/* ======================================================
   ITE Kottakkal — style.css
   Premium Academic Website Stylesheet
   ====================================================== */

/* ---------- CSS CUSTOM PROPERTIES ---------- */
:root {
  --navy:       #0d2257;
  --navy-deep:  #081538;
  --navy-mid:   #163070;
  --navy-light: #1e3d8b;
  --orange:     #f47c20;
  --orange-dark:#d4650f;
  --orange-light:#f9a958;
  --gold:       #e8b84b;
  --white:      #ffffff;
  --off-white:  #f8f9fd;
  --gray-50:    #f4f6fa;
  --gray-100:   #eef0f7;
  --gray-200:   #dde2ef;
  --gray-400:   #8c97b8;
  --gray-600:   #5a6685;
  --gray-800:   #2d3654;
  --text-primary:   #1a2340;
  --text-secondary: #4a5578;
  --text-light:     #8c97b8;
  --whatsapp:   #25D366;
  --whatsapp-dark: #128C7E;

  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  20px;
  --radius-xl:  32px;
  --radius-full: 999px;

  --shadow-sm:  0 2px 8px rgba(13,34,87,.08);
  --shadow-md:  0 8px 28px rgba(13,34,87,.12);
  --shadow-lg:  0 20px 60px rgba(13,34,87,.18);
  --shadow-xl:  0 32px 80px rgba(13,34,87,.24);

  --transition: .3s cubic-bezier(.4,0,.2,1);
  --font-body:  'Inter', system-ui, -apple-system, sans-serif;
  --font-heading: 'Poppins', 'Inter', sans-serif;

  --top-bar-h: 42px;
  --header-h: 76px;
}

/* ---------- RESET ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; overflow-x: hidden; width: 100%; max-width: 100%; }
body {
  font-family: var(--font-body);
  color: var(--text-primary);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
  width: 100%;
  max-width: 100%;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; }

/* ---------- CONTAINER ---------- */
.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- SECTION HEADER ---------- */
.section-header {
  text-align: center;
  margin-bottom: 3.5rem;
}
.section-tag {
  display: inline-block;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--orange);
  background: rgba(244,124,32,.1);
  padding: .35rem 1rem;
  border-radius: var(--radius-full);
  margin-bottom: .875rem;
}
.section-tag--light {
  color: var(--orange-light);
  background: rgba(244,124,32,.2);
}
.section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 3.5vw, 2.6rem);
  font-weight: 800;
  color: var(--navy);
  line-height: 1.2;
  margin-bottom: .75rem;
}
.section-title--light { color: var(--white); }
.section-subtitle {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}
.section-subtitle--light { color: rgba(255,255,255,.75); }
.section-header--left { text-align: left; }
.section-header--left .section-subtitle { margin: 0; }

/* ---------- BUTTONS ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .75rem 1.75rem;
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-size: .9375rem;
  font-weight: 600;
  transition: var(--transition);
  cursor: pointer;
  white-space: nowrap;
}
.btn--lg { padding: .9rem 2.25rem; font-size: 1rem; }
.btn--primary {
  background: linear-gradient(135deg, var(--orange), var(--orange-dark));
  color: var(--white);
  box-shadow: 0 4px 18px rgba(244,124,32,.35);
}
.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(244,124,32,.45);
}
.btn--whatsapp {
  background: linear-gradient(135deg, #25D366, #128C7E);
  color: var(--white);
  box-shadow: 0 4px 18px rgba(37,211,102,.3);
}
.btn--whatsapp:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(37,211,102,.45);
}
.btn--glass {
  background: rgba(255,255,255,.15);
  color: var(--white);
  border: 1.5px solid rgba(255,255,255,.35);
  backdrop-filter: blur(8px);
}
.btn--glass:hover {
  background: rgba(255,255,255,.25);
  transform: translateY(-2px);
}
.btn--outline-white {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,.4);
}
.btn--outline-white:hover { border-color: var(--white); background: rgba(255,255,255,.1); }

