/*base.css */

/* ==========================================================================
   Integritech Solutions Inc. — Base styles, design tokens, typography
   ========================================================================== */

:root {
  /* Color */
  --ink-1000: #0b1526ee;

  --ink-900: #0b1526;
  --ink-800: #14263f;
  --ink-700: #1c3352;
  --ink-600: #3d4f68; /* was purple; used by About card descriptions */
  --ink-500: #000c1e; /* was purple; used by About card descriptions */

  --paper-100: #f1f2f4;
  --paper-000: #ffffff;
  --text-body: #2b3542;
  --text-muted: #5c6773;
  --text-on-dark: #ffffff;
  --text-on-dark-muted: #c3ccd6;
  --text-dark: #04010f;
  /* Brand palette — sampled from the company logo */
  --accent-blue: #2c7bc0;
  --accent-blue-dark: #1d5c93;
  --accent-blue-bright: #5fa8e0;
  --accent-green: #4caf50;
  --accent-green-dark: #3b8f45;
  --accent-green-bright: #7fcb5b;
  --border-on-dark: rgba(233, 236, 241, 0.14);
  --border-on-light: rgba(11, 21, 38, 0.12);
  --transparent-blue: #0c2b4e82;
  --accent-purple: #774caf;

  /* Hero background tint — adjust --hero-tint (0–1) to taste */
  --hero-tint-rgb: 11, 21, 26;
  --hero-tint: 0.72;

  /* Section background overlays: click the swatch to pick color + opacity */
  --services-overlay: rgba(11, 21, 38, 0.7);
  --work-overlay: rgba(232, 240, 250, 0);

  --work-frame-bg: #ffffff;

  --hero-overlay: rgba(255, 255, 255, 0.55); /* click swatch: color + opacity */

  --card-navy: #14263f; /* services cards, tabs, about cards */
  --about-overlay: rgba(11, 21, 38, 0.92); /* about background tint */

  /* Footer background tint — same mechanism as hero/work. */
  --footer-tint-rgb: 11, 21, 26;
  --footer-tint: 0.75;

  /* Header height, referenced by the hero offset and mobile dropdown */
  --header-h: 88px;

  /* Type */
  --font-display: "Space Grotesk", "Roboto", -apple-system, sans-serif;
  --font-body: "Roboto", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: "Roboto Mono", "SFMono-Regular", Menlo, monospace;

  /* Scale (major third-ish, tuned by eye) */
  --step--1: 0.875rem;
  --step-0: 1rem;
  --step-1: 1.25rem;
  --step-2: 1.625rem;
  --step-3: 2.25rem;
  --step-4: 3.25rem;
  --step-5: 4.25rem;

  /* Layout */
  --content-max: 1350px;

  /* Side margins for the whole site — one value, applies to left AND
     right equally on every .container. Raise the min/max to push
     content in from the edges; lower them to widen it. Current:
     1.25rem on tiny screens, scaling up to 3rem on wide screens. */
  --gutter: clamp(1rem, 3vw, 2rem);
  --radius-sm: 3px;
  --radius-sm1: 16px;

  /* Max width of the hero visual column — raise this to make the
     hero image bigger, lower it to shrink it. It competes with the
     copy column for space inside --content-max, so pushing it very
     high will start squeezing the headline. */
  --hero-visual-col: 700px;
}

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

html {
  scroll-behavior: smooth;
}

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

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--step-0);
  line-height: 1.6;
  color: var(--text-body);
  background: var(--paper-000);
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  margin: 0;
  color: inherit;
}

p {
  margin: 0;
  max-width: 100ch;
}

a {
  color: inherit;
  text-decoration: none;
}

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

button {
  font-family: inherit;
  cursor: pointer;
  background: var(--accent-blue);
  border: none;
  color: inherit;
  padding: 0;
  appearance: none;
}

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

/* Visible keyboard focus, always */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--accent-blue-bright);
  outline-offset: 3px;
}

.container {
  max-width: var(--content-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

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

.bg-navy {
  background: var(--ink-900);
  color: var(--text-on-dark);
}

@media (max-width: 860px) {
  :root {
    --header-h: 72px;
  }
}