/* ===== GONG MEDIA - CSS TEMA VE STILLER (AÇIK TEMA) ===== */

/* --- ROOT VARIABLES --- */
:root {
    /* Renk Paleti - Açık Tema */
    --bg-dark: #f8f9fa; /* Açık gri ana arka plan */
    --bg-card: #ffffff; /* Beyaz kartlar */
    --bg-card-hover: #ffffff;
    --text-main: #111111; /* Koyu metin */
    --text-muted: #555555; /* Gri metin */
    --color-primary: #003399;    /* GONG yazısındaki Koyu Mavi */
    --color-secondary: #FF6600;  /* MEDIA yazısındaki Turuncu */
    --color-accent: #00C3FF;     /* G ikonundaki Açık Mavi (Cyan) */
    
    /* Tipografi */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Gradientler */
    --gradient-brand: linear-gradient(135deg, var(--color-accent) 0%, var(--color-primary) 100%);
    --gradient-glow: linear-gradient(135deg, rgba(0, 195, 255, 0.2) 0%, rgba(0, 51, 153, 0.2) 100%);
    
    /* Efektler */
    --transition-fast: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}

/* --- RESET & TEMEL AYARLAR --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, .logo {
    font-family: var(--font-heading);
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* YARDIMCI SINIFLAR (Utility) */
.gradient-text {
    background: var(--gradient-brand);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

/* Butonlar */
.btn-primary, .btn-secondary {
    display: inline-block;
    padding: 0.8rem 1.8rem;
    border-radius: 50px;
    font-weight: 600;
    font-family: var(--font-heading);
    transition: var(--transition-fast);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn-primary {
    background: linear-gradient(135deg, #33D1FF 0%, var(--color-accent) 100%);
    color: #111; /* Açık mavi üzerinde koyu renk daha okunur ve dikkat çeker */
    box-shadow: 0 4px 15px rgba(0, 195, 255, 0.3);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: linear-gradient(135deg, #FFAA00 0%, var(--color-secondary) 100%);
    z-index: -1;
    opacity: 0;
    transition: var(--transition-fast);
}

.btn-primary:hover::before {
    opacity: 1;
}

.btn-primary:hover {
    color: #fff; /* Turuncu arka plana geçerken yazıyı beyaz yapıyoruz */
    box-shadow: 0 8px 25px rgba(255, 102, 0, 0.3);
    transform: translateY(-2px);
}

.btn-secondary {
    background: transparent;
    color: var(--text-main);
    border: 1px solid rgba(0,0,0,0.1);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(0,0,0,0.05);
    transform: translateY(-2px);
}

.btn-large {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
}

/* --- NAVBAR --- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    padding: 1.5rem 0;
    transition: var(--transition-fast);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    padding: 1rem 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    box-shadow: 0 4px 20px rgba(0,0,0,0.03);
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.8rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    position: relative;
    z-index: 10;
}

.logo-circle {
    display: inline-block;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--gradient-brand);
}

.logo .highlight {
    color: var(--color-primary);
    font-weight: 300;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2.5rem;
}

.nav-links li a:not(.btn-primary) {
    font-weight: 500;
    color: var(--text-muted);
    transition: var(--transition-fast);
    font-family: var(--font-heading);
}

.nav-links li a:not(.btn-primary):hover {
    color: var(--text-main);
}

.mobile-menu-btn {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    z-index: 10;
}

/* --- HERO SECTION --- */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding-top: 80px;
    text-align: center;
    overflow: hidden;
}

/* Arka plan videosu */
.hero-video-container {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0; left: 0;
    z-index: 0;
    overflow: hidden;
}

.hero-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.video-overlay {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: radial-gradient(circle, rgba(255,255,255,0.9) 0%, rgba(255,255,255,0.4) 100%);
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
    padding: 0 2rem;
}

.badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    border-radius: 50px;
    background: rgba(0, 102, 204, 0.08);
    color: var(--color-primary);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(0, 102, 204, 0.15);
}

.hero-title {
    font-size: clamp(3rem, 5vw, 5.5rem);
    line-height: 1.1;
    letter-spacing: -1px;
    margin-bottom: 1.5rem;
}

