:root {
  color-scheme: dark light;
  --bg: #15141c;
  --bg-elevated: #1b1c38;
  --bg-elevated-soft: rgba(13, 17, 40, 0.85);
  --bg-alt: #050814;
  --border-subtle: rgba(255, 255, 255, 0.08);
  --accent: #3d4bee;
  --accent-soft: rgba(94, 139, 255, 0.16);
  --accent-strong: #9b6bff;
  --text: #f7f7ff;
  --text-muted: #a4a7c4;
  --eyebrow: #7e8fff;
  --danger: #ff6b81;
  --shadow-soft: 0 18px 45px rgba(4, 6, 22, 0.9);
  --radius-lg: 24px;
  --radius-md: 14px;
  --radius-pill: 999px;
  --container-max: 1120px;
}

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

html,
body {
  margin: 0;
  padding: 0;
}

body {
  min-height: 100vh;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Inter", sans-serif;
  background: radial-gradient(circle at top, #202353 0, #1b1c38 50%, #15141c 100%);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}

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

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: 1.25rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(18px);
  background: linear-gradient(
    to bottom,
    rgba(5, 8, 20, 0.9),
    rgba(5, 8, 20, 0.7),
    transparent
  );
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 0.85rem;
  gap: 1.25rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
  color: inherit;
}

.brand-mark {
  width: 32px;
  height: 32px;
  border-radius: 999px;
  background: radial-gradient(circle at 30% 0, #ffe48f 0, #ff8fba 32%, #5e8bff 70%, #181d3a 100%);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: #050814;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.3), 0 12px 30px rgba(0, 0, 0, 0.7);
}

.brand-text {
  display: flex;
  flex-direction: column;
  gap: 0.05rem;
}

.brand-title {
  font-weight: 700;
  letter-spacing: 0.08em;
  font-size: 0.8rem;
  text-transform: uppercase;
}

.brand-subtitle {
  font-size: 0.7rem;
  text-transform: none;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-list a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  position: relative;
  padding-block: 0.25rem;
}

.nav-list a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, #ff8fba, #ffe48f, #5e8bff);
  transition: width 140ms ease-out;
}

.nav-list a:hover::after,
.nav-list a:focus-visible::after {
  width: 100%;
}

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: radial-gradient(circle at 0 0, #131933 0, #050814 55%, #050814 100%);
  display: none;
  align-items: center;
  justify-content: center;
  gap: 5px;
}

.nav-toggle-bar {
  width: 16px;
  height: 2px;
  border-radius: 999px;
  background: #fff;
}

.hero {
  padding-block: 3.5rem 3rem;
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(0, 1.1fr);
  gap: clamp(2.25rem, 4vw, 3rem);
  align-items: center;
}

.nav-cta {
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

.eyebrow {
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--eyebrow);
  margin-bottom: 0.7rem;
}

.hero h1 {
  font-size: clamp(2.8rem, 5vw, 3.8rem);
  line-height: 1.1;
  margin: 0 0 0.9rem;
}

.hero-accent {
  color: #e2ff70;
}

.hero-text {
  margin: 0;
  color: var(--text-muted);
  max-width: 34rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-pill);
  padding: 0.65rem 1.3rem;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 120ms ease-out, box-shadow 120ms ease-out, background 120ms ease-out,
    border-color 120ms ease-out;
}

.btn.small {
  padding-inline: 1rem;
  padding-block: 0.45rem;
  font-size: 0.75rem;
}

.btn.primary {
  background: linear-gradient(135deg, #ff8fba, #ffe48f, #5e8bff);
  color: #050814;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.9);
}

.btn.primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 22px 55px rgba(0, 0, 0, 1);
}

.btn.ghost {
  background: rgba(21, 20, 28, 0.8);
  color: var(--text);
  border-color: #e2ff70;
}

.btn.ghost:hover {
  border-color: rgba(255, 255, 255, 0.35);
  background: rgba(9, 13, 31, 0.95);
}

.hero-card {
  display: none;
}

.hero-media {
  border-radius: 40px;
  min-height: 320px;
  background:
    radial-gradient(circle at 20% 0, rgba(226, 255, 112, 0.3) 0, transparent 45%),
    radial-gradient(circle at 80% 0, rgba(93, 95, 255, 0.8) 0, transparent 60%),
    radial-gradient(circle at 50% 60%, rgba(10, 10, 24, 1) 0, rgba(3, 4, 15, 1) 65%);
  box-shadow: 0 40px 90px rgba(0, 0, 0, 0.95);
}

.section {
  padding-block: 2.75rem;
}

.section-alt {
  background: radial-gradient(circle at top left, rgba(74, 105, 189, 0.12) 0, transparent 50%);
}

.band-scenarios {
  background: radial-gradient(circle at top, rgba(32, 35, 83, 0.8) 0, rgba(21, 20, 28, 1) 60%);
}

.band-calc {
  background: radial-gradient(circle at top, rgba(32, 35, 83, 0.85) 0, rgba(21, 20, 28, 1) 60%);
}

