*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0}
:root{
  --navy:#0A1628;
  --gold:#FFD700;
  --bg:#f6f7fb;
  --surface:#ffffff;
  --text:#0A1628;
  --muted:#5b6b80;
  --border:#e3e7ee;
  --danger:#d93025;
  --success:#1e8e3e;
  --shadow:0 4px 14px rgba(10,22,40,.08);
}
[data-theme="dark"]{
  --bg:#0b1220;
  --surface:#121b2e;
  --text:#f1f5f9;
  --muted:#9aa6b8;
  --border:#1f2a40;
  --shadow:0 4px 14px rgba(0,0,0,.5);
  --navy:#0A1628;
  --gold:#FFD700;
}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  background:var(--bg);color:var(--text);min-height:100vh;line-height:1.5;
}
a{color:var(--navy);text-decoration:none}
[data-theme="dark"] a:not(.btn):not(.brand):not(.icon-link):not(.mobile-nav a){color:var(--gold)}
button{font-family:inherit}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--navy);color:#fff;border:none;padding:12px 18px;
  border-radius:10px;font-weight:600;cursor:pointer;font-size:15px;
  transition:transform .08s ease, opacity .2s ease;
}
.btn:hover{opacity:.92}
.btn:active{transform:translateY(1px)}
.btn[disabled]{opacity:.6;cursor:not-allowed}
.btn-gold{background:var(--gold);color:var(--navy)}
.btn-outline{background:transparent;color:var(--text);border:1px solid var(--border)}
.btn-danger{background:var(--danger);color:#fff}
.btn-success{background:var(--success);color:#fff}
.card{background:var(--surface);border:1px solid var(--border);border-radius:14px;box-shadow:var(--shadow);padding:18px}
.container{max-width:1100px;margin:0 auto;padding:16px}
input,select,textarea{
  width:100%;padding:11px 13px;border-radius:10px;border:1px solid var(--border);
  background:var(--surface);color:var(--text);font-size:15px;font-family:inherit;
}
input:focus,select:focus,textarea:focus{outline:2px solid var(--gold);outline-offset:1px}
.error-msg{color:var(--danger);font-size:14px;margin-top:8px;min-height:1.2em}
.badge{display:inline-block;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:700}
.badge-active{background:#e6f4ea;color:#1e8e3e}
.badge-revoked{background:#fde7e7;color:#d93025}
[data-theme="dark"] .badge-active{background:#13351f;color:#7fdf9b}
[data-theme="dark"] .badge-revoked{background:#3a1414;color:#ff8a85}
table{width:100%;border-collapse:collapse;font-size:14px}
th,td{text-align:left;padding:10px;border-bottom:1px solid var(--border)}
th{font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted)}
hr{border:none;border-top:1px solid var(--border);margin:16px 0}
.hidden{display:none !important}

/* ============================================================
   RESPONSIVE STYLES — added for full mobile + desktop support
   ============================================================ */

/* ---------- NAV / HEADER ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--navy);
  color: #fff;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding-top: 12px;
  padding-bottom: 12px;
}

/* Logo */
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #fff !important;
  font-weight: 700;
  font-size: 15px;
  white-space: nowrap;
  text-decoration: none;
  flex-shrink: 0;
}
.brand img {
  height: 38px;
  width: 38px;
  object-fit: cover;
  border-radius: 8px;
  flex-shrink: 0;
}

/* Desktop nav — centered */
.main-nav {
  display: flex;
  align-items: center;
  gap: 2px;
  flex: 1;
  justify-content: center;
}
.main-nav a {
  color: rgba(255,255,255,0.75);
  font-size: 13.5px;
  font-weight: 500;
  padding: 7px 11px;
  border-radius: 6px;
  transition: background 0.15s, color 0.15s;
  white-space: nowrap;
}
.main-nav a:hover { background: rgba(255,255,255,0.1); color: #fff; }

