/* L K Mechanical — Water Damage Restoration
   Palette: white, navy, gray, muted blue */

:root {
  --navy: #0f2545;
  --navy-2: #16345f;
  --blue: #3b6ea8;
  --muted-blue: #e9f0f9;
  --gray-900: #1f2937;
  --gray-700: #374151;
  --gray-500: #6b7280;
  --gray-300: #d1d5db;
  --gray-100: #f3f4f6;
  --bg: #ffffff;
  --shadow: 0 6px 24px rgba(15, 37, 69, 0.08);
  --radius: 8px;
  --max: 1140px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--gray-900);
  background: var(--bg);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

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

a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }

.container {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 20px;
}

/* Topbar */
.topbar {
  background: var(--navy);
  color: #fff;
  font-size: 14px;
}
.topbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 8px;
  padding-bottom: 8px;
  flex-wrap: wrap;
  gap: 8px;
}
.topbar a { color: #fff; }
.topbar .topbar-info span { margin-right: 18px; }

/* Header / Nav */
.site-header {
  background: #fff;
  border-bottom: 1px solid var(--gray-100);
  position: sticky;
  top: 0;
  z-index: 50;
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  padding-bottom: 14px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--navy);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: 0.3px;
}
.brand-mark {
  width: 36px; height: 36px;
  background: var(--navy);
  color: #fff;
  border-radius: 6px;
  display: inline-flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 14px;
}
.brand small {
  display: block;
  color: var(--gray-500);
  font-weight: 500;
  font-size: 12px;
  letter-spacing: 0.4px;
  text-transform: uppercase;
}

.nav {
  display: flex;
  align-items: center;
  gap: 24px;
}
.nav a {
  color: var(--gray-700);
  font-weight: 500;
  padding: 6px 2px;
  border-bottom: 2px solid transparent;
}
.nav a.active, .nav a:hover {
  color: var(--navy);
  border-bottom-color: var(--blue);
  text-decoration: none;
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--gray-300);
  border-radius: 6px;
  padding: 8px 10px;
  cursor: pointer;
}
.nav-toggle span {
  display: block; width: 22px; height: 2px;
  background: var(--navy); margin: 4px 0;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 12px 22px;
  border-radius: var(--radius);
  font-weight: 600;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform .05s ease, background .2s, color .2s, border-color .2s;
  font-size: 15px;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary { background: var(--navy); color: #fff; }
.btn-primary:hover { background: var(--navy-2); color: #fff; }
.btn-outline { background: transparent; color: #fff; border-color: #fff; }
.btn-outline:hover { background: #fff; color: var(--navy); }
.btn-dark-outline { background: transparent; color: var(--navy); border-color: var(--navy); }
.btn-dark-outline:hover { background: var(--navy); color: #fff; }

/* Hero */
.hero {
  position: relative;
  background: linear-gradient(rgba(15,37,69,0.72), rgba(15,37,69,0.78)),
              url('../images/hero-water-cleanup.jpg') center/cover no-repeat;
  color: #fff;
  padding: 90px 0 100px;
}
.hero h1 {
  font-size: 42px;
  line-height: 1.15;
  margin: 0 0 16px;
  font-weight: 700;
}
.hero p.lead {
  font-size: 18px;
  max-width: 680px;
  margin: 0 0 28px;
  color: #e3ebf6;
}
.hero .cta {
  display: flex; gap: 14px; flex-wrap: wrap;
}

/* Page header (inner pages) */
.page-header {
  background: var(--navy);
  color: #fff;
  padding: 60px 0;
}
.page-header h1 {
  font-size: 34px;
  margin: 0 0 8px;
}
.page-header p {
  margin: 0;
  color: #cbd6e6;
}

/* Sections */
section { padding: 64px 0; }
section.alt { background: var(--gray-100); }

.section-title {
  text-align: center;
  margin: 0 0 12px;
  color: var(--navy);
  font-size: 28px;
}
.section-sub {
  text-align: center;
  color: var(--gray-500);
  max-width: 680px;
  margin: 0 auto 40px;
}

/* Grid */
.grid {
  display: grid;
  gap: 24px;
}
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

/* Cards */
.card {
  background: #fff;
  border: 1px solid var(--gray-100);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
}
.card h3 {
  color: var(--navy);
  margin: 0 0 8px;
  font-size: 18px;
}
.card p {
  color: var(--gray-700);
  margin: 0;
  font-size: 15px;
}

