/* Patient Notebook — original healthcare education design system
   Warm parchment + deep teal. Notebook-inspired structure, not a hospital portal. */

:root {
  --paper: #f4efe4;
  --paper-deep: #e8dfcf;
  --white: #fffdf8;
  --ink: #14282b;
  --ink-soft: #3c5558;
  --teal: #0e5c5a;
  --teal-deep: #0a3f3e;
  --teal-bright: #1a7a76;
  --seafoam: #c5e4d8;
  --sky: #c9dce8;
  --mint: #8fcbb3;
  --line: #d4c6ae;
  --shadow: 0 18px 40px rgba(20, 40, 43, 0.12);
  --radius-card: 28px 10px 28px 10px;
  --radius-pill: 999px;
  --header-h: 4.5rem;
  --font-display: "Bricolage Grotesque", Georgia, serif;
  --font-body: "Atkinson Hyperlegible", "Segoe UI", sans-serif;
  --space: clamp(1rem, 2vw, 1.75rem);
}

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

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  margin: 0;
  overflow-x: hidden;
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--ink);
  background:
    radial-gradient(circle at 12% 8%, rgba(197, 228, 216, 0.55), transparent 32%),
    radial-gradient(circle at 88% 12%, rgba(201, 220, 232, 0.45), transparent 28%),
    var(--paper);
}

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

a {
  color: var(--teal);
}

a:hover {
  color: var(--teal-deep);
}

h1,
h2,
h3,
.brand span,
.btn {
  font-family: var(--font-display);
}

h1,
h2,
h3 {
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--teal-deep);
}

h1 {
  font-size: clamp(2.15rem, 5vw, 4rem);
  margin: 0 0 1rem;
}

h2 {
  font-size: clamp(1.7rem, 3.2vw, 2.6rem);
  margin: 0 0 0.75rem;
}

h3 {
  font-size: 1.2rem;
  margin: 0 0 0.5rem;
}

p {
  margin: 0 0 1rem;
}

p:last-child {
  margin-bottom: 0;
}

ul,
ol {
  margin: 0;
  padding: 0;
}

.container {
  width: min(1120px, calc(100% - 2rem));
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  background: var(--teal-deep);
  color: var(--white);
  padding: 0.6rem 1rem;
  border-radius: 0.4rem;
  z-index: 1000;
}

.skip-link:focus {
  top: 1rem;
}

.eyebrow {
  display: inline-block;
  margin: 0 0 0.75rem;
  padding: 0.2rem 0.75rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  background: var(--white);
  color: var(--teal);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.eyebrow-light {
  background: transparent;
  border-color: rgba(255, 253, 248, 0.35);
  color: var(--seafoam);
}

.section-intro {
  max-width: 40rem;
  margin-bottom: 2.5rem;
}

.section-intro p {
  color: var(--ink-soft);
}

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 70;
  background: rgba(244, 239, 228, 0.88);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.site-header.is-scrolled {
  border-bottom-color: var(--line);
  box-shadow: 0 8px 24px rgba(20, 40, 43, 0.06);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-h);
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: var(--teal-deep);
  font-weight: 800;
  font-size: 1.05rem;
}

.brand img {
  width: 40px;
  height: 40px;
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.primary-nav ul {
  display: flex;
  gap: 1.15rem;
  list-style: none;
}

.primary-nav a {
  text-decoration: none;
  color: var(--ink);
  font-weight: 700;
  font-size: 0.95rem;
}

.primary-nav a:hover,
.primary-nav a:focus-visible {
  color: var(--teal);
}

.nav-toggle {
  display: none;
  width: 2.75rem;
  height: 2.75rem;
  border: 1px solid var(--line);
  border-radius: 0.85rem;
  background: var(--white);
  color: var(--teal-deep);
  cursor: pointer;
}

