/* ===================================
   AI Marketing Mentorship - Shared Styles
   =================================== */

:root {
  /* Colors */
  --bg-primary: #f8f6f2;
  --bg-secondary: #ffffff;
  --bg-card: #ffffff;
  --bg-glass: rgba(255, 255, 255, 0.8);

  --accent-cyan: #0c2340;
  --accent-orange: #d1662a;
  --accent-purple: #1f2b3d;
  --accent-green: #2f855a;
  --accent-pink: #b83280;
  --accent-yellow: #d69e2e;

  --text-primary: #11131a;
  --text-secondary: #4a5568;
  --text-muted: #6b7280;

  --border-color: #e3e0db;

  --font-display: 'DM Sans', 'Plus Jakarta Sans', sans-serif;
  --font-body: 'Source Sans 3', 'Plus Jakarta Sans', sans-serif;

  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 24px;
  --radius-full: 9999px;

  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-primary);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(ellipse 80% 50% at 20% 40%, rgba(12, 35, 64, 0.08), transparent),
    radial-gradient(ellipse 60% 40% at 80% 60%, rgba(12, 35, 64, 0.05), transparent);
  pointer-events: none;
  z-index: -1;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
ul, ol { list-style: none; }

.container {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

/* Typography */
.text-gradient {
  color: var(--accent-cyan);
}

.text-gradient-orange {
  color: var(--accent-orange);
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--text-secondary);
  margin-bottom: var(--space-lg);
}

.section-tag::before {
  content: '';
  width: 8px;
  height: 8px;
  background: var(--accent-cyan);
  border-radius: 50%;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--space-md);
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 600px;
  text-align: center;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-4xl);
}

.section-header .section-subtitle {
  margin: 0 auto;
}

/* ===================================
   Header & Navigation
   =================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: var(--space-md) 0;
  background: rgba(248, 246, 242, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  transition: all var(--transition-base);
}

.header.scrolled {
  padding: var(--space-sm) 0;
  background: rgba(248, 246, 242, 0.98);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-xl);
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.logo-icon {
  width: 36px;
  height: 36px;
  background: transparent;
  border: 1px solid var(--accent-cyan);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  background: transparent;
  padding: 0;
  border-radius: var(--radius-full);
  z-index: 200;
}

.nav-link {
  padding: var(--space-sm) var(--space-lg);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
  color: var(--accent-cyan);
  background: rgba(12, 35, 64, 0.05);
}

.nav-link.active {
  background: rgba(12, 35, 64, 0.1);
  color: var(--accent-cyan);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  z-index: 210;
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
}

.nav-toggle:hover {
  background: rgba(12, 35, 64, 0.05);
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 1px;
  transition: all var(--transition-base);
  transform-origin: center;
}

/* Hamburger to X animation */
.nav-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.nav-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ===================================
   Buttons
   =================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
}

.btn-primary {
  background: var(--accent-cyan);
  color: #ffffff;
  box-shadow: 0 4px 16px rgba(12, 35, 64, 0.15);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(12, 35, 64, 0.2);
}

.btn-secondary {
  background: transparent;
  color: var(--accent-cyan);
  border: 1px solid var(--accent-cyan);
}

.btn-secondary:hover {
  border-color: var(--accent-cyan);
  background: rgba(12, 35, 64, 0.06);
}

/* ===================================
   Page Hero (for inner pages)
   =================================== */
.page-hero {
  padding: 150px 0 var(--space-4xl);
  text-align: center;
  position: relative;
}

.page-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 400px;
  background: radial-gradient(circle, rgba(12, 35, 64, 0.08), transparent 70%);
  filter: blur(60px);
  pointer-events: none;
}

.page-hero .section-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
}

/* ===================================
   Footer
   =================================== */
.footer {
  padding: var(--space-3xl) 0;
  border-top: 1px solid var(--border-color);
  text-align: center;
  margin-top: var(--space-4xl);
}

.footer-logo {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: var(--space-md);
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
}

