* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --accent: #f59e0b;
    --accent-light: #fbbf24;
    --dark: #0f172a;
    --text: #1e293b;
    --text-secondary: #64748b;
    --bg: #ffffff;
    --bg-alt: #f8fafc;
    --border: #e2e8f0;
    --radius: 20px;
    --radius-sm: 12px;
    --shadow-sm: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
    --shadow: 0 4px 6px -1px rgba(0,0,0,.07), 0 2px 4px -2px rgba(0,0,0,.05);
    --shadow-lg: 0 20px 40px -8px rgba(0,0,0,.12);
    --shadow-xl: 0 25px 50px -12px rgba(0,0,0,.25);
    --transition: .4s cubic-bezier(.4,0,.2,1);
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-accent: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-blue: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

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

body {
    font-family: 'Inter', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    line-height: 1.7;
    color: var(--text);
    background: var(--bg);
    overflow-x: hidden;
    font-size: 16px;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 32px;
}

/* ===== Background Animation ===== */
.bg-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.bg-shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: .4;
    animation: float 20s infinite ease-in-out;
}

.shape-1 {
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    top: -100px;
    right: -100px;
    animation-delay: 0s;
}

.shape-2 {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, #f093fb, #f5576c);
    bottom: 10%;
    left: -50px;
    animation-delay: -5s;
}

.shape-3 {
    width: 250px;
    height: 250px;
    background: linear-gradient(135deg, #4facfe, #00f2fe);
    top: 40%;
    right: 10%;
    animation-delay: -10s;
}

.shape-4 {
    width: 200px;
    height: 200px;
    background: linear-gradient(135deg, #fa709a, #fee140);
    bottom: 20%;
    right: 20%;
    animation-delay: -15s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -30px) scale(1.1); }
    66% { transform: translate(-20px, 20px) scale(.9); }
}

/* ===== Navbar ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255,255,255,.7);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255,255,255,.3);
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(255,255,255,.95);
    border-bottom-color: var(--border);
    box-shadow: 0 4px 30px rgba(0,0,0,.08);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 14px;
    text-decoration: none;
    color: var(--text);
}

.logo-wrapper {
    position: relative;
    width: 44px;
    height: 44px;
}

.logo-img {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    object-fit: contain;
    position: relative;
    z-index: 2;
}

.logo-glow {
    position: absolute;
    inset: -4px;
    background: var(--gradient-primary);
    border-radius: 16px;
    opacity: 0;
    filter: blur(8px);
    transition: var(--transition);
    z-index: 1;
}

.nav-brand:hover .logo-glow {
    opacity: .6;
}

.brand-text {
    font-size: 1.25rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 8px;
    list-style: none;
}

.nav-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-size: .95rem;
    font-weight: 500;
    padding: 10px 18px;
    border-radius: 10px;
    transition: var(--transition);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 6px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    border-radius: 2px;
    transition: var(--transition);
}

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

.nav-link:hover::after,
.nav-link.active::after {
    width: 20px;
}

.nav-cta {
    background: var(--gradient-primary) !important;
    color: #fff !important;
    padding: 12px 28px !important;
    border-radius: 12px !important;
    font-weight: 600 !important;
    box-shadow: 0 4px 15px rgba(99,102,241,.3);
    transition: var(--transition);
}

.nav-cta::after {
    display: none;
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(99,102,241,.4);
}

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

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: var(--transition);
}

/* ===== Hero ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    padding-top: 80px;
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #1e1b4b 0%, #312e81 25%, #4338ca 50%, #6366f1 75%, #818cf8 100%);
    z-index: 0;
}

.hero-gradient::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at 30% 20%, rgba(129,140,248,.3) 0%, transparent 50%),
                radial-gradient(ellipse at 70% 80%, rgba(245,158,11,.15) 0%, transparent 50%);
}

.hero-particles {
    position: absolute;
    inset: 0;
    z-index: 1;
    overflow: hidden;
}

.particle {
    position: absolute;
    border-radius: 50%;
    background: rgba(255,255,255,.1);
    animation: particleFloat 15s infinite ease-in-out;
}

.particle-1 {
    width: 80px;
    height: 80px;
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.particle-2 {
    width: 60px;
    height: 60px;
    top: 60%;
    right: 15%;
    animation-delay: -3s;
}

.particle-3 {
    width: 100px;
    height: 100px;
    bottom: 20%;
    left: 20%;
    animation-delay: -6s;
}

.particle-4 {
    width: 40px;
    height: 40px;
    top: 30%;
    right: 30%;
    animation-delay: -9s;
}

