/* ==========================================================================
   Motilal Nehru Vidhi Mahavidyalaya — Design System
   Palette sourced from the college's official logo (sampled, not guessed).
   Typography: Source Serif 4 (editorial/judicial display) + IBM Plex Sans
   (clean institutional body, with Devanagari support for Hindi text).
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Source+Serif+4:ital,opsz,wght@0,8..60,400;0,8..60,500;0,8..60,600;0,8..60,700;1,8..60,500&family=IBM+Plex+Sans:wght@400;500;600;700&family=IBM+Plex+Sans+Devanagari:wght@400;500;600&display=swap');

:root{
  /* ---- Brand palette, sourced from the logo ---- */
  --color-primary:      #241B52;   /* deep indigo-navy — lettering ring */
  --color-primary-700:  #171041;
  --color-primary-100:  #EAE8F2;
  --color-secondary:    #A6890F;   /* antique gold — outer ring */
  --color-secondary-700:#7C6608;
  --color-secondary-100:#F6EFD6;
  --color-accent:       #D9691A;   /* burnt orange — bird / scales */
  --color-maroon:       #8C2C2C;   /* motto red — used sparingly */
  --color-dark:         #14102A;   /* near-black navy, footer / dark sections */

  --color-background:   #FBF9F4;   /* warm ivory, not stock white */
  --color-surface:      #FFFFFF;
  --color-text:         #1C1730;
  --color-muted:        #635C78;
  --color-border:       #E4DFCE;

  /* ---- Type scale ---- */
  --font-display: 'Source Serif 4', 'Noto Serif Devanagari', serif;
  --font-body: 'IBM Plex Sans', 'IBM Plex Sans Devanagari', -apple-system, sans-serif;

  --step-1: clamp(1.9rem, 1.5rem + 1.8vw, 3.4rem);
  --step-2: clamp(1.5rem, 1.25rem + 1.1vw, 2.25rem);
  --step-3: clamp(1.15rem, 1.05rem + 0.5vw, 1.5rem);

  /* ---- Layout ---- */
  --max-width: 1240px;
  --gutter: clamp(1.25rem, 4vw, 3rem);
  --section-space: clamp(4rem, 8vw, 7.5rem);
  --radius-sm: 3px;
  --radius-md: 6px;
}

/* ---- Reset ---- */
*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  font-family: var(--font-body);
  background: var(--color-background);
  color: var(--color-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img{ max-width:100%; display:block; }
a{ color: inherit; text-decoration:none; }
ul{ margin:0; padding:0; list-style:none; }
button{ font-family:inherit; cursor:pointer; }
h1,h2,h3,h4{ font-family: var(--font-display); font-weight:600; line-height:1.15; margin:0; color: var(--color-primary); }
p{ margin:0 0 1rem; max-width: 62ch; }
:focus-visible{ outline: 2px solid var(--color-accent); outline-offset: 3px; }
@media (prefers-reduced-motion: reduce){
  *{ animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}

.container{
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.section{ padding: var(--section-space) 0; }
.section--surface{ background: var(--color-surface); }
.section--dark{ background: var(--color-dark); color: #EDEAF7; }
.section--dark h1, .section--dark h2, .section--dark h3{ color: #F5F0DC; }
.section--dark p{ color: #C7C1DC; }

.eyebrow{
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-secondary-700);
  letter-spacing: 0.02em;
  margin: 0 0 0.6rem;
}
.eyebrow::before{
  content:"";
  display:inline-block;
  width: 22px;
  height: 2px;
  background: var(--color-accent);
  margin-right: 10px;
  vertical-align: middle;
}

.section-head{ max-width: 640px; margin-bottom: 2.75rem; }
.section-head p{ color: var(--color-muted); font-size: 1.05rem; }

/* ---- Buttons ---- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:0.55rem;
  padding: 0.85rem 1.7rem;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}
.btn--primary{ background: var(--color-primary); color: #fff; }
.btn--primary:hover{ background: var(--color-primary-700); }
.btn--accent{ background: var(--color-accent); color: #fff; }
.btn--accent:hover{ background: #B85714; }
.btn--outline{ border-color: currentColor; color: var(--color-primary); background: transparent; }
.btn--outline:hover{ background: var(--color-primary); color: #fff; }
.btn--outline-light{ border-color: rgba(255,255,255,0.5); color: #fff; }
.btn--outline-light:hover{ background: #fff; color: var(--color-primary); }

