/*
  Life180 Labs - Design Tokens
  Palette/type system: L180_Typography_ColorSystem.docx (authoritative), confirmed by L180 Mood Board.png.
  Spacing scale, breakpoints, radius and shadow from L180 Website OS_v3.0.xlsx sheets
  05_Sitemap / 20_Design_System. The Saffron/Midnight/Cormorant Garamond/DM Sans/Syne
  values in that sheet are a superseded draft and are NOT used.

  Type sizes and layout metrics were measured off L180_HomePage Wireframe.png. That file is
  864px wide == a 1440px desktop render at 60% (864 = 1440 x 0.6), so wireframe px x 1.6667
  = CSS px. Measured content width is 1256px at 1440, which is wider than the 1200/60 container
  noted in the xlsx - the wireframe is the visual authority here, so the container follows it.
*/

:root {
  /* Color palette */
  --color-canvas: #FCFCFA;
  --color-navy: #1B2A3D;
  --color-navy-deep: #0F2038;      /* CTA banner / deep surfaces */
  /* Brand accent. Sampled from L180_HomePage Wireframe.png (#F5990B-#F79E14)
     and confirmed by the four Aug-11 service mockups (#F58B05-#FD9102). */
  --color-amber: #F7920A;
  --color-amber-hover: #DE7D00;
  --color-surface: #FFFFFF;
  --color-soft-section: #F2F4F7;
  --color-border: #D9E1E7;
  --color-border-soft: #E9ECF1;    /* hairline dividers */
  --color-muted: #66708B;
  --color-heading: #101838;
  --color-ai-accent: #4FBEE7;
  --color-ai-badge-bg: #EAF8FD;
  --color-success: #16A34A;
  --color-warning: #F59E0B;
  --color-error: #DC2626;
  --color-focus: var(--color-amber);

  /* Featured-work accent colors (decorative, sampled from the wireframe) */
  --c-violet: #7C47DC;
  --c-violet-bg: #F1E9FD;
  --c-green: #16A34A;
  --c-green-bg: #E3F5EC;
  --c-coral: #F4522A;
  --c-coral-bg: #FDEAE4;
  --c-blue: #1565FB;
  --c-blue-bg: #E6EEFE;
  --c-teal: #0E9CC0;
  --c-teal-bg: #E2F4F9;

  /* Typography */
  --font-family: 'Plus Jakarta Sans', 'Segoe UI', system-ui, -apple-system, Roboto, Arial, sans-serif;

  --h1-size: 64px;      --h1-line: 1.28;  --h1-weight: 800;
  --h2-size: 28px;      --h2-line: 1.35;  --h2-weight: 800;
  --h2-sec-size: 32px;  --h2-sec-line: 1.25;
  --h3-size: 18px;      --h3-line: 1.35;  --h3-weight: 700;
  --h4-size: 18px;      --h4-line: 1.42;  --h4-weight: 700;
  --body-lg-size: 19px; --body-lg-line: 1.70;
  --body-size: 16px;    --body-line: 1.85;
  --small-size: 14px;   --small-line: 1.60;
  --button-size: 16px;  --button-line: 1.00; --button-weight: 600;
  --label-size: 13px;   --label-line: 1.20;  --label-weight: 700;

  /* Spacing scale */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;
  --space-4xl: 80px;
  --space-5xl: 100px;

  /* Layout */
  --container-max: 1304px;      /* 1256px content at 1440 viewport */
  --container-flush-max: 1384px; /* CTA banner card box */
  --container-pad-desktop: 24px;
  --container-pad-mobile: 20px;

  /* Radius */
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --radius-xl: 12px;
  --radius-2xl: 16px;
  --radius-full: 9999px;

  /* Shadow */
  --shadow-sm: 0 1px 3px rgba(13, 31, 60, 0.04);
  --shadow-md: 0 2px 8px rgba(13, 31, 60, 0.06);
  --shadow-lg: 0 8px 24px rgba(13, 31, 60, 0.08);
}

/* ------------------------------------------------------------------ */
/* Base                                                                */
/* ------------------------------------------------------------------ */

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; border-top: none; margin: 0; padding: 0; }
html, body { max-width: 100%; overflow-x: hidden; margin: 0; padding: 0; }

body {
  font-family: var(--font-family);
  background: var(--color-canvas);
  color: var(--color-heading);
  font-size: var(--body-size);
  line-height: var(--body-line);
  margin: 0;
  padding: 0;
  border-top: none;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; }
img, svg { max-width: 100%; }

