*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  /* surfaces */
  --bg:            #0F0F10;
  --bg-card:       #1C1C1E;
  --card-green:    #181C19;
  --border:        #2A2A2C;
  --border-nav:    #1F1D1B;

  /* text */
  --text-1:        #FAFAF9;
  --text-2:        #A8A29E;
  --text-3:        #78716C;
  --text-card:     #D6D3D1;

  /* roles */
  --action-start:  #E07830;
  --action-end:    #D05A1A;
  --action-soft:   #E8915A;
  --ai:            #7C3AED;
  --ai-2:          #9333EA;
  --ai-text:       #A78BDA;
  --growth:        #34D399;

  --radius:        18px;
  --radius-input:  12px;

  /* height of the sticky nav — anchor targets are offset by this */
  --nav-h:         72px;
}

html { scroll-behavior: smooth; }

/*
 * The nav is sticky and overlays the top of the viewport, so an anchor
 * target scrolled flush to y=0 lands underneath it. Offset scroll targets
 * by the nav height plus some breathing room.
 */
#early-access {
  scroll-margin-top: calc(var(--nav-h) + 24px);
}

body {
  font-family: 'DM Sans', -apple-system, system-ui, sans-serif;
  background-color: var(--bg);
  color: var(--text-1);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.feature-symbol { visibility: visible; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

::selection { background: rgba(224, 120, 48, 0.3); }

.container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 28px;
}

.container-narrow {
  max-width: 680px;
}

.container-science {
  max-width: 780px;
  text-align: center;
}

/* Nav */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(15, 15, 16, 0.72);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-nav);
}

.nav-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 15px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 11px;
}

.nav-logo-icon {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  display: block;
  object-fit: cover;
}

.footer-logo-icon {
  width: 30px;
  height: 30px;
}

.nav-logo-text {
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text-1);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: linear-gradient(150deg, var(--action-start), var(--action-end));
  color: white;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-input);
  text-decoration: none;
  font-family: inherit;
  cursor: pointer;
  transition: opacity 0.2s;
}

.btn:hover { opacity: 0.9; }

.btn-small {
  font-size: 14px;
  padding: 9px 18px;
  border-radius: 11px;
  box-shadow: 0 4px 14px rgba(208, 90, 26, 0.28);
}

.btn-large {
  font-size: 15px;
  padding: 15px 26px;
  box-shadow: 0 6px 20px rgba(208, 90, 26, 0.3);
}

/* Hero */
.hero {
  position: relative;
  max-width: 920px;
  margin: 0 auto;
  padding: 104px 28px 72px;
  text-align: center;
}

.hero-glow {
  position: absolute;
  top: 40px;
  left: 50%;
  transform: translateX(-50%);
  width: 560px;
  height: 340px;
  background: radial-gradient(ellipse at center, rgba(224, 120, 48, 0.16), transparent 70%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(168, 162, 158, 0.08);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 7px 15px 7px 12px;
  margin-bottom: 34px;
}

.badge-icon {
  width: 15px;
  height: 15px;
  object-fit: contain;
}

.badge span {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--text-2);
}

.hero-title {
  font-family: 'Instrument Serif', Georgia, serif;
  font-weight: 400;
  font-size: clamp(40px, 6.4vw, 72px);
  line-height: 1.04;
  letter-spacing: -0.01em;
  max-width: 15ch;
  margin: 0 auto 26px;
  color: var(--text-1);
}

.hero-title em {
  font-style: italic;
  color: var(--action-soft);
}

.hero-subtitle {
  font-size: 19px;
  line-height: 1.62;
  color: var(--text-2);
  max-width: 600px;
  margin: 0 auto 18px;
  text-wrap: pretty;
}

.hero-disclaimer {
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-3);
  max-width: 520px;
  margin: 0 auto 40px;
}

.hero-cta {
  max-width: 480px;
  margin: 0 auto;
}

.hero-note {
  font-size: 13px;
  color: var(--text-3);
  margin: 0;
}

/* Early access form */
.early-access-form {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.early-access-form input[type="email"] {
  flex: 1;
  min-width: 220px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-input);
  padding: 15px 18px;
  font-size: 15px;
  color: white;
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s;
}

.early-access-form input[type="email"]::placeholder {
  color: var(--text-3);
}

.early-access-form input[type="email"]:focus {
  border-color: var(--action-start);
}

.form-success {
  font-size: 15px;
  font-weight: 600;
  color: white;
  margin: 0 0 14px;
}

.form-error {
  flex-basis: 100%;
  font-size: 13px;
  color: #ff8a8a;
  margin: 4px 0 0;
}

/* Phone showcase */
.phone-showcase {
  max-width: 1000px;
  margin: 0 auto;
  padding: 24px 28px 96px;
}

.phone-row {
  display: flex;
  justify-content: center;
  align-items: flex-end;
  gap: clamp(8px, 3vw, 40px);
  flex-wrap: nowrap;
}

.phone {
  border-radius: 26px;
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.6);
}

.phone-side {
  width: clamp(150px, 22vw, 230px);
  transform: translateY(28px) rotate(-3deg);
}

.phone-right {
  transform: translateY(28px) rotate(3deg);
}

.phone-center {
  width: clamp(168px, 25vw, 260px);
  border-radius: 28px;
  box-shadow: 0 40px 90px rgba(0, 0, 0, 0.7);
  position: relative;
  z-index: 2;
}

/* Section heads */
.eyebrow {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--text-3);
  margin-bottom: 16px;
  text-align: center;
}

.eyebrow-growth {
  color: var(--growth);
}

.section-head {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 56px;
}

.section-title {
  font-family: 'Instrument Serif', serif;
  font-weight: 400;
  font-size: clamp(30px, 4.4vw, 46px);
  line-height: 1.1;
  letter-spacing: -0.01em;
  margin: 0 0 16px;
  text-align: center;
  color: var(--text-1);
}

