/* ============================================
   CSS Variables & Reset
   ============================================ */
:root {
    /* Colors - Modern Minimalist Palette */
    --color-primary: #1a1a2e;
    --color-accent: #d4af37;
    --color-accent-dark: #b8860b;
    --color-text: #2d3436;
    --color-text-light: #636e72;
    --color-background: #ffffff;
    --color-background-alt: #faf8f3;
    --color-background-dark: #f8f9fa;
    --color-border: #e1e8ed;

    /* Typography */
    --font-serif: 'Playfair Display', Georgia, serif;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;

    /* Animation */
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

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

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

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ============================================
   Navigation
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
    z-index: 1000;
    transition: var(--transition-smooth);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 0;
}

.logo {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: -0.5px;
}

.nav-links {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--color-text);
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition-smooth);
    position: relative;
}

.nav-links a:not(.cta-button-small):hover {
    color: var(--color-accent-dark);
}

.nav-links a:not(.cta-button-small)::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-accent);
    transition: var(--transition-smooth);
}

.nav-links a:not(.cta-button-small):hover::after {
    width: 100%;
}

.cta-button-small {
    padding: 0.5rem 1.25rem;
    background-color: var(--color-primary);
    color: white;
    border-radius: 50px;
    transition: var(--transition-smooth);
}

.cta-button-small:hover {
    background-color: var(--color-accent-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(212, 175, 55, 0.3);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background-color: var(--color-primary);
    transition: var(--transition-smooth);
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    margin-top: 80px;
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, var(--color-background-alt) 0%, var(--color-background) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-text h1 {
    font-family: var(--font-serif);
    font-size: 4rem;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    letter-spacing: -2px;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 50px;
    transition: var(--transition-smooth);
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.1);
}

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

.cta-button.primary:hover {
    background-color: var(--color-accent-dark);
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(212, 175, 55, 0.3);
}

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

.cta-button.secondary:hover {
    background-color: var(--color-primary);
    color: white;
    transform: translateY(-3px);
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.phone-mockup {
    position: relative;
    width: 300px;
    height: 600px;
}

.phone-frame {
    width: 100%;
    height: 100%;
    border: 12px solid var(--color-primary);
    border-radius: 40px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
    background-color: #000;
}

.phone-frame video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-scroll-indicator {
    text-align: center;
    margin-top: var(--spacing-lg);
    color: var(--color-text-light);
    font-size: 0.9rem;
    animation: bounce 2s infinite;
}

.scroll-arrow {
    width: 24px;
    height: 24px;
    margin: 0.5rem auto;
    border-left: 2px solid var(--color-accent);
    border-bottom: 2px solid var(--color-accent);
    transform: rotate(-45deg);
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

/* ============================================
   Pain Points Section
   ============================================ */
.pain-points {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-background-dark);
}

.pain-points-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.pain-point {
    text-align: center;
    padding: var(--spacing-md);
    background-color: white;
    border-radius: 20px;
    transition: var(--transition-smooth);
}

.pain-point:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.pain-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.pain-point h3 {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    color: var(--color-primary);
    line-height: 1.4;
}

/* ============================================
   Features Section
   ============================================ */
.features {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-background);
}

.section-title {
    font-family: var(--font-serif);
    font-size: 3rem;
    text-align: center;
    color: var(--color-primary);
    margin-bottom: var(--spacing-lg);
    letter-spacing: -1px;
}

.section-subtitle {
    text-align: center;
    font-size: 1.125rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.feature-card {
    padding: var(--spacing-md);
    background-color: var(--color-background-alt);
    border-radius: 20px;
    transition: var(--transition-smooth);
    border: 2px solid transparent;
}

.feature-card:hover {
    transform: translateY(-8px);
    border-color: var(--color-accent);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.08);
}

.feature-icon {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
    border-radius: 20px;
    margin-bottom: var(--spacing-sm);
    color: white;
}

.feature-card h3 {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.feature-card p {
    color: var(--color-text-light);
    line-height: 1.7;
}

/* ============================================
   Demo Videos Section
   ============================================ */
.demos {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-background-dark);
}

.demos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.demo-card {
    background-color: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: var(--transition-smooth);
}

.demo-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.15);
}

.demo-video {
    position: relative;
    width: 100%;
    padding-top: 56.25%; /* 16:9 aspect ratio */
    background-color: var(--color-primary);
    overflow: hidden;
}

.demo-video video,
.demo-video iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    border: none;
}

.demo-card h3 {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    color: var(--color-primary);
    padding: var(--spacing-sm) var(--spacing-md) 0;
}

