/* ============================================================
   Purpose Infra — White Corporate Theme
   Accent: Forest Green #2d6a4f  |  Heading font: Space Grotesk
   Deliberately distinct from Riyasa (gold serif, cream bg)
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Inter:wght@300;400;500;600&display=swap');

/* ── Design Tokens ─────────────────────────────────────────── */
:root {
  --color-bg:           #ffffff;
  --color-bg-alt:       #f8f9fb;
  --color-surface:      #f1f3f6;
  --color-surface-alt:  #e8ecf2;
  --color-border:       #e2e6ed;
  --color-border-dark:  #c8cfd9;

  --color-text:         #0f172a;
  --color-text-muted:   #5a6a82;
  --color-text-dim:     #94a3b8;

  /* Deep Forest Green — mature, earthy, subtle */
  --color-accent:       #2d6a4f;
  --color-accent-dark:  #1f4d38;
  --color-accent-light: #3d8a67;
  --color-accent-dim:   rgba(45, 106, 79, 0.07);
  --color-accent-glow:  rgba(45, 106, 79, 0.15);

  /* Charcoal for bold elements */
  --color-charcoal:     #0f172a;
  --color-charcoal-mid: #1e293b;

  --font-heading: 'Space Grotesk', 'DM Sans', sans-serif;
  --font-body:    'Inter', 'DM Sans', sans-serif;

  --section-padding: 7rem;
  --container-max:   1240px;
  --container-pad:   2rem;

  --radius-sm: 4px;
  --radius-md: 10px;
  --radius-lg: 18px;
  --radius-pill: 100px;

  --shadow-sm:  0 1px 4px rgba(15,23,42,0.06), 0 2px 8px rgba(15,23,42,0.04);
  --shadow-md:  0 4px 16px rgba(15,23,42,0.08), 0 8px 24px rgba(15,23,42,0.05);
  --shadow-lg:  0 12px 40px rgba(15,23,42,0.1), 0 20px 60px rgba(15,23,42,0.06);
  --shadow-accent: 0 6px 24px rgba(45,106,79,0.2);

  --transition-fast: 0.18s cubic-bezier(0.4,0,0.2,1);
  --transition-mid:  0.28s cubic-bezier(0.4,0,0.2,1);
  --transition-slow: 0.45s cubic-bezier(0.4,0,0.2,1);
}

/* ── Reset ─────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; height: auto; }
a   { color: inherit; text-decoration: none; }
ul  { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }

/* ── Scrollbar ─────────────────────────────────────────────── */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--color-bg); }
::-webkit-scrollbar-thumb { background: var(--color-accent); border-radius: 3px; }

/* ── Container ─────────────────────────────────────────────── */
.container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

::selection { background: var(--color-accent); color: #fff; }

/* ══════════════════════════════════════════
   TYPOGRAPHY
══════════════════════════════════════════ */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.025em;
  color: var(--color-charcoal);
}
h1 { font-size: clamp(2.4rem, 5.5vw, 4.2rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.75rem); }
h3 { font-size: clamp(1.1rem, 2vw, 1.5rem); }

p { color: var(--color-text-muted); }
.lead { font-size: 1.08rem; line-height: 1.82; color: var(--color-text-muted); }

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

/* Overline label — orange + line on right instead of Riyasa's left-line gold */
.label {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-heading);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-accent);
}
.label::after {
  content: '';
  display: inline-block;
  width: 1.5rem;
  height: 2px;
  background: var(--color-accent);
  border-radius: 1px;
}

/* ══════════════════════════════════════════
   BUTTONS  — bolder, sharper than Riyasa
══════════════════════════════════════════ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.9rem 2rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition-mid);
  white-space: nowrap;
  border: 2px solid transparent;
}

.btn-primary {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}
.btn-primary:hover {
  background: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-accent);
}

