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

:root {
  --navy:      #0d1b2a;
  --navy-mid:  #1a2e45;
  --navy-light:#243b55;
  --blue:      #2d6bcf;
  --blue-light:#4a8de8;
  --accent:    #5bc4f5;
  --white:     #ffffff;
  --gray-100:  #f4f7fb;
  --gray-200:  #e2e8f0;
  --gray-500:  #6b7a99;
  --gray-700:  #374151;
  --text:      #1a1a2e;
  --font:      'Inter', sans-serif;
}

html { scroll-behavior: smooth; }

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

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* ── Typography ───────────────────────────────────────────── */
h1 { font-size: clamp(2rem, 4.5vw, 3.2rem); font-weight: 700; line-height: 1.15; }
h2 { font-size: clamp(1.5rem, 3vw, 2.2rem); font-weight: 700; line-height: 1.2; }
h3 { font-size: 1.15rem; font-weight: 600; }
p  { color: var(--gray-700); }

.section-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 0.75rem;
}

.accent { color: var(--accent); }

/* ── Buttons ──────────────────────────────────────────────── */
.btn {
  display: inline-block;
  padding: 0.75rem 1.75rem;
  border-radius: 6px;
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s ease;
  cursor: pointer;
}

.btn-primary {
  background: var(--blue);
  color: var(--white);
  border: 2px solid var(--blue);
}
.btn-primary:hover {
  background: var(--blue-light);
  border-color: var(--blue-light);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.4);
}
.btn-outline:hover {
  border-color: var(--white);
  background: rgba(255,255,255,0.08);
}

/* ── Nav ──────────────────────────────────────────────────── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(13, 27, 42, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.07);
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
}

.logo-mark {
  font-size: 1.3rem;
  color: var(--accent);
}

.logo-text {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.01em;
}

/* ── Hero ─────────────────────────────────────────────────── */
.hero {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-mid) 60%, #0f2a4a 100%);
  padding: 10rem 0 7rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -40%;
  right: -20%;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(45,107,207,0.18) 0%, transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(91,196,245,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  max-width: 760px;
  position: relative;
  z-index: 1;
}

.eyebrow {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.25rem;
}

.hero h1 {
  color: var(--white);
  margin-bottom: 1.5rem;
}

.hero-sub {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.7);
  max-width: 620px;
  margin-bottom: 2.5rem;
  line-height: 1.7;
}

/* ── What We Do ───────────────────────────────────────────── */
.what-we-do {
  padding: 6rem 0;
  background: var(--gray-100);
}

.what-we-do h2 {
  margin-bottom: 1.25rem;
  max-width: 600px;
}

.section-desc {
  font-size: 1.05rem;
  line-height: 1.75;
  max-width: 680px;
  color: var(--gray-700);
}

/* ── Services ─────────────────────────────────────────────── */
.services {
  padding: 6rem 0;
  background: var(--white);
}

.services h2 {
  margin-bottom: 3rem;
}

/* ── Certifications ───────────────────────────────────────── */
.certifications {
  padding: 4rem 0;
  background: linear-gradient(135deg, rgba(45,107,207,0.08) 0%, rgba(91,196,245,0.05) 100%);
  border-top: 1px solid var(--gray-200);
  border-bottom: 1px solid var(--gray-200);
}

.certifications .section-label {
  margin-bottom: 2rem;
}

.cert-badge {
  font-size: 1rem;
  font-weight: 700;
  color: var(--navy);
}

.cert-icon {
  margin-right: 0.5rem;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.card {
  background: var(--gray-100);
  border: 1px solid var(--gray-200);
  border-radius: 12px;
  padding: 2rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0,0,0,0.08);
}

.card h3 {
  margin-bottom: 0.75rem;
  color: var(--navy);
}

.card p {
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ── About ────────────────────────────────────────────────── */
.about {
  padding: 6rem 0;
  background: var(--navy);
}

.about-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}

.about .section-label { color: var(--accent); }

.about h2 {
  color: var(--white);
  margin-bottom: 1.5rem;
}

.about-text p {
  color: rgba(255,255,255,0.7);
  margin-bottom: 1rem;
  line-height: 1.75;
  font-size: 0.97rem;
}

.about-text strong { color: var(--white); }

.about-stats {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.stat {
  border-left: 3px solid var(--accent);
  padding-left: 1.5rem;
}

.stat-num {
  font-size: 2rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1;
  margin-bottom: 0.4rem;
}

.stat-label {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.55);
}

/* ── Contact ──────────────────────────────────────────────── */
.contact {
  padding: 6rem 0;
  background: var(--gray-100);
}

.contact-inner {
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
}

.contact h2 {
  margin-bottom: 1.25rem;
}

.contact p {
  font-size: 1.05rem;
  margin-bottom: 2rem;
  line-height: 1.7;
}

/* ── Footer ───────────────────────────────────────────────── */
footer {
  background: var(--navy);
  padding: 2rem 0;
  border-top: 1px solid rgba(255,255,255,0.07);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.footer-copy {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.4);
}

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 768px) {
  .about-inner {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .about-stats {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 1.5rem;
  }

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

  .hero { padding: 8rem 0 5rem; }
}
