:root {
  --bg: #f7f9fc;
  --surface: #ffffff;
  --surface-2: #eef4ff;
  --text: #122033;
  --muted: #64748b;
  --line: #dbe4ef;
  --primary: #2563eb;
  --primary-2: #06b6d4;
  --green: #16a34a;
  --shadow: 0 24px 70px rgba(15, 23, 42, .12);
  --radius: 24px;
}

html[data-theme="dark"] {
  --bg: #23221e;
  --surface: #2d2c28;
  --surface-2: #1f1e1b;
  --text: #f3f4f6;
  --muted: #a1a09a;
  --line: rgba(255,255,255,.09);
  --shadow: 0 24px 70px rgba(0,0,0,.45);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(37,99,235,.14), transparent 34rem),
    radial-gradient(circle at top right, rgba(6,182,212,.12), transparent 30rem),
    var(--bg);
  color: var(--text);
}

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

.container {
  width: min(1180px, calc(100% - 32px));
  margin: auto;
}

/* HEADER */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.96) !important;
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--line) !important;
}

.site-header a, 
.site-header .nav-menu a,
.site-header .theme-toggle i {
  color: var(--text) !important;
}

.site-header a:hover, 
.site-header .nav-menu a:hover {
  color: var(--primary) !important;
}

html[data-theme="dark"] .site-header {
  background: rgba(35, 34, 30, 0.96) !important;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1) !important;
}

html[data-theme="dark"] .site-header a, 
html[data-theme="dark"] .site-header .nav-menu a,
html[data-theme="dark"] .site-header .theme-toggle i {
  color: #e2e8f0 !important;
}

html[data-theme="dark"] .site-header a:hover, 
html[data-theme="dark"] .site-header .nav-menu a:hover {
  color: #3b82f6 !important;
}

/* THEME-SPECIFIC LOGO FILTER FOR SINGLE TRANSPARENT LOGO */
.brand-logo {
  filter: brightness(0.1) contrast(1.2) !important;
}

html[data-theme="dark"] .brand-logo {
  filter: none !important;
}

.nav-wrap {
  min-height: 76px;
  display: flex;
  align-items: center;
  gap: 24px;
}

/* BRAND FIX */
.brand,
.brand-combo {
  display: flex !important;
  align-items: center !important;
  gap: 14px !important;
  text-decoration: none !important;
  flex: 0 0 auto;
  min-width: 0;
}

.brand > span {
  display: none !important;
}

.logo-light,
.logo-dark {
  display: none !important;
}

.brand-icon {
  width: 64px !important;
  height: 64px !important;
  object-fit: contain !important;
  flex: 0 0 64px !important;
  display: block !important;
}

.brand-text {
  display: flex !important;
  flex-direction: column !important;
  line-height: 1.05 !important;
  justify-content: center !important;
}

.brand-title {
  display: block !important;
  font-size: 20px !important;
  font-weight: 900 !important;
  color: var(--text) !important;
  letter-spacing: -.5px !important;
  white-space: nowrap !important;
}

.brand-subtitle {
  display: block !important;
  margin-top: 5px !important;
  font-size: 12px !important;
  font-weight: 800 !important;
  letter-spacing: 5px !important;
  color: var(--primary) !important;
}

html[data-theme="dark"] .brand-title {
  color: #ffffff !important;
}

html[data-theme="dark"] .brand-subtitle {
  color: #67e8f9 !important;
}

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

.theme-toggle,
.nav-toggle {
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text);
  width: 46px;
  height: 46px;
  border-radius: 15px;
  cursor: pointer;
  display: inline-grid;
  place-items: center;
  font-size: 17px;
}

.nav-toggle {
  display: none;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 26px;
  color: var(--muted);
  font-weight: 750;
  margin-left: 16px;
}

.nav-menu a:hover {
  color: var(--primary);
}

/* HERO */
.hero {
  padding: 90px 0 70px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 48px;
  align-items: center;
}

.badge {
  display: inline-flex;
  width: fit-content;
  padding: 9px 14px;
  border-radius: 999px;
  background: #eaf1ff;
  color: var(--primary);
  font-weight: 800;
  font-size: 13px;
}

html[data-theme="dark"] .badge {
  background: rgba(37,99,235,.18);
}

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

.hero h1 {
  font-size: clamp(42px, 6vw, 74px);
  line-height: .98;
  letter-spacing: -2.4px;
  margin: 22px 0;
  color: var(--text);
}

