/* ---------- Reset & base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--ink);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, p { margin: 0; }
button { font: inherit; cursor: pointer; }
input { font: inherit; }

:root {
  --indigo: #4F46E5;
  --indigo-dark: #4338CA;
  --indigo-50: #EEF2FF;
  --orange: #FB923C;
  --ink: #111827;
  --gray-700: #374151;
  --gray-600: #6B7280;
  --gray-300: #D1D5DB;
  --gray-200: #E5E7EB;
  --gray-100: #F3F4F6;
  --gray-50: #F9FAFB;
  --white: #FFFFFF;
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 10px;
  --shadow-soft: 0 20px 60px -20px rgba(17, 24, 39, 0.25);
  --wrap: 1160px;
}

.wrap {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 24px;
}

.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;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--indigo);
  color: #fff;
  padding: 10px 16px;
  border-radius: 0 0 8px 0;
  z-index: 1000;
}
.skip-link:focus { left: 0; }

.eyebrow {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--indigo);
  margin: 0 0 12px;
}
.eyebrow--light { color: rgba(255,255,255,0.75); }

h1 {
  font-size: clamp(40px, 6vw, 64px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.01em;
}

h3 { font-size: 18px; font-weight: 700; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: none;
  border-radius: 999px;
  padding: 15px 26px;
  font-weight: 700;
  font-size: 15px;
  white-space: nowrap;
  transition: transform 0.15s ease, box-shadow 0.15s ease, opacity 0.15s ease, background 0.15s ease;
}
.btn:active { transform: scale(0.97); }

.btn--primary {
  background: var(--indigo);
  color: #fff;
  box-shadow: 0 10px 24px -8px rgba(79, 70, 229, 0.55);
}
.btn--primary:hover { background: var(--indigo-dark); }

.btn--light {
  background: #fff;
  color: var(--indigo);
}
.btn--light:hover { background: var(--gray-50); }

.btn--sm { padding: 10px 20px; font-size: 14px; }

.btn__spinner {
  display: none;
  width: 15px; height: 15px;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.4);
  border-top-color: #fff;
  animation: spin 0.7s linear infinite;
}
.btn--light .btn__spinner {
  border-color: rgba(79,70,229,0.25);
  border-top-color: var(--indigo);
}
.btn.is-loading .btn__spinner { display: inline-block; }
.btn.is-loading .btn__label { opacity: 0.6; }
.btn.is-loading { pointer-events: none; }

@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- Nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.85);
  backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--gray-100);
}
.nav__inner {
  display: flex;
  align-items: center;
  gap: 24px;
  padding-top: 14px;
  padding-bottom: 14px;
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand__word { font-weight: 800; font-size: 17px; letter-spacing: -0.01em; }
.nav__links {
  display: flex;
  gap: 28px;
  margin-left: 12px;
  font-weight: 600;
  font-size: 14.5px;
  color: var(--gray-700);
}
.nav__links a:hover { color: var(--indigo); }
.nav__cta { margin-left: auto; }

.nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px; height: 36px;
  background: none; border: none;
  margin-left: 8px;
}
.nav__toggle span {
  display: block;
  width: 20px; height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.mobile-menu {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: 8px 24px 20px;
  border-top: 1px solid var(--gray-100);
}
.mobile-menu a {
  padding: 12px 4px;
  font-weight: 600;
  color: var(--gray-700);
  border-bottom: 1px solid var(--gray-100);
}
.mobile-menu .btn { margin-top: 12px; }

.nav.is-open .mobile-menu { display: flex; }
.nav.is-open .nav__toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav.is-open .nav__toggle span:nth-child(2) { opacity: 0; }
.nav.is-open .nav__toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 860px) {
  .nav__links, .nav__cta { display: none; }
  .nav__toggle { display: flex; }
}

