/* ==========================================
   GLOBAL THEME FIXED — LIGHT + DARK PERFECT
========================================== */

:root {
  --bg: #f4f7fb;               /* LIGHT MODE BACKGROUND */
  --card: #ffffff;             /* Card white in light mode */
  --text: #0a0f1a;             /* Dark navy text (perfect visibility) */
  --muted: #4b5563;
  --accent: #6c63ff;
  --accent-2: #9b5fff;
  --glass: rgba(0,0,0,0.06);
  --radius: 16px;
  --shadow: 0 8px 24px rgba(0,0,0,0.08);
}

:root[data-theme="dark"] {
  --bg: #0b0f17;               /* DARK MODE BACKGROUND */
  --card: #101826;             /* Dark blue card */
  --text: #e8eef9;             /* Bright white text */
  --muted: #9aa6b2;           
  --accent: #64d3ff;
  --accent-2: #a86bff;
  --glass: rgba(255,255,255,0.05);
  --shadow: 0 10px 30px rgba(0,0,0,0.55);
}

/* ==========================================
   BASE
========================================== */

* {
  box-sizing: border-box;
  font-family: "Poppins", system-ui, Arial;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  transition: 0.3s background, 0.3s color;
}

/* ==========================================
   HERO SECTION
========================================== */

.header-hero {
  width: 100%;
  height: 260px;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
}

.header-hero img {
  width: 100%;
  height: 260px;
  object-fit: cover;
  filter: brightness(0.72) contrast(1.15);  /* MUCH CLEARER NOW */
}

.hero-content {
  position: absolute;
  left: 40px;
  top: 40px;
  text-shadow: 0 3px 12px rgba(0,0,0,0.45);
}

.hero-content h1 {
  font-size: 42px;
  margin: 0 0 6px 0;
  font-weight: 800;
  color: white;  /* ALWAYS VISIBLE */
}

.hero-content p {
  color: white;
  font-size: 16px;
  opacity: 0.9;
}

/* ==========================================
   GRID LAYOUT
========================================== */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
  gap: 40px;
  max-width: 1200px;
  margin: 40px auto;
  padding: 0 20px 80px;
}

/* ==========================================
   CARD
========================================== */

.card {
  background: var(--card);
  padding: 28px;
  border-radius: var(--radius);
  border: 1px solid var(--glass);
  box-shadow: var(--shadow);
  transition: 0.2s transform;
}

.card:hover {
  transform: translateY(-8px);
}

/* Headers inside card */
.card-title {
  font-size: 24px;
  font-weight: 800;
  margin-bottom: 10px;
  color: var(--text);
}

.card-desc {
  color: var(--muted);
  font-size: 15px;
}

/* ==========================================
   TAGS
========================================== */
.card-accent {
  display: inline-block;
  padding: 8px 14px;
  border-radius: 14px;
  color: white;
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 10px;
}

.accent-purple {
  background: linear-gradient(90deg, #9b5fff, #6c63ff);
}

.accent-green {
  background: linear-gradient(90deg, #00c9a7, #5fe3b6);
}

/* ==========================================
   FOOTER
========================================== */
.card-footer {
  margin-top: 18px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.small {
  font-size: 0.9rem;
  color: var(--muted);
}

/* ==========================================
   BUTTONS
========================================== */

.glow-btn {
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  border: none;
  padding: 10px 18px;
  color: white;
  font-weight: 700;
  border-radius: 12px;
  cursor: pointer;
  transition: 0.2s;
}

.glow-btn:hover {
  transform: translateY(-3px);
}

/* ==========================================
   MOBILE
========================================== */
@media(max-width:720px){
  .hero-content h1 { font-size: 30px; }
  .grid { gap: 22px; }
}