:root {
  color: #071327;
  background: #f5f8fc;
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  --ink: #071327;
  --muted: #58657a;
  --line: #dbe5ef;
  --blue: #1468f4;
  --blue-dark: #0b51c9;
  --orange: #f17d35;
  --navy: #06111f;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { min-width: 320px; min-height: 100vh; margin: 0; background: #f5f8fc; color: var(--ink); -webkit-font-smoothing: antialiased; }
img { max-width: 100%; }
a { color: inherit; }
button, select { font: inherit; }
a, select { -webkit-tap-highlight-color: transparent; }
.site-header, .content-section, footer { width: min(100% - 48px, 1180px); margin-inline: auto; }

.site-header {
  min-height: 88px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  background: #f8fbff;
}
.brand {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  direction: ltr;
  unicode-bidi: isolate;
  color: var(--ink);
  font-size: clamp(24px, 3vw, 31px);
  letter-spacing: -.052em;
  text-decoration: none;
}
.brand strong { font-weight: 850; }
.brand span { font-weight: 400; }
.language-picker { display: flex; align-items: center; gap: 12px; color: #526178; font-size: 14px; font-weight: 750; }
.language-picker select {
  width: min(230px, 42vw);
  min-height: 50px;
  padding: 0 42px 0 18px;
  border: 1px solid #c8d7e6;
  border-radius: 999px;
  background-color: #fff;
  color: var(--ink);
  font-weight: 750;
  cursor: pointer;
}
[dir="rtl"] .language-picker select { padding: 0 18px 0 42px; }

main { background: #fff; }
.hero {
  position: relative;
  min-height: 742px;
  background-color: var(--navy);
  background-image: url("/apps/welding-gas-wallet/assets/welding-workshop-hero.webp");
  background-position: center;
  background-size: cover;
  color: #fff;
  isolation: isolate;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: rgba(1, 10, 20, .14);
}
.hero-inner {
  width: min(100% - 48px, 1180px);
  min-height: 742px;
  margin-inline: auto;
  padding-block: 68px 62px;
  display: flex;
  align-items: center;
}
.hero-copy { width: min(53%, 620px); }
.platform {
  margin: 0 0 20px;
  color: var(--orange);
  font-size: 13px;
  font-weight: 850;
  letter-spacing: .115em;
  text-transform: uppercase;
}
h1 {
  max-width: 660px;
  margin: 0;
  font-size: clamp(54px, 6vw, 84px);
  line-height: .96;
  letter-spacing: -.066em;
  text-wrap: balance;
}
.summary {
  max-width: 590px;
  margin: 26px 0 30px;
  color: #d7e2ed;
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.52;
}
.app-store-badge { width: 180px; height: 60px; display: inline-block; }
.app-store-badge img { width: 180px; height: 60px; display: block; }

.content-section { padding-block: 92px; }
.section-heading { max-width: 780px; }
.section-kicker {
  margin: 0 0 15px;
  color: var(--orange);
  font-size: 13px;
  font-weight: 850;
  letter-spacing: .115em;
  text-transform: uppercase;
}
h2 {
  margin: 0;
  font-size: clamp(40px, 5vw, 64px);
  line-height: 1.02;
  letter-spacing: -.058em;
  text-wrap: balance;
}
.section-heading > p:last-child, .search-copy > p:last-child, .support-section > div:last-child > p {
  margin: 20px 0 0;
  color: var(--muted);
  font-size: 19px;
  line-height: 1.65;
}
.workshop { background: #fff; }
.detail-grid {
  margin-top: 50px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
.detail-grid article {
  min-height: 260px;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #fff;
}
.detail-grid span { color: var(--blue); font-size: 14px; font-weight: 850; letter-spacing: .1em; }
.detail-grid h3 {
  margin: 28px 0 0;
  color: var(--ink);
  font-size: clamp(24px, 2.35vw, 32px);
  line-height: 1.08;
  letter-spacing: -.04em;
  text-wrap: balance;
}
.detail-grid p { margin: 22px 0 0; color: #344963; font-size: 17px; line-height: 1.67; }

.search-section {
  padding: 54px 58px;
  border-radius: 24px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, .92fr);
  gap: 62px;
  background: #edf5ff;
  align-items: center;
}
.search-section h2 { font-size: clamp(34px, 4.4vw, 54px); }
.topic-list { margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 10px; list-style: none; }
.topic-list li {
  padding: 10px 14px;
  border: 1px solid #bad2e9;
  border-radius: 999px;
  background: #fff;
  color: #254561;
  font-size: 14px;
  font-weight: 720;
}

