/* ==========================================================================
   Sona Landing Page v3 — Redesign (1440px → tablet → mobile)
   ========================================================================== */

@font-face {
  font-family: 'PP Right Grotesk';
  src: url('fonts/PPRightGrotesk-CompactBlack.woff2') format('woff2'),
       url('fonts/PPRightGrotesk-CompactBlack.woff') format('woff'),
       url('fonts/PPRightGrotesk-CompactBlack.eot') format('embedded-opentype');
  font-weight: 900;
  font-style: normal;
  font-display: swap;
}

:root {
  --font-heading: 'PP Right Grotesk', 'Oswald', 'Arial Black', sans-serif;
  --font-body: 'ES Rebond Grotesque', 'DM Sans', system-ui, sans-serif;
  --dark: #29323c;
  --near-black: #222;
  --body-text: #636a73;
  --white: #fff;
  --cream: #fff4dc;
  --cream-warm: #f7eacd;
  --blue-light: #deebfe;
  --blue-mid: #cbe1fd;
  --peach: #f5c9b3;
  --salmon: #efaa95;
  --yellow: #fae355;
  --gray: #e0e0e0;
  --faq-btn: #415771;
  --border: #ccc;
}

/* ---------- Reset ---------- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
body { font-family: var(--font-body); color: var(--dark); background: var(--white); overflow-x: hidden; }
a { color: inherit; }
img { display: block; max-width: 100%; }
h1,h2,h3,h4,h5 { font-weight: 700; }

/* ---------- A/B test: variant B shows badges on mobile ---------- */
.ab-badges { display: none !important; }

/* ---------- Sticky Top Bar ---------- */
.sticky-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--white);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
  transform: translateY(-100%);
  opacity: 0;
  transition: transform 0.35s ease, opacity 0.35s ease;
  pointer-events: none;
}
.sticky-bar.is-visible {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}
.sticky-bar-inner {
  max-width: 1440px;
  margin: 0 auto;
  padding: 14px 100px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.sticky-logo {
  width: 72px;
  height: auto;
}
.sticky-right {
  display: flex;
  align-items: center;
  gap: 20px;
}
.sticky-lumen {
  height: 33px;
  width: auto;
}
.sticky-bar .sticky-cta {
  font-size: 14px;
  padding: 10px 20px;
  line-height: 1;
}

/* ---------- Page ---------- */
.page { max-width: 1440px; width: 100%; margin: 0 auto; }

/* Full-bleed: stretch edge-to-edge on viewports wider than 1440px */
.full-bleed {
  width: 100vw;
  margin-left: calc(50% - 50vw);
}

/* ==========================================================================
   ANNOUNCEMENT BAR
   ========================================================================== */
.announcement-bar {
  background: var(--blue-light);
  padding: 12px 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  min-height: 171px;
}
.announcement-content {
  display: flex;
  align-items: center;
  gap: 31px;
}
.announcement-card {
  height: 140px;
  width: auto;
  flex-shrink: 0;
}
.announcement-text {
  font-size: 20px;
  line-height: 28px;
  color: #000;
  max-width: 520px;
}
.announcement-heading {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 28px;
  line-height: 28px;
  letter-spacing: 0.25px;
  margin-bottom: 16px;
}
.announcement-cta {
  background: var(--blue-mid);
  padding: 8px 16px;
  border-radius: 100px;
  font-weight: 700;
  font-size: 16px;
  letter-spacing: -0.04px;
  text-decoration: underline;
  white-space: nowrap;
  flex-shrink: 0;
}
.announcement-close {
  position: absolute;
  right: 20px;
  top: 22px;
  background: none;
  border: none;
  font-size: 22px;
  line-height: 1;
  color: #000;
  cursor: pointer;
  padding: 4px 8px;
  opacity: 0.6;
  transition: opacity 0.2s;
}
.announcement-close:hover { opacity: 1; }

