/* Sysin Co., Limited — shared styles */
:root {
  --navy: #0B1D36;
  --navy-soft: #132A4A;
  --navy-muted: #1E3A5F;
  --gray: #6B7280;
  --gray-mid: #8B919A;
  --gray-soft: #E5E7EB;
  --gold: #C4A35A;
  --gold-light: #F3D98A;
  --gold-deep: #B4842A;
  --ink: #142033;
  --text: #334155;
  --text-muted: #64748B;
  --line: #E2E8F0;
  --bg: #FFFFFF;
  --bg-soft: #F7F8FA;
  --bg-warm: #FBF8F1;
  --whatsapp: #25D366;
  --whatsapp-dark: #1DA851;
  --radius: 14px;
  --radius-sm: 10px;
  --shadow: 0 10px 30px rgba(11, 29, 54, 0.08);
  --shadow-lg: 0 24px 60px rgba(11, 29, 54, 0.14);
  --container: 1120px;
  --font: "Plus Jakarta Sans", system-ui, -apple-system, sans-serif;
  --font-display: "Cormorant Garamond", Georgia, serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.65;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button, input, select, textarea { font: inherit; }

.container { width: min(100% - 2rem, var(--container)); margin-inline: auto; }
.section { padding: 4.5rem 0; }
.section--soft { background: var(--bg-soft); }
.section--navy { background: var(--navy); color: #fff; }
.section--warm { background: var(--bg-warm); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold-deep);
  margin-bottom: 0.85rem;
}
.eyebrow::before {
  content: "";
  width: 1.25rem;
  height: 2px;
  background: var(--gold);
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.85rem);
  font-weight: 600;
  color: var(--navy);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}
.section-lead {
  max-width: 36rem;
  color: var(--text-muted);
  font-size: 1.05rem;
}
.section-head { margin-bottom: 2.5rem; }
.section-head--center { text-align: center; }
.section-head--center .section-lead { margin-inline: auto; }
.section-head--center .eyebrow { justify-content: center; }
.section-head--center .eyebrow::before { display: none; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 0.85rem 1.4rem;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.95rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform .2s ease, background .2s ease, color .2s ease, box-shadow .2s ease, border-color .2s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn--primary {
  background: var(--navy);
  color: #fff;
  box-shadow: 0 8px 20px rgba(11, 29, 54, 0.22);
}
.btn--primary:hover { background: var(--navy-soft); }
.btn--gold {
  background: linear-gradient(180deg, var(--gold-light), var(--gold) 55%, var(--gold-deep));
  color: var(--navy);
  box-shadow: 0 8px 20px rgba(180, 132, 42, 0.28);
}
.btn--gold:hover { filter: brightness(1.03); }
.btn--outline {
  background: transparent;
  border-color: rgba(11, 29, 54, 0.18);
  color: var(--navy);
}
.btn--outline:hover { border-color: var(--navy); background: rgba(11, 29, 54, 0.03); }
.btn--outline-light {
  background: transparent;
  border-color: rgba(255,255,255,0.35);
  color: #fff;
}
.btn--outline-light:hover { background: rgba(255,255,255,0.08); border-color: #fff; }
.btn--whatsapp {
  background: var(--whatsapp);
  color: #fff;
  box-shadow: 0 8px 20px rgba(37, 211, 102, 0.28);
}
.btn--whatsapp:hover { background: var(--whatsapp-dark); }
.btn--lg { padding: 1rem 1.7rem; font-size: 1rem; }
.btn-row { display: flex; flex-wrap: wrap; gap: 0.85rem; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.9);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: 1rem;
}
.brand { display: flex; align-items: center; flex-shrink: 0; }
.brand-lockup { display: inline-flex; align-items: center; gap: 0.75rem; }
.brand-lockup img { height: 44px; width: 44px; object-fit: contain; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-text .name { font-family: var(--font); font-weight: 800; font-size: 1.05rem; color: var(--navy); letter-spacing: 0.02em; }
.brand-text .tag { font-size: 0.68rem; font-weight: 600; color: var(--gray); letter-spacing: 0.08em; text-transform: uppercase; margin-top: 0.15rem; }
.site-footer .brand-text .name { color: #fff; }
.site-footer .brand-text .tag { color: rgba(255,255,255,0.55); }
.site-footer .brand-lockup img { height: 48px; width: 48px; background: #fff; border-radius: 10px; padding: 4px; }
.nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}
.nav a {
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--text);
  position: relative;
}
.nav a:hover, .nav a.is-active { color: var(--navy); }
.nav a.is-active::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -6px;
  height: 2px;
  background: var(--gold);
  border-radius: 2px;
}
.header-cta { display: flex; align-items: center; gap: 0.65rem; }
.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  width: 18px; height: 2px;
  background: var(--navy);
  position: relative;
}
.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  position: absolute;
  left: 0; width: 18px; height: 2px;
  background: var(--navy);
}
.nav-toggle span::before { top: -6px; }
.nav-toggle span::after { top: 6px; }

