/* Vanza brand theme: purple accents. Colors defined in :root below. */

:root {
    --color-accent-primary: #8B5CF6;
    --color-accent-primary-hover: #7C3AED;
    --color-accent-secondary: #C4B5FD;
    --color-accent-muted: #EDE9FE;
    --color-accent-on-dark: #A78BFA;
    --color-text-accent: #7C3AED;
    --color-bg-accent-wash: #EDE9FE;
    --color-border-focus: #8B5CF6;
    --border-accent: 1px solid #8B5CF6;
    --gradient-hero: linear-gradient(160deg, #EDE9FE 0%, #FFFFFF 55%);
    --gradient-cta-banner: linear-gradient(135deg, #EDE9FE 0%, #DDD6FE 100%);
    --gradient-accent: linear-gradient(135deg, #8B5CF6 0%, #C4B5FD 100%);
    --accent-selection-bg: rgba(139, 92, 246, 0.20);
    --accent-focus-ring: rgba(139, 92, 246, 0.55);
    --accent-btn-secondary-hover-bg: rgba(139, 92, 246, 0.06);
    --accent-input-focus-shadow: 0 0 0 3px rgba(139, 92, 246, 0.18);
}

:root {
    /* ========================================= */
    /* COLOR PALETTE                             */
    /* ========================================= */
    /* Backgrounds */
    --color-bg-primary: #FFFFFF;
    --color-bg-secondary: #F7F7F8;
    --color-bg-tertiary: #EFEFF2;
    --color-bg-footer: #1C1C1E;
    --color-bg-overlay: rgba(0, 0, 0, 0.04);

    /* Typography Colors */
    --color-text-primary: #1A1A1A;
    --color-text-secondary: #6B7280;
    --color-text-muted: #767676;
    --color-text-inverse: #FFFFFF;

    /* Semantics & Leaderboard */
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-error: #ef4444;
    --color-podium-gold: #fbbf24;
    --color-podium-silver: #9CA3AF;
    --color-podium-bronze: #b45309;

    /* Borders */
    --color-border-subtle: #E5E7EB;
    --color-border-default: #D1D5DB;

    /* Non-accent gradients */
    --gradient-section-transition: linear-gradient(180deg, #FFFFFF 0%, #F7F7F8 100%);
    --gradient-image-overlay: linear-gradient(to bottom, transparent 40%, rgba(0, 0, 0, 0.35) 100%);

    /* ========================================= */
    /* TYPOGRAPHY                                */
    /* ========================================= */
    --font-sans: "Inter", system-ui, -apple-system, sans-serif;
    --font-display: "Outfit", system-ui, -apple-system, sans-serif;
    --font-mono: "JetBrains Mono", monospace;

    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 2rem;
    --text-4xl: 2.5rem;
    --text-hero: clamp(3.25rem, 5.5vw + 0.5rem, 5.75rem);
    --text-stat: clamp(2.5rem, 4vw + 0.5rem, 4.5rem);
    --text-eyebrow: 0.75rem;

    --font-regular: 400;
    --font-medium: 500;
    --font-semibold: 600;
    --font-bold: 700;

    --leading-none: 1;
    --leading-tight: 1.2;
    --leading-snug: 1.375;
    --leading-relaxed: 1.6;

    --letter-spacing-eyebrow: 0.1em;
    --letter-spacing-heading: -0.02em;

    /* ========================================= */
    /* SPACING & LAYOUT                          */
    /* ========================================= */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-24: 6rem;
    --space-32: 8rem;

    --max-width-wide: 1280px;
    --max-width-container: 1100px;
    --max-width-copy: 760px;
    --max-width-narrow: 640px;

    --section-padding-y-mobile: 5rem;
    --section-padding-y-tablet: 7rem;
    --section-padding-y-desktop: 9rem;
    --section-padding-y-hero: 12rem;

    --split-gap: 5rem;
    --split-ratio-image: 1.1fr;
    --split-ratio-copy: 0.9fr;
    --split-image-aspect: 4 / 3;

    /* ========================================= */
    /* BORDERS & SHADOWS                         */
    /* ========================================= */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-full: 9999px;

    --border-subtle: 1px solid #E5E7EB;
    --border-default: 1px solid #D1D5DB;

