/* Aayusamvedna theme — visual system
   Mirrors the React/Tailwind tokens from src/styles.css.
   Light = warm cream + deep ink + copper. Dark = midnight + gold. */

:root {
	--aayu-bg: #fbf8f3;
	--aayu-fg: #14181f;
	--aayu-muted: #6b7180;
	--aayu-card: #ffffff;
	--aayu-border: rgba(20, 24, 31, 0.10);
	--aayu-accent: #f1ebde;
	--aayu-gold: #c79b54;
	--aayu-gold-fg: #14181f;
	--aayu-radius: 14px;
	--aayu-shadow: 0 30px 80px -30px rgba(20, 24, 31, 0.28);
	--aayu-font-display: "Instrument Serif", Georgia, "Times New Roman", serif;
	--aayu-font-sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
	--aayu-font-mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
	--aayu-container: 1200px;
}

html.dark, body.aayu-mode-dark {
	--aayu-bg: #14181f;
	--aayu-fg: #f5f3ee;
	--aayu-muted: #9ea4b3;
	--aayu-card: #1c2029;
	--aayu-border: rgba(255, 255, 255, 0.08);
	--aayu-accent: #232732;
	--aayu-gold: #d8b074;
	--aayu-gold-fg: #14181f;
	--aayu-shadow: 0 30px 80px -30px rgba(0, 0, 0, 0.7);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
	margin: 0;
	background: var(--aayu-bg);
	color: var(--aayu-fg);
	font-family: var(--aayu-font-sans);
	font-size: 16px;
	line-height: 1.6;
	-webkit-font-smoothing: antialiased;
	transition: background-color 0.4s ease, color 0.4s ease;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
a:hover { color: var(--aayu-gold); }
::selection { background: var(--aayu-gold); color: var(--aayu-gold-fg); }

.screen-reader-text { position: absolute !important; clip: rect(1px,1px,1px,1px); width: 1px; height: 1px; overflow: hidden; }
.skip-link { position: absolute; left: -9999px; top: 1rem; background: var(--aayu-fg); color: var(--aayu-bg); padding: .5rem 1rem; z-index: 100; }
.skip-link:focus { left: 1rem; }

/* Container & helpers */
.aayu-container { max-width: var(--aayu-container); margin: 0 auto; padding: 0 1.5rem; }
.aayu-section { padding: 5rem 0; }
.aayu-mono { font-family: var(--aayu-font-mono); font-size: .72rem; letter-spacing: .18em; text-transform: uppercase; color: var(--aayu-muted); }
.aayu-eyebrow { margin: 0 0 1rem; }
.aayu-display { font-family: var(--aayu-font-display); font-weight: 400; letter-spacing: -0.02em; line-height: 1.05; font-size: clamp(2.2rem, 5vw, 4.4rem); margin: 0 0 1rem; text-wrap: balance; }

/* Header */
.aayu-header { position: fixed; top: 0; left: 0; right: 0; z-index: 50; backdrop-filter: blur(18px); background: color-mix(in oklab, var(--aayu-bg) 75%, transparent); border-bottom: 1px solid transparent; transition: background-color .4s, border-color .4s; }
.aayu-header.is-scrolled { border-bottom-color: var(--aayu-border); }
.aayu-header__inner { max-width: var(--aayu-container); margin: 0 auto; height: 64px; padding: 0 1.5rem; display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.aayu-brand__mark { font-family: var(--aayu-font-display); font-size: 1.4rem; display: inline-flex; align-items: center; gap: .5rem; }
.aayu-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--aayu-gold); display: inline-block; }
.aayu-nav { display: none; }
@media (min-width: 1024px) { .aayu-nav { display: block; } }
.aayu-nav__list, .aayu-nav-fallback, .aayu-footer__menu { list-style: none; margin: 0; padding: 0; display: flex; gap: .25rem; flex-wrap: wrap; }
.aayu-nav__list a, .aayu-nav-fallback a { display: inline-block; padding: .5rem .85rem; border-radius: 999px; color: var(--aayu-muted); font-size: .9rem; transition: color .2s, background-color .2s; }
.aayu-nav__list a:hover, .aayu-nav-fallback a:hover, .aayu-nav__list .current-menu-item > a { color: var(--aayu-fg); background: color-mix(in oklab, var(--aayu-accent) 60%, transparent); }
.aayu-header__actions { display: flex; align-items: center; gap: .25rem; }
.aayu-icon-btn { width: 36px; height: 36px; border-radius: 999px; display: inline-grid; place-items: center; border: 0; background: transparent; color: var(--aayu-muted); cursor: pointer; transition: background .2s, color .2s; }
.aayu-icon-btn:hover { background: color-mix(in oklab, var(--aayu-accent) 60%, transparent); color: var(--aayu-fg); }
.aayu-menu-toggle { display: inline-grid; }
@media (min-width: 1024px) { .aayu-menu-toggle { display: none; } }

