/* ============================================
   ICT pro – Main Stylesheet
   ============================================ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --blue:   #d50037;
  --blue-light: #fde8ee;
  --purple: #7c3aed;
  --purple-light: #ede9fe;
  --teal:   #0d9488;
  --teal-light: #ccfbf1;
  --dark:   #0f172a;
  --dark2:  #1e293b;
  --mid:    #475569;
  --light:  #f8fafc;
  --white:  #ffffff;
  --border: #e2e8f0;
  --radius: 16px;
  --shadow: 0 4px 24px rgba(15,23,42,.08);
  --shadow-lg: 0 16px 48px rgba(15,23,42,.14);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, sans-serif;
  color: var(--dark);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; }

.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---- BUTTONS ---- */
.btn-primary {
  display: inline-block;
  background: var(--blue);
  color: var(--white);
  padding: 14px 32px;
  border-radius: 50px;
  font-weight: 600;
  font-size: .95rem;
  transition: background .2s, transform .15s, box-shadow .2s;
  box-shadow: 0 4px 16px rgba(213,0,55,.35);
}
.btn-primary:hover { background: #a2002a; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(213,0,55,.4); }

.btn-ghost {
  display: inline-block;
  color: var(--dark);
  padding: 14px 32px;
  border-radius: 50px;
  font-weight: 600;
  font-size: .95rem;
  border: 2px solid var(--border);
  transition: border-color .2s, color .2s, transform .15s;
}
.btn-ghost:hover { border-color: var(--blue); color: var(--blue); transform: translateY(-2px); }

.btn-large { padding: 18px 44px; font-size: 1.05rem; }

/* ---- NAVBAR ---- */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(255,255,255,.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow .3s;
}
.navbar.scrolled { box-shadow: var(--shadow); }

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
  height: 68px;
}

.logo { font-size: 1.5rem; font-weight: 800; letter-spacing: -1px; }
.logo-ict { color: var(--blue); }
.logo-pro { color: var(--dark); }

.nav-links {
  display: flex;
  gap: 36px;
}
.nav-links a {
  font-weight: 500;
  font-size: .95rem;
  color: var(--mid);
  transition: color .2s;
}
.nav-links a:hover { color: var(--blue); }

.btn-nav {
  background: var(--blue);
  color: var(--white);
  padding: 10px 24px;
  border-radius: 50px;
  font-weight: 600;
  font-size: .9rem;
  transition: background .2s, transform .15s;
}
.btn-nav:hover { background: #a2002a; transform: translateY(-1px); }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--dark);
  border-radius: 2px;
  transition: transform .3s, opacity .3s;
}

/* ---- HERO ---- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 100px 24px 60px;
  max-width: 1160px;
  margin: 0 auto;
  position: relative;
  gap: 60px;
}

.hero-content { flex: 1; min-width: 0; }
.hero-visual { flex: 0 0 420px; position: relative; display: flex; align-items: center; justify-content: center; }

.badge {
  display: inline-block;
  background: var(--blue-light);
  color: var(--blue);
  padding: 6px 16px;
  border-radius: 50px;
  font-size: .85rem;
  font-weight: 600;
  margin-bottom: 20px;
}

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -1.5px;
  margin-bottom: 20px;
}

.gradient-text {
  background: linear-gradient(135deg, var(--blue) 0%, var(--purple) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 1.1rem;
  color: var(--mid);
  margin-bottom: 36px;
  max-width: 520px;
}

.hero-cta { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 48px; }

.hero-stats {
  display: flex;
  align-items: center;
  gap: 24px;
}
.stat { display: flex; flex-direction: column; }
.stat-num { font-size: 1.6rem; font-weight: 800; color: var(--dark); line-height: 1; }
.stat-label { font-size: .8rem; color: var(--mid); font-weight: 500; }
.stat-divider { width: 1px; height: 36px; background: var(--border); }

/* Hero visual */
.hero-circle {
  width: 340px; height: 340px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue-light) 0%, var(--purple-light) 100%);
  position: absolute;
  z-index: 0;
}

