/* Reflib — about.reflib.com
   Design tokens, layout and components for the static marketing site. */

/* ------------------------------------------------------------------ tokens */

:root {
  --font-sans: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text",
    "Helvetica Neue", "PingFang SC", "PingFang HK", "Hiragino Sans GB",
    "Microsoft YaHei", system-ui, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;

  --bg: #fbfbfd;
  --bg-elev: #ffffff;
  --bg-sunken: #f2f2f5;
  --text: #1d1d1f;
  --text-muted: #6e6e73;
  --text-faint: #8e8e93;
  --border: rgba(0, 0, 0, 0.09);
  --border-strong: rgba(0, 0, 0, 0.16);

  --accent: #5b4bff;
  --accent-hover: #4a39f0;
  --accent-soft: rgba(91, 75, 255, 0.09);
  --accent-2: #0a84ff;
  --accent-3: #00bfc9;

  --header-bg: rgba(251, 251, 253, 0.72);
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04), 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06), 0 12px 32px rgba(0, 0, 0, 0.07);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.08), 0 24px 64px rgba(0, 0, 0, 0.1);

  --r-sm: 10px;
  --r-md: 16px;
  --r-lg: 22px;
  --r-xl: 30px;

  --maxw: 1120px;
  --header-h: 56px;
}

html[data-theme="dark"] {
  --bg: #000000;
  --bg-elev: #131316;
  --bg-sunken: #1c1c1f;
  --text: #f5f5f7;
  --text-muted: #a1a1a6;
  --text-faint: #86868b;
  --border: rgba(255, 255, 255, 0.11);
  --border-strong: rgba(255, 255, 255, 0.2);

  --accent: #8a7bff;
  --accent-hover: #9d90ff;
  --accent-soft: rgba(138, 123, 255, 0.16);
  --accent-2: #4aa3ff;
  --accent-3: #2ad4dc;

  --header-bg: rgba(0, 0, 0, 0.66);
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.5);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.6);
}

/* --------------------------------------------------------------- bilingual */
/* Both languages ship in the DOM; CSS reveals one. Without JS the document
   keeps its server-rendered data-lang, so content is never blank. */

html[data-lang="zh"] [data-lang="en"],
html[data-lang="en"] [data-lang="zh"] {
  display: none !important;
}

/* ------------------------------------------------------------------- reset */

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 24px);
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

h1,
h2,
h3,
h4 {
  margin: 0;
  font-weight: 650;
  letter-spacing: -0.02em;
  line-height: 1.16;
}

p {
  margin: 0;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  color: var(--accent-hover);
}

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

ul,
ol {
  margin: 0;
  padding-left: 1.35em;
}

hr {
  border: 0;
  border-top: 1px solid var(--border);
  margin: 48px 0;
}

/* The UA rule for [hidden] is scoped to the HTML namespace, so inline SVG
   would ignore it. This stylesheet declares no namespace, so it matches. */
[hidden] {
  display: none !important;
}

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

/* ------------------------------------------------------------------ layout */

.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: 22px;
}

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

.section {
  padding-block: 88px;
}

.section--tight {
  padding-block: 56px;
}

.section--sunken {
  background: var(--bg-sunken);
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 8px;
  z-index: 200;
  background: var(--accent);
  color: #fff;
  padding: 10px 16px;
  border-radius: var(--r-sm);
}

.skip-link:focus {
  left: 12px;
  color: #fff;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ------------------------------------------------------------------ header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: var(--header-bg);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--border);
}

.site-header__inner {
  height: var(--header-h);
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--text);
  font-weight: 640;
  font-size: 17px;
  letter-spacing: -0.02em;
  flex: none;
}

.brand:hover {
  color: var(--text);
}

.brand__mark {
  width: 26px;
  height: 26px;
  border-radius: 7px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 55%, var(--accent-3) 100%);
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  line-height: 1;
  flex: none;
}

.nav {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}

.nav a {
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 500;
  padding: 7px 11px;
  border-radius: 999px;
  white-space: nowrap;
  transition: color 0.16s ease, background 0.16s ease;
}

