/* ========================================
   Dr. Nedim Bakırcı — Premium Stil Dosyası
   ======================================== */

/* ─── Google Fonts ─── */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,500;0,600;0,700;0,800;1,400;1,500&family=Inter:wght@300;400;500;600;700&family=Cormorant+Garamond:ital,wght@0,400;0,500;0,600;0,700;1,400;1,500&display=swap');

/* ─── CSS Değişkenler ─── */
:root {
    --altin-100: #FFF8E7;
    --altin-200: #F5E6C8;
    --altin-300: #E8D5A3;
    --altin-400: #D4AF37;
    --altin-500: #C5A028;
    --altin-600: #B8860B;
    --altin-700: #8B6914;
    --siyah-900: #0A0A0A;
    --siyah-800: #1A1A1A;
    --siyah-700: #2D2D2D;
    --siyah-600: #404040;
    --beyaz: #FFFFFF;
    --beyaz-90: rgba(255, 255, 255, 0.9);
    --beyaz-80: rgba(255, 255, 255, 0.8);
    --beyaz-50: rgba(255, 255, 255, 0.5);
    --gri-100: #F8F8F8;
    --gri-200: #E8E8E8;
    --gri-300: #D1D1D1;
    --gradient-altin: linear-gradient(135deg, #D4AF37 0%, #F5E6C8 50%, #D4AF37 100%);
    --gradient-koyu: linear-gradient(135deg, #0A0A0A 0%, #1A1A1A 50%, #2D2D2D 100%);
    --gradient-hero: linear-gradient(135deg, rgba(10, 10, 10, 0.95) 0%, rgba(26, 26, 26, 0.85) 40%, rgba(45, 45, 45, 0.7) 100%);
    --golge-hafif: 0 2px 15px rgba(0, 0, 0, 0.06);
    --golge-orta: 0 8px 30px rgba(0, 0, 0, 0.12);
    --golge-derin: 0 20px 60px rgba(0, 0, 0, 0.2);
    --golge-altin: 0 8px 30px rgba(212, 175, 55, 0.25);
    --cam-bg: rgba(255, 255, 255, 0.08);
    --cam-kenarlık: rgba(255, 255, 255, 0.15);
    --gecis: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --gecis-yavas: all 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --gecis-hizli: all 0.2s ease;
}

/* ─── Temel Sıfırlama ─── */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    color: var(--siyah-800);
    background-color: var(--beyaz);
    overflow-x: hidden;
    line-height: 1.7;
}

/* ─── Tipografi ─── */
.baslik-font {
    font-family: 'Playfair Display', 'Cormorant Garamond', serif;
}

.serif-font {
    font-family: 'Cormorant Garamond', serif;
}

.baslik-buyuk {
    font-family: 'Playfair Display', serif;
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.02em;
}

.baslik-orta {
    font-family: 'Playfair Display', serif;
    font-size: clamp(1.8rem, 3.5vw, 3rem);
    font-weight: 600;
    line-height: 1.2;
    letter-spacing: -0.01em;
}

.baslik-kucuk {
    font-family: 'Playfair Display', serif;
    font-size: clamp(1.3rem, 2vw, 1.8rem);
    font-weight: 600;
    line-height: 1.3;
}

.altin-metin {
    background: var(--gradient-altin);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.altin-cizgi {
    width: 60px;
    height: 3px;
    background: var(--gradient-altin);
    border-radius: 2px;
}

.altin-cizgi-merkez {
    width: 80px;
    height: 3px;
    background: var(--gradient-altin);
    border-radius: 2px;
    margin: 0 auto;
}

/* ─── Cam Efekti (Glassmorphism) ─── */
.cam-efekti {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.cam-efekti-beyaz {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.8);
}

.cam-efekti-koyu {
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* ─── Premium Butonlar ─── */
.btn-premium {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2.5rem;
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    font-size: 0.95rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    border: none;
    border-radius: 0;
    cursor: pointer;
    transition: var(--gecis);
    position: relative;
    overflow: hidden;
    text-decoration: none;
}

.btn-premium::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.7s ease;
}

.btn-premium:hover::before {
    left: 100%;
}

.btn-altin {
    background: var(--gradient-altin);
    color: var(--siyah-900);
}

.btn-altin:hover {
    box-shadow: var(--golge-altin);
    transform: translateY(-2px);
}

