/*
 * 张家港市凤凰特种花色线有限公司官网 - 全站样式
 * 设计主题：纱线色彩实验室（Color Lab + 纺织纹理）
 * 亮点：色卡网格、渐变光带、纱线飘动动效、玻璃质感卡片、响应式优先
 */

/* ============================
   1. Design Tokens
   ============================ */
:root {
    /* 核心色彩 DNA */
    --color-gold: #b8860b; /* 金丝 */
    --color-silver: #9ca3af; /* 银线 */
    --color-ivory: #faf5e4; /* 棉麻米底色 */
    --color-deep: #3d2914; /* 织机褐 */
    --color-text: #2b2012;
    --color-muted: #6b5a45;
    --color-emerald: #0ea5e9;
    --color-amber: #f59e0b;
    --color-cream: #f5d7a1;
    --color-gradient: linear-gradient(120deg, #b8860b, #d6a550 35%, #e3c58f 70%, #f5e8c8);
    --color-rainbow: linear-gradient(135deg, #b8860b, #d97706, #f59e0b, #f97316, #eab308);

    /* 阴影与圆角 */
    --shadow-soft: 0 12px 40px rgba(61, 41, 20, 0.12);
    --shadow-strong: 0 24px 70px rgba(0, 0, 0, 0.16);
    --radius-xs: 8px;
    --radius-sm: 12px;
    --radius-md: 18px;
    --radius-lg: 26px;

    /* 排版 */
    --font-body: 'Inter', 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    --font-heading: 'Poppins', 'HarmonyOS Sans SC', 'Helvetica Neue', sans-serif;
    --font-mono: 'SFMono-Regular', Menlo, Consolas, monospace;
    --line-height: 1.7;

    /* 间距尺度 */
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-6: 24px;
    --space-8: 32px;
    --space-10: 40px;
    --space-12: 48px;
    --space-14: 56px;
    --space-16: 64px;
    --space-20: 80px;

    --container-width: 1240px;
    --header-height: 78px;

    /* 兼容旧版变量 */
    --color-primary: var(--color-gold);
    --color-secondary: var(--color-amber);
    --color-accent: rgba(184,134,11,0.1);
    --color-background: #ffffff;
    --color-background-light: #ffffff;
    --color-border: rgba(61,41,20,0.12);
    --color-text-light: #6b5a45;
    --border-radius-base: var(--radius-sm);
    --border-radius-lg: var(--radius-lg);
    --box-shadow-base: var(--shadow-soft);
    --box-shadow-hover: var(--shadow-strong);
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 32px;
    --spacing-xl: 64px;
}

/* ============================
   2. Base Reset & Helpers
   ============================ */
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font-body);
    color: var(--color-text);
    background: var(--color-ivory);
    line-height: var(--line-height);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    background-image:
        radial-gradient(120px 120px at 20% 20%, rgba(184,134,11,0.06), transparent),
        radial-gradient(200px 200px at 80% 10%, rgba(156,163,175,0.08), transparent),
        linear-gradient(135deg, rgba(61,41,20,0.06), rgba(61,41,20,0.02));
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--space-4);
}

.grid { display: grid; gap: var(--space-6); }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid-5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }

.section { padding: var(--space-16) 0; position: relative; }
.section-compact { padding: var(--space-10) 0; }
.section::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(184,134,11,0.06), transparent 22%, rgba(61,41,20,0.04) 78%, transparent);
    pointer-events: none;
    opacity: 0.45;
}

.section-head { position: relative; margin-bottom: var(--space-8); max-width: 820px; }
.section-eyebrow { letter-spacing: 0.18em; font-size: 0.82rem; color: var(--color-muted); text-transform: uppercase; display: inline-flex; align-items: center; gap: var(--space-2); }
.section-eyebrow::before { content: ''; width: 32px; height: 2px; background: var(--color-gradient); display: inline-block; border-radius: 999px; }
.section-head h2 { font-family: var(--font-heading); font-size: 2.4rem; margin-bottom: var(--space-4); color: var(--color-deep); }
.section-head p { color: #5c4932; font-size: 1.05rem; }

