/* Luvisall Web Factory — site styles
   Dark-only design: every colour is painted explicitly from the tokens below. */

:root {
  --bg: #0B0F14;
  --bg-2: #10161E;
  --bg-3: #151D27;
  --line: #1C2531;
  --line-strong: #2A3644;
  --fg: #E9EEF3;
  --fg-2: #B4BFCB;
  --muted: #8393A3;
  --accent: #4C8DFF;
  --accent-2: #8DB8FF;
  --accent-ink: #06101E;
  --accent-glow: rgba(76, 141, 255, .22);
  --grid-line: rgba(141, 184, 255, .07);

  --font-display: "Bricolage Grotesque", "Helvetica Neue", Arial, sans-serif;
  --font-body: "Instrument Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "Cascadia Mono", Consolas, monospace;

  --gutter: clamp(16px, 5vw, 64px);
  --max: 1200px;
  --radius: 4px;

  --step--1: .875rem;
  --step-0: 1.0625rem;
  --step-1: 1.2rem;
  --step-2: 1.5rem;
  --step-3: clamp(1.8rem, 1.3rem + 2vw, 2.5rem);
  --step-4: clamp(2.5rem, 1.4rem + 5vw, 5.4rem);
}

/* ---------- base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html {
  color-scheme: dark;
  scroll-behavior: smooth;
  scroll-padding-top: 84px;
  -webkit-text-size-adjust: 100%;
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: var(--step-0);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; display: block; }
a { color: var(--accent-2); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: .2em; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 2px; }
::selection { background: var(--accent); color: var(--accent-ink); }

.skip {
  position: absolute; left: -999px; top: 8px; z-index: 100;
  background: var(--accent); color: var(--accent-ink);
  padding: 8px 12px; border-radius: var(--radius); font-weight: 600;
}
.skip:focus { left: 8px; }

.wrap { max-width: var(--max); margin-inline: auto; padding-inline: var(--gutter); }

/* ---------- type ---------- */
h1, h2, h3 { font-family: var(--font-display); text-wrap: balance; }
h1 {
  font-size: var(--step-4); font-weight: 600; line-height: 1.02; letter-spacing: -.025em;
  margin: 0 0 24px;
}
h1 em { font-style: normal; color: var(--accent-2); }
h2 {
  font-size: var(--step-3); font-weight: 600; line-height: 1.1; letter-spacing: -.02em;
  margin: 0; max-width: 22ch;
}
h3 {
  font-size: var(--step-2); font-weight: 600; line-height: 1.15; letter-spacing: -.01em;
  margin: 8px 0 12px;
}
.eyebrow {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-mono); font-size: .74rem; letter-spacing: .12em; text-transform: uppercase;
  color: var(--accent-2); margin: 0 0 20px;
}
.eyebrow::before { content: ""; width: 8px; height: 8px; background: var(--accent); flex: none; }
.tag {
  font-family: var(--font-mono); font-size: .7rem; letter-spacing: .12em; text-transform: uppercase;
  color: var(--accent-2); margin: 0;
}
.copy { color: var(--fg-2); margin: 0; }
.lede { font-size: var(--step-1); line-height: 1.5; color: var(--fg-2); max-width: 36ch; margin: 0 0 32px; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-body); font-weight: 600; font-size: .95rem; line-height: 1;
  padding: 13px 18px; border: 1px solid transparent; border-radius: var(--radius);
  text-decoration: none; cursor: pointer; white-space: nowrap;
  transition: background-color .15s ease, border-color .15s ease, color .15s ease;
}
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--accent); color: var(--accent-ink); }
.btn-primary:hover { background: var(--accent-2); color: var(--accent-ink); }
.btn-ghost { background: transparent; color: var(--fg); border-color: var(--line-strong); }
.btn-ghost:hover { border-color: var(--accent-2); color: var(--accent-2); }
.btn-small { padding: 9px 12px; font-size: .85rem; }
.btn .arrow { display: inline-block; transition: transform .15s ease; }
.btn:hover .arrow { transform: translateX(3px); }
@media (prefers-reduced-motion: reduce) {
  .btn, .btn .arrow, .nav a::after { transition: none; }
}

