:root {
  --bg: #f5f7fa;
  --surface: #ffffff;
  --surface-alt: #eef4f7;
  --text: #18222d;
  --muted: #526171;
  --line: #d9e1e8;
  --primary: #0c5a68;
  --primary-dark: #083d47;
  --accent: #c98522;
  --success: #1f7a5a;
  --shadow: 0 18px 40px rgba(16, 35, 52, 0.08);
  --radius: 20px;
  --radius-sm: 14px;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
}
img { max-width: 100%; display: block; }
a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-dark); }
.container { width: min(calc(100% - 32px), var(--max)); margin: 0 auto; }
.section { padding: 72px 0; }
.section-sm { padding: 48px 0; }
.eyebrow {
  display: inline-block;
  margin-bottom: 12px;
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--primary);
  font-weight: 800;
}
.section-title {
  margin: 0 0 12px;
  font-size: clamp(1.9rem, 4vw, 3rem);
  line-height: 1.15;
}
.section-intro {
  max-width: 760px;
  margin: 0;
  color: var(--muted);
  font-size: 1.05rem;
}
.muted { color: var(--muted); }
.kicker { color: var(--accent); font-weight: 700; }
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 999px;
  font-weight: 700;
  border: 1px solid transparent;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
  background: linear-gradient(135deg, #0f766e, #14b8a6);/*#0f766e; /* strong teal */
  color: #ffffff; /* high contrast */
  padding: 10px 18px;
  border-radius: 999px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s ease;
  border: none;
}

.btn-primary:hover {
  background: #115e59; /* darker on hover */
  transform: translateY(-1px);
}
.nav .btn-primary {
  margin-left: 10px;
  box-shadow: 0 4px 12px rgba(15, 118, 110, 0.25);
}
.btn-secondary { background: #fff; color: var(--text); border-color: var(--line); }
.btn-secondary:hover { background: #f8fafc; color: var(--text); }
/*.btn-ghost { color: #fff; border-color: rgba(255,255,255,0.4); }*/
.btn-ghost {
  background: transparent;
  color: #0f766e;
  border: 1px solid #cbd5f5;
}
.btn-ghost:hover { background: rgba(255,255,255,0.08); color: #fff; }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; }
.skip-link {
  position: absolute;
  left: 16px;
  top: -48px;
  background: #111;
  color: #fff;
  padding: 10px 14px;
  border-radius: 10px;
  z-index: 1000;
}
.skip-link:focus { top: 16px; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 999;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(217,225,232,0.8);
}
.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 76px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  color: var(--text);
  font-weight: 800;
}
.brand img {
  width: 44px;
  height: 44px;
  object-fit: contain;
  border-radius: 10px;
}
.brand small {
  display: block;
  font-size: 0.82rem;
  color: var(--muted);
  font-weight: 600;
}
.nav-toggle {
  display: none;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  width: 46px;
  height: 46px;
  cursor: pointer;
}
.nav-toggle span,
.nav-toggle::before,
.nav-toggle::after {
  display: block;
  width: 20px;
  height: 2px;
  margin: 0 auto;
  background: var(--text);
  content: '';
  transition: 0.2s ease;
}
.nav-toggle span { margin: 6px auto; }
.nav {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.nav a {
  color: var(--text);
  font-weight: 650;
  padding: 10px 14px;
  border-radius: 999px;
}
.nav a.active {
  background: #e6f4f1;
  color: #0f766e;
  border-radius: 999px;
  font-weight: 600;
}
.nav a:hover,
.nav a[aria-current="page"] {
  background: var(--surface-alt);
  color: var(--primary-dark);
}
.hero {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(7, 28, 37, 0.88), rgba(12, 90, 104, 0.8)),
    url('../images/benjamin-yap.jpg') center 18% / cover no-repeat;
  color: #fff;
}
.hero::after {
  content: '';
  position: absolute;
  inset: auto -10% -120px auto;
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, rgba(255,255,255,0.18), rgba(255,255,255,0));
  pointer-events: none;
}
.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.35fr 0.85fr;
  gap: 32px;
  align-items: center;
  min-height: calc(100vh - 76px);
  padding: 96px 0 72px;
}
.hero-copy h1 {
  margin: 0 0 18px;
  font-size: clamp(2.4rem, 5vw, 4.6rem);
  line-height: 0.98;
  letter-spacing: -0.03em;
}
.hero-copy p {
  max-width: 700px;
  margin: 0 0 16px;
  font-size: 1.08rem;
  color: rgba(255,255,255,0.9);
}
.hero-note {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: 999px;
  margin-bottom: 18px;
  font-weight: 700;
}
.hero-card {
  padding: 24px;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.16);
  border-radius: 24px;
  box-shadow: 0 16px 44px rgba(0,0,0,0.18);
}
.hero-card h2 {
  margin-top: 0;
  font-size: 1.2rem;
}
.hero-list {
  list-style: none;
  padding: 0;
  margin: 16px 0 0;
}
.hero-list li {
  padding: 12px 0;
  border-top: 1px solid rgba(255,255,255,0.15);
  color: rgba(255,255,255,0.9);
}
.hero-list li:first-child { border-top: 0; padding-top: 0; }
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 28px;
}
.stat {
  padding: 18px;
  border-radius: 18px;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.15);
