/* ============================================================
   LYCEUM TUITION CENTRE — Premium Educational Website
   Filename : style.css
   Royal Blue (#123C8D) · Gold (#D4AF37) · White (#FFFFFF)
   ============================================================ */

/* ----- Fonts ----- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Poppins:wght@500;600;700;800&family=Noto+Sans+Malayalam:wght@300;400;500;600;700&display=swap');

/* ----- Design Tokens ----- */
:root {
  --color-primary:       #123C8D;
  --color-primary-dark:  #0D2D6B;
  --color-primary-light: #1A4FA0;
  --color-accent:        #D4AF37;
  --color-accent-light:  #E3C76A;
  --color-accent-dark:   #B8962E;
  --color-white:         #FFFFFF;
  --color-light:         #F5F7FA;
  --color-light-alt:     #EAEDF2;
  --color-dark:          #222222;
  --color-text:          #444444;
  --color-text-light:    #777777;
  --color-border:        #DEE2E9;
  --color-success:       #2E8B57;
  --color-error:         #DC3545;
  --color-warning:       #E8A317;
  --dm-bg:               #0F172A;
  --dm-bg-alt:           #1A2332;
  --dm-card:             #1E293B;
  --dm-border:           #334155;
  --dm-text:             #E2E8F0;
  --dm-text-light:       #94A3B8;
  --font-heading:        'Poppins', sans-serif;
  --font-body:           'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-malayalam:      'Noto Sans Malayalam', sans-serif;
  --section-padding:     4.5rem 1.5rem;
  --container-max:       1200px;
  --container-narrow:    900px;
  --gap-sm:              0.75rem;
  --gap-md:              1.5rem;
  --gap-lg:              3rem;
  --shadow-sm:           0 1px 3px rgba(18,60,141,0.06);
  --shadow-md:           0 4px 20px rgba(18,60,141,0.08);
  --shadow-lg:           0 10px 40px rgba(18,60,141,0.1);
  --shadow-xl:           0 20px 60px rgba(18,60,141,0.12);
  --shadow-accent:       0 4px 20px rgba(212,175,55,0.25);
  --radius-sm:           6px;
  --radius-md:           12px;
  --radius-lg:           20px;
  --radius-full:         50%;
  --transition-fast:     0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal:   0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow:     0.5s cubic-bezier(0.4, 0, 0.2, 1);
  --z-dropdown: 100;
  --z-sticky:   200;
  --z-overlay:  300;
  --z-modal:    400;
  --z-toast:    500;
}
/* ----- Global Reset ----- */
*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
body {
  font-family: var(--font-body); font-size: 1rem; line-height: 1.7;
  color: var(--color-text); background: var(--color-white);
  -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; overflow-x: hidden;
}
[lang="ml"] body, [lang="ml"] .ml-text { font-family: var(--font-malayalam), var(--font-body); }
img { max-width:100%; height:auto; display:block; }
a { color: var(--color-primary); text-decoration: none; transition: color var(--transition-fast); }
a:hover { color: var(--color-accent-dark); }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; font-size: inherit; }
input, textarea, select { font-family: inherit; font-size: inherit; border: none; outline: none; }
:focus-visible { outline: 3px solid var(--color-accent); outline-offset: 2px; }

/* ----- Typography ----- */
h1, h2, h3, h4, h5, h6 { font-family: var(--font-heading); color: var(--color-primary); line-height: 1.3; font-weight: 600; }
h1 { font-size: clamp(2rem, 4.5vw, 3.2rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.6rem); }
h4 { font-size: clamp(1.1rem, 2vw, 1.35rem); }
p { margin-bottom: 1rem; }

/* ----- Container ----- */
.container { width: 100%; max-width: var(--container-max); margin: 0 auto; padding: 0 1.5rem; }
.container--narrow { max-width: var(--container-narrow); }

