/* Cobotic. Tokens and rules in DESIGN.md at the project root. */
:root {
  --ink: #0B1F2A;
  --text: #3D4B55;
  --muted: #5E6B74;
  --accent: #0E7C7B;
  --accent-strong: #0A6362;
  --tint: #E6F4F3;
  --line: #E3E8EA;
  --bg: #FFFFFF;
  --error: #B42318;
  --r-ctl: 10px;
  --r-media: 16px;
  --wrap: 1200px;
  --gutter: clamp(16px, 4vw, 40px);
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Schibsted Grotesk", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { display: block; max-width: 100%; height: auto; }
a { color: var(--accent); text-decoration: none; }
a:not(.btn):hover { color: var(--accent-strong); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

h1, h2, h3, .h3 { color: var(--ink); margin: 0; font-weight: 600; letter-spacing: -0.03em; text-wrap: balance; }
h1 { font-size: clamp(2.4rem, 4.2vw, 3.6rem); line-height: 1.05; }
h2 { font-size: clamp(1.9rem, 3.2vw, 2.75rem); line-height: 1.1; }
h3, .h3 { font-size: 1.25rem; line-height: 1.3; letter-spacing: -0.015em; }
p { margin: 0; text-wrap: pretty; }

section[id] { scroll-margin-top: 84px; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); }
.skip { position: absolute; left: -9999px; top: 8px; background: var(--ink); color: #fff; padding: 8px 14px; border-radius: var(--r-ctl); z-index: 100; }
.skip:focus { left: 8px; }
a.skip:hover, a.skip:focus { color: #fff; }

/* Nav */
.nav { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,0.92); backdrop-filter: saturate(160%) blur(10px); -webkit-backdrop-filter: saturate(160%) blur(10px); border-bottom: 1px solid transparent; transition: border-color .3s var(--ease); }
.nav.is-scrolled { border-bottom-color: var(--line); }
.nav .wrap { height: 68px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); font-weight: 600; font-size: 1.15rem; letter-spacing: -0.02em; }
.brand:hover { color: var(--ink); }
.brand svg { width: 26px; height: 26px; flex: none; }
.nav-links { display: flex; align-items: center; gap: clamp(16px, 3vw, 32px); }
.nav-links a:not(.btn) { color: var(--text); font-size: 0.95rem; font-weight: 500; }
.nav-links a:not(.btn):hover, .nav-links a[aria-current="page"] { color: var(--ink); }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; white-space: nowrap; font: inherit; font-weight: 500; font-size: 0.98rem; line-height: 1; padding: 14px 22px; border-radius: var(--r-ctl); border: 1px solid var(--ink); background: var(--ink); color: #fff; cursor: pointer; transition: background .25s var(--ease), border-color .25s var(--ease), transform .15s var(--ease); }
.btn:hover, a.btn:hover { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn:active { transform: translateY(1px); }
.btn-sm { padding: 10px 16px; font-size: 0.92rem; }
.btn[disabled] { opacity: .55; cursor: progress; }
.link-arrow { display: inline-flex; align-items: center; gap: 6px; font-weight: 500; }
.link-arrow i { transition: transform .25s var(--ease); }
.link-arrow:hover i { transform: translateX(3px); }

/* Hero */
.hero { padding: clamp(40px, 6vw, 88px) 0 clamp(64px, 8vw, 112px); }
.hero .wrap { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: clamp(32px, 6vw, 88px); align-items: center; }
.hero-copy p { font-size: 1.2rem; line-height: 1.6; color: var(--text); max-width: 34ch; margin-top: 24px; }
.hero-actions { display: flex; align-items: center; gap: 28px; margin-top: 36px; flex-wrap: wrap; }
.hero-media { border-radius: var(--r-media); overflow: hidden; aspect-ratio: 4 / 5; background: var(--tint); max-height: 640px; }
.hero-media img { width: 100%; height: 100%; object-fit: cover; }

/* Statement band */
.band { background: var(--tint); padding: clamp(72px, 10vw, 136px) 0; }
.band p { color: var(--ink); font-size: clamp(1.6rem, 3.1vw, 2.6rem); line-height: 1.3; letter-spacing: -0.025em; font-weight: 500; max-width: 24ch; }
.band .line { display: block; }

/* What we do */
.services { padding: clamp(80px, 10vw, 140px) 0; }
.services .wrap { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 6vw, 96px); align-items: start; }
.services-media { border-radius: var(--r-media); overflow: hidden; aspect-ratio: 4 / 5; position: sticky; top: 100px; }
.services-media img { width: 100%; height: 100%; object-fit: cover; object-position: 38% 50%; }
.services h2 { max-width: 14ch; }
.service-list { list-style: none; margin: 48px 0 0; padding: 0; }
.service-list li { padding: 32px 0; border-top: 1px solid var(--line); display: grid; grid-template-columns: 40px 1fr; gap: 16px; }
.service-list li:first-child { border-top: 0; padding-top: 0; }
.service-list i { font-size: 26px; color: var(--accent); line-height: 1.3; }
.service-list p { margin-top: 8px; max-width: 46ch; }

