:root {
  --bg: #171332;
  --bg-2: #241a4d;
  --panel: #2a2158;
  --panel-hover: #372a6e;
  --text: #f5f3ff;
  --muted: #b8aee0;
  --accent: #f5a623;
  --accent-2: #7dd8c6;
  --accent-3: #ff8a65;
  --border: #3d3178;
  --max-width: 980px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: linear-gradient(160deg, var(--bg) 0%, var(--bg-2) 55%, #1f1746 100%);
  background-attachment: fixed;
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.65;
}

.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

.site-header {
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: rgba(23, 19, 50, 0.85);
  backdrop-filter: blur(10px);
  z-index: 10;
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  flex-wrap: wrap;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.01em;
}

.logo-mark {
  width: 34px;
  height: 34px;
  flex-shrink: 0;
  transition: transform 0.3s ease;
}

.brand:hover .logo-mark {
  transform: rotate(-8deg) scale(1.08);
}

.tabs {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}

.tab {
  color: var(--muted);
  text-decoration: none;
  padding: 9px 14px;
  border-radius: 999px;
  font-size: 0.92rem;
  transition: background 0.2s ease, color 0.2s ease, transform 0.15s ease;
}

.tab:hover {
  background: var(--panel-hover);
  color: var(--text);
  transform: translateY(-1px);
}

.tab.active {
  background: linear-gradient(120deg, var(--accent) 0%, var(--accent-3) 100%);
  color: #241505;
  font-weight: 600;
}

.content {
  padding: 52px 20px 90px;
  min-height: 60vh;
}

.hero {
  text-align: center;
  padding: 44px 0 60px;
}

.hero h1 {
  font-size: 2.6rem;
  margin-bottom: 14px;
  background: linear-gradient(90deg, var(--accent) 0%, var(--accent-3) 50%, var(--accent-2) 100%);
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: shimmer 6s ease-in-out infinite;
}

@keyframes shimmer {
  0%, 100% { background-position: 0% center; }
  50% { background-position: 100% center; }
}

.hero p {
  color: var(--muted);
  font-size: 1.15rem;
  max-width: 580px;
  margin: 0 auto;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 22px;
  margin-top: 42px;
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 26px;
  text-decoration: none;
  color: var(--text);
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
  position: relative;
  overflow: hidden;
}

.card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-3), var(--accent-2));
  opacity: 0;
  transition: opacity 0.2s ease;
}

.card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
  background: var(--panel-hover);
  box-shadow: 0 12px 28px rgba(0,0,0,0.35);
}

.card:hover::before {
  opacity: 1;
}

.card h3 {
  margin: 0 0 10px;
  color: var(--accent-2);
  font-size: 1.1rem;
}

.card p {
  color: var(--muted);
  margin: 0;
  font-size: 0.95rem;
}

.article h1, .page h1 {
  font-size: 2.1rem;
  margin-bottom: 10px;
}

.meta {
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 32px;
}

.article-body h2 {
  margin-top: 36px;
  color: var(--accent-2);
}

.article-body a {
  color: var(--accent);
}

.tags {
  margin-top: 32px;
}

.tag {
  display: inline-block;
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--muted);
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 0.8rem;
  margin-right: 6px;
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: 26px 0;
  color: var(--muted);
  font-size: 0.85rem;
  text-align: center;
}

/* Simulation widget */
.sim-box {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 30px;
  margin-top: 26px;
}

.sim-box h2 {
  color: var(--accent-2);
  margin-top: 0;
}

.sim-choices {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 22px;
}

.sim-choices button {
  background: var(--bg-2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 13px 16px;
  border-radius: 10px;
  text-align: left;
  cursor: pointer;
  font-size: 0.95rem;
  transition: border-color 0.2s ease, background 0.2s ease, transform 0.15s ease;
}

.sim-choices button:hover {
  border-color: var(--accent);
  background: var(--panel-hover);
  transform: translateX(4px);
}

.sim-restart {
  margin-top: 26px;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
  padding: 9px 16px;
  border-radius: 10px;
  cursor: pointer;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.sim-restart:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* Contact form */
.contact-form {
  max-width: 480px;
  margin-top: 22px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.contact-form label {
  color: var(--muted);
  font-size: 0.88rem;
  margin-top: 14px;
}

