/* Apex Digital Minds — design system
   Palette: Deep Channel #0C3A42 · Reef Mist #EEF2F1 · Amber Flare #E8A33B
            Ink #13272C · Seafoam line #C8D8D5 · Teal live #0FA3A3          */

:root {
  --ink: #13272c;
  --deep: #0c3a42;
  --deep-2: #0f4a54;
  --mist: #eef2f1;
  --paper: #f7faf9;
  --line: #c8d8d5;
  --amber: #e8a33b;
  --teal: #0fa3a3;
  --muted: #52676c;
  --radius: 10px;
  --max: 1100px;
  --font-display: "Bricolage Grotesque", "Segoe UI", sans-serif;
  --font-body: "Instrument Sans", "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1 !important; transform: none !important; transition: none !important; }
  * { animation: none !important; }
  .exchange .row { opacity: 1 !important; transform: none !important; }
}

body {
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--mist);
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 24px; }

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(238, 242, 241, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  height: 68px;
}
.brand {
  font-family: var(--font-display);
  font-weight: 700; font-size: 1.15rem; letter-spacing: -0.01em;
  color: var(--deep); text-decoration: none;
}
.brand .dot { color: var(--amber); }
.nav-links { display: flex; gap: 26px; align-items: center; list-style: none; }
.nav-links a {
  color: var(--ink); text-decoration: none; font-size: 0.95rem; font-weight: 500;
}
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--deep); text-decoration: underline; text-underline-offset: 5px; text-decoration-color: var(--amber); text-decoration-thickness: 2px; }
.nav-cta {
  background: var(--deep); color: #fff !important; padding: 10px 18px;
  border-radius: var(--radius); font-weight: 600; text-decoration: none !important;
}
.nav-cta:hover { background: var(--deep-2); }
.nav-toggle { display: none; background: none; border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; font-size: 1.1rem; cursor: pointer; color: var(--deep); }

@media (max-width: 780px) {
  .nav-toggle { display: block; }
  .nav-links {
    display: none; position: absolute; top: 68px; left: 0; right: 0;
    background: var(--paper); flex-direction: column; gap: 0;
    border-bottom: 1px solid var(--line); padding: 8px 0;
  }
  .nav-links.open { display: flex; }
  .nav-links li { width: 100%; text-align: center; }
  .nav-links a { display: block; padding: 14px; }
  .nav-cta { margin: 10px 24px; }
}

/* ---------- type ---------- */
h1, h2, h3 { font-family: var(--font-display); color: var(--deep); letter-spacing: -0.02em; line-height: 1.12; }
h1 { font-size: clamp(2.3rem, 5.5vw, 3.6rem); font-weight: 700; }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.2rem); font-weight: 700; }
h3 { font-size: 1.18rem; font-weight: 600; }
.eyebrow {
  font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--teal); display: block; margin-bottom: 14px;
}
.lead { font-size: 1.15rem; color: var(--muted); max-width: 46ch; }

/* ---------- hero ---------- */
.hero { padding: 84px 0 64px; position: relative; overflow: hidden; }
.hero > .wrap { position: relative; z-index: 1; }
#net {
  position: absolute; inset: 0; z-index: 0; pointer-events: none; opacity: 0.5;
}
.hero-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 56px; align-items: center; }
@media (max-width: 860px) { .hero-grid { grid-template-columns: 1fr; gap: 40px; } }
.hero h1 { margin: 0 0 18px; }
.hero .lead { margin-bottom: 30px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }

.btn {
  display: inline-block; padding: 14px 26px; border-radius: var(--radius);
  font-weight: 600; text-decoration: none; font-size: 1rem; border: none; cursor: pointer;
  font-family: var(--font-body);
}
.btn-primary { background: var(--deep); color: #fff; }
.btn-primary:hover { background: var(--deep-2); }
.btn-ghost { color: var(--deep); border: 1.5px solid var(--line); background: transparent; }
.btn-ghost:hover { border-color: var(--deep); }

/* signature: the exchange ticker */
.exchange {
  background: var(--deep); color: #dff0ee; border-radius: 14px;
  padding: 28px 26px; font-family: var(--font-mono); font-size: 0.88rem;
  box-shadow: 0 24px 60px -30px rgba(12, 58, 66, 0.55);
}
.exchange .row {
  display: flex; justify-content: space-between; gap: 12px;
  padding: 11px 0; border-bottom: 1px dashed rgba(200, 216, 213, 0.25);
  opacity: 0; transform: translateY(6px);
  animation: rise 0.5s ease forwards;
}
.exchange .row:last-child { border-bottom: none; }
.exchange .row:nth-child(1) { animation-delay: 0.3s; }
.exchange .row:nth-child(2) { animation-delay: 1.1s; }
.exchange .row:nth-child(3) { animation-delay: 1.9s; }
.exchange .row:nth-child(4) { animation-delay: 2.7s; }
.exchange .t { color: #8fb8b3; }
.exchange .ok { color: var(--amber); }
.exchange .live { color: var(--teal); }
@keyframes rise { to { opacity: 1; transform: translateY(0); } }
.exchange .caption {
  margin-top: 16px; font-size: 0.75rem; color: #8fb8b3; letter-spacing: 0.05em;
}

