/* Neuronal Regeneration Division — shared styles */

:root {
  --bg: #07111e;
  --bg-soft: #0d1b2e;
  --bg-elev: #112137;
  --line: rgba(212, 175, 122, 0.18);
  --line-strong: rgba(212, 175, 122, 0.4);
  --text: #f4f1ea;
  --text-dim: #b9c3d0;
  --text-mute: #8593a5;
  --bhiag: #2196f3;
  --bhiag-deep: #0d47a1;
  --gold: #d4af7a;
  --gold-soft: #e8caa0;
  --danger: #e85b5b;
  --radius: 14px;
  --radius-lg: 22px;
  --maxw: 1180px;
  --shadow: 0 30px 80px rgba(0, 0, 0, 0.4);
  --font-serif: "Playfair Display", "Cormorant Garamond", Georgia, serif;
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  scroll-behavior: smooth;
}

body {
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(33, 150, 243, 0.12), transparent 60%),
    radial-gradient(800px 500px at -10% 30%, rgba(212, 175, 122, 0.08), transparent 60%),
    var(--bg);
  min-height: 100vh;
  overflow-x: hidden;
}

a { color: var(--gold-soft); text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--gold); }

img { max-width: 100%; height: auto; display: block; }

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0 0 .4em;
  color: var(--text);
}
h1 { font-size: clamp(2.2rem, 5vw, 4.2rem); line-height: 1.05; }
h2 { font-size: clamp(1.7rem, 3.4vw, 2.8rem); line-height: 1.15; }
h3 { font-size: clamp(1.2rem, 2vw, 1.55rem); line-height: 1.25; }

p { margin: 0 0 1em; color: var(--text-dim); }

/* ---- Layout ---- */
.container { max-width: var(--maxw); margin: 0 auto; padding: 0 28px; }
section { padding: 96px 0; position: relative; }
section.tight { padding: 64px 0; }

.eyebrow {
  font-family: var(--font-sans);
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-size: 0.75rem;
  color: var(--gold);
  margin-bottom: 1.2rem;
  display: inline-block;
}

.divider {
  width: 64px;
  height: 1px;
  background: linear-gradient(90deg, var(--gold), transparent);
  margin: 24px 0;
}

/* ---- Header ---- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(7, 17, 30, 0.78);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px 28px;
  max-width: var(--maxw);
  margin: 0 auto;
}
.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--text);
}
.brand-mark {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: white;
  display: grid;
  place-items: center;
  overflow: hidden;
  box-shadow: 0 8px 20px rgba(33, 150, 243, 0.25);
}
.brand-mark img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 4px;
}
.brand-text { line-height: 1.05; }
.brand-text .b1 {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  letter-spacing: 0.04em;
}
.brand-text .b2 {
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
  font-size: 0.9rem;
}
.nav-links a { color: var(--text-dim); }
.nav-links a:hover { color: var(--gold); }
.lang-toggle {
  display: inline-flex;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  overflow: hidden;
  font-size: 0.78rem;
}
.lang-toggle button {
  background: transparent;
  border: 0;
  color: var(--text-dim);
  padding: 6px 12px;
  cursor: pointer;
  font-family: var(--font-sans);
  letter-spacing: 0.1em;
}
.lang-toggle button.active {
  background: var(--gold);
  color: #1a1a1a;
  font-weight: 600;
}

/* ---- Hero ---- */
.hero {
  padding: 120px 0 80px;
  position: relative;
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: center;
}
.hero h1 small {
  display: block;
  font-family: var(--font-sans);
  text-transform: uppercase;
  letter-spacing: 0.3em;
  font-size: 0.78rem;
  color: var(--gold);
  margin-bottom: 18px;
  font-weight: 500;
}
.hero p.lede {
  font-size: 1.2rem;
  color: var(--text-dim);
  max-width: 56ch;
}
.hero-cta { display: flex; gap: 14px; margin-top: 28px; flex-wrap: wrap; }

