/* ============================================================
   VectraCom V4 — three-view SPA
   Editorial take: hairline rules, generous rhythm, minimal chrome.
   ============================================================ */

@font-face { font-family: 'Poppins'; font-weight: 300; font-display: swap; src: url('../fonts/poppins-300.woff2') format('woff2'); }
@font-face { font-family: 'Poppins'; font-weight: 400; font-display: swap; src: url('../fonts/poppins-400.woff2') format('woff2'); }
@font-face { font-family: 'Poppins'; font-weight: 500; font-display: swap; src: url('../fonts/poppins-500.woff2') format('woff2'); }
@font-face { font-family: 'Poppins'; font-weight: 600; font-display: swap; src: url('../fonts/poppins-600.woff2') format('woff2'); }
@font-face { font-family: 'Raleway'; font-weight: 700; font-display: swap; src: url('../fonts/raleway-latin.woff2') format('woff2'); }
@font-face { font-family: 'Raleway'; font-weight: 800; font-display: swap; src: url('../fonts/raleway-latin.woff2') format('woff2'); }

:root {
  --ink: #00131c;
  --ink-2: #01202e;
  --cyan: #1bb0ce;
  --cyan-lt: #6fd2e6;
  --cyan-dk: #0d94b0;
  --flame: #e85d26;
  --flame-lt: #f47030;

  --t-1: rgba(255, 255, 255, 0.95);
  --t-2: rgba(255, 255, 255, 0.6);
  --t-3: rgba(255, 255, 255, 0.38);
  --rule: rgba(255, 255, 255, 0.1);
  --rule-2: rgba(255, 255, 255, 0.22);
  --wash: rgba(255, 255, 255, 0.03);

  --sans: 'Poppins', ui-sans-serif, system-ui, sans-serif;
  --head: 'Raleway', ui-sans-serif, system-ui, sans-serif;
  --mono: ui-monospace, 'SF Mono', 'Cascadia Mono', monospace;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --shell: min(1120px, 100% - 3rem);
  --nav-h: 80px;
}

*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  background: var(--ink);
  color: var(--t-1);
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; color: inherit; }
ul { list-style: none; padding: 0; }
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; border-radius: 3px; }

/* ---------- Ambient field ---------- */
.field {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(760px 520px at 84% 4%, rgba(27, 176, 206, 0.15), transparent 64%),
    radial-gradient(680px 480px at 4% 88%, rgba(232, 93, 38, 0.08), transparent 62%),
    var(--ink);
}
.field::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: linear-gradient(to right, rgba(255, 255, 255, 0.026) 1px, transparent 1px);
  background-size: 70px 100%;
  mask-image: linear-gradient(180deg, #000 0%, transparent 65%);
  -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 65%);
}

/* ---------- Structure ---------- */
.shell { width: var(--shell); margin-inline: auto; }
.page { position: relative; z-index: 1; }
.view { display: none; }
.view.is-on { display: block; animation: in 0.5s var(--ease) both; }
@keyframes in { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }

.band { padding-block: clamp(4rem, 7.5vw, 7rem); }
.band + .band { border-top: 1px solid var(--rule); }
.band--first { padding-top: calc(var(--nav-h) + clamp(3rem, 6vw, 5.5rem)); }

/* ---------- Type ---------- */
h1, h2, h3, h4 { font-family: var(--head); font-weight: 800; line-height: 1.12; letter-spacing: -0.02em; }
.t-hero { font-size: clamp(2.5rem, 5.2vw, 4.15rem); line-height: 1.03; }
.t-sec { font-size: clamp(1.8rem, 3vw, 2.6rem); }
.t-sub { font-family: var(--head); font-weight: 700; font-size: 1.08rem; letter-spacing: -0.01em; }
.lede { color: var(--t-2); font-size: clamp(1rem, 1.25vw, 1.13rem); max-width: 60ch; }
.small { font-size: 0.88rem; color: var(--t-2); }

.cy { color: var(--cyan-lt); }
.grad { background: linear-gradient(96deg, #93e2f2, var(--cyan) 52%, var(--cyan-dk)); -webkit-background-clip: text; background-clip: text; color: transparent; }

