:root {
  --bg: #fafaf9;
  --bg-elevated: #ffffff;
  --bg-muted: #f5f5f4;
  --fg: #1c1917;
  --fg-muted: #57534e;
  --border: #e7e5e4;
  --primary: #14b8a6;
  --primary-deep: #0f766e;
  --primary-soft: #ccfbf1;
  --logo-teal: #00bac6;
  --radius: 0.5rem;
  --shadow-soft: 0 18px 50px -28px rgba(15, 118, 110, 0.45);
  --font-display: "DM Sans", "Plus Jakarta Sans", system-ui, sans-serif;
  --font-text: Inter, "DM Sans", system-ui, -apple-system, sans-serif;
  --shell: min(1120px, calc(100% - 2.5rem));
  --header-h: 4.25rem;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-text);
  color: var(--fg);
  background: var(--bg);
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--primary-deep);
}

a:hover {
  color: var(--primary);
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin: 0;
}

p {
  margin: 0;
}

.shell {
  width: var(--shell);
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -3rem;
  z-index: 100;
  padding: 0.65rem 1rem;
  border-radius: 999px;
  background: var(--fg);
  color: #fff;
  text-decoration: none;
}

.skip-link:focus {
  top: 1rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--header-h);
  backdrop-filter: blur(14px);
  background: rgba(250, 250, 249, 0.86);
  border-bottom: 1px solid rgba(231, 229, 228, 0.8);
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.brand img {
  width: 7.5rem;
  height: auto;
}

.nav {
  display: none;
  margin-left: auto;
  gap: 1.5rem;
}

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

.nav a:hover {
  color: var(--primary-deep);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 3rem;
  padding: 0.7rem 1.35rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  transition: transform 180ms ease, background-color 180ms ease, border-color 180ms ease,
    color 180ms ease, box-shadow 180ms ease;
}

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

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

.btn-primary {
  background: var(--primary);
  color: #0f172a;
  box-shadow: var(--shadow-soft);
}

.btn-primary:hover {
  background: #2dd4bf;
  color: #0f172a;
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.72);
  border-color: rgba(20, 184, 166, 0.35);
  color: var(--fg);
  backdrop-filter: blur(8px);
}

.btn-secondary:hover {
  border-color: var(--primary);
  color: var(--fg);
}

.btn-ghost {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.28);
  color: #fff;
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}

.btn-compact {
  min-height: 2.5rem;
  padding: 0.45rem 1rem;
  margin-left: auto;
  font-size: 0.875rem;
}

.hero {
  position: relative;
  isolation: isolate;
  min-height: calc(100svh - var(--header-h));
  display: grid;
  align-items: center;
  overflow: hidden;
  background: linear-gradient(180deg, #f7fffd 0%, #eefbf8 42%, #fafaf9 100%);
}

.hero-atmosphere {
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
}

.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(40px);
  opacity: 0.85;
  animation: drift 18s ease-in-out infinite alternate;
}

.hero-glow-a {
  width: min(70vw, 720px);
  height: min(70vw, 720px);
  top: -18%;
  right: -8%;
  background: radial-gradient(circle, rgba(94, 234, 212, 0.75) 0%, rgba(20, 184, 166, 0.18) 55%, transparent 72%);
}

.hero-glow-b {
  width: min(55vw, 540px);
  height: min(55vw, 540px);
  bottom: -12%;
  left: -10%;
  background: radial-gradient(circle, rgba(45, 212, 191, 0.55) 0%, rgba(15, 118, 110, 0.12) 60%, transparent 75%);
  animation-delay: -6s;
}

.hero-glow-c {
  width: min(40vw, 380px);
  height: min(40vw, 380px);
  top: 28%;
  left: 38%;
  background: radial-gradient(circle, rgba(204, 251, 241, 0.9) 0%, rgba(153, 246, 228, 0.25) 50%, transparent 70%);
  animation-duration: 22s;
  animation-delay: -3s;
}

.hero-haze {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.55), transparent 28%),
    radial-gradient(circle at 78% 36%, rgba(255, 255, 255, 0.4), transparent 22%),
    linear-gradient(180deg, rgba(250, 250, 249, 0.15), rgba(250, 250, 249, 0.75));
}

.hero-content {
  padding: 4.5rem 0 5rem;
  max-width: 48rem;
  text-align: center;
  margin-inline: auto;
}

.eyebrow {
  margin: 0 0 1rem;
  color: var(--primary-deep);
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero h1 {
  font-size: clamp(2.6rem, 7vw, 4.4rem);
  font-weight: 700;
  color: var(--fg);
}