.btn-secondary {
  background: transparent;
  color: var(--color-charcoal);
  border-color: var(--color-charcoal);
}
.btn-secondary:hover {
  background: var(--color-charcoal);
  color: #fff;
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--color-accent);
  border-color: var(--color-accent);
}
.btn-outline:hover {
  background: var(--color-accent);
  color: #fff;
  transform: translateY(-2px);
}

/* ══════════════════════════════════════════
   HEADER  — white, sharp border-bottom
══════════════════════════════════════════ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  transition: all var(--transition-mid);
}
.site-header.scrolled {
  background: #fff;
  box-shadow: var(--shadow-md);
  border-bottom-color: var(--color-border-dark);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  transition: height var(--transition-mid);
}
.site-header.scrolled .header-inner { height: 62px; }

/* Logo */
.site-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  flex-shrink: 0;
}
.site-logo img {
  height: 40px;
  width: auto;
  object-fit: contain;
  transition: height var(--transition-mid);
}
.site-header.scrolled .site-logo img { height: 32px; }
.site-logo-name {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-charcoal);
  letter-spacing: -0.02em;
}
.site-logo-name span { color: var(--color-accent); }

/* Nav links */
.main-nav ul { display: flex; align-items: center; gap: 0; }
.main-nav a {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  padding: 0.5rem 1.1rem;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
  position: relative;
}
.main-nav a::after {
  content: '';
  position: absolute;
  bottom: 0; left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 80%; height: 2px;
  background: var(--color-accent);
  border-radius: 1px;
  transition: transform var(--transition-fast);
}
.main-nav li.active a,
.main-nav a:hover { color: var(--color-accent); }
.main-nav li.active a::after,
.main-nav a:hover::after { transform: translateX(-50%) scaleX(1); }

/* Nav CTA */
.nav-cta .btn { padding: 0.55rem 1.3rem; font-size: 0.72rem; }

/* Dropdown */
.nav-dropdown { position: relative; }
.dropdown-menu {
  position: absolute;
  top: calc(100% + 0.5rem);
  left: 50%;
  transform: translateX(-50%) translateY(-6px);
  background: #fff;
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--color-accent);
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  min-width: 210px;
  padding: 0.5rem;
  opacity: 0; visibility: hidden;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-lg);
}
.nav-dropdown:hover .dropdown-menu,
.nav-dropdown.is-open .dropdown-menu {
  opacity: 1; visibility: visible;
  transform: translateX(-50%) translateY(0);
}
.dropdown-menu li a {
  display: block;
  padding: 0.65rem 0.9rem;
  font-size: 0.8rem;
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
}
.dropdown-menu li a::after { display: none; }
.dropdown-menu li a:hover {
  background: var(--color-accent-dim);
  color: var(--color-accent);
}

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--color-border-dark);
}
.nav-toggle span {
  display: block;
  width: 22px; height: 2px;
  background: var(--color-charcoal);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

.main-content { padding-top: 76px; }

/* ══════════════════════════════════════════
   SECTION BASE
══════════════════════════════════════════ */
.section { padding-block: var(--section-padding); }

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}
.section-header .label { justify-content: center; margin-bottom: 1rem; }
.section-header h2 { margin-bottom: 1.25rem; }
.section-intro {
  max-width: 580px;
  margin-inline: auto;
  font-size: 1.05rem;
  line-height: 1.8;
}

.section-divider {
  width: 48px; height: 3px;
  background: var(--color-accent);
  border-radius: 2px;
  margin: 1.5rem auto 0;
}

/* ══════════════════════════════════════════
   HERO
══════════════════════════════════════════ */
.hero {
  position: relative;
  height: 100svh;
  min-height: 600px;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg { position: absolute; inset: 0; z-index: 0; }
.hero-carousel-track { position: absolute; inset: 0; }
.hero-carousel-slide {
  position: absolute; inset: 0;
  opacity: 0;
  transition: opacity 1s ease;
}
.hero-carousel-slide--active { opacity: 1; }
.hero-carousel-slide img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center;
}

