/* ============ TOKENS ============ */
:root {
  --black: #0d0e10;
  --panel: #141619;
  --panel-2: #1b1e22;
  --line: #2a2e34;
  --gray: #3a3d42;
  --text: #e8e9eb;
  --muted: #9aa0a8;
  --accent: #c9a227;      /* warm construction gold */
  --accent-2: #e0b840;
  --maxw: 1160px;
  --radius: 4px;
  --ease: cubic-bezier(.2,.7,.2,1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--black);
  color: var(--text);
  font-family: 'Inter', system-ui, -apple-system, Arial, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { font-family: 'Montserrat', sans-serif; font-weight: 500; line-height: 1.15; letter-spacing: .2px; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.section { padding: 96px 0; }
.eyebrow {
  text-transform: uppercase; letter-spacing: 3px; font-size: 12px;
  color: var(--accent); font-weight: 600; margin-bottom: 14px;
}
.eyebrow.center, .center { text-align: center; }
.section-title { font-size: clamp(28px, 4vw, 44px); margin-bottom: 18px; }
.section-lead { color: var(--muted); max-width: 640px; font-size: 18px; }
.section-lead.center { margin-left: auto; margin-right: auto; }

/* ============ BUTTONS ============ */
.btn {
  display: inline-block; padding: 14px 28px; border-radius: var(--radius);
  font-weight: 600; font-size: 15px; letter-spacing: .3px; cursor: pointer;
  border: 1px solid transparent; transition: all .25s var(--ease);
}
.btn-primary { background: var(--accent); color: #1a1400; }
.btn-primary:hover { background: var(--accent-2); transform: translateY(-2px); }
.btn-ghost { border-color: var(--line); color: var(--text); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn-block { width: 100%; text-align: center; }

/* ============ HEADER ============ */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(13,14,16,.82); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 96px; }
.logo { display: flex; align-items: center; margin-left: -24px; }
.logo img { height: 78px; display: block; }
.main-nav { display: flex; align-items: center; gap: 28px; }
.nav-list { list-style: none; display: flex; align-items: center; gap: 30px; }
.header-phone {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--text); font-weight: 600; font-size: 16px; letter-spacing: .3px;
  padding: 9px 16px; border: 1px solid var(--line); border-radius: var(--radius);
  transition: border-color .2s, color .2s;
}
.header-phone:hover { border-color: var(--accent); color: var(--accent); }
.header-phone-icon { color: var(--accent); font-size: 17px; }
.nav-list a { font-size: 15px; color: var(--muted); transition: color .2s; font-weight: 500; }
.nav-list a:hover { color: var(--text); }
.nav-cta {
  border: 1px solid var(--accent); color: var(--accent) !important;
  padding: 9px 18px; border-radius: var(--radius);
}
.nav-cta:hover { background: var(--accent); color: #1a1400 !important; }
.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav-toggle span { width: 24px; height: 2px; background: var(--text); transition: .3s; }

/* ============ HERO ============ */
.hero {
  position: relative; min-height: 88vh; display: flex; align-items: center;
  background:
    linear-gradient(180deg, rgba(13,14,16,.55), rgba(13,14,16,.92)),
    repeating-linear-gradient(115deg, #16181c 0 2px, #121316 2px 60px),
    #101114;
  overflow: hidden;
}
.hero::after {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(circle at 75% 30%, rgba(201,162,39,.14), transparent 45%);
  pointer-events: none;
}
.hero-content { position: relative; z-index: 2; max-width: 760px; padding-top: 40px; padding-bottom: 40px; }
.hero h1 { font-size: clamp(34px, 6vw, 68px); font-weight: 600; margin-bottom: 22px; }
.hero-sub { color: var(--muted); font-size: clamp(16px, 2vw, 20px); max-width: 620px; margin-bottom: 34px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

/* ============ STATS ============ */
.stats { background: var(--panel); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; padding: 54px 24px; }
.stat { text-align: center; }
.stat-num, .stat-plus { font-family: 'Montserrat', sans-serif; font-size: 46px; font-weight: 600; color: var(--text); }
.stat-plus { color: var(--accent); }
.stat p { color: var(--muted); font-size: 14px; margin-top: 6px; letter-spacing: .3px; }

/* ============ SERVICES ============ */
.services { background: var(--black); }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 52px; }
.card {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 34px 28px; transition: transform .3s var(--ease), border-color .3s;
}
.card:hover { transform: translateY(-6px); border-color: var(--accent); }
.card-icon {
  width: 52px; height: 52px; display: grid; place-items: center; font-size: 24px;
  background: var(--panel-2); border: 1px solid var(--line); border-radius: var(--radius);
  color: var(--accent); margin-bottom: 20px;
}
.card h3 { font-size: 20px; margin-bottom: 10px; }
.card p { color: var(--muted); font-size: 15px; }

