/* ==========================================================================
   CODEASSIST - AI CODE COMPLETION TOOL
   Premium Template Styles
   ========================================================================== */

/* ==========================================================================
   DESIGN TOKENS
   ========================================================================== */

:root {
    /* Brand Colors */
    --color-primary: #22C55E;
    --color-primary-dark: #16A34A;
    --color-primary-light: #4ADE80;
    --color-primary-glow: rgba(34, 197, 94, 0.3);

    /* Syntax Colors */
    --syntax-keyword: #C792EA;
    --syntax-string: #C3E88D;
    --syntax-function: #82AAFF;
    --syntax-number: #F78C6C;
    --syntax-comment: #676E95;
    --syntax-operator: #89DDFF;
    --syntax-variable: #EEFFFF;
    --syntax-type: #FFCB6B;
    --syntax-constant: #FF5370;

    /* Editor Colors */
    --editor-bg: #1E1E2E;
    --editor-bg-darker: #181825;
    --editor-line-highlight: #2A2A3C;
    --editor-selection: rgba(34, 197, 94, 0.15);
    --editor-gutter: #45475A;
    --editor-border: #313244;

    /* Neutral Colors - Light */
    --color-white: #FFFFFF;
    --color-neutral-50: #FAFAFA;
    --color-neutral-100: #F4F4F5;
    --color-neutral-200: #E4E4E7;
    --color-neutral-300: #D4D4D8;
    --color-neutral-400: #A1A1AA;
    --color-neutral-500: #71717A;
    --color-neutral-600: #52525B;
    --color-neutral-700: #3F3F46;
    --color-neutral-800: #27272A;
    --color-neutral-900: #18181B;
    --color-neutral-950: #09090B;
    --color-black: #000000;

    /* Typography 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: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: clamp(2.5rem, 5vw, 3rem);
    --text-6xl: clamp(3rem, 6vw, 3.75rem);
    --text-7xl: clamp(3.5rem, 8vw, 4.5rem);
    --text-hero: clamp(3rem, 8vw, 5rem);

    /* Font Families */
    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;

    /* Font Weights */
    --font-normal: 400;
    --font-medium: 500;
    --font-semibold: 600;
    --font-bold: 700;

    /* Line Heights */
    --leading-none: 1;
    --leading-tight: 1.25;
    --leading-snug: 1.375;
    --leading-normal: 1.5;
    --leading-relaxed: 1.625;
    --leading-loose: 2;

    /* Spacing Scale (8px base) */
    --space-0: 0;
    --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;
    --space-40: 10rem;
    --space-48: 12rem;

    /* Border Radius */
    --radius-none: 0;
    --radius-sm: 0.25rem;
    --radius-md: 0.375rem;
    --radius-lg: 0.5rem;
    --radius-xl: 0.75rem;
    --radius-2xl: 1rem;
    --radius-3xl: 1.5rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-inner: inset 0 2px 4px rgba(0, 0, 0, 0.06);
    --shadow-glow: 0 0 40px var(--color-primary-glow);
    --shadow-glow-lg: 0 0 80px var(--color-primary-glow);

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slower: 500ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-spring: 500ms cubic-bezier(0.16, 1, 0.3, 1);

    /* Z-index Scale */
    --z-negative: -1;
    --z-0: 0;
    --z-10: 10;
    --z-20: 20;
    --z-30: 30;
    --z-40: 40;
    --z-50: 50;
    --z-nav: 100;
    --z-modal: 200;
    --z-toast: 300;

    /* Container */
    --container-max: 1280px;
    --container-narrow: 768px;
    --container-wide: 1440px;
}

/* ==========================================================================
   DARK MODE TOKENS
   ========================================================================== */

.dark {
    --bg-primary: var(--color-neutral-950);
    --bg-secondary: var(--color-neutral-900);
    --bg-tertiary: var(--color-neutral-800);
    --text-primary: var(--color-white);
    --text-secondary: var(--color-neutral-300);
    --text-tertiary: var(--color-neutral-400);
    --border-primary: var(--color-neutral-800);
    --border-secondary: var(--color-neutral-700);
}

