/*@import "tailwindcss";*/

/* ── Saidpur Somity CSS Variables ── */
:root {
  --indigo-deep:    #0F1A2C;
  --indigo-primary: #1B2A4A;
  --indigo-light:   #2C3E66;
  --indigo-muted:   #3D5080;
  --amber-glow:     #F4A261;
  --amber-dark:     #E67E22;
  --amber-light:    #FAC28A;
  --railway-steel:  #4A5568;
  --railway-light:  #718096;
  --nilsagar-teal:  #2A9D8F;
  --teal-light:     #48C9B0;
  --night-sky:      #0A0E17;

  /* Light mode surfaces */
  --bg-primary:   #FDFAF6;
  --bg-secondary: #F0EBE3;
  --bg-card:      #FFFFFF;
  --text-primary:   #0F1A2C;
  --text-secondary: #4A5568;
  --text-muted:     #718096;
  --border-color:   #E2D9CE;
  --shadow-color:   rgba(15,26,44,0.1);
}

[data-theme="dark"] {
  --bg-primary:   #0A0E17;
  --bg-secondary: #0F1A2C;
  --bg-card:      #1B2A4A;
  --text-primary:   #F5F0E8;
  --text-secondary: #B0BCCE;
  --text-muted:     #718096;
  --border-color:   #2C3E66;
  --shadow-color:   rgba(0,0,0,0.4);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: 'DM Sans', sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  transition: background-color 0.3s ease, color 0.3s ease;
  overflow-x: hidden;
}

/* Bengali font class */
.bn { font-family: 'Noto Sans Bengali', sans-serif; }

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s cubic-bezier(0.16,1,0.3,1),
              transform 0.7s cubic-bezier(0.16,1,0.3,1);
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* Rail divider */
.rail-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 16px 0;
}
.rail-divider::before,
.rail-divider::after {
  content: '';
  flex: 1;
  height: 2px;
  background: repeating-linear-gradient(
    90deg,
    var(--indigo-muted) 0px, var(--indigo-muted) 12px,
    transparent 12px, transparent 20px
  );
  opacity: 0.4;
}

/* Ticker animation */
@keyframes tickerScroll {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}
.ticker-animate { animation: tickerScroll 30s linear infinite; }

/* Train preloader */
@keyframes trainMove {
  0%   { left: -40%; }
  100% { left: 100%; }
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes pulse {
  0%,100% { opacity: 1; }
  50%      { opacity: 0.5; }
}
@keyframes scrollWheel {
  0%   { transform: translateY(0); opacity:1; }
  100% { transform: translateY(10px); opacity:0; }
}
.scroll-wheel-anim { animation: scrollWheel 1.5s ease-in-out infinite; }





/* ── Sidebar layout ───────────────────────────────────────── */
.sidebar-layout {
  display: grid;
  grid-template-columns: 220px 1fr 270px;
  gap: 28px;
  align-items: start;
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

/* ── Ad card ──────────────────────────────────────────────── */
.ad-card          { transition: transform 0.2s, box-shadow 0.2s; }
.ad-card:hover    { transform: translateY(-3px); box-shadow: 0 8px 28px var(--shadow-color); }

/* ── Wish card ────────────────────────────────────────────── */
.wish-card        { transition: transform 0.2s, box-shadow 0.2s; }
.wish-card:hover  { transform: translateY(-3px); box-shadow: 0 8px 28px var(--shadow-color); }

/* ── Mobile breakpoints ───────────────────────────────────── */
@media (max-width: 1100px) {
  .sidebar-layout {
    grid-template-columns: 1fr 1fr;
    grid-template-areas:
      "features features"
      "wishlist ads";
  }
  .sidebar-ads      { grid-area: ads; }
  .sidebar-features { grid-area: features; }
  .sidebar-wishlist { grid-area: wishlist; }
  .features-grid    { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 700px) {
  .sidebar-layout {
    grid-template-columns: 1fr;
    grid-template-areas:
      "features"
      "wishlist"
      "ads";
  }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 400px) {
  .features-grid { grid-template-columns: 1fr; }
}