/* ============================================================
   Crossteca — style.css  (multi-page editorial site)
   Fraunces (display) · Inter (text) · navy + cobalt on warm paper
   ============================================================ */

:root {
  --ink:#14202f;
  --ink-deep:#0b1220;
  --ink-2:#101c31;
  --ink-soft:#3c4a5c;
  --muted:#69727f;
  --paper:#f7f5f0;
  --surface:#fffefb;
  --surface-2:#f1eee6;
  --line:#e5e1d7;
  --line-strong:#d8d3c6;
  --accent:#3b5bdb;
  --accent-deep:#2f4ac0;
  --accent-tint:#8fa3f0;
  --accent-soft:#eaeefb;
  --on-dark:#eef2f8;
  --on-dark-muted:#aeb9c9;
  --shadow:0 1px 2px rgba(20,32,47,.05), 0 14px 34px -18px rgba(20,32,47,.22);
  --shadow-strong:0 24px 60px -28px rgba(0,0,0,.5);

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

  --container:1120px;
  --radius:14px;
}

*,*::before,*::after { box-sizing:border-box; }
html { scroll-behavior:smooth; }
body {
  margin:0; background:var(--paper); color:var(--ink);
  font-family:var(--font-body); font-size:17px; line-height:1.65;
  -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility;
}
img,svg { display:block; max-width:100%; }

h1,h2,h3 { font-family:var(--font-display); font-weight:560; line-height:1.13;
  letter-spacing:-.01em; margin:0 0 .4em; text-wrap:balance; }
h1 { font-size:clamp(2.3rem,5.4vw,3.6rem); }
h2 { font-size:clamp(1.7rem,3.4vw,2.5rem); }
h3 { font-size:1.15rem; font-family:var(--font-body); font-weight:700; line-height:1.35; letter-spacing:0; }
p { margin:0 0 1rem; }
p:last-child { margin-bottom:0; }
a { color:var(--accent); text-decoration:none; }
a:hover { color:var(--accent-deep); }
:focus-visible { outline:2px solid var(--accent); outline-offset:3px; border-radius:4px; }

.container { max-width:var(--container); margin-inline:auto; padding-inline:clamp(1.2rem,4vw,2.4rem); }
.skip-link { position:absolute; top:-100px; left:1rem; z-index:100; padding:.6rem 1rem;
  background:var(--ink); color:#fff; border-radius:8px; }
.skip-link:focus { top:1rem; color:#fff; }

.eyebrow { font-size:.76rem; font-weight:600; letter-spacing:.15em; text-transform:uppercase;
  color:var(--accent); margin:0 0 1rem; }

/* ---------- buttons ---------- */
.btn { display:inline-flex; align-items:center; justify-content:center; gap:.5rem;
  padding:.82rem 1.6rem; border-radius:10px; border:1px solid transparent;
  font-family:var(--font-body); font-size:.94rem; font-weight:600; line-height:1.2; cursor:pointer;
  transition:background-color .16s ease, border-color .16s ease, color .16s ease, transform .16s ease; }
.btn:active { transform:translateY(1px); }
.btn-primary { background:var(--accent); color:#fff; box-shadow:0 10px 24px -12px rgba(59,91,219,.6); }
.btn-primary:hover { background:var(--accent-deep); color:#fff; }
.btn-ghost { border-color:rgba(244,245,248,.3); color:var(--on-dark); }
.btn-ghost:hover { border-color:rgba(244,245,248,.7); color:#fff; }
.btn-outline { border-color:var(--line-strong); color:var(--ink); }
.btn-outline:hover { border-color:var(--accent); color:var(--accent); }
.btn-sm { padding:.55rem 1.1rem; font-size:.875rem; }
.btn-wide { width:100%; }

/* ---------- header ---------- */
.site-header { position:sticky; top:0; z-index:50; background:rgba(11,18,32,.86);
  backdrop-filter:blur(12px); -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(255,255,255,.08); }
.header-inner { display:flex; align-items:center; justify-content:space-between; gap:1.5rem; min-height:70px; }
.brand { display:inline-flex; align-items:center; gap:.6rem; color:var(--on-dark);
  font-family:var(--font-display); font-size:1.35rem; font-weight:560; }
.brand:hover { color:#fff; }
.brand-mark { display:inline-flex; width:30px; height:30px; border-radius:8px;
  background:rgba(143,163,240,.16); align-items:center; justify-content:center; color:var(--accent-tint); flex:none; }
.brand-mark svg { width:18px; height:18px; }

