* {
  box-sizing: border-box;
}

:root {
  color-scheme: dark;
  --bg: #020617;
  --panel: rgba(7, 22, 39, 0.95);
  --panel-hover: rgba(12, 37, 62, 0.98);
  --border: rgba(111, 158, 197, 0.38);
  --text: #f8fafc;
  --muted: #afbdca;
  --accent: #37baff;
  --green: #35e57a;
  --yellow: #ffd54a;
  --red: #ff3b4a;
  --shadow: 0 18px 48px rgba(0, 0, 0, 0.34);
}

html {
  min-height: 100%;
  background: var(--bg);
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 50% 3%, rgba(0, 135, 228, 0.15), transparent 35rem),
    linear-gradient(180deg, #06111f 0%, #020617 58%, #01040a 100%);
}

.starfield {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.56;
  background-image:
    radial-gradient(circle at 10% 15%, rgba(255,255,255,.8) 0 1px, transparent 1.3px),
    radial-gradient(circle at 28% 72%, rgba(55,186,255,.72) 0 1px, transparent 1.4px),
    radial-gradient(circle at 62% 18%, rgba(255,255,255,.52) 0 1px, transparent 1.2px),
    radial-gradient(circle at 84% 62%, rgba(255,188,96,.45) 0 1px, transparent 1.2px);
  background-size: 180px 180px, 260px 260px, 320px 320px, 420px 420px;
}

.site-header,
.page-shell,
.site-footer {
  width: min(92rem, calc(100% - 2rem));
  margin: 0 auto;
}

/* Header */

.system-bar {
  min-height: 44px;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  border-bottom: 1px solid rgba(111, 158, 197, 0.18);
  font-size: 0.78rem;
}

.system-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 6px var(--green), 0 0 14px rgba(53, 229, 122, 0.72);
}

.system-label {
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.system-divider {
  width: 1px;
  height: 18px;
  background: rgba(196, 206, 218, 0.34);
}

.system-state {
  color: var(--green);
}

/* Hero */

.hero {
  padding-top: 2rem;
  text-align: center;
}

.wordmark-link {
  display: block;
  width: min(460px, 82vw);
  margin: 0 auto 1.4rem;
}

.wordmark-link img,
.hero-art img,
.site-footer img {
  width: 100%;
  display: block;
  border-radius: 8px;
}

.brand-kicker,
.section-kicker {
  margin: 0 0 0.5rem;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 900;
  letter-spacing: 0.28em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  font-size: clamp(2.7rem, 7vw, 5.4rem);
  line-height: 1;
  letter-spacing: -0.05em;
}

.hero-intro {
  margin: 0.9rem 0 0;
  color: var(--muted);
  font-size: clamp(1rem, 2vw, 1.2rem);
}

.hero-art {
  width: min(1120px, 96vw);
  margin: 0.8rem auto 0;
}

.hero-art img {
  border-radius: 12px;
}

/* Main content */

.page-shell {
  margin-top: -0.4rem;
  padding-bottom: 3rem;
}

.intro-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  margin-bottom: 1rem;
  padding: 1.4rem 1.5rem;
  background: linear-gradient(145deg, rgba(8,26,45,.96), rgba(3,13,24,.98));
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow);
}

.intro-panel h2 {
  margin: 0 0 0.55rem;
  font-size: 1.7rem;
}

.intro-panel p:last-child {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.portal-badge {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.65rem 0.85rem;
  color: #aef7c9;
  background: rgba(53,229,122,.07);
  border: 1px solid rgba(53,229,122,.25);
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 800;
}

.portal-badge span {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 8px var(--green);
}

/* Method grid and cards */

.method-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.method-card {
  position: relative;
  min-height: 18rem;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  padding: 1.35rem;
  color: inherit;
  text-decoration: none;
  background: linear-gradient(145deg, rgba(7,24,42,.96), rgba(3,13,24,.98));
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow);
  transition: transform 0.17s ease, border-color 0.17s ease, background 0.17s ease;
}

