/* ==========================================================================
   Andalusia Dynamics — Design tokens
   Palette and marks are pulled directly from the existing brand lockup
   (logos/andalusia-dynamics-*.svg): ink navy + signature gold arch mark.
   Display: Fraunces (crafted serif, does the emotional work)
   Body/UI:  Jost (geometric sans, kin to the wordmark's Century Gothic)
   Utility:  IBM Plex Mono (eyebrows, labels, meta)
   ========================================================================== */

:root {
  --ink: #0a0f1e;
  --ink-soft: #141b30;
  --gold: #c9a84c;
  --gold-deep: #796027;
  --paper: #ffffff;
  --sand: #efe9dc;
  --stone: #696457;
  --stone-on-ink: #a9a496;

  --font-display: "Fraunces", ui-serif, Georgia, serif;
  --font-body: "Jost", "Century Gothic", "Gill Sans", ui-sans-serif, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", monospace;

  --container: 1180px;
  --gutter: clamp(1.25rem, 4vw, 3rem);
  --radius: 4px;

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

/* ---- Reset & base ---- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { font-family: var(--font-display); font-weight: 600; line-height: 1.08; margin: 0; letter-spacing: -0.01em; }

p { margin: 0; }

a { color: inherit; text-decoration: none; }

img, svg { display: block; max-width: 100%; }

:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

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

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold-deep);
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
}
.band--ink .eyebrow,
.band--ink .eyebrow { color: var(--gold); }

.eyebrow::before {
  content: "";
  width: 1.4em;
  height: 1px;
  background: currentColor;
  opacity: 0.7;
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.55em;
  font-family: var(--font-body);
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  padding: 0.85em 1.5em;
  border-radius: var(--radius);
  border: 1px solid transparent;
  transition: transform 0.25s var(--ease), background-color 0.25s var(--ease), color 0.25s var(--ease), border-color 0.25s var(--ease);
  cursor: pointer;
}
.btn:hover { transform: translateY(-1px); }

.btn--gold {
  background: var(--gold);
  color: var(--ink);
}
.btn--gold:hover { background: var(--paper); }

.btn--ghost {
  border-color: currentColor;
  color: inherit;
  background: transparent;
}
.btn--ghost:hover { border-color: var(--gold); color: var(--gold); }

.btn__arrow { transition: transform 0.25s var(--ease); }
.btn:hover .btn__arrow { transform: translateX(3px); }

/* ---- Header ---- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--ink);
  border-bottom: 1px solid color-mix(in srgb, var(--paper) 14%, transparent);
  transition: border-color 0.3s var(--ease), background-color 0.3s var(--ease);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 0.9rem;
}

.site-header__logo img { height: clamp(64px, 5.5vw, 104px); width: auto; }

.site-nav { display: flex; align-items: center; gap: clamp(1rem, 3vw, 2.25rem); }
.site-nav a {
  font-size: 0.92rem;
  color: var(--paper);
  position: relative;
  padding-block: 0.2rem;
  white-space: nowrap;
}
.site-nav a::after {
  content: "";
  position: absolute;
  left: 0; right: 100%;
  bottom: -2px;
  height: 1px;
  background: var(--gold);
  transition: right 0.3s var(--ease);
}
.site-nav a:hover::after { right: 0; }
.site-nav .btn { font-size: 0.85rem; padding: 0.6em 1.1em; white-space: nowrap; }

@media (max-width: 480px) {
  .site-header__logo img { height: 50px; }
  .site-nav { gap: 0.85rem; }
  .site-nav a { font-size: 0.8rem; }
  .site-nav .btn { font-size: 0.76rem; padding: 0.5em 0.8em; }
}

/* ---- Sections / bands ---- */
.band { position: relative; padding-block: clamp(4.5rem, 10vw, 8rem); overflow: clip; }
.band--paper { background: var(--paper); color: var(--ink); }
.band--sand { background: var(--sand); color: var(--ink); }
.band--ink { background: var(--ink); color: var(--paper); }

.band__head { max-width: 46rem; margin-bottom: clamp(2.5rem, 6vw, 4rem); }
.band__head:last-child { margin-bottom: 0; }
.band__head h2 { font-size: clamp(1.9rem, 3.4vw, 2.75rem); margin-top: 0.6rem; }
.band__head p { margin-top: 1.1rem; color: var(--stone); max-width: 38rem; }
.band--ink .band__head p { color: var(--stone-on-ink); }

/* ---- Hero ---- */
.hero { padding-top: clamp(5rem, 12vw, 9rem); padding-bottom: clamp(5rem, 12vw, 8rem); }
.hero__inner { position: relative; max-width: 42rem; }
.hero h1 {
  font-size: clamp(2.6rem, 6vw, 4.6rem);
  margin-top: 0.9rem;
}
.hero h1 em {
  font-style: normal;
  color: var(--gold-deep);
}
.hero p.hero__sub {
  margin-top: 1.5rem;
  font-size: 1.15rem;
  color: var(--stone);
  max-width: 34rem;
}
.hero__actions { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 2.5rem; }

