/* =========================================================
   NICE-EV 2026 — Stylesheet
   ---------------------------------------------------------
   1. Theme tokens (light = default, dark = [data-theme="dark"])
   2. Reset & utilities
   3. Icons
   4. Navigation + theme toggle
   5. Hero & countdown
   6. Section base
   7. About
   8. Scopes
   9. Timeline
   10. Schedule
   11. Speakers
   12. Fees
   13. Sponsors
   14. Submission
   15. Organizer & footer
   16. Animations
   17. Responsive
   ========================================================= */

/* ---------- 1. Theme tokens ---------- */
:root {
  /* Light theme — DEFAULT */
  --bg:        #ffffff;
  --bg2:       #f5f8fc;
  --bg3:       #eaf0f7;
  --accent:    #006b8c;   /* deep teal-cyan, brand-aligned */
  --accent2:   #008a52;   /* forest green */
  --accent3:   #d6541a;   /* burnt orange */
  --text:      #0a1f3a;   /* deep navy */
  --text2:     #5a6e87;   /* medium slate */
  --border:    rgba(0, 107, 140, 0.18);
  --hairline:  rgba(10, 31, 58, 0.07);
  --card:      rgba(245, 248, 252, 0.92);
  --shadow-lg: 0 20px 60px -20px rgba(0, 107, 140, 0.22);
  --nav-bg:    rgba(255, 255, 255, 0.88);
  --nav-bg-strong: rgba(255, 255, 255, 0.96);
  --hero-bg-opacity: 0.18;
  --hero-bg-filter: saturate(0.6) brightness(1.05);
  --logo-box-bg: #ffffff;
  --radius: 4px;
}

[data-theme="dark"] {
  --bg:        #050a12;
  --bg2:       #080f1c;
  --bg3:       #0c1628;
  --accent:    #00d4ff;
  --accent2:   #00ff88;
  --accent3:   #ff6b00;
  --text:      #e8f0ff;
  --text2:     #7a96bc;
  --border:    rgba(0, 212, 255, 0.15);
  --hairline:  rgba(255, 255, 255, 0.04);
  --card:      rgba(8, 20, 45, 0.85);
  --shadow-lg: 0 20px 60px -20px rgba(0, 212, 255, 0.25);
  --nav-bg:    rgba(5, 10, 18, 0.92);
  --nav-bg-strong: rgba(5, 10, 18, 0.98);
  --hero-bg-opacity: 0.18;
  --hero-bg-filter: hue-rotate(180deg) saturate(0.7);
  --logo-box-bg: #ffffff;
}

/* ---------- 2. Reset & utilities ---------- */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Space Grotesk', sans-serif;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color 0.25s, color 0.25s;
}

img { display: block; max-width: 100%; }

.section-label {
  font-size: 0.7rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 3px;
  font-weight: 700;
  margin-bottom: 0.75rem;
}
.section-title {
  font-family: 'Bebas Neue', cursive;
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: 2px;
  margin-bottom: 1rem;
  color: var(--text);
}
.section-divider {
  width: 60px;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), transparent);
  margin-bottom: 3rem;
}

/* ---------- 3. Icons ---------- */
.icon {
  width: 1em;
  height: 1em;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex-shrink: 0;
  vertical-align: -0.125em;
}
.icon-lg { width: 1.5em; height: 1.5em; }
.icon-xl { width: 2em; height: 2em; }

/* ---------- 4. Navigation + theme toggle ---------- */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: var(--nav-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 5%;
  height: 64px;
  transition: background 0.3s, border-color 0.3s;
}
nav.scrolled {
  background: var(--nav-bg-strong);
  border-bottom-color: color-mix(in srgb, var(--accent) 30%, transparent);
}
.nav-logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--accent);
}
.nav-logo-img {
  width: 40px;
  height: 40px;
  object-fit: cover;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: #fff;
}
.nav-logo-text {
  font-family: 'Bebas Neue', cursive;
  font-size: 1.4rem;
  letter-spacing: 2.5px;
  color: var(--accent);
  line-height: 1;
}
.nav-logo-text span { color: var(--accent2); }