/* ---------- Hero ---------- */
.hero {
  padding: 72px 0 40px;
  overflow: hidden;
}
.hero__inner {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: 48px;
}
.hero__sub {
  margin-top: 20px;
  font-size: 18px;
  line-height: 1.6;
  color: var(--gray-600);
  max-width: 520px;
}
.hero__note {
  margin-top: 10px;
  font-size: 13px;
  color: var(--gray-600);
}
.hero__art {
  position: relative;
  display: flex;
  justify-content: center;
}
.hero__blob {
  position: absolute;
  inset: 0;
  margin: auto;
  width: 420px; height: 420px;
  background: radial-gradient(circle at 30% 30%, rgba(79,70,229,0.18), transparent 60%),
              radial-gradient(circle at 70% 70%, rgba(251,146,60,0.18), transparent 60%);
  filter: blur(10px);
  z-index: -1;
}

/* ---------- Waitlist form ---------- */
.waitlist-form {
  display: flex;
  gap: 10px;
  margin-top: 28px;
  max-width: 440px;
}
.waitlist-form__input {
  flex: 1;
  min-width: 0;
  border: 1.5px solid var(--gray-200);
  border-radius: 999px;
  padding: 14px 20px;
  font-size: 15px;
  color: var(--ink);
  background: #fff;
}
.waitlist-form__input:focus {
  outline: none;
  border-color: var(--indigo);
  box-shadow: 0 0 0 4px var(--indigo-50);
}
.waitlist-form__status {
  min-height: 20px;
  margin-top: 10px;
  font-size: 14px;
  font-weight: 600;
}
.waitlist-form__status[data-state="success"] { color: #059669; }
.waitlist-form__status[data-state="error"] { color: #DC2626; }

.waitlist-form--cta { margin: 28px auto 0; }
.waitlist-form--cta .waitlist-form__input { background: rgba(255,255,255,0.95); border-color: transparent; }
.cta .waitlist-form__status[data-state="success"] { color: #A7F3D0; }
.cta .waitlist-form__status[data-state="error"] { color: #FECACA; }

@media (max-width: 480px) {
  .waitlist-form { flex-direction: column; }
}

/* ---------- Phone mockup ---------- */
.phone {
  position: relative;
  width: 290px;
  background: #0B1020;
  border-radius: 46px;
  padding: 14px;
  box-shadow: var(--shadow-soft);
}
.phone--md { width: 260px; }
.phone__notch {
  position: absolute;
  top: 14px; left: 50%;
  transform: translateX(-50%);
  width: 90px; height: 22px;
  background: #0B1020;
  border-bottom-left-radius: 14px;
  border-bottom-right-radius: 14px;
  z-index: 2;
}
.phone__screen {
  position: relative;
  background: #fff;
  border-radius: 32px;
  overflow: hidden;
  height: 560px;
}
.phone--md .phone__screen { height: 500px; }

.mock-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 34px 16px 12px;
  font-size: 11px;
  font-weight: 700;
  color: var(--indigo);
  border-bottom: 1px solid var(--gray-100);
}
.mock-topbar__title { color: var(--ink); font-size: 12px; }

.mock-rail { padding: 6px 10px 40px; }

.mock-yearhead {
  display: flex;
  justify-content: center;
  padding: 12px 0 4px;
}
.mock-yearhead span {
  background: var(--gray-100);
  color: var(--gray-600);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 999px;
}

.mock-row {
  position: relative;
  display: flex;
  gap: 8px;
  padding: 0 2px 12px;
}
.mock-rail-line {
  position: absolute;
  top: 0; bottom: 0; left: 12px;
  width: 2px;
  background: var(--gray-200);
}
.mock-dot {
  position: relative;
  z-index: 1;
  width: 10px; height: 10px;
  margin-top: 4px;
  border-radius: 50%;
  background: var(--indigo);
  flex-shrink: 0;
  margin-left: 8px;
}
.mock-dot--birth { width: 13px; height: 13px; background: var(--orange); margin-left: 6.5px; }

