/* Newin Houseware - Independent Trade Website */
/* Design: Modern minimalist B2B, optimized for Western buyers */
/* v2.0 — Enhanced UI, Mobile-first responsive */

:root {
    --primary: #16243a;
    --primary-light: #2a3f5f;
    --accent: #c9a96e;
    --accent-light: #dcc094;
    --accent-dark: #b08f55;
    --eco: #4a8c5a;
    --bg: #ffffff;
    --bg-light: #f8f9fb;
    --bg-gray: #f0f2f6;
    --bg-dark: #16243a;
    --text: #1f2937;
    --text-light: #6b7280;
    --text-lighter: #9ca3af;
    --border: #e5e8ee;
    --border-light: #f0f2f6;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.04), 0 1px 2px rgba(0,0,0,0.06);
    --shadow: 0 4px 16px rgba(0,0,0,0.06);
    --shadow-lg: 0 12px 40px rgba(0,0,0,0.10);
    --shadow-xl: 0 20px 60px rgba(0,0,0,0.12);
    --radius: 10px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s ease;
    --max-width: 1280px;
    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
    font-family: var(--font);
    color: var(--text);
    background: var(--bg);
    line-height: 1.65;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

a { color: var(--primary); text-decoration: none; transition: var(--transition-fast); }
a:hover { color: var(--accent); }

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

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }

/* Touch target minimum for mobile */
button, .btn, a.btn { -webkit-tap-highlight-color: transparent; touch-action: manipulation; }

/* ========== Header ========== */
.header {
    position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
    background: rgba(255,255,255,0.96);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-light);
    transition: var(--transition);
}
.header.scrolled { box-shadow: var(--shadow-sm); }
.header-inner {
    display: flex; align-items: center; justify-content: space-between;
    height: 68px; max-width: var(--max-width); margin: 0 auto; padding: 0 24px;
}
.logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 20px; color: var(--primary); letter-spacing: -0.3px; }
.logo svg { width: 34px; height: 34px; flex-shrink: 0; }
.logo span { color: var(--accent); }

.nav { display: flex; align-items: center; gap: 28px; }
.nav a { font-weight: 500; font-size: 15px; color: var(--text); position: relative; padding: 4px 0; }
.nav a::after { content: ''; position: absolute; bottom: -2px; left: 0; width: 0; height: 2px; background: var(--accent); border-radius: 2px; transition: var(--transition); }
.nav a:hover::after, .nav a.active::after { width: 100%; }
.nav a.active { color: var(--primary); font-weight: 600; }
.nav-header { display: none; }
.nav-brand { display: none; }
.nav-close { display: none; }

.header-actions { display: flex; align-items: center; gap: 12px; }

.lang-switcher { position: relative; }
.lang-btn {
    display: flex; align-items: center; gap: 6px; padding: 7px 12px;
    border: 1px solid var(--border); border-radius: 8px; background: white;
    cursor: pointer; font-size: 13px; font-weight: 600; transition: var(--transition-fast);
    color: var(--text);
}
.lang-btn:hover { border-color: var(--accent); color: var(--accent); }
.lang-dropdown {
    position: absolute; top: 100%; right: 0; margin-top: 8px;
    background: white; border: 1px solid var(--border); border-radius: 12px;
    box-shadow: var(--shadow-lg); min-width: 170px; overflow: hidden;
    opacity: 0; visibility: hidden; transform: translateY(-8px); transition: var(--transition);
    z-index: 100;
}
.lang-dropdown.show { opacity: 1; visibility: visible; transform: translateY(0); }
.lang-dropdown a {
    display: flex; align-items: center; gap: 8px; padding: 12px 16px;
    font-size: 14px; border-bottom: 1px solid var(--border-light); font-weight: 500;
}
.lang-dropdown a:last-child { border-bottom: none; }
.lang-dropdown a:hover { background: var(--bg-light); color: var(--primary); padding-left: 20px; }

.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 12px 26px; border-radius: var(--radius); font-weight: 600; font-size: 15px;
    cursor: pointer; transition: var(--transition); border: none; text-align: center;
    white-space: nowrap;
}
.btn-primary { background: var(--primary); color: white; }
.btn-primary:hover { background: var(--primary-light); color: white; transform: translateY(-2px); box-shadow: var(--shadow); }
.btn-accent { background: var(--accent); color: white; }
.btn-accent:hover { background: var(--accent-dark); color: white; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(201,169,110,0.35); }
.btn-outline { background: transparent; color: var(--primary); border: 2px solid var(--primary); }
.btn-outline:hover { background: var(--primary); color: white; transform: translateY(-1px); }
.btn-white { background: white; color: var(--primary); }
.btn-white:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }

