/* ==========================================================================
   Purposeful Path — Main Stylesheet
   A warm, calm, highly readable design for a dementia consulting website.
   Accessibility and readability are the top priorities.
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Design tokens
   -------------------------------------------------------------------------- */
:root {
  /* Colors */
  --color-cream: #faf6ef;        /* page background */
  --color-cream-dark: #f3ecdf;   /* alternate section background */
  --color-white: #ffffff;        /* cards */
  --color-ink: #22423b;          /* deep forest green — primary text */
  --color-ink-soft: #3c5a52;     /* softer green for secondary text */
  --color-accent: #a05c3b;       /* warm clay accent (links, highlights) */
  --color-accent-dark: #7f4527;  /* accent hover / high-contrast use */
  --color-button: #22423b;       /* primary button background */
  --color-button-hover: #16302b;
  --color-border: #e0d6c4;
  --color-focus: #a05c3b;
  --color-error: #a03232;
  --color-success-bg: #eaf3ea;
  --color-success-border: #3c6e47;

  /* Typography */
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  --font-heading: Georgia, "Times New Roman", serif;

  --text-base: 1.25rem;      /* 20px body copy */
  --text-sm: 1.0625rem;      /* 17px — smallest text on the site */
  --text-lg: 1.375rem;       /* 22px */
  --text-xl: 1.625rem;       /* 26px */
  --text-2xl: 2rem;          /* 32px */
  --text-3xl: 2.625rem;      /* 42px */
  --leading: 1.65;

  /* Spacing */
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2rem;
  --space-5: 3rem;
  --space-6: 4.5rem;

  /* Layout */
  --max-width: 68rem;        /* 1088px */
  --max-width-text: 44rem;   /* comfortable reading measure */
  --radius: 12px;
  --radius-lg: 18px;
  --shadow: 0 2px 10px rgba(34, 66, 59, 0.08);
  --shadow-lg: 0 4px 20px rgba(34, 66, 59, 0.12);
}

/* --------------------------------------------------------------------------
   2. Base / reset
   -------------------------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading);
  color: var(--color-ink);
  background-color: var(--color-cream);
  -webkit-font-smoothing: antialiased;
}

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

h1,
h2,
h3,
h4 {
  font-family: var(--font-heading);
  line-height: 1.25;
  color: var(--color-ink);
  margin-top: 0;
}

h1 {
  font-size: var(--text-3xl);
  margin-bottom: var(--space-3);
}

h2 {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-2);
}

h3 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-1);
}

p,
ul,
ol {
  margin-top: 0;
  margin-bottom: var(--space-2);
}

li {
  margin-bottom: 0.4rem;
}

/* Links: always clearly recognizable */
a {
  color: var(--color-accent-dark);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 2px;
}

a:hover {
  color: var(--color-ink);
}

/* Strong, visible focus states for keyboard users */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 3px;
  border-radius: 4px;
}

/* --------------------------------------------------------------------------
   3. Layout helpers
   -------------------------------------------------------------------------- */
.container {
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-3);
  padding-right: var(--space-3);
}

.container--narrow {
  max-width: var(--max-width-text);
}

.section {
  padding-top: var(--space-6);
  padding-bottom: var(--space-6);
}

.section--alt {
  background-color: var(--color-cream-dark);
}

.section--white {
  background-color: var(--color-white);
}

.section-intro {
  max-width: var(--max-width-text);
  margin-bottom: var(--space-4);
}

.text-center {
  text-align: center;
}

/* Screen-reader-only text */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* Skip link — visible on keyboard focus */
.skip-link {
  position: absolute;
  top: -100px;
  left: var(--space-2);
  z-index: 100;
  background: var(--color-ink);
  color: var(--color-cream);
  padding: 0.9rem 1.4rem;
  border-radius: 0 0 var(--radius) var(--radius);
  font-weight: 700;
}

.skip-link:focus {
  top: 0;
  color: var(--color-cream);
}

/* --------------------------------------------------------------------------
   4. Buttons
   -------------------------------------------------------------------------- */
.btn {
  display: inline-block;
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 700;
  text-align: center;
  text-decoration: none;
  padding: 1rem 1.9rem;
  border-radius: var(--radius);
  border: 3px solid transparent;
  cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease;
}

.btn--primary {
  background-color: var(--color-button);
  color: var(--color-white);
  border-color: var(--color-button);
}

.btn--primary:hover {
  background-color: var(--color-button-hover);
  border-color: var(--color-button-hover);
  color: var(--color-white);
}

.btn--secondary {
  background-color: transparent;
  color: var(--color-ink);
  border-color: var(--color-ink);
}

.btn--secondary:hover {
  background-color: var(--color-ink);
  color: var(--color-white);
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-3);
}

/* --------------------------------------------------------------------------
   5. Header & navigation
   -------------------------------------------------------------------------- */
.site-header {
  background-color: var(--color-cream);
  border-bottom: 1px solid var(--color-border);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  padding-top: var(--space-2);
  padding-bottom: var(--space-2);
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--color-ink);
  flex-shrink: 0;
}

