/* ============================================================
   ANA CLASSES – Main Stylesheet
   Theme: Navy Blue (#0d1b4b), Yellow (#f5c518), White (#ffffff)
   ============================================================ */

/* --- CSS Variables --- */
:root {
  --navy: #0d1b4b;
  --navy-dark: #080f2e;
  --navy-mid: #132060;
  --yellow: #f5c518;
  --yellow-dark: #d4a800;
  --yellow-light: #fff3b0;
  --white: #ffffff;
  --off-white: #f8f9ff;
  --text-dark: #111827;
  --text-mid: #374151;
  --text-light: #6b7280;
  --border: #e5e7eb;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 4px 24px rgba(13, 27, 75, 0.12);
  --shadow-lg: 0 8px 40px rgba(13, 27, 75, 0.18);
  --transition: all 0.3s ease;
  --font: 'Poppins', sans-serif;
}

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: var(--font); color: var(--text-dark); background: var(--white); line-height: 1.65; overflow-x: hidden; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }
sup { font-size: 0.55em; vertical-align: super; }

/* --- Utility: Container --- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* --- Utility: Section --- */
.section { padding: 80px 0; }

/* --- Utility: Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 50px;
  font-family: var(--font);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: var(--yellow);
  color: var(--navy-dark);
}
.btn-primary:hover {
  background: var(--yellow-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(245, 197, 24, 0.4);
}
.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.6);
}
.btn-outline:hover {
  background: rgba(255,255,255,0.12);
  border-color: var(--white);
  transform: translateY(-2px);
}
.btn-full { width: 100%; justify-content: center; }
.btn-cta {
  background: var(--white);
  color: var(--navy);
  font-size: 1rem;
  padding: 16px 40px;
}
.btn-cta:hover {
  background: var(--yellow);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0,0,0,0.2);
}

/* --- Accent Text --- */
.accent { color: var(--yellow); }
.accent-text { color: var(--yellow); }

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: transparent;
  transition: var(--transition);
  padding: 20px 0;
}
.navbar.scrolled {
  background: var(--navy-dark);
  padding: 12px 0;
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
}
.logo-icon {
  font-size: 1.8rem;
  color: var(--yellow);
}
.logo-text {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--white);
  letter-spacing: 0.5px;
}
.logo-accent { color: var(--yellow); }
.nav-links {
  display: flex;
  gap: 36px;
}
.nav-links a {
  color: rgba(255,255,255,0.85);
  font-weight: 500;
  font-size: 0.95rem;
  position: relative;
  transition: var(--transition);
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 2px;
  background: var(--yellow);
  transition: var(--transition);
}
.nav-links a:hover { color: var(--yellow); }
.nav-links a:hover::after { width: 100%; }
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  width: 26px; height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
  display: block;
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  min-height: 100vh;
  background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy) 50%, var(--navy-mid) 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: 120px 0 80px;
}
.hero-bg-shapes { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
.shape {
  position: absolute;
  border-radius: 50%;
  background: rgba(245, 197, 24, 0.06);
}
.shape-1 { width: 600px; height: 600px; top: -200px; right: -200px; }
.shape-2 { width: 400px; height: 400px; bottom: -150px; left: -100px; background: rgba(255,255,255,0.04); }
.shape-3 { width: 200px; height: 200px; top: 40%; right: 15%; background: rgba(245, 197, 24, 0.08); }

