:root {
  --bg-deep: #0d0f1f;
  --bg: #141724;
  --gold: #ffd959;
  --text: #e6e6eb;
  --cyan: #40bff2;
  --muted: #8c949f;
  --panel: rgba(20, 23, 36, 0.55);
  --line: rgba(64, 191, 242, 0.16);
  --glow-cyan: rgba(64, 191, 242, 0.35);
  --glow-gold: rgba(255, 217, 89, 0.22);
  --font-display: "Oxanium", "Segoe UI", sans-serif;
  --font-body: "Figtree", "Segoe UI", sans-serif;
}

@font-face {
  font-family: "Oxanium";
  src: url("../fonts/Oxanium-Variable.ttf") format("truetype");
  font-weight: 200 800;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Figtree";
  src: url("../fonts/Figtree-Variable.ttf") format("truetype");
  font-weight: 300 900;
  font-style: normal;
  font-display: swap;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  font-weight: 400;
  color: var(--text);
  background: var(--bg-deep);
  line-height: 1.55;
  overflow-x: hidden;
}

a {
  color: var(--cyan);
  text-decoration: none;
}

a:hover {
  color: var(--gold);
}

.icon-sprite {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

.icon {
  width: 1.15em;
  height: 1.15em;
  flex-shrink: 0;
  display: block;
}

.icon--lg {
  width: 1.45rem;
  height: 1.45rem;
}

.icon--feature {
  width: 1.75rem;
  height: 1.75rem;
  color: var(--cyan);
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -3rem;
  z-index: 100;
  padding: 0.55rem 0.9rem;
  background: var(--gold);
  color: var(--bg-deep);
  font-family: var(--font-display);
  font-weight: 600;
  border-radius: 4px;
}

.skip-link:focus {
  top: 1rem;
  color: var(--bg-deep);
}

/* —— Atmosphere —— */
.atmosphere {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 90% 60% at 50% 12%, rgba(64, 191, 242, 0.14), transparent 55%),
    radial-gradient(ellipse 50% 40% at 82% 68%, rgba(255, 217, 89, 0.07), transparent 50%),
    radial-gradient(ellipse 40% 35% at 12% 88%, rgba(64, 191, 242, 0.09), transparent 45%),
    linear-gradient(180deg, var(--bg-deep) 0%, var(--bg) 42%, #0a0c18 100%);
}

.atmosphere::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(1.5px 1.5px at 12% 22%, rgba(230, 230, 235, 0.55), transparent),
    radial-gradient(1px 1px at 28% 68%, rgba(64, 191, 242, 0.7), transparent),
    radial-gradient(1.5px 1.5px at 72% 18%, rgba(255, 217, 89, 0.5), transparent),
    radial-gradient(1px 1px at 88% 42%, rgba(230, 230, 235, 0.4), transparent),
    radial-gradient(1.5px 1.5px at 54% 78%, rgba(64, 191, 242, 0.55), transparent),
    radial-gradient(1px 1px at 40% 35%, rgba(255, 217, 89, 0.35), transparent),
    radial-gradient(1px 1px at 65% 55%, rgba(230, 230, 235, 0.35), transparent);
  animation: drift-stars 28s linear infinite;
  opacity: 0.85;
}

.atmosphere::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(13, 15, 31, 0.55) 100%);
}

.microbes {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.microbe {
  position: absolute;
  border-radius: 50%;
  filter: blur(0.5px);
  opacity: 0.55;
  animation: float-microbe var(--dur, 16s) ease-in-out infinite;
  animation-delay: var(--delay, 0s);
}

.microbe--a {
  width: 9px;
  height: 9px;
  left: 18%;
  top: 42%;
  background: radial-gradient(circle at 35% 35%, #7ad8f8, var(--cyan) 55%, transparent 70%);
  box-shadow: 0 0 18px var(--glow-cyan);
  --dur: 14s;
}

