/* ==========================================================================
   JÜPİTER AYDINLATMA - MODERN LIGHT ARCHITECTURAL STYLESHEET
   Inspired by GMC LED (gmcled.com) - 100% Light Theme, Zero Orange
   ========================================================================== */

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: #ffffff;
    color: #334155;
    line-height: 1.6;
    font-size: 15px;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color 0.2s ease, opacity 0.2s ease;
}

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

.site-container {
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ═══════════ TOPBAR (LIGHT THEME) ═══════════ */
.site-topbar {
    background-color: #f8fafc;
    border-bottom: 1px solid #e2e8f0;
    font-size: 12px;
    color: #64748b;
    padding: 8px 0;
}
.topbar-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.topbar-left, .topbar-right {
    display: flex;
    align-items: center;
    gap: 12px;
}
.topbar-sep {
    color: #cbd5e1;
}
.topbar-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: #475569;
    font-weight: 500;
}
.topbar-link:hover {
    color: #0f172a;
}
.topbar-whatsapp {
    color: #0f172a;
}
.topbar-whatsapp:hover {
    color: var(--accent, #1e293b);
}

/* ═══════════ HEADER & NAV (CLEAN WHITE) ═══════════ */
.main-header {
    position: sticky;
    top: 0;
    z-index: 999;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid #e2e8f0;
    transition: all 0.3s ease;
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 76px;
}
.header-logo {
    display: flex;
    align-items: center;
}
.brand-logo-img {
    height: 42px;
    width: auto;
    object-fit: contain;
}
.header-nav {
    display: flex;
    align-items: center;
    gap: 28px;
}
.nav-item {
    font-size: 14px;
    font-weight: 500;
    color: #475569;
    position: relative;
    padding: 8px 0;
    transition: color 0.2s ease;
}
.nav-item:hover, .nav-item.active {
    color: #0f172a;
    font-weight: 600;
}
.nav-item.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background: #0f172a;
    border-radius: 2px;
}
.nav-highlight {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--accent, #1e293b);
}
.badge-new {
    background: var(--accent, #1e293b);
    color: #ffffff;
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 0.5px;
    padding: 2px 6px;
    border-radius: 4px;
}
.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}
.btn-header-quote {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #0f172a;
    color: #ffffff;
    font-size: 13px;
    font-weight: 600;
    padding: 10px 20px;
    border-radius: 8px;
    transition: background 0.2s ease, transform 0.2s ease;
}
.btn-header-quote:hover {
    background: #1e293b;
    transform: translateY(-1px);
}
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 36px;
    height: 36px;
    background: transparent;
    border: none;
    cursor: pointer;
}
.mobile-menu-btn span {
    display: block;
    width: 22px;
    height: 2px;
    background: #0f172a;
    border-radius: 2px;
    transition: 0.3s;
}

/* ═══════════ MOBILE DRAWER ═══════════ */
.mobile-drawer {
    position: fixed;
    top: 0;
    right: -320px;
    width: 300px;
    height: 100vh;
    background: #ffffff;
    z-index: 10000;
    transition: right 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    padding: 24px;
    border-left: 1px solid #e2e8f0;
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.08);
}
.mobile-drawer.open {
    right: 0;
}
.drawer-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(15, 23, 42, 0.5);
    backdrop-filter: blur(4px);
    z-index: 9999;
    display: none;
}
.drawer-backdrop.open {
    display: block;
}
.drawer-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 20px;
    border-bottom: 1px solid #e2e8f0;
}
.drawer-logo {
    height: 34px;
}
.drawer-close-btn {
    background: transparent;
    border: none;
    color: #0f172a;
    font-size: 28px;
    cursor: pointer;
}
.drawer-nav {
    display: flex;
    flex-direction: column;
    gap: 16px;
    padding: 24px 0;
    flex: 1;
}
.drawer-link {
    font-size: 16px;
    font-weight: 500;
    color: #475569;
    padding: 8px 0;
    border-bottom: 1px solid #f1f5f9;
}
.drawer-link.active, .drawer-link:hover {
    color: #0f172a;
    font-weight: 600;
}
.drawer-footer {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.drawer-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 11px;
    border-radius: 8px;
    background: #f1f5f9;
    color: #0f172a;
    font-size: 13px;
    font-weight: 600;
}
.drawer-btn-wa {
    background: #0f172a;
    color: #ffffff;
}

