/* ============================================
   小军·标书智能风控检测系统 - 官网样式
   主色调：蓝色 (#3b82f6)
   主题：本地检测，数据不上云
   ============================================ */

/* ========== CSS Variables ========== */
:root {
    /* 主色系 - 蓝色 */
    --primary-color: #3b82f6;
    --primary-light: #60a5fa;
    --primary-dark: #2563eb;
    --primary-lighter: #eff6ff;
    --primary-darker: #1e40af;

    /* 辅助色 */
    --secondary-color: #0ea5e9;
    --accent-color: #06b6d4;

    /* 背景色 */
    --bg-dark: #0f172a;
    --bg-main: #f8fafc;
    --bg-card: #ffffff;
    --bg-gradient: linear-gradient(135deg, #1e40af 0%, #3b82f6 50%, #0ea5e9 100%);

    /* 文字色 */
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-light: #94a3b8;
    --text-white: #ffffff;

    /* 边框色 */
    --border-color: #e2e8f0;
    --border-dark: #cbd5e1;

    /* 状态色 */
    --success-color: #22c55e;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;

    /* 阴影 */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);

    /* 圆角 */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-full: 9999px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'PingFang SC', 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-main);
    -webkit-font-smoothing: antialiased;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s ease;
}

ul {
    list-style: none;
}

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

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

/* ========== Typography ========== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    color: var(--text-primary);
}

h1 { font-size: 3rem; }
h2 { font-size: 2.25rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

.text-center { text-align: center; }
.text-gradient {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ========== Navigation ========== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 72px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: all 0.3s ease;
}

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

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

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

.logo-icon {
    width: 40px;
    height: 40px;
    background: var(--bg-gradient);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 20px;
    font-weight: bold;
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

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

.nav-menu {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    font-size: 0.95rem;
    color: var(--text-secondary);
    font-weight: 500;
    padding: 8px 0;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

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

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

.nav-cta {
    background: var(--primary-color);
    color: white;
    padding: 10px 24px;
    border-radius: var(--radius-full);
    font-weight: 500;
    transition: all 0.3s ease;
}

.nav-cta:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: all 0.3s ease;
}

/* ========== Hero Section ========== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 72px;
    background: linear-gradient(180deg, var(--primary-lighter) 0%, var(--bg-main) 100%);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 80%;
    height: 150%;
    background: radial-gradient(ellipse, rgba(59, 130, 246, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

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

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: white;
    border: 1px solid var(--primary-light);
    padding: 8px 16px;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    color: var(--primary-color);
    margin-bottom: 24px;
    box-shadow: var(--shadow-sm);
}

.hero-badge::before {
    content: '';
    width: 8px;
    height: 8px;
    background: var(--success-color);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.2); }
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 16px;
    color: var(--bg-dark);
}

.hero-title .highlight {
    position: relative;
    color: var(--primary-color);
}

.hero-title .highlight::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 0;
    width: 100%;
    height: 12px;
    background: rgba(59, 130, 246, 0.2);
    z-index: -1;
    border-radius: 4px;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 32px;
    max-width: 500px;
}

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
    box-shadow: 0 4px 14px rgba(59, 130, 246, 0.4);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.5);
}

.btn-secondary {
    background: white;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
    background: var(--primary-lighter);
    transform: translateY(-2px);
}

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

.btn-outline:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.hero-features {
    display: flex;
    gap: 32px;
}

.hero-feature {
    display: flex;
    align-items: center;
    gap: 12px;
}

.hero-feature-icon {
    width: 48px;
    height: 48px;
    background: white;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    box-shadow: var(--shadow-md);
}

.hero-feature-text {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.hero-feature-text strong {
    display: block;
    color: var(--text-primary);
    font-size: 1rem;
}

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

.hero-image {
    width: 100%;
    max-width: 600px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    margin: 0 auto;
    display: block;
}

.hero-shield {
    position: absolute;
    bottom: -20px;
    left: -20px;
    background: white;
    padding: 16px 24px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 12px;
}

.shield-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 24px;
}

.shield-text {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.shield-text strong {
    display: block;
    color: var(--text-primary);
    font-size: 1rem;
}

/* ========== Trust Banner ========== */
.trust-banner {
    background: white;
    padding: 40px 0;
    border-bottom: 1px solid var(--border-color);
}

