/* =============================================
   NATIONAL CLIMATE CONCLAVE — STYLESHEET
   ============================================= */

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

:root {
  --green-dark:   #1a4731;
  --green-mid:    #2e7d52;
  --green-accent: #76c442;
  --green-light:  #e8f5ec;
  --green-pale:   #f4faf6;
  --text-dark:    #1a1a1a;
  --text-mid:     #444;
  --text-light:   #666;
  --white:        #ffffff;
  --border:       #e0e7e4;
  --card-bg:      #f9fcfa;
  --font:         'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  color: var(--text-dark);
  background: var(--white);
  line-height: 1.6;
  font-size: 15px;
}

.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { display: block; max-width: 100%; }

/* =============================================
   BUTTONS
   ============================================= */
.btn-primary {
  display: inline-block;
  background: var(--green-dark);
  color: var(--white);
  padding: 12px 24px;
  border-radius: 4px;
  font-size: 14px;
  font-weight: 600;
  transition: background 0.2s;
}
.btn-primary:hover { background: #133826; }

.btn-secondary {
  display: inline-block;
  background: transparent;
  color: var(--text-dark);
  border: 1.5px solid rgba(0,0,0,0.4);
  padding: 12px 24px;
  border-radius: 4px;
  font-size: 14px;
  font-weight: 500;
  border: 1.5px solid rgba(255,255,255,0.7);
  transition: background 0.2s, border-color 0.2s;
}
.btn-secondary:hover { background: rgba(255,255,255,0.1); }

.btn-outline {
  display: inline-block;
  border: 1.5px solid var(--green-dark);
  color: var(--green-dark);
  padding: 10px 26px;
  border-radius: 4px;
  font-size: 14px;
  font-weight: 500;
  transition: background 0.2s;
}
.btn-outline:hover { background: var(--green-light); }

.btn-primary-dark {
  display: inline-block;
  background: var(--green-dark);
  color: var(--white);
  padding: 12px 24px;
  border-radius: 4px;
  font-size: 14px;
  font-weight: 600;
  transition: background 0.2s;
}
.btn-primary-dark:hover { background: #133826; }

/* =============================================
   NAVBAR
   ============================================= */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-text {
  display: flex;
  flex-direction: column;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.05em;
  line-height: 1.2;
  color: var(--green-dark);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  font-size: 13.5px;
  font-weight: 500;
  color: var(--text-mid);
  padding: 6px 10px;
  border-radius: 4px;
  transition: color 0.15s;
  position: relative;
}
.nav-link:hover { color: var(--green-dark); }
.nav-link.active { color: var(--green-dark); font-weight: 600; }
.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -20px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 2px;
  background: var(--green-dark);
}

.caret { font-size: 10px; opacity: 0.7; }

.nav-dropdown { position: relative; }

.btn-register {
  display: inline-block;
  background: var(--green-dark);
  color: var(--white);
  padding: 9px 20px;
  border-radius: 5px;
  font-size: 13.5px;
  font-weight: 600;
  margin-left: 8px;
  transition: background 0.2s;
}
.btn-register:hover { background: #133826; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--green-dark);
  border-radius: 2px;
  transition: transform 0.2s;
}

/* =============================================
   HERO
   ============================================= */
.hero {
  position: relative;
  min-height: 500px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
}
.hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-bg-fallback {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #2d5a3d 0%, #4a8a62 40%, #6aab7a 70%, #8bc47a 100%);
  z-index: -1;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(255,255,255,0.92) 0%, rgba(255,255,255,0.6) 40%, rgba(255,255,255,0.05) 70%, rgba(255,255,255,0) 100%);
  z-index: 1;
}
.hero-content {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  padding-top: 60px;
  padding-bottom: 60px;
}

.hero-left { flex: 1; max-width: 480px; }

.hero-title {
  font-size: 48px;
  font-weight: 800;
  color: var(--text-dark);
  line-height: 1.1;
  margin-bottom: 12px;
}

.hero-tagline {
  font-size: 20px;
  font-weight: 600;
  color: var(--green-accent);
  margin-bottom: 14px;
}

.hero-divider {
  width: 40px;
  height: 3px;
  background: var(--green-accent);
  margin-bottom: 16px;
}

.hero-desc {
  font-size: 15px;
  color: var(--text-mid);
  line-height: 1.65;
  margin-bottom: 28px;
}

.hero-ctas {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

/* Hero Card */
.hero-card {
  background: white;
  border-radius: 10px;
  padding: 28px 30px;
  width: 320px;
  flex-shrink: 0;
  box-shadow: 0 8px 32px rgba(0,0,0,0.18);
}

