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

:root {
  --black:      #0a0a0a;
  --dark:       #111317;
  --dark2:      #181c22;
  --blue-light: #a8d4f0;
  --blue-mid:   #5aade0;
  --blue-dark:  #2a7bb5;
  --white:      #ffffff;
  --grey-light: #f0f2f5;
  --grey-mid:   #8a8f99;
  --red:        #c0392b;
  --radius:     14px;
  --nav-h:      120px;
  --transition: 0.25s ease;
}

html { scroll-behavior: smooth; }

body {
  background: var(--black);
  color: var(--white);
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
}

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

/* ─── NAVBAR ────────────────────────────────────────────────── */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 48px;
  background: rgba(10,10,10,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(168,212,240,0.1);
  z-index: 1000;
}

.nav-logo img {
  height: 110px;
  width: auto;
  object-fit: contain;
}

.nav-links {
  display: flex;
  gap: 36px;
  list-style: none;
}

.nav-links a {
  font-size: 0.88rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.7);
  transition: color var(--transition);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 2px;
  background: var(--blue-light);
  transition: width var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--blue-light);
}
.nav-links a:hover::after,
.nav-links a.active::after { width: 100%; }

.nav-cta {
  background: var(--blue-dark);
  color: var(--white) !important;
  padding: 8px 22px;
  border-radius: 6px;
  font-weight: 600 !important;
  transition: background var(--transition) !important;
}
.nav-cta:hover { background: var(--blue-mid) !important; }
.nav-cta::after { display: none !important; }

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 24px; height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}

/* ─── PAGE WRAPPER ──────────────────────────────────────────── */
.page-content { padding-top: var(--nav-h); }

/* ─── SECTION COMMON ────────────────────────────────────────── */
.section {
  padding: 96px 60px;
  max-width: 1400px;
  margin: 0 auto;
}

.section-full {
  padding: 96px 60px;
}

.section-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--blue-light);
  margin-bottom: 14px;
}

.section-title {
  font-size: 2.6rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.5px;
  margin-bottom: 20px;
}

.section-title span { color: var(--blue-light); }

.section-sub {
  font-size: 1rem;
  color: var(--grey-mid);
  max-width: 560px;
  line-height: 1.75;
}

/* ─── BUTTONS ───────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 30px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: var(--transition);
}

.btn-primary {
  background: var(--blue-dark);
  color: var(--white);
}
.btn-primary:hover { background: var(--blue-mid); }

.btn-outline {
  background: transparent;
  color: var(--blue-light);
  border: 1.5px solid var(--blue-light);
}
.btn-outline:hover {
  background: rgba(168,212,240,0.08);
}

/* ─── DIVIDER ───────────────────────────────────────────────── */
.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(168,212,240,0.25), transparent);
  margin: 0 60px;
}

/* ─── FOOTER ────────────────────────────────────────────────── */
footer {
  background: var(--dark2);
  border-top: 1px solid rgba(168,212,240,0.1);
  padding: 56px 60px 32px;
}

.footer-inner {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand img { height: 90px; margin-bottom: 16px; }
.footer-brand p { font-size: 0.85rem; color: var(--grey-mid); line-height: 1.7; max-width: 240px; }

.footer-col h4 {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--blue-light);
  margin-bottom: 18px;
}

.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-col ul li a {
  font-size: 0.87rem;
  color: var(--grey-mid);
  transition: color var(--transition);
}
.footer-col ul li a:hover { color: var(--blue-light); }

.footer-bottom {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.06);
  font-size: 0.8rem;
  color: var(--grey-mid);
}

.footer-socials { display: flex; gap: 12px; }
.footer-socials a {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: rgba(168,212,240,0.08);
  display: flex; align-items: center; justify-content: center;
  transition: background var(--transition);
}
.footer-socials a:hover { background: rgba(168,212,240,0.2); }
.footer-socials svg { width: 14px; height: 14px; fill: var(--blue-light); }

/* ─── RESPONSIVE ────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .section, .section-full { padding: 72px 36px; }
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 36px; }
  .divider { margin: 0 36px; }
}

@media (max-width: 768px) {
  .navbar { padding: 0 24px; }
  .nav-links { 
    display: none;
    position: fixed;
    top: var(--nav-h); left: 0; right: 0;
    background: var(--dark);
    flex-direction: column;
    padding: 24px;
    gap: 0;
    border-bottom: 1px solid rgba(168,212,240,0.1);
  }
  .nav-links.open { display: flex; }
  .nav-links li { border-bottom: 1px solid rgba(255,255,255,0.06); }
  .nav-links a { display: block; padding: 14px 0; }
  .nav-cta { margin-top: 12px; text-align: center; border-radius: 8px; }
  .nav-toggle { display: flex; }
  .section, .section-full { padding: 56px 24px; }
  .section-title { font-size: 1.9rem; }
  footer { padding: 48px 24px 24px; }
  .footer-inner { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; gap: 16px; text-align: center; }
  .divider { margin: 0 24px; }
}