.trust-items {
    display: flex;
    justify-content: center;
    gap: 60px;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 16px;
}

.trust-icon {
    width: 56px;
    height: 56px;
    background: var(--primary-lighter);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
}

.trust-text h4 {
    font-size: 1.125rem;
    margin-bottom: 4px;
}

.trust-text p {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* ========== Features Section ========== */
.features {
    padding: 120px 0;
    background: var(--bg-main);
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 64px;
}

.section-badge {
    display: inline-block;
    background: var(--primary-lighter);
    color: var(--primary-color);
    padding: 6px 16px;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 16px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.section-desc {
    font-size: 1.125rem;
    color: var(--text-secondary);
}

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

.feature-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

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

.feature-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: white;
    margin-bottom: 24px;
}

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

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

/* ========== Core Feature - Local Processing ========== */
.local-feature {
    padding: 120px 0;
    background: linear-gradient(180deg, #0f172a 0%, #1e293b 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.local-feature::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%233b82f6' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    pointer-events: none;
}

.local-feature .container {
    position: relative;
    z-index: 1;
}

.local-feature .section-badge {
    background: rgba(59, 130, 246, 0.2);
    color: var(--primary-light);
}

.local-feature .section-title {
    color: white;
}

.local-feature .section-desc {
    color: var(--text-light);
}

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

.local-content h3 {
    font-size: 2rem;
    color: white;
    margin-bottom: 24px;
}

.local-content h3 span {
    color: var(--primary-light);
}

.local-content p {
    font-size: 1.125rem;
    color: var(--text-light);
    margin-bottom: 32px;
    line-height: 1.8;
}

.local-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 40px;
}

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

.local-item-icon {
    width: 28px;
    height: 28px;
    background: var(--success-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 14px;
    flex-shrink: 0;
    margin-top: 4px;
}

.local-item-text {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.9);
}

.local-item-text strong {
    color: white;
    display: block;
    margin-bottom: 4px;
}

/* Local Visual */
.local-visual {
    position: relative;
}

.local-diagram {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: 40px;
    backdrop-filter: blur(10px);
}

.diagram-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 32px;
}

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

.diagram-box {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-md);
    padding: 20px 28px;
    text-align: center;
    color: white;
    font-weight: 500;
}

.diagram-box.highlight {
    background: var(--primary-color);
    border-color: var(--primary-color);
    box-shadow: 0 0 30px rgba(59, 130, 246, 0.5);
}

.diagram-box.cloud {
    background: linear-gradient(135deg, #64748b 0%, #475569 100%);
    opacity: 0.6;
}

.diagram-box.local {
    background: linear-gradient(135deg, var(--success-color) 0%, #16a34a 100%);
}

.diagram-arrow {
    color: var(--text-light);
    font-size: 24px;
}

.diagram-arrow.cross {
    color: var(--danger-color);
    font-size: 20px;
}

.diagram-note {
    text-align: center;
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--success-color);
    font-weight: 500;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

/* ========== Detection Types ========== */
.detection-types {
    padding: 120px 0;
    background: white;
}

.detection-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.detection-card {
    background: var(--bg-main);
    border-radius: var(--radius-md);
    padding: 24px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.detection-card:hover {
    background: white;
    border-color: var(--primary-light);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.detection-icon {
    width: 56px;
    height: 56px;
    background: var(--primary-lighter);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    margin: 0 auto 16px;
}

.detection-card h4 {
    font-size: 1rem;
    margin-bottom: 8px;
}

.detection-card p {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* ========== Editions ========== */
.editions {
    padding: 120px 0;
    background: var(--bg-main);
}

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

.edition-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.edition-card.popular {
    border-color: var(--primary-color);
    transform: scale(1.05);
}

.edition-card.popular::before {
    content: '最受欢迎';
    position: absolute;
    top: 20px;
    right: -35px;
    background: var(--primary-color);
    color: white;
    padding: 6px 40px;
    font-size: 0.75rem;
    font-weight: 500;
    transform: rotate(45deg);
}

.edition-card:hover {
    box-shadow: var(--shadow-xl);
}

.edition-icon {
    width: 72px;
    height: 72px;
    background: var(--primary-lighter);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    margin: 0 auto 24px;
}

