/* ===== CSS Variables ===== */
:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary: #0ea5e9;
    --accent: #f59e0b;
    
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--text-primary);
    background: var(--bg-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

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

/* ===== Navigation ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 700;
    font-size: 1.25rem;
}

.logo-icon {
    font-size: 1.5rem;
    color: var(--primary);
}

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

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

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

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--primary);
    border-radius: 2px;
}

/* ===== Hero Section ===== */
.hero {
    padding: 140px 24px 80px;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 80px;
    max-width: 1200px;
    margin: 0 auto;
}

.hero-content {
    flex: 1;
    max-width: 540px;
}

.hero-badge {
    display: inline-block;
    padding: 8px 16px;
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
    color: white;
    border-radius: 100px;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 24px;
}

.hero-title {
    font-size: 4rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 20px;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    line-height: 1.8;
}

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    border-radius: var(--radius-md);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    box-shadow: 0 4px 14px rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.5);
}

.btn-secondary {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--bg-tertiary);
    border-color: var(--primary-light);
}

.btn-light {
    background: white;
    color: var(--primary);
    font-weight: 600;
}

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

/* ===== Phone Mockup ===== */
.hero-visual {
    flex: 1;
    display: flex;
    justify-content: center;
}

.phone-mockup {
    width: 280px;
    height: 580px;
    background: linear-gradient(145deg, #1a1a2e 0%, #16213e 100%);
    border-radius: 40px;
    padding: 12px;
    box-shadow: var(--shadow-xl), 0 0 60px rgba(99, 102, 241, 0.2);
    position: relative;
}

.phone-mockup::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 24px;
    background: #000;
    border-radius: 12px;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, #1e1e2e 0%, #252540 100%);
    border-radius: 32px;
    overflow: hidden;
    padding: 48px 16px 16px;
}

.mock-header {
    text-align: center;
    color: white;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 20px;
}

.mock-calendar {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    padding: 16px;
    margin-bottom: 20px;
}

.mock-month {
    color: white;
    font-weight: 600;
    text-align: center;
    margin-bottom: 12px;
}

.mock-days {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 4px;
    margin-bottom: 8px;
}

.mock-days span {
    color: var(--text-muted);
    font-size: 0.75rem;
    text-align: center;
}

.mock-dates {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 4px;
}

.mock-dates span {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.75rem;
    text-align: center;
    padding: 6px;
    border-radius: 50%;
}

.mock-dates span.active {
    background: var(--primary);
    color: white;
}

.mock-timeline {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.mock-event {
    padding: 12px 16px;
    border-radius: 10px;
    color: white;
    font-size: 0.875rem;
    font-weight: 500;
}

.event-work {
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
}

.event-life {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
}

.event-important {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
}

/* ===== Features Section ===== */
.features {
    padding: 100px 0;
    background: var(--bg-secondary);
}

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

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-primary);
}

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

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

.feature-card {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    border: 1px solid var(--border-color);
    transition: var(--transition);
    position: relative;
}

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

.feature-card.featured {
    border: 2px solid var(--primary);
    box-shadow: var(--shadow-lg);
}

.feature-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: white;
    padding: 6px 16px;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
}

.feature-icon {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.feature-icon svg {
    width: 32px;
    height: 32px;
}

.timeline-icon {
    background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%);
    color: #2563eb;
}

.reminder-icon {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    color: #d97706;
}

.space-icon {
    background: linear-gradient(135deg, #d1fae5 0%, #a7f3d0 100%);
    color: #059669;
}

.feature-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.feature-desc {
    color: var(--text-secondary);
    margin-bottom: 24px;
    line-height: 1.7;
}

.feature-list {
    list-style: none;
}

.feature-list li {
    padding: 8px 0;
    color: var(--text-secondary);
    position: relative;
    padding-left: 24px;
}

.feature-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: 600;
}

/* ===== Highlights Section ===== */
.highlights {
    padding: 80px 0;
    background: var(--bg-primary);
}

.highlight-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
}

.highlight-item {
    text-align: center;
    padding: 32px 24px;
    border-radius: var(--radius-lg);
    background: var(--bg-secondary);
    transition: var(--transition);
}

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

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

.highlight-label {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

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

/* ===== CTA Section ===== */
.cta {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
}

.cta-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

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

.cta-desc {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 32px;
}

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

/* ===== Footer ===== */
.footer {
    padding: 48px 0;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.25rem;
}

