/* ============================================
   SeismicAI Website Styles
   Mobile-First Responsive Design
   ============================================ */

/* ============================================
   CSS Variables & Color System
   ============================================ */
:root {
    /* Brand Colors */
    --color-primary: #FF6B35;        /* Alert Orange */
    --color-secondary: #004E89;      /* Trust Blue */
    --color-success: #2A9D8F;        /* Safety Green */
    --color-danger: #E63946;         /* Warning Red */
    --color-warning: #F77F00;        /* Orange Warning */
    
    /* Neutral Colors */
    --color-dark: #1A1A2E;
    --color-dark-light: #2C2C3E;
    --color-gray: #6B7280;
    --color-gray-light: #9CA3AF;
    --color-gray-lighter: #E5E7EB;
    --color-light: #F9FAFB;
    --color-white: #FFFFFF;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 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);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;
    
    /* Z-index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal: 1040;
    --z-popover: 1050;
    --z-tooltip: 1060;
}

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

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

body {
    font-family: var(--font-primary);
    font-weight: var(--font-weight-normal);
    line-height: 1.6;
    color: var(--color-dark);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

ul, ol {
    list-style: none;
}

/* ============================================
   Loading Overlay
   ============================================ */
#loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--color-white);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity var(--transition-base), visibility var(--transition-base);
}

#loading-overlay.hidden {
    opacity: 0;
    visibility: hidden;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--color-gray-lighter);
    border-top: 4px solid var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loading-text {
    margin-top: var(--spacing-md);
    color: var(--color-gray);
    font-size: 0.875rem;
}

/* ============================================
   Container & Layout
   ============================================ */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

@media (min-width: 768px) {
    .container {
        padding: 0 var(--spacing-lg);
    }
}

.section {
    padding: var(--spacing-2xl) 0;
}

@media (min-width: 768px) {
    .section {
        padding: var(--spacing-3xl) 0;
    }
}

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-2xl);
}

.section-header h2 {
    font-size: 2rem;
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-sm);
    color: var(--color-dark);
}

@media (min-width: 768px) {
    .section-header h2 {
        font-size: 2.5rem;
    }
}

.section-header p {
    font-size: 1.125rem;
    color: var(--color-gray);
}

/* ============================================
   Navigation
   ============================================ */
.navbar {
    position: sticky;
    top: 0;
    width: 100%;
    background: var(--color-white);
    box-shadow: var(--shadow-sm);
    z-index: var(--z-sticky);
    transition: box-shadow var(--transition-base);
}

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

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
}

.nav-brand i {
    font-size: 1.75rem;
}

.nav-toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    width: 30px;
    height: 24px;
    padding: 0;
}

.nav-toggle span {
    display: block;
    width: 100%;
    height: 3px;
    background: var(--color-dark);
    border-radius: var(--radius-full);
    transition: var(--transition-base);
}

.nav-toggle.active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

.nav-menu {
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    height: calc(100vh - 70px);
    background: var(--color-white);
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--spacing-lg);
    transform: translateX(-100%);
    transition: transform var(--transition-base);
}

.nav-menu.active {
    transform: translateX(0);
}

.nav-link {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 1.125rem;
    font-weight: var(--font-weight-medium);
    color: var(--color-dark);
    transition: color var(--transition-fast);
}

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

.lang-switch {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-md);
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--color-light);
    border-radius: var(--radius-full);
}

.lang-option {
    font-size: 0.875rem;
    font-weight: var(--font-weight-medium);
    color: var(--color-gray);
    cursor: pointer;
    transition: color var(--transition-fast);
}

.lang-option.active {
    color: var(--color-primary);
}

.lang-divider {
    color: var(--color-gray-light);
}

@media (min-width: 768px) {
    .nav-toggle {
        display: none;
    }
    
    .nav-menu {
        position: static;
        width: auto;
        height: auto;
        flex-direction: row;
        padding: 0;
        transform: translateX(0);
        gap: var(--spacing-sm);
    }
    
    .nav-link {
        font-size: 1rem;
        padding: var(--spacing-xs) var(--spacing-sm);
    }
    
    .lang-switch {
        margin-top: 0;
        margin-left: var(--spacing-sm);
    }
}

