:root {
  --blue: #1769aa;
  --blue-dark: #124f80;
  --orange: #e9782f;
  --orange-dark: #c85c19;
  --ink: #344054;
  --muted: #667085;
  --line: #d8e0e7;
  --page: #f2f4f6;
  --white: #fff;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--page); font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
a { color: var(--blue-dark); text-decoration-thickness: 1px; text-underline-offset: 3px; }
img { max-width: 100%; }
.wrap { width: min(1120px, calc(100% - 48px)); margin-inline: auto; }
.site-header { position: sticky; z-index: 20; top: 0; background: rgba(255,255,255,.94); border-bottom: 1px solid var(--line); backdrop-filter: blur(12px); }
.site-header__inner { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 9px; color: var(--ink); text-decoration: none; }
.brand svg { width: 35px; height: 35px; }
.brand .page { fill: #fff; stroke: var(--blue); stroke-width: 2.5; }
.brand .fold, .brand .line, .brand .plus { fill: none; stroke-linecap: round; }
.brand .fold { stroke: var(--orange); stroke-width: 2.5; }
.brand .line { stroke: var(--blue); stroke-width: 2.3; }
.brand .plus { stroke: var(--orange); stroke-width: 3; }
.brand strong { font-size: 23px; letter-spacing: -.06em; }
.brand strong span { color: var(--orange); }
.header-links { display: flex; align-items: center; gap: 20px; font-size: 14px; font-weight: 700; }
.header-links a { text-decoration: none; }
.language-switcher { display: flex; justify-content: flex-end; gap: 6px; padding-top: 14px; }
.language-switcher a { min-width: 37px; padding: 7px 9px; color: var(--muted); background: rgba(255,255,255,.72); border: 1px solid var(--line); border-radius: 999px; font-size: 11px; font-weight: 800; text-align: center; text-decoration: none; }
.language-switcher a:hover { color: var(--blue); border-color: #aabfce; }
.language-switcher a[aria-current="page"] { color: #fff; background: var(--blue); border-color: var(--blue); }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 12px 20px; color: #fff; background: var(--orange); border-radius: 12px; font-weight: 800; text-decoration: none; }
.button--light { color: var(--blue-dark); background: #fff; }
.eyebrow { color: var(--orange-dark); font-size: 12px; font-weight: 850; letter-spacing: .12em; text-transform: uppercase; }
.article-hero { padding: 88px 0 70px; }
.article-hero__grid { display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: 68px; }
.article-hero h1 { max-width: 720px; margin: 15px 0 20px; color: var(--ink); font-size: clamp(48px, 6.4vw, 80px); line-height: .98; letter-spacing: -.06em; }
.article-hero h1 span { color: var(--blue); }
.lead { max-width: 660px; margin: 0; color: var(--muted); font-size: 19px; line-height: 1.65; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.hero-note { margin-top: 15px; color: var(--muted); font-size: 12px; }
.hero-card { padding: 30px; overflow: hidden; background: #dfe8ee; border: 1px solid #cdd8e0; border-radius: 28px; transform: rotate(1.2deg); box-shadow: 0 28px 60px rgba(52,64,84,.16); }
.hero-card__window { overflow: hidden; background: #fff; border-radius: 15px; box-shadow: 0 12px 30px rgba(52,64,84,.15); }
.hero-card__bar { height: 37px; display: flex; align-items: center; gap: 6px; padding: 0 13px; background: #f8fafb; border-bottom: 1px solid var(--line); }
.hero-card__bar i { width: 8px; height: 8px; border-radius: 50%; background: #cbd5dc; }
.hero-card__page { width: 68%; margin: 22px auto; padding: 17px; color: #7d6d5b; background: #f9f4ea; box-shadow: 0 8px 20px rgba(52,64,84,.16); }
.hero-card__food { height: 128px; display: grid; place-items: center; margin-bottom: 16px; overflow: hidden; background: linear-gradient(145deg,#e1edf4,#f7f3ea); border-radius: 12px; }
.hero-card__burger { position: relative; width: 112px; height: 80px; filter: drop-shadow(0 9px 8px rgba(52,64,84,.18)); }
.hero-card__burger i { position: absolute; left: 8px; width: 96px; display: block; }
.hero-card__burger i:nth-child(1) { top: 4px; height: 32px; background: #e99a3e; border-radius: 55px 55px 12px 12px; }
.hero-card__burger i:nth-child(2) { top: 34px; height: 8px; background: #67a451; border-radius: 50%; transform: rotate(-2deg); }
.hero-card__burger i:nth-child(3) { top: 42px; height: 17px; background: #66402e; border-radius: 8px; }
.hero-card__burger i:nth-child(4) { top: 57px; height: 8px; background: #f4b933; transform: skew(-16deg); }
.hero-card__burger i:nth-child(5) { top: 64px; height: 16px; background: #d9822d; border-radius: 5px 5px 32px 32px; }
.hero-card__details { display: grid; grid-template-columns: 1fr auto; gap: 5px 12px; }
.hero-card__details strong { color: #55483c; font-size: 16px; }
.hero-card__details p { grid-column: 1 / -1; margin: 0; color: #7d6d5b; font-size: 9px; line-height: 1.45; }
.hero-card__details b { color: var(--orange); font-size: 15px; }
.article-shell { padding-bottom: 100px; }
.article-layout { display: grid; grid-template-columns: minmax(0, 1fr) 260px; align-items: start; gap: 56px; }
.article { overflow: hidden; background: #fff; border: 1px solid var(--line); border-radius: 28px; }
