@font-face {
  font-family: 'Amiri';
  src: url('../fonts/amiri-400-arabic.woff2') format('woff2');
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  unicode-range: U+0600-06FF, U+0750-077F, U+08A0-08FF, U+FB50-FDFF, U+FE70-FEFF;
}

@font-face {
  font-family: 'Amiri';
  src: url('../fonts/amiri-700-arabic.woff2') format('woff2');
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  unicode-range: U+0600-06FF, U+0750-077F, U+08A0-08FF, U+FB50-FDFF, U+FE70-FEFF;
}

@font-face {
  font-family: 'Amiri';
  src: url('../fonts/amiri-400-latin.woff2') format('woff2');
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  unicode-range: U+0000-024F;
}

@font-face {
  font-family: 'Amiri';
  src: url('../fonts/amiri-700-latin.woff2') format('woff2');
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  unicode-range: U+0000-024F;
}

:root {
  --ink: #171916;
  --ink-soft: #4e524d;
  --paper: #fbfaf7;
  --surface: #f3f1ec;
  --card: #fffdfa;
  --line: #d7cdbb;
  --charcoal: #15130f;
  --gold: #b88a38;
  --gold-dark: #805d21;
  --green: #168b4d;
  --green-dark: #0d6e3b;
  --proof: #2f302b;
  --max-width: 1180px;
  color-scheme: light;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 78px;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: 'Amiri', Georgia, serif;
  font-size: 18px;
  line-height: 1.75;
  letter-spacing: 0;
}

html[lang="zh"] body,
html[lang="zh"] button {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

body,
button,
a { -webkit-font-smoothing: antialiased; }

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

a { color: inherit; }

.container {
  width: min(calc(100% - 40px), var(--max-width));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  height: 72px;
  background: rgba(17, 19, 16, .97);
  color: #fff;
  border-bottom: 1px solid rgba(184, 138, 56, .45);
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  text-decoration: none;
  white-space: nowrap;
}

.brand-mark {
  width: 44px;
  height: 44px;
  flex: 0 0 auto;
  border: 1px solid rgba(184, 138, 56, .58);
  border-radius: 50%;
  overflow: hidden;
  object-fit: cover;
  box-shadow: 0 0 0 3px rgba(184, 138, 56, .08);
}

.brand strong {
  font-size: 24px;
  line-height: 1;
}

.brand span {
  color: #d7c49e;
  font-size: 14px;
}

.language-switch {
  direction: ltr;
  flex: 0 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 68px);
  padding: 3px;
  border: 1px solid rgba(255, 255, 255, .24);
  border-radius: 6px;
  background: rgba(255, 255, 255, .08);
}

.language-button {
  width: 68px;
  height: 34px;
  padding: 0 4px;
  border: 0;
  border-radius: 4px;
  background: transparent;
  color: #dfe2dd;
  font: 700 13px/1 Arial, sans-serif;
  cursor: pointer;
}

.language-button:hover { color: #fff; }

.language-button[aria-pressed="true"] {
  background: #fff;
  color: var(--charcoal);
}

.language-short { display: none; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 26px;
  font-size: 16px;
}

.nav-links a {
  color: #e9ebe7;
  text-decoration: none;
}

.nav-links a:hover { color: #fff; }

.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 11px 22px;
  border: 1px solid transparent;
  border-radius: 6px;
  background: var(--green);
  color: #fff;
  font-family: inherit;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.35;
  text-align: center;
  text-decoration: none;
  transition: background-color 160ms ease, border-color 160ms ease, transform 160ms ease;
}

.button:hover {
  background: var(--green-dark);
  transform: translateY(-1px);
}

.button--light {
  background: #fff;
  border-color: rgba(255, 255, 255, .55);
  color: var(--charcoal);
}

.button--light:hover { background: #eceeea; }

.button--compact {
  min-height: 42px;
  padding: 8px 17px;
  font-size: 15px;
}

.whatsapp-mark {
  width: 22px;
  height: 22px;
  display: inline-grid;
  place-items: center;
  border: 2px solid currentColor;
  border-radius: 50%;
  font-family: Arial, sans-serif;
  font-size: 13px;
  line-height: 1;
}