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}
.badge-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(245, 197, 24, 0.15);
  border: 1px solid rgba(245, 197, 24, 0.4);
  color: var(--yellow);
  padding: 6px 16px;
  border-radius: 50px;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  margin-bottom: 20px;
}
.hero-title {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 900;
  color: var(--white);
  line-height: 1.15;
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}
.hero-sub {
  color: rgba(255,255,255,0.78);
  font-size: 1.05rem;
  max-width: 480px;
  margin-bottom: 36px;
}
.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}
/* Hero Card */
.hero-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(12px);
  padding: 2px;
}
.hero-card-inner {
  background: rgba(255,255,255,0.04);
  border-radius: 18px;
  padding: 40px 36px;
  text-align: center;
}
.card-badge {
  display: inline-block;
  background: #e63946;
  color: var(--white);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  padding: 5px 14px;
  border-radius: 50px;
  margin-bottom: 20px;
}
.card-class {
  font-size: 3.5rem;
  font-weight: 900;
  color: var(--yellow);
  line-height: 1;
  margin-bottom: 6px;
}
.card-stream {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.7);
  font-weight: 500;
  margin-bottom: 28px;
  text-transform: uppercase;
  letter-spacing: 2px;
}
.card-details {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 28px;
  text-align: left;
}
.card-detail-item {
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(255,255,255,0.06);
  border-radius: 10px;
  padding: 12px 16px;
  color: var(--white);
  font-size: 0.95rem;
}
.card-detail-item i {
  color: var(--yellow);
  font-size: 1rem;
  width: 18px;
}

/* Scroll Indicator */
.scroll-indicator {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  color: rgba(255,255,255,0.5);
  font-size: 0.78rem;
  letter-spacing: 1px;
  z-index: 1;
}
.bounce {
  animation: bounce 2s infinite;
}
@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(6px); }
}

/* ============================================================
   STRIP
   ============================================================ */
.strip {
  background: var(--yellow);
  padding: 20px 0;
}
.strip-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-around;
  gap: 16px;
}
.strip-item {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--navy-dark);
  font-weight: 700;
  font-size: 0.9rem;
}
.strip-item i {
  font-size: 1.1rem;
}

/* ============================================================
   SECTION HEADER
   ============================================================ */
.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 56px;
}
.section-tag {
  display: inline-block;
  background: var(--yellow-light);
  color: var(--navy);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  padding: 5px 16px;
  border-radius: 50px;
  margin-bottom: 14px;
  text-transform: uppercase;
}
.section-title {
  font-size: clamp(1.7rem, 4vw, 2.4rem);
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 14px;
  line-height: 1.25;
}
.section-desc {
  color: var(--text-light);
  font-size: 1rem;
}

/* ============================================================
   ABOUT
   ============================================================ */
.about { background: var(--off-white); }
.about-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 28px;
}
.about-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 36px 28px;
  box-shadow: var(--shadow);
  text-align: center;
  transition: var(--transition);
  border: 1px solid var(--border);
}
.about-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--yellow);
}
.about-icon {
  width: 64px; height: 64px;
  background: var(--yellow-light);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}
.about-icon i {
  font-size: 1.6rem;
  color: var(--navy);
}
.about-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 10px;
}
.about-card p {
  color: var(--text-light);
  font-size: 0.92rem;
}

/* ============================================================
   BATCH
   ============================================================ */
.batch { background: var(--navy-dark); }
.batch .section-tag { background: rgba(245, 197, 24, 0.15); color: var(--yellow); }
.batch .section-title { color: var(--white); }
.batch .section-desc { color: rgba(255,255,255,0.6); }

.batch-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: start;
}
.batch-main-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-lg);
  padding: 40px;
}
.batch-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}
.batch-badge {
  background: #e63946;
  color: var(--white);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  padding: 5px 14px;
  border-radius: 50px;
}
.batch-stream-tag {
  background: rgba(245, 197, 24, 0.15);
  color: var(--yellow);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 5px 14px;
  border-radius: 50px;
  border: 1px solid rgba(245, 197, 24, 0.3);
}
.batch-class-title {
  font-size: 4rem;
  font-weight: 900;
  color: var(--yellow);
  margin-bottom: 28px;
  line-height: 1;
}
.batch-info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 32px;
}
.batch-info-item {
  display: flex;
  align-items: center;
  gap: 14px;
  background: rgba(255,255,255,0.06);
  border-radius: 12px;
  padding: 16px;
}
.batch-info-item i {
  font-size: 1.3rem;
  color: var(--yellow);
  width: 24px;
  text-align: center;
}
.batch-info-item label {
  display: block;
  font-size: 0.75rem;
  color: rgba(255,255,255,0.5);
  font-weight: 500;
  margin-bottom: 2px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.batch-info-item strong {
  color: var(--white);
  font-size: 0.95rem;
  font-weight: 600;
}
.batch-side { display: flex; flex-direction: column; gap: 20px; }

