/* ============================================
   NewTech Academy - Corporate B2B Website
   Brand: Dark Navy + Blue + Cyan gradient
============================================ */

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

/* --- CSS Variables --- */
:root {
  --navy: #0a1628;
  --navy-mid: #0f2040;
  --navy-light: #162847;
  --blue: #0d6efd;
  --blue-light: #1a7fff;
  --cyan: #00c8ff;
  --cyan-dim: #00a8d4;
  --white: #ffffff;
  --gray-100: #f8f9fa;
  --gray-200: #e9ecef;
  --gray-300: #dee2e6;
  --gray-500: #adb5bd;
  --gray-600: #6c757d;
  --gray-700: #495057;
  --gray-800: #343a40;
  --gradient-main: linear-gradient(135deg, #0d6efd, #00c8ff);
  --gradient-dark: linear-gradient(135deg, #0a1628, #0f2040);
  --gradient-card: linear-gradient(135deg, rgba(13,110,253,0.08), rgba(0,200,255,0.08));
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.12);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.18);
  --shadow-blue: 0 4px 20px rgba(13,110,253,0.3);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 50px;
  --transition: all 0.3s ease;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--white);
  color: var(--gray-800);
  line-height: 1.6;
  overflow-x: hidden;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; }
select, textarea {
  font-family: var(--font);
  font-size: 0.95rem;
}

/* --- Typography --- */
h1 { font-size: clamp(2rem, 4vw, 3.2rem); font-weight: 800; line-height: 1.15; }
h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); font-weight: 700; line-height: 1.2; }
h3 { font-size: clamp(1.1rem, 2vw, 1.4rem); font-weight: 600; }
h4 { font-size: 1.1rem; font-weight: 600; }
p { color: var(--gray-700); line-height: 1.75; }

/* --- Utility Classes --- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section-pad { padding: 80px 0; }
.section-pad-sm { padding: 60px 0; }
.bg-white { background: var(--white); }
.bg-light { background: var(--gray-100); }
.bg-navy { background: var(--navy); }
.text-center { text-align: center; }
.text-cyan { color: var(--cyan); }
.text-blue { color: var(--blue); }
.text-white { color: var(--white); }
.text-muted { color: var(--gray-500); }

/* --- Gradient Text --- */
.gradient-text {
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.highlight {
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* --- Section Header --- */
.section-header { margin-bottom: 48px; }
.section-header h2 { color: var(--navy); margin-bottom: 16px; }
.section-header p { color: var(--gray-600); font-size: 1.05rem; max-width: 720px; }
.section-header.centered { text-align: center; }
.section-header.centered p { margin: 0 auto; }
.section-tag {
  display: inline-block;
  background: rgba(13,110,253,0.1);
  color: var(--blue);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  margin-bottom: 12px;
  border: 1px solid rgba(13,110,253,0.2);
}
.section-divider {
  width: 60px;
  height: 4px;
  background: var(--gradient-main);
  border-radius: 2px;
  margin-top: 16px;
}
.section-divider.centered { margin: 16px auto 0; }

/* ============================================
   SPA PAGE SECTIONS
============================================ */
.page-section { display: none; }
.page-section.active { display: block; }
.page-section { padding-top: 72px; /* header height */ }

/* ============================================
   HEADER / NAVIGATION
============================================ */
#site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 22, 40, 0.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  transition: var(--transition);
}
#site-header.scrolled {
  box-shadow: 0 4px 30px rgba(0,0,0,0.4);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 16px;
}

/* Logo */
.site-logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  text-decoration: none;
  gap: 10px;
}
.logo-img {
  height: 64px;
  width: auto;
  object-fit: contain;
  filter: drop-shadow(0 0 8px rgba(0,200,255,0.25));
  transition: var(--transition);
}
.site-logo:hover .logo-img { filter: drop-shadow(0 0 12px rgba(0,200,255,0.5)) brightness(1.1); }
.logo-fallback {
  display: none;
  align-items: center;
  gap: 10px;
}
.logo-mark {
  width: 43px;
  height: 43px;
  background: var(--gradient-main);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.08rem;
  color: white;
  letter-spacing: -0.5px;
  flex-shrink: 0;
}
.logo-text {
  font-size: 1.32rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1;
}
.logo-text span { color: var(--cyan); }

/* Nav Links */
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
  justify-content: center;
}
.nav-links a {
  color: rgba(255,255,255,0.8);
  font-size: 0.87rem;
  font-weight: 500;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  white-space: nowrap;
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--white);
  background: rgba(255,255,255,0.08);
}
.nav-links a.active { color: var(--cyan); }

/* CTA Button */
.btn-cta-header {
  background: var(--gradient-main);
  color: white !important;
  padding: 10px 20px;
  border-radius: var(--radius-full);
  font-size: 0.87rem;
  font-weight: 600;
  transition: var(--transition);
  white-space: nowrap;
  flex-shrink: 0;
  box-shadow: var(--shadow-blue);
}
.btn-cta-header:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(13,110,253,0.5);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  border: none;
  background: none;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: white;
  border-radius: 2px;
  transition: var(--transition);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile Nav */
.mobile-nav {
  display: none;
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  background: rgba(10,22,40,0.99);
  backdrop-filter: blur(12px);
  padding: 20px;
  z-index: 999;
  flex-direction: column;
  gap: 8px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  max-height: calc(100vh - 72px);
  overflow-y: auto;
}
.mobile-nav.open { display: flex; }
.mobile-nav a {
  color: rgba(255,255,255,0.85);
  font-size: 0.95rem;
  font-weight: 500;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 10px;
}
.mobile-nav a:hover { background: rgba(255,255,255,0.08); color: white; }
.btn-cta-mobile {
  background: var(--gradient-main) !important;
  color: white !important;
  border-radius: var(--radius-full) !important;
  margin-top: 8px;
  justify-content: center;
}

