@font-face {
  font-family: 'Poppins';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/poppins-400.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Poppins';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('../fonts/poppins-500.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Poppins';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('../fonts/poppins-600.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Poppins';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('../fonts/poppins-700.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

:root {
  --bg: #f5f5f5;
  --surface: #ffffff;
  --text: #1d2b2a;
  --muted: #5b6b69;
  --accent: #49c5b6;
  --accent-ink: #0f2e2b;
  --blue: #00a8e8;
  --pos: #1b8f6b;
  --neg: #c2185b;
  --radius: 20px;
  --shadow: 0 10px 30px rgba(29, 43, 42, 0.08);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Poppins', system-ui, -apple-system, 'Segoe UI', sans-serif;
  line-height: 1.6;
}
a { color: inherit; }
h1, h2, h3, p { margin: 0; }
.container { width: min(1100px, 100% - 32px); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.hp { position: absolute; left: -9999px; opacity: 0; height: 0; width: 0; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 10; background: rgba(245, 245, 245, 0.9); backdrop-filter: blur(8px); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 14px 0; }
.logo { font-weight: 700; font-size: 1.6rem; color: var(--accent); text-decoration: none; letter-spacing: -0.02em; }
.nav { display: none; gap: 24px; }
.nav a { text-decoration: none; color: var(--muted); font-weight: 500; }
.nav a:hover { color: var(--text); }
.lang { display: flex; gap: 4px; background: var(--surface); border-radius: 999px; padding: 4px; box-shadow: var(--shadow); }
.lang button { border: 0; background: transparent; font: inherit; font-size: 0.8rem; font-weight: 600; padding: 4px 12px; border-radius: 999px; color: var(--muted); cursor: pointer; }
.lang button[aria-pressed="true"] { background: var(--accent); color: var(--accent-ink); }

/* Hero */
.hero { padding: 40px 0 56px; }
.hero-inner { max-width: 720px; margin-inline: auto; text-align: center; }
h1 { font-size: clamp(2rem, 6vw, 3.4rem); line-height: 1.15; letter-spacing: -0.02em; font-weight: 700; }
.lead { margin-top: 16px; font-size: 1.1rem; color: var(--muted); }

/* Signup form */
.signup { margin-top: 28px; max-width: 520px; margin-inline: auto; }
.signup-row { display: flex; flex-direction: column; gap: 12px; }
.signup input[type="email"] { width: 100%; padding: 14px 18px; font: inherit; border: 2px solid transparent; border-radius: 999px; background: var(--surface); box-shadow: var(--shadow); }
.signup input[type="email"]:focus { outline: none; border-color: var(--accent); }
.btn { padding: 14px 24px; font: inherit; font-weight: 600; border: 0; border-radius: 999px; background: var(--accent); color: var(--accent-ink); cursor: pointer; }
.btn:hover { filter: brightness(0.95); }
.btn:disabled { opacity: 0.6; cursor: wait; }
.form-note { margin-top: 10px; font-size: 0.8rem; color: var(--muted); }
.form-status { margin-top: 10px; min-height: 1.5em; font-weight: 500; }
.form-status.is-ok { color: var(--pos); }
.form-status.is-error { color: var(--neg); }

/* Cards and grids */
.card { background: var(--surface); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow); }
.card h2, .card h3 { font-size: 1.15rem; margin-bottom: 8px; }
.card p { color: var(--muted); }
.icon { display: inline-grid; place-items: center; width: 44px; height: 44px; margin-bottom: 12px; border-radius: 12px; background: rgba(0, 168, 232, 0.12); font-size: 1.3rem; }
.sides { padding: 24px 0 56px; }
.sides-grid, .features-grid { display: grid; gap: 16px; }
.section-title { font-size: clamp(1.6rem, 4vw, 2.2rem); text-align: center; margin-bottom: 32px; letter-spacing: -0.01em; }
.how, .features { padding: 56px 0; }
.steps { display: grid; gap: 24px; list-style: none; padding: 0; margin: 0; }
.steps li { text-align: center; }
.steps h3 { margin: 12px 0 4px; font-size: 1.15rem; }
.steps p { color: var(--muted); }
.step-n { display: inline-grid; place-items: center; width: 48px; height: 48px; border-radius: 50%; background: var(--accent); color: var(--accent-ink); font-weight: 700; font-size: 1.2rem; }

/* CTA */
.cta { padding: 56px 0; }
.cta-inner { text-align: center; padding: 48px 24px; background: var(--surface); border-radius: 32px; box-shadow: var(--shadow); }
.cta-inner h2 { font-size: clamp(1.6rem, 4vw, 2.2rem); }
.cta-inner .signup { max-width: 520px; margin-inline: auto; }

/* Footer */
.site-footer { padding: 32px 0; color: var(--muted); font-size: 0.9rem; }
.footer-inner { display: flex; flex-direction: column; gap: 12px; align-items: center; text-align: center; }
.footer-inner nav { display: flex; gap: 20px; flex-wrap: wrap; justify-content: center; }
.footer-inner a { text-decoration: none; }
.footer-inner a:hover { text-decoration: underline; }

/* Legal pages */
.legal { padding: 32px 0 64px; }
.legal .container { max-width: 760px; background: var(--surface); border-radius: var(--radius); padding: 32px 24px; box-shadow: var(--shadow); }
.legal h1 { font-size: 2rem; margin-bottom: 16px; }
.legal h2 { font-size: 1.3rem; margin: 28px 0 8px; }
.legal h3 { font-size: 1.05rem; margin: 20px 0 6px; }
.legal p, .legal li { color: #34423f; margin-bottom: 10px; }
.legal ul, .legal ol { padding-left: 22px; }
.legal a { color: #0b7f73; }

@media (min-width: 720px) {
  .nav { display: flex; }
  .hero { padding: 72px 0 80px; }
  .signup-row { flex-direction: row; }
  .signup-row .btn { white-space: nowrap; }
  .sides-grid { grid-template-columns: 1fr 1fr; }
  .features-grid { grid-template-columns: repeat(3, 1fr); }
  .steps { grid-template-columns: repeat(3, 1fr); }
  .footer-inner { flex-direction: row; justify-content: space-between; text-align: left; }
  .legal .container { padding: 48px; }
}

#how, #features, #access { scroll-margin-top: 80px; }