.article > section { padding: 62px 68px; }
.article > section + section { border-top: 1px solid var(--line); }
.article h2 { margin: 0 0 17px; font-size: clamp(31px, 4vw, 47px); line-height: 1.08; letter-spacing: -.045em; }
.article h3 { margin: 30px 0 10px; font-size: 22px; letter-spacing: -.02em; }
.article p, .article li { color: #53606d; font-size: 16px; line-height: 1.72; }
.article p { margin: 0 0 18px; }
.article ul { margin: 20px 0 0; padding-left: 20px; }
.problem-grid, .steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 30px; }
.problem, .step { padding: 22px; background: #f6f8fa; border: 1px solid var(--line); border-radius: 17px; }
.problem b, .step b { display: block; margin-bottom: 9px; color: var(--ink); }
.problem p, .step p { margin: 0; font-size: 13px; line-height: 1.55; }
.step em { display: inline-grid; width: 30px; height: 30px; margin-bottom: 15px; place-items: center; color: #fff; background: var(--blue); border-radius: 9px; font-size: 13px; font-style: normal; font-weight: 850; }
.shot { margin: 32px 0 0; overflow: hidden; background: #d7dde2; border: 1px solid #c5d0d8; border-radius: 20px; box-shadow: 0 18px 38px rgba(52,64,84,.13); }
.shot img { width: 100%; height: auto; display: block; }
.shot figcaption { padding: 13px 17px; color: var(--muted); background: #fff; border-top: 1px solid var(--line); font-size: 12px; line-height: 1.5; }
.mobile-demo { display: grid; grid-template-columns: 310px 1fr; align-items: center; gap: 52px; margin-top: 35px; }
.mobile-demo .shot { margin: 0; border-radius: 26px; }
.callout { margin-top: 30px; padding: 24px 26px; background: #e9f2f8; border-left: 4px solid var(--blue); border-radius: 4px 16px 16px 4px; }
.callout strong { display: block; margin-bottom: 7px; }
.callout p { margin: 0; font-size: 14px; }
.comparison { width: 100%; margin-top: 28px; border-collapse: separate; border-spacing: 0; overflow: hidden; border: 1px solid var(--line); border-radius: 15px; }
.comparison th, .comparison td { padding: 15px 17px; text-align: left; border-bottom: 1px solid var(--line); }
.comparison th { color: var(--ink); background: #eef3f6; font-size: 13px; }
.comparison td { color: #53606d; font-size: 13px; line-height: 1.5; }
.comparison tr:last-child td { border-bottom: 0; }
.article-cta { color: #fff; background: var(--blue-dark); }
.article-cta h2, .article-cta p { color: #fff; }
.article-cta p { color: rgba(255,255,255,.78); }
.article-cta .article-cta__eyebrow { color: #ffb17d; }
.toc { position: sticky; top: 98px; padding: 21px; background: #fff; border: 1px solid var(--line); border-radius: 18px; }
.toc strong { display: block; margin-bottom: 13px; font-size: 13px; }
.toc a { display: block; padding: 8px 0; color: var(--muted); font-size: 13px; line-height: 1.35; text-decoration: none; }
.toc a:hover { color: var(--blue); }
.source-note { margin-top: 25px; color: var(--muted); font-size: 12px !important; }
.article-list { padding: 86px 0 110px; }
.article-list h1 { margin: 13px 0 42px; font-size: clamp(48px, 7vw, 78px); letter-spacing: -.06em; }
.article-card { display: grid; grid-template-columns: 1fr 280px; align-items: center; gap: 35px; padding: 35px; color: inherit; background: #fff; border: 1px solid var(--line); border-radius: 24px; text-decoration: none; }
.article-card h2 { margin: 10px 0 13px; font-size: 32px; letter-spacing: -.04em; }
.article-card p { color: var(--muted); line-height: 1.6; }
.article-card__visual { display: grid; min-height: 190px; place-items: center; color: #fff; background: var(--blue); border-radius: 18px; font-size: 72px; }
.site-footer { padding: 32px 0; color: var(--muted); background: #e5ebef; border-top: 1px solid var(--line); font-size: 13px; }
.site-footer .wrap { display: flex; justify-content: space-between; gap: 20px; }

@media (max-width: 900px) {
  .article-hero__grid, .article-layout { grid-template-columns: 1fr; }
  .hero-card { max-width: 620px; }
  .toc { display: none; }
  .problem-grid, .steps { grid-template-columns: 1fr; }
  .mobile-demo { grid-template-columns: 260px 1fr; gap: 32px; }
}

@media (max-width: 620px) {
  .wrap { width: min(100% - 30px, 1120px); }
  .header-links a:not(.button) { display: none; }
  .language-switcher { justify-content: flex-start; gap: 4px; overflow-x: auto; padding-bottom: 3px; scrollbar-width: none; }
  .language-switcher a { min-width: 34px; padding-inline: 7px; }
  .language-switcher::-webkit-scrollbar { display: none; }
  .article-hero { padding: 58px 0 50px; }
  .article-hero h1 { font-size: 48px; }
  .article-hero__grid { gap: 38px; }
  .hero-card { padding: 18px; border-radius: 21px; }
  .article > section { padding: 43px 24px; }
  .mobile-demo { grid-template-columns: 1fr; }
  .mobile-demo .shot { max-width: 340px; margin-inline: auto; }
  .comparison { display: block; overflow-x: auto; }
  .article-card { grid-template-columns: 1fr; padding: 25px; }
  .article-card__visual { min-height: 150px; }
  .site-footer .wrap { display: grid; }
}