/* ===================================
   Responsive — Desktop First
   =================================== */

/* --- Large Desktop (≤1400px) --- */
@media (max-width: 1400px) {
  .orbital__ring--4 { width: 580px; height: 580px; }
  .orbital__ring--5 { width: 720px; height: 720px; }
}

/* --- Laptop (≤1200px) --- */
@media (max-width: 1200px) {
  :root {
    --container-padding: 1.5rem;
  }

  .portfolio__grid {
    gap: 1.5rem;
  }

  .orbital__ring--0 { width: 120px; height: 120px; }
  .orbital__ring--1 { width: 180px; height: 180px; }
  .orbital__ring--2 { width: 280px; height: 280px; }
  .orbital__ring--3 { width: 400px; height: 400px; }
  .orbital__ring--4 { width: 520px; height: 520px; }
  .orbital__ring--5 { display: none; }
}

/* --- Tablet (≤900px) --- */
@media (max-width: 900px) {
  /* Panel viewport falls back to normal scroll layout */
  .panel-viewport {
    position: static;
    transform: none;
    opacity: 1;
    width: 100%;
    height: auto;
    overflow: visible;
    pointer-events: auto;
  }
  .panel-viewport__scroll {
    overflow: visible;
    height: auto;
  }
  .panel {
    display: block !important;
  }
  .panel-viewport__close {
    display: none;
  }
  .panel-viewport::before {
    display: none;
  }
  .plans__foundation-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .plans__grid {
    grid-template-columns: 1fr;
    max-width: 420px;
  }

  .about__inner {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .about__label-wrap {
    min-height: auto;
    height: auto;
  }

  .about__label {
    position: relative;
    top: auto;
    transform: none;
    font-size: var(--fs-md);
    margin-bottom: var(--space-sm);
  }

  .service-item__brief {
    display: none;
  }

  .cursor-dot,
  .cursor-ring {
    display: none !important;
  }

  .orbital {
    display: none;
  }

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

/* --- Mobile (≤600px) --- */
@media (max-width: 600px) {
  html {
    scroll-snap-type: none;
  }

  section {
    padding: var(--space-lg) 0;
    scroll-snap-align: none;
  }

  .nav__links {
    display: none;
  }

  .nav__hamburger {
    display: flex;
  }

  .hero__logo-letter {
    font-size: clamp(2.5rem, 8vw, 3.5rem);
  }

  .hero__logo-moon svg {
    height: clamp(2.2rem, 7vw, 3.2rem);
  }

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

  .project-card__info {
    opacity: 1;
    transform: translateY(0);
  }

  .project-card__line {
    transform: scaleX(1);
  }

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

  .plans__foundation {
    padding: var(--space-md);
  }

  .plans__foundation-header {
    flex-direction: column;
    text-align: center;
  }

  .manifesto__text {
    font-size: var(--fs-lg);
  }

  .testimonial__quote {
    font-size: var(--fs-md);
  }

  .contact__heading {
    font-size: var(--fs-lg);
  }

  .contact__grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

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

  .contact__form-wrap {
    padding: var(--space-md);
  }

  .footer__inner {
    flex-direction: column;
    gap: var(--space-sm);
    text-align: center;
  }

  .service-item__left {
    gap: var(--space-sm);
  }

  .service-item__name {
    font-size: var(--fs-md);
  }

  .service-item__content-inner {
    padding-left: calc(2rem + var(--space-sm));
  }
}