.hero-visual {
  position: relative;
  aspect-ratio: 4/5;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  background: var(--bg-elev);
}
.hero-visual img { width: 100%; height: 100%; object-fit: cover; opacity: 0.92; }
.hero-visual::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 30%, rgba(7, 17, 30, 0.7) 100%);
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 26px;
  border-radius: 999px;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform .15s ease, box-shadow .25s ease, background .25s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  background: var(--gold);
  color: #1a1a1a;
  box-shadow: 0 10px 30px rgba(212, 175, 122, 0.25);
}
.btn-primary:hover { background: var(--gold-soft); color: #1a1a1a; }
.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--line-strong);
}
.btn-ghost:hover { border-color: var(--gold); color: var(--gold); }
.btn-blue {
  background: linear-gradient(135deg, var(--bhiag-deep), var(--bhiag));
  color: white;
  box-shadow: 0 10px 30px rgba(33, 150, 243, 0.3);
}
.btn-blue:hover { color: white; }

/* ---- Hub doors ---- */
.doors {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  margin-top: 56px;
}
.door {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--bg-soft);
  min-height: 460px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 36px;
  text-decoration: none;
  color: var(--text);
  transition: transform .35s ease, border-color .35s ease, box-shadow .35s ease;
}
.door:hover {
  transform: translateY(-6px);
  border-color: var(--gold);
  box-shadow: 0 30px 70px rgba(0,0,0,0.5);
}
.door-bg {
  position: absolute; inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0.32;
  transition: opacity .35s ease, transform .8s ease;
}
.door:hover .door-bg { opacity: 0.5; transform: scale(1.04); }
.door::before {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(7,17,30,0.2) 0%, rgba(7,17,30,0.95) 90%);
}
.door-inner { position: relative; z-index: 2; }
.door-label {
  font-size: 0.74rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 10px;
}
.door h3 { font-size: 1.9rem; margin-bottom: 10px; }
.door p { color: var(--text-dim); margin-bottom: 18px; }
.door-arrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--gold-soft);
  font-size: 0.92rem;
  letter-spacing: 0.06em;
}
.door:hover .door-arrow { color: var(--gold); }

/* ---- Pillar bar ---- */
.pillar-bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 22px 36px;
  padding: 28px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  font-family: var(--font-sans);
  font-size: 0.82rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--text-mute);
}
.pillar-bar span.active { color: var(--gold); }

/* ---- Grids ---- */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
}
.grid-protocols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.card {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  transition: border-color .25s ease, transform .25s ease;
}
.card:hover { border-color: var(--gold); transform: translateY(-3px); }
.card .num {
  font-family: var(--font-serif);
  color: var(--gold);
  font-size: 1.1rem;
  letter-spacing: 0.18em;
  margin-bottom: 8px;
  display: block;
}
.card h3 { font-size: 1.15rem; margin-bottom: 6px; }
.card p { font-size: 0.93rem; margin: 0; color: var(--text-dim); }

/* ---- Promise cards (D2C) ---- */
.promise {
  text-align: center;
  padding: 36px 24px;
}
.promise .pnum {
  font-family: var(--font-serif);
  color: var(--gold);
  font-size: 2.4rem;
  line-height: 1;
  margin-bottom: 14px;
}
.promise h3 { font-size: 1.4rem; }

/* ---- Doctor block ---- */
.doctor {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 48px;
  align-items: center;
  background: linear-gradient(135deg, var(--bg-soft), rgba(13,71,161,0.18));
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 48px;
}
.doctor-photo {
  aspect-ratio: 3/4;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line-strong);
}
.doctor-photo img { width: 100%; height: 100%; object-fit: cover; }
.doctor .title {
  font-family: var(--font-serif);
  font-size: 1.8rem;
}
.doctor .creds {
  color: var(--gold-soft);
  font-size: 0.95rem;
  margin-top: 4px;
  margin-bottom: 16px;
  letter-spacing: 0.05em;
}

