/* DURU COLLECTION - PREMIUM CSS TASARIMI */

/* 1. Global Değişkenler ve Reset */
:root {
    /* Renk Paleti (Lüks, Sıcak ve Minimalist) */
    --color-bg-dark: #0f0e0d;        /* Derin sıcak siyah */
    --color-bg-card: rgba(25, 23, 22, 0.6); /* Şeffaf kart rengi */
    --color-primary: #e6dfd5;        /* Yumuşak krem/ipek rengi */
    --color-accent: #d4b295;         /* Şampanya/altın esintili lüks karamel */
    --color-accent-hover: #e8cbb3;   /* Canlı şampanya tonu */
    --color-text-muted: #a39c96;     /* Soluk esmer gövde metni */
    --color-border: rgba(212, 178, 149, 0.15); /* Zarif şampanya kenarlık */
    --color-border-glow: rgba(212, 178, 149, 0.3);
    
    /* Tipografi */
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Outfit', sans-serif;
    
    /* Geçiş ve Efektler */
    --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --glass-background: rgba(25, 23, 22, 0.4);
    --glass-blur: blur(20px);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: var(--color-bg-dark);
    color: var(--color-primary);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

/* 2. Arka Plan Dekoratif Işık Efektleri */
.glow-effect {
    position: fixed;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    filter: blur(140px);
    z-index: 0;
    pointer-events: none;
    opacity: 0.15;
}

.glow-top {
    top: -200px;
    left: -100px;
    background: radial-gradient(circle, var(--color-accent) 0%, transparent 70%);
}

.glow-bottom {
    bottom: -200px;
    right: 20%;
    background: radial-gradient(circle, var(--color-accent) 0%, transparent 70%);
}

/* 3. Ana Sayfa Split Layout */
.page-container {
    position: relative;
    display: flex;
    min-height: 100vh;
    z-index: 1;
}

/* Sol İçerik Alanı */
.content-section {
    flex: 1.2;
    padding: 4rem 6rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 100vh;
    background: linear-gradient(135deg, rgba(15, 14, 13, 0.95) 0%, rgba(20, 18, 17, 0.98) 100%);
    border-right: 1px solid var(--color-border);
    overflow-y: auto;
}

/* Sağ Görsel Alanı */
.visual-section {
    flex: 0.8;
    position: relative;
    height: 100vh;
    overflow: hidden;
}

/* 4. Logo ve Badge Tasarımı */
.brand-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 3.5rem;
}

.logo-area {
    display: flex;
    flex-direction: column;
    user-select: none;
}

.brand-logo {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 500;
    letter-spacing: 6px;
    line-height: 1;
    color: var(--color-primary);
    text-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

.brand-sub {
    font-size: 0.7rem;
    letter-spacing: 8px;
    color: var(--color-accent);
    margin-top: 4px;
    font-weight: 400;
}

.status-badge {
    display: inline-flex;
    align-items: center;
    background: var(--glass-background);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--color-border);
    padding: 6px 14px;
    border-radius: 50px;
    font-size: 0.75rem;
    letter-spacing: 2px;
    color: var(--color-accent);
    font-weight: 500;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    animation: pulseGlow 3s infinite alternate;
}

.badge-dot {
    width: 6px;
    height: 6px;
    background-color: var(--color-accent);
    border-radius: 50%;
    margin-right: 8px;
    box-shadow: 0 0 8px var(--color-accent);
}

/* 5. Hero Giriş Metinleri */
.hero-intro {
    margin-bottom: 3rem;
}

.hero-intro h1 {
    font-family: var(--font-heading);
    font-size: 3.4rem;
    font-weight: 300;
    line-height: 1.25;
    margin-bottom: 1.5rem;
    letter-spacing: -0.5px;
    background: linear-gradient(135deg, var(--color-primary) 30%, var(--color-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-description {
    font-size: 1.05rem;
    color: var(--color-text-muted);
    max-width: 580px;
    font-weight: 300;
    letter-spacing: 0.3px;
}

/* 6. Geri Sayım Zamanlayıcısı */
.countdown-section {
    margin-bottom: 3rem;
}

.timer-container {
    display: flex;
    align-items: center;
    gap: 1.2rem;
}

.timer-card {
    background: var(--glass-background);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    width: 90px;
    height: 95px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
    transition: var(--transition-smooth);
}

.timer-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-border-glow);
    box-shadow: 0 12px 40px rgba(212, 178, 149, 0.15);
}

