/* ============================================
   SEBS GLOBAL - FRONTEND ENHANCEMENTS
   Kurumsal, Interaktif, Göz Alıcı
   ============================================ */

/* Scroll Reveal - Görünürlük Animasyonları */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}
.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* Hero Logo - SEBS logosu vurgusu */
.hero-logo-wrap {
    margin-bottom: 1.5rem;
    animation: fadeInUp 0.8s ease 0.2s both;
}
.hero-logo-wrap img {
    width: min(110px, 28vw);
    height: auto;
    max-height: 100px;
    aspect-ratio: 1;
    object-fit: contain;
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}
.hero-logo-wrap:hover img {
    transform: scale(1.05);
    box-shadow: 0 12px 40px rgba(30, 64, 175, 0.25);
}

/* category-card button versiyonu (modules/simulations sayfaları) */
.category-card-btn {
    cursor: pointer;
    border: none;
    font-family: inherit;
    text-align: left;
}
.category-card-btn:focus {
    outline: none;
}

/* Eğitim Alanları - Görselli Kartlar Grid */
.category-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr));
    gap: 1.5rem;
    max-width: 100%;
    margin: 2rem auto 0;
}

.category-card {
    position: relative;
    overflow: hidden;
    border-radius: 20px;
    aspect-ratio: 16/9;
    min-height: 140px;
    display: flex;
    align-items: flex-end;
    background-size: cover;
    background-position: center;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
}
.category-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(5, 5, 8, 0.95) 0%, rgba(5, 5, 8, 0.4) 50%, transparent 100%);
    transition: opacity 0.4s ease;
}
.category-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 24px 48px rgba(0, 0, 0, 0.4);
}
.category-card:hover::before {
    background: linear-gradient(to top, rgba(5, 5, 8, 0.9) 0%, rgba(30, 64, 175, 0.2) 100%);
}
.category-card-content {
    position: relative;
    z-index: 2;
    padding: 1.5rem;
    width: 100%;
}
.category-card-content i {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    color: rgba(212, 168, 83, 0.9);
    transition: transform 0.3s ease;
}
.category-card:hover .category-card-content i {
    transform: scale(1.2);
}
.category-card-content span {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.15rem;
    font-weight: 700;
    color: #fff;
    display: block;
}

/* Feature Card - Görselli */
.feature-card-image {
    height: 140px;
    background-size: cover;
    background-position: center;
    margin: -2.5rem -2.5rem 1.5rem -2.5rem;
    border-radius: 16px 16px 0 0;
    transition: transform 0.5s ease;
}
.feature-card:hover .feature-card-image {
    transform: scale(1.08);
}

/* Simulation Card - Görselli */
.simulation-card-image {
    height: 160px;
    background-size: cover;
    background-position: center;
    margin: -2.5rem -2.5rem 1.5rem -2.5rem;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    transition: transform 0.5s ease;
}
.simulation-card:hover .simulation-card-image {
    transform: scale(1.05);
}

/* Buton Ripple Etkisi */
.btn-primary, .btn-signup, .tab-btn, .category-card {
    position: relative;
    overflow: hidden;
}
.btn-primary:active::after,
.btn-signup:active::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at var(--x, 50%) var(--y, 50%), rgba(255,255,255,0.3) 0%, transparent 70%);
    animation: ripple 0.6s ease-out;
}
@keyframes ripple {
    to { transform: scale(2); opacity: 0; }
}

/* Tab Hover - Daha Belirgin */
.tab-btn, .category-card {
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}
.tab-btn:active {
    transform: scale(0.98);
}

/* CTA Section - Daha Etkileyici */
.cta-content h2 {
    font-family: 'Cormorant Garamond', serif;
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 600;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}
.cta-content p {
    font-size: 1.15rem;
    opacity: 0.9;
    margin-bottom: 2rem;
}

/* Stat Card - Hover Pulse */
.stat-card {
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.stat-card:hover .stat-number {
    color: #fff;
}

/* Smooth Scroll Link */
a[href^="#"] {
    scroll-behavior: smooth;
}

/* Focus Visible - Erişilebilirlik */
button:focus-visible,
a:focus-visible {
    outline: 2px solid rgba(212, 168, 83, 0.8);
    outline-offset: 2px;
}

/* Loading State */
.btn-primary.loading,
.btn-signup.loading {
    pointer-events: none;
    opacity: 0.8;
}
.btn-primary.loading::after,
.btn-signup.loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border: 2px solid transparent;
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
}
@keyframes spin {
    to { transform: translateY(-50%) rotate(360deg); }
}

/* Responsive - Eğitim kartları mobil */
@media (max-width: 640px) {
    .category-cards-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    .category-card {
        min-height: 120px;
    }
}

@media (max-width: 768px) {
    .section-header {
        text-align: center;
        padding-left: 0.25rem;
        padding-right: 0.25rem;
    }
    .section-title {
        line-height: 1.15;
    }
    .section-subtitle {
        max-width: 36rem;
        margin-left: auto;
        margin-right: auto;
    }
}

/* ============================================
   MODULES & SIMULATIONS - Görselli Kartlar
   ============================================ */

/* simulation-card-detailed üst görsel */
.simulation-card-detailed .card-image-top {
    height: 140px;
    background-size: cover;
    background-position: center;
    margin: -2.5rem -2.5rem 1.5rem -2.5rem;
    border-radius: 16px 16px 0 0;
    transition: transform 0.5s ease;
}
.simulation-card-detailed:hover .card-image-top {
    transform: scale(1.05);
}