/* ============================================
   Floating CTA Button (Mobile)
   ============================================ */
.floating-cta {
    position: fixed;
    bottom: var(--spacing-md);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--color-primary);
    color: var(--color-white);
    font-size: 1rem;
    font-weight: var(--font-weight-semibold);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-xl);
    z-index: var(--z-fixed);
    transition: all var(--transition-base);
    animation: floatUp 0.3s ease;
}

@keyframes floatUp {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(100px);
    }
    to {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}

.floating-cta:hover {
    background: var(--color-danger);
    transform: translateX(-50%) translateY(-2px);
    box-shadow: 0 25px 35px -5px rgba(0, 0, 0, 0.15);
}

@media (min-width: 768px) {
    .floating-cta {
        display: none !important;
    }
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: var(--font-weight-semibold);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    cursor: pointer;
    border: 2px solid transparent;
}

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

.btn-primary:hover {
    background: var(--color-danger);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

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

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.btn-xl {
    padding: 1.25rem 2.5rem;
    font-size: 1.25rem;
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    position: relative;
    padding: var(--spacing-3xl) 0 var(--spacing-2xl);
    background: linear-gradient(135deg, #F9FAFB 0%, #E5E7EB 100%);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 30% 20%, rgba(255, 107, 53, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 70% 80%, rgba(0, 78, 137, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero .container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
    position: relative;
    z-index: 1;
}

.hero-content {
    flex: 1;
    text-align: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--color-white);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: var(--font-weight-medium);
    color: var(--color-primary);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--spacing-md);
}

.hero-badge.coming-soon {
    color: var(--color-warning);
}

.hero-badge.international {
    color: var(--color-secondary);
}

.hero-title {
    font-size: 2rem;
    font-weight: var(--font-weight-extrabold);
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--color-dark);
}

.city-name {
    display: block;
    color: var(--color-primary);
}

.hero-subtitle {
    font-size: 1.125rem;
    line-height: 1.6;
    color: var(--color-gray);
    margin-bottom: var(--spacing-lg);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-cta {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.hero-trust {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.trust-item {
    text-align: center;
}

.trust-number {
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
}

.trust-label {
    font-size: 0.875rem;
    color: var(--color-gray);
}

.hero-features-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    text-align: left;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.feature-check {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-dark);
}

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

.app-badges {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    max-width: 400px;
    margin: 0 auto;
}

.app-badge {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-dark);
    color: var(--color-white);
    border-radius: var(--radius-md);
    transition: transform var(--transition-fast);
}

.app-badge:hover {
    transform: scale(1.02);
}

.app-badge i {
    font-size: 2rem;
}

.app-badge small {
    font-size: 0.75rem;
}

.app-badge strong {
    font-size: 1rem;
}

.hero-visual {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
}

.phone-mockup {
    position: relative;
    width: 280px;
    height: 560px;
}

.phone-frame {
    width: 100%;
    height: 100%;
    border: 12px solid var(--color-dark);
    border-radius: 40px;
    background: var(--color-dark);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #1A1A2E 0%, #2C2C3E 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
}

.alert-demo {
    background: var(--color-danger);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    width: 100%;
    animation: pulse 2s ease infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.02); }
}

.alert-icon {
    font-size: 3rem;
    color: var(--color-white);
    text-align: center;
    margin-bottom: var(--spacing-sm);
    animation: shake 0.5s ease infinite;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

.alert-text {
    text-align: center;
    color: var(--color-white);
}

.alert-text h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xs);
}

.alert-text p {
    font-size: 0.875rem;
}

.alert-timer {
    font-size: 2.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-white);
    text-align: center;
    margin-top: var(--spacing-sm);
}

.safety-illustration {
    position: relative;
    width: 250px;
    height: 250px;
}

.safety-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 6rem;
    color: var(--color-secondary);
    z-index: 2;
}

.safety-circle {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 200px;
    height: 200px;
    border: 3px solid var(--color-success);
    border-radius: 50%;
}

.safety-circle.pulse {
    animation: pulsate 2s ease infinite;
}

@keyframes pulsate {
    0% { transform: translate(-50%, -50%) scale(1); opacity: 1; }
    100% { transform: translate(-50%, -50%) scale(1.4); opacity: 0; }
}