.badge { display: inline-flex; align-items: center; gap: var(--space-2); padding: 6px 12px; border-radius: 999px; background: rgba(184,134,11,0.12); color: var(--color-deep); font-weight: 600; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; padding: 12px 18px; border-radius: var(--radius-md); border: 1px solid transparent; font-weight: 600; cursor: pointer; transition: all 0.25s ease; }
.btn-primary { background: var(--color-gradient); color: #2b2012; box-shadow: var(--shadow-soft); }
.btn-primary:hover { box-shadow: var(--shadow-strong); transform: translateY(-1px); }
.btn-ghost { background: rgba(255,255,255,0.6); border-color: rgba(61,41,20,0.14); color: var(--color-deep); backdrop-filter: blur(8px); }
.btn-ghost:hover { background: rgba(255,255,255,0.9); }
.btn-link { color: var(--color-deep); font-weight: 600; text-decoration: underline; text-decoration-thickness: 2px; }

.pill { border-radius: 999px; padding: 6px 14px; background: rgba(61,41,20,0.08); color: var(--color-deep); display: inline-flex; gap: 8px; align-items: center; }

.card { background: #fff; border: 1px solid rgba(61,41,20,0.08); border-radius: var(--radius-lg); box-shadow: var(--shadow-soft); padding: var(--space-8); position: relative; overflow: hidden; }
.glass-card { background: rgba(255,255,255,0.68); border: 1px solid rgba(255,255,255,0.6); box-shadow: var(--shadow-soft); backdrop-filter: blur(14px); }

.fabric-bg { background: linear-gradient(145deg, rgba(250,245,228,0.95), rgba(255,255,255,0.8)); position: relative; overflow-x: hidden; overflow-y: auto; }
.fabric-bg::before, .fabric-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image: repeating-linear-gradient(90deg, rgba(61,41,20,0.05) 0, rgba(61,41,20,0.05) 1px, transparent 1px, transparent 14px),
                      repeating-linear-gradient(0deg, rgba(61,41,20,0.04) 0, rgba(61,41,20,0.04) 1px, transparent 1px, transparent 16px);
    mix-blend-mode: multiply;
    opacity: 0.5;
    pointer-events: none;
}
.fabric-bg::after { background-image: linear-gradient(135deg, rgba(184,134,11,0.06), transparent 40%), linear-gradient(45deg, rgba(156,163,175,0.05), transparent 50%); opacity: 0.4; }

.reveal-on-scroll { opacity: 0; transform: translateY(30px); transition: all 0.6s ease; }
.reveal-on-scroll.revealed { opacity: 1; transform: translateY(0); }

/* ============================
   3. Header & Navigation
   ============================ */
.header {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: var(--header-height);
    z-index: 1200;
    backdrop-filter: blur(12px);
    background: rgba(250,245,228,0.85);
    border-bottom: 1px solid rgba(61,41,20,0.08);
    box-shadow: 0 8px 30px rgba(61,41,20,0.08);
}
.header::before {
    content: '';
    position: absolute; inset: 0;
    background: linear-gradient(90deg, rgba(184,134,11,0.18), rgba(250,245,228,0), rgba(156,163,175,0.16));
    opacity: 0.6;
    pointer-events: none;
}
.header-scrolled { height: 70px; }

.navbar {
    display: flex; align-items: center; justify-content: space-between;
    height: 100%; position: relative;
}
.logo { display: inline-flex; align-items: center; gap: var(--space-2); font-family: var(--font-heading); font-size: 1.1rem; color: var(--color-deep); font-weight: 700; }
.logo-text { display: flex; flex-direction: column; line-height: 1.15; }
.logo-name { font-size: 1.05rem; font-weight: 700; }
.logo-tagline { font-size: 0.78rem; color: var(--color-muted); margin-top: 2px; }
.nav-menu { display: flex; align-items: center; gap: var(--space-4); }
.nav-item { position: relative; }
.nav-link { padding: 10px 14px; border-radius: 12px; color: var(--color-text); font-weight: 600; transition: color 0.2s, background 0.2s; }
.nav-link:hover { color: var(--color-deep); background: rgba(184,134,11,0.12); }
.nav-item:hover > .dropdown-menu { opacity: 1; transform: translateY(0); pointer-events: auto; }

