/* NH Formwork — dark slate theme with sky-blue accent */

:root {
  --ink: #f1f5f9;
  --ink-2: #cbd5e1;
  --ink-3: #94a3b8;
  --bg: #0a0e1a;
  --bg-2: #0f172a;
  --bg-3: #1e293b;
  --line: #1f2a3d;
  --accent: #38bdf8;
  --accent-2: #7dd3fc;
  --accent-deep: #0ea5e9;
  --danger: #f87171;
  --maxw: 1200px;
  --pad: clamp(1rem, 4vw, 2rem);
  --radius: 14px;
  --radius-sm: 8px;
  --shadow: 0 20px 50px -20px rgba(0,0,0,.6);
  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --easing: cubic-bezier(.2,.7,.2,1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body { margin: 0; }
body {
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.55;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; height: auto; display: block; }
button, input, textarea, select { font: inherit; color: inherit; }
:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}

.container { max-width: var(--maxw); margin-inline: auto; padding-inline: var(--pad); }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute; left: 0; top: 0; padding: .75rem 1rem;
  background: var(--accent); color: #00121f; font-weight: 800;
  transform: translateY(-110%); transition: transform .2s var(--easing);
  z-index: 200;
}
.skip-link:focus { transform: translateY(0); }

/* ----- Header ----- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(10,14,26,.78);
  backdrop-filter: saturate(1.4) blur(10px);
  -webkit-backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-grid {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; padding-block: .75rem;
}
.brand { display: inline-flex; }
.brand-logo {
  height: 56px; width: auto;
  background: #fff; padding: 6px 10px; border-radius: 6px;
}
@media (min-width: 720px) {
  .brand-logo { height: 64px; }
}

.primary-nav { display: flex; align-items: center; }
.nav-toggle {
  background: transparent; border: 1px solid var(--line); color: var(--ink);
  width: 44px; height: 44px; border-radius: 8px; cursor: pointer;
  display: inline-flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px;
}
.nav-toggle .bar { width: 22px; height: 2px; background: var(--ink); border-radius: 2px; }
.nav-menu {
  list-style: none; margin: 0; padding: 0;
  display: none;
  position: absolute; top: 100%; left: 0; right: 0;
  background: var(--bg-2); border-bottom: 1px solid var(--line);
}
.nav-menu li { border-top: 1px solid var(--line); }
.nav-menu a {
  display: block; padding: 1rem var(--pad); color: var(--ink); text-decoration: none;
  font-weight: 700; letter-spacing: .04em; text-transform: uppercase; font-size: .82rem;
}
.nav-menu a:hover, .nav-menu a:focus-visible { color: var(--accent); }
.nav-menu .nav-cta {
  background: var(--accent); color: #00121f;
  margin: 1rem var(--pad); padding: .85rem 1.2rem; border-radius: 999px;
  text-align: center; box-shadow: var(--shadow);
}
.nav-menu .nav-cta:hover, .nav-menu .nav-cta:focus-visible {
  background: var(--accent-2); color: #00121f;
}
[data-nav-open] .nav-menu { display: block; }

@media (min-width: 860px) {
  .nav-toggle { display: none; }
  .nav-menu {
    display: flex; gap: 2rem; align-items: center; position: static; background: transparent; border: 0;
  }
  .nav-menu li { border: 0; }
  .nav-menu a { padding: .5rem 0; font-size: .78rem; }
  .nav-menu .nav-cta { margin: 0; padding: .65rem 1.1rem; font-size: .78rem; }
}