/* Right CTA */
.nav-cta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.icon-link {
  color: #fff !important;
  font-size: 17px;
  line-height: 1;
  opacity: 0.8;
}
.icon-link:hover { opacity: 1; }
.btn-sm { padding: 8px 16px; font-size: 13px; border-radius: 8px; }
.btn-outline {
  border: 1px solid rgba(255,255,255,0.3);
  color: #fff !important;
  background: transparent;
}
.btn-outline:hover { background: rgba(255,255,255,0.1); border-color: rgba(255,255,255,0.6); }

/* ---- Hamburger (hidden on desktop) ---- */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 8px;
  cursor: pointer;
  padding: 9px;
  flex-shrink: 0;
}
.hamburger span {
  display: block;
  width: 18px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.2s ease;
}

/* ---- Mobile drawer ---- */
.mobile-nav {
  display: none;
  flex-direction: column;
  background: #0d1e36;
  border-top: 1px solid rgba(255,255,255,0.07);
}
.mobile-nav a {
  color: rgba(255,255,255,0.8);
  font-size: 15px;
  font-weight: 500;
  padding: 14px 20px;
  display: block;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  transition: background 0.15s, color 0.15s;
}
.mobile-nav a:first-child {
  color: var(--gold);
  font-weight: 600;
}
.mobile-nav a:hover { background: rgba(255,255,255,0.06); color: #fff; }

/* Nav open state */
body.nav-open .mobile-nav { display: flex; }
body.nav-open .hamburger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
body.nav-open .hamburger span:nth-child(2) { opacity: 0; transform: scaleX(0); }
body.nav-open .hamburger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- GENERAL LAYOUT ---------- */
.container { max-width: 1100px; margin: 0 auto; padding: 16px 20px; }
section { padding: 56px 0; }
.section-alt { background: var(--surface); }
[data-theme="dark"] .section-alt { background: #0f1829; }
.section-head { margin-bottom: 36px; }
.section-head.center { text-align: center; }
.section-head h2 { font-size: clamp(1.5rem, 3vw, 2rem); margin: 6px 0 12px; }
.section-head p { color: var(--muted); max-width: 640px; margin: 0 auto; }
.eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 4px;
}
.text-center { text-align: center; }

/* ---------- HERO ---------- */
.hero { background: var(--navy); color: #fff; padding: 64px 0; }
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.hero h1 {
  font-size: clamp(1.6rem, 3.5vw, 2.6rem);
  line-height: 1.25;
  margin: 12px 0 16px;
  color: #fff;
}
.lede { font-size: 17px; color: var(--muted); margin-bottom: 28px; }
.hero .lede { color: rgba(255,255,255,0.75); }
.ledger-badge {
  display: inline-block;
  background: rgba(255,215,0,0.15);
  color: var(--gold);
  border: 1px solid rgba(255,215,0,0.3);
  border-radius: 999px;
  padding: 4px 14px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 12px;
}
.hero-cta-row { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 32px; }
.btn-primary { background: var(--gold); color: var(--navy); font-weight: 700; }
.btn-primary:hover { opacity: 0.92; }
[data-theme="dark"] .btn-primary { color: #0A1628 !important; }
[data-theme="dark"] .btn-gold { color: #0A1628 !important; }
.hero-stats { display: flex; gap: 24px; flex-wrap: wrap; }
.hero-stat strong { display: block; font-size: 1.4rem; color: #fff; }
.hero-stat span { font-size: 13px; color: rgba(255,255,255,0.6); }
.hero-visual img {
  width: 100%;
  border-radius: 16px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.35);
  object-fit: cover;
}

/* ---------- PROBLEM GRID ---------- */
.problem-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}
.problem-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  font-size: 15px;
  line-height: 1.5;
}
[data-theme="dark"] .problem-card { background: #121b2e; border-color: #1f2a40; }

