/* =========================================================================
   Cosantio — holding page
   Art direction: authoritative European, Irish-Italianate, regulatory-trust.
   Editorial serif wordmark + restrained sans body. Deep ink + warm cream +
   a single brass accent. No gradients. No glow. No noise.
   ========================================================================= */

:root {
  /* Color */
  --color-ink: #0e1b2c;       /* deep navy — primary surface */
  --color-ink-soft: #1a2a3f;
  --color-cream: #f4ecda;     /* warm parchment */
  --color-cream-soft: #ebe1c9;
  --color-text: #f4ecda;
  --color-text-mute: rgba(244, 236, 218, 0.66);
  --color-text-quiet: rgba(244, 236, 218, 0.42);
  --color-rule: rgba(244, 236, 218, 0.14);
  --color-accent: #c8a86b;    /* brass */
  --color-accent-strong: #d6b87a;

  /* Type */
  --font-display: 'Boska', 'Instrument Serif', 'Georgia', serif;
  --font-body: 'Satoshi', 'Inter', system-ui, -apple-system, sans-serif;

  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: clamp(1.5rem, 2.4vw, 2rem);
  --text-2xl: clamp(2rem, 4vw, 3.25rem);
  --text-hero: clamp(2.6rem, 6.4vw, 5.5rem);

  /* Space */
  --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;

  /* Frame */
  --container: 1120px;
  --gutter: clamp(1.5rem, 4vw, 2.5rem);
  --radius-sm: 4px;
  --radius-md: 8px;
}

/* ----- Reset / base ----------------------------------------------------- */

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.55;
  color: var(--color-text);
  background: var(--color-ink);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; }
button, input { font: inherit; color: inherit; }
a { color: inherit; text-decoration: none; }
em { font-style: italic; }

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

.skip-link {
  position: absolute;
  top: -40px; left: var(--gutter);
  background: var(--color-cream);
  color: var(--color-ink);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-sm);
  z-index: 100;
  transition: top 0.2s;
}
.skip-link:focus { top: var(--space-4); }

/* Subtle parchment grain overlay — restraint, not texture noise */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    radial-gradient(ellipse at 18% 10%, rgba(200, 168, 107, 0.08) 0%, transparent 55%),
    radial-gradient(ellipse at 82% 88%, rgba(200, 168, 107, 0.05) 0%, transparent 50%);
  z-index: 0;
}

main, header, footer { position: relative; z-index: 1; }

/* ----- Header ----------------------------------------------------------- */

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container);
  margin: 0 auto;
  padding: var(--space-6) var(--gutter);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-cream);
}

.brand__mark {
  width: 28px;
  height: 28px;
  color: var(--color-accent);
}

.brand__word {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 500;
  letter-spacing: 0.005em;
}

.site-nav .nav-cta {
  font-size: var(--text-sm);
  color: var(--color-text-mute);
  padding: var(--space-2) 0;
  border-bottom: 1px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}
.site-nav .nav-cta:hover,
.site-nav .nav-cta:focus-visible {
  color: var(--color-cream);
  border-bottom-color: var(--color-accent);
  outline: none;
}

/* ----- Hero ------------------------------------------------------------- */

.hero {
  max-width: var(--container);
  margin: 0 auto;
  padding: clamp(var(--space-16), 10vw, var(--space-32)) var(--gutter)
           clamp(var(--space-12), 8vw, var(--space-24));
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--color-text-mute);
  margin: 0 0 var(--space-8);
  padding: var(--space-2) var(--space-4);
  border: 1px solid var(--color-rule);
  border-radius: 999px;
}
.eyebrow__dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(200, 168, 107, 0.18);
}

.hero__title {
  font-family: var(--font-display);
  font-size: var(--text-hero);
  font-weight: 500;
  line-height: 1.02;
  letter-spacing: -0.01em;
  margin: 0 0 var(--space-8);
  color: var(--color-cream);
  max-width: 18ch;
}
.hero__title em {
  font-style: italic;
  color: var(--color-accent-strong);
  font-family: 'Instrument Serif', var(--font-display), serif;
  font-weight: 400;
}

.hero__lede {
  font-size: var(--text-lg);
  line-height: 1.55;
  color: var(--color-text-mute);
  max-width: 56ch;
  margin: 0 0 var(--space-12);
}

