/* ==========================================================================
   1. OGGNTECH — DESIGN TOKENS, FONTS & VARIABLES
   ========================================================================== */
@import url('https://fonts.googleapis.com/css2?family=Nunito:wght@600;700;800;900&family=Plus+Jakarta+Sans:wght@400;500;600;700&family=Playfair+Display:ital@1&family=Fira+Code:wght@400;600&display=swap');

:root {
  /* Color Palette */
  --teal-950:      #03201a;
  --teal-900:      #063d30;
  --teal-800:      #0a5540;
  --teal-700:      #0d6e50;
  --teal-600:      #0f8862;
  --teal-500:      #12a878;
  --teal-400:      #1fcf96;
  --teal-300:      #5eddb3;
  --teal-200:      #9decd1;
  --teal-100:      #cef5e9;
  --teal-50:       #eafaf4;

  --ink:           #060f0c;
  --ink-muted:     #3a5248;
  --ink-faint:     #6b8a7e;
  --surface:       #ffffff;
  --surface-2:     #f4fbf8;
  --border:        rgba(15, 136, 98, 0.15);
  --border-mid:    rgba(15, 136, 98, 0.28);

  /* Typography */
  --font-display:  'Nunito', sans-serif;
  --font-body:     'Plus Jakarta Sans', sans-serif;
  --font-script:   'Playfair Display', serif;
  --font-mono:     'Fira Code', monospace;

  /* Shadows & Systems */
  --shadow-card:   0 2px 12px rgba(6, 110, 80, 0.08), 0 8px 32px rgba(6, 110, 80, 0.06);
  --shadow-nav:    0 1px 0 var(--border);
  --shadow-lift:   0 8px 40px rgba(6, 110, 80, 0.16);

  /* Easing Smoothness */
  --ease-out-quart: cubic-bezier(0.25, 1, 0.5, 1);
  --ease-spring:    cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ==========================================================================
   2. RESET & BASE CONFIG
   ========================================================================== */
*, *::before, *::after { 
  box-sizing: border-box; 
  margin: 0; 
  padding: 0; 
}

html, body {
  overflow-x: hidden;
  width: 100%;
}

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

body {
  font-family: var(--font-body);
  background: var(--surface-2);
  color: var(--ink);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { 
  text-decoration: none; 
  color: inherit; 
}

img { 
  display: block; 
  max-width: 100%; 
}

/* ==========================================================================
   3. ANNOUNCEMENT TICKER
   ========================================================================== */
.ticker-wrap {
  background: var(--teal-900);
  overflow: hidden;
  white-space: nowrap;
  padding: 10px 0;
}

.ticker-track {
  display: inline-flex;
  gap: 0;
  animation: marquee 32s linear infinite;
}

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

.ticker-track span {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--teal-200);
  text-transform: uppercase;
  padding: 0 40px;
}

.ticker-track span::before {
  content: "✦";
  color: var(--teal-400);
  font-size: 10px;
}

@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ==========================================================================
   4. HEADER / NAVIGATION BAR
   ========================================================================== */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--surface);
  padding: 0 40px;
  height: 64px;
  position: fixed;
  top: 0;
  width:100%;
  z-index: 9999;
  box-shadow: var(--shadow-nav);
  border-bottom: 1px solid var(--border);
}
/* NAVBAR */
.navbar{
    position: relative;
    z-index: 1000;
}

/* HERO LAYERS */
.hero-overlay,
.hero-grid,
.hero-bg{
    pointer-events: none;
}

.logo {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 800;
  color: var(--ink);
  letter-spacing: -0.02em;
  flex-shrink: 0;
}

.logo span { 
  color: var(--teal-600); 
}

.menu {
  display: flex;
  align-items: center;
  gap: 2px;
  flex-wrap: nowrap;
  overflow-x: auto;
  -ms-overflow-style: none;
  scrollbar-width: none;
}

.menu::-webkit-scrollbar { 
  display: none; 
}

.menu.show {
  display: flex !important;
}

.dropdown { 
  position: relative; 
}

.menu > .dropdown > a {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-muted);
  padding: 8px 12px;
  border-radius: 8px;
  display: inline-block;
  white-space: nowrap;
  transition: color 0.18s, background 0.18s;
}

.menu > .dropdown > a:hover,
.menu > .dropdown > a.active {
  color: var(--teal-700);
  background: var(--teal-50);
}

