/* ============================================
   MATILDA TAN — AWWWARDS-LEVEL STYLES
   China Sourcing Agent & Spanish Translator
   ============================================ */

/* ----- VARIABLES ----- */
:root {
    --bg: #faf9f7;
    --bg-white: #ffffff;
    --bg-alt: #f3f1ee;
    --bg-dark: #0d0d12;
    --text-primary: #1a1a1e;
    --text-secondary: #6b6b72;
    --text-tertiary: #9999a0;
    --text-inverse: #ffffff;
    --accent: #d44352;
    --accent-hover: #c13a48;
    --accent-subtle: rgba(212, 67, 82, 0.08);
    --accent-glow: rgba(212, 67, 82, 0.25);
    --gold: #c8a96e;
    --gold-subtle: rgba(200, 169, 110, 0.12);
    --border: #e8e6e1;
    --border-light: #f0efeb;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.04);
    --shadow: 0 4px 20px rgba(0,0,0,0.06);
    --shadow-lg: 0 12px 48px rgba(0,0,0,0.08);
    --shadow-xl: 0 24px 80px rgba(0,0,0,0.1);
    --radius-sm: 8px;
    --radius: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-cn: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --transition: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --transition-slow: 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --container: 1200px;
    --nav-height: 76px;
}

/* ----- RESET ----- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
body {
    font-family: var(--font-sans);
    background: var(--bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, textarea, select { font-family: inherit; font-size: inherit; }
ul { list-style: none; }
::selection { background: var(--accent); color: white; }

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

/* ----- TYPOGRAPHY ----- */
h1, h2, h3, h4 {
    font-weight: 600;
    line-height: 1.25;
    letter-spacing: -0.02em;
}
.section-head {
    text-align: center;
    margin-bottom: 64px;
}
.section-tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent);
    background: var(--accent-subtle);
    padding: 6px 16px;
    border-radius: 100px;
    margin-bottom: 16px;
}
.section-title {
    font-size: clamp(1.75rem, 4vw, 2.75rem);
    margin-bottom: 16px;
    color: var(--text-primary);
}
.section-desc {
    font-size: 1.05rem;
    color: var(--text-secondary);
    max-width: 560px;
    margin: 0 auto;
    line-height: 1.7;
}

/* ----- BUTTONS ----- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
    white-space: nowrap;
}
.btn-primary {
    background: var(--accent);
    color: white;
}
.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px var(--accent-glow);
}
.btn-primary svg { transition: transform 0.3s ease; }
.btn-primary:hover svg { transform: translateX(4px); }
.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1.5px solid var(--border);
    padding: 10px 24px;
    font-size: 0.85rem;
}
.btn-outline:hover {
    border-color: var(--accent);
    background: var(--accent-subtle);
    color: var(--accent);
}
.btn-text {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    padding: 0;
}
.btn-text:hover { color: var(--accent); }
.btn-lg {
    padding: 16px 36px;
    font-size: 0.95rem;
    border-radius: var(--radius);
}
.btn-sm {
    padding: 8px 20px;
    font-size: 0.82rem;
}
.btn-full { width: 100%; }

/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--nav-height);
    transition: var(--transition);
    background: rgba(250, 249, 247, 0.85);
    backdrop-filter: blur(16px) saturate(1.8);
    -webkit-backdrop-filter: blur(16px) saturate(1.8);
    border-bottom: 1px solid transparent;
}
.navbar.scrolled {
    background: rgba(255, 255, 255, 0.92);
    border-bottom-color: var(--border-light);
}

.nav-container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}
.nav-logo-img { height: 48px; width: auto; }
.nav-logo-text {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: 0.02em;
}
.nav-links {
    display: flex;
    gap: 24px;
    align-items: center;
}
.nav-link {
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition);
    position: relative;
    padding: 6px 0;
}
.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1.5px;
    background: var(--accent);
    transition: var(--transition);
}
.nav-link:hover { color: var(--text-primary); }
.nav-link:hover::after { width: 100%; }

