/**
 * EduManage Lite - Custom Landing Page Styling
 * Portofolio Digital Kids: GLADIS
 * Palette:
 * - Deep Navy:   #102A43
 * - Electric Blue: #1976D2
 * - Digital Cyan:  #24C7D9
 * - Fresh Green:   #52B788
 * - Background:    #F8FAFC
 */

:root {
  --color-deep-navy: #102A43;
  --color-deep-navy-dark: #0A1C2E;
  --color-electric-blue: #1976D2;
  --color-electric-blue-hover: #1565C0;
  --color-digital-cyan: #24C7D9;
  --color-fresh-green: #52B788;
  --color-fresh-green-dark: #2D6A4F;
  --color-warning-amber: #F59E0B;
  --color-danger-rose: #EF4444;
  --color-bg-light: #F8FAFC;
  --color-bg-alt: #F1F5F9;
  --color-border: #E2E8F0;
  --color-text-main: #1E293B;
  --color-text-muted: #64748B;
  --color-white: #FFFFFF;
  --font-family-base: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --shadow-sm: 0 2px 4px rgba(16, 42, 67, 0.05);
  --shadow-md: 0 10px 25px -5px rgba(16, 42, 67, 0.08), 0 8px 10px -6px rgba(16, 42, 67, 0.04);
  --shadow-lg: 0 20px 30px -10px rgba(16, 42, 67, 0.12), 0 10px 15px -5px rgba(16, 42, 67, 0.06);
  --shadow-mockup: 0 25px 50px -12px rgba(16, 42, 67, 0.25);
  --transition-smooth: all 0.25s ease-in-out;
}

/* Base & Typography */
html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family-base);
  color: var(--color-text-main);
  background-color: var(--color-bg-light);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Skip Link for Accessibility */
.skip-link {
  position: absolute;
  top: -40px;
  left: 20px;
  background: var(--color-electric-blue);
  color: #fff;
  padding: 8px 16px;
  border-radius: 4px;
  z-index: 9999;
  transition: top 0.2s ease;
  text-decoration: none;
  font-weight: 600;
}
.skip-link:focus {
  top: 15px;
}

/* Focus styles for keyboard accessibility */
a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 3px solid var(--color-digital-cyan);
  outline-offset: 2px;
}

/* Wordmark Styling */
.brand-wordmark {
  font-weight: 800;
  font-size: 1.4rem;
  letter-spacing: -0.5px;
  color: var(--color-deep-navy);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}
.brand-wordmark .brand-main {
  color: var(--color-deep-navy);
}
.brand-wordmark .brand-badge {
  background: linear-gradient(135deg, var(--color-electric-blue), var(--color-digital-cyan));
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 6px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  display: inline-block;
  line-height: 1.3;
}

/* Sticky Navbar */
.navbar-custom {
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  transition: var(--transition-smooth);
  padding-top: 0.75rem;
  padding-bottom: 0.75rem;
}
.navbar-custom .nav-link {
  color: var(--color-text-main);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.5rem 1rem !important;
  border-radius: 8px;
  transition: var(--transition-smooth);
}
.navbar-custom .nav-link:hover,
.navbar-custom .nav-link.active {
  color: var(--color-electric-blue);
  background-color: rgba(25, 118, 210, 0.08);
}
.navbar-custom .btn-nav-login {
  background-color: var(--color-electric-blue);
  color: #fff !important;
  font-weight: 600;
  border-radius: 8px;
  padding: 0.45rem 1.25rem !important;
  transition: var(--transition-smooth);
  border: 1px solid transparent;
}
.navbar-custom .btn-nav-login:hover {
  background-color: var(--color-electric-blue-hover);
  box-shadow: 0 4px 12px rgba(25, 118, 210, 0.3);
  transform: translateY(-1px);
}

