/* ==========================================================================
   RESEARCH WITH SHAKIL - BESPOKE DESIGN SYSTEM
   Full Device Responsiveness (Desktops, Laptops, Tablets, Mobile Phones),
   Maximized Logo (1.75x scale), 90px Marquee Ticker, Hero Profile Collage,
   Course Cards Scroll Animations, Scholar Quote (Photo Left, Text Right)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Merriweather:ital,wght@0,400;0,700;0,900;1,400&display=swap');

:root {
  /* Primary Navy Palette */
  --navy: #0E264E;
  --navy-light: #1B3B6F;
  --navy-deep: #081A38;

  /* Neutrals */
  --bg-page: #ffffff;
  --surface: #F7F8FA;
  --card-bg: #FFFFFF;
  --border: #E2E5EA;
  --body: #2A2E35;
  --muted: #6B7280;

  /* Fonts */
  --font-heading: 'Merriweather', serif;
  --font-body: 'Inter', sans-serif;

  /* Shadows & Transitions */
  --shadow-sm: 0 2px 6px rgba(14, 38, 78, 0.05);
  --shadow-md: 0 10px 25px rgba(14, 38, 78, 0.08);
  --shadow-lg: 0 20px 40px rgba(14, 38, 78, 0.12);

  --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes pageFadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Continuous Marquee Ticker Animation */
@keyframes marqueeScroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-body);
  background-color: var(--bg-page);
  color: var(--body);
  line-height: 1.6;
  overflow-x: hidden;
  animation: pageFadeIn 0.4s ease-out forwards;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--navy);
  letter-spacing: -0.01em;
}

a {
  color: var(--navy);
  text-decoration: none;
  transition: var(--transition-fast);
}

a:hover {
  color: var(--navy-light);
}

.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section-padding {
  padding: 4.5rem 0;
}

/* White Navbar with Maximized Scaled Logo */
.navbar-white {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: #ffffff;
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--border);
  box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 98px;
}

/* Maximized Scaled Brand Logo */
.brand-logo-img {
  height: 92px;
  max-height: 92px;
  width: auto;
  object-fit: contain;
  background: transparent !important;
  padding: 0 !important;
  transform: scale(1.75);
  transform-origin: left center;
  margin-left: 0.5rem;
  filter: drop-shadow(0 4px 10px rgba(0, 0, 0, 0.22));
}

.mobile-nav-toggle {
  display: none;
  background: transparent;
  border: none;
  font-size: 1.6rem;
  color: var(--navy);
  cursor: pointer;
  padding: 0.5rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2.2rem;
  list-style: none;
}

.nav-item-dropdown {
  position: relative;
}

.nav-link {
  color: var(--navy) !important;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.9rem;
  padding: 0.75rem 0;
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  cursor: pointer;
}

.nav-link:hover, .nav-link.active {
  color: var(--navy-light) !important;
}

.nav-link.active::after, .nav-link:hover::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--navy);
  border-radius: 2px;
}

/* Sleek Dropdown Hover Menu */
.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 260px;
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: 0 15px 35px rgba(14, 38, 78, 0.12);
  padding: 0.75rem 0;
  list-style: none;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 1100;
}

.nav-item-dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-item {
  display: block;
  padding: 0.65rem 1.25rem;
  color: var(--navy);
  font-size: 0.88rem;
  font-weight: 600;
  transition: var(--transition-fast);
}

.dropdown-item:hover {
  background: var(--surface);
  color: var(--navy-light);
  padding-left: 1.5rem;
}

/* Primary Navy Buttons (#0E264E) */
.btn-navy, .btn-primary, .btn-gold, .btn-accent, .btn-mdi {
  background-color: var(--navy) !important;
  color: #ffffff !important;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.88rem;
  letter-spacing: 0.03em;
  padding: 0.85rem 1.8rem;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  transition: var(--transition-fast);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  text-decoration: none;
  box-shadow: 0 4px 12px rgba(14, 38, 78, 0.2);
}

.btn-navy:hover, .btn-primary:hover, .btn-gold:hover, .btn-accent:hover, .btn-mdi:hover {
  background-color: var(--navy-light) !important;
  color: #ffffff !important;
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(14, 38, 78, 0.3);
}

.btn-light-surface {
  background-color: var(--surface);
  color: var(--navy) !important;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.88rem;
  padding: 0.85rem 1.8rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  cursor: pointer;
  transition: var(--transition-fast);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  text-decoration: none;
}

