/* ═══════════════════════════════════════════════════════════
   ASCENDII — FOUNDING ARCHITECT CAMPAIGN
   style.css  |  Mobile-first, diegetic OS aesthetic
═══════════════════════════════════════════════════════════ */

/* ── Custom Properties ─────────────────────────────────── */
:root {
  --color-bg:          #080c10;
  --color-surface:     #0d1520;
  --color-border:      #1a2a3a;

  --color-genesis:     #b8860b;   /* deep gold */
  --color-glow-genesis:#ffd700;
  --color-prime:       #7b68ee;   /* violet */
  --color-glow-prime:  #c0b0ff;
  --color-architect:   #00bcd4;   /* cyan */
  --color-glow-arch:   #80deea;

  --color-text:        #c8d8e8;
  --color-text-dim:    #5a7a9a;
  --color-accent:      #00bcd4;

  --font-mono:         'Courier New', Courier, monospace;

  --radius:            4px;
  --transition:        0.3s ease;
  --max-width:         900px;
}

/* ── Reset & Base ───────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-mono);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.6;
}

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

ul {
  list-style: none;
}

/* ── Utility ────────────────────────────────────────────── */
.hidden {
  display: none !important;
}

.os-label {
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text-dim);
}

.section-label {
  font-size: 0.7rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 1.25rem;
  border-left: 2px solid var(--color-accent);
  padding-left: 0.75rem;
}

/* ── Flywheel ambient rings (background decoration) ─────── */
.flywheel-layer {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.flywheel-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(0, 188, 212, 0.07);
  animation: flywheel-spin linear infinite;
}

.ring-a {
  width: 600px;
  height: 600px;
  top: -200px;
  right: -200px;
  animation-duration: 60s;
}

.ring-b {
  width: 900px;
  height: 900px;
  bottom: -350px;
  left: -300px;
  animation-duration: 90s;
  animation-direction: reverse;
}

@keyframes flywheel-spin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

/* ── Boot Screen ────────────────────────────────────────── */
.boot-screen {
  position: fixed;
  inset: 0;
  z-index: 100;
  background-color: var(--color-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.boot-inner {
  max-width: 560px;
  width: 100%;
}

.boot-line {
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  color: var(--color-text-dim);
  margin-bottom: 0.5rem;
  opacity: 0;
  transition: opacity 0.4s ease;
}

.boot-line.visible {
  opacity: 1;
  color: var(--color-text);
}

#boot-line-4.visible {
  color: var(--color-accent);
  font-size: 1rem;
  font-weight: bold;
}

.btn-enter {
  display: inline-block;
  margin-top: 2rem;
  padding: 0.75rem 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  background: transparent;
  color: var(--color-accent);
  border: 1px solid var(--color-accent);
  border-radius: var(--radius);
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.4s ease, background var(--transition), color var(--transition);
  -webkit-tap-highlight-color: transparent;
  min-height: 44px; /* touch-friendly */
}

.btn-enter.visible {
  opacity: 1;
}

.btn-enter:hover,
.btn-enter:focus-visible {
  background: var(--color-accent);
  color: var(--color-bg);
  outline: none;
}

/* ── Chamber (main interface) ───────────────────────────── */
.chamber {
  position: relative;
  z-index: 10;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1.5rem 1rem 4rem;
}

/* ── Chamber Header ─────────────────────────────────────── */
.chamber-header {
  text-align: center;
  padding: 2.5rem 0 2rem;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 2.5rem;
}

.chamber-title {
  font-size: clamp(1.2rem, 5vw, 2rem);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin: 0.5rem 0 0.75rem;
  text-shadow: 0 0 20px rgba(0, 188, 212, 0.4);
}

.chamber-subtitle {
  font-size: 0.8rem;
  color: var(--color-text-dim);
  letter-spacing: 0.1em;
}

/* ── Supply Section ─────────────────────────────────────── */
.supply-section {
  margin-bottom: 3rem;
}

.supply-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.supply-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1rem 1.25rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.supply-tier {
  font-size: 0.65rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
}

.supply-count {
  font-size: 2rem;
  font-weight: bold;
  line-height: 1;
}

.supply-of {
  font-size: 0.7rem;
  color: var(--color-text-dim);
}

/* ── Progress Bar ───────────────────────────────────────── */
.progress-bar-wrap {
  height: 4px;
  background: var(--color-border);
  border-radius: 2px;
  overflow: hidden;
  margin-top: 0.5rem;
}

.progress-bar {
  height: 100%;
  border-radius: 2px;
  transition: width 0.8s ease;
}