/* ---- Chess strip ---- */
.chess-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-top: 24px;
}
.chess-figure {
  aspect-ratio: 3/4;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  position: relative;
  background: var(--bg-elev);
}
.chess-figure img {
  width: 100%; height: 100%; object-fit: cover;
  filter: grayscale(0.2) contrast(1.05);
  transition: transform .6s ease, filter .4s ease;
}
.chess-figure:hover img { transform: scale(1.05); filter: grayscale(0) contrast(1.1); }
.chess-figure .caption {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 14px 16px;
  background: linear-gradient(180deg, transparent, rgba(7,17,30,0.92));
  font-size: 0.85rem;
  color: var(--text);
}
.chess-figure .caption small {
  display: block;
  color: var(--gold);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-size: 0.66rem;
  margin-bottom: 3px;
}

/* ---- B2B audience pills ---- */
.audience {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 12px;
}
.audience span {
  border: 1px solid var(--line-strong);
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 0.85rem;
  color: var(--text-dim);
  letter-spacing: 0.04em;
}

/* ---- Numbers row ---- */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 32px;
}
.stats .stat .n {
  font-family: var(--font-serif);
  font-size: 2.4rem;
  color: var(--gold);
  line-height: 1;
}
.stats .stat .l {
  font-size: 0.82rem;
  color: var(--text-mute);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  margin-top: 6px;
}

/* ---- Forms ---- */
.form-wrap {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 40px;
}
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.form-grid .full { grid-column: 1 / -1; }
label {
  display: block;
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 8px;
}
input, select, textarea {
  width: 100%;
  padding: 14px 16px;
  background: var(--bg);
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 0.95rem;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(212, 175, 122, 0.18);
}
textarea { min-height: 130px; resize: vertical; }

/* ---- Masters callout ---- */
.masters {
  background:
    radial-gradient(600px 300px at 100% 0%, rgba(33, 150, 243, 0.22), transparent 70%),
    linear-gradient(135deg, var(--bg-soft), rgba(13, 71, 161, 0.25));
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  padding: 56px;
  position: relative;
  overflow: hidden;
}
.masters .ribbon {
  position: absolute;
  top: 24px; right: 24px;
  background: var(--gold);
  color: #1a1a1a;
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 999px;
  font-weight: 600;
}
.masters h2 { color: var(--text); }

/* ---- Footer ---- */
footer {
  border-top: 1px solid var(--line);
  padding: 56px 0 32px;
  margin-top: 64px;
  color: var(--text-mute);
}
footer .container {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 36px;
}
footer h4 {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 16px;
}
footer ul { list-style: none; padding: 0; margin: 0; }
footer li { margin-bottom: 8px; }
footer a { color: var(--text-dim); font-size: 0.9rem; }
.footer-bottom {
  border-top: 1px solid var(--line);
  margin-top: 32px;
  padding-top: 18px;
  display: flex;
  justify-content: space-between;
  font-size: 0.78rem;
  color: var(--text-mute);
}

/* ---- Credentials block (Dr. Jaime full bio) ---- */
.credentials {
  background: linear-gradient(180deg, var(--bg-soft), rgba(13, 71, 161, 0.08));
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 56px;
  margin-top: 32px;
}
.legal-name {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  color: var(--gold-soft);
  letter-spacing: 0.04em;
  margin: 0 0 24px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}
.roles-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  margin-bottom: 36px;
}
.role-cell {
  background: rgba(7, 17, 30, 0.4);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 20px;
}
.role-cell .rolelabel {
  display: block;
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 6px;
}
.role-cell strong {
  display: block;
  font-size: 1rem;
  color: var(--text);
  margin-bottom: 4px;
}
.role-cell .role-desc {
  font-size: 0.88rem;
  color: var(--text-dim);
  line-height: 1.5;
}

