/* =====================================================================
   SmartDojo Landing Page – Custom Styles
   ===================================================================== */

/* --- CSS Custom Properties ------------------------------------------ */
:root {
  --sd-primary: #0d6efd;
  --sd-primary-dark: #0a58ca;
  --sd-primary-light: #e7f0ff;
  --sd-secondary: #6c757d;
  --sd-dark: #1d2630;
  --sd-text-muted: #5b6b79;
  --sd-bg-light: #f8f9fa;
  --sd-bg-section: #f3f5f7;
  --sd-border: #dee2e6;
  --sd-card-shadow: 0 4px 24px rgba(13, 110, 253, 0.08);
  --sd-radius: 12px;
  --sd-radius-lg: 20px;
  --sd-transition: 0.25s ease;
}

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

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  color: var(--sd-dark);
  overflow-x: hidden;
  background: #ffffff;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  color: var(--sd-dark);
}

/* --- Navbar --------------------------------------------------------- */
.sd-navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1050;
  padding: 14px 0;
  transition: background var(--sd-transition), box-shadow var(--sd-transition);
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
}

.sd-navbar.scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
  border-bottom-color: var(--sd-border);
}

.sd-navbar .navbar-brand {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--sd-primary);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 8px;
}

.sd-navbar .navbar-brand .brand-icon {
  width: 36px;
  height: 36px;
  background: var(--sd-primary);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.1rem;
}

.sd-navbar .nav-link {
  font-weight: 500;
  color: var(--sd-text-muted);
  padding: 6px 14px !important;
  border-radius: 8px;
  transition: color var(--sd-transition), background var(--sd-transition);
}

.sd-navbar .nav-link:hover,
.sd-navbar .nav-link:focus {
  color: var(--sd-primary);
  background: var(--sd-primary-light);
}

.btn-login {
  background: var(--sd-primary);
  color: #fff !important;
  border-radius: 10px;
  padding: 8px 20px !important;
  font-weight: 600;
  transition: background var(--sd-transition), transform var(--sd-transition), box-shadow var(--sd-transition);
  box-shadow: 0 4px 14px rgba(13, 110, 253, 0.3);
}

.btn-login:hover {
  background: var(--sd-primary-dark) !important;
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(13, 110, 253, 0.4);
}

/* --- Hero ----------------------------------------------------------- */
.sd-hero {
  min-height: 100vh;
  background: linear-gradient(135deg, #0d6efd 0%, #0a3d91 60%, #1d2630 100%);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 120px 0 80px;
}

.sd-hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 700px;
  height: 700px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.04);
  pointer-events: none;
}

.sd-hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.04);
  pointer-events: none;
}

.sd-hero .hero-badge {
  display: inline-block;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: #fff;
  padding: 6px 18px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 20px;
  backdrop-filter: blur(4px);
}

.sd-hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 800;
  color: #ffffff;
  line-height: 1.15;
  margin-bottom: 24px;
}

.sd-hero h1 span {
  color: #7dd3fc;
}

.sd-hero .hero-subtitle {
  font-size: 1.15rem;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 36px;
  max-width: 520px;
  line-height: 1.7;
}

.sd-hero .btn-hero-primary {
  background: #ffffff;
  color: var(--sd-primary);
  border: none;
  border-radius: 12px;
  padding: 14px 32px;
  font-size: 1rem;
  font-weight: 700;
  transition: all var(--sd-transition);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.sd-hero .btn-hero-primary:hover {
  background: #f0f7ff;
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
}

.sd-hero .btn-hero-secondary {
  background: transparent;
  color: rgba(255, 255, 255, 0.9);
  border: 2px solid rgba(255, 255, 255, 0.4);
  border-radius: 12px;
  padding: 12px 28px;
  font-size: 1rem;
  font-weight: 600;
  transition: all var(--sd-transition);
}

.sd-hero .btn-hero-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.7);
  color: #fff;
}

/* App mockup in hero */
.hero-mockup {
  position: relative;
  z-index: 2;
}

.hero-mockup .mockup-browser {
  background: #1e2a35;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 40px 80px rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.hero-mockup .mockup-browser .browser-bar {
  background: #2d3b47;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.browser-dots {
  display: flex;
  gap: 6px;
}

.browser-dots span {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  display: block;
}

.browser-dots span:nth-child(1) { background: #ff5f57; }
.browser-dots span:nth-child(2) { background: #ffbd2e; }
.browser-dots span:nth-child(3) { background: #28c840; }

.browser-url {
  flex: 1;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 6px;
  padding: 4px 12px;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.5);
  margin-left: 8px;
  font-family: monospace;
}

.mockup-content {
  padding: 0;
  background: #f8f9fa;
}

/* App UI mockup inside browser */
.app-mockup-ui {
  background: #f3f5f7;
  min-height: 320px;
  padding: 16px;
}

.mockup-sidebar {
  width: 56px;
  background: #1d2630;
  border-radius: 12px;
  padding: 12px 8px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: center;
}