.hero__arch {
  position: absolute;
  bottom: -12%;
  right: -3%;
  width: clamp(260px, 30vw, 460px);
  height: auto;
  opacity: 0.16;
  pointer-events: none;
  z-index: 0;
}
@media (max-width: 900px) {
  .hero__arch { right: -12%; bottom: -8%; width: 60vw; opacity: 0.12; }
}

/* ---- Colonnade (signature: one arch per capability) ---- */
.colonnade {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.25rem, 2.5vw, 2rem);
}
@media (max-width: 900px) {
  .colonnade { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .colonnade { grid-template-columns: 1fr; max-width: 30rem; }
}

.arch-card {
  position: relative;
  padding: 2.2rem 1.6rem 2rem;
  background: var(--paper);
  border: 1px solid color-mix(in srgb, var(--ink) 10%, transparent);
  border-top: none;
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease), border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
/* Cards are visible by default (no-JS / JS-failure safe). Only the
   confirmed-JS ancestor class arms the pre-reveal hidden state, which
   script.js then flips via IntersectionObserver as each card scrolls in. */
html.js .arch-card { opacity: 0; transform: translateY(18px); }
html.js .arch-card.is-visible { opacity: 1; transform: translateY(0); }
.arch-card:hover { border-color: color-mix(in srgb, var(--gold) 60%, transparent); box-shadow: 0 18px 40px -28px color-mix(in srgb, var(--ink) 70%, transparent); }

.arch-card__frame { width: 64px; height: auto; margin-bottom: 1.4rem; color: var(--stone); transition: color 0.3s var(--ease); }
.arch-card:hover .arch-card__frame { color: var(--gold); }

.arch-card h3 { font-size: 1.3rem; }
.arch-card__role {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold-deep);
  margin-top: 0.5rem;
}
.arch-card p.arch-card__desc { margin-top: 1rem; color: var(--stone); font-size: 1rem; }

.arch-card__badges { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 1.1rem; }
.badge {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  color: var(--stone);
  border: 1px solid color-mix(in srgb, var(--ink) 18%, transparent);
  border-radius: 3px;
  padding: 0.3em 0.65em;
  transition: border-color 0.3s var(--ease), color 0.3s var(--ease);
}
.arch-card:hover .badge { border-color: color-mix(in srgb, var(--gold) 50%, transparent); color: var(--ink); }

/* ---- Contact ---- */
.contact__inner { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 2.5rem; }
.contact__cta h2 { font-size: clamp(2rem, 4vw, 3rem); }
.contact__cta p { margin-top: 1rem; color: var(--stone-on-ink); max-width: 30rem; }
.contact__email {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.4vw, 1.9rem);
}

/* ---- Footer ---- */
.site-footer {
  background: var(--ink);
  color: var(--stone-on-ink);
  border-top: 1px solid color-mix(in srgb, var(--paper) 12%, transparent);
  padding-block: 2.5rem;
}
.site-footer__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  font-size: 0.85rem;
}
.site-footer__logo img { height: clamp(36px, 3vw, 56px); width: auto; }
.site-footer__nav { display: flex; flex-wrap: wrap; gap: 1.5em; }
.site-footer__nav a:hover { color: var(--gold); }

/* ---- Legal / prose pages ---- */
.legal { padding-top: clamp(6rem, 12vw, 9rem); }
.legal__inner { max-width: 42rem; }
.legal h1 { font-size: clamp(2rem, 4vw, 2.75rem); margin-top: 0.6rem; }
.legal__updated { margin-top: 0.75rem; font-family: var(--font-mono); font-size: 0.8rem; color: var(--stone); }
.legal > .legal__inner > p { margin-top: 1.75rem; color: var(--stone); }
.legal h2 { font-size: 1.4rem; margin-top: 2.75rem; }
.legal > .legal__inner > h2 + p { margin-top: 1rem; }
.legal code { font-family: var(--font-mono); font-size: 0.88em; background: var(--sand); padding: 0.15em 0.4em; border-radius: 3px; }
.legal__list { margin-top: 1rem; padding-left: 1.2em; color: var(--stone); }
.legal__list li { margin-top: 0.6rem; }
.legal__list li:first-child { margin-top: 0; }
.legal__list strong { color: var(--ink); }
.legal a { text-decoration: underline; text-decoration-color: color-mix(in srgb, var(--gold-deep) 60%, transparent); text-underline-offset: 0.15em; }
.legal a:hover { color: var(--gold-deep); }

/* ---- Scroll reveal (generic, opt-in via data-reveal; JS-gated like .arch-card) ---- */
[data-reveal] { transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
html.js [data-reveal] { opacity: 0; transform: translateY(16px); }
html.js [data-reveal].is-visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  [data-reveal], .arch-card { opacity: 1 !important; transform: none !important; }
}