/*
 * STRIKE - Home Page Styles
 * Homepage-specific styling and animations
 */

/* ============================================
 * TABLE OF CONTENTS
 * ============================================
 * 
 * 1. HERO SECTION
 *    - Background Slider
 *    - Hero Container
 *    - Hero Title (STRIKE)
 *    - Hero Subtitle
 *    - Hero Badge (CODER ARMY)
 *    - Hero Description
 * 
 * 2. HERO ANIMATIONS
 *    - Title Animations
 *    - Subtitle Animations
 *    - Badge Animations
 *    - Glitch Effects
 * 
 * 3. COURSES SECTION
 *    - Course Grid
 *    - Course Cards
 *    - Hover Effects
 * 
 * 4. OTHER SECTIONS
 *    - About Section
 *    - Contact Section
 * 
 * 5. RESPONSIVE DESIGN
 *    - Mobile Styles
 *    - Tablet Styles
 *    - Small Device Styles
 * 
 * ============================================ */

/* ============================================
 * 1. HERO SECTION
 * ============================================ */

/* Rotating Background Images Animation */
.hero-bg-slider {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.hero-bg-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0;
  animation: bgSlide 10s infinite;
}

/* Set background images for each slide */
.hero-bg-slide:nth-child(1) {
  background-image: url('images/image1.jpg');
  animation-delay: 0s;
}

.hero-bg-slide:nth-child(2) {
  background-image: url('images/image7.png');
  animation-delay: 2s;
}

.hero-bg-slide:nth-child(3) {
  background-image: url('images/image14.png');
  animation-delay: 4s;
}

.hero-bg-slide:nth-child(4) {
  background-image: url('images/image17.png');
  animation-delay: 6s;
}

.hero-bg-slide:nth-child(5) {
  background-image: url('images/image16.png');
  animation-delay: 8s;
}

.hero-bg-slide:nth-child(6) {
  background-image: url('images/image20.jpg');
  animation-delay: 10s;
}

.hero-bg-slide:nth-child(7) {
  background-image: url('images/image4.jpg');
  animation-delay: 10s;
}

/* Smooth fade in/out animation */
@keyframes bgSlide {
  0% {
    opacity: 0;
  }
  4% {
    opacity: 1;
  }
  20% {
    opacity: 1;
  }
  24% {
    opacity: 0;
  }
  100% {
    opacity: 0;
  }
}

/* Hero Section - Home Page */
.home-page .hero {
  min-height: 100vh;
  background-color: #1a1a1a;
}

/* Reduce overlay darkness for home page */
.home-page .hero::before {
  background: radial-gradient(
    ellipse at center,
    rgba(0, 0, 0, 0.5) 0%,
    rgba(0, 0, 0, 0.75) 100%
  ) !important;
  z-index: 1;
}

/* --- Matrix Code Particles (Pure CSS) --- */
.matrix-particles {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2;
  opacity: 0.3;
  pointer-events: none;
  overflow: hidden;
}

.matrix-column {
  position: absolute;
  top: -100%;
  width: 20px;
  height: 100vh;
  font-family: 'Courier New', monospace;
  font-size: 14px;
  color: #00ffc2;
  text-shadow: 0 0 5px #00ffc2;
  animation: matrixFall 8s linear infinite;
  white-space: nowrap;
  line-height: 1.5;
}

.matrix-column::before {
  content: '0\A1\A0\A0\A1\A0\A1\A0\A0\A1\A1\A0\A1\A0\A0\A1\A0\A1\A1\A0\A0\A1\A0\A1\A0\A1\A1\A0\A0\A1';
  white-space: pre;
  display: block;
}

.matrix-column:nth-child(2n)::before {
  content: '1\A0\A1\A0\A1\A0\A0\A1\A1\A0\A0\A1\A0\A1\A1\A0\A1\A0\A0\A1\A0\A1\A0\A1\A1\A0\A0\A1\A0\A1';
  color: #00d4aa;
}

