/* ============================================================
   شؤون الهلال الأحمر — style.css
   ============================================================ */

/* ---- Google Fonts (Arabic) ---- */
@import url('https://fonts.googleapis.com/css2?family=Cairo:wght@300;400;600;700;900&family=Tajawal:wght@300;400;500;700;800&display=swap');

/* ============================================================
   CSS VARIABLES — DARK THEME (Default)
   ============================================================ */
:root {
  --red-vivid:     #ff1e1e;
  --red-bright:    #ff3737;
  --red-deep:      #cc0000;
  --red-glow:      rgba(255, 30, 30, 0.35);
  --red-glow-soft: rgba(255, 30, 30, 0.12);

  --bg-primary:    #0a0a0a;
  --bg-secondary:  #111111;
  --bg-card:       #141414;
  --bg-card-hover: #1a1a1a;

  --border-subtle: rgba(255, 255, 255, 0.06);
  --border-card:   rgba(255, 30, 30, 0.18);
  --border-hover:  rgba(255, 30, 30, 0.55);

  --text-primary:  #f5f5f5;
  --text-secondary:#a0a0a0;
  --text-muted:    #606060;
  --text-accent:   #ff1e1e;

  --tag-bg:        rgba(255, 30, 30, 0.1);
  --tag-color:     #ff6060;

  --navbar-bg:     rgba(10, 10, 10, 0.85);
  --shadow-card:   0 8px 40px rgba(0,0,0,0.5);
  --shadow-hover:  0 20px 60px rgba(255, 30, 30, 0.25);
  --shadow-btn:    0 4px 20px rgba(255, 30, 30, 0.4);

  --transition:    0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: 0.18s ease;
}

/* ============================================================
   CSS VARIABLES — LIGHT THEME
   ============================================================ */
[data-theme="light"] {
  --bg-primary:    #fafafa;
  --bg-secondary:  #f0f0f0;
  --bg-card:       #ffffff;
  --bg-card-hover: #fff5f5;

  --border-subtle: rgba(0, 0, 0, 0.07);
  --border-card:   rgba(220, 0, 0, 0.2);
  --border-hover:  rgba(200, 0, 0, 0.6);

  --text-primary:  #111111;
  --text-secondary:#444444;
  --text-muted:    #888888;
  --text-accent:   #cc0000;

  --tag-bg:        rgba(220, 0, 0, 0.08);
  --tag-color:     #b30000;

  --navbar-bg:     rgba(255, 255, 255, 0.88);
  --shadow-card:   0 8px 40px rgba(0,0,0,0.1);
  --shadow-hover:  0 20px 60px rgba(200, 0, 0, 0.18);
  --shadow-btn:    0 4px 20px rgba(200, 0, 0, 0.3);

  --red-glow:      rgba(220, 0, 0, 0.22);
  --red-glow-soft: rgba(220, 0, 0, 0.06);
}

/* ============================================================
   RESET & BASE
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Cairo', 'Tajawal', sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  direction: rtl;
  min-height: 100vh;
  overflow-x: hidden;
  transition: background-color var(--transition), color var(--transition);
}

/* Animated background grid */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,30,30,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,30,30,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: 0;
  transition: opacity var(--transition);
}

[data-theme="light"] body::before {
  background-image:
    linear-gradient(rgba(200,0,0,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(200,0,0,0.04) 1px, transparent 1px);
}

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(1.5rem, 5vw, 4rem);
  height: 70px;
  background: var(--navbar-bg);
  backdrop-filter: blur(20px) saturate(1.5);
  -webkit-backdrop-filter: blur(20px) saturate(1.5);
  border-bottom: 1px solid var(--border-subtle);
  transition: background var(--transition), border-color var(--transition);
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-icon {
  width: 38px;
  height: 38px;
  color: var(--red-vivid);
  filter: drop-shadow(0 0 8px var(--red-glow));
  flex-shrink: 0;
  transition: color var(--transition), filter var(--transition);
}

.brand-title {
  font-family: 'Cairo', sans-serif;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.01em;
  transition: color var(--transition);
}

/* ---- Theme Toggle Button ---- */
.theme-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1.1rem;
  border-radius: 50px;
  border: 1.5px solid var(--border-card);
  background: var(--red-glow-soft);
  color: var(--text-primary);
  font-family: 'Cairo', sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

