/* styles.css */
:root{
  --bg:#0b0f19;
  --card:#0f1629;
  --text:#e8eefc;
  --muted:#b7c2de;
  --line:rgba(255,255,255,.12);
  --accent:#7c5cff;
  --accent2:#33d6c2;

  --radius:18px;
  --shadow: 0 10px 30px rgba(0,0,0,.35);
  --max:1100px;
}

*{ box-sizing:border-box; }
html,body{ height:100%; }
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;
  background: radial-gradient(1000px 600px at 20% 10%, rgba(124,92,255,.22), transparent 60%),
              radial-gradient(900px 600px at 80% 20%, rgba(51,214,194,.18), transparent 55%),
              var(--bg);
  color:var(--text);
  line-height:1.5;
}

a{ color:inherit; text-decoration:none; }
.container{ width:min(var(--max), calc(100% - 2rem)); margin-inline:auto; }

.skip-link{
  position:absolute; left:-999px; top:auto; width:1px; height:1px; overflow:hidden;
}
.skip-link:focus{
  left:1rem; top:1rem; width:auto; height:auto;
  padding:.75rem 1rem; border-radius:12px; background:var(--card); border:1px solid var(--line);
  z-index:9999;
}

header{
  position:sticky; top:0; z-index:50;
  backdrop-filter: blur(12px);
  background: rgba(11,15,25,.6);
  border-bottom:1px solid var(--line);
}
.navbar{
  display:flex; align-items:center; justify-content:space-between;
  padding: .9rem 0;
  gap:1rem;
}
.brand{
  display:flex; align-items:center; gap:.75rem;
  font-weight:700; letter-spacing:.2px;
}
.logo{
  width:34px; height:34px; border-radius:12px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  box-shadow: 0 8px 20px rgba(124,92,255,.25);
}
.nav{
  display:flex; align-items:center; gap:.4rem;
}
.nav a{
  padding:.55rem .8rem;
  border-radius:999px;
  color:var(--muted);
}
.nav a:hover{
  background: rgba(255,255,255,.06);
  color:var(--text);
}
.nav a.active{
  background: rgba(124,92,255,.18);
  color:var(--text);
  border:1px solid rgba(124,92,255,.35);
}

.menu-btn{
  display:none;
  border:1px solid var(--line);
  background: rgba(255,255,255,.04);
  color:var(--text);
  border-radius:12px;
  padding:.6rem .75rem;
}

.hero{
  padding: 3.2rem 0 2rem;
}
.hero-grid{
  display:grid;
  grid-template-columns: 1.3fr .9fr;
  gap:1.25rem;
  align-items:stretch;
}
.hero h1{
  font-size: clamp(2rem, 4vw, 3rem);
  line-height:1.1;
  margin:0 0 .75rem;
}
.hero p{ margin:0 0 1.2rem; color:var(--muted); max-width: 60ch; }

.badges{
  display:flex; gap:.5rem; flex-wrap:wrap;
  margin-bottom:1.2rem;
}
.badge{
  border:1px solid var(--line);
  background: rgba(255,255,255,.04);
  padding:.4rem .7rem;
  border-radius:999px;
  color:var(--muted);
  font-size:.9rem;
}

.cta-row{ display:flex; gap:.75rem; flex-wrap:wrap; }
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  gap:.5rem;
  padding:.75rem 1rem;
  border-radius: 999px;
  border:1px solid var(--line);
  background: rgba(255,255,255,.05);
  color:var(--text);
  box-shadow: var(--shadow);
}
.btn.primary{
  border:1px solid rgba(124,92,255,.55);
  background: linear-gradient(135deg, rgba(124,92,255,.95), rgba(51,214,194,.75));
}
.btn:hover{ transform: translateY(-1px); }
.btn:active{ transform: translateY(0); }

.card{
  border:1px solid var(--line);
  background: rgba(15,22,41,.7);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.card.pad{ padding:1.2rem; }