.matrix-column:nth-child(3n)::before {
  content: '0\A1\A1\A0\A0\A1\A0\A1\A0\A0\A1\A1\A0\A1\A0\A0\A1\A0\A1\A1\A0\A0\A1\A0\A1\A0\A1\A1\A0\A0';
  color: #ffd700;
  text-shadow: 0 0 5px #ffd700;
}

.matrix-column:nth-child(4n)::before {
  content: '1\A1\A0\A1\A0\A0\A1\A1\A0\A1\A0\A1\A0\A0\A1\A0\A1\A1\A0\A0\A1\A0\A1\A0\A1\A1\A0\A0\A1\A0';
  color: #00ffff;
}

.matrix-column:nth-child(5n) {
  animation-duration: 10s;
}

.matrix-column:nth-child(7n) {
  animation-duration: 6s;
}

.matrix-column:nth-child(11n) {
  animation-duration: 12s;
}

.matrix-column:nth-child(13n) {
  animation-duration: 7s;
}

@keyframes matrixFall {
  0% {
    top: -100%;
    opacity: 0;
  }
  10% {
    opacity: 1;
  }
  90% {
    opacity: 1;
  }
  100% {
    top: 100%;
    opacity: 0;
  }
}

/* --- Tactical Grid Overlay --- */
.tactical-grid-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    linear-gradient(rgba(0, 255, 194, 0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 255, 194, 0.1) 1px, transparent 1px);
  background-size: 50px 50px;
  z-index: 3;
  opacity: 0.6;
  animation: gridMove 20s linear infinite;
  pointer-events: none;
}

@keyframes gridMove {
  0% {
    background-position: 0 0;
  }
  100% {
    background-position: 50px 50px;
  }
}

/* Hero Title Wrapper */
.hero-title-wrapper {
  margin-bottom: 2rem;
}

/* Animated Hero Title - Retro 80s Style */
.hero-title-animated {
  font-size: clamp(4rem, 12vw, 9rem);
  font-weight: 900;
  color: #ffd700; /* Gold/Yellow base */
  opacity: 0;
  transform: translateY(-50px) scale(0.9);
  animation: 
    titleReveal 1.2s cubic-bezier(0.68, -0.55, 0.265, 1.55) forwards,
    tacticalPulse 3s ease-in-out 1.5s infinite,
    glitchShift 8s ease-in-out 2s infinite;
  margin-bottom: 1rem;
  position: relative;
  letter-spacing: 0.05em;
  
  /* Enhanced layered text effect with stronger shadows and outline */
  text-shadow: 
    /* Strong black outline for contrast */
    -3px -3px 0 #000,
    3px -3px 0 #000,
    -3px 3px 0 #000,
    3px 3px 0 #000,
    -4px 0 0 #000,
    4px 0 0 #000,
    0 -4px 0 #000,
    0 4px 0 #000,
    /* Intense glow */
    0 0 30px rgba(255, 215, 0, 1),
    0 0 60px rgba(255, 215, 0, 0.9),
    0 0 90px rgba(255, 215, 0, 0.7),
    /* 3D depth with cyan */
    0 3px 0 #00d4aa,
    0 6px 0 #00d4aa,
    0 9px 0 #00d4aa,
    0 12px 0 #00c9a0,
    0 15px 0 #00be96,
    0 18px 0 #00b38c,
    0 21px 0 #00a882,
    /* Deep shadows for visibility */
    0 24px 10px rgba(0, 0, 0, 0.8),
    0 30px 20px rgba(0, 0, 0, 0.6),
    0 40px 40px rgba(0, 0, 0, 0.4);
  
  /* Add semi-transparent background for extra visibility */
  background: linear-gradient(
    180deg,
    rgba(0, 0, 0, 0.6) 0%,
    rgba(0, 0, 0, 0.4) 50%,
    rgba(0, 0, 0, 0.6) 100%
  );
  -webkit-background-clip: unset;
  background-clip: unset;
  padding: 0.5rem 1.5rem;
  border-radius: 20px;
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}

