/* ==========================================================================
   PayFlow - Payment Processing API Platform
   Premium CSS - Stripe-inspired Design System
   ========================================================================== */

/* ==========================================================================
   CSS CUSTOM PROPERTIES (Design Tokens)
   ========================================================================== */

:root {
    /* Primary Colors - Indigo */
    --color-primary-50: #eef2ff;
    --color-primary-100: #e0e7ff;
    --color-primary-200: #c7d2fe;
    --color-primary-300: #a5b4fc;
    --color-primary-400: #818cf8;
    --color-primary-500: #6366f1;
    --color-primary-600: #4f46e5;
    --color-primary-700: #4338ca;
    --color-primary-800: #3730a3;
    --color-primary-900: #312e81;
    --color-primary-950: #1e1b4b;

    /* Secondary Colors - Cyan/Teal for accents */
    --color-secondary-400: #22d3ee;
    --color-secondary-500: #06b6d4;
    --color-secondary-600: #0891b2;

    /* Success Colors */
    --color-success-50: #f0fdf4;
    --color-success-100: #dcfce7;
    --color-success-500: #22c55e;
    --color-success-600: #16a34a;

    /* Warning Colors */
    --color-warning-50: #fffbeb;
    --color-warning-100: #fef3c7;
    --color-warning-500: #f59e0b;
    --color-warning-600: #d97706;

    /* Error Colors */
    --color-error-50: #fef2f2;
    --color-error-100: #fee2e2;
    --color-error-500: #ef4444;
    --color-error-600: #dc2626;

    /* Neutral Colors */
    --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;

    /* Background Colors */
    --bg-primary: #ffffff;
    --bg-secondary: var(--color-neutral-50);
    --bg-tertiary: var(--color-neutral-100);
    --bg-card: #ffffff;
    --bg-code: var(--color-neutral-900);

    /* Text Colors */
    --text-primary: var(--color-neutral-900);
    --text-secondary: var(--color-neutral-600);
    --text-tertiary: var(--color-neutral-500);
    --text-inverse: #ffffff;

    /* Border Colors */
    --border-primary: var(--color-neutral-200);
    --border-secondary: var(--color-neutral-100);

    /* Typography Scale (clamp-based responsive) */
    --text-hero: clamp(3rem, 8vw, 5rem);
    --text-display: clamp(2.5rem, 5vw, 4rem);
    --text-h1: clamp(2rem, 4vw, 3rem);
    --text-h2: clamp(1.75rem, 3vw, 2.25rem);
    --text-h3: clamp(1.25rem, 2vw, 1.5rem);
    --text-h4: clamp(1.125rem, 1.5vw, 1.25rem);
    --text-body-lg: 1.125rem;
    --text-body: 1rem;
    --text-small: 0.875rem;
    --text-xs: 0.75rem;

    /* Font Families */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', 'SF Mono', Consolas, monospace;

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

    /* Line Heights */
    --leading-tight: 1.2;
    --leading-snug: 1.375;
    --leading-normal: 1.5;
    --leading-relaxed: 1.625;
    --leading-loose: 2;

    /* Letter Spacing */
    --tracking-tight: -0.025em;
    --tracking-normal: 0;
    --tracking-wide: 0.025em;

    /* Spacing Scale (8px base) */
    --space-0: 0;
    --space-1: 0.25rem;   /* 4px */
    --space-2: 0.5rem;    /* 8px */
    --space-3: 0.75rem;   /* 12px */
    --space-4: 1rem;      /* 16px */
    --space-5: 1.25rem;   /* 20px */
    --space-6: 1.5rem;    /* 24px */
    --space-8: 2rem;      /* 32px */
    --space-10: 2.5rem;   /* 40px */
    --space-12: 3rem;     /* 48px */
    --space-16: 4rem;     /* 64px */
    --space-20: 5rem;     /* 80px */
    --space-24: 6rem;     /* 96px */
    --space-32: 8rem;     /* 128px */
    --space-40: 10rem;    /* 160px */