/* Buttons */
.aayu-btn { display: inline-flex; align-items: center; gap: .5rem; padding: .65rem 1.1rem; border-radius: 999px; font-size: .9rem; font-weight: 500; line-height: 1; transition: transform .2s ease, background .2s, color .2s, border-color .2s; border: 1px solid transparent; cursor: pointer; }
.aayu-btn--solid { background: var(--aayu-fg); color: var(--aayu-bg); }
.aayu-btn--solid:hover { background: color-mix(in oklab, var(--aayu-fg) 90%, transparent); color: var(--aayu-bg); transform: translateY(-1px); }
.aayu-btn--ghost { background: transparent; color: var(--aayu-fg); border-color: var(--aayu-border); }
.aayu-btn--ghost:hover { border-color: var(--aayu-gold); color: var(--aayu-gold); }

/* Main spacer for fixed header */
.aayu-main { padding-top: 64px; min-height: 70vh; }

/* Hero */
.aayu-hero { position: relative; padding: 8rem 0 6rem; background-color: var(--aayu-bg); background-size: cover; background-position: center; overflow: hidden; }
.aayu-hero__grad { position: absolute; inset: 0; background: radial-gradient(120% 80% at 50% 0%, color-mix(in oklab, var(--aayu-gold) 18%, transparent), transparent 60%); pointer-events: none; }
.aayu-hero__inner { position: relative; }
.aayu-hero__title { font-size: clamp(2.6rem, 7vw, 6rem); }
.aayu-hero__sub { font-size: 1.15rem; color: var(--aayu-muted); max-width: 38rem; margin: 0 0 2rem; }
.aayu-hero__ctas { display: flex; gap: .75rem; flex-wrap: wrap; }

/* Page hero (interior pages) */
.aayu-page-hero { padding: 8rem 0 3rem; position: relative; }
.aayu-page-hero::after { content: ""; position: absolute; inset: 0; background: radial-gradient(60% 60% at 50% 0%, color-mix(in oklab, var(--aayu-gold) 10%, transparent), transparent 70%); pointer-events: none; }

/* Marquee */
.aayu-marquee { overflow: hidden; border-top: 1px solid var(--aayu-border); border-bottom: 1px solid var(--aayu-border); padding: 1rem 0; }
.aayu-marquee__track { display: inline-flex; gap: 2rem; white-space: nowrap; animation: aayu-marquee 40s linear infinite; font-family: var(--aayu-font-display); font-size: 1.6rem; color: var(--aayu-muted); }
.aayu-marquee__sep { color: var(--aayu-gold); }
@keyframes aayu-marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* Stats */
.aayu-stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
@media (min-width: 768px) { .aayu-stats { grid-template-columns: repeat(4, 1fr); } }
.aayu-stats > div { padding: 2rem 1.5rem; border: 1px solid var(--aayu-border); border-radius: var(--aayu-radius); background: var(--aayu-card); display: flex; flex-direction: column; gap: .5rem; }
.aayu-stat__num { font-family: var(--aayu-font-display); font-size: 2.6rem; line-height: 1; }
.aayu-stat__lbl { font-family: var(--aayu-font-mono); font-size: .7rem; letter-spacing: .18em; text-transform: uppercase; color: var(--aayu-muted); }

/* Section heads */
.aayu-section__head { margin-bottom: 3rem; max-width: 48rem; }

/* Cards */
.aayu-card-grid { display: grid; gap: 1.5rem; grid-template-columns: 1fr; }
@media (min-width: 768px) { .aayu-card-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .aayu-card-grid { grid-template-columns: repeat(3, 1fr); } }
.aayu-card { background: var(--aayu-card); border: 1px solid var(--aayu-border); border-radius: var(--aayu-radius); overflow: hidden; transition: transform .35s cubic-bezier(0.16,1,0.3,1), box-shadow .35s, border-color .35s; }
.aayu-card:hover { transform: translateY(-4px); box-shadow: var(--aayu-shadow); border-color: color-mix(in oklab, var(--aayu-gold) 50%, var(--aayu-border)); }
.aayu-card__link { display: block; color: inherit; }
.aayu-card__media { aspect-ratio: 16 / 10; overflow: hidden; background: var(--aayu-accent); }
.aayu-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s ease; }
.aayu-card:hover .aayu-card__media img { transform: scale(1.05); }
.aayu-card__body { padding: 1.5rem; }
.aayu-card__title { font-family: var(--aayu-font-display); font-size: 1.6rem; margin: .25rem 0 .5rem; line-height: 1.1; }
.aayu-card__desc { color: var(--aayu-muted); font-size: .95rem; margin: 0 0 1rem; }
.aayu-card__more { font-family: var(--aayu-font-mono); font-size: .72rem; letter-spacing: .18em; text-transform: uppercase; color: var(--aayu-gold); }

/* CTA */
.aayu-cta { padding: 6rem 0; text-align: center; background: linear-gradient(180deg, transparent, color-mix(in oklab, var(--aayu-gold) 8%, transparent)); border-top: 1px solid var(--aayu-border); }
.aayu-cta p { color: var(--aayu-muted); margin: 0 0 2rem; }

