/* Topa.io — mobile / iPhone optimizations (tested ~393px iPhone 16) */

:root {
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-right: env(safe-area-inset-right, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --safe-left: env(safe-area-inset-left, 0px);
}

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  overflow-x: hidden;
  max-width: 100%;
}

body {
  overflow-x: hidden;
  max-width: 100%;
}

main,
section {
  max-width: 100%;
  box-sizing: border-box;
}

img,
video,
iframe {
  max-width: 100%;
}

/* Safe areas */
.topa-header {
  padding-top: calc(15px + var(--safe-top));
  padding-left: calc(40px + var(--safe-left));
  padding-right: calc(40px + var(--safe-right));
}

.topa-ft-inner {
  padding-left: calc(40px + var(--safe-left));
  padding-right: calc(40px + var(--safe-right));
  padding-bottom: calc(15px + var(--safe-bottom));
}

.topa-float-cta {
  right: calc(20px + var(--safe-right));
  bottom: calc(20px + var(--safe-bottom));
}

/* Touch-friendly targets */
button,
.topa-nav-panel,
.topa-feature-demo-btn,
.topa-signals-demo-btn,
.topa-vm-clone-demo-btn,
.topa-kb-menu__item,
.zq4v8-item,
#tc .tb,
#tc .tc-panel-btn {
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

/* Prevent 100vw horizontal scroll */
.topa-mexp-root {
  width: min(100%, 980px) !important;
}

/* Tablet */
@media (max-width: 768px) {
  .topa-float-cta {
    display: none !important;
  }

  .topa-feature-results-divider,
  .topa-feature-results-preview,
  .topa-results-modal {
    display: none !important;
  }

  .topa-header {
    padding-left: calc(8px + var(--safe-left));
    padding-right: calc(8px + var(--safe-right));
  }

  .topa-ft-inner {
    padding-left: calc(8px + var(--safe-left));
    padding-right: calc(8px + var(--safe-right));
  }

  .topa-hero {
    padding-left: 6px;
    padding-right: 6px;
  }

  .topa-feature-block {
    padding-left: 0;
    padding-right: 0;
    min-width: 0;
    max-width: 100%;
  }

  .topa-features-heading-wrap {
    padding-left: 5px;
    padding-right: 5px;
  }

  .subtext-component {
    padding-left: 6px;
    padding-right: 6px;
  }

  .rtc-response-text-component {
    padding-left: 6px;
    padding-right: 6px;
  }

  .topa-explainer-section {
    padding-left: 6px;
    padding-right: 6px;
  }

  .topa-mexp-widget {
    padding-left: 6px;
    padding-right: 6px;
  }

  .xyasda-logo-display {
    padding-left: 6px;
    padding-right: 6px;
  }

  .topa-ticker-outer {
    padding-left: 6px;
    padding-right: 6px;
  }

  .ps-wrap,
  .lps-wrap {
    padding-left: 6px;
    padding-right: 6px;
  }

  .topa-features-section {
    padding-left: 5px;
    padding-right: 5px;
    min-width: 0;
    max-width: 100%;
    overflow-x: clip;
  }

  .topa-billing-section,
  .topa-testimonials-section {
    padding-left: 0;
    padding-right: 0;
    min-width: 0;
    max-width: 100%;
    overflow-x: clip;
  }

  .topa-feature-card,
  .topa-feature-row,
  .topa-feature-content,
  .topa-feature-visual,
  .topa-feature-visual-scene {
    min-width: 0;
    max-width: 100%;
  }

  .topa-feature-card {
    padding: 16px 8px 16px 12px;
    overflow-x: clip;
  }

  .topa-combo-card {
    padding-left: 12px;
  }

  .topa-feature-mock,
  .topa-feature-mock.topa-vm-mock-wrap {
    width: 100%;
    margin-left: 0;
    margin-right: 0;
    max-width: 100%;
  }

  .topa-vm-mock-wrap,
  .topa-vm-visual-scene {
    overflow: hidden;
  }

  .topa-feature-b2b-note-pill,
  .topa-feature-channels-panel,
  .topa-feature-logos-mini:not(.topa-feature-logos-mini--push) > .topa-feature-logos-mini-grid {
    padding: 12px 10px;
  }

  .topa-feature-logos-mini--push > .topa-feature-logos-mini-lead {
    padding: 12px 10px 0;
  }

  .topa-feature-logos-mini--push > .topa-feature-logos-mini-grid {
    padding: 8px 10px 12px;
  }