    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.06);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08), 0 2px 4px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 10px 28px rgba(0, 0, 0, 0.08), 0 4px 8px rgba(0, 0, 0, 0.04);
    --shadow-nav: 0 4px 16px rgba(0, 0, 0, 0.06);
    --shadow-image: 0 16px 48px rgba(0, 0, 0, 0.12), 0 4px 12px rgba(0, 0, 0, 0.06);
    --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.04);

    /* ========================================= */
    /* ANIMATION TIMING                          */
    /* ========================================= */
    --transition-fast: 150ms ease-out;
    --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 3000ms ease-in-out;

    /* Layout additions */
    --header-height: 72px;
    --grid-gap-mobile: var(--space-6);
    --grid-gap-desktop: var(--space-8);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body,
h1,
h2,
h3,
h4,
p,
ul,
ol,
dl,
figure,
blockquote {
    margin: 0;
}

body {
    min-height: 100vh;
    background: var(--color-bg-primary);
    color: var(--color-text-primary);
    font-family: var(--font-sans);
    font-size: var(--text-base);
    line-height: var(--leading-relaxed);
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
}

body.menu-open {
    overflow: hidden;
}

img,
picture,
svg,
video,
canvas {
    display: block;
    max-width: 100%;
}

input,
button,
textarea,
select {
    font: inherit;
}

button,
a {
    -webkit-tap-highlight-color: transparent;
}

a {
    color: inherit;
    text-decoration: none;
}

ul,
ol {
    padding: 0;
}

ul[role="list"],
ol[role="list"] {
    list-style: none;
}

main {
    display: block;
}

::selection {
    background: var(--accent-selection-bg);
    color: var(--color-text-primary);
}

:focus-visible {
    outline: 3px solid var(--accent-focus-ring);
    outline-offset: 3px;
}

[hidden] {
    display: none !important;
}

.skip-link {
    position: absolute;
    left: var(--space-4);
    top: -48px;
    z-index: 1000;
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-md);
    background: var(--color-text-primary);
    color: var(--color-text-inverse);
    transition: top var(--transition-fast);
}

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

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
    color: var(--color-accent-primary);
    font-size: var(--text-eyebrow);
    font-weight: var(--font-semibold);
    letter-spacing: var(--letter-spacing-eyebrow);
    text-transform: uppercase;
}

.eyebrow::before {
    content: "";
    width: 2rem;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-accent-primary));
}

.heading-display,
h1,
h2,
h3,
h4 {
    font-family: var(--font-display);
    line-height: var(--leading-tight);
    letter-spacing: -0.02em;
}

h1 {
    font-size: var(--text-hero);
    line-height: var(--leading-none);
}

h2 {
    font-size: clamp(2.2rem, 2rem + 1vw, var(--text-4xl));
}

h3 {
    font-size: var(--text-xl);
}

p {
    color: var(--color-text-secondary);
    max-width: var(--max-width-copy);
}

.text-muted {
    color: var(--color-text-muted);
}

.text-secondary {
    color: var(--color-text-secondary);
}

.text-gradient {
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.text-mono {
    font-family: var(--font-mono);
}

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

.divider {
    height: 1px;
    width: 100%;
    background: var(--color-border-subtle);
}

.page-shell {
    position: relative;
    overflow-x: clip;
    overflow-y: visible;
}

.reveal {
    opacity: 0;
    transform: translateY(20px);
    transition:
        opacity var(--transition-base),
        transform var(--transition-base);
}

.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.surface {
    border: var(--border-subtle);
    background: #FFFFFF;
}

.glow-ring {
    box-shadow: var(--shadow-md);
}

.legal-copy {
    display: grid;
    gap: var(--space-8);
}

.legal-copy h2 {
    font-size: var(--text-2xl);
}

.legal-copy h3 {
    margin-bottom: var(--space-3);
}

.legal-copy ul,
.legal-copy ol {
    display: grid;
    gap: var(--space-2);
    margin-left: var(--space-6);
    color: var(--color-text-secondary);
}

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

@media (min-width: 768px) {
    body {
        font-size: var(--text-lg);
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    ::before,
    ::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }

    .reveal {
        opacity: 1;
        transform: none;
    }
}