:root {
  --ink: #172033;
  --muted: #5e687b;
  --brand: #5551a1;
  --brand-dark: #3e3a83;
  --brand-soft: #efeffb;
  --line: #dfe3eb;
  --surface: #ffffff;
  --page: #f7f8fc;
  --accent: #ffcb66;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--page); color: var(--ink); font: 16px/1.55 "Segoe UI", Inter, Arial, sans-serif; }
a { color: var(--brand); }
.site-header, main, footer { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
.site-header { min-height: 88px; display: flex; align-items: center; justify-content: space-between; }
.brand img { display: block; width: 275px; height: auto; }
.header-login { padding: 9px 16px; border: 1px solid var(--line); border-radius: 10px; background: var(--surface); font-weight: 700; text-decoration: none; }
.hero { min-height: 600px; display: grid; grid-template-columns: .92fr 1.08fr; gap: 64px; align-items: center; padding: 64px 0 80px; }
.eyebrow { margin: 0 0 12px; color: var(--brand); font-size: 13px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
h1 { max-width: 650px; margin: 0; font-size: clamp(42px, 5.2vw, 72px); line-height: 1.02; letter-spacing: -.045em; }
.hero-lead { max-width: 610px; margin: 24px 0 0; color: var(--muted); font-size: 20px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.button { min-height: 48px; display: inline-flex; align-items: center; justify-content: center; padding: 12px 20px; border: 0; border-radius: 10px; font: inherit; font-weight: 800; text-decoration: none; cursor: pointer; }
.button-primary { background: var(--brand); color: #fff; box-shadow: 0 8px 20px rgba(85,81,161,.22); }
.button-primary:hover { background: var(--brand-dark); }
.button-secondary { background: var(--surface); color: var(--ink); border: 1px solid var(--line); }
.reassurance { margin: 14px 0 0; color: var(--muted); font-size: 14px; }
.product-preview { overflow: hidden; border: 1px solid #d8dcea; border-radius: 18px; background: #fff; box-shadow: 0 24px 70px rgba(41,48,78,.16); transform: rotate(1deg); }
.product-preview img { display: block; width: 100%; height: auto; }
.preview-toolbar { height: 48px; display: flex; align-items: center; gap: 7px; padding: 0 14px; border-bottom: 1px solid var(--line); background: #f3f4f8; }
.preview-toolbar > span { width: 10px; height: 10px; border-radius: 50%; background: #c9ced9; }
.preview-toolbar > span:first-child { background: #ff8d88; }
.preview-toolbar > span:nth-child(2) { background: var(--accent); }
.preview-search { width: 58%; margin-left: auto; padding: 5px 12px; border: 1px solid #dde1e9; border-radius: 6px; background: #fff; color: #9ba2b0; font-size: 11px; }
.value-strip { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--line); border-radius: 16px; background: var(--surface); }
.value-strip div { padding: 28px 30px; }
.value-strip div + div { border-left: 1px solid var(--line); }
.value-strip strong, .value-strip span { display: block; }
.value-strip span { margin-top: 5px; color: var(--muted); font-size: 14px; }
.how-it-works { padding: 112px 0; text-align: center; }
h2 { margin: 0; font-size: clamp(32px, 4vw, 48px); line-height: 1.1; letter-spacing: -.035em; }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 48px; text-align: left; }
.steps article { padding: 28px; border: 1px solid var(--line); border-radius: 14px; background: var(--surface); }
.steps article > span { width: 34px; height: 34px; display: grid; place-items: center; border-radius: 9px; background: var(--brand-soft); color: var(--brand); font-weight: 800; }
.steps h3 { margin: 24px 0 8px; font-size: 20px; }
.steps p { margin: 0; color: var(--muted); }
.login-section { display: grid; grid-template-columns: 1fr 440px; gap: 80px; align-items: center; margin-bottom: 100px; padding: 64px; border-radius: 22px; background: var(--ink); color: #fff; }
.login-intro .eyebrow { color: #bcb9ff; }
.login-intro p:last-child { color: #c3c9d5; }
.login-card { padding: 28px; border-radius: 14px; background: #fff; color: var(--ink); box-shadow: 0 16px 50px rgba(0,0,0,.2); }
.login-card > label { display: block; margin: 0 0 6px; font-size: 14px; font-weight: 700; }
.login-card input[type=text], .login-card input[type=password] { width: 100%; min-height: 46px; margin-bottom: 17px; padding: 10px 12px; border: 1px solid #cbd1dc; border-radius: 8px; font: inherit; }
.login-card input:focus { outline: 3px solid rgba(85,81,161,.17); border-color: var(--brand); }
.login-options { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin: 0 0 20px; font-size: 14px; }
.form-error { display: block; margin: -7px 0 14px; color: #b3261e; font-size: 14px; }
.button-full { width: 100%; }
.signup-link { margin: 18px 0 0; color: var(--muted); font-size: 14px; text-align: center; }
footer { padding: 8px 0 48px; color: var(--muted); font-size: 13px; }
.language-links, .footer-links { display: flex; flex-wrap: wrap; gap: 10px 18px; justify-content: center; }
.language-links { margin-bottom: 20px; }
.footer-links a, .language-links a { color: var(--muted); }

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; gap: 44px; padding-top: 42px; }
  .product-preview { transform: none; }
  .login-section { grid-template-columns: 1fr; gap: 36px; padding: 44px; }
  .value-strip { grid-template-columns: repeat(2, 1fr); }
  .value-strip div:nth-child(3) { border-left: 0; border-top: 1px solid var(--line); }
  .value-strip div:nth-child(4) { border-top: 1px solid var(--line); }
}

@media (max-width: 640px) {
  .site-header, main, footer { width: min(100% - 28px, 1180px); }
  .site-header { min-height: 72px; }
  .brand img { width: 190px; }
  .hero { min-height: 0; padding: 42px 0 56px; }
  h1 { font-size: 44px; }
  .hero-lead { font-size: 18px; }
  .hero-actions .button { width: 100%; }
  .value-strip, .steps { grid-template-columns: 1fr; }
  .value-strip div + div { border-left: 0; border-top: 1px solid var(--line); }
  .how-it-works { padding: 80px 0; }
  .login-section { margin-bottom: 60px; padding: 30px 18px; border-radius: 16px; }
  .login-card { padding: 22px 18px; }
  .login-options { align-items: flex-start; flex-direction: column; }
}