/* ============================================
   SayScribe — Website Styles
   ============================================ */

/* --- Custom Properties --- */
:root {
    --bg-primary: #0C1120;
    --bg-secondary: #151D2D;
    --bg-card: #1A2332;
    --accent: #3A82FF;
    --accent-hover: #2563EB;
    --text-primary: #FFFFFF;
    --text-secondary: #8E99AE;
    --text-tertiary: #5A6478;
    --warning: #F59E0B;
    --border-glass: rgba(255, 255, 255, 0.08);
    --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.25);
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 40px;
    --spacing-2xl: 64px;
    --spacing-3xl: 96px;
    --max-width: 1120px;
    --font-stack: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', system-ui, sans-serif;
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-stack);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: var(--accent);
    text-decoration: none;
    transition: color 0.2s;
}

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

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

/* --- Typography --- */
h1, h2, h3, h4 {
    line-height: 1.2;
    font-weight: 700;
}

h1 { font-size: clamp(2rem, 5vw, 3.25rem); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.25rem); }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.1rem; }

p {
    color: var(--text-secondary);
    font-size: 1.05rem;
}

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

section {
    padding: var(--spacing-3xl) 0;
}

/* --- Navigation --- */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: var(--spacing-md) 0;
    background: rgba(12, 17, 32, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-glass);
    transition: background 0.3s;
}

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

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

.nav-logo {
    height: 32px;
    width: auto;
}

/* --- Hero Logo --- */
.hero-logo {
    height: 72px;
    width: auto;
    margin: 0 auto var(--spacing-lg);
}

@media (max-width: 600px) {
    .hero-logo {
        height: 52px;
    }
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    list-style: none;
}

.nav-links a {
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
    transition: color 0.2s;
}

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

.nav-cta {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--accent);
    color: var(--text-primary) !important;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.9rem;
    transition: background 0.2s, transform 0.2s;
}

.nav-cta:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
}

/* Mobile nav */
.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: var(--spacing-xs);
}

@media (max-width: 768px) {
    .nav-toggle {
        display: block;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        background: rgba(12, 17, 32, 0.95);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        padding: var(--spacing-lg);
        border-bottom: 1px solid var(--border-glass);
        gap: var(--spacing-md);
    }

    .nav-links.open {
        display: flex;
    }
}

/* --- Hero --- */
.hero {
    padding-top: calc(var(--spacing-3xl) + 60px);
    padding-bottom: var(--spacing-3xl);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(58, 130, 255, 0.12) 0%, transparent 70%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xs) var(--spacing-md);
    background: rgba(58, 130, 255, 0.12);
    border: 1px solid rgba(58, 130, 255, 0.25);
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent);
    margin-bottom: var(--spacing-lg);
}

.hero h1 {
    margin-bottom: var(--spacing-md);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero h1 .accent {
    color: var(--accent);
}

.hero p {
    font-size: 1.2rem;
    max-width: 560px;
    margin: 0 auto var(--spacing-xl);
}

.hero-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.app-store-badge {
    height: 54px;
    transition: transform 0.2s, opacity 0.2s;
}

.app-store-badge:hover {
    transform: scale(1.05);
    opacity: 0.9;
}

.hero-secondary {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 14px var(--spacing-lg);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
    transition: border-color 0.2s, color 0.2s;
}

.hero-secondary:hover {
    border-color: var(--accent);
    color: var(--text-primary);
}

.hero-image {
    margin-top: var(--spacing-2xl);
    display: flex;
    justify-content: center;
}

.hero-image .placeholder {
    width: 280px;
    height: 560px;
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-tertiary);
    font-size: 0.85rem;
    box-shadow: var(--shadow-card), 0 0 80px rgba(58, 130, 255, 0.08);
}

/* --- Features --- */
.features {
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-header p {
    max-width: 500px;
    margin: var(--spacing-md) auto 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

@media (max-width: 900px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .features-grid {
        grid-template-columns: 1fr;
    }
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl) var(--spacing-lg);
    transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
    transform: translateY(-4px);
    border-color: rgba(58, 130, 255, 0.2);
    box-shadow: var(--shadow-card);
}

.feature-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background: rgba(58, 130, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    margin-bottom: var(--spacing-md);
}

.feature-card h3 {
    margin-bottom: var(--spacing-sm);
}

.feature-card p {
    font-size: 0.95rem;
    line-height: 1.6;
}

/* --- How It Works --- */
.how-it-works {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-glass);
    border-bottom: 1px solid var(--border-glass);
}

.steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
    counter-reset: step;
}

@media (max-width: 768px) {
    .steps {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
}