.cred-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 24px;
}
.cred-cell {
  background: rgba(7, 17, 30, 0.55);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 20px;
  transition: border-color .2s ease;
}
.cred-cell:hover { border-color: var(--gold); }
.cred-cell .credyear {
  display: inline-block;
  font-family: var(--font-serif);
  font-size: 0.82rem;
  letter-spacing: 0.14em;
  color: var(--gold);
  background: rgba(212, 175, 122, 0.08);
  border: 1px solid rgba(212, 175, 122, 0.3);
  border-radius: 999px;
  padding: 3px 12px;
  margin-bottom: 10px;
}
.cred-cell h4 {
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
  margin: 0 0 4px;
  letter-spacing: 0.01em;
  line-height: 1.3;
}
.cred-cell .credinst {
  font-size: 0.82rem;
  color: var(--text-mute);
  letter-spacing: 0.02em;
}

.subsection-title {
  font-family: var(--font-sans);
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-size: 0.78rem;
  color: var(--gold);
  margin: 36px 0 14px;
  display: block;
}

.societies {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.society {
  display: inline-flex;
  flex-direction: column;
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  padding: 10px 16px;
  background: rgba(7, 17, 30, 0.4);
  font-size: 0.88rem;
}
.society strong { color: var(--text); letter-spacing: 0.05em; }
.society small { color: var(--text-mute); font-size: 0.72rem; margin-top: 2px; }

.expertise-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.expertise-list li {
  display: flex;
  gap: 14px;
  padding: 18px 20px;
  border-left: 2px solid var(--gold);
  background: rgba(7, 17, 30, 0.4);
  border-radius: 0 var(--radius) var(--radius) 0;
}
.expnum {
  font-family: var(--font-serif);
  color: var(--gold);
  font-size: 1.1rem;
  letter-spacing: 0.1em;
  flex-shrink: 0;
}
.expdesc strong {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  color: var(--text);
  margin-bottom: 4px;
}
.expdesc span {
  font-size: 0.85rem;
  color: var(--text-dim);
  line-height: 1.5;
}

.dr-quote {
  margin-top: 36px;
  padding: 28px 32px;
  border-left: 3px solid var(--gold);
  background: rgba(212, 175, 122, 0.06);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.05rem;
  color: var(--text);
  line-height: 1.55;
}
.dr-quote blockquote { margin: 0 0 12px; padding: 0; quotes: none; }
.dr-quote blockquote::before { content: "« "; color: var(--gold); }
.dr-quote blockquote::after { content: " »"; color: var(--gold); }
.dr-quote cite {
  display: block;
  font-family: var(--font-sans);
  font-style: normal;
  font-size: 0.82rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  margin-top: 6px;
}

/* ---- Trusted-through-decades strip ---- */
.trusted-strip {
  background: #f6f1e7;
  border: 1px solid rgba(212, 175, 122, 0.25);
  border-radius: var(--radius-lg);
  padding: 36px 28px 32px;
  text-align: center;
}
.trusted-strip .trusted-title {
  display: block;
  font-family: var(--font-sans);
  text-transform: uppercase;
  letter-spacing: 0.32em;
  font-size: 0.78rem;
  color: #6b6358;
  margin-bottom: 22px;
}
.trusted-strip img {
  display: block;
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  height: auto;
}
.trusted-grid {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 28px 44px;
  margin: 0 auto;
  max-width: 1100px;
}
.trusted-grid .partner-logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 64px;
  flex-shrink: 0;
  transition: transform .25s ease, filter .25s ease;
}
.trusted-grid .partner-logo:hover {
  transform: translateY(-2px);
}
.trusted-grid .partner-logo img {
  max-height: 100%;
  width: auto;
  max-width: 220px;
  object-fit: contain;
  display: block;
}
.trusted-grid .partner-logo.partner-tall img { max-height: 56px; }
.trusted-grid .partner-logo.partner-wide img { max-width: 260px; }
.trusted-grid .partner-logo.partner-square { height: 72px; }
.trusted-grid .partner-logo.partner-square img { max-height: 72px; max-width: 72px; }
.trusted-grid .partner-logo.partner-invert { filter: invert(1); }
.trusted-grid .partner-logo.partner-invert:hover { filter: invert(1); }

