/*
  Revoco landing page — hand-written, dependency-free.
  Design language borrows the app's neutral --wf-* token contract
  (resources/css/withdrawal.css) and the Revoco brand mark colours,
  so product and page read as one system.
*/

:root {
  /* Brand (from the Revoco logo) */
  --lp-brand: #1f63e6;
  --lp-brand-hover: #1852c4;
  --lp-ink: #16233a;

  /* Structure (mirrors the app's neutral --wf-* palette) */
  --lp-fg: #1b1f26;
  --lp-muted: #5d6776;
  --lp-border: #e4e8ee;
  --lp-card-bg: #ffffff;
  --lp-card-border: #e1e6ec;
  --lp-card-radius: 18px;
  --lp-bg: #fbfcfd;
  --lp-bg-alt: #f2f5f8;
  --lp-badge-bg: #eef1f4;
  --lp-badge-fg: #5d6776;
  --lp-success: #2e9e6a;
  --lp-success-bg: #e7f7ef;
  --lp-rail: linear-gradient(90deg, #1f63e6 0%, #5b8aa6 100%);
  --lp-shadow: 0 18px 50px rgba(20, 33, 48, .10);
  --lp-focus-ring: rgba(31, 99, 230, .28);
  --lp-font: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, Roboto, Helvetica, Arial, sans-serif;
  --lp-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  --lp-console-bg: #10192a;
  --lp-console-fg: #dbe4f0;

  /* Derived roles that flip in dark mode */
  --lp-header-bg: rgba(251, 252, 253, .92);
  --lp-frame-dot: #d3dae2;
  --lp-solid-bg: #16233a;   /* solid chips: step numbers, active lang pill */
  --lp-solid-fg: #ffffff;

  color-scheme: light dark;
}

/* Dark theme — auto-selected via the user's OS/browser preference.
   Same token contract, flipped values; screenshots stay light inside
   their browser frames by design. */
@media (prefers-color-scheme: dark) {
  :root {
    --lp-brand: #5b8dee;
    --lp-brand-hover: #7da5f2;
    --lp-ink: #e8eef7;

    --lp-fg: #d5dce6;
    --lp-muted: #93a0b4;
    --lp-border: #263248;
    --lp-card-bg: #151f33;
    --lp-card-border: #263248;
    --lp-bg: #0d1526;
    --lp-bg-alt: #111a2e;
    --lp-badge-bg: #1d2a42;
    --lp-badge-fg: #a3b0c4;
    --lp-success: #3fbf85;
    --lp-success-bg: rgba(46, 158, 106, .16);
    --lp-shadow: 0 18px 50px rgba(0, 0, 0, .45);
    --lp-focus-ring: rgba(91, 141, 238, .4);
    --lp-console-bg: #1a2337;

    --lp-header-bg: rgba(13, 21, 38, .92);
    --lp-frame-dot: #3a4966;
    --lp-solid-bg: #e8eef7;
    --lp-solid-fg: #0d1526;
  }
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
}

body {
  margin: 0;
  font-family: var(--lp-font);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--lp-fg);
  background: var(--lp-bg);
  -webkit-text-size-adjust: 100%;
}

img { max-width: 100%; height: auto; display: block; }

a { color: var(--lp-brand); }
a:hover { color: var(--lp-brand-hover); }

:focus-visible {
  outline: 3px solid var(--lp-focus-ring);
  outline-offset: 2px;
  border-radius: 4px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  background: var(--lp-solid-bg);
  color: var(--lp-solid-fg);
  padding: .6rem 1rem;
  border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; color: var(--lp-solid-fg); }

.container {
  max-width: 72rem;
  margin: 0 auto;
  padding: 0 1.25rem;
}

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

.site-rail { height: 4px; background: var(--lp-rail); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--lp-header-bg);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--lp-border);
}

.site-header .container {
  display: flex;
  align-items: center;
  gap: 1rem;
  min-height: 4rem;
}

.site-logo { display: inline-flex; align-items: center; flex-shrink: 0; }
.site-logo img { height: 2rem; width: auto; }

.site-nav {
  display: none;
  gap: 1.25rem;
  margin-inline: auto;
}
.site-nav a {
  color: var(--lp-fg);
  text-decoration: none;
  font-size: .92rem;
  font-weight: 500;
  padding: .35rem .1rem;
}
.site-nav a:hover { color: var(--lp-brand); }

.header-actions {
  display: flex;
  align-items: center;
  gap: .75rem;
  margin-left: auto;
}

.lang-switch {
  display: inline-flex;
  border: 1px solid var(--lp-border);
  border-radius: 999px;
  overflow: hidden;
  font-size: .82rem;
  font-weight: 600;
}
.lang-switch a, .lang-switch span {
  padding: .3rem .7rem;
  text-decoration: none;
  color: var(--lp-muted);
}
.lang-switch [aria-current="true"] {
  background: var(--lp-solid-bg);
  color: var(--lp-solid-fg);
}

