/*
Theme Name: Takumi Stamping Canada
Theme URI: https://takumistampingcanada.ca
Author: Takumi Stamping Canada
Author URI: https://takumistampingcanada.ca
Description: Custom theme for Takumi Stamping Canada — precision metal stamping. Blue-diamond brand, WCAG 2.0 AA / AODA compliant. Mirrors the static site at takumi-futaba.keystonetech.workers.dev.
Version: 2.0.1
Requires at least: 6.0
Requires PHP: 8.0
License: GPL v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: takumi
*/

/* =========================================================
   Takumi Stamping Canada — Stylesheet
   WCAG 2.0 AA compliant (contrast, focus, motion, spacing)
   ========================================================= */

/* --- Design tokens --- */
:root {
  --color-primary: #007BFF;        /* Takumi brand blue (matches logo diamonds) */
  --color-primary-dark: #0056B3;   /* Darker blue for links, button primary, hovers — AA-contrast on white */
  --color-ink: #1a1a1a;            /* Near-black */
  --color-text: #212121;           /* Body text — 16.1:1 on white */
  --color-muted: #4a4a4a;          /* Secondary text — 9.7:1 on white */
  --color-surface: #ffffff;
  --color-surface-alt: #f5f5f5;
  --color-surface-dark: #0f0f0f;
  --color-border: #d9d9d9;
  --color-focus: #0b5cff;          /* High-visibility focus ring */

  /* System font stack that favours modern, crisp UI faces on every OS:
     - system-ui / -apple-system: San Francisco (macOS/iOS), Segoe UI (Windows)
     - "Inter": used if locally installed (many design-minded users)
     - BlinkMacSystemFont: Chrome on macOS fallback
     - "Segoe UI": Windows
     - Roboto: Android / ChromeOS
     - "Helvetica Neue" / Arial: final fallbacks */
  --font-sans: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Liberation Sans", sans-serif;
  --font-display: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Liberation Sans", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, "Liberation Mono", Consolas, monospace;

  --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;

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 14px;

  --shadow-sm: 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 16px 40px rgba(0,0,0,0.12);

  --container: 1200px;
}

/* --- Reset / base --- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-surface);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, svg { max-width: 100%; height: auto; display: block; }
a { color: var(--color-primary-dark); text-decoration: underline; text-underline-offset: 2px; }
a:hover { text-decoration-thickness: 2px; }

/* Keyboard focus — always visible, high contrast (WCAG 2.4.7) */
:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 2px;
  border-radius: 2px;
}

/* Skip link (WCAG 2.4.1) */
.skip-link {
  position: absolute;
  top: -100px;
  left: 0;
  background: var(--color-ink);
  color: #fff;
  padding: var(--space-3) var(--space-5);
  z-index: 1000;
  text-decoration: none;
  font-weight: 600;
}
.skip-link:focus { top: 0; }

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

/* --- Typography --- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--color-ink);
  line-height: 1.15;
  margin: 0 0 var(--space-4);
  font-weight: 800;
  letter-spacing: -0.015em;
  text-wrap: balance; /* progressive enhancement for headlines */
}
h1 { font-size: clamp(2.15rem, 1.4rem + 3.2vw, 3.5rem); letter-spacing: -0.025em; }
h2 { font-size: clamp(1.7rem, 1.2rem + 1.8vw, 2.4rem); letter-spacing: -0.02em; }
h3 { font-size: clamp(1.2rem, 1rem + 0.8vw, 1.5rem); font-weight: 700; }
h4 { font-size: 1.1rem; font-weight: 700; }
p  { margin: 0 0 var(--space-4); max-width: 72ch; text-wrap: pretty; }
.lead { font-size: 1.15rem; color: var(--color-muted); line-height: 1.55; }

/* Tabular numerals on metric displays */
.stat__num { font-variant-numeric: tabular-nums; font-feature-settings: "tnum" 1; }

/* --- Layout helpers --- */
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 var(--space-5); }
.section   { padding: var(--space-9) 0; }
.section--tight { padding: var(--space-7) 0; }
.section--alt   { background: var(--color-surface-alt); }
.section--dark  { background: var(--color-surface-dark); color: #eaeaea; }
.section--dark h1, .section--dark h2, .section--dark h3 { color: #fff; }
.section--dark p { color: #d0d0d0; }

.eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-primary-dark);
  margin-bottom: var(--space-3);
}
.section--dark .eyebrow { color: #7fb8ff; }

