/* ============================================
   Spray Network - Professional Design System
   ============================================ */

:root {
    /* Colors */
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary: #0ea5e9;
    --dark: #0f172a;
    --dark-light: #1e293b;
    --gray-900: #111827;
    --gray-800: #1f2937;
    --gray-700: #374151;
    --gray-600: #4b5563;
    --gray-500: #6b7280;
    --gray-400: #9ca3af;
    --gray-300: #d1d5db;
    --gray-200: #e5e7eb;
    --gray-100: #f3f4f6;
    --gray-50: #f9fafb;
    --white: #ffffff;
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;

    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

    /* Spacing */
    --container-max: 1200px;
    --section-padding: 100px;

    /* Transitions */
    --transition: all 0.2s ease;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);

    /* Border Radius */
    --radius-sm: 4px;
    --radius: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
}

/* ============================================
   Reset & Base
   ============================================ */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    color: var(--gray-700);
    background: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a:hover {
    color: var(--primary-dark);
}

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

ul, ol {
    list-style: none;
}

/* ============================================
   Container
   ============================================ */

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

/* ============================================
   Navigation
   ============================================ */

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gray-200);
}

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

.nav-logo img {
    display: block;
}

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

.nav-links a {
    color: var(--gray-600);
    font-weight: 500;
    font-size: 15px;
}

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

/* Sub Navigation */
.nav-sub {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    z-index: 999;
    background: var(--gray-50);
    border-bottom: 1px solid var(--gray-200);
}

.nav-sub-container {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 24px;
    padding: 8px 0;
    padding-right: 20px;
}

.nav-sub a {
    color: var(--gray-600);
    font-size: 13px;
    font-weight: 500;
}

.nav-sub a:hover {
    color: var(--primary);
}

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

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

.nav-mobile-toggle span {
    width: 24px;
    height: 2px;
    background: var(--gray-700);
    transition: var(--transition);
}

/* ============================================
   Buttons
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 600;
    border-radius: var(--radius);
    border: none;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

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

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

.btn-outline {
    background: transparent;
    color: var(--gray-700);
    border: 1px solid var(--gray-300);
}

.btn-outline:hover {
    background: var(--gray-50);
    border-color: var(--gray-400);
    color: var(--gray-900);
}

.btn-ghost {
    background: transparent;
    color: var(--gray-600);
}

.btn-ghost:hover {
    background: var(--gray-100);
    color: var(--gray-900);
}

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

.btn-white:hover {
    background: var(--gray-100);
    color: var(--primary-dark);
}

.btn-outline-white {
    background: transparent;
    color: var(--white);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-outline-white:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
    color: var(--white);
}

.btn-lg {
    padding: 14px 28px;
    font-size: 16px;
}

.btn-block {
    width: 100%;
}

/* ============================================
   Hero Section
   ============================================ */

.hero {
    padding: 190px 0 100px;
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 100%);
}

.hero .container {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.hero-badge {
    display: inline-block;
    padding: 6px 14px;
    background: var(--primary);
    color: var(--white);
    font-size: 13px;
    font-weight: 600;
    border-radius: 50px;
    margin-bottom: 24px;
}

.hero-title {
    font-size: 56px;
    font-weight: 700;
    line-height: 1.1;
    color: var(--dark);
    margin-bottom: 24px;
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 20px;
    color: var(--gray-600);
    margin-bottom: 32px;
    line-height: 1.6;
}

.hero-content {
    max-width: 720px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    margin-bottom: 32px;
    justify-content: center;
}

/* ============================================
   Hero Video Placeholder
   ============================================ */

.hero-video {
    width: 100%;
    max-width: 720px;
    margin: 0 auto;
}

#heroVideo {
    width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl), 0 0 60px rgba(99, 102, 241, 0.1);
    border: 1px solid var(--gray-800);
    background: var(--dark);
}

/* ============================================
   Language Switcher
   ============================================ */

.lang-switcher {
    display: flex;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    overflow: hidden;
    margin-right: 8px;
}

