/*
  MCR Construction — Homepage styles
  - Mobile-first, responsive
  - WCAG AA contrast
  - CSS variables for colors, spacing, type scale
*/

:root {
  --color-bg: #ffffff;
  --color-text: #161616;
  --color-muted: #6b7280;
  --color-accent: #ee0303;
  --color-accent-dark: #083e94;
  --color-border: #e5e7eb;
  --color-elev: #f8fafc;

  --radius: 12px;
  --shadow-sm: 0 1px 2px rgba(0,0,0,.06), 0 1px 3px rgba(0,0,0,.1);
  --shadow-md: 0 10px 15px rgba(0,0,0,.08), 0 4px 6px rgba(0,0,0,.06);

  --container: 1200px;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;
  --space-20: 80px;
}

/* Base */
* { box-sizing: border-box; }
html, body { height: 100%; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, "Helvetica Neue", Arial, "Noto Sans", "Apple Color Emoji", "Segoe UI Emoji";
  color: var(--color-text); background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  padding-top: 64px;
}

.container {
  width: min(100% - 32px, var(--container));
  margin-inline: auto;
}

.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip-link { position:absolute; left:-999px; top:auto; width:1px; height:1px; overflow:hidden; }
.skip-link:focus { left: 12px; top: 12px; width: auto; height: auto; padding: 8px 12px; background:#000; color:#fff; z-index: 1000; }

/* Header & Nav */
.site-header { position: fixed; top: 0; left: 0; right: 0; z-index: 50; background: rgba(255,255,255,.9); backdrop-filter: saturate(1.2) blur(6px); border-bottom: 1px solid var(--color-border); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); padding: var(--space-3) 0; }
.brand { display: inline-flex; align-items: center; gap: 8px; text-decoration: none; color: black; font-weight: 800; letter-spacing: .2px; font-size: 18px; }
.brand-word { font-size: 18px; color: var(--color-text); font-weight: 800; }
.menu-toggle { appearance: none; background: transparent; border: 0; width: 40px; height: 40px; display: grid; place-items: center; border-radius: 8px; }
.menu-toggle:focus-visible { outline: 3px solid #000; outline-offset: 2px; }
.menu-bars, .menu-bars::before, .menu-bars::after { content: ""; display: block; width: 22px; height: 2px; background: var(--color-text); border-radius: 2px; position: relative; }
.menu-bars::before { position: absolute; top: -7px; }
.menu-bars::after { position: absolute; top: 7px; }

.primary-nav { position: fixed; inset: 64px 0 auto 0; background: #fff; border-top: 1px solid var(--color-border); transform: translateY(-8px); opacity: 0; pointer-events: none; transition: opacity .2s ease, transform .2s ease; }
.primary-nav.open { opacity: 1; transform: translateY(0); pointer-events: auto; }
.nav-list { list-style: none; margin: 0; padding: var(--space-4); display: grid; gap: 8px; }
.nav-list a { text-decoration: none; color: var(--color-text); font-weight: 600; padding: 10px 12px; border-radius: 8px; display: block; }
.nav-list a:hover, .nav-list a:focus-visible { background: var(--color-elev); }
.nav-ctas { display: flex; gap: 12px; padding: 0 var(--space-4) var(--space-4); }

/* Buttons */
.btn { --btn-bg: var(--color-elev); --btn-color: var(--color-text); appearance: none; border: 0; background: var(--btn-bg); color: var(--btn-color); padding: 12px 18px; border-radius: 10px; font-weight: 700; text-decoration: none; display: inline-flex; align-items: center; justify-content: center; gap: 10px; box-shadow: var(--shadow-sm); }
.btn:hover { filter: brightness(.98); transform: translateY(-1px); transition: transform .15s ease; }
.btn:focus-visible { outline: 3px solid #000; outline-offset: 2px; }
.btn-primary { --btn-bg: var(--color-accent); --btn-color: #fff; }
.btn-primary:hover { background: var(--color-accent-dark); }
.btn-secondary { --btn-bg: #111; --btn-color: #fff; }
.btn-outline { background: transparent; border: 2px solid #fff; color: #fff; box-shadow: none; }
.btn-outline:hover { background: rgba(255,255,255,.08); }

