/* =========================================================
   Stecore Systems — website styles
   Brand: Navy #0B2340 · Slate #64748B · Gold #D4AF37 · Light #F5F7FA
   ========================================================= */
:root {
  --navy: #0B2340;
  --navy-2: #0F2C50;
  --navy-3: #16365F;
  --slate: #64748B;
  --gold: #D4AF37;
  --gold-dark: #9A7B16;
  --light: #F5F7FA;
  --line: #E2E7EF;
  --text: #1F2A3A;
  --white: #FFFFFF;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(11, 35, 64, .08);
  --max: 1180px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body {
  font-family: 'Montserrat', Arial, sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.65;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
[hidden] { display: none !important; }
a { color: inherit; text-decoration: none; }
.container { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 24px; }
.eyebrow {
  font-size: 12px; font-weight: 600; letter-spacing: .22em; text-transform: uppercase;
  color: var(--gold-dark);
}
.on-dark .eyebrow, .hero .eyebrow { color: var(--gold); }
h1, h2, h3 { color: var(--navy); line-height: 1.2; font-weight: 700; }
h2 { font-size: clamp(26px, 3.2vw, 38px); margin: 10px 0 14px; }
h3 { font-size: 19px; margin-bottom: 8px; }
.lead { color: var(--slate); font-size: 17px; max-width: 680px; }
section { padding: 96px 0; }
.section-head { margin-bottom: 48px; }
.section-head.center { text-align: center; }
.section-head.center .lead { margin: 0 auto; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 26px; border-radius: 999px; font-weight: 600; font-size: 15px;
  border: 2px solid transparent; transition: all .2s ease; cursor: pointer; font-family: inherit;
}
.btn-gold { background: var(--gold); color: var(--navy); }
.btn-gold:hover { background: #E2C25A; transform: translateY(-1px); }
.btn-outline { border-color: rgba(255,255,255,.55); color: var(--white); }
.btn-outline:hover { border-color: var(--white); background: rgba(255,255,255,.06); }
.btn-navy { background: var(--navy); color: var(--white); }
.btn-navy:hover { background: var(--navy-3); }
.btn .arrow { transition: transform .2s; }
.btn:hover .arrow { transform: translateX(3px); }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: var(--navy); border-bottom: 1px solid rgba(255,255,255,.08);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 76px; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark { width: 40px; height: 40px; flex: none; }
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-name { color: var(--white); font-weight: 700; font-size: 19px; }
.brand-tag { color: var(--gold); font-size: 9.5px; letter-spacing: .2em; font-weight: 500; margin-top: 4px; }
.menu { display: flex; align-items: center; gap: 24px; }
.menu a, .btn, .brand-tag, .brand-name { white-space: nowrap; }
.menu a { color: #D7DEE8; font-size: 14.5px; font-weight: 500; }
.menu a:hover { color: var(--white); }
.nav-right { display: flex; align-items: center; gap: 16px; }
.lang { display: flex; border: 1px solid rgba(255,255,255,.25); border-radius: 999px; overflow: hidden; }
.lang a { color: #C9D2DF; font-size: 12px; font-weight: 600; padding: 6px 11px; }
.lang a.active { background: rgba(255,255,255,.12); color: var(--white); }
.nav .btn { padding: 10px 20px; font-size: 14px; }
.menu-toggle { display: none; background: none; border: 0; color: var(--white); cursor: pointer; padding: 6px; }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden; color: var(--white);
  background:
    radial-gradient(1200px 500px at 85% 10%, rgba(212,175,55,.10), transparent 60%),
    linear-gradient(160deg, var(--navy) 0%, var(--navy-2) 55%, #0A1E37 100%);
  padding: 110px 0 120px;
}
.hero-pattern { position: absolute; right: -60px; top: 50%; transform: translateY(-50%); width: 620px; opacity: .9; pointer-events: none; }
.hero-content { position: relative; max-width: 640px; }
.hero h1 { color: var(--white); font-size: clamp(36px, 5.2vw, 60px); margin: 18px 0 22px; letter-spacing: -.01em; }
.hero h1 span { color: var(--gold); }
.hero p { color: #C9D2DF; font-size: 18px; max-width: 560px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 34px; }
.hero-points { display: flex; flex-wrap: wrap; gap: 12px 28px; margin-top: 48px; }
.hero-points li { list-style: none; display: flex; align-items: center; gap: 9px; color: #DCE3EC; font-size: 14px; font-weight: 500; }
.hero-points svg { width: 18px; height: 18px; color: var(--gold); flex: none; }