.edition-card h3 {
    font-size: 1.5rem;
    margin-bottom: 8px;
}

.edition-card .price {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 8px;
}

.edition-card .price span {
    font-size: 1rem;
    font-weight: 400;
    color: var(--text-secondary);
}

.edition-card .desc {
    color: var(--text-secondary);
    margin-bottom: 32px;
    font-size: 0.95rem;
}

.edition-features {
    text-align: left;
    margin-bottom: 32px;
}

.edition-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.95rem;
}

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

.edition-features li::before {
    content: '✓';
    color: var(--success-color);
    font-weight: bold;
}

.edition-features li.disabled {
    color: var(--text-light);
    text-decoration: line-through;
}

.edition-features li.disabled::before {
    content: '✗';
    color: var(--text-light);
}

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

/* ========== CTA Section ========== */
.cta {
    padding: 120px 0;
    background: var(--bg-gradient);
    text-align: center;
    color: white;
}

.cta h2 {
    font-size: 2.5rem;
    color: white;
    margin-bottom: 16px;
}

.cta p {
    font-size: 1.25rem;
    opacity: 0.9;
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

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

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

.cta .btn-primary:hover {
    background: var(--primary-lighter);
}

.cta .btn-secondary {
    background: transparent;
    color: white;
    border-color: white;
}

.cta .btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* ========== Footer ========== */
.footer {
    background: var(--bg-dark);
    color: white;
    padding: 80px 0 40px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-brand .logo {
    margin-bottom: 20px;
}

.footer-brand .logo-text {
    color: white;
}

.footer-brand p {
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.8;
    margin-bottom: 24px;
}

.footer-social {
    display: flex;
    gap: 16px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    transition: all 0.3s ease;
}

.footer-social a:hover {
    background: var(--primary-color);
    transform: translateY(-3px);
}

.footer-column h4 {
    color: white;
    font-size: 1rem;
    margin-bottom: 20px;
}

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

.footer-column ul li a {
    color: var(--text-light);
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom p {
    color: var(--text-light);
    font-size: 0.875rem;
}

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

.footer-links a {
    color: var(--text-light);
    font-size: 0.875rem;
}

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

/* ========== Page Header ========== */
.page-header {
    padding: 160px 0 80px;
    background: linear-gradient(180deg, var(--primary-lighter) 0%, var(--bg-main) 100%);
    text-align: center;
}

.page-header h1 {
    font-size: 3rem;
    margin-bottom: 16px;
}

.page-header p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* ========== Features Detail Page ========== */
.features-detail {
    padding: 80px 0;
}

.feature-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    margin-bottom: 120px;
}

.feature-row:nth-child(even) {
    direction: rtl;
}

.feature-row:nth-child(even) > * {
    direction: ltr;
}

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

.feature-detail-content h3 {
    font-size: 2rem;
    margin-bottom: 20px;
}

.feature-detail-content p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 24px;
}

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

.feature-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1rem;
}

.feature-list li::before {
    content: '✓';
    color: var(--primary-color);
    font-weight: bold;
}

.feature-detail-visual {
    background: var(--primary-lighter);
    border-radius: var(--radius-lg);
    padding: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-icon-large {
    width: 120px;
    height: 120px;
    background: var(--bg-gradient);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 64px;
    color: white;
}

/* ========== Pricing Page ========== */
.pricing-hero {
    padding: 120px 0 60px;
    text-align: center;
}

.pricing-table-wrapper {
    padding: 60px 0 120px;
}

.pricing-table {
    width: 100%;
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.pricing-table table {
    width: 100%;
    border-collapse: collapse;
}

.pricing-table th,
.pricing-table td {
    padding: 20px 24px;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

.pricing-table th {
    background: var(--bg-dark);
    color: white;
    font-weight: 600;
    font-size: 1rem;
}

.pricing-table th:first-child {
    text-align: left;
}

.pricing-table td:first-child {
    text-align: left;
    font-weight: 500;
}

.pricing-table tr:last-child td {
    border-bottom: none;
}

.pricing-table .check {
    color: var(--success-color);
    font-size: 1.25rem;
}

.pricing-table .cross {
    color: var(--text-light);
    font-size: 1.25rem;
}

/* ========== Contact Page ========== */
.contact-section {
    padding: 80px 0 120px;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
}

