/* =========================================================
   Cascade Alliance — Corporate Site
   Editorial / premium aesthetic. Ivory + ink, Fraunces + Inter.
   ========================================================= */

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }
ul { list-style: none; }

/* ---------- Tokens ---------- */
:root {
  --bg:        #F6F2E9;   /* warm ivory            */
  --bg-2:      #EFEADD;   /* deeper ivory band     */
  --ink:       #1A1813;   /* near-black, warm      */
  --ink-soft:  #5A554A;   /* muted body            */
  --ink-faint: #908A7C;   /* captions              */
  --line:      #D9D2C2;   /* hairline              */
  --accent:    #8A6A3E;   /* restrained bronze     */
  --paper:     #FBF9F3;   /* card / raised paper   */

  --maxw: 1200px;
  --gutter: clamp(1.25rem, 5vw, 4rem);
  --section-y: clamp(4.5rem, 11vw, 10rem);

  --serif: "Fraunces", Georgia, "Times New Roman", serif;
  --sans:  "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ---------- Base ---------- */
body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.65;
  font-size: clamp(1rem, 0.96rem + 0.2vw, 1.0625rem);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

.container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); }

/* ---------- Typography ---------- */
h1, h2, h3 { font-family: var(--serif); font-weight: 400; line-height: 1.06; letter-spacing: -0.015em; color: var(--ink); }
.display {
  font-family: var(--serif);
  font-weight: 380;
  font-size: clamp(2.7rem, 1.6rem + 5.4vw, 6rem);
  line-height: 1.02;
  letter-spacing: -0.025em;
}
.display em { font-style: italic; }
.h-section { font-size: clamp(1.9rem, 1.2rem + 2.6vw, 3.25rem); }
.lede {
  font-size: clamp(1.15rem, 1.05rem + 0.7vw, 1.5rem);
  line-height: 1.5;
  color: var(--ink-soft);
  font-weight: 400;
  max-width: 34ch;
}
p { color: var(--ink-soft); }
.measure { max-width: 62ch; }

.eyebrow {
  font-family: var(--sans);
  font-size: 0.72rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--ink-faint);
}
.eyebrow.accent { color: var(--accent); }

.rule { height: 1px; background: var(--line); border: 0; }

/* ---------- Links ---------- */
.link {
  position: relative;
  display: inline-block;
  color: var(--ink);
  padding-bottom: 2px;
}
.link::after {
  content: ""; position: absolute; left: 0; bottom: 0;
  width: 100%; height: 1px; background: currentColor;
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.45s var(--ease);
}
.link:hover::after { transform: scaleX(1); }

.btn {
  display: inline-flex; align-items: center; gap: 0.6em;
  font-family: var(--sans); font-size: 0.9rem; font-weight: 500;
  letter-spacing: 0.02em;
  padding: 0.9em 1.7em;
  border: 1px solid var(--ink);
  border-radius: 999px;
  color: var(--ink); background: transparent;
  transition: background 0.4s var(--ease), color 0.4s var(--ease);
}
.btn:hover { background: var(--ink); color: var(--bg); }
.btn .arrow { transition: transform 0.4s var(--ease); }
.btn:hover .arrow { transform: translateX(4px); }

/* ---------- Header / Nav ---------- */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  transition: background 0.4s var(--ease), border-color 0.4s var(--ease);
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: saturate(140%) blur(10px);
  border-bottom-color: var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 76px; }
.wordmark {
  font-family: var(--serif); font-weight: 450;
  font-size: 1.32rem; letter-spacing: 0.005em; color: var(--ink);
}
.nav-links { display: flex; gap: clamp(1.5rem, 3vw, 2.75rem); align-items: center; }
.nav-links a {
  font-size: 0.9rem; font-weight: 450; color: var(--ink);
  position: relative; padding: 4px 0;
}
.nav-links a::after {
  content: ""; position: absolute; left: 0; bottom: 0; width: 100%; height: 1px;
  background: var(--ink); transform: scaleX(0); transform-origin: left;
  transition: transform 0.4s var(--ease);
}
.nav-links a:hover::after, .nav-links a.current::after { transform: scaleX(1); }
.nav-links a.current { color: var(--ink); }

