/* Flow4 (Pty) Ltd — homepage */

:root {
  --dark: #08090B;
  --light: #F4F3EF;
  --white: #FFFFFF;
  --muted: #92949B;
  --bd-d: #282A30;
  --bd-l: #D8D6CF;
  --mute-l: #5D5F66;
  --text-d: #C9CACE;
  --panel: #0F1013;
  /* Logo palette (logo handoff/tokens). Yellow is never used for text on light backgrounds. */
  --yellow: #FFCE00;
  --cyan: #1DDCD4;
  --orange: #FB6A0B;
  --blue: #4563FF;
  --accent: var(--cyan);
  --sans: 'Geist', system-ui, sans-serif;
  --mono: 'Geist Mono', ui-monospace, monospace;
  --ease: cubic-bezier(.2, .7, .2, 1);
  --pad: clamp(20px, 4.4vw, 64px);
  --max: 1440px;
  --sec: clamp(72px, 9vw, 136px);
}

html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--dark);
  color: var(--dark);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
body.menu-open { overflow: hidden; }
*, *::before, *::after { box-sizing: border-box; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid currentColor; outline-offset: 3px; }
::placeholder { color: #62646B; }
::selection { background: var(--yellow); color: var(--dark); }
img { display: block; max-width: 100%; }
[hidden] { display: none !important; }
.sec-n { font-weight: inherit; }

@keyframes travel {
  0% { left: 0; background: var(--yellow) } 18% { left: 25%; background: var(--yellow) }
  25% { left: 25%; background: var(--cyan) } 43% { left: 50%; background: var(--cyan) }
  50% { left: 50%; background: var(--orange) } 68% { left: 75%; background: var(--orange) }
  75% { left: 75%; background: var(--blue) } 93% { left: calc(100% - 7px); background: var(--blue) }
  100% { left: calc(100% - 7px); background: var(--blue) }
}
@keyframes drop { from { opacity: 0; transform: translateY(-40%) } to { opacity: 1; transform: none } }
@keyframes blink { 0%, 60% { opacity: 1 } 61%, 100% { opacity: .25 } }

/* ---------- Shared ---------- */
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 var(--pad); }
.mono { font-family: var(--mono); }
.sec { padding: var(--sec) 0; scroll-margin-top: 64px; }
.sec--light { background: var(--light); }
.sec--white { background: var(--white); }
.sec--dark { background: var(--dark); color: #fff; }

.sec-head {
  display: flex; justify-content: space-between;
  padding-top: 16px; border-top: 1px solid var(--dark);
  font: 500 12px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase;
}
.sec-head span:last-child { color: var(--mute-l); }
.sec--dark .sec-head { border-top-color: #fff; }
.sec--dark .sec-head span:last-child { color: var(--muted); }

.h2 {
  margin: 0; font-weight: 500;
  font-size: clamp(38px, 5vw, 72px); line-height: .98; letter-spacing: -0.045em;
  text-wrap: balance;
}
.intro-row {
  margin-top: clamp(40px, 6vw, 88px);
  display: flex; flex-wrap: wrap; justify-content: space-between; align-items: flex-end; gap: 32px;
}
.lede { margin: 0; font: 400 16px/1.55 var(--sans); color: var(--mute-l); }
.sec--dark .lede { color: var(--muted); }

.note {
  display: inline-flex; align-self: flex-start;
  font: 500 10.5px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase;
  padding: 6px 8px; border: 1px dashed #9a9890; color: var(--mute-l);
}
.sec--dark .note, .footer .note { border-color: #5a5e67; color: var(--muted); }

.label {
  font: 500 11px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted);
}
.kicker {
  font: 500 12px/1 var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--mute-l);
}

.arr { display: inline-block; transition: transform .35s var(--ease); }

.btn {
  display: inline-flex; align-items: center; justify-content: space-between;
  height: 52px; padding: 0 20px; gap: 28px;
  font: 500 15px/1 var(--sans); cursor: pointer; border: 0;
  transition: background .2s, color .2s, border-color .2s;
}
.btn:active { transform: translateY(1px); }
.btn--white { background: #fff; color: var(--dark); }
.btn--white:hover { background: var(--yellow); }
.btn--ghost { background: transparent; color: #fff; border: 1px solid var(--bd-d); }
.btn--ghost:hover { border-color: #fff; }

