/* ============================================================
   Canine Costars of Canada — "Trained Like a Movie Dog" funnel
   Warm editorial system derived from the book's own palette:
   rust #9C3D1F accent, near-black warm ink, white/cream surfaces.
   ============================================================ */

/* ---------- Fonts ---------- */
@import url('https://api.fontshare.com/v2/css?f[]=boska@400,500,600,700&display=swap');

/* ---------- Base reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  -webkit-text-size-adjust: none;
  text-size-adjust: none;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  hanging-punctuation: first last;
  scroll-padding-top: var(--space-16);
}

body {
  min-height: 100dvh;
  line-height: 1.65;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
}

img, picture, video, canvas, svg { display: block; max-width: 100%; height: auto; }
ul[role='list'], ol[role='list'] { list-style: none; }
input, button, textarea, select { font: inherit; color: inherit; accent-color: var(--color-primary); }
h1, h2, h3, h4, h5, h6 { text-wrap: balance; line-height: 1.12; font-family: var(--font-display); font-weight: 600; }
p, li, figcaption { text-wrap: pretty; max-width: 68ch; }
::selection { background: color-mix(in oklab, var(--color-primary) 25%, transparent); color: var(--color-text); }
:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 3px; border-radius: var(--radius-sm); }
button { cursor: pointer; background: none; border: none; }
table { border-collapse: collapse; width: 100%; }
a, button, [role='button'], input, textarea, select {
  transition: color var(--transition-interactive), background var(--transition-interactive),
    border-color var(--transition-interactive), box-shadow var(--transition-interactive), transform var(--transition-interactive);
}
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border-width: 0; }

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

/* ---------- Design tokens ---------- */
:root {
  --font-display: 'Boska', 'Iowan Old Style', 'Georgia', serif;
  --font-body: 'Source Serif 4', 'Charter', Georgia, serif;
  --font-ui: 'Inter', -apple-system, sans-serif;

  --text-xs: clamp(0.75rem, 0.72rem + 0.15vw, 0.8125rem);
  --text-sm: clamp(0.875rem, 0.84rem + 0.2vw, 0.9375rem);
  --text-base: clamp(1rem, 0.96rem + 0.2vw, 1.125rem);
  --text-lg: clamp(1.15rem, 1.05rem + 0.5vw, 1.4rem);
  --text-xl: clamp(1.5rem, 1.25rem + 1vw, 2.1rem);
  --text-2xl: clamp(2.1rem, 1.5rem + 2.2vw, 3.4rem);
  --text-3xl: clamp(2.6rem, 1.2rem + 4vw, 5.2rem);
  --text-hero: clamp(3rem, 0.8rem + 6.5vw, 7rem);

  --space-1: 0.25rem; --space-2: 0.5rem; --space-3: 0.75rem; --space-4: 1rem;
  --space-5: 1.25rem; --space-6: 1.5rem; --space-8: 2rem; --space-10: 2.5rem;
  --space-12: 3rem; --space-16: 4rem; --space-20: 5rem; --space-24: 6rem; --space-32: 8rem;

  --radius-sm: 0.3rem; --radius-md: 0.5rem; --radius-lg: 1rem; --radius-xl: 1.5rem; --radius-full: 9999px;
  --transition-interactive: 180ms cubic-bezier(0.16,1,0.3,1);

  --content-narrow: 640px; --content-default: 780px; --content-wide: 1120px; --content-full: 100%;

  --shadow-sm: 0 1px 2px oklch(0.2 0.02 40 / 0.08);
  --shadow-md: 0 6px 20px oklch(0.2 0.02 40 / 0.10);
  --shadow-lg: 0 20px 48px oklch(0.2 0.02 40 / 0.16);
}

:root, [data-theme='light'] {
  --color-bg: #FFFFFF;
  --color-surface: #FBF8F5;
  --color-surface-2: #F6F1EB;
  --color-surface-offset: #F3E4DE;
  --color-divider: #EAE2D9;
  --color-border: #E1D6CB;

  --color-text: #1D1A15;
  --color-text-muted: #6B6459;
  --color-text-faint: #9A9388;
  --color-text-inverse: #FBF6F0;

  --color-primary: #9C3D1F;
  --color-primary-hover: #7C2F17;
  --color-primary-active: #5E2411;
  --color-primary-highlight: #F3E4DE;

  --color-ink: #14100C;
  --color-success: #4B6B3A;
  --color-success-highlight: #E4E9DC;
}

[data-theme='dark'] {
  --color-bg: #16130F;
  --color-surface: #1C1813;
  --color-surface-2: #221D17;
  --color-surface-offset: #2B2019;
  --color-divider: #332B23;
  --color-border: #3B3128;

