/* DM Social — product site. Light, editorial, near-monochrome + Deep Marketing red.
   Display: Instrument Serif · Body/UI: Instrument Sans · Data/labels: JetBrains Mono. */

:root {
  --ink: #14161b;
  --ink-soft: #2b2f36;
  --paper: #ffffff;
  --panel: #f6f7f9;
  --panel-2: #eef0f3;
  --line: #e6e8eb;
  --muted: #6b7280;
  --red: #e0362b;
  --red-ink: #b7261d;
  --radius: 14px;
  --wrap: 1120px;
  --pad: clamp(20px, 5vw, 48px);
  color-scheme: light;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink-soft);
  font: 400 17px/1.7 "Instrument Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { max-width: 100%; }
a { color: var(--ink); text-decoration: none; }
h1, h2, h3 { color: var(--ink); margin: 0; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding-left: var(--pad); padding-right: var(--pad); }

/* utility / eyebrow */
.eyebrow {
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.72rem; font-weight: 500; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--muted); margin: 0 0 18px; display: inline-flex; align-items: center; gap: 10px;
}
.eyebrow::before { content: ""; width: 22px; height: 2px; background: var(--red); display: inline-block; }
.mono { font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace; }

/* display type */
.display {
  font-family: "Instrument Serif", Georgia, "Times New Roman", serif;
  font-weight: 400; line-height: 1.03; letter-spacing: -0.01em; color: var(--ink);
}
h1.display { font-size: clamp(2.7rem, 6.4vw, 4.6rem); }
h2.display { font-size: clamp(1.95rem, 4vw, 2.9rem); }
.lead { font-size: clamp(1.12rem, 1.7vw, 1.3rem); color: var(--ink-soft); line-height: 1.55; }

/* ── nav ── */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,0.82); backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav-inner { display: flex; align-items: center; gap: 20px; height: 66px; }
.brand { display: flex; align-items: center; gap: 11px; }
.brand .glyph { width: 30px; height: 30px; border-radius: 8px; display: block; }
.brand .wordmark { font-weight: 600; letter-spacing: -0.2px; color: var(--ink); font-size: 1.02rem; }
.nav-links { margin-left: auto; display: flex; align-items: center; gap: 6px; }
.nav-links a { padding: 8px 12px; border-radius: 8px; color: var(--ink-soft); font-size: 0.95rem; transition: background .15s, color .15s; }
.nav-links a:hover { background: var(--panel); color: var(--ink); }
.nav-links a[aria-current="page"] { color: var(--ink); }
.nav-links a[aria-current="page"]::after { content: ""; display: block; height: 2px; background: var(--red); margin-top: 3px; border-radius: 2px; }
.nav-cta { border: 1px solid var(--line); }

/* ── buttons ── */
.btn { display: inline-flex; align-items: center; gap: 8px; font-family: inherit; font-size: 0.98rem; font-weight: 500;
  padding: 12px 20px; border-radius: 10px; cursor: pointer; transition: transform .12s ease, background .15s, box-shadow .15s, border-color .15s; border: 1px solid transparent; }
.btn-primary { background: var(--ink); color: #fff; }
.btn-primary:hover { background: #000; transform: translateY(-1px); box-shadow: 0 6px 20px rgba(0,0,0,.18); }
.btn-ghost { background: #fff; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { background: var(--panel); transform: translateY(-1px); }
.btn .arrow { transition: transform .15s; }
.btn:hover .arrow { transform: translateX(3px); }

/* ── hero ── */
.hero { padding: clamp(48px, 8vw, 92px) 0 clamp(40px, 6vw, 72px); }
.hero-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: clamp(28px, 5vw, 64px); align-items: center; }
.hero h1 { margin: 0 0 20px; }
.hero h1 em { font-style: italic; color: var(--red); }
.hero .lead { max-width: 34ch; margin: 0 0 30px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-note { margin-top: 22px; font-size: 0.88rem; color: var(--muted); }

/* dispatch diagram (signature) */
.dispatch { width: 100%; height: auto; display: block; }
.dispatch .flow { stroke: var(--panel-2); stroke-width: 2; fill: none; }
.dispatch .flow-live { stroke: var(--red); stroke-width: 2; fill: none; stroke-dasharray: 5 7; animation: dash 1.4s linear infinite; }
@keyframes dash { to { stroke-dashoffset: -24; } }
.dispatch .card { fill: #fff; stroke: var(--line); }
.dispatch .node { fill: var(--ink); }
.dispatch .node-label { fill: var(--ink); font-family: "Instrument Sans", sans-serif; font-size: 13px; font-weight: 500; }
.dispatch .glyph-t { fill: #fff; font-family: "Instrument Sans", sans-serif; font-weight: 700; }
.dispatch .line { fill: var(--panel-2); }
.dispatch .pill { fill: var(--red); }
.dispatch .pill-t { fill: #fff; font-family: "JetBrains Mono", monospace; font-size: 11px; font-weight: 500; }
.dispatch .cap { fill: var(--muted); font-family: "JetBrains Mono", monospace; font-size: 10.5px; letter-spacing: 0.08em; }

/* ── generic section ── */
.section { padding: clamp(52px, 8vw, 96px) 0; }
.section-head { max-width: 62ch; margin: 0 0 clamp(32px, 5vw, 52px); }
.section-head h2 { margin: 0 0 16px; }
.section-head p { margin: 0; color: var(--ink-soft); font-size: 1.08rem; }
.rule { border: 0; border-top: 1px solid var(--line); margin: 0; }

