:root {
  --ink: #0b1220;
  --ink-soft: #121b2e;
  --steel: #7f93b0;
  --steel-bright: #b7c5d9;
  --paper: #e8eef7;
  --amber: #e8a317;
  --amber-deep: #c4840a;
  --line: rgba(183, 197, 217, 0.18);
  --font-display: "Syne", sans-serif;
  --font-body: "Manrope", sans-serif;
  --space: clamp(1.25rem, 3vw, 2.5rem);
  --max: 68rem;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.55;
  background: var(--ink);
  overflow-x: hidden;
}

.atmosphere {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse 90% 60% at 80% 10%, rgba(56, 90, 140, 0.35), transparent 55%),
    radial-gradient(ellipse 70% 50% at 10% 90%, rgba(232, 163, 23, 0.08), transparent 50%),
    linear-gradient(165deg, #0b1220 0%, #101a2c 45%, #0a101c 100%);
}

.atmosphere::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(183, 197, 217, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(183, 197, 217, 0.045) 1px, transparent 1px);
  background-size: 48px 48px;
  animation: drift 28s linear infinite;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 30%, #000 20%, transparent 75%);
}

@keyframes drift {
  from { transform: translate3d(0, 0, 0); }
  to { transform: translate3d(-48px, -48px, 0); }
}

.hero {
  min-height: 100vh;
  min-height: 100dvh;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: end;
  gap: var(--space);
  padding: clamp(1.5rem, 4vw, 3rem);
  padding-bottom: clamp(2.5rem, 6vw, 4.5rem);
  max-width: var(--max);
  margin: 0 auto;
}

.hero__content {
  max-width: 34rem;
  opacity: 0;
  transform: translateY(1.25rem);
  animation: rise 0.9s cubic-bezier(0.22, 1, 0.36, 1) 0.1s forwards;
}

.brand {
  margin: 0 0 1.25rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.75rem, 8vw, 4.75rem);
  line-height: 0.95;
  letter-spacing: -0.04em;
  color: var(--paper);
}

.headline {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.45rem, 3.2vw, 2rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--steel-bright);
}

.support {
  margin: 0 0 2rem;
  max-width: 28rem;
  color: var(--steel);
}

.cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.85rem;
  padding: 0.7rem 1.25rem;
  border: 1px solid transparent;
  border-radius: 0.35rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.btn--primary {
  background: var(--amber);
  color: #1a1200;
}

.btn--primary:hover {
  background: var(--amber-deep);
  color: #120c00;
  transform: translateY(-1px);
}

.btn--ghost {
  background: transparent;
  color: var(--paper);
  border-color: var(--line);
}

.btn--ghost:hover {
  border-color: var(--steel-bright);
  color: #fff;
}

.btn--compact {
  min-height: 2.4rem;
  padding: 0.55rem 1rem;
  flex-shrink: 0;
}

.hero__visual {
  position: relative;
  min-height: clamp(14rem, 42vh, 26rem);
  opacity: 0;
  transform: translateY(1.5rem);
  animation: rise 1s cubic-bezier(0.22, 1, 0.36, 1) 0.25s forwards;
}

.hero__plane {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(232, 163, 23, 0.55) 0%, transparent 42%),
    linear-gradient(200deg, #1c2d4a 0%, #0d1626 55%, #152238 100%);
  clip-path: polygon(12% 0, 100% 0, 100% 78%, 0 100%, 0 18%);
}

.hero__plane::before {
  content: "";
  position: absolute;
  inset: 12% 8% 18% 18%;
  border: 1px solid rgba(232, 163, 23, 0.35);
  clip-path: polygon(8% 0, 100% 0, 100% 72%, 0 100%, 0 16%);
}

.hero__plane::after {
  content: "";
  position: absolute;
  right: 10%;
  bottom: 22%;
  width: 42%;
  height: 28%;
  background: repeating-linear-gradient(
    -18deg,
    transparent,
    transparent 10px,
    rgba(183, 197, 217, 0.12) 10px,
    rgba(183, 197, 217, 0.12) 11px
  );
}

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

.tools {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(3rem, 8vw, 6rem) clamp(1.5rem, 4vw, 3rem);
}

.tools__intro {
  margin-bottom: 2.5rem;
  max-width: 28rem;
}

.tools__intro h2 {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  letter-spacing: -0.03em;
}

.tools__intro p {
  margin: 0;
  color: var(--steel);
}

.tools__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.tool {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--line);
  opacity: 0;
  transform: translateY(0.85rem);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.tool.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.tool__copy {
  min-width: 0;
}

.tool__copy h3 {
  margin: 0 0 0.35rem;
  font-family: var(--font-display);
  font-size: 1.2rem;
  letter-spacing: -0.02em;
}

.tool__copy p {
  margin: 0;
  color: var(--steel);
  max-width: 38rem;
}

.tool--live {
  background: linear-gradient(90deg, rgba(232, 163, 23, 0.06), transparent 55%);
  margin: 0 -0.75rem;
  padding-left: 0.75rem;
  padding-right: 0.75rem;
  border-radius: 0.25rem;
}

.status {
  flex-shrink: 0;
  color: var(--steel);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.footer {
  max-width: var(--max);
  margin: 0 auto;
  padding: 2rem clamp(1.5rem, 4vw, 3rem) 3rem;
  border-top: 1px solid var(--line);
  color: var(--steel);
  font-size: 0.95rem;
}

.footer p {
  margin: 0 0 0.35rem;
}

.footer strong {
  color: var(--paper);
  font-family: var(--font-display);
  font-weight: 700;
}

.footer__note {
  font-size: 0.85rem;
}

@media (max-width: 800px) {
  .hero {
    grid-template-columns: 1fr;
    align-items: start;
    min-height: auto;
    padding-top: 2.5rem;
  }

  .hero__visual {
    order: -1;
    min-height: 12rem;
  }

  .brand {
    font-size: clamp(2.5rem, 14vw, 3.5rem);
  }

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

@media (prefers-reduced-motion: reduce) {
  .atmosphere::after {
    animation: none;
  }

  .hero__content,
  .hero__visual,
  .tool {
    opacity: 1;
    transform: none;
    animation: none;
    transition: none;
  }
}