/* ═══════════════════════════════════════════════════════════════════
   PoE2 Mirror Crafter — Landing Page Styles
   Theme: Dark crimson + gold (matches Pygame app)
   ═══════════════════════════════════════════════════════════════════ */

/* ─── Font Face ─── */
@font-face {
  font-family: 'Gothic';
  src: url('assets/fonts/gothic.ttf') format('truetype');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

/* ─── CSS Custom Properties ─── */
:root {
  /* Matches app: BG_DARK (3,2,2), BG_PANEL (8,5,5), BG_HEADER (14,9,9) */
  --base:        #030202;
  --surface:     #080505;
  --surface-alt: #0e0909;

  /* Matches app: BORDER_GOLD (160,20,20), BORDER_GOLD_DIM (70,10,10) */
  --accent:       #a01414;
  --accent-dim:   #701010;
  --accent-dark:  #460a0a;

  /* Matches app: TEXT_GOLD (220,50,40), TEXT_BRIGHT (230,60,50) */
  --gold:         #dc3228;
  --gold-bright:  #e63c32;

  --danger:       #c83232;
  --danger-dim:   #6e1a1a;
  --success:      #3cc850;

  /* Matches app: TEXT_WHITE (150,140,135), TEXT_DIM (80,75,70) */
  --text:        #968c87;
  --text-dim:    #504b46;
  --text-bright: #b8a095;
  --text-muted:  #3a3530;

  --font-heading: 'Gothic', 'Georgia', 'Times New Roman', serif;
  --font-body:    'Gothic', 'Georgia', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono:    'Gothic', 'Courier New', 'Cascadia Code', 'Fira Code', monospace;

  --radius:      clamp(6px, 1.2vw, 10px);
  --max-width:   1120px;
  --gap:         clamp(16px, 3vw, 28px);
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background: var(--base);
  color: var(--text);
  font-family: var(--font-body);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.65;
  overflow-x: hidden;
  min-height: 100vh;
  position: relative;
}

/* ─── Accessibility ─── */
.skip-link {
  position: absolute; top: -100px; left: 16px;
  background: var(--accent); color: var(--base);
  padding: 8px 16px; border-radius: 4px; z-index: 1000;
  font-family: var(--font-mono); font-size: 13px; text-decoration: none;
}
.skip-link:focus { top: 16px; }

::selection {
  background: var(--accent-dark);
  color: var(--text-bright);
}

/* ─── Container ─── */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 clamp(16px, 4vw, 40px);
}

/* ─── Typography ─── */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  color: var(--text-bright);
  font-weight: 700;
  letter-spacing: 0.02em;
}

h1 {
  font-size: clamp(32px, 5.5vw, 56px);
  line-height: 1.1;
  font-weight: 900;
}

h2 {
  font-size: clamp(24px, 3.5vw, 38px);
  line-height: 1.25;
  margin-bottom: 12px;
}

h3 {
  font-size: clamp(16px, 1.8vw, 20px);
  font-weight: 600;
  color: var(--accent);
  margin: 24px 0 8px;
}

p { margin-bottom: 12px; color: var(--text); }

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.2s;
}
a:hover { color: var(--gold-bright); }

.eyebrow {
  font-family: var(--font-mono);
  font-size: clamp(11px, 1.1vw, 13px);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 8px;
  font-weight: 500;
}

code, kbd {
  font-family: var(--font-mono);
  font-size: 0.88em;
}

kbd {
  background: var(--surface-alt);
  border: 1px solid var(--accent-dark);
  border-radius: 4px;
  padding: 2px 7px;
  color: var(--gold);
  font-size: 12px;
}

/* ─── Torch Cursor Glow ─── */
.torch-glow {
  position: fixed; top: 0; left: 0;
  width: 520px; height: 520px;
  border-radius: 50%;
  pointer-events: none; z-index: 9999;
  background: radial-gradient(circle at center,
    rgba(220, 50, 40, 0.07) 0%,
    rgba(220, 50, 40, 0.03) 30%,
    rgba(160, 20, 20, 0.01) 50%,
    transparent 70%);
  opacity: 0;
  transition: opacity 0.4s;
  mix-blend-mode: screen;
}

/* ─── Ember Particle Layer ─── */
.ember-layer {
  position: fixed; top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none; z-index: 0;
  overflow: hidden;
}

.ember {
  position: absolute;
  background: var(--gold);
  border-radius: 50%;
  animation: ember-rise var(--dur, 10s) linear infinite;
  box-shadow: 0 0 6px 2px rgba(220, 50, 40, 0.3);
}

