/*
Theme Name: Antika Galeri — Küratöryel Koleksiyon & Ekspertiz Teması
Theme URI: https://example.com/antika-galeri
Author: Antigravity Senior WordPress & UI/UX Studio
Author URI: https://example.com
Description: Üst segment Türk antika galerileri, müzayede evleri ve özel koleksiyonerler için sıfırdan tasarlanmış, sepet/ödeme sistemi içermeyen, tamamen "WhatsApp Üzerinden Teklif ve Danışmanlık" odaklı, panelden sıfır kodla yönetilebilir (Zero-Code Admin) prestijli sergi ve katalog WordPress teması.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.7
Requires PHP: 7.4
License: GPL v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: antika-galeri
Tags: custom-logo, custom-menu, featured-images, theme-options, translation-ready, portfolio, blog
*/

/* ==========================================================================
   1. TASARIM DİLİ, RENK PALETİ & TİPOGRAFİ DEĞİŞKENLERİ
   ========================================================================== */
:root {
    /* Zemin Tonları (Klinik saf beyaz #FFFFFF kesinlikle kullanılmaz) */
    --bg-parchment: #F9F7F2;       /* Ana sıcak parşömen / kemik zemini */
    --bg-bone: #F5F2EB;            /* İkincil kart ve bölüm zemini */
    --bg-aged-paper: #EDE8DC;      /* Vurgulu kutu, tablo başlığı ve paspartu zemini */
    --bg-espresso: #1A1816;        /* Koyu müze vitrini / Hünkâr ve Footer zemini */
    --bg-walnut: #26231F;          /* Koyu kart / CTA zemini */

    /* Metin & Okuma Tonları */
    --text-soot: #1F1E1C;          /* Derin is / kurum siyahı ana metin */
    --text-charcoal: #262422;      /* İkincil okuma metni */
    --text-muted: #5C574F;         /* Eskitilmiş toprak / yardımcı açıklamalar */
    --text-light: #F5F2EB;         /* Koyu zemin üzerindeki kemik rengi metin */
    --text-light-muted: #B8B0A2;   /* Koyu zemin üzerindeki ikincil metin */

    /* Vurgu & Zanaatkar Metal Tonları */
    --accent-brass: #9E7B42;       /* Eskitilmiş antik pirinç / varak (Ana Vurgu) */
    --accent-brass-hover: #7D5F2E; /* Koyu antik bronz */
    --accent-brass-light: #C8A971; /* Koyu zeminde parlayan pirinç */
    --accent-burgundy: #5E2124;    /* Hünkâr bordosu / mühür kırmızısı (Sertifika/Durum) */
    --accent-forest: #24382C;      /* Müze çuhası / zümrüt yeşili */

    /* Çizgi & Kenarlıklar (1px İnce Çift Çizgi & Paspartu) */
    --border-hairline: #DCD5C7;
    --border-brass: rgba(158, 123, 66, 0.42);
    --border-dark: #36322D;

    /* Tipografi */
    --font-serif: 'Cormorant Garamond', 'Playfair Display', Georgia, serif;
    --font-body: 'EB Garamond', Georgia, 'Times New Roman', serif;
    --font-ui: 'Jost', -apple-system, BlinkMacSystemFont, sans-serif;

    /* Düzen & Boşluklar */
    --container-max: 1340px;
    --container-narrow: 960px;
    --radius-sharp: 2px; /* Aşırı yuvarlak butonlardan uzak, keskin/zanaatkar köşe */
    --transition-elegant: all 0.35s cubic-bezier(0.25, 1, 0.5, 1);
    --shadow-museum: 0 14px 36px rgba(31, 30, 28, 0.06);
    --shadow-card-hover: 0 20px 44px rgba(31, 30, 28, 0.11);
}

