/* ATLAS — Subnautica 2 companion (WIP) */
:root {
  --sn2-bg: #061018;
  --sn2-ink: #0a1820;
  --sn2-sand: #e4f4f8;
  --sn2-mist: #8eb8c4;
  --sn2-cyan: #2ec8d8;
  --sn2-teal: #1a9aaa;
  --sn2-deep: #0d6a78;
  --sn2-line: rgba(46, 200, 216, 0.35);
  --atlas-content-max: 1520px;
  --atlas-page-gutter: 1.75rem;
  --atlas-shell-accent: #2ec8d8;
  --atlas-shell-accent-soft: rgba(46, 200, 216, 0.1);
  --atlas-shell-accent-border: rgba(46, 200, 216, 0.4);
  --atlas-shell-ink: #0a1820;
  --atlas-shell-sand: #e4f4f8;
  --atlas-shell-mist: #8eb8c4;
  --atlas-shell-line: rgba(46, 200, 216, 0.28);
  --font-display: "Orbitron", system-ui, sans-serif;
  --font-body: "Exo 2", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background: var(--sn2-bg);
  color: var(--sn2-sand);
  font-family: var(--font-body);
}

.sn2-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 70% 45% at 75% 15%, rgba(46, 200, 216, 0.14), transparent 58%),
    radial-gradient(ellipse 50% 40% at 15% 85%, rgba(13, 106, 120, 0.28), transparent 52%),
    linear-gradient(180deg, #0a1c28 0%, #061018 52%, #040c12 100%);
}

.sn2-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 160px 160px;
}

.sn2-topbar {
  background: linear-gradient(180deg, rgba(6, 16, 24, 0.92) 0%, rgba(6, 16, 24, 0.35) 70%, transparent 100%);
}

.atlas-nav-btn {
  border-color: rgba(46, 200, 216, 0.28);
  background: linear-gradient(
    145deg,
    rgba(46, 200, 216, 0.12) 0%,
    rgba(10, 28, 36, 0.3) 48%,
    rgba(26, 154, 170, 0.06) 100%
  );
}

.atlas-nav-btn:hover,
.atlas-nav-btn:focus-visible {
  border-color: rgba(80, 220, 230, 0.5);
  background: linear-gradient(
    108deg,
    rgba(46, 200, 216, 0.28) 0%,
    rgba(26, 154, 170, 0.24) 55%,
    rgba(46, 200, 216, 0.12) 100%
  );
  box-shadow:
    0 0 0 1px rgba(80, 220, 230, 0.16),
    0 0 18px rgba(46, 200, 216, 0.2),
    inset 0 1px 0 rgba(200, 245, 250, 0.12);
}

.sn2-lang button {
  border-color: rgba(46, 200, 216, 0.3);
  background: linear-gradient(
    145deg,
    rgba(46, 200, 216, 0.12) 0%,
    rgba(10, 28, 36, 0.3) 48%,
    rgba(26, 154, 170, 0.06) 100%
  );
  color: rgba(200, 230, 236, 0.9);
}

.sn2-lang button:hover,
.sn2-lang button:focus-visible {
  border-color: rgba(80, 220, 230, 0.5);
  background: linear-gradient(
    108deg,
    rgba(46, 200, 216, 0.28) 0%,
    rgba(26, 154, 170, 0.24) 100%
  );
}

.sn2-lang button.active {
  border-color: rgba(46, 200, 216, 0.5);
  background: linear-gradient(
    108deg,
    rgba(10, 60, 70, 0.45) 0%,
    rgba(46, 200, 216, 0.42) 50%,
    rgba(26, 154, 170, 0.18) 100%
  );
  color: #f0fafc;
}

main {
  position: relative;
  z-index: 1;
}

.sn2-wip {
  width: min(var(--atlas-content-max, 1520px), calc(100% - 2 * var(--atlas-page-gutter, 1.75rem)));
  margin: 1.25rem auto 0;
  padding: 1rem 1.15rem;
  border: 1px solid rgba(46, 200, 216, 0.4);
  border-left: 4px solid var(--sn2-cyan);
  border-radius: 6px;
  background: rgba(8, 36, 48, 0.75);
  animation: sn2-in 0.7s ease-out both;
}

.sn2-wip strong {
  display: inline-block;
  margin-bottom: 0.35rem;
  font-family: var(--font-display);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--sn2-cyan);
}

.sn2-wip p {
  margin: 0;
  color: var(--sn2-mist);
  line-height: 1.5;
  max-width: 48rem;
}

.sn2-hero {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 2rem;
  align-items: center;
  width: min(var(--atlas-content-max, 1520px), calc(100% - 2 * var(--atlas-page-gutter, 1.75rem)));
  margin: 0 auto;
  padding: 2rem 0 2.75rem;
  animation: sn2-in 0.8s ease-out both;
}

.sn2-hero-art {
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid rgba(46, 200, 216, 0.35);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.5);
}