:root {
    --bg-primary: var(--color-white);
    --bg-secondary: var(--color-neutral-50);
    --bg-tertiary: var(--color-neutral-100);
    --text-primary: var(--color-neutral-900);
    --text-secondary: var(--color-neutral-600);
    --text-tertiary: var(--color-neutral-500);
    --border-primary: var(--color-neutral-200);
    --border-secondary: var(--color-neutral-300);
}

/* ==========================================================================
   RESET & BASE
   ========================================================================== */

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    font-size: var(--text-base);
    line-height: var(--leading-normal);
    color: var(--text-primary);
    background-color: var(--bg-primary);
    transition: background-color var(--transition-base), color var(--transition-base);
}

/* Selection */
::selection {
    background-color: var(--color-primary);
    color: var(--color-white);
}

/* Focus styles */
:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Skip link */
.skip-link {
    position: absolute;
    top: -100%;
    left: var(--space-4);
    padding: var(--space-3) var(--space-4);
    background: var(--color-primary);
    color: var(--color-white);
    font-weight: var(--font-medium);
    border-radius: var(--radius-md);
    z-index: var(--z-toast);
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: var(--space-4);
}

/* ==========================================================================
   TYPOGRAPHY
   ========================================================================== */

h1, h2, h3, h4, h5, h6 {
    font-weight: var(--font-bold);
    line-height: var(--leading-tight);
    color: var(--text-primary);
}

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

p {
    color: var(--text-secondary);
    line-height: var(--leading-relaxed);
}

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

code, pre {
    font-family: var(--font-mono);
}

/* ==========================================================================
   LAYOUT
   ========================================================================== */

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

.container-narrow {
    max-width: var(--container-narrow);
}

.container-wide {
    max-width: var(--container-wide);
}

.section {
    padding: var(--space-24) 0;
}

.section-lg {
    padding: var(--space-32) 0;
}

/* ==========================================================================
   NAVIGATION
   ========================================================================== */

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-nav);
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-primary);
    transition: background-color var(--transition-base), border-color var(--transition-base);
}

.dark .nav {
    background: rgba(9, 9, 11, 0.8);
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 4rem;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-family: var(--font-mono);
    font-weight: var(--font-bold);
    font-size: var(--text-xl);
    color: var(--text-primary);
}

.nav-logo svg {
    width: 2rem;
    height: 2rem;
}

.nav-links {
    display: none;
    align-items: center;
    gap: var(--space-8);
    list-style: none;
}

@media (min-width: 1024px) {
    .nav-links {
        display: flex;
    }
}

.nav-link {
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

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

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

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

.nav-mobile-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    background: transparent;
    border: none;
    cursor: pointer;
    color: var(--text-primary);
}

@media (min-width: 1024px) {
    .nav-mobile-toggle {
        display: none;
    }
}

/* Mobile Navigation */
.mobile-nav {
    position: fixed;
    top: 4rem;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-primary);
    padding: var(--space-6);
    transform: translateX(100%);
    transition: transform var(--transition-slow);
    z-index: var(--z-nav);
    overflow-y: auto;
}

.mobile-nav.active {
    transform: translateX(0);
}

.mobile-nav-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.mobile-nav-link {
    display: block;
    padding: var(--space-3) 0;
    font-size: var(--text-lg);
    font-weight: var(--font-medium);
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-primary);
}

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

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-family: var(--font-sans);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    line-height: var(--leading-none);
    text-align: center;
    white-space: nowrap;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-primary {
    background: var(--color-primary);
    color: var(--color-white);
}

.btn-primary:hover:not(:disabled) {
    background: var(--color-primary-dark);
    box-shadow: var(--shadow-glow);
}

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

.btn-secondary:hover:not(:disabled) {
    background: var(--bg-secondary);
    border-color: var(--border-secondary);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-primary);
}

.btn-outline:hover:not(:disabled) {
    background: var(--bg-tertiary);
    border-color: var(--color-primary);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
}