    /* Border Radius */
    --radius-sm: 0.25rem;    /* 4px */
    --radius-md: 0.5rem;     /* 8px */
    --radius-lg: 0.75rem;    /* 12px */
    --radius-xl: 1rem;       /* 16px */
    --radius-2xl: 1.5rem;    /* 24px */
    --radius-3xl: 2rem;      /* 32px */
    --radius-full: 9999px;

    /* Shadows */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
    --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);

    /* Glow Effects */
    --glow-primary: 0 0 40px rgba(99, 102, 241, 0.3);
    --glow-primary-lg: 0 0 80px rgba(99, 102, 241, 0.4);
    --glow-success: 0 0 40px rgba(34, 197, 94, 0.3);
    --glow-card: 0 0 60px rgba(99, 102, 241, 0.15);

    /* 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-dropdown: 10;
    --z-sticky: 20;
    --z-fixed: 30;
    --z-modal-backdrop: 40;
    --z-modal: 50;
    --z-popover: 60;
    --z-tooltip: 70;

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

    /* Navbar Height */
    --navbar-height: 4rem;
}

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

.dark {
    --bg-primary: var(--color-neutral-950);
    --bg-secondary: var(--color-neutral-900);
    --bg-tertiary: var(--color-neutral-800);
    --bg-card: var(--color-neutral-900);
    --bg-code: var(--color-neutral-950);

    --text-primary: #ffffff;
    --text-secondary: var(--color-neutral-300);
    --text-tertiary: var(--color-neutral-400);

    --border-primary: var(--color-neutral-800);
    --border-secondary: var(--color-neutral-700);

    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4), 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -2px rgba(0, 0, 0, 0.3);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.4), 0 10px 10px -5px rgba(0, 0, 0, 0.3);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

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

*,
*::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-body);
    line-height: var(--leading-normal);
    color: var(--text-primary);
    background-color: var(--bg-primary);
    min-height: 100vh;
}

/* Selection */
::selection {
    background-color: var(--color-primary-500);
    color: white;
}

/* Focus */
:focus-visible {
    outline: 2px solid var(--color-primary-500);
    outline-offset: 2px;
}

/* Skip Link */
.skip-link {
    position: absolute;
    top: -100%;
    left: 50%;
    transform: translateX(-50%);
    padding: var(--space-3) var(--space-6);
    background: var(--color-primary-500);
    color: white;
    border-radius: var(--radius-md);
    z-index: 9999;
    transition: top var(--transition-base);
}

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

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

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

h1 { font-size: var(--text-h1); }
h2 { font-size: var(--text-h2); }
h3 { font-size: var(--text-h3); }
h4 { font-size: var(--text-h4); }

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

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

strong { font-weight: var(--font-semibold); }
small { font-size: var(--text-small); }

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

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

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

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

.section {
    padding-top: var(--space-20);
    padding-bottom: var(--space-20);
}

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

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

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

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

.navbar-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.navbar-logo {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: 1.25rem;
    font-weight: var(--font-bold);
    color: var(--text-primary);
}

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

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

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

.navbar-nav a {
    font-size: var(--text-small);
    font-weight: var(--font-medium);
    color: var(--text-secondary);
    transition: color var(--transition-base);
}

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

.navbar-actions {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.navbar-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    background: transparent;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    color: var(--text-secondary);
    transition: background var(--transition-base), color var(--transition-base);
}

.navbar-toggle:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

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

/* Mobile Menu */
.mobile-nav {
    position: fixed;
    top: var(--navbar-height);
    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-modal);
    overflow-y: auto;
}

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

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

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

.mobile-nav a: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-5);
    font-family: var(--font-sans);
    font-size: var(--text-small);
    font-weight: var(--font-medium);
    line-height: 1;
    text-decoration: none;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
}

