/* ============================================================
   COMPONENTS.CSS — All component-specific styles
   ============================================================ */

/* ===== NAVBAR ===== */
.navbar {
  position: fixed; top: 0; left: 0; right: 0;
  height: var(--navbar-height);
  background: var(--navbar-bg);
  z-index: var(--z-navbar);
  transition: var(--transition);
  border-bottom: 1px solid var(--navbar-border);
}
.navbar.scrolled {
  background: var(--navbar-bg-scrolled);
  box-shadow: 0 4px 30px rgba(0,0,0,0.25);
  backdrop-filter: blur(20px);
}
.navbar-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 100%; padding: 0 24px;
  max-width: 1280px; margin: 0 auto;
}
.navbar-brand {
  display: flex; align-items: center; gap: 12px;
  text-decoration: none;
}
.navbar-brand .brand-icon {
  width: 42px; height: 42px;
  background: linear-gradient(135deg, var(--accent-color), var(--secondary-color));
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem; color: #fff; font-weight: 800;
  font-family: var(--font-heading);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-name { font-family: var(--font-heading); font-size: 1.15rem; font-weight: 800; color: #fff; }
.brand-sub { font-size: 0.65rem; color: var(--secondary-color); letter-spacing: 0.12em; text-transform: uppercase; font-weight: 600; }

.nav-menu { display: flex; align-items: center; gap: 4px; }
.nav-item { position: relative; }
.nav-link {
  display: flex; align-items: center; gap: 5px;
  padding: 8px 14px;
  color: var(--navbar-text);
  font-size: 0.88rem; font-weight: 500;
  border-radius: var(--border-radius-sm);
  transition: var(--transition);
  cursor: pointer; white-space: nowrap;
}
.nav-link:hover, .nav-link.active {
  color: var(--navbar-text-hover);
  background: rgba(255,255,255,0.06);
}
.nav-link .caret { font-size: 0.65rem; transition: var(--transition-fast); }
.nav-item:hover .caret { transform: rotate(180deg); }

/* Dropdown */
.dropdown-menu {
  position: absolute; top: calc(100% + 8px); left: 0;
  background: var(--dropdown-bg);
  border-radius: var(--border-radius);
  box-shadow: var(--dropdown-shadow);
  min-width: 210px;
  padding: 8px;
  opacity: 0; visibility: hidden; pointer-events: none;
  transform: translateY(-8px);
  transition: var(--transition);
  z-index: var(--z-dropdown);
  border: 1px solid var(--border-color);
}
.nav-item:hover .dropdown-menu {
  opacity: 1; visibility: visible; pointer-events: all;
  transform: translateY(0);
}
.dropdown-item {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 14px; color: var(--text-color);
  font-size: var(--font-size-sm); font-weight: 500;
  border-radius: var(--border-radius-sm);
  transition: var(--transition-fast);
}
.dropdown-item:hover { background: var(--section-bg-alt); color: var(--primary-color); }
.dropdown-item .icon { width: 20px; text-align: center; color: var(--accent-color); font-size: 0.85rem; }
.dropdown-divider { height: 1px; background: var(--border-color); margin: 6px 0; }

.navbar-actions { display: flex; align-items: center; gap: 12px; }
.navbar-actions .btn { padding: 8px 20px; font-size: 0.85rem; }

/* Mobile Toggle */
.nav-toggle {
  display: none;
  flex-direction: column; gap: 5px;
  cursor: pointer; padding: 6px;
  background: none; border: none;
}
.nav-toggle span {
  display: block; width: 24px; height: 2px;
  background: #fff; border-radius: 2px;
  transition: var(--transition);
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== HERO ===== */
.hero {
  background: var(--hero-bg);
  min-height: 100vh;
  display: flex; align-items: center;
  position: relative; overflow: hidden;
  padding-top: var(--navbar-height);
}
.hero::before {
  content: ''; position: absolute; inset: 0;
  background-image:
    radial-gradient(ellipse at 15% 60%, rgba(0,181,216,0.15) 0%, transparent 55%),
    radial-gradient(ellipse at 85% 25%, rgba(232,162,26,0.12) 0%, transparent 55%),
    radial-gradient(ellipse at 50% 50%, rgba(26,58,92,0.4) 0%, transparent 70%);
}
.hero-grid {
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 50px 50px;
}
.hero-content { position: relative; z-index: 1; padding: 60px 0; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 16px;
  background: rgba(0,181,216,0.15); border: 1px solid rgba(0,181,216,0.3);
  border-radius: var(--border-radius-pill);
  color: var(--accent-light); font-size: var(--font-size-sm); font-weight: 600;
  margin-bottom: 24px;
}
.hero-badge .dot { width: 7px; height: 7px; background: var(--accent-color); border-radius: 50%; animation: pulse 2s infinite; }
@keyframes pulse { 0%,100% { transform: scale(1); opacity: 1; } 50% { transform: scale(1.4); opacity: 0.6; } }

