:root {
  --bg: #FAFAFC;
  --panel: #ffffff;
  --panel-soft: #f8f7fb;
  --text: #111111;
  --muted: #5f6368;
  --border: rgba(17, 17, 17, 0.08);
  --primary: #381E64;
  --accent: #EAE6F0;
  --accent-strong: #2c1654;
  --shadow: 0 16px 40px rgba(56, 30, 100, 0.04);
  --radius-xl: 28px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --container: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(56, 30, 100, 0.06), transparent 32%),
    radial-gradient(circle at top right, rgba(56, 30, 100, 0.02), transparent 24%),
    var(--bg);
}

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

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

button,
a {
  -webkit-tap-highlight-color: transparent;
}

.container {
  width: min(calc(100% - 32px), var(--container));
  margin: 0 auto;
}

.section {
  padding: 72px 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(18px);
  background: rgba(245, 245, 242, 0.84);
  border-bottom: 1px solid rgba(17, 17, 17, 0.06);
}

.header-inner {
  min-height: 84px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.brand-logo {
  height: 44px;
  width: auto;
  object-fit: contain;
}

.hero-brand-logo {
  max-width: 280px;
  width: 100%;
  height: auto;
  object-fit: contain;
  margin-bottom: 24px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  color: var(--muted);
}

.card-surface {
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(17, 17, 17, 0.08);
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}

.site-nav a:hover {
  color: var(--text);
}

.footer-links a:hover {
  color: #fff;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.lang-switch {
  display: inline-flex;
  padding: 4px;
  border-radius: 999px;
  background: rgba(17, 17, 17, 0.04);
  border: 1px solid rgba(17, 17, 17, 0.06);
}

.lang-btn {
  border: 0;
  background: transparent;
  color: var(--muted);
  border-radius: 999px;
  padding: 9px 14px;
  font: inherit;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  cursor: pointer;
}

.lang-btn.is-active {
  background: var(--panel);
  color: var(--text);
  box-shadow: 0 5px 16px rgba(17, 17, 17, 0.08);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--border);
  background: var(--panel);
  border-radius: 14px;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  padding: 0 11px;
}

.nav-toggle span {
  display: block;
  height: 2px;
  border-radius: 999px;
  background: var(--text);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 24px;
  border-radius: 999px;
  font-weight: 700;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 8px 24px rgba(56, 30, 100, 0.15);
}

.btn-primary:hover {
  background: var(--accent-strong);
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(56, 30, 100, 0.25);
}

.btn-secondary {
  background: var(--panel);
  border: 1px solid var(--border);
}

.btn-white {
  background: #fff;
  color: var(--primary);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.15);
}

.btn-white:hover {
  background: var(--panel-soft);
  color: var(--accent-strong);
  transform: translateY(-2px);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.2);
}

.btn-large {
  min-height: 54px;
  padding: 0 32px;
  font-size: 1.05rem;
}

.hero {
  padding-top: 48px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 38px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.76rem;
  font-weight: 800;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  font-size: clamp(2.8rem, 6vw, 5.4rem);
  line-height: 0.96;
  letter-spacing: -0.05em;
  margin-bottom: 18px;
}

h2 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1;
  letter-spacing: -0.04em;
  margin-bottom: 14px;
}

.lead {
  font-size: 1.1rem;
  line-height: 1.7;
  max-width: 58ch;
  color: var(--muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 28px 0 18px;
}

.hero-trust-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin: 18px 0 24px;
}

.hero-trust-badges span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--muted);
  font-weight: 500;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.hero-badges span,
.video-badge,
.trust-note {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(17, 17, 17, 0.06);
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 600;
}

.hero-visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.demo-chat-ui {
  width: min(100%, 460px);
  padding: 28px;
  border-radius: 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin: 0 auto;
}

.compact-chat {
  padding: 20px;
  max-width: 420px;
}

.compact-chat .chat-bubble {
  padding: 14px 18px;
  font-size: 0.95rem;
}

.chat-bubble {
  position: relative;
  max-width: 85%;
  padding: 16px 20px;
  border-radius: 20px;
  font-size: 1rem;
  line-height: 1.5;
  box-shadow: 0 4px 14px rgba(17, 17, 17, 0.04);
}

.lang-tag {
  display: block;
  font-size: 0.65rem;
  font-weight: 800;
  color: rgba(56, 30, 100, 0.5);
  margin-bottom: 4px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.chat-bubble.translated .lang-tag {
  color: rgba(255, 255, 255, 0.7);
}