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.9rem 1.6rem;
  font-weight: 700;
  font-size: 1rem;
  line-height: 1;
  border-radius: var(--radius-sm);
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  transition: background .15s ease, color .15s ease, border-color .15s ease, box-shadow .15s ease, transform .15s ease;
  min-height: 44px; /* WCAG 2.5.5 target size */
  box-shadow: 0 1px 0 rgba(0,0,0,0.04);
}
.btn:active { transform: translateY(1px); }
.btn--primary       { background: var(--color-primary-dark); color: #fff; border-color: var(--color-primary-dark); }
.btn--primary:hover { background: #003D7A; border-color: #003D7A; box-shadow: 0 6px 18px -6px rgba(0, 123, 255,0.45); }
.btn--secondary       { background: transparent; color: var(--color-ink); border-color: var(--color-ink); }
.btn--secondary:hover { background: var(--color-ink); color: #fff; }
.btn--inverse         { background: #fff; color: var(--color-ink); border-color: #fff; }
.btn--inverse:hover   { background: transparent; color: #fff; }
.btn--ghost         { background: transparent; color: #fff; border-color: #fff; }
.btn--ghost:hover   { background: #fff; color: var(--color-ink); }

/* --- Header / Nav --- */
.site-header {
  background: rgba(255,255,255,0.92);
  backdrop-filter: saturate(140%) blur(8px);
  -webkit-backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--color-border);
  position: sticky; top: 0; z-index: 100;
  box-shadow: 0 1px 0 rgba(0,0,0,0.02), 0 8px 20px -16px rgba(0,0,0,0.18);
}
.site-header__inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--space-5);
  padding: var(--space-4) 0;
}
.site-logo { display: inline-flex; align-items: center; }
.site-logo img { height: 52px; width: auto; max-width: 260px; }
@media (max-width: 600px) { .site-logo img { height: 44px; max-width: 200px; } }
.site-logo:focus-visible { outline-offset: 4px; }

.primary-nav { display: flex; align-items: center; gap: var(--space-2); }
.primary-nav ul {
  display: flex; gap: var(--space-1);
  list-style: none; padding: 0; margin: 0;
}
.primary-nav a {
  display: inline-block;
  padding: var(--space-3) var(--space-4);
  color: var(--color-ink);
  text-decoration: none;
  font-weight: 500;
  border-radius: var(--radius-sm);
  min-height: 44px;
  line-height: 1.4;
}
.primary-nav a:hover { background: var(--color-surface-alt); }
.primary-nav a[aria-current="page"] {
  color: var(--color-primary-dark);
  font-weight: 700;
  box-shadow: inset 0 -3px 0 var(--color-primary);
}

.nav-toggle {
  display: none;
  background: transparent; border: 2px solid var(--color-ink);
  padding: var(--space-2) var(--space-3); border-radius: var(--radius-sm);
  color: var(--color-ink); font-weight: 600;
  min-height: 44px; min-width: 44px; cursor: pointer;
  align-items: center; gap: var(--space-2);
}
.nav-toggle__bars { display: inline-flex; flex-direction: column; gap: 3px; }
.nav-toggle__bars span { display: block; width: 20px; height: 2px; background: var(--color-ink); }

@media (max-width: 900px) {
  .nav-toggle { display: inline-flex; }
  .primary-nav {
    position: absolute; top: 100%; left: 0; right: 0;
    background: #fff; border-bottom: 1px solid var(--color-border);
    padding: var(--space-3) var(--space-5);
    display: none;
  }
  .primary-nav[data-open="true"] { display: block; }
  .primary-nav ul { flex-direction: column; gap: 0; }
  .primary-nav a { display: block; border-bottom: 1px solid var(--color-border); border-radius: 0; }
}

/* --- Hero --- */
.hero {
  position: relative;
  isolation: isolate;
  background:
    radial-gradient(900px 500px at 85% 110%, rgba(0, 123, 255,0.55), transparent 60%),
    radial-gradient(700px 400px at 10% -10%, rgba(0, 123, 255,0.25), transparent 60%),
    linear-gradient(135deg, #0d0d0d 0%, #0d1420 55%, #0a1b33 100%);
  color: #fff;
  padding: clamp(var(--space-8), 10vw, var(--space-9)) 0 calc(var(--space-9) + var(--space-4));
  overflow: hidden;
}
/* Diagonal hairline pattern overlay for subtle industrial texture */
.hero::before {
  content: "";
  position: absolute; inset: 0; z-index: -1;
  background-image:
    repeating-linear-gradient(45deg, rgba(255,255,255,0.035) 0 1px, transparent 1px 22px);
  pointer-events: none;
}
/* Faint blue brand glow in the corner */
.hero::after {
  content: "";
  position: absolute; right: -80px; bottom: -80px; z-index: -1;
  width: 360px; height: 360px;
  background: radial-gradient(circle, rgba(0, 123, 255,0.28), transparent 65%);
  pointer-events: none;
}
.hero__inner { position: relative; max-width: 820px; }
.hero h1 { color: #fff; margin-bottom: var(--space-5); }
.hero p  { color: #ececec; font-size: 1.2rem; max-width: 60ch; margin-bottom: var(--space-6); }
.hero .eyebrow { color: #bfe0ff; }
.hero__cta { display: flex; flex-wrap: wrap; gap: var(--space-3); }