/* The logo file is a landscape lockup on a white background, so it is sized by
   height with an automatic width (never squeezed into a square) and given
   rounded corners so its white edge reads as a deliberate tile on the cream
   header. */
.site-logo img {
  height: 56px;
  width: auto;
  border-radius: 8px;
}

.site-logo__text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.site-logo__name {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
}

.site-logo__tagline {
  font-size: 0.95rem;
  color: var(--color-ink-soft);
}

/* Mobile nav toggle button */
.nav-toggle {
  display: none;
  background: none;
  border: 2px solid var(--color-ink);
  border-radius: var(--radius);
  color: var(--color-ink);
  font-size: var(--text-base);
  font-weight: 700;
  padding: 0.7rem 1.1rem;
  cursor: pointer;
  align-items: center;
  gap: 0.5rem;
}

.nav-toggle__icon {
  display: inline-block;
  width: 1.3rem;
}

.site-nav ul {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav a:not(.btn) {
  display: inline-block;
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-ink);
  text-decoration: none;
  padding: 0.7rem 0.8rem;
  border-radius: var(--radius);
}

.site-nav a:not(.btn):hover {
  background-color: var(--color-cream-dark);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.site-nav a[aria-current="page"] {
  text-decoration: underline;
  text-decoration-thickness: 3px;
  text-underline-offset: 6px;
  text-decoration-color: var(--color-accent);
}

.site-nav .btn {
  font-size: var(--text-sm);
  padding: 0.8rem 1.3rem;
}

@media (max-width: 900px) {
  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    display: none;
    width: 100%;
  }

  .site-nav.is-open {
    display: block;
  }

  .site-header__inner {
    flex-wrap: wrap;
  }

  .site-nav ul {
    flex-direction: column;
    align-items: stretch;
    gap: 0.25rem;
    padding-bottom: var(--space-2);
  }

  .site-nav a:not(.btn) {
    display: block;
    padding: 1rem;
    font-size: var(--text-lg);
    border-radius: var(--radius);
  }

  .site-nav .btn {
    display: block;
    margin-top: var(--space-1);
    font-size: var(--text-base);
  }
}

/* --------------------------------------------------------------------------
   6. Hero
   -------------------------------------------------------------------------- */
.hero {
  padding-top: var(--space-6);
  padding-bottom: var(--space-6);
}

.hero__inner {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: var(--space-5);
  align-items: center;
}

/* Prevent wide intrinsic content (images) from blowing out grid tracks */
.hero__inner > *,
.feature > * {
  min-width: 0;
}

.hero h1 {
  margin-bottom: var(--space-2);
}

.hero__lead {
  font-size: var(--text-lg);
  max-width: 34rem;
}

.hero__image img,
.hero__image svg {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
}

@media (max-width: 900px) {
  .hero__inner {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }

  .hero__image {
    order: -1;
    max-width: 30rem;
  }
}

/* --------------------------------------------------------------------------
   7. Cards
   -------------------------------------------------------------------------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15.5rem, 1fr));
  gap: var(--space-3);
}

/* Balanced 2x2 layout for four-card sections */
.card-grid--pairs {
  grid-template-columns: repeat(2, 1fr);
}

@media (max-width: 700px) {
  .card-grid--pairs {
    grid-template-columns: 1fr;
  }
}

.card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: var(--space-4);
}

.card h3 {
  margin-bottom: var(--space-1);
}

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

.card__icon {
  width: 56px;
  height: 56px;
  margin-bottom: var(--space-2);
  color: var(--color-accent);
}

/* Blog post cards */
.post-card {
  display: flex;
  flex-direction: column;
}

.post-card__meta {
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
  margin-bottom: var(--space-1);
}

.post-card__title {
  font-size: var(--text-xl);
}

.post-card__link {
  font-weight: 700;
  margin-top: auto;
}

/* --------------------------------------------------------------------------
   8. Two-column feature (photo + text)
   -------------------------------------------------------------------------- */
.feature {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: var(--space-5);
  align-items: center;
}

/* Portrait frame for the founder photo. The fixed aspect ratio reserves the
   space before the photo loads (no layout shift) and object-fit keeps any
   source proportions undistorted; the top anchor keeps faces in frame. */
.feature__image img,
.feature__image svg {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: center top;
}

@media (max-width: 900px) {
  .feature {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }

  .feature__image {
    max-width: 24rem;
  }
}

/* --------------------------------------------------------------------------
   9. CTA banner
   -------------------------------------------------------------------------- */
.cta-banner {
  background-color: var(--color-ink);
  color: var(--color-cream);
  text-align: center;
}

.cta-banner h2 {
  color: var(--color-cream);
}

.cta-banner p {
  font-size: var(--text-lg);
  max-width: var(--max-width-text);
  margin-left: auto;
  margin-right: auto;
}

