/* ==========================================================
   ADMISSIONGUIDE - DESIGN SYSTEM
   Palette: "Midcentury Touch"
   - Rose Mist: #E8C9CF
   - Deep Spruce: #063737
   - Terracotta Rust: #A25524
   - Academic Olive: #808000
   ========================================================== */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Plus+Jakarta+Sans:wght@400;500;600;700&family=Playfair+Display:ital,wght@0,600;0,700;1,600&display=swap');

:root {
  /* Brand Core Swatches */
  --color-spruce: #063737;
  --color-spruce-rgb: 6, 55, 55;
  --color-spruce-dark: #032121;
  --color-spruce-light: #0d4e4e;
  --color-spruce-subtle: #edf4f4;

  --color-terracotta: #A25524;
  --color-terracotta-rgb: 162, 85, 36;
  --color-terracotta-hover: #884319;
  --color-terracotta-subtle: #fcf1ea;

  --color-olive: #808000;
  --color-olive-rgb: 128, 128, 0;
  --color-olive-dark: #636300;
  --color-olive-subtle: #f7f8eb;

  --color-rose: #E8C9CF;
  --color-rose-rgb: 232, 201, 207;
  --color-rose-soft: #fcf6f7;
  --color-rose-dark: #cc9aa3;

  /* Surfaces & Canvas */
  --bg-page: #FBFBF8;
  --bg-card: #FFFFFF;
  --bg-subtle: #F5F5EE;
  
  /* Text */
  --text-main: #111e1e;
  --text-muted: #596a6a;
  --text-light: #899999;
  
  /* Borders & Shadows */
  --border-color: #E7ECE8;
  --border-focus: #A25524;
  --shadow-sm: 0 2px 8px rgba(6, 55, 55, 0.04);
  --shadow-md: 0 8px 24px rgba(6, 55, 55, 0.08);
  --shadow-lg: 0 18px 45px rgba(6, 55, 55, 0.12);
  --shadow-warm: 0 10px 30px rgba(162, 85, 36, 0.15);

  --font-heading: 'Outfit', sans-serif;
  --font-serif: 'Playfair Display', serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-pill: 50px;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-page);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6, .font-heading {
  font-family: var(--font-heading);
  color: var(--color-spruce);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.font-serif {
  font-family: var(--font-serif);
}

a {
  color: var(--color-spruce);
  text-decoration: none;
  transition: all 0.25s ease;
}

a:hover {
  color: var(--color-terracotta);
}

/* ==========================================================
   BUTTONS
   ========================================================== */
.btn {
  font-family: var(--font-heading);
  font-weight: 600;
  border-radius: var(--radius-pill);
  padding: 0.65rem 1.45rem;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.btn-spruce, .btn-primary {
  background-color: var(--color-spruce) !important;
  border-color: var(--color-spruce) !important;
  color: #FFFFFF !important;
}
.btn-spruce:hover, .btn-primary:hover {
  background-color: var(--color-spruce-light) !important;
  border-color: var(--color-spruce-light) !important;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(6, 55, 55, 0.25);
}

.btn-terracotta, .btn-accent {
  background-color: var(--color-terracotta) !important;
  border-color: var(--color-terracotta) !important;
  color: #FFFFFF !important;
}
.btn-terracotta:hover, .btn-accent:hover {
  background-color: var(--color-terracotta-hover) !important;
  border-color: var(--color-terracotta-hover) !important;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(162, 85, 36, 0.3);
}

.btn-olive {
  background-color: var(--color-olive) !important;
  border-color: var(--color-olive) !important;
  color: #FFFFFF !important;
}
.btn-olive:hover {
  background-color: var(--color-olive-dark) !important;
  border-color: var(--color-olive-dark) !important;
  transform: translateY(-2px);
}

.btn-rose {
  background-color: var(--color-rose) !important;
  border-color: var(--color-rose) !important;
  color: var(--color-spruce) !important;
}
.btn-rose:hover {
  background-color: var(--color-rose-dark) !important;
  border-color: var(--color-rose-dark) !important;
  transform: translateY(-2px);
}

.btn-outline-spruce {
  border: 1.5px solid var(--color-spruce);
  color: var(--color-spruce);
  background: transparent;
}
.btn-outline-spruce:hover {
  background-color: var(--color-spruce);
  color: #FFFFFF;
  transform: translateY(-2px);
}