/* Chromatic Aberration Effect - Red Channel */
.hero-title-animated::before {
  content: 'STRIKE';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  color: #ff0040;
  opacity: 0;
  z-index: -1;
  mix-blend-mode: screen;
  animation: chromaticRed 4s ease-in-out infinite;
  text-shadow: none;
  background: none;
  padding: 0.5rem 1.5rem;
}

/* Chromatic Aberration Effect - Cyan Channel */
.hero-title-animated::after {
  content: 'STRIKE';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  color: #00ffff;
  opacity: 0;
  z-index: -1;
  mix-blend-mode: screen;
  animation: chromaticCyan 4s ease-in-out infinite;
  text-shadow: none;
  background: none;
  padding: 0.5rem 1.5rem;
}

/* Chromatic Aberration Animations */
@keyframes chromaticRed {
  0%, 100% {
    transform: translate(0, 0);
    opacity: 0;
  }
  10% {
    transform: translate(-4px, 0);
    opacity: 0.8;
  }
  20% {
    transform: translate(-2px, 1px);
    opacity: 0.6;
  }
  30% {
    transform: translate(0, 0);
    opacity: 0;
  }
}

@keyframes chromaticCyan {
  0%, 100% {
    transform: translate(0, 0);
    opacity: 0;
  }
  10% {
    transform: translate(4px, 0);
    opacity: 0.8;
  }
  20% {
    transform: translate(2px, -1px);
    opacity: 0.6;
  }
  30% {
    transform: translate(0, 0);
    opacity: 0;
  }
}

/* Enhanced Glitch Trigger on Hover */
.hero-title-animated:hover::before {
  animation: chromaticRedGlitch 0.3s ease-in-out infinite;
}

.hero-title-animated:hover::after {
  animation: chromaticCyanGlitch 0.3s ease-in-out infinite;
}

@keyframes chromaticRedGlitch {
  0%, 100% {
    transform: translate(-6px, 0);
    opacity: 0.9;
  }
  33% {
    transform: translate(-4px, 2px);
    opacity: 0.7;
  }
  66% {
    transform: translate(-8px, -1px);
    opacity: 0.8;
  }
}

@keyframes chromaticCyanGlitch {
  0%, 100% {
    transform: translate(6px, 0);
    opacity: 0.9;
  }
  33% {
    transform: translate(4px, -2px);
    opacity: 0.7;
  }
  66% {
    transform: translate(8px, 1px);
    opacity: 0.8;
  }
}

/* Hero Badge Wrapper */
.hero-badge-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-top: 1rem;
  opacity: 0;
  transform: translateY(30px);
  animation: subtitleReveal 1s ease-out 0.8s forwards;
}

/* Hero Subtitle */
.hero-subtitle {
  font-size: clamp(0.9rem, 2vw, 1.2rem);
  color: #00ffc2;
  font-family: var(--font-mono);
  letter-spacing: 3px;
  text-transform: uppercase;
  font-weight: 700;
  /* Enhanced visibility with outline and glow */
  text-shadow: 
    /* Black outline */
    -2px -2px 0 #000,
    2px -2px 0 #000,
    -2px 2px 0 #000,
    2px 2px 0 #000,
    /* Intense cyan glow */
    0 0 15px rgba(0, 255, 194, 1),
    0 0 30px rgba(0, 255, 194, 0.8),
    0 0 45px rgba(0, 255, 194, 0.6),
    0 0 60px rgba(0, 255, 194, 0.4),
    /* Drop shadow */
    0 4px 10px rgba(0, 0, 0, 0.8);
  animation: subtitleGlow 3s ease-in-out infinite;
  -webkit-backdrop-filter: blur(5px);
  backdrop-filter: blur(5px);
  background: rgba(0, 0, 0, 0.5);
  padding: 0.5rem 1.5rem;
  border-radius: 8px;
}