.nav-toggle .icon-close {
  display: none;
}

.nav-toggle[aria-expanded="true"] .icon-open {
  display: none;
}

.nav-toggle[aria-expanded="true"] .icon-close {
  display: block;
}

.nav-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(10, 63, 62, 0.35);
  z-index: 40;
}

/* Buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.35rem;
  border: 0;
  border-radius: 999px 999px 999px 14px;
  background: var(--teal);
  color: var(--white);
  text-decoration: none;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.2s ease, background 0.2s ease;
}

.btn:hover,
.btn:focus-visible {
  background: var(--teal-deep);
  color: var(--white);
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--teal-deep);
  box-shadow: inset 0 0 0 2px var(--teal);
}

.btn-ghost:hover,
.btn-ghost:focus-visible {
  background: var(--seafoam);
  color: var(--teal-deep);
}

.btn-small {
  padding: 0.55rem 1rem;
  font-size: 0.92rem;
}

.btn-on-dark {
  background: var(--seafoam);
  color: var(--teal-deep);
}

.btn-on-dark:hover,
.btn-on-dark:focus-visible {
  background: var(--white);
  color: var(--teal-deep);
}

/* Hero — offset notebook layout */

.hero {
  padding: 3rem 0 4.5rem;
  background-image: radial-gradient(var(--line) 1px, transparent 1px);
  background-size: 22px 22px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 3rem;
  align-items: center;
}

.lede {
  font-size: 1.15rem;
  color: var(--ink-soft);
  max-width: 38rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin: 1.5rem 0 1.25rem;
}

.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1.2rem;
  list-style: none;
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.trust-row li {
  position: relative;
  padding-left: 1.1rem;
}

.trust-row li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.45rem;
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: var(--mint);
}

.hero-visual {
  margin: 0;
  padding: 1rem;
  overflow: hidden;
  background: linear-gradient(160deg, var(--seafoam), var(--sky));
  border-radius: 3rem 1rem 3rem 1rem;
  box-shadow: var(--shadow);
}

.hero-visual--photo {
  padding: 0.7rem;
}

.hero-photo-wrap {
  position: relative;
}

.hero-visual--photo img {
  width: 100%;
  height: min(28rem, 62vw);
  object-fit: cover;
  object-position: center 20%;
  border-radius: 2.4rem 0.7rem 2.4rem 0.7rem;
}

.btn-pay {
  position: absolute;
  left: 50%;
  bottom: 1.15rem;
  z-index: 2;
  transform: translateX(-50%);
  background: #fffdf8;
  color: var(--teal-deep);
  box-shadow: 0 12px 28px rgba(10, 63, 62, 0.28);
  white-space: nowrap;
}

.btn-pay:hover,
.btn-pay:focus-visible {
  background: var(--teal-deep);
  color: var(--white);
  transform: translateX(-50%) translateY(-2px);
}

.hero-visual--photo figcaption {
  padding: 0.85rem 1rem 1rem;
  color: var(--teal-deep);
  font-size: 0.95rem;
}

/* Features bento */

.features,
.resources,
.testimonials,
.faq,
.contact,
.how {
  padding: 4.5rem 0;
}

.bento {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.1rem;
}

.feature-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  padding: 1.4rem 1.3rem 1.5rem;
  box-shadow: 0 10px 0 var(--paper-deep);
}

.feature-card--wide {
  grid-column: span 2;
  background:
    linear-gradient(120deg, rgba(197, 228, 216, 0.45), transparent 55%),
    var(--white);
}

.feature-card--accent {
  background: var(--teal);
  color: var(--white);
  border-color: var(--teal);
}

.feature-card--accent h3,
.feature-card--accent p {
  color: var(--white);
}

.icon-chip {
  width: 3.4rem;
  height: 3.4rem;
  display: grid;
  place-items: center;
  margin-bottom: 0.9rem;
  background: var(--paper);
  border-radius: 1rem;
}

