/* ==========================================================================
   Numly - Editorial Journal Design System
   Mindful. Analog. Minimal.
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS Custom Properties
   -------------------------------------------------------------------------- */
:root {
    /* Color Palette - Warm Paper Tones */
    --color-paper: #FFFEF9;
    --color-paper-warm: #FAF8F5;
    --color-paper-dark: #F5F2ED;
    --color-cream: #EDE8E0;

    /* Ink Colors */
    --color-ink: #2C2825;
    --color-ink-light: #4A4543;
    --color-ink-muted: #7A7571;
    --color-ink-faint: #A8A29E;

    /* Accent Colors */
    --color-accent: #3D5A80;
    --color-accent-warm: #C97B5A;
    --color-accent-soft: #D4C5B9;
    --color-accent-highlight: #E8DDD4;

    /* Functional Colors */
    --color-link: #3D5A80;
    --color-photo: #C97B5A;
    --color-file: #6B8E7A;

    /* Typography */
    --font-serif: 'Playfair Display', Georgia, 'Times New Roman', serif;
    --font-sans: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    --font-mono: 'JetBrains Mono', 'SF Mono', Monaco, 'Consolas', monospace;

    /* Font Sizes - Generous Scale */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 2rem;
    --text-4xl: 2.5rem;
    --text-5xl: 3.5rem;
    --text-6xl: 4.5rem;

    /* Spacing - Generous, Breathing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;
    --space-32: 8rem;

    /* Layout */
    --container-max: 1200px;
    --container-narrow: 800px;

    /* Borders */
    --border-thin: 1px solid var(--color-cream);
    --border-accent: 1px solid var(--color-accent-soft);

    /* Shadows - Subtle */
    --shadow-sm: 0 1px 2px rgba(44, 40, 37, 0.04);
    --shadow-md: 0 4px 12px rgba(44, 40, 37, 0.06);
    --shadow-lg: 0 8px 24px rgba(44, 40, 37, 0.08);

    /* Transitions - Slow, Thoughtful */
    --transition-fast: 0.2s ease;
    --transition-base: 0.4s ease;
    --transition-slow: 0.6s ease;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 20px;
}

/* Dark Mode */
@media (prefers-color-scheme: dark) {
    :root {
        --color-paper: #1C1A18;
        --color-paper-warm: #242220;
        --color-paper-dark: #2C2A28;
        --color-cream: #3A3836;

        --color-ink: #F5F2ED;
        --color-ink-light: #D4D0CA;
        --color-ink-muted: #A8A29E;
        --color-ink-faint: #6A6562;

        --color-accent: #7BA3C9;
        --color-accent-warm: #E09A7A;
        --color-accent-soft: #5A5450;
        --color-accent-highlight: #3A3634;

        --border-thin: 1px solid var(--color-cream);
        --border-accent: 1px solid var(--color-accent-soft);

        --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.2);
        --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.3);
        --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.4);
    }
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

body {
    font-family: var(--font-sans);
    font-size: var(--text-base);
    font-weight: 400;
    line-height: 1.7;
    color: var(--color-ink);
    background-color: var(--color-paper);
    overflow-x: hidden;
}

/* Language Toggle */
[data-lang="en"] .lang-es,
[data-lang="es"] .lang-en {
    display: none !important;
}

/* Container */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-6);
}

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

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

/* Selection */
::selection {
    background-color: var(--color-accent-highlight);
    color: var(--color-ink);
}

/* --------------------------------------------------------------------------
   Typography
   -------------------------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-serif);
    font-weight: 500;
    line-height: 1.2;
    letter-spacing: -0.01em;
}

h1 { font-size: var(--text-5xl); }
h2 { font-size: var(--text-4xl); }
h3 { font-size: var(--text-2xl); }
h4 { font-size: var(--text-xl); }

@media (max-width: 768px) {
    h1 { font-size: var(--text-4xl); }
    h2 { font-size: var(--text-3xl); }
    h3 { font-size: var(--text-xl); }
}

p {
    color: var(--color-ink-light);
}

em {
    font-style: italic;
}

strong {
    font-weight: 500;
}

/* --------------------------------------------------------------------------
   Navigation
   -------------------------------------------------------------------------- */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(250, 248, 245, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: var(--border-thin);
}

