/* ==========================================================================
   Config-driven trade business template
   Colors/fonts are injected as CSS custom properties by /js/main.js from
   config.json (theme.colors / theme.fonts). Sensible defaults live here.
   ========================================================================== */

:root {
  --color-primary: #1c2b3a;
  --color-secondary: #3a4f63;
  --color-accent: #d9752c;
  --color-dark: #10181f;
  --color-light: #f6f3ee;
  --color-surface: #ffffff;
  --color-text: #1c2b3a;
  --radius: 10px;
  --font-heading: "Space Grotesk", sans-serif;
  --font-body: "IBM Plex Sans", sans-serif;

  --shadow-sm: 0 1px 3px rgba(10, 26, 36, 0.08);
  --shadow-md: 0 8px 24px rgba(10, 26, 36, 0.12);
  --shadow-lg: 0 20px 48px rgba(10, 26, 36, 0.18);
  --container-w: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-light);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  line-height: 1.15;
  margin: 0 0 0.5em;
  letter-spacing: -0.01em;
}
p { margin: 0 0 1em; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
button { font-family: inherit; cursor: pointer; }

.container {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 1.25rem;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--color-primary);
  color: #fff;
  padding: 0.75rem 1rem;
  z-index: 200;
}
.skip-link:focus { left: 0; }

.icon { flex-shrink: 0; }
.icon-sm { width: 16px; height: 16px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.6rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  border: 2px solid transparent;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--color-accent); color: #fff; box-shadow: var(--shadow-sm); }
.btn-primary:hover { box-shadow: var(--shadow-md); }
.btn-outline { background: transparent; border-color: rgba(255,255,255,0.7); color: #fff; }
.btn-outline:hover { background: rgba(255,255,255,0.15); }
.btn-outline-light { background: transparent; border-color: rgba(255,255,255,0.35); color: #fff; }
.btn-block { width: 100%; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(10,26,36,0.06);
  transition: box-shadow 0.2s ease;
}
.site-header.scrolled { box-shadow: var(--shadow-sm); }
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 0.9rem;
  padding-bottom: 0.9rem;
}
.brand { display: flex; align-items: center; gap: 0.65rem; }
.brand-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--color-accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  flex-shrink: 0;
}
.brand-icon:empty { display: none; }
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-name {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--color-primary);
}
.brand-tagline {
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: rgba(28,43,58,0.55);
}
.brand-tagline:empty { display: none; }
.main-nav {
  display: none;
  align-items: center;
  gap: 1.75rem;
  font-weight: 500;
}
.main-nav a { opacity: 0.85; transition: opacity 0.15s; }
.main-nav a:hover { opacity: 1; }
.nav-cta {
  background: var(--color-accent);
  color: #fff !important;
  padding: 0.55rem 1.1rem;
  border-radius: var(--radius);
  opacity: 1 !important;
}
.header-phone {
  display: none;
  align-items: center;
  gap: 0.4rem;
  font-weight: 700;
  color: var(--color-primary);
}
.nav-toggle {
  background: none;
  border: none;
  width: 44px;
  height: 44px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}
.nav-toggle span { width: 22px; height: 2px; background: var(--color-text); border-radius: 2px; }

@media (min-width: 900px) {
  .main-nav { display: flex; }
  .header-phone { display: flex; }
  .nav-toggle { display: none; }
}
@media (max-width: 899px) {
  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-surface);
    flex-direction: column;
    align-items: stretch;
    padding: 1rem 1.25rem 1.5rem;
    box-shadow: var(--shadow-md);
    display: none;
  }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 0.6rem 0; border-bottom: 1px solid rgba(10,26,36,0.06); }
  .nav-cta { text-align: center; margin-top: 0.5rem; border: none; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  background-color: var(--color-dark);
  background-size: cover;
  background-position: center;
  color: #fff;
  padding: clamp(4.5rem, 12vw, 8rem) 0 clamp(3.5rem, 8vw, 6rem);
}
.hero-inner { position: relative; z-index: 1; max-width: 720px; }
.hero-badges { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-bottom: 1.5rem; }
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.25);
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
}
.hero h1 { font-size: clamp(2.1rem, 5.5vw, 3.4rem); font-weight: 800; letter-spacing: -0.02em; margin-bottom: 0.6em; }
.hero-sub { font-size: clamp(1.05rem, 2.2vw, 1.25rem); opacity: 0.92; max-width: 55ch; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 0.9rem; margin-top: 2rem; }
.hero-badges { margin-top: 1.75rem; margin-bottom: 0; }