@keyframes ember-rise {
  0% {
    top: 110%;
    opacity: 0;
    transform: translateX(0) scale(0.6);
  }
  10% { opacity: 0.35; }
  50% { opacity: 0.25; }
  85% { opacity: 0.1; }
  100% {
    top: -5%;
    opacity: 0;
    transform: translateX(var(--drift, 40px)) scale(1.2);
  }
}

/* ─── Frame Overlay (ornate corners) ─── */
.frame-overlay {
  position: fixed; top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none; z-index: 1;
}

.frame-corner {
  position: absolute;
  width: min(80px, 8vw);
  height: min(80px, 8vw);
  opacity: 0.4;
}

.frame-corner::before {
  content: '';
  position: absolute;
  width: 100%; height: 100%;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 80 80'%3E%3Cpath d='M4 30 L4 4 L30 4' fill='none' stroke='%23a01414' stroke-width='2' stroke-linejoin='round'/%3E%3Cpath d='M14 28 L14 14 L28 14' fill='none' stroke='%23a01414' stroke-width='1' stroke-linejoin='round' opacity='0.5'/%3E%3Ccircle cx='12' cy='12' r='2' fill='%23dc3228' opacity='0.5'/%3E%3C/svg%3E");
  background-size: contain;
  background-repeat: no-repeat;
}

.frame-corner.tl { top: 8px; left: 8px; }
.frame-corner.tr { top: 8px; right: 8px; transform: scaleX(-1); }
.frame-corner.bl { bottom: 8px; left: 8px; transform: scaleY(-1); }
.frame-corner.br { bottom: 8px; right: 8px; transform: scale(-1, -1); }

/* ─── Sections ─── */
section {
  padding: clamp(48px, 8vw, 96px) 0;
  position: relative;
  z-index: 2;
}

section + section {
  border-top: 1px solid var(--accent-dark);
}

/* ─── Hero ─── */
.hero {
  padding: clamp(60px, 12vw, 140px) 0 clamp(48px, 8vw, 80px);
  position: relative;
}

.hero::after {
  content: '';
  position: absolute; bottom: 0; left: 0;
  width: 100%; height: 200px;
  background: linear-gradient(to bottom, transparent, var(--base));
  pointer-events: none; z-index: 3;
}

.hero-inner {
  display: flex;
  align-items: center;
  gap: clamp(32px, 6vw, 64px);
}

.hero-copy { flex: 1; min-width: 0; }

.hero-copy h1 {
  margin-bottom: 10px;
  background: linear-gradient(135deg, var(--text-bright) 0%, var(--gold) 50%, var(--gold-bright) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-family: var(--font-heading);
  font-size: clamp(16px, 2.2vw, 22px);
  color: var(--gold);
  margin-bottom: 18px;
  font-weight: 600;
}

.lede {
  color: var(--text-dim);
  font-size: clamp(14px, 1.5vw, 16px);
  max-width: 520px;
  line-height: 1.7;
  margin-bottom: 28px;
}

/* Hero glyph (Divine Orb) */
.hero-glyph {
  flex-shrink: 0;
  width: clamp(180px, 22vw, 280px);
  height: clamp(180px, 22vw, 280px);
  color: var(--gold);
  filter: drop-shadow(0 0 30px rgba(220, 50, 40, 0.3))
          drop-shadow(0 0 60px rgba(220, 50, 40, 0.15));
  animation: divine-pulse 3s ease-in-out infinite;
}

@keyframes divine-pulse {
  0%, 100% { filter: drop-shadow(0 0 25px rgba(220, 50, 40, 0.25)) drop-shadow(0 0 50px rgba(220, 50, 40, 0.1)); }
  50% { filter: drop-shadow(0 0 40px rgba(220, 50, 40, 0.4)) drop-shadow(0 0 80px rgba(220, 50, 40, 0.2)); }
}

/* Install block */
.install {
  display: flex;
  align-items: center;
  gap: 0;
  background: var(--surface-alt);
  border: 1px solid var(--accent-dark);
  border-radius: var(--radius);
  overflow: hidden;
  max-width: 510px;
  transition: border-color 0.3s;
}

.install:focus-within { border-color: var(--accent-dim); }

.install code {
  flex: 1;
  padding: 12px 16px;
  font-size: clamp(12px, 1.1vw, 13px);
  color: var(--text);
  white-space: nowrap;
  overflow-x: auto;
  background: transparent;
}

.install-copy {
  padding: 12px 20px;
  border: none;
  border-left: 1px solid var(--accent-dark);
  background: var(--surface);
  color: var(--gold);
  font-family: var(--font-mono);
  font-size: 12px;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
}

.install-copy:hover {
  background: var(--accent-dark);
  color: var(--text-bright);
}
.install-copy[data-copied="1"] {
  background: var(--success);
  color: #fff;
  border-color: var(--success);
}

