/* ============================================================
   Presentation Design Canvas — style.css
   Sibling site to britemind.io — same structure, distinct palette.
   Sections:
     1. Custom properties (design tokens)
     2. Reset
     3. Base elements
     4. Layout
     5. Components
     6. Kit form overrides
     7. Utilities
     8. Responsive
   ============================================================ */

/* ============================================================
   1. Custom properties
   ============================================================ */
:root {
  /* Colours — warmer than Britemind, same teal family */
  --color-bg:          #F5F0EB;
  --color-bg-warm:     #EDE4D8;
  --color-text:        #1A1A1A;
  --color-accent:      #3D8B8E;   /* lighter teal */
  --color-accent-dark: #2A6568;
  --color-cta:         #C8813A;   /* amber — download button only */
  --color-cta-dark:    #A86A2E;
  --color-muted:       #6B6B6B;
  --color-border:      #DDD5C8;

  /* Typography — same fonts as Britemind for brand coherence */
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body:    'Lora', Georgia, serif;

  /* Type scale */
  --size-xs:   0.75rem;
  --size-sm:   0.875rem;
  --size-md:   1rem;
  --size-lg:   1.25rem;
  --size-xl:   1.5rem;
  --size-2xl:  2rem;
  --size-3xl:  clamp(2rem, 5vw, 3.5rem);
  --size-hero: clamp(2.5rem, 6vw, 4.5rem);

  /* Spacing */
  --space-xs:  0.25rem;
  --space-sm:  0.5rem;
  --space-md:  1rem;
  --space-lg:  2rem;
  --space-xl:  4rem;
  --space-2xl: 6rem;

  /* Layout */
  --measure:    68ch;
  --site-width: 1100px;

  /* Components */
  --logo-height: 40px;
}

/* ============================================================
   2. Reset
   ============================================================ */
*, *::before, *::after {
  box-sizing: border-box;
}

body {
  margin: 0;
}

img, video {
  max-width: 100%;
  display: block;
}

h1, h2, h3, h4 {
  text-wrap: balance;
}

p {
  text-wrap: pretty;
}

/* ============================================================
   3. Base elements
   ============================================================ */
body {
  font-family: var(--font-body);
  font-size: var(--size-md);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  animation: fadeIn 0.4s ease both;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero h1 { animation: fadeIn 0.6s ease both; animation-delay: 0.05s; }
.hero p  { animation: fadeIn 0.6s ease both; animation-delay: 0.2s; }
.hero .button-primary { animation: fadeIn 0.6s ease both; animation-delay: 0.35s; }

h1 {
  font-family: var(--font-display);
  font-size: var(--size-hero);
  font-weight: 700;
  line-height: 1.15;
  margin-block: 0 var(--space-md);
}

h2 {
  font-family: var(--font-display);
  font-size: var(--size-2xl);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin-block: var(--space-lg) var(--space-sm);
}

h3 {
  font-family: var(--font-body);
  font-size: var(--size-lg);
  font-weight: 600;
  line-height: 1.4;
  margin-block: var(--space-md) var(--space-sm);
}

p {
  margin-block: 0 var(--space-md);
}

a {
  color: var(--color-accent);
  text-underline-offset: 3px;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--color-accent-dark);
}

blockquote {
  margin-inline: 0;
}

/* ============================================================
   4. Layout
   ============================================================ */

/* Body is the outermost grid */
body {
  display: grid;
  grid-template-rows: auto 1fr auto;
  min-height: 100vh;
}

/* Width constraint without wrapper divs */
main,
footer > * {
  max-width: var(--site-width);
  margin-inline: auto;
  padding-inline: var(--space-lg);
  width: 100%;
}

header {
  border-bottom: 1px solid var(--color-border);
  padding-block: var(--space-md);
  padding-inline: var(--space-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-md);
  background-color: var(--color-bg);
}

