/* ══════════════════════════════════════
   MOBILE
══════════════════════════════════════ */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: var(--border-b2);
  border-radius: var(--radius-sm);
  padding: 7px 10px;
  cursor: pointer;
  color: var(--text-primary);
  font-family: var(--font);
  font-size: var(--font-sm);
  font-weight: 600;
}
.mobile-menu-toggle__icon--close {
  display: none;
}
.nav--mobile-open .mobile-menu-toggle__icon--open {
  display: none;
}
.nav--mobile-open .mobile-menu-toggle__icon--close {
  display: block;
}
.mobile-nav-panel__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: calc(18px + env(safe-area-inset-top, 0px)) var(--space-5)
    var(--space-4);
  border-bottom: 1px solid var(--border-subtle);
  flex-shrink: 0;
}

.mobile-nav-panel__brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 1.15rem;
  font-weight: 900;
  letter-spacing: -0.03em;
  color: var(--ink-900);
  text-decoration: none;
}

.mobile-nav-panel__brand .site-logo {
  width: 28px;
  height: 28px;
}

.mobile-nav-panel__close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  padding: 0;
  border: var(--border-b1);
  border-radius: var(--radius-md);
  background: var(--surface);
  cursor: pointer;
  color: var(--text-secondary);
  transition:
    background var(--transition),
    border-color var(--transition);
}

.mobile-nav-panel__close:hover {
  background: var(--surface-2);
  border-color: var(--border);
}

.mobile-nav-panel__close .ui-icon {
  width: 22px;
  height: 22px;
  opacity: 0.72;
}

.mobile-nav-panel__body {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  padding: var(--space-5);
  padding-bottom: calc(var(--space-6) + env(safe-area-inset-bottom, 0px));
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.mobile-nav-panel__links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.mobile-nav-panel__links a {
  display: block;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--font-base);
  font-weight: 600;
  color: var(--text-secondary);
  text-decoration: none;
  transition:
    background var(--transition),
    color var(--transition);
}

.mobile-nav-panel__links a:hover {
  background: var(--surface-2);
  color: var(--text-primary);
}

.mobile-nav-panel__cta {
  width: 100%;
  justify-content: center;
  margin-top: auto;
}

.mobile-nav-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(14, 13, 12, 0.45);
  z-index: calc(var(--z-nav) + 1);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition:
    opacity 0.28s ease,
    visibility 0.28s ease;
}
.back-to-top {
  position: fixed;
  bottom: calc(24px + env(safe-area-inset-bottom, 0px));
  left: calc(var(--gutter) - 4px);
  z-index: calc(var(--z-sticky) + 1);
  width: 46px;
  height: 46px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-full);
  background: var(--ink-900);
  box-shadow: var(--shadow-lg);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(10px);
  transition:
    opacity var(--transition),
    visibility var(--transition),
    transform var(--transition),
    background var(--transition),
    box-shadow var(--transition);
}

.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--ink-800);
  box-shadow: var(--shadow-xl);
  transform: translateY(-2px);
}

.back-to-top .ui-icon {
  width: 20px;
  height: 20px;
  filter: brightness(0) invert(1);
  opacity: 0.92;
}

.sticky-cta-mobile {
  display: none;
  position: fixed;
  right: max(12px, var(--gutter));
  left: max(12px, var(--gutter));
  bottom: calc(12px + env(safe-area-inset-bottom, 0px));
  z-index: 90;
  pointer-events: none;
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  transition:
    opacity 0.28s ease,
    visibility 0.28s ease,
    transform 0.28s cubic-bezier(0.4, 0, 0.2, 1);
}

.sticky-cta-mobile.is-hidden {
  opacity: 0;
  visibility: hidden;
  transform: translateY(calc(100% + 16px));
}

.sticky-cta-mobile__inner {
  display: flex;
  align-items: stretch;
  gap: 8px;
  padding: 8px;
  border-radius: var(--radius-xl);
  background: rgba(14, 13, 12, 0.94);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow:
    0 16px 40px rgba(0, 0, 0, 0.32),
    inset 0 1px 0 rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  pointer-events: auto;
}

.sticky-cta-mobile .btn {
  flex: 1;
  justify-content: center;
  min-height: 44px;
  padding: 11px 12px;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  border-radius: var(--radius-lg);
}

.sticky-cta-mobile .btn::after {
  display: none;
}

.sticky-cta-mobile__buy {
  flex: 1.15;
  box-shadow: 0 4px 14px rgba(230, 132, 10, 0.35);
}

.sticky-cta-mobile__buy:hover {
  transform: none;
}

.sticky-cta-mobile__buy:active {
  transform: scale(0.98);
}

.sticky-cta-mobile__demo {
  flex: 0.85;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.14);
  color: rgba(255, 255, 255, 0.9);
  box-shadow: none;
}

