/* ========================================
   ZENITH 泽昵思 — 官网样式
   设计理念：高端暗色 · 金色点缀 · 科技感
   ======================================== */

/* CSS Reset & Variables */
:root {
    --bg-primary: #0A0E1A;
    --bg-secondary: #0F1422;
    --bg-tertiary: #161B2E;
    --surface: rgba(255, 255, 255, 0.03);
    --surface-hover: rgba(255, 255, 255, 0.06);
    --border: rgba(255, 255, 255, 0.08);
    --border-gold: rgba(34, 211, 238, 0.25);

    --gold: #22D3EE;
    --gold-bright: #67E8F9;
    --gold-dim: #0E7490;
    --gold-mint: #5EEAD4;
    --gold-gradient: linear-gradient(135deg, #22D3EE 0%, #67E8F9 50%, #5EEAD4 100%);
    --accent-glow: rgba(34, 211, 238, 0.4);

    --text-primary: #F1F5F9;
    --text-secondary: #B4B8C5;
    --text-muted: #6B7280;
    --text-dim: #4A5061;

    --font-sans: 'Inter', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', sans-serif;
    --font-display: 'Inter', 'Noto Sans SC', sans-serif;

    --transition: cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --transition-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);

    --max-width: 1280px;
}

* {
    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-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    cursor: none;
}

@media (max-width: 768px) {
    body { cursor: auto; }
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 40px;
}

@media (max-width: 768px) {
    .container { padding: 0 20px; }
}

/* Custom Cursor */
.cursor-dot, .cursor-ring {
    position: fixed;
    border-radius: 50%;
    pointer-events: none;
    z-index: 9999;
    transition: transform 0.15s var(--transition), opacity 0.3s, width 0.3s, height 0.3s;
    mix-blend-mode: difference;
}

.cursor-dot {
    width: 6px;
    height: 6px;
    background: var(--gold-bright);
}

.cursor-ring {
    width: 36px;
    height: 36px;
    border: 1px solid rgba(201, 169, 97, 0.4);
    transition: transform 0.25s var(--transition), width 0.3s, height 0.3s, border-color 0.3s;
}

.cursor-ring.hover {
    width: 60px;
    height: 60px;
    border-color: rgba(201, 169, 97, 0.6);
    background: rgba(201, 169, 97, 0.05);
}

@media (max-width: 768px) {
    .cursor-dot, .cursor-ring { display: none; }
}

/* Scroll Progress */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 2px;
    background: var(--gold-gradient);
    z-index: 10000;
    transition: width 0.1s;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 24px 0;
    transition: all 0.4s var(--transition);
    background: transparent;
}

.navbar.scrolled {
    padding: 16px 0;
    background: rgba(10, 14, 26, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
}

.nav-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

@media (max-width: 768px) {
    .nav-container { padding: 0 20px; }
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
}

.logo-mark {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gold-gradient);
    color: var(--bg-primary);
    font-weight: 900;
    font-size: 22px;
    border-radius: 8px;
    transition: transform 0.3s var(--transition);
}

.nav-logo:hover .logo-mark {
    transform: rotate(-8deg) scale(1.05);
}

/* Logo Image (used in nav and footer) */
.logo-image {
    height: 44px;
    width: auto;
    display: block;
    border-radius: 6px;
    transition: all 0.3s var(--transition);
    background: transparent;
}

.nav-logo:hover .logo-image {
    transform: scale(1.04);
    filter: drop-shadow(0 4px 20px rgba(34, 211, 238, 0.3));
}

.footer-logo-img {
    height: 48px;
    background: rgba(255, 255, 255, 0.05);
    padding: 6px 12px;
    border-radius: 8px;
    border: 1px solid var(--border);
}

.logo-text {
    font-weight: 800;
    font-size: 20px;
    letter-spacing: 2px;
    color: var(--text-primary);
    display: flex;
    flex-direction: column;
    line-height: 1;
}

.logo-sub {
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 4px;
    color: var(--text-muted);
    margin-top: 2px;
}

.nav-menu {
    display: flex;
    gap: 36px;
    align-items: center;
}

.nav-link {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
    transition: color 0.3s;
    padding: 4px 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--gold);
    transition: width 0.3s var(--transition);
}

