/* ==========================================================================
   ASUMAN TÜRKER SADIKOĞLU - RESMİ WEB SİTESİ STİL DOSYASI
   Tasarım Konsepti: Lüks Gece Mavisi (Midnight Navy), Varak Altın (Gold Leaf) & Fildişi
   Tipografi: Playfair Display & Plus Jakarta Sans
   ========================================================================== */

/* 1. CSS DEĞİŞKENLERİ VE TEMA */
:root {
    --bg-dark: #060b14;
    --bg-card: rgba(15, 23, 42, 0.75);
    --bg-card-hover: rgba(22, 34, 60, 0.85);
    --bg-alt: #0a1120;
    --border-color: rgba(212, 175, 55, 0.18);
    --border-highlight: rgba(212, 175, 55, 0.5);
    
    --gold-primary: #d4af37;
    --gold-light: #f5e7a3;
    --gold-dark: #aa8214;
    --gold-gradient: linear-gradient(135deg, #f7ecc5 0%, #d4af37 50%, #aa8214 100%);
    
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    
    --accent-cyan: #38bdf8;
    --accent-emerald: #10b981;
    --accent-ruby: #f43f5e;
    
    --font-heading: 'Playfair Display', Georgia, serif;
    --font-body: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
    
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 22px;
    --shadow-subtle: 0 10px 30px rgba(0, 0, 0, 0.4);
    --shadow-gold: 0 10px 35px rgba(212, 175, 55, 0.18);
    --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

/* 2. SIFIRLAMA VE GENEL AYARLAR */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-secondary);
    font-family: var(--font-body);
    line-height: 1.7;
    overflow-x: hidden;
    position: relative;
    background-image: 
        radial-gradient(circle at 15% 10%, rgba(212, 175, 55, 0.04) 0%, transparent 40%),
        radial-gradient(circle at 85% 60%, rgba(56, 189, 248, 0.03) 0%, transparent 45%);
    background-attachment: fixed;
}

/* Metin Seçimi Rengi */
::selection {
    background: var(--gold-primary);
    color: var(--bg-dark);
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

ul {
    list-style: none;
}

button, input, select, textarea {
    font-family: inherit;
}

.container {
    width: 90%;
    max-width: 1220px;
    margin: 0 auto;
    padding: 0 15px;
}

/* 3. TİPOGRAFİ VE YARDIMCI ELEMANLAR */
h1, h2, h3, h4 {
    font-family: var(--font-heading);
    color: var(--text-primary);
    line-height: 1.25;
}

.gold-gradient {
    background: var(--gold-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

.section {
    padding: 90px 0;
    position: relative;
}

.section-header {
    text-align: center;
    max-width: 760px;
    margin: 0 auto 55px;
}

.sub-tag {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 2.5px;
    text-transform: uppercase;
    color: var(--gold-primary);
    background: rgba(212, 175, 55, 0.1);
    border: 1px solid rgba(212, 175, 55, 0.25);
    padding: 6px 16px;
    border-radius: 50px;
    margin-bottom: 15px;
}

.section-title {
    font-size: 2.4rem;
    font-weight: 700;
    margin-bottom: 15px;
    letter-spacing: -0.5px;
}

.divider-gold {
    width: 70px;
    height: 3px;
    background: var(--gold-gradient);
    margin: 18px auto;
    border-radius: 2px;
}

.section-desc {
    color: var(--text-muted);
    font-size: 1.05rem;
}

/* 4. NAVBAR (NAVİGASYON) */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(6, 11, 20, 0.85);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
    padding: 16px 0;
}

.navbar.scrolled {
    padding: 10px 0;
    background: rgba(6, 11, 20, 0.95);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.6);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 92%;
    max-width: 1280px;
    margin: 0 auto;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-mark {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: var(--gold-gradient);
    color: var(--bg-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-family: var(--font-heading);
    font-size: 1.1rem;
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.3);
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: 0.3px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 22px;
}

.nav-links a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
    padding: 6px 0;
}

.nav-links a:hover {
    color: var(--gold-light);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0%;
    height: 2px;
    background: var(--gold-primary);
    transition: var(--transition);
}

.nav-links a:hover::after {
    width: 100%;
}

.nav-links .nav-highlight {
    color: var(--accent-cyan);
    font-weight: 600;
}

.btn-nav {
    background: rgba(212, 175, 55, 0.12);
    border: 1px solid var(--gold-primary);
    color: var(--gold-light) !important;
    padding: 8px 18px !important;
    border-radius: 50px;
    font-weight: 600 !important;
    transition: var(--transition);
}

.btn-nav:hover {
    background: var(--gold-gradient);
    color: var(--bg-dark) !important;
    box-shadow: var(--shadow-gold);
    transform: translateY(-2px);
}

.btn-nav::after {
    display: none !important;
}

.mobile-menu-btn {
    display: none;
    background: transparent;
    border: none;
    cursor: pointer;
    flex-direction: column;
    gap: 5px;
    padding: 5px;
}

.mobile-menu-btn span {
    width: 26px;
    height: 2px;
    background: var(--gold-primary);
    transition: var(--transition);
}

/* 5. HERO (GİRİŞ BÖLÜMÜ) */
.hero-section {
    padding: 160px 0 100px;
    position: relative;
    overflow: hidden;
    background: radial-gradient(circle at 50% 25%, rgba(26, 41, 74, 0.4) 0%, transparent 65%);
}

.hero-glow {
    position: absolute;
    top: 15%;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 350px;
    background: radial-gradient(ellipse, rgba(212, 175, 55, 0.15) 0%, transparent 70%);
    filter: blur(80px);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.12fr 0.88fr;
    gap: 40px;
    align-items: center;
    text-align: left;
    margin-bottom: 60px;
}

