/* ============================================================
   BYTECRACK TRAINING INSTITUTE — CLASSIC FORMAL STYLESHEET
   Design by Ciera Tech Services
============================================================ */

/* ---------- CSS VARIABLES ---------- */
:root {
  --navy:        #1a3560;
  --navy-mid:    #24478a;
  --navy-light:  #2e57a8;
  --sky:         #4a72b8;
  --white:       #ffffff;
  --off-white:   #f5f6f8;
  --light-gray:  #eaecf2;
  --text-main:   #1c2640;
  --text-muted:  #555e75;
  --border:      #d0d6e8;
  --shadow:      0 2px 12px rgba(26,53,96,.08);
  --shadow-lg:   0 6px 24px rgba(26,53,96,.12);
  --radius:      6px;
  --radius-sm:   4px;
  --transition:  .25s ease;
  --font-head:   Arial, Verdana, sans-serif;
  --font-body:   'Calibri', 'Trebuchet MS', sans-serif;
}

/* ---------- RESET & BASE ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-body);
  color: var(--text-main);
  background: var(--white);
  line-height: 1.7;
  overflow-x: hidden;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

.container { width: 92%; max-width: 1140px; margin: 0 auto; }
.section { padding: 72px 0; }

.section-header { text-align: center; margin-bottom: 48px; }
.section-header h2 {
  font-family: var(--font-head);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  color: var(--navy);
  margin: 6px 0 10px;
}
.section-header p { color: var(--text-muted); font-size: 1rem; max-width: 500px; margin: 0 auto; }
.section-header::after {
  content: '';
  display: block;
  width: 44px; height: 3px;
  background: var(--navy-light);
  margin: 14px auto 0;
  border-radius: 2px;
}
.section-tag {
  display: inline-block;
  background: var(--off-white);
  color: var(--navy-light);
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 3px;
  border: 1px solid var(--border);
  margin-bottom: 6px;
}
.accent { color: var(--navy-light); }

/* ---------- BUTTONS ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: .95rem;
  border-radius: var(--radius);
  padding: 11px 24px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}
.btn-primary { background: var(--navy); color: var(--white); border-color: var(--navy); }
.btn-primary:hover { background: var(--navy-mid); border-color: var(--navy-mid); }
.btn-outline { background: transparent; color: var(--white); border-color: rgba(255,255,255,.7); }
.btn-outline:hover { background: rgba(255,255,255,.1); border-color: var(--white); }
.btn-nav { background: var(--white); color: var(--navy); font-size: .85rem; padding: 8px 18px; border-color: var(--white); border-radius: var(--radius-sm); }
.btn-nav:hover { background: var(--off-white); }
.btn-course {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--white);
  color: var(--navy);
  border: 1.5px solid var(--navy);
  font-size: .88rem;
  padding: 8px 18px;
  border-radius: var(--radius);
  margin-top: 14px;
  font-weight: 600;
  font-family: var(--font-body);
  cursor: pointer;
  transition: var(--transition);
}
.btn-course:hover { background: var(--navy); color: var(--white); }
.btn-full { width: 100%; justify-content: center; font-size: 1rem; padding: 13px; }

/* ---------- NAVBAR ---------- */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: var(--navy);
  border-bottom: 2px solid var(--navy-mid);
  padding: 0;
  transition: box-shadow var(--transition);
}
.navbar.scrolled { box-shadow: 0 3px 16px rgba(0,0,0,.2); }
.nav-container {
  width: 92%; max-width: 1140px; margin: 0 auto;
  display: flex; align-items: center; height: 62px; gap: 20px;
}

