/* ================================================================
   NEx-gEN School of Computers — Main Stylesheet
   Original design, no third-party template used.
   ================================================================ */

/* ── CUSTOM PROPERTIES ─────────────────────────────────────────── */
:root {
  --clr-primary:    #1a6eb5;   /* NEx-gEN light blue (matches logo) */
  --clr-primary-dk: #0f4e8a;
  --clr-accent:     #e31e24;   /* NEx-gEN vibrant red */
  --clr-teal:       #006b82;   /* teal from brochure  */
  --clr-gold:       #c8a84b;   /* gold / ISO badge    */
  --clr-text:       #222222;
  --clr-text-light: #555555;
  --clr-bg:         #f5f7fb;
  --clr-white:      #ffffff;
  --clr-border:     #e0e4ef;

  --font-main: 'Poppins', sans-serif;
  --font-heading: 'Poppins', sans-serif;

  --radius:   8px;
  --radius-lg: 16px;
  --shadow:   0 4px 20px rgba(0,0,0,0.09);
  --shadow-md: 0 8px 32px rgba(0,0,0,0.13);
  --transition: 0.28s ease;

  --container: 1200px;
  --navbar-h: 72px;
}

/* ── RESET & BASE ───────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-main);
  color: var(--clr-text);
  background: var(--clr-white);
  line-height: 1.7;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a  { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ── UTILITY ────────────────────────────────────────────────────── */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: 80px 0; }
.section--bg { background: var(--clr-bg); }

.section-header {
  text-align: center;
  margin-bottom: 52px;
}
.section-header p { color: var(--clr-text-light); max-width: 560px; margin: 10px auto 0; }

.section-tag {
  display: inline-block;
  background: rgba(0,48,135,.08);
  color: var(--clr-primary);
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: 4px 14px;
  border-radius: 20px;
  margin-bottom: 10px;
}

.section-title {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  line-height: 1.25;
  color: var(--clr-text);
}
.section-title span { color: var(--clr-primary); }

/* ── BUTTONS ────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: .95rem;
  transition: var(--transition);
  white-space: nowrap;
}
.btn--primary {
  background: var(--clr-accent);
  color: var(--clr-white);
  box-shadow: 0 4px 14px rgba(204,0,0,.30);
}
.btn--primary:hover { background: #a80000; transform: translateY(-2px); }

.btn--outline {
  border: 2px solid var(--clr-white);
  color: var(--clr-white);
}
.btn--outline:hover { background: var(--clr-white); color: var(--clr-primary); }

.btn--wa {
  background: #25d366;
  color: #fff;
  border: 2px solid #25d366;
}
.btn--wa:hover { background: #1da851; border-color: #1da851; }

.btn--sm { padding: 8px 20px; font-size: .85rem; }
.btn--full { width: 100%; justify-content: center; }

/* ── TOP BAR ────────────────────────────────────────────────────── */
.top-bar {
  background: var(--clr-primary-dk);
  color: rgba(255,255,255,.85);
  font-size: .82rem;
  padding: 7px 0;
}
.top-bar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.top-bar__left { display: flex; gap: 20px; flex-wrap: wrap; }
.top-bar__left span { display: flex; align-items: center; gap: 6px; }
.top-bar__right { display: flex; gap: 14px; }
.top-bar__right a {
  width: 26px; height: 26px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,.3);
  display: flex; align-items: center; justify-content: center;
  font-size: .8rem;
  transition: var(--transition);
}
.top-bar__right a:hover { background: var(--clr-accent); border-color: var(--clr-accent); }

/* ── NAVBAR ─────────────────────────────────────────────────────── */
.navbar {
  position: sticky;
  top: 0;
  z-index: 999;
  background: var(--clr-white);
  box-shadow: 0 2px 12px rgba(0,0,0,.1);
  border-bottom: 3px solid var(--clr-accent);
  height: var(--navbar-h);
  transition: var(--transition);
}
.navbar.scrolled { box-shadow: 0 4px 24px rgba(0,0,0,.16); }

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

/* Logo */
.navbar__logo { display: flex; align-items: center; }
.navbar__logo img { height: 56px; width: auto; object-fit: contain; }

