:root {
  --indigo: #3d3d8f;
  --indigo-deep: #2a2a66;
  --indigo-mid: #5a5aaf;
  --gold: #c9a84c;
  --gold-soft: #e0c878;
  --canvas: #f5f4fa;
  --surface: #ffffff;
  --text: #1a1a28;
  --text-muted: #6b6b80;
  --border: #e2e0ec;
  --success: #2e7d57;
  --error: #cf6679;
  --shadow: 0 24px 60px rgba(42, 42, 102, 0.12);
  --radius: 18px;
  --font-sans: "DM Sans", system-ui, sans-serif;
  --font-display: "Fraunces", Georgia, serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--text);
  background: var(--canvas);
  line-height: 1.6;
}

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

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

.container {
  width: min(1120px, calc(100% - 2rem));
  margin-inline: auto;
}

.eyebrow {
  margin: 0 0 0.75rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--indigo-mid);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(245, 244, 250, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 4rem;
  gap: 1rem;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-weight: 700;
}

.logo-mark {
  display: grid;
  place-items: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 0.75rem;
  background: linear-gradient(135deg, var(--indigo), var(--indigo-mid));
  color: white;
  font-family: var(--font-display);
}

.logo-text {
  font-family: var(--font-display);
  font-size: 1.25rem;
}

.nav {
  display: none;
  align-items: center;
  gap: 1.5rem;
  font-size: 0.95rem;
}

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

.nav a:hover,
.nav a:focus-visible {
  color: var(--indigo);
}

.nav-app {
  font-weight: 600;
  color: var(--indigo) !important;
}

.nav-cta {
  padding: 0.55rem 1rem;
  border-radius: 999px;
  background: var(--indigo);
  color: white !important;
}

.menu-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 2.5rem;
  height: 2.5rem;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  height: 2px;
  background: var(--indigo);
  border-radius: 2px;
}

.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 0 1rem 1rem;
}

.mobile-nav[hidden] {
  display: none;
}

.mobile-nav a {
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border);
  color: var(--text-muted);
}

/* Hero */
.hero {
  padding: 4.5rem 0 3rem;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  gap: 3rem;
  align-items: center;
}

.hero h1 {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 6vw, 4rem);
  line-height: 1.08;
  color: var(--indigo-deep);
}

.lead {
  margin: 0 0 1.75rem;
  max-width: 34rem;
  font-size: 1.1rem;
  color: var(--text-muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0 1.35rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

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

.btn-primary {
  background: linear-gradient(135deg, var(--indigo), var(--indigo-mid));
  color: white;
  box-shadow: 0 12px 30px rgba(61, 61, 143, 0.25);
}

.btn-ghost {
  border-color: var(--border);
  background: var(--surface);
  color: var(--indigo);
}

.hero-visual {
  position: relative;
  min-height: 320px;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(0);
}

.orb-1 {
  inset: 10% auto auto 10%;
  width: 180px;
  height: 180px;
  background: radial-gradient(circle, rgba(201, 168, 76, 0.35), transparent 70%);
}

.orb-2 {
  inset: auto 5% 5% auto;
  width: 220px;
  height: 220px;
  background: radial-gradient(circle, rgba(90, 90, 175, 0.25), transparent 70%);
}

.hero-card {
  position: relative;
  z-index: 1;
  margin: 2rem auto 0;
  width: min(100%, 320px);
  padding: 2rem;
  border-radius: calc(var(--radius) + 6px);
  background: var(--surface);
  box-shadow: var(--shadow);
  text-align: center;
  border: 1px solid var(--border);
}

.nfc-pulse {
  display: grid;
  place-items: center;
  width: 5rem;
  height: 5rem;
  margin: 0 auto 1rem;
  border-radius: 50%;
  color: var(--indigo);
  background: rgba(61, 61, 143, 0.08);
  animation: pulse 2.4s ease-in-out infinite;
}

.nfc-pulse svg {
  width: 2.5rem;
  height: 2.5rem;
}

.hero-card-title {
  margin: 0;
  font-weight: 700;
  font-size: 1.15rem;
}

.hero-card-sub {
  margin: 0.35rem 0 0;
  color: var(--text-muted);
  font-size: 0.95rem;
}

@keyframes pulse {
  0%,
  100% {
    box-shadow: 0 0 0 0 rgba(61, 61, 143, 0.15);
  }
  50% {
    box-shadow: 0 0 0 16px rgba(61, 61, 143, 0);
  }
}

/* Sections */
.section {
  padding: 4.5rem 0;
}

.section-head {
  max-width: 42rem;
  margin-bottom: 2.5rem;
}

.section-head h2 {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  line-height: 1.15;
  color: var(--indigo-deep);
}

.section-head p:last-child {
  margin: 0;
  color: var(--text-muted);
}

.how {
  background: var(--surface);
}

.steps {
  display: grid;
  gap: 1.25rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.step-card {
  padding: 1.5rem;
  border-radius: var(--radius);
  background: var(--canvas);
  border: 1px solid var(--border);
}

.step-num {
  display: inline-grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  margin-bottom: 0.75rem;
  border-radius: 50%;
  background: var(--indigo);
  color: white;
  font-size: 0.85rem;
  font-weight: 700;
}

.step-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.15rem;
}

.step-card p {
  margin: 0;
  color: var(--text-muted);
}

.product-grid {
  display: grid;
  gap: 1.25rem;
}

.product-card {
  padding: 1.75rem;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: 0 10px 30px rgba(42, 42, 102, 0.05);
}

.product-icon {
  font-size: 2rem;
  margin-bottom: 0.75rem;
}

.product-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.2rem;
}

.product-card p {
  margin: 0 0 1rem;
  color: var(--text-muted);
}

.tag {
  display: inline-block;
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  background: rgba(201, 168, 76, 0.15);
  color: #7a5f12;
  font-size: 0.8rem;
  font-weight: 600;
}

.waitlist {
  background: linear-gradient(180deg, var(--canvas), #eceaf6);
}

.waitlist-inner {
  display: grid;
  gap: 2rem;
  align-items: start;
  padding: 2rem;
  border-radius: calc(var(--radius) + 4px);
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.waitlist-copy h2 {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  color: var(--indigo-deep);
}

.waitlist-copy p:last-child {
  margin: 0;
  color: var(--text-muted);
}

.waitlist-form label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  font-size: 0.9rem;
}

.form-row {
  display: grid;
  gap: 0.75rem;
}

.waitlist-form input {
  width: 100%;
  min-height: 3rem;
  padding: 0 1rem;
  border: 1px solid var(--border);
  border-radius: 12px;
  font: inherit;
  background: var(--canvas);
}

.waitlist-form input:focus {
  outline: 2px solid rgba(61, 61, 143, 0.25);
  border-color: var(--indigo-mid);
}

.form-message {
  min-height: 1.25rem;
  margin: 0.75rem 0 0;
  font-size: 0.9rem;
}

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

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

.site-footer {
  padding: 2rem 0 2.5rem;
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  justify-content: space-between;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-inner a:hover {
  color: var(--indigo);
}

@media (min-width: 720px) {
  .nav {
    display: flex;
  }

  .menu-toggle,
  .mobile-nav {
    display: none !important;
  }

  .hero-grid,
  .waitlist-inner {
    grid-template-columns: 1.1fr 0.9fr;
  }

  .steps,
  .product-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .form-row {
    grid-template-columns: 1fr auto;
    align-items: center;
  }
}