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

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

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

.footer-copyright {
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* ===== Support Page ===== */
.support-hero {
    padding: 140px 24px 60px;
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
    text-align: center;
}

.support-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.support-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
}

.support-content {
    padding: 60px 0 100px;
}

.support-grid {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 48px;
}

.support-main {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.support-card {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    padding: 40px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.support-card-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.support-card-icon svg {
    width: 32px;
    height: 32px;
    color: white;
}

.support-card-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.support-card-desc {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 24px;
}

.email-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 20px 24px;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    text-decoration: none;
    margin-bottom: 20px;
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.email-link:hover {
    border-color: var(--primary);
    background: var(--bg-tertiary);
}

.email-icon {
    font-size: 1.5rem;
}

.email-address {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--primary);
}

.copy-email {
    width: 100%;
}

.support-checklist {
    list-style: none;
}

.support-checklist li {
    display: flex;
    gap: 16px;
    padding: 16px 0;
    border-bottom: 1px solid var(--border-color);
}

.support-checklist li:last-child {
    border-bottom: none;
}

.check-icon {
    width: 24px;
    height: 24px;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 600;
    flex-shrink: 0;
}

.check-content strong {
    display: block;
    margin-bottom: 4px;
    color: var(--text-primary);
}

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

/* ===== FAQ Section ===== */
.support-sidebar {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.faq-card {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    padding: 32px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.faq-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 24px;
    color: var(--text-primary);
}

.faq-item {
    border-bottom: 1px solid var(--border-color);
}

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

.faq-question {
    width: 100%;
    padding: 16px 0;
    background: none;
    border: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    text-align: left;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-primary);
    transition: var(--transition);
}

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

.faq-arrow {
    font-size: 1.25rem;
    color: var(--text-muted);
    transition: var(--transition);
}

.faq-item.active .faq-arrow {
    transform: rotate(90deg);
    color: var(--primary);
}

.faq-answer {
    display: none;
    padding-bottom: 16px;
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.7;
}

.faq-item.active .faq-answer {
    display: block;
}

.faq-answer ul {
    margin-top: 8px;
    padding-left: 20px;
}

.faq-answer li {
    margin-bottom: 4px;
}

.response-time-card {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-radius: var(--radius-lg);
    padding: 32px;
    text-align: center;
    color: white;
}

.response-icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.response-time-card h4 {
    font-size: 1.125rem;
    margin-bottom: 8px;
}

.response-time-card p {
    font-size: 0.875rem;
    opacity: 0.9;
}

.response-time-card strong {
    font-weight: 700;
}

/* ===== Privacy Page ===== */
.privacy-hero {
    padding: 140px 24px 60px;
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
    text-align: center;
}

.privacy-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.privacy-subtitle {
    font-size: 1rem;
    color: var(--text-secondary);
}

.privacy-content {
    padding: 60px 0 100px;
}

.privacy-wrapper {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 60px;
}

.privacy-nav {
    position: sticky;
    top: 100px;
    height: fit-content;
}

.privacy-nav h3 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 16px;
}

.privacy-nav ul {
    list-style: none;
}

.privacy-nav li {
    margin-bottom: 8px;
}

.privacy-nav a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9375rem;
    transition: var(--transition);
    display: block;
    padding: 8px 0;
    border-left: 2px solid transparent;
    padding-left: 16px;
    margin-left: -16px;
}

.privacy-nav a:hover {
    color: var(--primary);
    border-left-color: var(--primary);
}

.privacy-main {
    max-width: 800px;
}

.privacy-section {
    margin-bottom: 48px;
    scroll-margin-top: 100px;
}

.privacy-section h2 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--border-color);
}

.privacy-section h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 24px 0 12px;
}

.privacy-section p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 16px;
}

.privacy-section ul {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 16px;
    padding-left: 24px;
}

.privacy-section li {
    margin-bottom: 8px;
}

.highlight-box {
    display: flex;
    gap: 20px;
    padding: 24px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(99, 102, 241, 0.05) 100%);
    border-radius: var(--radius-md);
    border: 1px solid rgba(99, 102, 241, 0.2);
    margin: 24px 0;
}

.highlight-box .highlight-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.highlight-box .highlight-text strong {
    display: block;
    color: var(--text-primary);
    font-size: 1.125rem;
    margin-bottom: 8px;
}

