/* ==========================================================================
   Satdutdot English Training — Modern Japanese Bento-Modular Design System
   ========================================================================== */

:root {
  --verve-font-sans: 'Plus Jakarta Sans', 'Noto Sans JP', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Hiragino Sans", "Meiryo", sans-serif;
  --verve-bg-main: #f8fafc;
  --verve-bg-card: #ffffff;
  --verve-bg-alt: #f1f5f9;
  --verve-bg-dark: #0f172a;
  --verve-bg-dark-card: #1e293b;
  --verve-text-main: #0f172a;
  --verve-text-muted: #475569;
  --verve-text-light: #94a3b8;
  --verve-primary: #2563eb;
  --verve-primary-hover: #1d4ed8;
  --verve-primary-light: #eff6ff;
  --verve-accent: #0284c7;
  --verve-accent-teal: #0d9488;
  --verve-border: #e2e8f0;
  --verve-border-dark: #334155;
  --verve-radius-sm: 8px;
  --verve-radius-md: 16px;
  --verve-radius-lg: 24px;
  --verve-radius-xl: 32px;
  --verve-shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06);
  --verve-shadow-md: 0 10px 25px -5px rgba(15, 23, 42, 0.08), 0 8px 10px -6px rgba(15, 23, 42, 0.04);
  --verve-shadow-lg: 0 20px 35px -10px rgba(15, 23, 42, 0.12), 0 10px 15px -5px rgba(15, 23, 42, 0.04);
  --verve-container: 1240px;
  --verve-transition: all 0.28s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  font-family: var(--verve-font-sans);
  font-size: 16px;
  line-height: 1.75;
  color: var(--verve-text-main);
  background-color: var(--verve-bg-main);
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  overflow-x: hidden;
  position: relative;
  letter-spacing: 0.02em;
}

/* Aurora Mesh Subtle Background Effect */
.verve-fx-mesh::before {
  content: '';
  position: fixed;
  top: -20vh;
  left: -20vw;
  width: 140vw;
  height: 140vh;
  background: 
    radial-gradient(circle at 15% 20%, rgba(37, 99, 235, 0.04) 0%, transparent 40%),
    radial-gradient(circle at 85% 30%, rgba(2, 132, 199, 0.05) 0%, transparent 45%),
    radial-gradient(circle at 50% 80%, rgba(13, 148, 136, 0.03) 0%, transparent 50%);
  pointer-events: none;
  z-index: -1;
}

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

a {
  color: var(--verve-primary);
  text-decoration: none;
  transition: var(--verve-transition);
}
a:hover {
  color: var(--verve-primary-hover);
}

button, input, select, textarea {
  font: inherit;
  color: inherit;
}

.verve-container {
  width: 100%;
  max-width: var(--verve-container);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

/* Typography Utilities */
.verve-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 1rem;
  background: var(--verve-primary-light);
  border: 1px solid rgba(37, 99, 235, 0.2);
  border-radius: 9999px;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--verve-primary);
  margin-bottom: 1.25rem;
}

.verve-heading-xl {
  font-size: clamp(2.25rem, 5vw, 3.75rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--verve-text-main);
  margin-bottom: 1.5rem;
}

.verve-heading-lg {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--verve-text-main);
  margin-bottom: 1rem;
}

.verve-heading-md {
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 0.75rem;
}

.verve-lead {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  line-height: 1.8;
  color: var(--verve-text-muted);
  margin-bottom: 2rem;
}

.verve-text-center {
  text-align: center;
}
.verve-mx-auto {
  margin-left: auto;
  margin-right: auto;
}/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.verve-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--verve-border);
  padding: 0.85rem 0;
  transition: var(--verve-transition);
}

.verve-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.verve-logo img {
  height: 42px;
  width: auto;
}

.verve-nav-desktop {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.verve-nav-link {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--verve-text-muted);
  position: relative;
  padding: 0.25rem 0;
}
.verve-nav-link:hover, .verve-nav-link:focus {
  color: var(--verve-primary);
}

.verve-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.75rem;
  font-size: 0.95rem;
  font-weight: 700;
  border-radius: var(--verve-radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--verve-transition);
  text-align: center;
}

.verve-btn-primary {
  background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
  color: #ffffff !important;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
}
.verve-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(37, 99, 235, 0.45);
}

.verve-btn-secondary {
  background: #ffffff;
  color: var(--verve-text-main);
  border-color: var(--verve-border);
}
.verve-btn-secondary:hover {
  background: var(--verve-bg-alt);
  border-color: #cbd5e1;
}

.verve-btn-lg {
  padding: 1.1rem 2.25rem;
  font-size: 1.1rem;
}

.verve-mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

/* ==========================================================================
   Bento Grid Layout Engine
   ========================================================================== */
.verve-bento-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
}