/* ==========================================================================
   Header
   ========================================================================== */
.site-header{
  position: sticky; top:0; z-index: 100;
  background: rgba(251,249,244,0.94);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
}
.site-header__bar{
  display:flex; align-items:center; justify-content:space-between;
  padding: 0.85rem var(--gutter);
  max-width: var(--max-width); margin:0 auto;
}
.brand{ display:flex; align-items:center; gap:0.75rem; min-width:0; }
.brand img{ width:52px; height:52px; flex-shrink:0; }
.brand__name{ font-family: var(--font-display); font-weight:600; font-size:1.02rem; color: var(--color-primary); line-height:1.2; }
.brand__sub{ font-size:0.72rem; color: var(--color-muted); letter-spacing:0.03em; }
@media (max-width: 399px){
  .brand img{ width:38px; height:38px; }
  .brand__name{ font-size:0.72rem; line-height:1.15; }
}

.nav-desktop{ display:none; }
@media (min-width: 960px){ .nav-desktop{ display:flex; align-items:center; gap: 1.9rem; } }
.nav-desktop > li{ position:relative; }
.nav-desktop > li > a{
  font-size: 0.92rem; font-weight:500; color: var(--color-text);
  padding: 0.5rem 0.1rem; display:flex; align-items:center; gap:0.3rem;
}
.nav-desktop > li > a:hover{ color: var(--color-accent); }
.nav-desktop .dropdown{
  position:absolute; top: 100%; left: -1rem; background: var(--color-surface);
  border: 1px solid var(--color-border); border-radius: var(--radius-md);
  min-width: 220px; padding: 0.5rem; box-shadow: 0 18px 40px rgba(20,16,42,0.12);
  opacity:0; visibility:hidden; transform: translateY(6px);
  transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s;
}
.nav-desktop > li:hover .dropdown{ opacity:1; visibility:visible; transform:translateY(0); }
.nav-desktop .dropdown a{ display:block; padding:0.55rem 0.75rem; font-size:0.88rem; border-radius:4px; }
.nav-desktop .dropdown a:hover{ background: var(--color-primary-100); color: var(--color-primary); }

.header__actions{ display:flex; align-items:center; gap:0.6rem; }
.header__admissions-btn{ display:none; }
@media (min-width: 400px){ .header__admissions-btn{ display:inline-flex; padding:0.55rem 1rem; font-size:0.85rem;} }
.header__phone{ display:none; font-size:0.85rem; font-weight:500; color: var(--color-primary); }
@media (min-width: 1140px){ .header__phone{ display:flex; align-items:center; gap:0.4rem;} }

.menu-toggle{
  display:flex; flex-direction:column; gap:5px; background:none; border:none; padding:8px;
}
@media (min-width: 960px){ .menu-toggle{ display:none; } }
.menu-toggle span{ width:22px; height:2px; background: var(--color-primary); border-radius:2px; }

.mobile-nav{
  position: fixed; inset:0; background: var(--color-primary); color:#fff;
  z-index: 200; transform: translateX(100%); transition: transform 0.3s ease;
  overflow-y:auto;
}
.mobile-nav.is-open{ transform: translateX(0); }
.mobile-nav__top{ display:flex; justify-content:space-between; align-items:center; padding: 1.1rem var(--gutter); border-bottom:1px solid rgba(255,255,255,0.15); }
.mobile-nav__close{ background:none; border:none; color:#fff; font-size:1.7rem; line-height:1; }
.mobile-nav ul{ padding: 1rem var(--gutter) 3rem; }
.mobile-nav li{ border-bottom: 1px solid rgba(255,255,255,0.12); }
.mobile-nav > div > ul > li > a{ display:flex; justify-content:space-between; padding: 0.95rem 0; font-size:1.05rem; font-weight:500; }
.mobile-nav .sub-list{ padding-left:1rem; display:none; }
.mobile-nav .sub-list.is-open{ display:block; }
.mobile-nav .sub-list a{ padding: 0.65rem 0; font-size:0.92rem; color:#CFC9E6; display:block; border:none; }

