/* ============================================================
   Systek Technology — Website Stylesheet
   Theme: Light Brown / Warm Earth Tones
   Self-contained. No external dependencies.
   ============================================================ */

/* ---------- Design Tokens ---------- */
:root {
  /* Browns & earth tones */
  --brown-darkest: #3B2D26;
  --brown-dark: #5C463A;
  --brown: #8B6F47;
  --brown-light: #A89177;
  --tan: #C2A88A;
  --tan-light: #D9C4A9;
  --bg-warm: #F5EBE0;
  --bg-cream: #FBF7F0;
  --bg-card: #FFFFFF;

  /* Accents */
  --accent-amber: #D4A04C;
  --accent-amber-dark: #B8862E;
  --accent-teal: #4A7C7E;
  --accent-teal-dark: #356366;

  /* Neutrals */
  --text-primary: #2C2218;
  --text-secondary: #6B5D4F;
  --text-muted: #94897A;
  --white: #FFFFFF;
  --border: #E6DAC8;
  --border-strong: #D4C3A9;

  /* Typography */
  --font-sans: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  --font-serif: Georgia, "Times New Roman", "Cambria", serif;

  /* Spacing & shape */
  --radius-sm: 6px;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow-sm: 0 1px 3px rgba(59, 45, 38, 0.10);
  --shadow: 0 4px 14px rgba(59, 45, 38, 0.12);
  --shadow-lg: 0 10px 36px rgba(59, 45, 38, 0.16);
  --maxw: 1160px;
  --transition: 0.25s ease;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-sans);
  color: var(--text-primary);
  background: var(--bg-cream);
  line-height: 1.65;
  font-size: 16px;
  overflow-x: hidden;
}
img, svg { max-width: 100%; display: block; }
a { color: var(--accent-teal-dark); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--brown); }
ul { list-style: none; }
h1, h2, h3, h4 { font-family: var(--font-serif); color: var(--brown-darkest); line-height: 1.25; font-weight: 700; }
h1 { font-size: clamp(1.9rem, 4.5vw, 3rem); }
h2 { font-size: clamp(1.6rem, 3.2vw, 2.3rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.5rem); }
p { margin-bottom: 1em; }

/* ---------- Layout helpers ---------- */
.container { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.section { padding: 72px 0; }
.section-tight { padding: 48px 0; }
.bg-warm { background: var(--bg-warm); }
.bg-cream { background: var(--bg-cream); }
.bg-brown { background: var(--brown-darkest); color: var(--bg-cream); }
.bg-brown h2, .bg-brown h3 { color: var(--accent-amber); }
.text-center { text-align: center; }
.grid { display: grid; gap: 28px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .section { padding: 48px 0; }
  .container { padding: 0 18px; }
}

/* ---------- Section heading ---------- */
.section-head { text-align: center; max-width: 720px; margin: 0 auto 48px; }
.section-head .eyebrow {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent-amber-dark);
  margin-bottom: 12px;
}
.section-head p { color: var(--text-secondary); font-size: 1.05rem; }
.divider {
  width: 64px; height: 4px; border-radius: 2px;
  background: var(--accent-amber);
  margin: 16px auto 0;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 28px;
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.97rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  text-align: center;
}
.btn-primary { background: var(--accent-amber); color: var(--brown-darkest); }
.btn-primary:hover { background: var(--accent-amber-dark); color: var(--white); transform: translateY(-2px); box-shadow: var(--shadow); }
.btn-outline { background: transparent; color: var(--white); border-color: var(--tan); }
.btn-outline:hover { background: var(--white); color: var(--brown-darkest); border-color: var(--white); }
.btn-dark { background: var(--brown-darkest); color: var(--bg-cream); }
.btn-dark:hover { background: var(--brown-dark); transform: translateY(-2px); }
.btn-lg { padding: 16px 36px; font-size: 1.05rem; }

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(251, 247, 240, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.logo { display: flex; align-items: center; gap: 10px; }
.logo svg { width: 44px; height: 44px; }
.logo-text { display: flex; flex-direction: column; line-height: 1.1; }
.logo-text strong { font-family: var(--font-serif); font-size: 1.2rem; color: var(--brown-darkest); letter-spacing: 0.5px; }
.logo-text span { font-size: 0.7rem; color: var(--brown); letter-spacing: 1.5px; text-transform: uppercase; }

