/* ============================================================================
   wivo.my — landing page
   The Industry system at marketing scale: a drawing sheet rather than a
   brochure. Numbered sections, hairline frames, registration marks, condensed
   headlines over Barlow body, and the steel accent used sparingly enough that
   it still means something when it appears.
   ========================================================================= */

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

html { scroll-behavior: smooth; scroll-padding-top: 88px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--ink-1);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  /* The drafting-board grid, barely there */
  background-image:
    linear-gradient(var(--color-divider-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-divider-soft) 1px, transparent 1px);
  background-size: 34px 34px;
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.06;
  letter-spacing: -.02em;
  margin: 0;
}
p { margin: 0; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
code {
  font-family: var(--font-mono);
  font-size: .86em;
  background: var(--wash-2);
  padding: .1em .35em;
}
kbd {
  font-family: var(--font-semi);
  font-size: .78em;
  letter-spacing: .06em;
  border: 1px solid var(--color-divider);
  padding: .1em .4em;
  background: var(--color-surface-2);
  white-space: nowrap;
}
:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 3px; }
::selection { background: var(--wash-accent-strong); }

.skip {
  position: absolute; left: -9999px; top: 0; z-index: 100;
  background: var(--color-accent); color: var(--ink-inverse);
  padding: var(--space-3) var(--space-4);
}
.skip:focus { left: 0; }

/* ── Shared frame ───────────────────────────────────────────────────────── */
.blueprint { position: relative; border: 1px solid var(--color-divider); }
.blueprint > .corner {
  position: absolute; width: 11px; height: 11px;
  color: color-mix(in srgb, var(--color-text) 40%, transparent);
  pointer-events: none;
}
.blueprint > .corner::before, .blueprint > .corner::after { content: ""; position: absolute; background: currentColor; }
.blueprint > .corner::before { left: 5px; top: 0; width: 1px; height: 100%; }
.blueprint > .corner::after  { top: 5px; left: 0; width: 100%; height: 1px; }
.blueprint > .corner.tl { top: -6px; left: -6px; }
.blueprint > .corner.tr { top: -6px; right: -6px; }
.blueprint > .corner.bl { bottom: -6px; left: -6px; }
.blueprint > .corner.br { bottom: -6px; right: -6px; }

.kicker {
  display: block;
  font-family: var(--font-semi);
  font-size: 10px; font-weight: 500;
  letter-spacing: .16em; text-transform: uppercase;
  color: var(--ink-3);
}
.sheet-no {
  font-family: var(--font-semi);
  font-size: 10.5px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--color-accent-700);
  margin-bottom: var(--space-4) !important;
}

/* ── Buttons ────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 7px;
  font-family: var(--font-heading); font-weight: 600;
  font-size: 15px; line-height: 1.2;
  padding: 11px 20px;
  border: 1px solid var(--color-divider);
  background: transparent;
  color: var(--ink-1);
  cursor: pointer;
  transition: background-color .14s ease, border-color .14s ease, transform .14s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--color-accent); border-color: var(--color-accent); color: var(--ink-inverse); }
.btn-primary:hover { background: var(--color-accent-600); border-color: var(--color-accent-600); }
.btn-secondary:hover { background: var(--wash-2); }
.btn-ghost { border-color: transparent; color: var(--color-accent-700); padding: 4px 8px; }
.btn-ghost:hover { background: var(--wash-accent); }
.btn-sm { font-size: 13px; padding: 7px 13px; }
.btn-xs { font-size: 11.5px; padding: 3px 8px; }
.btn-block { width: 100%; margin-top: auto; }

.tag {
  display: inline-flex; align-items: center;
  font-family: var(--font-semi);
  font-size: 10.5px; letter-spacing: .07em; text-transform: uppercase;
  padding: 3px 9px;
}
.tag-neutral { background: var(--wash-2); color: var(--ink-2); }
.tag-accent { background: var(--color-accent-100); color: var(--color-accent-800); }

/* ══ Nav ════════════════════════════════════════════════════════════════ */
.nav {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; gap: var(--space-6);
  padding: var(--space-3) var(--space-8);
  background: color-mix(in srgb, var(--color-bg) 88%, transparent);
  backdrop-filter: blur(9px);
  border-bottom: 1px solid var(--color-divider);
}
.brand { display: inline-flex; align-items: center; gap: 9px; flex: none; }
.brand-mark {
  display: grid; place-items: center;
  width: 28px; height: 28px;
  border: 1px solid var(--color-accent);
  background: var(--color-accent-100);
  color: var(--color-accent-800);
  font-family: var(--font-heading); font-weight: 700; font-size: 15px;
}
.brand-name {
  font-family: var(--font-heading); font-weight: 700;
  font-size: 20px; letter-spacing: .01em;
}
.brand-name .dot { color: var(--color-accent); }