.lang-btn {
    padding: 6px 12px;
    font-size: 13px;
    font-weight: 600;
    border: none;
    background: transparent;
    color: var(--gray-500);
    cursor: pointer;
    transition: var(--transition);
}

.lang-btn:hover {
    background: var(--gray-100);
    color: var(--gray-700);
}

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

.hero-install {
    display: inline-flex;
    align-items: center;
    gap: 16px;
    background: var(--dark);
    padding: 12px 20px;
    border-radius: var(--radius);
}

.hero-install code {
    color: var(--gray-300);
    font-family: var(--font-mono);
    font-size: 14px;
}

.copy-btn {
    background: var(--gray-700);
    color: var(--gray-300);
    border: none;
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.copy-btn:hover {
    background: var(--gray-600);
    color: var(--white);
}

/* ============================================
   Code Window
   ============================================ */

.code-window {
    background: var(--dark);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.code-header {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    background: var(--dark-light);
    border-bottom: 1px solid var(--gray-800);
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    margin-right: 8px;
}

.dot.red { background: #ff5f56; }
.dot.yellow { background: #ffbd2e; }
.dot.green { background: #27ca40; }

.code-title {
    margin-left: 12px;
    color: var(--gray-500);
    font-size: 13px;
    font-family: var(--font-mono);
}

.code-content {
    padding: 24px;
    margin: 0;
    overflow-x: auto;
}

.code-content code {
    font-family: var(--font-mono);
    font-size: 14px;
    line-height: 1.7;
    color: var(--gray-300);
}

/* Syntax Highlighting */
.keyword { color: #c678dd; }
.string { color: #98c379; }
.comment { color: #5c6370; font-style: italic; }
.variable { color: #e5c07b; }
.number { color: #d19a66; }

/* ============================================
   Trust Bar
   ============================================ */

.trust-bar {
    padding: 40px 0;
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
}

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

.trust-item {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--gray-600);
    font-size: 14px;
    font-weight: 500;
}

.trust-icon {
    width: 24px;
    height: 24px;
    color: var(--primary);
}

/* ============================================
   Section Headers
   ============================================ */

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 60px;
}

.section-header.light {
    color: var(--white);
}

.section-header.light .section-title {
    color: var(--white);
}

.section-header.light .section-description {
    color: rgba(255, 255, 255, 0.7);
}

.section-label {
    display: inline-block;
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--primary);
    margin-bottom: 16px;
}

.section-header.light .section-label {
    color: var(--primary-light);
}

.section-title {
    font-size: 40px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 16px;
}

.section-description {
    font-size: 18px;
    color: var(--gray-600);
}

/* ============================================
   Features Section
   ============================================ */

.features {
    padding: var(--section-padding) 0;
    background: var(--white);
}

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

.feature-card {
    padding: 32px;
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

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

.feature-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary);
    border-radius: var(--radius);
    margin-bottom: 20px;
}

.feature-icon svg {
    width: 24px;
    height: 24px;
    color: var(--white);
}

.feature-card h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--gray-600);
    line-height: 1.6;
}

/* ============================================
   SDKs Section
   ============================================ */

.sdks {
    padding: var(--section-padding) 0;
    background: var(--gray-50);
}

.sdk-tabs {
    max-width: 800px;
    margin: 0 auto;
}

.sdk-tab-buttons {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 24px;
}

.sdk-tab-btn {
    padding: 10px 24px;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 500;
    color: var(--gray-600);
    cursor: pointer;
    transition: var(--transition);
}

.sdk-tab-btn:hover {
    border-color: var(--gray-300);
    color: var(--gray-900);
}

.sdk-tab-btn.active {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--white);
}

.sdk-panel {
    display: none;
}

.sdk-panel.active {
    display: block;
}

/* ============================================
   Regions Section
   ============================================ */

.regions {
    padding: var(--section-padding) 0;
    background: var(--white);
}

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

.region-card {
    text-align: center;
    padding: 32px 20px;
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

.region-card:hover {
    background: var(--white);
    box-shadow: var(--shadow-md);
}

.region-flag {
    font-size: 48px;
    display: block;
    margin-bottom: 16px;
}