.mobile-toggle { display: none; background: var(--bg-light); border: 1px solid var(--border); cursor: pointer; padding: 10px 12px; flex-direction: column; gap: 4px; z-index: 1001; border-radius: 10px; min-width: 44px; min-height: 44px; justify-content: center; align-items: center; font-family: var(--font); }
.mobile-toggle span { display: block; width: 22px; height: 2.5px; background: var(--primary); border-radius: 2px; transition: var(--transition); transform-origin: center; }
.mobile-toggle .menu-label { display: block; width: auto; height: auto; background: none; font-size: 10px; font-weight: 600; color: var(--primary); letter-spacing: 0.3px; margin-top: 3px; text-transform: uppercase; border-radius: 0; font-family: var(--font); }
.mobile-toggle.active span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.mobile-toggle.active span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.mobile-toggle.active span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }
.mobile-toggle.active .menu-label { display: none; }
.nav-cta { display: none; }

/* ========== Hero ========== */
.hero {
    margin-top: 68px;
    min-height: 620px;
    display: flex; align-items: center;
    background: linear-gradient(135deg, #16243a 0%, #2a3f5f 50%, #1e3252 100%);
    color: white; position: relative; overflow: hidden;
}
.hero::before {
    content: ''; position: absolute; top: 0; right: 0; width: 60%; height: 100%;
    background: url('../images/hero-trade-scene.jpg') center/cover;
    opacity: 0.18; mask-image: linear-gradient(to left, black 30%, transparent);
    -webkit-mask-image: linear-gradient(to left, black 30%, transparent);
}
.hero::after {
    content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 100px;
    background: linear-gradient(to top, rgba(22,36,58,0.5), transparent);
}
.hero-content { max-width: 660px; padding: 72px 0; position: relative; z-index: 1; }
.hero-badge {
    display: inline-flex; align-items: center; gap: 8px; padding: 7px 18px;
    background: rgba(201,169,110,0.12); border: 1px solid rgba(201,169,110,0.35);
    border-radius: 24px; font-size: 13px; font-weight: 500; color: var(--accent-light); margin-bottom: 28px;
    backdrop-filter: blur(4px);
}
.hero h1 { font-size: 52px; font-weight: 800; line-height: 1.1; margin-bottom: 22px; letter-spacing: -1px; }
.hero h1 span { color: var(--accent); }
.hero p { font-size: 19px; color: rgba(255,255,255,0.78); margin-bottom: 36px; max-width: 540px; line-height: 1.6; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 44px; margin-top: 52px; padding-top: 36px; border-top: 1px solid rgba(255,255,255,0.12); }
.hero-stat { text-align: left; }
.hero-stat .num { font-size: 38px; font-weight: 800; color: var(--accent); line-height: 1; }
.hero-stat .label { font-size: 13px; color: rgba(255,255,255,0.55); margin-top: 6px; text-transform: uppercase; letter-spacing: 0.5px; }

/* ========== Sections ========== */
section { padding: 40px 0; }
.section-header { text-align: center; max-width: 720px; margin: 0 auto 24px; }
.section-tag {
    display: inline-block; padding: 5px 16px; background: var(--bg-gray);
    border-radius: 20px; font-size: 12px; font-weight: 700; color: var(--primary-light);
    margin-bottom: 16px; text-transform: uppercase; letter-spacing: 1px;
}
.section-title { font-size: 32px; font-weight: 800; color: var(--primary); margin-bottom: 12px; letter-spacing: -0.5px; line-height: 1.2; }
.section-subtitle { font-size: 15px; color: var(--text-light); line-height: 1.6; }

