/* ==========================================================================
   Components
   ========================================================================== */

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--text-small);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 15px 28px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  transition: background-color var(--duration-base) var(--ease),
              color var(--duration-base) var(--ease),
              border-color var(--duration-base) var(--ease),
              transform var(--duration-fast) var(--ease);
  white-space: nowrap;
}

.btn:active { transform: translateY(1px); }

.btn-primary {
  background: var(--gold-500);
  color: var(--navy-900);
}
.btn-primary:hover { background: var(--gold-400); }

.btn-outline-light {
  background: transparent;
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.4);
}
.btn-outline-light:hover {
  border-color: var(--gold-500);
  color: var(--gold-400);
}

.btn-outline-dark {
  background: transparent;
  color: var(--navy-800);
  border-color: var(--navy-800);
}
.btn-outline-dark:hover {
  background: var(--navy-800);
  color: var(--white);
}

.btn-small {
  padding: 11px 20px;
  font-size: 0.75rem;
}

.btn svg {
  width: 14px;
  height: 14px;
  transition: transform var(--duration-base) var(--ease);
}
.btn:hover svg {
  transform: translateX(3px);
}

/* ---- Title Block (signature element) ----
   Modeled on the stamped info block found on real engineering drawings.
   Used to carry credentials wherever trust needs reinforcing. */
.title-block {
  font-family: var(--font-mono);
  font-size: var(--text-caption);
  border: 1px solid rgba(255, 255, 255, 0.2);
  display: grid;
  grid-template-columns: repeat(3, auto);
}

.title-block__cell {
  padding: var(--space-3) var(--space-4);
  border-right: 1px solid rgba(255, 255, 255, 0.2);
}
.title-block__cell:last-child { border-right: none; }

.title-block__label {
  display: block;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--gold-400);
  font-size: 0.65rem;
  margin-bottom: 2px;
}

.title-block__value {
  color: var(--white);
  font-size: 0.8rem;
}

.title-block--light {
  border-color: var(--concrete-300);
}
.title-block--light .title-block__cell {
  border-color: var(--concrete-300);
}
.title-block--light .title-block__label {
  color: var(--gold-600);
}
.title-block--light .title-block__value {
  color: var(--navy-900);
}

@media (max-width: 640px) {
  .title-block {
    grid-template-columns: 1fr;
  }
  .title-block__cell {
    border-right: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  }
  .title-block--light .title-block__cell {
    border-bottom: 1px solid var(--concrete-300);
  }
  .title-block__cell:last-child { border-bottom: none; }
}

/* ---- Inner Page Hero (About / Services / Capabilities / Contact) ---- */
.page-hero {
  background-color: var(--navy-900);
background-image:
  linear-gradient(90deg, rgba(7, 29, 56, 0.92) 0%, rgba(7, 29, 56, 0.78) 45%, rgba(7, 29, 56, 0.55) 100%),
  url('../assets/images/works/IMG-20261025-WA0108.jpg');
background-size: cover;
background-position: center;
background-repeat: no-repeat;

  padding-block: var(--space-8) var(--space-7);
  position: relative;
  overflow: hidden;
}

.page-hero::after {
  content: '';
  position: absolute;
  top: -1px;
  right: -1px;
  width: 140px;
  height: 140px;
  background: linear-gradient(135deg, transparent 49%, var(--gold-500) 49%, var(--gold-500) 51%, transparent 51%);
  pointer-events: none;
}

.page-hero__title {
  color: var(--white);
  max-width: 20ch;
}

.page-hero__lead {
  color: rgba(246, 243, 238, 0.75);
  font-size: var(--text-body-lg);
  max-width: 58ch;
  margin-top: var(--space-4);
}

.breadcrumb {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(246, 243, 238, 0.5);
  margin-bottom: var(--space-5);
}
.breadcrumb a { color: rgba(246, 243, 238, 0.7); }
.breadcrumb a:hover { color: var(--gold-400); }

