/**
 * Phone-optimized layouts (≤768px).
 * Desktop styles are unchanged above this breakpoint.
 */

@media (max-width: 768px) {
  :root {
    --header-h: 3.75rem;
    --container: calc(100vw - 2rem);
  }

  html {
    -webkit-text-size-adjust: 100%;
  }

  body {
    padding-left: env(safe-area-inset-left);
    padding-right: env(safe-area-inset-right);
  }

  .container,
  .app-container {
    width: calc(100vw - 2rem);
    max-width: 100%;
  }

  /* Prevent iOS zoom on focus */
  input,
  select,
  textarea {
    font-size: 16px !important;
  }

  .btn {
    min-height: 44px;
    padding-top: 0.65rem;
    padding-bottom: 0.65rem;
  }

  .btn-lg {
    width: 100%;
    justify-content: center;
  }

  /* —— Global header —— */
  .site-header {
    padding: 0.65rem 0;
  }

  .site-header .container,
  .site-header .app-container {
    padding: 0;
  }

  .header-inner {
    gap: 0.75rem;
  }

  /* —— Landing / marketing —— */
  body.landing {
    padding-bottom: calc(4.5rem + env(safe-area-inset-bottom));
  }

  body.landing.logged-in {
    padding-bottom: env(safe-area-inset-bottom);
  }

  .lp-hero h1 {
    font-size: 1.85rem;
    line-height: 1.15;
  }

  .lp-lead {
    font-size: 1rem;
    margin-bottom: 1.5rem;
  }

  .lp-hero__actions {
    flex-direction: column;
    align-items: stretch;
  }

  .lp-hero__actions .btn {
    width: 100%;
    text-align: center;
  }

  .lp-metrics {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
    text-align: center;
  }

  .lp-metrics li strong {
    font-size: 1.1rem;
  }

  .lp-hero__photo img {
    height: 220px;
  }

  .lp-estimate-card {
    margin-top: 1rem;
    width: 100%;
  }

  .lp-section {
    padding: 3.25rem 0;
  }

  .lp-section__header {
    margin-bottom: 2rem;
  }

  .lp-section__header h2,
  .lp-split__content h2 {
    font-size: 1.55rem;
  }

  .lp-split__media img {
    height: 220px;
  }

  .lp-step {
    gap: 1rem;
  }

  .lp-step__img img {
    height: 180px;
    width: 100%;
    object-fit: cover;
    border-radius: var(--radius-sm);
  }

  .lp-pdf {
    gap: 2rem;
  }

  .lp-pdf-doc {
    font-size: 0.78rem;
  }

  .lp-cta {
    padding: 3rem 0;
  }

  .lp-cta__inner {
    text-align: center;
  }

  .lp-cta__actions {
    flex-direction: column;
    align-items: stretch;
  }

  .lp-footer__bottom {
    flex-direction: column;
    gap: 0.35rem;
    text-align: center;
  }

  /* Full-width mobile nav drawer */
  .landing .header-nav {
    position: static;
  }

  .landing .nav-links {
    left: -1rem;
    right: -1rem;
    width: calc(100% + 2rem);
    padding: 0.75rem 1rem calc(1rem + env(safe-area-inset-bottom));
    border-radius: 0 0 var(--radius) var(--radius);
  }

  .landing .nav-links li {
    width: 100%;
  }

  .landing .nav-links a:not(.btn) {
    display: block;
    padding: 0.75rem 0.5rem;
    font-size: 1rem;
  }

  .nav-toggle {
    min-width: 44px;
    min-height: 44px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
  }

  body.landing.nav-open {
    overflow: hidden;
  }

  /* Sticky signup bar (guests) */
  .lp-mobile-cta {
    display: flex;
    gap: 0.65rem;
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 95;
    padding: 0.75rem 1rem calc(0.75rem + env(safe-area-inset-bottom));
    background: rgba(255, 255, 255, 0.96);
    border-top: 1px solid var(--border);
    box-shadow: 0 -8px 24px rgba(28, 25, 23, 0.08);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
  }

  .lp-mobile-cta .btn {
    flex: 1;
    margin: 0;
  }

  body.landing.logged-in .lp-mobile-cta,
  .lp-mobile-cta[hidden] {
    display: none !important;
  }

  /* —— Auth —— */
  .auth-main {
    padding: 1.5rem 1rem 2rem;
    align-items: flex-start;
  }

  .auth-card {
    width: 100%;
    padding: 1.5rem;
  }

  /* —— Dashboard —— */
  .dash-layout {
    padding: 1.5rem 0 2.5rem;
  }

  .dash-header {
    flex-direction: column;
    align-items: stretch;
  }

  .dash-header__actions {
    width: 100%;
  }

  .dash-header__actions .btn {
    flex: 1;
    text-align: center;
  }

  .dash-header h1 {
    font-size: 1.45rem;
  }

  /* —— Quote builder app —— */
  body.app-page {
    padding-bottom: calc(5.5rem + env(safe-area-inset-bottom));
  }

