/* ============================================
   Zel-Tech Hub — Brand tokens
   Navy #0F1C3F | Red #D42E2E | Gold #F5B800
   White #FFFFFF | Off-white #F7F8FA | Slate #4A5568
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Barlow+Condensed:wght@600;700;800&family=Inter:wght@400;500;600;700&display=swap');

:root {
  --navy: #0F1C3F;
  --navy-light: #1B2C5C;
  --red: #D42E2E;
  --red-dark: #B22222;
  --gold: #F5B800;
  --white: #FFFFFF;
  --off-white: #F7F8FA;
  --slate: #4A5568;
  --slate-light: #8792A2;
  --border: #E4E7EC;
  --green: #1B9C4E;

  --font-display: 'Barlow Condensed', sans-serif;
  --font-body: 'Inter', sans-serif;

  --radius: 10px;
  --shadow: 0 4px 16px rgba(15, 28, 63, 0.08);
  --shadow-lg: 0 12px 32px rgba(15, 28, 63, 0.14);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--navy);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; border: none; }

.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Utility ---------- */
.eyebrow {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--red);
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.08;
  color: var(--navy);
}

.section { padding: 72px 0; }
.section-tight { padding: 48px 0; }
.section-alt { background: var(--off-white); }

.section-head { max-width: 620px; margin-bottom: 40px; }
.section-head h2 { font-size: clamp(1.9rem, 3.5vw, 2.6rem); margin-top: 8px; }
.section-head p { color: var(--slate); margin-top: 12px; font-size: 1.02rem; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.98rem;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-whatsapp {
  background: var(--red);
  color: var(--white);
  box-shadow: 0 6px 20px rgba(212, 46, 46, 0.35);
}
.btn-whatsapp:hover { box-shadow: 0 10px 28px rgba(212, 46, 46, 0.42); }
.btn-outline {
  background: transparent;
  color: var(--navy);
  border: 2px solid var(--navy);
}
.btn-outline:hover { background: var(--navy); color: var(--white); }
.btn-gold {
  background: var(--gold);
  color: var(--navy);
}

/* ---------- Header ---------- */
.topbar {
  background: var(--navy);
  color: var(--white);
  font-size: 0.85rem;
}
.topbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 8px;
  padding-bottom: 8px;
  flex-wrap: wrap;
  gap: 6px;
}
.topbar-contact { display: flex; gap: 20px; flex-wrap: wrap; }
.topbar-contact a { opacity: 0.92; }
.topbar-contact a:hover { opacity: 1; text-decoration: underline; }
.topbar-rc { opacity: 0.75; letter-spacing: 0.03em; }

header.main-nav {
  background: var(--white);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 50;
}
.main-nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  padding-bottom: 14px;
}

.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark {
  width: 42px; height: 42px;
  flex-shrink: 0;
  object-fit: contain;
}
.brand-name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--navy);
  letter-spacing: 0.01em;
}
.brand-name span { color: var(--red); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  font-weight: 600;
  font-size: 0.96rem;
}
.nav-links a { color: var(--navy); position: relative; padding: 4px 0; }
.nav-links a.active { color: var(--red); }
.nav-links a:hover { color: var(--red); }

.nav-cta { display: flex; align-items: center; gap: 14px; }

.nav-toggle { display: none; }

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
  color: var(--white);
  position: relative;
  overflow: hidden;
}
.hero::after {
  content: '';
  position: absolute;
  right: -120px; top: -120px;
  width: 420px; height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(245,184,0,0.14) 0%, transparent 70%);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
  padding: 76px 0;
  position: relative;
  z-index: 1;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(245, 184, 0, 0.14);
  border: 1px solid rgba(245, 184, 0, 0.4);
  color: var(--gold);
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 7px 16px;
  border-radius: 999px;
  margin-bottom: 22px;
}
.hero h1 {
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  color: var(--white);
}
.hero h1 em {
  font-style: normal;
  color: var(--gold);
}
.hero p.lead {
  margin-top: 20px;
  font-size: 1.12rem;
  color: rgba(255,255,255,0.82);
  max-width: 480px;
}
.hero-actions { display: flex; gap: 14px; margin-top: 32px; flex-wrap: wrap; }
.hero-meta {
  display: flex;
  gap: 28px;
  margin-top: 40px;
  flex-wrap: wrap;
}
.hero-meta-item { font-size: 0.88rem; color: rgba(255,255,255,0.7); }
.hero-meta-item strong { display: block; color: var(--white); font-size: 1.5rem; font-family: var(--font-display); }