/* Hero Section */
.hero-section {
  position: relative;
  background: radial-gradient(circle at 85% 15%, rgba(36, 199, 217, 0.12) 0%, transparent 45%),
              radial-gradient(circle at 10% 80%, rgba(25, 118, 210, 0.08) 0%, transparent 40%),
              #FFFFFF;
  padding-top: 5rem;
  padding-bottom: 4.5rem;
  border-bottom: 1px solid var(--color-border);
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: rgba(25, 118, 210, 0.09);
  color: var(--color-electric-blue);
  font-size: 0.82rem;
  font-weight: 700;
  padding: 0.35rem 0.9rem;
  border-radius: 9999px;
  border: 1px solid rgba(25, 118, 210, 0.2);
  margin-bottom: 1.25rem;
}
.hero-badge-dot {
  width: 8px;
  height: 8px;
  background-color: var(--color-fresh-green);
  border-radius: 50%;
  display: inline-block;
  box-shadow: 0 0 0 3px rgba(82, 183, 136, 0.3);
}
.hero-title {
  color: var(--color-deep-navy);
  font-size: 2.75rem;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 1.25rem;
}
.hero-lead {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: 2rem;
  max-width: 580px;
}
.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  margin-bottom: 2.5rem;
}
.btn-primary-custom {
  background: linear-gradient(135deg, var(--color-electric-blue), #1565C0);
  color: #FFFFFF;
  border: none;
  font-weight: 700;
  padding: 0.85rem 1.85rem;
  border-radius: 10px;
  box-shadow: 0 4px 14px rgba(25, 118, 210, 0.35);
  transition: var(--transition-smooth);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
}
.btn-primary-custom:hover {
  background: linear-gradient(135deg, #1565C0, #0D47A1);
  color: #FFFFFF;
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(25, 118, 210, 0.45);
}
.btn-secondary-custom {
  background-color: #FFFFFF;
  color: var(--color-deep-navy);
  border: 1.5px solid var(--color-border);
  font-weight: 600;
  padding: 0.85rem 1.6rem;
  border-radius: 10px;
  transition: var(--transition-smooth);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
}
.btn-secondary-custom:hover {
  background-color: var(--color-bg-alt);
  color: var(--color-electric-blue);
  border-color: var(--color-electric-blue);
  transform: translateY(-2px);
}
.hero-highlights {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  border-top: 1px solid var(--color-border);
  padding-top: 1.5rem;
}
.hero-highlight-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-text-main);
}
.hero-highlight-icon {
  color: var(--color-fresh-green);
  font-size: 1.1rem;
}

/* CSS Mockup Dashboard Illustration */
.mockup-wrapper {
  background: #FFFFFF;
  border-radius: 16px;
  border: 1px solid rgba(16, 42, 67, 0.12);
  box-shadow: var(--shadow-mockup);
  overflow: hidden;
  transition: transform 0.3s ease;
}
.mockup-wrapper:hover {
  transform: translateY(-4px);
}
.mockup-header {
  background: var(--color-deep-navy);
  padding: 0.7rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.mockup-dots {
  display: flex;
  gap: 6px;
}
.mockup-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.mockup-dot.red { background-color: #EF4444; }
.mockup-dot.yellow { background-color: #F59E0B; }
.mockup-dot.green { background-color: #10B981; }
.mockup-address-bar {
  flex-grow: 1;
  background: rgba(255, 255, 255, 0.12);
  color: #CBD5E1;
  font-size: 0.72rem;
  padding: 4px 12px;
  border-radius: 6px;
  font-family: monospace;
}
.mockup-body {
  background: var(--color-bg-light);
  padding: 1.25rem;
}
.mockup-stat-card {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 0.85rem;
  box-shadow: var(--shadow-sm);
}
.mockup-stat-label {
  font-size: 0.72rem;
  color: var(--color-text-muted);
  font-weight: 600;
  text-transform: uppercase;
}
.mockup-stat-value {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--color-deep-navy);
  line-height: 1.2;
}
.mockup-stat-sub {
  font-size: 0.68rem;
  color: var(--color-fresh-green-dark);
  font-weight: 600;
}
.mockup-table-card {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 0.85rem;
  margin-top: 1rem;
}
.mockup-table-title {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--color-deep-navy);
  margin-bottom: 0.6rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.mockup-table {
  width: 100%;
  font-size: 0.75rem;
  border-collapse: collapse;
}
.mockup-table th {
  background: var(--color-bg-alt);
  color: var(--color-text-muted);
  font-weight: 700;
  padding: 6px 8px;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}
.mockup-table td {
  padding: 7px 8px;
  border-bottom: 1px solid #F1F5F9;
  vertical-align: middle;
}
.badge-status {
  display: inline-block;
  padding: 2px 7px;
  font-size: 0.68rem;
  font-weight: 700;
  border-radius: 4px;
}
.badge-hadir { background-color: #D1FAE5; color: #065F46; }
.badge-izin { background-color: #DBEAFE; color: #1E40AF; }
.badge-sakit { background-color: #FEF3C7; color: #92400E; }
.badge-alpa { background-color: #FEE2E2; color: #991B1B; }

