*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --black: #0C0C0E;
  --blue: #1A5CFF;
  --white: #FAFAFA;
  --muted: #888899;
  --border: #E4E4EC;
}

body {
  background: var(--white);
  color: var(--black);
  font-family: 'Manrope', sans-serif;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
}

/* ─── Nav ─────────────────────────────── */

nav {
  padding: 24px 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border);
}

.logo {
  font-family: 'Instrument Serif', serif;
  font-size: 20px;
  color: var(--black);
  text-decoration: none;
  letter-spacing: -0.3px;
}

.logo span {
  color: var(--blue);
}

.nav-tag {
  font-size: 12px;
  font-weight: 500;
  color: var(--muted);
}

/* ─── Hero ────────────────────────────── */

.hero {
  padding: 100px 40px 80px;
  max-width: 720px;
}

.hero h1 {
  font-family: 'Instrument Serif', serif;
  font-size: clamp(44px, 6vw, 72px);
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -2px;
  margin-bottom: 24px;
}

.hero h1 em {
  font-style: italic;
  color: var(--blue);
}

.hero p {
  font-size: 17px;
  line-height: 1.7;
  color: #444455;
  max-width: 500px;
  font-weight: 300;
  margin-bottom: 40px;
}

/* ─── Form ────────────────────────────── */

.form-group {
  display: flex;
  max-width: 420px;
  border: 1px solid var(--black);
  border-radius: 8px;
  overflow: hidden;
}

.form-group input {
  flex: 1;
  padding: 14px 18px;
  font-family: 'Manrope', sans-serif;
  font-size: 14px;
  border: none;
  outline: none;
  background: var(--white);
  color: var(--black);
}

.form-group input::placeholder {
  color: var(--muted);
}

.form-group button {
  padding: 14px 22px;
  background: var(--black);
  color: var(--white);
  border: none;
  font-family: 'Manrope', sans-serif;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.2s;
}

.form-group button:hover {
  background: var(--blue);
}

.form-note {
  margin-top: 10px;
  font-size: 12px;
  color: var(--muted);
}

.success {
  display: none;
  margin-top: 14px;
  font-size: 14px;
  color: var(--blue);
}

/* ─── Divider ─────────────────────────── */

hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 0 40px;
}

/* ─── Features ────────────────────────── */

.features {
  padding: 80px 40px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
  max-width: 1000px;
}

.feature h3 {
  font-family: 'Instrument Serif', serif;
  font-size: 22px;
  font-weight: 400;
  letter-spacing: -0.5px;
  margin-bottom: 10px;
}

.feature p {
  font-size: 14px;
  line-height: 1.75;
  color: #555566;
  font-weight: 300;
}

/* ─── Statement ───────────────────────── */

.statement {
  padding: 80px 40px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--black);
}

.statement p {
  font-family: 'Instrument Serif', serif;
  font-size: clamp(26px, 3.5vw, 44px);
  font-weight: 400;
  line-height: 1.25;
  letter-spacing: -1px;
  color: var(--white);
  max-width: 760px;
}

.statement p em {
  font-style: italic;
  color: #6699FF;
}

/* ─── Bottom CTA ──────────────────────── */

.bottom {
  padding: 100px 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 20px;
}

.bottom h2 {
  font-family: 'Instrument Serif', serif;
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 400;
  letter-spacing: -1.5px;
}

.bottom p {
  font-size: 15px;
  color: var(--muted);
  font-weight: 300;
  max-width: 360px;
  line-height: 1.6;
}

/* ─── Footer ──────────────────────────── */

footer {
  padding: 28px 40px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

footer p {
  font-size: 12px;
  color: var(--muted);
}

/* ─── Mobile ──────────────────────────── */

@media (max-width: 700px) {
  nav { padding: 20px 24px; }
  hr { margin: 0 24px; }
  .hero { padding: 64px 24px 60px; }
  .features { padding: 60px 24px; grid-template-columns: 1fr; gap: 36px; }
  .statement { padding: 60px 24px; }
  .bottom { padding: 72px 24px; }
  footer { padding: 24px; flex-direction: column; gap: 8px; text-align: center; }
  .form-group { max-width: 100%; }
}