color: #000000;
    --text-primary: #f5f5f7;
    --text-secondary: #86868b;
    --accent-blue: #0A84FF;
    --accent-purple: #BF5AF2;
    --accent-green: #30d158;
    --accent-orange: #ff9f0a;
    --accent-red: #ff3b30;
    
    --bg-1: #0a0a0a;
    --bg-2: #111111;
    --bg-3: #161616;
    --bg-4: #050505;

    --grad-1: #007AFF;

    --modal-scrim-fill: rgb(60 60 60 / 14%);
    --modal-scrim-blur: 20px;
    --modal-gray: #f0f0f0;

    /* Premium Dark Glass */
    --glass-bg: rgba(28, 28, 32, 0.6);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-highlight: rgba(255, 255, 255, 0.05);
    
    --font-stack: "SF Pro Display", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}
.scrolled-header {
    background-color: var(--bg-1);
}
html, body {
    margin: 0;
    padding: 0;
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-stack);
    overflow-x: hidden;
    width: 100%;
    -webkit-font-smoothing: antialiased;
}

/* --- HERO CANVAS BACKGROUND --- */
#canvas-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    z-index: -1;
    opacity: 0.5;
}

/* --- LAYOUT UTILITIES --- */
.container {
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 30px;
}

.section {
    padding: 100px 0;
    position: relative;
}

/* --- HERO SECTION --- */
.hero {
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 0 20px;
}

.hero h1 {
    font-size: clamp(3rem, 9vw, 8rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1;
    margin: 0;
    background: radial-gradient(circle at center, #ffffff 0%, #888888 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    opacity: 0;
    animation: heroReveal 1.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.hero-badge {
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--accent-blue);
    margin-bottom: 24px;
    opacity: 0;
    animation: fadeIn 1s ease forwards 0.5s;
    border: 1px solid rgba(10, 132, 255, 0.3);
    padding: 8px 16px;
    border-radius: 20px;
    background: rgba(10, 132, 255, 0.1);
    backdrop-filter: blur(10px);
}

/* --- APPLE SINGLE HERO STYLE --- */
.apple-hero-single {
    position: relative;
    width: 100%;
    min-height: 100vh; /* Ekranı kaplasın */
    background: #000; /* Koyu Premium Tema */
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    padding-top: 80px; /* Header payı */
    text-align: center;
    color: #fff;
}

.hero-container {
    position: relative;
    width: 100%;
    max-width: 1200px;
    padding: 20px;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* --- BAŞLIK AYARLARI --- */
.text-content {
    margin-top:2em;
    margin-bottom: 60px; /* Görsel ile başlık arası mesafe */
    opacity: 0;
    animation: fadeDown 1s ease-out forwards;
}

.apple-hero-single h1 {
    font-size: clamp(3rem, 8vw, 6.5rem); /* Mobilde küçülür, PC'de devleşir */
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin: 0 0 20px 0;
    
    /* Apple Text Gradient */
    background: linear-gradient(180deg, #FFFFFF 0%, #888888 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: #888;
    font-weight: 400;
}

/* --- GÖRSEL VE ANİMASYON --- */
.visual-content {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    perspective: 2000px; /* 3D derinlik algısı için şart */
}

.product-stage {
    position: relative;
    width: 90%; /* Görsel genişliği */
    max-width: 1000px;
    border-radius: 24px;
    
    /* Başlangıç Durumu (Animasyon Öncesi) */
    opacity: 0;
    transform: translateY(100px) scale(0.9) rotateX(20deg);
    
    /* ANİMASYON TANIMI (Apple'ın "smooth" hissi) */
    animation: heroReveal 1.6s cubic-bezier(0.16, 1, 0.3, 1) 0.5s forwards;
    
    /* Çerçeve ve Gölge */
    box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.15); /* İnce cam çerçeve */
    background: #111;
    overflow: hidden;
}

.product-stage img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 24px;
}

/* Görsel üzerindeki parlama efekti */
.shimmer {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, transparent 50%);
    pointer-events: none;
}

/* Zemindeki Yansıma (Görselin altındaki flu kopya) */
.floor-reflection {
    width: 80%;
    height: 100px;
    background: radial-gradient(ellipse at center, rgba(255,255,255,0.15), transparent 70%);
    margin-top: -30px; /* Görselin altına çek */
    filter: blur(40px);
    opacity: 0;
    transform: scale(0.5);
    animation: reflectionIn 1.6s cubic-bezier(0.16, 1, 0.3, 1) 0.7s forwards;
}

/* Arka plandaki ambiyans ışığı */
.ambient-glow {
    position: absolute;
    top: -20%;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(60, 100, 255, 0.12) 0%, rgba(0,0,0,0) 60%);
    pointer-events: none;
    z-index: 1;
}

/* --- KEYFRAMES (Hareketler) --- */
@keyframes heroReveal {
    to {
        opacity: 1;
        transform: translateY(0) scale(1) rotateX(0deg); /* Yerine oturma */
    }
}

@keyframes fadeDown {
    from { opacity: 0; transform: translateY(-30px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes reflectionIn {
    to { opacity: 1; transform: scale(1); }
}

/* --- RESPONSIVE --- */
@media (max-width: 768px) {
    .apple-hero-single h1 {
        font-size: 3.5rem; /* Mobilde font küçülsün */
    }
    .product-stage {
        width: 100%; /* Mobilde görsel tam genişlik */
        transform: translateY(50px) scale(0.95); /* Mobilde 3D efekti azalt */
    }
}

/* --- SCROLL REVEAL TEXT --- */
.reveal-text-container {
    font-size: clamp(24px, 4vw, 48px);
    font-weight: 600;
    line-height: 1.4;
    color: #333;
    text-align: center;
    max-width: 1000px;
    margin: 0 auto;
}
.reveal-text-container span { transition: color 0.3s ease; }
.reveal-text-container span.lit { color: #fff; text-shadow: 0 0 25px rgba(255,255,255,0.3); }

/* --- GRID SYSTEMS --- */
.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.grid-2 {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
    margin-top: 50px;
}
@media(min-width: 800px) {
    .grid-2 { grid-template-columns: 1fr 1fr; }
}

/* 3'lü Grid Yapısı */
.grid-triplet {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
}

@media(min-width: 1024px) {
    .grid-triplet { grid-template-columns: repeat(3, 1fr); align-items: start; }
}

/* --- CARD STYLES --- */
.card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 32px;
    padding: 40px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    transition: transform 0.4s cubic-bezier(0.165, 0.84, 0.44, 1), border-color 0.3s;
    opacity: 0;
    transform: translateY(40px);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.card.show { opacity: 1; transform: translateY(0); }
.card:hover { border-color: rgba(255, 255, 255, 0.3); background: rgba(40, 40, 45, 0.8); }

/* Icons */
.icon-box {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    margin-bottom: 24px;
    color: #fff;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.i-blue { color: #5ac8fa; box-shadow: 0 0 15px rgba(90, 200, 250, 0.2); }
.i-green { color: #34c759; box-shadow: 0 0 15px rgba(52, 199, 89, 0.2); }
.i-purple { color: #af52de; box-shadow: 0 0 15px rgba(175, 82, 222, 0.2); }
.i-orange { color: #ff9500; box-shadow: 0 0 15px rgba(255, 149, 0, 0.2); }
.i-red { color: #ff3b30; box-shadow: 0 0 15px rgba(255, 59, 48, 0.2); }