/* Dropdown */
.nav-dropdown {
    position: relative;
}
.dropdown-menu {
    position: absolute;
    top: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%) translateY(6px);
    background: var(--bg-white);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    padding: 8px;
    min-width: 160px;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow-lg);
    z-index: 100;
}
.nav-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}
.dropdown-link {
    display: block;
    padding: 8px 14px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    border-radius: 6px;
    transition: var(--transition);
    white-space: nowrap;
    text-decoration: none;
}
.dropdown-link:hover {
    background: var(--accent-subtle);
    color: var(--accent);
}
.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

/* Lang Switcher */
.lang-switcher {
    display: flex;
    background: var(--bg-alt);
    border-radius: var(--radius-sm);
    padding: 3px;
    gap: 2px;
}
.lang-btn {
    padding: 5px 10px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-tertiary);
    border-radius: 6px;
    transition: var(--transition);
    letter-spacing: 0.04em;
}
.lang-btn.active {
    background: var(--bg-white);
    color: var(--text-primary);
    box-shadow: var(--shadow-sm);
}

/* Menu Toggle */
.menu-toggle {
    display: none;
    width: 28px;
    height: 28px;
    position: relative;
    flex-direction: column;
    justify-content: center;
    gap: 6px;
}
.menu-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition);
}
.menu-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(3px, 3px); }
.menu-toggle.active span:nth-child(2) { transform: rotate(-45deg) translate(3px, -3px); }

/* Mobile Menu */
.mobile-menu {
    display: flex;
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: rgba(255,255,255,0.98);
    backdrop-filter: blur(20px);
    padding: 24px 24px 32px;
    flex-direction: column;
    gap: 20px;
    z-index: 999;
    border-bottom: 1px solid var(--border-light);
    transform: translateY(-10px);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    pointer-events: none;
}
.mobile-menu.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}
.mobile-menu a {
    font-size: 1.05rem;
    font-weight: 500;
    color: var(--text-primary);
    padding: 8px 0;
    transition: var(--transition);
    border-bottom: 1px solid var(--border-light);
}
.mobile-menu a:hover {
    color: var(--accent);
}
.mobile-menu .lang-switcher {
    justify-content: center;
    margin-top: 12px;
}

/* ============================================
   HERO
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: calc(var(--nav-height) + 40px) 0 80px;
    position: relative;
    overflow: hidden;
}
.hero-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
    background: linear-gradient(180deg, #faf9f7 0%, #f3f1ee 100%);
}
.hero-pattern {
    position: absolute;
    top: -30%;
    right: -10%;
    width: 60%;
    height: 140%;
    background: radial-gradient(ellipse at center, rgba(212,67,82,0.04) 0%, transparent 70%);
    pointer-events: none;
}
.hero-container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    width: 100%;
}
.hero-text { position: relative; z-index: 2; }
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--accent);
    background: var(--accent-subtle);
    padding: 6px 16px;
    border-radius: 100px;
    margin-bottom: 24px;
}
.hero-badge-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
    animation: pulse-dot 2s ease infinite;
}
@keyframes pulse-dot {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}
.hero-title {
    margin-bottom: 20px;
}
.hero-title-line {
    display: block;
    font-size: clamp(2.2rem, 6vw, 4rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    color: var(--text-primary);
}
.hero-title-accent {
    display: block;
    font-size: clamp(1.8rem, 5vw, 3.2rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    background: linear-gradient(135deg, var(--accent), #e8737e);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero-desc {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--text-secondary);
    max-width: 520px;
    margin-bottom: 32px;
}
.hero-actions {
    display: flex;
    align-items: center;
    gap: 24px;
    flex-wrap: wrap;
    margin-bottom: 0;
}