/* ==========================================================================
   Hero
   ========================================================================== */
.hero{
  position: relative;
  min-height: 82vh;
  display:flex; align-items:flex-end;
  color:#fff;
  overflow:hidden;
}
.hero__img{ position:absolute; inset:0; width:100%; height:100%; object-fit:cover; }
.hero__scrim{
  position:absolute; inset:0;
  background: linear-gradient(180deg, rgba(20,16,42,0.15) 0%, rgba(20,16,42,0.55) 62%, rgba(20,16,42,0.88) 100%);
}
.hero__content{ position:relative; z-index:2; padding: 3.5rem var(--gutter) 4.5rem; max-width: var(--max-width); margin:0 auto; width:100%; }
.hero__eyebrow{ font-size:0.85rem; letter-spacing:0.04em; color: #E8D68A; font-weight:600; margin-bottom:0.9rem; }
.hero__eyebrow::before{ background: var(--color-accent); }
.hero h1{ color:#fff; font-size: clamp(2.4rem, 1.8rem + 3.2vw, 4.6rem); max-width: 16ch; }
.hero__meta{ margin-top:1.4rem; display:flex; flex-wrap:wrap; gap: 1.6rem; color:#D9D4EC; font-size:0.98rem; }
.hero__meta strong{ color:#fff; font-weight:600; }
.hero__cta{ margin-top:2.1rem; display:flex; gap:1rem; flex-wrap:wrap; }

/* Page banner (inner pages) */
.page-banner{ position:relative; padding: 6.5rem var(--gutter) 3.5rem; color:#fff; overflow:hidden; }
.page-banner__img{ position:absolute; inset:0; width:100%; height:100%; object-fit:cover; }
.page-banner__scrim{ position:absolute; inset:0; background: linear-gradient(180deg, rgba(20,16,42,0.65), rgba(20,16,42,0.82)); }
.page-banner__inner{ position:relative; z-index:2; max-width: var(--max-width); margin:0 auto; }
.page-banner h1{ color:#fff; font-size: var(--step-1); }
.breadcrumbs{ font-size:0.85rem; color:#CBC4E3; margin-bottom:0.9rem; }
.breadcrumbs a:hover{ color: var(--color-accent); }
.breadcrumbs span{ margin: 0 0.4rem; color:#8e86ab; }

/* ==========================================================================
   Identity strip / stats
   ========================================================================== */
.identity-strip{
  display:grid; grid-template-columns: repeat(2,1fr); gap: 1.75rem 2.5rem;
  border-top:1px solid var(--color-border); border-bottom:1px solid var(--color-border);
  padding: 2.2rem 0;
}
@media (min-width: 720px){ .identity-strip{ grid-template-columns: repeat(4,1fr); } }
.identity-strip__item .value{ font-family: var(--font-display); font-size: 2rem; color: var(--color-primary); font-weight:600; }
.identity-strip__item .label{ font-size:0.85rem; color: var(--color-muted); margin-top:0.2rem; }

/* ==========================================================================
   About / editorial split
   ========================================================================== */
.split{ display:grid; gap: 2.5rem; align-items:center; }
@media (min-width: 900px){ .split{ grid-template-columns: 1fr 1fr; gap: 4rem; } }
.split--reverse{ direction: rtl; }
.split--reverse > *{ direction: ltr; }
.split__media{ position:relative; }
.split__media img{ width:100%; height:100%; object-fit:cover; border-radius: var(--radius-md); aspect-ratio: 4/5; }
.split__media .frame-tag{
  position:absolute; bottom:-1.1rem; left:-1.1rem; background: var(--color-secondary);
  color: var(--color-primary-700); font-family: var(--font-display); font-weight:600;
  padding: 1rem 1.3rem; border-radius: var(--radius-sm); font-size:1.6rem;
  box-shadow: 0 14px 30px rgba(166,137,15,0.35);
}
@media (max-width: 899px){ .split--reverse{ direction: ltr; } }

/* ==========================================================================
   Timeline (history — used only because it's a real sequence)
   ========================================================================== */
.timeline{ position:relative; padding-left: 2.2rem; border-left: 2px solid var(--color-border); }
.timeline__item{ position:relative; padding-bottom: 2.4rem; }
.timeline__item:last-child{ padding-bottom:0; }
.timeline__item::before{
  content:""; position:absolute; left:-2.32rem; top:0.3rem; width:10px; height:10px;
  border-radius:50%; background: var(--color-accent); border:3px solid var(--color-background);
  box-shadow: 0 0 0 2px var(--color-accent);
}
.timeline__year{ font-family: var(--font-display); font-size:1.4rem; color: var(--color-primary); font-weight:600; }

