/* ══════════════════════════════════════════════════════════════════════════
   Dev Services — one stylesheet, no build step.
   Order: tokens → base → primitives → sections → responsive.
   ══════════════════════════════════════════════════════════════════════════ */

/* ─── tokens ──────────────────────────────────────────────────────────────
   Ported as-is from the Modernist design system. Change a colour here and it
   changes everywhere; nothing below hard-codes one. */

:root {
  --color-bg: #f3f2f2;
  --color-surface: #eae9e9;
  --color-text: #201e1d;
  --color-accent: #ec3013;

  --color-accent-100: #fff2ef;
  --color-accent-200: #ffe0d9;
  --color-accent-300: #ffc4b8;
  --color-accent-400: #ff9783;
  --color-accent-500: #ff563c;
  --color-accent-600: #dd2b0f;
  --color-accent-700: #ae1800;
  --color-accent-800: #7c1405;
  --color-accent-900: #4d170e;

  --color-neutral-100: #f8f4f4;
  --color-neutral-200: #eae7e7;
  --color-neutral-300: #d7d3d3;
  --color-neutral-400: #bab6b6;
  --color-neutral-500: #9b9797;
  --color-neutral-600: #7d7979;
  --color-neutral-700: #605d5d;
  --color-neutral-800: #444141;
  --color-neutral-900: #2d2b2b;

  --font-heading: 'Archivo', system-ui, sans-serif;
  --font-body: 'Archivo', system-ui, sans-serif;

  /* Page-level roles built on the tokens above. */
  --ink-70: color-mix(in srgb, var(--color-text) 72%, transparent);
  --ink-50: color-mix(in srgb, var(--color-text) 52%, transparent);
  --rule: color-mix(in srgb, var(--color-text) 38%, transparent);
  --rule-soft: color-mix(in srgb, var(--color-text) 16%, transparent);
  --tint: color-mix(in srgb, var(--color-accent) 9%, transparent);
  --accent-ink: var(--color-accent-700);

  --page-max: 1360px;
  --page-pad: clamp(20px, 4vw, 56px);
  --header-h: 74px;
}

:root[data-theme='dark'] {
  --color-bg: #131110;
  --color-surface: #1c1a19;
  --color-text: #f2efee;
  --ink-70: color-mix(in srgb, var(--color-text) 70%, transparent);
  --ink-50: color-mix(in srgb, var(--color-text) 46%, transparent);
  --rule: color-mix(in srgb, var(--color-text) 30%, transparent);
  --rule-soft: color-mix(in srgb, var(--color-text) 13%, transparent);
  --tint: color-mix(in srgb, var(--color-accent) 16%, transparent);
  --accent-ink: var(--color-accent-500);
}

/* ─── base ──────────────────────────────────────────────────────────────── */

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.55;
  background: var(--color-bg);
  color: var(--color-text);
  text-wrap: pretty;
  -webkit-font-smoothing: antialiased;
  transition: background 220ms linear, color 220ms linear;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-heading);
  font-weight: 800;
  margin: 0;
}

p,
dl,
dd {
  margin: 0;
}

ol,
ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: var(--accent-ink);
  text-decoration: none;
}

a:hover {
  color: var(--color-accent);
}

button {
  font: inherit;
}

:focus {
  outline: none;
}

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

::selection {
  background: var(--color-accent);
  color: #fff;
}

/* The sticky header is 74px tall, so anchor targets stop below it, not under it. */
[id] {
  scroll-margin-top: 90px;
}

/* ─── primitives ────────────────────────────────────────────────────────── */

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

.section-pad {
  padding-top: clamp(64px, 7vw, 104px);
  padding-bottom: clamp(56px, 6vw, 88px);
}

.accent {
  color: var(--color-accent);
}

.eyebrow {
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-50);
}

.eyebrow-accent {
  color: var(--accent-ink);
}

.section-title {
  font-size: clamp(30px, 3.6vw, 52px);
  line-height: 1.02;
  letter-spacing: -0.025em;
  margin-left: -0.04em;
  margin-top: 16px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: flex-start;
  gap: 6px;
  cursor: pointer;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 14px;
  line-height: 1.2;
  color: var(--color-text);
  background: transparent;
  border: 2px solid transparent;
  border-radius: 0;
  padding: 8px 14px;
  transition: background 140ms linear, border-color 140ms linear, color 140ms linear;
}

.btn-primary {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
}

.btn-primary:hover {
  background: var(--color-accent-600);
  border-color: var(--color-accent-600);
  color: #fff;
}

.btn-primary:active {
  background: var(--color-accent-700);
  border-color: var(--color-accent-700);
}

.btn-ghost {
  border-color: var(--rule);
  color: var(--color-text);
}

.btn-ghost:hover {
  background: var(--tint);
  border-color: var(--color-accent);
  color: var(--color-text);
}