.btn-ghost:hover:not(:disabled) {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.btn-lg {
    padding: var(--space-4) var(--space-8);
    font-size: var(--text-base);
}

.btn-sm {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-xs);
}

.btn-icon {
    width: 2.5rem;
    height: 2.5rem;
    padding: 0;
    border-radius: var(--radius-full);
}

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

.hero {
    min-height: 100vh;
    padding-top: 6rem;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: var(--z-negative);
    opacity: 0.5;
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(34, 197, 94, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(34, 197, 94, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
}

.dark .hero-grid {
    background-image:
        linear-gradient(rgba(34, 197, 94, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(34, 197, 94, 0.05) 1px, transparent 1px);
}

.hero-gradient {
    position: absolute;
    top: -50%;
    left: 50%;
    transform: translateX(-50%);
    width: 150%;
    height: 100%;
    background: radial-gradient(ellipse at center, var(--color-primary-glow), transparent 70%);
    pointer-events: none;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-12);
    align-items: center;
}

@media (min-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr 1.2fr;
        gap: var(--space-16);
    }
}

.hero-text {
    text-align: center;
}

@media (min-width: 1024px) {
    .hero-text {
        text-align: left;
    }
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: var(--color-primary-glow);
    border: 1px solid var(--color-primary);
    border-radius: var(--radius-full);
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    font-weight: var(--font-medium);
    color: var(--color-primary);
    margin-bottom: var(--space-6);
}

.hero-badge-dot {
    width: 6px;
    height: 6px;
    background: var(--color-primary);
    border-radius: var(--radius-full);
    animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.2); }
}

.hero-title {
    margin-bottom: var(--space-6);
}

.hero-title-gradient {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: var(--text-xl);
    max-width: 540px;
    margin: 0 auto var(--space-8);
}

@media (min-width: 1024px) {
    .hero-description {
        margin: 0 0 var(--space-8);
    }
}

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

@media (min-width: 640px) {
    .hero-actions {
        flex-direction: row;
    }
}

@media (min-width: 1024px) {
    .hero-actions {
        justify-content: flex-start;
    }
}

.hero-stats {
    display: flex;
    gap: var(--space-8);
    margin-top: var(--space-12);
    justify-content: center;
}

@media (min-width: 1024px) {
    .hero-stats {
        justify-content: flex-start;
    }
}

.hero-stat {
    text-align: center;
}

@media (min-width: 1024px) {
    .hero-stat {
        text-align: left;
    }
}

.hero-stat-value {
    font-family: var(--font-mono);
    font-size: var(--text-3xl);
    font-weight: var(--font-bold);
    color: var(--text-primary);
}

.hero-stat-label {
    font-size: var(--text-sm);
    color: var(--text-tertiary);
}

/* ==========================================================================
   CODE EDITOR
   ========================================================================== */

.editor-window {
    background: var(--editor-bg);
    border-radius: var(--radius-2xl);
    border: 1px solid var(--editor-border);
    box-shadow: var(--shadow-2xl), var(--shadow-glow);
    overflow: hidden;
    position: relative;
}

.editor-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-3) var(--space-4);
    background: var(--editor-bg-darker);
    border-bottom: 1px solid var(--editor-border);
}

.editor-dots {
    display: flex;
    gap: var(--space-2);
}

.editor-dot {
    width: 12px;
    height: 12px;
    border-radius: var(--radius-full);
}

.editor-dot-red { background: #FF5F57; }
.editor-dot-yellow { background: #FEBC2E; }
.editor-dot-green { background: #28C840; }

.editor-title {
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    color: var(--syntax-comment);
}

.editor-actions {
    display: flex;
    gap: var(--space-2);
}

.editor-body {
    display: flex;
    min-height: 400px;
}

.editor-gutter {
    padding: var(--space-4);
    background: var(--editor-bg-darker);
    border-right: 1px solid var(--editor-border);
    user-select: none;
}

.editor-line-number {
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    line-height: 1.7;
    color: var(--editor-gutter);
    text-align: right;
    min-width: 2rem;
}

.editor-content {
    flex: 1;
    padding: var(--space-4);
    overflow-x: auto;
}

