/*
Theme Name: Synapses Neurology
Theme URI: https://synapsesneurology.com
Author: Synapses Neurology
Author URI: https://synapsesneurology.com
Description: Custom WordPress theme for Synapses Neurology – epilepsy and clinical neurophysiology practice in Richmond, VA.
Version: 1.0.0
Requires at least: 6.0
Requires PHP: 8.0
License: Proprietary
Text Domain: synapses-neurology
*/

/* ============================================================
   CSS CUSTOM PROPERTIES
   ============================================================ */
:root {
  --purple:       #6b21a8;
  --purple-dark:  #581c87;
  --purple-mid:   #7e22ce;
  --purple-vivid: #9333ea;
  --purple-light: #f3e8ff;
  --purple-pale:  #e9d5ff;
  --purple-soft:  #d8b4fe;
  --gold:         #b8860b;
  --gold-dark:    #9a7209;
  --white:        #ffffff;
  --gray-bg:      #f8fafc;
  --text:         #1e293b;
  --muted:        #64748b;
  --border:       #e2e8f0;
  --font-sans:    'Inter', 'Helvetica Neue', Arial, sans-serif;
  --font-serif:   'Playfair Display', Georgia, serif;
  --radius:       10px;
  --shadow-sm:    0 2px 12px rgba(0,0,0,0.07);
  --shadow-md:    0 6px 24px rgba(0,0,0,0.12);
  --transition:   0.22s ease;
}

/* ============================================================
   RESET & BASE
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
main { display: block; margin: 0; padding: 0; }
body {
  font-family: var(--font-sans);
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ============================================================
   TYPOGRAPHY SCALE
   ============================================================ */
h1, h2, h3, h4, h5 { font-family: var(--font-serif); line-height: 1.2; color: var(--purple-dark); }
h1 { font-size: clamp(2rem, 5vw, 3rem); font-weight: 700; }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.2rem); font-weight: 600; }
h3 { font-size: clamp(1.1rem, 2.5vw, 1.35rem); font-weight: 600; }
h4 { font-size: 1rem; font-weight: 600; }
p  { font-size: clamp(0.9rem, 1.8vw, 1rem); line-height: 1.8; color: var(--muted); }

/* ============================================================
   LAYOUT UTILITIES
   ============================================================ */
.container {
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 clamp(1rem, 4vw, 2.5rem);
}
.section-label {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--purple-vivid);
  margin-bottom: 0.4rem;
  font-weight: 600;
}
.section-title {
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  color: var(--purple-dark);
  margin-bottom: 0.5rem;
}
.section-divider {
  width: 56px;
  height: 4px;
  background: var(--purple-vivid);
  border-radius: 2px;
  margin-bottom: 2.5rem;
}
section { padding: clamp(3rem, 8vw, 5.5rem) 0; }
#home   { padding: 0; }

/* ============================================================
   NAVIGATION
   ============================================================ */
#site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: var(--purple);
  box-shadow: 0 2px 16px rgba(0,0,0,0.25);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  gap: 1rem;
}
.nav-logo img {
  height: clamp(38px, 6vw, 52px);
  width: auto;
  object-fit: contain;
}
.nav-menu {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2.5vw, 2rem);
}
.nav-menu a {
  color: rgba(255,255,255,0.9);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  padding: 0.3rem 0;
  border-bottom: 2px solid transparent;
  transition: color var(--transition), border-color var(--transition);
  white-space: nowrap;
}
.nav-menu a:hover { color: var(--purple-soft); border-bottom-color: var(--purple-soft); }
.nav-menu .nav-cta {
  background: var(--gold);
  color: #fff;
  padding: 0.55rem 1.2rem;
  border-radius: 5px;
  border-bottom: none;
  font-weight: 700;
  font-size: 0.88rem;
  transition: background var(--transition);
}
.nav-menu .nav-cta:hover { background: var(--gold-dark); color: #fff; border-bottom: none; }