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

.btn-lg {
    padding: var(--space-4) var(--space-8);
    font-size: var(--text-body);
    border-radius: var(--radius-xl);
}

.btn-primary {
    background: var(--color-primary-500);
    color: white;
    box-shadow: var(--shadow-sm), 0 0 0 1px var(--color-primary-600);
}

.btn-primary:hover {
    background: var(--color-primary-600);
    box-shadow: var(--shadow-md), 0 0 0 1px var(--color-primary-700);
    transform: translateY(-1px);
}

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

.btn-secondary {
    background: var(--bg-primary);
    color: var(--text-primary);
    box-shadow: var(--shadow-sm), inset 0 0 0 1px var(--border-primary);
}

.btn-secondary:hover {
    background: var(--bg-secondary);
    box-shadow: var(--shadow-md), inset 0 0 0 1px var(--border-primary);
}

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

.btn-ghost:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.btn-link {
    background: transparent;
    color: var(--color-primary-500);
    padding: 0;
}

.btn-link:hover {
    color: var(--color-primary-600);
}

/* ==========================================================================
   CARDS
   ========================================================================== */

.card {
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    transition: all var(--transition-base);
}

.card-hover:hover {
    border-color: var(--color-primary-200);
    box-shadow: var(--shadow-lg), var(--glow-card);
    transform: translateY(-4px);
}

.dark .card-hover:hover {
    border-color: var(--color-primary-500);
}

.card-feature {
    padding: var(--space-8);
}

.card-feature-icon {
    width: 3rem;
    height: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary-500), var(--color-primary-600));
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-6);
    color: white;
}

.card-feature-icon svg {
    width: 1.5rem;
    height: 1.5rem;
}

.card-feature h3 {
    font-size: var(--text-h4);
    margin-bottom: var(--space-3);
}

.card-feature p {
    font-size: var(--text-small);
}

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

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: calc(var(--navbar-height) + var(--space-16));
    padding-bottom: var(--space-16);
    position: relative;
    overflow: hidden;
}

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

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

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

@media (min-width: 1024px) {
    .hero-content {
        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-50);
    border: 1px solid var(--color-primary-200);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: var(--font-medium);
    color: var(--color-primary-600);
    margin-bottom: var(--space-6);
}

.dark .hero-badge {
    background: var(--color-primary-950);
    border-color: var(--color-primary-800);
    color: var(--color-primary-400);
}

.hero-title {
    font-size: var(--text-hero);
    font-weight: var(--font-bold);
    line-height: 1.1;
    margin-bottom: var(--space-6);
    letter-spacing: -0.03em;
}

.hero-title .gradient-text {
    background: linear-gradient(135deg, var(--color-primary-500), var(--color-secondary-500));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: var(--text-body-lg);
    color: var(--text-secondary);
    max-width: 540px;
    margin-bottom: var(--space-8);
}

@media (min-width: 1024px) {
    .hero-description {
        margin-left: 0;
        margin-right: auto;
    }
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-4);
    justify-content: center;
}

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

.hero-stats {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-8);
    margin-top: var(--space-12);
    padding-top: var(--space-8);
    border-top: 1px solid var(--border-primary);
    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-size: var(--text-h2);
    font-weight: var(--font-bold);
    color: var(--text-primary);
}

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

/* Hero Visual */
.hero-visual {
    position: relative;
    perspective: 1000px;
}

/* ==========================================================================
   3D CREDIT CARD
   ========================================================================== */

.credit-card-container {
    position: relative;
    width: 100%;
    max-width: 420px;
    margin: 0 auto;
}

.credit-card {
    position: relative;
    width: 100%;
    aspect-ratio: 1.586;
    border-radius: var(--radius-2xl);
    transform-style: preserve-3d;
    transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    cursor: pointer;
}