.nav-link:hover, .nav-link.active {
    color: var(--text-primary);
}

.nav-link:hover::after, .nav-link.active::after {
    width: 100%;
}

.nav-cta {
    display: flex;
    align-items: center;
}

.btn-nav-cta {
    padding: 10px 24px;
    background: transparent;
    border: 1px solid var(--border-gold);
    color: var(--gold);
    font-size: 13px;
    font-weight: 600;
    border-radius: 6px;
    transition: all 0.3s var(--transition);
    cursor: pointer;
}

.btn-nav-cta:hover {
    background: var(--gold);
    color: var(--bg-primary);
    border-color: var(--gold);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: all 0.3s var(--transition);
    border-radius: 2px;
}

.nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 1024px) {
    .nav-menu, .nav-cta { display: none; }
    .nav-toggle { display: flex; }
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    right: 0;
    width: 100%;
    height: 100vh;
    background: var(--bg-primary);
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
    transform: translateX(100%);
    transition: transform 0.5s var(--transition);
}

.mobile-menu.open {
    transform: translateX(0);
}

.mobile-menu-inner {
    display: flex;
    flex-direction: column;
    gap: 32px;
    text-align: center;
}

.mobile-link {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
    transition: color 0.3s;
}

.mobile-link:hover { color: var(--gold); }

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: var(--bg-primary);
}

.hero-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-watermark {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(-8deg);
    width: 70%;
    max-width: 700px;
    opacity: 0.04;
    filter: invert(1) brightness(1.5);
    z-index: 2;
    pointer-events: none;
    animation: watermarkFloat 12s ease-in-out infinite;
}

@keyframes watermarkFloat {
    0%, 100% { transform: translate(-50%, -50%) rotate(-8deg) scale(1); }
    50% { transform: translate(-50%, -50%) rotate(-8deg) scale(1.05); }
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(ellipse at center, transparent 0%, rgba(10, 14, 26, 0.4) 50%, var(--bg-primary) 100%);
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    padding: 0 20px;
    max-width: 900px;
}

.hero-badge {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-bottom: 40px;
    font-size: 12px;
    letter-spacing: 4px;
    color: var(--gold);
    font-weight: 500;
    text-transform: uppercase;
}

.badge-line {
    width: 40px;
    height: 1px;
    background: var(--gold);
    opacity: 0.5;
}

.hero-title {
    font-size: clamp(60px, 12vw, 160px);
    font-weight: 900;
    line-height: 0.9;
    letter-spacing: -2px;
    margin-bottom: 8px;
}

.title-line {
    display: block;
    background: var(--gold-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: shimmer 3s ease-in-out infinite;
}

.title-cn {
    font-size: clamp(28px, 5vw, 60px);
    font-weight: 700;
    letter-spacing: 8px;
    margin-top: 4px;
    background: linear-gradient(180deg, #F1F5F9 0%, #94A3B8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: none;
}

@keyframes shimmer {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.hero-tagline {
    font-size: clamp(16px, 2.5vw, 24px);
    font-weight: 400;
    color: var(--text-secondary);
    letter-spacing: 2px;
    margin-top: 24px;
}

.hero-subtitle {
    font-size: clamp(14px, 1.8vw, 18px);
    color: var(--text-muted);
    margin-top: 20px;
    line-height: 1.8;
}

.hero-en {
    font-size: 13px;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--gold-dim);
}

.hero-cta {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-top: 48px;
    flex-wrap: wrap;
}

.btn-primary, .btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 36px;
    font-size: 15px;
    font-weight: 600;
    border-radius: 8px;
    transition: all 0.3s var(--transition);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gold-gradient);
    color: var(--bg-primary);
    border: 1px solid var(--gold);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.5s;
}

.btn-primary:hover::before { left: 100%; }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 30px rgba(201, 169, 97, 0.3); }

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    border-color: var(--gold);
    color: var(--gold);
    background: rgba(201, 169, 97, 0.05);
}

.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.hero-scroll span {
    font-size: 10px;
    letter-spacing: 3px;
    color: var(--text-muted);
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(180deg, var(--gold), transparent);
    animation: scrollDown 2s ease-in-out infinite;
}

@keyframes scrollDown {
    0% { transform: scaleY(0); transform-origin: top; }
    50% { transform: scaleY(1); transform-origin: top; }
    51% { transform: scaleY(1); transform-origin: bottom; }
    100% { transform: scaleY(0); transform-origin: bottom; }
}

