/* ==========================================================================
   WANDERQUEST LANDING PAGE STYLES
   Design System v1.0 - Following Brand Guidelines
   ========================================================================== */

/* ==========================================================================
   CSS VARIABLES - DESIGN SYSTEM
   ========================================================================== */

:root {
    /* Brand Colors */
    --purple-primary: #7C3AED;
    --purple-dark: #4338CA;
    --amber-accent: #F59E0B;
    --coral-pink: #FB7185;
    --mint-green: #10B981;
    
    /* Neutral Colors */
    --charcoal: #1F2937;
    --slate-gray: #64748B;
    --light-gray: #F8FAFC;
    --border-gray: #E5E7EB;
    --white: #FFFFFF;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    /* Font Sizes */
    --text-display: 56px;
    --text-h2: 40px;
    --text-h3: 28px;
    --text-h4: 20px;
    --text-body: 18px;
    --text-small: 14px;
    --text-button: 16px;
    
    /* Mobile Font Sizes */
    --text-display-mobile: 36px;
    --text-h2-mobile: 28px;
    --text-h3-mobile: 22px;
    --text-body-mobile: 16px;
    
    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
    --spacing-3xl: 64px;
    --spacing-4xl: 80px;
    --spacing-5xl: 120px;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-pill: 20px;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 12px rgba(124, 58, 237, 0.25);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.08);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.6s ease-out;
    
    /* Container Widths */
    --container-max: 1280px;
    --content-width: 1024px;
    --reading-width: 680px;
}

/* ==========================================================================
   RESET & BASE STYLES
   ========================================================================== */

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-primary);
    font-size: var(--text-body);
    line-height: 1.6;
    color: var(--charcoal);
    background-color: var(--white);
    overflow-x: hidden;
}

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

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

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

ul {
    list-style: none;
}

/* ==========================================================================
   TYPOGRAPHY
   ========================================================================== */

h1, h2, h3, h4, h5, h6 {
    line-height: 1.2;
    color: var(--charcoal);
    font-weight: 700;
}

h1 {
    font-size: var(--text-display);
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1.1;
}

h2 {
    font-size: var(--text-h2);
    font-weight: 700;
}

h3 {
    font-size: var(--text-h3);
    font-weight: 600;
    line-height: 1.3;
}

h4 {
    font-size: var(--text-h4);
    font-weight: 600;
    line-height: 1.4;
}

p {
    margin-bottom: var(--spacing-md);
}

strong {
    font-weight: 600;
}

.highlight {
    color: var(--purple-primary);
    font-weight: 600;
}

/* ==========================================================================
   LAYOUT
   ========================================================================== */

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

section {
    padding: var(--spacing-5xl) 0;
}

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

/* ==========================================================================
   BUTTONS
   ========================================================================== */

.btn {
    display: inline-block;
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--text-button);
    font-weight: 600;
    letter-spacing: 0.01em;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    text-align: center;
    white-space: nowrap;
}

.btn-primary {
    background: var(--purple-primary);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background: var(--purple-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(124, 58, 237, 0.3);
}

.btn-primary:active {
    transform: scale(0.98);
}

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

.btn-secondary:hover {
    background: rgba(124, 58, 237, 0.1);
}

.btn-white {
    background: var(--white);
    color: var(--purple-primary);
    box-shadow: var(--shadow-sm);
}

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

/* ==========================================================================
   FORM INPUTS
   ========================================================================== */

.email-input {
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: var(--text-button);
    font-family: var(--font-primary);
    color: var(--charcoal);
    background: var(--white);
    border: 2px solid var(--border-gray);
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
    width: 100%;
    max-width: 320px;
}

.email-input:focus {
    outline: none;
    border-color: var(--purple-primary);
    box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.1);
}

.email-input::placeholder {
    color: var(--slate-gray);
}

.email-input-light {
    background: var(--white);
}

/* ==========================================================================
   NAVBAR
   ========================================================================== */

.navbar {
    padding: var(--spacing-lg) 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 700;
    font-size: 18px;
    letter-spacing: 0.02em;
}

.logo-icon {
    font-size: 24px;
}

.nav-links {
    display: flex;
    gap: var(--spacing-xl);
}

.nav-link {
    color: var(--charcoal);
    font-weight: 500;
}

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

/* ==========================================================================
   SECTION: HERO
   ========================================================================== */

.hero {
    background: linear-gradient(180deg, var(--light-gray) 0%, var(--white) 100%);
    position: relative;
    overflow: hidden;
}

.hero-content {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
    padding: var(--spacing-4xl) 0;
}

.hero-title {
    margin-bottom: var(--spacing-lg);
    animation: fadeInUp var(--transition-slow);
}