.nav-toggle { display: none; width: 30px; height: 22px; position: relative; z-index: 110; }
.nav-toggle span {
  position: absolute; left: 0; width: 100%; height: 1.5px; background: var(--ink);
  transition: transform 0.4s var(--ease), opacity 0.3s var(--ease);
}
.nav-toggle span:nth-child(1) { top: 4px; }
.nav-toggle span:nth-child(2) { bottom: 4px; }

/* ---------- Hero ---------- */
.hero { padding-top: clamp(9rem, 18vh, 13rem); padding-bottom: var(--section-y); }
.hero .eyebrow { margin-bottom: 1.75rem; }
.hero .display { max-width: 16ch; margin-bottom: 2.25rem; }
.hero-sub { display: flex; gap: 2.5rem; flex-wrap: wrap; align-items: flex-end; }
.hero-sub .lede { flex: 1 1 22rem; }
.hero-meta { color: var(--ink-faint); font-size: 0.85rem; letter-spacing: 0.04em; }
.hero-meta span { display: block; }

/* ---------- Generic section ---------- */
.section { padding-block: var(--section-y); }
.section--band { background: var(--bg-2); }
.section-head { display: grid; grid-template-columns: 1fr; gap: 1rem; margin-bottom: clamp(2.5rem, 5vw, 4.5rem); }
.section-head .eyebrow { margin-bottom: 0.25rem; }

/* Statement / intro */
.statement .big {
  font-family: var(--serif); font-weight: 360;
  font-size: clamp(1.6rem, 1.1rem + 2vw, 2.9rem);
  line-height: 1.22; letter-spacing: -0.012em; color: var(--ink);
  max-width: 24ch;
}
.statement .big .soft { color: var(--ink-faint); }

/* ---------- Ventures list ---------- */
.ventures { border-top: 1px solid var(--line); }
.venture {
  display: grid;
  grid-template-columns: 4.5rem minmax(0, 1fr) minmax(0, 1.1fr);
  gap: clamp(1rem, 4vw, 3rem);
  align-items: baseline;
  padding-block: clamp(1.75rem, 3.5vw, 2.75rem);
  border-bottom: 1px solid var(--line);
  transition: padding-left 0.5s var(--ease);
}
.venture:hover { padding-left: clamp(0.25rem, 1.5vw, 1.25rem); }
.venture-num { font-family: var(--serif); font-size: 1.05rem; color: var(--accent); }
.venture-name { font-family: var(--serif); font-size: clamp(1.5rem, 1.1rem + 1.6vw, 2.35rem); font-weight: 400; letter-spacing: -0.02em; }
.venture-desc { color: var(--ink-soft); font-size: 1.02rem; line-height: 1.55; }

/* ---------- Work / apps ---------- */
.work-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.work-card { background: var(--paper); padding: clamp(1.5rem, 3vw, 2.25rem); display: flex; flex-direction: column; gap: 0.6rem; min-height: 180px; transition: background 0.4s var(--ease); }
.work-card:hover { background: var(--bg); }
.work-card .k { font-family: var(--serif); font-size: 1.35rem; }
.work-card .t { font-size: 0.78rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-faint); }
.work-card .d { color: var(--ink-soft); font-size: 0.96rem; margin-top: auto; }
.work-card .store { font-size: 0.82rem; color: var(--accent); margin-top: 0.4rem; }

/* ---------- Values (about) ---------- */
.values { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: clamp(1.5rem, 4vw, 3.5rem); }
.value h3 { font-size: 1.4rem; margin-bottom: 0.6rem; }
.value p { font-size: 0.98rem; }
.value .num { font-family: var(--serif); color: var(--accent); font-size: 0.95rem; display: block; margin-bottom: 0.9rem; }