/* Strong dark overlay — text is always white on hero */
.hero-overlay {
  position: absolute; inset: 0; z-index: 1;
  background:
    linear-gradient(to right,
      rgba(15,23,42,0.78) 0%,
      rgba(15,23,42,0.55) 55%,
      rgba(15,23,42,0.25) 100%),
    linear-gradient(to top,
      rgba(15,23,42,0.85) 0%,
      transparent 55%);
}

/* Grid texture overlay */
.hero-grid {
  position: absolute; inset: 0; z-index: 2;
  background-image:
    linear-gradient(rgba(45,106,79,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(45,106,79,0.04) 1px, transparent 1px);
  background-size: 64px 64px;
  pointer-events: none;
}

/* Teal vertical rule — unique to Purpose Infra hero */
.hero-content {
  position: relative;
  z-index: 10;
  padding-left: 2rem;
  border-left: 4px solid var(--color-accent);
}
.hero-eyebrow {
  font-family: var(--font-heading);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-accent-light);
  margin-bottom: 1.25rem;
  display: block;
}
.hero-content h1 {
  font-size: clamp(2.8rem, 7vw, 5.2rem);
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin-bottom: 1.25rem;
  color: #fff;
  font-weight: 700;
}
.hero-content h1 .accent {
  color: var(--color-accent);
  display: block;
}
.hero-tagline {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.7);
  max-width: 480px;
  line-height: 1.8;
  margin-bottom: 2.25rem;
}
.hero-cta { display: flex; gap: 1rem; flex-wrap: wrap; }

/* Stats bar — white bar at bottom of hero */
.hero-stats {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  z-index: 10;
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(10px);
  border-top: 3px solid var(--color-accent);
}
.hero-stats-inner { display: flex; align-items: stretch; }
.hero-stat {
  flex: 1;
  padding: 1.4rem 2rem;
  border-right: 1px solid var(--color-border);
  text-align: center;
}
.hero-stat:last-child { border-right: none; }
.hero-stat-value {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 0.25rem;
}
.hero-stat-label {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

/* Carousel arrows */
.hero-carousel-arrow {
  position: absolute;
  z-index: 10; top: 50%;
  transform: translateY(-50%);
  width: 46px; height: 46px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.15);
  border: 1.5px solid rgba(255,255,255,0.3);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  transition: all var(--transition-fast);
  backdrop-filter: blur(6px);
}
.hero-carousel-arrow:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
  transform: translateY(-50%) scale(1.05);
}
.hero-carousel-arrow--prev { left: 2rem; }
.hero-carousel-arrow--next { right: 2rem; }

.hero-carousel-dots {
  position: absolute;
  bottom: 6.5rem; right: 2rem;
  z-index: 10;
  display: flex; flex-direction: column; gap: 0.4rem;
}
.hero-carousel-dot {
  width: 4px; height: 28px;
  border-radius: 2px;
  background: rgba(255,255,255,0.35);
  border: none; cursor: pointer;
  transition: all var(--transition-fast);
}
.hero-carousel-dot--active {
  background: var(--color-accent);
  height: 44px;
}

/* ══════════════════════════════════════════
   PAGE HERO (inner pages)
══════════════════════════════════════════ */
.page-hero {
  padding: 5.5rem 0 3.5rem;
  background: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border);
  position: relative;
  overflow: hidden;
}
/* Teal top accent strip */
.page-hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--color-accent);
}
.page-hero .label { margin-bottom: 1rem; }
.page-hero h1 { margin-bottom: 0.75rem; }
.page-hero p   { font-size: 1.05rem; max-width: 560px; }

/* Breadcrumb */
.breadcrumb {
  display: flex; align-items: center; gap: 0.5rem;
  font-size: 0.72rem; font-weight: 600;
  letter-spacing: 0.08em; text-transform: uppercase;
  margin-bottom: 1.5rem;
  color: var(--color-text-dim);
}
.breadcrumb a { color: var(--color-text-muted); transition: color var(--transition-fast); }
.breadcrumb a:hover { color: var(--color-accent); }
.breadcrumb .sep { opacity: 0.35; }
.breadcrumb .current { color: var(--color-accent); }

