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

:root {
    --primary: #6366F1;
    --primary-dark: #4F46E5;
    --primary-light: #818CF8;
    --accent: #06B6D4;
    --accent-dark: #0891B2;
    --neon-pink: #EC4899;
    --neon-green: #10B981;
    --dark-bg: #0F172A;
    --dark-surface: #1E293B;
    --dark-card: #334155;
    --text-white: #F8FAFC;
    --text-light: #CBD5E1;
    --text-muted: #94A3B8;
    --text-gray: #64748B;
    --bg-white: #FFFFFF;
    --bg-light: #F1F5F9;
    --border: #334155;
    --border-light: #E2E8F0;
    --success: #10B981;
    --warning: #F59E0B;
    --gradient-hero: linear-gradient(135deg, #6366F1 0%, #06B6D4 50%, #EC4899 100%);
    --gradient-card: linear-gradient(135deg, #1E293B 0%, #0F172A 100%);
    --shadow-neon: 0 0 40px rgba(99, 102, 241, 0.3);
    --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.3);
    --shadow-hover: 0 12px 48px rgba(99, 102, 241, 0.25);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    line-height: 1.7;
    color: var(--text-white);
    background: var(--dark-bg);
    overflow-x: hidden;
}

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

ul {
    list-style: none;
}

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

.container {
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ============ HEADER ============ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(15, 23, 42, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(99, 102, 241, 0.15);
    transition: all 0.3s ease;
}

.header.scrolled {
    background: rgba(15, 23, 42, 0.95);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    font-size: 22px;
    font-weight: 700;
    color: var(--text-white);
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: var(--gradient-hero);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 12px;
    position: relative;
    animation: pulse-glow 2s infinite;
}

.logo-icon::after {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 12px;
    background: var(--gradient-hero);
    z-index: -1;
    opacity: 0.4;
    filter: blur(12px);
}

@keyframes pulse-glow {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

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

.nav {
    display: flex;
    align-items: center;
    gap: 4px;
}

.nav-link {
    display: block;
    padding: 10px 18px;
    font-weight: 500;
    color: var(--text-light);
    border-radius: 8px;
    transition: all 0.25s ease;
    font-size: 15px;
    position: relative;
}

.nav-link:hover {
    color: var(--text-white);
    background: rgba(99, 102, 241, 0.1);
}

.nav-link.active {
    color: var(--primary-light);
    background: rgba(99, 102, 241, 0.15);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 20%;
    right: 20%;
    height: 2px;
    background: var(--gradient-hero);
    border-radius: 2px;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 22px;
    font-size: 14px;
    font-weight: 600;
    border-radius: 10px;
    border: none;
    cursor: pointer;
    transition: all 0.25s ease;
    gap: 8px;
    white-space: nowrap;
}

.btn-primary {
    background: var(--gradient-hero);
    color: white;
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(99, 102, 241, 0.5);
}

.btn-outline {
    background: transparent;
    color: var(--primary-light);
    border: 1.5px solid var(--primary);
}

.btn-outline:hover {
    background: rgba(99, 102, 241, 0.1);
    border-color: var(--primary-light);
}

.btn-ghost {
    background: transparent;
    color: var(--text-light);
}

.btn-ghost:hover {
    color: var(--text-white);
}

.btn-lg {
    padding: 14px 32px;
    font-size: 16px;
}

.btn-xl {
    padding: 18px 40px;
    font-size: 18px;
}

/* Mobile Menu */
.mobile-toggle {
    display: none;
    background: transparent;
    border: none;
    color: var(--text-white);
    cursor: pointer;
    padding: 8px;
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--dark-surface);
    padding: 20px;
    border-bottom: 1px solid var(--border);
    z-index: 999;
}

.mobile-menu.open {
    display: block;
}

.mobile-menu a {
    display: block;
    padding: 14px 16px;
    color: var(--text-light);
    border-radius: 8px;
    margin-bottom: 4px;
    font-weight: 500;
}

.mobile-menu a:hover,
.mobile-menu a.active {
    background: rgba(99, 102, 241, 0.15);
    color: var(--primary-light);
}

