/* ===== Self-hosted Fonts ===== */
@font-face {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 400;
    font-display: swap;
    src: url('../assets/fonts/inter-v20-latin_latin-ext-regular.woff2') format('woff2');
}
@font-face {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 500;
    font-display: swap;
    src: url('../assets/fonts/inter-v20-latin_latin-ext-500.woff2') format('woff2');
}
@font-face {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 600;
    font-display: swap;
    src: url('../assets/fonts/inter-v20-latin_latin-ext-600.woff2') format('woff2');
}
@font-face {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 700;
    font-display: swap;
    src: url('../assets/fonts/inter-v20-latin_latin-ext-700.woff2') format('woff2');
}
@font-face {
    font-family: 'JetBrains Mono';
    font-style: normal;
    font-weight: 400;
    font-display: swap;
    src: url('../assets/fonts/jetbrains-mono-v24-latin_latin-ext-regular.woff2') format('woff2');
}
@font-face {
    font-family: 'JetBrains Mono';
    font-style: normal;
    font-weight: 500;
    font-display: swap;
    src: url('../assets/fonts/jetbrains-mono-v24-latin_latin-ext-500.woff2') format('woff2');
}

/* ===== CSS Variables ===== */
:root {
    /* Colors */
    --primary: #007AFF;
    --primary-dark: #0051D5;
    --secondary: #5856D6;
    --success: #34C759;
    --warning: #FF9500;
    --danger: #FF3B30;

    /* Grays */
    --gray-900: #1C1C1E;
    --gray-800: #2C2C2E;
    --gray-700: #3A3A3C;
    --gray-600: #48484A;
    --gray-500: #636366;
    --gray-400: #8E8E93;
    --gray-300: #C7C7CC;
    --gray-200: #E5E5EA;
    --gray-100: #F2F2F7;
    --gray-50: #F9FAFB;
    --white: #FFFFFF;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-hero: linear-gradient(135deg, #007AFF 0%, #5856D6 100%);

    /* Semantic Colors (light defaults) */
    --header-bg: rgba(255, 255, 255, 0.95);
    --header-bg-scrolled: rgba(255, 255, 255, 0.98);
    --hero-bg: #f0f2f5;
    --section-bg-alt: #f8fafb;
    --section-bg-default: #FFFFFF;
    --card-bg: #FFFFFF;
    --mobile-menu-bg: white;
    --carousel-btn-bg: rgba(255, 255, 255, 0.9);
    --carousel-btn-hover: white;
    --footer-bg: #1C1C1E;
    --footer-text: #E5E5EA;
    --footer-heading: white;
    --footer-link: #8E8E93;
    --footer-link-hover: white;
    --footer-border: #2C2C2E;
    --comparison-before-bg: rgba(255, 59, 48, 0.05);
    --comparison-after-bg: rgba(52, 199, 89, 0.05);
    --comparison-before-border: rgba(255, 59, 48, 0.2);
    --comparison-after-border: rgba(52, 199, 89, 0.2);
    --doc-icon-filter: none;
    --lang-dropdown-bg: linear-gradient(135deg, rgba(255, 255, 255, 0.98), rgba(248, 250, 252, 0.98));
    --lang-dropdown-option-bg: white;
    --hero-overlay-top: rgba(255, 255, 255, 0.65);
    --hero-overlay-mid: rgba(255, 255, 255, 0.45);
    --hero-overlay-bottom: rgba(255, 255, 255, 0.25);

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;
    --font-size-5xl: 3rem;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;

    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

    /* Layout */
    --header-height: 72px;
    --sidebar-width: 280px;
    --font-mono: 'JetBrains Mono', 'SF Mono', 'Monaco', monospace;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;
}

/* ===== Dark Mode Variables ===== */
@media (prefers-color-scheme: dark) {
    :root {
        color-scheme: dark;