.site-nav { display:flex; align-items:center; gap:clamp(.9rem,2.2vw,1.9rem); }
.site-nav a:not(.btn) { color:var(--on-dark-muted); font-size:.94rem; font-weight:500; padding-block:.3rem;
  position:relative; }
.site-nav a:not(.btn):hover { color:#fff; }
.site-nav a[aria-current="page"] { color:#fff; }
.site-nav a[aria-current="page"]::after { content:""; position:absolute; left:0; right:0; bottom:-2px;
  height:2px; background:var(--accent-tint); border-radius:2px; }

.nav-toggle { display:none; flex-direction:column; justify-content:center; gap:6px; width:44px; height:44px;
  padding:10px; background:none; border:0; cursor:pointer; }
.nav-toggle span { display:block; height:2px; border-radius:2px; background:var(--on-dark);
  transition:transform .2s ease, opacity .2s ease; }
.nav-toggle[aria-expanded="true"] span:first-child { transform:translateY(4px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:last-child { transform:translateY(-4px) rotate(-45deg); }

/* ---------- dark band base (hero / page-hero / cta / contact) ---------- */
.dark-band { position:relative; overflow:hidden; color:var(--on-dark);
  background:radial-gradient(70rem 30rem at 82% -20%, #1b294a 0%, transparent 60%),
    linear-gradient(165deg, var(--ink-deep) 0%, var(--ink-2) 100%); }
.band-art { position:absolute; inset:0 0 0 auto; width:min(48vw,600px); opacity:.5;
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 45%); mask-image:linear-gradient(90deg,transparent,#000 45%);
  pointer-events:none; }
.band-art svg { width:100%; height:100%; }

/* ---------- home hero ---------- */
.hero { margin-top:-70px; padding-top:70px; }
.hero-inner { position:relative; padding-block:clamp(4rem,9vw,7rem) clamp(2rem,4vw,3rem); max-width:44rem; }
.hero .eyebrow { color:var(--accent-tint); }
.hero h1 { color:#fff; margin-bottom:.35em; }
.hero-lead { font-size:clamp(1.05rem,1.7vw,1.28rem); color:var(--on-dark-muted); max-width:36rem; }
.hero-actions { display:flex; flex-wrap:wrap; gap:.85rem; margin-top:2rem; }
.hero-facts { position:relative; display:grid; grid-template-columns:repeat(4,1fr); gap:1.5rem;
  padding-block:1.7rem 3.2rem; border-top:1px solid rgba(255,255,255,.1); }
.fact { display:grid; gap:.2rem; }
.fact-label { font-size:.72rem; font-weight:600; letter-spacing:.09em; text-transform:uppercase; color:var(--on-dark-muted); }
.fact-value { font-weight:600; color:#fff; font-size:.92rem; }

/* ---------- page hero (subpages) ---------- */
.page-hero { margin-top:-70px; padding-top:70px; }
.page-hero-inner { position:relative; padding-block:clamp(3.2rem,7vw,5rem) clamp(2.4rem,5vw,3.4rem); max-width:44rem; }
.page-hero .eyebrow { color:var(--accent-tint); }
.page-hero h1 { color:#fff; font-size:clamp(2rem,4.6vw,3rem); }
.page-hero p { color:var(--on-dark-muted); font-size:clamp(1.02rem,1.6vw,1.2rem); max-width:38rem; }

/* ---------- generic section ---------- */
.section { padding-block:clamp(3.4rem,7vw,5.5rem); }
.section-tinted { background:linear-gradient(180deg,#f2efe8 0%, var(--paper) 100%);
  border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
.section-head { max-width:44rem; margin-bottom:clamp(2rem,4vw,3rem); }
.section-head.center { margin-inline:auto; text-align:center; }
.section-sub { font-size:1.08rem; color:var(--muted); margin-top:.9rem; }

/* ---------- thesis ---------- */
.thesis .big { font-family:var(--font-display); font-size:clamp(1.6rem,3.6vw,2.5rem); line-height:1.2;
  letter-spacing:-.01em; max-width:24ch; margin:0; }
.thesis .big em { font-style:italic; color:var(--accent); }
.thesis .support { color:var(--ink-soft); max-width:44rem; margin-top:1.2rem; font-size:1.08rem; }

/* ---------- pillars ---------- */
.pillars { display:grid; grid-template-columns:repeat(3,1fr); gap:1.1rem; }
.pillar { background:var(--surface); border:1px solid var(--line-strong); border-radius:var(--radius);
  padding:1.6rem; box-shadow:var(--shadow); }
.pillar-icon { width:46px; height:46px; border-radius:12px; background:var(--accent-soft); color:var(--accent);
  display:inline-flex; align-items:center; justify-content:center; margin-bottom:1.1rem; }
.pillar-icon svg { width:24px; height:24px; }
.pillar h3 { margin-bottom:.5rem; }
.pillar p { margin:0; font-size:.95rem; color:var(--ink-soft); }