/* ----- Section ----- */
.section { padding: var(--section-padding); }
.section--dark { background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary)); color: var(--color-white); }
.section--dark h2, .section--dark h3 { color: var(--color-white); }
.section--light { background: var(--color-light); }
.section__header { text-align: center; margin-bottom: var(--gap-lg); }
.section__header h2 { margin-bottom: 0.75rem; position: relative; display: inline-block; }
.section__header h2::after {
  content: ''; display: block; width: 50px; height: 3px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-light));
  margin: 0.75rem auto 0; border-radius: 2px;
}
.section__subtitle { font-family: var(--font-body); font-size: 1.05rem; color: var(--color-text-light); max-width: 600px; margin: 0 auto; }
.section--dark .section__subtitle { color: rgba(255,255,255,0.7); }

/* ----- Buttons ----- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  padding: 0.8rem 1.8rem; font-weight: 600; font-size: 0.9rem;
  border-radius: var(--radius-sm); transition: all var(--transition-normal); text-align: center;
}
.btn--primary { background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light)); color: var(--color-white); box-shadow: 0 4px 15px rgba(18,60,141,0.3); }
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 6px 25px rgba(18,60,141,0.4); color: var(--color-white); }
.btn--accent { background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light)); color: var(--color-primary-dark); box-shadow: var(--shadow-accent); }
.btn--accent:hover { transform: translateY(-2px); box-shadow: 0 6px 25px rgba(212,175,55,0.35); color: var(--color-primary-dark); }
.btn--outline { border: 2px solid var(--color-white); color: var(--color-white); background: transparent; }
.btn--outline:hover { background: var(--color-white); color: var(--color-primary); transform: translateY(-2px); }
.btn--outline-primary { border: 2px solid var(--color-primary); color: var(--color-primary); background: transparent; }
.btn--outline-primary:hover { background: var(--color-primary); color: var(--color-white); transform: translateY(-2px); }
.btn--small { padding: 0.5rem 1.25rem; font-size: 0.8rem; }
.btn--large { padding: 1rem 2.2rem; font-size: 1rem; }

/* ----- Badge ----- */
.badge {
  display: inline-block; padding: 0.3rem 0.9rem; font-size: 0.75rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.08em; border-radius: 50px;
  background: rgba(212,175,55,0.12); color: var(--color-accent-dark); margin-bottom: 0.75rem;
}
.section--dark .badge { background: rgba(255,255,255,0.1); color: var(--color-accent-light); }

/* ----- Cards ----- */
.card { background: var(--color-white); border-radius: var(--radius-md); padding: 2rem; box-shadow: var(--shadow-sm); transition: all var(--transition-normal); border: 1px solid var(--color-border); }
.card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.card__icon {
  width: 56px; height: 56px; display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-md); background: linear-gradient(135deg, rgba(18,60,141,0.06), rgba(212,175,55,0.06));
  margin-bottom: 1.25rem; color: var(--color-primary); transition: all var(--transition-normal);
}
.card:hover .card__icon { background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light)); color: var(--color-white); }
.card__title { font-family: var(--font-heading); font-size: 1.15rem; margin-bottom: 0.75rem; color: var(--color-primary); font-weight: 600; }
.card__text { color: var(--color-text-light); font-size: 0.92rem; margin-bottom: 0; }

/* ----- HEADER / NAV ----- */
.header {
  position: fixed; top: 0; left: 0; width: 100%; z-index: var(--z-sticky);
  background: rgba(255,255,255,0.95); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(222,226,233,0.5); transition: all var(--transition-normal);
}
.header--scrolled { box-shadow: var(--shadow-md); background: rgba(255,255,255,0.98); }
.header__inner { display: flex; align-items: center; justify-content: space-between; padding: 0.7rem 0; }
.header__logo { display: flex; align-items: center; gap: 0.75rem; color: var(--color-primary); }
.header__logo-icon {
  width: 40px; height: 40px; background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center;
  color: var(--color-white); font-family: var(--font-heading); font-weight: 700; font-size: 1rem;
}
.header__logo-text { font-family: var(--font-heading); font-weight: 700; font-size: 1.15rem; line-height: 1.2; color: var(--color-primary); }
.header__logo-sub { font-size: 0.6rem; font-weight: 500; font-family: var(--font-body); color: var(--color-text-light); letter-spacing: 0.1em; text-transform: uppercase; display: block; }