/* ========== Featured Collection Banner ========== */
.featured-banner {
    position: relative; overflow: hidden; padding: 0;
    background: linear-gradient(135deg, #1a2b3c 0%, #2a3f5f 100%);
}
.featured-banner-inner {
    display: grid; grid-template-columns: 1fr 1fr; min-height: 560px; align-items: stretch;
}
.featured-banner-img {
    position: relative; overflow: hidden;
}
.featured-banner-img img {
    width: 100%; height: 100%; object-fit: cover;
}
.featured-banner-img::after {
    content: ''; position: absolute; inset: 0;
    background: linear-gradient(to right, transparent 60%, rgba(26,43,60,0.4));
}
.featured-banner-content {
    display: flex; flex-direction: column; justify-content: center;
    padding: 64px 56px; color: white; position: relative; z-index: 1;
}
.featured-banner-tag {
    display: inline-flex; align-items: center; gap: 8px; padding: 7px 18px;
    background: rgba(201,169,110,0.15); border: 1px solid rgba(201,169,110,0.4);
    border-radius: 24px; font-size: 13px; font-weight: 600; color: var(--accent-light);
    margin-bottom: 24px; width: fit-content;
}
.featured-banner-content h2 {
    font-size: 42px; font-weight: 800; line-height: 1.15; margin-bottom: 20px;
    letter-spacing: -0.8px;
}
.featured-banner-content h2 span { color: var(--accent); }
.featured-banner-content > p {
    font-size: 17px; color: rgba(255,255,255,0.78); line-height: 1.65; margin-bottom: 28px;
}
.featured-highlights {
    display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 32px;
}
.featured-highlight {
    display: flex; align-items: center; gap: 8px; padding: 8px 16px;
    background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.12);
    border-radius: 20px; font-size: 13px; font-weight: 600; color: rgba(255,255,255,0.9);
}
.featured-highlight svg { width: 16px; height: 16px; color: var(--accent); flex-shrink: 0; }
.featured-banner-actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* ========== Featured Product Showcase ========== */
.featured-showcase { background: var(--bg-light); }
.featured-showcase-grid {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 24px;
}
.showcase-card {
    background: white; border-radius: var(--radius-lg); overflow: hidden;
    box-shadow: var(--shadow-sm); transition: var(--transition);
    border: 1px solid var(--border-light); display: flex; flex-direction: column;
}
.showcase-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--accent-light); }
.showcase-img { height: 260px; overflow: hidden; background: var(--bg-gray); position: relative; display: flex; align-items: center; justify-content: center; }
.showcase-img img { width: 100%; height: 100%; object-fit: contain; padding: 16px; transition: transform 0.6s cubic-bezier(0.4,0,0.2,1); }
.showcase-card:hover .showcase-img img { transform: scale(1.04); }
.showcase-badge {
    position: absolute; top: 14px; left: 14px; padding: 5px 12px;
    background: var(--accent); color: white; border-radius: 20px;
    font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px;
    box-shadow: 0 2px 8px rgba(201,169,110,0.3);
}
.showcase-info { padding: 22px; flex: 1; display: flex; flex-direction: column; }
.showcase-info h4 { font-size: 16px; font-weight: 700; color: var(--primary); margin-bottom: 10px; letter-spacing: -0.2px; line-height: 1.4; }
.showcase-specs { font-size: 13px; color: var(--text-light); margin-bottom: 10px; line-height: 1.7; word-break: break-word; overflow-wrap: break-word; }
.showcase-specs div { margin-bottom: 4px; }
.showcase-specs strong { color: var(--text); font-weight: 600; }
.showcase-material { font-size: 12px; color: var(--eco); font-weight: 600; margin-bottom: 14px; }
.showcase-actions { display: flex; gap: 8px; margin-top: auto; }
.showcase-actions .btn { padding: 9px 18px; font-size: 13px; flex: 1; min-height: 44px; }

/* ========== Category Grid ========== */
.category-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 24px; }
.category-card {
    background: white; border-radius: var(--radius-lg); overflow: hidden;
    box-shadow: var(--shadow-sm); transition: var(--transition); cursor: pointer;
    border: 1px solid var(--border-light);
}
.category-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--accent-light); }
.category-img { height: 220px; overflow: hidden; background: var(--bg-gray); display: flex; align-items: center; justify-content: center; }
.category-img img { width: 100%; height: 100%; object-fit: contain; padding: 16px; transition: transform 0.6s cubic-bezier(0.4,0,0.2,1); }
.category-card:hover .category-img img { transform: scale(1.04); }
.category-body { padding: 24px; }
.category-body h3 { font-size: 19px; font-weight: 700; color: var(--primary); margin-bottom: 8px; letter-spacing: -0.3px; }
.category-body p { font-size: 14px; color: var(--text-light); margin-bottom: 16px; line-height: 1.6; }
.category-link { font-size: 14px; font-weight: 600; color: var(--accent); display: inline-flex; align-items: center; gap: 6px; transition: var(--transition-fast); }
.category-card:hover .category-link { gap: 10px; }

/* ========== Product Grid ========== */
.product-filters { display: flex; gap: 10px; justify-content: center; margin-bottom: 48px; flex-wrap: wrap; }
.filter-btn {
    padding: 9px 20px; border: 1.5px solid var(--border); border-radius: 24px;
    background: white; cursor: pointer; font-size: 14px; font-weight: 600;
    color: var(--text); transition: var(--transition-fast);
}
.filter-btn:hover { border-color: var(--accent); color: var(--accent); }
.filter-btn.active { background: var(--primary); color: white; border-color: var(--primary); box-shadow: 0 4px 12px rgba(22,36,58,0.2); }

.product-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 24px; }
.product-card {
    background: white; border-radius: var(--radius-lg); overflow: hidden;
    box-shadow: var(--shadow-sm); transition: var(--transition);
    border: 1px solid var(--border-light);
    display: flex; flex-direction: column;
}
.product-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--accent-light); }
.product-img { height: 280px; overflow: hidden; background: var(--bg-gray); position: relative; display: flex; align-items: center; justify-content: center; }
.product-img img { width: 100%; height: 100%; object-fit: contain; padding: 16px; transition: transform 0.6s cubic-bezier(0.4,0,0.2,1); }
.product-card:hover .product-img img { transform: scale(1.04); }
.product-badge {
    position: absolute; top: 14px; left: 14px; padding: 5px 12px;
    background: var(--eco); color: white; border-radius: 20px;
    font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px;
    box-shadow: 0 2px 8px rgba(74,140,90,0.3);
}
.product-badge.new { background: var(--accent); box-shadow: 0 2px 8px rgba(201,169,110,0.3); }
.product-badge.bestseller { background: #e8555a; box-shadow: 0 2px 8px rgba(232,85,90,0.3); }
.product-info { padding: 22px; flex: 1; display: flex; flex-direction: column; }
.product-info h4 { font-size: 16px; font-weight: 700; color: var(--primary); margin-bottom: 8px; letter-spacing: -0.2px; line-height: 1.4; }
.product-specs { font-size: 13px; color: var(--text-light); margin-bottom: 10px; line-height: 1.7; word-break: break-word; overflow-wrap: break-word; }
.product-specs span { display: inline-block; margin-right: 10px; }
.product-specs strong { color: var(--text); font-weight: 600; }
.product-material { font-size: 12px; color: var(--eco); font-weight: 600; margin-bottom: 14px; }
.product-actions { display: flex; gap: 8px; margin-top: auto; }
.product-actions .btn { padding: 9px 18px; font-size: 13px; flex: 1; }

