/* ============ Heritage NeuroScience — Core Stylesheet ============ */
:root{
  --primary:#0f9488; --primary-dark:#0c7a70; --primary-light:#e6fbf8;
  --ink:#0f172a; --ink-soft:#334155; --muted:#64748b; --line:#e2e8f0;
  --bg:#f8fafc; --card:#ffffff;
  --success:#0f766e; --success-bg:#ccfbf1;
  --warning:#d97706; --warning-bg:#fef3c7;
  --danger:#e11d48; --danger-bg:#ffe4e6;
  --radius:12px; --shadow:0 4px 20px rgba(15,23,42,.06);
  --font:'Segoe UI', Helvetica, Arial, sans-serif;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{margin:0;font-family:var(--font);color:var(--ink-soft);background:var(--bg);line-height:1.6;}
h1,h2,h3,h4{color:var(--ink);line-height:1.25;margin:0 0 .5em;font-weight:700;}
a{color:var(--primary);text-decoration:none;}
a:hover{color:var(--primary-dark);}
img{max-width:100%;display:block;}
.container{max-width:1180px;margin:0 auto;padding:0 24px;}
.section{padding:64px 0;}
.section-tight{padding:32px 0;}
.text-center{text-align:center;}
.muted{color:var(--muted);}
.badge{display:inline-block;padding:4px 12px;border-radius:999px;font-size:.78rem;font-weight:600;}
.badge-primary{background:var(--primary-light);color:var(--primary-dark);}
.badge-success{background:var(--success-bg);color:var(--success);}
.badge-warning{background:var(--warning-bg);color:var(--warning);}
.badge-danger{background:var(--danger-bg);color:var(--danger);}
.eyebrow{display:inline-block;background:var(--primary-light);color:var(--primary-dark);font-weight:700;font-size:.78rem;letter-spacing:.06em;text-transform:uppercase;padding:6px 14px;border-radius:999px;margin-bottom:16px;}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;border-radius:9px;font-weight:600;font-size:.95rem;border:1px solid transparent;cursor:pointer;transition:.15s;}
.btn-primary{background:var(--primary);color:#fff;}
.btn-primary:hover{background:var(--primary-dark);color:#fff;}
.btn-outline{background:#fff;color:var(--primary);border-color:var(--primary);}
.btn-outline:hover{background:var(--primary-light);}
.btn-light{background:#fff;color:var(--ink);border-color:var(--line);}
.btn-light:hover{background:var(--bg);}
.btn-danger{background:var(--danger);color:#fff;}
.btn-sm{padding:7px 14px;font-size:.85rem;border-radius:7px;}
.btn-block{width:100%;}

/* Top utility bar + nav */
.topbar{background:var(--ink);color:#cbd5e1;font-size:.85rem;padding:8px 0;}
.topbar .container{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;}
.topbar a{color:#e2e8f0;}
.navbar{background:#fff;box-shadow:0 1px 0 var(--line);position:sticky;top:0;z-index:50;}
.navbar .container{display:flex;align-items:center;justify-content:space-between;padding:14px 24px;gap:20px;flex-wrap:wrap;}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--ink);font-size:1.15rem;}
.brand .logo-dot{width:38px;height:38px;border-radius:10px;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;}
.navlinks{display:flex;gap:22px;align-items:center;flex-wrap:wrap;}
.navlinks a{color:var(--ink-soft);font-weight:600;font-size:.93rem;}
.navlinks a.active,.navlinks a:hover{color:var(--primary);}
.nav-actions{display:flex;gap:10px;align-items:center;}

/* Hero */
.hero{background:linear-gradient(135deg,#f0fdfb 0%,#eef6ff 100%);padding:70px 0;}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;}
.hero h1{font-size:2.6rem;}
.hero p.lead{font-size:1.12rem;color:var(--ink-soft);max-width:560px;}
.hero-actions{display:flex;gap:12px;margin-top:24px;flex-wrap:wrap;}
.hero-img{border-radius:20px;overflow:hidden;box-shadow:var(--shadow);}
.stats-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:48px;}
.stat-box{text-align:center;background:#fff;border-radius:var(--radius);padding:20px;box-shadow:var(--shadow);}
.stat-box .num{font-size:1.8rem;font-weight:800;color:var(--primary-dark);}
.stat-box .lbl{font-size:.85rem;color:var(--muted);}

/* Cards / grids */
.grid{display:grid;gap:24px;}
.grid-2{grid-template-columns:repeat(2,1fr);}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);}
.card-flat{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px;}
.icon-box{width:52px;height:52px;border-radius:12px;background:var(--primary-light);color:var(--primary-dark);display:flex;align-items:center;justify-content:center;font-size:1.4rem;margin-bottom:14px;font-weight:700;}

.doctor-card{text-align:center;}
.doctor-card img{width:100%;height:220px;object-fit:cover;border-radius:10px;margin-bottom:14px;}
.doctor-card h4{margin-bottom:2px;}
.doctor-card .spec{color:var(--primary-dark);font-weight:600;font-size:.88rem;margin-bottom:8px;}

.section-head{max-width:640px;margin:0 auto 40px;text-align:center;}

.testimonial{border-left:4px solid var(--primary);}
.testimonial .stars{color:#f59e0b;margin-bottom:10px;}

.faq-item{border-bottom:1px solid var(--line);padding:18px 0;}
.faq-item summary{cursor:pointer;font-weight:700;color:var(--ink);list-style:none;display:flex;justify-content:space-between;}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item[open] summary{color:var(--primary-dark);}
.faq-item p{margin-top:10px;color:var(--muted);}

/* Footer */
.site-footer{background:#0f172a;color:#cbd5e1;padding:56px 0 24px;margin-top:40px;}
.site-footer h4{color:#fff;font-size:1rem;}
.site-footer a{color:#94a3b8;}
.site-footer a:hover{color:#fff;}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:32px;}
.footer-bottom{border-top:1px solid #1e293b;margin-top:36px;padding-top:20px;font-size:.85rem;color:#64748b;display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;}

/* Forms */
.form-group{margin-bottom:18px;}
label{display:block;font-weight:600;color:var(--ink);margin-bottom:6px;font-size:.9rem;}
input[type=text],input[type=email],input[type=password],input[type=tel],input[type=date],input[type=time],input[type=number],select,textarea{
  width:100%;padding:11px 14px;border:1px solid var(--line);border-radius:8px;font-size:.95rem;font-family:inherit;background:#fff;color:var(--ink);
}
textarea{resize:vertical;min-height:100px;}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-light);}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.auth-wrap{max-width:440px;margin:60px auto;}
.auth-wrap .card{padding:36px;}

.alert{padding:13px 16px;border-radius:9px;margin-bottom:18px;font-size:.92rem;}
.alert-success{background:var(--success-bg);color:var(--success);}
.alert-error{background:var(--danger-bg);color:var(--danger);}
.alert-info{background:var(--primary-light);color:var(--primary-dark);}

/* Tables */
table{width:100%;border-collapse:collapse;background:#fff;}
table th,table td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line);font-size:.92rem;}
table th{background:var(--bg);color:var(--muted);font-weight:700;text-transform:uppercase;font-size:.72rem;letter-spacing:.04em;}
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:#fff;}

/* Dashboard layout (patient/doctor/admin) */
.dash{display:grid;grid-template-columns:250px 1fr;min-height:70vh;}
.dash-sidebar{background:#fff;border-right:1px solid var(--line);padding:24px 0;}
.dash-sidebar .user-box{padding:0 20px 20px;border-bottom:1px solid var(--line);margin-bottom:14px;}
.dash-sidebar .user-box .name{font-weight:700;color:var(--ink);}
.dash-sidebar .user-box .role{font-size:.8rem;color:var(--muted);text-transform:capitalize;}
.dash-nav a{display:block;padding:11px 22px;color:var(--ink-soft);font-weight:600;font-size:.92rem;border-left:3px solid transparent;}
.dash-nav a.active{background:var(--primary-light);color:var(--primary-dark);border-left-color:var(--primary);}
.dash-nav a:hover{background:var(--bg);}
.dash-main{padding:32px;}
.dash-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px;flex-wrap:wrap;gap:12px;}
.kpi-row{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-bottom:28px;}
.kpi{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px;}
.kpi .num{font-size:1.7rem;font-weight:800;color:var(--ink);}
.kpi .lbl{color:var(--muted);font-size:.85rem;}

.pill-tabs{display:flex;gap:8px;margin-bottom:20px;flex-wrap:wrap;}
.pill-tabs a{padding:8px 16px;border-radius:999px;background:#fff;border:1px solid var(--line);color:var(--ink-soft);font-weight:600;font-size:.86rem;}
.pill-tabs a.active{background:var(--primary);border-color:var(--primary);color:#fff;}

.chip{display:inline-flex;align-items:center;gap:6px;background:var(--bg);border:1px solid var(--line);border-radius:999px;padding:5px 12px;font-size:.82rem;margin:2px;}

@media (max-width: 900px){
  .hero-grid,.grid-2,.grid-3,.grid-4,.form-row,.footer-grid{grid-template-columns:1fr;}
  .kpi-row{grid-template-columns:1fr 1fr;}
  .dash{grid-template-columns:1fr;}
  .dash-sidebar{border-right:none;border-bottom:1px solid var(--line);}
  .navlinks{display:none;}
}