/* 10b.media — editorial, type-led.
   Palette: warm paper + ink + one signal red. No gradients, no glass. */

:root {
  --paper: #f4f2ed;
  --ink: #14130f;
  --ink-soft: #55524a;
  --rule: #d8d4ca;
  --signal: #d6402a;
  --nav-h: 62px;

  --serif: "Instrument Serif", "Iowan Old Style", Georgia, serif;
  --sans: ui-sans-serif, -apple-system, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, monospace;

  --pad: clamp(20px, 5vw, 72px);
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #121110;
    --ink: #f2efe8;
    --ink-soft: #9c988d;
    --rule: #2e2c28;
    --signal: #ff6a4d;
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

.skip {
  position: absolute; left: -9999px;
  background: var(--ink); color: var(--paper);
  padding: 10px 16px; z-index: 100;
}
.skip:focus { left: 0; top: 0; }

/* ---------- nav ---------- */

.nav {
  position: sticky; top: 0; z-index: 20;
  height: var(--nav-h);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 var(--pad);
  background: color-mix(in oklab, var(--paper) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--rule);
}

.mark {
  font-family: var(--serif);
  font-size: 23px; letter-spacing: -0.01em;
  color: var(--ink); text-decoration: none;
}
.mark span { color: var(--signal); }

.nav nav { display: flex; gap: clamp(14px, 2.4vw, 30px); }
.nav nav a {
  font-family: var(--mono);
  font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--ink-soft); text-decoration: none;
  display: inline-flex; align-items: center;
  min-height: 44px;                       /* touch target on mobile */
  padding: 0 2px;
  border-bottom: 1px solid transparent;
  transition: color 0.18s, border-color 0.18s;
}
.nav nav a:hover { color: var(--ink); border-bottom-color: var(--signal); }
.nav nav a:focus-visible { outline: 2px solid var(--signal); outline-offset: 3px; border-radius: 2px; }

/* ---------- hero ---------- */

.hero { padding: clamp(52px, 11vh, 120px) var(--pad) clamp(40px, 7vh, 80px); }

.kicker {
  display: inline-flex; align-items: center; gap: 9px;
  font-family: var(--mono); font-size: 12px;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--ink-soft); margin: 0 0 clamp(22px, 4vh, 40px);
}
.dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--signal); flex: none;
  box-shadow: 0 0 0 4px color-mix(in oklab, var(--signal) 18%, transparent);
}

.hero h1 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(44px, 9.4vw, 132px);
  line-height: 0.94;
  letter-spacing: -0.028em;
  margin: 0;
  max-width: 15ch;
  text-wrap: balance;
}
.hero h1 em {
  font-style: italic;
  color: var(--signal);
}

.hero-foot {
  display: flex; flex-wrap: wrap; align-items: flex-end;
  justify-content: space-between; gap: clamp(20px, 4vw, 48px);
  margin-top: clamp(30px, 6vh, 60px);
  padding-top: clamp(20px, 3vh, 32px);
  border-top: 1px solid var(--rule);
}

.lede {
  margin: 0; max-width: 46ch;
  font-size: clamp(15px, 1.35vw, 18px);
  color: var(--ink-soft);
  text-wrap: pretty;
}

.cta {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--mono); font-size: 12px;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--ink); text-decoration: none;
  border: 1px solid var(--ink);
  padding: 14px 22px; min-height: 48px;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}
.cta:hover { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.cta:focus-visible { outline: 2px solid var(--signal); outline-offset: 3px; }
.cta span { transition: transform 0.2s; }
.cta:hover span { transform: translateX(3px); }

/* ---------- client marquee ---------- */

.clients {
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  padding: 20px 0;
  overflow: hidden;
}
.marquee ul {
  display: flex; gap: clamp(32px, 5vw, 72px);
  list-style: none; margin: 0; padding: 0;
  width: max-content;
  animation: slide 42s linear infinite;
}
.marquee li {
  font-family: var(--serif);
  font-size: clamp(20px, 2.3vw, 30px);
  color: var(--ink-soft);
  white-space: nowrap;
  transition: color 0.2s;
}
.marquee li:hover { color: var(--ink); }
@keyframes slide { to { transform: translateX(-50%); } }

/* ---------- section heads ---------- */

.sec-head {
  display: flex; flex-wrap: wrap; align-items: baseline;
  justify-content: space-between; gap: 14px;
  margin-bottom: clamp(28px, 5vh, 48px);
}
.sec-head h2 {
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(28px, 4.4vw, 52px);
  letter-spacing: -0.02em; margin: 0; line-height: 1;
}
.sec-head p {
  margin: 0; color: var(--ink-soft);
  font-family: var(--mono); font-size: 12px;
  letter-spacing: 0.06em;
}

/* ---------- proof / stats ---------- */

.proof { padding: clamp(56px, 10vh, 110px) var(--pad); }

.stats {
  list-style: none; margin: 0; padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--rule);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}
.stats li {
  background: var(--paper);
  padding: clamp(22px, 3vw, 38px) clamp(18px, 2.4vw, 32px);
  display: flex; flex-direction: column; gap: 10px;
}
.stats b {
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(38px, 5.6vw, 74px);
  line-height: 0.95; letter-spacing: -0.03em;
  color: var(--ink);
}
.stats span {
  font-family: var(--mono); font-size: 11px;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--ink-soft); line-height: 1.5;
}