.timer-number {
    font-size: 2.2rem;
    font-weight: 600;
    color: var(--color-accent);
    line-height: 1.1;
    font-feature-settings: "tnum";
}

.timer-label {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 4px;
    font-weight: 400;
}

.timer-divider {
    font-size: 1.8rem;
    font-weight: 300;
    color: var(--color-border);
    animation: blinkEffect 1.5s infinite;
}

/* 7. E-Bülten Form Tasarımı */
.newsletter-section {
    margin-bottom: 3.5rem;
}

.newsletter-box {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.04);
    border-radius: 16px;
    padding: 2rem;
    max-width: 580px;
    box-shadow: inset 0 0 20px rgba(255, 255, 255, 0.01);
}

.newsletter-box h3 {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 400;
    margin-bottom: 0.5rem;
    letter-spacing: 1px;
}

.newsletter-box p {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin-bottom: 1.5rem;
    font-weight: 300;
}

.input-group {
    position: relative;
    display: flex;
    width: 100%;
}

.input-group input {
    flex: 1;
    background: rgba(15, 14, 13, 0.8);
    border: 1px solid var(--color-border);
    padding: 18px 24px;
    border-radius: 30px;
    color: var(--color-primary);
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: var(--transition-smooth);
    outline: none;
    padding-right: 120px; /* Buton için yer */
}

.input-group input:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 15px rgba(212, 178, 149, 0.2);
    background: rgba(20, 18, 17, 0.95);
}

.input-group button {
    position: absolute;
    right: 6px;
    top: 6px;
    bottom: 6px;
    background-color: var(--color-accent);
    color: var(--color-bg-dark);
    border: none;
    padding: 0 28px;
    border-radius: 25px;
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition-smooth);
}

.input-group button:hover {
    background-color: var(--color-accent-hover);
    transform: translateX(2px);
}

.btn-arrow {
    width: 18px;
    height: 18px;
    transition: var(--transition-smooth);
}

.input-group button:hover .btn-arrow {
    transform: translateX(4px);
}

/* Form Geri Bildirim Mesajı */
.form-feedback {
    margin-top: 10px;
    font-size: 0.85rem;
    font-weight: 400;
    min-height: 20px;
    transition: var(--transition-smooth);
    padding-left: 10px;
}

.form-feedback.success {
    color: #a3c4bc; /* Soft yeşil */
}

.form-feedback.error {
    color: #e29578; /* Soft kırmızı/turuncu */
}

/* 8. Koleksiyon Ön İzleme Slider */
.preview-section {
    margin-bottom: 3.5rem;
    max-width: 580px;
}

.section-title {
    font-size: 0.8rem;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 1.2rem;
    font-weight: 500;
}

.preview-slider-container {
    position: relative;
    width: 100%;
}

.preview-slider {
    position: relative;
    width: 100%;
    min-height: 130px;
}

.preview-card {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    display: flex;
    background: var(--glass-background);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    overflow: hidden;
    opacity: 0;
    pointer-events: none;
    transform: scale(0.97) translateY(10px);
    transition: opacity 0.5s ease, transform 0.5s ease;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.preview-card.active {
    position: relative;
    opacity: 1;
    pointer-events: auto;
    transform: scale(1) translateY(0);
}

.card-image-wrapper {
    width: 100px;
    height: 130px;
    overflow: hidden;
    flex-shrink: 0;
}

.card-image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s ease;
}

.preview-card:hover .card-image-wrapper img {
    transform: scale(1.1);
}

.card-details {
    padding: 1.2rem 1.5rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.collection-category {
    font-size: 0.65rem;
    letter-spacing: 2px;
    color: var(--color-accent);
    margin-bottom: 4px;
    font-weight: 500;
}

.card-details h5 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 400;
    margin-bottom: 4px;
    color: var(--color-primary);
}

.card-details p {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    font-weight: 300;
    line-height: 1.4;
}

/* Slider Noktaları */
.slider-controls {
    display: flex;
    gap: 8px;
    margin-top: 1rem;
    justify-content: flex-end;
}

.slider-dot {
    width: 18px;
    height: 3px;
    background: rgba(255, 255, 255, 0.15);
    border: none;
    cursor: pointer;
    border-radius: 4px;
    transition: var(--transition-smooth);
}

.slider-dot.active {
    background: var(--color-accent);
    width: 32px;
}

/* 9. Sosyal Linkler ve Alt Bilgi */
.content-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 2rem;
    margin-top: auto;
}

