/* ==========================================================================
   CSAT BY SWAMINATHAN - MAIN APPLICATION & LAYOUT STYLES
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,600;0,700;0,900;1,400;1,700&family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

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

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

body {
  font-family: var(--font-body);
  background-color: var(--color-bg-main);
  color: var(--color-text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  padding-bottom: 2rem;
}

/* Container */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.container-wide {
  max-width: var(--container-wide);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Section Spacing */
.section {
  padding: 5.5rem 0;
  position: relative;
}

.section-dark {
  background: linear-gradient(180deg, #071322 0%, #0b1f3a 100%);
  color: #ffffff;
}

.section-subtle {
  background-color: var(--color-bg-subtle);
}

.section-dark .section-title {
  color: #ffffff;
}

.section-dark .section-subtitle {
  color: #94a3b8;
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-section {
  background: radial-gradient(circle at 80% 20%, rgba(245, 158, 11, 0.08) 0%, transparent 50%),
              radial-gradient(circle at 10% 80%, rgba(29, 78, 216, 0.06) 0%, transparent 50%),
              #f8fafc;
  padding: 4rem 0 5rem 0;
  border-bottom: 1px solid var(--color-border-subtle);
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3.5rem;
  align-items: center;
}

.hero-badge-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 1.25rem;
}

.hero-headline {
  font-size: 3.2rem;
  font-weight: 800;
  color: var(--color-brand-navy);
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 1.25rem;
}

.hero-headline .text-gold {
  color: var(--color-gold-600);
}

.hero-headline .text-highlight {
  position: relative;
  display: inline-block;
}

.hero-headline .text-highlight::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 0;
  width: 100%;
  height: 8px;
  background: rgba(245, 158, 11, 0.25);
  z-index: -1;
  border-radius: 4px;
}

.hero-subtext {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: 2rem;
  max-width: 620px;
}

.hero-subtext strong {
  color: var(--color-brand-navy);
  font-weight: 700;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

.hero-stats-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border-medium);
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--color-brand-navy);
  line-height: 1.1;
}

.stat-number span {
  color: var(--color-gold-600);
}

.stat-label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-text-muted);
  margin-top: 0.2rem;
}

/* Hero Right Column Poster Card */
.hero-visual-wrap {
  position: relative;
}

.hero-poster-frame {
  background: #ffffff;
  border-radius: var(--radius-xl);
  padding: 0.85rem;
  box-shadow: 0 20px 40px -10px rgba(11, 31, 58, 0.25), 0 0 0 1px var(--color-border-subtle);
  position: relative;
  transition: transform var(--transition-smooth);
}

.hero-poster-frame:hover {
  transform: translateY(-4px);
}

.hero-instructor-img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  display: block;
  object-fit: cover;
}

/* Countdown Card Overlay */
.batch-countdown-card {
  position: absolute;
  bottom: -24px;
  left: 20px;
  right: 20px;
  background: linear-gradient(135deg, #0b1f3a 0%, #071322 100%);
  border: 2px solid var(--color-gold-500);
  border-radius: var(--radius-lg);
  padding: 1rem 1.25rem;
  color: #ffffff;
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.35);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.countdown-info {
  display: flex;
  flex-direction: column;
}

.countdown-title {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-gold-400);
  letter-spacing: 0.05em;
}

.countdown-sub {
  font-size: 0.75rem;
  color: #cbd5e1;
}

.countdown-timer-units {
  display: flex;
  gap: 0.5rem;
}

.time-box {
  background: rgba(255, 255, 255, 0.1);
  padding: 0.35rem 0.6rem;
  border-radius: var(--radius-sm);
  text-align: center;
  min-width: 42px;
}

.time-box-num {
  font-size: 1.1rem;
  font-weight: 800;
  color: #ffffff;
  line-height: 1;
}

.time-box-label {
  font-size: 0.6rem;
  color: #94a3b8;
  text-transform: uppercase;
  margin-top: 0.15rem;
}

/* ==========================================================================
   PROBLEM / REALITY OF CSAT SECTION
   ========================================================================== */
.csat-crisis-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
  margin-top: 2.5rem;
}

.crisis-card {
  background: #ffffff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-subtle);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}

.crisis-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--color-accent-orange);
}

.crisis-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: rgba(234, 88, 12, 0.1);
  color: var(--color-accent-orange);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  margin-bottom: 1.25rem;
}

