/* ═══════════════════════════════════════════
   RESPONSIVE SYSTEM — mobile-first, all pages
   Load after pages.css / polish.css / services-page.css
═══════════════════════════════════════════ */

/* ── Foundation ── */
html {
  overflow-x: clip;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  overflow-x: clip;
  min-width: 0;
}

main,
section,
.section,
.container,
[class*="__grid"],
[class*="__inner"] {
  min-width: 0;
}

img,
video,
iframe,
svg {
  max-width: 100%;
}

table {
  display: block;
  max-width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

/* ── Mobile base (default + up to 767px) ── */
.container {
  padding-inline: clamp(var(--space-4), 4vw, var(--space-8));
}

.btn {
  max-width: 100%;
}

.form__input,
.form__select,
.form__textarea {
  font-size: max(1rem, var(--text-base));
}

.form__row,
.form__row--3 {
  grid-template-columns: 1fr;
}

.form__row--3 .form__group {
  grid-column: auto;
}

.contact__grid,
.about__grid {
  grid-template-columns: 1fr;
  gap: clamp(var(--space-6), 4vw, var(--space-10));
}

.card-grid--overview,
.card-grid--services-page {
  grid-template-columns: 1fr;
}

.page-hero__actions,
.cta-banner__actions,
.home-cta__actions,
.hero__actions {
  flex-direction: column;
  align-items: stretch;
  width: 100%;
}

.page-hero__actions .btn,
.cta-banner__actions .btn,
.home-cta__actions .btn,
.hero__actions .btn {
  width: 100%;
  justify-content: center;
}

.page-hero__title,
.hero__title {
  font-size: clamp(1.625rem, 5.5vw, 2.5rem);
  line-height: var(--leading-tight);
  overflow-wrap: anywhere;
}

.page-hero__desc,
.hero__lead,
.section__desc {
  font-size: clamp(0.9375rem, 3.2vw, 1.0625rem);
}

.section {
  padding-block: clamp(2rem, 5vw, var(--section-padding-y));
}

.section__header {
  margin-bottom: clamp(var(--space-5), 3vw, var(--space-8));
  padding-inline: 0;
}

.process-pipeline {
  flex-direction: column;
  align-items: stretch;
  gap: var(--space-3);
  padding: var(--space-5);
}

.process-step {
  flex-direction: row;
  justify-content: flex-start;
  min-width: 0;
  text-align: left;
  gap: var(--space-3);
}

.process-step__arrow {
  display: none;
}

.workflow,
.tech-grid {
  grid-template-columns: 1fr;
}

.stats__grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.footer__grid,
.footer__grid--expanded {
  grid-template-columns: 1fr;
}

.footer__brand {
  grid-column: auto;
}

.footer__bottom {
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
  text-align: center;
}

.github-repos-showcase {
  grid-template-columns: 1fr;
}

.repo-carousel {
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

.repo-carousel__nav {
  display: none;
}

.repo-carousel__track-wrap {
  margin-inline: 0;
}

.services-outcomes {
  grid-template-columns: 1fr;
}

.services-depth__topics {
  grid-template-columns: 1fr;
}

.services-who,
.services-tuya__layout {
  grid-template-columns: 1fr;
}

.services-receive,
.services-industries,
.services-why {
  grid-template-columns: 1fr;
}

.services-lifecycle-wrap {
  overflow-x: visible;
  padding: var(--space-4);
}

.services-lifecycle {
  flex-direction: column;
  align-items: stretch;
  min-width: 0;
  gap: 0;
  padding: 0;
}

.services-lifecycle__step {
  flex-direction: row;
  align-items: center;
  gap: var(--space-4);
  min-width: 0;
  padding: var(--space-3) var(--space-2);
  text-align: left;
}

.services-lifecycle__label {
  max-width: none;
  font-size: var(--text-sm);
}

.services-lifecycle__step:not(:last-child)::after {
  top: auto;
  bottom: -1.125rem;
  left: 2.0625rem;
  width: 2px;
  height: 2.25rem;
  background: linear-gradient(180deg, rgba(47, 94, 167, 0.35) 0%, rgba(244, 193, 22, 0.65) 100%);
}

.services-lifecycle__step:not(:last-child)::before {
  top: auto;
  bottom: -0.625rem;
  left: 1.75rem;
  right: auto;
  transform: rotate(135deg);
}

body[data-page="services"] [id] {
  scroll-margin-top: calc(var(--header-total) + 3rem);
}

.services-sticky-nav {
  top: var(--header-total);
}

.services-sticky-nav__inner {
  padding-inline: clamp(var(--space-3), 3vw, var(--space-5));
  gap: var(--space-1);
  scrollbar-width: none;
}

