/* O2 Active Exercise Physiology — brand styles */
/* Palette: navy #1D4289 | teal #008C95 | mint #98DBCE | blue #0077C8 | grey #707372 | dark #2D2926 */

* { margin: 0; padding: 0; box-sizing: border-box; }
:root {
  --navy: #1D4289;
  --teal: #008C95;
  --mint: #98DBCE;
  --blue: #0077C8;
  --grey: #707372;
  --dark: #2D2926;
  --light: #F7FAFB;
}
html { scroll-behavior: smooth; }
body {
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  color: var(--dark);
  background: #fff;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; }
a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---------- Header / nav ---------- */
.promo-strip { background: var(--navy); color: #fff; font-size: 14px; }
.promo-strip .container { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 6px 14px; padding: 9px 24px; text-align: center; }
.promo-strip a { color: var(--mint); font-weight: 600; white-space: nowrap; }
.promo-strip a:hover { color: #fff; text-decoration: underline; }
@media (max-width: 720px) { .promo-strip { font-size: 12.5px; } .promo-strip .container { padding: 7px 16px; gap: 2px 10px; line-height: 1.35; } }

header {
  position: sticky; top: 0; z-index: 100;
  background: #fff;
  border-bottom: 1px solid #E8ECEF;
}
.nav-wrap {
  max-width: 1200px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 24px;
}
.brand { display: flex; align-items: center; gap: 14px; text-decoration: none; }
.brand:hover { text-decoration: none; }
.brand-logo { height: 58px; width: auto; display: block; }
.brand.has-logo .wordmark { display: none; }
.wordmark { line-height: 1.15; }
.wordmark .wm-top { font-size: 24px; font-weight: 700; color: var(--navy); letter-spacing: 1px; }
.wordmark .wm-sub { font-size: 11px; font-weight: 600; color: var(--teal); letter-spacing: 2.5px; text-transform: uppercase; }
nav { display: flex; align-items: center; gap: 19px; }
nav > a, .dropdown > a {
  color: var(--dark); font-size: 14.5px; font-weight: 500;
  text-decoration: none; padding: 6px 0; white-space: nowrap;
}
nav > a:hover, .dropdown > a:hover { color: var(--navy); text-decoration: none; }
nav > a.active { color: var(--navy); border-bottom: 2px solid var(--navy); }
.dropdown { position: relative; }
.dropdown > a::after { content: " ▾"; font-size: 11px; color: var(--grey); }
.dropdown-menu {
  display: none; position: absolute; top: 100%; left: -16px;
  background: #fff; border: 1px solid #E8ECEF; border-top: 3px solid var(--navy);
  min-width: 270px; padding: 10px 0; box-shadow: 0 10px 30px rgba(29,66,137,.10);
}
.dropdown:hover .dropdown-menu { display: block; }
.dropdown-menu a {
  display: block; padding: 9px 20px; color: var(--dark); font-size: 14.5px; text-decoration: none;
}
.dropdown-menu a:hover { background: var(--light); color: var(--navy); }
.btn {
  display: inline-block; background: var(--navy); color: #fff !important;
  padding: 12px 26px; border-radius: 4px; font-weight: 600; font-size: 15px;
  text-decoration: none !important; transition: background .15s ease;
}
.btn:hover { background: #16336B; }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px 16px; margin-top: 26px; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px 16px; margin-top: 22px; }
@media (max-width: 760px) { .btn-row, .cta-row, .hero .cta-row, .cta-band .cta-row { gap: 14px 16px; } .lx-btns { gap: 14px; } }
.btn-row.tight { margin-top: 14px; }
.btn.ghost { background: transparent; color: var(--navy) !important; border: 2px solid var(--navy); }
.btn.ghost:hover { background: var(--navy); color: #fff !important; }
.btn.teal { background: var(--teal); }
.btn.teal:hover { background: #00727A; }