/* Pulsing Badge - CODER ARMY - Enhanced visibility */
.pulsing-badge {
  display: inline-block;
  padding: 0.8rem 2rem;
  background: linear-gradient(
    135deg,
    rgba(255, 215, 0, 0.3) 0%,
    rgba(255, 215, 0, 0.4) 50%,
    rgba(0, 212, 170, 0.3) 100%
  );
  -webkit-backdrop-filter: blur(15px);
  backdrop-filter: blur(15px);
  border: 4px solid transparent;
  border-radius: 50px;
  font-family: var(--font-heading);
  font-size: clamp(1rem, 2.5vw, 1.4rem);
  font-weight: 900;
  letter-spacing: 4px;
  color: #ffd700;
  /* Enhanced text visibility */
  text-shadow: 
    /* Black outline */
    -2px -2px 0 #000,
    2px -2px 0 #000,
    -2px 2px 0 #000,
    2px 2px 0 #000,
    -3px 0 0 #000,
    3px 0 0 #000,
    0 -3px 0 #000,
    0 3px 0 #000,
    /* Intense glow */
    0 0 25px rgba(255, 215, 0, 1),
    0 0 50px rgba(255, 215, 0, 0.8),
    0 0 75px rgba(255, 215, 0, 0.6),
    /* 3D effect */
    0 3px 0 #00d4aa,
    0 6px 0 #00d4aa,
    0 9px 15px rgba(0, 0, 0, 0.8);
  box-shadow: 
    /* Outer glow */
    0 0 40px rgba(255, 215, 0, 0.8),
    0 0 80px rgba(255, 215, 0, 0.5),
    /* Depth */
    0 10px 30px rgba(0, 0, 0, 0.7),
    /* Inner glow */
    inset 0 0 50px rgba(255, 215, 0, 0.25),
    /* Border enhancement */
    inset 0 0 0 2px rgba(255, 215, 0, 0.4);
  animation: 
    badgePulse 2s ease-in-out infinite,
    borderRotate 3s linear infinite;
  position: relative;
  overflow: hidden;
  cursor: pointer;
  transition: all 0.3s ease;
  background-clip: padding-box;
  text-decoration: none;
}

/* Animated border gradient - Gold/Cyan matching STRIKE */
.pulsing-badge::before {
  content: '';
  position: absolute;
  top: -3px;
  left: -3px;
  right: -3px;
  bottom: -3px;
  background: linear-gradient(
    45deg,
    #ffd700,
    #00d4aa,
    #00c9a0,
    #ffd700,
    #00d4aa
  );
  border-radius: 50px;
  z-index: -1;
  animation: borderSpin 4s linear infinite;
  background-size: 400% 400%;
}

/* Shine sweep effect */
.pulsing-badge::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(255, 255, 255, 0.4) 50%,
    transparent 100%
  );
  animation: badgeShine 3s ease-in-out infinite;
  z-index: 1;
}

/* Hover effect */
.pulsing-badge:hover {
  transform: scale(1.1) translateY(-2px);
  box-shadow: 
    0 0 50px rgba(255, 215, 0, 0.8),
    0 0 100px rgba(255, 215, 0, 0.5),
    0 0 150px rgba(255, 215, 0, 0.3),
    0 12px 30px rgba(0, 0, 0, 0.6),
    inset 0 0 60px rgba(255, 215, 0, 0.25);
}

/* Hero Description */
.hero-description {
  font-size: clamp(1.1rem, 3vw, 1.6rem);
  color: #ffffff;
  max-width: 700px;
  margin: 2rem auto 2rem;
  opacity: 0;
  transform: translateY(20px);
  font-weight: 600;
  line-height: 1.8;
  /* Enhanced visibility with stronger shadows */
  text-shadow: 
    /* Black outline for readability */
    -1px -1px 0 #000,
    1px -1px 0 #000,
    -1px 1px 0 #000,
    1px 1px 0 #000,
    /* Glow effect */
    0 0 20px rgba(0, 255, 194, 0.6),
    0 0 40px rgba(0, 255, 194, 0.4),
    /* Strong drop shadow */
    0 3px 8px rgba(0, 0, 0, 0.9),
    0 6px 16px rgba(0, 0, 0, 0.7);
  animation: 
    descriptionReveal 1s ease-out 1.2s forwards,
    descriptionGlow 4s ease-in-out 2s infinite;
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 1) 0%,
    rgba(0, 255, 194, 0.95) 50%,
    rgba(255, 215, 0, 0.95) 100%
  );
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 0 30px rgba(0, 255, 194, 0.6));
  /* Add dark background for better contrast */
  padding: 1rem 2rem;
  position: relative;
}