  --color-text: #EDE7DE;
  --color-text-muted: #A89E91;
  --color-text-faint: #756C60;
  --color-text-inverse: #FBF6F0;

  --color-primary: #D6784F;
  --color-primary-hover: #E29169;
  --color-primary-active: #EAA986;
  --color-primary-highlight: #3A2620;

  --color-ink: #0C0A08;
  --color-success: #8FAE7A;
  --color-success-highlight: #263422;

  --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.3);
  --shadow-md: 0 6px 20px oklch(0 0 0 / 0.35);
  --shadow-lg: 0 20px 48px oklch(0 0 0 / 0.5);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #16130F; --color-surface: #1C1813; --color-surface-2: #221D17;
    --color-surface-offset: #2B2019; --color-divider: #332B23; --color-border: #3B3128;
    --color-text: #EDE7DE; --color-text-muted: #A89E91; --color-text-faint: #756C60;
    --color-text-inverse: #FBF6F0; --color-primary: #D6784F; --color-primary-hover: #E29169;
    --color-primary-active: #EAA986; --color-primary-highlight: #3A2620; --color-ink: #0C0A08;
    --color-success: #8FAE7A; --color-success-highlight: #263422;
  }
}

/* ---------- Layout helpers ---------- */
.wrap { width: 100%; max-width: var(--content-wide); margin-inline: auto; padding-inline: var(--space-6); }
.wrap--narrow { max-width: var(--content-default); }
.section { padding-block: clamp(var(--space-16), 8vw, var(--space-24)); }
.section--tight { padding-block: clamp(var(--space-10), 5vw, var(--space-16)); }
.section--ink { background: var(--color-ink); color: var(--color-text-inverse); }
.section--surface { background: var(--color-surface); }
.section--offset { background: var(--color-surface-offset); }
[data-theme='dark'] .section--ink { background: #000; }

.grid-2 { display: grid; gap: var(--space-12); grid-template-columns: 1fr; min-width: 0; }
.grid-2 > * { min-width: 0; }
@media (min-width: 860px) { .grid-2 { grid-template-columns: 1.05fr 0.95fr; align-items: center; } }
.grid-3 { display: grid; gap: var(--space-8); grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); min-width: 0; }
.grid-3 > * { min-width: 0; }

/* ---------- Typography classes ---------- */
.kicker {
  font-family: var(--font-ui); font-size: var(--text-xs); font-weight: 600;
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--color-primary);
  display: inline-flex; align-items: center; gap: var(--space-2);
}
.kicker::before { content: ''; width: 22px; height: 1px; background: var(--color-primary); display: inline-block; }
h1.display, .h-hero { font-size: var(--text-hero); letter-spacing: -0.01em; }
h2.display, .display.h2 { font-size: var(--text-3xl); letter-spacing: -0.005em; }
h3.display, .display.h3 { font-size: var(--text-2xl); }
h4.display, .display.h4 { font-size: var(--text-xl); }
.lede { font-size: var(--text-lg); color: var(--color-text-muted); max-width: 46ch; }
.eyebrow-quote {
  font-family: var(--font-display); font-style: italic; font-size: var(--text-xl);
  line-height: 1.35; color: var(--color-text);
}
.rule { width: 64px; height: 3px; background: var(--color-primary); border-radius: var(--radius-full); margin-block: var(--space-6); }
.muted { color: var(--color-text-muted); }
.faint { color: var(--color-text-faint); font-size: var(--text-sm); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2);
  font-family: var(--font-ui); font-weight: 600; font-size: var(--text-sm);
  padding: var(--space-4) var(--space-8); border-radius: var(--radius-full);
  white-space: nowrap; letter-spacing: 0.01em;
}
.btn--primary { background: var(--color-primary); color: #FBF6F0; box-shadow: var(--shadow-md); }
.btn--primary:hover { background: var(--color-primary-hover); transform: translateY(-1px); box-shadow: var(--shadow-lg); }
.btn--ghost { background: transparent; color: var(--color-text); border: 1.5px solid var(--color-border); }
.btn--ghost:hover { border-color: var(--color-primary); color: var(--color-primary); }
.btn--inverse { background: var(--color-text-inverse); color: var(--color-ink); }
.btn--inverse:hover { background: var(--color-primary-highlight); }
.btn--lg { padding: var(--space-5) var(--space-10); font-size: var(--text-base); }
.btn--block { width: 100%; }
@media (max-width: 480px) { .btn { white-space: normal; text-align: center; } }

