/* ── Variables ── */
:root {
  --bg:          #0b1a2e;
  --bg-card:     #0f2040;
  --bg-card-alt: #112448;
  --accent-1:    #00c2e0;
  --accent-2:    #0066ee;
  --accent-grad: linear-gradient(135deg, #00c2e0, #0066ee);
  --text:        #eaf0fb;
  --text-muted:  #7a9cbf;
  --border:      rgba(0, 194, 224, 0.15);
  --font:        'Inter', system-ui, sans-serif;
  --radius:      12px;
  --max-w:       1140px;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 16px;
}
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

/* ── Utilities ── */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }
.section-eyebrow {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  background: var(--accent-grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.5rem;
}
.section-title { font-size: clamp(1.8rem, 3vw, 2.4rem); font-weight: 700; line-height: 1.2; margin-bottom: 1rem; }
.section-sub { color: var(--text-muted); max-width: 580px; }

/* ── Buttons ── */
.btn-primary {
  display: inline-block;
  padding: 0.75rem 1.75rem;
  background: var(--accent-grad);
  color: #fff;
  font-weight: 600;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  font-size: 0.95rem;
  transition: opacity 0.2s, transform 0.2s;
}
.btn-primary:hover { opacity: 0.88; transform: translateY(-1px); }

.btn-ghost {
  display: inline-block;
  padding: 0.75rem 1.75rem;
  border: 1.5px solid rgba(0,194,224,0.5);
  color: var(--accent-1);
  font-weight: 600;
  border-radius: 8px;
  font-size: 0.95rem;
  transition: background 0.2s, border-color 0.2s;
}
.btn-ghost:hover { background: rgba(0,194,224,0.08); border-color: var(--accent-1); }

/* ── Nav ── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(11, 26, 46, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.logo {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text);
}
.logo span { background: var(--accent-grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.nav-links { display: flex; align-items: center; gap: 2rem; }
.nav-links a { font-size: 0.9rem; font-weight: 500; color: var(--text-muted); transition: color 0.2s; }
.nav-links a:hover { color: var(--text); }
.btn-nav {
  padding: 0.45rem 1.1rem;
  background: var(--accent-grad);
  border-radius: 6px;
  color: #fff !important;
  font-weight: 600 !important;
  font-size: 0.85rem !important;
}
.hamburger { display: none; background: none; border: none; color: var(--text); font-size: 1.4rem; cursor: pointer; }
.nav-mobile {
  display: none;
  flex-direction: column;
  padding: 1rem 24px 1.5rem;
  gap: 1rem;
  background: rgba(11,26,46,0.97);
  border-top: 1px solid var(--border);
}
.nav-mobile.open { display: flex; }
.nav-mobile a { font-size: 1rem; font-weight: 500; color: var(--text-muted); }
.nav-mobile a:hover { color: var(--text); }

/* ── Hero ── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 50% 40%, rgba(0,102,238,0.18) 0%, transparent 70%),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='60' height='60'%3E%3Cpath d='M10 0v10M0 10h10M50 0v10M40 0h20M10 60v-10M0 50h10M50 60v-10M40 60h20M30 30h10v10H30z' stroke='%230d2a4a' stroke-width='1' fill='none'/%3E%3C/svg%3E");
  opacity: 1;
}
.hero-glow {
  position: absolute;
  width: 600px; height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,194,224,0.12) 0%, transparent 70%);
  top: -100px; right: -100px;
  pointer-events: none;
}
.hero-content { position: relative; z-index: 1; max-width: 700px; }
.eyebrow {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent-1);
  margin-bottom: 1rem;
}
.hero h1 {
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 1.25rem;
}
.hero h1 { background: linear-gradient(135deg, #eaf0fb 30%, var(--accent-1)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero-sub { font-size: 1.1rem; color: var(--text-muted); max-width: 560px; margin-bottom: 2.5rem; line-height: 1.8; }
.hero-cta { display: flex; gap: 1rem; flex-wrap: wrap; }

/* ── Stats ── */
.stats {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 3rem 0;
}
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; text-align: center; }
.stat-num { display: block; font-size: 2.2rem; font-weight: 700; background: var(--accent-grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.stat-label { font-size: 0.85rem; color: var(--text-muted); margin-top: 0.25rem; }

/* ── Services ── */
.services { padding: 100px 0; }
.services .section-sub { margin-bottom: 3.5rem; }
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; margin-top: 1rem; }
.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  transition: border-color 0.25s, transform 0.25s, box-shadow 0.25s;
}
.service-card:hover {
  border-color: rgba(0,194,224,0.45);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,102,238,0.15);
}
.service-icon { font-size: 2rem; margin-bottom: 1rem; }
.service-card h3 { font-size: 1.05rem; font-weight: 600; margin-bottom: 0.6rem; }
.service-card p { font-size: 0.9rem; color: var(--text-muted); line-height: 1.7; }

/* ── About ── */
.about { padding: 100px 0; background: var(--bg-card); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; align-items: center; }
.about-text p { color: var(--text-muted); margin-bottom: 1rem; }
.about-badges { display: flex; flex-wrap: wrap; gap: 0.75rem; align-content: flex-start; }
.badge {
  padding: 0.5rem 1.1rem;
  border: 1px solid var(--border);
  border-radius: 40px;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--accent-1);
  background: rgba(0,194,224,0.06);
}

/* ── Contact ── */
.contact { padding: 100px 0; }
.contact-inner { max-width: 680px; margin: 0 auto; text-align: center; }
.contact .section-sub { margin: 0 auto 2.5rem; }
.contact-direct { display: flex; flex-direction: column; align-items: center; gap: 1rem; margin-top: 1rem; }
.contact-note { font-size: 0.85rem; color: var(--text-muted); }

/* ── Footer ── */
.footer {
  border-top: 1px solid var(--border);
  padding: 2.5rem 0;
  text-align: center;
}
.footer-inner { display: flex; flex-direction: column; align-items: center; gap: 0.5rem; }
.footer-tagline { font-size: 0.85rem; color: var(--text-muted); }
.footer-copy { font-size: 0.8rem; color: rgba(122,156,191,0.6); }

/* ── Responsive ── */
@media (max-width: 900px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; gap: 3rem; }
}
@media (max-width: 640px) {
  .nav-links { display: none; }
  .hamburger { display: block; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .services-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .hero-cta { flex-direction: column; }
  .hero-cta .btn-primary, .hero-cta .btn-ghost { text-align: center; }
}