.hero-text-col {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(212, 175, 55, 0.1);
    border: 1px solid rgba(212, 175, 55, 0.3);
    color: var(--gold-light);
    font-size: 0.85rem;
    font-weight: 600;
    padding: 7px 20px;
    border-radius: 50px;
    margin-bottom: 24px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.hero-title {
    font-size: 3.3rem;
    font-weight: 800;
    letter-spacing: -1px;
    margin-bottom: 22px;
    line-height: 1.18;
}

.hero-subtitle {
    font-size: 1.12rem;
    max-width: 620px;
    margin: 0 0 32px 0;
    color: var(--text-secondary);
    font-weight: 400;
    line-height: 1.65;
}

.hero-subtitle strong {
    color: var(--gold-light);
    font-weight: 600;
}

.hero-actions {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
    margin-bottom: 0;
}

/* 3D Görsel Kartı & Uçuşan Pedagojik Etiketler */
.hero-visual-col {
    display: flex;
    justify-content: center;
    position: relative;
}

.hero-3d-wrapper {
    position: relative;
    width: 100%;
    max-width: 480px;
}

.hero-3d-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 125%;
    height: 125%;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.22) 0%, rgba(56, 189, 248, 0.15) 50%, transparent 70%);
    filter: blur(55px);
    pointer-events: none;
    z-index: 1;
}

.hero-3d-card {
    position: relative;
    z-index: 2;
    border-radius: 26px;
    overflow: hidden;
    border: 2px solid rgba(212, 175, 55, 0.45);
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.75), 0 0 45px rgba(212, 175, 55, 0.25);
    background: #080f1d;
    transition: transform 0.5s cubic-bezier(0.2, 0.8, 0.2, 1), box-shadow 0.5s ease;
}

.hero-3d-card:hover {
    transform: translateY(-8px) scale(1.02);
    border-color: var(--gold-light);
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.85), 0 0 60px rgba(212, 175, 55, 0.4);
}

.hero-3d-image {
    width: 100%;
    height: auto;
    display: block;
    aspect-ratio: 1 / 1;
    object-fit: cover;
}

/* Uçuşan Rozetler (Floating Badges) */
.float-badge {
    position: absolute;
    z-index: 10;
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(6, 11, 20, 0.88);
    backdrop-filter: blur(14px);
    border: 1px solid rgba(212, 175, 55, 0.5);
    padding: 10px 16px;
    border-radius: 50px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.7), 0 0 20px rgba(212, 175, 55, 0.3);
    animation: floatBadge 4s ease-in-out infinite;
}

.badge-top-left {
    top: 18px;
    left: 18px;
}

.badge-bottom-right {
    bottom: 22px;
    right: 18px;
    animation-delay: 2s;
}

.float-badge .f-icon {
    font-size: 1.6rem;
}

.float-badge strong {
    display: block;
    font-size: 0.84rem;
    color: var(--gold-light);
    line-height: 1.2;
}

.float-badge span {
    font-size: 0.72rem;
    color: var(--text-muted);
}

@keyframes floatBadge {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

.btn-primary {
    background: var(--gold-gradient);
    color: #060b14;
    font-weight: 700;
    font-size: 0.95rem;
    padding: 14px 28px;
    border-radius: 50px;
    box-shadow: 0 8px 25px rgba(212, 175, 55, 0.3);
    border: 1px solid transparent;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(212, 175, 55, 0.45);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    font-weight: 600;
    font-size: 0.95rem;
    padding: 14px 28px;
    border-radius: 50px;
    backdrop-filter: blur(8px);
}

.btn-secondary:hover {
    background: rgba(212, 175, 55, 0.12);
    border-color: var(--gold-primary);
    color: var(--gold-light);
    transform: translateY(-3px);
}

.btn-tertiary {
    background: rgba(56, 189, 248, 0.1);
    color: var(--accent-cyan);
    border: 1px solid rgba(56, 189, 248, 0.3);
    font-weight: 600;
    font-size: 0.95rem;
    padding: 14px 24px;
    border-radius: 50px;
}

.btn-tertiary:hover {
    background: rgba(56, 189, 248, 0.2);
    transform: translateY(-3px);
}

/* Hero İstatistik Kartları */
.hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    max-width: 1040px;
    margin: 0 auto;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 24px 18px;
    border-radius: var(--radius-md);
    backdrop-filter: blur(10px);
    transition: var(--transition);
}

.stat-card:hover {
    border-color: var(--border-highlight);
    transform: translateY(-4px);
    box-shadow: var(--shadow-subtle);
}

.stat-num {
    display: block;
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--gold-light);
    margin-bottom: 6px;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.4;
}

/* 6. HAKKIMDA & 6 DİPLOMA BÖLÜMÜ */
.about-section {
    background: var(--bg-alt);
    border-top: 1px solid rgba(255, 255, 255, 0.04);
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.about-grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 45px;
    align-items: start;
}

.about-bio-text p {
    margin-bottom: 20px;
    font-size: 1.05rem;
    color: var(--text-secondary);
}

.about-bio-text .lead-text {
    font-size: 1.15rem;
    color: var(--text-primary);
    line-height: 1.8;
}

.about-bio-text strong {
    color: var(--gold-light);
}

.quote-card {
    background: rgba(212, 175, 55, 0.06);
    border-left: 3px solid var(--gold-primary);
    padding: 24px 28px;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    margin-top: 30px;
    position: relative;
}