/* ---------- TOP BAR ---------- */
.top-bar {
  background: var(--navy-deep);
  padding: 0 0;
  height: var(--top-bar-h);
  display: flex;
  align-items: center;
}
.top-bar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.top-bar__contacts {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}
.top-bar__link {
  display: flex;
  align-items: center;
  gap: .375rem;
  color: rgba(255,255,255,.8);
  font-size: .8rem;
  transition: color var(--transition);
}
.top-bar__link:hover { color: var(--orange-light); }
.top-bar__icon { font-size: .85rem; }
.top-bar__badge {
  background: var(--orange);
  color: var(--white);
  font-size: .65rem;
  font-weight: 700;
  padding: .1rem .5rem;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: .06em;
}
.top-bar__social {
  display: flex;
  align-items: center;
  gap: .75rem;
}
.top-bar__social-link {
  color: rgba(255,255,255,.6);
  transition: color var(--transition);
}
.top-bar__social-link:hover { color: var(--white); }

/* ---------- HEADER ---------- */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--white);
  box-shadow: 0 2px 20px rgba(13,34,87,.08);
  height: var(--header-h);
  display: flex;
  align-items: center;
  transition: box-shadow var(--transition), background var(--transition);
}
.header.scrolled {
  box-shadow: var(--shadow-md);
}
.header__inner {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  width: 100%;
  box-sizing: border-box;
}
.header__logo {
  display: flex;
  align-items: center;
  gap: .75rem;
  flex-shrink: 1;
  min-width: 0;
}
.header__logo-img {
  height: 48px;
  width: auto;
  object-fit: contain;
}
.header__logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}
.header__logo-name {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--navy);
}
.header__logo-tagline {
  font-size: .65rem;
  color: var(--text-light);
  letter-spacing: .04em;
  text-transform: uppercase;
}
.nav { margin-left: auto; }
.nav__list {
  display: flex;
  align-items: center;
  gap: .25rem;
}
.nav__link {
  display: inline-block;
  padding: .5rem .9rem;
  font-size: .9rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-md);
  transition: var(--transition);
  position: relative;
}
.nav__link::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--orange);
  border-radius: 2px;
  transition: width var(--transition);
}
.nav__link:hover, .nav__link.active {
  color: var(--navy);
}
.nav__link:hover::after, .nav__link.active::after { width: 60%; }
.header__cta { margin-left: 1rem; flex-shrink: 0; }

/* ---------- HAMBURGER ---------- */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: .5rem;
  margin-left: auto;
  position: relative;
  z-index: 1000;
  flex-shrink: 0;
}
.hamburger__bar {
  display: block;
  width: 24px;
  height: 2.5px;
  background: var(--navy);
  border-radius: 2px;
  transition: var(--transition);
}
.hamburger.open .hamburger__bar:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.open .hamburger__bar:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.open .hamburger__bar:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ---------- MOBILE OVERLAY ---------- */
.mobile-overlay {
  position: fixed;
  inset: 0;
  background: var(--navy-deep);
  z-index: 999;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 2rem;
  transform: translateX(100%);
  transition: transform .4s cubic-bezier(.4,0,.2,1);
}
.mobile-overlay.open {
  transform: translateX(0);
}
.mobile-nav__list { margin-bottom: 2.5rem; }
.mobile-nav__list li { border-bottom: 1px solid rgba(255,255,255,.08); }
.mobile-nav__link {
  display: block;
  padding: 1rem 0;
  font-size: 1.25rem;
  font-weight: 600;
  color: rgba(255,255,255,.8);
  transition: var(--transition);
}
.mobile-nav__link:hover { color: var(--orange-light); padding-left: .5rem; }
.mobile-nav__footer {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