}
.stat strong {
  display: block;
  font-size: 1.55rem;
  line-height: 1;
  margin-bottom: 8px;
}
.grid-2 { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 28px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.about-card { padding: 28px; }
.about-list,
.check-list,
.clean-list {
  list-style: none;
  padding: 0;
  margin: 18px 0 0;
}
.about-list li,
.check-list li,
.clean-list li {
  position: relative;
  padding-left: 28px;
  margin-bottom: 14px;
}
.about-list li::before,
.check-list li::before,
.clean-list li::before {
  content: '•';
  position: absolute;
  left: 6px;
  top: 0;
  color: var(--accent);
  font-weight: 900;
}
.service-card,
.trust-card,
.skill-card,
.contact-card,
.brand-card,
.timeline-card,
.case-card { padding: 24px; }
.service-card h3,
.trust-card h3,
.skill-card h3,
.brand-card h3,
.case-card h3,
.timeline-card h3 {
  margin-top: 0;
  margin-bottom: 10px;
  font-size: 1.18rem;
}
.service-card p,
.trust-card p,
.skill-card p,
.brand-card p,
.timeline-card p,
.case-card p {
  margin: 0;
  color: var(--muted);
}
.logo-wall {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  align-items: stretch;
}
.logo-item {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 132px;
  padding: 22px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 18px;
}
.logo-item img {
  max-height: 64px;
  width: auto;
  object-fit: contain;
}
.band { background: var(--surface-alt); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.cta {
  padding: 36px;
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  color: #fff;
  border-radius: 28px;
  display: grid;
  gap: 20px;
  align-items: center;
  grid-template-columns: 1.2fr auto;
}
.cta h2, .cta p { margin: 0; }
.contact-grid,
.footer-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 24px; }
.contact-card p,
.contact-card li { color: var(--muted); }
.contact-list {
  list-style: none;
  padding: 0;
  margin: 16px 0 0;
}
.contact-list li { margin-bottom: 12px; }
.contact-list strong {
  display: inline-block;
  min-width: 92px;
  color: var(--text);
}
.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.form-group { display: grid; gap: 8px; }
.form-group.full { grid-column: 1 / -1; }
label { font-weight: 700; }
input, textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px 16px;
  font: inherit;
  color: var(--text);
  background: #fff;
}
input:focus, textarea:focus {
  outline: 2px solid rgba(12, 90, 104, 0.18);
  border-color: var(--primary);
}
textarea { min-height: 160px; resize: vertical; }
.notice {
  margin-top: 14px;
  font-size: 0.95rem;
  color: var(--muted);
}
.site-footer {
  background: #0f1720;
  color: rgba(255,255,255,0.84);
  padding: 26px 0 42px;
}
.site-footer a { color: #fff; }
.site-footer p { margin: 0 0 10px; }
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 12px;
}
.footer-brand img {
  width: 46px;
  height: 46px;
  object-fit: contain;
  border-radius: 10px;
  background: rgba(255,255,255,0.06);
  padding: 5px;
}
.list-inline {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 16px;
  padding: 0;
  margin: 16px 0 0;
  list-style: none;
}
.list-inline a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  background: rgba(255,255,255,0.06);
  border-radius: 999px;
}
.page-hero {
  padding: 96px 0 52px;
  background: linear-gradient(180deg, #f8fbfd, #eef4f7);
  border-bottom: 1px solid var(--line);
}
.page-hero p { max-width: 760px; color: var(--muted); font-size: 1.05rem; }
.breadcrumbs {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  font-weight: 700;
  color: var(--muted);
  margin-bottom: 12px;
}
.timeline {
  display: grid;
  gap: 18px;
}
.case-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.badge {
  display: inline-flex;
  padding: 7px 12px;
  border-radius: 999px;
  background: var(--surface-alt);
  color: var(--primary-dark);
  font-weight: 700;
  font-size: 0.92rem;
}
.small { font-size: 0.94rem; }

@media (max-width: 1080px) {
  .hero-grid,
  .grid-2,
  .contact-grid,
  .footer-grid,
  .cta,
  .case-grid { grid-template-columns: 1fr; }
  .logo-wall { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 860px) {
  .nav-toggle { display: inline-flex; flex-direction: column; justify-content: center; }
  .nav {
    position: absolute;
    left: 16px;
    right: 16px;
    top: calc(100% + 10px);
    display: none;
    padding: 14px;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 18px;
    box-shadow: var(--shadow);
  }
  .nav.open { display: grid; gap: 6px; }
  .nav a, .nav .btn { width: 100%; justify-content: center; }
  .hero-grid { min-height: auto; padding: 76px 0 56px; }
  .stats,
  .grid-3,
  .logo-wall,
  .form-grid { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .section { padding: 56px 0; }
  .section-sm { padding: 36px 0; }
  .hero-copy h1 { font-size: 2.4rem; }
  .hero-card,
  .about-card,
  .service-card,
  .trust-card,
  .skill-card,
  .contact-card,
  .brand-card,
  .timeline-card,
  .case-card,
  .cta { padding: 22px; }
  .contact-list strong { display: block; margin-bottom: 3px; }
}