.highlight-box .highlight-text p {
    margin: 0;
}

.usage-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin: 24px 0;
}

.usage-item {
    display: flex;
    gap: 16px;
    padding: 20px;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.usage-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.usage-item strong {
    display: block;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.usage-item p {
    margin: 0;
    font-size: 0.875rem;
}

.storage-table {
    width: 100%;
    border-collapse: collapse;
    margin: 24px 0;
    font-size: 0.9375rem;
}

.storage-table th,
.storage-table td {
    padding: 16px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.storage-table th {
    background: var(--bg-secondary);
    font-weight: 600;
    color: var(--text-primary);
}

.storage-table td {
    color: var(--text-secondary);
}

.info-box {
    padding: 20px;
    background: #fef3c7;
    border-radius: var(--radius-md);
    border: 1px solid #fcd34d;
    color: #92400e;
    margin: 24px 0;
}

.info-box strong {
    color: #78350f;
}

.check-list {
    list-style: none;
    padding-left: 0 !important;
}

.check-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.check-list .check {
    color: #10b981;
    font-weight: 600;
    flex-shrink: 0;
}

.permission-card {
    padding: 24px;
    background: var(--bg-primary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    margin: 16px 0;
}

.permission-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.permission-icon {
    font-size: 1.5rem;
}

.permission-header h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
    flex: 1;
}

.permission-badge {
    padding: 4px 12px;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
}

.permission-badge.optional {
    background: #dbeafe;
    color: #1d4ed8;
}

.permission-badge.required {
    background: #fee2e2;
    color: #b91c1c;
}

.permission-card p {
    margin: 8px 0;
    font-size: 0.9375rem;
}

.contact-email {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 16px 24px;
    background: var(--primary);
    color: white;
    text-decoration: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    transition: var(--transition);
    margin: 16px 0;
}

.contact-email:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

.contact-icon {
    font-size: 1.25rem;
}

.response-note {
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* ===== Responsive Design ===== */
@media (max-width: 1024px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding-top: 120px;
        gap: 60px;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .feature-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin: 0 auto;
    }
    
    .highlight-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .support-grid {
        grid-template-columns: 1fr;
    }
    
    .support-sidebar {
        order: -1;
    }
    
    .privacy-wrapper {
        grid-template-columns: 1fr;
    }
    
    .privacy-nav {
        position: static;
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
        padding-bottom: 24px;
        border-bottom: 1px solid var(--border-color);
        margin-bottom: 24px;
    }
    
    .privacy-nav h3 {
        width: 100%;
        margin-bottom: 8px;
    }
    
    .privacy-nav ul {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
    }
    
    .privacy-nav li {
        margin: 0;
    }
    
    .privacy-nav a {
        padding: 8px 16px;
        border: 1px solid var(--border-color);
        border-radius: var(--radius-sm);
        margin-left: 0;
        border-left: 1px solid var(--border-color);
    }
    
    .privacy-nav a:hover {
        border-color: var(--primary);
        background: rgba(99, 102, 241, 0.05);
    }
    
    .usage-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .phone-mockup {
        width: 240px;
        height: 500px;
    }
    
    .highlight-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-title {
        font-size: 2rem;
    }
    
    .support-title {
        font-size: 2rem;
    }
    
    .support-card {
        padding: 24px;
    }
    
    .faq-card {
        padding: 24px;
    }
}

@media (max-width: 480px) {
    .nav-links {
        gap: 16px;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
}

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

.hero-content,
.hero-visual,
.feature-card,
.highlight-item {
    animation: fadeInUp 0.6s ease-out forwards;
}

.feature-card:nth-child(1) { animation-delay: 0.1s; }
.feature-card:nth-child(2) { animation-delay: 0.2s; }
.feature-card:nth-child(3) { animation-delay: 0.3s; }

.highlight-item:nth-child(1) { animation-delay: 0.1s; }
.highlight-item:nth-child(2) { animation-delay: 0.15s; }
.highlight-item:nth-child(3) { animation-delay: 0.2s; }
.highlight-item:nth-child(4) { animation-delay: 0.25s; }

/* ===== Toast Notification ===== */
.toast {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--text-primary);
    color: white;
    padding: 16px 24px;
    border-radius: var(--radius-md);
    font-weight: 500;
    box-shadow: var(--shadow-xl);
    opacity: 0;
    transition: all 0.3s ease;
    z-index: 9999;
}

.toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}