.hero-desc {
    font-size: clamp(1.1rem, 2vw, 1.3rem);
    color: var(--text-muted);
    max-width: 700px;
    margin: 0 auto 3rem;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Scroll Ok animasyonu */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
}

.mouse {
    width: 26px;
    height: 40px;
    border: 2px solid var(--text-muted);
    border-radius: 20px;
    display: block;
    position: relative;
}

.wheel {
    width: 4px;
    height: 6px;
    background: var(--text-main);
    border-radius: 2px;
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 1.5s infinite;
}

@keyframes scroll {
    0% { top: 6px; opacity: 1; }
    100% { top: 20px; opacity: 0; }
}

/* --- SERVICES SECTION --- */
.services {
    padding: 100px 0;
    position: relative;
    z-index: 2;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-muted);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--bg-card);
    border: 1px solid rgba(0, 0, 0, 0.05);
    border-radius: 24px;
    padding: 2.5rem;
    transition: var(--transition-slow);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.03);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: var(--gradient-brand);
    opacity: 0;
    transition: var(--transition-slow);
    z-index: 0;
}

.service-card > * {
    position: relative;
    z-index: 1;
}

.service-card:hover {
    transform: translateY(-10px);
    border-color: rgba(0, 0, 0, 0.1);
    box-shadow: 0 20px 40px rgba(0,0,0,0.08);
}

.service-card:hover::before {
    opacity: 0.03; /* Açık temada hafif arka plan */
}

.card-icon {
    width: 60px;
    height: 60px;
    background: rgba(0, 0, 0, 0.02);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: var(--color-secondary);
    margin-bottom: 1.5rem;
    border: 1px solid rgba(0, 0, 0, 0.05);
    transition: var(--transition-fast);
}

.service-card:hover .card-icon {
    background: linear-gradient(135deg, #FFAA00 0%, var(--color-secondary) 100%);
    color: #fff;
    transform: scale(1.1) rotate(5deg);
    border-color: transparent;
    box-shadow: 0 5px 15px rgba(255, 102, 0, 0.3);
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.service-card p {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

.service-list li {
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: #444;
}

.service-list i {
    color: var(--color-secondary);
    font-size: 0.8rem;
}

/* --- EQUIPMENT SECTION --- */
.equipment {
    padding: 100px 0;
    background: linear-gradient(180deg, var(--bg-dark) 0%, #e9ecef 100%);
    position: relative;
}

.equipment-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.tech-stack {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-top: 2.5rem;
}

.tech-item {
    background: #ffffff;
    padding: 1rem;
    border-radius: 12px;
    display: flex;
    align-items: center;
    gap: 1rem;
    border: 1px solid rgba(0, 0, 0, 0.05);
    font-family: var(--font-heading);
    font-weight: 500;
    transition: var(--transition-fast);
}

.tech-item:hover {
    background: #f8f9fa;
    border-color: var(--color-secondary);
    transform: translateX(5px);
}

.tech-item i {
    color: var(--color-secondary);
    font-size: 1.2rem;
    transition: var(--transition-fast);
}

.tech-item:hover i {
    transform: scale(1.2);
}

.equipment-image {
    position: relative;
    height: 500px;
    border-radius: 30px;
    background: url('https://images.unsplash.com/photo-1516035069371-29a1b244cc32?auto=format&fit=crop&q=80&w=1000') center/cover no-repeat;
    box-shadow: 0 30px 60px rgba(0,0,0,0.15);
}

.equipment-image::after {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    border-radius: 30px;
    background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, rgba(0, 102, 204, 0.1) 100%);
}

.glass-panel {
    position: absolute;
    bottom: -30px;
    right: -30px;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(0, 0, 0, 0.05);
    padding: 2rem;
    border-radius: 20px;
    z-index: 2;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.stat-circle {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    font-family: var(--font-heading);
    background: var(--gradient-brand);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-muted);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* --- FOOTER / CONTACT --- */
.footer {
    padding: 80px 0 30px;
    background: #ffffff;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
}

.footer-cta {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 4rem;
}

.footer-cta h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.footer-cta p {
    color: var(--text-muted);
    margin-bottom: 2rem;
}

.contact-info {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.contact-link {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    font-size: 1.1rem;
    color: var(--text-main);
    transition: var(--transition-fast);
}

