/* ============================================
   LELIO 官网 - 核心样式表
   简约大气 · 亚克力质感 · 响应式设计
   ============================================ */

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

:root {
    /* Colors */
    --c-primary: #1B4965;
    --c-primary-light: #2D7DD2;
    --c-primary-lighter: #62B6CB;
    --c-accent: #06B6D4;
    --c-dark: #0F172A;
    --c-text: #1E293B;
    --c-text-light: #64748B;
    --c-text-muted: #94A3B8;
    --c-bg: #FFFFFF;
    --c-bg-alt: #F0F5FA;
    --c-bg-soft: #F8FAFC;
    --c-border: #E2E8F0;
    --c-white: #FFFFFF;

    /* Gradients */
    --gradient-hero: linear-gradient(135deg, #0F172A 0%, #1B4965 50%, #2D7DD2 100%);
    --gradient-accent: linear-gradient(135deg, #3B82F6 0%, #06B6D4 100%);
    --gradient-glass: linear-gradient(135deg, rgba(255,255,255,0.25) 0%, rgba(255,255,255,0.08) 100%);
    --gradient-card: linear-gradient(180deg, rgba(255,255,255,0.9) 0%, rgba(248,250,252,0.9) 100%);

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 48px rgba(0, 0, 0, 0.12);
    --shadow-glow: 0 0 24px rgba(6, 182, 212, 0.15);

    /* Radius */
    --r-sm: 8px;
    --r-md: 12px;
    --r-lg: 20px;
    --r-xl: 28px;
    --r-full: 9999px;

    /* Transitions */
    --t-fast: 0.2s ease;
    --t-base: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    --t-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);

    /* Layout */
    --max-width: 1200px;
    --header-h: 72px;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Noto Sans SC', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--c-text);
    background: var(--c-bg);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

img {
    max-width: 100%;
    height: auto;
    display: block;
}

ul {
    list-style: none;
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
    color: var(--c-dark);
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.5rem); }
h4 { font-size: 1.125rem; }

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

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

.section {
    padding: 96px 0;
}

.section-sm {
    padding: 64px 0;
}

.bg-alt {
    background: var(--c-bg-alt);
}

.bg-soft {
    background: var(--c-bg-soft);
}

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

/* ===== Section Header ===== */
.section-header {
    text-align: center;
    max-width: 680px;
    margin: 0 auto 56px;
}

.section-header .label {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--c-accent);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 12px;
}

.section-header h2 {
    margin-bottom: 16px;
}

.section-header p {
    color: var(--c-text-light);
    font-size: 1.05rem;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 32px;
    font-size: 1rem;
    font-weight: 600;
    font-family: inherit;
    border: none;
    border-radius: var(--r-full);
    cursor: pointer;
    transition: var(--t-base);
    white-space: nowrap;
}

.btn-primary {
    background: var(--gradient-accent);
    color: white;
    box-shadow: 0 4px 16px rgba(6, 182, 212, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(6, 182, 212, 0.4);
}

.btn-outline {
    background: transparent;
    color: var(--c-primary);
    border: 2px solid var(--c-primary);
}

.btn-outline:hover {
    background: var(--c-primary);
    color: white;
    transform: translateY(-2px);
}

.btn-white {
    background: white;
    color: var(--c-primary);
    box-shadow: var(--shadow-md);
}

.btn-white:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-lg {
    padding: 16px 40px;
    font-size: 1.05rem;
}

/* ===== Header ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-h);
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--c-border);
    z-index: 1000;
    transition: var(--t-base);
}

.header.scrolled {
    box-shadow: var(--shadow-md);
}

.header .container {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.375rem;
    font-weight: 800;
    color: var(--c-primary);
    letter-spacing: -0.02em;
}

.logo-icon {
    width: 36px;
    height: 36px;
    background: var(--gradient-accent);
    border-radius: var(--r-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.1rem;
    box-shadow: 0 4px 12px rgba(6, 182, 212, 0.3);
}

