:root {
  --ink: #12151a;
  --ink-soft: #1c2128;
  --ink-line: #2c333d;
  --paper: #f7f5f1;
  --paper-dim: #ece8e0;
  --amber: #e8973a;
  --amber-light: #f2b566;
  --slate: #5b6472;
  --slate-light: #8b93a1;
  --white: #ffffff;
  --radius: 4px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --maxw: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

a { color: inherit; }

h1, h2, h3, h4 {
  margin: 0 0 .5em;
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.15;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 14px;
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 2px;
  background: var(--amber);
  display: inline-block;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 26px;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 15px;
  text-decoration: none;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: transform .15s ease, background .15s ease, border-color .15s ease, color .15s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--amber); color: var(--ink); }
.btn-primary:hover { background: var(--amber-light); }
.btn-ghost { border-color: rgba(255,255,255,0.28); color: var(--white); }
.btn-ghost:hover { border-color: var(--amber); color: var(--amber-light); }
.btn-outline { border-color: var(--ink); color: var(--ink); }
.btn-outline:hover { border-color: var(--amber); color: var(--amber); background: transparent; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(18,21,26,0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--white); }
.brand img { width: 40px; height: 40px; }
.brand .name { font-weight: 800; font-size: 16px; line-height: 1.2; }
.brand .name small { display: block; font-weight: 500; font-size: 11px; letter-spacing: .08em; color: var(--slate-light); text-transform: uppercase; }

.nav-links { display: flex; gap: 34px; list-style: none; margin: 0; padding: 0; }
.nav-links a {
  color: rgba(255,255,255,0.78);
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .01em;
  transition: color .15s ease;
}
.nav-links a:hover { color: var(--amber-light); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span { width: 24px; height: 2px; background: var(--white); border-radius: 2px; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  background: var(--ink);
  color: var(--white);
  overflow: hidden;
  padding: 96px 0 110px;
}
.hero-pattern {
  position: absolute;
  inset: 0;
  background: url("../img/topo-pattern.svg") repeat;
  background-size: 400px 400px;
  pointer-events: none;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(60% 60% at 78% 20%, rgba(232,151,58,0.16), transparent 70%);
  pointer-events: none;
}
.hero .wrap { position: relative; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}
.hero h1 { font-size: 46px; max-width: 15ch; }
.hero h1 span { color: var(--amber-light); }
.hero p.lead {
  font-size: 17px;
  color: rgba(255,255,255,0.72);
  max-width: 46ch;
  margin: 0 0 32px;
}
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
  overflow: hidden;
  margin-top: 56px;
}
.hero-stats div { background: rgba(255,255,255,0.03); padding: 22px 18px; }
.hero-stats strong { display: block; font-size: 28px; font-weight: 800; color: var(--amber-light); }
.hero-stats span { font-size: 12.5px; color: var(--slate-light); text-transform: uppercase; letter-spacing: .06em; }

.hero-card {
  background: var(--ink-soft);
  border: 1px solid var(--ink-line);
  border-radius: 8px;
  padding: 28px;
}
.hero-card .row { display: flex; gap: 16px; padding: 16px 0; border-bottom: 1px solid var(--ink-line); }
.hero-card .row:last-child { border-bottom: none; }
.hero-card .row .ic {
  flex: none;
  width: 42px; height: 42px;
  border-radius: 8px;
  background: rgba(232,151,58,0.14);
  display: flex; align-items: center; justify-content: center;
  color: var(--amber-light);
  font-weight: 800;
}
.hero-card .row h4 { margin: 0 0 4px; font-size: 15px; color: var(--white); }
.hero-card .row p { margin: 0; font-size: 13.5px; color: var(--slate-light); }

/* ---------- Section shell ---------- */
section { padding: 96px 0; }
.section-head { max-width: 640px; margin: 0 0 52px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head h2 { font-size: 33px; }
.section-head p { color: var(--slate); font-size: 16px; margin: 0; }

.section-dark { background: var(--ink); color: var(--white); }
.section-dark .section-head p { color: var(--slate-light); }
.section-alt { background: var(--paper-dim); }

/* ---------- About ---------- */
.about-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 64px; align-items: center; }
.about-art {
  aspect-ratio: 4/5;
  border-radius: 10px;
  background:
    linear-gradient(160deg, rgba(232,151,58,0.9), rgba(28,33,40,0.9)),
    repeating-linear-gradient(135deg, rgba(255,255,255,0.06) 0 2px, transparent 2px 14px);
  position: relative;
  overflow: hidden;
}
.about-art::before {
  content: "SLJ";
  position: absolute;
  right: -10px; bottom: -30px;
  font-size: 180px;
  font-weight: 800;
  color: rgba(255,255,255,0.08);
  letter-spacing: -0.04em;
}
.about-copy p { color: var(--slate); font-size: 15.5px; }
.about-list { list-style: none; margin: 28px 0 0; padding: 0; display: grid; gap: 14px; }
.about-list li { display: flex; gap: 12px; align-items: flex-start; font-size: 14.5px; color: var(--ink); }
.about-list li::before {
  content: "";
  flex: none;
  width: 20px; height: 20px;
  margin-top: 2px;
  border-radius: 50%;
  background: var(--amber);
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath fill='black' d='M8 13.5 4.5 10l-1 1L8 15.5l9-9-1-1z'/%3E%3C/svg%3E") center/60% no-repeat;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath fill='black' d='M8 13.5 4.5 10l-1 1L8 15.5l9-9-1-1z'/%3E%3C/svg%3E") center/60% no-repeat;
}