.btn-outline-terracotta {
  border: 1.5px solid var(--color-terracotta);
  color: var(--color-terracotta);
  background: transparent;
}
.btn-outline-terracotta:hover {
  background-color: var(--color-terracotta);
  color: #FFFFFF;
  transform: translateY(-2px);
}

/* ==========================================================
   BADGES & ACCENTS
   ========================================================== */
.badge-spruce {
  background-color: var(--color-spruce);
  color: #FFFFFF;
  padding: 0.35rem 0.8rem;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: 0.78rem;
}

.badge-terracotta {
  background-color: var(--color-terracotta-subtle);
  color: var(--color-terracotta);
  border: 1px solid rgba(162, 85, 36, 0.25);
  padding: 0.35rem 0.8rem;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: 0.78rem;
}

.badge-olive {
  background-color: var(--color-olive-subtle);
  color: var(--color-olive);
  border: 1px solid rgba(128, 128, 0, 0.3);
  padding: 0.35rem 0.8rem;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: 0.78rem;
}

.badge-rose {
  background-color: var(--color-rose);
  color: var(--color-spruce);
  padding: 0.35rem 0.8rem;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: 0.78rem;
}

/* Color Utilities */
.text-spruce { color: var(--color-spruce) !important; }
.text-terracotta { color: var(--color-terracotta) !important; }
.text-olive { color: var(--color-olive) !important; }
.text-rose { color: var(--color-rose) !important; }

.bg-spruce { background-color: var(--color-spruce) !important; }
.bg-terracotta { background-color: var(--color-terracotta) !important; }
.bg-olive { background-color: var(--color-olive) !important; }
.bg-rose { background-color: var(--color-rose) !important; }

/* Dedicated Icon Button (Circular 38x38px) */
.btn-icon {
  width: 38px !important;
  height: 38px !important;
  min-width: 38px !important;
  max-width: 38px !important;
  min-height: 38px !important;
  max-height: 38px !important;
  padding: 0 !important;
  border-radius: 50% !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  overflow: hidden !important;
  vertical-align: middle;
  line-height: 1;
  flex-shrink: 0;
}

/* College Cover Brand Tag */
.college-brand-tag {
  background: #FFFFFF !important;
  color: var(--color-spruce) !important;
  font-weight: 700 !important;
  font-size: 0.8rem !important;
  padding: 0.35rem 0.75rem !important;
  border-radius: 8px !important;
  box-shadow: 0 4px 14px rgba(6, 55, 55, 0.22) !important;
  border: 1px solid rgba(6, 55, 55, 0.15) !important;
  display: inline-flex !important;
  align-items: center !important;
  gap: 0.35rem !important;
  letter-spacing: -0.01em;
}

.card-course-footer {
  margin-top: auto;
  padding-top: 0.85rem;
  border-top: 1px solid var(--border-color);
}

/* ==========================================================
   NAVIGATION BAR
   ========================================================== */
.navbar-custom {
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  padding: 0.85rem 0;
  position: sticky;
  top: 0;
  z-index: 1040;
  transition: all 0.3s ease;
}

.navbar-brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.45rem;
  color: var(--color-spruce);
}

.navbar-brand-logo .logo-icon {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, var(--color-spruce) 0%, var(--color-terracotta) 100%);
  color: #FFFFFF;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  box-shadow: 0 4px 12px rgba(6, 55, 55, 0.2);
}

.nav-link-custom {
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--color-spruce) !important;
  padding: 0.45rem 0.85rem !important;
  border-radius: var(--radius-pill);
  transition: all 0.2s ease;
  white-space: nowrap;
}

.nav-link-custom:hover, .nav-link-custom.active {
  color: var(--color-terracotta) !important;
  background-color: var(--color-terracotta-subtle);
}

/* ==========================================================
   HERO SECTION
   ========================================================== */
.hero-academic {
  position: relative;
  background: radial-gradient(circle at top right, rgba(232, 201, 207, 0.35) 0%, rgba(251, 251, 248, 1) 60%),
              radial-gradient(circle at bottom left, rgba(128, 128, 0, 0.08) 0%, transparent 50%);
  padding: 5rem 0 4rem;
  border-bottom: 1px solid var(--border-color);
}