/* ==========================================================================
   Cards: faculty, event, blog, news
   ========================================================================== */
.grid{ display:grid; gap: 2rem; }
.grid--3{ grid-template-columns: 1fr; }
@media (min-width: 700px){ .grid--3{ grid-template-columns: repeat(2,1fr); } }
@media (min-width: 1020px){ .grid--3{ grid-template-columns: repeat(3,1fr); } }
.grid--2{ grid-template-columns: 1fr; }
@media (min-width: 760px){ .grid--2{ grid-template-columns: repeat(2,1fr); } }

.card{ background: var(--color-surface); border:1px solid var(--color-border); border-radius: var(--radius-md); overflow:hidden; }
.card__media{ aspect-ratio: 4/3; overflow:hidden; background: var(--color-primary-100); }
.card__media img{ width:100%; height:100%; object-fit:cover; transition: transform 0.5s ease; }
.card:hover .card__media img{ transform: scale(1.045); }
.card__body{ padding: 1.4rem 1.5rem 1.6rem; }
.card__meta{ font-size:0.78rem; color: var(--color-muted); display:flex; gap:0.7rem; align-items:center; margin-bottom:0.55rem; }
.card__meta .tag{ color: var(--color-accent); font-weight:600; }
.card__title{ font-size:1.18rem; margin-bottom:0.5rem; }
.card__title a:hover{ color: var(--color-accent); }
.card__excerpt{ color: var(--color-muted); font-size:0.94rem; margin-bottom:0; }
.card__link{ display:inline-flex; align-items:center; gap:0.4rem; margin-top:1rem; font-size:0.88rem; font-weight:600; color: var(--color-primary); }
.card__link:hover{ color: var(--color-accent); }

/* Faculty card variant */
.faculty-card{ text-align:left; }
.faculty-card .card__media{ aspect-ratio: 3/4; }
.faculty-card__role{ font-size:0.85rem; color: var(--color-accent); font-weight:600; margin-bottom:0.15rem; }

/* Featured blog (editorial, large) */
.featured-post{ display:grid; gap: 2rem; background: var(--color-surface); border:1px solid var(--color-border); border-radius: var(--radius-md); overflow:hidden; }
@media (min-width: 860px){ .featured-post{ grid-template-columns: 1.15fr 1fr; gap:0; } }
.featured-post__media{ aspect-ratio: 16/11; overflow:hidden; }
.featured-post__media img{ width:100%; height:100%; object-fit:cover; }
.featured-post__body{ padding: 2.2rem clamp(1.5rem, 3vw, 3rem); display:flex; flex-direction:column; justify-content:center; }
.featured-post__body h3{ font-size: var(--step-2); margin-bottom:0.9rem; }

/* ==========================================================================
   Gallery + Lightbox
   ========================================================================== */
.gallery-filters{ display:flex; flex-wrap:wrap; gap:0.6rem; margin-bottom:2.2rem; }
.gallery-filters button{
  background:transparent; border:1px solid var(--color-border); color: var(--color-muted);
  padding: 0.5rem 1.1rem; border-radius: 999px; font-size:0.86rem; font-weight:500;
  transition: all 0.2s ease;
}
.gallery-filters button:hover{ border-color: var(--color-primary); color: var(--color-primary); }
.gallery-filters button.is-active{ background: var(--color-primary); border-color: var(--color-primary); color:#fff; }

.gallery-masonry{ column-count:1; column-gap: 1.1rem; }
@media (min-width:640px){ .gallery-masonry{ column-count:2; } }
@media (min-width:1020px){ .gallery-masonry{ column-count:3; } }
.gallery-item{ break-inside: avoid; margin-bottom: 1.1rem; border-radius: var(--radius-md); overflow:hidden; position:relative; cursor:pointer; }
.gallery-item img{ width:100%; display:block; transition: transform 0.4s ease; }
.gallery-item:hover img{ transform: scale(1.04); }
.gallery-item__cap{
  position:absolute; inset:auto 0 0 0; padding: 1.6rem 1rem 0.8rem;
  background: linear-gradient(0deg, rgba(20,16,42,0.85), transparent);
  color:#fff; font-size:0.82rem; opacity:0; transition: opacity 0.25s ease;
}
.gallery-item:hover .gallery-item__cap{ opacity:1; }