.logo-img {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid rgba(255, 255, 255, 0.3);
  display: block;
}
.nav-logo {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.22rem;
  color: var(--white);
  display: flex; align-items: center; gap: 8px;
  margin-right: auto;
}
.nav-logo .accent { color: #a8c4ff; }
.logo-icon { color: #a8c4ff; font-size: .95rem; }
.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links a {
  color: rgba(255,255,255,.8);
  font-size: .88rem;
  font-family: var(--font-body);
  padding: 6px 11px;
  border-radius: var(--radius-sm);
  transition: background var(--transition), color var(--transition);
}
.nav-links a:hover, .nav-links a.active {
  background: rgba(255,255,255,.12);
  color: var(--white);
}
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none; border: none; cursor: pointer; padding: 4px; margin-left: 8px;
}
.hamburger span { display: block; width: 22px; height: 2px; background: var(--white); border-radius: 2px; transition: var(--transition); }
.hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

/* ---------- HERO ---------- */
.hero {
  min-height: 92vh;
  background: linear-gradient(150deg, #1a3560 0%, #24478a 55%, #2e57a8 100%);
  position: relative;
  display: flex;
  align-items: center;
  padding: 100px 0 60px;
}
.hero-bg-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}
.hero-orb { display: none; }
.floating-badge { display: none; }
.hero-content {
  position: relative; z-index: 2;
  flex: 1;
  padding: 0 clamp(20px, 6vw, 100px);
  max-width: 620px;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 6px;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.2);
  color: #c8d8ff;
  font-size: .78rem; font-weight: 600;
  letter-spacing: .08em; text-transform: uppercase;
  padding: 5px 13px; border-radius: 3px;
  margin-bottom: 18px;
  font-family: var(--font-body);
}
.hero-title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  line-height: 1.15;
  color: var(--white);
  margin-bottom: 12px;
}
.hero-title .line { display: block; }
.hero-title .accent { color: #a8c4ff; }
.hero-tagline {
  font-family: var(--font-head);
  font-size: clamp(.95rem, 1.8vw, 1.12rem);
  color: #c8d8ff;
  font-weight: 400;
  font-style: italic;
  margin-bottom: 16px;
}
.hero-desc {
  color: rgba(255,255,255,.72);
  font-size: 1rem;
  max-width: 500px;
  margin-bottom: 30px;
  line-height: 1.8;
}
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 40px; }
.hero-stats {
  display: flex; align-items: center; gap: 28px; flex-wrap: wrap;
  padding-top: 26px;
  border-top: 1px solid rgba(255,255,255,.14);
}
.stat { display: flex; flex-direction: column; }
.stat-num { font-family: var(--font-head); font-size: 1.6rem; font-weight: 700; color: var(--white); line-height: 1; }
.stat-label { font-size: .8rem; color: rgba(255,255,255,.5); margin-top: 3px; }
.stat-divider { width: 1px; height: 34px; background: rgba(255,255,255,.16); }

/* Hero Visual */
.hero-visual {
  position: relative; z-index: 2;
  flex: 0 0 390px;
  padding-right: clamp(20px, 4vw, 80px);
  display: flex; align-items: center; justify-content: center;
}
.code-window {
  background: rgba(10,20,50,.72);
  border: 1px solid rgba(255,255,255,.14);
  border-radius: var(--radius);
  overflow: hidden; width: 330px;
  box-shadow: 0 8px 28px rgba(0,0,0,.28);
}
.window-bar {
  background: rgba(255,255,255,.06);
  padding: 9px 13px;
  display: flex; align-items: center; gap: 6px;
  border-bottom: 1px solid rgba(255,255,255,.07);
}
.dot { width: 9px; height: 9px; border-radius: 50%; }
.dot.red { background: #ff5f57; }
.dot.yellow { background: #febc2e; }
.dot.green { background: #28c840; }
.window-title { margin-left: auto; font-size: .7rem; color: rgba(255,255,255,.3); font-family: monospace; }
.code-body { padding: 16px 18px; font-family: 'Courier New', monospace; font-size: .78rem; line-height: 1.9; }
.code-line { color: rgba(255,255,255,.62); }
.code-line.indent { padding-left: 18px; }
.code-line.indent2 { padding-left: 36px; }
.kw { color: #79b8ff; }
.fn { color: #b3d9ff; }
.str { color: #9ecbff; }
.cmt { color: rgba(255,255,255,.26); font-style: italic; }
.cursor { display: inline-block; color: #a8c4ff; animation: blink 1s step-end infinite; }
@keyframes blink { 0%,100% { opacity:1 } 50% { opacity:0 } }

