/* ===== BASE RESET ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  min-height: 100dvh;
  line-height: 1.6;
  font-family: 'Barlow', 'Helvetica Neue', sans-serif;
  font-size: 16px;
  color: #1a1a1a;
  background-color: #fff;
  overflow-x: hidden;
}

img, picture, video, canvas, svg { display: block; max-width: 100%; height: auto; }
ul { list-style: none; }
input, button, textarea, select { font: inherit; color: inherit; }
h1, h2, h3, h4, h5, h6 { line-height: 1.15; }
a { text-decoration: none; color: inherit; }
button { cursor: pointer; background: none; border: none; }

/* ===== CSS VARIABLES ===== */
:root {
  --primary: #008753;
  --primary-light: #00A86B;
  --primary-dark: #006B42;
  --gold: #D4AF37;
  --gold-light: #E8C257;
  --gold-dark: #B8941F;
  --dark: #0F1A1C;
  --dark-light: #1A2A2E;
  --light: #F8F9FA;
  --gray: #8A9CA1;
  --gray-light: #E1E8EB;
  --white: #FFFFFF;
  --accent: #00A896;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.1);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.15);
  --transition: 200ms cubic-bezier(0.16, 1, 0.3, 1);
}

.gold { color: var(--gold); }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ===== SPLASH SCREEN ===== */
#splashScreen {
  position: fixed;
  inset: 0;
  background: var(--dark);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}
#splashScreen.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}
.splash-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}
.splash-logo {
  width: 120px;
  height: 120px;
  border-radius: 16px;
  object-fit: contain;
  animation: splashPulse 1.8s ease-in-out infinite;
  box-shadow: 0 0 60px rgba(0,135,83,0.3);
}
@keyframes splashPulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.06); opacity: 0.85; }
}
.splash-text {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}
.splash-title {
  font-size: 28px;
  font-weight: 800;
  color: var(--white);
  letter-spacing: 3px;
}
.splash-sub {
  font-size: 13px;
  color: rgba(255,255,255,0.5);
  font-weight: 400;
  letter-spacing: 0.5px;
  text-align: center;
  max-width: 300px;
}
.splash-loader {
  width: 160px;
  height: 3px;
  background: rgba(255,255,255,0.1);
  border-radius: 3px;
  overflow: hidden;
  margin-top: 8px;
}
.splash-loader-bar {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--primary), var(--gold));
  border-radius: 3px;
  animation: splashLoad 2.2s ease-in-out forwards;
}
@keyframes splashLoad {
  0% { width: 0; }
  60% { width: 75%; }
  100% { width: 100%; }
}

/* ===== TOP HEADER ===== */
.top-header {
  background: var(--white);
  border-bottom: 2px solid var(--primary);
  padding: 14px 0;
  position: relative;
  z-index: 101;
}
.top-header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.top-header-left {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}
.header-seal {
  width: 64px;
  height: 64px;
  object-fit: contain;
}
.top-header-center {
  text-align: center;
  flex: 1;
}
.header-event-name {
  font-size: clamp(14px, 1.2vw + 6px, 20px);
  font-weight: 800;
  color: var(--dark);
  line-height: 1.25;
  letter-spacing: 0.3px;
  margin-bottom: 6px;
}
.header-nioss {
  color: var(--primary);
}
.header-hosted-by {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  flex-wrap: wrap;
  font-size: 11px;
  color: #555;
  line-height: 1.4;
}
.header-hosted-by strong {
  color: var(--dark);
  font-weight: 700;
}
.header-divider-dot {
  color: var(--gray);
  font-weight: 300;
}
.header-osgf-logo {
  height: 22px;
  width: auto;
  object-fit: contain;
  vertical-align: middle;
}
.top-header-right {
  flex-shrink: 0;
}
.header-nioss-logo {
  width: 64px;
  height: 64px;
  object-fit: contain;
  border-radius: 6px;
}