.safety-people {
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: var(--spacing-sm);
    font-size: 2rem;
    color: var(--color-primary);
}

.hero-wave {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100px;
    background: var(--color-white);
    clip-path: ellipse(100% 100% at 50% 100%);
}

/* Waitlist Form */
.waitlist-benefits {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--color-white);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: var(--font-weight-medium);
    color: var(--color-dark);
    box-shadow: var(--shadow-sm);
}

.benefit-item i {
    color: var(--color-success);
}

.waitlist-form {
    max-width: 500px;
    margin: 0 auto var(--spacing-lg);
    padding: var(--spacing-lg);
    background: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.waitlist-form h3 {
    text-align: center;
    margin-bottom: var(--spacing-md);
    color: var(--color-dark);
}

.form-group {
    position: relative;
    margin-bottom: var(--spacing-md);
}

.form-group input,
.form-group select {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 1rem;
    border: 2px solid var(--color-gray-lighter);
    border-radius: var(--radius-md);
    transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-primary);
}

.form-group label {
    position: absolute;
    top: -0.5rem;
    left: var(--spacing-sm);
    padding: 0 var(--spacing-xs);
    background: var(--color-white);
    font-size: 0.875rem;
    color: var(--color-gray);
}

.form-note {
    text-align: center;
    font-size: 0.875rem;
    color: var(--color-gray);
    margin-top: var(--spacing-sm);
}

.waitlist-count {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: var(--color-light);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    color: var(--color-gray);
}

.waitlist-count i {
    color: var(--color-primary);
}

/* Roadmap Preview */
.roadmap-preview {
    text-align: center;
}

.roadmap-icon {
    font-size: 5rem;
    color: var(--color-secondary);
    margin-bottom: var(--spacing-md);
}

.expansion-progress {
    max-width: 300px;
    margin: 0 auto;
}

.progress-bar {
    height: 12px;
    background: var(--color-gray-lighter);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin-bottom: var(--spacing-sm);
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-success) 0%, var(--color-primary) 100%);
    border-radius: var(--radius-full);
    transition: width var(--transition-slow);
}

/* Share Section */
.share-section {
    max-width: 600px;
    margin: 0 auto var(--spacing-xl);
    text-align: center;
}

.share-section h3 {
    margin-bottom: var(--spacing-xs);
}

.share-section p {
    color: var(--color-gray);
    margin-bottom: var(--spacing-md);
}

.share-buttons {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
}

.btn-share {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    font-weight: var(--font-weight-medium);
    color: var(--color-white);
    transition: transform var(--transition-fast);
}

.btn-share:hover {
    transform: translateY(-2px);
}

.btn-whatsapp { background: #25D366; }
.btn-facebook { background: #1877F2; }
.btn-twitter { background: #1DA1F2; }
.btn-email { background: var(--color-gray); }
.btn-copy { background: var(--color-dark); }

.expansion-interest {
    max-width: 600px;
    margin: 0 auto;
    padding: var(--spacing-lg);
    background: var(--color-light);
    border-radius: var(--radius-xl);
}

.expansion-interest h3 {
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.form-inline {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.form-inline input,
.form-inline select {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid var(--color-gray-lighter);
    border-radius: var(--radius-md);
    font-size: 1rem;
}

.global-reach {
    text-align: center;
}

.globe-icon {
    font-size: 6rem;
    color: var(--color-secondary);
    margin-bottom: var(--spacing-lg);
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.impact-stats {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.stat {
    text-align: center;
}

.stat strong {
    display: block;
    font-size: 2rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
}

.stat span {
    font-size: 0.875rem;
    color: var(--color-gray);
}

@media (min-width: 768px) {
    .hero .container {
        flex-direction: row;
        align-items: center;
    }
    
    .hero-content {
        text-align: left;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .hero-cta {
        flex-direction: row;
    }
    
    .app-badges {
        flex-direction: row;
        margin: 0;
    }
    
    .hero-features-list {
        margin-left: 0;
    }
    
    .share-buttons {
        grid-template-columns: repeat(5, 1fr);
    }
    
    .form-inline {
        flex-direction: row;
    }
    
    .form-inline input {
        flex: 1;
    }
}

/* ============================================
   Comparison Section
   ============================================ */
.comparison-section {
    background: var(--color-light);
}