.region-card h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 4px;
}

.region-card p {
    font-size: 14px;
    color: var(--gray-500);
    margin-bottom: 12px;
}

.region-status {
    display: inline-block;
    padding: 4px 12px;
    font-size: 12px;
    font-weight: 600;
    border-radius: 50px;
}

.region-status.available {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
}

.region-status.coming {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning);
}

.regions-note {
    text-align: center;
    margin-top: 40px;
    color: var(--gray-500);
}

.regions-note a {
    font-weight: 500;
}

/* ============================================
   Use Cases Section
   ============================================ */

.use-cases {
    padding: var(--section-padding) 0;
    background: var(--dark);
}

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

.use-case-card {
    padding: 32px;
}

.use-case-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(99, 102, 241, 0.2);
    border-radius: var(--radius);
    margin-bottom: 20px;
}

.use-case-icon svg {
    width: 28px;
    height: 28px;
    color: var(--primary-light);
}

.use-case-card h3 {
    font-size: 22px;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 12px;
}

.use-case-card p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 16px;
    line-height: 1.6;
}

.use-case-card code {
    display: inline-block;
    padding: 8px 14px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--primary-light);
}

/* ============================================
   Pricing Section
   ============================================ */

.pricing,
.pricing-section {
    padding: var(--section-padding) 0;
    background: var(--gray-50);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: 1100px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: 32px;
    border: 1px solid var(--gray-200);
    position: relative;
    transition: var(--transition);
    text-align: center;
}

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

.pricing-card.featured {
    border-color: var(--primary);
    box-shadow: var(--shadow-lg);
}

.pricing-card h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 12px;
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: var(--white);
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 600;
}

.pricing-price {
    font-size: 40px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 24px;
}

.pricing-price span {
    font-size: 16px;
    font-weight: 500;
    color: var(--gray-500);
}

.pricing-features {
    margin-bottom: 24px;
    text-align: left;
}

.pricing-features li {
    padding: 8px 0;
    padding-left: 24px;
    position: relative;
    color: var(--gray-700);
    font-size: 14px;
}

.pricing-features li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 8px;
    height: 8px;
    background: var(--success);
    border-radius: 50%;
}

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

/* ============================================
   Comparison Section
   ============================================ */

.comparison {
    padding: var(--section-padding) 0;
    background: var(--white);
}

.comparison-table-wrapper {
    overflow-x: auto;
}

.comparison-table {
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    border-collapse: collapse;
}

.comparison-table th,
.comparison-table td {
    padding: 16px 24px;
    text-align: center;
    border-bottom: 1px solid var(--gray-200);
}

.comparison-table th {
    font-weight: 600;
    color: var(--gray-600);
    background: var(--gray-50);
}

.comparison-table th.highlight {
    background: var(--primary);
    color: var(--white);
}

.comparison-table td:first-child {
    text-align: left;
    font-weight: 500;
    color: var(--gray-700);
}

.comparison-table td.highlight {
    background: rgba(99, 102, 241, 0.05);
}

.comparison-table .yes {
    color: var(--success);
    font-weight: 600;
}

.comparison-table .no {
    color: var(--error);
}

/* ============================================
   CTA Section
   ============================================ */

.cta {
    padding: var(--section-padding) 0;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    text-align: center;
}

.cta h2 {
    font-size: 40px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 16px;
}

.cta p {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 32px;
}

.cta-actions {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 32px;
}

.cta-install {
    display: inline-block;
    padding: 16px 32px;
    background: rgba(0, 0, 0, 0.2);
    border-radius: var(--radius);
}

.cta-install code {
    color: var(--white);
    font-family: var(--font-mono);
    font-size: 16px;
}

/* ============================================
   Logo Text
   ============================================ */

.logo-text {
    font-size: 24px;
    font-weight: 700;
    color: var(--dark);
}

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

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.nav-logo img {
    height: 32px;
    width: auto;
    object-fit: contain;
}

.footer-logo {
    filter: brightness(0) invert(1);
    opacity: 0.9;
}


/* ============================================
   How It Works / Steps
   ============================================ */

.how-it-works {
    padding: var(--section-padding) 0;
    background: var(--gray-50);
}