.editor-line {
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    line-height: 1.7;
    white-space: pre;
    color: var(--syntax-variable);
}

.editor-line.highlight {
    background: var(--editor-line-highlight);
    margin: 0 calc(var(--space-4) * -1);
    padding: 0 var(--space-4);
}

/* Syntax Highlighting */
.token-keyword { color: var(--syntax-keyword); }
.token-string { color: var(--syntax-string); }
.token-function { color: var(--syntax-function); }
.token-number { color: var(--syntax-number); }
.token-comment { color: var(--syntax-comment); font-style: italic; }
.token-operator { color: var(--syntax-operator); }
.token-variable { color: var(--syntax-variable); }
.token-type { color: var(--syntax-type); }
.token-constant { color: var(--syntax-constant); }

/* Ghost Text (AI Suggestions) */
.ghost-text {
    color: rgba(34, 197, 94, 0.5);
    position: relative;
}

.ghost-text::after {
    content: '';
    position: absolute;
    right: -4px;
    top: 50%;
    transform: translateY(-50%);
    width: 2px;
    height: 1.2em;
    background: var(--color-primary);
    animation: cursor-blink 1s ease-in-out infinite;
}

@keyframes cursor-blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

.ghost-text.typing {
    animation: ghost-type 3s ease-out forwards;
}

@keyframes ghost-type {
    0% { opacity: 0; max-width: 0; }
    10% { opacity: 0.3; }
    100% { opacity: 0.5; max-width: 100%; }
}

/* Tab Key Indicator */
.tab-indicator {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-1) var(--space-2);
    background: rgba(34, 197, 94, 0.15);
    border: 1px solid rgba(34, 197, 94, 0.3);
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    color: var(--color-primary);
    margin-left: var(--space-2);
    animation: tab-pulse 2s ease-in-out infinite;
}

@keyframes tab-pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.05); opacity: 0.8; }
}

/* Code Explanation Tooltip */
.code-tooltip {
    position: absolute;
    top: 100%;
    left: var(--space-4);
    margin-top: var(--space-2);
    padding: var(--space-4);
    background: var(--editor-bg-darker);
    border: 1px solid var(--color-primary);
    border-radius: var(--radius-lg);
    max-width: 320px;
    box-shadow: var(--shadow-lg), 0 0 20px var(--color-primary-glow);
    opacity: 0;
    transform: translateY(-10px);
    animation: tooltip-appear 0.5s ease-out 2s forwards;
    z-index: var(--z-20);
}

@keyframes tooltip-appear {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.code-tooltip-header {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-2);
}

.code-tooltip-icon {
    width: 20px;
    height: 20px;
    color: var(--color-primary);
}

.code-tooltip-title {
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    color: var(--color-primary);
}

.code-tooltip-text {
    font-size: var(--text-sm);
    color: var(--syntax-variable);
    line-height: var(--leading-relaxed);
}

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

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

@media (min-width: 640px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.feature-card {
    padding: var(--space-8);
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-2xl);
    transition: all var(--transition-slow);
}

.feature-card:hover {
    transform: translateY(-4px);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-lg), 0 0 30px var(--color-primary-glow);
}

.feature-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    border-radius: var(--radius-xl);
    margin-bottom: var(--space-6);
    color: var(--color-white);
}

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

.feature-title {
    font-size: var(--text-xl);
    font-weight: var(--font-semibold);
    margin-bottom: var(--space-3);
}

.feature-description {
    font-size: var(--text-sm);
    color: var(--text-tertiary);
    line-height: var(--leading-relaxed);
}

/* ==========================================================================
   IDE SUPPORT SECTION
   ========================================================================== */

.ide-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
}

@media (min-width: 640px) {
    .ide-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 1024px) {
    .ide-grid {
        grid-template-columns: repeat(6, 1fr);
    }
}

.ide-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--space-6);
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-xl);
    transition: all var(--transition-slow);
}

.ide-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-2px);
}

.ide-icon {
    width: 48px;
    height: 48px;
    margin-bottom: var(--space-3);
}