.install-note {
  margin-top: 10px;
  font-size: 13px;
  color: var(--text-muted);
}
.install-note code {
  background: var(--surface-alt);
  padding: 2px 7px;
  border-radius: 3px;
  font-size: 12px;
}

/* ─── Screenshots Gallery ─── */
.screenshots-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr));
  gap: var(--gap);
  margin-top: 32px;
}

.screenshot-card {
  background: var(--surface);
  border: 1px solid var(--accent-dark);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.3s, transform 0.2s;
}

.screenshot-card:hover {
  border-color: var(--accent-dim);
  transform: translateY(-2px);
}

.screenshot-card img {
  display: block;
  width: 100%;
  height: auto;
  border-bottom: 1px solid var(--accent-dark);
}

.screenshot-caption {
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ─── Demo / Comparison Split ─── */
.demo h2 { margin-bottom: 4px; }
.demo > .container > p {
  color: var(--text-dim);
  margin-bottom: 28px;
  max-width: 600px;
}

.compare-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--gap);
  margin-bottom: 20px;
}

.compare-pane {
  background: var(--surface);
  border: 1px solid var(--accent-dark);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.3s;
}

.compare-pane:hover { border-color: var(--accent-dim); }

.pane-label {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: var(--surface-alt);
  border-bottom: 1px solid var(--accent-dark);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.pane-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--text-dim);
}
.pane-dot.active { background: var(--gold); }

.compare-pane pre {
  padding: 16px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(11px, 1vw, 13px);
  line-height: 1.7;
  color: var(--text-dim);
  background: transparent;
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 420px;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--accent-dark) transparent;
}

.pane-app pre {
  color: var(--text);
}

.compare-meta {
  text-align: center;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--accent-dim);
}

/* ─── Features Grid ─── */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 340px), 1fr));
  gap: var(--gap);
  margin-top: 32px;
}

.skill-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--accent-dark);
  border-radius: var(--radius);
  padding: 24px;
  transition: border-color 0.3s, transform 0.2s, box-shadow 0.3s;
  overflow: hidden;
}

.skill-card:hover {
  border-color: var(--accent-dim);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4),
              0 0 0 1px rgba(160, 20, 20, 0.08);
}

.skill-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-dim), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}

.skill-card:hover::before { opacity: 1; }

.skill-slash {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--gold);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
  font-weight: 500;
}

.skill-desc {
  font-size: 14px;
  color: var(--text-dim);
  line-height: 1.55;
}

.skill-glyph {
  position: absolute;
  right: 16px; bottom: 16px;
  width: 48px; height: 48px;
  color: var(--accent-dim);
  opacity: 0.25;
  transition: opacity 0.3s, transform 0.3s;
}

.skill-card:hover .skill-glyph {
  opacity: 0.5;
  transform: scale(1.1);
}

.inline-glyph {
  display: inline;
  width: 1em;
  height: 1em;
  vertical-align: -0.125em;
  color: var(--accent);
}

/* ─── Phase Timeline ─── */
#phases h2 { margin-bottom: 4px; }
#phases > .container > p {
  color: var(--text-dim);
  margin-bottom: 28px;
}

.phase-timeline {
  position: relative;
  padding-left: 20px;
}

.phase-timeline::before {
  content: '';
  position: absolute;
  left: 35px; top: 0; bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom,
    var(--accent-dark),
    var(--accent) 20%,
    var(--accent-dark) 50%,
    var(--accent) 80%,
    var(--accent-dark));
  opacity: 0.5;
}

.phase-step {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: 14px 0;
  position: relative;
}

.phase-num {
  flex-shrink: 0;
  width: 52px; height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--surface-alt);
  border: 2px solid var(--accent-dark);
  border-radius: 50%;
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 500;
  color: var(--gold);
  z-index: 1;
  transition: all 0.3s;
}

.phase-step:hover .phase-num {
  border-color: var(--accent);
  box-shadow: 0 0 16px rgba(220, 50, 40, 0.15);
  background: var(--surface);
}

.phase-info {
  padding-top: 4px;
}

.phase-info strong {
  display: block;
  font-family: var(--font-heading);
  font-size: 15px;
  color: var(--text-bright);
  font-weight: 600;
  margin-bottom: 2px;
}

.phase-info span {
  font-size: 13px;
  color: var(--text-dim);
  line-height: 1.5;
}

.phase-step.final .phase-num {
  border-color: var(--accent);
  background: var(--accent-dark);
  color: var(--text-bright);
  font-weight: 700;
}

