/* ========================================
   Kanban.UNO - Premium Black/Purple Theme
   Inspired by architectural minimalism
   ======================================== */

/* ---- CSS Variables ---- */
:root {
  --primary-black: #0a0a0a;
  --secondary-black: #131313;
  --surface: #131313;
  --surface-container: #1c1b1b;
  --surface-container-low: #161616;
  --surface-container-high: #2a2a2a;
  --surface-bright: #3a3939;
  --primary-purple: #6D28D9;
  --secondary-purple: #7c3aed;
  --accent-purple: #a78bfa;
  --light-purple: #d3bbff;
  --text-light: #e5e2e1;
  --text-gray: #a5a2a1;
  --text-muted: #6b7280;
  --outline: #4a4455;
  --card-bg: #131313;
  --card-border: rgba(74, 68, 85, 0.15);
  --success: #10b981;
  --error: #ef4444;
  --radius: 2px;
  --radius-sm: 2px;
  --radius-lg: 4px;
  --radius-xl: 8px;
  --transition: 0.3s ease;
}

/* ---- Reset & Base ---- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: 'Manrope', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--primary-black);
  color: var(--text-light);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

::selection {
  background: rgba(109, 40, 217, 0.3);
}

a {
  color: var(--accent-purple);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--light-purple);
}

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

.container {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 48px;
}

.text-gradient {
  background: linear-gradient(135deg, #ffffff 0%, #a78bfa 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ---- Navbar ---- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: all var(--transition);
  background: rgba(19, 19, 19, 0.6);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--card-border);
}

.navbar.scrolled {
  padding: 10px 0;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
}

.nav-logo-img {
  height: 48px;
  width: auto;
  display: block;
}

.nav-logo:hover {
  color: var(--text-light);
}

.logo-icon {
  display: none;
}

.logo-text {
  letter-spacing: -0.04em;
}

.logo-highlight {
  color: var(--accent-purple);
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 40px;
}

.nav-links a {
  color: rgba(229, 226, 225, 0.6);
  font-weight: 500;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  position: relative;
  padding: 4px 0;
  transition: color var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--accent-purple);
}

.nav-links a.active {
  border-bottom: 2px solid var(--primary-purple);
  padding-bottom: 2px;
}

.nav-cta {
  background: var(--primary-purple);
  color: var(--text-light) !important;
  padding: 10px 28px;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  transition: all var(--transition);
}

.nav-cta:hover {
  background: var(--secondary-purple);
  transform: translateY(-1px);
  color: var(--text-light) !important;
}

/* Hamburger */
.hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  z-index: 1001;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-light);
  margin: 6px 0;
  transition: all var(--transition);
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 6px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -6px);
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  text-align: center;
  justify-content: center;
}

.btn-primary {
  background: var(--primary-purple);
  color: white;
}

.btn-primary:hover {
  background: var(--secondary-purple);
  transform: translateY(-2px);
  box-shadow: 0 20px 50px rgba(109, 40, 217, 0.2);
  color: white;
}

.btn-outline {
  background: transparent;
  color: var(--text-light);
  border: 1px solid rgba(74, 68, 85, 0.4);
}

.btn-outline:hover {
  border-color: var(--accent-purple);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-light);
}

.btn-lg {
  padding: 18px 40px;
  font-size: 0.8rem;
}

.btn-sm {
  padding: 10px 24px;
  font-size: 0.7rem;
}

.btn-block {
  width: 100%;
}

/* ---- Hero Section ---- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 80px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(74, 68, 85, 0.3) 1px, transparent 1px);
  background-size: 40px 40px;
  opacity: 0.4;
}

.hero-content {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.hero-badge {
  display: inline-block;
  background: var(--surface-container);
  color: var(--accent-purple);
  padding: 8px 20px;
  border-radius: var(--radius);
  font-size: 0.65rem;
  font-weight: 700;
  margin-bottom: 32px;
  border: 1px solid rgba(74, 68, 85, 0.3);
  text-transform: uppercase;
  letter-spacing: 0.2em;
}

.hero-title {
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  font-weight: 800;
  line-height: 1.05;
  margin-bottom: 24px;
  letter-spacing: -0.04em;
  color: white;
}