/* ══════════════════════════════════════════
   ABOUT SECTION
══════════════════════════════════════════ */
.section-about { background: var(--color-bg); }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 5rem;
  align-items: center;
}
.about-image-wrap {
  position: relative;
}
.about-image-wrap img {
  width: 100%; height: 460px;
  object-fit: contain;
  border-radius: var(--radius-md);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
}
/* Teal corner accent — sharp, geometric, unlike Riyasa's soft corners */
.about-image-wrap::after {
  content: '';
  position: absolute;
  bottom: -1rem; right: -1rem;
  width: 80%; height: 80%;
  border-right: 3px solid var(--color-accent);
  border-bottom: 3px solid var(--color-accent);
  border-radius: 0 0 var(--radius-md) 0;
  pointer-events: none;
  z-index: -1;
}
.about-text .label { margin-bottom: 1rem; }
.about-text h2 { margin-bottom: 1.25rem; }
.about-text p  { margin-bottom: 1.1rem; }
.about-text .btn { margin-top: 1.25rem; }

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-top: 2.25rem;
  padding-top: 2.25rem;
  border-top: 1px solid var(--color-border);
}
.about-stat-value {
  font-family: var(--font-heading);
  font-size: 2rem; font-weight: 700;
  color: var(--color-accent);
  line-height: 1; margin-bottom: 0.3rem;
}
.about-stat-label {
  font-size: 0.7rem; font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--color-text-dim);
}

/* ══════════════════════════════════════════
   PROJECT CARDS
══════════════════════════════════════════ */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 1.5rem;
}

.project-card {
  display: block;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition-mid);
  box-shadow: var(--shadow-sm);
}
.project-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-5px);
  box-shadow: var(--shadow-md), 0 0 0 1px var(--color-accent);
}

.project-card-image {
  aspect-ratio: 16/10;
  overflow: hidden;
  position: relative;
  background: var(--color-surface);
}
.project-card-image img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}
.project-card:hover .project-card-image img { transform: scale(1.04); }

.project-card-badge {
  position: absolute; top: 0.9rem; left: 0.9rem;
  font-family: var(--font-heading);
  font-size: 0.62rem; font-weight: 700;
  letter-spacing: 0.12em; text-transform: uppercase;
  padding: 0.28rem 0.7rem;
  border-radius: var(--radius-sm);
}
.badge-future {
  background: var(--color-accent);
  color: #fff;
}
.badge-completed {
  background: var(--color-charcoal);
  color: #fff;
}

.project-card-body { padding: 1.5rem; }
.project-card-type {
  font-size: 0.65rem; font-weight: 700;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--color-accent); display: block; margin-bottom: 0.5rem;
}
.project-card-body h3 {
  font-size: 1.2rem; margin-bottom: 0.4rem;
  color: var(--color-charcoal);
}
.project-card-location {
  display: flex; align-items: center; gap: 0.35rem;
  font-size: 0.82rem; color: var(--color-text-muted);
  margin-bottom: 1rem;
}
.project-card-location svg { color: var(--color-accent); flex-shrink: 0; }
.project-card-arrow {
  display: inline-flex; align-items: center; gap: 0.35rem;
  font-size: 0.72rem; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--color-accent);
  transition: gap var(--transition-fast);
}
.project-card:hover .project-card-arrow { gap: 0.6rem; }

/* Filter tabs */
.projects-filter {
  display: flex; gap: 0.5rem;
  justify-content: center;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}
.filter-btn {
  font-family: var(--font-heading);
  font-size: 0.73rem; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase;
  padding: 0.6rem 1.5rem;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--color-border-dark);
  color: var(--color-text-muted);
  background: transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  display: inline-block;
}
.filter-btn:hover,
.filter-btn.active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
}