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(11, 15, 20, .82);
  -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.header-row { display: flex; align-items: center; gap: 32px; min-height: 68px; }
.brand { display: flex; align-items: baseline; gap: 10px; color: var(--fg); margin-right: auto; }
.brand:hover { text-decoration: none; }
.brand .mark { color: var(--accent); align-self: center; }
.brand-name { font-family: var(--font-display); font-weight: 700; font-size: 1.25rem; letter-spacing: -.01em; }
.brand-sub {
  font-family: var(--font-mono); font-size: .68rem; letter-spacing: .14em; text-transform: uppercase;
  color: var(--muted);
}
.nav { display: flex; gap: 28px; }
.nav a { color: var(--fg-2); font-weight: 500; font-size: .95rem; position: relative; }
.nav a::after {
  content: ""; position: absolute; left: 0; right: 100%; bottom: -4px; height: 1px;
  background: var(--accent-2); transition: right .2s ease;
}
.nav a:hover { text-decoration: none; color: var(--fg); }
.nav a:hover::after { right: 0; }
.header-cta { padding: 10px 14px; font-size: .9rem; }
.nav-toggle { display: none; }

/* ---------- hero ---------- */
.hero {
  position: relative; overflow: hidden;
  padding-block: clamp(36px, 5vw, 72px) clamp(56px, 8vw, 110px);
}
.hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 48px 48px;
  -webkit-mask-image: radial-gradient(120% 90% at 15% 0%, #000 0%, transparent 70%);
  mask-image: radial-gradient(120% 90% at 15% 0%, #000 0%, transparent 70%);
}
.hero::after {
  content: ""; position: absolute; pointer-events: none;
  width: min(70vw, 820px); aspect-ratio: 1; left: -15%; top: -45%;
  background: radial-gradient(closest-side, var(--accent-glow), transparent);
}
.hero-grid {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: repeat(12, 1fr); gap: 40px 32px;
}
.hero-copy { grid-column: 1 / 10; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; }
.spec {
  grid-column: 9 / 13;
  display: grid; grid-template-columns: auto 1fr; gap: 12px 20px;
  margin: 0; padding-block: 20px; border-block: 1px solid var(--line-strong);
  font-family: var(--font-mono); font-size: .78rem; line-height: 1.4;
}
.spec dt { color: var(--muted); text-transform: uppercase; letter-spacing: .1em; font-size: .66rem; padding-top: 3px; }
.spec dd { margin: 0; color: var(--fg); }

/* ---------- sections ---------- */
.section { padding-block: clamp(56px, 8vw, 112px); border-top: 1px solid var(--line); }
.section-head {
  display: grid; grid-template-columns: 3fr 9fr; gap: 16px 32px; align-items: start;
  margin-bottom: clamp(32px, 5vw, 56px);
}
.section-head .eyebrow { margin: 0; padding-top: .55rem; }
.section-head--stack { grid-template-columns: 1fr; margin-bottom: 0; }

/* services */
.services { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; }
.service { border-top: 1px solid var(--line-strong); padding-top: 20px; margin: 0; }
.service ul {
  list-style: none; padding: 0; margin: 20px 0 0; display: grid; gap: 8px;
  font-family: var(--font-mono); font-size: .78rem; color: var(--fg-2);
}
.service li { display: flex; gap: 10px; }
.service li::before { content: ""; width: 12px; height: 1px; background: var(--accent); flex: none; margin-top: .6em; }

/* selected work: ledger rows, figure on the right */
.ledger { list-style: none; padding: 0; margin: 0; border-top: 1px solid var(--line-strong); }
.entry {
  display: grid; grid-template-columns: 130px 1fr 230px; gap: 8px 32px; align-items: start;
  padding-block: 22px; border-bottom: 1px solid var(--line);
}
.entry .tag { padding-top: .3rem; }
.entry h3 { margin: 0 0 6px; font-size: var(--step-1); }
.entry .copy { max-width: 60ch; }
.figure {
  margin: 0; padding-top: .25rem; text-align: right;
  font-family: var(--font-mono); font-size: .78rem; line-height: 1.5; color: var(--accent-2);
  font-variant-numeric: tabular-nums;
}

/* process (a real sequence, hence the step numbers) */
.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; }
.step { border-top: 1px solid var(--line-strong); padding-top: 20px; }