/* ==========================================================================
   2. SIFIRLAMA & TEMEL TİPOGRAFİ
   ========================================================================== */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    background-color: var(--bg-parchment);
    color: var(--text-soot);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    font-size: 1.15rem;
    line-height: 1.75;
    background-color: var(--bg-parchment);
    color: var(--text-soot);
    overflow-x: hidden;
    /* Çok hafif kağıt dokusu hissi */
    background-image: radial-gradient(rgba(158, 123, 66, 0.04) 1px, transparent 0);
    background-size: 28px 28px;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-serif);
    font-weight: 600;
    color: var(--text-soot);
    line-height: 1.2;
    letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.35rem, 4.2vw, 3.75rem); }
h2 { font-size: clamp(1.9rem, 3.2vw, 2.85rem); }
h3 { font-size: clamp(1.4rem, 2.2vw, 1.9rem); }
h4 { font-size: 1.3rem; }

p {
    margin-bottom: 1.35rem;
    color: var(--text-charcoal);
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition-elegant);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

ul, ol {
    list-style: none;
}

/* Yardımcı Sınıflar */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 2rem;
}

.container--narrow {
    max-width: var(--container-narrow);
}

.ui-label {
    font-family: var(--font-ui);
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    color: var(--accent-brass);
    display: inline-block;
}

.section-spacing {
    padding: 5.5rem 0;
}

.section-header {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 3.75rem;
}

.section-header .ui-label {
    margin-bottom: 0.75rem;
}

.section-header__title {
    margin-bottom: 1rem;
    position: relative;
}

.section-header__divider {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin: 1.15rem auto;
    color: var(--accent-brass);
}

.section-header__divider::before,
.section-header__divider::after {
    content: "";
    width: 64px;
    height: 1px;
    background-color: var(--border-brass);
}

.section-header__subtitle {
    font-size: 1.15rem;
    color: var(--text-muted);
    margin-bottom: 0;
    font-style: italic;
}

/* ==========================================================================
   3. BUTONLAR (KESKİN KÖŞE, ZANAATKAR ÇERÇEVE, SIFIR NEON/SENTETİK DEGRADE)
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.65rem;
    font-family: var(--font-ui);
    font-size: 0.8rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    padding: 1rem 1.85rem;
    border-radius: var(--radius-sharp);
    border: 1px solid transparent;
    cursor: pointer;
    transition: var(--transition-elegant);
    text-align: center;
    line-height: 1.2;
}

.btn svg {
    width: 17px;
    height: 17px;
    flex-shrink: 0;
}

/* Ana Pirinç / Bronz Buton */
.btn--brass {
    background-color: var(--accent-brass);
    color: var(--bg-parchment);
    border-color: var(--accent-brass);
}

.btn--brass:hover,
.btn--brass:focus {
    background-color: var(--accent-brass-hover);
    border-color: var(--accent-brass-hover);
    color: var(--bg-parchment);
    transform: translateY(-1px);
}

/* Koyu Kurum / Müze Butonu */
.btn--dark {
    background-color: var(--text-soot);
    color: var(--bg-parchment);
    border-color: var(--text-soot);
}

.btn--dark:hover,
.btn--dark:focus {
    background-color: var(--accent-brass);
    border-color: var(--accent-brass);
    color: var(--bg-parchment);
}

/* Çerçeveli Klasik Buton */
.btn--outline {
    background-color: transparent;
    color: var(--text-soot);
    border-color: var(--accent-brass);
}

.btn--outline:hover,
.btn--outline:focus {
    background-color: var(--accent-brass);
    color: var(--bg-parchment);
}

.btn--outline-light {
    background-color: transparent;
    color: var(--text-light);
    border-color: var(--accent-brass-light);
}

.btn--outline-light:hover {
    background-color: var(--accent-brass-light);
    color: var(--bg-espresso);
}

.btn--full {
    width: 100%;
}

/* ==========================================================================
   4. ÜST DUYURU BANDI & HEADER (MÜZE GİRİŞİ AĞIRLIĞI)
   ========================================================================== */
.announcement-bar {
    background-color: var(--bg-espresso);
    color: var(--text-light);
    border-bottom: 1px solid var(--border-dark);
    padding: 0.6rem 0;
    font-family: var(--font-ui);
    font-size: 0.74rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.announcement-bar__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
}

.announcement-bar__text {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    color: var(--accent-brass-light);
}

.announcement-bar__meta {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    color: var(--text-light-muted);
}

.announcement-bar__meta a:hover {
    color: var(--accent-brass-light);
}

.site-header {
    background-color: var(--bg-parchment);
    border-bottom: 3px double var(--border-hairline);
    position: sticky;
    top: 0;
    z-index: 100;
    transition: var(--transition-elegant);
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.45rem 0;
    gap: 2rem;
}