.hero p,
.section-head p,
.cta p,
.contact-section p {
  color: var(--muted);
  font-size: 18px;
  line-height: 1.75;
}

.hero-actions,
.hero-points {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 28px;
}

.hero-points span {
  color: var(--muted);
  font-weight: 700;
}

.hero-points i {
  color: var(--green);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 14px;
  font-weight: 850;
  border: 1px solid transparent;
  transition: .22s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn.primary {
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  box-shadow: 0 14px 32px rgba(37,99,235,.25);
}

.btn.secondary {
  background: var(--surface);
  border-color: var(--line);
  color: var(--text);
}

.btn.whatsapp {
  color: #fff;
  background: linear-gradient(135deg, #16a34a, #22c55e);
}

.btn.full {
  width: 100%;
}

/* HERO CARD */
.hero-card {
  position: relative;
  border: 1px solid var(--line);
  border-radius: 34px;
  padding: 26px;
  background: linear-gradient(180deg, #ffffff, #eef4ff);
  box-shadow: var(--shadow);
  overflow: hidden;
}

html[data-theme="dark"] .hero-card {
  background: linear-gradient(180deg, #101c2f, #0d1728);
}

.hero-card::before {
  content: "";
  position: absolute;
  inset: -80px -80px auto auto;
  width: 260px;
  height: 260px;
  border-radius: 999px;
  background: rgba(6,182,212,.22);
  filter: blur(18px);
}

.browser-dot {
  width: 54px;
  height: 14px;
  border-radius: 20px;
  background: linear-gradient(90deg, #ef4444 0 14px, #f59e0b 14px 28px, #22c55e 28px 42px);
  margin-bottom: 24px;
}

.dashboard-top {
  position: relative;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--surface);
}

.dashboard-top small,
.mini-grid small {
  color: var(--muted);
  display: block;
}

.dashboard-top strong {
  display: block;
  font-size: 30px;
  margin-top: 6px;
}

.status {
  align-self: start;
  color: #fff;
  background: var(--green);
  border-radius: 999px;
  padding: 6px 10px;
  font-size: 12px;
  font-weight: 850;
}

.chart-bars {
  height: 170px;
  display: flex;
  align-items: end;
  gap: 16px;
  padding: 28px 8px;
}

.chart-bars span {
  flex: 1;
  border-radius: 16px 16px 6px 6px;
  background: linear-gradient(180deg, var(--primary-2), var(--primary));
}

.mini-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.mini-grid div,
.feature-grid article,
.price-card,
.faq-list details {
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: var(--radius);
  padding: 22px;
}

.mini-grid i,
.feature-grid i {
  color: var(--primary);
  font-size: 24px;
  margin-bottom: 12px;
}

/* TRUST */
.trust {
  padding: 28px 0;
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--surface);
}

.trust-grid div {
  padding: 22px;
  border-right: 1px solid var(--line);
}

.trust-grid div:last-child {
  border-right: 0;
}

.trust-grid strong,
.trust-grid span {
  display: block;
}

.trust-grid span {
  color: var(--muted);
  margin-top: 5px;
}

/* SECTIONS */
.section {
  padding: 86px 0;
}

.section-head {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 42px;
}

.section-head h2,
.cta h2,
.contact-section h2 {
  font-size: clamp(32px, 4vw, 48px);
  line-height: 1.08;
  letter-spacing: -1.4px;
  margin: 16px 0;
  color: var(--text);
}

.feature-grid,
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.feature-grid article h3 {
  margin-bottom: 8px;
  color: var(--text);
}

.feature-grid article p {
  color: var(--muted);
  line-height: 1.7;
}

.pricing-section {
  background: var(--surface-2);
}

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

.price-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.price-card.popular {
  transform: translateY(-12px);
  border-color: #93c5fd;
  box-shadow: var(--shadow);
}

.popular-label {
  position: absolute;
  top: -15px;
  left: 22px;
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  padding: 7px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 850;
}

.plan-tag {
  color: var(--primary);
  font-weight: 850;
}

.price-card h3 {
  font-size: 24px;
  margin: 0;
  color: var(--text);
}

.price {
  font-size: 28px;
  font-weight: 900;
  letter-spacing: -1px;
  color: var(--text);
}

.contact-price {
  font-size: 24px;
}

.price-card ul {
  list-style: none;
  padding: 0;
  margin: 0 0 8px;
  display: grid;
  gap: 12px;
  color: var(--muted);
}