.logo-text-fallback {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}
.logo-text-fallback--footer { color: var(--clr-white); }
.logo-nex { font-size: 1.6rem; font-weight: 800; color: var(--clr-accent); letter-spacing: -.02em; }
.logo-gen { font-size: 1.6rem; font-weight: 800; color: var(--clr-primary); letter-spacing: -.02em; }
.logo-text-fallback small { font-size: .7rem; color: var(--clr-text-light); font-weight: 500; }

/* Nav links */
.navbar__nav ul {
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-link {
  padding: 8px 14px;
  border-radius: var(--radius);
  font-size: .9rem;
  font-weight: 500;
  color: var(--clr-text);
  transition: var(--transition);
}
.nav-link:hover, .nav-link.active { color: var(--clr-primary); background: rgba(0,48,135,.06); }

/* Hamburger */
.navbar__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
}
.navbar__hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--clr-text);
  border-radius: 2px;
  transition: var(--transition);
}

/* ── HERO ───────────────────────────────────────────────────────── */
.hero {
  position: relative;
  overflow: hidden;
  height: calc(100vh - var(--navbar-h) - 36px);
  min-height: 480px;
  max-height: 760px;
}

.hero__slider { width: 100%; height: 100%; }

.hero__slide {
  position: absolute; inset: 0;
  background-size: cover;
  background-position: center;
  background-color: var(--clr-primary-dk); /* fallback when no image */
  opacity: 0;
  transition: opacity .7s ease;
}
.hero__slide--active { opacity: 1; z-index: 1; }

.hero__overlay {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(0,31,92,.82) 0%, rgba(0,48,135,.55) 100%);
}

.hero__content {
  position: relative;
  z-index: 2;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  color: var(--clr-white);
  max-width: 640px;
  padding-top: 40px;
}

.hero__badge {
  display: inline-block;
  background: var(--clr-gold);
  color: #1a1000;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: 5px 14px;
  border-radius: 20px;
  margin-bottom: 18px;
}

.hero__content h1 {
  font-size: clamp(2rem, 5vw, 3.4rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 16px;
}
.hero__content h1 span { color: var(--clr-gold); }
.hero__content p  { font-size: 1rem; opacity: .88; margin-bottom: 28px; }

.hero__btns { display: flex; gap: 14px; flex-wrap: wrap; }

/* Arrows */
.hero__arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: rgba(255,255,255,.18);
  color: var(--clr-white);
  font-size: 1rem;
  display: flex; align-items: center; justify-content: center;
  transition: var(--transition);
}
.hero__arrow:hover { background: var(--clr-accent); }
.hero__arrow--prev { left: 20px; }
.hero__arrow--next { right: 20px; }

/* Dots */
.hero__dots {
  position: absolute;
  bottom: 22px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  display: flex;
  gap: 8px;
}
.hero__dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: rgba(255,255,255,.45);
  cursor: pointer;
  transition: var(--transition);
}
.hero__dot--active { background: var(--clr-white); transform: scale(1.25); }

/* ── STATS ──────────────────────────────────────────────────────── */
.stats {
  background: linear-gradient(135deg, var(--clr-primary-dk) 0%, var(--clr-teal) 100%);
  color: var(--clr-white);
  padding: 36px 0;
}
.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}
.stat-card {
  text-align: center;
  padding: 20px 12px;
  border-right: 1px solid rgba(255,255,255,.15);
}
.stat-card:last-child { border-right: none; }
.stat-card i { font-size: 2rem; color: var(--clr-gold); margin-bottom: 10px; display: block; }
.stat-number { font-size: 2.4rem; font-weight: 800; color: var(--clr-white); }
.stat-suffix { font-size: 1.6rem; font-weight: 800; color: var(--clr-gold); }
.stat-card p  { font-size: .85rem; opacity: .82; margin-top: 4px; }

/* ── ABOUT ──────────────────────────────────────────────────────── */
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.about__image-wrap {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: visible;
}
.about__image-wrap img {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  object-fit: cover;
  height: 380px;
}
.about__iso-badge {
  position: absolute;
  bottom: -20px; right: -20px;
  width: 90px; height: 90px;
  background: var(--clr-white);
  border-radius: 50%;
  box-shadow: var(--shadow-md);
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}
.about__iso-badge img { width: 76px; height: 76px; object-fit: contain; }
.iso-text-badge {
  font-size: .65rem; font-weight: 700;
  text-align: center; color: var(--clr-gold);
  line-height: 1.3;
}