.contact-form input[type="text"],
.contact-form input[type="email"],
.contact-form textarea {
  background: var(--bg-2);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 10px;
  padding: 11px 14px;
  font-size: 0.95rem;
  font-family: inherit;
  resize: vertical;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(245, 166, 35, 0.18);
}

.contact-form button {
  margin-top: 18px;
  align-self: flex-start;
  background: linear-gradient(120deg, var(--accent) 0%, var(--accent-3) 100%);
  color: #241505;
  border: none;
  padding: 12px 24px;
  border-radius: 10px;
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.2s ease;
}

.contact-form button:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(245, 166, 35, 0.3);
}

/* Registration gate */
.reg-gate-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(10, 8, 26, 0.88);
  backdrop-filter: blur(6px);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.reg-gate-box {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 36px 32px;
  max-width: 380px;
  width: 100%;
  text-align: center;
  box-shadow: 0 20px 50px rgba(0,0,0,0.4);
}

.reg-gate-box h2 {
  font-size: 1.3rem;
  margin: 0 0 8px;
  color: var(--text);
}

.reg-gate-box p {
  color: var(--muted);
  font-size: 0.9rem;
  margin: 0 0 20px;
}

.reg-gate-box form {
  display: flex;
  flex-direction: column;
  gap: 6px;
  text-align: left;
}

.reg-gate-box label {
  color: var(--muted);
  font-size: 0.85rem;
  margin-top: 10px;
}

.reg-gate-box input {
  background: var(--bg-2);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 10px;
  padding: 11px 14px;
  font-size: 0.95rem;
  font-family: inherit;
}

.reg-gate-box input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(245, 166, 35, 0.18);
}

.reg-gate-box button {
  margin-top: 18px;
  background: linear-gradient(120deg, var(--accent) 0%, var(--accent-3) 100%);
  color: #241505;
  border: none;
  padding: 12px 20px;
  border-radius: 10px;
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.2s ease;
}

.reg-gate-box button:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(245, 166, 35, 0.3);
}

.reg-gate-box button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.reg-gate-status {
  font-size: 0.82rem;
  color: var(--muted);
  margin-top: 10px !important;
  text-align: center;
}

/* Homepage redesign components */
.section { padding: 70px 0; border-top: 1px solid var(--border); }
.section:first-child { border-top: none; }
.section-label {
  text-transform: uppercase; letter-spacing: 0.08em; font-size: 0.78rem;
  color: var(--accent); font-weight: 700; margin-bottom: 10px;
}
.section-title { font-size: 1.8rem; margin: 0 0 14px; }
.section-sub { color: var(--muted); font-size: 1rem; max-width: 620px; margin: 0 0 30px; }
.section.center { text-align: center; }
.section.center .section-sub { margin-left: auto; margin-right: auto; }

.badge {
  display: inline-block; font-size: 0.72rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.05em; background: var(--bg-2); color: var(--muted);
  border: 1px solid var(--border); border-radius: 999px; padding: 3px 10px; margin-bottom: 10px;
}
.badge.soon { color: var(--accent-3); border-color: rgba(255,138,101,0.4); }

/* Hero */
.hero-flex {
  display: grid; grid-template-columns: 1.1fr 1fr; gap: 40px; align-items: center;
  padding: 30px 0 60px; text-align: left;
}
@media (max-width: 760px) { .hero-flex { grid-template-columns: 1fr; text-align: center; } }
.hero-flex h1 {
  font-size: 2.4rem; line-height: 1.15; margin-bottom: 16px;
  background: linear-gradient(90deg, var(--accent) 0%, var(--accent-3) 50%, var(--accent-2) 100%);
  background-size: 200% auto; -webkit-background-clip: text; background-clip: text; color: transparent;
  animation: shimmer 6s ease-in-out infinite;
}
.hero-flex p.lead { color: var(--muted); font-size: 1.08rem; margin-bottom: 10px; }
.hero-flex p.sub { color: var(--muted); font-size: 0.9rem; opacity: 0.85; margin-bottom: 26px; }
.hero-ctas { display: flex; gap: 12px; flex-wrap: wrap; }
@media (max-width: 760px) { .hero-ctas { justify-content: center; } }
.btn-primary, .btn-secondary {
  display: inline-block; text-decoration: none; padding: 13px 24px; border-radius: 10px;
  font-weight: 700; font-size: 0.95rem; transition: transform 0.15s ease, box-shadow 0.2s ease;
}
.btn-primary { background: linear-gradient(120deg, var(--accent) 0%, var(--accent-3) 100%); color: #241505; }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(245,166,35,0.3); }
.btn-secondary { border: 1px solid var(--border); color: var(--text); }
.btn-secondary:hover { border-color: var(--accent); }