.card h3 { font-size: 1.5rem; font-weight: 700; margin-bottom: 15px; color: #fff; }
.card p { font-size: 1.1rem; color: var(--text-secondary); line-height: 1.6; margin-bottom: 15px; }

.section-title {
    text-align: center;
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    margin-bottom: 20px;
    color: #fff;
}

.sub-title {
    font-size: 1.5rem;
    color: var(--accent-blue);
    text-align: center;
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-weight: 600;
}

/* --- PROCESS FLOW CARDS (STEP-BY-STEP) --- */
.process-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 20px;
    margin-top: 60px;
}

.process-card {
    background: linear-gradient(160deg, rgba(255,255,255,0.03) 0%, rgba(255,255,255,0.01) 100%);
    border: 1px solid rgba(255,255,255,0.05);
    border-radius: 24px;
    padding: 30px;
    position: relative;
    transition: all 0.3s ease;
    opacity: 0; transform: translateY(30px);
}
.process-card.show { opacity: 1; transform: translateY(0); }

.process-card:hover {
    border-color: var(--accent-blue);
    background: linear-gradient(160deg, rgba(10, 132, 255, 0.05) 0%, rgba(255,255,255,0.01) 100%);
    transform: translateY(-5px);
}

.step-count {
    /* position: absolute; */
    top: 20px; right: 20px;
    font-size: 3rem;
    font-weight: 800;
    color: rgba(255,255,255,0.21);
    line-height: 1;
}

.process-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.process-text { color: #a1a1a6; font-size: 1rem; line-height: 1.5; }

.process-icon {
    width: 40px; height: 40px;
    border-radius: 12px;
    background: rgba(10,132,255,0.1);
    color: var(--accent-blue);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.1rem;
}

/* --- BIG MODULE CARD --- */
.module-card {
    background: linear-gradient(145deg, #111, #0a0a0a);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 40px;
    padding: 60px;
    margin-top: 80px;
    opacity: 0; transform: translateY(50px);
    transition: all 1s ease;
    position: relative;
}
.module-card.show { opacity: 1; transform: translateY(0); }

.list-item {
    display: flex;
    align-items: center;
    padding: 15px 0;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    color: #ccc;
    font-size: 1.1rem;
}
.list-item i { margin-right: 15px; color: var(--accent-blue); width: 25px; text-align: center; }

/* --- BENEFITS SECTION --- */
.benefit-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 60px;
    margin-top: 80px;
}

.benefit-item {
    padding-left: 30px;
    border-left: 2px solid rgba(255,255,255,0.1);
    transition: all 0.3s ease;
    opacity: 0; transform: translateY(20px);
}

.benefit-item.show { opacity: 1; transform: translateY(0); }
.benefit-item:hover { border-left-color: var(--accent-blue); }

.benefit-icon { font-size: 2rem; color: var(--accent-blue); margin-bottom: 20px; display: inline-block; }
.benefit-title { font-size: 1.5rem; font-weight: 700; color: #fff; margin-bottom: 15px; }
.benefit-desc { font-size: 1.1rem; color: #86868b; line-height: 1.6; }

/* --- NEW FEATURE LIST (AKILLI ZAMANLAMA) --- */
.feature-rows {
    display: flex;
    flex-direction: column;
    gap: 60px;
    margin-top: 80px;
}

.feature-row {
    display: flex;
    align-items: flex-start;
    gap: 30px;
    opacity: 0;
    transform: translateX(-30px);
    transition: all 0.6s ease;
}
.feature-row.show { opacity: 1; transform: translateX(0); }

.f-icon-large {
    min-width: 80px;
    height: 80px;
    border-radius: 24px;
    background: linear-gradient(135deg, rgba(255,255,255,0.1), rgba(255,255,255,0.02));
    border: 1px solid rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.2rem;
    color: #fff;
}

.f-content h3 { font-size: 1.8rem; font-weight: 700; color: #fff; margin-bottom: 10px; }
.f-content p { font-size: 1.2rem; color: var(--text-secondary); line-height: 1.6; }

@media(max-width: 768px) {
    .feature-row { flex-direction: column; }
}

/* --- ANIMATIONS --- */
@keyframes heroReveal { to { opacity: 1; transform: scale(1) translateY(0); } }
@keyframes fadeIn { to { opacity: 1; } }
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* --- SCROLL INDICATOR --- */
.scroll-indicator {
    position: absolute;
    bottom: 40px; left: 50%; transform: translateX(-50%);
    width: 1px; height: 60px;
    background: linear-gradient(to bottom, #fff, transparent);
    opacity: 0; animation: fadeIn 1s ease forwards 1.5s;
}
.text-action{ color: var(--accent-blue); text-decoration: none; font-weight: 600; }
.list-icon{ color: var(--accent-blue); margin-right: 10px; }
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-top: 60px;
}
.stat-card {
    background: rgba(28, 28, 30, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 24px;
    padding: 30px;
    text-align: center;
    transition: transform 0.3s ease;
}
.stat-number {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 10px;
    background: linear-gradient(135deg, #fff 0%, #aaa 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: block;
}
.stat-number.green {
    background: linear-gradient(135deg, #30d158 0%, #1da039 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.stat-number.blue {
    background: linear-gradient(135deg, #0A84FF 0%, #0050a0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.stat-number.purple {
    background: linear-gradient(135deg, #BF5AF2 0%, #8930b5 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-label {
    font-size: 1.3rem;
    font-weight: 600;
    color: #fff;
    margin-bottom: 10px;
}
.stat-desc {
    font-size: 1rem;
    color: #86868b;
    line-height: 1.4;
}

/* --- kurulum-hero SECTION --- */
.kurulum-hero {
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    background: radial-gradient(circle at center, #1a1a1a 0%, #000 70%);
    position: relative;
    z-index: 1;
}

.kurulum-hero h1 {
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 800;
    margin: 0;
    background: linear-gradient(180deg, #fff 0%, #666 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.scroll-down {
    position: absolute;
    bottom: 40px;
    color: var(--accent-blue);
    animation: bounce 2s infinite;
}

@keyframes bounce { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }

/* --- STACK WRAPPER --- */
.stack-wrapper-kurulum {
    /* Bu wrapper sticky container görevi görür */
    position: relative; 
}

/* --- THE CARD --- */
.stack-kurulum {
    /* SİHİR BURADA: position sticky ve top 0 */
    position: -webkit-sticky;
    position: sticky;
    top: 0;
    
    /* Her kart tam ekran */
    /* height: 100vh; */
    width: 100%;
    
    display: flex;
    flex-direction: column;
    
    /* Kenarlık ve Gölge */
    box-shadow: 0 -20px 50px rgba(0,0,0,0.8);
    border-top: 1px solid rgba(255,255,255,0.1);
    overflow: hidden; /* İçerik taşarsa kendi içinde scroll olabilir */
}

/* Z-Index ve Renkler */
#card-1 { background-color: var(--bg-1); z-index: 10; }
#card-2 { background-color: var(--bg-2); z-index: 20; }
#card-3 { background-color: var(--bg-3); z-index: 30; }
#card-4 { background-color: var(--bg-4); z-index: 40; }