.about__content .section-tag { margin-bottom: 8px; }
.about__content .section-title { margin-bottom: 14px; }
.about__content p { color: var(--clr-text-light); margin-bottom: 12px; }

.about__highlights {
  margin: 20px 0 28px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.about__highlights li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: .95rem;
}
.about__highlights li i { color: #1a7a4a; font-size: 1rem; flex-shrink: 0; }

/* ── COURSES ────────────────────────────────────────────────────── */
.courses__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 24px;
}
.course-card {
  background: var(--clr-white);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.course-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
  background: var(--clr-primary);
  transform: scaleX(0);
  transition: var(--transition);
  transform-origin: left;
}
.course-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.course-card:hover::after { transform: scaleX(1); }

.course-card__icon {
  width: 56px; height: 56px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px;
  font-size: 1.6rem;
}
.course-card h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 8px; }
.course-card p  { font-size: .88rem; color: var(--clr-text-light); margin-bottom: 16px; }
.course-card__link {
  font-size: .85rem; font-weight: 600;
  color: var(--clr-primary);
  display: inline-flex; align-items: center; gap: 6px;
  transition: var(--transition);
}
.course-card__link:hover { color: var(--clr-accent); gap: 10px; }

/* ── INTEREST FILTER BAR ────────────────────────────────────────── */
.int-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-bottom: 40px;
}
.int-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: 40px;
  border: 2px solid #e0e4ef;
  background: #fff;
  color: var(--clr-text-light);
  font-family: inherit;
  font-size: .88rem;
  font-weight: 600;
  cursor: pointer;
  transition: all .25s ease;
  white-space: nowrap;
}
.int-btn i { font-size: .9rem; }
.int-btn:hover {
  border-color: var(--clr-primary);
  color: var(--clr-primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(26,110,181,.15);
}
.int-btn.active {
  background: var(--clr-primary);
  border-color: var(--clr-primary);
  color: #fff;
  box-shadow: 0 4px 16px rgba(26,110,181,.35);
}

/* ── COURSE CARDS GRID ───────────────────────────────────────────── */
.cg {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}
.cc {
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0,0,0,.08);
  transition: transform .3s ease, box-shadow .3s ease;
  background: #fff;
  display: flex;
  flex-direction: column;
}
.cc:hover {
  transform: translateY(-7px);
  box-shadow: 0 14px 40px rgba(0,0,0,.14);
}
.cc.hidden { display: none; }

/* Colored header area */
.cc__hd {
  background: var(--hc, #1a6eb5);
  position: relative;
  padding: 26px 20px 22px;
  color: #fff;
  text-align: center;
  overflow: hidden;
}
/* Decorative shine overlay */
.cc__hd::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,.15) 0%, rgba(0,0,0,.18) 100%);
  pointer-events: none;
}
/* Decorative circle blob top-right */
.cc__hd::after {
  content: '';
  position: absolute;
  top: -30px; right: -30px;
  width: 100px; height: 100px;
  border-radius: 50%;
  background: rgba(255,255,255,.08);
  pointer-events: none;
}
.cc__hd > * { position: relative; z-index: 1; }

.cc__badge {
  position: absolute;
  top: 12px; left: 12px;
  z-index: 2;
  font-size: .67rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 20px;
  background: rgba(255,255,255,.25);
  backdrop-filter: blur(4px);
  white-space: nowrap;
  letter-spacing: .03em;
}
.cc__ico {
  width: 60px; height: 60px;
  background: rgba(255,255,255,.2);
  border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 12px;
  font-size: 1.65rem;
}
.cc__nm {
  font-size: 1.3rem;
  font-weight: 800;
  margin-bottom: 4px;
  letter-spacing: -.02em;
}
.cc__fn {
  font-size: .75rem;
  opacity: .82;
  margin-bottom: 14px;
  line-height: 1.45;
}
.cc__pills {
  display: flex;
  gap: 8px;
  justify-content: center;
  flex-wrap: wrap;
}
.cc__pills span {
  background: rgba(255,255,255,.22);
  border-radius: 20px;
  padding: 4px 11px;
  font-size: .72rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