.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links a {
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-primary);
}
.nav-links a:hover { background: var(--bg-warm); color: var(--brown-darkest); }
.nav-links a.active { color: var(--accent-amber-dark); }

.nav-cta { display: flex; align-items: center; gap: 12px; }
.nav-phone { font-weight: 700; color: var(--brown-darkest); font-size: 0.95rem; white-space: nowrap; }

.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.nav-toggle span {
  display: block; width: 26px; height: 3px; border-radius: 2px;
  background: var(--brown-darkest); margin: 5px 0; transition: var(--transition);
}

@media (max-width: 860px) {
  .nav-links, .nav-cta .nav-phone { display: none; }
  .nav-links.open {
    display: flex; flex-direction: column;
    position: absolute; top: 72px; left: 0; right: 0;
    background: var(--bg-cream); border-bottom: 1px solid var(--border);
    padding: 16px; gap: 4px; box-shadow: var(--shadow);
  }
  .nav-toggle { display: block; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  background:
    linear-gradient(135deg, rgba(59,45,38,0.93) 0%, rgba(92,70,58,0.88) 50%, rgba(139,111,71,0.82) 100%);
  color: var(--bg-cream);
  overflow: hidden;
  padding: 90px 0 100px;
}
.hero::before {
  content: "";
  position: absolute; inset: 0;
  background-image: url("../assets/topo-pattern.svg");
  background-size: 420px;
  opacity: 0.10;
  pointer-events: none;
}
.hero-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px; align-items: center; position: relative; }
.hero .eyebrow {
  display: inline-block; font-size: 0.82rem; font-weight: 700; letter-spacing: 2px;
  text-transform: uppercase; color: var(--accent-amber); margin-bottom: 18px;
}
.hero h1 { color: var(--white); margin-bottom: 18px; }
.hero h1 .hl { color: var(--accent-amber); }
.hero p.lead { font-size: 1.15rem; color: var(--tan-light); margin-bottom: 30px; max-width: 540px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-art { display: flex; justify-content: center; }
.hero-art svg { width: 100%; max-width: 440px; }

.hero-stats {
  display: flex; gap: 36px; margin-top: 44px; flex-wrap: wrap;
  border-top: 1px solid rgba(194,168,138,0.3); padding-top: 28px;
}
.hero-stat .num { font-family: var(--font-serif); font-size: 2rem; font-weight: 700; color: var(--accent-amber); }
.hero-stat .label { font-size: 0.85rem; color: var(--tan-light); }

@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; text-align: center; }
  .hero-art { order: -1; }
  .hero p.lead { margin-left: auto; margin-right: auto; }
  .hero-actions, .hero-stats { justify-content: center; }
}

/* ---------- Page banner (inner pages) ---------- */
.page-banner {
  background:
    linear-gradient(135deg, rgba(59,45,38,0.92), rgba(92,70,58,0.85)),
    url("../assets/topo-pattern.svg");
  background-size: cover, 420px;
  background-blend-mode: overlay;
  color: var(--bg-cream);
  padding: 64px 0 56px;
  text-align: center;
}
.page-banner h1 { color: var(--white); margin-bottom: 10px; }
.page-banner p { color: var(--tan-light); font-size: 1.1rem; max-width: 640px; margin: 0 auto; }
.breadcrumb { font-size: 0.85rem; color: var(--tan); margin-top: 16px; }
.breadcrumb a { color: var(--accent-amber); }
.breadcrumb a:hover { color: var(--white); }

/* ---------- Cards ---------- */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px;
  transition: all var(--transition);
  height: 100%;
}
.card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); border-color: var(--tan); }
.card-icon {
  width: 56px; height: 56px; border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  background: var(--bg-warm); margin-bottom: 20px;
}
.card-icon svg { width: 30px; height: 30px; }
.card h3 { margin-bottom: 10px; }
.card p { color: var(--text-secondary); font-size: 0.96rem; margin-bottom: 0; }

