:root {
  color-scheme: light dark;
  --bg: #f8f7f4;
  --surface: #ffffff;
  --border: #efece6;
  --text: #1e2229;
  --text-secondary: #535965;
  --text-muted: #767d8a;
  --brand: #2b59c3;
  --deep: #8b3a2b;
  --deep-tint: #fbeae7;
  --steady: #8a5b00;
  --steady-tint: #fff6e5;
  --low: #1b6b48;
  --low-tint: #eaf5ee;
  --focus: #2b59c3;
  --shadow: 0 24px 60px rgba(30, 34, 41, 0.12);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12151b;
    --surface: #1a1f28;
    --border: #252c38;
    --text: #edefef;
    --text-secondary: #a2a9b6;
    --text-muted: #717a8a;
    --brand: #6c92ee;
    --deep: #f08a74;
    --deep-tint: #2e1b17;
    --steady: #f3ba52;
    --steady-tint: #2d2311;
    --low: #57c78e;
    --low-tint: #13271e;
    --focus: #6c92ee;
    --shadow: 0 24px 60px rgba(0, 0, 0, 0.28);
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family:
    system-ui,
    -apple-system,
    'Segoe UI',
    Roboto,
    sans-serif;
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
a {
  color: var(--brand);
  text-underline-offset: 0.2em;
}
a:hover {
  text-decoration-thickness: 2px;
}
:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 4px;
  border-radius: 4px;
}
.skip-link {
  position: fixed;
  z-index: 100;
  top: -100px;
  left: 0.75rem;
  padding: 0.75rem 1rem;
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 12px;
}
.skip-link:focus {
  top: 0.75rem;
}
.container {
  width: min(100% - 2rem, 880px);
  margin-inline: auto;
}
.narrow {
  max-width: 720px;
}
.section {
  padding: clamp(4.5rem, 10vw, 8rem) 0;
}
.section-band {
  background: var(--surface);
  border-block: 1px solid var(--border);
}
.section-divider {
  border-top: 1px solid var(--border);
}
h1,
h2,
h3 {
  margin: 0;
  line-height: 1.14;
  letter-spacing: -0.025em;
  font-weight: 650;
}
h1 {
  max-width: 13ch;
  font-size: clamp(2.7rem, 9vw, 5.25rem);
}
h2 {
  font-size: clamp(2rem, 5.5vw, 3.25rem);
}
h3 {
  font-size: 1.2rem;
}
p {
  margin: 0;
  color: var(--text-secondary);
}
.eyebrow {
  margin-bottom: 0.8rem;
  color: var(--text-secondary);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.site-header {
  border-bottom: 1px solid var(--border);
  background: var(--bg);
}
.header-inner {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.brand {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--text);
  font-weight: 700;
  text-decoration: none;
}
.brand-mark {
  width: 2rem;
  height: 2rem;
  display: grid;
  place-items: center;
  border-radius: 9px;
  background: var(--brand);
  color: var(--bg);
  line-height: 1;
}
.site-header nav,
.site-footer nav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.25rem 1rem;
}
.site-header nav a,
.site-footer nav a {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.94rem;
}
.site-header nav a:hover,
.site-footer nav a:hover,
[aria-current='page'] {
  color: var(--text);
}
.hero {
  overflow: hidden;
}
.hero-grid {
  display: grid;
  align-items: center;
  gap: 4rem;
}
.hero-copy {
  display: grid;
  justify-items: start;
  gap: 1.5rem;
}
.badge {
  display: inline-flex;
  min-height: 36px;
  align-items: center;
  padding: 0.35rem 0.8rem;
  border: 1px solid var(--brand);
  border-radius: 999px;
  color: var(--brand);
  font-size: 0.84rem;
  font-weight: 650;
}
.hero-text {
  max-width: 38rem;
  font-size: clamp(1.05rem, 2vw, 1.2rem);
}
.button {
  min-height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  padding: 0.7rem 1.25rem;
  border: 2px solid var(--brand);
  border-radius: 12px;
  background: var(--brand);
  color: var(--bg);
  font-weight: 700;
