/* ============================================
   Google Cloud OnBoard - Session Notes
   Benchmarked from cloudonair.withgoogle.com
   ============================================ */

/* === CSS Variables === */
:root {
  --gc-blue: #1A73E8;
  --gc-blue-hover: #1557B0;
  --gc-red: #EA4335;
  --gc-yellow: #FBBC04;
  --gc-green: #34A853;
  --gc-dark: #202124;
  --gc-text: #3C4043;
  --gc-text-light: #5F6368;
  --gc-border: #DADCE0;
  --gc-bg: #FFFFFF;
  --gc-bg-light: #F8F9FA;
  --gc-link: #1A73E8;
  --gc-gradient: linear-gradient(90deg, #EA4335, #FA7B17, #FBBC04, #34A853, #24C1E0, #4285F4, #A142F4);
  --font-main: 'Google Sans', 'Noto Sans KR', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --container-width: 1200px;
  --header-height: 64px;
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--gc-link);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--gc-blue-hover);
}

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

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* === Header === */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--gc-bg);
  border-bottom: 1px solid var(--gc-border);
  height: var(--header-height);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 32px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 18px;
  font-weight: 500;
  color: var(--gc-text-light);
  white-space: nowrap;
}

.logo svg {
  height: 24px;
  width: auto;
}

.logo-cloud {
  color: var(--gc-text-light);
  font-weight: 400;
}

.header-nav {
  display: flex;
  gap: 8px;
}

.header-nav a {
  padding: 8px 16px;
  color: var(--gc-text);
  font-size: 14px;
  font-weight: 500;
  border-radius: 20px;
  transition: var(--transition);
}

.header-nav a:hover {
  background: var(--gc-bg-light);
  color: var(--gc-dark);
}

.header-nav a.active {
  background: #E8F0FE;
  color: var(--gc-blue);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.btn-share {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 20px;
  font-size: 14px;
  font-weight: 500;
  color: var(--gc-blue);
  border: 1px solid var(--gc-border);
  border-radius: 20px;
  background: none;
  cursor: pointer;
  transition: var(--transition);
}

.btn-share:hover {
  background: #E8F0FE;
  border-color: var(--gc-blue);
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--gc-text);
}

/* === Hero Section === */
.hero {
  padding: 64px 0 80px;
  overflow: hidden;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

.hero-label {
  font-size: 14px;
  color: var(--gc-text-light);
  margin-bottom: 16px;
  font-weight: 500;
}

.hero-title {
  font-size: 42px;
  font-weight: 700;
  color: var(--gc-dark);
  line-height: 1.2;
  margin-bottom: 24px;
  letter-spacing: -0.5px;
}

.hero-desc {
  font-size: 16px;
  color: var(--gc-text);
  line-height: 1.7;
  margin-bottom: 32px;
}

.hero-meta {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.hero-date {
  font-size: 16px;
  font-weight: 600;
  color: var(--gc-dark);
}

.hero-location {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--gc-blue);
  font-size: 14px;
  font-weight: 500;
}

.hero-location svg {
  width: 18px;
  height: 18px;
  fill: var(--gc-blue);
}

.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.hero-art-img {
  width: 100%;
  max-width: 480px;
  border-radius: 24px;
  object-fit: cover;
  aspect-ratio: 1;
  transition: transform 0.6s ease;
}

.hero-art-img:hover {
  transform: scale(1.03);
}

/* === Attended Badge === */
.attended-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: #E6F4EA;
  color: var(--gc-green);
  font-size: 13px;
  font-weight: 600;
  border-radius: 20px;
  margin-bottom: 20px;
}

.attended-badge svg {
  width: 16px;
  height: 16px;
}

/* === Speakers Section === */
.speakers-section {
  padding: 80px 0;
  background: var(--gc-bg-light);
}

.speakers-desc {
  font-size: 15px;
  color: var(--gc-text-light);
  margin-top: -32px;
  margin-bottom: 40px;
}

.speakers-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 24px;
}

.speaker-profile-card {
  text-align: center;
  padding: 32px 16px 24px;
  background: var(--gc-bg);
  border-radius: 16px;
  border: 1px solid var(--gc-border);
  transition: var(--transition);
}

.speaker-profile-card:hover {
  border-color: var(--gc-blue);
  box-shadow: 0 4px 20px rgba(26,115,232,0.1);
  transform: translateY(-4px);
}

.speaker-profile-avatar {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gc-blue), #A142F4);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 24px;
  font-weight: 700;
  margin: 0 auto 16px;
}

.speaker-profile-card h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--gc-dark);
  margin-bottom: 6px;
}

.speaker-role {
  font-size: 13px;
  color: var(--gc-text-light);
  line-height: 1.4;
  margin-bottom: 2px;
}

.speaker-company {
  font-size: 12px;
  color: var(--gc-text-light);
  margin-bottom: 12px;
}

.speaker-session-tag {
  display: inline-block;
  padding: 3px 10px;
  background: #E8F0FE;
  color: var(--gc-blue);
  font-size: 11px;
  font-weight: 600;
  border-radius: 10px;
}