.kpi{
  display:grid;
  grid-template-columns: repeat(2, 1fr);
  gap:.75rem;
}
.kpi .item{
  padding: .9rem;
  border-radius: 16px;
  border:1px solid var(--line);
  background: rgba(255,255,255,.03);
}
.kpi .num{ font-size:1.3rem; font-weight:700; }
.kpi .lbl{ color:var(--muted); font-size:.9rem; }

section{ padding: 1.5rem 0; }
.section-title{
  display:flex; justify-content:space-between; align-items:flex-end;
  gap:1rem; margin-bottom:.9rem;
}
.section-title h2{ margin:0; font-size:1.35rem; }
.section-title p{ margin:0; color:var(--muted); }

.grid-3{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:1rem;
}
.feature h3{ margin:.2rem 0 .4rem; font-size:1.05rem; }
.feature p{ margin:0; color:var(--muted); }

.page-head{
  padding: 2rem 0 1rem;
}
.page-head h1{ margin:0 0 .5rem; }
.page-head p{ margin:0; color:var(--muted); max-width:70ch; }

.trainer-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:1rem;
}
.trainer{
  display:flex; flex-direction:column; gap:.75rem;
}
.avatar{
  width:100%; aspect-ratio: 16/10;
  border-radius: 16px;
  border:1px solid var(--line);
  background:
    radial-gradient(700px 250px at 20% 20%, rgba(124,92,255,.30), transparent 60%),
    radial-gradient(600px 250px at 80% 40%, rgba(51,214,194,.20), transparent 55%),
    rgba(255,255,255,.04);
}
.trainer .meta{ padding: 0 1.1rem 1.1rem; }
.trainer h3{ margin:.2rem 0 .3rem; }
.trainer .role{ color:var(--muted); font-size:.95rem; margin:0 0 .6rem; }
.trainer .bio{ color:var(--muted); margin:0; }

form{
  display:grid;
  gap:.85rem;
}
.field{
  display:grid;
  gap:.35rem;
}
label{ color:var(--muted); font-size:.95rem; }
input, textarea{
  width:100%;
  padding:.75rem .85rem;
  border-radius: 14px;
  border:1px solid var(--line);
  background: rgba(255,255,255,.04);
  color:var(--text);
  outline:none;
}
input:focus, textarea:focus{
  border-color: rgba(124,92,255,.6);
  box-shadow: 0 0 0 4px rgba(124,92,255,.18);
}
textarea{ min-height:140px; resize: vertical; }

.notice{
  border:1px solid var(--line);
  background: rgba(255,255,255,.03);
  border-radius: 14px;
  padding:.9rem;
  color:var(--muted);
  font-size:.95rem;
}
.footer-modern {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 1.5rem;
  align-items: center;
}

.social-links {
  display: flex;
  gap: 0.8rem;
}

.social-links a {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: #1c1c1c;
  color: #e5e5e5;
  font-size: 1rem;
  transition: all 0.3s ease;
  border: 1px solid rgba(255,255,255,0.08);
}

.social-links a:hover {
  background: #c9a227; /* muted gold accent */
  color: #111;
  transform: translateY(-3px);
  border-color: #c9a227;
}
footer{
  margin-top: 2rem;
  background: #0f0f0f;
  border-top:1px solid var(--line);
  padding: 1.2rem 0 2rem;
  color:var(--muted);
}
.footer-row{
  display:flex; justify-content:space-between; gap:1rem; flex-wrap:wrap;
}
.small{ font-size:.92rem; }

@media (max-width: 900px){
  .hero-grid{ grid-template-columns: 1fr; }
  .grid-3{ grid-template-columns: 1fr; }
  .trainer-grid{ grid-template-columns: 1fr; }
}

@media (max-width: 720px){
  .menu-btn{ display:inline-flex; }
  .nav{
    display:none;
    position:absolute;
    left:1rem; right:1rem; top:64px;
    flex-direction:column;
    gap:.25rem;
    padding:.6rem;
    border-radius: 18px;
    background: rgba(15,22,41,.95);
    border:1px solid var(--line);
  }
  .nav.open{ display:flex; }
  .nav a{ width:100%; justify-content:flex-start; }
}