/* ── Tablet grid utilities ──────────────────────── */
.tablet-grid-1 { grid-template-columns: 1fr !important; }
.tablet-grid-2 { grid-template-columns: repeat(2, 1fr) !important; }
.tablet-grid-3 { grid-template-columns: repeat(3, 1fr) !important; }
.tablet-grid-4 { grid-template-columns: repeat(4, 1fr) !important; }
.tablet-grid-5 { grid-template-columns: repeat(5, 1fr) !important; }

.tablet-span-1 { grid-column: span 1 !important; }
.tablet-span-2 { grid-column: span 2 !important; }
.tablet-span-3 { grid-column: span 3 !important; }
.tablet-span-4 { grid-column: span 4 !important; }

/* ── Nav drawer (tablet + mobile) ──────────────── */

/* Hamburger button — fixed top-right */
.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center; 
  gap: 5px;
  position: fixed;
  top: 8px;
  right: 4%;
  width: 44px;
  height: 44px;
  background: var(--grey);
  border: 1px solid rgba(214,215,216,0.18);
  border-radius: 8px;
  cursor: pointer;
  padding: 10px;
  z-index: 110;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--white);
  border-radius: 2px;
  transition: transform .3s, opacity .3s;
  transform-origin: center;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Backdrop */
.nav-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.55);
  z-index: 55;
  backdrop-filter: blur(2px);
}
body.nav-open .nav-backdrop { display: block; }
body.nav-open { overflow: hidden; }
/* Lift header above backdrop so nav drawer renders on top */
body.nav-open header { z-index: 100; }

/* Nav drawer — slides in from right */
header nav {
  display: flex !important;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  position: fixed;
  top: 0; right: 0; bottom: 0;
  width: 90vw;
  max-width: 420px;
  background-color: var(--dark);
  border-left: 1px solid rgba(214,215,216,0.08);
  z-index: 80;
  padding: 80px 40px 50px;
  gap: 4px;
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform 0.35s cubic-bezier(.4,0,.2,1);
}
header nav.open { transform: translateX(0); }

header nav a {
  display: block;
  font-size: 1.3rem;
  font-weight: 600;
  padding: 12px 0;
  color: var(--white);
  border-bottom: 1px solid rgba(214,215,216,0.06);
  width: 100%;
  margin-left: 0;
}
header nav a:last-of-type { border-bottom: none; }
header nav a .line { display: none; }
header nav a:hover { color: var(--green); }
header nav a.current {
  color: var(--green);
  border: none;
  border-bottom: 1px solid rgba(214,215,216,0.06);
  border-radius: 0;
}
header nav a.button {
  margin-top: 24px;
  background-color: var(--green);
  border: none;
  border-radius: 8px;
  padding: 14px 24px;
  font-size: 1rem;
  color: var(--white);
  text-align: center;
}
header nav a.button:hover { color: var(--white); }

/* Logo inside nav drawer */
header nav .nav-logo {
  display: block;
  width: 240px;
  padding: 0 0 28px 0;
  margin-bottom: 8px;
  border-bottom: 1px solid rgba(214,215,216,0.08);
}
header nav .nav-logo img { display: block; width: 100%; }
header nav .nav-logo:hover { opacity: 0.8; }

/* Push header logo away from fixed hamburger */
header .container { padding-right: 60px; }
header .logo { width: 260px; }

/* ── Typography ─────────────────────────────────── */
h1 { font-size: 3.2rem; }
h2 { font-size: 2.4rem; }

/* ── Spacing ────────────────────────────────────── */
.vpadded { padding-top: 60px; padding-bottom: 60px; }

/* ── Featured project cards ─────────────────────── */
.featured-project { grid-template-columns: 1fr !important; }
.featured-project .project-shot { aspect-ratio: 16/9; min-height: auto; }
.featured-project .featured-copy { padding: 28px; }

/* ── Case studies ───────────────────────────────── */
.case-study { grid-template-columns: 160px 1fr; }
.case-study .cs-logo { padding: 28px 20px; }
.case-study .cs-logo .logo-box { width: 70px; height: 70px; font-size: 1.8rem; }
.case-study .cs-logo .logo-name { font-size: 0.8rem; }
.case-study .cs-body { padding: 28px; }

/* ── Integration logo grid ──────────────────────── */
.int-logo-grid { grid-template-columns: repeat(4, 1fr) !important; }

/* ── Footer CTA right-align → left ─────────────── */
.footer-cta .right { text-align: left !important; }

/* ── Contact form ───────────────────────────────── */
.contact-form .submit-row { flex-wrap: wrap; }