/* ---------- Base & Variables ---------- */
:root {
  --navy-950: #0b1220;
  --navy-900: #0b1f3a;
  --navy-800: #122a4d;
  --navy-700: #1a3a66;
  --blue-500: #2f6fed;
  --cyan-400: #00c2ff;
  --gray-50: #f7f9fc;
  --gray-100: #eef1f6;
  --gray-300: #cdd5e0;
  --gray-500: #6b7684;
  --gray-700: #37414f;
  --white: #ffffff;
  --radius: 14px;
  --shadow-sm: 0 2px 8px rgba(11, 18, 32, 0.06);
  --shadow-md: 0 12px 30px rgba(11, 18, 32, 0.12);
  --max-width: 1160px;
  --font: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--gray-700);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a { color: inherit; text-decoration: none; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3, h4 {
  color: var(--navy-900);
  line-height: 1.2;
  margin: 0 0 16px;
}

h1 { font-size: clamp(2rem, 4vw, 3rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.25rem); }
h3 { font-size: 1.15rem; }

p { margin: 0 0 16px; }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--navy-900);
  color: var(--white);
  padding: 10px 16px;
  z-index: 1000;
}
.skip-link:focus { left: 12px; top: 12px; }

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--blue-500);
  margin: 0 0 10px;
}

.section-head { max-width: 640px; margin: 0 auto 48px; text-align: center; }
.section-head .section-sub { color: var(--gray-500); }
.section-sub { color: var(--gray-500); }

section { padding: 88px 0; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.98rem;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  border: 2px solid transparent;
  cursor: pointer;
}
.btn-primary {
  background: linear-gradient(135deg, var(--blue-500), var(--cyan-400));
  color: var(--white);
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-ghost {
  background: transparent;
  color: var(--navy-900);
  border-color: var(--gray-300);
}
.btn-ghost:hover { border-color: var(--blue-500); color: var(--blue-500); }
.btn-block { width: 100%; text-align: center; border: none; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--gray-100);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}
.logo { display: flex; align-items: center; gap: 10px; font-weight: 700; color: var(--navy-900); }
.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--navy-900), var(--blue-500));
  color: var(--white);
  font-size: 0.85rem;
  letter-spacing: 0.02em;
}
.logo-text { font-size: 1.1rem; }
.logo-img { height: 64px; width: auto; display: block; }

.main-nav { display: flex; align-items: center; gap: 32px; }
.main-nav a { font-weight: 600; color: var(--gray-700); font-size: 0.95rem; }
.main-nav a:hover { color: var(--blue-500); }
.nav-cta {
  background: var(--navy-900);
  color: var(--white) !important;
  padding: 10px 20px;
  border-radius: 999px;
}
.nav-cta:hover { background: var(--blue-500); color: var(--white) !important; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span { width: 24px; height: 2px; background: var(--navy-900); border-radius: 2px; }

/* ---------- Hero ---------- */
.hero {
  padding: 100px 0 90px;
  background:
    radial-gradient(circle at 85% 10%, rgba(0, 194, 255, 0.18), transparent 45%),
    linear-gradient(180deg, var(--navy-950), var(--navy-900));
  color: var(--white);
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 56px;
  align-items: center;
}
.hero h1 { color: var(--white); }
.hero-sub { color: #b9c6dc; font-size: 1.08rem; max-width: 560px; }
.hero .eyebrow { color: var(--cyan-400); }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin: 28px 0; }
.hero-actions .btn-ghost { color: var(--white); border-color: rgba(255,255,255,0.35); }
.hero-actions .btn-ghost:hover { border-color: var(--cyan-400); color: var(--cyan-400); }

.hero-trust {
  list-style: none;
  padding: 0;
  margin: 20px 0 0;
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
  font-size: 0.88rem;
  color: #9fb0c9;
}
.hero-trust li { position: relative; padding-left: 20px; }
.hero-trust li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--cyan-400);
}

.hero-visual { display: flex; flex-direction: column; gap: 18px; }
.hero-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  padding: 22px 26px;
  backdrop-filter: blur(4px);
}
.hero-card .stat-num { display: block; font-size: 1.6rem; font-weight: 700; color: var(--cyan-400); }
.hero-card .stat-label { font-size: 0.88rem; color: #b9c6dc; }
.card-2 { margin-left: 32px; }
.card-3 { margin-left: 16px; }

/* ---------- Trust bar ---------- */
.trust-bar {
  padding: 26px 0;
  background: var(--gray-50);
  border-bottom: 1px solid var(--gray-100);
}
.trust-bar p {
  margin: 0;
  text-align: center;
  color: var(--gray-500);
  font-size: 0.92rem;
}

/* ---------- Services ---------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.service-card {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius);
  padding: 30px 26px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.service-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.service-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--navy-900), var(--blue-500));
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}
.service-icon svg { width: 24px; height: 24px; }
.service-card p { color: var(--gray-500); font-size: 0.95rem; }
.service-card ul { padding-left: 18px; margin: 0; color: var(--gray-700); font-size: 0.9rem; }
.service-card li { margin-bottom: 6px; }

