:root {
  --bg: #ffffff;
  --surface: #ffffff;
  --surface-soft: #eef4ff;
  --topbar: #421a8f;
  --topbar-deep: #0e2152;
  --blue-dark: #12284f;
  --blue-mid: #284b96;
  --blue-light: #dcecff;
  --purple: #5a2ca0;
  --purple-deep: #2a114d;
  --text: #0c1220;
  --text-soft: #35507a;
  --line: rgba(18, 40, 79, 0.16);
  --accent-red: #d21e2b;
  --accent-yellow: #f2c300;
  --white: #ffffff;
  --shadow: 0 16px 32px rgba(16, 31, 64, 0.1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Manrope", sans-serif;
  color: var(--text);
  background:
    linear-gradient(180deg, rgba(220, 236, 255, 0.35), transparent 18%),
    var(--bg);
}

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

.hero {
  padding: 0 0 72px;
}

.topbar {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
  padding: 18px clamp(20px, 4vw, 68px);
  background: linear-gradient(135deg, var(--topbar), var(--topbar-deep));
  border-bottom: 4px solid var(--accent-yellow);
}

.hero-content,
.section,
.cta-box {
  max-width: 1300px;
  margin: 0 auto;
}

.hero-content {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, 540px);
  gap: 38px;
  align-items: center;
  padding: 56px clamp(20px, 4vw, 68px) 0;
}

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

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 52px;
  height: 52px;
  background: linear-gradient(145deg, var(--accent-yellow), #fff0a8);
  color: var(--blue-dark);
  font-family: "Bebas Neue", sans-serif;
  font-size: 1.6rem;
  letter-spacing: 0.08em;
}

.brand-title,
.brand-subtitle,
.eyebrow,
.section-tag,
.card-kicker,
.cta-note {
  margin: 0;
}

.brand-title,
.brand-subtitle {
  color: var(--white);
}

.brand-title {
  font-weight: 800;
}

.brand-subtitle {
  opacity: 0.84;
  font-size: 0.95rem;
}

.menu-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px 14px;
}

.menu-links a {
  padding: 8px 0;
  color: rgba(255, 255, 255, 0.88);
  font-size: 0.96rem;
  font-weight: 700;
  border-bottom: 2px solid transparent;
  transition: color 160ms ease, border-color 160ms ease;
}

.menu-links a:hover {
  color: var(--white);
  border-color: var(--accent-yellow);
}

.eyebrow,
.section-tag {
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.78rem;
  font-weight: 800;
  color: var(--accent-red);
}

h1,
h2,
h3 {
  margin: 0 0 18px;
  line-height: 1.04;
}

h1,
h2 {
  font-family: "Bebas Neue", sans-serif;
  letter-spacing: 0.05em;
}

h1 {
  font-size: clamp(3rem, 7vw, 6.2rem);
  max-width: 13ch;
  margin-top: 14px;
}

h2 {
  font-size: clamp(2.3rem, 4.4vw, 4rem);
  max-width: 18ch;
  margin-top: 10px;
}

h3 {
  font-size: 1.42rem;
  line-height: 1.3;
  letter-spacing: 0.02em;
}

.hero-text,
.panel p,
.info-card p,
.warning-box p,
.cta-box p,
.detail-list li,
.feature-list li,
.mini-steps p,
.source-panel p {
  line-height: 1.8;
  color: var(--text-soft);
  font-size: 1rem;
}

.theme-dark p,
.theme-dark li,
.theme-dark h3,
.theme-dark .card-kicker,
.theme-purple p,
.theme-purple li,
.theme-purple h3,
.theme-purple .card-kicker {
  color: rgba(255, 255, 255, 0.92);
}

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

.hero-highlights {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.hero-highlights span {
  padding: 10px 14px;
  border: 1px solid rgba(18, 40, 79, 0.1);
  background: linear-gradient(135deg, rgba(220, 236, 255, 0.9), rgba(255, 255, 255, 1));
  font-size: 0.94rem;
  font-weight: 700;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 24px;
  border: 2px solid transparent;
  background: linear-gradient(135deg, var(--accent-red), #ef4a57);
  color: var(--white);
  font-weight: 800;
  box-shadow: var(--shadow);
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
  box-shadow: 0 20px 36px rgba(210, 30, 43, 0.18);
}

.button-outline,
.button-secondary {
  background: transparent;
  box-shadow: none;
}

.button-outline {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.45);
}

.button-secondary {
  color: var(--blue-dark);
  border-color: rgba(18, 40, 79, 0.18);
}

.button-large {
  min-height: 58px;
  padding: 0 32px;
  font-size: 1rem;
}

.product-showcase {
  display: grid;
  gap: 18px;
}

.product-stage,
.hero-card,
.panel,
.info-card,
.warning-box,
.cta-box {
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.product-stage {
  position: relative;
  min-height: 540px;
  display: grid;
  place-items: center;
  overflow: hidden;
  background:
    radial-gradient(circle at top, rgba(220, 236, 255, 0.95), transparent 38%),
    radial-gradient(circle at bottom left, rgba(90, 44, 160, 0.18), transparent 30%),
    linear-gradient(180deg, #ffffff, #f8fbff);
  transform-style: preserve-3d;
}

