:root {
  --bg: #eefcf7;
  --bg-soft: #e5f8ef;
  --card: rgba(255, 255, 255, 0.86);
  --text: #0b3324;
  --muted: #3f8067;
  --mint: #73c7a4;
  --mint-soft: #dff8ee;
  --blue: #0a84ff;
  --blue-soft: #e7f3ff;
  --border: rgba(115, 199, 164, 0.28);
  --shadow: 0 24px 70px rgba(24, 87, 64, 0.12);
  --radius-xl: 34px;
  --radius-lg: 24px;
  --radius-md: 18px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: Inter, ui-rounded, -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 18% 10%, rgba(10, 132, 255, 0.12), transparent 28%),
    radial-gradient(circle at 82% 6%, rgba(115, 199, 164, 0.18), transparent 26%),
    linear-gradient(180deg, #f5fffb 0%, var(--bg) 42%, #f8fffc 100%);
  min-height: 100vh;
}

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

a { color: inherit; text-decoration: none; }

.container {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(18px);
  background: rgba(245, 255, 251, 0.72);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 900;
  font-size: 22px;
  letter-spacing: -0.04em;
}

.logo {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--blue), #5bd6a3);
  box-shadow: 0 14px 30px rgba(10, 132, 255, 0.22);
  display: grid;
  place-items: center;
  color: white;
  font-weight: 900;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
  color: var(--muted);
  font-weight: 700;
  font-size: 14px;
}

.nav-links a:hover { color: var(--blue); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 900;
  letter-spacing: -0.02em;
}

.btn-primary {
  background: var(--blue);
  color: white;
  box-shadow: 0 18px 44px rgba(10, 132, 255, 0.26);
}

.btn-soft {
  background: var(--card);
  color: var(--text);
  border: 1px solid var(--border);
}

.hero {
  padding: 82px 0 70px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: 58px;
}

.kicker {
  color: var(--blue);
  text-transform: uppercase;
  font-size: 14px;
  font-weight: 950;
  letter-spacing: 0.18em;
  margin-bottom: 18px;
}

h1 {
  margin: 0;
  font-size: clamp(48px, 7vw, 88px);
  line-height: 0.94;
  letter-spacing: -0.075em;
}

.lead {
  margin: 26px 0 0;
  font-size: 21px;
  line-height: 1.55;
  color: var(--muted);
  max-width: 640px;
  font-weight: 600;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 34px;
}

.hero-card {
  border-radius: var(--radius-xl);
  background: var(--card);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  padding: 28px;
  position: relative;
  overflow: hidden;
}

.hero-card::before {
  content: "";
  position: absolute;
  inset: -100px -60px auto auto;
  width: 240px;
  height: 240px;
  border-radius: 999px;
  background: rgba(10, 132, 255, 0.12);
}

.mock-note {
  position: relative;
  border-radius: 30px;
  background: linear-gradient(180deg, #f8fffd, #effbf5);
  border: 1px solid rgba(115, 199, 164, 0.22);
  padding: 26px;
}

.mock-label {
  color: var(--blue);
  font-size: 13px;
  font-weight: 950;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.mock-title {
  margin: 10px 0 18px;
  font-size: 38px;
  line-height: 1;
  letter-spacing: -0.055em;
  font-weight: 950;
}

.input-pill, .mock-box {
  background: white;
  border-radius: 22px;
  padding: 20px 22px;
  color: #78bd9f;
  font-size: 20px;
  font-weight: 850;
  box-shadow: 0 18px 50px rgba(55, 122, 92, 0.08);
}

.mock-box { height: 108px; margin-top: 14px; }

.chips {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-top: 18px;
}

.chip {
  border-radius: 22px;
  padding: 18px;
  background: white;
  color: var(--muted);
  font-weight: 900;
  border: 1px solid rgba(115, 199, 164, 0.16);
}

.chip.active { background: var(--blue); color: white; }

.section { padding: 64px 0; }

.section-title {
  max-width: 760px;
  margin: 0 auto 34px;
  text-align: center;
}

.section-title h2 {
  font-size: clamp(34px, 4.5vw, 58px);
  line-height: 1;
  margin: 0;
  letter-spacing: -0.065em;
}

.section-title p {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.6;
  font-weight: 600;
}

.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.feature-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 26px;
  box-shadow: 0 18px 50px rgba(24, 87, 64, 0.08);
}

.icon {
  width: 54px;
  height: 54px;
  border-radius: 18px;
  background: var(--blue-soft);
  color: var(--blue);
  display: grid;
  place-items: center;
  font-size: 24px;
  margin-bottom: 20px;
}

.feature-card h3 {
  margin: 0 0 10px;
  font-size: 22px;
  letter-spacing: -0.04em;
}

.feature-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
  font-weight: 600;
}

.support-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 26px;
  align-items: start;
}

.panel {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 32px;
  box-shadow: var(--shadow);
}

.panel h1, .panel h2 {
  font-size: clamp(36px, 5vw, 60px);
  line-height: 1;
  margin: 0 0 18px;
  letter-spacing: -0.065em;
}

.panel h3 {
  margin: 28px 0 10px;
  font-size: 22px;
  letter-spacing: -0.035em;
}

.panel p, .panel li {
  color: var(--muted);
  line-height: 1.72;
  font-weight: 600;
}

.panel ul { padding-left: 20px; }

.contact-card {
  display: flex;
  gap: 16px;
  align-items: center;
  padding: 18px;
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: 24px;
  margin-top: 18px;
}

.contact-card strong { display: block; font-size: 18px; }
.contact-card span { color: var(--muted); font-weight: 700; }

.footer {
  padding: 36px 0 48px;
  color: var(--muted);
  font-weight: 700;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  border-top: 1px solid var(--border);
  padding-top: 26px;
}

.footer a { color: var(--text); }

@media (max-width: 860px) {
  .hero-grid, .support-grid { grid-template-columns: 1fr; }
  .features { grid-template-columns: 1fr; }
  .nav-inner { height: auto; padding: 18px 0; align-items: flex-start; }
  .nav-links { flex-wrap: wrap; justify-content: flex-end; gap: 14px; }
  .hero { padding-top: 52px; }
}

@media (max-width: 560px) {
  .container { width: min(100% - 26px, 1120px); }
  .nav-inner { flex-direction: column; }
  .nav-links { justify-content: flex-start; }
  .hero-actions { flex-direction: column; }
  .btn { width: 100%; }
  .chips { grid-template-columns: 1fr; }
  .panel, .hero-card { padding: 20px; }
  .footer-inner { flex-direction: column; }
}