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  padding: 4px;
  background: rgba(255,255,255,0.12);
  border-radius: 6px;
  transition: background var(--transition);
}
.nav-toggle span {
  display: block;
  height: 2.5px;
  background: #fff;
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* ============================================================
   HERO
   ============================================================ */
#hero {
  background: linear-gradient(135deg, var(--purple) 0%, var(--purple-dark) 55%, var(--purple-mid) 100%);
  padding: clamp(3.5rem, 10vw, 6rem) 0;
  min-height: clamp(460px, 75vh, 700px);
  display: flex;
  align-items: center;
}
.hero-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: clamp(2rem, 5vw, 4rem);
  flex-wrap: wrap;
}
.hero-text { flex: 1; min-width: min(280px, 100%); }
.hero-badge {
  display: inline-block;
  background: rgba(255,255,255,0.15);
  backdrop-filter: blur(4px);
  color: var(--purple-soft);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 700;
  padding: 0.35rem 1rem;
  border-radius: 20px;
  border: 1px solid rgba(255,255,255,0.2);
  margin-bottom: 1.2rem;
}
.hero-text h1 {
  color: #fff;
  font-size: clamp(1.9rem, 5vw, 3rem);
  font-weight: 700;
  margin-bottom: 0.6rem;
  line-height: 1.15;
}
.hero-text h1 span { color: var(--purple-soft); }
.hero-subtitle {
  color: var(--purple-pale);
  font-size: clamp(0.92rem, 2vw, 1.05rem);
  line-height: 1.75;
  margin-bottom: 2rem;
  max-width: 560px;
}
.hero-ctas { display: flex; gap: 1rem; flex-wrap: wrap; }
.btn-primary {
  display: inline-block;
  background: var(--gold);
  color: #fff;
  padding: 0.85rem 2rem;
  border-radius: 6px;
  font-weight: 700;
  font-size: 0.95rem;
  transition: background var(--transition), transform var(--transition);
  white-space: nowrap;
}
.btn-primary:hover { background: var(--gold-dark); transform: translateY(-1px); }
.btn-outline {
  display: inline-block;
  border: 2px solid var(--purple-soft);
  color: var(--purple-soft);
  padding: 0.83rem 1.8rem;
  border-radius: 6px;
  font-weight: 700;
  font-size: 0.95rem;
  transition: all var(--transition);
  white-space: nowrap;
}
.btn-outline:hover { background: var(--purple-soft); color: var(--purple-dark); }
.hero-logo {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-logo img {
  width: clamp(200px, 30vw, 340px);
  height: auto;
  filter: drop-shadow(0 8px 32px rgba(0,0,0,0.45)) brightness(1.1);
}

/* ============================================================
   EPILEPSY CARE
   ============================================================ */
#epilepsy { background: var(--gray-bg); }
.epilepsy-intro {
  font-size: clamp(0.95rem, 1.8vw, 1.08rem);
  line-height: 1.85;
  color: var(--muted);
  max-width: 760px;
  margin-bottom: 3rem;
}
.ep-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(260px, 100%), 1fr));
  gap: 1.4rem;
  margin-bottom: 3rem;
}
.ep-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: clamp(1.2rem, 3vw, 1.8rem);
  border-left: 4px solid var(--purple-vivid);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}
.ep-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.ep-icon { font-size: 1.9rem; margin-bottom: 0.75rem; }
.ep-card h3 { font-size: 1.05rem; color: var(--purple-dark); margin-bottom: 0.4rem; }
.ep-card p  { font-size: 0.88rem; line-height: 1.65; }

/* Neuromodulation box */
.neuromod-box {
  background: linear-gradient(135deg, var(--purple) 0%, var(--purple-mid) 100%);
  border-radius: 14px;
  padding: clamp(1.8rem, 4vw, 2.8rem);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2.5rem;
  align-items: start;
}
.neuromod-box h3 { color: var(--purple-soft); font-size: clamp(1.15rem, 2.5vw, 1.45rem); margin-bottom: 0.8rem; }
.neuromod-box p  { color: #c4b5fd; font-size: 0.93rem; line-height: 1.75; }
.neuromod-list-wrap { min-width: 200px; }
.neuromod-list-wrap h4 {
  color: var(--purple-soft);
  font-family: var(--font-sans);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}
.neuromod-list-wrap li {
  color: #fff;
  font-size: 0.93rem;
  padding: 0.38rem 0 0.38rem 1.2rem;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  position: relative;
}
.neuromod-list-wrap li::before { content: '→'; position: absolute; left: 0; color: var(--purple-soft); }

/* ============================================================
   ABOUT
   ============================================================ */
#about { background: var(--white); }
.about-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: clamp(2rem, 5vw, 3.5rem);
  align-items: start;
}
.about-photo img {
  width: 100%;
  aspect-ratio: 4/5;
  object-fit: cover;
  object-position: top;
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
}
.about-name {
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  color: var(--purple-dark);
  margin-bottom: 0.2rem;
}
.about-credentials {
  color: var(--purple-vivid);
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 1.2rem;
  line-height: 1.5;
}
.about-bio { font-size: 0.95rem; line-height: 1.8; margin-bottom: 1.6rem; }