/* ===== MAIN NAV ===== */
.main-nav {
  background: var(--dark);
  position: sticky;
  top: 0;
  z-index: 100;
  transition: box-shadow var(--transition);
}
.main-nav.scrolled {
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 0;
}
.nav-link {
  color: rgba(255,255,255,0.85);
  font-size: 14px;
  font-weight: 500;
  padding: 18px 16px;
  position: relative;
  transition: color var(--transition);
  white-space: nowrap;
}
.nav-link:hover,
.nav-link.active {
  color: var(--white);
}
.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 16px;
  right: 16px;
  height: 2px;
  background: var(--gold);
}
.nav-cta {
  background: var(--primary);
  color: var(--white);
  font-size: 13px;
  font-weight: 600;
  padding: 8px 20px;
  border-radius: 4px;
  transition: background var(--transition);
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-cta:hover {
  background: var(--primary-light);
}

/* Mobile toggle */
.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}
.mobile-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  transition: all var(--transition);
}

/* ===== HERO FLYER ===== */
.hero-flyer {
  position: relative;
  background: #f0f0ee;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.hero-flyer-image {
  width: 100%;
  max-width: 900px;
  margin: 0 auto;
}
.hero-flyer-image img {
  width: 100%;
  height: auto;
  display: block;
}
.hero-flyer-overlay {
  width: 100%;
  background: linear-gradient(135deg, rgba(0,135,83,0.95) 0%, rgba(15,26,28,0.9) 100%);
  padding: 32px 24px 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 28px;
}
.hero-flyer-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  font-size: 14px;
  font-weight: 600;
  border-radius: 4px;
  transition: all var(--transition);
  cursor: pointer;
  border: 2px solid transparent;
}
.btn-primary {
  background: var(--dark);
  color: var(--white);
  border-color: var(--dark);
}
.btn-primary:hover {
  background: rgba(15,26,28,0.85);
}
.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.4);
}
.btn-outline:hover {
  border-color: var(--white);
  background: rgba(255,255,255,0.1);
}
.btn-white {
  background: var(--white);
  color: var(--primary-dark);
  border-color: var(--white);
}
.btn-white:hover {
  background: var(--light);
}
.btn-outline-white {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.4);
}
.btn-outline-white:hover {
  border-color: var(--white);
  background: rgba(255,255,255,0.1);
}

/* Hero Stats */
.hero-stats {
  display: flex;
  align-items: center;
  gap: 32px;
}
.stat { text-align: center; }
.stat-number {
  display: block;
  font-size: clamp(1.5rem, 1.2rem + 1.5vw, 2.5rem);
  font-weight: 800;
  color: var(--gold);
  line-height: 1.2;
}
.stat-label {
  font-size: 13px;
  color: rgba(255,255,255,0.8);
  font-weight: 500;
}
.stat-divider {
  width: 1px;
  height: 40px;
  background: rgba(255,255,255,0.2);
}

/* ===== INFO STRIP ===== */
.info-strip {
  background: var(--primary);
  padding: 18px 0;
}
.info-strip-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
}
.info-item {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--white);
  font-size: 15px;
  font-weight: 500;
}
.info-item i {
  font-size: 18px;
  color: var(--gold);
}

/* ===== PARTNERS LOGO MARQUEE ===== */
.partners-marquee {
  background: var(--light);
  padding: 24px 0;
  overflow: hidden;
  border-bottom: 1px solid var(--gray-light);
}
.marquee-track {
  display: flex;
  overflow: hidden;
}
.marquee-content {
  display: flex;
  align-items: center;
  gap: 48px;
  animation: marquee 45s linear infinite;
  white-space: nowrap;
}
.partner-logo {
  height: 52px;
  width: auto;
  max-width: 120px;
  object-fit: contain;
  filter: grayscale(100%) opacity(0.65);
  transition: filter 0.3s ease;
  flex-shrink: 0;
}
.partner-logo:hover {
  filter: grayscale(0%) opacity(1);
}
@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ===== SECTION SHARED ===== */
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 12px;
}
.section-tag.light { color: var(--gold); }
.section-tag.center { display: flex; justify-content: center; }
.section-title {
  font-size: clamp(1.8rem, 1.2rem + 2vw, 2.8rem);
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 48px;
}
.section-title.center { text-align: center; }
.section-title.light { color: var(--white); }