.theme-btn:hover {
  background: var(--red-glow);
  border-color: var(--red-bright);
  transform: scale(1.04);
  box-shadow: var(--shadow-btn);
}

.theme-icon { font-size: 1rem; }
.theme-label { display: inline; }

/* Toggle visibility by theme */
[data-theme="dark"]  .light-icon,
[data-theme="dark"]  .light-label { display: none; }
[data-theme="light"] .dark-icon,
[data-theme="light"] .dark-label  { display: none; }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 52vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 120px 2rem 60px;
  text-align: center;
  overflow: hidden;
  z-index: 1;
}

/* glowing radial behind hero */
.hero::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 700px;
  height: 400px;
  background: radial-gradient(ellipse, var(--red-glow) 0%, transparent 70%);
  pointer-events: none;
  animation: pulseGlow 4s ease-in-out infinite;
}

@keyframes pulseGlow {
  0%, 100% { opacity: 0.6; transform: translate(-50%, -50%) scale(1); }
  50%       { opacity: 1;   transform: translate(-50%, -50%) scale(1.1); }
}

.hero-content { position: relative; z-index: 2; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 1.2rem;
  border-radius: 50px;
  border: 1px solid var(--border-card);
  background: var(--red-glow-soft);
  color: var(--text-accent);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  margin-bottom: 1.4rem;
  animation: fadeDown 0.7s ease both;
}

.hero-title {
  font-family: 'Cairo', sans-serif;
  font-size: clamp(2.4rem, 6vw, 4.5rem);
  font-weight: 900;
  line-height: 1.2;
  color: var(--text-primary);
  margin-bottom: 1rem;
  animation: fadeDown 0.7s 0.1s ease both;
  transition: color var(--transition);
}

.hero-title .accent {
  color: var(--red-vivid);
  text-shadow: 0 0 30px var(--red-glow), 0 0 60px rgba(255,30,30,0.2);
  transition: color var(--transition), text-shadow var(--transition);
}

.hero-sub {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: var(--text-secondary);
  font-weight: 400;
  margin-bottom: 2rem;
  animation: fadeDown 0.7s 0.2s ease both;
  transition: color var(--transition);
}

.hero-divider {
  width: 80px;
  height: 3px;
  border-radius: 3px;
  background: linear-gradient(90deg, transparent, var(--red-vivid), transparent);
  margin: 0 auto;
  animation: fadeDown 0.7s 0.3s ease both;
}

.scroll-hint {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  margin-top: 1.5rem;
  color: var(--text-muted);
  font-size: 0.8rem;
  animation: fadeDown 0.7s 0.5s ease both;
  transition: color var(--transition);
}

.scroll-arrow {
  animation: bounceDown 2s ease-in-out infinite;
  font-size: 1.1rem;
  color: var(--text-accent);
}

@keyframes bounceDown {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(6px); }
}

@keyframes fadeDown {
  from { opacity: 0; transform: translateY(-18px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ============================================================
   CARDS SECTION
   ============================================================ */
.cards-section {
  position: relative;
  z-index: 1;
  padding: 20px clamp(1.5rem, 6vw, 5rem) 80px;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.6rem;
  max-width: 1000px;
  margin: 0 auto;
}

/* ============================================================
   CARD
   ============================================================ */
.card {
  position: relative;
  border-radius: 20px;
  border: 1px solid var(--border-card);
  background: var(--bg-card);
  padding: 0;
  cursor: pointer;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition:
    transform var(--transition),
    box-shadow var(--transition),
    border-color var(--transition),
    background var(--transition);
  animation: fadeUp 0.6s ease both;
}

.card:nth-child(1) { animation-delay: 0.1s; }
.card:nth-child(2) { animation-delay: 0.22s; }
.card:nth-child(3) { animation-delay: 0.34s; }
.card:nth-child(4) { animation-delay: 0.46s; }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}

.card:hover, .card:focus-visible {
  transform: translateY(-8px) scale(1.01);
  box-shadow: var(--shadow-hover);
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
  outline: none;
}

/* Glow overlay on hover */
.card-glow {
  position: absolute;
  inset: -1px;
  border-radius: 20px;
  background: radial-gradient(circle at 50% 0%, var(--red-glow-soft), transparent 60%);
  opacity: 0;
  transition: opacity var(--transition);
  pointer-events: none;
  z-index: 0;
}

