/* Vineyard Icon v3 — base typography & layout.
   Editorial register. Generous whitespace. Sage-discipline.
*/

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  overflow-x: clip; /* prevent any horizontal wiggle */
}

body {
  margin: 0;
  overflow-x: clip; /* belt-and-suspenders for older engines */
  max-width: 100vw;
  font-family: var(--font-editorial);
  font-size: var(--t-body);
  line-height: var(--leading-editorial);
  color: var(--vi-charcoal);
  background: var(--vi-ivory);
  font-feature-settings: "kern" 1, "liga" 1, "onum" 1;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Headings — display serif, vineyard navy */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--vi-vineyard-navy);
  font-weight: 600;
  margin: 0 0 var(--space-4);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-display);
}
h1 { font-size: clamp(2.4rem, 5vw, var(--t-h1)); line-height: var(--leading-display); }
h2 { font-size: clamp(2.0rem, 3.6vw, var(--t-h2)); }
h3 { font-size: clamp(1.6rem, 2.6vw, var(--t-h3)); }
h4 { font-size: var(--t-h4); }
h5 { font-size: var(--t-h5); }
h6 { font-size: var(--t-h6); }

p {
  margin: 0 0 var(--space-4);
  max-width: 64ch;
}

a {
  color: var(--vi-vineyard-navy);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color var(--dur-fast) var(--ease-out);
}
a:hover { color: var(--vi-gold-deep); }

img { max-width: 100%; height: auto; display: block; }

/* Typographic atoms */
.eyebrow {
  font-family: var(--font-ui);
  font-size: var(--t-eyebrow);
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
  color: var(--vi-charcoal-soft);
  font-weight: 500;
}

.lede {
  font-family: var(--font-editorial);
  font-size: 1.32rem;
  line-height: 1.5;
  color: var(--vi-charcoal);
  max-width: 56ch;
}

.rule {
  height: 1px;
  background: var(--vi-rule);
  border: 0;
  margin: var(--space-7) 0;
}
.rule--gold {
  height: 1px;
  background: var(--vi-gold);
  width: 56px;
  border: 0;
  margin: 0 0 var(--space-4);
}

/* Layout primitives */
.container {
  width: 100%;
  max-width: var(--max-default);
  margin: 0 auto;
  padding: 0 var(--space-5);
}
.container--narrow { max-width: var(--max-narrow); }
.container--wide { max-width: var(--max-wide); }

section { padding: var(--space-8) 0; }
@media (max-width: 720px) { section { padding: var(--space-7) 0; } }

/* Grid helpers */
.grid { display: grid; gap: var(--space-5); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }
.grid--asym { grid-template-columns: 5fr 7fr; gap: var(--space-7); align-items: start; }
.grid > *, .split > *, .grid--asym > * { min-width: 0; } /* allow grid items to shrink below content size */
@media (max-width: 900px) {
  .grid--2, .grid--3, .grid--4, .grid--asym { grid-template-columns: 1fr; }
}

/* Buttons — never bright/neon. Navy primary; ghost secondary; gold for sponsor CTAs on dark */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 14px 28px;
  font-family: var(--font-ui);
  font-size: 0.92rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  border: 1px solid var(--vi-vineyard-navy);
  background: var(--vi-vineyard-navy);
  color: var(--vi-warm-white);
  cursor: pointer;
  transition: all var(--dur-fast) var(--ease-out);
}
.btn:hover { background: var(--vi-vineyard-navy-2); color: var(--vi-warm-white); }
.btn--ghost {
  background: transparent;
  color: var(--vi-vineyard-navy);
}
.btn--ghost:hover {
  background: var(--vi-vineyard-navy);
  color: var(--vi-warm-white);
}
.btn--gold {
  background: var(--vi-gold);
  border-color: var(--vi-gold);
  color: var(--vi-vineyard-navy);
}
.btn--gold:hover { background: var(--vi-gold-deep); border-color: var(--vi-gold-deep); }

/* Header / nav */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(249, 246, 239, 0.92);
  backdrop-filter: saturate(120%) blur(8px);
  -webkit-backdrop-filter: saturate(120%) blur(8px);
  border-bottom: 1px solid var(--vi-rule);
}
.site-header__inner {
  max-width: var(--max-wide);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px var(--space-5);
}
.brand-mark {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  color: var(--vi-vineyard-navy);
}
.brand-mark__type {
  font-family: var(--font-display);
  font-size: 1.18rem;
  letter-spacing: 0.02em;
  font-weight: 600;
}
.brand-mark__sub {
  display: block;
  font-family: var(--font-ui);
  font-size: 0.65rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--vi-charcoal-soft);
  margin-top: 2px;
}
.nav {
  display: flex;
  gap: var(--space-5);
  align-items: center;
}
.nav a {
  font-family: var(--font-ui);
  font-size: 0.84rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--vi-charcoal);
  text-decoration: none;
  padding: 6px 0;
  border-bottom: 1px solid transparent;
  transition: color var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out);
}
.nav a:hover, .nav a.is-active {
  color: var(--vi-vineyard-navy);
  border-bottom-color: var(--vi-gold);
}
.nav__cta { margin-left: var(--space-3); }
.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--vi-rule-strong);
  font-family: var(--font-ui);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  padding: 8px 12px;
  cursor: pointer;
  color: var(--vi-vineyard-navy);
}