/* ═══════════ HERO SLIDER (LIGHT ARCHITECTURAL) ═══════════ */
.hero-slider-section {
    position: relative;
    width: 100%;
    height: calc(100vh - 76px);
    height: calc(100dvh - 76px);
    min-height: calc(100dvh - 76px);
    background: #f8fafc;
    overflow: hidden;
}
.slider-container {
    position: relative;
    width: 100%;
    height: 100%;
}
.slide-item {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    visibility: hidden;
    transition: opacity 1s cubic-bezier(0.4, 0, 0.2, 1), transform 1.2s cubic-bezier(0.4, 0, 0.2, 1);
    transform: scale(1.03);
}
.slide-item.active {
    opacity: 1;
    visibility: visible;
    transform: scale(1);
    z-index: 2;
}
.slide-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
}
/* Crisp Light-to-semi-translucent overlay for daylight feel */
.slide-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, rgba(255, 255, 255, 0.96) 0%, rgba(255, 255, 255, 0.88) 45%, rgba(255, 255, 255, 0.35) 100%);
}
.slide-content-wrap {
    position: relative;
    z-index: 3;
    height: 100%;
    display: flex;
    align-items: center;
}
.slide-content {
    max-width: 680px;
    padding: 40px 0;
}
.slide-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #f1f5f9;
    border: 1px solid #e2e8f0;
    color: #0f172a;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    padding: 6px 14px;
    border-radius: 30px;
    margin-bottom: 20px;
}
.slide-title {
    font-size: 46px;
    line-height: 1.15;
    font-weight: 800;
    color: #0f172a;
    margin-bottom: 18px;
    letter-spacing: -0.5px;
}
.slide-desc {
    font-size: 17px;
    color: #475569;
    line-height: 1.6;
    margin-bottom: 32px;
    max-width: 580px;
}
.slide-actions {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background: #0f172a;
    color: #ffffff;
    font-size: 15px;
    font-weight: 600;
    padding: 13px 28px;
    border-radius: 8px;
    transition: all 0.25s ease;
    box-shadow: 0 4px 14px rgba(15, 23, 42, 0.18);
}
.btn-primary:hover {
    background: #1e293b;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(15, 23, 42, 0.28);
}
.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background: #ffffff;
    color: #0f172a;
    font-size: 15px;
    font-weight: 600;
    padding: 13px 26px;
    border-radius: 8px;
    border: 1px solid #cbd5e1;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    transition: all 0.25s ease;
}
.btn-secondary:hover {
    background: #f8fafc;
    border-color: #94a3b8;
    transform: translateY(-2px);
}

/* Slider Controls */
.slider-arrow {
    display: none !important;
}

.slider-dots {
    position: absolute;
    bottom: 28px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    display: flex;
    gap: 10px;
}
.slider-dot {
    width: 32px;
    height: 4px;
    border-radius: 2px;
    background: rgba(15, 23, 42, 0.2);
    cursor: pointer;
    transition: all 0.3s ease;
}
.slider-dot.active {
    background: #0f172a;
    width: 48px;
}

/* ═══════════ SECTION HEADINGS & BASICS ═══════════ */
.section-pad {
    padding: 80px 0;
}
.section-pad-sm {
    padding: 50px 0;
}
.section-header {
    text-align: center;
    max-width: 680px;
    margin: 0 auto 50px auto;
}
.section-subtitle {
    display: inline-block;
    color: var(--accent, #1e293b);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    margin-bottom: 10px;
}
.section-title {
    font-size: 34px;
    font-weight: 800;
    color: #0f172a;
    line-height: 1.25;
    margin-bottom: 14px;
    letter-spacing: -0.5px;
}
.section-desc {
    color: #64748b;
    font-size: 16px;
    line-height: 1.6;
}

/* ═══════════ FEATURE STATS BAR (GMC LED STYLE) ═══════════ */
.quality-bar {
    background: #f8fafc;
    border-top: 1px solid #e2e8f0;
    border-bottom: 1px solid #e2e8f0;
    padding: 44px 0;
}
.quality-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.quality-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 8px;
}
.quality-icon-wrap {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: #ffffff;
    border: 1px solid #e2e8f0;
    color: #0f172a;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.03);
}
.quality-content h4 {
    font-size: 16px;
    font-weight: 700;
    color: #0f172a;
    margin-bottom: 4px;
}
.quality-content p {
    font-size: 13px;
    color: #64748b;
    line-height: 1.5;
}

