/* ===== Design tokens ===== */
:root {
  --ink-950: #050806;
  --ink-900: #0a0f0c;
  --ink-850: #0f1512;
  --ink-800: #141c17;
  --ink-700: #1e2b23;
  --green-600: #16a34a;
  --green-500: #22c55e;
  --green-400: #4ade80;
  --green-300: #86efac;
  --green-glow: rgba(34, 197, 94, 0.45);
  --gray-100: #f3f6f4;
  --gray-300: #d3dbd6;
  --gray-500: #7c8a82;
  --gray-700: #38423c;
  --white: #ffffff;
  --radius: 10px;
  --shadow: 0 10px 34px rgba(0, 0, 0, 0.35);
  --container: 1140px;
  --font-heading: "Poppins", "Segoe UI", Arial, sans-serif;
  --font-body: "Inter", "Segoe UI", Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--gray-700);
  background: var(--white);
  line-height: 1.6;
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  color: var(--ink-900);
  line-height: 1.2;
  margin: 0 0 0.6em;
}

p { margin: 0 0 1em; }

a { color: inherit; text-decoration: none; }

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

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 80px 0;
}

.section-alt {
  background: var(--gray-100);
}

.section-dark {
  background: var(--ink-950);
}

.section-dark .section-head h2 { color: var(--white); }
.section-dark .section-head p { color: var(--gray-300); }

.card.card-dark {
  background: var(--ink-900);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-top: 3px solid transparent;
}

.card.card-dark:hover {
  border-color: rgba(255, 255, 255, 0.08);
  border-top-color: var(--green-500);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.card-dark h3 { color: var(--white); }
.card-dark p { color: var(--gray-300); }

.card.card-dark .icon {
  background: linear-gradient(135deg, rgba(34, 197, 94, 0.18), rgba(34, 197, 94, 0.06));
  border: 1px solid rgba(34, 197, 94, 0.3);
  color: var(--green-400);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--green-600);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-size: 0.8rem;
  margin-bottom: 14px;
}

.eyebrow::before {
  content: "";
  width: 22px;
  height: 2px;
  background: var(--green-500);
  display: inline-block;
}

.section-head {
  max-width: 640px;
  margin: 0 auto 48px;
  text-align: center;
}

.section-head .eyebrow { justify-content: center; }
.section-head .eyebrow::before { display: none; }

.section-head h2 { font-size: clamp(1.8rem, 3vw, 2.4rem); }

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 15px 28px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.95rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.btn-primary {
  background: linear-gradient(135deg, var(--green-500), var(--green-600));
  color: var(--ink-950);
  box-shadow: 0 0 0 0 var(--green-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px var(--green-glow);
}

.btn-outline {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.35);
  color: var(--white);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--green-400);
  transform: translateY(-2px);
}

.btn-outline-dark {
  background: transparent;
  border-color: var(--ink-700);
  color: var(--ink-800);
}

.btn-outline-dark:hover {
  background: var(--ink-900);
  color: var(--white);
  border-color: var(--ink-900);
}

.btn-block { width: 100%; justify-content: center; }

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--ink-950);
  border-bottom: 1px solid rgba(34, 197, 94, 0.15);
}

.top-bar {
  background: var(--ink-900);
  color: var(--gray-300);
  font-size: 0.82rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.top-bar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 9px;
  padding-bottom: 9px;
  flex-wrap: wrap;
  gap: 6px;
}

.top-bar a { color: var(--green-400); font-weight: 700; }

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
}

.logo {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.4rem;
  color: var(--white);
  letter-spacing: 0.02em;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.logo span {
  color: var(--ink-950);
  background: linear-gradient(135deg, var(--green-400), var(--green-600));
  padding: 2px 8px;
  border-radius: 6px;
}

.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--gray-300);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 8px 2px;
  border-bottom: 2px solid transparent;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--white);
  border-color: var(--green-500);
  text-shadow: 0 0 12px var(--green-glow);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 20px;
}

