/* =========================================================
   C SQUARED — c2build.com
   Shared design system · dark brand world (black / ivory / brass)
   ========================================================= */

:root {
  --bg:        #0b0a08;
  --bg-2:      #0f0d0a;
  --bg-panel:  #131108;
  --bg-raise:  #16130b;
  --ink:       #f0ebdf;
  --ink-soft:  #cbc4b2;
  --ink-mute:  #8f887a;
  --brass:     #c4a15a;
  --brass-dim: #9c8149;
  --line:      rgba(196,161,90,0.26);
  --line-soft: rgba(240,235,223,0.10);
  --shadow:    0 24px 60px -30px rgba(0,0,0,0.9);

  --serif: "Hoefler Text","Big Caslon","Playfair Display",Georgia,"Times New Roman",serif;
  --sans:  "Helvetica Neue","Arial Nova",Arial,system-ui,sans-serif;

  --measure: 62ch;
  --maxw: 1140px;
  --nav-h: 76px;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

a { color: inherit; }
img { max-width: 100%; display: block; }
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 clamp(20px,5vw,40px); }

/* ---------- shared type ---------- */
.eyebrow, .label {
  font-family: var(--sans); font-weight: 600; text-transform: uppercase;
  color: var(--brass); margin: 0;
}
.eyebrow { font-size: 0.72rem; letter-spacing: 0.42em; }
.label   { font-size: 0.68rem; letter-spacing: 0.34em; }
h1,h2,h3 { text-wrap: balance; }
.section-title {
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(1.7rem, 3.6vw, 2.6rem); line-height: 1.08;
  letter-spacing: 0.01em; margin: 0.5rem 0 0; color: var(--ink);
}
p { color: var(--ink-soft); max-width: var(--measure); }
.rule { display: block; width: 66px; height: 2px; background: var(--brass); opacity: 0.9; border: 0; }
.center { text-align: center; }
.center p { margin-left: auto; margin-right: auto; }
.center .rule { margin-left: auto; margin-right: auto; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 0.6em;
  font-family: var(--sans); font-weight: 600; font-size: 0.72rem;
  letter-spacing: 0.22em; text-transform: uppercase; text-decoration: none;
  padding: 15px 30px; border: 1px solid var(--brass); color: var(--brass);
  background: transparent; border-radius: 1px; cursor: pointer;
  transition: background .25s ease, color .25s ease;
}
.btn:hover { background: var(--brass); color: #100d07; }
.btn.solid { background: var(--brass); color: #100d07; }
.btn.solid:hover { background: var(--brass-dim); border-color: var(--brass-dim); }
.btn.ghost { border-color: var(--line); color: var(--ink-soft); }
.btn.ghost:hover { border-color: var(--brass); color: var(--brass); background: transparent; }
.btn-row { display: flex; flex-wrap: wrap; gap: 16px; }

/* ---------- NAV ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  height: var(--nav-h);
  background: rgba(11,10,8,0.82);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line-soft);
}
.nav .wrap { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; }
.brand img { height: 30px; width: auto; }
.brand .bt { font-family: var(--sans); font-weight: 300; letter-spacing: 0.34em; font-size: 0.92rem; color: var(--ink); text-indent: 0.34em; }
.nav-links { display: flex; align-items: center; gap: clamp(14px,2.4vw,32px); }
.nav-links a {
  font-family: var(--sans); font-size: 0.72rem; font-weight: 600;
  letter-spacing: 0.18em; text-transform: uppercase; color: var(--ink-soft);
  text-decoration: none; padding: 6px 0; position: relative; transition: color .2s ease;
}
.nav-links a:hover { color: var(--ink); }
.nav-links a.active { color: var(--brass); }
.nav-links a.active::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -2px; height: 1px; background: var(--brass);
}
.nav-links .btn { padding: 10px 20px; }
.nav-links .nav-cta { color: var(--brass); }

@media (max-width: 720px) {
  .brand .bt { display: none; }
  .nav-links { gap: 14px; }
  .nav-links .txt-hide { display: none; }
  .nav-links a { font-size: 0.66rem; letter-spacing: 0.12em; }
  .nav-links .btn { padding: 9px 14px; }
}