/* HEADER ALANI */
.solution-card-header {
    padding: 30px 5%;
    /* height: 120px; */
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    background: rgba(0,0,0,0.3);
    backdrop-filter: blur(10px);
    flex-shrink: 0;
}

.step-label {
    font-size: 0.9rem;
    color: var(--accent-blue);
    letter-spacing: 2px;
    text-transform: uppercase;
    font-weight: 700;
    display: block;
    margin-bottom: 5px;
}

.step-title { font-size: 2.5rem; font-weight: 700; margin: 0; }
.step-num { font-size: 4rem; font-weight: 800; color: rgba(255,255,255,0.3); }

/* İÇERİK ALANI */
.card-kurulum {
    flex: 1; /* Kalan alanı doldur */
    padding: 40px 5%;
    overflow-y: auto; /* İçerik çok uzunsa scroll */
    display: flex;
    align-items: center; /* Dikey ortala */
}

/* GRID YAPISI */
.grid-split {
    display: grid;
    grid-template-columns: 1fr;
    gap: 50px;
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
}

@media(min-width: 1024px) {
    .grid-split { grid-template-columns: 1fr 1fr; align-items: start; }
}

/* İÇERİK KUTULARI */
.info-kurulum-box {
    /* background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.08); */
    border-radius: 20px;
    padding: 30px;
}

.box-title {
    color: #fff; font-size: 1.4rem; font-weight: 600; margin-bottom: 20px;
    display: flex; align-items: center; gap: 15px;
}
.box-title i { color: var(--accent-blue); }

.clean-list { list-style: none; padding: 0; margin: 0; }
.clean-list li {
    position: relative; padding-left: 25px; margin-bottom: 15px; color: #ccc; line-height: 1.6;
}
.clean-list li::before {
    content: ''; position: absolute; left: 0; top: 10px; width: 6px; height: 6px; background: var(--accent-blue); border-radius: 50%;
}

.highlight {
    border-left: 3px solid var(--accent-orange);
    padding-left: 20px;
    color: #fff;
    font-style: italic;
    background: linear-gradient(90deg, rgba(255, 194, 10, 0.1) 0%, transparent 100%);
    padding: 15px;
    margin-top: 20px;
}

/* Kutu Animasyonları */
.fade-in-box {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.tab-switch-container {
    display: flex;
    justify-content: center;
    padding: 20px 0;
    width: 100%;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}
.tab-switch-bg {
    position: relative;
    background: rgba(0,0,0,0.4);
    border-radius: 40px;
    padding: 4px;
    display: flex;
    width: 100%;
    max-width: 400px;
    border: 1px solid rgba(255,255,255,0.1);
}
.switch-btn {
    flex: 1;
    background: transparent;
    border: none;
    color: #888;
    padding: 12px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    z-index: 2;
    transition: color 0.3s;
    position: relative;
}
.switch-btn.active {
    color: #fff;
}
.switch-highlight {
    position: absolute;
    top: 4px;
    left: 4px;
    bottom: 4px;
    width: calc(50% - 4px);
    background: #2563eb; /* Apple Blue vari bir renk */
    border-radius: 36px;
    transition: transform 0.4s cubic-bezier(0.23, 1, 0.32, 1);
    z-index: 1;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.4);
}

/* 2. Panel Yapısı ve Animasyonlar */
.system-content-wrapper {
    position: relative;
    min-height: 400px;
    padding: 30px 70px;
}
.system-panel {
    display: none;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}
.system-panel.active {
    display: block;
    animation: appleFadeIn 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes appleFadeIn {
    from { opacity: 0; transform: translateY(20px) scale(0.98); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

/* 3. İçerik Tasarımı */
.panel-hero {
    text-align: center;
    margin-bottom: 30px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}
.hero-icon {
    font-size: 2.5rem;
    color: #aaa;
    margin-bottom: 15px;
}
.hero-icon.blue-glow { color: #00d2ff; text-shadow: 0 0 20px rgba(0, 210, 255, 0.5); }
.panel-hero h3 { font-size: 1.4rem; color: #fff; margin-bottom: 10px; }
.panel-hero p { color: #999; line-height: 1.6; font-size: 0.95rem; }

/* Yerinde Kontrol Listesi */
.feature-list-grid {
    display: grid;
    gap: 15px;
    margin-bottom: 30px;
    grid-template-columns: 1fr 1fr;
}
.tab-feature-row {
    background: rgba(255,255,255,0.03);
    padding: 15px 20px;
    border-radius: 12px;
    display: flex;
    align-items: flex-start;
    gap: 15px;
    border: 1px solid rgba(255,255,255,0.05);
}
.tab-feature-row i { color: #2563eb; font-size: 1.2rem; margin-top: 3px; }
.tab-feature-row div { color: #ccc; font-size: 0.9rem; line-height: 1.4; }
.tab-feature-row strong { color: #fff; display: block; margin-bottom: 4px; }

.info-alert-box {
    background: rgba(255, 193, 7, 0.08);
    border-left: 4px solid #ffc107;
    padding: 20px;
    border-radius: 8px;
}
.alert-title { color: #ffc107; font-weight: bold; margin-bottom: 10px; display: flex; align-items: center; gap: 10px;}
.alert-list { list-style: none; padding: 0; margin: 0; color: #ddd; font-size: 0.9rem; }
.alert-list li { margin-bottom: 5px; padding-left: 15px; position: relative; }
.alert-list li::before { content: "•"; position: absolute; left: 0; color: #ffc107; }

/* Otonom Grid */
.sub-header-line {
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: #555;
    font-weight: 800;
    margin: 20px 0;
    font-size: 0.8rem;
}
.autonomous-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}
.auto-card {
    background: linear-gradient(180deg, rgba(255,255,255,0.05) 0%, rgba(255,255,255,0.01) 100%);
    padding: 25px;
    border-radius: 20px;
    border: 1px solid rgba(255,255,255,0.08);
    text-align: center;
    transition: transform 0.3s;
}
.auto-card:hover { transform: translateY(-5px); border-color: rgba(255,255,255,0.2); }
.auto-card.full-width { grid-column: 1 / -1; }

.card-icon {
    width: 60px; height: 60px;
    background: rgba(37, 99, 235, 0.1);
    color: #3b82f6;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px auto;
    font-size: 1.5rem;
}
.auto-card h4 { color: #fff; font-size: 1.1rem; margin-bottom: 10px; }
.auto-card p { color: #888; font-size: 0.9rem; line-height: 1.5; }


.products-section {
    padding: 100px 5%;
    overflow: hidden;
    background-color: var(--card-bg);
}

.gallery-wrapper {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 40px;
}

.gallery-content-area {
    position: relative;
    margin-bottom: 60px;
}

.scroll-container {
    overflow-x: scroll;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding-bottom: 30px;
}

.paddlenav {
    position: absolute;
    bottom: -50px;
    right: 0px;
    display: flex;
    gap: 12px;
    pointer-events: none;
    z-index: 20;
}

.paddlenav-item {
    pointer-events: auto;
}

.paddlenav-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: none;
    border: 0;
    background-color: rgba(210, 210, 215, 0.64);
    cursor: pointer;
    transition: opacity 0.3s, background-color 0.3s, box-shadow 0.3s;
}

