/* ====================================================================
   RESPONSIVE LAYER — loaded last, overrides earlier breakpoints
   Desktop (>1024) · Tablet (≤1024 / ≤900) · Mobile (≤640 / ≤460)
   ==================================================================== */

/* --- Mobile nav toggle (hidden on desktop) -------------------------- */
.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  padding: 0;
  border: 1px solid var(--card-border);
  background: rgba(255, 245, 220, 0.04);
  border-radius: 12px;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: var(--cream);
  transition: transform 0.25s ease, opacity 0.2s ease;
}
.nav-links-cta { display: none; }

/* ======================= TABLET ≤ 1024px ============================= */
@media (max-width: 1024px) {
  .container { padding: 0 28px; }
  .section { padding: 96px 0; }
  .section-head { margin-bottom: 56px; }
  .nav-links { gap: 22px; }
  /* keep hero from bleeding too far on tablet */
  .hero-device { right: clamp(16px, 3vw, 48px); }
}

/* ================= NAV COLLAPSE ≤ 860px ============================== */
@media (max-width: 860px) {
  .nav-toggle { display: flex; }
  .nav-cta { display: none; }

  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    padding: 8px 0 14px;
    background: rgba(14, 10, 5, 0.97);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 24px 40px -20px rgba(0, 0, 0, 0.7);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity 0.22s ease, transform 0.22s ease, visibility 0.22s ease;
  }
  .nav-links a {
    padding: 15px 28px;
    font-size: 16px;
    color: var(--cream);
  }
  .nav-links-cta {
    display: block;
    margin: 10px 24px 0;
    padding: 13px 18px;
    text-align: center;
    background: var(--yellow);
    color: #000;
    font-weight: 600;
    border-radius: 999px;
  }
  .nav-open .nav-links {
    opacity: 1;
    visibility: visible;
    transform: none;
  }
  .nav-open .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
  .nav-open .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
}

/* ======================= ≤ 900px (stacks) =========================== */
@media (max-width: 900px) {
  .hero {
    padding: 56px 0 72px;
    flex-direction: column;   /* stack copy, then phones, below the buttons */
    align-items: stretch;
  }
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero h1 br { display: none; }
  .hero p.lead { margin-bottom: 32px; }
  .hero-device {
    position: static;
    transform: none;
    right: auto;
    margin: 0 auto;
    width: min(100%, 460px);
    max-width: 460px;
    display: flex;
    justify-content: center;
    pointer-events: auto;
  }
  /* on stacked layout the phones go back to width-driven & centered */
  .hero-phones-img {
    height: auto;
    max-height: none;
    width: 100%;
    max-width: 100%;
    flex: 0 1 auto;
  }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
}

/* ======================= MOBILE ≤ 640px ============================= */
@media (max-width: 640px) {
  .container { padding: 0 18px; }
  .nav-inner { padding: 14px 18px; }

  .section { padding: 60px 0; }
  .section-head { margin-bottom: 36px; }
  .section-title { font-size: clamp(28px, 8vw, 40px); }
  .section-eyebrow::before,
  .section-eyebrow::after { width: 20px; }
  .section-sub { font-size: 15px; }

  /* hero */
  .hero-ctas { width: 100%; gap: 12px; }
  .hero-ctas .appstore,
  .hero-ctas .ghost-btn {
    flex: 1 1 100%;
    justify-content: center;
  }

  /* before/after */
  .gallery-grid { grid-template-columns: 1fr; gap: 18px; }
  .ba-card { padding: 14px; }

  /* how it works */
  .how-grid { gap: 40px; }

  /* actions */
  .act-label { flex-wrap: wrap; gap: 8px; }

  /* pricing */
  .tier-grid { gap: 28px; }
  .tier-card.featured { transform: none; }
  .tier-card.featured:hover { transform: translateY(-2px); }
  .addons { margin-top: 36px; }

  /* testimonials */
  .testimonial p { font-size: 18px; }

  /* footer */
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 32px 24px; }

  /* final CTA */
  .final-cta { padding: 84px 0; }
  .final-cta .wordmark { width: 72vw; }
  .final-cta h2 { font-size: clamp(30px, 7.5vw, 42px); }
}

/* ======================= SMALL ≤ 460px ============================= */
@media (max-width: 460px) {
  .nav-mark { font-size: 13px; letter-spacing: 0.16em; gap: 8px; }
  .nav-icon { width: 26px; height: 26px; }

  .section { padding: 52px 0; }
  .section-title { font-size: clamp(26px, 9vw, 34px); }

  .footer-inner { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { gap: 10px; }

  /* pricing numbers stay legible */
  .tier-price .amt { font-size: 48px; }
  .trial-banner { padding: 16px 18px; }

  /* actions: keep thumb but tighter */
  .act-row { gap: 14px; }
  .act-text h3 { font-size: 16px; }
}