/* Countdown */
.countdown-card {
  background: var(--yellow);
  border-radius: var(--radius);
  padding: 28px;
  text-align: center;
}
.countdown-card h4 {
  color: var(--navy-dark);
  font-weight: 700;
  margin-bottom: 20px;
  font-size: 1rem;
}
.countdown {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 6px;
}
.cd-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 60px;
}
.cd-block span {
  font-size: 2rem;
  font-weight: 900;
  color: var(--navy-dark);
  line-height: 1;
}
.cd-block label {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--navy);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-top: 4px;
}
.cd-sep {
  font-size: 1.8rem;
  font-weight: 900;
  color: var(--navy);
  padding-bottom: 16px;
}

/* Grades */
.grades-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
  padding: 28px;
}
.grades-card h4 {
  color: var(--white);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.grades-card h4 i { color: var(--yellow); }
.grades-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.grade-tag {
  padding: 6px 14px;
  border-radius: 50px;
  font-size: 0.82rem;
  font-weight: 600;
  background: rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.7);
  border: 1px solid rgba(255,255,255,0.1);
  transition: var(--transition);
}
.grade-tag.active-grade {
  background: var(--yellow);
  color: var(--navy-dark);
  border-color: var(--yellow);
  box-shadow: 0 0 12px rgba(245, 197, 24, 0.5);
}

/* ============================================================
   FEATURES
   ============================================================ */
.features { background: var(--white); }
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}
.feature-item {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  background: var(--off-white);
  border-radius: var(--radius);
  padding: 28px;
  border: 1px solid var(--border);
  transition: var(--transition);
}
.feature-item:hover {
  border-color: var(--yellow);
  box-shadow: var(--shadow);
  transform: translateY(-4px);
}
.feature-icon {
  width: 52px; height: 52px;
  min-width: 52px;
  background: var(--navy);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.feature-icon i {
  font-size: 1.3rem;
  color: var(--yellow);
}
.feature-content h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 8px;
}
.feature-content p {
  font-size: 0.9rem;
  color: var(--text-light);
  line-height: 1.6;
}

/* ============================================================
   CTA BANNER
   ============================================================ */
.cta-banner {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-mid) 100%);
  padding: 70px 0;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute;
  top: -80px; right: -80px;
  width: 300px; height: 300px;
  border-radius: 50%;
  background: rgba(245, 197, 24, 0.07);
}
.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}
.cta-text h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  font-weight: 800;
  color: var(--white);
  margin-bottom: 10px;
}
.cta-text h2 span { color: var(--yellow); }
.cta-text p { color: rgba(255,255,255,0.7); font-size: 1rem; }

/* ============================================================
   CONTACT
   ============================================================ */
.contact { background: var(--off-white); }
.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}
.contact-info { display: flex; flex-direction: column; gap: 16px; }
.contact-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
  display: flex;
  align-items: center;
  gap: 18px;
  transition: var(--transition);
}
.contact-card:hover { border-color: var(--yellow); box-shadow: var(--shadow); }
.contact-card i {
  font-size: 1.4rem;
  color: var(--navy);
  width: 24px;
  text-align: center;
}
.contact-card label {
  display: block;
  font-size: 0.75rem;
  color: var(--text-light);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 2px;
}
.contact-card span, .contact-card a {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-dark);
}
.contact-number {
  font-size: 1.2rem !important;
  color: var(--navy) !important;
}
.phone-card { border-color: var(--yellow); background: var(--yellow-light); }
.contact-cta-box {
  background: var(--navy);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.contact-cta-box p {
  color: rgba(255,255,255,0.8);
  font-size: 0.95rem;
}

