/* ===== 渝企汇官网 - 科技生态平台风格 ===== */
/* Design: Dark hero + AI digital aesthetic + Red brand accent */

:root {
    /* Brand Colors */
    --primary: #C8102E;
    --primary-glow: rgba(200, 16, 46, 0.5);
    --primary-dark: #A00D24;
    --primary-light: #FF3551;

    /* Dark Theme */
    --bg-dark: #0A0E1A;
    --bg-dark-2: #111827;
    --bg-dark-3: #1A2035;
    --bg-card: rgba(255, 255, 255, 0.04);
    --bg-card-hover: rgba(255, 255, 255, 0.08);
    --bg-glass: rgba(255, 255, 255, 0.06);
    --bg-glass-border: rgba(255, 255, 255, 0.1);

    /* Light sections */
    --bg-white: #ffffff;
    --bg-gray: #F8F9FC;
    --bg-gray-2: #F0F2F8;

    /* Text */
    --text-bright: #ffffff;
    --text-dim: #B4BCD0;
    --text-muted: #6B7390;
    --text-dark: #0A0E1A;
    --text-dark-sub: #4A5068;
    --text-dark-muted: #8892A8;

    /* Accents */
    --accent-cyan: #00D4FF;
    --accent-purple: #7C3AED;
    --accent-green: #10B981;
    --gradient-tech: linear-gradient(135deg, #C8102E 0%, #7C3AED 50%, #00D4FF 100%);
    --gradient-dark: linear-gradient(180deg, #0A0E1A 0%, #111827 100%);
    --gradient-mesh: radial-gradient(ellipse at 20% 50%, rgba(200,16,46,0.15) 0%, transparent 50%),
                     radial-gradient(ellipse at 80% 80%, rgba(124,58,237,0.12) 0%, transparent 50%),
                     radial-gradient(ellipse at 60% 20%, rgba(0,212,255,0.08) 0%, transparent 50%);

    /* Effects */
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.15);
    --shadow-md: 0 4px 20px rgba(0,0,0,0.2);
    --shadow-lg: 0 10px 40px rgba(0,0,0,0.3);
    --shadow-glow: 0 0 30px rgba(200,16,46,0.3);
    --shadow-card: 0 4px 24px rgba(0,0,0,0.08);
    --shadow-card-hover: 0 12px 40px rgba(200,16,46,0.15);
    --radius: 16px;
    --radius-sm: 10px;
    --radius-lg: 24px;
    --max-width: 1280px;
    --transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
    color: var(--text-dark);
    background: var(--bg-white);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

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

/* ===== Navigation ===== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 14, 26, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255,255,255,0.06);
    transition: var(--transition);
}

.nav-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-bright);
    font-weight: 700;
    font-size: 18px;
    letter-spacing: 1px;
}

.nav-logo img {
    height: 36px;
    width: auto;
    filter: brightness(0) invert(1);
}

.nav-logo span {
    background: linear-gradient(90deg, #fff 0%, var(--primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
    list-style: none;
}

.nav-links a {
    color: var(--text-dim);
    font-size: 14px;
    font-weight: 500;
    position: relative;
}

.nav-links a:hover {
    color: var(--text-bright);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    border-radius: 2px;
    transition: var(--transition);
}

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

.nav-cta {
    background: var(--primary);
    color: white !important;
    padding: 8px 20px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 600;
    box-shadow: 0 0 20px rgba(200,16,46,0.3);
}

.nav-cta:hover {
    background: var(--primary-light);
    box-shadow: 0 0 30px rgba(200,16,46,0.5);
    transform: translateY(-1px);
}

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

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

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

/* ===== Hero Section ===== */
.hero {
    position: relative;
    min-height: 100vh;
    background: var(--bg-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
    padding: 80px 24px 60px;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-mesh);
    z-index: 1;
}

.hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: rgba(200,16,46,0.12);
    border: 1px solid rgba(200,16,46,0.3);
    border-radius: 100px;
    color: var(--primary-light);
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 24px;
    backdrop-filter: blur(10px);
}

.hero-badge .dot {
    width: 6px;
    height: 6px;
    background: var(--primary-light);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(255,53,81,0.4); }
    50% { opacity: 0.8; box-shadow: 0 0 0 8px rgba(255,53,81,0); }
}

.hero h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    color: var(--text-bright);
    line-height: 1.2;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

.hero h1 .highlight {
    background: linear-gradient(90deg, var(--primary-light) 0%, var(--accent-purple) 50%, var(--accent-cyan) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--text-dim);
    line-height: 1.7;
    max-width: 680px;
    margin: 0 auto 36px;
}

