/*----------------------------------------------------------------------------
| Root Variables
| Color palette, spacing scale, radius, and layout — change here, ripples
| through the entire site.
----------------------------------------------------------------------------*/

:root {
  /* Colors */
  --color-dark:             #1c2b3a;
  --color-dark-raw:         28, 43, 58;
  --color-accent:           #c8922a;
  --color-accent-dark:      #a87620;
  --color-light:            #f7f6f2;
  --color-border:           #e2ddd4;

  /* Text */
  --text:                   #2c2c2c;
  --text-muted:             #6b6560;
  --text-on-dark:           #ffffff;
  --text-on-dark-muted:     rgba(255, 255, 255, 0.62);

  /* Radius */
  --radius:                 4px;
  --radius-lg:              8px;

  /* Spacing — double underscore prefix, number = rem value */
  --__1:                    1rem;
  --__1-5:                  1.5rem;
  --__2:                    2rem;
  --__2-5:                  2.5rem;
  --__3:                    3rem;
  --__4:                    4rem;
  --__5:                    5rem;

  /* Layout */
  --max-width:              1100px;
}

/*----------------------------------------------------------------------------
| Base Reset
| Minimal reset and base element defaults.
----------------------------------------------------------------------------*/

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text);
  background: white;
}

img {
  display: block;
  width: 100%;
}

a {
  color: var(--color-accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/*----------------------------------------------------------------------------
| Utilities
| Single-purpose helper classes for spacing, color, and layout.
----------------------------------------------------------------------------*/

.constrain {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--__2);
}

.py-2  { padding-top: var(--__2);  padding-bottom: var(--__2); }
.py-4  { padding-top: var(--__4);  padding-bottom: var(--__4); }

.mb-2  { margin-bottom: var(--__2); }

.text-center     { text-align: center; }
.text-muted      { color: var(--text-muted); }

.bg-dark  { background: var(--color-dark);  color: var(--text-on-dark); }
.bg-light { background: var(--color-light); }

/*----------------------------------------------------------------------------
| Typography
| Base element styles — one place to change, everything updates.
----------------------------------------------------------------------------*/

h1 { font-size: 2.75rem; font-weight: 700; line-height: 1.15; }
h2 { font-size: 2rem;    font-weight: 700; line-height: 1.2;  }
h3 { font-size: 1.35rem; font-weight: 600; }
h4 { font-size: 1.05rem; font-weight: 600; }

p { margin-top: 0.75rem; }
p:first-child { margin-top: 0; }

small { font-size: 0.85rem; }

blockquote {
  max-width: 680px;
  margin: 0 auto;

  p {
    font-size: 1.35rem;
    font-style: italic;
    color: var(--text-on-dark);
    line-height: 1.55;
    margin: 0;
  }

  cite {
    display: block;
    margin-top: var(--__1);
    color: var(--text-on-dark-muted);
    font-size: 0.9rem;
    font-style: normal;
  }
}

/*----------------------------------------------------------------------------
| Semantic Elements
| Base styles for interactive and form elements.
----------------------------------------------------------------------------*/

button,
.btn {
  display: inline-block;
  padding: 0.7rem 1.6rem;
  background: var(--color-accent);
  color: var(--text-on-dark);
  border: 2px solid var(--color-accent);
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.18s, border-color 0.18s;

  &:hover {
    background: var(--color-accent-dark);
    border-color: var(--color-accent-dark);
    text-decoration: none;
  }
}

.btn-outline {
  background: transparent;
  color: var(--text-on-dark);
  border-color: rgba(255, 255, 255, 0.5);

  &:hover {
    background: var(--text-on-dark);
    color: var(--color-dark);
    border-color: var(--text-on-dark);
  }
}

input,
select,
textarea {
  width: 100%;
  padding: 0.65rem 0.9rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 1rem;
  font-family: inherit;
  color: var(--text);
  background: white;
  transition: border-color 0.15s;
  appearance: none;

  &:focus {
    outline: none;
    border-color: var(--color-accent);
  }

  &::placeholder {
    color: #bbb;
  }
}

select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none' viewBox='0 0 12 8'%3E%3Cpath stroke='%236b6560' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.85rem center;
  padding-right: 2.2rem;
}

label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
  color: var(--text);
}

.card {
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

/*----------------------------------------------------------------------------
| COMPONENT - Site Header
| Fixed top bar with logo and navigation links.
----------------------------------------------------------------------------*/

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--color-dark);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);

  .constrain {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
  }

  .header-logo img {
    height: 34px;
    width: auto;
  }
}

/*----------------------------------------------------------------------------
| COMPONENT - Site Nav
| Horizontal navigation links with a CTA button.
----------------------------------------------------------------------------*/

.site-nav {
  display: flex;
  align-items: center;
  gap: var(--__2);

  a {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.95rem;
    font-weight: 500;
    text-decoration: none;
    transition: color 0.15s;

    &:hover {
      color: var(--text-on-dark);
      text-decoration: none;
    }
  }

  .btn-outline {
    padding: 0.45rem 1.1rem;
    font-size: 0.9rem;
  }
}

/*----------------------------------------------------------------------------
| COMPONENT - Banner
| Video hero with dark overlay and intro card.
----------------------------------------------------------------------------*/

.banner {
  min-height: 70vh;
  padding-top: 64px;
  display: flex;
  align-items: stretch;
  position: relative;
  overflow: hidden;

  .banner-video {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
  }

  &::before {
    content: '';
    position: absolute;
    inset: 0;
    z-index: 1;
    background: linear-gradient(
      to right,
      rgba(var(--color-dark-raw), 0.88) 0%,
      rgba(var(--color-dark-raw), 0.55) 60%,
      rgba(var(--color-dark-raw), 0.20) 100%
    );
  }