.comparison-table-wrapper {
    overflow-x: auto;
    margin-bottom: var(--spacing-xl);
}

.comparison-table {
    width: 100%;
    min-width: 600px;
    border-collapse: collapse;
    background: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.comparison-table thead {
    background: var(--color-dark);
    color: var(--color-white);
}

.comparison-table th {
    padding: var(--spacing-md);
    text-align: center;
    font-weight: var(--font-weight-semibold);
}

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

.comparison-table td {
    padding: var(--spacing-sm) var(--spacing-md);
    border-bottom: 1px solid var(--color-gray-lighter);
    text-align: center;
}

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

.comparison-table td:first-child {
    text-align: left;
    font-weight: var(--font-weight-medium);
}

.comparison-table td.highlight {
    background: rgba(255, 107, 53, 0.05);
    font-weight: var(--font-weight-semibold);
}

.comparison-table i.green {
    color: var(--color-success);
}

.comparison-table i.orange {
    color: var(--color-warning);
}

.comparison-table i.red {
    color: var(--color-danger);
}

.comparison-cta {
    text-align: center;
}

.comparison-cta .note {
    margin-top: var(--spacing-sm);
    font-size: 0.875rem;
    color: var(--color-gray);
}

/* ============================================
   Education/Risk Section
   ============================================ */
.education-section {
    background: var(--color-white);
}

.region-name {
    color: var(--color-primary);
    font-weight: var(--font-weight-semibold);
}

.risk-grid {
    display: grid;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.risk-card {
    padding: var(--spacing-lg);
    background: var(--color-light);
    border-radius: var(--radius-lg);
    text-align: center;
}

.risk-icon {
    font-size: 3rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.risk-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-dark);
}

.risk-card p {
    color: var(--color-gray);
}

.earthquake-history {
    padding: var(--spacing-xl);
    background: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    margin-bottom: var(--spacing-2xl);
}

.earthquake-history h3 {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.history-visual {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.risk-meter {
    max-width: 500px;
    margin: 0 auto;
}

.meter-bar {
    height: 20px;
    background: var(--color-gray-lighter);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin-bottom: var(--spacing-xs);
}

.meter-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-success) 0%, var(--color-warning) 50%, var(--color-danger) 100%);
    border-radius: var(--radius-full);
    transition: width var(--transition-slow);
}

.meter-labels {
    display: flex;
    justify-content: space-between;
    font-size: 0.875rem;
    color: var(--color-gray);
}

.history-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.stat-item {
    text-align: center;
    padding: var(--spacing-md);
    background: var(--color-light);
    border-radius: var(--radius-md);
}

.stat-item strong {
    display: block;
    font-size: 2rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.stat-item span {
    font-size: 0.875rem;
    color: var(--color-gray);
}

.what-to-do {
    margin-bottom: var(--spacing-xl);
}

.what-to-do h3 {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.steps-grid {
    display: grid;
    gap: var(--spacing-md);
}

.step {
    padding: var(--spacing-md);
    background: var(--color-white);
    border: 2px solid var(--color-gray-lighter);
    border-radius: var(--radius-lg);
    text-align: center;
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--color-primary);
    color: var(--color-white);
    font-size: 1.25rem;
    font-weight: var(--font-weight-bold);
    border-radius: 50%;
    margin-bottom: var(--spacing-sm);
}

.step h4 {
    margin-bottom: var(--spacing-xs);
    color: var(--color-dark);
}

.step p {
    font-size: 0.875rem;
    color: var(--color-gray);
}

.education-cta {
    text-align: center;
}

@media (min-width: 768px) {
    .risk-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .steps-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .history-visual {
        flex-direction: row;
        align-items: center;
    }
}

/* ============================================
   Roadmap Section
   ============================================ */
.roadmap-section {
    background: var(--color-white);
}

.roadmap-timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto var(--spacing-2xl);
}

.roadmap-timeline::before {
    content: '';
    position: absolute;
    left: 20px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--color-gray-lighter);
}

.timeline-item {
    position: relative;
    padding-left: 60px;
    margin-bottom: var(--spacing-xl);
}