.site-branding {
    display: flex;
    flex-direction: column;
}

.site-branding .custom-logo-link img {
    max-height: 58px;
    width: auto;
}

.site-title {
    font-family: var(--font-serif);
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--text-soot);
    line-height: 1.05;
}

.site-description {
    font-family: var(--font-ui);
    font-size: 0.68rem;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--accent-brass);
    margin-top: 0.25rem;
}

.primary-nav__list {
    display: flex;
    align-items: center;
    gap: 2.25rem;
}

.primary-nav__list a {
    font-family: var(--font-ui);
    font-size: 0.78rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--text-soot);
    padding: 0.35rem 0;
    position: relative;
}

.primary-nav__list a::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--accent-brass);
    transition: var(--transition-elegant);
}

.primary-nav__list a:hover::after,
.primary-nav__list .current-menu-item > a::after {
    width: 100%;
}

.primary-nav__list a:hover {
    color: var(--accent-brass);
}

.site-header__actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.mobile-menu-toggle {
    display: none;
    background: transparent;
    border: 1px solid var(--border-hairline);
    color: var(--text-soot);
    padding: 0.55rem 0.75rem;
    cursor: pointer;
    font-family: var(--font-ui);
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

/* ==========================================================================
   5. HERO / KÜRATÖR KARŞILAMA ALANI
   ========================================================================== */
.hero-curator {
    position: relative;
    background-color: var(--bg-espresso);
    color: var(--text-light);
    border-bottom: 4px double var(--accent-brass);
    overflow: hidden;
}

.hero-curator__bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    opacity: 0.28;
    filter: sepia(18%) contrast(105%);
    transition: transform 8s ease;
}

.hero-curator:hover .hero-curator__bg {
    transform: scale(1.02);
}

.hero-curator__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(26, 24, 22, 0.94) 0%, rgba(26, 24, 22, 0.76) 60%, rgba(26, 24, 22, 0.55) 100%);
}

.hero-curator__inner {
    position: relative;
    z-index: 2;
    padding: 6.5rem 0;
    display: grid;
    grid-template-columns: 1.25fr 0.75fr;
    gap: 4rem;
    align-items: center;
}

.hero-curator__content {
    max-width: 680px;
}

.hero-curator__badge {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    padding: 0.45rem 1rem;
    border: 1px solid var(--border-brass);
    background-color: rgba(158, 123, 66, 0.12);
    color: var(--accent-brass-light);
    font-family: var(--font-ui);
    font-size: 0.72rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    margin-bottom: 1.5rem;
}

.hero-curator__title {
    color: var(--text-light);
    margin-bottom: 1.35rem;
    font-weight: 500;
}

.hero-curator__desc {
    color: var(--text-light-muted);
    font-size: 1.25rem;
    line-height: 1.8;
    margin-bottom: 2.25rem;
}

.hero-curator__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1.15rem;
}

/* Sağ Taraf: Galeri Ekspertiz Mührü / Vitrin Kartı */
.hero-curator__seal-card {
    background-color: rgba(38, 35, 31, 0.88);
    border: 1px solid var(--border-brass);
    padding: 2.5rem;
    position: relative;
}

.hero-curator__seal-card::before {
    content: "";
    position: absolute;
    inset: 7px;
    border: 1px solid rgba(200, 169, 113, 0.22);
    pointer-events: none;
}

.seal-card__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border-dark);
    padding-bottom: 1.1rem;
    margin-bottom: 1.35rem;
}

.seal-card__title {
    color: var(--accent-brass-light);
    font-size: 1.35rem;
    font-style: italic;
}

.seal-card__list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.seal-card__item {
    display: flex;
    align-items: flex-start;
    gap: 0.85rem;
    font-size: 1rem;
    color: var(--text-light);
}

.seal-card__item strong {
    display: block;
    font-family: var(--font-ui);
    font-size: 0.74rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent-brass-light);
}

.seal-card__item span {
    font-size: 0.98rem;
    color: var(--text-light-muted);
}

/* ==========================================================================
   6. KATEGORİ / DÖNEM FİLTRE BARI
   ========================================================================== */
.catalog-filter-bar {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.65rem;
    margin-bottom: 3rem;
    padding: 1rem;
    background-color: var(--bg-bone);
    border-top: 1px solid var(--border-hairline);
    border-bottom: 1px solid var(--border-hairline);
}