/* Language toggle */
.lang-toggle {
  display: inline-flex; align-items: center; gap: 0.4rem; padding: 0.35rem 0.75rem;
  font-size: 0.8rem; font-weight: 600; border-radius: 50px; border: 1.5px solid var(--color-border);
  color: var(--color-primary); background: var(--color-white); transition: all var(--transition-fast); cursor: pointer;
}
.lang-toggle:hover { border-color: var(--color-accent); background: rgba(212,175,55,0.06); }

/* Navigation */
.nav { display: flex; align-items: center; gap: 0.15rem; }
.nav__link { padding: 0.45rem 0.85rem; font-size: 0.85rem; font-weight: 500; color: var(--color-text); border-radius: var(--radius-sm); transition: all var(--transition-fast); position: relative; white-space: nowrap; }
.nav__link:hover, .nav__link--active { color: var(--color-primary); background: rgba(18,60,141,0.05); }
.nav__link--active::after { content: ''; position: absolute; bottom: 0; left: 50%; transform: translateX(-50%); width: 18px; height: 2px; background: var(--color-accent); border-radius: 1px; }
.header__actions { display: flex; align-items: center; gap: 0.4rem; }

/* Menu toggle */
.menu-toggle { display: none; flex-direction: column; gap: 5px; padding: 0.5rem; cursor: pointer; z-index: 10; }
.menu-toggle span { display: block; width: 22px; height: 2px; background: var(--color-primary); border-radius: 2px; transition: all var(--transition-fast); }
.menu-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle.active span:nth-child(2) { opacity: 0; transform: translateX(-10px); }
.menu-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Dark toggle */
.dark-toggle { width: 36px; height: 36px; border-radius: var(--radius-full); display: flex; align-items: center; justify-content: center; color: var(--color-primary); background: rgba(18,60,141,0.06); transition: all var(--transition-fast); }
.dark-toggle:hover { background: rgba(18,60,141,0.12); }

/* Mobile nav overlay */
.nav-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.4); z-index: calc(var(--z-sticky) - 1); opacity: 0; pointer-events: none; transition: opacity var(--transition-normal); }
.nav-overlay--visible { opacity: 1; pointer-events: all; }

/* ----- HERO ----- */
.hero { position: relative; min-height: 90vh; display: flex; align-items: center; padding: 7rem 1.5rem 4rem; overflow: hidden; }
.hero__bg { position: absolute; inset: 0; background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 50%, var(--color-primary-light) 100%); z-index: 0; }
.hero__bg::before { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse 80% 60% at 20% 80%, rgba(212,175,55,0.1) 0%, transparent 70%), radial-gradient(ellipse 60% 50% at 80% 20%, rgba(255,255,255,0.04) 0%, transparent 70%); }
.hero__pattern { position: absolute; inset: 0; z-index: 0; opacity: 0.35; pointer-events: none; }
.hero__pattern span { position: absolute; border: 1px solid rgba(212,175,55,0.12); border-radius: 50%; animation: heroFloat 20s infinite ease-in-out; }
.hero__pattern span:nth-child(1) { width:280px; height:280px; top:-100px; right:-50px; animation-delay:0s; }
.hero__pattern span:nth-child(2) { width:180px; height:180px; bottom:-40px; left:-30px; animation-delay:-6s; }
.hero__pattern span:nth-child(3) { width:120px; height:120px; top:35%; right:12%; animation-delay:-12s; }
@keyframes heroFloat { 0%, 100% { transform: translateY(0) scale(1); } 50% { transform: translateY(-24px) scale(1.04); } }
.hero__content { position: relative; z-index: 1; max-width: 680px; color: var(--color-white); }
.hero__badge { display: inline-block; padding: 0.35rem 1.1rem; font-size: 0.75rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.1em; border: 1px solid rgba(212,175,55,0.35); border-radius: 50px; color: var(--color-accent-light); margin-bottom: 1.25rem; background: rgba(212,175,55,0.08); }
.hero__title { font-family: var(--font-heading); font-size: clamp(2.2rem, 5vw, 3.6rem); color: var(--color-white); line-height: 1.15; margin-bottom: 1.25rem; font-weight: 700; }
.hero__title em { font-style: normal; color: var(--color-accent-light); }
.hero__subtitle { font-size: clamp(1rem, 1.8vw, 1.15rem); color: rgba(255,255,255,0.8); max-width: 520px; line-height: 1.8; margin-bottom: 2rem; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 1rem; margin-bottom: 3rem; }
.hero__stats { display: flex; gap: 2rem; flex-wrap: wrap; }
.hero__stat-item h3 { font-family: var(--font-heading); font-size: clamp(1.6rem, 3.5vw, 2.2rem); color: var(--color-accent-light); line-height: 1; margin-bottom: 0.25rem; font-weight: 700; }
.hero__stat-item p { font-size: 0.8rem; color: rgba(255,255,255,0.7); margin: 0; text-transform: uppercase; letter-spacing: 0.05em; }
.hero__stat-divider { width: 1px; background: rgba(255,255,255,0.15); }