  .topa-feature-logos-mini {
    gap: 10px;
  }

  .topa-feature-demo-btns,
  .topa-signals-demo-btns {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
  }

  .topa-feature-demo-btn,
  .topa-signals-demo-btn,
  .topa-vm-clone-demo-btn {
    width: 100%;
    max-width: 100%;
    justify-content: flex-start;
    text-align: left;
    min-width: 0;
    box-sizing: border-box;
  }

  .topa-feature-demo-btn--webhook {
    width: 100%;
    min-width: 0;
    align-items: flex-start;
  }

  .topa-feature-demo-btn-logos {
    flex-wrap: wrap;
    justify-content: flex-start;
    max-width: 100%;
  }

  .topa-voice-grid,
  .topa-vm-mock-frame .topa-voice-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .topa-vm-mock-frame .topa-voice-grid > .topa-voice-card-wrapper:nth-child(n+7) {
    display: none;
  }

  /* Voicemail preview — desktop row layout, scaled to fit viewport */
  .topa-preview {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    width: 100%;
    max-width: 100%;
    overflow: hidden;
    padding-left: 6px;
    padding-right: 6px;
    box-sizing: border-box;
    text-align: center;
  }

  .vm-wrap {
    --vm-available: calc(100vw - 12px);
    --vm-scale: min(1, var(--vm-available) / 400);
    transform: scale(var(--vm-scale));
    transform-origin: center top;
    width: max-content;
    max-width: 100%;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: calc(56px * (var(--vm-scale) - 1));
  }

  .vm-widget.topa-nav-panel {
    width: max-content;
    max-width: 100%;
    box-sizing: border-box;
  }

  .vm-widget-row {
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    align-items: center;
    justify-content: flex-start;
    gap: 12px;
    width: max-content;
    max-width: 100%;
    min-width: 0;
  }

  .vm-label.topa-nav-panel-inner {
    flex: 0 1 auto;
    min-width: 0;
    font-size: clamp(12px, 3.4vw, 15px);
    gap: 6px;
  }

  .vm-widget .topa-nav-panel-icon {
    width: 22px;
    height: 22px;
    flex-shrink: 0;
  }

  .vm-widget .topa-nav-panel-icon svg {
    width: 13px;
    height: 13px;
  }

  .vm-listen {
    flex: 0 0 auto;
    flex-shrink: 0;
  }
}

/* Phone — iPhone 16 class devices */
@media (max-width: 430px) {
  .topa-header {
    padding: calc(10px + var(--safe-top)) calc(8px + var(--safe-right)) 10px calc(8px + var(--safe-left));
  }

  .topa-logo img {
    height: 26px;
  }

  /* Hero */
  .topa-hero {
    padding: 24px 4px 8px;
  }

  .rtc-response-text-component {
    padding: 6px 2px 12px;
  }

  .subtext-component {
    padding-left: 4px;
    padding-right: 4px;
  }

  .topa-features-heading-wrap {
    padding-left: 5px;
    padding-right: 5px;
  }

  .topa-explainer-section {
    padding-left: 4px;
    padding-right: 4px;
  }

  .topa-mexp-widget {
    padding-left: 4px;
    padding-right: 4px;
  }

  .xyasda-logo-display {
    padding-left: 4px;
    padding-right: 4px;
  }

  .topa-ticker-outer {
    padding-left: 4px;
    padding-right: 4px;
  }

  .ps-wrap,
  .lps-wrap {
    padding-left: 4px;
    padding-right: 4px;
  }

  .rtc-response-text-heading {
    font-size: clamp(22px, 6.4vw, 30px);
    line-height: 1.2;
  }

  .rtc-cap-badges {
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 0 4px;
  }

  .rtc-cap-badge {
    width: auto;
    max-width: 100%;
    justify-content: center;
    font-size: 12px;
    padding: 12px 14px;
  }

  .topa-hero-cta .topa-nav-panel {
    width: auto;
    max-width: 100%;
  }

  /* Explainer video */
  .topa-mexp-widget {
    padding: 12px 8px;
  }

  .topa-mexp-frame {
    padding: 6px;
    border-radius: 14px;
  }

  .topa-mexp-bezel,
  .topa-mexp-screen {
    border-radius: 10px;
  }

  .topa-mexp-unmute-overlay {
    flex-direction: column;
    flex-wrap: nowrap;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 4%;
  }