.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
}

.logo img {
  height: var(--logo-height);
  width: auto;
}

header nav {
  display: flex;
  gap: var(--space-lg);
}

header nav a {
  font-size: var(--size-md);
  font-weight: 600;
  text-decoration: none;
  color: var(--color-text);
  transition: color 0.2s ease;
}

header nav a:hover {
  color: var(--color-accent);
}

main {
  padding-block: var(--space-xl);
}

footer {
  background-color: var(--color-bg-warm);
  border-top: 1px solid var(--color-border);
  padding-block: var(--space-lg);
  padding-inline: var(--space-lg);
  text-align: center;
  font-size: var(--size-sm);
  color: var(--color-muted);
}

footer p {
  margin: 0 0 var(--space-xs);
  text-align: center;
}

footer a {
  color: var(--color-accent);
  font-weight: 600;
}

.copyright {
  font-size: var(--size-xs);
  color: var(--color-muted);
  letter-spacing: 0.04em;
}

/* ============================================================
   5. Components
   ============================================================ */

/* --- Hero --- */
.hero {
  background: linear-gradient(135deg, var(--color-bg-warm) 0%, var(--color-bg) 60%);
  margin-inline: calc(-1 * var(--space-lg));
  padding-inline: var(--space-lg);
  padding-block: var(--space-2xl);
  text-align: center;
}

.hero h1 {
  font-size: clamp(3.2rem, 9vw, 6.5rem);
  max-width: 14ch;
  margin-inline: auto;
  margin-block-end: var(--space-md);
  letter-spacing: -0.03em;
  line-height: 1.05;
}

.hero h1 em {
  font-style: italic;
  color: var(--color-accent);
}

.hero p {
  font-size: var(--size-lg);
  color: var(--color-muted);
  max-width: 48ch;
  margin-inline: auto;
  margin-block-end: var(--space-lg);
}

/* --- Primary button (amber CTA) --- */
.button-primary {
  display: inline-block;
  background-color: var(--color-cta);
  color: #fff;
  padding: 0.85rem 2.25rem;
  border-radius: 3px;
  text-decoration: none;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--size-md);
  letter-spacing: 0.02em;
  transition: background-color 0.2s ease, transform 0.15s ease;
}

.button-primary:hover {
  background-color: var(--color-cta-dark);
  color: #fff;
  transform: translateY(-1px);
}

/* --- Canvas preview --- */
.canvas-preview {
  display: flex;
  justify-content: center;
  padding-block: var(--space-xl);
}

.canvas-preview img {
  max-width: 640px;
  width: 100%;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

/* --- Download section --- */
#download {
  background-color: #fff;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: var(--space-xl);
  max-width: 560px;
  margin-inline: auto;
  text-align: center;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}

#download h2 {
  margin-block-start: 0;
  font-size: var(--size-xl);
}

.embed-placeholder {
  color: var(--color-muted);
  font-style: italic;
  margin-block: var(--space-md);
  padding: var(--space-lg);
  border: 1px dashed var(--color-border);
  border-radius: 3px;
}

.consent-note {
  font-size: var(--size-xs);
  color: var(--color-muted);
  margin-block-end: 0;
}

/* --- Pitch section --- */
.pitch {
  max-width: var(--measure);
  margin-inline: auto;
  padding-block: var(--space-xl);
}

.pitch h2 {
  margin-block-start: 0;
}

.pitch p {
  font-size: var(--size-lg);
  line-height: 1.8;
}

/* --- Testimonial --- */
blockquote.testimonial {
  text-align: center;
  padding-block: var(--space-xl);
  max-width: var(--measure);
  margin-inline: auto;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

blockquote.testimonial img {
  margin-inline: auto;
  margin-block-end: var(--space-md);
}

blockquote.testimonial p {
  font-family: var(--font-display);
  font-size: var(--size-xl);
  font-style: italic;
  color: var(--color-text);
  margin-block-end: var(--space-md);
}

blockquote.testimonial cite {
  font-style: normal;
  color: var(--color-muted);
  font-size: var(--size-sm);
  letter-spacing: 0.04em;
}

/* --- Privacy policy prose --- */
.prose {
  max-width: var(--measure);
  margin-inline: auto;
}

.prose h1 {
  font-size: var(--size-3xl);
  margin-block-end: var(--space-sm);
}

.prose .last-updated {
  color: var(--color-muted);
  font-size: var(--size-sm);
  margin-block-end: var(--space-xl);
}

.prose h2 {
  font-size: var(--size-xl);
  margin-block-start: var(--space-xl);
}

.prose p,
.prose li {
  font-size: 1.05rem;
  line-height: 1.85;
  color: #2E2E2E;
}

/* --- AI Canvas section --- */
.ai-canvas {
  padding-block: var(--space-xl);
  border-top: 1px solid var(--color-border);
}

