:root {
    --font-serif: 'Cormorant Garamond', serif;
    --font-sans: 'Inter', sans-serif;
    --color-gold: #c5a880; 
    --color-dark: #0a0a0a;
}

html { scroll-behavior: smooth; }
* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: var(--font-sans);
    background-color: var(--color-dark); 
    color: #ffffff;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* Preloader */
.intro-overlay {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background-color: #0d0d0d; z-index: 1000;
    display: flex; justify-content: center; align-items: center;
    transition: transform 1.2s cubic-bezier(0.85, 0, 0.15, 1);
}
.intro-logo-container { position: relative; max-width: 220px; width: 100%; opacity: 0; animation: logoFadeIn 0.6s ease forwards 0.2s; }
.intro-premium-logo { width: 100%; height: auto; }
.shimmer-sweep {
    position: absolute; top: 0; left: -150%; width: 100%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 244, 224, 0.3), transparent);
    transform: skewX(-30deg); animation: premiumGlow 1s ease forwards 0.5s;
}
@keyframes logoFadeIn { to { opacity: 1; } }
@keyframes premiumGlow { to { left: 150%; } }
.intro-overlay.hide { transform: translateY(-100%); }

/* Navbar */
.navbar {
    position: fixed; top: 0; left: 0; width: 100%;
    display: flex; justify-content: space-between; align-items: flex-start;
    padding: 20px 40px 20px 0; z-index: 90;
    transition: all 0.5s ease;
}
.nav-brand { margin-left: -15px; margin-top: -15px; }
.main-logo { height: 140px; width: auto; transition: all 0.4s ease; filter: brightness(0) invert(1); }

.navbar.scrolled {
    align-items: center; padding: 15px 40px;
    background-color: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 4px 30px rgba(0,0,0,0.5);
}
.navbar.scrolled .nav-brand { margin-left: 0; margin-top: 0; }
.navbar.scrolled .main-logo { height: 60px; filter: none; }

.nav-links-wrapper { position: relative; margin-top: 25px; transition: margin-top 0.4s ease; }
.navbar.scrolled .nav-links-wrapper { margin-top: 0; }
.nav-links { display: flex; gap: 40px; }
.nav-link { font-size: 11px; text-transform: uppercase; letter-spacing: 2.5px; color: rgba(255, 255, 255, 0.6); text-decoration: none; padding: 10px 0; }
.nav-link:hover { color: var(--color-gold); }

.nav-cta { margin-top: 25px; transition: margin-top 0.4s ease; }
.navbar.scrolled .nav-cta { margin-top: 0; }
.btn-minimal { font-size: 11px; text-transform: uppercase; letter-spacing: 2px; color: #fff; text-decoration: none; padding: 10px 20px; border: 1px solid rgba(197, 168, 128, 0.3); transition: all 0.4s ease; }
.btn-minimal:hover { color: #000; background-color: #fff; border-color: #fff; }

/* Hero */
.hero-section { position: relative; height: 100vh; width: 100%; display: flex; justify-content: center; align-items: center; overflow: hidden; background: #000; perspective: 1000px; }
.hero-video-container { position: absolute; top: 0; left: 0; width: 100%; height: 100%; z-index: 1; }
.hero-video { width: 100%; height: 100%; object-fit: cover; opacity: 0.7; }
.hero-overlay-dark { position: absolute; top: 0; left: 0; width: 100%; height: 100%; z-index: 2; background: radial-gradient(circle, transparent 20%, #000 90%); }

.kreatif-frame { position: relative; z-index: 10; width: 85%; max-width: 1100px; padding: 60px 40px; border: 1px solid rgba(255, 255, 255, 0.02); background-color: rgba(0, 0, 0, 0.4); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); text-align: center; }
.frame-corner { position: absolute; width: 16px; height: 16px; border: 2px solid var(--color-gold); }
.top-left { top: -2px; left: -2px; border-right: none; border-bottom: none; }
.top-right { top: -2px; right: -2px; border-left: none; border-bottom: none; }
.bottom-left { bottom: -2px; left: -2px; border-right: none; border-top: none; }
.bottom-right { bottom: -2px; right: -2px; border-left: none; border-top: none; }

.hero-subtitle { font-size: 11px; letter-spacing: 6px; color: var(--color-gold); margin-bottom: 20px; font-weight: 500; }
.hero-title { font-size: 5.5vw; font-weight: 900; letter-spacing: -1px; margin-bottom: 25px; background: linear-gradient(135deg, #ffffff 10%, #fff2d4 40%, #c5a880 80%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; display: block !important; visibility: visible !important; opacity: 1 !important; }
.hero-description { font-size: 15px; font-weight: 300; line-height: 1.8; max-width: 600px; margin: 0 auto 35px auto; color: rgba(255, 255, 255, 0.7); }

