:root {
  /* Align with wellgate-extension theme tokens, expressive type for the marketing surface */
  --ink: #f8fafc;
  --muted: #94a3b8;
  --deep: #0f172a;
  --mid: #1e293b;
  --accent: #38bdf8;
  --accent-strong: #0ea5e9;
  --success: #4ade80;
  --danger: #f87171;
  --font-display: "Syne", sans-serif;
  --font-body: "Figtree", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: var(--font-body);
  background: var(--deep);
  line-height: 1.5;
  position: relative;
  overflow-x: hidden;
}

.atmosphere {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse 80% 55% at 12% 8%, rgba(56, 189, 248, 0.22), transparent 55%),
    radial-gradient(ellipse 70% 50% at 92% 18%, rgba(14, 165, 233, 0.16), transparent 50%),
    radial-gradient(ellipse 90% 60% at 50% 100%, rgba(15, 23, 42, 0.95), transparent 60%),
    linear-gradient(160deg, #0f172a 0%, #1e293b 55%, #0b1220 100%);
  animation: drift 18s ease-in-out infinite alternate;
}

@keyframes drift {
  from {
    transform: scale(1) translate(0, 0);
  }
  to {
    transform: scale(1.04) translate(-1.5%, 1%);
  }
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem clamp(1.25rem, 4vw, 3rem);
  max-width: 1100px;
  margin: 0 auto;
}

.brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.tabs {
  display: flex;
  gap: 0.35rem;
  background: rgba(248, 250, 252, 0.06);
  padding: 0.25rem;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.25);
}

.tab {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--muted);
  font: 500 0.9rem var(--font-body);
  padding: 0.45rem 0.95rem;
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.25s ease, color 0.25s ease;
}

.tab.is-active {
  background: rgba(56, 189, 248, 0.16);
  color: var(--ink);
}

.panel[hidden] {
  display: none;
}

.hero {
  min-height: calc(100vh - 5.5rem);
  display: grid;
  align-content: center;
  gap: 1rem;
  padding: 2rem clamp(1.25rem, 4vw, 3rem) 3.5rem;
  max-width: 1100px;
  margin: 0 auto;
}

.brand-mark {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.6rem, 8vw, 5.5rem);
  letter-spacing: -0.04em;
  color: var(--ink);
  line-height: 0.95;
  animation: rise 0.9s ease both;
}

.hero h1 {
  margin: 0;
  max-width: 14ch;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.6rem, 3.8vw, 2.6rem);
  letter-spacing: -0.03em;
  color: var(--accent);
  animation: rise 0.9s ease 0.12s both;
}

.lede {
  margin: 0;
  max-width: 38rem;
  font-size: 1.1rem;
  color: var(--muted);
  animation: rise 0.9s ease 0.22s both;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 0.5rem;
  animation: rise 0.9s ease 0.32s both;
}

.cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.2rem;
  border-radius: 999px;
  background: var(--accent-strong);
  color: var(--deep);
  text-decoration: none;
  font-weight: 600;
  border: 0;
  cursor: pointer;
  font: inherit;
  transition: transform 0.2s ease, background 0.2s ease;
}

.cta:hover {
  transform: translateY(-1px);
  background: var(--accent);
}

.cta-ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid rgba(148, 163, 184, 0.45);
}

.cta-ghost:hover {
  background: rgba(248, 250, 252, 0.06);
}

.hero-visual {
  margin-top: 1.5rem;
  min-height: clamp(220px, 36vh, 360px);
  border-radius: 16px;
  overflow: hidden;
  position: relative;
  border: 1px solid rgba(51, 65, 85, 0.9);
  background: linear-gradient(120deg, rgba(15, 23, 42, 0.95), rgba(30, 41, 59, 0.75));
  animation: rise 1s ease 0.4s both;
}

.feed-noise {
  position: absolute;
  inset: 0;
  display: grid;
  gap: 0.65rem;
  padding: 1.25rem;
  opacity: 0.55;
  animation: hush 4.5s ease-in-out infinite alternate;
}

.feed-noise span {
  display: block;
  height: 2.4rem;
  border-radius: 8px;
  background: linear-gradient(90deg, rgba(148, 163, 184, 0.28), rgba(148, 163, 184, 0.06));
}

.feed-noise span:nth-child(2) {
  width: 86%;
}
.feed-noise span:nth-child(3) {
  width: 72%;
}
.feed-noise span:nth-child(4) {
  width: 93%;
}
.feed-noise span:nth-child(5) {
  width: 64%;
}

.feed-clear {
  position: absolute;
  inset: auto 8% 12% 8%;
  padding: 1.1rem 1.25rem;
  border-radius: 12px;
  background: rgba(248, 250, 252, 0.95);
  color: #0f172a;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.35);
  animation: settle 1.2s ease 0.7s both;
}

.feed-clear p {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.15rem;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes hush {
  from {
    filter: blur(0);
    opacity: 0.6;
  }
  to {
    filter: blur(2px);
    opacity: 0.25;
  }
}

@keyframes settle {
  from {
    opacity: 0;
    transform: translateY(24px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.section {
  max-width: 720px;
  margin: 0 auto;
  padding: 3.5rem clamp(1.25rem, 4vw, 3rem);
  color: var(--muted);
}

.section h2 {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2rem);
  letter-spacing: -0.02em;
  color: var(--ink);
}

.section p {
  margin: 0;
  font-size: 1.05rem;
}

.metric-list {
  margin: 1.25rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.65rem;
}

.metric-list li {
  padding: 0.85rem 1rem;
  border-left: 3px solid var(--accent);
  background: rgba(248, 250, 252, 0.04);
  color: var(--ink);
}

.beta-section {
  max-width: 640px;
  padding-top: 2.5rem;
  min-height: calc(100vh - 8rem);
}

.beta-form {
  margin-top: 1.5rem;
  display: grid;
  gap: 0.5rem;
}

.beta-form label {
  font-weight: 600;
  color: var(--ink);
}

.beta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.beta-form input {
  flex: 1 1 12rem;
  min-width: 0;
  padding: 0.75rem 0.95rem;
  border-radius: 10px;
  border: 1px solid rgba(148, 163, 184, 0.35);
  background: rgba(11, 18, 32, 0.65);
  color: var(--ink);
  font: inherit;
}

.beta-form input:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.beta-error {
  margin: 0.35rem 0 0;
  color: var(--danger);
}

.beta-result {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(148, 163, 184, 0.25);
  animation: rise 0.5s ease both;
}

.beta-result h3 {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  color: var(--ink);
}

.code-list {
  margin: 0 0 1.5rem;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.5rem;
}

.code-list li {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  padding: 0.7rem 0.9rem;
  border-radius: 8px;
  background: rgba(56, 189, 248, 0.12);
  color: var(--ink);
  letter-spacing: 0.04em;
}

.instructions ol {
  margin: 0;
  padding-left: 1.2rem;
  color: var(--muted);
}

.instructions li + li {
  margin-top: 0.45rem;
}

.instructions code {
  font-size: 0.92em;
  color: var(--accent);
}

.site-footer {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2rem clamp(1.25rem, 4vw, 3rem) 2.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  justify-content: space-between;
  color: var(--muted);
  font-size: 0.9rem;
}

@media (max-width: 640px) {
  .site-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero {
    min-height: auto;
    padding-top: 1.5rem;
  }
}