.quote-text {
    font-family: var(--font-heading);
    font-style: italic;
    font-size: 1.1rem;
    color: var(--text-primary);
    margin-bottom: 12px !important;
}

.quote-author {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--gold-primary);
    text-align: right;
    display: block;
}

.about-degrees-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 32px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-subtle);
}

.about-degrees-card h3 {
    font-size: 1.35rem;
    margin-bottom: 20px;
    color: var(--gold-light);
    display: flex;
    align-items: center;
    gap: 8px;
}

.degree-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.degree-list li {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding-bottom: 14px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.degree-list li:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.deg-icon {
    font-size: 1.3rem;
    background: rgba(255, 255, 255, 0.05);
    width: 38px;
    height: 38px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.degree-list strong {
    display: block;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.degree-list span {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.cert-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 15px;
}

.cert-tags .tag {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-secondary);
    padding: 5px 12px;
    border-radius: 6px;
    font-size: 0.8rem;
    transition: var(--transition);
}

.cert-tags .tag:hover {
    border-color: var(--gold-primary);
    color: var(--gold-light);
    background: rgba(212, 175, 55, 0.08);
}

/* 7. DÖRT ANA SÜTUN (UZMANLIKLAR) */
.pillars-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.pillar-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 34px 24px;
    border-radius: var(--radius-lg);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.pillar-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-highlight);
    transform: translateY(-8px);
    box-shadow: var(--shadow-gold);
}

.pillar-icon {
    font-size: 2.4rem;
    margin-bottom: 20px;
    width: 58px;
    height: 58px;
    border-radius: 12px;
    background: rgba(212, 175, 55, 0.1);
    border: 1px solid rgba(212, 175, 55, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
}

.pillar-card h3 {
    font-size: 1.35rem;
    margin-bottom: 14px;
    color: var(--text-primary);
}

.pillar-desc {
    font-size: 0.92rem;
    color: var(--text-muted);
    margin-bottom: 22px;
    flex-grow: 1;
}

.pillar-features {
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    padding-top: 16px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.pillar-features li {
    font-size: 0.85rem;
    color: var(--text-secondary);
    position: relative;
    padding-left: 18px;
}

.pillar-features li::before {
    content: '✦';
    position: absolute;
    left: 0;
    color: var(--gold-primary);
    font-size: 0.75rem;
}

/* 8. KİTAPLAR (CANLI VİTRİN) */
.books-section {
    background: var(--bg-alt);
}

.books-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.book-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: var(--transition);
    position: relative;
}

.book-card:hover {
    transform: translateY(-7px);
    border-color: var(--gold-primary);
    box-shadow: var(--shadow-gold);
}

.highlight-book {
    border: 1px solid rgba(212, 175, 55, 0.5);
    background: linear-gradient(180deg, rgba(212, 175, 55, 0.08) 0%, rgba(15, 23, 42, 0.8) 100%);
}

.book-badge {
    position: absolute;
    top: 14px;
    right: 14px;
    background: var(--gold-gradient);
    color: var(--bg-dark);
    font-size: 0.7rem;
    font-weight: 800;
    padding: 4px 10px;
    border-radius: 4px;
    z-index: 5;
    letter-spacing: 0.5px;
}

.book-cover-mockup {
    height: 170px;
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    padding: 20px;
    text-align: center;
}

.cover-icon {
    font-size: 2.6rem;
    margin-bottom: 8px;
}

.book-cover-mockup h4 {
    font-size: 1.1rem;
    color: var(--gold-light);
    letter-spacing: 0.5px;
}

.book-cover-mockup p {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.book-info {
    padding: 24px 20px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.book-info h3 {
    font-size: 1.15rem;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.book-desc {
    font-size: 0.88rem;
    color: var(--text-secondary);
    margin-bottom: 18px;
    flex-grow: 1;
    line-height: 1.6;
}

.book-meta {
    background: rgba(0, 0, 0, 0.25);
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    font-size: 0.78rem;
    color: var(--text-muted);
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-bottom: 16px;
    border-left: 2px solid var(--gold-primary);
}

.btn-book {
    display: block;
    text-align: center;
    background: rgba(212, 175, 55, 0.15);
    color: var(--gold-light);
    border: 1px solid var(--gold-primary);
    padding: 9px 14px;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 600;
}

.btn-book:hover {
    background: var(--gold-gradient);
    color: var(--bg-dark);
}

/* 9. BİLDİRİLER VE MAKALELER (TAM METİN OKUYUCU) */
.papers-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.paper-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 30px;
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    transition: var(--transition);
}

.paper-item:hover {
    border-color: var(--border-highlight);
    transform: translateY(-4px);
    box-shadow: var(--shadow-subtle);
}

.paper-badge {
    align-self: flex-start;
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--accent-cyan);
    background: rgba(56, 189, 248, 0.1);
    border: 1px solid rgba(56, 189, 248, 0.25);
    padding: 4px 10px;
    border-radius: 4px;
    margin-bottom: 14px;
    letter-spacing: 0.5px;
}

.paper-item h3 {
    font-size: 1.28rem;
    margin-bottom: 14px;
    color: var(--text-primary);
    line-height: 1.4;
}

.paper-abstract {
    font-size: 0.92rem;
    color: var(--text-secondary);
    margin-bottom: 24px;
    flex-grow: 1;
    line-height: 1.65;
}

.paper-abstract strong {
    color: var(--gold-light);
}

.paper-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    padding-top: 16px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.btn-read-paper {
    background: transparent;
    border: 1px solid var(--gold-primary);
    color: var(--gold-light);
    padding: 7px 16px;
    border-radius: 50px;
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.btn-read-paper:hover {
    background: var(--gold-gradient);
    color: var(--bg-dark);
}