.mock-card {
  flex: 1;
  border: 1px solid var(--gray-200);
  border-radius: 12px;
  padding: 6px;
}
.mock-thumb {
  width: 100%;
  aspect-ratio: 1.9;
  border-radius: 9px;
}
.mock-thumb--a { background: linear-gradient(135deg, #FDE68A, #FB923C); }
.mock-thumb--b { background: linear-gradient(135deg, #A7F3D0, #34D399); }
.mock-thumb--c { background: linear-gradient(135deg, #BFDBFE, #60A5FA); }
.mock-card__title { font-size: 11px; font-weight: 700; margin-top: 6px; }
.mock-card__date { font-size: 9.5px; color: var(--gray-600); margin-top: 2px; }

.mock-fab {
  position: absolute;
  right: 16px; bottom: 20px;
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--indigo);
  color: #fff;
  font-size: 20px;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 8px 18px -6px rgba(79,70,229,0.6);
}

.mock-detail__media {
  aspect-ratio: 1.1;
  background: linear-gradient(135deg, #C7D2FE, #818CF8);
}
.mock-detail__body { padding: 16px; }
.mock-detail__title { font-size: 15px; font-weight: 800; }
.mock-detail__date { font-size: 11px; color: var(--gray-600); margin-top: 4px; }
.mock-detail__caption { font-size: 12.5px; color: var(--gray-700); line-height: 1.6; margin-top: 12px; }

.mock-invite { padding: 30px 18px 18px; }
.mock-invite__title { font-size: 14px; font-weight: 800; text-align: center; margin-bottom: 18px; }
.mock-invite__label { display: block; font-size: 10.5px; font-weight: 700; color: var(--gray-600); margin: 14px 0 6px; }
.mock-invite__input {
  border: 1px solid var(--gray-200);
  border-radius: 9px;
  padding: 10px 12px;
  font-size: 12px;
  color: var(--gray-700);
}
.mock-invite__roles { display: flex; gap: 8px; }
.mock-invite__role {
  flex: 1;
  border: 1px solid var(--gray-200);
  border-radius: 9px;
  padding: 9px;
}
.mock-invite__role p { font-size: 11.5px; font-weight: 800; margin: 0 0 3px; }
.mock-invite__role span { font-size: 9px; color: var(--gray-600); }
.mock-invite__role--active { border-color: var(--indigo); background: var(--indigo-50); }
.mock-invite__role--active p { color: var(--indigo); }
.mock-invite__btn {
  margin-top: 18px;
  background: var(--indigo);
  color: #fff;
  text-align: center;
  font-size: 12.5px;
  font-weight: 700;
  padding: 11px;
  border-radius: 9px;
}

/* ---------- Section head ---------- */
.section-head { max-width: 620px; margin: 0 0 48px; }

section { padding: 96px 0; }

/* ---------- Features ---------- */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.feature-card {
  padding: 28px;
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-md);
  transition: box-shadow 0.2s ease, transform 0.2s ease, border-color 0.2s ease;
}
.feature-card:hover {
  box-shadow: 0 20px 40px -24px rgba(17,24,39,0.25);
  border-color: var(--gray-200);
  transform: translateY(-2px);
}
.feature-card__icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  background: var(--icon-bg);
  color: var(--icon-fg);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
}
.feature-card h3 { margin-bottom: 8px; }
.feature-card p { font-size: 14.5px; line-height: 1.6; color: var(--gray-600); }

@media (max-width: 900px) {
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 620px) {
  .feature-grid { grid-template-columns: 1fr; }
}

/* ---------- How it works ---------- */
.how { background: var(--gray-50); }
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  counter-reset: step;
}
.steps__item {
  position: relative;
  padding-top: 20px;
}
.steps__item::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--gray-200);
  border-radius: 3px;
}
.steps__item::after {
  content: "";
  position: absolute;
  top: -3.5px; left: 0;
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--indigo);
}
.steps__num {
  display: block;
  font-size: 13px;
  font-weight: 800;
  color: var(--indigo);
  margin-bottom: 10px;
}
.steps__item h3 { margin-bottom: 8px; }
.steps__item p { font-size: 14.5px; line-height: 1.6; color: var(--gray-600); }