.gh-link {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  color: var(--lp-fg);
  text-decoration: none;
  font-size: .92rem;
  font-weight: 600;
}
.gh-link svg { width: 1.35rem; height: 1.35rem; fill: currentColor; }
.gh-link:hover { color: var(--lp-brand); }
.gh-link .gh-label { display: none; }

@media (min-width: 52rem) {
  .site-nav { display: flex; }
  .gh-link .gh-label { display: inline; }
}

/* ---------- Hero ---------- */

.hero {
  padding: 4.5rem 0 3.5rem;
  background:
    radial-gradient(60rem 30rem at 85% -10%, rgba(31, 99, 230, .08), transparent 60%),
    var(--lp-bg);
}

.hero .container {
  display: grid;
  gap: 3rem;
  align-items: center;
}
@media (min-width: 60rem) {
  .hero .container { grid-template-columns: 1.05fr .95fr; }
}

.hero h1 {
  margin: 0 0 1rem;
  font-size: clamp(2rem, 4.5vw, 3rem);
  line-height: 1.15;
  letter-spacing: -.02em;
  color: var(--lp-ink);
}

.hero .lead {
  margin: 0 0 1.75rem;
  font-size: 1.15rem;
  color: var(--lp-muted);
  max-width: 34rem;
}

.deadline-badge {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  background: var(--lp-badge-bg);
  color: var(--lp-ink);
  border: 1px solid var(--lp-border);
  border-radius: 999px;
  padding: .35rem .9rem;
  font-size: .85rem;
  font-weight: 600;
  margin-bottom: 1.25rem;
}
.deadline-badge .dot {
  width: .55rem;
  height: .55rem;
  border-radius: 50%;
  background: var(--lp-brand);
  flex-shrink: 0;
}

.cta-row { display: flex; flex-wrap: wrap; gap: .8rem; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .75rem 1.4rem;
  border-radius: 12px;
  font-size: .98rem;
  font-weight: 600;
  text-decoration: none;
  border: 1.5px solid transparent;
  transition: background-color .15s ease, color .15s ease, border-color .15s ease;
}
.btn-primary { background: var(--lp-brand); color: #fff; }
.btn-primary:hover { background: var(--lp-brand-hover); color: #fff; }
.btn-secondary {
  background: var(--lp-card-bg);
  color: var(--lp-ink);
  border-color: var(--lp-border);
}
.btn-secondary:hover { border-color: var(--lp-brand); color: var(--lp-brand); }

.hero-shot { position: relative; }
.hero-shot .browser-frame { margin: 0; }
.hero-shot .phone-shot {
  position: absolute;
  right: -.5rem;
  bottom: -2rem;
  width: clamp(7rem, 22%, 10rem);
  border-radius: 14px;
  border: 1px solid var(--lp-card-border);
  box-shadow: var(--lp-shadow);
  display: none;
}
@media (min-width: 40rem) { .hero-shot .phone-shot { display: block; } }

/* ---------- Framed screenshots ---------- */

.browser-frame {
  margin: 0;
  background: var(--lp-card-bg);
  border: 1px solid var(--lp-card-border);
  border-radius: 14px;
  box-shadow: var(--lp-shadow);
  overflow: hidden;
}
.browser-frame .frame-bar {
  display: flex;
  align-items: center;
  gap: .4rem;
  padding: .55rem .8rem;
  border-bottom: 1px solid var(--lp-border);
  background: var(--lp-bg-alt);
}
.browser-frame .frame-bar i {
  width: .6rem;
  height: .6rem;
  border-radius: 50%;
  background: var(--lp-frame-dot);
}
.browser-frame figcaption {
  padding: .65rem .9rem;
  font-size: .84rem;
  color: var(--lp-muted);
  border-top: 1px solid var(--lp-border);
}

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

.section { padding: 4.5rem 0; }
.section-alt { background: var(--lp-bg-alt); }

.section-head { margin-bottom: 2.5rem; }
.section-head .kicker {
  display: block;
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--lp-brand);
  margin-bottom: .5rem;
}
.section-head h2 {
  margin: 0 0 .75rem;
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  line-height: 1.2;
  letter-spacing: -.015em;
  color: var(--lp-ink);
}
.section-head p { margin: 0; color: var(--lp-muted); font-size: 1.05rem; }
.section-head-tight { margin-bottom: 1.5rem; }
.section-foot { margin-top: 2rem; color: var(--lp-muted); }
.cta-center { justify-content: center; }