.footer-text {
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin-bottom: var(--space-lg);
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: var(--space-xl);
  flex-wrap: wrap;
}

.footer-link {
  color: var(--text-secondary);
  font-size: 0.875rem;
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--accent-cyan);
}

/* ===================================
   Goals Cards
   =================================== */
.goals-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.goal-card {
  background: var(--bg-card);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  transition: all var(--transition-base);
  opacity: 0;
  transform: translateY(30px);
}

.goal-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.goal-card:nth-child(1) { --card-accent: var(--accent-cyan); }
.goal-card:nth-child(2) { --card-accent: var(--accent-purple); }
.goal-card:nth-child(3) { --card-accent: var(--accent-green); }
.goal-card:nth-child(4) { --card-accent: var(--accent-cyan); }
.goal-card:nth-child(5) { --card-accent: var(--accent-purple); }
.goal-card:nth-child(6) { --card-accent: var(--accent-orange); }

.goal-card:hover {
  transform: translateY(-8px);
  border-color: var(--card-accent);
  box-shadow: 0 12px 28px rgba(12, 35, 64, 0.1);
}

.goal-icon {
  width: 64px;
  height: 64px;
  background: rgba(12, 35, 64, 0.04);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin-bottom: var(--space-lg);
  border: 1px solid rgba(12, 35, 64, 0.08);
}

.goal-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: var(--space-md);
  color: var(--card-accent);
}

.goal-desc {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-lg);
}

.goal-points {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.goal-point {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.goal-point::before {
  content: '';
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-top: 6px;
  background: var(--card-accent);
  flex-shrink: 0;
}

/* ===================================
   Timeline / Curriculum
   =================================== */
.timeline {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--accent-cyan), var(--accent-purple), var(--accent-orange));
  border-radius: var(--radius-full);
}

.timeline-month {
  position: relative;
  padding-left: var(--space-3xl);
  margin-bottom: var(--space-3xl);
}

.timeline-month:last-child {
  margin-bottom: 0;
}

.month-marker {
  position: absolute;
  left: -8px;
  top: 0;
  width: 20px;
  height: 20px;
  background: var(--bg-primary);
  border: 3px solid var(--accent-cyan);
  border-radius: 50%;
  box-shadow: 0 0 20px var(--accent-cyan);
}

.month-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--space-xl);
  display: flex;
  align-items: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.month-badge {
  font-size: 0.75rem;
  padding: var(--space-xs) var(--space-md);
  background: rgba(12, 35, 64, 0.06);
  border: 1px solid rgba(12, 35, 64, 0.2);
  border-radius: var(--radius-full);
  color: var(--accent-cyan);
}

.week-cards {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.week-card {
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: all var(--transition-base);
  opacity: 0;
  transform: translateX(-30px);
}

.week-card.visible {
  opacity: 1;
  transform: translateX(0);
}

.week-card:hover {
  border-color: var(--accent-cyan);
  transform: translateX(8px);
  box-shadow: 0 10px 24px rgba(12, 35, 64, 0.12);
}

.week-header {
  padding: var(--space-lg) var(--space-xl);
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  transition: background var(--transition-fast);
}

.week-header:hover {
  background: rgba(12, 35, 64, 0.05);
}

.week-info {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.week-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
}

.week-duration {
  font-size: 0.75rem;
  padding: var(--space-xs) var(--space-sm);
  background: var(--bg-secondary);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
}

.week-toggle {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.week-card.expanded .week-toggle {
  transform: rotate(180deg);
  background: var(--accent-cyan);
  color: var(--bg-primary);
}

.week-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow);
}

.week-card.expanded .week-content {
  max-height: 2000px; /* allow longer sections without clipping */
}

.week-details {
  padding: 0 var(--space-xl) var(--space-xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.detail-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  border-left: 3px solid var(--item-color);
  position: relative;
}

.detail-item.reading { --item-color: var(--accent-purple); }
.detail-item.hands-on { --item-color: var(--accent-orange); }
.detail-item.training { --item-color: var(--accent-green); }

