/* headacheMD® Network — shared location template styles
   Brand green #6B9B3A (theme-color) · light bg #f8f9fa · matches hmdHou clinical voice */

:root {
  --hmd-green: #6b9b3a;
  --hmd-green-dark: #557c2e;
  --hmd-green-soft: #eef3e6;
  /* Sampled from headachemd-houston-official.png fern/MD green */
  --hmd-fern: #829b3b;
  --hmd-logo-green: #829b3b;
  --hmd-tagline: #a5c422;
  --hmd-ink: #2c3e50;
  --hmd-muted: #5a6a7a;
  --hmd-bg: #f8f9fa;
  --hmd-white: #ffffff;
  --hmd-border: #e2e8ee;
  --hmd-radius: 8px;
  --hmd-max: 1100px;
  --font-sans: "Source Sans 3", "Segoe UI", system-ui, sans-serif;
  --font-logo: "Open Sans", "Source Sans 3", Arial, Helvetica, sans-serif;
  --font-display: "DM Serif Display", Georgia, "Times New Roman", serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--hmd-ink);
  background: var(--hmd-bg);
  background-image:
    radial-gradient(ellipse 80% 50% at 10% -10%, rgba(107, 155, 58, 0.12), transparent 55%),
    radial-gradient(ellipse 60% 40% at 100% 0%, rgba(130, 155, 59, 0.08), transparent 50%),
    linear-gradient(180deg, #f4f7f1 0%, var(--hmd-bg) 28%, #f0f3f6 100%);
  min-height: 100vh;
}

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

a {
  color: var(--hmd-green-dark);
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}

a:hover {
  color: var(--hmd-green);
}

.sr-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.sr-only-focusable:focus {
  position: fixed !important;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 10000;
  width: auto !important;
  height: auto !important;
  margin: 0 !important;
  padding: 0.65rem 1rem !important;
  clip: auto !important;
  background: var(--hmd-green);
  color: #fff;
  border-radius: 4px;
  overflow: visible !important;
  white-space: normal !important;
}

.container {
  width: min(100% - 2rem, var(--hmd-max));
  margin-inline: auto;
}

/* ——— Nav ——— */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(248, 249, 250, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--hmd-border);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.5rem 0;
  flex-wrap: wrap;
  min-height: 100px;
}

/* Houston-pattern single-image lockup (no leaf+text composition) */
.navbar-brand {
  display: flex !important;
  align-items: center !important;
  padding: 0 8px !important;
  margin: 0 !important;
  height: auto !important;
  line-height: 1 !important;
  overflow: visible !important;
  text-decoration: none;
  max-width: min(100%, 475px);
}

.navbar-brand picture {
  display: block;
  line-height: 0;
}

.navbar-brand img {
  display: block;
  height: auto !important;
  width: auto !important;
  max-height: 100px !important;
  max-width: min(475px, calc(100vw - 2.5rem)) !important;
  margin: 0 !important;
  padding: 0 !important;
  object-fit: contain !important;
  object-position: left center !important;
}

@media (min-width: 900px) {
  .navbar {
    min-height: 140px;
    flex-wrap: nowrap;
  }
  .navbar-brand img {
    max-height: 130px !important;
  }
}

@media (max-width: 599px) {
  .navbar-brand img {
    max-height: 72px !important;
    max-width: min(320px, calc(100vw - 3rem)) !important;
  }
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1rem;
  list-style: none;
  margin: 0;
  padding: 0;
  align-items: center;
}

.nav-links a {
  color: var(--hmd-ink);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--hmd-green-dark);
}

.nav-tab-btns {
  display: inline-flex;
  border: 1px solid var(--hmd-border);
  border-radius: 999px;
  overflow: hidden;
  background: var(--hmd-white);
}

.nav-tab-btns button {
  border: 0;
  background: transparent;
  padding: 0.45rem 0.9rem;
  font: inherit;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--hmd-muted);
  cursor: pointer;
  min-height: 44px;
}

.nav-tab-btns button[aria-selected="true"] {
  background: var(--hmd-green);
  color: #fff;
}

.nav-tab-btns button:focus-visible {
  outline: 2px solid var(--hmd-green);
  outline-offset: 2px;
}

/* ——— Hero ——— */
.hero {
  padding: 2.5rem 0 2rem;
}

.hero__grid {
  display: grid;
  gap: 1.75rem;
}

@media (min-width: 900px) {
  .hero__grid {
    grid-template-columns: 1.4fr 1fr;
    align-items: start;
  }
}

.audience-tabs {
  display: inline-flex;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
}

.audience-tabs button {
  appearance: none;
  border: 2px solid var(--hmd-green);
  background: transparent;
  color: var(--hmd-green-dark);
  font: inherit;
  font-weight: 700;
  padding: 0.55rem 1.1rem;
  border-radius: 6px;
  cursor: pointer;
  min-height: 44px;
  transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.audience-tabs button[aria-selected="true"] {
  background: var(--hmd-green);
  color: #fff;
}

.audience-tabs button:hover {
  transform: translateY(-1px);
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.45rem);
  line-height: 1.2;
  margin: 0 0 1rem;
  font-weight: 400;
  color: var(--hmd-ink);
}

.brand-inline {
  color: var(--hmd-green);
}

.brand-inline .md {
  color: var(--hmd-ink);
  font-weight: 600;
}

.hero-lead {
  margin: 0 0 1rem;
  font-size: 1.08rem;
}

.status-banner {
  display: inline-block;
  margin: 0 0 1rem;
  padding: 0.4rem 0.85rem;
  background: var(--hmd-green-soft);
  color: var(--hmd-green-dark);
  border-radius: 4px;
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.02em;
}

