*{box-sizing:border-box;margin:0;padding:0}
:root{
  --primary:#c8102e;
  --primary-dark:#9a0c23;
  --accent:#ffc72c;
  --dark:#0f1724;
  --muted:#5b6478;
  --bg:#fafbfc;
  --card:#fff;
  --border:#e6e8ee;
  --whatsapp:#25d366;
  --radius:14px;
  --shadow:0 8px 24px rgba(15,23,36,.08);
}
html{scroll-behavior:smooth}
body{font-family:'Segoe UI',system-ui,-apple-system,sans-serif;color:var(--dark);background:var(--bg);line-height:1.6}
.container{max-width:1180px;margin:0 auto;padding:0 20px}
a{color:inherit;text-decoration:none}

/* Navbar */
.navbar{position:sticky;top:0;background:rgba(255,255,255,.95);backdrop-filter:blur(10px);border-bottom:1px solid var(--border);z-index:50}
.nav-inner{display:flex;align-items:center;justify-content:space-between;padding:16px 20px}
.logo{font-size:1.4rem;font-weight:800;color:var(--primary)}
.logo span{color:var(--dark)}
.navbar nav{display:flex;gap:28px}
.navbar nav a{font-weight:500;transition:color .2s}
.navbar nav a:hover{color:var(--primary)}
.menu-toggle{display:none;background:none;border:none;font-size:1.5rem;cursor:pointer}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 22px;border-radius:10px;border:none;font-weight:600;cursor:pointer;transition:transform .15s,box-shadow .2s,background .2s;font-size:.95rem}
.btn:hover{transform:translateY(-2px);box-shadow:0 6px 18px rgba(200,16,46,.25)}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark)}
.btn-lg{padding:16px 32px;font-size:1.05rem}
.btn-block{width:100%}
.btn-whatsapp{background:var(--whatsapp);color:#fff;width:100%;margin-top:12px}
.btn-whatsapp:hover{background:#1ebe57;box-shadow:0 6px 18px rgba(37,211,102,.3)}

/* Hero */
.hero{position:relative;padding:90px 0 110px;overflow:hidden;color:#fff}
.hero-bg{position:absolute;inset:0;background:linear-gradient(135deg,rgba(15,23,36,.85),rgba(200,16,46,.7)),url('hero.jpg') center/cover;z-index:-1}
.hero-inner{max-width:780px;animation:fadeUp .8s ease}
.hero h1{font-size:clamp(2rem,5vw,3.4rem);font-weight:800;line-height:1.15;margin-bottom:18px}
.hero h1 span{color:var(--accent)}
.hero p{font-size:1.15rem;margin-bottom:28px;opacity:.95}

/* Search */
.search-section{margin-top:-50px;position:relative;z-index:5}
.search-bar{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:22px;display:grid;grid-template-columns:1fr 1fr 1fr auto;gap:16px;align-items:end}
.field label{display:block;font-size:.82rem;font-weight:600;color:var(--muted);margin-bottom:6px;text-transform:uppercase;letter-spacing:.5px}
.field select,.field input{width:100%;padding:11px 12px;border:1px solid var(--border);border-radius:8px;font-size:.95rem;background:#fff;outline:none;transition:border-color .2s}
.field select:focus,.field input:focus{border-color:var(--primary)}

/* Sections */
section{padding:70px 0}
.section-title{font-size:clamp(1.7rem,3.5vw,2.3rem);font-weight:800;text-align:center;margin-bottom:10px}
.section-title.left{text-align:left}
.section-sub{text-align:center;color:var(--muted);margin-bottom:40px}

/* Tutors */
.tutors-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:24px}
.tutor-card{background:var(--card);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s;animation:fadeUp .5s ease both}
.tutor-card:hover{transform:translateY(-6px);box-shadow:0 14px 32px rgba(15,23,36,.14)}
.tutor-img{width:100%;height:220px;object-fit:cover}
.tutor-body{padding:18px}
.tutor-body h3{font-size:1.15rem;margin-bottom:4px}
.tutor-subject{color:var(--primary);font-weight:600;font-size:.92rem;margin-bottom:10px}
.tutor-meta{display:flex;flex-direction:column;gap:4px;font-size:.88rem;color:var(--muted);margin-bottom:10px}
.tutor-price{font-size:1.1rem;font-weight:700;color:var(--dark)}
.tutor-price small{font-weight:400;color:var(--muted);font-size:.8rem}
.empty-msg{text-align:center;color:var(--muted);margin-top:30px}

/* Steps */
.steps-section{background:#fff}
.steps-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:24px}
.step-card{background:var(--bg);padding:32px 24px;border-radius:var(--radius);text-align:center;transition:transform .3s}
.step-card:hover{transform:translateY(-5px)}
.step-num{width:54px;height:54px;line-height:54px;border-radius:50%;background:var(--primary);color:#fff;font-weight:700;font-size:1.3rem;margin:0 auto 16px}
.step-card h3{margin-bottom:8px}
.step-card p{color:var(--muted)}

/* Register */
.register-section{background:linear-gradient(135deg,#fff8f9,#fff)}
.register-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:start}
.register-grid p{color:var(--muted);margin:12px 0 20px}
.benefits{list-style:none}
.benefits li{padding:8px 0;font-weight:500}
.register-form{background:#fff;padding:28px;border-radius:var(--radius);box-shadow:var(--shadow)}
.form-row{margin-bottom:14px}
.form-row label{display:block;font-weight:600;font-size:.88rem;margin-bottom:6px}
.form-row input{width:100%;padding:11px 12px;border:1px solid var(--border);border-radius:8px;font-size:.95rem;outline:none;transition:border-color .2s}
.form-row input:focus{border-color:var(--primary)}
.form-row input.invalid{border-color:var(--primary)}
.form-row.two{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.error{color:var(--primary);font-size:.8rem;display:block;margin-top:4px;min-height:1em}
.success-msg{color:#1a9b4a;text-align:center;margin-top:14px;font-weight:600}

/* Footer */
.footer{background:var(--dark);color:#cbd2dc;padding:28px 0;text-align:center}

/* Animations */
@keyframes fadeUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}
.reveal.visible{opacity:1;transform:translateY(0)}

/* Responsive */
@media(max-width:880px){
  .search-bar{grid-template-columns:1fr 1fr;gap:12px}
  .search-bar button{grid-column:1/-1}
  .register-grid{grid-template-columns:1fr}
}
@media(max-width:640px){
  .navbar nav{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;flex-direction:column;padding:18px;gap:14px;border-bottom:1px solid var(--border)}
  .navbar nav.open{display:flex}
  .menu-toggle{display:block}
  .search-bar{grid-template-columns:1fr}
  .form-row.two{grid-template-columns:1fr}
  .hero{padding:70px 0 90px}
}