.btn-light-surface:hover {
  background-color: #e2e8f0;
  color: var(--navy) !important;
}

/* MDi Style Hero Section with Highly Visible Campus Background Image */
.mdi-hero-section {
  position: relative;
  padding: 5.5rem 0 5rem 0;
  background: linear-gradient(180deg, rgba(8, 26, 56, 0.70) 0%, rgba(14, 38, 78, 0.78) 100%),
              url('/images/hero_campus_bg.jpg') center/cover no-repeat;
  border-bottom: 4px solid var(--navy-light);
  color: #ffffff;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 3.5rem;
  align-items: center;
}

.hero-title-mdi {
  font-family: var(--font-body);
  font-size: 3.25rem;
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 1.25rem;
  color: #ffffff;
  letter-spacing: -0.02em;
  animation: fadeInUp 0.5s ease-out forwards;
}

.hero-text-mdi {
  font-size: 1.1rem;
  color: #f1f5f9;
  line-height: 1.7;
  margin-bottom: 2.25rem;
  max-width: 580px;
  text-shadow: 0 1px 3px rgba(0,0,0,0.5);
  animation: fadeInUp 0.7s ease-out forwards;
}

/* HERO COLLAGE GRID (Blackboard Suit Photo Left + 5 Sub-Photos Right) */
.hero-prominent-collage {
  position: relative;
  background: rgba(8, 26, 56, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 16px;
  padding: 1rem;
  box-shadow: var(--shadow-lg);
  animation: fadeInUp 0.9s ease-out forwards;
}

.hero-prominent-collage::after {
  content: '';
  position: absolute;
  bottom: -14px;
  right: 20px;
  width: 160px;
  height: 18px;
  background: #ffffff;
  transform: skewX(-25deg);
}

.hero-profile-collage-layout {
  display: grid;
  grid-template-columns: 1.1fr 1.4fr;
  gap: 0.85rem;
  align-items: center;
}

.hero-big-profile-left {
  width: 100%;
  height: 355px;
  object-fit: cover;
  background: #ffffff;
  border-radius: 12px;
  padding: 4px;
  box-shadow: var(--shadow-sm);
}

.hero-subphotos-right-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.65rem;
}

.hero-subphoto-cell {
  width: 100%;
  height: 110px;
  object-fit: cover;
  border-radius: 8px;
}

/* Compact Stat Bar */
.stats-bar-compact {
  background: var(--navy-deep);
  color: #ffffff;
  padding: 1.25rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

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

.stat-card-compact {
  text-align: center;
  padding: 0.4rem 1rem;
  border-right: 1px solid rgba(255, 255, 255, 0.15);
}

.stat-card-compact:last-child {
  border-right: none;
}

.stat-number-compact {
  font-size: 1.95rem;
  font-weight: 800;
  font-family: var(--font-body);
  color: #ffffff;
  line-height: 1.1;
}

.stat-label-compact {
  color: #cbd5e1;
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 0.2rem;
}

/* HIGH-IMPACT 90PX MARQUEE TICKER BANNER ("TRUSTED BY:") */
.marquee-section {
  background: #ffffff;
  border-bottom: 1px solid var(--border);
  padding: 2.5rem 0;
  overflow: hidden;
}

.marquee-container {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

.marquee-label {
  font-family: var(--font-body);
  font-weight: 900;
  font-size: 1.3rem;
  color: var(--navy);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  white-space: nowrap;
  padding-right: 2rem;
  border-right: 3px solid var(--navy);
}

.marquee-wrapper {
  overflow: hidden;
  width: 100%;
  position: relative;
  mask-image: linear-gradient(to right, transparent, black 4%, black 96%, transparent);
}

.marquee-track {
  display: flex;
  align-items: center;
  gap: 4.5rem;
  width: max-content;
  animation: marqueeScroll 18s linear infinite;
}

.marquee-track:hover {
  animation-play-state: paused;
}

.marquee-item-img {
  height: 90px;
  max-height: 90px;
  width: auto;
  object-fit: contain;
  filter: contrast(110%);
}

/* NINE DOMAINS REAL DEPTH SECTION */
.domains-section {
  padding: 5.5rem 0;
  background: #ffffff;
  border-y: 1px solid var(--border);
}

.domains-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 4rem;
  align-items: start;
}

.domains-subtitle {
  color: #b91c1c;
  font-family: var(--font-body);
  font-weight: 800;
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