/* ----- Animations ----- */
.animate-on-scroll { opacity: 0; transform: translateY(24px); transition: opacity 0.5s ease, transform 0.5s ease; }
.animate-on-scroll.animated { opacity: 1; transform: translateY(0); }
.animate-on-scroll--left { transform: translateX(-24px); }
.animate-on-scroll--left.animated { transform: translateX(0); }
.animate-on-scroll--right { transform: translateX(24px); }
.animate-on-scroll--right.animated { transform: translateX(0); }
.stagger-children > * { opacity: 0; transform: translateY(16px); transition: opacity 0.4s ease, transform 0.4s ease; }
.stagger-children.animated > *:nth-child(1) { transition-delay: 0.04s; }
.stagger-children.animated > *:nth-child(2) { transition-delay: 0.08s; }
.stagger-children.animated > *:nth-child(3) { transition-delay: 0.12s; }
.stagger-children.animated > *:nth-child(4) { transition-delay: 0.16s; }
.stagger-children.animated > *:nth-child(5) { transition-delay: 0.2s; }
.stagger-children.animated > *:nth-child(6) { transition-delay: 0.24s; }
.stagger-children.animated > * { opacity: 1; transform: translateY(0); }

/* ----- Features Grid ----- */
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: var(--gap-md); }

/* ----- Stats Section ----- */
.stats-section { background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary)); padding: 3.5rem 1.5rem; }
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 2rem; text-align: center; }
.stat-item__number { font-family: var(--font-heading); font-size: clamp(2.2rem, 4vw, 3rem); color: var(--color-accent-light); line-height: 1; margin-bottom: 0.4rem; font-weight: 700; }
.stat-item__label { font-size: 0.85rem; color: rgba(255,255,255,0.8); text-transform: uppercase; letter-spacing: 0.04em; }
/* ----- Course Cards ----- */
.course-card { position: relative; padding: 2rem; background: var(--color-white); border-radius: var(--radius-md); box-shadow: var(--shadow-sm); border: 1px solid var(--color-border); transition: all var(--transition-normal); overflow: hidden; }
.course-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: linear-gradient(90deg, var(--color-accent), var(--color-accent-light)); transform: scaleX(0); transform-origin: left; transition: transform var(--transition-normal); }
.course-card:hover::before { transform: scaleX(1); }
.course-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.course-card__number { font-family: var(--font-heading); font-size: 2.2rem; font-weight: 700; color: var(--color-primary); opacity: 0.06; position: absolute; top: 1rem; right: 1.5rem; line-height: 1; }
.course-card__subjects { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 1rem; }
.course-card__subject-tag { padding: 0.2rem 0.7rem; font-size: 0.78rem; font-weight: 500; background: rgba(18,60,141,0.06); color: var(--color-primary); border-radius: 50px; }

/* ----- Faculty Cards ----- */
.faculty-card { text-align: center; background: var(--color-white); border-radius: var(--radius-md); padding: 2rem 1.5rem; box-shadow: var(--shadow-sm); border: 1px solid var(--color-border); transition: all var(--transition-normal); }
.faculty-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.faculty-card__image { width: 110px; height: 110px; border-radius: var(--radius-full); object-fit: cover; margin: 0 auto 1.25rem; border: 3px solid var(--color-light); transition: all var(--transition-normal); }
.faculty-card:hover .faculty-card__image { border-color: var(--color-accent-light); box-shadow: 0 0 0 4px rgba(212,175,55,0.12); }
.faculty-card__name { font-family: var(--font-heading); font-size: 1.1rem; color: var(--color-primary); margin-bottom: 0.2rem; font-weight: 600; }
.faculty-card__role { font-size: 0.82rem; color: var(--color-accent-dark); font-weight: 600; margin-bottom: 0.5rem; }
.faculty-card__bio { font-size: 0.88rem; color: var(--color-text-light); margin-bottom: 0; }
.faculty-card__qualification { font-size: 0.78rem; color: var(--color-text-light); margin-top: 0.75rem; padding-top: 0.75rem; border-top: 1px solid var(--color-border); }

