/* Gmail to PDF — landing page styles
   Flat, accessible, light + dark. No build step required. */

:root {
  color-scheme: light dark;

  --brand: #d93025;
  --brand-strong: #b3261e;
  --brand-ink: #b3261e;
  --brand-soft: #fdecea;
  --on-brand: #ffffff;

  --bg: #ffffff;
  --bg-subtle: #f7f8fa;
  --bg-sunken: #f1f3f6;
  --surface: #ffffff;
  --surface-2: #fbfbfc;
  --fg: #1b1e24;
  --fg-muted: #5a6472;
  --border: #e7e9ee;
  --border-strong: #d5d9e0;

  --ring: #1a73e8;
  --ok: #0f7b5f;
  --warn: #8a5a00;

  --shadow-sm: 0 1px 2px rgba(16, 24, 40, 0.05);
  --shadow-md: 0 14px 34px -16px rgba(16, 24, 40, 0.24);

  --radius-sm: 10px;
  --radius: 16px;
  --radius-lg: 24px;
  --radius-pill: 999px;

  --container: 1120px;
  --header-h: 64px;

  --font: 'Plus Jakarta Sans', system-ui, -apple-system, 'Segoe UI', Roboto, Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, 'SF Mono', Menlo, Consolas, monospace;

  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
}

@media (prefers-color-scheme: dark) {
  :root {
    --brand: #d93025;
    --brand-strong: #ff6a5f;
    --brand-ink: #ff9a90;
    --brand-soft: #2a1714;

    --bg: #0f1115;
    --bg-subtle: #14171c;
    --bg-sunken: #101318;
    --surface: #181b21;
    --surface-2: #1d2027;
    --fg: #e9ebef;
    --fg-muted: #a3abb8;
    --border: #262b34;
    --border-strong: #353b46;

    --ring: #8ab4f8;
    --ok: #6fe0bb;
    --warn: #f5c46b;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 18px 40px -18px rgba(0, 0, 0, 0.7);
  }
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img,
svg {
  display: block;
  max-width: 100%;
}

h1,
h2,
h3 {
  line-height: 1.18;
  letter-spacing: -0.02em;
  font-weight: 700;
  margin: 0;
  text-wrap: balance;
}

p {
  margin: 0;
  text-wrap: pretty;
}

a {
  color: var(--brand-ink);
}

ul {
  margin: 0;
  padding: 0;
}

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

::selection {
  background: var(--brand);
  color: var(--on-brand);
}

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 20px;
}

.skip-link {
  position: absolute;
  left: 12px;
  top: -60px;
  z-index: 100;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  background: var(--fg);
  color: var(--bg);
  font-weight: 600;
  text-decoration: none;
  transition: top 0.15s var(--ease);
}

.skip-link:focus {
  top: 12px;
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 12px 20px;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  font: inherit;
  font-size: 15px;
  font-weight: 600;
  line-height: 1;
  text-decoration: none;
  cursor: pointer;
  transition:
    background-color 0.18s var(--ease),
    border-color 0.18s var(--ease),
    color 0.18s var(--ease),
    transform 0.18s var(--ease);
}

.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  background: var(--brand);
  color: var(--on-brand);
}

.btn-primary:hover {
  background: var(--brand-strong);
}

.btn-ghost {
  background: var(--surface);
  color: var(--fg);
  border-color: var(--border-strong);
}

.btn-ghost:hover {
  background: var(--bg-subtle);
  border-color: var(--fg-muted);
}

.btn-lg {
  min-height: 52px;
  padding: 15px 26px;
  font-size: 16px;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--bg);
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 16px;
  min-height: var(--header-h);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--fg);
  font-weight: 700;
  letter-spacing: -0.01em;
  text-decoration: none;
  white-space: nowrap;
}

.brand-mark {
  width: 28px;
  height: 28px;
}

.nav {
  display: flex;
  gap: 4px;
  margin-left: 12px;
}

.nav a {
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  color: var(--fg-muted);
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  transition: color 0.15s var(--ease), background-color 0.15s var(--ease);
}

.nav a:hover {
  color: var(--fg);
  background: var(--bg-subtle);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: auto;
}

.header-actions .btn {
  min-height: 40px;
  padding: 10px 18px;
  font-size: 14px;
}

/* Language switcher */

.lang {
  position: relative;
}

.lang > summary {
  list-style: none;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 40px;
  padding: 0 14px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-pill);
  background: var(--surface);
  color: var(--fg);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}