/* 10. PROJELER VE ÇALIŞTAYLAR */
.projects-section {
    background: var(--bg-alt);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.project-box {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 26px 20px;
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    transition: var(--transition);
}

.project-box:hover {
    transform: translateY(-5px);
    border-color: var(--gold-primary);
}

.proj-header {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 16px;
}

.proj-icon {
    font-size: 1.8rem;
    background: rgba(255, 255, 255, 0.05);
    width: 48px;
    height: 48px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.proj-header h4 {
    font-size: 1.1rem;
    color: var(--text-primary);
}

.proj-target {
    font-size: 0.75rem;
    color: var(--gold-primary);
    display: block;
    font-weight: 600;
}

.project-box p {
    font-size: 0.88rem;
    color: var(--text-secondary);
    margin-bottom: 20px;
    flex-grow: 1;
    line-height: 1.6;
}

.proj-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.proj-tags span {
    font-size: 0.72rem;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: var(--text-muted);
    padding: 3px 8px;
    border-radius: 4px;
}

/* 11. İNTERAKTİF EKRAN DENGESİ TESTİ (FARK YARATAN ÖĞE) */
.interactive-section {
    padding: 100px 0;
}

.interactive-box {
    background: linear-gradient(145deg, rgba(15, 23, 42, 0.9) 0%, rgba(10, 17, 32, 0.95) 100%);
    border: 1px solid var(--border-highlight);
    border-radius: var(--radius-lg);
    padding: 50px 40px;
    max-width: 820px;
    margin: 0 auto;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6), var(--shadow-gold);
    position: relative;
}

.int-header {
    text-align: center;
    margin-bottom: 35px;
}

.badge-int {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 800;
    color: var(--accent-cyan);
    background: rgba(56, 189, 248, 0.15);
    border: 1px solid rgba(56, 189, 248, 0.3);
    padding: 5px 14px;
    border-radius: 50px;
    margin-bottom: 12px;
}

.int-header h2 {
    font-size: 1.95rem;
    margin-bottom: 10px;
}

.int-header p {
    font-size: 0.95rem;
    color: var(--text-muted);
}

.quiz-step h4 {
    font-size: 1.25rem;
    color: var(--gold-light);
    margin-bottom: 24px;
    text-align: center;
    line-height: 1.45;
}

.options-grid {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.opt-btn {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(212, 175, 55, 0.2);
    color: var(--text-primary);
    padding: 16px 22px;
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    text-align: left;
    transition: var(--transition);
}

.opt-btn:hover {
    background: rgba(212, 175, 55, 0.15);
    border-color: var(--gold-primary);
    transform: translateX(6px);
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.2);
}

/* Quiz Sonuç Kutusu */
.quiz-result-box {
    text-align: center;
    padding: 20px 10px;
    animation: fadeIn 0.5s ease-out forwards;
}

.quiz-result-box h3 {
    font-size: 1.8rem;
    margin-bottom: 12px;
    color: var(--gold-light);
}

.quiz-result-box p {
    font-size: 1.05rem;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.rec-box {
    background: rgba(212, 175, 55, 0.08);
    border: 1px solid rgba(212, 175, 55, 0.35);
    padding: 22px;
    border-radius: var(--radius-md);
    text-align: left;
    margin-bottom: 28px;
}

.rec-box strong {
    color: var(--gold-primary);
    display: block;
    margin-bottom: 8px;
    font-size: 1rem;
}

.rec-box p {
    font-size: 0.95rem;
    margin-bottom: 0;
    line-height: 1.6;
}

.btn-restart {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    padding: 10px 22px;
    border-radius: 50px;
    font-size: 0.88rem;
    cursor: pointer;
    transition: var(--transition);
}

.btn-restart:hover {
    color: var(--text-primary);
    border-color: var(--gold-primary);
}

/* 12. ASUMAN'IN ÇANTASI (İNDİRİLEBİLİR MATERYALLER) */
.bag-section {
    background: var(--bg-alt);
    position: relative;
}

.bag-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 22px;
}

.bag-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 30px 22px;
    border-radius: var(--radius-lg);
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.bag-card:hover {
    transform: translateY(-8px);
    border-color: var(--gold-primary);
    box-shadow: var(--shadow-gold);
    background: var(--bg-card-hover);
}

.highlight-bag {
    border: 1px solid rgba(212, 175, 55, 0.55);
    background: linear-gradient(180deg, rgba(212, 175, 55, 0.08) 0%, rgba(15, 23, 42, 0.85) 100%);
    box-shadow: 0 10px 30px rgba(212, 175, 55, 0.15);
}

.bag-ribbon {
    font-size: 0.68rem;
    font-weight: 800;
    letter-spacing: 0.5px;
    color: var(--bg-dark);
    background: var(--gold-gradient);
    padding: 4px 10px;
    border-radius: 50px;
    margin-bottom: 14px;
    display: inline-block;
}

.bag-icon {
    font-size: 2.8rem;
    margin-bottom: 14px;
}

.bag-card h4 {
    font-size: 1.18rem;
    margin-bottom: 10px;
    color: var(--text-primary);
    line-height: 1.35;
}

.bag-card p {
    font-size: 0.86rem;
    color: var(--text-secondary);
    margin-bottom: 18px;
    line-height: 1.55;
    flex-grow: 1;
}

.bag-features-list {
    background: rgba(0, 0, 0, 0.25);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-sm);
    padding: 10px 12px;
    width: 100%;
    margin-bottom: 20px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    text-align: left;
}