/* ============================================
   BUTTONS
============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-full);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  text-decoration: none;
}
.btn-primary {
  background: var(--gradient-main);
  color: white;
  box-shadow: var(--shadow-blue);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(13,110,253,0.5);
  color: white;
}
.btn-outline {
  background: transparent;
  color: rgba(255,255,255,0.85);
  border: 2px solid rgba(255,255,255,0.3);
}
.btn-outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.6);
  color: white;
  transform: translateY(-2px);
}
.btn-lg { padding: 14px 32px; font-size: 1rem; }

/* ============================================
   HERO (HOME)
============================================ */
.hero {
  background: var(--navy);
  background-image: 
    radial-gradient(ellipse at 20% 50%, rgba(13,110,253,0.15) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(0,200,255,0.1) 0%, transparent 50%);
  padding: 80px 0 100px;
  position: relative;
  overflow: hidden;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 60px;
  background: var(--white);
  clip-path: ellipse(55% 100% at 50% 100%);
}
.hero-inner {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 60px;
  align-items: center;
}
.hero-content { color: white; }
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0,200,255,0.15);
  color: var(--cyan);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 8px 16px;
  border-radius: var(--radius-full);
  margin-bottom: 20px;
  border: 1px solid rgba(0,200,255,0.25);
}
.hero-content h1 { color: white; margin-bottom: 20px; }
.hero-lead {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.8);
  margin-bottom: 32px;
  max-width: 560px;
}
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}
.hero-meta {
  display: flex;
  gap: 40px;
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,0.1);
}
.hero-meta-item { display: flex; flex-direction: column; gap: 4px; }
.hero-meta-item .num {
  font-size: 2rem;
  font-weight: 800;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}
.hero-meta-item .label { font-size: 0.82rem; color: rgba(255,255,255,0.6); }

/* Hero Form Card */
.hero-form-card {
  background: rgba(255,255,255,0.05);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-xl);
  padding: 36px 32px;
}
.hero-form-card h3 {
  color: white;
  font-size: 1.3rem;
  margin-bottom: 8px;
}
.hero-form-card > p {
  color: rgba(255,255,255,0.65);
  font-size: 0.9rem;
  margin-bottom: 24px;
}

/* ============================================
   PAGE HERO (inner pages)
============================================ */
.page-hero {
  padding: 0;
  position: relative;
}
/* CoPilot hero two-column layout — stack on mobile */
@media (max-width: 900px) {
  .page-hero [style*="grid-template-columns:1fr auto"] {
    grid-template-columns: 1fr !important;
  }
  .page-hero [style*="width:360px"] {
    width: 100% !important;
  }
}
.page-hero.bg-navy {
  background: var(--navy);
  background-image:
    radial-gradient(ellipse at 20% 50%, rgba(13,110,253,0.12) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(0,200,255,0.08) 0%, transparent 50%);
}
.page-hero-inner {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 60px;
  align-items: center;
}
.page-hero-content { color: white; }
.page-hero-content h1 { color: white; margin-bottom: 20px; }
.page-hero-content .hero-lead {
  color: rgba(255,255,255,0.8);
  margin-bottom: 28px;
  font-size: 1.1rem;
}
.course-meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 28px;
}
.course-meta-row span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.85);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 500;
}
.page-hero-form {
  background: rgba(255,255,255,0.06);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-xl);
  padding: 32px 28px;
}
.page-hero-form h3 {
  color: white;
  margin-bottom: 20px;
  font-size: 1.2rem;
}

/* ============================================
   CONTACT FORMS
============================================ */
.contact-form { display: flex; flex-direction: column; gap: 14px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gray-700);
}
.contact-form input,
.contact-form select,
.contact-form textarea {
  padding: 11px 16px;
  border: 1.5px solid var(--gray-300);
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  background: white;
  color: var(--gray-800);
  transition: var(--transition);
  outline: none;
  width: 100%;
}
.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(13,110,253,0.12);
}
.contact-form-dark input,
.contact-form-dark select,
.contact-form-dark textarea {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.15);
  color: white;
}
.contact-form-dark input::placeholder,
.contact-form-dark select::placeholder,
.contact-form-dark textarea::placeholder {
  color: rgba(255,255,255,0.45);
}
.contact-form-dark input:focus,
.contact-form-dark select:focus,
.contact-form-dark textarea:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(0,200,255,0.12);
  background: rgba(255,255,255,0.12);
}
.contact-form-dark select option { background: var(--navy); color: white; }
.form-submit-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 24px;
  background: var(--gradient-main);
  color: white;
  border: none;
  border-radius: var(--radius-full);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  width: 100%;
  margin-top: 4px;
}
.form-submit-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(13,110,253,0.45);
}
.form-submit-btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
}
.form-privacy {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.45);
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

/* ============================================
   CATEGORY CARDS (Home)
============================================ */
.category-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.category-card {
  background: var(--white);
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: var(--transition);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}
.category-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-main);
  transform: scaleX(0);
  transition: var(--transition);
}
.category-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(13,110,253,0.2);
}
.category-card:hover::before { transform: scaleX(1); }
.card-icon {
  width: 56px;
  height: 56px;
  background: var(--gradient-card);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--blue);
  margin-bottom: 20px;
  border: 1px solid rgba(13,110,253,0.12);
}
.category-card h3 { color: var(--navy); margin-bottom: 12px; }
.category-card p { color: var(--gray-600); font-size: 0.93rem; margin-bottom: 24px; }
.card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--blue);
  font-size: 0.9rem;
  font-weight: 600;
  transition: var(--transition);
}
.card-link:hover { gap: 10px; color: var(--blue-light); }

/* ============================================
   AUDIENCE GRID
============================================ */
.audience-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 20px;
}
@media (max-width: 1000px) { .audience-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 600px) { .audience-grid { grid-template-columns: repeat(2, 1fr); } }
.audience-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 24px 16px;
  background: var(--white);
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: var(--transition);
}
.audience-item:hover {
  border-color: rgba(13,110,253,0.3);
  transform: translateY(-3px);
  box-shadow: var(--shadow-sm);
}
.audience-icon { font-size: 2rem; line-height: 1; }
.audience-item span { font-size: 0.85rem; font-weight: 600; color: var(--gray-700); }