/* ---------- Two-column prose ---------- */
.split { display: grid; grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr); gap: clamp(2rem, 6vw, 6rem); align-items: start; }
.split .body p + p { margin-top: 1.25rem; }

/* ---------- Company info table ---------- */
.info-table { border-top: 1px solid var(--line); }
.info-row { display: grid; grid-template-columns: minmax(8rem, 0.4fr) minmax(0, 1fr); gap: 1.5rem; padding-block: 1.25rem; border-bottom: 1px solid var(--line); }
.info-row dt { font-size: 0.8rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-faint); padding-top: 0.2rem; }
.info-row dd { font-size: 1.05rem; color: var(--ink); }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(2rem, 6vw, 5rem); align-items: start; }
.contact-big { font-family: var(--serif); font-size: clamp(1.6rem, 1.1rem + 2vw, 2.6rem); line-height: 1.2; letter-spacing: -0.015em; }
.contact-list { display: grid; gap: 1.75rem; }
.contact-item .eyebrow { margin-bottom: 0.4rem; }
.contact-item a, .contact-item p { font-size: 1.12rem; color: var(--ink); }

/* ---------- CTA band ---------- */
.cta { background: var(--ink); color: var(--bg); padding-block: clamp(4rem, 9vw, 8rem); }
.cta h2 { color: var(--bg); max-width: 18ch; margin-bottom: 2rem; }
.cta .btn { border-color: var(--bg); color: var(--bg); }
.cta .btn:hover { background: var(--bg); color: var(--ink); }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--line); padding-top: clamp(3.5rem, 7vw, 6rem); padding-bottom: 2.5rem; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 0.8fr 1fr; gap: clamp(2rem, 5vw, 4rem); padding-bottom: clamp(3rem, 6vw, 5rem); }
.footer-brand .wordmark { display: block; margin-bottom: 1rem; }
.footer-tag { max-width: 30ch; color: var(--ink-soft); font-size: 0.96rem; }
.footer-nav { display: grid; gap: 0.7rem; align-content: start; }
.footer-nav a { font-size: 0.95rem; }
.footer-contact a { font-size: 1.02rem; }
.footer-legal { border-top: 1px solid var(--line); padding-top: 2rem; display: flex; justify-content: space-between; gap: 1.5rem; flex-wrap: wrap; }
.footer-legal p { font-size: 0.82rem; color: var(--ink-faint); letter-spacing: 0.01em; }

/* ---------- Reveal animation ---------- */
[data-reveal] { opacity: 0; transform: translateY(20px); transition: opacity 0.9s var(--ease), transform 0.9s var(--ease); }
[data-reveal].is-visible { opacity: 1; transform: none; }
[data-reveal][data-delay="1"] { transition-delay: 0.08s; }
[data-reveal][data-delay="2"] { transition-delay: 0.16s; }
[data-reveal][data-delay="3"] { transition-delay: 0.24s; }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .nav-toggle { display: block; }
  .nav-links {
    position: fixed; inset: 0; background: var(--bg);
    flex-direction: column; justify-content: center; align-items: flex-start;
    gap: 1.5rem; padding: var(--gutter);
    transform: translateX(100%); transition: transform 0.5s var(--ease);
  }
  .nav-links a { font-size: 1.6rem; font-family: var(--serif); }
  .nav-links a::after { display: none; }
  body.nav-open .nav-links { transform: translateX(0); }
  body.nav-open { overflow: hidden; }
  body.nav-open .nav-toggle span:nth-child(1) { top: 10px; transform: rotate(45deg); }
  body.nav-open .nav-toggle span:nth-child(2) { bottom: 10px; transform: rotate(-45deg); }

  .venture { grid-template-columns: 3rem 1fr; }
  .venture-desc { grid-column: 2; }
  .split, .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .info-row { grid-template-columns: 1fr; gap: 0.4rem; }
}

@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; }
  [data-reveal] { opacity: 1 !important; transform: none !important; transition: none !important; }
  .venture, .btn, .link::after { transition: none !important; }
}