/* Hero */
.hero {
  position: relative;
  padding: 5rem 0 4.5rem;
  background:
    radial-gradient(ellipse 80% 60% at 85% 10%, rgba(217,174,79,0.18), transparent 55%),
    radial-gradient(ellipse 70% 50% at 10% 90%, rgba(30,58,95,0.12), transparent 50%),
    linear-gradient(165deg, #0B1D36 0%, #132A4A 48%, #1A3358 100%);
  color: #fff;
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 80px;
  background: linear-gradient(180deg, transparent, rgba(255,255,255,0.04));
  pointer-events: none;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3rem;
  align-items: center;
}
.hero .eyebrow { color: var(--gold-light); }
.hero .eyebrow::before { background: var(--gold); }
.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 5.5vw, 4rem);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin-bottom: 1.15rem;
}
.hero h1 em {
  font-style: italic;
  color: var(--gold-light);
}
.hero-copy {
  color: rgba(255,255,255,0.78);
  font-size: 1.1rem;
  max-width: 34rem;
  margin-bottom: 1.75rem;
}
.hero-panel {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 20px;
  padding: 1.5rem;
  backdrop-filter: blur(8px);
  box-shadow: var(--shadow-lg);
}
.hero-panel h3 {
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold-light);
  margin-bottom: 1rem;
}
.hero-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem;
}
.stat {
  background: rgba(11, 29, 54, 0.35);
  border-radius: 12px;
  padding: 1rem;
}
.stat strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.65rem;
  color: #fff;
  line-height: 1.1;
}
.stat span {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.65);
}

/* Pillars */
.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}
.pillar {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.75rem 1.5rem;
  box-shadow: var(--shadow);
  transition: transform .2s ease, box-shadow .2s ease;
}
.pillar:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.pillar-icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  display: grid; place-items: center;
  background: linear-gradient(145deg, var(--bg-warm), #fff);
  border: 1px solid rgba(217,174,79,0.35);
  margin-bottom: 1.1rem;
  color: var(--gold-deep);
  font-size: 1.35rem;
}
.pillar h3 {
  color: var(--navy);
  font-size: 1.2rem;
  margin-bottom: 0.55rem;
}
.pillar p { color: var(--text-muted); font-size: 0.95rem; }
.pillar a {
  display: inline-flex;
  margin-top: 1rem;
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--navy);
}
.pillar a:hover { color: var(--gold-deep); }

/* Product cards */
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}
.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  transition: transform .2s ease, box-shadow .2s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.card-media {
  aspect-ratio: 16 / 11;
  background:
    linear-gradient(145deg, rgba(11,29,54,0.08), rgba(217,174,79,0.15)),
    repeating-linear-gradient(45deg, transparent, transparent 10px, rgba(11,29,54,0.03) 10px, rgba(11,29,54,0.03) 20px);
  display: grid;
  place-items: center;
  position: relative;
  color: var(--navy-muted);
  font-weight: 700;
  letter-spacing: 0.08em;
  font-size: 0.75rem;
  text-transform: uppercase;
}
.card-media .badge {
  position: absolute;
  top: 0.85rem; left: 0.85rem;
  background: var(--navy);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.35rem 0.65rem;
  border-radius: 999px;
}
.card-media .badge--gold {
  background: linear-gradient(180deg, var(--gold-light), var(--gold));
  color: var(--navy);
}
.card-body { padding: 1.25rem 1.25rem 1.4rem; display: flex; flex-direction: column; flex: 1; }
.card-body h3 {
  color: var(--navy);
  font-size: 1.1rem;
  margin-bottom: 0.4rem;
  line-height: 1.3;
}
.card-meta {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-bottom: 0.75rem;
}
.card-body p {
  color: var(--text-muted);
  font-size: 0.92rem;
  flex: 1;
  margin-bottom: 1rem;
}
.card-actions { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.card-actions .btn { padding: 0.65rem 1rem; font-size: 0.85rem; }

/* Category blocks on products */
.category-block { margin-bottom: 3.5rem; }
.category-block:last-child { margin-bottom: 0; }
.category-intro {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}
.category-intro h2 {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 3vw, 2.2rem);
  color: var(--navy);
  line-height: 1.2;
}
.category-intro p { color: var(--text-muted); max-width: 32rem; }

/* CTA band */
.cta-band {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 2rem;
  align-items: center;
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-soft) 100%);
  color: #fff;
  border-radius: 24px;
  padding: 2.5rem;
  box-shadow: var(--shadow-lg);
}
.cta-band h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  margin-bottom: 0.65rem;
  line-height: 1.15;
}
.cta-band p { color: rgba(255,255,255,0.75); margin-bottom: 1.25rem; max-width: 32rem; }
.cta-band .btn-row { margin-top: 0.25rem; }