.ai-canvas h2 {
  margin-block-start: 0;
  text-align: center;
}

.ai-canvas__lead {
  text-align: center;
  color: var(--color-muted);
  font-size: var(--size-lg);
  max-width: 56ch;
  margin-inline: auto;
  margin-block-end: var(--space-md);
}

.ai-canvas__terms {
  text-align: center;
  color: var(--color-muted);
  font-size: var(--size-sm);
  max-width: 56ch;
  margin-inline: auto;
  margin-block-end: var(--space-xl);
}

/* --- Canvas form --- */
.canvas-form {
  max-width: 640px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.canvas-form__field {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.canvas-form__field label {
  font-weight: 600;
  font-size: var(--size-lg);
  color: var(--color-text);
}

.canvas-form__field small {
  font-size: var(--size-xs);
  color: var(--color-muted);
}

.canvas-form input[type="text"],
.canvas-form input[type="email"],
.canvas-form textarea {
  border: 1px solid var(--color-border);
  border-radius: 3px;
  padding: 0.6rem 0.75rem;
  font-family: var(--font-body);
  font-size: var(--size-md);
  background: #fff;
  color: var(--color-text);
  width: 100%;
  transition: outline 0.15s ease;
  resize: vertical;
}

.canvas-form input:focus,
.canvas-form textarea:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.canvas-form .button-primary {
  align-self: flex-start;
  cursor: pointer;
  border: none;
}

.canvas-form .button-primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.canvas-form__field--name {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.canvas-form__field--consent {
  padding-block-start: var(--space-sm);
}

.canvas-form__field label.canvas-form__consent {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  font-family: var(--font-body);
  font-size: var(--size-sm);
  font-weight: normal;
  color: var(--color-muted);
  cursor: pointer;
  line-height: 1.5;
}

.canvas-form__consent input[type="checkbox"] {
  flex-shrink: 0;
  margin-top: 3px;
  width: 16px;
  height: 16px;
  cursor: pointer;
  accent-color: var(--color-accent);
}

.canvas-status {
  color: #c0392b;
  font-size: var(--size-sm);
  min-height: 1.4em;
  margin: 0;
}

/* --- Canvas output --- */

/* Title bar above the grid */
.canvas-titlebar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-block-start: var(--space-xl);
  margin-block-end: var(--space-md);
  gap: var(--space-md);
}

.canvas-title {
  font-family: var(--font-display);
  font-size: var(--size-xl);
  font-weight: 700;
  margin: 0;
}

.canvas-print-btn {
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: 3px;
  padding: 0.5rem 1rem;
  font-family: var(--font-body);
  font-size: var(--size-sm);
  font-weight: 600;
  color: var(--color-text);
  cursor: pointer;
  transition: border-color 0.2s ease, color 0.2s ease;
  white-space: nowrap;
  flex-shrink: 0;
}

.canvas-print-btn:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

/*
  Canvas grid — mirrors the real PDC layout:

  | purpose (full width)                                       |
  | key-message | opening | content | closing | audience       |
  |             | context (spans opening + content + closing)  |
  | intro (half)          | questions (half)                   |
*/
.canvas-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1.5fr 1fr 1fr;
  grid-template-rows: auto auto auto auto;
  grid-template-areas:
    "purpose   purpose   purpose   purpose   purpose"
    "key-msg   opening   content   closing   audience"
    "key-msg   context   context   context   audience"
    "intro     intro     intro     questions questions";
  border: 1px solid var(--color-border);
  border-radius: 6px;
  overflow: hidden;
  background: var(--color-border);
  gap: 1px;
  margin-block-end: var(--space-lg);
}

.canvas-cell {
  background: #fff;
  padding: var(--space-md);
}

.canvas-cell p,
.canvas-cell ol {
  margin: 0;
  font-size: var(--size-sm);
  line-height: 1.6;
}

.canvas-label {
  display: block;
  font-family: var(--font-display);
  font-size: var(--size-md);
  font-weight: 700;
  color: var(--color-text);
  border-bottom: 1px solid var(--color-border);
  padding-block-end: var(--space-xs);
  margin-block-end: var(--space-md);
}

