/* ============================================
   OPENVERSE.CC - Dark Tech Theme Styles
   ============================================ */

/* CSS Variables */
:root {
    --primary: #6C5CE7;
    --secondary: #00D2FF;
    --bg-dark: #0a0a1a;
    --bg-card: #12122a;
    --bg-card-hover: #1a1a3a;
    --text-primary: #ffffff;
    --text-secondary: #a0a0c0;
    --text-muted: #6060a0;
    --gradient: linear-gradient(135deg, #6C5CE7, #00D2FF);
    --gradient-reverse: linear-gradient(135deg, #00D2FF, #6C5CE7);
    --glow-purple: rgba(108, 92, 231, 0.3);
    --glow-cyan: rgba(0, 210, 255, 0.3);
    --border-subtle: rgba(255, 255, 255, 0.06);
    --border-card: rgba(255, 255, 255, 0.08);
    --radius: 12px;
    --radius-lg: 20px;
    --font-en: 'Inter', sans-serif;
    --font-cn: 'Noto Sans SC', 'Inter', sans-serif;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Base */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-cn);
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ============================================
   Navigation
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(10, 10, 26, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-subtle);
    padding: 10px 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-size: 24px;
    font-weight: 800;
    font-family: var(--font-en);
    letter-spacing: 2px;
}

.logo-open {
    color: var(--text-primary);
}

.logo-verse {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    gap: 32px;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient);
    transition: var(--transition);
}

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

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.lang-toggle {
    background: none;
    border: 1px solid var(--border-card);
    border-radius: 20px;
    padding: 6px 14px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 13px;
    transition: var(--transition);
    color: var(--text-secondary);
}

.lang-toggle:hover {
    border-color: var(--primary);
}

.lang-zh.active, .lang-en.active {
    color: var(--text-primary);
    font-weight: 600;
}

.lang-divider {
    color: var(--text-muted);
}

.nav-cta {
    background: var(--gradient);
    border: none;
    color: white;
    padding: 8px 20px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font-cn);
}

.nav-cta:hover {
    opacity: 0.9;
    transform: translateY(-1px);
    box-shadow: 0 4px 20px var(--glow-purple);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-secondary);
    transition: var(--transition);
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.grid-bg {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(108, 92, 231, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(108, 92, 231, 0.05) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}

.glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.4;
}

.glow-1 {
    width: 600px;
    height: 600px;
    background: var(--primary);
    top: -200px;
    right: -100px;
    animation: float 8s ease-in-out infinite;
}

.glow-2 {
    width: 400px;
    height: 400px;
    background: var(--secondary);
    bottom: -100px;
    left: -100px;
    animation: float 10s ease-in-out infinite reverse;
}

.glow-3 {
    width: 300px;
    height: 300px;
    background: #a855f7;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: pulse 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0); }
    25% { transform: translate(30px, -30px); }
    50% { transform: translate(-20px, 20px); }
    75% { transform: translate(20px, 10px); }
}

@keyframes pulse {
    0%, 100% { opacity: 0.2; transform: translate(-50%, -50%) scale(1); }
    50% { opacity: 0.4; transform: translate(-50%, -50%) scale(1.2); }
}

.particles {
    position: absolute;
    inset: 0;
}

.particle {
    position: absolute;
    width: 3px;
    height: 3px;
    background: var(--secondary);
    border-radius: 50%;
    opacity: 0;
    animation: particleFloat 6s ease-in-out infinite;
}

@keyframes particleFloat {
    0% { opacity: 0; transform: translateY(100vh); }
    10% { opacity: 0.6; }
    90% { opacity: 0.6; }
    100% { opacity: 0; transform: translateY(-100px); }
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 0 24px;
    max-width: 900px;
}

.hero-badge {
    display: inline-block;
    padding: 8px 20px;
    border: 1px solid var(--border-card);
    border-radius: 50px;
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 32px;
    background: rgba(108, 92, 231, 0.1);
    backdrop-filter: blur(10px);
}