.floating-card {
  position: absolute;
  background: var(--white);
  border-radius: 14px;
  padding: 14px 20px;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 2;
  font-weight: 600;
  font-size: .9rem;
  white-space: nowrap;
  animation: float 4s ease-in-out infinite;
  cursor: pointer;
  color: var(--dark);
  border: 2px solid transparent;
  transition: border-color .2s, box-shadow .2s, transform .2s;
}
.floating-card:hover {
  border-color: var(--blue);
  box-shadow: 0 20px 48px rgba(213,0,55,.18);
  animation-play-state: paused;
}
.floating-card .card-icon { font-size: 1.5rem; }

.card-1 { top: 5%; left: -5%; animation-delay: 0s; }
.card-2 { top: 40%; right: -10%; animation-delay: 1.3s; }
.card-3 { bottom: 10%; left: 5%; animation-delay: 2.6s; }

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

/* ---- SECTION HEADER ---- */
.section-header { text-align: center; margin-bottom: 56px; }
.section-badge {
  display: inline-block;
  background: var(--blue-light);
  color: var(--blue);
  padding: 6px 16px;
  border-radius: 50px;
  font-size: .85rem;
  font-weight: 600;
  margin-bottom: 16px;
}
.section-header h2 { font-size: 2.4rem; font-weight: 800; letter-spacing: -1px; margin-bottom: 12px; }
.section-header p { font-size: 1.05rem; color: var(--mid); max-width: 540px; margin: 0 auto; }

/* ---- COURSES ---- */
.kurzy { padding: 100px 0; background: var(--light); }

.courses-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  align-items: start;
}

.course-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  position: relative;
  transition: transform .25s, box-shadow .25s;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.course-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }

.course-card.featured {
  border: 2px solid var(--purple);
  background: linear-gradient(160deg, #fdf8ff 0%, #fff 40%);
}

.featured-badge {
  position: absolute;
  top: -14px; left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--purple) 0%, #9333ea 100%);
  color: var(--white);
  padding: 5px 20px;
  border-radius: 50px;
  font-size: .8rem;
  font-weight: 700;
  white-space: nowrap;
}

.course-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.course-icon { font-size: 2.4rem; line-height: 1; }
.course-tags { display: flex; flex-direction: column; gap: 6px; align-items: flex-end; }

.tag {
  display: inline-block;
  padding: 3px 12px;
  border-radius: 50px;
  font-size: .75rem;
  font-weight: 600;
  background: var(--blue-light);
  color: var(--blue);
}
.tag-level {
  background: #f1f5f9;
  color: var(--mid);
}

.course-card[data-color="purple"] .tag { background: var(--purple-light); color: var(--purple); }
.course-card[data-color="teal"]   .tag { background: var(--teal-light);   color: var(--teal); }

.course-card h3 {
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -.5px;
}
.course-card h3 strong { display: block; font-size: 1.5rem; }

.course-desc { font-size: .93rem; color: var(--mid); line-height: 1.65; }

.course-topics { display: flex; flex-direction: column; gap: 8px; }
.course-topics li {
  font-size: .88rem;
  color: var(--mid);
  padding-left: 22px;
  position: relative;
}
.course-topics li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--blue);
  font-weight: 700;
}
.course-card[data-color="purple"] .course-topics li::before { color: var(--purple); }
.course-card[data-color="teal"]   .course-topics li::before { color: var(--teal); }

.course-meta {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  padding-top: 4px;
  border-top: 1px solid var(--border);
}
.meta-item { font-size: .82rem; color: var(--mid); font-weight: 500; }

.btn-course {
  display: block;
  text-align: center;
  padding: 14px;
  border-radius: 10px;
  font-weight: 600;
  font-size: .95rem;
  border: 2px solid var(--blue);
  color: var(--blue);
  transition: background .2s, color .2s, transform .15s;
  margin-top: auto;
}
.btn-course:hover { background: var(--blue); color: var(--white); transform: translateY(-2px); }