/* ---------- Services ---------- */
.services { background: var(--light); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.card {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px 26px; transition: transform .2s, box-shadow .2s, border-color .2s;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: #D5DCE6; }
.icon {
  width: 56px; height: 56px; border-radius: 14px; background: var(--navy);
  display: grid; place-items: center; margin-bottom: 20px;
}
.icon svg { width: 28px; height: 28px; color: var(--white); }
.icon svg .accent { color: var(--gold); stroke: var(--gold); }
.card p { color: var(--slate); font-size: 15px; }

/* ---------- Packages ---------- */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.pkg {
  position: relative; background: var(--white); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 32px 28px; display: flex; flex-direction: column;
}
.pkg::before { content: ""; position: absolute; left: 28px; top: 0; width: 44px; height: 3px; background: var(--gold); border-radius: 0 0 3px 3px; }
.pkg .num { font-size: 13px; font-weight: 700; color: var(--gold-dark); letter-spacing: .12em; }
.pkg h3 { margin-top: 10px; }
.pkg p { color: var(--slate); font-size: 15px; margin-bottom: 14px; }
.pkg ul { list-style: none; margin-bottom: 24px; flex: 1; }
.pkg li { position: relative; padding-left: 22px; font-size: 14.5px; margin: 7px 0; }
.pkg li::before { content: ""; position: absolute; left: 0; top: 9px; width: 8px; height: 8px; border-radius: 50%; background: var(--gold); }
.pkg .link { font-weight: 600; color: var(--navy); font-size: 14.5px; display: inline-flex; gap: 8px; align-items: center; }
.pkg .link:hover { color: var(--gold-dark); }
.pkg.featured { background: var(--navy); border-color: var(--navy); color: #DCE3EC; }
.pkg.featured h3, .pkg.featured .link { color: var(--white); }
.pkg.featured p { color: #B8C3D3; }
.pkg.featured .num { color: var(--gold); }
.badge { position: absolute; top: 22px; right: 22px; background: var(--gold); color: var(--navy); font-size: 11px; font-weight: 700; padding: 4px 10px; border-radius: 999px; letter-spacing: .04em; }

/* ---------- Approach ---------- */
.approach { background: var(--navy); color: #DCE3EC; }
.approach h2 { color: var(--white); }
.approach .lead { color: #B8C3D3; }
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; counter-reset: step; }
.step { position: relative; padding: 28px 24px; border: 1px solid rgba(255,255,255,.12); border-radius: var(--radius); background: rgba(255,255,255,.03); }
.step .n { width: 42px; height: 42px; border-radius: 50%; border: 2px solid var(--gold); color: var(--gold); display: grid; place-items: center; font-weight: 700; margin-bottom: 18px; }
.step h3 { color: var(--white); font-size: 18px; }
.step p { font-size: 14.5px; color: #B8C3D3; }

/* ---------- Why ---------- */
.why-wrap { display: grid; grid-template-columns: 1fr 1.1fr; gap: 64px; align-items: center; }
.why-list { display: grid; gap: 18px; }
.why-item { display: flex; gap: 18px; padding: 22px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--white); }
.why-item .dot { flex: none; width: 44px; height: 44px; border-radius: 12px; background: var(--light); display: grid; place-items: center; }
.why-item .dot svg { width: 22px; height: 22px; color: var(--navy); }
.why-item h3 { font-size: 17px; margin-bottom: 4px; }
.why-item p { color: var(--slate); font-size: 14.5px; }
.why-visual { background: var(--light); border-radius: 20px; padding: 40px; position: relative; overflow: hidden; }
.why-visual .quote { font-size: 22px; font-weight: 600; color: var(--navy); line-height: 1.45; }
.why-visual .quote span { color: var(--gold-dark); }
.why-visual .sig { margin-top: 18px; color: var(--slate); font-size: 14px; }
.why-visual svg.big { position: absolute; right: -40px; bottom: -40px; width: 220px; opacity: .12; }