.filter-pill {
    font-family: var(--font-ui);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.13em;
    text-transform: uppercase;
    padding: 0.6rem 1.25rem;
    border: 1px solid transparent;
    background-color: transparent;
    color: var(--text-muted);
    cursor: pointer;
    transition: var(--transition-elegant);
}

.filter-pill:hover,
.filter-pill.is-active {
    border-color: var(--accent-brass);
    background-color: var(--bg-parchment);
    color: var(--text-soot);
}

/* ==========================================================================
   7. ANTİKA ESER KARTLARI (PASPARTU ÇERÇEVE & MÜZE ETİKETİ)
   ========================================================================== */
.antique-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
}

.antique-card {
    background-color: var(--bg-bone);
    border: 1px solid var(--border-hairline);
    display: flex;
    flex-direction: column;
    position: relative;
    transition: var(--transition-elegant);
    box-shadow: var(--shadow-museum);
}

/* İnce iç paspartu çizgisi */
.antique-card::after {
    content: "";
    position: absolute;
    inset: 6px;
    border: 1px solid rgba(158, 123, 66, 0.18);
    pointer-events: none;
    z-index: 2;
}

.antique-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-card-hover);
    border-color: var(--accent-brass);
}

.antique-card__media {
    position: relative;
    aspect-ratio: 4 / 4.3;
    background-color: var(--bg-aged-paper);
    overflow: hidden;
    border-bottom: 1px solid var(--border-hairline);
    padding: 1.15rem;
}

.antique-card__img-wrap {
    width: 100%;
    height: 100%;
    overflow: hidden;
    position: relative;
    background-color: var(--bg-espresso);
}

.antique-card__img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.65s cubic-bezier(0.25, 1, 0.5, 1);
}

.antique-card:hover .antique-card__img-wrap img {
    transform: scale(1.04);
}

/* Dönem ve Sertifika Rozeti */
.antique-card__era-badge {
    position: absolute;
    top: 1.75rem;
    left: 1.75rem;
    z-index: 3;
    background-color: rgba(26, 24, 22, 0.88);
    color: var(--accent-brass-light);
    border: 1px solid var(--border-brass);
    padding: 0.3rem 0.7rem;
    font-family: var(--font-ui);
    font-size: 0.66rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.antique-card__code-badge {
    position: absolute;
    bottom: 1.75rem;
    right: 1.75rem;
    z-index: 3;
    background-color: rgba(249, 247, 242, 0.94);
    color: var(--text-soot);
    border: 1px solid var(--border-hairline);
    padding: 0.2rem 0.6rem;
    font-family: var(--font-ui);
    font-size: 0.65rem;
    letter-spacing: 0.1em;
}

.antique-card__body {
    padding: 1.75rem 1.75rem 1.65rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    position: relative;
    z-index: 3;
}

.antique-card__meta-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    font-family: var(--font-ui);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--text-muted);
    margin-bottom: 0.55rem;
}

.antique-card__title {
    font-size: 1.45rem;
    margin-bottom: 0.85rem;
    line-height: 1.28;
}

.antique-card__title a:hover {
    color: var(--accent-brass);
}

/* Künye Özeti Satırları */
.antique-card__specs {
    border-top: 1px solid var(--border-hairline);
    border-bottom: 1px solid var(--border-hairline);
    padding: 0.75rem 0;
    margin: 0.35rem 0 1.25rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem 1rem;
    font-size: 0.92rem;
}

.antique-card__spec-item {
    display: flex;
    flex-direction: column;
}

.antique-card__spec-label {
    font-family: var(--font-ui);
    font-size: 0.64rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--text-muted);
}

.antique-card__spec-val {
    color: var(--text-soot);
    font-weight: 500;
}

.antique-card__footer {
    margin-top: auto;
    display: flex;
    flex-direction: column;
    gap: 0.95rem;
}

.antique-card__price-row {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 0.5rem;
}

.antique-card__price-label {
    font-family: var(--font-ui);
    font-size: 0.68rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--text-muted);
}

.antique-card__price-value {
    font-family: var(--font-serif);
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--accent-burgundy);
}

.antique-card__price-value--quote {
    font-size: 1.05rem;
    font-style: italic;
    color: var(--accent-brass-hover);
}