.hero-subtitle {
  font-size: 1.1rem;
  color: var(--text-gray);
  max-width: 560px;
  margin: 0 auto 40px;
  line-height: 1.8;
  font-weight: 300;
}

.hero-cta {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 80px;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 64px;
}

.stat {
  text-align: center;
}

.stat-number {
  display: block;
  font-size: 2.2rem;
  font-weight: 800;
  color: white;
  letter-spacing: -0.02em;
}

.stat-label {
  font-size: 0.65rem;
  color: var(--text-gray);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-weight: 600;
}

/* ---- Sections ---- */
.section {
  padding: 120px 0;
}

.section-dark {
  background: var(--surface);
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-badge {
  display: inline-block;
  color: var(--primary-purple);
  font-size: 0.65rem;
  font-weight: 700;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.2em;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  margin-bottom: 12px;
  letter-spacing: -0.04em;
  color: white;
}

.section-subtitle {
  color: var(--text-gray);
  font-size: 1rem;
  max-width: 480px;
  margin: 0 auto;
  font-weight: 300;
}

/* Section with line accent */
.section-header-left {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 48px;
}

.section-line {
  width: 48px;
  height: 1px;
  background: var(--primary-purple);
}

.section-header-left .section-title {
  margin-bottom: 0;
}

/* ---- Course Cards Grid ---- */
.courses-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.course-card {
  background: var(--surface);
  border-radius: var(--radius-xl);
  border: 1px solid var(--card-border);
  overflow: hidden;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}

.course-card:hover {
  transform: translateY(-4px);
  border-color: rgba(109, 40, 217, 0.3);
}

.course-card-header {
  padding: 28px 28px 0;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.course-icon {
  font-size: 2rem;
}

.course-level {
  background: rgba(109, 40, 217, 0.1);
  color: var(--accent-purple);
  padding: 4px 12px;
  border-radius: var(--radius);
  font-size: 0.6rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  border: 1px solid rgba(109, 40, 217, 0.2);
}

.course-card-body {
  padding: 20px 28px;
  flex: 1;
}

.course-card-title {
  font-size: 1.15rem;
  font-weight: 800;
  margin-bottom: 4px;
  letter-spacing: -0.02em;
}

.course-acronym {
  color: var(--primary-purple);
  font-weight: 800;
  font-size: 0.7rem;
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.15em;
}

.course-card-desc {
  color: var(--text-gray);
  font-size: 0.9rem;
  margin-bottom: 16px;
  line-height: 1.7;
  font-weight: 300;
}

.course-highlights {
  list-style: none;
  margin-bottom: 16px;
}

.course-highlights li {
  color: var(--text-gray);
  font-size: 0.85rem;
  margin-bottom: 6px;
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.course-highlights li i {
  color: var(--success);
  margin-top: 4px;
  flex-shrink: 0;
}

.course-meta {
  display: flex;
  gap: 16px;
  font-size: 0.65rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 600;
}

.course-meta i {
  margin-right: 4px;
}

.course-card-footer {
  padding: 0 28px 28px;
}

/* ---- Features Grid ---- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 48px;
}

.feature-card {
  transition: all var(--transition);
  group: true;
}

.feature-card:hover .feature-icon {
  background: var(--primary-purple);
}

.feature-card:hover .feature-icon i {
  color: white;
}

.feature-icon {
  width: 48px;
  height: 48px;
  border: 1px solid rgba(74, 68, 85, 0.2);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  font-size: 1.2rem;
  color: var(--text-light);
  transition: all 0.5s ease;
}

.feature-card h3 {
  font-size: 1.15rem;
  font-weight: 800;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.feature-card p {
  color: var(--text-gray);
  font-size: 0.9rem;
  font-weight: 300;
  line-height: 1.7;
}

/* Features header (split layout) */
.features-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 64px;
  gap: 32px;
}

.features-header h2 {
  font-size: clamp(2rem, 4vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  color: white;
  line-height: 1.2;
}

.features-header p {
  max-width: 400px;
  color: var(--text-gray);
  font-weight: 300;
  line-height: 1.7;
}

/* ---- Testimonials Bento Grid ---- */
.testimonials-bento {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.testimonial-card-bento {
  background: var(--surface);
  border: 1px solid var(--card-border);
  padding: 48px;
  position: relative;
  overflow: hidden;
}

