/* ============================================================================
   ARC — landing page (brand register)
   ============================================================================ */

.landing { background: var(--bg); }
.wrap-x { max-width: 1200px; margin: 0 auto; padding: 0 32px; }

/* ---- Header --------------------------------------------------------------- */
.site-header {
  position: sticky; top: 0; z-index: var(--z-sticky);
  transition: background var(--dur) var(--ease), border-color var(--dur), backdrop-filter var(--dur);
  border-bottom: 1px solid transparent;
}
.site-header.is-stuck { background: oklch(1 0 0 / 0.82); backdrop-filter: blur(14px) saturate(1.4); border-bottom-color: var(--line); }
.site-header__inner { max-width: 1200px; margin: 0 auto; padding: 14px 32px; display: flex; align-items: center; gap: 28px; }
.brand { display: flex; align-items: center; gap: 10px; }
.brand .logo { width: 32px; height: 32px; }
.brand span { font-family: var(--font-display); font-size: 20px; font-weight: 600; letter-spacing: -0.02em; color: var(--brand-ink); }
.brand span em { font-style: normal; color: var(--brand); font-weight: 500; }
.site-nav { display: flex; align-items: center; gap: 26px; margin-left: 8px; }
.site-nav a { font-size: 14px; font-weight: 500; color: var(--ink-2); transition: color var(--dur); }
.site-nav a:hover { color: var(--brand-deep); }
.site-header__cta { margin-left: auto; display: flex; align-items: center; gap: 10px; }
.btn--on-dark { --_bd: oklch(1 0 0 / 0.28); --_fg: #fff; }
.btn--on-dark:hover { --_bg: oklch(1 0 0 / 0.08); }

/* ---- Hero ----------------------------------------------------------------- */
.hero { position: relative; overflow: hidden; background: var(--brand-ink); color: #fff; padding: 96px 0 84px; }
.hero__bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(60% 80% at 78% 12%, oklch(0.5 0.09 200 / 0.55), transparent 60%),
    radial-gradient(50% 60% at 12% 92%, oklch(0.45 0.08 250 / 0.4), transparent 62%),
    linear-gradient(160deg, oklch(0.24 0.035 212), oklch(0.17 0.028 216));
}
.hero__grid {
  position: absolute; inset: 0; opacity: 0.5;
  background-image: linear-gradient(oklch(1 0 0 / 0.04) 1px, transparent 1px), linear-gradient(90deg, oklch(1 0 0 / 0.04) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: radial-gradient(80% 70% at 50% 20%, #000 40%, transparent 85%);
}
.hero__inner { position: relative; max-width: 1200px; margin: 0 auto; padding: 0 32px; display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 56px; align-items: center; }
.hero__kicker {
  display: inline-block; font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.04em;
  color: var(--accent); background: oklch(0.76 0.15 68 / 0.12); border: 1px solid oklch(0.76 0.15 68 / 0.28);
  padding: 6px 12px; border-radius: var(--r-pill); margin-bottom: 24px;
}
.hero h1 { font-size: clamp(38px, 6vw, 78px); font-weight: 500; line-height: 1.0; letter-spacing: -0.035em; color: #fff; }
.hero h1 .ital { font-style: italic; font-weight: 400; color: oklch(0.86 0.05 200); }
.hero__lede { font-size: clamp(16px, 1.4vw, 19px); line-height: 1.55; color: oklch(0.84 0.02 210); max-width: 56ch; margin-top: 24px; }
.hero__actions { display: flex; gap: 14px; margin-top: 34px; flex-wrap: wrap; }
.hero__trust { display: flex; align-items: center; gap: 22px; margin-top: 44px; }
.hero__trust div:not(.sep) b { font-family: var(--font-display); font-size: 26px; font-weight: 600; color: #fff; display: block; line-height: 1; }
.hero__trust div:not(.sep) span { font-size: 12.5px; color: oklch(0.72 0.02 210); }
.hero__trust .sep { width: 1px; height: 34px; background: oklch(1 0 0 / 0.14); }