/* mobile nav */
#nav-toggle { display: none; }
.hamburger { display: none; cursor: pointer; padding: 8px; }
.hamburger span { display: block; width: 26px; height: 3px; background: var(--navy); margin: 5px 0; border-radius: 2px; }

/* ---------- Hero ---------- */
.hero { max-width: 1200px; margin: 0 auto; padding: 96px 24px 72px; text-align: center; }
.hero .kicker {
  color: var(--teal); font-weight: 700; letter-spacing: 3px; text-transform: uppercase;
  font-size: 12.5px; margin-bottom: 22px;
}
.hero h1 { color: var(--navy); font-size: 68px; line-height: 1.06; font-weight: 300; margin-bottom: 24px; letter-spacing: -1px; }
.hero h1 strong { font-weight: 700; }
.hero .sub { color: var(--grey); font-size: 21px; max-width: 780px; margin: 0 auto 14px; }
.hero .sub2 { color: var(--grey); font-size: 16px; max-width: 700px; margin: 0 auto 34px; }
.hero .cta-row { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; margin-top: 26px; }

/* ---------- Sections ---------- */
section { padding: 72px 0; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.container.narrow { max-width: 860px; }
.section-kicker { color: var(--teal); font-weight: 700; letter-spacing: 2.5px; text-transform: uppercase; font-size: 12.5px; margin-bottom: 10px; }
h2 { color: var(--navy); font-size: 38px; line-height: 1.18; margin-bottom: 22px; font-weight: 300; letter-spacing: -0.3px; }
h2 strong { font-weight: 700; }
h3 { color: var(--navy); font-size: 21px; margin: 28px 0 10px; font-weight: 700; }
p { color: var(--dark); margin-bottom: 16px; font-size: 16.5px; }
.lede { font-size: 19px; color: var(--dark); }
.muted { color: var(--grey); }
section.tint { background: var(--light); }
section.navy { background: var(--navy); }
section.navy h2, section.navy p { color: #fff; }
section.navy .section-kicker { color: var(--mint); }

/* ---------- Cards ---------- */
.grid { display: grid; gap: 28px; }
.grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
.card {
  background: #fff; border: 1px solid #E8ECEF; border-top: 4px solid var(--navy);
  padding: 30px 28px; border-radius: 4px;
  transition: box-shadow .15s ease, transform .15s ease;
}
.card:hover { box-shadow: 0 12px 32px rgba(29,66,137,.10); transform: translateY(-2px); }
.card.t-teal { border-top-color: var(--teal); }
.card.t-mint { border-top-color: var(--mint); }
.card.t-blue { border-top-color: var(--blue); }
.card h3 { margin: 0 0 10px; font-size: 19px; }
.card p { color: var(--grey); font-size: 15px; margin-bottom: 14px; }
.card .more { font-weight: 600; font-size: 14.5px; color: var(--navy); }
a.card { display: block; text-decoration: none; }
a.card:hover { text-decoration: none; }

/* value tiles */
.tile { text-align: center; border: 4px solid var(--navy); padding: 40px 26px; background: #fff; }
.tile.t-teal { border-color: var(--teal); }
.tile.t-mint { border-color: var(--mint); }
.tile.t-blue { border-color: var(--blue); }
.tile h3 { margin: 16px 0 10px; font-size: 19px; color: var(--dark); }
.tile p { color: var(--grey); font-size: 14.5px; margin: 0; }
.tile svg { height: 62px; }

/* ---------- Quote ---------- */
.quote { text-align: center; max-width: 820px; margin: 0 auto; }
.quote blockquote { font-size: 26px; line-height: 1.45; color: var(--navy); font-weight: 500; margin-bottom: 18px; }
.quote cite { color: var(--grey); font-style: normal; font-size: 15px; }

/* ---------- Steps (numbered, editorial) ---------- */
.steps { counter-reset: step; display: grid; gap: 32px; grid-template-columns: repeat(4, 1fr); }
.step { position: relative; padding: 22px 0 0; border-top: 3px solid var(--navy); }
.step:nth-child(2) { border-top-color: var(--teal); }
.step:nth-child(3) { border-top-color: var(--mint); }
.step:nth-child(4) { border-top-color: var(--blue); }
.step::before {
  counter-increment: step; content: "0" counter(step);
  display: block; font-size: 48px; font-weight: 250; color: var(--navy);
  line-height: 1; margin-bottom: 14px; letter-spacing: -1px;
}
.step h3 { margin: 0 0 8px; font-size: 17px; }
.step p { color: var(--grey); font-size: 14.5px; margin: 0; }
section.navy .step { border-top-color: rgba(255,255,255,.35); }
section.navy .step::before { color: var(--mint); }
section.navy .step h3 { color: #fff; }
section.navy .step p { color: #C9D4EA; }

/* ---------- Stat strip ---------- */
.stat-strip { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; text-align: center; }
.stat-strip .stat b { display: block; font-size: 52px; font-weight: 250; color: var(--navy); line-height: 1.1; letter-spacing: -1px; }
.stat-strip .stat span { color: var(--grey); font-size: 14.5px; letter-spacing: 1.5px; text-transform: uppercase; font-weight: 600; }
section.navy .stat-strip .stat b { color: var(--mint); }
section.navy .stat-strip .stat span { color: #C9D4EA; }

/* ---------- Range bar (know your numbers) ---------- */
.range-bar { margin: 30px 0 8px; }
.range-bar .bar { display: flex; height: 14px; border-radius: 7px; overflow: hidden; }
.range-bar .bar span { flex: 1; }
.range-bar .bar span:nth-child(1) { background: #C9D4EA; }
.range-bar .bar span:nth-child(2) { background: #7FA3D6; }
.range-bar .bar span:nth-child(3) { background: var(--blue); }
.range-bar .bar span:nth-child(4) { background: var(--teal); }
.range-bar .bar span:nth-child(5) { background: var(--mint); }
.range-bar .labels { display: flex; margin-top: 10px; }
.range-bar .labels span { flex: 1; text-align: center; font-size: 12.5px; letter-spacing: 1px; text-transform: uppercase; font-weight: 600; color: var(--grey); }
section.navy .range-bar .labels span { color: #C9D4EA; }

/* ---------- Lists ---------- */
ul.checks { list-style: none; margin: 0 0 18px; }
ul.checks li { padding-left: 34px; position: relative; margin-bottom: 12px; font-size: 16px; }
ul.checks li::before {
  content: "✓"; position: absolute; left: 0; top: 0;
  color: var(--teal); font-weight: 700; font-size: 18px;
}

/* callout */
.callout {
  background: var(--light); border-left: 5px solid var(--teal);
  padding: 22px 26px; border-radius: 0 4px 4px 0; margin: 26px 0;
}
.callout p { margin: 0; }
.callout.mint { border-left-color: var(--mint); }
.callout.navy-line { border-left-color: var(--navy); }

/* price */
.price-line { font-size: 22px; color: var(--navy); font-weight: 700; }

/* client story card */
.story {
  background: #fff; border: 1px solid #E4E9EE; border-left: 5px solid var(--teal);
  border-radius: 0 6px 6px 0; padding: 30px 32px; margin: 8px 0;
}
.story .story-kicker { color: var(--teal); font-weight: 700; letter-spacing: 2px; text-transform: uppercase; font-size: 12px; margin-bottom: 12px; }
.story h3 { color: var(--navy); margin: 0 0 14px; font-size: 22px; }
.story p { font-size: 16px; }
.story .story-quote { font-size: 19px; line-height: 1.5; color: var(--navy); font-weight: 500; font-style: italic; margin: 18px 0; }
.story .story-result { display: flex; gap: 28px; flex-wrap: wrap; margin: 20px 0 4px; }
.story .story-result .r b { display: block; font-size: 30px; font-weight: 700; color: var(--teal); line-height: 1.1; }
.story .story-result .r span { font-size: 13px; color: var(--grey); }
.story.tpl { border-left-style: dashed; border-left-color: var(--grey); background: #FAFBFC; }
.story.tpl .story-kicker { color: var(--grey); }
.story.tpl .tpl-note { font-size: 13px; color: var(--grey); font-style: italic; margin-top: 14px; padding-top: 12px; border-top: 1px dashed #D5DBE0; }

/* stories page hero + grid */
.stories-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 26px; }
@media (max-width: 720px) { .stories-grid { grid-template-columns: 1fr; } }

/* refer & enquire hub */
.refer-buttons { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin: 8px 0 8px; }
.refer-buttons a {
  display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center;
  gap: 8px; padding: 26px 16px; border-radius: 8px; text-decoration: none;
  background: var(--navy); color: #fff; font-weight: 700; font-size: 17px; transition: background .15s ease;
}
.refer-buttons a:hover { background: #16336B; text-decoration: none; }
.refer-buttons a.alt { background: var(--teal); }
.refer-buttons a.alt:hover { background: #00727A; }
.refer-buttons a small { font-weight: 400; font-size: 12.5px; opacity: .85; }
.refer-buttons a .ico { font-size: 26px; line-height: 1; }
@media (max-width: 760px) { .refer-buttons { grid-template-columns: 1fr 1fr; } }
@media (max-width: 460px) { .refer-buttons { grid-template-columns: 1fr; } }

.form-embed { width: 100%; border: 1px solid #E4E9EE; border-radius: 8px; min-height: 900px; background: #fff; }
.enquiry-form { display: grid; gap: 16px; max-width: 620px; }
.enquiry-form label { font-weight: 600; font-size: 14.5px; color: var(--dark); display: block; margin-bottom: 6px; }
.enquiry-form input, .enquiry-form textarea, .enquiry-form select {
  width: 100%; padding: 12px 14px; border: 1px solid #C9D4EA; border-radius: 6px;
  font-family: inherit; font-size: 16px; color: var(--dark); background: #fff;
}
.enquiry-form textarea { min-height: 130px; resize: vertical; }
.enquiry-form input:focus, .enquiry-form textarea:focus, .enquiry-form select:focus { outline: 2px solid var(--navy); border-color: var(--navy); }
.enquiry-hidden { position: absolute; left: -5000px; }
.anchor-offset { scroll-margin-top: 90px; }

/* content imagery */
.split-media { display: grid; grid-template-columns: 1fr 1fr; gap: 44px; align-items: center; }
.split-media img { width: 100%; border-radius: 6px; aspect-ratio: 4/3; object-fit: cover; background: var(--light); }
.split-media.rev .txt { order: 2; }
@media (max-width: 760px) { .split-media { grid-template-columns: 1fr; gap: 28px; } .split-media.rev .txt { order: 0; } }
.media-band { width: 100%; }
.media-band img { width: 100%; height: 340px; object-fit: cover; display: block; }
.card .card-img { width: calc(100% + 56px); height: 170px; object-fit: cover; margin: -30px -28px 18px; border-radius: 4px 4px 0 0; background: var(--light); display: block; }

/* team page */
.team-lead { display: grid; grid-template-columns: 340px 1fr; gap: 40px; align-items: start; }
.team-lead .photo-real { width: 100%; border-radius: 6px; aspect-ratio: 4/5; object-fit: cover; background: var(--light); }
.team-lead h3 { font-size: 26px; margin: 0 0 4px; }
.team-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 36px 32px; }
.member .photo-real { width: 100%; border-radius: 6px; aspect-ratio: 4/5; object-fit: cover; object-position: top center; background: var(--light); margin-bottom: 16px; }
.member h3 { font-size: 20px; margin: 0 0 3px; }
.member .role { color: var(--teal); font-weight: 700; letter-spacing: 1.2px; text-transform: uppercase; font-size: 11.5px; margin-bottom: 12px; }
.member p { font-size: 15px; color: var(--dark); }
.member .pending { font-style: italic; color: var(--grey); font-size: 14.5px; }
.photo-placeholder { display: flex; align-items: center; justify-content: center; background: var(--light); border: 1px dashed #C9D4EA; }
.photo-placeholder span { font-size: 54px; font-weight: 300; color: var(--navy); letter-spacing: 1px; }
@media (max-width: 960px) { .team-grid { grid-template-columns: repeat(2, 1fr); } .team-lead { grid-template-columns: 260px 1fr; gap: 30px; } }
@media (max-width: 720px) { .team-grid { grid-template-columns: 1fr; } .team-lead { grid-template-columns: 1fr; } .team-lead .photo-real { max-width: 300px; } }

/* affiliate strip */
.affiliate { background: var(--light); border-top: 1px solid #E8ECEF; border-bottom: 1px solid #E8ECEF; }
.affiliate .container { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; padding-top: 34px; padding-bottom: 34px; }
.affiliate p { margin: 0; color: var(--grey); font-size: 15.5px; }
.affiliate strong { color: var(--navy); }

/* ---------- CTA band ---------- */
.cta-band { background: var(--navy); text-align: center; padding: 72px 24px; }
.cta-band h2 { color: #fff; margin-bottom: 12px; }
.cta-band p { color: #C9D4EA; max-width: 640px; margin: 0 auto 28px; }
.cta-band .cta-row { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.cta-band .btn { background: #fff; color: var(--navy) !important; }
.cta-band .btn:hover { background: var(--mint); }
.cta-band .btn.ghost { background: transparent; color: #fff !important; border-color: #fff; }
.cta-band .btn.ghost:hover { background: rgba(255,255,255,.12); }

/* ---------- Footer ---------- */
footer { background: #16336B; color: #C9D4EA; padding: 56px 0 28px; font-size: 14.5px; }
footer .container { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; }
footer h4 { color: #fff; font-size: 15px; letter-spacing: 1.5px; text-transform: uppercase; margin-bottom: 14px; }
footer a { color: #C9D4EA; display: block; margin-bottom: 8px; }
footer a:hover { color: #fff; }
footer p { color: #C9D4EA; font-size: 14px; margin-bottom: 8px; }
.footer-bottom { max-width: 1200px; margin: 40px auto 0; padding: 22px 24px 0; border-top: 1px solid rgba(255,255,255,.15); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; font-size: 13px; color: #9FB0D4; }

/* ---------- Page hero (interior pages) ---------- */
.page-hero { background: var(--light); border-bottom: 1px solid #E8ECEF; padding: 72px 0 56px; }
.page-hero h1 { color: var(--navy); font-size: 42px; line-height: 1.15; margin-bottom: 14px; font-weight: 700; }
.page-hero .sub { color: var(--grey); font-size: 19px; max-width: 760px; }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .grid.cols-3, .grid.cols-4 { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .stat-strip { grid-template-columns: 1fr; gap: 22px; }
  footer .container { grid-template-columns: 1fr 1fr; }
  .hero h1 { font-size: 46px; }
}
@media (max-width: 1040px) {
  .hamburger { display: block; }
  nav {
    display: none; position: absolute; top: 100%; left: 0; right: 0;
    background: #fff; flex-direction: column; align-items: flex-start;
    gap: 0; padding: 10px 24px 20px; border-bottom: 1px solid #E8ECEF;
    box-shadow: 0 14px 30px rgba(29,66,137,.10);
  }
  #nav-toggle:checked ~ nav { display: flex; }
  nav > a, .dropdown > a { padding: 11px 0; width: 100%; white-space: normal; }
  .dropdown-menu { display: block; position: static; border: none; box-shadow: none; padding: 0 0 6px 16px; min-width: 0; }
  .dropdown-menu a { padding: 8px 0; }
  nav .btn { margin-top: 10px; }
}
@media (max-width: 720px) {
  .grid.cols-2, .grid.cols-3, .grid.cols-4 { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .hero { padding: 64px 24px 48px; }
  .hero h1 { font-size: 38px; }
  .range-bar .labels span { font-size: 10px; letter-spacing: .3px; }
  .hero .sub { font-size: 18px; }
  .page-hero h1 { font-size: 30px; }
  h2 { font-size: 27px; }
  footer .container { grid-template-columns: 1fr; }
  section { padding: 52px 0; }
}

/* --- Rhi review: faded hero textures, bolder step numbers --- */
.page-hero {
  background:
    radial-gradient(1200px 320px at 82% -12%, rgba(0,140,149,.12), transparent 60%),
    radial-gradient(900px 420px at -6% 120%, rgba(29,66,137,.09), transparent 58%),
    linear-gradient(180deg, #ffffff, var(--light));
  position: relative; overflow: hidden;
}
.hero {
  background:
    radial-gradient(1100px 340px at 84% -10%, rgba(0,140,149,.10), transparent 60%),
    radial-gradient(1000px 440px at -8% 118%, rgba(29,66,137,.07), transparent 55%);
}
.steps .step::before { font-weight: 800; }
section.navy .steps .step::before { font-weight: 800; }

/* --- Home: clinical program cards (monospace category tags) --- */
.card .ctag{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;text-transform:uppercase;letter-spacing:2px;font-size:11px;color:var(--teal);display:block;margin-bottom:9px;font-weight:600;}
.grid.clinical .card{border-left:1px solid #E7ECF2;border-right:1px solid #E7ECF2;border-bottom:1px solid #E7ECF2;}
.btn.teal{background:var(--teal);color:#fff !important;border:2px solid var(--teal);}
.btn.teal:hover{background:#00727A;border-color:#00727A;}

/* --- Contact page maps --- */
.map-embed{width:100%;height:430px;border:0;border-radius:8px;box-shadow:0 2px 12px rgba(29,66,137,.12);display:block;background:var(--light);}
.map-embed.short{height:300px;margin-top:10px;}
@media(max-width:760px){.map-embed{height:320px;}.map-embed.short{height:260px;}}

.social-row{display:flex;gap:12px;margin-top:14px;}
.social-row a{display:inline-flex;width:34px;height:34px;align-items:center;justify-content:center;border-radius:50%;background:rgba(255,255,255,.12);padding:0;}
.social-row a:hover{background:var(--teal);}
.social-row svg{width:17px;height:17px;fill:#fff;}

/* --- Touch-scroll safety: iframes must never fill a phone screen, maps need a tap before they capture swipes, open menu scrolls within itself --- */
@media (max-width: 760px) {
  .form-embed, #ob-iframe { height: 62vh !important; min-height: 420px; max-height: 620px; }
  #ob-iframe-container { -webkit-overflow-scrolling: touch; }
}
@media (max-width: 1040px) {
  nav { max-height: calc(100vh - 72px); max-height: calc(100dvh - 72px); overflow-y: auto; -webkit-overflow-scrolling: touch; }
}
.map-wrap { position: relative; }
.map-wrap .map-gate { position: absolute; inset: 0; background: transparent; cursor: pointer; }
.map-wrap .map-gate span { position: absolute; left: 50%; bottom: 12px; transform: translateX(-50%); background: rgba(29,66,137,.88); color: #fff; font-size: 12px; letter-spacing: .4px; padding: 6px 12px; border-radius: 999px; white-space: nowrap; }
.map-wrap.active .map-gate { display: none; }
@media (hover: hover) and (pointer: fine) { .map-wrap .map-gate { display: none; } }