.testimonial-card-bento.large {
  grid-column: span 2;
}

.testimonial-card-bento.large .testimonial-quote {
  font-size: 1.6rem;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: -0.02em;
  color: white;
  font-style: normal;
}

.testimonial-card-bento .quote-icon {
  position: absolute;
  top: -8px;
  left: -8px;
  font-size: 6rem;
  color: rgba(109, 40, 217, 0.08);
}

.testimonial-card-bento.has-border-top {
  border-top: 2px solid var(--primary-purple);
}

.testimonial-stars {
  color: var(--accent-purple);
  margin-bottom: 16px;
  font-size: 0.85rem;
}

.testimonial-stars i {
  margin-right: 2px;
}

.testimonial-quote {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--text-light);
  margin-bottom: 32px;
  font-style: italic;
  font-weight: 300;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 16px;
}

.testimonial-avatar {
  width: 48px;
  height: 48px;
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--primary-purple), var(--secondary-purple));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.8rem;
  flex-shrink: 0;
  border: 1px solid rgba(74, 68, 85, 0.2);
}

.testimonial-avatar.filled {
  background: var(--primary-purple);
}

.testimonial-author strong {
  display: block;
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-weight: 800;
}

.testimonial-author span {
  color: var(--text-muted);
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 300;
}

/* Purple CTA Banner (inside bento) */
.cta-banner {
  grid-column: span 2;
  background: var(--primary-purple);
  border: 1px solid rgba(109, 40, 217, 0.2);
  padding: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.cta-banner h4 {
  font-size: 1.8rem;
  font-weight: 800;
  color: white;
  letter-spacing: -0.02em;
}

.cta-banner p {
  color: rgba(255, 255, 255, 0.8);
  font-weight: 300;
}

.btn-white {
  background: white;
  color: var(--primary-purple);
  padding: 16px 40px;
  border-radius: var(--radius);
  font-weight: 800;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn-white:hover {
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  color: var(--primary-purple);
}

/* Legacy carousel (keep for JS compat but hide) */
.testimonial-carousel { display: none; }

/* ---- CTA Section ---- */
.cta-section {
  background: linear-gradient(135deg, rgba(109, 40, 217, 0.08), rgba(109, 40, 217, 0.03));
  border-top: 1px solid var(--card-border);
  border-bottom: 1px solid var(--card-border);
}

.cta-content {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

.cta-content h2 {
  font-size: 2.2rem;
  margin-bottom: 12px;
  font-weight: 800;
  letter-spacing: -0.04em;
}

.cta-content p {
  color: var(--text-gray);
  margin-bottom: 32px;
  font-weight: 300;
}

/* ---- Page Hero (inner pages) ---- */
.page-hero {
  padding: 160px 0 60px;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(109, 40, 217, 0.05) 0%, transparent 100%);
}

.page-hero > .container {
  position: relative;
}

.page-hero-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: -0.04em;
  color: white;
}

.page-hero-subtitle {
  color: var(--text-gray);
  font-size: 1.05rem;
  max-width: 500px;
  font-weight: 300;
  line-height: 1.7;
}

/* ---- Learning Path ---- */
.learning-path {
  position: relative;
  max-width: 700px;
  margin: 0 auto;
}

.path-line {
  position: absolute;
  left: 24px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom, var(--primary-purple), var(--accent-purple));
}

.path-step {
  display: flex;
  gap: 24px;
  margin-bottom: 40px;
  position: relative;
}

.path-marker {
  width: 50px;
  height: 50px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: white;
  flex-shrink: 0;
  z-index: 1;
}

.path-content {
  background: var(--surface);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-xl);
  padding: 24px;
  flex: 1;
}

.course-level-badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: var(--radius);
  font-size: 0.6rem;
  font-weight: 700;
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.15em;
}

.path-content h3 {
  font-size: 1.15rem;
  margin-bottom: 8px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.path-content p {
  color: var(--text-gray);
  font-size: 0.9rem;
  margin-bottom: 12px;
  font-weight: 300;
}

/* ---- Course Detail ---- */
.breadcrumb-section {
  padding: 100px 0 0;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 600;
}