/* Simulated decision card (hero visual + try-it demo) */
.decision-card {
  background: var(--panel); border: 1px solid var(--border); border-radius: 16px;
  padding: 26px; box-shadow: 0 20px 50px rgba(0,0,0,0.3);
}
.decision-card .role { color: var(--accent-2); font-weight: 700; font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 10px; }
.decision-card .scenario { font-size: 0.95rem; margin-bottom: 18px; }
.decision-card .budget { color: var(--accent); font-weight: 700; margin-bottom: 18px; font-size: 0.92rem; }
.decision-choices { display: flex; flex-direction: column; gap: 8px; }
.decision-choices button {
  width: 100%; text-align: left; background: var(--bg-2); border: 1px solid var(--border);
  color: var(--text); padding: 11px 14px; border-radius: 9px; cursor: pointer; font-size: 0.88rem;
  transition: border-color 0.2s ease, transform 0.15s ease;
}
.decision-choices button:hover { border-color: var(--accent); transform: translateX(3px); }
.decision-result {
  display: none; margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--border);
  font-size: 0.88rem; color: var(--muted);
}
.decision-result .concept-tag {
  display: inline-block; background: rgba(125,216,198,0.12); color: var(--accent-2);
  border: 1px solid rgba(125,216,198,0.3); border-radius: 999px; padding: 3px 10px;
  font-size: 0.75rem; font-weight: 700; margin-top: 10px;
}
.decision-restart {
  margin-top: 14px; background: none; border: 1px solid var(--border); color: var(--muted);
  padding: 7px 14px; border-radius: 8px; font-size: 0.82rem; cursor: pointer;
}

/* Process flow */
.flow { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-top: 10px; }
.flow-step {
  background: var(--panel); border: 1px solid var(--border); border-radius: 10px;
  padding: 10px 16px; font-size: 0.85rem; font-weight: 600;
}
.flow-arrow { color: var(--muted); font-size: 1.1rem; }
.flow.old .flow-step { color: var(--muted); }
.flow.new .flow-step { color: var(--accent-2); border-color: rgba(125,216,198,0.35); }
.flow-compare { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; margin-top: 10px; }
@media (max-width: 700px) { .flow-compare { grid-template-columns: 1fr; } }
.flow-compare h4 { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--muted); margin-bottom: 12px; }

/* Feature grid (for students / outcomes) */
.feature-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 20px; margin-top: 10px; }
.feature-item h4 { color: var(--accent-2); font-size: 0.98rem; margin-bottom: 6px; }
.feature-item p { color: var(--muted); font-size: 0.88rem; margin: 0; }

/* Faculty workflow */
.workflow-vert { display: flex; flex-direction: column; gap: 4px; align-items: center; margin: 20px 0; }
.workflow-vert .flow-step { width: 100%; max-width: 320px; text-align: center; }
.workflow-example {
  margin-top: 18px; text-align: center; color: var(--muted); font-size: 0.85rem;
  background: var(--bg-2); border: 1px solid var(--border); border-radius: 10px; padding: 12px;
}

/* Subject grid */
.subject-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; margin-top: 10px; }
.subject-card {
  background: var(--panel); border: 1px solid var(--border); border-radius: 12px; padding: 18px 20px;
}
.subject-card h4 { margin: 0 0 6px; color: var(--accent); font-size: 0.95rem; }
.subject-card p { margin: 0; color: var(--muted); font-size: 0.82rem; }

/* Comparison table */
.compare-table { width: 100%; border-collapse: collapse; margin-top: 10px; }
.compare-table th, .compare-table td {
  padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--border); font-size: 0.9rem;
}
.compare-table th { color: var(--muted); font-weight: 600; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.04em; }
.compare-table td:first-child { color: var(--muted); }
.compare-table td:last-child { color: var(--accent-2); font-weight: 600; }

/* Final CTA */
.final-cta {
  text-align: center; background: linear-gradient(135deg, rgba(245,166,35,0.12), rgba(125,216,198,0.08));
  border: 1px solid var(--border); border-radius: 20px; padding: 56px 30px;
}
.final-cta h2 { font-size: 1.8rem; margin-bottom: 10px; }
.final-cta p { color: var(--muted); margin-bottom: 26px; }