/* Product glimpse card */
.hero__glass {
  background: oklch(1 0 0 / 0.06); border: 1px solid oklch(1 0 0 / 0.14); border-radius: var(--r-xl);
  padding: 20px; backdrop-filter: blur(20px); box-shadow: var(--sh-pop);
}
.glass-top { display: flex; align-items: center; justify-content: space-between; }
.glass-top .ref { color: oklch(0.86 0.05 200); font-size: 13px; }
.glass-title { color: #fff; font-weight: 600; font-size: 15px; margin-top: 14px; }
.glass-title span { color: oklch(0.72 0.02 210); font-weight: 450; }
.glass-steps { display: flex; gap: 5px; margin: 16px 0 18px; }
.glass-steps span { height: 5px; flex: 1; border-radius: 3px; background: oklch(1 0 0 / 0.15); }
.glass-steps span.on { background: oklch(0.65 0.09 200); }
.glass-steps span.cur { background: var(--accent); box-shadow: 0 0 12px oklch(0.76 0.15 68 / 0.6); }
.glass-feed { display: flex; flex-direction: column; gap: 13px; }
.glass-feed li { display: flex; gap: 11px; }
.glass-feed li i { width: 30px; height: 30px; border-radius: 8px; flex-shrink: 0; background: oklch(1 0 0 / 0.08); position: relative; }
.glass-feed li[data-ch="email"] i { background: oklch(0.55 0.12 250 / 0.25); }
.glass-feed li[data-ch="whatsapp"] i { background: oklch(0.62 0.14 150 / 0.25); }
.glass-feed li[data-ch="doc"] i { background: oklch(0.55 0.13 300 / 0.25); }
.glass-feed li i::after { content: ""; position: absolute; inset: 9px; border-radius: 3px; background: oklch(1 0 0 / 0.5); }
.glass-feed li div { position: relative; flex: 1; }
.glass-feed li b { color: #fff; font-size: 13px; font-weight: 550; display: block; padding-right: 46px; }
.glass-feed li time { position: absolute; right: 0; top: 0; font-size: 11px; color: oklch(0.68 0.02 210); font-variant-numeric: tabular-nums; }
.glass-feed li p { font-size: 12px; color: oklch(0.74 0.02 210); margin-top: 2px; }
.glass-foot { margin-top: 18px; padding-top: 15px; border-top: 1px solid oklch(1 0 0 / 0.12); font-size: 13px; color: oklch(0.74 0.02 210); display: flex; align-items: center; gap: 8px; }
.glass-foot .mono { color: #fff; font-size: 17px; font-weight: 600; }
.glass-foot__spark { margin-left: auto; width: 72px; height: 22px; background:
  linear-gradient(90deg, transparent, transparent) padding-box,
  repeating-linear-gradient(90deg, oklch(0.76 0.15 68 / 0.5) 0 2px, transparent 2px 7px);
  border-radius: 3px; opacity: 0.7; }

/* ---- Strip ---------------------------------------------------------------- */
.strip { border-bottom: 1px solid var(--line); background: var(--surface); }
.strip p { max-width: 900px; margin: 0 auto; padding: 26px 32px; text-align: center; color: var(--ink-2); font-size: 15px; }
.strip b { color: var(--ink); font-weight: 600; }

/* ---- Sections ------------------------------------------------------------- */
.section { padding: 92px 0; }
.section--soft { background: var(--surface); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section--ink { background: var(--brand-ink); color: #fff; position: relative; overflow: hidden; }
.section--ink::before { content: ""; position: absolute; inset: 0; background: radial-gradient(50% 60% at 85% 0%, oklch(0.45 0.08 200 / 0.4), transparent 60%); }
.sec-title { font-size: clamp(28px, 3.6vw, 44px); font-weight: 500; letter-spacing: -0.03em; line-height: 1.05; }
.sec-lede { font-size: clamp(16px, 1.3vw, 18px); line-height: 1.55; color: var(--ink-2); margin-top: 16px; max-width: 60ch; }
.on-ink { color: #fff !important; }
.section--ink .sec-lede, .sec-lede.on-ink { color: oklch(0.82 0.02 210) !important; }
.sec-head-center { text-align: center; max-width: 720px; margin: 0 auto 56px; position: relative; }
.sec-head-center .sec-lede { margin-left: auto; margin-right: auto; }

