/* ===== HAMBURGER ===== */
.nav-hamburger {
  display: none; flex-direction: column; justify-content: center; align-items: center; gap: 5px;
  width: 44px; height: 44px; background: none; border: none; cursor: pointer;
  padding: 4px; border-radius: 6px; transition: background .2s;
}
.nav-hamburger:hover { background: var(--surface2); }
.nav-hamburger span {
  display: block; width: 20px; height: 1.5px; background: var(--text);
  border-radius: 2px; transition: transform .3s ease, opacity .3s ease;
  transform-origin: center;
}
.nav-hamburger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ===== MENU BACKDROP OVERLAY ===== */
.menu-overlay {
  position: fixed; inset: 0; z-index: 185;
  background: rgba(9,26,13,.4);
  backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px);
  opacity: 0; visibility: hidden; pointer-events: none;
  transition: opacity .25s ease, visibility 0s linear .25s;
}
.menu-overlay.open {
  opacity: 1; visibility: visible; pointer-events: auto;
  transition: opacity .25s ease, visibility 0s linear 0s;
}

/* ===== MOBILE MENU DRAWER ===== */
.mobile-menu {
  display: flex; position: fixed; top: 80px; left: 0; right: 0; z-index: 190;
  background: rgba(247,252,249,.98); backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 1.5rem 1.5rem 2rem;
  flex-direction: column; gap: 0;
  transform: translateY(-8px); opacity: 0;
  visibility: hidden; pointer-events: none;
  transition: transform .25s ease, opacity .25s ease, visibility 0s linear .25s;
}
.mobile-menu.open {
  transform: translateY(0); opacity: 1;
  visibility: visible; pointer-events: auto;
  transition: transform .25s ease, opacity .25s ease, visibility 0s linear 0s;
}
.mobile-menu a {
  text-decoration: none; color: var(--text2); font-size: 17px; font-weight: 500;
  padding: 1rem 0; border-bottom: 1px solid var(--border);
  transition: color .2s;
}
.mobile-menu a:hover { color: var(--primary); }
.mobile-menu a:last-child { border-bottom: none; }
.mobile-nav-group {
  font-size: .7rem; font-weight: 600; text-transform: uppercase;
  letter-spacing: .08em; color: var(--muted);
  padding: .875rem 0 .2rem; display: block;
}
.mobile-nav-sub { padding-left: 1rem !important; font-size: 15px !important; color: var(--muted) !important; }
.mobile-menu .btn-primary {
  display: flex; width: 100%;
  margin-top: 1.25rem; justify-content: center; font-size: 18px; padding: 13px 20px; color: #fff;
}
.mobile-menu .btn-primary:hover { color: #fff; transform: none; }

/* ===== TABLET / MOBILE (≤960px) ===== */
@media (max-width: 960px) {
  .section { padding: 6rem 0; }
  .hero-copy { padding: 60px 2rem 3rem; max-width: 100%; }
  .hero::before { background: none; }
  .hero-mockup { display: none; }
  .hero-mobile-bg {
    display: block;
    position: absolute; inset: 0; z-index: 0;
    pointer-events: none;
  }
  .hero-mobile-bg img {
    width: 100%; height: 100%;
    object-fit: cover; object-position: right bottom;
    display: block;
  }
  .hero-copy { position: relative; z-index: 2; }
  .feature-grid, .feature-grid.reverse { grid-template-columns:1fr; direction:ltr; gap:3rem; }
  .mkchk-cards { grid-template-columns:1fr; }
  .infra-cards { grid-template-columns:repeat(2,1fr); }
  .stats-grid  { grid-template-columns:repeat(2,1fr); }
  .adv-cards   { grid-template-columns:repeat(2,1fr); }
  .platform-cards { grid-template-columns:1fr; }
  .numbered-feat { gap:1.25rem; padding:1.5rem; }
  .compliance-checklist-items { grid-template-columns:1fr; }
  .network-inner { grid-template-columns:1fr; gap:3rem; }
  .nav-links   { display:none; }
  .nav-hamburger { display:flex; }
  .footer-inner { flex-direction:column; text-align:center; }
  .footer-links { flex-wrap:wrap; justify-content:center; }
  nav { padding: 0 1.5rem; }
  .nav-right > .btn { display: none; }
  .h2-nowrap-first { font-size: clamp(1.5rem, 4vw, 2rem); }
  .h2-nowrap-first span { white-space: normal; }
  .trust-logos { gap:1.5rem; }
}

/* ===== REDUCED MOTION ===== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  .fade-up { opacity: 1 !important; transform: none !important; transition: none !important; }
}

/* ===== LARGE SCREEN (≥1600px) ===== */
@media (min-width: 1600px) {
  nav          { padding: 0 calc((100vw - 1400px) / 2); }
  .hero-copy   { padding: 0 0 0 calc((100vw - 1400px) / 2); max-width: calc((100vw - 1400px) / 2 + 680px); }
  .hero h1     { font-size: clamp(4rem, 4vw, 5rem); }
  .hero-sub    { font-size: 20px; max-width: 540px; }
  .hero-mockup { left: 20%; }
}

/* ===== TABLET STACKING (≤768px) ===== */
@media (max-width: 768px) {
  .role-cards { grid-template-columns:1fr; }
  .adv-cards  { grid-template-columns:1fr; }
}

/* ===== SMALL MOBILE (≤600px) ===== */
@media (max-width: 600px) {
  .hero h1 { font-size: clamp(2.6rem, 11vw, 3.4rem); }
  .hero-h1-nowrap { white-space: normal; }
  .plat-acc-trigger { grid-template-columns:1fr auto; padding:1.1rem; gap:.75rem; }
  .plat-acc-body-inner { padding:.25rem 1.1rem 1.1rem 1.1rem; }
  .plat-acc-num { display:none; }
  .section { padding: 5rem 0; }
  .hero-actions { flex-direction:column; align-items:flex-start; }
  .trust-logos  { gap:1rem; }
  .comparison   { grid-template-columns:1fr; }

  .infra-cards  { grid-template-columns:1fr; }
  .stats-grid   { grid-template-columns:1fr; }
  .numbered-feat { flex-direction:column; gap:.75rem; }
  .numbered-feat-num { font-size:1.5rem; width:auto; }
  .final-cta-actions { flex-direction:column; }
}