:root {
  --bg-main: #f5f5f7;
  --bg-elevated: #ffffff;
  --bg-soft: #fafafa;
  --accent: #ff8a3c;
  --accent-soft: rgba(255, 138, 60, 0.12);
  --text-main: #111111;
  --text-muted: #6b6b6f;
  --border-subtle: #e2e2e7;
  --shadow-soft: 0 18px 40px rgba(15, 23, 42, 0.08);
  --radius-large: 24px;
  --radius-medium: 20px;
  --nav-height: 64px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", system-ui, sans-serif;
  color: var(--text-main);
  background-color: var(--bg-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

main {
  padding-inline: min(6vw, 72px);
}

.site-header {
  position: relative;
  padding-inline: min(6vw, 72px);
}

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-inline: min(6vw, 72px);
  z-index: 40;
  transition: background-color 0.25s ease, box-shadow 0.25s ease, backdrop-filter 0.25s ease;
}

.navbar.transparent {
  background: linear-gradient(to bottom, rgba(245, 245, 247, 0.9), rgba(245, 245, 247, 0.4));
  backdrop-filter: blur(18px);
}

.navbar.scrolled {
  background-color: rgba(255, 255, 255, 0.96);
  box-shadow: 0 1px 0 rgba(15, 23, 42, 0.06);
  backdrop-filter: blur(18px);
}

.nav-left,
.nav-center,
.nav-right {
  display: flex;
  align-items: center;
  gap: 24px;
}

.site-logo {
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.nav-center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  justify-content: center;
}

.nav-link {
  font-size: 0.95rem;
  color: var(--text-muted);
  padding: 6px 10px;
  border-radius: 999px;
  transition: color 0.2s ease, background-color 0.2s ease;
}

.nav-link:hover,
.nav-link.active {
  color: var(--text-main);
  background-color: rgba(17, 17, 17, 0.04);
}

.nav-right {
  gap: 16px;
}

.lang-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 6px 10px;
  min-width: 44px;
  min-height: 32px;
  border-radius: 999px;
  border: 1px solid rgba(226, 232, 240, 0.9);
  background-color: rgba(255, 255, 255, 0.9);
  font-size: 0.9rem;
  color: var(--text-muted);
  cursor: pointer;
}

.download-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 20px;
  min-height: 40px;
  border-radius: 999px;
  background-color: var(--accent);
  color: #ffffff;
  font-weight: 600;
  font-size: 0.9rem;
  border: none;
  cursor: pointer;
  box-shadow: 0 12px 25px rgba(255, 138, 60, 0.25);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.download-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 18px 40px rgba(255, 138, 60, 0.35);
}

.hero {
  padding-top: calc(var(--nav-height) + 32px);
  padding-bottom: 80px;
}

.hero-text {
  max-width: 720px;
  margin: 0 auto 16px;
  text-align: center;
}

.hero-title {
  margin: 0 0 12px;
  font-size: clamp(2.4rem, 3vw, 3rem);
  letter-spacing: -0.04em;
}

.hero-subtitle {
  color: var(--text-muted);
  font-size: 1rem;
  margin-bottom: 26px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 14px;
  justify-content: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 18px;
  border-radius: 999px;
  font-size: 0.9rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease, transform 0.15s ease;
}

.btn-primary {
  background-color: var(--accent);
  color: #ffffff;
  border-color: transparent;
  box-shadow: 0 12px 24px rgba(255, 138, 60, 0.3);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 18px 40px rgba(255, 138, 60, 0.4);
}

.btn-ghost {
  background-color: rgba(255, 255, 255, 0.8);
  color: var(--text-main);
  border-color: rgba(226, 232, 240, 0.9);
}

.btn-ghost:hover {
  background-color: #ffffff;
}

.hero-availability {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.hero-inner {
  max-width: 1040px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 30px;
}

.hero-centered {
  text-align: center;
}

.hero-media {
  width: 100%;
  max-width: 1040px;
  margin: 0 auto;
}

.video-shell {
  position: relative;
  width: 100%;
  border-radius: var(--radius-large);
  overflow: hidden;
}

.hero-video {
  display: block;
  width: 100%;
  height: 100%;
  border-radius: inherit;
  object-fit: contain;
  background-color: #000000;
}

.video-play-btn {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 64px;
  height: 64px;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  background-color: rgba(15, 23, 42, 0.78);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  box-shadow: 0 14px 30px rgba(15, 23, 42, 0.5);
  transition: transform 0.15s ease, box-shadow 0.15s ease, opacity 0.15s ease;
}

.video-play-btn::before {
  content: "▶";
  margin-left: 3px;
}

.video-play-btn:hover {
  transform: translate(-50%, -50%) scale(1.04);
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.6);
}

