@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&family=Playfair+Display:ital,wght@0,600;1,600&family=Plus+Jakarta+Sans:wght@300;400;500;600&display=swap');

:root {
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-bronze-light: #fbf8f3;
    --bg-dark-accent: #191c1e;
    
    --text-dark: #1a1d20;
    --text-muted: #64748b;
    --text-light: #ffffff;
    
    --color-bronze: #c59d5f;
    --color-bronze-dark: #a88145;
    --color-bronze-hover: #b38a4c;
    --color-border: #eaeff4;
    --color-border-dark: #d2d8df;
    
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Plus Jakarta Sans', sans-serif;
    --font-serif: 'Playfair Display', serif;
    
    --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.03);
    --shadow-md: 0 12px 32px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 20px 45px rgba(0, 0, 0, 0.08);
    --shadow-bronze: 0 15px 35px rgba(197, 157, 95, 0.15);
    
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 30px;
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

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

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

ul {
    list-style: none;
}

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

button, input, textarea, select {
    font-family: inherit;
    border: none;
    outline: none;
}

/* ==========================================================================
   CONTAINER & REUSABLE COMPONENTS
   ========================================================================== */
.container {
    width: 100%;
    max-width: 1360px;
    margin: 0 auto;
    padding: 0 32px;
}

.section-padding {
    padding: 100px 0;
}

.section-subtitle {
    font-family: var(--font-heading);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--color-bronze);
    margin-bottom: 12px;
    display: block;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 2.6rem;
    font-weight: 700;
    color: var(--text-dark);
    line-height: 1.25;
    margin-bottom: 30px;
    letter-spacing: -0.02em;
}

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

/* BUTONLAR */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    padding: 14px 28px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn-bronze {
    background-color: var(--color-bronze);
    color: var(--text-light);
    box-shadow: 0 8px 20px rgba(197, 157, 95, 0.25);
}
.btn-bronze:hover {
    background-color: var(--color-bronze-dark);
    transform: translateY(-2px);
    box-shadow: 0 12px 28px rgba(197, 157, 95, 0.35);
}

.btn-outline-bronze {
    background: transparent;
    color: var(--color-bronze-dark);
    border: 1px solid var(--color-bronze);
}
.btn-outline-bronze:hover {
    background-color: var(--color-bronze);
    color: var(--text-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-bronze);
}

.btn-outline-dark {
    background: transparent;
    color: var(--text-dark);
    border: 1px solid var(--color-border-dark);
}
.btn-outline-dark:hover {
    border-color: var(--color-bronze);
    color: var(--color-bronze);
    transform: translateY(-2px);
}

.arrow-icon {
    display: inline-flex;
    transition: transform 0.3s ease;
}
.btn:hover .arrow-icon, 
.product-card:hover .card-arrow {
    transform: translateX(4px);
}

/* ==========================================================================
   HEADER & NAVBAR
   ========================================================================== */
.header {
    position: sticky;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(12px);
    z-index: 1000;
    border-bottom: 1px solid var(--color-border);
    transition: var(--transition);
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 90px;
    transition: var(--transition);
}

.header.scrolled .navbar {
    height: 70px;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    font-weight: 700;
    letter-spacing: 0.3em;
    color: var(--text-dark);
    text-transform: uppercase;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 36px;
}

.nav-link {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: #3f464d;
    position: relative;
    padding: 6px 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-bronze);
    transition: width 0.3s ease;
}

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

.nav-link:hover,
.nav-link.active {
    color: var(--text-dark);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    z-index: 1001;
}

.hamburger span {
    display: block;
    width: 26px;
    height: 2px;
    background-color: var(--text-dark);
    transition: var(--transition);
}

/* ==========================================================================
   HERO BÖLÜMÜ (01 ANASAYFA & KURUMSAL HEROLARI)
   ========================================================================== */
.hero-section {
    padding: 60px 0 80px;
    position: relative;
    background: radial-gradient(circle at 80% 20%, rgba(197, 157, 95, 0.04) 0%, transparent 50%);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: 50px;
    align-items: center;
}

.hero-content {
    max-width: 540px;
}

.hero-slogan-small {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 400;
    color: #4a5568;
    margin-bottom: 8px;
    letter-spacing: 0.05em;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 4rem;
    font-weight: 700;
    line-height: 1.05;
    letter-spacing: -0.03em;
    color: var(--text-dark);
    margin-bottom: 24px;
}

.hero-desc {
    font-size: 1.15rem;
    color: var(--text-muted);
    margin-bottom: 36px;
    line-height: 1.7;
}