.bag-features-list span {
    font-size: 0.76rem;
    color: var(--gold-light);
    line-height: 1.3;
}

.bag-actions {
    display: flex;
    flex-direction: column;
    gap: 8px;
    width: 100%;
}

.btn-download {
    background: var(--gold-gradient);
    color: var(--bg-dark);
    border: none;
    padding: 10px 16px;
    border-radius: 50px;
    font-size: 0.86rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    width: 100%;
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.25);
}

.btn-download:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(212, 175, 55, 0.4);
}

.btn-preview-bag {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: var(--text-secondary);
    padding: 8px 14px;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    width: 100%;
}

.btn-preview-bag:hover {
    border-color: var(--gold-primary);
    color: var(--gold-light);
    background: rgba(212, 175, 55, 0.1);
}

/* İnteraktif Aile Oyun Çarkı & Sözleşme Araçları */
.interactive-bag-tools {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 26px;
    margin-top: 50px;
}

.tool-card {
    background: linear-gradient(145deg, rgba(15, 23, 42, 0.9) 0%, rgba(10, 17, 32, 0.95) 100%);
    border: 1px solid var(--border-highlight);
    border-radius: var(--radius-lg);
    padding: 34px 28px;
    display: flex;
    flex-direction: column;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    position: relative;
}

.tool-badge {
    align-self: flex-start;
    font-size: 0.72rem;
    font-weight: 800;
    color: var(--gold-light);
    background: rgba(212, 175, 55, 0.15);
    border: 1px solid rgba(212, 175, 55, 0.35);
    padding: 4px 12px;
    border-radius: 50px;
    margin-bottom: 14px;
    letter-spacing: 0.5px;
}

.tool-card h3 {
    font-size: 1.38rem;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.tool-sub {
    font-size: 0.88rem;
    color: var(--text-muted);
    margin-bottom: 22px;
    line-height: 1.5;
}

.wheel-display {
    background: rgba(0, 0, 0, 0.35);
    border: 1px dashed rgba(212, 175, 55, 0.4);
    border-radius: var(--radius-md);
    padding: 24px 20px;
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    text-align: center;
    transition: var(--transition);
}

.wheel-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: var(--text-muted);
}

.wheel-icon {
    font-size: 3rem;
}

.wheel-hint {
    font-size: 0.88rem;
    max-width: 320px;
}

.wheel-result {
    text-align: left;
    width: 100%;
    animation: fadeIn 0.4s ease-out;
}

.wheel-result h4 {
    color: var(--gold-light);
    font-size: 1.25rem;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.wheel-item {
    font-size: 0.86rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
    line-height: 1.5;
}

.wheel-item strong {
    color: var(--gold-primary);
}

.btn-spin-wheel,
.btn-create-contract {
    background: var(--gold-gradient);
    color: var(--bg-dark);
    border: none;
    padding: 13px 20px;
    border-radius: 50px;
    font-size: 0.92rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    width: 100%;
    margin-top: auto;
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.25);
}

.btn-spin-wheel:hover,
.btn-create-contract:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(212, 175, 55, 0.45);
}

.contract-form-mini {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 20px;
    flex-grow: 1;
}

.mini-input-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
    text-align: left;
}

.mini-input-group label {
    font-size: 0.82rem;
    color: var(--text-secondary);
    font-weight: 600;
}

.mini-input-group input,
.mini-input-group select {
    background: rgba(0, 0, 0, 0.45);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-sm);
    padding: 11px 14px;
    color: var(--text-primary);
    font-size: 0.9rem;
    outline: none;
    transition: var(--transition);
}

.mini-input-group input:focus,
.mini-input-group select:focus {
    border-color: var(--gold-primary);
    box-shadow: 0 0 10px rgba(212, 175, 55, 0.3);
}

/* 13. İLETİŞİM & SEMİNER TALEP FORMU */
.contact-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 40px;
    padding: 48px;
    box-shadow: var(--shadow-subtle);
}

.contact-info h2 {
    font-size: 2rem;
    margin-bottom: 16px;
}

.contact-info p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 30px;
    line-height: 1.7;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.c-item {
    font-size: 0.92rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.c-item strong {
    color: var(--gold-light);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    background: rgba(0, 0, 0, 0.35);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-sm);
    padding: 12px 14px;
    color: var(--text-primary);
    font-size: 0.95rem;
    outline: none;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--gold-primary);
    box-shadow: 0 0 10px rgba(212, 175, 55, 0.25);
    background: rgba(0, 0, 0, 0.55);
}

.form-group select option {
    background: #0f172a;
    color: #f8fafc;
}

.btn-submit {
    background: var(--gold-gradient);
    color: var(--bg-dark);
    border: none;
    font-weight: 700;
    font-size: 1rem;
    padding: 14px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    margin-top: 8px;
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(212, 175, 55, 0.4);
}

/* 14. FOOTER */
.footer {
    background: #04080e;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding: 60px 0 30px;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 25px;
}

.footer-logo h3 {
    font-size: 1.4rem;
    color: var(--text-primary);
    margin: 10px 0 4px;
}

.footer-logo p {
    font-size: 0.85rem;
    color: var(--gold-primary);
}

.footer-links {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    justify-content: center;
}

.footer-links a {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.footer-links a:hover {
    color: var(--gold-light);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.04);
    padding-top: 24px;
    width: 100%;
    font-size: 0.8rem;
    color: var(--text-muted);
    display: flex;
    flex-direction: column;
    gap: 6px;
}

/* 15. MODAL (TAM METİN OKUYUCU PENCERESİ) */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(8px);
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal-overlay.active {
    display: flex;
    animation: fadeIn 0.3s ease-out;
}