/* ══════════════════════════════════════════
   PROJECT DETAIL
══════════════════════════════════════════ */
.project-hero {
  position: relative;
  height: 62vh; min-height: 460px;
  overflow: hidden;
}
.project-hero-image { position: absolute; inset: 0; }
.project-hero-image img {
  width: 100%; height: 100%; object-fit: cover;
}
.project-hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top,
    rgba(15,23,42,0.95) 0%,
    rgba(15,23,42,0.55) 55%,
    rgba(15,23,42,0.2) 100%);
}
.project-hero-content {
  position: absolute; bottom: 2.5rem; left: 0; right: 0;
}
.project-hero-type {
  font-family: var(--font-heading);
  font-size: 0.68rem; font-weight: 700;
  letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--color-accent);
  display: block; margin-bottom: 0.7rem;
}
.project-hero-content h1 { color: #fff; margin-bottom: 0.7rem; }
.project-hero-location {
  display: flex; align-items: center; gap: 0.45rem;
  color: rgba(255,255,255,0.65); font-size: 0.9rem;
}

/* Project About */
.section-project-about { background: #fff; }
.project-about-grid {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 4rem;
  align-items: start;
}
.project-about-text .lead { margin-bottom: 1.5rem; }

.project-meta-group {
  display: flex; flex-direction: column; gap: 1rem;
  position: sticky; top: 90px;
}
.project-meta-card {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-accent);
  border-radius: var(--radius-sm);
  padding: 1.1rem 1.25rem;
}
.project-meta-label {
  font-size: 0.65rem; font-weight: 700;
  letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--color-text-dim); display: block; margin-bottom: 0.35rem;
}
.project-meta-value {
  font-family: var(--font-heading);
  font-size: 0.95rem; font-weight: 600;
  color: var(--color-charcoal);
}

/* Amenities */
.section-project-amenities { background: var(--color-bg-alt); }
.amenities-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 0.9rem;
  padding: 0;
}
.amenity-item {
  display: flex; align-items: center; gap: 0.75rem;
  padding: 0.9rem 1.1rem;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.88rem; font-weight: 500;
  color: var(--color-text);
  transition: all var(--transition-fast);
}
.amenity-item::before {
  content: '';
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--color-accent);
  flex-shrink: 0;
}
.amenity-item:hover {
  border-color: var(--color-accent);
  background: var(--color-accent-dim);
}

/* Gallery */
.section-project-gallery { background: var(--color-bg); }
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 0.9rem;
}
.gallery-item {
  aspect-ratio: 4/3;
  overflow: hidden;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  cursor: pointer;
  position: relative;
}
.gallery-item img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}
.gallery-item:hover img { transform: scale(1.05); }
.gallery-item::after {
  content: '';
  position: absolute; inset: 0;
  background: rgba(249,115,22,0.12);
  opacity: 0;
  transition: opacity var(--transition-fast);
}
.gallery-item:hover::after { opacity: 1; }
.gallery-item:first-child { grid-column: span 2; aspect-ratio: 16/9; }

/* Lightbox */
.lightbox {
  position: fixed; inset: 0; z-index: 9999;
  background: rgba(15,23,42,0.97);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; visibility: hidden;
  transition: all var(--transition-mid);
}
.lightbox.is-open { opacity: 1; visibility: visible; }
.lightbox img {
  max-width: 90vw; max-height: 88vh;
  object-fit: contain;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
}
.lightbox-close {
  position: absolute; top: 1.5rem; right: 1.5rem;
  width: 44px; height: 44px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  color: #fff; font-size: 1.2rem;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; transition: all var(--transition-fast);
}
.lightbox-close:hover { background: var(--color-accent); border-color: var(--color-accent); }
.lightbox-nav {
  position: absolute; top: 50%; transform: translateY(-50%);
  width: 46px; height: 46px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; transition: all var(--transition-fast);
}
.lightbox-nav:hover { background: var(--color-accent); border-color: var(--color-accent); }
.lightbox-prev { left: 1.5rem; }
.lightbox-next { right: 1.5rem; }