.hero-panel {
  background: var(--white);
  border-radius: 16px;
  padding: 28px;
  box-shadow: var(--shadow-lg);
  color: var(--navy);
}
.hero-panel-head {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  color: var(--red);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 16px;
}
.check-list { display: flex; flex-direction: column; gap: 12px; }
.check-item { display: flex; align-items: flex-start; gap: 10px; font-weight: 600; font-size: 0.98rem; }
.check-item .dot {
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--green);
  color: var(--white);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.72rem;
  flex-shrink: 0;
  margin-top: 1px;
}
.hero-panel-cta {
  margin-top: 22px;
  padding-top: 20px;
  border-top: 1px dashed var(--border);
  text-align: center;
}
.hero-panel-cta .btn { width: 100%; justify-content: center; }

/* ---------- Services grid ---------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.service-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: box-shadow 0.15s ease, transform 0.15s ease;
}
.service-card:hover { box-shadow: var(--shadow); transform: translateY(-3px); }
.service-card .icon {
  width: 48px; height: 48px;
  border-radius: 10px;
  background: var(--off-white);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 16px;
}
.service-card h3 { font-size: 1.24rem; margin-bottom: 8px; }
.service-card p { color: var(--slate); font-size: 0.95rem; }
.service-card .tag {
  display: inline-block;
  margin-top: 14px;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--red);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* ---------- Brands strip ---------- */
.brands-strip {
  background: var(--navy);
  padding: 26px 0;
}
.brands-strip .container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
  color: rgba(255,255,255,0.85);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: 0.03em;
}
.brands-strip .label {
  color: var(--gold);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ---------- Areas strip ---------- */
.areas-strip {
  background: var(--gold);
  color: var(--navy);
  padding: 16px 0;
  font-weight: 700;
}
.areas-strip .container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  text-align: center;
  font-size: 0.98rem;
}

/* ---------- Why us ---------- */
.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.why-item { text-align: left; }
.why-item .num {
  font-family: var(--font-display);
  font-size: 2.4rem;
  color: var(--red);
  font-weight: 800;
  line-height: 1;
  margin-bottom: 10px;
}
.why-item h4 { font-size: 1.08rem; margin-bottom: 6px; }
.why-item p { color: var(--slate); font-size: 0.92rem; }

/* ---------- CTA band ---------- */
.cta-band {
  background: linear-gradient(120deg, var(--red) 0%, var(--red-dark) 100%);
  color: var(--white);
  border-radius: 18px;
  padding: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.cta-band h3 { color: var(--white); font-size: 1.9rem; }
.cta-band p { color: rgba(255,255,255,0.88); margin-top: 6px; }
.cta-band .btn-gold { flex-shrink: 0; }

/* ---------- Testimonial / review ---------- */
.review-card {
  background: var(--off-white);
  border-radius: var(--radius);
  padding: 26px;
  border: 1px solid var(--border);
}
.review-stars { color: var(--gold); letter-spacing: 2px; margin-bottom: 10px; }
.review-card p.quote { color: var(--navy); font-size: 1rem; }
.review-card .who { margin-top: 14px; font-weight: 700; font-size: 0.9rem; color: var(--slate); }

/* ---------- Footer ---------- */
footer {
  background: var(--navy);
  color: rgba(255,255,255,0.75);
  padding-top: 56px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.1fr;
  gap: 36px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-brand .brand-name { color: var(--white); }
.footer-brand .brand-name span { color: var(--gold); }
.footer-brand p { margin-top: 14px; font-size: 0.92rem; line-height: 1.7; max-width: 280px; }
.footer-social { display: flex; gap: 12px; margin-top: 20px; }
.footer-social a {
  width: 38px; height: 38px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  display: flex; align-items: center; justify-content: center;
  transition: background 0.15s ease, transform 0.15s ease;
  color: var(--white);
}
.footer-social a:hover { background: var(--gold); color: var(--navy); transform: translateY(-2px); }
.footer-social svg { width: 18px; height: 18px; }
.footer-col h5 {
  color: var(--white);
  font-family: var(--font-body);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 16px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 10px; font-size: 0.92rem; }
.footer-col a:hover { color: var(--gold); }
.footer-bottom {
  padding: 22px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  flex-wrap: wrap;
  gap: 8px;
}