/* ===== ABOUT SECTION ===== */
.about-section {
  background: var(--light);
  padding: clamp(60px, 8vw, 120px) 0;
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}
.about-features {
  display: flex;
  flex-direction: column;
  gap: 28px;
}
.about-feature {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.feature-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  background: var(--primary);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  font-size: 18px;
}
.about-feature h4 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 6px;
}
.about-feature p {
  font-size: 14px;
  color: #555;
  line-height: 1.7;
}
.about-image {
  position: relative;
}
.about-image img {
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
  width: 100%;
  height: auto;
}
.about-floating-card {
  position: absolute;
  bottom: -24px;
  left: -24px;
  background: var(--white);
  border-radius: 12px;
  padding: 20px 28px;
  box-shadow: var(--shadow-lg);
  border-left: 4px solid var(--gold);
}
.floating-number {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
}
.floating-label {
  font-size: 13px;
  color: var(--gray);
  font-weight: 500;
}

/* ===== GOALS SECTION ===== */
.goals-section {
  background: var(--white);
  padding: clamp(60px, 8vw, 120px) 0;
}
.goals-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.goal-card {
  background: var(--light);
  border-radius: 12px;
  padding: 32px 24px;
  position: relative;
  transition: transform var(--transition), box-shadow var(--transition);
  border: 1px solid transparent;
}
.goal-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary);
}
.goal-number {
  font-size: 48px;
  font-weight: 900;
  color: rgba(0,135,83,0.08);
  position: absolute;
  top: 12px;
  right: 16px;
  line-height: 1;
}
.goal-icon {
  width: 48px;
  height: 48px;
  background: var(--primary);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  font-size: 20px;
  margin-bottom: 20px;
}
.goal-card h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 10px;
}
.goal-card p {
  font-size: 14px;
  color: #666;
  line-height: 1.7;
}

/* ===== STAKEHOLDERS SECTION ===== */
.stakeholders-section {
  background: linear-gradient(135deg, var(--dark) 0%, var(--dark-light) 100%);
  padding: clamp(60px, 8vw, 120px) 0;
}
.stakeholders-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.stakeholder-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 12px;
  padding: 28px 24px;
  transition: all var(--transition);
}
.stakeholder-card:hover {
  background: rgba(255,255,255,0.08);
  border-color: var(--gold);
}
.stakeholder-icon {
  width: 44px;
  height: 44px;
  background: rgba(0,135,83,0.3);
  color: var(--gold);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  font-size: 18px;
  margin-bottom: 16px;
}
.stakeholder-card h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 12px;
}
.stakeholder-card ul {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.stakeholder-card li {
  font-size: 13px;
  color: rgba(255,255,255,0.7);
  line-height: 1.5;
  padding-left: 16px;
  position: relative;
}
.stakeholder-card li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  background: var(--gold);
  border-radius: 50%;
}

/* ===== JOURNEY SECTION ===== */
.journey-section {
  background: var(--light);
  padding: clamp(60px, 8vw, 120px) 0;
}
.journey-timeline {
  display: flex;
  flex-direction: column;
  gap: 40px;
}
.journey-phase {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.phase-badge {
  display: inline-flex;
  align-self: flex-start;
  padding: 6px 20px;
  border-radius: 30px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
}
.phase-badge.pre {
  background: rgba(212,175,55,0.15);
  color: var(--gold-dark);
}
.phase-badge.main {
  background: var(--primary);
  color: var(--white);
}
.journey-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}
.journey-card {
  background: var(--white);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-light);
  transition: all var(--transition);
}
.journey-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.journey-card.featured {
  border: 2px solid var(--primary);
}
.journey-card-header {
  background: linear-gradient(135deg, var(--dark) 0%, var(--dark-light) 100%);
  padding: 20px 24px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.journey-card.featured .journey-card-header {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
}
.journey-card-header i {
  color: var(--gold);
  font-size: 20px;
}
.journey-card-header h3 {
  color: var(--white);
  font-size: 16px;
  font-weight: 700;
}
.journey-card-body {
  padding: 20px 24px;
}
.journey-meta {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 12px;
}
.journey-meta span {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: #666;
}
.journey-meta i {
  color: var(--primary);
  font-size: 14px;
  width: 16px;
  text-align: center;
}
.journey-card-body > p {
  font-size: 14px;
  color: #555;
  line-height: 1.7;
}