.method-card:hover,
.method-card:focus-visible {
  transform: translateY(-5px);
  border-color: var(--accent);
  background: var(--panel-hover);
  outline: none;
}

.method-card::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(rgba(55,186,255,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(55,186,255,.045) 1px, transparent 1px);
  background-size: 18px 18px;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,.7), transparent 68%);
}

.method-card::after {
  content: "";
  position: absolute;
  left: -15%;
  bottom: -38%;
  width: 78%;
  height: 78%;
  border-radius: 50%;
  pointer-events: none;
  background: radial-gradient(circle, rgba(55,186,255,.10), transparent 68%);
}

.method-card > * {
  position: relative;
  z-index: 1;
}

/* Status and abbreviations */

.method-status {
  position: absolute !important;
  top: 1.15rem;
  right: 1.15rem;
  z-index: 5;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
}

.method-code {
  color: #71d3ff;
  font-size: 1.05rem;
  font-weight: 900;
  line-height: 1;
  letter-spacing: 0.12em;
  text-shadow: 0 0 10px rgba(55,186,255,.30);
}

.status-beacon {
  position: relative;
  width: 18px;
  height: 18px;
  flex: 0 0 18px;
  border-radius: 50%;
  animation: statusPulse 1.8s ease-in-out infinite;
}

.status-beacon.red {
  color: var(--red);
  background: var(--red);
  box-shadow:
    0 0 6px rgba(255,59,74,.95),
    0 0 14px rgba(255,59,74,.75),
    0 0 22px rgba(255,59,74,.35);
}

.status-beacon.yellow {
  color: var(--yellow);
  background: var(--yellow);
  box-shadow:
    0 0 6px rgba(255,213,74,.95),
    0 0 14px rgba(255,213,74,.75),
    0 0 22px rgba(255,213,74,.35);
}

.status-beacon.green {
  color: var(--green);
  background: var(--green);
  box-shadow:
    0 0 6px rgba(53,229,122,.95),
    0 0 14px rgba(53,229,122,.75),
    0 0 22px rgba(53,229,122,.35);
}

@keyframes statusPulse {
  0%, 100% {
    transform: scale(1);
    filter: brightness(1);
  }
  50% {
    transform: scale(1.08);
    filter: brightness(1.18);
  }
}

/* Blueprint icons */

.method-icon {
  width: 62px;
  height: 62px;
  display: grid;
  place-items: center;
  margin-bottom: 1rem;
  color: var(--accent);
  background: rgba(55,186,255,.07);
  border: 1px solid rgba(55,186,255,.28);
  border-radius: 16px;
}

.method-icon svg {
  width: 42px;
  height: 42px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.3;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.blueprint-icon {
  position: relative;
  width: 90px;
  height: 90px;
  margin-top: 0.35rem;
  overflow: hidden;
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(12,49,81,.94), rgba(5,22,39,.98));
  box-shadow:
    inset 0 0 0 1px rgba(120,210,255,.10),
    0 0 20px rgba(55,186,255,.10);
}

.blueprint-icon::before,
.blueprint-icon::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.blueprint-icon::before {
  background:
    linear-gradient(rgba(103,200,255,.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(103,200,255,.08) 1px, transparent 1px);
  background-size: 10px 10px;
}

.blueprint-icon::after {
  background: linear-gradient(90deg, transparent, rgba(95,215,255,.22), transparent);
  transform: translateX(-100%);
  animation: blueprintScan 5.5s ease-in-out infinite;
}

.blueprint-icon svg {
  position: relative;
  z-index: 1;
  width: 64px;
  height: 64px;
  filter: drop-shadow(0 0 6px rgba(55,186,255,.30));
}

.blueprint-frame {
  fill: none;
  stroke: rgba(87,194,255,.34);
  stroke-width: 1.4;
  stroke-dasharray: 3 3;
}

.blueprint-line,
.blueprint-heavy,
.blueprint-wave,
.blueprint-arrow,
.blueprint-ring,
.blueprint-core {
  fill: none;
  stroke: #55c7ff;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.blueprint-line { stroke-width: 2; }
.blueprint-heavy { stroke-width: 3; }
.blueprint-wave { stroke-width: 2.5; }
.blueprint-arrow { stroke-width: 1.8; stroke-dasharray: 4 3; }
.blueprint-ring { stroke-width: 2.2; }