.nav {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav a {
    padding: 8px 16px;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--c-text);
    border-radius: var(--r-full);
    transition: var(--t-fast);
    position: relative;
}

.nav a:hover {
    color: var(--c-primary);
    background: var(--c-bg-alt);
}

.nav a.active {
    color: var(--c-primary);
    background: var(--c-bg-alt);
    font-weight: 600;
}

.nav-cta {
    margin-left: 16px;
    padding: 10px 24px !important;
    background: var(--gradient-accent) !important;
    color: white !important;
    border-radius: var(--r-full);
    font-weight: 600;
}

.nav-cta:hover {
    transform: translateY(-1px);
    background: var(--gradient-accent) !important;
    color: white !important;
    box-shadow: 0 4px 16px rgba(6, 182, 212, 0.3);
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 8px;
    background: none;
    border: none;
}

.menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--c-dark);
    border-radius: 2px;
    transition: var(--t-base);
}

.menu-toggle.open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

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

.menu-toggle.open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ===== Hero Section ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    background: var(--gradient-hero);
    padding-top: var(--header-h);
}

.hero::before {
    content: '';
    position: absolute;
    top: -20%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(6, 182, 212, 0.2) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -20%;
    left: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(45, 125, 210, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.hero .container {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.hero-content {
    color: white;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 18px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--r-full);
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 24px;
    color: rgba(255, 255, 255, 0.9);
}

.hero-badge::before {
    content: '';
    width: 8px;
    height: 8px;
    background: var(--c-accent);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--c-accent);
}

.hero h1 {
    color: white;
    margin-bottom: 20px;
    line-height: 1.15;
}

.hero h1 .highlight {
    background: linear-gradient(135deg, #06B6D4 0%, #62B6CB 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-desc {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.75);
    margin-bottom: 36px;
    max-width: 480px;
    line-height: 1.8;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    gap: 40px;
    margin-top: 56px;
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.hero-stat .num {
    font-size: 2rem;
    font-weight: 800;
    color: white;
    line-height: 1;
}

.hero-stat .label {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
    margin-top: 4px;
}

/* Hero Visual */
.hero-visual {
    position: relative;
    height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-image-card {
    width: 360px;
    height: 460px;
    border-radius: var(--r-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: white;
}

.hero-image-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.glass-card {
    position: absolute;
    border-radius: var(--r-lg);
    overflow: hidden;
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    box-shadow: var(--shadow-xl);
}

.glass-card-1 {
    top: 0;
    right: 0;
    width: 320px;
    height: 400px;
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.3) 0%, rgba(27, 73, 101, 0.3) 100%);
}

.glass-card-2 {
    bottom: 20px;
    left: 0;
    width: 240px;
    height: 200px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.15) 0%, rgba(6, 182, 212, 0.1) 100%);
}

.glass-card-3 {
    top: 50%;
    right: 40%;
    width: 160px;
    height: 160px;
    background: linear-gradient(135deg, rgba(98, 182, 203, 0.25) 0%, rgba(45, 125, 210, 0.15) 100%);
    border-radius: 50%;
}

.glass-card-content {
    position: absolute;
    bottom: 24px;
    left: 24px;
    right: 24px;
    color: white;
}

.glass-card-content .tag {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.7);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.glass-card-content .title {
    font-size: 1.125rem;
    font-weight: 700;
    margin-top: 4px;
}

/* ===== Page Banner (inner pages) ===== */
.page-banner {
    background: var(--gradient-hero);
    padding: calc(var(--header-h) + 80px) 0 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-banner::before {
    content: '';
    position: absolute;
    top: -30%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(6, 182, 212, 0.15) 0%, transparent 70%);
    border-radius: 50%;
}

.page-banner h1 {
    color: white;
    margin-bottom: 16px;
    position: relative;
    z-index: 2;
}

.page-banner .breadcrumb {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.95rem;
    position: relative;
    z-index: 2;
}

