/* ==========================================================================
   05 — RESPONSIVE
   نقطه‌های شکست (mobile-first): 450 / 580 / 768 / 1024 / 1250 + کاهش حرکت
   ========================================================================== */

/*---------------------------------*\
  #RESPONSIVE (mobile-first)
\*---------------------------------*/

/* ≥ 450px */
@media (min-width: 450px) {
  main { margin: 18px 20px 110px; }
  .service-item { padding: 20px; }
}

/* ≥ 580px : tablet portrait / large phones */
@media (min-width: 580px) {
  article,
  .sidebar {
    width: 540px;
    max-width: calc(100% - 40px);
    margin-inline: auto;
    padding: 30px;
  }
  main { margin: 56px auto 110px; max-width: 580px; }

  .sidebar { margin-bottom: 22px; }

  .avatar-box { width: 112px; height: 112px; border-radius: 36px; }
  .avatar-box img, .avatar-box::after { border-radius: 33px; }
  .sidebar-info { gap: 24px; }
  .info-content .name { font-size: var(--fs-h2); }

  .sidebar-actions { margin-top: 20px; }

  .navbar { max-width: 380px; }

  .service-list { gap: 16px; }
  .service-item { gap: 20px; padding: 24px; }
  .service-icon-box { width: 60px; height: 60px; }
  .service-icon-box img { width: 30px; max-height: 30px; }

  .testimonials-list { margin: 0 -30px; padding: 30px 30px 18px; }
  .testimonials-item { flex-basis: min(80%, 440px); }
  .testimonials-item .content-card { padding: 40px 26px 26px; }
  .testimonials-avatar-box { inset-inline-start: 26px; width: 70px; height: 70px; }

  .clients-list { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .clients-item:last-child:nth-child(odd) { grid-column: auto; }

  .timeline-list { margin-inline-start: 12px; }

  .modal-container { padding: 24px; }
  .testimonials-modal {
    display: flex;
    flex-direction: row;
    align-items: stretch;
    gap: 26px;
    padding: 30px;
    border-radius: var(--r-lg);
  }
  .modal-img-wrapper { flex-shrink: 0; margin-bottom: 0; }
  .modal-avatar-box { width: 100px; height: 100px; }
  .modal-content { min-width: 0; padding-top: 4px; }
  .modal-title { padding-inline-end: 42px; }

  .mapbox { height: 340px; border-radius: var(--r-lg); }
  .input-wrapper { gap: 14px; }
  .form-input { padding: 15px 20px; }
  textarea.form-input { margin-bottom: 16px; }
  .form-btn { font-size: var(--fs-body); padding: 15px 22px; }
}

/* ≥ 768px : tablet landscape */
@media (min-width: 768px) {
  article,
  .sidebar {
    width: 700px;
    max-width: calc(100% - 40px);
    padding: 36px;
  }
  main { max-width: 740px; }

  .avatar-box { width: 120px; height: 120px; }
  .avatar-box img, .avatar-box::after { border-radius: 35px; }

  .contacts-list { grid-template-columns: 1fr 1fr; gap: 14px; }
  .navbar { max-width: 400px; }

  .filter-select-box { display: none; }
  .filter-list { display: flex; }

  .project-list,
  .blog-posts-list { grid-template-columns: 1fr 1fr; gap: 22px; }

  .input-wrapper { grid-template-columns: 1fr 1fr; }
  .form-btn { width: max-content; min-width: 200px; margin-inline-start: auto; }

  .skills-list { padding: 26px; }
}

/* ≥ 1024px : desktop — top navigation bar, wide cards */
@media (min-width: 1024px) {
  article,
  .sidebar {
    width: 960px;
    max-width: calc(100% - 40px);
    padding: 44px;
  }
  main { max-width: 1000px; margin: 0 auto 80px; padding-top: 16px; }
  .main-content { position: relative; width: 100%; }

  /* navbar: horizontal glass capsule, sticky on top */
  .navbar {
    position: sticky;
    top: 16px;
    bottom: auto;
    left: auto;
    right: auto;
    width: max-content;
    max-width: 100%;
    margin: 0 auto 26px;
    padding: 6px;
    border-radius: var(--r-pill);
    background: var(--nav-bg-desktop);
  }
  .navbar-list { gap: 6px; }
  .navbar-link {
    flex-direction: row;
    gap: 10px;
    padding: 10px 22px;
    border-radius: var(--r-pill);
    font-size: var(--fs-small);
  }
  .navbar-icon { font-size: 1.05rem; width: 1.1em; height: 1.1em; }
  .navbar-label { font-size: var(--fs-small); }
  .navbar-link.active .navbar-icon { transform: none; }

  .service-list { grid-template-columns: 1fr 1fr; gap: 18px; }
  .testimonials-list { margin: 0 -36px; padding: 30px 36px 18px; }
  .testimonials-item { flex-basis: calc(50% - 8px); }
  .clients-list { grid-template-columns: repeat(3, minmax(0, 1fr)); }

  .project-list { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .blog-posts-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }

  .modal-container { padding: 32px; }
  .testimonials-modal { max-width: 720px; }
}

/* ≥ 1250px : two-column layout with sticky profile sidebar */
@media (min-width: 1250px) {
  main {
    max-width: 1240px;
    width: 100%;
    margin: 0 auto 80px;
    padding: 0 24px;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    gap: 28px;
    box-sizing: border-box;
  }
  .main-content {
    flex: 1 1 0;
    min-width: 0;
    width: auto;
    max-width: none;
    margin: 0;
  }
  .sidebar {
    position: sticky;
    top: 24px;
    flex: 0 0 340px;
    width: 340px;
    max-width: 340px;
    height: auto;
    margin: 0;
    padding: 30px 26px;
    overflow: visible;
    align-self: flex-start;
  }
  .sidebar-info {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 16px;
  }
  .avatar-box { width: 160px; height: 160px; border-radius: 46px; }
  .avatar-box img, .avatar-box::after { border-radius: 43px; }
  .info-content { text-align: center; }
  .info-content .name { white-space: nowrap; }
  .info-content .title { margin-inline: auto; }

  .info_more-btn { display: none !important; }
  .sidebar-actions { justify-content: center; margin-top: 18px; }
  .sidebar-info_more {
    height: auto !important;
    opacity: 1 !important;
    visibility: visible !important;
  }
  .contacts-list { grid-template-columns: 1fr; gap: 10px; margin-top: 0; }
  .social-list { justify-content: center; gap: 8px; }
  .social-item .social-link { width: 38px; height: 38px; font-size: 16px; }
  .separator { margin: 20px 0; }

  .navbar { margin-inline: 0; margin-bottom: 22px; }

  article { width: 100%; max-width: 100%; margin: 0; padding: 40px; min-height: 100%; }
  .testimonials-list { margin: 0 -40px; padding-inline: 40px; }
  .testimonials-item { flex-basis: calc(50% - 8px); }
  .service-list { grid-template-columns: 1fr; }
  .modal-container { padding: 32px; }
  .testimonials-modal { max-width: 720px; }
}

/* ---------- Mobile-only fixes (shape & alignment) ---------- */
@media (max-width: 579px) {
  .sidebar { padding: 22px 18px 20px; }
  .info-content .name { font-size: var(--fs-h3); }
  .navbar-link { padding: 7px 2px; }
  .navbar-label { font-size: 0.6875rem; }
}

/* ---------- Motion preferences ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .js .reveal { opacity: 1; translate: none; scale: none; }
}