.hero-pill-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 1.1rem;
  background-color: var(--color-rose);
  color: var(--color-spruce);
  font-weight: 700;
  font-size: 0.85rem;
  border-radius: var(--radius-pill);
  margin-bottom: 1.5rem;
}

.hero-title {
  font-size: 3.5rem;
  line-height: 1.15;
  color: var(--color-spruce);
  font-weight: 800;
  margin-bottom: 1.25rem;
}

.hero-highlight {
  color: var(--color-terracotta);
  position: relative;
}

.hero-subheading {
  font-size: 1.2rem;
  color: var(--text-muted);
  max-width: 620px;
  line-height: 1.6;
  margin-bottom: 2rem;
}

.search-box-elevated {
  background: #FFFFFF;
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-pill);
  padding: 0.5rem 0.6rem 0.5rem 1.5rem;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  max-width: 680px;
  transition: all 0.3s ease;
}

.search-box-elevated:focus-within {
  border-color: var(--color-terracotta);
  box-shadow: 0 10px 30px rgba(162, 85, 36, 0.15);
}

.search-box-elevated input {
  border: none;
  outline: none;
  font-size: 1.05rem;
  width: 100%;
  background: transparent;
  color: var(--color-spruce);
}

.quick-filter-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.25rem;
}

.quick-filter-pills a {
  background: #FFFFFF;
  border: 1px solid var(--border-color);
  color: var(--color-spruce);
  padding: 0.35rem 0.95rem;
  border-radius: var(--radius-pill);
  font-size: 0.85rem;
  font-weight: 600;
  transition: all 0.2s ease;
}

.quick-filter-pills a:hover {
  background: var(--color-terracotta);
  border-color: var(--color-terracotta);
  color: #FFFFFF;
}

/* ==========================================================
   STATS CARDS
   ========================================================== */
.stats-section {
  padding: 3rem 0;
  background-color: var(--bg-card);
  border-bottom: 1px solid var(--border-color);
}

.stat-item-card {
  background-color: var(--bg-page);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.75rem 1.5rem;
  text-align: center;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.stat-item-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--color-terracotta);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.stat-item-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.stat-item-card:hover::before {
  opacity: 1;
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 2.75rem;
  font-weight: 800;
  color: var(--color-spruce);
  line-height: 1;
  margin-bottom: 0.4rem;
}

.stat-label {
  font-weight: 600;
  color: var(--text-muted);
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ==========================================================
   CARDS: COLLEGES & COURSES
   ========================================================== */
.card-college {
  background: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.card-college:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(162, 85, 36, 0.35);
}

.college-cover-wrapper {
  position: relative;
  height: 190px;
  overflow: hidden;
  background-color: var(--color-spruce);
}

.college-cover-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.card-college:hover .college-cover-img {
  transform: scale(1.06);
}

.badge-nirf-rank {
  background: rgba(6, 55, 55, 0.88);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: #FFFFFF;
  border: 1px solid rgba(255, 255, 255, 0.25);
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.02em;
}

.college-card-body {
  padding: 1.25rem 1.25rem 1.15rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.college-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-spruce);
  margin-bottom: 0.35rem;
  line-height: 1.35;
  min-height: 3.1rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.college-location {
  color: var(--text-muted);
  font-size: 0.86rem;
  display: flex;
  align-items: center;
  gap: 0.35rem;
  margin-bottom: 0.85rem;
}

.college-metric-row {
  background: var(--bg-page);
  border-radius: var(--radius-md);
  padding: 0.75rem 0.9rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
  margin-bottom: 1rem;
  border: 1px solid var(--border-color);
}

.metric-item-label {
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
  font-weight: 600;
  letter-spacing: 0.03em;
}

.metric-item-val {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-spruce);
  font-size: 0.92rem;
}

.card-course {
  background: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem 1.35rem;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.card-course:hover {
  transform: translateY(-5px);
  border-color: var(--color-terracotta);
  box-shadow: var(--shadow-md);
}

.course-icon-box {
  width: 50px;
  height: 50px;
  border-radius: 14px;
  background-color: var(--color-spruce-subtle);
  border: 1px solid rgba(6, 55, 55, 0.1);
  color: var(--color-terracotta);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  margin-bottom: 1rem;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.card-course:hover .course-icon-box {
  background-color: var(--color-spruce);
  color: #FFFFFF;
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(6, 55, 55, 0.2);
}