.nav-links { display: flex; gap: var(--space-5); margin-left: auto; }
.nav-links a {
  font-family: var(--font-semi);
  font-size: 13px; letter-spacing: .03em;
  color: var(--ink-2);
  padding: 4px 0;
  border-bottom: 1px solid transparent;
}
.nav-links a:hover { color: var(--ink-1); border-bottom-color: var(--color-accent); }
.nav-actions { display: flex; gap: var(--space-2); flex: none; }
.nav-toggle { display: none; }

/* ══ Hero ═══════════════════════════════════════════════════════════════ */
.hero { padding: clamp(40px, 7vw, 92px) var(--space-8) clamp(44px, 6vw, 80px); }
.hero-grid {
  max-width: 1320px; margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: start;
}

.hero-copy h1 {
  font-size: clamp(38px, 4.9vw, 66px);
  margin-bottom: var(--space-5);
  max-width: 21ch;
  text-wrap: balance;
}
.hero-copy h1 em { font-style: normal; color: var(--color-accent-700); display: block; }

.lede {
  font-size: clamp(16px, 1.25vw, 18.5px);
  line-height: 1.55;
  color: var(--ink-2);
  max-width: 46ch;
}

.letters {
  display: flex; flex-wrap: wrap; gap: var(--space-2) var(--space-5);
  margin: var(--space-6) 0;
  padding: var(--space-3) 0;
  border-top: 1px solid var(--color-divider);
  border-bottom: 1px solid var(--color-divider);
}
.letters span {
  font-family: var(--font-semi);
  font-size: 12.5px; letter-spacing: .12em; text-transform: uppercase;
  color: var(--ink-3);
}
.letters b {
  font-family: var(--font-heading); font-weight: 700;
  font-size: 17px; color: var(--color-accent-700);
  margin-right: 1px;
}

.hero-cta { display: flex; flex-wrap: wrap; gap: var(--space-3); margin-bottom: var(--space-4); }
.hero-foot { font-size: 13px; color: var(--ink-3); }

/* ── The live analyser ──────────────────────────────────────────────────── */
.demo {
  background: var(--color-bg);
  display: flex; flex-direction: column;
  box-shadow: var(--shadow-md);
}
.demo-head {
  display: flex; align-items: center; gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-divider);
}
.demo-head .kicker { flex: 1; }

.demo-paper { padding: var(--space-5) var(--space-5) var(--space-4); background: var(--color-paper); }
.demo-text {
  font-size: 15.5px;
  line-height: 1.72;
  color: var(--ink-1);
  outline: none;
  caret-color: var(--color-accent);
  min-height: 116px;
}
.demo-text:focus-visible { outline: none; }

.demo-scores {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--color-divider);
}
.score {
  padding: var(--space-3) var(--space-4);
  border-right: 1px solid var(--color-divider);
  min-width: 0;
}
.score:last-child { border-right: 0; }
.score .l {
  font-family: var(--font-semi);
  font-size: 9.5px; letter-spacing: .13em; text-transform: uppercase;
  color: var(--ink-3);
  display: block;
}
.score .v {
  font-weight: 600; font-size: 26px; line-height: 1.1;
  letter-spacing: -.02em;
  font-variant-numeric: lining-nums;
}
.score .v small { font-size: .46em; font-weight: 500; color: var(--ink-3); margin-left: 3px; }
.score .f { font-size: 11px; color: var(--ink-4); }
.score[data-sev="good"] .v { color: var(--status-good-ink); }
.score[data-sev="warning"] .v { color: var(--status-warning-ink); }
.score[data-sev="serious"] .v { color: var(--status-serious-ink); }
.score[data-sev="critical"] .v { color: var(--status-critical-ink); }

.demo-lenses {
  display: flex; flex-wrap: wrap; gap: 5px;
  padding: var(--space-3) var(--space-4) 0;
}
.chip {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 11.5px;
  padding: 3px 8px;
  border: 1px solid var(--color-divider);
  color: var(--ink-3);
}
.chip i { width: 8px; height: 8px; flex: none; }
.chip.is-on { color: var(--ink-1); border-color: color-mix(in srgb, var(--color-text) 30%, transparent); }
.chip b { font-variant-numeric: tabular-nums; font-weight: 600; }

.demo-note {
  padding: var(--space-3) var(--space-4) var(--space-4);
  font-size: 12.5px; line-height: 1.5; color: var(--ink-3);
}