/* --- Cards / grids --- */
.grid { display: grid; gap: var(--space-5); }
.grid--2 { grid-template-columns: repeat(2, minmax(0,1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0,1fr)); }
.grid--4 { grid-template-columns: repeat(4, minmax(0,1fr)); }
@media (max-width: 900px) { .grid--3, .grid--4 { grid-template-columns: repeat(2, minmax(0,1fr)); } }
@media (max-width: 600px) { .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; } }

.card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  transition: box-shadow .15s ease, transform .15s ease, border-color .15s ease;
}
.card:hover { box-shadow: var(--shadow-md); border-color: #bbb; }
.card h3 { margin-top: 0; }
.card__icon {
  width: 48px; height: 48px; border-radius: var(--radius-sm);
  background: rgba(0, 123, 255,0.08); color: var(--color-primary-dark);
  display: inline-flex; align-items: center; justify-content: center;
  margin-bottom: var(--space-4); font-weight: 700;
}
.card__icon svg { width: 26px; height: 26px; fill: currentColor; }

/* Dark-section card variant (for Industries band on homepage) */
.card--dark { background: #171717; border-color: #2a2a2a; color: #d0d0d0; }
.card--dark h3 { color: #ffffff; }
.card--dark p  { color: #bdbdbd; }
.card--dark:hover { border-color: #3a3a3a; box-shadow: 0 6px 20px rgba(0,0,0,0.4); }

/* Capabilities jump nav */
.cap-jump {
  list-style: none; padding: 0; margin: 0;
  display: flex; flex-wrap: wrap; gap: var(--space-2);
}
.cap-jump a {
  display: inline-block;
  padding: 0.6rem 1rem;
  border: 2px solid var(--color-border);
  border-radius: 999px;
  color: var(--color-ink);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  min-height: 44px;
  line-height: 1.6;
  background: #fff;
}
.cap-jump a:hover { border-color: var(--color-primary-dark); color: var(--color-primary-dark); }

/* DMAIC stepper (ordered list with numbered pills) */
.stepper {
  list-style: none; counter-reset: step;
  padding: 0; margin: var(--space-6) 0 0;
  display: grid; gap: var(--space-4);
}
.stepper li {
  counter-increment: step;
  position: relative;
  padding: var(--space-5) var(--space-5) var(--space-5) 5rem;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}
.stepper li::before {
  content: counter(step);
  position: absolute;
  left: var(--space-4);
  top: var(--space-4);
  width: 44px; height: 44px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 50%;
  background: var(--color-primary-dark); color: #fff;
  font-weight: 800; font-size: 1.1rem;
  font-variant-numeric: tabular-nums;
}
.stepper li strong {
  display: block; color: var(--color-ink);
  font-size: 1.1rem; margin-bottom: var(--space-1);
}
.stepper li span { color: var(--color-muted); }

/* Stats variant — vertical stack inside a split column */
.stats--stack { display: grid; grid-template-columns: 1fr; gap: var(--space-5); }
.stats--stack .stat { text-align: left; }

/* --- Stats band --- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-6); }
@media (max-width: 900px) { .stats { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 500px) { .stats { grid-template-columns: 1fr; } }
.stat { text-align: center; }
.stat__num  { font-size: clamp(2rem, 1.4rem + 2vw, 3rem); font-weight: 700; color: var(--color-primary); line-height: 1; }
.stat__label { color: var(--color-muted); font-weight: 500; margin-top: var(--space-2); }
.section--dark .stat__label { color: #c8c8c8; }

/* --- Split layout --- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-8); align-items: center; }
@media (max-width: 900px) { .split { grid-template-columns: 1fr; gap: var(--space-6); } }
.split__image {
  aspect-ratio: 4 / 3;
  background: linear-gradient(135deg, #1a1a1a, #333);
  border-radius: var(--radius-md);
  position: relative; overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.split__image::after {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(circle at 30% 30%, rgba(0, 123, 255,0.35), transparent 60%);
}
.split__image svg { position: absolute; inset: 0; margin: auto; width: 50%; height: auto; opacity: 0.9; }