/* ---------- HERO ---------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: calc(var(--top-bar-h) + var(--header-h));
  margin-top: calc(-1 * var(--header-h));
}
.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero__bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transform: scale(1.05);
  animation: hero-zoom 14s ease-in-out infinite alternate;
}
@keyframes hero-zoom {
  from { transform: scale(1); }
  to { transform: scale(1.06); }
}
.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(8,21,56,.9) 0%,
    rgba(13,34,87,.78) 50%,
    rgba(22,48,112,.6) 100%
  );
}
.hero__content {
  position: relative;
  z-index: 2;
  padding-top: 5rem;
  padding-bottom: 8rem;
}
.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.2);
  color: rgba(255,255,255,.9);
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: .4rem 1.1rem;
  border-radius: var(--radius-full);
  margin-bottom: 1.5rem;
  backdrop-filter: blur(6px);
}
.badge-dot {
  width: 8px;
  height: 8px;
  background: var(--orange);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.5); opacity: .6; }
}
.hero__headline {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5.5vw, 3.8rem);
  font-weight: 900;
  color: var(--white);
  line-height: 1.1;
  margin-bottom: 1.5rem;
  letter-spacing: -.02em;
}
.hero__headline--accent {
  background: linear-gradient(135deg, var(--orange-light), var(--gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero__quote {
  border-left: 3px solid var(--orange);
  padding-left: 1.25rem;
  margin-bottom: 2.5rem;
  max-width: 560px;
}
.hero__quote p {
  font-size: 1.1rem;
  color: rgba(255,255,255,.85);
  font-style: italic;
  font-weight: 300;
  line-height: 1.7;
}
.hero__quote footer {
  font-size: .85rem;
  color: var(--orange-light);
  font-weight: 600;
  margin-top: .5rem;
  font-style: normal;
}
.hero__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 3.5rem;
}
.hero__stats {
  display: flex;
  align-items: center;
  gap: 0;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.15);
  backdrop-filter: blur(12px);
  border-radius: var(--radius-xl);
  padding: 1.25rem 2rem;
  max-width: max-content;
}
.hero__stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0 1.75rem;
}
.hero__stat-divider {
  width: 1px;
  height: 36px;
  background: rgba(255,255,255,.2);
}
.hero__stat-num {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--white);
  line-height: 1;
}
.hero__stat-label {
  font-size: .72rem;
  color: rgba(255,255,255,.6);
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-top: .2rem;
}
.hero__scroll-cue {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .5rem;
  z-index: 3;
  color: rgba(255,255,255,.5);
  font-size: .75rem;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.hero__scroll-arrow {
  width: 20px;
  height: 20px;
  border-right: 2px solid rgba(255,255,255,.5);
  border-bottom: 2px solid rgba(255,255,255,.5);
  transform: rotate(45deg);
  animation: bounce 2s ease-in-out infinite;
}
@keyframes bounce {
  0%, 100% { transform: rotate(45deg) translateY(0); }
  50% { transform: rotate(45deg) translateY(6px); }
}

/* Particles */
.hero__particles { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
.particle {
  position: absolute;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--orange);
  opacity: 0;
  animation: float-up 8s ease-in-out infinite;
}
.particle:nth-child(1) { left: 15%; top: 80%; animation-delay: 0s; }
.particle:nth-child(2) { left: 30%; top: 85%; animation-delay: 1.5s; }
.particle:nth-child(3) { left: 55%; top: 88%; animation-delay: 3s; }
.particle:nth-child(4) { left: 70%; top: 75%; animation-delay: 4.5s; }
.particle:nth-child(5) { left: 85%; top: 82%; animation-delay: 2s; }
.particle:nth-child(6) { left: 45%; top: 90%; animation-delay: 5s; }
@keyframes float-up {
  0% { transform: translateY(0) scale(1); opacity: 0; }
  15% { opacity: .6; }
  85% { opacity: .2; }
  100% { transform: translateY(-60vh) scale(.3); opacity: 0; }
}

/* ---------- ANIMATE IN ---------- */
.animate-in {
  opacity: 0;
  transform: translateY(28px);
  animation: slide-up .7s ease forwards;
  animation-delay: var(--delay, 0s);
}
@keyframes slide-up {
  to { opacity: 1; transform: translateY(0); }
}

