/* ============================================================
   SUMWAY BUSINESS LIMITED — site stylesheet
   Palette: ink navy / warm gold / paper / slate / stone
   Type: Source Serif 4 (headlines) + Inter (body)
   ============================================================ */

:root{
  --ink:      #101b2c;
  --ink-2:    #16273f;
  --gold:     #b8893a;
  --gold-lt:  #d9b158;
  --paper:    #f7f4ee;
  --paper-2:  #efe9dd;
  --slate:    #333c47;
  --stone:    #7c8590;
  --line:     rgba(16,27,44,0.12);
  --line-lt:  rgba(255,255,255,0.18);
  --max:      1180px;
}

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

body{
  margin:0;
  background: var(--paper);
  color: var(--slate);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1,h2,h3,h4{
  font-family: 'Source Serif 4', Georgia, serif;
  color: var(--ink);
  font-weight: 600;
  line-height: 1.18;
  margin: 0 0 0.5em;
}

p{ margin: 0 0 1em; max-width: 62ch; }
a{ color: inherit; }
img{ max-width: 100%; display:block; }

.wrap{ max-width: var(--max); margin: 0 auto; padding: 0 40px; }

/* ---------- header / nav ---------- */
.site-header{
  position: sticky; top: 0; z-index: 50;
  background: rgba(247,244,238,0.94);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap{
  display:flex; align-items:center; justify-content:space-between;
  height: 84px;
}
.brand{ display:flex; align-items:center; gap:12px; text-decoration:none; }
.brand img{ height: 34px; }
.brand span{
  font-family:'Source Serif 4', serif; font-weight:600; letter-spacing:2px;
  color: var(--ink); font-size: 19px;
}
.nav-toggle-input{ display:none; }
.nav-toggle-btn{ display:none; }
nav.main-nav{ display:flex; gap: 40px; align-items:center; }
.lang-switch{
  display:flex; align-items:center; gap:6px; margin-left:8px;
  font-size:13px; color: var(--stone);
}
.lang-switch a{ text-decoration:none; color: var(--stone); }
.lang-switch a.active{ color: var(--ink); font-weight:600; }
.lang-switch span{ color: var(--line); }
nav.main-nav a{
  text-decoration:none; color: var(--slate); font-size: 15px;
  padding: 6px 0; border-bottom: 2px solid transparent;
  transition: border-color .2s, color .2s;
}
nav.main-nav a:hover, nav.main-nav a.active{
  color: var(--ink); border-color: var(--gold);
}

/* ---------- hero ---------- */
.hero{
  position: relative;
  min-height: 640px;
  display:flex; align-items:flex-end;
  background-size: cover; background-position: center;
  color: #fff;
}
.hero::before{
  content:"";
  position:absolute; inset:0;
  background: linear-gradient(100deg, rgba(10,16,26,0.92) 0%, rgba(10,16,26,0.72) 38%, rgba(10,16,26,0.28) 68%, rgba(10,16,26,0.15) 100%);
}
.hero-inner{ position:relative; z-index:2; padding: 80px 0 68px; }
.hero-eyebrow{
  color: var(--gold-lt); font-size: 14px; letter-spacing: 3px; margin-bottom: 18px;
}
.hero h1{
  color:#fff; font-size: 52px; max-width: 14ch; margin-bottom: 22px;
}
.hero p.lede{
  color: rgba(255,255,255,0.86); font-size: 19px; max-width: 46ch; margin-bottom: 34px;
}
.hero-actions{ display:flex; gap: 28px; align-items:center; }

.btn{
  display:inline-block; padding: 14px 30px;
  background: var(--gold); color: #fff; text-decoration:none;
  font-size: 15px; letter-spacing: 0.5px; border-radius: 2px;
  transition: background .2s;
}
.btn:hover{ background: var(--gold-lt); }
.btn-ghost{
  background: transparent; color:#fff; border: 1px solid rgba(255,255,255,0.5);
}
.btn-ghost:hover{ background: rgba(255,255,255,0.12); border-color:#fff; }