/* Section Title & Subtitle */
.section-tag {
  color: var(--color-electric-blue);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}
.section-title {
  font-size: 2.15rem;
  font-weight: 800;
  color: var(--color-deep-navy);
  letter-spacing: -0.02em;
  margin-bottom: 0.85rem;
}
.section-lead {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  max-width: 650px;
  margin: 0 auto 3rem auto;
}

/* Problem Cards */
.problem-card {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 1.5rem;
  height: 100%;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}
.problem-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: #EF4444;
  opacity: 0.6;
}
.problem-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: #FCA5A5;
}
.problem-icon-box {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background-color: #FEE2E2;
  color: #B91C1C;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

/* Benefit Cards */
.benefit-card {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: 14px;
  padding: 1.75rem;
  height: 100%;
  transition: var(--transition-smooth);
}
.benefit-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(36, 199, 217, 0.5);
}
.benefit-icon-box {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(25, 118, 210, 0.12), rgba(36, 199, 217, 0.18));
  color: var(--color-electric-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 1.2rem;
}

/* Feature Cards */
.feature-card {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: 14px;
  padding: 1.75rem;
  height: 100%;
  transition: var(--transition-smooth);
  display: flex;
  flex-direction: column;
}
.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-digital-cyan);
}
.feature-tag {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-electric-blue);
  background: rgba(25, 118, 210, 0.08);
  padding: 3px 8px;
  border-radius: 6px;
  align-self: flex-start;
  margin-bottom: 1rem;
}

/* Workflow Step Cards */
.step-card {
  position: relative;
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: 14px;
  padding: 1.75rem 1.5rem;
  height: 100%;
  transition: var(--transition-smooth);
}
.step-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.step-number {
  width: 40px;
  height: 40px;
  background: var(--color-deep-navy);
  color: var(--color-digital-cyan);
  font-weight: 800;
  font-size: 1.15rem;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.2rem;
}

/* MVP Scope Box */
.scope-box {
  background: #FFFFFF;
  border-radius: 16px;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
  padding: 2.25rem;
}
@media (min-width: 768px) {
  .border-start-md {
    border-left: 1px solid var(--color-border) !important;
    padding-left: 2rem !important;
  }
}
.scope-included-item {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  margin-bottom: 0.85rem;
  font-size: 0.95rem;
}
.scope-excluded-item {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  margin-bottom: 0.85rem;
  font-size: 0.95rem;
  color: var(--color-text-muted);
}

/* CTA Final Section */
.cta-banner {
  background: linear-gradient(135deg, var(--color-deep-navy) 0%, #173859 100%);
  color: #FFFFFF;
  border-radius: 20px;
  padding: 3.5rem 2rem;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.cta-banner::before {
  content: "";
  position: absolute;
  top: -60px;
  right: -60px;
  width: 250px;
  height: 250px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(36, 199, 217, 0.25) 0%, transparent 70%);
}

/* Footer */
.footer-custom {
  background-color: var(--color-deep-navy-dark);
  color: #94A3B8;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 2.5rem 0;
  font-size: 0.9rem;
}
.footer-custom .brand-wordmark .brand-main {
  color: #FFFFFF;
}

/* Responsive tweaks */
@media (max-width: 991.98px) {
  .hero-title {
    font-size: 2.2rem;
  }
  .section-title {
    font-size: 1.85rem;
  }
}

@media (max-width: 767.98px) {
  .hero-section {
    padding-top: 3.5rem;
    padding-bottom: 3.5rem;
  }
  .hero-title {
    font-size: 1.9rem;
  }
  .hero-lead {
    font-size: 1rem;
  }
  .hero-cta-group {
    flex-direction: column;
    align-items: stretch;
  }
  .btn-primary-custom,
  .btn-secondary-custom {
    justify-content: center;
    width: 100%;
  }
  .mockup-table {
    font-size: 0.7rem;
  }
  .cta-banner {
    padding: 2.5rem 1.5rem;
  }
}

@media (max-width: 390px) {
  .hero-title {
    font-size: 1.65rem;
  }
  .brand-wordmark {
    font-size: 1.2rem;
  }
  .mockup-body {
    padding: 0.75rem;
  }
  .mockup-stat-value {
    font-size: 1.1rem;
  }
}