@import url('https://fonts.googleapis.com/css2?family=Archivo:wght@400;500;600;700;800;900&family=Space+Mono:wght@400;700&display=swap');

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

:root {
    --color-bg: #f4f1ea;
    --color-paper: #fbf9f3;
    --color-ink: #111111;
    --color-text: #111111;
    --color-text-secondary: #5a564e;
    --color-text-muted: #9a948a;
    --color-border: #d8d3c7;
    --color-grid: #e7e2d6;
    --color-accent: #e2231a;
    --color-accent-soft: #f6d9d6;
    --font-primary: 'Helvetica Neue', 'Inter', Helvetica, Arial, sans-serif;
    --font-display: 'Archivo', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    --font-mono: 'Space Mono', 'Courier New', Courier, monospace;
    --space-unit: 8px;
    --grid-columns: 12;
    --max-width: 1480px;
    --running-header: 'ÆTHØS 2026 — DAY ZERO';
    --swiss-red: #e2231a;
}

@media (prefers-color-scheme: dark) {
    :root {
        --color-bg: #000;
        --color-paper: #141210;
        --color-text: #f0ede6;
        --color-text-secondary: #a39e93;
        --color-text-muted: #6b665d;
        --color-border: #2c2a26;
        --color-grid: #000;
        --color-accent: #ff3b30;
        --color-accent-soft: #3a201d;
        --swiss-red: #ff3b30;
    }
}

/* Explicit Dark Theme — forces dark regardless of OS preference */
:root[data-theme='dark'] {
    --color-bg: #000;
    --color-paper: #16140f;
    --color-ink: #000000;
    --color-text: #f2efe8;
    --color-text-secondary: #a8a298;
    --color-text-muted: #726c62;
    --color-border: #2e2b25;
    --color-grid: #000;
    --color-accent: #ff3b30;
    --color-accent-soft: #3a201d;
    --swiss-red: #ff3b30;
    color-scheme: dark;
}

/* Explicit Light Theme — forces light regardless of OS preference */
:root[data-theme='light'] {
    --color-bg: #f4f1ea;
    --color-paper: #fbf9f3;
    --color-ink: #111111;
    --color-text: #111111;
    --color-text-secondary: #5a564e;
    --color-text-muted: #9a948a;
    --color-border: #d8d3c7;
    --color-grid: #e7e2d6;
    --color-accent: #e2231a;
    --color-accent-soft: #f6d9d6;
    --swiss-red: #e2231a;
    color-scheme: light;
}

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

body {
    font-family: var(--font-primary);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

/* Typography Scale — Swiss International Style / Editorial */
.t-display {
    font-family: var(--font-display);
    font-size: clamp(4.5rem, 17vw, 16rem);
    font-weight: 800;
    line-height: 0.86;
    letter-spacing: -0.045em;
    text-transform: uppercase;
    font-stretch: 125%;
}

.t-headline {
    font-family: var(--font-display);
    font-size: clamp(2.25rem, 6vw, 5rem);
    font-weight: 800;
    line-height: 0.98;
    letter-spacing: -0.03em;
    text-transform: uppercase;
    font-stretch: 125%;
}

.t-title {
    font-family: var(--font-display);
    font-size: clamp(1.35rem, 2.6vw, 2rem);
    font-weight: 600;
    line-height: 1.15;
    letter-spacing: -0.015em;
}

.t-body {
    font-size: 1.0625rem;
    font-weight: 400;
    line-height: 1.62;
    max-width: 60ch;
    color: var(--color-text-secondary);
}

.t-caption {
    font-size: 0.6875rem;
    font-weight: 700;
    line-height: 1.4;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    color: var(--color-text-muted);
}

.t-mono {
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    line-height: 1.5;
    letter-spacing: 0.02em;
}

.t-kicker {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: var(--color-accent);
    font-weight: 400;
}

.fw-400 {
    font-weight: 400;
}

.fw-500 {
    font-weight: 500;
}

.fw-600 {
    font-weight: 600;
}

.fw-700 {
    font-weight: 700;
}

.fw-800 {
    font-weight: 800;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border: 2px solid var(--color-bg);
}

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

/* Selection */
::selection {
    background: var(--color-accent);
    color: #fff;
}