.credit-card.flipped {
    transform: rotateY(180deg);
}

.credit-card-face {
    position: absolute;
    inset: 0;
    backface-visibility: hidden;
    border-radius: var(--radius-2xl);
    padding: var(--space-6);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.credit-card-front {
    background: linear-gradient(135deg, var(--color-primary-600), var(--color-primary-900));
    box-shadow: var(--shadow-2xl), var(--glow-primary);
}

.credit-card-back {
    background: linear-gradient(135deg, var(--color-primary-800), var(--color-neutral-900));
    transform: rotateY(180deg);
    box-shadow: var(--shadow-2xl);
}

.credit-card-chip {
    width: 3rem;
    height: 2.25rem;
    background: linear-gradient(135deg, #ffd700, #c0a000);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.credit-card-chip::before {
    content: '';
    width: 80%;
    height: 60%;
    border: 2px solid rgba(0, 0, 0, 0.2);
    border-radius: var(--radius-sm);
}

.credit-card-number {
    font-family: var(--font-mono);
    font-size: clamp(1rem, 4vw, 1.5rem);
    font-weight: var(--font-medium);
    color: white;
    letter-spacing: 0.2em;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.credit-card-details {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
}

.credit-card-label {
    font-size: var(--text-xs);
    color: rgba(255, 255, 255, 0.6);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-1);
}

.credit-card-value {
    font-size: var(--text-small);
    color: white;
    font-weight: var(--font-medium);
}

.credit-card-logo {
    width: 4rem;
    height: auto;
}

/* Card Back */
.credit-card-stripe {
    height: 3rem;
    background: var(--color-neutral-950);
    margin: var(--space-6) calc(var(--space-6) * -1);
}

.credit-card-cvv-label {
    font-size: var(--text-xs);
    color: rgba(255, 255, 255, 0.6);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-2);
    text-align: right;
}

.credit-card-cvv {
    background: white;
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: var(--text-body);
    color: var(--color-neutral-900);
    text-align: right;
    letter-spacing: 0.2em;
}

.credit-card-signature {
    height: 2.5rem;
    background: repeating-linear-gradient(
        0deg,
        rgba(255, 255, 255, 0.8),
        rgba(255, 255, 255, 0.8) 2px,
        transparent 2px,
        transparent 4px
    );
    border-radius: var(--radius-sm);
    margin-top: var(--space-4);
}

/* Payment Form */
.payment-form {
    margin-top: var(--space-8);
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    box-shadow: var(--shadow-lg);
}

.payment-form-title {
    font-size: var(--text-h4);
    font-weight: var(--font-semibold);
    margin-bottom: var(--space-4);
}

.form-group {
    margin-bottom: var(--space-4);
}

.form-label {
    display: block;
    font-size: var(--text-small);
    font-weight: var(--font-medium);
    color: var(--text-primary);
    margin-bottom: var(--space-2);
}

.form-input {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    font-family: var(--font-sans);
    font-size: var(--text-body);
    color: var(--text-primary);
    background: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-primary-500);
    box-shadow: 0 0 0 3px var(--color-primary-100);
}

.dark .form-input:focus {
    box-shadow: 0 0 0 3px var(--color-primary-950);
}

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

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
}

.form-input-icon {
    position: relative;
}

.form-input-icon .form-input {
    padding-left: 3rem;
}

.form-input-icon svg {
    position: absolute;
    left: var(--space-4);
    top: 50%;
    transform: translateY(-50%);
    width: 1.25rem;
    height: 1.25rem;
    color: var(--text-tertiary);
}

.payment-total {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-4) 0;
    border-top: 1px solid var(--border-primary);
    margin-top: var(--space-4);
    margin-bottom: var(--space-4);
}

.payment-total-label {
    font-size: var(--text-body);
    color: var(--text-secondary);
}

.payment-total-value {
    font-size: var(--text-h3);
    font-weight: var(--font-bold);
    color: var(--text-primary);
}

