/* =========================================================
   SBS ENGINEERING CONSULTANCY
   RESPONSIVE SYSTEM
   ========================================================= */


/* =========================================================
   TABLET / SMALL LAPTOP
   ========================================================= */

@media (max-width: 1100px) {

  :root {
    --fs-hero: 54px;
    --fs-h2: 32px;
  }

  .container {
    width: min(92%, var(--container-width));
  }

  .nav-links {
    gap: 18px;
  }

  .about-container {
    gap: 40px;
  }

  .credentials-layout {
    gap: 50px;
  }

  .footer-container {
    grid-template-columns:
      1.4fr
      1fr
      1fr;
  }

}


/* =========================================================
   TABLET
   ========================================================= */

@media (max-width: 900px) {

  /* Navigation */

  .navbar {
    position: relative;
  }

  .navbar > .btn {
    display: none;
  }

  .menu-toggle {
    display: grid;
    place-items: center;
  }

  .nav-links {
    position: absolute;

    top: calc(100% + 1px);

    left: 0;
    right: 0;

    display: flex;
    flex-direction: column;
    align-items: stretch;

    gap: 0;

    padding: 10px 20px 20px;

    background: var(--white);

    border-bottom: 1px solid var(--border-color);

    box-shadow: var(--shadow-md);

    opacity: 0;
    visibility: hidden;

    transform: translateY(-8px);

    transition:
      opacity .25s ease,
      visibility .25s ease,
      transform .25s ease;
  }

  .nav-links.active {
    opacity: 1;

    visibility: visible;

    transform: none;
  }

  .nav-links a {
    display: block;

    padding: 13px 8px;
  }


  /* Layouts */

  .about-container {
    grid-template-columns: 1fr;
  }

  .about-image {
    order: 0;
  }

  .values-grid,
  .services-grid,
  .projects-grid,
  .insights-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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


  /* Hero */

  .hero-stats {
    grid-template-columns: 1fr;

    gap: 14px;

    margin-top: 40px;
  }

  .hero-stats .stat-card {
    min-height: 125px;

    padding: 24px 25px;
  }


  /* Testimonials */

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


  /* Credentials */

  .credentials-layout {
    grid-template-columns: 1fr;

    gap: 45px;
  }


  /* Insights */

  .insights-featured-grid {
    grid-template-columns: 1fr;
  }


  /* AI CTA */

  .home-ai-cta-inner {
    flex-direction: column;

    align-items: flex-start;
  }


  /* Footer */

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

}


/* =========================================================
   MOBILE
   ========================================================= */

@media (max-width: 700px) {

  :root {
    --fs-hero: 42px;
    --fs-h2: 28px;
  }

  section {
    padding: 68px 0;
  }

  .container {
    width: 92%;
  }


  /* Hero */

  .hero {
    min-height: 620px;

    padding: 90px 0 60px;
  }

  .hero-buttons {
    flex-direction: column;

    align-items: stretch;
  }

  .hero-buttons .btn {
    width: 100%;
  }

  .hero-stats {
    margin-top: 30px;
  }

  .hero-stats .stat-card {
    min-height: 115px;

    padding: 22px;
  }

  .hero-stats .stat-card p {
    font-size: .98rem;
  }


  /* Page Hero */

  .page-hero {
    padding: 70px 0;
  }


  /* General grids */

  .values-grid,
  .services-grid,
  .projects-grid,
  .insights-grid,
  .contact-grid,
  .process-grid,
  .approach-list {
    grid-template-columns: 1fr;
  }


  /* Project metadata */

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


  /* Forms */

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

  .form-container {
    padding: 28px 20px;
  }


  /* CTA */

  .cta-box {
    padding: 42px 22px;
  }


  /* Testimonials */

  .testimonial-card {
    min-height: 270px;

    padding: 25px;
  }


  /* Credentials */

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

  .credential-strip {
    flex-direction: column;

    gap: 12px;
  }


  /* Insights */

  .insight-image {
    height: 220px;
  }

  .insight-content {
    padding: 22px;
  }


  /* AI */

  .home-ai-cta {
    padding: 70px 0;
  }


  /* Footer */

  .footer-container {
    grid-template-columns: 1fr;

    text-align: center;
  }

  .footer-about img {
    margin: 0 auto 18px;
  }

}


/* =========================================================
   SMALL MOBILE
   ========================================================= */

@media (max-width: 480px) {

  .container {
    width: 92%;
  }

  h1 {
    font-size: 32px;
  }

  h2 {
    font-size: 26px;
  }

  p {
    font-size: 16px;
  }

  .logo img {
    width: 68px;
  }

  .detail-dialog {
    padding: 28px 20px;
  }

  #scrollTop {
    right: 16px;
    bottom: 16px;

    width: 44px;
    height: 44px;
  }

}


/* =========================================================
   EXTRA SMALL DEVICES
   ========================================================= */

@media (max-width: 360px) {

  :root {
    --fs-hero: 36px;
  }

  .hero {
    padding-top: 75px;
  }

  .hero-stats .stat-card {
    padding: 20px;
  }

  .testimonial-card {
    padding: 22px;
  }

  .home-ai-cta h2 {
    font-size: 1.8rem;
  }

}


/* =========================================================
   REDUCED MOTION
   ========================================================= */

@media (prefers-reduced-motion: reduce) {

  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: .01ms !important;

    animation-iteration-count: 1 !important;

    transition-duration: .01ms !important;
  }

}