/* ----- Result Cards ----- */
.result-card { background: var(--color-white); border-radius: var(--radius-md); padding: 1.5rem; box-shadow: var(--shadow-sm); border: 1px solid var(--color-border); text-align: center; transition: all var(--transition-normal); }
.result-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.result-card__year { font-size: 0.9rem; font-weight: 600; color: var(--color-accent-dark); margin-bottom: 0.5rem; }
.result-card__percentage { font-family: var(--font-heading); font-size: 1.8rem; color: var(--color-primary); line-height: 1; margin-bottom: 0.25rem; font-weight: 700; }
.result-card__label { font-size: 0.82rem; color: var(--color-text-light); margin-bottom: 0; }

/* ----- Testimonial Cards ----- */
.testimonial-card { background: var(--color-white); border-radius: var(--radius-md); padding: 2rem; box-shadow: var(--shadow-sm); border: 1px solid var(--color-border); position: relative; }
.testimonial-card::before { content: '\201C'; font-family: var(--font-heading); font-size: 3.5rem; line-height: 1; color: var(--color-accent); opacity: 0.12; position: absolute; top: 1rem; left: 1.5rem; }
.testimonial-card__text { font-style: italic; color: var(--color-text); font-size: 0.95rem; line-height: 1.8; margin-bottom: 1.25rem; position: relative; z-index: 1; }
.testimonial-card__author { display: flex; align-items: center; gap: 0.75rem; }
.testimonial-card__avatar { width: 44px; height: 44px; border-radius: var(--radius-full); object-fit: cover; background: var(--color-light); }
.testimonial-card__name { font-weight: 600; font-size: 0.9rem; color: var(--color-primary); margin-bottom: 0.1rem; }
.testimonial-card__detail { font-size: 0.78rem; color: var(--color-text-light); }

/* ----- Carousel ----- */
.carousel { position: relative; overflow: hidden; }
.carousel__track { display: flex; transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1); }
.carousel__slide { flex: 0 0 100%; padding: 0 0.5rem; }
@media (min-width: 768px) { .carousel__slide { flex: 0 0 50%; } }
@media (min-width: 1024px) { .carousel__slide { flex: 0 0 33.333%; } }
.carousel__controls { display: flex; justify-content: center; gap: 0.75rem; margin-top: 1.5rem; }
.carousel__btn { width: 42px; height: 42px; border-radius: var(--radius-full); display: flex; align-items: center; justify-content: center; background: var(--color-white); border: 1px solid var(--color-border); color: var(--color-primary); transition: all var(--transition-fast); }
.carousel__btn:hover { background: var(--color-primary); color: var(--color-white); border-color: var(--color-primary); }
.carousel__dots { display: flex; justify-content: center; gap: 0.5rem; margin-top: 1.25rem; }
.carousel__dot { width: 10px; height: 10px; border-radius: var(--radius-full); background: var(--color-border); transition: all var(--transition-fast); cursor: pointer; }
.carousel__dot--active { background: var(--color-accent); width: 26px; border-radius: 5px; }

/* ----- Gallery ----- */
.gallery-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: var(--gap-sm); }
.gallery-item { position: relative; border-radius: var(--radius-md); overflow: hidden; cursor: pointer; aspect-ratio: 4 / 3; }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.gallery-item:hover img { transform: scale(1.06); }
.gallery-item__overlay { position: absolute; inset: 0; background: rgba(18,60,141,0.65); display: flex; align-items: center; justify-content: center; opacity: 0; transition: opacity var(--transition-normal); }
.gallery-item:hover .gallery-item__overlay { opacity: 1; }
.gallery-item__icon { color: var(--color-white); transform: scale(0.8); transition: transform var(--transition-normal); }
.gallery-item:hover .gallery-item__icon { transform: scale(1); }