/* ---------- Contact / Quote ---------- */
.contact { background: var(--light); }
.contact-wrap { display: grid; grid-template-columns: .9fr 1.1fr; gap: 48px; align-items: start; }
.info-list { margin-top: 28px; display: grid; gap: 16px; }
.info-list div { display: flex; gap: 14px; align-items: center; }
.info-list .ic { width: 42px; height: 42px; border-radius: 12px; background: var(--navy); display: grid; place-items: center; flex: none; }
.info-list .ic svg { width: 20px; height: 20px; color: var(--gold); }
.info-list small { display: block; color: var(--slate); font-size: 12px; text-transform: uppercase; letter-spacing: .12em; }
.info-list strong { color: var(--navy); font-weight: 600; }
.form-card { background: var(--white); border: 1px solid var(--line); border-radius: 18px; padding: 34px; box-shadow: var(--shadow); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-grid .full { grid-column: 1 / -1; }
label { font-size: 13px; font-weight: 600; color: var(--navy); display: block; margin-bottom: 6px; }
input, select, textarea {
  width: 100%; font-family: inherit; font-size: 15px; color: var(--text);
  border: 1px solid #CFD7E2; border-radius: 10px; padding: 12px 14px; background: var(--white);
  transition: border-color .15s, box-shadow .15s;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--navy); box-shadow: 0 0 0 3px rgba(11,35,64,.1); }
textarea { min-height: 120px; resize: vertical; }
.hp { position: absolute; left: -9999px; }
.form-note { font-size: 12.5px; color: var(--slate); margin-top: 12px; }
.alert { padding: 14px 16px; border-radius: 10px; margin-bottom: 18px; font-size: 14.5px; font-weight: 500; display: none; }
.alert.ok { background: #E8F5EC; color: #1E6B3A; display: block; }
.alert.err { background: #FDECEC; color: #9B1C1C; display: block; }

/* ---------- CTA band ---------- */
.cta { background: linear-gradient(120deg, var(--navy), var(--navy-3)); color: var(--white); padding: 64px 0; }
.cta .container { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.cta h2 { color: var(--white); margin: 0 0 6px; font-size: clamp(22px, 2.6vw, 30px); }
.cta p { color: #B8C3D3; }

/* ---------- Footer ---------- */
.site-footer { background: #081A30; color: #9AA6B8; padding: 56px 0 28px; font-size: 14px; }
.foot { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; padding-bottom: 36px; border-bottom: 1px solid rgba(255,255,255,.08); }
.foot h4 { color: var(--white); font-size: 13px; letter-spacing: .14em; text-transform: uppercase; margin-bottom: 14px; }
.foot ul { list-style: none; display: grid; gap: 8px; }
.foot a:hover { color: var(--white); }
.foot p { max-width: 340px; margin-top: 16px; }
.copy { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; padding-top: 22px; font-size: 13px; }

/* ---------- Responsive ---------- */
@media (max-width: 1020px) {
  .grid-4, .steps { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .why-wrap, .contact-wrap { grid-template-columns: 1fr; gap: 40px; }
  .hero-pattern { opacity: .35; }
}
@media (max-width: 1140px) {
  .menu {
    display: none; position: absolute; top: 76px; left: 0; right: 0; background: var(--navy);
    flex-direction: column; gap: 0; padding: 8px 24px 20px; border-bottom: 1px solid rgba(255,255,255,.1);
  }
  .menu.open { display: flex; }
  .menu a { padding: 12px 0; width: 100%; border-bottom: 1px solid rgba(255,255,255,.06); }
  .menu-toggle { display: block; }
  .nav .btn { display: none; }
}
@media (max-width: 640px) {
  section { padding: 68px 0; }
  .container { padding: 0 16px; }
  .grid-4, .grid-3, .steps, .form-grid, .foot { grid-template-columns: 1fr; }
  .hero { padding: 72px 0 84px; }
  .hero-pattern { display: none; }
  .brand-tag { display: none; }
  .form-card { padding: 24px 18px; }
  .why-visual { padding: 28px; }
}