.hero-visual-wrapper {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.08);
    background-color: #f1f5f9;
    aspect-ratio: 16 / 10;
}

.hero-visual-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scale(1.01);
    transition: transform 1s ease;
}

.hero-visual-wrapper:hover img {
    transform: scale(1.04);
}

/* ETKİLEŞİMLİ NOKTA (HOTSPOT) */
.hotspot-btn {
    position: absolute;
    bottom: 40px;
    right: 40px;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(8px);
    padding: 12px 24px;
    border-radius: 50px;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-dark);
    transition: var(--transition);
}
.hotspot-btn:hover {
    background-color: var(--color-bronze);
    color: var(--text-light);
    transform: scale(1.05);
}
.pulse-circle {
    width: 10px;
    height: 10px;
    background-color: var(--color-bronze);
    border-radius: 50%;
    position: relative;
}
.pulse-circle::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    background-color: var(--color-bronze);
    border-radius: 50%;
    animation: pulse 1.8s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); opacity: 0.8; }
    100% { transform: scale(3.5); opacity: 0; }
}

/* ==========================================================================
   İSTATİSTİKLER BÖLÜMÜ (COUNTER STATS)
   ========================================================================== */
.stats-section {
    padding: 50px 0;
    background-color: var(--bg-primary);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 24px;
    padding: 15px 10px;
    position: relative;
}

.stat-item:not(:last-child)::after {
    content: '';
    position: absolute;
    right: 0;
    top: 20%;
    height: 60%;
    width: 1px;
    background-color: var(--color-border);
}

.stat-icon {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-bronze);
    flex-shrink: 0;
}

.stat-info h3 {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--text-dark);
    line-height: 1.1;
}

.stat-info p {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-top: 4px;
}

/* ==========================================================================
   ÜRÜN GRUPLARI CARDS (03 ÜRÜNLER & ANA SAYFA)
   ========================================================================== */
.products-section {
    padding: 100px 0;
    background-color: var(--bg-secondary);
}

.section-header-flex {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    margin-bottom: 50px;
    flex-wrap: wrap;
    gap: 20px;
}

.products-grid-5 {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 24px;
}

.product-card {
    background-color: var(--bg-primary);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    border: 1px solid rgba(0, 0, 0, 0.03);
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-bronze);
    border-color: rgba(197, 157, 95, 0.3);
}

.card-image-wrap {
    height: 220px;
    overflow: hidden;
    position: relative;
    background-color: #eaeef2;
}

.card-image-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.product-card:hover .card-image-wrap img {
    transform: scale(1.08);
}

.card-body {
    padding: 24px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-grow: 1;
    background: #ffffff;
}

.card-body h4 {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-dark);
    line-height: 1.3;
    letter-spacing: 0.02em;
}

.card-arrow {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-bronze);
    background-color: var(--bg-bronze-light);
    transition: var(--transition);
    flex-shrink: 0;
}

.product-card:hover .card-arrow {
    background-color: var(--color-bronze);
    color: #ffffff;
}

/* ==========================================================================
   MİMARİ ESTETİK KALİTE (ARCHITECTURAL BANNER)
   ========================================================================== */
.architectural-banner {
    padding: 120px 0;
    background: linear-gradient(135deg, #fcfcfd 0%, #f1f4f8 100%);
    position: relative;
    overflow: hidden;
}

.architectural-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
    align-items: center;
}

.typography-showcase {
    display: flex;
    flex-direction: column;
    line-height: 0.95;
    user-select: none;
}

.typo-main {
    font-family: var(--font-heading);
    font-size: 5.5rem;
    font-weight: 800;
    color: var(--text-dark);
    letter-spacing: -0.04em;
}

.typo-accent {
    font-family: var(--font-serif);
    font-size: 6.5rem;
    font-weight: 600;
    font-style: italic;
    color: var(--color-bronze);
    letter-spacing: -0.02em;
    padding-left: 1rem;
}

.banner-desc {
    font-size: 1.25rem;
    color: #4a5568;
    line-height: 1.8;
    margin-bottom: 40px;
}

/* ==========================================================================
   KURUMSAL SAYFASI (ABOUT US & VALUES)
   ========================================================================== */
.page-header-banner {
    padding: 80px 0 40px;
    text-align: center;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--color-border);
}

.page-title {
    font-family: var(--font-heading);
    font-size: 3.2rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-top: 10px;
}

.about-content-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-top: 60px;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 70px;
}

.value-card {
    background: #ffffff;
    padding: 45px 35px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
    text-align: center;
    transition: var(--transition);
}