.hero {
  position: relative;
  isolation: isolate;
  height: min(700px, calc(100svh - 120px));
  min-height: 560px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--charcoal);
  color: #fff;
}

.hero__media,
.hero__veil {
  position: absolute;
  inset: 0;
}

.hero__media {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  z-index: -2;
}

.hero__veil {
  z-index: -1;
  background: rgba(10, 12, 10, .68);
}

.hero__content {
  width: min(720px, 72%);
  padding-block: 56px;
}

.eyebrow {
  margin: 0 0 13px;
  color: #e4c47e;
  font-size: 17px;
  font-weight: 700;
}

.hero h1 {
  max-width: 680px;
  margin: 0;
  font-size: 54px;
  line-height: 1.25;
}

.hero__lead {
  max-width: 620px;
  margin: 22px 0 28px;
  color: #f0f1ef;
  font-size: 23px;
  line-height: 1.7;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.hero__note {
  width: 100%;
  margin: 2px 0 0;
  color: #d5d8d2;
  font-size: 14px;
}

.proof-strip {
  background: var(--proof);
  color: #fff;
}

.proof-grid {
  min-height: 104px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  align-items: center;
}

.proof-item {
  min-height: 58px;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 22px;
  border-inline-start: 1px solid rgba(255, 255, 255, .2);
}

.proof-item:first-child { border-inline-start: 0; }

.proof-item b {
  color: #e7c982;
  font-size: 22px;
}

.proof-item span {
  font-size: 16px;
  line-height: 1.45;
}

.section { padding: 88px 0; }
.section--soft { background: var(--surface); }
.section--dark { background: var(--charcoal); color: #fff; }

.section-heading {
  max-width: 720px;
  margin: 0 auto 42px;
  text-align: center;
}

.section-heading--start {
  margin-inline: 0;
  text-align: start;
}

.section-heading h2 {
  margin: 0 0 12px;
  font-size: 38px;
  line-height: 1.3;
}

.section-heading p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 19px;
}

.section--dark .section-heading p { color: #c9cdc7; }

.gold-rule {
  width: 54px;
  height: 3px;
  margin: 0 auto 18px;
  background: var(--gold);
}

.section-heading--start .gold-rule { margin-inline: 0; }

.product-grid,
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.product-card,
.feature-card,
.faq-item {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--card);
}

.product-card { overflow: hidden; }

.product-card img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.product-card__body { padding: 24px; }

.product-card h3,
.feature-card h3 {
  margin: 0 0 8px;
  font-size: 24px;
  line-height: 1.4;
}

.product-card p,
.feature-card p {
  margin: 0;
  color: var(--ink-soft);
}

.product-card .button {
  width: 100%;
  margin-top: 20px;
}

.feature-card { padding: 26px; }

.feature-number {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  margin-bottom: 16px;
  border: 1px solid var(--gold);
  border-radius: 50%;
  color: var(--gold-dark);
  font-weight: 700;
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  counter-reset: step;
}

.step {
  position: relative;
  padding: 26px 22px;
  border-top: 3px solid var(--gold);
  background: var(--card);
  counter-increment: step;
}

.step::before {
  content: counter(step, decimal-leading-zero);
  display: block;
  margin-bottom: 12px;
  color: var(--gold-dark);
  font-size: 24px;
  font-weight: 700;
}

.step h3 { margin: 0 0 7px; font-size: 21px; }
.step p { margin: 0; color: var(--ink-soft); font-size: 16px; }

.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(340px, .9fr);
  gap: 54px;
  align-items: center;
}

.split__media {
  width: 100%;
  aspect-ratio: 4 / 3;
  border-radius: 8px;
  object-fit: cover;
}

.check-list,
.set-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding: 10px 0;
  padding-inline-start: 34px;
  border-bottom: 1px solid var(--line);
}

.check-list li::before {
  content: '✓';
  position: absolute;
  inset-inline-start: 0;
  top: 10px;
  color: var(--green);
  font-weight: 700;
}

.set-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.set-item {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 14px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--card);
}