.btn-siyah {
    background: var(--siyah-900);
    color: var(--beyaz);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-siyah:hover {
    background: var(--siyah-700);
    box-shadow: var(--golge-derin);
    transform: translateY(-2px);
}

.btn-cerceve {
    background: transparent;
    color: var(--beyaz);
    border: 2px solid var(--altin-400);
}

.btn-cerceve:hover {
    background: var(--altin-400);
    color: var(--siyah-900);
    box-shadow: var(--golge-altin);
}

/* ─── Premium Kartlar ─── */
.kart-premium {
    background: var(--beyaz);
    border-radius: 2px;
    overflow: hidden;
    transition: var(--gecis-yavas);
    position: relative;
    border: 1px solid var(--gri-200);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.kart-premium>div:last-child {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.kart-premium>div:last-child>a:last-child {
    margin-top: auto;
}

.kart-premium::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-altin);
    transform: scaleX(0);
    transition: transform 0.5s ease;
}

.kart-premium:hover {
    transform: translateY(-8px);
    box-shadow: var(--golge-derin);
    border-color: var(--altin-300);
}

.kart-premium:hover::before {
    transform: scaleX(1);
}

/* Kart ışık efekti */
.kart-isik {
    position: relative;
    overflow: hidden;
}

.kart-isik::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.08) 0%, transparent 60%);
    opacity: 0;
    transition: opacity 0.5s ease;
    pointer-events: none;
}

.kart-isik:hover::after {
    opacity: 1;
}

/* ─── Hero Section ─── */
.hero-bolum {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: var(--siyah-900);
}

.hero-arka-plan {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.4;
    filter: brightness(0.6);
    transition: transform 8s ease;
}

.hero-bolum:hover .hero-arka-plan {
    transform: scale(1.05);
}

.hero-katman {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-hero);
    z-index: 1;
}

.hero-icerik {
    position: relative;
    z-index: 2;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    width: 100%;
}

.hero-baslik {
    font-family: 'Playfair Display', serif;
    font-size: clamp(3rem, 7vw, 6rem);
    font-weight: 700;
    color: var(--beyaz);
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 1rem;
}

.hero-alt-baslik {
    font-family: 'Cormorant Garamond', serif;
    font-size: clamp(1.2rem, 2.5vw, 1.8rem);
    font-weight: 400;
    font-style: italic;
    color: var(--altin-400);
    letter-spacing: 0.1em;
    margin-bottom: 1.5rem;
}

.hero-aciklama {
    font-size: clamp(1rem, 1.5vw, 1.2rem);
    color: var(--beyaz-80);
    max-width: 600px;
    line-height: 1.8;
    margin-bottom: 2.5rem;
}

/* ─── Header ─── */
.ust-menu {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: var(--gecis);
    padding: 1.5rem 0;
}

.ust-menu.kaydirma {
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 0.8rem 0;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.ust-menu .logo-metin {
    font-family: 'Playfair Display', serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--beyaz);
    text-decoration: none;
    letter-spacing: 0.02em;
}

.ust-menu .logo-alt {
    font-family: 'Cormorant Garamond', serif;
    font-size: 0.75rem;
    color: var(--altin-400);
    letter-spacing: 0.2em;
    text-transform: uppercase;
}

.nav-link {
    color: var(--beyaz-80);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 0.5rem 1rem;
    transition: var(--gecis-hizli);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--altin-400);
    transition: var(--gecis);
    transform: translateX(-50%);
}

.nav-link:hover {
    color: var(--altin-400);
}

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

/* ─── Bölüm Stilleri ─── */
.bolum {
    padding: 8rem 0;
    position: relative;
}

.bolum-koyu {
    background: var(--siyah-900);
    color: var(--beyaz);
}

.bolum-gri {
    background: var(--gri-100);
}

.alt-baslik-etiket {
    font-family: 'Inter', sans-serif;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--altin-400);
    margin-bottom: 1rem;
    display: block;
}

/* ─── Önce Sonra Slider ─── */
.once-sonra-kapsayici {
    position: relative;
    width: 100%;
    max-width: 600px;
    margin: 0 auto;
    overflow: hidden;
    border-radius: 4px;
    cursor: col-resize;
    aspect-ratio: 4/3;
}

.once-sonra-kapsayici img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.once-gorsel-kapsayici {
    position: absolute;
    top: 0;
    left: 0;
    width: 50%;
    height: 100%;
    overflow: hidden;
    z-index: 2;
}