.lightbox{ position:fixed; inset:0; background: rgba(15,12,30,0.94); z-index:300; display:none; align-items:center; justify-content:center; padding: 2rem; }
.lightbox.is-open{ display:flex; }
.lightbox img{ max-width: min(92vw, 1100px); max-height: 82vh; object-fit:contain; border-radius: 4px; }
.lightbox__cap{ position:absolute; bottom: 2rem; left:0; right:0; text-align:center; color:#EDEAF7; font-size:0.9rem; }
.lightbox__close, .lightbox__prev, .lightbox__next{
  position:absolute; background: rgba(255,255,255,0.08); border:1px solid rgba(255,255,255,0.25);
  color:#fff; width:44px; height:44px; border-radius:50%; display:flex; align-items:center; justify-content:center;
  font-size:1.3rem; transition: background 0.2s ease;
}
.lightbox__close:hover, .lightbox__prev:hover, .lightbox__next:hover{ background: rgba(255,255,255,0.2); }
.lightbox__close{ top:1.5rem; right:1.5rem; }
.lightbox__prev{ left:1.5rem; top:50%; transform:translateY(-50%); }
.lightbox__next{ right:1.5rem; top:50%; transform:translateY(-50%); }

/* ==========================================================================
   Placeholder blocks (honest "content pending" states — not fake filler)
   ========================================================================== */
.pending{
  border: 1.5px dashed var(--color-border);
  border-radius: var(--radius-md);
  padding: 2.4rem 1.8rem;
  text-align:center;
  color: var(--color-muted);
  background: rgba(166,137,15,0.04);
}
.pending strong{ display:block; color: var(--color-primary); font-family: var(--font-display); font-size:1.1rem; margin-bottom:0.4rem; }
.pending p{ margin: 0 auto; font-size:0.92rem; }

/* ==========================================================================
   CTA band
   ========================================================================== */
.cta-band{
  background: var(--color-primary);
  color:#fff; border-radius: var(--radius-md);
  padding: clamp(2.2rem, 5vw, 3.5rem);
  display:flex; flex-wrap:wrap; gap:1.5rem; align-items:center; justify-content:space-between;
}
.cta-band h3{ color:#fff; font-size: var(--step-2); max-width: 28ch; }
.cta-band p{ color:#CFC9E6; margin:0.5rem 0 0; }

/* ==========================================================================
   Forms
   ========================================================================== */
.form-grid{ display:grid; gap:1.2rem; }
@media (min-width:640px){ .form-grid--2{ grid-template-columns:1fr 1fr; } }
.field label{ display:block; font-size:0.85rem; font-weight:600; margin-bottom:0.4rem; color: var(--color-primary); }
.field input, .field textarea, .field select{
  width:100%; padding: 0.8rem 1rem; border:1px solid var(--color-border); border-radius: var(--radius-sm);
  font-family: inherit; font-size:0.95rem; background: var(--color-surface); color: var(--color-text);
}
.field input:focus, .field textarea:focus{ border-color: var(--color-primary); }

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer{ background: var(--color-dark); color:#C7C1DC; padding-top: 4.5rem; }
.footer-grid{ display:grid; gap:2.5rem; padding-bottom: 3rem; border-bottom:1px solid rgba(255,255,255,0.1); }
@media (min-width: 860px){ .footer-grid{ grid-template-columns: 1.4fr 1fr 1fr 1.2fr; } }
.footer-brand{ display:flex; align-items:center; gap:0.75rem; margin-bottom:1rem; }
.footer-brand img{ width:50px; }
.footer-brand__name{ font-family: var(--font-display); color:#F5F0DC; font-size:1.05rem; font-weight:600; }
.footer h4{ color:#F5F0DC; font-size:0.95rem; margin-bottom:1.1rem; }
.footer-links li{ margin-bottom:0.65rem; font-size:0.9rem; }
.footer-links a:hover{ color: var(--color-accent); }
.footer-bottom{ display:flex; flex-wrap:wrap; justify-content:space-between; gap:1rem; padding: 1.6rem 0; font-size:0.82rem; color:#8e86ab; }

/* Skip link */
.skip-link{ position:absolute; left:-999px; top:0; background: var(--color-primary); color:#fff; padding: 0.8rem 1.2rem; z-index:999; }
.skip-link:focus{ left: var(--gutter); top: var(--gutter); }

.reveal{ opacity:0; transform: translateY(18px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.is-visible{ opacity:1; transform:none; }