@media (max-width: 1024px) {
  .speakers-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .speakers-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .speaker-profile-card {
    padding: 24px 12px 20px;
  }
}

/* === Programs Section === */
.programs {
  padding: 80px 0;
  background: var(--gc-bg);
}

.section-title {
  font-size: 32px;
  font-weight: 700;
  color: var(--gc-dark);
  margin-bottom: 48px;
}

.programs-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.program-card {
  text-align: left;
}

.program-icon {
  width: 100%;
  aspect-ratio: 1;
  border-radius: 16px;
  margin-bottom: 20px;
  position: relative;
  overflow: hidden;
}

.program-icon-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 16px;
  transition: transform 0.4s ease;
}

.program-card:hover .program-icon-img {
  transform: scale(1.05);
}

.program-card h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--gc-dark);
  margin-bottom: 12px;
  line-height: 1.4;
}

.program-card p {
  font-size: 14px;
  color: var(--gc-text-light);
  line-height: 1.6;
}

/* === Gradient Bar === */
.gradient-bar {
  height: 4px;
  background: var(--gc-gradient);
  border-radius: 2px;
  margin-bottom: 32px;
}

/* === Agenda Section === */
.agenda {
  padding: 80px 0;
  background: var(--gc-bg);
}



/* Session List */
.session-list {
  display: none;
}

.session-list.active {
  display: block;
}

.session-table-header {
  display: grid;
  grid-template-columns: 140px 1fr;
  padding: 12px 0;
  border-bottom: 1px solid var(--gc-border);
  font-size: 12px;
  font-weight: 500;
  color: var(--gc-text-light);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Session Item */
.session-item {
  border-bottom: 1px solid var(--gc-border);
  transition: var(--transition);
}

.session-item:hover {
  background: var(--gc-bg-light);
}

.session-header {
  display: grid;
  grid-template-columns: 140px 1fr auto;
  align-items: start;
  padding: 24px 0;
  cursor: pointer;
  gap: 16px;
}

.session-time {
  font-size: 13px;
  font-weight: 500;
  color: var(--gc-text-light);
  text-transform: uppercase;
  letter-spacing: 0.3px;
  padding-top: 2px;
}

.session-title-wrap {
  flex: 1;
}

.session-title {
  font-size: 17px;
  font-weight: 600;
  color: var(--gc-dark);
  line-height: 1.4;
  margin-bottom: 4px;
}

.session-subtitle {
  font-size: 14px;
  color: var(--gc-text-light);
  line-height: 1.5;
  margin-top: 6px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.session-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
}



.session-chevron {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s ease;
  color: var(--gc-text-light);
}

.session-item.expanded .session-chevron {
  transform: rotate(180deg);
}

/* Session Detail */
.session-detail {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.session-item.expanded .session-detail {
  max-height: 5000px;
}

.session-detail-inner {
  padding: 0 0 32px;
  margin-left: 140px;
}

.session-desc {
  font-size: 15px;
  color: var(--gc-text);
  line-height: 1.7;
  margin-bottom: 24px;
}

/* Speaker Cards */
.speakers {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin-bottom: 32px;
}

.speaker-card {
  display: flex;
  align-items: center;
  gap: 12px;
}

.speaker-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gc-blue), #A142F4);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 18px;
  font-weight: 600;
  flex-shrink: 0;
}

.speaker-info h4 {
  font-size: 14px;
  font-weight: 600;
  color: var(--gc-dark);
}

.speaker-info p {
  font-size: 13px;
  color: var(--gc-text-light);
  line-height: 1.4;
}

/* Session Content - Meeting Notes */
.session-content {
  background: var(--gc-bg-light);
  border-radius: 12px;
  padding: 32px;
  margin-top: 24px;
}

.session-content h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--gc-dark);
  margin: 32px 0 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--gc-border);
}

.session-content h3:first-child {
  margin-top: 0;
}

.session-content h4 {
  font-size: 16px;
  font-weight: 600;
  color: var(--gc-dark);
  margin: 24px 0 12px;
}

.session-content p {
  font-size: 14px;
  color: var(--gc-text);
  line-height: 1.8;
  margin-bottom: 12px;
}

.session-content ul,
.session-content ol {
  margin: 8px 0 16px 20px;
  font-size: 14px;
  color: var(--gc-text);
  line-height: 1.8;
}

.session-content li {
  margin-bottom: 8px;
}

.session-content strong {
  color: var(--gc-dark);
  font-weight: 600;
}

.session-content code {
  background: #E8EAED;
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 13px;
  font-family: 'Roboto Mono', monospace;
}

/* Key Takeaways Box */
.key-takeaways {
  background: #E8F0FE;
  border-left: 4px solid var(--gc-blue);
  border-radius: 0 8px 8px 0;
  padding: 20px 24px;
  margin: 20px 0;
}

.key-takeaways h4 {
  color: var(--gc-blue);
  margin-top: 0 !important;
  font-size: 15px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.key-takeaways ul {
  margin-left: 16px;
}

