/* ============================================================
   GJERGJI KONSTRUKSION — Architectural Design System
   Bone white · Deep navy · Engineering-drawing details
   Mobile-first
   ============================================================ */
:root {
  --bone: #F6F4EE;
  --paper: #FFFFFF;
  --ink: #122C40;
  --ink-deep: #0B1D2B;
  --steel: #5C7080;
  --hairline: #DCD6C8;
  --hairline-soft: #E7E2D7;
  --display: 'Marcellus', serif;
  --body: 'Archivo', sans-serif;
  --container: 1140px;
  --pad: 20px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

body {
  background: var(--bone);
  color: var(--ink);
  font-family: var(--body);
  font-size: 16.5px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
svg { display: block; }

a:focus-visible, button:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 3px;
}

.container {
  width: min(var(--container), calc(100% - 2 * var(--pad)));
  margin-inline: auto;
}

::selection { background: var(--ink); color: var(--bone); }

/* ---------- Type ---------- */
h1, h2, h3 { font-family: var(--display); font-weight: 400; line-height: 1.12; }

.eyebrow {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--steel);
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}
.eyebrow::before { content: ""; width: 30px; height: 1px; background: var(--ink); }

.section-title { font-size: clamp(30px, 4.6vw, 48px); margin-bottom: 18px; }
.lead { color: var(--steel); max-width: 620px; font-size: 17px; }

/* Dimension-line divider (engineering drawing signature) */
.dim-rule {
  position: relative;
  height: 1px;
  background: var(--ink);
  margin: 26px 0 0;
  max-width: 190px;
  opacity: .8;
}
.dim-rule::before, .dim-rule::after {
  content: "";
  position: absolute;
  top: -4px;
  width: 1px;
  height: 9px;
  background: var(--ink);
}
.dim-rule::before { left: 0; }
.dim-rule::after { right: 0; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.03em;
  padding: 15px 26px;
  border: 1px solid var(--ink);
  min-height: 48px;
  transition: background .18s ease, color .18s ease;
}
.btn svg { width: 15px; height: 15px; }
.btn-solid { background: var(--ink); color: var(--bone); }
.btn-solid:hover { background: var(--ink-deep); }
.btn-ghost { background: transparent; color: var(--ink); }
.btn-ghost:hover { background: var(--ink); color: var(--bone); }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(246, 244, 238, 0.94);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--hairline);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark { width: 46px; height: auto; color: var(--ink); flex-shrink: 0; }
.brand-name {
  font-family: var(--display);
  font-size: 17px;
  letter-spacing: 0.06em;
  line-height: 1.15;
  text-transform: uppercase;
  display: flex;
  flex-direction: column;
}
.brand-name span {
  font-family: var(--body);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.28em;
  color: var(--steel);
  margin-top: 2px;
}
@media (max-width: 420px) {
  .brand { gap: 9px; }
  .brand-mark { width: 38px; }
  .brand-name { font-size: 14px; letter-spacing: 0.05em; }
  .brand-name span { font-size: 8.5px; letter-spacing: 0.22em; }
}

.menu-toggle {
  background: none;
  border: 1px solid var(--hairline);
  color: var(--ink);
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  cursor: pointer;
}
.menu-toggle svg { width: 20px; height: 20px; }