/* ---------- HERO ---------- */
.hero {
  text-align: center;
  padding: clamp(60px,10vw,120px) 0 clamp(48px,7vw,84px);
  border-bottom: 1px solid var(--line-soft);
  background:
    radial-gradient(120% 90% at 50% -10%, rgba(196,161,90,0.10), transparent 55%),
    var(--bg);
}
.hero .kicker { font-size: 0.7rem; letter-spacing: 0.4em; text-transform: uppercase; color: var(--ink-mute); margin: 0 0 clamp(26px,5vw,40px); }
.hero-mark { height: clamp(96px,16vw,168px); width: auto; margin: 0 auto; }
.wordmark {
  font-family: var(--sans); font-weight: 300;
  font-size: clamp(1.8rem, 5vw, 3.1rem); letter-spacing: 0.36em; text-indent: 0.36em;
  margin: clamp(20px,3vw,30px) 0 14px;
}
.disciplines {
  font-size: clamp(0.68rem, 1.9vw, 0.84rem); font-weight: 600;
  letter-spacing: 0.3em; text-transform: uppercase; color: var(--brass); margin: 0 0 clamp(20px,4vw,28px);
}
.disciplines span { color: var(--line); margin: 0 0.5em; font-weight: 400; }
.promise { font-family: var(--sans); font-size: 0.82rem; letter-spacing: 0.34em; text-transform: uppercase; color: var(--ink-soft); margin: clamp(20px,4vw,28px) auto 0; max-width: none; text-indent: 0.34em; }
.hero .btn-row { justify-content: center; margin-top: clamp(30px,5vw,40px); }

/* page header (interior pages) */
.page-head { padding: clamp(56px,8vw,104px) 0 clamp(30px,5vw,52px); text-align: center; border-bottom: 1px solid var(--line-soft);
  background: radial-gradient(120% 80% at 50% -20%, rgba(196,161,90,0.08), transparent 60%), var(--bg); }
.page-head h1 { font-family: var(--serif); font-weight: 400; font-size: clamp(2.1rem,5vw,3.4rem); line-height: 1.06; margin: 12px 0 0; }
.page-head p { margin: 18px auto 0; }

/* ---------- METRIC BAND ---------- */
.metrics { display: grid; grid-template-columns: repeat(4, 1fr); border-bottom: 1px solid var(--line-soft); }
.metric { padding: clamp(28px,4vw,40px) 20px; text-align: center; border-left: 1px solid var(--line-soft); }
.metric:first-child { border-left: 0; }
.metric .val { font-family: var(--serif); font-weight: 400; font-size: clamp(1.9rem, 4.4vw, 2.9rem); color: var(--brass); line-height: 1; font-variant-numeric: tabular-nums; }
.metric .cap { font-size: 0.64rem; letter-spacing: 0.22em; text-transform: uppercase; color: var(--ink-mute); margin-top: 12px; }

/* ---------- SECTIONS ---------- */
section { padding: clamp(52px, 7vw, 92px) 0; border-bottom: 1px solid var(--line-soft); }
section.alt { background: var(--bg-2); }
.lede { font-family: var(--serif); font-weight: 400; font-size: clamp(1.5rem, 3.2vw, 2.2rem); line-height: 1.28; color: var(--ink); max-width: 26ch; margin: 0 auto; text-align: center; }
.two-col { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: clamp(28px,5vw,64px); align-items: start; }
.two-col .body p + p { margin-top: 1.1em; }
.strong-ink { color: var(--ink); font-weight: 600; }

/* pillars */
.pillars { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(24px,4vw,44px); margin-top: clamp(36px,5vw,52px); }
.pillar .icon { color: var(--brass); height: 46px; display: block; margin-bottom: 20px; }
.pillar h3 { font-family: var(--sans); font-weight: 600; font-size: 0.82rem; letter-spacing: 0.24em; text-transform: uppercase; color: var(--ink); margin: 0 0 12px; }
.pillar p { font-size: 0.95rem; margin: 0; }