        /* Accent Colors */
        --primary: #0A84FF;
        --primary-dark: #409CFF;
        --secondary: #7D7AFF;
        --success: #30D158;
        --warning: #FF9F0A;
        --danger: #FF453A;

        /* Gray Scale (inverted) */
        --gray-900: #F2F2F7;
        --gray-800: #E5E5EA;
        --gray-700: #D1D1D6;
        --gray-600: #AEAEB2;
        --gray-500: #8E8E93;
        --gray-400: #636366;
        --gray-300: #48484A;
        --gray-200: #3A3A3C;
        --gray-100: #2C2C2E;
        --gray-50: #1C1C1E;
        --white: #1C1C1E;

        /* Gradients */
        --gradient-primary: linear-gradient(135deg, #7D7AFF 0%, #BF5AF2 100%);
        --gradient-hero: linear-gradient(135deg, #0A84FF 0%, #7D7AFF 100%);

        /* Shadows (stronger for dark) */
        --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
        --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
        --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4);
        --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.5);
        --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.6);

        /* Semantic Colors */
        --header-bg: rgba(28, 28, 30, 0.95);
        --header-bg-scrolled: rgba(28, 28, 30, 0.98);
        --hero-bg: #000000;
        --section-bg-alt: #111113;
        --section-bg-default: #1C1C1E;
        --card-bg: #2C2C2E;
        --mobile-menu-bg: #2C2C2E;
        --carousel-btn-bg: rgba(44, 44, 46, 0.9);
        --carousel-btn-hover: rgba(58, 58, 60, 1);
        --footer-bg: #000000;
        --footer-text: #AEAEB2;
        --footer-heading: #F2F2F7;
        --footer-link: #8E8E93;
        --footer-link-hover: #F2F2F7;
        --footer-border: #2C2C2E;
        --comparison-before-bg: rgba(255, 69, 58, 0.08);
        --comparison-after-bg: rgba(48, 209, 88, 0.08);
        --comparison-before-border: rgba(255, 69, 58, 0.25);
        --comparison-after-border: rgba(48, 209, 88, 0.25);
        --doc-icon-filter: brightness(1.3);
        --lang-dropdown-bg: linear-gradient(135deg, rgba(44, 44, 46, 0.98), rgba(58, 58, 60, 0.98));
        --lang-dropdown-option-bg: #2C2C2E;
        --hero-overlay-top: rgba(0, 0, 0, 0.45);
        --hero-overlay-mid: rgba(0, 0, 0, 0.30);
        --hero-overlay-bottom: rgba(0, 0, 0, 0.15);
    }
}

/* ===== Global Styles ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--gray-900);
    background-color: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

h1 { font-size: var(--font-size-5xl); }
h2 { font-size: var(--font-size-4xl); }
h3 { font-size: var(--font-size-3xl); }
h4 { font-size: var(--font-size-2xl); }
h5 { font-size: var(--font-size-xl); }
h6 { font-size: var(--font-size-lg); }

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

a {
    color: var(--primary);
    text-decoration: none;
    transition: color var(--transition-slow);
}

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

/* ===== Focus States (Accessibility) ===== */
a:focus-visible,
button:focus-visible,
.nav-link:focus-visible,
.carousel-btn:focus-visible,
.dot:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

.btn:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
    box-shadow: 0 0 0 4px rgba(0, 122, 255, 0.2);
}

.btn-primary:focus-visible {
    outline-color: white;
}

.feature-card:focus-visible,
.persona-card:focus-visible,
.beta-card:focus-visible,
.support-card:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* ===== Header ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--header-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gray-200);
    z-index: 1000;
    transition: all var(--transition-slow);
}

.header--scrolled {
    background: var(--header-bg-scrolled);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
    color: inherit;
}

.logo-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
}

.logo-text {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--gray-900);
}

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

.nav-link {
    color: var(--gray-700);
    font-weight: 500;
    transition: color var(--transition-slow);
}