.timeline-marker {
    position: absolute;
    left: 0;
    top: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-white);
    border: 3px solid var(--color-gray-lighter);
    border-radius: 50%;
    font-size: 1.25rem;
    z-index: 1;
}

.timeline-item.completed .timeline-marker {
    background: var(--color-success);
    border-color: var(--color-success);
    color: var(--color-white);
}

.timeline-item.active .timeline-marker {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-white);
}

.timeline-item.upcoming .timeline-marker {
    border-color: var(--color-warning);
    color: var(--color-warning);
}

.timeline-item.future .timeline-marker {
    border-color: var(--color-secondary);
    color: var(--color-secondary);
}

.timeline-content {
    padding: var(--spacing-md);
    background: var(--color-light);
    border-radius: var(--radius-lg);
}

.timeline-date {
    font-size: 0.875rem;
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.timeline-content h3 {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-xs);
    color: var(--color-dark);
}

.timeline-content p {
    font-size: 0.875rem;
    color: var(--color-gray);
    margin-bottom: var(--spacing-sm);
}

.status-badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.75rem;
    font-weight: var(--font-weight-semibold);
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-xs);
}

.status-badge.completed {
    background: var(--color-success);
    color: var(--color-white);
}

.status-badge.active {
    background: var(--color-primary);
    color: var(--color-white);
}

.status-badge.upcoming {
    background: var(--color-warning);
    color: var(--color-white);
}

.status-badge.future {
    background: var(--color-secondary);
    color: var(--color-white);
}

.progress-bar-small {
    height: 8px;
    background: var(--color-gray-lighter);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin-top: var(--spacing-xs);
}

.progress-fill-small {
    height: 100%;
    background: var(--color-primary);
    border-radius: var(--radius-full);
    transition: width var(--transition-slow);
}

.why-wait {
    margin-bottom: var(--spacing-2xl);
}

.why-wait h3 {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.reasons-grid {
    display: grid;
    gap: var(--spacing-md);
}

.reason-card {
    padding: var(--spacing-lg);
    background: var(--color-light);
    border-radius: var(--radius-lg);
    text-align: center;
}

.reason-card i {
    font-size: 2.5rem;
    color: var(--color-secondary);
    margin-bottom: var(--spacing-sm);
}

.reason-card h4 {
    margin-bottom: var(--spacing-xs);
    color: var(--color-dark);
}

.reason-card p {
    font-size: 0.875rem;
    color: var(--color-gray);
}

.success-stories {
    margin-bottom: var(--spacing-xl);
}

.success-stories h3 {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.testimonial-carousel-simple {
    max-width: 600px;
    margin: 0 auto;
}

.testimonial-card {
    padding: var(--spacing-lg);
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.quote-icon {
    font-size: 2rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.testimonial-card p {
    font-style: italic;
    color: var(--color-dark);
    margin-bottom: var(--spacing-md);
}

.author {
    display: flex;
    flex-direction: column;
}

.author strong {
    color: var(--color-dark);
}

.author span {
    font-size: 0.875rem;
    color: var(--color-gray);
}

.roadmap-cta {
    text-align: center;
}

.cta-text {
    font-size: 1.125rem;
    color: var(--color-gray);
    margin-bottom: var(--spacing-md);
}

@media (min-width: 768px) {
    .reasons-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ============================================
   Features Section
   ============================================ */
.features-section {
    background: var(--color-white);
}

.features-grid {
    display: grid;
    gap: var(--spacing-lg);
}

.feature-card {
    padding: var(--spacing-lg);
    background: var(--color-light);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    font-size: 3rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.feature-card h3 {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-dark);
}

.feature-card p {
    color: var(--color-gray);
    font-size: 0.875rem;
}

@media (min-width: 768px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ============================================
   How It Works Section
   ============================================ */
.how-section {
    background: var(--color-light);
}

.how-steps {
    max-width: 900px;
    margin: 0 auto var(--spacing-2xl);
}

.how-step {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
}

.step-visual {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.step-icon-large {
    font-size: 4rem;
    color: var(--color-primary);
    width: 120px;
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 107, 53, 0.1);
    border-radius: 50%;
}

.step-content {
    flex: 1;
}

.step-num {
    display: inline-block;
    font-size: 1rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    padding: var(--spacing-xs) var(--spacing-md);
    background: rgba(255, 107, 53, 0.1);
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-sm);
}

