/* ==========================================================================
   VNCHIP TECHNOLOGY JSC - RESPONSIVE STYLESHEET
   Mobile, Tablet, and Desktop Breakpoints
   ========================================================================== */

/* Large Desktops / Laptops (<= 1200px) */
@media (max-width: 1200px) {
  .media-card {
    flex: 0 0 calc((100% - 48px) / 3);
  }
  
  .footer-nav-grid {
    grid-template-columns: 1fr 1.5fr 1fr;
    gap: 40px;
  }
}

/* Tablets & Mobile (<= 992px) */
@media (max-width: 992px) {

  .hero-section {
    min-height: auto;
    background-position: center 28%;
    padding-top: max(240px, 45vw);
    padding-bottom: 35px;
  }

  .stats-bar {
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 20px 0;
  }

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

  .business-card {
    height: 340px;
  }

  .services-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .partner-card {
    flex: 0 0 calc((100% - 30px) / 2);
    min-width: 280px;
  }

  .media-card {
    flex: 0 0 calc((100% - 30px) / 2);
    min-width: 260px;
  }

  .sustainable-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .cta-section-new {
    padding: 20px 0 60px;
    margin: 0;
  }

  .cta-box-new {
    padding: 60px 25px;
    margin-top: 0;
    border-radius: 18px;
  }

  .cta-box-new h2 {
    font-size: 1.5rem;
    line-height: 1.3;
  }

  .btn-cta-large {
    padding: 13px 30px;
    font-size: 1rem;
    gap: 10px;
  }

  .cta-banner-pill {
    flex-direction: column;
    text-align: center;
    gap: 24px;
    border-radius: var(--radius-lg);
    padding: 30px;
  }

  .footer-nav-grid {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .footer-col {
    padding: 24px 0;
    border-right: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  }

  .footer-col:first-child {
    padding-top: 0;
  }

  .footer-col:last-child {
    border-bottom: none;
    padding-bottom: 0;
  }

  .footer-brand-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 24px;
  }
}

/* Small Screens / Mobile (<= 600px) */
@media (max-width: 600px) {
  .hero-section {
    background-position: center 22%;
    padding-top: max(200px, 48vw);
    padding-bottom: 25px;
  }

  .section-title,
  .section-title-tech,
  .section-title-alt,
  .partners-title,
  .sustainable-main-title {
    font-size: 2.2rem;
  }

  .stat-number {
    font-size: 2rem;
  }

  .pill-banner {
    border-radius: var(--radius-md);
    padding: 24px 20px;
  }

  .pill-banner p {
    font-size: 0.98rem;
  }

  .cta-box-new {
    padding: 40px 18px;
  }

  .cta-box-new h2 {
    font-size: 1.25rem;
    line-height: 1.35;
  }

  .btn-cta-large {
    padding: 12px 24px;
    font-size: 0.9rem;
    width: 100%;
    justify-content: center;
  }

  .partner-card {
    flex: 0 0 88%;
    min-width: 260px;
  }

  .media-card {
    flex: 0 0 88%;
    min-width: 250px;
  }

  .sustainable-cards-group {
    flex-direction: column;
  }

  .footer-nav-grid {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .footer-bottom-row {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }

  /* About Us Mobile Adjustments */
  .about-hero-title {
    font-size: 2.2rem;
  }

  .overview-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

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

  .founder-message-box {
    grid-template-columns: 1fr;
  }

  .founder-photo-col {
    padding: 30px 20px 0;
  }

  .founder-quote-col {
    padding: 30px 24px;
  }

  .executives-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .key-team-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

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

  .cleanroom-header-row {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .cleanroom-photos-grid {
    grid-template-columns: 1fr;
  }

  /* Business Mobile Adjustments */
  .biz-hero-title {
    font-size: 2.2rem;
  }

  .biz-tech-box {
    padding: 30px 20px;
    border-radius: 24px;
  }

  .biz-tech-items {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .biz-rd-top-grid {
    grid-template-columns: 1fr;
  }

  .biz-rd-subphotos {
    grid-template-columns: 1fr;
  }

  .biz-success-grid {
    --success-per-view: 1;
  }

  .biz-values-quote {
    font-size: 1.1rem;
  }

  .biz-uni-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
  }

  /* Timeline mobile: swipe horizontally */
  .timeline-track {
    grid-template-columns: repeat(7, 200px);
  }
}

/* Medium Tablets (<= 992px) */
@media (max-width: 992px) and (min-width: 601px) {
  .overview-grid {
    grid-template-columns: 1fr;
  }

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

  .founder-message-box {
    grid-template-columns: 1fr;
  }

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

  .key-team-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .conduct-cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .cleanroom-header-row {
    grid-template-columns: 1fr;
  }

  .cleanroom-photos-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* Business Tablet */
  .biz-tech-items {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .biz-rd-top-grid {
    grid-template-columns: 1fr;
  }

  .biz-success-grid {
    --success-per-view: 2;
  }

  .biz-uni-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  /* Sustainable Tablet */
  .sus-program-grid {
    gap: 24px;
  }

  .sus-cleanroom-grid {
    grid-template-columns: 1fr;
  }

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

  .sus-modules-grid {
    grid-template-columns: 1fr;
  }
}

/* Sustainable Mobile */
@media (max-width: 600px) {
  .sus-steps-grid {
    grid-template-columns: 1fr;
  }

  .sus-detail-hero {
    padding: 140px 0 50px;
  }

  .sus-detail-hero-title {
    font-size: 1.8rem;
  }

  .sus-detail-section {
    padding: 50px 0 60px;
  }

  .sus-hero-title {
    font-size: 2.2rem;
  }

  .sus-program-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .sus-cleanroom-grid {
    grid-template-columns: 1fr;
  }
}

/* Media Center Responsive */
@media (max-width: 992px) {
  .media-page-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }
}

@media (max-width: 600px) {
  .media-hero-title {
    font-size: 2.2rem;
  }

  .media-page-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .media-filter-bar {
    flex-direction: column;
    align-items: stretch;
  }

  .media-filter-pills {
    justify-content: center;
  }

  .media-search-form {
    width: 100%;
  }
}

/* Contact Page Responsive */
@media (max-width: 992px) {
  .contact-main-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

@media (max-width: 600px) {
  .contact-page-title {
    font-size: 2.2rem;
    margin-bottom: 30px;
  }

  .contact-card-box {
    padding: 30px 20px;
    border-radius: 20px;
  }

  .contact-form-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .contact-form-full {
    grid-column: span 1;
  }

  .about-hero-title,
  .biz-hero-title,
  .sus-hero-title,
  .media-hero-title,
  .contact-page-title {
    font-size: 2.4rem !important;
  }

  .about-hero-section,
  .biz-hero-section,
  .sus-hero-section,
  .media-hero-section {
    min-height: 320px !important;
    height: 340px !important;
    padding-top: 100px !important;
    padding-bottom: 35px !important;
  }

  .media-hero-section.media-hero-section--compact {
    min-height: 0 !important;
    height: 200px !important;
    padding: 0 !important;
  }
}


/* Homepage section titles: vnchips_old used 2.5rem at <= 992px (tablet and mobile) */
@media (max-width: 992px) {
  .home-section-title {
    font-size: 2.5rem;
  }
}