/* ===== EXPERIENCE SECTION ===== */
.experience-section {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  padding: clamp(60px, 8vw, 100px) 0;
}
.experience-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 40px;
}
.experience-card {
  background: var(--white);
  border-radius: 10px;
  padding: 28px 24px;
  text-align: center;
  transition: transform var(--transition);
}
.experience-card:hover {
  transform: translateY(-3px);
}
.experience-icon {
  font-size: 28px;
  color: var(--primary);
  margin-bottom: 14px;
}
.experience-card h3 {
  font-size: 15px;
  font-weight: 700;
  color: var(--dark);
}
.experience-image {
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.experience-image img {
  width: 100%;
  height: auto;
}

/* ===== LEGACY SECTION ===== */
.legacy-section {
  background: var(--white);
  padding: clamp(60px, 8vw, 120px) 0;
}
.legacy-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.legacy-card {
  background: var(--light);
  border-radius: 12px;
  padding: 28px 24px;
  position: relative;
  border: 1px solid transparent;
  transition: all var(--transition);
}
.legacy-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
}
.legacy-number {
  font-size: 40px;
  font-weight: 900;
  color: rgba(0,135,83,0.08);
  line-height: 1;
  margin-bottom: 10px;
}
.legacy-card h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 8px;
}
.legacy-theme {
  font-size: 13px;
  color: var(--primary);
  font-weight: 600;
  font-style: italic;
  margin-bottom: 12px;
}
.legacy-card ul {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.legacy-card li {
  font-size: 13px;
  color: #666;
  line-height: 1.5;
  padding-left: 16px;
  position: relative;
}
.legacy-card li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  background: var(--gold);
  border-radius: 50%;
}

/* ===== COMMUNITY BANNER ===== */
.community-banner {
  position: relative;
  height: 400px;
  overflow: hidden;
}
.community-banner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.community-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0,135,83,0.85) 0%, rgba(15,26,28,0.7) 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 24px;
}
.community-overlay h2 {
  font-size: clamp(2rem, 1.5rem + 2vw, 3rem);
  font-weight: 800;
  color: var(--white);
  margin-bottom: 12px;
}
.community-overlay p {
  font-size: 18px;
  color: rgba(255,255,255,0.9);
  font-weight: 400;
}

/* ===== WHY SECTION ===== */
.why-section {
  background: linear-gradient(135deg, var(--dark) 0%, var(--dark-light) 100%);
  padding: clamp(60px, 8vw, 120px) 0;
}
.why-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}
.why-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 12px;
  padding: 28px 20px;
  text-align: center;
  transition: all var(--transition);
}
.why-card:hover {
  background: rgba(255,255,255,0.08);
  border-color: var(--gold);
  transform: translateY(-3px);
}
.why-icon {
  font-size: 28px;
  color: var(--gold);
  margin-bottom: 16px;
}
.why-card h3 {
  font-size: 15px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 8px;
}
.why-card p {
  font-size: 13px;
  color: rgba(255,255,255,0.8);
  line-height: 1.6;
}

/* ===== DELIVERABLES SECTION ===== */
.deliverables-section {
  background: var(--light);
  padding: clamp(60px, 8vw, 100px) 0;
}
.deliverables-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}
.deliverable-item {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--white);
  border-radius: 10px;
  padding: 20px 24px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-light);
  transition: all var(--transition);
}
.deliverable-item:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--primary);
}
.deliverable-item i {
  font-size: 24px;
  color: var(--primary);
  flex-shrink: 0;
}
.deliverable-item span {
  font-size: 14px;
  font-weight: 500;
  color: var(--dark);
  line-height: 1.5;
}