/* Dark mode toggle button — always visible */
#usf-theme-toggle {
  position: fixed !important;
  right: 16px !important;
  bottom: 16px !important;
  z-index: 9999 !important;
  width: 48px !important;
  height: 48px !important;
  border-radius: 50% !important;
  border: none !important;
  cursor: pointer !important;
  background: var(--navy) !important;
  color: var(--gold) !important;
  font-size: 22px !important;
  box-shadow: 0 4px 20px rgba(0,0,0,0.35) !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
}
[data-theme="dark"] #usf-theme-toggle {
  background: #1e2d47 !important;
  box-shadow: 0 4px 20px rgba(0,0,0,0.6) !important;
}
[data-theme="dark"] .feature-card { background: #121b2e; border-color: #1f2a40; }
[data-theme="dark"] .acc-trigger { color: var(--text); }
[data-theme="dark"] .x-banner { background: #121b2e; border-color: #1f2a40; }
[data-theme="dark"] .x-banner h3 { color: #f1f5f9; }
[data-theme="dark"] .guarantee-box h2 { color: var(--text); }
[data-theme="dark"] .guarantee-box p { color: var(--muted); }
[data-theme="dark"] body { background: var(--bg); color: var(--text); }
[data-theme="dark"] .mobile-nav { background: #080f1c; }
[data-theme="dark"] .check-item p { color: var(--text); }

/* ---------- CHECKLIST ---------- */
.check-list { display: flex; flex-direction: column; gap: 14px; max-width: 640px; margin: 0 auto; }
.check-item { display: flex; align-items: flex-start; gap: 12px; }
.mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  background: #e6f4ea;
  color: #1e8e3e;
  border-radius: 50%;
  font-weight: 700;
  font-size: 13px;
  flex-shrink: 0;
  margin-top: 1px;
}
.check-item p { margin: 0; font-size: 16px; }

/* ---------- CURRICULUM CARDS ---------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}
.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 22px;
  box-shadow: var(--shadow);
}
.feature-card .num {
  display: block;
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--gold);
  line-height: 1;
  margin-bottom: 10px;
}
.feature-card h3 { margin: 0 0 6px; font-size: 16px; }
.feature-card p { margin: 0; color: var(--muted); font-size: 14px; }

/* ---------- LMS BLOCK ---------- */
.lms-block {
  background: var(--navy);
  color: #fff;
  border-radius: 20px;
  padding: 40px;
  max-width: 800px;
  margin: 0 auto;
}
.lms-block h2 { color: #fff; font-size: clamp(1.3rem, 2.5vw, 1.8rem); margin: 10px 0 16px; }
.lms-block p { color: rgba(255,255,255,0.8); margin-bottom: 14px; }
.lms-list { padding-left: 20px; color: rgba(255,255,255,0.85); }
.lms-list li { margin-bottom: 8px; font-size: 15px; }
.passbook { background: var(--navy); color: #fff; border-radius: 20px; }

/* ---------- PROOF GRID ---------- */
.proof-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.proof-grid img {
  width: 100%;
  border-radius: 10px;
  object-fit: cover;
  aspect-ratio: 4/5;
  box-shadow: var(--shadow);
}

/* ---------- BIO BLOCK ---------- */
.bio-block { display: flex; gap: 32px; align-items: flex-start; }
.bio-photo img {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  border: 3px solid var(--gold);
}
.bio-block h2 { color: #fff; margin: 6px 0 12px; }
.bio-block p { color: rgba(255,255,255,0.8); }

/* ---------- GUARANTEE ---------- */
.guarantee-box {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
  padding: 40px 24px;
}
.guarantee-box h2 { font-size: clamp(1.4rem, 2.5vw, 1.9rem); margin: 8px 0 14px; }
.guarantee-box p { color: var(--muted); margin-bottom: 24px; }