.nav-links {
  display: flex;
  gap: 1.4rem;
  list-style: none;
}
.nav-links a {
  color: var(--text2);
  text-decoration: none;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  transition: color 0.2s;
  position: relative;
  white-space: nowrap;
}
.nav-links a:hover,
.nav-links a.active { color: var(--accent); }
.nav-links a.active::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -8px;
  height: 2px;
  background: var(--accent);
}

.nav-right { display: inline-flex; align-items: center; gap: 0.75rem; }
.nav-cta {
  background: transparent;
  border: 1px solid var(--accent);
  color: var(--accent);
  padding: 8px 20px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.2s;
  font-family: 'Space Grotesk', sans-serif;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.nav-cta:hover { background: var(--accent); color: var(--bg); }

.theme-toggle, .nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  width: 38px; height: 38px;
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s;
}
.theme-toggle:hover, .nav-toggle:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.theme-toggle .icon-sun { display: none; }
[data-theme="dark"] .theme-toggle .icon-sun { display: inline-block; }
[data-theme="dark"] .theme-toggle .icon-moon { display: none; }
.nav-toggle { display: none; }

/* ---------- 5. Hero & countdown ---------- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  padding: 80px 5% 60px;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('https://images.unsplash.com/photo-1593941707882-a5bba14938c7?auto=format&fit=crop&w=2000&q=70');
  background-size: cover;
  background-position: center;
  opacity: var(--hero-bg-opacity);
  filter: var(--hero-bg-filter);
  pointer-events: none;
  animation: hero-ken-burns 28s ease-in-out infinite alternate;
  transform-origin: center center;
  will-change: transform;
}
@keyframes hero-ken-burns {
  0%   { transform: scale(1) translate(0%, 0%); }
  50%  { transform: scale(1.08) translate(-2%, -1.5%); }
  100% { transform: scale(1.05) translate(2%, 1%); }
}
.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, var(--bg) 0%, transparent 40%, var(--bg) 100%),
    linear-gradient(90deg, var(--bg) 0%, transparent 50%);
}
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(color-mix(in srgb, var(--accent) 5%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in srgb, var(--accent) 5%, transparent) 1px, transparent 1px);
  background-size: 60px 60px;
  animation: hero-grid-drift 40s linear infinite;
}
@keyframes hero-grid-drift {
  from { background-position: 0 0; }
  to   { background-position: 60px 60px; }
}
.hero-glow {
  position: absolute;
  width: 700px; height: 700px;
  border-radius: 50%;
  background: radial-gradient(circle, color-mix(in srgb, var(--accent) 9%, transparent) 0%, transparent 70%);
  top: -200px; right: -100px;
  pointer-events: none;
  animation: hero-glow-float 14s ease-in-out infinite alternate;
}
.hero-glow2 {
  position: absolute;
  width: 500px; height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, color-mix(in srgb, var(--accent2) 7%, transparent) 0%, transparent 70%);
  bottom: -100px; left: 10%;
  pointer-events: none;
  animation: hero-glow-float 18s ease-in-out infinite alternate-reverse;
}
@keyframes hero-glow-float {
  0%   { transform: translate(0, 0) scale(1); opacity: 0.85; }
  100% { transform: translate(30px, -20px) scale(1.1); opacity: 1; }
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 900px;
}
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: color-mix(in srgb, var(--accent) 10%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 28%, transparent);
  padding: 6px 16px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 2rem;
}
.hero-tag::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: blink 1.5s infinite;
}
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0.2; } }

.hero-title {
  font-family: 'Bebas Neue', cursive;
  font-size: clamp(3.5rem, 8vw, 7rem);
  line-height: 0.95;
  letter-spacing: 2px;
  margin-bottom: 1rem;
}
.hero-title .line1 { color: var(--text); }
.hero-title .line2 { color: var(--accent); display: block; }
.hero-title .line3 {
  color: var(--text2);
  font-size: 0.55em;
  display: block;
  letter-spacing: 4px;
}