.hero h1 {
  color: #fff; font-size: clamp(2.4rem, 6vw, 4rem);
  line-height: 1.1; margin-bottom: 24px;
  font-weight: 800;
}
.hero h1 .highlight {
  background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.hero-description { color: rgba(255,255,255,0.72); font-size: var(--font-size-lg); line-height: 1.75; margin-bottom: 36px; max-width: 560px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 48px; }
.hero-stats { display: flex; gap: 36px; flex-wrap: wrap; }
.hero-stat { text-align: left; }
.hero-stat .num { font-size: 1.8rem; font-weight: 800; color: #fff; font-family: var(--font-heading); line-height: 1; }
.hero-stat .num span { color: var(--secondary-color); }
.hero-stat .lbl { font-size: var(--font-size-xs); color: rgba(255,255,255,0.55); text-transform: uppercase; letter-spacing: 0.08em; margin-top: 4px; }
.hero-visual { position: relative; display: flex; align-items: center; justify-content: center; }
.hero-cards-stack { position: relative; width: 100%; max-width: 420px; margin: 0 auto; }
.hero-floating-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--border-radius);
  backdrop-filter: blur(20px);
  padding: 20px 24px;
  margin-bottom: 16px;
  transition: var(--transition);
}
.hero-floating-card:hover { background: rgba(255,255,255,0.09); transform: translateX(6px); }
.hfc-title { font-weight: 700; color: #fff; font-family: var(--font-heading); margin-bottom: 6px; }
.hfc-desc { font-size: var(--font-size-sm); color: rgba(255,255,255,0.6); margin: 0; }
.hfc-tag {
  display: inline-block; margin-top: 10px; padding: 3px 10px;
  border-radius: 20px; font-size: 0.7rem; font-weight: 600; letter-spacing: 0.05em;
}
.hfc-tag.training { background: rgba(0,181,216,0.2); color: var(--accent-light); }
.hfc-tag.software { background: rgba(232,162,26,0.2); color: var(--secondary-light); }

/* ===== DUAL BUSINESS SEGMENT ===== */
.dual-segment { display: grid; grid-template-columns: 1fr 1fr; }
.segment {
  padding: 80px 60px;
  position: relative; overflow: hidden;
  display: flex; flex-direction: column; justify-content: center;
}
.segment-training { background: var(--primary-color); }
.segment-software { background: var(--section-bg-dark); }
.segment::before {
  content: ''; position: absolute; inset: 0;
  background-repeat: no-repeat;
}
.segment-training::before {
  background-image: radial-gradient(ellipse at 80% 80%, rgba(0,181,216,0.15) 0%, transparent 60%);
}
.segment-software::before {
  background-image: radial-gradient(ellipse at 20% 20%, rgba(232,162,26,0.12) 0%, transparent 60%);
}
.segment-icon {
  width: 60px; height: 60px;
  border-radius: var(--border-radius);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem; margin-bottom: 24px; position: relative; z-index: 1;
}
.segment-training .segment-icon { background: rgba(0,181,216,0.2); color: var(--accent-color); }
.segment-software .segment-icon { background: rgba(232,162,26,0.2); color: var(--secondary-color); }
.segment h3 { color: #fff; font-size: 1.8rem; margin-bottom: 14px; position: relative; z-index: 1; }
.segment p { color: rgba(255,255,255,0.65); margin-bottom: 28px; line-height: 1.7; position: relative; z-index: 1; }
.segment .btn { position: relative; z-index: 1; align-self: flex-start; }
.segment-list { position: relative; z-index: 1; margin-bottom: 28px; }
.segment-list li { font-size: var(--font-size-sm); margin-bottom: 8px; }
.segment-list li::before { color: var(--secondary-color); margin-top: 4px; }