.menu > .dropdown > a.active { 
  font-weight: 600; 
}

.dropdown-content {
  display: none;
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  background: var(--surface);
  min-width: 180px;
  border-radius: 12px;
  border: 1px solid var(--border-mid);
  box-shadow: 0 12px 40px rgba(0,0,0,0.10);
  overflow: hidden;
  z-index: 200;
}

.dropdown:hover .dropdown-content,
.dropdown.open .dropdown-content { 
  display: block; 
}

.dropdown-content a {
  display: flex;
  align-items: center;
  padding: 10px 16px;
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-muted);
  border-left: 2px solid transparent;
  transition: background 0.15s, color 0.15s, border-color 0.15s, padding-left 0.15s;
}

.dropdown-content a:hover {
  background: var(--teal-50);
  color: var(--teal-700);
  border-left-color: var(--teal-500);
  padding-left: 22px;
}

.hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  border-radius: 8px;
  transition: background 0.15s;
}

.hamburger:hover { 
  background: var(--teal-50); 
}

.hamburger-icon {
  display: flex;
  flex-direction: column;
  gap: 5px;
  width: 22px;
}

.hamburger-icon span {
  display: block;
  height: 2px;
  background: var(--ink-muted);
  border-radius: 2px;
  transition: transform 0.25s, opacity 0.25s;
}

.hamburger.open .hamburger-icon span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open .hamburger-icon span:nth-child(2) { opacity: 0; }
.hamburger.open .hamburger-icon span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ==========================================================================
   5. PREMIUM HERO SECTION WITH BACKGROUND SLIDESHOW
   ========================================================================== */
.hero {
  position: relative;
  min-height: 92vh;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 120px 24px 80px;
  text-align: center;
  background: #041d17;
  z-index:1;
}

/* hero::before removed — was blocking background images */

.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  z-index: 0;
  transition: opacity 1.2s ease;
}

.hero-bg[data-bg="1"] { background-image: url('../img/oggntech_1.jpg'); }
.hero-bg[data-bg="2"] { background-image: url('../img/oggntech_2.jpg'); }
.hero-bg[data-bg="3"] { background-image: url('../img/oggntech_3.png'); }

.hero-bg.active {
  opacity: 1;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    rgba(2, 12, 10, 0.55) 0%,
    rgba(2, 12, 10, 0.70) 100%
  );
  z-index: 1;
  pointer-events: none;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size: 52px 52px;
  z-index: 2;
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 3;
  max-width: 900px;
  width: 100%;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(31,207,150,0.12);
  border: 1px solid rgba(31,207,150,0.25);
  color: var(--teal-300);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 28px;
}

.hero-badge::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--teal-400);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.5; transform: scale(0.75); }
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(36px, 6.5vw, 74px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: #fff;
  margin-bottom: 26px;
  word-break: keep-all;
}

/* "Welcome to" — elegant italic serif, lighter weight */
.hero-welcome {
  display: block;
  font-family: var(--font-script);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(22px, 3.5vw, 42px);
  letter-spacing: 0.01em;
  color: rgba(255, 255, 255, 0.72);
  margin-bottom: 4px;
}

/* "oggntech" — stays bold Syne, teal accent */
.hero h1 em {
  font-family: var(--font-display);
  font-style: normal;
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--teal-300);
}

.hero-sub {
  font-size: 17px;
  line-height: 1.7;
  color: rgba(255,255,255,0.72);
  max-width: 700px;
  margin: 0 auto 36px;
}

.hero-sub strong {
  color: rgba(255,255,255,0.85);
  font-weight: 500;
}

/* Content Ticker Carousel Setup */
.hero-carousel {
  position: relative;
  width: 100%;
  max-width: 920px;
  margin: 28px auto 38px;
  padding: 0 14px;
  min-height: 84px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.carousel-slide {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 0 20px;
  font-family: var(--font-body);
  font-size: clamp(16px, 2.2vw, 21px);
  font-weight: 500;
  line-height: 1.7;
  color: rgba(255,255,255,0.86);
  opacity: 0;
  visibility: hidden;
  transform: translateY(18px);
  transition: opacity 0.7s ease, transform 0.7s ease, visibility 0s linear 0.7s;
}

.carousel-slide.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  transition: opacity 0.7s ease, transform 0.7s ease, visibility 0s linear 0s;
}

.slide-highlight {
  color: var(--teal-300);
  font-weight: 700;
  margin-right: 8px;
}

.carousel-slide strong {
  color: #ffffff;
  font-weight: 700;
}

/* Call To Actions Buttons */
.hero-ctas {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-ctas a {
  min-width: 170px;
  justify-content: center;
}