.microbe--b {
  width: 14px;
  height: 14px;
  left: 62%;
  top: 28%;
  background: radial-gradient(circle at 40% 30%, #ffe89a, var(--gold) 50%, transparent 72%);
  box-shadow: 0 0 22px var(--glow-gold);
  --dur: 19s;
  --delay: -4s;
}

.microbe--c {
  width: 7px;
  height: 7px;
  left: 78%;
  top: 58%;
  background: radial-gradient(circle at 30% 40%, #9ee8ff, var(--cyan) 60%, transparent 75%);
  box-shadow: 0 0 14px var(--glow-cyan);
  --dur: 12s;
  --delay: -7s;
}

.microbe--d {
  width: 11px;
  height: 11px;
  left: 34%;
  top: 72%;
  background: radial-gradient(circle at 45% 25%, #fff0b8, var(--gold) 45%, transparent 70%);
  box-shadow: 0 0 16px var(--glow-gold);
  --dur: 17s;
  --delay: -2s;
}

.microbe--e {
  width: 6px;
  height: 6px;
  left: 48%;
  top: 18%;
  background: radial-gradient(circle at 40% 40%, #b8f0ff, var(--cyan) 60%, transparent 75%);
  box-shadow: 0 0 12px var(--glow-cyan);
  --dur: 21s;
  --delay: -9s;
}

@keyframes drift-stars {
  from { transform: translateY(0); }
  to { transform: translateY(-40px); }
}

@keyframes float-microbe {
  0%, 100% {
    transform: translate(0, 0) scale(1);
    opacity: 0.4;
  }
  40% {
    transform: translate(18px, -28px) scale(1.15);
    opacity: 0.75;
  }
  70% {
    transform: translate(-12px, -8px) scale(0.9);
    opacity: 0.5;
  }
}

@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 24px var(--glow-gold); }
  50% { box-shadow: 0 0 36px rgba(255, 217, 89, 0.45); }
}

/* —— Layout —— */
.site {
  position: relative;
  z-index: 1;
}

/* —— Top nav —— */
.topnav {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.1rem 1.5rem;
  max-width: 56rem;
  margin: 0 auto;
  animation: fade-up 0.7s ease-out both;
}

.topnav__brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-display);
  font-weight: 650;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  color: var(--gold);
}

.topnav__brand:hover {
  color: #ffe582;
}

.topnav__brand .icon {
  color: var(--cyan);
}

.topnav__links {
  display: flex;
  gap: 1.35rem;
}

.topnav__links a {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 550;
  letter-spacing: 0.04em;
  color: var(--muted);
}

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

/* —— Hero —— */
.hero {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 5.5rem 1.5rem 3.5rem;
  max-width: 52rem;
  margin: 0 auto;
}

.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  margin: 0 0 0.85rem;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cyan);
  animation: fade-up 0.9s ease-out both;
}

.brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.75rem, 9vw, 4.75rem);
  line-height: 1.05;
  letter-spacing: 0.02em;
  color: var(--gold);
  margin: 0 0 0.85rem;
  text-shadow: 0 0 40px var(--glow-gold);
  animation: fade-up 0.9s ease-out 0.06s both;
}

.tagline {
  margin: 0 0 2.25rem;
  font-size: clamp(1.05rem, 2.4vw, 1.3rem);
  color: var(--text);
  font-weight: 400;
  max-width: 28rem;
  animation: fade-up 0.9s ease-out 0.12s both;
}

.cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.35rem;
  animation: fade-up 0.9s ease-out 0.22s both;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 3.05rem;
  padding: 0.7rem 1.25rem;
  font-family: var(--font-display);
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  border-radius: 5px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, border-color 0.2s, box-shadow 0.2s, transform 0.15s;
}

.btn:active:not(.btn--disabled) {
  transform: translateY(1px);
}

.btn__label {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  line-height: 1.15;
  gap: 0.1rem;
}

.btn--primary {
  background: var(--gold);
  color: #141724;
  animation: pulse-glow 3.5s ease-in-out infinite;
}