.nav-phone {
  color: var(--white);
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}

.nav-toggle span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--white);
  margin: 6px 0;
  transition: 0.2s;
}

/* ===== Hero ===== */
.hero {
  background:
    radial-gradient(circle at 85% 15%, rgba(34, 197, 94, 0.16), transparent 45%),
    linear-gradient(135deg, var(--ink-950) 0%, var(--ink-850) 100%);
  color: var(--white);
  padding: 60px 0;
  position: relative;
  overflow: hidden;
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(34, 197, 94, 0.09) 1px, transparent 1px),
    linear-gradient(90deg, rgba(34, 197, 94, 0.09) 1px, transparent 1px);
  background-size: 44px 44px;
  -webkit-mask-image: radial-gradient(circle at 75% 30%, black, transparent 60%);
  mask-image: radial-gradient(circle at 75% 30%, black, transparent 60%);
  -webkit-mask-size: 160% 160%;
  mask-size: 160% 160%;
  pointer-events: none;
  animation: hero-grid-pan 26s linear infinite, hero-spotlight-drift 16s ease-in-out infinite alternate;
}

@keyframes hero-grid-pan {
  from { background-position: 0 0; }
  to { background-position: 44px 44px; }
}

@keyframes hero-spotlight-drift {
  0% { -webkit-mask-position: 70% 10%; mask-position: 70% 10%; }
  100% { -webkit-mask-position: 30% 55%; mask-position: 30% 55%; }
}

@media (prefers-reduced-motion: reduce) {
  .hero::after {
    animation: none;
  }
}

.hero .container {
  position: relative;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}

.hero h1 {
  color: var(--white);
  font-size: clamp(2.6rem, 5vw, 4.2rem);
  font-weight: 800;
  margin-bottom: 20px;
}

.hero h1 em {
  font-style: normal;
  color: var(--green-400);
  text-shadow: 0 0 24px var(--green-glow);
}

.hero p.lead {
  color: var(--gray-300);
  font-size: 1.1rem;
  max-width: 540px;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 28px 0 32px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(34, 197, 94, 0.1);
  border: 1px solid rgba(34, 197, 94, 0.35);
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--green-300);
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.hero-card {
  background: var(--ink-900);
  border: 1px solid rgba(34, 197, 94, 0.25);
  border-radius: var(--radius);
  padding: 30px;
  box-shadow: var(--shadow), 0 0 60px -20px var(--green-glow);
  color: var(--gray-300);
}

.hero-card h3 {
  font-size: 1.1rem;
  margin-bottom: 16px;
  color: var(--white);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 8px;
}

.hero-stat {
  text-align: center;
  padding: 16px 8px;
  background: var(--ink-850);
  border: 1px solid rgba(34, 197, 94, 0.18);
  border-radius: 8px;
}

.hero-stat strong {
  display: block;
  font-family: var(--font-heading);
  font-size: 1.5rem;
  color: var(--green-400);
}

.hero-stat span {
  font-size: 0.72rem;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* ===== Cards / grids ===== */
.grid {
  display: grid;
  gap: 28px;
}

.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

.card {
  background: var(--white);
  border: 1px solid var(--gray-300);
  border-top: 3px solid transparent;
  border-radius: var(--radius);
  padding: 32px 26px;
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
  position: relative;
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 34px rgba(20, 40, 30, 0.14);
  border-color: var(--gray-300);
  border-top-color: var(--green-500);
}

.card .icon {
  width: 54px;
  height: 54px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(34, 197, 94, 0.16), rgba(34, 197, 94, 0.05));
  border: 1px solid rgba(34, 197, 94, 0.3);
  color: var(--green-600);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}

.card .icon svg { width: 27px; height: 27px; }

.card h3 { font-size: 1.15rem; }

.card ul {
  padding-left: 18px;
  margin: 14px 0 0;
  font-size: 0.92rem;
  color: var(--gray-500);
}

