:root {
  --color-black: #000000;
  --color-white: #ffffff;
  --color-gray: #707070;
  --color-neon-green: #DDFF00;

  --color-background: var(--color-white);
  --color-surface: #f7f7f4;
  --color-text: var(--color-black);
  --color-muted: var(--color-gray);
  --color-accent: var(--color-neon-green);
  --shadow-soft: 0 24px 70px rgba(0, 0, 0, 0.12);
  --radius-lg: 32px;
  --radius-md: 20px;
  --max-width: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--color-text);
  background:
    radial-gradient(circle at top right, rgba(221, 255, 0, 0.18), transparent 36rem),
    var(--color-background);
}

a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }

.site-header {
  width: min(var(--max-width), calc(100% - 40px));
  margin: 24px auto 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 900;
  letter-spacing: -0.05em;
  font-size: 1.25rem;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 999px;
  background: var(--color-black);
  color: var(--color-accent);
  font-size: 0.95rem;
  letter-spacing: -0.08em;
}

.nav {
  display: flex;
  align-items: center;
  gap: 22px;
  color: var(--color-muted);
  font-weight: 700;
  font-size: 0.92rem;
}

.nav a:hover { color: var(--color-black); }
.nav-cta {
  color: var(--color-black) !important;
  border: 2px solid var(--color-black);
  border-radius: 999px;
  padding: 10px 16px;
}

.section-shell {
  width: min(var(--max-width), calc(100% - 40px));
  margin: 0 auto;
}

.hero {
  min-height: 760px;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  align-items: center;
  gap: 56px;
  padding: 96px 0 72px;
}

.eyebrow {
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.78rem;
  font-weight: 900;
  margin: 0 0 18px;
}

h1, h2, h3, p { margin-top: 0; }
h1 {
  font-size: clamp(3.5rem, 8vw, 6.8rem);
  line-height: 0.88;
  letter-spacing: -0.085em;
  margin-bottom: 28px;
}

h2 {
  font-size: clamp(2.25rem, 4vw, 4.6rem);
  line-height: 0.92;
  letter-spacing: -0.075em;
  margin-bottom: 20px;
}

h3 {
  font-size: 1.35rem;
  line-height: 1.05;
  letter-spacing: -0.045em;
  margin-bottom: 10px;
}

.hero-subtitle,
.section-heading p,
.mvp-section p,
.cta-section p,
.trust-section p {
  color: var(--color-muted);
  font-size: 1.15rem;
  line-height: 1.65;
  max-width: 650px;
}

.waitlist-form {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  padding: 8px;
  background: var(--color-white);
  border: 2px solid var(--color-black);
  border-radius: 28px;
  box-shadow: var(--shadow-soft);
  max-width: 640px;
  margin: 34px 0 12px;
}

.waitlist-form input,
.waitlist-form textarea {
  border: 0;
  outline: 0;
  padding: 16px 18px;
  min-width: 0;
  background: transparent;
}

.waitlist-form input {
  width: 100%;
}

.waitlist-form textarea {
  width: 100%;
  resize: vertical;
  line-height: 1.45;
  border: 1px solid rgba(0,0,0,0.12);
  border-radius: 18px;
  background: rgba(0,0,0,0.03);
}

.waitlist-form button {
  border: 0;
  border-radius: 999px;
  padding: 16px 22px;
  background: var(--color-accent);
  color: var(--color-black);
  font-weight: 900;
  cursor: pointer;
  transition: transform 160ms ease, filter 160ms ease;
  align-self: start;
}

.waitlist-form button:hover { transform: translateY(-1px); filter: brightness(0.98); }
.question-field {
  grid-column: 1 / -1;
  display: grid;
  gap: 8px;
  padding: 4px 10px 8px;
}

.question-field label {
  color: var(--color-muted);
  font-size: 0.9rem;
  font-weight: 800;
  line-height: 1.35;
}

.form-message { min-height: 24px; font-weight: 800; color: var(--color-muted); }
.privacy-note { color: var(--color-muted); font-size: 0.92rem; }

.hero-card {
  position: relative;
  display: grid;
  place-items: center;
}

.hero-card::before, .hero-card::after {
  content: "";
  position: absolute;
  border-radius: 999px;
  filter: blur(14px);
  z-index: 0;
}
.hero-card::before {
  width: 110px;
  height: 420px;
  left: 46px;
  background: var(--color-black);
  transform: rotate(8deg);
}
.hero-card::after {
  width: 150px;
  height: 430px;
  right: 28px;
  background: var(--color-accent);
  transform: rotate(-3deg);
}