/* ---------- Value props ---------- */

/* Fixed 3-column layout on wide screens: six feature cards read as 2 × 3,
   not 4 + 2 (auto-fit would pack four into the top row). */
.card-grid {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: minmax(0, 1fr);
}
@media (min-width: 40rem) { .card-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 60rem) { .card-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); } }

.card {
  background: var(--lp-card-bg);
  border: 1px solid var(--lp-card-border);
  border-radius: var(--lp-card-radius);
  padding: 1.5rem;
}
.card .card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.6rem;
  height: 2.6rem;
  border-radius: 12px;
  background: rgba(31, 99, 230, .1);
  color: var(--lp-brand);
  margin-bottom: 1rem;
}
.card .card-icon svg { width: 1.4rem; height: 1.4rem; }
.card h3 { margin: 0 0 .5rem; font-size: 1.08rem; color: var(--lp-ink); }
.card p { margin: 0; font-size: .95rem; color: var(--lp-muted); }

/* ---------- Law explainer ---------- */

.law-steps {
  counter-reset: law-step;
  display: grid;
  gap: 1.25rem;
  padding: 0;
  margin: 0 0 2rem;
  list-style: none;
}
@media (min-width: 52rem) { .law-steps { grid-template-columns: repeat(3, 1fr); } }

.law-steps li {
  counter-increment: law-step;
  background: var(--lp-card-bg);
  border: 1px solid var(--lp-card-border);
  border-radius: var(--lp-card-radius);
  padding: 1.5rem;
}
.law-steps li::before {
  content: counter(law-step);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: var(--lp-brand);
  color: #fff;
  font-weight: 700;
  font-size: .95rem;
  margin-bottom: .9rem;
}
.law-steps h3 { margin: 0 0 .45rem; font-size: 1.02rem; color: var(--lp-ink); }
.law-steps p { margin: 0; font-size: .93rem; color: var(--lp-muted); }

.law-facts {
  display: grid;
  gap: 1rem;
  margin: 0;
  padding: 0;
  list-style: none;
}
@media (min-width: 52rem) { .law-facts { grid-template-columns: repeat(2, 1fr); } }
.law-facts li {
  display: flex;
  gap: .7rem;
  align-items: flex-start;
  font-size: .95rem;
  color: var(--lp-fg);
}
.law-facts .check {
  flex-shrink: 0;
  width: 1.3rem;
  height: 1.3rem;
  border-radius: 50%;
  background: var(--lp-success-bg);
  color: var(--lp-success);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: .8rem;
  font-weight: 700;
  margin-top: .15rem;
}

.disclaimer {
  margin-top: 2rem;
  font-size: .84rem;
  color: var(--lp-muted);
}

/* ---------- Screenshot showcases ---------- */

.shot-pair {
  display: grid;
  gap: 1.5rem;
}
@media (min-width: 52rem) { .shot-pair { grid-template-columns: 1fr 1fr; } }

.shot-grid {
  display: grid;
  gap: 1.5rem;
}
@media (min-width: 52rem) { .shot-grid { grid-template-columns: 1fr 1fr; } }

.showcase-block { margin-top: 3.5rem; }
.showcase-block:first-of-type { margin-top: 0; }
.showcase-block h3 {
  margin: 0 0 .5rem;
  font-size: 1.35rem;
  letter-spacing: -.01em;
  color: var(--lp-ink);
}
.showcase-block > p {
  margin: 0 0 1.5rem;
  color: var(--lp-muted);
}

/* ---------- Push notification mock ---------- */

.push-section .container {
  display: grid;
  gap: 3rem;
  align-items: center;
}
@media (min-width: 60rem) { .push-section .container { grid-template-columns: 1fr 1fr; } }

.push-copy { color: var(--lp-muted); max-width: 34rem; }
.facts-spaced { margin-top: 1.5rem; }

.push-mock {
  background: var(--lp-console-bg);
  border-radius: var(--lp-card-radius);
  padding: 2.5rem 2rem;
  display: grid;
  gap: 1rem;
}
.push-card {
  background: rgba(255, 255, 255, .07);
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 14px;
  padding: 1rem 1.2rem;
  color: var(--lp-console-fg);
  font-size: .92rem;
}
.push-card .push-app {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: #8fa4c0;
  margin-bottom: .45rem;
}
.push-card .push-app .push-dot {
  width: .5rem;
  height: .5rem;
  border-radius: 50%;
  background: var(--lp-success);
}
.push-card strong { color: #fff; display: block; margin-bottom: .2rem; }
.push-card.push-faded { opacity: .45; }

/* ---------- AI skills ---------- */

/* minmax(0, …) lets the nowrap command line scroll inside the card
   instead of widening the grid track past the viewport. */
.skill-cards { display: grid; gap: 1.5rem; grid-template-columns: minmax(0, 1fr); }
@media (min-width: 52rem) { .skill-cards { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