.tag { background: var(--brand-soft); color: var(--brand-deep); }
.tag--onink { background: oklch(1 0 0 / 0.1); color: var(--accent); }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.split--reverse .feature__media { order: -1; }

.link-arrow { display: inline-flex; align-items: center; gap: 7px; font-weight: 600; font-size: 14.5px; color: var(--brand-deep); margin-top: 20px; transition: gap var(--dur); }
.link-arrow:hover { gap: 11px; }
.link-arrow svg { width: 18px; height: 18px; }
.link-arrow.sm { font-size: 13.5px; margin-top: 14px; }

/* Problem */
.pain { margin-top: 28px; display: flex; flex-direction: column; gap: 13px; }
.pain li { display: flex; align-items: center; gap: 12px; font-size: 15px; color: var(--ink-2); }
.pain svg { width: 18px; height: 18px; color: var(--danger); flex-shrink: 0; padding: 3px; background: var(--danger-bg); border-radius: 50%; }
.shift-card { background: var(--brand-ink); color: #fff; border-radius: var(--r-xl); padding: 40px; box-shadow: var(--sh-3); position: relative; overflow: hidden; }
.shift-card::after { content: ""; position: absolute; right: -60px; top: -60px; width: 200px; height: 200px; border-radius: 50%; background: radial-gradient(oklch(0.76 0.15 68 / 0.35), transparent 70%); }
.shift-card h3 { font-size: 28px; font-weight: 500; letter-spacing: -0.02em; margin: 16px 0 14px; color: #fff; line-height: 1.1; }
.shift-card p { color: oklch(0.82 0.02 210); font-size: 15px; line-height: 1.6; }
.shift-card .link-arrow { color: var(--accent); }

/* Journey */
.journey { position: relative; display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.journey li { background: oklch(1 0 0 / 0.04); border: 1px solid oklch(1 0 0 / 0.1); border-radius: var(--r-lg); padding: 24px; transition: transform var(--dur) var(--ease), background var(--dur), border-color var(--dur); }
.journey li:hover { transform: translateY(-4px); background: oklch(1 0 0 / 0.07); border-color: oklch(0.76 0.15 68 / 0.4); }
.j-n { font-family: var(--font-mono); font-size: 13px; color: var(--accent); font-weight: 600; }
.journey b { display: block; font-family: var(--font-display); font-size: 20px; font-weight: 600; color: #fff; margin: 10px 0 8px; letter-spacing: -0.01em; }
.journey p { font-size: 13.5px; color: oklch(0.78 0.02 210); line-height: 1.5; }

/* Modules */
.modules { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.mod { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg); padding: 28px; transition: transform var(--dur) var(--ease), box-shadow var(--dur), border-color var(--dur); }
.mod:hover { transform: translateY(-4px); box-shadow: var(--sh-2); border-color: var(--brand-line); }
.mod--wide { grid-column: span 2; background: var(--brand-soft); border-color: var(--brand-line); }
.mod__icon { width: 46px; height: 46px; border-radius: var(--r-md); background: var(--brand-ink); display: grid; place-items: center; color: var(--accent); margin-bottom: 18px; }
.mod__icon svg { width: 23px; height: 23px; }
.mod h3 { font-size: 18px; font-weight: 650; letter-spacing: -0.01em; margin-bottom: 8px; }
.mod p { font-size: 14px; color: var(--ink-2); line-height: 1.55; }
.mod__chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.mod__chips span { font-size: 12px; font-weight: 600; padding: 5px 11px; border-radius: var(--r-pill); background: var(--surface); border: 1px solid var(--brand-line); color: var(--brand-deep); }

