:root {
  --bg: #FFFFFF;
  --bg-card: #F5F7FB;
  --line: #E1E6EF;
  --accent: #2563EB;
  --accent-ink: #1D4ED8;
  --c-blue: #1D4ED8;
  --c-teal: #0D9488;
  --c-violet: #7C3AED;
  --c-amber: #B45309;
  --text: #1E2430;
  --text-dim: #626B7E;
  --btn-text: #FFFFFF;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;
  --max: 1120px;
  --shadow-sm: 0 1px 3px rgba(38, 35, 32, 0.06);
  --shadow-md: 0 16px 32px -12px rgba(38, 35, 32, 0.16);
}

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

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.92rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--accent-ink);
  text-transform: uppercase;
  margin-bottom: 12px;
}

h1, h2, h3 { font-family: var(--font-display); font-weight: 600; letter-spacing: -0.01em; }

/* ---------- Nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 18px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.6rem;
  letter-spacing: 0.02em;
}
.logo span { color: var(--accent-ink); }
.nav-links { display: flex; gap: 32px; font-size: 0.9rem; font-weight: 500; }
.nav-links a { color: var(--text-dim); transition: color 0.15s; }
.nav-links a:hover { color: var(--text); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-toggle span { width: 22px; height: 2px; background: var(--text); display: block; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 120px 24px 80px;
}
.hero-inner { position: relative; max-width: var(--max); margin: 0 auto; }
.hero h1 {
  font-size: clamp(2.2rem, 5.5vw, 3.8rem);
  line-height: 1.08;
  max-width: 14ch;
}
.hero-sub { margin-top: 20px; font-size: 1.1rem; color: var(--text-dim); max-width: 46ch; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 32px;
  padding: 14px 28px;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: 2px;
  transition: transform 0.15s, background 0.15s;
}
.btn-primary { background: var(--accent); color: var(--btn-text); box-shadow: 0 8px 20px -6px rgba(37, 99, 235, 0.45); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 28px -8px rgba(37, 99, 235, 0.5); }

.capability-strip {
  margin-top: 64px;
  display: flex;
  gap: 40px;
  flex-wrap: wrap;
  border-top: 1px solid var(--line);
  padding-top: 24px;
}
.cap { display: flex; flex-direction: column; gap: 4px; }
.cap-code { font-family: var(--font-mono); color: var(--accent-ink); font-size: 1rem; font-weight: 500; }
.cap-label { color: var(--text-dim); font-size: 0.85rem; }
.capability-strip .cap:nth-child(1) .cap-code { color: var(--c-blue); }
.capability-strip .cap:nth-child(2) .cap-code { color: var(--c-teal); }
.capability-strip .cap:nth-child(3) .cap-code { color: var(--c-violet); }
.capability-strip .cap:nth-child(4) .cap-code { color: var(--c-amber); }

/* ---------- Sections shared ---------- */
main > section {
  max-width: var(--max);
  margin: 0 auto;
  padding: 96px 24px;
}
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.in-view { opacity: 1; transform: translateY(0); }

/* ---------- About ---------- */
.about { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.about-lead { font-size: 1.3rem; line-height: 1.5; }
.photo-slot {
  aspect-ratio: 4 / 3;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: var(--bg-card);
  box-shadow: var(--shadow-md);
}
.photo-slot img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
/* ---------- Services ---------- */
.services h2 { font-size: 2rem; margin-bottom: 40px; }
.service-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 24px; }
.service-card {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
}
.service-card:hover { border-color: var(--accent); transform: translateY(-4px); box-shadow: var(--shadow-md); }
.service-photo { aspect-ratio: 16 / 10; overflow: hidden; }
.service-photo img { width: 100%; height: 100%; object-fit: cover; display: block; }
.service-card-body { padding: 24px; }
.service-code { font-family: var(--font-mono); color: var(--accent-ink); font-size: 0.96rem; font-weight: 500; letter-spacing: 0.06em; }
.service-grid .service-card:nth-child(1) .service-code { color: var(--c-blue); }
.service-grid .service-card:nth-child(2) .service-code { color: var(--c-teal); }
.service-grid .service-card:nth-child(3) .service-code { color: var(--c-violet); }
.service-grid .service-card:nth-child(4) .service-code { color: var(--c-amber); }
.service-card h3 { margin: 14px 0 10px; font-size: 1.15rem; }
.service-card p { color: var(--text-dim); font-size: 0.92rem; }