/* ========== Features/Why Choose Us ========== */
.features { background: var(--bg-light); }
.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.feature-item {
    text-align: center; padding: 24px 18px; background: white;
    border-radius: var(--radius-lg); border: 1px solid var(--border-light);
    transition: var(--transition);
    display: flex; flex-direction: column; align-items: center;
}
.feature-item:hover { transform: translateY(-3px); box-shadow: var(--shadow-sm); border-color: var(--accent-light); }
.feature-icon {
    width: 48px; height: 48px; margin: 0 auto 14px; display: flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, var(--primary), var(--primary-light)); border-radius: 14px; color: white;
    box-shadow: 0 6px 16px rgba(22,36,58,0.12);
}
.feature-icon svg { width: 26px; height: 26px; }
.feature-item h3 { font-size: 17px; font-weight: 700; color: var(--primary); margin-bottom: 10px; }
.feature-item p { font-size: 14px; color: var(--text-light); line-height: 1.65; flex: 1; }

/* ========== About Teaser ========== */
.about-teaser { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: center; }
.about-teaser-img { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow); position: relative; }
.about-teaser-img img { width: 100%; height: auto; max-height: 460px; object-fit: contain; object-position: center; background: var(--bg-light); display: block; }
.about-teaser-content h2 { font-size: 30px; font-weight: 800; color: var(--primary); margin-bottom: 16px; letter-spacing: -0.5px; line-height: 1.25; }
.about-teaser-content p { font-size: 15px; color: var(--text-light); margin-bottom: 16px; line-height: 1.65; }
.about-list { list-style: none; margin: 16px 0; }
.about-list li { display: flex; align-items: flex-start; gap: 10px; margin-bottom: 10px; font-size: 14px; color: var(--text); }
.about-list li::before { content: ''; width: 18px; height: 18px; border-radius: 50%; background: var(--eco); flex-shrink: 0; margin-top: 3px; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='white'%3E%3Cpath d='M9 16.17L4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41z'/%3E%3C/svg%3E"); background-size: 12px; background-repeat: no-repeat; background-position: center; }

/* ========== Capabilities List (About Page) ========== */
.capabilities-list { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 16px; }
.capability-item { background: var(--bg-light); border-radius: var(--radius-lg); padding: 20px 18px; border: 1px solid var(--border-light); transition: var(--transition); text-align: left; }
.capability-item:hover { border-color: var(--accent); box-shadow: var(--shadow-sm); transform: translateY(-2px); }
.capability-header { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.capability-header .feature-icon { margin: 0; flex-shrink: 0; width: 40px; height: 40px; border-radius: 10px; }
.capability-header .feature-icon svg { width: 22px; height: 22px; }
.capability-header h3 { font-size: 17px; font-weight: 700; color: var(--primary); margin: 0; }
.capability-item p { font-size: 14px; color: var(--text-light); line-height: 1.6; margin-bottom: 10px; }
.capability-list { list-style: none; margin: 8px 0; }
.capability-list li { display: flex; align-items: flex-start; gap: 8px; margin-bottom: 6px; font-size: 13px; color: var(--text); }
.capability-list li::before { content: ''; width: 5px; height: 5px; border-radius: 50%; background: var(--accent); flex-shrink: 0; margin-top: 7px; }

/* ========== Product Image Fix ========== */
.product-img { overflow: hidden; display: flex; align-items: center; justify-content: center; }
.product-img img { width: 100%; height: 100%; object-fit: contain; padding: 16px; }

/* ========== Trust Signals ========== */
.trust { background: var(--primary); color: white; position: relative; overflow: hidden; }
.trust::before {
    content: ''; position: absolute; top: -50%; right: -10%; width: 400px; height: 400px;
    background: radial-gradient(circle, rgba(201,169,110,0.08), transparent 70%);
    border-radius: 50%;
}
.trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; text-align: center; position: relative; z-index: 1; }
.trust-item { padding: 8px; }
.trust-item .num { font-size: 36px; font-weight: 800; color: var(--accent); line-height: 1; }
.trust-item .label { font-size: 12px; color: rgba(255,255,255,0.6); margin-top: 8px; text-transform: uppercase; letter-spacing: 1px; }