.kicker {
  display: flex;
  align-items: baseline;
  gap: 0.9rem;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--t-3);
  padding-bottom: 1.5rem;
  margin-bottom: 2.4rem;
  border-bottom: 1px solid var(--rule);
}
.kicker b { color: var(--cyan); font-weight: 500; }
.kicker span { margin-left: auto; color: var(--t-3); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 0.82rem 1.55rem;
  font-size: 0.86rem;
  font-weight: 600;
  cursor: pointer;
  background: none;
  transition: background-color 0.3s var(--ease), border-color 0.3s var(--ease),
    color 0.3s var(--ease), box-shadow 0.35s var(--ease), transform 0.3s var(--ease);
}
.btn svg { width: 15px; height: 15px; transition: transform 0.3s var(--ease); }
.btn:hover svg { transform: translateX(4px); }
.btn--go { background: var(--flame); color: #fff; }
.btn--go:hover { background: var(--flame-lt); box-shadow: 0 14px 34px -12px rgba(232, 93, 38, 0.7); transform: translateY(-1px); }
.btn--line { border-color: var(--rule-2); color: var(--t-2); }
.btn--line:hover { border-color: rgba(255, 255, 255, 0.45); color: var(--t-1); background: var(--wash); }
.btn--cy { background: var(--cyan); color: var(--ink); }
.btn--cy:hover { background: var(--cyan-lt); transform: translateY(-1px); }

.go {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.83rem;
  font-weight: 600;
  color: var(--cyan-lt);
  transition: gap 0.3s var(--ease);
}
.go:hover { gap: 0.75rem; }
.go svg { width: 14px; height: 14px; }

/* ---------- Nav ---------- */
.nav {
  position: fixed;
  inset: 0 0 auto;
  z-index: 60;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  border-bottom: 1px solid transparent;
  transition: background-color 0.4s var(--ease), border-color 0.4s var(--ease);
}
.nav.stuck {
  background: rgba(0, 19, 28, 0.85);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  border-bottom-color: var(--rule);
}
.nav__in { width: var(--shell); margin-inline: auto; display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; }
.nav__brand img { height: 40px; width: auto; }
@media (min-width: 860px) { .nav__brand img { height: 48px; } }
.nav__set { display: none; align-items: center; gap: 1.9rem; }
.nav__a {
  position: relative;
  font-size: 0.86rem;
  font-weight: 500;
  color: var(--t-2);
  padding-block: 0.35rem;
  transition: color 0.25s var(--ease);
}
.nav__a:hover { color: var(--t-1); }
.nav__a::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 1.5px;
  background: var(--flame);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s var(--ease);
}
.nav__a.on { color: var(--t-1); }
.nav__a.on::after { transform: scaleX(1); }
.nav__cta { display: none; }

.burger {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px; height: 42px;
  padding: 0 11px;
  border: 1px solid var(--rule-2);
  border-radius: 12px;
  background: var(--wash);
  cursor: pointer;
}
.burger span { height: 1.5px; background: var(--t-1); border-radius: 2px; transition: transform 0.3s var(--ease), opacity 0.2s; }
.burger[aria-expanded='true'] span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.burger[aria-expanded='true'] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded='true'] span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.sheet {
  position: fixed;
  inset: var(--nav-h) 0 auto;
  z-index: 55;
  background: rgba(1, 22, 32, 0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--rule);
  display: grid;
  grid-template-rows: 0fr;
  opacity: 0;
  visibility: hidden;
  transition: grid-template-rows 0.4s var(--ease), opacity 0.3s, visibility 0.3s;
}
.sheet.open { grid-template-rows: 1fr; opacity: 1; visibility: visible; }
.sheet__in { overflow: hidden; }
.sheet__in > nav { padding: 0.5rem 0 1.6rem; }
.sheet a {
  display: flex;
  align-items: baseline;
  gap: 0.9rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--rule);
  font-family: var(--head);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--t-2);
}
.sheet a i { font-family: var(--mono); font-style: normal; font-size: 0.68rem; color: var(--t-3); }
.sheet a.on { color: var(--cyan-lt); }
.sheet .btn { margin-top: 1.5rem; width: 100%; justify-content: center; }
@media (min-width: 860px) {
  .nav__set, .nav__cta { display: inline-flex; }
  .burger, .sheet { display: none; }
}

/* ---------- Hero ---------- */
.hero { position: relative; padding-top: calc(var(--nav-h) + clamp(3.5rem, 8vw, 7rem)); padding-bottom: clamp(3.5rem, 6vw, 5.5rem); }
.hero__tag {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--t-3);
}
.dot { position: relative; width: 6px; height: 6px; border-radius: 50%; background: var(--cyan); }
.dot::after { content: ''; position: absolute; inset: -3px; border-radius: 50%; border: 1px solid var(--cyan); animation: ping 2.4s var(--ease) infinite; }
@keyframes ping { 0% { transform: scale(0.7); opacity: 0.9; } 100% { transform: scale(2.3); opacity: 0; } }

.hero h1 { margin-top: 1.7rem; max-width: 17ch; }
.hero .lede { margin-top: 1.6rem; }
.hero__do { margin-top: 2.5rem; display: flex; flex-wrap: wrap; gap: 0.8rem; }