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

.step-card {
    background: var(--white);
    padding: 32px 24px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    text-align: center;
    transition: var(--transition);
}

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

.step-number {
    width: 48px;
    height: 48px;
    background: var(--primary);
    color: var(--white);
    font-size: 20px;
    font-weight: 700;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.step-card h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 12px;
}

.step-card p {
    color: var(--gray-600);
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 16px;
}

.step-visual {
    background: var(--gray-100);
    padding: 10px 14px;
    border-radius: var(--radius-sm);
}

.step-visual code {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--primary-dark);
}

/* ============================================
   API Section
   ============================================ */

.api-section {
    padding: var(--section-padding) 0;
    background: var(--white);
}

.api-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.api-card {
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.api-card h3 {
    padding: 20px 24px;
    font-size: 16px;
    font-weight: 600;
    color: var(--dark);
    background: var(--gray-100);
    border-bottom: 1px solid var(--gray-200);
}

.api-card .code-block {
    margin: 0;
    border-radius: 0;
}

.api-card .code-block pre {
    padding: 20px 24px;
    margin: 0;
    background: var(--dark);
}

.api-card .code-block code {
    font-family: var(--font-mono);
    font-size: 13px;
    line-height: 1.7;
    color: var(--gray-300);
}

/* ============================================
   Architecture Section
   ============================================ */

.architecture {
    padding: var(--section-padding) 0;
    background: var(--dark);
}

.arch-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 60px;
}

.arch-card {
    background: var(--dark-light);
    padding: 32px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-800);
}

.arch-card h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 12px;
}

.arch-card p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 16px;
}

.arch-card ul {
    list-style: none;
}

.arch-card ul li {
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
    padding: 6px 0;
    padding-left: 20px;
    position: relative;
}

.arch-card ul li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    background: var(--primary);
    border-radius: 50%;
}

.arch-diagram {
    background: var(--dark-light);
    border-radius: var(--radius-lg);
    padding: 40px;
    border: 1px solid var(--gray-800);
}

.arch-layer {
    display: flex;
    align-items: center;
    gap: 24px;
    margin-bottom: 20px;
}

.layer-label {
    width: 100px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--gray-500);
}

.layer-boxes {
    display: flex;
    gap: 16px;
    flex: 1;
}

.layer-box {
    flex: 1;
    padding: 16px 24px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--gray-700);
    border-radius: var(--radius);
    text-align: center;
    color: var(--white);
    font-size: 14px;
    font-weight: 500;
}

.layer-box.node-box {
    background: rgba(99, 102, 241, 0.1);
    border-color: var(--primary);
}

.layer-box small {
    display: block;
    color: var(--gray-500);
    font-size: 11px;
    margin-top: 4px;
}

.arch-arrow {
    text-align: center;
    color: var(--primary);
    font-weight: 600;
    font-size: 14px;
    padding: 16px 0;
}

/* ============================================
   Why Spray Network Section
   ============================================ */

.why-section {
    padding: var(--section-padding) 0;
    background: var(--gray-50);
}

.differentiators {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.diff-card {
    background: var(--white);
    padding: 32px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
    transition: var(--transition);
}

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

.diff-card.primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border: none;
    color: var(--white);
}

.diff-card.primary .diff-icon {
    background: rgba(255, 255, 255, 0.2);
}

.diff-card.primary .diff-icon svg {
    color: var(--white);
}

.diff-card.primary h3 {
    color: var(--white);
}

.diff-card.primary p {
    color: rgba(255, 255, 255, 0.85);
}

.diff-card.primary .diff-detail {
    background: rgba(0, 0, 0, 0.2);
    color: rgba(255, 255, 255, 0.9);
}

.diff-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-100);
    border-radius: var(--radius);
    margin-bottom: 20px;
}

.diff-icon svg {
    width: 24px;
    height: 24px;
    color: var(--primary);
}

.diff-card h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 12px;
}

.diff-card p {
    color: var(--gray-600);
    line-height: 1.6;
    margin-bottom: 16px;
}

.diff-detail {
    background: var(--gray-100);
    padding: 12px 16px;
    border-radius: var(--radius);
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--gray-700);
}

