/* Sort Moments - Minimalist Dark Theme */

:root {
    --bg-primary: #09090b;
    --bg-secondary: #18181b;
    --bg-card: #1c1c1f;
    --text-primary: #fafafa;
    --text-secondary: #a1a1aa;
    --text-muted: #71717a;
    --accent: #8b5cf6;
    --accent-hover: #a78bfa;
    --success: #10b981;
    --border: #27272a;
    --border-light: #3f3f46;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
}

/* Particle Background Canvas */
.particle-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
}

header,
main,
section,
footer {
    position: relative;
    z-index: 2;
}

/* Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(9, 9, 11, 0.8);
    backdrop-filter: blur(12px);
}

nav {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-icon {
    background: linear-gradient(135deg, var(--accent), var(--success));
    color: white;
    font-weight: 700;
    font-size: 1rem;
    padding: 0.5rem 0.75rem;
    border-radius: 8px;
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 600;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.2s;
}

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

/* Hero Section with Steps */
.hero-with-steps {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 6rem 0 4rem;
    position: relative;
    overflow: hidden;
}


.hero-steps-container {
    display: flex;
    max-width: 100%;
    width: 100%;
    gap: 2rem;
    padding: 0 2rem;
}

.steps-sidebar {
    flex: 0 0 350px;
    padding: 2rem 2rem 2rem 2rem;
    display: flex;
    align-items: center;
}

.steps-sidebar .steps {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    width: 100%;
}

/* Hero Section */
.hero {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 2rem;
    min-width: 400px;
}

/* Features Sidebar */
.features-sidebar {
    flex: 0 0 350px;
    padding: 2rem 2rem 2rem 2rem;
    display: flex;
    align-items: center;
}

.features-list {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    width: 100%;
}

.features-sidebar .feature {
    text-align: center;
    padding: 1.25rem;
    background: var(--bg-secondary);
    border-radius: 12px;
    border: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.features-sidebar .feature-icon {
    width: 60px;
    height: 60px;
    background: var(--bg-secondary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    color: var(--accent);
}


.hero h1 {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--text-primary), var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tagline {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.download-stats {
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
    margin-bottom: 2.5rem;
    padding: 0.75rem 1.5rem;
    background: var(--bg-secondary);
    border-radius: 50px;
    border: 1px solid var(--border);
}

.download-count {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--success);
}

.download-label {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    justify-content: center;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--success), #059669);
    color: white;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #34d399, var(--success));
    transform: translateY(-2px);
}

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

.btn-secondary:hover {
    background: var(--bg-card);
    border-color: var(--text-muted);
}

.platform-note {
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* Video Section */
.video-section {
    padding: 4rem 2rem;
    background: transparent;
}

.video-container {
    max-width: 900px;
    margin: 0 auto;
}

.video-placeholder {
    aspect-ratio: 16 / 9;
    background: transparent;
    border: 2px dashed var(--border-light);
    border-radius: 16px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    color: var(--text-muted);
}

.video-placeholder svg {
    opacity: 0.5;
}

.video-container video {
    width: 100%;
    border-radius: 16px;
    background: var(--bg-primary);
}

/* How It Works */
.how-it-works {
    padding: 6rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.how-it-works h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 4rem;
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2rem;
}

.step {
    text-align: left;
    padding: 1.5rem;
    background: var(--bg-secondary);
    border-radius: 12px;
    border: 1px solid var(--border);
    display: flex;
    gap: 1.5rem;
}

.steps-sidebar .step {
    flex-direction: column;
    padding: 1.25rem;
}

.step-number {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--accent), var(--accent-hover));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: 700;
    flex-shrink: 0;
}

.steps-sidebar .step-number {
    margin: 0;
}

.step h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.step p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Features */
.features {
    padding: 6rem 2rem;
    background: var(--bg-secondary);
}

.features h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 4rem;
}

.feature-grid {
    max-width: 1000px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.feature {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: 16px;
    border: 1px solid var(--border);
    transition: border-color 0.2s;
}

.feature:hover {
    border-color: var(--border-light);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: var(--bg-secondary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: var(--accent);
}

.feature h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.feature p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Footer */
footer {
    padding: 3rem 2rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.2s;
}

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

.footer-credit {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Mobile Notice */
.mobile-notice {
    display: none;
    position: relative;
    z-index: 3;
    background: rgba(251, 146, 60, 0.1);
    border: 1px solid rgba(251, 146, 60, 0.3);
    border-radius: 8px;
    padding: 1rem 1.5rem;
    margin: 0;
    text-align: center;
}

.mobile-notice p {
    color: var(--text-primary);
    font-size: 0.95rem;
    margin: 0;
}