.particle-5 {
    width: 70px;
    height: 70px;
    top: 70%;
    left: 60%;
    animation-delay: -12s;
}

.particle-6 {
    width: 50px;
    height: 50px;
    top: 10%;
    right: 10%;
    animation-delay: -15s;
}

@keyframes particleFloat {
    0%, 100% { transform: translate(0, 0) rotate(0deg); opacity: .3; }
    25% { transform: translate(20px, -30px) rotate(90deg); opacity: .6; }
    50% { transform: translate(-10px, -50px) rotate(180deg); opacity: .4; }
    75% { transform: translate(30px, -20px) rotate(270deg); opacity: .5; }
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    padding: 80px 0;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(255,255,255,.1);
    border: 1px solid rgba(255,255,255,.2);
    color: rgba(255,255,255,.95);
    padding: 10px 24px;
    border-radius: 50px;
    font-size: .9rem;
    font-weight: 500;
    margin-bottom: 32px;
    backdrop-filter: blur(10px);
    animation: fadeInUp .8s ease;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: #10b981;
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: .5; transform: scale(1.2); }
}

.hero-title {
    margin-bottom: 28px;
    animation: fadeInUp .8s ease .1s both;
}

.title-line {
    display: block;
    font-size: 4rem;
    font-weight: 800;
    color: #fff;
    line-height: 1.15;
    letter-spacing: -1px;
}

.highlight-line {
    margin-top: 8px;
}

.highlight {
    background: linear-gradient(135deg, #fbbf24, #f59e0b, #f093fb);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
}

.hero-desc {
    font-size: 1.25rem;
    color: rgba(255,255,255,.8);
    line-height: 1.8;
    margin-bottom: 40px;
    max-width: 620px;
    animation: fadeInUp .8s ease .2s both;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 48px;
    animation: fadeInUp .8s ease .3s both;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 36px;
    border-radius: 14px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255,255,255,.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width .6s, height .6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: var(--gradient-primary);
    color: #fff;
    box-shadow: 0 8px 25px rgba(99,102,241,.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(99,102,241,.5);
}

.btn-glass {
    background: rgba(255,255,255,.1);
    color: #fff;
    border: 1.5px solid rgba(255,255,255,.3);
    backdrop-filter: blur(10px);
}

.btn-glass:hover {
    background: rgba(255,255,255,.2);
    border-color: rgba(255,255,255,.5);
    transform: translateY(-3px);
}

.btn-block {
    width: 100%;
    justify-content: center;
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: 32px;
    animation: fadeInUp .8s ease .4s both;
}

.hero-stat {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.hero-stat-number {
    font-size: 2rem;
    font-weight: 800;
    color: #fff;
    line-height: 1;
}

.hero-stat-label {
    font-size: .85rem;
    color: rgba(255,255,255,.6);
    font-weight: 500;
}

.hero-stat-divider {
    width: 1px;
    height: 40px;
    background: rgba(255,255,255,.2);
}

.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    color: rgba(255,255,255,.5);
    font-size: .85rem;
    animation: fadeInUp .8s ease .5s both;
}

.scroll-indicator {
    width: 28px;
    height: 44px;
    border: 2px solid rgba(255,255,255,.3);
    border-radius: 14px;
    display: flex;
    justify-content: center;
    padding-top: 8px;
}

.scroll-dot {
    width: 4px;
    height: 8px;
    background: rgba(255,255,255,.6);
    border-radius: 2px;
    animation: scrollDown 2s infinite;
}

@keyframes scrollDown {
    0% { transform: translateY(0); opacity: 1; }
    100% { transform: translateY(12px); opacity: 0; }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== Stats Bar ===== */
.stats-bar {
    background: var(--bg);
    padding: 0;
    margin-top: -60px;
    position: relative;
    z-index: 10;
}

.stats-glass {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    background: rgba(255,255,255,.9);
    backdrop-filter: blur(20px);
    border-radius: var(--radius);
    box-shadow: var(--shadow-xl);
    border: 1px solid rgba(255,255,255,.5);
    overflow: hidden;
}

.stat-item {
    padding: 40px 28px;
    text-align: center;
    border-right: 1px solid var(--border);
    transition: var(--transition);
    position: relative;
}

.stat-item:last-child {
    border-right: none;
}

.stat-item:hover {
    background: rgba(99,102,241,.03);
}

.stat-icon {
    width: 56px;
    height: 56px;
    background: var(--gradient-primary);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    color: #fff;
    box-shadow: 0 4px 15px rgba(99,102,241,.3);
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 6px;
}