.hero-subtitle {
  font-size: 1rem;
  color: var(--text2);
  max-width: 600px;
  line-height: 1.7;
  margin-bottom: 2.5rem;
  font-style: italic;
  border-left: 2px solid var(--accent2);
  padding-left: 1rem;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  margin-bottom: 2.5rem;
}
.hero-meta-item { display: flex; align-items: center; gap: 12px; }
.hero-meta-icon {
  width: 40px; height: 40px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--accent) 6%, transparent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 1.05rem;
}
.hero-meta-text small {
  display: block;
  color: var(--text2);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.hero-meta-text strong { font-size: 0.95rem; font-weight: 600; color: var(--text); }

.hero-btns { display: flex; gap: 1rem; flex-wrap: wrap; }
.btn-primary {
  background: var(--accent);
  color: #ffffff;
  padding: 14px 32px;
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  font-family: 'Space Grotesk', sans-serif;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.2s;
}
.btn-primary:hover {
  background: var(--accent2);
  transform: translateY(-2px);
}
[data-theme="dark"] .btn-primary { color: var(--bg); }

.btn-secondary {
  background: transparent;
  color: var(--text);
  padding: 14px 32px;
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  border: 1px solid color-mix(in srgb, var(--text) 22%, transparent);
  cursor: pointer;
  font-family: 'Space Grotesk', sans-serif;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.2s;
}
.btn-secondary:hover { border-color: var(--text); }

/* Countdown */
.countdown-bar {
  background: var(--bg2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 1.5rem 5%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}
.countdown-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  color: var(--accent3);
  text-transform: uppercase;
  letter-spacing: 2px;
  font-weight: 700;
}
.countdown-items { display: flex; gap: 1.5rem; }
.cd-item { text-align: center; }
.cd-num {
  font-family: 'Bebas Neue', cursive;
  font-size: 2.5rem;
  color: var(--accent);
  line-height: 1;
}
.cd-unit {
  font-size: 0.65rem;
  color: var(--text2);
  text-transform: uppercase;
  letter-spacing: 1px;
}
.countdown-note { font-size: 0.8rem; color: var(--text2); }
.countdown-note strong { color: var(--accent3); }

/* ---------- 6. Section base ---------- */
section { padding: 80px 5%; }

/* ---------- 7. About ---------- */
.about { background: var(--bg2); }
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}
.about-text { font-size: 0.95rem; color: var(--text2); line-height: 1.8; }
.about-text p { margin-bottom: 1rem; }
.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}
.stat-card {
  background: var(--bg3);
  border: 1px solid var(--border);
  padding: 1.5rem;
  transition: transform 0.2s, border-color 0.2s;
}
.stat-card:hover {
  transform: translateY(-3px);
  border-color: color-mix(in srgb, var(--accent) 38%, transparent);
}
.stat-num {
  font-family: 'Bebas Neue', cursive;
  font-size: 2.5rem;
  color: var(--accent);
  line-height: 1;
}
.stat-label {
  font-size: 0.75rem;
  color: var(--text2);
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ---------- 8. Scopes ---------- */
.scopes-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5px;
  background: var(--border);
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}
@media (max-width: 900px) {
  .scopes-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .scopes-grid { grid-template-columns: 1fr; }
}
.scope-card {
  background: var(--bg);
  padding: 2rem;
  transition: background 0.2s;
  cursor: default;
  position: relative;
}
.scope-card:hover { background: var(--bg2); }
.scope-num {
  font-family: 'Bebas Neue', cursive;
  font-size: 3rem;
  color: color-mix(in srgb, var(--accent) 18%, transparent);
  line-height: 1;
  margin-bottom: 0.5rem;
}
.scope-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px; height: 48px;
  background: color-mix(in srgb, var(--accent) 10%, transparent);
  color: var(--accent);
  font-size: 1.3rem;
  margin-bottom: 1rem;
  border: 1px solid color-mix(in srgb, var(--accent) 22%, transparent);
}
.scope-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--text);
}
.scope-desc {
  font-size: 0.82rem;
  color: var(--text2);
  line-height: 1.6;
  margin-bottom: 1rem;
}
.scope-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.scope-tag {
  font-size: 0.65rem;
  padding: 3px 10px;
  border: 1px solid color-mix(in srgb, var(--accent) 25%, transparent);
  color: var(--accent);
  letter-spacing: 0.5px;
  font-weight: 600;
}