.btn-invert {
  background: #fff;
  border-color: #fff;
  color: var(--color-accent);
}

.btn-invert:hover {
  background: rgba(255, 255, 255, 0.86);
  border-color: rgba(255, 255, 255, 0.86);
  color: var(--color-accent);
}

.icon-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: none;
  width: 40px;
  height: 40px;
  padding: 0;
  background: transparent;
  border: 2px solid var(--rule);
  border-radius: 0;
  color: var(--color-text);
  cursor: pointer;
  transition: border-color 140ms linear, background 140ms linear, color 140ms linear;
}

.icon-btn:hover {
  border-color: var(--color-accent);
  background: var(--tint);
  color: var(--color-accent);
}

/* One icon per state — CSS picks which, so no JS has to swap any markup. */
:root[data-theme='dark'] .icon-moon,
:root:not([data-theme='dark']) .icon-sun,
.menu-btn .icon-close,
.menu-btn[aria-expanded='true'] .icon-menu {
  display: none;
}

.menu-btn[aria-expanded='true'] .icon-close {
  display: block;
}

.tag {
  display: inline-flex;
  align-items: center;
  font-size: 11px;
  letter-spacing: 0.02em;
  padding: 3px 10px;
  border-radius: 0;
}

.tag-outline {
  border: 1px solid var(--color-accent);
  color: var(--color-accent);
}

.tag-accent {
  background: var(--color-accent-100);
  color: var(--color-accent-800);
}

:root[data-theme='dark'] .tag-accent {
  background: var(--tint);
  color: var(--color-accent-400);
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}

/* ─── header ────────────────────────────────────────────────────────────── */

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: color-mix(in srgb, var(--color-bg) 92%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 2px solid var(--rule);
}

.header-bar {
  display: flex;
  align-items: center;
  gap: 32px;
  height: var(--header-h);
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--color-text);
}

.brand:hover {
  color: var(--color-text);
}

.brand-logo {
  width: 42px;
  height: 42px;
  object-fit: contain;
}

.brand-lockup {
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.brand-name {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 17px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.brand-est {
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-50);
  margin-top: 5px;
}

.header-actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: clamp(14px, 2vw, 30px);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2vw, 30px);
}

.nav-links a {
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text);
  white-space: nowrap;
  padding: 6px 0;
  border-bottom: 2px solid transparent;
  transition: color 140ms linear, border-color 140ms linear;
}

.nav-links a:hover {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

.header-cta {
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  white-space: nowrap;
}

.menu-btn {
  display: none;
}

.mobile-nav {
  border-top: 1px solid var(--rule-soft);
  background: var(--color-bg);
}

.mobile-nav a {
  display: block;
  padding: 16px 0;
  font-size: 13px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-text);
  border-bottom: 1px solid var(--rule-soft);
}

.mobile-nav a:last-child {
  border-bottom: 0;
}

.mobile-nav a:hover {
  color: var(--color-accent);
}

/* ─── hero ──────────────────────────────────────────────────────────────── */

.hero {
  border-bottom: 2px solid var(--rule);
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(0, 0.85fr);
  gap: 0 clamp(28px, 4vw, 64px);
  align-items: stretch;
}

.hero-lead {
  padding: clamp(56px, 7vw, 104px) 0 clamp(40px, 5vw, 72px);
  animation: rise 620ms cubic-bezier(0.2, 0.7, 0.2, 1) both;
}

.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 28px;
}

.hero-bar {
  display: block;
  flex: none;
  width: 44px;
  height: 2px;
  background: var(--color-accent);
}

.hero-headline {
  font-size: clamp(44px, 7vw, 104px);
  line-height: 0.98;
  letter-spacing: -0.03em;
  margin-left: -0.05em;
}

.hero-headline span {
  display: block;
}

.hero-copy {
  font-size: clamp(16px, 1.35vw, 19px);
  line-height: 1.65;
  max-width: 52ch;
  margin-top: clamp(28px, 3vw, 40px);
  color: var(--ink-70);
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 36px;
}

.hero-aside {
  display: flex;
  flex-direction: column;
  justify-content: center;
  border-left: 2px solid var(--rule);
  padding: clamp(56px, 7vw, 104px) 0 clamp(40px, 5vw, 72px) clamp(24px, 3vw, 44px);
}

.hero-aside-label {
  margin-bottom: 22px;
}

.deliverables li {
  display: flex;
  gap: 14px;
  align-items: baseline;
  padding: 14px 0;
  border-top: 1px solid var(--rule-soft);
  font-size: 15px;
  line-height: 1.5;
}

.deliverables li:last-child {
  border-bottom: 1px solid var(--rule-soft);
}

.deliverable-num {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 12px;
  color: var(--color-accent);
  min-width: 22px;
}