/* The lens underlines, reused from the app's highlight vocabulary */
::highlight(demo-passive) { background-color: color-mix(in srgb, var(--lens-passive) 17%, transparent); text-decoration: underline wavy var(--lens-passive); text-underline-offset: 4px; }
::highlight(demo-adverb)  { background-color: color-mix(in srgb, var(--lens-adverb) 20%, transparent); text-decoration: underline dotted var(--lens-adverb); text-underline-offset: 4px; }
::highlight(demo-hedge)   { background-color: color-mix(in srgb, var(--lens-hedge) 18%, transparent); text-decoration: underline dotted var(--lens-hedge); text-underline-offset: 4px; }
::highlight(demo-wordy)   { background-color: color-mix(in srgb, var(--lens-wordy) 18%, transparent); text-decoration: underline wavy var(--lens-wordy); text-underline-offset: 4px; }
::highlight(demo-cliche)  { background-color: color-mix(in srgb, var(--lens-cliche) 18%, transparent); text-decoration: underline wavy var(--lens-cliche); text-underline-offset: 4px; }
::highlight(demo-complex) { background-color: color-mix(in srgb, var(--lens-complex) 17%, transparent); text-decoration: underline dotted var(--lens-complex); text-underline-offset: 4px; }
::highlight(demo-repeat)  { background-color: color-mix(in srgb, var(--lens-repeat) 18%, transparent); text-decoration: underline dotted var(--lens-repeat); text-underline-offset: 4px; }
::highlight(demo-long)    { background-color: color-mix(in srgb, var(--lens-long) 11%, transparent); }

/* ══ Bands ══════════════════════════════════════════════════════════════ */
.band { padding: clamp(52px, 7vw, 104px) var(--space-8); }
.band-alt { background: color-mix(in srgb, var(--color-surface) 62%, transparent); border-block: 1px solid var(--color-divider); }

.band-head { max-width: 1320px; margin: 0 auto clamp(30px, 4vw, 54px); }
.band-head h2 { font-size: clamp(31px, 3.6vw, 50px); margin-bottom: var(--space-4); max-width: 18ch; }
.band-lede { font-size: clamp(15px, 1.15vw, 17px); color: var(--ink-2); max-width: 62ch; line-height: 1.55; }
.band-foot {
  max-width: 1320px; margin: clamp(28px, 3vw, 44px) auto 0;
  padding-top: var(--space-5);
  border-top: 1px solid var(--color-divider);
  font-size: 13.5px; color: var(--ink-3); max-width: 78ch; line-height: 1.6;
}

/* ── Rooms (W I V O) ────────────────────────────────────────────────────── */
.rooms {
  max-width: 1320px; margin: 0 auto;
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(26px, 3vw, 42px);
}
.room {
  background: var(--color-bg);
  padding: var(--space-6);
  display: flex; flex-direction: column; gap: var(--space-3);
  transition: border-color .16s ease, transform .16s ease;
}
.room:hover { border-color: var(--color-accent); transform: translateY(-2px); }
.room-letter {
  position: absolute; top: var(--space-4); right: var(--space-5);
  font-family: var(--font-heading); font-weight: 700;
  font-size: 58px; line-height: 1;
  color: var(--color-accent);
  opacity: .16;
  pointer-events: none;
}
.room h3 { font-size: 27px; }
.room > p { color: var(--ink-2); font-size: 14.5px; line-height: 1.6; max-width: 52ch; }
.room-list { display: flex; flex-direction: column; gap: 5px; }
.room-list li {
  position: relative;
  padding-left: 16px;
  font-size: 13.5px;
  color: var(--ink-3);
}
.room-list li::before {
  content: ""; position: absolute; left: 0; top: .62em;
  width: 7px; height: 1px; background: var(--color-accent);
}
.room-art {
  margin-top: var(--space-3);
  border: 1px solid var(--color-divider-soft);
  background: var(--color-surface-2);
  padding: var(--space-3);
  min-height: 108px;
  display: flex; align-items: center;
}
.room-art svg { display: block; width: 100%; height: auto; overflow: visible; }