.social-links {
    display: flex;
    gap: 1.2rem;
}

.social-icon {
    color: var(--color-text-muted);
    transition: var(--transition-smooth);
    display: flex;
    align-items: center;
    justify-content: center;
}

.social-icon svg {
    width: 20px;
    height: 20px;
}

.social-icon:hover {
    color: var(--color-accent);
    transform: translateY(-3px);
}

.copyright {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    font-weight: 300;
}

/* 10. Sağ Görsel Alanı (Showcase) */
.hero-image-container {
    width: 100%;
    height: 100%;
    position: relative;
}

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    animation: zoomSlow 30s infinite alternate ease-in-out;
}

.image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to right, rgba(15, 14, 13, 0.4) 0%, transparent 30%),
                linear-gradient(to top, rgba(15, 14, 13, 0.8) 0%, transparent 20%);
}

.editorial-badge {
    position: absolute;
    bottom: 4rem;
    right: 4rem;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    background: rgba(15, 14, 13, 0.7);
    backdrop-filter: blur(10px);
    border: 1px solid var(--color-border);
    padding: 24px 30px;
    border-radius: 4px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
    z-index: 2;
}

.editorial-year {
    font-size: 0.75rem;
    letter-spacing: 4px;
    color: var(--color-accent);
}

.editorial-divider {
    width: 40px;
    height: 1px;
    background-color: var(--color-accent);
    margin: 8px 0;
}

.editorial-text {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    letter-spacing: 2px;
    font-weight: 300;
    color: var(--color-primary);
}

/* 11. Animasyonlar */
@keyframes pulseGlow {
    0% {
        border-color: var(--color-border);
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    }
    100% {
        border-color: var(--color-accent);
        box-shadow: 0 4px 25px rgba(212, 178, 149, 0.25);
    }
}

@keyframes blinkEffect {
    0%, 100% { opacity: 0.2; }
    50% { opacity: 1; }
}

@keyframes zoomSlow {
    0% { transform: scale(1); }
    100% { transform: scale(1.08); }
}

/* 12. Duyarlı Tasarım (Responsive Media Queries) */

/* Geniş Ekranlar (Kademeli Pedikleme) */
@media (max-width: 1400px) {
    .content-section {
        padding: 4rem 4rem;
    }
    .hero-intro h1 {
        font-size: 3rem;
    }
}

/* Tablet ve Küçük Masaüstü (Split Kapatılıyor) */
@media (max-width: 1024px) {
    .page-container {
        flex-direction: column-reverse; /* Mobilde görsel üstte veya altta olabilir, alt tarafta olması akışı bozmaz */
    }
    
    .content-section {
        flex: none;
        width: 100%;
        min-height: auto;
        padding: 4rem 3rem;
        border-right: none;
    }

    .visual-section {
        flex: none;
        width: 100%;
        height: 60vh;
        border-bottom: 1px solid var(--color-border);
    }
    
    .hero-image-container {
        height: 100%;
    }
    
    .image-overlay {
        background: linear-gradient(to top, rgba(15, 14, 13, 0.9) 0%, transparent 60%);
    }

    .editorial-badge {
        bottom: 2rem;
        right: 2rem;
        padding: 16px 20px;
    }
}

/* Mobil Cihazlar */
@media (max-width: 768px) {
    .content-section {
        padding: 3rem 1.5rem;
    }

    .brand-header {
        margin-bottom: 2.5rem;
    }

    .brand-logo {
        font-size: 1.8rem;
    }

    .status-badge {
        padding: 4px 10px;
        font-size: 0.65rem;
    }

    .hero-intro h1 {
        font-size: 2.2rem;
    }

    .hero-description {
        font-size: 0.95rem;
    }

    .timer-container {
        gap: 0.6rem;
    }

    .timer-card {
        width: 70px;
        height: 75px;
    }

    .timer-number {
        font-size: 1.6rem;
    }

    .timer-label {
        font-size: 0.65rem;
    }

    .newsletter-box {
        padding: 1.5rem;
    }

    .newsletter-box h3 {
        font-size: 1.15rem;
    }

    .input-group input {
        padding: 15px 20px;
        padding-right: 90px;
        font-size: 0.85rem;
    }

    .input-group button {
        padding: 0 16px;
        font-size: 0.8rem;
    }

    .preview-card {
        flex-direction: column;
    }

    .card-image-wrapper {
        width: 100%;
        height: 150px;
    }

    .content-footer {
        flex-direction: column;
        gap: 1.5rem;
        align-items: center;
        text-align: center;
        padding-top: 1.5rem;
    }
}