.hero-subtitle {
    font-size: var(--text-h4);
    color: var(--slate-gray);
    max-width: var(--reading-width);
    margin: 0 auto var(--spacing-2xl);
    line-height: 1.6;
    animation: fadeInUp var(--transition-slow) 0.1s backwards;
}

.hero-form {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-lg);
    animation: fadeInUp var(--transition-slow) 0.2s backwards;
}

.trust-signals {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    flex-wrap: wrap;
    font-size: var(--text-small);
    color: var(--slate-gray);
    margin-bottom: var(--spacing-2xl);
}

.trust-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.secondary-cta {
    display: inline-block;
    color: var(--purple-primary);
    font-weight: 600;
    margin-bottom: var(--spacing-3xl);
    transition: var(--transition-fast);
}

.secondary-cta:hover {
    transform: translateY(2px);
    opacity: 0.8;
}

/* Hero Phone Mockup */
.hero-image {
    display: flex;
    justify-content: center;
    margin-top: var(--spacing-3xl);
    animation: fadeInUp var(--transition-slow) 0.3s backwards;
}

.phone-mockup {
    width: 300px;
    height: 600px;
    background: linear-gradient(135deg, #1F2937 0%, #374151 100%);
    border-radius: 40px;
    padding: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    position: relative;
}

.mockup-content {
    width: 100%;
    height: 100%;
    background: var(--white);
    border-radius: 32px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.mockup-header {
    height: 40px;
    background: var(--white);
    display: flex;
    justify-content: center;
    align-items: center;
}

.mockup-notch {
    width: 120px;
    height: 26px;
    background: #1F2937;
    border-radius: 0 0 20px 20px;
}

.mockup-screen {
    flex: 1;
    background: linear-gradient(180deg, var(--light-gray) 0%, var(--white) 100%);
    padding: var(--spacing-lg);
}

.quest-card-preview {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    text-align: center;
}

.quest-icon {
    font-size: 48px;
    display: block;
    margin-bottom: var(--spacing-md);
}

.quest-card-preview h4 {
    font-size: 18px;
    margin-bottom: var(--spacing-sm);
}

.quest-card-preview p {
    font-size: 14px;
    color: var(--slate-gray);
    margin-bottom: var(--spacing-md);
}

.badge {
    display: inline-block;
    background: var(--amber-accent);
    color: var(--white);
    padding: 4px 12px;
    border-radius: var(--radius-pill);
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ==========================================================================
   SECTION: SOCIAL PROOF
   ========================================================================== */

.social-proof {
    padding: var(--spacing-3xl) 0;
    background: var(--white);
}

.social-caption {
    text-align: center;
    color: var(--slate-gray);
    font-size: var(--text-small);
    margin-bottom: var(--spacing-lg);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.museum-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.museum-name {
    font-weight: 600;
    color: var(--slate-gray);
    font-size: var(--text-body);
}

.museum-separator {
    color: var(--border-gray);
}

/* ==========================================================================
   SECTION: PROBLEM
   ========================================================================== */

.problem {
    background: var(--white);
}

.two-column {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4xl);
    align-items: center;
}

.column-image {
    display: flex;
    justify-content: center;
}

.problem-image {
    width: 100%;
    max-width: 400px;
}

.image-placeholder {
    width: 100%;
    aspect-ratio: 4/3;
    background: var(--light-gray);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
}

.column-content h2 {
    margin-bottom: var(--spacing-xl);
}

.column-content p {
    margin-bottom: var(--spacing-lg);
    color: var(--charcoal);
}

/* ==========================================================================
   SECTION: SOLUTION
   ========================================================================== */

.solution {
    background: var(--light-gray);
}

.solution-content {
    text-align: center;
    max-width: var(--content-width);
    margin: 0 auto;
}

.solution-content h2 {
    margin-bottom: var(--spacing-lg);
}

.solution-text {
    font-size: var(--text-h4);
    color: var(--charcoal);
    max-width: var(--reading-width);
    margin: 0 auto var(--spacing-3xl);
    line-height: 1.6;
}

.solution-visual {
    display: flex;
    justify-content: center;
}

.app-screenshot-large {
    width: 100%;
    max-width: 400px;
}

.screenshot-device {
    position: relative;
}

.device-frame {
    background: linear-gradient(135deg, #1F2937 0%, #374151 100%);
    border-radius: 40px;
    padding: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
}

.device-screen {
    background: var(--white);
    border-radius: 28px;
    overflow: hidden;
    aspect-ratio: 9/19.5;
}

.quest-interface {
    padding: var(--spacing-xl);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.quest-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.back-btn {
    color: var(--purple-primary);
    font-size: 14px;
}

.quest-points {
    color: var(--amber-accent);
    font-weight: 600;
    font-size: 14px;
}

.quest-title {
    font-size: 24px;
    margin-bottom: var(--spacing-lg);
}

.quest-challenge {
    background: var(--light-gray);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
    text-align: left;
}