/* Canvas cell colours — grouped by role:
   Teal tint  (#E6F0F0) = the core: key message + closing — what you want them to think/do
   Amber tint (#F5E9D8) = the inputs: audience + context — what you know going in
   Warm bg    = framing: purpose
   White      = execution: opening, content, intro, questions */
.canvas-cell--purpose     { grid-area: purpose;   background: var(--color-bg-warm); min-height: auto; }
.canvas-cell--key-message { grid-area: key-msg;   background: #E6F0F0; }
.canvas-cell--key-message__text {
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--size-md) !important;
}
.canvas-cell--opening     { grid-area: opening;   background: #fff; }
.canvas-cell--content     { grid-area: content;   background: #fff; }
.canvas-cell--closing     { grid-area: closing;   background: #E6F0F0; }
.canvas-cell--audience    { grid-area: audience;  background: #F5E9D8; }
.canvas-cell--context     { grid-area: context;   background: #F5E9D8; }
.canvas-cell--intro       { grid-area: intro;     background: #fff; }
.canvas-cell--questions   { grid-area: questions; background: #fff; }

.canvas-points {
  margin: 0;
  padding-inline-start: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  font-size: var(--size-sm);
}

.canvas-points li {
  line-height: 1.5;
}

.canvas-output__nudge {
  font-size: var(--size-sm);
  color: var(--color-muted);
  margin-block-end: 0;
  text-align: center;
}

/* --- Print styles for canvas output --- */
@media print {
  header, footer, .hero, .canvas-preview, #download,
  .canvas-form, .ai-canvas__lead, .ai-canvas h2,
  .canvas-print-btn, .canvas-output__nudge,
  .pitch, .testimonial {
    display: none !important;
  }

  body {
    background: #fff;
    animation: none;
  }

  .canvas-grid {
    border: 1px solid #ccc;
    border-radius: 0;
    gap: 1px;
    background: #ccc;
  }

  .canvas-cell {
    padding: 0.75rem 1rem;
  }
}

/* ============================================================
   6. EmailOctopus form overrides — keeps embed visually consistent
   ============================================================ */
.emailoctopus-form input[type="email"],
.emailoctopus-form-row input[type="email"] {
  border: 1px solid var(--color-border);
  border-radius: 3px;
  padding: 0.6rem 0.75rem;
  font-family: var(--font-body);
  font-size: var(--size-md);
  width: 100%;
  background: #fff;
}

.emailoctopus-form input[type="email"]:focus,
.emailoctopus-form-row input[type="email"]:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.emailoctopus-form button[type="submit"],
.emailoctopus-form-row button[type="submit"] {
  background-color: var(--color-cta);
  color: #fff;
  border: none;
  padding: 0.75rem 2rem;
  font-family: var(--font-body);
  font-size: var(--size-md);
  font-weight: 600;
  border-radius: 3px;
  cursor: pointer;
  width: 100%;
  margin-top: var(--space-sm);
  transition: background-color 0.2s ease;
}

.emailoctopus-form button[type="submit"]:hover,
.emailoctopus-form-row button[type="submit"]:hover {
  background-color: var(--color-cta-dark);
}

.emailoctopus-form label,
.emailoctopus-form-row label {
  font-family: var(--font-body);
  font-size: var(--size-sm);
  color: var(--color-muted);
}

/* Hide EmailOctopus branding if present */
.emailoctopus-form-row-subscribe {
  font-size: var(--size-xs);
  color: var(--color-muted);
}

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

/* ============================================================
   8. Responsive — all media queries in one place
   ============================================================ */
@media (max-width: 640px) {
  header {
    flex-direction: column;
    gap: var(--space-sm);
    text-align: center;
  }

  header nav {
    gap: var(--space-md);
    flex-wrap: wrap;
    justify-content: center;
  }

  .hero {
    padding-block: var(--space-xl);
  }

  #download {
    padding: var(--space-lg);
  }

  main,
  footer > * {
    padding-inline: var(--space-md);
  }

  header {
    padding-inline: var(--space-md);
  }

  .canvas-grid {
    grid-template-columns: 1fr;
    grid-template-areas:
      "purpose"
      "key-msg"
      "opening"
      "content"
      "closing"
      "audience"
      "context"
      "intro"
      "questions";
  }

  .canvas-cell {
    min-height: auto;
  }

  .canvas-form .button-primary {
    align-self: stretch;
    text-align: center;
  }
}