/* ── Reset & Base ─────────────────────────────────────── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

:root{
  --green-900:#1b3a2d;
  --green-800:#25503d;
  --green-700:#2e6a4e;
  --green-600:#3a8563;
  --green-500:#4a9e77;
  --green-400:#6db894;
  --green-300:#97d0b3;
  --green-200:#c4e5d4;
  --green-100:#e8f5ee;
  --green-50:#f4faf7;
  --earth-900:#3e2f1c;
  --earth-700:#6b5438;
  --earth-500:#8c7354;
  --earth-300:#c4ac8e;
  --earth-100:#f0e8dd;
  --earth-50:#faf7f2;
  --text:#1a2e23;
  --text-muted:#4a5e52;
  --text-light:#6b7d73;
  --white:#ffffff;
  --border:#d4ddd8;
  --shadow:0 2px 8px rgba(27,58,45,.08);
  --shadow-lg:0 4px 20px rgba(27,58,45,.12);
  --radius:8px;
  --max-w:820px;
}

html{font-size:16px;scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  color:var(--text);
  background:var(--green-50);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}

/* ── Typography ──────────────────────────────────────── */
h1,h2,h3,h4{font-weight:700;line-height:1.25;color:var(--green-900)}
h1{font-size:clamp(1.75rem,4vw,2.5rem);letter-spacing:-.02em}
h2{font-size:clamp(1.35rem,3vw,1.85rem);margin-top:3rem;margin-bottom:1rem;padding-bottom:.5rem;border-bottom:2px solid var(--green-200)}
h3{font-size:clamp(1.1rem,2.5vw,1.35rem);margin-top:2rem;margin-bottom:.75rem;color:var(--green-800)}
h4{font-size:1.05rem;margin-top:1.5rem;margin-bottom:.5rem}
p{margin-bottom:1rem}
a{color:var(--green-700);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:2px;transition:color .15s}
a:hover{color:var(--green-500)}
ul,ol{margin:0 0 1rem 1.25rem}
li{margin-bottom:.4rem}
strong{color:var(--green-900)}

/* ── Layout ──────────────────────────────────────────── */
.container{max-width:var(--max-w);margin:0 auto;padding:0 1.25rem}
header{background:var(--green-900);color:var(--white);padding:1rem 0}
header .container{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:.75rem}
.site-title{font-size:1.1rem;font-weight:700;color:var(--white);text-decoration:none;letter-spacing:-.01em}
nav a{color:var(--green-200);text-decoration:none;font-size:.875rem;margin-left:1.25rem}
nav a:hover{color:var(--white)}

/* ── Hero ────────────────────────────────────────────── */
.hero{
  background:linear-gradient(135deg,var(--green-800) 0%,var(--green-600) 100%);
  color:var(--white);
  padding:3.5rem 0 3rem;
  text-align:center;
}
.hero h1{color:var(--white);margin-bottom:1rem}
.hero p{font-size:1.1rem;max-width:640px;margin:0 auto 1.5rem;opacity:.92;line-height:1.6}
.hero .badge{
  display:inline-block;
  background:rgba(255,255,255,.18);
  border:1px solid rgba(255,255,255,.25);
  padding:.35rem 1rem;
  border-radius:99px;
  font-size:.8rem;
  font-weight:600;
  letter-spacing:.03em;
  text-transform:uppercase;
  margin-bottom:1.25rem;
}

/* ── Main ────────────────────────────────────────────── */
main{padding:2.5rem 0 4rem}

/* ── Info Boxes / Callouts ───────────────────────────── */
.callout{
  background:var(--green-100);
  border-left:4px solid var(--green-500);
  padding:1.25rem 1.5rem;
  border-radius:0 var(--radius) var(--radius) 0;
  margin:1.5rem 0;
  font-size:.95rem;
}
.callout.warn{
  background:#fef9ec;
  border-left-color:#d4a017;
}
.callout.tip{
  background:var(--earth-50);
  border-left-color:var(--earth-500);
}
.callout strong{display:block;margin-bottom:.35rem;font-size:1rem}

/* ── Comparison Table ────────────────────────────────── */
.table-wrap{overflow-x:auto;margin:1.5rem 0;-webkit-overflow-scrolling:touch}
table{width:100%;border-collapse:collapse;font-size:.9rem;min-width:560px}
thead{background:var(--green-800);color:var(--white)}
th{padding:.75rem 1rem;text-align:left;font-weight:600;white-space:nowrap}
td{padding:.7rem 1rem;border-bottom:1px solid var(--border);vertical-align:top}
tbody tr:nth-child(even){background:var(--green-50)}
tbody tr:hover{background:var(--green-100)}
td:first-child{font-weight:600;color:var(--green-800);white-space:nowrap}
.check{color:var(--green-600);font-weight:700}
.cross{color:#b54a4a;font-weight:700}

/* ── Provider Cards ──────────────────────────────────── */
.provider-grid{display:grid;gap:1.25rem;margin:1.5rem 0}
.provider-card{
  background:var(--white);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:1.5rem;
  box-shadow:var(--shadow);
  transition:box-shadow .2s;
}
.provider-card:hover{box-shadow:var(--shadow-lg)}
.provider-card.featured{border-color:var(--green-500);border-width:2px;position:relative}
.provider-card.featured::before{
  content:"Recommended";
  position:absolute;
  top:-10px;
  left:16px;
  background:var(--green-600);
  color:var(--white);
  font-size:.7rem;
  font-weight:700;
  text-transform:uppercase;
  letter-spacing:.05em;
  padding:.2rem .75rem;
  border-radius:99px;
}
.provider-card h3{margin-top:.25rem;margin-bottom:.5rem}
.provider-card .price{font-size:1.5rem;font-weight:800;color:var(--green-700)}
.provider-card .price span{font-size:.85rem;font-weight:400;color:var(--text-muted)}
.provider-card ul{margin:.75rem 0 1rem 1.1rem;font-size:.9rem}
.cta-btn{
  display:inline-block;
  background:var(--green-600);
  color:var(--white);
  text-decoration:none;
  padding:.6rem 1.5rem;
  border-radius:var(--radius);
  font-weight:600;
  font-size:.9rem;
  transition:background .15s;
}
.cta-btn:hover{background:var(--green-700);color:var(--white)}
.cta-btn.secondary{background:transparent;color:var(--green-700);border:1.5px solid var(--green-600)}
.cta-btn.secondary:hover{background:var(--green-100)}

/* ── Dosing Chart ────────────────────────────────────── */
.dose-chart{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(200px,1fr));
  gap:1rem;
  margin:1.5rem 0;
}
.dose-level{
  background:var(--white);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:1.25rem;
  text-align:center;
  box-shadow:var(--shadow);
}
.dose-level .amount{
  font-size:1.6rem;
  font-weight:800;
  color:var(--green-700);
  margin-bottom:.25rem;
}
.dose-level .label{
  font-size:.8rem;
  text-transform:uppercase;
  letter-spacing:.05em;
  font-weight:600;
  color:var(--text-muted);
  margin-bottom:.5rem;
}
.dose-level p{font-size:.85rem;color:var(--text-muted);margin:0}

/* ── Step List ───────────────────────────────────────── */
.steps{counter-reset:step;list-style:none;margin-left:0;padding:0}
.steps li{
  counter-increment:step;
  position:relative;
  padding:1rem 1rem 1rem 3.5rem;
  background:var(--white);
  border:1px solid var(--border);
  border-radius:var(--radius);
  margin-bottom:.75rem;
  box-shadow:var(--shadow);
}
.steps li::before{
  content:counter(step);
  position:absolute;
  left:1rem;
  top:1rem;
  width:1.75rem;
  height:1.75rem;
  background:var(--green-600);
  color:var(--white);
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  font-weight:700;
  font-size:.85rem;
}

/* ── FAQ ─────────────────────────────────────────────── */
.faq-item{
  border:1px solid var(--border);
  border-radius:var(--radius);
  margin-bottom:.5rem;
  background:var(--white);
  overflow:hidden;
}
.faq-item summary{
  padding:1rem 1.25rem;
  font-weight:600;
  cursor:pointer;
  list-style:none;
  display:flex;
  justify-content:space-between;
  align-items:center;
  font-size:.95rem;
}
.faq-item summary::after{content:"+";font-size:1.3rem;color:var(--green-600);font-weight:300;transition:transform .2s}
.faq-item[open] summary::after{content:"\2212"}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item .answer{padding:0 1.25rem 1rem;font-size:.92rem;color:var(--text-muted)}

/* ── Disclosure ──────────────────────────────────────── */
.disclosure{
  background:var(--earth-100);
  border:1px solid var(--earth-300);
  border-radius:var(--radius);
  padding:1rem 1.25rem;
  font-size:.82rem;
  color:var(--earth-700);
  margin:2.5rem 0 1rem;
  line-height:1.6;
}

/* ── Footer ──────────────────────────────────────────── */
footer{background:var(--green-900);color:var(--green-200);padding:2.5rem 0 2rem;font-size:.85rem}
footer h4{color:var(--white);font-size:.95rem;margin-bottom:.75rem;margin-top:0}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:2rem}
footer a{color:var(--green-300);text-decoration:none}
footer a:hover{color:var(--white)}
footer ul{list-style:none;margin:0;padding:0}
footer li{margin-bottom:.4rem}
.footer-bottom{margin-top:2rem;padding-top:1.25rem;border-top:1px solid rgba(255,255,255,.12);text-align:center;color:var(--green-300);font-size:.8rem}

/* ── Responsive ──────────────────────────────────────── */
@media(min-width:640px){
  .provider-grid{grid-template-columns:repeat(2,1fr)}
}
@media(min-width:900px){
  .container{padding:0 2rem}
}
@media(max-width:600px){
  .hero{padding:2.5rem 0 2rem}
  h2{font-size:1.25rem}
  table{font-size:.82rem}
  th,td{padding:.55rem .65rem}
  .dose-chart{grid-template-columns:1fr 1fr}
  nav{display:none}
}