  .topa-mexp-choice.topa-nav-panel {
    flex: 0 0 auto;
    width: 100%;
    max-width: 280px;
    align-self: center;
    height: auto;
    min-width: 0;
    padding: 10px 12px 8px;
  }

  .topa-mexp-choice.topa-nav-panel--book,
  .topa-mexp-choice.topa-nav-panel--trial {
    min-width: 0;
  }

  .topa-mexp-choice-body {
    gap: 4px;
  }

  .topa-mexp-choice .topa-nav-panel-divider {
    margin-top: 4px;
  }

  .topa-mexp-choice .topa-nav-panel-inner {
    font-size: clamp(10px, 2.8vw, 13px);
    gap: 6px;
  }

  .topa-mexp-choice-play {
    font-size: 10px;
  }

  .topa-mexp-choice-bullets {
    display: none !important;
  }

  /* Features */
  .topa-feature-block {
    padding: 0;
  }

  .topa-feature-card {
    padding: 14px 6px 14px 12px;
    border-radius: 14px;
  }

  .topa-feature-headline {
    font-size: clamp(22px, 6.2vw, 28px);
    line-height: 1.25;
    text-align: left;
  }

  .topa-feature-title-pill {
    white-space: normal;
    display: inline;
    line-height: 1.5;
  }

  .topa-feature-desc {
    font-size: 0.9rem;
    line-height: 1.5;
    max-width: none;
  }

  .topa-feature-b2b-note-pill,
  .topa-feature-channels-panel,
  .topa-feature-logos-mini:not(.topa-feature-logos-mini--push) > .topa-feature-logos-mini-grid {
    padding: 10px 8px;
  }

  .topa-feature-b2b-note-text {
    font-size: 11px;
    line-height: 1.35;
  }

  .topa-feature-logos-mini--push > .topa-feature-logos-mini-lead {
    padding: 10px 8px 0;
  }

  .topa-feature-logos-mini--push > .topa-feature-logos-mini-grid {
    padding: 6px 8px 10px;
  }

  .topa-feature-demo-btns,
  .topa-signals-demo-btns {
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    width: 100%;
  }

  .topa-feature-demo-btn,
  .topa-signals-demo-btn,
  .topa-vm-clone-demo-btn {
    width: 100%;
    max-width: 100%;
    justify-content: flex-start;
    text-align: left;
    min-width: 0;
    min-height: 44px;
    padding: 12px 14px;
    font-size: 12px;
    box-sizing: border-box;
  }

  .topa-nav-panel-inner:not(.vm-label),
  #topaCalcModal .tc-panel-btn .topa-nav-panel-inner,
  .ps-panel-btn .topa-nav-panel-inner,
  .lps-panel-btn .topa-nav-panel-inner {
    justify-content: center;
    text-align: center;
  }

  .topa-feature-demo-btn--webhook {
    width: 100%;
    max-width: 100%;
    min-width: 0;
    align-items: flex-start;
  }

  .topa-feature-demo-btn-logos {
    flex-wrap: wrap;
    justify-content: flex-start;
    max-width: 100%;
  }

  .topa-feature-demo-btn-logos .topa-feature-logos-mini-slot img {
    max-width: 100%;
  }

  .topa-feature-logos-mini-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
  }

  .topa-voice-grid,
  .topa-vm-mock-frame .topa-voice-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
  }

  .topa-vm-mock-frame .topa-voice-grid > .topa-voice-card-wrapper:nth-child(n+7) {
    display: none;
  }

  .topa-voice-label {
    font-size: 11px;
  }

  .topa-vm-clone-mini-tabs {
    flex-wrap: wrap;
    gap: 6px;
  }

  .topa-vm-clone-mini-tab {
    flex: 1 1 calc(50% - 6px);
    min-height: 40px;
    font-size: 11px;
  }

  .topa-combo-grid {
    gap: 16px;
  }

  .topa-combo-card {
    padding: 18px 10px 18px 12px;
    border-radius: 16px;
  }

  .topa-feature-results-preview-table {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .topa-feature-results-preview-table .ce-tbl {
    min-width: 520px;
  }

  /* B2B workflow */
  .b2b-workflow-container {
    margin: 0 -4px;
    padding: 8px 8px;
    border-radius: 12px;
  }

  .b2b-use-case-label {
    font-size: 0.75rem;
    padding: 6px 14px;
  }

  .b2b-box-text {
    font-size: 12px;
  }

  /* Testimonials */
  .sf-testimonials {
    --sf-card-width: min(272px, calc(100vw - 12px));
    --sf-gap: 12px;
  }

