/* ===========================
   JavaMT5 — custom.css (calm aurora)
   =========================== */

/* 1) Material Symbols (Rounded) — icon font */
@import url('https://fonts.googleapis.com/css2?family=Material+Symbols+Rounded:wght,FILL,GRAD@400..700,0..1,0..200');

.material-symbols-rounded{
  font-family: 'Material Symbols Rounded';
  font-weight: 500;
  font-style: normal;
  font-size: 1.25rem;
  line-height: 1;
  display: inline-block;
  font-variation-settings: 'FILL' 0, 'wght' 500, 'GRAD' 0, 'opsz' 48;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  letter-spacing: normal;
  white-space: nowrap;
}

/* 2) Background: Light theme (default) - soft yellow-orange gradient */
[data-md-color-scheme="default"] body {
  background: linear-gradient(135deg, #fff9f0 0%, #fff5e8 50%, #fff8f0 100%);
  background-attachment: fixed;
}

[data-md-color-scheme="default"] body::before{
  content:"";
  position:fixed; inset:0; z-index:0; pointer-events:none;
  background:
    radial-gradient(50% 50% at 30% 20%, rgba(255,193,7,.03), transparent 50%),
    radial-gradient(60% 60% at 70% 60%, rgba(255,152,0,.04), transparent 55%),
    radial-gradient(45% 45% at 50% 80%, rgba(255,179,0,.02), transparent 50%);
  filter: blur(40px);
  animation: warmGlow 60s ease-in-out infinite;
  opacity:.5;
}

/* Background: Dark theme (slate) - dark gradient with warmth */
[data-md-color-scheme="slate"] body {
  background: linear-gradient(135deg, #0a0e17 0%, #1a1f2e 50%, #0f1419 100%);
  background-attachment: fixed;
}

[data-md-color-scheme="slate"] body::before{
  content:"";
  position:fixed; inset:0; z-index:0; pointer-events:none;
  background:
    radial-gradient(50% 50% at 30% 20%, rgba(255,193,7,.06), transparent 50%),
    radial-gradient(60% 60% at 70% 60%, rgba(255,152,0,.08), transparent 55%),
    radial-gradient(45% 45% at 50% 80%, rgba(255,111,0,.05), transparent 50%);
  filter: blur(40px);
  animation: warmGlow 60s ease-in-out infinite;
  opacity:.8;
}
@keyframes warmGlow{
  0%   { transform: translate3d(0,0,0) scale(1); }
  50%  { transform: translate3d(3%,2%,0) scale(1.03); }
  100% { transform: translate3d(0,0,0) scale(1); }
}
.md-container, .md-main, .md-content { position: relative; z-index: 1; }

@media (prefers-reduced-motion: reduce){
  body::before{ animation: none !important; }
}

/* 3) Pyramid Grid: 1-2-3 layout */
.home-grid{
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1rem;
  margin: 1.2rem 0 2.2rem;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

/* First card - centered, spans 2 columns, offset by 2 */
.home-grid .card:nth-child(1) {
  grid-column: 3 / 5;
}

/* Second row - 2 cards, each spans 2 columns */
.home-grid .card:nth-child(2) {
  grid-column: 2 / 4;
}
.home-grid .card:nth-child(3) {
  grid-column: 4 / 6;
}

/* Third row - 3 cards, each spans 2 columns */
.home-grid .card:nth-child(4) {
  grid-column: 1 / 3;
}
.home-grid .card:nth-child(5) {
  grid-column: 3 / 5;
}
.home-grid .card:nth-child(6) {
  grid-column: 5 / 7;
}

/* Responsive: tablet */
@media (max-width: 960px){
  .home-grid{
    grid-template-columns: repeat(2, 1fr);
  }
  .home-grid .card:nth-child(1),
  .home-grid .card:nth-child(2),
  .home-grid .card:nth-child(3),
  .home-grid .card:nth-child(4),
  .home-grid .card:nth-child(5),
  .home-grid .card:nth-child(6) {
    grid-column: span 1;
  }
}

/* Responsive: mobile */
@media (max-width: 620px){
  .home-grid{
    grid-template-columns: 1fr;
  }
}

/* 4) Cards: glass + gradient frame */
.card{
  position:relative; display:block;
  padding:1.5rem 1.2rem; min-height:180px;
  border-radius:16px; text-decoration:none; color:inherit;
  text-align: center;
  border:2px solid transparent;
  backdrop-filter: blur(8px);
  transform-style: preserve-3d;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-width .2s ease;
}

/* Light theme cards */
[data-md-color-scheme="default"] .card{
  background:
    linear-gradient(180deg, rgba(255,255,255,.95), rgba(248,250,252,.92)) padding-box,
    linear-gradient(135deg, rgb(var(--g1)), rgb(var(--g2))) border-box;
  box-shadow:0 8px 20px rgba(0,0,0,.08);
}