.step {
    text-align: center;
    counter-increment: step;
}

.step-number {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: rgba(58, 130, 255, 0.1);
    border: 2px solid var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--accent);
    margin: 0 auto var(--spacing-md);
}

.step h3 {
    margin-bottom: var(--spacing-sm);
}

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

/* --- Pricing --- */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
}

@media (max-width: 1000px) {
    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .pricing-grid {
        grid-template-columns: 1fr;
    }
}

.pricing-card {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    position: relative;
    transition: transform 0.3s, border-color 0.3s;
}

.pricing-card:hover {
    transform: translateY(-4px);
}

.pricing-card.popular {
    border-color: var(--accent);
    box-shadow: 0 0 40px rgba(58, 130, 255, 0.12);
}

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent);
    color: white;
    font-size: 0.75rem;
    font-weight: 700;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 999px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    white-space: nowrap;
}

.pricing-card h3 {
    margin-bottom: var(--spacing-xs);
}

.pricing-price {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.pricing-price span {
    font-size: 0.9rem;
    font-weight: 400;
    color: var(--text-secondary);
}

.pricing-features {
    list-style: none;
    flex: 1;
    margin-bottom: var(--spacing-lg);
}

.pricing-features li {
    padding: var(--spacing-xs) 0;
    font-size: 0.9rem;
    color: var(--text-secondary);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
}

.pricing-features li::before {
    content: '✓';
    color: var(--accent);
    font-weight: 700;
    flex-shrink: 0;
}

.pricing-cta {
    display: block;
    text-align: center;
    padding: 12px;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.95rem;
    transition: background 0.2s, transform 0.2s;
    border: 1px solid var(--border-glass);
    color: var(--text-primary);
}

.pricing-cta:hover {
    transform: translateY(-1px);
    color: var(--text-primary);
}

.pricing-card.popular .pricing-cta {
    background: var(--accent);
    border-color: var(--accent);
}

.pricing-card.popular .pricing-cta:hover {
    background: var(--accent-hover);
}

.pricing-note {
    text-align: center;
    margin-top: var(--spacing-xl);
    font-size: 0.9rem;
    color: var(--text-tertiary);
}

/* --- CTA Section --- */
.cta-section {
    text-align: center;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-glass);
}

.cta-section h2 {
    margin-bottom: var(--spacing-md);
}

.cta-section p {
    max-width: 480px;
    margin: 0 auto var(--spacing-xl);
}

/* --- Footer --- */
.footer {
    padding: var(--spacing-xl) 0;
    border-top: 1px solid var(--border-glass);
}

.footer .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.footer-brand {
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    gap: var(--spacing-lg);
    list-style: none;
}

.footer-links a {
    color: var(--text-tertiary);
    font-size: 0.9rem;
    transition: color 0.2s;
}

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

@media (max-width: 600px) {
    .footer .container {
        flex-direction: column;
        text-align: center;
    }
}

/* --- Legal Pages --- */
.legal {
    padding-top: calc(var(--spacing-3xl) + 60px);
    padding-bottom: var(--spacing-3xl);
}

.legal-content {
    max-width: 720px;
    margin: 0 auto;
}

.legal-content h1 {
    margin-bottom: var(--spacing-sm);
}

.legal-content .last-updated {
    color: var(--text-tertiary);
    font-size: 0.95rem;
    margin-bottom: var(--spacing-2xl);
}

.legal-content h2 {
    font-size: 1.35rem;
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
}

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

.legal-content ul {
    margin-bottom: var(--spacing-md);
    padding-left: var(--spacing-lg);
}

.legal-content li {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
    font-size: 1.05rem;
}

.legal-content strong {
    color: var(--text-primary);
}

.legal-content a {
    color: var(--accent);
}

/* --- Animations --- */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Stagger children */
.fade-in-group > * {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.fade-in-group.visible > *:nth-child(1) { transition-delay: 0ms; opacity: 1; transform: translateY(0); }
.fade-in-group.visible > *:nth-child(2) { transition-delay: 80ms; opacity: 1; transform: translateY(0); }
.fade-in-group.visible > *:nth-child(3) { transition-delay: 160ms; opacity: 1; transform: translateY(0); }
.fade-in-group.visible > *:nth-child(4) { transition-delay: 240ms; opacity: 1; transform: translateY(0); }
.fade-in-group.visible > *:nth-child(5) { transition-delay: 320ms; opacity: 1; transform: translateY(0); }
.fade-in-group.visible > *:nth-child(6) { transition-delay: 400ms; opacity: 1; transform: translateY(0); }