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

.stat-unit {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 6px;
}

.stat-desc {
    font-size: .85rem;
    color: var(--text-secondary);
}

/* ===== Section Common ===== */
.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-header h2 {
    font-size: 2.6rem;
    font-weight: 800;
    color: var(--text);
    margin-bottom: 16px;
    letter-spacing: -.5px;
    line-height: 1.2;
}

.section-header p {
    font-size: 1.15rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
}

.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(99,102,241,.08);
    color: var(--primary);
    padding: 8px 20px;
    border-radius: 50px;
    font-size: .9rem;
    font-weight: 600;
    margin-bottom: 20px;
    border: 1px solid rgba(99,102,241,.15);
}

.tag-icon {
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ===== Products ===== */
.products {
    padding: 120px 0;
    background: var(--bg-alt);
    position: relative;
}

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

.product-showcase {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

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

.card-glow {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: var(--transition);
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: transparent;
}

.product-card:hover .card-glow {
    opacity: 1;
}

.product-card.featured {
    border-color: var(--primary-light);
    box-shadow: 0 8px 30px rgba(99,102,241,.15);
}

.product-card.featured .card-glow {
    opacity: 1;
    height: 4px;
}

.card-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: linear-gradient(135deg, #fbbf24, #f59e0b);
    color: #fff;
    padding: 6px 14px;
    border-radius: 50px;
    font-size: .8rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 4px;
    box-shadow: 0 4px 12px rgba(245,158,11,.3);
}

.card-icon-wrapper {
    margin-bottom: 28px;
}

.card-icon {
    width: 72px;
    height: 72px;
    background: var(--gradient-primary);
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    box-shadow: 0 8px 20px rgba(99,102,241,.3);
    transition: var(--transition);
}

.product-card:hover .card-icon {
    transform: scale(1.1) rotate(-5deg);
}

.product-card h3 {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 14px;
}

.card-desc {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 24px;
    line-height: 1.7;
}

.feature-list {
    list-style: none;
    margin-bottom: 28px;
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 0;
    font-size: .95rem;
    color: var(--text);
}

.feature-list li svg {
    color: var(--primary);
    flex-shrink: 0;
}

.card-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary);
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    transition: var(--transition);
}

.card-link:hover {
    gap: 12px;
}

.card-link svg {
    transition: var(--transition);
}

/* ===== Advantages ===== */
.advantages {
    padding: 120px 0;
    background: linear-gradient(135deg, #f8fafc 0%, #eef2ff 50%, #faf5ff 100%);
    position: relative;
    overflow: hidden;
}

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

.adv-gradient {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: .5;
}

.adv-gradient-1 {
    width: 500px;
    height: 500px;
    background: linear-gradient(135deg, #c7d2fe, #a5b4fc);
    top: -100px;
    right: -100px;
}

.adv-gradient-2 {
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, #fbcfe8, #f9a8d4);
    bottom: -100px;
    left: -100px;
}

.adv-gradient-3 {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, #bae6fd, #7dd3fc);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    position: relative;
    z-index: 1;
}

.advantage-card {
    background: rgba(255,255,255,.8);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,.5);
    border-radius: var(--radius);
    padding: 40px 32px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.advantage-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-primary);
    opacity: 0;
    transition: var(--transition);
    z-index: 0;
}

.advantage-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
}

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

.advantage-card:hover .adv-icon {
    background: rgba(255,255,255,.2);
}

.advantage-card:hover h3,
.advantage-card:hover p,
.advantage-card:hover .adv-number {
    color: #fff;
}

.adv-icon-wrapper {
    position: relative;
    z-index: 1;
    margin-bottom: 24px;
}

.adv-icon {
    width: 64px;
    height: 64px;
    background: var(--gradient-primary);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    box-shadow: 0 8px 20px rgba(99,102,241,.3);
    transition: var(--transition);
}

.advantage-card h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 12px;
    position: relative;
    z-index: 1;
    transition: var(--transition);
}

.advantage-card p {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.7;
    position: relative;
    z-index: 1;
    transition: var(--transition);
}

.adv-number {
    position: absolute;
    top: 20px;
    right: 24px;
    font-size: 3rem;
    font-weight: 800;
    color: rgba(99,102,241,.08);
    line-height: 1;
    transition: var(--transition);
    z-index: 1;
}

/* ===== About ===== */
.about {
    padding: 120px 0;
    background: var(--bg);
}

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

.about-content .section-tag {
    margin-bottom: 16px;
}

.about-content h2 {
    font-size: 2.4rem;
    font-weight: 800;
    color: var(--text);
    margin-bottom: 16px;
    line-height: 1.2;
}

.about-lead {
    font-size: 1.2rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 600;
    margin-bottom: 24px;
}

