/* ══════════════════════════════════════════
   LEM — Responsive Styles
   Tablet  ≤ 1024px
   Mobile  ≤  600px
   ══════════════════════════════════════════ */

/* ── HAMBURGER BUTTON ── */
.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
  margin-left: 16px;
  z-index: 200;
  flex-shrink: 0;
}

.nav-hamburger span {
  display: block;
  height: 1px;
  background: var(--text);
  border-radius: 1px;
  transition: transform 0.35s ease, opacity 0.25s ease, width 0.3s ease;
  transform-origin: center;
}

.nav-hamburger span:nth-child(1) { width: 24px; }
.nav-hamburger span:nth-child(2) { width: 18px; }
.nav-hamburger span:nth-child(3) { width: 24px; }

/* Open state → X */
.nav-hamburger.is-open span:nth-child(1) {
  width: 22px;
  transform: translateY(6px) rotate(45deg);
}
.nav-hamburger.is-open span:nth-child(2) {
  opacity: 0;
  width: 0;
}
.nav-hamburger.is-open span:nth-child(3) {
  width: 22px;
  transform: translateY(-6px) rotate(-45deg);
}

/* ── MOBILE DRAWER ── */
.nav-drawer {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 90;
  background: rgba(7,12,22,0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--dim2);
  padding: 0 28px 32px;
  transform: translateY(-110%);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  pointer-events: none;
}

.nav-drawer.is-open {
  transform: translateY(0);
  pointer-events: auto;
}

/* Spacer so drawer content starts below the fixed nav bar */
.nav-drawer-inner {
  padding-top: 80px;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.nav-drawer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
}

.nav-drawer-links li {
  border-bottom: 1px solid var(--dim2);
}

.nav-drawer-links a {
  display: block;
  padding: 18px 4px;
  font-size: 0.72rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--text-soft);
  text-decoration: none;
  transition: color 0.25s, padding-left 0.25s;
}

.nav-drawer-links a:hover,
.nav-drawer-links a.nav-active {
  color: var(--gold);
  padding-left: 10px;
}

/* Lang switcher inside drawer */
.nav-drawer-lang {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--dim2);
}

.nav-drawer-lang .lang-btn {
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  padding: 6px 10px;
  border: 1px solid var(--dim2);
  color: var(--text-muted);
  background: none;
  cursor: pointer;
  font-family: 'Montserrat', sans-serif;
  text-transform: uppercase;
  transition: color 0.25s, border-color 0.25s;
}

.nav-drawer-lang .lang-btn:hover,
.nav-drawer-lang .lang-btn.active {
  color: var(--gold);
  border-color: rgba(201,168,76,0.4);
}

.nav-drawer-lang .lang-sep {
  color: var(--dim);
  font-size: 0.4rem;
  pointer-events: none;
}

/* ══════════════════════════════════════════
   TABLET  (≤ 1024px)
   ══════════════════════════════════════════ */
@media (max-width: 1024px) {
  nav {
    padding: 22px 36px;
  }

  .nav-links {
    gap: 24px;
  }

  .nav-links a {
    font-size: 0.62rem;
  }

  .lang-switcher {
    margin-left: 16px;
    gap: 4px;
  }

  section {
    padding: 90px 40px;
  }

  #about,
  #global {
    gap: 50px;
  }

  .hero-logo {
    width: 360px;
  }
}

/* ══════════════════════════════════════════
   MOBILE NAV BREAKPOINT  (≤ 860px)
   Nav collapses to hamburger
   ══════════════════════════════════════════ */
@media (max-width: 860px) {
  /* Hide desktop nav items */
  .nav-links,
  .lang-switcher {
    display: none !important;
  }

  /* Show hamburger */
  .nav-hamburger {
    display: flex;
  }

  nav {
    padding: 20px 24px;
  }
}

/* ══════════════════════════════════════════
   MOBILE  (≤ 600px)
   ══════════════════════════════════════════ */
@media (max-width: 600px) {
  section {
    padding: 70px 20px;
  }

  #about,
  #global {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .about-visual {
    display: none;
  }

  .hero-logo {
    width: 200px;
  }

  .hero-name {
    font-size: clamp(1.8rem, 8vw, 2.8rem);
    letter-spacing: 0.12em;
  }

  .hero-cta {
    flex-direction: column;
    align-items: center;
    width: 100%;
  }

  .hero-cta a {
    width: 100%;
    text-align: center;
  }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }

  .cards-grid {
    grid-template-columns: 1fr;
  }

  .contact-form {
    padding: 36px 24px;
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .form-footer {
    flex-direction: column;
    align-items: flex-start;
  }

  .form-submit {
    width: 100%;
    text-align: center;
  }

  footer {
    flex-direction: column;
    gap: 10px;
    text-align: center;
    padding: 28px 20px;
  }

  .clients-reel {
    gap: 60px;
  }

  .client-img {
    height: 36px;
  }

  .case-study {
    grid-template-columns: 1fr;
    gap: 36px;
    margin-top: 48px;
    padding-top: 40px;
  }

  /* Pricing */
  .pricing-grid {
    grid-template-columns: 1fr;
  }

  .pricing-hero {
    padding: 110px 20px 60px;
  }

  .pricing-section {
    padding: 40px 20px 60px;
  }

  .pricing-note {
    padding: 50px 20px 80px;
  }
}