/* VergeNet — shared styles */

:root {
  --deep: #2b0d09;
  --red: #d42a1c;
  --orange: #ff6a13;
  --amber: #ffad3b;
  --grad: linear-gradient(100deg, var(--red), var(--orange) 55%, var(--amber));

  --bg: #e7e9ec;
  --bg-soft: #eef0f2;
  --surface: #f6f7f8;
  --ink: #101828;
  --ink-soft: #4a5565;
  --line: rgba(16, 24, 40, 0.14);

  --font-head: "Space Grotesk", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;

  --gutter: clamp(16px, 4vw, 40px);
  --radius: 14px;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 400 16px/1.6 var(--font-body);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, svg, canvas { display: block; max-width: 100%; }
a { color: inherit; }

.skip-link {
  position: absolute; left: -999px; top: 8px;
  background: var(--deep); color: #fff; padding: 8px 12px; border-radius: 6px;
  z-index: 100;
}
.skip-link:focus { left: 8px; }

:focus-visible { outline: 2px solid var(--red); outline-offset: 3px; }

/* ---------- Header ---------- */

.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  display: flex; align-items: flex-start; justify-content: space-between;
  padding: 18px var(--gutter);
  pointer-events: none;
}
.site-header > * { pointer-events: auto; }
.site-header.is-scrolled {
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.brand img { width: 34px; height: 34px; }
.brand-word { font: 700 1.35rem/1 var(--font-head); letter-spacing: -0.01em; }
.brand-word .v { color: var(--red); }
.brand-word .n { color: var(--orange); }
.brand-tag {
  display: block; margin-top: 3px;
  font: 500 0.55rem/1 var(--font-mono); letter-spacing: 0.14em; color: var(--ink-soft);
}

.nav { display: flex; flex-direction: column; align-items: flex-end; gap: 4px; }
.nav a {
  font: 500 0.92rem/1.4 var(--font-head); text-decoration: none; color: var(--ink);
  display: inline-flex; align-items: center; gap: 6px;
}
.nav a::after { content: "↗"; font-size: 0.8em; transition: transform .2s; }
.nav a:hover::after { transform: translate(2px, -2px); }
.nav a[aria-current="page"] {
  background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.nav a[aria-current="page"]::after { color: var(--orange); }

.nav-toggle { display: none; }

/* ---------- Small editorial labels ---------- */

.label {
  font: 500 0.72rem/1 var(--font-mono); letter-spacing: 0.08em; color: var(--ink-soft);
}
.label-letter { font: 400 1.3rem/1 var(--font-mono); letter-spacing: 0.3em; }
.grad-text {
  background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent;
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 11px 26px; border-radius: 999px;
  border: 1px solid var(--ink); background: transparent; color: var(--ink);
  font: 600 0.72rem/1 var(--font-mono); letter-spacing: 0.1em; text-transform: uppercase;
  text-decoration: none; cursor: pointer;
  transition: background .2s, color .2s, border-color .2s;
}
.btn:hover { background: var(--ink); color: var(--bg); }
.btn-solid { background: var(--deep); border-color: var(--deep); color: #fff; }
.btn-solid:hover { background: var(--red); border-color: var(--red); color: #fff; }
.btn[disabled] { opacity: .55; cursor: progress; }

/* ---------- Hero (home) ---------- */

.hero { position: relative; height: 320vh; }
.hero-stage {
  position: sticky; top: 0; height: 100vh; height: 100svh; overflow: hidden;
  background: radial-gradient(120% 90% at 60% 30%, var(--bg-soft), var(--bg) 60%, #dcdfe3);
}
.hero-canvas { position: absolute; inset: 0; width: 100%; height: 100%; }

.hero-panel {
  position: absolute; inset: 0;
  display: grid; grid-template-columns: 1fr 1fr; align-items: end;
  padding: 120px var(--gutter) 56px;
  transition: opacity .5s ease, transform .5s ease;
}
.hero-panel[data-active="false"] { opacity: 0; transform: translateY(16px); pointer-events: none; }

.hero-title {
  margin: 0; max-width: 11ch;
  font: 500 clamp(2.4rem, 6vw, 4.6rem)/0.98 var(--font-head);
  text-transform: uppercase; letter-spacing: -0.02em;
}
.hero-title em { font-style: italic; text-transform: none; font-weight: 400; }
.hero-title .indent { display: block; padding-left: 1.3em; }

.hero-side {
  justify-self: end; width: min(320px, 100%);
  display: grid; gap: 18px; padding-bottom: 6px;
}
.hero-side-top { display: flex; justify-content: space-between; align-items: center; }
.hero-side p { margin: 0; font-size: 0.86rem; color: var(--ink-soft); }

.hero-foot {
  position: absolute; left: 0; right: 0; bottom: 18px;
  display: flex; justify-content: center;
  pointer-events: none;
}
.scroll-cue { font: 500 0.7rem/1 var(--font-mono); color: var(--ink-soft); letter-spacing: .14em; }
.scroll-cue::after { content: " ↓"; }

.hero-progress {
  position: absolute; left: 0; bottom: 0; height: 3px; width: 100%;
  background: var(--grad); transform-origin: left; transform: scaleX(var(--p, 0));
}

/* ---------- Sections ---------- */

.section { padding: clamp(72px, 10vw, 128px) var(--gutter); }
.section-head {
  display: grid; grid-template-columns: auto 1fr auto; gap: 24px; align-items: baseline;
  border-top: 1px solid var(--line); padding-top: 18px; margin-bottom: 40px;
}
.section-title {
  margin: 0; font: 500 clamp(1.8rem, 4vw, 3rem)/1.05 var(--font-head); letter-spacing: -0.02em;
}
.section-title em { font-weight: 400; }
.lede { max-width: 58ch; color: var(--ink-soft); font-size: 1.05rem; }

.page-top { padding-top: clamp(130px, 16vw, 190px); }

.switch-figure {
  margin: clamp(36px, 6vw, 64px) 0 0;
  filter: drop-shadow(0 18px 28px rgba(43, 13, 9, .28));
}
.switch-figure img { width: 100%; height: auto; }

/* Cards */

.grid { display: grid; gap: 16px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

.card {
  position: relative; overflow: hidden;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px;
}
.card::before {
  content: ""; position: absolute; left: 0; top: 0; height: 3px; width: 100%;
  background: var(--grad); transform: scaleX(.12); transform-origin: left; transition: transform .45s ease;
}
.card:hover::before { transform: scaleX(1); }
.card h3 { margin: 14px 0 8px; font: 600 1.2rem/1.2 var(--font-head); }
.card p { margin: 0; color: var(--ink-soft); font-size: 0.95rem; }
.card ul { margin: 14px 0 0; padding-left: 18px; color: var(--ink-soft); font-size: 0.92rem; }
.card li + li { margin-top: 4px; }

/* Process strip */

.steps { counter-reset: step; display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; }
.step { padding: 22px 20px 0 0; border-top: 1px solid var(--line); position: relative; }
.step::before {
  counter-increment: step; content: "0" counter(step);
  font: 500 0.75rem/1 var(--font-mono); color: var(--red);
}
.step::after {
  content: ""; position: absolute; top: -4px; left: 0; width: 7px; height: 7px; border-radius: 50%;
  background: var(--orange); box-shadow: 0 0 12px var(--orange);
}
.step h3 { margin: 12px 0 6px; font: 600 1.1rem/1.2 var(--font-head); }
.step p { margin: 0; color: var(--ink-soft); font-size: 0.92rem; }

/* Callout band */

.band {
  margin: 0 var(--gutter); border-radius: calc(var(--radius) + 6px);
  padding: clamp(36px, 6vw, 64px);
  background: radial-gradient(90% 140% at 100% 0%, rgba(255, 106, 19, .45), transparent 60%),
              radial-gradient(70% 120% at 0% 100%, rgba(212, 42, 28, .4), transparent 60%),
              var(--deep);
  color: #fff;
  display: flex; flex-wrap: wrap; gap: 24px; align-items: center; justify-content: space-between;
}
.band h2 { margin: 0; font: 500 clamp(1.6rem, 3.4vw, 2.5rem)/1.1 var(--font-head); max-width: 20ch; }
.band p { margin: 8px 0 0; color: rgba(255, 255, 255, .78); }
.band .btn { border-color: #fff; color: #fff; }
.band .btn:hover { background: #fff; color: var(--deep); }

/* ---------- Inquiry form ---------- */

.inquiry { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: clamp(28px, 5vw, 72px); }
.form { display: grid; gap: 22px; }
.field { display: grid; gap: 8px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field > label, .field > legend {
  font: 600 0.72rem/1 var(--font-mono); letter-spacing: .1em; text-transform: uppercase; color: var(--ink-soft);
}
.field legend { margin-bottom: 10px; padding: 0; }
.field .hint { text-transform: none; letter-spacing: 0; font-weight: 400; }
fieldset.field { border: 0; margin: 0; padding: 0; min-width: 0; }

.input {
  width: 100%; padding: 13px 14px; border-radius: 10px;
  border: 1px solid var(--line); background: var(--surface); color: var(--ink);
  font: 400 1rem/1.4 var(--font-body);
}
.input:focus { outline: none; border-color: var(--red); box-shadow: 0 0 0 3px rgba(255, 106, 19, .2); }
textarea.input { min-height: 150px; resize: vertical; }
.input[aria-invalid="true"] { border-color: #d0342c; }

.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.chip span {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 9px 14px; border-radius: 999px; border: 1px solid var(--line);
  background: var(--surface); font-size: 0.9rem; cursor: pointer; user-select: none;
  transition: border-color .15s, background .15s, color .15s;
}
.chip span::before {
  content: ""; width: 8px; height: 8px; border-radius: 50%; border: 1px solid var(--ink-soft);
  transition: background .15s, box-shadow .15s, border-color .15s;
}
.chip input:checked + span { border-color: var(--red); background: #fff; color: var(--deep); }
.chip input:checked + span::before { background: var(--orange); border-color: var(--orange); box-shadow: 0 0 8px var(--orange); }
.chip input:focus-visible + span { outline: 2px solid var(--red); outline-offset: 2px; }

.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.form-status { min-height: 1.5em; margin: 0; font-size: 0.95rem; }
.form-status[data-state="error"] { color: #b42318; }
.form-status[data-state="success"] { color: #067647; }
.field-error { color: #b42318; font-size: 0.82rem; }

.aside-list { list-style: none; padding: 0; margin: 28px 0 0; display: grid; gap: 14px; }
.aside-list li { display: grid; grid-template-columns: 28px 1fr; gap: 10px; color: var(--ink-soft); font-size: .95rem; }
.aside-list b { color: var(--ink); font-weight: 600; }
.aside-list .dot { width: 8px; height: 8px; margin-top: 8px; border-radius: 50%; background: var(--grad); }

/* ---------- Footer ---------- */

.site-footer {
  margin-top: clamp(72px, 10vw, 120px);
  padding: 40px var(--gutter) 28px; border-top: 1px solid var(--line);
  display: flex; flex-wrap: wrap; gap: 20px; justify-content: space-between; align-items: flex-end;
  font-size: 0.85rem; color: var(--ink-soft);
}
.site-footer nav { display: flex; gap: 18px; }
.site-footer a { text-decoration: none; }
.site-footer a:hover { color: var(--red); }

/* ---------- Reveal on scroll ---------- */

.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */

@media (max-width: 900px) {
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: 1fr 1fr; row-gap: 28px; }
  .inquiry { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .site-header { align-items: center; }
  .site-header.is-open { background: var(--bg); border-bottom: 1px solid var(--line); }
  .brand-tag { display: none; }
  .nav-toggle {
    display: inline-flex; align-items: center; gap: 8px;
    background: none; border: 1px solid var(--ink); border-radius: 999px; padding: 8px 14px;
    font: 600 0.7rem/1 var(--font-mono); letter-spacing: .1em; text-transform: uppercase; color: var(--ink);
  }
  .nav {
    display: none; position: absolute; top: 100%; left: 0; right: 0;
    padding: 12px var(--gutter) 20px; background: var(--bg); border-bottom: 1px solid var(--line);
    align-items: flex-start; gap: 10px;
  }
  .nav a { font-size: 1.3rem; }
  .site-header.is-open .nav { display: flex; }

  .hero-panel { grid-template-columns: 1fr; align-content: end; gap: 22px; padding-bottom: 64px; }
  .hero-side { justify-self: start; }
  .hero-title .indent { padding-left: 0.6em; }
  .grid-3, .grid-2, .steps, .field-row { grid-template-columns: 1fr; }
  .section-head { grid-template-columns: auto 1fr; gap: 16px; }
  .section-head > :last-child { display: none; }
}

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