/* ========== Certifications ========== */
.cert-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.cert-badge {
    display: flex; flex-direction: row; align-items: center; gap: 14px;
    padding: 18px 20px; background: white; border: 2px solid var(--border-light);
    border-radius: var(--radius-lg); transition: var(--transition);
    position: relative; overflow: hidden;
}
.cert-badge::before {
    content: ''; position: absolute; top: 0; left: 0; width: 4px; height: 100%;
    background: linear-gradient(180deg, var(--accent), var(--eco));
    transition: var(--transition);
}
.cert-badge:hover { border-color: var(--accent); transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.cert-badge .icon { font-size: 28px; flex-shrink: 0; }
.cert-badge .name { font-size: 15px; font-weight: 800; color: var(--primary); letter-spacing: 0.5px; }
.cert-badge .desc { font-size: 12px; color: var(--text-light); line-height: 1.5; }
.cert-badge .badge-text { display: flex; flex-direction: column; gap: 4px; }

/* ========== FAQ ========== */
.faq-list { max-width: 820px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-question {
    display: flex; justify-content: space-between; align-items: center;
    padding: 22px 0; cursor: pointer; font-size: 17px; font-weight: 600; color: var(--primary);
    transition: var(--transition-fast);
}
.faq-question:hover { color: var(--accent); }
.faq-question .icon { font-size: 22px; transition: var(--transition); color: var(--accent); flex-shrink: 0; margin-left: 16px; }
.faq-item.open .faq-question .icon { transform: rotate(45deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.35s ease; }
.faq-item.open .faq-answer { max-height: 400px; }
.faq-answer p { padding: 0 0 22px; font-size: 15px; color: var(--text-light); line-height: 1.7; }

/* ========== CTA Section ========== */
.cta { background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%); color: white; text-align: center; position: relative; overflow: hidden; }
.cta::before {
    content: ''; position: absolute; bottom: -40%; left: 50%; transform: translateX(-50%);
    width: 600px; height: 400px; background: radial-gradient(ellipse, rgba(201,169,110,0.1), transparent 70%);
}
.cta h2 { font-size: 34px; font-weight: 800; margin-bottom: 16px; position: relative; z-index: 1; letter-spacing: -0.5px; }
.cta p { font-size: 18px; color: rgba(255,255,255,0.75); margin-bottom: 32px; position: relative; z-index: 1; }
.cta .btn { position: relative; z-index: 1; }

/* ========== Contact ========== */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.contact-info h2 { font-size: 28px; font-weight: 800; color: var(--primary); margin-bottom: 20px; letter-spacing: -0.3px; }
.contact-detail { display: flex; align-items: flex-start; gap: 16px; margin-bottom: 28px; }
.contact-detail .icon {
    width: 50px; height: 50px; display: flex; align-items: center; justify-content: center;
    background: var(--bg-gray); border-radius: 14px; flex-shrink: 0; transition: var(--transition-fast);
}
.contact-detail .icon svg { width: 22px; height: 22px; color: var(--primary); }
.contact-detail:hover .icon { background: var(--accent); }
.contact-detail:hover .icon svg { color: white; }
.contact-detail h4 { font-size: 16px; font-weight: 700; color: var(--primary); margin-bottom: 4px; }
.contact-detail p { font-size: 15px; color: var(--text-light); line-height: 1.7; }
.contact-detail a { color: var(--accent); font-weight: 600; }

.contact-form { background: var(--bg-light); padding: 40px; border-radius: var(--radius-xl); border: 1px solid var(--border-light); }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 14px; font-weight: 600; color: var(--primary); margin-bottom: 7px; }
.form-group input, .form-group textarea, .form-group select {
    width: 100%; padding: 13px 16px; border: 1.5px solid var(--border); border-radius: var(--radius);
    font-size: 15px; font-family: var(--font); transition: var(--transition-fast); background: white;
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
    outline: none; border-color: var(--accent); box-shadow: 0 0 0 4px rgba(201,169,110,0.1);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* ========== WhatsApp Float ========== */
.whatsapp-float {
    position: fixed; bottom: 24px; right: 24px; z-index: 999;
    width: 58px; height: 58px; border-radius: 50%; background: #25D366;
    display: flex; align-items: center; justify-content: center;
    box-shadow: 0 6px 20px rgba(37,211,102,0.4); transition: var(--transition);
    animation: pulse 2.5s infinite;
}
.whatsapp-float:hover { transform: scale(1.1); }
.whatsapp-float svg { width: 30px; height: 30px; fill: white; }
@keyframes pulse {
    0% { box-shadow: 0 6px 20px rgba(37,211,102,0.4); }
    50% { box-shadow: 0 6px 28px rgba(37,211,102,0.6); }
    100% { box-shadow: 0 6px 20px rgba(37,211,102,0.4); }
}

/* ========== Footer ========== */
.footer { background: var(--primary); color: rgba(255,255,255,0.65); padding: 64px 0 24px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 48px; }
.footer-brand h3 { color: white; font-size: 22px; font-weight: 800; margin-bottom: 16px; letter-spacing: -0.3px; }
.footer-brand p { font-size: 14px; line-height: 1.75; margin-bottom: 16px; }
.footer-col h4 { color: white; font-size: 14px; font-weight: 700; margin-bottom: 18px; text-transform: uppercase; letter-spacing: 1px; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { font-size: 14px; color: rgba(255,255,255,0.6); transition: var(--transition-fast); }
.footer-col ul li a:hover { color: var(--accent); padding-left: 4px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 24px; text-align: center; font-size: 13px; }