.link-line {
  display: inline-flex; align-items: center; gap: 10px;
  font: 500 15px/1 var(--sans); padding-bottom: 4px; border-bottom: 1px solid currentColor;
}
.link-line:hover .arr, a:hover > .arr, .card:hover .arr { transform: translate(3px, -3px); }

.tag {
  font: 500 11px/1 var(--mono); padding: 6px 8px; border: 1px solid var(--bd-l); color: var(--mute-l);
}

/* Image placeholders: swap the inner .ph-label for an <img> once photos exist */
.ph-label { font: 500 11px/1.5 var(--mono); color: var(--muted); }
.ph-label--l { color: var(--mute-l); }
.hatch { background-image: repeating-linear-gradient(135deg, rgba(8, 9, 11, .05) 0 1px, transparent 1px 11px); }
.hatch-d { background-image: repeating-linear-gradient(135deg, rgba(255, 255, 255, .04) 0 1px, transparent 1px 11px); }

/* Reveal on scroll (enabled by JS) */
.js [data-reveal] {
  opacity: 0; transform: translateY(18px);
  transition: opacity .9s var(--ease), transform .9s var(--ease);
  transition-delay: var(--d, 0ms);
}
.js [data-reveal].in { opacity: 1; transform: none; }

/* ---------- Nav ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  background: rgba(8, 9, 11, 0); border-bottom: 1px solid rgba(40, 42, 48, 0);
  transition: background .35s var(--ease), border-color .35s var(--ease);
}
.nav.scrolled { background: rgba(8, 9, 11, .94); border-bottom-color: var(--bd-d); }
.nav__in { height: 64px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
/* Lockup per logo handoff: symbol = cap height (0.71em), gap 0.26em, sits on the baseline */
.logo {
  display: inline-flex; align-items: baseline; gap: .26em; color: #fff;
  font: 600 22px/1 var(--sans); letter-spacing: -0.035em;
}
.logo__mark { display: block; flex: none; width: .71em; height: .71em; }
.nav__links { display: flex; align-items: center; gap: 36px; }
.nav__links a {
  display: flex; align-items: center; gap: 8px;
  font: 450 14px/1 var(--sans); color: var(--muted); transition: color .2s;
}
.nav__links a i { width: 5px; height: 5px; background: var(--c, var(--accent)); opacity: 0; transition: opacity .2s; }
.nav__links a:hover, .nav__links a.active { color: #fff; }
.nav__links a.active i { opacity: 1; }
.nav__right { display: flex; align-items: center; gap: 10px; }
.nav__cta {
  display: flex; align-items: center; gap: 8px; height: 38px; padding: 0 16px;
  border: 1px solid var(--bd-d); color: #fff; font: 500 14px/1 var(--sans);
  transition: background .2s, color .2s, border-color .2s;
}
.nav__cta:hover { background: #fff; color: var(--dark); border-color: #fff; }
.icon-btn {
  width: 44px; height: 44px; display: none; flex-direction: column; align-items: center; justify-content: center; gap: 6px;
  background: transparent; border: 1px solid var(--bd-d); cursor: pointer; color: #fff;
}
.icon-btn span { width: 16px; height: 1.5px; background: #fff; }

.menu {
  position: fixed; inset: 0; z-index: 60; background: var(--dark); color: #fff;
  display: flex; flex-direction: column; padding: 0 var(--pad) 32px;
}
.menu[hidden] { display: none; }
.menu__top { height: 64px; display: flex; align-items: center; justify-content: space-between; }
.menu__close { display: flex; font: 400 20px/1 var(--sans); }
.menu__links { display: flex; flex-direction: column; margin-top: 40px; border-top: 1px solid var(--bd-d); }
.menu__links a {
  display: flex; align-items: baseline; justify-content: space-between; padding: 22px 0;
  border-bottom: 1px solid var(--bd-d); font: 500 40px/1 var(--sans); letter-spacing: -0.04em;
}
.menu__links a span { display: flex; align-items: center; gap: 8px; font: 500 12px/1 var(--mono); color: var(--muted); }
.menu__links a span::before { content: ''; width: 8px; height: 8px; background: var(--c); }
.menu__cta {
  margin-top: auto; display: flex; justify-content: space-between; align-items: center;
  height: 56px; padding: 0 20px; background: #fff; color: var(--dark); font: 500 16px/1 var(--sans);
}