@media (max-width: 900px) {
  .steps { grid-template-columns: repeat(2, 1fr); row-gap: 40px; }
}
@media (max-width: 560px) {
  .steps { grid-template-columns: 1fr; }
}

/* ---------- Showcase ---------- */
.showcase__row {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  align-items: center;
  gap: 56px;
  padding: 40px 24px;
}
.showcase__row--reverse { grid-template-columns: 1.1fr 0.9fr; }
.showcase__row--reverse .showcase__art { order: 2; }
.showcase__art { display: flex; justify-content: center; }
.showcase__sub { margin-top: 16px; font-size: 16px; line-height: 1.65; color: var(--gray-600); max-width: 440px; }

@media (max-width: 860px) {
  .showcase__row, .showcase__row--reverse {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .showcase__row--reverse .showcase__art { order: 0; }
  .showcase__sub { margin-left: auto; margin-right: auto; }
}

/* ---------- Privacy ---------- */
.privacy {
  background: linear-gradient(160deg, #4338CA, #4F46E5 55%, #6366F1);
  color: #fff;
}
.privacy__inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: center;
}
.privacy h2 { color: #fff; }
.privacy__sub { margin-top: 16px; font-size: 16px; line-height: 1.65; color: rgba(255,255,255,0.82); max-width: 460px; }
.privacy__list { display: flex; flex-direction: column; gap: 16px; }
.privacy__list li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 15px;
  font-weight: 600;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: 14px;
  padding: 14px 18px;
}
.privacy__check {
  display: inline-flex;
  align-items: center; justify-content: center;
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--orange);
  color: #1F2937;
  font-size: 12px;
  font-weight: 800;
  flex-shrink: 0;
}

@media (max-width: 860px) {
  .privacy__inner { grid-template-columns: 1fr; text-align: center; }
  .privacy__sub { margin-left: auto; margin-right: auto; }
  .privacy__list li { justify-content: center; text-align: left; }
}

/* ---------- CTA ---------- */
.cta {
  background: var(--ink);
  color: #fff;
  text-align: center;
}
.cta h2 { color: #fff; max-width: 620px; margin: 0 auto; }
.cta p { color: rgba(255,255,255,0.68); max-width: 480px; margin: 16px auto 0; font-size: 16px; line-height: 1.6; }
.cta__inner { display: flex; flex-direction: column; align-items: center; }

/* ---------- Footer ---------- */
.footer { border-top: 1px solid var(--gray-100); padding: 40px 0; }
.footer__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.brand--footer .brand__word { font-size: 15px; }
.footer__links { display: flex; gap: 22px; font-size: 14px; font-weight: 600; color: var(--gray-600); flex-wrap: wrap; }
.footer__links a:hover { color: var(--indigo); }
.footer__copy { font-size: 13px; color: var(--gray-600); width: 100%; text-align: center; margin-top: 8px; }

@media (min-width: 700px) {
  .footer__copy { width: auto; margin-top: 0; }
}

/* ---------- Responsive hero ---------- */
@media (max-width: 980px) {
  .hero__inner { grid-template-columns: 1fr; }
  .hero__copy { text-align: center; }
  .hero__sub, .waitlist-form, .hero__note { margin-left: auto; margin-right: auto; }
  .waitlist-form { justify-content: center; }
  .hero__art { margin-top: 20px; }
}
@media (max-width: 400px) {
  .phone--lg { width: 250px; }
  .phone__screen { height: 480px; }
}

section { padding-top: 80px; padding-bottom: 80px; }
@media (max-width: 700px) {
  section { padding-top: 60px; padding-bottom: 60px; }
}

/* ---------- Reveal animation ---------- */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.is-visible { opacity: 1; transform: none; }
.reveal--delay-1 { transition-delay: 0.1s; }
.reveal--delay-2 { transition-delay: 0.2s; }
.reveal--delay-3 { transition-delay: 0.3s; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
}