/* White body area */
.cc__bd {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  flex: 1;
}
.cc__bd ul {
  list-style: none;
  margin: 0; padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.cc__bd ul li {
  font-size: .84rem;
  color: var(--clr-text-light);
  display: flex;
  align-items: center;
  gap: 9px;
}
.cc__bd ul li::before {
  content: '';
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--hc, var(--clr-primary));
  flex-shrink: 0;
}
.cc__out {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: #f5f8ff;
  border: 1.5px solid #dbeafe;
  color: var(--clr-primary);
  font-size: .78rem;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: 20px;
  align-self: flex-start;
  margin-top: auto;
}
.cc__cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--clr-accent), #a3151a);
  color: #fff;
  font-size: .88rem;
  font-weight: 700;
  padding: 11px 20px;
  border-radius: 10px;
  transition: opacity .2s, transform .2s;
  box-shadow: 0 3px 10px rgba(227,30,36,.3);
}
.cc__cta:hover { opacity: .9; transform: translateY(-1px); }

/* ── DEMO BUTTON on card ─────────────────────────────────────────── */
.cc__demo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  width: 100%;
  padding: 9px 16px;
  border-radius: 10px;
  border: 2px solid var(--hc, var(--clr-primary));
  background: transparent;
  color: var(--hc, var(--clr-primary));
  font-family: inherit;
  font-size: .84rem;
  font-weight: 700;
  cursor: pointer;
  transition: background .2s, color .2s, transform .15s;
  margin-bottom: 4px;
}
.cc__demo:hover {
  background: var(--hc, var(--clr-primary));
  color: #fff;
  transform: translateY(-1px);
}
.cc__demo i { font-size: .9rem; }

/* ── DEMO MODAL ──────────────────────────────────────────────────── */
.demo-modal {
  position: fixed;
  inset: 0;
  z-index: 99998;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  opacity: 0;
  pointer-events: none;
  transition: opacity .3s ease;
}
.demo-modal.open {
  opacity: 1;
  pointer-events: auto;
}
.demo-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,.72);
  backdrop-filter: blur(4px);
}
.demo-modal__box {
  position: relative;
  z-index: 1;
  background: #fff;
  border-radius: 20px;
  width: 100%;
  max-width: 720px;
  max-height: 92vh;
  overflow-y: auto;
  box-shadow: 0 24px 64px rgba(0,0,0,.35);
  transform: translateY(24px) scale(.96);
  transition: transform .3s ease;
}
.demo-modal.open .demo-modal__box {
  transform: translateY(0) scale(1);
}
.demo-modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px 14px;
  border-bottom: 1px solid #eee;
  gap: 12px;
}
.demo-modal__title-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
}
.demo-modal__play-icon {
  font-size: 1.4rem;
  color: var(--clr-primary);
}
.demo-modal__header h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin: 0;
}
.demo-modal__close {
  width: 34px; height: 34px;
  border-radius: 50%;
  border: none;
  background: #f0f4f8;
  color: #555;
  font-size: 1rem;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background .2s, color .2s;
  flex-shrink: 0;
}
.demo-modal__close:hover { background: #e31e24; color: #fff; }

/* Video iframe wrapper */
.demo-modal__player {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%; /* 16:9 */
  background: #000;
  overflow: hidden;
}
.demo-modal__player iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: none;
}

/* Coming-soon / no-video card */
.demo-no-video {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  background: linear-gradient(135deg, #0f2949 0%, #1a6eb5 100%);
  color: #fff;
  text-align: center;
  padding: 24px;
}
.demo-no-video__icon { font-size: 3.5rem; line-height: 1; }
.demo-no-video h4 { font-size: 1.3rem; font-weight: 800; margin: 0; }
.demo-no-video p { font-size: .9rem; opacity: .85; margin: 0; max-width: 320px; }
.demo-no-video .btn { margin-top: 4px; }

/* Post-video CTA */
.demo-modal__cta {
  padding: 20px 24px 24px;
  display: none;
  background: #f5f8ff;
  border-top: 1px solid #e0eaff;
}
.demo-modal__cta.show { display: block; }
.demo-modal__cta-inner { text-align: center; }
.demo-modal__cta-emoji { font-size: 2.4rem; line-height: 1; margin-bottom: 10px; }
.demo-modal__cta h4 { font-size: 1.15rem; font-weight: 800; margin-bottom: 6px; }
.demo-modal__cta p  { font-size: .88rem; color: var(--clr-text-light); margin-bottom: 18px; }
.demo-modal__cta-btns {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}
.demo-enroll-btn { animation: demo-pulse 1.6s infinite; }
@keyframes demo-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(227,30,36,.5); }
  50%       { box-shadow: 0 0 0 8px rgba(227,30,36,0); }
}

