:root {
  --bg: #0d1011;
  --bg-soft: #12181a;
  --card: rgba(255, 250, 243, 0.08);
  --card-strong: rgba(255, 248, 238, 0.14);
  --stroke: rgba(255, 248, 238, 0.14);
  --text: #f7f2ea;
  --muted: #c6c0b7;
  --green: #1ed760;
  --green-deep: #0a7c35;
  --sand: #f4efe6;
  --red: #d24d3f;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.28);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Instrument Sans", "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(30, 215, 96, 0.12), transparent 30%),
    radial-gradient(circle at 80% 20%, rgba(210, 77, 63, 0.18), transparent 22%),
    linear-gradient(180deg, #111516 0%, #0d1011 55%, #0b0d0e 100%);
  min-height: 100vh;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

code {
  font-family: "Space Grotesk", monospace;
  font-size: 0.95em;
}

.ambient,
.grain {
  pointer-events: none;
  position: fixed;
  inset: 0;
}

.ambient-a {
  background:
    radial-gradient(circle at 18% 12%, rgba(255, 255, 255, 0.08), transparent 18%),
    radial-gradient(circle at 82% 78%, rgba(30, 215, 96, 0.12), transparent 26%);
  filter: blur(24px);
}

.ambient-b {
  background:
    radial-gradient(circle at 72% 10%, rgba(255, 214, 168, 0.12), transparent 18%),
    radial-gradient(circle at 40% 76%, rgba(210, 77, 63, 0.12), transparent 20%);
  filter: blur(42px);
}

.grain {
  opacity: 0.08;
  background-image:
    linear-gradient(transparent 0, rgba(255, 255, 255, 0.22) 50%, transparent 100%),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120' viewBox='0 0 120 120'%3E%3Cg fill='%23ffffff' fill-opacity='.18'%3E%3Ccircle cx='4' cy='8' r='1'/%3E%3Ccircle cx='42' cy='26' r='1'/%3E%3Ccircle cx='88' cy='14' r='1'/%3E%3Ccircle cx='28' cy='76' r='1'/%3E%3Ccircle cx='100' cy='84' r='1'/%3E%3Ccircle cx='62' cy='58' r='1'/%3E%3C/g%3E%3C/svg%3E");
  mix-blend-mode: soft-light;
}

.shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.topbar {
  position: sticky;
  top: 12px;
  z-index: 20;
  margin-top: 12px;
  padding: 16px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  background: rgba(17, 21, 22, 0.5);
  border: 1px solid rgba(255, 250, 243, 0.08);
  border-radius: 22px;
  backdrop-filter: blur(24px) saturate(140%);
  box-shadow: var(--shadow);
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--green), #7ef8aa);
  color: #09100c;
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
}

.brand-copy {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.brand-copy strong {
  font-size: 0.96rem;
}

.brand-copy small,
.nav a {
  color: var(--muted);
}

.nav {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

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

.hero {
  padding: 92px 0 48px;
  display: grid;
  grid-template-columns: 1.02fr 0.98fr;
  gap: 32px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 14px;
  color: #88e7ae;
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero h1,
.section-head h2,
.final-panel h2 {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
  letter-spacing: -0.04em;
}

.hero h1 {
  font-size: clamp(2.05rem, 4.85vw, 3.95rem);
  line-height: 0.98;
  max-width: 12ch;
}

.lede {
  max-width: 60ch;
  margin: 24px 0 0;
  font-size: 0.98rem;
  line-height: 1.72;
  color: var(--muted);
}

.cta-row {
  display: flex;
  gap: 14px;
  margin-top: 28px;
  flex-wrap: wrap;
}

.button {
  min-height: 48px;
  padding: 0 18px;
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  border: 1px solid var(--stroke);
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

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

.button-primary {
  background: linear-gradient(135deg, var(--green), #6df39c);
  color: #06100a;
  border-color: transparent;
  font-weight: 700;
}

.button-secondary {
  background: rgba(255, 250, 243, 0.08);
}

.signal-row,
.clean-list {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.signal-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.signal-row li {
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255, 248, 238, 0.07);
  border: 1px solid rgba(255, 248, 238, 0.1);
  color: var(--muted);
}

.hero-stage {
  position: relative;
  min-height: 560px;
}

.glass-panel,
.feature-card,
.timeline-item {
  border: 1px solid var(--stroke);
  backdrop-filter: blur(24px) saturate(145%);
  background:
    linear-gradient(180deg, rgba(255, 251, 246, 0.14), rgba(255, 251, 246, 0.06)),
    rgba(17, 24, 26, 0.44);
  box-shadow: var(--shadow);
}

.glass-panel {
  border-radius: 28px;
}

.panel-main {
  position: absolute;
  inset: 30px 30px 120px 30px;
  padding: 28px;
}

.panel-main h2 {
  margin: 26px 0 12px;
  max-width: 12ch;
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(1.7rem, 2.45vw, 2.35rem);
  line-height: 1.02;
  letter-spacing: -0.04em;
}

