:root {
  /* ==========================================================
     COLOR
     See static/css/token_dictionary.md for the full reference.
     ========================================================== */

  /* --- Brand red ---
     Softer and less aggressive than the original vivid red —
     preserves Intercast's energy without excessive vibration
     against white. */
  --color-bg-brand: #D9363E;
  --color-bg-brand-hover: #C32931;
  --color-bg-brand-soft: #C83F45;   /* large fills (banners) */
  --color-bg-brand-subtle: #F8EEEE; /* light red-tinted cards */
  --color-border-brand: #D9363E;
  --color-border-brand-hover: #C32931;
  --color-text-brand: #D9363E;

  /* --- Surfaces --- */
  --color-bg-surface: #FFFFFF;
  --color-bg-surface-alt: #F5F5F4;  /* warmer than pure gray */
  --color-bg-surface-warm: #F8F6F2; /* editorial/premium sections */
  --color-bg-surface-dark: #222222;

  /* --- Text --- */
  --color-text-primary: #24272A;
  --color-text-secondary: #666C70;
  --color-text-inverse: #FFFFFF;

  /* --- Borders --- */
  --color-border: #DDDEDE;
  --color-border-dark: #3B3B3B;

  /* --- Status — reserved, not used yet. Deliberately distinct
     from brand red so "error" and "brand button" never get
     confused side by side. --- */
  --color-bg-success-subtle: #E6F4EA;
  --color-bg-warning-subtle: #FCF0DD;
  --color-bg-danger-subtle: #FBE9E7;
  --color-bg-info-subtle: #E7F1FA;
  --color-text-success: #1E8E3E;
  --color-text-warning: #8A5300;
  --color-text-danger: #D32F2F;
  --color-text-info: #0B5FA5;
  --color-border-success: #1E8E3E;
  --color-border-warning: #B25E00;
  --color-border-danger: #D32F2F;
  --color-border-info: #0B5FA5;

  /* --- Neutrals (not tied to one UI element) --- */
  --color-ink: #171717;
  --color-steel: #5E6468;


  /* ==========================================================
     FONT
     ========================================================== */

  --font-family-body: 'Inter', sans-serif;
  --font-family-heading: 'Manrope', sans-serif;
  --font-family-cta: 'Manrope', sans-serif;

  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-md: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.5rem;
  --font-size-2xl: 2rem;
  --font-size-3xl: 3rem;
  --font-size-4xl: 4.75rem;

  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;


  /* ==========================================================
     SPACE
     Most spacing in the templates comes from Bootstrap utility
     classes (gap-4, py-5...) — these primitives back the custom
     rules in this file, not a wholesale replacement.
     ========================================================== */

  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;


  /* ==========================================================
     RADIUS
     rounded-* classes in templates are Bootstrap's own utility,
     unrelated to this scale.
     ========================================================== */

  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-full: 9999px;


  /* ==========================================================
     SHADOW — reserved, not used yet
     ========================================================== */

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, .08);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, .10);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, .14);


  /* ==========================================================
     MOTION
     ========================================================== */

  --motion-duration-fast: 150ms;
  --motion-duration-base: 200ms;
  --motion-easing-standard: ease;
}


/* ==========================================================
   BASE
   ========================================================== */

body {
  font-family: var(--font-family-body);
  font-weight: var(--font-weight-regular);
  font-size: var(--font-size-md);
  line-height: 1.65;
  color: var(--color-text-primary);
  background-color: var(--color-bg-surface);

  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}


h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-family-heading);
  color: var(--color-ink);
  margin-top: 0;
}

/* H1 — Hero / primary page statement */
h1 {
  font-size: clamp(var(--font-size-3xl), 5vw, var(--font-size-4xl));
  font-weight: var(--font-weight-bold);
  line-height: 1.05;
  letter-spacing: -0.04em;
}

/* H2 — Major section headings */
h2 {
  font-size: clamp(var(--font-size-2xl), 3vw, var(--font-size-3xl));
  font-weight: var(--font-weight-bold);
  line-height: 1.12;
  letter-spacing: -0.03em;
}

/* H3 — Cards / subsection headings */
h3 {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  line-height: 1.3;
  letter-spacing: -0.015em;
}

/* H4 */
h4 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  line-height: 1.35;
  letter-spacing: -0.01em;
}

/* H5 / H6 */
h5,
h6 {
  font-weight: var(--font-weight-semibold);
  line-height: 1.4;
  letter-spacing: -0.005em;
}


/* ==========================================================
   BODY COPY
   ========================================================== */

p {
  font-family: var(--font-family-body);
  font-weight: var(--font-weight-regular);
  line-height: 1.7;
}