/* ----- Hero ----- */
.hero {
  position: relative;
  min-height: clamp(420px, 70vh, 720px);
  display: grid; align-items: center;
  isolation: isolate;
  overflow: hidden;
}
.hero-img {
  position: absolute; inset: 0; z-index: -2;
  width: 100%; height: 100%; object-fit: cover; object-position: center;
}
.hero-overlay {
  position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(to bottom, rgba(10,14,26,.55) 0%, rgba(10,14,26,.85) 70%, rgba(10,14,26,.95) 100%);
}
.hero-inner { padding-block: clamp(3rem, 10vh, 6rem); }
.eyebrow {
  display: inline-flex; align-items: center; gap: .55rem;
  text-transform: uppercase; font-weight: 800; font-size: .72rem;
  letter-spacing: .22em; color: var(--accent-2);
  margin: 0 0 1.25rem;
}
.eyebrow .dot {
  width: 8px; height: 8px; border-radius: 999px; background: var(--accent);
  box-shadow: 0 0 0 4px rgba(56,189,248,.18);
}
.hero-title {
  font-size: clamp(2rem, 7vw, 4.5rem);
  font-weight: 900; font-style: italic;
  text-transform: uppercase; letter-spacing: -.02em; line-height: .95;
  margin: 0 0 1rem;
}
.hero-title .accent { color: var(--accent); }
.hero-title .sep { color: var(--ink-3); margin-inline: .35ch; font-style: normal; font-weight: 700; }
.hero-sub {
  font-size: clamp(1rem, 1.6vw, 1.2rem);
  max-width: 60ch; color: var(--ink-2); margin: 0 0 2rem;
}
.hero-ctas { display: flex; flex-wrap: wrap; gap: .75rem; }

/* ----- Buttons ----- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  padding: .85rem 1.4rem; border-radius: 999px;
  font-weight: 800; text-transform: uppercase; letter-spacing: .08em; font-size: .82rem;
  text-decoration: none; cursor: pointer;
  border: 1px solid transparent;
  transition: transform .15s var(--easing), background .15s var(--easing), color .15s var(--easing), border-color .15s var(--easing);
}
.btn-primary { background: var(--accent); color: #00121f; box-shadow: var(--shadow); }
.btn-primary:hover, .btn-primary:focus-visible { background: var(--accent-2); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--ink-3); }
.btn-ghost:hover, .btn-ghost:focus-visible { border-color: var(--accent); color: var(--accent); }
.btn-block { width: 100%; }
.btn:active { transform: translateY(1px); }

/* ----- Sections ----- */
.section { padding-block: clamp(3.5rem, 9vw, 6rem); }
.section-services { background: var(--bg-2); border-block: 1px solid var(--line); }
.section-gallery { background: var(--bg); }
.section-about { background: var(--bg-2); border-top: 1px solid var(--line); }
.section-contact { background: linear-gradient(180deg, var(--bg-2), #060912); border-top: 1px solid var(--line); }
.section-title {
  font-size: clamp(1.6rem, 4vw, 2.6rem);
  font-weight: 900; font-style: italic; text-transform: uppercase; letter-spacing: -.01em;
  margin: 0 0 2rem;
}
.section-title .accent { color: var(--accent); }

/* ----- Services grid ----- */
.service-grid {
  list-style: none; margin: 0; padding: 0;
  display: grid; gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}
.service {
  background: var(--bg-3);
  border: 1px solid var(--line);
  border-radius: var(--radius); padding: 1.4rem;
  transition: border-color .2s var(--easing), transform .2s var(--easing);
}
.service:hover { border-color: var(--accent); transform: translateY(-2px); }
.service .icon { width: 28px; height: 28px; color: var(--accent); margin-bottom: .75rem; }
.service h3 { margin: 0 0 .35rem; font-size: 1.05rem; letter-spacing: .01em; }
.service p { margin: 0; color: var(--ink-2); font-size: .95rem; }

/* ----- Gallery ----- */
.gallery-hint { color: var(--ink-3); margin: -1rem 0 1.5rem; font-size: .92rem; }
.gallery-hint kbd {
  background: var(--bg-3); border: 1px solid var(--line); border-radius: 4px;
  padding: 0 .35rem; font-size: .8em; font-family: ui-monospace, monospace;
}
.gallery-grid {
  list-style: none; margin: 0; padding: 0;
  display: grid; gap: .75rem;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}
.tile {
  display: block; width: 100%; padding: 0; margin: 0;
  background: var(--bg-3); border: 1px solid var(--line);
  border-radius: var(--radius); overflow: hidden;
  cursor: zoom-in; aspect-ratio: 4 / 5;
  position: relative;
  transition: transform .25s var(--easing), border-color .2s var(--easing);
}
.tile img {
  width: 100%; height: 100%; object-fit: cover;
  opacity: .82; transition: opacity .25s var(--easing), transform .35s var(--easing);
}
.tile:hover, .tile:focus-visible { border-color: var(--accent); transform: translateY(-2px); }
.tile:hover img, .tile:focus-visible img { opacity: 1; transform: scale(1.04); }