.page-banner .breadcrumb a:hover {
    color: white;
}

.page-banner .breadcrumb span {
    margin: 0 8px;
}

/* ===== Feature Cards ===== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 28px;
}

.feature-card {
    padding: 40px 32px;
    background: white;
    border: 1px solid var(--c-border);
    border-radius: var(--r-lg);
    transition: var(--t-base);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--t-base);
}

.feature-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

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

.feature-icon {
    width: 56px;
    height: 56px;
    background: var(--c-bg-alt);
    border-radius: var(--r-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    color: var(--c-primary);
    transition: var(--t-base);
}

.feature-card:hover .feature-icon {
    background: var(--gradient-accent);
    color: white;
}

.feature-icon svg {
    width: 28px;
    height: 28px;
}

.feature-card h3 {
    margin-bottom: 12px;
    font-size: 1.25rem;
}

.feature-card p {
    color: var(--c-text-light);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* ===== Product Grid ===== */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 32px;
}

.product-card {
    background: white;
    border-radius: var(--r-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--t-base);
    cursor: pointer;
}

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

.product-img {
    width: 100%;
    height: 260px;
    background: var(--c-bg-alt);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-img .placeholder-icon {
    width: 64px;
    height: 64px;
    color: var(--c-primary-lighter);
    opacity: 0.6;
    transition: var(--t-base);
}

.product-card:hover .placeholder-icon {
    transform: scale(1.1);
    opacity: 1;
    color: var(--c-accent);
}

.product-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--t-base);
}

.product-card:hover .product-img img {
    transform: scale(1.05);
}
.product-tag {
    position: absolute;
    top: 16px;
    left: 16px;
    padding: 6px 14px;
    background: rgba(27, 73, 101, 0.9);
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--r-full);
    backdrop-filter: blur(8px);
}

.product-info {
    padding: 24px;
}

.product-info h3 {
    font-size: 1.125rem;
    margin-bottom: 8px;
}

.product-info p {
    color: var(--c-text-light);
    font-size: 0.9rem;
    margin-bottom: 16px;
}

.product-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--c-primary);
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--t-fast);
}

.product-link:hover {
    gap: 10px;
    color: var(--c-accent);
}

/* ===== About Section ===== */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.about-visual {
    position: relative;
    height: 480px;
    border-radius: var(--r-xl);
    overflow: hidden;
    background: linear-gradient(135deg, #1B4965 0%, #2D7DD2 50%, #62B6CB 100%);
}

.about-visual::before {
    content: '';
    position: absolute;
    top: 30%;
    left: 20%;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.2) 0%, transparent 70%);
    border-radius: 50%;
}

.about-visual::after {
    content: '';
    position: absolute;
    bottom: 20%;
    right: 15%;
    width: 150px;
    height: 150px;
    background: radial-gradient(circle, rgba(6, 182, 212, 0.3) 0%, transparent 70%);
    border-radius: 50%;
}

.about-visual .glass-overlay {
    position: absolute;
    bottom: 32px;
    left: 32px;
    right: 32px;
    padding: 24px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--r-md);
    color: white;
}

.about-visual .glass-overlay .year {
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1;
}

.about-visual .glass-overlay .desc {
    font-size: 0.875rem;
    margin-top: 8px;
    color: rgba(255, 255, 255, 0.8);
}

.about-content h2 {
    margin-bottom: 20px;
}

.about-content > p {
    color: var(--c-text-light);
    font-size: 1.05rem;
    margin-bottom: 24px;
    line-height: 1.8;
}

.about-list {
    display: grid;
    gap: 20px;
    margin-bottom: 32px;
}

.about-list-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.about-list-item .check {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    background: var(--c-bg-alt);
    border-radius: var(--r-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--c-accent);
}

.about-list-item .check svg {
    width: 16px;
    height: 16px;
}

.about-list-item .text h4 {
    font-size: 1rem;
    margin-bottom: 4px;
}

.about-list-item .text p {
    font-size: 0.875rem;
    color: var(--c-text-light);
}