.payment-btn {
    width: 100%;
    padding: var(--space-4);
    font-size: var(--text-body);
}

.payment-secure {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    margin-top: var(--space-4);
    font-size: var(--text-xs);
    color: var(--text-tertiary);
}

.payment-secure svg {
    width: 1rem;
    height: 1rem;
}

/* ==========================================================================
   CODE BLOCKS
   ========================================================================== */

.code-block {
    position: relative;
    background: var(--bg-code);
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.code-block-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-3) var(--space-4);
    background: rgba(255, 255, 255, 0.05);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

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

.code-block-dot {
    width: 0.75rem;
    height: 0.75rem;
    border-radius: 50%;
}

.code-block-dot:nth-child(1) { background: #ff5f56; }
.code-block-dot:nth-child(2) { background: #ffbd2e; }
.code-block-dot:nth-child(3) { background: #27c93f; }

.code-block-title {
    font-size: var(--text-xs);
    color: rgba(255, 255, 255, 0.5);
    font-family: var(--font-mono);
}

.code-block-copy {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-1) var(--space-2);
    background: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: var(--radius-sm);
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--text-xs);
    cursor: pointer;
    transition: all var(--transition-base);
}

.code-block-copy:hover {
    background: rgba(255, 255, 255, 0.2);
    color: white;
}

.code-block-copy svg {
    width: 0.875rem;
    height: 0.875rem;
}

.code-block pre {
    margin: 0;
    padding: var(--space-6);
    overflow-x: auto;
}

.code-block code {
    font-family: var(--font-mono);
    font-size: var(--text-small);
    line-height: var(--leading-relaxed);
    color: #e4e4e7;
}

/* Syntax Highlighting */
.code-keyword { color: #c084fc; }
.code-string { color: #86efac; }
.code-number { color: #fbbf24; }
.code-comment { color: #71717a; }
.code-function { color: #60a5fa; }
.code-property { color: #f472b6; }
.code-operator { color: #94a3b8; }

/* ==========================================================================
   FEATURE SECTIONS
   ========================================================================== */

.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);
    }
}

.section-header {
    text-align: center;
    max-width: 720px;
    margin: 0 auto var(--space-16);
}

.section-label {
    display: inline-block;
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-primary-500);
    margin-bottom: var(--space-4);
}

.section-title {
    font-size: var(--text-display);
    font-weight: var(--font-bold);
    margin-bottom: var(--space-6);
    letter-spacing: var(--tracking-tight);
}

.section-description {
    font-size: var(--text-body-lg);
    color: var(--text-secondary);
}

/* ==========================================================================
   INTEGRATIONS LOGOS
   ========================================================================== */

.logos-section {
    padding: var(--space-16) 0;
    border-top: 1px solid var(--border-primary);
    border-bottom: 1px solid var(--border-primary);
}

.logos-title {
    text-align: center;
    font-size: var(--text-small);
    font-weight: var(--font-medium);
    color: var(--text-tertiary);
    margin-bottom: var(--space-8);
}

.logos-grid {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: var(--space-10);
}

.logos-grid svg,
.logos-grid img {
    height: 2rem;
    opacity: 0.5;
    filter: grayscale(100%);
    transition: opacity var(--transition-base), filter var(--transition-base);
}

.logos-grid svg:hover,
.logos-grid img:hover {
    opacity: 1;
    filter: grayscale(0%);
}

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

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

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

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

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

.pricing-card:hover {
    border-color: var(--color-primary-200);
    box-shadow: var(--shadow-xl);
}

.dark .pricing-card:hover {
    border-color: var(--color-primary-600);
}

.pricing-card-popular {
    border-color: var(--color-primary-500);
    box-shadow: var(--glow-primary);
}

.pricing-badge {
    position: absolute;
    top: calc(var(--space-4) * -1);
    left: 50%;
    transform: translateX(-50%);
    padding: var(--space-2) var(--space-4);
    background: var(--color-primary-500);
    color: white;
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    border-radius: var(--radius-full);
}