.skill-card {
  background: var(--lp-card-bg);
  border: 1px solid var(--lp-card-border);
  border-radius: var(--lp-card-radius);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: .9rem;
}
.skill-card h3 { margin: 0; font-size: 1.15rem; color: var(--lp-ink); }
.skill-card p { margin: 0; font-size: .95rem; color: var(--lp-muted); }
.skill-card .skill-cmd {
  font-family: var(--lp-mono);
  font-size: .84rem;
  background: var(--lp-console-bg);
  color: var(--lp-console-fg);
  border-radius: 10px;
  padding: .7rem .9rem;
  overflow-x: auto;
  white-space: nowrap;
}
.skill-note {
  margin-top: 1.75rem;
  font-size: .92rem;
  color: var(--lp-muted);
}

/* ---------- Quick start ---------- */

.steps {
  counter-reset: qs-step;
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.75rem;
  grid-template-columns: minmax(0, 1fr);
}
.steps > li {
  counter-increment: qs-step;
  position: relative;
  padding-left: 3.2rem;
}
.steps > li::before {
  content: counter(qs-step);
  position: absolute;
  left: 0;
  top: .1rem;
  width: 2.2rem;
  height: 2.2rem;
  border-radius: 50%;
  background: var(--lp-solid-bg);
  color: var(--lp-solid-fg);
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.steps h3 { margin: 0 0 .4rem; font-size: 1.05rem; color: var(--lp-ink); }
.steps p { margin: 0 0 .75rem; font-size: .93rem; color: var(--lp-muted); }

pre {
  margin: 0;
  background: var(--lp-console-bg);
  color: var(--lp-console-fg);
  border-radius: 12px;
  padding: 1rem 1.2rem;
  overflow-x: auto;
  font-family: var(--lp-mono);
  font-size: .85rem;
  line-height: 1.55;
}
pre .cmt { color: #7d8ca3; }
code { font-family: var(--lp-mono); }
p code, li code {
  background: var(--lp-badge-bg);
  border-radius: 6px;
  padding: .1em .35em;
  font-size: .88em;
}
/* Console blocks: the code inside a <pre> must stay bare terminal text —
   without this, the inline-code rule above matches `li pre code` too. */
pre code {
  background: none;
  border-radius: 0;
  padding: 0;
  font-size: inherit;
  color: inherit;
}

/* ---------- FAQ ---------- */

.faq-list { display: grid; gap: .9rem; }

.faq-list details {
  background: var(--lp-card-bg);
  border: 1px solid var(--lp-card-border);
  border-radius: 14px;
  padding: 0;
  overflow: hidden;
}
.faq-list summary {
  cursor: pointer;
  padding: 1.1rem 1.3rem;
  font-weight: 600;
  color: var(--lp-ink);
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after {
  content: "+";
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--lp-muted);
  flex-shrink: 0;
  line-height: 1;
}
.faq-list details[open] summary::after { content: "\2212"; }
.faq-list details > div {
  padding: 0 1.3rem 1.2rem;
  color: var(--lp-muted);
  font-size: .95rem;
}
.faq-list details > div p { margin: 0 0 .6rem; }
.faq-list details > div p:last-child { margin-bottom: 0; }

/* ---------- Final CTA ---------- */

.cta-final {
  text-align: center;
  padding: 5rem 0;
  background: var(--lp-console-bg);
  color: var(--lp-console-fg);
}
.cta-final h2 {
  margin: 0 0 .75rem;
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  color: #fff;
  letter-spacing: -.015em;
}
.cta-final p { margin: 0 auto 2rem; max-width: 36rem; color: #9fb0c7; }
.cta-final .btn-secondary { background: transparent; color: #fff; border-color: rgba(255, 255, 255, .3); }
.cta-final .btn-secondary:hover { border-color: #fff; color: #fff; }

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

.site-footer {
  padding: 3rem 0;
  border-top: 1px solid var(--lp-border);
  background: var(--lp-bg);
  font-size: .9rem;
  color: var(--lp-muted);
}
.site-footer .footer-grid {
  display: grid;
  gap: 2rem;
  margin-bottom: 2rem;
}
@media (min-width: 52rem) {
  .site-footer .footer-grid { grid-template-columns: 2fr 1fr 1fr; }
}
.site-footer h3 {
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--lp-ink);
  margin: 0 0 .8rem;
}
.site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: .45rem; }
.site-footer a { color: var(--lp-muted); text-decoration: none; }
.site-footer a:hover { color: var(--lp-brand); text-decoration: underline; }
.site-footer .footer-brand img { height: 1.7rem; width: auto; margin-bottom: .8rem; }
.site-footer .footer-legal {
  border-top: 1px solid var(--lp-border);
  padding-top: 1.5rem;
  font-size: .82rem;
}

/* ---------- Motion ---------- */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
  }
}