/* ============================================
   THE NEURO CLINIC — Design Tokens
   ============================================ */
:root,
[data-theme='light'] {
  /* Type scale */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.25rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 4.5rem);

  /* Spacing (4px system) */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Surfaces — cool clinical white, sharper contrast */
  --color-bg: #f5f7f9;
  --color-surface: #ffffff;
  --color-surface-2: #eef1f5;
  --color-surface-offset: #e5e9ef;
  --color-divider: #dde2e9;
  --color-border: #ccd3dc;

  /* Text — crisp charcoal-navy, clinical & authoritative */
  --color-text: #0f1620;
  --color-text-muted: #4c5666;
  --color-text-faint: #838da0;
  --color-text-inverse: #f5f7fa;

  /* Primary Accent — gold, drawn from the practice logo */
  --color-primary: #a5760f;
  --color-primary-hover: #8a620c;
  --color-primary-active: #6d4d09;
  --color-primary-highlight: #eee3c8;

  /* Deep navy — secondary brand surface (header/footer) */
  --color-navy: #0d1620;
  --color-navy-2: #16222f;

  /* Success / trust green (used sparingly) */
  --color-success: #3f7a4e;
  --color-success-highlight: #d9e9dc;

  --radius-sm: 0.375rem;
  --radius-md: 0.625rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;

  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  --shadow-sm: 0 1px 2px oklch(0.2 0.02 250 / 0.06);
  --shadow-md: 0 6px 20px oklch(0.2 0.02 250 / 0.09);
  --shadow-lg: 0 20px 48px oklch(0.2 0.02 250 / 0.14);

  --content-narrow: 640px;
  --content-default: 980px;
  --content-wide: 1240px;

  --font-display: 'Cabinet Grotesk', 'Segoe UI', sans-serif;
  --font-body: 'Satoshi', 'Segoe UI', sans-serif;
}

[data-theme='dark'] {
  --color-bg: #12181f;
  --color-surface: #171e26;
  --color-surface-2: #1c242d;
  --color-surface-offset: #212a34;
  --color-divider: #2b3542;
  --color-border: #384250;

  --color-text: #e9e6dc;
  --color-text-muted: #a2a8b2;
  --color-text-faint: #6c7481;
  --color-text-inverse: #f5f7fa; /* #14181d; */

  --color-primary: #d9ac52;
  --color-primary-hover: #e8bd6a;
  --color-primary-active: #f0cb84;
  --color-primary-highlight: #3a3222;

  --color-navy: #0c1319;
  --color-navy-2: #131c24;

  --color-success: #74b986;
  --color-success-highlight: #223327;

  --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.3);
  --shadow-md: 0 6px 20px oklch(0 0 0 / 0.35);
  --shadow-lg: 0 20px 48px oklch(0 0 0 / 0.5);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #12181f;
    --color-surface: #171e26;
    --color-surface-2: #1c242d;
    --color-surface-offset: #212a34;
    --color-divider: #2b3542;
    --color-border: #384250;
    --color-text: #e9e6dc;
    --color-text-muted: #a2a8b2;
    --color-text-faint: #6c7481;
    --color-text-inverse: #14181d;
    --color-primary: #d9ac52;
    --color-primary-hover: #e8bd6a;
    --color-primary-active: #f0cb84;
    --color-primary-highlight: #3a3222;
    --color-navy: #0c1319;
    --color-navy-2: #131c24;
    --color-success: #74b986;
    --color-success-highlight: #223327;
  }
}

/* ============================================
   LAYOUT PRIMITIVES
   ============================================ */
.wrap {
  width: 100%;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: clamp(var(--space-5), 4vw, var(--space-10));
}
.wrap--narrow {
  max-width: var(--content-narrow);
}
.wrap--default {
  max-width: var(--content-default);
}

section {
  padding-block: clamp(var(--space-16), 8vw, var(--space-24));
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-display);
  color: var(--color-text);
  letter-spacing: -0.01em;
}

.section-title {
  font-size: var(--text-2xl);
  font-weight: 600;
  margin-top: var(--space-3);
  max-width: 22ch;
}
.section-lede {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  margin-top: var(--space-4);
  max-width: 60ch;
}
.section-head {
  margin-bottom: clamp(var(--space-10), 5vw, var(--space-16));
}
.section-head.center {
  text-align: center;
  margin-inline: auto;
}
.section-head.center .section-lede {
  margin-inline: auto;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
  padding: var(--space-4) var(--space-6);
  border-radius: var(--radius-full);
  white-space: nowrap;
  min-height: 44px;
  line-height: 1;
  text-decoration: none;
}
.btn-primary {
  background: var(--color-primary);
  color: #1c1405;
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover {
  background: var(--color-primary-hover);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}
.btn-outline {
  background: transparent;
  color: var(--color-text-inverse);
  border: 1.5px solid color-mix(in oklab, var(--color-text-inverse) 40%, transparent);
}
.btn-outline:hover {
  border-color: var(--color-text-inverse);
  background: color-mix(in oklab, var(--color-text-inverse) 10%, transparent);
}
.btn-ghost {
  background: var(--color-surface-2);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}
.btn-ghost:hover {
  background: var(--color-surface-offset);
}