.antique-card__actions {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 0.55rem;
}

.antique-card__actions .btn {
    padding: 0.8rem 1rem;
    font-size: 0.72rem;
}

/* ==========================================================================
   8. EKSPERTİZ VE KOLEKSİYON DANIŞMANLIĞI CTA KUTUSU
   ========================================================================== */
.appraisal-cta {
    background-color: var(--bg-walnut);
    color: var(--text-light);
    border-top: 3px double var(--accent-brass);
    border-bottom: 3px double var(--accent-brass);
    position: relative;
}

.appraisal-cta__frame {
    border: 1px solid var(--border-brass);
    padding: 3.75rem;
    background-color: var(--bg-espresso);
    display: grid;
    grid-template-columns: 1.35fr 0.65fr;
    gap: 3rem;
    align-items: center;
    position: relative;
}

.appraisal-cta__frame::before {
    content: "";
    position: absolute;
    inset: 8px;
    border: 1px solid rgba(200, 169, 113, 0.2);
    pointer-events: none;
}

.appraisal-cta__title {
    color: var(--text-light);
    margin-bottom: 1rem;
}

.appraisal-cta__desc {
    color: var(--text-light-muted);
    font-size: 1.18rem;
    margin-bottom: 1.5rem;
}

.appraisal-cta__pillars {
    display: flex;
    flex-wrap: wrap;
    gap: 1.75rem;
    padding-top: 0.5rem;
}

.appraisal-cta__pillar {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    font-family: var(--font-ui);
    font-size: 0.74rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent-brass-light);
}

.appraisal-cta__action-box {
    background-color: rgba(249, 247, 242, 0.03);
    border: 1px solid var(--border-dark);
    padding: 2.25rem;
    text-align: center;
}

.appraisal-cta__action-note {
    font-size: 0.95rem;
    color: var(--text-light-muted);
    margin-top: 0.9rem;
    margin-bottom: 0;
    font-style: italic;
}

/* ==========================================================================
   9. TEKİL ESER DETAY SAYFASI (SINGLE ANTİKA_ESER - MÜZE KÜNYESİ)
   ========================================================================== */
.single-artifact {
    padding: 3.5rem 0 5.5rem;
}

.breadcrumb-bar {
    font-family: var(--font-ui);
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--text-muted);
    margin-bottom: 2.25rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-hairline);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
}

.breadcrumb-bar a:hover {
    color: var(--accent-brass);
}

.artifact-showcase {
    display: grid;
    grid-template-columns: 1.08fr 0.92fr;
    gap: 3.75rem;
    align-items: start;
}

/* Sol: Paspartulu Eser Çerçevesi */
.artifact-gallery {
    position: sticky;
    top: 6.5rem;
}

.artifact-frame {
    background-color: var(--bg-bone);
    border: 1px solid var(--border-hairline);
    padding: 1.75rem;
    box-shadow: var(--shadow-museum);
    position: relative;
}

.artifact-frame::before {
    content: "";
    position: absolute;
    inset: 9px;
    border: 1px solid var(--border-brass);
    pointer-events: none;
}

.artifact-frame__stage {
    aspect-ratio: 4 / 4.2;
    background-color: var(--bg-espresso);
    overflow: hidden;
    position: relative;
}

.artifact-frame__stage img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.artifact-frame__caption {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 1rem;
    font-family: var(--font-ui);
    font-size: 0.7rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.artifact-thumbs {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.85rem;
    margin-top: 1rem;
}

.artifact-thumb {
    aspect-ratio: 1;
    border: 1px solid var(--border-hairline);
    padding: 0.25rem;
    background-color: var(--bg-bone);
    cursor: pointer;
    opacity: 0.7;
    transition: var(--transition-elegant);
}

.artifact-thumb.is-active,
.artifact-thumb:hover {
    opacity: 1;
    border-color: var(--accent-brass);
}

.artifact-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Sağ: Eser Künyesi & WhatsApp Danışmanlık Paneli */
.artifact-dossier {
    background-color: var(--bg-bone);
    border: 1px solid var(--border-hairline);
    padding: 2.75rem;
    position: relative;
}

.artifact-dossier::before {
    content: "";
    position: absolute;
    inset: 7px;
    border: 1px solid rgba(158, 123, 66, 0.22);
    pointer-events: none;
}

