/* Scrib Landing Page - 2026 Minimalist Design */
/* Calm, trustworthy palette: Blue CTAs, Green privacy, Orange accents */

/* ==================== CSS RESET & VARIABLES ==================== */

:root {
    /* Primary accent - trustworthy blue for CTAs */
    --accent: #007BFF;
    --accent-dark: #0056b3;
    --accent-light: #3395ff;

    /* Privacy/trust accent - muted green */
    --green: #4CAF50;
    --green-dark: #388E3C;
    --green-light: #66BB6A;

    /* Energetic touch - warm orange (minimal use) */
    --orange: #FF9800;
    --orange-dark: #F57C00;
    --orange-light: #FFB74D;

    /* Light mode */
    --bg-primary: #FFFFFF;
    --bg-secondary: #F5F5F5;
    --bg-card: #FFFFFF;
    --text-primary: #333333;
    --text-secondary: #757575;
    --text-muted: #9E9E9E;
    --border: #E0E0E0;
    --shadow: rgba(0, 0, 0, 0.08);
    --shadow-hover: rgba(0, 0, 0, 0.12);

    /* Spacing */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 48px;
    --spacing-xl: 64px;

    /* Typography - Inter for headings, Roboto for body */
    --font-heading: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-body: 'Roboto', -apple-system, BlinkMacSystemFont, Arial, sans-serif;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.25rem;
    --font-size-xl: 1.5rem;
    --font-size-2xl: 2rem;
    --font-size-3xl: 2.5rem;

    /* Border radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
}

/* Dark mode - calm, accessible dark theme */
[data-theme="dark"] {
    --bg-primary: #1A1A1A;
    --bg-secondary: #121212;
    --bg-card: #242424;
    --text-primary: #F5F5F5;
    --text-secondary: #B0B0B0;
    --text-muted: #808080;
    --border: #333333;
    --shadow: rgba(0, 0, 0, 0.4);
    --shadow-hover: rgba(0, 0, 0, 0.5);
}

/* ==================== BASE STYLES ==================== */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    transition: background-color var(--transition-normal), color var(--transition-normal);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

/* ==================== THEME TOGGLE ==================== */

.theme-toggle {
    position: fixed;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    z-index: 1000;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 50%;
    width: 48px;
    height: 48px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px var(--shadow);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.theme-toggle:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 12px var(--shadow-hover);
}

.theme-toggle:active {
    transform: scale(0.95);
}

.theme-icon {
    font-size: 1.5rem;
    transition: transform var(--transition-normal);
}

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

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--spacing-lg) var(--spacing-md);
    background: var(--bg-secondary);
}

.hero-content {
    max-width: 600px;
    padding: var(--spacing-lg) var(--spacing-lg) var(--spacing-lg);
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    box-shadow: 0 4px 24px var(--shadow);
}

[data-theme="dark"] .hero-content {
    background: var(--bg-card);
}

.launch-badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--green) 0%, var(--green-dark) 100%);
    color: white;
    font-family: var(--font-heading);
    font-size: var(--font-size-sm);
    font-weight: 600;
    padding: 6px 16px;
    border-radius: 20px;
    margin-bottom: var(--spacing-md);
    letter-spacing: 0.02em;
    box-shadow: 0 2px 12px rgba(76, 175, 80, 0.3);
}

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.logo-icon {
    font-size: 3.5rem;
}

.logo-icon-img {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-md);
}

.logo-text {
    font-family: var(--font-heading);
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.tagline {
    font-family: var(--font-body);
    font-size: var(--font-size-xl);
    font-weight: 500;
    color: var(--green);
    margin-bottom: var(--spacing-md);
}

.subtitle {
    font-family: var(--font-body);
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

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

.cta-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    font-family: var(--font-heading);
    font-size: var(--font-size-base);
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
    cursor: pointer;
    border: none;
}

.cta-button.primary {
    background: var(--accent);
    color: white;
    box-shadow: 0 4px 16px rgba(0, 123, 255, 0.25);
}

.cta-button.primary:hover {
    background: var(--accent-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 123, 255, 0.35);
}

.cta-button.primary:active {
    transform: translateY(0);
}

.cta-button.large {
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: var(--font-size-lg);
    border-radius: var(--radius-xl);
}

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

.cta-button.secondary:hover {
    background: var(--accent);
    color: white;
}

.play-icon {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
}

.cta-button.large .play-icon {
    width: 28px;
    height: 28px;
}

/* ==================== GOOGLE PLAY BADGE ==================== */

.play-badge-link {
    display: inline-block;
    transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.play-badge-link:hover {
    transform: scale(1.05);
}

