/* ============================================================
   Master Commercial Roofing — Main Stylesheet
   mastercommercialroofing.com

   Table of Contents:
     1.  CSS Custom Properties (Brand Tokens)
     2.  CSS Reset & Base Styles
     3.  Typography
     4.  Layout Utilities
     5.  Top Bar (Sister Site Banner)
     6.  Navigation
     7.  Hero Section
     8.  Trust / Credential Bar
     9.  Section Headings
     10. Service Cards
     11. Roofing Systems Grid
     12. Before / After Image Slider
     13. Project Gallery
     14. Testimonials
     15. CTA Band
     16. Contact Form & Info
     17. Footer
     18. About Page
     19. Services Page — System Detail Blocks
     20. Responsive Breakpoints

   Design notes:
     - Light-dominant layout: red on white/light grey is the default look.
     - Cool greys throughout — no warm tones (warm = A+, cool = MCR).
     - Red #D50000 is always the CTA color regardless of section.
     - Sister site A+ Improvements uses warm palette for contrast.
   ============================================================ */


/* ============================================================
   1. CSS Custom Properties — Brand Tokens
   ============================================================ */
:root {
  /* --- Brand Colors --- */
  --color-primary:     #D50000;   /* Red — CTAs, buttons, top bar, accents */
  --color-primary-dk:  #aa0000;   /* Darker red — hover states */
  --color-dark-bg:     #111111;   /* Near-black — hero, dark sections */
  --color-body-lt:     #4a4a4a;   /* Dark grey — body text on light backgrounds */
  --color-body-dk:     #a0a0a0;   /* Mid grey — body text on dark backgrounds */
  --color-border:      #d0d0d0;   /* Light grey — dividers, card strokes */
  --color-bg:          #f8f8f8;   /* Off-white — page background, light sections */
  --color-white:       #ffffff;
  --color-headline:    #111111;   /* Near-black — headlines on light backgrounds */
  --color-mid-bg:      #eeeeee;   /* Light grey — tinted sections */

  /* --- Typography --- */
  --font-display:  'Barlow Condensed', 'Arial Narrow', Arial, sans-serif;
  --font-sans:     'Barlow', system-ui, -apple-system, sans-serif;

  /* --- Spacing Scale --- */
  --space-xs:   0.5rem;
  --space-sm:   1rem;
  --space-md:   2rem;
  --space-lg:   4rem;
  --space-xl:   6rem;
  --space-2xl:  8rem;

  /* --- Layout --- */
  --max-width:       1200px;
  --topbar-height:   40px;
  --nav-height:      76px;

  /* --- Border Radius --- */
  --radius-sm:  4px;
  --radius-md:  8px;

  /* --- Transitions --- */
  --transition-fast:  0.15s ease;
  --transition-base:  0.25s ease;
}


/* ============================================================
   2. CSS Reset & Base Styles
   ============================================================ */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-body-lt);
  background-color: var(--color-white);
  padding-top: calc(var(--topbar-height) + var(--nav-height));
}

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

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

ul, ol {
  list-style: none;
}

button {
  cursor: pointer;
  font-family: inherit;
  border: none;
  background: none;
}

:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 3px;
}


/* ============================================================
   3. Typography
   ============================================================ */

/* Display headings — Barlow Condensed ExtraBold */
h1, h2, h3,
.heading-display {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.05;
  color: var(--color-headline);
  letter-spacing: -0.01em;
  text-transform: uppercase;
}

h1 { font-size: clamp(2.5rem, 6vw, 5rem); }
h2 { font-size: clamp(2rem, 4vw, 3.25rem); }
h3 { font-size: clamp(1.4rem, 2.5vw, 2rem); }

/* Body copy — Barlow Regular */
p {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.75;
  color: var(--color-body-lt);
  max-width: 68ch;
}

/* Eyebrow — small uppercase tag */
.eyebrow {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}