/* Feature timeline */
.feature__media { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-xl); padding: 30px; box-shadow: var(--sh-2); }
.mini-timeline { display: flex; flex-direction: column; gap: 4px; }
.mt-item { display: flex; align-items: center; gap: 14px; padding: 14px; border-radius: var(--r-md); position: relative; }
.mt-item:not(:last-child)::after { content: ""; position: absolute; left: 30px; top: 46px; bottom: -4px; width: 2px; background: var(--line); }
.mt-item i { width: 34px; height: 34px; border-radius: 50%; flex-shrink: 0; display: grid; place-items: center; z-index: 1; background: var(--surface); border: 2px solid var(--line); }
.mt-item i::after { content: ""; width: 13px; height: 13px; border-radius: 3px; background: currentColor; }
.mt-item[data-ch="email"] i { color: var(--ch-email); border-color: color-mix(in oklch, var(--ch-email) 40%, var(--line)); }
.mt-item[data-ch="call"] i { color: var(--ch-call); border-color: color-mix(in oklch, var(--ch-call) 40%, var(--line)); }
.mt-item[data-ch="whatsapp"] i { color: var(--ch-whatsapp); border-color: color-mix(in oklch, var(--ch-whatsapp) 40%, var(--line)); }
.mt-item[data-ch="doc"] i { color: var(--ch-doc); border-color: color-mix(in oklch, var(--ch-doc) 40%, var(--line)); }
.mt-item[data-ch="system"] i { color: var(--ch-system); }
.mt-item b { display: block; font-size: 14px; font-weight: 600; }
.mt-item span { font-size: 12.5px; color: var(--ink-3); }

.ticks { margin-top: 26px; display: flex; flex-direction: column; gap: 13px; }
.ticks li { position: relative; padding-left: 30px; font-size: 15px; color: var(--ink-2); }
.ticks li::before { content: ""; position: absolute; left: 0; top: 2px; width: 20px; height: 20px; border-radius: 50%; background: var(--brand-soft); }
.ticks li::after { content: ""; position: absolute; left: 6px; top: 8px; width: 8px; height: 5px; border-left: 2px solid var(--brand); border-bottom: 2px solid var(--brand); transform: rotate(-45deg); }

/* Fleet */
.fleet-stats { display: flex; gap: 34px; margin-top: 28px; }
.fleet-stats b { font-size: 34px; font-weight: 600; color: var(--brand-deep); display: block; line-height: 1; letter-spacing: -0.02em; }
.fleet-stats span { font-size: 13px; color: var(--ink-2); }
.fleet-visual { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-xl); padding: 12px; box-shadow: var(--sh-2); }
.fv-row { display: flex; align-items: center; gap: 14px; padding: 16px; border-radius: var(--r-md); transition: background var(--dur); }
.fv-row:hover { background: var(--surface-2); }
.fv-row:not(:last-child) { border-bottom: 1px solid var(--line); }
.fv-veh { display: flex; flex-direction: column; flex: 1; }
.fv-veh b { font-size: 14.5px; font-weight: 600; }
.fv-days { font-family: var(--font-mono); font-size: 14px; color: var(--ink-2); width: 42px; text-align: right; }

/* Band */
.band { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.band-card { border-radius: var(--r-xl); padding: 44px; }
.band-card--track { background: var(--surface); border: 1px solid var(--line); box-shadow: var(--sh-1); }
.band-card--track h3 { font-size: 26px; font-weight: 500; letter-spacing: -0.02em; margin: 16px 0 12px; line-height: 1.12; }
.band-card--track p { color: var(--ink-2); font-size: 15px; line-height: 1.6; margin-bottom: 24px; }
.band-card--sec { background: var(--brand-ink); color: #fff; position: relative; overflow: hidden; }
.band-card--sec::before { content: ""; position: absolute; inset: 0; background: radial-gradient(60% 80% at 100% 0%, oklch(0.45 0.08 200 / 0.4), transparent 60%); }
.band-card--sec h3 { font-size: 24px; font-weight: 500; letter-spacing: -0.02em; margin: 16px 0 22px; line-height: 1.15; position: relative; }
.sec-list { display: flex; flex-direction: column; gap: 14px; position: relative; }
.sec-list li { display: flex; align-items: center; gap: 12px; font-size: 14.5px; color: oklch(0.85 0.02 210); }
.sec-list svg { width: 20px; height: 20px; color: var(--accent); flex-shrink: 0; }