.breadcrumb a {
  color: var(--text-gray);
}

.breadcrumb a:hover {
  color: var(--accent-purple);
}

.breadcrumb-sep {
  font-size: 0.55rem;
}

.breadcrumb-current {
  color: var(--accent-purple);
  font-weight: 700;
}

.course-hero {
  padding: 32px 0 48px;
}

.course-hero-content {
  max-width: 700px;
}

.course-hero h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  margin-bottom: 4px;
  letter-spacing: -0.04em;
  color: white;
}

.course-acronym-lg {
  color: var(--primary-purple);
  font-size: 0.8rem;
  font-weight: 800;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.2em;
}

.course-hero-desc {
  color: var(--text-gray);
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 20px;
  font-weight: 300;
}

.course-hero-meta {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  font-size: 0.75rem;
  color: var(--text-gray);
  font-weight: 500;
}

.course-hero-meta i {
  color: var(--primary-purple);
  margin-right: 6px;
}

.course-detail-grid {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 48px;
  align-items: start;
}

.course-detail-grid--no-sidebar {
  grid-template-columns: 1fr;
  max-width: 860px;
  margin: 0 auto;
}

.course-detail-main {
  min-width: 0;
}

/* Tabs */
.tabs {
  display: flex;
  gap: 4px;
  border-bottom: 1px solid var(--card-border);
  margin-bottom: 32px;
}

.tab {
  padding: 12px 24px;
  background: none;
  border: none;
  color: var(--text-gray);
  font-weight: 600;
  font-size: 0.75rem;
  cursor: pointer;
  position: relative;
  transition: color var(--transition);
  font-family: inherit;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.tab::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--primary-purple);
  transform: scaleX(0);
  transition: transform var(--transition);
}

.tab:hover {
  color: var(--text-light);
}

.tab.active {
  color: var(--text-light);
}

.tab.active::after {
  transform: scaleX(1);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

/* Curriculum - numbered modules */
.curriculum-module {
  background: var(--surface-container-low);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-xl);
  padding: 24px 32px;
  margin-bottom: 12px;
  transition: all var(--transition);
}

.curriculum-module:hover {
  border-color: rgba(109, 40, 217, 0.3);
}

.curriculum-module h3 {
  font-size: 1.05rem;
  margin-bottom: 12px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 16px;
  letter-spacing: -0.02em;
}

.curriculum-module h3 .module-num {
  color: var(--primary-purple);
  font-weight: 900;
  font-size: 0.8rem;
  letter-spacing: 0.15em;
}

.curriculum-module ul {
  list-style: none;
}

.curriculum-module li {
  padding: 8px 0;
  color: var(--text-gray);
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 400;
}

/* Audience */
.audience-list {
  display: grid;
  gap: 12px;
}

.audience-item {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--surface);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-xl);
  padding: 20px 24px;
  font-size: 0.95rem;
  transition: all var(--transition);
}

.audience-item:hover {
  border-color: rgba(109, 40, 217, 0.3);
}

.audience-item i {
  font-size: 1.2rem;
  flex-shrink: 0;
}

/* Outcomes */
.outcomes-list {
  display: grid;
  gap: 16px;
}

.outcome-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.outcome-number {
  width: 36px;
  height: 36px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 0.8rem;
  color: white;
  flex-shrink: 0;
}

.outcome-item p {
  color: var(--text-gray);
  font-size: 0.95rem;
  padding-top: 6px;
  font-weight: 400;
}

/* ---- Registration Card (sidebar) ---- */
.course-detail-sidebar {
  position: sticky;
  top: 100px;
}

.registration-card {
  background: var(--surface);
  border: 1px solid rgba(109, 40, 217, 0.2);
  border-radius: var(--radius-xl);
  padding: 40px;
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.25);
}

.registration-card h3 {
  font-size: 1.2rem;
  margin-bottom: 4px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.registration-card > p {
  color: var(--text-gray);
  font-size: 0.8rem;
  margin-bottom: 28px;
  font-weight: 300;
}

/* ---- Forms ---- */
.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 0.65rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--text-gray);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.required {
  color: var(--error);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 14px 16px;
  background: var(--surface-container-high);
  border: none;
  border-radius: var(--radius);
  color: var(--text-light);
  font-size: 0.9rem;
  font-family: inherit;
  transition: all var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  box-shadow: 0 0 0 1px rgba(167, 139, 250, 0.3);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: rgba(165, 162, 161, 0.3);
}