.crisis-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--color-brand-navy);
  margin-bottom: 0.75rem;
}

.crisis-desc {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ==========================================================================
   THE 4 PILLARS OF WHY CHOOSE US
   ========================================================================== */
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-top: 2.5rem;
}

.pillar-card {
  background: #ffffff;
  border: 1.5px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  padding: 2rem 1.5rem;
  text-align: left;
  transition: all var(--transition-base);
  position: relative;
}

.pillar-card:hover {
  border-color: var(--color-gold-500);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.pillar-number {
  font-size: 1.75rem;
  font-weight: 900;
  color: var(--color-gold-600);
  opacity: 0.6;
  line-height: 1;
  margin-bottom: 0.75rem;
}

.pillar-card-title {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--color-brand-navy);
  margin-bottom: 1rem;
  min-height: 2.6rem;
}

.pillar-bullet-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  font-size: 0.88rem;
  color: var(--color-text-muted);
}

.pillar-bullet-list li {
  position: relative;
  padding-left: 1.25rem;
}

.pillar-bullet-list li::before {
  content: '•';
  color: var(--color-gold-600);
  font-weight: bold;
  font-size: 1.2rem;
  position: absolute;
  left: 0;
  top: -2px;
}

/* ==========================================================================
   7-STEP FORMULA
   ========================================================================== */
.formula-steps-row {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 1rem;
  margin-top: 3rem;
}

.formula-step-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  padding: 1.5rem 1rem;
  text-align: center;
  transition: all var(--transition-base);
}

.formula-step-card:hover {
  background: rgba(245, 158, 11, 0.15);
  border-color: var(--color-gold-400);
  transform: translateY(-4px);
}

.formula-step-num {
  width: 36px;
  height: 36px;
  background: var(--color-gold-500);
  color: #071322;
  font-weight: 900;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.75rem;
}

.formula-step-name {
  font-size: 1rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 0.35rem;
}

.formula-step-hindi {
  font-size: 0.8rem;
  color: #cbd5e1;
  font-weight: 600;
}

/* ==========================================================================
   COURSES & BATCHES SECTION
   ========================================================================== */
.courses-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 3rem;
}

.course-card {
  background: #ffffff;
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border-subtle);
  padding: 2.25rem;
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all var(--transition-base);
}

.course-card:hover {
  box-shadow: var(--shadow-xl);
  transform: translateY(-4px);
}

.course-header {
  margin-bottom: 1.5rem;
}

.course-mode-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  margin-bottom: 0.75rem;
}

.mode-offline {
  background: #fef3c7;
  color: #92400e;
  border: 1px solid #fde68a;
}

.mode-online {
  background: #dbeafe;
  color: #1e40af;
  border: 1px solid #bfdbfe;
}

.mode-test {
  background: #f3e8ff;
  color: #6b21a8;
  border: 1px solid #e9d5ff;
}

.course-name {
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--color-brand-navy);
  line-height: 1.25;
  margin-bottom: 0.75rem;
}

.course-desc {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

.course-meta-list {
  list-style: none;
  margin: 1.5rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  border-top: 1px solid var(--color-border-subtle);
  border-bottom: 1px solid var(--color-border-subtle);
  padding: 1.25rem 0;
}

.course-meta-item {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-text-main);
}

.course-meta-icon {
  color: var(--color-gold-600);
}

.course-footer {
  margin-top: 1rem;
}

.course-schedule-note {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-top: 0.75rem;
  text-align: center;
}

/* ==========================================================================
   FACULTY / ABOUT SWAMINATHAN SIR
   ========================================================================== */
.faculty-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 3.5rem;
  align-items: center;
}

.faculty-img-wrap {
  position: relative;
}

.faculty-img-card {
  background: #ffffff;
  border-radius: var(--radius-xl);
  padding: 0.75rem;
  box-shadow: var(--shadow-xl);
  border: 2px solid var(--color-gold-400);
}

.faculty-img {
  width: 100%;
  border-radius: var(--radius-lg);
  display: block;
}

.faculty-content .quote-box {
  background: var(--color-gold-50);
  border-left: 4px solid var(--color-gold-600);
  padding: 1.25rem 1.5rem;
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-style: italic;
  color: var(--color-brand-navy);
  margin-bottom: 1.5rem;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.faculty-bio-p {
  font-size: 1rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: 1.25rem;
}