/* CTA */
.cta { background: var(--brand-ink); color: #fff; padding: 100px 32px; text-align: center; position: relative; overflow: hidden; }
.cta::before { content: ""; position: absolute; inset: 0; background: radial-gradient(60% 100% at 50% 0%, oklch(0.5 0.09 200 / 0.5), transparent 65%); }
.cta__inner { position: relative; max-width: 720px; margin: 0 auto; }
.cta h2 { font-size: clamp(32px, 5vw, 56px); font-weight: 500; letter-spacing: -0.03em; line-height: 1.02; color: #fff; }
.cta p { font-size: 17px; color: oklch(0.82 0.02 210); margin: 20px auto 34px; max-width: 52ch; line-height: 1.55; }
.cta__actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* Footer */
.site-foot { background: oklch(0.16 0.025 216); color: oklch(0.7 0.02 210); padding: 64px 0 28px; }
.site-foot__inner { display: grid; grid-template-columns: 1.4fr 2fr; gap: 48px; padding-bottom: 40px; border-bottom: 1px solid oklch(1 0 0 / 0.1); }
.brand--foot span { color: #fff; }
.site-foot__brand p { margin-top: 14px; font-size: 14px; max-width: 32ch; line-height: 1.5; }
.site-foot__cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.site-foot__cols h4 { color: #fff; font-size: 13px; font-weight: 600; margin-bottom: 14px; letter-spacing: 0.02em; }
.site-foot__cols a { display: block; font-size: 14px; padding: 5px 0; color: oklch(0.72 0.02 210); transition: color var(--dur); }
.site-foot__cols a:hover { color: var(--accent); }
.site-foot__base { display: flex; align-items: center; justify-content: space-between; padding-top: 24px; font-size: 13px; color: oklch(0.6 0.02 210); flex-wrap: wrap; gap: 12px; }

/* ---- Responsive ----------------------------------------------------------- */
@media (max-width: 940px) {
  .hero__inner, .split, .band { grid-template-columns: 1fr; gap: 40px; }
  .split--reverse .feature__media { order: 0; }
  .journey, .modules { grid-template-columns: repeat(2, 1fr); }
  .mod--wide { grid-column: span 2; }
  .site-foot__inner { grid-template-columns: 1fr; gap: 32px; }
}
@media (max-width: 760px) {
  .site-nav { display: none; position: absolute; top: 100%; left: 0; right: 0; background: var(--surface); flex-direction: column; align-items: stretch; padding: 12px; gap: 2px; box-shadow: var(--sh-2); border-bottom: 1px solid var(--line); }
  .site-nav.open { display: flex; }
  .site-nav a { padding: 12px; border-radius: var(--r-md); }
  .site-nav a:hover { background: var(--surface-2); }
  .menu-btn { display: grid; margin-left: auto; }
  .site-header__cta .btn--ghost { display: none; }
  .wrap-x, .hero__inner, .site-header__inner { padding-left: 20px; padding-right: 20px; }
  .journey, .modules { grid-template-columns: 1fr; }
  .mod--wide { grid-column: span 1; }
  .section { padding: 64px 0; }
  .hero { padding: 60px 0 56px; }
  .shift-card, .band-card { padding: 28px; }
  .fleet-stats { gap: 22px; flex-wrap: wrap; }
  .hero__trust { flex-wrap: wrap; gap: 16px; }
}