:root {
  --sapphire-deep: #003D82;
  --sapphire: #0055B8;
  --sapphire-mid: #1A6FC4;
  --sapphire-sky: #338DD6;
  --sapphire-light: #66AAEE;

  --ink: #1D1D1F;
  --stone: #86868B;
  --cloud: #F5F5F7;
  --white: #FFFFFF;

  --font-sans: "Helvetica Neue", Helvetica, "Segoe UI", Arial, sans-serif;

  --radius: 14px;
  --page-max: 720px;
  --page-wide: 960px;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html,
body {
  margin: 0;
  padding: 0;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-weight: 400;
  color: var(--ink);
  background: var(--white);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ---------- Wordmark ---------- */
.wordmark {
  display: inline-flex;
  align-items: baseline;
  text-decoration: none;
  color: var(--ink);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1;
}

.wordmark-text {
  font-size: inherit;
}

.wordmark-dot {
  color: var(--sapphire);
  font-size: 0.375em;
  margin-left: 0.06em;
  line-height: 1;
  vertical-align: baseline;
  transform: translateY(-0.05em);
  display: inline-block;
}

/* ---------- Header ---------- */
.site-header {
  padding: 28px clamp(20px, 4vw, 40px);
  max-width: var(--page-wide);
  margin: 0 auto;
  width: 100%;
}

.site-header .wordmark {
  font-size: 22px;
}

/* ---------- Hero ---------- */
.hero {
  max-width: var(--page-max);
  margin: 0 auto;
  padding: clamp(48px, 10vw, 120px) clamp(20px, 4vw, 40px) 40px;
  text-align: center;
}

.eyebrow {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--sapphire);
  margin: 0 0 20px;
}

.hero-title {
  font-size: clamp(40px, 7vw, 68px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.025em;
  color: var(--ink);
  margin: 0 0 28px;
}

.hero-lede {
  font-size: clamp(18px, 2.2vw, 21px);
  line-height: 1.55;
  color: var(--stone);
  max-width: 560px;
  margin: 0 auto 32px;
}

.hero-lede em {
  color: var(--ink);
  font-style: normal;
  font-weight: 500;
}

.brand-promise {
  font-size: clamp(18px, 2.2vw, 21px);
  font-style: italic;
  color: var(--sapphire);
  margin: 8px 0 0;
  font-weight: 500;
}

/* ---------- Constellation ---------- */
.constellation {
  display: flex;
  gap: 22px;
  justify-content: center;
  align-items: center;
  padding: 40px 20px 80px;
}

.constellation .dot {
  display: inline-block;
  border-radius: 50%;
  animation: constellation-pulse 4s var(--ease) infinite;
}

.dot-1 { width: 10px; height: 10px; background: var(--sapphire-deep); animation-delay: 0s; }
.dot-2 { width: 14px; height: 14px; background: var(--sapphire); animation-delay: 0.4s; }
.dot-3 { width: 18px; height: 18px; background: var(--sapphire-mid); animation-delay: 0.8s; }
.dot-4 { width: 14px; height: 14px; background: var(--sapphire-sky); animation-delay: 1.2s; }
.dot-5 { width: 10px; height: 10px; background: var(--sapphire-light); animation-delay: 1.6s; }

@keyframes constellation-pulse {
  0%, 100% { opacity: 0.55; transform: scale(1); }
  50%      { opacity: 1;    transform: scale(1.15); }
}

@media (prefers-reduced-motion: reduce) {
  .constellation .dot { animation: none; opacity: 0.8; }
}

/* ---------- Why tiles ---------- */
.why {
  background: var(--cloud);
  padding: clamp(64px, 10vw, 100px) clamp(20px, 4vw, 40px);
}

.section-title {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  letter-spacing: -0.02em;
  text-align: center;
  color: var(--ink);
  margin: 0 0 48px;
}

.tiles {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  max-width: var(--page-wide);
  margin: 0 auto;
}

.tile {
  background: var(--white);
  border-radius: var(--radius);
  padding: 32px 28px;
  text-align: left;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}

.tile h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--sapphire);
  margin: 0 0 10px;
  letter-spacing: -0.005em;
}

.tile p {
  font-size: 16px;
  line-height: 1.55;
  color: var(--stone);
  margin: 0;
}

/* ---------- Notify ---------- */
.notify {
  max-width: var(--page-max);
  margin: 0 auto;
  padding: clamp(64px, 10vw, 100px) clamp(20px, 4vw, 40px);
  text-align: center;
}

.notify-lede {
  font-size: 17px;
  color: var(--stone);
  max-width: 460px;
  margin: -24px auto 40px;
}

.notify-form {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 14px;
  max-width: 420px;
  margin: 0 auto;
}

.notify-form input[type="email"] {
  font: inherit;
  font-size: 17px;
  padding: 14px 18px;
  border-radius: 12px;
  border: 1px solid #d2d2d7;
  background: var(--white);
  color: var(--ink);
  outline: none;
  transition: border-color 160ms var(--ease), box-shadow 160ms var(--ease);
  width: 100%;
}

.notify-form input[type="email"]:focus {
  border-color: var(--sapphire);
  box-shadow: 0 0 0 4px rgba(0, 85, 184, 0.15);
}

.notify-form button {
  font: inherit;
  font-size: 17px;
  font-weight: 500;
  padding: 14px 24px;
  border-radius: 12px;
  border: 0;
  background: var(--sapphire);
  color: var(--white);
  cursor: pointer;
  transition: background 160ms var(--ease), transform 120ms var(--ease);
}

.notify-form button:hover:not(:disabled) {
  background: var(--sapphire-deep);
}

.notify-form button:active:not(:disabled) {
  transform: scale(0.98);
}

.notify-form button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.cf-turnstile {
  display: flex;
  justify-content: center;
  min-height: 0;
}

.notify-status {
  margin-top: 20px;
  min-height: 1.4em;
  font-size: 15px;
  color: var(--stone);
}

.notify-status.is-success { color: var(--sapphire); font-weight: 500; }
.notify-status.is-error   { color: #b30000; }

/* ---------- Footer ---------- */
.site-footer {
  padding: 40px clamp(20px, 4vw, 40px) 48px;
  border-top: 1px solid #ebebee;
  text-align: center;
}

.footer-wordmark {
  font-size: 18px;
  font-weight: 700;
  margin: 0 0 6px;
  color: var(--ink);
}

.footer-descriptor {
  font-size: 13px;
  color: var(--stone);
  margin: 0 0 12px;
  letter-spacing: 0.02em;
}

.footer-copy {
  font-size: 12px;
  color: var(--stone);
  margin: 0;
}

/* ---------- Responsive tweaks ---------- */
@media (max-width: 480px) {
  .hero-title { letter-spacing: -0.02em; }
  .tile { padding: 26px 22px; }
}