.btn-hero-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--teal-400);
  color: var(--teal-950);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 14px;
  padding: 13px 28px;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  letter-spacing: 0.01em;
  transition: background 0.18s, transform 0.18s var(--ease-spring), box-shadow 0.18s;
}

.btn-hero-primary:hover {
  background: var(--teal-300);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(31,207,150,0.35);
}

.btn-hero-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.85);
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 14px;
  padding: 13px 28px;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.15);
  cursor: pointer;
  transition: background 0.18s, transform 0.18s;
}

.btn-hero-secondary:hover {
  background: rgba(255,255,255,0.14);
  transform: translateY(-2px);
}

/* Live Analytics Counters Group */
.hero-stats {
  display: flex;
  justify-content: center;
  gap: 40px;
  margin-top: 52px;
  padding-top: 36px;
  border-top: 1px solid rgba(255,255,255,0.08);
  flex-wrap: wrap;
}

.hero-stat {
  text-align: center;
}

.hero-stat-num {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 800;
  color: var(--teal-300);
  letter-spacing: -0.02em;
  display: block;
}

.hero-stat-label {
  font-size: 12px;
  color: rgba(255,255,255,0.45);
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* ==========================================================================
   6. COURSES CARD DISPLAY COMPONENT
   ========================================================================== */
.courses-section {
  width: 100%;
  padding: 72px 48px;
  max-width: 1280px;
  margin: 0 auto;
}

.section-header {
  margin-bottom: 40px;
}

.section-eyebrow {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--teal-600);
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.section-eyebrow::before {
  content: '';
  display: inline-block;
  width: 24px;
  height: 2px;
  background: var(--teal-400);
  border-radius: 2px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(24px, 3.5vw, 34px);
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.025em;
  line-height: 1.15;
}

.container {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 20px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px 22px 22px;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.22s var(--ease-out-quart), box-shadow 0.22s, border-color 0.22s;
}

.card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(31,207,150,0.04) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.22s;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lift);
  border-color: var(--border-mid);
}

.card:hover::after { 
  opacity: 1; 
}

.card-icon-wrap {
  width: 48px;
  height: 48px;
  border-radius: 13px;
  background: linear-gradient(135deg, var(--teal-50) 0%, rgba(31,207,150,0.08) 100%);
  border: 1px solid rgba(15,136,98,0.18);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  flex-shrink: 0;
  color: var(--teal-600);
  transition: background 0.22s, border-color 0.22s, color 0.22s;
}

.card-icon-wrap svg {
  width: 22px;
  height: 22px;
  stroke: currentColor;
}

.card:hover .card-icon-wrap {
  background: linear-gradient(135deg, var(--teal-100) 0%, rgba(31,207,150,0.15) 100%);
  border-color: var(--teal-400);
  color: var(--teal-700);
}

.card h2 {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.02em;
  margin-bottom: 6px;
}

.card-desc {
  font-size: 12.5px;
  color: var(--ink-faint);
  line-height: 1.6;
  margin-bottom: 18px;
  flex-grow: 1;
}

.card a {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px 0;
  background: var(--teal-900);
  color: #fff;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  font-family: var(--font-body);
  letter-spacing: 0.01em;
  transition: background 0.18s, transform 0.15s var(--ease-spring);
}

.card a:hover {
  background: var(--teal-700);
  transform: scale(1.02);
}

.card a::after { 
  content: '→'; 
  font-size: 14px; 
}
/* ==========================================================================
   7. ABOUT • REVIEWS • CONTACT SECTIONS
   ========================================================================== */

.about-section,
.reviews-section,
.contact-section {
  width: 100%;
  padding: 84px 48px;
  background: var(--surface);
}

.about-container,
.reviews-container,
.contact-container {
  max-width: 1280px;
  margin: 0 auto;
}

/* ───────────────── ABOUT SECTION ───────────────── */

.about-content {
  max-width: 900px;
}

.about-text {
  font-size: 15px;
  line-height: 1.9;
  color: var(--ink-faint);
  margin-bottom: 18px;
}

.about-stats {
  display: flex;
  gap: 22px;
  margin-top: 38px;
  flex-wrap: wrap;
}

.stat-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 28px 26px;
  min-width: 190px;
  box-shadow: var(--shadow-card);
  transition:
    transform 0.22s var(--ease-out-quart),
    box-shadow 0.22s,
    border-color 0.22s;
}

.stat-box:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lift);
  border-color: var(--border-mid);
}