/* ---------- work ---------- */

.work { padding: clamp(56px, 10vh, 110px) var(--pad); }

.grid {
  list-style: none; margin: 0; padding: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
}
.grid li {
  background: var(--paper);
  padding: clamp(24px, 3.4vw, 44px);
  display: flex; flex-direction: column; gap: 12px;
}
.grid li.tall { grid-row: span 2; }
.grid .idx {
  font-family: var(--mono); font-size: 11px;
  letter-spacing: 0.14em; color: var(--signal);
}
.grid h3 {
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(24px, 2.7vw, 36px);
  letter-spacing: -0.015em; margin: 0; line-height: 1.05;
}
.grid p { margin: 0; color: var(--ink-soft); max-width: 42ch; text-wrap: pretty; }
.grid .body-lg { font-size: clamp(15px, 1.25vw, 17px); color: var(--ink); }

/* The tall cell earns its height with a real 9:16 frame, not empty space. */
.frame { margin: auto 0 0; display: flex; flex-direction: column; align-items: center; gap: 12px; }
.frame .screen {
  width: min(148px, 42%);
  aspect-ratio: 9 / 16;
  border: 1px solid var(--ink);
  display: grid; place-items: center;
  background:
    repeating-linear-gradient(135deg,
      transparent 0 9px,
      color-mix(in oklab, var(--ink) 5%, transparent) 9px 18px);
}
.frame .screen span {
  font-family: var(--mono); font-size: 12px;
  letter-spacing: 0.08em; color: var(--ink-soft);
}
.frame figcaption {
  font-family: var(--mono); font-size: 10px;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--ink-soft); text-align: center;
}

.grid .meta {
  margin-top: auto; padding-top: 14px;
  font-family: var(--mono); font-size: 11px;
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-soft);
  border-top: 1px solid var(--rule);
}

/* ---------- pipeline ---------- */

.pipeline { padding: clamp(56px, 10vh, 110px) var(--pad); border-top: 1px solid var(--rule); }

.stages {
  list-style: none; margin: 0; padding: 0;
  counter-reset: stage;
}
.stages li {
  counter-increment: stage;
  display: grid;
  grid-template-columns: 60px minmax(120px, 200px) 1fr;
  gap: clamp(14px, 3vw, 40px);
  align-items: baseline;
  padding: clamp(20px, 3.4vh, 32px) 0;
  border-top: 1px solid var(--rule);
  transition: padding-left 0.22s, background 0.22s;
}
.stages li:last-child { border-bottom: 1px solid var(--rule); }
.stages li:hover { padding-left: 14px; background: color-mix(in oklab, var(--ink) 3%, transparent); }

.stages li::before {
  content: counter(stage, decimal-leading-zero);
  font-family: var(--mono); font-size: 12px;
  color: var(--signal); letter-spacing: 0.1em;
}
.stages b {
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(20px, 2.4vw, 30px);
  letter-spacing: -0.01em; font-weight: 400;
}
.stages span { color: var(--ink-soft); text-wrap: pretty; }

/* ---------- contact ---------- */

.contact {
  padding: clamp(60px, 13vh, 140px) var(--pad);
  border-top: 1px solid var(--rule);
  text-align: left;
}
.contact h2 {
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(30px, 5.4vw, 68px);
  line-height: 1.02; letter-spacing: -0.024em;
  margin: 0; max-width: 18ch;
}
.contact .sub { margin: 22px 0 34px; color: var(--ink-soft); max-width: 48ch; }
.contact .mail {
  font-family: var(--serif);
  font-size: clamp(24px, 4vw, 46px);
  color: var(--signal); text-decoration: none;
  border-bottom: 2px solid var(--signal);
  padding-bottom: 4px;
  display: inline-block;
  transition: opacity 0.2s;
}
.contact .mail:hover { opacity: 0.7; }
.contact .mail:focus-visible { outline: 2px solid var(--signal); outline-offset: 4px; }

/* ---------- footer ---------- */

.foot {
  display: flex; flex-wrap: wrap; gap: 10px 26px;
  justify-content: space-between;
  padding: 22px var(--pad) 34px;
  border-top: 1px solid var(--rule);
  font-family: var(--mono); font-size: 11px;
  letter-spacing: 0.07em; color: var(--ink-soft);
}
.foot p { margin: 0; }

/* ---------- responsive ---------- */

@media (max-width: 780px) {
  .grid { grid-template-columns: 1fr; }
  .grid li.tall { grid-row: span 1; }
  .stages li {
    grid-template-columns: 44px 1fr;
    grid-template-areas: "num title" ".  desc";
  }
  .stages li::before { grid-area: num; }
  .stages b { grid-area: title; }
  .stages span { grid-area: desc; }
}

@media (max-width: 460px) {
  .nav nav { gap: 14px; }
  .nav nav a { font-size: 11px; }
  .hero-foot { align-items: flex-start; }
}