/* ============================================================
   VENTARA GLOBAL — responsive.css
   반응형 미디어 쿼리 (Mobile First 접근)
   브레이크포인트: 480 / 768 / 1024 / 1280
   ============================================================ */

/* ── TABLET (max 1024px) ───────────────────────────────────── */
@media (max-width: 1024px) {

  :root { --section-pad: 72px 5vw; }

  /* Nav */
  .nav-center { display: none; }

  .nav-hamburger { display: flex; }

  .nav-drawer { display: flex; }

  .nav-right .nav-cta { display: none; }

  /* Hero */
  .hero-h1 { font-size: clamp(44px, 7vw, 72px); }

  /* Vision */
  .values-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }

  /* About */
  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .about-visual { max-width: 480px; margin: 0 auto; width: 100%; }

  /* Services */
  .services-grid {
    grid-template-columns: 1fr;
    max-width: 520px;
    margin: 0 auto;
    gap: 20px;
  }

  /* Products */
  .series-grid { grid-template-columns: repeat(2, 1fr); }

  /* Process */
  .process-steps {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }
  .process-steps::before { display: none; }
  .process-arrow { display: none; }

  /* Trust */
  .trust-grid { grid-template-columns: 1fr; }

  /* Contact */
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .contact-info { order: -1; }

  /* Vision grid */
  .vision-grid { grid-template-columns: 1fr; gap: 20px; }

  /* Footer */
  .footer-inner { justify-content: center; text-align: center; }
  .footer-links { justify-content: center; }
  .footer-tagline { text-align: center; }
}

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

  :root { --section-pad: 60px 5vw; }

  /* Nav */
  #nav { padding: 0 20px; }
  .nav-logo-text { font-size: 15px; letter-spacing: 2px; }
  .nav-logo img { height: 28px; }

  /* Hero */
  .hero-main { padding: 48px 20px 72px; }
  .hero-badge { font-size: 9px; letter-spacing: 2px; padding: 5px 12px; }
  .hero-h1 { font-size: clamp(40px, 10vw, 58px); }
  .hero-sub { font-size: 14px; margin: 18px 0 32px; }
  .hero-btns { gap: 10px; }
  .btn { padding: 11px 22px; font-size: 13px; }

  /* Stats */
  .hero-stats-inner {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
  }
  .hstat { border-right: none; border-bottom: 1px solid rgba(11,31,58,.12); }
  .hstat:nth-child(odd) { border-right: 1px solid rgba(11,31,58,.12); }
  .hstat:nth-last-child(-n+2) { border-bottom: none; }

  /* Section headers */
  .sec-title { white-space: normal; }
  .section-header { margin-bottom: 36px; }

  /* Vision */
  .vision-grid { grid-template-columns: 1fr; }
  .vision-card { padding: 24px 22px; }
  .values-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .value-item { padding: 18px 14px; }

  /* About */
  .about-grid { gap: 28px; }

  /* Services */
  .services-grid { max-width: 100%; }

  /* Products */
  .series-grid { grid-template-columns: 1fr; }
  .products-meta { flex-direction: column; align-items: flex-start; }
  .products-cta { flex-direction: column; }
  .products-cta .btn { width: 100%; justify-content: center; }

  /* Process */
  .process-steps { grid-template-columns: 1fr; gap: 28px; margin: 40px 0 36px; }
  .process-circle { width: 60px; height: 60px; font-size: 18px; }

  /* Trust */
  .trust-card { flex-direction: column; gap: 12px; }
  .trust-icon { width: 38px; height: 38px; }

  /* Contact */
  .contact-grid { gap: 36px; }
  .form-row { grid-template-columns: 1fr; }

  /* Footer */
  #footer { padding: 32px 20px; }
  .footer-links { gap: 16px; }
}

/* ── SMALL MOBILE (max 480px) ──────────────────────────────── */
@media (max-width: 480px) {

  :root { --section-pad: 52px 18px; }

  #nav { padding: 0 16px; }

  .hero-main { padding: 40px 18px 64px; }

  .hero-h1 { font-size: clamp(36px, 11vw, 48px); }

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

  .hstat-num { font-size: 22px; }

  .service-card-title { font-size: 20px; }

  .sec-title { font-size: clamp(26px, 8vw, 36px); }

  .process-note { font-size: 11.5px; padding: 14px 16px; }
}

/* ── LANDSCAPE PHONE ───────────────────────────────────────── */
@media (max-width: 768px) and (orientation: landscape) {
  #hero { min-height: auto; padding-bottom: 0; }
  .hero-main { padding: 32px 20px 48px; }
}

/* ── HIGH RESOLUTION ───────────────────────────────────────── */
@media (min-width: 1400px) {
  :root { --section-pad: 112px 8vw; }
  .hero-main { padding-left: 8vw; padding-right: 8vw; }
  #nav { padding: 0 8vw; }
}