/* ============================================
   FEATURE CARDS
============================================ */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
@media (max-width: 768px) { .feature-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 500px) { .feature-grid { grid-template-columns: 1fr; } }
.feature-card {
  background: var(--white);
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  transition: var(--transition);
}
.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(13,110,253,0.2);
}
.feature-icon { font-size: 2rem; margin-bottom: 12px; line-height: 1; }
.feature-card h4 { color: var(--navy); margin-bottom: 8px; }
.feature-card p { font-size: 0.9rem; color: var(--gray-600); }

/* Feature cards small (Excel page) */
.feature-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.feature-card-sm {
  background: var(--gray-100);
  border-radius: var(--radius-md);
  padding: 20px;
}
.feature-card-sm .feature-icon { font-size: 1.5rem; margin-bottom: 8px; }
.feature-card-sm h4 { font-size: 0.95rem; color: var(--navy); margin-bottom: 4px; }
.feature-card-sm p { font-size: 0.83rem; color: var(--gray-600); }

/* ============================================
   COMPANIES GRID
============================================ */
/* ── Partners section ── */
.partners-section { padding-bottom: 64px; }

/* Marquee wrapper — full viewport width */
.partners-marquee-wrap {
  position: relative;
  width: 100%;
  overflow: hidden;
  margin-top: 40px;
  /* Fade edges */
  -webkit-mask-image: linear-gradient(to right, transparent 0%, black 8%, black 92%, transparent 100%);
  mask-image: linear-gradient(to right, transparent 0%, black 8%, black 92%, transparent 100%);
}

/* Inner flex row — two duplicate tracks side by side */
.partners-marquee {
  display: flex;
  width: max-content;
  animation: partnersScroll 40s linear infinite;
}
.partners-marquee:hover { animation-play-state: paused; }

@keyframes partnersScroll {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* Each track is a flex row of logo items */
.partners-track {
  display: flex;
  align-items: center;
  gap: 0;
}

/* Individual logo card */
.partner-logo-item {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 180px;
  height: 90px;
  flex-shrink: 0;
  padding: 16px 24px;
  margin: 0 8px;
  background: #fff;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-md);
  transition: border-color 0.25s ease, box-shadow 0.25s ease, transform 0.2s ease;
}
.partner-logo-item:hover {
  border-color: var(--blue);
  box-shadow: 0 4px 18px rgba(13,110,253,0.12);
  transform: translateY(-3px);
}
.partner-logo-item img {
  max-width: 100%;
  max-height: 52px;
  width: auto;
  height: auto;
  object-fit: contain;
  filter: grayscale(30%);
  opacity: 0.85;
  transition: filter 0.25s ease, opacity 0.25s ease;
}
.partner-logo-item:hover img {
  filter: grayscale(0%);
  opacity: 1;
}

/* ============================================
   COURSE CARDS
============================================ */
.course-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
@media (max-width: 1100px) { .course-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .course-grid { grid-template-columns: 1fr; } }
.course-card {
  background: var(--white);
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  position: relative;
  transition: var(--transition);
}
.course-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(13,110,253,0.25);
}
.course-badge {
  position: absolute;
  top: 20px;
  right: 20px;
  background: var(--gradient-main);
  color: white;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--radius-full);
}
.course-icon {
  width: 48px;
  height: 48px;
  background: var(--gradient-card);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: var(--blue);
  margin-bottom: 16px;
  border: 1px solid rgba(13,110,253,0.1);
}
.course-card h3 { color: var(--navy); font-size: 1.05rem; margin-bottom: 10px; padding-right: 48px; }
.course-card p { color: var(--gray-600); font-size: 0.88rem; margin-bottom: 20px; }

/* ============================================
   BENEFIT CARDS
============================================ */
.benefit-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
@media (max-width: 768px) { .benefit-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 500px) { .benefit-grid { grid-template-columns: 1fr; } }
.benefit-card {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 20px;
  background: var(--white);
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-md);
  transition: var(--transition);
}
.benefit-card:hover {
  border-color: rgba(13,110,253,0.2);
  box-shadow: var(--shadow-sm);
}
.benefit-card i { color: var(--blue); font-size: 1.1rem; flex-shrink: 0; margin-top: 2px; }
.benefit-card p { font-size: 0.88rem; color: var(--gray-700); }

/* ============================================
   CYBER HUB COMPONENTS
============================================ */
.why-cyber-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
@media (max-width: 768px) { .why-cyber-grid { grid-template-columns: 1fr; } }
.why-cyber-card {
  text-align: center;
  padding: 36px 24px;
  background: var(--white);
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-lg);
  transition: var(--transition);
}
.why-cyber-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.why-cyber-card i { font-size: 2.5rem; color: var(--blue); margin-bottom: 16px; display: block; }
.why-cyber-card h4 { color: var(--navy); margin-bottom: 10px; }
.why-cyber-card p { font-size: 0.9rem; color: var(--gray-600); }

.cyber-level-section { margin-bottom: 48px; }
.cyber-level-header { margin-bottom: 24px; }
.level-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.03em;
}
.level-badge.beginner { background: rgba(25,135,84,0.12); color: #198754; border: 1px solid rgba(25,135,84,0.25); }
.level-badge.intermediate { background: rgba(255,193,7,0.12); color: #d97706; border: 1px solid rgba(255,193,7,0.3); }
.level-badge.advanced { background: rgba(220,53,69,0.1); color: #dc3545; border: 1px solid rgba(220,53,69,0.2); }