.hero-scroll-hint {
  position: absolute; bottom: 20px; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 5px;
  color: rgba(255,255,255,.28);
  font-size: .72rem; letter-spacing: .1em; text-transform: uppercase;
  font-family: var(--font-body);
  animation: scrollBounce 2s ease-in-out infinite; z-index: 2;
}
@keyframes scrollBounce {
  0%,100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(5px); }
}

/* ---------- HIGHLIGHTS ---------- */
.highlights {
  background: var(--off-white);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 34px 0;
}
.highlights-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden;
}
.highlight-card {
  background: var(--white); padding: 24px 18px; text-align: center;
  border-right: 1px solid var(--border);
  transition: background var(--transition);
}
.highlight-card:last-child { border-right: none; }
.highlight-card:hover { background: #eef1f9; }
.highlight-card i { font-size: 1.4rem; color: var(--navy-light); margin-bottom: 9px; display: block; }
.highlight-card h4 { font-family: var(--font-head); font-size: .88rem; font-weight: 700; color: var(--navy); margin-bottom: 4px; }
.highlight-card p { font-size: .8rem; color: var(--text-muted); }

/* ---------- ABOUT ---------- */
.about { background: var(--white); }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: start; }
.about-lead { font-size: 1.03rem; font-weight: 600; color: var(--navy); margin-bottom: 14px; line-height: 1.75; }
.about-text p { color: var(--text-muted); margin-bottom: 18px; line-height: 1.8; font-size: .97rem; }
.about-points { display: flex; flex-direction: column; gap: 10px; }
.about-point { display: flex; align-items: flex-start; gap: 9px; font-size: .93rem; color: var(--text-muted); }
.about-point i { color: var(--navy-light); margin-top: 4px; flex-shrink: 0; }
.about-cards { display: flex; flex-direction: column; gap: 14px; }
.vm-card {
  background: var(--off-white);
  border: 1px solid var(--border);
  border-left: 4px solid var(--navy-light);
  border-radius: var(--radius);
  padding: 20px 22px;
  transition: box-shadow var(--transition);
}
.vm-card:hover { box-shadow: var(--shadow); }
.accent-card { border-left-color: var(--sky); }
.vm-icon {
  width: 36px; height: 36px;
  background: var(--white); border: 1px solid var(--border); border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: .95rem; color: var(--navy-light); margin-bottom: 9px;
}
.vm-card h3 { font-family: var(--font-head); font-size: .95rem; font-weight: 700; color: var(--navy); margin-bottom: 6px; }
.vm-card p { font-size: .88rem; color: var(--text-muted); line-height: 1.7; }

/* ---------- COURSES ---------- */
.courses { background: var(--off-white); }
.courses-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.course-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-top: 3px solid var(--navy-light);
  border-radius: var(--radius);
  padding: 22px 20px;
  position: relative;
  transition: box-shadow var(--transition), transform var(--transition);
  display: flex; flex-direction: column;
}
.course-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-3px); }
.featured-card { border-top-color: var(--navy); box-shadow: var(--shadow); }
.featured-ribbon {
  position: absolute; top: 13px; right: 0;
  background: var(--navy); color: var(--white);
  font-size: .68rem; font-weight: 700;
  letter-spacing: .06em; text-transform: uppercase;
  padding: 3px 10px; border-radius: 3px 0 0 3px;
  font-family: var(--font-body);
}
.course-icon {
  width: 42px; height: 42px;
  background: var(--off-white); border: 1px solid var(--border); border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.15rem; color: var(--navy-light); margin-bottom: 11px;
}
.course-tag { font-size: .7rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--sky); margin-bottom: 4px; font-family: var(--font-body); }
.course-card h3 { font-family: var(--font-head); font-size: .95rem; font-weight: 700; color: var(--navy); margin-bottom: 7px; }
.course-card > p { font-size: .88rem; color: var(--text-muted); line-height: 1.7; flex: 1; }
.course-meta {
  display: flex; justify-content: space-between; align-items: center;
  margin-top: 13px; padding-top: 11px;
  border-top: 1px solid var(--light-gray);
  font-size: .82rem; color: var(--text-muted);
}
.course-fee { font-family: var(--font-head); font-size: .95rem; font-weight: 700; color: var(--navy); }