/* Kategori fallback - sadece data-image yoksa uygulanır */
.simulation-card-detailed[data-category="cybersecurity"]:not([data-image]) .card-image-top { background-image: url('https://images.unsplash.com/photo-1563986768609-322da13575f3?w=600&q=80'); }
.simulation-card-detailed[data-category="cloud"]:not([data-image]) .card-image-top { background-image: url('https://images.unsplash.com/photo-1451187580459-43490279c0fa?w=600&q=80'); }
.simulation-card-detailed[data-category="data-science"]:not([data-image]) .card-image-top { background-image: url('https://images.unsplash.com/photo-1551288049-bebda4e38f71?w=600&q=80'); }
.simulation-card-detailed[data-category="technology"]:not([data-image]) .card-image-top { background-image: url('https://images.unsplash.com/photo-1518770660439-4636190af475?w=600&q=80'); }
.simulation-card-detailed[data-category="business"]:not([data-image]) .card-image-top { background-image: url('https://images.unsplash.com/photo-1552664730-d307ca884978?w=600&q=80'); }
.simulation-card-detailed[data-category="personal"]:not([data-image]) .card-image-top { background-image: url('https://images.unsplash.com/photo-1522202176988-66273c2fd55f?w=600&q=80'); }
/* Başlıkla alakalı görseller - data-image ile (önce gelen fallback’i geçersiz kılar) */
.simulation-card-detailed[data-image="cyber-intro"] .card-image-top { background-image: url('https://images.unsplash.com/photo-1563986768609-322da13575f3?w=600&q=80'); }
.simulation-card-detailed[data-image="network"] .card-image-top { background-image: url('https://images.unsplash.com/photo-1558494949-ef010cbdcc31?w=600&q=80'); }
.simulation-card-detailed[data-image="os-security"] .card-image-top { background-image: url('https://images.unsplash.com/photo-1517694712202-14dd9538aa97?w=600&q=80'); }
.simulation-card-detailed[data-image="crypto"] .card-image-top { background-image: url('https://images.unsplash.com/photo-1614064548237-7042ac541c7a?w=600&q=80'); }
.simulation-card-detailed[data-image="social-eng"] .card-image-top { background-image: url('https://images.unsplash.com/photo-1521791055366-0d553872125f?w=600&q=80'); }
.simulation-card-detailed[data-image="web-security"] .card-image-top { background-image: url('https://images.unsplash.com/photo-1504639725590-34d0984388bd?w=600&q=80'); }
.simulation-card-detailed[data-image="malware"] .card-image-top { background-image: url('https://images.unsplash.com/photo-1633265486064-086b219458ec?w=600&q=80'); }
.simulation-card-detailed[data-image="soc"] .card-image-top { background-image: url('https://images.unsplash.com/photo-1550751827-4bd374c3f58b?w=600&q=80'); }
.simulation-card-detailed[data-image="forensics"] .card-image-top { background-image: url('https://images.unsplash.com/photo-1563013544-824ae1b704d3?w=600&q=80'); }
.simulation-card-detailed[data-image="pentest"] .card-image-top { background-image: url('https://images.unsplash.com/photo-1550751827-4bd374c3f58b?w=600&q=80'); }
.simulation-card-detailed[data-image="threat-intel"] .card-image-top { background-image: url('https://images.unsplash.com/photo-1551288049-bebda4e38f71?w=600&q=80'); }
.simulation-card-detailed[data-image="aws"] .card-image-top { background-image: url('https://images.unsplash.com/photo-1544197151-b4242d8b2a50?w=600&q=80'); }
.simulation-card-detailed[data-image="azure"] .card-image-top { background-image: url('https://images.unsplash.com/photo-1633356122544-f134324a6cee?w=600&q=80'); }
.simulation-card-detailed[data-image="gcp"] .card-image-top { background-image: url('https://images.unsplash.com/photo-1544197151-b4242d8b2a50?w=600&q=80'); }
.simulation-card-detailed[data-image="cloud-security"] .card-image-top { background-image: url('https://images.unsplash.com/photo-1451187580459-43490279c0fa?w=600&q=80'); }
.simulation-card-detailed[data-image="python-data"] .card-image-top { background-image: url('https://images.unsplash.com/photo-1526379095098-d400fd0bf935?w=600&q=80'); }
.simulation-card-detailed[data-image="ml"] .card-image-top { background-image: url('https://images.unsplash.com/photo-1677442136019-21780ecad995?w=600&q=80'); }
.simulation-card-detailed[data-image="deep-learning"] .card-image-top { background-image: url('https://images.unsplash.com/photo-1677442136019-21780ecad995?w=600&q=80'); }
.simulation-card-detailed[data-image="web-dev"] .card-image-top { background-image: url('https://images.unsplash.com/photo-1461749280684-dccba630e2f6?w=600&q=80'); }
.simulation-card-detailed[data-image="mobile"] .card-image-top { background-image: url('https://images.unsplash.com/photo-1512941937669-90a1b58e7e9c?w=600&q=80'); }
.simulation-card-detailed[data-image="project-mgmt"] .card-image-top { background-image: url('https://images.unsplash.com/photo-1552664730-d307ca884978?w=600&q=80'); }
.simulation-card-detailed[data-image="digital-mkt"] .card-image-top { background-image: url('https://images.unsplash.com/photo-1460925895917-afdab827c52f?w=600&q=80'); }
.simulation-card-detailed[data-image="communication"] .card-image-top { background-image: url('https://images.unsplash.com/photo-1522202176988-66273c2fd55f?w=600&q=80'); }
.simulation-card-detailed[data-image="time-mgmt"] .card-image-top { background-image: url('https://images.unsplash.com/photo-1506784983877-45594efa4cbe?w=600&q=80'); }