/* ==========================================================================
   HERO
   ========================================================================== */
.hero-section {
  position: relative;
  padding: 40px 100px;
  min-height: 70vh;
  display: flex;
  align-items: center;
}
.hero-inner {
  display: flex;
  align-items: center;
  gap: 64px;
  width: 100%;
}
.hero-media {
  flex: 1 1 55%;
  min-width: 0;
  position: relative;
}
.hero-photo {
  border-radius: 40px;
  overflow: hidden;
  background: var(--gray);
  aspect-ratio: 1 / 1;
}
.hero-photo video,
.hero-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-content {
  flex: 1 1 45%;
  min-width: 0;
  display: flex;
  flex-direction: column;
}
.logo-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 64px;
}
.logo { width: 91px; height: 29px; }
.logo-lumen { height: 44px; width: auto; }
.hero-title {
  font-family: var(--font-heading);
  font-size: 68px;
  line-height: 68px;
  letter-spacing: 0.24px;
  color: var(--dark);
  margin-bottom: 24px;
}
.hero-description {
  font-weight: 400;
  font-size: 24px;
  line-height: 32px;
  color: var(--dark);
  max-width: 744px;
  margin-bottom: 40px;
}
.hero-badge {
  position: absolute;
  top: -25px;
  right: -25px;
  width: 190px;
  height: 190px;
  background: var(--yellow);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  transform: rotate(7.11deg);
  padding: 12px 12px 16px;
  z-index: 2;
}
.hero-badge span {
  font-weight: 500;
  font-size: 21px;
  line-height: 32px;
  color: var(--dark);
}
.hero-badge strong { font-weight: 700; }
.badge-link {
  color: var(--dark);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.store-badges { display: flex; align-items: center; gap: 17px; flex-wrap: wrap; }
.store-badges img { height: 50px; width: auto; }

/* ==========================================================================
   BUTTONS
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 100px;
  border: none;
  font-family: var(--font-body);
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
  width: fit-content;
  cursor: pointer;
}
.btn-dark {
  background: var(--dark);
  color: var(--white);
  font-size: 24px;
  line-height: 24px;
  padding: 12px 24px;
}
.btn-hero {
  font-size: 28px;
  line-height: 24px;
  padding: 16px 32px;
}
.btn-yellow {
  background: var(--yellow);
  color: var(--dark);
  font-size: 24px;
  line-height: 24px;
  padding: 12px 24px;
}

/* ==========================================================================
   OFFER SECTION
   ========================================================================== */
.offer-section {
  padding: 40px 100px;
}
.offer-inner {
  background: var(--blue-light);
  border-radius: 40px;
  padding: 0 80px 0 0;
  display: flex;
  align-items: center;
  gap: 40px;
  overflow: hidden;
  min-height: 400px;
}
.gift-card { flex-shrink: 0; align-self: stretch; display: flex; align-items: center; }
.gift-card img { height: 328px; width: auto; }
.gift-card-mobile { display: none; }
.offer-content {
  display: flex;
  flex-direction: column;
  gap: 24px;
  max-width: 527px;
}
.offer-title {
  font-family: var(--font-heading);
  font-size: 52px;
  line-height: 1;
  letter-spacing: 0.24px;
  color: var(--dark);
}
.offer-body {
  font-weight: 500;
  font-size: 24px;
  line-height: 32px;
  color: var(--dark);
}

/* ==========================================================================
   FEATURE GRID (2×2)
   ========================================================================== */
.feature-grid {
  display: grid;
  grid-template-columns: 466fr 774fr;
  padding: 0 100px;
}

/* --- Image tiles (top row) --- */
.feature-img {
  overflow: hidden;
  height: 364px;
}
.feature-img img,
.feature-img video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.feature-tl {
  background: var(--peach);
  border-top-left-radius: 40px;
}
.feature-tr {
  background: var(--gray);
  border-top-right-radius: 40px;
}
.feature-tr img,
.feature-tr video {
  object-position: center center;
}

/* --- Text tiles (bottom row) --- */
.feature-text {
  padding: 40px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.feature-text h3 {
  font-weight: 700;
  font-size: 28px;
  line-height: 32px;
  color: var(--dark);
}
.feature-text p {
  font-weight: 500;
  font-size: 20px;
  line-height: 28px;
  color: #3A260A;
}
.feature-bl {
  background: var(--cream-warm);
  border-bottom-left-radius: 40px;
}
.feature-br {
  background: var(--cream);
  border-bottom-right-radius: 40px;
}
.feature-br p {
  max-width: 460px;
}