.panel-main p,
.panel-card p,
.feature-card p,
.timeline-item p,
.install-card p,
.final-panel p {
  color: var(--muted);
  line-height: 1.7;
}

.panel-top,
.chip {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.pill,
.chip {
  border-radius: 999px;
  padding: 8px 12px;
  font-size: 0.84rem;
}

.pill {
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.pill-green {
  background: rgba(30, 215, 96, 0.14);
  color: #9cf3bb;
}

.pill-soft,
.chip {
  background: rgba(255, 248, 238, 0.08);
  color: var(--muted);
}

.eq-bars {
  display: flex;
  gap: 10px;
  align-items: end;
  margin-top: 36px;
  height: 84px;
}

.eq-bars span {
  width: 14px;
  border-radius: 999px;
  background: linear-gradient(180deg, #7ef8aa, #0d7f38);
  animation: pulse 1.7s ease-in-out infinite;
}

.eq-bars span:nth-child(1) { height: 44px; animation-delay: 0s; }
.eq-bars span:nth-child(2) { height: 74px; animation-delay: 0.18s; }
.eq-bars span:nth-child(3) { height: 52px; animation-delay: 0.3s; }
.eq-bars span:nth-child(4) { height: 84px; animation-delay: 0.45s; }
.eq-bars span:nth-child(5) { height: 38px; animation-delay: 0.62s; }

.panel-card {
  position: absolute;
  width: min(280px, 62%);
  padding: 18px 20px;
}

.panel-card strong {
  display: block;
  margin-top: 14px;
  font-size: 1.08rem;
}

.panel-card-a { right: 0; top: 0; }
.panel-card-b { right: 18px; bottom: 110px; }
.panel-card-c { left: 34px; bottom: 0; width: min(360px, 76%); }

.section {
  padding: 54px 0;
}

.section-head {
  margin-bottom: 24px;
}

.section-head h2 {
  font-size: clamp(1.75rem, 3.2vw, 2.75rem);
  line-height: 1.02;
  max-width: 14ch;
}

.section-head.compact h2 {
  max-width: 18ch;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.feature-card {
  padding: 22px;
  border-radius: 24px;
}

.feature-index {
  display: inline-block;
  margin-bottom: 18px;
  font-family: "Space Grotesk", sans-serif;
  color: #80f0af;
}

.feature-card h3,
.timeline-item h3,
.install-card h3 {
  margin: 0;
  font-size: 1.15rem;
}

.split {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 24px;
  align-items: start;
}

.timeline {
  display: grid;
  gap: 16px;
}

.timeline-item {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 18px;
  padding: 20px;
  border-radius: 22px;
}

.timeline-item span {
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(30, 215, 96, 0.22), rgba(255, 248, 238, 0.12));
  font-family: "Space Grotesk", sans-serif;
  color: #98f2b7;
}

.keyword-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.keyword-cloud span {
  padding: 12px 16px;
  border-radius: 999px;
  border: 1px solid rgba(255, 248, 238, 0.12);
  background: rgba(255, 248, 238, 0.06);
  color: var(--sand);
}

.install-layout {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.install-card,
.final-panel {
  padding: 24px;
}

.clean-list li {
  padding: 10px 0;
  border-bottom: 1px solid rgba(255, 248, 238, 0.08);
}

.clean-list li:last-child {
  border-bottom: 0;
}

.final-panel {
  position: relative;
  overflow: hidden;
}

.final-panel::after {
  content: "";
  position: absolute;
  inset: auto -8% -48% auto;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(30, 215, 96, 0.32), transparent 68%);
  filter: blur(10px);
}

.footer {
  padding: 0 0 44px;
  color: var(--muted);
  font-size: 0.95rem;
}

.reveal {
  animation: fade-up 0.7s ease both;
}

@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {
  0%, 100% {
    transform: scaleY(0.92);
    opacity: 0.88;
  }
  50% {
    transform: scaleY(1.08);
    opacity: 1;
  }
}

@media (max-width: 1024px) {
  .hero,
  .split,
  .install-layout,
  .card-grid {
    grid-template-columns: 1fr;
  }

  .hero-stage {
    min-height: 640px;
  }
}

@media (max-width: 720px) {
  .topbar {
    padding: 14px 16px;
  }

  .nav {
    display: none;
  }

  .hero {
    padding-top: 72px;
  }

  .hero h1 {
    font-size: clamp(1.9rem, 9.8vw, 2.85rem);
    max-width: 100%;
  }

  .panel-main {
    inset: 0 0 184px 0;
  }

  .panel-card-a { right: 0; top: 344px; }
  .panel-card-b { right: 0; bottom: 92px; }
  .panel-card-c { left: 0; bottom: 0; width: 100%; }

  .panel-card {
    width: 100%;
  }

  .keyword-cloud span,
  .signal-row li {
    width: 100%;
  }
}