/* ===== Lia — Design Tokens ===== */
:root {
  --color-primary: #12A8D8;
  --color-primary-dark: #0B87B0;
  --color-primary-light: #E4F6FC;
  --color-cream: #FAF6EE;
  --color-cream-soft: #F3EDE1;
  --color-ink: #1E2530;
  --color-ink-soft: #5B6472;
  --color-white: #FFFFFF;
  --color-border: #E7E1D4;
  --color-success-bg: #E6F8EE;
  --color-success-text: #1B8A4C;
  --color-soon-bg: #FDF3E3;
  --color-soon-text: #B5760C;

  --font-heading: 'Poppins', 'Segoe UI', sans-serif;
  --font-body: 'Inter', 'Segoe UI', sans-serif;

  --radius-md: 12px;
  --radius-lg: 20px;
  --shadow-card: 0 4px 16px rgba(30, 37, 48, 0.06);
  --shadow-card-hover: 0 12px 28px rgba(30, 37, 48, 0.10);
  --max-width: 1160px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--color-ink);
  background: var(--color-cream);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

ul { list-style: none; }

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.25;
  color: var(--color-ink);
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

section { padding: 88px 0; }

.section-eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-primary-dark);
  background: var(--color-primary-light);
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  margin-bottom: 12px;
}

.section-subtitle {
  color: var(--color-ink-soft);
  font-size: 1.05rem;
  max-width: 640px;
  margin-bottom: 48px;
}

.section-head { margin-bottom: 48px; }

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.98rem;
  padding: 14px 26px;
  border-radius: 100px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-white);
}
.btn-primary:hover { background: var(--color-primary-dark); transform: translateY(-1px); box-shadow: var(--shadow-card-hover); }

.btn-ghost {
  background: transparent;
  border-color: var(--color-border);
  color: var(--color-ink);
}
.btn-ghost:hover { border-color: var(--color-primary); color: var(--color-primary-dark); }

.btn-block { width: 100%; }
.btn-sm { padding: 10px 20px; font-size: 0.9rem; }

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(250, 246, 238, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--color-ink);
}

.logo-mark {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: linear-gradient(135deg, #37C9F0, var(--color-primary-dark));
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  font-weight: 700;
  overflow: hidden;
}
.logo-mark img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-ink-soft);
}
.nav-links a:hover { color: var(--color-primary-dark); }

.nav-actions { display: flex; align-items: center; gap: 20px; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav-toggle span { width: 24px; height: 2px; background: var(--color-ink); border-radius: 2px; }

/* ===== Hero ===== */
.hero {
  padding: 72px 0 96px;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: center;
}
.hero h1 {
  font-size: clamp(2.2rem, 4.5vw, 3.4rem);
  margin-bottom: 20px;
}
.hero h1 .accent { color: var(--color-primary-dark); }
.hero p {
  font-size: 1.1rem;
  color: var(--color-ink-soft);
  max-width: 540px;
  margin-bottom: 32px;
}
.hero-ctas { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 28px; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-success-text);
  background: var(--color-success-bg);
  padding: 8px 16px;
  border-radius: 100px;
  margin-bottom: 24px;
}
.hero-badge .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--color-success-text);
}

.hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}
.avatar-ring {
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: linear-gradient(145deg, #56D6F5, var(--color-primary-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-card-hover);
  position: relative;
  overflow: hidden;
}
.avatar-ring::before {
  content: "";
  position: absolute;
  inset: -14px;
  border-radius: 50%;
  border: 2px dashed rgba(18, 168, 216, 0.35);
}
.avatar-ring span {
  font-family: var(--font-heading);
  font-size: 5.5rem;
  font-weight: 700;
  color: var(--color-white);
}
.avatar-ring img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ===== Persona section ===== */
.persona-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 56px;
  align-items: center;
}
.persona-photo img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: top center;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card-hover);
}
.persona-text p {
  color: var(--color-ink-soft);
  font-size: 1.05rem;
  max-width: 520px;
}
.persona-text h2 { margin-bottom: 16px; }