/* Prose */
.aayu-prose { max-width: 44rem; margin: 0 auto; font-size: 1.05rem; }
.aayu-prose h2 { font-family: var(--aayu-font-display); font-size: 2rem; margin: 2.5rem 0 1rem; }
.aayu-prose h3 { font-family: var(--aayu-font-display); font-size: 1.5rem; margin: 2rem 0 .75rem; }
.aayu-prose p { margin: 0 0 1.25rem; }
.aayu-prose a { color: var(--aayu-gold); border-bottom: 1px solid var(--aayu-gold); }
.aayu-prose blockquote { border-left: 3px solid var(--aayu-gold); padding-left: 1.25rem; font-family: var(--aayu-font-display); font-size: 1.4rem; margin: 2rem 0; color: var(--aayu-muted); }
.aayu-prose img, .aayu-feature-image { border-radius: var(--aayu-radius); margin: 2rem 0; }

/* Founder */
.aayu-founder__grid { display: grid; grid-template-columns: 1fr; gap: 3rem; align-items: start; }
@media (min-width: 900px) { .aayu-founder__grid { grid-template-columns: 1fr 1.4fr; } }
.aayu-founder__image img { width: 100%; border-radius: var(--aayu-radius); box-shadow: var(--aayu-shadow); }

/* Contact */
.aayu-contact__grid { display: grid; grid-template-columns: 1fr; gap: 3rem; }
@media (min-width: 900px) { .aayu-contact__grid { grid-template-columns: 1fr 1.2fr; } }
.aayu-contact__meta { list-style: none; padding: 0; margin: 2rem 0 0; display: grid; gap: 1.5rem; }
.aayu-contact__meta li { display: flex; flex-direction: column; gap: .25rem; }

/* Form */
.aayu-form { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.aayu-form label { display: flex; flex-direction: column; gap: .35rem; font-size: .85rem; color: var(--aayu-muted); }
.aayu-form__full { grid-column: 1 / -1; }
.aayu-form input, .aayu-form select, .aayu-form textarea { font: inherit; padding: .75rem .9rem; border-radius: 10px; border: 1px solid var(--aayu-border); background: var(--aayu-card); color: var(--aayu-fg); }
.aayu-form input:focus, .aayu-form select:focus, .aayu-form textarea:focus { outline: 2px solid var(--aayu-gold); outline-offset: 1px; }
.aayu-form__actions { grid-column: 1 / -1; }

/* Search */
.aayu-search { display: flex; gap: .5rem; max-width: 36rem; margin-top: 1.5rem; }
.aayu-search input { flex: 1; padding: .75rem 1rem; border-radius: 999px; border: 1px solid var(--aayu-border); background: var(--aayu-card); color: var(--aayu-fg); font: inherit; }
.aayu-search-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 1rem; }
.aayu-search-list a { display: block; padding: 1.5rem; border: 1px solid var(--aayu-border); border-radius: var(--aayu-radius); background: var(--aayu-card); }
.aayu-search-list a:hover { border-color: var(--aayu-gold); }

/* 404 */
.aayu-404 { text-align: center; padding: 8rem 0; }
.aayu-404 .aayu-hero__ctas { justify-content: center; }

/* Footer */
.aayu-footer { border-top: 1px solid var(--aayu-border); background: var(--aayu-bg); margin-top: 4rem; }
.aayu-footer__inner { max-width: var(--aayu-container); margin: 0 auto; padding: 5rem 1.5rem 2.5rem; }
.aayu-footer__grid { display: grid; grid-template-columns: 1fr; gap: 3rem; margin-bottom: 4rem; }
@media (min-width: 768px) { .aayu-footer__grid { grid-template-columns: 1.6fr 1fr 1fr 1fr 1fr; } }
.aayu-footer__brand .aayu-brand__mark { font-size: 1.8rem; margin-bottom: 1rem; }
.aayu-footer__desc { color: var(--aayu-muted); font-size: .92rem; max-width: 22rem; }
.aayu-footer__col-title { font-family: var(--aayu-font-mono); font-size: .7rem; letter-spacing: .18em; text-transform: uppercase; color: var(--aayu-muted); margin: 0 0 1rem; }
.aayu-footer__menu { flex-direction: column; gap: .75rem; }
.aayu-footer__menu a { color: color-mix(in oklab, var(--aayu-fg) 80%, transparent); }
.aayu-footer__menu a:hover { color: var(--aayu-gold); }
.aayu-footer__bottom { display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding-top: 2rem; border-top: 1px solid var(--aayu-border); font-family: var(--aayu-font-mono); font-size: .68rem; letter-spacing: .18em; text-transform: uppercase; color: var(--aayu-muted); flex-wrap: wrap; }

/* Reveal animation (applied via JS observer) */
.aayu-reveal { opacity: 0; transform: translateY(24px); }
.aayu-reveal.is-visible { animation: aayu-reveal-up .9s cubic-bezier(0.16,1,0.3,1) both; }
@keyframes aayu-reveal-up { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: translateY(0); } }

@media (prefers-reduced-motion: reduce) {
	*, *::before, *::after { animation-duration: 0s !important; transition-duration: 0s !important; }
}