/* ---------- CAMPUS BANNER ---------- */
.campus-banner {
  background: linear-gradient(135deg, var(--gray-50), var(--white));
  padding: 3rem 0;
  border-bottom: 1px solid var(--gray-100);
}
.campus-banner__inner {
  display: flex;
  align-items: flex-start;
  gap: 2.5rem;
}
.campus-banner__icon-ring {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--navy), var(--navy-light));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  flex-shrink: 0;
  box-shadow: 0 8px 24px rgba(13,34,87,.25);
}
.campus-banner__heading {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: .75rem;
}
.campus-banner__body {
  color: var(--text-secondary);
  line-height: 1.75;
  font-size: .95rem;
}

/* ---------- ABOUT SECTION ---------- */
.about {
  padding: 6rem 0;
  background: var(--white);
}
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: start;
}
.about__image-stack {
  position: relative;
  padding-bottom: 2rem;
}
.about__img-main {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  aspect-ratio: 4/3;
}
.about__img-main img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.about__img-main:hover img { transform: scale(1.04); }
.about__img-secondary {
  position: absolute;
  bottom: -1rem;
  right: -2rem;
  width: 55%;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 4px solid var(--white);
  box-shadow: var(--shadow-md);
  aspect-ratio: 4/3;
}
.about__img-secondary img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.about__img-badge {
  position: absolute;
  bottom: 2rem;
  left: -1.5rem;
  background: linear-gradient(135deg, var(--orange), var(--orange-dark));
  color: var(--white);
  padding: .75rem 1.25rem;
  border-radius: var(--radius-md);
  text-align: center;
  box-shadow: var(--shadow-md);
}
.about__img-badge-num {
  display: block;
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 800;
  line-height: 1;
}
.about__img-badge-text {
  display: block;
  font-size: .65rem;
  text-transform: uppercase;
  letter-spacing: .08em;
  opacity: .85;
}
.about__mission {
  display: flex;
  gap: 1.25rem;
  background: var(--gray-50);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}
.about__mission-icon {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--navy), var(--navy-light));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  flex-shrink: 0;
}
.about__mission-title {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: .375rem;
}
.about__mission-text {
  font-size: .9375rem;
  color: var(--text-secondary);
  font-style: italic;
  line-height: 1.65;
}
.about__location {
  display: flex;
  align-items: flex-start;
  gap: .625rem;
  color: var(--text-secondary);
  font-size: .9rem;
  margin-bottom: 2rem;
  padding: .75rem 1rem;
  background: rgba(244,124,32,.06);
  border-left: 3px solid var(--orange);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.about__location svg { flex-shrink: 0; color: var(--orange); margin-top: 2px; }
.about__why-title {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 1.25rem;
}
.about__features { display: flex; flex-direction: column; gap: 1rem; }
.feature-card {
  display: flex;
  gap: 1.25rem;
  padding: 1.25rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--gray-100);
  background: var(--white);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.feature-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
  border-color: var(--gray-200);
}
.feature-card__icon {
  width: 46px;
  height: 46px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.feature-card__icon--gold { background: rgba(232,184,75,.15); color: #c9960d; }
.feature-card__icon--blue { background: rgba(30,61,139,.1); color: var(--navy-light); }
.feature-card__icon--green { background: rgba(22,163,74,.12); color: #16a34a; }
.feature-card__text h4 {
  font-family: var(--font-heading);
  font-size: .95rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: .3rem;
}
.feature-card__text p {
  font-size: .875rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ---------- COURSES ---------- */
.courses {
  padding: 6rem 0;
  background: var(--off-white);
}
.courses__category { margin-bottom: 4.5rem; }
.courses__category:last-child { margin-bottom: 0; }
.courses__category-header {
  text-align: center;
  margin-bottom: 2.5rem;
}
.courses__category-badge {
  display: inline-block;
  font-size: .7rem;
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
  padding: .3rem .875rem;
  border-radius: var(--radius-full);
  margin-bottom: .75rem;
}
.courses__category-badge--primary {
  background: linear-gradient(135deg, var(--navy), var(--navy-light));
  color: var(--white);
}
.courses__category-badge--accent {
  background: linear-gradient(135deg, var(--orange), var(--orange-dark));
  color: var(--white);
}
.courses__category-title {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--navy);
  margin-bottom: .375rem;
}
.courses__category-sub {
  font-size: .875rem;
  color: var(--text-secondary);
}