/* ============================================================
   4. Layout Utilities
   ============================================================ */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--space-md);
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  align-items: center;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.text-center { text-align: center; }

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

.section {
  padding-block: var(--space-lg);
}

.section--dark {
  background-color: var(--color-dark-bg);
}

.section--dark h1,
.section--dark h2,
.section--dark h3 {
  color: var(--color-white);
}

.section--dark p {
  color: var(--color-body-dk);
}

.section--mid {
  background-color: var(--color-mid-bg);
}


/* ============================================================
   5. Top Bar (Sister Site Banner)
   ============================================================ */
.topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--topbar-height);
  background-color: var(--color-primary);
  color: var(--color-white);
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 600;
}

.topbar__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.topbar__contact {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.topbar__contact a {
  color: var(--color-white);
  opacity: 0.9;
  transition: opacity var(--transition-fast);
}

.topbar__contact a:hover { opacity: 1; }

.topbar__sister {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.topbar__sister a {
  color: var(--color-white);
  font-weight: 700;
  border-bottom: 1px solid rgba(255,255,255,0.5);
  transition: border-color var(--transition-fast);
}

.topbar__sister a:hover {
  border-color: var(--color-white);
}


/* ============================================================
   6. Navigation
   ============================================================ */
.site-header {
  position: fixed;
  top: var(--topbar-height);
  left: 0;
  right: 0;
  z-index: 999;
  background-color: var(--color-white);
  border-bottom: 3px solid var(--color-primary);
  height: var(--nav-height);
  box-shadow: 0 2px 12px rgba(0,0,0,0.08);
}

.nav__inner {
  height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Logo */
.nav__logo {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  text-decoration: none;
}

.nav__logo-mark {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  line-height: 1;
}

.nav__logo-text {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-body-lt);
}

/* Desktop nav links */
.nav__menu {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.nav__link {
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-headline);
  transition: color var(--transition-fast);
  padding-block: 0.25rem;
  border-bottom: 2px solid transparent;
}

.nav__link:hover,
.nav__link.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

/* CTA button */
.nav__link--cta {
  background-color: var(--color-primary);
  color: var(--color-white) !important;
  border: none !important;
  padding: 0.6rem 1.25rem;
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-fast);
}

.nav__link--cta:hover {
  background-color: var(--color-primary-dk);
}

/* Mobile hamburger */
.nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 26px;
  height: 18px;
}

.nav__toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-headline);
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-fast);
}

.nav__toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}
.nav__toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}
.nav__toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}


/* ============================================================
   7. Hero Section
   ============================================================ */
.hero {
  position: relative;
  min-height: 85vh;
  display: flex;
  align-items: center;
  background-color: var(--color-dark-bg);
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0.3;
}

/* Red accent stripe — MCR signature detail */
.hero::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 6px;
  height: 100%;
  background-color: var(--color-primary);
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.hero__eyebrow {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
  padding: 0.3rem 0.75rem;
  border: 1px solid var(--color-primary);
}

.hero h1 {
  color: var(--color-white);
  margin-bottom: var(--space-sm);
}

/* Red underline on hero headline */
.hero h1 span {
  display: block;
  color: var(--color-primary);
}

.hero__sub {
  font-family: var(--font-sans);
  font-size: 1.05rem;
  color: var(--color-body-dk);
  max-width: 55ch;
  margin-bottom: var(--space-md);
  line-height: 1.7;
}

.hero--interior {
  min-height: 40vh;
  align-items: flex-end;
  padding-bottom: var(--space-lg);
}

.hero--interior h1 {
  font-size: clamp(2rem, 5vw, 4rem);
}


/* ============================================================
   8. Trust / Credential Bar
   ============================================================ */
.trust-bar {
  background-color: var(--color-primary);
  padding-block: var(--space-md);
}

.trust-bar__items {
  display: flex;
  align-items: center;
  justify-content: space-around;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.trust-bar__item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-white);
}

