/* =============================================
   FRIENDO CHEMICAL LIMITED – Main Stylesheet
   Design: Dark slate + electric blue accent
   Inspired by shadcn/ui & magicui patterns
   ============================================= */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Space+Grotesk:wght@400;500;600;700&display=swap');

:root {
    --bg:            #09090b;
    --bg-card:       #18181b;
    --bg-muted:      #27272a;
    --border:        #3f3f46;
    --border-hover:  #6366f1;
    --text-primary:  #fafafa;
    --text-muted:    #a1a1aa;
    --text-subtle:   #71717a;
    --accent:        #6366f1;    /* indigo */
    --accent-glow:   rgba(99,102,241,0.25);
    --accent-soft:   rgba(99,102,241,0.12);
    --green:         #22c55e;
    --amber:         #f59e0b;
    --radius:        12px;
    --radius-lg:     20px;
    --shadow:        0 4px 24px rgba(0,0,0,0.5);
    --shadow-glow:   0 0 40px rgba(99,102,241,0.15);
    --transition:    all 0.22s cubic-bezier(.4,0,.2,1);
}

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

html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', sans-serif;
    background: var(--bg);
    color: var(--text-primary);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

/* ── Layout ── */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 32px;
}

/* ── Buttons ── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-family: 'Inter', sans-serif;
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    letter-spacing: 0.01em;
}
.btn:hover {
    background: #818cf8;
    box-shadow: 0 0 20px var(--accent-glow);
    transform: translateY(-1px);
}
.btn-outline {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-primary);
}
.btn-outline:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-soft);
    box-shadow: none;
    transform: translateY(-1px);
}

/* ── Header / Nav ── */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(9,9,11,0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
}
.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 68px;
}
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}
.logo-mark {
    width: 36px; height: 36px;
    background: var(--accent);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.1rem;
    color: #fff;
    letter-spacing: -1px;
    flex-shrink: 0;
}
.logo-text {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
}
.logo-text span { color: var(--accent); }
.logo-sub {
    font-size: 0.65rem;
    color: var(--text-subtle);
    font-weight: 400;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

nav.main-nav ul {
    display: flex;
    list-style: none;
    gap: 4px;
}
nav.main-nav a {
    display: block;
    padding: 8px 14px;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    border-radius: 6px;
    transition: var(--transition);
}
nav.main-nav a:hover,
nav.main-nav a.active {
    color: var(--text-primary);
    background: var(--bg-muted);
}
.nav-cta {
    padding: 8px 18px !important;
    background: var(--accent) !important;
    color: #fff !important;
    border-radius: 7px !important;
}
.nav-cta:hover {
    background: #818cf8 !important;
}

/* ── Hero Section ── */
.hero {
    position: relative;
    padding: 140px 0 120px;
    overflow: hidden;
    text-align: center;
}
.hero-grid-bg {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(99,102,241,0.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(99,102,241,0.06) 1px, transparent 1px);
    background-size: 60px 60px;
}
.hero-glow {
    position: absolute;
    top: -200px;
    left: 50%;
    transform: translateX(-50%);
    width: 700px;
    height: 700px;
    background: radial-gradient(circle, rgba(99,102,241,0.18) 0%, transparent 65%);
    pointer-events: none;
}
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: var(--accent-soft);
    border: 1px solid rgba(99,102,241,0.3);
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 500;
    color: #a5b4fc;
    margin-bottom: 28px;
    letter-spacing: 0.03em;
}
.hero-badge-dot {
    width: 6px; height: 6px;
    background: var(--accent);
    border-radius: 50%;
    animation: pulse 2s infinite;
}
@keyframes pulse {
    0%,100% { opacity: 1; transform: scale(1); }
    50% { opacity: .5; transform: scale(1.4); }
}
.hero h1 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(2.6rem, 5.5vw, 4.2rem);
    font-weight: 800;
    line-height: 1.12;
    letter-spacing: -0.03em;
    color: var(--text-primary);
    margin-bottom: 24px;
}
.hero h1 .gradient-text {
    background: linear-gradient(135deg, #a5b4fc 0%, #6366f1 50%, #818cf8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero p {
    max-width: 600px;
    margin: 0 auto 40px;
    font-size: 1.15rem;
    color: var(--text-muted);
    line-height: 1.75;
}
.hero-actions {
    display: flex;
    gap: 14px;
    justify-content: center;
    flex-wrap: wrap;
}
.hero-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    margin-top: 80px;
    padding-top: 50px;
    border-top: 1px solid var(--border);
}
.hero-stat-value {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
}
.hero-stat-label {
    font-size: 0.82rem;
    color: var(--text-subtle);
    margin-top: 4px;
}