.tagline-rhc {
  color: var(--hmd-tagline);
  font-style: italic;
}

sup {
  font-size: 0.55em;
  vertical-align: super;
  line-height: 0;
}

/* ——— Cards / panels (interaction containers only) ——— */
.panel {
  background: var(--hmd-white);
  border: 1px solid var(--hmd-border);
  border-radius: var(--hmd-radius);
  padding: 1.35rem 1.4rem;
  box-shadow: 0 1px 0 rgba(44, 62, 80, 0.04);
}

.panel h2 {
  margin: 0 0 0.85rem;
  font-size: 1.25rem;
}

.panel h3 {
  margin: 1rem 0 0.35rem;
  font-size: 1rem;
}

.hours-info p,
.contact-details p {
  margin: 0 0 0.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  min-height: 44px;
  padding: 0.55rem 1.15rem;
  border-radius: 6px;
  border: 0;
  font: inherit;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.15s ease;
}

.btn-primary {
  background: var(--hmd-green);
  color: #fff;
}

.btn-primary:hover {
  background: var(--hmd-green-dark);
  color: #fff;
  text-decoration: none;
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--hmd-green-dark);
  border: 1px solid var(--hmd-green);
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1rem;
}

/* ——— Sections ——— */
.section {
  padding: 2.5rem 0;
}

.section--alt {
  background: rgba(255, 255, 255, 0.55);
  border-block: 1px solid var(--hmd-border);
}

.section h2 {
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 3vw, 1.9rem);
  font-weight: 400;
  margin: 0 0 0.5rem;
}

.section-sub {
  margin: 0 0 1.5rem;
  color: var(--hmd-muted);
  max-width: 42rem;
}

.conditions-grid {
  display: grid;
  gap: 1rem;
}

@media (min-width: 700px) {
  .conditions-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.condition {
  padding: 1.15rem 1.2rem;
  border-left: 3px solid var(--hmd-green);
  background: var(--hmd-white);
  border-radius: 0 var(--hmd-radius) var(--hmd-radius) 0;
}

.condition h3 {
  margin: 0 0 0.4rem;
  font-size: 1.1rem;
}

.condition p {
  margin: 0;
  color: var(--hmd-muted);
  font-size: 0.98rem;
}

.faq details {
  background: var(--hmd-white);
  border: 1px solid var(--hmd-border);
  border-radius: var(--hmd-radius);
  padding: 0.85rem 1.1rem;
  margin-bottom: 0.65rem;
}

.faq summary {
  font-weight: 700;
  cursor: pointer;
  list-style: none;
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq summary::before {
  content: "+";
  display: inline-block;
  width: 1.25rem;
  color: var(--hmd-green);
  font-weight: 800;
}

.faq details[open] summary::before {
  content: "–";
}

.faq details p {
  margin: 0.65rem 0 0;
  color: var(--hmd-muted);
}

.network-block {
  display: grid;
  gap: 1rem;
}

@media (min-width: 800px) {
  .network-block {
    grid-template-columns: 1.2fr 1fr;
  }
}

.provider-note {
  display: grid;
  gap: 1rem;
}

@media (min-width: 700px) {
  .provider-note {
    grid-template-columns: auto 1fr;
    align-items: start;
  }
}

.provider-photo {
  width: 140px;
  height: 140px;
  object-fit: cover;
  border-radius: 50%;
  border: 3px solid var(--hmd-green-soft);
}

.benefits {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

.benefits li {
  padding-left: 1.4rem;
  position: relative;
}

.benefits li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: var(--hmd-green);
}

/* ——— Physician form ——— */
.form-grid {
  display: grid;
  gap: 0.85rem;
}

@media (min-width: 600px) {
  .form-grid--2 {
    grid-template-columns: 1fr 1fr;
  }
}

label {
  display: block;
  font-weight: 650;
  font-size: 0.9rem;
  margin-bottom: 0.3rem;
}

input,
textarea,
select {
  width: 100%;
  font: inherit;
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--hmd-border);
  border-radius: 6px;
  background: #fff;
  color: var(--hmd-ink);
  min-height: 44px;
}

textarea {
  min-height: 120px;
  resize: vertical;
}

input:focus,
textarea:focus {
  outline: 2px solid var(--hmd-green);
  outline-offset: 1px;
  border-color: var(--hmd-green);
}

.form-note {
  font-size: 0.9rem;
  color: var(--hmd-muted);
  margin-top: 0.75rem;
}

.tab-panel[hidden] {
  display: none !important;
}

/* ——— Footer ——— */
.site-footer {
  padding: 2rem 0 3rem;
  border-top: 1px solid var(--hmd-border);
  background: #eef1eb;
  font-size: 0.95rem;
  text-align: center;
}

.site-footer p {
  margin: 0 0 0.65rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  justify-content: center;
  margin-bottom: 0.75rem;
}

.footer-links a {
  text-decoration: none;
  font-weight: 600;
}

/* ——— Motion ——— */
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(12px);
    animation: rise 0.7s ease forwards;
  }

  .reveal-delay-1 {
    animation-delay: 0.12s;
  }

  .reveal-delay-2 {
    animation-delay: 0.24s;
  }

  .reveal-delay-3 {
    animation-delay: 0.36s;
  }

  @keyframes rise {
    to {
      opacity: 1;
      transform: none;
    }
  }
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    animation: none;
  }
}

.todo-placeholder {
  color: var(--hmd-muted);
  font-style: italic;
}