.ide-name {
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--text-secondary);
    text-align: center;
}

/* ==========================================================================
   PRICING SECTION
   ========================================================================== */

.pricing-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-4);
    margin-bottom: var(--space-12);
}

.pricing-toggle-label {
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--text-tertiary);
    transition: color var(--transition-fast);
}

.pricing-toggle-label.active {
    color: var(--text-primary);
}

.pricing-toggle-switch {
    position: relative;
    width: 56px;
    height: 28px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.pricing-toggle-switch.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
}

.pricing-toggle-knob {
    position: absolute;
    top: 2px;
    left: 2px;
    width: 22px;
    height: 22px;
    background: var(--color-white);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-fast);
}

.pricing-toggle-switch.active .pricing-toggle-knob {
    transform: translateX(28px);
}

.pricing-badge {
    display: inline-block;
    padding: var(--space-1) var(--space-3);
    background: var(--color-primary-glow);
    color: var(--color-primary);
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    border-radius: var(--radius-full);
    margin-left: var(--space-2);
}

.pricing-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-6);
}

@media (min-width: 768px) {
    .pricing-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.pricing-card {
    position: relative;
    padding: var(--space-8);
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-2xl);
    transition: all var(--transition-slow);
}

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

.pricing-card.featured {
    border-color: var(--color-primary);
    background: linear-gradient(180deg, var(--color-primary-glow) 0%, transparent 50%);
}

.pricing-card.featured::before {
    content: 'Most Popular';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translate(-50%, -50%);
    padding: var(--space-1) var(--space-4);
    background: var(--color-primary);
    color: var(--color-white);
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    border-radius: var(--radius-full);
}

.pricing-name {
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    margin-bottom: var(--space-2);
}

.pricing-description {
    font-size: var(--text-sm);
    color: var(--text-tertiary);
    margin-bottom: var(--space-6);
}

.pricing-price {
    margin-bottom: var(--space-6);
}

.pricing-amount {
    font-size: var(--text-5xl);
    font-weight: var(--font-bold);
    font-family: var(--font-mono);
}

.pricing-period {
    font-size: var(--text-sm);
    color: var(--text-tertiary);
}

.pricing-features {
    list-style: none;
    margin-bottom: var(--space-8);
}

.pricing-feature {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-2) 0;
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

.pricing-feature svg {
    width: 18px;
    height: 18px;
    color: var(--color-primary);
    flex-shrink: 0;
}

.pricing-feature.disabled {
    color: var(--text-tertiary);
    text-decoration: line-through;
}

.pricing-feature.disabled svg {
    color: var(--text-tertiary);
}

/* ==========================================================================
   TESTIMONIALS
   ========================================================================== */

.testimonials-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-6);
}

@media (min-width: 768px) {
    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .testimonials-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.testimonial-card {
    padding: var(--space-8);
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-2xl);
    transition: all var(--transition-slow);
}

.testimonial-card:hover {
    border-color: var(--color-primary);
    box-shadow: 0 0 30px var(--color-primary-glow);
}

.testimonial-content {
    font-size: var(--text-base);
    line-height: var(--leading-relaxed);
    color: var(--text-secondary);
    margin-bottom: var(--space-6);
}

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

.testimonial-avatar {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    object-fit: cover;
}

.testimonial-info {
    flex: 1;
}

.testimonial-name {
    font-weight: var(--font-semibold);
    font-size: var(--text-sm);
}

.testimonial-role {
    font-size: var(--text-xs);
    color: var(--text-tertiary);
}

.testimonial-company {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    color: var(--color-primary);
}

/* ==========================================================================
   LANGUAGE SUPPORT
   ========================================================================== */

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

@media (min-width: 640px) {
    .languages-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (min-width: 768px) {
    .languages-grid {
        grid-template-columns: repeat(6, 1fr);
    }
}

@media (min-width: 1024px) {
    .languages-grid {
        grid-template-columns: repeat(8, 1fr);
    }
}

.language-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-4);
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
}

.language-item:hover {
    border-color: var(--color-primary);
    transform: translateY(-2px);
}