.contact-info {
    padding: 48px;
    background: var(--bg-dark);
    border-radius: var(--radius-lg);
    color: white;
}

.contact-info h3 {
    color: white;
    font-size: 1.5rem;
    margin-bottom: 32px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 28px;
}

.contact-item-icon {
    width: 48px;
    height: 48px;
    background: rgba(59, 130, 246, 0.2);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    flex-shrink: 0;
}

.contact-item-text h4 {
    color: white;
    font-size: 1rem;
    margin-bottom: 4px;
}

.contact-item-text p {
    color: var(--text-light);
    font-size: 0.95rem;
}

.contact-form {
    background: white;
    padding: 48px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.contact-form h3 {
    font-size: 1.5rem;
    margin-bottom: 32px;
}

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

.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: 8px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

/* ========== About Page ========== */
.about-content {
    padding: 80px 0 120px;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    margin-bottom: 120px;
}

.about-text h3 {
    font-size: 2rem;
    margin-bottom: 24px;
}

.about-text p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 16px;
}

.about-values {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    margin-top: 40px;
}

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

.value-icon {
    width: 48px;
    height: 48px;
    background: var(--primary-lighter);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    flex-shrink: 0;
}

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

.value-text p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.about-visual {
    background: var(--primary-lighter);
    border-radius: var(--radius-lg);
    padding: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.about-icon-large {
    width: 160px;
    height: 160px;
    background: var(--bg-gradient);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 80px;
    color: white;
}

/* Timeline */
.timeline {
    padding: 80px 0 120px;
    background: var(--bg-main);
}

.timeline h2 {
    text-align: center;
    margin-bottom: 60px;
}

.timeline-items {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.timeline-items::before {
    content: '';
    position: absolute;
    left: 24px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border-color);
}

.timeline-item {
    position: relative;
    padding-left: 72px;
    margin-bottom: 48px;
}

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

.timeline-dot {
    position: absolute;
    left: 12px;
    top: 4px;
    width: 26px;
    height: 26px;
    background: var(--primary-color);
    border-radius: 50%;
    border: 4px solid white;
    box-shadow: var(--shadow-md);
}

.timeline-content {
    background: white;
    padding: 24px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.timeline-content h4 {
    color: var(--primary-color);
    margin-bottom: 8px;
}

.timeline-content p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* ========== Responsive Design ========== */
@media (max-width: 1024px) {
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }

    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-content {
        order: 1;
    }

    .hero-visual {
        order: 2;
    }

    .hero-subtitle {
        margin: 0 auto 32px;
    }

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

    .hero-features {
        justify-content: center;
        flex-wrap: wrap;
    }

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

    .local-grid {
        grid-template-columns: 1fr;
        gap: 60px;
    }

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

    .editions-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin: 0 auto;
    }

    .edition-card.popular {
        transform: none;
    }

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

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

    .feature-row:nth-child(even) {
        direction: ltr;
    }

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

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

@media (max-width: 768px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }

    .nav-menu {
        display: none;
    }

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

    .hero-title {
        font-size: 2.5rem;
    }

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

    .hero-features {
        flex-direction: column;
        align-items: center;
        gap: 20px;
    }

    .trust-items {
        flex-direction: column;
        gap: 32px;
        align-items: center;
    }

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

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

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

    .footer-brand .logo {
        justify-content: center;
    }

    .footer-social {
        justify-content: center;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 20px;
    }

    .cta h2 {
        font-size: 2rem;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .about-values {
        grid-template-columns: 1fr;
    }

    .pricing-table {
        font-size: 0.875rem;
    }

    .pricing-table th,
    .pricing-table td {
        padding: 12px 8px;
    }
}

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

    .hero {
        padding-top: 100px;
    }

    .hero-title {
        font-size: 2rem;
    }

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

    .page-header {
        padding: 140px 0 60px;
    }

    .page-header h1 {
        font-size: 2rem;
    }
}

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

.animate-fadeInUp {
    animation: fadeInUp 0.6s ease forwards;
}

.animate-delay-1 { animation-delay: 0.1s; }
.animate-delay-2 { animation-delay: 0.2s; }
.animate-delay-3 { animation-delay: 0.3s; }
.animate-delay-4 { animation-delay: 0.4s; }
.animate-delay-5 { animation-delay: 0.5s; }