/* ============ Base ============ */
:root {
  --bg: #050505;
  --bg-alt: #111111;
  --bg-soft: #151515;
  --text: #e6ddc7;
  --muted: #aca08a;
  --accent: #c89a3c;   /* dirty gold */
  --accent-soft: rgba(200, 154, 60, 0.15);
  --border-subtle: #262626;
  --danger: #ff5959;
  --radius-lg: 18px;
  --shadow-soft: 0 18px 40px rgba(0, 0, 0, 0.7);
}

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

html,
body {
  margin: 0;
  padding: 0;
  background: radial-gradient(circle at top, #141414 0, var(--bg) 60%);
  color: var(--text);
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  scroll-behavior: smooth;
}

body {
  line-height: 1.5;
}

/* ============ Layout Helpers ============ */
.container {
  width: min(1120px, 100% - 2.5rem);
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: 2.5rem;
}

.section-header h2 {
  font-family: "Playfair Display", serif;
  font-size: 2rem;
  margin-bottom: 0.4rem;
}

.section-header p {
  color: var(--muted);
  max-width: 34rem;
  margin: 0 auto;
}

/* ============ Buttons ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.7rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 0.95rem;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, transform 0.1s ease, border-color 0.2s ease;
}

.btn-primary {
  background: var(--accent);
  color: #000;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.7);
}

.btn-primary:hover {
  background: #e0b054;
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  border-color: var(--accent);
  color: var(--accent);
}

.btn-ghost:hover {
  background: var(--accent-soft);
}

.btn-outline {
  border-color: var(--accent);
  color: var(--accent);
  background: transparent;
}

.btn-outline:hover {
  background: var(--accent-soft);
}

/* ============ Header / Nav ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: linear-gradient(to bottom, rgba(5, 5, 5, 0.98), rgba(5, 5, 5, 0.85));
  backdrop-filter: blur(12px);
  border-bottom: 1px solid #181818;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 0.75rem;
}

.logo {
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.8rem; /* added gap between icon and text, before was .6 */
}

.logo-icon {
  height: 44px; /* fixed height for logo icon, before was 28 */
  width: auto;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1; /* tighten line height for logo text */
}

.logo-mark {
  font-family: "Playfair Display", serif;
  font-size: 1.35rem;  /* slightly larger font size for logo mark, before was 1.25 */
  letter-spacing: 0.05em;
  color: var(--accent); /* dirty gold */
}

.logo-tagline {
  font-size: 0.7rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.09em;
  margin-top: 0.05rem; /* reduced margin-top for tagline, before was .15 */
}


.main-nav ul {
  list-style: none;
  display: flex;
  gap: 1.5rem;
  margin: 0;
  padding: 0;
}

.main-nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.main-nav a:hover {
  color: var(--accent);
}

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  width: 32px;
  height: 32px;
  background: transparent;
  border: 1px solid #333;
  border-radius: 999px;
  padding: 0;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  height: 2px;
  width: 16px;
  background: var(--accent);
}

/* ============ Hero ============ */
.hero {
  position: relative;
  min-height: 70vh;
  display: flex;
  align-items: center;
  color: var(--text);
  /* tightened spacing: a bit less bottom padding */
  padding-block: 3.5rem 2.2rem;
  background-image: url("assets/img/BW_website-hero.png");
  background-size: cover;
  background-position: center;
  isolation: isolate;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    120deg,
    rgba(0, 0, 0, 0.85),
    rgba(0, 0, 0, 0.92)
  );
  z-index: -1;
}

.hero-content {
  position: relative;
}

.hero-text {
  max-width: 36rem;
}

.hero-text h1 {
  font-family: "Playfair Display", serif;
  font-size: clamp(2.2rem, 4vw, 3rem);
  margin-bottom: 1rem;
}

.hero-text p {
  color: var(--muted);
  margin-bottom: 1.75rem;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