/* Recommended class for introductory / lead paragraphs. */
.lead {
  font-family: var(--font-family-body);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-regular);
  line-height: 1.65;
  letter-spacing: -0.005em;
}


/* ==========================================================
   LINKS
   ========================================================== */

a {
  text-underline-offset: 0.18em;
}


/* ==========================================================
   SMALL / META TEXT
   Certifications, dates, technical metadata, captions, etc.
   ========================================================== */

small,
.small {
  font-family: var(--font-family-body);
  font-size: var(--font-size-sm);
  line-height: 1.5;
}


/* ==========================================================
   OPTIONAL DISPLAY TEXT
   Use sparingly for major marketing statements where a larger
   typographic treatment is desired without using H1.
   ========================================================== */

.display-heading {
  font-family: var(--font-family-heading);
  font-size: clamp(var(--font-size-2xl), 4vw, var(--font-size-3xl));
  font-weight: var(--font-weight-bold);
  line-height: 1.06;
  letter-spacing: -0.035em;
}


/* ==========================================================
   PRIMARY BUTTON
   ========================================================== */

/*
 * Primary CTA remains RED.
 *
 * This is intentional.
 * Intercast's red is an important part of the visual identity
 * and provides energy against the neutral page backgrounds.
 *
 * The softer red reduces the aggressive white/red contrast
 * of the previous palette.
 */

.btn-brand {
  font-family: var(--font-family-cta);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  line-height: 1.2;
  letter-spacing: 0.01em;
  text-transform: none;

  border-radius: var(--radius-md);
  padding: var(--space-md) var(--space-xl);

  background-color: var(--color-bg-brand);
  border: 1px solid var(--color-border-brand);
  color: var(--color-text-inverse);

  transition:
    background-color var(--motion-duration-base) var(--motion-easing-standard),
    border-color var(--motion-duration-base) var(--motion-easing-standard),
    transform var(--motion-duration-base) var(--motion-easing-standard);
}


.btn-brand:hover,
.btn-brand:focus {
  background-color: var(--color-bg-brand-hover);
  border-color: var(--color-border-brand-hover);
  color: var(--color-text-inverse);
}


/* ==========================================================
   OUTLINE BUTTON
   ========================================================== */

.btn-brand-outline {
  font-family: var(--font-family-cta);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  line-height: 1.2;
  letter-spacing: 0.01em;
  text-transform: none;

  border-radius: var(--radius-md);
  padding: var(--space-md) var(--space-xl);

  background-color: transparent;
  border: 1px solid var(--color-border-brand);
  color: var(--color-text-brand);

  transition:
    background-color var(--motion-duration-base) var(--motion-easing-standard),
    border-color var(--motion-duration-base) var(--motion-easing-standard),
    color var(--motion-duration-base) var(--motion-easing-standard);
}


.btn-brand-outline:hover,
.btn-brand-outline:focus {
  background-color: var(--color-bg-brand);
  border-color: var(--color-border-brand);
  color: var(--color-text-inverse);
}


/* ==========================================================
   BRAND BACKGROUNDS
   ========================================================== */

/*
 * Strong red surface.
 * Use sparingly.
 */

.bg-brand {
  background-color: var(--color-bg-brand);
  color: var(--color-text-inverse);
}


/*
 * Softer red surface.
 *
 * Preferred when a larger area needs to carry Intercast red.
 */

.bg-brand-soft {
  background-color: var(--color-bg-brand-soft);
  color: var(--color-text-inverse);
}


/*
 * Neutral alternate section.
 */

.bg-brand-alt {
  background-color: var(--color-bg-surface-alt);
}


/*
 * Very subtle red-tinted section.
 */

.bg-brand-light {
  background-color: var(--color-bg-brand-subtle);
  color: var(--color-text-primary);
}


/*
 * Dark section.
 *
 * Reserved mainly for footer or sections that genuinely
 * benefit from strong visual separation.
 */

.bg-brand-dark {
  background-color: var(--color-bg-surface-dark);
  color: var(--color-text-inverse);
}


/* ==========================================================
   HEADINGS ON COLORED BACKGROUNDS
   ========================================================== */

.bg-brand h1,
.bg-brand h2,
.bg-brand h3,
.bg-brand h4,
.bg-brand h5,
.bg-brand h6,
.bg-brand-soft h1,
.bg-brand-soft h2,
.bg-brand-soft h3,
.bg-brand-soft h4,
.bg-brand-soft h5,
.bg-brand-soft h6,
.bg-brand-dark h1,
.bg-brand-dark h2,
.bg-brand-dark h3,
.bg-brand-dark h4,
.bg-brand-dark h5,
.bg-brand-dark h6 {
  color: var(--color-text-inverse);
}