/* ─── ticker ────────────────────────────────────────────────────────────── */

.ticker {
  background: var(--color-accent);
  color: #fff;
  overflow: hidden;
  border-bottom: 2px solid var(--rule);
}

.ticker-track {
  display: flex;
  width: max-content;
  padding: 13px 0;
  animation: ticker 34s linear infinite;
}

.ticker-group {
  display: flex;
  align-items: center;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 13px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  white-space: nowrap;
}

.ticker-item {
  padding: 0 26px;
}

.ticker-slash {
  opacity: 0.6;
}

/* ─── metrics ───────────────────────────────────────────────────────────── */

.metrics {
  border-bottom: 2px solid var(--rule);
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.metric {
  padding: clamp(36px, 4vw, 60px) 28px;
  border-left: 2px solid var(--rule-soft);
}

.metric:first-child {
  padding-left: 0;
  border-left: 0;
}

.metric:last-child {
  padding-right: 0;
}

.metric-value {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: clamp(48px, 6vw, 84px);
  line-height: 0.9;
  letter-spacing: -0.04em;
}

.metric:first-child .metric-value {
  margin-left: -0.05em;
}

.metric-label {
  margin-top: 18px;
}

/* ─── capabilities ──────────────────────────────────────────────────────── */

.capabilities {
  border-bottom: 2px solid var(--rule);
}

.capabilities-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
  gap: 24px clamp(28px, 4vw, 64px);
  align-items: end;
  margin-bottom: clamp(40px, 4vw, 64px);
}

.capabilities-intro {
  font-size: 16px;
  line-height: 1.65;
  color: var(--ink-70);
  max-width: 48ch;
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 2px solid var(--rule);
}

.capability {
  padding: 32px 28px 40px;
  border-left: 1px solid var(--rule-soft);
  border-bottom: 1px solid var(--rule-soft);
  transition: background 160ms linear;
}

/* Six cells over three columns: drop the outer padding so the grid stays
   flush with the page margins on both sides. */
.capability:nth-child(3n + 1) {
  padding-left: 0;
  border-left: 0;
}

.capability:nth-child(3n) {
  padding-right: 0;
}

.capability:hover {
  background: var(--tint);
}

.capability-icon {
  display: block;
  color: var(--color-accent);
  margin-bottom: 22px;
}

.capability h3 {
  font-size: 19px;
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin-bottom: 12px;
}

.capability p {
  font-size: 15px;
  line-height: 1.65;
  color: var(--ink-70);
  max-width: 38ch;
}

/* ─── featured work ─────────────────────────────────────────────────────── */

.work {
  border-bottom: 2px solid var(--rule);
}

.work-head {
  display: flex;
  flex-wrap: wrap;
  gap: 20px 40px;
  align-items: end;
  justify-content: space-between;
  margin-bottom: clamp(36px, 4vw, 56px);
}

.project {
  display: grid;
  grid-template-columns: 92px minmax(0, 340px) minmax(0, 1fr);
  gap: 20px clamp(20px, 3vw, 56px);
  padding: clamp(32px, 3.5vw, 48px) 0;
  border-top: 1px solid var(--rule-soft);
  transition: background 160ms linear;
}

.project:first-of-type {
  border-top: 2px solid var(--rule);
}

.project:last-of-type {
  border-bottom: 2px solid var(--rule);
}

.project:hover {
  background: var(--tint);
}

.project-index {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 40px;
  line-height: 0.9;
  letter-spacing: -0.04em;
  color: var(--color-accent);
}

.project-category {
  margin-bottom: 12px;
}

.project-title {
  font-size: clamp(22px, 2vw, 28px);
  line-height: 1.15;
  letter-spacing: -0.015em;
}

.project-subtitle {
  font-size: 13px;
  line-height: 1.5;
  color: var(--ink-50);
  margin-top: 8px;
}

.project-body {
  font-size: 16px;
  line-height: 1.7;
  color: var(--ink-70);
  max-width: 56ch;
}

/* ─── stack ─────────────────────────────────────────────────────────────── */

.stack {
  border-bottom: 2px solid var(--rule);
}

.stack .section-pad {
  padding-top: clamp(56px, 6vw, 88px);
}

.stack-title {
  margin-bottom: clamp(36px, 4vw, 56px);
}

.stack-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 2px solid var(--rule);
}

.stack-col {
  padding: 26px 24px 32px;
  border-left: 1px solid var(--rule-soft);
}