.section-title em {
  font-style: italic;
  color: var(--action-soft);
}

.section-subtitle {
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-2);
  margin: 0;
  text-align: center;
  text-wrap: pretty;
}

/* Features */
.features {
  padding: 88px 0;
  border-top: 1px solid var(--border-nav);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 24px;
  transition: border-color 0.2s;
}

.feature-card:hover {
  border-color: #57534E;
}

.feature-icon-badge {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}

.feature-icon-badge .feature-symbol {
  width: 21px;
  height: 21px;
}

.feature-card h3 {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 9px;
}

.feature-card p {
  font-size: 14.5px;
  color: var(--text-2);
  line-height: 1.6;
}

/* How it works */
.how {
  padding: 88px 0;
  border-top: 1px solid var(--border-nav);
}

.steps {
  display: flex;
  flex-direction: column;
}

.step {
  display: flex;
  gap: 22px;
  align-items: flex-start;
}

.step-rail {
  display: flex;
  flex-direction: column;
  align-items: center;
  align-self: stretch;
}

.step-number {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-family: 'Instrument Serif', serif;
  font-size: 22px;
  color: var(--action-soft);
}

.step-divider {
  width: 1px;
  flex: 1;
  background: linear-gradient(to bottom, var(--border), transparent);
  margin: 6px 0;
  min-height: 18px;
}

.step-content {
  padding-top: 9px;
  padding-bottom: 30px;
}

.step-content h3 {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 7px;
}

.step-content p {
  font-size: 15px;
  color: var(--text-2);
  line-height: 1.6;
  max-width: 46ch;
}

/* Science */
.science {
  padding: 88px 0;
  border-top: 1px solid var(--border-nav);
}

.science .section-title {
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1.14;
  margin-bottom: 18px;
}

.science .section-subtitle {
  max-width: 560px;
  margin: 0 auto 36px;
}

.science-disclaimer {
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-3);
  max-width: 480px;
  margin: 0 auto;
}

/* Privacy */
.privacy {
  padding: 88px 0;
  border-top: 1px solid var(--border-nav);
}

.privacy-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.privacy-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 26px;
  display: flex;
  gap: 18px;
  align-items: flex-start;
  transition: border-color 0.2s;
}

.privacy-card:hover {
  border-color: #57534E;
}

.privacy-icon-badge {
  width: 42px;
  height: 42px;
  border-radius: 11px;
  background: rgba(52, 211, 153, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.privacy-icon-badge .feature-symbol {
  width: 20px;
  height: 20px;
  color: var(--growth);
}

.privacy-card h3 {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 8px;
}

.privacy-card p {
  font-size: 14px;
  color: var(--text-2);
  line-height: 1.6;
}

.privacy-card a {
  color: inherit;
  text-decoration: underline;
}

/* CTA section */
.cta-section {
  position: relative;
  padding: 96px 0;
  border-top: 1px solid var(--border-nav);
}

.cta-glow {
  position: absolute;
  top: -10%;
  left: 50%;
  transform: translateX(-50%);
  width: 480px;
  height: 300px;
  background: radial-gradient(ellipse at center, rgba(224, 120, 48, 0.14), transparent 70%);
  pointer-events: none;
}

.cta-inner {
  position: relative;
  max-width: 680px;
  text-align: center;
}

.cta-inner h2 {
  font-family: 'Instrument Serif', serif;
  font-weight: 400;
  font-size: clamp(34px, 5vw, 54px);
  line-height: 1.08;
  letter-spacing: -0.01em;
  margin-bottom: 16px;
  color: var(--text-1);
}

.cta-inner h2 em {
  font-style: italic;
  color: var(--action-soft);
}

.cta-inner p {
  font-size: 17px;
  color: var(--text-2);
  max-width: 460px;
  margin: 0 auto 34px;
}

.cta-inner .early-access-form {
  max-width: 480px;
  margin: 0 auto 14px;
}

/* Footer */
.footer {
  border-top: 1px solid var(--border-nav);
  padding: 44px 0;
}

.footer-inner {
  max-width: 1000px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 22px;
  text-align: center;
}

.footer-links {
  display: flex;
  gap: 26px;
  flex-wrap: wrap;
  justify-content: center;
}

.footer-links a {
  font-size: 14px;
  color: var(--text-2);
  text-decoration: none;
  transition: color 0.2s;
}

.footer-links a:hover { color: var(--text-1); }

.footer-copy {
  font-size: 13px;
  color: var(--text-3);
  max-width: 520px;
  line-height: 1.6;
}

/* Legal pages */
.legal-content {
  max-width: 720px;
}

.legal-section {
  margin-bottom: 48px;
}

.legal-section h2 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-1);
}

.legal-section h3 {
  font-size: 16px;
  font-weight: 600;
  margin: 20px 0 8px;
  color: var(--text-2);
}

.legal-section p {
  font-size: 15px;
  color: var(--text-2);
  line-height: 1.8;
  margin-bottom: 12px;
}

.legal-section a {
  color: var(--action-start);
  text-decoration: none;
}

.legal-section a:hover {
  text-decoration: underline;
}

/* Responsive */
@media (max-width: 700px) {
  .features-grid { grid-template-columns: 1fr; }
  .privacy-grid { grid-template-columns: 1fr; }
  .phone-side { width: clamp(90px, 26vw, 140px); }
  .phone-center { width: clamp(110px, 30vw, 170px); }
}

@media (max-width: 600px) {
  .hero { padding: 72px 28px 48px; }
  .footer-links { flex-wrap: wrap; justify-content: center; gap: 16px; }
}