/* ---------- Product card ---------- */
.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
  transition: all var(--transition);
  display: flex; flex-direction: column;
  position: relative;
  overflow: hidden;
}
.product-card::before {
  content: ""; position: absolute; top: 0; left: 0; width: 100%; height: 4px;
  background: linear-gradient(90deg, var(--accent-amber), var(--tan));
  transform: scaleX(0); transform-origin: left; transition: transform var(--transition);
}
.product-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); border-color: var(--tan); }
.product-card:hover::before { transform: scaleX(1); }
.product-card .product-icon {
  width: 52px; height: 52px; border-radius: var(--radius-sm);
  background: var(--bg-warm); display: flex; align-items: center; justify-content: center; margin-bottom: 16px;
}
.product-card .product-icon svg { width: 28px; height: 28px; }
.product-card h3 { font-size: 1.18rem; margin-bottom: 8px; }
.product-card .product-desc { color: var(--text-secondary); font-size: 0.93rem; flex-grow: 1; margin-bottom: 14px; }
.product-tag {
  display: inline-block; font-size: 0.72rem; font-weight: 700; letter-spacing: 0.5px;
  text-transform: uppercase; color: var(--accent-teal-dark);
  background: rgba(74,124,126,0.12); padding: 3px 10px; border-radius: 20px;
}

/* ---------- Feature list ---------- */
.feature-list { display: grid; gap: 14px; }
.feature-list li { display: flex; gap: 12px; align-items: flex-start; color: var(--text-secondary); }
.feature-list li svg { width: 22px; height: 22px; flex-shrink: 0; color: var(--accent-amber-dark); margin-top: 2px; }

/* ---------- Two-column content ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.split.reverse .split-text { order: 2; }
@media (max-width: 860px) {
  .split, .split.reverse { grid-template-columns: 1fr; gap: 36px; }
  .split.reverse .split-text { order: 0; }
}
.split-art { display: flex; justify-content: center; }
.split-art svg { width: 100%; max-width: 420px; }

/* ---------- Stats band ---------- */
.stats-band { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
.stat-item .num { font-family: var(--font-serif); font-size: 2.6rem; font-weight: 700; color: var(--accent-amber); }
.stat-item .label { color: var(--tan-light); font-size: 0.95rem; }
@media (max-width: 700px) { .stats-band { grid-template-columns: repeat(2, 1fr); gap: 36px; } }

/* ---------- CTA band ---------- */
.cta-band {
  background:
    linear-gradient(135deg, var(--accent-amber), var(--accent-amber-dark));
  color: var(--brown-darkest);
  border-radius: var(--radius-lg);
  padding: 48px;
  display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap;
}
.cta-band h2 { color: var(--brown-darkest); margin-bottom: 6px; }
.cta-band p { color: rgba(59,45,38,0.8); margin: 0; }
@media (max-width: 700px) { .cta-band { flex-direction: column; text-align: center; padding: 36px 24px; } }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 48px; }
@media (max-width: 860px) { .contact-grid { grid-template-columns: 1fr; } }
.contact-info-item { display: flex; gap: 16px; margin-bottom: 24px; }
.contact-info-item .ci-icon {
  width: 48px; height: 48px; border-radius: var(--radius-sm); flex-shrink: 0;
  background: var(--bg-warm); display: flex; align-items: center; justify-content: center;
}
.contact-info-item .ci-icon svg { width: 24px; height: 24px; }
.contact-info-item h4 { font-family: var(--font-sans); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 1px; color: var(--text-muted); margin-bottom: 4px; }
.contact-info-item p, .contact-info-item a { font-size: 1.05rem; color: var(--text-primary); }
.contact-info-item a:hover { color: var(--accent-amber-dark); }

.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-weight: 600; font-size: 0.9rem; margin-bottom: 6px; color: var(--text-primary); }
.form-control {
  width: 100%; padding: 12px 16px;
  border: 1.5px solid var(--border-strong); border-radius: var(--radius-sm);
  font-family: var(--font-sans); font-size: 1rem; color: var(--text-primary);
  background: var(--bg-cream); transition: border-color var(--transition);
}
.form-control:focus { outline: none; border-color: var(--accent-amber); }
textarea.form-control { min-height: 130px; resize: vertical; }
.form-note { font-size: 0.85rem; color: var(--text-muted); margin-top: 8px; }