.services-sticky-nav__inner::-webkit-scrollbar {
  display: none;
}

.services-sticky-nav__inner a {
  font-size: 0.6875rem;
  padding: var(--space-2) var(--space-3);
}

.industry-featured-grid,
.industry-sector-grid,
.industries-manufacturing-grid,
.industries-credentials__list {
  grid-template-columns: 1fr;
}

.case-study__hero,
.case-study__hero--elenza {
  grid-template-columns: 1fr;
}

.case-study__metrics,
.case-study__metrics--elenza {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.elenza-showcase {
  grid-template-columns: 1fr;
}

.engineering-case__grid,
.engineering-case__grid--elenza {
  grid-template-columns: 1fr;
}

.card--project {
  grid-template-columns: 1fr !important;
}

.media-frame--hero img {
  min-height: clamp(12rem, 42vw, 18rem);
}

#contact .contact-why__list {
  grid-template-columns: 1fr;
}

#contact .contact-card,
#contact .form {
  padding: var(--space-5);
}

.contact-map iframe {
  min-height: 12.5rem;
  height: clamp(12.5rem, 40vw, 16rem);
}

.contact-social {
  flex-wrap: wrap;
  justify-content: flex-start;
}

body[data-page="contact"] .whatsapp-widget {
  right: var(--space-4);
  bottom: var(--space-4);
}

.whatsapp-widget__btn {
  width: 3.25rem;
  height: 3.25rem;
}

.site-header__inner {
  gap: var(--space-3);
  padding-inline: clamp(var(--space-3), 2vw, var(--space-5));
}

.site-header--compact .navbar__toggle {
  border-color: rgba(255, 255, 255, 0.35);
}

.site-header--compact .navbar__toggle-bar {
  background: #ffffff;
}

.mobile-menu {
  padding: var(--space-6);
  padding-bottom: max(var(--space-6), env(safe-area-inset-bottom));
}

.mobile-menu__link {
  min-height: 3rem;
  display: flex;
  align-items: center;
}

/* ── Homepage & shared section grids (mobile base) ── */
.services-overview,
.services-overview--preview,
.strengths-grid,
.strengths-grid--preview,
.industries-preview,
.industries-preview--compact {
  grid-template-columns: 1fr;
}

.project-showcase {
  grid-template-columns: 1fr;
}

.deliverables-grid,
.case-studies-preview,
.case-studies-compact,
.manufacturing-grid {
  grid-template-columns: 1fr;
}

.tech-grid--preview,
.tech-grid--wide {
  grid-template-columns: 1fr;
}

.tech-focus__layout,
.tech-focus__layout--reverse {
  grid-template-columns: 1fr;
}

.tech-focus__cols {
  grid-template-columns: 1fr;
}

.philosophy-grid,
.process-steps {
  grid-template-columns: 1fr;
}

.card-grid--projects {
  grid-template-columns: 1fr;
}

.project-collage {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.section__title {
  font-size: clamp(1.375rem, 4.5vw, var(--text-3xl));
  overflow-wrap: anywhere;
}

.hero__badges {
  flex-wrap: wrap;
  gap: var(--space-2);
}

.hero__badge-check {
  flex-shrink: 0;
}

.eng-differentiators__list {
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-3);
  padding-inline: clamp(var(--space-4), 4vw, var(--space-6));
}

.home-cta__inner {
  flex-direction: column;
  text-align: center;
  gap: var(--space-5);
}

.home-cta__actions {
  justify-content: center;
  width: 100%;
}

.timeline-premium__steps,
.timeline-premium__steps--nine {
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-3);
}

.timeline-premium__step {
  flex: 0 0 calc(50% - var(--space-2));
  min-width: 0;
}

.repo-carousel {
  min-width: 0;
  max-width: 100%;
}

.repo-carousel__track-wrap {
  min-width: 0;
}

.repo-carousel-card {
  flex: 0 0 min(100%, 17.5rem);
}

.about-values,
.about-team {
  grid-template-columns: 1fr;
}

.member-portal__grid {
  grid-template-columns: 1fr;
}

.member-portal__welcome {
  min-width: 0;
}

/* ── Small phones (480px and below) ── */
@media (max-width: 480px) {
  .stats__grid,
  .case-study__metrics,
  .case-study__metrics--elenza {
    grid-template-columns: 1fr;
  }