  text-decoration: none;
}
.button:hover {
  filter: brightness(1.08);
  text-decoration: none;
}
.text-link {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1rem;
  font-weight: 650;
}
.phone {
  width: min(100%, 330px);
  margin-inline: auto;
  padding: 12px;
  border: 2px solid var(--text-muted);
  border-radius: 42px;
  background: var(--text);
  box-shadow: var(--shadow);
}
.phone-speaker {
  width: 34%;
  height: 22px;
  margin: 0 auto -22px;
  position: relative;
  z-index: 2;
  border-radius: 0 0 14px 14px;
  background: var(--text);
}
.phone-screen {
  min-height: 490px;
  padding: 1.25rem 0.8rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  border-radius: 31px;
  background: var(--bg);
}
.phone-time {
  position: absolute;
  align-self: flex-start;
  margin-top: -430px;
  margin-left: 0.6rem;
  color: var(--text-secondary);
  font-size: 0.72rem;
  font-weight: 700;
}
.notification {
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--surface);
  box-shadow: 0 12px 30px rgba(30, 34, 41, 0.14);
}
.notification-header {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 0.45rem;
  color: var(--text-secondary);
  font-size: 0.75rem;
}
.notification-icon {
  width: 1.6rem;
  height: 1.6rem;
  display: grid;
  place-items: center;
  border-radius: 7px;
  background: var(--brand);
  color: var(--bg);
}
.notification-time {
  color: var(--text-secondary);
}
.notification h2 {
  margin-top: 0.8rem;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
}
.notification p {
  margin-top: 0.2rem;
  font-size: 0.82rem;
}
.notification-actions {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.4rem;
  margin-top: 1rem;
}
.notification-actions span {
  min-height: 48px;
  display: grid;
  place-items: center;
  padding: 0.4rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  font-size: 0.75rem;
  font-weight: 650;
  text-align: center;
}
.section-heading {
  max-width: 620px;
  margin-bottom: 3rem;
}
.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2.5rem;
  counter-reset: steps;
}
.steps li {
  position: relative;
  padding-top: 4.2rem;
}
.steps li::before {
  content: '';
  position: absolute;
  top: 1.55rem;
  left: 3.9rem;
  right: 0;
  height: 1px;
  background: var(--border);
}
.steps li:last-child::before {
  display: none;
}
.step-number {
  position: absolute;
  inset: 0 auto auto 0;
  width: 3.1rem;
  height: 3.1rem;
  display: grid;
  place-items: center;
  border: 1px solid var(--brand);
  border-radius: 50%;
  background: var(--bg);
  color: var(--brand);
  font-weight: 750;
}
.steps p {
  margin-top: 0.75rem;
}
.split-section,
.feature-row {
  display: grid;
  gap: 2.5rem;
}
.split-section > div > p:last-child,
.feature-row > p,
.feature-row > div:last-child {
  margin-top: 1.2rem;
  font-size: 1.08rem;
}
.energy-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.9rem;
}
.energy-chip {
  padding: 1rem 1.1rem;
  display: grid;
  gap: 0.2rem;
  border: 1px solid;
  border-radius: 14px;
}
.energy-chip span:last-child {
  color: var(--text-secondary);
  font-size: 0.92rem;
}
.energy-label {
  color: currentColor;
  font-weight: 750;
}
.energy-deep {
  color: var(--deep);
  background: var(--deep-tint);
}
.energy-steady {
  color: var(--steady);
  background: var(--steady-tint);
}
.energy-low {
  color: var(--low);
  background: var(--low-tint);
}
.faq-list {
  border-top: 1px solid var(--border);
}
details {
  border-bottom: 1px solid var(--border);
}
summary {
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  color: var(--text);
  font-weight: 650;
  cursor: pointer;