/* Section Common */
section {
    padding: 120px 0;
    position: relative;
}

@media (max-width: 768px) {
    section { padding: 80px 0; }
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-label {
    display: inline-block;
    font-size: 12px;
    letter-spacing: 4px;
    color: var(--gold);
    font-weight: 600;
    text-transform: uppercase;
    margin-bottom: 16px;
    position: relative;
    padding: 0 24px;
}

.section-label::before, .section-label::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 16px;
    height: 1px;
    background: var(--gold);
    opacity: 0.4;
}

.section-label::before { left: 0; }
.section-label::after { right: 0; }

.section-title {
    font-size: clamp(32px, 5vw, 52px);
    font-weight: 800;
    letter-spacing: -1px;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.section-desc {
    font-size: 16px;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
}

/* About Section */
.about {
    background: var(--bg-primary);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

@media (max-width: 1024px) {
    .about-grid { grid-template-columns: 1fr; gap: 60px; }
}

.about-lead {
    font-size: 24px;
    font-weight: 600;
    line-height: 1.5;
    color: var(--text-primary);
    margin-bottom: 24px;
}

.gold {
    color: var(--gold);
    font-weight: 700;
}

.about-body {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 16px;
}

.about-values {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 40px;
}

@media (max-width: 768px) {
    .about-values { grid-template-columns: 1fr; }
}

.value-item {
    text-align: center;
}

.value-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--surface);
    border: 1px solid var(--border-gold);
    border-radius: 16px;
    color: var(--gold);
    transition: all 0.3s var(--transition);
}

.value-item:hover .value-icon {
    background: rgba(201, 169, 97, 0.1);
    transform: translateY(-4px);
}

.value-item h4 {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.value-item p {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.5;
}

/* About Visual Card */
.about-visual {
    position: relative;
}

.about-card {
    background: linear-gradient(135deg, var(--bg-secondary), var(--bg-tertiary));
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 48px;
    position: relative;
    overflow: hidden;
}

.card-glow {
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(201, 169, 97, 0.08) 0%, transparent 50%);
    animation: glowRotate 10s linear infinite;
}

@keyframes glowRotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.about-stat {
    position: relative;
    z-index: 1;
    padding: 20px 0;
    border-bottom: 1px solid var(--border);
}

.about-stat:last-child { border-bottom: none; }

.stat-number {
    font-size: 48px;
    font-weight: 900;
    background: var(--gold-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -1px;
}

.stat-suffix {
    font-size: 32px;
    font-weight: 700;
    color: var(--gold);
    margin-left: 4px;
}

.stat-label {
    display: block;
    font-size: 14px;
    color: var(--text-secondary);
    margin-top: 4px;
}

.highlight-stat {
    text-align: left;
    padding: 24px;
    background: rgba(201, 169, 97, 0.05);
    border-radius: 12px;
    border: 1px solid var(--border-gold);
    margin-top: 8px;
}

.stat-label-big {
    display: block;
    font-size: 18px;
    font-weight: 700;
    color: var(--gold);
    margin-bottom: 4px;
}

.stat-desc {
    font-size: 13px;
    color: var(--text-muted);
}

/* Expertise Section */
.expertise {
    background: var(--bg-secondary);
    position: relative;
}

.expertise::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-gold), transparent);
}

.expertise-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

@media (max-width: 1024px) {
    .expertise-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
    .expertise-grid { grid-template-columns: 1fr; }
}

.expertise-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 36px;
    position: relative;
    overflow: hidden;
    transition: all 0.4s var(--transition);
}

.expertise-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--gold-gradient);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s var(--transition);
}

.expertise-card:hover {
    border-color: var(--border-gold);
    background: var(--surface-hover);
    transform: translateY(-4px);
}

.expertise-card:hover::before { transform: scaleX(1); }

.card-number {
    position: absolute;
    top: 24px;
    right: 24px;
    font-size: 48px;
    font-weight: 900;
    color: rgba(255, 255, 255, 0.04);
    line-height: 1;
}

.card-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(201, 169, 97, 0.08);
    border: 1px solid var(--border-gold);
    border-radius: 14px;
    color: var(--gold);
    margin-bottom: 24px;
    transition: all 0.3s var(--transition);
}

