/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --c-bg:        #0a0e18;
  --c-surface:   #101725;
  --c-surface2:  #18202f;
  --c-border:    #1d2a3f;
  --c-accent:    #0888d0;
  --c-accent-h:  #2bb0f0;
  --c-accent-glow: rgba(8,136,208,0.28);
  --c-text:      #eef4fb;
  --c-muted:     #8fa3bf;
  --c-faint:     #3a4f6b;
  --c-nav-bg:    rgba(255,255,255,0.96);
  --c-nav-text:  #0d1b2e;
  --c-nav-muted: #4a5b75;
  --c-nav-border:#e4e9f0;
  --r-card:      12px;
  --r-btn:       8px;
  --shadow-card: 0 1px 3px rgba(0,0,0,0.4), 0 0 0 1px var(--c-border);
  --transition:  180ms ease;
}

html { scroll-behavior: smooth; }

body {
  background: var(--c-bg);
  color: var(--c-text);
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1,h2,h3,h4 {
  font-family: 'Space Grotesk', sans-serif;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

a { color: var(--c-accent-h); text-decoration: none; transition: color var(--transition); }
a:hover { color: #fff; }

/* ── Layout ── */
.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section { padding: 6rem 0; }
.section-alt { background: var(--c-surface); }

.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 3.5rem;
}
.section-eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-accent-h);
  margin-bottom: 0.6rem;
}
.section-title {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  margin-bottom: 1rem;
}
.section-desc { color: var(--c-muted); font-size: 1.05rem; }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1.4rem;
  border-radius: var(--r-btn);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: background var(--transition), color var(--transition), box-shadow var(--transition);
  text-decoration: none;
}
.btn-sm { padding: 0.5rem 1rem; font-size: 0.85rem; }
.btn-full { width: 100%; justify-content: center; }

.btn-primary {
  background: var(--c-accent);
  color: #fff;
}
.btn-primary:hover {
  background: var(--c-accent-h);
  color: #fff;
  box-shadow: 0 0 0 4px var(--c-accent-glow);
}

.btn-ghost {
  background: transparent;
  color: var(--c-text);
  border: 1px solid var(--c-border);
}
.btn-ghost:hover {
  background: var(--c-surface2);
  color: #fff;
  border-color: var(--c-faint);
}

/* ── Nav ── */
.nav-wrapper {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: var(--c-nav-bg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--c-nav-border);
  box-shadow: 0 1px 12px rgba(0,0,0,0.06);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 88px;
}
.logo {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}
.logo-img {
  display: block;
  height: 56px;
  width: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  list-style: none;
}
.nav-links a {
  color: var(--c-nav-muted);
  font-size: 0.95rem;
  font-weight: 500;
  padding: 0.5rem 0.9rem;
  border-radius: 6px;
  transition: color var(--transition), background var(--transition);
}
.nav-links a:hover { color: var(--c-nav-text); background: rgba(8,136,208,0.08); }
.nav-links a.active:not(.btn) { color: var(--c-accent); }
.nav-links .btn { color: #fff; }
.nav-links .btn:hover { color: #fff; }

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 22px; height: 2px;
  background: var(--c-nav-text);
  border-radius: 2px;
  transition: transform 0.25s, opacity 0.25s;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── Hero ── */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: 88px;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 60% at 60% 40%, rgba(37,99,235,0.18) 0%, transparent 70%),
    radial-gradient(ellipse 40% 40% at 20% 70%, rgba(37,99,235,0.08) 0%, transparent 60%);
}
.hero-grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--c-border) 1px, transparent 1px),
    linear-gradient(90deg, var(--c-border) 1px, transparent 1px);
  background-size: 60px 60px;
  opacity: 0.3;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 20%, transparent 80%);
}
.hero-content {
  position: relative;
  z-index: 1;
  max-width: 720px;
  padding: 4rem 1.5rem;
}
.hero-eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-accent-h);
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.hero-eyebrow::before {
  content: '';
  display: block;
  width: 28px; height: 2px;
  background: var(--c-accent);
  border-radius: 2px;
}
.hero-heading {
  font-size: clamp(2.5rem, 6vw, 4.25rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}
.hero-sub {
  font-size: 1.15rem;
  color: var(--c-muted);
  max-width: 560px;
  margin-bottom: 2.5rem;
  line-height: 1.7;
}
.hero-actions { display: flex; gap: 0.75rem; flex-wrap: wrap; }