.text-link{
  text-decoration:none; color: var(--ink); border-bottom: 1px solid var(--gold);
  padding-bottom: 2px; font-size: 15px;
}
.text-link:hover{ color: var(--gold); }

/* ---------- generic sections ---------- */
section{ padding: 96px 0; }
section.tight{ padding: 64px 0; }
.section-head{ max-width: 640px; margin-bottom: 52px; }
.section-head h2{ font-size: 34px; }
.section-head .kicker{ color: var(--gold); font-size: 14px; letter-spacing: 2px; margin-bottom: 12px; display:block; }

.bg-ink{ background: var(--ink); color: rgba(255,255,255,0.82); }
.bg-ink h2, .bg-ink h3, .bg-ink h4{ color:#fff; }
.bg-paper2{ background: var(--paper-2); }

hr.rule{ border:none; border-top:1px solid var(--line); margin: 0; }

/* ---------- intro / stats strip ---------- */
.intro-grid{
  display:grid; grid-template-columns: 1.3fr 1fr; gap: 64px; align-items:start;
}
.stat-list{ border-top:1px solid var(--line); }
.stat-row{
  display:flex; justify-content:space-between; align-items:baseline;
  padding: 22px 0; border-bottom: 1px solid var(--line);
}
.stat-row .num{ font-family:'Source Serif 4', serif; font-size: 30px; color: var(--ink); }
.stat-row .label{ color: var(--stone); font-size: 14px; text-align:right; max-width: 20ch; }

/* ---------- property type gallery (asymmetric) ---------- */
.type-grid{
  display:grid;
  grid-template-columns: repeat(6, 1fr);
  grid-auto-rows: 190px;
  gap: 18px;
}
.type-card{
  position:relative; overflow:hidden; border-radius: 3px;
  background-size:cover; background-position:center;
  color:#fff; text-decoration:none; display:flex; align-items:flex-end;
}
.type-card::after{
  content:""; position:absolute; inset:0;
  background: linear-gradient(180deg, rgba(16,27,44,0) 45%, rgba(16,27,44,0.82) 100%);
}
.type-card span{
  position:relative; z-index:2; padding: 18px 20px; font-size:15px; letter-spacing:0.4px;
}
.type-card.c1{ grid-column: 1 / 4; grid-row: 1 / 3; }
.type-card.c2{ grid-column: 4 / 7; grid-row: 1 / 2; }
.type-card.c3{ grid-column: 4 / 6; grid-row: 2 / 3; }
.type-card.c4{ grid-column: 6 / 7; grid-row: 2 / 3; }

/* ---------- markets row ---------- */
.markets-row{
  display:grid; grid-template-columns: repeat(3, 1fr); gap: 28px;
}
.market-card{ border: 1px solid var(--line); background:#fff; }
.market-card .img{ height: 190px; background-size:cover; background-position:center; }
.market-card .body{ padding: 24px 26px; }
.market-card h3{ font-size:20px; margin-bottom:8px; }
.market-card p{ font-size:15px; color: var(--stone); margin:0; }

/* ---------- CTA banner ---------- */
.cta-banner{
  background: var(--ink);
  color:#fff;
  padding: 64px 0;
}
.cta-banner .wrap{
  display:flex; align-items:center; justify-content:space-between; gap: 40px; flex-wrap:wrap;
}
.cta-banner h2{ color:#fff; font-size: 28px; margin:0; max-width: 26ch; }

/* ---------- footer ---------- */
footer{
  background: var(--ink); color: rgba(255,255,255,0.65);
  padding: 56px 0 34px; font-size: 14px;
}
footer .wrap{
  display:grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px;
}
footer .brand span{ color:#fff; }
footer h4{ color: rgba(255,255,255,0.9); font-size:14px; letter-spacing:1px; margin-bottom:16px; font-family:'Inter',sans-serif; }
footer a{ text-decoration:none; color: rgba(255,255,255,0.65); display:block; margin-bottom:10px; }
footer a:hover{ color: var(--gold-lt); }
footer .bottom{
  max-width: var(--max); margin: 40px auto 0; padding: 24px 40px 0;
  border-top: 1px solid rgba(255,255,255,0.12);
  font-size: 13px; color: rgba(255,255,255,0.45);
}