/* Hero Visual - Photo Collage */
.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}
.hero-collage {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    gap: 14px;
    width: 100%;
    max-width: 440px;
    position: relative;
}
.collage-item {
    border-radius: 14px;
    overflow: hidden;
    box-shadow: 0 8px 30px rgba(0,0,0,0.08);
    aspect-ratio: 1;
    transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94), box-shadow 0.5s ease;
}
.collage-item:hover {
    transform: scale(1.03);
    box-shadow: 0 12px 40px rgba(0,0,0,0.15);
    z-index: 3;
}
.collage-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.collage-item-1 {
    transform: rotate(-2deg);
    z-index: 1;
}
.collage-item-2 {
    transform: rotate(3deg) translateY(10px);
    z-index: 2;
}
.collage-item-3 {
    transform: rotate(1deg) translateY(-10px);
    z-index: 2;
}
.collage-item-4 {
    transform: rotate(-1deg);
    z-index: 1;
}
.hero-float-card strong {
    display: block;
    font-size: 1.1rem;
    color: var(--text-primary);
}
.hero-float-card span {
    font-size: 0.75rem;
    color: var(--text-tertiary);
}
.hero-float-card .float-icon { font-size: 1.5rem; }
.card-1 { bottom: 10%; right: -5%; animation-delay: 0s; }
.card-2 { top: 8%; left: -8%; animation-delay: 1.5s; }
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-8px); }
}

/* ============================================
   SERVICES
   ============================================ */
.services {
    padding: 100px 0;
    background: var(--bg-white);
}
.services-duo {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
}
.service-card-lg {
    position: relative;
    padding: 48px 40px;
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-light);
    background: var(--bg);
    transition: var(--transition);
    overflow: hidden;
}
.service-card-lg:hover {
    border-color: transparent;
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}
.service-card-lg:hover .service-card-bg {
    opacity: 1;
}
.service-card-alt {
    background: var(--bg-white);
}
.service-card-alt:hover {
    border-color: transparent;
}
.service-card-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--accent-subtle) 0%, transparent 60%);
    opacity: 0;
    transition: var(--transition);
    pointer-events: none;
}
.service-card-icon {
    width: 64px;
    height: 64px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent);
    color: white;
    margin-bottom: 24px;
    position: relative;
    z-index: 1;
}
.service-card-lg h3 {
    font-size: 1.5rem;
    margin-bottom: 12px;
    position: relative;
    z-index: 1;
}
.service-card-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 24px;
    position: relative;
    z-index: 1;
}
.service-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 28px;
    position: relative;
    z-index: 1;
}
.service-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.92rem;
    color: var(--text-secondary);
}
.list-check {
    color: var(--accent);
    font-weight: 600;
    flex-shrink: 0;
}

/* ============================================
   WHY
   ============================================ */
.why {
    padding: 100px 0;
    background: var(--bg-alt);
}
.why-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
}
.why-card {
    background: var(--bg-white);
    padding: 32px 24px;
    border-radius: var(--radius);
    text-align: center;
    transition: var(--transition);
    border: 1px solid transparent;
}
.why-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-subtle);
}
.why-num {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent);
    opacity: 0.2;
    margin-bottom: 12px;
    line-height: 1;
}
.why-card h3 {
    font-size: 1rem;
    margin-bottom: 8px;
}
.why-card p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ============================================
   WHO WE HELP
   ============================================ */
.who-help {
    padding: 100px 0;
    background: var(--bg-white);
}
.who-help-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: 960px;
    margin: 0 auto 48px;
}
.who-help-card {
    padding: 40px 32px;
    border-radius: var(--radius);
    border: 1px solid var(--border-light);
    background: var(--bg);
    text-align: center;
    transition: var(--transition);
}
.who-help-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}
.who-help-icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
}
.who-help-card h3 {
    font-size: 1.15rem;
    margin-bottom: 10px;
}
.who-help-card p {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.7;
}
.who-help-quote {
    max-width: 780px;
    margin: 0 auto;
    padding: 32px 40px;
    background: var(--accent-subtle);
    border-radius: var(--radius);
    border-left: 4px solid var(--accent);
    position: relative;
}
.who-help-quote blockquote {
    font-size: 1.05rem;
    font-style: italic;
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ============================================
   ABOUT
   ============================================ */
.about {
    padding: 120px 0;
    background: var(--bg-white);
}
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 80px;
    align-items: center;
}
.about-visual { position: relative; }
.about-photo-wrapper {
    position: relative;
    display: inline-block;
}
.about-photo {
    width: 100%;
    max-width: 420px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}
.about-exp-badge {
    position: absolute;
    bottom: -16px;
    right: -16px;
    background: var(--accent);
    color: white;
    padding: 16px 24px;
    border-radius: var(--radius);
    text-align: center;
    box-shadow: var(--shadow-lg);
}
.exp-num {
    display: block;
    font-size: 1.8rem;
    font-weight: 700;
    line-height: 1;
}
.about-exp-badge span:last-child {
    font-size: 0.75rem;
    opacity: 0.9;
}
.about-logos {
    margin-top: 32px;
}
.about-company {
    background: var(--bg-alt);
    padding: 16px 24px;
    border-radius: var(--radius);
}
.about-company h4 {
    font-size: 0.95rem;
    margin-bottom: 2px;
}
.about-company p {
    font-size: 0.8rem;
    color: var(--text-tertiary);
}
.about-content .section-tag { margin-bottom: 12px; }
.about-content .section-title { margin-bottom: 20px; }
.about-text p {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.8;
    margin-bottom: 16px;
}
.about-stats-mini {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-top: 32px;
    padding-top: 32px;
    border-top: 1px solid var(--border-light);
}
.mini-stat-num {
    display: block;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--accent);
    line-height: 1;
}
.mini-stat-label {
    font-size: 0.75rem;
    color: var(--text-tertiary);
}