.set-item__number {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--charcoal);
  color: #fff;
  font-weight: 700;
}

.set-item h3 { margin: 0 0 4px; font-size: 19px; }
.set-item p { margin: 0; color: var(--ink-soft); font-size: 15px; }

.price-block {
  display: inline-flex;
  align-items: baseline;
  gap: 12px;
  margin: 5px 0 20px;
  padding: 7px 15px;
  border: 1px solid rgba(231, 201, 130, .7);
  border-radius: 6px;
  background: rgba(17, 19, 16, .56);
}

.price-block strong {
  color: #f2d791;
  font-family: Georgia, serif;
  font-size: 38px;
  line-height: 1;
}

.price-block span { color: #f0f1ef; font-size: 16px; }

.faq-list {
  max-width: 860px;
  margin-inline: auto;
  display: grid;
  gap: 12px;
}

.faq-item { padding: 22px 26px; }
.faq-item h3 { margin: 0 0 5px; font-size: 20px; }
.faq-item p { margin: 0; color: var(--ink-soft); }

.final-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}

.final-cta h2 { margin: 0 0 8px; font-size: 36px; }
.final-cta p { margin: 0; color: #c9cdc7; }

.site-footer {
  padding: 30px 0 92px;
  background: #080908;
  color: #c8cbc5;
  font-size: 14px;
}

.footer-inner {
  display: grid;
  grid-template-columns: minmax(0, .8fr) minmax(320px, 1.2fr);
  align-items: start;
  gap: 48px;
}

.footer-summary p { margin: 0 0 10px; }
.footer-summary {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  column-gap: 14px;
  align-items: start;
}

.footer-summary > .brand-mark {
  width: 56px;
  height: 56px;
  grid-row: 1 / 3;
}

.footer-links { display: flex; gap: 20px; }
.footer-links a { color: #e3e5e0; text-decoration: none; }
.footer-links a:hover { text-decoration: underline; }

.business-details {
  display: grid;
  gap: 4px;
  font-style: normal;
  line-height: 1.65;
}

.business-details strong {
  color: #f1f2ef;
  font-size: 16px;
}

.business-details a {
  width: fit-content;
  color: #e3e5e0;
  overflow-wrap: anywhere;
  text-decoration-color: rgba(227, 229, 224, .45);
}

.mobile-action {
  position: fixed;
  z-index: 40;
  right: 16px;
  bottom: 14px;
  left: 16px;
  display: none;
  box-shadow: 0 8px 24px rgba(0, 0, 0, .3);
}

a:focus-visible,
button:focus-visible {
  outline: 3px solid #f5c65c;
  outline-offset: 3px;
}

@media (max-width: 900px) {
  .nav-links a:not(.button) { display: none; }
  .hero h1 { font-size: 44px; }
  .hero__lead { font-size: 21px; }
  .hero__content { width: min(760px, 88%); }
  .proof-grid { grid-template-columns: repeat(2, 1fr); padding-block: 10px; }
  .proof-item:nth-child(3) { border-inline-start: 0; }
  .product-grid,
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .product-card:last-child { grid-column: 1 / -1; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .split { grid-template-columns: 1fr; gap: 34px; }
  .split__media { max-height: 480px; }
}