/* ============ Pillars / Capabilities ============ */
.pillars {
  /* move the cards up slightly relative to hero */
  padding-block: 2.4rem 3.5rem;
  margin-top: -2rem;
  background: var(--bg);
}

.pillars-grid {
  display: grid;
  grid-template-columns: 1.1fr 1.1fr;
  gap: 1.5rem;
}

.pillar-card {
  background: var(--bg-alt);
  border-radius: var(--radius-lg);
  padding: 1.8rem 1.6rem;
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-soft);
  transition:
    border-color 0.2s ease,
    box-shadow 0.2s ease,
    transform 0.1s ease,
    background 0.2s ease;
}

/* highlighted state when associated button is selected */
.pillar-card.active {
  border-color: var(--accent);
  background: radial-gradient(circle at top left, rgba(200, 154, 60, 0.14), var(--bg-alt));
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.8);
  transform: translateY(-2px);
}

/* ============ Stats Band ============ */
.stats-band {
  padding-block: 1.8rem;
  background: #0b0b0b;
  border-top: 1px solid #141414;
  border-bottom: 1px solid #141414;
}

.stats-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2.5rem;
}

.stat {
  text-align: center;
}

.stat-number {
  display: block;
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--accent);
}

.stat-label {
  font-size: 0.85rem;
  color: var(--muted);
}

/* ============ Past Performance ============ */
.past-performance {
  padding-block: 3.8rem;
  background: var(--bg);
}

.tabs {
  display: inline-flex;
  border-radius: 999px;
  padding: 0.2rem;
  background: #0d0d0d;
  border: 1px solid #262626;
  margin-bottom: 1.8rem;
}

.tab-button {
  border: none;
  background: transparent;
  color: var(--muted);
  font-size: 0.85rem;
  padding: 0.4rem 1.2rem;
  border-radius: 999px;
  cursor: pointer;
}

.tab-button.active {
  background: var(--accent);
  color: #000;
}

.tab-panels {
  margin-bottom: 2rem;
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}


.project-card h3 {
  font-size: 1.1rem;
  margin-top: 0;
  margin-bottom: 0.4rem;
}

.project-meta {
  font-size: 0.8rem;
  color: var(--muted);
  margin-bottom: 0.6rem;
}

.project-scope {
  font-size: 0.9rem;
  color: var(--text);
  margin-bottom: 0.7rem;
}

.project-outcomes {
  font-size: 0.85rem;
  padding-left: 1.1rem;
  margin: 0;
  color: var(--muted);
}

.capability-cta {
  text-align: center;
}

/* ---- Past Performance Carousel ---- */

.project-carousel {
  display: flex;
  align-items: stretch;
  gap: 0.75rem;
}

.carousel-track {
  flex: 1;
  display: flex;
  gap: 1rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  padding-bottom: 0.4rem;
}

.project-card {
  /* override grid sizing for carousel use */
  flex: 0 0 90%;
  max-width: 520px;
  margin-inline: auto;
  scroll-snap-align: center;
}

/* Hide heavy scrollbars while preserving accessibility */
.carousel-track::-webkit-scrollbar {
  height: 6px;
}
.carousel-track::-webkit-scrollbar-track {
  background: #0b0b0b;
}
.carousel-track::-webkit-scrollbar-thumb {
  background: #303030;
  border-radius: 999px;
}

.carousel-arrow {
  background: rgba(0, 0, 0, 0.6);
  border-radius: 999px;
  border: 1px solid #303030;
  color: var(--accent);
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.1rem;
  padding: 0;
  flex-shrink: 0;
  transition: background 0.15s ease, border-color 0.15s ease, transform 0.1s ease;
}

.carousel-arrow:hover {
  background: #111111;
  border-color: var(--accent);
  transform: translateY(-1px);
}

@media (max-width: 700px) {
  .project-carousel {
    gap: 0.4rem;
  }

  .project-card {
    flex: 0 0 95%;
  }
}

/* ============ Why Together ============ */
.why-together {
  padding-block: 3.5rem;
  background: var(--bg-soft);
}