/* ── Section Titles ── */
.section-tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 12px;
}
.section-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    margin-bottom: 16px;
}
.section-subtitle {
    color: var(--text-muted);
    font-size: 1.05rem;
    max-width: 560px;
}

/* ── Cards ── */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
    text-decoration: none;
    color: inherit;
    display: block;
}
.card:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow-glow);
    transform: translateY(-4px);
}

/* ── Product List (products.php) ── */
.products-layout {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 40px;
    padding: 60px 0 100px;
}
.sidebar-panel {
    position: sticky;
    top: 88px;
    height: fit-content;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 24px;
}
.sidebar-panel h3 {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-subtle);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 16px;
}
.sidebar-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.88rem;
    font-weight: 500;
    border-radius: 8px;
    transition: var(--transition);
    margin-bottom: 2px;
}
.sidebar-link:hover {
    background: var(--bg-muted);
    color: var(--text-primary);
}
.sidebar-link.active {
    background: var(--accent-soft);
    color: #a5b4fc;
    border: 1px solid rgba(99,102,241,0.25);
}
.sidebar-link::before {
    content: '';
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--border);
    flex-shrink: 0;
}
.sidebar-link.active::before { background: var(--accent); }

.product-row {
    display: flex;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
    text-decoration: none;
    color: inherit;
    margin-bottom: 16px;
}
.product-row:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow-glow);
    transform: translateX(6px);
}
.product-row-img {
    width: 260px;
    min-width: 260px;
    height: 200px;
    background: var(--bg-muted);
    flex-shrink: 0;
}
.product-row-img img {
    width: 100%; height: 100%;
    object-fit: cover;
    display: block;
}
.product-row-body {
    padding: 28px 32px;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}
.product-category-tag {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    background: var(--accent-soft);
    padding: 4px 10px;
    border-radius: 100px;
    border: 1px solid rgba(99,102,241,0.2);
    margin-bottom: 10px;
}
.product-row-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 10px;
    letter-spacing: -0.01em;
}
.product-row-desc {
    font-size: 0.88rem;
    color: var(--text-muted);
    line-height: 1.65;
}
.product-row-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}
.product-price {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}
.product-price-unit {
    font-size: 0.8rem;
    color: var(--text-subtle);
    font-weight: 400;
    margin-left: 4px;
}
.product-cta {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent);
    display: flex;
    align-items: center;
    gap: 6px;
}
.product-cta::after { content: '→'; }

/* ── Product Detail ── */
.detail-hero {
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
    padding: 64px 0;
}
.detail-hero-breadcrumb {
    font-size: 0.85rem;
    color: var(--text-subtle);
    margin-bottom: 20px;
}
.detail-hero-breadcrumb a {
    color: var(--accent);
    text-decoration: none;
}
.detail-hero-breadcrumb a:hover { text-decoration: underline; }
.detail-cat-badge {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    background: var(--accent-soft);
    padding: 5px 12px;
    border-radius: 100px;
    border: 1px solid rgba(99,102,241,0.25);
    margin-bottom: 16px;
}
.detail-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--text-primary);
    line-height: 1.15;
    margin-bottom: 14px;
}
.detail-subtitle {
    font-size: 1.05rem;
    color: var(--text-muted);
}

.detail-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
    align-items: start;
    padding: 60px 0 100px;
}
.detail-img-wrap {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}
.detail-img-wrap img {
    width: 100%;
    display: block;
}
.specs-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px;
    margin-top: 28px;
}
.specs-card h4 {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-subtle);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.specs-card h4::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border);
}
.specs-content {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.8;
    white-space: pre-wrap;
    font-family: 'Inter', sans-serif;
}
.specs-content img { max-width: 100%; border-radius: 8px; margin: 12px 0; }
.specs-content table { width: 100%; border-collapse: collapse; }
.specs-content td, .specs-content th {
    border: 1px solid var(--border);
    padding: 8px 12px;
    font-size: 0.85rem;
}

/* Sticky inquiry panel */
.inquiry-panel {
    position: sticky;
    top: 88px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}
.inquiry-panel-head {
    padding: 28px 28px 20px;
    border-bottom: 1px solid var(--border);
}
.inquiry-price-label {
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--text-subtle);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 8px;
}
.inquiry-price {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1;
}
.inquiry-price small {
    font-size: 0.85rem;
    color: var(--text-subtle);
    font-weight: 400;
    margin-left: 6px;
}
.inquiry-body { padding: 28px; }
.inquiry-body h4 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 20px;
}
.form-group { margin-bottom: 14px; }
.form-group label {
    display: block;
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--text-muted);
    margin-bottom: 6px;
}
.form-control {
    width: 100%;
    padding: 11px 14px;
    background: var(--bg-muted);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 0.9rem;
    font-family: 'Inter', sans-serif;
    outline: none;
    transition: var(--transition);
}
.form-control:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}
.form-control::placeholder { color: var(--text-subtle); }
.form-row { display: flex; gap: 10px; }
.form-row .form-group { flex: 1; }
.inquiry-footer {
    padding: 0 28px 28px;
    text-align: center;
}
.inquiry-footer p {
    font-size: 0.78rem;
    color: var(--text-subtle);
    margin-top: 14px;
}
.inquiry-footer span { color: var(--green); font-weight: 500; }