/* ── Tier Glow: Genesis (gold) ──────────────────────────── */
.tier-genesis {
  border-color: var(--color-genesis);
  box-shadow: 0 0 10px rgba(184, 134, 11, 0.25), inset 0 0 8px rgba(184, 134, 11, 0.05);
}

.tier-genesis .supply-tier,
.tier-genesis .supply-count,
.tier-genesis .tier-badge {
  color: var(--color-glow-genesis);
}

.tier-genesis .progress-bar {
  background: var(--color-glow-genesis);
  box-shadow: 0 0 6px var(--color-glow-genesis);
}

.tier-genesis .btn-tier {
  color: var(--color-glow-genesis);
  border-color: var(--color-glow-genesis);
}

.tier-genesis .btn-tier:hover,
.tier-genesis .btn-tier:focus-visible {
  background: var(--color-glow-genesis);
  color: var(--color-bg);
}

/* ── Tier Glow: Architect Prime (violet) ────────────────── */
.tier-prime {
  border-color: var(--color-prime);
  box-shadow: 0 0 10px rgba(123, 104, 238, 0.25), inset 0 0 8px rgba(123, 104, 238, 0.05);
}

.tier-prime .supply-tier,
.tier-prime .supply-count,
.tier-prime .tier-badge {
  color: var(--color-glow-prime);
}

.tier-prime .progress-bar {
  background: var(--color-glow-prime);
  box-shadow: 0 0 6px var(--color-glow-prime);
}

.tier-prime .btn-tier {
  color: var(--color-glow-prime);
  border-color: var(--color-glow-prime);
}

.tier-prime .btn-tier:hover,
.tier-prime .btn-tier:focus-visible {
  background: var(--color-glow-prime);
  color: var(--color-bg);
}

/* ── Tier Glow: Architect (cyan) ────────────────────────── */
.tier-architect {
  border-color: var(--color-architect);
  box-shadow: 0 0 10px rgba(0, 188, 212, 0.2), inset 0 0 8px rgba(0, 188, 212, 0.04);
}

.tier-architect .supply-tier,
.tier-architect .supply-count,
.tier-architect .tier-badge {
  color: var(--color-glow-arch);
}

.tier-architect .progress-bar {
  background: var(--color-glow-arch);
  box-shadow: 0 0 6px var(--color-glow-arch);
}

.tier-architect .btn-tier {
  color: var(--color-glow-arch);
  border-color: var(--color-glow-arch);
}

.tier-architect .btn-tier:hover,
.tier-architect .btn-tier:focus-visible {
  background: var(--color-glow-arch);
  color: var(--color-bg);
}

/* ── Tier Cards ─────────────────────────────────────────── */
.tiers-section {
  margin-bottom: 3rem;
}

.tiers-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.tier-card {
  background: var(--color-surface);
  border-radius: var(--radius);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.tier-badge {
  font-size: 0.75rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  font-weight: bold;
}

.tier-slots {
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  color: var(--color-text-dim);
  text-transform: uppercase;
}

.tier-perks {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.tier-perks li {
  font-size: 0.78rem;
  color: var(--color-text);
  padding-left: 1rem;
  position: relative;
}

.tier-perks li::before {
  content: '›';
  position: absolute;
  left: 0;
  color: var(--color-text-dim);
}

.btn-tier {
  display: inline-block;
  padding: 0.7rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  background: transparent;
  border: 1px solid;
  border-radius: var(--radius);
  text-align: center;
  transition: background var(--transition), color var(--transition);
  min-height: 44px; /* touch-friendly */
  line-height: 1.8;
  -webkit-tap-highlight-color: transparent;
}

.btn-tier:focus-visible {
  outline: 2px solid currentColor;
  outline-offset: 2px;
}

/* ── Portal Section ─────────────────────────────────────── */
.portal-section {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.75rem 1.5rem;
  margin-bottom: 3rem;
  text-align: center;
}

.portal-desc {
  font-size: 0.8rem;
  color: var(--color-text-dim);
  margin-bottom: 1.5rem;
  line-height: 1.8;
}

.btn-portal {
  display: inline-block;
  padding: 0.85rem 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  background: transparent;
  color: var(--color-accent);
  border: 1px solid var(--color-accent);
  border-radius: var(--radius);
  transition: background var(--transition), color var(--transition);
  min-height: 44px; /* touch-friendly */
  -webkit-tap-highlight-color: transparent;
}

.btn-portal:hover,
.btn-portal:focus-visible {
  background: var(--color-accent);
  color: var(--color-bg);
  outline: none;
  text-shadow: none;
}