.expertise-card:hover .card-icon {
    background: var(--gold);
    color: var(--bg-primary);
    transform: scale(1.05);
}

.card-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.card-en {
    font-size: 12px;
    letter-spacing: 2px;
    color: var(--gold-dim);
    font-weight: 600;
    margin-bottom: 20px;
}

.card-list {
    margin-bottom: 24px;
}

.card-list li {
    font-size: 13px;
    color: var(--text-secondary);
    padding: 6px 0;
    padding-left: 16px;
    position: relative;
    line-height: 1.6;
}

.card-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 13px;
    width: 6px;
    height: 1px;
    background: var(--gold);
}

.card-value {
    padding-top: 20px;
    border-top: 1px solid var(--border);
}

.card-value span {
    font-size: 11px;
    letter-spacing: 2px;
    color: var(--gold);
    font-weight: 600;
    text-transform: uppercase;
}

.card-value p {
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 8px;
    line-height: 1.6;
}

/* Extra expertise card */
.expertise-extra {
    background: linear-gradient(135deg, rgba(201, 169, 97, 0.05), rgba(201, 169, 97, 0.02));
    border-color: var(--border-gold);
}

.card-extra-label {
    font-size: 11px;
    letter-spacing: 3px;
    color: var(--gold);
    font-weight: 600;
    margin-bottom: 16px;
}

.extra-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 20px 0;
}

.tag {
    padding: 8px 16px;
    background: rgba(201, 169, 97, 0.08);
    border: 1px solid var(--border-gold);
    border-radius: 20px;
    font-size: 12px;
    color: var(--text-secondary);
    transition: all 0.3s;
}

.tag:hover {
    background: var(--gold);
    color: var(--bg-primary);
}

.card-extra-desc {
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
}

/* Process Section */
.process {
    background: var(--bg-primary);
    position: relative;
}

.process-timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.process-line {
    position: absolute;
    left: 40px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--gold), var(--border) 80%, transparent);
}

@media (max-width: 768px) {
    .process-line { left: 20px; }
}

.process-step {
    display: flex;
    gap: 40px;
    margin-bottom: 60px;
    position: relative;
}

@media (max-width: 768px) {
    .process-step { gap: 20px; }
}

.step-number {
    flex-shrink: 0;
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-primary);
    border: 2px solid var(--gold);
    border-radius: 50%;
    font-size: 24px;
    font-weight: 900;
    color: var(--gold);
    position: relative;
    z-index: 1;
    transition: all 0.3s var(--transition);
}

@media (max-width: 768px) {
    .step-number { width: 40px; height: 40px; font-size: 14px; border-width: 1px; }
}

.process-step:hover .step-number {
    background: var(--gold);
    color: var(--bg-primary);
    box-shadow: 0 0 30px rgba(201, 169, 97, 0.3);
}

.step-content {
    flex: 1;
    padding-top: 16px;
}

.step-content h3 {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.step-content > p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 16px;
}

.step-sub {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 12px;
}

.step-sub span {
    font-size: 12px;
    color: var(--text-muted);
    padding: 6px 14px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 16px;
}

/* Standards Section */
.standards {
    background: var(--bg-secondary);
}

.standards-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

@media (max-width: 1024px) {
    .standards-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
    .standards-grid { grid-template-columns: 1fr; }
}

.standard-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 36px 28px;
    text-align: center;
    transition: all 0.3s var(--transition);
    position: relative;
    overflow: hidden;
}

.standard-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--gold-gradient);
    transform: scaleX(0);
    transform-origin: center;
    transition: transform 0.4s var(--transition);
}

.standard-card:hover {
    border-color: var(--border-gold);
    transform: translateY(-4px);
    background: var(--surface-hover);
}

.standard-card:hover::after { transform: scaleX(1); }

.standard-metric {
    font-size: 56px;
    font-weight: 900;
    background: var(--gold-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 16px;
    letter-spacing: -2px;
}

.standard-metric .unit {
    font-size: 20px;
    font-weight: 600;
    margin-left: 4px;
}

.standard-desc {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 16px;
}

.standard-tag {
    display: inline-block;
    font-size: 11px;
    letter-spacing: 1px;
    color: var(--gold-dim);
    padding: 4px 12px;
    background: rgba(201, 169, 97, 0.08);
    border-radius: 12px;
    font-weight: 600;
}

