:root {
  --ink: #101820;
  --ink-soft: #3d4d56;
  --fog: #e8eef1;
  --paper: #f4f7f8;
  --white: #ffffff;
  --sea: #0f6e62;
  --sea-bright: #2fd3c0;
  --signal: #ff5c35;
  --signal-deep: #e04520;
  --mist: #dce6ea;
  --font-display: "Syne", system-ui, sans-serif;
  --font-body: "IBM Plex Sans", system-ui, sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --header-h: 4.25rem;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.55;
  color: var(--ink);
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(47, 211, 192, 0.14), transparent 60%),
    radial-gradient(900px 500px at -10% 20%, rgba(255, 92, 53, 0.08), transparent 55%),
    linear-gradient(180deg, #f7fafb 0%, var(--paper) 40%, #eef3f5 100%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.92em;
  background: rgba(16, 24, 32, 0.06);
  padding: 0.1em 0.35em;
  border-radius: 4px;
}

.skip {
  position: absolute;
  left: 1rem;
  top: -3rem;
  background: var(--ink);
  color: var(--white);
  padding: 0.5rem 0.75rem;
  z-index: 100;
  border-radius: 6px;
}

.skip:focus {
  top: 1rem;
}

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(14px);
  background: rgba(244, 247, 248, 0.78);
  border-bottom: 1px solid rgba(16, 24, 32, 0.06);
}

.site-header__inner {
  max-width: 1120px;
  margin: 0 auto;
  min-height: var(--header-h);
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.wordmark__mark {
  width: 0.85rem;
  height: 0.85rem;
  background: var(--signal);
  border-radius: 2px;
  box-shadow: 0.22rem 0.22rem 0 var(--sea-bright);
}

.site-nav {
  margin-left: auto;
  display: none;
  gap: 1.35rem;
}

.site-nav a {
  text-decoration: none;
  color: var(--ink-soft);
  font-size: 0.95rem;
  font-weight: 500;
}

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

@media (min-width: 820px) {
  .site-nav {
    display: flex;
  }
}

/* Buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  min-height: 2.85rem;
  padding: 0.65rem 1.25rem;
  border-radius: 8px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.98rem;
  text-decoration: none;
  border: 1.5px solid transparent;
  transition:
    transform 180ms var(--ease),
    background 180ms var(--ease),
    border-color 180ms var(--ease),
    color 180ms var(--ease);
}

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

.btn:active {
  transform: translateY(0);
}

.btn--small {
  min-height: 2.35rem;
  padding: 0.4rem 0.95rem;
  font-size: 0.9rem;
}

.btn--solid {
  background: var(--signal);
  color: var(--white);
  border-color: var(--signal);
}

.btn--solid:hover {
  background: var(--signal-deep);
  border-color: var(--signal-deep);
}

.btn--ghost {
  background: transparent;
  border-color: rgba(16, 24, 32, 0.22);
  color: var(--ink);
}

.btn--ghost:hover {
  border-color: var(--ink);
}

.btn--ghost-on-dark {
  border-color: rgba(255, 255, 255, 0.35);
  color: var(--white);
}

.btn--ghost-on-dark:hover {
  border-color: var(--white);
  background: rgba(255, 255, 255, 0.06);
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.75rem;
}

.cta-row--center {
  justify-content: center;
}

/* Hero — one composition */

.hero {
  display: grid;
  grid-template-columns: 1fr;
  min-height: calc(100svh - var(--header-h));
  max-width: 1200px;
  margin: 0 auto;
  align-items: stretch;
}

.hero__copy {
  padding: 3rem 1.5rem 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  max-width: 36rem;
}

.brand-lockup {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.4rem, 6vw, 3.6rem);
  letter-spacing: -0.045em;
  line-height: 0.95;
  color: var(--ink);
}

.hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.65rem, 3.4vw, 2.35rem);
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--ink);
  max-width: 18ch;
}

.lede {
  margin: 1.1rem 0 0;
  color: var(--ink-soft);
  font-size: 1.1rem;
  max-width: 34ch;
}

.hero__stage {
  position: relative;
  min-height: 52vw;
  overflow: hidden;
}

.hero__glow {
  position: absolute;
  inset: 10% 5% auto;
  height: 55%;
  background: radial-gradient(ellipse at center, rgba(47, 211, 192, 0.35), transparent 70%);
  filter: blur(8px);
  pointer-events: none;
  animation: breathe 7s var(--ease) infinite alternate;
}

.hero-scene {
  margin: 0;
  height: 100%;
  min-height: 320px;
}

.hero-scene__art {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 360px;
}

@media (min-width: 960px) {
  .hero {
    grid-template-columns: minmax(20rem, 0.92fr) 1.15fr;
  }