/* ---------- 9. Timeline ---------- */
.timeline { background: var(--bg2); }
.timeline-items { display: flex; flex-direction: column; gap: 0; }
.timeline-item {
  display: grid;
  grid-template-columns: 180px 40px 1fr;
  align-items: start;
  gap: 0;
}
.tl-date {
  text-align: right;
  padding: 1.5rem 1.5rem 1.5rem 0;
  font-size: 0.8rem;
  color: var(--text2);
}
.tl-date strong {
  display: block;
  color: var(--accent);
  font-size: 0.9rem;
  font-weight: 700;
}
.tl-line {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0;
}
.tl-dot {
  width: 12px; height: 12px;
  border-radius: 50%;
  border: 2px solid var(--accent);
  background: var(--bg2);
  margin-top: 1.7rem;
  flex-shrink: 0;
  position: relative;
  z-index: 1;
}
.timeline-item.active .tl-dot {
  background: var(--accent);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 18%, transparent);
}
.tl-connector { flex: 1; width: 2px; background: var(--border); min-height: 30px; }
.timeline-item:last-child .tl-connector { display: none; }
.tl-content { padding: 1.2rem 0 1.2rem 1.5rem; }
.tl-title { font-weight: 700; font-size: 1rem; margin-bottom: 0.25rem; color: var(--text); }
.tl-note { font-size: 0.8rem; color: var(--text2); line-height: 1.5; }
.tl-badge {
  display: inline-block;
  background: color-mix(in srgb, var(--accent3) 16%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent3) 35%, transparent);
  color: var(--accent3);
  font-size: 0.65rem;
  padding: 2px 8px;
  letter-spacing: 1px;
  text-transform: uppercase;
  font-weight: 700;
  margin-bottom: 0.5rem;
}
.tl-badge.go {
  background: color-mix(in srgb, var(--accent2) 14%, transparent);
  border-color: color-mix(in srgb, var(--accent2) 35%, transparent);
  color: var(--accent2);
}

/* ---------- 10. Schedule ---------- */
.schedule-section { background: var(--bg2); }
.schedule-grid {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 0;
  border: 1px solid var(--border);
  background: var(--bg);
}
.sch-time {
  padding: 1rem;
  font-size: 0.8rem;
  color: var(--accent);
  font-family: 'Rajdhani', sans-serif;
  font-weight: 700;
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--hairline);
}
.sch-activity {
  padding: 1rem 1.5rem;
  font-size: 0.85rem;
  border-bottom: 1px solid var(--hairline);
  line-height: 1.4;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
}
.sch-activity.highlight { color: var(--accent2); font-weight: 700; }
.sch-activity.keynote { color: var(--accent); font-weight: 700; }
.sch-activity.gala { color: var(--accent3); font-weight: 700; }
.sch-separator {
  grid-column: 1 / -1;
  background: color-mix(in srgb, var(--accent) 8%, transparent);
  padding: 0.6rem 1.5rem;
  font-size: 0.7rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 2px;
  font-weight: 700;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

/* ---------- 10b. Venue ---------- */
.venue-section { background: var(--bg); }
.venue-grid {
  display: grid;
  grid-template-columns: 1fr 60px 1fr;
  gap: 1.5rem;
  align-items: stretch;
  max-width: 1000px;
}
.venue-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  padding: 2rem;
  transition: transform 0.2s, border-color 0.2s;
}
.venue-card:hover {
  transform: translateY(-3px);
  border-color: color-mix(in srgb, var(--accent) 35%, transparent);
}
.venue-card.primary {
  background: color-mix(in srgb, var(--accent) 7%, var(--bg));
  border-color: color-mix(in srgb, var(--accent) 30%, transparent);
}
.venue-card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px; height: 48px;
  background: color-mix(in srgb, var(--accent) 10%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 22%, transparent);
  color: var(--accent);
  margin-bottom: 1rem;
}
.venue-card-label {
  font-size: 0.7rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 2px;
  font-weight: 700;
  margin-bottom: 0.5rem;
}
.venue-card-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--text);
}
.venue-card-desc {
  font-size: 0.85rem;
  color: var(--text2);
  line-height: 1.6;
}
.venue-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 1.5rem;
}