/* ============================================
   ACCORDION
============================================ */
.accordion { display: flex; flex-direction: column; gap: 8px; }
.accordion-item {
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.accordion-header {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  background: var(--gray-100);
  border: none;
  cursor: pointer;
  font-family: var(--font);
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--navy);
  text-align: left;
  transition: var(--transition);
  gap: 12px;
}
.accordion-header:hover { background: rgba(13,110,253,0.05); }
.accordion-header.open { background: rgba(13,110,253,0.08); color: var(--blue); }
.accordion-header i {
  font-size: 0.8rem;
  transition: transform 0.3s ease;
  flex-shrink: 0;
}
.accordion-header.open i { transform: rotate(180deg); }
.accordion-body {
  display: none;
  padding: 16px 20px;
  background: white;
  border-top: 1px solid var(--gray-200);
}
.accordion-body.open { display: block; }
.accordion-body p { font-size: 0.9rem; color: var(--gray-600); line-height: 1.7; }

/* ============================================
   TWO-COLUMN LAYOUT (Course pages)
============================================ */
.two-col-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}
@media (max-width: 900px) { .two-col-layout { grid-template-columns: 1fr; gap: 40px; } }

/* Skills List */
.skills-list { display: flex; flex-direction: column; gap: 12px; }
.skills-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.95rem;
  color: var(--gray-700);
  line-height: 1.5;
}
.skills-list li i { color: var(--blue); font-size: 0.85rem; flex-shrink: 0; margin-top: 3px; }

/* ============================================
   TIBERIU CTA SECTION
============================================ */
.tiberiu-cta {
  background: var(--navy);
  padding: 80px 0;
}
.tiberiu-inner {
  display: grid;
  grid-template-columns: 100px 1fr 380px;
  gap: 40px;
  align-items: center;
}
@media (max-width: 1000px) { .tiberiu-inner { grid-template-columns: 1fr; text-align: center; } }
.tiberiu-avatar {
  width: 90px;
  height: 90px;
  border-radius: 50%;
  background: var(--gradient-main);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  color: white;
  flex-shrink: 0;
}
@media (max-width: 1000px) { .tiberiu-avatar { margin: 0 auto; } }
.tiberiu-content .section-tag { margin-bottom: 10px; }
.tiberiu-content h2 { color: white; font-size: 1.8rem; margin-bottom: 8px; }
.tiberiu-content > p { color: rgba(255,255,255,0.65); font-size: 1rem; margin-bottom: 20px; }
.tiberiu-contacts { display: flex; flex-wrap: wrap; gap: 16px; }
@media (max-width: 1000px) { .tiberiu-contacts { justify-content: center; } }
.tiberiu-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--cyan);
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--transition);
}
.tiberiu-link:hover { color: white; gap: 12px; }
.tiberiu-form {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-xl);
  padding: 28px 24px;
}

/* ============================================
   PROJECTS PAGE
============================================ */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
@media (max-width: 900px) { .projects-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .projects-grid { grid-template-columns: 1fr; } }
.project-card {
  background: var(--white);
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: var(--transition);
}
.project-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(13,110,253,0.2);
}
.project-icon {
  width: 56px;
  height: 56px;
  background: var(--gradient-card);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--blue);
  margin-bottom: 16px;
}
.project-tag {
  display: inline-block;
  background: rgba(13,110,253,0.1);
  color: var(--blue);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  margin-bottom: 12px;
}
.project-card h3 { color: var(--navy); margin-bottom: 10px; font-size: 1.1rem; }
.project-card p { color: var(--gray-600); font-size: 0.9rem; margin-bottom: 20px; }
.project-stats {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.project-stats span {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.8rem;
  color: var(--gray-600);
  font-weight: 600;
}
.project-stats i { color: var(--blue); }

/* ============================================
   CONTACT PAGE EXTRA
============================================ */
.contact-info-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 32px;
}
.contact-info-item {
  display: flex;
  align-items: center;
  gap: 16px;
}
.contact-info-item i {
  width: 44px;
  height: 44px;
  background: rgba(0,200,255,0.15);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cyan);
  font-size: 1rem;
  flex-shrink: 0;
}
.contact-info-item div { display: flex; flex-direction: column; gap: 2px; }
.contact-info-item strong { font-size: 0.82rem; color: rgba(255,255,255,0.6); text-transform: uppercase; letter-spacing: 0.05em; }
.contact-info-item a, .contact-info-item span { color: white; font-weight: 600; font-size: 0.95rem; }
.contact-info-item a:hover { color: var(--cyan); }

/* ============================================
   TESTIMONIALS SLIDER
============================================ */
#testimonials-section { overflow: hidden; }

.testimonials-wrapper {
  position: relative;
  overflow: hidden;
}

.testimonials-track {
  display: flex;
  gap: 24px;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  will-change: transform;
}

/* Each card takes 1/3 of container width minus gaps */
.testimonial-card {
  flex: 0 0 calc((100% - 48px) / 3);
  min-width: calc((100% - 48px) / 3);
  background: #ffffff;
  border-radius: var(--radius-lg);
  box-shadow: 0 4px 24px rgba(0,0,0,0.09);
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 36px rgba(0,0,0,0.14);
}

/* Video thumbnail area */
.testimonial-video-thumb {
  position: relative;
  width: 100%;
  padding-top: 56.25%; /* 16:9 */
  overflow: hidden;
  background: var(--navy-light);
  cursor: pointer;
}
.thumb-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transition: transform 0.4s ease;
}
.testimonial-video-thumb:hover .thumb-bg { transform: scale(1.04); }

/* Gradient overlay on thumbnail */
.thumb-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10,22,40,0.2) 0%, rgba(10,22,40,0.55) 100%);
}

/* Unique gradient backgrounds per card */
.thumb-bg-1 { background: linear-gradient(135deg, #1a3a5c 0%, #0d6efd 100%); }
.thumb-bg-2 { background: linear-gradient(135deg, #0f2040 0%, #00c8ff 100%); }
.thumb-bg-3 { background: linear-gradient(135deg, #162847 0%, #7c3aed 100%); }
.thumb-bg-4 { background: linear-gradient(135deg, #0a2a1e 0%, #059669 100%); }
.thumb-bg-5 { background: linear-gradient(135deg, #3a0a0a 0%, #dc2626 100%); }
.thumb-bg-6 { background: linear-gradient(135deg, #1a1a3e 0%, #d97706 100%); }