/* ===== Cards / grids ===== */
.grid {
  display: grid;
  gap: 28px;
}
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(2, 1fr); }

.card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-card);
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}
.card:hover { box-shadow: var(--shadow-card-hover); transform: translateY(-2px); }

.badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 100px;
  margin-bottom: 14px;
}
.badge-live { background: var(--color-success-bg); color: var(--color-success-text); }
.badge-soon { background: var(--color-soon-bg); color: var(--color-soon-text); }

.solution-card h3 { font-size: 1.25rem; margin-bottom: 10px; }
.solution-card p { color: var(--color-ink-soft); font-size: 0.95rem; margin-bottom: 18px; }
.solution-card .tag { font-size: 0.8rem; color: var(--color-primary-dark); font-weight: 600; margin-bottom: 8px; display: block; }
.solution-card ul { margin-bottom: 20px; }
.solution-card ul li {
  font-size: 0.9rem;
  color: var(--color-ink-soft);
  padding-left: 20px;
  position: relative;
  margin-bottom: 6px;
}
.solution-card ul li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: 700;
}

/* Feature / ai-module cards */
.feature-card { text-align: left; }
.feature-icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 16px;
}
.feature-card h3 { font-size: 1.05rem; margin-bottom: 8px; }
.feature-card p { font-size: 0.9rem; color: var(--color-ink-soft); }

/* Why-us list */
.why-grid { grid-template-columns: repeat(2, 1fr); }
.why-item { padding: 8px; }
.why-item h3 { font-size: 1.05rem; margin-bottom: 8px; }
.why-item p { font-size: 0.9rem; color: var(--color-ink-soft); }

/* ===== Pricing ===== */
.pricing-grid {
  grid-template-columns: repeat(2, 1fr);
  align-items: stretch;
}
.price-card {
  display: flex;
  flex-direction: column;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-card);
  position: relative;
}
.price-card.recommended {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light), var(--shadow-card-hover);
}
.price-card .recommended-tag {
  position: absolute;
  top: -14px;
  left: 32px;
  background: var(--color-primary);
  color: var(--color-white);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: 100px;
}
.price-card h3 { font-size: 1.3rem; margin-bottom: 6px; }
.price-card .price-for { font-size: 0.9rem; color: var(--color-ink-soft); margin-bottom: 20px; }
.price-card .price {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin-bottom: 4px;
}
.price-card .price .value {
  font-family: var(--font-heading);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--color-ink);
}
.price-card .price .value small { font-size: 1.1rem; font-weight: 600; }
.price-card .price .period { color: var(--color-ink-soft); font-size: 0.95rem; }
.price-card .price-from { font-size: 0.85rem; color: var(--color-ink-soft); margin-bottom: 24px; }
.price-card .trial-note {
  font-size: 0.85rem;
  color: var(--color-success-text);
  font-weight: 600;
  margin-bottom: 24px;
}
.price-card ul { flex: 1; margin-bottom: 28px; }
.price-card ul li {
  font-size: 0.92rem;
  padding: 8px 0 8px 26px;
  position: relative;
  border-bottom: 1px solid var(--color-cream-soft);
}
.price-card ul li:last-child { border-bottom: none; }
.price-card ul li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: 700;
}
.price-card ul li.addon { color: var(--color-ink-soft); }

.pricing-help {
  margin-top: 32px;
  padding: 20px 24px;
  background: var(--color-primary-light);
  border-radius: var(--radius-md);
  font-size: 0.92rem;
  color: var(--color-ink);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