/* edge grid */
.edge-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: clamp(20px,3vw,36px) clamp(32px,5vw,56px); margin-top: clamp(32px,4vw,44px); }
.edge { border-top: 1px solid var(--line); padding-top: 18px; }
.edge h4 { font-family: var(--serif); font-weight: 400; font-size: 1.2rem; color: var(--ink); margin: 0 0 8px; }
.edge p { font-size: 0.92rem; margin: 0; }

/* the name story */
.name-block { display: grid; grid-template-columns: 150px 1fr; gap: clamp(28px,5vw,56px); align-items: start; }
.name-block .nm { width: 120px; height: auto; }
.name-block .body p + p { margin-top: 1.1em; }

/* team */
.team { display: grid; grid-template-columns: repeat(2, 1fr); gap: clamp(28px,5vw,56px); margin-top: clamp(32px,4vw,48px); }
.founder { display: flex; gap: 22px; align-items: flex-start; }
.avatar { flex: 0 0 auto; width: 62px; height: 62px; border-radius: 50%; border: 1px solid var(--line); display: grid; place-items: center; font-family: var(--serif); font-size: 1.35rem; color: var(--brass); background: var(--bg-panel); }
.founder h3 { font-family: var(--sans); font-weight: 600; letter-spacing: 0.06em; font-size: 1.05rem; margin: 4px 0 2px; color: var(--ink); }
.founder .role { font-size: 0.66rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--brass); margin-bottom: 10px; }
.founder p { font-size: 0.92rem; margin: 0; }

/* ---------- PORTFOLIO TABLE ---------- */
.table-scroll { overflow-x: auto; margin-top: clamp(30px,4vw,44px); }
table.port { width: 100%; border-collapse: collapse; min-width: 680px; font-variant-numeric: tabular-nums; }
table.port thead th { font-family: var(--sans); font-weight: 600; font-size: 0.62rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--ink-mute); text-align: right; padding: 0 0 14px; border-bottom: 1px solid var(--line); }
table.port thead th:first-child, table.port tbody td:first-child,
table.port thead th:nth-child(2), table.port tbody td:nth-child(2) { text-align: left; }
table.port tbody td { padding: 16px 0; text-align: right; border-bottom: 1px solid var(--line-soft); color: var(--ink-soft); font-size: 0.92rem; }
table.port tbody td:first-child { font-family: var(--serif); font-size: 1.08rem; color: var(--ink); padding-right: 18px; }
table.port tbody td:nth-child(2) { color: var(--ink-mute); font-size: 0.82rem; padding-right: 18px; }
table.port .scope { font-size: 0.82rem; color: var(--ink-mute); }
table.port tfoot td { padding: 18px 0 0; text-align: right; font-family: var(--sans); font-weight: 600; letter-spacing: 0.02em; color: var(--ink); font-size: 0.95rem; }
table.port tfoot td:first-child { text-align: left; font-family: var(--sans); font-size: 0.66rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--brass); }
table.port .num-em { color: var(--brass); }

/* project cards */
.proj-cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: clamp(20px,3vw,28px); margin-top: clamp(36px,5vw,52px); }
.pcard { border: 1px solid var(--line-soft); border-radius: 2px; padding: clamp(24px,3vw,32px); background: var(--bg-panel); transition: border-color .25s ease, transform .25s ease; }
.pcard:hover { border-color: var(--line); transform: translateY(-3px); }
.pcard .ph-row { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }
.pcard h3 { font-family: var(--serif); font-weight: 400; font-size: 1.5rem; margin: 0; color: var(--ink); }
.pcard .loc { font-size: 0.66rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--ink-mute); margin: 6px 0 20px; }
.pcard .scope-line { font-size: 0.9rem; color: var(--ink-soft); margin: 0 0 22px; }
.pcard .stats { display: grid; grid-template-columns: repeat(3,1fr); gap: 14px; border-top: 1px solid var(--line-soft); padding-top: 18px; }
.pcard .stats .s .n { font-family: var(--serif); font-size: 1.25rem; color: var(--brass); font-variant-numeric: tabular-nums; line-height: 1; }
.pcard .stats .s .l { font-size: 0.58rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-mute); margin-top: 7px; }