.trust-bar__item svg,
.trust-bar__item .trust-icon {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  fill: rgba(255,255,255,0.8);
}


/* ============================================================
   9. Section Headings
   ============================================================ */
.section-header {
  margin-bottom: var(--space-lg);
}

.section-header p {
  margin-top: var(--space-sm);
}

/* Bold left border accent — MCR style */
.section-header h2 {
  padding-left: 1rem;
  border-left: 5px solid var(--color-primary);
}

.text-center .section-header h2 {
  border-left: none;
  padding-left: 0;
  border-bottom: 4px solid var(--color-primary);
  padding-bottom: 0.5rem;
  display: inline-block;
}


/* ============================================================
   10. Service Cards
   ============================================================ */
.service-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-md);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
  position: relative;
  overflow: hidden;
}

/* Red accent bar on the left */
.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background-color: var(--color-primary);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform var(--transition-base);
}

.service-card:hover::before {
  transform: scaleY(1);
}

.service-card:hover {
  box-shadow: 0 8px 32px rgba(0,0,0,0.1);
  transform: translateY(-2px);
}

.service-card__icon {
  width: 48px;
  height: 48px;
  background-color: var(--color-mid-bg);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-sm);
}

.service-card__icon svg {
  width: 26px;
  height: 26px;
  stroke: var(--color-primary);
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.service-card h3 {
  font-size: 1.4rem;
  color: var(--color-headline);
  margin-bottom: var(--space-xs);
}

.service-card p {
  font-size: 0.92rem;
  color: var(--color-body-lt);
  max-width: none;
}

.service-card__link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-top: var(--space-sm);
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-primary);
  border-bottom: 1px solid var(--color-primary);
  transition: gap var(--transition-fast);
}

.service-card__link:hover { gap: 0.6rem; }


/* ============================================================
   11. Roofing Systems Grid
   ============================================================ */
.systems-section {
  background-color: var(--color-dark-bg);
  padding-block: var(--space-lg);
}

.systems-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background-color: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.05);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-top: var(--space-lg);
}

.system-card {
  background-color: var(--color-dark-bg);
  padding: var(--space-md);
  transition: background-color var(--transition-base);
}

.system-card:hover {
  background-color: rgba(213,0,0,0.1);
}

.system-card__name {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  margin-bottom: 0.5rem;
}

.system-card__full-name {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-body-dk);
  margin-bottom: var(--space-sm);
  display: block;
}

.system-card p {
  font-size: 0.88rem;
  color: var(--color-body-dk);
  max-width: none;
  line-height: 1.6;
}


/* ============================================================
   12. Before / After Image Slider
   ============================================================ */

/* Identical to A+ — same JS powers both */
.ba-section {
  padding-block: var(--space-lg);
}

.ba-slider {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: var(--radius-sm);
  cursor: col-resize;
  user-select: none;
  box-shadow: 0 4px 24px rgba(0,0,0,0.15);
}

.ba-slider__before,
.ba-slider__after {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
}

.ba-slider__after {
  clip-path: inset(0 50% 0 0);
  transition: clip-path 0.05s linear;
}

.ba-slider__label {
  position: absolute;
  bottom: var(--space-sm);
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-white);
  background-color: rgba(0,0,0,0.7);
  padding: 0.3rem 0.75rem;
  border-radius: 2px;
}

.ba-slider__label--before { left: var(--space-sm); }
.ba-slider__label--after  { right: var(--space-sm); }

.ba-slider__handle {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 3px;
  background-color: var(--color-primary);
  pointer-events: none;
  z-index: 2;
}

.ba-slider__handle::before,
.ba-slider__handle::after {
  content: '';
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: var(--color-white);
  border: 3px solid var(--color-primary);
  top: 50%;
  margin-top: -22px;
}

.ba-slider__handle::after {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23D50000' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='15 18 9 12 15 6'%3E%3C/polyline%3E%3Cpolyline points='9 18 15 12 9 6' transform='translate(6,0)'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  background-size: 22px;
  background-color: var(--color-white);
}