.card-set {
    display: flex;
    list-style: none;
    gap: 20px;
    width: max-content;
}

.card-container {
    flex-shrink: 0;
    width: 350px;
    scroll-snap-align: start;
}

.card-option {
    background-color: #161616;
    border-radius: 18px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
    /* border: 1px solid #e8e8ed; */
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    overflow: hidden;
    height: 100%;
    display: flex;
    flex-direction: column;
    cursor: pointer;
    position: relative;
}

.feature-card-content {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.feature-card-copy-container {
    padding: 30px 30px 0;
}

.feature-card-label {
    font-size: 14px;
    font-weight: 500;
    color: #fff;
}

.feature-card-headline {
    font-size: 24px;
    font-weight: 600;
    color: #fff;
    line-height: 1.2;
    display: block;
    margin-bottom: 1em;
}
p{
    text-indent: 0;
}
.feature-card-image-container {
    flex-grow: 1;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding: 0 30px 20px 30px;
    min-height: 150px;
}

figure {
    margin: 0 0 1rem;
}

.image-product {
    max-width: 300px;
}

.card-control-optional {
    position: absolute;
    top: 25px;
    right: 25px;
    z-index: 10;
    background: none;
    border: none;
    cursor: pointer;
}

.tile-button {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    transition: background-color 0.2s;
    background-color: #3f3f3f;
}

.icon-control {
    width: 30px;
    height: 30px;
    fill: #cecece;
}

.mdl-overlay.open {
    display: flex;
    opacity: 1;
}

.mdl-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--modal-scrim-fill);
    backdrop-filter: blur(var(--modal-scrim-blur));
    -webkit-backdrop-filter: blur(var(--modal-scrim-blur));
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 0;
    transition: opacity 0.3s 
    cubic-bezier(0.25, 0.46, 0.45, 0.94);
}


.mdl-content {
    background-color: rgb(47 47 47 / 90%);
    border-radius: 14px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2), 0 0 15px rgba(0, 0, 0, 0.05);
    padding: 30px;
    max-width: 70%;
    width: 90%;
    position: relative;
    display: flex;
    gap: 30px;
    transform: scale(0.95);
    opacity: 0;
    transition: all 0.35s 
cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.check-icon {
    color: var(--grad-1); 
    font-size: 18px;
    font-weight: bold;
    margin-right: 10px;
    line-height: 1.5;
    flex-shrink: 0;
}
.action-button:hover{
    color:#fff;
}
.text-column p {
    font-size: 16px;
    line-height: 1.6;
    margin-bottom: 25px;
}

.closeModalBtn {
    position: absolute;
    top: 15px;
    right: 15px;
    z-index: 10;
    width: 32px;
    height: 32px;
    background-color: #222;
    color: #fff;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    line-height: 1;
    font-size: 18px;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: background-color 0.2s, color 0.2s;
}

.text-column {
    flex: 1;
    min-width: 0;
}

.text-column h2 {
    font-size: 32px;
    font-weight: 700;
    margin: 0 0 15px 0;
    color: #fff;
}

.feature-list-2 {
    list-style: none;
    padding: 0;
    margin-bottom: 30px;
}

.modal-actions {
    margin-top: 25px;
    display: flex;
    justify-content: flex-end;
}

.mdl-overlay.open .mdl-content {
    opacity: 1;
    transform: scale(1);
}

.primary {
    background-color: var(--grad-1);
    color: white;
}
.action-button {
    border: none;
    padding: 12px 30px;
    border-radius: 25px;
    cursor: pointer;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.2s ease-out;
    text-decoration: none;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

@media(max-width: 768px) {
    .step-title { font-size: 1.8rem; }
    .step-num { font-size: 2.5rem; }
    .solution-card-header { height: auto; padding: 20px 5%; flex-direction: column-reverse; align-items: flex-start; gap: 10px; }
    .step-num { position: absolute; right: 20px; top: 20px; }
    .card-kurulum { display: block; padding-top: 20px; }
    .system-content-wrapper{
        padding: 30px;
    }
    .feature-list-grid{
        grid-template-columns: 1fr;
    }
    .module-card{
        padding: 20px;
    }
}

/* --- BENTO SECTION LAYOUT --- */
.section-bento {
    padding: 100px 0;
    background: #000; /* Apple Siyahı */
    color: #fff;
    display: flex;
    justify-content: center;
}

.container-fluid {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

.bento-header {
    text-align: center;
    margin-bottom: 60px;
}
.section-subtitle {
    font-size: 1.3rem;
    color: #86868b;
    margin-top: 15px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* --- GRID YAPISI --- */
.bento-wrapper {
    display: grid;
    /* 3 Sütunlu yapı: Sol Geniş (2 birim), Sağ Dar (1 birim) */
    grid-template-columns: 2fr 1fr; 
    grid-template-rows: auto auto;
    gap: 24px;
}

/* --- GENEL KUTU STİLİ --- */
.bento-box {
    background: #1c1c1e; /* Apple Dark Gray */
    border-radius: 30px; /* Büyük yuvarlak köşeler */
    overflow: hidden;
    position: relative;
    transition: transform 0.4s cubic-bezier(0.25, 1, 0.5, 1);
    border: 1px solid rgba(255,255,255,0.05);
}

.bento-box:hover {
    transform: scale(1.02);
    z-index: 2;
    box-shadow: 0 20px 40px rgba(0,0,0,0.5);
}

/* --- KART 1: GENİŞ KUTU (WIDE) --- */
.wide-box {
    grid-column: 1 / 2; /* Sol sütunda */
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 40px;
    min-height: 350px;
}
.wide-box .box-content { flex: 1; padding-right: 20px; }
.wide-box .box-visual {
    flex: 1;
    height: 100%;
    border-radius: 16px;
    overflow: hidden;
    position: relative;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}
.wide-box img { width: 100%; height: 100%; object-fit: cover; }

/* --- KART 2: DİKEY KUTU (TALL) --- */
.tall-box {
    grid-column: 2 / 3; /* Sağ sütunda */
    grid-row: 1 / 3; /* İki satır boyunca uzasın (Dikey) */
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}
.full-bg {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
}
.full-bg img { width: 100%; height: 100%; object-fit: cover; }
.overlay-gradient {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(to top, rgba(0,0,0,0.9) 0%, rgba(0,0,0,0) 60%);
}
.bottom-content {
    position: relative; z-index: 2; padding: 30px;
}

/* --- KART 3: BÜYÜK PANEL (ALTTA) --- */
.big-panel {
    grid-column: 1 / 2; /* Sol sütunun altına */
    background: linear-gradient(145deg, #1c1c1e, #2c2c2e);
    padding: 40px;
}
.panel-header {
    display: flex; align-items: center; gap: 20px; margin-bottom: 30px;
}
.badge {
    background: rgba(255,255,255,0.1); padding: 5px 12px; border-radius: 20px;
    font-size: 0.8rem; color: #a1a1a6; margin-left: 10px;
}

.panel-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.feature-item {
    background: rgba(255,255,255,0.05);
    padding: 20px;
    border-radius: 18px;
    text-align: center;
    display: flex; flex-direction: column; align-items: center; gap: 10px;
    transition: background 0.3s;
}
.feature-item:hover { background: rgba(255,255,255,0.1); }
.feature-item i { font-size: 1.8rem; margin-bottom: 5px; }
.feature-item span { font-weight: 600; color: #fff; }
.feature-item small { color: #86868b; font-size: 0.85rem; line-height: 1.3; }