.form-group select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%239ca3af' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
}

.form-group select option {
  background: var(--surface-container);
  color: var(--text-light);
}

.form-group textarea {
  resize: vertical;
  min-height: 80px;
}

.form-error {
  display: block;
  color: var(--error);
  font-size: 0.75rem;
  margin-top: 4px;
  min-height: 18px;
}

/* ---- Toast Notifications ---- */
.toast {
  position: fixed;
  top: 24px;
  right: 24px;
  z-index: 10000;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 24px;
  border-radius: var(--radius);
  font-size: 0.85rem;
  font-weight: 500;
  transform: translateX(120%);
  transition: transform 0.3s ease;
  max-width: 400px;
}

.toast.show {
  transform: translateX(0);
}

.toast-success {
  background: #065f46;
  color: #d1fae5;
  border: 1px solid #10b981;
}

.toast-error {
  background: #7f1d1d;
  color: #fecaca;
  border: 1px solid #ef4444;
}

.toast-close {
  background: none;
  border: none;
  color: inherit;
  font-size: 1.2rem;
  cursor: pointer;
  margin-left: 8px;
  opacity: 0.7;
}

.toast-close:hover {
  opacity: 1;
}

/* ---- About Page ---- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.about-content h2 {
  font-size: 2rem;
  margin-bottom: 20px;
  font-weight: 800;
  letter-spacing: -0.04em;
}

.about-content p {
  color: var(--text-gray);
  margin-bottom: 16px;
  line-height: 1.8;
  font-weight: 300;
}

.about-values {
  display: grid;
  gap: 16px;
}

.value-card {
  background: var(--surface);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-xl);
  padding: 28px;
  transition: all var(--transition);
}

.value-card:hover {
  border-color: rgba(109, 40, 217, 0.3);
}

.value-icon {
  width: 48px;
  height: 48px;
  border: 1px solid rgba(74, 68, 85, 0.2);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-purple);
  font-size: 1.2rem;
  margin-bottom: 16px;
  transition: all 0.5s ease;
}

.value-card:hover .value-icon {
  background: var(--primary-purple);
  color: white;
}

.value-card h3 {
  font-size: 1.05rem;
  margin-bottom: 8px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.value-card p {
  color: var(--text-gray);
  font-size: 0.85rem;
  font-weight: 300;
  line-height: 1.7;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.stat-card {
  text-align: center;
  background: var(--surface);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-xl);
  padding: 40px 16px;
}

.stat-card-number {
  display: block;
  font-size: 3rem;
  font-weight: 800;
  color: white;
  margin-bottom: 4px;
  letter-spacing: -0.04em;
}

.stat-card-label {
  color: var(--text-gray);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-weight: 600;
}

/* ---- Contact Page (Bento) ---- */
.contact-grid {
  display: grid;
  grid-template-columns: 7fr 5fr;
  gap: 32px;
  align-items: start;
}

.contact-info h2 {
  font-size: 2rem;
  margin-bottom: 16px;
  font-weight: 800;
  letter-spacing: -0.04em;
}

.contact-info > p {
  color: var(--text-gray);
  margin-bottom: 40px;
  line-height: 1.8;
  font-weight: 300;
}

.contact-methods {
  display: grid;
  gap: 24px;
}

.contact-method {
  display: flex;
  align-items: flex-start;
  gap: 20px;
}

.contact-method-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius);
  background: var(--surface-bright);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-purple);
  font-size: 1.1rem;
  flex-shrink: 0;
}

.contact-method h4 {
  font-size: 0.6rem;
  margin-bottom: 4px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-gray);
  font-weight: 700;
}

.contact-method p {
  color: var(--text-light);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.contact-form-wrapper {
  background: var(--surface-container-low);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 48px;
  position: relative;
  overflow: hidden;
}

.contact-form-wrapper .form-bg-icon {
  position: absolute;
  top: -16px;
  right: -16px;
  font-size: 8rem;
  opacity: 0.04;
  color: var(--text-light);
}

/* ---- Footer ---- */
.footer {
  background: #0e0e0e;
  padding: 80px 0 0;
  border-top: 1px solid var(--card-border);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
}

