/* Diez - Dating for Humans */

:root {
  --bg: #0e0b14;
  --bg-elevated: #17121f;
  --card: #1c1526;
  --border: rgba(255, 255, 255, 0.08);
  --text: #f5f1fa;
  --text-muted: #a89bb8;
  --accent: #ff5c8a;
  --accent-2: #ff9a5c;
  --gradient: linear-gradient(135deg, var(--accent), var(--accent-2));
  --radius: 16px;
  --container: 1080px;
}

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

html {
  scroll-behavior: smooth;
}

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

.container {
  width: min(var(--container), 100% - 2.5rem);
  margin-inline: auto;
}

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

/* ---------- Nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(14, 11, 20, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 0.9rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.brand__mark {
  display: grid;
  place-items: center;
  width: 2.1rem;
  height: 2.1rem;
  border-radius: 8px;
  background: var(--gradient);
  color: #fff;
  font-size: 0.85rem;
  font-weight: 800;
}

.nav__links {
  display: flex;
  gap: 1.75rem;
  list-style: none;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.nav__links a {
  transition: color 0.2s ease;
}

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

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  padding: 0.7rem 1.5rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn--primary {
  background: var(--gradient);
  color: #fff;
  box-shadow: 0 8px 24px rgba(255, 92, 138, 0.35);
}

.btn--primary:hover {
  box-shadow: 0 10px 30px rgba(255, 92, 138, 0.45);
}

.btn--ghost {
  border-color: var(--border);
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
}

.btn--ghost:hover {
  background: rgba(255, 255, 255, 0.08);
}

.btn--outline {
  border-color: var(--accent);
  color: var(--accent);
  background: transparent;
}

.btn--outline:hover {
  background: rgba(255, 92, 138, 0.1);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  padding: 7rem 0 8rem;
  text-align: center;
}

.hero__glow {
  position: absolute;
  top: -30%;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 600px;
  background: radial-gradient(closest-side, rgba(255, 92, 138, 0.28), rgba(255, 154, 92, 0.12) 60%, transparent);
  pointer-events: none;
}

.hero__inner {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
}

.hero__eyebrow {
  color: var(--accent);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.8rem;
}

.hero__title {
  font-size: clamp(2.75rem, 8vw, 5rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.05;
  background: linear-gradient(180deg, #fff 40%, var(--text-muted));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero__subtitle {
  font-size: clamp(1.15rem, 3vw, 1.5rem);
  color: var(--text-muted);
  max-width: 32ch;
}

.hero__actions {
  display: flex;
  gap: 0.9rem;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 0.75rem;
}

/* ---------- Sections ---------- */
section {
  padding-block: 5rem;
}

.section__title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  text-align: center;
  margin-bottom: 0.5rem;
}

.section__subtitle {
  text-align: center;
  color: var(--text-muted);
  font-size: 1.05rem;
}

/* ---------- Features ---------- */
.features {
  border-top: 1px solid var(--border);
}

.features__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  margin-top: 3rem;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem 1.75rem;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 92, 138, 0.4);
}

.card__icon {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.card h3 {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
}

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

/* ---------- Pricing ---------- */
.pricing {
  border-top: 1px solid var(--border);
}

.pricing__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
  margin-top: 3rem;
  align-items: stretch;
}

.plan {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2.25rem 2rem;
}

.plan--highlight {
  border-color: var(--accent);
  background: linear-gradient(180deg, rgba(255, 92, 138, 0.08), var(--card) 60%);
}

.plan__badge {
  position: absolute;
  top: -0.8rem;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.3rem 0.9rem;
  border-radius: 999px;
}

.plan__name {
  font-size: 1.1rem;
  font-weight: 700;
}

.plan__price {
  font-size: 2.75rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.plan__period {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 0;
}

.plan__features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  color: var(--text-muted);
  font-size: 0.95rem;
  flex: 1;
}

.plan__features li::before {
  content: "✓";
  color: var(--accent);
  font-weight: 700;
  margin-right: 0.5rem;
}

.plan .btn {
  text-align: center;
}

/* ---------- Signup ---------- */
.signup {
  border-top: 1px solid var(--border);
}

.signup__inner {
  text-align: center;
  max-width: 640px;
}

.signup__form {
  display: flex;
  gap: 0.75rem;
  margin-top: 2.25rem;
}

.signup__form input {
  flex: 1;
  padding: 0.8rem 1.25rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text);
  font-size: 1rem;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.signup__form input::placeholder {
  color: var(--text-muted);
}

.signup__form input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(255, 92, 138, 0.2);
}

.form-message {
  margin-top: 1rem;
  min-height: 1.5em;
  font-size: 0.95rem;
  color: var(--text-muted);
}

.form-message.success {
  color: #6ee7a0;
}

.form-message.error {
  color: var(--accent);
}

/* ---------- Footer ---------- */
.footer {
  border-top: 1px solid var(--border);
  padding-block: 2rem;
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  color: var(--text-muted);
  font-size: 0.9rem;
}

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

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

/* ---------- Utilities ---------- */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* ---------- Responsive ---------- */
@media (max-width: 640px) {
  .nav__links {
    display: none;
  }

  .hero {
    padding: 5rem 0 6rem;
  }

  .signup__form {
    flex-direction: column;
  }

  .signup__form .btn {
    width: 100%;
  }

  .footer__inner {
    flex-direction: column;
    text-align: center;
  }
}