.language-icon {
    width: 32px;
    height: 32px;
}

.language-name {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    color: var(--text-tertiary);
}

/* ==========================================================================
   CTA SECTION
   ========================================================================== */

.cta-section {
    position: relative;
    overflow: hidden;
}

.cta-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    z-index: var(--z-negative);
}

.cta-pattern {
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
}

.cta-content {
    text-align: center;
    color: var(--color-white);
}

.cta-title {
    color: var(--color-white);
    margin-bottom: var(--space-4);
}

.cta-description {
    font-size: var(--text-lg);
    color: rgba(255, 255, 255, 0.8);
    max-width: 600px;
    margin: 0 auto var(--space-8);
}

.cta-actions {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    align-items: center;
    justify-content: center;
}

@media (min-width: 640px) {
    .cta-actions {
        flex-direction: row;
    }
}

.btn-cta-primary {
    background: var(--color-white);
    color: var(--color-primary);
}

.btn-cta-primary:hover {
    background: rgba(255, 255, 255, 0.9);
    box-shadow: 0 0 30px rgba(255, 255, 255, 0.3);
}

.btn-cta-secondary {
    background: transparent;
    color: var(--color-white);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-cta-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
}

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

.footer {
    padding: var(--space-16) 0 var(--space-8);
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-primary);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-12);
    margin-bottom: var(--space-12);
}

@media (min-width: 768px) {
    .footer-grid {
        grid-template-columns: 2fr 1fr 1fr 1fr;
    }
}

.footer-brand {
    max-width: 320px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-family: var(--font-mono);
    font-weight: var(--font-bold);
    font-size: var(--text-xl);
    color: var(--text-primary);
    margin-bottom: var(--space-4);
}

.footer-description {
    font-size: var(--text-sm);
    color: var(--text-tertiary);
    margin-bottom: var(--space-6);
}

.footer-social {
    display: flex;
    gap: var(--space-3);
}

.footer-social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    color: var(--text-tertiary);
    transition: all var(--transition-fast);
}

.footer-social-link:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

.footer-column-title {
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-primary);
    margin-bottom: var(--space-4);
}

.footer-links {
    list-style: none;
}

.footer-link {
    display: block;
    padding: var(--space-2) 0;
    font-size: var(--text-sm);
    color: var(--text-tertiary);
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    padding-top: var(--space-8);
    border-top: 1px solid var(--border-primary);
}

@media (min-width: 768px) {
    .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
}

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

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

.footer-legal-link {
    font-size: var(--text-sm);
    color: var(--text-tertiary);
    transition: color var(--transition-fast);
}

.footer-legal-link:hover {
    color: var(--text-primary);
}

/* ==========================================================================
   SCROLL REVEAL ANIMATIONS
   ========================================================================== */

.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

.reveal-left {
    opacity: 0;
    transform: translateX(-40px);
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-left.active {
    opacity: 1;
    transform: translateX(0);
}

.reveal-right {
    opacity: 0;
    transform: translateX(40px);
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-right.active {
    opacity: 1;
    transform: translateX(0);
}

.reveal-scale {
    opacity: 0;
    transform: scale(0.9);
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-scale.active {
    opacity: 1;
    transform: scale(1);
}

/* Stagger delays */
.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }
.stagger-5 { transition-delay: 0.5s; }
.stagger-6 { transition-delay: 0.6s; }
.stagger-7 { transition-delay: 0.7s; }
.stagger-8 { transition-delay: 0.8s; }

/* ==========================================================================
   REDUCED MOTION
   ========================================================================== */

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

    .reveal,
    .reveal-left,
    .reveal-right,
    .reveal-scale {
        opacity: 1;
        transform: none;
    }

    .ghost-text,
    .ghost-text::after {
        animation: none;
    }
}

/* ==========================================================================
   UTILITY CLASSES
   ========================================================================== */

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mx-auto { margin-left: auto; margin-right: auto; }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }
.mb-12 { margin-bottom: var(--space-12); }
.mb-16 { margin-bottom: var(--space-16); }