/* ---------- RAISE PROGRESS ---------- */
.raise-progress { border: 1px solid var(--line); border-radius: 2px; padding: clamp(24px,3vw,36px); background: var(--bg-panel); box-shadow: var(--shadow); }
.rp-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 20px; margin-bottom: 20px; }
.rp-head .label { margin-bottom: 12px; }
.rp-amt { color: var(--ink-soft); font-size: 0.95rem; }
.rp-big { font-family: var(--serif); font-size: clamp(1.9rem,3.6vw,2.5rem); color: var(--brass); font-variant-numeric: tabular-nums; margin-right: 6px; }
.rp-of { color: var(--ink-mute); }
.rp-pct { font-family: var(--serif); font-size: clamp(1.7rem,3vw,2.3rem); color: var(--ink); font-variant-numeric: tabular-nums; line-height: 1; white-space: nowrap; }
.bar { height: 12px; background: rgba(240,235,223,0.06); border: 1px solid var(--line-soft); border-radius: 999px; overflow: hidden; }
.bar > span { display: block; height: 100%; background: linear-gradient(90deg, var(--brass-dim), var(--brass)); border-radius: 999px; }
.rp-foot { display: flex; justify-content: space-between; gap: 16px; margin-top: 15px; font-size: 0.68rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-mute); }
@media (prefers-reduced-motion: no-preference) {
  .bar > span { animation: fill 1.2s cubic-bezier(.2,.7,.2,1) both; }
  @keyframes fill { from { width: 0 !important; } }
}
@media (max-width: 560px) { .rp-head { flex-direction: column; align-items: flex-start; gap: 6px; } }

/* ---------- CASE STUDY (portfolio) ---------- */
.case { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: clamp(28px,4vw,52px); align-items: center; }
.case .body .loc { font-size: 0.66rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--ink-mute); margin: 10px 0 0; }
.case .body h2 { margin-top: 6px; }
.case .body p { margin-top: 16px; }
.case-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px 20px; margin-top: 28px; }
.case-stats .s { border-top: 1px solid var(--line); padding-top: 14px; }
.case-stats .s .n { font-family: var(--serif); font-size: clamp(1.3rem,2.4vw,1.7rem); color: var(--brass); font-variant-numeric: tabular-nums; line-height: 1; }
.case-stats .s.hero-stat .n { color: var(--brass); }
.case-stats .s .l { font-size: 0.58rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-mute); margin-top: 8px; }

.gallery { display: grid; grid-template-columns: 1fr 1fr; grid-auto-rows: 1fr; gap: 12px; }
.gallery .frame:first-child { grid-column: 1 / -1; }
.frame { position: relative; aspect-ratio: 3 / 2; background: var(--bg-panel); border: 1px solid var(--line-soft); border-radius: 2px; overflow: hidden; display: grid; place-items: center; }
.frame img { width: 100%; height: 100%; object-fit: cover; }
.frame .ph-label { font-size: 0.6rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--ink-mute); text-align: center; padding: 10px; }
.frame .ph-label span { display: block; color: var(--brass-dim); font-size: 1.6rem; margin-bottom: 8px; }

.case-note { font-size: 0.72rem; color: var(--ink-mute); margin: 22px 0 0; max-width: 70ch; }