.feature-card--accent .icon-chip {
  background: rgba(255, 253, 248, 0.12);
}

/* How it works */

.how {
  background: var(--white);
  border-block: 1px solid var(--line);
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  list-style: none;
  counter-reset: none;
}

.step {
  position: relative;
  padding: 1.25rem;
  background: var(--paper);
  border-radius: 1.5rem;
}

.step-index {
  display: inline-block;
  margin-bottom: 0.75rem;
  font-family: var(--font-display);
  font-weight: 800;
  color: var(--teal);
  letter-spacing: 0.08em;
}

.step img {
  width: 100%;
  margin-bottom: 1rem;
  border-radius: 1rem;
  background: var(--white);
}

.photo-band {
  padding: 0 0 4.5rem;
}

.photo-band-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 2rem;
  align-items: center;
}

.photo-frame {
  margin: 0;
  overflow: hidden;
  border-radius: 2rem 0.6rem 2rem 0.6rem;
  box-shadow: var(--shadow);
}

.photo-frame img {
  width: 100%;
  height: min(26rem, 56vw);
  object-fit: cover;
  object-position: center 30%;
}

.photo-band-copy {
  padding: 0.5rem 0;
}

/* Benefits — dark journal band */

.benefits {
  padding: 4.75rem 0;
  background:
    linear-gradient(165deg, var(--teal-deep), var(--teal));
  color: var(--white);
}

.benefits h2 {
  color: var(--white);
}

.benefits-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 2.5rem;
  align-items: start;
}

.benefit-list {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.benefit-list li {
  padding: 1.2rem;
  background: rgba(255, 253, 248, 0.08);
  border: 1px solid rgba(255, 253, 248, 0.14);
  border-radius: 1.25rem 0.4rem 1.25rem 0.4rem;
}

.benefit-list strong {
  display: block;
  margin-bottom: 0.4rem;
  font-family: var(--font-display);
  font-size: 1.05rem;
}

.benefit-list span {
  color: rgba(255, 253, 248, 0.82);
  font-size: 0.98rem;
}

/* Resources */

.resource-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.1rem;
}

.resource-card {
  padding: 1.5rem;
  background: var(--white);
  border-top: 10px solid var(--teal);
  border-radius: 0 0 1.5rem 1.5rem;
  box-shadow: var(--shadow);
}

.resource-card img {
  margin-bottom: 0.85rem;
}

/* Testimonials */

.quote-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  grid-template-rows: auto auto;
  gap: 1.1rem;
}

.quote {
  margin: 0;
  padding: 1.4rem;
  background: var(--white);
  border-radius: 1.5rem;
  border: 1px solid var(--line);
}

.quote--featured {
  grid-row: span 2;
  background: var(--sky);
  border: 0;
}

.quote blockquote {
  margin: 0 0 1.1rem;
}

.quote p {
  font-size: 1.05rem;
}

.quote figcaption {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.quote figcaption img {
  width: 48px;
  height: 48px;
  border-radius: 50%;
}

.quote cite {
  font-style: normal;
  font-weight: 700;
  display: block;
}

.quote figcaption span {
  color: var(--ink-soft);
  font-size: 0.9rem;
}

/* CTA band */

.cta-band {
  padding: 0 0 4.5rem;
}

.cta-band-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
  padding: 2rem 2.2rem;
  background: var(--teal);
  color: var(--white);
  border-radius: 2rem 0.6rem 2rem 0.6rem;
}

.cta-band h2,
.cta-band p {
  color: var(--white);
}

.cta-band p {
  max-width: 36rem;
  opacity: 0.9;
}

/* FAQ */

.faq {
  background: var(--white);
  border-top: 1px solid var(--line);
}

.faq-layout {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 2.5rem;
  align-items: start;
}

.accordion-item {
  border-bottom: 1px solid var(--line);
}

.accordion-item h3 {
  margin: 0;
}

.accordion-trigger {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1.1rem 0;
  border: 0;
  background: transparent;
  color: var(--teal-deep);
  font-family: var(--font-display);
  font-size: 1.08rem;
  font-weight: 700;
  text-align: left;
  cursor: pointer;
}

