/* ── HAMBURGER HIDDEN ON DESKTOP BY DEFAULT ── */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  z-index: 200;
}

/* ── TABLET (max 1024px) ── */
@media (max-width: 1024px) {
  nav { padding: 1.2rem 2.5rem; }

  .hero { padding: 8rem 2.5rem 5rem; gap: 2.5rem; }
  .hero-browsers { height: 320px; }

  .portfolio { padding: 6rem 2.5rem; }
  .about-strip { padding: 6rem 2.5rem; }
  .contact { padding: 6rem 2.5rem; }
  .contact-inner { gap: 3rem; }

  .page-hero { padding: 12rem 2.5rem 5rem; gap: 2.5rem; }
  .story { padding: 6rem 2.5rem; }
  .values { padding: 6rem 2.5rem; }
  .about-ventures { padding: 6rem 2.5rem; }

  .contact-body .contact-left { padding: 4rem 2.5rem; }
  .contact-body .contact-right { padding: 4rem 2.5rem; }

  footer { padding: 2rem 2.5rem; }
  .divider { margin: 0 2.5rem; }
}

/* ── MOBILE (max 768px) ── */
@media (max-width: 768px) {

  /* ── NAV ── */
  nav {
    padding: 1rem 1.5rem;
    position: fixed;
  }
  .nav-logo { font-size: .75rem; }
  nav ul { display: none; }

  .nav-hamburger {
    display: flex !important;
  }

  .nav-hamburger span {
    display: block;
    width: 22px;
    height: 1.5px;
    background: var(--dark);
    transition: all .3s ease;
    transform-origin: center;
  }

  /* open state */
  nav.menu-open ul {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: var(--cream);
    z-index: 150;
  }
  nav.menu-open ul a {
    font-size: 1rem;
    letter-spacing: .2em;
  }
  nav.menu-open .nav-hamburger span:nth-child(1) { transform: rotate(45deg) translate(4.5px, 4.5px); }
  nav.menu-open .nav-hamburger span:nth-child(2) { opacity: 0; }
  nav.menu-open .nav-hamburger span:nth-child(3) { transform: rotate(-45deg) translate(4.5px, -4.5px); }

  /* ── HERO ── */
  .hero {
    grid-template-columns: 1fr;
    padding: 7rem 1.5rem 4rem;
    min-height: auto;
    gap: 3rem;
  }
  h1.hero-title { font-size: clamp(2.8rem, 10vw, 3.5rem); }
  .hero-desc { max-width: 100%; }
  .hero-kanji { font-size: 65vw; right: -1rem; bottom: 0; }

  /* hero browsers — simplified on mobile */
  .hero-browsers { height: 300px; }
  .hero-browser-peek {
    width: 85%;
    top: 0; left: 0;
  }
  .hero-browser-main {
    width: 78%;
    top: 110px;
    right: 0; left: auto;
  }
  .hero-browser-peek .hero-browser-img,
  .hero-browser-main .hero-browser-img { height: 140px; }

  .hero-scroll { display: none; }

  /* ── DIVIDER ── */
  .divider { margin: 0 1.5rem; }

  /* ── PORTFOLIO ── */
  .portfolio { padding: 4rem 1.5rem; }
  .portfolio-header { flex-direction: column; align-items: flex-start; gap: .5rem; margin-bottom: 2.5rem; }
  .portfolio-count { font-size: 3rem; }
  .portfolio-grid { grid-template-columns: 1fr; gap: 1.25rem; }
  .venture-card-inner { padding: 2rem; }
  .venture-stats { gap: 1.25rem; }

  /* ── ABOUT STRIP ── */
  .about-strip { padding: 4rem 1.5rem; }
  .about-strip-inner { grid-template-columns: 1fr; gap: 2.5rem; }
  .about-title { font-size: clamp(1.8rem, 6vw, 2.2rem); }

  /* ── CONTACT ── */
  .contact { padding: 4rem 1.5rem; }
  .contact-inner { grid-template-columns: 1fr; gap: 2.5rem; }
  .form-row { grid-template-columns: 1fr; gap: 1.25rem; }
  .form-footer { flex-direction: column; align-items: flex-start; gap: 1rem; }

  /* ── ABOUT PAGE ── */
  .page-hero {
    grid-template-columns: 1fr;
    padding: 8rem 1.5rem 4rem;
    gap: 2rem;
  }
  .page-hero h1 { font-size: clamp(3rem, 10vw, 4rem); }
  .page-hero-desc { max-width: 100%; }

  .story {
    grid-template-columns: 1fr;
    padding: 4rem 1.5rem;
    gap: 1.5rem;
  }
  .values { padding: 4rem 1.5rem; }
  .values-header { flex-direction: column; align-items: flex-start; gap: 1rem; margin-bottom: 3rem; }
  .values-grid { grid-template-columns: 1fr; gap: 2.5rem; }

  .about-ventures { padding: 4rem 1.5rem; }
  .venture-row {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.5rem 0;
  }
  .venture-row-left { flex-wrap: wrap; gap: 1rem; }
  .venture-row-desc { width: 100%; }
  .venture-row-arrow { display: none; }

  /* ── CONTACT PAGE ── */
  .contact-body {
    grid-template-columns: 1fr;
  }
  .contact-left {
    padding: 3rem 1.5rem;
    border-right: none;
    border-bottom: 0.5px solid var(--border);
    gap: 2.5rem;
  }
  .contact-right { padding: 3rem 1.5rem; }
  .contact-right h2 { font-size: 1.8rem; }
  .contact-ventures { margin-top: 0; }

  /* ── FOOTER ── */
  footer {
    padding: 2rem 1.5rem;
    flex-direction: column;
    gap: 1.25rem;
    text-align: center;
  }
  .footer-links { justify-content: center; }
}