/* --- Variables --- */
:root {
  --navy: #0d1b2a;
  --navy-mid: #1b263b;
  --steel: #415a77;
  --silver: #778da9;
  --off-white: #e0e1dd;
  --amber: #e9c46a;
  --amber-hover: #f4a261;
  --white: #fff;
  --font-display: "Bebas Neue", sans-serif;
  --font-body: "Source Sans 3", sans-serif;
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  --radius: 4px;
  --transition: 0.2s ease;
}

/* --- Reset & base --- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--off-white);
  background: var(--navy);
}

a { color: var(--amber); text-decoration: none; }
a:hover { color: var(--amber-hover); }
img { max-width: 100%; height: auto; display: block; }

/* --- Layout --- */
.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.section {
  padding: var(--space-2xl) 0;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 400;
  letter-spacing: 0.02em;
  color: var(--white);
  margin: 0 0 var(--space-sm);
}
.section-intro {
  font-size: 1.125rem;
  color: var(--silver);
  max-width: 42ch;
  margin: 0 0 var(--space-xl);
}

/* --- Header --- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(13, 27, 42, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(119, 141, 169, 0.2);
}
.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: var(--space-sm) var(--space-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  font-family: var(--font-display);
  font-size: 1.75rem;
  letter-spacing: 0.05em;
  color: var(--white);
}
.logo:hover { color: var(--amber); }
.nav {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}
.nav a {
  color: var(--off-white);
  font-weight: 600;
  font-size: 0.9375rem;
}
.nav a:hover { color: var(--white); }
.btn-nav {
  padding: var(--space-xs) var(--space-md);
  background: var(--amber);
  color: var(--navy) !important;
  border-radius: var(--radius);
}
.btn-nav:hover { background: var(--amber-hover); color: var(--navy) !important; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: var(--space-xs);
  cursor: pointer;
}
.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--off-white);
  border-radius: 1px;
}

/* --- Buttons --- */
.btn {
  display: inline-block;
  padding: var(--space-sm) var(--space-lg);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.9375rem;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
}
.btn-primary {
  background: var(--amber);
  color: var(--navy);
}
.btn-primary:hover { background: var(--amber-hover); }
.btn-secondary {
  background: transparent;
  color: var(--amber);
  border: 2px solid var(--amber);
}
.btn-secondary:hover {
  background: var(--amber);
  color: var(--navy);
}

/* --- Hero --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: calc(80px + var(--space-xl)) var(--space-md) var(--space-xl);
  overflow: hidden;
}
.hero-slider {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.8s ease;
}
.hero-slide.is-active {
  opacity: 1;
  z-index: 1;
}
.hero-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(135deg, rgba(13, 27, 42, 0.88) 0%, rgba(27, 38, 59, 0.82) 50%, rgba(13, 27, 42, 0.88) 100%),
    radial-gradient(ellipse 80% 60% at 50% 100%, rgba(65, 90, 119, 0.35) 0%, transparent 60%);
  pointer-events: none;
}
.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 720px;
}
.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(3rem, 10vw, 5.5rem);
  font-weight: 400;
  letter-spacing: 0.03em;
  line-height: 0.95;
  color: var(--white);
  margin: 0 0 var(--space-md);
}
.hero-tagline {
  font-size: 1.25rem;
  color: var(--silver);
  margin: 0 0 var(--space-xl);
  max-width: 36ch;
  margin-left: auto;
  margin-right: auto;
}
.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  justify-content: center;
}

/* --- Services --- */
.services { background: var(--navy-mid); }
.services-grid {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-lg);
}
.service-card {
  background: rgba(13, 27, 42, 0.6);
  border: 1px solid rgba(119, 141, 169, 0.25);
  border-radius: var(--radius);
  padding: var(--space-lg);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.service-card:hover {
  border-color: rgba(233, 196, 106, 0.4);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}
.service-icon {
  display: block;
  color: var(--amber);
  font-size: 1.25rem;
  margin-bottom: var(--space-sm);
}
.service-card h3 {
  font-family: var(--font-body);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--white);
  margin: 0 0 var(--space-xs);
}
.service-card p {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--silver);
}