.blueprint-core {
  fill: rgba(80,200,255,.16);
  stroke-width: 2.4;
}

.method-card:hover .blueprint-icon {
  border-color: rgba(112,215,255,.72);
  box-shadow:
    inset 0 0 0 1px rgba(140,225,255,.18),
    0 0 28px rgba(55,186,255,.20);
}

.method-card:hover .blueprint-icon svg {
  filter: drop-shadow(0 0 9px rgba(55,186,255,.52));
}

@keyframes blueprintScan {
  0%, 72%, 100% {
    transform: translateX(-115%);
    opacity: 0;
  }
  78% {
    opacity: 0.75;
  }
  92% {
    transform: translateX(115%);
    opacity: 0.25;
  }
}

/* Method content */

.method-card h2 {
  margin: 0.15rem 0 0;
  font-size: 1.35rem;
  line-height: 1.2;
}

.method-card p {
  margin: 0.8rem 0 1.2rem;
  color: var(--muted);
  line-height: 1.55;
}

.open-label {
  margin-top: auto;
  padding-top: 0.9rem;
  color: var(--accent);
  border-top: 1px solid rgba(111,158,197,.18);
  font-weight: 800;
}

/* Capability strip */

.capability-strip {
  margin-top: 1rem;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  overflow: hidden;
  background: linear-gradient(180deg, rgba(7,23,40,.96), rgba(3,13,24,.98));
  border: 1px solid var(--border);
  border-radius: 16px;
}

.capability-strip article {
  padding: 1rem;
}

.capability-strip article + article {
  border-left: 1px solid rgba(111,158,197,.22);
}

.capability-strip strong {
  display: block;
  color: var(--accent);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.capability-strip span {
  display: block;
  margin-top: 0.35rem;
  color: var(--muted);
  font-size: 0.76rem;
  line-height: 1.4;
}

/* Footer */

.site-footer {
  padding: 2rem 0 calc(2rem + env(safe-area-inset-bottom));
  color: #7f8d9d;
  text-align: center;
}

.site-footer img {
  width: min(620px, 88vw);
  margin: 0 auto 0.7rem;
}

.site-footer p {
  margin: 0.3rem 0;
  font-size: 0.82rem;
}

/* Responsive */

@media (max-width: 1050px) {
  .method-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .capability-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .capability-strip article + article {
    border-left: 0;
    border-top: 1px solid rgba(111,158,197,.22);
  }

  .capability-strip article:nth-child(even) {
    border-left: 1px solid rgba(111,158,197,.22);
  }

  .capability-strip article:last-child {
    grid-column: 1 / -1;
  }
}

@media (max-width: 700px) {
  .intro-panel {
    align-items: flex-start;
    flex-direction: column;
  }

  .method-grid {
    grid-template-columns: 1fr;
  }

  .method-card {
    min-height: 15rem;
  }
}

@media (max-width: 540px) {
  .site-header,
  .page-shell,
  .site-footer {
    width: min(100% - 1rem, 92rem);
  }

  .system-bar {
    gap: 0.5rem;
    font-size: 0.7rem;
  }

  .brand-kicker {
    letter-spacing: 0.2em;
  }

  .method-status {
    top: 1rem;
    right: 1rem;
  }

  .method-code {
    font-size: 0.98rem;
  }

  .blueprint-icon {
    width: 84px;
    height: 84px;
  }

  .blueprint-icon svg {
    width: 59px;
    height: 59px;
  }

  .capability-strip {
    grid-template-columns: 1fr;
  }

  .capability-strip article,
  .capability-strip article:nth-child(even),
  .capability-strip article:last-child {
    grid-column: auto;
    border-left: 0;
    border-top: 1px solid rgba(111,158,197,.22);
  }

  .capability-strip article:first-child {
    border-top: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
  }

  .blueprint-icon::after,
  .status-beacon {
    animation: none !important;
  }
}