.nav-link:hover {
    color: var(--primary);
}

.language-selector {
    position: relative;
    display: inline-block;
}

.language-dropdown {
    appearance: none;
    background: var(--lang-dropdown-bg);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 122, 255, 0.15);
    border-radius: var(--radius-full);
    padding: 8px 36px 8px 16px;
    font-size: 13px;
    font-weight: 600;
    color: var(--gray-800);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    min-width: 100px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    position: relative;
}

.language-dropdown:hover {
    border-color: var(--primary);
    background: linear-gradient(135deg, var(--white), var(--gray-50));
    box-shadow: 0 4px 12px rgba(0, 122, 255, 0.15);
    transform: translateY(-1px);
}

.language-dropdown:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.1), 0 4px 12px rgba(0, 122, 255, 0.15);
}

.language-selector::after {
    content: '';
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    height: 0;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 5px solid var(--gray-500);
    pointer-events: none;
    transition: border-color 0.3s ease;
}

.language-dropdown:hover ~ .language-selector::after,
.language-selector:hover::after {
    border-top-color: var(--primary);
}

.language-dropdown option {
    background: var(--lang-dropdown-option-bg);
    color: var(--gray-900);
    font-weight: 500;
    padding: 8px 12px;
    font-size: 14px;
}

.language-dropdown option:hover {
    background: var(--gray-50);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--gray-700);
    transition: all var(--transition-slow);
}

/* ===== Hero Section ===== */
.hero {
    padding-top: calc(72px + var(--spacing-3xl));
    padding-bottom: var(--spacing-3xl);
    background: var(--hero-bg);
    position: relative;
    overflow: hidden;
}

/* Animierter Mesh-Gradient (Stripe-Stil) */
.hero-blur-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
    pointer-events: none;
}

.hero-blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    -webkit-filter: blur(80px);
    opacity: 0.65;
    will-change: transform;
}

.hero-blob-1 {
    width: 50%;
    height: 70%;
    top: -20%;
    left: -5%;
    background: #6366f1;
    animation: blob1 20s ease-in-out infinite;
}

.hero-blob-2 {
    width: 45%;
    height: 60%;
    top: 0%;
    right: -10%;
    background: #a855f7;
    animation: blob2 25s ease-in-out infinite;
}

.hero-blob-3 {
    width: 40%;
    height: 50%;
    bottom: -10%;
    left: 25%;
    background: #ec4899;
    animation: blob3 22s ease-in-out infinite;
}

.hero-blob-4 {
    width: 35%;
    height: 45%;
    top: 20%;
    left: 40%;
    background: #06b6d4;
    animation: blob4 18s ease-in-out infinite;
}

@keyframes blob1 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(20%, 15%) scale(1.15); }
    50% { transform: translate(-10%, 25%) scale(0.9); }
    75% { transform: translate(15%, -10%) scale(1.1); }
}

@keyframes blob2 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(-20%, 10%) scale(1.1); }
    50% { transform: translate(15%, -20%) scale(0.85); }
    75% { transform: translate(-10%, 15%) scale(1.15); }
}

@keyframes blob3 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(15%, -20%) scale(1.12); }
    50% { transform: translate(-20%, 10%) scale(0.88); }
    75% { transform: translate(10%, 20%) scale(1.08); }
}

@keyframes blob4 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(-15%, -15%) scale(1.2); }
    50% { transform: translate(20%, 10%) scale(0.85); }
    75% { transform: translate(-10%, -20%) scale(1.1); }
}

/* Lesbarkeits-Overlay */
.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        180deg,
        var(--hero-overlay-top) 0%,
        var(--hero-overlay-mid) 40%,
        var(--hero-overlay-bottom) 100%
    );
    z-index: 1;
    pointer-events: none;
}

.hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    background: var(--gradient-hero);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-sm);
}

.hero-subtitle {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: var(--spacing-lg);
}