/* Responsive */
@media (max-width: 1400px) {
    .hero-steps-container {
        flex-direction: column;
        gap: 2rem;
        align-items: center;
    }

    .hero {
        flex: 1;
        width: 100%;
        min-width: auto;
    }

    .steps-sidebar {
        flex: 1;
        width: 100%;
        padding: 2rem;
    }

    .steps-sidebar .steps {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }

    .features-sidebar {
        flex: 1;
        width: 100%;
        padding: 2rem;
    }

    .features-list {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 1.5rem;
    }
}

@media (max-width: 768px) {
    /* Show mobile notice */
    .mobile-notice {
        display: block;
        background: linear-gradient(135deg, rgba(251, 146, 60, 0.15), rgba(59, 130, 246, 0.1));
        border-top: 3px solid rgba(251, 146, 60, 0.5);
        margin-top: 60px;
        padding: 1.25rem 1rem;
    }

    /* Hide How It Works section on mobile */
    .steps-sidebar {
        display: none !important;
    }

    .mobile-notice p {
        font-size: 0.9rem;
        line-height: 1.5;
    }

    /* Reorder sections: Hero first */
    .hero-with-steps {
        display: flex;
        flex-direction: column;
        min-height: auto;
        padding: 2rem 0 2rem;
    }

    .hero-steps-container {
        display: flex;
        flex-direction: column;
    }

    /* Hero content first on mobile */
    .hero {
        order: 1;
    }

    /* Steps (How It Works) second */
    .steps-sidebar {
        order: 2;
    }

    /* Features after steps */
    .features-sidebar {
        order: 3;
    }

    /* Hero Section */
    .hero h1 {
        font-size: 2rem;
    }

    .tagline {
        font-size: 1rem;
    }

    .download-stats {
        font-size: 0.9rem;
        padding: 0.5rem 1rem;
    }

    .download-count {
        font-size: 1.2rem;
    }

    .cta-buttons {
        flex-direction: column;
        width: 100%;
        max-width: 280px;
        gap: 0.75rem;
    }

    .btn {
        justify-content: center;
        padding: 0.9rem 1.5rem;
        font-size: 0.95rem;
    }

    /* Navigation */
    nav {
        padding: 0.75rem;
    }

    .logo-text {
        font-size: 1.1rem;
    }

    .logo-icon {
        font-size: 0.9rem;
        padding: 0.4rem 0.6rem;
    }

    .nav-links a {
        font-size: 0.85rem;
    }

    /* Hero Container */
    .hero {
        padding: 1.5rem;
        margin-top: 1rem;
    }

    /* Steps */
    .steps-sidebar {
        flex: 1;
        width: 100%;
        padding: 1.5rem 1rem;
    }

    .steps-sidebar .steps {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .step {
        padding: 1rem;
        flex-direction: column;
    }

    .step-number {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }

    .step h3 {
        font-size: 0.95rem;
    }

    .step p {
        font-size: 0.8rem;
    }

    /* Features */
    .features-sidebar {
        flex: 1;
        width: 100%;
        padding: 1.5rem 1rem;
    }

    .features-list {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .features-sidebar .feature {
        padding: 1rem;
    }

    .features-sidebar .feature-icon {
        width: 45px;
        height: 45px;
    }

    .features-sidebar .feature-icon svg {
        width: 24px;
        height: 24px;
    }

    .features-sidebar .feature h3 {
        font-size: 0.95rem;
    }

    .features-sidebar .feature p {
        font-size: 0.8rem;
    }

    /* Video Section */
    .video-section {
        padding: 2rem 1rem;
    }

    .video-placeholder {
        aspect-ratio: 16 / 9;
    }

    .video-placeholder svg {
        width: 48px;
        height: 48px;
    }

    /* Hero with steps container */
    .hero-with-steps {
        padding: 5rem 0 2rem;
    }

    .hero-steps-container {
        gap: 1.5rem;
        padding: 0 1rem;
    }

    /* Footer */
    .footer-links {
        gap: 1rem;
        flex-direction: column;
    }

    .footer-links a {
        font-size: 0.85rem;
    }

    .footer-credit {
        font-size: 0.8rem;
    }

    footer {
        padding: 2rem 1rem;
    }
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero h1,
.hero .tagline,
.hero .download-stats,
.hero .cta-buttons {
    animation: fadeIn 0.6s ease-out forwards;
}

.hero .tagline {
    animation-delay: 0.1s;
}

.hero .download-stats {
    animation-delay: 0.2s;
}

.hero .cta-buttons {
    animation-delay: 0.3s;
}

/* Download Count */
.download-count {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin: 15px 0;
}

#downloadCount {
    color: var(--accent);
    font-weight: 600;
}