/* ============================================
   HEADER
   ============================================ */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in oklab, var(--color-bg) 88%, transparent);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--color-divider);
  transition:
    transform 0.3s cubic-bezier(0.16, 1, 0.3, 1),
    box-shadow 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.header--hidden {
  transform: translateY(-100%);
}
.header--scrolled {
  box-shadow: var(--shadow-sm);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  padding-block: var(--space-3);
}
.brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  flex-shrink: 0;
}
.brand img {
  height: 34px;
  width: auto;
}
.brand-name {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.1;
}
.brand-name small {
  display: block;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-text-muted);
  letter-spacing: 0.03em;
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}
.nav-links {
  display: flex;
  gap: var(--space-6);
}
.nav-links a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
}
.nav-links a:hover {
  color: var(--color-primary);
}
.header-cta {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
}
.theme-toggle:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  color: var(--color-text);
}

/* ============================================
   HERO
   ============================================ */
.hero {
  padding-block: clamp(var(--space-16), 10vw, var(--space-32)) clamp(var(--space-12), 6vw, var(--space-20));
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: -20% -10% auto auto;
  width: 640px;
  height: 640px;
  background: radial-gradient(circle, var(--color-primary-highlight) 0%, transparent 70%);
  opacity: 0.6;
  pointer-events: none;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(var(--space-10), 5vw, var(--space-20));
  align-items: center;
  position: relative;
}
.hero-copy h1 {
  font-size: var(--text-3xl);
  font-weight: 650;
  line-height: 1.05;
}
.hero-copy h1 em {
  font-style: normal;
  color: var(--color-primary);
}
.hero-copy p {
  margin-top: var(--space-6);
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 52ch;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-top: var(--space-8);
}
.hero-actions .btn-outline {
  color: var(--color-text);
  border-color: var(--color-border);
}
.hero-actions .btn-outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-8);
  margin-top: var(--space-12);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-divider);
}
.hero-meta-item {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
}
.hero-meta-item strong {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-text);
}
.hero-meta-item span {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.hero-visual {
  position: relative;
}
.hero-visual .frame {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  aspect-ratio: 4 / 5;
}
.hero-visual .frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
}
/* ============================================
   TRUST STRIP
   ============================================ */
.trust-strip {
  padding-block: var(--space-8);
  border-block: 1px solid var(--color-divider);
  background: var(--color-surface-2);
}
.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
  text-align: center;
}
.trust-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text-muted);
  letter-spacing: 0.02em;
}
.trust-item svg {
  color: var(--color-primary);
}

/* ============================================
   ABOUT / PHYSICIAN
   ============================================ */
.about-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(var(--space-10), 6vw, var(--space-20));
  align-items: center;
}
.about-photo {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  aspect-ratio: 3 / 4;
}
.about-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
}
.credentials {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-6);
}
.credential-pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  background: var(--color-primary-highlight);
  color: var(--color-primary-active);
}
.about-copy h2 {
  font-size: var(--text-xl);
}
.about-copy p {
  margin-top: var(--space-4);
  color: var(--color-text-muted);
}
.about-copy p + p {
  margin-top: var(--space-4);
}
.about-signature {
  margin-top: var(--space-8);
  display: flex;
  align-items: center;
  gap: var(--space-4);
}
.about-signature strong {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-base);
  color: var(--color-text);
}
.about-signature span {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* ============================================
   CONDITIONS GRID
   ============================================ */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}
.info-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
}
.info-card .icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--color-primary-highlight);
  color: var(--color-primary-active);
  margin-bottom: var(--space-4);
}
.info-card h3 {
  font-size: var(--text-base);
  font-weight: 650;
}
.info-card p {
  margin-top: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* ============================================
   PATIENT INFO
   ============================================ */
.patient-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}
.patient-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
}
.patient-card h3 {
  font-size: var(--text-lg);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.patient-card h3 svg {
  color: var(--color-primary);
  flex-shrink: 0;
}
.patient-card ul {
  margin-top: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.patient-card li {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
  padding-block: var(--space-2);
  border-bottom: 1px dashed var(--color-divider);
}
.patient-card li:last-child {
  border-bottom: none;
}
.patient-card li span:last-child {
  color: var(--color-text);
  font-weight: 600;
}
.patient-card p {
  margin-top: var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* ============================================
   CONTACT / LOCATION
   ============================================ */
.contact-section {
  background: var(--color-surface-2);
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(var(--space-10), 5vw, var(--space-16));
  align-items: stretch;
}
.contact-details {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}
.contact-row {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
}
.contact-row .icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--color-primary-highlight);
  color: var(--color-primary-active);
  flex-shrink: 0;
}
.contact-row h4 {
  font-size: var(--text-sm);
  font-weight: 650;
  color: var(--color-text);
}
.contact-row p,
.contact-row a {
  margin-top: 2px;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
}
.contact-row a:hover {
  color: var(--color-primary);
}
.map-frame {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  min-height: 340px;
}
.map-frame iframe {
  width: 100%;
  height: 100%;
  min-height: 340px;
  border: 0;
  display: block;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--color-navy-2);
  color: color-mix(in oklab, var(--color-text-inverse) 85%, transparent);
}
.footer-top {
  padding-block: clamp(var(--space-12), 6vw, var(--space-20));
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: var(--space-10);
}
.footer-brand .brand-name,
.footer-brand .brand-name small {
  color: var(--color-text-inverse);
}
.footer-brand p {
  margin-top: var(--space-4);
  font-size: var(--text-sm);
  color: color-mix(in oklab, var(--color-text-inverse) 60%, transparent);
  max-width: 34ch;
}
.footer-col h5 {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: color-mix(in oklab, var(--color-text-inverse) 55%, transparent);
  margin-bottom: var(--space-4);
}
.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.footer-col a {
  font-size: var(--text-sm);
  color: color-mix(in oklab, var(--color-text-inverse) 82%, transparent);
  text-decoration: none;
}
.footer-col a:hover {
  color: var(--color-primary);
}