.hero-title {
    font-size: clamp(36px, 6vw, 72px);
    font-weight: 900;
    line-height: 1.15;
    margin-bottom: 20px;
    letter-spacing: -1px;
}

.slogan-line {
    display: block;
    background: linear-gradient(135deg, #ffffff 0%, #e0e0ff 40%, #00D2FF 70%, #6C5CE7 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    background-size: 200% 200%;
    animation: shimmer 4s ease-in-out infinite;
}

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

.hero-brand-line {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-bottom: 24px;
    font-size: clamp(16px, 2.2vw, 22px);
    font-weight: 500;
    color: var(--text-secondary);
}

.brand-prefix {
    font-family: var(--font-en);
    font-weight: 800;
    font-size: clamp(18px, 2.5vw, 26px);
    letter-spacing: 3px;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.brand-divider {
    color: var(--text-muted);
    font-weight: 300;
}

.hero-title span {
    display: block;
}

.gradient-text {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(16px, 2vw, 20px);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 40px;
    line-height: 1.8;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-bottom: 60px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-family: var(--font-cn);
}

.btn-primary {
    background: var(--gradient);
    color: white;
    box-shadow: 0 4px 20px rgba(108, 92, 231, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(108, 92, 231, 0.5);
}

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

.btn-outline:hover {
    border-color: var(--primary);
    background: rgba(108, 92, 231, 0.1);
    transform: translateY(-2px);
}

.btn-full {
    width: 100%;
}

.hero-stats {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 40px;
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 36px;
    font-weight: 800;
    font-family: var(--font-en);
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-suffix {
    font-size: 24px;
    font-weight: 700;
    font-family: var(--font-en);
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    display: block;
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 4px;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--border-card);
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: var(--gradient);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 0.3; height: 40px; }
    50% { opacity: 1; height: 60px; }
}

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

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-tag {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(108, 92, 231, 0.15);
    border: 1px solid rgba(108, 92, 231, 0.3);
    border-radius: 50px;
    font-size: 13px;
    font-weight: 600;
    color: var(--secondary);
    margin-bottom: 20px;
    letter-spacing: 1px;
}

.section-title {
    font-size: clamp(28px, 4vw, 42px);
    font-weight: 800;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.section-desc {
    font-size: 16px;
    color: var(--text-secondary);
    max-width: 560px;
    margin: 0 auto;
    line-height: 1.8;
}

/* ============================================
   Values Section
   ============================================ */
.values-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.value-card {
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.value-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient);
    opacity: 0;
    transition: var(--transition);
}

.value-card:hover {
    transform: translateY(-8px);
    border-color: rgba(108, 92, 231, 0.3);
    box-shadow: 0 20px 60px rgba(108, 92, 231, 0.15);
}

.value-card:hover::before {
    opacity: 0.05;
}

.value-card.featured {
    border-color: rgba(108, 92, 231, 0.3);
    background: linear-gradient(135deg, rgba(108, 92, 231, 0.1), rgba(0, 210, 255, 0.05));
}

.value-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 24px;
    position: relative;
    z-index: 1;
}

.value-icon svg {
    width: 100%;
    height: 100%;
}

.value-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
    position: relative;
    z-index: 1;
}

.value-desc {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.8;
    position: relative;
    z-index: 1;
}

/* ============================================
   Products Section
   ============================================ */
.products {
    background: linear-gradient(180deg, var(--bg-dark) 0%, rgba(108, 92, 231, 0.03) 50%, var(--bg-dark) 100%);
}

.product-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 80px;
}

.product-row:last-child {
    margin-bottom: 0;
}

.product-row.reverse {
    direction: rtl;
}

.product-row.reverse > * {
    direction: ltr;
}

.product-visual {
    position: relative;
}

.product-mockup {
    perspective: 1000px;
}

.mockup-screen {
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    transition: var(--transition);
}