.value-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-bronze);
    border-color: var(--color-bronze);
}

.value-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto 24px;
    color: var(--color-bronze);
}

.value-card h3 {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-dark);
}

.value-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* ==========================================================================
   PROJELER & FİLTRELEME (PORTFOLIO FILTER)
   ========================================================================== */
.filter-tabs {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.filter-btn {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    padding: 10px 24px;
    border-radius: 50px;
    background-color: var(--bg-secondary);
    color: var(--text-muted);
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid var(--color-border);
}

.filter-btn:hover,
.filter-btn.active {
    background-color: var(--color-bronze);
    color: #ffffff;
    border-color: var(--color-bronze);
    box-shadow: 0 6px 16px rgba(197, 157, 95, 0.25);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.project-item {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    aspect-ratio: 4 / 3;
    cursor: pointer;
}

.project-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.project-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(26, 29, 32, 0.9) 0%, rgba(26, 29, 32, 0.2) 60%, transparent 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 30px;
    opacity: 0;
    transition: var(--transition);
}

.project-item:hover img {
    transform: scale(1.08);
}

.project-item:hover .project-overlay {
    opacity: 1;
}

.project-overlay span {
    font-size: 0.75rem;
    text-transform: uppercase;
    color: var(--color-bronze);
    font-weight: 600;
    letter-spacing: 0.15em;
}

.project-overlay h4 {
    color: #ffffff;
    font-size: 1.35rem;
    font-family: var(--font-heading);
    font-weight: 700;
    margin-top: 4px;
}

/* ==========================================================================
   ÜRÜN VE PROJE DETAY & TEKNİK ÖZELLİKLER
   ========================================================================== */
.detail-layout {
    display: grid;
    grid-template-columns: 1.8fr 1.2fr;
    gap: 50px;
    align-items: flex-start;
}

.feature-badges {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin: 40px 0;
}

.feature-badge {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px;
    background-color: var(--bg-secondary);
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
}

.feature-badge-icon {
    width: 38px;
    height: 38px;
    color: var(--color-bronze);
    flex-shrink: 0;
}

.feature-badge span {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-dark);
}

.tech-table {
    width: 100%;
    border-collapse: collapse;
    background: #ffffff;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
}

.tech-table th, .tech-table td {
    padding: 16px 24px;
    text-align: left;
    font-size: 0.92rem;
}

.tech-table tr:nth-child(even) {
    background-color: var(--bg-secondary);
}

.tech-table td:first-child {
    font-weight: 600;
    color: var(--text-muted);
}

.tech-table td:last-child {
    font-weight: 600;
    color: var(--text-dark);
    text-align: right;
}

/* ==========================================================================
   ÜRETİMDE KALİTE & TEKNOLOJİ
   ========================================================================== */
.production-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 50px;
}

.production-card {
    border-radius: var(--radius-md);
    overflow: hidden;
    aspect-ratio: 16/11;
    box-shadow: var(--shadow-sm);
}
.production-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}
.production-card:hover img {
    transform: scale(1.06);
}

/* ==========================================================================
   İLETİŞİM BÖLÜMÜ & FORMLAR
   ========================================================================== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: 60px;
    align-items: flex-start;
}

.contact-info-card {
    background-color: var(--bg-secondary);
    padding: 40px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 32px;
}
.contact-item:last-child {
    margin-bottom: 0;
}

.contact-item-icon {
    width: 44px;
    height: 44px;
    background-color: var(--bg-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-bronze);
    box-shadow: var(--shadow-sm);
    flex-shrink: 0;
}

.contact-form-box {
    background-color: #ffffff;
    padding: 45px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-border);
}

.form-group {
    margin-bottom: 24px;
}

.form-label {
    display: block;
    font-family: var(--font-heading);
    font-size: 0.82rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.form-input, .form-textarea, .form-select {
    width: 100%;
    padding: 15px 18px;
    border: 1px solid var(--color-border-dark);
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    color: var(--text-dark);
    background-color: #ffffff;
    transition: var(--transition);
}

.form-input:focus, .form-textarea:focus, .form-select:focus {
    border-color: var(--color-bronze);
    box-shadow: 0 0 0 3px rgba(197, 157, 95, 0.12);
}

.map-wrapper {
    margin-top: 80px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    height: 450px;
    box-shadow: var(--shadow-md);
}

/* ==========================================================================
   BLOG / HABERLER VE MAKALELER
   ========================================================================== */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.blog-card {
    background-color: #ffffff;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--color-border);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}
.blog-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
}