@media (prefers-color-scheme: dark) {
    .nav {
        background: rgba(28, 26, 24, 0.9);
    }
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: var(--space-4) var(--space-6);
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-family: var(--font-serif);
    font-size: var(--text-lg);
    font-weight: 500;
    color: var(--color-ink);
}

.nav-logo img {
    border-radius: var(--radius-sm);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-8);
}

.nav-links a {
    font-size: var(--text-sm);
    color: var(--color-ink-muted);
    transition: color var(--transition-fast);
}

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.lang-toggle {
    padding: var(--space-2) var(--space-3);
    font-family: var(--font-sans);
    font-size: var(--text-xs);
    font-weight: 500;
    color: var(--color-ink-muted);
    background: transparent;
    border: var(--border-thin);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.lang-toggle:hover {
    color: var(--color-ink);
    border-color: var(--color-ink-muted);
}

.nav-cta {
    padding: var(--space-2) var(--space-5);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-paper);
    background: var(--color-ink);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

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

/* Mobile Navigation */
.nav-mobile-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 24px;
    height: 24px;
    background: transparent;
    border: none;
    cursor: pointer;
}

.nav-mobile-toggle span {
    width: 100%;
    height: 1.5px;
    background: var(--color-ink);
    transition: all var(--transition-fast);
}

.nav-mobile-menu {
    display: none;
    flex-direction: column;
    padding: var(--space-4) var(--space-6) var(--space-8);
    background: var(--color-paper);
    border-bottom: var(--border-thin);
}

.nav-mobile-menu a {
    padding: var(--space-3) 0;
    font-size: var(--text-base);
    color: var(--color-ink-muted);
    border-bottom: var(--border-thin);
}

.nav-mobile-menu a:last-child {
    border-bottom: none;
}

.nav-mobile-menu .nav-cta {
    display: inline-block;
    margin-top: var(--space-4);
    text-align: center;
}

@media (max-width: 768px) {
    .nav-links,
    .nav-actions {
        display: none;
    }

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

    .nav.menu-open .nav-mobile-menu {
        display: flex;
    }

    .nav.menu-open .nav-mobile-toggle span:first-child {
        transform: rotate(45deg) translate(4px, 4px);
    }

    .nav.menu-open .nav-mobile-toggle span:last-child {
        transform: rotate(-45deg) translate(4px, -4px);
    }
}

/* --------------------------------------------------------------------------
   Hero Section
   -------------------------------------------------------------------------- */
.hero {
    position: relative;
    min-height: 100vh;
    padding: calc(80px + var(--space-16)) 0 var(--space-16);
    overflow: hidden;
}

.hero-background {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.hero-grain {
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
    opacity: 0.03;
}

.hero-lines {
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(
        to bottom,
        transparent 0,
        transparent 39px,
        var(--color-cream) 39px,
        var(--color-cream) 40px
    );
    opacity: 0.4;
    mask-image: linear-gradient(to bottom, transparent 0%, black 20%, black 80%, transparent 100%);
    -webkit-mask-image: linear-gradient(to bottom, transparent 0%, black 20%, black 80%, transparent 100%);
}

.hero > .container {
    position: relative;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
    min-height: calc(100vh - 80px - var(--space-32));
}

@media (max-width: 1024px) {
    .hero > .container {
        grid-template-columns: 1fr;
        gap: var(--space-12);
        text-align: center;
    }
}

/* Hero Content */
.hero-content {
    animation: fadeSlideUp 0.8s ease both;
}

@keyframes fadeSlideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-badge {
    display: inline-block;
    margin-bottom: var(--space-6);
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-xs);
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--color-accent);
    background: var(--color-accent-highlight);
    border-radius: var(--radius-sm);
    animation: fadeSlideUp 0.8s ease 0.1s both;
}

.hero-title {
    margin-bottom: var(--space-6);
    font-size: var(--text-6xl);
    font-weight: 400;
    line-height: 1.1;
    color: var(--color-ink);
    animation: fadeSlideUp 0.8s ease 0.2s both;
}

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

@media (max-width: 768px) {
    .hero-title {
        font-size: var(--text-4xl);
    }
}

