/* ============================================================
   AutomaTech Solutions — Global Stylesheet
   Aesthetic: Refined corporate-technical, dark navy foundation
   with steel-blue accent, sharp geometry, precise typography
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Sora:wght@300;400;500;600;700&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;1,9..40,300&display=swap');

/* ── Variables ── */
:root {
  --navy:       #0D1B2A;
  --navy-mid:   #132236;
  --navy-light: #1A2E47;
  --blue:       #1E5FA8;
  --blue-light: #2A7BC8;
  --steel:      #7FA8C9;
  --grey:       #8A9BB0;
  --grey-dark:  #5A6A7E;
  --off-white:  #F0F4F8;
  --white:      #FFFFFF;
  --text-body:  #C8D6E5;
  --text-muted: #7A8FA5;
  --border:     rgba(255,255,255,0.07);
  --border-blue: rgba(30,95,168,0.4);
  --glow:       0 0 40px rgba(30,95,168,0.15);

  --font-display: 'Sora', sans-serif;
  --font-body:    'DM Sans', sans-serif;

  --radius: 6px;
  --transition: 0.25s cubic-bezier(0.4,0,0.2,1);
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  background: var(--navy);
  color: var(--text-body);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}


img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ── Typography ── */
h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.2;
  color: var(--white);
}
h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); font-weight: 700; }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.6rem); }
h3 { font-size: clamp(1.1rem, 2vw, 1.4rem); }

.label {
  font-family: var(--font-display);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--steel);
}

/* ── Layout ── */
.container {
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 32px;
}

section { padding: 100px 0; }

/* ── Nav ── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(13,27,42,0.9);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-wordmark {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--white);
}
.nav-wordmark span { color: var(--blue-light); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-links a {
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  transition: color var(--transition);
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0; right: 0;
  height: 1px;
  background: var(--blue-light);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}
.nav-links a:hover, .nav-links a.active { color: var(--white); }
.nav-links a:hover::after, .nav-links a.active::after { transform: scaleX(1); }

.nav-cta {
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--white) !important;
  background: var(--blue);
  padding: 9px 22px;
  border-radius: var(--radius);
  transition: background var(--transition), transform var(--transition) !important;
}
.nav-cta::after { display: none !important; }
.nav-cta:hover { background: var(--blue-light) !important; transform: translateY(-1px); }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  padding: 13px 28px;
  border-radius: var(--radius);
  transition: all var(--transition);
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--blue);
  color: var(--white);
}
.btn-primary:hover { background: var(--blue-light); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(30,95,168,0.4); }

.btn-ghost {
  background: transparent;
  color: var(--steel);
  border: 1px solid var(--border-blue);
}
.btn-ghost:hover { border-color: var(--steel); color: var(--white); transform: translateY(-2px); }

/* ── Cards ── */
.card {
  background: var(--navy-mid);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 32px;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.card:hover {
  border-color: var(--border-blue);
  transform: translateY(-4px);
  box-shadow: var(--glow);
}

/* ── Divider Line ── */
.rule {
  width: 48px;
  height: 2px;
  background: var(--blue);
  margin-bottom: 24px;
}

/* ── Section Header ── */
.section-header {
  margin-bottom: 64px;
}
.section-header .label { margin-bottom: 12px; }
.section-header h2 { margin-bottom: 16px; }
.section-header p {
  max-width: 560px;
  color: var(--text-muted);
  font-size: 1.05rem;
}

/* ── Grid helpers ── */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }

/* ── Footer ── */
footer {
  background: var(--navy-mid);
  border-top: 1px solid var(--border);
  padding: 56px 0 32px;
  margin-top: auto;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand p {
  margin-top: 16px;
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
  max-width: 260px;
}

.footer-col h4 {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--steel);
  margin-bottom: 18px;
}

.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a {
  font-size: 0.88rem;
  color: var(--text-muted);
  transition: color var(--transition);
}
.footer-col ul li a:hover { color: var(--white); }

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-bottom p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ── Page top padding ── */
.page-top { padding-top: 70px; }

/* ── Geometric bg decoration ── */
.geo-bg {
  position: absolute;
  pointer-events: none;
  z-index: 0;
}

/* ── Noise overlay ── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
  opacity: 0.4;
  pointer-events: none;
  z-index: 9999;
}

/* ── Animations ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes slideRight {
  from { transform: scaleX(0); }
  to   { transform: scaleX(1); }
}

.animate-fade-up {
  opacity: 0;
  animation: fadeUp 0.7s cubic-bezier(0.4,0,0.2,1) forwards;
}
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.25s; }
.delay-3 { animation-delay: 0.4s; }
.delay-4 { animation-delay: 0.55s; }
.delay-5 { animation-delay: 0.7s; }

/* ── Tag/Badge ── */
.tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  font-family: var(--font-display);
  letter-spacing: 0.08em;
  padding: 4px 12px;
  border-radius: 2px;
  background: rgba(30,95,168,0.18);
  border: 1px solid rgba(30,95,168,0.35);
  color: var(--steel);
}

/* ── Responsive ── */
@media (max-width: 900px) {
  .grid-3, .footer-inner { grid-template-columns: 1fr 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .grid-3, .grid-4, .grid-2, .footer-inner { grid-template-columns: 1fr; }
  .container { padding: 0 20px; }
  section { padding: 72px 0; }
  .nav-links { display: none; }
}