@media (max-width: 620px) {
  body { font-size: 17px; }
  .container { width: min(calc(100% - 28px), var(--max-width)); }
  .site-header { height: 64px; }
  .header-inner { gap: 10px; }
  .brand-mark { width: 36px; height: 36px; }
  .footer-summary > .brand-mark { width: 48px; height: 48px; }
  .brand strong { font-size: 20px; }
  .brand span { display: none; }
  .nav-links { display: none; }
  .language-switch { grid-template-columns: repeat(3, 42px); }
  .language-button { width: 42px; padding: 0 2px; font-size: 12px; }
  .language-long { display: none; }
  .language-short { display: inline; }
  .hero {
    height: calc(100svh - 164px);
    min-height: 520px;
    max-height: 520px;
  }
  .hero__media { object-position: 45% center; }
  .hero__veil { background: rgba(10, 12, 10, .7); }
  .hero__content { width: 100%; padding-block: 34px; }
  .eyebrow { font-size: 15px; }
  .hero h1 { font-size: 36px; line-height: 1.3; }
  .hero__lead { margin-block: 16px 20px; font-size: 19px; line-height: 1.55; }
  .hero__actions .button { width: 100%; }
  .hero__actions .button--light { display: none; }
  .hero__note { text-align: center; }
  .proof-grid { grid-template-columns: 1fr 1fr; }
  .proof-item { min-height: 72px; padding: 10px; gap: 8px; }
  .proof-item span { font-size: 14px; }
  .proof-item b { font-size: 18px; }
  .section { padding: 62px 0; }
  .section-heading { margin-bottom: 30px; }
  .section-heading h2 { font-size: 30px; }
  .section-heading p { font-size: 17px; }
  .product-grid,
  .feature-grid,
  .steps,
  .set-list { grid-template-columns: 1fr; }
  .product-card:last-child { grid-column: auto; }
  .feature-card,
  .product-card__body { padding: 20px; }
  .split { gap: 26px; }
  .split__media { aspect-ratio: 16 / 11; }
  .final-cta { flex-direction: column; align-items: stretch; gap: 22px; }
  .final-cta h2 { font-size: 30px; }
  .final-cta .button { width: 100%; }
  .footer-inner { grid-template-columns: 1fr; gap: 26px; }
  .footer-links { flex-wrap: wrap; }
  .mobile-action { display: inline-flex; }
}

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

/* B2B purchasing layout */
.skip-link { position: fixed; inset-block-start: -100px; inset-inline-start: 16px; z-index: 100; padding: 12px 20px; background: white; color: #15130f; }
.skip-link:focus { inset-block-start: 12px; }
.hero { height: auto; min-height: 620px; }
.hero__veil { background: linear-gradient(270deg, rgba(10,12,10,.94) 0%, rgba(10,12,10,.8) 48%, rgba(10,12,10,.28) 100%); }
.hero__content { width: min(700px, 76%); padding-block: 64px; }
.hero h1 { font-size: clamp(36px, 4vw, 56px); }
.hero__lead { font-size: 22px; }
.hero__tags { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; margin: 0 0 28px; padding: 0; }
.hero__tags li { border: 1px solid #8f8060; border-radius: 3px; padding: 3px 13px; color: #ead9b6; font-size: 15px; }
.hero__note { font-size: 16px; }
.product-card { display: flex; flex-direction: column; }
.product-card__body { display: flex; flex-direction: column; flex: 1; }
.product-card p.product-card__spec { padding-block: 14px; margin-top: 16px; border-top: 1px solid var(--line); font-size: 16px; color: var(--gold-dark); }
.product-card .button { margin-top: auto; }
.sample-callout { display: flex; align-items: center; justify-content: space-between; gap: 32px; margin-top: 32px; padding: 30px; background: var(--charcoal); color: white; border-radius: 8px; }
.sample-callout h3 { margin: 0 0 8px; font-size: 27px; }
.sample-callout p { margin: 0; max-width: 700px; }
.sample-callout .eyebrow { margin-bottom: 8px; }
.sample-callout .button { flex-shrink: 0; }
body.admin-bar .site-header { top: 32px; }
@media (max-width: 782px) { body.admin-bar .site-header { top: 46px; } }
@media (max-width: 620px) {
  .hero { min-height: 0; max-height: none; height: auto; }
  .hero__content { width: 100%; padding-block: 42px 46px; }
  .hero__veil { background: rgba(10,12,10,.82); }
  .hero__lead { font-size: 20px; }
  .hero__tags { gap: 6px; margin-bottom: 24px; }
  .hero__tags li { padding-inline: 9px; font-size: 14px; }
  .hero__actions .button--light { display: inline-flex; background: transparent; color: white; }
  .sample-callout { flex-direction: column; align-items: stretch; gap: 22px; padding: 24px; }
  .mobile-action { bottom: calc(12px + env(safe-area-inset-bottom)); }
  .site-footer { padding-bottom: calc(110px + env(safe-area-inset-bottom)); }
}
@media (max-width: 600px) { body.admin-bar .site-header { top: 0; } }