.service-card .icon {
  width: 44px; height: 44px;
  background: var(--muted-blue);
  color: var(--navy);
  border-radius: 6px;
  display: inline-flex; align-items: center; justify-content: center;
  margin-bottom: 14px;
}

/* Why us */
.why .card {
  text-align: left;
}
.why .num {
  font-size: 26px;
  color: var(--blue);
  font-weight: 700;
  margin-bottom: 6px;
}

/* Service detail blocks */
.service-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  margin-bottom: 56px;
}
.service-block:last-child { margin-bottom: 0; }
.service-block.reverse { grid-template-areas: "img text"; }
.service-block .text h2 {
  color: var(--navy);
  font-size: 24px;
  margin: 0 0 12px;
}
.service-block .text p {
  color: var(--gray-700);
  margin: 0 0 12px;
}
.service-block img {
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  width: 100%;
  height: 280px;
  object-fit: cover;
}

/* About */
.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 40px;
  align-items: center;
}
.about-grid img {
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  width: 100%;
  height: 360px;
  object-fit: cover;
}
.about-grid h2 {
  color: var(--navy);
  margin-top: 0;
}

/* Service area */
.area-list {
  display: flex; flex-wrap: wrap; gap: 10px;
  justify-content: center;
}
.area-list span {
  background: #fff;
  border: 1px solid var(--gray-300);
  color: var(--navy);
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}
.contact-info h3 {
  color: var(--navy);
  margin: 0 0 10px;
  font-size: 20px;
}
.contact-info p { margin: 4px 0; color: var(--gray-700); }
.contact-info .label {
  font-weight: 600;
  color: var(--navy);
  display: inline-block;
  min-width: 80px;
}

form .field {
  display: flex; flex-direction: column;
  margin-bottom: 14px;
}
form label {
  font-size: 14px; color: var(--navy); font-weight: 600;
  margin-bottom: 6px;
}
form input, form textarea, form select {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--gray-300);
  border-radius: 6px;
  font-size: 15px;
  font-family: inherit;
  color: var(--gray-900);
  background: #fff;
}
form input:focus, form textarea:focus, form select:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(59,110,168,0.15);
}
form textarea { min-height: 130px; resize: vertical; }

.form-note { font-size: 13px; color: var(--gray-500); margin-top: 8px; }
.form-success {
  display: none;
  background: #e7f5ec;
  border: 1px solid #b6e0c4;
  color: #1f6b3a;
  padding: 12px 14px;
  border-radius: 6px;
  margin-bottom: 14px;
}

.map {
  margin-top: 20px;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.map iframe {
  display: block; width: 100%; height: 360px; border: 0;
}

/* CTA strip */
.cta-strip {
  background: var(--navy);
  color: #fff;
  padding: 48px 0;
}
.cta-strip .container {
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px; flex-wrap: wrap;
}
.cta-strip h2 {
  margin: 0;
  font-size: 24px;
}
.cta-strip p { margin: 6px 0 0; color: #cbd6e6; }

/* Footer */
.site-footer {
  background: #0b1c36;
  color: #cbd6e6;
  padding: 40px 0 20px;
  font-size: 14px;
}
.site-footer h4 {
  color: #fff;
  margin: 0 0 12px;
  font-size: 15px;
}
.site-footer a { color: #cbd6e6; }
.site-footer a:hover { color: #fff; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 30px;
  margin-bottom: 24px;
}
.footer-bottom {
  border-top: 1px solid #1a2c4a;
  padding-top: 16px;
  text-align: center;
  font-size: 13px;
  color: #8ea0bd;
}

/* Responsive */
@media (max-width: 900px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .service-block { grid-template-columns: 1fr; }
  .service-block img { height: 220px; }
  .about-grid { grid-template-columns: 1fr; }
  .about-grid img { height: 260px; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero { padding: 70px 0 80px; }
  .hero h1 { font-size: 32px; }
}

@media (max-width: 640px) {
  .nav { display: none; }
  .nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 64px; left: 0; right: 0;
    background: #fff;
    padding: 16px 20px;
    border-bottom: 1px solid var(--gray-100);
    gap: 14px;
  }
  .nav-toggle { display: inline-block; }
  .site-header .container { position: relative; }
  .grid-3, .grid-4, .grid-2 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .topbar .topbar-info span { display: block; margin: 2px 0; }
  .cta-strip .container { flex-direction: column; align-items: flex-start; }
  .hero h1 { font-size: 28px; }
  .page-header h1 { font-size: 26px; }
}