.blog-img {
    height: 240px;
    overflow: hidden;
    position: relative;
}

.blog-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}
.blog-card:hover .blog-img img {
    transform: scale(1.06);
}

.blog-date {
    position: absolute;
    bottom: 16px;
    left: 16px;
    background-color: rgba(26, 29, 32, 0.85);
    color: var(--color-bronze);
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 6px 12px;
    border-radius: 4px;
    backdrop-filter: blur(4px);
}

.blog-content {
    padding: 28px 24px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    flex-grow: 1;
}

.blog-content h3 {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 700;
    line-height: 1.35;
    color: var(--text-dark);
    margin-bottom: 16px;
    transition: color 0.2s ease;
}

.blog-card:hover .blog-content h3 {
    color: var(--color-bronze-dark);
}

/* ==========================================================================
   404 HATA EKRANI (MINIMALIST ARCHITECTURE)
   ========================================================================== */
.error-section {
    min-height: 75vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: radial-gradient(circle, var(--bg-secondary) 0%, #ffffff 100%);
}

.error-title {
    font-family: var(--font-heading);
    font-size: 12rem;
    font-weight: 800;
    line-height: 1;
    color: var(--color-bronze);
    letter-spacing: -0.05em;
    text-shadow: 0 20px 50px rgba(197, 157, 95, 0.2);
    margin-bottom: 20px;
}

.error-desc {
    font-size: 1.3rem;
    color: var(--text-muted);
    max-width: 460px;
    margin: 0 auto 40px;
}

/* ==========================================================================
   ALT TEKLİF BANNERI (CTA CALLOUT)
   ========================================================================== */
.cta-banner {
    background-color: var(--bg-dark-accent);
    color: var(--text-light);
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.cta-flex {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    flex-wrap: wrap;
}

.cta-text h3 {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 700;
    color: #ffffff;
}

/* ==========================================================================
   FOOTER SİSTEMİ
   ========================================================================== */
.footer {
    background-color: #ffffff;
    border-top: 1px solid var(--color-border);
    padding-top: 80px;
    font-size: 0.95rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.8fr 1fr 1fr 1.2fr;
    gap: 50px;
    margin-bottom: 60px;
}

.footer-logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 0.25em;
    color: var(--text-dark);
    margin-bottom: 20px;
    display: inline-block;
}

.footer-col h5 {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--text-dark);
    margin-bottom: 24px;
}

.footer-links li {
    margin-bottom: 14px;
}

.footer-links a {
    color: var(--text-muted);
}
.footer-links a:hover {
    color: var(--color-bronze);
    padding-left: 4px;
}

.social-icons {
    display: flex;
    gap: 12px;
    margin-top: 24px;
}

.social-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--bg-secondary);
    border: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-dark);
    transition: var(--transition);
}

.social-btn:hover {
    background-color: var(--color-bronze);
    border-color: var(--color-bronze);
    color: #ffffff;
    transform: translateY(-3px);
}

.footer-bottom {
    padding: 30px 0;
    border-top: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* ==========================================================================
   RESPONSIVE DESIGN (MOBİL & TABLET UYUMU)
   ========================================================================== */
@media (max-width: 1200px) {
    .products-grid-5 {
        grid-template-columns: repeat(3, 1fr);
    }
    .typo-main { font-size: 4.5rem; }
    .typo-accent { font-size: 5.5rem; }
}

@media (max-width: 992px) {
    .hero-grid, 
    .architectural-grid, 
    .about-content-grid,
    .contact-grid,
    .detail-layout {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .stats-grid, 
    .values-grid,
    .projects-grid,
    .production-grid,
    .blog-grid,
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .stat-item:nth-child(2)::after,
    .stat-item:nth-child(4)::after {
        display: none;
    }
}

@media (max-width: 768px) {
    .container { padding: 0 20px; }
    .section-padding { padding: 70px 0; }
    
    .hamburger { display: flex; }
    
    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: #ffffff;
        flex-direction: column;
        align-items: flex-start;
        padding: 30px;
        box-shadow: var(--shadow-lg);
        border-bottom: 1px solid var(--color-border);
        display: none;
        gap: 20px;
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .products-grid-5 {
        grid-template-columns: repeat(1, 1fr);
    }
    
    .stats-grid,
    .values-grid,
    .projects-grid,
    .production-grid,
    .blog-grid,
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .stat-item::after { display: none; }
    
    .typo-main { font-size: 3rem; }
    .typo-accent { font-size: 3.8rem; }
    .hero-title { font-size: 2.8rem; }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: 16px;
    }
}