/* ── FEATURES ───────────────────────────────────────────────────── */
.features__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 24px;
}
.feature-card {
  background: var(--clr-white);
  border-radius: var(--radius-lg);
  padding: 28px 20px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: var(--transition);
}
.feature-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.feature-card__icon {
  width: 60px; height: 60px;
  background: rgba(0,48,135,.07);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 16px;
  font-size: 1.4rem;
  color: var(--clr-primary);
  transition: var(--transition);
}
.feature-card:hover .feature-card__icon {
  background: var(--clr-primary);
  color: var(--clr-white);
}
.feature-card h4 { font-size: .95rem; font-weight: 700; margin-bottom: 8px; }
.feature-card p  { font-size: .82rem; color: var(--clr-text-light); }

/* ── GALLERY ────────────────────────────────────────────────────── */
.gallery__filters {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 36px;
}
.gallery__filter-btn {
  padding: 7px 20px;
  border-radius: 20px;
  font-size: .85rem;
  font-weight: 600;
  border: 2px solid var(--clr-border);
  color: var(--clr-text-light);
  transition: var(--transition);
}
.gallery__filter-btn:hover,
.gallery__filter-btn.active {
  background: var(--clr-primary);
  border-color: var(--clr-primary);
  color: var(--clr-white);
}

.gallery__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
}
.gallery__item {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 4/3;
  cursor: pointer;
}
.gallery__item img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}
.gallery__item:hover img { transform: scale(1.07); }
.gallery__item-overlay {
  position: absolute; inset: 0;
  background: rgba(0,48,135,.65);
  display: flex; align-items: flex-end;
  padding: 16px;
  opacity: 0;
  transition: var(--transition);
}
.gallery__item:hover .gallery__item-overlay { opacity: 1; }
.gallery__item-overlay span {
  color: var(--clr-white);
  font-weight: 600;
  font-size: .9rem;
}
.gallery__item.hidden { display: none; }

/* Lightbox */
.lightbox {
  display: none;
  position: fixed; inset: 0;
  z-index: 2000;
  background: rgba(0,0,0,.88);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 12px;
  padding: 24px;
}
.lightbox.open { display: flex; }
.lightbox img { max-width: 90vw; max-height: 80vh; border-radius: var(--radius); object-fit: contain; }
.lightbox p  { color: rgba(255,255,255,.85); font-size: .9rem; }
.lightbox__close {
  position: absolute; top: 20px; right: 20px;
  color: var(--clr-white);
  font-size: 1.6rem;
  opacity: .8;
  transition: var(--transition);
}
.lightbox__close:hover { opacity: 1; transform: rotate(90deg); }

/* ── CERTIFICATION ──────────────────────────────────────────────── */
.certification__grid {
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: 60px;
  align-items: center;
}
.certification__content .section-title { margin: 10px 0 14px; }
.certification__content p { color: var(--clr-text-light); margin-bottom: 18px; }

.certification__details {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.certification__details li { font-size: .92rem; color: var(--clr-text-light); }
.certification__details li strong { color: var(--clr-text); }

.certification__image img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  width: 100%;
  object-fit: contain;
  max-height: 540px;
}

/* ── TESTIMONIALS ───────────────────────────────────────────────── */
.testimonials__slider {
  position: relative;
  min-height: 220px;
  max-width: 680px;
  margin: 0 auto;
}
.testimonial-card {
  display: none;
  background: var(--clr-white);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-md);
  text-align: center;
  animation: fadeIn .4s ease;
}
.testimonial-card--active { display: block; }
.testimonial-card__stars { color: #f4a800; margin-bottom: 14px; font-size: 1.1rem; gap: 2px; display: flex; justify-content: center; }
.testimonial-card > p { font-size: .96rem; color: var(--clr-text-light); font-style: italic; margin-bottom: 20px; line-height: 1.75; }
.testimonial-card__author {
  display: flex; align-items: center;
  justify-content: center; gap: 12px;
}
.testimonial-card__avatar {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--clr-primary);
  color: var(--clr-white);
  font-weight: 700; font-size: .9rem;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.testimonial-card__author strong { display: block; font-size: .9rem; }
.testimonial-card__author span   { font-size: .78rem; color: var(--clr-text-light); }

