/* ========== Base & Reset ========== */
  :root {
    --bg: #0d0d0d;
    --panel: #121212;
    --muted: #bdbdbd;
    --accent: #ffcc00;
    --accent2: #00ffe0;
    --glass: rgba(255, 255, 255, 0.02);
    --radius: 14px;
    --transition-speed: 0.3s;
  }
  
  * {
    box-sizing: border-box;
    margin: 0;
    padding: 0
  }
  
  html {
    scroll-behavior: smooth;
  }
  
  body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--bg);
    color: #fff;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    line-height: 1.5;
    background-image: radial-gradient(circle at 20% 20%, rgba(255, 204, 0, 0.05), transparent 30%),
      radial-gradient(circle at 80% 70%, rgba(0, 255, 224, 0.05), transparent 30%);
    background-size: 200% 200%;
    animation: bg-pan 25s linear infinite;
  }
  
  @keyframes bg-pan {
    0% {
      background-position: 0% 0%;
    }
    
    50% {
      background-position: 100% 100%;
    }
    
    100% {
      background-position: 0% 0%;
    }
  }
  
  :focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 4px;
    border-radius: 4px;
  }
  
  .btn:focus-visible,
  .btn-outline:focus-visible,
  .btn-ghost:focus-visible,
  .form-row input:focus-visible,
  .form-row textarea:focus-visible {
    outline: none;
  }
  
  .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.25rem
  }
  
  /* ===== Header (Identical to main page) ===== */
  .site-header {
    position: sticky;
    top: 0;
    z-index: 60;
    background: linear-gradient(180deg, rgba(10, 10, 10, 0.85), rgba(10, 10, 10, 0.6));
    backdrop-filter: blur(10px);
    transition: background var(--transition-speed) ease, backdrop-filter var(--transition-speed) ease;
  }
  
  .header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: .75rem 0
  }
  
  .brand {
    display: flex;
    align-items: center;
    gap: .6rem;
    text-decoration: none;
    color: #fff;
    transition: transform var(--transition-speed) ease;
  }
  
  .brand:hover {
    transform: scale(1.02);
  }
  
  .logo-mark {
  margin-left: 10px;
  width: 62px;
  height: 52px;
  border-radius: 8px;
  background: url('logo1.png') center/cover no-repeat; /* <-- use your logo image */
  
  display: inline-block;
}

.logo-mark.small {
  width: 30px;
  height: 30px;
  background: url('logo1.png') center/cover no-repeat; /* small version uses same image */
}
  
.logo-text {
  font-weight: 900;               /* extra bold */
  font-size: 3rem;                /* large text (adjust as needed) */
  letter-spacing: 1px;
  color: #fff;                    /* main text color */
  text-transform: uppercase;      /* optional: makes it all caps */
  display: inline-block;
  position: relative;
}

/* first letter color */
.logo-text::first-letter {
  font-size: 3.2rem;              /* slightly larger first letter */
}
  
  .main-nav a {
    color: #ddd;
    text-decoration: none;
    margin-left: 1.1rem;
    padding: .25rem .35rem;
    transition: color var(--transition-speed), transform var(--transition-speed);
    position: relative;
  }
  
  .main-nav a:hover {
    color: var(--accent);
    transform: translateY(-2px);
  }
  
  .main-nav a::after {
    content: '';
    position: absolute;
    width: 100%;
    transform: scaleX(0);
    height: 2px;
    bottom: -4px;
    left: 0;
    background-color: var(--accent);
    transform-origin: bottom right;
    transition: transform 0.25s ease-out;
  }
  
  .main-nav a:hover::after {
    transform: scaleX(1);
    transform-origin: bottom left;
  }
  
  .header-underline {
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    opacity: .12
  }
  
  .section {
    padding: 3rem 0
  }
  
  .section-title {
    font-size: 1.5rem;
    color: var(--accent);
    margin-bottom: 1rem
  }
  
  /* Buttons and other shared elements */
  .btn {
    display: inline-block;
    padding: .8rem 1.6rem;
    font-size: 1rem;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--accent), #ffd27f);
    color: #101010;
    text-decoration: none;
    font-weight: 600;
    box-shadow: 0 12px 40px rgba(255, 204, 0, 0.06);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
  }
  
  .btn:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 16px 50px rgba(255, 204, 0, 0.15);
  }
  
  .btn-outline {
    padding: .5rem .9rem;
    border-radius: 999px;
    border: 2px solid rgba(255, 204, 0, 0.14);
    color: var(--accent);
    text-decoration: none;
    transition: all 0.2s ease;
  }
  