/* ==========================================================
   BRAND TEXT
   ========================================================== */

.text-brand {
  color: var(--color-text-brand);
}


/* ==========================================================
   EYEBROW
   ========================================================== */

.eyebrow {
  font-family: var(--font-family-heading);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  line-height: 1.2;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
}


/*
 * On red/dark backgrounds use softened white.
 */

.bg-brand-dark .eyebrow,
.bg-brand-soft .eyebrow,
.bg-brand .eyebrow {
  color: rgba(255, 255, 255, .78);
}


/* ==========================================================
   NAVIGATION
   ========================================================== */

.nav-link-upper {
  font-family: var(--font-family-body);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.01em;
  /* Do NOT force uppercase — "Capabilities" instead of "CAPABILITIES" */
  text-transform: none;

  transition:
    color var(--motion-duration-fast) var(--motion-easing-standard),
    opacity var(--motion-duration-fast) var(--motion-easing-standard);
}


.nav-link-upper:hover,
.nav-link-upper:focus {
  color: var(--color-text-brand);
}


/* ==========================================================
   SECTIONS
   ========================================================== */

section {
  padding: var(--space-3xl) 0;
}


/* ==========================================================
   HOME HERO
   ========================================================== */

/*
 * Background image (dynamic, from content/home.yaml)
 * is set inline on the section element.
 */

.hero-text-col {
  /* replaces the old py-5 utility class — needed as plain CSS
     (not !important) so the mobile override below can win */
  padding-top: var(--space-2xl);
  padding-bottom: var(--space-2xl);

  padding-left:
    max(
      var(--space-lg),
      calc((100vw - 1320px) / 2 + 0.75rem)
    );

  padding-right: var(--space-2xl);
}

/*
 * Smaller than the global h1 (clamp 3rem-4.75rem) — the hero headline
 * runs longer than a typical page h1, so it needs more headroom before
 * wrapping to 3+ lines in the narrower hero-text-col. Not touched at
 * the --font-size-* token level since other pages' h1 may not need this.
 */
.hero-text-col h1 {
  font-size: clamp(1.75rem, 3vw, 2.75rem);
}


/*
 * Free the text column from the 50%-wide col-lg-6 constraint
 * as soon as the watermark starts (1568px) instead of waiting
 * for Bootstrap's 992px breakpoint.
 *
 * No reason to keep squeezing the paragraph once the image
 * is already fading behind it.
 *
 * Capped with max-width so lines stay readable.
 */

@media (max-width: 1568px) and (min-width: 992px) {

  .hero-text-col {
    width: 100%;
    max-width: 640px;
    flex: 0 0 auto;
  }

}


/* ==========================================================
   HERO TURBINE
   ========================================================== */

.hero-turbine-section {
  background-repeat: no-repeat;
  background-position: right 4rem center;
  background-size: 760px auto;
  min-height: 600px;
}


/* ==========================================================
   HERO TURBINE OVERLAY
   ========================================================== */

.hero-turbine-overlay {
  position: absolute;
  inset: 0;

  opacity: 0;

  background:
    linear-gradient(
      180deg,
      var(--color-bg-surface-alt) 53%,
      rgba(245, 245, 244, 0) 100%
    );

  pointer-events: none;

  transition: opacity var(--motion-duration-base) var(--motion-easing-standard);
}


/*
 * Below ~1568px the 760px-wide image starts overlapping
 * the text column geometrically.
 *
 * Ramp the watermark overlay up from there so it's never
 * visible-and-uncovered at the same time.
 */

@media (max-width: 1568px) {

  .hero-turbine-overlay {
    opacity: .25;
  }

}


@media (max-width: 1400px) {

  .hero-turbine-overlay {
    opacity: .5;
  }

}


@media (max-width: 1200px) {

  .hero-turbine-overlay {
    opacity: .75;
  }

}


/* ==========================================================
   HERO — TABLET / MOBILE
   ========================================================== */

@media (max-width: 991.98px) {

  .hero-text-col {
    padding-top: var(--space-2xl);
    padding-right: var(--space-lg);
  }


  .hero-turbine-section {
    /* Slight zoom past 100%-width "contain" (110%) to gain height
       for the heading — trades a small, even crop off both left
       and right edges (~5% each side) for a taller visible image
       so the 3-line heading sits within it, not spilling past its
       bottom edge onto flat background. */
    background-size: 110% auto;
    background-position: center top;
    min-height: 560px;
  }