/* ============================================
   PRODUCTS (with image sliders)
   ============================================ */
.products {
    padding: 100px 0;
    background: var(--bg-alt);
}

/* Category Cards */
.prod-categories {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    max-width: 960px;
    margin: 0 auto;
}
.prod-category-card {
    background: var(--bg-white);
    border-radius: var(--radius);
    padding: 36px 24px;
    text-align: center;
    border: 1px solid var(--border-light);
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    position: relative;
    overflow: hidden;
}
.prod-category-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--accent);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}
.prod-category-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: transparent;
}
.prod-category-card:hover::after {
    transform: scaleX(1);
}
.prod-category-icon {
    font-size: 2.8rem;
    margin-bottom: 16px;
}
.prod-category-card h3 {
    font-size: 1.1rem;
    margin-bottom: 8px;
}
.prod-category-card p {
    font-size: 0.82rem;
    color: var(--text-tertiary);
    line-height: 1.6;
    margin-bottom: 16px;
}
.prod-category-cta {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--accent);
    opacity: 0;
    transform: translateY(6px);
    transition: all 0.3s ease;
    display: inline-block;
}
.prod-category-card:hover .prod-category-cta {
    opacity: 1;
    transform: translateY(0);
}

/* Product Detail View */
.prod-detail {
    max-width: 960px;
    margin: 0 auto;
}
.prod-detail-back {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 20px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    background: var(--bg-white);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    margin-bottom: 24px;
}
.prod-detail-back:hover {
    color: var(--accent);
    border-color: var(--accent);
    transform: translateX(-4px);
}
.prod-detail-title {
    font-size: 1.5rem;
    margin-bottom: 24px;
    color: var(--text-primary);
}
.prod-detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 32px;
}
.prod-detail-item {
    background: var(--bg-white);
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border-light);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}
.prod-detail-item:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}
.prod-detail-img-wrapper {
    position: relative;
    aspect-ratio: 1;
    overflow: hidden;
    background: var(--bg-alt);
}
.prod-detail-img-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}
.prod-detail-item:hover .prod-detail-img-wrapper img {
    transform: scale(1.08);
}
.prod-detail-info {
    padding: 14px 14px 16px;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.prod-detail-name {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
    line-height: 1.3;
}
.prod-detail-inquire-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    width: 100%;
    padding: 10px 16px;
    font-size: 0.82rem;
    font-weight: 600;
    color: #fff;
    background: var(--accent);
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    margin-top: auto;
}
.prod-detail-inquire-btn:hover {
    background: var(--accent-hover);
    color: #fff;
}
.prod-detail-inquire {
    text-align: center;
    padding: 40px;
    background: var(--bg-white);
    border-radius: var(--radius);
    border: 1px solid var(--border-light);
}
.prod-detail-inquire p {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 20px;
}
.prod-detail-placeholder {
    text-align: center;
    padding: 60px 40px;
    background: var(--bg-white);
    border-radius: var(--radius);
    border: 1px solid var(--border-light);
}
.prod-detail-placeholder-icon {
    font-size: 3.5rem;
    margin-bottom: 16px;
}
.prod-detail-placeholder p {
    font-size: 1.05rem;
    color: var(--text-secondary);
    margin-bottom: 24px;
    line-height: 1.7;
}
/* Text icon for "美" category */
.prod-category-icon-text {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--accent);
    background: var(--accent-subtle);
    border-radius: 16px;
    margin-bottom: 16px;
}