  list-style: none;
}
summary::-webkit-details-marker {
  display: none;
}
summary::after {
  content: '+';
  color: var(--brand);
  font-size: 1.45rem;
  font-weight: 400;
}
details[open] summary::after {
  content: '−';
}
details p {
  padding: 0 2.5rem 1.4rem 0;
}
.launch-cta {
  text-align: center;
}
.launch-cta .narrow {
  padding: clamp(2rem, 6vw, 4rem);
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--surface);
}
.launch-cta p {
  margin: 1rem auto 1.5rem;
}
.site-footer {
  padding: 2rem 0;
  border-top: 1px solid var(--border);
}
.footer-links {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  color: var(--text-secondary);
}
.disclaimer {
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 0.86rem;
}
.legal-page,
.page-intro {
  padding-block: clamp(3.5rem, 8vw, 6rem);
}
.legal-content {
  max-width: 760px;
}
.legal-content h1 {
  margin: 1.5rem 0 0.8rem;
  font-size: clamp(2.7rem, 8vw, 4.5rem);
}
.legal-content section {
  scroll-margin-top: 1rem;
  padding-top: 2.5rem;
}
.legal-content section h2 {
  margin-bottom: 0.8rem;
  font-size: clamp(1.5rem, 4vw, 2rem);
}
.legal-content li {
  margin-bottom: 0.65rem;
  color: var(--text-secondary);
}
.draft-notice {
  padding: 1rem;
  border: 1px solid var(--steady);
  border-radius: 12px;
  background: var(--steady-tint);
  color: var(--steady);
  font-weight: 700;
}
.table-of-contents {
  margin-top: 3rem;
  padding: 1.5rem;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--surface);
}
.table-of-contents h2 {
  font-size: 1.25rem;
}
.table-of-contents ol {
  columns: 2;
  column-gap: 2.5rem;
  padding-left: 1.25rem;
}
.table-of-contents a {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
}
.page-intro h1 {
  margin-block: 0.4rem 1rem;
}
.page-intro p {
  max-width: 36rem;
  font-size: 1.15rem;
}
.page-intro .button {
  margin-top: 1.5rem;
}
.not-found {
  min-height: 62vh;
  padding-block: 7rem;
  display: grid;
  place-items: center;
  text-align: center;
}
.not-found h1 {
  max-width: 12ch;
  margin-inline: auto;
}
.not-found p:not(.error-code) {
  margin: 1rem 0 1.5rem;
}
.error-code {
  color: var(--brand);
  font-size: 1rem;
  font-weight: 750;
  letter-spacing: 0.18em;
}

@media (min-width: 720px) {
  .hero-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
  }
  .steps {
    grid-template-columns: repeat(3, 1fr);
  }
  .steps li::before {
    display: block;
  }
  .split-section,
  .feature-row {
    grid-template-columns: 0.9fr 1.1fr;
    align-items: start;
    gap: 5rem;
  }
  .split-section > div > p:last-child,
  .feature-row > p,
  .feature-row > div:last-child {
    margin-top: 0;
  }
}

@media (max-width: 719px) {
  .header-inner {
    align-items: flex-start;
    flex-direction: column;
    padding-block: 0.7rem;
  }
  .site-header nav {
    width: 100%;
    flex-wrap: wrap;
  }
  .site-header nav a {
    min-height: 48px;
  }
  .section {
    padding-block: 4rem;
  }
  h1 {
    font-size: clamp(2.25rem, 12vw, 3.6rem);
  }
  .footer-links {
    align-items: flex-start;
    flex-direction: column;
  }
  .table-of-contents ol {
    columns: 1;
  }
  .steps li:not(:last-child)::before {
    bottom: -2.5rem;
    left: 1.55rem;
    right: auto;
    width: 1px;
    height: 2.5rem;
  }
}

@media (max-width: 380px) {
  body {
    font-size: 16px;
  }
  .container {
    width: min(100% - 1.25rem, 880px);
  }
  .hero-grid {
    gap: 3rem;
  }
  .button {
    width: 100%;
  }
  .notification-actions {
    grid-template-columns: 1fr;
  }
  .phone-screen {
    min-height: 455px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}