/* ===== COURSE CARD ===== */
.course-card {
  background: var(--card-background);
  border: 1px solid var(--card-border);
  border-radius: var(--border-radius);
  box-shadow: var(--card-shadow);
  overflow: hidden; transition: var(--transition);
  display: flex; flex-direction: column;
}
.course-card:hover { box-shadow: var(--card-shadow-hover); transform: translateY(-5px); }
.course-card-image {
  height: 180px; overflow: hidden; position: relative;
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
}
.course-card-image img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.course-card:hover .course-card-image img { transform: scale(1.06); }
.course-category-pill {
  position: absolute; top: 12px; left: 12px;
  background: rgba(255,255,255,0.92); backdrop-filter: blur(10px);
  border-radius: var(--border-radius-pill);
  padding: 4px 12px; font-size: 0.7rem; font-weight: 700;
  color: var(--primary-color); letter-spacing: 0.05em; text-transform: uppercase;
}
.course-card-body { padding: 20px; flex: 1; display: flex; flex-direction: column; }
.course-card-meta { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; flex-wrap: wrap; }
.course-card h4 { font-size: 1.05rem; color: var(--heading-color); margin-bottom: 8px; line-height: 1.3; }
.course-card p { font-size: var(--font-size-sm); color: var(--text-muted); line-height: 1.6; flex: 1; margin-bottom: 16px; }
.course-card-stats {
  display: flex; gap: 16px;
  padding: 12px 0; border-top: 1px solid var(--border-color); margin-top: auto;
  margin-bottom: 16px;
}
.course-stat { display: flex; align-items: center; gap: 6px; font-size: var(--font-size-xs); color: var(--text-muted); }
.course-stat i { color: var(--accent-color); }
.course-card-footer { display: flex; align-items: center; justify-content: space-between; }
.course-fee { font-size: 1.1rem; font-weight: 700; color: var(--primary-color); }
.course-fee .currency { font-size: 0.8rem; font-weight: 600; }

/* Course filter */
.filter-bar {
  display: flex; flex-wrap: wrap; gap: 10px; align-items: center;
  padding: 20px 0 32px;
}
.filter-btn {
  padding: 8px 20px; border-radius: var(--border-radius-pill);
  border: 1px solid var(--border-color); background: var(--card-background);
  color: var(--text-color); font-size: var(--font-size-sm); font-weight: 500;
  cursor: pointer; transition: var(--transition);
}
.filter-btn.active, .filter-btn:hover {
  background: var(--primary-color); color: #fff; border-color: var(--primary-color);
}
.search-input-wrap { flex: 1; min-width: 220px; position: relative; }
.search-input-wrap i { position: absolute; left: 14px; top: 50%; transform: translateY(-50%); color: var(--text-muted); }
.search-input-wrap input { padding-left: 40px; }

/* ===== INSTRUCTOR CARD ===== */
.instructor-card {
  background: var(--card-background);
  border: 1px solid var(--card-border);
  border-radius: var(--border-radius);
  box-shadow: var(--card-shadow);
  overflow: hidden; transition: var(--transition);
  text-align: center;
}
.instructor-card:hover { box-shadow: var(--card-shadow-hover); transform: translateY(-5px); }
.instructor-card-header { background: var(--section-bg-gradient); padding: 30px; }
.instructor-avatar {
  width: 100px; height: 100px;
  border-radius: 50%; object-fit: cover;
  border: 4px solid rgba(255,255,255,0.3);
  margin: 0 auto 16px;
}
.instructor-avatar-placeholder {
  width: 100px; height: 100px; border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-color), var(--secondary-color));
  display: flex; align-items: center; justify-content: center;
  font-size: 2rem; font-weight: 800; color: #fff;
  margin: 0 auto 16px;
  border: 4px solid rgba(255,255,255,0.3);
}
.instructor-name { color: #fff; font-size: 1.15rem; font-weight: 700; margin-bottom: 4px; }
.instructor-title { color: rgba(255,255,255,0.7); font-size: var(--font-size-sm); }
.instructor-card-body { padding: 20px; }
.instructor-stats { display: flex; gap: 0; margin: 16px -20px 16px; border-top: 1px solid var(--border-color); border-bottom: 1px solid var(--border-color); }
.instructor-stat { flex: 1; padding: 12px; text-align: center; border-right: 1px solid var(--border-color); }
.instructor-stat:last-child { border-right: none; }
.instructor-stat .val { font-size: 1.15rem; font-weight: 700; color: var(--primary-color); font-family: var(--font-heading); }
.instructor-stat .lbl { font-size: 0.65rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.05em; }
.social-links { display: flex; justify-content: center; gap: 8px; margin-top: 14px; }
.social-links a {
  width: 34px; height: 34px; border-radius: 50%;
  background: var(--section-bg-alt);
  border: 1px solid var(--border-color);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-muted); font-size: 0.8rem;
  transition: var(--transition);
}
.social-links a:hover { background: var(--primary-color); color: #fff; border-color: var(--primary-color); }