/* ========== Breadcrumb ========== */
.breadcrumb { margin-top: 68px; padding: 20px 0; background: var(--bg-light); }
.breadcrumb-inner { display: flex; align-items: center; gap: 8px; font-size: 14px; }
.breadcrumb-inner a { color: var(--text-light); }
.breadcrumb-inner span { color: var(--primary); font-weight: 600; }
.breadcrumb-inner .sep { color: var(--text-lighter); }

/* ========== Page Header ========== */
.page-header { padding: 28px 0 20px; background: var(--bg-light); }
.page-header h1 { font-size: 30px; font-weight: 800; color: var(--primary); margin-bottom: 6px; letter-spacing: -0.5px; }
.page-header p { font-size: 15px; color: var(--text-light); max-width: 720px; line-height: 1.6; }

/* ========== Responsive — Tablet ========== */
@media (max-width: 968px) {
    .header-inner { height: 60px; }
    .header { background: #ffffff; backdrop-filter: none; -webkit-backdrop-filter: none; }
    .mobile-toggle { display: flex; }
    .nav {
        display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0;
        background: #ffffff; z-index: 1100;
        flex-direction: column; align-items: stretch; justify-content: flex-start;
        overflow-y: auto;
    }
    .nav.open { display: flex; animation: slideDown 0.28s ease; }
    .nav-header {
        display: flex; align-items: center; justify-content: space-between;
        padding: 12px 16px; border-bottom: 1px solid var(--border-light);
        position: sticky; top: 0; background: #fff; z-index: 2;
    }
    .nav-brand { display: flex; align-items: center; gap: 9px; font-weight: 800; font-size: 18px; color: var(--primary); letter-spacing: -0.3px; }
    .nav-brand svg { width: 28px; height: 28px; flex-shrink: 0; }
    .nav-brand span { color: var(--accent); }
    .nav-close {
        display: flex; align-items: center; justify-content: center;
        width: 44px; height: 44px; border: none; background: var(--bg-light);
        border-radius: 12px; cursor: pointer; font-size: 26px; line-height: 1; color: var(--text);
        font-family: var(--font); -webkit-tap-highlight-color: transparent;
    }
    .nav-close:active { background: var(--border-light); }
    .nav a {
        padding: 20px 24px; border-bottom: 1px solid var(--border-light);
        width: 100%; font-size: 19px; font-weight: 600; display: flex; align-items: center;
        min-height: 60px; color: var(--text); font-family: var(--font);
    }
    .nav a::after { display: none; }
    .nav a.active { background: var(--bg-light); color: var(--primary); }
    .nav a:not(.active):hover { background: var(--bg-light); }
    .nav a:active { opacity: 0.75; }
    .nav-cta {
        display: flex !important; align-items: center; justify-content: center;
        margin: 22px 20px; padding: 16px 20px; background: var(--primary); color: white !important;
        border-radius: 14px; font-size: 17px; font-weight: 700; min-height: 54px;
        border-bottom: none !important; text-decoration: none; font-family: var(--font);
    }
    .nav-cta:hover { background: var(--primary-light); }
    .header-actions .btn { display: none; }
    .header-actions { gap: 8px; }

    .hero { margin-top: 60px; min-height: 520px; }
    .hero-content { padding: 48px 0; }
    .hero h1 { font-size: 34px; }
    .hero p { font-size: 16px; }
    .hero-stats { gap: 28px; margin-top: 36px; padding-top: 28px; }
    .hero-stat .num { font-size: 30px; }
    .hero-stat .label { font-size: 12px; }

    .section-title { font-size: 28px; }
    .section-header { margin-bottom: 40px; }

    .about-teaser { grid-template-columns: 1fr; gap: 36px; }
    .about-teaser-img img { height: 320px; }
    .about-teaser-content h2 { font-size: 26px; }

    .trust-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
    .contact-grid { grid-template-columns: 1fr; gap: 36px; }
    .form-row { grid-template-columns: 1fr; }
    .category-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
    .product-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
    .featured-showcase-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
    .feature-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }

    .featured-banner-inner { grid-template-columns: 1fr; min-height: auto; }
    .featured-banner-img { height: 280px; }
    .featured-banner-content { padding: 40px 24px; }
    .featured-banner-content h2 { font-size: 30px; }
    .featured-banner-content > p { font-size: 15px; }

    section { padding: 56px 0; }
    .container { padding: 0 20px; }

    .product-info { padding: 18px; }
    .product-info h4 { font-size: 15px; }
    .product-actions .btn { padding: 10px 16px; font-size: 13px; min-height: 44px; }
    .showcase-info { padding: 18px; }
    .showcase-info h4 { font-size: 15px; }
    .showcase-actions .btn { padding: 10px 16px; font-size: 13px; min-height: 44px; }
}