/* Dark theme cards */
[data-md-color-scheme="slate"] .card{
  background:
    linear-gradient(180deg, rgba(15,20,30,.92), rgba(10,14,23,.88)) padding-box,
    linear-gradient(135deg, rgb(var(--g1)), rgb(var(--g2))) border-box;
  box-shadow:0 12px 28px rgba(0,0,0,.3);
}

.card h3{ margin:.6rem 0 .3rem; font-weight:700; font-size:1.15rem; letter-spacing:.3px; }
.card p{ margin:0; font-size:.88rem; line-height:1.3rem; opacity:.88; }

/* 5) Centered icon with gradient fill */
.card .material-symbols-rounded{
  display: block;
  font-size: 2.8rem;
  margin: 0 auto .5rem;
  background: linear-gradient(135deg, rgb(var(--g1)), rgb(var(--g2)));
  -webkit-background-clip: text;
          background-clip: text;
  color: transparent;
  filter: drop-shadow(0 6px 18px rgba(var(--g1), .3));
}

/* 6) Hover Cards: Easy Lift and Inner Shade */
.card:hover{
  transform: translateY(-4px);
  border-width: 3px;
}

[data-md-color-scheme="default"] .card:hover{
  box-shadow: 0 12px 32px rgba(0,0,0,.15);
  background:
    linear-gradient(180deg, rgba(255,255,255,.98), rgba(248,250,252,.95)) padding-box,
    linear-gradient(135deg, rgb(var(--g1)), rgb(var(--g2))) border-box;
}

[data-md-color-scheme="slate"] .card:hover{
  box-shadow: 0 18px 40px rgba(0,0,0,.45);
  background:
    linear-gradient(180deg, rgba(20,25,35,.95), rgba(15,20,30,.92)) padding-box,
    linear-gradient(135deg, rgb(var(--g1)), rgb(var(--g2))) border-box;
}

/* 7) Side color glow (soft, color = card gradient) */
.card::after{
  content:""; position:absolute; inset:-1px; border-radius:inherit; pointer-events:none;
  background:
    radial-gradient(60% 90% at -12% 50%, rgba(var(--g1), .18), transparent 60%),
    radial-gradient(60% 90% at 112% 50%, rgba(var(--g2), .18), transparent 60%);
  opacity:0; transition: opacity .22s ease;
}
.card:hover::after{ opacity:.7; }

/* 8) Warm Gradient Palette (Golden to Amber) */
.card.yellow-1{
  --g1: 255,215,64;   /* golden yellow */
  --g2: 255,179,0;    /* amber */
}
.card.yellow-2{
  --g1: 255,167,38;   /* warm amber */
  --g2: 251,140,0;    /* deep amber */
}
.card.yellow-3{
  --g1: 245,124,0;    /* burnt orange */
  --g2: 230,81,0;     /* deep orange */
}

/* 9) Accessibility */
@media (prefers-reduced-motion: reduce){
  .card{ transition: none !important; }
}

/* 10) Code blocks enhancement - Light theme */
[data-md-color-scheme="default"] .md-typeset code {
  background-color: rgba(99,102,241,.06);
  border: 1px solid rgba(99,102,241,.15);
}

[data-md-color-scheme="default"] .md-typeset pre {
  background-color: rgba(248,250,252,.95);
  border: 1px solid rgba(99,102,241,.2);
  box-shadow: 0 2px 8px rgba(0,0,0,.06);
}

/* Code blocks enhancement - Dark theme */
[data-md-color-scheme="slate"] .md-typeset code {
  background-color: rgba(99,102,241,.08);
  border: 1px solid rgba(99,102,241,.12);
}

[data-md-color-scheme="slate"] .md-typeset pre {
  background-color: rgba(13,17,23,.92);
  border: 1px solid rgba(99,102,241,.15);
  box-shadow: 0 4px 12px rgba(0,0,0,.3);
}

/* 11) Architecture diagram styling - Light theme */
[data-md-color-scheme="default"] .architecture-diagram {
  background: linear-gradient(180deg, rgba(248,250,252,.95), rgba(241,245,249,.92));
  border: 1px solid rgba(99,102,241,.2);
  border-radius: 12px;
  padding: 1.5rem;
  margin: 1rem 0;
  text-align: center;
  line-height: 2;
  font-size: 0.95rem;
  box-shadow: 0 2px 8px rgba(0,0,0,.06);
}

[data-md-color-scheme="default"] .architecture-diagram strong {
  color: #5b21b6;
  font-size: 1.05rem;
}

/* Architecture diagram styling - Dark theme */
[data-md-color-scheme="slate"] .architecture-diagram {
  background: linear-gradient(180deg, rgba(13,17,23,.86), rgba(13,17,23,.82));
  border: 1px solid rgba(99,102,241,.15);
  border-radius: 12px;
  padding: 1.5rem;
  margin: 1rem 0;
  text-align: center;
  line-height: 2;
  font-size: 0.95rem;
  box-shadow: 0 4px 12px rgba(0,0,0,.3);
}

[data-md-color-scheme="slate"] .architecture-diagram strong {
  color: #ffd740;
  font-size: 1.05rem;
}