.artifact-dossier__top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 0.85rem;
}

.artifact-dossier__code {
    font-family: var(--font-ui);
    font-size: 0.74rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    padding: 0.3rem 0.75rem;
    background-color: var(--bg-aged-paper);
    border: 1px solid var(--border-hairline);
    color: var(--text-soot);
}

.artifact-dossier__title {
    font-size: clamp(1.85rem, 2.8vw, 2.5rem);
    margin-bottom: 1.25rem;
}

.artifact-dossier__valuation {
    background-color: var(--bg-parchment);
    border: 1px solid var(--border-brass);
    padding: 1.15rem 1.4rem;
    margin-bottom: 1.75rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
}

.valuation__label {
    font-family: var(--font-ui);
    font-size: 0.72rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--text-muted);
    display: block;
}

.valuation__amount {
    font-family: var(--font-serif);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--accent-burgundy);
}

.valuation__status-badge {
    font-family: var(--font-ui);
    font-size: 0.68rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    padding: 0.35rem 0.75rem;
    background-color: rgba(94, 33, 36, 0.09);
    color: var(--accent-burgundy);
    border: 1px solid rgba(94, 33, 36, 0.25);
}

/* Müze Künye Tablosu (Metabox Verileri) */
.curatorial-ledger {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 2rem;
    border-top: 2px solid var(--text-soot);
    border-bottom: 2px solid var(--text-soot);
}

.curatorial-ledger tr {
    border-bottom: 1px solid var(--border-hairline);
}

.curatorial-ledger th,
.curatorial-ledger td {
    padding: 0.85rem 0.65rem;
    text-align: left;
    vertical-align: top;
}

.curatorial-ledger th {
    width: 42%;
    font-family: var(--font-ui);
    font-size: 0.73rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.13em;
    color: var(--text-muted);
}

.curatorial-ledger td {
    font-family: var(--font-body);
    font-size: 1.08rem;
    font-weight: 500;
    color: var(--text-soot);
}

.artifact-whatsapp-box {
    background-color: var(--bg-parchment);
    border: 1px solid var(--border-hairline);
    padding: 1.5rem;
    margin-bottom: 1.75rem;
}

.artifact-whatsapp-box__hint {
    font-size: 0.92rem;
    color: var(--text-muted);
    margin-top: 0.75rem;
    margin-bottom: 0;
    text-align: center;
    font-style: italic;
}

.authenticity-guarantee {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    padding-top: 1.25rem;
    border-top: 1px solid var(--border-hairline);
}

.guarantee-item {
    display: flex;
    align-items: flex-start;
    gap: 0.65rem;
    font-size: 0.92rem;
    color: var(--text-charcoal);
}

.guarantee-item svg {
    width: 18px;
    height: 18px;
    color: var(--accent-brass);
    flex-shrink: 0;
    margin-top: 0.2rem;
}

/* Eserin Detaylı Hikayesi & Provenans Bölümü */
.artifact-narrative {
    margin-top: 4rem;
    background-color: var(--bg-bone);
    border: 1px solid var(--border-hairline);
    padding: 3.25rem;
}

.artifact-narrative__header {
    border-bottom: 1px solid var(--border-hairline);
    padding-bottom: 1.25rem;
    margin-bottom: 2rem;
}

.artifact-narrative__content {
    font-size: 1.2rem;
    line-height: 1.85;
    color: var(--text-charcoal);
}

.artifact-narrative__content p:first-of-type::first-letter {
    font-family: var(--font-serif);
    font-size: 3.4rem;
    float: left;
    line-height: 0.85;
    margin-right: 0.65rem;
    margin-top: 0.2rem;
    color: var(--accent-brass);
    font-weight: 700;
}

/* ==========================================================================
   10. FOOTER (KURUMSAL HİKAYE, SAATLER & ADRES)
   ========================================================================== */
.site-footer {
    background-color: var(--bg-espresso);
    color: var(--text-light);
    border-top: 4px double var(--accent-brass);
    padding: 4.5rem 0 2rem;
}

.site-footer__grid {
    display: grid;
    grid-template-columns: 1.4fr 0.8fr 1fr 1fr;
    gap: 3rem;
    padding-bottom: 3.5rem;
    border-bottom: 1px solid var(--border-dark);
}