/* ---------- Pill / eyebrow labels ---------- */
.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: color-mix(in srgb, var(--color-accent) 16%, white);
  color: color-mix(in srgb, var(--color-accent) 65%, black 15%);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  margin-bottom: 1rem;
}
.pill[hidden] { display: none; }
.hero-eyebrow {
  background: rgba(255,255,255,0.14);
  color: #fff;
  border: 1px solid rgba(255,255,255,0.28);
}

/* ---------- Stats bar ---------- */
.stats-bar { background: var(--color-primary); }
.stats-bar[hidden] { display: none; }
.stats-inner {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.75rem 1rem;
  text-align: center;
  padding: clamp(2rem, 5vw, 2.75rem) 1.25rem;
}
@media (min-width: 700px) {
  .stats-inner { grid-template-columns: repeat(4, 1fr); }
}
.stat-value {
  display: block;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  color: var(--color-accent);
}
.stat-label {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.85);
}

/* ---------- Section heading ---------- */
.section-heading { max-width: 640px; margin: 0 auto 2.5rem; text-align: center; }
.section-heading h2 { font-size: clamp(1.7rem, 3.5vw, 2.4rem); }
.section-heading p { color: rgba(22,35,43,0.7); font-size: 1.05rem; }
.section-heading-left { max-width: 520px; margin: 0 0 2.5rem; text-align: left; }

section { padding: clamp(3.5rem, 7vw, 6rem) 0; }
.services { background: var(--color-light); }
.gallery { background: var(--color-light); }
.testimonials { background: var(--color-primary); color: #fff; }
.testimonials .section-heading p { color: rgba(255,255,255,0.75); }
.about { background: var(--color-surface); }
.quote { background: var(--color-dark); color: #fff; }

/* ---------- Services: icon grid ---------- */
.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
@media (max-width: 860px) {
  .service-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .service-grid { grid-template-columns: 1fr; }
}
.service-card {
  background: var(--color-surface);
  border: 1px solid rgba(10,26,36,0.06);
  box-shadow: var(--shadow-sm);
  border-radius: var(--radius);
  padding: 1.75rem;
  position: relative;
  overflow: hidden;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.3s ease, box-shadow 0.3s ease;
}
.service-card::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}
.service-card:hover { box-shadow: var(--shadow-md); transform: translateY(-6px); }
.service-card:hover::after { transform: scaleX(1); }
.service-card.in-view { opacity: 1; }
.service-card.in-view:not(:hover) { transform: translateY(0); }
.service-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: color-mix(in srgb, var(--color-accent) 16%, white);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.1rem;
}
.service-card h3 { font-size: 1.15rem; }
.service-card p { color: rgba(22,35,43,0.7); margin-bottom: 0; font-size: 0.95rem; }

/* ---------- Services: photo grid ---------- */
/* Fixed 3-column grid (inherited from .service-grid, incl. its responsive
   breakpoints) so an even number of services lines up into tidy centered
   rows instead of an auto-fit grid that reflows unpredictably. */
.service-photo-card {
  position: relative;
  min-height: 280px;
  border-radius: var(--radius);
  background-size: cover;
  background-position: center;
  background-color: var(--color-primary);
  overflow: hidden;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.service-photo-card.in-view { opacity: 1; transform: translateY(0); }
.service-photo-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10,26,36,0.15) 0%, rgba(10,26,36,0.88) 100%);
  color: #fff;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}
.service-photo-card .service-icon { background: #fff; color: var(--color-accent); }
.service-photo-card p { color: rgba(255,255,255,0.85); margin-bottom: 0; font-size: 0.92rem; }

/* ---------- Services: categorized list ---------- */
.service-categories { display: flex; flex-direction: column; gap: 1rem; max-width: 800px; margin: 0 auto; }
.service-category { border: 1px solid rgba(10,26,36,0.1); border-radius: var(--radius); overflow: hidden; }
.service-category-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--color-light);
  border: none;
  padding: 1.1rem 1.4rem;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.05rem;
}
.service-category-toggle .chevron { transition: transform 0.2s ease; }
.service-category.open .service-category-toggle .chevron { transform: rotate(90deg); }
.service-category-items {
  display: none;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
  padding: 1.5rem;
}
.service-category.open .service-category-items { display: grid; }
.service-category .service-card { background: transparent; padding: 0; }
.service-category .service-icon { width: 42px; height: 42px; }