.lang > summary::-webkit-details-marker {
  display: none;
}

.lang > summary:hover {
  background: var(--bg-subtle);
}

.lang[open] > summary {
  border-color: var(--fg-muted);
}

.lang ul {
  position: absolute;
  right: 0;
  top: calc(100% + 8px);
  z-index: 60;
  min-width: 190px;
  margin: 0;
  padding: 6px;
  list-style: none;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
}

.lang a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 9px 11px;
  border-radius: var(--radius-sm);
  color: var(--fg);
  font-size: 14px;
  text-decoration: none;
}

.lang a:hover {
  background: var(--bg-subtle);
}

.lang a[aria-current='true'] {
  color: var(--brand-ink);
  font-weight: 700;
}

.lang a span {
  color: var(--fg-muted);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
}

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

.hero {
  padding: 64px 0 40px;
  background:
    radial-gradient(120% 90% at 85% -10%, var(--brand-soft), transparent 60%),
    var(--bg);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  background: var(--surface);
  color: var(--fg-muted);
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.eyebrow .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--brand);
}

.hero h1 {
  margin-top: 20px;
  font-size: clamp(2rem, 5.2vw, 3.4rem);
}

.hero .lede {
  margin-top: 18px;
  max-width: 34ch;
  color: var(--fg-muted);
  font-size: clamp(1.05rem, 1.6vw, 1.2rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.trust {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin-top: 26px;
  list-style: none;
}

.trust li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--fg-muted);
  font-size: 14px;
  font-weight: 500;
}

.trust svg {
  color: var(--ok);
  flex: none;
}

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

.mockup {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.window {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.window-bar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  background: var(--surface-2);
}

.window-bar .dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--border-strong);
}

.window-title {
  margin-left: 8px;
  color: var(--fg-muted);
  font-size: 12px;
  font-weight: 600;
}

.email {
  padding: 18px;
}

.email-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  background: var(--bg-subtle);
  color: var(--fg-muted);
  font-size: 12px;
  font-weight: 600;
}

.chip-brand {
  background: var(--brand);
  border-color: var(--brand);
  color: var(--on-brand);
}

.email-subject {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.email-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 12px 0 18px;
  color: var(--fg-muted);
  font-size: 13px;
}

.avatar {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--bg-sunken);
  color: var(--fg);
  font-size: 12px;
  font-weight: 700;
}

.line {
  height: 9px;
  border-radius: 6px;
  background: var(--bg-sunken);
  margin-bottom: 10px;
}

.w90 { width: 90%; }
.w80 { width: 80%; }
.w75 { width: 75%; }
.w60 { width: 60%; }

.pdf-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow-md);
}

.pdf-icon {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: var(--brand-soft);
  color: var(--brand-ink);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.04em;
  flex: none;
}

.pdf-name {
  font-weight: 700;
  font-size: 15px;
}

.pdf-sub {
  color: var(--fg-muted);
  font-size: 13px;
}

.pdf-check {
  margin-left: auto;
  color: var(--ok);
  flex: none;
}

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

.section {
  padding: 72px 0;
}

.section-alt {
  background: var(--bg-subtle);
  border-block: 1px solid var(--border);
}

.section-head {
  max-width: 640px;
  margin-bottom: 40px;
}

.kicker {
  color: var(--brand-ink);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.section-head h2 {
  margin-top: 10px;
  font-size: clamp(1.6rem, 3.4vw, 2.2rem);
}

.section-head p {
  margin-top: 14px;
  color: var(--fg-muted);
  font-size: 1.05rem;
}

.grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.card {
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}

.feature-icon {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  margin-bottom: 16px;
  border-radius: var(--radius-sm);
  background: var(--brand-soft);
  color: var(--brand-ink);
}

.card h3 {
  font-size: 1.05rem;
}

.card p {
  margin-top: 8px;
  color: var(--fg-muted);
  font-size: 0.95rem;
}

/* ---------- Steps ---------- */

.steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  counter-reset: step;
  list-style: none;
}

.step {
  position: relative;
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}

.step-num {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  margin-bottom: 14px;
  border-radius: 50%;
  background: var(--brand);
  color: var(--on-brand);
  font-weight: 700;
  font-size: 15px;
}

.step h3 {
  font-size: 1.05rem;
}

.step p {
  margin-top: 8px;
  color: var(--fg-muted);
  font-size: 0.95rem;
}

/* ---------- Privacy / callouts ---------- */

.split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: start;
}

.callout {
  padding: 20px 22px;
  border: 1px solid var(--border);
  border-left: 4px solid var(--brand);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--fg-muted);
  font-size: 0.95rem;
}

