:root {
  --ink: #0f172a;
  --muted: #475569;
  --soft: #f8fbff;
  --line: rgba(15, 23, 42, 0.08);
  --blue: #2563eb;
  --cyan: #06b6d4;
  --pink: #ec4899;
  --white: #ffffff;
  --shadow: 0 24px 80px rgba(15, 23, 42, 0.10);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Inter, Arial, Helvetica, sans-serif;
  background: var(--soft);
  color: var(--ink);
}

.container {
  width: min(1160px, calc(100% - 40px));
  margin: 0 auto;
}

/* NAV */

nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}

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

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--ink);
  font-weight: 900;
}

.nav-brand img {
  width: 42px;
  height: 42px;
}

.brand-name,
.nav-brand strong {
  font-size: 18px;
  font-weight: 900;
}

.nav-links {
  display: flex;
  gap: 8px;
  align-items: center;
}

.nav-links a {
  text-decoration: none;
  color: var(--muted);
  font-weight: 800;
  padding: 10px 14px;
  border-radius: 999px;
}

.nav-links a:hover,
.nav-links a.active {
  background: #eaf3ff;
  color: var(--blue);
}

/* HERO */

.hero {
  padding: 95px 0 80px;
  background:
    radial-gradient(circle at top left, rgba(37, 99, 235, 0.18), transparent 35%),
    radial-gradient(circle at bottom right, rgba(236, 72, 153, 0.12), transparent 34%),
    linear-gradient(135deg, #f8fbff 0%, #eef5ff 50%, #ffffff 100%);
}

.contents {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: 56px;
}

.badge,
.kicker {
  display: inline-flex;
  color: var(--cyan);
  font-size: 14px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 2px;
}

.hero h1 {
  font-size: clamp(42px, 6vw, 72px);
  line-height: 1.02;
  letter-spacing: -2px;
  margin: 16px 0 22px;
}

.lead {
  color: var(--muted);
  font-size: 18px;
  line-height: 1.75;
  max-width: 680px;
}

.right {
  display: grid;
  gap: 16px;
}

.card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 28px;
  box-shadow: var(--shadow);
}

.card.stat {
  padding: 22px 26px;
}

.card.stat strong {
  display: block;
  font-size: 18px;
  margin-bottom: 6px;
}

.card.stat span {
  display: block;
  color: var(--muted);
  line-height: 1.5;
  word-break: break-word;
}

.cta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 26px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 14px 22px;
  border-radius: 999px;
  border: 0;
  cursor: pointer;
  text-decoration: none;
  font-weight: 900;
  font-family: inherit;
}

.btn.primary {
  color: white;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  box-shadow: 0 14px 32px rgba(37, 99, 235, 0.25);
}

.btn.ghost {
  color: var(--blue);
  background: #eef5ff;
}

/* FORM */

.section {
  padding: 80px 0;
}

.pad {
  padding: 38px;
}

.form {
  display: grid;
  gap: 14px;
}

.form label {
  font-weight: 900;
  color: var(--ink);
}

.input,
textarea {
  width: 100%;
  padding: 16px 18px;
  border-radius: 16px;
  border: 1px solid rgba(15, 23, 42, 0.15);
  background: white;
  color: var(--ink);
  font: inherit;
  outline: none;
}

.input:focus,
textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.12);
}

textarea {
  min-height: 160px;
  resize: vertical;
}

.alert {
  padding: 14px 16px;
  border-radius: 14px;
  font-weight: 800;
}

.alert.success {
  background: #dcfce7;
  color: #166534;
}

.alert.error {
  background: #fee2e2;
  color: #991b1b;
}

.hidden {
  display: none;
}

/* INFO CARD */

.section h2 {
  font-size: clamp(32px, 4vw, 48px);
  line-height: 1.1;
  letter-spacing: -1px;
  margin: 0 0 14px;
}

.muted {
  color: var(--muted);
  line-height: 1.75;
}

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 10px; }
.mt-2 { margin-top: 18px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }

/* FOOTER */

footer {
  padding: 34px 0;
  border-top: 1px solid var(--line);
  background: #fff;
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 22px;
  align-items: center;
  flex-wrap: wrap;
}

.footer-links {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-links a {
  text-decoration: none;
  color: var(--muted);
  font-weight: 800;
}

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

/* RESPONSIVE */

@media (max-width: 900px) {
  .nav-inner,
  .footer {
    flex-direction: column;
    text-align: center;
    padding: 16px 0;
  }

  .nav-links,
  .footer-links {
    justify-content: center;
    flex-wrap: wrap;
  }

  .contents {
    grid-template-columns: 1fr;
  }

  .hero {
    text-align: center;
    padding: 70px 0 55px;
  }

  .lead {
    margin-left: auto;
    margin-right: auto;
  }

  .cta {
    justify-content: center;
  }

  .right {
    text-align: left;
  }
}

@media (max-width: 560px) {
  .container {
    width: min(100% - 26px, 1160px);
  }

  .nav-brand strong,
  .brand-name {
    font-size: 16px;
  }

  .nav-links a {
    padding: 9px 10px;
    font-size: 14px;
  }

  .hero h1 {
    font-size: 38px;
  }

  .lead {
    font-size: 16px;
  }

  .card,
  .pad {
    border-radius: 24px;
    padding: 24px;
  }

  .section {
    padding: 60px 0;
  }
}
select.input {
  appearance: none;
  cursor: pointer;
}