  .timeline-premium__step {
    flex: 0 0 100%;
  }

  .project-collage {
    grid-template-columns: 1fr;
  }

  .brand-wordmark {
    font-size: var(--text-base);
  }

  .header-logo__img {
    width: 2rem;
    height: 2rem;
  }

  .form {
    padding: var(--space-4);
  }

  .form__captcha-row {
    flex-wrap: wrap;
  }

  .card {
    padding: var(--space-5);
  }

  .services-depth__topic {
    padding: var(--space-4);
  }
}

/* ── Tablet portrait (768px+) ── */
@media (min-width: 768px) {
  .form__row {
    grid-template-columns: 1fr 1fr;
  }

  #contact .form__row--3 {
    grid-template-columns: 1fr 1fr;
  }

  #contact .form__row--3 .form__group:last-child {
    grid-column: 1 / -1;
  }

  .card-grid--overview {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .card-grid--services-page {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .services-outcomes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .services-depth__topics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .services-receive {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .services-industries {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .services-why {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .industry-featured-grid,
  .industry-sector-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .industries-manufacturing-grid,
  .industries-credentials__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .workflow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .tech-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .github-repos-showcase {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .stats__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .footer__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .footer__grid--expanded {
    grid-template-columns: 1fr 1fr;
  }

  .footer__brand {
    grid-column: 1 / -1;
  }

  .page-hero__actions,
  .cta-banner__actions,
  .home-cta__actions {
    flex-direction: row;
    flex-wrap: wrap;
    width: auto;
  }

  .page-hero__actions .btn,
  .cta-banner__actions .btn,
  .home-cta__actions .btn {
    width: auto;
  }

  .hero__actions {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .hero__actions .btn {
    width: auto;
  }

  #contact .contact-why__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .process-pipeline {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
  }

  .process-step {
    flex-direction: column;
    text-align: center;
  }

  .process-step__arrow {
    display: block;
  }

  .elenza-showcase {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .services-overview,
  .services-overview--preview {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .strengths-grid,
  .strengths-grid--preview {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .industries-preview,
  .industries-preview--compact {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .tech-grid--preview {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .tech-grid--wide {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .deliverables-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .case-studies-preview,
  .case-studies-compact {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .manufacturing-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .tech-focus__cols {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .home-cta__inner {
    flex-direction: row;
    flex-wrap: wrap;
    text-align: left;
    justify-content: space-between;
    align-items: center;
  }

  .home-cta__actions {
    width: auto;
  }

  .eng-differentiators__list {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
  }

  .project-collage {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ── Tablet landscape / small desktop (1024px+) ── */
@media (min-width: 1024px) {
  .contact__grid {
    grid-template-columns: minmax(16rem, 0.92fr) minmax(0, 1.08fr);
  }

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

  .card-grid--services-page {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .services-outcomes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .services-depth__topics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .github-repos-showcase {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .workflow {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .tech-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .stats__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .footer__grid--expanded {
    grid-template-columns: 1.5fr repeat(4, minmax(0, 1fr));
  }

  .footer__brand {
    grid-column: auto;
  }

  #contact .form__row--3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  #contact .form__row--3 .form__group:last-child {
    grid-column: auto;
  }

  #contact .contact-why__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .services-sticky-nav__inner a {
    font-size: var(--text-xs);
  }

  .services-overview--preview {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .strengths-grid--preview {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .industries-preview--compact {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .tech-grid--preview {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .tech-grid--wide {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .deliverables-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .case-studies-preview {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .project-showcase {
    grid-template-columns: 1.1fr 1fr;
  }

  .philosophy-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .process-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .card-grid--projects {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .timeline-premium__steps--nine .timeline-premium__step {
    flex: 0 0 calc(33.33% - var(--space-4));
  }
}

/* ── Large desktop (1280px+) — preserve existing layout ── */
@media (min-width: 1280px) {
  .contact__grid {
    grid-template-columns: 0.9fr 1.4fr;
  }

  .github-repos-showcase {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ── Safe areas (notched devices) ── */
@supports (padding: max(0px)) {
  body {
    padding-left: max(0px, env(safe-area-inset-left));
    padding-right: max(0px, env(safe-area-inset-right));
  }

  body[data-page="contact"] .whatsapp-widget {
    bottom: max(var(--space-4), env(safe-area-inset-bottom));
    right: max(var(--space-4), env(safe-area-inset-right));
  }
}

/* ── Touch / coarse pointer ── */
@media (hover: none) and (pointer: coarse) {
  .btn,
  .navbar__toggle,
  .mobile-menu__link,
  .contact-social__link,
  .footer__social-link,
  .services-sticky-nav__inner a {
    min-height: 2.75rem;
  }

  .card:hover,
  .media-frame:hover,
  .services-outcome-card:hover {
    transform: none;
  }
}