.nav {
  position: fixed;
  top: 68px;
  left: 0;
  right: 0;
  background: var(--ink-deep);
  border-bottom: 2px solid var(--ink);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(-12px);
  transition: opacity .22s ease, transform .22s ease, visibility 0s linear .22s;
  z-index: 60;
  max-height: calc(100dvh - 68px);
  overflow-y: auto;
}
.nav.open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: none;
  transition: opacity .22s ease, transform .22s ease;
}
.nav ul { padding: 8px var(--pad) 22px; }
.nav a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 17px 4px;
  color: var(--bone);
  font-size: 17px;
  font-weight: 500;
  letter-spacing: 0.02em;
  border-bottom: 1px solid rgba(246, 244, 238, 0.1);
}
@media (max-width: 899.98px) {
  .nav a::after {
    content: "→";
    font-size: 15px;
    opacity: 0;
    transform: translateX(-6px);
    transition: opacity .18s ease, transform .18s ease;
  }
  .nav a.active::after, .nav a:active::after { opacity: .7; transform: none; }
  .nav .nav-cta::after { content: none; }
}
.nav a.active { color: #fff; font-weight: 600; }
.nav .nav-cta {
  margin-top: 16px;
  justify-content: center;
  gap: 10px;
  background: var(--bone);
  color: var(--ink);
  font-weight: 600;
  border: none;
  padding: 16px;
}
/* Dark scrim behind the open mobile menu */
body.nav-open { overflow: hidden; }
body.nav-open::before {
  content: "";
  position: fixed;
  inset: 0;
  background: rgba(11, 29, 43, 0.55);
  z-index: 45;
}

@media (min-width: 900px) {
  .menu-toggle { display: none; }
  .nav {
    position: static;
    background: none;
    border-bottom: none;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: none;
    transition: none;
    max-height: none;
    overflow: visible;
  }
  body.nav-open { overflow: auto; }
  body.nav-open::before { content: none; }
  .nav ul { display: flex; align-items: center; gap: 6px; padding: 0; }
  .nav a {
    color: var(--ink);
    font-size: 14.5px;
    padding: 10px 14px;
    border-bottom: none;
    position: relative;
  }
  .nav a:not(.nav-cta)::after {
    content: "";
    position: absolute;
    left: 14px;
    right: 14px;
    bottom: 4px;
    height: 1px;
    background: var(--ink);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform .2s ease;
  }
  .nav a:not(.nav-cta):hover::after,
  .nav a.active:not(.nav-cta)::after { transform: scaleX(1); }
  .nav .nav-cta {
    border: 1px solid var(--ink);
    background: var(--ink);
    color: var(--bone);
    margin-left: 12px;
    padding: 11px 20px;
  }
  .nav .nav-cta:hover { background: var(--ink-deep); }
}

/* ---------- Drawing frame for photos ---------- */
.frame {
  position: relative;
  background: var(--paper);
  border: 1px solid var(--ink);
  padding: 10px;
}
.frame::before, .frame::after,
.frame .tick-a, .frame .tick-b {
  content: "";
  position: absolute;
  width: 14px;
  height: 14px;
  border-color: var(--ink);
  border-style: solid;
  border-width: 0;
}
.frame::before { top: -6px; left: -6px; border-top-width: 2px; border-left-width: 2px; }
.frame::after { top: -6px; right: -6px; border-top-width: 2px; border-right-width: 2px; }
.frame .tick-a { bottom: -6px; left: -6px; border-bottom-width: 2px; border-left-width: 2px; }
.frame .tick-b { bottom: -6px; right: -6px; border-bottom-width: 2px; border-right-width: 2px; }
.frame img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.frame figcaption {
  position: absolute;
  left: 10px;
  bottom: 10px;
  background: var(--ink);
  color: var(--bone);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  padding: 7px 12px;
}

/* ---------- Hero ---------- */
.hero { padding: 44px 0 0; }
.hero-inner {
  display: grid;
  gap: 36px;
}
.hero h1 {
  font-size: clamp(36px, 9.5vw, 64px);
  margin-bottom: 18px;
  max-width: 15ch;
}
.hero h1 em { font-style: normal; border-bottom: 3px solid var(--ink); }
.hero .lead { margin-bottom: 28px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }

.stat-strip {
  margin-top: 48px;
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
  background: var(--paper);
}
/* Mobile: ledger rows — number left, label right */
.stat-strip .container {
  display: grid;
  grid-template-columns: 1fr;
}
.stat {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 2px;
  text-align: left;
}
.stat + .stat { border-top: 1px solid var(--hairline-soft); }
.stat b {
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(26px, 7vw, 40px);
  white-space: nowrap;
}
.stat b sup { font-size: 0.45em; margin-left: 2px; }
.stat span {
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--steel);
  text-align: right;
}