/* Success Cases Section */
.cases {
    background: var(--bg-secondary);
    position: relative;
    overflow: hidden;
}

.cases::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-gold), transparent);
}

.cases::after {
    content: '';
    position: absolute;
    top: -30%;
    right: -10%;
    width: 50%;
    height: 60%;
    background: radial-gradient(circle, rgba(34, 211, 238, 0.05) 0%, transparent 60%);
    pointer-events: none;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    position: relative;
    z-index: 1;
}

@media (max-width: 1024px) {
    .cases-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
    .cases-grid { grid-template-columns: 1fr; }
}

.case-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 28px;
    transition: all 0.4s var(--transition);
    position: relative;
    overflow: hidden;
}

.case-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(34, 211, 238, 0.06) 0%, transparent 50%);
    opacity: 0;
    transition: opacity 0.4s;
}

.case-card:hover {
    border-color: var(--border-gold);
    background: var(--surface-hover);
    transform: translateY(-4px);
}

.case-card:hover::before {
    opacity: 1;
}

.case-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    position: relative;
    z-index: 1;
}

.case-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(34, 211, 238, 0.08);
    border: 1px solid var(--border-gold);
    border-radius: 12px;
    color: var(--gold);
    transition: all 0.3s var(--transition);
}

.case-card:hover .case-icon {
    background: var(--gold);
    color: var(--bg-primary);
    transform: scale(1.05);
}

.case-tag {
    font-size: 11px;
    letter-spacing: 1px;
    color: var(--gold);
    font-weight: 600;
    padding: 5px 12px;
    background: rgba(34, 211, 238, 0.08);
    border: 1px solid var(--border-gold);
    border-radius: 12px;
    text-transform: uppercase;
}

.case-position {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 6px;
    position: relative;
    z-index: 1;
    line-height: 1.4;
}

.case-company {
    font-size: 13px;
    color: var(--gold);
    font-weight: 600;
    margin-bottom: 16px;
    position: relative;
    z-index: 1;
}

.case-desc {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 20px;
    position: relative;
    z-index: 1;
}

.case-meta {
    display: flex;
    gap: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
    position: relative;
    z-index: 1;
}

.case-meta-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: var(--text-muted);
}

.case-meta-item svg {
    opacity: 0.6;
}

/* Team Section */
.team {
    background: var(--bg-primary);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
}

@media (max-width: 1280px) {
    .team-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
    .team-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
    .team-grid { grid-template-columns: 1fr; }
}

.team-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 32px 24px;
    text-align: center;
    transition: all 0.4s var(--transition);
    position: relative;
    overflow: hidden;
}

.team-card:hover {
    border-color: var(--border-gold);
    transform: translateY(-6px);
    background: var(--surface-hover);
}

.team-avatar {
    width: 120px;
    height: 120px;
    margin: 0 auto 20px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.avatar-ring {
    position: absolute;
    inset: -3px;
    border-radius: 50%;
    border: 2px solid transparent;
    background: linear-gradient(135deg, var(--gold), var(--gold-bright), transparent) border-box;
    -webkit-mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    animation: ringRotate 6s linear infinite;
    transition: inset 0.4s var(--transition);
}

.team-card:hover .avatar-ring {
    inset: -5px;
}

@keyframes ringRotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.avatar-inner {
    width: 108px;
    height: 108px;
    border-radius: 50%;
    overflow: hidden;
    border: 2px solid var(--border-gold);
    background: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.4s var(--transition);
}

.team-card:hover .avatar-inner {
    transform: scale(1.05);
}

.avatar-inner img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
}

.team-name {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.team-role {
    font-size: 13px;
    color: var(--gold);
    font-weight: 600;
    margin-bottom: 8px;
}

.team-focus {
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
    line-height: 1.5;
}

.team-cases {
    display: flex;
    flex-direction: column;
    gap: 8px;
    text-align: left;
}

.team-cases span {
    font-size: 11px;
    color: var(--text-muted);
    line-height: 1.5;
    padding-left: 12px;
    position: relative;
}

.team-cases span::before {
    content: '';
    position: absolute;
    left: 0;
    top: 7px;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--gold-dim);
}

/* Contact Section */
.contact {
    background: var(--bg-secondary);
    position: relative;
    overflow: hidden;
}