.hero-card-date {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}
.hero-card-date svg { margin-top: 3px; flex-shrink: 0; }
.hero-card-date strong {
  display: block;
  font-size: 16px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 2px;
}
.hero-card-date span {
  font-size: 13px;
  color: var(--text-light);
}

.card-divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 20px 0;
}

.hero-card-stakeholders {
  display: flex;
  justify-content: space-between;
  gap: 6px;
}

.stakeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  text-align: center;
}
.stakeholder span {
  font-size: 10.5px;
  color: var(--text-light);
  line-height: 1.3;
}

/* =============================================
   ABOUT
   ============================================= */
.about {
  padding: 72px 0;
  background: var(--white);
}

.about-inner {
  display: flex;
  align-items: center;
  gap: 0;
}

.about-decor {
  flex: 0 0 280px;
  opacity: 1;
}
.decor-svg {
  width: 280px;
  height: 200px;
}

.about-text {
  flex: 1;
  text-align: center;
  padding: 0 40px;
}

.section-title {
  font-size: 26px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 20px;
  position: relative;
  display: inline-block;
}
.section-title::after {
  content: '';
  display: block;
  width: 36px;
  height: 3px;
  background: var(--green-dark);
  margin: 10px auto 0;
}

.about-text p {
  font-size: 14.5px;
  color: var(--text-mid);
  line-height: 1.75;
  max-width: 620px;
  margin: 0 auto 16px;
}

.read-more {
  font-size: 14px;
  font-weight: 600;
  color: var(--green-dark);
  transition: opacity 0.2s;
}
.read-more:hover { opacity: 0.7; }

/* =============================================
   HIGHLIGHTS
   ============================================= */
.highlights {
  padding: 72px 0;
  background: var(--green-pale);
}

.highlights .section-title {
  display: block;
  text-align: center;
  margin-bottom: 36px;
}
.highlights .section-title::after { margin: 10px auto 0; }

.highlights-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  margin-bottom: 32px;
}

.highlight-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 24px 20px;
  text-align: center;
  transition: box-shadow 0.2s, transform 0.2s;
}
.highlight-card:hover {
  box-shadow: 0 4px 20px rgba(26,71,49,0.1);
  transform: translateY(-2px);
}

.highlight-icon {
  margin-bottom: 12px;
  display: flex;
  justify-content: center;
}

.highlight-card h3 {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 8px;
}
.highlight-card p {
  font-size: 12.5px;
  color: var(--text-light);
  line-height: 1.55;
}

.highlights-cta {
  text-align: center;
  margin-top: 20px;
}

/* =============================================
   GALLERY
   ============================================= */
.gallery-section {
  padding: 56px 0;
  background: var(--white);
}

.gallery-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 20px;
}

.gallery-title {
  font-size: 22px;
  font-weight: 700;
}

.view-gallery {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--green-dark);
}
.view-gallery:hover { opacity: 0.75; }

.gallery-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.5fr 1.5fr;
  gap: 8px;
  height: 260px;
}

.gallery-item { overflow: hidden; border-radius: 6px; position: relative; }

.gallery-placeholder {
  width: 100%;
  height: 100%;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
}
.gallery-placeholder img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.gp-panel    { background: linear-gradient(135deg, #1a3a5c 0%, #2a5a8a 100%); }
.gp-audience { background: linear-gradient(135deg, #2a4a3a 0%, #3a6a5a 100%); }
.gp-speaker  { background: linear-gradient(135deg, #1a2a1a 0%, #2d4a2d 100%); }
.gp-discussion { background: linear-gradient(135deg, #3a3a1a 0%, #5a5a2a 100%); }

.gallery-overlay-text {
  position: relative;
  z-index: 2;
  padding: 12px 14px;
  color: white;
  font-size: 11px;
  font-weight: 600;
  line-height: 1.4;
  background: linear-gradient(to top, rgba(0,0,0,0.6) 0%, transparent 100%);
  width: 100%;
}
.gallery-overlay-text small { font-weight: 400; opacity: 0.85; }

.gallery-badge {
  position: absolute;
  bottom: 10px;
  left: 10px;
  right: 10px;
  background: rgba(26,71,49,0.85);
  color: white;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 6px 10px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  gap: 6px;
  z-index: 2;
}

/* =============================================
   NCC 2026
   ============================================= */
.ncc2026 {
  position: relative;
  overflow: hidden;
  padding: 80px 0;
}

.ncc2026-bg {
  position: absolute;
  inset: 0;
}
.ncc2026-bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.ncc2026-bg-fallback {
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, #e8f2ec 0%, #d4e8da 40%, #c0ddc8 100%);
}
.ncc2026-overlay {
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.82);
  z-index: 1;
}

.ncc2026-inner {
  position: relative;
  z-index: 2;
  display: flex;
  gap: 80px;
  align-items: flex-start;
}