/* Hero split */
.hero-split { color: var(--color-text); padding-top: 150px; padding-bottom: 270px;}
.hero-split-inner { display: grid; gap: var(--space-8); align-items: center; }
.hero-split-media img { width: 80%; height: auto; border-radius: var(--radius); box-shadow: var(--shadow-md); }
.hero-split-content { position: relative; }
.hero-overlap-images { position: relative; height: 0; }
.hero-overlap-images .overlap-a, .hero-overlap-images .overlap-b { position: absolute; width: 38%; border-radius: var(--radius); box-shadow: var(--shadow-md); right: 8%; }
.hero-overlap-images .overlap-a { bottom: -40px; }
.hero-overlap-images .overlap-b { bottom: -180px; right: -2%; }
.hero-title {
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, "Helvetica Neue", Arial, "Noto Sans", "Apple Color Emoji", "Segoe UI Emoji";
  font-weight: 900;
  letter-spacing: 0.2px;
  font-size: clamp(38px, 6vw, 72px);
  line-height: 1.05;
  margin: 0 0 var(--space-4);
  color: var(--color-text);
}

.hero-subtitle { font-size: clamp(16px, 2.2vw, 20px); margin: 0 0 var(--space-6); color: var(--color-accent); }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* Sections */
.section { padding: var(--space-16) 0; }
.section, section { scroll-margin-top: 80px; }
.section-header { margin-bottom: var(--space-10); color: var(--color-text)}
.eyebrow { text-transform: uppercase; font-size: 12px; letter-spacing: .14em; color: var(--color-bg); margin: 0 0 var(--space-2); }
.section h2 { font-size: clamp(26px, 4vw, 44px); margin: 0; line-height: 1.2; }
.lead { color: var(--color-accent); }

/* Services grid */
/* Specializations */
.about-header { display: grid; gap: 6px; margin-bottom: var(--space-8); color: var(--color-text)}
.about-grid { display: grid; grid-template-columns: 1fr; gap: var(--space-6); }
.spec-card { background: var(--color-accent); color: #fff; border-radius: var(--radius); padding: var(--space-8); box-shadow: var(--shadow-sm); }
.spec-card h3 { margin: 0 0 6px; }

/* Our Expertise tiles */
#services {
  scroll-margin-top: 10px; /* tweak this until the whole section is visible */
}
/* Center headers for Our Expertise + Where We Excel */
.services .section-header,
.about .about-header {
  text-align: center;
}

.services .section-header > *,
.about .about-header > * {
  margin-left: auto;
  margin-right: auto;
  max-width: 60ch; /* keeps lines comfy */
}

/* optional: add a little breathing room */
.services .section-header { margin-bottom: var(--space-10); }
.about .about-header { margin-bottom: var(--space-8); }


.services-grid { display: grid; grid-template-columns: 1fr; gap: var(--space-6); }
.services-card { background: var(--color-accent); color: #fff; border-radius: var(--radius); padding: var(--space-8); box-shadow: var(--shadow-sm); min-height: 180px; display: grid; align-content: start; position: relative; }
.services-card h3 { margin: 0 0 6px; font-size: 20px; }

/* CTA split */
.cta-split-inner { display: grid; grid-template-columns: 1fr; gap: var(--space-6); }
.cta-panel { background: var(--color-accent); color: #fff; border-radius: var(--radius); padding: clamp(24px, 6vw, 64px); display: grid; gap: var(--space-6); align-content: center; min-height: 320px; }
.cta-panel .btn-outline { border-color: #fff; }
.cta-media img { width: 100%; height: 100%; object-fit: cover; border-radius: var(--radius); box-shadow: var(--shadow-md); }

/* --- Why Choose Us (clean layout) --- */
.why-header { text-align: center; margin-bottom: var(--space-10); }
.why-header h2 { color: var(--color-text); }

.why-wrap {
  display: grid;
  gap: var(--space-8);
  align-items: center;
}

.why-figure img {
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  display: block;
}

/* 2×2 feature grid */
.why-features {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

.why-card {
  background: var(--color-accent);
  color: #fff;
  border-radius: var(--radius);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
}
.why-card h3 { margin: 0 0 6px; }

/* Medium+ screens: two columns (image | features) and 2×2 features */
@media (min-width: 769px) {
  .why-wrap {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-10);
  }
  .why-features {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Remove old collage rules if present */
.why-grid, .why-title, .why-img, .why-cp, .why-sp, .why-cs, .why-de { all: unset; }