.footer-col__title {
    font-family: var(--font-ui);
    font-size: 0.76rem;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--accent-brass-light);
    margin-bottom: 1.35rem;
}

.footer-story {
    color: var(--text-light-muted);
    font-size: 1.05rem;
    line-height: 1.75;
    margin-bottom: 1.5rem;
}

.footer-socials {
    display: flex;
    align-items: center;
    gap: 0.85rem;
}

.footer-social-link {
    padding: 0.45rem 0.9rem;
    border: 1px solid var(--border-brass);
    font-family: var(--font-ui);
    font-size: 0.7rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent-brass-light);
}

.footer-social-link:hover {
    background-color: var(--accent-brass);
    color: var(--bg-espresso);
}

.footer-links li {
    margin-bottom: 0.65rem;
}

.footer-links a {
    color: var(--text-light-muted);
    font-size: 1.02rem;
}

.footer-links a:hover {
    color: var(--accent-brass-light);
    padding-left: 4px;
}

.footer-contact-list li {
    margin-bottom: 0.95rem;
    color: var(--text-light-muted);
    font-size: 1rem;
}

.footer-contact-list strong {
    display: block;
    font-family: var(--font-ui);
    font-size: 0.68rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--accent-brass-light);
    margin-bottom: 0.15rem;
}

.site-footer__bottom {
    padding-top: 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
    font-family: var(--font-ui);
    font-size: 0.72rem;
    letter-spacing: 0.1em;
    color: var(--text-light-muted);
}

/* ==========================================================================
   11. SABİT WHATSAPP DANIŞMA BUTONU (PİRİNÇ/ALTIN MÜZE ROZETİ)
   ========================================================================== */
.floating-whatsapp {
    position: fixed;
    right: 1.75rem;
    bottom: 1.75rem;
    z-index: 999;
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    background-color: var(--bg-espresso);
    color: var(--accent-brass-light);
    border: 1px solid var(--accent-brass);
    padding: 0.85rem 1.35rem;
    border-radius: var(--radius-sharp);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.32);
    transition: var(--transition-elegant);
}

.floating-whatsapp::before {
    content: "";
    position: absolute;
    inset: 3px;
    border: 1px solid rgba(200, 169, 113, 0.25);
    pointer-events: none;
}

.floating-whatsapp:hover {
    background-color: var(--accent-brass);
    color: var(--bg-espresso);
    transform: translateY(-3px);
}

.floating-whatsapp__icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.floating-whatsapp__text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.floating-whatsapp__sub {
    font-family: var(--font-ui);
    font-size: 0.6rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    opacity: 0.85;
}

.floating-whatsapp__title {
    font-family: var(--font-serif);
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0.03em;
}

/* ==========================================================================
   12. RESPONSIVE (MOBİL VE TABLET UYUMLULUK)
   ========================================================================== */
@media (max-width: 1100px) {
    .antique-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .hero-curator__inner,
    .appraisal-cta__frame,
    .artifact-showcase {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    .artifact-gallery {
        position: static;
    }
    .site-footer__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 1.25rem;
    }
    .section-spacing {
        padding: 3.75rem 0;
    }
    .announcement-bar__meta {
        display: none;
    }
    .announcement-bar__inner {
        justify-content: center;
        text-align: center;
    }
    .mobile-menu-toggle {
        display: inline-block;
    }
    .primary-nav {
        display: none;
        width: 100%;
        padding-top: 1rem;
        border-top: 1px solid var(--border-hairline);
    }
    .primary-nav.is-open {
        display: block;
    }
    .primary-nav__list {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.85rem;
    }
    .site-header__inner {
        flex-wrap: wrap;
    }
    .site-header__actions .btn {
        display: none;
    }
    .antique-grid {
        grid-template-columns: 1fr;
    }
    .appraisal-cta__frame {
        padding: 2rem 1.5rem;
    }
    .artifact-dossier,
    .artifact-narrative {
        padding: 1.75rem 1.35rem;
    }
    .authenticity-guarantee,
    .site-footer__grid {
        grid-template-columns: 1fr;
    }
    .floating-whatsapp {
        right: 1rem;
        bottom: 1rem;
        padding: 0.75rem 1rem;
    }
}