.quest-challenge p {
    font-size: 14px;
    margin-bottom: var(--spacing-md);
}

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

.step {
    font-size: 14px;
    color: var(--slate-gray);
    padding: var(--spacing-sm);
}

.step.active {
    color: var(--purple-primary);
    font-weight: 600;
}

.quest-btn {
    background: var(--purple-primary);
    color: var(--white);
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-md);
    font-weight: 600;
    width: 100%;
    margin-top: auto;
}

/* ==========================================================================
   SECTION: FEATURES
   ========================================================================== */

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

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
    max-width: var(--content-width);
    margin: 0 auto;
}

.feature-card {
    background: var(--white);
    border: 1px solid var(--border-gray);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.feature-card:hover {
    box-shadow: var(--shadow-lg);
    border-color: rgba(124, 58, 237, 0.2);
    transform: translateY(-4px);
}

.feature-icon {
    width: 48px;
    height: 48px;
    color: var(--purple-primary);
    margin-bottom: var(--spacing-lg);
}

.feature-icon svg {
    width: 100%;
    height: 100%;
}

.feature-title {
    font-size: var(--text-h4);
    margin-bottom: var(--spacing-md);
}

.feature-description {
    color: var(--charcoal);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.feature-example {
    background: var(--light-gray);
    padding: var(--spacing-md);
    border-radius: var(--radius-sm);
    font-size: var(--text-small);
    color: var(--slate-gray);
}

.feature-example em {
    font-style: italic;
}

/* ==========================================================================
   SECTION: HOW IT WORKS
   ========================================================================== */

.how-it-works {
    background: var(--light-gray);
}

.timeline {
    display: grid;
    grid-template-columns: 1fr auto 1fr auto 1fr;
    gap: var(--spacing-xl);
    align-items: start;
    max-width: var(--content-width);
    margin: 0 auto;
}

.timeline-step {
    text-align: center;
}

.step-number {
    width: 48px;
    height: 48px;
    background: var(--purple-primary);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
    margin: 0 auto var(--spacing-lg);
}

.step-visual {
    margin-bottom: var(--spacing-lg);
}

.mini-phone {
    width: 180px;
    height: 320px;
    background: linear-gradient(135deg, #1F2937 0%, #374151 100%);
    border-radius: 24px;
    padding: 8px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    margin: 0 auto;
}

.mini-screen {
    width: 100%;
    height: 100%;
    background: var(--white);
    border-radius: 18px;
    padding: var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.notification-preview {
    background: var(--light-gray);
    padding: var(--spacing-md);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-align: left;
    width: 100%;
}

.notif-icon {
    font-size: 24px;
}

.notification-preview strong {
    font-size: 12px;
    display: block;
}

.notification-preview p {
    font-size: 10px;
    color: var(--slate-gray);
    margin: 0;
}

.quest-preview-small {
    width: 100%;
    text-align: center;
}

.quest-preview-small h4 {
    font-size: 14px;
    margin-bottom: var(--spacing-sm);
}

.mini-badge {
    font-size: 10px;
    padding: 2px 8px;
    background: var(--amber-accent);
    color: var(--white);
    border-radius: 10px;
    display: inline-block;
}

.success-preview {
    text-align: center;
}

.success-icon {
    width: 60px;
    height: 60px;
    background: var(--mint-green);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    margin: 0 auto var(--spacing-md);
}

.success-preview strong {
    display: block;
    font-size: 14px;
    margin-bottom: var(--spacing-xs);
}

.points-earned {
    color: var(--amber-accent);
    font-weight: 700;
    font-size: 18px;
}

.timeline-connector {
    color: var(--purple-primary);
    font-size: 32px;
    font-weight: 300;
    padding-top: 40px;
}

.step-title {
    font-size: var(--text-h4);
    margin-bottom: var(--spacing-sm);
}

.step-description {
    color: var(--charcoal);
    font-size: var(--text-small);
}

/* ==========================================================================
   SECTION: PRICING
   ========================================================================== */

.pricing {
    background: var(--white);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    max-width: 800px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--white);
    border: 2px solid var(--border-gray);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    text-align: center;
    transition: var(--transition-base);
    position: relative;
}

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

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

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--amber-accent);
    color: var(--white);
    padding: 4px 16px;
    border-radius: var(--radius-pill);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.pricing-tier {
    font-size: var(--text-h3);
    margin-bottom: var(--spacing-lg);
}

.pricing-price {
    margin-bottom: var(--spacing-sm);
}

.price-amount {
    font-size: 48px;
    font-weight: 800;
    color: var(--purple-primary);
}

.price-period {
    color: var(--slate-gray);
    font-size: var(--text-body);
}

.pricing-annual {
    color: var(--slate-gray);
    font-size: var(--text-small);
    margin-bottom: var(--spacing-xl);
}

