/* ═══════════════════════════════════════
   Reset, Base Typography, Grain & Shared Primitives
   ═══════════════════════════════════════ */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    background: var(--bg);
    color: var(--text);
    line-height: var(--leading-body);
    overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--gutter);
}

/* Tighter side gutter on phones → more room for titles + mockups. */
@media (max-width: 560px) {
    .container { padding: 0 20px; }
}

/* Film-grain overlay */
body::after {
    content: '';
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 9999;
    opacity: 0.022;
    background-image: var(--grain-url);
    background-repeat: repeat;
    background-size: 200px;
}

/* ── Section eyebrow + serif title (SectionLabel / SectionTitle) ── */
.section-label {
    font-family: var(--font-mono);
    font-size: var(--text-label);
    font-weight: var(--weight-medium);
    letter-spacing: var(--tracking-label);
    text-transform: uppercase;
    color: var(--accent-strong);
    margin-bottom: 12px;
}

.section-title {
    font-family: var(--font-display);
    font-size: var(--text-display);
    letter-spacing: -0.02em;
    line-height: 1.15;
    font-weight: 400;
    margin: 0 0 56px;
    max-width: 560px;
    color: var(--text);
}

.serif-accent {
    color: var(--accent);
    font-style: italic;
}

/* ── Scroll reveal ── */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity var(--duration-reveal) var(--ease-out-expo),
                transform var(--duration-reveal) var(--ease-out-expo);
}
.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.08s; }
.reveal-delay-2 { transition-delay: 0.16s; }
.reveal-delay-3 { transition-delay: 0.24s; }
.reveal-delay-4 { transition-delay: 0.32s; }

/* ── Focus ring ── */
:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
    border-radius: 5px;
}
:focus:not(:focus-visible) { outline: none; }

/* ── Native <details> chrome reset (FAQ accordion) ── */
details summary { cursor: pointer; list-style: none; }
details summary::-webkit-details-marker { display: none; }

/* ── Reduced motion: kill reveal/typing/blink/pulse motion; JS also bails. ── */
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
    }
    .reveal { opacity: 1 !important; transform: none !important; }
    .demo-line { opacity: 1 !important; transform: none !important; }
}