:root {
  --bg: #070b1a;
  --bg-alt: #0e1328;
  --surface: rgba(13, 19, 40, 0.85);
  --surface-solid: #151b34;
  --border: rgba(120, 141, 255, 0.16);
  --ink: #f8fafc;
  --ink-muted: #cbd5f5;
  --card: rgba(12, 18, 40, 0.92);
  --bg-muted: rgba(15, 23, 42, 0.65);
  --text: #f8fafc;
  --text-muted: #cbd5f5;
  --accent: #f97316;
  --accent-soft: #fb923c;
  --accent-strong: #ea580c;
  --brand: #fb923c;
  --brand-dark: #ea580c;
  --shadow: 0 24px 60px rgba(6, 13, 30, 0.45);
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 1rem;
  --space-4: 1.5rem;
  --space-5: 2rem;
  --space-6: 3rem;
  --radius-lg: 22px;
  --radius-md: 16px;
  --radius-sm: 10px;
  --radius: 16px;
  --max-width: min(1080px, 92vw);
  font-size: 16px;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  font-family: "Inter", "Segoe UI", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  background: #000;
  background-image:
    radial-gradient(circle at top left, rgba(249, 115, 22, 0.12), transparent 55%),
    radial-gradient(circle at bottom right, rgba(59, 130, 246, 0.12), transparent 50%);
  color: var(--text);
  line-height: 1.6;
  display: flex;
  flex-direction: column;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image: url("../building_sketch_hires.jpg");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  filter: brightness(0.9) contrast(1.1);
  opacity: 0.35;
  z-index: -1;
  pointer-events: none;
}

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

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

a:hover,
a:focus {
  color: var(--accent);
}

main {
  flex: 1 0 auto;
}

.container {
  width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.25rem;
}

.site-header {
  background: rgba(5, 10, 24, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 20;
}

.site-header .nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.25rem 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
  font-size: 1.35rem;
  letter-spacing: 0.04em;
  color: var(--text);
}

.brand span {
  white-space: nowrap;
}

.brand img {
  height: 52px;
  width: auto;
}

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

.menu a {
  color: var(--text-muted);
  font-weight: 600;
  position: relative;
  padding-bottom: 0.25rem;
  transition: color 0.2s ease;
}

.menu a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.2s ease;
  background: linear-gradient(90deg, var(--accent), var(--accent-soft));
}

.menu a:hover,
.menu a:focus {
  color: var(--text);
}

.menu a:hover::after,
.menu a:focus::after,
.menu a[aria-current="page"]::after {
  transform: scaleX(1);
}

.menu a[aria-current="page"] {
  color: var(--text);
}

.hero {
  padding: clamp(4rem, 8vw, 7rem) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top center, rgba(249, 115, 22, 0.16), transparent 65%);
  opacity: 0.8;
  pointer-events: none;
}

.hero::after {
  content: "";
  position: absolute;
  top: clamp(0.5rem, 2vw, 2rem);
  right: clamp(0.5rem, 2vw, 2rem);
  width: min(320px, 36vw);
  aspect-ratio: 1;
  background: url("../Fixed_Physics.png") no-repeat center/contain;
  opacity: 0.55;
  filter: drop-shadow(0 12px 30px rgba(3, 6, 16, 0.6));
  pointer-events: none;
}

@media (max-width: 600px) {
  .hero::after {
    opacity: 0.4;
    width: min(220px, 60vw);
  }
}

.hero .container {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

.hero h1 {
  font-size: clamp(2.75rem, 5vw, 3.75rem);
  font-weight: 800;
  letter-spacing: 0.01em;
  margin: 0;
}

.subtitle {
  color: var(--text-muted);
  max-width: 52ch;
  margin: 0 auto;
  font-size: 1.1rem;
}

.energy-bar {
  width: clamp(180px, 18vw, 260px);
  height: 6px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent) 0%, var(--accent-soft) 50%, #facc15 100%);
  box-shadow: 0 0 20px rgba(249, 115, 22, 0.45);
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.35rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  font-weight: 600;
  letter-spacing: 0.01em;
  border: 1px solid rgba(255, 255, 255, 0.12);
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-1px);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.28);
  background: rgba(255, 255, 255, 0.14);
}

.btn.primary {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-soft) 100%);
  color: #0a0a0a;
  border: none;
}

.btn.primary:hover,
.btn.primary:focus-visible {
  background: linear-gradient(135deg, var(--accent-strong), var(--accent));
  color: #050505;
}

.section {
  padding: clamp(3rem, 7vw, 4.5rem) 0;
  background: transparent;
  border-top: none;
  border-bottom: none;
}

.section h2 {
  font-size: clamp(2rem, 3vw, 2.4rem);
  margin-bottom: 1.75rem;
  letter-spacing: 0.01em;
}

.angle-bottom {
  position: relative;
  overflow: hidden;
}

.angle-bottom::after {
  content: "";
  position: absolute;
  inset: auto 0 -60px 0;
  height: 120px;
  background: linear-gradient(180deg, rgba(15, 23, 42, 0) 0%, rgba(15, 23, 42, 0.55) 100%);
  transform: skewY(-5deg);
  pointer-events: none;
}

.announcements {
  list-style: none;
  display: grid;
  gap: 1rem;
  padding: 0;
  margin: 0;
}

.announcements li {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.1rem 1.3rem;
  display: flex;
  gap: 0.85rem;
  align-items: center;
  box-shadow: var(--shadow);
}

.announcements time {
  font-weight: 700;
  color: var(--accent-soft);
  letter-spacing: 0.08em;
  font-size: 0.9rem;
  text-transform: uppercase;
}

.grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.card:hover,
.card:focus-within {
  transform: translateY(-6px);
  box-shadow: 0 28px 60px rgba(10, 12, 35, 0.55);
  border-color: rgba(249, 115, 22, 0.45);
}

.card h3 {
  margin: 0;
  font-size: 1.35rem;
}

.card p {
  margin: 0 0 0.5rem;
  color: var(--text-muted);
}

.card .btn {
  align-self: flex-start;
}

.site-footer {
  background: rgba(5, 9, 20, 0.9);
  border-top: 1px solid var(--border);
  padding: 2rem 0;
}

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

.foot-links {
  display: flex;
  gap: 1.2rem;
}

.foot-links a {
  color: var(--text-muted);
  font-weight: 600;
}

.foot-links a:hover,
.foot-links a:focus {
  color: var(--text);
}

#scoreboard {
  display: grid;
  gap: 1.25rem;
}

#scoreboard h3 {
  margin-bottom: 0.4rem;
}

#scoreboard ol {
  margin: 0;
  padding-left: 1.25rem;
}

#include-error,
.include-error {
  color: #fca5a5;
  font-size: 0.95rem;
  background: rgba(239, 68, 68, 0.12);
  border: 1px solid rgba(239, 68, 68, 0.3);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
}

@media (max-width: 900px) {
  .site-header .nav {
    flex-direction: column;
    align-items: flex-start;
    padding: 1.1rem 0;
  }

  .brand {
    font-size: 1.2rem;
  }

  .brand img {
    height: 44px;
  }

  .menu {
    width: 100%;
    justify-content: space-between;
    gap: 0.85rem 1.25rem;
  }
}

@media (max-width: 640px) {
  .menu {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero {
    text-align: left;
  }

  .hero .container {
    align-items: flex-start;
  }

  .cta-row {
    justify-content: flex-start;
  }

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

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

@media (prefers-reduced-motion: reduce) {

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}