.why-grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: 1.2fr 1fr;
  align-items: center;
}

.why-text h2 {
  font-family: "Playfair Display", serif;
  font-size: 1.8rem;
  margin-top: 0;
  margin-bottom: 0.8rem;
}

.why-text p {
  color: var(--muted);
}

.why-columns {
  display: grid;
  gap: 1rem;
  margin-top: 1.4rem;
  margin-bottom: 1.4rem;
}

.why-columns h3 {
  font-size: 1rem;
  margin-bottom: 0.3rem;
}

.why-columns p {
  font-size: 0.9rem;
}

.pill-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.pill-chips span {
  border-radius: 999px;
  border: 1px solid #333;
  padding: 0.25rem 0.7rem;
  font-size: 0.8rem;
  color: var(--muted);
  background: rgba(0, 0, 0, 0.4);
}

.why-image img {
  width: 100%;
  max-width: 420px;
  display: block;
  margin-inline: auto;
  border-radius: var(--radius-lg);
  border: 1px solid #262626;
  box-shadow: var(--shadow-soft);
}

/* ============ Services ============ */
.services {
  padding-block: 3.5rem;
}

.services-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.service-column h3 {
  font-family: "Playfair Display", serif;
  margin-top: 0;
  margin-bottom: 0.7rem;
}

.service-column ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.service-column li {
  margin-bottom: 1rem;
  font-size: 0.92rem;
  color: var(--muted);
}

.service-column strong {
  color: var(--text);
}

/* ============ About ============ */
.about {
  padding-block: 3.5rem;
  background: var(--bg-alt);
}

.about-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 2rem;
}

.about h2 {
  font-family: "Playfair Display", serif;
  margin-top: 0;
}

.about p {
  color: var(--muted);
}

.about-highlights h3 {
  margin-top: 0;
  margin-bottom: 0.6rem;
}

.about-highlights ul {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--muted);
}

/* ============ Contact ============ */
.contact {
  padding-block: 3.5rem;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1.1fr 1.1fr;
  gap: 2rem;
  align-items: flex-start;
}

.contact-form {
  background: var(--bg-alt);
  border-radius: var(--radius-lg);
  padding: 1.8rem 1.6rem;
  border: 1px solid #262626;
}

.form-row {
  margin-bottom: 1rem;
}

.form-row label {
  display: block;
  font-size: 0.85rem;
  margin-bottom: 0.25rem;
  color: var(--muted);
}

.form-row input,
.form-row select,
.form-row textarea {
  width: 100%;
  border-radius: 8px;
  border: 1px solid #303030;
  background: #050505;
  color: var(--text);
  padding: 0.5rem 0.6rem;
  font: inherit;
}

.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  outline: 1px solid var(--accent);
  border-color: var(--accent);
}

/* ============ Footer ============ */
.site-footer {
  border-top: 1px solid #181818;
  padding-block: 1rem;
  background: #050505;
  font-size: 0.8rem;
  color: var(--muted);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

/* ============ Responsive ============ */
@media (max-width: 900px) {
  .main-nav {
    position: absolute;
    top: 56px;
    right: 1rem;
    background: #050505;
    border-radius: 16px;
    border: 1px solid #202020;
    padding: 0.7rem 1rem;
    box-shadow: var(--shadow-soft);
    display: none;
  }

  .main-nav.open {
    display: block;
  }

  .main-nav ul {
    flex-direction: column;
    gap: 0.75rem;
  }

  .nav-toggle {
    display: flex;
  }

  .pillars-grid,
  .cards-grid,
  .why-grid,
  .services-grid,
  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-block: 4rem 3rem;
    min-height: 60vh;
  }

  .site-footer .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 600px) {
  .container {
    width: min(100% - 1.8rem, 100%);
  }

  .hero-text h1 {
    font-size: 1.9rem;
  }

  .hero-text p {
    font-size: 0.95rem;
  }

  .tabs {
    width: 100%;
    justify-content: space-between;
  }

  .tab-b