.stack-col:first-child {
  padding-left: 0;
  border-left: 0;
}

.stack-col:last-child {
  padding-right: 0;
}

.stack-heading {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 18px;
}

.stack-col ul {
  font-size: 15px;
  line-height: 2;
  color: var(--ink-70);
}

/* ─── about ─────────────────────────────────────────────────────────────── */

.about {
  border-bottom: 2px solid var(--rule);
}

.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: 32px clamp(28px, 5vw, 88px);
  align-items: start;
  padding-top: clamp(64px, 7vw, 104px);
  padding-bottom: clamp(64px, 7vw, 104px);
}

.facts {
  display: flex;
  flex-direction: column;
  margin-top: 32px;
  border-top: 2px solid var(--rule);
}

.fact {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 14px 0;
  border-bottom: 1px solid var(--rule-soft);
  font-size: 13px;
}

.fact dt {
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-50);
}

.fact dd {
  text-align: right;
}

.about-lead {
  font-size: clamp(17px, 1.5vw, 21px);
  line-height: 1.6;
  max-width: 54ch;
}

.about-body {
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink-70);
  max-width: 56ch;
  margin-top: 28px;
}

.about-tags {
  margin-top: 32px;
}

/* ─── contact ───────────────────────────────────────────────────────────── */

.contact {
  background: var(--color-accent);
  color: #fff;
}

.contact-inner {
  padding-top: clamp(64px, 7vw, 112px);
  padding-bottom: clamp(64px, 7vw, 112px);
}

.contact-title {
  font-size: clamp(38px, 6vw, 92px);
  line-height: 0.98;
  letter-spacing: -0.03em;
  margin-left: -0.05em;
  max-width: 20ch;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 36px clamp(24px, 4vw, 56px);
  margin-top: clamp(48px, 5vw, 72px);
  border-top: 2px solid rgba(255, 255, 255, 0.55);
  padding-top: 36px;
}

.contact-label {
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  opacity: 0.8;
  margin-bottom: 16px;
}

.contact-text {
  font-size: 16px;
  line-height: 1.7;
}

.contact-link,
.contact-mail {
  color: #fff;
  transition: opacity 140ms linear;
}

.contact-mail {
  text-decoration: underline;
  text-underline-offset: 4px;
}

.contact-link:hover,
.contact-mail:hover {
  color: #fff;
  opacity: 0.75;
}

.contact-action {
  display: flex;
  align-items: start;
}

.contact :focus-visible {
  outline-color: #fff;
}

/* ─── footer ────────────────────────────────────────────────────────────── */

.site-footer {
  border-top: 2px solid var(--rule);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 32px;
  justify-content: space-between;
  align-items: center;
  padding-top: 32px;
  padding-bottom: 32px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ink-50);
}

.footer-tagline {
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

/* ─── animation ─────────────────────────────────────────────────────────── */

@keyframes ticker {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
  }
  html {
    scroll-behavior: auto;
  }
}

/* ─── responsive ────────────────────────────────────────────────────────── */

@media (max-width: 1080px) {
  .stack-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .stack-col:nth-child(2n + 1) {
    padding-left: 0;
    border-left: 0;
  }

  .stack-col:nth-child(2n) {
    padding-right: 0;
  }

  .stack-col:nth-child(n + 3) {
    border-top: 1px solid var(--rule-soft);
  }
}

/* Below 900px every grid falls to one column, and the vertical dividers
   become horizontal ones so the rule-based rhythm still reads. */
@media (max-width: 899px) {
  .header-bar {
    gap: 16px;
  }

  .nav-links {
    display: none;
  }

  .menu-btn {
    display: flex;
  }

  .hero-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero-lead {
    padding-bottom: clamp(32px, 5vw, 48px);
  }

  .hero-aside {
    border-left: 0;
    border-top: 2px solid var(--rule);
    padding: clamp(32px, 6vw, 48px) 0 clamp(40px, 6vw, 64px);
  }

  .metrics-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .metric {
    padding: clamp(28px, 6vw, 40px) 0;
    border-left: 0;
    border-top: 1px solid var(--rule-soft);
  }

  .metric:first-child {
    border-top: 0;
  }

  .capabilities-head {
    grid-template-columns: minmax(0, 1fr);
    align-items: start;
  }

  .capability-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .capability,
  .capability:nth-child(3n + 1),
  .capability:nth-child(3n) {
    padding: 28px 0 32px;
    border-left: 0;
  }

  .project {
    grid-template-columns: minmax(0, 1fr);
    gap: 16px;
  }

  .project-index {
    font-size: 28px;
  }

  .stack-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .stack-col,
  .stack-col:nth-child(2n + 1),
  .stack-col:nth-child(2n) {
    padding: 24px 0 28px;
    border-left: 0;
    border-top: 1px solid var(--rule-soft);
  }

  .stack-col:first-child {
    border-top: 0;
  }

  .about-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 40px;
  }

  .contact-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 560px) {
  .header-cta,
  .brand-est {
    display: none;
  }
}