.contact::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -10%;
    width: 60%;
    height: 100%;
    background: radial-gradient(circle, rgba(201, 169, 97, 0.06) 0%, transparent 60%);
    pointer-events: none;
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    position: relative;
}

@media (max-width: 1024px) {
    .contact-wrapper { grid-template-columns: 1fr; gap: 60px; }
}

.contact-title {
    font-size: clamp(32px, 4vw, 44px);
    font-weight: 800;
    line-height: 1.3;
    color: var(--text-primary);
    margin: 16px 0 12px;
}

.contact-en {
    font-size: 14px;
    letter-spacing: 3px;
    color: var(--gold-dim);
    text-transform: uppercase;
    margin-bottom: 40px;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: 20px;
    transition: transform 0.3s var(--transition);
}

.contact-method:hover { transform: translateX(8px); }

.method-icon {
    width: 48px;
    height: 48px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--surface);
    border: 1px solid var(--border-gold);
    border-radius: 12px;
    color: var(--gold);
    transition: all 0.3s var(--transition);
}

.contact-method:hover .method-icon {
    background: var(--gold);
    color: var(--bg-primary);
}

.method-label {
    display: block;
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 2px;
}

.method-value {
    display: block;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
}

/* Contact Form */
.contact-form-wrapper {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 48px;
    position: relative;
    overflow: hidden;
}

@media (max-width: 768px) {
    .contact-form-wrapper { padding: 32px 24px; }
}

.contact-form-wrapper::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--gold-gradient);
}

.form-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.form-subtitle {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 32px;
}

.form-group {
    position: relative;
    margin-bottom: 28px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 16px 0;
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--border);
    color: var(--text-primary);
    font-size: 15px;
    font-family: var(--font-sans);
    outline: none;
    transition: border-color 0.3s;
}

.form-group select {
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
}

.form-group select option {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.form-group textarea {
    resize: vertical;
    min-height: 60px;
}

.form-group label {
    position: absolute;
    left: 0;
    top: 16px;
    font-size: 15px;
    color: var(--text-muted);
    pointer-events: none;
    transition: all 0.3s var(--transition);
}

.form-group input:focus + label,
.form-group input:not(:placeholder-shown) + label,
.form-group select:focus + label,
.form-group select:valid + label,
.form-group textarea:focus + label,
.form-group textarea:not(:placeholder-shown) + label {
    top: -8px;
    font-size: 12px;
    color: var(--gold);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--gold);
}

.btn-form-submit {
    width: 100%;
    padding: 16px;
    background: var(--gold-gradient);
    color: var(--bg-primary);
    border: none;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: all 0.3s var(--transition);
    position: relative;
    overflow: hidden;
}

.btn-form-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(201, 169, 97, 0.3);
}

.form-success {
    display: none;
    margin-top: 16px;
    padding: 14px;
    background: rgba(201, 169, 97, 0.1);
    border: 1px solid var(--border-gold);
    border-radius: 8px;
    color: var(--gold);
    font-size: 14px;
    text-align: center;
}

.form-success.show { display: block; }

/* Footer */
.footer {
    background: var(--bg-primary);
    padding: 80px 0 40px;
    border-top: 1px solid var(--border);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

@media (max-width: 1024px) {
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
}

@media (max-width: 640px) {
    .footer-grid { grid-template-columns: 1fr; }
}

.footer-brand .nav-logo { margin-bottom: 20px; }

.footer-tagline {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 8px;
}

.footer-en {
    font-size: 12px;
    color: var(--gold-dim);
    letter-spacing: 2px;
}

.footer-col h4 {
    font-size: 14px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 20px;
}

.footer-col a, .footer-col span {
    display: block;
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 12px;
    transition: color 0.3s;
}

.footer-col a:hover { color: var(--gold); }

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 32px;
    border-top: 1px solid var(--border);
}

@media (max-width: 640px) {
    .footer-bottom { flex-direction: column; gap: 12px; }
}

.footer-bottom p {
    font-size: 12px;
    color: var(--text-dim);
}

/* Reveal Animations */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s var(--transition), transform 0.8s var(--transition);
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Selection */
::selection {
    background: var(--gold);
    color: var(--bg-primary);
}

/* Scrollbar */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--bg-tertiary); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--gold-dim); }