/* ========== Responsive — Mobile ========== */
@media (max-width: 640px) {
    .header-inner { height: 56px; padding: 0 16px; padding-top: env(safe-area-inset-top); }
    .logo { font-size: 17px; gap: 8px; }
    .logo svg { width: 28px; height: 28px; }
    .header-actions { gap: 6px; }
    .lang-btn { padding: 6px 10px; font-size: 12px; min-height: 36px; }
    .lang-dropdown { min-width: 150px; }

    .hero { margin-top: 56px; min-height: 460px; }
    .hero::before { width: 100%; opacity: 0.12; }
    .hero-content { padding: 32px 0; }
    .hero h1 { font-size: 24px; line-height: 1.25; letter-spacing: -0.5px; }
    .hero p { font-size: 14px; margin-bottom: 24px; line-height: 1.55; }
    .hero-actions { flex-direction: column; gap: 10px; }
    .hero-actions .btn { width: 100%; padding: 14px; font-size: 15px; min-height: 48px; }
    .hero-badge { font-size: 11px; padding: 6px 14px; margin-bottom: 20px; }
    .hero-stats { gap: 16px; margin-top: 28px; padding-top: 20px; }
    .hero-stat .num { font-size: 22px; }
    .hero-stat .label { font-size: 10px; letter-spacing: 0.3px; }

    .section-title { font-size: 22px; letter-spacing: -0.3px; }
    .section-subtitle { font-size: 14px; }
    .section-header { margin-bottom: 28px; }
    .section-tag { font-size: 11px; padding: 4px 12px; }

    .category-grid { grid-template-columns: 1fr; gap: 16px; }
    .category-img { height: 180px; }
    .category-body { padding: 18px; }
    .category-body h3 { font-size: 17px; }

    .product-grid { grid-template-columns: 1fr; gap: 14px; }
    .product-img { height: 190px; }
    .product-info { padding: 16px; }
    .product-info h4 { font-size: 15px; margin-bottom: 6px; }
    .product-specs { font-size: 12.5px; margin-bottom: 8px; }
    .product-material { font-size: 12px; margin-bottom: 10px; }
    .product-actions .btn { min-height: 44px; }
    .product-filters {
        gap: 8px; justify-content: flex-start;
        overflow-x: auto; -webkit-overflow-scrolling: touch;
        flex-wrap: nowrap; padding: 4px 0 12px;
        margin-bottom: 20px; margin-left: -16px; margin-right: -16px; padding-left: 16px; padding-right: 16px;
        scrollbar-width: none; -ms-overflow-style: none;
    }
    .product-filters::-webkit-scrollbar { display: none; }
    .filter-btn { padding: 10px 18px; font-size: 14px; white-space: nowrap; flex-shrink: 0; min-height: 42px; }

    .feature-grid { grid-template-columns: 1fr; gap: 16px; }
    .feature-item { padding: 28px 20px; }
    .feature-item h3 { font-size: 16px; }
    .feature-item p { font-size: 13px; }
    .feature-icon { width: 52px; height: 52px; margin-bottom: 16px; }
    .feature-icon svg { width: 22px; height: 22px; }

    .footer-grid { grid-template-columns: 1fr; gap: 24px; }
    .footer { padding: 48px 0 20px; }
    .footer-brand h3 { font-size: 20px; }
    .footer-col h4 { font-size: 13px; margin-bottom: 14px; }
    .footer-col ul li { margin-bottom: 8px; }
    .footer-col ul li a { font-size: 13px; }
    .footer-bottom { padding-top: 20px; font-size: 12px; }

    .trust-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
    .trust-item { padding: 8px; }
    .trust-item .num { font-size: 28px; }
    .trust-item .label { font-size: 11px; margin-top: 6px; }

    .about-teaser-content h2 { font-size: 22px; }
    .about-teaser-img img { height: 240px; }
    .about-list li { font-size: 14px; gap: 10px; }
    .capabilities-list { grid-template-columns: 1fr; gap: 16px; }
    .capability-item { padding: 20px 16px; }
    .capability-header h3 { font-size: 16px; }
    .capability-item p { font-size: 13px; }

    .contact-form { padding: 20px; }
    .contact-info h2 { font-size: 24px; }
    .contact-detail { gap: 12px; margin-bottom: 22px; }
    .contact-detail .icon { width: 44px; height: 44px; border-radius: 12px; }
    .contact-detail .icon svg { width: 20px; height: 20px; }
    .contact-detail h4 { font-size: 15px; }
    .contact-detail p { font-size: 14px; }
    .form-group input, .form-group textarea, .form-group select {
        padding: 14px 16px; font-size: 16px; min-height: 48px;
    }
    .form-group label { font-size: 13px; }

    .cert-grid { gap: 10px; }
    .cert-badge { min-width: 120px; padding: 18px 20px; }
    .cert-badge .icon { font-size: 32px; }
    .cert-badge .name { font-size: 14px; }
    .cert-badge .desc { font-size: 11px; }

    .cta h2 { font-size: 22px; }
    .cta p { font-size: 14px; margin-bottom: 24px; }
    .cta .btn { padding: 14px 28px; font-size: 15px; min-height: 48px; }