.max-w-2xl { max-width: 42rem; }
.max-w-3xl { max-width: 48rem; }
.max-w-4xl { max-width: 56rem; }

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ==========================================================================
   PAGE-SPECIFIC STYLES
   ========================================================================== */

/* Docs page */
.docs-sidebar {
    position: sticky;
    top: 6rem;
    max-height: calc(100vh - 8rem);
    overflow-y: auto;
}

.docs-nav {
    list-style: none;
}

.docs-nav-item {
    margin-bottom: var(--space-1);
}

.docs-nav-link {
    display: block;
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-sm);
    color: var(--text-tertiary);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.docs-nav-link:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.docs-nav-link.active {
    background: var(--color-primary-glow);
    color: var(--color-primary);
}

.docs-content {
    max-width: 768px;
}

.docs-content h2 {
    font-size: var(--text-2xl);
    margin-top: var(--space-12);
    margin-bottom: var(--space-4);
    padding-bottom: var(--space-4);
    border-bottom: 1px solid var(--border-primary);
}

.docs-content h3 {
    font-size: var(--text-xl);
    margin-top: var(--space-8);
    margin-bottom: var(--space-3);
}

.docs-content p {
    margin-bottom: var(--space-4);
}

.docs-content code {
    padding: var(--space-1) var(--space-2);
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    font-size: 0.875em;
}

.docs-content pre {
    padding: var(--space-4);
    background: var(--editor-bg);
    border-radius: var(--radius-lg);
    overflow-x: auto;
    margin-bottom: var(--space-4);
}

.docs-content pre code {
    background: none;
    padding: 0;
}

/* Changelog page */
.changelog-item {
    position: relative;
    padding-left: var(--space-8);
    padding-bottom: var(--space-12);
    border-left: 2px solid var(--border-primary);
}

.changelog-item:last-child {
    padding-bottom: 0;
}

.changelog-dot {
    position: absolute;
    left: -7px;
    top: 0;
    width: 12px;
    height: 12px;
    background: var(--color-primary);
    border-radius: var(--radius-full);
    border: 2px solid var(--bg-primary);
}

.changelog-version {
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    color: var(--color-primary);
    margin-bottom: var(--space-1);
}

.changelog-date {
    font-size: var(--text-xs);
    color: var(--text-tertiary);
    margin-bottom: var(--space-4);
}

.changelog-title {
    font-size: var(--text-xl);
    font-weight: var(--font-semibold);
    margin-bottom: var(--space-4);
}

.changelog-list {
    list-style: none;
}

.changelog-list li {
    position: relative;
    padding-left: var(--space-6);
    margin-bottom: var(--space-2);
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

.changelog-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.5em;
    width: 6px;
    height: 6px;
    background: var(--text-tertiary);
    border-radius: var(--radius-full);
}

.changelog-tag {
    display: inline-block;
    padding: var(--space-1) var(--space-2);
    font-size: var(--text-xs);
    font-weight: var(--font-medium);
    border-radius: var(--radius-sm);
    margin-right: var(--space-2);
}

.changelog-tag-new {
    background: rgba(34, 197, 94, 0.15);
    color: var(--color-primary);
}

.changelog-tag-improved {
    background: rgba(59, 130, 246, 0.15);
    color: #3B82F6;
}

.changelog-tag-fixed {
    background: rgba(239, 68, 68, 0.15);
    color: #EF4444;
}

/* Blog page */
.blog-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-8);
}

@media (min-width: 768px) {
    .blog-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .blog-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.blog-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    transition: all var(--transition-slow);
}

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

.blog-card-image {
    aspect-ratio: 16/9;
    overflow: hidden;
}

.blog-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.blog-card:hover .blog-card-image img {
    transform: scale(1.05);
}

.blog-card-content {
    padding: var(--space-6);
}

.blog-card-meta {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-3);
}

.blog-card-category {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    font-weight: var(--font-medium);
    color: var(--color-primary);
}

.blog-card-date {
    font-size: var(--text-xs);
    color: var(--text-tertiary);
}

.blog-card-title {
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    margin-bottom: var(--space-2);
    line-height: var(--leading-snug);
}