/* Logo watermark on thumbnail */
.thumb-logo {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 2;
  background: rgba(255,255,255,0.15);
  backdrop-filter: blur(6px);
  color: white;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 5px 10px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  gap: 5px;
}

/* Play button */
.play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 3;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: rgba(255,255,255,0.92);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}
.play-btn:hover {
  background: white;
  transform: translate(-50%, -50%) scale(1.1);
  box-shadow: 0 6px 28px rgba(0,0,0,0.4);
}
.play-btn i {
  color: var(--blue);
  font-size: 1.1rem;
  margin-left: 3px; /* optical centering for play icon */
}

/* Card body (stars + name + quote) */
.testimonial-body {
  padding: 24px 24px 28px;
}
.testimonial-stars {
  display: flex;
  gap: 4px;
  margin-bottom: 12px;
}
.testimonial-stars i {
  color: #f59e0b;
  font-size: 1rem;
}
.testimonial-name {
  font-size: 0.97rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 10px;
  line-height: 1.3;
}
.testimonial-name span {
  font-weight: 500;
  color: var(--gray-600);
}
.testimonial-quote {
  font-size: 0.88rem;
  color: var(--gray-700);
  line-height: 1.75;
  font-style: italic;
}

/* Navigation arrows */
.testimonial-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--blue);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(13,110,253,0.4);
  transition: all 0.25s ease;
  color: white;
  font-size: 0.9rem;
}
.testimonial-arrow:hover {
  background: var(--blue-light);
  transform: translateY(-50%) scale(1.08);
  box-shadow: 0 6px 22px rgba(13,110,253,0.55);
}
.testimonial-arrow-right { right: -16px; }
.testimonial-arrow-left  { left: -16px; }
.testimonial-arrow.hidden { opacity: 0; pointer-events: none; }

/* Dots */
.testimonial-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 32px;
}
.testimonial-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--gray-300);
  border: none;
  cursor: pointer;
  padding: 0;
  transition: all 0.3s ease;
}
.testimonial-dot.active {
  background: var(--blue);
  transform: scale(1.2);
}

/* Responsive testimonials */
@media (max-width: 900px) {
  .testimonial-card {
    flex: 0 0 calc((100% - 24px) / 2);
    min-width: calc((100% - 24px) / 2);
  }
}
@media (max-width: 600px) {
  .testimonial-card {
    flex: 0 0 100%;
    min-width: 100%;
  }
  .testimonials-track { gap: 16px; }
  .testimonial-arrow-right { right: 0; }
  .testimonial-arrow-left  { left: 0; }
}

/* ============================================
   FOOTER
============================================ */
#site-footer {
  background: var(--navy);
  border-top: 1px solid rgba(255,255,255,0.06);
}
.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding: 60px 0 40px;
}
@media (max-width: 900px) { .footer-top { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .footer-top { grid-template-columns: 1fr; } }
.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}
.logo-mark-footer {
  width: 36px;
  height: 36px;
  background: var(--gradient-main);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.9rem;
  color: white;
}
.footer-logo-text {
  font-size: 1.1rem;
  font-weight: 700;
  color: white;
}
.footer-logo-text span { color: var(--cyan); }
.footer-brand p {
  color: rgba(255,255,255,0.55);
  font-size: 0.88rem;
  max-width: 280px;
  line-height: 1.7;
}
.footer-powered {
  margin-top: 12px;
  font-size: 0.8rem !important;
  color: rgba(255,255,255,0.35) !important;
}
.footer-powered a { color: var(--cyan); }
.footer-col h5 {
  color: white;
  font-size: 0.88rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 20px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col a {
  color: rgba(255,255,255,0.55);
  font-size: 0.88rem;
  transition: var(--transition);
}
.footer-col a:hover { color: var(--cyan); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom p { color: rgba(255,255,255,0.4); font-size: 0.83rem; }
.footer-legal { display: flex; gap: 20px; }
.footer-legal a {
  color: rgba(255,255,255,0.4);
  font-size: 0.83rem;
  transition: var(--transition);
}
.footer-legal a:hover { color: var(--cyan); }

/* ============================================
   TOAST NOTIFICATIONS
============================================ */
.toast {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background: var(--navy-mid);
  border: 1px solid rgba(255,255,255,0.1);
  border-left: 4px solid var(--blue);
  color: white;
  padding: 16px 20px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.92rem;
  font-weight: 500;
  z-index: 9999;
  transform: translateY(20px);
  opacity: 0;
  transition: all 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
  max-width: 380px;
}
.toast.show { transform: translateY(0); opacity: 1; }
.toast i { font-size: 1.2rem; color: var(--blue); }

/* ============================================
   RESPONSIVE
============================================ */
@media (max-width: 1100px) {
  .hero-inner { grid-template-columns: 1fr 360px; gap: 40px; }
  .page-hero-inner { grid-template-columns: 1fr 320px; gap: 40px; }
}
@media (max-width: 900px) {
  .nav-links, .btn-cta-header { display: none; }
  .hamburger { display: flex; }
  .hero-inner, .page-hero-inner { grid-template-columns: 1fr; }
  .hero-form-card, .page-hero-form { margin-top: 0; }
  .category-grid { grid-template-columns: 1fr; }
  .tiberiu-inner { grid-template-columns: 1fr; }
  .course-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .section-pad { padding: 60px 0; }
  h1 { font-size: 1.9rem; }
  h2 { font-size: 1.5rem; }
  .hero { padding: 60px 0 80px; }
  .hero-actions { flex-direction: column; }
  .hero-meta { gap: 24px; }
  .hero-meta-item .num { font-size: 1.6rem; }
  .course-grid { grid-template-columns: 1fr; }
  .benefit-grid { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .footer-legal { flex-wrap: wrap; justify-content: center; }
  .toast { right: 16px; left: 16px; max-width: none; }
}