.modal-card {
    background: #0c1424;
    border: 1px solid var(--border-highlight);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 860px;
    max-height: 85vh;
    overflow-y: auto;
    padding: 40px;
    position: relative;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.8), var(--shadow-gold);
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: var(--text-primary);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    font-size: 1.4rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.modal-close:hover {
    background: var(--gold-primary);
    color: var(--bg-dark);
}

.modal-content-inner h2 {
    font-size: 1.8rem;
    color: var(--gold-light);
    margin-bottom: 8px;
    line-height: 1.35;
}

.modal-meta {
    font-size: 0.85rem;
    color: var(--accent-cyan);
    margin-bottom: 22px;
    padding-bottom: 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.modal-body-text {
    font-size: 0.98rem;
    line-height: 1.8;
    color: var(--text-secondary);
}

.modal-body-text h4 {
    color: var(--text-primary);
    margin: 22px 0 8px;
    font-size: 1.15rem;
}

.modal-body-text p {
    margin-bottom: 14px;
}

.modal-body-text ul {
    margin-bottom: 16px;
    padding-left: 20px;
    list-style: disc;
}

.modal-body-text li {
    margin-bottom: 6px;
}

/* Bildirim Kutucuğu (Toast) */
.toast-msg {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: var(--bg-card);
    border: 1px solid var(--gold-primary);
    color: var(--gold-light);
    padding: 16px 24px;
    border-radius: var(--radius-md);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.8), var(--shadow-gold);
    z-index: 3000;
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 600;
    animation: slideUp 0.4s ease-out;
}

/* 16. ANİMASYONLAR */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

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

/* ==========================================================================
   RESMÎ KİMLİK, SİBER GÜVENLİK VE INSTAGRAM ENTEGRASYON STİLLERİ
   ========================================================================== */

/* Navbar Resmî Rozet ve Instagram Butonu */
.logo-text-group {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.official-pill {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 0.65rem;
    font-weight: 800;
    letter-spacing: 0.5px;
    color: var(--accent-cyan);
    background: rgba(56, 189, 248, 0.12);
    border: 1px solid rgba(56, 189, 248, 0.3);
    padding: 2px 7px;
    border-radius: 4px;
    width: fit-content;
}

.official-pill .check-icon {
    font-size: 0.75rem;
    color: #4ade80;
}

.nav-instagram-btn {
    background: linear-gradient(135deg, rgba(225, 48, 108, 0.2) 0%, rgba(225, 48, 108, 0.05) 100%);
    border: 1px solid rgba(225, 48, 108, 0.4) !important;
    color: #f472b6 !important;
    padding: 7px 14px !important;
    border-radius: 50px !important;
    font-size: 0.82rem !important;
    font-weight: 600 !important;
    transition: var(--transition);
}

.nav-instagram-btn:hover {
    background: linear-gradient(135deg, #e1306c 0%, #fd1d1d 50%, #f56040 100%) !important;
    color: #ffffff !important;
    border-color: transparent !important;
    box-shadow: 0 4px 15px rgba(225, 48, 108, 0.4);
    transform: translateY(-2px);
}

/* Hero Güvenlik Şeridi ve Instagram Butonu */
.official-security-strip {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(15, 23, 42, 0.7);
    border: 1px solid rgba(212, 175, 55, 0.35);
    border-radius: 50px;
    padding: 6px 18px;
    font-size: 0.82rem;
    color: var(--gold-light);
    margin-bottom: 20px;
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

.strip-divider {
    color: var(--text-muted);
}

.btn-instagram-hero {
    background: linear-gradient(135deg, rgba(225, 48, 108, 0.2) 0%, rgba(131, 58, 180, 0.25) 100%);
    color: #ffffff;
    border: 1px solid rgba(225, 48, 108, 0.5);
    padding: 13px 24px;
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-weight: 600;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    box-shadow: 0 4px 15px rgba(225, 48, 108, 0.2);
}

.btn-instagram-hero:hover {
    background: linear-gradient(135deg, #833ab4 0%, #fd1d1d 50%, #fcb045 100%);
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(225, 48, 108, 0.45);
}

/* Resmî Instagram Akışı ve Vitrini */
.instagram-section {
    background: radial-gradient(circle at center, rgba(225, 48, 108, 0.05) 0%, transparent 70%), var(--bg-alt);
    position: relative;
    padding: 90px 0;
}

.instagram-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-bottom: 40px;
}

.ig-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    text-decoration: none;
    transition: var(--transition);
}

.ig-card:hover {
    transform: translateY(-8px);
    border-color: #e1306c;
    box-shadow: 0 12px 30px rgba(225, 48, 108, 0.25);
}

.ig-image-mockup {
    height: 190px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.ig-game { background: linear-gradient(135deg, #1e1b4b 0%, #312e81 100%); }
.ig-robot { background: linear-gradient(135deg, #064e3b 0%, #065f46 100%); }
.ig-book { background: linear-gradient(135deg, #701a75 0%, #4a044e 100%); }
.ig-family { background: linear-gradient(135deg, #7c2d12 0%, #431407 100%); }

.ig-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: #fff;
    font-size: 0.68rem;
    font-weight: 800;
    padding: 3px 8px;
    border-radius: 4px;
    letter-spacing: 0.5px;
}

.ig-overlay-icon {
    font-size: 3rem;
    opacity: 0.85;
    transition: var(--transition);
}