.ba-slider__input {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: col-resize;
  z-index: 3;
  margin: 0;
  -webkit-appearance: none;
  appearance: none;
}

.ba-project-info {
  margin-top: var(--space-sm);
  padding: var(--space-sm) 0;
  border-top: 1px solid var(--color-border);
}

.ba-project-info h3 {
  font-size: 1.4rem;
  color: var(--color-headline);
  margin-bottom: 0.25rem;
}

.ba-project-info p {
  font-size: 0.88rem;
  color: var(--color-body-lt);
}

.ba-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
}


/* ============================================================
   13. Project Gallery
   ============================================================ */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.gallery-item {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background-color: var(--color-border);
}

.gallery-item img,
.gallery-item .gallery-placeholder {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.gallery-placeholder {
  background: linear-gradient(135deg, #1a1a1a 0%, #2d0000 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.25);
  font-family: var(--font-sans);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  gap: 0.5rem;
}

.gallery-item:hover img,
.gallery-item:hover .gallery-placeholder {
  transform: scale(1.04);
}

.gallery-item__caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-sm);
  background: linear-gradient(transparent, rgba(0,0,0,0.85));
  color: var(--color-white);
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  transform: translateY(100%);
  transition: transform var(--transition-base);
}

.gallery-item:hover .gallery-item__caption {
  transform: translateY(0);
}


/* ============================================================
   14. Testimonials
   ============================================================ */
.testimonials {
  background-color: var(--color-mid-bg);
  padding-block: var(--space-lg);
}

.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.testimonial-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--color-primary);
  padding: var(--space-md);
}

.testimonial-card__stars {
  display: flex;
  gap: 2px;
  margin-bottom: var(--space-sm);
  color: #d4a017;
  font-size: 0.95rem;
}

.testimonial-card__text {
  font-family: var(--font-sans);
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--color-body-lt);
  max-width: none;
  margin-bottom: var(--space-sm);
}

.testimonial-card__author {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-headline);
}

.testimonial-card__location {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  color: var(--color-primary);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}


/* ============================================================
   15. CTA Band
   ============================================================ */
.cta-band {
  background-color: var(--color-primary);
  padding-block: var(--space-lg);
  text-align: center;
}

.cta-band h2 {
  color: var(--color-white);
  margin-bottom: var(--space-sm);
}

.cta-band p {
  color: rgba(255,255,255,0.88);
  font-family: var(--font-sans);
  font-size: 1.05rem;
  max-width: 55ch;
  margin-inline: auto;
  margin-bottom: var(--space-md);
}

/* Buttons */
.btn {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 0.9rem 2rem;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  transition: background-color var(--transition-fast),
              color var(--transition-fast),
              border-color var(--transition-fast),
              transform var(--transition-fast);
}

.btn:hover { transform: translateY(-1px); }

.btn--primary {
  background-color: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

.btn--primary:hover {
  background-color: var(--color-primary-dk);
  border-color: var(--color-primary-dk);
}

.btn--outline-white {
  background-color: transparent;
  color: var(--color-white);
  border-color: rgba(255,255,255,0.6);
}

.btn--outline-white:hover {
  background-color: rgba(255,255,255,0.1);
  border-color: var(--color-white);
}

.btn--white {
  background-color: var(--color-white);
  color: var(--color-primary);
  border-color: var(--color-white);
}

.btn--white:hover {
  background-color: #f0f0f0;
}

.btn--outline-dark {
  background-color: transparent;
  color: var(--color-headline);
  border-color: var(--color-headline);
}

.btn--outline-dark:hover {
  background-color: var(--color-headline);
  color: var(--color-white);
}

.btn-group {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
}


/* ============================================================
   16. Contact Form & Info
   ============================================================ */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: start;
}