/* ═══════════ 3 RAIL SYSTEMS CARDS (LIGHT CLEAN) ═══════════ */
.systems-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}
.system-card {
    background: #ffffff;
    border-radius: 14px;
    border: 1px solid #e2e8f0;
    overflow: hidden;
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
}
.system-card:hover {
    transform: translateY(-6px);
    border-color: #cbd5e1;
    box-shadow: 0 16px 36px rgba(0, 0, 0, 0.08);
}
.system-img-wrap {
    position: relative;
    width: 100%;
    height: 240px;
    overflow: hidden;
    background: #f1f5f9;
}
.system-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}
.system-card:hover .system-img {
    transform: scale(1.06);
}
.system-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    background: rgba(15, 23, 42, 0.85);
    backdrop-filter: blur(4px);
    color: #ffffff;
    font-size: 11px;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 6px;
}
.system-body {
    padding: 24px;
    flex: 1;
    display: flex;
    flex-direction: column;
}
.system-title {
    font-size: 20px;
    font-weight: 700;
    color: #0f172a;
    margin-bottom: 6px;
}
.system-subtitle {
    font-size: 13px;
    color: var(--accent, #1e293b);
    margin-bottom: 12px;
    font-weight: 600;
}
.system-desc {
    font-size: 14px;
    color: #64748b;
    line-height: 1.6;
    margin-bottom: 18px;
    flex: 1;
}
.system-specs-list {
    list-style: none;
    margin-bottom: 20px;
    padding-top: 14px;
    border-top: 1px solid #f1f5f9;
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.system-specs-list li {
    font-size: 12px;
    color: #475569;
    display: flex;
    align-items: center;
    gap: 8px;
}
.system-specs-list li::before {
    content: '';
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: #0f172a;
}
.system-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 11px;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    color: #0f172a;
    font-size: 13px;
    font-weight: 600;
    transition: all 0.2s ease;
}
.system-btn:hover {
    background: #0f172a;
    color: #ffffff;
    border-color: #0f172a;
}

/* ═══════════ PRODUCTS GRID & CARDS ═══════════ */
.products-filter-bar {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 36px;
    flex-wrap: wrap;
}
.filter-btn {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    color: #64748b;
    padding: 9px 20px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}
.filter-btn:hover, .filter-btn.active {
    background: #0f172a;
    border-color: #0f172a;
    color: #ffffff;
}
.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.product-card {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    overflow: hidden;
    transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
    display: flex;
    flex-direction: column;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.03);
}
.product-card:hover {
    transform: translateY(-4px);
    border-color: #cbd5e1;
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.08);
}
.product-thumb-wrap {
    position: relative;
    width: 100%;
    height: 210px;
    background: #f8fafc;
    border-bottom: 1px solid #f1f5f9;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
}
.product-thumb {
    max-height: 160px;
    width: auto;
    object-fit: contain;
    transition: transform 0.3s ease;
}
.product-card:hover .product-thumb {
    transform: scale(1.08);
}
.product-code-tag {
    position: absolute;
    top: 12px;
    left: 12px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    font-weight: 600;
    color: #475569;
    background: #ffffff;
    padding: 3px 8px;
    border-radius: 4px;
    border: 1px solid #e2e8f0;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.04);
}
.product-info {
    padding: 18px;
    flex: 1;
    display: flex;
    flex-direction: column;
}
.product-cat {
    font-size: 11px;
    color: var(--accent, #1e293b);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
}
.product-title {
    font-size: 16px;
    font-weight: 700;
    color: #0f172a;
    margin-bottom: 10px;
}
.product-specs {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 14px;
}
.spec-pill {
    background: #f1f5f9;
    color: #475569;
    font-size: 11px;
    font-weight: 500;
    padding: 3px 8px;
    border-radius: 4px;
    border: 1px solid #e2e8f0;
}
.product-desc {
    font-size: 13px;
    color: #64748b;
    line-height: 1.5;
    margin-bottom: 16px;
    flex: 1;
}
.product-btn-row {
    display: flex;
    gap: 8px;
}
.btn-quote-modal {
    flex: 1;
    background: #0f172a;
    color: #ffffff;
    font-size: 12px;
    font-weight: 600;
    padding: 9px 0;
    border-radius: 6px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s ease;
}
.btn-quote-modal:hover {
    background: #1e293b;
}
.btn-use-designer {
    padding: 8px 12px;
    background: #f1f5f9;
    border: 1px solid #e2e8f0;
    color: #0f172a;
    border-radius: 6px;
    font-size: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}
.btn-use-designer:hover {
    background: #0f172a;
    color: #ffffff;
    border-color: #0f172a;
}