.mockup-sidebar-item {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.9rem;
}

.mockup-sidebar-item.active {
  background: var(--sd-primary);
  color: #fff;
}

.mockup-main {
  flex: 1;
  padding: 0 12px;
}

.mockup-table-row {
  background: #fff;
  border-radius: 8px;
  padding: 10px 14px;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.06);
}

.mockup-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}

.mockup-badge {
  font-size: 0.7rem;
  padding: 2px 8px;
  border-radius: 20px;
  font-weight: 600;
}

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

.sd-section-alt {
  background: var(--sd-bg-section);
}

.section-label {
  display: inline-block;
  background: var(--sd-primary-light);
  color: var(--sd-primary);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  padding: 6px 16px;
  border-radius: 50px;
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 800;
  color: var(--sd-dark);
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--sd-text-muted);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.7;
}

/* --- Feature Cards -------------------------------------------------- */
.feature-card {
  background: #fff;
  border-radius: var(--sd-radius-lg);
  padding: 32px 28px;
  height: 100%;
  border: 1px solid var(--sd-border);
  transition: transform var(--sd-transition), box-shadow var(--sd-transition), border-color var(--sd-transition);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--sd-primary), #7dd3fc);
  opacity: 0;
  transition: opacity var(--sd-transition);
  border-radius: var(--sd-radius-lg) var(--sd-radius-lg) 0 0;
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--sd-card-shadow);
  border-color: rgba(13, 110, 253, 0.2);
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
}

.feature-icon-blue { background: #e7f0ff; color: #0d6efd; }
.feature-icon-green { background: #e6f9f1; color: #198754; }
.feature-icon-orange { background: #fff3e6; color: #fd7e14; }
.feature-icon-purple { background: #f0e6ff; color: #6f42c1; }
.feature-icon-red { background: #fde8e8; color: #dc3545; }
.feature-icon-teal { background: #e0f5f5; color: #20c997; }

.feature-card h5 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--sd-dark);
}

.feature-card p {
  font-size: 0.92rem;
  color: var(--sd-text-muted);
  line-height: 1.65;
  margin: 0;
}

/* --- Screenshots / Demo Section ------------------------------------ */
.screenshot-tabs .nav-pills .nav-link {
  color: var(--sd-text-muted);
  border-radius: 10px;
  padding: 10px 20px;
  font-weight: 600;
  font-size: 0.9rem;
  transition: all var(--sd-transition);
}

.screenshot-tabs .nav-pills .nav-link.active {
  background: var(--sd-primary);
  color: #fff;
}

.screenshot-tabs .nav-pills .nav-link:hover:not(.active) {
  background: var(--sd-primary-light);
  color: var(--sd-primary);
}

.app-screenshot {
  border-radius: var(--sd-radius-lg);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.12);
  overflow: hidden;
  border: 1px solid var(--sd-border);
}

.app-screenshot .screenshot-bar {
  background: #1d2630;
  padding: 10px 16px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.screenshot-bar .dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.screenshot-bar .dot-red { background: #ff5f57; }
.screenshot-bar .dot-yellow { background: #ffbd2e; }
.screenshot-bar .dot-green { background: #28c840; }

.screenshot-content {
  background: #f3f5f7;
  padding: 20px;
}

/* Mock app screens */
.mock-screen {
  background: #fff;
  border-radius: 10px;
  padding: 16px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

.mock-header-bar {
  background: #1d2630;
  border-radius: 8px;
  padding: 10px 16px;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.mock-header-bar span {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.85rem;
}

.mock-header-bar strong {
  color: #fff;
  font-size: 0.9rem;
}

.mock-row {
  background: #f8f9fa;
  border-radius: 6px;
  padding: 8px 12px;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.mock-row .name {
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--sd-dark);
  flex: 1;
}

.mock-row .group {
  font-size: 0.75rem;
  padding: 2px 10px;
  border-radius: 20px;
  font-weight: 600;
}

.mock-row .belt {
  font-size: 0.75rem;
  color: var(--sd-text-muted);
}

.belt-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 2px solid #dee2e6;
  display: inline-block;
  margin-right: 4px;
  vertical-align: middle;
}

/* Belt colors */
.belt-white { background: #fff; border-color: #ccc; }
.belt-yellow { background: #ffc107; border-color: #e0a800; }
.belt-orange { background: #fd7e14; border-color: #dc6502; }
.belt-green { background: #198754; border-color: #146c43; }
.belt-blue { background: #0d6efd; border-color: #0a58ca; }
.belt-brown { background: #8B4513; border-color: #6d3610; }
.belt-black { background: #212529; border-color: #000; }

/* Calendar mock */
.mock-calendar {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
}

.cal-day {
  aspect-ratio: 1;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--sd-text-muted);
  background: #f8f9fa;
}

.cal-day.has-event {
  background: var(--sd-primary);
  color: #fff;
}

.cal-day.today {
  background: #e7f0ff;
  color: var(--sd-primary);
  font-weight: 800;
}