.dropdown-menu {
    position: absolute; left: 0; top: calc(100% + 6px);
    min-width: 200px;
    padding: var(--space-3);
    background: #fff;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-soft);
    border: 1px solid rgba(61,41,20,0.08);
    opacity: 0; transform: translateY(8px);
    transition: all 0.2s ease;
    pointer-events: none;
    z-index: 20;
}
.dropdown-item a { display: block; padding: 10px 12px; border-radius: 10px; color: var(--color-text); }
.dropdown-item a:hover { background: rgba(184,134,11,0.12); color: var(--color-deep); }

.nav-actions { display: flex; gap: var(--space-3); align-items: center; }
.menu-toggle { display: none; font-size: 1.6rem; cursor: pointer; }

/* ============================
   4. Hero & Lab Elements
   ============================ */
.hero { padding: calc(var(--space-20) + var(--header-height)) 0 var(--space-12); position: relative; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; align-items: center; gap: var(--space-10); position: relative; z-index: 2; }
.hero h1 { font-family: var(--font-heading); font-size: 3rem; color: var(--color-deep); line-height: 1.1; margin: var(--space-4) 0 var(--space-4); }
.hero p { color: #4a3926; font-size: 1.08rem; }
.hero-meta { display: flex; gap: var(--space-4); flex-wrap: wrap; margin-top: var(--space-6); }
.hero-aurora { position: absolute; inset: -18% -14% auto -14%; height: 78%; background: radial-gradient(120% 120% at 20% 30%, rgba(245,215,161,0.55), transparent 40%), radial-gradient(90% 90% at 70% 20%, rgba(14,165,233,0.16), transparent 42%), radial-gradient(110% 110% at 50% 80%, rgba(184,134,11,0.28), transparent 50%); filter: blur(38px); mix-blend-mode: screen; opacity: 0.75; animation: auroraShift 14s ease-in-out infinite; pointer-events: none; }
@keyframes auroraShift {
    0% { transform: translate3d(-8px, -6px, 0) scale(1); opacity: 0.7; }
    50% { transform: translate3d(10px, 6px, 0) scale(1.05); opacity: 0.9; }
    100% { transform: translate3d(-8px, -6px, 0) scale(1); opacity: 0.7; }
}
.cta-row { margin-top: var(--space-6); display: flex; gap: var(--space-4); flex-wrap: wrap; align-items: center; padding: var(--space-3) var(--space-3) var(--space-3) var(--space-4); background: rgba(255,255,255,0.6); border: 1px solid rgba(61,41,20,0.08); border-radius: var(--radius-md); box-shadow: 0 16px 50px rgba(61,41,20,0.08); backdrop-filter: blur(10px); position: relative; overflow: hidden; }
.cta-row::after { content: ''; position: absolute; inset: 8px; border-radius: inherit; background: radial-gradient(circle at 20% 50%, rgba(184,134,11,0.18), transparent 45%), radial-gradient(circle at 80% 30%, rgba(14,165,233,0.08), transparent 50%); opacity: 0.65; pointer-events: none; }
.metric { background: rgba(61,41,20,0.06); padding: var(--space-3) var(--space-4); border-radius: var(--radius-md); min-width: 120px; }
.metric strong { display: block; font-size: 1.5rem; color: var(--color-deep); }

.floating-threads { position: absolute; inset: -10% 0 0; pointer-events: none; filter: blur(0.2px); opacity: 0.55; }
.floating-threads span {
    position: absolute;
    width: 1px; height: 120%;
    background: linear-gradient(180deg, transparent, var(--thread-color, #b8860b), transparent 70%);
    animation: floatThread 16s ease-in-out infinite;
    mix-blend-mode: multiply;
}
@keyframes floatThread {
    0% { transform: translateY(0) translateX(0) scaleY(1); opacity: 0.3; }
    50% { transform: translateY(-6%) translateX(4px) scaleY(1.1); opacity: 0.8; }
    100% { transform: translateY(0) translateX(0) scaleY(1); opacity: 0.35; }
}