/* ═══════════ 3D DESIGNER TEASER BANNER (LUXURY CONTRAST) ═══════════ */
.teaser-banner {
    position: relative;
    background-color: #0b1120;
    background-image: 
        linear-gradient(90deg, rgba(15, 23, 42, 0.95) 0%, rgba(15, 23, 42, 0.86) 48%, rgba(15, 23, 42, 0.50) 100%),
        url('../assets/images/designer_mockup.jpg');
    background-size: cover;
    background-position: center right;
    background-repeat: no-repeat;
    border-radius: 18px;
    padding: 48px;
    overflow: hidden;
    margin: 40px 0;
    box-shadow: 0 16px 40px rgba(15, 23, 42, 0.22);
    border: 1px solid rgba(255, 255, 255, 0.08);
}
.teaser-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    position: relative;
    z-index: 2;
}
.teaser-text {
    max-width: 580px;
    flex: 1;
}
.teaser-tag {
    display: inline-block;
    color: #ef4444;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    margin-bottom: 10px;
}
.teaser-heading {
    font-size: 32px;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 12px;
    line-height: 1.25;
}
.teaser-desc {
    font-size: 15px;
    color: #cbd5e1;
    line-height: 1.6;
    margin-bottom: 24px;
}
.teaser-cta-wrap {
    flex-shrink: 0;
    display: flex;
    align-items: center;
}
.btn-teaser-action {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background: #ffffff;
    color: #0f172a;
    font-size: 15px;
    font-weight: 700;
    padding: 14px 28px;
    border-radius: 10px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
    transition: transform 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
    white-space: nowrap !important;
    text-decoration: none;
    flex-shrink: 0;
}
.btn-teaser-action span {
    white-space: nowrap !important;
}
.btn-teaser-action:hover {
    transform: translateY(-2px);
    background: #f8fafc;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.35);
}

/* Teaser Mockup on Right */
.teaser-mockup-wrap {
    flex: 1;
    max-width: 480px;
    display: flex;
    justify-content: flex-end;
}
.mockup-frame {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(255, 255, 255, 0.12);
    transform: perspective(1000px) rotateY(-6deg) rotateX(2deg);
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}
.mockup-frame:hover {
    transform: perspective(1000px) rotateY(-2deg) rotateX(1deg) scale(1.02);
    box-shadow: 0 24px 50px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(255, 255, 255, 0.2);
}
.mockup-img {
    width: 100%;
    height: auto;
    display: block;
}

/* ═══════════ PROJECTS GALLERY ═══════════ */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
}
.project-card {
    position: relative;
    border-radius: 14px;
    overflow: hidden;
    height: 340px;
    background: #f1f5f9;
    border: 1px solid #e2e8f0;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
}
.project-bg {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}
.project-card:hover .project-bg {
    transform: scale(1.05);
}
.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(0deg, rgba(15, 23, 42, 0.92) 0%, rgba(15, 23, 42, 0.35) 50%, rgba(15, 23, 42, 0.05) 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 28px;
    transition: background 0.3s ease;
}
.project-tag {
    font-size: 11px;
    font-weight: 700;
    color: #ef4444;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 6px;
}
.project-title {
    font-size: 22px;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 6px;
}
.project-meta {
    font-size: 13px;
    color: #cbd5e1;
    display: flex;
    gap: 16px;
}

/* ═══════════ CONTACT & FORMS (LIGHT CLEAN) ═══════════ */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}
.contact-info-card {
    background: #ffffff;
    border-radius: 14px;
    border: 1px solid #e2e8f0;
    padding: 36px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
}
.contact-method {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 24px;
}
.contact-method-icon {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    background: #f1f5f9;
    color: #0f172a;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    border: 1px solid #e2e8f0;
}
.contact-method-title {
    font-size: 15px;
    font-weight: 600;
    color: #0f172a;
    margin-bottom: 3px;
}
.contact-method-desc {
    font-size: 14px;
    color: #64748b;
}
.contact-form-card {
    background: #ffffff;
    border-radius: 14px;
    border: 1px solid #e2e8f0;
    padding: 36px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
}
.form-group {
    margin-bottom: 20px;
}
.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: #334155;
    margin-bottom: 8px;
}
.form-control {
    width: 100%;
    background: #ffffff;
    border: 1px solid #cbd5e1;
    border-radius: 8px;
    padding: 12px 16px;
    font-size: 14px;
    color: #0f172a;
    font-family: inherit;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.form-control:focus {
    outline: none;
    border-color: #0f172a;
    box-shadow: 0 0 0 3px rgba(15, 23, 42, 0.1);
}
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

