/* ===========================================================
   Hypercleaner — Design System
   Clean & modern palette: deep trust-blue + fresh teal accent
   =========================================================== */

:root {
  /* Brand palette */
  --color-primary: #145DA0;      /* trust blue */
  --color-primary-dark: #0E4677;
  --color-primary-light: #E8F1FA;
  --color-accent: #22B8A0;       /* fresh teal — "clean" accent */
  --color-accent-dark: #189180;

  /* Neutrals */
  --color-ink: #10182B;
  --color-body: #3C4657;
  --color-muted: #6B7686;
  --color-border: #E3E8EF;
  --color-bg: #FFFFFF;
  --color-bg-alt: #F6F9FC;
  --color-bg-dark: #0E1626;

  /* Feedback */
  --color-success: #1F9D64;
  --color-star: #F5A623;

  /* Type */
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-heading: var(--font-body);

  /* Spacing scale */
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2rem;
  --space-5: 3rem;
  --space-6: 4.5rem;
  --space-7: 6rem;

  /* Layout */
  --max-width: 1180px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --shadow-sm: 0 1px 3px rgba(16, 24, 43, 0.08);
  --shadow-md: 0 8px 24px rgba(16, 24, 43, 0.10);
  --shadow-lg: 0 20px 48px rgba(16, 24, 43, 0.16);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-body);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, h4 { font-family: var(--font-heading); color: var(--color-ink); line-height: 1.2; margin: 0 0 var(--space-2); font-weight: 800; }
h1 { font-size: clamp(2.1rem, 4vw, 3.2rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); letter-spacing: -0.01em; }
h3 { font-size: 1.25rem; }
p { margin: 0 0 var(--space-2); color: var(--color-body); }
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 var(--space-3); }
section { padding: var(--space-6) 0; }
.section-alt { background: var(--color-bg-alt); }

/* Focus visibility for accessibility */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}

/* ---------- Eyebrow / kicker ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-accent-dark);
  background: rgba(34, 184, 160, 0.12);
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  margin-bottom: var(--space-2);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.6rem;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.98rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, color 0.15s ease;
  white-space: nowrap;
}
.btn-primary { background: var(--color-accent); color: #fff; box-shadow: var(--shadow-sm); }
.btn-primary:hover { background: var(--color-accent-dark); box-shadow: var(--shadow-md); transform: translateY(-1px); }
.btn-outline { background: transparent; border-color: rgba(255,255,255,0.55); color: #fff; }
.btn-outline:hover { background: rgba(255,255,255,0.12); }
.btn-dark-outline { background: transparent; border-color: var(--color-border); color: var(--color-ink); }
.btn-dark-outline:hover { border-color: var(--color-primary); color: var(--color-primary); }
.btn-block { width: 100%; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--color-border);
  /* NOTE: backdrop-filter lives on ::before, not here, on purpose — putting it
     directly on this element would make it a "containing block" for any
     fixed-position descendant (like .main-nav on mobile), which breaks the
     full-screen slide-out menu. Keep it on the pseudo-element below. */
}
.site-header::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: rgba(255,255,255,0.92);
  backdrop-filter: saturate(180%) blur(10px);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 0;
  gap: var(--space-3);
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 800;
  font-size: 1.2rem;
  color: var(--color-ink);
}
.brand-mark {
  width: 84px; height: 84px;
  object-fit: contain;
  flex-shrink: 0;
  display: block;
}
.main-nav ul { display: flex; align-items: center; gap: var(--space-4); }
.main-nav a { font-weight: 600; font-size: 0.95rem; color: var(--color-body); }
.main-nav a:hover, .main-nav a[aria-current="page"] { color: var(--color-primary); }
.header-cta { display: flex; align-items: center; gap: var(--space-2); }
.header-phone { display: flex; align-items: center; gap: 0.4rem; font-weight: 700; color: var(--color-ink); font-size: 0.95rem; }
.nav-toggle {
  display: none;
  background: none; border: none; cursor: pointer; padding: 0.4rem;
}
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--color-ink); margin: 5px 0; transition: 0.2s; }