/* ===== Screenshot gallery ===== */
.screenshot-gallery { grid-template-columns: repeat(2, 1fr); }
.screenshot-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}
.screenshot-card-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  background: var(--color-cream-soft);
  border-bottom: 1px solid var(--color-border);
}
.screenshot-card-bar span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
}
.screenshot-card-bar span:nth-child(1) { background: #FF5F57; }
.screenshot-card-bar span:nth-child(2) { background: #FEBC2E; }
.screenshot-card-bar span:nth-child(3) { background: #28C840; }
.screenshot-card img { width: 100%; display: block; aspect-ratio: 2298 / 1625; object-fit: cover; }
.screenshot-card figcaption {
  padding: 16px 20px;
  font-size: 0.9rem;
  color: var(--color-ink-soft);
  text-align: center;
  border-top: 1px solid var(--color-cream-soft);
}

/* ===== Specialty badges ===== */
.specialty-row { display: flex; gap: 14px; flex-wrap: wrap; }
.specialty-pill {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  padding: 10px 20px;
  border-radius: 100px;
  font-size: 0.92rem;
  font-weight: 600;
}

/* ===== FAQ ===== */
.faq-item {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: 14px;
  overflow: hidden;
}
.faq-item summary {
  cursor: pointer;
  padding: 20px 24px;
  font-weight: 600;
  font-family: var(--font-heading);
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  font-size: 1.3rem;
  color: var(--color-primary);
  font-weight: 400;
}
.faq-item[open] summary::after { content: "–"; }
.faq-item p {
  padding: 0 24px 20px;
  color: var(--color-ink-soft);
  font-size: 0.95rem;
}

/* ===== Breadcrumb ===== */
.breadcrumb {
  font-size: 0.88rem;
  color: var(--color-ink-soft);
  padding: 24px 0 0;
}
.breadcrumb a { color: var(--color-primary-dark); font-weight: 600; }

/* ===== CTA band ===== */
.cta-band {
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
  border-radius: var(--radius-lg);
  padding: 56px;
  text-align: center;
  color: var(--color-white);
}
.cta-band h2 { color: var(--color-white); margin-bottom: 12px; }
.cta-band p { color: rgba(255,255,255,0.9); margin-bottom: 28px; }
.cta-band .btn-primary { background: var(--color-white); color: var(--color-primary-dark); }
.cta-band .btn-primary:hover { background: var(--color-cream); }

/* ===== Footer ===== */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 56px 0 32px;
  background: var(--color-cream-soft);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-brand p { color: var(--color-ink-soft); font-size: 0.92rem; margin-top: 12px; max-width: 320px; }
.footer-col h4 { font-size: 0.9rem; margin-bottom: 16px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { color: var(--color-ink-soft); font-size: 0.92rem; }
.footer-col ul li a:hover { color: var(--color-primary-dark); }
.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding-top: 24px;
  font-size: 0.85rem;
  color: var(--color-ink-soft);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

/* ===== Whatsapp floating button ===== */
.wa-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 60;
  background: #25D366;
  color: var(--color-white);
  width: 58px;
  height: 58px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 20px rgba(37, 211, 102, 0.4);
  font-size: 1.6rem;
  transition: transform 0.15s ease;
}
.wa-float:hover { transform: scale(1.08); }

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { order: -1; }
  .avatar-ring { width: 220px; height: 220px; }
  .avatar-ring span { font-size: 3.6rem; }
  .persona-grid { grid-template-columns: 1fr; }
  .persona-photo img { max-width: 320px; margin: 0 auto; }
  .screenshot-gallery { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3, .why-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  .nav-actions .btn { display: none; }
}

@media (max-width: 900px) {
  body.nav-open .nav-links {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: var(--color-white);
    padding: 24px;
    border-bottom: 1px solid var(--color-border);
    gap: 18px;
  }
  body.nav-open .nav-actions .btn { display: inline-flex; }
}

@media (max-width: 600px) {
  section { padding: 64px 0; }
  .grid-4, .grid-3, .why-grid { grid-template-columns: 1fr; }
  .cta-band { padding: 36px 24px; }
}