/* The Best Eng Pte Ltd — shared styles */

:root{
  --accent: #BD5532;
  --accent-dark: #9c4527;
  --accent-soft: #B4C1F0;
  --ink: #2A2829;
  --ink-soft: #5b5758;
  --bg: #ffffff;
  --bg-tint: #F6F5F3;
  --bg-tint-blue: #F2F4FB;
  --line: #E4E1DE;
  --radius: 3px;
  --max: 1160px;
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img{ max-width:100%; display:block; }
a{ color: inherit; text-decoration:none; }
ul{ margin:0; padding:0; list-style:none; }
h1,h2,h3,h4{ margin:0; font-weight:700; letter-spacing:-0.01em; }
p{ margin:0; }
button{ font-family:inherit; }

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

.material-symbols-outlined{
  font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
  vertical-align: middle;
}

/* ===== Skip link / focus ===== */
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible{
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
.skip-link{
  position:absolute; left:-999px; top:auto;
  background:var(--accent); color:#fff; padding:10px 16px; z-index:200;
}
.skip-link:focus{ left:16px; top:16px; }

/* ===== Header ===== */
.site-header{
  position: sticky; top:0; z-index:100;
  background: rgba(255,255,255,0.94);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
}
.header-inner{
  display:flex; align-items:center; justify-content:space-between;
  padding: 16px 24px; max-width: var(--max); margin:0 auto;
}
.brand{ display:flex; align-items:baseline; gap:8px; }
.brand-mark{ font-size:1.3rem; font-weight:700; color: var(--ink); }
.brand-mark span{ color: var(--accent); }
.brand-full{ font-size: 0.72rem; color: var(--ink-soft); display:block; margin-top:2px; letter-spacing:0.01em; }

nav.main-nav{ display:flex; align-items:center; gap:32px; }
nav.main-nav ul{ display:flex; gap:28px; }
nav.main-nav a{
  font-size:0.95rem; font-weight:500; color: var(--ink);
  padding: 6px 2px; border-bottom: 2px solid transparent;
}
nav.main-nav a:hover{ color: var(--accent); }
nav.main-nav a.active{ color: var(--accent); border-bottom-color: var(--accent); }

.header-cta{ display:flex; align-items:center; gap:14px; }
.header-phone{ display:flex; align-items:center; gap:6px; font-size:0.9rem; font-weight:500; color: var(--ink-soft); }
.header-phone .material-symbols-outlined{ font-size:19px; color: var(--accent); }

.menu-toggle{
  display:none; background:none; border:none; cursor:pointer; padding:6px;
  color: var(--ink);
}

/* Buttons */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding: 12px 22px; border-radius: var(--radius);
  font-weight:600; font-size:0.92rem; border:1px solid transparent; cursor:pointer;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}
.btn-primary{ background: var(--accent); color:#fff; }
.btn-primary:hover{ background: var(--accent-dark); }
.btn-outline{ background:transparent; border-color: var(--ink); color: var(--ink); }
.btn-outline:hover{ border-color: var(--accent); color: var(--accent); }
.btn-outline-light{ background:transparent; border-color: rgba(255,255,255,0.6); color:#fff; }
.btn-outline-light:hover{ border-color:#fff; }
.btn-sm{ padding: 9px 16px; font-size:0.85rem; }
.btn .material-symbols-outlined{ font-size:19px; }

/* ===== Section basics ===== */
section{ padding: 88px 0; }
.section-tint{ background: var(--bg-tint); }
.section-tint-blue{ background: var(--bg-tint-blue); }
.eyebrow{ font-size:0.8rem; font-weight:600; color: var(--accent); margin-bottom:10px; }
.section-head{ max-width: 620px; margin-bottom:44px; }
.section-head h2{ font-size: clamp(1.7rem, 2.4vw, 2.2rem); margin-bottom:14px; }
.section-head p{ color: var(--ink-soft); font-size:1.02rem; }