/* Next Steps Box */
.next-steps {
  background: #E6F4EA;
  border-left: 4px solid var(--gc-green);
  border-radius: 0 8px 8px 0;
  padding: 20px 24px;
  margin: 20px 0;
}

.next-steps h4 {
  color: #137333;
  margin-top: 0 !important;
  font-size: 15px;
}

/* Tech Tags */
.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 16px 0;
}

.tech-tag {
  padding: 4px 12px;
  background: #E8EAED;
  color: var(--gc-text);
  font-size: 12px;
  font-weight: 500;
  border-radius: 16px;
  white-space: nowrap;
}

/* === Session Notes Badge === */
.notes-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  background: #FEF7E0;
  color: #E37400;
  font-size: 12px;
  font-weight: 600;
  border-radius: 12px;
  margin-left: 12px;
}

/* === Footer === */
.footer {
  padding: 48px 0;
  background: var(--gc-bg-light);
  border-top: 1px solid var(--gc-border);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

.footer-left p {
  font-size: 13px;
  color: var(--gc-text-light);
  line-height: 1.6;
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-links a {
  font-size: 13px;
  color: var(--gc-text-light);
}

.footer-links a:hover {
  color: var(--gc-dark);
}

/* === Toast Notification === */
.toast {
  position: fixed;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--gc-dark);
  color: #fff;
  padding: 12px 24px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  z-index: 1000;
  opacity: 0;
  transition: all 0.3s ease;
  pointer-events: none;
}

.toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

/* === Scroll to Top === */
.scroll-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  background: var(--gc-dark);
  color: #fff;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 90;
  box-shadow: 0 2px 12px rgba(0,0,0,0.15);
}

.scroll-top.visible {
  opacity: 1;
  visibility: visible;
}

.scroll-top:hover {
  background: var(--gc-blue);
  transform: translateY(-2px);
}

/* === Summary Stats === */
.summary-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin: 48px 0;
}

.stat-card {
  text-align: center;
  padding: 32px 24px;
  background: var(--gc-bg);
  border: 1px solid var(--gc-border);
  border-radius: 12px;
  transition: var(--transition);
}

.stat-card:hover {
  border-color: var(--gc-blue);
  box-shadow: 0 4px 20px rgba(26,115,232,0.1);
  transform: translateY(-2px);
}

.stat-number {
  font-size: 36px;
  font-weight: 700;
  color: var(--gc-blue);
  display: block;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 14px;
  color: var(--gc-text-light);
  font-weight: 500;
}

/* === Mobile Menu Overlay === */
.mobile-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 200;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.mobile-overlay.show {
  opacity: 1;
}

.mobile-menu {
  position: fixed;
  top: 0;
  right: -300px;
  width: 300px;
  height: 100vh;
  background: var(--gc-bg);
  z-index: 201;
  transition: right 0.3s ease;
  padding: 24px;
  overflow-y: auto;
}

.mobile-menu.show {
  right: 0;
}

.mobile-menu-close {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 24px;
}

.mobile-menu-close button {
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--gc-text);
}

.mobile-menu nav a {
  display: block;
  padding: 16px 0;
  font-size: 16px;
  color: var(--gc-text);
  border-bottom: 1px solid var(--gc-border);
}

/* === Responsive Design === */
@media (max-width: 1024px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero-visual {
    order: -1;
  }

  .hero-art-img {
    max-width: 320px;
  }

  .hero-title {
    font-size: 34px;
  }

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

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

  .session-detail-inner {
    margin-left: 0;
  }

  .session-header {
    grid-template-columns: 100px 1fr auto;
  }

  .session-table-header {
    grid-template-columns: 100px 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 56px;
  }

  .header-nav {
    display: none;
  }

  .mobile-menu-btn {
    display: flex;
  }

  .btn-share {
    display: none;
  }

  .hero {
    padding: 40px 0 60px;
  }

  .hero-title {
    font-size: 28px;
  }

  .hero-desc {
    font-size: 15px;
  }

  .programs-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .program-icon {
    max-width: 200px;
    margin: 0 auto 16px;
  }

  .program-card {
    text-align: center;
  }

  .section-title {
    font-size: 26px;
    margin-bottom: 32px;
  }

  .session-header {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .session-table-header {
    display: none;
  }

  .session-time {
    font-size: 12px;
  }

  .session-actions {
    justify-content: flex-end;
  }

  .session-content {
    padding: 20px;
  }

  .session-content h3 {
    font-size: 17px;
  }

  .summary-stats {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }

  .stat-card {
    padding: 24px 16px;
  }

  .stat-number {
    font-size: 28px;
  }

  .footer-inner {
    flex-direction: column;
    gap: 24px;
    text-align: center;
  }


  .speakers {
    flex-direction: column;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .hero-title {
    font-size: 24px;
  }



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

/* === Print Styles === */
@media print {
  .header, .scroll-top, .session-chevron, .footer {
    display: none !important;
  }

  .session-detail {
    max-height: none !important;
    overflow: visible !important;
  }

  .session-content {
    break-inside: avoid;
  }
}