/* ---- Endorsement strip ---- */
.endorsed {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 28px;
  padding: 24px 32px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  margin-top: 28px;
}
.endorsed .label {
  font-size: 0.72rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--gold);
}
.endorsed .endorse-logo {
  background: white;
  padding: 8px 14px;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  height: 56px;
}
.endorsed .endorse-logo img { display: block; height: 100%; width: auto; object-fit: contain; }
.endorsed .endorse-logo--stamp { background: white; padding: 4px; }
.endorsed .endorse-logo--stamp img { height: 48px; width: 48px; }

/* ---- Misc ---- */
.glow {
  position: absolute;
  width: 480px; height: 480px;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.5;
  pointer-events: none;
  z-index: 0;
}
.glow.blue { background: rgba(33, 150, 243, 0.35); top: -120px; right: -100px; }
.glow.gold { background: rgba(212, 175, 122, 0.25); bottom: -180px; left: -100px; }

/* ================================================================
   RESPONSIVE — comprehensive system
   1024 = small desktop / large tablet
    880 = tablet portrait — collapse two-column layouts
    560 = phone — single column, tighter spacing
    380 = small phone — stacked CTAs, minimum chrome
   ================================================================ */

/* ---- Large tablet / small desktop ---- */
@media (max-width: 1024px) {
  section { padding: 80px 0; }
  section.tight { padding: 56px 0; }
  .hero { padding: 96px 0 64px; }
  .container { padding: 0 24px; }
  .grid-3, .grid-protocols { grid-template-columns: repeat(2, 1fr); }
  .cred-grid { grid-template-columns: repeat(2, 1fr); }
  .expertise-list { grid-template-columns: repeat(2, 1fr); }
  .trusted-grid { gap: 26px 36px; }
  .doctor { padding: 40px; }
  .masters { padding: 44px; }
  .credentials { padding: 44px; }
  .doors { gap: 22px; }
  .door { min-height: 420px; padding: 32px; }
}

/* ---- Tablet portrait — collapse to single column ---- */
@media (max-width: 880px) {
  section { padding: 64px 0; }
  section.tight { padding: 40px 0; }
  .hero { padding: 72px 0 48px; }

  .hero-grid { grid-template-columns: 1fr; gap: 36px; }
  .hero-visual { aspect-ratio: 16/10; max-width: 560px; margin: 0 auto; }

  .grid-2 { grid-template-columns: 1fr; gap: 28px; }
  .doctor { grid-template-columns: 1fr; gap: 28px; padding: 32px; text-align: left; }
  .doctor-photo { aspect-ratio: 4/3; max-width: 360px; margin: 0 auto; }

  .doors { grid-template-columns: 1fr; gap: 18px; }
  .door { min-height: 320px; padding: 28px; }
  .door h3 { font-size: 1.55rem; }

  .grid-3, .grid-protocols { grid-template-columns: repeat(2, 1fr); }
  .chess-strip { grid-template-columns: repeat(2, 1fr); }
  .stats { grid-template-columns: repeat(2, 1fr); gap: 22px; }

  footer .container { grid-template-columns: 1fr; gap: 24px; }
  .form-grid { grid-template-columns: 1fr; }
  .form-wrap { padding: 28px; }

  .masters { padding: 36px; }
  .masters .ribbon { top: 16px; right: 16px; font-size: 0.68rem; padding: 5px 11px; }

  .credentials { padding: 32px 24px; }
  .roles-grid { grid-template-columns: 1fr; }
  .cred-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .expertise-list { grid-template-columns: 1fr; }

  .trusted-strip { padding: 28px 20px 24px; }
  .trusted-strip .trusted-title { letter-spacing: 0.26em; font-size: 0.74rem; }
  .trusted-grid { gap: 22px 30px; }
  .trusted-grid .partner-logo { height: 52px; }
  .trusted-grid .partner-logo img { max-width: 180px; }
  .trusted-grid .partner-logo.partner-wide img { max-width: 210px; }
  .trusted-grid .partner-logo.partner-square { height: 60px; }
  .trusted-grid .partner-logo.partner-square img { max-height: 60px; max-width: 60px; }