.course-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}
.course-grid--three {
  grid-template-columns: repeat(3, 1fr);
}

.course-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  border: 1px solid var(--gray-100);
}
.course-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.course-card__img-wrap {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
}
.course-card__img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.course-card:hover .course-card__img-wrap img { transform: scale(1.08); }
.course-card__overlay {
  position: absolute;
  inset: 0;
  background: rgba(13,34,87,.6);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition);
}
.course-card:hover .course-card__overlay { opacity: 1; }
.course-card__overlay-btn {
  background: var(--orange);
  color: var(--white);
  padding: .6rem 1.5rem;
  border-radius: var(--radius-full);
  font-size: .85rem;
  font-weight: 600;
  transform: translateY(10px);
  transition: var(--transition);
}
.course-card:hover .course-card__overlay-btn { transform: translateY(0); }
.course-card__badge {
  position: absolute;
  top: .875rem;
  right: .875rem;
  background: var(--navy);
  color: var(--white);
  font-size: .7rem;
  font-weight: 700;
  padding: .25rem .7rem;
  border-radius: var(--radius-full);
}
.course-card__badge--accent { background: var(--orange); }
.course-card__body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.course-card__icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: .875rem;
}
.course-card__icon--orange { background: rgba(244,124,32,.12); color: var(--orange); }
.course-card__icon--yellow { background: rgba(250,204,21,.15); color: #b45309; }
.course-card__icon--teal { background: rgba(20,184,166,.12); color: #0f766e; }
.course-card__icon--blue { background: rgba(59,130,246,.12); color: #1d4ed8; }
.course-card__icon--pink { background: rgba(236,72,153,.12); color: #be185d; }
.course-card__icon--purple { background: rgba(139,92,246,.12); color: #7c3aed; }
.course-card__icon--green { background: rgba(22,163,74,.12); color: #15803d; }
.course-card__title {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: .5rem;
  line-height: 1.3;
}
.course-card__desc {
  font-size: .875rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1rem;
  flex: 1;
}
.course-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: .375rem;
  margin-bottom: 1rem;
}
.tag {
  display: inline-block;
  font-size: .7rem;
  font-weight: 600;
  padding: .2rem .65rem;
  border-radius: var(--radius-full);
  background: rgba(13,34,87,.08);
  color: var(--navy);
  text-transform: uppercase;
  letter-spacing: .04em;
}
.tag--accent {
  background: rgba(244,124,32,.1);
  color: var(--orange-dark);
}
.tag--focus {
  background: rgba(20,184,166,.12);
  color: #0d9488;
}
.tag--ite {
  background: rgba(168,85,247,.12);
  color: #9333ea;
}
.course-card__cta {
  display: inline-flex;
  font-size: .85rem;
  font-weight: 600;
  color: var(--orange);
  transition: var(--transition);
  margin-top: auto;
}
.course-card__cta:hover { color: var(--navy); gap: .25rem; }

/* ---------- ADMISSIONS ---------- */
.admissions {
  padding: 7rem 0;
  background: linear-gradient(135deg, var(--navy-deep) 0%, var(--navy) 60%, var(--navy-light) 100%);
  position: relative;
  overflow: hidden;
}
.admissions::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: rgba(244,124,32,.06);
  border-radius: 50%;
  filter: blur(60px);
}
.admissions__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: start;
  position: relative;
  z-index: 1;
}
.timeline { display: flex; flex-direction: column; gap: 0; }
.timeline__item {
  display: flex;
  gap: 1.5rem;
}
.timeline__step {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex-shrink: 0;
}
.timeline__num {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--orange), var(--orange-dark));
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: .85rem;
  font-weight: 800;
  flex-shrink: 0;
  box-shadow: 0 4px 16px rgba(244,124,32,.4);
}
.timeline__line {
  width: 2px;
  flex: 1;
  background: linear-gradient(to bottom, var(--orange), transparent);
  margin: .5rem 0;
  min-height: 28px;
}
.timeline__content {
  padding: .25rem 0 2rem;
}
.timeline__content h4 {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: .4rem;
}
.timeline__content p {
  font-size: .9rem;
  color: rgba(255,255,255,.7);
  line-height: 1.65;
}
.timeline__content strong { color: var(--orange-light); }