.card:hover .card-glow,
.card:focus-visible .card-glow { opacity: 1; }

/* Featured card */
.card-featured {
  border-color: rgba(255, 30, 30, 0.4);
  background: linear-gradient(160deg, #1a0a0a 0%, var(--bg-card) 50%);
}

[data-theme="light"] .card-featured {
  background: linear-gradient(160deg, #fff5f5 0%, var(--bg-card) 50%);
}

.card-featured .card-glow {
  background: radial-gradient(circle at 50% 0%, rgba(255,30,30,0.18), transparent 60%);
  opacity: 1;
}

/* Top accent line */
.card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--red-vivid), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}

.card:hover::after,
.card:focus-visible::after,
.card-featured::after { opacity: 1; }

.card-inner {
  position: relative;
  z-index: 1;
  padding: 2rem 1.8rem 1.8rem;
  height: 100%;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

/* Badge top */
.card-badge-top {
  position: absolute;
  top: 1rem;
  left: 1rem;
  padding: 0.2rem 0.75rem;
  background: var(--red-vivid);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  border-radius: 50px;
  letter-spacing: 0.04em;
  box-shadow: 0 2px 12px var(--red-glow);
}

/* Card Number */
.card-number {
  font-family: 'Cairo', sans-serif;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--red-vivid);
  letter-spacing: 0.15em;
  opacity: 0.7;
}

/* Icon */
.card-icon-wrap {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  border: 1.5px solid var(--border-card);
  background: var(--red-glow-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.4rem;
  transition: all var(--transition);
}

.card:hover .card-icon-wrap,
.card:focus-visible .card-icon-wrap {
  border-color: var(--red-bright);
  background: var(--red-glow);
  transform: scale(1.06) rotate(-3deg);
  box-shadow: 0 0 20px var(--red-glow);
}

.card-icon {
  width: 34px;
  height: 34px;
  color: var(--red-vivid);
  transition: color var(--transition);
}

/* Card Title */
.card-title {
  font-family: 'Cairo', sans-serif;
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.3;
  transition: color var(--transition);
}

/* Card Description */
.card-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.75;
  font-weight: 400;
  flex: 1;
  transition: color var(--transition);
}

/* Tags */
.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: auto;
}

.tag {
  padding: 0.25rem 0.7rem;
  background: var(--tag-bg);
  color: var(--tag-color);
  border-radius: 50px;
  font-size: 0.74rem;
  font-weight: 600;
  border: 1px solid rgba(255, 30, 30, 0.15);
  transition: all var(--transition-fast);
}

.card:hover .tag {
  background: rgba(255, 30, 30, 0.18);
  border-color: rgba(255, 30, 30, 0.35);
}

/* Card Button */
.card-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 1rem;
  padding: 0.75rem 1.1rem;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--red-deep), var(--red-vivid));
  color: #fff;
  font-size: 0.9rem;
  font-weight: 700;
  transition: all var(--transition);
  box-shadow: 0 4px 16px rgba(255, 30, 30, 0.3);
}

.card:hover .card-btn {
  background: linear-gradient(135deg, var(--red-vivid), var(--red-deep));
  box-shadow: 0 6px 24px rgba(255, 30, 30, 0.5);
}

.btn-arrow {
  font-size: 1rem;
  transition: transform var(--transition);
}

.card:hover .btn-arrow { transform: translateX(-4px); }

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  position: relative;
  z-index: 1;
  padding: 2.5rem 2rem;
  border-top: 1px solid var(--border-subtle);
  text-align: center;
  transition: border-color var(--transition);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.footer-logo {
  width: 32px;
  height: 32px;
  color: var(--red-vivid);
  opacity: 0.6;
  transition: color var(--transition);
}

.footer-text {
  font-size: 0.82rem;
  color: var(--text-muted);
  font-weight: 400;
  transition: color var(--transition);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
  .cards-grid {
    grid-template-columns: 1fr 1fr;
    gap: 1.2rem;
  }
}

@media (max-width: 600px) {
  .cards-grid {
    grid-template-columns: 1fr;
  }
  .brand-title {
    font-size: 0.95rem;
  }
  .theme-label {
    display: none;
  }
  .hero-title {
    font-size: 2rem;
  }
  .navbar {
    padding: 0 1.2rem;
  }
}

@media (max-width: 400px) {
  .cards-section {
    padding: 10px 1rem 60px;
  }
  .card-inner {
    padding: 1.5rem 1.3rem;
  }
}