/* ============================================
   PAGE TRANSITION ANIMATION
============================================ */
.page-section.active {
  animation: fadeInPage 0.4s ease forwards;
}
@keyframes fadeInPage {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ============================================
   NAV HIGHLIGHT – Pre-Recorded tab
============================================ */
.nav-link-highlight {
  background: rgba(0,200,255,0.12) !important;
  color: var(--cyan) !important;
  border: 1px solid rgba(0,200,255,0.25) !important;
  border-radius: var(--radius-full) !important;
  padding: 7px 14px !important;
  font-weight: 600 !important;
  display: inline-flex !important;
  align-items: center;
  gap: 6px;
}
.nav-link-highlight:hover,
.nav-link-highlight.active {
  background: rgba(0,200,255,0.22) !important;
  color: white !important;
}
.nav-link-highlight-mobile {
  color: var(--cyan) !important;
  font-weight: 600 !important;
}

/* ============================================
   LANGUAGE TOGGLE BUTTON  (EN / RO)
============================================ */
.lang-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.18);
  color: rgba(255,255,255,0.85);
  border-radius: var(--radius-full);
  padding: 6px 13px;
  font-size: 0.82rem;
  font-weight: 700;
  font-family: var(--font);
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease, transform 0.15s ease;
  white-space: nowrap;
  flex-shrink: 0;
  user-select: none;
}
.lang-toggle:hover {
  background: rgba(0,200,255,0.15);
  border-color: rgba(0,200,255,0.45);
  color: #fff;
  transform: translateY(-1px);
}
.lang-toggle:active {
  transform: translateY(0);
}
.lang-toggle.lang-en {
  background: rgba(0,200,255,0.12);
  border-color: rgba(0,200,255,0.35);
  color: var(--cyan);
}
.lang-toggle .lang-flag {
  font-size: 1rem;
  line-height: 1;
}
.lang-toggle .lang-label {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.06em;
}
.lang-toggle .lang-chevron {
  font-size: 0.65rem;
  opacity: 0.6;
  transition: transform 0.2s ease;
}
.lang-toggle.lang-en .lang-chevron {
  transform: rotate(180deg);
}

/* Mobile lang toggle */
.lang-toggle-mobile {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.14);
  color: rgba(255,255,255,0.8);
  border-radius: var(--radius-full);
  padding: 10px 18px;
  font-size: 0.9rem;
  font-weight: 600;
  font-family: var(--font);
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease;
  width: 100%;
  justify-content: center;
  margin-top: 8px;
}
.lang-toggle-mobile:hover {
  background: rgba(0,200,255,0.15);
  color: #fff;
}

/* Hide chevron on very small header if needed */
@media (max-width: 900px) {
  .lang-toggle { display: none; }
}

/* ============================================
   PRE-RECORDED COURSES PAGE
============================================ */

/* ---- Hero ---- */
.pr-hero {
  position: relative;
  background: var(--navy);
  overflow: hidden;
  padding: 72px 0 80px;
}
.pr-hero-bg {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(ellipse at 10% 60%, rgba(0,200,255,0.18) 0%, transparent 55%),
    radial-gradient(ellipse at 85% 20%, rgba(13,110,253,0.2) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 100%, rgba(13,110,253,0.1) 0%, transparent 40%);
}
/* Decorative grid pattern */
.pr-hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 48px 48px;
}
.pr-hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 60px;
  align-items: center;
}
.pr-hero-text { color: white; }
.pr-hero-text h1 { color: white; margin-bottom: 16px; }
.pr-hero-text .hero-lead {
  color: rgba(255,255,255,0.78);
  font-size: 1.1rem;
  max-width: 560px;
  margin-bottom: 36px;
}
.pr-hero-stats {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
  padding-top: 28px;
  border-top: 1px solid rgba(255,255,255,0.1);
}
.pr-stat { display: flex; flex-direction: column; gap: 3px; }
.pr-stat-num {
  font-size: 1.9rem;
  font-weight: 800;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}
.pr-stat-label { font-size: 0.78rem; color: rgba(255,255,255,0.55); font-weight: 500; }

.pr-hero-badges {
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex-shrink: 0;
}
.pr-badge {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-md);
  padding: 12px 18px;
  color: white;
  font-size: 0.88rem;
  font-weight: 600;
  backdrop-filter: blur(8px);
  min-width: 180px;
  transition: var(--transition);
}
.pr-badge:hover { background: rgba(255,255,255,0.12); border-color: rgba(0,200,255,0.35); }
.pr-badge i { color: var(--cyan); font-size: 1rem; width: 18px; text-align: center; }

/* ---- Filter Bar ---- */
.pr-filter-bar {
  background: var(--white);
  border-bottom: 1.5px solid var(--gray-200);
  position: sticky;
  top: 72px;
  z-index: 100;
  box-shadow: 0 4px 20px rgba(0,0,0,0.06);
}
.pr-filter-inner {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 14px 24px;
  flex-wrap: wrap;
}

/* Search */
.pr-search-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--gray-100);
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-full);
  padding: 9px 16px;
  flex: 0 0 240px;
  transition: var(--transition);
}
.pr-search-wrap:focus-within {
  border-color: var(--blue);
  background: white;
  box-shadow: 0 0 0 3px rgba(13,110,253,0.1);
}
.pr-search-wrap i { color: var(--gray-500); font-size: 0.9rem; flex-shrink: 0; }
.pr-search-wrap input {
  border: none;
  background: transparent;
  outline: none;
  font-size: 0.88rem;
  color: var(--gray-800);
  font-family: var(--font);
  width: 100%;
}
.pr-search-wrap input::placeholder { color: var(--gray-500); }

/* Tabs */
.pr-tabs {
  display: flex;
  align-items: center;
  gap: 6px;
  flex: 1;
  flex-wrap: wrap;
}
.pr-tab {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  border-radius: var(--radius-full);
  font-family: var(--font);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  border: 1.5px solid var(--gray-300);
  background: transparent;
  color: var(--gray-600);
  transition: var(--transition);
  white-space: nowrap;
}
.pr-tab:hover {
  border-color: var(--blue);
  color: var(--blue);
  background: rgba(13,110,253,0.06);
}
.pr-tab.active {
  background: var(--gradient-main);
  border-color: transparent;
  color: white;
  box-shadow: 0 3px 12px rgba(13,110,253,0.35);
}
.pr-tab i { font-size: 0.8rem; }

