:root {
  --bg: #f4efe8;
  --bg-strong: #fff8f1;
  --ink: #14110f;
  --muted: #5f564f;
  --line: rgba(20, 17, 15, 0.1);
  --card: rgba(255, 251, 245, 0.74);
  --accent: #ff7a38;
  --accent-deep: #d8581e;
  --accent-soft: rgba(255, 122, 56, 0.18);
  --ocean: #005f73;
  --shadow: 0 24px 70px rgba(56, 38, 23, 0.16);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --container: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(255, 156, 109, 0.34), transparent 26%),
    radial-gradient(circle at right 20%, rgba(0, 95, 115, 0.18), transparent 28%),
    linear-gradient(180deg, #fcf7f2 0%, #f4efe8 44%, #efe6dc 100%);
}

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

button,
a.button {
  transition:
    transform 180ms ease,
    background-color 180ms ease,
    border-color 180ms ease,
    color 180ms ease,
    box-shadow 180ms ease;
}

.page-shell {
  width: min(calc(100% - 32px), var(--container));
  margin: 0 auto;
  padding: 24px 0 56px;
}

.topbar {
  position: sticky;
  top: 18px;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 16px 18px;
  background: rgba(255, 250, 244, 0.76);
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: 999px;
  backdrop-filter: blur(18px);
  box-shadow: 0 20px 45px rgba(52, 33, 18, 0.08);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  letter-spacing: -0.04em;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--accent), #ffb06b);
  color: #fff;
  box-shadow: 0 16px 28px rgba(255, 122, 56, 0.28);
}

.brand-name {
  font-size: 1.1rem;
}

.nav {
  display: inline-flex;
  align-items: center;
  gap: 26px;
  color: var(--muted);
}

.nav a:hover,
.nav a:focus-visible {
  color: var(--ink);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 52px;
  padding: 0 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
}

.button-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--accent), var(--accent-deep));
  box-shadow: 0 18px 38px rgba(216, 88, 30, 0.28);
}

.button-secondary,
.button-ghost {
  background: rgba(255, 255, 255, 0.56);
  border-color: rgba(20, 17, 15, 0.1);
}

.hero {
  display: grid;
  grid-template-columns: 1.02fr 0.98fr;
  gap: 48px;
  align-items: center;
  padding: 88px 0 72px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.5);
  border: 1px solid rgba(20, 17, 15, 0.08);
  color: var(--ocean);
  font-size: 0.88rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.hero h1,
.section-heading h2,
.band-copy h2,
.cta h2 {
  margin: 0;
  letter-spacing: -0.06em;
  line-height: 0.96;
}

.hero h1 {
  font-size: clamp(3.2rem, 7vw, 6.4rem);
}

.hero h1 em {
  display: block;
  margin-top: 12px;
  font-family: "Instrument Serif", Georgia, serif;
  font-style: italic;
  font-weight: 400;
  color: var(--accent-deep);
}

.hero-text,
.feature-card p,
.timeline p,
.impact-card p,
.cta p {
  color: var(--muted);
  line-height: 1.7;
  font-size: 1.04rem;
}

.hero-text {
  max-width: 620px;
  margin: 26px 0 0;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin: 34px 0 0;
  padding: 0;
  list-style: none;
}

.stats li,
.feature-card,
.timeline article,
.impact-card,
.cta,
.device-card {
  background: var(--card);
  border: 1px solid rgba(255, 255, 255, 0.7);
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}

.stats li {
  padding: 20px;
  border-radius: var(--radius-md);
}

.stats strong {
  display: block;
  margin-bottom: 6px;
  font-size: 1.7rem;
  letter-spacing: -0.05em;
}

.stats span {
  color: var(--muted);
  line-height: 1.5;
  font-size: 0.94rem;
}

.hero-visual {
  position: relative;
  min-height: 620px;
  display: grid;
  place-items: center;
}

.glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(16px);
}

.glow-sun {
  top: 42px;
  right: 18px;
  width: 180px;
  height: 180px;
  background: rgba(255, 170, 122, 0.5);
}

.glow-ice {
  bottom: 50px;
  left: 20px;
  width: 220px;
  height: 220px;
  background: rgba(0, 95, 115, 0.24);
}

.device-card {
  position: relative;
  width: min(100%, 520px);
  padding: 18px;
  border-radius: 34px;
  transform: rotate(-4deg);
  animation: drift 7s ease-in-out infinite;
}

.device-top {
  display: flex;
  gap: 8px;
  margin-bottom: 18px;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.dot-red {
  background: #ef476f;
}

.dot-gold {
  background: #ffd166;
}

.dot-green {
  background: #06d6a0;
}

.chat-layout {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 14px;
}

.side-panel,
.chat-window {
  min-height: 420px;
  padding: 18px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(20, 17, 15, 0.08);
}