.nav a:hover {
  color: var(--text);
  background: var(--accent-soft);
}

.nav a[aria-current="page"] {
  color: var(--text);
  font-weight: 600;
}

.header-tools {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: 6px;
  flex: none;
}

.icon-btn {
  appearance: none;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-muted);
  height: 32px;
  min-width: 32px;
  padding-inline: 9px;
  border-radius: 999px;
  font: inherit;
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.01em;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  transition: color 0.16s ease, border-color 0.16s ease, background 0.16s ease;
}

.icon-btn:hover {
  color: var(--text);
  border-color: var(--border-strong);
  background: var(--bg-elev);
}

.icon-btn svg {
  width: 15px;
  height: 15px;
  fill: currentColor;
}

.nav-toggle {
  display: none;
}

@media (max-width: 860px) {
  .nav-toggle {
    display: inline-flex;
  }

  .nav {
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    margin: 0;
    padding: 12px 18px 20px;
    background: var(--bg-elev);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-md);
    transform: translateY(-8px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s;
  }

  .nav[data-open="true"] {
    transform: none;
    opacity: 1;
    visibility: visible;
  }

  .nav a {
    padding: 11px 12px;
    font-size: 16px;
  }
}

/* -------------------------------------------------------------------- hero */

.hero {
  position: relative;
  padding-block: 108px 76px;
  text-align: center;
  overflow: hidden;
}

.hero__glow {
  position: absolute;
  inset: -30% -10% auto;
  height: 620px;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(42% 52% at 26% 34%, rgba(91, 75, 255, 0.3) 0%, transparent 70%),
    radial-gradient(38% 48% at 72% 26%, rgba(10, 132, 255, 0.26) 0%, transparent 70%),
    radial-gradient(34% 44% at 50% 62%, rgba(0, 191, 201, 0.2) 0%, transparent 72%);
  filter: blur(24px);
}

html[data-theme="dark"] .hero__glow {
  opacity: 0.72;
}

.hero > .wrap {
  position: relative;
  z-index: 1;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid transparent;
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 24px;
}

.hero h1 {
  font-size: clamp(38px, 6.4vw, 68px);
  letter-spacing: -0.035em;
  margin-bottom: 22px;
}

.grad-text {
  background: linear-gradient(100deg, var(--accent) 0%, var(--accent-2) 48%, var(--accent-3) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.lede {
  font-size: clamp(17px, 2vw, 21px);
  line-height: 1.55;
  color: var(--text-muted);
  max-width: 660px;
  margin-inline: auto;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin-top: 34px;
}

/* ----------------------------------------------------------------- buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 46px;
  padding-inline: 24px;
  border-radius: 999px;
  font-size: 15.5px;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.16s ease, background 0.16s ease, border-color 0.16s ease,
    color 0.16s ease, box-shadow 0.16s ease;
}

.btn:active {
  transform: scale(0.975);
}

.btn--primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 4px 16px rgba(91, 75, 255, 0.28);
}

.btn--primary:hover {
  background: var(--accent-hover);
  color: #fff;
  box-shadow: 0 6px 22px rgba(91, 75, 255, 0.36);
}

.btn--ghost {
  background: var(--bg-elev);
  color: var(--text);
  border-color: var(--border-strong);
}

.btn--ghost:hover {
  color: var(--text);
  border-color: var(--accent);
}

/* --------------------------------------------------------- section heading */

.sec-head {
  max-width: 680px;
  margin-bottom: 44px;
}

.sec-head--center {
  margin-inline: auto;
  text-align: center;
}

.sec-head h2 {
  font-size: clamp(28px, 3.6vw, 40px);
  letter-spacing: -0.03em;
  margin-bottom: 14px;
}

.sec-head p {
  font-size: 17px;
  color: var(--text-muted);
  line-height: 1.6;
}

.kicker {
  display: block;
  font-size: 13px;
  font-weight: 650;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}

/* --------------------------------------------------------------- app cards */

.app-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 18px;
}

.app-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 26px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-sm);
  color: var(--text);
  transition: transform 0.2s cubic-bezier(0.2, 0.7, 0.3, 1), box-shadow 0.2s ease,
    border-color 0.2s ease;
}