.panel-footer {
    margin-top: 30px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,0.1);
    display: flex; justify-content: center; align-items: center; gap: 10px; color: #a1a1a6;
}

/* --- ORTAK ELEMENTLER --- */
.icon-circle {
    width: 48px; height: 48px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.2rem; margin-bottom: 15px; color: #fff;
}
.orange { background: linear-gradient(135deg, #ff9f0a, #ff7b00); }
.blue { background: linear-gradient(135deg, #0a84ff, #0056b3); }
.purple { background: linear-gradient(135deg, #bf5af2, #8e44ad); }

h3 { font-size: 1.5rem; color: #fff; margin-bottom: 10px; font-weight: 600; }
p { font-size: 1.05rem; color: #a1a1a6; line-height: 1.5; }
.text-blue { color: #0a84ff; }
.text-green { color: #30d158; }

/* --- RESPONSIVE --- */
@media (max-width: 900px) {
    .bento-wrapper {
        grid-template-columns: 1fr; /* Mobilde tek sütun */
        grid-template-rows: auto;
    }
    .wide-box, .tall-box, .big-panel {
        grid-column: 1; /* Hepsi tek sütunda */
        grid-row: auto;
        min-height: auto;
    }
    .tall-box { height: 400px; } /* Yükseklik ver */
    .wide-box { flex-direction: column-reverse; padding: 30px; }
    .wide-box .box-visual { width: 100%; height: 200px; margin-top: 20px; }
    .wide-box .box-content { padding-right: 0; }
    .panel-grid { grid-template-columns: 1fr; } /* Panel özellikleri alt alta */
}

/* --- PROCESS SECTION --- */
.section-process {
    padding: 100px 0;
    background: #000;
    color: #fff;
    overflow: hidden;
}


.section-desc {
    font-size: 1.3rem;
    color: #86868b;
    line-height: 1.5;
    margin-top: 2em;
    text-align: center;
}

/* --- ZIG-ZAG FLOW --- */
.process-flow {
    display: flex;
    flex-direction: column;
    gap: 100px; /* Adımlar arası geniş boşluk */
}

.flow-item {
    display: flex;
    align-items: center;
    gap: 60px; /* Resim ve yazı arası boşluk */
}

/* YAZI ALANI */
.flow-content {
    flex: 1;
    z-index: 2;
}

.step-badge {
    display: inline-block;
    font-size: 0.9rem;
    font-weight: 700;
    color: #a1a1a6;
    border: 1px solid rgba(255,255,255,0.2);
    padding: 6px 14px;
    border-radius: 20px;
    margin-bottom: 20px;
}

.flow-content h3 {
    font-size: 2.2rem; /* Büyük Başlık */
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.1;
    color: #fff;
}

.flow-content p {
    font-size: 1.1rem;
    color: #a1a1a6;
    line-height: 1.6;
}

.text-link {
    color: #2997ff;
    text-decoration: none;
    transition: color 0.2s;
}
.text-link:hover { text-decoration: underline; color: #4dadff; }


/* GÖRSEL ALANI */
.flow-visual {
    flex: 1.2; /* Resim yazıdan biraz daha geniş */
    position: relative;
    border-radius: 24px;
    overflow: hidden;
    transition: transform 0.5s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.flow-visual img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.7s ease;
}

/* Hover Efekti */
.flow-item:hover .flow-visual {
    transform: scale(1.02);
}
.flow-item:hover .flow-visual img {
    transform: scale(1.05); /* Resim hafif zoom yapar */
}

/* --- YÖN AYARLARI (ZIG-ZAG) --- */
.left-align {
    flex-direction: row; /* Yazı Sol, Resim Sağ */
}

.right-align {
    flex-direction: row-reverse; /* Resim Sol, Yazı Sağ */
}

/* --- RESPONSIVE (MOBİL) --- */
@media (max-width: 900px) {
    .section-process {
        padding: 60px 0;
    }

    .flow-item {
        flex-direction: column-reverse !important; /* Mobilde her zaman resim üstte olsun */
        gap: 30px;
        text-align: left;
    }

    .process-flow {
        gap: 60px;
    }

    .flow-visual {
        width: 100%;
        margin-bottom: 10px;
    }

    .flow-content h3 {
        font-size: 1.8rem;
    }
}

/* --- GENEL AYARLAR --- */
.interactive-section {
    padding: 100px 0;
    overflow: hidden; /* Taşmaları gizle */
    position: relative;
    background: #000;
}

/* Başlık */
.section-head-trigger {
    text-align: center;
    margin-bottom: 80px;
    position: relative;
    z-index: 5;
}

.step-indicator {
    display: block;
    font-size: 5rem;
    font-weight: 800;
    color: rgba(255, 255, 255, 0.05); /* Arka planda dev numara */
    line-height: 0.5;
    margin-bottom: 20px;
}

.hero-title-large {
    font-size: clamp(3rem, 5vw, 4.5rem);
    font-weight: 700;
    color: #fff;
    margin: 0;
}

.gradient-text {
    background: linear-gradient(90deg, #4facfe 0%, #00f2fe 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* --- SAHNE (STAGE) YAPISI --- */
.stage-container {
    position: relative;
    width: 90%;
    max-width: 1400px;
    margin: 0 auto 120px; /* Sahneler arası boşluk */
    height: 600px; /* Yükseklik */
    display: flex;
    align-items: center;
    border-radius: 40px;
    /* Perspektif: 3D eğilme efekti için şart */
    perspective: 1000px; 
}

/* --- SİNEMATİK GÖRSEL (Parallax) --- */
.cinematic-visual {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    border-radius: 40px;
    overflow: hidden;
    z-index: 1;
    /* Başlangıçta biraz küçük ve opak olsun (Scroll ile gelecek) */
    transform: scale(0.95); 
    opacity: 0.8;
    transition: transform 0.6s cubic-bezier(0.25, 1, 0.5, 1), opacity 0.6s ease;
    box-shadow: 0 40px 100px rgba(0,0,0,0.6);
}

/* Hover Efekti: Resme yaklaşma */
.stage-container:hover .cinematic-visual {
    transform: scale(1);
    opacity: 1;
}

.cinematic-visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 3s ease; /* Çok yavaş hareket (Ken Burns etkisi) */
}

.stage-container:hover .cinematic-visual img {
    transform: scale(1.1); /* Resim içinde yavaşça zoom yap */
}

/* Resim Üzerindeki Glow */
.visual-glow {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(to right, rgba(0,0,0,0.8) 0%, transparent 60%);
    pointer-events: none;
}

.visual-glow.purple-glow {
    background: linear-gradient(to left, rgba(0,0,0,0.8) 0%, transparent 60%);
}

/* --- YÜZEN İÇERİK KARTI (GLASS) --- */
.floating-content {
    position: relative;
    z-index: 10;
    width: 45%;
    padding: 50px;
    color: #fff;
    border-radius: 30px;
    
    /* Glassmorphism */
    background: rgba(20, 20, 20, 0.6);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 20px 50px rgba(0,0,0,0.3);