  .btn-outline:hover {
    background-color: rgba(255, 204, 0, 0.1);
    border-color: var(--accent);
    color: #fff;
  }
  
  .course-card {
    background: var(--panel);
    border-radius: var(--radius);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.04);
    transition: transform .35s ease, box-shadow .35s ease;
    display: flex;
    flex-direction: column;
  }
  
  .course-card:hover {
    transform: translateY(-10px) rotateX(2deg);
    box-shadow: 0 40px 80px rgba(0, 0, 0, 0.7)
  }
  
  .card-image {
    height: 1250px;
    background-color: #1a1a1a;
    background-size: cover;
    background-position: center;
    position: relative;
    overflow: hidden;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: transform 0.4s ease;
  }
  
  .course-card:hover .card-image {
    transform: scale(1.05);
  }
  
  .img-html {
    background-image: repeating-linear-gradient(-45deg, #ff5722, #ff5722 10px, #e91e63 10px, #e91e63 20px);
  }
  
  .img-js {
    background-color: #111;
    background-image: radial-gradient(circle at 15% 20%, var(--accent) 2px, transparent 0), radial-gradient(circle at 75% 30%, var(--accent2) 3px, transparent 0), radial-gradient(circle at 80% 80%, #fff 2px, transparent 0), radial-gradient(circle at 35% 70%, var(--accent) 4px, transparent 0);
    background-size: 100px 100px;
  }
  
  .card-content {
    padding: 1.2rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
  }
  
  .card-head {
    display: flex;
    align-items: center;
    gap: .8rem
  }
  
  .card-desc {
    color: var(--muted);
    margin: 1rem 0;
    flex-grow: 1;
  }
  
  .card-actions {
    display: flex;
    gap: .6rem;
    align-items: center;
    margin-top: auto;
  }
  
  /* ===== ✨ NEW: COURSE DETAIL PAGE STYLES ===== */
  .course-hero {
    padding: 3rem 0;
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    align-items: center;
  }
  
  .course-headline {
    font-size: clamp(2.2rem, 5vw, 3.5rem);
    line-height: 1.1;
    color: #fff;
    margin-bottom: 0.5rem;
  }
  
  .course-subtitle {
    font-size: 1.1rem;
    color: var(--muted);
    max-width: 60ch;
    margin-bottom: 1.5rem;
  }
  
  .course-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin-bottom: 2rem;
    padding: 1rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  }
  
  .meta-item {
    display: flex;
    flex-direction: column;
  }
  
  .meta-item .label {
    font-size: 0.8rem;
    color: var(--muted);
    text-transform: uppercase;
  }
  
  .meta-item .value {
    font-size: 1.1rem;
    font-weight: 600;
    color: #fff;
  }
  
  .course-main-image {
    height: 350px;
    width: 100%;
    border-radius: var(--radius);
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.05);
  }
  
  .course-layout {
    display: grid;
    grid-template-columns: 2.5fr 1fr;
    gap: 2rem;
    align-items: flex-start;
  }
  
  .course-content h3 {
    color: var(--accent);
    margin-top: 2rem;
    margin-bottom: 1rem;
  }
  
  .course-content p {
    color: var(--muted);
    margin-bottom: 1rem;
  }
  
  .curriculum-accordion details {
    background: var(--panel);
    border: 1px solid rgba(255, 255, 255, 0.04);
    border-radius: 10px;
    margin-bottom: 0.5rem;
  }
  
  .curriculum-accordion summary {
    padding: 1rem;
    font-weight: 600;
    cursor: pointer;
    list-style: none;
    /* remove default arrow */
    position: relative;
    transition: background 0.2s;
  }
  
  .curriculum-accordion summary:hover {
    background: rgba(255, 255, 255, 0.02);
  }
  
  .curriculum-accordion summary::after {
    content: '+';
    position: absolute;
    right: 1rem;
    font-size: 1.5rem;
    color: var(--accent);
    transition: transform 0.3s ease;
  }
  
  .curriculum-accordion details[open] summary::after {
    transform: rotate(45deg);
  }
  
  .module-content {
    padding: 0 1rem 1rem 2.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.04);
  }
  
  .module-content ul {
    list-style: disc;
    color: var(--muted);
  }
  
  .course-sidebar {
    position: sticky;
    top: 100px;
    /* Aligns below the header */
  }
  
  .instructor-card {
    background: var(--panel);
    padding: 1.5rem;
    border-radius: var(--radius);
    border: 1px solid rgba(255, 255, 255, 0.04);
    text-align: center;
  }
  