.course-title-fixed {
  font-size: 1.05rem;
  line-height: 1.35;
  min-height: 2.85rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.course-desc-clamped {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.5;
  min-height: 2.6rem;
}

.filter-sidebar-sticky {
  position: sticky;
  top: 90px;
  z-index: 10;
}

@media (max-width: 991.98px) {
  .filter-sidebar-sticky {
    position: static;
    margin-bottom: 1.5rem;
  }
}

/* ==========================================================
   COMPARISON DRAWER / FLOATING BAR
   ========================================================== */
.compare-floating-bar {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%) translateY(120%);
  background: var(--color-spruce);
  color: #FFFFFF;
  border-radius: var(--radius-pill);
  padding: 0.75rem 1.75rem;
  box-shadow: 0 14px 40px rgba(6, 55, 55, 0.4);
  display: flex;
  align-items: center;
  gap: 1.5rem;
  z-index: 1050;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.compare-floating-bar.active {
  transform: translateX(-50%) translateY(0);
}

/* ==========================================================
   FOOTER
   ========================================================== */
.footer-academic {
  background-color: var(--color-spruce);
  color: #FFFFFF;
  padding: 5rem 0 2rem;
  margin-top: 5rem;
  border-top: 4px solid var(--color-terracotta);
}

.footer-academic h5 {
  color: #FFFFFF;
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  position: relative;
  display: inline-block;
}

.footer-academic h5::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 32px;
  height: 2.5px;
  background: var(--color-terracotta);
  border-radius: 2px;
}

.footer-link {
  color: #cedbda;
  display: block;
  margin-bottom: 0.65rem;
  font-size: 0.92rem;
  transition: all 0.2s ease;
}

.footer-link:hover {
  color: var(--color-rose);
  transform: translateX(4px);
}

.footer-bottom-bar {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  margin-top: 3.5rem;
  padding-top: 1.5rem;
  color: #9cb3b2;
  font-size: 0.88rem;
}

/* ==========================================================
   RESPONSIVE OVERRIDES
   ========================================================== */
@media (max-width: 991px) {
  .hero-title {
    font-size: 2.5rem;
  }
  .search-box-elevated {
    flex-direction: column;
    border-radius: var(--radius-lg);
    padding: 1rem;
  }
  .search-box-elevated button {
    width: 100%;
  }
}

@media (max-width: 576px) {
  .hero-title {
    font-size: 2.1rem;
  }
  .stat-number {
    font-size: 2.1rem;
  }
}

/* ==========================================================
   HERO MEDIA & 3D INTERACTIVE VIEWER (MIDCENTURY TOUCH)
   ========================================================== */
.hero-media-card {
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-lg);
  padding: 1.25rem;
  position: relative;
  transition: all 0.3s ease;
}

.hero-toggle-bar {
  display: flex;
  background: var(--bg-page);
  padding: 0.3rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-color);
  gap: 0.35rem;
  width: fit-content;
  margin-bottom: 1rem;
}

.hero-toggle-btn {
  border: none;
  background: transparent;
  padding: 0.45rem 1.15rem;
  border-radius: var(--radius-pill);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-spruce);
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.hero-toggle-btn.active {
  background: var(--color-spruce);
  color: #FFFFFF;
  box-shadow: 0 4px 14px rgba(6, 55, 55, 0.25);
}

.hero-photo-wrapper {
  position: relative;
  border-radius: 18px;
  overflow: hidden;
  height: 380px;
  box-shadow: 0 8px 24px rgba(6, 55, 55, 0.12);
}

.hero-photo-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.hero-photo-wrapper:hover .hero-photo-img {
  transform: scale(1.04);
}

.hero-floating-glass-card {
  position: absolute;
  bottom: 1rem;
  left: 1rem;
  right: 1rem;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: 14px;
  padding: 0.9rem 1.25rem;
  box-shadow: 0 12px 32px rgba(6, 55, 55, 0.18);
}

.canvas-3d-wrapper {
  position: relative;
  height: 380px;
  background: radial-gradient(circle at center, #0a4040 0%, #032121 100%);
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(6, 55, 55, 0.18);
}

#campus3dCanvasContainer {
  width: 100%;
  height: 100%;
}

.hub-3d-hud-container {
  position: absolute;
  bottom: 0.85rem;
  left: 0.85rem;
  right: 0.85rem;
  pointer-events: auto;
  z-index: 10;
}