/* ---------- sections ---------- */
section { padding: 72px 0; }
section.alt { background: var(--paper); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-head { max-width: 640px; margin-bottom: 44px; }
.section-head p { color: var(--muted); margin-top: 12px; }

.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.cards.cards-2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 860px) { .cards, .cards.cards-2 { grid-template-columns: 1fr; } }
.card {
  background: var(--paper); border: 1px solid var(--line); border-radius: 14px;
  padding: 28px 26px; display: flex; flex-direction: column; gap: 12px;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px -24px rgba(12, 58, 66, 0.35);
  border-color: var(--teal);
}
@media (prefers-reduced-motion: reduce) { .card:hover { transform: none; } }
.card .glyph {
  width: 44px; height: 44px; border-radius: 10px; background: var(--deep);
  display: flex; align-items: center; justify-content: center; margin-bottom: 4px;
}
.card .glyph svg { width: 24px; height: 24px; stroke: var(--amber); fill: none; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
section.alt .card { background: var(--mist); }
.card .tag { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); }
.card p { color: var(--muted); font-size: 0.97rem; flex: 1; }
.card a.more { color: var(--deep); font-weight: 600; text-decoration: none; font-size: 0.95rem; }
.card a.more:hover { text-decoration: underline; text-decoration-color: var(--amber); text-underline-offset: 4px; }

/* steps */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; counter-reset: step; }
@media (max-width: 860px) { .steps { grid-template-columns: 1fr; } }
.step { padding: 26px 24px; border-left: 3px solid var(--amber); background: var(--paper); border-radius: 0 12px 12px 0; }
.step .num { font-family: var(--font-mono); color: var(--teal); font-size: 0.8rem; letter-spacing: 0.12em; }
.step h3 { margin: 8px 0 8px; }
.step p { color: var(--muted); font-size: 0.97rem; }

/* checklist */
.checks { list-style: none; display: grid; gap: 14px; max-width: 640px; }
.checks li { padding-left: 30px; position: relative; color: var(--ink); }
.checks li::before {
  content: "▸"; position: absolute; left: 0; color: var(--amber); font-weight: 700;
}
.checks li strong { color: var(--deep); }

/* split layout */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 52px; align-items: start; }
@media (max-width: 860px) { .split { grid-template-columns: 1fr; } }

/* founder note */
.founder {
  border: 1px solid var(--line); border-radius: 14px; padding: 32px;
  background: linear-gradient(135deg, var(--paper) 0%, #e7efed 100%);
}
.founder .sig { font-family: var(--font-mono); font-size: 0.8rem; color: var(--muted); margin-top: 18px; }

/* niche examples */
.niche-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 28px; }
@media (max-width: 860px) { .niche-grid { grid-template-columns: 1fr; } }
.niche {
  background: var(--deep); color: #dff0ee; border-radius: 12px; padding: 22px;
  font-size: 0.94rem;
}
.niche .who { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--amber); display: block; margin-bottom: 10px; }

/* product card */
.product {
  display: flex; gap: 24px; align-items: center; background: var(--paper);
  border: 1px solid var(--line); border-radius: 14px; padding: 28px; max-width: 720px;
}
@media (max-width: 640px) { .product { flex-direction: column; align-items: flex-start; } }
.product .icon {
  width: 64px; height: 64px; border-radius: 14px; background: var(--deep);
  color: var(--amber); display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem; flex-shrink: 0; font-family: var(--font-display);
}

/* CTA band */
.cta-band { background: var(--deep); color: #dff0ee; text-align: center; padding: 76px 0; }
.cta-band h2 { color: #fff; margin-bottom: 14px; }
.cta-band p { color: #9fc4bf; max-width: 52ch; margin: 0 auto 30px; }
.cta-band .btn-primary { background: var(--amber); color: var(--deep); }
.cta-band .btn-primary:hover { background: #f0b45a; }

/* forms */
form.contact { display: grid; gap: 18px; max-width: 560px; }
label { font-weight: 600; font-size: 0.92rem; color: var(--deep); display: grid; gap: 7px; }
input, textarea, select {
  font-family: var(--font-body); font-size: 1rem; padding: 12px 14px;
  border: 1.5px solid var(--line); border-radius: 8px; background: var(--paper); color: var(--ink);
}
input:focus, textarea:focus, select:focus { outline: 2px solid var(--teal); border-color: var(--teal); }

/* footer */
.site-footer {
  border-top: 1px solid var(--line); padding: 44px 0; color: var(--muted);
  font-size: 0.9rem; background: var(--paper);
}
.foot-grid { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.site-footer a { color: var(--deep); text-decoration: none; }
.site-footer a:hover { text-decoration: underline; }
.foot-mono { font-family: var(--font-mono); font-size: 0.75rem; letter-spacing: 0.06em; }

/* reveal on scroll */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.in { opacity: 1; transform: none; }

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