@media (max-width: 900px) {
  .main-nav { position: fixed; inset: 64px 0 0 0; background: #fff; padding: var(--space-4) var(--space-3); transform: translateX(100%); transition: transform 0.25s ease; overflow-y: auto; z-index: 99; }
  .main-nav.open { transform: translateX(0); }
  .main-nav ul { flex-direction: column; align-items: flex-start; gap: var(--space-3); }
  .header-phone span.phone-text { display: none; }
  .nav-toggle { display: block; flex-shrink: 0; }
}

/* Below 700px the sticky mobile call bar already provides the CTA, so drop
   the header button and phone icon to guarantee the hamburger always fits. */
@media (max-width: 700px) {
  .header-cta .btn-primary { display: none; }
  .header-phone { display: none; }
  .header-cta { gap: var(--space-1); }
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 0;
  background:
    linear-gradient(160deg, rgba(14,22,38,0.90) 0%, rgba(14,70,119,0.82) 100%),
    url('../images/www.webp') center/cover no-repeat;
  color: #fff;
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(600px 300px at 85% 20%, rgba(34,184,160,0.28), transparent 70%);
  pointer-events: none;
}
.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-5);
  align-items: center;
  padding: var(--space-7) 0;
}
.hero h1 { color: #fff; }
.hero-subhead { color: rgba(255,255,255,0.94); font-size: 1.3rem; font-weight: 600; margin-top: 0.3rem; }
.hero p.lead { color: rgba(255,255,255,0.82); font-size: 1.1rem; max-width: 46ch; }
.hero-actions { display: flex; gap: var(--space-2); flex-wrap: wrap; margin-top: var(--space-3); }
.hero-trust { display: flex; gap: var(--space-4); margin-top: var(--space-4); flex-wrap: wrap; }
.hero-trust-item { display: flex; align-items: center; gap: 0.5rem; font-size: 0.9rem; color: rgba(255,255,255,0.85); }
.hero-visual {
  aspect-ratio: 4/3;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(255,255,255,0.14), rgba(255,255,255,0.03));
  border: 1px solid rgba(255,255,255,0.18);
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,0.6);
  text-align: center;
  font-weight: 600;
  padding: var(--space-3);
  box-shadow: var(--shadow-lg);
}
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; padding: var(--space-5) 0; }
}
@media (max-width: 560px) {
  .hero-inner { padding: var(--space-4) 0; gap: var(--space-3); }
  .hero-subhead { font-size: 1.1rem; }
  .hero-trust { gap: var(--space-2) var(--space-3); margin-top: var(--space-3); }
  .hero-visual { aspect-ratio: 16/10; }
}

/* ---------- Placeholder image blocks (swap for real photos) ---------- */
.img-placeholder {
  background: linear-gradient(135deg, var(--color-primary-light), #fff);
  border: 1.5px dashed var(--color-border);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--color-muted);
  font-size: 0.85rem;
  font-weight: 600;
  gap: 0.4rem;
  padding: var(--space-3);
  min-height: 220px;
}
.img-placeholder .ph-icon { font-size: 1.8rem; }

/* ---------- Real photo frames (replaces img-placeholder once a photo is in) ---------- */
.hero-visual img,
.photo-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: inherit;
  display: block;
}
.photo-frame {
  border-radius: var(--radius-md);
  overflow: hidden;
  min-height: 220px;
  box-shadow: var(--shadow-md);
}