    /* Animasyon Hazırlığı */
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.2, 0.8, 0.2, 1);
}

/* Sahneye hover yapınca kart belirsizleşmesin, aksine parlasın */
.stage-container:hover .floating-content {
    border-color: rgba(255, 255, 255, 0.3);
    box-shadow: 0 30px 60px rgba(0,0,0,0.5);
}

/* Konumlandırma */
.left-side { margin-left: 5%; }
.right-side { margin-left: auto; margin-right: 5%; }

/* İÇERİK DETAYLARI */
.icon-orb {
    width: 60px; height: 60px;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.5rem; margin-bottom: 20px;
    color: #fff;
    box-shadow: 0 0 20px currentColor;
}
.blue-orb { background: #007aff; color: #007aff; background: rgba(0, 122, 255, 0.2); }
.purple-orb { background: #af52de; color: #af52de; background: rgba(175, 82, 222, 0.2); }

.floating-content h3 {
    font-size: 2.2rem; margin-bottom: 15px; font-weight: 700;
}
.floating-content .intro {
    font-size: 1.1rem; color: #d1d1d6; margin-bottom: 25px; line-height: 1.5;
}

.animated-list {
    list-style: none; padding: 0; margin-bottom: 30px;
}
.animated-list li {
    position: relative; padding-left: 20px; margin-bottom: 10px;
    color: #e5e5ea; font-size: 1rem;
}
.animated-list li::before {
    content: ""; position: absolute; left: 0; top: 8px;
    width: 6px; height: 6px; background: #fff; border-radius: 50%;
}

.info-pill {
    padding: 15px 20px; border-radius: 15px;
    background: rgba(255,255,255,0.05); border-left: 4px solid #fff;
}
.blue-border { border-left-color: #007aff; }
.purple-border { border-left-color: #af52de; }
.info-pill strong { display: block; color: #fff; margin-bottom: 5px; }
.info-pill span { font-size: 0.9rem; color: #a1a1a6; }

/* --- RESPONSIVE --- */
@media (max-width: 900px) {
    .stage-container {
        flex-direction: column;
        height: auto;
        border-radius: 20px;
        padding-bottom: 20px;
    }
    
    .cinematic-visual {
        position: relative;
        height: 300px;
        border-radius: 20px 20px 0 0;
        transform: none !important; /* Mobilde scale iptal */
    }

    .visual-glow {
        background: linear-gradient(to top, rgba(0,0,0,0.9) 0%, transparent 60%);
    }

    .floating-content {
        width: 100%;
        margin: -40px 0 0 0; /* Kartı resmin üzerine biraz bindir */
        border-radius: 20px;
        background: #111; /* Mobilde tam opak siyah daha iyi okunur */
        padding: 30px;
    }
}
/* --- SECTION BASE --- */
.premium-feature-section {
    padding: 120px 0; /* Body'e yapışmayı engeller, ferahlık sağlar */
    background: #000;
    color: #fff;
    overflow: hidden;
}

.container-fluid {
    width: 90%;
    max-width: 1400px; /* Geniş ekran hissi için arttırdık */
    margin: 0 auto;
}

/* --- HEADER CARD --- */
.header-card {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    padding-bottom: 40px;
    margin-bottom: 80px;
}

.step-badge {
    font-size: 0.9rem;
    font-weight: 700;
    color: #86868b;
    border: 1px solid rgba(255,255,255,0.2);
    padding: 8px 16px;
    border-radius: 30px;
    margin-bottom: 15px;
    display: inline-block;
}

.section-title {
    font-size: 3rem;
    font-weight: 700;
    margin: 0;
    background: linear-gradient(to right, #fff, #888);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.header-icon-large i {
    font-size: 4rem;
    color: rgb(255 255 255 / 19%);
}

/* --- CINEMATIC ROW LAYOUT --- */
.cinematic-row {
    display: flex;
    align-items: center;
    gap: 80px; /* Görsel ve metin arası geniş boşluk */
    margin-bottom: 120px; /* Satırlar arası boşluk */
}

.cinematic-row.reverse {
    flex-direction: row-reverse; /* Resmi sola al */
}

/* --- TEXT COLUMN --- */
.text-column {
    flex: 1;
    z-index: 2;
}

.icon-label {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    padding: 8px 16px;
    border-radius: 20px;
    margin-bottom: 20px;
    font-size: 0.9rem;
}
.blue-glass { background: rgba(10, 132, 255, 0.15); color: #409cff; border: 1px solid rgba(10, 132, 255, 0.3); }
.purple-glass { background: rgba(191, 90, 242, 0.15); color: #d58df5; border: 1px solid rgba(191, 90, 242, 0.3); }

.text-column h3 {
    font-size: 2.2rem;
    line-height: 1.1;
    margin-bottom: 20px;
    font-weight: 700;
}

.intro-p {
    font-size: 1.15rem;
    color: #a1a1a6;
    line-height: 1.6;
    margin-bottom: 30px;
}

/* Premium List Style */
.premium-list {
    list-style: none;
    padding: 0;
    margin: 0 0 30px 0;
}

.premium-list li {
    position: relative;
    padding-left: 24px;
    margin-bottom: 12px;
    color: #d2d2d7;
    font-size: 1rem;
    line-height: 1.5;
}

.premium-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 9px;
    width: 8px;
    height: 8px;
    background: #555;
    border-radius: 50%;
    transition: background 0.3s;
}

/* Hoverda liste maddesi parlasın */
.cinematic-row:hover .premium-list li::before {
    background: #fff;
}

/* Highlight Box */
.info-highlight {
    background: rgba(255,255,255,0.03);
    border-radius: 16px;
    padding: 24px;
    border-left: 4px solid;
    transition: transform 0.3s ease;
}
.info-highlight:hover { transform: translateX(10px); background: rgba(255,255,255,0.05); }

.blue-border { border-left-color: #0a84ff; }
.purple-border { border-left-color: #bf5af2; }

.highlight-title { color: #fff; display: block; margin-bottom: 8px; font-size: 1.1rem; }
.highlight-desc { color: #86868b; font-size: 0.95rem; margin: 0; line-height: 1.5; }

/* --- VISUAL COLUMN (Geniş & Animasyonlu) --- */
.visual-column {
    flex: 1.3; /* Görsel metinden daha geniş olsun */
    position: relative;
}

.image-wrapper {
    width: 100%;
    height: 450px; /* Sabit yükseklik ama geniş */
    border-radius: 30px; /* Apple tarzı yumuşak köşe */
    overflow: hidden;
    position: relative;
    box-shadow: 0 30px 80px rgba(0,0,0,0.6); /* Derin gölge */
    transform-style: preserve-3d;
    transition: transform 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover; /* Resmi kutuya sığdır ama oranını bozma */
    transition: transform 0.8s ease;
}

/* Hover Efektleri */
.cinematic-row:hover .image-wrapper {
    transform: scale(1.02); /* Kutu biraz büyüsün */
    box-shadow: 0 40px 100px rgba(0,0,0,0.8);
}

.cinematic-row:hover .image-wrapper img {
    transform: scale(1.1); /* Resim içinde biraz daha fazla büyüsün (Zoom etkisi) */
}