/* ── Add Product (Admin) ── */
.admin-wrap {
    min-height: 100vh;
    background: var(--bg);
    padding: 60px 20px;
    display: flex;
    align-items: flex-start;
    justify-content: center;
}
.admin-card {
    width: 100%;
    max-width: 760px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}
.admin-card-head {
    padding: 32px 40px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 16px;
}
.admin-card-head h2 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
}
.admin-card-head p {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 4px;
}
.admin-card-body { padding: 40px; }
.admin-field { margin-bottom: 22px; }
.admin-label {
    display: block;
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--text-muted);
    margin-bottom: 7px;
    letter-spacing: 0.01em;
}
.admin-input {
    width: 100%;
    padding: 11px 14px;
    background: var(--bg-muted);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 0.92rem;
    font-family: 'Inter', sans-serif;
    outline: none;
    transition: var(--transition);
}
.admin-input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}
.admin-input::placeholder { color: var(--text-subtle); }
.admin-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='%2371717a' d='M7.247 11.14L2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 14px;
    cursor: pointer;
}
.admin-textarea { min-height: 110px; resize: vertical; }
.admin-row { display: flex; gap: 16px; }
.admin-row .admin-field { flex: 1; }
.admin-file-input {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg-muted);
    border: 1px dashed var(--border);
    border-radius: 8px;
    color: var(--text-muted);
    font-size: 0.88rem;
    cursor: pointer;
    transition: var(--transition);
}
.admin-file-input:hover { border-color: var(--accent); }
.admin-preview-img { border-radius: 8px; max-width: 100px; margin-bottom: 10px; border: 1px solid var(--border); }
.admin-card-foot {
    padding: 24px 40px;
    border-top: 1px solid var(--border);
    display: flex;
    gap: 12px;
    align-items: center;
    justify-content: space-between;
}
.admin-card-foot a { font-size: 0.88rem; color: var(--text-subtle); text-decoration: none; }
.admin-card-foot a:hover { color: var(--text-muted); }

/* ── Homepage Sections ── */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 60px;
}
.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px 28px;
    transition: var(--transition);
}
.feature-card:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow-glow);
    transform: translateY(-3px);
}
.feature-icon {
    width: 48px; height: 48px;
    background: var(--accent-soft);
    border: 1px solid rgba(99,102,241,0.25);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    margin-bottom: 20px;
}
.feature-card h3 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 10px;
}
.feature-card p {
    font-size: 0.88rem;
    color: var(--text-muted);
    line-height: 1.7;
}

/* ── Footer ── */
.site-footer {
    border-top: 1px solid var(--border);
    background: var(--bg-card);
    padding: 80px 0 40px;
    margin-top: 100px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}
.footer-brand p {
    font-size: 0.88rem;
    color: var(--text-subtle);
    line-height: 1.8;
    margin-top: 16px;
    max-width: 280px;
}
.footer-heading {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 20px;
}
.footer-links { list-style: none; }
.footer-links li { margin-bottom: 12px; }
.footer-links a {
    font-size: 0.88rem;
    color: var(--text-subtle);
    text-decoration: none;
    transition: var(--transition);
}
.footer-links a:hover { color: var(--text-muted); }
.footer-contact p {
    font-size: 0.88rem;
    color: var(--text-subtle);
    margin-bottom: 10px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}
.footer-bottom {
    padding-top: 32px;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.82rem;
    color: var(--text-subtle);
}

/* ── Page Header ── */
.page-header {
    padding: 80px 0 60px;
    border-bottom: 1px solid var(--border);
}

/* ── Hamburger Button ── */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    background: var(--bg-muted);
    border: 1px solid var(--border);
    border-radius: 8px;
    cursor: pointer;
    padding: 0 10px;
    flex-shrink: 0;
}
.hamburger span {
    display: block;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition);
    transform-origin: center;
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── Mobile Drawer ── */
.mobile-nav {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 99;
}
.mobile-nav-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(4px);
}
.mobile-nav-drawer {
    position: absolute;
    top: 0; right: 0;
    width: min(320px, 85vw);
    height: 100%;
    background: var(--bg-card);
    border-left: 1px solid var(--border);
    padding: 24px 0;
    display: flex;
    flex-direction: column;
    transform: translateX(100%);
    transition: transform 0.28s cubic-bezier(.4,0,.2,1);
}
.mobile-nav.open { display: flex; }
.mobile-nav.open .mobile-nav-drawer { transform: translateX(0); }