/* ---------- WhatsApp floating button ---------- */
.wa-float {
  position: fixed;
  bottom: 22px;
  right: 22px;
  background: var(--green);
  color: var(--white);
  width: 56px; height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(27, 156, 78, 0.4);
  z-index: 60;
  font-size: 1.5rem;
  transition: transform 0.15s ease;
}
.wa-float:hover { transform: scale(1.08); }

/* ---------- Page header (interior pages) ---------- */
.page-header {
  background: var(--navy);
  color: var(--white);
  padding: 52px 0 40px;
}
.page-header .eyebrow { color: var(--gold); }
.page-header h1 { color: var(--white); font-size: clamp(2rem, 4vw, 2.8rem); margin-top: 8px; }
.breadcrumb { margin-top: 14px; font-size: 0.88rem; color: rgba(255,255,255,0.6); }
.breadcrumb a:hover { color: var(--gold); }

/* ---------- Price table (services page) ---------- */
.price-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.price-table th {
  background: var(--navy);
  color: var(--white);
  text-align: left;
  padding: 14px 20px;
  font-family: var(--font-body);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.price-table td {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  font-size: 0.96rem;
}
.price-table tr:last-child td { border-bottom: none; }
.price-table td.price { font-weight: 700; color: var(--red); white-space: nowrap; }
.price-note { margin-top: 14px; font-size: 0.86rem; color: var(--slate-light); }

/* ---------- Portfolio grid ---------- */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.portfolio-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--white);
}
.portfolio-card .thumb {
  aspect-ratio: 16/10;
  background: linear-gradient(135deg, var(--off-white), #EDEFF3);
  display: flex; align-items: center; justify-content: center;
  color: var(--slate-light);
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}
.portfolio-card .body { padding: 20px; }
.portfolio-card .meta {
  display: flex; gap: 10px; margin-bottom: 8px;
}
.portfolio-card .meta span {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--red);
  background: rgba(212,46,46,0.08);
  padding: 4px 10px;
  border-radius: 999px;
}
.portfolio-card h3 { font-size: 1.15rem; margin-bottom: 6px; }
.portfolio-card p { color: var(--slate); font-size: 0.92rem; }

/* ---------- Contact page ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: flex-start;
}
.contact-method {
  display: flex;
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
}
.contact-method:last-child { border-bottom: none; }
.contact-method .icon {
  width: 46px; height: 46px;
  border-radius: 10px;
  background: var(--off-white);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}
.contact-method h4 { font-size: 1.02rem; margin-bottom: 4px; }
.contact-method p { color: var(--slate); font-size: 0.94rem; }
.contact-method a:hover { color: var(--red); }

.contact-form {
  background: var(--off-white);
  border-radius: var(--radius);
  padding: 32px;
  border: 1px solid var(--border);
}
.form-row { margin-bottom: 18px; }
.form-row label {
  display: block;
  font-weight: 600;
  font-size: 0.88rem;
  margin-bottom: 6px;
  color: var(--navy);
}
.form-row input, .form-row textarea, .form-row select {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  background: var(--white);
}
.form-row input:focus, .form-row textarea:focus, .form-row select:focus {
  outline: 2px solid var(--navy);
  outline-offset: 1px;
}
.form-row textarea { resize: vertical; min-height: 110px; }

.map-embed {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  height: 280px;
}
.map-embed iframe { width: 100%; height: 100%; border: 0; }

/* ---------- Responsive ---------- */
@media (max-width: 880px) {
  .hero-grid { grid-template-columns: 1fr; padding: 48px 0; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .portfolio-grid { grid-template-columns: 1fr; }

  .nav-links {
    position: fixed;
    top: 0; right: -280px;
    width: 260px; height: 100vh;
    background: var(--white);
    flex-direction: column;
    align-items: flex-start;
    padding: 90px 28px;
    box-shadow: var(--shadow-lg);
    transition: right 0.25s ease;
    z-index: 55;
  }
  .nav-links.open { right: 0; }
  .nav-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px; height: 40px;
    font-size: 1.4rem;
    color: var(--navy);
  }
  .nav-cta .btn-outline { display: none; }
}

@media (max-width: 600px) {
  .services-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .cta-band { flex-direction: column; text-align: center; padding: 36px 24px; }
  .topbar .container { justify-content: center; text-align: center; }
}