.phone-frame {
  position: relative;
  z-index: 1;
  width: min(100%, 410px);
  padding: 18px;
  border: 3px solid var(--color-black);
  border-radius: 42px;
  background: rgba(255,255,255,0.84);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-soft);
}
.phone-header {
  display: flex;
  gap: 7px;
  margin: 10px 0 18px 10px;
}
.phone-header span { width: 10px; height: 10px; border-radius: 999px; background: var(--color-gray); }
.stat-card {
  background: var(--color-white);
  border: 2px solid rgba(0, 0, 0, 0.08);
  border-radius: 24px;
  padding: 18px;
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.08);
}
.stat-card p { color: var(--color-muted); margin-bottom: 8px; font-weight: 800; }
.stat-card strong { display: block; font-size: 1.4rem; letter-spacing: -0.05em; }
.stat-card span { display: block; color: var(--color-muted); margin-top: 6px; }
.primary-stat { background: var(--color-black); color: var(--color-white); }
.primary-stat p, .primary-stat span { color: rgba(255,255,255,0.72); }
.primary-stat strong { color: var(--color-accent); font-size: 2rem; }
.mini-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 12px; }
.progress-strip { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-top: 14px; }
.progress-strip span { height: 12px; border-radius: 999px; background: var(--color-accent); }
.progress-strip span:nth-child(2) { background: var(--color-gray); }
.progress-strip span:nth-child(3) { background: var(--color-black); }

.problem-section, .steps-section, .trust-section, .cta-section { padding: 82px 0; }
.section-heading { max-width: 760px; margin-bottom: 38px; }
.section-heading.narrow { max-width: 700px; text-align: center; margin-inline: auto; }
.cards, .steps { display: grid; gap: 18px; }
.three-up { grid-template-columns: repeat(3, 1fr); }
.info-card, .step {
  border: 2px solid rgba(0,0,0,0.08);
  border-radius: var(--radius-md);
  padding: 28px;
  background: var(--color-white);
  box-shadow: 0 16px 46px rgba(0,0,0,0.06);
}
.info-card p, .step p { color: var(--color-muted); line-height: 1.55; margin-bottom: 0; }
.steps { grid-template-columns: repeat(4, 1fr); }
.step span {
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 999px;
  background: var(--color-accent);
  font-weight: 900;
  margin-bottom: 22px;
}

.mvp-section {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 48px;
  align-items: center;
  padding: 82px 56px;
  border-radius: var(--radius-lg);
  background: var(--color-black);
  color: var(--color-white);
}
.mvp-section .eyebrow, .mvp-section p { color: rgba(255,255,255,0.68); }
.mvp-list { display: grid; gap: 12px; }
.mvp-list div {
  display: flex;
  align-items: center;
  gap: 14px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 18px;
  padding: 18px;
  font-weight: 800;
}
.mvp-list span { width: 12px; height: 12px; flex: 0 0 12px; border-radius: 999px; background: var(--color-accent); }

.trust-section {
  border-bottom: 2px solid rgba(0,0,0,0.08);
}

.cta-section {
  text-align: center;
}
.cta-section > div { max-width: 720px; margin: 0 auto; }

.cta-section .form-message {
  text-align: center;
  max-width: 640px;
  margin: 16px auto 0;
}

.cta-form { margin-inline: auto; }

.site-footer {
  width: min(var(--max-width), calc(100% - 40px));
  margin: 0 auto;
  padding: 34px 0 48px;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  color: var(--color-muted);
  font-weight: 700;
}

.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;
}

@media (max-width: 900px) {
  .nav { display: none; }
  .hero, .mvp-section { grid-template-columns: 1fr; }
  .hero { min-height: auto; padding-top: 72px; }
  .three-up, .steps { grid-template-columns: 1fr 1fr; }
  .mvp-section { padding: 52px 28px; }
}

@media (max-width: 620px) {
  .section-shell, .site-header, .site-footer { width: min(100% - 28px, var(--max-width)); }
  .waitlist-form { grid-template-columns: 1fr; border-radius: 26px; }
  .waitlist-form button { width: 100%; }
  .three-up, .steps, .mini-grid { grid-template-columns: 1fr; }
  .hero-card::before, .hero-card::after { opacity: 0.55; }
  .site-footer { flex-direction: column; }
}