/* ---------- Nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 40; background: var(--color-bg);
  border-bottom: 1px solid var(--color-divider);
}
.nav__row { display: flex; align-items: center; justify-content: space-between; padding-block: var(--space-4); gap: var(--space-4); }
.brand { display: flex; align-items: center; gap: var(--space-3); text-decoration: none; color: var(--color-text); }
.brand__mark { width: 34px; height: 34px; color: var(--color-primary); flex-shrink: 0; }
.brand__name { font-family: var(--font-ui); font-weight: 600; font-size: var(--text-sm); letter-spacing: 0.03em; text-transform: uppercase; line-height: 1.2; }
.nav__actions { display: flex; align-items: center; gap: var(--space-4); }
.theme-toggle { width: 36px; height: 36px; border-radius: var(--radius-full); display: flex; align-items: center; justify-content: center; color: var(--color-text-muted); }
.theme-toggle:hover { background: var(--color-surface-offset); color: var(--color-primary); }

/* ---------- Placeholder banner (buy button / form not wired yet) ---------- */
.placeholder-flag {
  display: inline-flex; align-items: center; gap: var(--space-2); font-family: var(--font-ui);
  font-size: var(--text-xs); color: var(--color-primary); background: var(--color-primary-highlight);
  padding: var(--space-2) var(--space-4); border-radius: var(--radius-full); margin-top: var(--space-3);
}

/* ---------- Hero ---------- */
.hero { padding-block: clamp(var(--space-12), 8vw, var(--space-20)) clamp(var(--space-16), 8vw, var(--space-24)); }
.hero__byline { display: flex; align-items: center; gap: var(--space-3); margin-top: var(--space-6); }
.hero__byline img { width: 40px; height: 40px; border-radius: var(--radius-full); }
.hero__cta-row { display: flex; flex-wrap: wrap; gap: var(--space-4); margin-top: var(--space-8); align-items: center; }
.hero__trust { margin-top: var(--space-4); font-family: var(--font-ui); }

/* ---------- Book cover mock ---------- */
.book-cover {
  aspect-ratio: 5/7.4; width: 100%; max-width: 360px; margin-inline: auto;
  background: linear-gradient(160deg, var(--color-ink), #2B1710 60%, var(--color-primary) 150%);
  border-radius: var(--radius-md); box-shadow: var(--shadow-lg);
  display: flex; flex-direction: column; justify-content: space-between; padding: var(--space-8);
  color: #FBF6F0; position: relative; overflow: hidden;
}
.book-cover::before {
  content: ''; position: absolute; inset: 10px; border: 1px solid color-mix(in oklab, #FBF6F0 30%, transparent); border-radius: calc(var(--radius-md) - 4px);
}
.book-cover__kicker { font-family: var(--font-ui); font-size: var(--text-xs); letter-spacing: 0.18em; text-transform: uppercase; color: #E4B79A; }
.book-cover__title { font-family: var(--font-display); font-size: clamp(1.7rem, 1.2rem + 2vw, 2.4rem); line-height: 1.08; margin-top: var(--space-3); }
.book-cover__sub { font-family: var(--font-body); font-style: italic; font-size: var(--text-sm); color: #E9DCCF; margin-top: var(--space-3); }
.book-cover__author { font-family: var(--font-ui); font-size: var(--text-xs); letter-spacing: 0.1em; text-transform: uppercase; color: #E4B79A; }
.book-cover__paw { position: absolute; opacity: 0.16; }

/* ---------- Photo placeholder frame ---------- */
.photo-frame {
  border: 1.5px dashed var(--color-border); border-radius: var(--radius-lg); background: var(--color-surface-2);
  display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center;
  gap: var(--space-2); padding: var(--space-8); color: var(--color-text-faint);
  aspect-ratio: 4/5; font-family: var(--font-ui);
}
.photo-frame svg { width: 28px; height: 28px; opacity: 0.5; }
.photo-frame span { font-size: var(--text-xs); max-width: 20ch; }
.photo-frame--wide { aspect-ratio: 16/10; }
.photo-frame.is-filled { border-style: solid; border-color: var(--color-border); background: none; padding: 0; overflow: hidden; }
.photo-frame.is-filled img { width: 100%; height: 100%; object-fit: cover; display: block; }