/* ---------- Vision / Mission ---------- */
.vm-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.vm-card {
  background: var(--white);
  border: 1px solid rgba(0,0,0,0.06);
  border-radius: 10px;
  padding: 34px;
}
.vm-card .tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 14px;
}
.vm-card p { color: var(--slate); margin: 0; font-size: 15px; }
.vm-card ul { margin: 14px 0 0; padding-left: 18px; color: var(--slate); font-size: 15px; }
.vm-card ul li { margin-bottom: 8px; }

/* ---------- Business lines ---------- */
.biz-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.biz-card {
  background: var(--ink-soft);
  border: 1px solid var(--ink-line);
  border-radius: 10px;
  padding: 28px 24px;
  transition: border-color .15s ease, transform .15s ease;
}
.biz-card:hover { border-color: var(--amber); transform: translateY(-4px); }
.biz-card .num {
  font-size: 13px;
  font-weight: 800;
  color: var(--amber-light);
  letter-spacing: .06em;
  margin-bottom: 18px;
}
.biz-card h3 { font-size: 18px; color: var(--white); margin-bottom: 10px; }
.biz-card p { font-size: 13.8px; color: var(--slate-light); margin: 0; }

/* ---------- Legal / certification ---------- */
.legal-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.legal-card {
  background: var(--white);
  border: 1px solid rgba(0,0,0,0.07);
  border-radius: 10px;
  padding: 26px;
  text-align: center;
}
.legal-card .badge {
  width: 56px; height: 56px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: rgba(232,151,58,0.12);
  color: var(--amber);
  display: flex; align-items: center; justify-content: center;
  font-weight: 800;
  font-size: 15px;
}
.legal-card h4 { font-size: 15.5px; margin-bottom: 8px; }
.legal-card p { font-size: 13.5px; color: var(--slate); margin: 0; }
.legal-note {
  margin-top: 28px;
  font-size: 12.5px;
  color: var(--slate-light);
  text-align: center;
}

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 56px; }
.contact-info { display: grid; gap: 22px; align-content: start; }
.contact-item { display: flex; gap: 16px; }
.contact-item .ic {
  flex: none;
  width: 44px; height: 44px;
  border-radius: 9px;
  background: rgba(232,151,58,0.12);
  color: var(--amber);
  display: flex; align-items: center; justify-content: center;
  font-weight: 800;
}
.contact-item h4 { margin: 0 0 4px; font-size: 14.5px; }
.contact-item p { margin: 0; font-size: 14px; color: var(--slate); }

.form-card {
  background: var(--white);
  border: 1px solid rgba(0,0,0,0.07);
  border-radius: 10px;
  padding: 32px;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { margin-bottom: 18px; }
.field label { display: block; font-size: 13px; font-weight: 700; margin-bottom: 7px; }
.field input, .field textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: var(--radius);
  border: 1.5px solid #dcd8d0;
  font-family: inherit;
  font-size: 14.5px;
  background: var(--paper);
}
.field input:focus, .field textarea:focus { outline: none; border-color: var(--amber); }
.field textarea { resize: vertical; min-height: 110px; }
.form-note { font-size: 12.5px; color: var(--slate-light); margin-top: 10px; }

/* ---------- Footer ---------- */
.site-footer { background: var(--ink); color: var(--slate-light); padding: 56px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 40px; padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,0.08); }
.footer-brand .brand { margin-bottom: 14px; }
.footer-brand p { font-size: 13.5px; max-width: 32ch; }
.site-footer h5 { color: var(--white); font-size: 13px; letter-spacing: .06em; text-transform: uppercase; margin-bottom: 16px; }
.site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.site-footer a { color: var(--slate-light); text-decoration: none; font-size: 14px; }
.site-footer a:hover { color: var(--amber-light); }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 24px; font-size: 12.5px; flex-wrap: wrap; gap: 10px;
}

/* ---------- Reveal-on-scroll ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .hero-grid, .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .about-art { max-width: 380px; }
  .vm-grid { grid-template-columns: 1fr; }
  .biz-grid { grid-template-columns: repeat(2, 1fr); }
  .legal-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
}

@media (max-width: 720px) {
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  .hero { padding: 64px 0 72px; }
  .hero h1 { font-size: 32px; }
  .hero-stats { grid-template-columns: 1fr; }
  section { padding: 64px 0; }
  .biz-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}

.site-header.nav-open .nav-links {
  display: flex;
  position: absolute;
  top: 76px; left: 0; right: 0;
  flex-direction: column;
  background: var(--ink);
  padding: 20px 24px 28px;
  gap: 18px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}