/* ============ HERO ============ */
.hero {
    padding: 160px 0 100px;
    position: relative;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at top left, rgba(99, 102, 241, 0.2) 0%, transparent 50%),
                radial-gradient(ellipse at bottom right, rgba(236, 72, 153, 0.15) 0%, transparent 50%),
                radial-gradient(ellipse at center, rgba(6, 182, 212, 0.1) 0%, transparent 70%);
}

.hero-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(99, 102, 241, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(99, 102, 241, 0.05) 1px, transparent 1px);
    background-size: 60px 60px;
}

.hero-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    padding: 6px 16px;
    background: rgba(16, 185, 129, 0.15);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: var(--neon-green);
    border-radius: 999px;
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 24px;
    gap: 8px;
}

.hero-badge .dot {
    width: 6px;
    height: 6px;
    background: var(--neon-green);
    border-radius: 50%;
    animation: blink 1.5s infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

.hero-title {
    font-size: 56px;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 24px;
    color: var(--text-white);
}

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

.hero-subtitle {
    font-size: 19px;
    color: var(--text-light);
    margin-bottom: 36px;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    gap: 48px;
    flex-wrap: wrap;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

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

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

/* Hero Visual */
.hero-visual {
    position: relative;
    height: 420px;
}

.vpn-illustration {
    position: relative;
    width: 100%;
    height: 100%;
}

.glow-circle {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
}

.glow-1 {
    width: 300px;
    height: 300px;
    background: var(--primary);
    top: 20px;
    right: 40px;
    opacity: 0.4;
    animation: float 6s ease-in-out infinite;
}

.glow-2 {
    width: 200px;
    height: 200px;
    background: var(--accent);
    bottom: 40px;
    left: 20px;
    opacity: 0.3;
    animation: float 8s ease-in-out infinite reverse;
}

.glow-3 {
    width: 150px;
    height: 150px;
    background: var(--neon-pink);
    top: 50%;
    left: 50%;
    opacity: 0.25;
    animation: float 7s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0) scale(1); }
    50% { transform: translateY(-20px) scale(1.05); }
}

.vpn-card {
    position: absolute;
    background: rgba(30, 41, 59, 0.8);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: 20px;
    padding: 24px;
    box-shadow: var(--shadow-card);
}

.card-connection {
    top: 60px;
    left: 20px;
    width: 220px;
}

.card-speed {
    bottom: 60px;
    right: 20px;
    width: 200px;
}

.card-servers {
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 180px;
    text-align: center;
}

.card-title {
    font-size: 12px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 12px;
}

.connection-status {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--neon-green);
    font-weight: 600;
    font-size: 16px;
}

.status-dot {
    width: 10px;
    height: 10px;
    background: var(--neon-green);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--neon-green);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { box-shadow: 0 0 10px var(--neon-green); }
    50% { box-shadow: 0 0 20px var(--neon-green), 0 0 30px var(--neon-green); }
}

.speed-value {
    font-size: 32px;
    font-weight: 800;
    color: var(--accent);
}

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

.speed-bar {
    height: 6px;
    background: var(--dark-bg);
    border-radius: 3px;
    margin-top: 12px;
    overflow: hidden;
}

.speed-bar-fill {
    height: 100%;
    background: var(--gradient-hero);
    border-radius: 3px;
    animation: fill-bar 2s ease-out;
}

@keyframes fill-bar {
    from { width: 0%; }
    to { width: 85%; }
}

.servers-count {
    font-size: 36px;
    font-weight: 800;
    background: var(--gradient-hero);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

/* ============ PAGE HEADER (sub-pages) ============ */
.page-header {
    padding: 140px 0 80px;
    position: relative;
    overflow: hidden;
}

.page-header-bg {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at top, rgba(99, 102, 241, 0.2) 0%, transparent 60%);
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 20px;
    font-size: 14px;
    color: var(--text-muted);
    position: relative;
    z-index: 1;
}

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

.breadcrumb .separator {
    color: var(--text-gray);
}

.page-title {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 16px;
    position: relative;
    z-index: 1;
}