/* Parlama Efekti */
.glow-effect {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: radial-gradient(circle at top right, rgba(10, 132, 255, 0.2), transparent 60%);
    pointer-events: none;
    z-index: 2;
}
.purple-glow {
    background: radial-gradient(circle at top left, rgba(191, 90, 242, 0.2), transparent 60%);
}

/* --- ANIMASYON SINIFLARI (CSS) --- */
/* Bu sınıflar eleman ekrana girince çalışacak */
.reveal-up {
    opacity: 0;
    animation: revealAnim 1s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}

/* Eğer JS kullanmıyorsan direkt görünür olması için animation-delay veriyoruz */
.reveal-up:nth-child(1) { animation-delay: 0.1s; }
.reveal-up:nth-child(2) { animation-delay: 0.3s; }
.reveal-up:nth-child(3) { animation-delay: 0.5s; }

@keyframes revealAnim {
    from {
        opacity: 0;
        transform: translateY(60px); /* Aşağıdan yukarı */
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* --- RESPONSIVE (MOBİL) --- */
@media (max-width: 992px) {
    .cinematic-row {
        flex-direction: column !important; /* Mobilde her zaman alt alta */
        gap: 40px;
        margin-bottom: 80px;
    }

    .visual-column {
        width: 100%;
    }

    .image-wrapper {
        height: 250px; /* Mobilde yüksekliği azalt */
    }
    
    .text-column h3 { font-size: 1.8rem; }
}
.ai-feature-card {
    position: relative;
    border-radius: 32px;
    overflow: hidden;
    display: flex;
    flex-direction: row; /* Animasyon solda, yazı sağda */
    padding: 0;
}

/* --- SOL TARAF: ANİMASYON SAHNESİ --- */
.visual-stage {
    flex: 1;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* --- SAĞ TARAF: İÇERİK --- */
.content-side {
    flex: 1.2;
    padding: 60px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    z-index: 2;
}

/* Rozet */
.content-side .badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(240, 115, 113, 0.15); /* Beynin renginden türetildi */
    color: #f07371;
    border: 1px solid rgba(240, 115, 113, 0.3);
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    width: fit-content;
    margin-bottom: 25px;
}

.content-side h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin: 0 0 20px 0;
    background: linear-gradient(135deg, #fff 0%, #a1a1a6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.desc {
    font-size: 1.1rem;
    color: #a1a1a6;
    line-height: 1.6;
    margin-bottom: 30px;
}

/* Liste */
.content-side ul { list-style: none; padding: 0; margin: 0 0 30px 0; }
.content-side li {
    position: relative;
    padding-left: 24px;
    margin-bottom: 12px;
    color: #d2d2d7;
    font-size: 1rem;
}
.content-side li::before {
    content: ""; position: absolute; left: 0; top: 8px;
    width: 6px; height: 6px; background: #f07371;
    border-radius: 50%; box-shadow: 0 0 8px #f07371;
}

/* Erken Uyarı Kutusu */
.alert-box {
    background: rgba(255, 255, 255, 0.05);
    border-left: 3px solid #f07371;
    padding: 20px;
    border-radius: 0 12px 12px 0;
    position: relative;
    overflow: hidden;
}
/* Kutu parlaması */
.alert-box::after {
    content: "";
    position: absolute; top: 0; left: -100%;
    width: 100%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.05), transparent);
    animation: shimmer 3s infinite;
}

.alert-box strong { color: #fff; display: block; margin-bottom: 5px; }
.alert-box p { margin: 0; color: #86868b; font-size: 0.95rem; }

/* --- SVG STİLLERİ VE ANİMASYONLAR --- */

/* 1. Beyin Konteyneri */
.brain-container {
    width: 300px;
    height: 300px;
    position: relative;
    z-index: 10;
    filter: drop-shadow(0 0 30px rgba(240, 115, 113, 0.4)); /* Glow */
    animation: floatBrain 4s ease-in-out infinite;
}

.brain-svg {
    width: 100%;
    height: 100%;
    /* Beyni biraz saydamlaştırıp teknolojik gösterelim */
    opacity: 0.9; 
}

/* 2. Tarayıcı Işığı (Scan Effect) */
.scan-line {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 10px;
    background: linear-gradient(to right, transparent, #fff, transparent);
    opacity: 0.5;
    box-shadow: 0 0 15px #fff;
    animation: scanMove 3s cubic-bezier(0.4, 0, 0.2, 1) infinite;
    z-index: 12;
    pointer-events: none;
}

/* 3. Dönen Teknoloji Halkaları */
.tech-ring {
    position: absolute;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.1);
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    z-index: 5;
    pointer-events: none;
}

.ring-1 {
    width: 380px; height: 380px;
    border-top: 1px solid rgba(240, 115, 113, 0.6);
    border-bottom: 1px solid rgba(240, 115, 113, 0.6);
    animation: spinRight 10s linear infinite;
}

.ring-2 {
    width: 450px; height: 450px;
    border-left: 1px solid rgba(255, 255, 255, 0.3);
    border-right: 1px solid rgba(255, 255, 255, 0.3);
    animation: spinLeft 15s linear infinite;
}

.ring-3 {
    width: 340px; height: 340px;
    border: 1px dashed rgba(255, 255, 255, 0.2);
    animation: spinRight 20s linear infinite;
}

/* --- KEYFRAMES --- */
@keyframes floatBrain {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

@keyframes scanMove {
    0% { top: -10%; opacity: 0; }
    10% { opacity: 0.8; }
    90% { opacity: 0.8; }
    100% { top: 110%; opacity: 0; }
}

@keyframes spinRight { from { transform: translate(-50%, -50%) rotate(0deg); } to { transform: translate(-50%, -50%) rotate(360deg); } }
@keyframes spinLeft { from { transform: translate(-50%, -50%) rotate(360deg); } to { transform: translate(-50%, -50%) rotate(0deg); } }

@keyframes shimmer { 0% { left: -100%; } 100% { left: 100%; } }

/* Partikül (Nokta) Efekti */
.particle {
    position: absolute;
    width: 4px; height: 4px;
    background: #f07371;
    border-radius: 50%;
    opacity: 0;
    pointer-events: none;
}

/* Mobil Uyum */
@media (max-width: 900px) {
    .ai-feature-card { flex-direction: column; }
    .visual-stage { min-height: 350px; }
    .content-side { padding: 40px; }
    .brain-container { width: 200px; height: 200px; }
    .ring-1 { width: 260px; height: 260px; }
    .ring-2 { width: 320px; height: 320px; }
    .ring-3 { width: 230px; height: 230px; }
}

/* --- GENEL AYARLAR --- */
.apple-infrastructure {
    padding: 100px 0;
    background: #000; /* Derin Siyah Zemin */
    color: #f5f5f7;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

.container-fluid {
    width: 90%;
    max-width: 1400px;
    margin: 0 auto;
}

/* --- BAŞLIK --- */
/* .section-header {
    margin-bottom: 50px;
    display: flex;
    align-items: center;
    gap: 20px;
} */

.step-badge {
    font-size: 1rem;
    font-weight: 700;
    color: #86868b;
    border: 1px solid #424245;
    padding: 6px 14px;
    border-radius: 20px;
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    margin: 0;
    background: linear-gradient(180deg, #fff 0%, #a1a1a6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* --- BENTO GRID YAPISI --- */
.bento-grid-wrapper {
    display: grid;
    /* 1. Satır: Mekanik (Tam Genişlik) */
    /* 2. Satır: Hidrolojik (Yarı) - Donanım (Yarı) */
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto auto; 
    gap: 24px;
}