.stat-box h3 {
  font-family: var(--font-display);
  font-size: 34px;
  font-weight: 800;
  color: var(--teal-600);
  letter-spacing: -0.03em;
  margin-bottom: 6px;
}

.stat-box span {
  font-size: 13px;
  color: var(--ink-faint);
  font-weight: 500;
}

/* ───────────────── REVIEWS SECTION ───────────────── */

.reviews-section {
  background: var(--surface-2);
}

.reviews-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.review-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 30px 26px;
  box-shadow: var(--shadow-card);
  transition:
    transform 0.22s var(--ease-out-quart),
    box-shadow 0.22s,
    border-color 0.22s;
}

.review-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lift);
  border-color: var(--border-mid);
}

.review-stars {
  color: #ffb800;
  font-size: 20px;
  letter-spacing: 2px;
  margin-bottom: 18px;
}

.review-card p {
  font-size: 14px;
  line-height: 1.9;
  color: var(--ink-muted);
  margin-bottom: 20px;
}

.review-card h4 {
  font-size: 13px;
  font-weight: 700;
  color: var(--teal-700);
}

/* ───────────────── CONTACT SECTION ───────────────── */

.contact-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.contact-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 34px 28px;
  text-align: center;
  box-shadow: var(--shadow-card);
  transition:
    transform 0.22s var(--ease-out-quart),
    box-shadow 0.22s,
    border-color 0.22s;
}

.contact-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lift);
  border-color: var(--border-mid);
}

.contact-card i {
  font-size: 34px;
  color: var(--teal-600);
  margin-bottom: 18px;
}

.contact-card h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 10px;
}

.contact-card p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-faint);
}

/* ==========================================================================
   RESPONSIVE — ABOUT / REVIEWS / CONTACT
   ========================================================================== */

@media (max-width: 900px) {
  .about-section,
  .reviews-section,
  .contact-section {
    padding: 64px 24px;
  }

  .about-stats {
    gap: 18px;
  }
}

@media (max-width: 768px) {
  .reviews-container,
  .contact-container {
    grid-template-columns: 1fr;
  }

  .stat-box {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .about-section,
  .reviews-section,
  .contact-section {
    padding: 56px 20px;
  }

  .review-card,
  .contact-card,
  .stat-box {
    padding: 24px 20px;
  }

  .stat-box h3 {
    font-size: 28px;
  }
}


/* ==========================================================================
   7. FOOTER PLATFORM MODULE
   ========================================================================== */
.footer {
  width: 100%;
  background: linear-gradient(180deg, var(--teal-950) 0%, #021712 100%);
  color: rgba(255,255,255,0.72);
  padding: 72px 48px 24px;
  margin-top: 80px;
  border-top: 1px solid rgba(255,255,255,0.05);
}

.footer-container {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 50px;
  padding-bottom: 42px;
}

.footer-section h3 {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 22px;
  letter-spacing: -0.02em;
}

.footer-section a {
  display: flex;
  align-items: center;
  gap: 10px;
  width: fit-content;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  color: rgba(255,255,255,0.65);
  margin-bottom: 14px;
  transition: color 0.25s ease, transform 0.25s ease;
  white-space: nowrap;
}

.footer-section a:hover {
  color: var(--teal-300);
  transform: translateX(4px);
}

.footer-section p {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255,255,255,0.55);
  margin-bottom: 18px;
}

.footer-section i {
  width: 18px;
  font-size: 14px;
  color: var(--teal-400);
  flex-shrink: 0;
}

/* Inline Form Framework */
.newsletter-form {
  display: flex;
  align-items: center;
  overflow: hidden;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.04);
  margin-top: 12px;
  backdrop-filter: blur(10px);
}

.newsletter-form input {
  flex: 1;
  padding: 13px 15px;
  border: none;
  outline: none;
  background: transparent;
  color: #fff;
  font-family: var(--font-body);
  font-size: 13px;
}

.newsletter-form input::placeholder {
  color: rgba(255,255,255,0.35);
}

.newsletter-form button {
  border: none;
  padding: 13px 18px;
  background: var(--teal-500);
  color: #fff;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  transition: background 0.25s ease;
}

.newsletter-form button:hover {
  background: var(--teal-400);
}

.social-icons {
  display: flex;
  gap: 14px;
  margin-top: 24px;
}

.social-icons a {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.25s ease, background 0.25s ease, border-color 0.25s ease;
}

.social-icons a i {
  color: #fff;
  font-size: 15px;
  width: auto;
}

.social-icons a:hover {
  background: var(--teal-500);
  border-color: var(--teal-400);
  transform: translateY(-4px);
}