/* ============================================
   PROCESS (Timeline)
   ============================================ */
.process {
    padding: 100px 0;
    background: var(--bg-white);
}
.process-timeline {
    max-width: 720px;
    margin: 0 auto;
    position: relative;
    padding-left: 32px;
}
.process-timeline::before {
    content: '';
    position: absolute;
    left: 11px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border);
}
.process-step {
    display: flex;
    gap: 24px;
    margin-bottom: 32px;
    position: relative;
}
.step-dot {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--accent);
    border: 4px solid var(--bg-white);
    box-shadow: 0 0 0 2px var(--accent);
    flex-shrink: 0;
    margin-top: 4px;
    position: relative;
    z-index: 1;
}
.step-card {
    flex: 1;
    padding: 20px 24px;
    background: var(--bg);
    border-radius: var(--radius);
    border: 1px solid var(--border-light);
    transition: var(--transition);
}
.step-card:hover {
    box-shadow: var(--shadow);
    border-color: transparent;
    transform: translateX(4px);
}
.step-label {
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    color: var(--accent);
    display: block;
    margin-bottom: 6px;
}
.step-card h3 {
    font-size: 1.05rem;
    margin-bottom: 6px;
}
.step-card p {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ============================================
   WORK EXPERIENCE
   ============================================ */
.work {
    padding: 100px 0;
    background: var(--bg-white);
}
.work-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-auto-rows: 220px;
    gap: 16px;
}
.work-card {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    cursor: pointer;
}
.work-card-tall {
    grid-row: span 2;
}
.work-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: var(--transition-slow);
}
.work-img-portrait {
    object-position: center 35%;
}
.work-card:hover .work-img {
    transform: scale(1.08);
}
.work-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(transparent 50%, rgba(0,0,0,0.7));
    display: flex;
    align-items: flex-end;
    padding: 20px;
    opacity: 0;
    transition: var(--transition);
}
.work-card:hover .work-overlay {
    opacity: 1;
}
.work-overlay span {
    color: white;
    font-size: 0.9rem;
    font-weight: 500;
}

/* ============================================
   TESTIMONIALS
   ============================================ */
.testimonials {
    padding: 100px 0;
    background: var(--bg-alt);
}
.testimonials-slider {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: 1000px;
    margin: 0 auto;
}
.testimonial-card {
    background: var(--bg-white);
    padding: 32px 28px;
    border-radius: var(--radius);
    border: 1px solid var(--border-light);
    transition: var(--transition);
}
.testimonial-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}
.testimonial-stars {
    color: var(--gold);
    font-size: 0.9rem;
    margin-bottom: 16px;
    letter-spacing: 2px;
}
.testimonial-text {
    font-size: 0.92rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 20px;
    font-style: italic;
}
.testimonial-author {
    display: flex;
    align-items: center;
    gap: 12px;
}
.author-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--accent-subtle);
    color: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
    flex-shrink: 0;
}
.testimonial-author strong {
    display: block;
    font-size: 0.88rem;
}
.testimonial-author span {
    font-size: 0.75rem;
    color: var(--text-tertiary);
}