/* ---------- service teaser (home) ---------- */
.card-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(230px,1fr)); gap:1.1rem; }
.card { background:var(--surface); border:1px solid var(--line); border-radius:var(--radius); padding:1.6rem;
  box-shadow:var(--shadow); transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease; }
.card:hover { transform:translateY(-4px); border-color:#d3d8f1; }
.card .k { font-size:.72rem; font-weight:600; letter-spacing:.1em; text-transform:uppercase; color:var(--accent); }
.card h3 { font-family:var(--font-display); font-weight:560; font-size:1.22rem; margin:.35rem 0 .4rem; }
.card p { margin:0; font-size:.93rem; color:var(--muted); }

/* ---------- detailed services (services page) ---------- */
.svc-list { display:grid; gap:1.2rem; }
.svc { display:grid; grid-template-columns:auto 1fr; gap:1.4rem; background:var(--surface);
  border:1px solid var(--line-strong); border-radius:var(--radius); padding:1.8rem; box-shadow:var(--shadow); }
.svc .num { font-family:var(--font-display); font-size:1.7rem; color:var(--accent); line-height:1; }
.svc .k { font-size:.72rem; font-weight:600; letter-spacing:.1em; text-transform:uppercase; color:var(--accent); }
.svc h3 { font-family:var(--font-display); font-weight:560; font-size:1.4rem; margin:.2rem 0 .5rem; }
.svc p { margin:0 0 .7rem; color:var(--ink-soft); font-size:.98rem; }
.svc .who { font-size:.85rem; color:var(--muted); }
.svc .who b { color:var(--ink); font-weight:600; }

/* ---------- principles (approach) ---------- */
.principles { list-style:none; margin:0; padding:0; display:grid; gap:1rem; }
.principle { display:flex; gap:1.4rem; padding:1.6rem; background:var(--surface); border:1px solid var(--line);
  border-radius:var(--radius); box-shadow:var(--shadow); }
.principle-num { font-family:var(--font-display); font-size:1.4rem; color:var(--accent); line-height:1.2; }
.principle h3 { margin-bottom:.35rem; }
.principle p { margin:0; color:var(--muted); font-size:.95rem; }

/* ---------- engage strip ---------- */
.engage { display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:var(--line);
  border:1px solid var(--line); border-radius:var(--radius); overflow:hidden; }
.engage > div { background:var(--surface); padding:1.5rem; }
.engage .em { font-size:.72rem; font-weight:600; letter-spacing:.1em; text-transform:uppercase; color:var(--accent);
  display:block; margin-bottom:.6rem; }
.engage h3 { margin-bottom:.35rem; }
.engage p { margin:0; font-size:.92rem; color:var(--ink-soft); }

/* ---------- leadership ---------- */
.team-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(250px,1fr)); gap:1.1rem; }
.person { background:var(--surface); border:1px solid var(--line); border-radius:var(--radius);
  padding:2rem 1.7rem; box-shadow:var(--shadow); }
.person-avatar { display:inline-flex; align-items:center; justify-content:center; width:62px; height:62px;
  margin-bottom:1.2rem; border-radius:50%; background:linear-gradient(135deg,var(--ink-2),var(--ink-deep));
  color:var(--accent-tint); font-family:var(--font-display); font-size:1.3rem; }
.person h3 { font-family:var(--font-display); font-weight:560; font-size:1.25rem; margin-bottom:.1rem; }
.person-role { font-size:.78rem; font-weight:600; letter-spacing:.08em; text-transform:uppercase;
  color:var(--accent); margin-bottom:.8rem; }
.person p:last-child { color:var(--muted); font-size:.93rem; }

/* ---------- quote aside ---------- */
.quote { margin:0; padding:clamp(1.7rem,3vw,2.4rem); background:var(--ink-deep); color:#fff;
  border-radius:var(--radius); box-shadow:var(--shadow); }
.quote p { font-family:var(--font-display); font-size:clamp(1.35rem,2.2vw,1.8rem); line-height:1.25; margin-bottom:1.1rem; }
.quote footer { font-size:.86rem; color:var(--on-dark-muted); }