@media (max-width: 900px) {
  .nav { display: none; }
  .nav.is-open {
    display: flex;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--vi-ivory);
    flex-direction: column;
    padding: var(--space-5);
    gap: var(--space-3);
    border-bottom: 1px solid var(--vi-rule);
    align-items: flex-start;
  }
  .nav-toggle { display: inline-flex; }
}

/* Disclosure banner — Brand OS §11 A-2 (T-3 anti-claim).
   Compliance disclosure: "IRS application pending" framing.
   Cited verbatim from Master Brief §17 substitution table.
*/
.disclosure {
  background: var(--vi-vineyard-navy);
  color: var(--vi-warm-white);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-align: center;
  padding: 10px var(--space-4);
  letter-spacing: 0.02em;
  line-height: 1.5;
}
.disclosure strong {
  color: var(--vi-gold);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-right: 8px;
}

/* Hero (home) */
.hero {
  position: relative;
  min-height: 84vh;
  display: flex;
  align-items: center;
  background:
    linear-gradient(180deg, rgba(10,18,38,0.55) 0%, rgba(10,18,38,0.35) 35%, rgba(10,18,38,0.72) 100%),
    url('../images/hero_background_hydrangeas.png') center/cover no-repeat;
  color: var(--vi-warm-white);
  padding: var(--space-9) 0 var(--space-8);
  border-bottom: 4px solid var(--vi-gold);
}
.hero__eyebrow {
  font-family: var(--font-ui);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: #E5C66A;
  margin-bottom: var(--space-4);
  display: inline-block;
  padding: 6px 14px;
  background: rgba(10,18,38,0.55);
  border: 1px solid rgba(201,168,76,0.55);
  border-radius: 2px;
  text-shadow: 0 1px 8px rgba(0,0,0,0.55);
}
.hero h1 {
  color: var(--vi-warm-white);
  font-size: clamp(2.6rem, 6.4vw, var(--t-display));
  max-width: 14ch;
  margin-bottom: var(--space-5);
  text-shadow: 0 1px 24px rgba(10,15,30,0.3);
}
.hero__lede {
  font-family: var(--font-editorial);
  font-size: clamp(1.12rem, 1.6vw, 1.4rem);
  max-width: 56ch;
  color: rgba(253, 250, 245, 0.95);
  margin-bottom: var(--space-6);
  font-style: italic;
}
.hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3) var(--space-6);
  font-family: var(--font-ui);
  font-size: 0.86rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(253,250,245,0.85);
  margin-bottom: var(--space-6);
}
.hero__meta span:not(:last-child)::after {
  content: "·";
  margin-left: var(--space-6);
  color: var(--vi-gold);
}

/* Page hero (interior) */
.page-hero {
  background: var(--vi-vineyard-navy);
  color: var(--vi-warm-white);
  padding: var(--space-8) 0 var(--space-7);
  border-bottom: 3px solid var(--vi-gold);
}
.page-hero h1 {
  color: var(--vi-warm-white);
  margin-bottom: var(--space-3);
}
.page-hero .eyebrow { color: var(--vi-gold); }
.page-hero p { color: rgba(253,250,245,0.92); max-width: 64ch; }

/* Editorial section header — used everywhere (sage-class consistency) */
.section-head {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
  margin-bottom: var(--space-7);
  max-width: 56ch;
}
.section-head .eyebrow { margin-bottom: 4px; }
.section-head h2 { margin: 0; }
.section-head p { color: var(--vi-charcoal-soft); margin-top: var(--space-2); }

/* Cards (honoree, sponsor, program) */
.card {
  background: var(--vi-warm-white);
  border: 1px solid var(--vi-rule);
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  transition: transform var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out), border-color var(--dur-base) var(--ease-out);
}
.card:hover {
  transform: translateY(-3px);
  border-color: var(--vi-gold);
  box-shadow: 0 12px 32px -16px rgba(26,43,74,0.18);
}

/* Footer */
.site-footer {
  background: var(--vi-vineyard-navy);
  color: rgba(253,250,245,0.86);
  padding: var(--space-8) 0 var(--space-6);
  margin-top: var(--space-8);
  font-family: var(--font-ui);
  font-size: 0.9rem;
}
.site-footer h6 {
  color: var(--vi-warm-white);
  font-family: var(--font-display);
  font-size: 1rem;
  margin-bottom: var(--space-3);
  letter-spacing: 0.04em;
}
.site-footer a { color: rgba(253,250,245,0.78); text-decoration: none; }
.site-footer a:hover { color: var(--vi-gold); }
.site-footer__cols {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-6);
}
@media (max-width: 900px) { .site-footer__cols { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .site-footer__cols { grid-template-columns: 1fr; } }
.site-footer__credit {
  margin-top: var(--space-7);
  padding-top: var(--space-5);
  border-top: 1px solid rgba(253,250,245,0.18);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-3);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: rgba(253,250,245,0.6);
}
.site-footer__credit em { font-style: italic; color: var(--vi-gold); }

/* Reveal-on-scroll — no-flash pattern. Without JS, content is fully visible.
   With JS, the .js class on <html> activates the entrance animation, and the
   IntersectionObserver toggles .is-visible to play it. */
.reveal { opacity: 1; transform: none; }
.js .reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity var(--dur-slow) var(--ease-out), transform var(--dur-slow) var(--ease-out);
}
.js .reveal.is-visible {
  opacity: 1;
  transform: none;
}
@media (prefers-reduced-motion: reduce) {
  .js .reveal { opacity: 1; transform: none; transition: none; }
}