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

:root {
  --obsidian:   #0A0C10;
  --card:       #111520;
  --border:     #1E2535;
  --ember:      #FF4D1A;
  --amber:      #FFB347;
  --steel:      #C8D8E8;
  --muted:      #6B7A90;
  --white:      #F0F4FF;
  --glow-ember: rgba(255,77,26,0.35);
  --glow-amber: rgba(255,179,71,0.25);
}

html { scroll-behavior: smooth; }

body {
  background: var(--obsidian);
  color: var(--steel);
  font-family: 'Inter', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
}

/* ─── CANVAS BACKGROUND ─── */
#bg-canvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

/* ─── NAVBAR ─── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 60px;
  background: rgba(10,12,16,0.7);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.nav-brand {
  font-family: 'Orbitron', monospace;
  font-weight: 900;
  font-size: 1.1rem;
  color: var(--white);
  letter-spacing: 0.12em;
}

.nav-brand span { color: var(--ember); }

.nav-links {
  display: flex;
  gap: 36px;
  list-style: none;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: color 0.2s;
}

.nav-links a:hover { color: var(--ember); }

.nav-cta {
  background: var(--ember);
  color: #fff;
  border: none;
  padding: 10px 24px;
  font-family: 'Orbitron', monospace;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  clip-path: polygon(8px 0%, 100% 0%, calc(100% - 8px) 100%, 0% 100%);
  transition: background 0.2s, box-shadow 0.2s;
}

.nav-cta:hover {
  background: #ff6b3d;
  box-shadow: 0 0 24px var(--glow-ember);
}

/* ─── HERO ─── */
#hero {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 40px 80px;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: 'Orbitron', monospace;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--ember);
  border: 1px solid rgba(255,77,26,0.3);
  padding: 8px 20px;
  margin-bottom: 40px;
}

.hero-eyebrow::before,
.hero-eyebrow::after {
  content: '';
  display: block;
  width: 20px;
  height: 1px;
  background: var(--ember);
  opacity: 0.6;
}

/* BADGE RING — the signature element */
.badge-ring {
  position: relative;
  width: 160px;
  height: 160px;
  margin: 0 auto 48px;
}

.badge-ring svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  animation: ring-spin 8s linear infinite;
}

@keyframes ring-spin {
  to { transform: rotate(360deg); }
}

.badge-inner {
  position: absolute;
  inset: 18px;
  border-radius: 50%;
  background: radial-gradient(circle at 40% 35%, #1e2535, #0a0c10);
  border: 1px solid rgba(255,77,26,0.2);
  display: flex;
  align-items: center;     /* Memusatkan logo secara vertikal */
  justify-content: center; /* Memusatkan logo secara horizontal */
}

.badge-logo {
  width: 140%;             /* Membuat logo membesar sesuai ruang lingkaran */
  height: 140%;            /* Menyeimbangkan tinggi logo */
  object-fit: contain;    /* Menjaga rasio foto agar tidak distorsi/gepeng */
  filter: drop-shadow(0 0 12px var(--ember));
  animation: logo-pulse 2s ease-in-out infinite alternate;
}

@keyframes logo-pulse {
  from { filter: drop-shadow(0 0 8px var(--ember)); }
  to   { filter: drop-shadow(0 0 22px #ff6b3d) drop-shadow(0 0 40px rgba(255,77,26,0.4)); }
}

.badge-label {
  font-family: 'Orbitron', monospace;
  font-size: 0.45rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--amber);
  text-transform: uppercase;
}

/* HERO HEADLINE */
h1 {
  font-family: 'Orbitron', monospace;
  font-weight: 900;
  font-size: clamp(2.6rem, 6vw, 5rem);
  line-height: 1.05;
  color: var(--white);
  letter-spacing: -0.01em;
  max-width: 900px;
  margin-bottom: 12px;
}

h1 .accent { color: var(--ember); }

.hero-sub {
  font-family: 'Orbitron', monospace;
  font-size: clamp(0.9rem, 1.8vw, 1.2rem);
  font-weight: 400;
  color: var(--amber);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 28px;
}

.hero-desc {
  max-width: 640px;
  color: var(--muted);
  font-size: 0.97rem;
  line-height: 1.8;
  margin-bottom: 52px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-primary {
  background: var(--ember);
  color: #fff;
  border: none;
  padding: 16px 40px;
  font-family: 'Orbitron', monospace;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  cursor: pointer;
  clip-path: polygon(10px 0%, 100% 0%, calc(100% - 10px) 100%, 0% 100%);
  transition: box-shadow 0.25s, background 0.2s;
}

.btn-primary:hover {
  background: #ff6535;
  box-shadow: 0 0 32px var(--glow-ember), 0 0 60px rgba(255,77,26,0.15);
}

.btn-ghost {
  background: transparent;
  color: var(--steel);
  border: 1px solid var(--border);
  padding: 16px 40px;
  font-family: 'Orbitron', monospace;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  cursor: pointer;
  clip-path: polygon(10px 0%, 100% 0%, calc(100% - 10px) 100%, 0% 100%);
  transition: border-color 0.2s, color 0.2s;
}

.btn-ghost:hover { border-color: var(--ember); color: var(--ember); }

/* STAT STRIP */
.stat-strip {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: rgba(17,21,32,0.6);
  backdrop-filter: blur(12px);
}