.accordion-icon {
  flex: 0 0 1.4rem;
  height: 1.4rem;
  position: relative;
}

.accordion-icon::before,
.accordion-icon::after {
  content: "";
  position: absolute;
  inset: 50% 0 auto;
  height: 2px;
  background: var(--teal);
  transform: translateY(-50%);
}

.accordion-icon::after {
  transform: translateY(-50%) rotate(90deg);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.accordion-trigger[aria-expanded="true"] .accordion-icon::after {
  opacity: 0;
}

.accordion-panel {
  padding: 0 0 1.1rem;
  color: var(--ink-soft);
}

/* Contact */

.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 2rem;
}

.contact-meta {
  list-style: none;
  margin-top: 1.5rem;
  display: grid;
  gap: 1rem;
}

.contact-meta span {
  display: block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--teal);
}

.contact-form {
  padding: 1.5rem;
  background: var(--white);
  border-radius: var(--radius-card);
  border: 1px solid var(--line);
  display: grid;
  gap: 1rem;
}

.field {
  display: grid;
  gap: 0.35rem;
}

.field label {
  font-weight: 700;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 0.75rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: 0.7rem;
  background: var(--paper);
  color: var(--ink);
  font: inherit;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: 3px solid var(--mint);
  outline-offset: 1px;
  border-color: var(--teal);
}

.field.is-invalid input,
.field.is-invalid select,
.field.is-invalid textarea {
  border-color: #9a3b2f;
}

.field-error {
  color: #9a3b2f;
  font-size: 0.88rem;
}

.form-status {
  min-height: 1.4rem;
  color: var(--teal);
  font-weight: 700;
}

/* Footer */

.site-footer {
  background: var(--teal-deep);
  color: rgba(255, 253, 248, 0.86);
  padding: 3rem 0 1.5rem;
}

.site-footer .brand,
.site-footer a,
.site-footer h3 {
  color: var(--white);
}

.site-footer a {
  text-decoration: none;
}

.site-footer a:hover,
.site-footer a:focus-visible {
  text-decoration: underline;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.8fr 1fr;
  gap: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid rgba(255, 253, 248, 0.12);
}

.footer-grid ul {
  list-style: none;
  display: grid;
  gap: 0.4rem;
}

.footer-grid h3 {
  font-size: 0.95rem;
  margin-bottom: 0.8rem;
}

.footer-base {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 1.1rem;
  font-size: 0.9rem;
}

.legal-page {
  padding: 4rem 0 5rem;
}

.legal-page article {
  max-width: 46rem;
  background: var(--white);
  padding: 2rem;
  border-radius: 1.5rem;
  border: 1px solid var(--line);
}

/* Motion */

.reveal {
  opacity: 0;
  transform: translateY(18px);
  animation: none;
}

.hero .reveal,
.reveal.is-visible {
  opacity: 1;
  transform: none;
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.hero .reveal {
  transition: none;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .reveal,
  .reveal.is-visible,
  .btn {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .btn-pay,
  .btn-pay:hover,
  .btn-pay:focus-visible {
    transform: translateX(-50%);
  }
}

/* Focus */

:focus-visible {
  outline: 3px solid var(--mint);
  outline-offset: 3px;
}

/* Responsive */

@media (max-width: 960px) {
  .hero-grid,
  .benefits-grid,
  .faq-layout,
  .contact-grid,
  .footer-grid,
  .quote-grid,
  .photo-band-grid {
    grid-template-columns: 1fr;
  }

  .bento,
  .steps,
  .resource-grid,
  .benefit-list {
    grid-template-columns: 1fr 1fr;
  }

  .feature-card--wide,
  .quote--featured {
    grid-column: auto;
    grid-row: auto;
  }