.card ul li { margin-bottom: 6px; }

/* ===== CTA band ===== */
.cta-band {
  background:
    radial-gradient(circle at 15% 50%, rgba(34, 197, 94, 0.14), transparent 55%),
    var(--ink-950);
  color: var(--white);
  padding: 64px 0;
  border-top: 1px solid rgba(34, 197, 94, 0.15);
  border-bottom: 1px solid rgba(34, 197, 94, 0.15);
}

.cta-band .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px;
}

.cta-band h2 { color: var(--white); margin-bottom: 6px; font-size: 1.7rem; }
.cta-band p { color: var(--gray-300); margin: 0; }

/* ===== Footer ===== */
.site-footer {
  background: var(--ink-950);
  color: var(--gray-300);
  padding: 64px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 32px;
  padding-bottom: 36px;
  border-bottom: 1px solid rgba(34, 197, 94, 0.15);
}

.footer-grid h4 {
  color: var(--white);
  font-size: 1rem;
  margin-bottom: 16px;
}

.footer-grid ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-grid li { margin-bottom: 10px; font-size: 0.92rem; }

.footer-grid a:hover { color: var(--green-400); }

.footer-bottom {
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 0.82rem;
  color: var(--gray-500);
}

/* ===== Page header (interior pages) ===== */
.page-header {
  background:
    radial-gradient(circle at 85% 20%, rgba(34, 197, 94, 0.18), transparent 45%),
    linear-gradient(135deg, var(--ink-950), var(--ink-850));
  color: var(--white);
  padding: 72px 0;
  text-align: center;
  clip-path: polygon(0 0, 100% 0, 100% 88%, 0 100%);
}

.page-header h1 { color: var(--white); margin-bottom: 8px; }
.page-header p { color: var(--gray-300); margin: 0; }

.page-header-left {
  text-align: left;
  padding: 90px 0 64px;
  clip-path: none;
}

.page-header-left .eyebrow { justify-content: flex-start; }
.page-header-left .eyebrow::before { display: none; }

.page-header-left h1 {
  font-size: clamp(2.4rem, 4.5vw, 3.6rem);
  font-weight: 800;
  max-width: 680px;
  margin-left: 0;
}

.page-header-left p {
  max-width: 560px;
}

/* ===== Contact page ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 40px;
  align-items: start;
}

.contact-info .card { margin-bottom: 20px; }

.form-card {
  border: 1px solid var(--gray-300);
  border-radius: var(--radius);
  padding: 36px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.form-group { margin-bottom: 18px; }

.form-group label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 6px;
  color: var(--ink-900);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--gray-300);
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--gray-700);
  background: var(--white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--green-500);
  box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.18);
}

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }

#form-status {
  margin-top: 14px;
  font-weight: 600;
  font-size: 0.9rem;
}

#form-status.success { color: var(--green-600); }
#form-status.error { color: #c0392b; }

/* ===== Projects grid ===== */
.project-card {
  background: var(--ink-900);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}

.project-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
  border-color: rgba(34, 197, 94, 0.35);
}

.project-thumb {
  aspect-ratio: 4 / 3;
  background:
    repeating-linear-gradient(135deg, rgba(34,197,94,0.10) 0 2px, transparent 2px 14px),
    linear-gradient(135deg, var(--ink-900), var(--ink-800));
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  color: var(--green-400);
  position: relative;
}

.project-thumb.has-image { background: var(--ink-950); }

.project-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.project-thumb svg { width: 34px; height: 34px; }

.project-thumb span {
  color: var(--gray-500);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
}

.project-card-body { padding: 22px 24px; }

.project-category {
  display: inline-block;
  background: rgba(34, 197, 94, 0.12);
  color: var(--green-400);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 4px 10px;
  border-radius: 999px;
  margin-bottom: 12px;
}

.project-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.project-card-body h3 {
  font-size: 1.1rem;
  margin-bottom: 0;
  color: var(--white);
}