/* --- About --- */
.about { background: var(--navy); }
.about-grid {
  display: grid;
  gap: var(--space-xl);
}
@media (min-width: 768px) {
  .about-grid {
    grid-template-columns: 1fr auto;
    align-items: start;
  }
}
.about-lead {
  font-size: 1.125rem;
  color: var(--silver);
  margin: 0 0 var(--space-md);
}
.about-content p { margin: 0 0 var(--space-md); }
.about-content p:last-of-type { margin-bottom: 0; }
.about-stats {
  display: flex;
  gap: var(--space-xl);
}
.stat {
  text-align: center;
}
.stat-number {
  display: block;
  font-family: var(--font-display);
  font-size: 2.5rem;
  color: var(--amber);
  letter-spacing: 0.02em;
}
.stat-label {
  font-size: 0.875rem;
  color: var(--silver);
}

/* --- Contractor --- */
.contractor { background: var(--navy-mid); }
.contractor-card {
  display: grid;
  gap: var(--space-xl);
  align-items: start;
  background: rgba(13, 27, 42, 0.6);
  border: 1px solid rgba(119, 141, 169, 0.25);
  border-radius: var(--radius);
  padding: var(--space-xl);
}
@media (min-width: 640px) {
  .contractor-card {
    grid-template-columns: 280px 1fr;
  }
}
.contractor-image-wrap {
  position: relative;
  aspect-ratio: 3 / 4;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--navy);
}
.contractor-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.contractor-image-placeholder {
  display: none;
  position: absolute;
  inset: 0;
  align-items: center;
  justify-content: center;
  background: var(--steel);
  color: var(--silver);
  font-size: 0.875rem;
}
.contractor-image-placeholder.is-visible {
  display: flex;
}
.contractor-info { min-width: 0; }
.contractor-name {
  font-family: var(--font-display);
  font-size: 1.75rem;
  letter-spacing: 0.02em;
  color: var(--white);
  margin: 0 0 var(--space-xs);
}
.contractor-title {
  font-size: 0.9375rem;
  color: var(--silver);
  margin: 0 0 var(--space-md);
}
.contractor-contact {
  font-size: 1rem;
  margin: 0 0 var(--space-sm);
}
.contractor-contact a { font-weight: 600; }
.contractor-note {
  font-size: 0.8125rem;
  color: var(--steel);
  margin: var(--space-md) 0 0;
}
.contractor-note code {
  font-size: 0.75rem;
  padding: 0.15em 0.4em;
  background: rgba(119, 141, 169, 0.2);
  border-radius: 2px;
}

/* --- Why us --- */
.why-us { background: var(--navy-mid); }
.why-list {
  list-style: none;
  padding: 0;
  margin: 0;
  max-width: 560px;
}
.why-list li {
  padding: var(--space-sm) 0;
  border-bottom: 1px solid rgba(119, 141, 169, 0.2);
  color: var(--off-white);
}
.why-list li:last-child { border-bottom: none; }
.why-list strong { color: var(--amber); }

/* --- Contact --- */
.contact { background: var(--navy); }
.contact-grid {
  display: grid;
  gap: var(--space-xl);
}
@media (min-width: 640px) {
  .contact-grid {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
}
.contact-info p { margin: 0 0 var(--space-sm); }
.contact-info a { font-weight: 600; }
.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}
.contact-form label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--silver);
}
.contact-form input,
.contact-form textarea {
  font-family: var(--font-body);
  font-size: 1rem;
  padding: var(--space-sm);
  background: var(--navy-mid);
  border: 1px solid rgba(119, 141, 169, 0.35);
  border-radius: var(--radius);
  color: var(--white);
}
.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: var(--silver);
  opacity: 0.8;
}
.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--amber);
}
.contact-form button { align-self: flex-start; }
.form-status { margin-top: var(--space-sm); font-size: 0.9375rem; }
.form-status--success { color: var(--amber); }
.form-status--error { color: #e07c7c; }

/* --- Footer --- */
.site-footer {
  padding: var(--space-xl) 0;
  border-top: 1px solid rgba(119, 141, 169, 0.2);
  text-align: center;
}
.footer-logo {
  font-family: var(--font-display);
  font-size: 1.25rem;
  letter-spacing: 0.05em;
  color: var(--silver);
  margin: 0 0 var(--space-xs);
}
.footer-copy {
  font-size: 0.875rem;
  color: var(--steel);
  margin: 0;
}

/* --- Mobile nav --- */
@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .nav {
    position: fixed;
    top: 57px;
    left: 0;
    right: 0;
    background: var(--navy);
    border-bottom: 1px solid rgba(119, 141, 169, 0.2);
    flex-direction: column;
    padding: var(--space-lg);
    gap: var(--space-md);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: transform var(--transition), opacity var(--transition), visibility var(--transition);
  }
  .nav.is-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  .nav a { font-size: 1rem; }
}