  .cta-band-inner,
  .footer-base {
    flex-direction: column;
    align-items: flex-start;
  }

  .nav-toggle {
    display: grid;
    place-items: center;
    z-index: 80;
  }

  .primary-nav {
    position: fixed;
    top: var(--header-h);
    right: 0;
    width: min(22rem, 86vw);
    height: calc(100dvh - var(--header-h));
    padding: 1.5rem 1.5rem 2rem;
    background: var(--white);
    flex-direction: column;
    align-items: stretch;
    gap: 1.5rem;
    transform: translateX(110%);
    transition: transform 0.28s ease;
    z-index: 55;
    box-shadow: var(--shadow);
  }

  .primary-nav .btn {
    width: 100%;
    border-radius: 999px;
  }

  .primary-nav.is-open {
    transform: none;
  }

  .primary-nav ul {
    flex-direction: column;
    gap: 0.2rem;
  }

  .primary-nav a {
    display: block;
    padding: 0.7rem 0.2rem;
    font-size: 1.15rem;
  }

  body.nav-open {
    overflow: hidden;
  }
}

@media (max-width: 640px) {
  .bento,
  .steps,
  .resource-grid,
  .benefit-list {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 1.5rem;
  }

  .hero-visual {
    border-radius: 2rem 0.8rem;
  }

  .hero-visual--photo img,
  .photo-frame img {
    height: 16.5rem;
  }

  .btn-pay {
    padding: 0.7rem 1.1rem;
    font-size: 0.95rem;
  }
}

/* Pay bills guide — same flow as a simple how-to article */

.guide-body {
  background: #ffffff;
  min-height: 100vh;
}

.guide-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: #ffffff;
  border-bottom: 1px solid #e6e6e6;
}

.guide-header-inner {
  position: relative;
  width: min(920px, calc(100% - 2rem));
  margin: 0 auto;
  min-height: 5.5rem;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  justify-content: flex-end;
  gap: 0.15rem;
  padding-top: 1.1rem;
}

.guide-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--teal-deep);
  text-decoration: none;
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 800;
  font-style: italic;
}

.guide-nav {
  position: static;
  transform: none;
}

.guide-nav a {
  display: inline-block;
  padding: 0.85rem 0.2rem 0.7rem;
  color: var(--ink);
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.82rem;
  border-bottom: 2px solid transparent;
}

.guide-nav a.is-current,
.guide-nav a:hover,
.guide-nav a:focus-visible {
  border-bottom-color: var(--ink);
  color: var(--ink);
}

.guide-main {
  padding: 3rem 0 4rem;
}

.guide-article {
  width: min(720px, calc(100% - 2.4rem));
  margin: 0 auto;
  color: #5b6570;
  font-size: 1.05rem;
}

.guide-article h1,
.guide-article h2 {
  color: #2d343c;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-weight: 800;
}

.guide-article h1 {
  font-size: clamp(1.35rem, 3vw, 1.7rem);
  margin-bottom: 1.35rem;
}

.guide-article h2 {
  font-size: 1.15rem;
  margin: 2rem 0 0.9rem;
  text-transform: none;
  letter-spacing: 0;
}

.guide-benefits {
  list-style: none;
  display: grid;
  gap: 0.45rem;
  margin-bottom: 1.5rem;
}

.guide-steps {
  margin: 0 0 1.5rem 1.2rem;
  display: grid;
  gap: 0.55rem;
}

.guide-footer {
  border-top: 1px solid #e6e6e6;
  padding: 1.4rem 1rem 2rem;
  text-align: center;
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.guide-footer a {
  color: var(--ink);
  font-weight: 700;
  text-decoration: none;
  margin-right: 1rem;
}

.guide-footer a:hover {
  text-decoration: underline;
}

@media (max-width: 640px) {
  .guide-header-inner {
    align-items: flex-end;
    min-height: auto;
    padding: 0.85rem 0 0;
  }
}