.ig-card:hover .ig-overlay-icon {
    transform: scale(1.15);
    opacity: 1;
}

.ig-tag-corner {
    position: absolute;
    bottom: 10px;
    right: 12px;
    font-size: 0.72rem;
    color: var(--gold-light);
    background: rgba(0, 0, 0, 0.5);
    padding: 2px 8px;
    border-radius: 4px;
}

.ig-info {
    padding: 20px 18px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.ig-info h4 {
    font-size: 1.05rem;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.ig-info p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 14px;
    flex-grow: 1;
}

.ig-handle {
    font-size: 0.78rem;
    color: #f472b6;
    font-weight: 600;
}

.instagram-cta-box {
    background: linear-gradient(135deg, rgba(225, 48, 108, 0.1) 0%, rgba(15, 23, 42, 0.8) 100%);
    border: 1px solid rgba(225, 48, 108, 0.3);
    border-radius: var(--radius-lg);
    padding: 24px 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.ig-profile-preview {
    display: flex;
    align-items: center;
    gap: 16px;
}

.ig-avatar {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: linear-gradient(135deg, #833ab4 0%, #fd1d1d 50%, #fcb045 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    color: #fff;
    font-size: 1.1rem;
    border: 2px solid #fff;
    box-shadow: 0 4px 15px rgba(225, 48, 108, 0.4);
}

.ig-profile-preview strong {
    display: block;
    font-size: 1.1rem;
    color: var(--text-primary);
}

.ig-followers {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.btn-instagram-follow {
    background: linear-gradient(135deg, #833ab4 0%, #fd1d1d 50%, #fcb045 100%);
    color: #fff;
    text-decoration: none;
    font-weight: 700;
    font-size: 0.95rem;
    padding: 12px 24px;
    border-radius: 50px;
    transition: var(--transition);
    white-space: nowrap;
    box-shadow: 0 4px 15px rgba(225, 48, 108, 0.35);
}

.btn-instagram-follow:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(225, 48, 108, 0.55);
}

/* KVKK Onay Kutusu */
.kvkk-checkbox-group {
    margin-top: 5px;
}

.kvkk-checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    cursor: pointer;
}

.kvkk-checkbox-label input[type="checkbox"] {
    margin-top: 4px;
    accent-color: var(--gold-primary);
    width: 17px;
    height: 17px;
    cursor: pointer;
}

.kvkk-checkbox-label span {
    font-size: 0.82rem;
    color: var(--text-muted);
    line-height: 1.5;
}

.kvkk-checkbox-label a {
    color: var(--gold-light);
    text-decoration: underline;
    font-weight: 600;
}

.kvkk-checkbox-label a:hover {
    color: var(--gold-primary);
}

/* Resmî Güvenlik ve Hukuki Mühürler (Trust Seals) */
.official-trust-seals {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
    width: 100%;
    margin-bottom: 35px;
    padding-bottom: 30px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.trust-seal-item {
    background: rgba(15, 23, 42, 0.7);
    border: 1px solid rgba(212, 175, 55, 0.25);
    border-radius: var(--radius-md);
    padding: 16px 14px;
    display: flex;
    align-items: center;
    gap: 14px;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    text-align: left;
}

.trust-seal-item:hover {
    background: rgba(212, 175, 55, 0.1);
    border-color: var(--gold-primary);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
}

.ig-seal {
    border-color: rgba(225, 48, 108, 0.35);
}

.ig-seal:hover {
    background: rgba(225, 48, 108, 0.1);
    border-color: #e1306c;
}

.seal-icon {
    font-size: 1.8rem;
    flex-shrink: 0;
}

.seal-text strong {
    display: block;
    font-size: 0.86rem;
    color: var(--text-primary);
    margin-bottom: 3px;
}

.seal-text span {
    font-size: 0.74rem;
    color: var(--text-muted);
    line-height: 1.3;
    display: block;
}

.footer-legal-links {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    justify-content: center;
    font-size: 0.82rem;
    margin: 10px 0;
}

.footer-legal-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

.footer-legal-links a:hover {
    color: var(--gold-light);
    text-decoration: underline;
}

.legal-sep {
    color: var(--text-muted);
    opacity: 0.5;
}

.official-domain-text {
    font-size: 0.75rem !important;
    color: var(--text-muted);
    margin-top: 4px;
}

.official-domain-text strong {
    color: var(--accent-cyan);
}

/* 17. RESPONSIVE (MOBİL VE TABLET UYUMLULUĞU) */
@media (max-width: 1024px) {
    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 50px;
    }

    .hero-text-col {
        align-items: center;
    }

    .hero-subtitle {
        margin: 0 auto 30px;
    }

    .hero-actions {
        justify-content: center;
    }

    .hero-title {
        font-size: 2.8rem;
    }
    
    .pillars-grid,
    .books-grid,
    .projects-grid,
    .instagram-grid,
    .official-trust-seals {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-grid,
    .contact-card,
    .instagram-cta-box {
        grid-template-columns: 1fr;
    }

    .instagram-cta-box {
        flex-direction: column;
        text-align: center;
    }

    .ig-profile-preview {
        flex-direction: column;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: #060b14;
        flex-direction: column;
        padding: 24px;
        border-bottom: 1px solid var(--border-color);
        gap: 16px;
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero-title {
        font-size: 2.2rem;
    }
    
    .hero-actions {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-actions a {
        width: 100%;
        text-align: center;
    }
    
    .pillars-grid,
    .books-grid,
    .papers-list,
    .projects-grid,
    .bag-grid,
    .hero-stats,
    .instagram-grid,
    .official-trust-seals {
        grid-template-columns: 1fr;
    }
    