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}

/* Mini hero headline */
.mini-hero { text-align: center; padding: 54px 0 10px; border-top: none; }
.mini-hero .tag {
  display: inline-block; color: var(--accent-2); font-size: 0.82rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.07em; margin-bottom: 16px;
}
.mini-hero .tag::before { content: "\25CF"; margin-right: 8px; font-size: 0.7em; color: var(--accent); }
.mini-hero h1 {
  font-size: 2.4rem; line-height: 1.2; margin: 0;
  background: linear-gradient(90deg, var(--accent) 0%, var(--accent-3) 50%, var(--accent-2) 100%);
  background-size: 200% auto; -webkit-background-clip: text; background-clip: text; color: transparent;
  animation: shimmer 6s ease-in-out infinite;
}
@media (max-width: 600px) { .mini-hero h1 { font-size: 1.8rem; } }

/* Gamification pitch step in registration gate */
.reg-gate-box { max-width: 460px; }
.gami-tag {
  text-transform: uppercase; letter-spacing: 0.07em; font-size: 0.72rem;
  color: var(--accent-2); font-weight: 700; margin-bottom: 8px;
}
.gami-sub { font-size: 0.85rem !important; margin-bottom: 22px !important; }

.gami-visuals { display: flex; flex-direction: column; gap: 16px; margin-bottom: 22px; }
.gami-visual {
  background: var(--bg-2); border: 1px solid var(--border); border-radius: 12px;
  padding: 14px; text-align: center; overflow: hidden;
}
.gami-caption { color: var(--muted); font-size: 0.75rem; margin-top: 8px; }

.xp-burst-wrap { position: relative; height: 40px; display: flex; align-items: center; justify-content: center; }
.xp-burst {
  position: absolute; font-weight: 800; font-size: 1rem; color: var(--accent);
  opacity: 0; animation: xpFloat 2.4s ease-in-out infinite;
}
.xp-burst.delay1 { animation-delay: 0.8s; color: var(--accent-2); }
.xp-burst.delay2 { animation-delay: 1.6s; color: var(--accent-3); }
@keyframes xpFloat {
  0% { opacity: 0; transform: translateY(10px) scale(0.8); }
  25% { opacity: 1; transform: translateY(0) scale(1.1); }
  60% { opacity: 1; transform: translateY(-14px) scale(1); }
  100% { opacity: 0; transform: translateY(-26px) scale(0.9); }
}

.progress-demo { padding: 6px 0; }
.progress-track {
  background: var(--panel-hover); border-radius: 999px; height: 12px; overflow: hidden;
  border: 1px solid var(--border);
}
.progress-fill {
  height: 100%; border-radius: 999px; width: 0%;
  background: linear-gradient(90deg, var(--accent) 0%, var(--accent-3) 100%);
  animation: progressLoop 3s ease-in-out infinite;
}
@keyframes progressLoop {
  0% { width: 0%; }
  70% { width: 100%; }
  100% { width: 100%; }
}

.badge-demo { height: 40px; display: flex; align-items: center; justify-content: center; }
.badge-pop { font-size: 1.8rem; display: inline-block; animation: badgePop 2.2s ease-in-out infinite; }
@keyframes badgePop {
  0%, 100% { transform: scale(1) rotate(0deg); }
  15% { transform: scale(1.3) rotate(-8deg); }
  30% { transform: scale(1.05) rotate(6deg); }
  45% { transform: scale(1.15) rotate(0deg); }
}

.gate-continue-btn {
  width: 100%; margin-top: 4px;
  background: linear-gradient(120deg, var(--accent) 0%, var(--accent-3) 100%);
  color: #241505; border: none; padding: 13px 20px; border-radius: 10px;
  font-size: 0.95rem; font-weight: 700; cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.2s ease;
}
.gate-continue-btn:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(245, 166, 35, 0.3); }

@media (prefers-reduced-motion: reduce) {
  .xp-burst, .progress-fill, .badge-pop { animation: none !important; }
}

.live-count {
  margin-top: 6px !important;
  font-size: 0.8rem;
  color: var(--accent-2);
  font-weight: 600;
}

.gate-count {
  font-size: 0.85rem !important;
  color: var(--accent-2);
  font-weight: 600;
  margin: -6px 0 18px !important;
}