.btn-primary { display: inline-block; padding: 16px 45px; color: var(--color-gold); border: 1px solid rgba(197, 168, 128, 0.4); text-transform: uppercase; letter-spacing: 2px; font-size: 11px; font-weight: 600; text-decoration: none; transition: all 0.3s; }
.btn-primary:hover { background-color: var(--color-gold); color: #000; }

/* Kayan Galeri */
.horizontal-marquee-section { position: relative; padding: 120px 0; background-color: #070707; overflow: hidden; border-bottom: 1px solid rgba(255,255,255,0.02); }
.marquee-intro { text-align: center; margin-bottom: 60px; }
.marquee-intro h2 { font-family: var(--font-serif); font-size: 3rem; font-weight: 300; }

.marquee-track-container { width: 100%; overflow: hidden; padding: 20px 0; position: relative; }
.marquee-track { display: flex; width: max-content; gap: 30px; animation: scrollMarquee 38s linear infinite; }
.marquee-track:hover { animation-play-state: paused; }

.marquee-item { width: 500px; display: flex; flex-direction: column; gap: 15px; }
.marquee-img-box { width: 100%; aspect-ratio: 3 / 2; overflow: hidden; border: 1px solid rgba(255,255,255,0.04); background: #000000; }
.marquee-img-box img { width: 100%; height: 100%; object-fit: cover !important; transition: transform 0.6s cubic-bezier(0.25, 1, 0.5, 1); }
.marquee-item:hover .marquee-img-box img { transform: scale(1.04); }

.marquee-meta span { font-size: 10px; letter-spacing: 2px; color: var(--color-gold); font-weight: 600; }
.marquee-meta h3 { font-family: var(--font-serif); font-size: 1.6rem; font-weight: 300; margin-top: 4px; color: #fff; }

@keyframes scrollMarquee { 0% { transform: translateX(0); } 100% { transform: translateX(calc(-530px * 6)); } }

.portfolio-ambient-glow { position: absolute; border-radius: 50%; filter: blur(150px); opacity: 0.1; pointer-events: none; }
.glow-1 { top: -10%; left: -10%; width: 500px; height: 500px; background: var(--color-gold); }
.glow-2 { bottom: -10%; right: -10%; width: 500px; height: 500px; background: #8a6f48; }

/* Hakkımda */
.about-luxury-section { position: relative; padding: 120px 0; background-color: #0b0b0b; }
.about-grid { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 60px; align-items: center; }
.about-text-block h2 { font-family: var(--font-serif); font-size: 3rem; font-weight: 300; margin-bottom: 25px; }
.premium-lead-paragraph { font-size: 17px; line-height: 1.8; color: rgba(255,255,255,0.85); margin-bottom: 20px; border-left: 2px solid var(--color-gold); padding-left: 15px; }
.premium-sub-paragraph { font-size: 14px; line-height: 1.8; color: rgba(255,255,255,0.55); }
.about-mockup-frame { width: 100%; aspect-ratio: 3/2; overflow: hidden; border: 1px solid rgba(255,255,255,0.02); }
.about-premium-img { width: 100%; height: 100%; object-fit: cover !important; }

/* Form Temel Alanı */
.premium-form-section { position: relative; padding: 150px 0; background-color: #070708; border-top: 1px solid rgba(255,255,255,0.01); border-bottom: 1px solid rgba(255,255,255,0.01); overflow: hidden; }
.premium-form-section::before { content: ''; position: absolute; top: -40%; left: -30%; width: 160%; height: 160%; background: radial-gradient(circle at 20% 30%, rgba(197, 168, 128, 0.09) 0%, transparent 45%), radial-gradient(circle at 80% 70%, rgba(138, 111, 72, 0.07) 0%, transparent 50%), radial-gradient(circle at 50% 50%, rgba(20, 18, 15, 1) 0%, transparent 70%); animation: luxuryAuraRotation 22s cubic-bezier(0.45, 0.05, 0.55, 0.95) infinite alternate; pointer-events: none; z-index: 1; }

.container-small { width: 85%; max-width: 900px; margin: 0 auto; position: relative; z-index: 2; }
.form-header { text-align: center; margin-bottom: 80px; }
.form-header h2 { font-family: var(--font-serif); font-size: 3.6rem; font-weight: 300; margin: 15px 0; letter-spacing: -0.5px; background: linear-gradient(135deg, #ffffff 40%, #ffe9cc 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.form-header p { color: rgba(255, 255, 255, 0.45); font-size: 15px; max-width: 580px; margin: 0 auto; line-height: 1.8; }

.form-wrapper-relative { position: relative; width: 100%; }
.luxury-studio-form { display: flex; flex-direction: column; gap: 60px; }
.form-row { display: grid; grid-template-columns: repeat(2, 1fr); gap: 50px; }