    .contact-card {
        padding: 24px;
    }
    
    .modal-card {
        padding: 24px;
    }

    .official-security-strip {
        flex-direction: column;
        gap: 4px;
        border-radius: var(--radius-md);
        text-align: center;
    }

    .strip-divider {
        display: none;
    }

    .hero-3d-wrapper {
        max-width: 320px;
    }

    .float-badge {
        padding: 7px 12px;
    }

    .float-badge .f-icon {
        font-size: 1.2rem;
    }

    .float-badge strong {
        font-size: 0.76rem;
    }

    .float-badge span {
        font-size: 0.65rem;
    }
}

/* ==========================================================================
   14. KİTAPLARDAN ETKİNLİK SAYFALARI BÖLÜMÜ STİLLERİ
   ========================================================================== */
.activities-section {
    background: radial-gradient(circle at 80% 20%, rgba(212, 175, 55, 0.04) 0%, transparent 60%),
                var(--bg-dark);
    position: relative;
}

.activities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 28px;
    margin-top: 35px;
}

.activity-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: var(--transition);
    position: relative;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}

.activity-card:hover {
    transform: translateY(-6px);
    border-color: var(--gold-primary);
    box-shadow: 0 18px 40px rgba(212, 175, 55, 0.2);
}

.activity-thumb-wrapper {
    position: relative;
    height: 220px;
    background: #000;
    overflow: hidden;
}

.activity-thumb {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top center;
    transition: transform 0.5s ease;
}

.activity-card:hover .activity-thumb {
    transform: scale(1.05);
}

.act-badge {
    position: absolute;
    top: 14px;
    left: 14px;
    background: rgba(11, 21, 40, 0.9);
    border: 1px solid var(--gold-primary);
    color: var(--gold-light);
    font-size: 0.75rem;
    font-weight: 700;
    padding: 5px 12px;
    border-radius: 20px;
    backdrop-filter: blur(8px);
    letter-spacing: 0.5px;
}

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

.act-book-tag {
    font-size: 0.78rem;
    color: var(--gold-primary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    margin-bottom: 8px;
    display: inline-block;
}

.activity-body h4 {
    font-size: 1.2rem;
    color: var(--text-primary);
    margin-bottom: 10px;
    line-height: 1.4;
}

.act-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 18px;
    flex-grow: 1;
}

.act-meta-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 18px;
}

.act-meta-tags span {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--gold-light);
    font-size: 0.78rem;
    padding: 4px 10px;
    border-radius: 4px;
}

.act-btn-row button {
    width: 100%;
    text-align: center;
}

/* ==========================================================================
   15. RESMÎ PROGRAM VE SEMİNER VİDEOLARI GALERİSİ STİLLERİ
   ========================================================================== */
.videos-section {
    background: radial-gradient(circle at 20% 80%, rgba(212, 175, 55, 0.05) 0%, transparent 60%),
                var(--bg-card);
    position: relative;
}

.video-filter-bar {
    display: flex;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
    margin: 30px 0 35px;
}

.video-filter-pill {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: var(--text-secondary);
    padding: 9px 20px;
    border-radius: 50px;
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.video-filter-pill:hover {
    border-color: var(--gold-primary);
    color: var(--gold-light);
    transform: translateY(-2px);
}

.video-filter-pill.active {
    background: var(--gold-gradient);
    color: var(--bg-dark);
    border-color: var(--gold-primary);
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.35);
    font-weight: 700;
}

.videos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 26px;
}

.program-video-card {
    background: rgba(11, 21, 40, 0.85);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: var(--transition);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.program-video-card:hover {
    transform: translateY(-6px);
    border-color: var(--gold-primary);
    box-shadow: 0 16px 40px rgba(212, 175, 55, 0.25);
}

.video-thumb-container {
    position: relative;
    height: 180px;
    cursor: pointer;
    overflow: hidden;
}

.video-poster-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #091325, #14223d);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 8px;
    border-bottom: 1px solid rgba(212, 175, 55, 0.2);
    transition: transform 0.4s ease;
}

.video-thumb-container:hover .video-poster-placeholder {
    transform: scale(1.04);
}

.vid-icon {
    font-size: 2.8rem;
}

.vid-time {
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--gold-light);
    background: rgba(0, 0, 0, 0.6);
    padding: 3px 10px;
    border-radius: 20px;
    border: 1px solid rgba(212, 175, 55, 0.4);
    letter-spacing: 0.5px;
}

.play-btn-circle {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 52px;
    height: 52px;
    background: var(--gold-gradient);
    color: var(--bg-dark);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    box-shadow: 0 0 25px rgba(212, 175, 55, 0.6);
    transition: transform 0.3s ease;
}

.video-thumb-container:hover .play-btn-circle {
    transform: translate(-50%, -50%) scale(1.15);
}

.video-card-body {
    padding: 22px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.vid-institution-badge {
    font-size: 0.76rem;
    color: var(--gold-primary);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    margin-bottom: 8px;
}

.video-card-body h4 {
    font-size: 1.15rem;
    color: var(--text-primary);
    margin-bottom: 10px;
    line-height: 1.4;
}

.video-card-body p {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.55;
    margin-bottom: 18px;
    flex-grow: 1;
}

.btn-watch-video {
    background: rgba(212, 175, 55, 0.12);
    border: 1px solid var(--gold-primary);
    color: var(--gold-light);
    padding: 10px 18px;
    border-radius: 50px;
    font-size: 0.88rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    width: 100%;
}

.btn-watch-video:hover {
    background: var(--gold-gradient);
    color: var(--bg-dark);
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.3);
}

/* Çark Döndürme Keyframe Animasyonu */
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}