/* Legal (Privacy Policy / Terms) */
.legal-section {
  border-top: 1px solid color-mix(in oklab, var(--color-text-inverse) 12%, transparent);
  padding-block: clamp(var(--space-10), 5vw, var(--space-16));
}
.legal-item {
  border-bottom: 1px solid color-mix(in oklab, var(--color-text-inverse) 12%, transparent);
}
.legal-item:first-child {
  border-top: 1px solid color-mix(in oklab, var(--color-text-inverse) 12%, transparent);
}
.legal-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-6);
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text-inverse);
}
.legal-item summary::-webkit-details-marker {
  display: none;
}
.legal-item summary .chev {
  transition: transform var(--transition-interactive);
  color: var(--color-primary);
  flex-shrink: 0;
}
.legal-item[open] summary .chev {
  transform: rotate(180deg);
}
.legal-body {
  padding-bottom: var(--space-8);
  color: color-mix(in oklab, var(--color-text-inverse) 68%, transparent);
  font-size: var(--text-sm);
  max-width: 80ch;
}
.legal-body h4 {
  color: var(--color-text-inverse);
  font-size: var(--text-base);
  margin-top: var(--space-5);
  margin-bottom: var(--space-2);
}
.legal-body h4:first-child {
  margin-top: 0;
}
.legal-body p {
  margin-bottom: var(--space-3);
  max-width: none;
}
.legal-body ul {
  margin: var(--space-2) 0 var(--space-3) var(--space-5);
  list-style: disc;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}
.legal-body strong {
  color: var(--color-text-inverse);
}
.legal-highlight {
  margin-top: var(--space-3);
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-md);
  background: color-mix(in oklab, var(--color-primary) 16%, transparent);
  border: 1px solid color-mix(in oklab, var(--color-primary) 35%, transparent);
  color: var(--color-text-inverse);
}

.footer-bottom {
  border-top: 1px solid color-mix(in oklab, var(--color-text-inverse) 12%, transparent);
  padding-block: var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
  font-size: var(--text-xs);
  color: color-mix(in oklab, var(--color-text-inverse) 55%, transparent);
}
.footer-bottom a {
  color: inherit;
  text-decoration: none;
}
.footer-bottom a:hover {
  color: var(--color-primary);
}
.footer-legal-links {
  display: flex;
  gap: var(--space-5);
}

/* Skip link */
.skip-link {
  position: absolute;
  top: -100px;
  left: var(--space-4);
  background: var(--color-primary);
  color: #1c1405;
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-md);
  z-index: 200;
  font-weight: 600;
  font-size: var(--text-sm);
}
.skip-link:focus {
  top: var(--space-4);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
  .hero-visual {
    order: -1;
    max-width: 420px;
    margin-inline: auto;
  }
  .about-grid {
    grid-template-columns: 1fr;
  }
  .about-photo {
    max-width: 380px;
    margin-inline: auto;
  }
  .card-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .patient-grid {
    grid-template-columns: 1fr 1fr;
  }
  .contact-grid {
    grid-template-columns: 1fr;
  }
  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links,
  .trust-strip {
    display: none;
  }
  .nav-links.nav-links--open {
    display: flex;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-divider);
    box-shadow: var(--shadow-md);
    padding: var(--space-2) clamp(var(--space-5), 4vw, var(--space-10)) var(--space-4);
  }
  .nav-links.nav-links--open a {
    padding-block: var(--space-3);
    border-bottom: 1px solid var(--color-divider);
  }
  .nav {
    position: relative;
  }
  .nav-toggle {
    display: flex;
  }
  .header-cta .btn-primary {
    padding-inline: var(--space-4);
  }
  .card-grid,
  .patient-grid {
    grid-template-columns: 1fr;
  }
  .footer-top {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
  .hero-copy h1 {
    font-size: var(--text-2xl);
  }
  .hero-meta {
    gap: var(--space-6);
  }
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}