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

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: var(--radius-sm);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: var(--transition);
}

.btn-primary {
    background: var(--primary);
    color: white;
    box-shadow: 0 4px 24px rgba(200,16,46,0.35);
}

.btn-primary:hover {
    background: var(--primary-light);
    box-shadow: 0 6px 32px rgba(200,16,46,0.5);
    transform: translateY(-2px);
}

.btn-outline {
    background: var(--bg-glass);
    color: var(--text-bright);
    border: 1px solid var(--bg-glass-border);
    backdrop-filter: blur(10px);
}

.btn-outline:hover {
    background: var(--bg-card-hover);
    border-color: rgba(255,255,255,0.2);
    transform: translateY(-2px);
}

.hero-stats {
    display: flex;
    gap: 48px;
    justify-content: center;
    margin-top: 64px;
    flex-wrap: wrap;
}

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

.hero-stat .num {
    font-size: 2rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--text-bright) 0%, var(--primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

/* ===== Section Common ===== */
.section {
    padding: 100px 24px;
}

.section-light {
    background: var(--bg-white);
}

.section-gray {
    background: var(--bg-gray);
}

.section-dark {
    background: var(--bg-dark);
    color: var(--text-bright);
}

.section-inner {
    max-width: var(--max-width);
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    display: inline-block;
    padding: 4px 14px;
    background: rgba(200,16,46,0.08);
    color: var(--primary);
    font-size: 13px;
    font-weight: 600;
    border-radius: 100px;
    margin-bottom: 16px;
}

.section-dark .section-tag {
    background: rgba(200,16,46,0.15);
    color: var(--primary-light);
}

.section-title {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 800;
    color: var(--text-dark);
    line-height: 1.3;
    margin-bottom: 16px;
}

.section-dark .section-title {
    color: #ffffff;
    text-shadow: 0 0 40px rgba(255,255,255,0.25);
}

.section-desc {
    font-size: 1.1rem;
    color: var(--text-dark-sub);
    max-width: 640px;
    margin: 0 auto;
    line-height: 1.7;
}

.section-dark .section-desc {
    color: #E2E8F0;
    opacity: 0.95;
    text-shadow: 0 1px 8px rgba(0,0,0,0.3);
}

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

.eco-card {
    background: var(--bg-white);
    border: 1px solid var(--bg-gray-2);
    border-radius: var(--radius);
    padding: 40px 32px;
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.eco-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-tech);
    transform: scaleX(0);
    transition: var(--transition);
    transform-origin: left;
}

.eco-card:hover {
    box-shadow: var(--shadow-card-hover);
    transform: translateY(-4px);
    border-color: transparent;
}

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

.eco-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
}

.eco-icon.red { background: rgba(200,16,46,0.08); }
.eco-icon.purple { background: rgba(124,58,237,0.08); }
.eco-icon.cyan { background: rgba(0,212,255,0.08); }

.eco-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.eco-card p {
    font-size: 1rem;
    color: var(--text-dark-sub);
    line-height: 1.7;
}

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

.service-card {
    background: var(--bg-white);
    border-radius: var(--radius);
    padding: 36px 28px;
    transition: var(--transition);
    border: 1px solid var(--bg-gray-2);
    position: relative;
    overflow: hidden;
}

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

.service-num {
    position: absolute;
    top: 20px;
    right: 24px;
    font-size: 3rem;
    font-weight: 900;
    color: var(--bg-gray-2);
    line-height: 1;
    transition: var(--transition);
}

.service-card:hover .service-num {
    color: rgba(200,16,46,0.08);
}

.service-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-sm);
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    box-shadow: 0 4px 16px rgba(200,16,46,0.2);
}

.service-icon svg {
    width: 26px;
    height: 26px;
    fill: white;
}

.service-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 10px;
}

.service-card p {
    font-size: 0.95rem;
    color: var(--text-dark-sub);
    line-height: 1.7;
    margin-bottom: 16px;
}

.service-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.service-tag {
    padding: 4px 10px;
    background: var(--bg-gray);
    color: var(--text-dark-sub);
    font-size: 12px;
    border-radius: 6px;
    font-weight: 500;
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 16px;
    color: var(--primary);
    font-size: 14px;
    font-weight: 600;
}

.service-link:hover {
    gap: 10px;
    color: var(--primary-light);
}

/* ===== AI Digital Section (Dark) ===== */
.ai-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}

.ai-visual {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.ai-orbit {
    display: none;
}