/* ---------- Why ---------- */
.why h2 { font-size: 2rem; margin-bottom: 40px; }
.why-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 24px; }
.why-card {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 24px;
  box-shadow: var(--shadow-sm);
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
}
.why-card:hover { border-color: var(--accent); transform: translateY(-4px); box-shadow: var(--shadow-md); }
.why-grid .why-card:nth-child(1) .service-code { color: var(--c-blue); }
.why-grid .why-card:nth-child(2) .service-code { color: var(--c-teal); }
.why-grid .why-card:nth-child(3) .service-code { color: var(--c-violet); }
.why-grid .why-card:nth-child(4) .service-code { color: var(--c-amber); }
.why-grid .why-card:nth-child(5) .service-code { color: var(--c-blue); }
.why-card h3 { margin: 14px 0 8px; font-size: 1.05rem; }
.why-card p { color: var(--text-dim); font-size: 0.88rem; }

/* ---------- Contact ---------- */
.contact-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: end; }
.contact h2 { font-size: 2rem; margin-top: 4px; }
.contact-sub { color: var(--text-dim); margin-top: 12px; }
.contact-details { display: flex; flex-direction: column; gap: 20px; }
.contact-link {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
  transition: color 0.15s, border-color 0.15s;
}
.contact-link:hover { color: var(--accent-ink); border-color: var(--accent); }
.contact-label { display: block; font-size: 0.7rem; color: var(--text-dim); letter-spacing: 0.1em; margin-bottom: 6px; }

.contact-address p { font-size: 1rem; line-height: 1.5; }
.contact-address-links { display: flex; gap: 20px; margin-top: 10px; flex-wrap: wrap; }
.contact-address-links a { font-family: var(--font-mono); font-size: 0.85rem; color: var(--accent-ink); transition: opacity 0.15s; }
.contact-address-links a:hover { opacity: 0.75; }

/* ---------- Footer ---------- */
.footer { border-top: 1px solid var(--line); padding: 48px 24px 24px; }
.footer-inner {
  max-width: var(--max);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 24px;
}
.footer-brand p { color: var(--text-dim); font-size: 0.85rem; margin-top: 8px; }
.footer-bottom {
  max-width: var(--max);
  margin: 32px auto 0;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  color: var(--text-dim);
  font-size: 0.78rem;
}

/* ---------- WhatsApp floating button ---------- */
.whatsapp-float {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #FFFFFF;
  border: 1px solid var(--line);
  box-shadow: 0 8px 24px rgba(38, 35, 32, 0.18);
  transition: transform 0.15s, border-color 0.15s, box-shadow 0.15s;
  z-index: 90;
}
.whatsapp-float:hover { transform: translateY(-3px); border-color: var(--accent); box-shadow: 0 12px 28px rgba(38, 35, 32, 0.24); }
.whatsapp-float svg { width: 26px; height: 26px; stroke: var(--accent); }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .nav-links {
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    padding: 20px 24px;
    gap: 18px;
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-toggle { display: flex; }
  .about { grid-template-columns: 1fr; }
  .service-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr 1fr; }
  .contact-inner { grid-template-columns: 1fr; }
  .hero { padding-top: 90px; padding-bottom: 60px; }
  .btn { margin-top: 24px; }
  .capability-strip { margin-top: 36px; padding-top: 16px; gap: 24px; }
  .footer { padding-bottom: 100px; }
}