.contact-link i {
    color: var(--color-secondary);
}

.contact-link:hover {
    color: var(--color-primary);
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.social-links a {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.03);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-main);
    transition: var(--transition-fast);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.social-links a:hover {
    background: linear-gradient(135deg, #FFAA00 0%, var(--color-secondary) 100%);
    color: #fff;
    border-color: transparent;
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(255, 102, 0, 0.3);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
}

.footer-logo {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.2rem;
}

.footer-logo .highlight {
    color: var(--color-primary);
    font-weight: 300;
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* --- PARTNERS / REFERENCES SECTION --- */
.partners {
    padding: 60px 0;
    background: #ffffff;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    overflow: hidden;
}

.partners-container {
    max-width: 1280px;
    margin: 0 auto;
}

.partners-title {
    text-align: center;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted);
    letter-spacing: 2px;
    margin-bottom: 2rem;
}

.partners-track-wrapper {
    position: relative;
    width: 100%;
    overflow: hidden;
}

.partners-track-wrapper::before,
.partners-track-wrapper::after {
    content: '';
    position: absolute;
    top: 0;
    width: 15%;
    height: 100%;
    z-index: 2;
}

.partners-track-wrapper::before {
    left: 0;
    background: linear-gradient(to right, rgba(255,255,255,1) 0%, rgba(255,255,255,0) 100%);
}

.partners-track-wrapper::after {
    right: 0;
    background: linear-gradient(to left, rgba(255,255,255,1) 0%, rgba(255,255,255,0) 100%);
}

.partners-track {
    display: flex;
    align-items: center;
    gap: 4rem;
    width: max-content;
    animation: scrollLogos 30s linear infinite;
}

.partner-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3.5rem; /* AWS, Google vb fontawesome ikonları için */
    color: #a0a0b2;
    transition: var(--transition-fast);
    filter: grayscale(100%) opacity(0.5);
    cursor: pointer;
}

.partner-logo img {
    height: 40px;
    width: auto;
    object-fit: contain;
}

.partner-logo:hover {
    filter: grayscale(0%) opacity(1);
    color: var(--color-secondary);
    transform: scale(1.1);
}

@keyframes scrollLogos {
    0% { transform: translateX(0); }
    100% { transform: translateX(calc(-50% - 2rem)); }
}

/* --- ANIMASYONLAR --- */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* --- WHATSAPP FLOATING BUTTON --- */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background-color: #25d366;
    color: #fff;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 32px;
    box-shadow: 0 10px 20px rgba(37, 211, 102, 0.3);
    z-index: 1000;
    transition: var(--transition-fast);
    text-decoration: none;
}

.whatsapp-float:hover {
    transform: scale(1.1) translateY(-5px);
    box-shadow: 0 15px 30px rgba(37, 211, 102, 0.5);
    color: #fff;
}

.whatsapp-popup {
    position: absolute;
    right: 75px;
    background-color: #fff;
    color: #333;
    padding: 10px 20px;
    border-radius: 10px;
    font-size: 0.95rem;
    font-family: var(--font-body);
    font-weight: 500;
    white-space: nowrap;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    opacity: 0;
    visibility: hidden;
    transform: translateX(20px);
    transition: var(--transition-fast);
}

.whatsapp-popup::after {
    content: '';
    position: absolute;
    top: 50%;
    right: -6px;
    transform: translateY(-50%);
    border-width: 6px 0 6px 6px;
    border-style: solid;
    border-color: transparent transparent transparent #fff;
}

.whatsapp-float:hover .whatsapp-popup {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
}

/* --- RESPONSIVE DESIGN (Mobil Uyumluluk) --- */
@media (max-width: 900px) {
    .equipment-wrapper {
        grid-template-columns: 1fr;
    }
    .equipment-image {
        height: 350px;
        order: -1;
        margin-bottom: 2rem;
    }
    .glass-panel {
        bottom: 10px;
        right: 10px;
        padding: 1.5rem;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none; /* Basitlik için mobilde gizlenir, JS ile menü açılır yapılabilir */
    }
    .mobile-menu-btn {
        display: block;
    }
    .hero-title {
        font-size: 2.5rem;
    }
    .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    .contact-info {
        flex-direction: column;
        gap: 1rem;
    }
}