/* ---------- Tokens ---------- */
:root {
  --bg: #f5f1ea;
  --bg-alt: #ebe5da;
  --ink: #141414;
  --muted: #5e5a54;
  --line: rgba(20, 20, 20, 0.14);
  --accent: #ff5a36;
  --dark: #121212;
  --dark-ink: #f5f1ea;
  --radius: 14px;
  --serif: "Fraunces", Georgia, serif;
  --sans: "Inter", system-ui, -apple-system, sans-serif;
  --gutter: clamp(16px, 4vw, 48px);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111110;
    --bg-alt: #1a1a18;
    --ink: #f2eee7;
    --muted: #a39e95;
    --line: rgba(242, 238, 231, 0.14);
    --dark: #f2eee7;
    --dark-ink: #111110;
  }
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 400 17px/1.6 var(--sans);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
h1, h2, h3 { font-family: var(--serif); font-weight: 400; line-height: 1.05; margin: 0; letter-spacing: -0.02em; }
h2 { font-size: clamp(2.2rem, 5vw, 3.6rem); }
h3 { font-size: 1.5rem; }
em { font-style: italic; color: var(--accent); }
p { margin: 0 0 1em; }
a { color: inherit; }
img { max-width: 100%; display: block; }

.wrap { width: 100%; max-width: 1240px; margin: 0 auto; padding: 0 var(--gutter); }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 16px; z-index: 100; background: var(--ink); color: var(--bg); padding: 8px 12px; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

.eyebrow { text-transform: uppercase; letter-spacing: 0.14em; font-size: 0.78rem; font-weight: 600; color: var(--muted); margin-bottom: 1.2rem; }
.lede { font-size: 1.15rem; color: var(--muted); max-width: 34ch; margin: 0; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: .5em;
  padding: 14px 26px; border-radius: 999px; border: 0;
  background: var(--ink); color: var(--bg);
  font: 500 0.95rem var(--sans); text-decoration: none; cursor: pointer;
  transition: transform .2s ease, background .2s ease;
}
.btn:hover { transform: translateY(-2px); background: var(--accent); color: #fff; }
.btn--small { padding: 10px 18px; }
.btn--light { background: var(--dark-ink); color: var(--dark); }
.link-arrow { text-decoration: none; font-weight: 500; }
.link-arrow span { display: inline-block; transition: transform .2s ease; }
.link-arrow:hover span { transform: translateX(4px); }

/* ---------- Nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s ease;
}
.nav.is-scrolled { border-color: var(--line); }
.nav__inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.logo { font: 600 1.25rem var(--sans); text-decoration: none; letter-spacing: -0.02em; display: flex; align-items: center; gap: 6px; }
.logo__icon { width: 36px; height: 36px; margin-right: 6px; border-radius: 23%; box-shadow: 0 0 0 1px var(--line); transition: transform .3s ease; }
.logo:hover .logo__icon { transform: rotate(-6deg) scale(1.05); }
.logo__thin { font-weight: 400; color: var(--muted); margin-left: 4px; }
.nav__menu { display: flex; align-items: center; gap: 32px; }
.nav__menu a:not(.btn) { text-decoration: none; font-weight: 500; font-size: .95rem; position: relative; }
.nav__menu a:not(.btn)::after { content: ""; position: absolute; left: 0; bottom: -4px; width: 100%; height: 1px; background: currentColor; transform: scaleX(0); transform-origin: left; transition: transform .25s ease; }
.nav__menu a:not(.btn):hover::after { transform: scaleX(1); }
.nav__toggle { display: none; background: none; border: 0; width: 40px; height: 40px; cursor: pointer; padding: 0; position: relative; }
.nav__toggle span { position: absolute; left: 8px; right: 8px; height: 2px; background: var(--ink); transition: transform .25s ease, top .25s ease; }
.nav__toggle span:first-child { top: 15px; }
.nav__toggle span:last-child { top: 23px; }
.nav__toggle[aria-expanded="true"] span:first-child { top: 19px; transform: rotate(45deg); }
.nav__toggle[aria-expanded="true"] span:last-child { top: 19px; transform: rotate(-45deg); }