/* ── Cards (Services) ── */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.25rem;
}
.card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--r-card);
  padding: 1.75rem;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}
.card:hover {
  border-color: var(--c-accent);
  box-shadow: 0 0 0 1px var(--c-accent), 0 8px 32px rgba(37,99,235,0.12);
  transform: translateY(-2px);
}
.card-icon {
  width: 44px; height: 44px;
  background: var(--c-surface2);
  border: 1px solid var(--c-border);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  color: var(--c-accent-h);
}
.card-icon svg { width: 20px; height: 20px; }
.card h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 0.6rem;
}
.card p { font-size: 0.92rem; color: var(--c-muted); line-height: 1.65; }

/* ── Team ── */
.team-card {
  display: flex;
  gap: 2.5rem;
  align-items: flex-start;
  max-width: 760px;
  margin: 0 auto;
  background: var(--c-surface2);
  border: 1px solid var(--c-border);
  border-radius: var(--r-card);
  padding: 2.25rem;
}
.team-avatar {
  flex-shrink: 0;
  width: 110px; height: 110px;
  border-radius: 50%;
  object-fit: cover;
  object-position: center top;
  border: 2px solid var(--c-border);
  box-shadow: 0 0 0 4px var(--c-accent-glow);
}
.team-bio h3 { font-size: 1.3rem; margin-bottom: 0.25rem; }
.team-role { color: var(--c-accent-h); font-size: 0.9rem; font-weight: 500; margin-bottom: 1rem; }
.team-bio p { color: var(--c-muted); font-size: 0.95rem; }

/* ── Clients ── */
.clients-row {
  display: flex;
  gap: 1rem;
  justify-content: center;
  align-items: stretch;
  flex-wrap: wrap;
}
.client-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 220px;
  padding: 1.75rem 2.5rem;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--r-card);
  transition: border-color var(--transition), background var(--transition);
}
.client-logo img {
  height: 38px;
  width: auto;
  max-width: 160px;
  object-fit: contain;
  /* normalise mixed-colour brand logos to a uniform light monochrome */
  filter: brightness(0) invert(1);
  opacity: 0.7;
  transition: opacity var(--transition);
}
.client-logo:hover { border-color: var(--c-accent); background: var(--c-surface2); }
.client-logo:hover img { opacity: 1; }

/* ── Contact ── */
.contact-grid {
  max-width: 760px;
  margin: 0 auto;
}
.contact-details {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.75rem 2.5rem;
}
.contact-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--r-card);
  padding: 1.5rem;
}
.contact-item svg {
  width: 20px; height: 20px;
  flex-shrink: 0;
  margin-top: 0.1rem;
  color: var(--c-accent-h);
}
.contact-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-muted);
  margin-bottom: 0.25rem;
}
.contact-item p, .contact-item a { font-size: 0.95rem; color: var(--c-text); }
.contact-item a:hover { color: var(--c-accent-h); }

/* ── Footer ── */
.footer {
  background: var(--c-surface);
  border-top: 1px solid var(--c-border);
  padding: 2rem 0;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}
.logo-footer {
  background: #fff;
  padding: 0.45rem 0.7rem;
  border-radius: 8px;
}
.logo-footer .logo-img { height: 34px; }
.footer-copy { font-size: 0.8rem; color: var(--c-muted); }
.footer-nav { display: flex; gap: 1.25rem; }
.footer-nav a { font-size: 0.8rem; color: var(--c-muted); }
.footer-nav a:hover { color: var(--c-text); }

/* ── Responsive ── */
@media (max-width: 768px) {
  .nav-toggle { display: flex; }

  .nav-links {
    display: none;
    flex-direction: column;
    align-items: stretch;
    position: absolute;
    top: 88px; left: 0; right: 0;
    background: #fff;
    border-bottom: 1px solid var(--c-nav-border);
    box-shadow: 0 8px 24px rgba(0,0,0,0.1);
    padding: 1rem 1.5rem;
    gap: 0.25rem;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 0.7rem 0.75rem; }
  .nav-links .btn { justify-content: center; margin-top: 0.25rem; }

  .contact-details { grid-template-columns: 1fr; }
  .team-card { flex-direction: column; gap: 1.5rem; }

  .footer-inner { flex-direction: column; text-align: center; }
  .footer-nav { justify-content: center; }
}

@media (max-width: 480px) {
  .services-grid { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; justify-content: center; }
}