/* ══════════════════════════════════════════
   ABOUT PAGE
══════════════════════════════════════════ */
.about-page-bio { background: var(--color-bg); }

.about-pillars { background: var(--color-bg-alt); }
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
}
.pillar-card {
  padding: 2.25rem;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: all var(--transition-mid);
  position: relative; overflow: hidden;
}
/* Top orange stripe on hover */
.pillar-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--color-accent);
  transform: scaleX(0); transform-origin: left;
  transition: transform var(--transition-mid);
}
.pillar-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}
.pillar-card:hover::before { transform: scaleX(1); }
.pillar-icon { font-size: 2.2rem; margin-bottom: 1.1rem; }
.pillar-card h3 { margin-bottom: 0.65rem; font-size: 1.05rem; }
.pillar-card p  { font-size: 0.88rem; }

/* ══════════════════════════════════════════
   CONTACT PAGE
══════════════════════════════════════════ */
.section-contact { background: var(--color-bg-alt); }
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  gap: 5rem;
  align-items: start;
}
.contact-info-block { margin-bottom: 2.25rem; }
.contact-info-label {
  font-size: 0.67rem; font-weight: 700;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--color-accent);
  display: block; margin-bottom: 0.5rem;
}
.contact-info-value {
  font-family: var(--font-heading);
  font-size: 0.97rem;
  color: var(--color-text);
  line-height: 1.7;
}
.contact-info-value a {
  color: var(--color-accent);
  transition: color var(--transition-fast);
}
.contact-info-value a:hover { color: var(--color-accent-dark); }

/* Form box */
.contact-form-box {
  background: #fff;
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--color-accent);
  border-radius: var(--radius-md);
  padding: 2.75rem;
  box-shadow: var(--shadow-lg);
}
.form-title {
  font-family: var(--font-heading);
  font-size: 1.3rem; font-weight: 700;
  margin-bottom: 1.75rem;
  color: var(--color-charcoal);
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.1rem;
}
.form-group { margin-bottom: 1.1rem; }
.form-group label {
  display: block;
  font-size: 0.7rem; font-weight: 700;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 0.45rem;
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  background: var(--color-bg-alt);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.8rem 1rem;
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
  -webkit-appearance: none; appearance: none;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--color-text-dim); }
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-glow);
  background: #fff;
}
.form-group textarea { resize: vertical; min-height: 130px; }
.form-submit { width: 100%; margin-top: 0.5rem; justify-content: center; }

/* ══════════════════════════════════════════
   CTA SECTION
══════════════════════════════════════════ */
.section-cta {
  background: var(--color-charcoal);
  text-align: center;
}
.section-cta .section-header .label { color: var(--color-accent-light); }
.section-cta .section-header .label::after { background: var(--color-accent-light); }
.section-cta h2 { color: #fff; }
.section-cta .section-intro { color: rgba(255,255,255,0.6); }
.section-cta .section-header { margin-bottom: 2.5rem; }
.cta-buttons { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* ══════════════════════════════════════════
   FOOTER — dark charcoal (sharp contrast to white body)
══════════════════════════════════════════ */
.site-footer {
  background: var(--color-charcoal);
  padding-block: 4rem 2.5rem;
}
.footer-accent-bar {
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-light), transparent);
  margin-bottom: 4rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-brand img {
  height: 44px; object-fit: contain;
  margin-bottom: 1rem;
  filter: brightness(1.15);
}
.footer-brand-name {
  font-family: var(--font-heading);
  font-size: 1.1rem; font-weight: 700;
  color: #fff; margin-bottom: 0.65rem;
}
.footer-brand p {
  font-size: 0.86rem; color: rgba(255,255,255,0.45);
  max-width: 280px; line-height: 1.7;
}
.footer-col-title {
  font-family: var(--font-heading);
  font-size: 0.68rem; font-weight: 700;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: rgba(255,255,255,0.3);
  margin-bottom: 1.25rem;
}
.footer-links li { margin-bottom: 0.55rem; }
.footer-links a {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.55);
  transition: color var(--transition-fast);
}
.footer-links a:hover { color: var(--color-accent); }
.footer-address {
  font-style: normal;
  font-size: 0.86rem;
  color: rgba(255,255,255,0.5);
  line-height: 1.8;
}
.footer-address a { color: var(--color-accent-light); transition: color var(--transition-fast); }
.footer-address a:hover { color: var(--color-accent); }
.footer-bottom {
  display: flex; justify-content: space-between;
  align-items: center; flex-wrap: wrap; gap: 1rem;
}
.footer-copy { font-size: 0.78rem; color: rgba(255,255,255,0.25); }
.footer-bottom-links { display: flex; gap: 1.5rem; }
.footer-bottom-links a {
  font-size: 0.75rem; color: rgba(255,255,255,0.25);
  transition: color var(--transition-fast);
}
.footer-bottom-links a:hover { color: var(--color-accent); }