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad-desktop);
}
/* Full-width container box (no side padding) - used by inset cards/panels */
.container-flush {
  max-width: var(--container-flush-max);
  margin: 0 auto;
}

h1, h2, h3, h4 { color: var(--color-heading); }
h1 { font-size: var(--h1-size); line-height: var(--h1-line); font-weight: var(--h1-weight); }
h2 { font-size: var(--h2-size); line-height: var(--h2-line); font-weight: var(--h2-weight); letter-spacing: -0.01em; }
h3 { font-size: var(--h3-size); line-height: var(--h3-line); font-weight: var(--h3-weight); }
h4 { font-size: var(--h4-size); line-height: var(--h4-line); font-weight: var(--h4-weight); }
p  { color: var(--color-muted); }

.eyebrow {
  font-size: var(--label-size);
  font-weight: var(--label-weight);
  line-height: var(--label-line);
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--color-amber);
}
.accent { color: var(--color-amber); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: var(--button-size);
  font-weight: var(--button-weight);
  line-height: var(--button-line);
  padding: 18px 25px;
  border-radius: var(--radius-md);
  border: 1.5px solid transparent;
  white-space: nowrap;
  transition: background-color .15s ease, color .15s ease, border-color .15s ease, transform .15s ease, box-shadow .15s ease;
}
.btn:focus-visible { outline: 2px solid var(--color-focus); outline-offset: 2px; }
.btn:hover { transform: translateY(-1px); box-shadow: var(--shadow-sm); }
.btn:active { transform: translateY(0); box-shadow: none; }
.btn svg { flex-shrink: 0; }

.btn-primary { background: var(--color-amber); color: var(--color-heading); }
.btn-primary:hover { background: var(--color-amber-hover); color: #fff; }

/* Secondary = white fill, navy hairline border (per wireframe) */
.btn-secondary {
  background: var(--color-surface);
  color: var(--color-heading);
  border-color: var(--color-navy);
}
.btn-secondary:hover { background: var(--color-navy); color: #fff; }

.btn-outline-inverse {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,.45);
}
.btn-outline-inverse:hover { background: rgba(255,255,255,.10); }

.btn-sm { padding: 12px 20px; font-size: 14px; }

.visually-hidden {
  position: absolute; width: 1px; height: 1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap;
}

.skip-link {
  position: absolute; left: var(--space-md); top: -48px;
  background: var(--color-navy); color: #fff;
  padding: 12px 20px; border-radius: var(--radius-md);
  z-index: 1000; transition: top .15s ease;
}
.skip-link:focus { top: var(--space-md); }

/* ------------------------------------------------------------------ */
/* Scroll-reveal (paired with assets/js/components/scroll-reveal.js) and   */
/* card hover micro-interactions - subtle, GPU-cheap (opacity/transform    */
/* only), and fully disabled under prefers-reduced-motion.                 */
/* ------------------------------------------------------------------ */

[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .7s cubic-bezier(.16, .84, .44, 1), transform .7s cubic-bezier(.16, .84, .44, 1);
}
[data-reveal].is-visible { opacity: 1; transform: translateY(0); }

/* Opt-in hover lift for card-style elements (feature cards, work cards,
   service cards, etc.) - add this class alongside the element's own. */
.card-hover { transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease; }
.card-hover:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }

@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1 !important; transform: none !important; transition: none !important; }
  /* Global safety net: any hover/interaction transform or transition added
     across the site's page-specific CSS files is neutralised here too, so
     individual components don't each need their own reduced-motion rule. */
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .btn:hover, .btn:active,
  .card-hover:hover {
    transform: none !important;
  }
}

/* Responsive type */
@media (max-width: 1024px) {
  :root { --h1-size: 46px; --h2-size: 25px; --h2-sec-size: 26px; --body-lg-size: 17px; }
}
@media (max-width: 767px) {
  :root {
    --h1-size: 34px; --h2-size: 22px; --h2-sec-size: 22px;
    --body-lg-size: 16px; --body-size: 15px;
  }
  .container { padding: 0 var(--container-pad-mobile); }
  .container-flush { padding: 0 var(--container-pad-mobile); }
}