.ai-core {
    display: none;
}

@keyframes pulse-glow {
    0%, 100% { box-shadow: 0 0 40px rgba(200,16,46,0.4); }
    50% { box-shadow: 0 0 60px rgba(200,16,46,0.7); }
}

.ai-ring {
    display: none;
}

.ai-node {
    display: none;
}

/* AI Dashboard Mockup */
.ai-dashboard {
    background: var(--bg-dark-2);
    border: 1px solid var(--bg-glass-border);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.ai-dash-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    background: rgba(255,255,255,0.03);
    border-bottom: 1px solid var(--bg-glass-border);
}

.ai-dash-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-bright);
}

.ai-dash-dot {
    width: 8px;
    height: 8px;
    background: #10B981;
    border-radius: 50%;
    animation: pulse-green 2s infinite;
}

@keyframes pulse-green {
    0%, 100% { box-shadow: 0 0 0 0 rgba(16,185,129,0.4); }
    50% { box-shadow: 0 0 0 6px rgba(16,185,129,0); }
}

.ai-dash-time {
    font-size: 13px;
    color: var(--text-muted);
    font-variant-numeric: tabular-nums;
}

.ai-dash-body {
    padding: 24px 20px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.ai-dash-metrics {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.ai-metric {
    display: grid;
    grid-template-columns: 80px 1fr 40px;
    align-items: center;
    gap: 12px;
}

.ai-metric-label {
    font-size: 13px;
    color: var(--text-dim);
    font-weight: 500;
}

.ai-metric-bar {
    height: 6px;
    background: rgba(255,255,255,0.06);
    border-radius: 3px;
    overflow: hidden;
}

.ai-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
    border-radius: 3px;
    transition: width 1.5s ease-out;
}

.ai-metric-value {
    font-size: 14px;
    font-weight: 700;
    color: var(--text-bright);
    text-align: right;
}

.ai-dash-feed {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding-top: 16px;
    border-top: 1px solid rgba(255,255,255,0.06);
}

.ai-feed-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    padding: 8px 12px;
    background: rgba(255,255,255,0.02);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.ai-feed-item:hover {
    background: rgba(255,255,255,0.05);
}

.ai-feed-tag {
    padding: 2px 8px;
    background: rgba(200,16,46,0.15);
    color: var(--primary-light);
    font-size: 11px;
    font-weight: 600;
    border-radius: 4px;
    flex-shrink: 0;
}

.ai-feed-text {
    color: var(--text-dim);
    flex: 1;
}

.ai-feed-time {
    color: var(--text-muted);
    font-size: 11px;
    flex-shrink: 0;
}

.ai-features {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.ai-feature {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.ai-feature-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    background: var(--bg-glass);
    border: 1px solid var(--bg-glass-border);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 18px;
}

.ai-feature h4 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-bright);
    margin-bottom: 6px;
}

.ai-feature p {
    font-size: 0.9rem;
    color: var(--text-dim);
    line-height: 1.6;
}

/* ===== Photo Gallery ===== */
.gallery {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.gallery-item {
    border-radius: var(--radius);
    overflow: hidden;
    aspect-ratio: 4/3;
    position: relative;
    cursor: pointer;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.gallery-item::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 60%, rgba(10,14,26,0.6) 100%);
    opacity: 0;
    transition: var(--transition);
}

.gallery-item:hover img {
    transform: scale(1.08);
}

.gallery-item:hover::after {
    opacity: 1;
}

/* Gallery in dark sections - subtle border for visibility */
.section-dark .gallery-item {
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

/* ===== Parks Coverage Section ===== */
.parks-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.park-card {
    background: var(--bg-glass);
    border: 1px solid var(--bg-glass-border);
    border-radius: var(--radius);
    padding: 28px 20px;
    text-align: center;
    backdrop-filter: blur(10px);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.park-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-tech);
    transform: scaleX(0);
    transition: var(--transition);
    transform-origin: left;
}

.park-card:hover {
    background: var(--bg-card-hover);
    transform: translateY(-4px);
    border-color: rgba(200,16,46,0.3);
    box-shadow: var(--shadow-glow);
}

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

.park-card.park-core {
    border-color: rgba(200,16,46,0.25);
    background: rgba(200,16,46,0.04);
}

.park-card.park-core::before {
    transform: scaleX(1);
    opacity: 0.6;
}

.park-icon {
    font-size: 28px;
    margin-bottom: 12px;
    line-height: 1;
}

.park-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-bright);
    margin-bottom: 6px;
}

.park-card p {
    font-size: 0.88rem;
    color: var(--text-muted);
    line-height: 1.5;
}