/* ---------- Hero ---------- */
.hero {
  position: relative; background: var(--dark); color: #fff; overflow: hidden;
  min-height: max(640px, 100svh); display: flex; flex-direction: column;
}
.hero__grid {
  position: absolute; inset: 0; max-width: var(--max); margin: 0 auto; padding: 0 var(--pad); pointer-events: none;
}
.hero__grid div {
  height: 100%;
  background-image: linear-gradient(to right, rgba(255, 255, 255, .045) 1px, transparent 1px);
  background-size: calc(100% / 6) 100%;
  border-right: 1px solid rgba(255, 255, 255, .045);
}
.hero__in {
  position: relative; flex: 1; display: flex; flex-direction: column; width: 100%;
  padding-top: clamp(112px, 14vh, 160px);
}
.hero__meta {
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px;
  font: 500 12px/1.4 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted);
}
.hero__clock { display: flex; align-items: center; gap: 10px; }
.hero__clock i { width: 6px; height: 6px; border-radius: 50%; background: var(--cyan); animation: blink 2s steps(1) infinite; }
.hero h1 {
  margin: clamp(48px, 9vh, 104px) 0 0; font-weight: 500;
  font-size: clamp(46px, 8.2vw, 124px); line-height: .94; letter-spacing: -0.05em; text-wrap: balance;
}
.hero h1 span { display: block; }
.hero__top { display: flex; align-items: flex-end; justify-content: space-between; gap: 40px; }
.hero__mark { flex: none; width: clamp(96px, 17vw, 260px); height: auto; margin-bottom: .4em; overflow: visible; }
.hero__mark .m { transform-box: fill-box; animation: drop .9s var(--ease) both; transition: transform .5s var(--ease); }
.hero__mark .m1 { animation-delay: .5s } .hero__mark .m2 { animation-delay: .65s } .hero__mark .m3 { animation-delay: .8s }
.hero__top:hover .m1 { transform: translateY(-8%); } .hero__top:hover .m2 { transform: translate(8%, -8%); } .hero__top:hover .m3 { transform: translateX(10%); }
.hero h1 span + span { color: var(--muted); }
.hero__row {
  margin-top: clamp(40px, 6vh, 72px);
  display: flex; flex-wrap: wrap; justify-content: space-between; align-items: flex-end; gap: 40px;
}
.hero__copy { max-width: 520px; display: flex; flex-direction: column; gap: 32px; }
.hero__copy p { margin: 0; font: 400 clamp(17px, 1.4vw, 20px)/1.5 var(--sans); color: var(--text-d); text-wrap: pretty; }
.hero__btns { display: flex; flex-wrap: wrap; gap: 12px; }
.hero__list {
  list-style: none; margin: 0; padding: 0;
  display: grid; grid-template-columns: auto auto; column-gap: 20px; row-gap: 10px;
  font: 500 12px/1.3 var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--muted);
}
.hero__list li:nth-child(odd) { color: #fff; }
.hero__track { margin-top: auto; padding-top: 64px; padding-bottom: 28px; }
.track { position: relative; height: 1px; background: var(--bd-d); }
.track span {
  position: absolute; top: -3px; width: 7px; height: 7px; border: 1px solid var(--c, #4a4d55); background: var(--dark);
}
.track .track__dot {
  border: 0; background: var(--yellow); z-index: 2; left: 0;
  animation: travel 10s cubic-bezier(.65, 0, .35, 1) infinite;
}
.track__labels {
  list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr));
  font: 500 11px/1.4 var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--muted);
}
.track__labels li { padding: 16px 12px 0 0; }
.track__labels span { color: #fff; }