.pricing-name {
    font-size: var(--text-h4);
    font-weight: var(--font-semibold);
    margin-bottom: var(--space-2);
}

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

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

.pricing-amount {
    font-size: var(--text-display);
    font-weight: var(--font-bold);
    color: var(--text-primary);
}

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

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

.pricing-features li {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: var(--text-small);
    color: var(--text-secondary);
    margin-bottom: var(--space-3);
}

.pricing-features li svg {
    flex-shrink: 0;
    width: 1.25rem;
    height: 1.25rem;
    color: var(--color-success-500);
}

.pricing-cta {
    width: 100%;
}

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

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(1, 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 {
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
}

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

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.testimonial-avatar {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    object-fit: cover;
}

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

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

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

.cta-section {
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, var(--color-primary-600), var(--color-primary-900));
    border-radius: var(--radius-3xl);
    padding: var(--space-20) var(--space-8);
    text-align: center;
}

.cta-bg {
    position: absolute;
    inset: 0;
    opacity: 0.1;
    background-image:
        radial-gradient(circle at 20% 50%, white 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, white 0%, transparent 50%);
}

.cta-content {
    position: relative;
    z-index: 1;
    max-width: 640px;
    margin: 0 auto;
}

.cta-title {
    font-size: var(--text-display);
    font-weight: var(--font-bold);
    color: white;
    margin-bottom: var(--space-6);
}

.cta-description {
    font-size: var(--text-body-lg);
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--space-8);
}

.cta-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-4);
    justify-content: center;
}

.cta-btn-primary {
    background: white;
    color: var(--color-primary-600);
}

.cta-btn-primary:hover {
    background: var(--color-neutral-100);
}

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

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

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

.footer {
    padding: var(--space-20) 0 var(--space-8);
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-primary);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-8);
    margin-bottom: var(--space-16);
}

@media (min-width: 768px) {
    .footer-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (min-width: 1024px) {
    .footer-grid {
        grid-template-columns: 2fr repeat(4, 1fr);
    }
}

.footer-brand {
    grid-column: span 2;
}

@media (min-width: 1024px) {
    .footer-brand {
        grid-column: span 1;
    }
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: 1.5rem;
    font-weight: var(--font-bold);
    color: var(--text-primary);
    margin-bottom: var(--space-4);
}

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

.footer-description {
    font-size: var(--text-small);
    color: var(--text-tertiary);
    max-width: 280px;
    margin-bottom: var(--space-6);
}

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

.footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    color: var(--text-tertiary);
    transition: all var(--transition-base);
}

.footer-social a:hover {
    background: var(--color-primary-500);
    color: white;
}

.footer-social svg {
    width: 1.25rem;
    height: 1.25rem;
}

.footer-column h4 {
    font-size: var(--text-small);
    font-weight: var(--font-semibold);
    color: var(--text-primary);
    margin-bottom: var(--space-4);
}

.footer-column ul {
    list-style: none;
}

.footer-column li {
    margin-bottom: var(--space-3);
}

.footer-column a {
    font-size: var(--text-small);
    color: var(--text-tertiary);
    transition: color var(--transition-base);
}

.footer-column a:hover {
    color: var(--text-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-small);
    color: var(--text-tertiary);
}

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

.footer-links a {
    font-size: var(--text-small);
    color: var(--text-tertiary);
    transition: color var(--transition-base);
}

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

/* ==========================================================================
   ANIMATIONS
   ========================================================================== */

/* 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; }

/* Hover animations */
.hover-lift {
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.hover-lift:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

/* Shield animation */
@keyframes shield-pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.8;
    }
}

.animate-shield {
    animation: shield-pulse 2s ease-in-out infinite;
}

/* Gradient shift */
@keyframes gradient-shift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.animate-gradient {
    background-size: 200% 200%;
    animation: gradient-shift 8s ease infinite;
}