.hero-description {
    font-size: var(--font-size-lg);
    color: var(--gray-500);
    margin-bottom: var(--spacing-xl);
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    justify-content: center;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: var(--font-size-base);
    transition: all var(--transition-slow);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--gradient-hero);
    color: white;
    box-shadow: var(--shadow-lg);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
    color: white;
}

.btn-secondary {
    background: var(--white);
    color: var(--gray-700);
    border: 2px solid var(--gray-200);
}

.btn-secondary:hover {
    background: var(--gray-100);
    border-color: var(--gray-300);
    color: var(--gray-900);
}

.btn-icon {
    width: 20px;
    height: 20px;
}

.btn-block {
    width: 100%;
    justify-content: center;
}

.hero-meta {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
}

.meta-item {
    font-size: var(--font-size-sm);
    color: var(--gray-500);
}

/* ===== Section Headers ===== */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-md);
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--gray-600);
}

/* ===== Features Section ===== */
.features {
    padding: var(--spacing-3xl) 0;
    background: var(--section-bg-alt);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.feature-card {
    padding: var(--spacing-xl);
    background: var(--white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
    transition: all var(--transition-slow);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.feature-icon {
    width: 48px;
    height: 48px;
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-sm);
    background: var(--gradient-hero);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-icon svg {
    width: 28px;
    height: 28px;
    stroke: white;
}

.feature-icon img {
    width: 36px;
    height: 36px;
    filter: brightness(0) invert(1);
}

/* Per-card color gradients */
.feature-card:nth-child(1) .feature-icon { background: linear-gradient(135deg, #007AFF, #5AC8FA); }
.feature-card:nth-child(2) .feature-icon { background: linear-gradient(135deg, #5856D6, #AF52DE); }
.feature-card:nth-child(3) .feature-icon { background: linear-gradient(135deg, #34C759, #30D158); }
.feature-card:nth-child(4) .feature-icon { background: linear-gradient(135deg, #FF9500, #FF6B35); }
.feature-card:nth-child(5) .feature-icon { background: linear-gradient(135deg, #636366, #8E8E93); }
.feature-card:nth-child(6) .feature-icon { background: linear-gradient(135deg, #FF3B30, #FF6961); }

.feature-card:nth-child(1):hover { border-color: #007AFF; }
.feature-card:nth-child(2):hover { border-color: #5856D6; }
.feature-card:nth-child(3):hover { border-color: #34C759; }
.feature-card:nth-child(4):hover { border-color: #FF9500; }
.feature-card:nth-child(5):hover { border-color: #636366; }
.feature-card:nth-child(6):hover { border-color: #FF3B30; }

.feature-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.feature-description {
    color: var(--gray-600);
    line-height: 1.6;
}

/* ===== For Whom Section ===== */
.for-whom {
    padding: var(--spacing-3xl) 0;
    background: var(--section-bg-default);
}

.personas-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--spacing-xl);
}

.persona-card {
    padding: var(--spacing-xl);
    background: var(--gray-100);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
    transition: all var(--transition-slow);
}

.persona-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.persona-icon {
    width: 56px;
    height: 56px;
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--gradient-hero);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
}

.persona-icon svg {
    stroke: white;
}

.persona-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.persona-description {
    color: var(--gray-600);
    line-height: 1.6;
    font-size: var(--font-size-sm);
}

/* ===== Comparison Section ===== */
.comparison {
    padding: var(--spacing-3xl) 0;
    background: var(--section-bg-alt);
}

.comparison-grid {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
    max-width: 900px;
    margin: 0 auto;
}

.comparison-row {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: var(--spacing-md);
    align-items: center;
}

.comparison-card {
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid;
    position: relative;
}

.comparison-card p {
    margin: 0;
    font-size: var(--font-size-sm);
    line-height: 1.6;
}

.comparison-label {
    display: inline-block;
    font-size: var(--font-size-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-sm);
}

