/* ───────────── metaforge marketing site ─────────────
   Brand: navy #142638, orange #FF6500 (from the project icon).
   Dependency-free; system fonts; no build step. */

:root {
  --navy: #142638;
  --navy-2: #1d3650;
  --navy-deep: #0e1b28;
  --orange: #ff6500;
  --orange-soft: #ff7e2b;
  --ink: #16202b;
  --body: #3a4857;
  --muted: #6b7a8a;
  --line: #e3e8ee;
  --bg: #ffffff;
  --bg-alt: #f5f7fa;
  --bg-tint: #fff4ec;
  --radius: 14px;
  --maxw: 1080px;
  --shadow: 0 10px 30px rgba(20, 38, 56, 0.08);
  --shadow-lg: 0 20px 50px rgba(20, 38, 56, 0.14);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--body);
  background: var(--bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { color: var(--ink); line-height: 1.15; letter-spacing: -0.02em; }
a { color: var(--orange); text-decoration: none; }
code {
  font-family: "SF Mono", ui-monospace, "Cascadia Code", Consolas, monospace;
  font-size: 0.88em;
  background: var(--bg-alt);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 1px 6px;
  color: var(--navy);
}

/* ───────────── NAV ───────────── */
.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px clamp(18px, 5vw, 48px);
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.2rem;
  color: var(--navy);
  letter-spacing: -0.02em;
}
.nav-links { display: flex; align-items: center; gap: clamp(10px, 2vw, 26px); }
.nav-links a { color: var(--navy); font-weight: 600; font-size: 0.93rem; }
.nav-links a:hover { color: var(--orange); }
.nav-cta {
  background: var(--navy);
  color: #fff !important;
  padding: 7px 16px;
  border-radius: 999px;
}
.nav-cta:hover { background: var(--orange); }

/* ───────────── HERO ───────────── */
.hero {
  position: relative;
  text-align: center;
  padding: clamp(60px, 11vw, 120px) clamp(18px, 5vw, 48px) clamp(60px, 9vw, 100px);
  background:
    radial-gradient(1200px 500px at 50% -10%, #fff4ec 0%, rgba(255, 244, 236, 0) 70%),
    linear-gradient(180deg, #ffffff 0%, #fafbfc 100%);
  overflow: hidden;
}
.hero-mark { margin: 0 auto 26px; filter: drop-shadow(0 14px 26px rgba(255, 101, 0, 0.22)); }
.hero-mark img { display: block; margin: 0 auto; }
.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--orange);
  margin: 0 0 14px;
}
.hero h1 {
  font-size: clamp(2.3rem, 6vw, 4rem);
  margin: 0 auto 22px;
  max-width: 14ch;
  font-weight: 850;
}
.accent { color: var(--orange); }
.lede {
  max-width: 62ch;
  margin: 0 auto 32px;
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  color: var(--body);
}
.hero-cta { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.hero-note { margin-top: 26px; font-size: 0.85rem; color: var(--muted); }

.btn {
  display: inline-block;
  font-weight: 700;
  font-size: 1rem;
  padding: 13px 26px;
  border-radius: 999px;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}
.btn-primary { background: var(--orange); color: #fff; box-shadow: 0 8px 20px rgba(255, 101, 0, 0.3); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 28px rgba(255, 101, 0, 0.4); }
.btn-ghost { background: #fff; color: var(--navy); border: 1.5px solid var(--line); }
.btn-ghost:hover { border-color: var(--navy); transform: translateY(-2px); }

/* ───────────── BANDS ───────────── */
.band { padding: clamp(56px, 9vw, 96px) clamp(18px, 5vw, 48px); }
.band > * { max-width: var(--maxw); margin-left: auto; margin-right: auto; }
.band-alt { background: var(--bg-alt); }

.section-head { text-align: center; margin-bottom: 46px; }
.kicker {
  display: inline-block;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.74rem;
  font-weight: 800;
  color: var(--orange);
  margin-bottom: 10px;
}
.section-head h2 { font-size: clamp(1.7rem, 4vw, 2.6rem); margin: 0; font-weight: 820; }

.prose { max-width: 70ch; margin: 0 auto; font-size: 1.05rem; }
.prose.center { text-align: center; }
.prose.big { font-size: clamp(1.15rem, 2.2vw, 1.5rem); color: var(--ink); line-height: 1.5; margin-bottom: 8px; }
.prose.muted { color: var(--muted); font-size: 0.98rem; margin-top: 30px; }
.muted { color: var(--muted); }

/* ───────────── CARDS ───────────── */
.cards { display: grid; gap: 22px; margin-top: 10px; }
.cards-2 { grid-template-columns: repeat(2, 1fr); }
.cards-3 { grid-template-columns: repeat(3, 1fr); }
.gap-tight { gap: 20px; }

.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 24px;
  box-shadow: var(--shadow);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.card h3 { margin: 0 0 8px; font-size: 1.22rem; }
.card p { margin: 0; color: var(--body); }
.card-icon {
  width: 46px; height: 46px;
  display: grid; place-items: center;
  border-radius: 12px;
  background: var(--bg-tint);
  color: var(--orange);
  font-size: 1.4rem;
  margin-bottom: 14px;
}
.card.feature h3 { color: var(--navy); }
.card.feature { border-top: 3px solid var(--orange); }
.card.who { background: linear-gradient(180deg, #fff, #fcfdfe); }