/* ===== Hero ===== */
.hero{
  position:relative; padding: 0; border-bottom: 1px solid var(--line);
}
.hero-inner{
  display:grid; grid-template-columns: 1.05fr 0.95fr; align-items:center; gap:56px;
  max-width: var(--max); margin:0 auto; padding: 80px 24px;
}
.hero h1{ font-size: clamp(2.1rem, 3.6vw, 3rem); line-height:1.12; margin-bottom:20px; }
.hero-lead{ font-size:1.08rem; color: var(--ink-soft); margin-bottom:32px; max-width: 480px; }
.hero-actions{ display:flex; flex-wrap:wrap; align-items:center; gap:16px; }
.hero-phone{ display:flex; align-items:center; gap:8px; font-weight:600; font-size:0.95rem; }
.hero-phone .material-symbols-outlined{ color: var(--accent); }
.hero-art{
  background: var(--bg-tint-blue);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  aspect-ratio: 4/3.2;
  display:flex; align-items:center; justify-content:center;
  overflow:hidden;
}
.hero-art svg{ width:100%; height:100%; }

/* page hero (non-home) */
.page-hero{ border-bottom:1px solid var(--line); background: var(--bg-tint); }
.page-hero-inner{ max-width: var(--max); margin:0 auto; padding: 64px 24px 56px; }
.page-hero h1{ font-size: clamp(1.9rem, 3vw, 2.5rem); margin-bottom:14px; }
.page-hero p{ color: var(--ink-soft); font-size:1.02rem; max-width:600px; }
.breadcrumb{ font-size:0.85rem; color: var(--ink-soft); margin-bottom:18px; }
.breadcrumb a:hover{ color: var(--accent); }

/* ===== Service list (homepage style: list, not cards) ===== */
.service-list{ display:grid; grid-template-columns: repeat(3, 1fr); gap:0; border-top:1px solid var(--line); border-left:1px solid var(--line); }
.service-item{
  padding: 32px 28px; border-right:1px solid var(--line); border-bottom:1px solid var(--line);
}
.service-item .material-symbols-outlined{ font-size:30px; color: var(--accent); margin-bottom:16px; }
.service-item h3{ font-size:1.05rem; margin-bottom:8px; }
.service-item p{ color: var(--ink-soft); font-size:0.92rem; margin-bottom:14px; }
.service-item .learn{ font-size:0.85rem; font-weight:600; color: var(--accent); display:inline-flex; align-items:center; gap:4px; }
.service-item .learn .material-symbols-outlined{ font-size:16px; margin:0; color: var(--accent); }

/* ===== Detailed service blocks (services page) ===== */
.service-detail{
  display:grid; grid-template-columns: 1fr 1fr; gap:56px; align-items:center;
  padding: 56px 0; border-bottom:1px solid var(--line);
}
.service-detail:last-of-type{ border-bottom:none; }
.service-detail.reverse .service-detail-art{ order:2; }
.service-detail-icon{
  width:52px; height:52px; border-radius:var(--radius); background: var(--bg-tint-blue);
  display:flex; align-items:center; justify-content:center; margin-bottom:20px;
}
.service-detail-icon .material-symbols-outlined{ color: var(--accent); font-size:26px; }
.service-detail h3{ font-size:1.5rem; margin-bottom:14px; }
.service-detail p{ color: var(--ink-soft); margin-bottom:14px; }
.service-detail ul{ margin-top:16px; display:grid; gap:10px; }
.service-detail ul li{ display:flex; gap:10px; align-items:flex-start; font-size:0.94rem; color: var(--ink); }
.service-detail ul li .material-symbols-outlined{ color: var(--accent); font-size:19px; margin-top:1px; }
.service-detail-art{
  background: var(--bg-tint-blue); border:1px solid var(--line); border-radius: var(--radius);
  aspect-ratio: 4/3; display:flex; align-items:center; justify-content:center;
}
.service-detail-art svg{ width:70%; height:70%; }

/* ===== Trust / credentials ===== */
.trust-list{ display:grid; grid-template-columns: repeat(3, 1fr); gap: 40px 32px; }
.trust-item{ display:flex; gap:16px; }
.trust-item .material-symbols-outlined{ font-size:26px; color: var(--accent); flex-shrink:0; margin-top:2px; }
.trust-item h4{ font-size:1rem; margin-bottom:6px; }
.trust-item p{ font-size:0.9rem; color: var(--ink-soft); }