/* mini page drawing for W */
.mini-page { display: flex; gap: 7px; width: 100%; }
.mini-rail { width: 16px; display: flex; flex-direction: column; gap: 3px; flex: none; }
.mini-rail i { height: 11px; background: var(--wash-2); }
.mini-rail i:first-child { background: var(--color-accent); }
.mini-doc { flex: 1; background: var(--color-paper); border: 1px solid var(--color-divider); padding: 9px 11px; display: flex; flex-direction: column; gap: 4px; }
.mini-doc i { height: 3px; background: var(--wash-3); }
.mini-doc i.t { height: 7px; width: 58%; background: var(--color-accent-700); margin-bottom: 3px; }
.mini-doc i.h { height: 4px; width: 38%; background: color-mix(in srgb, var(--color-text) 42%, transparent); margin-top: 4px; }
.mini-ribbon { display: flex; gap: 3px; margin-bottom: 5px; }
.mini-ribbon i { width: 13px; height: 9px; background: var(--wash-2); border: 1px solid var(--color-divider-soft); }
.mini-ribbon i.on { background: var(--color-accent-200); border-color: var(--color-accent); }

/* lens list for I */
.mini-lenses { display: flex; flex-direction: column; gap: 4px; width: 100%; }
.mini-lens { display: flex; align-items: center; gap: 7px; font-size: 11.5px; color: var(--ink-2); }
.mini-lens i { width: 8px; height: 8px; flex: none; }
.mini-lens b { margin-left: auto; font-variant-numeric: tabular-nums; font-size: 11px; color: var(--ink-3); }

/* card grid for O */
.mini-cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 7px; width: 100%; }
.mini-card { aspect-ratio: 8.5/11; background: var(--color-paper); border: 1px solid var(--color-divider); padding: 6px 5px; display: flex; flex-direction: column; gap: 2.5px; }
.mini-card i { height: 2px; background: var(--wash-3); }
.mini-card i.t { height: 4px; width: 62%; background: var(--color-accent-700); margin-bottom: 2px; }
.mini-card.is-on { border-color: var(--color-accent); box-shadow: 0 0 0 1px var(--color-accent); }

/* ── Lens grid ──────────────────────────────────────────────────────────── */
.lens-grid {
  max-width: 1320px; margin: 0 auto;
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(18px, 2vw, 30px);
}
.lens-card {
  background: var(--color-bg);
  padding: var(--space-4);
  display: flex; flex-direction: column; gap: var(--space-2);
  min-width: 0;
}
.lens-card .top { display: flex; align-items: center; gap: 8px; }
.lens-card .key { width: 10px; height: 10px; flex: none; }
.lens-card h3 { font-size: 18px; }
.lens-card .what { font-size: 13px; color: var(--ink-3); line-height: 1.5; }
.lens-card .eg {
  font-size: 13.5px; line-height: 1.55;
  padding: var(--space-2) var(--space-3);
  background: var(--color-surface-2);
  border-left: 2px solid currentColor;
  color: var(--ink-2);
}
.lens-card .eg mark { background: none; color: inherit; font-weight: 600; box-shadow: inset 0 -2px 0 currentColor; padding-bottom: 1px; }
.lens-card .fix { font-size: 12.5px; color: var(--ink-3); }
.lens-card .fix b { color: var(--color-accent-700); }

/* ── Chart strip ────────────────────────────────────────────────────────── */
.chart-strip {
  max-width: 1320px; margin: 0 auto;
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(20px, 2.4vw, 36px);
}
.viz-card { background: var(--color-bg); }

/* ── Custody ────────────────────────────────────────────────────────────── */
.custody {
  max-width: 1320px; margin: 0 auto;
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(24px, 3vw, 40px);
}
.cust {
  background: var(--color-bg);
  padding: var(--space-6);
  display: flex; flex-direction: column; gap: var(--space-3);
}
.cust.is-lead { border-color: var(--color-accent); box-shadow: inset 0 0 0 1px var(--color-accent); }
.cust-no {
  font-family: var(--font-heading); font-weight: 700;
  font-size: 13px; letter-spacing: .14em;
  color: var(--color-accent);
}
.cust h3 { font-size: 24px; }
.cust-lede { font-size: 14.5px; color: var(--ink-1); font-weight: 500; }
.cust p { font-size: 13.5px; color: var(--ink-3); line-height: 1.6; }
.cust .tag { margin-top: auto; align-self: flex-start; }

.custody-note {
  max-width: 1320px; margin: clamp(26px, 3vw, 42px) auto 0;
  padding: var(--space-6);
  background: var(--color-bg);
  border-left: 3px solid var(--color-accent);
}
.custody-note h4 { font-size: 19px; margin-bottom: var(--space-2); }
.custody-note p { font-size: 14px; color: var(--ink-2); line-height: 1.65; max-width: 88ch; }