.btn--primary:hover {
  background: #ffe582;
  color: #0d0f1f;
}

.btn--secondary {
  background: rgba(64, 191, 242, 0.06);
  color: var(--text);
  border-color: rgba(64, 191, 242, 0.45);
}

.btn--secondary:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  background: rgba(64, 191, 242, 0.12);
}

.btn--disabled,
.btn[aria-disabled="true"] {
  background: rgba(140, 148, 159, 0.1);
  color: var(--muted);
  border-color: rgba(140, 148, 159, 0.28);
  cursor: not-allowed;
  pointer-events: none;
  box-shadow: none;
  opacity: 0.72;
  animation: none;
}

.btn--disabled .soon,
.soon {
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.9;
}

.secondary-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1.1rem 1.5rem;
  animation: fade-up 0.9s ease-out 0.32s both;
}

.secondary-actions a {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--font-display);
  font-size: 0.88rem;
  font-weight: 550;
  letter-spacing: 0.03em;
  color: var(--muted);
  border-bottom: 1px solid transparent;
  padding-bottom: 0.15rem;
  transition: color 0.2s, border-color 0.2s;
}

.secondary-actions a:hover {
  color: var(--cyan);
  border-bottom-color: rgba(64, 191, 242, 0.45);
}

/* —— About —— */
.about {
  padding: 1rem 1.5rem 5.5rem;
  max-width: 44rem;
  margin: 0 auto;
}

.about h2 {
  font-family: var(--font-display);
  font-weight: 650;
  font-size: clamp(1.4rem, 3vw, 1.85rem);
  color: var(--cyan);
  margin: 0 0 0.9rem;
  letter-spacing: 0.03em;
}

.about__lead {
  margin: 0 0 2.5rem;
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 38rem;
}

.about__lead strong {
  color: var(--text);
  font-weight: 600;
}

.pillars {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.5rem;
}

.pillars li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  align-items: start;
  padding-top: 1.35rem;
  border-top: 1px solid var(--line);
}

.pillars h3 {
  margin: 0 0 0.3rem;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 650;
  letter-spacing: 0.03em;
  color: var(--gold);
}

.pillars p {
  margin: 0;
  color: var(--muted);
  font-size: 0.98rem;
}

@media (min-width: 700px) {
  .pillars {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.75rem;
  }

  .pillars li {
    grid-template-columns: 1fr;
    gap: 0.75rem;
    padding-top: 1.5rem;
  }
}

/* —— Footer —— */
.site-footer {
  border-top: 1px solid var(--line);
  background: rgba(10, 12, 24, 0.9);
  padding: 2.25rem 1.5rem 2.75rem;
}

.footer-inner {
  max-width: 52rem;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  align-items: flex-start;
}

.footer-brand {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}

.footer-brand .icon {
  color: var(--gold);
  margin-top: 0.15rem;
}

.footer-brand strong {
  display: block;
  font-family: var(--font-display);
  font-weight: 650;
  letter-spacing: 0.03em;
  color: var(--text);
  margin-bottom: 0.2rem;
}

.socials {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.socials a {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 0.75rem;
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 550;
  letter-spacing: 0.03em;
  color: var(--muted);
  border: 1px solid rgba(140, 148, 159, 0.22);
  border-radius: 5px;
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}

.socials a:hover {
  color: var(--gold);
  border-color: rgba(255, 217, 89, 0.4);
  background: rgba(255, 217, 89, 0.06);
}

.copyright {
  margin: 0;
  font-size: 0.82rem;
  color: var(--muted);
  font-weight: 400;
}

@media (min-width: 640px) {
  .footer-inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

@media (prefers-reduced-motion: reduce) {
  .atmosphere::before,
  .microbe,
  .topnav,
  .hero-kicker,
  .brand,
  .tagline,
  .cta-group,
  .secondary-actions,
  .btn--primary {
    animation: none;
  }
}