  /*
   * The eyebrow sits directly over the photo here — give it its
   * own dark pill background instead of leaning on the overlay
   * gradient for contrast, so it reads cleanly regardless of
   * what part of the image (or how much fade) is behind it.
   */
  .hero-turbine-section .eyebrow {
    display: inline-block;
    background-color: rgba(0, 0, 0, .45);
    color: var(--color-text-inverse);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-sm);
  }


  /*
   * Inverted from desktop:
   *
   * One continuous fade, not a "fully clear, then cut to solid"
   * two-stage overlay — starts with a light 25% tint (so the
   * eyebrow has *some* contrast the moment it appears, instead of
   * sitting on 0%-covered raw photo) and increases gradually to
   * fully solid by ~280px, matching the 110%-zoomed image's taller
   * rendered height above. Text is NOT pushed down to dodge the
   * image — the image stays large and the gradient runs THROUGH
   * the heading, not before it.
   */

  .hero-turbine-overlay {
    opacity: 1;

    background:
      linear-gradient(
        180deg,
        rgba(245, 245, 244, .25) 0px,
        var(--color-bg-surface-alt) 280px,
        var(--color-bg-surface-alt) 100%
      );
  }

}


/* ==========================================================
   MOBILE TYPOGRAPHY
   ========================================================== */

@media (max-width: 767.98px) {

  h1 {
    font-size: clamp(2.35rem, 10vw, 3.25rem);
    line-height: 1.08;
    letter-spacing: -0.035em;
  }

  h2 {
    font-size: clamp(1.85rem, 7vw, 2.4rem);
    line-height: 1.15;
    letter-spacing: -0.025em;
  }

  h3 {
    font-size: 1.3rem;
  }

  body {
    line-height: 1.6;
  }

  p {
    line-height: 1.65;
  }

}


/* ==========================================================
   CHIP LIST
   Compact, wrapping tag list. Originally built for Home
   Industries (replaced a two-column "paragraph + table" layout
   that read as too tall/heavy) — generalized here so any page can
   reuse it for a short list of names: static labels (.chip) or
   real links (.chip-link, adds hover/focus + chevron).
   Reuses tokens: --color-border and --font-weight-medium were
   defined but unused before this; --color-steel and
   --color-bg-brand-subtle already existed for other components.
   ========================================================== */

.chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  background-color: var(--color-bg-surface);
}

/* .chip-link: interactive variant for actual navigation (an <a>).
   Plain .chip (span/div) is used for static, non-clickable labels
   like credential names — same look, no hover/focus/cursor. */
.chip-link {
  text-decoration: none;
  transition:
    background-color var(--motion-duration-fast) var(--motion-easing-standard),
    border-color var(--motion-duration-fast) var(--motion-easing-standard),
    color var(--motion-duration-fast) var(--motion-easing-standard);
}

.chip-icon {
  font-size: 0.7em;
  color: var(--color-steel);
  transition:
    transform var(--motion-duration-fast) var(--motion-easing-standard),
    color var(--motion-duration-fast) var(--motion-easing-standard);
}

/* Hover AND focus-visible get the same treatment — background tint
   plus border/text color shift, not color alone, so keyboard users
   get the same signal as mouse users (and it isn't color-only
   either way). */
.chip-link:hover,
.chip-link:focus-visible {
  background-color: var(--color-bg-brand-subtle);
  border-color: var(--color-border-brand);
  color: var(--color-text-brand);
}

.chip-link:hover .chip-icon,
.chip-link:focus-visible .chip-icon {
  color: var(--color-text-brand);
  transform: translateX(3px);
}

.chip-link:focus-visible {
  outline: 2px solid var(--color-border-brand);
  outline-offset: 2px;
}

/* ==========================================================
   INDUSTRY TABS (Bootstrap nav-pills, /industries page)
   Same visual language as .chip: subtle brand tint on
   hover/focus, solid brand fill for the active pill.
   ========================================================== */

#industryTabs .nav-link {
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  background-color: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  transition:
    background-color var(--motion-duration-fast) var(--motion-easing-standard),
    border-color var(--motion-duration-fast) var(--motion-easing-standard),
    color var(--motion-duration-fast) var(--motion-easing-standard);
}

#industryTabs .nav-link:hover,
#industryTabs .nav-link:focus-visible {
  background-color: var(--color-bg-brand-subtle);
  border-color: var(--color-border-brand);
  color: var(--color-text-brand);
}

#industryTabs .nav-link.active {
  background-color: var(--color-bg-brand);
  border-color: var(--color-bg-brand);
  color: #fff;
}