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

.page-subtitle {
    font-size: 18px;
    color: var(--text-light);
    max-width: 700px;
    position: relative;
    z-index: 1;
}

/* ============ SECTIONS ============ */
.section {
    padding: 100px 0;
    position: relative;
}

.section-alt {
    background: var(--dark-surface);
}

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

.section-tag {
    display: inline-block;
    padding: 4px 14px;
    background: rgba(99, 102, 241, 0.15);
    border: 1px solid rgba(99, 102, 241, 0.3);
    color: var(--primary-light);
    border-radius: 999px;
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 16px;
}

.section-title {
    font-size: 40px;
    font-weight: 800;
    margin-bottom: 16px;
    color: var(--text-white);
}

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

.section-desc {
    font-size: 18px;
    color: var(--text-light);
    max-width: 640px;
    margin: 0 auto;
}

/* ============ FEATURES ============ */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.feature-card {
    padding: 36px 28px;
    background: var(--gradient-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    transition: all 0.35s ease;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--gradient-hero);
    opacity: 0;
    transition: opacity 0.3s;
}

.feature-card:hover {
    transform: translateY(-6px);
    border-color: rgba(99, 102, 241, 0.5);
    box-shadow: var(--shadow-hover);
}

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

.feature-icon {
    width: 60px;
    height: 60px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    margin-bottom: 24px;
    background: rgba(99, 102, 241, 0.15);
    border: 1px solid rgba(99, 102, 241, 0.3);
}

.feature-icon.cyan {
    background: rgba(6, 182, 212, 0.15);
    border-color: rgba(6, 182, 212, 0.3);
}

.feature-icon.pink {
    background: rgba(236, 72, 153, 0.15);
    border-color: rgba(236, 72, 153, 0.3);
}

.feature-icon.green {
    background: rgba(16, 185, 129, 0.15);
    border-color: rgba(16, 185, 129, 0.3);
}

.feature-icon.orange {
    background: rgba(245, 158, 11, 0.15);
    border-color: rgba(245, 158, 11, 0.3);
}

.feature-icon.purple {
    background: rgba(139, 92, 246, 0.15);
    border-color: rgba(139, 92, 246, 0.3);
}

.feature-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-white);
}

.feature-desc {
    font-size: 15px;
    color: var(--text-muted);
    line-height: 1.7;
}

/* ============ PRICING ============ */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    align-items: stretch;
}

.pricing-card {
    padding: 40px 32px;
    background: var(--gradient-card);
    border: 1px solid var(--border);
    border-radius: 24px;
    transition: all 0.35s ease;
    display: flex;
    flex-direction: column;
    position: relative;
}

.pricing-card:hover {
    transform: translateY(-8px);
    border-color: rgba(99, 102, 241, 0.4);
    box-shadow: var(--shadow-hover);
}

.pricing-card.featured {
    border-color: var(--primary);
    background: linear-gradient(180deg, rgba(99, 102, 241, 0.1) 0%, rgba(15, 23, 42, 1) 100%);
    box-shadow: 0 0 40px rgba(99, 102, 241, 0.2);
}

.pricing-badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-hero);
    color: white;
    padding: 8px 24px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 700;
    white-space: nowrap;
}

.pricing-name {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-white);
}

.pricing-desc {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 28px;
}

.pricing-price {
    margin-bottom: 28px;
    padding-bottom: 28px;
    border-bottom: 1px solid var(--border);
}

.price-amount {
    font-size: 52px;
    font-weight: 800;
    color: var(--text-white);
    line-height: 1;
}

.price-period {
    font-size: 15px;
    color: var(--text-muted);
}

.pricing-features {
    flex: 1;
    margin-bottom: 32px;
}

.pricing-features li {
    padding: 12px 0;
    padding-left: 32px;
    position: relative;
    font-size: 15px;
    color: var(--text-light);
    border-bottom: 1px solid rgba(51, 65, 85, 0.5);
}