/* Comparison Section */
.comparison-section {
    padding: var(--section-padding) 0;
    background: var(--white);
}


/* ============================================
   Roadmap Section
   ============================================ */

.roadmap {
    padding: var(--section-padding) 0;
    background: var(--gray-50);
}

.roadmap-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.roadmap-card {
    background: var(--white);
    padding: 32px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
    transition: var(--transition);
}

.roadmap-card:hover {
    box-shadow: var(--shadow-md);
}

.roadmap-card.current {
    border-color: var(--primary);
    background: rgba(99, 102, 241, 0.03);
}

.roadmap-status {
    display: inline-block;
    padding: 4px 12px;
    font-size: 12px;
    font-weight: 600;
    border-radius: 50px;
    background: var(--gray-100);
    color: var(--gray-600);
    margin-bottom: 16px;
}

.roadmap-card.current .roadmap-status {
    background: var(--primary);
    color: var(--white);
}

.roadmap-card h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 16px;
}

.roadmap-card ul {
    list-style: none;
}

.roadmap-card ul li {
    color: var(--gray-600);
    font-size: 14px;
    padding: 8px 0;
    padding-left: 24px;
    position: relative;
}

.roadmap-card ul li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 8px;
    height: 8px;
    border: 2px solid var(--gray-400);
    border-radius: 50%;
}

.roadmap-card.current ul li::before {
    background: var(--success);
    border-color: var(--success);
}

/* ============================================
   Simple Footer
   ============================================ */

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 40px;
}

.footer-brand {
    max-width: 300px;
}

.footer-brand p {
    margin-top: 12px;
    font-size: 14px;
    line-height: 1.6;
}

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

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

.footer-links a {
    color: var(--gray-400);
    font-size: 14px;
}

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

/* ============================================
   Responsive for new sections
   ============================================ */

@media (max-width: 1024px) {
    .steps-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

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

}

@media (max-width: 768px) {
    .steps-grid,
    .api-grid,
    .arch-grid,
    .roadmap-grid,
    .differentiators {
        grid-template-columns: 1fr;
    }

    .arch-layer {
        flex-direction: column;
        gap: 12px;
    }

    .layer-label {
        width: auto;
    }

    .layer-boxes {
        flex-wrap: wrap;
    }

    .footer-content {
        flex-direction: column;
        gap: 32px;
    }

    .footer-links {
        flex-wrap: wrap;
    }
}

/* ============================================
   Footer
   ============================================ */

.footer {
    padding: 80px 0 40px;
    background: var(--dark);
    color: var(--gray-400);
}

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

.footer-brand p {
    margin: 20px 0;
    font-size: 14px;
    line-height: 1.7;
}

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

.footer-social a {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-800);
    border-radius: var(--radius);
    color: var(--gray-400);
    transition: var(--transition);
}

.footer-social a:hover {
    background: var(--gray-700);
    color: var(--white);
}

.footer-social svg {
    width: 18px;
    height: 18px;
}

.footer-links h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

.footer-links a {
    color: var(--gray-400);
    font-size: 14px;
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    padding-top: 40px;
    border-top: 1px solid var(--gray-800);
    font-size: 14px;
}

/* ============================================
   Responsive Design
   ============================================ */

@media (max-width: 1024px) {
    .hero-title {
        font-size: 44px;
    }

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

    .regions-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .footer-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 60px;
    }

    .nav-links {
        display: none;
    }

    .nav-actions .btn {
        display: none;
    }

    .nav-mobile-toggle {
        display: flex;
    }

    .hero {
        padding: 150px 0 60px;
    }

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

    .hero-description {
        font-size: 16px;
    }

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

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

    .section-title {
        font-size: 28px;
    }

    .features-grid,
    .use-cases-grid,
    .pricing-grid {
        grid-template-columns: 1fr;
    }

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

    .trust-items {
        gap: 30px;
    }

    .trust-item span {
        display: none;
    }

    .sdk-tab-buttons {
        flex-wrap: wrap;
    }

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

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

    .cta h2 {
        font-size: 28px;
    }

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