.chat-bubble.incoming {
  background: #fff;
  color: var(--text);
  border-bottom-left-radius: 4px;
  align-self: flex-start;
  border: 1px solid rgba(17, 17, 17, 0.04);
}

.chat-bubble.translated {
  background: var(--primary);
  color: #fff;
  border-bottom-right-radius: 4px;
  align-self: flex-end;
  box-shadow: 0 12px 32px rgba(56, 30, 100, 0.15);
}

.chat-action-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: var(--accent);
  color: var(--primary);
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 700;
  align-self: center;
  margin: 4px 0;
}

.section-heading {
  margin-bottom: 26px;
  max-width: 68ch;
}

.section-heading.compact {
  margin-bottom: 0;
}

.card-grid {
  display: grid;
  gap: 18px;
}

.features-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.tone-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.usecase-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.banner-grid {
  grid-template-columns: 1.3fr 1fr 1fr;
}

.feature-card,
.tone-card,
.usecase-card,
.banner-card,
.trust-card,
.video-placeholder,
.privacy-panel,
.founder-card,
.page-shell,
.placeholder-box,
.faq-item {
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(17, 17, 17, 0.08);
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}

.feature-card,
.tone-card,
.usecase-card,
.banner-card {
  border-radius: var(--radius-lg);
  padding: 22px;
}

.feature-card h3,
.tone-card .tone-label,
.usecase-card h3 {
  font-size: 1.02rem;
  margin-bottom: 10px;
}

.feature-card p,
.tone-card p,
.usecase-card p,
.banner-card p {
  color: var(--muted);
  line-height: 1.6;
  margin-bottom: 0;
}

.text-center {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

.split-section {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 18px;
  align-items: stretch;
}

.video-placeholder {
  border-radius: var(--radius-xl);
  padding: 18px;
}

.video-frame {
  min-height: 320px;
  border-radius: 22px;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 16px;
  text-align: center;
  background:
    radial-gradient(circle at top, rgba(56, 30, 100, 0.05), transparent 40%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(250, 250, 252, 0.98));
  border: 1px dashed rgba(56, 30, 100, 0.1);
  padding: 24px;
}

.video-frame p {
  max-width: 42ch;
  color: var(--muted);
  margin-bottom: 0;
}

.usecase-card {
  border-radius: 24px;
}

.banner-card {
  display: grid;
  grid-template-columns: 84px 1fr;
  gap: 16px;
  align-items: center;
}

.banner-card-large {
  grid-column: span 1;
}

.banner-placeholder {
  width: 84px;
  height: 84px;
  border-radius: 20px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, rgba(56, 30, 100, 0.04), rgba(56, 30, 100, 0.1));
  color: var(--primary);
  font-size: 1.8rem;
  font-weight: 800;
}

.trust-card {
  border-radius: var(--radius-xl);
  padding: 28px;
  max-width: 720px;
}

.rating-placeholder {
  display: flex;
  gap: 8px;
  margin-bottom: 18px;
}

.rating-placeholder span {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: rgba(17, 17, 17, 0.12);
}

.trust-card p {
  color: var(--muted);
  line-height: 1.7;
}

.faq-list {
  display: grid;
  gap: 14px;
}

.faq-item {
  border-radius: 20px;
  padding: 0;
  overflow: hidden;
}

.faq-item summary {
  cursor: pointer;
  list-style: none;
  padding: 20px 22px;
  font-weight: 700;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item p {
  padding: 0 22px 22px;
  color: var(--muted);
  line-height: 1.65;
  margin-bottom: 0;
}

.privacy-panel,
.founder-card,
.page-shell {
  border-radius: var(--radius-xl);
  padding: 28px;
}

.why-loveboard-section {
  padding-top: 44px;
}

.why-loveboard-shell {
  width: min(100%, 900px);
  margin: 0 auto;
  padding: 40px 36px;
  border-radius: 32px;
  background:
    radial-gradient(circle at top, rgba(255, 255, 255, 0.1), transparent 42%),
    linear-gradient(180deg, rgba(44, 22, 84, 0.96), rgba(32, 16, 62, 0.98));
  box-shadow: 0 24px 58px rgba(44, 22, 84, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.why-loveboard-shell .eyebrow,
.why-loveboard-title,
.why-loveboard-subtitle,
.why-loveboard-copy p,
.why-loveboard-manifesto p {
  color: #fff;
}