/* ==========================================================================
   STEPS SECTION
   ========================================================================== */
.steps-section {
  padding: 80px 100px;
}
.steps-inner {
  display: flex;
  align-items: center;
  gap: 60px;
}
.steps-phone {
  flex-shrink: 0;
  width: 460px;
  border-radius: 40px;
  overflow: hidden;
}
.steps-phone img,
.steps-phone video {
  width: 100%;
  height: auto;
  display: block;
}
.desktop-break { display: inline; }
.steps-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 40px;
  min-width: 0;
}
.steps-title {
  font-family: var(--font-heading);
  font-size: 52px;
  line-height: 1;
  letter-spacing: 0.24px;
  color: var(--dark);
}
.steps-list {
  display: flex;
  flex-direction: column;
  gap: 32px;
}
.step {
  display: flex;
  align-items: flex-start;
  gap: 20px;
}
.step-number {
  width: 30px;
  height: 30px;
  background: var(--near-black);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 500;
  font-size: 20px;
  flex-shrink: 0;
  margin-top: 2px;
}
.step-copy {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.step-text {
  font-weight: 700;
  font-size: 28px;
  line-height: 32px;
  color: var(--dark);
}
.step-desc {
  font-weight: 500;
  font-size: 20px;
  line-height: 28px;
  color: var(--body-text);
}

/* ==========================================================================
   POWERED BY AI SECTION
   ========================================================================== */
.ai-section {
  padding: 0 100px 40px;
}
.ai-inner {
  background: var(--salmon);
  border-radius: 40px;
  padding: 0 0 0 80px;
  display: flex;
  align-items: center;
  gap: 40px;
  overflow: hidden;
  min-height: 500px;
}
.ai-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 24px;
  min-width: 0;
  padding: 40px 0;
}
.ai-title {
  font-family: var(--font-heading);
  font-size: 52px;
  line-height: 1;
  letter-spacing: 0.24px;
  color: var(--dark);
}
.ai-body {
  font-weight: 500;
  font-size: 24px;
  line-height: 32px;
  color: var(--dark);
}
.ai-phone {
  flex-shrink: 0;
  align-self: flex-start;
}
.ai-phone img {
  height: 420px;
  width: auto;
}

/* ==========================================================================
   THREE-COLUMN GRID
   ========================================================================== */
.bottom-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  padding: 0 100px;
  margin-bottom: 80px;
}
.bottom-grid .card { display: contents; }
.bottom-grid .card:nth-child(1) .image-tile { order: 1; }
.bottom-grid .card:nth-child(2) .image-tile { order: 2; }
.bottom-grid .card:nth-child(3) .image-tile { order: 3; }
.bottom-grid .card:nth-child(1) .text-tile  { order: 4; }
.bottom-grid .card:nth-child(2) .text-tile  { order: 5; }
.bottom-grid .card:nth-child(3) .text-tile  { order: 6; }

.image-tile {
  overflow: hidden;
  position: relative;
}
.bottom-grid .image-tile {
  height: 364px;
}
.image-tile img,
.image-tile video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.bg-gray  { background-color: var(--gray); }
.bg-peach { background-color: var(--peach); }
.bg-cream { background-color: var(--cream); }
.bg-blue  { background-color: var(--blue-mid); }

/* Rounded corners — outer edges only */
.bottom-grid .card:nth-child(1) .image-tile { border-top-left-radius: 40px; }
.bottom-grid .card:nth-child(3) .image-tile { border-top-right-radius: 40px; }
.bottom-grid .card:nth-child(1) .text-tile  { border-bottom-left-radius: 40px; }
.bottom-grid .card:nth-child(3) .text-tile  { border-bottom-right-radius: 40px; }