  .app-hero-bar {
    padding: 1.25rem 0 1rem;
  }

  .app-hero-bar .container {
    flex-direction: column;
    align-items: stretch;
    gap: 1rem;
  }

  .app-hero-bar h1 {
    font-size: 1.45rem;
  }

  .app-hero-bar p {
    font-size: 0.88rem;
  }

  .app-hero-bar__stats {
    width: 100%;
    justify-content: stretch;
    gap: 0.65rem;
  }

  .hero-stat {
    flex: 1;
    min-width: 0;
    padding: 0.6rem 0.5rem;
  }

  .app-shell {
    padding: 1rem 0 2rem;
    gap: 1rem;
  }

  .form-nav {
    top: calc(var(--header-h) - 0.25rem);
    margin: 0 -0.25rem 1rem;
    padding: 0.35rem 0.25rem 0.5rem;
    gap: 0.4rem;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  .form-nav::-webkit-scrollbar {
    display: none;
  }

  .form-nav button {
    flex: 0 0 auto;
    min-height: 40px;
    padding: 0.45rem 0.9rem;
    font-size: 0.8rem;
  }

  .form-section {
    padding: 1.15rem 1rem;
    border-radius: var(--radius);
  }

  .form-grid {
    grid-template-columns: 1fr !important;
  }

  .app-save-bar {
    position: sticky;
    top: calc(var(--header-h) + 2.75rem);
    z-index: 15;
    background: var(--bg);
    margin: 0 -0.25rem 0.75rem;
    padding: 0.5rem 0.25rem;
  }

  .app-save-bar__status {
    width: 100%;
    margin-left: 0;
    margin-top: 0.15rem;
    font-size: 0.75rem;
  }

  /* Hide desktop preview column; use bottom sheet */
  .app-preview-col {
    display: block;
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 100;
    top: auto;
    order: unset;
    padding: 0;
    margin: 0;
    transform: translateY(calc(100% - 3.25rem));
    transition: transform 0.28s ease;
    pointer-events: none;
  }

  .app-preview-col.is-open {
    transform: translateY(0);
    pointer-events: auto;
  }

  .app-preview-col .preview-sidebar {
    border-radius: var(--radius) var(--radius) 0 0;
    margin: 0;
    box-shadow: 0 -12px 40px rgba(28, 25, 23, 0.18);
  }

  .preview-sidebar__head {
    cursor: pointer;
    min-height: 52px;
    pointer-events: auto;
  }

  .preview-sidebar__head::after {
    content: "Tap to expand";
    font-size: 0.68rem;
    font-weight: 500;
    opacity: 0.75;
    text-transform: uppercase;
    letter-spacing: 0.06em;
  }

  .app-preview-col.is-open .preview-sidebar__head::after {
    content: "Tap to close";
  }

  .preview-sidebar__body {
    max-height: min(52vh, 420px);
  }

  .preview-sidebar__actions {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .preview-sidebar__actions .btn {
    flex: 1 1 calc(50% - 0.35rem);
    min-width: 8rem;
  }

  /* Fixed action bar above preview peek */
  .mobile-action-bar {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    position: fixed;
    left: 0;
    right: 0;
    bottom: 3.25rem;
    z-index: 99;
    padding: 0.5rem 1rem;
    background: rgba(246, 244, 240, 0.97);
    border-top: 1px solid var(--border);
    box-shadow: 0 -4px 16px rgba(28, 25, 23, 0.06);
    padding-bottom: calc(0.5rem + env(safe-area-inset-bottom));
  }

  .mobile-action-bar__toggle {
    flex: 1;
    min-height: 44px;
    font: inherit;
    font-size: 0.88rem;
    font-weight: 600;
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-sm);
    background: var(--surface);
    color: var(--text);
    cursor: pointer;
  }

  .mobile-action-bar__pdf {
    flex: 1.2;
    min-height: 44px;
    font-size: 0.88rem !important;
    white-space: nowrap;
  }

  body.app-page.preview-open {
    padding-bottom: calc(70vh + env(safe-area-inset-bottom));
  }

  body.app-page.preview-open .mobile-action-bar {
    bottom: min(52vh, 420px);
  }

  /* User menu on small screens */
  .user-dropdown__toggle {
    max-width: 11rem;
  }

  .user-dropdown__label {
    display: none;
  }

  .site-footer .container {
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
  }
}

/* Desktop: hide mobile-only UI */
@media (min-width: 769px) {
  .lp-mobile-cta,
  .mobile-action-bar {
    display: none !important;
  }
}