.sticky-cta-mobile__demo:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.22);
  color: #fff;
  transform: none;
}

.sticky-cta-mobile__demo:active {
  transform: scale(0.98);
}

@media (max-width: 900px) {
  .nav-links,
  .nav-cta {
    display: none;
  }
  .mobile-menu-toggle {
    display: flex;
    align-items: center;
    gap: var(--space-2);
  }
  .mobile-nav-backdrop {
    display: block;
  }

  .mobile-nav-panel {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: min(19.5rem, 88vw);
    z-index: calc(var(--z-nav) + 2);
    background: var(--surface);
    border-left: 1px solid var(--border);
    box-shadow: var(--shadow-xl);
    transform: translateX(100%);
    visibility: hidden;
    transition:
      transform 0.3s cubic-bezier(0.4, 0, 0.2, 1),
      visibility 0.3s ease;
  }

  body.mobile-nav-open .mobile-nav-panel {
    transform: translateX(0);
    visibility: visible;
  }

  body.mobile-nav-open .mobile-nav-backdrop {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }

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

  body {
    padding-bottom: calc(72px + env(safe-area-inset-bottom, 0px));
  }

  .sticky-cta-mobile {
    display: block;
  }
  .pain-stat-row {
    grid-template-columns: 1fr;
  }
  .demo-showcase__item {
    grid-template-columns: 1fr;
    gap: var(--space-6);
    padding: var(--space-6);
  }
  .demo-showcase__item--visual-left .demo-showcase__content,
  .demo-showcase__item--visual-right .demo-showcase__content {
    grid-column: 1;
    grid-row: 2;
  }
  .demo-showcase__item--visual-left .demo-showcase__visual,
  .demo-showcase__item--visual-right .demo-showcase__visual {
    grid-column: 1;
    grid-row: 1;
  }
  .analytics-grid {
    grid-template-columns: 1fr;
  }
  .integrations-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .trust-grid {
    grid-template-columns: 1fr;
  }
  .trust-card.large {
    grid-column: span 1;
  }
  .faq-grid {
    grid-template-columns: 1fr;
  }
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
  .features-grid {
    grid-template-columns: 1fr;
  }
  .feature-cell.span-2 {
    grid-column: span 1;
  }
  .no-dep-band {
    flex-direction: column;
  }
  .compare-grid {
    grid-template-columns: 1fr;
  }
  .compare-panel.before {
    display: none;
  }
  .compare-mobile-toggle {
    display: flex;
  }
  .outcomes-flow {
    grid-template-columns: 1fr 1fr;
  }
  .outcomes-flow::before {
    display: none;
  }
  .outcome-metric {
    grid-template-columns: 1fr;
  }
  .value-items {
    grid-template-columns: 1fr;
  }
  .compat-list {
    grid-template-columns: 1fr;
  }
  .dev-grid {
    grid-template-columns: 1fr;
  }
  .install-wrap {
    grid-template-columns: 1fr;
  }
  .objections-grid {
    grid-template-columns: 1fr;
  }
  .objection-card:nth-child(4),
  .objection-card:nth-child(5) {
    grid-column: span 1;
  }
  .analytics-opportunity {
    grid-template-columns: 1fr;
  }
  .final-preflight {
    grid-template-columns: 1fr 1fr;
  }
  .hero-meta {
    margin-top: 0;
  }
  .journey-flow {
    flex-direction: column;
    gap: 20px;
  }
  .journey-flow::before {
    display: none;
  }
  .switch-grid {
    grid-template-columns: 1fr;
  }
  .switch-card {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .switch-before,
  .switch-after {
    text-align: center;
  }
  .switch-arrow {
    margin: 0 auto;
    transform: rotate(-90deg);
  }
  .revenue-board {
    grid-template-columns: 1fr;
  }
  .advantage-grid {
    grid-template-columns: 1fr;
  }
  .hero {
    padding-top: calc(64px + var(--space-10));
  }
  .hero-shell {
    gap: var(--space-5);
  }
  .hero-intro {
    gap: var(--space-4);
  }
  .hero-title {
    font-size: clamp(1.85rem, 7.5vw, 2.35rem);
  }
  .hero-title-lede {
    font-size: clamp(1rem, 4.5vw, 1.35rem);
    line-height: 1.45;
  }
  .hero-tagline-box {
    width: 100%;
    max-width: 100%;
    padding: var(--space-3) var(--space-4);
  }
}

