/* ============================================================
   THE ADVISOR ENGINE™ — responsive.css
   Breakpoint overrides. Base (desktop ≥1280px) lives in style.css.
   Targets: 320 / 375 / 430 / 768 / 1024 / 1280 / 1440 / 1920
============================================================ */

/* ---------- ≤1024px: tablet landscape ---------- */
@media (max-width: 1024px) {
  .section {
    padding-block: var(--space-9);
  }

  /* Mobile navigation kicks in here: the inline nav gets cramped below ~1080px */
  .nav__toggle {
    display: flex;
  }

  .nav__menu {
    position: fixed;
    top: 76px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-5);
    padding: var(--space-6) var(--container-pad) var(--space-7);
    background: rgba(9, 9, 9, 0.98);
    border-bottom: 1px solid var(--color-border);
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity var(--dur-fast) var(--ease-out),
      transform var(--dur-fast) var(--ease-out),
      visibility var(--dur-fast);
  }

  .nav__menu.is-open {
    transform: none;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }

  .nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .nav__link {
    display: block;
    padding: var(--space-4) 0;
    border-bottom: 1px solid var(--color-border);
    font-size: 1rem;
  }

  .nav__link.is-active {
    border-bottom-color: var(--color-border);
    color: var(--color-purple-soft);
  }

  .nav__cta {
    width: 100%;
  }

  .hero__inner {
    grid-template-columns: 1fr;
    gap: var(--space-7);
  }

  .hero__content {
    text-align: center;
    max-width: 640px;
    margin-inline: auto;
  }

  .hero__lead {
    margin-inline: auto;
  }

  .hero__actions {
    justify-content: center;
  }

  .hero__media {
    max-width: 640px;
    margin-inline: auto;
    width: 100%;
  }

  .cost__grid,
  .included__grid,
  .work-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .engine__cards {
    grid-template-columns: repeat(2, 1fr);
  }

  .proof__grid {
    grid-template-columns: 1fr;
    max-width: 560px;
    margin-inline: auto;
  }

  .testi-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .proof__grid {
    margin-bottom: var(--space-8);
  }

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

/* ---------- ≤768px: tablet portrait / large phones ---------- */
@media (max-width: 768px) {
  html {
    scroll-padding-top: 76px;
  }

  .section {
    padding-block: var(--space-8);
  }

  .section-head {
    margin-bottom: var(--space-7);
  }

  .nav__brand-sub {
    display: none;
  }

  .nav__brand-divider {
    display: none;
  }

  /* Hero */
  .hero {
    padding-top: calc(76px + var(--space-7));
  }

  .hero__card {
    position: static;
    margin-top: var(--space-4);
    white-space: normal;
  }

  .hero__card--one {
    display: none; /* keep one floating card's content; avoid clutter on small screens */
  }

  .hero__actions .btn {
    width: 100%;
  }

  /* Authority gap cards: stack with horizontal gap divider */
  .gap-cards {
    grid-template-columns: 1fr;
  }

  .gap-cards__divider {
    flex-direction: row;
    min-width: 0;
    min-height: 44px;
  }

  .gap-cards__divider-line {
    height: 1px;
    width: auto;
    flex: 1;
    background: linear-gradient(to right, transparent, var(--color-accent), transparent);
  }

  /* Process, versus, videos: single column */
  .process__grid,
  .versus__grid,
  .videos__grid {
    grid-template-columns: 1fr;
  }

  .process-card,
  .versus__panel {
    padding: var(--space-6);
  }

  /* Cost cards single column */
  .cost__grid {
    grid-template-columns: 1fr;
  }

  /* Fit panels stack */
  .fit__grid {
    grid-template-columns: 1fr;
  }

  .fit__panel {
    padding: var(--space-6);
  }

  /* Form rows collapse */
  .form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .strategy__form {
    padding: var(--space-6);
  }

  /* Footer */
  .footer__top {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-6);
  }

  .footer__brand {
    grid-column: 1 / -1;
  }

  /* Testimonials */
  .testimonial {
    padding: var(--space-6);
  }
}

/* ---------- ≤600px: compact final CTA card, short two-line headline ---------- */
@media (max-width: 600px) {
  .final-cta {
    padding-block: var(--space-8);
  }

  .final-cta__card {
    padding: var(--space-6) var(--space-5);
    border-radius: 20px;
  }

  .final-cta__headline {
    font-size: clamp(1.25rem, 5.6vw, 1.55rem);
    margin-bottom: var(--space-5);
  }

  .final-cta__headline-full {
    display: none;
  }

  .final-cta__headline-short {
    display: inline;
  }

  .final-cta__note {
    font-size: 0.75rem;
    margin-top: var(--space-4);
  }

  .final-cta__horizon {
    min-width: 700px;
    transform: translate(-50%, 74%);
  }
}

/* ---------- ≤430px: phones ---------- */
@media (max-width: 430px) {
  :root {
    --container-pad: 1.1rem;
  }

  .section {
    padding-block: var(--space-7);
  }

  .hero__headline {
    font-size: clamp(1.8rem, 8vw, 2.2rem);
  }

  .eyebrow {
    font-size: 0.66rem;
    letter-spacing: 0.12em;
    padding: 0.4rem 0.85rem;
  }

  .hero__lead {
    font-size: 1rem;
  }

  .included__grid,
  .work-grid,
  .engine__cards {
    grid-template-columns: 1fr;
  }

  .testi-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin-inline: auto;
  }

  .video-frame {
    border-radius: var(--radius-md);
  }

  .video-frame__play {
    width: 58px;
    height: 58px;
  }

  .video-frame__title {
    font-size: 1.05rem;
  }

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

  .btn--lg {
    width: 100%;
  }

  .vsl__cta {
    flex-direction: column;
  }

  .vsl__cta .btn {
    width: 100%;
  }
}

/* ---------- ≥1440px: large desktop breathing room ---------- */
@media (min-width: 1440px) {
  :root {
    --container-max: 1280px;
  }

  .section {
    padding-block: calc(var(--space-10) + var(--space-4));
  }
}

/* ---------- ≥1920px: cap line lengths, keep glow proportions ---------- */
@media (min-width: 1920px) {
  :root {
    --container-max: 1320px;
  }
}