/* ===== Timeline ===== */
.timeline {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--c-primary-lighter), var(--c-border));
    transform: translateX(-50%);
}

.timeline-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 48px;
    position: relative;
}

.timeline-item:nth-child(odd) {
    flex-direction: row-reverse;
    text-align: right;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-dot {
    position: absolute;
    left: 50%;
    top: 6px;
    width: 16px;
    height: 16px;
    background: white;
    border: 3px solid var(--c-accent);
    border-radius: 50%;
    transform: translateX(-50%);
    z-index: 2;
    box-shadow: 0 0 0 4px rgba(6, 182, 212, 0.1);
}

.timeline-content {
    width: calc(50% - 32px);
    padding: 24px;
    background: white;
    border: 1px solid var(--c-border);
    border-radius: var(--r-md);
    transition: var(--t-base);
}

.timeline-content:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--c-accent);
}

.timeline-content .year {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--c-accent);
    margin-bottom: 4px;
}

.timeline-content h4 {
    margin-bottom: 8px;
}

.timeline-content p {
    font-size: 0.9rem;
    color: var(--c-text-light);
}

/* ===== Values Grid ===== */
.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 24px;
}

.value-card {
    text-align: center;
    padding: 36px 24px;
    background: white;
    border: 1px solid var(--c-border);
    border-radius: var(--r-lg);
    transition: var(--t-base);
}

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

.value-card .value-num {
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 12px;
}

.value-card h4 {
    margin-bottom: 8px;
}

.value-card p {
    font-size: 0.875rem;
    color: var(--c-text-light);
}

/* ===== Stats Section ===== */
.stats-section {
    background: var(--gradient-hero);
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.stats-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(6, 182, 212, 0.15) 0%, transparent 70%);
    border-radius: 50%;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 32px;
    position: relative;
    z-index: 2;
}

.stat-item {
    text-align: center;
    color: white;
}

.stat-item .num {
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(135deg, #FFFFFF 0%, #62B6CB 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.stat-item .label {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.7);
    margin-top: 8px;
}

/* ===== CTA Section ===== */
.cta-section {
    background: var(--gradient-accent);
    padding: 72px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -30%;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 400px;
    background: radial-gradient(ellipse, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
}

.cta-section h2 {
    color: white;
    margin-bottom: 16px;
    position: relative;
    z-index: 2;
}

.cta-section p {
    color: rgba(255, 255, 255, 0.85);
    font-size: 1.1rem;
    margin-bottom: 32px;
    position: relative;
    z-index: 2;
}

.cta-section .btn {
    position: relative;
    z-index: 2;
}

/* ===== Contact Section ===== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 48px;
    align-items: start;
}

.contact-info {
    display: grid;
    gap: 24px;
}

.contact-card {
    display: flex;
    gap: 20px;
    padding: 28px;
    background: white;
    border: 1px solid var(--c-border);
    border-radius: var(--r-lg);
    transition: var(--t-base);
}

.contact-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.contact-card .icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    background: var(--c-bg-alt);
    border-radius: var(--r-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--c-primary);
}

.contact-card .icon svg {
    width: 24px;
    height: 24px;
}

.contact-card .info h4 {
    margin-bottom: 4px;
    font-size: 1rem;
}

.contact-card .info p {
    color: var(--c-text-light);
    font-size: 0.9rem;
}

.contact-card .info a {
    color: var(--c-primary);
    font-weight: 500;
    transition: var(--t-fast);
}

.contact-card .info a:hover {
    color: var(--c-accent);
}

/* Contact Form */
.contact-form {
    padding: 40px;
    background: white;
    border: 1px solid var(--c-border);
    border-radius: var(--r-xl);
    box-shadow: var(--shadow-md);
}

.contact-form h3 {
    margin-bottom: 8px;
}

.contact-form .form-desc {
    color: var(--c-text-light);
    font-size: 0.9rem;
    margin-bottom: 28px;
}

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

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--c-text);
    margin-bottom: 8px;
}

