/* ==========================================================================
   ACUASOL — Responsive Layer
   ========================================================================== */

/* ---------- Laptop (≤1200px) ---------- */
@media (max-width: 1200px) {
  :root { --section-spacing: clamp(56px, 8vw, 100px); }

  .product-table-head,
  .product-row {
    grid-template-columns: 2fr 0.8fr 1.2fr 0.9fr 0.8fr 0.8fr 1fr;
    gap: 12px;
  }
}

/* ---------- Tablet landscape (≤1024px) ---------- */
@media (max-width: 1024px) {
  .main-nav ul { gap: 22px; }
  .nav-link { font-size: 0.86rem; }

  .card-row { grid-template-columns: repeat(3, 1fr); gap: 18px; }
  .feature-card { padding: 24px; }

  .solutions-grid {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto auto auto;
  }
  .solutions-ellipse-wrap {
    grid-column: 1 / 3;
    grid-row: 1;
    order: -1;
    margin-bottom: 8px;
  }
  .solutions-ellipse { width: min(100%, 300px); }

  .steps { gap: 28px; }

  .footer-top { grid-template-columns: 1.4fr 1fr 1fr 1.3fr; }
  .footer-col.footer-brand { grid-column: 1 / 3; }
}

/* ---------- Tablet portrait (≤900px) ---------- */
@media (max-width: 900px) {
  .main-nav { display: none; }
  .menu-toggle { display: flex; }

  .card-row { grid-template-columns: 1fr; max-width: 520px; margin-inline: auto; gap: 20px; }

  .steps { grid-template-columns: 1fr; gap: 36px; max-width: 520px; }

  .projects-grid { grid-template-columns: repeat(2, 1fr); }
  .project-card:last-child { grid-column: 1 / 3; max-width: 380px; margin-inline: auto; }

  .testimonial-grid { grid-template-columns: 1fr; gap: 20px; max-width: 520px; margin-inline: auto; }
  .trust-head { align-items: flex-start; }
  .trust-rating { text-align: left; }

  /* product table -> stacked cards */
  .product-table { border: none; background: transparent; }
  .product-table-head { display: none; }
  .product-row {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    margin-bottom: 18px;
    padding: 24px;
  }
  .product-cell {
    display: flex;
    justify-content: space-between;
    width: 100%;
    font-size: var(--fs-sm);
    border-top: 1px solid var(--color-border);
    padding-top: 10px;
  }
  .product-cell::before {
    content: attr(data-label);
    font-weight: 600;
    color: var(--color-muted);
    font-size: var(--fs-xs);
    text-transform: uppercase;
    letter-spacing: 0.04em;
  }
  .product-cell-model {
    border-top: none;
    padding-top: 0;
    width: 100%;
  }
  .product-cell-model::before { content: none; }
  .product-cell-action { border-top: none; padding-top: 6px; justify-content: flex-start; width: 100%; }
  .product-cell-action .btn { width: 100%; }

  .footer-top { grid-template-columns: 1fr 1fr; gap: 40px 24px; }
  .footer-col.footer-brand { grid-column: 1 / 3; }
  .footer-contact { grid-column: 1 / 3; }
}

/* ---------- Mobile (≤768px) ---------- */
@media (max-width: 768px) {
  :root {
    --section-spacing: 64px;
    --gutter: 20px;
  }

  .hero { padding-top: 96px; }
  .hero-giant { margin-block: 16px; }
  .hero-headline { font-size: clamp(1.9rem, 7vw, 2.6rem); }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { width: 100%; }

  .hero-stats {
    gap: 20px;
    padding-block: 24px;
  }
  .stat-label { max-width: 110px; font-size: 0.72rem; }
  .stat-divider { height: 32px; }

  .section-head { margin-bottom: 36px; }

  .solutions-grid { grid-template-columns: 1fr; }
  .solutions-ellipse-wrap { grid-column: 1; }
  .solutions-ellipse { width: min(100%, 260px); aspect-ratio: 3 / 4.2; }

  .trust-head { flex-direction: column; gap: 24px; }

  .final-cta-content { padding-block: 72px; max-width: 100%; }
  .final-cta-content h2 { font-size: clamp(1.8rem, 7vw, 2.4rem); }

  .footer-top { grid-template-columns: 1fr; text-align: left; }
  .footer-col.footer-brand,
  .footer-contact { grid-column: 1; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}

/* ---------- Small mobile (≤430px) ---------- */
@media (max-width: 430px) {
  .hero-giant { font-size: clamp(3.6rem, 22vw, 6rem); }

  .stats-row,
  .hero-stats { flex-wrap: wrap; row-gap: 18px; }

  .card-row { max-width: 100%; }

  .project-card:last-child { grid-column: 1 / 3; max-width: 100%; }

  .btn { padding: 14px 24px; }

  .final-cta-content { padding-block: 56px; }
}

/* ---------- Extra small (≤360px) ---------- */
@media (max-width: 360px) {
  :root { --gutter: 16px; }
  .hero-giant { font-size: clamp(3rem, 21vw, 5rem); }
  .logo-text { font-size: 1.1rem; }
}