  .constrain {
    position: relative;
    z-index: 2;
    display: flex;
    justify-content: flex-end;
    align-items: flex-end;
    padding-bottom: var(--__3);
    margin-right: 3rem;
  }

  .banner-card {
    max-width: 580px;
    /*margin-right: var(--__3);*/
    padding: var(--__2) var(--__2-5);
    background: rgba(var(--color-dark-raw), 0.72);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(6px);

    .banner-eyebrow {
      font-size: 0.8rem;
      font-weight: 600;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      color: var(--color-accent);
      margin-bottom: var(--__1);
    }

    h1 {
      color: var(--text-on-dark);
      margin-bottom: var(--__1);
    }

    p {
      color: var(--text-on-dark-muted);
      font-size: 1.05rem;
      margin-bottom: var(--__1-5);
    }
  }
}

/*----------------------------------------------------------------------------
| COMPONENT - Stats
| Full-width dark bar with four key company metrics.
----------------------------------------------------------------------------*/

.stats {
  padding: var(--__2-5) 0;

  .stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--__2);
    text-align: center;
  }

  .stat {
    strong {
      display: block;
      font-size: 2.25rem;
      font-weight: 700;
      color: var(--color-accent);
      line-height: 1;
    }

    span {
      display: block;
      margin-top: 0.4rem;
      font-size: 0.8rem;
      color: var(--text-on-dark-muted);
      text-transform: uppercase;
      letter-spacing: 0.07em;
    }
  }
}

/*----------------------------------------------------------------------------
| COMPONENT - About
| Two-column layout: company story on the left, core values on the right.
----------------------------------------------------------------------------*/

.about {
  .about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--__4);
    align-items: start;
  }

  .about-story h2 {
    margin-bottom: var(--__1);
  }

  .about-values {
    display: flex;
    flex-direction: column;
    gap: var(--__1-5);
    padding-top: 0.25rem;
  }

  .value-item {
    padding: var(--__1) var(--__1-5);
    border-left: 3px solid var(--color-accent);
    background: var(--color-light);
    border-radius: 0 var(--radius) var(--radius) 0;

    h4 { color: var(--color-dark); }

    p {
      margin-top: 0.3rem;
      font-size: 0.9rem;
      color: var(--text-muted);
    }
  }
}

/*----------------------------------------------------------------------------
| COMPONENT - Services
| Three service cards on a light background.
----------------------------------------------------------------------------*/

.services {
  .services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--__1-5);
  }

  .services-card {
    padding: var(--__2);

    h3 {
      margin-bottom: 0.75rem;
      color: var(--color-dark);
    }

    p {
      margin: 0;
      font-size: 0.95rem;
      color: var(--text-muted);
    }
  }
}

/*----------------------------------------------------------------------------
| COMPONENT - Projects
| 3×2 grid of project cards with image, sector label, and description.
----------------------------------------------------------------------------*/

.projects {
  .projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--__1-5);
  }

  .project-card {
    transition: box-shadow 0.2s;

    &:hover {
      box-shadow: 0 6px 24px rgba(0, 0, 0, 0.1);
    }

    img {
      height: 200px;
      object-fit: cover;
    }

    .project-info {
      padding: var(--__1) var(--__1-5) var(--__1-5);
    }

    .project-sector {
      display: inline-block;
      color: var(--color-accent);
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.07em;
      font-size: 0.72rem;
      margin-bottom: 0.3rem;
    }

    h4 {
      margin-bottom: 0.4rem;
      color: var(--color-dark);
    }

    p {
      margin: 0;
      font-size: 0.875rem;
      color: var(--text-muted);
      line-height: 1.5;
    }
  }
}

/*----------------------------------------------------------------------------
| COMPONENT - Contact
| Info panel on the left, inquiry form on the right.
----------------------------------------------------------------------------*/

.contact {
  .contact-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--__4);
    align-items: start;
  }

  .contact-info {
    h4 {
      font-size: 1.15rem;
      margin-bottom: var(--__1);
    }

    p {
      font-size: 0.95rem;
      margin-top: 0.5rem;
    }

    a { color: var(--color-accent); }
  }

  .contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--__1);

    button {
      align-self: flex-start;
      margin-top: 0.25rem;
    }
  }

  .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--__1);
  }

  .form-field {
    display: flex;
    flex-direction: column;
  }
}

/*----------------------------------------------------------------------------
| COMPONENT - Footer
| Dark closing bar with logo and copyright text.
----------------------------------------------------------------------------*/

.footer {
  border-top: 1px solid rgba(255, 255, 255, 0.08);

  .footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
  }

  .footer-logo {
    width: auto;
    height: 28px;
  }

  p {
    margin: 0;
    color: var(--text-on-dark-muted);
  }
}

/*----------------------------------------------------------------------------
| Responsive
| Mobile overrides below 768px.
----------------------------------------------------------------------------*/

@media (max-width: 768px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.6rem; }

  .site-nav a:not(.btn) { display: none; }

  .stats .stats-grid       { grid-template-columns: repeat(2, 1fr); }
  .about .about-grid        { grid-template-columns: 1fr; gap: var(--__2); }
  .services .services-grid  { grid-template-columns: 1fr; }
  .projects .projects-grid  { grid-template-columns: repeat(2, 1fr); }
  .contact .contact-grid    { grid-template-columns: 1fr; gap: var(--__2); }
  .contact .form-row        { grid-template-columns: 1fr; }

  .banner .constrain { padding-right: var(--__1); padding-bottom: var(--__2); }
  .banner .banner-card { max-width: 100%; }
}

@media (max-width: 500px) {
  .projects .projects-grid { grid-template-columns: 1fr; }
  .footer .footer-inner     { flex-direction: column; gap: var(--__1); text-align: center; }
}