  .instr-photo-small {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    margin: 0 auto 1rem auto;
    background: url('logo.png') center/cover no-repeat;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    border: 2px solid rgba(255, 255, 255, 0.05);
  }
  
  .instructor-card h4 {
    margin-bottom: 0.2rem;
    color: #fff;
  }
  
  .instructor-card p {
    color: var(--muted);
    font-size: 0.9rem;
  }
  
  /* Media Queries for Responsiveness */
  @media (max-width: 900px) {
    .course-hero {
      grid-template-columns: 1fr;
      text-align: center;
    }
    
    .course-main-image {
      order: -1;
      height: 300px;
      margin-bottom: 2rem;
    }
    
    .course-meta {
      justify-content: center;
    }
    
    .course-layout {
      grid-template-columns: 1fr;
    }
  }
  
  @media (max-width: 520px) {
    .main-nav {
      display: none;
    }
  }
  
  /* ===== Footer (Identical to main page) ===== */
  .site-footer {
    padding: 4rem 0 2rem 0;
    background: #080808;
    border-top: 1px solid rgba(255, 255, 255, 0.03);
  }
  
  .footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
  }
  
  .footer-col h4 {
    color: var(--accent);
    margin-bottom: 1rem;
    font-weight: 600;
  }
  
  .footer-col p {
    color: var(--muted);
    max-width: 35ch;
  }
  
  .footer-col ul {
    list-style: none;
  }
  
  .footer-col li {
    margin-bottom: 0.5rem;
  }
  
  .footer-col a {
    color: var(--muted);
    text-decoration: none;
    transition: color 0.2s;
  }
  
  .footer-col a:hover {
    color: #fff;
  }
  
  .footer-brand {
    display: flex;
    align-items: center;
    gap: .8rem;
    margin-bottom: 1rem;
    font-size: 1.1rem;
    font-weight: 600;
  }
  
  .socials {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
  }
  
  .socials a {
    color: var(--muted);
  }
  
  .socials a:hover {
    color: var(--accent2);
    transform: translateY(-2px);
  }
  
  .socials svg {
    width: 24px;
    height: 24px;
    fill: currentColor;
    transition: all 0.2s ease;
  }
  
  .footer-legal {
    text-align: center;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.03);
    color: var(--muted);
    font-size: 0.9rem;
  }
  
  /* ===== Course Card ===== */
  .course-card {
    background: var(--panel);
    border-radius: var(--radius);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.04);
    transition: transform 0.35s ease, box-shadow 0.35s ease;
    display: flex;
    flex-direction: column;
  }
  
  .course-card:hover {
    transform: translateY(-10px) rotateX(2deg);
    box-shadow: 0 40px 80px rgba(0, 0, 0, 0.7);
  }
  
  /* ===== Card Image ===== */
  .card-image {
    height: 200px;
    /* YouTube thumbnail approx height */
    background-color: #1a1a1a;
    background-size: cover;
    background-position: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: transform 0.4s ease;
  }
  
  .course-card:hover .card-image {
    transform: scale(1.05);
  }
  
  /* ===== Card Content ===== */
  .card-content {
    padding: 1.2rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
  }
  
  .card-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.8rem;
  }
  
  .tag {
    padding: 0.2rem 0.6rem;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
  }
  
  .tag.free {
    background-color: rgba(0, 200, 150, 0.15);
    color: #00c896;
  }
  
  .tag.paid {
    background-color: rgba(255, 200, 0, 0.15);
    color: #ffc800;
  }
  
  /* ===== Card Actions ===== */
  .card-actions {
    margin-top: auto;
    display: flex;
    gap: 0.6rem;
  }
  
  .btn,
  .btn-outline,
  .btn-ghost {
    text-decoration: none;
    padding: 0.6rem 1rem;
    border-radius: 999px;
    font-weight: 600;
    font-size: 0.85rem;
    transition: all 0.3s ease;
  }
  
  .btn {
    background: linear-gradient(90deg, var(--accent), #ffd27f);
    color: #101010;
  }
  
  .btn:hover {
    transform: scale(1.05);
  }
  
  .btn-outline {
    border: 2px solid rgba(255, 204, 0, 0.18);
    color: var(--accent);
  }
  
  .btn-outline:hover {
    background: rgba(255, 204, 0, 0.08);
  }
  
  .btn-ghost {
    background: transparent;
    border: 2px solid rgba(255, 255, 255, 0.1);
    color: #fff;
  }
  
  .btn-ghost:hover {
    background: rgba(255, 255, 255, 0.05);
    transform: scale(1.05);
  }