/* ---------- FAQ ACCORDION ---------- */
.accordion { max-width: 720px; margin: 0 auto; }
.acc-item { border-bottom: 1px solid var(--border); }
.acc-trigger {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: none;
  border: none;
  padding: 18px 0;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  text-align: left;
  gap: 12px;
}
.plus { font-size: 20px; color: var(--gold); flex-shrink: 0; transition: transform 0.2s; }
.acc-item.open .plus { transform: rotate(45deg); }
.acc-panel { max-height: 0; overflow: hidden; transition: max-height 0.3s ease; }
.acc-panel p { padding: 0 0 18px; color: var(--muted); margin: 0; }

/* ---------- X BANNER ---------- */
.x-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px 28px;
}
.x-banner h3 { margin: 0; font-size: 17px; }
.btn-ghost { background: #000; color: #fff; }

/* ---------- CTA BANNER ---------- */
.cta-banner {
  text-align: center;
  padding: 48px 24px;
  background: var(--navy);
  border-radius: 20px;
  color: #fff;
}
.cta-banner h2 { color: #fff; font-size: clamp(1.4rem, 2.5vw, 2rem); margin-bottom: 12px; }
.cta-banner p { color: rgba(255,255,255,0.75); margin-bottom: 24px; }

/* ---------- FOOTER ---------- */
.site-footer {
  background: var(--navy);
  color: rgba(255,255,255,0.75);
  padding: 48px 0 24px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 32px;
}
.footer-coach img {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--gold);
  margin-bottom: 12px;
}
.footer-coach p { font-size: 13px; line-height: 1.6; }
.footer-col h4 { color: #fff; margin: 0 0 12px; font-size: 14px; text-transform: uppercase; letter-spacing: 0.05em; }
.footer-col a { display: block; color: rgba(255,255,255,0.7); font-size: 14px; margin-bottom: 8px; }
.footer-col a:hover { color: var(--gold); }
.footer-social { display: flex; gap: 12px; margin-top: 8px; }
.footer-social a { font-size: 20px; color: #fff !important; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 20px;
  font-size: 13px;
  text-align: center;
  color: rgba(255,255,255,0.45);
}

/* ---- Tablet: hide nav links, show hamburger from 900px down ---- */
@media (max-width: 900px) {
  .main-nav { display: none; }
  .nav-cta { display: none; }
  .hamburger { display: flex; }
}

/* ============================================================
   MOBILE BREAKPOINTS
   ============================================================ */
@media (max-width: 768px) {
  /* Nav — hide desktop links, show hamburger */
  .main-nav { display: none; }
  .nav-cta { display: none; }
  .hamburger { display: flex; }

  /* Hero */
  .hero { padding: 40px 0; }
  .hero-grid { grid-template-columns: 1fr; gap: 32px; }
  .hero-visual { order: -1; }
  .hero-visual img { max-height: 260px; object-fit: cover; }
  .hero-cta-row { flex-direction: column; }
  .hero-cta-row .btn { width: 100%; text-align: center; }
  .hero-stats { gap: 16px; }

  /* Sections */
  section { padding: 40px 0; }

  /* Cards */
  .card-grid { grid-template-columns: 1fr; }
  .proof-grid { grid-template-columns: repeat(2, 1fr); }

  /* Bio */
  .bio-block { flex-direction: column; align-items: center; text-align: center; }
  .bio-photo img { width: 90px; height: 90px; }

  /* LMS */
  .lms-block { padding: 28px 20px; }

  /* X banner */
  .x-banner { flex-direction: column; text-align: center; }
  .x-banner .btn { width: 100%; }

  /* CTA banner */
  .cta-banner { padding: 36px 20px; }
  .cta-banner .btn { width: 100%; max-width: 340px; }

  /* Footer */
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }

  /* Guarantee */
  .guarantee-box .btn { width: 100%; }
}

@media (max-width: 480px) {
  .brand { font-size: 13px; }
  .brand img { height: 32px; width: 32px; }
  .proof-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 1.5rem; }
  .lms-block { border-radius: 14px; }
  .cta-banner { border-radius: 14px; }
}