.hero-description::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  border-radius: 12px;
  z-index: -1;
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}

/* ============================================
 * 2. HERO ANIMATIONS
 * ============================================ */

/* Title Reveal Animation */
@keyframes titleReveal {
  0% {
    opacity: 0;
    transform: translateY(-50px) scale(0.9);
  }
  60% {
    opacity: 1;
    transform: translateY(5px) scale(1.02);
  }
  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* Subtitle Reveal Animation */
@keyframes subtitleReveal {
  0% {
    opacity: 0;
    transform: translateY(30px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Description Reveal Animation */
@keyframes descriptionReveal {
  0% {
    opacity: 0;
    transform: translateY(20px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Subtitle Glow Animation */
@keyframes subtitleGlow {
  0%, 100% {
    text-shadow: 
      0 0 10px rgba(0, 255, 194, 0.8),
      0 0 20px rgba(0, 255, 194, 0.5),
      0 0 30px rgba(0, 255, 194, 0.3);
  }
  50% {
    text-shadow: 
      0 0 15px rgba(0, 255, 194, 1),
      0 0 30px rgba(0, 255, 194, 0.7),
      0 0 45px rgba(0, 255, 194, 0.5),
      0 0 60px rgba(0, 255, 194, 0.3);
  }
}

/* Description Glow Animation */
@keyframes descriptionGlow {
  0%, 100% {
    filter: drop-shadow(0 0 20px rgba(0, 255, 194, 0.4));
  }
  50% {
    filter: drop-shadow(0 0 35px rgba(0, 255, 194, 0.6)) 
            drop-shadow(0 0 50px rgba(255, 215, 0, 0.3));
  }
}

/* Badge Pulse Animation */
@keyframes badgePulse {
  0%, 100% {
    transform: scale(1);
    box-shadow: 
      0 0 30px rgba(255, 215, 0, 0.6),
      0 0 60px rgba(255, 215, 0, 0.3),
      0 8px 20px rgba(0, 0, 0, 0.5),
      inset 0 0 40px rgba(255, 215, 0, 0.15);
  }
  50% {
    transform: scale(1.05);
    box-shadow: 
      0 0 50px rgba(255, 215, 0, 0.8),
      0 0 80px rgba(255, 215, 0, 0.5),
      0 0 120px rgba(255, 215, 0, 0.3),
      0 10px 25px rgba(0, 0, 0, 0.6),
      inset 0 0 60px rgba(255, 215, 0, 0.25);
  }
}

/* Badge Border Spin Animation */
@keyframes borderSpin {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

/* Badge Shine Effect */
@keyframes badgeShine {
  0% {
    left: -100%;
  }
  50%, 100% {
    left: 200%;
  }
}