/* ── Plans ──────────────────────────────────────────────────────────────── */
.plans {
  max-width: 1320px; margin: 0 auto;
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(24px, 3vw, 40px);
}
.plan {
  background: var(--color-bg);
  padding: var(--space-6);
  display: flex; flex-direction: column; gap: var(--space-3);
}
.plan.is-lead { border-color: var(--color-accent); box-shadow: inset 0 0 0 1px var(--color-accent); }
.plan-flag {
  position: absolute; top: -1px; right: -1px;
  background: var(--color-accent); color: var(--ink-inverse);
  font-family: var(--font-semi); font-size: 10px;
  letter-spacing: .12em; text-transform: uppercase;
  padding: 4px 10px;
}
.plan h3 { font-size: 25px; }
.plan-price { display: flex; align-items: baseline; gap: 6px; }
.plan-price .amount { font-family: var(--font-heading); font-weight: 700; font-size: 44px; line-height: 1; letter-spacing: -.02em; }
.plan-price .per { font-size: 13px; color: var(--ink-3); }
.plan-sub { font-size: 13.5px; color: var(--ink-3); line-height: 1.5; min-height: 3em; }
.plan ul { display: flex; flex-direction: column; gap: 6px; margin-bottom: var(--space-4); }
.plan li { position: relative; padding-left: 18px; font-size: 13.5px; color: var(--ink-2); }
.plan li::before {
  content: ""; position: absolute; left: 0; top: .48em;
  width: 6px; height: 3px;
  border-left: 1.5px solid var(--color-accent);
  border-bottom: 1.5px solid var(--color-accent);
  transform: rotate(-45deg);
}

/* ── Close ──────────────────────────────────────────────────────────────── */
.close {
  padding: clamp(60px, 8vw, 116px) var(--space-8);
  background: var(--color-accent-900);
  color: #f2f2f3;
  text-align: center;
}
.close-inner { max-width: 640px; margin: 0 auto; display: flex; flex-direction: column; align-items: center; gap: var(--space-4); }
.close .sheet-no { color: var(--color-accent-400); }
.close h2 { font-size: clamp(34px, 4.4vw, 58px); color: inherit; }
.close .lede { color: color-mix(in srgb, #f2f2f3 74%, transparent); }
.close .btn-primary {
  background: #f2f2f3; border-color: #f2f2f3; color: var(--color-accent-900);
  margin-top: var(--space-2);
}
.close .btn-primary:hover { background: #fff; border-color: #fff; }

/* ── Footer ─────────────────────────────────────────────────────────────── */
.foot { padding: clamp(40px, 5vw, 66px) var(--space-8) var(--space-8); }
.foot-grid {
  max-width: 1320px; margin: 0 auto;
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-8);
}
.foot-grid > div { display: flex; flex-direction: column; gap: 7px; }
.foot-grid p { font-size: 13px; color: var(--ink-3); }
.foot-grid a { font-size: 13.5px; color: var(--ink-2); }
.foot-grid a:hover { color: var(--color-accent-700); }
.foot-note {
  max-width: 1320px; margin: var(--space-8) auto 0;
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-divider);
  font-size: 12.5px; color: var(--ink-4);
}

/* ══ Responsive ═════════════════════════════════════════════════════════ */
@media (max-width: 1080px) {
  .hero-grid { grid-template-columns: minmax(0, 1fr); }
  .lens-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .chart-strip, .custody, .plans { grid-template-columns: minmax(0, 1fr); }
  .foot-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 860px) {
  .nav { gap: var(--space-3); padding: var(--space-3) var(--space-5); }
  .nav-links {
    display: none;
    position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; gap: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-divider);
    padding: var(--space-3) var(--space-5);
  }
  .nav-links.is-open { display: flex; }
  .nav-links a { padding: 9px 0; border-bottom: 1px solid var(--color-divider-soft); }
  .nav-toggle {
    display: grid; place-items: center;
    width: 34px; height: 30px; margin-left: auto;
    border: 1px solid var(--color-divider);
    background: transparent; cursor: pointer;
  }
  .nav-actions { margin-left: 0; }
  .nav-actions .btn-secondary { display: none; }
  .band, .hero, .foot { padding-inline: var(--space-5); }
  .rooms { grid-template-columns: minmax(0, 1fr); }
  .demo-scores { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .score:nth-child(2n) { border-right: 0; }
  .score:nth-child(-n+2) { border-bottom: 1px solid var(--color-divider); }
}
@media (max-width: 560px) {
  .lens-grid { grid-template-columns: minmax(0, 1fr); }
  .foot-grid { grid-template-columns: 1fr; }
  .hero-copy h1 { max-width: none; }
}

@media (prefers-reduced-motion: reduce) {
  .btn:hover, .room:hover { transform: none; }
}