/* ═══════════ FOOTER (ARCHITECTURAL CHARCOAL/LIGHT CLEAN) ═══════════ */
.site-footer {
    background: #f8fafc;
    border-top: 1px solid #e2e8f0;
    padding: 70px 0 24px 0;
    margin-top: 60px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    margin-bottom: 50px;
}
.footer-logo {
    height: 38px;
    margin-bottom: 16px;
}
.footer-desc {
    font-size: 15px;
    font-weight: 700;
    color: #0f172a;
    margin-bottom: 10px;
}
.footer-subdesc {
    font-size: 13px;
    color: #64748b;
    line-height: 1.6;
    margin-bottom: 20px;
}
.footer-social {
    display: flex;
    gap: 10px;
}
.footer-social a {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    background: #ffffff;
    border: 1px solid #e2e8f0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #475569;
    transition: all 0.2s ease;
}
.footer-social a:hover {
    background: #0f172a;
    color: #ffffff;
    border-color: #0f172a;
}
.footer-heading {
    font-size: 15px;
    font-weight: 700;
    color: #0f172a;
    margin-bottom: 20px;
    letter-spacing: 0.5px;
}
.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.footer-links a {
    font-size: 13px;
    color: #64748b;
    transition: color 0.2s ease;
}
.footer-links a:hover {
    color: #0f172a;
    font-weight: 600;
}
.footer-contact-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin-bottom: 20px;
}
.footer-contact-list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 13px;
    color: #64748b;
}
.footer-contact-list svg {
    color: #0f172a;
    flex-shrink: 0;
    margin-top: 2px;
}
.footer-legal-links {
    font-size: 12px;
    color: #94a3b8;
    display: flex;
    gap: 8px;
    align-items: center;
}
.footer-legal-links a {
    color: #64748b;
}
.footer-legal-links a:hover {
    color: #0f172a;
}
.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 24px;
    border-top: 1px solid #e2e8f0;
    font-size: 12px;
    color: #94a3b8;
}

/* ═══════════ COOKIE BANNER (LIGHT GLASSMORPHISM) ═══════════ */
.cookie-banner {
    position: fixed;
    bottom: 24px;
    left: 24px;
    right: 24px;
    max-width: 900px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(12px);
    border: 1px solid #cbd5e1;
    border-radius: 12px;
    padding: 18px 24px;
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.12);
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    animation: cookieSlideUp 0.4s ease-out;
}
@keyframes cookieSlideUp {
    from { transform: translateY(100%); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}
.cookie-content {
    display: flex;
    align-items: center;
    gap: 16px;
    flex: 1;
}
.cookie-icon {
    color: #0f172a;
    flex-shrink: 0;
}
.cookie-text {
    font-size: 13px;
    color: #334155;
    line-height: 1.5;
}
.cookie-links a {
    color: var(--accent, #1e293b);
    text-decoration: underline;
    font-weight: 500;
}
.cookie-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}
.cookie-btn {
    padding: 8px 18px;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}
.cookie-btn-accept {
    background: #0f172a;
    color: #ffffff;
    border: none;
}
.cookie-btn-accept:hover {
    background: #1e293b;
}
.cookie-btn-reject {
    background: transparent;
    color: #64748b;
    border: 1px solid #cbd5e1;
}
.cookie-btn-reject:hover {
    color: #0f172a;
    border-color: #0f172a;
}

/* ═══════════ PAGE HERO HEADER (FOR SUBPAGES) ═══════════ */
.page-hero {
    background: #f8fafc;
    border-bottom: 1px solid #e2e8f0;
    padding: 64px 0 48px 0;
    text-align: center;
}
.page-hero-tag {
    display: inline-block;
    color: var(--accent, #1e293b);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    margin-bottom: 12px;
}
.page-hero-title {
    font-size: 38px;
    font-weight: 800;
    color: #0f172a;
    margin-bottom: 12px;
    letter-spacing: -0.5px;
}
.page-hero-desc {
    color: #64748b;
    font-size: 16px;
    max-width: 620px;
    margin: 0 auto;
}