  .endorsed { gap: 22px; padding: 20px 22px; }
  .endorsed .endorse-logo { height: 48px; padding: 6px 12px; }
  .endorsed .endorse-logo--stamp img { height: 40px; width: 40px; }

  .nav-inner { padding: 14px 24px; gap: 14px; }
  .nav-links { gap: 16px; }
  .brand-text .b1 { font-size: 0.95rem; }
  .brand-text .b2 { font-size: 0.62rem; letter-spacing: 0.18em; }
}

/* ---- Phone ---- */
@media (max-width: 560px) {
  body {
    background:
      radial-gradient(800px 400px at 80% -10%, rgba(33, 150, 243, 0.10), transparent 60%),
      radial-gradient(600px 400px at -10% 30%, rgba(212, 175, 122, 0.07), transparent 60%),
      var(--bg);
  }
  section { padding: 56px 0; }
  section.tight { padding: 32px 0; }
  .hero { padding: 56px 0 40px; }
  .hero-grid { gap: 26px; }
  .hero-visual { aspect-ratio: 16/10; }

  .container { padding: 0 18px; }

  .nav-inner { padding: 11px 16px; gap: 10px; }
  .nav-links { gap: 10px; flex-wrap: wrap; justify-content: flex-end; row-gap: 6px; }
  .nav-links a:not(.lang-toggle *) { font-size: 0.76rem; }
  .brand { gap: 10px; }
  .brand-mark { width: 36px; height: 36px; }
  .brand-text .b1 { font-size: 0.84rem; }
  .brand-text .b2 { font-size: 0.56rem; letter-spacing: 0.14em; }
  .lang-toggle button { padding: 6px 10px; font-size: 0.72rem; }

  h1 { font-size: clamp(1.85rem, 7vw, 2.6rem); }
  h2 { font-size: clamp(1.5rem, 5.4vw, 2rem); }
  h3 { font-size: 1.15rem; }
  .hero p.lede { font-size: 1.02rem; }
  .eyebrow { font-size: 0.7rem; letter-spacing: 0.2em; margin-bottom: 0.9rem; }

  .grid-3, .grid-protocols { grid-template-columns: 1fr; gap: 14px; }
  .chess-strip { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .chess-figure .caption { font-size: 0.78rem; padding: 12px 14px; }
  .chess-figure .caption small { font-size: 0.6rem; }
  .stats { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .stats .stat .n { font-size: 1.9rem; }
  .stats .stat .l { font-size: 0.7rem; letter-spacing: 0.14em; }

  .doctor { padding: 24px; gap: 22px; }
  .doctor-photo { aspect-ratio: 3/4; max-width: 280px; }
  .doctor .title { font-size: 1.45rem; }
  .doctor .creds { font-size: 0.86rem; }

  .form-wrap { padding: 22px; }
  .masters { padding: 28px 22px; }
  .masters h2 { font-size: 1.55rem; }

  .credentials { padding: 24px 18px; }
  .legal-name { font-size: 0.94rem; padding-bottom: 12px; margin-bottom: 18px; }
  .cred-grid { grid-template-columns: 1fr; }
  .role-cell { padding: 14px 16px; }
  .role-cell strong { font-size: 0.94rem; }
  .cred-cell { padding: 14px 16px; }
  .cred-cell h4 { font-size: 0.9rem; }
  .societies { gap: 8px; }
  .society { padding: 8px 12px; font-size: 0.82rem; }
  .expertise-list li { padding: 14px 16px; }
  .expnum { font-size: 1rem; }
  .subsection-title { margin: 26px 0 12px; font-size: 0.72rem; letter-spacing: 0.18em; }
  .dr-quote { padding: 20px 22px; font-size: 0.98rem; }