.park-card.park-more {
    border-style: dashed;
    border-color: rgba(255,255,255,0.12);
}

.park-card.park-cta {
    background: linear-gradient(135deg, rgba(200,16,46,0.12) 0%, rgba(124,58,237,0.08) 100%);
    border-color: rgba(200,16,46,0.3);
    cursor: pointer;
}

.park-card.park-cta h3 {
    background: linear-gradient(90deg, var(--primary-light) 0%, var(--accent-purple) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ===== Funnel / CTA Section ===== */
.funnel {
    background: var(--bg-dark);
    color: var(--text-bright);
    position: relative;
    overflow: hidden;
}

.funnel::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-mesh);
    opacity: 0.35;
}

.funnel .section-inner {
    position: relative;
    z-index: 2;
}

.funnel-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-top: 48px;
}

.funnel-card {
    background: var(--bg-glass);
    border: 1px solid var(--bg-glass-border);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    text-align: center;
    backdrop-filter: blur(10px);
    transition: var(--transition);
}

.funnel-card:hover {
    background: var(--bg-card-hover);
    border-color: rgba(200,16,46,0.3);
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow);
}

.funnel-step {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(200,16,46,0.15);
    color: var(--primary-light);
    font-size: 12px;
    font-weight: 600;
    border-radius: 100px;
    margin-bottom: 16px;
}

.funnel-card h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-bright);
    margin-bottom: 12px;
}

.funnel-card p {
    font-size: 0.95rem;
    color: #D1D9E8;
    line-height: 1.7;
    margin-bottom: 20px;
}

.funnel-qr {
    width: 140px;
    height: 140px;
    margin: 0 auto;
    border-radius: var(--radius-sm);
    overflow: hidden;
    background: white;
    padding: 10px;
}

.funnel-qr img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 6px;
}

.funnel-card .btn {
    margin-top: 20px;
}

/* ===== FAQ Preview ===== */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border: 1px solid var(--bg-gray-2);
    border-radius: var(--radius-sm);
    margin-bottom: 12px;
    overflow: hidden;
    transition: var(--transition);
}

.faq-item:hover {
    border-color: rgba(200,16,46,0.2);
    box-shadow: var(--shadow-sm);
}

.faq-q {
    padding: 18px 24px;
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-dark);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}

.faq-q:hover {
    color: var(--primary);
}

.faq-q .arrow {
    transition: var(--transition);
    color: var(--text-dark-muted);
}

.faq-item.active .faq-q .arrow {
    transform: rotate(180deg);
    color: var(--primary);
}

.faq-a {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    padding: 0 24px;
    color: var(--text-dark-sub);
    font-size: 1rem;
    line-height: 1.7;
}

.faq-item.active .faq-a {
    max-height: 300px;
    padding: 0 24px 20px;
}

.faq-more {
    text-align: center;
    margin-top: 32px;
}

/* ===== Footer ===== */
.footer {
    background: var(--bg-dark);
    color: var(--text-dim);
    padding: 60px 24px 30px;
}

.footer-inner {
    max-width: var(--max-width);
    margin: 0 auto;
}

.footer-top {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.footer-brand img {
    height: auto;
    max-width: 140px;
    width: auto;
    object-fit: contain;
    filter: brightness(0) invert(1);
}

.footer-brand p {
    font-size: 0.9rem;
    line-height: 1.7;
    color: var(--text-muted);
    max-width: 320px;
}

.footer-col h4 {
    color: var(--text-bright);
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 16px;
}

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

.footer-col ul li {
    margin-bottom: 10px;
}

.footer-col ul a {
    font-size: 0.88rem;
    color: var(--text-muted);
}

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

.footer-bottom {
    padding-top: 24px;
    text-align: center;
    font-size: 0.82rem;
    color: var(--text-muted);
}

.footer-bottom a {
    color: var(--text-muted);
}

.footer-bottom a:hover {
    color: var(--primary-light);
}

/* ===== Scroll Animation ===== */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ===== Responsive ===== */
@media (max-width: 968px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: rgba(10,14,26,0.95);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 24px;
        gap: 20px;
        border-bottom: 1px solid rgba(255,255,255,0.06);
    }

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

    .nav-toggle {
        display: flex;
    }

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

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

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

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

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

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

    .footer-top {
        grid-template-columns: 1fr 1fr;
    }

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

@media (max-width: 640px) {
    .section {
        padding: 60px 16px;
    }

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

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

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

    .footer-top {
        grid-template-columns: 1fr;
    }

    .hero-actions {
        flex-direction: column;
        width: 100%;
    }

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