/* ---------- RAISE CARD ---------- */
.raise { background: var(--bg-raise); color: #f0ebdf; border: 1px solid var(--line); border-radius: 2px; padding: clamp(32px,5vw,56px); box-shadow: var(--shadow); }
.raise-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; margin-top: 34px; }
.raise-stat { border-top: 1px solid var(--line); padding-top: 16px; }
.raise-stat .rv { font-family: var(--serif); font-size: clamp(1.5rem,3vw,2rem); color: var(--brass); font-variant-numeric: tabular-nums; line-height: 1.1; }
.raise-stat .rc { font-size: 0.62rem; letter-spacing: 0.2em; text-transform: uppercase; color: #a49b88; margin-top: 8px; }
.use { margin-top: 36px; }
.use .label { display: block; margin-bottom: 16px; }
.use ul { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px 32px; }
.use li { color: #cbc4b2; font-size: 0.92rem; padding-left: 20px; position: relative; }
.use li::before { content: ""; position: absolute; left: 0; top: 0.62em; width: 8px; height: 1px; background: var(--brass); }
.fineprint { font-size: 0.72rem; color: #a49b88; margin: 26px 0 0; letter-spacing: 0.02em; max-width: none; }

/* waterfall steps */
.steps { display: grid; grid-template-columns: repeat(4,1fr); gap: clamp(16px,2vw,22px); margin-top: clamp(32px,4vw,46px); counter-reset: step; }
.step { border-top: 1px solid var(--line); padding-top: 18px; }
.step .k { font-family: var(--serif); font-size: 1.4rem; color: var(--brass); }
.step h4 { font-family: var(--sans); font-weight: 600; font-size: 0.74rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink); margin: 10px 0 8px; }
.step p { font-size: 0.86rem; margin: 0; }

/* CTA band */
.cta-band { text-align: center; background: radial-gradient(120% 120% at 50% 0%, rgba(196,161,90,0.10), transparent 60%), var(--bg-2); }
.cta-band .btn-row { justify-content: center; margin-top: 30px; }

/* ---------- FOOTER ---------- */
footer.site { padding: clamp(44px,6vw,68px) 0 clamp(30px,4vw,44px); text-align: center; border-top: 1px solid var(--line-soft); }
footer.site .fmark { height: 52px; width: auto; margin: 0 auto 4px; }
footer.site .fpromise { font-size: 0.72rem; letter-spacing: 0.3em; text-transform: uppercase; color: var(--ink-mute); margin: 14px 0 20px; }
footer.site .fnav { display: flex; flex-wrap: wrap; gap: 8px 26px; justify-content: center; margin-bottom: 20px; }
footer.site .fnav a { font-size: 0.7rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--ink-soft); text-decoration: none; }
footer.site .fnav a:hover { color: var(--brass); }
footer.site .contact { display: flex; flex-wrap: wrap; gap: 6px 24px; justify-content: center; margin-bottom: 22px; font-size: 0.82rem; letter-spacing: 0.06em; }
footer.site .contact a { color: var(--ink-soft); text-decoration: none; border-bottom: 1px solid var(--line); padding-bottom: 2px; }
footer.site .contact a:hover { color: var(--brass); border-color: var(--brass); }
footer.site .disclaimer { font-size: 0.64rem; line-height: 1.6; color: var(--ink-mute); max-width: 76ch; margin: 0 auto; }

a:focus-visible, .btn:focus-visible { outline: 2px solid var(--brass); outline-offset: 3px; border-radius: 1px; }

/* reveal */
@media (prefers-reduced-motion: no-preference) {
  .reveal { opacity: 0; transform: translateY(14px); animation: rise .8s cubic-bezier(.2,.7,.2,1) forwards; }
  @keyframes rise { to { opacity: 1; transform: none; } }
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 860px) {
  .metrics { grid-template-columns: repeat(2, 1fr); }
  .metric:nth-child(odd) { border-left: 0; }
  .metric:nth-child(3), .metric:nth-child(4) { border-top: 1px solid var(--line-soft); }
  .two-col { grid-template-columns: 1fr; gap: 20px; }
  .pillars, .edge-grid, .team, .use ul, .proj-cards { grid-template-columns: 1fr; }
  .raise-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2,1fr); }
  .name-block { grid-template-columns: 1fr; gap: 24px; }
  .case { grid-template-columns: 1fr; gap: 28px; }
}
@media (max-width: 460px) {
  .raise-grid { grid-template-columns: 1fr; }
  .wordmark { letter-spacing: 0.24em; text-indent: 0.24em; }
  .pcard .stats { grid-template-columns: 1fr 1fr; }
}