.check-list {
  list-style: none;
  display: grid;
  gap: 12px;
}

.check-list li {
  display: flex;
  gap: 12px;
  color: var(--fg-muted);
  font-size: 0.98rem;
}

.check-list svg {
  flex: none;
  margin-top: 3px;
  color: var(--ok);
}

.cross-list li svg {
  color: var(--brand-ink);
}

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

.faq {
  display: grid;
  gap: 10px;
  max-width: 780px;
}

.faq details {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  overflow: hidden;
}

.faq summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 20px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  list-style: none;
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq summary::after {
  content: '';
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--fg-muted);
  border-bottom: 2px solid var(--fg-muted);
  transform: rotate(45deg);
  transition: transform 0.2s var(--ease);
  flex: none;
}

.faq details[open] summary::after {
  transform: rotate(225deg);
}

.faq details p {
  padding: 0 20px 20px;
  color: var(--fg-muted);
  font-size: 0.95rem;
}

/* ---------- CTA band ---------- */

.cta-band {
  padding: 64px 0;
}

.cta-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 40px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--brand-soft);
}

.cta-inner h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  max-width: 22ch;
}

.cta-inner p {
  margin-top: 8px;
  color: var(--fg-muted);
}

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

.site-footer {
  border-top: 1px solid var(--border);
  padding: 48px 0 40px;
  background: var(--bg-subtle);
}

.footer-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 28px;
}

.footer-brand {
  max-width: 320px;
}

.footer-brand p {
  margin-top: 12px;
  color: var(--fg-muted);
  font-size: 0.9rem;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
}

.footer-col h4 {
  margin: 0 0 12px;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--fg-muted);
}

.footer-col ul {
  list-style: none;
  display: grid;
  gap: 8px;
}

.footer-col a {
  color: var(--fg);
  font-size: 0.92rem;
  text-decoration: none;
}

.footer-col a:hover {
  color: var(--brand-ink);
  text-decoration: underline;
}

.footer-bottom {
  margin-top: 36px;
  padding-top: 22px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  justify-content: space-between;
  color: var(--fg-muted);
  font-size: 0.82rem;
}

/* ---------- Legal / privacy page ---------- */

.legal {
  padding: 48px 0 80px;
}

.legal-wrap {
  max-width: 760px;
}

.legal h1 {
  font-size: clamp(1.7rem, 4vw, 2.4rem);
}

.legal .updated {
  margin-top: 8px;
  color: var(--fg-muted);
  font-size: 0.9rem;
}

.legal h2 {
  margin-top: 40px;
  font-size: 1.25rem;
}

.legal p {
  margin-top: 12px;
  color: var(--fg-muted);
}

.legal ul {
  margin-top: 12px;
  padding-left: 20px;
  color: var(--fg-muted);
}

.legal li {
  margin-bottom: 8px;
}

.legal code {
  padding: 2px 6px;
  border-radius: 5px;
  background: var(--bg-sunken);
  font-family: var(--mono);
  font-size: 0.86em;
  color: var(--fg);
}

.legal .card {
  margin-top: 20px;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
  color: var(--fg-muted);
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
}

.back-link:hover {
  color: var(--fg);
}

/* ---------- 404 ---------- */

.error-page {
  display: grid;
  place-items: center;
  min-height: 70vh;
  text-align: center;
}

.error-page h1 {
  font-size: clamp(2.4rem, 8vw, 4rem);
}

.error-page p {
  margin-top: 12px;
  color: var(--fg-muted);
}

.error-actions {
  margin-top: 24px;
}

/* ---------- Reveal on scroll (progressive enhancement) ---------- */

.has-js [data-reveal] {
  opacity: 0;
  transform: translateY(14px);
}

.has-js [data-reveal].is-visible {
  opacity: 1;
  transform: none;
  transition:
    opacity 0.45s var(--ease),
    transform 0.45s var(--ease);
}

@media (prefers-reduced-motion: reduce) {
  .has-js [data-reveal] {
    opacity: 1;
    transform: none;
  }
}

/* ---------- Responsive ---------- */

@media (min-width: 640px) {
  .grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .steps {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 960px) {
  .hero {
    padding: 88px 0 64px;
  }

  .hero-grid {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 64px;
  }

  .grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .split {
    grid-template-columns: 1fr 1fr;
    gap: 56px;
  }

  .section {
    padding: 96px 0;
  }
}

@media (max-width: 860px) {
  .nav {
    display: none;
  }
}

@media (max-width: 520px) {
  .brand span {
    display: none;
  }

  .header-actions .btn {
    padding: 10px 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}