/* ===== About page value list ===== */
.value-grid{ display:grid; grid-template-columns: repeat(2,1fr); gap: 28px 40px; }
.value-item{ padding: 24px 0; border-top:1px solid var(--line); display:flex; gap:16px; }
.value-item .material-symbols-outlined{ color: var(--accent); font-size:24px; }
.value-item h4{ font-size:1rem; margin-bottom:6px; }
.value-item p{ font-size:0.9rem; color: var(--ink-soft); }

/* ===== Projects gallery ===== */
.project-list{ display:grid; gap: 64px; }
.project-row{ display:grid; grid-template-columns: 1.1fr 0.9fr; gap:48px; align-items:center; }
.project-row.reverse .project-art{ order:2; }
.project-art{
  background: var(--bg-tint-blue); border:1px solid var(--line); border-radius: var(--radius);
  aspect-ratio: 16/11; display:flex; align-items:center; justify-content:center; overflow:hidden;
}
.project-art svg{ width:55%; height:55%; }
.project-row h3{ font-size:1.3rem; margin-bottom:12px; }
.project-row p{ color: var(--ink-soft); }
.project-tag{ display:inline-block; font-size:0.78rem; font-weight:600; color: var(--accent); background: var(--bg-tint-blue); padding:5px 10px; border-radius:2px; margin-bottom:14px; }
.project-note{ margin-top:56px; padding:24px 28px; border:1px dashed var(--line); border-radius:var(--radius); color: var(--ink-soft); font-size:0.9rem; }

/* ===== CTA band ===== */
.cta-band{ background: var(--ink); color:#fff; border-radius: var(--radius); padding: 48px; display:flex; align-items:center; justify-content:space-between; gap:32px; flex-wrap:wrap; }
.cta-band h3{ font-size:1.5rem; margin-bottom:8px; }
.cta-band p{ color: rgba(255,255,255,0.7); }
.cta-actions{ display:flex; gap:14px; flex-wrap:wrap; }

/* ===== Contact page ===== */
.contact-grid{ display:grid; grid-template-columns: 0.9fr 1.1fr; gap:56px; align-items:start; }
.contact-card{ display:flex; gap:16px; padding:22px 0; border-top:1px solid var(--line); }
.contact-card:last-child{ border-bottom:1px solid var(--line); }
.contact-card .material-symbols-outlined{ color: var(--accent); font-size:24px; margin-top:2px; }
.contact-card h4{ font-size:0.98rem; margin-bottom:6px; }
.contact-card p, .contact-card a{ font-size:0.92rem; color: var(--ink-soft); display:block; }
.contact-card a:hover{ color: var(--accent); }
.social-row{ display:flex; gap:14px; margin-top:24px; }
.social-pill{ display:flex; align-items:center; gap:8px; padding:9px 14px; border:1px solid var(--line); border-radius: var(--radius); font-size:0.85rem; font-weight:500; }
.social-pill:hover{ border-color: var(--accent); color: var(--accent); }
.social-pill .material-symbols-outlined{ font-size:18px; }

/* Form */
.form-panel{ background: var(--bg-tint); border:1px solid var(--line); border-radius: var(--radius); padding: 36px; }
.form-row{ display:grid; grid-template-columns: 1fr 1fr; gap:18px; }
.field{ margin-bottom:18px; }
.field label{ display:block; font-size:0.85rem; font-weight:600; margin-bottom:7px; }
.field input, .field select, .field textarea{
  width:100%; padding: 11px 13px; border:1px solid var(--line); border-radius: var(--radius);
  font-family:inherit; font-size:0.92rem; background:#fff; color: var(--ink);
}
.field input:focus, .field select:focus, .field textarea:focus{ border-color: var(--accent); }
.field textarea{ resize:vertical; min-height:100px; }
.form-note{ font-size:0.82rem; color: var(--ink-soft); margin-top:14px; }
.form-success{ display:none; background:#EEF3EA; border:1px solid #cfe0c6; color:#2c4a20; padding:14px 16px; border-radius:var(--radius); font-size:0.9rem; margin-bottom:18px; }
.form-success.show{ display:flex; align-items:center; gap:8px; }