.admissions__right {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.cert-card {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius-xl);
  padding: 2rem;
  backdrop-filter: blur(12px);
}
.cert-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}
.cert-card__logo {
  height: 50px;
  width: auto;
  object-fit: contain;
  filter: brightness(0) invert(1);
}
.cert-card__badge-row { display: flex; gap: .5rem; }
.cert-badge {
  background: var(--orange);
  color: var(--white);
  font-size: .65rem;
  font-weight: 800;
  padding: .2rem .65rem;
  border-radius: var(--radius-full);
  letter-spacing: .06em;
  text-transform: uppercase;
}
.cert-card__title {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 1.5rem;
}
.cert-card__item {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.25rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.cert-card__item:last-of-type { border-bottom: none; }
.cert-card__item-icon {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  background: rgba(244,124,32,.2);
  color: var(--orange-light);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.cert-card__item h5 {
  font-size: .9rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: .2rem;
}
.cert-card__item p {
  font-size: .8rem;
  color: rgba(255,255,255,.65);
  line-height: 1.5;
}
.cert-card__item strong { color: var(--orange-light); }
.cert-card__contact-strip {
  background: rgba(244,124,32,.15);
  border: 1px solid rgba(244,124,32,.3);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: .5rem;
}
.cert-card__contact-strip span {
  font-size: .8rem;
  color: rgba(255,255,255,.7);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .06em;
}
.cert-card__phones {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
}
.cert-card__phones a {
  color: var(--orange-light);
  font-size: .9rem;
  font-weight: 700;
  transition: color var(--transition);
}
.cert-card__phones a:hover { color: var(--white); }
.admissions__side-img {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  aspect-ratio: 16/9;
}
.admissions__side-img img { width: 100%; height: 100%; object-fit: cover; }

/* ---------- GALLERY ---------- */
.gallery {
  padding: 6rem 0;
  background: var(--white);
}
.gallery__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: auto;
  gap: 1rem;
}
.gallery__item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 1;
  cursor: pointer;
}
.gallery__item--tall {
  grid-row: span 2;
  aspect-ratio: auto;
}
.gallery__item--wide {
  grid-column: span 2;
  aspect-ratio: 16/9;
}
.gallery__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.gallery__item:hover img,
.gallery__item:focus-visible img { transform: scale(1.07); }
.gallery__item:focus-visible {
  outline: 3px solid var(--orange);
  outline-offset: 4px;
}
.gallery__caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(transparent, rgba(8,21,56,.8));
  color: var(--white);
  font-size: .8rem;
  font-weight: 600;
  padding: 2.5rem 1rem .875rem;
  transform: translateY(100%);
  transition: transform var(--transition);
}
.gallery__item:hover .gallery__caption,
.gallery__item:focus-visible .gallery__caption { transform: translateY(0); }