.app-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--border-strong);
  color: var(--text);
}

.app-card__top {
  display: flex;
  align-items: center;
  gap: 14px;
}

.app-icon {
  width: 60px;
  height: 60px;
  border-radius: 14px;
  flex: none;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.14);
}

.app-icon--lg {
  width: 104px;
  height: 104px;
  border-radius: 24px;
  box-shadow: var(--shadow-md);
}

.app-card__name {
  font-size: 19px;
  font-weight: 650;
  letter-spacing: -0.02em;
}

.app-card__role {
  font-size: 13.5px;
  color: var(--text-faint);
  margin-top: 2px;
}

.app-card__desc {
  font-size: 15px;
  line-height: 1.62;
  color: var(--text-muted);
  flex: 1;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.tag {
  font-size: 12px;
  font-weight: 550;
  color: var(--text-muted);
  background: var(--bg-sunken);
  border: 1px solid var(--border);
  padding: 4px 10px;
  border-radius: 999px;
  white-space: nowrap;
}

.tag--accent {
  color: var(--accent);
  background: var(--accent-soft);
  border-color: transparent;
}

.app-card__more {
  font-size: 14.5px;
  font-weight: 600;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.app-card:hover .app-card__more {
  gap: 9px;
}

.app-card__more span {
  transition: none;
}

/* --------------------------------------------------------------- pillars */

.pillars {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 18px;
}

.pillar {
  padding: 28px 26px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
}

.pillar__icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: var(--accent-soft);
  color: var(--accent);
  margin-bottom: 16px;
}

.pillar__icon svg {
  width: 21px;
  height: 21px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.pillar h3 {
  font-size: 17.5px;
  margin-bottom: 9px;
}

.pillar p {
  font-size: 14.8px;
  line-height: 1.62;
  color: var(--text-muted);
}

/* --------------------------------------------------------- privacy banner */

.banner {
  position: relative;
  overflow: hidden;
  border-radius: var(--r-xl);
  padding: 60px 48px;
  text-align: center;
  color: #fff;
  background: linear-gradient(125deg, #4a37e0 0%, #2f6bff 52%, #00b3c4 100%);
}

.banner h2 {
  font-size: clamp(26px, 3.4vw, 38px);
  letter-spacing: -0.03em;
  margin-bottom: 16px;
}

.banner p {
  font-size: 17px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.88);
  max-width: 620px;
  margin-inline: auto;
}

.banner .btn--ghost {
  background: rgba(255, 255, 255, 0.14);
  border-color: rgba(255, 255, 255, 0.4);
  color: #fff;
  backdrop-filter: blur(10px);
  margin-top: 30px;
}

.banner .btn--ghost:hover {
  background: rgba(255, 255, 255, 0.24);
  border-color: #fff;
  color: #fff;
}

.banner__facts {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 30px;
}

.banner__facts span {
  font-size: 13.5px;
  font-weight: 550;
  padding: 7px 15px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.22);
}

/* --------------------------------------------------------- app detail page */

.app-hero {
  position: relative;
  padding-block: 68px 52px;
  overflow: hidden;
}

.app-hero__inner {
  display: flex;
  align-items: center;
  gap: 30px;
  flex-wrap: wrap;
}

.app-hero h1 {
  font-size: clamp(32px, 4.6vw, 48px);
  letter-spacing: -0.035em;
  margin-bottom: 12px;
}

.app-hero .lede {
  margin-inline: 0;
  text-align: left;
}

.meta-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}

.chip {
  font-size: 12.5px;
  font-weight: 550;
  color: var(--text-muted);
  background: var(--bg-elev);
  border: 1px solid var(--border);
  padding: 6px 12px;
  border-radius: 999px;
  font-variant-numeric: tabular-nums;
}

.chip strong {
  color: var(--text);
  font-weight: 650;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: 16px;
}

.feature {
  padding: 22px 24px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
}

.feature h3 {
  font-size: 16.5px;
  margin-bottom: 8px;
  display: flex;
  align-items: baseline;
  gap: 9px;
}

.feature h3::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-3));
  flex: none;
  transform: translateY(-1px);
}