/* products */
.feature {
  display: grid; grid-template-columns: 7fr 5fr; gap: 48px; align-items: center;
  background: var(--bg-2); border: 1px solid var(--line);
  padding: clamp(24px, 4vw, 56px);
}
.pill {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: .7rem; letter-spacing: .1em; text-transform: uppercase;
  color: var(--accent-2); border: 1px solid var(--line-strong); border-radius: 999px;
  padding: 6px 12px; margin: 0 0 20px;
}
.pill i { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); animation: pulse 2.4s ease-in-out infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: .35; } }
@media (prefers-reduced-motion: reduce) { .pill i { animation: none; } }
.product-name { font-size: var(--step-4); line-height: 1; letter-spacing: -.03em; margin: 0 0 16px; }
.product-lede { color: var(--fg-2); font-size: var(--step-1); line-height: 1.5; margin: 0 0 24px; max-width: 38ch; }
.checklist {
  list-style: none; padding: 0; margin: 0 0 28px; display: grid; gap: 10px;
  font-family: var(--font-mono); font-size: .8rem; color: var(--fg);
}
.checklist li { display: flex; gap: 12px; align-items: flex-start; }
.checklist li::before { content: "✓"; color: var(--accent); flex: none; width: 14px; }
.link-out { font-family: var(--font-mono); font-size: .85rem; letter-spacing: .02em; }
.feature-note { margin: 24px 0 0; color: var(--muted); font-size: var(--step--1); max-width: 60ch; }

/* phone illustration (pure CSS) */
.phone {
  width: min(270px, 100%); margin-inline: auto; aspect-ratio: 9 / 19;
  border-radius: 36px; background: #05080C; border: 1px solid var(--line-strong); padding: 10px;
  box-shadow: 0 40px 80px -40px var(--accent-glow);
}
.screen {
  height: 100%; border-radius: 27px; background: #0E141B; overflow: hidden;
  display: flex; flex-direction: column; padding: 16px 16px 14px;
  font-size: .78rem; line-height: 1.3; color: var(--fg);
}
.s-top {
  display: flex; justify-content: space-between; align-items: center;
  font-family: var(--font-mono); font-size: .66rem; color: var(--muted); margin-bottom: 22px;
}
.s-dots { display: flex; gap: 3px; align-items: center; }
.s-dots i { width: 4px; height: 4px; border-radius: 50%; background: var(--muted); }
.s-title { font-family: var(--font-display); font-weight: 600; font-size: 1.15rem; letter-spacing: -.01em; margin: 0 0 4px; }
.s-meta { font-family: var(--font-mono); font-size: .64rem; color: var(--muted); margin: 0 0 8px; }
.s-aisle {
  font-family: var(--font-mono); font-size: .58rem; letter-spacing: .12em; text-transform: uppercase;
  color: var(--accent-2); margin: 12px 0 4px;
}
.s-item { display: flex; align-items: center; gap: 10px; padding: 6px 0; border-bottom: 1px solid var(--line); }
.s-box { width: 14px; height: 14px; border: 1px solid var(--line-strong); border-radius: 3px; flex: none; position: relative; }
.s-item.done .s-box { background: var(--accent); border-color: var(--accent); }
.s-item.done .s-box::after {
  content: ""; position: absolute; left: 4px; top: 1px; width: 4px; height: 8px;
  border: solid var(--accent-ink); border-width: 0 2px 2px 0; transform: rotate(45deg);
}
.s-item.done .s-name { color: var(--muted); text-decoration: line-through; }
.s-qty { margin-left: auto; font-family: var(--font-mono); font-size: .64rem; color: var(--muted); }
.s-btn {
  margin-top: auto; background: var(--accent); color: var(--accent-ink);
  font-weight: 600; text-align: center; padding: 11px; border-radius: 8px; font-size: .8rem;
}

