/*
 * All Hatched design system
 * Shared tokens, type roles, layout primitives, and cross-page components.
 */

:root {
  /* Semantic color roles */
  --bg-primary: #07070a;
  --bg-secondary: #f5f7fa;
  --surface-dark: #111116;
  --surface-light: #ffffff;
  --text-primary: #ffffff;
  --text-inverse: #17171d;
  --text-secondary: #aaaeb8;
  --text-muted: #5e6470;
  --accent-pink: #ff006a;
  --accent-pink-text: #b90050;
  --accent-purple: #4147fb;
  --accent-blue: #008cff;
  --accent-coral: #ff3b2d;
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.14);
  --border-subtle-light: rgba(23, 23, 29, 0.08);
  --border-strong-light: rgba(23, 23, 29, 0.14);
  --gradient-brand: linear-gradient(135deg, var(--accent-coral) 0%, var(--accent-pink) 32%, var(--accent-purple) 68%, var(--accent-blue) 100%);

  /* Typography */
  --font-display: "Oswald", sans-serif;
  --font-body: "Inter", sans-serif;
  --leading-display: 0.94;
  --leading-heading: 1.08;
  --leading-body: 1.58;

  /* Layout */
  --container-max: 1240px;
  --content-max: 820px;
  --content-narrow: 680px;
  --page-gutter: clamp(1rem, 3vw, 1.5rem);

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4rem;
  --space-9: 6rem;
  --space-10: 8rem;
  --section-compact: clamp(3.5rem, 5vw, 5rem);
  --section-standard: clamp(4.5rem, 7vw, 7rem);
  --section-large: clamp(5.75rem, 8.5vw, 8.5rem);

  /* Shape and elevation */
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --shadow-sm: 0 10px 28px rgba(0, 0, 0, 0.16);
  --shadow-md: 0 20px 56px rgba(0, 0, 0, 0.28);
  --shadow-lg: 0 28px 90px rgba(0, 0, 0, 0.46);

  /* Interaction */
  --motion-fast: 140ms;
  --motion-standard: 220ms;
  --motion-slow: 520ms;
  --ease-standard: cubic-bezier(0.2, 0.8, 0.2, 1);
  --z-header: 100;
  --z-drawer: 300;
  --z-overlay: 250;
  --button-height: 50px;
  --button-padding-inline: 1.35rem;

  /* Backward-compatible aliases used by approved page compositions */
  --color-bg-dark: var(--bg-primary);
  --color-bg-light: var(--bg-secondary);
  --color-surface-dark: var(--surface-dark);
  --color-surface-light: var(--surface-light);
  --color-text-dark: var(--text-inverse);
  --color-text-light: var(--text-primary);
  --color-muted-dark: var(--text-secondary);
  --color-muted-light: var(--text-muted);
  --brand-blue: var(--accent-blue);
  --brand-indigo: var(--accent-purple);
  --brand-pink: var(--accent-pink);
  --brand-coral: var(--accent-coral);
  --color-accent-pink: var(--accent-pink);
  --color-accent-pink-text: var(--accent-pink-text);
  --color-accent-purple: var(--accent-purple);
  --color-accent-blue: var(--accent-blue);
  --black: var(--bg-primary);
  --bg: var(--bg-primary);
  --paper: var(--bg-secondary);
  --panel: var(--surface-dark);
  --ink: var(--text-inverse);
  --white: var(--text-primary);
  --muted-dark: var(--text-secondary);
  --muted-light: var(--text-muted);
  --pink: var(--accent-pink);
  --indigo: var(--accent-purple);
  --blue: var(--accent-blue);
  --coral: var(--accent-coral);
  --gradient: var(--gradient-brand);
  --display: var(--font-display);
  --body: var(--font-body);
  --max: var(--container-max);
  --copy: 760px;
  --copy-wide: var(--content-max);
  --line: var(--border-strong);
  --soft-line: var(--border-subtle);
  --section-muted: var(--text-secondary);
  --space-section: var(--section-standard);
  --space-section-compact: var(--section-compact);
  --space-section-large: var(--section-large);
  --section-space: var(--section-standard);
  --section-space-large: var(--section-large);
  --shadow: var(--shadow-lg);