/* ---- Section spacing shared across inner pages ---- */
.section {
  padding-block: var(--space-9);
}
.section--tight {
  padding-block: var(--space-7);
}
.section--alt {
  background: var(--concrete-200);
}
.section__header {
  max-width: 70ch;
  margin-bottom: var(--space-8);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--navy-900);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  height: 90px;
  padding-top: 15px;
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-3);
}

.site-header__brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.site-header__brand img {
  height: 46px;
  width: 46px;
}

.site-header__brand-text {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--white);
  line-height: 1.1;
}

.site-header__brand-text span {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  font-weight: 400;
  letter-spacing: 0.14em;
  color: var(--gold-400);
  text-transform: uppercase;
  margin-top: 2px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-7);
}

.site-nav__list {
  display: flex;
  gap: var(--space-6);
}

.site-nav__list a {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.75);
  padding-block: var(--space-2);
  position: relative;
  transition: color var(--duration-base) var(--ease);
}

.site-nav__list a:hover,
.site-nav__list a[aria-current="page"] {
  color: var(--white);
}

.site-nav__list a[aria-current="page"]::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 100%;
  height: 2px;
  background: var(--gold-500);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
}
.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--white);
  transition: transform var(--duration-base) var(--ease), opacity var(--duration-base) var(--ease);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 860px) {
  .site-nav {
    position: fixed;
    inset: 0 0 0 30%;
    top: 74px;
    background: var(--navy-900);
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-7) var(--space-5);
    transform: translateX(100%);
    transition: transform var(--duration-slow) var(--ease);
    border-left: 1px solid rgba(255, 255, 255, 0.1);
  }
  .site-nav.is-open {
    transform: translateX(0);
  }
  .site-nav__list {
    flex-direction: column;
    gap: var(--space-5);
    width: 100%;
  }
  .site-nav .btn {
    margin-top: var(--space-6);
    width: 100%;
    justify-content: center;
  }
  .nav-toggle {
    display: flex;
  }
}
@media (max-width: 940px) {
  .hero {
    background-image:
      linear-gradient(rgba(7, 29, 56, 0.86), rgba(7, 29, 56, 0.86)),
      url('../assets/images/works/IMG-20261025-WA0118.jpg');
  }
}

/* ---- Cards ---- */
.card {
  background: var(--white);
  border: 1px solid var(--concrete-300);
  padding: var(--space-6);
  transition: border-color var(--duration-base) var(--ease),
              transform var(--duration-base) var(--ease),
              box-shadow var(--duration-base) var(--ease);
}

.card:hover {
  border-color: var(--gold-500);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.card__index {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--gold-600);
  letter-spacing: 0.08em;
  margin-bottom: var(--space-4);
}

.card__title {
  font-size: var(--text-h4);
  margin-bottom: var(--space-3);
}

.card__text {
  font-size: var(--text-small);
  margin-bottom: var(--space-5);
}

/* ---- Footer ---- */
.site-footer {
  background: var(--navy-900);
  color: var(--concrete-100);
  padding-block: var(--space-8) var(--space-6);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: var(--space-8);
  padding-bottom: var(--space-8);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand__text {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.6);
  margin-top: var(--space-4);
  max-width: 32ch;
}

.footer-heading {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold-400);
  margin-bottom: var(--space-4);
}

.footer-list li {
  margin-bottom: var(--space-3);
}

.footer-list a,
.footer-list span {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.75);
}

.footer-list a:hover {
  color: var(--gold-400);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-6);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.45);
  flex-wrap: wrap;
  gap: var(--space-3);
}

@media (max-width: 860px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
}

/* ---- Form elements ---- */
.field {
  margin-bottom: var(--space-5);
}

.field label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--navy-800);
  margin-bottom: var(--space-2);
}

.field input,
.field textarea,
.field select {
  width: 100%;
  padding: 14px 16px;
  background: var(--white);
  border: 1px solid var(--concrete-300);
  border-radius: var(--radius-sm);
  color: var(--ink-900);
  transition: border-color var(--duration-base) var(--ease);
}

.field input:focus,
.field textarea:focus,
.field select:focus {
  border-color: var(--gold-500);
  outline: none;
}

.field textarea {
  resize: vertical;
  min-height: 140px;
}