/* ---------- Hero ---------- */
.hero { padding: clamp(64px, 12vw, 140px) 0 0; border-bottom: 1px solid var(--line); }
.hero__title { font-size: clamp(3.2rem, 11vw, 9.5rem); line-height: .95; letter-spacing: -0.04em; margin-bottom: clamp(40px, 6vw, 72px); }
.hero__foot { display: flex; justify-content: space-between; align-items: flex-end; gap: 32px; flex-wrap: wrap; padding-bottom: clamp(56px, 8vw, 96px); }
.hero__ctas { display: flex; align-items: center; gap: 28px; }

/* ---------- Sections ---------- */
.section { padding: clamp(72px, 11vw, 140px) 0; }
.section--alt { background: var(--bg-alt); }
.section--dark { background: var(--dark); color: var(--dark-ink); }
.section--dark .eyebrow, .section--dark p { color: color-mix(in srgb, var(--dark-ink) 70%, transparent); }
.section__head { display: flex; justify-content: space-between; align-items: end; gap: 24px; flex-wrap: wrap; margin-bottom: clamp(36px, 5vw, 64px); }

/* ---------- ThingWorx ---------- */
.twx { display: grid; grid-template-columns: 1.4fr 1fr; gap: clamp(40px, 8vw, 120px); align-items: center; margin-bottom: clamp(48px, 7vw, 88px); }
.twx__intro h2 { margin-bottom: 24px; }
.twx__intro p:not(.eyebrow) { max-width: 52ch; margin-bottom: 32px; }
.twx__stat { display: flex; flex-direction: column; gap: 8px; border-left: 1px solid color-mix(in srgb, var(--dark-ink) 20%, transparent); padding-left: clamp(24px, 4vw, 48px); }
.twx__num { font: 400 clamp(6rem, 14vw, 11rem) var(--serif); line-height: .9; color: var(--accent); letter-spacing: -0.04em; }
.twx__label { font-size: 1.05rem; color: color-mix(in srgb, var(--dark-ink) 70%, transparent); }
.twx__grid { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: color-mix(in srgb, var(--dark-ink) 16%, transparent); border: 1px solid color-mix(in srgb, var(--dark-ink) 16%, transparent); border-radius: var(--radius); overflow: hidden; }
.twx__grid li { background: var(--dark); padding: clamp(24px, 3vw, 36px); transition: background .25s ease; }
.twx__grid li:hover { background: color-mix(in srgb, var(--dark-ink) 6%, var(--dark)); }
.twx__grid h3 { font-size: 1.35rem; margin-bottom: 10px; }
.twx__grid p { margin: 0; font-size: .95rem; }

/* ---------- Work ---------- */
.grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: clamp(20px, 3vw, 36px); }
.card__media { aspect-ratio: 4 / 3; border-radius: var(--radius); overflow: hidden; display: grid; place-items: center; }
.card__media--rockpin { background: radial-gradient(circle at 30% 25%, #6fd6aa, #0f8a5f 70%); }
.card__media--dmc { background: radial-gradient(circle at 70% 25%, #9aa3ff, #2d3bff 70%); }
.card__art { width: 100%; height: 100%; transition: transform .6s cubic-bezier(.2,.7,.2,1); }
.card:hover .card__art { transform: scale(1.05); }
.card__body { padding-top: 18px; }
.card__meta { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; flex-wrap: wrap; margin-bottom: 10px; }
.card__meta h3 { font-size: 1.6rem; }
.card__meta p { margin: 0; color: var(--muted); font-size: .92rem; }
.card__desc { color: var(--muted); max-width: 56ch; }
.tags { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.tags li { border: 1px solid var(--line); border-radius: 999px; padding: 4px 12px; font-size: .82rem; font-weight: 500; }