/* ===== BROCHURE SECTION ===== */
.brochure-section {
  background: var(--white);
  padding: 40px 0;
  border-bottom: 1px solid var(--gray-light);
}
.brochure-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.brochure-text {
  display: flex;
  align-items: center;
  gap: 16px;
}
.brochure-icon {
  font-size: 36px;
  color: #E74C3C;
  flex-shrink: 0;
}
.brochure-text h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 4px;
}
.brochure-text p {
  font-size: 14px;
  color: #666;
}
.brochure-btn {
  flex-shrink: 0;
}

/* ===== REGISTRATION / CTA SECTION ===== */
.register-section {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  padding: clamp(60px, 8vw, 100px) 0;
  text-align: center;
}
.cta-title {
  font-size: clamp(2rem, 1.5rem + 2vw, 3rem);
  font-weight: 800;
  color: var(--white);
  margin-bottom: 16px;
}
.cta-text {
  font-size: 17px;
  color: rgba(255,255,255,0.9);
  max-width: 640px;
  margin: 0 auto 40px;
  line-height: 1.7;
}
.cta-buttons {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* Registration Form */
.register-form-wrap {
  max-width: 700px;
  margin: 0 auto;
  background: var(--white);
  border-radius: 16px;
  padding: 40px 36px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.2);
  text-align: left;
}
.register-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.form-group.full-width {
  grid-column: 1 / -1;
}
.form-group label {
  font-size: 13px;
  font-weight: 600;
  color: var(--dark);
  letter-spacing: 0.3px;
}
.form-group .required {
  color: #E74C3C;
}
.form-group input,
.form-group select {
  padding: 12px 16px;
  border: 1.5px solid var(--gray-light);
  border-radius: 8px;
  font-size: 14px;
  color: var(--dark);
  background: var(--light);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0,135,83,0.12);
}
.form-group input::placeholder {
  color: var(--gray);
}
.form-actions {
  text-align: center;
  margin-top: 8px;
}
.btn-submit {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
  padding: 14px 40px;
  font-size: 15px;
  font-weight: 700;
  border-radius: 8px;
}
.btn-submit:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
}
.form-note {
  font-size: 12px;
  color: var(--gray);
  text-align: center;
  margin-top: 8px;
}
.register-success {
  text-align: center;
  padding: 40px 20px;
}
.success-icon {
  font-size: 56px;
  color: var(--primary);
  margin-bottom: 16px;
}
.register-success h3 {
  font-size: 22px;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 12px;
}
.register-success p {
  font-size: 15px;
  color: #555;
  line-height: 1.7;
  margin-bottom: 8px;
}
.success-contact a {
  color: var(--primary);
  font-weight: 600;
}

/* ===== FOOTER ===== */
.site-footer {
  background: var(--dark);
  padding: 60px 0 0;
  color: rgba(255,255,255,0.7);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1.2fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}
.footer-nioss-logo {
  width: 44px;
  height: 44px;
  object-fit: contain;
  border-radius: 4px;
}
.footer-logo span {
  font-size: 20px;
  font-weight: 800;
  color: var(--white);
}
.footer-desc {
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 20px;
}
.footer-social {
  display: flex;
  gap: 12px;
}
.footer-social a {
  width: 36px;
  height: 36px;
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: rgba(255,255,255,0.7);
  transition: all var(--transition);
}
.footer-social a:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--white);
}
.footer-col h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 20px;
}
.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-col li {
  font-size: 13px;
  line-height: 1.5;
}
.footer-col a {
  transition: color var(--transition);
}
.footer-col a:hover {
  color: var(--gold);
}
.footer-contact li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
}
.footer-contact i {
  margin-top: 3px;
  font-size: 14px;
  flex-shrink: 0;
}
.mt-4 { margin-top: 24px; }
.footer-bottom {
  padding: 20px 0;
  text-align: center;
}
.footer-bottom p {
  font-size: 13px;
  color: rgba(255,255,255,0.5);
}
.footer-official {
  margin-top: 4px;
}
.pplx-link {
  display: inline-block;
  margin-top: 8px;
  font-size: 12px;
  color: rgba(255,255,255,0.35);
  transition: color var(--transition);
}
.pplx-link:hover {
  color: rgba(255,255,255,0.6);
}