/* ----- Waitlist form ---------------------------------------------------- */

.hero__waitlist { max-width: 520px; }

.waitlist-form {
  display: flex;
  align-items: stretch;
  gap: var(--space-2);
  background: rgba(244, 236, 218, 0.06);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-md);
  padding: var(--space-2);
  transition: border-color 0.2s, background 0.2s;
}
.waitlist-form:focus-within {
  border-color: var(--color-accent);
  background: rgba(244, 236, 218, 0.09);
}

.waitlist-form input[type="email"] {
  flex: 1;
  min-width: 0;
  background: transparent;
  border: 0;
  outline: 0;
  padding: var(--space-3) var(--space-4);
  color: var(--color-cream);
  font-size: var(--text-base);
  letter-spacing: 0.005em;
}
.waitlist-form input::placeholder {
  color: var(--color-text-quiet);
}

.waitlist-form button {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--color-accent);
  color: var(--color-ink);
  border: 0;
  border-radius: var(--radius-sm);
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s;
  white-space: nowrap;
}
.waitlist-form button:hover {
  background: var(--color-accent-strong);
}
.waitlist-form button:active {
  transform: translateY(1px);
}
.waitlist-form button:focus-visible {
  outline: 2px solid var(--color-cream);
  outline-offset: 3px;
}

.waitlist-form__help {
  font-size: var(--text-xs);
  color: var(--color-text-quiet);
  margin: var(--space-3) var(--space-2) 0;
}

.waitlist-form__success {
  margin-top: var(--space-4);
  padding: var(--space-4) var(--space-4);
  background: rgba(200, 168, 107, 0.10);
  border: 1px solid rgba(200, 168, 107, 0.35);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  color: var(--color-cream);
}
.waitlist-form__success span {
  color: var(--color-accent);
  font-weight: 700;
  margin-right: var(--space-2);
}

@media (max-width: 540px) {
  .waitlist-form { flex-direction: column; }
  .waitlist-form button { justify-content: center; padding: var(--space-4); }
}

/* ----- Pillars ---------------------------------------------------------- */

.pillars {
  max-width: var(--container);
  margin: 0 auto;
  padding: clamp(var(--space-12), 6vw, var(--space-24)) var(--gutter);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(var(--space-8), 3vw, var(--space-12));
  border-top: 1px solid var(--color-rule);
  border-bottom: 1px solid var(--color-rule);
}

@media (max-width: 820px) {
  .pillars { grid-template-columns: 1fr; gap: var(--space-12); }
}

.pillar {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.pillar__index {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  letter-spacing: 0.18em;
  color: var(--color-accent);
}

.pillar h2 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 500;
  line-height: 1.15;
  color: var(--color-cream);
  margin: 0;
  letter-spacing: -0.005em;
}

.pillar p {
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-text-mute);
  margin: 0;
  max-width: 32ch;
}

/* ----- Provenance ------------------------------------------------------- */

.provenance {
  max-width: var(--container);
  margin: 0 auto;
  padding: clamp(var(--space-16), 8vw, var(--space-24)) var(--gutter);
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: clamp(var(--space-8), 4vw, var(--space-16));
  align-items: start;
}

@media (max-width: 820px) {
  .provenance { grid-template-columns: 1fr; gap: var(--space-6); }
}

.provenance__label {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--color-accent);
  margin: 0;
  padding-top: 0.35em;
}

.provenance__body {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 2.2vw, 1.6rem);
  line-height: 1.45;
  color: var(--color-cream);
  font-weight: 400;
  margin: 0;
  max-width: 56ch;
}
.provenance__body em {
  font-style: italic;
  color: var(--color-accent-strong);
}

/* ----- Footer ----------------------------------------------------------- */

.site-footer {
  max-width: var(--container);
  margin: 0 auto;
  padding: var(--space-12) var(--gutter) var(--space-8);
  border-top: 1px solid var(--color-rule);
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.site-footer__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.site-footer__brand {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--color-cream);
}

.site-footer__meta {
  font-size: var(--text-xs);
  color: var(--color-text-mute);
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

.site-footer__row--small {
  font-size: var(--text-xs);
  color: var(--color-text-quiet);
  letter-spacing: 0.04em;
}
.site-footer__row--small a {
  color: var(--color-text-mute);
  border-bottom: 1px solid var(--color-rule);
  transition: color 0.2s, border-color 0.2s;
}
.site-footer__row--small a:hover,
.site-footer__row--small a:focus-visible {
  color: var(--color-cream);
  border-bottom-color: var(--color-accent);
  outline: none;
}

/* ----- Reduced motion --------------------------------------------------- */

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}