@media (max-width: 768px) {
  .venue-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  .venue-arrow { transform: rotate(90deg); padding: 0.5rem 0; }
}

/* ---------- 11. Speakers ---------- */
.speakers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1.5px;
  background: var(--border);
}
.speakers-grid.keynote-grid {
  grid-template-columns: repeat(4, 1fr);
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}
@media (max-width: 900px) {
  .speakers-grid.keynote-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 500px) {
  .speakers-grid.keynote-grid { grid-template-columns: 1fr; }
}
.speaker-card {
  background: var(--bg);
  padding: 1.5rem;
  transition: background 0.2s, transform 0.2s;
}
.speaker-card:hover {
  background: var(--bg2);
  transform: translateY(-3px);
}
.speaker-photo {
  width: 100%;
  aspect-ratio: 1 / 1;
  max-width: 180px;
  background: var(--bg3);
  border: 1px solid var(--border);
  margin: 0 auto 1.25rem;
  overflow: hidden;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.speaker-photo img {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: grayscale(0.3) contrast(1.05);
  transition: filter 0.3s;
  position: relative;
  z-index: 1;
}
.speaker-card:hover .speaker-photo img { filter: grayscale(0) contrast(1); }
.speaker-photo .initials {
  font-family: 'Bebas Neue', cursive;
  font-size: 3rem;
  color: var(--accent);
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg3);
}
.speaker-name { font-weight: 700; font-size: 0.9rem; margin-bottom: 0.25rem; color: var(--text); }
.speaker-org { font-size: 0.75rem; color: var(--accent2); margin-bottom: 0.5rem; font-weight: 600; }
.speaker-role { font-size: 0.72rem; color: var(--text2); line-height: 1.4; }
.speaker-type {
  display: inline-block;
  margin-top: 0.75rem;
  font-size: 0.6rem;
  padding: 2px 8px;
  border: 1px solid var(--border);
  color: var(--text2);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 600;
}
.speaker-type.keynote {
  border-color: color-mix(in srgb, var(--accent) 35%, transparent);
  color: var(--accent);
}

/* ---------- 12. Fees ---------- */
.fees-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5px;
  background: var(--border);
}
.fee-card {
  background: var(--bg);
  padding: 2rem;
  transition: background 0.2s;
}
.fee-card:hover { background: var(--bg2); }
.fee-card.featured {
  background: color-mix(in srgb, var(--accent) 7%, var(--bg));
  position: relative;
}
.fee-card.featured::before {
  content: 'Recommended';
  position: absolute;
  top: 0; right: 0;
  background: var(--accent);
  color: #fff;
  font-size: 0.6rem;
  padding: 4px 10px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
}
.fee-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px; height: 44px;
  background: color-mix(in srgb, var(--accent) 10%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 22%, transparent);
  color: var(--accent);
  font-size: 1.2rem;
  margin-bottom: 1rem;
}
.fee-title { font-weight: 700; font-size: 1.1rem; margin-bottom: 0.5rem; color: var(--text); }
.fee-amount {
  font-family: 'Bebas Neue', cursive;
  font-size: 2.5rem;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 0.5rem;
}
.fee-amount.free { color: var(--accent2); }
.fee-desc { font-size: 0.8rem; color: var(--text2); line-height: 1.6; }
.fee-note { margin-top: 1rem; font-size: 0.75rem; color: var(--text2); }