/* ---------- 01 Services ---------- */
.svc {
  list-style: none; margin: clamp(48px, 6vw, 88px) 0 0; padding: 0;
  display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr)); gap: clamp(16px, 2vw, 24px);
}
.svc__item {
  position: relative; display: flex; flex-direction: column; gap: 14px;
  padding: 28px 28px 32px; background: var(--white); border: 1px solid var(--bd-l);
  transition: transform .4s var(--ease), border-color .3s, box-shadow .4s var(--ease);
}
.svc__item::before { content: ''; position: absolute; left: -1px; right: -1px; top: -1px; height: 4px; background: var(--c); }
.svc__item:hover { transform: translateY(-4px); border-color: var(--dark); box-shadow: 0 18px 40px -24px rgba(8, 9, 11, .35); }
.svc__n { display: flex; align-items: center; gap: 10px; font: 500 12px/1 var(--mono); color: var(--mute-l); }
.svc__n::before { content: ''; width: 10px; height: 10px; background: var(--c); }
.svc__item h3 { margin: 24px 0 0; font: 500 clamp(24px, 2.2vw, 30px)/1.1 var(--sans); letter-spacing: -0.03em; }
.svc__item p { margin: 0; font: 400 16px/1.55 var(--sans); color: var(--mute-l); text-wrap: pretty; }
.svc__caps { list-style: none; margin: auto 0 0; padding: 18px 0 0; display: flex; flex-wrap: wrap; gap: 6px; border-top: 1px solid var(--bd-l); }
.svc__caps li { font: 500 11px/1 var(--mono); padding: 6px 8px; border: 1px solid var(--bd-l); color: var(--mute-l); }
.services .h2 { flex: 1 1 520px; max-width: 820px; margin-top: 0; }
.services .lede { flex: 0 1 400px; }
.hero__pillars { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; border-top: 1px solid var(--bd-d); min-width: min(100%, 340px); }
.hero__pillars a {
  display: flex; align-items: center; gap: 14px; padding: 14px 0; border-bottom: 1px solid var(--bd-d);
  font: 500 15px/1.2 var(--sans); color: var(--text-d); transition: color .2s, padding .3s var(--ease);
}
.hero__pillars a span { display: flex; align-items: center; gap: 8px; font: 500 11px/1 var(--mono); color: var(--muted); }
.hero__pillars a span::before { content: ''; width: 8px; height: 8px; background: var(--c); }
.hero__pillars a:hover { color: #fff; padding-left: 6px; }

/* ---------- 02 Products ---------- */
.products .h2 { margin-top: clamp(40px, 6vw, 88px); }
.prods {
  margin-top: clamp(48px, 6vw, 88px);
  display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 380px), 1fr)); gap: clamp(20px, 3vw, 40px);
}
.card__zoom { transition: transform 1s var(--ease); }
.prod { display: flex; flex-direction: column; border: 1px solid var(--bd-d); background: var(--panel); transition: border-color .3s; }
.prod:hover { border-color: var(--c); }
.prod__img { position: relative; aspect-ratio: 16/10; overflow: hidden; border-bottom: 1px solid var(--bd-d); }
.prod__img::after { content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: 3px; background: var(--c); transform: scaleX(0); transform-origin: left; transition: transform .6s var(--ease); }
.prod:hover .prod__img::after { transform: scaleX(1); }
.prod__img img { width: 100%; height: 100%; object-fit: cover; object-position: top; }
.prod:hover .card__zoom { transform: scale(1.04); }
.prod__body { display: flex; flex-direction: column; gap: 16px; align-items: flex-start; padding: clamp(22px, 2.4vw, 32px); }
.prod__name { display: flex; align-items: center; gap: 12px; width: 100%; }
.prod__name h3 { margin: 0; font: 500 clamp(30px, 3.2vw, 44px)/1 var(--sans); letter-spacing: -0.045em; }
.prod__mark { width: 24px; height: 24px; flex: none; }
.prod__body p { margin: 0; font: 400 16px/1.55 var(--sans); color: var(--text-d); }
.prod .link-line { font-size: 14px; gap: 8px; }
.prod:hover .arr { transform: translate(3px, -3px); }
.status {
  margin-left: auto; display: flex; align-items: center; gap: 8px;
  font: 500 11px/1 var(--mono); letter-spacing: .06em; text-transform: uppercase; color: #fff;
}
.status i { width: 6px; height: 6px; background: var(--c); animation: blink 2s steps(1) infinite; }