/* About */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}
.about-points { display: grid; gap: 1rem; margin-top: 1.5rem; }
.about-point {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.9rem;
  padding: 1rem 1.1rem;
  background: var(--bg-soft);
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
}
.about-point strong { color: var(--navy); display: block; margin-bottom: 0.2rem; }
.about-point span { color: var(--text-muted); font-size: 0.92rem; }
.check {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: rgba(217,174,79,0.18);
  color: var(--gold-deep);
  display: grid; place-items: center;
  font-weight: 800;
  flex-shrink: 0;
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 2rem;
  align-items: start;
}
.contact-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.75rem;
  box-shadow: var(--shadow);
}
.contact-card h2 {
  font-family: var(--font-display);
  font-size: 1.8rem;
  color: var(--navy);
  margin-bottom: 0.5rem;
}
.contact-list { margin-top: 1.5rem; display: grid; gap: 1.1rem; }
.contact-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.9rem;
  align-items: start;
}
.contact-item .icon {
  width: 42px; height: 42px;
  border-radius: 12px;
  background: var(--bg-warm);
  border: 1px solid rgba(217,174,79,0.3);
  display: grid; place-items: center;
  color: var(--navy);
  font-size: 1.05rem;
}
.contact-item strong {
  display: block;
  color: var(--navy);
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 0.2rem;
}
.contact-item a, .contact-item p {
  color: var(--text);
  font-weight: 600;
}
.contact-item a:hover { color: var(--gold-deep); }
.contact-item .sub { color: var(--text-muted); font-weight: 400; font-size: 0.9rem; margin-top: 0.15rem; }

.form {
  display: grid;
  gap: 1rem;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.field label {
  display: block;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 0.4rem;
}
.field input,
.field select,
.field textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.85rem 1rem;
  background: #fff;
  color: var(--ink);
  transition: border-color .2s ease, box-shadow .2s ease;
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--gold);
  box-shadow: 0 0 0 4px rgba(217,174,79,0.18);
}
.field textarea { min-height: 130px; resize: vertical; }
.form-note {
  font-size: 0.85rem;
  color: var(--text-muted);
}
.form-success {
  display: none;
  margin-top: 1rem;
  padding: 1rem 1.1rem;
  border-radius: 12px;
  background: rgba(37, 211, 102, 0.1);
  border: 1px solid rgba(37, 211, 102, 0.35);
  color: #166534;
  font-weight: 600;
}
.form-success.is-visible { display: block; }

/* Page hero (inner pages) */
.page-hero {
  padding: 3.5rem 0 2.75rem;
  background:
    radial-gradient(ellipse 60% 80% at 90% 0%, rgba(217,174,79,0.16), transparent 50%),
    linear-gradient(160deg, #0B1D36, #132A4A);
  color: #fff;
}
.page-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  line-height: 1.1;
  margin-bottom: 0.75rem;
}
.page-hero p {
  color: rgba(255,255,255,0.75);
  max-width: 36rem;
  font-size: 1.05rem;
}
.page-hero .eyebrow { color: var(--gold-light); }

/* Footer */
.site-footer {
  background: var(--navy);
  color: rgba(255,255,255,0.78);
  padding: 3.5rem 0 1.5rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr 1.1fr;
  gap: 2rem;
  margin-bottom: 2.5rem;
}
.footer-brand p { margin-top: 0.9rem; font-size: 0.92rem; max-width: 18rem; }
.footer-col h4 {
  color: #fff;
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}
.footer-col a, .footer-col p {
  display: block;
  font-size: 0.92rem;
  margin-bottom: 0.55rem;
  color: rgba(255,255,255,0.72);
}
.footer-col a:hover { color: var(--gold-light); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 1.25rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.55);
}

/* Floating WhatsApp */
.wa-float {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 90;
  width: 56px; height: 56px;
  border-radius: 50%;
  background: var(--whatsapp);
  color: #fff;
  display: grid; place-items: center;
  box-shadow: 0 10px 28px rgba(37, 211, 102, 0.45);
  transition: transform .2s ease, background .2s ease;
}
.wa-float:hover { transform: scale(1.06); background: var(--whatsapp-dark); }
.wa-float svg { width: 28px; height: 28px; }

/* Utilities */
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); border: 0;
}
.mt-2 { margin-top: 2rem; }

@media (max-width: 960px) {
  .hero-grid,
  .about-grid,
  .contact-grid,
  .cta-band,
  .footer-grid { grid-template-columns: 1fr; }
  .pillars, .cards { grid-template-columns: 1fr 1fr; }
  .nav-toggle { display: inline-flex; }
  .nav, .header-cta .btn--outline { display: none; }
  .nav.is-open {
    display: flex;
    position: absolute;
    top: 72px; left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: #fff;
    border-bottom: 1px solid var(--line);
    padding: 0.5rem 1rem 1rem;
    box-shadow: var(--shadow);
  }
  .nav.is-open a {
    padding: 0.85rem 0.5rem;
    border-bottom: 1px solid var(--line);
  }
  .nav.is-open a.is-active::after { display: none; }
}
@media (max-width: 640px) {
  .pillars, .cards, .form-row, .hero-stats { grid-template-columns: 1fr; }
  .hero { padding: 3.5rem 0 3rem; }
  .cta-band { padding: 1.75rem; }
  .header-cta .btn span.hide-sm { display: none; }
}