@media (max-width: 520px) {
  .hero-actions .btn { flex: 1 1 100%; justify-content: center; }
}

@media (min-width: 640px) {
  .stat-strip .container { grid-template-columns: repeat(3, 1fr); }
  .stat {
    display: block;
    text-align: center;
    padding: 22px 8px;
  }
  .stat + .stat { border-top: none; border-left: 1px solid var(--hairline); }
  .stat b { display: block; }
  .stat span { text-align: center; }
}

@media (min-width: 900px) {
  .hero { padding-top: 84px; }
  .hero-inner {
    grid-template-columns: 1.05fr 0.95fr;
    align-items: center;
    gap: 64px;
  }
}

/* ---------- Sections ---------- */
.section { padding: 60px 0; }
.section-alt { background: var(--paper); border-block: 1px solid var(--hairline); }
.section-head { margin-bottom: 36px; }
@media (min-width: 900px) { .section-head { margin-bottom: 44px; } }

@media (min-width: 900px) { .section { padding: 104px 0; } }

/* ---------- About ---------- */
.about-grid { display: grid; gap: 44px; }
.about-points { margin-top: 26px; display: grid; gap: 14px; }
.about-points li {
  display: flex;
  gap: 14px;
  align-items: baseline;
  font-weight: 500;
}
.about-points li::before {
  content: "";
  width: 9px;
  height: 9px;
  background: var(--ink);
  flex-shrink: 0;
  transform: rotate(45deg) translateY(-1px);
}
@media (min-width: 900px) {
  .about-grid { grid-template-columns: 1.05fr 0.95fr; align-items: center; gap: 64px; }
}

/* ---------- Services ---------- */
.services-grid { display: grid; gap: 18px; }
.service {
  background: var(--bone);
  border: 1px solid var(--hairline);
  padding: 30px 26px;
  position: relative;
  transition: border-color .2s ease;
}
.service::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 44px;
  height: 3px;
  background: var(--ink);
}
.service:hover { border-color: var(--ink); }
.service svg { width: 42px; height: 42px; color: var(--ink); margin-bottom: 18px; }
.service h3 { font-size: 22px; margin-bottom: 10px; }
.service p { color: var(--steel); font-size: 15.5px; }
@media (min-width: 720px) { .services-grid { grid-template-columns: repeat(3, 1fr); } }

/* ---------- Projects ---------- */
.projects-grid { display: grid; gap: 22px; }
.project-card {
  background: var(--paper);
  border: 1px solid var(--hairline);
  transition: border-color .2s ease, transform .2s ease;
}
.project-card:hover { border-color: var(--ink); transform: translateY(-3px); }
.project-media { position: relative; overflow: hidden; }
.project-media img { width: 100%; aspect-ratio: 16 / 10.5; object-fit: cover; }
.area-tag {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--ink);
  color: var(--bone);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  padding: 6px 11px;
}
.project-body { padding: 22px 22px 24px; }
.project-body h3 { font-size: 21px; margin-bottom: 8px; }
.project-body p { color: var(--steel); font-size: 15px; margin-bottom: 14px; }
.project-loc {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--ink);
}
.project-loc svg { width: 13px; height: 13px; }
.projects-more { margin-top: 40px; text-align: center; }
@media (min-width: 720px) { .projects-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1020px) { .projects-grid { grid-template-columns: repeat(3, 1fr); } }

/* ---------- Ground-line motif ---------- */
.groundline {
  height: 26px;
  background:
    linear-gradient(to bottom, var(--ink) 0 2.5px, transparent 2.5px),
    repeating-linear-gradient(115deg, transparent 0 11px, var(--hairline) 11px 12.5px);
  background-size: 100% 100%, 100% 16px;
  background-repeat: no-repeat, repeat-x;
  background-position: top, 0 4px;
}