/* ----- Lightbox ----- */
.lightbox { position: fixed; inset: 0; background: rgba(0,0,0,0.92); z-index: var(--z-modal); display: flex; align-items: center; justify-content: center; opacity: 0; pointer-events: none; transition: opacity var(--transition-normal); }
.lightbox--open { opacity: 1; pointer-events: all; }
.lightbox__img { max-width: 90vw; max-height: 85vh; border-radius: var(--radius-sm); box-shadow: var(--shadow-xl); transform: scale(0.92); transition: transform var(--transition-normal); }
.lightbox--open .lightbox__img { transform: scale(1); }
.lightbox__close { position: absolute; top: 1.25rem; right: 1.25rem; width: 44px; height: 44px; border-radius: var(--radius-full); background: rgba(255,255,255,0.1); color: var(--color-white); display: flex; align-items: center; justify-content: center; transition: all var(--transition-fast); }
.lightbox__close:hover { background: rgba(255,255,255,0.2); }
.lightbox__nav { position: absolute; top: 50%; transform: translateY(-50%); width: 44px; height: 44px; border-radius: var(--radius-full); background: rgba(255,255,255,0.1); color: var(--color-white); display: flex; align-items: center; justify-content: center; transition: all var(--transition-fast); }
.lightbox__nav:hover { background: rgba(255,255,255,0.2); }
.lightbox__nav--prev { left: 1.25rem; }
.lightbox__nav--next { right: 1.25rem; }
/* ----- Contact Form ----- */
.contact-form { display: grid; gap: 1.25rem; }
.form-group { display: flex; flex-direction: column; gap: 0.35rem; }
.form-group__label { font-size: 0.82rem; font-weight: 600; color: var(--color-primary); }
.form-group__input, .form-group__textarea, .form-group__select { padding: 0.8rem 1rem; border: 2px solid var(--color-border); border-radius: var(--radius-sm); background: var(--color-white); font-size: 0.92rem; color: var(--color-dark); transition: border-color var(--transition-fast); }
.form-group__input:focus, .form-group__textarea:focus, .form-group__select:focus { border-color: var(--color-accent); box-shadow: 0 0 0 4px rgba(212,175,55,0.08); }
.form-group__textarea { resize: vertical; min-height: 110px; }
.form-group__error { font-size: 0.78rem; color: var(--color-error); display: none; }
.form-group--invalid .form-group__input, .form-group--invalid .form-group__textarea { border-color: var(--color-error); }
.form-group--invalid .form-group__error { display: block; }

/* ----- FAQ ----- */
.faq-item { border-bottom: 1px solid var(--color-border); padding: 0.9rem 0; }
.faq-item:first-child { border-top: 1px solid var(--color-border); }
.faq-item__question { display: flex; justify-content: space-between; align-items: center; width: 100%; text-align: left; padding: 0.4rem 0; font-weight: 600; font-size: 1rem; color: var(--color-primary); cursor: pointer; gap: 1rem; }
.faq-item__icon { flex-shrink: 0; width: 20px; height: 20px; transition: transform var(--transition-fast); color: var(--color-accent); }
.faq-item--open .faq-item__icon { transform: rotate(45deg); }
.faq-item__answer { overflow: hidden; max-height: 0; transition: max-height 0.35s ease, padding 0.35s ease; padding: 0; }
.faq-item--open .faq-item__answer { max-height: 300px; padding: 0.75rem 0.5rem 0.25rem; }
.faq-item__answer p { color: var(--color-text-light); font-size: 0.92rem; margin: 0; }