.footer-bottom {
  max-width: 1280px;
  margin: 0 auto;
  padding-top: 22px;
  border-top: 1px solid rgba(255,255,255,0.06);
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  font-size: 13px;
  font-family: var(--font-body);
  color: rgba(255,255,255,0.38);
  letter-spacing: 0.03em;
}

/* ==========================================================================
   8. GLOBAL RESPONSIVE MEDIA BREAKPOINTS
   ========================================================================== */

/* --- Cinema Screens & Ultra Wide Display Layouts (1400px+) --- */
@media (min-width: 1400px) {
  .hero-inner { max-width: 900px; }
  .hero h1 { font-size: 76px; }
  .hero-sub { font-size: 18px; }
  .container { grid-template-columns: repeat(4, 1fr); }
}

/* --- Laptop Trackpad Formats (< 992px) --- */
@media (max-width: 992px) {
  .hero-carousel { max-width: 760px; min-height: 110px; }
  .carousel-slide { font-size: 16px; line-height: 1.8; padding: 0 16px; }
}

/* --- Tablets Systems & Landscape Handheld Screen Dimensions (< 900px) --- */
@media (max-width: 900px) {
  .navbar { padding: 0 24px; }
  .hero { padding: 72px 28px 64px; }
  .courses-section { padding: 52px 24px; }
  .footer { padding: 52px 24px 24px; }
  .footer-container { grid-template-columns: repeat(2, 1fr); gap: 40px; }
}

/* --- Mobile Responsive Navigation Systems (< 768px) --- */
@media (max-width: 768px) {
  .navbar { padding: 0 18px; height: 64px; }
  .logo { font-size: 18px; }
  
  .menu {
    display: none;
    flex-direction: column;
    align-items: stretch;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 12px 16px 20px;
    gap: 2px;
    box-shadow: 0 16px 40px rgba(0,0,0,0.10);
    max-height: calc(100vh - 64px);
    overflow-y: auto;
    z-index: 999;
  }
  
  .dropdown { width: 100%; }
  .menu > .dropdown > a {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 14px;
    padding: 10px 14px;
    border-radius: 8px;
  }

  .dropdown-content {
    position: static;
    width: 100%;
    box-shadow: none;
    border: none;
    background: var(--teal-50);
    border-radius: 8px;
    margin: 4px 0 4px 14px;
  }
  
  .dropdown-content a { color: var(--ink-muted); font-size: 13px; padding: 12px 16px; }
  .hamburger { display: flex; }

  /* Mobile Hero Configurations */
  .hero { min-height: 88vh; padding: 72px 20px 60px; }
  .hero-sub { font-size: 15px; line-height: 1.8; margin-bottom: 30px; }
  .hero-carousel { max-width: 100%; min-height: 150px; margin: 24px auto 30px; }
  .carousel-slide { font-size: 15px; line-height: 1.9; padding: 0 10px; }
  .hero-stats { gap: 18px; margin-top: 40px; padding-top: 28px; }
  .hero-stat-num { font-size: 24px; }
  .hero-stat-label { font-size: 11px; }

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

/* --- Tiny Display Screens & Mobile Devices Layouts (< 480px) --- */
@media (max-width: 480px) {
  .hero { padding: 64px 16px 52px; }
  .hero-badge { font-size: 10px; padding: 6px 14px; }
  .hero h1 { font-size: 32px; }
  .hero-carousel { min-height: 180px; padding: 0 8px; }
  .carousel-slide { font-size: 14px; line-height: 1.9; }
  
  .btn-hero-primary,
  .btn-hero-secondary {
    width: 100%;
    max-width: 260px;
  }
  
  .hero-ctas { flex-direction: column; align-items: center; }
  .hero-stats { gap: 20px; justify-content: center; }
  .hero-stat { min-width: 110px; }
  
  .section-title { font-size: 28px; }
  .container { grid-template-columns: 1fr; }
  .card { padding: 24px 18px; }

  .footer { padding: 56px 24px 24px; }
  .footer-container { grid-template-columns: 1fr; gap: 34px; }
  .footer-section h3 { font-size: 18px; }
  .footer-section a, .footer-section p { font-size: 15px; }
  .newsletter-form { flex-direction: column; align-items: stretch; }
  .newsletter-form button { width: 100%; }
  .social-icons { justify-content: flex-start; flex-wrap: wrap; }
  .footer-bottom { flex-direction: column; text-align: center; }
}