.feature p {
  font-size: 14.8px;
  line-height: 1.62;
  color: var(--text-muted);
}

/* Callout — used for privacy notes and honest caveats. */

.callout {
  display: flex;
  gap: 16px;
  padding: 22px 24px;
  border-radius: var(--r-md);
  background: var(--accent-soft);
  border: 1px solid transparent;
}

.callout__icon {
  flex: none;
  width: 24px;
  height: 24px;
  color: var(--accent);
}

.callout__icon svg {
  width: 24px;
  height: 24px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.callout h3 {
  font-size: 16px;
  margin-bottom: 7px;
}

.callout p {
  font-size: 14.8px;
  line-height: 1.62;
  color: var(--text-muted);
}

.callout--warn {
  background: rgba(255, 159, 10, 0.11);
}

.callout--warn .callout__icon {
  color: #c77700;
}

html[data-theme="dark"] .callout--warn .callout__icon {
  color: #ffb340;
}

/* --------------------------------------------------------------- prose/legal */

.prose {
  font-size: 16.5px;
  line-height: 1.75;
  color: var(--text);
}

.prose h2 {
  font-size: 25px;
  letter-spacing: -0.025em;
  margin: 52px 0 16px;
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.prose h2:first-child {
  margin-top: 0;
}

.prose h3 {
  font-size: 18.5px;
  margin: 32px 0 10px;
}

.prose p {
  margin: 0 0 16px;
  color: var(--text-muted);
}

.prose li {
  margin-bottom: 9px;
  color: var(--text-muted);
}

.prose ul,
.prose ol {
  margin: 0 0 18px;
}

.prose strong {
  color: var(--text);
  font-weight: 620;
}

.prose code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  background: var(--bg-sunken);
  border: 1px solid var(--border);
  padding: 1.5px 6px;
  border-radius: 6px;
  color: var(--text);
}

.page-head {
  padding-block: 68px 34px;
}

.page-head h1 {
  font-size: clamp(32px, 4.6vw, 48px);
  letter-spacing: -0.035em;
  margin-bottom: 14px;
}

.page-head .lede {
  margin-inline: 0;
}

.updated {
  font-size: 14px;
  color: var(--text-faint);
  margin-top: 18px;
  font-variant-numeric: tabular-nums;
}

/* Table of contents for the long legal pages. */

.toc {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 22px 26px;
  margin-bottom: 44px;
}

.toc h2 {
  font-size: 13px !important;
  font-weight: 650;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin: 0 0 12px !important;
}

.toc ol {
  margin: 0;
  padding-left: 1.3em;
  columns: 2;
  column-gap: 30px;
}

.toc li {
  margin-bottom: 7px;
  font-size: 15px;
  break-inside: avoid;
}

@media (max-width: 620px) {
  .toc ol {
    columns: 1;
  }
}

/* ------------------------------------------------------------------ tables */

.table-scroll {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  margin-bottom: 20px;
  -webkit-overflow-scrolling: touch;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14.8px;
  min-width: 620px;
}

th,
td {
  text-align: left;
  padding: 13px 16px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
  line-height: 1.55;
}

th {
  background: var(--bg-sunken);
  font-weight: 620;
  color: var(--text);
  white-space: nowrap;
}

td {
  color: var(--text-muted);
}

tbody tr:last-child td {
  border-bottom: 0;
}

td strong {
  color: var(--text);
  font-weight: 600;
}

/* --------------------------------------------------------------------- faq */

.faq {
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  background: var(--bg-elev);
  overflow: hidden;
}

.faq details {
  border-bottom: 1px solid var(--border);
}

.faq details:last-child {
  border-bottom: 0;
}

.faq summary {
  cursor: pointer;
  padding: 18px 24px;
  font-size: 16px;
  font-weight: 600;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 14px;
  transition: background 0.16s ease;
}

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

.faq summary:hover {
  background: var(--accent-soft);
}

.faq summary::after {
  content: "";
  margin-left: auto;
  width: 9px;
  height: 9px;
  border-right: 2px solid var(--text-faint);
  border-bottom: 2px solid var(--text-faint);
  transform: rotate(45deg) translate(-2px, -2px);
  transition: transform 0.2s ease;
  flex: none;
}