/* ---------- Featured services (alternating deep-dive blocks) ---------- */
.featured-services:empty { display: none; }
.featured-service { padding: clamp(3rem, 6vw, 5rem) 0; }
.featured-service:nth-of-type(odd) { background: var(--color-surface); }
.featured-service:nth-of-type(even) { background: color-mix(in srgb, var(--color-accent) 6%, var(--color-light)); }
.featured-service-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: center;
}
.featured-service-media { border-radius: 20px; overflow: hidden; box-shadow: var(--shadow-md); }
.featured-service-media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.featured-service-media:hover img { transform: scale(1.04); }
.featured-service-copy h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
.featured-service-copy p { color: rgba(22,35,43,0.7); }
.featured-checklist { display: flex; flex-direction: column; gap: 0.65rem; margin: 1.25rem 0 1.5rem; }
.featured-checklist li { display: flex; align-items: flex-start; gap: 0.6rem; font-weight: 600; font-size: 0.95rem; }
.featured-checklist .icon { color: var(--color-accent); flex-shrink: 0; margin-top: 0.15em; }
@media (min-width: 860px) {
  .featured-service-inner { grid-template-columns: 1fr 1fr; gap: 5rem; }
  .featured-service-inner.reverse .featured-service-media { order: 2; }
  .featured-service-inner.reverse .featured-service-copy { order: 1; }
}

/* ---------- Gallery ---------- */
.gallery-filters { display: flex; flex-wrap: wrap; gap: 0.6rem; justify-content: flex-start; margin-bottom: 2rem; }
.filter-btn {
  border: 1px solid rgba(10,26,36,0.15);
  background: transparent;
  padding: 0.6rem 1.1rem;
  min-height: 40px;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
}
.filter-btn.active { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.1rem;
}
@media (max-width: 860px) {
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .gallery-grid { grid-template-columns: 1fr; }
}
.gallery-item {
  position: relative;
  border: none;
  padding: 0;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: #ddd;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.gallery-item.in-view { opacity: 1; transform: translateY(0); }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.gallery-item:hover img { transform: scale(1.06); }
.gallery-caption {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  background: linear-gradient(0deg, rgba(10,26,36,0.85), transparent);
  color: #fff;
  font-size: 0.85rem;
  padding: 1.5rem 0.9rem 0.7rem;
  text-align: left;
}

.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(10,26,36,0.92);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 300;
  padding: 2rem;
}
.lightbox:not([hidden]) { display: flex; }
.lightbox[hidden] { display: none; }
.lightbox img { max-height: 78vh; border-radius: 8px; }
.lightbox-caption { color: #fff; margin-top: 1rem; }
.lightbox-close {
  position: absolute;
  top: 1rem;
  right: 1.25rem;
  width: 44px;
  height: 44px;
  background: none;
  border: none;
  color: #fff;
  font-size: 2rem;
  line-height: 1;
}

/* ---------- Testimonials ---------- */
.testimonials-track {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}
.testimonial-card {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius);
  padding: 1.75rem;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.testimonial-card.in-view { opacity: 1; transform: translateY(0); }
.stars { display: flex; gap: 2px; margin-bottom: 0.9rem; }
.stars .star { width: 16px; height: 16px; color: rgba(255,255,255,0.3); }
.stars .star.filled { color: var(--color-accent); }
.testimonial-text { font-size: 1.02rem; font-style: italic; }
.testimonial-who { display: flex; align-items: center; gap: 0.75rem; margin-top: 1rem; }
.testimonial-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
  flex-shrink: 0;
}
.testimonial-name { font-weight: 700; opacity: 1; font-size: 0.92rem; margin-bottom: 0; }
.testimonial-location { font-size: 0.8rem; opacity: 0.7; }

