/* responsive.css — Media queries (loaded last for cascade specificity) */

/* ── 641px–1100px: hero & graphic scaling ── */
@media (min-width: 641px) and (max-width: 1100px) {
  .v4-hero-sub {
    font-size: clamp(0.8rem, 1vw, 0.95rem);
    margin-bottom: clamp(20px, 2.5vw, 32px);
  }

  .v4-hero-cta {
    font-size: clamp(9px, 0.85vw, 11px);
    padding: clamp(10px, 1.1vw, 13px) clamp(16px, 1.8vw, 22px);
  }

  .v4-hero {
    gap: clamp(2rem, 4vw, 4rem);
    padding: 0 clamp(1.5rem, 4vw, 4rem);
  }

  .v4-graphic-desktop {
    transform: scale(0.72);
    transform-origin: top left;
  }
}

/* ── 1101px–1350px: graphic scaling ── */
@media (min-width: 1101px) and (max-width: 1350px) {
  .v4-graphic-desktop {
    transform: scale(0.85);
    transform-origin: top left;
  }
}

/* ── 1351px–1600px: tabs content padding ── */
@media (min-width: 1351px) and (max-width: 1600px) {
  .v4-tabs-content-graphic {
    padding: 2.5rem;
  }
}

/* ── 1601px+: tabs content padding ── */
@media (min-width: 1601px) {
  .v4-tabs-content-graphic {
    padding: 2rem;
  }
}

/* ── Tablet portrait: 641px–768px ── */
@media (min-width: 641px) and (max-width: 768px) {
  .v4-nav {
    padding: 0 20px;
  }

  .v4-nav-cta {
    font-size: 10px;
    padding: 8px 14px;
    letter-spacing: 0.04em;
  }
}

/* ── Mobile: max-width 640px ── */
@media (max-width: 640px) {
  .v4-mobile-br {
    display: block;
  }

  /* Nav */
  .v4-nav {
    padding: 0 20px;
  }

  .v4-nav-cta {
    font-size: 10px;
    padding: 8px 12px;
    letter-spacing: 0.04em;
  }

  .nav-by,
  .nav-valubyl-link {
    display: none;
  }

  .nav-left {
    min-width: 0;
    overflow: hidden;
  }

  /* Hero */
  .v4-hero {
    grid-template-columns: 1fr;
    padding: 4rem 1.5rem 2.5rem;
    min-height: auto;
    gap: 2rem;
  }

  .v4-hero-cards {
    display: none;
  }

  .v4-hero-h1 {
    font-size: clamp(3rem, 13vw, 4rem);
  }

  .v4-hero-text {
    text-align: center;
    align-items: center;
    display: flex;
    flex-direction: column;
  }

  .v4-hero-text p {
    font-size: 1rem;
    max-width: 100%;
    text-wrap: balance;
  }

  /* Feature tabs section */
  .v4-features-section {
    padding: 2rem 0;
  }

  .v4-features-header {
    padding: 0 1.5rem 1.5rem;
  }

  .v4-features-header h2 {
    font-size: clamp(1.6rem, 7vw, 2rem);
  }

  .v4-tabs-outer {
    border: none;
  }

  .v4-tabs-row {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    border-bottom: none;
    gap: 8px;
    padding: 0.25rem 1.5rem 1rem;
  }

  .v4-tabs-row::-webkit-scrollbar {
    display: none;
  }

  .v4-tabs-row button {
    flex: none;
    min-width: auto;
    padding: 10px 14px;
    flex-shrink: 0;
    border: 2px solid var(--color-black);
    border-right: 2px solid var(--color-black);
  }

  .v4-tab-num {
    display: none;
  }

  .v4-tab-label-desktop {
    display: none;
  }

  .v4-tab-label-mobile {
    display: block;
  }

  .v4-tabs-content {
    grid-template-columns: 1fr;
    height: auto;
    border: 2px solid var(--color-black);
    margin: 0 1.5rem;
    /* Override desktop fade: box stays solid, hide/show instantly */
    opacity: 1;
    position: static;
    visibility: hidden;
    display: none;
    transition: none;
  }

  .v4-tabs-content.active {
    display: grid;
    visibility: visible;
  }

  /* Fade only the inner content, not the bordered box */
  .v4-tabs-content.active > * {
    animation: tab-fade-in 0.25s ease;
  }

  .v4-tabs-content-graphic {
    display: flex;
    padding: 1rem;
    justify-content: center;
    align-items: center;
    border-top: 1.5px solid rgba(10, 10, 10, 0.1);
    overflow: hidden;
  }

  .v4-graphic-desktop {
    display: none;
  }

  .v4-graphic-mobile {
    display: block;
    width: 100%;
  }

  .v4-tabs-content-text {
    padding: 1.5rem;
  }

  .v4-tabs-content-text h2 {
    font-size: 1.5rem;
  }

  /* Footer */
  .footer-copy,
  .footer-link {
    font-size: 11px;
  }

  .footer-sep {
    font-size: 14px;
  }
}

/* ── Very small screens: max-width 380px ── */
@media (max-width: 380px) {
  .v4-nav-cta {
    font-size: 9px;
    padding: 7px 10px;
    letter-spacing: 0.02em;
    min-height: 44px;
  }
}