.blog-card-excerpt {
    font-size: var(--text-sm);
    color: var(--text-tertiary);
    line-height: var(--leading-relaxed);
}

/* Blog post page */
.blog-post-header {
    padding-top: 8rem;
    padding-bottom: var(--space-12);
    text-align: center;
}

.blog-post-category {
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--color-primary);
    margin-bottom: var(--space-4);
}

.blog-post-title {
    font-size: var(--text-5xl);
    max-width: 900px;
    margin: 0 auto var(--space-6);
}

.blog-post-meta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-4);
    color: var(--text-tertiary);
    font-size: var(--text-sm);
}

.blog-post-author {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.blog-post-author img {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
}

.blog-post-content {
    max-width: 768px;
    margin: 0 auto;
}

.blog-post-content p {
    margin-bottom: var(--space-6);
    font-size: var(--text-lg);
    line-height: var(--leading-loose);
}

.blog-post-content h2 {
    font-size: var(--text-3xl);
    margin-top: var(--space-12);
    margin-bottom: var(--space-6);
}

.blog-post-content h3 {
    font-size: var(--text-2xl);
    margin-top: var(--space-8);
    margin-bottom: var(--space-4);
}

.blog-post-content img {
    width: 100%;
    border-radius: var(--radius-xl);
    margin: var(--space-8) 0;
}

.blog-post-content blockquote {
    padding-left: var(--space-6);
    border-left: 4px solid var(--color-primary);
    font-style: italic;
    color: var(--text-secondary);
    margin: var(--space-8) 0;
}

/* Login page */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-6);
}

.auth-container {
    width: 100%;
    max-width: 420px;
}

.auth-card {
    padding: var(--space-10);
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-2xl);
}

.auth-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    font-family: var(--font-mono);
    font-weight: var(--font-bold);
    font-size: var(--text-xl);
    color: var(--text-primary);
    margin-bottom: var(--space-8);
}

.auth-title {
    font-size: var(--text-2xl);
    text-align: center;
    margin-bottom: var(--space-2);
}

.auth-subtitle {
    text-align: center;
    color: var(--text-tertiary);
    margin-bottom: var(--space-8);
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.form-label {
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
}

.form-input {
    padding: var(--space-3) var(--space-4);
    background: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    font-family: var(--font-sans);
    font-size: var(--text-sm);
    color: var(--text-primary);
    transition: all var(--transition-fast);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-glow);
}

.form-input::placeholder {
    color: var(--text-tertiary);
}

.auth-divider {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    margin: var(--space-6) 0;
}

.auth-divider-line {
    flex: 1;
    height: 1px;
    background: var(--border-primary);
}

.auth-divider-text {
    font-size: var(--text-xs);
    color: var(--text-tertiary);
}

.auth-social {
    display: flex;
    gap: var(--space-3);
}

.auth-social-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3);
    background: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    font-size: var(--text-sm);
    color: var(--text-primary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.auth-social-btn:hover {
    border-color: var(--border-secondary);
    background: var(--bg-tertiary);
}

.auth-footer {
    text-align: center;
    margin-top: var(--space-6);
    font-size: var(--text-sm);
    color: var(--text-tertiary);
}

.auth-footer a {
    color: var(--color-primary);
    font-weight: var(--font-medium);
}

.auth-footer a:hover {
    text-decoration: underline;
}

/* ==========================================================================
   PRINT STYLES
   ========================================================================== */

@media print {
    .nav,
    .footer,
    .btn,
    .mobile-nav {
        display: none !important;
    }

    body {
        font-size: 12pt;
        line-height: 1.5;
        color: #000;
        background: #fff;
    }

    a {
        color: #000;
        text-decoration: underline;
    }

    .container {
        max-width: 100%;
        padding: 0;
    }
}

/* ==========================================================================
   SCROLLBAR STYLES
   ========================================================================== */

::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-secondary);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-tertiary);
}

/* Firefox */
* {
    scrollbar-width: thin;
    scrollbar-color: var(--border-secondary) var(--bg-secondary);
}