.pricing-features li:last-child {
    border-bottom: none;
}

.pricing-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    top: 12px;
    width: 22px;
    height: 22px;
    background: rgba(16, 185, 129, 0.2);
    color: var(--neon-green);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 700;
}

.pricing-card .btn {
    width: 100%;
}

/* ============ DOWNLOAD ============ */
.download-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-bottom: 48px;
}

.download-card {
    padding: 32px 24px;
    background: var(--gradient-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    text-align: center;
    transition: all 0.35s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.download-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-hero);
    opacity: 0;
    transition: opacity 0.3s;
    z-index: -1;
}

.download-card:hover {
    transform: translateY(-6px);
    border-color: var(--primary);
    box-shadow: var(--shadow-hover);
}

.download-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.download-platform {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-white);
}

.download-version {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 16px;
}

.download-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 24px;
    background: rgba(99, 102, 241, 0.15);
    border: 1px solid rgba(99, 102, 241, 0.4);
    border-radius: 10px;
    color: var(--primary-light);
    font-weight: 600;
    font-size: 14px;
    transition: all 0.25s;
}

.download-btn:hover {
    background: var(--gradient-hero);
    color: white;
    border-color: transparent;
}

/* ============ HELP / FAQ ============ */
.help-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 48px;
}

.help-sidebar {
    position: sticky;
    top: 100px;
    align-self: flex-start;
}

.help-nav-title {
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    margin-bottom: 16px;
    padding: 0 12px;
}

.help-nav-link {
    display: block;
    padding: 12px 16px;
    border-radius: 10px;
    font-size: 15px;
    color: var(--text-light);
    transition: all 0.2s;
    margin-bottom: 4px;
}

.help-nav-link:hover,
.help-nav-link.active {
    background: rgba(99, 102, 241, 0.15);
    color: var(--primary-light);
}

.faq-item {
    margin-bottom: 16px;
    background: var(--gradient-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.3s;
}

.faq-item.active {
    border-color: rgba(99, 102, 241, 0.4);
}

.faq-question {
    width: 100%;
    padding: 24px;
    background: transparent;
    border: none;
    color: var(--text-white);
    font-size: 17px;
    font-weight: 600;
    text-align: left;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

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

.faq-icon {
    width: 24px;
    height: 24px;
    background: rgba(99, 102, 241, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: transform 0.3s;
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
    background: var(--primary);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer-inner {
    padding: 0 24px 24px;
    color: var(--text-light);
    line-height: 1.8;
}

.faq-answer > p {
    padding: 0 24px 24px;
    color: var(--text-light);
    line-height: 1.8;
}

/* ============ BREADCRUMB ============ */
.breadcrumb-section {
    padding-top: 112px;
    padding-bottom: 0;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--text-muted);
}

.breadcrumb-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: color 0.2s;
}

.breadcrumb-item:hover {
    color: var(--primary-light);
}

.breadcrumb-item.current {
    color: var(--text-light);
    cursor: default;
}

.breadcrumb-separator {
    color: var(--text-gray);
}

/* ============ HELP HERO ============ */
.help-hero {
    padding: 40px 0 80px;
    position: relative;
    overflow: hidden;
}

.help-hero-content {
    text-align: center;
    position: relative;
    z-index: 1;
}

.help-title {
    font-size: 48px;
    font-weight: 800;
    margin: 16px 0;
    color: var(--text-white);
}

.help-subtitle {
    font-size: 18px;
    color: var(--text-light);
    max-width: 640px;
    margin: 0 auto 36px;
    line-height: 1.7;
}

.help-search {
    max-width: 560px;
    margin: 0 auto;
}

.search-box {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 20px;
    background: var(--gradient-card);
    border: 1px solid var(--border);
    border-radius: 14px;
    transition: all 0.25s;
}

.search-box:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.search-box svg {
    color: var(--text-muted);
    flex-shrink: 0;
}

.search-box input {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    color: var(--text-white);
    font-size: 16px;
    font-family: inherit;
}

.search-box input::placeholder {
    color: var(--text-muted);
}

/* ============ HELP SECTION ============ */
.help-section {
    padding: 40px 0 100px;
}