.verve-bento-card {
  background: var(--verve-bg-card);
  border: 1px solid var(--verve-border);
  border-radius: var(--verve-radius-xl);
  padding: 2.25rem;
  position: relative;
  overflow: hidden;
  box-shadow: var(--verve-shadow-sm);
  transition: var(--verve-transition);
  display: flex;
  flex-direction: column;
}

.verve-bento-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--verve-shadow-lg);
  border-color: #cbd5e1;
}

.verve-col-12 { grid-column: span 12; }
.verve-col-8  { grid-column: span 8; }
.verve-col-7  { grid-column: span 7; }
.verve-col-6  { grid-column: span 6; }
.verve-col-5  { grid-column: span 5; }
.verve-col-4  { grid-column: span 4; }
.verve-col-3  { grid-column: span 3; }

/* Bento Media Tiles */
.verve-card-media {
  border-radius: var(--verve-radius-lg);
  overflow: hidden;
  margin-top: 1.5rem;
  aspect-ratio: 16/9;
  background-color: var(--verve-bg-alt);
}
.verve-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.verve-bento-card:hover .verve-card-media img {
  transform: scale(1.04);
}

.verve-icon-box {
  width: 52px;
  height: 52px;
  border-radius: var(--verve-radius-md);
  background: var(--verve-primary-light);
  color: var(--verve-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  flex-shrink: 0;
}
.verve-icon-box svg {
  width: 26px;
  height: 26px;
}

/* Hero Section Specifics */
.verve-hero-section {
  padding: 4rem 0 3rem 0;
  position: relative;
}

.verve-hero-tagline {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--verve-accent);
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

.verve-trust-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.5rem 2.5rem;
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--verve-border);
}

.verve-trust-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--verve-text-muted);
}
.verve-trust-item svg {
  color: var(--verve-accent-teal);
  flex-shrink: 0;
}/* ==========================================================================
   Sections Styling (Curriculum, Comparison, Timeline, Testimonials, FAQ)
   ========================================================================== */
.verve-section {
  padding: 5rem 0;
  position: relative;
}

.verve-section-dark {
  background-color: var(--verve-bg-dark);
  color: #f8fafc;
}
.verve-section-dark .verve-heading-xl,
.verve-section-dark .verve-heading-lg,
.verve-section-dark .verve-heading-md {
  color: #ffffff;
}
.verve-section-dark .verve-lead {
  color: var(--verve-text-light);
}
.verve-section-dark .verve-bento-card {
  background: var(--verve-bg-dark-card);
  border-color: var(--verve-border-dark);
  color: #f8fafc;
}
.verve-section-dark .verve-bento-card:hover {
  border-color: #475569;
}

/* Comparison Matrix Table */
.verve-table-wrapper {
  background: #ffffff;
  border-radius: var(--verve-radius-xl);
  border: 1px solid var(--verve-border);
  overflow-x: auto;
  box-shadow: var(--verve-shadow-sm);
  margin-top: 2.5rem;
}

.verve-comparison-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.verve-comparison-table th, 
.verve-comparison-table td {
  padding: 1.35rem 1.75rem;
  border-bottom: 1px solid var(--verve-border);
  vertical-align: middle;
}

.verve-comparison-table th {
  background: var(--verve-bg-alt);
  font-weight: 700;
  font-size: 1rem;
}

.verve-col-highlight {
  background: rgba(37, 99, 235, 0.04);
  font-weight: 700;
  color: var(--verve-primary);
  border-left: 2px solid var(--verve-primary);
  border-right: 2px solid var(--verve-primary);
}

/* Timeline Stages */
.verve-timeline {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  margin-top: 3rem;
  position: relative;
}

.verve-timeline-step {
  background: #ffffff;
  border: 1px solid var(--verve-border);
  border-radius: var(--verve-radius-lg);
  padding: 1.75rem;
  position: relative;
}

.verve-step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--verve-primary);
  color: #ffffff;
  font-weight: 800;
  font-size: 1rem;
  margin-bottom: 1rem;
}

/* Testimonial Cards with tilt feel */
.verve-testimonial-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.verve-user-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-top: 1.5rem;
}
.verve-user-avatar {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--verve-primary-light);
}

/* Interactive Accordion FAQ */
.verve-faq-list {
  max-width: 860px;
  margin: 2.5rem auto 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.verve-faq-item {
  background: #ffffff;
  border: 1px solid var(--verve-border);
  border-radius: var(--verve-radius-lg);
  overflow: hidden;
  transition: var(--verve-transition);
}

.verve-faq-trigger {
  width: 100%;
  padding: 1.5rem 1.75rem;
  text-align: left;
  background: none;
  border: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--verve-text-main);
  cursor: pointer;
}

.verve-faq-trigger:hover {
  color: var(--verve-primary);
}

.verve-faq-icon {
  width: 24px;
  height: 24px;
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