/* --- STRIKE Title Animations --- */

/* Tactical Pulse - Subtle breathing effect with glow */
@keyframes tacticalPulse {
  0%, 100% {
    text-shadow: 
      0 0 20px rgba(255, 215, 0, 0.8),
      0 0 40px rgba(255, 215, 0, 0.6),
      0 2px 0 #00d4aa,
      0 4px 0 #00d4aa,
      0 6px 0 #00d4aa,
      0 8px 0 #00d4aa,
      0 10px 0 #00c9a0,
      0 12px 0 #00be96,
      0 14px 0 #00b38c,
      0 16px 0 #00a882,
      0 18px 6px rgba(0, 0, 0, 0.4),
      0 20px 10px rgba(0, 0, 0, 0.3),
      0 25px 20px rgba(0, 0, 0, 0.2);
  }
  50% {
    text-shadow: 
      0 0 30px rgba(255, 215, 0, 1),
      0 0 60px rgba(255, 215, 0, 0.8),
      0 0 80px rgba(0, 255, 194, 0.6),
      0 2px 0 #00d4aa,
      0 4px 0 #00d4aa,
      0 6px 0 #00d4aa,
      0 8px 0 #00d4aa,
      0 10px 0 #00c9a0,
      0 12px 0 #00be96,
      0 14px 0 #00b38c,
      0 16px 0 #00a882,
      0 18px 8px rgba(0, 0, 0, 0.5),
      0 20px 15px rgba(0, 0, 0, 0.4),
      0 25px 30px rgba(0, 0, 0, 0.3);
  }
}

/* Glitch Shift - Subtle position shift with RGB split */
@keyframes glitchShift {
  0%, 90%, 100% {
    transform: translate(0, 0);
    filter: none;
  }
  91% {
    transform: translate(-2px, -2px);
    filter: hue-rotate(90deg);
  }
  92% {
    transform: translate(2px, 2px);
    filter: hue-rotate(-90deg);
  }
  93% {
    transform: translate(-1px, 1px);
  }
  94% {
    transform: translate(1px, -1px);
  }
  95% {
    transform: translate(0, 0);
    filter: none;
  }
}

/* Glitch Flicker - Random glitch overlay appearance */
@keyframes glitchFlicker {
  0%, 20%, 22%, 40%, 42%, 60%, 62%, 80%, 82%, 100% {
    opacity: 0;
    transform: translate(0, 0);
  }
  21% {
    opacity: 0.7;
    transform: translate(-3px, 1px) skew(-1deg);
  }
  41% {
    opacity: 0.6;
    transform: translate(2px, -1px) skew(1deg);
  }
  61% {
    opacity: 0.8;
    transform: translate(-2px, 0) skew(0.5deg);
  }
  81% {
    opacity: 0.5;
    transform: translate(1px, 1px) skew(-0.5deg);
  }
}

/* Legacy h1 fallback (if class not applied) */
.home-page .hero h1:not(.hero-title-animated) {
  font-size: clamp(3rem, 10vw, 7rem);
  animation: textGlitch 5s linear infinite;
}

.home-page .hero p:not(.hero-description) {
  font-size: clamp(1rem, 3vw, 1.5rem);
  margin: 0 auto 2rem;
}

/* Page Load Animations */
main > #courses,
main > #about,
main > #contact {
  animation: fadeIn 1s ease-out forwards;
  opacity: 0;
}

main > #courses {
  animation-delay: 0.2s;
}

main > #about {
  animation-delay: 0.4s;
}

main > #contact {
  animation-delay: 0.6s;
}

/* ============================================
 * 3. COURSES SECTION
 * ============================================ */

/* #COURSES SECTION */
.courses-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  perspective: 1000px;
}

.course-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  position: relative;
  padding: 2rem;
  transition: transform var(--transition-slow), box-shadow var(--transition-slow);
  transform-style: preserve-3d;
  overflow: hidden;
  min-height: 250px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.course-card::before,
.course-card::after {
  content: "";
  position: absolute;
  width: 20px;
  height: 20px;
  border-color: var(--color-secondary);
  border-style: solid;
  transition: all var(--transition-fast);
}

.course-card::before {
  top: 10px;
  left: 10px;
  border-width: 2px 0 0 2px;
}

.course-card::after {
  bottom: 10px;
  right: 10px;
  border-width: 0 2px 2px 0;
}

.course-card:hover {
  transform: translateZ(20px) rotateY(-3deg) rotateX(3deg);
  border-color: var(--color-secondary);
  animation: cardPulseGlow 1.5s infinite ease-in-out;
}