.once-gorsel-kapsayici img {
    width: 200%;
    max-width: none;
}

.once-sonra-cizgi {
    position: absolute;
    top: 0;
    left: 50%;
    width: 3px;
    height: 100%;
    background: var(--altin-400);
    z-index: 3;
    transform: translateX(-50%);
}

.once-sonra-tutamac {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 44px;
    height: 44px;
    background: var(--altin-400);
    border-radius: 50%;
    z-index: 4;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--siyah-900);
    font-size: 1rem;
    box-shadow: var(--golge-orta);
}

.once-etiket,
.sonra-etiket {
    position: absolute;
    bottom: 1rem;
    padding: 0.4rem 1rem;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    z-index: 5;
    border-radius: 2px;
}

.once-etiket {
    left: 1rem;
    background: rgba(0, 0, 0, 0.7);
    color: var(--beyaz);
}

.sonra-etiket {
    right: 1rem;
    background: var(--altin-400);
    color: var(--siyah-900);
}

/* ─── WhatsApp Yüzen Buton ─── */
.whatsapp-yuzen {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 60px;
    height: 60px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.8rem;
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: var(--gecis);
    text-decoration: none;
}

.whatsapp-yuzen:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 30px rgba(37, 211, 102, 0.5);
}

/* ─── Mobil Alt Bar ─── */
.mobil-alt-bar {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 998;
    padding: 0.6rem 0;
    border-top: 1px solid rgba(212, 175, 55, 0.3);
}

.mobil-alt-bar a {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.3rem;
    text-decoration: none;
    color: var(--beyaz-80);
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    transition: var(--gecis-hizli);
}

.mobil-alt-bar a i {
    font-size: 1.2rem;
}

.mobil-alt-bar a:hover,
.mobil-alt-bar a:active {
    color: var(--altin-400);
}

.mobil-alt-bar .whatsapp-btn {
    color: #25D366;
}

@media (max-width: 768px) {
    .mobil-alt-bar {
        display: flex;
        justify-content: space-around;
    }

    .whatsapp-yuzen {
        bottom: 5rem;
        display: none;
    }

    body {
        padding-bottom: 4rem;
    }

    .bolum {
        padding: 4rem 0;
    }

    .hero-bolum {
        min-height: 100svh;
        padding-top: 100px;
        /* Logo arkasına gelmemesi için */
        padding-bottom: 4rem;
        align-items: flex-start;
        /* İçeriği yukarıdan başlat */
        justify-content: center;
    }

    .hero-icerik {
        margin-top: 2rem;
    }

    /* Mobil Logo Düzenlemesi */
    .ust-menu .logo-metin {
        font-size: 1.25rem;
    }

    .ust-menu .logo-alt {
        font-size: 0.6rem;
        letter-spacing: 0.1em;
        line-height: 1.2;
    }

    .ust-menu {
        padding: 0.8rem 0;
        background: rgba(10, 10, 10, 0.95);
        /* Mobilde her zaman arkaplan olsun */
        backdrop-filter: blur(20px);
    }
}

/* ─── Animasyonlar ─── */
@keyframes yukaridan-gel {
    from {
        opacity: 0;
        transform: translateY(40px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes soldan-gel {
    from {
        opacity: 0;
        transform: translateX(-40px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes sagdan-gel {
    from {
        opacity: 0;
        transform: translateX(40px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes parlama {

    0%,
    100% {
        opacity: 0.5;
    }

    50% {
        opacity: 1;
    }
}

@keyframes altin-parlama {
    0% {
        background-position: -200% center;
    }

    100% {
        background-position: 200% center;
    }
}

@keyframes nabiz {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.05);
    }
}

.animasyon-hazir {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.animasyon-hazir.gorunur {
    opacity: 1;
    transform: translateY(0);
}

@media (min-width: 768px) {
    .animasyon-hazir.soldan {
        transform: translateX(-40px);
    }

    .animasyon-hazir.soldan.gorunur {
        transform: translateX(0);
    }

    .animasyon-hazir.sagdan {
        transform: translateX(40px);
    }

    .animasyon-hazir.sagdan.gorunur {
        transform: translateX(0);
    }
}

.gecikme-1 {
    transition-delay: 0.1s;
}

.gecikme-2 {
    transition-delay: 0.2s;
}

.gecikme-3 {
    transition-delay: 0.3s;
}

.gecikme-4 {
    transition-delay: 0.4s;
}

.gecikme-5 {
    transition-delay: 0.5s;
}

.gecikme-6 {
    transition-delay: 0.6s;
}

/* ─── Sayaç Animasyonu ─── */
.sayac-deger {
    font-family: 'Playfair Display', serif;
    font-size: clamp(2.5rem, 4vw, 4rem);
    font-weight: 700;
    line-height: 1;
}