/* ===== PHOTO GALLERY ===== */
.gallery-section {
  background: var(--white);
  padding: clamp(60px, 8vw, 120px) 0;
}
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
.gallery-item {
  position: relative;
  border-radius: 10px;
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 4/3;
}
.gallery-item.gallery-wide {
  grid-column: span 2;
}
.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.gallery-item:hover img {
  transform: scale(1.05);
}
.gallery-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 32px 16px 12px;
  background: linear-gradient(0deg, rgba(0,0,0,0.7) 0%, transparent 100%);
  color: var(--white);
  font-size: 13px;
  font-weight: 500;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}
.gallery-item:hover .gallery-caption {
  opacity: 1;
  transform: translateY(0);
}

/* ===== INQUIRY MODAL ===== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(4px);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}
.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}
.modal-box {
  background: var(--white);
  border-radius: 16px;
  padding: 40px 36px;
  max-width: 600px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  box-shadow: 0 24px 80px rgba(0,0,0,0.3);
  transform: translateY(20px) scale(0.97);
  transition: transform 0.3s ease;
}
.modal-overlay.active .modal-box {
  transform: translateY(0) scale(1);
}
.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: var(--gray);
  border-radius: 50%;
  transition: all var(--transition);
  cursor: pointer;
  background: none;
  border: none;
}
.modal-close:hover {
  background: var(--light);
  color: var(--dark);
}
.modal-header {
  text-align: center;
  margin-bottom: 28px;
}
.modal-icon {
  width: 56px;
  height: 56px;
  background: rgba(0,135,83,0.1);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  font-size: 24px;
  margin: 0 auto 16px;
}
.modal-header h3 {
  font-size: 22px;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 6px;
}
.modal-header p {
  font-size: 14px;
  color: #666;
}
.modal-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.modal-form textarea {
  padding: 12px 16px;
  border: 1.5px solid var(--gray-light);
  border-radius: 8px;
  font-size: 14px;
  color: var(--dark);
  background: var(--light);
  resize: vertical;
  font-family: inherit;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.modal-form textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0,135,83,0.12);
}
.modal-form textarea::placeholder {
  color: var(--gray);
}
.modal-success {
  text-align: center;
  padding: 20px 0;
}

/* ===== LIGHTBOX ===== */
.lightbox-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.92);
  z-index: 10001;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}
.lightbox-overlay.active {
  opacity: 1;
  visibility: visible;
}
.lightbox-close {
  position: absolute;
  top: 20px;
  right: 24px;
  font-size: 32px;
  color: rgba(255,255,255,0.7);
  background: none;
  border: none;
  cursor: pointer;
  z-index: 10;
  transition: color 0.2s;
}
.lightbox-close:hover { color: var(--white); }
.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.1);
  border: none;
  border-radius: 50%;
  color: var(--white);
  font-size: 18px;
  cursor: pointer;
  z-index: 10;
  transition: background 0.2s;
}
.lightbox-nav:hover { background: rgba(255,255,255,0.2); }
.lightbox-prev { left: 20px; }
.lightbox-next { right: 20px; }
.lightbox-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 90vw;
  max-height: 85vh;
}
.lightbox-content img {
  max-width: 100%;
  max-height: 78vh;
  object-fit: contain;
  border-radius: 8px;
}
.lightbox-caption {
  color: rgba(255,255,255,0.8);
  font-size: 14px;
  margin-top: 12px;
  text-align: center;
}