/* ---------- page hero (inner pages, shorter) ---------- */
.page-hero{
  position:relative; min-height: 360px; display:flex; align-items:center;
  background-size:cover; background-position:center; color:#fff;
}
.page-hero::before{
  content:""; position:absolute; inset:0;
  background: linear-gradient(100deg, rgba(10,16,26,0.90) 10%, rgba(10,16,26,0.55) 70%);
}
.page-hero-inner{ position:relative; z-index:2; padding: 64px 0; }
.page-hero .kicker{ color: var(--gold-lt); font-size:14px; letter-spacing:3px; margin-bottom:14px; display:block; }
.page-hero h1{ color:#fff; font-size:44px; max-width: 18ch; margin:0; }

/* ---------- about page ---------- */
.about-lead{
  display:grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items:center;
}
.about-lead img{ width:100%; height: 420px; object-fit: cover; border-radius: 3px; }
.pull-quote{
  border-left: 3px solid var(--gold);
  padding-left: 28px; margin: 48px 0;
  font-family:'Source Serif 4', serif; font-size: 24px; color: var(--ink);
  max-width: 52ch; line-height:1.5;
}
.credentials-list{ list-style:none; padding:0; margin: 0; }
.credentials-list li{
  padding: 20px 0; border-top: 1px solid var(--line);
  display:grid; grid-template-columns: 200px 1fr; gap: 24px;
}
.credentials-list li:last-child{ border-bottom: 1px solid var(--line); }
.credentials-list .k{ color: var(--gold); font-size:14px; letter-spacing: 0.5px; }
.credentials-list .v{ color: var(--slate); font-size:15.5px; }

/* ---------- services page ---------- */
.service-row{
  display:grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items:center;
  padding: 72px 0; border-bottom: 1px solid var(--line);
}
.service-row:last-child{ border-bottom:none; }
.service-row.rev .img{ order: 2; }
.service-row .img{ height: 340px; background-size:cover; background-position:center; border-radius:3px; }
.service-num{ color: var(--gold); font-family:'Source Serif 4', serif; font-size: 16px; margin-bottom: 10px; display:block; }
.service-row h3{ font-size: 27px; margin-bottom: 16px; }
.service-row p{ color: var(--slate); font-size: 16px; }
.service-row ul{ margin: 18px 0 0; padding: 0; list-style:none; }
.service-row ul li{
  padding-left: 20px; position:relative; margin-bottom:10px; color: var(--stone); font-size: 14.5px;
}
.service-row ul li::before{
  content:""; position:absolute; left:0; top:9px; width:8px; height:1px; background: var(--gold);
}

/* ---------- contact page ---------- */
.contact-grid{
  display:grid; grid-template-columns: 1fr 1fr; gap: 64px;
}
.contact-card{ background:#fff; border:1px solid var(--line); padding: 40px; }
.contact-card h3{ font-size:22px; margin-bottom: 22px; }
.contact-row{ display:grid; grid-template-columns: 90px 1fr; padding: 16px 0; border-top:1px solid var(--line); }
.contact-row:first-of-type{ border-top:none; }
.contact-row .k{ color: var(--gold); font-size: 13.5px; letter-spacing:0.5px; padding-top:2px; }
.contact-row .v{ font-size: 15.5px; }
.contact-row .v a{ text-decoration:none; color: var(--ink); }
.contact-row .v a:hover{ color: var(--gold); }
.map-frame{ width:100%; height: 100%; min-height: 380px; border:1px solid var(--line); border-radius:0; }
.map-frame iframe{ width:100%; height:100%; min-height:380px; border:0; display:block; }
.contact-photo{ width:100%; height:100%; min-height:380px; overflow:hidden; }
.contact-photo img{ width:100%; height:100%; min-height:380px; object-fit:cover; display:block; }

/* ---------- responsive ---------- */
@media (max-width: 880px){
  .wrap{ padding: 0 20px; }

  .site-header .wrap{ height: 68px; position: relative; }
  .brand img{ height: 28px; }
  .brand span{ font-size: 16px; }