/* ---------- 2026-10: Үйлчилгээний жагсаалт, бидний тухай ---------- */
.card { display: flex; flex-direction: column; }
.card .mini { list-style: none; margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--line); }
.card .mini li { position: relative; padding-left: 18px; font-size: 14px; margin: 6px 0; color: var(--text); }
.card .mini li::before { content: ""; position: absolute; left: 0; top: 9px; width: 7px; height: 7px; border-radius: 50%; background: var(--gold); }
.card-cta { background: var(--navy); border-color: var(--navy); justify-content: center; }
.card-cta h3 { color: var(--white); font-size: 22px; }
.card-cta p { color: #B8C3D3; margin-bottom: 24px; }
.card-cta .btn { align-self: flex-start; }
.card-cta:hover { border-color: var(--navy); }
.about-text { color: var(--slate); font-size: 16px; margin-bottom: 28px; }
.stats { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 26px; position: relative; }
.stat { background: var(--white); border: 1px solid var(--line); border-radius: 12px; padding: 16px 18px; }
.stat strong { display: block; font-size: 30px; font-weight: 700; color: var(--navy); line-height: 1.1; }
.stat span { display: block; font-size: 13px; color: var(--slate); margin-top: 4px; }
.cert-h { font-size: 15px; letter-spacing: .04em; margin-bottom: 10px; position: relative; }
.certs { list-style: none; display: grid; gap: 8px; position: relative; }
.certs li { display: flex; align-items: center; gap: 10px; font-weight: 600; color: var(--navy); font-size: 15px; }
.certs svg { width: 18px; height: 18px; color: var(--gold-dark); flex: none; }
@media (max-width: 640px) {
  .stat strong { font-size: 24px; }
}
.hero-content { max-width: 720px; }

/* ---------- 2026-10 v2: салбар, эрхэм зорилго, хүсэлтийн төрөл ---------- */
.sectors { background: var(--white); border-bottom: 1px solid var(--line); padding: 26px 0; }
.sectors-wrap { display: flex; align-items: center; gap: 24px; flex-wrap: wrap; }
.sectors-h { font-size: 12px; font-weight: 600; letter-spacing: .18em; text-transform: uppercase; color: var(--gold-dark); white-space: nowrap; }
.chips { list-style: none; display: flex; flex-wrap: wrap; gap: 10px; }
.chips li { font-size: 14px; font-weight: 500; color: var(--navy); background: var(--light); border: 1px solid var(--line); border-radius: 999px; padding: 7px 16px; }
.mission { border-left: 3px solid var(--gold); padding: 4px 0 4px 18px; margin-bottom: 28px; }
.mission h3 { font-size: 15px; margin-bottom: 4px; }
.mission p { color: var(--slate); font-size: 15px; }
.why-h { font-size: 22px; margin-bottom: 20px; }
.about .why-wrap { align-items: start; }
.cta-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.req-type { border: 0; display: flex; gap: 12px; flex-wrap: wrap; }
.req-type legend { font-size: 13px; font-weight: 600; color: var(--navy); margin-bottom: 8px; width: 100%; }
.req-type label { margin: 0; cursor: pointer; }
.req-type input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.req-type span { display: inline-block; padding: 10px 18px; border: 1px solid #CFD7E2; border-radius: 999px; font-size: 14px; font-weight: 600; color: var(--navy); transition: all .15s; }
.req-type input:checked + span { background: var(--navy); border-color: var(--navy); color: var(--white); }
.req-type input:focus-visible + span { box-shadow: 0 0 0 3px rgba(11,35,64,.2); }
.foot { grid-template-columns: 1.4fr 1fr 1fr 1fr; }
@media (max-width: 1020px) { .foot { grid-template-columns: 1fr 1fr; } }
@media (max-width: 640px) {
  .foot { grid-template-columns: 1fr; }
  .sectors-wrap { gap: 12px; }
  .chips li { font-size: 13px; padding: 6px 12px; }
  .cta-actions .btn { width: 100%; justify-content: center; }
}
.hero-content { max-width: 800px; }
.hero h1 { font-size: clamp(32px, 4.2vw, 50px); }
.hero p { max-width: 640px; }
.btn[disabled] { opacity: .7; cursor: wait; }