/* ---------- CONTACT ---------- */
.contact {
  padding: 6rem 0;
  background: var(--off-white);
}
.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3rem;
  align-items: start;
}
.contact__info-col { display: flex; flex-direction: column; gap: 1rem; }
.contact-card {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-lg);
  padding: 1.375rem 1.5rem;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.contact-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.contact-card__icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--navy), var(--navy-light));
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.contact-card h4 {
  font-family: var(--font-heading);
  font-size: .875rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: .4rem;
  text-transform: uppercase;
  letter-spacing: .06em;
}
.contact-card p {
  font-size: .9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}
.contact-card__link {
  display: block;
  font-size: .925rem;
  color: var(--navy);
  font-weight: 500;
  margin-bottom: .2rem;
  transition: color var(--transition);
}
.contact-card__link:hover { color: var(--orange); }
.contact-card__tag {
  display: inline-block;
  font-size: .65rem;
  font-weight: 700;
  background: rgba(244,124,32,.15);
  color: var(--orange-dark);
  padding: .05rem .5rem;
  border-radius: var(--radius-full);
  margin-left: .3rem;
  text-transform: uppercase;
  letter-spacing: .04em;
}
.contact__social-row { display: flex; gap: .75rem; flex-wrap: wrap; }
.contact__social-btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .625rem 1.25rem;
  border-radius: var(--radius-full);
  font-size: .85rem;
  font-weight: 600;
  background: linear-gradient(135deg, #833ab4, #fd1d1d, #fcb045);
  color: var(--white);
  transition: var(--transition);
}
.contact__social-btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.contact__social-btn--fb {
  background: linear-gradient(135deg, #1877f2, #166fe5);
}
.contact__map-col { position: sticky; top: calc(var(--top-bar-h) + var(--header-h) + 1rem); }
.contact__map-wrap {
  border-radius: var(--radius-xl);
  overflow: hidden;
  height: 420px;
  box-shadow: var(--shadow-lg);
  position: relative;
}
.contact__map-overlay {
  position: absolute;
  bottom: 1rem;
  right: 1rem;
  z-index: 10;
}
.contact__map-btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  background: var(--navy);
  color: var(--white);
  padding: .6rem 1.25rem;
  border-radius: var(--radius-full);
  font-size: .85rem;
  font-weight: 600;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
}
.contact__map-btn:hover { background: var(--orange); transform: translateY(-2px); }

/* ---------- FOOTER ---------- */
.footer {
  background: var(--navy-deep);
}
.footer__top { padding: 5rem 0 3rem; }
.footer__top-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3rem;
}
.footer__logo {
  height: 52px;
  width: auto;
  object-fit: contain;
  filter: brightness(0) invert(1);
  margin-bottom: 1rem;
}
.footer__tagline {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: .625rem;
}
.footer__desc {
  font-size: .85rem;
  color: rgba(255,255,255,.55);
  line-height: 1.7;
  margin-bottom: 1.5rem;
}
.footer__social {
  display: flex;
  gap: .75rem;
}
.footer__social-link {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,.08);
  color: rgba(255,255,255,.7);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}
.footer__social-link:hover { background: var(--orange); color: var(--white); transform: translateY(-2px); }
.footer__social-link--wa:hover { background: var(--whatsapp); }
.footer__col-title {
  font-family: var(--font-heading);
  font-size: .8rem;
  font-weight: 700;
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: .1em;
  margin-bottom: 1.25rem;
}
.footer__links { display: flex; flex-direction: column; gap: .5rem; }
.footer__link {
  font-size: .875rem;
  color: rgba(255,255,255,.55);
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: .4rem;
}
.footer__link:hover { color: var(--orange-light); padding-left: .25rem; }
.footer__contact-list { display: flex; flex-direction: column; gap: .875rem; }
.footer__contact-item {
  display: flex;
  align-items: flex-start;
  gap: .625rem;
  color: rgba(255,255,255,.55);
  font-size: .85rem;
  line-height: 1.5;
}
.footer__contact-item svg { flex-shrink: 0; margin-top: 2px; color: var(--orange); }
.footer__phone {
  display: block;
  color: rgba(255,255,255,.7);
  font-size: .85rem;
  transition: color var(--transition);
}
.footer__phone:hover { color: var(--orange-light); }
.footer__bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 1.5rem 0;
}
.footer__bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.footer__bottom-inner p {
  font-size: .8rem;
  color: rgba(255,255,255,.4);
}