.step-content h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-dark);
}

.step-content p {
    color: var(--color-gray);
}

.demo-video {
    text-align: center;
}

.play-demo-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    background: var(--color-secondary);
    color: var(--color-white);
    font-size: 1.125rem;
    font-weight: var(--font-weight-semibold);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
}

.play-demo-btn:hover {
    background: var(--color-primary);
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
}

.play-demo-btn i {
    font-size: 2rem;
}

@media (min-width: 768px) {
    .how-step {
        flex-direction: row;
        align-items: center;
    }
    
    .how-step.reverse {
        flex-direction: row-reverse;
    }
}

/* ============================================
   Testimonials Section
   ============================================ */
.testimonials-section {
    background: var(--color-white);
}

.testimonials-grid {
    display: grid;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.testimonial-card-full {
    padding: var(--spacing-lg);
    background: var(--color-light);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.stars {
    font-size: 1.25rem;
    color: var(--color-warning);
    margin-bottom: var(--spacing-sm);
}

.testimonial-text {
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-dark);
    margin-bottom: var(--spacing-md);
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.author-avatar {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary);
    color: var(--color-white);
    font-weight: var(--font-weight-bold);
    border-radius: 50%;
}

.author-info {
    display: flex;
    flex-direction: column;
}

.author-info strong {
    color: var(--color-dark);
}

.author-info span {
    font-size: 0.875rem;
    color: var(--color-gray);
}

.app-store-ratings {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    max-width: 600px;
    margin: 0 auto;
}

.rating-badge {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--color-light);
    border-radius: var(--radius-lg);
}

.rating-badge i {
    font-size: 3rem;
}

.rating-badge i.fa-apple {
    color: #000000;
}

.rating-badge i.fa-google-play {
    color: #4285F4;
}

.rating-info {
    flex: 1;
}

.rating-stars {
    color: var(--color-warning);
    margin-bottom: var(--spacing-xs);
}

.rating-text {
    font-size: 1.125rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-dark);
}

.rating-count {
    font-size: 0.875rem;
    color: var(--color-gray);
}

@media (min-width: 768px) {
    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .app-store-ratings {
        flex-direction: row;
        max-width: 100%;
    }
}

/* ============================================
   FAQ Section
   ============================================ */
.faq-section {
    background: var(--color-light);
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    margin-bottom: var(--spacing-md);
    background: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md);
    text-align: left;
    font-size: 1rem;
    font-weight: var(--font-weight-semibold);
    color: var(--color-dark);
    background: var(--color-white);
    cursor: pointer;
    transition: background var(--transition-fast);
}

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

.faq-question i {
    color: var(--color-primary);
    transition: transform var(--transition-base);
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-base);
}

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

.faq-answer p {
    padding: 0 var(--spacing-md) var(--spacing-md);
    color: var(--color-gray);
    line-height: 1.6;
}

/* ============================================
   Final CTA Section
   ============================================ */
.cta-final-section {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-danger) 100%);
    color: var(--color-white);
    text-align: center;
}

.cta-final-content h2 {
    font-size: 2.5rem;
    font-weight: var(--font-weight-extrabold);
    margin-bottom: var(--spacing-sm);
}

.cta-final-content p {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-lg);
    opacity: 0.95;
}

.cta-final-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    max-width: 400px;
    margin: 0 auto var(--spacing-lg);
}

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

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

.final-trust {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-md);
}

.trust-badge {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-md);
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
}

@media (min-width: 768px) {
    .cta-final-buttons {
        flex-direction: row;
        max-width: 100%;
        justify-content: center;
    }
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background: var(--color-dark);
    color: var(--color-white);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer-grid {
    display: grid;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.footer-col p {
    color: var(--color-gray-light);
    margin-bottom: var(--spacing-md);
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--color-dark-light);
    border-radius: 50%;
    color: var(--color-white);
    transition: all var(--transition-fast);
}

.social-links a:hover {
    background: var(--color-primary);
    transform: translateY(-2px);
}

.footer-col h4 {
    font-size: 1rem;
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-md);
}