.course-card:hover::before,
.course-card:hover::after {
  width: calc(100% - 20px);
  height: calc(100% - 20px);
}

.card-content {
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.course-card h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--color-text);
  transition: color var(--transition-fast);
}

.course-card:hover h3 {
  color: var(--color-primary);
}

.card-hover-content {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  padding: 2rem;
  background: rgba(18, 18, 18, 0.9);
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.course-card:hover .card-content {
  opacity: 0;
  transform: translateY(-20px);
}

.course-card:hover .card-hover-content {
  opacity: 1;
  transform: translateY(0);
}

.card-hover-content h4 {
  font-family: var(--font-heading);
  color: var(--color-secondary);
  margin-bottom: 1rem;
}

.card-hover-content ul {
  list-style: none;
  padding-left: 1rem;
  border-left: 1px solid var(--color-border);
}

.card-hover-content li {
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
  color: var(--color-text-muted);
}

.card-rank {
  align-self: flex-end;
  margin-top: auto;
  font-size: 0.8rem;
  padding: 0.2rem 0.5rem;
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
}

/* ============================================
 * 4. OTHER SECTIONS
 * ============================================ */

/* About Section Styles */
#about p {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
  color: var(--color-text-muted);
}

#about p:last-child {
  margin-top: 2rem;
}

/* Contact Section Styles */
#contact p {
  text-align: center;
  color: var(--color-text-muted);
}

#contact .btn {
  margin-top: 2rem;
}

/* ============================================
 * 5. RESPONSIVE DESIGN
 * ============================================ */

/* #RESPONSIVE DESIGN - HOME PAGE */

/* Tablet Adjustments for Tactical Effects */
@media (max-width: 1024px) {
  /* Grid adjustments handled in base styles */
}

/* Mobile Adjustments for Tactical Effects */
@media (max-width: 768px) {
  /* Reduce grid pattern size */
  .tactical-grid-overlay {
    background-size: 30px 30px;
  }

  @keyframes gridMove {
    0%, 100% { background-position: 0 0; }
    50% { background-position: 30px 30px; }
  }

  .courses-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .course-card {
    padding: 1.5rem;
    min-height: 200px;
  }

  .course-card:hover {
    transform: translateZ(10px) rotateY(0) rotateX(0);
  }

  .card-content h3 {
    font-size: 1.2rem;
  }

  .home-page .hero {
    min-height: 80vh;
  }

  /* Responsive Hero Animations */
  .hero-title-animated {
    font-size: clamp(2.5rem, 8vw, 5rem);
  }

  .hero-badge-wrapper {
    flex-direction: column;
    gap: 0.5rem;
  }

  .hero-subtitle {
    font-size: 0.8rem;
  }

  .pulsing-badge {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
    letter-spacing: 2px;
  }

  .hero-description {
    font-size: 1rem;
    padding: 0 1rem;
  }
}

@media (max-width: 480px) {
  /* Reduce grid size further */
  .tactical-grid-overlay {
    background-size: 20px 20px;
    opacity: 0.4;
  }

  @keyframes gridMove {
    0%, 100% { background-position: 0 0; }
    50% { background-position: 20px 20px; }
  }
}

@media (min-width: 769px) and (max-width: 1024px) {
  .courses-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.75rem;
  }

  /* Tablet Hero Adjustments */
  .hero-title-animated {
    font-size: clamp(2.8rem, 9vw, 6rem);
  }

  .pulsing-badge {
    padding: 0.55rem 1.2rem;
    font-size: 1rem;
  }
}

/* Extra Small Devices */
@media (max-width: 480px) {
  .hero-title-animated {
    font-size: 2.2rem;
  }

  .hero-badge-wrapper {
    margin-top: 0.5rem;
  }

  .hero-subtitle {
    font-size: 0.7rem;
  }

  .pulsing-badge {
    padding: 0.4rem 0.8rem;
    font-size: 0.75rem;
    letter-spacing: 1.5px;
  }
}