.verve-faq-content {
  padding: 0 1.75rem 1.5rem 1.75rem;
  color: var(--verve-text-muted);
  line-height: 1.8;
  display: none;
}

.verve-faq-item.active .verve-faq-content {
  display: block;
}
.verve-faq-item.active .verve-faq-icon {
  transform: rotate(180deg);
}

/* ==========================================================================
   Lead Generation Form Section
   ========================================================================== */
.verve-form-wrapper {
  background: #ffffff;
  border: 1px solid var(--verve-border);
  border-radius: var(--verve-radius-xl);
  padding: 3rem;
  box-shadow: var(--verve-shadow-lg);
  max-width: 720px;
  margin: 0 auto;
}

.verve-form-group {
  margin-bottom: 1.5rem;
}

.verve-form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.verve-label {
  display: block;
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--verve-text-main);
}

.verve-req {
  color: #dc2626;
  margin-left: 0.25rem;
  font-size: 0.8rem;
  font-weight: 600;
}

.verve-input, .verve-select {
  width: 100%;
  padding: 0.9rem 1.25rem;
  border: 1px solid var(--verve-border);
  border-radius: var(--verve-radius-md);
  font-size: 1rem;
  background-color: var(--verve-bg-main);
  transition: var(--verve-transition);
}

.verve-input:focus, .verve-select:focus {
  outline: none;
  border-color: var(--verve-primary);
  background-color: #ffffff;
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.12);
}

.verve-checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.9rem;
  color: var(--verve-text-muted);
  cursor: pointer;
}
.verve-checkbox-label input {
  margin-top: 0.25rem;
  width: 18px;
  height: 18px;
  cursor: pointer;
  accent-color: var(--verve-primary);
}

.verve-form-feedback {
  margin-top: 1.5rem;
  padding: 1.25rem;
  border-radius: var(--verve-radius-md);
  display: none;
  font-weight: 600;
  line-height: 1.6;
}
.verve-feedback-success {
  background: #ecfdf5;
  border: 1px solid #6ee7b7;
  color: #065f46;
}
.verve-feedback-error {
  background: #fef2f2;
  border: 1px solid #fca5a5;
  color: #991b1b;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.verve-footer {
  background: var(--verve-bg-dark);
  color: var(--verve-text-light);
  padding: 4.5rem 0 2rem 0;
  border-top: 1px solid var(--verve-border-dark);
  font-size: 0.9rem;
}

.verve-footer a {
  color: #cbd5e1;
}
.verve-footer a:hover {
  color: #ffffff;
}

.verve-footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3rem;
  margin-bottom: 3.5rem;
}

.verve-footer-title {
  color: #ffffff;
  font-weight: 700;
  font-size: 1.05rem;
  margin-bottom: 1.25rem;
}

.verve-footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.verve-footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid var(--verve-border-dark);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  font-size: 0.85rem;
}

/* Cookie Consent Banner */
.verve-cookie-banner {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  left: 1.5rem;
  max-width: 480px;
  margin-left: auto;
  background: rgba(15, 23, 42, 0.96);
  backdrop-filter: blur(10px);
  color: #f8fafc;
  padding: 1.75rem;
  border-radius: var(--verve-radius-lg);
  border: 1px solid var(--verve-border-dark);
  box-shadow: var(--verve-shadow-lg);
  z-index: 9999;
  display: none;
  font-size: 0.9rem;
  line-height: 1.6;
}
.verve-cookie-buttons {
  display: flex;
  gap: 0.75rem;
  margin-top: 1.25rem;
}

/* Responsive Breakpoints */
@media (max-width: 1024px) {
  .verve-bento-grid {
    grid-template-columns: repeat(6, 1fr);
  }
  .verve-col-8, .verve-col-7, .verve-col-6, .verve-col-5, .verve-col-4, .verve-col-3 {
    grid-column: span 6;
  }
  .verve-footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .verve-nav-desktop {
    display: none;
  }
  .verve-mobile-toggle {
    display: block;
  }
  .verve-mobile-menu {
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    background: #ffffff;
    border-bottom: 1px solid var(--verve-border);
    padding: 1.5rem;
    display: none;
    flex-direction: column;
    gap: 1rem;
    box-shadow: var(--verve-shadow-md);
  }
  .verve-mobile-menu.open {
    display: flex;
  }
  .verve-bento-grid {
    grid-template-columns: 1fr;
  }
  .verve-col-12, .verve-col-8, .verve-col-7, .verve-col-6, .verve-col-5, .verve-col-4, .verve-col-3 {
    grid-column: span 1;
  }
  .verve-form-row {
    grid-template-columns: 1fr;
  }
  .verve-form-wrapper {
    padding: 1.75rem 1.25rem;
  }
  .verve-footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}