/* ---------- Gallery grid (homepage "Our work") ---------- */
.gallery-grid { grid-template-columns: repeat(4, 1fr); }
.gallery-grid .photo-frame { min-height: 0; aspect-ratio: 4 / 3; box-shadow: var(--shadow-sm); transition: box-shadow 0.2s ease, transform 0.2s ease; }
.gallery-grid .photo-frame:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
@media (max-width: 900px) { .gallery-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .gallery-grid { grid-template-columns: 1fr; } }
.map-frame {
  border-radius: var(--radius-md);
  overflow: hidden;
  min-height: 280px;
  border: 1px solid var(--color-border);
}
.map-frame iframe { width: 100%; height: 100%; min-height: 280px; border: 0; display: block; }

/* ---------- Services grid ---------- */
.grid { display: grid; gap: var(--space-3); }
.services-grid { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 900px) { .services-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .services-grid { grid-template-columns: 1fr; } }

.card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}
.card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }

.service-card { padding: 0; overflow: hidden; display: flex; flex-direction: column; }
.service-card-img { width: 100%; height: 160px; overflow: hidden; background: var(--color-bg-alt); }
.service-card-img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 0.75rem;
  box-sizing: border-box;
  display: block;
  transition: transform 0.3s ease;
}
.service-card:hover .service-card-img img { transform: scale(1.06); }
.service-card-body { padding: var(--space-3); display: flex; flex-direction: column; flex: 1; }
.service-card a.card-link { font-weight: 700; color: var(--color-primary); font-size: 0.92rem; display: inline-flex; align-items: center; gap: 0.3rem; margin-top: auto; padding-top: 0.5rem; }

/* ---------- Section header ---------- */
.section-head { max-width: 640px; margin: 0 auto var(--space-5); text-align: center; }
.section-head.align-left { margin-left: 0; text-align: left; }

/* ---------- Why choose us ---------- */
.feature-list { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-3); }
@media (max-width: 900px) { .feature-list { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .feature-list { grid-template-columns: 1fr; } }
.feature-item { text-align: center; }
.feature-item .icon {
  width: 60px; height: 60px; margin: 0 auto var(--space-2);
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--color-accent), var(--color-primary));
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.feature-item:hover .icon { transform: translateY(-3px); box-shadow: var(--shadow-md); }

/* ---------- Process steps ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-3); counter-reset: step; }
@media (max-width: 900px) { .steps { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .steps { grid-template-columns: 1fr; } }
.step { position: relative; padding-top: var(--space-2); }
.step .step-num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--color-primary); color: #fff; font-weight: 800;
  margin-bottom: var(--space-2);
}

/* ---------- Testimonials ---------- */
.testimonial-grid { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 900px) { .testimonial-grid { grid-template-columns: 1fr; } }
.stars { color: var(--color-star); letter-spacing: 2px; margin-bottom: var(--space-1); }
.testimonial-quote { font-style: italic; color: var(--color-ink); }
.testimonial-author { margin-top: var(--space-2); font-weight: 700; font-size: 0.9rem; color: var(--color-muted); }

/* ---------- CTA banner ---------- */
.cta-banner {
  background: linear-gradient(120deg, var(--color-primary), var(--color-accent-dark));
  color: #fff;
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  text-align: center;
}
.cta-banner h2 { color: #fff; }
.cta-banner p { color: rgba(255,255,255,0.88); }

/* ---------- Service areas ---------- */
.area-list { display: flex; flex-wrap: wrap; gap: 0.6rem; justify-content: center; }
.area-chip {
  padding: 0.5rem 1rem;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-body);
}

/* ---------- FAQ ---------- */
.faq-item { border-bottom: 1px solid var(--color-border); padding: var(--space-3) 0; }
.faq-item summary { cursor: pointer; font-weight: 700; color: var(--color-ink); list-style: none; display: flex; justify-content: space-between; align-items: center; gap: var(--space-2); }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; font-size: 1.4rem; color: var(--color-primary); transition: transform 0.2s ease; }
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item p { margin-top: var(--space-2); }