.cta-banner .btn--primary {
  background-color: var(--color-cream);
  color: var(--color-ink);
  border-color: var(--color-cream);
}

.cta-banner .btn--primary:hover {
  background-color: var(--color-white);
  border-color: var(--color-white);
  color: var(--color-ink);
}

.cta-banner .btn--secondary {
  color: var(--color-cream);
  border-color: var(--color-cream);
}

.cta-banner .btn--secondary:hover {
  background-color: var(--color-cream);
  color: var(--color-ink);
}

.cta-banner .btn-group {
  justify-content: center;
}

.cta-banner a:not(.btn) {
  color: var(--color-cream);
}

/* --------------------------------------------------------------------------
   10. Callouts & disclaimers
   -------------------------------------------------------------------------- */
.callout {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-left: 6px solid var(--color-accent);
  border-radius: var(--radius);
  padding: var(--space-3) var(--space-4);
  max-width: var(--max-width-text);
}

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

/* --------------------------------------------------------------------------
   11. Forms
   -------------------------------------------------------------------------- */
.form-field {
  margin-bottom: var(--space-3);
}

.form-field label {
  display: block;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.form-field .field-hint {
  display: block;
  font-size: var(--text-sm);
  font-weight: 400;
  color: var(--color-ink-soft);
}

.form-field input,
.form-field textarea {
  width: 100%;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-ink);
  background-color: var(--color-white);
  border: 2px solid var(--color-ink-soft);
  border-radius: var(--radius);
  padding: 0.9rem 1rem;
}

.form-field input:focus,
.form-field textarea:focus {
  border-color: var(--color-accent);
}

.form-field.has-error input,
.form-field.has-error textarea {
  border-color: var(--color-error);
}

.field-error {
  display: none;
  color: var(--color-error);
  font-weight: 700;
  margin-top: 0.5rem;
}

.form-field.has-error .field-error {
  display: block;
}

.form-status {
  display: none;
  border-radius: var(--radius);
  padding: var(--space-3);
  margin-top: var(--space-3);
  font-weight: 600;
}

.form-status.is-visible {
  display: block;
}

.form-status--success {
  background-color: var(--color-success-bg);
  border: 2px solid var(--color-success-border);
  color: #24462c;
}

.form-status--error {
  background-color: #f7e9e9;
  border: 2px solid var(--color-error);
  color: var(--color-error);
}

/* --------------------------------------------------------------------------
   12. Blog article pages
   -------------------------------------------------------------------------- */
.article-header {
  padding-top: var(--space-5);
  padding-bottom: var(--space-4);
}

.article-meta {
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
  margin-bottom: var(--space-2);
}

.article-body {
  max-width: var(--max-width-text);
}

.article-body h2 {
  margin-top: var(--space-5);
}

.article-body h3 {
  margin-top: var(--space-4);
}

.article-body ul,
.article-body ol {
  padding-left: 1.4rem;
}

.article-body li {
  margin-bottom: 0.6rem;
}

/* Certification badge images */
.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  align-items: center;
  margin: var(--space-3) 0 var(--space-4);
}

.badge-row img {
  width: 150px;
  height: auto;
}

/* --------------------------------------------------------------------------
   13. Footer
   -------------------------------------------------------------------------- */
.site-footer {
  background-color: var(--color-ink);
  color: var(--color-cream);
  padding-top: var(--space-5);
  padding-bottom: var(--space-4);
  font-size: var(--text-sm);
}

.site-footer a {
  color: var(--color-cream);
  text-decoration-color: rgba(250, 246, 239, 0.6);
}

.site-footer a:hover {
  color: var(--color-white);
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}

.site-footer h2 {
  font-size: var(--text-lg);
  color: var(--color-cream);
  margin-bottom: var(--space-2);
}

.site-footer ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-footer li {
  margin-bottom: 0.7rem;
}

.site-footer .btn {
  margin-top: var(--space-2);
}

.site-footer__bottom {
  border-top: 1px solid rgba(250, 246, 239, 0.25);
  padding-top: var(--space-3);
}

.site-footer__disclaimer {
  max-width: var(--max-width-text);
  opacity: 0.9;
}

@media (max-width: 768px) {
  .site-footer__grid {
    grid-template-columns: 1fr;
  }
}

/* --------------------------------------------------------------------------
   14. Small screens: scale type down slightly, keep it readable
   -------------------------------------------------------------------------- */
@media (max-width: 600px) {
  :root {
    --text-base: 1.125rem;   /* 18px minimum body copy on mobile */
    --text-lg: 1.25rem;
    --text-xl: 1.4rem;
    --text-2xl: 1.7rem;
    --text-3xl: 2.1rem;
  }

  .section {
    padding-top: var(--space-5);
    padding-bottom: var(--space-5);
  }

  .hero {
    padding-top: var(--space-4);
    padding-bottom: var(--space-5);
  }

  .btn {
    display: block;
    width: 100%;
  }

  .btn-group {
    flex-direction: column;
  }
}