/* ===== SCROLL REVEAL ===== */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger children */
.reveal:nth-child(2) { transition-delay: 0.05s; }
.reveal:nth-child(3) { transition-delay: 0.1s; }
.reveal:nth-child(4) { transition-delay: 0.15s; }
.reveal:nth-child(5) { transition-delay: 0.2s; }
.reveal:nth-child(6) { transition-delay: 0.25s; }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .goals-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .stakeholders-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .legacy-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .why-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 1024px) {
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .gallery-item.gallery-wide {
    grid-column: span 2;
  }
}

@media (max-width: 768px) {
  .header-seal {
    width: 44px;
    height: 44px;
  }
  .header-nioss-logo {
    width: 44px;
    height: 44px;
  }
  .header-event-name {
    font-size: 13px;
  }
  .header-hosted-by {
    font-size: 10px;
  }
  .header-osgf-logo {
    height: 16px;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 60px;
    left: 0;
    right: 0;
    background: var(--dark);
    flex-direction: column;
    padding: 16px 0;
    border-top: 1px solid rgba(255,255,255,0.1);
    box-shadow: var(--shadow-lg);
  }
  .nav-links.open {
    display: flex;
  }
  .nav-link {
    padding: 12px 24px;
  }
  .nav-link.active::after {
    display: none;
  }
  .mobile-toggle {
    display: flex;
  }
  .nav-cta {
    display: none;
  }

  .hero-flyer-overlay {
    padding: 24px 16px 32px;
    gap: 20px;
  }
  .hero-stats {
    gap: 20px;
  }
  .hero-flyer-cta {
    flex-direction: column;
    align-items: center;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .goals-grid {
    grid-template-columns: 1fr;
  }
  .stakeholders-grid {
    grid-template-columns: 1fr;
  }
  .experience-grid {
    grid-template-columns: 1fr;
  }
  .legacy-grid {
    grid-template-columns: 1fr;
  }
  .why-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .info-strip-inner {
    gap: 20px;
    flex-direction: column;
  }
  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
  .register-form-wrap {
    padding: 28px 20px;
  }
  .brochure-inner {
    flex-direction: column;
    text-align: center;
  }
  .brochure-text {
    flex-direction: column;
  }
  .community-banner {
    height: 300px;
  }
  .about-floating-card {
    left: 12px;
    bottom: -16px;
  }
  .journey-cards {
    grid-template-columns: 1fr;
  }
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .gallery-item.gallery-wide {
    grid-column: span 1;
  }
  .modal-box {
    padding: 28px 20px;
  }
  .modal-form .form-row {
    grid-template-columns: 1fr;
  }
  .lightbox-overlay {
    padding: 16px;
  }
  .lightbox-nav {
    width: 36px;
    height: 36px;
    font-size: 14px;
  }
  .lightbox-prev { left: 8px; }
  .lightbox-next { right: 8px; }
}

@media (max-width: 480px) {
  .why-grid {
    grid-template-columns: 1fr;
  }
  .deliverables-grid {
    grid-template-columns: 1fr;
  }
  .hero-title {
    font-size: 2rem;
  }
}

.top-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: nowrap;
}

.top-header-right.header-logos-right {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  flex-wrap: nowrap;
  white-space: nowrap;
  min-width: 0;
}

.header-partner-logo {
  display: block;
  flex: 0 0 auto;
  width: auto;
  height: 42px;
  max-width: 80px;
  object-fit: contain;
}

@media (max-width: 768px) {
  .top-header-right.header-logos-right {
    gap: 6px;
  }

  .header-partner-logo {
    height: 30px;
    max-width: 60px;
  }
}

.video-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(4px);
  z-index: 10050;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.video-overlay.active {
  opacity: 1;
  visibility: visible;
}

.video-modal {
  position: relative;
  width: min(900px, 96vw);
  background: #000;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
}

.welcome-video {
  display: block;
  width: 100%;
  height: auto;
  max-height: 80vh;
  background: #000;
}

.video-close {
  position: absolute;
  top: 10px;
  right: 10px;
  z-index: 2;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.6);
  color: #fff;
  font-size: 26px;
  line-height: 1;
}

@media (max-width: 768px) {
  .header-logos-right {
    gap: 8px;
  }

  .header-partner-logo {
    height: 38px;
  }
}