/* Tabs */
.tab-nav {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 1.6rem;
  border-bottom: 2px solid var(--border);
  padding-bottom: 0.6rem;
}
.tab-btn {
  padding: 0.48rem 1.15rem;
  border-radius: 5px;
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--muted);
  background: var(--white);
  border: 1.5px solid var(--border);
  transition: all var(--transition);
}
.tab-btn.active, .tab-btn:hover {
  background: var(--purple-vivid);
  color: #fff;
  border-color: var(--purple-vivid);
}
.tab-pane { display: none; }
.tab-pane.active { display: block; }

/* Timeline */
.timeline { border-left: 3px solid var(--purple-pale); padding-left: 1.4rem; }
.tl-item { position: relative; padding: 0 0 1.6rem 0; }
.tl-item::before {
  content: '';
  position: absolute;
  left: -1.88rem;
  top: 0.35rem;
  width: 11px; height: 11px;
  border-radius: 50%;
  background: var(--purple-vivid);
  border: 2.5px solid var(--white);
  box-shadow: 0 0 0 2.5px var(--purple-vivid);
}
.tl-date { font-size: 0.73rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: var(--purple-vivid); margin-bottom: 0.15rem; }
.tl-title { font-family: var(--font-serif); font-size: 1rem; color: var(--purple-dark); font-weight: 600; margin-bottom: 0.1rem; }
.tl-org { font-size: 0.86rem; color: var(--purple-vivid); font-weight: 500; margin-bottom: 0.4rem; }
.tl-desc { font-size: 0.86rem; line-height: 1.65; color: var(--muted); }

/* Cert cards */
.cert-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 1rem; }
.cert-card {
  background: var(--purple-light);
  border-radius: var(--radius);
  padding: 1.3rem 1rem;
  text-align: center;
  border: 1px solid var(--purple-pale);
}
.cert-icon { font-size: 1.9rem; margin-bottom: 0.5rem; }
.cert-card h4 { font-size: 0.9rem; color: var(--purple-dark); margin-bottom: 0.2rem; font-family: var(--font-sans); }
.cert-card p  { font-size: 0.78rem; color: var(--muted); }

/* ============================================================
   CONTACT
   ============================================================ */
#contact { background: var(--gray-bg); }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: clamp(2rem, 5vw, 3.5rem);
  align-items: start;
}
.contact-info h3 { font-size: 1.3rem; color: var(--purple-dark); margin-bottom: 1.6rem; }
.contact-item { display: flex; gap: 1rem; margin-bottom: 1.4rem; align-items: flex-start; }
.ci-icon {
  width: 44px; height: 44px;
  background: var(--purple-vivid); color: #fff;
  border-radius: 9px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.ci-label {
  font-size: 0.72rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.1em; color: var(--muted); margin-bottom: 0.2rem;
}
.ci-value { font-size: 0.95rem; color: var(--text); line-height: 1.5; }
.ci-value a { color: var(--purple-vivid); font-weight: 500; }
.ci-value a:hover { text-decoration: underline; }

.hours-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  margin-top: 1.6rem;
}
.hours-card h4 {
  font-family: var(--font-sans);
  font-size: 0.75rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.1em; color: var(--muted); margin-bottom: 1rem;
}
.hours-row {
  display: flex; justify-content: space-between;
  font-size: 0.9rem;
  padding: 0.42rem 0;
  border-bottom: 1px solid var(--border);
  color: var(--text);
}
.hours-row:last-child { border-bottom: none; }
.open  { color: #16a34a; font-weight: 700; }
.closed { color: #ef4444; font-weight: 600; }

/* Contact Form */
.contact-form-wrap {
  background: var(--white);
  border-radius: 14px;
  padding: clamp(1.6rem, 4vw, 2.4rem);
  box-shadow: var(--shadow-md);
}
.contact-form-wrap h3 { font-size: 1.3rem; color: var(--purple-dark); margin-bottom: 1.6rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-group { margin-bottom: 1.1rem; }
.form-group label {
  display: block;
  font-size: 0.82rem; font-weight: 600; color: var(--muted);
  margin-bottom: 0.4rem; text-transform: uppercase; letter-spacing: 0.06em;
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.72rem 1rem;
  border: 1.5px solid var(--border);
  border-radius: 6px;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  color: var(--text);
  background: var(--white);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  appearance: none;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--purple-vivid);
  box-shadow: 0 0 0 3px rgba(147,51,234,0.12);
}
.form-group textarea { height: 120px; resize: vertical; }
.form-submit {
  width: 100%;
  background: var(--purple);
  color: #fff;
  padding: 1rem;
  border-radius: 6px;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  transition: background var(--transition), transform var(--transition);
  margin-top: 0.5rem;
}
.form-submit:hover { background: var(--purple-vivid); transform: translateY(-1px); }
.form-message {
  margin-top: 1rem;
  padding: 0.9rem 1rem;
  border-radius: 6px;
  font-size: 0.92rem;
  display: none;
}
.form-message.success { background: #dcfce7; color: #166534; border: 1px solid #bbf7d0; display: block; }
.form-message.error   { background: #fee2e2; color: #991b1b; border: 1px solid #fecaca; display: block; }