  .nav-toggle-btn{
    display:flex; align-items:center; justify-content:center;
    width: 40px; height:40px; cursor:pointer; z-index:60;
  }
  .nav-toggle-btn span, .nav-toggle-btn::before, .nav-toggle-btn::after{
    content:""; display:block; width:22px; height:2px; background: var(--ink);
    position:relative; transition: transform .2s, opacity .2s;
  }
  .nav-toggle-btn::before{ transform: translateY(-7px); }
  .nav-toggle-btn::after{ transform: translateY(5px); }
  .nav-toggle-input:checked ~ .nav-toggle-btn span{ opacity:0; }
  .nav-toggle-input:checked ~ .nav-toggle-btn::before{ transform: translateY(1px) rotate(45deg); }
  .nav-toggle-input:checked ~ .nav-toggle-btn::after{ transform: translateY(-1px) rotate(-45deg); }

  nav.main-nav{
    position:absolute; top:68px; left:0; right:0;
    background: var(--paper);
    flex-direction:column; align-items:stretch; gap:0;
    max-height:0; overflow:hidden;
    transition: max-height .28s ease;
    border-bottom: 1px solid var(--line);
    box-shadow: 0 12px 20px rgba(16,27,44,0.08);
  }
  .nav-toggle-input:checked ~ nav.main-nav{ max-height: 360px; }
  nav.main-nav a{
    padding: 16px 20px; border-top: 1px solid var(--line); border-bottom:none;
    font-size:15px;
  }
  nav.main-nav a.active{ border-left: 3px solid var(--gold); background: var(--paper-2); }
  .lang-switch{ padding: 16px 20px; border-top:1px solid var(--line); margin-left:0; }

  section{ padding: 56px 0; }
  section.tight{ padding: 40px 0; }
  .section-head{ margin-bottom: 32px; }
  .section-head h2{ font-size: 26px; }

  .hero{ min-height: 480px; }
  .hero-inner{ padding: 48px 0 44px; }
  .hero h1{ font-size: 30px; max-width: none; }
  .hero p.lede{ font-size: 15.5px; }
  .hero-actions{ flex-direction:column; align-items:flex-start; gap:14px; width:100%; }
  .hero-actions .btn{ width:100%; text-align:center; }

  .page-hero{ min-height: 260px; }
  .page-hero h1{ font-size: 28px; max-width:none; }

  .intro-grid, .about-lead, .contact-grid, .service-row{ grid-template-columns: 1fr; gap: 32px; }
  .about-lead img{ height: 240px; }
  .stat-row{ padding: 16px 0; }
  .stat-row .num{ font-size: 24px; }

  .service-row{ padding: 40px 0; }
  .service-row.rev .img{ order: 0; }
  .service-row .img{ height: 220px; }
  .service-row h3{ font-size: 22px; }

  .credentials-list li{ grid-template-columns: 1fr; gap:6px; padding: 16px 0; }

  .markets-row{ grid-template-columns: 1fr; gap: 18px; }
  .market-card .img{ height: 160px; }

  footer .wrap{ grid-template-columns: 1fr; gap: 28px; }
  footer .bottom{ padding: 20px 20px 0; }

  .type-grid{ grid-template-columns: repeat(2,1fr); grid-auto-rows: 130px; gap:12px; }
  .type-card.c1,.type-card.c2,.type-card.c3,.type-card.c4,.type-card.c5,.type-card.c6{
    grid-column: auto; grid-row: span 1;
  }
  .type-card span{ font-size: 13px; padding: 12px; }

  .cta-banner{ padding: 44px 0; }
  .cta-banner .wrap{ flex-direction:column; align-items:flex-start; gap:20px; }
  .cta-banner h2{ font-size: 22px; }

  .contact-card{ padding: 26px; }
  .contact-photo{ min-height: 220px; }
  .contact-photo img{ min-height: 220px; }

  .pull-quote{ font-size: 19px; padding-left: 20px; }
}

@media (max-width: 480px){
  .wrap{ padding: 0 16px; }
  .hero h1{ font-size: 26px; }
  .section-head h2{ font-size: 22px; }
}