.form-field { position: relative; width: 100%; }
.form-field input, .form-field textarea { width: 100%; padding: 16px 0; background: transparent; border: none; border-bottom: 1px solid rgba(255, 255, 255, 0.08); color: #ffffff; font-family: var(--font-sans); font-size: 15px; font-weight: 300; outline: none; transition: all 0.4s ease; }
.form-field textarea { resize: vertical; }

.form-field label { position: absolute; top: 16px; left: 0; color: rgba(255, 255, 255, 0.35); font-size: 14px; font-weight: 300; pointer-events: none; transition: all 0.4s cubic-bezier(0.25, 1, 0.5, 1); }
.form-field input:focus ~ label, .form-field input:not(:placeholder-shown) ~ label, .form-field textarea:focus ~ label, .form-field textarea:not(:placeholder-shown) ~ label { top: -16px; font-size: 11px; color: var(--color-gold); letter-spacing: 1px; }
.input-border-line { position: absolute; bottom: 0; left: 0; width: 0; height: 1px; background-color: var(--color-gold); transition: width 0.4s cubic-bezier(0.25, 1, 0.5, 1); }
.form-field input:focus ~ .input-border-line, .form-field textarea:focus ~ .input-border-line { width: 100%; }

.form-group-chips { display: flex; flex-direction: column; gap: 24px; }
.form-group-label { font-size: 11.5px; text-transform: uppercase; letter-spacing: 2.5px; color: rgba(197, 168, 128, 0.85); font-weight: 600; line-height: 1.5; }
.luxury-chips-wrapper { display: flex; gap: 16px; row-gap: 20px; flex-wrap: wrap !important; width: 100%; }

.luxury-chip { flex: 1 1 calc(25% - 16px); min-width: 180px; text-align: center; white-space: nowrap; padding: 16px 20px; border: 1px solid rgba(255, 255, 255, 0.05); background-color: rgba(255, 255, 255, 0.01); color: rgba(255, 255, 255, 0.5); font-size: 12px; font-weight: 500; letter-spacing: 1.5px; text-transform: uppercase; cursor: pointer; transition: all 0.4s cubic-bezier(0.25, 1, 0.5, 1); }
.luxury-chip:hover { border-color: rgba(197, 168, 128, 0.3); color: #ffffff; background-color: rgba(197, 168, 128, 0.02); }
.luxury-chip.selected { background-color: rgba(197, 168, 128, 0.07) !important; border: 1px solid var(--color-gold) !important; color: var(--color-gold) !important; font-weight: 600; box-shadow: 0 0 30px rgba(197, 168, 128, 0.25); text-shadow: 0 0 10px rgba(197, 168, 128, 0.3); }

.form-submit-wrapper { margin-top: 30px; display: flex; justify-content: flex-end; }
.btn-form-submit { background: transparent; border: 1px solid var(--color-gold); color: #ffffff; padding: 20px 50px; font-family: var(--font-sans); font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 3px; cursor: pointer; position: relative; overflow: hidden; transition: all 0.4s cubic-bezier(0.25, 1, 0.5, 1); }
.btn-form-submit:hover { background-color: var(--color-gold); color: #000000; transform: translateY(-3px); box-shadow: 0 15px 40px rgba(197, 168, 128, 0.3); }

/* ========================================================
   REVIZE: ULTRA-MODERN SİBER-LÜKS POP-UP (MODAL) PORTALI
   ======================================================== */
.luxury-popup-portal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(6, 6, 7, 0.88); /* Lüks cam puslu karartı */
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    z-index: 2000; /* Preloader ve Navbar'ın da üst katmanına kitler */
    display: flex;
    align-items: center;
    justify-content: center;
    
    /* Başlangıçta gizli ve uykuda kanka */
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: all 0.6s cubic-bezier(0.25, 1, 0.5, 1);
}

/* JavaScript tetiklediğinde pürüzsüzce parlayacak sınıf kanka */
.luxury-popup-portal.is-active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.luxury-popup-card {
    background-color: #0b0b0d;
    border: 1px solid rgba(197, 168, 128, 0.15);
    padding: 60px 40px;
    max-width: 580px;
    width: 90%;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    box-shadow: 0 40px 90px rgba(0, 0, 0, 0.8), 0 0 50px rgba(197, 168, 128, 0.05);
    
    /* Kartın süzülme esnemesi */
    transform: scale(0.9);
    transition: transform 0.6s cubic-bezier(0.25, 1, 0.5, 1);
}

.luxury-popup-portal.is-active .luxury-popup-card {
    transform: scale(1);
}

.success-icon-gold {
    width: 90px;
    height: 90px;
    margin-bottom: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(197, 168, 128, 0.3);
    background-color: rgba(197, 168, 128, 0.04);
}
.success-monogram-logo { width: 50px; height: auto; }