.mockup-screen:hover {
    transform: rotateY(-5deg) rotateX(5deg);
    box-shadow: 0 30px 80px rgba(108, 92, 231, 0.2);
}

.mockup-header {
    display: flex;
    gap: 8px;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-subtle);
}

.mockup-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--border-card);
}

.mockup-dot:nth-child(1) { background: #ff5f57; }
.mockup-dot:nth-child(2) { background: #febc2e; }
.mockup-dot:nth-child(3) { background: #28c840; }

.mockup-content {
    padding: 40px;
    min-height: 280px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 3D Grid Mockup */
.mockup-grid-3d {
    width: 200px;
    height: 200px;
    position: relative;
    transform: perspective(500px) rotateX(30deg) rotateZ(-10deg);
}

.grid-floor {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: linear-gradient(180deg, transparent, rgba(108, 92, 231, 0.1));
    border: 1px solid rgba(108, 92, 231, 0.2);
    border-radius: 4px;
}

.grid-cube {
    position: absolute;
    width: 40px;
    height: 40px;
    border: 1px solid;
    border-radius: 4px;
    animation: cubeFloat 4s ease-in-out infinite;
}

.cube-1 {
    bottom: 60px;
    left: 20px;
    border-color: var(--primary);
    background: rgba(108, 92, 231, 0.2);
    animation-delay: 0s;
}

.cube-2 {
    bottom: 80px;
    left: 80px;
    border-color: var(--secondary);
    background: rgba(0, 210, 255, 0.2);
    animation-delay: 1s;
}

.cube-3 {
    bottom: 40px;
    right: 30px;
    border-color: #a855f7;
    background: rgba(168, 85, 247, 0.2);
    animation-delay: 2s;
}

@keyframes cubeFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

/* Workflow Diagram */
.workflow-diagram {
    display: flex;
    align-items: center;
    gap: 8px;
    position: relative;
    flex-wrap: wrap;
    justify-content: center;
}

.wf-node {
    width: 56px;
    height: 56px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-card);
    background: var(--bg-card);
    position: relative;
    animation: nodeGlow 3s ease-in-out infinite;
}

.wf-node-1 { animation-delay: 0s; border-color: var(--primary); }
.wf-node-2 { animation-delay: 0.5s; border-color: var(--secondary); }
.wf-node-3 { animation-delay: 1s; border-color: #a855f7; }
.wf-node-4 { animation-delay: 1.5s; border-color: var(--primary); }

@keyframes nodeGlow {
    0%, 100% { box-shadow: 0 0 0 rgba(108, 92, 231, 0); }
    50% { box-shadow: 0 0 20px rgba(108, 92, 231, 0.3); }
}

.wf-icon {
    font-size: 18px;
    font-weight: 700;
    font-family: var(--font-en);
}

.wf-line {
    width: 30px;
    height: 2px;
    background: var(--gradient);
    opacity: 0.5;
}

.wf-branch {
    position: absolute;
    bottom: -40px;
    left: 50%;
    transform: translateX(-50%);
}

.product-info {
    padding: 20px 0;
}

.product-label {
    font-size: 12px;
    font-weight: 700;
    font-family: var(--font-en);
    letter-spacing: 3px;
    color: var(--secondary);
    margin-bottom: 16px;
    display: block;
}

.product-title {
    font-size: 32px;
    font-weight: 800;
    margin-bottom: 16px;
}

.product-desc {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 24px;
}

.product-features {
    display: grid;
    gap: 12px;
}

.product-features li {
    font-size: 14px;
    color: var(--text-secondary);
    padding-left: 24px;
    position: relative;
}

.product-features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--gradient);
}

/* ============================================
   Solutions Section
   ============================================ */
.solutions {
    position: relative;
}

.solutions-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.glow-4 {
    width: 500px;
    height: 500px;
    background: var(--primary);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: pulse 8s ease-in-out infinite;
}