.video-play-btn.hidden {
  opacity: 0;
  pointer-events: none;
}

.image-card {
  background: transparent;
  border: none;
  border-radius: var(--radius-large);
  padding: 0;
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.06);
  overflow: hidden;
  transform: translateY(6px) scale(0.98);
  opacity: 0;
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.image-card img,
.image-card video {
  width: 100%;
  display: block;
  border-radius: inherit;
}

.image-card.visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.dual-media {
  display: grid;
  grid-template-columns: 2fr 1.2fr;
  gap: 16px;
  align-items: center;
}

.small-card {
  padding: 0;
}

.section-heading {
  max-width: 620px;
  margin: 0 auto 32px;
  text-align: center;
}

.section-eyebrow {
  font-size: 1.9rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  font-weight: 600;
}

.section-heading h2 {
  font-size: 1.9rem;
  margin: 10px 0 6px;
}

.section-subtitle {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.highlights {
  padding: 40px 0 80px;
}

.highlight-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.highlight-card {
  background-color: var(--bg-elevated);
  border-radius: var(--radius-medium);
  padding: 20px 20px 22px;
  box-shadow: 0 16px 35px rgba(15, 23, 42, 0.06);
  border: 1px solid rgba(226, 232, 240, 0.9);
}

.highlight-card h3 {
  margin-top: 0;
  margin-bottom: 6px;
  font-size: 1.05rem;
}

.highlight-card p {
  margin: 0;
  font-size: 0.92rem;
  color: var(--text-muted);
}

.features {
  padding: 40px 0 80px;
}

.feature-strips {
  display: flex;
  flex-direction: column;
  gap: 40px;
  max-width: 1040px;
  margin: 0 auto;
}

.feature-strip {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.feature-strip-shell {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.feature-strip-viewport {
  position: relative;
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  padding-inline: 24px;
  cursor: grab;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.feature-strip-viewport::-webkit-scrollbar {
  display: none;
  width: 0;
  height: 0;
}

.feature-strip-viewport.dragging {
  cursor: grabbing;
}

.feature-strip-track {
  display: flex;
  gap: 20px;
  scroll-snap-type: x mandatory;
}

.feature-slide {
  scroll-snap-align: center;
  transition: transform 0.3s ease, opacity 0.3s ease;
  opacity: 0.6;
  transform: scale(0.95);
}

.feature-strip[data-device="iphone"] .feature-slide {
  flex: 0 0 clamp(320px, 40vw, 520px);
  max-width: clamp(320px, 40vw, 520px);
}

.feature-strip[data-device="ipad"] .feature-slide {
  flex: 0 0 clamp(520px, 60vw, 860px);
  max-width: clamp(520px, 60vw, 860px);
}

.feature-slide .image-card {
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.06);
}

.feature-slide.active {
  opacity: 1;
  transform: scale(1);
}

.feature-strip-meta {
  text-align: center;
  min-height: 44px;
}

.feature-strip-title {
  margin: 0 0 4px;
  font-size: 1rem;
}

.feature-strip-desc {
  margin: 0;
  font-size: 0.92rem;
  color: var(--text-muted);
}

.feature-spacer {
  flex: 0 0 0;
}

.feature-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 52px;
  height: 52px;
  border-radius: 999px;
  border: none;
  background-color: rgba(15, 23, 42, 0.5);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  cursor: pointer;
  z-index: 2;
  transition: background-color 0.2s ease, transform 0.2s ease, opacity 0.2s ease;
}

.feature-arrow-prev {
  left: 20px;
}

.feature-arrow-next {
  right: 20px;
}

.feature-arrow::before {
  display: block;
}

.feature-arrow-prev::before {
  content: "‹";
}

.feature-arrow-next::before {
  content: "›";
}

.feature-arrow:hover:not([disabled]) {
  background-color: rgba(15, 23, 42, 0.7);
  transform: translateY(-50%) scale(1.03);
}

.feature-arrow[disabled] {
  opacity: 0.3;
  cursor: default;
  background-color: rgba(15, 23, 42, 0.3);
}

@media (max-width: 960px) {
  .feature-strip-viewport {
    padding-inline: 16px;
  }
}

.for-who {
  padding: 40px 0 80px;
}

.for-who-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.for-who-card {
  background-color: var(--bg-elevated);
  border-radius: var(--radius-medium);
  padding: 22px 20px;
  border: 1px solid rgba(226, 232, 240, 0.9);
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.05);
}

.for-who-card h3 {
  margin-top: 0;
  margin-bottom: 6px;
  font-size: 1.05rem;
}