/* ---------- Figures row ---------- */
.figs { display: grid; gap: 0; margin-top: clamp(3.5rem, 6vw, 5rem); border-top: 1px solid var(--rule); }
@media (min-width: 720px) { .figs { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
.fig { padding: 1.7rem 0; border-bottom: 1px solid var(--rule); }
@media (min-width: 720px) {
  .fig { padding: 1.9rem 1.6rem 1.9rem 0; border-bottom: 0; border-right: 1px solid var(--rule); }
  .fig:last-child { border-right: 0; }
  .fig + .fig { padding-left: 1.6rem; }
}
.fig b { display: block; font-family: var(--head); font-size: clamp(2rem, 3.4vw, 2.9rem); font-weight: 800; letter-spacing: -0.035em; }
.fig strong { display: block; margin-top: 0.4rem; font-size: 0.85rem; font-weight: 600; }
.fig span { display: block; margin-top: 0.25rem; font-size: 0.78rem; color: var(--t-3); }

/* ---------- Editorial rows ---------- */
.list { border-top: 1px solid var(--rule); }
/* the kicker already lays down a rule — don't double it */
.kicker + .list { border-top: 0; }
.item {
  display: grid;
  gap: 0.55rem 2.5rem;
  padding: 1.75rem 0;
  border-bottom: 1px solid var(--rule);
  transition: background-color 0.35s var(--ease), padding-inline 0.35s var(--ease);
}
.item:hover { background: var(--wash); padding-inline: 1rem; }
.item__n { font-family: var(--mono); font-size: 0.7rem; color: var(--cyan); }
.item__b { color: var(--t-2); font-size: 0.9rem; max-width: 60ch; }
.item__m { font-family: var(--mono); font-size: 0.67rem; letter-spacing: 0.07em; color: var(--t-3); }
@media (min-width: 880px) {
  .item { grid-template-columns: 56px minmax(0, 1.15fr) minmax(0, 0.85fr); align-items: start; }
  .item__n { padding-top: 0.3rem; }
}

/* ---------- Two-column prose ---------- */
.duo { display: grid; gap: clamp(2rem, 4vw, 3.5rem); }
@media (min-width: 900px) { .duo { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); } }
.duo--lead { grid-template-columns: 1fr; }
@media (min-width: 900px) { .duo--lead { grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr); } }

.block + .block { margin-top: 1.6rem; padding-top: 1.6rem; border-top: 1px solid var(--rule); }
.block h4 { font-size: 1rem; }
.block p { color: var(--t-2); font-size: 0.88rem; margin-top: 0.4rem; }

.marks li { position: relative; padding-left: 1.6rem; margin-bottom: 0.85rem; color: var(--t-2); font-size: 0.89rem; }
.marks li::before { content: ''; position: absolute; left: 0; top: 0.55em; width: 7px; height: 7px; border-radius: 2px; background: var(--cyan); box-shadow: 0 0 0 3px rgba(27, 176, 206, 0.15); }

/* ---------- Era strip (about) ---------- */
.eras { display: grid; gap: 1px; background: var(--rule); border: 1px solid var(--rule); border-radius: 20px; overflow: hidden; }
@media (min-width: 820px) { .eras { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.era { background: rgba(0, 19, 28, 0.62); padding: 1.9rem 1.7rem; }
.era__r { font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.14em; color: var(--flame-lt); }
.era h4 { margin-top: 0.55rem; font-size: 1.05rem; }
.era p { margin-top: 0.7rem; font-size: 0.86rem; color: var(--t-2); }
.era ul { margin-top: 1.1rem; padding-top: 1rem; border-top: 1px solid var(--rule); }
.era li { font-family: var(--mono); font-size: 0.7rem; color: var(--t-3); margin-bottom: 0.5rem; }
.era li b { color: var(--cyan-lt); font-weight: 500; margin-right: 0.5rem; }

/* ---------- Marquee ---------- */
.wall { padding-block: clamp(2.6rem, 4vw, 3.6rem); border-block: 1px solid var(--rule); }
.wall__t { width: var(--shell); margin: 0 auto 1.7rem; font-family: var(--mono); font-size: 0.66rem; letter-spacing: 0.19em; text-transform: uppercase; color: var(--t-3); }
.run { overflow: hidden; mask-image: linear-gradient(90deg, transparent, #000 9%, #000 91%, transparent); -webkit-mask-image: linear-gradient(90deg, transparent, #000 9%, #000 91%, transparent); }
.run__t { display: flex; width: max-content; gap: 3.6rem; animation: roll 42s linear infinite; }
.run:hover .run__t { animation-play-state: paused; }
@keyframes roll { to { transform: translateX(-50%); } }
/* Logos are pre-normalised to white silhouettes on transparency — no filter needed. */
.run img { height: 30px; width: auto; object-fit: contain; opacity: 0.42; transition: opacity 0.35s var(--ease); }
.run img:hover { opacity: 0.95; }