.domains-headline {
  font-family: var(--font-body);
  font-size: 3.1rem;
  font-weight: 900;
  color: var(--navy);
  line-height: 1.12;
  letter-spacing: -0.02em;
}

.domains-list-two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem 2.5rem;
}

.domain-item-row {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid #f1f5f9;
  transition: var(--transition-fast);
}

.domain-item-row:hover {
  border-bottom-color: var(--navy);
  transform: translateX(4px);
}

.domain-num {
  font-family: var(--font-body);
  font-weight: 800;
  font-size: 0.85rem;
  color: #b91c1c;
}

.domain-text {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--navy);
  line-height: 1.35;
}

/* Section Header */
.section-header {
  text-align: center;
  max-width: 750px;
  margin: 0 auto 3.5rem auto;
}

.section-subtitle {
  color: var(--navy);
  text-transform: uppercase;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  margin-bottom: 0.5rem;
}

.section-title {
  font-family: var(--font-body);
  font-size: 2.3rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
  color: var(--navy);
}

/* STICKY STACKING CARDS SCROLL SECTION */
.stacked-cards-container {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 2.75rem;
  padding-bottom: 3.5rem;
}

.stacked-card {
  position: sticky;
  top: 105px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 2.5rem 2.25rem;
  box-shadow: 0 15px 35px rgba(14, 38, 78, 0.07);
  transition: transform 0.35s cubic-bezier(0.25, 1, 0.5, 1), box-shadow 0.35s ease;
  will-change: transform;
}

.stacked-card:nth-child(1) { top: 105px; z-index: 10; }
.stacked-card:nth-child(2) { top: 125px; z-index: 20; }
.stacked-card:nth-child(3) { top: 145px; z-index: 30; }
.stacked-card:nth-child(4) { top: 165px; z-index: 40; }
.stacked-card:nth-child(5) { top: 175px; z-index: 50; }

.stacked-card-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 2.75rem;
  align-items: center;
}

.stacked-card-preview-img {
  width: 100%;
  height: 270px;
  object-fit: cover;
  border-radius: 14px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

.stacked-card-category {
  color: var(--navy);
  font-family: var(--font-body);
  font-weight: 800;
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.stacked-card-title {
  font-family: var(--font-body);
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--navy);
  line-height: 1.25;
  margin-bottom: 0.85rem;
}

.stacked-card-desc {
  color: var(--body);
  font-size: 0.96rem;
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.stacked-card-features {
  list-style: none;
  margin-bottom: 1.75rem;
}

.stacked-card-features li {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.92rem;
  color: var(--body);
  font-weight: 600;
  margin-bottom: 0.45rem;
}

.stacked-card-features i {
  color: var(--navy);
  font-weight: 900;
}

/* Udemy Course Card Layout & Dynamic Entrance Animations */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.udemy-course-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
  position: relative;
  opacity: 0;
  transition: opacity 0.85s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.85s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 0.3s ease, border-color 0.3s ease;
  will-change: transform, opacity;
}

.udemy-course-card.animate-slide-left {
  transform: translateX(-100px);
}

.udemy-course-card.animate-slide-right {
  transform: translateX(100px);
}

.udemy-course-card.animate-slide-bottom {
  transform: translateY(80px);
}

.udemy-course-card.in-view {
  opacity: 1;
  transform: translateX(0) translateY(0);
}

.udemy-course-card:hover {
  transform: translateY(-6px) !important;
  box-shadow: var(--shadow-md);
  border-color: var(--navy);
}

.udemy-thumbnail-wrapper {
  position: relative;
  width: 100%;
  height: 195px;
  border-radius: 10px;
  overflow: hidden;
  margin-bottom: 1.25rem;
  background: #f1f5f9;
}

.udemy-thumbnail-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-normal);
}

.udemy-course-card:hover .udemy-thumbnail-img {
  transform: scale(1.04);
}

.udemy-bestseller-badge {
  position: absolute;
  top: 10px;
  left: 10px;
  background: var(--navy);
  color: #ffffff;
  font-family: var(--font-body);
  font-weight: 800;
  font-size: 0.72rem;
  padding: 0.25rem 0.6rem;
  border-radius: 4px;
  z-index: 2;
}

.udemy-course-title {
  font-family: var(--font-body);
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--navy);
  line-height: 1.4;
  margin-bottom: 0.4rem;
}

.udemy-course-subtitle {
  font-size: 0.86rem;
  color: var(--body);
  line-height: 1.4;
  margin-bottom: 0.5rem;
}