.pricing-features {
    text-align: left;
    margin-bottom: var(--spacing-xl);
}

.pricing-features li {
    padding: var(--spacing-sm) 0;
    font-size: var(--text-body);
}

.feature-included {
    color: var(--charcoal);
}

.feature-excluded {
    color: var(--slate-gray);
}

/* ==========================================================================
   SECTION: FAQ
   ========================================================================== */

.faq {
    background: var(--white);
}

.faq-grid {
    max-width: var(--content-width);
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid var(--border-gray);
    padding: var(--spacing-lg) 0;
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-lg);
    text-align: left;
    font-size: var(--text-h4);
    font-weight: 600;
    color: var(--charcoal);
    cursor: pointer;
    transition: var(--transition-fast);
}

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

.faq-icon {
    font-size: 24px;
    color: var(--purple-primary);
    flex-shrink: 0;
    transition: var(--transition-fast);
}

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

.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-top: var(--spacing-md);
    color: var(--charcoal);
    line-height: 1.6;
}

/* ==========================================================================
   SECTION: FINAL CTA
   ========================================================================== */

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

.final-cta-content {
    max-width: var(--reading-width);
    margin: 0 auto;
}

.final-cta h2 {
    color: var(--white);
    margin-bottom: var(--spacing-lg);
}

.final-cta-subtitle {
    color: rgba(255, 255, 255, 0.9);
    font-size: var(--text-body);
    margin-bottom: var(--spacing-2xl);
}

.final-cta-form {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-lg);
}

.trust-signals-light {
    color: rgba(255, 255, 255, 0.9);
}

.privacy-note {
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--text-small);
    margin-top: var(--spacing-xl);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */

.footer {
    background: var(--charcoal);
    color: rgba(255, 255, 255, 0.7);
    padding: var(--spacing-4xl) 0 var(--spacing-xl);
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 3fr;
    gap: var(--spacing-4xl);
    margin-bottom: var(--spacing-3xl);
}

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

.logo-footer {
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.footer-tagline {
    color: rgba(255, 255, 255, 0.6);
    font-size: var(--text-small);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-xl);
}

.footer-column h4 {
    color: var(--white);
    font-size: var(--text-body);
    margin-bottom: var(--spacing-md);
}

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

.footer-column a {
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--text-small);
    transition: var(--transition-fast);
}

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

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    font-size: var(--text-small);
    margin: 0;
}

/* ==========================================================================
   MODAL
   ========================================================================== */

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    max-width: 400px;
    text-align: center;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: modalSlideUp 0.3s ease-out;
}

@keyframes modalSlideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-icon {
    width: 80px;
    height: 80px;
    background: var(--mint-green);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    margin: 0 auto var(--spacing-lg);
}

.modal-content h3 {
    margin-bottom: var(--spacing-md);
}

.modal-content p {
    color: var(--slate-gray);
    margin-bottom: var(--spacing-xl);
}

/* ==========================================================================
   ANIMATIONS
   ========================================================================== */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeInUp var(--transition-slow);
}

/* ==========================================================================
   RESPONSIVE DESIGN
   ========================================================================== */

/* Tablet (768px - 1023px) */
@media (max-width: 1023px) {
    :root {
        --text-display: 44px;
        --text-h2: 32px;
        --text-h3: 24px;
        --text-body: 17px;
    }
    
    section {
        padding: var(--spacing-4xl) 0;
    }
    
    .two-column {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    .timeline {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    .timeline-connector {
        display: none;
    }
    
    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Mobile (320px - 767px) */
@media (max-width: 767px) {
    :root {
        --text-display: var(--text-display-mobile);
        --text-h2: var(--text-h2-mobile);
        --text-h3: var(--text-h3-mobile);
        --text-body: var(--text-body-mobile);
    }
    
    .container {
        padding: 0 var(--spacing-md);
    }
    
    section {
        padding: var(--spacing-3xl) 0;
    }
    
    .hero-content {
        padding: var(--spacing-xl) 0;
    }
    
    .hero-form {
        flex-direction: column;
        align-items: stretch;
    }
    
    .email-input {
        max-width: 100%;
    }
    
    .trust-signals {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .phone-mockup {
        width: 240px;
        height: 480px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
    
    .nav-links {
        gap: var(--spacing-md);
    }
    
    .nav-link {
        font-size: 14px;
    }
    
    .museum-logos {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .museum-separator {
        display: none;
    }
    
    .final-cta-form {
        flex-direction: column;
        align-items: stretch;
    }
}

/* Large Screens (1440px+) */
@media (min-width: 1440px) {
    :root {
        --text-display: 64px;
        --text-h2: 48px;
    }
}

/* ==========================================================================
   UTILITY CLASSES
   ========================================================================== */

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

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }