/* Helio storefront — ink + copper. System fonts only. */
:root {
  --ink: #0b0f14;
  --ink-2: #121820;
  --ink-3: #1a222c;
  --ink-4: #24303c;
  --paper: #ede6d9;
  --paper-2: #d9d1c3;
  --mute: #8b8378;
  --mute-2: #6e675e;
  --copper: #d46a3a;
  --copper-hot: #e8854f;
  --copper-dim: #a3522c;
  --line: rgba(237, 230, 217, 0.14);
  --line-strong: rgba(237, 230, 217, 0.28);
  --danger: #e07070;
  --ok: #7dba7a;
  --serif: "Palatino Linotype", Palatino, "Book Antiqua", "Iowan Old Style", Georgia, "Times New Roman", Times, serif;
  --sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  --measure: 72rem;
  --gutter: 1.5rem;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--ink);
  color: var(--paper);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
::selection { background: var(--copper); color: var(--ink); }
a { color: var(--paper); text-decoration-thickness: 1px; text-underline-offset: 0.22em; }
a:hover { color: var(--copper-hot); }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {
  outline: 2px solid var(--copper);
  outline-offset: 3px;
}
.skip {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--copper);
  color: var(--ink);
  padding: 0.5rem 0.8rem;
  z-index: 100;
}
.skip:focus { left: 0.75rem; top: 0.75rem; }

.wrap { width: min(var(--measure), calc(100% - 2 * var(--gutter))); margin-inline: auto; }
.rule { border: 0; border-top: 1px solid var(--line); margin: 0; }

/* Header */
.mast {
  position: sticky;
  top: 0;
  z-index: 40;
  background: color-mix(in srgb, var(--ink) 92%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.mast-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 3.5rem;
  padding-block: 0.4rem;
}
.mark {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: var(--paper);
  letter-spacing: 0.18em;
  font-size: 0.78rem;
  font-weight: 600;
}
.mark:hover { color: var(--paper); }
.mark-sq {
  width: 0.7rem;
  height: 0.7rem;
  background: var(--copper);
  display: inline-block;
}
.nav {
  display: flex;
  align-items: center;
  gap: 1.35rem;
  font-size: 0.86rem;
}
.nav a { text-decoration: none; color: var(--paper-2); }
.nav a:hover, .nav a[aria-current="page"] { color: var(--paper); }
.nav a[aria-current="page"] { box-shadow: inset 0 -2px 0 var(--copper); }
.nav-actions { display: flex; align-items: center; gap: 0.65rem; }
.lang {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  background: transparent;
  color: var(--paper);
  border: 1px solid var(--line-strong);
  padding: 0.35rem 0.55rem;
  cursor: pointer;
  text-transform: uppercase;
}
.lang:hover { border-color: var(--copper); color: var(--copper-hot); }
.burger {
  display: none;
  background: transparent;
  border: 1px solid var(--line-strong);
  color: var(--paper);
  width: 2.4rem;
  height: 2.4rem;
  cursor: pointer;
}
.burger span, .burger span::before, .burger span::after {
  display: block;
  width: 1rem;
  height: 1px;
  background: currentColor;
  position: relative;
  margin: 0 auto;
}
.burger span::before, .burger span::after {
  content: "";
  position: absolute;
  left: 0;
}
.burger span::before { top: -5px; }
.burger span::after { top: 5px; }

/* Type */
.kicker {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--copper);
  margin: 0 0 0.85rem;
}
h1, h2, h3, h4 { font-family: var(--serif); font-weight: 500; letter-spacing: -0.02em; line-height: 1.12; margin: 0; }
h1 { font-size: clamp(2.4rem, 5.4vw, 4.4rem); }
h2 { font-size: clamp(1.7rem, 3vw, 2.4rem); }
h3 { font-size: 1.25rem; }
.lede {
  font-size: 1.12rem;
  color: var(--paper-2);
  max-width: 38rem;
  margin: 1.1rem 0 0;
}
.mute { color: var(--mute); }
.small { font-size: 0.86rem; color: var(--mute); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  font-family: var(--sans);
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid transparent;
  padding: 0.72rem 1.1rem;
  cursor: pointer;
  line-height: 1;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease, transform 0.15s ease;
}
.btn:active { transform: translateY(1px); }
.btn-copper {
  background: var(--copper);
  color: var(--ink);
  border-color: var(--copper);
}
.btn-copper:hover { background: var(--copper-hot); color: var(--ink); }
.btn-ghost {
  background: transparent;
  color: var(--paper);
  border-color: var(--line-strong);
}
.btn-ghost:hover { border-color: var(--copper); color: var(--copper-hot); }
.btn-row { display: flex; flex-wrap: wrap; gap: 0.7rem; margin-top: 1.5rem; }

/* Hero */
.hero {
  padding: 4.2rem 0 3.4rem;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3rem;
  align-items: end;
}
.hero-meta {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--mute);
  letter-spacing: 0.08em;
  border-left: 2px solid var(--copper);
  padding-left: 1rem;
  line-height: 1.7;
}
.hero-meta strong { color: var(--paper); font-weight: 500; display: block; font-family: var(--sans); letter-spacing: 0; font-size: 0.95rem; margin-bottom: 0.35rem; }

/* Product cards */
.products {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin: 0 0 4rem;
}
.product {
  background: var(--ink-2);
  padding: 1.8rem 1.6rem 1.5rem;
  display: flex;
  flex-direction: column;
  min-height: 22rem;
}
.product:hover { background: var(--ink-3); }
.product-top { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; }
.price {
  font-family: var(--mono);
  font-size: 1.35rem;
  color: var(--copper);
  letter-spacing: -0.03em;
}
.price span { font-size: 0.72rem; color: var(--mute); letter-spacing: 0.04em; }
.product h2 { margin: 0.35rem 0 0.8rem; font-size: 2rem; }
.product p { color: var(--paper-2); margin: 0 0 1rem; flex: 1; }
.spec {
  list-style: none;
  margin: 0 0 1.3rem;
  padding: 0;
  font-size: 0.88rem;
  color: var(--paper-2);
}
.spec li {
  padding: 0.42rem 0;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: 7.5rem 1fr;
  gap: 0.6rem;
}
.spec b { font-weight: 500; color: var(--mute); font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; padding-top: 0.15rem; }

/* Sections */
.section { padding: 3.4rem 0; }
.section h2 { margin-bottom: 0.75rem; }
.plates {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 1.6rem;
}
.plate {
  border: 1px solid var(--line);
  background: var(--ink-2);
  text-decoration: none;
  color: inherit;
  display: block;
  overflow: hidden;
  min-height: 16rem;
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.plate:hover { border-color: var(--copper); transform: translateY(-2px); color: inherit; }
.plate-viz { height: 9.5rem; border-bottom: 1px solid var(--line); position: relative; overflow: hidden; }
.plate-body { padding: 0.95rem 1rem 1.1rem; }
.plate-body h3 { font-size: 1.15rem; margin-bottom: 0.3rem; }
.plate-body p { margin: 0; font-size: 0.84rem; color: var(--mute); }
.plate-num { font-family: var(--mono); font-size: 0.68rem; color: var(--copper); letter-spacing: 0.12em; }

/* Mini visuals for plates */
.viz-launch {
  background:
    linear-gradient(180deg, #141a22 0%, #0b0f14 100%);
}
.viz-launch::before {
  content: "";
  position: absolute;
  inset: 1.1rem 1.1rem auto auto;
  width: 46%;
  height: 70%;
  border: 1px solid var(--line-strong);
  background: #1a222c;
  box-shadow: -18px 14px 0 0 #121820;
}
.viz-launch::after {
  content: "";
  position: absolute;
  left: 1.1rem;
  top: 1.4rem;
  width: 32%;
  height: 8px;
  background: var(--copper);
}
.viz-service {
  background: #e7dfd2;
}
.viz-service::before {
  content: "";
  position: absolute;
  left: 1.2rem;
  right: 2.2rem;
  top: 1.4rem;
  height: 10px;
  background: #1a1814;
}
.viz-service::after {
  content: "";
  position: absolute;
  left: 1.2rem;
  top: 3rem;
  width: 55%;
  height: 4px;
  background: #c45c26;
  box-shadow: 0 14px 0 0 #b7aea0, 0 28px 0 0 #b7aea0, 0 42px 0 0 #b7aea0;
}
.viz-offer {
  background: #100e0c;
}
.viz-offer::before {
  content: "";
  position: absolute;
  inset: 1.3rem 18% auto 18%;
  height: 22px;
  background: var(--copper);
}
.viz-offer::after {
  content: "";
  position: absolute;
  left: 18%;
  right: 18%;
  top: 4.1rem;
  height: 48px;
  border: 1px solid var(--line-strong);
}

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 2.5rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }
.note {
  border-top: 1px solid var(--line);
  padding-top: 1rem;
  font-size: 0.92rem;
  color: var(--paper-2);
}
.note h3 { margin-bottom: 0.4rem; }
.honest {
  border: 1px solid var(--line);
  padding: 1rem 1.1rem;
  font-size: 0.88rem;
  color: var(--paper-2);
  background: var(--ink-2);
}
.honest strong { color: var(--copper); font-weight: 600; }

/* Page header */
.page-head { padding: 3rem 0 1.5rem; }
.page-head .lede { max-width: 42rem; }

/* Forms */
form.panel {
  background: var(--ink-2);
  border: 1px solid var(--line);
  padding: 1.4rem 1.3rem 1.3rem;
}
.field { margin-bottom: 0.95rem; }
.field label {
  display: block;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mute);
  margin-bottom: 0.35rem;
}
.field input, .field textarea, .field select {
  width: 100%;
  background: var(--ink);
  color: var(--paper);
  border: 1px solid var(--line-strong);
  font-family: var(--sans);
  font-size: 1rem;
  padding: 0.65rem 0.7rem;
  border-radius: 0;
}
.field textarea { min-height: 7.5rem; resize: vertical; }
.field input:hover, .field textarea:hover, .field select:hover { border-color: var(--paper-2); }
.field.has-error input, .field.has-error textarea { border-color: var(--danger); }
.err {
  display: none;
  color: var(--danger);
  font-size: 0.78rem;
  margin-top: 0.3rem;
}
.field.has-error .err { display: block; }
.confirm {
  display: none;
  border: 1px solid var(--copper);
  background: color-mix(in srgb, var(--copper) 12%, var(--ink-2));
  padding: 1rem 1.05rem;
  margin-top: 0.9rem;
  font-size: 0.92rem;
}
.confirm.show { display: block; }
.confirm h3 { font-size: 1.15rem; margin-bottom: 0.35rem; color: var(--copper-hot); }
.choices { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 1rem; }
.choices label {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.9rem;
  color: var(--paper-2);
  cursor: pointer;
  letter-spacing: 0;
  text-transform: none;
  font-family: var(--sans);
}
.choices input { width: auto; accent-color: var(--copper); }

/* Legal */
.legal-body {
  max-width: 42rem;
  padding-bottom: 4rem;
}
.legal-body h2 { margin: 2rem 0 0.6rem; font-size: 1.45rem; }
.legal-body p, .legal-body li { color: var(--paper-2); }
.draft-banner {
  border: 1px solid var(--copper);
  color: var(--copper-hot);
  padding: 0.7rem 0.9rem;
  font-size: 0.84rem;
  margin: 1rem 0 1.5rem;
  font-family: var(--mono);
  letter-spacing: 0.04em;
}

/* Footer */
.foot {
  border-top: 1px solid var(--line);
  padding: 1.6rem 0 2.2rem;
  margin-top: 2rem;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 1.5rem;
  font-size: 0.84rem;
  color: var(--mute);
}
.foot a { color: var(--paper-2); text-decoration: none; }
.foot a:hover { color: var(--copper-hot); }
.foot h4 {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mute);
  margin-bottom: 0.55rem;
  font-weight: 500;
}
.foot ul { list-style: none; margin: 0; padding: 0; }
.foot li { margin: 0.28rem 0; }

/* How */
.steps { counter-reset: step; margin: 1.4rem 0 0; padding: 0; list-style: none; }
.steps li {
  counter-increment: step;
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: 0.8rem;
  padding: 0.9rem 0;
  border-top: 1px solid var(--line);
}
.steps li::before {
  content: counter(step, decimal-leading-zero);
  font-family: var(--mono);
  color: var(--copper);
  font-size: 0.85rem;
  padding-top: 0.2rem;
}

/* Table-like scope */
.scope {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
  margin: 1.2rem 0;
}
.scope th, .scope td {
  text-align: left;
  padding: 0.7rem 0.6rem;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
.scope th {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--mute);
  font-weight: 500;
}
.scope td:first-child { color: var(--paper); width: 34%; }

@media (max-width: 860px) {
  :root { --gutter: 1.1rem; }
  .hero, .products, .plates, .grid-2, .grid-3, .foot { grid-template-columns: 1fr; }
  .nav {
    display: none;
    position: absolute;
    top: 3.5rem;
    left: 0;
    right: 0;
    background: var(--ink-2);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    align-items: stretch;
    padding: 0.6rem 1.1rem 1rem;
    gap: 0.2rem;
  }
  .nav.open { display: flex; }
  .nav a { padding: 0.55rem 0; }
  .burger { display: inline-flex; align-items: center; justify-content: center; }
  .product { min-height: 0; }
  .hero { padding-top: 2.4rem; gap: 1.6rem; }
  .spec li { grid-template-columns: 1fr; gap: 0.15rem; }
}