/* Principles */
.principles { padding: 0 0 clamp(80px, 10vw, 140px); }
.principles h2 { margin-bottom: 56px; }
.principle { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr); gap: clamp(24px, 5vw, 80px); padding: 36px 0; border-top: 1px solid var(--line); align-items: baseline; }
.principle h3 { font-size: clamp(1.5rem, 2.6vw, 2.1rem); line-height: 1.15; letter-spacing: -0.025em; }
.principle p { color: var(--text); max-width: 44ch; }

/* Contact */
.contact { padding: clamp(80px, 10vw, 128px) 0; border-top: 1px solid var(--line); }
.contact .wrap { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: clamp(32px, 6vw, 96px); }
.contact h2 { max-width: 13ch; }
.contact-intro p { margin-top: 20px; max-width: 36ch; }
.form { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.field { display: grid; gap: 8px; }
.field.full { grid-column: 1 / -1; }
.field label { color: var(--ink); font-size: 0.92rem; font-weight: 500; }
.field .opt { color: var(--muted); font-weight: 400; }
.field input, .field textarea { font: inherit; font-size: 1rem; color: var(--ink); background: #fff; border: 1px solid #85939A; border-radius: var(--r-ctl); padding: 13px 14px; width: 100%; transition: border-color .2s var(--ease), box-shadow .2s var(--ease); }
.field textarea { min-height: 150px; resize: vertical; }
.field input::placeholder, .field textarea::placeholder { color: #6B7780; }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(14,124,123,0.18); }
.field [aria-invalid="true"] { border-color: var(--error); }
.err { color: var(--error); font-size: 0.88rem; min-height: 0; }
.err:empty { display: none; }
.form-foot { grid-column: 1 / -1; display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-top: 4px; }
.form-foot small { color: var(--muted); font-size: 0.88rem; }
.form-status { grid-column: 1 / -1; color: var(--error); font-size: 0.95rem; }
.form-status:empty { display: none; }
.sent { display: none; padding: 40px; border-radius: var(--r-media); background: var(--tint); }
.sent i { font-size: 32px; color: var(--accent); }
.sent h3 { margin-top: 16px; }
.sent p { margin-top: 8px; }
.is-sent .form { display: none; }
.is-sent .sent { display: block; }

/* Use cases page */
.page-head { padding: clamp(48px, 7vw, 104px) 0 clamp(40px, 5vw, 64px); }
.page-head p { font-size: 1.2rem; max-width: 46ch; margin-top: 20px; }
.cases { padding-bottom: clamp(80px, 10vw, 128px); }
.case-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 20px; }
.case { border-radius: var(--r-media); padding: 32px; min-height: 260px; display: flex; flex-direction: column; justify-content: space-between; gap: 32px; border: 1px solid var(--line); background: #fff; }
.case:nth-child(1) { grid-column: span 4; background: var(--tint); border-color: transparent; }
.case:nth-child(2) { grid-column: span 2; }
.case:nth-child(3) { grid-column: span 2; }
.case:nth-child(4) { grid-column: span 4; background: var(--ink); border-color: transparent; }
.case:nth-child(4) .h3, .case:nth-child(4) p { color: #fff; }
.case:nth-child(4) .soon { color: #9ED9D3; }
.case:nth-child(4) i { color: #5FD1C4; }
.case i { font-size: 30px; color: var(--accent); }
.case p { margin-top: 8px; max-width: 40ch; }
.soon { font-size: 0.9rem; font-weight: 500; color: var(--accent-strong); }
.cta-strip { border-top: 1px solid var(--line); padding: clamp(56px, 7vw, 88px) 0; }
.cta-strip .wrap { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }

/* Footer */
.foot { border-top: 1px solid var(--line); padding: 40px 0 48px; font-size: 0.92rem; color: var(--muted); }
.foot .wrap { display: flex; justify-content: space-between; align-items: flex-start; gap: 24px; flex-wrap: wrap; }
.foot .brand { font-size: 1rem; }
.foot .brand svg { width: 22px; height: 22px; }
.foot p { margin-top: 12px; max-width: 52ch; }
.foot nav { display: flex; gap: 24px; }
.foot nav a { color: var(--text); }

/* Responsive */
@media (max-width: 900px) {
  .hero .wrap, .services .wrap, .contact .wrap { grid-template-columns: 1fr; }
  .hero-media { aspect-ratio: 4 / 3; max-height: none; }
  .services-media { position: static; aspect-ratio: 16 / 10; }
  .principle { grid-template-columns: 1fr; gap: 10px; }
  .case-grid { grid-template-columns: 1fr; }
  .case:nth-child(n) { grid-column: auto; min-height: 0; }
}
@media (max-width: 560px) {
  body { font-size: 16px; }
  .nav-links .hide-sm { display: none; }
  .form { grid-template-columns: 1fr; }
  .hero-actions { gap: 20px; }
}