.sn2-hero-art img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 14px;
}

.sn2-kicker {
  margin: 0 0 0.65rem;
  color: var(--sn2-cyan);
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.sn2-hero-copy h1 {
  margin: 0 0 0.85rem;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.7rem);
  letter-spacing: 0.06em;
  line-height: 1.1;
}

.sn2-hero-copy h1 span {
  color: var(--sn2-cyan);
}

.sn2-lead {
  margin: 0 0 0.75rem;
  color: var(--sn2-mist);
  line-height: 1.55;
  max-width: 28rem;
}

.sn2-about {
  margin: 0 0 0.85rem;
  color: rgba(142, 184, 196, 0.92);
  font-size: 0.95rem;
  line-height: 1.55;
  max-width: 36rem;
}

.sn2-game-meta {
  list-style: none;
  margin: 0 0 1.5rem;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.45rem 1rem;
  max-width: 36rem;
}

.sn2-game-meta li {
  display: flex;
  flex-direction: column;
  gap: 0.12rem;
  min-width: 0;
  padding: 0.45rem 0.55rem;
  border: 1px solid rgba(46, 200, 216, 0.22);
  border-radius: 8px;
  background: rgba(4, 20, 28, 0.4);
}

.sn2-game-meta span {
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(142, 184, 196, 0.75);
  font-family: var(--font-display, "Orbitron", system-ui, sans-serif);
}

.sn2-game-meta strong {
  font-size: 0.92rem;
  font-weight: 600;
  color: rgba(228, 244, 248, 0.95);
}

.sn2-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.sn2-btn {
  appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  cursor: pointer;
  padding: 0.7rem 1.15rem;
  border: 1px solid rgba(46, 200, 216, 0.4);
  border-radius: 8px;
  background: linear-gradient(
    108deg,
    rgba(10, 60, 70, 0.5) 0%,
    rgba(46, 200, 216, 0.45) 45%,
    rgba(26, 154, 170, 0.22) 100%
  );
  color: #f0fafc;
  text-decoration: none;
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  box-shadow:
    0 0 0 1px rgba(80, 220, 230, 0.12),
    0 0 16px rgba(46, 200, 216, 0.2),
    inset 0 1px 0 rgba(200, 245, 250, 0.12);
  transition:
    color 0.28s ease,
    background 0.28s ease,
    border-color 0.28s ease,
    box-shadow 0.28s ease,
    transform 0.28s ease;
}

.sn2-btn:hover,
.sn2-btn:focus-visible {
  color: #ffffff;
  border-color: rgba(80, 220, 230, 0.6);
  background: linear-gradient(
    108deg,
    rgba(14, 80, 90, 0.55) 0%,
    rgba(46, 200, 216, 0.52) 42%,
    rgba(100, 220, 230, 0.26) 100%
  );
  box-shadow:
    0 0 0 1px rgba(100, 220, 230, 0.2),
    0 0 24px rgba(46, 200, 216, 0.32),
    inset 0 1px 0 rgba(220, 250, 255, 0.18);
  outline: none;
  transform: translateY(-2px);
}

.sn2-btn.ghost {
  color: var(--sn2-sand);
  border-color: rgba(46, 200, 216, 0.3);
  background: linear-gradient(
    145deg,
    rgba(46, 200, 216, 0.14) 0%,
    rgba(10, 28, 36, 0.35) 48%,
    rgba(26, 154, 170, 0.08) 100%
  );
  box-shadow: none;
}

.sn2-btn.ghost:hover,
.sn2-btn.ghost:focus-visible {
  color: #f0fafc;
  border-color: rgba(80, 220, 230, 0.55);
  background: linear-gradient(
    108deg,
    rgba(46, 200, 216, 0.24) 0%,
    rgba(26, 154, 170, 0.28) 55%,
    rgba(46, 200, 216, 0.12) 100%
  );
  box-shadow:
    0 0 0 1px rgba(80, 220, 230, 0.16),
    0 0 18px rgba(46, 200, 216, 0.2),
    inset 0 1px 0 rgba(200, 245, 250, 0.12);
}

.sn2-section {
  width: min(var(--atlas-content-max, 1520px), calc(100% - 2 * var(--atlas-page-gutter, 1.75rem)));
  margin: 0 auto;
  padding: 2.5rem 0 1rem;
  animation: sn2-in 0.8s ease-out both;
}

.sn2-section-head {
  margin-bottom: 1.5rem;
}

.sn2-section-head h2 {
  margin: 0 0 0.4rem;
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 2.5vw, 1.55rem);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.sn2-section-head p {
  margin: 0;
  color: var(--sn2-mist);
  line-height: 1.5;
}

.sn2-news-head-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.65rem 1rem;
  margin-bottom: 0.4rem;
}

.sn2-news-head-row h2 {
  margin: 0;
}

.sn2-news-refresh {
  appearance: none;
  border: 1px solid rgba(46, 200, 216, 0.38);
  border-radius: 8px;
  background: linear-gradient(
    145deg,
    rgba(46, 200, 216, 0.16) 0%,
    rgba(10, 28, 36, 0.45) 48%,
    rgba(26, 154, 170, 0.1) 100%
  );
  color: #d8f4f8;
  font-family: var(--font-display);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.42rem 0.85rem;
  cursor: pointer;
  transition:
    color 0.28s ease,
    background 0.28s ease,
    border-color 0.28s ease,
    box-shadow 0.28s ease;
}

