:root {
  --green-dark: #1a3a2a;
  --green-mid: #2d6a4f;
  --green-light: #52b788;
  --green-pale: #d8f3dc;
  --cream: #f8f9f5;
  --text: #1a1a1a;
  --text-muted: #555;
  --radius: 12px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background: var(--cream);
  line-height: 1.6;
}

/* ── Navigation ── */

nav {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(26, 58, 42, 0.95);
  backdrop-filter: blur(10px);
  z-index: 100;
  padding: 0 2rem;
}

nav .nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

nav .logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: #fff;
  text-decoration: none;
  letter-spacing: -0.5px;
}

nav .logo span {
  color: var(--green-light);
}

nav .nav-links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
}

nav .nav-links a {
  color: var(--green-pale);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.2s;
}

nav .nav-links a:hover {
  color: #fff;
}

/* ── Hero ── */

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 6rem 2rem 4rem;
  background: linear-gradient(160deg, var(--green-dark) 0%, var(--green-mid) 100%);
  color: #fff;
}

.hero-content {
  max-width: 700px;
}

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 800;
  letter-spacing: -1px;
  line-height: 1.1;
  margin-bottom: 1.25rem;
}

.hero h1 span {
  color: var(--green-light);
}

.hero p {
  font-size: 1.2rem;
  color: var(--green-pale);
  max-width: 520px;
  margin: 0 auto 2rem;
}

.badge {
  display: inline-block;
  background: rgba(82, 183, 136, 0.2);
  border: 1px solid var(--green-light);
  color: var(--green-light);
  padding: 0.4rem 1.2rem;
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

/* ── Sections ── */

section {
  padding: 5rem 2rem;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
}

.section-title {
  text-align: center;
  margin-bottom: 3rem;
}

.section-title h2 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--green-dark);
  margin-bottom: 0.5rem;
}

.section-title p {
  color: var(--text-muted);
  max-width: 500px;
  margin: 0 auto;
}

/* ── Feature cards ── */

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.card {
  background: #fff;
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: 0 1px 3px rgba(0,0,0,0.06);
  transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.08);
}

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  background: var(--green-pale);
  color: var(--green-mid);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 1rem;
}

.card h3 {
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
  color: var(--green-dark);
}

.card p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* ── Stay tuned / CTA ── */

.cta {
  background: var(--green-dark);
  color: #fff;
  text-align: center;
  border-radius: var(--radius);
  padding: 4rem 2rem;
  max-width: 900px;
  margin: 0 auto 5rem;
}

.cta h2 {
  font-size: 1.75rem;
  margin-bottom: 0.75rem;
}

.cta p {
  color: var(--green-pale);
  max-width: 480px;
  margin: 0 auto;
}

.waitlist-form {
  display: flex;
  gap: 0.5rem;
  justify-content: center;
  margin-top: 1.5rem;
  max-width: 440px;
  margin-left: auto;
  margin-right: auto;
}

.waitlist-form input[type="email"] {
  flex: 1;
  padding: 0.75rem 1rem;
  border: 2px solid var(--green-light);
  border-radius: var(--radius);
  font-size: 1rem;
  background: rgba(255,255,255,0.1);
  color: #fff;
  outline: none;
}

.waitlist-form input[type="email"]::placeholder {
  color: rgba(255,255,255,0.5);
}

.waitlist-form input[type="email"]:focus {
  border-color: #fff;
  background: rgba(255,255,255,0.15);
}

.waitlist-form button {
  padding: 0.75rem 1.5rem;
  background: var(--green-light);
  color: var(--green-dark);
  border: none;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
  white-space: nowrap;
}

.waitlist-form button:hover {
  background: #6fcf97;
}

.waitlist-form button:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.waitlist-msg {
  margin-top: 1rem;
  font-size: 0.9rem;
}

.waitlist-msg.success {
  color: var(--green-light);
}

.waitlist-msg.error {
  color: #ff6b6b;
}

/* ── Footer ── */

footer {
  background: var(--green-dark);
  color: var(--green-pale);
  padding: 2rem;
  text-align: center;
  font-size: 0.85rem;
}

footer a {
  color: var(--green-light);
  text-decoration: none;
}

footer a:hover {
  text-decoration: underline;
}

footer .footer-links {
  margin-bottom: 0.75rem;
  display: flex;
  justify-content: center;
  gap: 1.5rem;
}

/* ── Legal pages ── */

.legal {
  max-width: 780px;
  margin: 0 auto;
  padding: 6rem 2rem 4rem;
}

.legal h1 {
  font-size: 2rem;
  color: var(--green-dark);
  margin-bottom: 0.25rem;
}

.legal .effective-date {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 2rem;
}

.legal h2 {
  font-size: 1.25rem;
  color: var(--green-dark);
  margin-top: 2rem;
  margin-bottom: 0.5rem;
}

.legal p,
.legal ul {
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.legal ul {
  padding-left: 1.5rem;
}

.legal li {
  margin-bottom: 0.35rem;
}

/* ── Responsive ── */

@media (max-width: 600px) {
  nav .nav-links {
    gap: 1rem;
  }

  nav .nav-links a {
    font-size: 0.8rem;
  }

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

  .waitlist-form {
    flex-direction: column;
  }
}