/* ===== SERVICE CARD ===== */
.service-card {
  background: var(--card-background);
  border: 1px solid var(--card-border);
  border-radius: var(--border-radius);
  box-shadow: var(--card-shadow);
  padding: 32px 28px; transition: var(--transition);
  position: relative; overflow: hidden;
}
.service-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
  transform: scaleX(0); transition: transform var(--transition);
  transform-origin: left;
}
.service-card:hover { box-shadow: var(--card-shadow-hover); transform: translateY(-5px); }
.service-card:hover::before { transform: scaleX(1); }
.service-icon {
  width: 64px; height: 64px;
  background: linear-gradient(135deg, rgba(26,58,92,0.08), rgba(0,181,216,0.08));
  border-radius: var(--border-radius);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.8rem; margin-bottom: 20px;
  border: 1px solid rgba(0,181,216,0.15);
  transition: var(--transition);
}
.service-card:hover .service-icon {
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  border-color: transparent;
}
.service-card:hover .service-icon i { color: #fff; }
.service-icon i { color: var(--primary-color); transition: var(--transition); }
.service-card h4 { font-size: 1.1rem; color: var(--heading-color); margin-bottom: 10px; }
.service-card p { font-size: var(--font-size-sm); color: var(--text-muted); line-height: 1.65; margin-bottom: 20px; }
.service-card .btn { font-size: var(--font-size-sm); }

/* ===== PORTFOLIO CARD ===== */
.portfolio-card {
  border-radius: var(--border-radius);
  overflow: hidden; position: relative;
  box-shadow: var(--card-shadow); transition: var(--transition);
  aspect-ratio: 4/3;
}
.portfolio-card:hover { box-shadow: var(--card-shadow-hover); transform: translateY(-4px); }
.portfolio-card-img {
  width: 100%; height: 100%;
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  display: flex; align-items: center; justify-content: center;
  font-size: 3rem; color: rgba(255,255,255,0.3);
  transition: transform 0.4s ease;
}
.portfolio-card:hover .portfolio-card-img { transform: scale(1.04); }
.portfolio-card-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(10,25,41,0.92), rgba(10,25,41,0.3) 60%, transparent);
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: 24px;
  opacity: 0; transition: var(--transition);
}
.portfolio-card:hover .portfolio-card-overlay { opacity: 1; }
.portfolio-card-info { transform: translateY(10px); transition: transform var(--transition); }
.portfolio-card:hover .portfolio-card-info { transform: translateY(0); }
.portfolio-card-title { color: #fff; font-size: 1.05rem; font-weight: 700; margin-bottom: 6px; }
.portfolio-card-tech { color: rgba(255,255,255,0.65); font-size: var(--font-size-xs); margin-bottom: 12px; }
.portfolio-tag {
  display: inline-block; padding: 2px 10px; border-radius: 999px;
  background: rgba(232,162,26,0.25); color: var(--secondary-light);
  font-size: 0.68rem; font-weight: 700; letter-spacing: 0.05em;
  margin-bottom: 12px;
}

/* ===== TESTIMONIAL CARD ===== */
.testimonial-card {
  background: var(--card-background);
  border: 1px solid var(--card-border);
  border-radius: var(--border-radius);
  box-shadow: var(--card-shadow);
  padding: 28px; transition: var(--transition);
  position: relative;
}
.testimonial-card:hover { box-shadow: var(--card-shadow-hover); transform: translateY(-3px); }
.quote-icon {
  font-size: 2.5rem; color: var(--secondary-color);
  line-height: 1; margin-bottom: 12px; opacity: 0.5;
  font-family: serif;
}
.testimonial-text { font-size: var(--font-size-sm); color: var(--text-color); line-height: 1.8; margin-bottom: 20px; font-style: italic; }
.testimonial-author { display: flex; align-items: center; gap: 12px; }
.testimonial-author-avatar {
  width: 46px; height: 46px; border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem; font-weight: 700; color: #fff;
  flex-shrink: 0;
}
.author-name { font-weight: 700; color: var(--heading-color); font-size: var(--font-size-sm); margin-bottom: 2px; }
.author-role { font-size: 0.78rem; color: var(--text-muted); }
.star-rating { color: var(--secondary-color); font-size: 0.8rem; margin-bottom: 8px; letter-spacing: 2px; }