.hero-subtitle {
    margin-bottom: var(--space-8);
    font-size: var(--text-lg);
    line-height: 1.8;
    color: var(--color-ink-light);
    animation: fadeSlideUp 0.8s ease 0.3s both;
}

.number-highlight {
    font-family: var(--font-mono);
    font-weight: 600;
    color: var(--color-accent-warm);
}

/* Content Types */
.hero-content-types {
    display: flex;
    gap: var(--space-4);
    margin-bottom: var(--space-10);
    animation: fadeSlideUp 0.8s ease 0.4s both;
}

@media (max-width: 1024px) {
    .hero-content-types {
        justify-content: center;
    }
}

.content-type {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-5);
    background: var(--color-paper);
    border: var(--border-thin);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.content-type:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-accent-soft);
}

.content-type[data-type="links"]:hover {
    border-color: var(--color-link);
}

.content-type[data-type="photos"]:hover {
    border-color: var(--color-photo);
}

.content-type[data-type="files"]:hover {
    border-color: var(--color-file);
}

.content-type-icon {
    width: 28px;
    height: 28px;
    color: var(--color-ink-muted);
}

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

.content-type span:not(.content-type-icon) {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-ink-light);
}

/* Hero CTA */
.hero-cta {
    display: inline-flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-8);
    font-size: var(--text-base);
    font-weight: 500;
    color: var(--color-paper);
    background: var(--color-ink);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    animation: fadeSlideUp 0.8s ease 0.5s both;
}

.hero-cta:hover {
    background: var(--color-ink-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.hero-cta svg {
    width: 20px;
    height: 20px;
    transition: transform var(--transition-fast);
}

.hero-cta:hover svg {
    transform: translateX(4px);
}

.hero-platforms {
    margin-top: var(--space-4);
    font-size: var(--text-sm);
    color: var(--color-ink-faint);
    animation: fadeSlideUp 0.8s ease 0.6s both;
}

/* Hero Visual */
.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    animation: fadeSlideUp 0.8s ease 0.4s both;
}

.hero-phone {
    position: relative;
    z-index: 2;
}

.phone-frame {
    position: relative;
    width: 280px;
    padding: var(--space-3);
    background: var(--color-ink);
    border-radius: 40px;
    box-shadow: var(--shadow-lg);
}

@media (prefers-color-scheme: dark) {
    .phone-frame {
        background: var(--color-cream);
    }
}

.phone-screen {
    width: 100%;
    border-radius: 32px;
}

.phone-glow {
    position: absolute;
    inset: -20%;
    background: radial-gradient(circle, var(--color-accent-highlight) 0%, transparent 70%);
    opacity: 0.5;
    z-index: -1;
    filter: blur(40px);
}

/* Journal Illustration */
.hero-journal {
    position: absolute;
    right: -60px;
    bottom: -40px;
    z-index: 1;
    transform: rotate(6deg);
}

@media (max-width: 1024px) {
    .hero-journal {
        display: none;
    }
}

.journal-page {
    position: relative;
    width: 200px;
    padding: var(--space-6);
    background: var(--color-paper);
    border: var(--border-thin);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-md);
}

.journal-lines {
    position: absolute;
    inset: var(--space-6);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.journal-lines span {
    width: 100%;
    height: 1px;
    background: var(--color-cream);
}

.journal-content {
    position: relative;
}

.journal-date {
    margin-bottom: var(--space-4);
    font-family: var(--font-serif);
    font-size: var(--text-sm);
    font-style: italic;
    color: var(--color-ink-faint);
}

.journal-entry {
    margin-bottom: var(--space-2);
    font-size: var(--text-sm);
    color: var(--color-ink-light);
}

.journal-bullet {
    color: var(--color-ink-faint);
    margin-right: var(--space-2);
}

.journal-number {
    font-family: var(--font-mono);
    font-weight: 500;
    color: var(--color-accent-warm);
}

/* --------------------------------------------------------------------------
   Bridge Section
   -------------------------------------------------------------------------- */
.bridge {
    padding: var(--space-24) 0;
    background: var(--color-paper-dark);
}

.bridge-visual {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-8);
}

@media (max-width: 768px) {
    .bridge-visual {
        flex-direction: column;
        gap: var(--space-6);
    }
}