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

.solution-card {
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.solution-card:hover {
    transform: translateY(-8px);
    border-color: rgba(108, 92, 231, 0.3);
    box-shadow: 0 20px 60px rgba(108, 92, 231, 0.15);
}

.solution-card.featured {
    border-color: rgba(108, 92, 231, 0.4);
    background: linear-gradient(135deg, rgba(108, 92, 231, 0.1), rgba(0, 210, 255, 0.05));
}

.solution-metric {
    margin-bottom: 20px;
}

.metric-number {
    font-size: 48px;
    font-weight: 900;
    font-family: var(--font-en);
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.metric-suffix {
    font-size: 28px;
    font-weight: 700;
    font-family: var(--font-en);
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.solution-icon {
    width: 40px;
    height: 40px;
    margin-bottom: 16px;
}

.solution-icon svg {
    width: 100%;
    height: 100%;
}

.solution-title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 12px;
}

.solution-desc {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 20px;
}

.solution-points {
    display: grid;
    gap: 8px;
}

.solution-points li {
    font-size: 13px;
    color: var(--text-secondary);
    padding-left: 20px;
    position: relative;
}

.solution-points li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--secondary);
    font-weight: 700;
}

/* ============================================
   Pricing Section
   ============================================ */
.pricing {
    background: linear-gradient(180deg, var(--bg-dark) 0%, rgba(108, 92, 231, 0.03) 50%, var(--bg-dark) 100%);
}

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

.pricing-card {
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    transition: var(--transition);
    position: relative;
}

.pricing-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 60px rgba(108, 92, 231, 0.15);
}

.pricing-card.featured {
    border-color: var(--primary);
    background: linear-gradient(135deg, rgba(108, 92, 231, 0.15), rgba(0, 210, 255, 0.05));
    transform: scale(1.05);
    z-index: 1;
}

.pricing-card.featured:hover {
    transform: scale(1.05) translateY(-8px);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient);
    color: white;
    padding: 4px 20px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 700;
}

.pricing-header {
    margin-bottom: 24px;
}

.pricing-name {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 4px;
}

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

.pricing-price {
    margin-bottom: 32px;
    padding-bottom: 32px;
    border-bottom: 1px solid var(--border-subtle);
}

.price-currency {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-secondary);
    vertical-align: top;
}

.price-amount {
    font-size: 42px;
    font-weight: 900;
    font-family: var(--font-en);
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.price-period {
    font-size: 14px;
    color: var(--text-muted);
}

.price-label {
    font-size: 32px;
    font-weight: 800;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.pricing-features {
    display: grid;
    gap: 14px;
    margin-bottom: 32px;
}

.pricing-features li {
    font-size: 14px;
    color: var(--text-secondary);
    padding-left: 24px;
    position: relative;
}

.pricing-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--secondary);
    font-weight: 700;
}

.pricing-features li.disabled {
    color: var(--text-muted);
    opacity: 0.5;
}

.pricing-features li.disabled::before {
    content: '—';
    color: var(--text-muted);
}

/* ============================================
   Cases Section
   ============================================ */
.cases {
    position: relative;
}

.cases-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.glow-5 {
    width: 600px;
    height: 600px;
    background: var(--secondary);
    top: 0;
    right: -200px;
    animation: float 12s ease-in-out infinite;
}

.cases-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-bottom: 64px;
}

.case-stat {
    text-align: center;
    padding: 32px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

.case-stat:hover {
    border-color: rgba(108, 92, 231, 0.3);
    transform: translateY(-4px);
}

.case-stat-number {
    font-size: 36px;
    font-weight: 900;
    font-family: var(--font-en);
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}

.case-stat-label {
    font-size: 14px;
    color: var(--text-secondary);
}

.cases-testimonials {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.testimonial-card {
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: var(--transition);
}

.testimonial-card:hover {
    border-color: rgba(108, 92, 231, 0.3);
    transform: translateY(-4px);
}

.testimonial-content p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 24px;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.author-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 16px;
    font-family: var(--font-en);
}