.hero-lab {
    position: relative;
    padding: var(--space-10);
    border-radius: var(--radius-lg);
    background: rgba(255,255,255,0.78);
    box-shadow: var(--shadow-strong);
    border: 1px solid rgba(184,134,11,0.2);
    overflow: hidden;
    transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.3s ease;
    transform-style: preserve-3d;
    will-change: transform;
}
.hero-lab::after {
    content: '';
    position: absolute; inset: 0;
    background: radial-gradient(circle at 30% 20%, rgba(184,134,11,0.15), transparent 45%),
                radial-gradient(circle at 80% 60%, rgba(156,163,175,0.16), transparent 40%);
    pointer-events: none;
}
.hero-lab.is-tilting { box-shadow: 0 28px 80px rgba(61,41,20,0.22); border-color: rgba(184,134,11,0.35); }
.scroll-hint { position: absolute; left: 50%; bottom: 24px; transform: translateX(-50%); display: inline-flex; flex-direction: column; align-items: center; gap: 8px; color: #3d2914; font-size: 0.9rem; opacity: 0.8; z-index: 2; }
.scroll-dot { width: 14px; height: 28px; border-radius: 999px; border: 1px solid rgba(61,41,20,0.18); position: relative; display: inline-block; }
.scroll-dot::after { content: ''; position: absolute; width: 6px; height: 6px; border-radius: 50%; background: #b8860b; left: 50%; top: 6px; transform: translateX(-50%); animation: scrollHint 2.4s ease-in-out infinite; box-shadow: 0 0 0 6px rgba(184,134,11,0.15); }
@keyframes scrollHint {
    0% { opacity: 0; transform: translate(-50%, -4px) scale(0.9); }
    40% { opacity: 1; transform: translate(-50%, 12px) scale(1); }
    70% { opacity: 0; transform: translate(-50%, 18px) scale(0.95); }
    100% { opacity: 0; transform: translate(-50%, -4px) scale(0.9); }
}
.silk-preview {
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, rgba(61,41,20,0.08), rgba(255,255,255,0));
    padding: var(--space-6);
    border: 1px dashed rgba(61,41,20,0.16);
    position: relative;
    overflow: hidden;
}
.silk-preview::before {
    content: '';
    position: absolute; inset: 0;
    background: repeating-linear-gradient(120deg, rgba(184,134,11,0.12) 0, rgba(184,134,11,0.12) 2px, transparent 2px, transparent 10px);
    mix-blend-mode: multiply;
    opacity: 0.6;
}

/* ============================
   5. Swatches & Color Tools
   ============================ */
.swatch-layout { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: var(--space-8); align-items: stretch; }
.swatch-preview { background: #fff; border-radius: var(--radius-lg); padding: var(--space-6); box-shadow: var(--shadow-soft); border: 1px solid rgba(61,41,20,0.06); display: grid; gap: var(--space-4); }
.swatch-preview-color { height: 160px; border-radius: var(--radius-md); background: var(--color-gradient); position: relative; overflow: hidden; }
.swatch-preview-color::after { content: ''; position: absolute; inset: 0; background: repeating-linear-gradient(45deg, rgba(255,255,255,0.14) 0, rgba(255,255,255,0.14) 3px, transparent 3px, transparent 14px); opacity: 0.8; }
.swatch-preview-meta { display: flex; justify-content: space-between; align-items: center; gap: var(--space-4); }
.swatch-preview-meta h3 { font-size: 1.3rem; color: var(--color-deep); margin: 0; }
.swatch-preview-meta span { font-family: var(--font-mono); color: var(--color-muted); }

.swatch-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: var(--space-4); }
.swatch-card { border: 1px solid rgba(61,41,20,0.08); border-radius: var(--radius-md); padding: var(--space-4); background: #fff; box-shadow: 0 10px 30px rgba(61,41,20,0.08); transition: all 0.2s ease; cursor: pointer; }
.swatch-card:hover { transform: translateY(-4px); box-shadow: 0 14px 40px rgba(61,41,20,0.16); }
.swatch-chip { width: 100%; height: 80px; border-radius: var(--radius-sm); margin-bottom: var(--space-3); background: var(--color-gradient); position: relative; overflow: hidden; }
.swatch-chip::before { content: attr(data-code); position: absolute; bottom: 10px; right: 12px; color: rgba(0,0,0,0.45); font-size: 0.9rem; font-family: var(--font-mono); }
.swatch-label { font-weight: 700; color: var(--color-deep); }
.swatch-desc { color: var(--color-muted); font-size: 0.95rem; }