.mobile-nav-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px 20px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 12px;
}
.mobile-nav-close {
    width: 36px; height: 36px;
    background: var(--bg-muted);
    border: 1px solid var(--border);
    border-radius: 8px;
    display: flex; align-items: center; justify-content: center;
    cursor: pointer;
    color: var(--text-muted);
    font-size: 1.1rem;
    line-height: 1;
    transition: var(--transition);
}
.mobile-nav-close:hover { color: var(--text-primary); border-color: var(--accent); }

.mobile-nav-links {
    flex: 1;
    padding: 0 16px;
    overflow-y: auto;
}
.mobile-nav-links a {
    display: flex;
    align-items: center;
    padding: 13px 16px;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    border-radius: 9px;
    margin-bottom: 4px;
    transition: var(--transition);
}
.mobile-nav-links a:hover {
    background: var(--bg-muted);
    color: var(--text-primary);
}
.mobile-nav-links a.nav-cta {
    background: var(--accent);
    color: #fff;
    margin-top: 10px;
    justify-content: center;
}
.mobile-nav-links a.nav-cta:hover { background: #818cf8; }
.mobile-nav-links a[style*="amber"] { color: var(--amber) !important; }

/* ── Responsive ── */
@media (max-width: 1024px) {
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .feature-grid { grid-template-columns: repeat(2, 1fr); }
    .detail-grid { grid-template-columns: 1fr; }
    .products-layout { grid-template-columns: 1fr; }
    .sidebar-panel { position: static; }
    .admin-stats { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .container { padding: 0 18px; }

    /* Header */
    nav.main-nav { display: none; }
    .hamburger { display: flex; }

    /* Hero */
    .hero { padding: 80px 0 60px; }
    .hero h1 { font-size: 2.1rem; }
    .hero p { font-size: 1rem; }
    .hero-actions { flex-direction: column; align-items: center; }
    .hero-actions .btn { width: 100%; max-width: 320px; justify-content: center; }
    .hero-stats { gap: 24px; flex-wrap: wrap; justify-content: center; }
    .hero-stats > div { min-width: 110px; text-align: center; }

    /* Sections */
    .section-title { font-size: 1.7rem; }
    .footer-grid { grid-template-columns: 1fr; gap: 36px; }
    .feature-grid { grid-template-columns: 1fr; }

    /* Product list */
    .products-layout { grid-template-columns: 1fr; gap: 24px; padding: 40px 0 60px; }
    .product-row { flex-direction: column; }
    .product-row-img { width: 100%; min-width: unset; height: 200px; }
    .product-row-body { padding: 20px; }

    /* Product detail */
    .detail-grid { grid-template-columns: 1fr; gap: 28px; }
    .detail-title { font-size: 1.9rem; }
    .inquiry-panel { position: static; }

    /* About page stats */
    .about-stats-grid { grid-template-columns: repeat(2, 1fr) !important; }

    /* Contact page */
    .contact-grid { grid-template-columns: 1fr !important; }

    /* Admin */
    .admin-stats { grid-template-columns: repeat(2, 1fr); }
    .admin-content { padding: 24px 16px; }
    .admin-topbar { padding: 0 20px; }
    thead th:nth-child(4),
    tbody td:nth-child(4) { display: none; } /* hide price col on tiny screens */

    /* Add product */
    .admin-row { flex-direction: column; gap: 0; }
    .admin-card-head { padding: 24px; }
    .admin-card-body { padding: 24px; }
    .admin-card-foot { padding: 20px 24px; flex-direction: column; gap: 12px; align-items: stretch; text-align: center; }
    .admin-card-foot .btn { justify-content: center; }

    /* Login */
    .login-body { padding: 24px; }
    .login-head { padding: 28px 24px 20px; }
    .login-footer { padding: 16px 24px; }

    /* Footer bottom */
    .footer-bottom { flex-direction: column; gap: 10px; text-align: center; }

    /* Page header */
    .page-header { padding: 60px 0 40px; }
    .hero-badge { font-size: 0.72rem; }
}

@media (max-width: 480px) {
    .hero-stats { gap: 16px; }
    .hero-stats > div { min-width: 90px; }
    .admin-stats { grid-template-columns: 1fr 1fr; gap: 10px; }
    .stat-value { font-size: 1.4rem; }
    .detail-title { font-size: 1.6rem; }
    .product-row-title { font-size: 1.15rem; }
    .form-row { flex-direction: column; }
    /* About timeline card */
    .about-timeline-outer { display: none; }
}

/* about story 2-col → 1-col */
@media (max-width: 768px) {
    .about-story-grid { grid-template-columns: 1fr !important; gap: 40px !important; }
}