.for-who-card p {
  margin: 0;
  font-size: 0.92rem;
  color: var(--text-muted);
}

.faq {
  padding: 40px 0 80px;
}

.faq-list {
  max-width: 720px;
  margin: 0 auto;
}

.faq-item {
  border-radius: 18px;
  background-color: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  margin-bottom: 10px;
  overflow: hidden;
}

.faq-question {
  width: 100%;
  padding: 14px 18px;
  border: none;
  background: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  font-size: 0.98rem;
}

.faq-icon {
  font-size: 1.2rem;
  color: var(--text-muted);
  transition: transform 0.2s ease;
}

.faq-item.open .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  padding-inline: 18px;
  transition: max-height 0.24s ease, padding-top 0.24s ease, padding-bottom 0.24s ease;
}

.faq-answer p {
  margin: 0 0 16px;
  font-size: 0.92rem;
  color: var(--text-muted);
}

.faq-item.open .faq-answer {
  padding-top: 0;
  padding-bottom: 10px;
}

.site-footer {
  border-top: 1px solid rgba(226, 232, 240, 0.9);
  padding: 20px min(6vw, 72px) 24px;
  background-color: #ffffff;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 14px;
}

.footer-links a {
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.content {
  padding-top: calc(var(--nav-height) + 32px);
  padding-bottom: 72px;
}

.sub-hero {
  padding-top: calc(var(--nav-height) + 32px);
  padding-bottom: 40px;
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
}

.sub-hero h1 {
  font-size: 2rem;
  margin-bottom: 6px;
}

.text-section {
  max-width: 720px;
  margin: 0 auto 40px;
  background-color: #ffffff;
  border-radius: var(--radius-medium);
  padding: 22px 22px 26px;
  border: 1px solid rgba(226, 232, 240, 0.9);
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.04);
}

.text-section h2 {
  margin-top: 0;
  margin-bottom: 8px;
  font-size: 1.1rem;
}

.text-section p {
  margin: 0;
  font-size: 0.94rem;
  color: var(--text-muted);
}

.support-block {
  max-width: 720px;
  margin: 0 auto 40px;
  background-color: #ffffff;
  border-radius: var(--radius-medium);
  padding: 22px 22px 26px;
  border: 1px solid rgba(226, 232, 240, 0.9);
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.04);
}

.support-block h2 {
  margin-top: 0;
  margin-bottom: 8px;
  font-size: 1.1rem;
}

.support-block p {
  margin: 0 0 10px;
  font-size: 0.94rem;
  color: var(--text-muted);
}

.support-email {
  display: inline-block;
  font-size: 0.94rem;
  color: var(--accent);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.modal-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(15, 23, 42, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease, visibility 0.2s ease;
  z-index: 50;
}

.modal-overlay.open {
  opacity: 1;
  visibility: visible;
}

.modal-dialog {
  background-color: #ffffff;
  border-radius: 20px;
  padding: 22px 24px 24px;
  width: min(520px, 92vw);
  box-shadow: 0 28px 80px rgba(15, 23, 42, 0.4);
  position: relative;
}

.modal-close {
  position: absolute;
  top: 10px;
  right: 10px;
  border: none;
  background: none;
  font-size: 1.3rem;
  cursor: pointer;
  color: var(--text-muted);
}

.modal-body h2 {
  margin-top: 8px;
  margin-bottom: 8px;
}

.modal-body p {
  margin-top: 0;
  margin-bottom: 18px;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.demo-placeholder {
  border-radius: 18px;
  border: 1px dashed var(--border-subtle);
  padding: 40px 18px;
  text-align: center;
  background-color: var(--bg-soft);
  font-size: 0.93rem;
  color: var(--text-muted);
}

.fade-section {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-section.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 768px) {
  .hero {
    padding-bottom: 60px;
  }

  .hero-media {
    max-width: 100%;
  }

  .highlight-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .feature-row {
    grid-template-columns: minmax(0, 1fr);
  }

  .feature-row.alternate .feature-text,
  .feature-row.alternate .feature-media {
    order: initial;
  }

  .for-who-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .nav-center {
    display: none;
  }

  .site-header,
  main {
    padding-inline: 16px;
  }

  .hero {
    padding-top: calc(var(--nav-height) + 24px);
  }

  .content,
  .sub-hero {
    padding-top: calc(var(--nav-height) + 24px);
  }
}

@media (max-width: 640px) {
  .site-logo {
    font-size: 1.35rem;
  }

  .hero-title {
    font-size: 2rem;
  }

  .site-footer {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-links {
    flex-wrap: wrap;
  }

  .footer-separator {
    display: none;
  }

  .footer-icp {
    flex-basis: 100%;
    margin-top: 6px;
  }
}