/* ── TSSG SHARED STYLES ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --dark: #0b0f19;
  --dark-mid: #111827;
  --dark-card: #161d2e;
  --teal: #00c4a7;
  --teal-dark: #00897b;
  --teal-light: #33d4bc;
  --teal-glow: rgba(0,196,167,0.12);
  --white: #ffffff;
  --off-white: #e8edf5;
  --gray: #8899aa;
  --border: rgba(255,255,255,0.08);
  --border-teal: rgba(0,196,167,0.25);
}
html { scroll-behavior: smooth; }
body { font-family: 'Inter', sans-serif; background: var(--dark); color: var(--white); font-weight: 400; line-height: 1.6; overflow-x: hidden; }
nav { position: fixed; top: 0; left: 0; right: 0; z-index: 100; display: flex; align-items: center; justify-content: space-between; padding: 1rem 4vw; background: rgba(11,15,25,0.92); backdrop-filter: blur(16px); border-bottom: 1px solid var(--border); }
.nav-logo img { height: 38px; width: auto; }
.nav-links { display: flex; gap: 2rem; list-style: none; align-items: center; }
.nav-links a { font-size: 0.82rem; font-weight: 500; letter-spacing: 0.08em; text-transform: uppercase; color: var(--gray); text-decoration: none; transition: color 0.2s; }
.nav-links a:hover, .nav-links a.active { color: var(--white); }
.nav-cta { color: var(--white) !important; border: 1.5px solid var(--teal) !important; border-radius: 100px; padding: 0.5rem 1.4rem !important; transition: background 0.2s !important; }
.nav-cta:hover { background: var(--teal) !important; color: var(--dark) !important; }
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; }
.hamburger span { display: block; width: 24px; height: 2px; background: var(--white); }
.btn-teal-solid { font-size: 0.8rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--dark); background: var(--teal); border: 1.5px solid var(--teal); border-radius: 100px; padding: 0.8rem 1.8rem; text-decoration: none; transition: all 0.2s; display: inline-block; }
.btn-teal-solid:hover { background: var(--teal-light); border-color: var(--teal-light); }
.btn-outline { font-size: 0.8rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--off-white); border: 1.5px solid rgba(255,255,255,0.22); border-radius: 100px; padding: 0.8rem 1.8rem; text-decoration: none; transition: all 0.2s; display: inline-block; }
.btn-outline:hover { border-color: var(--white); color: var(--white); }
footer { background: #070b14; padding: 3rem 4vw 2rem; border-top: 1px solid var(--border); }
.footer-inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1.5rem; margin-bottom: 2rem; }
.footer-logo img { height: 28px; width: auto; filter: brightness(0) invert(1); opacity: 0.65; }
.footer-links { display: flex; gap: 1.5rem; list-style: none; flex-wrap: wrap; }
.footer-links a { font-size: 0.75rem; font-weight: 500; letter-spacing: 0.08em; text-transform: uppercase; color: var(--gray); text-decoration: none; transition: color 0.2s; }
.footer-links a:hover { color: var(--teal); }
.footer-copy { font-size: 0.75rem; color: var(--gray); opacity: 0.4; text-align: center; border-top: 1px solid var(--border); padding-top: 1.5rem; }
.fade-in { opacity: 0; transform: translateY(20px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-in.visible { opacity: 1; transform: none; }
@media (max-width: 768px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .nav-links.open { display: flex; flex-direction: column; position: fixed; top: 65px; left: 0; right: 0; background: var(--dark); padding: 1.5rem 4vw 2rem; border-bottom: 1px solid var(--border); gap: 1.25rem; }
}