.color-tool { background: #fff; border-radius: var(--radius-lg); padding: var(--space-8); box-shadow: var(--shadow-soft); border: 1px solid rgba(61,41,20,0.06); display: grid; gap: var(--space-6); }
.color-tool .controls { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px,1fr)); gap: var(--space-4); }
.color-preview { height: 220px; border-radius: var(--radius-lg); background: var(--color-gradient); position: relative; overflow: hidden; box-shadow: var(--shadow-strong); }
.color-preview::after { content: ''; position: absolute; inset: 0; background: radial-gradient(circle at 20% 20%, rgba(255,255,255,0.5), transparent 50%), radial-gradient(circle at 70% 60%, rgba(255,255,255,0.32), transparent 50%); mix-blend-mode: screen; }
.color-meta { display: flex; justify-content: space-between; align-items: center; margin-top: var(--space-3); font-family: var(--font-mono); color: var(--color-muted); }

/* ============================
   6. Process, Cards & Lists
   ============================ */
.process-flow { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px,1fr)); gap: var(--space-4); }
.process-step { padding: var(--space-6); border-radius: var(--radius-lg); background: rgba(255,255,255,0.9); border: 1px solid rgba(61,41,20,0.08); box-shadow: var(--shadow-soft); position: relative; overflow: hidden; }
.process-step::after { content: ''; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(184,134,11,0.08), transparent 55%); opacity: 0.8; }
.process-icon { width: 44px; height: 44px; border-radius: 12px; background: rgba(184,134,11,0.15); display: grid; place-items: center; font-size: 1.3rem; color: var(--color-deep); margin-bottom: var(--space-3); }

.lab-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px,1fr)); gap: var(--space-4); }
.lab-card { border: 1px solid rgba(61,41,20,0.08); border-radius: var(--radius-lg); padding: var(--space-6); background: #fff; box-shadow: var(--shadow-soft); position: relative; overflow: hidden; }
.lab-card::before { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(184,134,11,0.08), transparent 60%); opacity: 0.8; pointer-events: none; }
.lab-card h3 { margin-bottom: var(--space-3); color: var(--color-deep); }
.lab-card p { color: var(--color-muted); }

.ribbon { display: inline-flex; align-items: center; gap: var(--space-2); padding: 6px 12px; border-radius: 999px; background: rgba(156,163,175,0.14); color: var(--color-deep); font-weight: 600; }

/* ============================
   7. Lists & Media Cards (news/cases/products)
   ============================ */
.media-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px,1fr)); gap: var(--space-6); }
.media-card { border-radius: var(--radius-lg); overflow: hidden; border: 1px solid rgba(61,41,20,0.08); background: #fff; box-shadow: var(--shadow-soft); display: flex; flex-direction: column; }
.media-card img { height: 190px; object-fit: cover; }
.media-card-body { padding: var(--space-5); display: grid; gap: var(--space-3); flex: 1; }
.media-card h4 { margin: 0; color: var(--color-deep); font-size: 1.2rem; }
.media-card p { color: var(--color-muted); }
.media-meta { display: flex; justify-content: space-between; color: var(--color-muted); font-size: 0.92rem; }
.tag { display: inline-flex; align-items: center; padding: 4px 10px; border-radius: 10px; background: rgba(184,134,11,0.12); color: var(--color-deep); font-weight: 600; }

/* ============================
   8. Forms & CTA
   ============================ */
.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px,1fr)); gap: var(--space-4); }
.input { width: 100%; padding: 12px 14px; border-radius: var(--radius-md); border: 1px solid rgba(61,41,20,0.16); background: rgba(255,255,255,0.9); font-size: 1rem; }
.input:focus { outline: 2px solid rgba(184,134,11,0.3); border-color: rgba(184,134,11,0.4); }
.textarea { min-height: 140px; resize: vertical; }
.feedback { color: var(--color-deep); font-weight: 700; opacity: 0; transition: opacity 0.3s ease; }
.feedback.show { opacity: 1; }

.cta-bar { background: linear-gradient(120deg, rgba(184,134,11,0.24), rgba(156,163,175,0.14)); border-radius: var(--radius-lg); padding: var(--space-8); display: grid; grid-template-columns: 1.4fr 1fr; align-items: center; gap: var(--space-6); box-shadow: var(--shadow-soft); }