/* ---------- Selected Work (rendered from data/portfolio.json) ---------- */
.work__grid {
  margin-top: clamp(48px, 6vw, 88px);
  display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 380px), 1fr)); gap: clamp(20px, 3vw, 40px);
}
.wcard { display: flex; flex-direction: column; border: 1px solid var(--bd-l); background: var(--white); }
.wcard__img { aspect-ratio: 16/10; overflow: hidden; border-bottom: 1px solid var(--bd-l); background: var(--light); }
.wcard__img img { width: 100%; height: 100%; object-fit: cover; object-position: top; }
.wcard__body { display: flex; flex-direction: column; gap: 14px; align-items: flex-start; padding: clamp(22px, 2.4vw, 32px); }
.wcard__tags { display: flex; flex-wrap: wrap; gap: 6px; }
.wcard__tags span { font: 500 11px/1 var(--mono); letter-spacing: .04em; text-transform: uppercase; padding: 6px 8px; border: 1px solid var(--bd-l); color: var(--mute-l); }
.wcard .wcard__class { border-color: var(--dark); color: var(--dark); }
.wcard--prototype .wcard__class, .wcard--concept .wcard__class { border-style: dashed; }
.wcard h3 { margin: 0; font: 500 clamp(24px, 2.4vw, 32px)/1.1 var(--sans); letter-spacing: -0.03em; }
.wcard p { margin: 0; font: 400 16px/1.55 var(--sans); color: var(--mute-l); }
.wcard .wcard__meta { font: 500 12px/1.4 var(--mono); letter-spacing: .04em; text-transform: uppercase; }
.wcard__dl { margin: 0; width: 100%; border-top: 1px solid var(--bd-l); font: 400 15px/1.5 var(--sans); }
.wcard__dl div { display: grid; grid-template-columns: 100px minmax(0, 1fr); gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--bd-l); }
.wcard__dl dt { font: 500 11px/1.6 var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--mute-l); }
.wcard__dl dd { margin: 0; }
.wcard .wcard__note { font: 500 12px/1.5 var(--mono); padding: 8px 10px; border: 1px dashed var(--bd-l); }

/* ---------- 03 About ---------- */
.about__row {
  margin-top: clamp(40px, 6vw, 88px);
  display: flex; flex-wrap: wrap; gap: 32px clamp(40px, 6vw, 104px); align-items: flex-start;
}
.about .h2 { flex: 1 1 420px; }
.about__copy { flex: 1 1 400px; max-width: 620px; }
.about__copy > p + p { margin-top: 18px; color: var(--mute-l); }
.about__copy > p { margin: 0; font: 400 clamp(17px, 1.4vw, 20px)/1.6 var(--sans); color: var(--dark); text-wrap: pretty; }
.facts { margin: 32px 0 0; border-top: 1px solid var(--bd-l); font: 400 15px/1.4 var(--sans); }
.facts div {
  display: grid; grid-template-columns: minmax(120px, 1fr) minmax(0, 2fr); gap: 16px;
  padding: 14px 0; border-bottom: 1px solid var(--bd-l);
}
.facts dt { font: 500 12px/1.4 var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--mute-l); }
.facts dd { margin: 0; }

/* ---------- 07 Contact ---------- */
.contact h2 {
  margin: clamp(48px, 7vw, 104px) 0 0; max-width: 1100px; font-weight: 500;
  font-size: clamp(46px, 7.6vw, 116px); line-height: .94; letter-spacing: -0.05em; text-wrap: balance;
}
.contact__row {
  margin-top: clamp(48px, 6vw, 88px);
  display: flex; flex-wrap: wrap; gap: clamp(40px, 6vw, 104px); align-items: flex-start;
}
.contact__aside { flex: 1 1 280px; max-width: 420px; display: flex; flex-direction: column; gap: 28px; }
.contact__aside > p { margin: 0; font: 400 clamp(17px, 1.4vw, 20px)/1.5 var(--sans); color: var(--text-d); text-wrap: pretty; }
.direct { display: flex; flex-direction: column; gap: 8px; padding-top: 20px; border-top: 1px solid var(--bd-d); }
.direct a { font: 500 20px/1.3 var(--sans); letter-spacing: -0.02em; transition: color .2s; }
.direct a:hover { color: var(--cyan); }