/* Map placeholder */
.map-block{ aspect-ratio: 16/8; background: var(--bg-tint-blue); border:1px solid var(--line); border-radius: var(--radius); display:flex; align-items:center; justify-content:center; margin-top:32px; gap:10px; color: var(--ink-soft); font-size:0.9rem; }
.map-block .material-symbols-outlined{ color: var(--accent); }

/* ===== Footer ===== */
footer{ background: var(--ink); color: rgba(255,255,255,0.82); padding: 64px 0 28px; }
.footer-grid{ display:grid; grid-template-columns: 1.4fr 1fr 1.2fr 1.2fr; gap: 40px; padding-bottom:40px; border-bottom:1px solid rgba(255,255,255,0.14); }
.footer-brand .brand-mark{ color:#fff; }
.footer-brand .brand-mark span{ color: var(--accent-soft); }
footer h5{ color:#fff; font-size:0.85rem; margin-bottom:16px; letter-spacing:0.02em; }
.footer-desc{ font-size:0.88rem; color: rgba(255,255,255,0.6); margin-top:12px; max-width:260px; }
footer ul li{ margin-bottom:10px; font-size:0.88rem; }
footer a:hover{ color: var(--accent-soft); }
.footer-contact li{ display:flex; align-items:flex-start; gap:8px; }
.footer-contact .material-symbols-outlined{ font-size:18px; color: var(--accent-soft); margin-top:1px; }
.footer-bottom{ display:flex; justify-content:space-between; align-items:center; padding-top:24px; font-size:0.8rem; color: rgba(255,255,255,0.5); flex-wrap:wrap; gap:12px; }
.footer-socials{ display:flex; gap:16px; }
.footer-socials a{ display:flex; }

/* ===== Mobile ===== */
@media (max-width: 920px){
  .hero-inner{ grid-template-columns:1fr; padding: 48px 24px; }
  .hero-art{ order:-1; aspect-ratio: 16/10; }
  .service-list{ grid-template-columns: repeat(2,1fr); }
  .trust-list{ grid-template-columns: repeat(2,1fr); }
  .value-grid{ grid-template-columns: 1fr; }
  .service-detail, .service-detail.reverse{ grid-template-columns:1fr; }
  .service-detail .service-detail-art{ order:-1 !important; }
  .project-row, .project-row.reverse{ grid-template-columns:1fr; }
  .project-row .project-art{ order:-1 !important; }
  .contact-grid{ grid-template-columns:1fr; }
  .footer-grid{ grid-template-columns: 1fr 1fr; }
}
@media (max-width: 760px){
  nav.main-nav ul{
    position:fixed; inset: 68px 0 0 0; background:#fff; flex-direction:column; gap:0;
    padding: 12px 24px; transform: translateY(-8px); opacity:0; pointer-events:none;
    transition: opacity 0.15s ease, transform 0.15s ease; border-top:1px solid var(--line);
    max-height: calc(100vh - 68px); overflow:auto;
  }
  nav.main-nav ul.open{ opacity:1; transform:none; pointer-events:auto; }
  nav.main-nav ul li{ border-bottom:1px solid var(--line); }
  nav.main-nav ul a{ display:block; padding: 16px 4px; }
  .header-phone{ display:none; }
  .header-cta .btn-primary{ padding: 10px 14px; font-size:0.82rem; }
  .menu-toggle{ display:flex; }
  .service-list{ grid-template-columns: 1fr; }
  .trust-list{ grid-template-columns: 1fr; }
  .form-row{ grid-template-columns:1fr; }
  .cta-band{ flex-direction:column; align-items:flex-start; }
  .footer-grid{ grid-template-columns: 1fr; gap:32px; }
  .footer-bottom{ flex-direction:column; align-items:flex-start; }
}