/* --- Lists --- */
.check-list { list-style: none; padding: 0; margin: 0 0 var(--space-5); }
.check-list li {
  position: relative;
  padding-left: 2rem;
  margin-bottom: var(--space-3);
}
.check-list li::before {
  content: "";
  position: absolute; left: 0; top: 0.4em;
  width: 18px; height: 18px;
  background: var(--color-primary-dark);
  -webkit-mask: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path d='M9 16.2l-3.5-3.6L4 14l5 5 11-11-1.5-1.4z'/></svg>") center/contain no-repeat;
          mask: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path d='M9 16.2l-3.5-3.6L4 14l5 5 11-11-1.5-1.4z'/></svg>") center/contain no-repeat;
}

/* --- CTA band --- */
.cta-band {
  background: linear-gradient(135deg, var(--color-primary-dark), #003D7A);
  color: #fff; padding: var(--space-8) 0;
  text-align: center;
}
.cta-band h2 { color: #fff; }
.cta-band p { color: #e6f2ff; max-width: 60ch; margin-left: auto; margin-right: auto; }

/* --- Forms --- */
.form { display: grid; gap: var(--space-4); max-width: 640px; }
.field { display: flex; flex-direction: column; gap: var(--space-2); }
.field label { font-weight: 600; color: var(--color-ink); }
.field .req { color: var(--color-primary-dark); }
.field .hint { font-size: 0.875rem; color: var(--color-muted); }
.field input, .field select, .field textarea {
  font: inherit;
  padding: 0.75rem 0.9rem;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: #fff; color: var(--color-ink);
  min-height: 44px;
}
.field textarea { min-height: 140px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: var(--color-focus);
  outline: 3px solid var(--color-focus);
  outline-offset: 0;
}
.field[aria-invalid="true"] input,
.field[aria-invalid="true"] textarea { border-color: var(--color-primary-dark); }
.form__status {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-sm);
  background: #eef6ff; color: #0b3b7a; border: 1px solid #b8d3f2;
}
.form__status[data-state="error"] { background: #fdecec; color: #7a1f1f; border-color: #f4b3b3; }

/* --- Breadcrumb --- */
.breadcrumb { padding: var(--space-4) 0; background: var(--color-surface-alt); border-bottom: 1px solid var(--color-border); }
.breadcrumb ol { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: var(--space-2); font-size: 0.9rem; }
.breadcrumb li + li::before { content: "/"; margin-right: var(--space-2); color: var(--color-muted); }
.breadcrumb a { color: var(--color-muted); }

/* --- Footer --- */
.site-footer {
  background: var(--color-surface-dark);
  color: #d0d0d0;
  padding: var(--space-8) 0 var(--space-5);
}
.site-footer a { color: #bfe0ff; }
.site-footer a:hover { color: #fff; }
.site-footer h3 {
  color: #fff; font-size: 1rem; text-transform: uppercase;
  letter-spacing: 0.1em; margin-bottom: var(--space-4);
}
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: var(--space-6); }
@media (max-width: 900px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 500px) { .footer-grid { grid-template-columns: 1fr; } }
.site-footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: var(--space-2); }
.footer-brand img { height: 52px; max-width: 260px; background: #fff; padding: 6px 10px; border-radius: var(--radius-sm); }
.footer-brand p { color: #bdbdbd; margin-top: var(--space-4); max-width: 40ch; }
.footer-legal {
  margin-top: var(--space-7); padding-top: var(--space-4);
  border-top: 1px solid #2a2a2a;
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--space-3);
  font-size: 0.875rem; color: #a7a7a7;
}
.footer-legal a { color: #c9c9c9; }

/* --- Misc --- */
.page-header {
  position: relative;
  isolation: isolate;
  background:
    radial-gradient(700px 320px at 85% 110%, rgba(0, 123, 255,0.45), transparent 60%),
    linear-gradient(135deg, #111 0%, #0a1528 100%);
  color: #fff; padding: var(--space-8) 0;
  overflow: hidden;
}
.page-header::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background-image: repeating-linear-gradient(45deg, rgba(255,255,255,0.03) 0 1px, transparent 1px 22px);
  pointer-events: none;
}
.page-header h1 { color: #fff; margin-bottom: var(--space-3); }
.page-header p { color: #ececec; max-width: 60ch; font-size: 1.1rem; }

.logo-strip { display: flex; flex-wrap: wrap; gap: var(--space-6); align-items: center; justify-content: center; }
.logo-strip span {
  font-weight: 700; font-size: 1.1rem;
  color: var(--color-muted); letter-spacing: 0.05em;
  padding: var(--space-2) var(--space-4);
  border: 2px solid var(--color-border); border-radius: var(--radius-sm);
}