/* ---------- Marquee (production credits) ---------- */
.marquee { overflow: hidden; border-top: 1px solid var(--color-divider); border-bottom: 1px solid var(--color-divider); }
.marquee__track { display: flex; gap: var(--space-16); white-space: nowrap; padding-block: var(--space-6); animation: scroll-left 32s linear infinite; }
.marquee__track span { font-family: var(--font-ui); font-size: var(--text-sm); letter-spacing: 0.08em; text-transform: uppercase; color: var(--color-text-faint); }
@keyframes scroll-left { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ---------- Cards ---------- */
.card {
  background: var(--color-surface); border: 1px solid var(--color-divider); border-radius: var(--radius-lg);
  padding: var(--space-8); display: flex; flex-direction: column; gap: var(--space-3);
}
.card__num { font-family: var(--font-display); font-size: var(--text-2xl); color: var(--color-primary); line-height: 1; }
.card h3 { font-size: var(--text-lg); }

/* ---------- List with check icons ---------- */
.check-list { display: flex; flex-direction: column; gap: var(--space-4); }
.check-list li { position: relative; padding-left: calc(20px + var(--space-3)); font-size: var(--text-base); }
.check-list svg { position: absolute; left: 0; top: 3px; width: 20px; height: 20px; color: var(--color-primary); }
.x-list li { position: relative; padding-left: calc(20px + var(--space-3)); font-size: var(--text-base); color: var(--color-text-muted); }
.x-list svg { position: absolute; left: 0; top: 3px; width: 20px; height: 20px; color: var(--color-text-faint); }

/* ---------- Pull quote / callout ---------- */
.callout {
  border-left: 3px solid var(--color-primary); padding-left: var(--space-6); margin-block: var(--space-8);
}

/* ---------- Bio row ---------- */
.bio-row { display: grid; gap: var(--space-10); grid-template-columns: 1fr; align-items: center; min-width: 0; }
.bio-row > * { min-width: 0; }
@media (min-width: 780px) { .bio-row { grid-template-columns: 280px 1fr; } }

/* ---------- Footer ---------- */
.footer { background: var(--color-ink); color: var(--color-text-inverse); padding-block: var(--space-16) var(--space-10); }
[data-theme='dark'] .footer { background: #000; }
.footer__row { display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--space-8); align-items: flex-start; }
.footer a { color: color-mix(in oklab, var(--color-text-inverse) 80%, transparent); text-decoration: none; font-family: var(--font-ui); font-size: var(--text-sm); }
.footer a:hover { color: var(--color-primary); }
.footer__bottom { margin-top: var(--space-12); padding-top: var(--space-6); border-top: 1px solid color-mix(in oklab, var(--color-text-inverse) 15%, transparent); font-family: var(--font-ui); font-size: var(--text-xs); color: color-mix(in oklab, var(--color-text-inverse) 55%, transparent); display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--space-4); }

/* ---------- Sticky mobile CTA (sales page only) ---------- */
.sticky-cta { position: fixed; left: 0; right: 0; bottom: 0; z-index: 50; background: var(--color-bg); border-top: 1px solid var(--color-divider); padding: var(--space-3) var(--space-5); display: none; box-shadow: 0 -8px 24px oklch(0.2 0.02 40 / 0.1); }
.sticky-cta.is-visible { display: flex; align-items: center; justify-content: space-between; gap: var(--space-3); }
.sticky-cta__price { font-family: var(--font-display); font-size: var(--text-lg); }

/* ---------- Forms ---------- */
.field { display: flex; flex-direction: column; gap: var(--space-2); margin-bottom: var(--space-5); }
.field label { font-family: var(--font-ui); font-size: var(--text-sm); font-weight: 600; }
.field input, .field select, .field textarea {
  border: 1.5px solid var(--color-border); border-radius: var(--radius-md); padding: var(--space-3) var(--space-4);
  background: var(--color-surface-2); font-size: var(--text-base);
}
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--color-primary); }
.field textarea { min-height: 100px; resize: vertical; }
.radio-group { display: flex; flex-direction: column; gap: var(--space-2); }
.radio-group label { display: flex; align-items: center; gap: var(--space-3); font-family: var(--font-body); font-weight: 400; font-size: var(--text-base); }

/* ---------- Simple states ---------- */
.pill { display: inline-flex; align-items: center; gap: var(--space-2); background: var(--color-surface-offset); color: var(--color-primary); font-family: var(--font-ui); font-size: var(--text-xs); font-weight: 600; padding: var(--space-2) var(--space-4); border-radius: var(--radius-full); }
.center { text-align: center; }
.stack { display: flex; flex-direction: column; gap: var(--space-4); }
.big-check { width: 72px; height: 72px; border-radius: var(--radius-full); background: var(--color-success-highlight); color: var(--color-success); display: flex; align-items: center; justify-content: center; margin-inline: auto; }
.big-check svg { width: 34px; height: 34px; }

@media (max-width: 780px) {
  .hero__cta-row { flex-direction: column; align-items: stretch; }
  .footer__row { flex-direction: column; }
}