/* Text tile backgrounds */
.bottom-grid .card:nth-child(1) .text-tile { background: var(--cream-warm); }
.bottom-grid .card:nth-child(2) .text-tile { background: var(--cream); }
.bottom-grid .card:nth-child(3) .text-tile { background: var(--cream-warm); }

.text-tile {
  padding: 40px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.tile-title {
  font-weight: 700;
  font-size: 28px;
  line-height: 32px;
  color: var(--dark);
}
.tile-body {
  font-weight: 500;
  font-size: 20px;
  line-height: 28px;
  color: #3A260A;
}

/* ==========================================================================
   PATTERN STRIP (decorative)
   ========================================================================== */
.pattern-strip {
  height: 131px;
  background-image: url('images/pattern.png');
  background-size: cover;
  background-position: center;
}

/* ==========================================================================
   FAQ SECTION
   ========================================================================== */
.faq-section {
  background: var(--dark);
  padding: 126px 60px 100px;
}
.faq-inner { max-width: 848px; margin: 0 auto; }
.faq-title {
  font-family: var(--font-heading);
  font-size: 52px;
  line-height: 1;
  letter-spacing: 0.24px;
  color: var(--white);
  margin-bottom: 56px;
}
.faq-list { display: flex; flex-direction: column; gap: 40px; }
.faq-item { display: block; }
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  cursor: pointer;
  list-style: none;
}
.faq-question::-webkit-details-marker { display: none; }
.faq-question::marker { display: none; content: ''; }
.faq-question h4 { font-weight: 700; font-size: 21px; line-height: 28px; color: var(--white); }
.faq-chevron {
  background: var(--faq-btn);
  border-radius: 100px;
  padding: 8px 9px 8px 7px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transform: rotate(-90deg);
  transition: transform 0.3s ease;
}
.faq-item[open] .faq-chevron { transform: rotate(90deg); }
.faq-answer { margin-top: 6px; }
.faq-answer, .faq-answer p { font-weight: 400; font-size: 20px; line-height: 28px; color: var(--white); }
.faq-answer p + p { margin-top: 28px; }

/* ==========================================================================
   BOTTOM SECTION
   ========================================================================== */
.bottom-section { padding: 0; background-color: #f2f2f2; overflow: hidden; }
.bottom-inner { display: flex; align-items: stretch; max-width: 1440px; margin: 0 auto; }
.bottom-phone {
  width: 50%;
  display: flex;
  align-items: flex-end;
  padding-left: 117px;
}
.bottom-phone img { width: 100%; max-width: 620px; height: auto; }
.bottom-content {
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding: 80px 60px 80px 0;
  width: 50%;
  justify-content: center;
}
.bottom-title {
  font-family: var(--font-heading);
  font-size: 60px;
  line-height: 68px;
  letter-spacing: 0.24px;
  color: var(--dark);
}
.bottom-body { font-weight: 500; font-size: 24px; line-height: 32px; color: var(--dark); }

/* ==========================================================================
   FOOTER
   ========================================================================== */
.footer { border-top: 1px solid var(--border); padding: 32px 111px; }
.footer-inner { display: flex; flex-direction: column; gap: 32px; max-width: 1440px; margin: 0 auto; }
.footer-info { display: flex; flex-direction: column; gap: 17px; max-width: 746px; }
.footer-info h5 { font-weight: 700; font-size: 24px; line-height: 36px; color: #212633; }
.footer-info p { font-size: 16px; line-height: 28px; color: #212633; }
.footer-info a { font-weight: 700; text-decoration: underline; }
.footer-small { font-size: 16px; line-height: 28px; }
.footer-divider { height: 1px; background: #212633; }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; gap: 16px; font-size: 14px; line-height: 24px; color: #212633; }
.footer-links { display: flex; flex-wrap: wrap; gap: 24px; }
.footer-links a { color: #212633; text-decoration: underline; }