/* ─── Testimonial ─── */
.yorum-karti {
    background: var(--beyaz);
    padding: 2.5rem;
    position: relative;
    border: 1px solid var(--gri-200);
    transition: var(--gecis);
}

.yorum-karti::before {
    content: '"';
    font-family: 'Playfair Display', serif;
    font-size: 5rem;
    color: var(--altin-300);
    position: absolute;
    top: 0.5rem;
    left: 1.5rem;
    line-height: 1;
    opacity: 0.4;
}

.yorum-karti:hover {
    border-color: var(--altin-400);
    box-shadow: var(--golge-orta);
}

/* ─── Instagram Grid ─── */
.instagram-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 4px;
}

.instagram-grid a {
    position: relative;
    aspect-ratio: 1;
    overflow: hidden;
    display: block;
}

.instagram-grid a img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.instagram-grid a::after {
    content: '\f16d';
    font-family: 'Font Awesome 6 Brands';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.instagram-grid a:hover img {
    transform: scale(1.1);
}

.instagram-grid a:hover::after {
    opacity: 1;
}

@media (max-width: 768px) {
    .instagram-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ─── Footer ─── */
.alt-bilgi {
    background: var(--siyah-900);
    color: var(--beyaz-80);
    padding: 5rem 0 2rem;
}

.alt-bilgi a {
    color: var(--beyaz-80);
    text-decoration: none;
    transition: var(--gecis-hizli);
}

.alt-bilgi a:hover {
    color: var(--altin-400);
}

/* ─── CTA Bölümü ─── */
.cta-bolum {
    position: relative;
    padding: 6rem 0;
    background: var(--siyah-900);
    overflow: hidden;
}

.cta-bolum::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

/* ─── Form Stilleri ─── */
.form-alani {
    width: 100%;
    padding: 1rem 1.5rem;
    background: var(--gri-100);
    border: 1px solid var(--gri-200);
    border-radius: 2px;
    font-family: 'Inter', sans-serif;
    font-size: 0.95rem;
    color: var(--siyah-800);
    transition: var(--gecis);
    outline: none;
}

.form-alani:focus {
    border-color: var(--altin-400);
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.1);
    background: var(--beyaz);
}

.form-etiket {
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--siyah-600);
    margin-bottom: 0.5rem;
    display: block;
}

/* ─── Paralaks Divider ─── */
.paralaks-divider {
    height: 400px;
    background-attachment: fixed;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    position: relative;
}

.paralaks-divider::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(10, 10, 10, 0.7);
}

/* ─── Scrollbar ─── */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--siyah-900);
}

::-webkit-scrollbar-thumb {
    background: var(--altin-400);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--altin-500);
}

/* ─── Seçim ─── */
::selection {
    background: var(--altin-400);
    color: var(--siyah-900);
}

/* ─── Medya Sorguları ─── */
@media (max-width: 1024px) {
    .bolum {
        padding: 5rem 0;
    }
}

@media (max-width: 640px) {
    .hero-baslik {
        font-size: clamp(2.2rem, 8vw, 3.5rem);
    }

    .btn-premium {
        padding: 0.85rem 1.8rem;
        font-size: 0.85rem;
    }
}

/* ─── Yükleme Animasyonu ─── */
.sayfa-yukleniyor {
    position: fixed;
    inset: 0;
    background: var(--siyah-900);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.sayfa-yukleniyor.gizle {
    opacity: 0;
    visibility: hidden;
}

.yukleme-logo {
    font-family: 'Playfair Display', serif;
    font-size: 2rem;
    color: var(--beyaz);
    animation: nabiz 1.5s ease infinite;
}

/* ─── Lightbox ─── */
.lightbox-katman {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.95);
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.lightbox-katman.aktif {
    display: flex;
}

.lightbox-katman img {
    max-width: 90vw;
    max-height: 90vh;
    object-fit: contain;
}

/* ─── Medya Grid ─── */
.medya-logo {
    filter: grayscale(100%);
    opacity: 0.5;
    transition: var(--gecis);
    height: 40px;
    object-fit: contain;
}

.medya-logo:hover {
    filter: grayscale(0%);
    opacity: 1;
}