:root {
  --navy: #14213D;
  --navy-deep: #0D1730;
  --paper: #FAFAF9;
  --paper-alt: #F1F3F6;
  --ink: #1B2233;
  --ink-soft: #5B6478;
  --accent-blue: #2F6FED;
  --accent-blue-deep: #1E52C4;
  --accent-amber: #E8A33D;
  --border: #E2E5EA;

  --font-heading: "Manrope", sans-serif;
  --font-body: "Inter", sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.6;
  font-size: 16px;
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  color: var(--navy);
  line-height: 1.2;
  margin: 0 0 0.6rem;
}

a { color: var(--accent-blue); text-decoration: none; }
a:hover { color: var(--accent-blue-deep); }

img { max-width: 100%; display: block; }

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ---------- header / nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--navy);
  border-bottom: 1px solid var(--navy-deep);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  max-width: 1080px;
  margin: 0 auto;
}

.brand {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.15rem;
  color: #fff;
  letter-spacing: -0.01em;
}
.brand span { color: var(--accent-amber); }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: 6px;
  width: 40px;
  height: 36px;
  color: #fff;
  font-size: 1.1rem;
  cursor: pointer;
}

.nav-links {
  display: flex;
  gap: 1.6rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: rgba(255,255,255,0.82);
  font-size: 0.92rem;
  font-weight: 500;
  padding: 0.3rem 0;
  border-bottom: 2px solid transparent;
}
.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: #fff;
  border-bottom-color: var(--accent-amber);
}

@media (max-width: 760px) {
  .nav-toggle { display: block; }
  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--navy);
    flex-direction: column;
    gap: 0;
    padding: 0.5rem 1.5rem 1rem;
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 0.7rem 0; border-bottom: 1px solid rgba(255,255,255,0.1); }
}

/* ---------- hero ---------- */
.hero {
  background: linear-gradient(180deg, var(--navy) 0%, var(--navy-deep) 100%);
  color: #fff;
  padding: 5rem 0 5.5rem;
}
.hero .eyebrow {
  font-family: var(--font-heading);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-amber);
  margin-bottom: 0.9rem;
}
.hero h1 {
  color: #fff;
  font-size: clamp(2.1rem, 5vw, 3.2rem);
  margin-bottom: 0.7rem;
}
.hero p.lead {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.82);
  max-width: 46ch;
  margin: 0 0 2rem;
}
.hero .stats {
  display: flex;
  gap: 2.5rem;
  flex-wrap: wrap;
}
.hero .stat-num {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent-amber);
}
.hero .stat-label {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.65);
}

.btn {
  display: inline-block;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 0.8rem 1.6rem;
  border-radius: 6px;
  background: var(--accent-amber);
  color: var(--navy-deep);
  border: none;
  cursor: pointer;
}
.btn:hover { background: #f0b25c; color: var(--navy-deep); }
.btn-outline {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.4);
  color: #fff;
}
.btn-outline:hover { border-color: #fff; color: #fff; background: rgba(255,255,255,0.08); }

/* ---------- sections ---------- */
section { padding: 4.5rem 0; }
section.alt { background: var(--paper-alt); }
.section-head { max-width: 640px; margin-bottom: 2.4rem; }
.section-head .eyebrow {
  font-family: var(--font-heading);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-blue);
  margin-bottom: 0.5rem;
  display: block;
}
.section-head p { color: var(--ink-soft); font-size: 1.05rem; }

/* connector divider — subtle nod to networking/cabling */
.connector-divider {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--border);
  margin: 0 0 2rem;
}
.connector-divider .node { width: 6px; height: 6px; border-radius: 50%; background: var(--accent-blue); flex-shrink: 0; }
.connector-divider .line { flex: 1; height: 1px; background: var(--border); }

/* ---------- skill / service cards ---------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.4rem;
}

.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.6rem;
}
.card .icon {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: var(--paper-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  color: var(--accent-blue);
}
.card h3 { font-size: 1.05rem; margin-bottom: 0.4rem; }
.card p { color: var(--ink-soft); font-size: 0.92rem; margin: 0; }

/* ---------- testimonials (empty-state ready) ---------- */
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.4rem;
}
.testimonial {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.5rem;
}
.testimonial p.quote { font-style: italic; color: var(--ink); margin: 0 0 0.9rem; }
.testimonial .name { font-family: var(--font-heading); font-weight: 700; font-size: 0.9rem; }
.testimonial .role { color: var(--ink-soft); font-size: 0.82rem; }

.empty-state {
  border: 1px dashed var(--border);
  border-radius: 10px;
  padding: 2.2rem;
  text-align: center;
  color: var(--ink-soft);
  background: #fff;
}
.empty-state strong { display: block; color: var(--navy); margin-bottom: 0.4rem; font-family: var(--font-heading); }
.empty-state code {
  font-family: monospace;
  background: var(--paper-alt);
  padding: 0.1rem 0.4rem;
  border-radius: 4px;
}

/* ---------- timeline (education/experience) ---------- */
.timeline { border-left: 2px solid var(--border); padding-left: 1.6rem; }
.timeline-item { position: relative; margin-bottom: 2.2rem; }
.timeline-item:last-child { margin-bottom: 0; }
.timeline-item::before {
  content: "";
  position: absolute;
  left: -1.86rem;
  top: 0.3rem;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent-blue);
  border: 2px solid var(--paper);
}
.timeline-item .period {
  font-family: var(--font-heading);
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--accent-blue);
}
.timeline-item h3 { margin: 0.2rem 0 0.3rem; font-size: 1.1rem; }
.timeline-item p { color: var(--ink-soft); margin: 0; }

/* ---------- simple lists ---------- */
.check-list { list-style: none; padding: 0; margin: 0; }
.check-list li {
  padding-left: 1.6rem;
  position: relative;
  margin-bottom: 0.7rem;
  color: var(--ink-soft);
}
.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.45rem;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--accent-blue);
}

/* ---------- contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2.5rem;
}
@media (max-width: 760px) { .contact-grid { grid-template-columns: 1fr; } }

.contact-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.8rem;
}
.contact-row { display: flex; gap: 0.9rem; align-items: flex-start; margin-bottom: 1.3rem; }
.contact-row:last-child { margin-bottom: 0; }
.contact-row .icon {
  width: 36px; height: 36px; border-radius: 8px;
  background: var(--paper-alt); color: var(--accent-blue);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.contact-row .label { font-size: 0.8rem; color: var(--ink-soft); }
.contact-row .value { font-family: var(--font-heading); font-weight: 700; color: var(--navy); }

/* ---------- link categories ---------- */
.link-category { margin-bottom: 2.6rem; }
.link-category h3 { font-size: 1rem; margin-bottom: 1rem; }

.tile-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: 1rem;
}

.tile {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.7rem;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.4rem 0.8rem;
  text-align: center;
  color: var(--ink);
  font-size: 0.85rem;
  font-weight: 500;
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.tile:hover {
  border-color: var(--accent-blue);
  transform: translateY(-2px);
  color: var(--ink);
}
.tile .tile-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--paper-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.tile .tile-icon img { width: 26px; height: 26px; }

/* ---------- footer ---------- */
.site-footer {
  background: var(--navy-deep);
  color: rgba(255,255,255,0.55);
  padding: 2.5rem 0;
  font-size: 0.85rem;
}
.site-footer a { color: rgba(255,255,255,0.75); }
.site-footer .foot-row {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

/* ---------- accessibility ---------- */
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--accent-amber);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}