@media (max-height: 920px) and (min-width: 901px) {
  .hero {
    padding-top: calc(72px + var(--space-8));
    padding-bottom: var(--space-6);
  }
  .hero-shell {
    gap: var(--space-4);
  }
  .hero-title {
    font-size: clamp(1.85rem, 3.4vw, 2.85rem);
  }
  .hero-tagline {
    font-size: var(--font-base);
  }
  .hero-search-zone {
    height: 208px;
  }
  .demo-store {
    padding: 12px 14px 10px;
  }
  .demo-store-header {
    margin-bottom: 10px;
  }
  .hero-foot .btn-lg {
    padding: 12px 24px;
    font-size: 0.92rem;
  }
}

@media (max-width: 600px) {
  .hero-ctas {
    flex-direction: column;
    align-items: stretch;
  }
  .hero-ctas .btn {
    justify-content: center;
  }
}

/* Trust note variants */
.trust-note--on-dark {
  justify-content: center;
  margin-top: var(--space-8);
  color: rgba(255, 255, 255, 0.45);
}

/* Mobile viewport hardening */
@media (max-width: 430px) {
  .container {
    padding-inline: max(var(--gutter), 16px);
  }
  .proof-frame,
  .proof-frame__viewport,
  .proof-img-readable,
  .demo-showcase__visual,
  .real-store-visual {
    max-width: 100%;
    min-width: 0;
  }
  .proof-frame__viewport--strip {
    max-width: 100%;
  }
  .scroll-strip__edges {
    inset: 0 0 36px;
  }
  .scroll-strip__hint {
    font-size: 0.68rem;
  }
  .proof-img-readable--strip {
    height: clamp(88px, 24vw, 120px);
  }
  .persian-intel-story__step {
    font-size: var(--font-xs);
    padding: var(--space-2) var(--space-3);
    min-height: 40px;
  }
  .persian-intel-showcase__item {
    padding: var(--space-5) 0;
  }
  .mobile-menu-toggle {
    min-height: 40px;
  }
  .sticky-cta-mobile .btn {
    min-height: 42px;
    font-size: 0.78rem;
    padding: 10px 10px;
  }
  .section-title {
    font-size: clamp(1.45rem, 6.5vw, 1.85rem);
  }
  .cap-cluster__item,
  .cap-card {
    padding: var(--space-5) var(--space-4);
  }
}

@media (max-width: 390px) {
  .hero-tagline-box {
    padding: var(--space-3);
  }
  .demo-showcase__item {
    padding: var(--space-5);
  }
  .real-store-ctas .btn {
    font-size: 0.68rem;
    padding: 10px 10px;
  }
}

@media (max-width: 375px) {
  .persian-intel-story__nav {
    gap: var(--space-1);
  }
  .video-proof-ctas .btn,
  .hero-ctas .btn {
    font-size: var(--font-sm);
  }
}

/* Performance — contain paint on animated regions */
.persian-intel-showcase__item.is-active,
.reveal {
  will-change: auto;
}
.cap-cluster__shot img {
  content-visibility: auto;
  contain-intrinsic-size: auto 240px;
}

/* ══════════════════════════════════════
   TRUST BAR + LIVE PROOF + STACK + AGENCY
══════════════════════════════════════ */
.trust-bar {
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  background: var(--surface-2);
  padding: 10px 0;
}
.trust-bar-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--space-2) var(--space-3);
  font-size: var(--font-sm);
  font-weight: 600;
  color: var(--text-secondary);
}
.trust-bar-item {
  color: inherit;
  text-decoration: none;
}
a.trust-bar-item:hover {
  color: var(--text-primary);
  text-decoration: underline;
}
.trust-bar-live {
  color: var(--teal-700);
}
.trust-bar-sep {
  opacity: 0.35;
}
.trust-bar-star {
  color: var(--amber-600);
}
.live-proof-layout {
  max-width: 920px;
  margin: 0 auto;
}
.live-proof-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin-top: 24px;
}
.live-proof-disclaimer {
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-tertiary);
  margin-top: 16px;
}
.stack-install-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
  margin-top: 32px;
}
.stack-install-subtitle {
  font-size: var(--font-lg);
  margin: 0 0 20px;
}
.stack-install-cta {
  margin-top: 24px;
}
.stack-install-proof {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.agency-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 20px 0;
  border: none;
  border-top: 1px solid var(--border);
  background: transparent;
  cursor: pointer;
  text-align: right;
  font: inherit;
  color: inherit;
}
.agency-toggle-title {
  font-size: 1.15rem;
  font-weight: 700;
  flex: 1;
}
.agency-panel {
  padding-bottom: 32px;
}
.agency-intro {
  margin-bottom: 24px;
}
.agency-maturity-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: var(--font-md);
  color: var(--text-secondary);
}
@media (max-width: 900px) {
  .stack-install-grid {
    grid-template-columns: 1fr;
  }
}