.help-content {
    min-width: 0;
}

.faq-category {
    margin-bottom: 56px;
}

.faq-category:last-child {
    margin-bottom: 0;
}

.category-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 28px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border);
}

.category-icon {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    background: rgba(99, 102, 241, 0.15);
    border: 1px solid rgba(99, 102, 241, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-light);
    flex-shrink: 0;
}

.category-header h2 {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-white);
    margin-bottom: 4px;
}

.category-header p {
    font-size: 14px;
    color: var(--text-muted);
}

.faq-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

/* ============ SIDEBAR ============ */
.sidebar-header {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    margin-bottom: 16px;
    padding: 0 12px;
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-bottom: 28px;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: 10px;
    font-size: 15px;
    color: var(--text-light);
    transition: all 0.2s;
}

.sidebar-link:hover {
    background: rgba(99, 102, 241, 0.1);
    color: var(--text-white);
}

.sidebar-link.active {
    background: rgba(99, 102, 241, 0.15);
    color: var(--primary-light);
}

.sidebar-contact {
    padding: 24px;
    background: var(--gradient-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    text-align: center;
}

.sidebar-contact h4 {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-white);
    margin-bottom: 8px;
}

.sidebar-contact p {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 16px;
    line-height: 1.6;
}

.btn-block {
    display: flex;
    width: 100%;
}

/* ============ RESPONSIVE HELP ============ */
@media (max-width: 768px) {
    .help-hero {
        padding: 20px 0 40px;
    }

    .help-title {
        font-size: 32px;
    }

    .help-subtitle {
        font-size: 16px;
    }

    .breadcrumb-section {
        padding-top: 96px;
    }

    .category-header {
        gap: 14px;
    }

    .category-icon {
        width: 46px;
        height: 46px;
    }

    .category-header h2 {
        font-size: 20px;
    }
}

/* ============ ABOUT ============ */
.about-hero {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    padding: 60px 0 80px;
}

.about-text h1 {
    font-size: 44px;
    font-weight: 800;
    margin-bottom: 24px;
    line-height: 1.2;
}

.about-text p {
    font-size: 18px;
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 20px;
}

.about-visual {
    background: var(--gradient-card);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 48px;
    text-align: center;
}

.mission-icon {
    font-size: 64px;
    margin-bottom: 24px;
}

.mission-statement {
    font-size: 20px;
    font-weight: 600;
    color: var(--primary-light);
    margin-bottom: 12px;
}

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

.value-card {
    padding: 32px;
    background: var(--gradient-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    text-align: center;
    transition: all 0.3s;
}

.value-card:hover {
    transform: translateY(-6px);
    border-color: rgba(99, 102, 241, 0.4);
}

.value-icon {
    font-size: 40px;
    margin-bottom: 20px;
}

.value-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-white);
}

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

.team-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
}

.team-card {
    padding: 32px 24px;
    background: var(--gradient-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    text-align: center;
    transition: all 0.3s;
}

.team-card:hover {
    transform: translateY(-6px);
    border-color: rgba(99, 102, 241, 0.4);
    box-shadow: var(--shadow-hover);
}

.team-avatar {
    width: 80px;
    height: 80px;
    background: var(--gradient-hero);
    border-radius: 50%;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    font-weight: 700;
    color: white;
}

.team-name {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 6px;
    color: var(--text-white);
}

.team-role {
    font-size: 14px;
    color: var(--primary-light);
    margin-bottom: 12px;
}

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

/* ============ CONTACT ============ */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 40px;
}

.contact-info {
    padding: 40px 32px;
    background: var(--gradient-card);
    border: 1px solid var(--border);
    border-radius: 20px;
}

.contact-info h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 24px;
    color: var(--text-white);
}

.contact-item {
    padding: 20px 0;
    border-bottom: 1px solid var(--border);
    display: flex;
    gap: 16px;
}

.contact-item:last-child {
    border-bottom: none;
}

.contact-icon {
    width: 44px;
    height: 44px;
    background: rgba(99, 102, 241, 0.15);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-content-label {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.contact-content-value {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-white);
}