.udemy-instructor {
  font-size: 0.82rem;
  color: var(--muted);
  margin-bottom: 0.75rem;
}

.udemy-tags-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1rem;
}

.udemy-tag-pill {
  border: 1px solid var(--border);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  font-size: 0.76rem;
  color: var(--body);
}

.udemy-tag-pill.rating {
  border-color: var(--navy);
  color: var(--navy);
  font-weight: 700;
}

.udemy-price-row {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  margin-top: auto;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border);
}

.udemy-current-price {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--navy);
}

.udemy-old-price {
  font-size: 0.9rem;
  color: var(--muted);
  text-decoration: line-through;
}

/* SCHOLAR QUOTE SECTION (Swapped Layout: Photo LEFT, Text RIGHT) */
.scholar-quote-section {
  background: var(--surface);
  padding: 5.5rem 0;
  border-y: 1px solid var(--border);
  overflow: hidden;
}

.scholar-quote-grid-photo-left {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 3.5rem;
  align-items: center;
}

.scroll-quote-img-left {
  opacity: 0;
  transform: translateX(-100vw);
  transition: opacity 0.9s cubic-bezier(0.16, 1, 0.3, 1), transform 1.1s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform, opacity;
}

.scroll-quote-img-left.in-view {
  opacity: 1;
  transform: translateX(0);
}

.scroll-quote-text-right {
  opacity: 0;
  transform: translateX(100vw);
  transition: opacity 0.9s cubic-bezier(0.16, 1, 0.3, 1), transform 1.1s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform, opacity;
}

.scroll-quote-text-right.in-view {
  opacity: 1;
  transform: translateX(0);
}

.scholar-photo-frame {
  position: relative;
  background: #ffffff;
  padding: 1.25rem;
  border-radius: 14px;
  box-shadow: 0 12px 30px rgba(14, 38, 78, 0.08);
  border: 1px solid var(--border);
}

.scholar-photo-img {
  width: 100%;
  height: 360px;
  object-fit: contain;
  border-radius: 8px;
  background: #ffffff;
}

.scholar-quote-text {
  font-family: var(--font-body);
  font-size: 2.1rem;
  font-weight: 800;
  color: var(--navy);
  line-height: 1.35;
  margin-bottom: 1.5rem;
}

.scholar-quote-text::after {
  content: '';
  display: block;
  width: 60px;
  height: 4px;
  background: var(--navy);
  margin-top: 1.25rem;
  border-radius: 2px;
}

.scholar-author-name {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--navy);
}

.scholar-author-tag {
  font-size: 0.8rem;
  font-weight: 800;
  color: #b91c1c;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-top: 0.2rem;
}

/* Contact Page Form */
.form-grid-responsive {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-family: var(--font-body);
  font-weight: 700;
  text-transform: uppercase;
  color: var(--navy);
  margin-bottom: 0.4rem;
}

.form-control {
  width: 100%;
  padding: 0.85rem 1.1rem;
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--body);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--navy);
  box-shadow: 0 0 0 3px rgba(14, 38, 78, 0.15);
}

textarea.form-control {
  min-height: 120px;
  resize: vertical;
}

/* Floating WhatsApp Button */
.whatsapp-float {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 58px;
  height: 58px;
  background: #25d366;
  color: #ffffff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  box-shadow: 0 10px 25px rgba(37, 211, 102, 0.4);
  z-index: 999;
}

/* Primary Navy Footer */
.footer-navy {
  background: var(--navy-deep);
  color: #ffffff;
  padding: 4.5rem 0 2rem 0;
  font-family: var(--font-body);
  border-top: 4px solid var(--navy);
}

.footer-grid-navy {
  display: grid;
  grid-template-columns: 2.2fr 1fr 1fr 1fr;
  gap: 3.5rem;
  margin-bottom: 3.5rem;
}

.footer-col-title {
  font-family: var(--font-body);
  font-size: 1.15rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 1.25rem;
}

.footer-links-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.footer-links-list a {
  color: #cbd5e1;
  font-size: 0.9rem;
  transition: var(--transition-fast);
}

.footer-links-list a:hover {
  color: #ffffff;
}

.footer-bottom-bar {
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  padding-top: 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: #cbd5e1;
  font-size: 0.88rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-social-boxes {
  display: flex;
  gap: 0.5rem;
}

.social-box-icon {
  width: 32px;
  height: 32px;
  background: rgba(255, 255, 255, 0.1);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  font-size: 0.85rem;
  transition: var(--transition-fast);
}

