/* KaiLiving — landings de segmento (contadores, administración, firmas) */
:root {
  --font-display: 'Neo Sans Std', system-ui, sans-serif;
  --font-body: 'Neo Sans Std', system-ui, sans-serif;
  --bg: #080D1A;
  --surface: #0D1529;
  --card: #101929;
  --border: #1C2A42;
  --blue: #2563EB;
  --blue-lt: #3B82F6;
  --blue-glow: rgba(37, 99, 235, 0.18);
  --green: #10B981;
  --amber: #F59E0B;
  --text: #F1F5F9;
  --muted: #94A3B8;
  --dim: #475569;
  --radius: 12px;
  --radius-lg: 20px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--blue-lt);
  text-decoration: none;
}

/* NAV */
.landing-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(8, 13, 26, 0.88);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text);
}

.nav-logo span {
  color: var(--blue);
}

.nav-cta {
  background: var(--blue);
  color: #fff;
  border: none;
  cursor: pointer;
  padding: 9px 20px;
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.2s;
  white-space: nowrap;
}

.nav-cta:hover {
  background: var(--blue-lt);
}

/* HERO */
.hero {
  padding: 80px 24px 64px;
  max-width: 820px;
  margin: 0 auto;
  text-align: center;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--blue-glow);
  border: 1px solid rgba(37, 99, 235, 0.3);
  border-radius: 100px;
  padding: 6px 16px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--blue-lt);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 28px;
}

.badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--blue);
  animation: landing-pulse 2s infinite;
}

@keyframes landing-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 20px;
}

.hero h1 em {
  font-style: normal;
  color: var(--blue-lt);
}

.hero p,
.hero-sub {
  font-size: 1.05rem;
  color: var(--muted);
  max-width: 620px;
  margin: 0 auto 36px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin-bottom: 36px;
}

.btn-primary {
  background: var(--blue);
  color: #fff;
  border: none;
  cursor: pointer;
  padding: 14px 28px;
  border-radius: 10px;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.2s, transform 0.15s;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-primary:hover {
  background: var(--blue-lt);
  transform: translateY(-1px);
}

.btn-outline,
.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
  cursor: pointer;
  padding: 14px 28px;
  border-radius: 10px;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 500;
  text-decoration: none;
  transition: border-color 0.2s, color 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-ghost {
  color: var(--muted);
}

.btn-outline:hover,
.btn-ghost:hover {
  border-color: var(--blue);
  color: var(--blue-lt);
}

.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 0.82rem;
  color: var(--dim);
  font-weight: 500;
}

.trust-item svg {
  color: var(--green);
  flex-shrink: 0;
}

/* SECTIONS */
.section {
  padding: 72px 24px;
}

.container {
  max-width: 1040px;
  margin: 0 auto;
}

.section-label {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--blue-lt);
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.2;
  color: var(--text);
  margin-bottom: 16px;
}

.section-sub {
  font-size: 1rem;
  color: var(--muted);
  max-width: 580px;
  line-height: 1.7;
}

.divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 0;
}

/* FORM */
.form-section {
  padding: 72px 24px;
  background: var(--surface);
  border-top: 1px solid var(--border);
}

.form-wrap {
  max-width: 520px;
  margin: 0 auto;
  text-align: center;
}

.form-wrap .section-title {
  font-size: 1.8rem;
}

.form-wrap .section-sub {
  margin: 0 auto 36px;
}

form {
  display: flex;
  flex-direction: column;
  gap: 14px;
  text-align: left;
}

.field label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--muted);
  margin-bottom: 6px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.field input {
  width: 100%;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 13px 16px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: border-color 0.2s;
  outline: none;
}

.field input:focus {
  border-color: var(--blue);
}

.field input::placeholder {
  color: var(--dim);
}

.btn-submit {
  background: var(--blue);
  color: #fff;
  border: none;
  cursor: pointer;
  padding: 15px;
  border-radius: 10px;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  margin-top: 6px;
  transition: background 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.btn-submit:hover {
  background: var(--blue-lt);
}

.form-alt,
.form-note {
  margin-top: 14px;
  font-size: 0.82rem;
  color: var(--dim);
  text-align: center;
}

.form-alt a,
.form-note a {
  color: var(--blue-lt);
  font-weight: 500;
}

.form-success {
  display: none;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  border-radius: var(--radius);
  padding: 28px;
  text-align: center;
}

.form-success svg {
  color: var(--green);
  margin: 0 auto 16px;
}

.form-success h4 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}

.form-success p {
  font-size: 0.9rem;
  color: var(--muted);
}

/* FOOTER */
.landing-footer {
  padding: 40px 24px;
  border-top: 1px solid var(--border);
  text-align: center;
}

.footer-logo {
  display: flex;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 800;
  margin-bottom: 16px;
}

.footer-logo span {
  color: var(--blue);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
  margin-bottom: 16px;
}

.footer-links a {
  font-size: 0.85rem;
  color: var(--dim);
}

.footer-links a:hover {
  color: var(--muted);
}

.footer-legal {
  font-size: 0.78rem;
  color: var(--dim);
}

@media (max-width: 600px) {
  .hero {
    padding: 56px 20px 48px;
  }

  .hero h1 {
    font-size: 1.9rem;
  }

  .btn-primary,
  .btn-outline,
  .btn-ghost {
    padding: 13px 22px;
    font-size: 0.95rem;
  }

  .section {
    padding: 56px 20px;
  }
}