  .pillar-bar { gap: 12px 22px; font-size: 0.68rem; letter-spacing: 0.22em; padding: 22px 0; }
  .audience { gap: 8px; }
  .audience span { font-size: 0.78rem; padding: 6px 12px; }

  .btn { padding: 12px 22px; font-size: 0.92rem; }
  .hero-cta { gap: 10px; }

  .door { min-height: 260px; padding: 24px; }
  .door h3 { font-size: 1.4rem; }
  .door p { font-size: 0.92rem; }

  .trusted-strip { padding: 22px 16px 20px; }
  .trusted-strip .trusted-title { font-size: 0.68rem; letter-spacing: 0.2em; margin-bottom: 16px; }
  .trusted-grid { gap: 18px 24px; }
  .trusted-grid .partner-logo { height: 42px; }
  .trusted-grid .partner-logo img { max-width: 130px; }
  .trusted-grid .partner-logo.partner-wide img { max-width: 160px; }
  .trusted-grid .partner-logo.partner-square { height: 50px; }
  .trusted-grid .partner-logo.partner-square img { max-height: 50px; max-width: 50px; }

  .endorsed { gap: 14px; padding: 16px 16px; }
  .endorsed .label { font-size: 0.64rem; letter-spacing: 0.18em; width: 100%; text-align: center; margin-bottom: 4px; }
  .endorsed .endorse-logo { height: 42px; padding: 5px 10px; }
  .endorsed .endorse-logo--stamp img { height: 34px; width: 34px; }

  .promise { padding: 24px 18px; }
  .promise .pnum { font-size: 2rem; margin-bottom: 10px; }

  input, select, textarea {
    font-size: 16px;          /* prevents iOS auto-zoom on focus */
    padding: 13px 14px;
  }
  textarea { min-height: 110px; }
  label { font-size: 0.72rem; letter-spacing: 0.14em; }

  footer { padding: 44px 0 28px; }
  footer .container { gap: 28px; }
  footer .footer-bottom { flex-direction: column; gap: 8px; text-align: center; padding-top: 16px; }

  .glow { width: 320px; height: 320px; filter: blur(80px); opacity: 0.45; }
}

/* ---- Small phone (iPhone SE, Galaxy A series) ---- */
@media (max-width: 380px) {
  .container { padding: 0 14px; }
  section { padding: 44px 0; }
  section.tight { padding: 24px 0; }
  .hero { padding: 44px 0 32px; }

  h1 { font-size: clamp(1.65rem, 8.5vw, 2.1rem); }
  h2 { font-size: 1.45rem; }

  .nav-inner { padding: 10px 12px; gap: 8px; }
  .brand-text { display: none; }
  .brand-mark { width: 34px; height: 34px; }
  .nav-links a:not(.lang-toggle *) { font-size: 0.7rem; }
  .lang-toggle button { padding: 5px 9px; font-size: 0.68rem; }

  .door { min-height: 220px; padding: 20px; }
  .door h3 { font-size: 1.25rem; }

  .chess-strip { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr; gap: 14px; }
  .stats .stat { text-align: center; }

  .trusted-grid { gap: 16px 22px; }
  .trusted-grid .partner-logo { height: 36px; }
  .trusted-grid .partner-logo img { max-width: 110px; }
  .trusted-grid .partner-logo.partner-wide img { max-width: 140px; }
  .trusted-grid .partner-logo.partner-square { height: 44px; }
  .trusted-grid .partner-logo.partner-square img { max-height: 44px; max-width: 44px; }

  .form-wrap { padding: 18px 14px; }
  .credentials { padding: 20px 14px; }
  .doctor { padding: 20px; }
  .masters { padding: 24px 18px; }

  .btn { padding: 11px 18px; font-size: 0.88rem; width: 100%; justify-content: center; }
  .hero-cta { flex-direction: column; align-items: stretch; }
  .hero-cta .btn { width: 100%; }
}