/* Footer */
#contact {
  scroll-margin-top: 50px; /* tweak this until the whole section is visible */
}
.site-footer { background: #f4f5f7; color: var(--color-text); border-top: 1px solid var(--color-border); }
.footer-inner { display: grid; gap: var(--space-8); grid-template-columns: 1fr; padding: var(--space-12) 0; }
.brand-mark { font-weight: 900; font-size: 20px; margin: 0 0 var(--space-2); color: var(--color-text);}
.footer-contact { font-style: normal; color: var(--color-text);}
.footer-links ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.footer-links a { text-decoration: none; color: var(--color-text); }
.footer-links a:hover { text-decoration: underline; }
.footer-logo img {
  margin-left: 5rem;
  max-height: 100px;
  width: auto;
  display: block;
}

/* Modal */
.no-scroll { overflow: hidden; }
.modal[hidden] { display: none; }
.modal { position: fixed; inset: 0; z-index: 100; color: var(--color-text);}
.modal-backdrop { position: absolute; inset: 0; background: rgba(0,0,0,.5); }
.modal-dialog {
  position: relative;
  margin: 6vh auto;
  background: #fff;
  width: min(92%, 560px);
  max-width: 100%;        /* ensures it doesn’t overflow on tiny screens */
  border-radius: 12px;    /* slightly smaller radius */
  box-shadow: var(--shadow-md);
  overflow: hidden;
}

.modal-header { display: flex; align-items: center; justify-content: space-between; padding: 16px 20px; border-bottom: 1px solid var(--color-border); }
.icon-btn { appearance: none; background: transparent; border: 0; font-size: 28px; line-height: 1; padding: 2px 8px; cursor: pointer; border-radius: 8px; }
.icon-btn:focus-visible { outline: 3px solid #000; outline-offset: 2px; }
.modal-body { padding: 20px; }
.modal-form { display: grid; gap: 14px; }
.modal-form label { display: grid; gap: 6px; font-weight: 600; }
.modal-form input, .modal-form textarea, .modal-form select { width: 100%; border: 1px solid var(--color-border); border-radius: 10px; padding: 12px 12px; font: inherit; }
.modal-actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 8px; }

/* Breakpoints */
@media (min-width: 641px) {
  .hero-split-inner { grid-template-columns: 1.15fr 1fr; }
  .services-grid { grid-template-columns: repeat(3, 1fr); }
  .services-grid .services-card:nth-child(4) { grid-column: 1 / span 2; }
  .services-grid .services-card:nth-child(5) { grid-column: 3 / span 1; }
  .about-grid { grid-template-columns: repeat(3, 1fr); }
  .services-grid { grid-template-columns: repeat(3, 1fr); }
  .why-grid { grid-template-columns: 1fr 1fr 1fr; grid-template-areas: "title title sp" "a b cp" "cs c de"; }
  .why-title { grid-area: title; }
  .why-a { grid-area: a; }
  .why-b { grid-area: b; }
  .why-c { grid-area: c; }
  .why-cp { grid-area: cp; }
  .why-sp { grid-area: sp; }
  .why-cs { grid-area: cs; }
  .why-de { grid-area: de; }
  .cta-split-inner { grid-template-columns: 1.3fr 1fr; }
}

@media (min-width: 769px) {
  .menu-toggle { display: none; }
  .primary-nav { position: static; inset: auto; display: flex; align-items: center; justify-content: flex-end; gap: 20px; background: transparent; border: 0; opacity: 1; transform: none; pointer-events: auto; }
  .nav-list { padding: 0; grid-auto-flow: column; grid-auto-columns: max-content; align-items: center; gap: 8px; }
  .nav-ctas { padding: 0; }
}
@media (max-width: 480px) {
  .modal-header { padding: 12px 16px; }
  .modal-body { padding: 16px; }
  .modal-form input,
  .modal-form textarea,
  .modal-form select {
    padding: 10px;        /* less chunky fields */
    font-size: 0.95rem;   /* slightly smaller font */
  }
  .modal-actions {
    gap: 8px;
    margin-top: 6px;
  }
}
@media (max-width: 480px) {
  .modal-form label {
    font-size: 0.9rem;
  }
}

@media (min-width: 1025px) {
  .services-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-inner { grid-template-columns: 1.1fr 1fr .8fr .8fr; }
}

/* Utilities */
.visually-hidden { position: absolute !important; height: 1px; width: 1px; overflow: hidden; clip: rect(1px, 1px, 1px, 1px); white-space: nowrap; }