/* ============ PROJECTS ============ */
.projects { background: var(--panel); border-top: 1px solid var(--line); }
.project-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 52px; }
.project { position: relative; overflow: hidden; border-radius: var(--radius); border: 1px solid var(--line); }
.project-img { height: 260px; background-size: cover; background-position: center; transition: transform .5s var(--ease); }
.project:hover .project-img { transform: scale(1.06); }
.p1 { background: linear-gradient(135deg,#23262b,#3a3d42); }
.p2 { background: linear-gradient(135deg,#2b2620,#4a4130); }
.p3 { background: linear-gradient(135deg,#1f2429,#33404a); }
.p4 { background: linear-gradient(135deg,#2a2320,#463a34); }
.p5 { background: linear-gradient(135deg,#232a26,#38473f); }
.p6 { background: linear-gradient(135deg,#26232b,#403a4a); }
.project figcaption {
  position: absolute; left: 0; right: 0; bottom: 0; padding: 20px;
  background: linear-gradient(0deg, rgba(13,14,16,.92), transparent);
}
.project figcaption h3 { font-size: 18px; }
.project figcaption span { color: var(--muted); font-size: 13px; letter-spacing: .5px; }

/* ============ ABOUT ============ */
.about { background: var(--black); }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.about-media {
  min-height: 420px; border-radius: var(--radius); border: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(13,14,16,.35), rgba(13,14,16,.75)),
    repeating-linear-gradient(45deg, #1a1d21 0 6px, #16181c 6px 14px);
}
.about-text p { color: var(--muted); margin-bottom: 16px; }
.checklist { list-style: none; margin-top: 24px; display: grid; gap: 12px; }
.checklist li { position: relative; padding-left: 30px; color: var(--text); }
.checklist li::before {
  content: "✓"; position: absolute; left: 0; top: 0; color: var(--accent);
  font-weight: 700; width: 20px; height: 20px;
}

/* ============ PROCESS ============ */
.process { background: var(--panel); border-top: 1px solid var(--line); }
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; margin-top: 52px; }
.step { padding: 30px 24px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--black); }
.step-num { font-family: 'Montserrat'; font-size: 34px; font-weight: 600; color: var(--accent); }
.step h3 { font-size: 19px; margin: 12px 0 8px; }
.step p { color: var(--muted); font-size: 15px; }

/* ============ CTA BANNER ============ */
.cta-banner {
  background:
    linear-gradient(90deg, rgba(13,14,16,.94), rgba(13,14,16,.7)),
    repeating-linear-gradient(115deg, #16181c 0 2px, #121316 2px 60px), #101114;
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 60px 24px; flex-wrap: wrap; }
.cta-inner h2 { font-size: clamp(24px, 3vw, 34px); }

/* ============ CONTACT ============ */
.contact { background: var(--black); }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; }
.contact-details { list-style: none; margin-top: 30px; display: grid; gap: 20px; }
.contact-details li { display: grid; gap: 3px; }
.contact-details strong { text-transform: uppercase; font-size: 12px; letter-spacing: 2px; color: var(--accent); }
.contact-details a, .contact-details span { color: var(--text); }
.contact-form { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 34px; display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { display: grid; gap: 7px; }
.field-full { grid-column: 1 / -1; }
.field label { font-size: 13px; color: var(--muted); letter-spacing: .3px; }
.field input, .field select, .field textarea {
  background: var(--black); border: 1px solid var(--line); border-radius: var(--radius);
  color: var(--text); padding: 12px 14px; font-family: inherit; font-size: 15px; transition: border-color .2s;
}
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--accent); }
.contact-form .btn-block { grid-column: 1 / -1; }
.form-note { grid-column: 1 / -1; color: var(--muted); font-size: 12px; text-align: center; }

/* ============ FOOTER ============ */
.site-footer { background: var(--panel); border-top: 1px solid var(--line); padding-top: 60px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 46px; }
.footer-brand img { height: 60px; margin-bottom: 16px; color: var(--text); }
.footer-brand p { color: var(--muted); max-width: 280px; }
.footer-col h4 { font-size: 14px; text-transform: uppercase; letter-spacing: 2px; margin-bottom: 16px; color: var(--text); }
.footer-col ul { list-style: none; display: grid; gap: 10px; }
.footer-col a { color: var(--muted); font-size: 15px; transition: color .2s; }
.footer-col a:hover { color: var(--accent); }
.footer-bottom {
  display: flex; justify-content: space-between; padding: 22px 24px;
  border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; flex-wrap: wrap; gap: 8px;
}

/* ============ RESPONSIVE ============ */
@media (max-width: 900px) {
  .cards, .project-grid, .steps { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 34px 20px; }
  .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .about-media { min-height: 280px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .nav-toggle { display: flex; order: 3; }
  .header-phone { order: 2; }
  .nav-list {
    order: 4;
    position: absolute; top: 96px; left: 0; right: 0; flex-direction: column; gap: 0;
    background: var(--panel); border-bottom: 1px solid var(--line);
    max-height: 0; overflow: hidden; transition: max-height .35s var(--ease);
  }
  .nav-list.open { max-height: 400px; }
  .nav-list li { width: 100%; border-top: 1px solid var(--line); }
  .nav-list a { display: block; padding: 16px 24px; }
  .nav-cta { border: 0; border-radius: 0; color: var(--accent) !important; }
}
@media (max-width: 560px) {
  .cards, .project-grid, .steps, .footer-grid { grid-template-columns: 1fr; }
  .contact-form { grid-template-columns: 1fr; }
  .section { padding: 68px 0; }
  .header-inner { height: 80px; }
  .logo img { height: 56px; }
  .nav-list { top: 80px; }
  .header-phone { padding: 8px 12px; font-size: 15px; }
  .header-phone-num { display: none; }
}