/* ---------- CTA band ---------- */
.cta-band {
  background: var(--ink-deep);
  color: var(--bone);
  padding: 60px 0;
  text-align: center;
}
@media (min-width: 900px) { .cta-band { padding: 76px 0; } }
@media (max-width: 520px) {
  .cta-band .btn { width: calc(100% - 2 * var(--pad)); max-width: 340px; justify-content: center; }
}
.cta-band h2 {
  font-size: clamp(26px, 4vw, 42px);
  max-width: 24ch;
  margin: 0 auto 30px;
}
.cta-band .btn-solid {
  background: var(--bone);
  color: var(--ink);
  border-color: var(--bone);
}
.cta-band .btn-solid:hover { background: #fff; }

/* ---------- Page hero (subpages) ---------- */
.page-hero {
  padding: 60px 0 52px;
  border-bottom: 1px solid var(--hairline);
}
.page-hero h1 { font-size: clamp(34px, 6vw, 56px); margin-bottom: 16px; }
@media (min-width: 900px) { .page-hero { padding: 88px 0 72px; } }

/* ---------- Contact ---------- */
.contact-grid { display: grid; gap: 40px; }
.contact-panel {
  background: var(--paper);
  border: 1px solid var(--hairline);
  padding: 28px 20px;
}
@media (min-width: 600px) { .contact-panel { padding: 34px 28px; } }
.contact-actions .btn { width: 100%; justify-content: center; }
@media (min-width: 600px) { .contact-actions .btn { width: auto; } }
.contact-list { display: grid; gap: 24px; margin-top: 26px; }
.contact-item { display: flex; gap: 16px; align-items: flex-start; }
.contact-item > svg {
  width: 22px;
  height: 22px;
  color: var(--ink);
  flex-shrink: 0;
  margin-top: 3px;
}
.contact-item small {
  display: block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--steel);
  margin-bottom: 3px;
}
.contact-item a, .contact-item p { font-size: 16.5px; font-weight: 500; }
.contact-item a:hover { text-decoration: underline; }
.contact-actions { margin-top: 32px; display: flex; gap: 12px; flex-wrap: wrap; }
.socials { display: flex; gap: 12px; margin-top: 30px; }
.socials a {
  width: 46px;
  height: 46px;
  border: 1px solid var(--hairline);
  display: grid;
  place-items: center;
  color: var(--ink);
  transition: background .18s ease, color .18s ease, border-color .18s ease;
}
.socials a:hover { background: var(--ink); color: var(--bone); border-color: var(--ink); }
.socials svg { width: 18px; height: 18px; }
.contact-figure .frame img { aspect-ratio: 4 / 3.4; }
@media (min-width: 900px) {
  .contact-grid { grid-template-columns: 1fr 1fr; align-items: start; gap: 56px; }
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--ink-deep);
  color: rgba(246, 244, 238, 0.82);
  padding: 64px 0 0;
  font-size: 15px;
}
.site-footer .brand-mark, .site-footer .brand-name { color: var(--bone); }
.site-footer .brand-name span { color: rgba(246, 244, 238, 0.55); }
.footer-grid { display: grid; gap: 34px 24px; }
@media (min-width: 480px) and (max-width: 899.98px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}
.footer-brand p { margin-top: 18px; max-width: 300px; color: rgba(246,244,238,0.6); }
.footer-col small {
  display: block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(246, 244, 238, 0.45);
  margin-bottom: 14px;
}
.footer-col ul { display: grid; gap: 10px; }
.footer-col a:hover { color: #fff; text-decoration: underline; }
.footer-bottom {
  margin-top: 44px;
  border-top: 1px solid rgba(246, 244, 238, 0.12);
  padding: 20px 0 26px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 24px;
  justify-content: center;
  text-align: center;
  font-size: 13px;
  color: rgba(246, 244, 238, 0.5);
}
@media (min-width: 900px) {
  .footer-bottom { margin-top: 52px; justify-content: space-between; text-align: left; }
}
@media (min-width: 900px) {
  .footer-grid { grid-template-columns: 1.4fr 1fr 1.2fr 1fr; gap: 32px; }
}

/* ---------- Reveal ---------- */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity .5s ease, transform .5s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; }
}