/* ---------- 13. Sponsors ---------- */
.sponsors-section { background: var(--bg2); }
.sponsor-sectors-header {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 1.25rem;
}
.sponsor-sectors-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5px;
  background: var(--border);
  margin-bottom: 3rem;
  max-width: 1200px;
}
.sector-card {
  background: var(--bg);
  padding: 1.5rem;
  transition: background 0.2s;
}
.sector-card:hover { background: var(--bg3); }
.sector-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px; height: 36px;
  background: color-mix(in srgb, var(--accent) 10%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 22%, transparent);
  color: var(--accent);
  margin-bottom: 0.75rem;
}
.sector-name {
  font-weight: 700;
  font-size: 0.9rem;
  margin-bottom: 0.25rem;
  color: var(--text);
}
.sector-targets {
  font-size: 0.72rem;
  color: var(--accent2);
  margin-bottom: 0.6rem;
  font-weight: 600;
}
.sector-roi {
  font-size: 0.78rem;
  color: var(--text2);
  line-height: 1.5;
}
.sponsor-prospectus {
  background: var(--bg3);
  border: 1px solid var(--border);
  padding: 2.5rem;
  max-width: 720px;
}
.sponsor-title {
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 1.25rem;
  color: var(--accent);
}
.sponsor-benefit {
  display: flex;
  gap: 1rem;
  margin-bottom: 1rem;
  align-items: flex-start;
}
.sponsor-benefit-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px; height: 32px;
  background: color-mix(in srgb, var(--accent2) 10%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent2) 25%, transparent);
  color: var(--accent2);
  font-size: 0.9rem;
  flex-shrink: 0;
}
.sponsor-benefit-text {
  font-size: 0.85rem;
  color: var(--text2);
  line-height: 1.5;
  padding-top: 4px;
}
.sponsor-benefit-text strong { color: var(--text); }
.sponsor-investment {
  margin-top: 1.75rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}
.sponsor-price { font-family: 'Bebas Neue', cursive; }
.sponsor-price .idr { font-size: 1.8rem; color: var(--accent); }
.sponsor-price .usd { font-size: 1rem; color: var(--text2); margin-left: 0.5rem; }
.sponsor-tier-label {
  font-size: 0.7rem;
  color: var(--text2);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ---------- 14. Submission ---------- */
.submission { background: var(--bg3); }
.sub-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}
.sub-info { font-size: 0.9rem; color: var(--text2); line-height: 1.8; }
.sub-info li {
  margin-bottom: 0.5rem;
  padding-left: 0;
  list-style: none;
  display: flex;
  gap: 0.75rem;
}
.sub-info li::before {
  content: '→';
  color: var(--accent);
  flex-shrink: 0;
}
.sub-box {
  background: var(--bg);
  border: 1px solid var(--border);
  padding: 2rem;
}
.sub-box-title { font-weight: 700; margin-bottom: 1rem; color: var(--accent); }
.sub-detail {
  font-size: 0.82rem;
  color: var(--text2);
  margin-bottom: 0.5rem;
}
.sub-detail strong { color: var(--text); }
.sub-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 1.5rem;
  background: var(--accent);
  color: #fff;
  padding: 14px 24px;
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  text-align: center;
  text-decoration: none;
  transition: background 0.2s;
}
.sub-cta:hover { background: var(--accent2); }
.sub-cta-outline {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 0.75rem;
  background: transparent;
  color: var(--text);
  padding: 12px 24px;
  font-weight: 700;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  text-align: center;
  text-decoration: none;
  border: 1px solid color-mix(in srgb, var(--text) 22%, transparent);
  transition: border-color 0.2s;
}
.sub-cta-outline:hover { border-color: var(--text); }

/* ---------- 15. Organizer & footer ---------- */
.organizer { text-align: center; }
.org-badges {
  display: flex;
  justify-content: center;
  gap: 2.5rem;
  flex-wrap: wrap;
  margin-top: 2rem;
  align-items: flex-start;
}
.org-badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}
.org-logo-box {
  width: 240px; height: 110px;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--logo-box-bg);
  padding: 15px;
  overflow: hidden;
  transition: transform 0.25s;
}
.org-logo-box:hover {
  transform: translateY(-3px);
}
.org-logo-box img {
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: 70px;
  object-fit: contain;
}
.org-name {
  font-size: 0.8rem;
  color: var(--text2);
  text-align: center;
  max-width: 240px;
  line-height: 1.5;
}
.org-cross {
  font-family: 'Bebas Neue', cursive;
  font-size: 1.8rem;
  color: var(--text2);
  margin-top: 38px;
}

