/* ==========================================================================
   VELQONTECH — Responsive layer
   Targets: 1920 · 1440 · 1024 · 768 · 430 · 390 · 360
   ========================================================================== */

/* Large desktop (1920 and up): a touch more air */
@media (min-width: 1680px) {
  :root { --container: 1320px; }
  .hero__title { font-size: 5rem; }
}

/* Laptop (≤ 1280) */
@media (max-width: 1280px) {
  .nav__link { padding: 10px 11px; }
  .cap-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

/* Small laptop / large tablet (≤ 1140): collapse desktop nav */
@media (max-width: 1140px) {
  .nav { display: none; }
  .nav-toggle { display: inline-flex; }
  .header-actions .btn--quote { display: none; }
}
@media (min-width: 1141px) {
  .mobile-nav { display: none; }
}

/* Tablet landscape (≤ 1024) */
@media (max-width: 1024px) {
  .hero__inner { grid-template-columns: minmax(0, 1fr); }
  .hero__visual { max-width: 560px; }
  .hero { min-height: auto; padding-top: calc(var(--header-h) + 64px); padding-bottom: 120px; }
  .scroll-cue { display: none; }

  .stats__inner { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stat:nth-child(3)::before { display: none; }
  .stat:nth-child(n+3) { border-top: 1px solid var(--line); }

  .about, .quality, .split { grid-template-columns: minmax(0, 1fr); }
  .about__visual { order: -1; max-width: 520px; width: 100%; }
  .quality__visual { max-width: 420px; width: 100%; }

  .services-grid, .industry-grid, .case-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .cap-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .mvv-grid, .next-steps, .roles { grid-template-columns: repeat(2, minmax(0, 1fr)); }

  .xp { grid-template-columns: minmax(0, 1fr); }
  .xp__tabs {
    position: relative;
    top: 0;
    display: flex;
    gap: 8px;
    overflow-x: auto;
    padding-bottom: 6px;
    margin-inline: calc(var(--gutter) * -1);
    padding-inline: var(--gutter);
    scroll-snap-type: x proximity;
    scrollbar-width: none;
  }
  .xp__tabs::-webkit-scrollbar { display: none; }
  .xp__tab {
    flex: none;
    width: auto;
    padding: 12px 16px;
    border-color: var(--line);
    scroll-snap-align: start;
    white-space: nowrap;
  }

  .why, .faq { grid-template-columns: minmax(0, 1fr); }
  .why__intro, .faq__intro { position: static; }

  .svc-detail { grid-template-columns: minmax(0, 1fr); gap: 32px; }
  .svc-detail__intro { position: static; }
  .svc-detail--flip .svc-detail__intro { order: 0; }

  .contact { grid-template-columns: minmax(0, 1fr); }

  .footer-top { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .footer-brand { grid-column: 1 / -1; }

  .section-head--split { grid-template-columns: minmax(0, 1fr); gap: 16px; }

  .cta-band { grid-template-columns: minmax(0, 1fr); }
}

/* Timeline: switch to vertical (≤ 900) */
@media (max-width: 900px) {
  .timeline__rail {
    left: 27px; right: auto;
    top: 28px; bottom: 28px;
    width: 2px; height: auto;
  }
  .timeline__fill {
    transform-origin: center top;
    transform: scaleY(var(--progress));
  }
  .timeline__steps { grid-template-columns: minmax(0, 1fr); gap: 28px; }
  .step {
    display: grid;
    grid-template-columns: 56px 1fr;
    gap: 20px;
    text-align: left;
    padding: 0;
    align-items: start;
  }
  .step__node { margin: 0; }
  .step__num { margin-top: 4px; }

  .industry-row { grid-template-columns: 48px 1fr; }
  .industry-row__icon { width: 44px; height: 44px; }
  .industry-row > :last-child { grid-column: 2; }
}

/* Tablet portrait (≤ 768) */
@media (max-width: 768px) {
  :root { --header-h: 70px; }