.stat-item {
  padding: 36px 40px;
  border-right: 1px solid var(--border);
  text-align: center;
}

.stat-item:last-child { border-right: none; }

.stat-val {
  font-family: 'Orbitron', monospace;
  font-size: 2.4rem;
  font-weight: 900;
  color: var(--white);
  line-height: 1;
  margin-bottom: 6px;
}

.stat-val span { color: var(--ember); }

.stat-lbl {
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

/* ─── SECTIONS COMMON ─── */
section {
  position: relative;
  z-index: 1;
  padding: 100px 60px;
  max-width: 1200px;
  margin: 0 auto;
}

.section-eyebrow {
  font-family: 'Orbitron', monospace;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--ember);
  margin-bottom: 16px;
}

h2 {
  font-family: 'Orbitron', monospace;
  font-weight: 700;
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  color: var(--white);
  line-height: 1.2;
  margin-bottom: 20px;
  letter-spacing: -0.01em;
}

.section-lead {
  color: var(--muted);
  font-size: 1rem;
  max-width: 580px;
  line-height: 1.8;
  margin-bottom: 60px;
}

/* ─── MISSION ─── */
#mission .mission-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  background: var(--border);
  border: 1px solid var(--border);
}

.mission-block {
  background: var(--card);
  padding: 48px 40px;
}

.mission-block-icon {
  font-size: 2rem;
  margin-bottom: 20px;
  filter: drop-shadow(0 0 10px var(--glow-amber));
}

.mission-block h3 {
  font-family: 'Orbitron', monospace;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.06em;
  margin-bottom: 12px;
}

.mission-block p {
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.8;
}

/* ─── CHALLENGES ─── */
#challenges .challenges-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.challenge-card {
  background: var(--card);
  border: 1px solid var(--border);
  padding: 40px 32px;
  position: relative;
  overflow: hidden;
  transition: border-color 0.3s, transform 0.3s;
}

.challenge-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--ember), var(--amber));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.challenge-card:hover::before { transform: scaleX(1); }
.challenge-card:hover {
  border-color: rgba(255,77,26,0.4);
  transform: translateY(-4px);
}

.challenge-num {
  font-family: 'Orbitron', monospace;
  font-size: 0.6rem;
  font-weight: 700;
  color: var(--ember);
  letter-spacing: 0.2em;
  margin-bottom: 20px;
  opacity: 0.7;
}

.challenge-icon {
  font-size: 2.4rem;
  margin-bottom: 20px;
}

.challenge-card h3 {
  font-family: 'Orbitron', monospace;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.06em;
  margin-bottom: 12px;
}

.challenge-card p {
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1.75;
}

/* ─── IMPACT ─── */
#impact {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: rgba(17,21,32,0.5);
  max-width: 100%;
  padding: 100px 60px;
}

#impact .inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.impact-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.impact-list li {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.impact-marker {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  background: rgba(255,77,26,0.1);
  border: 1px solid rgba(255,77,26,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  margin-top: 2px;
}

.impact-list li p {
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.75;
}

.impact-list li p strong {
  display: block;
  color: var(--steel);
  font-weight: 600;
  margin-bottom: 4px;
  font-size: 0.88rem;
}

.impact-panel {
  background: var(--card);
  border: 1px solid var(--border);
  padding: 48px 40px;
  position: relative;
  overflow: hidden;
}

.impact-panel::after {
  content: '';
  position: absolute;
  bottom: -60px; right: -60px;
  width: 200px; height: 200px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,77,26,0.08), transparent 70%);
  pointer-events: none;
}

.impact-quote {
  font-family: 'Orbitron', monospace;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--white);
  line-height: 1.6;
  margin-bottom: 24px;
  letter-spacing: 0.02em;
}

.impact-quote .hl { color: var(--amber); }

.impact-attribution {
  font-size: 0.75rem;
  color: var(--muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border-top: 1px solid var(--border);
  padding-top: 20px;
}

/* ─── FOOTER ─── */
footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--border);
  padding: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-brand {
  font-family: 'Orbitron', monospace;
  font-weight: 900;
  font-size: 1rem;
  color: var(--white);
  letter-spacing: 0.1em;
}

.footer-brand span { color: var(--ember); }

.footer-meta {
  font-size: 0.75rem;
  color: var(--muted);
  letter-spacing: 0.06em;
  text-align: right;
}

/* SCROLL REVEAL */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

/* DIVIDER */
.divider {
  position: relative;
  z-index: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
  max-width: 1200px;
  margin: 0 auto;
}

@media (max-width: 900px) {
  nav { padding: 16px 24px; }
  .nav-links { display: none; }
  section { padding: 70px 24px; }
  .stat-strip { grid-template-columns: 1fr 1fr; }
  .stat-item { border-right: none; border-bottom: 1px solid var(--border); }
  #mission .mission-grid { grid-template-columns: 1fr; }
  #challenges .challenges-grid { grid-template-columns: 1fr; }
  #impact .inner { grid-template-columns: 1fr; gap: 40px; }
  footer { flex-direction: column; align-items: flex-start; padding: 40px 24px; }
  .footer-meta { text-align: left; }
}