  .hero__copy {
    padding: 4rem 1.5rem 4rem 2rem;
  }

  .hero__stage {
    min-height: calc(100svh - var(--header-h));
  }

  .hero-scene__art {
    min-height: 100%;
  }
}

@keyframes breathe {
  from {
    opacity: 0.55;
    transform: scale(0.96);
  }
  to {
    opacity: 1;
    transform: scale(1.04);
  }
}

/* Sections */

.section {
  padding: 5.5rem 1.5rem;
}

.section__inner {
  max-width: 960px;
  margin: 0 auto;
}

.section__inner.narrow {
  max-width: 640px;
}

.section h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.85rem, 3.5vw, 2.6rem);
  letter-spacing: -0.035em;
  line-height: 1.12;
}

.section__support {
  margin: 1rem 0 0;
  color: var(--ink-soft);
  font-size: 1.1rem;
  max-width: 42ch;
}

.section--ink {
  background: var(--ink);
  color: var(--white);
  padding-bottom: 0;
}

.section--ink .section__support {
  color: rgba(255, 255, 255, 0.72);
}

.section--mist {
  background: linear-gradient(180deg, rgba(220, 230, 234, 0.55), rgba(220, 230, 234, 0.2));
}

.section--close {
  background:
    linear-gradient(160deg, #0c1c24 0%, #12303a 48%, #0a3d36 100%);
  color: var(--white);
  text-align: center;
}

.section--close .section__support {
  margin-left: auto;
  margin-right: auto;
  color: rgba(255, 255, 255, 0.72);
}

.section--close .fineprint {
  margin: 1.5rem auto 0;
  max-width: 40ch;
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.9rem;
}

.section--close code {
  background: rgba(255, 255, 255, 0.1);
  color: #d7fff7;
}

/* Proof rail — not cards: open columns on a continuous band */

.proof-rail {
  max-width: 1120px;
  margin: 3.5rem auto 0;
  display: grid;
  grid-template-columns: 1fr;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.proof {
  padding: 2rem 1.5rem 2.75rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.proof__index {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  color: var(--sea-bright);
  margin-bottom: 0.85rem;
}

.proof h3 {
  margin: 0 0 0.55rem;
  font-family: var(--font-display);
  font-size: 1.45rem;
  letter-spacing: -0.02em;
}

.proof p {
  margin: 0;
  color: rgba(255, 255, 255, 0.7);
  max-width: 30ch;
}

@media (min-width: 860px) {
  .proof-rail {
    grid-template-columns: repeat(3, 1fr);
  }

  .proof {
    border-bottom: 0;
    border-right: 1px solid rgba(255, 255, 255, 0.12);
    padding: 2.5rem 2rem 3.5rem;
  }

  .proof:last-child {
    border-right: 0;
  }
}

/* Steps */

.steps {
  list-style: none;
  margin: 3rem 0 0;
  padding: 0;
  display: grid;
  gap: 0;
  counter-reset: step;
}

.step {
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: 1.25rem;
  row-gap: 0.35rem;
  padding: 1.5rem 0;
  border-top: 1px solid rgba(16, 24, 32, 0.1);
  align-items: baseline;
}

.step::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--signal);
  grid-row: 1 / span 2;
}

.step strong {
  font-family: var(--font-display);
  font-size: 1.2rem;
  letter-spacing: -0.02em;
}

.step span {
  color: var(--ink-soft);
  grid-column: 2;
}

/* Pricing — no card chrome */

.price-block {
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(16, 24, 32, 0.12);
}

.price-block__amount {
  margin: 0;
  display: flex;
  align-items: baseline;
  gap: 0.35rem;
}

.price-block__num {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(3rem, 8vw, 4.5rem);
  letter-spacing: -0.05em;
  line-height: 1;
}

.price-block__per {
  color: var(--ink-soft);
  font-size: 1.1rem;
}

.price-block__trial {
  margin: 0.65rem 0 1.5rem;
  color: var(--sea);
  font-weight: 600;
}

/* Footer */

.site-footer {
  padding: 2.5rem 1.5rem 3rem;
  border-top: 1px solid rgba(16, 24, 32, 0.08);
  background: rgba(255, 255, 255, 0.4);
}

.site-footer__inner {
  max-width: 1120px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2rem;
  align-items: baseline;
  justify-content: space-between;
}

.wordmark--footer {
  font-size: 1rem;
}

.site-footer__note {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

/* Motion: reveal on scroll */

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition:
    opacity 700ms var(--ease),
    transform 700ms var(--ease);
}

.reveal.is-in {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .hero__glow {
    animation: none;
  }

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .btn:hover {
    transform: none;
  }
}