/* ==========================================================================
   DOWNLOAD MODAL
   ========================================================================== */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(34, 34, 34, 0.4);
  z-index: 1000;
  align-items: center;
  justify-content: center;
}
.modal-overlay.is-open {
  display: flex;
}
.modal {
  background: var(--white);
  border-radius: 40px;
  width: 752px;
  padding: 64px 75px 64px;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 40px;
}
.modal-close {
  position: absolute;
  top: 40px;
  right: 40px;
  background: none;
  border: none;
  font-size: 28px;
  line-height: 1;
  color: var(--dark);
  cursor: pointer;
  padding: 4px;
}
.modal-content {
  display: flex;
  flex-direction: column;
  gap: 24px;
  max-width: 527px;
}
.modal-title {
  font-family: var(--font-heading);
  font-size: 52px;
  line-height: 1;
  letter-spacing: 0.24px;
  color: var(--dark);
}
.modal-desc {
  font-weight: 500;
  font-size: 24px;
  line-height: 32px;
  color: var(--dark);
}
.modal-downloads {
  display: flex;
  align-items: flex-start;
  gap: 28px;
}
.modal-qr {
  width: 167px;
  height: 167px;
  border-radius: 8px;
}
.modal-badges {
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding-top: 25px;
}
.modal-badges img {
  height: 50px;
  width: auto;
}



/* ==========================================================================
   LEGAL PAGES (privacy, terms-of-use, terms) — client-agnostic
   ========================================================================== */
.legal-page { padding-top: 64px; }
.legal-hero {
  background: var(--cream);
  padding: 80px 100px 64px;
}
.legal-hero-inner {
  max-width: 848px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.legal-eyebrow {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 14px;
  line-height: 20px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--body-text);
}
.legal-title {
  font-family: var(--font-heading);
  font-size: 60px;
  line-height: 64px;
  letter-spacing: 0.24px;
  color: var(--dark);
}
.legal-subtitle {
  font-weight: 500;
  font-size: 18px;
  line-height: 28px;
  color: var(--body-text);
}
.legal-body {
  padding: 64px 100px 96px;
}
.legal-inner { max-width: 848px; margin: 0 auto; }
.legal-intro {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--border);
}
.legal-intro p,
.legal-section p,
.legal-section li {
  font-weight: 400;
  font-size: 17px;
  line-height: 28px;
  color: var(--dark);
}
.legal-section { margin-bottom: 40px; }
.legal-section h2 {
  font-family: var(--font-heading);
  font-size: 28px;
  line-height: 32px;
  letter-spacing: 0.2px;
  color: var(--dark);
  margin: 32px 0 16px;
}
.legal-section h2:first-child { margin-top: 0; }
.legal-section h3 {
  font-weight: 700;
  font-size: 20px;
  line-height: 28px;
  color: var(--dark);
  margin: 24px 0 12px;
}
.legal-section p + p { margin-top: 16px; }
.legal-section ul,
.legal-section ol { margin: 16px 0; padding-left: 24px; }
.legal-section li { margin-bottom: 8px; }
.legal-section li ul { margin-top: 8px; margin-bottom: 0; }
.legal-section a,
.legal-intro a {
  color: var(--dark);
  text-decoration: underline;
  text-underline-offset: 2px;
  font-weight: 500;
}
.legal-section a:hover,
.legal-intro a:hover { color: var(--faq-btn); }
.legal-toc {
  background: var(--cream);
  border-radius: 24px;
  padding: 28px 32px;
  margin: 0 0 40px;
  list-style: none;
  counter-reset: toc;
}
.legal-toc li {
  counter-increment: toc;
  padding: 8px 0;
  font-size: 16px;
  line-height: 24px;
  color: var(--dark);
}
.legal-toc li::before {
  content: counter(toc) ". ";
  font-weight: 700;
}
.legal-callout {
  background: var(--blue-light);
  border-radius: 16px;
  padding: 20px 24px;
  margin: 16px 0;
}
.legal-callout p {
  font-weight: 500;
  font-size: 16px;
  line-height: 26px;
}
.legal-emphasis {
  background: var(--cream-warm);
  border-radius: 16px;
  padding: 20px 24px;
  margin: 16px 0;
}
.legal-emphasis p { font-weight: 600; }
.legal-contact {
  background: var(--cream);
  border-radius: 16px;
  padding: 24px 28px;
  margin-top: 16px;
}
.legal-contact p { margin-top: 4px; }
.legal-contact p:first-child { margin-top: 0; }