.form { flex: 1.6 1 440px; min-width: 0; display: flex; flex-direction: column; gap: 32px; }
.form__two { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr)); gap: 32px; }
.field { display: flex; flex-direction: column; gap: 10px; }
.field input, .field textarea {
  padding: 0; background: transparent; border: 0; border-bottom: 1px solid var(--bd-d);
  color: #fff; font-size: 18px; outline-offset: 6px; border-radius: 0; transition: border-color .2s;
}
.field input { height: 48px; }
.field textarea { padding: 12px 0; line-height: 1.5; resize: vertical; }
.field input:focus, .field textarea:focus { border-bottom-color: #fff; outline: none; }
.field input:focus-visible, .field textarea:focus-visible { outline: 2px solid #fff; }
.needs { margin: 0; padding: 0; border: 0; display: flex; flex-direction: column; gap: 14px; }
.needs legend { padding: 0; margin-bottom: 14px; }
.needs__list { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  min-height: 44px; padding: 0 16px; display: flex; align-items: center; gap: 10px;
  background: transparent; color: #fff; border: 1px solid var(--bd-d);
  font: 450 14px/1 var(--sans); cursor: pointer; transition: background .2s, color .2s, border-color .2s;
}
.chip i { width: 6px; height: 6px; border: 1px solid var(--muted); }
.chip:hover { border-color: var(--c); }
.chip:hover i { border-color: var(--c); }
.chip[aria-pressed="true"] { background: var(--c); color: var(--dark); border-color: var(--c); }
.chip[aria-pressed="true"] i { background: var(--dark); border-color: var(--dark); }
.form__foot { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 20px; }
.form__note {
  margin: 0; max-width: 380px; display: flex; gap: 10px;
  font: 500 11.5px/1.5 var(--mono); color: var(--muted);
}
.form__note i { flex: none; margin-top: 5px; width: 6px; height: 6px; border: 1px solid var(--muted); }
.form .btn { height: 56px; padding: 0 22px; gap: 40px; font-size: 16px; }
.form__status {
  display: flex; gap: 14px; padding: 18px 20px; border: 1px solid var(--bd-d); background: var(--panel);
  font: 400 15px/1.5 var(--sans); color: var(--text-d);
}
.form__status[hidden] { display: none; }
.form__status i { flex: none; margin-top: 7px; width: 7px; height: 7px; background: var(--orange); }
.form__status strong { font-weight: 500; color: #fff; }

/* ---------- Footer ---------- */
.footer { position: relative; background: var(--dark); color: #fff; }
/* Four-colour strip: the three module colours plus the electric blue UI accent */
.footer::before {
  content: ''; position: absolute; left: 0; right: 0; top: 0; height: 4px;
  background: linear-gradient(90deg, var(--yellow) 0 25%, var(--cyan) 25% 50%, var(--orange) 50% 75%, var(--blue) 75%);
}
.footer__in { padding-top: clamp(56px, 6vw, 88px); padding-bottom: 28px; }
.footer__top { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 48px; }
.footer__brand { flex: 1 1 280px; display: flex; flex-direction: column; gap: 14px; }
.footer__brand .logo { font-size: 28px; align-self: flex-start; }
.footer__brand p { margin: 0; font: 400 15px/1.5 var(--sans); color: var(--muted); }
.footer__cols { flex: 2 1 520px; display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 32px; }
.footer__cols > div { display: flex; flex-direction: column; gap: 12px; }
.footer__cols .label { margin-bottom: 6px; }
.footer__cols a, .footer__cols span:not(.label):not(.note) { font: 400 15px/1.4 var(--sans); color: var(--text-d); transition: color .2s; }
.footer__cols a:hover { color: #fff; }
.footer__cols .plain { color: var(--muted) !important; }
.footer .note { font-size: 10px; padding: 5px 7px; }
.footer__bottom {
  margin-top: 28px; padding-top: 20px; border-top: 1px solid var(--bd-d);
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px;
  font: 500 11px/1.4 var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--muted);
}
.footer__bottom a:hover { color: #fff; }

/* ---------- Mobile (matches the design's 860px breakpoint) ---------- */
@media (max-width: 859px) {
  .nav__links { display: none; }
  .icon-btn { display: flex; }
  .hero__top { flex-direction: column-reverse; align-items: flex-start; gap: 0; }
  .hero__mark { width: 72px; margin: clamp(40px, 7vh, 72px) 0 0; }
  .hero h1 { margin-top: 28px; }
}
@media (max-width: 420px) {
  .nav__cta { padding: 0 12px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .js [data-reveal] { opacity: 1; transform: none; }
}