/* Sort */
.pr-sort-wrap select {
  padding: 9px 32px 9px 14px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-full);
  font-family: var(--font);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--gray-700);
  background: white url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236c757d' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E") no-repeat right 12px center;
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
  outline: none;
  transition: var(--transition);
}
.pr-sort-wrap select:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(13,110,253,0.1);
}

/* Results count */
.pr-results-count {
  padding: 16px 0 4px;
  font-size: 0.88rem;
  color: var(--gray-500);
  font-weight: 500;
}
.pr-results-count span { font-weight: 700; color: var(--navy); }

/* ---- Course Grid ---- */
.pr-grid-section { padding: 8px 0 64px; }

.pr-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 8px;
}
@media (max-width: 1200px) { .pr-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 900px)  { .pr-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px)  { .pr-grid { grid-template-columns: 1fr; } }

/* ---- Course Card ---- */
.pr-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1.5px solid var(--gray-200);
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  display: flex;
  flex-direction: column;
  cursor: pointer;
}
.pr-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 48px rgba(0,0,0,0.13);
  border-color: rgba(13,110,253,0.25);
}
.pr-card.hidden { display: none; }

/* Thumbnail */
.pr-card-thumb {
  position: relative;
  padding-top: 56.25%; /* 16:9 */
  overflow: hidden;
}
.pr-thumb-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transition: transform 0.4s ease;
}
.pr-card:hover .pr-thumb-bg { transform: scale(1.05); }

/* Thumb gradient backgrounds — unique per course */
.pr-thumb-ai-1    { background: linear-gradient(135deg, #0a1628 0%, #0d6efd 60%, #00c8ff 100%); }
.pr-thumb-ai-2    { background: linear-gradient(135deg, #0f2040 0%, #1a7fff 55%, #00c8ff 100%); }
.pr-thumb-ai-3    { background: linear-gradient(135deg, #162847 0%, #0d6efd 50%, #7c3aed 100%); }
.pr-thumb-ai-4    { background: linear-gradient(135deg, #0a1628 0%, #4f46e5 55%, #00c8ff 100%); }
.pr-thumb-data-1  { background: linear-gradient(135deg, #064e3b 0%, #059669 55%, #34d399 100%); }
.pr-thumb-data-2  { background: linear-gradient(135deg, #065f46 0%, #10b981 50%, #6ee7b7 100%); }
.pr-thumb-data-3  { background: linear-gradient(135deg, #1e3a5f 0%, #0d6efd 50%, #34d399 100%); }
.pr-thumb-data-4  { background: linear-gradient(135deg, #0c4a6e 0%, #0369a1 55%, #38bdf8 100%); }
.pr-thumb-cyber-1 { background: linear-gradient(135deg, #450a0a 0%, #dc2626 55%, #f97316 100%); }
.pr-thumb-cyber-2 { background: linear-gradient(135deg, #3b0764 0%, #7e22ce 50%, #dc2626 100%); }
.pr-thumb-cyber-3 { background: linear-gradient(135deg, #431407 0%, #ea580c 55%, #fbbf24 100%); }
.pr-thumb-cyber-4 { background: linear-gradient(135deg, #1e1b4b 0%, #4338ca 50%, #dc2626 100%); }
.pr-thumb-dev-1   { background: linear-gradient(135deg, #172554 0%, #1d4ed8 50%, #60a5fa 100%); }
.pr-thumb-dev-2   { background: linear-gradient(135deg, #0c4a6e 0%, #0284c7 50%, #38bdf8 100%); }

/* Dark overlay on thumb */
.pr-thumb-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0.1) 0%, rgba(0,0,0,0.45) 100%);
}

/* Thumbnail decorative icon */
.pr-thumb-bg::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: rgba(255,255,255,0.12);
  border: 2px solid rgba(255,255,255,0.25);
  z-index: 1;
}

/* Badge (NEW / BESTSELLER) */
.pr-card-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 3;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  text-transform: uppercase;
}
.badge-new         { background: var(--cyan); color: var(--navy); }
.badge-bestseller  { background: #f59e0b;    color: #1c1007; }

/* Level badge */
.pr-card-level {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 3;
  font-size: 0.68rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  backdrop-filter: blur(6px);
}
.level-beginner    { background: rgba(25,135,84,0.85); color: white; }
.level-intermediate{ background: rgba(217,119,6,0.85); color: white; }
.level-advanced    { background: rgba(220,53,69,0.85);  color: white; }

/* Play/Preview overlay */
.pr-thumb-overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  background: rgba(10,22,40,0.5);
  transition: opacity 0.3s ease;
}
.pr-card:hover .pr-thumb-overlay { opacity: 1; }
.pr-play-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  background: white;
  color: var(--navy);
  border: none;
  border-radius: var(--radius-full);
  padding: 10px 20px;
  font-family: var(--font);
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 4px 16px rgba(0,0,0,0.3);
}
.pr-play-btn:hover {
  background: var(--cyan);
  color: var(--navy);
  transform: scale(1.05);
}
.pr-play-btn i { font-size: 0.75rem; }

/* Card body */
.pr-card-body {
  padding: 18px 20px 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}

/* Meta row (tag + duration) */
.pr-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}
.pr-card-tag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 4px 10px;
  border-radius: var(--radius-full);
}
.tag-ai    { background: rgba(13,110,253,0.1);  color: #0d6efd; border: 1px solid rgba(13,110,253,0.2); }
.tag-data  { background: rgba(5,150,105,0.1);   color: #059669; border: 1px solid rgba(5,150,105,0.2); }
.tag-cyber { background: rgba(220,38,38,0.09);  color: #dc2626; border: 1px solid rgba(220,38,38,0.18); }
.tag-dev   { background: rgba(124,58,237,0.1);  color: #7c3aed; border: 1px solid rgba(124,58,237,0.2); }