/* ══════════════════════════════════════════
   ANIMATIONS
══════════════════════════════════════════ */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
.animate-up { animation: fadeUp 0.55s ease both; }
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }

/* ══════════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════════ */
@media (max-width: 1024px) {
  :root { --section-padding: 5rem; }
  .about-grid { gap: 3rem; }
  .contact-layout { gap: 3rem; }
  .project-about-grid { grid-template-columns: 1fr; }
  .project-meta-group { position: static; flex-direction: row; flex-wrap: wrap; }
  .project-meta-card { flex: 1; min-width: 150px; }
  .gallery-item:first-child { grid-column: span 1; aspect-ratio: 4/3; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  :root { --section-padding: 3.5rem; --container-pad: 1.25rem; }

  .main-nav {
    position: fixed;
    top: 76px; left: 0; right: 0; bottom: 0;
    background: rgba(255,255,255,0.98);
    backdrop-filter: blur(16px);
    transform: translateX(100%);
    transition: transform var(--transition-mid);
    overflow-y: auto;
    padding: 2rem 1.5rem;
  }
  .main-nav.is-open { transform: translateX(0); }
  .main-nav ul { flex-direction: column; gap: 0; }
  .main-nav a {
    padding: 0.95rem 0;
    font-size: 0.95rem;
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--color-border);
    color: var(--color-charcoal);
  }
  .main-nav a::after { display: none; }
  .dropdown-menu {
    position: static; transform: none;
    opacity: 1; visibility: visible;
    border: none; box-shadow: none;
    padding: 0 1rem; display: none;
    background: transparent;
  }
  .nav-dropdown.is-open .dropdown-menu { display: block; }
  .nav-toggle { display: flex; }
  .nav-cta { display: none; }

  .hero-content { border-left: none; padding-left: 0; }
  .hero-stats-inner { flex-wrap: wrap; }
  .hero-stat { flex: 1 0 45%; border-bottom: 1px solid var(--color-border); border-right: none; }
  .hero-carousel-arrow { display: none; }
  .hero-carousel-dots { flex-direction: row; bottom: 7rem; right: auto; left: 50%; transform: translateX(-50%); }
  .hero-carousel-dot { width: 28px; height: 4px; border-radius: 2px; }
  .hero-carousel-dot--active { width: 44px; height: 4px; }

  .about-grid { grid-template-columns: 1fr; }
  .about-image-wrap::after { display: none; }
  .about-image-wrap img { height: 280px; }
  .about-stats { grid-template-columns: repeat(2, 1fr); }
  .projects-grid { grid-template-columns: 1fr; }
  .contact-layout { grid-template-columns: 1fr; }
  .contact-form-box { padding: 2rem 1.5rem; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .hero-cta { flex-direction: column; }
  .gallery-item:first-child { grid-column: span 1; }
}

@media (max-width: 480px) {
  h1 { font-size: 2.2rem; }
  .hero-content h1 { font-size: 2.5rem; }
  .hero-stat { flex: 1 0 100%; border-right: none; }
  .cta-buttons { flex-direction: column; align-items: center; }
}