/* ---------- Map embed ---------- */
.map-wrap {
  border-radius: var(--radius); overflow: hidden; border: 1px solid var(--border);
  box-shadow: var(--shadow); margin-top: 8px;
}
.map-wrap iframe { width: 100%; height: 340px; border: 0; display: block; }

/* ---------- About ---------- */
.about-portrait {
  width: 200px; height: 200px; border-radius: 50%;
  background: linear-gradient(135deg, var(--tan), var(--accent-amber));
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 28px; box-shadow: var(--shadow-lg);
  border: 6px solid var(--white);
}
.about-portrait svg { width: 110px; height: 110px; }
.timeline { position: relative; padding-left: 32px; }
.timeline::before { content: ""; position: absolute; left: 8px; top: 8px; bottom: 8px; width: 2px; background: var(--border-strong); }
.timeline-item { position: relative; padding-bottom: 32px; }
.timeline-item::before {
  content: ""; position: absolute; left: -32px; top: 4px;
  width: 16px; height: 16px; border-radius: 50%;
  background: var(--accent-amber); border: 3px solid var(--bg-cream);
}
.timeline-item h4 { font-family: var(--font-sans); color: var(--accent-amber-dark); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 4px; }
.timeline-item h3 { font-size: 1.15rem; margin-bottom: 6px; }
.timeline-item p { color: var(--text-secondary); font-size: 0.95rem; margin: 0; }

/* ---------- Values / why-us ---------- */
.value-card { text-align: center; padding: 36px 28px; }
.value-card .card-icon { margin-left: auto; margin-right: auto; }

/* ---------- Footer ---------- */
.site-footer { background: var(--brown-darkest); color: var(--tan-light); padding: 60px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 40px; }
@media (max-width: 860px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-brand .logo-text strong { color: var(--bg-cream); }
.footer-brand p { color: var(--tan); font-size: 0.92rem; margin: 16px 0; max-width: 300px; }
.footer-col h4 { font-family: var(--font-sans); color: var(--accent-amber); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 1.5px; margin-bottom: 16px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col a { color: var(--tan-light); font-size: 0.93rem; }
.footer-col a:hover { color: var(--accent-amber); }
.footer-contact li { display: flex; gap: 10px; align-items: flex-start; color: var(--tan); font-size: 0.92rem; margin-bottom: 12px; }
.footer-contact svg { width: 18px; height: 18px; flex-shrink: 0; color: var(--accent-amber); margin-top: 3px; }
.footer-bottom {
  border-top: 1px solid rgba(194,168,138,0.2); padding: 20px 0;
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px;
  font-size: 0.85rem; color: var(--tan);
}
.footer-bottom a { color: var(--tan); }
.footer-bottom a:hover { color: var(--accent-amber); }

/* ---------- Generated images ---------- */
.hero-img {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(194,168,138,0.3);
}
.feature-img {
  width: 100%;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  display: block;
}
.feature-img-wrap {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
}
.split-img { width: 100%; border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); display: block; }
.section-img-inline {
  width: 100%;
  max-width: 480px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  margin: 0 auto;
  display: block;
}
.img-caption {
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 10px;
}
.service-img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  margin-bottom: 18px;
  display: block;
}
@media (max-width: 860px) {
  .hero-img, .split-img { max-width: 420px; margin: 0 auto; }
}

/* ---------- Utility ---------- */
.mt-0 { margin-top: 0; } .mt-1 { margin-top: 8px; } .mt-2 { margin-top: 16px; } .mt-3 { margin-top: 24px; }
.mb-0 { margin-bottom: 0; } .mb-1 { margin-bottom: 8px; } .mb-2 { margin-bottom: 16px; } .mb-3 { margin-bottom: 24px; }
.muted { color: var(--text-muted); }
.lead { font-size: 1.15rem; color: var(--text-secondary); }

/* ---------- Reveal animation ---------- */
@media (prefers-reduced-motion: no-preference) {
  .reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
  .reveal.in { opacity: 1; transform: none; }
}