.contact-form {
    padding: 40px 32px;
    background: var(--gradient-card);
    border: 1px solid var(--border);
    border-radius: 20px;
}

.form-group {
    margin-bottom: 22px;
}

.form-label {
    display: block;
    margin-bottom: 10px;
    font-weight: 500;
    font-size: 14px;
    color: var(--text-light);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 14px 18px;
    background: var(--dark-bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    font-size: 15px;
    color: var(--text-white);
    font-family: inherit;
    transition: all 0.25s;
    outline: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.form-textarea {
    resize: vertical;
    min-height: 140px;
}

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

/* ============ CTA ============ */
.cta-section {
    padding: 120px 0;
    position: relative;
    overflow: hidden;
}

.cta-bg {
    position: absolute;
    inset: 0;
    background: var(--gradient-hero);
}

.cta-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center, rgba(255, 255, 255, 0.1) 0%, transparent 60%);
}

.cta-content {
    position: relative;
    text-align: center;
    z-index: 1;
}

.cta-title {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 16px;
    color: white;
}

.cta-desc {
    font-size: 19px;
    opacity: 0.95;
    margin-bottom: 36px;
    max-width: 580px;
    margin-left: auto;
    margin-right: auto;
}

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

.cta-section .btn-primary {
    background: white;
    color: var(--primary-dark);
}

.cta-section .btn-primary:hover {
    background: var(--bg-light);
    transform: translateY(-2px);
}

.cta-section .btn-outline {
    border-color: rgba(255, 255, 255, 0.6);
    color: white;
}

.cta-section .btn-outline:hover {
    background: rgba(255, 255, 255, 0.15);
}

/* ============ FOOTER ============ */
.footer {
    background: #0A0F1C;
    color: var(--text-muted);
    padding: 72px 0 32px;
    border-top: 1px solid var(--border);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 56px;
}

.footer-brand .logo {
    color: white;
    margin-bottom: 18px;
}

.footer-brand p {
    font-size: 14px;
    line-height: 1.8;
    margin-bottom: 24px;
    max-width: 280px;
}

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

.social-icon {
    width: 40px;
    height: 40px;
    background: rgba(51, 65, 85, 0.5);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.25s;
    font-size: 18px;
}

.social-icon:hover {
    background: var(--gradient-hero);
    transform: translateY(-3px);
}

.footer-title {
    font-size: 15px;
    font-weight: 700;
    color: white;
    margin-bottom: 20px;
}

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

.footer-links a {
    font-size: 14px;
    transition: color 0.2s;
}

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

.footer-bottom {
    padding-top: 32px;
    border-top: 1px solid rgba(51, 65, 85, 0.5);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
}

.footer-bottom-links {
    display: flex;
    gap: 28px;
}

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

/* ============ RESPONSIVE ============ */
@media (max-width: 1024px) {
    .feature-grid,
    .pricing-grid,
    .values-grid,
    .team-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

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

@media (max-width: 768px) {
    .nav {
        display: none;
    }

    .mobile-toggle {
        display: block;
    }

    .hero-inner,
    .about-hero,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .hero-visual {
        height: 320px;
    }

    .hero-title {
        font-size: 38px;
    }

    .hero-stats {
        gap: 28px;
    }

    .section-title,
    .page-title {
        font-size: 30px;
    }

    .page-header {
        padding: 120px 0 60px;
    }

    .feature-grid,
    .pricing-grid,
    .values-grid,
    .team-grid,
    .download-grid {
        grid-template-columns: 1fr;
    }

    .help-layout {
        grid-template-columns: 1fr;
    }

    .help-sidebar {
        position: static;
    }

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

    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }

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

    .cta-title {
        font-size: 32px;
    }

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

    .hero-actions {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 20px;
    }

    .hero {
        padding: 120px 0 60px;
    }

    .hero-title {
        font-size: 32px;
    }

    .section {
        padding: 60px 0;
    }

    .feature-card,
    .pricing-card {
        padding: 28px 24px;
    }

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