.author-info {
    display: flex;
    flex-direction: column;
}

.author-name {
    font-size: 14px;
    font-weight: 600;
}

.author-role {
    font-size: 12px;
    color: var(--text-muted);
}

/* ============================================
   Contact Section
   ============================================ */
.contact {
    background: linear-gradient(180deg, var(--bg-dark) 0%, rgba(108, 92, 231, 0.05) 100%);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.contact-title {
    font-size: 32px;
    font-weight: 800;
    margin: 16px 0;
}

.contact-desc {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 32px;
}

.contact-details {
    display: grid;
    gap: 16px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    color: var(--text-secondary);
}

.contact-item svg {
    color: var(--secondary);
    flex-shrink: 0;
}

.contact-form {
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: var(--radius-lg);
    padding: 40px;
}

.form-group {
    margin-bottom: 20px;
    position: relative;
}

.form-input {
    width: 100%;
    padding: 14px 16px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-card);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-size: 15px;
    font-family: var(--font-cn);
    transition: var(--transition);
    outline: none;
}

.form-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(108, 92, 231, 0.15);
}

.form-label {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 14px;
    color: var(--text-muted);
    pointer-events: none;
    transition: var(--transition);
}

.form-input:focus + .form-label,
.form-input:not(:placeholder-shown) + .form-label,
.form-select + .form-label {
    top: -8px;
    left: 12px;
    font-size: 11px;
    background: var(--bg-card);
    padding: 0 6px;
    color: var(--secondary);
}

.form-select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%236060a0' viewBox='0 0 16 16'%3E%3Cpath d='M8 12L2 6h12z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
}

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

/* ============================================
   Footer
   ============================================ */
.footer {
    border-top: 1px solid var(--border-subtle);
    padding: 60px 0 30px;
}

.footer-top {
    display: flex;
    justify-content: space-between;
    margin-bottom: 40px;
}

.footer-tagline {
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 12px;
    font-family: var(--font-en);
}

.footer-links {
    display: flex;
    gap: 60px;
}

.footer-col {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-col h4 {
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 4px;
}

.footer-col a {
    font-size: 13px;
    color: var(--text-muted);
    transition: var(--transition);
}

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

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid var(--border-subtle);
}

.footer-bottom p {
    font-size: 13px;
    color: var(--text-muted);
    font-family: var(--font-en);
}

/* ============================================
   Animations
   ============================================ */
.animate-in {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.animate-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.animate-in:nth-child(2) { transition-delay: 0.1s; }
.animate-in:nth-child(3) { transition-delay: 0.2s; }
.animate-in:nth-child(4) { transition-delay: 0.3s; }

/* ============================================
   Mobile Responsive
   ============================================ */
@media (max-width: 1024px) {
    .values-grid,
    .solutions-grid,
    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin: 0 auto;
    }

    .product-row,
    .product-row.reverse {
        grid-template-columns: 1fr;
        direction: ltr;
        gap: 40px;
    }

    .pricing-card.featured {
        transform: none;
    }

    .pricing-card.featured:hover {
        transform: translateY(-8px);
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .cases-stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .cases-testimonials {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(10, 10, 26, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 20px 24px;
        border-bottom: 1px solid var(--border-subtle);
    }

    .nav-links.open {
        display: flex;
    }

    .nav-cta {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .mobile-menu-btn.open span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .mobile-menu-btn.open span:nth-child(2) {
        opacity: 0;
    }

    .mobile-menu-btn.open span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

    .section {
        padding: 80px 0;
    }

    .hero-stats {
        flex-direction: column;
        gap: 20px;
    }

    .stat-divider {
        width: 40px;
        height: 1px;
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

    .footer-top {
        flex-direction: column;
        gap: 40px;
    }

    .footer-links {
        gap: 30px;
        flex-wrap: wrap;
    }

    .cases-stats {
        grid-template-columns: 1fr 1fr;
        gap: 16px;
    }
}