@media (max-width: 1024px) {
  .legal-hero { padding: 56px 40px 40px; }
  .legal-title { font-size: 44px; line-height: 48px; }
  .legal-body { padding: 48px 40px 72px; }
  .legal-section h2 { font-size: 24px; line-height: 28px; }
}
@media (max-width: 640px) {
  .legal-page { padding-top: 56px; }
  .legal-hero { padding: 40px 24px 32px; }
  .legal-title { font-size: 36px; line-height: 40px; }
  .legal-subtitle { font-size: 16px; line-height: 24px; }
  .legal-body { padding: 32px 24px 56px; }
  .legal-intro p,
  .legal-section p,
  .legal-section li { font-size: 16px; line-height: 26px; }
  .legal-section h2 { font-size: 22px; line-height: 26px; }
  .legal-section h3 { font-size: 18px; line-height: 24px; }
  .legal-toc { padding: 20px 24px; }
}

/* ==========================================================================
   RESPONSIVE — TABLET (max-width: 1024px)
   ========================================================================== */
@media (max-width: 1024px) {

  /* --- Sticky bar --- */
  .sticky-bar-inner { padding: 12px 40px; }
  .sticky-lumen { height: 33px; }

  /* --- Logos --- */
  .logo-lumen { height: 44px; }

  /* --- Announcement --- */
  .announcement-bar { min-height: auto; padding: 16px 40px; }
  .announcement-content { flex-wrap: wrap; gap: 16px; justify-content: center; text-align: center; }
  .announcement-card { height: 100px; }
  .announcement-text { font-size: 18px; line-height: 26px; }
  .announcement-heading { font-size: 24px; margin-bottom: 8px; }
  .announcement-cta { width: auto; text-align: center; }

  /* --- Hero --- */
  .hero-section { padding: 32px 40px; min-height: 70vh; }
  .hero-inner { flex-direction: column-reverse; gap: 32px; }
  .hero-media { flex: none; width: 100%; }
  .hero-photo { aspect-ratio: 16 / 9; border-radius: 32px; }
  .hero-content { flex: none; width: 100%; }
  .hero-badge { right: -15px; top: -25px; width: 150px; height: 150px; padding: 10px; }
  .hero-badge span { font-size: 16px; line-height: 24px; }
  .hero-title { font-size: 52px; line-height: 54px; }
  .hero-description { font-size: 20px; line-height: 28px; }
  .btn-hero { font-size: 24px; padding: 12px 24px; }

  /* --- Offer --- */
  .offer-section { padding: 40px; }
  .offer-inner { flex-direction: column-reverse; gap: 0; padding: 40px 40px 0; border-radius: 32px; text-align: left; align-items: center; overflow: hidden; }
  .gift-card { align-self: center; align-items: flex-end; }
  .gift-card-desktop { display: none; }
  .gift-card-mobile { display: block; }
  .gift-card img { height: auto; width: 320px; }
  .offer-content { align-items: flex-start; padding-bottom: 32px; }
  .offer-title { font-size: 42px; }

  /* --- Feature Grid --- */
  .feature-grid { grid-template-columns: 1fr; padding: 0 40px; }
  .feature-img { height: 300px; }
  .feature-tl { order: 1; border-radius: 32px 32px 0 0; }
  .feature-bl { order: 2; border-radius: 0; }
  .feature-tr { order: 3; border-radius: 0; }
  .feature-br { order: 4; border-radius: 0 0 32px 32px; }

  /* --- Steps --- */
  .steps-section { padding: 60px 40px; }
  .steps-inner { flex-direction: column; gap: 48px; align-items: center; }
  .steps-content { align-items: center; text-align: center; }
  .steps-phone { width: 320px; border-radius: 24px; }
  .desktop-break { display: inline; }
  .steps-title { font-size: 42px; }
  .step { flex-direction: column; align-items: center; gap: 8px; }
  .step-text { font-size: 24px; line-height: 28px; }
  .step-desc { font-size: 18px; line-height: 26px; }