.about-content p {
    font-size: 1.05rem;
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.8;
}

.about-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 32px;
}

.about-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(99,102,241,.06);
    border: 1px solid rgba(99,102,241,.15);
    padding: 10px 20px;
    border-radius: 50px;
    font-size: .95rem;
    color: var(--primary);
    font-weight: 500;
    transition: var(--transition);
}

.about-tag:hover {
    background: rgba(99,102,241,.1);
    transform: translateY(-2px);
}

.about-visual {
    display: flex;
    justify-content: center;
}

.visual-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    max-width: 480px;
}

.visual-card {
    background: var(--bg-alt);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px 24px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.visual-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.visual-card.accent {
    background: var(--gradient-primary);
    border-color: transparent;
}

.visual-card.accent .visual-number,
.visual-card.accent .visual-label {
    color: #fff;
}

.visual-card.accent .visual-bar {
    background: rgba(255,255,255,.2);
}

.visual-card.accent .visual-bar-fill {
    background: #fff;
}

.visual-card.large {
    grid-column: span 2;
    background: var(--gradient-primary);
    border-color: transparent;
    padding: 36px 28px;
    position: relative;
    overflow: hidden;
}

.visual-card.large .visual-number,
.visual-card.large .visual-label {
    color: #fff;
}

.visual-number {
    font-size: 2.4rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 8px;
}

.visual-label {
    font-size: .9rem;
    color: var(--text-secondary);
    font-weight: 500;
    margin-bottom: 16px;
}

.visual-bar {
    height: 4px;
    background: var(--border);
    border-radius: 2px;
    overflow: hidden;
}

.visual-bar-fill {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 2px;
    transition: width 1s ease;
}

.visual-big-number {
    font-size: 3.5rem;
    font-weight: 800;
    color: #fff;
    line-height: 1;
    margin-bottom: 8px;
}

.visual-suffix {
    font-size: 1.5rem;
    font-weight: 600;
    opacity: .8;
}

.visual-big-label {
    font-size: 1.1rem;
    color: rgba(255,255,255,.8);
    font-weight: 500;
}

.visual-decoration {
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.deco-circle {
    position: absolute;
    border-radius: 50%;
    background: rgba(255,255,255,.1);
}

.deco-1 {
    width: 100px;
    height: 100px;
    top: -30px;
    right: -30px;
}

.deco-2 {
    width: 60px;
    height: 60px;
    bottom: -20px;
    right: 40px;
}

.deco-3 {
    width: 40px;
    height: 40px;
    top: 20px;
    right: 80px;
}

/* ===== Contact ===== */
.contact {
    padding: 120px 0;
    background: linear-gradient(135deg, #f8fafc 0%, #eef2ff 100%);
    position: relative;
    overflow: hidden;
}

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

.contact-gradient {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: .4;
}

.contact-gradient-1 {
    width: 500px;
    height: 500px;
    background: linear-gradient(135deg, #c7d2fe, #a5b4fc);
    top: -100px;
    left: -100px;
}

.contact-gradient-2 {
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, #fbcfe8, #f9a8d4);
    bottom: -100px;
    right: -100px;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: start;
    position: relative;
    z-index: 1;
}

.contact-left .section-tag {
    margin-bottom: 16px;
}

.contact-left h2 {
    font-size: 2.4rem;
    font-weight: 800;
    color: var(--text);
    margin-bottom: 16px;
    line-height: 1.2;
}

.contact-left > p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    line-height: 1.7;
}

.contact-items {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.contact-row {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.contact-icon-wrap {
    width: 52px;
    height: 52px;
    background: var(--gradient-primary);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    flex-shrink: 0;
    box-shadow: 0 4px 15px rgba(99,102,241,.3);
}

.contact-row h4 {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 4px;
}

.contact-row p {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.contact-right {
    position: relative;
}

.contact-form-wrapper {
    background: rgba(255,255,255,.9);
    backdrop-filter: blur(20px);
    border-radius: var(--radius);
    padding: 48px;
    box-shadow: var(--shadow-xl);
    border: 1px solid rgba(255,255,255,.5);
}

.form-header {
    margin-bottom: 32px;
}

.contact-form h3 {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 8px;
}

.form-desc {
    color: var(--text-secondary);
    font-size: 1rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    margin-bottom: 24px;
    position: relative;
}

.form-group label {
    display: block;
    font-size: .95rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 8px;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-family: inherit;
    color: var(--text);
    transition: var(--transition);
    background: #fff;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(99,102,241,.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #94a3b8;
}