.footer-logo {
  display: flex;
  align-items: center;
  margin-bottom: 16px;
}

.footer-logo-img {
  height: 40px;
  width: auto;
  display: block;
}

.footer-logo:hover {
  color: var(--text-light);
}

.footer-description {
  color: rgba(229, 226, 225, 0.4);
  font-size: 0.85rem;
  line-height: 1.7;
  font-weight: 300;
}

.footer-col h4 {
  font-size: 0.7rem;
  font-weight: 900;
  margin-bottom: 20px;
  color: var(--primary-purple);
  text-transform: uppercase;
  letter-spacing: 0.2em;
}

.footer-col ul {
  list-style: none;
}

.footer-col li {
  margin-bottom: 12px;
}

.footer-col a {
  color: rgba(229, 226, 225, 0.4);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: color var(--transition);
}

.footer-col a:hover {
  color: var(--accent-purple);
}

.social-links {
  display: flex;
  gap: 8px;
}

.social-links a {
  width: 40px;
  height: 40px;
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(229, 226, 225, 0.4);
  transition: all var(--transition);
}

.social-links a:hover {
  color: var(--accent-purple);
  background: var(--surface-container-high);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding: 20px 0;
  text-align: center;
}

.footer-bottom p {
  color: rgba(229, 226, 225, 0.3);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ---- Error Pages ---- */
.error-page {
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: 80px;
}

.error-content {
  text-align: center;
}

.error-code {
  font-size: 8rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary-purple), var(--accent-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 16px;
  letter-spacing: -0.04em;
}

.error-content h2 {
  font-size: 1.5rem;
  margin-bottom: 8px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.error-content p {
  color: var(--text-gray);
  margin-bottom: 24px;
  font-weight: 300;
}

/* ---- Scroll Animations ---- */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---- Responsive ---- */
@media (max-width: 1024px) {
  .container {
    padding: 0 24px;
  }

  .course-detail-grid {
    grid-template-columns: 1fr;
  }

  .course-detail-sidebar {
    position: static;
  }

  .testimonials-bento {
    grid-template-columns: 1fr;
  }

  .testimonial-card-bento.large,
  .cta-banner {
    grid-column: span 1;
  }

  .cta-banner {
    flex-direction: column;
    text-align: center;
  }

  .features-header {
    flex-direction: column;
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 20px;
  }

  .hamburger {
    display: block;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    height: 100vh;
    width: 280px;
    background: var(--surface);
    flex-direction: column;
    padding: 80px 32px 32px;
    gap: 24px;
    transition: right var(--transition);
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.5);
    border-left: 1px solid var(--card-border);
  }

  .nav-links.active {
    right: 0;
  }

  .nav-cta {
    display: none;
  }

  .hero-stats {
    gap: 32px;
  }

  .stat-number {
    font-size: 1.8rem;
  }

  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .tabs {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .tab {
    white-space: nowrap;
    padding: 12px 16px;
    font-size: 0.7rem;
  }
}

@media (max-width: 480px) {
  .hero-cta {
    flex-direction: column;
    align-items: center;
  }

  .hero-stats {
    flex-direction: column;
    gap: 16px;
  }

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

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

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

/* ---- Course Date Cards ---- */
.upcoming-dates-section {
  margin-bottom: 40px;
}

.dates-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
  margin-bottom: 16px;
}

.date-card {
  background: var(--surface-container);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 20px;
  transition: border-color var(--transition), transform var(--transition);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.date-card:hover {
  border-color: var(--accent-purple);
  transform: translateY(-2px);
}

.date-card.selected {
  border-color: var(--primary-purple);
  background: rgba(109, 40, 217, 0.08);
  box-shadow: 0 0 0 1px var(--primary-purple);
}

.date-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.format-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: var(--radius);
  border: 1px solid currentColor;
}

.format-in-person {
  color: #10b981;
  background: rgba(16, 185, 129, 0.1);
}

.format-virtual,
.format-online,
.format-virtual-online {
  color: var(--accent-purple);
  background: rgba(167, 139, 250, 0.1);
}

.spots-badge {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: var(--radius);
  background: rgba(167, 139, 250, 0.12);
  color: var(--accent-purple);
  white-space: nowrap;
}

.spots-badge.spots-low {
  background: rgba(239, 68, 68, 0.12);
  color: #ef4444;
}

