/* seviontech.com — "Cinematic real" blue-hour system. Type: Roboto only (300 display, 400 body, 500 labels).
   Matches the WilmSC concept visuals: dusk-navy ground, frosted-glass cards,
   warm lamp amber for the human/operational layer, soft cyan for data. */

:root {
  color-scheme: dark;
  --ink: #0e1822;        /* blue-hour sky after dusk */
  --deep: #152330;       /* river at night */
  --panel: #1a2a39;
  --line: #26394a;
  --glass: #e8edf1;      /* frosted-glass label white */
  --text: #c9d4dc;
  --muted: #97a8b6;
  --lamp: #e6a650;       /* promenade lamp amber */
  --signal: #83d3dd;     /* data-thread cyan */
  --brand: #3579be;      /* Sevion steel blue */
  --brand-soft: #6ea3dc;
  --display: "Roboto", "Helvetica Neue", Arial, sans-serif;
  --body: "Roboto", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --label: "Roboto", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --wrap: 1240px;
  --gutter: clamp(16px, 4vw, 56px);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { background: var(--ink); scroll-behavior: smooth; }
body {
  background: var(--ink);
  color: var(--text);
  font: 400 17px/1.6 var(--body);
  -webkit-font-smoothing: antialiased;
  letter-spacing: .005em;
}
img { max-width: 100%; display: block; }
a { color: var(--signal); }
a:hover { color: var(--glass); }
b, strong { color: var(--glass); font-weight: 500; }
.wrap { max-width: var(--wrap); margin-inline: auto; padding-inline: var(--gutter); }

/* ---------- type ---------- */
.kicker {
  display: block;
  font: 500 12px/1.2 var(--label);
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--lamp);
  margin-bottom: 14px;
}
h1, h2, h3 { font-family: var(--display); color: var(--glass); letter-spacing: -0.015em; text-wrap: balance; }
h2 { font-weight: 300; font-size: clamp(30px, 4vw, 48px); line-height: 1.1; }
h2 em, h1 em, .line em { font-style: normal; color: var(--lamp); }
h3 { font-weight: 400; font-size: 20px; line-height: 1.25; }
.lede { font-size: 19px; color: var(--muted); max-width: 62ch; }
.lede strong { color: var(--glass); }
.note { font: 400 13.5px/1.5 var(--label); color: var(--muted); }

/* ---------- top bar ---------- */
.topbar {
  position: sticky; top: 0; z-index: 20;
  background: rgba(14, 24, 34, .82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.topbar .wrap {
  display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  padding-block: 12px;
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--glass); }
.brand img { height: 34px; width: auto; }
.brand span { font: 500 15px/1 var(--label); letter-spacing: .16em; text-transform: uppercase; }
.brand em { font-style: normal; color: var(--brand-soft); }
nav { display: flex; align-items: center; flex-wrap: wrap; gap: 6px 16px; }
nav a {
  font: 400 14px/1.3 var(--label); color: var(--muted); text-decoration: none;
  border-bottom: 1px solid transparent; padding-bottom: 2px; white-space: nowrap;
}
nav a:hover, nav a:focus-visible { color: var(--glass); border-color: var(--lamp); outline: none; }
nav a.quiet { color: #6f8090; }

/* ---------- buttons ---------- */
.btn {
  display: inline-block; padding: 10px 18px; border-radius: 3px; text-decoration: none;
  font: 500 13px/1.2 var(--label); letter-spacing: .08em; text-transform: uppercase;
  border: 1px solid var(--brand); color: var(--glass); background: transparent;
  transition: background .2s, border-color .2s, color .2s;
}
.btn:hover { background: var(--brand); color: #fff; }
.btn.solid { background: var(--brand); color: #fff; }
.btn.solid:hover { background: #4a8bcc; border-color: #4a8bcc; }
.btn.lamp { border-color: var(--lamp); color: var(--lamp); }
.btn.lamp:hover { background: var(--lamp); color: var(--ink); }
nav .btn { padding: 8px 14px; border-bottom: 1px solid var(--brand); }
nav .btn:hover { border-color: var(--brand); }