.side-panel {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.panel-chip {
  padding: 14px;
  border-radius: 16px;
  background: rgba(20, 17, 15, 0.04);
  color: var(--muted);
  font-weight: 500;
}

.panel-chip.active {
  background: linear-gradient(135deg, var(--accent-soft), rgba(0, 95, 115, 0.09));
  color: var(--ink);
}

.chat-window {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.message {
  max-width: 88%;
  padding: 14px 16px;
  border-radius: 18px;
  line-height: 1.6;
}

.message.agent {
  align-self: flex-start;
  background: rgba(20, 17, 15, 0.06);
}

.message.user {
  align-self: flex-end;
  background: linear-gradient(135deg, var(--accent), #ff9a52);
  color: #fff;
}

.message.highlight {
  background: linear-gradient(135deg, rgba(0, 95, 115, 0.12), rgba(255, 122, 56, 0.12));
}

.signal-card {
  margin-top: auto;
  padding: 18px;
  border-radius: 20px;
  background: linear-gradient(135deg, rgba(20, 17, 15, 0.96), rgba(0, 95, 115, 0.92));
  color: #fff;
}

.signal-card small {
  display: block;
  margin-bottom: 6px;
  color: rgba(255, 255, 255, 0.75);
}

.signal-card strong {
  font-size: 2.6rem;
  letter-spacing: -0.05em;
}

.section-grid,
.section-band,
.quote-block {
  padding: 42px 0;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 26px;
}

.section-heading h2,
.band-copy h2,
.cta h2 {
  font-size: clamp(2.2rem, 4vw, 4.1rem);
}

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

.feature-card {
  padding: 28px;
  border-radius: var(--radius-lg);
}

.feature-index {
  display: inline-block;
  margin-bottom: 16px;
  color: var(--accent-deep);
  font-weight: 700;
  letter-spacing: 0.08em;
}

.feature-card h3,
.timeline h3 {
  margin: 0 0 10px;
  font-size: 1.4rem;
  letter-spacing: -0.04em;
}

.section-band {
  margin-top: 18px;
  padding: 34px;
  border-radius: 36px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.64), rgba(255, 239, 222, 0.8));
  border: 1px solid rgba(255, 255, 255, 0.7);
}

.timeline {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 26px;
}

.timeline article {
  padding: 26px;
  border-radius: 28px;
}

.timeline span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin-bottom: 18px;
  border-radius: 14px;
  background: rgba(255, 122, 56, 0.12);
  color: var(--accent-deep);
  font-weight: 700;
}

.quote-block {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 24px;
  align-items: stretch;
}

.quote-block blockquote {
  margin: 0;
  font-family: "Instrument Serif", Georgia, serif;
  font-size: clamp(2.1rem, 4vw, 4rem);
  line-height: 1.04;
  letter-spacing: -0.05em;
}

.impact-card {
  display: grid;
  gap: 8px;
  padding: 28px;
  border-radius: 30px;
}

.impact-card strong {
  margin-bottom: 12px;
  font-size: 1.32rem;
  letter-spacing: -0.04em;
}

.cta {
  margin-top: 28px;
  padding: 36px;
  border-radius: 36px;
  text-align: center;
}

.cta p {
  max-width: 720px;
  margin: 18px auto 28px;
}

@keyframes drift {
  0%,
  100% {
    transform: rotate(-4deg) translateY(0);
  }
  50% {
    transform: rotate(-2deg) translateY(-10px);
  }
}

@media (max-width: 1080px) {
  .hero,
  .quote-block,
  .feature-grid,
  .timeline {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 56px;
  }

  .hero-visual {
    min-height: auto;
  }

  .device-card {
    transform: none;
    animation: none;
  }
}

@media (max-width: 820px) {
  .page-shell {
    width: min(calc(100% - 20px), var(--container));
    padding-top: 16px;
  }

  .topbar {
    position: static;
    flex-wrap: wrap;
    justify-content: center;
    border-radius: 28px;
  }

  .nav {
    order: 3;
    width: 100%;
    justify-content: center;
    gap: 18px;
    font-size: 0.95rem;
  }

  .hero h1 {
    font-size: clamp(2.6rem, 14vw, 4.1rem);
  }

  .stats {
    grid-template-columns: 1fr;
  }

  .chat-layout {
    grid-template-columns: 1fr;
  }

  .side-panel,
  .chat-window {
    min-height: auto;
  }
}

@media (max-width: 560px) {
  .button,
  .button-ghost {
    width: 100%;
  }

  .hero-actions {
    flex-direction: column;
  }

  .section-band,
  .cta,
  .feature-card,
  .timeline article {
    padding: 22px;
    border-radius: 24px;
  }

  .quote-block blockquote {
    font-size: 2.3rem;
  }
}