/* ---------- About ---------- */
.about-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: center;
}
.about-photo img { border-radius: var(--radius); box-shadow: var(--shadow-md); }
.cert-list { display: flex; flex-direction: column; gap: 0.6rem; margin-top: 1.25rem; }
.cert-list li { display: flex; align-items: center; gap: 0.6rem; font-weight: 600; font-size: 0.95rem; }
.cert-list .icon { color: var(--color-secondary); }
@media (min-width: 860px) {
  .about-inner { grid-template-columns: 0.9fr 1.1fr; }
}

/* ---------- Quote form ---------- */
.quote-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  background: var(--color-surface);
  border-radius: 24px;
  padding: clamp(1.5rem, 4vw, 3rem);
  box-shadow: var(--shadow-lg);
}
.quote-copy h2 { color: var(--color-text); }
.quote-copy p { color: rgba(22,35,43,0.7); }
.quote-meta { display: flex; flex-direction: column; gap: 0.75rem; margin-top: 1.5rem; }
.quote-meta-item { display: flex; align-items: center; gap: 0.5rem; font-weight: 600; color: var(--color-text); }
.quote-testimonials { margin-top: 2.25rem; }
.quote-testimonials-title { font-size: 1rem; color: var(--color-text); margin-bottom: 1rem; }
.quote-testimonials-list { display: flex; flex-direction: column; gap: 1rem; }
.quote-testimonial-card {
  background: var(--color-light);
  border: 1px solid rgba(10,26,36,0.08);
  border-radius: var(--radius);
  padding: 1.1rem 1.25rem;
}
.quote-testimonial-card .stars { display: flex; gap: 2px; margin-bottom: 0.6rem; }
.quote-testimonial-card .stars .star { width: 14px; height: 14px; color: rgba(28,43,58,0.15); }
.quote-testimonial-card .stars .star.filled { color: var(--color-accent); }
.quote-testimonial-text { font-size: 0.9rem; font-style: italic; color: var(--color-text); margin-bottom: 0.7rem; }
.quote-testimonial-who { display: flex; align-items: center; gap: 0.6rem; }
.quote-testimonial-avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.72rem;
  flex-shrink: 0;
}
.quote-testimonial-name { font-weight: 700; font-size: 0.85rem; color: var(--color-text); }
.quote-testimonial-location { font-size: 0.75rem; color: rgba(22,35,43,0.6); }
.quote-form { background: var(--color-primary); color: #fff; border-radius: var(--radius); padding: 1.75rem; }
.quote-fields { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1rem; margin-bottom: 1.25rem; }
.form-field { display: flex; flex-direction: column; gap: 0.4rem; }
.form-field-wide { grid-column: 1 / -1; }
.form-field label { font-size: 0.85rem; font-weight: 600; }
.form-field input, .form-field select, .form-field textarea {
  border: 1px solid rgba(10,26,36,0.15);
  border-radius: 8px;
  padding: 0.7rem 0.85rem;
  font-family: inherit;
  font-size: 0.95rem;
  background: #fff;
  color: var(--color-text);
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 1px;
}
.form-field input[type="file"] { padding: 0.55rem 0.7rem; cursor: pointer; }
.form-hint { font-size: 0.78rem; color: rgba(255,255,255,0.75); }
.hp-field { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.form-status { min-height: 1.2em; margin-top: 0.9rem; font-size: 0.9rem; font-weight: 600; }
.quote-form .form-status.success { color: #8fe3ab; }
.quote-form .form-status.error { color: #ffb0b0; }
@media (min-width: 860px) {
  .quote-inner { grid-template-columns: 0.9fr 1.1fr; }
}

/* ---------- Footer ---------- */
.site-footer { background: var(--color-primary); color: rgba(255,255,255,0.85); }
.footer-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  padding: 3.5rem 0 2rem;
}
.footer-col h3 { color: #fff; font-size: 1rem; margin-bottom: 0.9rem; }
.footer-col dl { display: grid; grid-template-columns: auto 1fr; gap: 0.3rem 0.75rem; font-size: 0.9rem; margin: 0; }
.footer-col dt { opacity: 0.6; }
.footer-social { display: flex; gap: 1rem; margin-top: 1rem; text-transform: capitalize; font-size: 0.9rem; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 1.25rem 0;
  font-size: 0.82rem;
  opacity: 0.6;
}
@media (min-width: 700px) {
  .footer-inner { grid-template-columns: repeat(3, 1fr); }
}