/* ───────────── STEPS ───────────── */
.steps { list-style: none; counter-reset: s; padding: 0; max-width: 820px; display: grid; gap: 18px; }
.step {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px 26px;
  box-shadow: var(--shadow);
}
.step-num {
  flex: none;
  width: 44px; height: 44px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: var(--navy);
  color: #fff;
  font-weight: 800;
  font-size: 1.2rem;
}
.step h3 { margin: 2px 0 6px; font-size: 1.2rem; }
.step p { margin: 0; }

/* ───────────── FLOW ───────────── */
.flow {
  display: flex;
  align-items: center;
  gap: 30px;
  justify-content: center;
  flex-wrap: wrap;
  background: var(--navy);
  color: #eaf0f6;
  border-radius: 20px;
  padding: 36px clamp(22px, 5vw, 56px);
  box-shadow: var(--shadow-lg);
}
.flow-source {
  text-align: center;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 14px;
  padding: 20px 26px;
}
.flow-source strong { display: block; color: #fff; font-size: 1.1rem; }
.flow-source small { color: #9fb2c4; }
.flow-split {
  width: 46px; height: 2px;
  background: linear-gradient(90deg, var(--orange), rgba(255, 101, 0, 0.2));
  position: relative;
}
.flow-split::after {
  content: "";
  position: absolute; right: -2px; top: -4px;
  border-left: 8px solid var(--orange);
  border-top: 5px solid transparent;
  border-bottom: 5px solid transparent;
}
.flow-outs { display: grid; gap: 10px; }
.flow-out { font-weight: 600; color: #eaf0f6; }
.flow-out span { color: var(--orange); margin-right: 8px; }
.flow-out small { display: block; color: #8ba0b4; font-weight: 400; margin-left: 20px; }

/* ───────────── CTA BAND ───────────── */
.cta-band { text-align: center; background: linear-gradient(135deg, var(--navy-deep), var(--navy-2)); color: #fff; border-radius: 0; }
.cta-band h2 { color: #fff; font-size: clamp(1.9rem, 4.5vw, 2.8rem); margin: 0 0 14px; }
.cta-band .prose { color: #cdd8e3; margin-bottom: 30px; }

/* ───────────── FOOTER ───────────── */
.foot { background: var(--navy-deep); color: #9fb2c4; padding: 34px clamp(18px, 5vw, 48px); }
.foot-inner { max-width: var(--maxw); margin: 0 auto; display: flex; gap: 14px; align-items: center; }
.foot strong { color: #fff; }
.foot small { color: #7d93a8; }

/* ───────────── SCHEMATIC DIAGRAM ───────────── */
.schematic {
  margin: 0 auto;
  max-width: var(--maxw);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: clamp(18px, 4vw, 34px);
  box-shadow: var(--shadow-lg);
}
.schematic svg { display: block; width: 100%; height: auto; }
.schematic-caption {
  margin: 18px auto 0;
  text-align: center;
  color: var(--muted);
  font-size: 0.92rem;
  max-width: 64ch;
}

/* boxes */
.schematic .box { stroke-width: 1.5; }
.schematic .box-input  { fill: #fff;        stroke: var(--line); }
.schematic .box-binding{ fill: var(--bg-tint); stroke: var(--orange); stroke-width: 2; }
.schematic .box-gen    { stroke: none; }
.schematic .box-output {
  fill: #fff; stroke: var(--navy); stroke-width: 2;
  stroke-dasharray: 5 4;
}

/* text */
.schematic text { text-anchor: middle; font-family: inherit; }
.schematic .t-eyebrow {
  fill: var(--muted); font-size: 12px; font-weight: 700;
  letter-spacing: 0.12em;
}
.schematic .t-accent { fill: var(--orange); }
.schematic .t-title { fill: var(--ink); font-size: 19px; font-weight: 800; }
.schematic .t-sub   { fill: var(--body); font-size: 13px; }
.schematic .t-gen-label { fill: #fff; font-size: 17px; font-weight: 800; }
.schematic .t-gen-sub   { fill: #ff9a52; font-size: 13px; font-weight: 600; letter-spacing: 0.05em; }
.schematic .t-gen-mark  { fill: var(--orange); font-size: 22px; }
.schematic .t-out     { fill: var(--navy); font-size: 16px; font-weight: 700; }
.schematic .t-out-ext { fill: var(--orange); font-size: 22px; font-weight: 850; }
.schematic .t-out-ext2 { fill: var(--orange); font-size: 22px; font-weight: 850; }
.schematic .t-out-sub { fill: var(--muted); font-size: 11px; }

/* wires */
.schematic .wire {
  fill: none;
  stroke: var(--orange);
  stroke-width: 2.2;
  stroke-linejoin: round;
  stroke-linecap: round;
}

/* ───────────── RESPONSIVE ───────────── */
@media (max-width: 820px) {
  .cards-2, .cards-3 { grid-template-columns: 1fr; }
  .nav-links a:not(.nav-cta) { display: none; }
  .flow { flex-direction: column; gap: 18px; }
  .flow-split { transform: rotate(90deg); }
}