/* ----- WhatsApp Float ----- */
.whatsapp-float { position: fixed; bottom: 1.5rem; right: 1.5rem; z-index: var(--z-overlay); width: 52px; height: 52px; border-radius: var(--radius-full); background: #25D366; color: var(--color-white); display: flex; align-items: center; justify-content: center; box-shadow: 0 4px 20px rgba(37,211,102,0.4); transition: all var(--transition-normal); }
.whatsapp-float:hover { transform: scale(1.08); box-shadow: 0 6px 28px rgba(37,211,102,0.5); color: var(--color-white); }
.whatsapp-float__tooltip { position: absolute; right: calc(100% + 12px); background: var(--color-white); color: var(--color-dark); padding: 0.45rem 0.9rem; border-radius: var(--radius-sm); font-size: 0.8rem; font-weight: 500; white-space: nowrap; box-shadow: var(--shadow-md); opacity: 0; pointer-events: none; transition: opacity var(--transition-fast); }
.whatsapp-float:hover .whatsapp-float__tooltip { opacity: 1; }

/* ----- Back to Top ----- */
.back-to-top { position: fixed; bottom: 1.5rem; left: 1.5rem; z-index: var(--z-overlay); width: 42px; height: 42px; border-radius: var(--radius-full); background: var(--color-primary); color: var(--color-white); display: flex; align-items: center; justify-content: center; box-shadow: var(--shadow-md); opacity: 0; transform: translateY(16px); pointer-events: none; transition: all var(--transition-normal); }
.back-to-top--visible { opacity: 1; transform: translateY(0); pointer-events: all; }
.back-to-top:hover { background: var(--color-primary-light); transform: translateY(-3px); }

/* ----- Page Header ----- */
.page-header { padding: 7rem 1.5rem 2.5rem; background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary)); color: var(--color-white); text-align: center; position: relative; overflow: hidden; }
.page-header__title { font-family: var(--font-heading); font-size: clamp(1.8rem, 3.5vw, 2.6rem); color: var(--color-white); margin-bottom: 0.5rem; font-weight: 700; }
.page-header__breadcrumb { font-size: 0.85rem; color: rgba(255,255,255,0.65); }
.page-header__breadcrumb a { color: var(--color-accent-light); }
.page-header__breadcrumb a:hover { color: var(--color-white); }

/* ----- Map ----- */
.map-container { width: 100%; height: 380px; border-radius: var(--radius-md); overflow: hidden; box-shadow: var(--shadow-md); }
.map-container iframe { width:100%; height:100%; border:none; }

/* ----- Contact Info ----- */
.contact-info { display: flex; flex-direction: column; gap: 1.25rem; }
.contact-info__item { display: flex; align-items: flex-start; gap: 0.75rem; }
.contact-info__icon { flex-shrink: 0; width: 44px; height: 44px; border-radius: var(--radius-sm); background: rgba(18,60,141,0.06); display: flex; align-items: center; justify-content: center; color: var(--color-primary); }
.contact-info__label { font-weight: 600; color: var(--color-primary); font-size: 0.9rem; margin-bottom: 0.15rem; }
.contact-info__value { color: var(--color-text-light); font-size: 0.88rem; margin: 0; line-height: 1.6; }

/* ----- Footer ----- */
.footer { background: var(--color-primary-dark); color: rgba(255,255,255,0.75); padding: 3.5rem 1.5rem 0; }
.footer__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: var(--gap-lg); max-width: var(--container-max); margin: 0 auto; }
.footer__col h4 { font-family: var(--font-heading); color: var(--color-white); margin-bottom: 1.15rem; font-size: 1rem; font-weight: 600; }
.footer__col p, .footer__col a { font-size: 0.85rem; color: rgba(255,255,255,0.6); line-height: 2.1; display: block; }
.footer__col a:hover { color: var(--color-accent-light); }
.footer__social { display: flex; gap: 0.75rem; margin-top: 0.75rem; }
.footer__social a { width: 38px; height: 38px; border-radius: var(--radius-full); border: 1px solid rgba(255,255,255,0.15); display: flex; align-items: center; justify-content: center; color: rgba(255,255,255,0.6); transition: all var(--transition-fast); }
.footer__social a:hover { background: var(--color-accent); border-color: var(--color-accent); color: var(--color-primary-dark); }
.footer__bottom { border-top: 1px solid rgba(255,255,255,0.08); padding: 1.25rem 0; margin-top: 2.5rem; text-align: center; font-size: 0.82rem; color: rgba(255,255,255,0.45); }
.footer__bottom a { color: var(--color-accent-light); display: inline; }