  /* Legacy redirect-shell aliases retained so noindex compatibility routes render cleanly. */
  --border-dark: 1px solid var(--border-strong);
  --header-logo-width: clamp(164px, 15vw, 190px);
  --text-primary-dark: var(--text-inverse);
  --text-muted-dark: var(--text-secondary);
  --text-muted-light: var(--text-muted);
}

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

html {
  overflow-x: hidden;
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
}

body {
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: var(--leading-body);
  margin: 0;
  overflow-x: hidden;
}

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

img { height: auto; }

a { color: inherit; }

button,
input,
textarea,
select { font: inherit; }

:focus-visible {
  outline: 3px solid var(--accent-blue);
  outline-offset: 4px;
}

.skip-link {
  background: var(--surface-light);
  color: var(--text-inverse);
  left: var(--space-4);
  padding: var(--space-3) var(--space-4);
  position: fixed;
  top: var(--space-3);
  transform: translateY(-160%);
  transition: transform var(--motion-fast) var(--ease-standard);
  z-index: 1000;
}

.skip-link:focus { transform: translateY(0); }

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

/* Typography roles */
.display-xl,
.display-lg {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0;
  line-height: var(--leading-display);
  text-wrap: balance;
}

.display-xl { font-size: clamp(4.5rem, 9vw, 8rem); }
.display-lg { font-size: clamp(3.5rem, 7vw, 6rem); }

.heading-xl,
.heading-lg,
.heading-md {
  font-family: var(--font-body);
  font-weight: 800;
  letter-spacing: 0;
  line-height: var(--leading-heading);
  text-wrap: balance;
}

.heading-xl { font-size: clamp(2.75rem, 5vw, 4.5rem); }
.heading-lg { font-size: clamp(2rem, 3.5vw, 3rem); }
.heading-md { font-size: clamp(1.35rem, 2vw, 2rem); }
.body-lg { font-size: clamp(1.1rem, 1.4vw, 1.25rem); line-height: 1.55; }
.body { font-size: clamp(1rem, 1.1vw, 1.125rem); line-height: var(--leading-body); }

.eyebrow,
.meta,
.caption {
  font-family: var(--font-body);
  font-weight: 700;
}

.eyebrow {
  font-size: clamp(0.7rem, 0.8vw, 0.75rem);
  letter-spacing: 0.14em;
  line-height: 1.35;
  text-transform: uppercase;
}

.meta { font-size: 0.75rem; letter-spacing: 0.06em; }
.caption { font-size: 0.75rem; line-height: 1.5; }

/* Layout primitives */
.container,
.container--wide,
.section-inner,
.nav-shell,
.footer-grid,
.case-header__inner,
.case-footer__inner,
.ce-shell,
.pl-shell {
  margin-inline: auto;
  width: min(calc(100% - (var(--page-gutter) * 2)), var(--container-max));
}

.container--text { margin-inline: auto; max-width: var(--content-max); }
.container--narrow { margin-inline: auto; max-width: var(--content-narrow); }
.section { padding-block: var(--section-standard); }
.section--compact { padding-block: var(--section-compact); }
.section--large { padding-block: var(--section-large); }

.stack { display: flex; flex-direction: column; gap: var(--stack-space, var(--space-5)); }
.cluster { align-items: center; display: flex; flex-wrap: wrap; gap: var(--cluster-space, var(--space-4)); }
.split { align-items: var(--split-align, center); display: grid; gap: var(--split-gap, clamp(2rem, 6vw, 6rem)); grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-2 { display: grid; gap: var(--grid-gap, var(--space-6)); grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { display: grid; gap: var(--grid-gap, var(--space-6)); grid-template-columns: repeat(3, minmax(0, 1fr)); }

.media-frame {
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  margin: 0;
  overflow: hidden;
}

.media-frame img { width: 100%; }

/* Predictable section-intro rhythm */
.section-heading > .eyebrow,
.price-group__header > .eyebrow,
.testimonials__header > .eyebrow { margin-bottom: var(--space-4); }