.btn-icon { width: 18px; height: 18px; flex-shrink: 0; }

/* ----- About ----- */
.about-grid {
  display: grid; gap: 2.5rem;
  grid-template-columns: 1fr;
  align-items: start;
}
@media (min-width: 860px) {
  .about-grid { grid-template-columns: 1.2fr 1fr; gap: 3rem; }
}
.about-grid p { color: var(--ink-2); }
.why-list { list-style: none; padding: 0; margin: 1.5rem 0 0; display: grid; gap: .75rem; }
.why-list li { padding-left: 1.6rem; position: relative; color: var(--ink-2); }
.why-list li::before {
  content: ""; position: absolute; left: 0; top: .5em;
  width: 10px; height: 10px; border-radius: 2px; background: var(--accent);
}
.why-list strong { color: var(--ink); }
.about-figure { margin: 0; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); }
.about-figure img { aspect-ratio: 3/4; object-fit: cover; }
.about-figure figcaption {
  padding: .75rem 1rem; color: var(--ink-3); font-size: .88rem;
  background: var(--bg-3); border-top: 1px solid var(--line);
}

/* ----- Contact ----- */
.contact-grid {
  display: grid; gap: 2.5rem;
  grid-template-columns: 1fr;
}
@media (min-width: 860px) {
  .contact-grid { grid-template-columns: 1fr 1fr; gap: 3rem; }
}
.contact-list { list-style: none; padding: 0; margin: 1.25rem 0 0; display: grid; gap: 1rem; }
.contact-list li {
  display: grid; gap: .25rem;
  grid-template-columns: 7em 1fr;
  align-items: baseline;
}
.contact-label {
  font-size: .72rem; font-weight: 800; text-transform: uppercase; letter-spacing: .14em;
  color: var(--accent-2);
}
.contact-list a { color: var(--ink); }
.contact-list a:hover, .contact-list a:focus-visible { color: var(--accent); }

.phone-link {
  font-style: italic; font-weight: 900; font-size: 1.15rem;
  color: var(--accent); letter-spacing: .02em; text-decoration: none;
}
.phone-link:hover, .phone-link:focus-visible { color: var(--accent-2); }

.contact-form {
  background: var(--bg-3); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 1.5rem;
  display: grid; gap: 1rem;
}
@media (min-width: 720px) { .contact-form { padding: 2rem; } }
.form-intro { margin: 0; color: var(--ink-2); }
.field { display: grid; gap: .35rem; }
.field label {
  font-size: .72rem; font-weight: 800; text-transform: uppercase; letter-spacing: .14em;
  color: var(--accent-2);
}
.field .optional { font-weight: 600; color: var(--ink-3); letter-spacing: .04em; text-transform: none; }
.field input, .field textarea {
  background: rgba(15,23,42,.7); color: var(--ink);
  border: 1px solid var(--line); border-radius: var(--radius-sm);
  padding: .85rem 1rem;
  transition: border-color .2s var(--easing), background .2s var(--easing);
}
.field input:focus, .field textarea:focus {
  border-color: var(--accent); background: rgba(15,23,42,.95); outline: none;
}
.field textarea { resize: vertical; min-height: 120px; }
.form-note { margin: 0; font-size: .78rem; color: var(--ink-3); }