.date-card-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.date-display {
  display: flex;
  align-items: flex-start;
  font-size: 0.9rem;
  line-height: 1.4;
}

.date-location {
  display: flex;
  align-items: center;
  font-size: 0.8rem;
  color: var(--text-gray);
}

.date-tz {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 4px;
}

.no-dates-notice {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 24px;
  background: var(--surface-container);
  border: 1px dashed var(--card-border);
  border-radius: var(--radius-lg);
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 40px;
}

.no-dates-notice i {
  font-size: 1.8rem;
  color: var(--outline);
  flex-shrink: 0;
}

.no-dates-notice a {
  color: var(--accent-purple);
  text-decoration: none;
}

.no-dates-notice a:hover {
  text-decoration: underline;
}

.custom-date-note {
  font-size: 0.82rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  background: rgba(74, 68, 85, 0.1);
  border-radius: var(--radius);
  border-left: 2px solid var(--outline);
}

.custom-date-note a {
  color: var(--accent-purple);
  text-decoration: none;
}

.custom-date-note a:hover {
  text-decoration: underline;
}

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

/* ========================================
   Checkout Pages
   ======================================== */
.checkout-page {
  min-height: 100vh;
  background: var(--primary-black);
  padding: 100px 24px 80px;
}
.checkout-container {
  max-width: 960px;
  margin: 0 auto;
}
.checkout-header {
  text-align: center;
  margin-bottom: 40px;
}
.checkout-title {
  font-size: 2rem;
  font-weight: 800;
  color: var(--text-light);
  margin-bottom: 8px;
}
.checkout-subtitle {
  font-size: 1rem;
  color: var(--text-gray);
}
.checkout-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  align-items: start;
}
@media (max-width: 768px) {
  .checkout-grid { grid-template-columns: 1fr; }
}

/* Checkout Card */
.checkout-card {
  background: var(--surface-container);
  border: 1px solid var(--surface-bright);
  border-radius: 16px;
  overflow: hidden;
}
.checkout-card-header {
  padding: 18px 24px;
  border-bottom: 1px solid var(--surface-bright);
}
.checkout-card-header h2 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-light);
  margin: 0;
}
.checkout-card-body {
  padding: 24px;
}

/* Order item */
.order-item { display: flex; align-items: flex-start; gap: 14px; }
.order-item-info { display: flex; gap: 14px; align-items: flex-start; }
.order-item-badge {
  background: var(--primary-purple);
  color: #fff;
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .06em;
  padding: 6px 12px;
  border-radius: 8px;
  flex-shrink: 0;
}
.order-item-name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-light);
  margin: 0 0 6px;
}
.order-item-date,
.order-item-format {
  font-size: .82rem;
  color: var(--text-gray);
  margin: 2px 0;
  display: flex;
  align-items: center;
  gap: 6px;
}

.order-divider {
  border: 0;
  border-top: 1px solid var(--surface-bright);
  margin: 18px 0;
}

.order-participant h4 {
  font-size: .78rem;
  font-weight: 600;
  color: var(--accent-purple);
  text-transform: uppercase;
  letter-spacing: .08em;
  margin: 0 0 8px;
}
.order-participant p {
  font-size: .88rem;
  color: var(--text-gray);
  margin: 2px 0;
}

/* Pricing rows */
.order-pricing { display: flex; flex-direction: column; gap: 8px; }
.price-row {
  display: flex;
  justify-content: space-between;
  font-size: .9rem;
  color: var(--text-gray);
}
.price-total {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text-light);
  padding-top: 10px;
  border-top: 1px solid var(--surface-bright);
  margin-top: 6px;
}

/* Payment section */
.checkout-notice {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  background: rgba(109, 40, 217, .08);
  border: 1px solid rgba(109, 40, 217, .2);
  border-radius: 10px;
  padding: 16px;
  margin-bottom: 20px;
}
.checkout-notice i { color: var(--accent-purple); font-size: 1.2rem; margin-top: 2px; flex-shrink: 0; }
.checkout-notice p { font-size: .85rem; color: var(--text-gray); margin: 0; }
.checkout-notice-info { background: rgba(59,130,246,.08); border-color: rgba(59,130,246,.2); }
.checkout-notice-info i { color: #60a5fa; }
.checkout-notice-success { background: rgba(16,185,129,.08); border-color: rgba(16,185,129,.2); }
.checkout-notice-success i { color: #34d399; }