.demo-card p {
    color: var(--color-text-light);
    padding: var(--spacing-xs) var(--spacing-md) var(--spacing-md);
}

/* ============================================
   Museums Section
   ============================================ */
.museums {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-background);
}

.museums-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.museum-card {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: var(--transition-smooth);
    background-color: white;
}

.museum-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.15);
}

.museum-image {
    width: 100%;
    height: 200px;
    background-size: cover;
    background-position: center;
    background-color: var(--color-background-dark);
}

.museum-card h3 {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    color: var(--color-primary);
    padding: var(--spacing-sm) var(--spacing-md) 0;
}

.museum-card p {
    color: var(--color-text-light);
    padding: var(--spacing-xs) var(--spacing-md) var(--spacing-md);
}

.coming-soon {
    text-align: center;
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md);
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
    border-radius: 15px;
    color: white;
    font-size: 1.125rem;
}

/* ============================================
   Social Proof Section
   ============================================ */
.social-proof {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, var(--color-background-alt) 0%, var(--color-background-dark) 100%);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.testimonial {
    padding: var(--spacing-md);
    background-color: white;
    border-radius: 20px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: var(--transition-smooth);
}

.testimonial:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.12);
}

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

.testimonial p {
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
    font-style: italic;
}

.author {
    color: var(--color-text-light);
    font-size: 0.95rem;
    font-weight: 600;
}

/* ============================================
   FAQ Section
   ============================================ */
.faq {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-background);
}

.faq-grid {
    max-width: 800px;
    margin: 0 auto;
    margin-top: var(--spacing-lg);
}

.faq-item {
    background-color: white;
    border: 2px solid var(--color-border);
    border-radius: 15px;
    margin-bottom: var(--spacing-sm);
    overflow: hidden;
    transition: var(--transition-smooth);
}

.faq-item:hover {
    border-color: var(--color-accent);
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    background: none;
    border: none;
    text-align: left;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-primary);
    cursor: pointer;
    transition: var(--transition-smooth);
}

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

.faq-icon {
    transition: var(--transition-smooth);
    flex-shrink: 0;
}

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

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

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

.faq-answer p {
    padding: 0 var(--spacing-md) var(--spacing-md);
    color: var(--color-text-light);
    line-height: 1.7;
}

/* ============================================
   Download CTA Section
   ============================================ */
.download-cta {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, var(--color-primary) 0%, #2d2d44 100%);
    color: white;
    text-align: center;
}

.download-content h2 {
    font-family: var(--font-serif);
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
    letter-spacing: -1px;
}

.download-content p {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.9;
}

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

.store-button {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 1rem 2rem;
    background-color: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 15px;
    color: white;
    text-decoration: none;
    transition: var(--transition-smooth);
    backdrop-filter: blur(10px);
}

.store-button:hover {
    background-color: rgba(255, 255, 255, 0.2);
    border-color: var(--color-accent);
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

.store-text {
    font-size: 0.75rem;
    opacity: 0.8;
}

.store-name {
    font-size: 1.25rem;
    font-weight: 700;
}

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

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.footer-section h3 {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.footer-section h4 {
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-accent);
}

.footer-section p {
    opacity: 0.8;
    line-height: 1.7;
}

.footer-section ul {
    list-style: none;
}

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

.footer-section a {
    color: white;
    text-decoration: none;
    opacity: 0.8;
    transition: var(--transition-smooth);
}

.footer-section a:hover {
    opacity: 1;
    color: var(--color-accent);
}

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

.social-links a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transition: var(--transition-smooth);
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-md);
    text-align: center;
    opacity: 0.7;
}

/* ============================================
   Animations
   ============================================ */
.fade-in {
    opacity: 0;
    animation: fadeIn 0.8s ease-out forwards;
}

@keyframes fadeIn {
    to {
        opacity: 1;
    }
}

.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: var(--transition-smooth);
}

.fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 968px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-text h1 {
        font-size: 3rem;
    }

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

    .nav-links {
        display: none;
    }

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

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

@media (max-width: 640px) {
    html {
        font-size: 14px;
    }

    .hero-text h1 {
        font-size: 2.5rem;
    }

    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }

    .cta-button {
        width: 100%;
        justify-content: center;
    }

    .phone-mockup {
        width: 250px;
        height: 500px;
    }

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

    .download-content h2 {
        font-size: 2rem;
    }

    .download-buttons {
        flex-direction: column;
        align-items: stretch;
    }

    .store-button {
        justify-content: center;
    }
}

/* ============================================
   Utility Classes
   ============================================ */
.text-center {
    text-align: center;
}

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

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