.pr-card-duration {
  font-size: 0.78rem;
  color: var(--gray-500);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
}
.pr-card-duration i { color: var(--blue); font-size: 0.72rem; }

/* Title */
.pr-card-title {
  font-size: 0.97rem;
  font-weight: 700;
  color: var(--navy);
  line-height: 1.4;
  margin: 2px 0;
  flex: 1;
}

/* Instructor */
.pr-card-instructor {
  font-size: 0.82rem;
  color: var(--gray-600);
  display: flex;
  align-items: center;
  gap: 6px;
}
.pr-card-instructor i { color: var(--blue); font-size: 0.85rem; }

/* Rating */
.pr-card-rating {
  display: flex;
  align-items: center;
  gap: 6px;
}
.pr-stars { color: #f59e0b; font-size: 0.85rem; letter-spacing: 1px; }
.pr-rating-num { font-size: 0.85rem; font-weight: 700; color: var(--navy); }
.pr-rating-count { font-size: 0.78rem; color: var(--gray-500); }

/* Details row */
.pr-card-details {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}
.pr-card-details span {
  font-size: 0.78rem;
  color: var(--gray-500);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-weight: 500;
}
.pr-card-details i { color: var(--blue); font-size: 0.72rem; }

/* Footer (price + button) */
.pr-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid var(--gray-200);
}
.pr-price-block { display: flex; flex-direction: column; gap: 1px; }
.pr-price-original {
  font-size: 0.78rem;
  color: var(--gray-500);
  text-decoration: line-through;
  font-weight: 500;
}
.pr-price-current {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--navy);
  line-height: 1;
}

.pr-enroll-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 16px;
  background: var(--gradient-main);
  color: white;
  border: none;
  border-radius: var(--radius-full);
  font-family: var(--font);
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
  box-shadow: 0 3px 10px rgba(13,110,253,0.3);
  flex-shrink: 0;
}
.pr-enroll-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(13,110,253,0.5);
}

/* ---- Coming Soon card overlay ---- */
.pr-card.coming-soon {
  position: relative;
  overflow: hidden;
}
.pr-card.coming-soon .pr-card-body {
  opacity: 0.45;
  pointer-events: none;
  user-select: none;
}
.pr-card.coming-soon .pr-card-thumb {
  opacity: 0.55;
}
.pr-coming-soon-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: rgba(10, 22, 40, 0.55);
  backdrop-filter: blur(2px);
  z-index: 10;
  gap: 10px;
}
.pr-coming-soon-overlay .cs-badge {
  background: linear-gradient(135deg, #00c8ff, #0d6efd);
  color: #fff;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 6px 18px;
  border-radius: 50px;
  box-shadow: 0 4px 16px rgba(0,200,255,0.35);
}
.pr-coming-soon-overlay .cs-text {
  color: rgba(255,255,255,0.75);
  font-size: 0.82rem;
  font-weight: 500;
}

/* ---- Empty state ---- */
.pr-empty {
  text-align: center;
  padding: 80px 0;
  color: var(--gray-500);
}
.pr-empty i { font-size: 3.5rem; color: var(--gray-300); display: block; margin-bottom: 20px; }
.pr-empty h3 { font-size: 1.3rem; color: var(--gray-700); margin-bottom: 8px; }
.pr-empty p  { font-size: 0.95rem; margin-bottom: 24px; }

/* ---- Load More ---- */
.pr-load-more-wrap { text-align: center; margin-top: 40px; }
.pr-load-more-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 36px;
  border: 2px solid var(--blue);
  border-radius: var(--radius-full);
  background: transparent;
  color: var(--blue);
  font-family: var(--font);
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
}
.pr-load-more-btn:hover {
  background: var(--blue);
  color: white;
  box-shadow: var(--shadow-blue);
}

/* ---- Promo Banner ---- */
.pr-promo-banner {
  background: var(--navy);
  background-image:
    radial-gradient(ellipse at 0% 50%, rgba(0,200,255,0.12) 0%, transparent 55%),
    radial-gradient(ellipse at 100% 50%, rgba(13,110,253,0.15) 0%, transparent 50%);
  padding: 72px 0;
  margin-top: 20px;
}
.pr-promo-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 60px;
  align-items: center;
}
.pr-promo-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(0,200,255,0.15);
  color: var(--cyan);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  margin-bottom: 14px;
  border: 1px solid rgba(0,200,255,0.25);
}
.pr-promo-text h2 {
  color: white;
  font-size: clamp(1.5rem, 2.5vw, 2.2rem);
  margin-bottom: 12px;
}
.pr-promo-text p { color: rgba(255,255,255,0.65); font-size: 0.97rem; max-width: 500px; }
.pr-promo-actions { display: flex; flex-direction: column; gap: 16px; align-items: flex-start; }
.pr-promo-features {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.pr-promo-features span {
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.7);
  font-size: 0.88rem;
  font-weight: 500;
}
.pr-promo-features i { color: var(--cyan); font-size: 0.8rem; }

/* ---- Responsive ---- */
@media (max-width: 1000px) {
  .pr-hero-inner { grid-template-columns: 1fr; gap: 32px; }
  .pr-hero-badges { flex-direction: row; flex-wrap: wrap; }
  .pr-badge { min-width: auto; }
  .pr-promo-inner { grid-template-columns: 1fr; gap: 32px; }
  .pr-promo-actions { align-items: stretch; }
}
@media (max-width: 768px) {
  .pr-filter-inner { gap: 12px; }
  .pr-search-wrap { flex: 1 1 100%; order: -1; }
  .pr-tabs { order: 1; width: 100%; }
  .pr-sort-wrap { order: 2; }
  .pr-hero-stats { gap: 20px; }
}
@media (max-width: 560px) {
  .pr-hero { padding: 60px 0 60px; }
  .pr-promo-banner { padding: 48px 0; }
  .pr-card-footer { flex-direction: column; align-items: stretch; gap: 10px; }
  .pr-enroll-btn { justify-content: center; }
}