.contact-form {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-top: 4px solid var(--color-primary);
  padding: var(--space-lg);
}

.contact-form h2 {
  margin-bottom: var(--space-md);
}

.form-group {
  margin-bottom: var(--space-md);
}

.form-group label {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-headline);
  margin-bottom: 0.4rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  font-family: var(--font-sans);
  font-size: 1rem;
  color: var(--color-headline);
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  -webkit-appearance: none;
  appearance: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(213,0,0,0.1);
}

.form-group textarea {
  min-height: 130px;
  resize: vertical;
}

/* Honeypot field — hidden from humans, visible to bots */
.form-honeypot {
  position: absolute;
  left: -9999px;
  top: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
  visibility: hidden;
  pointer-events: none;
}

.form-submit {
  width: 100%;
  padding: 1rem;
  font-size: 1rem;
}

.form-status {
  margin-top: var(--space-sm);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 600;
  display: none;
}

.form-status--success { color: #2e7d32; }
.form-status--error   { color: #c62828; }

/* Contact info sidebar */
.contact-info h2 {
  margin-bottom: var(--space-md);
}

.contact-info-block {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.contact-info-item {
  display: flex;
  gap: var(--space-sm);
  align-items: flex-start;
}

.contact-info-item__icon {
  width: 44px;
  height: 44px;
  background-color: var(--color-primary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-info-item__icon svg {
  width: 22px;
  height: 22px;
  stroke: var(--color-white);
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.contact-info-item__label {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary);
  display: block;
  margin-bottom: 0.2rem;
}

.contact-info-item__value {
  font-family: var(--font-sans);
  font-size: 0.95rem;
  color: var(--color-headline);
  font-weight: 600;
}

.contact-info-item__value a {
  color: var(--color-headline);
  transition: color var(--transition-fast);
}
.contact-info-item__value a:hover {
  color: var(--color-primary);
}


/* ============================================================
   17. Footer
   ============================================================ */
.site-footer {
  background-color: var(--color-dark-bg);
  padding-block: var(--space-xl);
  border-top: 4px solid var(--color-primary);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: var(--space-lg);
}

.footer__brand-name {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--color-white);
  text-transform: uppercase;
  line-height: 1.1;
  margin-bottom: var(--space-xs);
  letter-spacing: 0.02em;
}

.footer__brand-name span {
  color: var(--color-primary);
}

.footer__tagline {
  font-family: var(--font-sans);
  font-size: 0.82rem;
  color: var(--color-body-dk);
  opacity: 0.7;
  margin-bottom: var(--space-md);
  max-width: none;
}

.footer__sister {
  margin-top: var(--space-sm);
  padding: var(--space-sm);
  border: 1px solid rgba(213,0,0,0.4);
  background-color: rgba(213,0,0,0.08);
}

.footer__sister-label {
  font-family: var(--font-sans);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary);
  display: block;
  margin-bottom: 0.3rem;
}

.footer__sister-link {
  font-family: var(--font-sans);
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--color-white);
  transition: color var(--transition-fast);
}

.footer__sister-link:hover {
  color: var(--color-primary);
}

.footer__col-heading {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer__links a,
.footer__contact-item {
  font-family: var(--font-sans);
  font-size: 0.88rem;
  color: var(--color-body-dk);
  opacity: 0.75;
  transition: opacity var(--transition-fast), color var(--transition-fast);
}

.footer__links a:hover {
  opacity: 1;
  color: var(--color-white);
}

.footer__contact-item {
  display: block;
  margin-bottom: 0.5rem;
}

.footer__bottom {
  margin-top: var(--space-lg);
  padding-top: var(--space-md);
  border-top: 1px solid rgba(255,255,255,0.07);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.footer__copyright {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  color: var(--color-body-dk);
  opacity: 0.45;
  max-width: none;
}

.footer__credentials {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.footer__credential {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--color-body-dk);
  opacity: 0.5;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}