.cal-day.header {
  background: transparent;
  color: var(--sd-secondary);
  font-size: 0.7rem;
  text-transform: uppercase;
}

/* --- Stats Section ------------------------------------------------- */
.stat-card {
  text-align: center;
  padding: 40px 20px;
}

.stat-number {
  font-size: 3rem;
  font-weight: 800;
  color: var(--sd-primary);
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 0.95rem;
  color: var(--sd-text-muted);
  font-weight: 500;
}

/* --- Steps Section ------------------------------------------------- */
.step-card {
  text-align: center;
  padding: 20px;
}

.step-number {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--sd-primary);
  color: #fff;
  font-size: 1.5rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  box-shadow: 0 8px 24px rgba(13, 110, 253, 0.3);
}

.step-connector {
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: 30px;
}

.step-connector i {
  color: var(--sd-border);
  font-size: 1.5rem;
}

/* --- Testimonial / Club Section ------------------------------------ */
.club-card {
  background: #fff;
  border-radius: var(--sd-radius-lg);
  padding: 32px;
  box-shadow: var(--sd-card-shadow);
  border: 1px solid var(--sd-border);
  height: 100%;
}

.club-avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--sd-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  font-weight: 700;
  flex-shrink: 0;
}

/* --- CTA Section --------------------------------------------------- */
.sd-cta {
  background: linear-gradient(135deg, #0d6efd 0%, #0a3d91 100%);
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}

.sd-cta::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  pointer-events: none;
}

.sd-cta h2 {
  color: #fff;
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  margin-bottom: 16px;
}

.sd-cta p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 1.1rem;
}

.btn-cta-primary {
  background: #fff;
  color: var(--sd-primary);
  border-radius: 12px;
  padding: 14px 36px;
  font-size: 1rem;
  font-weight: 700;
  border: none;
  transition: all var(--sd-transition);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.btn-cta-primary:hover {
  background: #f0f7ff;
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
  color: var(--sd-primary);
}

/* --- Footer --------------------------------------------------------- */
.sd-footer {
  background: var(--sd-dark);
  color: rgba(255, 255, 255, 0.7);
  padding: 48px 0 24px;
}

.sd-footer .footer-brand {
  color: #fff;
  font-size: 1.3rem;
  font-weight: 800;
  margin-bottom: 12px;
}

.sd-footer .footer-brand .brand-icon {
  width: 32px;
  height: 32px;
  background: var(--sd-primary);
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1rem;
  margin-right: 8px;
  vertical-align: middle;
}

.sd-footer p {
  font-size: 0.9rem;
  line-height: 1.7;
  margin: 0;
}

.sd-footer .footer-divider {
  border-color: rgba(255, 255, 255, 0.1);
  margin: 24px 0;
}

.sd-footer .footer-copy {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.4);
}

.sd-footer a {
  color: rgba(255, 255, 255, 0.6);
  text-decoration: none;
  transition: color var(--sd-transition);
}

.sd-footer a:hover {
  color: #fff;
}

/* --- Utility / Misc ------------------------------------------------ */
.text-primary-custom { color: var(--sd-primary); }

.pill-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 14px;
  border-radius: 50px;
  font-size: 0.82rem;
  font-weight: 600;
}

.pill-badge-blue { background: var(--sd-primary-light); color: var(--sd-primary); }
.pill-badge-green { background: #e6f9f1; color: #198754; }
.pill-badge-orange { background: #fff3e6; color: #fd7e14; }

/* Scroll reveal animation */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- Responsive adjustments ---------------------------------------- */
@media (max-width: 991.98px) {
  .sd-navbar .navbar-collapse {
    background: #ffffff;
    border-top: 1px solid var(--sd-border);
    border-radius: 0 0 12px 12px;
    padding: 8px 0 12px;
    margin-top: 8px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
  }

  .sd-navbar .navbar-collapse .navbar-nav {
    padding: 0 8px;
  }

  .sd-navbar .navbar-collapse .d-flex {
    padding: 0 8px;
    margin-top: 8px !important;
  }

  .sd-hero {
    padding: 100px 0 60px;
    text-align: center;
  }

  .sd-hero .hero-subtitle {
    margin: 0 auto 36px;
  }

  .sd-hero .d-flex.gap-3 {
    justify-content: center;
  }

  .hero-mockup {
    margin-top: 48px;
  }

  .step-connector {
    display: none;
  }

  .feature-card {
    margin-bottom: 16px;
  }
}

@media (max-width: 767.98px) {
  .sd-section {
    padding: 60px 0;
  }

  .sd-hero {
    min-height: auto;
    padding: 90px 0 50px;
  }

  .stat-number {
    font-size: 2.4rem;
  }

  .sd-cta {
    padding: 60px 0;
    text-align: center;
  }

  .sd-cta .d-flex {
    justify-content: center !important;
  }
}