/* ----- Spinner ----- */
.spinner { width: 36px; height: 36px; border: 3px solid var(--color-border); border-top-color: var(--color-primary); border-radius: 50%; animation: spin 0.8s linear infinite; margin: 2rem auto; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ----- Grid Utilities ----- */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--gap-md); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--gap-md); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--gap-md); }

/* ----- Placeholder Image ----- */
.placeholder-img { background: linear-gradient(135deg, var(--color-light), var(--color-light-alt)); display: flex; align-items: center; justify-content: center; color: var(--color-text-light); font-size: 0.85rem; font-weight: 500; }

/* ----- Utility Classes ----- */
.text-center { text-align: center; }
.text-gold { color: var(--color-accent); }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
/* ----- Dark Mode ----- */
.dark-mode {
  --color-white: #0F172A; --color-light: #1A2332; --color-light-alt: #1E293B;
  --color-border: #334155; --color-text: #E2E8F0; --color-text-light: #94A3B8;
  --color-dark: #F1F5F9; --color-primary: #1E4FA0; --color-primary-light: #2A5FAE; --color-primary-dark: #0A1A3A;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.3); --shadow-md: 0 4px 20px rgba(0,0,0,0.4); --shadow-lg: 0 10px 40px rgba(0,0,0,0.5);
}
.dark-mode .header { background: rgba(15,23,42,0.95); border-bottom-color: rgba(51,65,85,0.5); }
.dark-mode .header--scrolled { background: rgba(15,23,42,0.98); }
.dark-mode .nav__link { color: var(--color-text); }
.dark-mode .nav__link:hover, .dark-mode .nav__link--active { color: var(--color-accent-light); background: rgba(212,175,55,0.08); }
.dark-mode .nav__link--active::after { background: var(--color-accent); }
.dark-mode .lang-toggle { background: var(--color-light-alt); border-color: var(--color-border); color: var(--color-text); }
.dark-mode .card, .dark-mode .course-card, .dark-mode .faculty-card, .dark-mode .result-card, .dark-mode .testimonial-card { background: var(--color-light); border-color: var(--color-border); }
.dark-mode .dark-toggle { color: var(--color-accent-light); background: rgba(212,175,55,0.1); }
.dark-mode .form-group__input, .dark-mode .form-group__textarea, .dark-mode .form-group__select { background: var(--color-light-alt); border-color: var(--color-border); color: var(--color-dark); }
.dark-mode .section--light { background: var(--color-light); }
.dark-mode .contact-info__icon { background: rgba(255,255,255,0.06); color: var(--color-accent-light); }

/* ----- Responsive ----- */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .menu-toggle { display: flex; }
  .nav {
    position: fixed; top: 0; right: -100%; width: 270px; height: 100vh;
    flex-direction: column; background: var(--color-white);
    box-shadow: -10px 0 40px rgba(0,0,0,0.1); padding: 5rem 1.5rem 2rem;
    gap: 0.25rem; transition: right var(--transition-normal); overflow-y: auto; align-items: stretch;
  }
  .nav--open { right: 0; }
  .nav__link { padding: 0.7rem 1rem; font-size: 0.95rem; }
  .nav__link--active::after { display: none; }
  .hero { min-height: auto; padding: 6rem 1.5rem 3rem; }
  .hero__stats { gap: 1.5rem; }
  .hero__stat-divider { display: none; }
  .page-header { padding: 6rem 1.5rem 2rem; }
  .back-to-top { bottom: 1rem; left: 1rem; width: 38px; height: 38px; }
  .whatsapp-float { bottom: 1rem; right: 1rem; width: 46px; height: 46px; }
  .lightbox__nav { width: 38px; height: 38px; }
  .lightbox__nav--prev { left: 0.5rem; }
  .lightbox__nav--next { right: 0.5rem; }
}
@media (max-width: 480px) {
  .hero__actions { flex-direction: column; }
  .hero__actions .btn { width: 100%; }
  .footer__grid { grid-template-columns: 1fr; }
}

/* ----- Print ----- */
@media print { .header, .whatsapp-float, .back-to-top, .menu-toggle, .dark-toggle, .lang-toggle { display: none !important; } }