/* value points */
.points { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.point { background: #fff; padding: 28px; }
.point .k { font-family: "JetBrains Mono", monospace; font-size: 0.7rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--red-ink); }
.point h3 { font-size: 1.12rem; margin: 12px 0 8px; letter-spacing: -0.2px; }
.point p { margin: 0; font-size: 0.98rem; color: var(--ink-soft); }

/* steps (genuine ordered sequence) */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(18px, 2.4vw, 30px); counter-reset: step; }
.step { position: relative; padding-top: 22px; border-top: 2px solid var(--ink); }
.step .num { font-family: "JetBrains Mono", monospace; font-size: 0.78rem; color: var(--muted); }
.step h3 { font-size: 1.16rem; margin: 14px 0 8px; letter-spacing: -0.2px; }
.step p { margin: 0; font-size: 0.96rem; color: var(--ink-soft); }

/* platforms */
.channels { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.channel { display: flex; align-items: center; gap: 13px; padding: 18px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.channel .mk { width: 40px; height: 40px; border-radius: 10px; background: var(--ink); color: #fff; display: grid; place-items: center; font-weight: 700; font-size: 0.95rem; flex: 0 0 40px; }
.channel .nm { font-weight: 600; color: var(--ink); font-size: 0.98rem; }
.channel .sub { font-size: 0.82rem; color: var(--muted); }

/* dark band */
.band { background: var(--ink); color: #cfd3da; }
.band h2 { color: #fff; }
.band .eyebrow { color: #8a90a0; }
.band .guarantees { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(20px, 3vw, 40px); margin-top: 8px; }
.guarantee { padding-top: 20px; border-top: 1px solid rgba(255,255,255,0.14); }
.guarantee h3 { color: #fff; font-size: 1.08rem; margin: 0 0 8px; letter-spacing: -0.2px; }
.guarantee p { margin: 0; font-size: 0.95rem; color: #a4aab6; }
.band-links { margin-top: clamp(28px, 4vw, 44px); display: flex; flex-wrap: wrap; gap: 14px; }
.band-links a { color: #fff; border: 1px solid rgba(255,255,255,0.22); padding: 10px 16px; border-radius: 9px; font-size: 0.95rem; transition: background .15s, border-color .15s; }
.band-links a:hover { background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.4); }

/* contact */
.contact-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: clamp(28px, 5vw, 60px); align-items: start; }
.card-legal { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(22px, 3vw, 32px); }
.card-legal dl { margin: 0; display: grid; grid-template-columns: auto 1fr; gap: 10px 20px; }
.card-legal dt { font-family: "JetBrains Mono", monospace; font-size: 0.72rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); align-self: center; }
.card-legal dd { margin: 0; color: var(--ink); font-size: 0.98rem; }
.contact-lead a { color: var(--red-ink); border-bottom: 1px solid var(--red); }

/* prose (how-it-works detail + legal) */
.prose h2 { font-size: clamp(1.5rem, 2.6vw, 2rem); margin: 44px 0 12px; letter-spacing: -0.4px;
  font-family: "Instrument Serif", Georgia, serif; font-weight: 400; line-height: 1.1; }
.prose h3 { font-size: 1.3rem; margin: 40px 0 10px; letter-spacing: -0.3px; }
.prose p { margin: 0 0 16px; }
.prose ul { margin: 0 0 16px; padding-left: 20px; }
.prose li { margin: 6px 0; }
.prose a { color: var(--red-ink); border-bottom: 1px solid var(--line); }
.prose em { color: var(--muted); font-style: italic; }

/* legal pages */
.legal-head { padding: clamp(40px, 7vw, 72px) 0 clamp(20px, 3vw, 32px); }
.legal-meta { font-family: "JetBrains Mono", monospace; font-size: 0.8rem; color: var(--muted); margin: 10px 0 0; }
.box { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px 22px; margin: 24px 0; font-size: 0.96rem; line-height: 1.7; }
.box strong { color: var(--ink); }
.langswitch { font-family: "JetBrains Mono", monospace; font-size: 0.78rem; color: var(--muted); }
.langswitch a { color: var(--red-ink); border-bottom: 1px solid var(--red); }

/* ── footer ── */
.foot { border-top: 1px solid var(--line); padding: clamp(40px, 5vw, 60px) 0 40px; }
.foot-top { display: flex; flex-wrap: wrap; gap: 24px; align-items: center; justify-content: space-between; }
.foot .brand .glyph { width: 34px; height: 34px; }
.foot-links { display: flex; flex-wrap: wrap; gap: 18px; }
.foot-links a { color: var(--muted); font-size: 0.92rem; }
.foot-links a:hover { color: var(--ink); }
.foot-legal { margin-top: 26px; padding-top: 22px; border-top: 1px solid var(--line); color: var(--muted); font-size: 0.82rem; line-height: 1.7; }
.foot-legal a { color: var(--muted); border-bottom: 1px solid var(--line); }

/* ── responsive ── */
@media (max-width: 900px) {
  .hero-grid, .contact-grid { grid-template-columns: 1fr; }
  .hero-visual { order: -1; }
  .points, .steps, .channels, .band .guarantees { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .points, .steps, .channels, .band .guarantees { grid-template-columns: 1fr; }
  .nav-links .hide-sm { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .dispatch .flow-live { animation: none; }
  .btn, .nav-links a { transition: none; }
}
:focus-visible { outline: 2px solid var(--red); outline-offset: 2px; border-radius: 4px; }