    .faq-question { font-size: 15px; padding: 18px 0; }
    .faq-answer p { font-size: 14px; padding-bottom: 18px; }

    .page-header { padding: 28px 0 20px; }
    .page-header h1 { font-size: 24px; }
    .page-header p { font-size: 14px; margin-top: 6px; }

    .breadcrumb { margin-top: 56px; padding: 14px 0; }
    .breadcrumb-inner { font-size: 13px; }

    section { padding: 36px 0; }
    .container { padding: 0 16px; }

    .whatsapp-float {
        width: 52px; height: 52px; bottom: calc(16px + env(safe-area-inset-bottom)); right: 16px;
    }
    .whatsapp-float svg { width: 26px; height: 26px; }

    .product-info { padding: 16px; }
    .product-info h4 { font-size: 15px; }
    .product-specs { font-size: 12px; line-height: 1.6; }
    .product-material { font-size: 11px; }
    .product-actions .btn { padding: 10px 14px; font-size: 13px; min-height: 44px; }
    .product-badge { font-size: 10px; padding: 4px 10px; top: 10px; left: 10px; }

    .featured-banner-img { height: 220px; }
    .featured-banner-content { padding: 32px 16px; }
    .featured-banner-content h2 { font-size: 24px; }
    .featured-banner-content > p { font-size: 14px; margin-bottom: 20px; }
    .featured-banner-tag { font-size: 11px; padding: 5px 14px; margin-bottom: 16px; }
    .featured-highlights { gap: 8px; margin-bottom: 24px; }
    .featured-highlight { font-size: 11px; padding: 6px 12px; }
    .featured-banner-actions { flex-direction: column; }
    .featured-banner-actions .btn { width: 100%; min-height: 48px; }

    .featured-showcase-grid { grid-template-columns: 1fr; gap: 16px; }
    .showcase-img { height: 200px; }
    .showcase-info { padding: 16px; }
    .showcase-info h4 { font-size: 15px; }
    .showcase-specs { font-size: 12px; line-height: 1.6; }
    .showcase-material { font-size: 11px; }
    .showcase-actions .btn { padding: 10px 14px; font-size: 13px; min-height: 44px; }
    .showcase-badge { font-size: 10px; padding: 4px 10px; top: 10px; left: 10px; }

    .btn { padding: 12px 22px; font-size: 14px; min-height: 44px; }
}

/* ========== Responsive — Small Mobile (<= 480px) ========== */
@media (max-width: 480px) {
    .hero { min-height: 420px; }
    .hero h1 { font-size: 21px; }
    .hero p { font-size: 13px; }
    .hero-badge { font-size: 10px; padding: 5px 12px; margin-bottom: 16px; }
    .hero-stats { gap: 12px; }
    .hero-stat .num { font-size: 20px; }

    .section-title { font-size: 20px; }
    .section-subtitle { font-size: 13px; }

    .product-img { height: 180px; }
    .product-info h4 { font-size: 14px; }
    .product-specs { font-size: 11px; }

    .featured-banner-img { height: 180px; }
    .featured-banner-content h2 { font-size: 21px; }
    .featured-banner-content > p { font-size: 13px; }
    .showcase-img { height: 180px; }
    .showcase-info h4 { font-size: 14px; }
    .showcase-specs { font-size: 11px; }

    .feature-item { padding: 24px 16px; }

    .trust-grid { gap: 12px; }
    .trust-item .num { font-size: 24px; }

    .cert-badge { min-width: 100px; padding: 14px 16px; }
    .cert-badge .icon { font-size: 28px; }
    .cert-badge .name { font-size: 13px; }
    .cert-badge .desc { font-size: 10px; }

    .contact-form { padding: 16px; }
    .contact-detail .icon { width: 40px; height: 40px; }

    .footer-brand p { font-size: 13px; }

    .whatsapp-float { width: 48px; height: 48px; }
    .whatsapp-float svg { width: 24px; height: 24px; }
}

/* ========== Responsive — Ultra Small (<= 360px) ========== */
@media (max-width: 360px) {
    .hero h1 { font-size: 19px; }
    .hero p { font-size: 12px; }
    .logo { font-size: 15px; }
    .logo svg { width: 24px; height: 24px; }
    .lang-btn { padding: 5px 8px; font-size: 11px; }
    .section-title { font-size: 18px; }
    .product-info h4 { font-size: 13px; }
    .filter-btn { padding: 7px 12px; font-size: 12px; }
    .cert-badge { min-width: 90px; padding: 12px; }
    .trust-grid { grid-template-columns: 1fr 1fr; gap: 8px; }
    .trust-item .num { font-size: 20px; }
    .trust-item .label { font-size: 10px; }
}

/* ========== Body scroll lock when mobile menu open ========== */
body.menu-open { overflow: hidden; }

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ========== Scroll Reveal ========== */
.reveal {
    opacity: 0; transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ========== Utility ========== */
.text-center { text-align: center; }
.mt-0 { margin-top: 0 !important; }