.faq details[open] summary::after {
  transform: rotate(-135deg) translate(-2px, -2px);
}

.faq__body {
  padding: 0 24px 20px;
  font-size: 15px;
  line-height: 1.68;
  color: var(--text-muted);
}

.faq__body p + p {
  margin-top: 12px;
}

/* --------------------------------------------------- company fact list */

.facts {
  margin: 0;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  overflow: hidden;
}

.facts > div {
  display: grid;
  grid-template-columns: 168px 1fr;
  gap: 6px 20px;
  padding: 14px 22px;
  border-bottom: 1px solid var(--border);
  font-size: 15px;
  line-height: 1.6;
}

.facts > div:last-child {
  border-bottom: 0;
}

.facts dt {
  color: var(--text-faint);
  font-weight: 550;
}

.facts dd {
  margin: 0;
  color: var(--text);
  font-variant-numeric: tabular-nums;
}

.facts dd a {
  font-weight: 550;
}

@media (max-width: 620px) {
  .facts > div {
    grid-template-columns: 1fr;
    padding: 14px 18px;
  }

  .facts dt {
    font-size: 13px;
  }
}

/* ---------------------------------------------------------------- contacts */

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 16px;
}

.contact-card {
  padding: 24px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
}

.contact-card h3 {
  font-size: 16px;
  margin-bottom: 7px;
}

.contact-card p {
  font-size: 14.5px;
  color: var(--text-muted);
  margin-bottom: 12px;
  line-height: 1.6;
}

.contact-card a {
  font-size: 15px;
  font-weight: 600;
  word-break: break-all;
}

/* ------------------------------------------------------------------ footer */

.site-footer {
  border-top: 1px solid var(--border);
  padding-block: 54px 40px;
  background: var(--bg);
}

.footer-cols {
  display: grid;
  grid-template-columns: 1.6fr repeat(3, 1fr);
  gap: 36px;
  margin-bottom: 40px;
}

@media (max-width: 780px) {
  .footer-cols {
    grid-template-columns: 1fr 1fr;
    gap: 30px;
  }
}

.footer-about p {
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--text-muted);
  margin-top: 14px;
  max-width: 300px;
}

.footer-col h4 {
  font-size: 12.5px;
  font-weight: 650;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: 14px;
}

.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-col li {
  margin-bottom: 9px;
}

.footer-col a {
  font-size: 14.5px;
  color: var(--text-muted);
}

.footer-col a:hover {
  color: var(--accent);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
  align-items: flex-start;
  justify-content: space-between;
  padding-top: 26px;
  border-top: 1px solid var(--border);
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--text-faint);
}

.footer-legal {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.footer-bottom address {
  font-style: normal;
  text-align: right;
}

@media (max-width: 860px) {
  .footer-bottom address {
    text-align: left;
  }
}

/* ---------------------------------------------------------------- reveal */

/* Scoped to html.js so a failed or blocked main.js leaves the content
   visible rather than stuck at opacity 0. */
html.js .reveal {
  opacity: 0;
  transform: translateY(18px);
}

html.js .reveal.is-in {
  opacity: 1;
  transform: none;
  transition: opacity 0.6s ease, transform 0.6s cubic-bezier(0.2, 0.7, 0.3, 1);
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }

  html.js .reveal {
    opacity: 1;
    transform: none;
  }
}

/* ------------------------------------------------------------------ mobile */

@media (max-width: 640px) {
  body {
    font-size: 16px;
  }

  .section {
    padding-block: 64px;
  }

  .hero {
    padding-block: 72px 56px;
  }

  .banner {
    padding: 44px 26px;
    border-radius: var(--r-lg);
  }

  .app-grid {
    grid-template-columns: 1fr;
  }

  .app-hero__inner {
    gap: 22px;
  }

  .app-icon--lg {
    width: 84px;
    height: 84px;
    border-radius: 20px;
  }
}

@media print {
  .site-header,
  .site-footer,
  .hero__glow,
  .header-tools {
    display: none !important;
  }

  body {
    background: #fff;
    color: #000;
  }
}