/* ---------- Services ---------- */
.services { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.service { display: grid; grid-template-columns: 80px 1fr 1.2fr; gap: 24px; align-items: baseline; padding: 32px 0; border-bottom: 1px solid var(--line); transition: padding .3s ease; }
.service:hover { padding-left: 12px; }
.service__num { font-size: .85rem; color: var(--muted); font-weight: 600; }
.service h3 { font-size: clamp(1.6rem, 3vw, 2.4rem); }
.service p { margin: 0; color: var(--muted); }

/* ---------- About ---------- */
.about { display: grid; grid-template-columns: 1.1fr 1fr; gap: clamp(40px, 8vw, 120px); align-items: center; }
.about__text h2 { margin-bottom: 28px; }
.about__text p { color: var(--muted); max-width: 52ch; }

.process__title { font-size: 1.1rem; font-family: var(--sans); font-weight: 600; margin-bottom: 24px; }
.process__steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; counter-reset: step; }
.process__steps li { background: var(--bg); border-radius: var(--radius); padding: 24px; counter-increment: step; display: flex; flex-direction: column; gap: 8px; }
.process__steps li::before { content: "0" counter(step); color: var(--accent); font-weight: 600; font-size: .85rem; }
.process__steps strong { font: 400 1.5rem var(--serif); }
.process__steps span { color: var(--muted); font-size: .95rem; }

/* ---------- Contact ---------- */
.contact { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px, 8vw, 120px); }
.contact h2 { margin-bottom: 24px; }
.contact__email { display: inline-block; margin-top: 12px; font: 400 clamp(1.3rem, 2.5vw, 1.8rem) var(--serif); text-decoration-thickness: 1px; text-underline-offset: 6px; }
.form { display: grid; gap: 20px; }
.field { display: grid; gap: 8px; }
.field label { font-size: .85rem; font-weight: 500; opacity: .8; }
.field input, .field select, .field textarea {
  width: 100%; background: transparent; color: inherit;
  border: 0; border-bottom: 1px solid color-mix(in srgb, var(--dark-ink) 30%, transparent);
  padding: 10px 0; font: 400 1.05rem var(--sans); border-radius: 0; resize: vertical;
  transition: border-color .2s ease;
}
.field select option { color: #141414; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--accent); }
.field.is-invalid input, .field.is-invalid textarea { border-color: var(--accent); }
.form .btn { justify-self: start; margin-top: 8px; }
.form__status { min-height: 1.6em; margin: 0; font-size: .95rem; }

/* ---------- Footer ---------- */
.footer { padding: 32px 0; border-top: 1px solid var(--line); font-size: .92rem; }
.footer__inner { display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap; }
.footer nav { display: flex; gap: 24px; }
.footer a { text-decoration: none; color: var(--muted); }
.footer a:hover { color: var(--ink); }
.footer__legal { margin: 20px 0 0; padding-top: 20px; border-top: 1px solid var(--line); color: var(--muted); font-size: .8rem; }

/* ---------- Reveal ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .8s ease, transform .8s cubic-bezier(.2,.7,.2,1); }
.reveal.is-visible { opacity: 1; transform: none; }
.no-js .reveal { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .about, .contact, .twx { grid-template-columns: 1fr; }
  .twx__stat { border-left: 0; padding-left: 0; }
  .twx__grid { grid-template-columns: repeat(2, 1fr); }
  .service { grid-template-columns: 50px 1fr; }
  .service p { grid-column: 2; }
}

@media (max-width: 720px) {
  .nav__toggle { display: block; }
  .nav__menu {
    position: fixed; inset: 72px 0 auto 0; flex-direction: column; align-items: flex-start; gap: 20px;
    background: var(--bg); padding: 24px var(--gutter) 32px; border-bottom: 1px solid var(--line);
    transform: translateY(-120%); visibility: hidden; transition: transform .3s ease, visibility .3s;
  }
  .nav__menu.is-open { transform: none; visibility: visible; }
  .nav__menu a:not(.btn) { font-size: 1.4rem; font-family: var(--serif); }
  .grid, .twx__grid, .process__steps { grid-template-columns: 1fr; }
}