.ncc2026-left { flex: 1; max-width: 400px; }

.ncc2026-heading {
  font-size: 40px;
  font-weight: 800;
  color: var(--green-dark);
  line-height: 1;
  margin-bottom: 6px;
}
.ncc2026-sub {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 16px;
}
.ncc2026-left p {
  font-size: 14px;
  color: var(--text-mid);
  line-height: 1.7;
  margin-bottom: 28px;
}

.ncc2026-right {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px 32px;
  padding-top: 8px;
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.feature-icon {
  flex-shrink: 0;
  width: 42px;
  height: 42px;
  border-radius: 8px;
  background: rgba(26,71,49,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
}

.feature-item span {
  font-size: 13.5px;
  color: var(--text-mid);
  line-height: 1.5;
  padding-top: 10px;
}

/* =============================================
   ORGANISERS
   ============================================= */
.organisers {
  padding: 64px 0;
  background: var(--white);
  border-top: 1px solid var(--border);
}

.organisers .section-title {
  display: block;
  text-align: center;
  margin-bottom: 40px;
}
.organisers .section-title::after { margin: 10px auto 0; }

.organisers-grid {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 60px;
  flex-wrap: wrap;
}

.organiser-logo {
  display: flex;
  align-items: center;
  justify-content: center;
}

.empri-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}
.empri-text strong {
  display: block;
  font-size: 18px;
  color: var(--green-dark);
  letter-spacing: 0.05em;
}
.empri-text small {
  font-size: 10px;
  color: var(--text-light);
  line-height: 1.3;
  display: block;
}

.cee-logo {
  text-align: center;
}
.cee-letters {
  font-size: 36px;
  font-weight: 900;
  color: var(--text-dark);
  letter-spacing: -2px;
  line-height: 1;
  border-bottom: 3px solid #e8a020;
  padding-bottom: 4px;
}
.cee-sub {
  font-size: 10px;
  color: var(--text-light);
  margin-top: 4px;
  letter-spacing: 0.02em;
}

.hss-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}
.hss-text strong {
  display: block;
  font-size: 16px;
  font-weight: 700;
  color: #003087;
  line-height: 1.3;
}

/* =============================================
   FOOTER
   ============================================= */
.footer {
  background: #1a1a1a;
  color: #ccc;
  padding: 56px 0 0;
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1.5fr 1.5fr;
  gap: 48px;
  padding-bottom: 48px;
}

.footer-col h4 {
  font-size: 14px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 16px;
}

.footer-col p {
  font-size: 12.5px;
  line-height: 1.7;
  color: #aaa;
  margin-bottom: 18px;
}

.social-links {
  display: flex;
  gap: 12px;
}
.social-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid #444;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #aaa;
  transition: border-color 0.2s, color 0.2s;
}
.social-icon:hover { border-color: var(--green-accent); color: var(--green-accent); }

.footer-col ul li {
  margin-bottom: 8px;
}
.footer-col ul a {
  font-size: 12.5px;
  color: #aaa;
  transition: color 0.15s;
}
.footer-col ul a:hover { color: var(--white); }
.footer-col ul em { font-size: 11px; opacity: 0.7; }

.contact-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 12.5px;
  color: #aaa;
  margin-bottom: 10px;
}
.contact-list svg { flex-shrink: 0; margin-top: 2px; opacity: 0.8; }
.contact-list a { color: #aaa; }
.contact-list a:hover { color: var(--white); }

.footer-bottom {
  border-top: 1px solid #333;
  padding: 18px 0;
}
.footer-bottom-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: #777;
}
.footer-legal { display: flex; gap: 12px; align-items: center; }
.footer-legal a { color: #777; }
.footer-legal a:hover { color: #bbb; }
.sep { opacity: 0.5; }

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 1000px) {
  .highlights-grid { grid-template-columns: repeat(3, 1fr); }
  .ncc2026-inner { gap: 40px; }
}

@media (max-width: 800px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }

  .hero-content { flex-direction: column; padding-top: 40px; }
  .hero-title { font-size: 34px; }
  .hero-card { width: 100%; }

  .about-inner { flex-direction: column; }
  .about-decor { display: none; }

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

  .gallery-grid {
    grid-template-columns: 1fr 1fr;
    height: auto;
  }
  .gi-1, .gi-2, .gi-3, .gi-4 { height: 160px; }

  .ncc2026-inner { flex-direction: column; gap: 32px; }
  .ncc2026-right { grid-template-columns: 1fr; }

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

  .organisers-grid { gap: 32px; }
}

@media (max-width: 540px) {
  .highlights-grid { grid-template-columns: 1fr 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .hero-ctas { flex-direction: column; }
  .footer-bottom-inner { flex-direction: column; gap: 8px; text-align: center; }
}