@import url("./tokens.css");

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

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

:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
}

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.wrap {
  width: min(1280px, calc(100% - 2.5rem));
  margin: 0 auto;
}

/* Atmosphere */
.page-bg {
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background:
    radial-gradient(ellipse 55% 45% at 12% 8%, rgba(61, 255, 168, 0.12), transparent 60%),
    radial-gradient(ellipse 45% 40% at 88% 18%, rgba(72, 229, 255, 0.08), transparent 55%),
    radial-gradient(ellipse 60% 50% at 50% 100%, rgba(26, 122, 76, 0.18), transparent 65%),
    linear-gradient(180deg, #020706 0%, var(--void) 40%, #061410 100%);
}

.page-bg::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.7), transparent 85%);
  opacity: 0.9;
}

.page-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(0deg,
      transparent,
      transparent 3px,
      rgba(61, 255, 168, 0.015) 3px,
      rgba(61, 255, 168, 0.015) 4px);
  pointer-events: none;
}

/* Nav */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  padding: 0.75rem 0;
  background: rgba(4, 9, 11, 0.82);
  backdrop-filter: blur(16px) saturate(1.2);
  border-bottom: 1px solid var(--line);
  transition: box-shadow 0.3s var(--ease);
}

.nav.is-scrolled {
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.45);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.nav-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
  z-index: 2;
}

.logo-mark {
  width: 2.15rem;
  height: 2.15rem;
  border-radius: 0.5rem;
  display: grid;
  place-items: center;
  background: linear-gradient(150deg, #0d2a1c, #04110c);
  color: var(--neon);
  border: 1px solid rgba(61, 255, 168, 0.35);
  box-shadow: var(--glow);
  overflow: hidden;
}

.logo-mark img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.35rem;
  font-size: 0.88rem;
  color: var(--text-dim);
}

.nav-links a {
  transition: color 0.2s var(--ease);
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--neon);
}

.nav-toggle {
  display: none;
  width: 2.5rem;
  height: 2.5rem;
  border: 1px solid var(--line);
  border-radius: 0.45rem;
  background: var(--panel);
  color: var(--text);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  z-index: 2;
}

.nav-toggle span {
  display: block;
  width: 1.1rem;
  height: 1.5px;
  background: currentColor;
  position: relative;
}

.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  position: absolute;
  left: 0;
  width: 100%;
  height: 100%;
  background: currentColor;
}

.nav-toggle span::before {
  top: -5px;
}

.nav-toggle span::after {
  top: 5px;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.7rem 1.25rem;
  border-radius: 0.45rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: -0.01em;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease), background 0.2s var(--ease), border-color 0.2s var(--ease);
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-solid {
  background: linear-gradient(135deg, var(--neon), #1ecf7a);
  color: #04110c;
  box-shadow: var(--glow);
}

.btn-solid:hover {
  box-shadow: 0 0 40px rgba(61, 255, 168, 0.35);
}

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

.btn-ghost:hover {
  border-color: rgba(61, 255, 168, 0.45);
  color: var(--neon);
}

.btn-leaf {
  background: rgba(61, 255, 168, 0.08);
  color: var(--neon);
  border-color: rgba(61, 255, 168, 0.28);
}

.btn-leaf:hover {
  background: rgba(61, 255, 168, 0.16);
}

.btn-sm {
  padding: 0.45rem 0.9rem;
  font-size: 0.8rem;
}

/* Eyebrow / status */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.3rem 0.75rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--neon);
  background: rgba(61, 255, 168, 0.08);
  border: 1px solid rgba(61, 255, 168, 0.22);
}

.eyebrow .dot {
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: var(--neon);
  box-shadow: 0 0 8px var(--neon);
  animation: pulseDot 1.8s ease-in-out infinite;
}

@keyframes pulseDot {

  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }

  50% {
    opacity: 0.55;
    transform: scale(0.85);
  }
}

/* Section helpers */
.section {
  padding: 4.5rem 0;
}

.section-head {
  margin-bottom: 2rem;
  max-width: 40rem;
}

.section-head h2 {
  margin: 0 0 0.55rem;
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.section-head p {
  margin: 0;
  color: var(--text-dim);
  font-size: 1rem;
}

.kicker {
  display: block;
  margin-bottom: 0.5rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cyan);
}

/* HUD panel */
.hud-panel {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 0.75rem;
  backdrop-filter: blur(12px);
  box-shadow: inset 0 1px 0 rgba(61, 255, 168, 0.08);
}

.hud-panel::before,
.hud-panel::after {
  content: "";
  position: absolute;
  width: 12px;
  height: 12px;
  border-color: var(--neon);
  border-style: solid;
  opacity: 0.7;
  pointer-events: none;
}