  /* --- AI section --- */
  .ai-section { padding: 0 40px 40px; }
  .ai-inner { flex-direction: column-reverse; padding: 0 40px 40px; border-radius: 32px; gap: 0; min-height: auto; }
  .ai-content { padding: 32px 0; }
  .ai-title { font-size: 42px; }
  .ai-phone { width: 100%; align-self: auto; }
  .ai-phone img { height: auto; width: 100%; border-radius: 32px 32px 0 0; }

  /* --- Bottom grid --- */
  .bottom-grid { grid-template-columns: 1fr; padding: 0 40px; }
  .bottom-grid .card { display: flex; flex-direction: column; }
  .bottom-grid .card .image-tile,
  .bottom-grid .card .text-tile { order: unset !important; border-radius: 0 !important; }
  .bottom-grid .image-tile { height: auto; aspect-ratio: 480 / 300; }
  .bottom-grid .card:first-child .image-tile { border-top-left-radius: 32px !important; border-top-right-radius: 32px !important; }
  .bottom-grid .card:last-child .text-tile { border-bottom-left-radius: 32px !important; border-bottom-right-radius: 32px !important; }

  /* --- FAQ --- */
  .faq-section { padding: 80px 60px; }
  .faq-title { font-size: 42px; }

  /* --- Bottom --- */
  .bottom-inner { flex-direction: column-reverse; align-items: stretch; }
  .bottom-phone { width: 100%; padding: 0 60px; display: flex; justify-content: center; }
  .bottom-phone img { max-width: 400px; }
  .bottom-content { padding: 48px 40px 24px; width: 100%; align-items: center; text-align: center; gap: 20px; }
  .bottom-title { font-size: 48px; line-height: 52px; }

  /* --- Footer --- */
  .footer { padding: 32px 40px; }
}


/* ==========================================================================
   RESPONSIVE — MOBILE (max-width: 640px)
   ========================================================================== */
@media (max-width: 640px) {

  /* --- Sticky bar --- */
  .sticky-bar-inner { padding: 12px 24px; }
  .sticky-logo { width: 60px; }
  .sticky-lumen { height: 34px; }
  .sticky-right { gap: 12px; }
  .sticky-bar .sticky-cta { font-size: 13px; padding: 8px 16px; }

  /* --- A/B test: variant B swaps buttons for badges on mobile --- */
  .variant-b .ab-btn { display: none !important; }
  .variant-b .ab-badges { display: flex !important; align-items: center; gap: 12px; flex-wrap: wrap; }
  .variant-b .ab-badges img { height: 44px; width: auto; }

  /* --- Announcement --- */
  .announcement-bar { padding: 16px 24px; min-height: auto; }
  .announcement-content { gap: 12px; flex-wrap: wrap; justify-content: center; text-align: center; }
  .announcement-card { height: 80px; }
  .announcement-heading { font-size: 22px; line-height: 26px; margin-bottom: 6px; }
  .announcement-text { font-size: 16px; line-height: 24px; }
  .announcement-cta { font-size: 15px; padding: 8px 16px; width: auto; text-align: center; }

  /* --- Hero --- */
  .hero-section { padding: 32px 24px 24px; min-height: auto; }
  .hero-inner { gap: 40px; }
  .hero-photo { aspect-ratio: 4 / 3; border-radius: 24px; }
  .hero-badge { width: 110px; height: 110px; padding: 8px; top: -55px; right: -5px; bottom: auto; }
  .hero-badge span { font-size: 12px; line-height: 16px; }
  .logo-row { margin-bottom: 24px; }
  .logo { width: 72px; height: 23px; }
  .logo-lumen { height: 36px; width: auto; max-width: none; }
  .hero-title { font-size: 44px; line-height: 46px; margin-bottom: 16px; }
  .hero-description { font-size: 18px; line-height: 26px; margin-bottom: 24px; }
  .btn-hero { font-size: 20px; padding: 10px 20px; }
  .store-badges img { height: 44px; }