/* ----- Footer ----- */
.site-footer {
  background: #04060c; color: var(--ink-3);
  padding-block: 2.5rem; border-top: 1px solid var(--line);
}
.footer-grid {
  display: grid; gap: 2rem;
  grid-template-columns: 1fr;
  text-align: center;
}
@media (min-width: 860px) {
  .footer-grid {
    grid-template-columns: auto 1fr auto;
    text-align: left;
    align-items: start;
  }
  .footer-col-meta { text-align: right; }
}
.footer-col { display: flex; flex-direction: column; gap: .75rem; }
.footer-col-brand { align-items: center; gap: 1rem; }
@media (min-width: 860px) { .footer-col-brand { align-items: flex-start; } }
.footer-logo {
  height: 38px; width: auto; background: #fff;
  padding: 5px 8px; border-radius: 4px; opacity: .9;
}
.footer-name { color: var(--ink); font-weight: 800; margin: 0; letter-spacing: .02em; }
.footer-col-info { font-style: normal; }
.footer-col-info p { margin: 0; font-size: .85rem; line-height: 1.55; }
.footer-meta, .footer-built { margin: 0; font-size: .82rem; }
.footer-built { font-style: italic; opacity: .7; }
.footer-built a {
  color: var(--ink-2); text-decoration: none;
  border-bottom: 1px solid var(--ink-3);
  transition: color .2s var(--easing), border-color .2s var(--easing);
}
.footer-built a:hover, .footer-built a:focus-visible {
  color: var(--accent); border-bottom-color: var(--accent);
}

.social-list {
  list-style: none; padding: 0; margin: 0;
  display: flex; gap: .5rem;
}
.social-link {
  display: inline-flex; align-items: center; justify-content: center;
  width: 40px; height: 40px; border-radius: 999px;
  background: var(--bg-3); color: var(--ink-2);
  border: 1px solid var(--line);
  transition: background .2s var(--easing), color .2s var(--easing), border-color .2s var(--easing);
}
.social-link:hover, .social-link:focus-visible {
  background: #1877f2; color: #fff; border-color: #1877f2;
}

/* ----- Lightbox ----- */
.lightbox {
  position: fixed; inset: 0; z-index: 100;
  background: rgba(2,4,10,.96);
  display: grid;
  align-items: center; justify-items: center;
  padding: clamp(1rem, 3vw, 2rem);
}
.lightbox[hidden] { display: none; }
.lightbox-figure {
  margin: 0;
  display: grid; place-items: center;
  width: 100%; height: 100%;
}
.lightbox-figure img {
  max-width: min(94vw, 1400px); max-height: 84vh;
  object-fit: contain; border: 2px solid var(--ink);
  box-shadow: 0 30px 80px -20px rgba(0,0,0,.8);
}
.lightbox-figure { position: relative; z-index: 1; touch-action: pan-y pinch-zoom; user-select: none; -webkit-user-select: none; }
.lightbox-close, .lightbox-prev, .lightbox-next {
  position: fixed; z-index: 2;
  background: rgba(15,23,42,.7); color: var(--ink); border: 1px solid var(--line);
  width: 56px; height: 56px; border-radius: 999px;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 1.4rem; cursor: pointer;
  transition: background .2s var(--easing), color .2s var(--easing), border-color .2s var(--easing);
}
.lightbox-close { top: 1rem; right: 1rem; font-size: 2rem; line-height: 1; }
.lightbox-prev { left: 1rem; top: 50%; transform: translateY(-50%); }
.lightbox-next { right: 1rem; top: 50%; transform: translateY(-50%); }
.lightbox-close:hover, .lightbox-prev:hover, .lightbox-next:hover,
.lightbox-close:focus-visible, .lightbox-prev:focus-visible, .lightbox-next:focus-visible {
  background: var(--accent); color: #00121f; border-color: var(--accent);
}
.lightbox-counter {
  position: fixed; z-index: 2; bottom: 1rem; left: 50%; transform: translateX(-50%);
  margin: 0; padding: .35rem .8rem; border-radius: 999px;
  background: rgba(15,23,42,.7); border: 1px solid var(--line);
  color: var(--ink-2); font-size: .82rem; letter-spacing: .04em;
}
.lightbox.is-loading .lightbox-figure img { opacity: .5; }
body[data-lightbox-open] { overflow: hidden; }

/* ----- Reduced motion ----- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .tile img { opacity: 1; }
}

/* ----- Forced colors ----- */
@media (forced-colors: active) {
  .btn-primary, .nav-cta { forced-color-adjust: none; }
}