/* ---------- hero ---------- */
.hero { position: relative; isolation: isolate; min-height: min(84vh, 960px); display: grid; align-items: end; overflow: hidden; }
.hero img.bg {
  position: absolute; inset: 0; z-index: -2; width: 100%; height: 100%; object-fit: cover; object-position: 55% 82%;
}
.hero::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background:
    linear-gradient(180deg, rgba(14,24,34,.78) 0%, rgba(14,24,34,.2) 30%, rgba(14,24,34,.72) 70%, var(--ink) 100%),
    linear-gradient(90deg, rgba(14,24,34,.82) 0%, rgba(14,24,34,.35) 45%, rgba(14,24,34,0) 75%);
}
.hero .wrap { padding-block: clamp(64px, 12vw, 140px) clamp(40px, 7vw, 80px); display: grid; gap: 22px; }
.hero h1 {
  font-weight: 300; font-size: clamp(36px, 6vw, 76px); line-height: 1.02; max-width: 17ch;
  text-shadow: 0 2px 24px rgba(0,0,0,.45);
}
.hero .lede { color: #d6dfe6; text-shadow: 0 1px 12px rgba(0,0,0,.5); }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 6px; }
.hero .credit { position: absolute; right: var(--gutter); bottom: 12px; font: 400 11px/1.3 var(--label); color: rgba(151,168,182,.8); letter-spacing: .06em; }

/* ---------- bands ---------- */
.band { padding-block: clamp(56px, 8vw, 104px); border-top: 1px solid var(--line); }
section[id] { scroll-margin-top: 64px; }
.band.deep { background: var(--deep); }
.band-head { display: grid; gap: 14px; max-width: 70ch; margin-bottom: clamp(28px, 4vw, 48px); }
.band-head p { color: var(--muted); font-size: 18px; }
.two { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 32px 48px; }
.three { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 24px; }
.four { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 20px; }

/* ---------- frosted cards ---------- */
.card {
  background: rgba(232, 237, 241, .055);
  border: 1px solid rgba(232, 237, 241, .14);
  border-radius: 6px;
  padding: 24px 24px 26px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  display: grid; gap: 10px; align-content: start;
}
.card h3 { margin-bottom: 2px; }
.card p { color: var(--text); font-size: 16px; }
.card ul { margin: 6px 0 0 18px; color: var(--muted); font-size: 15.5px; }
.card li { margin-bottom: 5px; }
.card li::marker { color: var(--signal); }
.card .tag { font: 500 11px/1 var(--label); letter-spacing: .12em; text-transform: uppercase; color: var(--signal); }
.card.accent { border-top: 2px solid var(--brand); }

/* question cards (the "ask" pattern from the visuals) */
.ask { display: grid; gap: 4px; padding: 16px 18px; border-radius: 5px; background: rgba(232,237,241,.07); border: 1px solid rgba(232,237,241,.16); }
.ask .q { font: 500 16px/1.3 var(--body); color: var(--glass); }
.ask .a { font: 400 14.5px/1.4 var(--label); color: var(--signal); }
.ask .a.lamp { color: var(--lamp); }

/* chips */
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  font: 500 11px/1 var(--label); letter-spacing: .1em; text-transform: uppercase;
  padding: 7px 10px; border-radius: 3px; border: 1px solid rgba(232,237,241,.22); color: var(--text);
  background: rgba(232,237,241,.05);
}
.chip.live { color: var(--signal); border-color: currentColor; }
.chip.build { color: var(--lamp); border-color: currentColor; }
.chip.next { color: var(--muted); border-color: currentColor; }