/* Committee */
.committee-section { background: var(--bg3); }
.committee-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5px;
  background: var(--border);
}
.committee-block {
  background: var(--bg);
  padding: 1.5rem 1.75rem;
  transition: background 0.2s;
}
.committee-block:hover { background: var(--bg3); }
.committee-role {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 0.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--hairline);
}
.committee-list {
  list-style: none;
  font-size: 0.82rem;
  color: var(--text);
  line-height: 1.7;
}
.committee-list li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 2px 0;
}
.committee-list li em {
  font-style: italic;
  color: var(--text2);
  font-size: 0.78rem;
}
.committee-list li span {
  color: var(--text2);
  font-size: 0.72rem;
  font-weight: 600;
  white-space: nowrap;
}

footer {
  background: var(--bg2);
  border-top: 1px solid var(--border);
  padding: 3rem 5%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 1rem;
}
.footer-logo-img {
  width: 56px;
  height: 56px;
  object-fit: cover;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: #fff;
}
.footer-logo {
  font-family: 'Bebas Neue', cursive;
  font-size: 1.8rem;
  letter-spacing: 3px;
  color: var(--accent);
}
.footer-logo span { color: var(--accent2); }
.footer-info {
  font-size: 0.75rem;
  color: var(--text2);
  text-align: right;
  line-height: 1.7;
}
.footer-info a { color: var(--accent); text-decoration: none; }

/* ---------- 15b. Acknowledgment ---------- */
.acknowledgment {
  background: var(--bg2);
  border-top: 1px solid var(--border);
  padding: 2.5rem 5%;
}
.acknowledgment-heading {
  font-size: 0.75rem;
  color: var(--text2);
  text-transform: uppercase;
  letter-spacing: 2px;
  font-weight: 700;
  margin-bottom: 0.75rem;
}
.acknowledgment-text {
  font-size: 0.85rem;
  color: var(--text2);
  line-height: 1.7;
  max-width: 900px;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 400;
  font-style: normal;
}

/* ---------- 16. Animations ---------- */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}

/* ---------- 17. Responsive ---------- */
@media (max-width: 900px) {
  .about-grid,
  .sub-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

/* Nav: hamburger menu kicks in earlier because we have many menu items */
@media (max-width: 1100px) {
  .nav-toggle { display: inline-flex; }
  .nav-links {
    position: fixed;
    top: 64px; left: 0; right: 0;
    flex-direction: column;
    gap: 0;
    background: var(--nav-bg-strong);
    border-bottom: 1px solid var(--border);
    padding: 1rem 5%;
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.3s, opacity 0.3s;
  }
  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .nav-links a {
    padding: 14px 0;
    border-bottom: 1px solid var(--hairline);
    display: block;
    font-size: 0.85rem;
    letter-spacing: 1px;
  }
  .nav-cta { font-size: 0.7rem; padding: 6px 14px; }
}

@media (max-width: 768px) {
  .timeline-item { grid-template-columns: 100px 30px 1fr; }
  .schedule-grid { grid-template-columns: 90px 1fr; }
  .sch-time { padding: 0.75rem 0.5rem; font-size: 0.7rem; }
  .sch-activity { padding: 0.75rem 1rem; font-size: 0.8rem; }
  .hero-meta { gap: 1.25rem; }
  .footer-info { text-align: left; }
}

@media (max-width: 480px) {
  .countdown-bar { flex-direction: column; align-items: flex-start; }
  .countdown-items { gap: 1rem; }
  .cd-num { font-size: 2rem; }
  .nav-logo-text { font-size: 1.2rem; letter-spacing: 2px; }
  .nav-logo-img { width: 34px; height: 34px; }
}