.detail-icon {
  font-size: 1.25rem;
  flex-shrink: 0;
}

.detail-content {
  flex: 1;
}

.detail-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--item-color);
  margin-bottom: var(--space-xs);
}

.detail-text {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.milestone-toggle {
  margin-left: auto;
  padding: 8px 12px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-color);
  background: var(--bg-primary);
  color: var(--text-secondary);
  font-size: 0.75rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.milestone-check {
  display: inline-flex;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 1px solid var(--border-color);
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
}

.milestone-toggle[aria-pressed="true"] {
  color: var(--accent-green);
  border-color: var(--accent-green);
  background: rgba(56, 230, 150, 0.1);
  box-shadow: 0 8px 20px rgba(56, 230, 150, 0.25);
}

.milestone-toggle[aria-pressed="true"] .milestone-check {
  background: var(--accent-green);
  color: var(--bg-primary);
  border-color: var(--accent-green);
}

.detail-item.milestone-done {
  border-left-color: var(--accent-green);
  background: rgba(56, 230, 150, 0.08);
}

.detail-item.milestone-done .detail-text {
  color: var(--text-primary);
  text-decoration: line-through;
  opacity: 0.75;
}

.detail-item.milestone-done .detail-label {
  color: var(--accent-green);
}

/* ===================================
   Tools Grid
   =================================== */
.tools-categories {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-2xl);
}

.category-btn {
  padding: var(--space-sm) var(--space-lg);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
}

.category-btn:hover,
.category-btn.active {
  color: var(--bg-primary);
  background: var(--accent-cyan);
  border-color: var(--accent-cyan);
}

.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: var(--space-lg);
}

.tool-card {
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  text-align: center;
  transition: all var(--transition-base);
  opacity: 0;
  transform: scale(0.9);
}

.tool-card.visible {
  opacity: 1;
  transform: scale(1);
}

.tool-card:hover {
  transform: translateY(-4px) scale(1.02);
  border-color: var(--accent-cyan);
  box-shadow: 0 12px 30px rgba(12, 35, 64, 0.12);
}

.tool-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, rgba(12, 35, 64, 0.08), rgba(31, 43, 61, 0.06));
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin: 0 auto var(--space-md);
}

.tool-name {
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: 700;
  margin-bottom: var(--space-xs);
}

.tool-category {
  font-size: 0.6875rem;
  padding: var(--space-xs) var(--space-sm);
  background: var(--bg-secondary);
  border-radius: var(--radius-sm);
  color: var(--accent-cyan);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: inline-block;
  margin-bottom: var(--space-sm);
}

.tool-desc {
  font-size: 0.8125rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ===================================
   Responsive
   =================================== */
@media (max-width: 1024px) {
  .container {
    padding: 0 var(--space-lg);
  }

  .nav-menu {
    position: fixed;
    top: 70px;
    left: var(--space-lg);
    right: var(--space-lg);
    flex-direction: column;
    background: var(--bg-secondary);
    padding: var(--space-lg);
    border-radius: var(--radius-xl);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-base);
    box-shadow: 0 10px 40px rgba(12, 35, 64, 0.15);
  }

  .nav-menu.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .nav-toggle {
    display: flex;
  }

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

  .timeline::before {
    left: 8px;
  }

  .timeline-month {
    padding-left: var(--space-2xl);
  }

  .month-marker {
    left: 0;
  }

  .tools-grid {
    grid-template-columns: repeat(2, minmax(150px, 1fr));
  }

  .footer-links {
    flex-direction: column;
    gap: var(--space-md);
  }
}

@media (max-width: 768px) {
  .goals-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .tools-categories {
    justify-content: flex-start;
    overflow-x: auto;
    flex-wrap: nowrap;
    padding-bottom: var(--space-md);
    -webkit-overflow-scrolling: touch;
  }

  .category-btn {
    flex-shrink: 0;
  }
}