.bridge-side {
    flex: 1;
    max-width: 280px;
    padding: var(--space-8);
    text-align: center;
    background: var(--color-paper);
    border: var(--border-thin);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.bridge-side:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.bridge-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--space-4);
    color: var(--color-ink-muted);
}

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

.bridge-side h3 {
    margin-bottom: var(--space-2);
    font-family: var(--font-serif);
    font-size: var(--text-xl);
    color: var(--color-ink);
}

.bridge-side p {
    font-size: var(--text-sm);
    color: var(--color-ink-muted);
}

.bridge-connector {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-4);
}

@media (max-width: 768px) {
    .bridge-connector {
        transform: rotate(90deg);
    }
}

.bridge-number {
    font-family: var(--font-mono);
    font-size: var(--text-3xl);
    font-weight: 600;
    color: var(--color-accent-warm);
}

.bridge-arrows {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.bridge-arrows span {
    width: 40px;
    height: 2px;
    background: linear-gradient(90deg, var(--color-accent-soft), var(--color-accent-warm), var(--color-accent-soft));
    animation: pulse 2s ease-in-out infinite;
}

.bridge-arrows span:first-child {
    animation-delay: 0s;
}

.bridge-arrows span:last-child {
    animation-delay: 0.3s;
}

@keyframes pulse {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 1; }
}

/* --------------------------------------------------------------------------
   Section Headers
   -------------------------------------------------------------------------- */
.section-header {
    text-align: center;
    margin-bottom: var(--space-16);
}

.section-number {
    display: block;
    margin-bottom: var(--space-4);
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    font-weight: 500;
    letter-spacing: 0.1em;
    color: var(--color-accent);
}

.section-title {
    margin-bottom: var(--space-4);
    font-size: var(--text-4xl);
    color: var(--color-ink);
}

.section-subtitle {
    font-size: var(--text-lg);
    color: var(--color-ink-muted);
}

/* --------------------------------------------------------------------------
   How It Works Section
   -------------------------------------------------------------------------- */
.how-it-works {
    padding: var(--space-24) 0;
}

.steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
}

@media (max-width: 768px) {
    .steps {
        grid-template-columns: 1fr;
        gap: var(--space-10);
    }
}

.step {
    position: relative;
    padding: var(--space-8);
    background: var(--color-paper-warm);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.step:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.step-number {
    position: absolute;
    top: var(--space-6);
    right: var(--space-6);
    font-family: var(--font-serif);
    font-size: var(--text-5xl);
    font-weight: 600;
    line-height: 1;
    color: var(--color-cream);
}

@media (prefers-color-scheme: dark) {
    .step-number {
        color: var(--color-accent-soft);
        opacity: 0.3;
    }
}

.step-content h3 {
    margin-bottom: var(--space-3);
    font-family: var(--font-serif);
    font-size: var(--text-xl);
    color: var(--color-ink);
}

.step-content p {
    font-size: var(--text-base);
    color: var(--color-ink-light);
}

.step-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-top: var(--space-4);
}

.step-tag {
    padding: var(--space-1) var(--space-3);
    font-size: var(--text-xs);
    color: var(--color-ink-muted);
    background: var(--color-paper);
    border-radius: var(--radius-sm);
}

/* --------------------------------------------------------------------------
   Use Cases Section
   -------------------------------------------------------------------------- */
.use-cases {
    padding: var(--space-24) 0;
    background: var(--color-paper-dark);
}

.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
    margin-bottom: var(--space-12);
}

@media (max-width: 768px) {
    .use-cases-grid {
        grid-template-columns: 1fr;
    }
}

.use-case {
    position: relative;
    padding: var(--space-8);
    background: var(--color-paper);
    border: var(--border-thin);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.use-case:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-accent-soft);
}

.use-case-number {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-accent-warm);
}

.use-case-type {
    margin-bottom: var(--space-4);
    font-size: var(--text-2xl);
}

.use-case h3 {
    margin-bottom: var(--space-2);
    font-family: var(--font-serif);
    font-size: var(--text-lg);
    color: var(--color-ink);
}