/* ---------- Forms ---------- */
.form-grid { display: grid; gap: var(--space-2); }
label { display: block; font-weight: 700; font-size: 0.88rem; color: var(--color-ink); margin-bottom: 0.35rem; }
input, textarea, select {
  width: 100%;
  padding: 0.75rem 0.9rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--color-ink);
  background: #fff;
}
input:focus, textarea:focus, select:focus { border-color: var(--color-primary); }
.form-row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-2); }
@media (max-width: 560px) { .form-row-2 { grid-template-columns: 1fr; } }
.form-note { font-size: 0.82rem; color: var(--color-muted); margin-top: var(--space-1); }
.form-success {
  display: none;
  background: rgba(31,157,100,0.1);
  border: 1px solid var(--color-success);
  color: var(--color-success);
  padding: var(--space-2);
  border-radius: var(--radius-sm);
  font-weight: 700;
  margin-top: var(--space-2);
}
.form-success.visible { display: block; }

/* ---------- Contact info blocks ---------- */
.info-grid { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 900px) { .info-grid { grid-template-columns: 1fr; } }

.contact-grid { grid-template-columns: 1.2fr 0.8fr; gap: 2.5rem; align-items: flex-start; }
@media (max-width: 800px) { .contact-grid { grid-template-columns: 1fr; } }
.info-card { text-align: center; }
.info-card .icon {
  width: 48px; height: 48px; margin: 0 auto var(--space-2);
  border-radius: 12px; background: var(--color-primary-light); color: var(--color-primary);
  display: flex; align-items: center; justify-content: center; font-size: 1.3rem;
}

/* ---------- Breadcrumb ---------- */
.breadcrumb { font-size: 0.85rem; color: var(--color-muted); margin-bottom: var(--space-2); }
.breadcrumb a { color: var(--color-primary); font-weight: 600; }

/* ---------- Page hero (inner pages) ---------- */
.page-hero {
  background: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-5) 0;
}
.page-hero p.lead { max-width: 60ch; color: var(--color-body); font-size: 1.05rem; }

/* ---------- Footer ---------- */
.site-footer { background: var(--color-bg-dark); color: rgba(255,255,255,0.72); padding: var(--space-6) 0 var(--space-3); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: var(--space-4); margin-bottom: var(--space-5); }
@media (max-width: 900px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-brand { display: flex; align-items: center; gap: 0.6rem; color: #fff; font-weight: 800; font-size: 1.1rem; margin-bottom: var(--space-2); }
.site-footer h4 { color: #fff; font-size: 0.95rem; margin-bottom: var(--space-2); }
.site-footer a:hover { color: #fff; }
.site-footer ul li { margin-bottom: 0.55rem; font-size: 0.92rem; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.12); padding-top: var(--space-3); display: flex; justify-content: space-between; flex-wrap: wrap; gap: var(--space-2); font-size: 0.82rem; color: rgba(255,255,255,0.5); }
.social-row { display: flex; gap: var(--space-2); margin-top: var(--space-2); }
.social-row a {
  width: 36px; height: 36px; border-radius: 50%;
  background: rgba(255,255,255,0.08);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.95rem;
}
.social-row a:hover { background: var(--color-accent); }

/* ---------- Sticky mobile call bar ---------- */
.mobile-call-bar {
  display: none;
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 90;
  background: var(--color-primary);
  padding: 0.8rem var(--space-3);
  box-shadow: 0 -4px 16px rgba(0,0,0,0.15);
}
.mobile-call-bar a { color: #fff; font-weight: 800; text-align: center; display: block; }
@media (max-width: 700px) { .mobile-call-bar { display: block; } body { padding-bottom: 60px; } }

/* ---------- Utility ---------- */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.badge-row { display: flex; gap: var(--space-2); flex-wrap: wrap; }
.skip-link {
  position: absolute; left: -999px; top: 0;
  background: var(--color-primary); color: #fff; padding: 0.6rem 1rem; z-index: 200;
}
.skip-link:focus { left: var(--space-2); top: var(--space-2); }