:root {
  --black: #000000;
  --near-black: #0a0a0a;
  --white: #ffffff;
  --grey-900: #1a1a1a;
  --grey-700: #444444;
  --grey-500: #707070;
  --grey-300: #b3b3b3;
  --grey-100: #ececec;
  --grey-050: #f7f7f7;
  --line: #dddddd;

  --font-head: "Poppins", "Arial", sans-serif;
  --font-body: "Inter", "Helvetica Neue", Arial, sans-serif;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 28px;

  --container: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-body);
  color: var(--grey-900);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
}

h1, h2, h3, h4 {
  font-family: var(--font-head);
  font-weight: 700;
  color: var(--black);
  margin: 0 0 0.5em 0;
  letter-spacing: -0.02em;
}

p {
  line-height: 1.6;
  color: var(--grey-700);
  margin: 0 0 1em 0;
}

.wrap {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 96px 0;
}

.section-tight {
  padding: 64px 0;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--white);
  background: var(--black);
  padding: 8px 16px;
  border-radius: 999px;
}

.eyebrow.on-light {
  color: var(--black);
  background: var(--grey-100);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 15px;
  padding: 15px 28px;
  border-radius: 999px;
  border: 2px solid var(--black);
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s ease, color 0.15s ease, transform 0.1s ease;
}

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

.btn-primary {
  background: var(--black);
  color: var(--white);
}

.btn-primary:hover {
  background: var(--grey-900);
}

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

.btn-outline:hover {
  background: var(--black);
  color: var(--white);
}

.btn-block {
  width: 100%;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.brand span {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 20px;
  letter-spacing: 0.02em;
  color: var(--black);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.site-nav a {
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  color: var(--grey-700);
}

.site-nav a:hover {
  color: var(--black);
}

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

/* Hero */
.hero {
  padding: 72px 0 40px;
  overflow: hidden;
}

.hero .wrap {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items: center;
}

.hero h1 {
  font-size: 52px;
  line-height: 1.06;
  margin-top: 20px;
}

.hero .lede {
  font-size: 18px;
  max-width: 480px;
  margin-top: 18px;
}

.hero-ctas {
  display: flex;
  gap: 14px;
  margin-top: 32px;
  flex-wrap: wrap;
}

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: flex-end;
  min-height: 460px;
}

.phone {
  position: relative;
  width: 230px;
  border-radius: 32px;
  background: var(--near-black);
  padding: 12px;
  box-shadow: 0 40px 80px rgba(0, 0, 0, 0.28);
}

.phone.phone-back {
  position: absolute;
  left: 0;
  bottom: -20px;
  transform: rotate(-8deg);
  opacity: 0.9;
  z-index: 1;
}

.phone.phone-front {
  position: relative;
  right: -20px;
  transform: rotate(6deg);
  z-index: 2;
}

.phone img {
  border-radius: 22px;
  width: 100%;
  display: block;
}

/* Stats strip */
.stats {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.stats .wrap {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  padding: 40px 24px;
}

.stat b {
  display: block;
  font-family: var(--font-head);
  font-size: 30px;
  color: var(--black);
}

.stat span {
  font-size: 13px;
  color: var(--grey-500);
}

/* Section headers */
.section-head {
  max-width: 640px;
  margin: 0 auto 48px;
  text-align: center;
}

.section-head h2 {
  font-size: 36px;
}

.section-head p {
  font-size: 16px;
}

.section-head.left {
  margin: 0 0 40px;
  text-align: left;
}

/* Waitlist split sections */
.waitlist-block {
  padding: 88px 0;
}

.waitlist-block.dark {
  background: var(--black);
  color: var(--white);
}

.waitlist-block.dark h2,
.waitlist-block.dark p {
  color: var(--white);
}

.waitlist-block.dark p {
  opacity: 0.75;
}

.waitlist-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
}

.benefit-list {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.benefit-list li {
  display: flex;
  gap: 12px;
  font-size: 15px;
  color: var(--grey-700);
}

.waitlist-block.dark .benefit-list li {
  color: rgba(255, 255, 255, 0.85);
}

.benefit-list .tick {
  flex: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--black);
  color: var(--white);
  font-size: 12px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 1px;
}

.waitlist-block.dark .tick {
  background: var(--white);
  color: var(--black);
}

/* Form */
.waitlist-form {
  background: var(--white);
  color: var(--grey-900);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
}

.waitlist-form h3 {
  font-size: 20px;
  margin-bottom: 4px;
}

.waitlist-form .form-sub {
  font-size: 13px;
  color: var(--grey-500);
  margin-bottom: 22px;
}

.field {
  margin-bottom: 16px;
}

.field label {
  display: block;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--grey-700);
  margin-bottom: 6px;
}

.field input,
.field select {
  width: 100%;
  padding: 12px 14px;
  font-size: 15px;
  font-family: var(--font-body);
  border: 1.5px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--grey-050);
  color: var(--grey-900);
}

.field input:focus,
.field select:focus {
  outline: none;
  border-color: var(--black);
  background: var(--white);
}

.radio-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.radio-row label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  text-transform: none;
  letter-spacing: 0;
  color: var(--grey-700);
  border: 1.5px solid var(--line);
  border-radius: 999px;
  padding: 8px 14px;
  cursor: pointer;
  background: var(--grey-050);
}

.radio-row input {
  width: auto;
  margin: 0;
}

.form-foot {
  font-size: 11.5px;
  color: var(--grey-500);
  margin-top: 14px;
}

.form-status {
  display: none;
  margin-top: 16px;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
}

.form-status.success {
  display: block;
  background: var(--grey-100);
  color: var(--black);
}

.form-status.error {
  display: block;
  background: #fdecec;
  color: #a00000;
}

/* Founder news */
.updates-list {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.update-item {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 24px;
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
}

.update-date {
  font-size: 13px;
  font-weight: 700;
  color: var(--grey-500);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding-top: 3px;
}

.update-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: var(--grey-100);
  color: var(--black);
  border-radius: 999px;
  padding: 4px 10px;
  margin-bottom: 8px;
}

.update-item h3 {
  font-size: 18px;
  margin-bottom: 6px;
}

.update-item p {
  font-size: 14.5px;
  margin: 0;
}

/* Footer */
.site-footer {
  background: var(--black);
  color: rgba(255, 255, 255, 0.7);
  padding: 56px 0 32px;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 24px;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.footer-top .brand span {
  color: var(--white);
}

.footer-links {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.footer-links a {
  font-size: 13px;
  text-decoration: none;
  color: rgba(255, 255, 255, 0.7);
}

.footer-links a:hover {
  color: var(--white);
}

.footer-bottom {
  padding-top: 24px;
  font-size: 12.5px;
  color: rgba(255, 255, 255, 0.5);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

/* Responsive */
@media (max-width: 900px) {
  .hero .wrap {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    min-height: 0;
    margin-top: 32px;
  }

  .phone.phone-back {
    display: none;
  }

  .phone.phone-front {
    right: auto;
    transform: none;
    width: 200px;
  }

  .hero h1 {
    font-size: 38px;
  }

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

  .stats .wrap {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .site-nav a:not(.btn) {
    display: none;
  }

  .update-item {
    grid-template-columns: 1fr;
    gap: 6px;
  }
}