.section-heading > :is(h1, h2, h3),
.price-group__header > :is(h1, h2, h3),
.testimonials__header > :is(h1, h2, h3) { margin-bottom: var(--space-5); }

.section-heading > :is(h1, h2, h3):last-child,
.price-group__header > :is(h1, h2, h3):last-child,
.testimonials__header > :is(h1, h2, h3):last-child { margin-bottom: 0; }

/* Shared button system */
.button,
.button--primary,
.button--secondary,
.button--text,
.button-primary,
.button-secondary,
.text-link,
.nav-cta,
.case-nav__cta,
.project-cta,
.enterprise-case__copy .text-link,
.case-nav__link {
  align-items: center;
  display: inline-flex;
  font-family: var(--font-body);
  gap: var(--space-2);
  justify-content: center;
  text-decoration: none;
  white-space: nowrap;
}

.button,
.button--primary,
.button--secondary,
.button-primary,
.button-secondary {
  border: 1px solid transparent;
  border-radius: 999px;
  cursor: pointer;
  font-size: 0.77rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  min-height: var(--button-height);
  padding: 0.9rem var(--button-padding-inline);
  text-transform: uppercase;
  transition: background-color var(--motion-fast) var(--ease-standard), border-color var(--motion-fast) var(--ease-standard), box-shadow var(--motion-fast) var(--ease-standard), color var(--motion-fast) var(--ease-standard), transform var(--motion-fast) var(--ease-standard);
}

.button--primary,
.button-primary { background: var(--gradient-brand); color: var(--text-primary); }

.button--secondary,
.button-secondary { background: transparent; border-color: var(--border-strong); color: var(--text-primary); }

.button--text,
.text-link { font-size: 0.75rem; font-weight: 800; letter-spacing: 0.06em; text-transform: uppercase; }

@media (hover: hover) {
  .button:hover,
  .button--primary:hover,
  .button--secondary:hover,
  .button-primary:hover,
  .button-secondary:hover,
  .case-nav__cta:hover { transform: translateY(-2px); }
}

/* Shared cards */
.testimonial-card,
.price-card,
.enterprise-case {
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
}

.card { border-radius: var(--radius-lg); }
.card--feature { background: transparent; border: 0; padding: 0; }
.card--testimonial,
.testimonial-card { background: rgba(255, 255, 255, 0.025); }
.card--pricing,
.price-card { background: transparent; border-color: inherit; }
.card--enterprise,
.enterprise-case { background: var(--surface-dark); overflow: hidden; }
.card--decision { background: transparent; }

/* Shared header and footer dimensions */
.site-header,
.case-header { z-index: var(--z-header); }

.nav-shell,
.case-header__inner {
  align-items: center;
  display: flex;
  gap: var(--space-6);
  justify-content: space-between;
  min-height: 76px;
}

.brand-mark,
.case-brand img {
  height: auto;
  object-fit: contain;
  object-position: left center;
  width: clamp(164px, 15vw, 190px);
}

.site-footer,
.case-footer { background: var(--bg-primary); border-top: 1px solid var(--border-subtle); color: var(--text-primary); }

/* Responsive primitives */
@media (max-width: 1024px) {
  .split,
  .grid-3 { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  :root { --page-gutter: 1rem; }
  .grid-2 { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .display-xl { font-size: clamp(3.25rem, 17vw, 4.5rem); }
  .display-lg { font-size: clamp(2.8rem, 14vw, 3.75rem); }
  .heading-xl { font-size: clamp(2.25rem, 11vw, 3rem); }
  .button,
  .button--primary,
  .button--secondary,
  .button-primary,
  .button-secondary { max-width: 100%; }
}

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

/* Sticky navigation across public page shells */
.site-header,
.case-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
}

/* Production navigation behavior: fixed across every public page shell. */
html { scroll-padding-top: 92px; }
body { padding-top: 76px; }
.site-header,
.case-header {
  position: fixed;
  inset: 0 0 auto 0;
  width: 100%;
  z-index: var(--z-header);
}
section[id] { scroll-margin-top: 92px; }
@media (max-width: 767px) {
  body { padding-top: 68px; }
  html { scroll-padding-top: 82px; }
  section[id] { scroll-margin-top: 82px; }
}