/* ---------- Why Us ---------- */
.why-us { background: var(--gray-50); }
.why-inner {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 56px;
  align-items: start;
}
.why-list { margin-top: 28px; display: flex; flex-direction: column; gap: 22px; }
.why-item h4 { margin: 0 0 6px; color: var(--navy-900); font-size: 1.02rem; }
.why-item p { margin: 0; color: var(--gray-500); font-size: 0.95rem; }

.why-stats { display: flex; flex-direction: column; gap: 20px; }
.stat-box {
  background: var(--navy-900);
  color: var(--white);
  border-radius: var(--radius);
  padding: 26px;
  text-align: center;
}
.stat-box .stat-num { display: block; font-size: 1.8rem; font-weight: 700; color: var(--cyan-400); }
.stat-box .stat-label { font-size: 0.85rem; color: #b9c6dc; }

/* ---------- Process ---------- */
.process-steps {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  counter-reset: step;
}
.process-steps li { text-align: left; }
.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue-500), var(--cyan-400));
  color: var(--white);
  font-weight: 700;
  margin-bottom: 16px;
}
.process-steps p { color: var(--gray-500); font-size: 0.92rem; }

/* ---------- About ---------- */
.about { background: var(--white); }
.about-inner { max-width: 760px; margin: 0 auto; text-align: center; }
.about-copy p { color: var(--gray-500); }

/* ---------- Testimonials ---------- */
.testimonials { background: var(--gray-50); }
.testimonial-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.testimonial {
  background: var(--white);
  border-radius: var(--radius);
  padding: 30px;
  margin: 0;
  box-shadow: var(--shadow-sm);
}
.testimonial p { font-style: italic; color: var(--gray-700); }
.testimonial cite { font-style: normal; font-weight: 600; color: var(--navy-900); font-size: 0.9rem; }
.testimonial-note {
  text-align: center;
  font-size: 0.82rem;
  color: var(--gray-500);
  margin-top: 20px;
}

/* ---------- Contact ---------- */
.contact { background: var(--navy-900); color: var(--white); }
.contact h2 { color: var(--white); }
.contact .eyebrow { color: var(--cyan-400); }
.contact .section-sub { color: #b9c6dc; }
.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
}
.contact-details {
  list-style: none;
  padding: 0;
  margin: 24px 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.contact-details li { display: flex; flex-direction: column; gap: 2px; }
.contact-details strong { color: var(--cyan-400); font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.05em; }
.contact-details a, .contact-details span { color: var(--white); font-size: 1.02rem; }
.placeholder-note { font-size: 0.8rem; color: #7d8ba3; }

.contact-form {
  background: var(--white);
  border-radius: var(--radius);
  padding: 32px;
  color: var(--gray-700);
}
.form-row { margin-bottom: 18px; display: flex; flex-direction: column; gap: 6px; }
.form-row label { font-size: 0.88rem; font-weight: 600; color: var(--navy-900); }
.form-row input, .form-row textarea {
  padding: 12px 14px;
  border-radius: 8px;
  border: 1px solid var(--gray-300);
  font-family: inherit;
  font-size: 0.95rem;
  resize: vertical;
}
.form-row input:focus, .form-row textarea:focus { outline: 2px solid var(--blue-500); outline-offset: 1px; }
.form-status { min-height: 20px; font-size: 0.9rem; margin: 12px 0 0; }
.form-status.success { color: #157a45; }
.form-status.error { color: #b3261e; }

/* ---------- Footer ---------- */
.site-footer { background: var(--navy-950); color: #9fb0c9; padding: 40px 0; }
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}
.footer-brand { display: flex; align-items: center; gap: 10px; color: var(--white); font-weight: 700; }
.footer-logo-img {
  height: 48px;
  background: var(--white);
  padding: 4px;
  border-radius: 8px;
}
.footer-nav { display: flex; gap: 22px; flex-wrap: wrap; }
.footer-nav a { font-size: 0.9rem; color: #9fb0c9; }
.footer-nav a:hover { color: var(--cyan-400); }
.footer-copy { width: 100%; text-align: center; font-size: 0.82rem; margin-top: 16px; color: #6b7a90; }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .process-steps { grid-template-columns: repeat(2, 1fr); }
  .hero-inner, .why-inner, .contact-inner { grid-template-columns: 1fr; }
  .testimonial-grid { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .main-nav {
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    align-items: flex-start;
    padding: 20px 24px 28px;
    gap: 18px;
    border-bottom: 1px solid var(--gray-100);
    display: none;
  }
  .main-nav.open { display: flex; }
  .nav-toggle { display: flex; }
  .nav-cta { width: 100%; text-align: center; }
  section { padding: 64px 0; }
  .services-grid { grid-template-columns: 1fr; }
  .process-steps { grid-template-columns: 1fr; }
}