/* ===== STATS SECTION ===== */
.stats-section { padding: 60px 0; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; }
.stat-item {
  text-align: center; padding: 32px 20px;
  border-right: 1px solid var(--footer-border);
  position: relative;
}
.stat-item:last-child { border-right: none; }
.stat-icon { font-size: 2rem; margin-bottom: 12px; }
.stat-number {
  font-size: 2.5rem; font-weight: 800;
  font-family: var(--font-heading);
  background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
  line-height: 1; margin-bottom: 8px;
}
.stat-label { font-size: var(--font-size-sm); color: var(--footer-text); text-transform: uppercase; letter-spacing: 0.07em; font-weight: 500; }

/* ===== CTA SECTION ===== */
.cta-section {
  background: linear-gradient(135deg, var(--primary-color) 0%, #0a2d4d 50%, var(--primary-dark) 100%);
  padding: 80px 0; text-align: center; position: relative; overflow: hidden;
}
.cta-section::before {
  content: ''; position: absolute; inset: 0;
  background-image: radial-gradient(ellipse at 30% 50%, rgba(0,181,216,0.15) 0%, transparent 60%),
                    radial-gradient(ellipse at 70% 50%, rgba(232,162,26,0.1) 0%, transparent 60%);
}
.cta-section .container { position: relative; z-index: 1; }
.cta-section h2 { color: #fff; margin-bottom: 16px; }
.cta-section p { color: rgba(255,255,255,0.72); font-size: var(--font-size-lg); margin-bottom: 36px; max-width: 560px; margin-left: auto; margin-right: auto; }
.cta-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ===== FOOTER ===== */
.footer {
  background: var(--footer-bg);
  color: var(--footer-text);
  padding: 70px 0 0;
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 50px; }
.footer-brand { margin-bottom: 20px; }
.footer-brand .brand-name { font-family: var(--font-heading); font-size: 1.4rem; font-weight: 800; color: var(--footer-heading); }
.footer-brand .brand-name span { color: var(--secondary-color); }
.footer-tagline { font-size: var(--font-size-sm); color: var(--footer-text); line-height: 1.7; max-width: 280px; margin-bottom: 24px; }
.footer h5 { color: var(--footer-heading); font-size: 0.95rem; font-weight: 700; margin-bottom: 20px; letter-spacing: 0.05em; text-transform: uppercase; }
.footer ul li { margin-bottom: 10px; }
.footer ul li a { color: var(--footer-link); font-size: var(--font-size-sm); transition: var(--transition-fast); }
.footer ul li a:hover { color: var(--footer-link-hover); padding-left: 4px; }
.footer-contact p { font-size: var(--font-size-sm); color: var(--footer-text); margin-bottom: 10px; display: flex; align-items: flex-start; gap: 10px; }
.footer-contact p i { color: var(--accent-color); margin-top: 2px; flex-shrink: 0; }
.footer-social { display: flex; gap: 10px; margin-top: 20px; }
.footer-social a {
  width: 36px; height: 36px; border-radius: 50%;
  background: rgba(255,255,255,0.06); border: 1px solid var(--footer-border);
  display: flex; align-items: center; justify-content: center;
  color: var(--footer-text); font-size: 0.85rem; transition: var(--transition);
}
.footer-social a:hover { background: var(--secondary-color); color: #fff; border-color: var(--secondary-color); }
.footer-affiliations { display: flex; gap: 14px; margin-top: 24px; }
.affiliation-logo {
  background: rgba(255,255,255,0.06); border: 1px solid var(--footer-border);
  border-radius: var(--border-radius-sm); padding: 8px 14px;
  font-size: 0.65rem; font-weight: 700; color: var(--footer-text);
  letter-spacing: 0.08em; text-transform: uppercase; text-align: center;
}
.footer-bottom {
  border-top: 1px solid var(--footer-border);
  padding: 20px 0;
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px;
}
.footer-bottom p { font-size: var(--font-size-xs); color: var(--footer-text); margin: 0; }
.footer-bottom a { color: var(--secondary-color); }