/* ---------- contact ---------- */
.contact-grid { display:grid; grid-template-columns:minmax(0,1fr) minmax(0,1.1fr); gap:clamp(2.2rem,5vw,4.5rem);
  align-items:start; }
.contact-facts { display:grid; gap:1.2rem; margin:2.2rem 0 0; padding-top:1.8rem;
  border-top:1px solid rgba(255,255,255,.12); }
.contact-facts dt { font-size:.72rem; font-weight:600; letter-spacing:.09em; text-transform:uppercase;
  color:var(--on-dark-muted); margin-bottom:.2rem; }
.contact-facts dd { margin:0; font-weight:500; color:#fff; }
.contact-form { background:var(--surface); color:var(--ink); border-radius:var(--radius);
  padding:clamp(1.5rem,3vw,2.2rem); box-shadow:var(--shadow-strong); max-width:100%; min-width:0; }
.form-fields[hidden] { display:none; }
.form-fields { display:grid; gap:1.1rem; min-width:0; }
.field-row { display:grid; grid-template-columns:minmax(0,1fr) minmax(0,1fr); gap:1.1rem; }
.field { display:grid; gap:.4rem; min-width:0; }
.field label { font-size:.875rem; font-weight:600; }
.field input, .field textarea { font:inherit; font-size:.94rem; color:var(--ink); padding:.7rem .9rem;
  border:1.5px solid #cac5b7; border-radius:9px; background:var(--surface-2); width:100%; min-width:0;
  transition:border-color .14s ease, box-shadow .14s ease, background-color .14s ease; }
.field textarea { resize:vertical; min-height:8rem; }
.field input:hover, .field textarea:hover { border-color:#b7b1a0; }
.field input:focus, .field textarea:focus { outline:none; border-color:var(--accent);
  background:#fff; box-shadow:0 0 0 3px rgba(59,91,219,.18); }
.form-status { min-height:1.2em; font-size:.875rem; margin:.9rem 0 0; }
.form-status.is-error { color:#b42318; }
.form-status.is-success { color:#067647; }

/* ---------- contact form: success state ---------- */
.form-success[hidden] { display:none; }
.form-success { display:grid; justify-items:center; text-align:center; gap:.3rem;
  padding-block:1.5rem; }
.success-icon { display:inline-flex; align-items:center; justify-content:center; width:56px; height:56px;
  border-radius:50%; background:#e2f5ea; color:#0f8a4f; margin-bottom:.4rem; }
.success-icon svg { width:26px; height:26px; }
.form-success h3 { font-family:var(--font-display); font-weight:560; font-size:1.35rem; margin-bottom:.2rem; }
.form-success p { color:var(--muted); max-width:26rem; }
.form-success .btn { margin-top:1.1rem; }

/* ---------- CTA band ---------- */
.cta-inner { position:relative; padding-block:clamp(3rem,6vw,4.5rem); text-align:center; max-width:40rem;
  margin-inline:auto; }
.cta-inner .eyebrow { color:var(--accent-tint); }
.cta-inner h2 { color:#fff; }
.cta-inner p { color:var(--on-dark-muted); margin:1rem auto 1.7rem; }

/* ---------- footer ---------- */
.site-footer { background:var(--ink-deep); color:var(--on-dark-muted); border-top:1px solid rgba(255,255,255,.08); }
.footer-inner { display:flex; flex-wrap:wrap; justify-content:space-between; gap:2rem; padding-block:3rem 2rem; }
.footer-brand { max-width:24rem; }
.footer-brand .brand { margin-bottom:.9rem; }
.footer-brand p { font-size:.93rem; }
.footer-nav { display:flex; flex-wrap:wrap; gap:1.4rem; align-items:start; }
.footer-nav a { color:var(--on-dark-muted); font-size:.93rem; font-weight:500; }
.footer-nav a:hover { color:#fff; }
.footer-legal { padding-block:1.4rem; border-top:1px solid rgba(255,255,255,.08); }
.footer-legal p { font-size:.8rem; margin:0; }

/* ---------- reveal ---------- */
@media (prefers-reduced-motion: no-preference) {
  .reveal { opacity:0; transform:translateY(16px); transition:opacity .6s ease, transform .6s ease; }
  .reveal.is-visible { opacity:1; transform:none; }
}

/* ---------- responsive ---------- */
@media (max-width:900px) {
  .pillars, .engage, .contact-grid { grid-template-columns:1fr; }
  .hero-facts { grid-template-columns:repeat(2,1fr); }
  .band-art { opacity:.3; width:100vw; }
}
@media (max-width:720px) {
  .nav-toggle { display:flex; }
  .site-nav { position:absolute; top:100%; left:0; right:0; flex-direction:column; align-items:stretch;
    gap:0; padding:.5rem 1.25rem 1.25rem; background:var(--ink-deep);
    border-bottom:1px solid rgba(255,255,255,.08); box-shadow:0 24px 40px -16px rgba(0,0,0,.55); display:none; }
  .site-nav.is-open { display:flex; }
  .site-nav a:not(.btn) { padding:.85rem .25rem; border-bottom:1px solid rgba(255,255,255,.06); font-size:1rem; }
  .site-nav a[aria-current="page"]::after { display:none; }
  .nav-cta { margin-top:1rem; }
  .field-row { grid-template-columns:1fr; }
  .svc { grid-template-columns:1fr; gap:.8rem; }
}
@media (max-width:480px) {
  .hero-facts { grid-template-columns:1fr 1fr; gap:1.2rem; }
  .hero-actions .btn { flex:1 1 auto; }
}