.play-badge-link:active {
    transform: scale(0.98);
}

.play-badge {
    height: 70px;
    width: auto;
}

.play-badge-large {
    height: 90px;
}

@media (max-width: 600px) {
    .play-badge {
        height: 65px;
    }

    .play-badge-large {
        height: 75px;
    }
}

/* ==================== PRIVACY BADGE ==================== */

.privacy-badge {
    background: linear-gradient(135deg, var(--green) 0%, var(--green-dark) 100%);
    padding: var(--spacing-lg) var(--spacing-md);
    color: white;
}

.badge-content {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.badge-icon {
    font-size: 3rem;
    flex-shrink: 0;
    filter: brightness(0) invert(1);
}

.badge-icon-svg {
    flex-shrink: 0;
    color: white;
    width: 48px;
    height: 48px;
}

.badge-text h2 {
    font-family: var(--font-heading);
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: white;
    margin-bottom: var(--spacing-xs);
}

.badge-text p {
    color: rgba(255, 255, 255, 0.9);
    font-size: var(--font-size-base);
}

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

.features {
    padding: var(--spacing-xl) var(--spacing-md);
    background: var(--bg-primary);
}

.section-title {
    text-align: center;
    font-family: var(--font-heading);
    font-size: var(--font-size-2xl);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    border: 1px solid var(--border);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px var(--shadow-hover);
}

.feature-icon {
    font-size: 2.5rem;
    display: block;
    margin-bottom: var(--spacing-sm);
    color: var(--orange);
}

.feature-card h3 {
    font-family: var(--font-heading);
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.feature-card p {
    font-family: var(--font-body);
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    line-height: 1.5;
}

/* ==================== APP GALLERY (Trust-Building) ==================== */

.app-gallery {
    padding: var(--spacing-xl) var(--spacing-md);
    background: var(--bg-secondary);
}

.section-subtitle {
    text-align: center;
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    margin-top: calc(-1 * var(--spacing-md));
    margin-bottom: var(--spacing-lg);
}

.gallery-group {
    max-width: 1000px;
    margin: 0 auto var(--spacing-lg);
}

.gallery-group:last-child {
    margin-bottom: 0;
}

.gallery-group-title {
    text-align: center;
    font-family: var(--font-heading);
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--accent);
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    justify-items: center;
}

.gallery-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    margin: 0;
}

.gallery-screenshot {
    width: 100%;
    max-width: 200px;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
    border: 2px solid transparent;
}

.gallery-screenshot:hover {
    transform: translateY(-6px) scale(1.02);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.2);
    border-color: var(--green);
}

.gallery-label {
    font-family: var(--font-body);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-secondary);
    text-align: center;
}

/* ==================== APP PREVIEW / SCREENSHOTS ==================== */

.app-preview {
    padding: var(--spacing-xl) var(--spacing-md);
    background: var(--bg-primary);
}

.screenshots-container {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
    max-width: 1000px;
    margin: 0 auto;
}

.screenshot-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
}

.screenshot {
    width: 220px;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.15);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.screenshot:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.25);
}

.screenshot-label {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ==================== SEO CONTENT ==================== */

.seo-content {
    padding: var(--spacing-lg) var(--spacing-md);
    background: var(--bg-secondary);
}

.seo-content-inner {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.seo-content p {
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ==================== FINAL CTA ==================== */

.final-cta {
    padding: var(--spacing-xl) var(--spacing-md);
    text-align: center;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
}

.final-cta h2 {
    font-family: var(--font-heading);
    font-size: var(--font-size-2xl);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.final-cta .cta-button.primary {
    background: var(--accent);
    color: white;
    box-shadow: 0 4px 16px rgba(0, 123, 255, 0.3);
}

.final-cta .cta-button.primary:hover {
    background: var(--accent-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 123, 255, 0.4);
}

.cta-subtext {
    margin-top: var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

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

.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    padding: var(--spacing-lg) var(--spacing-md);
}

.footer-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.footer-brand {
    margin-bottom: var(--spacing-md);
}

.footer-logo {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-family: var(--font-heading);
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--text-primary);
}

.footer-logo-icon {
    width: 28px;
    height: 28px;
    border-radius: 6px;
}

.footer-brand p {
    color: var(--text-secondary);
    margin-top: var(--spacing-xs);
}