.product-glow {
  position: absolute;
  width: 340px;
  height: 340px;
  background: radial-gradient(circle, rgba(242, 195, 0, 0.75), rgba(90, 44, 160, 0.18), transparent 72%);
  filter: blur(28px);
  opacity: 0.8;
  transition: transform 180ms ease;
}

.product-orbit {
  position: absolute;
  inset: auto;
  border: 1px solid rgba(40, 75, 150, 0.18);
}

.orbit-one {
  width: 340px;
  height: 340px;
  animation: spin 16s linear infinite;
}

.orbit-two {
  width: 430px;
  height: 430px;
  border-style: dashed;
  border-color: rgba(90, 44, 160, 0.22);
  animation: spinReverse 22s linear infinite;
}

.product-image {
  position: relative;
  z-index: 2;
  width: min(82%, 370px);
  object-fit: contain;
  filter: drop-shadow(0 28px 38px rgba(16, 31, 64, 0.22));
  transform: translateZ(40px);
  transition: transform 180ms ease, filter 180ms ease;
}

.hero-card,
.panel,
.info-card,
.warning-box,
.cta-box {
  padding: 30px;
}

.card-kicker {
  color: var(--accent-yellow);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.8rem;
}

.feature-list,
.detail-list {
  margin: 20px 0 0;
  padding-left: 20px;
}

.feature-list li,
.detail-list li {
  margin-bottom: 12px;
}

.section {
  padding: 0 clamp(20px, 4vw, 68px) 84px;
}

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

.grid {
  display: grid;
  gap: 24px;
}

.two-columns {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.cards {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.theme-dark {
  background: linear-gradient(180deg, #173363, #0f2141);
  border-color: rgba(18, 40, 79, 0.22);
}

.theme-purple {
  background: linear-gradient(180deg, #5a2ca0, #32155f);
  border-color: rgba(90, 44, 160, 0.24);
}

.theme-light {
  background: linear-gradient(180deg, #f4f8ff, #deebff);
  border-color: rgba(40, 75, 150, 0.18);
}

.theme-light h3,
.theme-light p,
.theme-light li,
.theme-light .card-kicker {
  color: var(--blue-dark);
}

.highlight-panel {
  border-color: rgba(18, 40, 79, 0.2);
}

.mini-steps {
  display: grid;
  gap: 14px;
  margin-top: 22px;
}

.mini-steps div {
  padding: 18px;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.08), transparent 80%);
  border-left: 4px solid rgba(242, 195, 0, 0.8);
}

.mini-steps span {
  display: inline-block;
  margin-bottom: 8px;
  font-family: "Bebas Neue", sans-serif;
  font-size: 1.6rem;
  letter-spacing: 0.08em;
  color: var(--accent-yellow);
}

.accent-section {
  position: relative;
}

.accent-section::before {
  content: "";
  position: absolute;
  inset: 90px 0 0;
  background: linear-gradient(180deg, rgba(220, 236, 255, 0.42), rgba(255, 255, 255, 0));
  pointer-events: none;
}

.accent-section > * {
  position: relative;
}

.info-card {
  position: relative;
  overflow: hidden;
}

.info-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 6px;
  background: linear-gradient(180deg, var(--accent-yellow), var(--accent-red));
  opacity: 0.85;
}

.info-card::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 1px;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.28), transparent);
}

.warning-box {
  border-left: 6px solid var(--accent-yellow);
}

.source-panel {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 16px;
}

.cta-section {
  padding-bottom: 96px;
}

.cta-box {
  text-align: center;
  border: 1px solid rgba(40, 75, 150, 0.2);
}

.cta-box h2,
.cta-box p {
  margin-left: auto;
  margin-right: auto;
}

.cta-box h2 {
  max-width: 18ch;
}

.cta-box p {
  max-width: 780px;
}

.cta-note {
  margin-top: 14px;
  color: var(--accent-red);
  font-size: 0.92rem;
  font-weight: 700;
}

@keyframes spin {
  from {
    transform: rotate(0deg);
  }

  to {
    transform: rotate(360deg);
  }
}

@keyframes spinReverse {
  from {
    transform: rotate(360deg);
  }

  to {
    transform: rotate(0deg);
  }
}

@media (max-width: 1080px) {
  .topbar {
    grid-template-columns: 1fr;
    justify-items: start;
  }

  .menu-links {
    justify-content: flex-start;
  }

  .hero-content,
  .two-columns,
  .cards {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .hero {
    padding-bottom: 56px;
  }

  .hero-content {
    padding-top: 34px;
  }

  .product-stage {
    min-height: 380px;
  }

  .hero-card,
  .panel,
  .info-card,
  .warning-box,
  .cta-box {
    padding: 22px;
  }

  h1,
  h2 {
    max-width: 100%;
  }

  .button,
  .button-large {
    width: 100%;
  }

  .hero-actions {
    width: 100%;
  }
}