/* Feedback Screenshot Gallery */
.feedback-gallery {
    margin-top: 60px;
    text-align: center;
}
.feedback-gallery-title {
    font-size: 1.1rem;
    margin-bottom: 32px;
    color: var(--text-secondary);
    font-weight: 500;
}
.feedback-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    max-width: 860px;
    margin: 0 auto;
}
.feedback-item {
    border-radius: 12px;
    overflow: hidden;
    background: var(--bg-white);
    box-shadow: 0 2px 12px rgba(0,0,0,0.05);
    transition: all 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    position: relative;
    cursor: pointer;
    border: 1px solid var(--border-light);
}
.feedback-item:hover {
    transform: scale(1.03) translateY(-4px);
    box-shadow: 0 20px 60px rgba(0,0,0,0.12);
    z-index: 2;
}
.feedback-img {
    width: 100%;
    height: auto;
    display: block;
}
/* Spotlight first and fourth items for visual rhythm */
.feedback-item:nth-child(1),
.feedback-item:nth-child(4) {
    grid-column: span 2;
}

/* ============================================
   CTA
   ============================================ */
.cta {
    padding: 100px 0;
    background: var(--bg-white);
}
.cta-box {
    background: linear-gradient(135deg, #0d0d12 0%, #1a1a2e 100%);
    padding: 80px 48px;
    border-radius: var(--radius-xl);
    text-align: center;
    position: relative;
    overflow: hidden;
}
.cta-box::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 60%;
    height: 200%;
    background: radial-gradient(ellipse, rgba(212,67,82,0.1) 0%, transparent 70%);
    pointer-events: none;
}
.cta-content { position: relative; z-index: 1; max-width: 600px; margin: 0 auto; }
.cta-content h2 {
    color: white;
    font-size: clamp(1.6rem, 3.5vw, 2.4rem);
    margin-bottom: 16px;
}
.cta-content p {
    color: rgba(255,255,255,0.65);
    font-size: 1.05rem;
    line-height: 1.7;
    margin-bottom: 32px;
}
.cta-content .btn-primary {
    background: white;
    color: var(--text-primary);
    box-shadow: 0 4px 20px rgba(0,0,0,0.2);
}
.cta-content .btn-primary:hover {
    background: var(--accent);
    color: white;
}

/* ============================================
   CONTACT
   ============================================ */
.contact {
    padding: 100px 0;
    background: var(--bg-alt);
}
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    max-width: 960px;
    margin: 0 auto;
}
.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.contact-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    background: var(--bg-white);
    border-radius: var(--radius);
    border: 1px solid var(--border-light);
    transition: var(--transition);
}
.contact-card:hover {
    transform: translateX(6px);
    box-shadow: var(--shadow);
    border-color: transparent;
}
.contact-card:hover .contact-arrow {
    transform: translateX(4px);
    opacity: 1;
}
.contact-card-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.contact-card-wa .contact-card-icon { background: #25d36620; color: #25d366; }
.contact-card-fb .contact-card-icon { background: #1877f220; color: #1877f2; }
.contact-card-tk .contact-card-icon { background: var(--bg-dark); color: white; }
.contact-card-mail .contact-card-icon { background: var(--accent-subtle); color: var(--accent); }
.contact-card-addr .contact-card-icon { background: var(--gold-subtle); color: var(--gold); }
.contact-card-addr { cursor: default; }
.contact-card-addr p { font-size: 0.78rem; line-height: 1.5; max-width: 280px; }
.contact-card h4 {
    font-size: 0.9rem;
    margin-bottom: 2px;
}
.contact-card p {
    font-size: 0.82rem;
    color: var(--text-tertiary);
}
.contact-arrow {
    margin-left: auto;
    font-size: 1.2rem;
    color: var(--text-tertiary);
    transition: var(--transition);
    opacity: 0.5;
}