.testimonials__dots {
  display: flex; justify-content: center;
  gap: 8px; margin-top: 24px;
}
.testimonials__dots .hero__dot { background: rgba(0,48,135,.2); }
.testimonials__dots .hero__dot--active { background: var(--clr-primary); }

@keyframes fadeIn { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }

/* ── CONTACT ────────────────────────────────────────────────────── */
.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 60px;
  align-items: start;
}
.contact__info .section-title { margin: 8px 0 20px; }

.contact__info-item {
  display: flex;
  gap: 14px;
  margin-bottom: 22px;
  align-items: flex-start;
}
.contact__info-icon {
  width: 42px; height: 42px;
  border-radius: 10px;
  background: rgba(0,48,135,.08);
  color: var(--clr-primary);
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
  margin-top: 2px;
}
.contact__info-item strong { display: block; font-size: .85rem; margin-bottom: 2px; }
.contact__info-item p      { font-size: .88rem; color: var(--clr-text-light); }
.contact__info-item a      { color: var(--clr-primary); }
.contact__info-item a:hover { text-decoration: underline; }

.maps-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 8px;
  padding: 6px 14px;
  background: #e8f0fe;
  border: 1.5px solid #c5d8fb;
  border-radius: 20px;
  color: #1a6eb5 !important;
  font-size: .78rem;
  font-weight: 700;
  text-decoration: none !important;
  transition: background .2s, transform .2s;
}
.maps-link:hover {
  background: #1a6eb5;
  border-color: #1a6eb5;
  color: #fff !important;
  transform: translateY(-1px);
  text-decoration: none !important;
}
.maps-link .fa-arrow-up-right-from-square { font-size: .7rem; }

.contact__social {
  display: flex; gap: 10px; margin-top: 8px;
}
.contact__social a {
  width: 38px; height: 38px;
  border-radius: 8px;
  background: var(--clr-primary);
  color: var(--clr-white);
  display: flex; align-items: center; justify-content: center;
  font-size: .95rem;
  transition: var(--transition);
}
.contact__social a:hover { background: var(--clr-accent); transform: translateY(-2px); }

/* Form */
.contact__form-wrap {
  background: var(--clr-bg);
  border-radius: var(--radius-lg);
  padding: 36px;
}
.contact__form-wrap h3 {
  font-size: 1.15rem; font-weight: 700;
  margin-bottom: 24px;
  color: var(--clr-primary);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: .85rem; font-weight: 600; margin-bottom: 6px; }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1.5px solid var(--clr-border);
  border-radius: var(--radius);
  font-family: var(--font-main);
  font-size: .9rem;
  color: var(--clr-text);
  background: var(--clr-white);
  transition: var(--transition);
  outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: var(--clr-primary); box-shadow: 0 0 0 3px rgba(0,48,135,.1); }
.form-group textarea { resize: vertical; min-height: 100px; }

.form__success {
  display: none;
  color: #1a7a4a;
  font-size: .88rem;
  font-weight: 600;
  margin-top: 10px;
  text-align: center;
}
.form__success.show { display: block; }

/* Map */
.contact__map { margin-top: 56px; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow); }

/* ── FOOTER ─────────────────────────────────────────────────────── */
.footer { background: var(--clr-primary-dk); color: rgba(255,255,255,.85); }
.footer__top {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.4fr;
  gap: 40px;
  padding: 60px 0 40px;
}
.footer__logo img { height: 60px; width: auto; margin-bottom: 14px; object-fit: contain; background: #fff; border-radius: 8px; padding: 4px 10px; }
.footer__col > p { font-size: .88rem; opacity: .8; line-height: 1.7; margin-top: 4px; }
.footer__col h4 { font-size: .95rem; font-weight: 700; margin-bottom: 18px; color: var(--clr-white); }