/* ---------- FLOATING WHATSAPP ---------- */
.float-wa {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 900;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: linear-gradient(135deg, #25D366, #128C7E);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 28px rgba(37,211,102,.5);
  transition: var(--transition);
}
.float-wa:hover {
  transform: scale(1.1) translateY(-3px);
  box-shadow: 0 14px 40px rgba(37,211,102,.6);
}
.float-wa__tooltip {
  position: absolute;
  right: 72px;
  background: var(--white);
  color: var(--navy);
  font-size: .8rem;
  font-weight: 600;
  padding: .4rem .9rem;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-md);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}
.float-wa:hover .float-wa__tooltip { opacity: 1; }

/* ======================================================
   RESPONSIVE — TABLET & MOBILE
   ====================================================== */

@media (max-width: 1100px) {
  .course-grid { grid-template-columns: repeat(2, 1fr); }
  .course-grid--three { grid-template-columns: repeat(2, 1fr); }
  .footer__top-inner { grid-template-columns: 1fr 1fr; gap: 2.5rem; }
}

@media (max-width: 960px) {
  .nav, .header__cta { display: none; }
  .hamburger { display: flex; }
  .about__grid { grid-template-columns: 1fr; gap: 3rem; }
  .about__img-secondary { right: -1rem; }
  .admissions__inner { grid-template-columns: 1fr; gap: 3rem; }
  .contact__grid { grid-template-columns: 1fr; }
  .contact__map-col { position: static; }
  .gallery__grid { grid-template-columns: repeat(2, 1fr); }
  .gallery__item--tall { grid-row: span 1; aspect-ratio: 1; }
  .gallery__item--wide { grid-column: span 2; }
}

@media (max-width: 640px) {
  :root {
    --header-h: 66px;
    --top-bar-h: 0px;
  }
  .top-bar { display: none; }

  /* --- Header: keep logo + hamburger on one line --- */
  .header__inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    box-sizing: border-box;
    padding: 10px 15px;
    gap: .5rem;
  }
  .header__logo {
    flex-shrink: 1;
    min-width: 0;
    max-width: 180px;
  }
  .header__logo-img { height: 38px; }
  .header__logo-name { font-size: .9rem; }
  .header__logo-tagline { display: none; }
  .hamburger {
    display: flex;
    flex-shrink: 0;
    margin-left: auto;
  }

  .campus-banner__inner { flex-direction: column; }
  .hero__stats {
    flex-wrap: wrap;
    gap: 1rem;
    padding: 1rem;
    max-width: 100%;
    box-sizing: border-box;
    justify-content: center;
  }
  .hero__stat { padding: 0 .75rem; }
  .hero__stat-divider { display: none; }
  .hero__ctas {
    flex-direction: column;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
  }
  .hero__ctas .btn {
    justify-content: center;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
  }
  .hero__content {
    max-width: 100%;
    box-sizing: border-box;
  }
  .course-grid { grid-template-columns: 1fr; }
  .course-grid--three { grid-template-columns: 1fr; }
  .gallery__grid { grid-template-columns: 1fr 1fr; }
  .gallery__item--wide { grid-column: span 2; }
  .footer__top-inner { grid-template-columns: 1fr; gap: 2rem; }
  .footer__bottom-inner { flex-direction: column; text-align: center; }
  .about__img-secondary { width: 50%; right: 0; }
  .hero__quote { display: none; }
}

/* ---------- 500px — Fix hero call button overflow ---------- */
@media (max-width: 500px) {
  #hero-call-btn {
    flex-direction: column;
    align-items: center;
    gap: .3rem;
    font-size: .78rem;
    padding: .75rem 1rem;
    line-height: 1.5;
    text-align: center;
    white-space: normal;
    word-break: break-word;
    max-width: 100%;
    box-sizing: border-box;
    height: auto;
  }
  #hero-call-btn .call-primary {
    font-size: .85rem;
    font-weight: 700;
  }
  #hero-call-btn .call-secondary {
    font-size: .72rem;
    opacity: .85;
  }
  .container {
    padding: 0 16px;
  }
}