/* Contact Form */
.contact-form-wrapper {
    background: var(--bg-white);
    padding: 40px;
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-light);
}
.contact-form-wrapper h3 {
    font-size: 1.2rem;
    margin-bottom: 24px;
}
.contact-form { display: flex; flex-direction: column; gap: 20px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label {
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--text-secondary);
}
.form-group input,
.form-group textarea,
.form-group select {
    padding: 14px 16px;
    border: 1.5px solid var(--border-light);
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    background: var(--bg);
    transition: var(--transition);
    outline: none;
    color: var(--text-primary);
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-subtle);
    background: var(--bg-white);
}
.form-group textarea { resize: vertical; min-height: 100px; }

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--bg-dark);
    padding: 80px 0 24px;
    color: rgba(255,255,255,0.7);
}
.footer-main {
    display: grid;
    grid-template-columns: 1fr auto auto;
    gap: 60px;
    margin-bottom: 60px;
}
.footer-logo {
    height: 56px;
    width: auto;
    filter: brightness(0) invert(1);
    margin-bottom: 12px;
}
.footer-company {
    font-size: 0.9rem;
    font-weight: 600;
    color: white;
    margin-bottom: 4px;
}
.footer-tagline {
    font-size: 0.82rem;
    color: rgba(255,255,255,0.5);
}
.footer-nav h4,
.footer-contact h4 {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: rgba(255,255,255,0.4);
    margin-bottom: 16px;
}
.footer-nav a,
.footer-contact a {
    display: block;
    font-size: 0.88rem;
    color: rgba(255,255,255,0.7);
    transition: var(--transition);
    padding: 4px 0;
}
.footer-nav a:hover,
.footer-contact a:hover {
    color: var(--accent);
}
.footer-addr {
    font-size: 0.78rem;
    color: rgba(255,255,255,0.4);
    margin-top: 8px;
    line-height: 1.5;
    max-width: 280px;
}
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.08);
    padding-top: 24px;
    text-align: center;
}
.footer-bottom p {
    font-size: 0.78rem;
    color: rgba(255,255,255,0.35);
}

/* ============================================
   WHATSAPP FLOATING BUTTON
   ============================================ */
.whatsapp-float {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 9999;
}
.whatsapp-btn {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: #25d366;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    position: relative;
    z-index: 2;
    border: none;
    padding: 0;
}
.whatsapp-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 30px rgba(37, 211, 102, 0.5);
}
.whatsapp-btn svg {
    display: block;
}
.whatsapp-popup {
    position: absolute;
    bottom: 68px;
    right: 0;
    width: 340px;
    background: white;
    border-radius: 16px;
    box-shadow: 0 16px 64px rgba(0,0,0,0.15);
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px) scale(0.96);
    transform-origin: bottom right;
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    pointer-events: none;
}
.whatsapp-popup.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
    pointer-events: auto;
}
.whatsapp-popup-header {
    background: #075e54;
    color: white;
    padding: 18px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
}
.whatsapp-popup-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
    border: 2px solid rgba(255,255,255,0.3);
}
.whatsapp-popup-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.whatsapp-popup-header strong {
    display: block;
    font-size: 0.95rem;
    margin-bottom: 2px;
}
.whatsapp-popup-header span {
    font-size: 0.72rem;
    opacity: 0.85;
}
.whatsapp-popup-body {
    padding: 16px 20px;
    background: #e5ddd5;
    position: relative;
}
.whatsapp-popup-body::before {
    content: '';
    position: absolute;
    inset: 0;
    opacity: 0.06;
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23000000' fill-opacity='1'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.whatsapp-message {
    background: white;
    padding: 12px 16px;
    border-radius: 8px 8px 8px 0;
    font-size: 0.85rem;
    line-height: 1.5;
    color: var(--text-primary);
    box-shadow: 0 1px 4px rgba(0,0,0,0.05);
    position: relative;
    z-index: 1;
    margin-bottom: 12px;
}
.whatsapp-input {
    width: 100%;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    padding: 10px 14px;
    font-size: 0.85rem;
    font-family: inherit;
    resize: none;
    outline: none;
    transition: border-color 0.3s ease;
    background: white;
    box-sizing: border-box;
    position: relative;
    z-index: 1;
}
.whatsapp-input:focus {
    border-color: #25d366;
}
.whatsapp-popup-footer {
    padding: 14px 20px;
    border-top: 1px solid var(--border-light);
}
.whatsapp-start {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    background: #25d366;
    color: white;
    padding: 12px 24px;
    border-radius: 10px;
    font-weight: 600;
    font-size: 0.9rem;
    transition: background 0.3s ease;
    border: none;
    cursor: pointer;
    font-family: inherit;
}
.whatsapp-start:hover {
    background: #22c35e;
}