/* Float animation */
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.animate-float {
    animation: float 3s ease-in-out infinite;
}

/* Pulse ring */
@keyframes pulse-ring {
    0% {
        transform: scale(1);
        opacity: 0.8;
    }
    100% {
        transform: scale(1.5);
        opacity: 0;
    }
}

.pulse-ring {
    animation: pulse-ring 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* 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;
    }
}

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

/* Products Page */
.products-hero {
    padding-top: calc(var(--navbar-height) + var(--space-20));
    padding-bottom: var(--space-16);
    text-align: center;
}

.product-card {
    display: flex;
    flex-direction: column;
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    transition: all var(--transition-base);
}

.product-card:hover {
    border-color: var(--color-primary-200);
    box-shadow: var(--shadow-xl);
}

.dark .product-card:hover {
    border-color: var(--color-primary-600);
}

.product-card-image {
    aspect-ratio: 16/9;
    background: linear-gradient(135deg, var(--color-primary-100), var(--color-primary-50));
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-8);
}

.dark .product-card-image {
    background: linear-gradient(135deg, var(--color-primary-950), var(--color-neutral-900));
}

.product-card-content {
    padding: var(--space-8);
}

.product-card h3 {
    font-size: var(--text-h3);
    margin-bottom: var(--space-3);
}

.product-card p {
    font-size: var(--text-body);
    margin-bottom: var(--space-6);
}

/* Docs Page */
.docs-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-8);
    padding-top: calc(var(--navbar-height) + var(--space-8));
}

@media (min-width: 1024px) {
    .docs-layout {
        grid-template-columns: 280px 1fr;
    }
}

.docs-sidebar {
    display: none;
    position: sticky;
    top: calc(var(--navbar-height) + var(--space-8));
    height: fit-content;
    padding: var(--space-6);
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
}

@media (min-width: 1024px) {
    .docs-sidebar {
        display: block;
    }
}

.docs-sidebar h4 {
    font-size: var(--text-small);
    font-weight: var(--font-semibold);
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-4);
}

.docs-sidebar ul {
    list-style: none;
    margin-bottom: var(--space-6);
}

.docs-sidebar li {
    margin-bottom: var(--space-2);
}

.docs-sidebar a {
    display: block;
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-small);
    color: var(--text-secondary);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.docs-sidebar a:hover,
.docs-sidebar a.active {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.docs-sidebar a.active {
    color: var(--color-primary-500);
}

.docs-content {
    max-width: 800px;
}

.docs-content h1 {
    font-size: var(--text-h1);
    margin-bottom: var(--space-6);
}

.docs-content h2 {
    font-size: var(--text-h2);
    margin-top: var(--space-12);
    margin-bottom: var(--space-4);
    padding-top: var(--space-6);
    border-top: 1px solid var(--border-primary);
}

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

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

.docs-content ul,
.docs-content ol {
    margin-bottom: var(--space-4);
    padding-left: var(--space-6);
}

.docs-content li {
    margin-bottom: var(--space-2);
    color: var(--text-secondary);
}

/* Status Page */
.status-indicator {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-6);
    background: var(--color-success-50);
    border: 1px solid var(--color-success-100);
    border-radius: var(--radius-xl);
    margin-bottom: var(--space-8);
}

.dark .status-indicator {
    background: rgba(34, 197, 94, 0.1);
    border-color: rgba(34, 197, 94, 0.2);
}

.status-dot {
    width: 0.75rem;
    height: 0.75rem;
    background: var(--color-success-500);
    border-radius: 50%;
    animation: pulse-ring 2s infinite;
}

.status-text {
    font-weight: var(--font-medium);
    color: var(--color-success-600);
}

.dark .status-text {
    color: var(--color-success-500);
}

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

.status-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4) var(--space-6);
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
}