.why-loveboard-title {
  max-width: 12ch;
  margin: 0 auto 18px;
}

.why-loveboard-subtitle {
  max-width: 24ch;
  margin: 0 auto;
  font-size: clamp(1.2rem, 3vw, 1.7rem);
  line-height: 1.2;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.9);
}

.why-loveboard-copy {
  max-width: 660px;
  margin: 34px auto 0;
  display: grid;
  gap: 18px;
}

.why-loveboard-copy p {
  margin-bottom: 0;
  font-size: 1.02rem;
  line-height: 1.85;
  color: rgba(255, 255, 255, 0.76);
}

.why-loveboard-manifesto {
  max-width: 720px;
  margin: 36px auto 0;
  padding-top: 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  text-align: center;
}

.why-loveboard-manifesto p {
  margin-bottom: 0;
  font-size: clamp(1.7rem, 4vw, 2.6rem);
  line-height: 1.08;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.why-loveboard-manifesto p + p {
  margin-top: 8px;
  color: #f3e7ff;
}

.translation-comparison-section {
  padding-top: 8px;
}

.supported-languages-section {
  padding-top: 8px;
}

.supported-languages-shell {
  padding: 34px 30px;
  border-radius: 32px;
  background:
    radial-gradient(circle at top left, rgba(56, 30, 100, 0.08), transparent 36%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.9), rgba(248, 247, 251, 0.92));
}

.supported-languages-heading {
  max-width: 780px;
  margin: 0 auto 28px;
  text-align: center;
}

.supported-languages-lead {
  margin: 0 auto;
  max-width: 42ch;
}

.language-pill-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
  max-width: 920px;
  margin: 0 auto;
}

.language-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 146px;
  padding: 16px 20px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(56, 30, 100, 0.1);
  box-shadow: 0 14px 30px rgba(56, 30, 100, 0.08);
  color: var(--accent-strong);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.supported-languages-badge {
  width: fit-content;
  margin: 26px auto 0;
  padding: 10px 18px;
  border-radius: 999px;
  background: var(--primary);
  color: #fff;
  font-size: 0.9rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  box-shadow: 0 14px 30px rgba(56, 30, 100, 0.18);
}

.supported-languages-note {
  max-width: 760px;
  margin: 18px auto 0;
  text-align: center;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.75;
}

.comparison-heading {
  max-width: 760px;
  margin-bottom: 36px;
}

.comparison-lead {
  max-width: 34ch;
  margin: 0 auto;
}

.comparison-stack {
  display: grid;
  gap: 18px;
}

.comparison-card {
  border-radius: 28px;
  padding: 24px;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.comparison-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 22px 48px rgba(56, 30, 100, 0.12);
  border-color: rgba(56, 30, 100, 0.16);
}

.comparison-original-label,
.comparison-pane-label {
  margin-bottom: 10px;
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.comparison-original-label {
  color: var(--primary);
}

.comparison-original-text {
  margin-bottom: 20px;
  font-size: 1.3rem;
  line-height: 1.25;
  font-weight: 700;
}

.comparison-columns {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: 16px;
}

.comparison-pane {
  min-width: 0;
  border-radius: 24px;
  padding: 20px;
}

.comparison-pane-regular {
  background: rgba(17, 17, 17, 0.04);
  border: 1px solid rgba(17, 17, 17, 0.08);
}

.comparison-pane-regular .comparison-pane-label {
  color: var(--muted);
}

.comparison-pane-regular .comparison-pane-text {
  color: #3b3f45;
}

.comparison-pane-loveboard {
  background:
    radial-gradient(circle at top left, rgba(83, 208, 122, 0.2), transparent 34%),
    linear-gradient(180deg, rgba(56, 30, 100, 0.96), rgba(42, 22, 78, 0.98));
  border: 1px solid rgba(83, 208, 122, 0.28);
  box-shadow: 0 16px 34px rgba(56, 30, 100, 0.16);
}

.comparison-pane-loveboard .comparison-pane-label {
  color: rgba(214, 255, 226, 0.8);
}

.comparison-pane-loveboard .comparison-pane-text {
  color: #fff;
}

.comparison-pane-loveboard .comparison-pane-label::before {
  content: "✓";
  display: inline-block;
  margin-right: 8px;
  color: #8df0a9;
}

.comparison-pane-text {
  margin-bottom: 0;
  font-size: 1rem;
  line-height: 1.7;
  font-weight: 600;
}