.success-title { font-family: var(--font-serif); font-size: 2.6rem; font-weight: 300; color: var(--color-gold); margin-bottom: 20px; letter-spacing: -0.5px; }
.success-desc { font-size: 14.5px; font-weight: 300; line-height: 1.8; color: rgba(255, 255, 255, 0.6); margin-bottom: 35px; }
.success-line-decorator { width: 60px; height: 1px; background: linear-gradient(90deg, transparent, var(--color-gold), transparent); }

/* Felsefe & Alt Yapılar */
.container { width: 85%; max-width: 1200px; margin: 0 auto; }
.grid-content { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.dynamic-bg-section { padding: 120px 0; background: #0e0e0e; }
.text-block h2 { font-family: var(--font-serif); font-size: 3rem; font-weight: 300; margin-bottom: 25px; }
.text-block p { font-size: 14px; line-height: 1.8; color: rgba(255,255,255,0.6); }
.felsefe-mockup-img { width: 100%; aspect-ratio: 3/2; object-fit: cover !important; border: 1px solid rgba(255,255,255,0.02); }
.section-tag { font-size: 10px; letter-spacing: 3px; font-weight: 600; margin-bottom: 10px; display: inline-block; }
.section-tag.gold { color: var(--color-gold); }

.reveal-element { opacity: 0; transform: translateY(30px); transition: all 1s ease; }
.reveal-element.active { opacity: 1; transform: translateY(0); }

/* Premium Footer */
.premium-footer { background-color: #040404; padding: 100px 0 0 0; border-top: 1px solid rgba(197,168,125,0.05); }
.footer-container { width: 85%; max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: 1.5fr 0.8fr 0.8fr 1.2fr; gap: 40px; padding-bottom: 60px; }
.footer-column { display: flex; flex-direction: column; gap: 20px; }
.footer-logo { height: 50px; width: auto; align-self: flex-start; }
.footer-brand-desc { font-size: 13px; color: rgba(255,255,255,0.4); line-height: 1.7; }
.footer-title { font-size: 11px; letter-spacing: 2px; color: var(--color-gold); text-transform: uppercase; }
.footer-links-list { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.footer-link-item { font-size: 13px; color: rgba(255, 255, 255, 0.5); text-decoration: none; }
.footer-link-item:hover { color: #fff; }
.footer-contact-info { font-size: 15px; color: #fff; font-weight: 500; }
.footer-socials { display: flex; gap: 15px; }
.social-icon { font-size: 11px; text-transform: uppercase; color: var(--color-gold); text-decoration: none; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.02); padding: 25px 0; background: #020202; text-align: center; font-size: 11px; color: rgba(255,255,255,0.3); }

/* Hata Validasyon Tasarımları */
.error-text-msg { position: absolute; bottom: -22px; left: 0; font-size: 11px; color: #ff4a4a; letter-spacing: 0.5px; opacity: 0; transform: translateY(-5px); transition: all 0.4s cubic-bezier(0.25, 1, 0.5, 1); pointer-events: none; }
.form-field.has-error input, .form-field.has-error textarea { border-bottom: 1px solid #ff4a4a !important; }
.form-field.has-error .input-border-line { width: 100% !important; background-color: #ff4a4a !important; box-shadow: 0 0 10px rgba(255, 74, 74, 0.3); }
.form-field.has-error label { color: #ff4a4a !important; animation: fieldShake 0.4s cubic-bezier(.36,.07,.19,.97) both; }
.form-field.has-error .error-text-msg { opacity: 1; transform: translateY(0); }

@keyframes fieldShake {
    10%, 90% { transform: translate3d(-1px, 0, 0); }
    20%, 80% { transform: translate3d(2px, 0, 0); }
    30%, 50%, 70% { transform: translate3d(-3px, 0, 0); }
    40%, 60% { transform: translate3d(3px, 0, 0); }
}

@media (max-width: 992px) {
    .grid-content, .about-grid { grid-template-columns: 1fr; gap: 40px; }
    .form-row { grid-template-columns: 1fr; gap: 35px; }
    .luxury-chip { flex: 1 1 calc(50% - 16px); } 
    .footer-container { grid-template-columns: 1fr 1fr; }
    .hero-title { font-size: 3.5rem; }
}
@media (max-width: 576px) {
    .luxury-chip { flex: 1 1 100%; }
    .footer-container { grid-template-columns: 1fr; }
    .marquee-item { width: 320px; }
    @keyframes scrollMarquee { 0% { transform: translateX(0); } 100% { transform: translateX(calc(-350px * 6)); } }
}
.btn-form-submit:disabled {
    opacity: 0.55;
    cursor: not-allowed;
    pointer-events: none;
}