.hud-panel::before {
  top: 8px;
  left: 8px;
  border-width: 1.5px 0 0 1.5px;
}

.hud-panel::after {
  bottom: 8px;
  right: 8px;
  border-width: 0 1.5px 1.5px 0;
}

.hud-corners::before {
  content: "";
  position: absolute;
  top: 8px;
  right: 8px;
  width: 12px;
  height: 12px;
  border-style: solid;
  border-color: var(--neon);
  border-width: 1.5px 1.5px 0 0;
  opacity: 0.7;
  pointer-events: none;
}

.hud-corners::after {
  content: "";
  position: absolute;
  bottom: 8px;
  left: 8px;
  width: 12px;
  height: 12px;
  border-style: solid;
  border-color: var(--neon);
  border-width: 0 0 1.5px 1.5px;
  opacity: 0.7;
  pointer-events: none;
}

/* Digi meter */
.digi-meter {
  display: inline-flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 0.45rem 0.6rem;
  background: var(--terminal);
  border: 1px solid rgba(61, 255, 168, 0.25);
  border-radius: 0.35rem;
  min-width: 5.5rem;
}

.digi-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  font-size: 0.62rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.digi-lcd {
  font-family: var(--font-lcd);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--neon);
  letter-spacing: 0.04em;
  text-shadow: 0 0 12px rgba(61, 255, 168, 0.45);
  display: flex;
  align-items: baseline;
  gap: 0.2rem;
}

.digi-lcd small {
  font-size: 0.65rem;
  color: var(--text-dim);
  font-weight: 500;
}

.cloud-chip,
.cloud-tx {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.58rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--cyan);
}

.cloud-chip i,
.cloud-tx svg {
  width: 0.85rem;
  height: 0.85rem;
}

.cloud-chip i {
  display: inline-block;
  width: 0.4rem;
  height: 0.4rem;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 6px var(--cyan);
}

.bar {
  height: 3px;
  background: rgba(61, 255, 168, 0.12);
  border-radius: 2px;
  overflow: hidden;
}

.bar i {
  display: block;
  height: 100%;
  width: 69%;
  background: linear-gradient(90deg, var(--leaf), var(--neon));
  border-radius: 2px;
  transition: width 0.8s var(--ease);
}

.digi-water-tone .digi-lcd {
  color: var(--water);
  text-shadow: 0 0 12px rgba(59, 163, 201, 0.45);
}

.digi-temp-tone .digi-lcd {
  color: var(--temp);
  text-shadow: 0 0 12px rgba(232, 154, 60, 0.45);
}

/* Icon tint for black silhouettes */
.icon-neon {
  filter: invert(78%) sepia(48%) saturate(500%) hue-rotate(93deg) brightness(105%) contrast(105%);
  opacity: 0.9;
}

.icon-cyan {
  filter: invert(78%) sepia(42%) saturate(900%) hue-rotate(152deg) brightness(105%) contrast(100%);
}

.icon-gold {
  filter: invert(72%) sepia(55%) saturate(700%) hue-rotate(5deg) brightness(95%) contrast(95%);
}

.icon-water {
  filter: invert(62%) sepia(42%) saturate(600%) hue-rotate(155deg) brightness(95%) contrast(90%);
}

.icon-temp {
  filter: invert(68%) sepia(55%) saturate(800%) hue-rotate(340deg) brightness(100%) contrast(90%);
}

/* Reveal */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.reveal.in {
  opacity: 1;
  transform: none;
}

/* Footer */
footer {
  padding: 2.5rem 0 3rem;
  border-top: 1px solid var(--line);
  color: var(--text-dim);
  font-size: 0.85rem;
}

footer .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

footer strong {
  color: var(--text);
}

footer a {
  color: var(--text-dim);
  transition: color 0.2s;
}

footer a:hover {
  color: var(--neon);
}

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

/* Mobile nav */
@media (max-width: 860px) {
  .nav-toggle {
    display: inline-flex;
  }

  .nav-links {
    position: fixed;
    inset: 0 0 auto 0;
    top: 0;
    padding: 5rem 1.5rem 1.5rem;
    flex-direction: column;
    align-items: flex-start;
    gap: 1.1rem;
    background: rgba(4, 9, 11, 0.97);
    border-bottom: 1px solid var(--line);
    transform: translateY(-110%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.35s var(--ease), opacity 0.35s var(--ease);
  }

  body.nav-open .nav-links {
    transform: none;
    opacity: 1;
    pointer-events: auto;
  }

  .nav-actions .btn {
    display: none;
  }

  body.nav-open {
    overflow: hidden;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .eyebrow .dot {
    animation: none;
  }

  .btn:hover {
    transform: none;
  }
}