.band-portfolio {
  background: radial-gradient(circle at top, rgba(32, 35, 83, 0.85) 0, rgba(21, 20, 28, 1) 60%);
}

.band-download {
  background: radial-gradient(circle at top, rgba(32, 35, 83, 0.9) 0, rgba(21, 20, 28, 1) 60%);
}

.section-inner {
  display: flex;
  flex-direction: column;
  gap: 1.9rem;
}

.section-header {
  max-width: 40rem;
}

.section-header h2 {
  margin: 0 0 0.6rem;
  font-size: 1.9rem;
}

.section-lead {
  margin: 0;
  color: var(--text-muted);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
}

.info-card,
.pill-card {
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  background: radial-gradient(circle at top, rgba(14, 22, 57, 0.8) 0, #050814 65%);
  padding: 1.1rem 1.1rem 1rem;
}

.pill-card {
  background: linear-gradient(145deg, rgba(94, 139, 255, 0.2), rgba(5, 8, 20, 0.95));
}

.info-card h3,
.pill-card h3 {
  margin: 0 0 0.45rem;
  font-size: 1rem;
}

.info-card p,
.pill-card p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  border-left: 1px solid rgba(255, 255, 255, 0.15);
}

.timeline-item {
  position: relative;
  padding-left: 1.5rem;
  padding-bottom: 1.25rem;
}

.timeline-dot {
  position: absolute;
  left: -0.375rem;
  top: 0.25rem;
  width: 0.75rem;
  height: 0.75rem;
  border-radius: 50%;
  background: linear-gradient(135deg, #ff8fba, #ffe48f, #5e8bff);
  box-shadow: 0 0 0 4px rgba(94, 139, 255, 0.25);
}

.timeline-content h3 {
  margin: 0 0 0.25rem;
  font-size: 1rem;
}

.timeline-content p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.faq-list {
  display: grid;
  gap: 0.75rem;
}

.faq-item {
  border-radius: 14px;
  border: 1px solid var(--border-subtle);
  background: rgba(5, 8, 20, 0.9);
  padding: 0.75rem 0.95rem;
}

.faq-item summary {
  list-style: none;
  cursor: pointer;
  font-weight: 500;
}

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

.faq-item p {
  margin: 0.4rem 0 0;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.contact-form {
  display: grid;
  gap: 0.85rem;
  max-width: 28rem;
}

.download-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.form-row {
  display: grid;
  gap: 0.3rem;
}

.form-row label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--text-muted);
}

input,
textarea {
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(5, 8, 20, 0.9);
  color: var(--text);
  padding: 0.55rem 0.7rem;
  font: inherit;
}

textarea {
  resize: vertical;
}

input:focus-visible,
textarea:focus-visible {
  outline: 2px solid rgba(94, 139, 255, 0.8);
  outline-offset: 1px;
}

.site-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background: radial-gradient(circle at top, rgba(11, 19, 54, 0.7) 0, #050814 60%);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.footer-left {
  max-width: 320px;
}

.brand-footer {
  margin-bottom: 0.75rem;
}

.footer-copy {
  margin: 0 0 0.75rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.footer-columns {
  display: flex;
  gap: 3rem;
  font-size: 0.85rem;
}

.footer-col h3 {
  margin: 0 0 0.55rem;
  font-size: 0.95rem;
  color: var(--text);
}

.footer-col a {
  display: block;
  color: var(--text-muted);
  text-decoration: none;
  margin-bottom: 0.4rem;
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-block: 0.9rem;
}

.footer-bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  gap: 1rem;
}

.footer-links a {
  color: inherit;
  text-decoration: none;
}

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

.back-to-top {
  color: inherit;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.75rem;
}

@media (max-width: 768px) {
  .header-inner {
    padding-block: 0.7rem;
  }

  .nav-list {
    position: fixed;
    inset-inline: 1.25rem;
    top: 3.1rem;
    border-radius: 18px;
    padding: 0.75rem 0.9rem;
    background: rgba(5, 8, 20, 0.97);
    border: 1px solid rgba(255, 255, 255, 0.12);
    flex-direction: column;
    align-items: flex-start;
    transform-origin: top;
    transform: scaleY(0.9);
    opacity: 0;
    pointer-events: none;
    transition: opacity 150ms ease-out, transform 150ms ease-out;
  }

  .nav-list.is-open {
    opacity: 1;
    transform: scaleY(1);
    pointer-events: auto;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .hero {
    padding-block: 3rem 2.5rem;
  }

  .hero-inner {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero-card {
    order: -1;
  }

  .hero-media {
    order: -1;
  }

  .grid-3 {
    grid-template-columns: minmax(0, 1fr);
  }

  .timeline {
    border-left: none;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    padding-top: 0.85rem;
  }

  .timeline-item {
    padding-left: 0;
  }

  .timeline-dot {
    left: 0.2rem;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-columns {
    flex-direction: column;
    gap: 1.5rem;
  }

  .footer-bottom-inner {
    flex-direction: column-reverse;
    align-items: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}