/* ═══════════ TEXT PAGES (KVKK & ÇEREZ) ═══════════ */
.legal-card {
    background: #ffffff;
    border-radius: 14px;
    border: 1px solid #e2e8f0;
    padding: 40px;
    margin-top: 30px;
    color: #475569;
    font-size: 15px;
    line-height: 1.8;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
}
.legal-card h2, .legal-card h3 {
    color: #0f172a;
    margin: 24px 0 12px 0;
    font-weight: 700;
}
.legal-card p {
    margin-bottom: 16px;
}

/* ═══════════ ANIMATIONS ═══════════ */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease-out, transform 0.5s ease-out;
}
.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ═══════════ RESPONSIVE ═══════════ */
@media (max-width: 1024px) {
    .header-nav { display: none; }
    .mobile-menu-btn { display: flex; }
    .systems-grid { grid-template-columns: 1fr; }
    .products-grid { grid-template-columns: repeat(2, 1fr); }
    .quality-grid { grid-template-columns: repeat(2, 1fr); }
    .projects-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
    .contact-grid { grid-template-columns: 1fr; }
    .teaser-inner { flex-direction: column; text-align: center; }
    .teaser-banner {
        background-image: 
            linear-gradient(180deg, rgba(15, 23, 42, 0.93) 0%, rgba(15, 23, 42, 0.86) 55%, rgba(15, 23, 42, 0.70) 100%),
            url('../assets/images/designer_mockup.jpg');
        background-position: center;
    }
    .teaser-mockup-wrap {
        display: none;
    }
    .teaser-cta-wrap {
        justify-content: center;
    }
}

@media (max-width: 640px) {
    .header-inner { height: 68px; }
    .brand-logo-img { height: 38px; }
    .hero-slider-section {
        height: calc(100vh - 68px);
        height: calc(100dvh - 68px);
        min-height: calc(100dvh - 68px);
    }
    .slide-content {
        padding: 20px 0 50px 0;
    }
    .slide-overlay {
        background: linear-gradient(180deg, rgba(255, 255, 255, 0.94) 0%, rgba(255, 255, 255, 0.88) 65%, rgba(255, 255, 255, 0.45) 100%);
    }
    .slide-badge {
        font-size: 10px;
        padding: 5px 12px;
        margin-bottom: 14px;
    }
    .slide-title {
        font-size: 32px;
        line-height: 1.18;
        margin-bottom: 14px;
    }
    .slide-desc {
        font-size: 15px;
        line-height: 1.55;
        margin-bottom: 24px;
    }
    .slide-actions {
        gap: 12px;
    }
    .btn-primary, .btn-secondary {
        padding: 12px 22px;
        font-size: 14px;
    }
    .slider-dots {
        bottom: 20px;
        gap: 8px;
    }
    .slider-dot {
        width: 28px;
        height: 4px;
    }
    .slider-dot.active {
        width: 42px;
    }
    .teaser-banner {
        padding: 36px 20px;
        margin: 28px 0;
        border-radius: 16px;
        background-image: 
            linear-gradient(180deg, rgba(15, 23, 42, 0.92) 0%, rgba(15, 23, 42, 0.85) 50%, rgba(15, 23, 42, 0.72) 100%),
            url('../assets/images/designer_mockup.jpg');
        background-size: cover;
        background-position: center;
    }
    .teaser-heading {
        font-size: 24px;
        line-height: 1.25;
        margin-bottom: 12px;
    }
    .teaser-desc {
        font-size: 14px;
        line-height: 1.6;
        margin-bottom: 22px;
    }
    .teaser-cta-wrap {
        width: 100%;
        display: flex;
        justify-content: center;
    }
    .btn-teaser-action {
        width: auto;
        max-width: 100%;
        padding: 13px 22px;
        font-size: 14px;
        white-space: nowrap !important;
        gap: 8px;
    }
    .btn-teaser-action span {
        white-space: nowrap !important;
        font-size: 14px;
    }
    .products-grid { grid-template-columns: 1fr; }
    .quality-grid { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .cookie-banner { flex-direction: column; text-align: center; }
    .cookie-content { flex-direction: column; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-bottom { flex-direction: column; gap: 10px; text-align: center; }
}