.price-card li i {
  color: var(--green);
  margin-right: 8px;
}

.custom-card {
  background: linear-gradient(180deg, #ecfdf5, var(--surface));
}

html[data-theme="dark"] .custom-card {
  background: linear-gradient(180deg, rgba(34,197,94,.12), var(--surface));
}

/* CTA CONTACT FAQ FOOTER */
.cta-box,
.contact-grid {
  border: 1px solid var(--line);
  border-radius: 34px;
  padding: 34px;
  background: var(--surface);
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.faq-list {
  display: grid;
  gap: 14px;
  max-width: 860px;
  margin: auto;
}

.faq-list summary {
  cursor: pointer;
  font-weight: 850;
  color: var(--text);
}

.faq-list p {
  color: var(--muted);
  line-height: 1.7;
}

.footer {
  padding: 52px 0 24px;
  border-top: 1px solid var(--line);
  background: var(--surface);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2.5fr 1fr 1fr 1fr 1fr;
  gap: 32px;
}

.footer p,
.footer a {
  color: var(--muted);
}

.footer a {
  display: block;
  margin: 10px 0;
}

.footer h4 {
  color: var(--text);
}

.copyright {
  color: var(--muted);
  text-align: center;
  margin-top: 34px;
  font-size: 14px;
}

/* BACK TO TOP */
.back-to-top {
  position: fixed;
  right: 22px;
  bottom: 92px;
  width: 52px;
  height: 52px;
  border: 0;
  border-radius: 50%;
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  box-shadow: 0 14px 30px rgba(37,99,235,.32);
  cursor: pointer;
  z-index: 9999;
  display: none;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}

.back-to-top.show {
  display: flex;
}

/* FLOATING WHATSAPP BUTTON */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 22px;
  width: 52px;
  height: 52px;
  background-color: #25d366;
  color: #fff;
  border-radius: 50%;
  box-shadow: 0 10px 25px rgba(37, 211, 102, 0.45);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  text-decoration: none;
  transition: all 0.3s ease;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 14px 30px rgba(37, 211, 102, 0.6);
  color: #fff;
}

/* RESPONSIVE */
@media (max-width: 980px) {
  .nav-toggle {
    display: inline-grid;
  }

  .nav-wrap {
    justify-content: space-between;
  }

  .header-actions {
    order: 3;
  }

  .nav-menu {
    display: none;
    position: absolute;
    top: 76px;
    left: 16px;
    right: 16px;
    padding: 22px 26px;
    border: 1px solid var(--line);
    border-radius: 24px;
    background: var(--surface);
    box-shadow: var(--shadow);
    flex-direction: column;
    align-items: flex-start;
    gap: 22px;
    margin-left: 0;
  }

  .nav-menu.active {
    display: flex;
  }

  .hero-grid,
  .contact-grid,
  .cta-box {
    display: grid;
    grid-template-columns: 1fr;
  }

  .trust-grid,
  .feature-grid,
  .pricing-grid,
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  .container {
    width: min(100% - 28px, 1180px);
  }

  .site-header {
    position: sticky;
  }

  .nav-wrap {
    min-height: 76px;
    gap: 10px;
  }

  .brand-icon {
    width: 50px !important;
    height: 50px !important;
    flex-basis: 50px !important;
  }

  .brand-title {
    font-size: 17px !important;
  }

  .brand-subtitle {
    font-size: 10px !important;
    letter-spacing: 3px !important;
  }

  .brand-text {
    max-width: 220px;
    overflow: hidden;
  }

  .theme-toggle,
  .nav-toggle {
    width: 44px;
    height: 44px;
    flex: 0 0 44px;
  }

  .hero {
    padding-top: 58px;
  }

  .hero h1 {
    letter-spacing: -1.4px;
  }

  .trust-grid,
  .feature-grid,
  .pricing-grid,
  .footer-grid,
  .mini-grid {
    grid-template-columns: 1fr;
  }

  .price-card.popular {
    transform: none;
  }

  .cta-box,
  .contact-grid {
    padding: 24px;
  }

  .back-to-top {
    right: 18px;
    bottom: 86px;
  }
}

@media (max-width: 430px) {
  .brand-title {
    font-size: 15px !important;
  }

  .brand-subtitle {
    font-size: 9px !important;
    letter-spacing: 2.5px !important;
  }

  .brand-icon {
    width: 46px !important;
    height: 46px !important;
    flex-basis: 46px !important;
  }
}