.privacy-section { margin-top: 92px; background: var(--navy); color: #fff; }
.privacy-inner {
  display: grid;
  grid-template-columns: minmax(280px, .8fr) minmax(0, 1.2fr);
  gap: 84px;
  align-items: start;
}
.privacy-section .section-kicker { color: var(--orange); }
.privacy-section h2 { font-size: clamp(38px, 5vw, 58px); }
.long-copy p { margin: 0 0 22px; color: #cbd9e7; font-size: 18px; line-height: 1.74; }
.long-copy p:last-child { margin-bottom: 0; }

.pricing-section { padding-block: 100px; }
.pricing-grid { margin-top: 48px; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; align-items: stretch; }
.price-card { min-height: 270px; padding: 34px; border-radius: 22px; }
.price-card strong { display: block; font-size: clamp(54px, 7vw, 82px); line-height: .92; letter-spacing: -.06em; }
.price-card p { margin: 20px 0 0; font-size: 17px; line-height: 1.58; }
.price-card--free { border: 1px solid var(--line); background: #f8fbff; color: var(--ink); }
.price-card--free p { color: var(--muted); }
.price-card--pro { background: var(--blue); color: #fff; }
.price-card--pro p { color: #eff6ff; }
.purchase-note { max-width: 760px; margin: 22px 0 0; color: var(--muted); font-size: 14px; line-height: 1.6; }

.support-section {
  margin-bottom: 90px;
  padding: 50px 58px;
  border-radius: 24px;
  display: block;
  background: #eff6ff;
}
.support-section h2 { font-size: clamp(38px, 5vw, 58px); }
.text-download {
  margin-top: 25px;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--blue-dark);
  font-size: 17px;
  font-weight: 850;
  text-underline-offset: 4px;
}

footer { padding-block: 34px 42px; }
.footer-top { min-height: 60px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.footer-top > a { text-decoration: none; font-size: 18px; letter-spacing: -.025em; }
.footer-top nav { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 24px; }
.footer-top nav a { color: #314965; font-size: 14px; font-weight: 720; text-underline-offset: 4px; }
.apple-credit { max-width: 760px; margin: 22px 0 0; color: #78869a; font-size: 11px; line-height: 1.55; }

a:focus-visible, select:focus-visible { outline: 3px solid var(--orange); outline-offset: 4px; }

@media (max-width: 920px) {
  .hero-copy { width: 60%; }
  .detail-grid { grid-template-columns: 1fr; }
  .detail-grid article { min-height: 0; }
  .search-section, .privacy-inner { grid-template-columns: 1fr; gap: 38px; }
  .pricing-grid { grid-template-columns: 1fr; }
}

@media (max-width: 680px) {
  .site-header, .content-section, footer { width: min(100% - 32px, 1180px); }
  .site-header { min-height: 98px; align-items: center; }
  .brand { font-size: 23px; }
  .language-picker > span { display: none; }
  .language-picker select { width: min(170px, 46vw); min-height: 46px; }
  .hero { min-height: 724px; background-position: 64% center; }
  .hero::before { background: rgba(1, 10, 20, .35); }
  .hero-inner {
    width: min(100% - 38px, 1180px);
    min-height: 724px;
    padding-block: 44px 48px;
    align-items: flex-start;
  }
  .hero-copy { width: 100%; }
  .platform { margin: 0 0 16px; font-size: 11px; }
  h1 { max-width: 395px; font-size: clamp(46px, 12vw, 58px); }
  .summary { max-width: 440px; margin: 20px 0 24px; font-size: 17px; }
  .app-store-badge, .app-store-badge img { width: 164px; height: auto; }
  .content-section { padding-block: 70px; }
  h2 { font-size: clamp(36px, 10vw, 50px); }
  .detail-grid { margin-top: 34px; }
  .detail-grid article { padding: 25px; }
  .search-section { width: min(100% - 32px, 1180px); padding: 36px 24px; border-radius: 20px; }
  .privacy-section { margin-top: 70px; }
  .pricing-section { padding-block: 60px; }
  .pricing-grid { margin-top: 26px; gap: 12px; }
  .price-card { min-height: 0; padding: 20px; border-radius: 18px; }
  .price-card strong { font-size: 40px; line-height: .98; }
  .price-card p { margin-top: 10px; font-size: 15px; line-height: 1.45; }
  .purchase-note { margin-top: 18px; }
  .support-section { margin-bottom: 70px; padding: 32px 24px; }
  .footer-top { align-items: flex-start; flex-direction: column; }
  .footer-top nav { justify-content: flex-start; }
}

@media (max-width: 430px) {
  .site-header { width: min(100% - 24px, 1180px); }
  .site-header { gap: 8px; }
  .brand { font-size: 18px; }
  .language-picker select { width: min(132px, 40vw); padding-inline-start: 12px; }
  .hero { min-height: 700px; background-position: 66% center; }
  .hero-inner { width: min(100% - 30px, 1180px); }
  .summary { line-height: 1.45; }
}

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