.sn2-news-refresh:hover,
.sn2-news-refresh:focus-visible {
  color: #ffffff;
  border-color: rgba(80, 220, 230, 0.55);
  background: linear-gradient(
    108deg,
    rgba(46, 200, 216, 0.32) 0%,
    rgba(26, 154, 170, 0.28) 100%
  );
  box-shadow:
    0 0 0 1px rgba(80, 220, 230, 0.16),
    0 0 14px rgba(46, 200, 216, 0.22);
  outline: none;
}

.sn2-news-refresh:disabled {
  opacity: 0.55;
  cursor: wait;
}

.sn2-news-status {
  margin: 0.35rem 0 0;
  font-size: 0.78rem;
  color: rgba(159, 239, 255, 0.7);
}

.sn2-news {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.9rem;
}

.sn2-news-item {
  display: grid;
  gap: 0;
  border: 1px solid var(--sn2-line);
  border-radius: 6px;
  background: rgba(6, 28, 36, 0.55);
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.sn2-news-item:hover,
.sn2-news-item:focus-within {
  border-color: rgba(80, 220, 230, 0.55);
  transform: translateY(-2px);
}

.sn2-news a {
  display: grid;
  gap: 0.35rem;
  padding: 1rem 1.1rem 0.55rem;
  color: inherit;
  text-decoration: none;
  border: none;
  border-radius: 0;
  background: transparent;
}

.sn2-news a:focus-visible {
  outline: none;
}

.sn2-news-translate {
  justify-self: start;
  margin: 0 1.1rem 0.9rem;
  border: 1px solid rgba(46, 200, 216, 0.45);
  background: rgba(10, 28, 36, 0.75);
  color: #d8f4f8;
  font: inherit;
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.32rem 0.7rem;
  border-radius: 4px;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s, opacity 0.15s;
}

.sn2-news-translate:hover,
.sn2-news-translate:focus-visible {
  border-color: rgba(80, 220, 230, 0.75);
  background: rgba(46, 200, 216, 0.3);
  outline: none;
}

.sn2-news-translate:disabled {
  opacity: 0.55;
  cursor: wait;
}

.sn2-news-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.85rem;
  font-size: 0.75rem;
  color: var(--sn2-mist);
  letter-spacing: 0.04em;
}

.sn2-news h3 {
  margin: 0;
  font-size: 1.05rem;
  line-height: 1.3;
}

.sn2-news p {
  margin: 0;
  color: rgba(220, 240, 245, 0.78);
  line-height: 1.45;
  font-size: 0.92rem;
}

.sn2-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem;
  margin-bottom: 1.5rem;
}

.sn2-fact {
  padding: 1rem 1.05rem;
  border: 1px solid rgba(46, 200, 216, 0.22);
  border-radius: 6px;
  background: rgba(4, 20, 28, 0.55);
}

.sn2-fact h3 {
  margin: 0 0 0.4rem;
  font-family: var(--font-display);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--sn2-cyan);
}

.sn2-fact p {
  margin: 0;
  color: var(--sn2-mist);
  line-height: 1.45;
  font-size: 0.92rem;
}

.sn2-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.sn2-links a {
  color: var(--sn2-cyan);
  text-decoration: none;
  font-size: 0.9rem;
  border-bottom: 1px solid rgba(46, 200, 216, 0.35);
  padding-bottom: 0.1rem;
}

.sn2-links a:hover,
.sn2-links a:focus-visible {
  color: var(--sn2-sand);
  border-bottom-color: var(--sn2-teal);
  outline: none;
}

.sn2-footer {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem 1.5rem;
  margin-top: 3rem;
  padding: 1.5rem 5vw 2.25rem;
  border-top: 1px solid rgba(142, 184, 196, 0.15);
  color: rgba(142, 184, 196, 0.65);
  font-size: 0.8rem;
}

.sn2-footer .build-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.2rem;
}

.sn2-footer .build-version {
  margin: 0;
  font-family: var(--font-display);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: none;
  color: rgba(46, 200, 216, 0.55);
}

.sn2-footer .build-year {
  margin: 0;
  font-family: var(--font-display);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  color: rgba(142, 184, 196, 0.55);
}

.sn2-footer p {
  margin: 0;
}

@keyframes sn2-in {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .sn2-hero,
  .sn2-section,
  .sn2-wip,
  .sn2-btn,
  .sn2-news-item,
  .sn2-news a {
    animation: none !important;
    transition: none !important;
  }
}

@media (max-width: 860px) {
  .sn2-hero {
    grid-template-columns: 1fr;
    padding-top: calc(2.75rem + env(safe-area-inset-top, 0px));
  }

  .sn2-facts {
    grid-template-columns: 1fr;
  }

  .sn2-game-meta {
    grid-template-columns: 1fr;
  }
}