  .services-grid, .industry-grid, .case-grid { grid-template-columns: minmax(0, 1fr); }
  .mvv-grid, .next-steps, .roles { grid-template-columns: minmax(0, 1fr); }
  .why__grid { grid-template-columns: minmax(0, 1fr); }
  .quality__list { grid-template-columns: minmax(0, 1fr); gap: 22px; }
  .xp__grid { grid-template-columns: minmax(0, 1fr); gap: 26px; }

  .stats { margin-top: -40px; }
  .stat { padding: 22px 20px; }

  .form-grid { grid-template-columns: minmax(0, 1fr); }
  .field--half { grid-column: 1 / -1; }

  .footer-top { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-bottom { flex-direction: column; align-items: flex-start; }

  .acc-item__panel p { padding-right: 8px; }

  .orbit__label { font-size: 0.68rem; padding: 6px 10px; }
}

/* Large phones (≤ 520) → covers 430 / 390 */
@media (max-width: 520px) {
  .hero { padding-top: calc(var(--header-h) + 40px); padding-bottom: 96px; }
  .badge { margin-bottom: 22px; }
  .hero__title { letter-spacing: -0.04em; font-size: min(2.45rem, 9.6vw); }
  .hero__lead { margin-bottom: 32px; }
  .btn-row { flex-direction: column; align-items: stretch; }
  .btn-row .btn { width: 100%; }

  .xml-code { font-size: 0.7rem; padding: 14px 14px 10px; }
  .xml-code__line::before { width: 1.4em; margin-right: 0.7em; }
  .xml-panel__head, .xml-checks { padding-inline: 14px; }

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

  .service-card, .industry-card { padding: 26px 22px; }
  .xp__panel { padding: 24px 20px; }
  .svc-block { padding: 22px 20px; }

  .cap-grid { grid-template-columns: minmax(0, 1fr); }

  .case-card__body { padding: 22px 22px 26px; }

  .contact-item { grid-template-columns: 40px 1fr; padding: 14px; gap: 14px; }
  .contact-item__icon { width: 40px; height: 40px; }

  .form-actions .btn { width: 100%; }

  .footer-top { grid-template-columns: 1fr 1fr; gap: 32px 20px; }

  .testimonial { padding: 30px 22px; }

  .wa-float { width: 54px; height: 54px; }
  .wa-float .icon { width: 25px; height: 25px; }
  .to-top { bottom: calc(clamp(16px, 2.5vw, 28px) + 66px); }
}

/* Small phones (≤ 400) → 390 / 360 */
@media (max-width: 400px) {
  :root { --gutter: 18px; }
  .brand__mark { width: 38px; height: 38px; }
  .brand__name { font-size: 1.1rem; }
  .stat { padding: 20px 16px; }
  .stat__value { font-size: 1.75rem; }
  .stat__label { font-size: 0.8rem; }
  .footer-top { grid-template-columns: minmax(0, 1fr); }
  .mini-steps li { font-size: 0.75rem; }
  .xml-code { font-size: 0.64rem; }
  .mobile-nav__link { font-size: 1.3rem; }
}

/* Short, wide screens (landscape phones) */
@media (max-height: 560px) and (orientation: landscape) {
  .hero { min-height: auto; }
  .mobile-nav__link { padding: 10px 4px; font-size: 1.15rem; }
}

/* Hover-less devices: skip hover-only lifts */
@media (hover: none) {
  .service-card:hover, .btn--primary:hover, .btn--ghost:hover { transform: none; }
  .card::before { display: none; }
}

/* Print */
@media print {
  .site-header, .mobile-nav, .wa-float, .to-top, .hero__bg, .scroll-cue { display: none !important; }
  body { background: #fff; color: #111; }
  h1, h2, h3 { color: #000; }
  .js [data-reveal] { opacity: 1 !important; transform: none !important; }
}