.use-case p {
    font-size: var(--text-sm);
    color: var(--color-ink-muted);
}

.use-case-callout {
    max-width: var(--container-narrow);
    margin: 0 auto;
    padding: var(--space-8);
    text-align: center;
    border-left: 3px solid var(--color-accent-soft);
    background: var(--color-paper);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.use-case-callout blockquote p {
    font-family: var(--font-serif);
    font-size: var(--text-lg);
    font-style: italic;
    color: var(--color-ink-light);
}

/* --------------------------------------------------------------------------
   Features Section
   -------------------------------------------------------------------------- */
.features {
    padding: var(--space-24) 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
}

@media (max-width: 768px) {
    .features-grid {
        grid-template-columns: 1fr;
    }
}

.feature {
    padding: var(--space-8);
    background: var(--color-paper-warm);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.feature:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.feature-icon {
    width: 48px;
    height: 48px;
    margin-bottom: var(--space-4);
    color: var(--color-accent);
}

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

.feature h3 {
    margin-bottom: var(--space-2);
    font-family: var(--font-serif);
    font-size: var(--text-xl);
    color: var(--color-ink);
}

.feature p {
    font-size: var(--text-base);
    color: var(--color-ink-muted);
}

/* --------------------------------------------------------------------------
   Screenshot Section
   -------------------------------------------------------------------------- */
.screenshot-section {
    padding: var(--space-16) 0;
    background: var(--color-paper-dark);
}

.screenshot-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-8);
    max-width: 700px;
    margin: 0 auto;
}

@media (max-width: 640px) {
    .screenshot-grid {
        grid-template-columns: 1fr;
        max-width: 280px;
    }
}

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

.screenshot-image {
    width: 100%;
    max-width: 280px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.screenshot-caption {
    margin-top: var(--space-6);
    font-family: var(--font-serif);
    font-size: var(--text-lg);
    font-style: italic;
    color: var(--color-ink-muted);
}

/* --------------------------------------------------------------------------
   Pricing Section
   -------------------------------------------------------------------------- */
.pricing {
    padding: var(--space-24) 0;
}

.pricing-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
    max-width: 700px;
    margin: 0 auto;
}

@media (max-width: 640px) {
    .pricing-cards {
        grid-template-columns: 1fr;
    }
}

.pricing-card {
    position: relative;
    padding: var(--space-8);
    background: var(--color-paper-warm);
    border: var(--border-thin);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all var(--transition-base);
}

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

.pricing-card-featured {
    background: var(--color-ink);
    border-color: var(--color-ink);
}

.pricing-card-featured .pricing-tier,
.pricing-card-featured .pricing-price,
.pricing-card-featured .pricing-features li {
    color: var(--color-paper);
}

.pricing-badge {
    position: absolute;
    top: calc(-1 * var(--space-3));
    left: 50%;
    transform: translateX(-50%);
    padding: var(--space-1) var(--space-3);
    font-size: var(--text-xs);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-paper);
    background: var(--color-accent-warm);
    border-radius: var(--radius-sm);
}

.pricing-tier {
    margin-bottom: var(--space-2);
    font-family: var(--font-serif);
    font-size: var(--text-xl);
    color: var(--color-ink);
}

.pricing-price {
    margin-bottom: var(--space-6);
    font-family: var(--font-mono);
    font-size: var(--text-4xl);
    font-weight: 600;
    color: var(--color-ink);
}

.pricing-features {
    list-style: none;
    text-align: left;
}

.pricing-features li {
    padding: var(--space-2) 0;
    font-size: var(--text-sm);
    color: var(--color-ink-light);
    border-bottom: var(--border-thin);
}

.pricing-features li:last-child {
    border-bottom: none;
}

.pricing-card-featured .pricing-features li {
    border-color: rgba(255, 255, 255, 0.1);
}

/* --------------------------------------------------------------------------
   FAQ Section
   -------------------------------------------------------------------------- */
.faq {
    padding: var(--space-24) 0;
    background: var(--color-paper-dark);
}