.phase-step.final .phase-info strong {
  color: var(--gold);
}

/* ─── Docs / Details ─── */
#docs h2 { margin-bottom: 4px; }
#docs > .container > p {
  color: var(--text-dim);
  margin-bottom: 20px;
}

.docs-details {
  background: var(--surface);
  border: 1px solid var(--accent-dark);
  border-radius: var(--radius);
}

.docs-details summary {
  padding: 16px 20px;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--gold);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 8px;
}

.docs-details summary::-webkit-details-marker { display: none; }

.docs-details summary::before {
  content: '\25B8';
  display: inline-block;
  transition: transform 0.2s;
  font-size: 12px;
}

.docs-details[open] summary::before {
  transform: rotate(90deg);
}

.docs-body {
  padding: 0 20px 24px;
  border-top: 1px solid var(--accent-dark);
  padding-top: 20px;
}

.docs-body p {
  font-size: 14px;
  color: var(--text-dim);
  margin-bottom: 12px;
}

.docs-body ul {
  list-style: none;
  padding: 0;
  margin-bottom: 16px;
}

.docs-body li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 8px;
  font-size: 14px;
  color: var(--text-dim);
  line-height: 1.55;
}

.docs-body li::before {
  content: '\25C6';
  position: absolute;
  left: 0;
  top: 2px;
  font-size: 8px;
  color: var(--accent-dim);
}

.docs-body li strong {
  color: var(--text);
}

.docs-body pre {
  background: var(--base);
  border: 1px solid var(--accent-dark);
  border-radius: 6px;
  padding: 14px 16px;
  margin-bottom: 16px;
  overflow-x: auto;
  font-size: 12px;
}

.docs-body pre code {
  background: none;
  padding: 0;
}

.docs-body code {
  background: var(--surface-alt);
  padding: 1px 5px;
  border-radius: 3px;
  font-size: 12px;
}

/* ─── Keyboard table ─── */
.kb-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 20px;
  font-size: 13px;
}

.kb-table td {
  padding: 8px 12px;
  border-bottom: 1px solid var(--accent-dark);
  color: var(--text-dim);
}

.kb-table td:first-child {
  width: 120px;
  white-space: nowrap;
}

.kb-table tr:last-child td {
  border-bottom: none;
}

/* ─── Footer ─── */
footer {
  border-top: 1px solid var(--accent-dark);
  padding: clamp(32px, 5vw, 56px) 0;
  position: relative;
  z-index: 2;
}

footer .container {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.foot-brand {
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 700;
  color: var(--text-bright);
}

.foot-tag {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 2px;
}

.foot-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.foot-links a {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-dim);
  text-decoration: none;
  transition: color 0.2s;
}

.foot-links a:hover { color: var(--gold); }

.foot-attrib {
  font-size: 12px;
  color: var(--text-muted);
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.foot-attrib a {
  color: var(--text-dim);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.foot-meta {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ─── Responsive ─── */
@media (max-width: 768px) {
  .hero-inner {
    flex-direction: column-reverse;
    text-align: center;
  }

  .hero-copy { display: flex; flex-direction: column; align-items: center; }

  .lede { max-width: 100%; }

  .hero-glyph {
    width: clamp(120px, 30vw, 180px);
    height: clamp(120px, 30vw, 180px);
    margin-bottom: 16px;
  }

  .compare-split {
    grid-template-columns: 1fr;
  }

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

  .install {
    flex-direction: column;
    width: 100%;
    max-width: 100%;
  }

  .install code {
    width: 100%;
    padding: 12px;
    text-align: center;
  }

  .install-copy {
    width: 100%;
    border-left: none;
    border-top: 1px solid var(--accent-dark);
  }

  .phase-timeline { padding-left: 12px; }
  .phase-timeline::before { left: 26px; }
  .phase-num { width: 42px; height: 42px; font-size: 14px; }
  .phase-info strong { font-size: 14px; }
  .phase-info span { font-size: 12px; }
}

@media (max-width: 480px) {
  h1 { font-size: 28px; }
  h2 { font-size: 22px; }

  .skill-card { padding: 18px; }

  .frame-overlay { display: none; }

  footer .container { align-items: center; text-align: center; }
  .foot-links { justify-content: center; }
  .foot-attrib { justify-content: center; }
  .foot-meta { justify-content: center; }
}

/* ─── Reduced motion ─── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .ember-layer { display: none; }
  .torch-glow { display: none; }
  .hero-glyph {
    animation: none;
    filter: drop-shadow(0 0 20px rgba(220,50,40,0.2));
  }
}

/* ─── Scrollbar ─── */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--base); }
::-webkit-scrollbar-thumb {
  background: var(--accent-dark);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover { background: var(--accent-dim); }