.social-box-icon:hover {
  background: #ffffff;
  color: var(--navy);
}

/* ==========================================================================
   COMPREHENSIVE DEVICE RESPONSIVENESS BREAKPOINTS
   ========================================================================== */

/* Laptops & Tablets (max-width: 992px) */
@media (max-width: 992px) {
  .nav-container {
    height: 85px;
  }

  .brand-logo-img {
    height: 75px;
    max-height: 75px;
    transform: scale(1.35);
  }

  .mobile-nav-toggle {
    display: block;
  }

  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: #ffffff;
    flex-direction: column;
    align-items: flex-start;
    padding: 1.5rem 2rem;
    gap: 1.2rem;
    box-shadow: 0 15px 30px rgba(0,0,0,0.1);
    border-bottom: 2px solid var(--navy);
    display: none;
    z-index: 1050;
  }

  .nav-links.mobile-active {
    display: flex;
    animation: fadeInUp 0.3s ease-out forwards;
  }

  .nav-item-dropdown {
    width: 100%;
  }

  .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    padding-left: 1rem;
    margin-top: 0.5rem;
    display: none;
  }

  .nav-item-dropdown:hover .dropdown-menu,
  .nav-item-dropdown:focus-within .dropdown-menu {
    display: block;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .hero-title-mdi {
    font-size: 2.5rem;
  }

  .hero-profile-collage-layout {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .hero-big-profile-left {
    height: 300px;
  }

  .stats-grid-compact {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
  }

  .stat-card-compact:nth-child(2) {
    border-right: none;
  }

  .scholar-quote-grid-photo-left {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .domains-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .stacked-card-grid {
    grid-template-columns: 1fr;
    gap: 1.75rem;
  }

  .footer-grid-navy {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
  }
}

/* Small Tablets & Mobile Phones (max-width: 768px) */
@media (max-width: 768px) {
  .section-padding {
    padding: 3.25rem 0;
  }

  .hero-title-mdi {
    font-size: 2.1rem;
  }

  .hero-text-mdi {
    font-size: 0.98rem;
  }

  .marquee-container {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }

  .marquee-label {
    border-right: none;
    border-bottom: 2px solid var(--navy);
    padding-right: 0;
    padding-bottom: 0.5rem;
    font-size: 1.1rem;
  }

  .marquee-item-img {
    height: 70px;
    max-height: 70px;
  }

  .domains-headline {
    font-size: 2.4rem;
  }

  .domains-list-two-col {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .cards-grid {
    grid-template-columns: 1fr;
  }

  .scholar-quote-text {
    font-size: 1.5rem;
  }

  .form-grid-responsive {
    grid-template-columns: 1fr;
  }

  .nav-cta-wrapper {
    display: none;
  }
}

/* Small Mobile Devices (max-width: 480px) */
@media (max-width: 480px) {
  .brand-logo-img {
    height: 60px;
    max-height: 60px;
    transform: scale(1.2);
    margin-left: 0;
  }

  .hero-subphotos-right-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero-big-profile-left {
    height: 250px;
  }

  .stats-grid-compact {
    grid-template-columns: 1fr;
  }

  .stat-card-compact {
    border-right: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
    padding-bottom: 0.8rem;
  }

  .footer-grid-navy {
    grid-template-columns: 1fr;
  }

  .whatsapp-float {
    width: 48px;
    height: 48px;
    font-size: 1.4rem;
    bottom: 1.25rem;
    right: 1.25rem;
  }
}

/* Under Development Top Banner */
.under-development-banner {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  color: #ffffff;
  padding: 1.25rem 1rem;
  border-bottom: 4px solid #f59e0b;
  text-align: center;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.18);
  position: relative;
  z-index: 99;
}

.under-development-container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.under-development-badge {
  background: #f59e0b;
  color: #0f172a;
  padding: 0.4rem 1rem;
  border-radius: 50px;
  font-weight: 800;
  font-size: 0.88rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  box-shadow: 0 2px 8px rgba(245, 158, 11, 0.4);
}

.under-development-title {
  font-size: 2.25rem;
  font-weight: 800;
  color: #ffffff;
  margin: 0;
  font-family: var(--font-body), sans-serif;
  letter-spacing: -0.01em;
  line-height: 1.2;
}

@media (max-width: 768px) {
  .under-development-title {
    font-size: 1.6rem;
  }
}

@media (max-width: 480px) {
  .under-development-title {
    font-size: 1.35rem;
  }
}