/* ============================
   9. Page Hero & Article Shell
   ============================ */
.page-hero {
    position: relative;
    margin-top: var(--header-height);
    padding: var(--space-14) 0 var(--space-10);
    background: linear-gradient(135deg, rgba(184,134,11,0.12), rgba(61,41,20,0.08)), url('../images/yarn_on_loom.png') center/cover no-repeat;
    color: #2b2012;
}
.page-hero .container { position: relative; z-index: 2; }
.page-hero::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(250,245,228,0.92), rgba(250,245,228,0.75)); }
.page-hero h1 { font-family: var(--font-heading); font-size: 2.6rem; margin-bottom: var(--space-3); position: relative; z-index: 2; }
.page-hero p { max-width: 760px; color: #3d2c18; font-size: 1.05rem; position: relative; z-index: 2; }

.article-shell { padding: var(--space-12) 0; }
.article { background: #fff; border-radius: var(--radius-lg); padding: var(--space-10); box-shadow: var(--shadow-soft); border: 1px solid rgba(61,41,20,0.08); }
.article h1, .article h2, .article h3 { color: var(--color-deep); font-family: var(--font-heading); margin: var(--space-4) 0 var(--space-3); }
.article p { margin-bottom: var(--space-4); color: #4a3926; }
.article img { border-radius: var(--radius-md); box-shadow: var(--shadow-soft); margin: var(--space-6) 0; }
.article-meta { color: var(--color-muted); margin-bottom: var(--space-4); display: flex; gap: var(--space-4); flex-wrap: wrap; }
.related-list { margin-top: var(--space-8); padding-top: var(--space-6); border-top: 1px dashed rgba(61,41,20,0.16); }
.related-list ul { list-style: none; padding: 0; }
.related-list li { padding: 8px 0; }

/* 兼容老版详情区块的上下内边距 */
.case-detail-section,
.news-detail-section,
.solution-detail-section,
.job-detail-section {
    padding-top: calc(var(--space-12) + var(--header-height)) !important;
    padding-bottom: var(--space-12);
}
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(135deg, rgba(0,0,0,0.4), rgba(0,0,0,0.25)); pointer-events: none; border-radius: inherit; }

/* ============================
   10. Footer
   ============================ */
.footer { background: #1f140b; color: rgba(255,255,255,0.9); padding: var(--space-12) 0 var(--space-6); margin-top: var(--space-12); position: relative; overflow: hidden; }
.footer::before { content: ''; position: absolute; inset: 0; background: radial-gradient(60% 60% at 20% 20%, rgba(184,134,11,0.15), transparent), radial-gradient(40% 40% at 80% 0%, rgba(156,163,175,0.16), transparent); opacity: 0.7; }
.footer .container { position: relative; z-index: 2; }
.footer h4 { margin-bottom: var(--space-4); color: #f7e7c8; font-family: var(--font-heading); }
.footer-links li { margin-bottom: var(--space-2); color: rgba(255,255,255,0.82); }
.footer-links a { color: inherit; }
.footer-bottom { margin-top: var(--space-8); padding-top: var(--space-4); border-top: 1px solid rgba(255,255,255,0.12); color: rgba(255,255,255,0.7); font-size: 0.95rem; }

/* ============================
   11. Responsive
   ============================ */
@media (max-width: 1100px) {
    .hero-grid { grid-template-columns: 1fr; }
    .swatch-layout { grid-template-columns: 1fr; }
    .cta-bar { grid-template-columns: 1fr; }
}

@media (max-width: 960px) {
    .hero-aurora { inset: -26% -18% auto -18%; height: 70%; }
    .scroll-hint { bottom: 16px; }
    .nav-menu {
        position: absolute;
        top: calc(100% + 8px);
        right: var(--space-4);
        flex-direction: column;
        background: rgba(255,255,255,0.98);
        border-radius: var(--radius-lg);
        border: 1px solid rgba(61,41,20,0.08);
        box-shadow: var(--shadow-soft);
        padding: var(--space-4);
        width: 280px;
        max-height: 70vh;
        overflow: auto;
        display: none;
        z-index: 20;
    }
    .nav-menu.is-open { display: flex; }
    .menu-toggle { display: block; }
}

@media (max-width: 768px) {
    .grid-2, .grid-3, .grid-4, .grid-5 { grid-template-columns: 1fr; }
    .hero { padding-top: calc(var(--header-height) + var(--space-10)); }
    .scroll-hint { display: none; }
    .section { padding: var(--space-12) 0; }
    .section-head h2 { font-size: 2rem; }
    .page-hero { padding: var(--space-12) 0 var(--space-8); }
    .article { padding: var(--space-6); }
}