.status-item-name {
    font-weight: var(--font-medium);
    color: var(--text-primary);
}

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-1) var(--space-3);
    font-size: var(--text-xs);
    font-weight: var(--font-medium);
    border-radius: var(--radius-full);
}

.status-badge-operational {
    background: var(--color-success-100);
    color: var(--color-success-600);
}

.dark .status-badge-operational {
    background: rgba(34, 197, 94, 0.2);
    color: var(--color-success-500);
}

/* Changelog Page */
.changelog-item {
    display: flex;
    gap: var(--space-6);
    padding-bottom: var(--space-12);
    margin-bottom: var(--space-12);
    border-bottom: 1px solid var(--border-primary);
}

.changelog-date {
    flex-shrink: 0;
    width: 120px;
}

.changelog-date time {
    font-size: var(--text-small);
    font-weight: var(--font-medium);
    color: var(--text-tertiary);
}

.changelog-content h3 {
    font-size: var(--text-h3);
    margin-bottom: var(--space-4);
}

.changelog-tag {
    display: inline-block;
    padding: var(--space-1) var(--space-3);
    font-size: var(--text-xs);
    font-weight: var(--font-medium);
    border-radius: var(--radius-full);
    margin-right: var(--space-2);
    margin-bottom: var(--space-2);
}

.changelog-tag-feature {
    background: var(--color-primary-100);
    color: var(--color-primary-600);
}

.dark .changelog-tag-feature {
    background: var(--color-primary-950);
    color: var(--color-primary-400);
}

.changelog-tag-fix {
    background: var(--color-success-100);
    color: var(--color-success-600);
}

.dark .changelog-tag-fix {
    background: rgba(34, 197, 94, 0.2);
    color: var(--color-success-500);
}

.changelog-tag-improvement {
    background: var(--color-warning-100);
    color: var(--color-warning-600);
}

.dark .changelog-tag-improvement {
    background: rgba(245, 158, 11, 0.2);
    color: var(--color-warning-500);
}

/* Auth Pages */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-8);
}

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

.auth-card {
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-2xl);
    padding: var(--space-8);
}

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

.auth-logo {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: 1.5rem;
    font-weight: var(--font-bold);
    color: var(--text-primary);
    margin-bottom: var(--space-6);
}

.auth-title {
    font-size: var(--text-h2);
    font-weight: var(--font-bold);
    margin-bottom: var(--space-2);
}

.auth-subtitle {
    font-size: var(--text-body);
    color: var(--text-secondary);
}

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

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border-primary);
}

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

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

.auth-footer a {
    color: var(--color-primary-500);
    font-weight: var(--font-medium);
}

.auth-footer a:hover {
    color: var(--color-primary-600);
}

/* Social buttons */
.social-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    width: 100%;
    padding: var(--space-3);
    background: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    font-size: var(--text-small);
    font-weight: var(--font-medium);
    color: var(--text-primary);
    cursor: pointer;
    transition: all var(--transition-base);
}

.social-btn:hover {
    background: var(--bg-secondary);
    border-color: var(--color-primary-200);
}

.social-btn svg {
    width: 1.25rem;
    height: 1.25rem;
}

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

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

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

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

::-webkit-scrollbar-thumb {
    background: var(--color-neutral-300);
    border-radius: var(--radius-full);
}

.dark ::-webkit-scrollbar-thumb {
    background: var(--color-neutral-700);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-neutral-400);
}

.dark ::-webkit-scrollbar-thumb:hover {
    background: var(--color-neutral-600);
}

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

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

    body {
        font-size: 12pt;
        line-height: 1.5;
        color: black;
        background: white;
    }

    a {
        text-decoration: underline;
    }

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

/* ==========================================================================
   PERFORMANCE OPTIMIZATIONS
   ========================================================================== */

.section {
    content-visibility: auto;
    contain-intrinsic-size: 0 500px;
}

img {
    content-visibility: auto;
}