.faculty-milestones {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-top: 2rem;
}

.milestone-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.85rem;
  background: var(--color-bg-subtle);
  border-radius: var(--radius-md);
}

.milestone-icon {
  font-size: 1.5rem;
}

.milestone-text strong {
  display: block;
  font-size: 0.95rem;
  color: var(--color-brand-navy);
}

.milestone-text span {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

/* ==========================================================================
   FREE VAULT / DOWNLOADS
   ========================================================================== */
.vault-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
  margin-top: 2.5rem;
}

.vault-card {
  background: #ffffff;
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

.vault-card:hover {
  border-color: var(--color-gold-500);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.vault-badge {
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--color-accent-orange);
  margin-bottom: 0.75rem;
  text-transform: uppercase;
}

.vault-title {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--color-brand-navy);
  margin-bottom: 0.5rem;
  line-height: 1.35;
}

.vault-desc {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  margin-bottom: 1.25rem;
}

/* ==========================================================================
   TOPPERS & TESTIMONIALS
   ========================================================================== */
.topper-showcase-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 3rem;
  align-items: center;
  margin-top: 2.5rem;
}

.topper-banner-img {
  width: 100%;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  border: 2px solid rgba(255, 255, 255, 0.1);
}

.topper-quotes-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.topper-quote-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  color: #ffffff;
}

.topper-quote-text {
  font-size: 0.95rem;
  line-height: 1.6;
  color: #e2e8f0;
  margin-bottom: 1rem;
  font-style: italic;
}

.topper-author {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.topper-name {
  font-weight: 800;
  font-size: 0.95rem;
  color: var(--color-gold-400);
}

.topper-rank {
  font-size: 0.8rem;
  color: #94a3b8;
}

/* ==========================================================================
   LOCATION & CONTACT SECTION
   ========================================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  margin-top: 3rem;
}

.center-info-card {
  background: #ffffff;
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  border: 1px solid var(--color-border-subtle);
  box-shadow: var(--shadow-md);
}

.center-title {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--color-brand-navy);
  margin-bottom: 1.5rem;
}

.center-details-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.center-detail-item {
  display: flex;
  gap: 1rem;
}

.center-detail-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--color-gold-50);
  color: var(--color-gold-700);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.center-detail-text strong {
  display: block;
  font-size: 0.95rem;
  color: var(--color-brand-navy);
}

.center-detail-text p, .center-detail-text a {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  text-decoration: none;
}

.center-detail-text a:hover {
  color: var(--color-gold-700);
}

.center-form-card {
  background: #ffffff;
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  border: 1px solid var(--color-border-subtle);
  box-shadow: var(--shadow-md);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  background: #040a14;
  color: #94a3b8;
  padding: 5rem 0 2rem 0;
  border-top: 1px solid rgba(245, 158, 11, 0.2);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.8fr 1fr;
  gap: 3rem;
  margin-bottom: 3.5rem;
}

.footer-brand-title {
  color: #ffffff;
  font-size: 1.3rem;
  font-weight: 800;
  margin-bottom: 1rem;
}

.footer-brand-desc {
  font-size: 0.88rem;
  line-height: 1.6;
  margin-bottom: 1.5rem;
  color: #94a3b8;
}

.footer-col-title {
  color: #ffffff;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.footer-links a {
  color: #94a3b8;
  text-decoration: none;
  font-size: 0.88rem;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--color-gold-400);
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.82rem;
}

/* ==========================================================================
   RESPONSIVE BREAKPOINTS
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-grid, .faculty-grid, .topper-showcase-grid, .contact-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .hero-headline {
    font-size: 2.5rem;
  }

  .formula-steps-row {
    grid-template-columns: repeat(4, 1fr);
  }

  .courses-grid, .pillars-grid, .crisis-grid, .vault-grid {
    grid-template-columns: 1fr 1fr;
  }

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

@media (max-width: 640px) {
  .hero-headline {
    font-size: 2rem;
  }

  .hero-stats-strip {
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
  }

  .formula-steps-row {
    grid-template-columns: 1fr 1fr;
  }

  .courses-grid, .pillars-grid, .csat-crisis-grid, .vault-grid {
    grid-template-columns: 1fr;
  }

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

  .batch-countdown-card {
    position: static;
    margin-top: 1rem;
    flex-direction: column;
    text-align: center;
  }
}