@media (max-width: 480px) {
    .whatsapp-popup {
        width: calc(100vw - 32px);
        right: -8px;
    }
}
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.fade-up.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   CURSOR (desktop only)
   ============================================ */
@media (hover: hover) {
    .cursor { position: fixed; pointer-events: none; z-index: 9999; }
    .cursor-dot {
        width: 8px; height: 8px;
        background: var(--accent);
        border-radius: 50%;
        transform: translate(-50%, -50%);
        transition: none;
    }
    .cursor-ring {
        width: 36px; height: 36px;
        border: 1.5px solid var(--accent);
        border-radius: 50%;
        transform: translate(-50%, -50%);
        transition: width 0.3s, height 0.3s, opacity 0.3s, background 0.3s;
        opacity: 0.5;
    }
    .cursor-ring.hover {
        width: 56px; height: 56px;
        opacity: 0.15;
        background: var(--accent);
    }
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }
    .hero-text { order: 1; }
    .hero-visual { order: 0; }
    .hero-desc { margin: 0 auto 32px; }
    .hero-actions { justify-content: center; }
    .hero-collage { max-width: 340px; margin: 0 auto; }

    .services-duo { grid-template-columns: 1fr; }
    .why-grid { grid-template-columns: repeat(3, 1fr); }
    .who-help-grid { grid-template-columns: repeat(3, 1fr); }
    .about-grid { grid-template-columns: 1fr; gap: 40px; }
    .about-visual { text-align: center; }
    .about-photo { margin: 0 auto; }

    .prod-categories { grid-template-columns: repeat(2, 1fr); }
    .process-steps { grid-template-columns: repeat(2, 1fr); }
    .testimonials-slider { grid-template-columns: 1fr; }
    .feedback-grid { grid-template-columns: repeat(2, 1fr); }
    .contact-grid { grid-template-columns: 1fr; }
    .footer-main { grid-template-columns: 1fr; gap: 32px; text-align: center; }
    .footer-nav a, .footer-contact a { text-align: center; }
}

@media (max-width: 768px) {
    :root { --nav-height: 64px; }
    .nav-links { display: none; }
    .nav-actions .btn-sm { display: none; }
    .menu-toggle { display: flex; }
    .mobile-menu { display: flex; }

    .hero { padding: calc(var(--nav-height) + 24px) 0 60px; }
    .hero-collage { max-width: 280px; margin: 0 auto; gap: 10px; }

    .why-grid { grid-template-columns: repeat(2, 1fr); }
    .who-help-grid { grid-template-columns: 1fr; }
    .who-help-quote { padding: 24px; }
    .feedback-item:nth-child(1),
    .feedback-item:nth-child(4) { grid-column: span 1; }
    .process-steps { grid-template-columns: 1fr; }
    .prod-categories { grid-template-columns: 1fr; }
    .prod-detail-grid { grid-template-columns: repeat(2, 1fr); }
    .about-stats-mini { grid-template-columns: repeat(2, 1fr); }

    .service-card-lg { padding: 32px 24px; }
    .cta-box { padding: 48px 24px; }
    .contact-form-wrapper { padding: 24px; }

    .section-head { margin-bottom: 40px; }
}

@media (max-width: 480px) {
    .why-grid { grid-template-columns: 1fr; }
    .feedback-grid { grid-template-columns: 1fr; }
    .hero-title-line { font-size: 1.8rem; }
    .hero-title-accent { font-size: 1.5rem; }
}