.comparison-before {
    background: var(--comparison-before-bg);
    border-color: var(--comparison-before-border);
}

.comparison-before .comparison-label {
    color: var(--danger);
}

.comparison-before p {
    color: var(--gray-700);
}

.comparison-after {
    background: var(--comparison-after-bg);
    border-color: var(--comparison-after-border);
}

.comparison-after .comparison-label {
    color: var(--success);
}

.comparison-after p {
    color: var(--gray-800);
    font-weight: 500;
}

.comparison-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--gradient-hero);
    border-radius: var(--radius-full);
    flex-shrink: 0;
}

.comparison-arrow svg {
    stroke: white;
    width: 20px;
    height: 20px;
}

/* ===== Video Peek Section ===== */
.video-peek {
    padding: var(--spacing-3xl) 0 var(--spacing-2xl);
    background: var(--section-bg-default);
    overflow: hidden;
}

.video-peek-wrapper {
    max-width: 640px;
    margin: 0 auto;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.video-peek-wrapper.visible {
    opacity: 1;
    transform: translateY(0);
}

.video-peek-player {
    display: block;
    width: 100%;
    height: auto;
}

.video-peek-caption {
    text-align: center;
    margin-top: var(--spacing-md);
    font-size: var(--font-size-xs);
    color: var(--gray-400);
    font-style: italic;
    letter-spacing: 0.2px;
    opacity: 0;
    transition: opacity 0.8s ease 0.3s;
}

.video-peek-wrapper.visible + .video-peek-caption {
    opacity: 1;
}

@media (max-width: 768px) {
    .video-peek-wrapper {
        max-width: 100%;
        border-radius: var(--radius-md);
    }
}

/* ===== Screenshots Section ===== */
.screenshots {
    padding: var(--spacing-3xl) 0;
    background: var(--section-bg-default);
}

.screenshots-carousel {
    position: relative;
    overflow: hidden;
    max-width: 900px;
    margin: 0 auto;
    background: transparent;
}

.screenshots-container {
    display: flex;
    transition: transform 0.5s ease;
}

.screenshot-item {
    min-width: 100%;
    padding: 0;
}

.screenshot-item img {
    width: 100%;
    height: auto;
    display: block;
}

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: var(--carousel-btn-bg);
    border: none;
    border-radius: var(--radius-full);
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-slow);
    box-shadow: var(--shadow-lg);
}

.carousel-btn:hover {
    background: var(--carousel-btn-hover);
    transform: translateY(-50%) scale(1.1);
}

.carousel-prev { left: var(--spacing-lg); }
.carousel-next { right: var(--spacing-lg); }

.screenshot-dots {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-xl);
}

.dot {
    width: 8px;
    height: 8px;
    border-radius: var(--radius-full);
    background: var(--gray-400);
    cursor: pointer;
    transition: all var(--transition-slow);
}

.dot.active {
    width: 24px;
    background: var(--primary);
}

/* ===== Beta Badge ===== */
.beta-badge {
    display: inline-block;
    margin-bottom: var(--spacing-md);
}

.beta-badge span {
    background: linear-gradient(135deg, var(--warning), #FF6B35);
    color: white;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
}

/* ===== Beta Section ===== */
.beta-section {
    padding: var(--spacing-3xl) 0;
    background: var(--section-bg-alt);
}

.beta-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.beta-card {
    padding: var(--spacing-2xl);
    background: var(--card-bg);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    text-align: center;
    transition: all var(--transition-slow);
    border: 2px solid transparent;
}

.beta-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary);
}

.beta-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-lg);
    padding: var(--spacing-md);
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
}

.beta-icon svg {
    stroke: white;
    stroke-width: 1.5;
}

.beta-card h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.beta-card p {
    color: var(--gray-600);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.beta-info {
    text-align: center;
    padding: var(--spacing-xl);
    background: var(--gray-100);
    border-radius: var(--radius-lg);
    font-style: italic;
    color: var(--gray-600);
}