/* ---------- FEATURES ---------- */
.features { background: var(--navy); }
.features .section-header h2 { color: var(--white); }
.features .section-header p { color: rgba(255,255,255,.52); }
.features .section-tag { background: rgba(255,255,255,.08); color: #a8c4ff; border-color: rgba(255,255,255,.12); }
.features .section-header::after { background: #a8c4ff; }
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.feature-item {
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.09);
  border-radius: var(--radius);
  padding: 24px 20px;
  transition: background var(--transition);
}
.feature-item:hover { background: rgba(255,255,255,.09); }
.feature-icon {
  width: 42px; height: 42px;
  background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.1); border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem; color: #a8c4ff; margin-bottom: 13px;
}
.feature-item h4 { font-family: var(--font-head); font-size: .93rem; font-weight: 700; color: var(--white); margin-bottom: 6px; }
.feature-item p { font-size: .88rem; color: rgba(255,255,255,.48); line-height: 1.7; }

/* ---------- TRAINERS ---------- */
.trainers { background: var(--white); }
.trainers-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.trainer-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 20px; text-align: center;
  transition: box-shadow var(--transition);
}
.trainer-card:hover { box-shadow: var(--shadow-lg); }
.trainer-avatar { margin-bottom: 14px; }
.avatar-circle {
  width: 62px; height: 62px;
  background: var(--navy); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-head); font-size: 1rem; font-weight: 700; color: var(--white);
  margin: 0 auto; border: 3px solid var(--light-gray);
}
.avatar-circle.hy { background: #4a3080; }
.avatar-circle.nk { background: #0a6090; }
.trainer-info h3 { font-family: var(--font-head); font-size: .97rem; font-weight: 700; color: var(--navy); margin-bottom: 3px; }
.trainer-role { display: block; font-size: .78rem; font-weight: 600; color: var(--sky); margin-bottom: 11px; font-family: var(--font-body); }
.trainer-info p { font-size: .87rem; color: var(--text-muted); line-height: 1.75; margin-bottom: 12px; text-align: left; }
.trainer-skills { display: flex; flex-wrap: wrap; gap: 5px; justify-content: center; }
.trainer-skills span {
  background: var(--off-white); color: var(--navy);
  font-size: .72rem; font-weight: 600;
  padding: 3px 8px; border-radius: 3px;
  border: 1px solid var(--border); font-family: var(--font-body);
}

/* ---------- TESTIMONIALS ---------- */
.testimonials { background: var(--off-white); }
.testimonials-slider { position: relative; min-height: 210px; margin-bottom: 24px; }
.testimonial-card {
  background: var(--white); border: 1px solid var(--border);
  border-left: 4px solid var(--navy-light);
  border-radius: var(--radius);
  padding: 28px 34px; max-width: 700px; margin: 0 auto;
  display: none; animation: fadeInSlide .3s ease;
}
.testimonial-card.active { display: block; }
@keyframes fadeInSlide { from { opacity:0; transform:translateX(12px); } to { opacity:1; transform:translateX(0); } }
.quote-icon { font-size: 1.5rem; color: var(--navy-light); opacity: .25; margin-bottom: 11px; }
.testimonial-card > p { font-size: .98rem; color: var(--text-main); line-height: 1.8; margin-bottom: 18px; font-style: italic; }
.testimonial-author { display: flex; align-items: center; gap: 11px; }
.author-avatar {
  width: 40px; height: 40px; background: var(--navy); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-head); font-size: .76rem; font-weight: 700; color: var(--white); flex-shrink: 0;
}
.testimonial-author strong { display: block; font-weight: 700; color: var(--navy); font-size: .92rem; font-family: var(--font-head); }
.testimonial-author span { font-size: .8rem; color: var(--text-muted); }
.testimonial-controls { display: flex; justify-content: center; align-items: center; gap: 12px; }
.testimonial-controls button {
  width: 32px; height: 32px; border-radius: var(--radius-sm);
  border: 1px solid var(--border); background: var(--white); color: var(--navy);
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  font-size: .8rem; transition: var(--transition);
}
.testimonial-controls button:hover { background: var(--navy); color: var(--white); border-color: var(--navy); }
.testimonial-dots { display: flex; gap: 6px; }
.dot-btn {
  width: 7px; height: 7px; border-radius: 50%; border: none;
  background: var(--border); cursor: pointer;
  transition: background var(--transition), transform var(--transition); padding: 0;
}
.dot-btn.active { background: var(--navy-light); transform: scale(1.3); }