.project-arrow {
  color: var(--green-500);
  font-size: 1.2rem;
  line-height: 1;
  transition: transform 0.15s ease;
  flex-shrink: 0;
}

.project-card:hover .project-arrow {
  transform: translateX(4px);
  color: var(--green-400);
}

.project-location {
  font-size: 0.85rem;
  color: var(--gray-300);
  margin: 6px 0 0;
}

/* ===== Project modal ===== */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(5, 8, 6, 0.82);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.modal-overlay.active { display: flex; }

.modal-box {
  background: var(--ink-900);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
  max-width: 780px;
  width: 100%;
  max-height: 88vh;
  overflow-y: auto;
  position: relative;
  padding: 40px;
  color: var(--gray-300);
}

.modal-close {
  position: absolute;
  top: 18px;
  right: 18px;
  background: rgba(255, 255, 255, 0.08);
  border: none;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  font-size: 1.1rem;
  cursor: pointer;
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-close:hover { background: rgba(255, 255, 255, 0.16); }

.modal-box .project-category { margin-bottom: 14px; }
.modal-box h2 { margin-bottom: 4px; color: var(--white); }
.modal-box .project-location { margin-bottom: 18px; }

.project-video-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: 10px;
  overflow: hidden;
  margin-top: 22px;
  background: var(--ink-950);
}

.project-video-wrap iframe,
.project-video-wrap video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: none;
}

.photo-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-top: 22px;
}

.photo-tile {
  aspect-ratio: 4 / 3;
  border-radius: 8px;
  overflow: hidden;
  cursor: pointer;
  background:
    repeating-linear-gradient(135deg, rgba(34,197,94,0.10) 0 2px, transparent 2px 14px),
    linear-gradient(135deg, var(--ink-900), var(--ink-800));
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  color: var(--green-400);
}

.photo-tile img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.photo-tile svg { width: 24px; height: 24px; }

.photo-tile span {
  color: var(--gray-500);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

/* ===== Lightbox ===== */
.lightbox-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.92);
  z-index: 1100;
  align-items: center;
  justify-content: center;
}

.lightbox-overlay.active { display: flex; }

.lightbox-overlay img {
  max-width: 88vw;
  max-height: 82vh;
  border-radius: 6px;
}

.lightbox-close {
  position: absolute;
  top: 24px;
  right: 32px;
  background: none;
  border: none;
  color: var(--white);
  font-size: 2rem;
  cursor: pointer;
  line-height: 1;
}

.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.1);
  border: none;
  color: var(--white);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  font-size: 1.4rem;
  cursor: pointer;
}

.lightbox-nav:hover { background: rgba(255, 255, 255, 0.2); }
.lightbox-prev { left: 24px; }
.lightbox-next { right: 24px; }

/* ===== Reveal animation ===== */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

.grid > .reveal:nth-child(1) { transition-delay: 0s; }
.grid > .reveal:nth-child(2) { transition-delay: 0.1s; }
.grid > .reveal:nth-child(3) { transition-delay: 0.2s; }
.grid > .reveal:nth-child(4) { transition-delay: 0.3s; }
.grid > .reveal:nth-child(5) { transition-delay: 0.4s; }
.grid > .reveal:nth-child(6) { transition-delay: 0.5s; }

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .hero .container { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .nav-links, .nav-actions .btn { display: none; }
  .nav-toggle { display: block; }
  .site-header.nav-open .nav-links {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--ink-900);
    padding: 20px 24px;
    gap: 18px;
    border-top: 1px solid rgba(34, 197, 94, 0.2);
  }
  .top-bar .container { justify-content: center; text-align: center; }
  .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .cta-band .container { justify-content: center; text-align: center; }
  .hero, .page-header { clip-path: none; }
  .modal-box { padding: 26px; }
  .photo-grid { grid-template-columns: 1fr; }
  .lightbox-nav { width: 40px; height: 40px; font-size: 1.1rem; }
  .lightbox-prev { left: 10px; }
  .lightbox-next { right: 10px; }
}