/* Field-level validation */
.form-group input.field-error,
.form-group textarea.field-error,
.form-group select.field-error {
  border-color: #dc2626;
  box-shadow: 0 0 0 3px rgba(220,38,38,0.12);
}
.field-error-msg {
  display: block;
  margin-top: 0.3rem;
  font-size: 0.8rem;
  color: #dc2626;
  font-weight: 500;
}

/* ============================================================
   FOOTER
   ============================================================ */
#site-footer {
  background: var(--purple-dark);
  color: #a78bfa;
  padding: clamp(2.5rem, 6vw, 4rem) 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: clamp(1.5rem, 4vw, 2.5rem);
  padding-bottom: 2.5rem;
}
.footer-logo img { height: 50px; width: auto; object-fit: contain; margin-bottom: 1rem; }
.footer-tagline { font-size: 0.88rem; line-height: 1.75; }
.footer-col h4 {
  color: #fff;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 1rem;
  font-weight: 700;
}
.footer-col li { margin-bottom: 0.5rem; }
.footer-col a { color: #a78bfa; font-size: 0.88rem; transition: color var(--transition); }
.footer-col a:hover { color: var(--purple-soft); }
.footer-col p { font-size: 0.88rem; line-height: 1.75; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 1.4rem 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.footer-bottom p { font-size: 0.82rem; color: #7c3aed; }
.footer-bottom p:last-child { color: #a78bfa; }

/* ============================================================
   SKIP LINK (ACCESSIBILITY)
   ============================================================ */
.skip-link {
  position: absolute; top: -40px; left: 0;
  background: var(--purple); color: #fff;
  padding: 0.5rem 1rem; z-index: 999;
  transition: top 0.2s;
}
.skip-link:focus { top: 0; }

/* ============================================================
   RESPONSIVE — TABLET (768px – 1024px)
   ============================================================ */
@media (max-width: 1024px) {
  .about-layout { grid-template-columns: 200px 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid  { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
  .neuromod-box { grid-template-columns: 1fr; }
  .neuromod-list-wrap { min-width: auto; }
}

/* ============================================================
   RESPONSIVE — MOBILE (≤ 767px)
   ============================================================ */
@media (max-width: 767px) {
  /* Nav */
  .nav-toggle { display: flex; }
  .nav-menu {
    display: none;
    position: absolute;
    top: 68px; left: 0; right: 0;
    background: var(--purple-dark);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0.5rem 0 1rem;
    box-shadow: 0 8px 24px rgba(0,0,0,0.3);
    z-index: 199;
  }
  .nav-menu.open { display: flex; }
  .nav-menu a:not(.nav-cta) {
    padding: 0.9rem 1.5rem;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    font-size: 1rem;
  }
  .nav-menu a:not(.nav-cta):hover { border-bottom-color: rgba(255,255,255,0.08); }
  .nav-menu .nav-cta {
    margin: 0.5rem 1rem;
    padding: 0.85rem 1rem;
    text-align: center;
    border-radius: 6px;
    display: block;
    border-bottom: none !important;
  }

  /* Hero */
  .hero-inner { flex-direction: column-reverse; text-align: center; }
  .hero-text { text-align: center; }
  .hero-subtitle { margin: 0 auto 2rem; }
  .hero-ctas { justify-content: center; }
  .hero-logo img { width: min(260px, 80vw); }

  /* About */
  .about-layout { grid-template-columns: 1fr; }
  .about-photo { max-width: 220px; margin: 0 auto; }

  /* Form row */
  .form-row { grid-template-columns: 1fr; }

  /* Footer */
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }

  /* Neuromod */
  .neuromod-box { padding: 1.6rem; }

  /* Tabs */
  .tab-nav { gap: 0.4rem; }
  .tab-btn { font-size: 0.8rem; padding: 0.4rem 0.9rem; }
}

/* ============================================================
   RESPONSIVE — SMALL MOBILE (≤ 480px)
   ============================================================ */
@media (max-width: 480px) {
  .ep-grid { grid-template-columns: 1fr; }
  .cert-grid { grid-template-columns: 1fr 1fr; }
  .hero-ctas { flex-direction: column; align-items: center; }
  .btn-primary, .btn-outline { width: 100%; text-align: center; }
}