/* about + contact */
.about-grid, .contact-grid { display: grid; grid-template-columns: 5fr 7fr; gap: 32px 48px; align-items: start; }
.about-copy p { color: var(--fg-2); margin: 0 0 1em; max-width: 60ch; }
.tags { list-style: none; padding: 0; margin: 24px 0 0; display: flex; flex-wrap: wrap; gap: 8px; }
.tags li {
  font-family: var(--font-mono); font-size: .74rem; letter-spacing: .04em;
  border: 1px solid var(--line-strong); padding: 6px 10px; color: var(--fg-2);
}
.contact-lede { color: var(--fg-2); margin: 16px 0 0; max-width: 40ch; }
.contact-card { display: grid; gap: 20px; justify-items: start; }
.email {
  font-family: var(--font-display); font-size: var(--step-3); font-weight: 600; letter-spacing: -.02em;
  color: var(--fg); overflow-wrap: anywhere; line-height: 1.1;
}
.email:hover { color: var(--accent-2); text-decoration: none; }
.office {
  font-style: normal; font-family: var(--font-mono); font-size: .8rem; line-height: 1.6; color: var(--fg-2);
  padding-top: 20px; border-top: 1px solid var(--line-strong); width: 100%; max-width: 360px;
}
.office .tag { display: block; margin-bottom: 8px; }

/* ---------- footer ---------- */
.site-footer { border-top: 1px solid var(--line); padding-block: 32px 40px; }
.footer-row {
  display: flex; flex-wrap: wrap; gap: 16px 32px; align-items: center; justify-content: space-between;
  font-family: var(--font-mono); font-size: .74rem; color: var(--muted);
}
.footer-brand { display: flex; align-items: center; gap: 10px; }
.footer-brand .mark { color: var(--accent); flex: none; }
.footer-nav { display: flex; flex-wrap: wrap; gap: 20px; }
.footer-nav a { color: var(--fg-2); }

/* ---------- secondary pages (legal, 404) ---------- */
.page-head { padding-block: clamp(48px, 8vw, 96px) 0; }
.page-head h1 { font-size: var(--step-3); margin-bottom: 12px; }
.page-head .lede { margin-bottom: 0; max-width: 50ch; }
.prose { max-width: 68ch; padding-block: clamp(32px, 5vw, 56px) clamp(56px, 8vw, 112px); }
.prose h2 { font-size: var(--step-2); margin: 2.2em 0 .6em; max-width: none; }
.prose h2:first-child { margin-top: 0; }
.prose p, .prose li { color: var(--fg-2); }
.prose ul { padding-left: 1.2em; }
.prose li { margin-bottom: .4em; }
.prose .updated { font-family: var(--font-mono); font-size: .78rem; color: var(--muted); }
.spec--wide { grid-column: auto; font-size: .82rem; margin: 0 0 8px; }
.spec--wide dt { min-width: 130px; }
.center-page { min-height: 60vh; display: grid; align-content: center; padding-block: 64px; }
.center-page h1 { font-size: var(--step-3); }

/* ---------- responsive ---------- */
@media (max-width: 1000px) {
  .hero-grid { grid-template-columns: 1fr; }   /* 12 columns of gap alone would overflow a phone */
  .hero-copy { grid-column: 1 / -1; }
  .spec { grid-column: 1 / -1; max-width: 520px; }
  .services, .steps { grid-template-columns: 1fr 1fr; }
  .feature { grid-template-columns: 1fr; }
  .section-head { grid-template-columns: 1fr; }
  .section-head .eyebrow { padding-top: 0; }
  .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .entry { grid-template-columns: 110px 1fr; }
  .figure { grid-column: 2; text-align: left; padding-top: 0; }
}
@media (max-width: 760px) {
  .header-row { gap: 16px; }
  .header-cta { display: none; }
  .nav { display: none; }
  .site-header.open .nav {
    display: flex; flex-direction: column; gap: 4px;
    position: absolute; top: 100%; left: 0; right: 0;
    background: var(--bg-2); border-bottom: 1px solid var(--line);
    padding: 12px var(--gutter) 20px;
  }
  .site-header.open .nav a { padding: 10px 0; font-size: 1.05rem; }
  .site-header.open .nav a::after { display: none; }
  .nav-toggle {
    display: inline-flex; align-items: center;
    font: inherit; font-weight: 600; font-size: .9rem; color: var(--fg);
    background: transparent; border: 1px solid var(--line-strong); border-radius: var(--radius);
    padding: 9px 12px; cursor: pointer;
  }
  .services, .steps { grid-template-columns: 1fr; }
  .hero-grid { gap: 32px; }
  .entry { grid-template-columns: 1fr; gap: 6px; }
  .entry .tag { padding-top: 0; }
  .figure { grid-column: auto; }
}