/* ===== Support Section ===== */
.support {
    padding: var(--spacing-3xl) 0;
    background: var(--section-bg-default);
}

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

.support-card {
    padding: var(--spacing-xl);
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all var(--transition-slow);
}

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

.support-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--gradient-hero);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
}

.support-icon svg {
    stroke: white;
}

.support-card h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-sm);
}

.support-card p {
    color: var(--gray-600);
    margin-bottom: var(--spacing-md);
}

.support-link {
    font-weight: 600;
    color: var(--primary);
}

/* ===== Lightbox ===== */
.lightbox {
    display: none;
    position: fixed;
    z-index: 10000;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.95);
    animation: lightboxFadeIn 0.3s;
}

.lightbox.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

@keyframes lightboxFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.lightbox-content {
    max-width: 90%;
    max-height: 85vh;
    width: auto;
    height: auto;
    object-fit: contain;
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    animation: zoomIn 0.3s;
}

@keyframes zoomIn {
    from { transform: scale(0.8); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

.lightbox-close {
    position: absolute;
    top: 30px;
    right: 40px;
    color: white;
    font-size: 40px;
    font-weight: 300;
    cursor: pointer;
    transition: all 0.2s;
    z-index: 10001;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.5);
    border: none;
    border-radius: 50%;
}

.lightbox-close:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: rotate(90deg);
}

.lightbox-caption {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    color: white;
    text-align: center;
    padding: 12px 24px;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-full);
    font-size: 14px;
}

.lightbox-prev,
.lightbox-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.2);
    font-size: 28px;
    padding: 16px 20px;
    cursor: pointer;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.lightbox-prev:hover,
.lightbox-next:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-50%) scale(1.1);
}

.lightbox-prev {
    left: 30px;
}

.lightbox-next {
    right: 30px;
}

.screenshot-item {
    cursor: pointer;
    transition: transform 0.3s;
}

.screenshot-item:hover {
    transform: scale(1.02);
}

/* ===== Footer ===== */
.footer {
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
    background: var(--footer-bg);
    color: var(--footer-text);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: var(--spacing-3xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-brand {
    max-width: 400px;
}

.footer-logo {
    width: 48px;
    height: 48px;
    margin-bottom: var(--spacing-md);
    border-radius: var(--radius-md);
}

.footer-tagline {
    color: var(--footer-link);
}

.footer-links {
    display: flex;
    gap: var(--spacing-3xl);
}

.footer-column h4 {
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--footer-heading);
}

.footer-column a {
    display: block;
    color: var(--footer-link);
    margin-bottom: var(--spacing-sm);
    transition: color var(--transition-slow);
}

.footer-column a:hover {
    color: var(--footer-link-hover);
}

.footer-bottom {
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--footer-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--footer-link);
    font-size: var(--font-size-sm);
}

/* ===== Responsive Design ===== */
@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .personas-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .beta-cards {
        grid-template-columns: 1fr;
    }

    .comparison-grid {
        max-width: 100%;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--mobile-menu-bg);
        padding: var(--spacing-lg);
        border-bottom: 1px solid var(--gray-200);
        box-shadow: var(--shadow-lg);
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero-buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        flex-direction: column;
        gap: var(--spacing-xl);
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-sm);
        text-align: center;
    }
    
    .carousel-btn {
        display: none;
    }

    .personas-grid {
        grid-template-columns: 1fr;
    }

    .comparison-row {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }

    .comparison-arrow {
        transform: rotate(90deg);
        margin: 0 auto;
    }
}

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

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

/* ===== Loading State ===== */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid var(--gray-300);
    border-radius: 50%;
    border-top-color: var(--primary);
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ===== Dark Mode Overrides ===== */
@media (prefers-color-scheme: dark) {
    .screenshot-item img {
        border-radius: 8px;
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    }
}