/* Contact Form */
.contact-form {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}
.contact-form h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 24px;
}
.form-group {
  margin-bottom: 20px;
}
.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 6px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--border);
  border-radius: 10px;
  font-family: var(--font);
  font-size: 0.93rem;
  color: var(--text-dark);
  background: var(--white);
  transition: var(--transition);
  outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--navy);
  box-shadow: 0 0 0 3px rgba(13, 27, 75, 0.1);
}
.form-group textarea { resize: vertical; min-height: 90px; }
.form-success {
  display: none;
  margin-top: 16px;
  background: #d1fae5;
  color: #065f46;
  border-radius: 10px;
  padding: 14px 20px;
  font-weight: 600;
  font-size: 0.9rem;
  align-items: center;
  gap: 8px;
}
.form-success.show { display: flex; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--navy-dark);
  color: var(--white);
  padding: 60px 0 0;
}
.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-brand p {
  margin-top: 16px;
  color: rgba(255,255,255,0.55);
  font-size: 0.9rem;
  max-width: 340px;
  line-height: 1.7;
}
.footer-links h4, .footer-contact h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--yellow);
  margin-bottom: 18px;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.footer-links ul { display: flex; flex-direction: column; gap: 10px; }
.footer-links a {
  color: rgba(255,255,255,0.6);
  font-size: 0.9rem;
  transition: var(--transition);
}
.footer-links a:hover { color: var(--yellow); padding-left: 4px; }
.footer-contact p {
  color: rgba(255,255,255,0.6);
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}
.footer-contact i { color: var(--yellow); width: 16px; }
.footer-contact a { color: rgba(255,255,255,0.6); transition: var(--transition); }
.footer-contact a:hover { color: var(--yellow); }
.footer-bottom {
  text-align: center;
  padding: 20px 0;
}
.footer-bottom p {
  color: rgba(255,255,255,0.35);
  font-size: 0.82rem;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .batch-wrapper { grid-template-columns: 1fr; }
  .batch-main-card { order: 1; }
  .batch-side { order: 2; display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
}

@media (max-width: 768px) {
  .section { padding: 60px 0; }
  .nav-links {
    position: fixed;
    top: 0; right: -100%;
    width: 75%;
    height: 100vh;
    background: var(--navy-dark);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 32px;
    font-size: 1.1rem;
    transition: right 0.35s ease;
    z-index: 999;
    box-shadow: -4px 0 20px rgba(0,0,0,0.4);
  }
  .nav-links.open { right: 0; }
  .hamburger { display: flex; z-index: 1001; }
  .hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .hamburger.open span:nth-child(2) { opacity: 0; }
  .hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .hero-inner { grid-template-columns: 1fr; gap: 40px; text-align: center; }
  .hero-sub { margin: 0 auto 36px; }
  .hero-cta-group { justify-content: center; }
  .hero-card { max-width: 380px; margin: 0 auto; }

  .contact-wrapper { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }

  .cta-inner { flex-direction: column; text-align: center; }
  .batch-info-grid { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .batch-side { grid-template-columns: 1fr; }
  .cd-block { min-width: 48px; }
  .cd-block span { font-size: 1.6rem; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .hero-cta-group { flex-direction: column; }
  .btn { width: 100%; justify-content: center; }
  .strip-inner { flex-direction: column; align-items: flex-start; gap: 12px; }
  .footer-inner { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; }
  .contact-form { padding: 24px 20px; }
}

/* ============================================================
   ANIMATIONS
   ============================================================ */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}
.fade-in-up {
  animation: fadeInUp 0.6s ease forwards;
}