.form-group label .required {
    color: #EF4444;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    font-size: 0.95rem;
    font-family: inherit;
    color: var(--c-text);
    background: var(--c-bg-soft);
    border: 1.5px solid var(--c-border);
    border-radius: var(--r-sm);
    transition: var(--t-fast);
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--c-accent);
    background: white;
    box-shadow: 0 0 0 4px rgba(6, 182, 212, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-submit {
    width: 100%;
    margin-top: 8px;
}

.form-success {
    display: none;
    padding: 16px 20px;
    background: rgba(6, 182, 212, 0.1);
    border: 1px solid rgba(6, 182, 212, 0.3);
    border-radius: var(--r-sm);
    color: var(--c-primary);
    font-size: 0.9rem;
    margin-bottom: 20px;
}

.form-success.show {
    display: block;
    animation: fadeInDown 0.4s ease;
}

/* ===== Footer ===== */
.footer {
    background: var(--c-dark);
    color: rgba(255, 255, 255, 0.7);
    padding: 72px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 56px;
}

.footer-brand .logo {
    color: white;
    margin-bottom: 16px;
}

.footer-brand p {
    font-size: 0.9rem;
    line-height: 1.7;
    max-width: 320px;
}

.footer-col h5 {
    color: white;
    font-size: 1rem;
    margin-bottom: 20px;
    font-weight: 600;
}

.footer-col ul li {
    margin-bottom: 12px;
}

.footer-col ul li a {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
    transition: var(--t-fast);
}

.footer-col ul li a:hover {
    color: var(--c-accent);
    padding-left: 4px;
}

.footer-social {
    display: flex;
    gap: 12px;
    margin-top: 20px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: var(--r-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.6);
    transition: var(--t-base);
}

.footer-social a:hover {
    background: var(--c-accent);
    color: white;
    transform: translateY(-2px);
}

.footer-social a svg {
    width: 20px;
    height: 20px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 28px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.5);
}

.footer-bottom a {
    color: rgba(255, 255, 255, 0.5);
    transition: var(--t-fast);
}

.footer-bottom a:hover {
    color: var(--c-accent);
}

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

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-12px);
    }
}

.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.glass-card-1 {
    animation: float 6s ease-in-out infinite;
}

.glass-card-2 {
    animation: float 6s ease-in-out infinite 1s;
}

.glass-card-3 {
    animation: float 5s ease-in-out infinite 2s;
}

/* ===== Responsive ===== */
@media (max-width: 968px) {
    .hero .container {
        grid-template-columns: 1fr;
    }

    .hero-visual {
        display: none;
    }

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

    .about-visual {
        height: 360px;
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 36px;
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }

    .nav {
        position: fixed;
        top: var(--header-h);
        left: 0;
        right: 0;
        flex-direction: column;
        background: white;
        padding: 16px;
        gap: 0;
        box-shadow: var(--shadow-lg);
        transform: translateY(-100%);
        opacity: 0;
        pointer-events: none;
        transition: var(--t-base);
        border-bottom: 1px solid var(--c-border);
    }

    .nav.open {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
    }

    .nav a {
        width: 100%;
        padding: 14px 16px;
        border-radius: var(--r-sm);
    }

    .nav-cta {
        margin: 8px 0 0;
        width: 100%;
        text-align: center;
    }

    .section {
        padding: 64px 0;
    }

    .hero-stats {
        gap: 24px;
        flex-wrap: wrap;
    }

    .hero-stat .num {
        font-size: 1.5rem;
    }

    .timeline::before {
        left: 20px;
    }

    .timeline-item,
    .timeline-item:nth-child(odd) {
        flex-direction: row;
        text-align: left;
    }

    .timeline-dot {
        left: 20px;
    }

    .timeline-content {
        width: calc(100% - 48px);
        margin-left: 48px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .hero h1 {
        font-size: 1.75rem;
    }

    .hero-desc {
        font-size: 1rem;
    }

    .hero-actions {
        flex-direction: column;
    }

    .hero-actions .btn {
        width: 100%;
    }

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