.portal-note {
  margin-top: 0.75rem;
  font-size: 0.65rem;
  color: var(--color-text-dim);
  letter-spacing: 0.05em;
}

/* ── Scanline overlay (CRT effect) ──────────────────────── */
.scanline-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 5;
  background: repeating-linear-gradient(
    to bottom,
    transparent 0px,
    transparent 3px,
    rgba(0, 0, 0, 0.08) 3px,
    rgba(0, 0, 0, 0.08) 4px
  );
}

/* ── Ritual Seal (header centerpiece) ───────────────────── */
.ritual-seal {
  position: relative;
  width: 80px;
  height: 80px;
  margin: 1.75rem auto 0;
}

.seal-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid;
  top: 50%;
  left: 50%;
}

.seal-ring-outer {
  width: 80px;
  height: 80px;
  margin-top: -40px;
  margin-left: -40px;
  border-color: rgba(0, 188, 212, 0.3);
  animation: ritual-spin 24s linear infinite;
}

.seal-ring-mid {
  width: 52px;
  height: 52px;
  margin-top: -26px;
  margin-left: -26px;
  border-color: rgba(0, 188, 212, 0.5);
  border-style: dashed;
  animation: ritual-spin 16s linear infinite reverse;
}

.seal-ring-inner {
  width: 28px;
  height: 28px;
  margin-top: -14px;
  margin-left: -14px;
  border-color: rgba(0, 188, 212, 0.75);
  animation: ritual-spin 10s linear infinite;
}

.seal-core {
  position: absolute;
  width: 8px;
  height: 8px;
  background: var(--color-accent);
  border-radius: 50%;
  top: 50%;
  left: 50%;
  margin-top: -4px;
  margin-left: -4px;
  box-shadow: 0 0 10px var(--color-accent), 0 0 20px rgba(0, 188, 212, 0.5);
  animation: seal-pulse 2.4s ease-in-out infinite;
}

@keyframes ritual-spin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

@keyframes seal-pulse {
  0%, 100% { opacity: 1;   box-shadow: 0 0 10px var(--color-accent), 0 0 20px rgba(0, 188, 212, 0.5); }
  50%       { opacity: 0.4; box-shadow: 0 0 4px  var(--color-accent); }
}

/* ── Chamber entrance animation ─────────────────────────── */
.chamber-enter {
  animation: chamber-reveal 0.7s ease forwards;
}

@keyframes chamber-reveal {
  from { opacity: 0; transform: translateY(10px) scale(0.98); }
  to   { opacity: 1; transform: translateY(0)    scale(1);    }
}

/* ── Chamber title: subtle flicker ──────────────────────── */
.chamber-title {
  animation: title-flicker 12s ease-in-out infinite;
}

@keyframes title-flicker {
  0%, 88%, 100% { opacity: 1;   }
  92%            { opacity: 0.9; }
}

/* ── Section label: ambient glow pulse ──────────────────── */
.section-label {
  animation: label-glow 4s ease-in-out infinite;
}

@keyframes label-glow {
  0%, 100% { text-shadow: none; }
  50%       { text-shadow: 0 0 8px rgba(0, 188, 212, 0.55); }
}

/* ── Chamber Footer ─────────────────────────────────────── */
.chamber-footer {
  border-top: 1px solid var(--color-border);
  padding-top: 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  text-align: center;
}

.footer-copy {
  font-size: 0.65rem;
  color: var(--color-text-dim);
}

/* ═══════════════════════════════════════════════════════════
   RESPONSIVE — Tablet and wider (≥ 600 px)
═══════════════════════════════════════════════════════════ */
@media (min-width: 600px) {
  .chamber {
    padding: 2rem 2rem 5rem;
  }

  .supply-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .tiers-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .chamber-footer {
    flex-direction: row;
    justify-content: space-between;
  }
}

/* ═══════════════════════════════════════════════════════════
   RESPONSIVE — Desktop (≥ 900 px)
═══════════════════════════════════════════════════════════ */
@media (min-width: 900px) {
  .chamber {
    padding: 3rem 3rem 6rem;
  }

  .chamber-title {
    letter-spacing: 0.3em;
  }
}

/* ── Reduced Motion ─────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  .flywheel-ring,
  .seal-ring,
  .seal-core,
  .chamber-title,
  .section-label {
    animation: none;
  }

  .progress-bar {
    transition: none;
  }

  .boot-line,
  .btn-enter {
    transition: none;
  }

  .chamber-enter {
    animation: none;
    opacity: 1;
    transform: none;
  }
}