/* figures */
figure { margin: 0; display: grid; gap: 14px; }
figure img { width: 100%; height: auto; border-radius: 6px; background: var(--deep); box-shadow: 0 30px 60px -30px rgba(0,0,0,.75); }
figcaption { display: grid; gap: 8px; }
figcaption h3 { font-size: clamp(22px, 2.4vw, 28px); font-weight: 300; }
figcaption p { color: var(--text); max-width: 60ch; }

/* ---------- smart section specifics ---------- */
.scale { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 0; border: 1px solid var(--line); border-radius: 6px; overflow: hidden; margin-bottom: clamp(32px, 5vw, 56px); }
.scale div { padding: 20px 22px; border-right: 1px solid var(--line); display: grid; gap: 6px; align-content: start; }
.scale div:last-child { border-right: 0; }
.scale .abbr { font: 300 34px/1 var(--display); color: var(--glass); }
.scale .abbr small { font: 500 11px/1 var(--label); letter-spacing: .12em; text-transform: uppercase; color: var(--muted); display: block; margin-top: 6px; }
.scale p { font-size: 15px; color: var(--muted); }
.scale .status { font: 500 11px/1 var(--label); letter-spacing: .1em; text-transform: uppercase; color: var(--signal); }
.scale .status.build { color: var(--lamp); }
.scale .status.next { color: var(--muted); }

.timeline { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; margin-top: 8px; }
.timeline div { padding: 12px 14px; border-radius: 4px; background: rgba(230,166,80,.08); border: 1px solid rgba(230,166,80,.3); display: grid; gap: 2px; }
.timeline .t { font: 500 12px/1 var(--label); color: var(--lamp); letter-spacing: .1em; }
.timeline .e { font-size: 15px; color: var(--glass); }

.trust { position: relative; isolation: isolate; overflow: hidden; }
.trust img.bg { position: absolute; inset: 0; z-index: -2; width: 100%; height: 100%; object-fit: cover; object-position: 50% 50%; }
.trust::after { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(180deg, rgba(14,24,34,.88) 0%, rgba(14,24,34,.55) 50%, rgba(14,24,34,.9) 100%); }
.trust .card { background: rgba(14,24,34,.55); }
.trust .card::before { content: ""; display: block; width: 44px; height: 2px; background: var(--glass); margin-bottom: 8px; }
.trust .card p { color: var(--glass); font-size: 17px; }

/* ---------- experience ---------- */
.highlights { list-style: none; display: grid; gap: 14px; max-width: 760px; }
.highlights li { padding: 14px 0 14px 18px; border-left: 2px solid var(--brand); color: var(--text); }

/* ---------- contact ---------- */
.contact-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 24px; }
.contact-grid h3 { font-size: 16px; margin-bottom: 4px; }
.contact-grid p { color: var(--muted); }

/* ---------- closing line + footer ---------- */
.close .line { font: 300 clamp(28px, 4vw, 52px)/1.1 var(--display); color: var(--glass); max-width: 24ch; letter-spacing: -0.015em; }
footer { border-top: 1px solid var(--line); padding-block: 32px 40px; }
footer .wrap { display: grid; gap: 14px; }
footer .row { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; justify-content: space-between; }
footer img { height: 28px; opacity: .8; }
footer p { font: 400 13px/1.6 var(--label); color: var(--muted); max-width: 80ch; }

/* ---------- investor gate ---------- */
.gate { max-width: 580px; margin: 10vh auto; padding: 40px 32px; text-align: center; display: grid; gap: 14px; justify-items: center; }
.gate img { height: 64px; }
.gate h1 { font-weight: 300; font-size: 32px; }
.gate p { color: var(--muted); }

/* ---------- responsive ---------- */
@media (max-width: 760px) {
  body { font-size: 16px; }
  nav { gap: 4px 14px; }
  nav a:not(.btn) { font-size: 12px; }
  .hero { min-height: min(72vh, 700px); }
  .hero img.bg { object-position: 50% 30%; }
  .scale div { border-right: 0; border-bottom: 1px solid var(--line); }
  .scale div:last-child { border-bottom: 0; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }