/* ============================================================
   Dr. Bruno Mucci — Brand stylesheet
   Brand tokens locked from official brand guide
   ============================================================ */

:root {
  --brand-blue: #0A84FF;
  --brand-navy: #0A1A2F;
  --brand-black: #0D0D0D;
  --brand-white: #FFFFFF;
  --brand-cyan: #00B8FF;

  --text: #0A1A2F;
  --text-muted: #5A6478;
  --text-on-dark: #E7ECF3;
  --text-on-dark-muted: #9AA6BC;

  --bg: #FFFFFF;
  --bg-soft: #F4F6FA;
  --border: #E3E7EF;

  --radius-sm: 6px;
  --radius: 12px;
  --radius-lg: 20px;

  --shadow-sm: 0 1px 2px rgba(10, 26, 47, 0.06);
  --shadow-md: 0 10px 30px rgba(10, 26, 47, 0.10);
  --shadow-lg: 0 24px 60px rgba(10, 26, 47, 0.18);

  --container: 1200px;
  --gutter: clamp(16px, 4vw, 32px);

  --font-display: 'Bebas Neue', Impact, 'Arial Narrow Bold', sans-serif;
  --font-body: 'Montserrat', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--font-body);
  font-weight: 400;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

img, svg { max-width: 100%; display: block; }
a { color: var(--brand-blue); text-decoration: none; }
a:hover { color: var(--brand-cyan); }

/* ---------- Typography ---------- */
h1, h2, h3, .display {
  font-family: var(--font-display);
  font-weight: 400;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  line-height: 1.05;
  color: var(--text);
  margin: 0 0 0.5em;
}
h1 { font-size: clamp(2.4rem, 6vw, 4.6rem); }
h2 { font-size: clamp(1.9rem, 4vw, 3rem); }
h3 { font-size: clamp(1.3rem, 2.4vw, 1.7rem); }
h4 {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--brand-blue);
  margin: 0 0 0.5em;
}
p { margin: 0 0 1em; }
.lead { font-size: clamp(1.05rem, 1.6vw, 1.2rem); color: var(--text-muted); }

.eyebrow {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--brand-blue);
  display: inline-block;
  margin-bottom: 1rem;
}

/* ---------- Layout ---------- */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
section { padding: clamp(64px, 9vw, 120px) 0; }
section.tight { padding: clamp(40px, 6vw, 72px) 0; }
.dark { background: var(--brand-navy); color: var(--text-on-dark); }
.dark h1, .dark h2, .dark h3 { color: var(--brand-white); }
.dark .lead { color: var(--text-on-dark-muted); }
.dark .eyebrow { color: var(--brand-cyan); }
.soft { background: var(--bg-soft); }

.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); }
@media (max-width: 900px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 24px;
  border-radius: 999px;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border: 2px solid transparent;
  transition: transform 0.15s ease, background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
  cursor: pointer;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--brand-blue); color: var(--brand-white); }
.btn-primary:hover { background: var(--brand-cyan); color: var(--brand-white); }
.btn-ghost { background: transparent; color: var(--brand-white); border-color: rgba(255,255,255,0.4); }
.btn-ghost:hover { border-color: var(--brand-cyan); color: var(--brand-cyan); }
.btn-outline { background: transparent; color: var(--brand-navy); border-color: var(--brand-navy); }
.btn-outline:hover { background: var(--brand-navy); color: var(--brand-white); }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(10, 26, 47, 0.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  padding-bottom: 16px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--brand-white);
  font-family: var(--font-display);
  font-size: 1.3rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.logo-mark { width: 40px; height: 40px; }
.logo-wordmark { line-height: 1; }
.logo-wordmark small {
  display: block;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.62rem;
  letter-spacing: 0.22em;
  color: var(--brand-cyan);
  margin-top: 4px;
}

.nav { display: flex; align-items: center; gap: 24px; }
.nav a {
  color: var(--text-on-dark);
  font-weight: 500;
  font-size: 0.92rem;
  letter-spacing: 0.04em;
  white-space: nowrap;
}
.nav a:hover { color: var(--brand-cyan); }
.nav .btn { padding: 10px 20px; font-size: 0.82rem; }

.nav-toggle {
  display: none;
  background: transparent;
  border: 0;
  color: var(--brand-white);
  cursor: pointer;
  padding: 8px;
}
@media (max-width: 880px) {
  .nav { display: none; position: absolute; top: 100%; left: 0; right: 0; background: var(--brand-navy); flex-direction: column; padding: 24px; gap: 20px; border-top: 1px solid rgba(255,255,255,0.08); }
  .nav.open { display: flex; }
  .nav-toggle { display: block; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  background:
    radial-gradient(1200px 600px at 80% -20%, rgba(10, 132, 255, 0.25), transparent 60%),
    radial-gradient(900px 500px at -10% 80%, rgba(0, 184, 255, 0.18), transparent 55%),
    linear-gradient(180deg, var(--brand-navy) 0%, var(--brand-black) 100%);
  color: var(--brand-white);
  padding: clamp(80px, 14vw, 160px) 0 clamp(80px, 12vw, 140px);
  overflow: hidden;
}
.hero .container { position: relative; z-index: 2; }
.hero h1 { color: var(--brand-white); margin-bottom: 0.3em; }
.hero h1 .accent { color: var(--brand-blue); }
.hero .lead { color: rgba(255,255,255,0.78); max-width: 620px; margin-bottom: 2rem; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-tagline {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 8px 16px;
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 999px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.75rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--brand-cyan);
  margin-bottom: 1.4rem;
}
.hero-tagline::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--brand-cyan); box-shadow: 0 0 12px var(--brand-cyan); }

/* ---------- Cards ---------- */
.card {
  background: var(--brand-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--brand-blue); }
.card .icon {
  width: 44px; height: 44px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--brand-blue), var(--brand-cyan));
  display: grid; place-items: center;
  color: var(--brand-white);
  margin-bottom: 18px;
}
.card h3 { margin-bottom: 0.4em; }
.card p { color: var(--text-muted); margin: 0; }
.card a.more { display: inline-flex; align-items: center; gap: 6px; margin-top: 14px; font-weight: 600; font-size: 0.88rem; text-transform: uppercase; letter-spacing: 0.08em; }

.card-dark {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  color: var(--text-on-dark);
}
.card-dark p { color: var(--text-on-dark-muted); }
.card-dark:hover { border-color: var(--brand-cyan); }

/* ---------- Pillars (Biomechanics / Evidence / Outcomes) ---------- */
.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.pillar {
  display: flex; align-items: center; gap: 18px;
  padding: 22px 24px;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 999px;
}
.pillar .dot {
  width: 44px; height: 44px;
  border: 2px solid var(--brand-blue);
  border-radius: 50%;
  display: grid; place-items: center;
  flex-shrink: 0;
  color: var(--brand-cyan);
}
.pillar .label { font-family: var(--font-display); font-size: 1.1rem; letter-spacing: 0.05em; }
@media (max-width: 880px) { .pillars { grid-template-columns: 1fr; } }

/* ---------- Stats ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
.stat .n { font-family: var(--font-display); font-size: clamp(2.2rem, 5vw, 3.4rem); color: var(--brand-blue); display: block; }
.stat .l { font-size: 0.85rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-muted); }
.dark .stat .l { color: var(--text-on-dark-muted); }
@media (max-width: 720px) { .stats { grid-template-columns: repeat(2, 1fr); } }

/* ---------- Split / About preview ---------- */
.split { display: grid; grid-template-columns: 1.1fr 1fr; gap: clamp(32px, 6vw, 72px); align-items: center; }
@media (max-width: 880px) { .split { grid-template-columns: 1fr; } }
.split .media {
  aspect-ratio: 4 / 5;
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 30% 30%, rgba(10, 132, 255, 0.4), transparent 60%),
    linear-gradient(135deg, var(--brand-navy), var(--brand-black));
  position: relative; overflow: hidden;
  border: 1px solid rgba(255,255,255,0.08);
}
.split .media .badge {
  position: absolute; bottom: 24px; left: 24px;
  background: var(--brand-white); color: var(--brand-navy);
  padding: 12px 18px; border-radius: 999px;
  font-family: var(--font-display); font-size: 0.95rem; letter-spacing: 0.06em;
}

/* ---------- Conditions strip ---------- */
.chip-row { display: flex; flex-wrap: wrap; gap: 10px; }
.chip {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 18px;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 0.88rem; font-weight: 500;
  color: var(--text);
  background: var(--brand-white);
  transition: all 0.15s ease;
}
.chip:hover { border-color: var(--brand-blue); color: var(--brand-blue); }
.chip.chip-active { background: var(--brand-blue); color: var(--brand-white); border-color: var(--brand-blue); }
.chip.chip-active:hover { background: var(--brand-cyan); border-color: var(--brand-cyan); color: var(--brand-white); }
button.chip { cursor: pointer; font-family: var(--font-body); }
.dark .chip { background: rgba(255,255,255,0.04); border-color: rgba(255,255,255,0.12); color: var(--text-on-dark); }
.dark .chip:hover { border-color: var(--brand-cyan); color: var(--brand-cyan); }

/* ---------- Testimonials ---------- */
.quote {
  background: var(--brand-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
}
.quote p { font-size: 1.05rem; color: var(--text); margin-bottom: 18px; }
.quote .who { display: flex; align-items: center; gap: 12px; }
.quote .who .avatar { width: 44px; height: 44px; border-radius: 50%; background: linear-gradient(135deg, var(--brand-blue), var(--brand-cyan)); }
.quote .who .name { font-weight: 700; }
.quote .who .role { font-size: 0.85rem; color: var(--text-muted); }

/* ---------- CTA band ---------- */
.cta-band {
  background: linear-gradient(135deg, var(--brand-navy), var(--brand-black));
  color: var(--brand-white);
  border-radius: var(--radius-lg);
  padding: clamp(40px, 6vw, 64px);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-band::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(600px 300px at 50% 0%, rgba(10, 132, 255, 0.3), transparent 60%);
}
.cta-band > * { position: relative; }
.cta-band h2 { color: var(--brand-white); }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--brand-black);
  color: var(--text-on-dark);
  padding: 72px 0 32px;
}
.site-footer h4 { color: var(--brand-cyan); }
.site-footer a { color: var(--text-on-dark-muted); display: block; padding: 4px 0; }
.site-footer a:hover { color: var(--brand-white); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 48px; }
@media (max-width: 880px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 24px;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 16px;
  font-size: 0.82rem; color: var(--text-on-dark-muted);
}

/* ---------- Page header ---------- */
.page-hero {
  background: linear-gradient(180deg, var(--brand-navy), var(--brand-black));
  color: var(--brand-white);
  padding: clamp(80px, 12vw, 140px) 0 clamp(60px, 8vw, 100px);
  text-align: center;
}
.page-hero h1 { color: var(--brand-white); }
.page-hero .lead { color: rgba(255,255,255,0.8); max-width: 720px; margin: 0 auto; }
.breadcrumb { font-size: 0.82rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--brand-cyan); margin-bottom: 1rem; }

/* ---------- Service list ---------- */
.service-row {
  display: grid; grid-template-columns: 1fr 2fr; gap: 40px;
  padding: 40px 0;
  border-bottom: 1px solid var(--border);
}
.service-row:last-child { border-bottom: 0; }
.service-row h3 { color: var(--brand-navy); margin-bottom: 0.3em; }
.service-row .num { font-family: var(--font-display); color: var(--brand-blue); font-size: 1.2rem; letter-spacing: 0.1em; margin-bottom: 0.5em; }
@media (max-width: 720px) { .service-row { grid-template-columns: 1fr; gap: 16px; } }

/* ---------- Form ---------- */
.form { display: grid; gap: 16px; }
.field { display: grid; gap: 6px; }
.field label { font-size: 0.85rem; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; color: var(--text-muted); }
.field input, .field textarea, .field select {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  font-family: var(--font-body);
  font-size: 1rem;
  background: var(--brand-white);
  color: var(--text);
}
.field input:focus, .field textarea:focus, .field select:focus {
  outline: 2px solid var(--brand-blue);
  outline-offset: 2px;
  border-color: var(--brand-blue);
}

/* ---------- Sticky mobile CTA ---------- */
.mobile-cta {
  display: none;
  position: fixed; bottom: 16px; left: 16px; right: 16px;
  z-index: 40;
  background: var(--brand-blue);
  color: var(--brand-white);
  text-align: center;
  padding: 14px 20px;
  border-radius: 999px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  box-shadow: var(--shadow-lg);
}
@media (max-width: 720px) { .mobile-cta { display: block; } }

/* ---------- Utility ---------- */
.center { text-align: center; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.section-head { max-width: 720px; margin: 0 auto 48px; text-align: center; }
.section-head.left { text-align: left; margin-left: 0; }
.tagline-strip {
  font-family: var(--font-display);
  letter-spacing: 0.3em;
  font-size: 0.95rem;
  color: var(--brand-cyan);
  text-transform: uppercase;
}

/* ---------- Logo SVG fallback ---------- */
.bm-mark { width: 100%; height: 100%; }

/* ---------- Blog article ---------- */
.blog-narrow { max-width: 760px; }
.article-meta { color: rgba(255,255,255,0.6); font-size: 0.88rem; }
.article-body { font-size: 1.07rem; line-height: 1.75; color: #283149; }
.article-body p { margin-bottom: 1.2em; }
.article-body h2 { margin-top: 2em; margin-bottom: 0.6em; font-size: clamp(1.5rem, 3vw, 2rem); color: var(--brand-navy); }
.article-body h3 { margin-top: 1.6em; margin-bottom: 0.5em; font-size: 1.25rem; color: var(--brand-navy); }
.article-body ul, .article-body ol { margin: 1em 0 1.4em; padding-left: 1.3em; }
.article-body li { margin-bottom: 0.5em; }
.article-body strong { color: var(--brand-navy); }
.article-body a { color: var(--brand-blue); text-decoration: underline; text-underline-offset: 3px; text-decoration-thickness: 1.5px; }
.article-body a:hover { color: var(--brand-cyan); }

.callout {
  background: var(--bg-soft);
  border-left: 4px solid var(--brand-blue);
  padding: 24px 28px;
  border-radius: 8px;
  margin: 32px 0;
}
.callout h4 { margin-top: 0; }
.callout p:last-child { margin-bottom: 0; }
.callout.bottom-line { border-left-color: var(--brand-cyan); background: linear-gradient(135deg, rgba(10,132,255,0.06), rgba(0,184,255,0.04)); }

.pullquote {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.8vw, 1.9rem);
  letter-spacing: 0.02em;
  line-height: 1.25;
  color: var(--brand-navy);
  border-top: 2px solid var(--brand-blue);
  border-bottom: 2px solid var(--brand-blue);
  padding: 24px 0;
  margin: 40px 0;
  text-align: center;
}

.inline-cta {
  background: var(--brand-navy);
  color: var(--brand-white);
  padding: 28px 32px;
  border-radius: var(--radius);
  margin: 32px 0;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: center;
}
.inline-cta h3 { color: var(--brand-white); margin: 0 0 0.3em; font-size: 1.3rem; }
.inline-cta p { color: rgba(255,255,255,0.75); margin: 0; }
@media (max-width: 720px) { .inline-cta { grid-template-columns: 1fr; } }

.tag-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 24px; }
.tag {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(10,132,255,0.08);
  color: var(--brand-blue);
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* ---------- Blog illustrations (SVG hero placeholders) ---------- */
.blog-hero-art {
  aspect-ratio: 16 / 9;
  width: 100%;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--brand-navy), var(--brand-black));
  position: relative;
  overflow: hidden;
  margin-bottom: 32px;
  border: 1px solid rgba(255,255,255,0.08);
}
.blog-hero-art svg { width: 100%; height: 100%; display: block; }

.illus-card {
  aspect-ratio: 16 / 9;
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--brand-navy) 0%, #142847 100%);
  position: relative;
  overflow: hidden;
  margin-bottom: 16px;
  border: 1px solid rgba(10,132,255,0.15);
}
.illus-card svg { width: 100%; height: 100%; display: block; }
.illus-card .cat-tag { position: absolute; top: 14px; left: 14px; background: rgba(0,184,255,0.18); color: var(--brand-cyan); padding: 4px 10px; border-radius: 999px; font-size: 0.72rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; }

/* ---------- Trust band ---------- */
.trust-band {
  padding: 24px 0;
  background: var(--brand-white);
  border-bottom: 1px solid var(--border);
}
.trust-band .row {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: center;
  gap: 32px 48px;
  color: var(--text-muted);
  font-size: 0.85rem; letter-spacing: 0.04em;
}
.trust-band .row strong { color: var(--brand-navy); }

/* ---------- FAQ accordion ---------- */
.faq-item {
  border-bottom: 1px solid var(--border);
  padding: 4px 0;
}
.faq-item summary {
  cursor: pointer;
  padding: 20px 0;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1.08rem;
  color: var(--brand-navy);
  list-style: none;
  display: flex; justify-content: space-between; align-items: center;
  transition: color 0.15s ease;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+';
  font-family: var(--font-display);
  font-size: 1.6rem;
  color: var(--brand-blue);
  transition: transform 0.2s ease;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item summary:hover { color: var(--brand-blue); }
.faq-item .answer {
  padding: 0 0 24px;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ---------- Process timeline ---------- */
.process {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  position: relative;
}
.process::before {
  content: '';
  position: absolute;
  top: 36px;
  left: 8%;
  right: 8%;
  height: 2px;
  background: linear-gradient(90deg, var(--brand-blue), var(--brand-cyan));
}
.process-step {
  text-align: center;
  position: relative;
  padding: 0 16px;
}
.process-step .step-num {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--brand-white);
  border: 3px solid var(--brand-blue);
  color: var(--brand-blue);
  font-family: var(--font-display);
  font-size: 1.5rem;
  display: grid;
  place-items: center;
  margin: 0 auto 18px;
  position: relative;
  z-index: 2;
}
.process-step h3 { font-size: 1.1rem; margin-bottom: 0.4em; }
.process-step p { font-size: 0.92rem; color: var(--text-muted); margin: 0; }
.dark .process-step .step-num { background: var(--brand-navy); }
.dark .process-step p { color: var(--text-on-dark-muted); }
@media (max-width: 880px) {
  .process { grid-template-columns: repeat(2, 1fr); gap: 32px; }
  .process::before { display: none; }
}
@media (max-width: 500px) { .process { grid-template-columns: 1fr; } }


/* Card links - keep card visual identical, just make it clickable */
.card-link { display:block; text-decoration:none; color:inherit; }
.card-link:hover .card { transform: translateY(-2px); box-shadow: 0 6px 24px rgba(10,132,255,0.15); transition: all 0.2s ease; }
.card-link .card { transition: all 0.2s ease; }