.btn-course-featured {
  background: linear-gradient(135deg, var(--purple) 0%, #9333ea 100%);
  border-color: transparent;
  color: var(--white);
  box-shadow: 0 4px 16px rgba(124,58,237,.35);
}
.btn-course-featured:hover { background: linear-gradient(135deg, #6d28d9 0%, #7c3aed 100%); color: var(--white); box-shadow: 0 8px 24px rgba(124,58,237,.4); }

/* ---- WHY US ---- */
.why-us { padding: 100px 0; }

.why-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.why-text .section-badge { display: inline-block; }
.why-text h2 { font-size: 2.2rem; font-weight: 800; letter-spacing: -1px; margin: 12px 0 16px; }
.why-text > p { font-size: 1rem; color: var(--mid); margin-bottom: 36px; }

.why-features { display: flex; flex-direction: column; gap: 24px; }
.feature { display: flex; gap: 16px; align-items: flex-start; }
.feature-icon { font-size: 1.5rem; flex-shrink: 0; margin-top: 2px; }
.feature h4 { font-size: 1rem; font-weight: 700; margin-bottom: 4px; }
.feature p { font-size: .9rem; color: var(--mid); }

.testimonial-stack { position: relative; }
.testimonial {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
}
.testimonial-2 {
  margin-top: -20px;
  margin-left: 32px;
  position: relative;
  z-index: 1;
}
.stars { color: #f59e0b; font-size: 1rem; margin-bottom: 12px; letter-spacing: 2px; }
.testimonial p { font-size: .93rem; color: var(--mid); font-style: italic; margin-bottom: 16px; }
.testimonial-author { display: flex; align-items: center; gap: 12px; }
.author-avatar {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue) 0%, var(--purple) 100%);
  color: var(--white);
  font-weight: 700;
  font-size: .85rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.testimonial-author strong { font-size: .9rem; }
.testimonial-author small { color: var(--mid); font-size: .8rem; }

/* ---- CTA BANNER ---- */
.cta-banner {
  padding: 80px 0;
  background: linear-gradient(135deg, var(--blue) 0%, var(--purple) 100%);
}
.cta-inner { text-align: center; }
.cta-inner h2 { font-size: 2.4rem; font-weight: 800; color: var(--white); margin-bottom: 12px; letter-spacing: -1px; }
.cta-inner p { font-size: 1.05rem; color: rgba(255,255,255,.8); margin-bottom: 32px; }
.cta-inner .btn-primary {
  background: var(--white);
  color: var(--blue);
  box-shadow: 0 4px 20px rgba(0,0,0,.2);
}
.cta-inner .btn-primary:hover { background: #f1f5f9; transform: translateY(-3px); }

/* ---- FOOTER ---- */
.footer { background: var(--dark); color: rgba(255,255,255,.75); padding: 64px 0 0; }

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand p { font-size: .9rem; margin-top: 12px; line-height: 1.7; max-width: 260px; }
.footer-brand .logo-ict { color: #ff6b85; }
.footer-brand .logo-pro { color: var(--white); }

.footer-col h4 { color: var(--white); font-size: .95rem; font-weight: 700; margin-bottom: 16px; }
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col a { font-size: .9rem; transition: color .2s; }
.footer-col a:hover { color: var(--white); }
.footer-col li { font-size: .9rem; }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding: 24px 0;
  text-align: center;
  font-size: .85rem;
  color: rgba(255,255,255,.4);
}

/* ---- RESPONSIVE ---- */
@media (max-width: 1024px) {
  .courses-grid { grid-template-columns: 1fr; max-width: 560px; margin: 0 auto; }
  .hero { flex-direction: column; text-align: center; }
  .hero-visual { display: none; }
  .hero-stats { justify-content: center; }
  .hero-cta { justify-content: center; }
  .hero-sub { margin: 0 auto 36px; }
  .why-grid { grid-template-columns: 1fr; gap: 48px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .nav-links, .btn-nav { display: none; }
  .hamburger { display: flex; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 68px; left: 0; right: 0;
    background: var(--white);
    padding: 24px;
    gap: 16px;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
  }
  .nav-links.open + .btn-nav { display: block; }
  .section-header h2 { font-size: 1.8rem; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .cta-inner h2 { font-size: 1.8rem; }
}