/* ---------- Tags ---------- */
.tags { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.tag { display: inline-block; padding: 0.24rem 0.62rem; border: 1px solid var(--rule); border-radius: 999px; font-family: var(--mono); font-size: 0.63rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--t-2); }
.tag--cy { color: var(--cyan-lt); border-color: rgba(27, 176, 206, 0.3); background: rgba(27, 176, 206, 0.06); }

/* ---------- Contact ---------- */
.reach { display: grid; gap: clamp(2rem, 4vw, 3.4rem); }
@media (min-width: 900px) { .reach { grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr); } }
.dl { border-top: 1px solid var(--rule); }
.dl > div { display: flex; gap: 1rem; padding: 1.3rem 0; border-bottom: 1px solid var(--rule); }
.dl svg { width: 17px; height: 17px; color: var(--cyan); flex: none; margin-top: 3px; }
.dl dt { font-family: var(--mono); font-size: 0.63rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--t-3); }
.dl dd { margin: 0.3rem 0 0; font-size: 0.9rem; }

.form { border: 1px solid var(--rule); border-radius: 24px; background: var(--wash); padding: clamp(1.5rem, 3vw, 2.2rem); }
.f { margin-bottom: 1.05rem; }
.f label { display: block; font-family: var(--mono); font-size: 0.64rem; letter-spacing: 0.13em; text-transform: uppercase; color: var(--t-3); margin-bottom: 0.48rem; }
.f input, .f textarea, .f select {
  width: 100%;
  padding: 0.78rem 1rem;
  border: 1px solid var(--rule);
  border-radius: 13px;
  background: rgba(0, 12, 18, 0.6);
  font-size: 0.9rem;
  transition: border-color 0.3s var(--ease), background-color 0.3s var(--ease);
}
.f textarea { resize: vertical; min-height: 112px; }
.f select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23ffffff' stroke-opacity='.5' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 0.9rem center; background-size: 15px; padding-right: 2.6rem; }
.f input:focus, .f textarea:focus, .f select:focus { outline: none; border-color: var(--cyan); background: rgba(0, 12, 18, 0.85); }
.f input::placeholder, .f textarea::placeholder { color: rgba(255, 255, 255, 0.27); }
.f2 { display: grid; gap: 1.05rem; }
@media (min-width: 600px) { .f2 { grid-template-columns: 1fr 1fr; } }
.note { margin-top: 0.95rem; font-size: 0.76rem; color: var(--t-3); }
.said { margin-top: 0.95rem; font-size: 0.84rem; display: none; }
.said.on { display: block; }

/* ---------- Closing band ---------- */
.close {
  border: 1px solid var(--rule);
  border-radius: 26px;
  padding: clamp(2.3rem, 5vw, 4rem);
  background:
    radial-gradient(120% 160% at 100% 0%, rgba(232, 93, 38, 0.15), transparent 58%),
    radial-gradient(110% 150% at 0% 100%, rgba(27, 176, 206, 0.17), transparent 58%),
    var(--wash);
}
.close h2 { max-width: 19ch; }
.close p { margin-top: 1rem; }
.close__do { margin-top: 1.9rem; display: flex; flex-wrap: wrap; gap: 0.8rem; }

/* ---------- Footer ---------- */
.foot { position: relative; z-index: 1; border-top: 1px solid var(--rule); background: rgba(0, 12, 18, 0.55); padding: clamp(2.8rem, 5vw, 4rem) 0 1.8rem; }
.foot__g { display: grid; gap: 2.2rem; }
@media (min-width: 760px) { .foot__g { grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr) minmax(0, 1fr); } }
.foot img { height: 62px; width: auto; margin-bottom: 1.1rem; }
.foot h5 { font-family: var(--mono); font-size: 0.65rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--t-3); font-weight: 500; margin-bottom: 0.95rem; }
.foot li { margin-bottom: 0.55rem; font-size: 0.85rem; color: var(--t-2); }
.foot li a { transition: color 0.25s var(--ease); }
.foot li a:hover { color: var(--cyan-lt); }
.foot__b { margin-top: 2.6rem; padding-top: 1.4rem; border-top: 1px solid var(--rule); display: flex; flex-wrap: wrap; gap: 1rem; justify-content: space-between; font-family: var(--mono); font-size: 0.67rem; color: var(--t-3); }

/* ---------- Reveal ---------- */
[data-up] { opacity: 0; transform: translateY(18px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
[data-up].up { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
  [data-up] { opacity: 1; transform: none; }
}