.footer__col ul   { display: flex; flex-direction: column; gap: 8px; }
.footer__col ul a { font-size: .87rem; opacity: .8; transition: var(--transition); }
.footer__col ul a:hover { opacity: 1; color: var(--clr-gold); padding-left: 4px; }

.footer__contact { gap: 12px !important; }
.footer__contact li {
  font-size: .85rem;
  opacity: .8;
  display: flex;
  gap: 8px;
  align-items: flex-start;
}
.footer__contact li i { margin-top: 3px; color: var(--clr-gold); flex-shrink: 0; }
.footer__contact a { opacity: 1; }
.footer__contact a:hover { color: var(--clr-gold); }

.footer__social { display: flex; gap: 10px; margin-top: 16px; }
.footer__social a {
  width: 34px; height: 34px;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,.2);
  color: rgba(255,255,255,.8);
  display: flex; align-items: center; justify-content: center;
  font-size: .85rem;
  transition: var(--transition);
}
.footer__social a:hover { background: var(--clr-accent); border-color: var(--clr-accent); color: var(--clr-white); }

.footer__bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding: 18px 0;
}
.footer__bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}
.footer__bottom p { font-size: .8rem; opacity: .65; }

/* ── BACK TO TOP ────────────────────────────────────────────────── */
.back-to-top {
  position: fixed;
  bottom: 28px; right: 28px;
  z-index: 500;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--clr-primary);
  color: var(--clr-white);
  font-size: 1rem;
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-md);
  opacity: 0; pointer-events: none;
  transition: var(--transition);
}
.back-to-top.visible { opacity: 1; pointer-events: auto; }
.back-to-top:hover { background: var(--clr-accent); transform: translateY(-3px); }

/* ── RESPONSIVE ─────────────────────────────────────────────────── */

/* Tablet */
@media (max-width: 1024px) {
  .stats__grid { grid-template-columns: repeat(2, 1fr); }
  .stat-card:nth-child(2) { border-right: none; }
  .about__grid  { grid-template-columns: 1fr; gap: 36px; }
  .about__image-wrap { max-width: 480px; }
  .certification__grid { grid-template-columns: 1fr; gap: 36px; }
  .certification__image { max-width: 400px; }
  .contact__grid { grid-template-columns: 1fr; gap: 36px; }
  .footer__top   { grid-template-columns: 1fr 1fr; }
}

/* Mobile */
@media (max-width: 768px) {
  :root { --navbar-h: 64px; }

  .top-bar { display: none; }

  /* Hamburger visible */
  .navbar__hamburger { display: flex; }

  /* Mobile nav */
  .navbar__nav {
    position: absolute;
    top: var(--navbar-h);
    left: 0; right: 0;
    background: var(--clr-white);
    box-shadow: 0 8px 24px rgba(0,0,0,.12);
    padding: 16px 24px 24px;
    transform: translateY(-10px);
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
  }
  .navbar__nav.open { transform: none; opacity: 1; pointer-events: auto; }
  .navbar__nav ul { flex-direction: column; align-items: flex-start; gap: 4px; }
  .nav-link { display: block; padding: 10px 14px; width: 100%; }

  /* Hero */
  .hero { max-height: 520px; }
  .hero__content h1 { font-size: 2rem; }
  .hero__arrow { display: none; }

  /* Stats */
  .stats__grid { grid-template-columns: repeat(2, 1fr); }
  .stat-card { border-right: none; border-bottom: 1px solid rgba(255,255,255,.15); }
  .stat-card:nth-last-child(-n+2) { border-bottom: none; }

  /* Form */
  .form-row { grid-template-columns: 1fr; }
  .contact__form-wrap { padding: 24px; }

  /* Footer */
  .footer__top { grid-template-columns: 1fr; gap: 28px; }
  .footer__bottom-inner { flex-direction: column; text-align: center; }

  /* Hamburger animation */
  .navbar__hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
  .navbar__hamburger.open span:nth-child(2) { opacity: 0; }
  .navbar__hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }
}

@media (max-width: 480px) {
  .section { padding: 56px 0; }
  .features__grid { grid-template-columns: repeat(2, 1fr); }
  .courses__grid  { grid-template-columns: 1fr; }
  .cg             { grid-template-columns: 1fr; }
  .int-btn span   { font-size: .8rem; }
  .int-btn        { padding: 8px 14px; }
}