/* ---------- CONTACT ---------- */
.contact { background: var(--white); }
.contact-grid { display: grid; grid-template-columns: 1fr 1.4fr; gap: 50px; align-items: start; }
.contact-info h3 { font-family: var(--font-head); font-size: 1.18rem; font-weight: 700; color: var(--navy); margin-bottom: 8px; }
.contact-intro { color: var(--text-muted); font-size: .93rem; margin-bottom: 22px; line-height: 1.75; }
.contact-detail {
  display: flex; align-items: flex-start; gap: 11px;
  margin-bottom: 14px; padding-bottom: 14px;
  border-bottom: 1px solid var(--light-gray);
}
.contact-detail:last-of-type { border-bottom: none; }
.contact-icon {
  width: 34px; height: 34px;
  background: var(--off-white); border: 1px solid var(--border); border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  color: var(--navy-light); font-size: .88rem; flex-shrink: 0;
}
.contact-detail strong { display: block; font-size: .74rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: .07em; margin-bottom: 2px; font-family: var(--font-body); }
.contact-detail span, .contact-detail a { font-size: .92rem; color: var(--text-main); font-weight: 500; }
.contact-detail a:hover { color: var(--navy-light); text-decoration: underline; }
.contact-social { display: flex; gap: 8px; margin-top: 18px; }
.social-btn {
  width: 38px; height: 38px; border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: .95rem; color: var(--white);
  transition: opacity var(--transition), transform var(--transition);
}
.social-btn:hover { opacity: .82; transform: translateY(-2px); }
.social-btn.instagram { background: #c13584; }
.social-btn.whatsapp { background: #25d366; }
.social-btn.website { background: var(--navy); }
.contact-form {
  background: var(--off-white); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 28px 26px;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-group { margin-bottom: 15px; }
.form-group label { display: block; font-size: .82rem; font-weight: 600; color: var(--navy); margin-bottom: 5px; font-family: var(--font-body); }
.form-group label span { color: #c0392b; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; border: 1px solid var(--border); border-radius: var(--radius-sm);
  padding: 10px 12px; font-family: var(--font-body); font-size: .93rem;
  color: var(--text-main); background: var(--white);
  transition: border-color var(--transition), box-shadow var(--transition); outline: none;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  border-color: var(--navy-light);
  box-shadow: 0 0 0 3px rgba(46,87,168,.08);
}
.form-group textarea { resize: vertical; }
.form-success {
  display: none; margin-top: 13px;
  padding: 10px 13px;
  background: #eaf5ee; border: 1px solid #a3d9b1; border-radius: var(--radius-sm);
  color: #1e6b3a; font-size: .9rem; font-weight: 500; gap: 7px; align-items: center;
}
.form-success.show { display: flex; }