/* ============================================================
   18. About Page
   ============================================================ */
.about-story {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
  padding-block: var(--space-xl);
}

.about-story__image {
  position: relative;
  aspect-ratio: 3 / 4;
  background-color: var(--color-border);
  overflow: hidden;
}

.about-story__image img,
.about-story__image .gallery-placeholder {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-stat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

.about-stat {
  background-color: var(--color-primary);
  padding: var(--space-sm) var(--space-md);
}

.about-stat__number {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-white);
  line-height: 1;
  display: block;
}

.about-stat__label {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.7);
}

/* Credentials grid */
.credentials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background-color: var(--color-border);
  border: 1px solid var(--color-border);
  margin-top: var(--space-lg);
}

.credential-card {
  background-color: var(--color-white);
  padding: var(--space-md);
}

.credential-card__label {
  font-family: var(--font-sans);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-primary);
  display: block;
  margin-bottom: 0.3rem;
}

.credential-card__value {
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-headline);
}


/* ============================================================
   19. Services Page — System Detail Blocks
   ============================================================ */
.service-detail {
  padding-block: var(--space-xl);
  border-bottom: 1px solid var(--color-border);
}

.service-detail:last-of-type { border-bottom: none; }

.service-detail__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
}

.service-detail:nth-of-type(even) .service-detail__image {
  order: -1;
}

.service-detail__image {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background-color: var(--color-border);
}

.service-detail__image img,
.service-detail__image .gallery-placeholder {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.service-options {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-top: var(--space-sm);
}

.service-option-tag {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.3rem 0.75rem;
  background-color: var(--color-mid-bg);
  border: 1px solid var(--color-border);
  color: var(--color-primary);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}


/* ============================================================
   20. Responsive Breakpoints
   ============================================================ */

/* Tablet — ≤ 1024px */
@media (max-width: 1024px) {
  .grid-3,
  .testimonial-grid,
  .systems-grid {
    grid-template-columns: 1fr 1fr;
  }

  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
  }

  .credentials-grid {
    grid-template-columns: 1fr 1fr;
  }
}

/* Mobile — ≤ 768px */
@media (max-width: 768px) {
  :root {
    --nav-height: 64px;
  }

  .nav__toggle {
    display: flex;
  }

  .nav__menu {
    display: none;
    position: absolute;
    top: calc(var(--topbar-height) + var(--nav-height));
    left: 0;
    right: 0;
    background-color: var(--color-white);
    border-top: 1px solid var(--color-border);
    box-shadow: 0 8px 24px rgba(0,0,0,0.1);
    flex-direction: column;
    padding: var(--space-md);
    gap: var(--space-sm);
    align-items: flex-start;
  }

  .nav__menu.is-open {
    display: flex;
  }

  /* Nav links on mobile are dark on white */
  .nav__link {
    color: var(--color-headline);
  }

  .topbar__contact {
    display: none;
  }

  .grid-2,
  .grid-3,
  .ba-grid,
  .contact-layout,
  .about-story,
  .service-detail__grid,
  .testimonial-grid,
  .systems-grid {
    grid-template-columns: 1fr;
  }

  .gallery-grid {
    grid-template-columns: 1fr 1fr;
  }

  .footer__grid {
    grid-template-columns: 1fr;
  }

  .about-stat-grid {
    grid-template-columns: 1fr 1fr;
  }

  .credentials-grid {
    grid-template-columns: 1fr;
  }

  .service-detail:nth-of-type(even) .service-detail__image {
    order: 0;
  }

  .hero {
    min-height: 75vh;
  }

  .section {
    padding-block: var(--space-md);
  }

  .footer__bottom {
    flex-direction: column;
    text-align: center;
  }
}

/* Small mobile — ≤ 480px */
@media (max-width: 480px) {
  .gallery-grid,
  .about-stat-grid {
    grid-template-columns: 1fr;
  }

  .trust-bar__items {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }
}