.btn-checkout {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 16px 24px;
  border: none;
  border-radius: 12px;
  background: var(--primary-purple);
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: background .2s, transform .1s;
  text-decoration: none;
}
.btn-checkout:hover { background: var(--secondary-purple); transform: translateY(-1px); }

.btn-checkout-outline {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 24px;
  border: 1px solid var(--surface-bright);
  border-radius: 12px;
  background: transparent;
  color: var(--text-light);
  font-size: .95rem;
  font-weight: 600;
  cursor: pointer;
  transition: border-color .2s;
  text-decoration: none;
}
.btn-checkout-outline:hover { border-color: var(--accent-purple); color: var(--accent-purple); }

.checkout-processing {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 32px;
}
.checkout-processing .spinner {
  width: 32px; height: 32px;
  border: 3px solid var(--surface-bright);
  border-top-color: var(--accent-purple);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.checkout-processing p { font-size: .9rem; color: var(--text-gray); }

.checkout-field { margin-bottom: 1rem; }
.checkout-field label { display: block; font-size: 0.72rem; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--text-gray); margin-bottom: .4rem; }
.checkout-field label .required { color: #f87171; }
.checkout-input { width: 100%; padding: .6rem .875rem; background: #0f0f0f; border: 1px solid rgba(255,255,255,.1); border-radius: 6px; color: var(--text-primary); font-size: .9rem; transition: border-color .2s; box-sizing: border-box; }
.checkout-input:focus { outline: none; border-color: var(--accent-purple); box-shadow: 0 0 0 3px rgba(109,40,217,.2); }
.checkout-input::placeholder { color: var(--text-muted); }

.checkout-terms {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--surface-bright);
}
.checkout-terms p { font-size: .75rem; color: var(--text-gray); line-height: 1.5; }

.checkout-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  font-size: .85rem;
  color: var(--text-gray);
  text-decoration: none;
}
.checkout-back:hover { color: var(--accent-purple); }

/* Disabled page */
.checkout-disabled {
  text-align: center;
  padding: 80px 20px;
}
.checkout-disabled-icon {
  font-size: 3rem;
  color: var(--text-gray);
  margin-bottom: 24px;
}
.checkout-disabled h1 {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--text-light);
  margin-bottom: 12px;
}
.checkout-disabled p {
  font-size: 1rem;
  color: var(--text-gray);
  margin-bottom: 32px;
}
.checkout-disabled-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* Success page */
.checkout-success {
  text-align: center;
  padding: 60px 20px;
}
.checkout-success-icon {
  font-size: 3.5rem;
  color: #34d399;
  margin-bottom: 20px;
}
.checkout-success h1 {
  font-size: 2rem;
  font-weight: 800;
  color: var(--text-light);
  margin-bottom: 8px;
}
.checkout-order-number {
  font-size: .95rem;
  color: var(--text-gray);
  margin-bottom: 12px;
}
.checkout-success-msg {
  font-size: .95rem;
  color: var(--text-gray);
  max-width: 500px;
  margin: 0 auto 32px;
}

.checkout-receipt {
  max-width: 480px;
  margin: 0 auto 32px;
  text-align: left;
}
.receipt-row {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  font-size: .88rem;
  color: var(--text-gray);
}
.receipt-total {
  font-weight: 700;
  font-size: 1rem;
  color: var(--text-light);
  padding-top: 12px;
  border-top: 1px solid var(--surface-bright);
  margin-top: 4px;
}

/* Payment status badges */
.status-badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: .75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .04em;
}
.status-paid { background: rgba(16,185,129,.15); color: #34d399; }
.status-pending { background: rgba(251,191,36,.15); color: #fbbf24; }
.status-failed { background: rgba(239,68,68,.15); color: #f87171; }
.status-refunded { background: rgba(99,102,241,.15); color: #818cf8; }

/* ── Format pill (auto-detected format in registration form) ── */
.format-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(109, 40, 217, 0.12);
  border: 1px solid rgba(109, 40, 217, 0.3);
  color: var(--accent-purple);
  font-size: .85rem;
  font-weight: 600;
  padding: 8px 14px;
  border-radius: 8px;
  width: 100%;
}