/* ---------- FOOTER ---------- */
.footer { background: var(--navy); padding: 50px 0 0; border-top: 3px solid var(--navy-mid); }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 34px; margin-bottom: 36px; }
.footer-logo {
  font-family: var(--font-head); font-weight: 700; font-size: 1.18rem; color: var(--white);
  display: inline-flex; align-items: center; gap: 7px; margin-bottom: 12px;
}
.footer-brand p { font-size: .87rem; color: rgba(255,255,255,.42); line-height: 1.7; max-width: 245px; margin-bottom: 16px; }
.footer-social { display: flex; gap: 7px; }
.footer-social a {
  width: 32px; height: 32px; border-radius: var(--radius-sm);
  background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.1);
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,.55); font-size: .85rem; transition: var(--transition);
}
.footer-social a:hover { background: rgba(255,255,255,.16); color: var(--white); }
.footer-col h4 {
  font-family: var(--font-head); font-size: .8rem; font-weight: 700;
  color: rgba(255,255,255,.88); text-transform: uppercase; letter-spacing: .1em;
  margin-bottom: 14px; padding-bottom: 7px;
  border-bottom: 1px solid rgba(255,255,255,.09);
}
.footer-col ul { display: flex; flex-direction: column; gap: 8px; }
.footer-col ul li a { font-size: .87rem; color: rgba(255,255,255,.42); transition: color var(--transition); font-family: var(--font-body); }
.footer-col ul li a:hover { color: rgba(255,255,255,.82); }
.footer-contact li { display: flex; align-items: flex-start; gap: 8px; font-size: .86rem; color: rgba(255,255,255,.42); font-family: var(--font-body); }
.footer-contact li i { color: #a8c4ff; margin-top: 3px; flex-shrink: 0; font-size: .82rem; }
.footer-contact li a { color: rgba(255,255,255,.42); }
.footer-contact li a:hover { color: rgba(255,255,255,.8); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.07); padding: 17px 0;
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 8px;
}
.footer-bottom p { font-size: .82rem; color: rgba(255,255,255,.32); font-family: var(--font-body); }
.footer-credit a { color: #a8c4ff; }
.footer-credit a:hover { color: var(--white); }

/* ---------- BACK TO TOP ---------- */
.back-to-top {
  position: fixed; bottom: 22px; right: 22px;
  width: 38px; height: 38px;
  background: var(--navy); color: var(--white);
  border: 1px solid rgba(255,255,255,.2); border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: .82rem; cursor: pointer;
  box-shadow: var(--shadow); opacity: 0; transform: translateY(8px);
  transition: opacity var(--transition), transform var(--transition), background var(--transition);
  z-index: 900;
}
.back-to-top.visible { opacity: 1; transform: translateY(0); }
.back-to-top:hover { background: var(--navy-mid); }

/* ---------- RESPONSIVE ---------- */
@media (max-width: 1024px) {
  .hero { flex-direction: column; padding: 90px 0 50px; text-align: center; }
  .hero-content { max-width: 100%; padding: 0 5vw; }
  .hero-desc { margin: 0 auto 28px; }
  .hero-cta { justify-content: center; }
  .hero-stats { justify-content: center; }
  .hero-visual { flex: none; padding: 0 5vw 16px; }
  .about-grid { grid-template-columns: 1fr; gap: 34px; }
  .courses-grid { grid-template-columns: repeat(2, 1fr); }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .trainers-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .nav-links, .btn-nav { display: none; }
  .hamburger { display: flex; }
  .nav-links.open {
    display: flex; flex-direction: column;
    position: fixed; top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(26,53,96,.97);
    align-items: center; justify-content: center;
    gap: 26px; z-index: 999;
  }
  .nav-links.open a { font-size: 1.18rem; }
  .highlights-grid { grid-template-columns: repeat(2, 1fr); }
  .courses-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .trainers-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; gap: 34px; }
  .footer-grid { grid-template-columns: 1fr; gap: 26px; }
  .form-row { grid-template-columns: 1fr; }
  .code-window { width: 100%; max-width: 310px; }
  .testimonial-card { padding: 20px 16px; }
  .footer-bottom { justify-content: center; text-align: center; }
}
@media (max-width: 480px) {
  .highlights-grid { grid-template-columns: 1fr; }
  .highlight-card { border-right: none; border-bottom: 1px solid var(--border); }
  .hero-stats { flex-direction: column; gap: 12px; }
  .stat-divider { display: none; }
  .contact-form { padding: 18px 14px; }
}