.hero-lede {
  margin: 1.25rem auto 0;
  max-width: 38rem;
  color: var(--fg-muted);
  font-size: clamp(1.02rem, 2.2vw, 1.2rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.85rem;
  margin-top: 2rem;
}

.section {
  padding: 5.5rem 0;
}

.details {
  background: var(--bg-elevated);
  border-block: 1px solid var(--border);
}

.details-grid {
  display: grid;
  gap: 2.5rem;
}

.details-intro h2,
.signup-copy h2,
.faq-intro h2,
.cta-inner h2 {
  font-size: clamp(1.9rem, 4vw, 2.75rem);
  margin-bottom: 1rem;
}

.details-intro p,
.signup-copy p,
.cta-inner p {
  color: var(--fg-muted);
  font-size: 1.05rem;
  max-width: 36rem;
}

.meta-list {
  margin: 0;
  display: grid;
  gap: 1.75rem;
  padding-left: 0;
}

.meta-list > div {
  padding-left: 1.15rem;
  border-left: 2px solid var(--primary);
}

.meta-list dt {
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--primary-deep);
  margin-bottom: 0.45rem;
}

.meta-list dd {
  margin: 0;
  font-size: 1.05rem;
  color: var(--fg);
}

.signup {
  background: var(--bg-muted);
}

.signup-inner {
  display: grid;
  gap: 2.5rem;
}

.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.5rem;
}

.steps li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  align-items: start;
}

.step-num {
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 999px;
  display: grid;
  place-items: center;
  background: var(--primary-soft);
  color: var(--primary-deep);
  font-family: var(--font-display);
  font-weight: 700;
}

.steps h3 {
  font-size: 1.2rem;
  margin-bottom: 0.4rem;
}

.steps p {
  color: var(--fg-muted);
}

.text-link {
  display: inline-block;
  margin-top: 0.7rem;
  font-weight: 600;
  text-decoration: none;
  color: var(--primary-deep);
  border-bottom: 1px solid rgba(15, 118, 110, 0.35);
}

.text-link:hover {
  border-bottom-color: var(--primary);
}

.faq-intro {
  margin-bottom: 2rem;
  max-width: 40rem;
}

.faq-list {
  border-top: 1px solid var(--border);
}

.faq-list details {
  border-bottom: 1px solid var(--border);
}

.faq-list summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.2rem 0;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--fg);
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary::after {
  content: "";
  width: 0.65rem;
  height: 0.65rem;
  border-right: 2px solid var(--fg-muted);
  border-bottom: 2px solid var(--fg-muted);
  transform: rotate(45deg);
  transition: transform 180ms ease;
  flex-shrink: 0;
}

.faq-list details[open] summary::after {
  transform: rotate(225deg);
  margin-top: 0.35rem;
}

.faq-body {
  padding: 0 0 1.35rem;
  color: var(--fg-muted);
  max-width: 48rem;
  animation: faqIn 220ms ease;
}

.faq-body p + p,
.faq-body p + ol {
  margin-top: 0.75rem;
}

.faq-body ol {
  margin: 0.75rem 0 0;
  padding-left: 1.2rem;
}

.faq-body li + li {
  margin-top: 0.55rem;
}

.cta-band {
  background:
    linear-gradient(135deg, #134e4a 0%, #0f766e 42%, #14b8a6 100%);
  color: #fafaf9;
}

.cta-inner {
  text-align: center;
}

.cta-inner h2 {
  color: #fff;
}

.cta-inner p {
  margin-inline: auto;
  color: rgba(250, 250, 249, 0.82);
}

.site-footer {
  padding: 2rem 0 2.5rem;
  border-top: 1px solid var(--border);
  background: var(--bg-elevated);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.footer-inner p {
  color: var(--fg-muted);
  font-size: 0.92rem;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  animation: rise 700ms cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.delay-1 {
  animation-delay: 120ms;
}

.delay-2 {
  animation-delay: 220ms;
}

.delay-3 {
  animation-delay: 320ms;
}

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

  .reveal,
  .hero-glow,
  .faq-body {
    animation: none !important;
  }

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

  .btn:hover {
    transform: none;
  }
}

@keyframes drift {
  from {
    transform: translate3d(0, 0, 0) scale(1);
  }
  to {
    transform: translate3d(-3%, 4%, 0) scale(1.08);
  }
}

@keyframes rise {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes faqIn {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (min-width: 720px) {
  .nav {
    display: flex;
  }

  .btn-compact {
    margin-left: 0;
  }

  .details-grid,
  .signup-inner {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: start;
    gap: 3.5rem;
  }

  .meta-list {
    gap: 2rem;
  }
}

@media (min-width: 960px) {
  .hero-content {
    padding-block: 6rem 7rem;
  }
}