  /* --- Offer --- */
  .offer-section { padding: 24px; }
  .offer-inner { flex-direction: column-reverse; gap: 0; padding: 32px 24px 0; border-radius: 24px; text-align: left; align-items: center; overflow: hidden; }
  .gift-card { align-self: center; align-items: flex-end; }
  .gift-card-desktop { display: none; }
  .gift-card-mobile { display: block; }
  .gift-card img { height: auto; width: 280px; }
  .offer-content { align-items: flex-start; padding-bottom: 24px; }
  .offer-title { font-size: 36px; }
  .offer-body { font-size: 18px; line-height: 26px; }

  /* --- Feature Grid --- */
  .feature-grid { padding: 0 24px; }
  .feature-img { height: 240px; }
  .feature-tl { order: 1; border-radius: 24px 24px 0 0; }
  .feature-bl { order: 2; border-radius: 0; }
  .feature-tr { order: 3; border-radius: 0; }
  .feature-br { order: 4; border-radius: 0 0 24px 24px; }
  .feature-text { padding: 28px 24px; }
  .feature-text h3 { font-size: 24px; line-height: 28px; }
  .feature-text p { font-size: 17px; line-height: 24px; }

  /* --- Steps --- */
  .steps-section { padding: 48px 24px; }
  .steps-inner { gap: 32px; align-items: center; }
  .steps-content { align-items: center; text-align: center; }
  .steps-phone { width: 260px; border-radius: 24px; }
  .steps-title { font-size: 36px; }
  .desktop-break { display: inline; }
  .step { flex-direction: column; align-items: center; gap: 8px; }
  .step-text { font-size: 22px; line-height: 26px; }
  .step-desc { font-size: 16px; line-height: 22px; }
  .step-number { width: 28px; height: 28px; font-size: 16px; }

  /* --- AI section --- */
  .ai-section { padding: 0 24px 32px; }
  .ai-inner { flex-direction: column-reverse; padding: 0 24px 32px; border-radius: 24px; gap: 0; min-height: auto; }
  .ai-content { padding: 24px 0; }
  .ai-phone { width: 100%; align-self: auto; }
  .ai-phone img { height: auto; width: 100%; border-radius: 24px 24px 0 0; }
  .ai-title { font-size: 36px; }
  .ai-body { font-size: 18px; line-height: 26px; }
  .btn-dark { font-size: 20px; padding: 10px 20px; }
  .btn-yellow { font-size: 20px; padding: 10px 20px; }

  /* --- Bottom grid --- */
  .bottom-grid { grid-template-columns: 1fr; padding: 0 24px; }
  .bottom-grid .card:first-child .image-tile { border-top-left-radius: 24px !important; border-top-right-radius: 24px !important; }
  .bottom-grid .card:last-child .text-tile { border-bottom-left-radius: 24px !important; border-bottom-right-radius: 24px !important; }
  .text-tile { padding: 28px 24px; }
  .tile-title { font-size: 24px; line-height: 28px; }
  .tile-body { font-size: 17px; line-height: 24px; }

  /* --- FAQ --- */
  .faq-section { padding: 60px 24px; }
  .faq-title { font-size: 36px; margin-bottom: 40px; }
  .faq-list { gap: 32px; }
  .faq-question h4 { font-size: 18px; line-height: 24px; }
  .faq-chevron { padding: 6px 7px 6px 5px; }
  .faq-chevron svg { width: 24px; height: 24px; }
  .faq-answer, .faq-answer p { font-size: 16px; line-height: 24px; }

  /* --- Bottom --- */
  .bottom-phone { padding: 0 24px; width: 100%; justify-content: center; }
  .bottom-phone img { max-width: 320px; }
  .bottom-content { padding: 32px 24px 16px; align-items: center; text-align: center; width: 100%; gap: 16px; }
  .bottom-title { font-size: 36px; line-height: 40px; }
  .bottom-body { font-size: 18px; line-height: 26px; }

  /* --- Footer --- */
  .footer { padding: 24px; }
  .footer-info h5 { font-size: 20px; line-height: 28px; }
  .footer-info p { font-size: 14px; line-height: 24px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; gap: 8px; font-size: 13px; }
  .footer-links { gap: 16px; }
}