.footer-col ul li {
    margin-bottom: var(--spacing-xs);
}

.footer-col ul li a {
    color: var(--color-gray-light);
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-dark-light);
    text-align: center;
    color: var(--color-gray-light);
    font-size: 0.875rem;
}

.footer-note {
    margin-top: var(--spacing-sm);
    font-size: 0.75rem;
    opacity: 0.7;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

@media (min-width: 768px) {
    .footer-grid {
        grid-template-columns: 2fr repeat(4, 1fr);
    }
}

/* ============================================
   Utility Classes
   ============================================ */
.hidden {
    display: none !important;
}

.segment-content {
    display: none;
}

.segment-content.active {
    display: block;
}

.segment-specific {
    display: none;
}

.segment-button,
.segment-text,
.segment-trust {
    display: none;
}

/* Responsive Visibility */
@media (max-width: 767px) {
    .desktop-only {
        display: none !important;
    }
}

@media (min-width: 768px) {
    .mobile-only {
        display: none !important;
    }
}

/* Print Styles */
@media print {
    .navbar,
    .floating-cta,
    .footer {
        display: none;
    }
}

/* ============================================
   Mobile-First Enhancements & Logo Styles
   ============================================ */

/* Default Hero Display */
.hero-default,
#heroDefault {
    display: flex !important;
}

/* Logo Styling */
.logo-image {
    width: 36px;
    height: 36px;
    object-fit: contain;
}

.footer-logo {
    width: 32px;
    height: 32px;
    object-fit: contain;
    filter: brightness(0) invert(1);
}

.hero-logo {
    width: 100px;
    height: 100px;
    object-fit: contain;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

/* Mobile Navigation Fixes */
.nav-container {
    height: 60px;
}

@media (min-width: 768px) {
    .logo-image {
        width: 40px;
        height: 40px;
    }
    
    .hero-logo {
        width: 120px;
        height: 120px;
    }
    
    .nav-container {
        height: 70px;
    }
}

/* Phone Mockup Mobile-First */
.phone-mockup {
    width: 100%;
    max-width: 320px;
    margin: 0 auto;
}

.phone-screen-wrapper {
    width: 100%;
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.1) 0%, rgba(0, 78, 137, 0.1) 100%);
    border-radius: var(--radius-xl);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-lg);
}

@media (min-width: 480px) {
    .phone-mockup {
        max-width: 360px;
    }
    
    .phone-screen-wrapper {
        padding: var(--spacing-xl);
    }
}

/* Hero Mobile-First Adjustments */
.hero-title {
    font-size: 1.75rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1rem;
}

@media (min-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.125rem;
    }
}

@media (min-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
}

/* CTA Mobile First */
.hero-cta {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    width: 100%;
}

.hero-cta .btn {
    width: 100%;
}

@media (min-width: 480px) {
    .hero-cta {
        flex-direction: row;
    }
    
    .hero-cta .btn {
        width: auto;
    }
}

/* App Badges Mobile */
.app-badges {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    width: 100%;
}

.app-badge {
    width: 100%;
}

@media (min-width: 480px) {
    .app-badges {
        flex-direction: row;
        width: auto;
    }
    
    .app-badge {
        width: auto;
        min-width: 160px;
    }
}

/* Trust Items Mobile */
.hero-trust {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-sm);
    width: 100%;
}

.trust-item {
    text-align: center;
}

.trust-number {
    font-size: 1.25rem;
}

.trust-label {
    font-size: 0.75rem;
}

@media (min-width: 480px) {
    .trust-number {
        font-size: 1.5rem;
    }
    
    .trust-label {
        font-size: 0.875rem;
    }
}

/* Section Header Mobile */
.section-header h2 {
    font-size: 1.75rem;
}

.section-header p {
    font-size: 1rem;
}

@media (min-width: 768px) {
    .section-header h2 {
        font-size: 2.5rem;
    }
    
    .section-header p {
        font-size: 1.125rem;
    }
}

/* CTA Final Section Mobile */
.cta-final-content h2 {
    font-size: 1.75rem;
}

.cta-final-content p {
    font-size: 1rem;
}

@media (min-width: 768px) {
    .cta-final-content h2 {
        font-size: 2.5rem;
    }
    
    .cta-final-content p {
        font-size: 1.25rem;
    }
}