  .sf-testimonials__card {
    padding: 14px 14px 8px;
  }

  .sf-testimonials__quote {
    font-size: 13px;
    line-height: 1.45;
  }

  .ps-card,
  .lps-card {
    padding: 16px 8px;
    border-radius: 16px;
  }

  .ps-hero-cta,
  .lps-hero-cta {
    flex-direction: column;
    align-items: center;
    width: 100%;
  }

  .ps-hero-cta .topa-nav-panel,
  .lps-hero-cta .topa-nav-panel,
  .ps-panel-btn,
  .lps-panel-btn {
    width: auto;
    max-width: 100%;
    min-width: 0;
  }

  .ps-ticks span,
  .lps-ticks span {
    font-size: 0.5rem;
    padding: 6px 0;
    min-height: 32px;
  }

  /* Modals — sheet style on phone */
  .topa-demo-modal,
  .topa-signals-demo-modal,
  .topa-results-modal,
  .topa-calc-modal {
    padding: 0;
    align-items: flex-end;
  }

  .topa-demo-modal-dialog,
  .topa-signals-demo-modal-dialog,
  .topa-results-modal .topa-demo-modal-dialog,
  .topa-calc-modal-dialog {
    width: 100%;
    max-height: calc(100dvh - var(--safe-top));
    border-radius: 18px 18px 0 0;
    margin-bottom: 0;
  }

  .topa-demo-modal-body {
    aspect-ratio: auto;
    min-height: 52dvh;
  }

  .topa-calc-modal-body {
    padding: 12px;
    padding-bottom: calc(12px + var(--safe-bottom));
  }

  #tc .gb {
    flex-direction: column;
    align-items: center;
  }

  #topaCalcModal .tc-panel-btn {
    width: auto;
    max-width: 100%;
    min-width: 0;
    min-height: 48px;
  }

  #tc .cols {
    flex-direction: column;
  }

  #tc .cr {
    width: 100%;
    position: static;
  }

  #tc .ni,
  #tc select.ni {
    font-size: 16px;
    min-height: 44px;
  }

  /* Footer */
  .topa-ft-inner {
    padding: 12px 8px calc(12px + var(--safe-bottom));
    gap: 14px;
  }

  .topa-ft-logo img {
    height: 24px;
  }

  .topa-ft-nav,
  .topa-ft-legal {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
    width: 100%;
  }

  .topa-ft-nav .topa-nav-panel,
  .topa-ft-legal .topa-nav-panel {
    width: auto;
    max-width: 100%;
    min-width: 0;
    min-height: 44px;
    justify-content: center;
    flex: 0 1 auto;
  }

  .topa-ft-legal .topa-nav-panel-inner,
  .topa-ft-nav .topa-nav-panel-inner {
    white-space: normal;
    text-align: center;
    font-size: 11px;
    line-height: 1.25;
    justify-content: center;
    width: auto;
  }

  /* Legal pages */
  .topa-legal-main,
  .pp-page {
    padding-left: calc(16px + var(--safe-left));
    padding-right: calc(16px + var(--safe-right));
  }

  .pp-card,
  .pp-wrap .pp-card {
    padding: 20px 14px;
    border-radius: 16px;
  }

  .pp-page .rtc-response-text-heading {
    font-size: clamp(22px, 6.4vw, 30px);
  }

  .pp-page .subtext-content {
    font-size: 13px;
    line-height: 1.55;
  }

  .zq4v8-content {
    grid-template-columns: 1fr;
  }

  .zq4v8-item {
    width: 100%;
    text-align: center;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  /* 404 */
  .topa-404 {
    padding: 48px 16px 80px;
  }

  .topa-404-actions {
    flex-direction: column;
    align-items: center;
  }

  .topa-404-actions .topa-nav-panel {
    width: auto;
    max-width: 100%;
    min-height: 44px;
  }

  /* Integration logos — static on mobile, no fade */
  .xyasda-logo {
    position: relative;
    opacity: 0.85;
    transition: none;
    filter: brightness(0) invert(1);
  }

  .xyasda-logo:not(.active) {
    display: none;
  }

  .xyasda-logo-panel {
    padding: 12px;
  }

  .xyasda-logo-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
  }

  .xyasda-logo-container {
    height: 42px;
  }

  /* Ticker */
  .topa-ticker-outer {
    padding-top: 15px;
    padding-bottom: 8px;
    gap: 4px;
  }

  .custom-ticker-item {
    font-size: 9px;
    padding: 0 14px;
  }
}