.footer-links {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--accent);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--accent-dark);
    text-decoration: underline;
}

.footer-divider {
    color: var(--text-muted);
}

.footer-privacy {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: var(--bg-card);
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
}

.footer-privacy strong {
    font-family: var(--font-heading);
    color: var(--green);
}

.footer-ai-friendly {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-xs);
}

.footer-ai-friendly small {
    opacity: 0.8;
}

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

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

@media (max-width: 600px) {
    :root {
        --font-size-3xl: 2rem;
        --font-size-2xl: 1.5rem;
        --font-size-xl: 1.25rem;
        --spacing-lg: 32px;
        --spacing-xl: 48px;
    }

    .hero {
        min-height: auto;
        padding: var(--spacing-xl) var(--spacing-sm);
        padding-top: calc(var(--spacing-xl) + 60px); /* Account for theme toggle */
    }

    .logo-icon {
        font-size: 2.5rem;
    }

    .logo-icon-img {
        width: 52px;
        height: 52px;
    }

    .privacy-badge {
        padding: var(--spacing-md) var(--spacing-sm);
    }

    .badge-content {
        flex-direction: column;
        text-align: center;
    }

    .badge-icon {
        font-size: 2.5rem;
    }

    .badge-icon-svg {
        width: 40px;
        height: 40px;
    }

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

    .feature-card {
        padding: var(--spacing-sm);
    }

    .feature-icon {
        font-size: 1.75rem;
        margin-bottom: var(--spacing-xs);
    }

    .feature-card h3 {
        font-size: var(--font-size-base);
        margin-bottom: 4px;
    }

    .feature-card p {
        font-size: 0.75rem;
        line-height: 1.4;
    }

    .cta-button.large {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: var(--font-size-base);
    }

    .screenshots-container {
        gap: var(--spacing-md);
    }

    .screenshot {
        width: 160px;
    }

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

    /* Gallery responsive */
    .gallery-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-sm);
    }

    .gallery-screenshot {
        max-width: 100px;
        border-radius: var(--radius-md);
    }

    .gallery-label {
        font-size: 0.7rem;
    }

    .gallery-group-title {
        font-size: var(--font-size-base);
    }

    .section-subtitle {
        font-size: var(--font-size-base);
    }

    .footer-links {
        flex-direction: column;
        gap: var(--spacing-xs);
    }

    .footer-divider {
        display: none;
    }

    .theme-toggle {
        width: 44px;
        height: 44px;
    }
}

/* ==================== ACCESSIBILITY ==================== */

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    html {
        scroll-behavior: auto;
    }
}

/* Focus styles for keyboard navigation */
a:focus-visible,
button:focus-visible {
    outline: 3px solid var(--accent);
    outline-offset: 2px;
}

/* Skip link for accessibility */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--accent);
    color: white;
    font-family: var(--font-heading);
    padding: var(--spacing-xs) var(--spacing-sm);
    z-index: 9999;
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: 0;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --border: #000000;
        --text-primary: #000000;
        --text-secondary: #333333;
    }

    [data-theme="dark"] {
        --border: #FFFFFF;
        --text-primary: #FFFFFF;
        --text-secondary: #E0E0E0;
    }

    .cta-button.primary {
        border: 2px solid white;
    }

    .privacy-badge {
        border: 2px solid white;
    }
}

/* ==================== STICKY MOBILE CTA ==================== */

.sticky-cta {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--spacing-sm);
    background: var(--bg-primary);
    border-top: 1px solid var(--border);
    z-index: 100;
    padding-bottom: max(var(--spacing-sm), env(safe-area-inset-bottom));
    transition: opacity 0.3s ease;
}

.sticky-button {
    display: block;
    width: 100%;
    padding: var(--spacing-sm);
    background: var(--accent);
    color: white;
    font-family: var(--font-heading);
    font-size: var(--font-size-base);
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: background var(--transition-fast);
    box-shadow: 0 2px 12px rgba(0, 123, 255, 0.3);
}

.sticky-button:active {
    background: var(--accent-dark);
}

@media (max-width: 600px) {
    .sticky-cta {
        display: block;
    }

    .footer {
        padding-bottom: calc(var(--spacing-lg) + 70px);
    }
}

/* ==================== FADE-IN ANIMATIONS ==================== */

.fade-in {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

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

/* Print styles */
@media print {
    .theme-toggle,
    .cta-button,
    .sticky-cta {
        display: none !important;
    }

    body {
        background: white;
        color: black;
    }
}