/* ============================================================
   Responsive — Tablet & Mobile
   ============================================================ */

/* ── Tablet (≤ 1024px) ── */
@media (max-width: 1024px) {
  .hero .container         { grid-template-columns: 1fr; gap: var(--sp-12); }
  .hero__content           { max-width: 100%; text-align: center; }
  .hero__label             { justify-content: center; }
  .hero__cta               { justify-content: center; }
  .hero__stats             { justify-content: center; }
  .hero__subtitle          { margin-inline: auto; }
  .hero__visual            { display: flex; justify-content: center; }
  .hero__code-card         { max-width: 480px; width: 100%; }

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

  .beyond__content         { grid-template-columns: 1fr; gap: var(--sp-10); }
  .beyond__text            { text-align: center; }
  .beyond__text .section__label,
  .beyond__text .section__title { text-align: center; }

  .about__content          { grid-template-columns: 1fr 240px; gap: var(--sp-10); }
  .about__values-list      { grid-template-columns: repeat(3, 1fr); }

  .contact__content        { grid-template-columns: 1fr; }
  .contact__cta            { min-width: auto; }

  /* Timeline: single column */
  .timeline::before { left: 28px; transform: none; }
  .timeline__item {
    grid-template-columns: 56px 1fr;
    grid-template-rows: auto;
  }
  .timeline__item--left  .timeline__card,
  .timeline__item--right .timeline__card {
    grid-column: 2;
    grid-row: 1;
    margin: 0;
  }
  .timeline__connector {
    grid-column: 1;
    grid-row: 1;
    justify-content: center;
    padding-top: var(--sp-5);
  }
  .reveal-left,
  .reveal-right { transform: translateY(32px); }
}

/* ── Mobile (≤ 768px) ── */
@media (max-width: 768px) {
  :root { scroll-padding-top: 70px; }

  .section { padding: var(--sp-16) 0; }
  .section__title { font-size: var(--text-3xl); }

  /* Navbar */
  .navbar__links {
    position: fixed;
    top: 64px; left: 0; right: 0;
    background: var(--nav-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: stretch;
    padding: var(--sp-4);
    gap: var(--sp-1);
    border-bottom: 1px solid var(--border-subtle);
    transform: translateY(-120%);
    transition: transform var(--t-base);
    pointer-events: none;
    margin: 0;
  }
  .navbar__links.is-open {
    transform: translateY(0);
    pointer-events: all;
  }
  .navbar__link {
    padding: var(--sp-3) var(--sp-4);
    border-radius: var(--r-md);
  }
  .navbar__link::after { display: none; }
  .navbar__hamburger { display: flex; }
  .navbar__controls  { margin-left: 0; }

  /* Hero */
  .hero { padding: 90px 0 var(--sp-16); }
  .hero__title { font-size: var(--text-4xl); }
  .hero__subtitle { font-size: var(--text-base); }
  .hero__cta { flex-direction: column; align-items: center; }
  .hero__cta .btn { width: 100%; max-width: 260px; justify-content: center; }
  .hero__stats { gap: var(--sp-4); }
  .hero__stat-number { font-size: var(--text-2xl); }
  .hero__scroll-indicator { display: none; }

  /* Trust marquee */
  .trust__track { animation-duration: 14s; }

  /* Services */
  .services__grid { grid-template-columns: 1fr; }
  .service-card   { padding: var(--sp-6); }

  /* Timeline */
  .timeline::before { left: 20px; }
  .timeline__item { grid-template-columns: 44px 1fr; }
  .timeline__card-header { flex-direction: column; gap: var(--sp-3); }
  .timeline__meta { text-align: left; }
  .timeline__connector { justify-content: center; }
  .timeline__dot { width: 14px; height: 14px; }

  /* Projects */
  .projects__grid { grid-template-columns: 1fr; }

  /* Beyond */
  .beyond__photo-grid { grid-template-columns: 1fr 1fr; }

  /* About */
  .about__content          { grid-template-columns: 1fr; gap: var(--sp-10); }
  .about__photo-col        { position: static; max-width: 300px; margin: 0 auto; }
  .about__text .section__label,
  .about__text .section__title { text-align: center; }
  .about__text             { text-align: center; }
  .about__bio              { max-width: 100%; }
  .about__skills           { justify-content: center; }
  .about__values-list      { grid-template-columns: repeat(2, 1fr); }
  .value-flip__inner       { height: 130px; }

  /* Contact */
  .contact__content { grid-template-columns: 1fr; gap: var(--sp-8); }
  .contact__card-value { font-size: var(--text-xs); }

  /* Modal */
  .modal { padding: var(--sp-4); align-items: flex-end; }
  .modal__container { max-height: 92vh; border-radius: var(--r-2xl) var(--r-2xl) 0 0; }
  .modal__header,
  .modal__body   { padding-inline: var(--sp-5); }

  /* Footer */
  .footer__links { flex-direction: column; gap: var(--sp-3); }
}

/* ── Small Mobile (≤ 480px) ── */
@media (max-width: 480px) {
  .container { padding: 0 var(--sp-4); }
  .hero__title { font-size: var(--text-3xl); }
  .hero__stats { flex-direction: column; align-items: center; gap: var(--sp-4); }
  .hero__stat-divider { width: 40px; height: 1px; }
  .beyond__photo-grid { grid-template-columns: 1fr; }
  .timeline__badge { width: 36px; height: 36px; font-size: var(--text-xs); }
  .section__subtitle { font-size: var(--text-base); }
  .btn { padding: 0.65rem 1.3rem; }
}

/* ── Large Desktop (≥ 1400px) ── */
@media (min-width: 1400px) {
  .hero__title  { font-size: var(--text-7xl); }
  .services__grid  { gap: var(--sp-6); }
}

/* ── Reduced Motion ── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  .reveal-up, .reveal-left, .reveal-right {
    opacity: 1;
    transform: none;
  }
  /* Disable 3D flip, show front only */
  .value-flip__inner { transform: none !important; transition: none !important; }
  .value-flip__back  { display: none; }
}