.privacy-panel {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 18px;
}

.privacy-panel p,
.founder-card p,
.page-shell p {
  color: var(--muted);
  line-height: 1.7;
}

.page-shell {
  max-width: 860px;
}

.placeholder-box {
  margin-top: 24px;
  padding: 20px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.76);
}

.bottom-cta-section {
  background: var(--primary);
  color: #fff;
  padding: 80px 0;
  text-align: center;
}

.bottom-cta-section h2 {
  color: #fff;
  margin-bottom: 24px;
}

.bottom-cta-section .lead {
  color: rgba(255, 255, 255, 0.8);
  margin: 0 auto 36px;
  max-width: 50ch;
}

.site-footer {
  padding: 44px 0 54px;
  background: var(--primary);
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: center;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: rgba(255, 255, 255, 0.9);
  font-weight: 700;
  font-size: 1rem;
}

.footer-logo {
  height: 36px;
  width: auto;
  object-fit: contain;
}

.footer-grid p {
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 0;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 18px;
  justify-content: flex-end;
  color: rgba(255, 255, 255, 0.6);
}

@media (max-width: 1080px) {
  .site-nav {
    display: none;
  }

  .site-nav.is-open {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
    position: absolute;
    top: calc(100% - 8px);
    left: 16px;
    right: 16px;
    padding: 16px;
    border-radius: 20px;
    background: rgba(245, 245, 242, 0.98);
    border: 1px solid rgba(17, 17, 17, 0.08);
    box-shadow: 0 20px 50px rgba(17, 17, 17, 0.12);
  }

  .nav-toggle {
    display: inline-flex;
  }

  .hero-grid,
  .split-section,
  .privacy-panel,
  .footer-grid {
    grid-template-columns: 1fr;
    flex-direction: column;
  }

  .privacy-panel,
  .footer-grid {
    align-items: flex-start;
  }

  .features-grid,
  .usecase-grid,
  .banner-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .tone-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .banner-card-large {
    grid-column: span 2;
  }

  .brand-logo {
    height: 40px;
  }

  .hero-brand-logo {
    max-width: 260px;
  }
}

@media (max-width: 720px) {
  .section {
    padding: 56px 0;
  }

  .header-inner {
    min-height: 76px;
    flex-wrap: wrap;
    position: relative;
  }

  .header-actions {
    width: 100%;
    justify-content: space-between;
  }

  .lang-switch {
    flex: 0 0 auto;
  }

  .hero {
    padding-top: 30px;
  }

  h1 {
    font-size: clamp(2.45rem, 12vw, 4.2rem);
  }

  .features-grid,
  .tone-grid,
  .usecase-grid,
  .banner-grid {
    grid-template-columns: 1fr;
  }

  .banner-card-large {
    grid-column: auto;
  }

  .phone-shell {
    width: 100%;
  }

  .phone-screen {
    min-height: 480px;
  }

  .privacy-panel,
  .founder-card,
  .trust-card,
  .video-placeholder,
  .why-loveboard-shell,
  .supported-languages-shell {
    padding: 20px;
  }

  .why-loveboard-section {
    padding-top: 24px;
  }

  .why-loveboard-copy {
    margin-top: 28px;
    gap: 16px;
  }

  .why-loveboard-copy p {
    font-size: 0.98rem;
    line-height: 1.75;
  }

  .why-loveboard-manifesto {
    margin-top: 28px;
    padding-top: 22px;
  }

  .why-loveboard-manifesto p {
    font-size: clamp(1.45rem, 8vw, 2rem);
  }

  .comparison-card {
    padding: 20px;
  }

  .comparison-original-text {
    font-size: 1.15rem;
  }

  .comparison-columns {
    grid-template-columns: 1fr;
  }

  .comparison-pane {
    padding: 18px;
  }

  .language-pill-grid {
    gap: 12px;
  }

  .language-pill {
    width: 100%;
    min-width: 0;
    padding: 14px 16px;
    font-size: 0.98rem;
  }

  .supported-languages-badge {
    margin-top: 22px;
    font-size: 0.82rem;
    letter-spacing: 0.06em;
    text-align: center;
  }

  .supported-languages-note {
    font-size: 0.96rem;
    line-height: 1.7;
  }

  .footer-links {
    justify-content: flex-start;
  }

  .brand-logo {
    height: 34px;
  }
  
  .hero-brand-logo {
    max-width: 220px;
  }
}