.input-focus {
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition);
}

.form-group input:focus ~ .input-focus,
.form-group textarea:focus ~ .input-focus,
.form-group select:focus ~ .input-focus {
    width: 100%;
}

/* ===== Footer ===== */
.footer {
    background: var(--dark);
    color: #fff;
    padding: 80px 0 0;
    position: relative;
    overflow: hidden;
}

.footer-bg {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 30% 0%, rgba(99,102,241,.15) 0%, transparent 50%);
}

.footer-top {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 64px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255,255,255,.08);
    position: relative;
    z-index: 1;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 16px;
}

.footer-logo .logo-img {
    width: 40px;
    height: 40px;
}

.footer-logo span {
    font-size: 1.2rem;
    font-weight: 700;
}

.footer-brand p {
    color: rgba(255,255,255,.6);
    font-size: 1rem;
    margin-bottom: 24px;
}

.footer-social {
    display: flex;
    gap: 12px;
}

.social-link {
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,.1);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255,255,255,.7);
    transition: var(--transition);
}

.social-link:hover {
    background: var(--gradient-primary);
    color: #fff;
    transform: translateY(-3px);
}

.footer-links-group {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.footer-col h4 {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: rgba(255,255,255,.9);
}

.footer-col ul {
    list-style: none;
}

.footer-col li {
    margin-bottom: 12px;
    font-size: .95rem;
    color: rgba(255,255,255,.6);
    line-height: 1.6;
}

.footer-col a {
    color: rgba(255,255,255,.6);
    text-decoration: none;
    transition: var(--transition);
}

.footer-col a:hover {
    color: #fff;
}

.footer-bottom {
    padding: 28px 0;
    text-align: center;
    font-size: .9rem;
    color: rgba(255,255,255,.4);
    position: relative;
    z-index: 1;
}

.footer-bottom p {
    margin-bottom: 6px;
}

/* ===== Back to Top ===== */
.back-to-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 52px;
    height: 52px;
    background: var(--gradient-primary);
    color: #fff;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    box-shadow: 0 8px 25px rgba(99,102,241,.4);
    opacity: 0;
    visibility: hidden;
    transform: translateY(12px);
    transition: var(--transition);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 35px rgba(99,102,241,.5);
}

/* ===== Animations ===== */
.fade-up {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity .8s ease, transform .8s ease;
}

.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .product-showcase {
        grid-template-columns: repeat(2, 1fr);
    }
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .about-grid {
        gap: 48px;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }
    .nav-toggle {
        display: flex;
    }
    .nav-menu {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background: rgba(255,255,255,.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 24px;
        gap: 4px;
        box-shadow: var(--shadow-lg);
        transform: translateY(-120%);
        transition: var(--transition);
        border-bottom: 1px solid var(--border);
    }
    .nav-menu.active {
        transform: translateY(0);
    }
    .nav-link {
        display: block;
        padding: 14px 16px;
        font-size: 1rem;
    }
    .nav-link::after {
        display: none;
    }
    .nav-cta {
        text-align: center;
        margin-top: 8px;
    }
    .title-line {
        font-size: 2.6rem;
    }
    .hero-desc {
        font-size: 1.1rem;
    }
    .hero-stats {
        gap: 20px;
    }
    .hero-stat-number {
        font-size: 1.6rem;
    }
    .stats-glass {
        grid-template-columns: repeat(2, 1fr);
    }
    .stat-item:nth-child(2) {
        border-right: none;
    }
    .stat-item {
        padding: 28px 20px;
    }
    .stat-number {
        font-size: 2.4rem;
    }
    .section-header h2 {
        font-size: 2rem;
    }
    .product-showcase,
    .advantages-grid {
        grid-template-columns: 1fr;
    }
    .about-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    .visual-grid {
        max-width: 100%;
    }
    .footer-top {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .footer-links-group {
        grid-template-columns: repeat(2, 1fr);
    }
    .contact-form-wrapper {
        padding: 32px 24px;
    }
    .form-row {
        grid-template-columns: 1fr;
    }
    .hero-scroll {
        display: none;
    }
}

@media (max-width: 480px) {
    .title-line {
        font-size: 2rem;
    }
    .hero-buttons {
        flex-direction: column;
    }
    .btn {
        justify-content: center;
        width: 100%;
    }
    .stats-glass {
        grid-template-columns: 1fr;
    }
    .stat-item {
        border-right: none;
        border-bottom: 1px solid var(--border);
    }
    .stat-item:last-child {
        border-bottom: none;
    }
    .visual-grid {
        grid-template-columns: 1fr;
    }
    .visual-card.large {
        grid-column: span 1;
    }
    .footer-links-group {
        grid-template-columns: 1fr;
    }
}