/* --- KUTU GENEL STİLİ --- */
.bento-item {
    background: #1d1d1f; /* Apple Dark Gray */
    border-radius: 30px;
    overflow: hidden;
    position: relative;
    display: flex;
    flex-direction: column;
    /* Hafif border ve gölge */
    border: 1px solid rgba(255,255,255,0.05);
    transition: transform 0.3s ease;
}

.bento-item:hover {
    transform: scale(1.01); /* Çok hafif hover efekti */
    z-index: 2;
    box-shadow: 0 20px 40px rgba(0,0,0,0.5);
}

/* İÇERİK STİLLERİ */
.bento-content {
    padding: 40px;
    z-index: 2;
}

.icon-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.icon-large {
    font-size: 1.8rem;
    color: #fff;
    /* İkon arkasına hafif parlama */
    filter: drop-shadow(0 0 10px rgba(255,255,255,0.3));
}

.bento-item h3 {
    font-size: 1.8rem;
    font-weight: 600;
    margin: 0;
    color: #fff;
}

.intro-p {
    font-size: 1.1rem;
    color: #d2d2d7;
    line-height: 1.5;
    margin-bottom: 25px;
}

.sub-text {
    font-size: 0.95rem;
    color: #86868b;
    margin-top: 20px;
    line-height: 1.5;
}

/* LİSTE STİLİ */
.apple-feature-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.apple-feature-list li {
    position: relative;
    padding-left: 20px;
    margin-bottom: 12px;
    color: #a1a1a6;
    font-size: 1rem;
    line-height: 1.5;
}

.apple-feature-list li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: #fff;
    font-weight: bold;
}

/* Sıkışık Liste (Hidrolojik için) */
.compact li { margin-bottom: 8px; font-size: 0.95rem; }


/* --- KUTU ÖZEL AYARLARI --- */

/* 1. MEKANİK KUTUSU (Tam Genişlik - Yatay) */
.item-mechanical {
    grid-column: 1 / 3; /* İki sütunu da kapla */
    flex-direction: row; /* Yazı solda, resim sağda */
    align-items: center;
    min-height: 400px;
}
.item-mechanical .bento-content {
    flex: 1.2; /* Yazı alanı geniş */
}
.visual-mech {
    flex: 1;
    height: 100%;
    position: relative;
    /* Soldan sağa geçiş maskesi */
    mask-image: linear-gradient(to right, transparent, black 10%);
    -webkit-mask-image: linear-gradient(to right, transparent, black 10%);
}
.visual-mech img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Highlight Pill (Güneş Enerjisi) */
.highlight-pill {
    background: rgba(255, 159, 10, 0.15); /* Orange Tint */
    border: 1px solid rgba(255, 159, 10, 0.3);
    padding: 16px;
    border-radius: 16px;
    display: flex;
    align-items: start;
    gap: 12px;
    margin-top: 25px;
}
.highlight-pill i { color: #ff9f0a; margin-top: 3px; }
.highlight-pill span { color: #ffb340; font-size: 0.95rem; line-height: 1.4; }


/* 2. HİDROLOJİK KUTUSU (Dikey) */
.item-hydro {
    grid-column: 1 / 2;
}
.visual-top {
    height: 250px;
    width: 100%;
    position: relative;
}
.visual-top img { width: 100%; height: 100%; object-fit: cover; }
.overlay-grad {
    position: absolute;
    bottom: 0; left: 0; width: 100%; height: 50%;
    background: linear-gradient(to top, #1d1d1f, transparent);
}


/* 3. DONANIM KUTUSU (Dikey) */
.item-hardware {
    grid-column: 2 / 3;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}
.visual-bottom {
    height: 200px;
    width: 100%;
    margin-top: auto; /* En alta it */
    mask-image: linear-gradient(to bottom, transparent, black 20%);
    -webkit-mask-image: linear-gradient(to bottom, transparent, black 20%);
}
.visual-bottom img { width: 100%; height: 100%; object-fit: cover; }


/* --- MOBİL UYUMLULUK --- */
@media (max-width: 992px) {
    .bento-grid-wrapper {
        grid-template-columns: 1fr; /* Tek sütun */
        grid-template-rows: auto;
    }
    
    .item-mechanical {
        grid-column: 1;
        flex-direction: column-reverse; /* Mobilde resim üstte olsun */
    }
    .visual-mech {
        width: 100%;
        height: 250px;
        mask-image: linear-gradient(to top, transparent, black 20%); /* Maskeyi değiştir */
        -webkit-mask-image: linear-gradient(to top, transparent, black 20%);
    }

    .item-hydro, .item-hardware {
        grid-column: 1;
    }
    
    .hero-title { font-size: 2rem; }
    .bento-content { padding: 30px; }
}

.ref-header { text-align: left; margin-bottom: 40px; }
.ref-sub { font-size: 1.2rem; color: var(--text-secondary); margin-top: 5px; }

.ref-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); /* Responsive Grid */
    gap: 24px;
}

.ref-card {
    background: var(--card-bg);
    border-radius: 20px; /* Daha küçük radius */
    border: 1px solid var(--border-color);
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    height: 400px; /* Kompakt yükseklik */
}

.ref-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.4);
    border-color: rgba(255,255,255,0.2);
}

.ref-img-wrapper {
    height: 200px;
    overflow: hidden;
    position: relative;
}

.ref-img-wrapper img {
    width: 100%; height: 100%; object-fit: cover;
    transition: transform 0.5s ease;
}

.ref-card:hover .ref-img-wrapper img { transform: scale(1.05); }

.ref-overlay-tag {
    position: absolute; bottom: 10px; left: 10px;
    background: rgba(0,0,0,0.6); backdrop-filter: blur(5px);
    padding: 4px 10px; border-radius: 6px;
    font-size: 0.75rem; color: #fff; font-weight: 600;
}

.ref-body {
    padding: 24px;
    display: flex; flex-direction: column; flex: 1;
}

.ref-location {
    font-size: 0.75rem; color: var(--accent-blue);
    font-weight: 700; text-transform: uppercase; margin-bottom: 6px;
}

.ref-title {
    font-size: 1.2rem; color: #fff; font-weight: 600; margin: 0 0 10px 0;
    line-height: 1.3;
}

.ref-desc {
    font-size: 0.9rem; color: var(--text-secondary);
    display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical;
    overflow: hidden; line-height: 1.5;
}

.ref-link {
    margin-top: auto; /* En alta it */
    padding-top: 15px;
    font-size: 0.9rem; color: #fff; font-weight: 500;
    display: flex; align-items: center; gap: 6px;
}

.ref-card:hover .ref-link { color: var(--accent-blue); }

/* Responsive */
@media (max-width: 992px) {
    .bento-grid { grid-template-columns: 1fr; }
    .mech-card { flex-direction: column-reverse; }
    .mech-visual { height: 250px; width: 100%; }
    
    .ai-card { flex-direction: column; }
    .ai-visual { min-height: 300px; }
    .ai-content { padding: 30px; }

    .ref-grid { grid-template-columns: 1fr; }
}