.faq-list {
    max-width: var(--container-narrow);
    margin: 0 auto;
}

.faq-item {
    margin-bottom: var(--space-4);
    background: var(--color-paper);
    border: var(--border-thin);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.faq-item summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-5) var(--space-6);
    font-family: var(--font-serif);
    font-size: var(--text-base);
    font-weight: 500;
    color: var(--color-ink);
    cursor: pointer;
    list-style: none;
    transition: background var(--transition-fast);
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary::after {
    content: '+';
    font-family: var(--font-sans);
    font-size: var(--text-xl);
    font-weight: 300;
    color: var(--color-ink-muted);
    transition: transform var(--transition-fast);
}

.faq-item[open] summary::after {
    transform: rotate(45deg);
}

.faq-item summary:hover {
    background: var(--color-paper-warm);
}

.faq-item p {
    padding: 0 var(--space-6) var(--space-5);
    font-size: var(--text-base);
    color: var(--color-ink-light);
}

/* --------------------------------------------------------------------------
   Download Section
   -------------------------------------------------------------------------- */
.download {
    padding: var(--space-24) 0;
    text-align: center;
}

.download-content {
    max-width: 500px;
    margin: 0 auto;
}

.download-title {
    margin-bottom: var(--space-4);
    font-family: var(--font-serif);
    font-size: var(--text-4xl);
    color: var(--color-ink);
}

.download-subtitle {
    margin-bottom: var(--space-8);
    font-size: var(--text-lg);
    color: var(--color-ink-muted);
}

.download-buttons {
    display: flex;
    justify-content: center;
    margin-bottom: var(--space-6);
}

.download-button {
    display: inline-flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-6);
    background: var(--color-ink);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.download-button:hover {
    background: var(--color-ink-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.download-button svg {
    width: 28px;
    height: 28px;
    color: var(--color-paper);
}

.download-button-text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    color: var(--color-paper);
}

.download-button-small {
    font-size: var(--text-xs);
    opacity: 0.8;
}

.download-button-large {
    font-size: var(--text-lg);
    font-weight: 500;
}

.download-requirements {
    font-size: var(--text-sm);
    color: var(--color-ink-faint);
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.footer {
    padding: var(--space-12) 0 var(--space-8);
    background: var(--color-paper-dark);
    border-top: var(--border-thin);
}

.footer-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-6);
    margin-bottom: var(--space-8);
}

@media (max-width: 640px) {
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-family: var(--font-serif);
    font-size: var(--text-base);
    font-weight: 500;
    color: var(--color-ink);
}

.footer-brand img {
    border-radius: var(--radius-sm);
}

.footer-links {
    display: flex;
    gap: var(--space-6);
}

.footer-links a {
    font-size: var(--text-sm);
    color: var(--color-ink-muted);
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    padding-top: var(--space-6);
    border-top: var(--border-thin);
    text-align: center;
}

.footer-bottom p {
    font-size: var(--text-sm);
    color: var(--color-ink-faint);
}

/* --------------------------------------------------------------------------
   Animations
   -------------------------------------------------------------------------- */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.animate-fade-in {
    animation: fadeIn 0.6s ease both;
}

/* Staggered animations for lists */
.steps .step:nth-child(1) { animation: fadeSlideUp 0.6s ease 0.1s both; }
.steps .step:nth-child(2) { animation: fadeSlideUp 0.6s ease 0.2s both; }
.steps .step:nth-child(3) { animation: fadeSlideUp 0.6s ease 0.3s both; }

.use-cases-grid .use-case:nth-child(1) { animation: fadeSlideUp 0.6s ease 0.1s both; }
.use-cases-grid .use-case:nth-child(2) { animation: fadeSlideUp 0.6s ease 0.2s both; }
.use-cases-grid .use-case:nth-child(3) { animation: fadeSlideUp 0.6s ease 0.3s both; }

.features-grid .feature:nth-child(1) { animation: fadeSlideUp 0.6s ease 0.1s both; }
.features-grid .feature:nth-child(2) { animation: fadeSlideUp 0.6s ease 0.2s both; }
.features-grid .feature:nth-child(3) { animation: fadeSlideUp 0.6s ease 0.3s both; }
.features-grid .feature:nth-child(4) { animation: fadeSlideUp 0.6s ease 0.4s both; }

/* --------------------------------------------------------------------------
   Utility Classes
   -------------------------------------------------------------------------- */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}