:root {
  --bg: #08111f;
  --bg-soft: #0f172a;
  --panel: #111c31;
  --text: #e5eefc;
  --text-dark: #0f172a;
  --muted: #8ba3c7;
  --line: rgba(148, 163, 184, 0.18);
  --white: #ffffff;
  --offwhite: #f8fbff;
  --accent: #5eead4;
  --accent-2: #60a5fa;
  --accent-dark: #0b1220;
  --success: #22c55e;
  --shadow: 0 24px 60px rgba(2, 8, 23, 0.18);
  --radius: 24px;
  --radius-sm: 14px;
  --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Inter", sans-serif;
  color: var(--text-dark);
  background: var(--white);
  line-height: 1.6;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }

.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
}
.skip-link:focus {
  left: 16px;
  top: 16px;
  z-index: 999;
  background: var(--white);
  color: var(--text-dark);
  padding: 10px 14px;
  border-radius: 10px;
}

.container {
  width: min(var(--container), calc(100% - 40px));
  margin: 0 auto;
}

.narrow { width: min(860px, calc(100% - 40px)); }

.section { padding: 96px 0; }
.section-light { background: #f6f9fe; }
.section-dark {
  background: linear-gradient(180deg, var(--bg) 0%, #0b1530 100%);
  color: var(--text);
}
.section-accent {
  background: linear-gradient(180deg, #dffcf6 0%, #edf6ff 100%);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(255, 255, 255, 0.85);
  border-bottom: 1px solid rgba(148, 163, 184, 0.12);
}
.header-inner {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  letter-spacing: -0.04em;
}
.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  color: var(--bg);
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%);
  box-shadow: 0 12px 28px rgba(94, 234, 212, 0.22);
}
.brand-text { font-size: 1.1rem; }
.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 999px;
  font-weight: 700;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease, color 0.18s ease;
  cursor: pointer;
  border: 1px solid transparent;
}
.btn:hover { transform: translateY(-1px); }
.btn-large { min-height: 56px; padding: 0 24px; }
.btn-full { width: 100%; }
.btn-primary {
  color: var(--bg);
  background: linear-gradient(135deg, var(--accent) 0%, #99f6e4 100%);
  box-shadow: 0 18px 36px rgba(94, 234, 212, 0.22);
}
.btn-ghost {
  color: var(--text-dark);
  border-color: rgba(15, 23, 42, 0.12);
  background: rgba(255,255,255,0.86);
}
.btn-dark {
  color: var(--white);
  background: var(--accent-dark);
  box-shadow: 0 18px 36px rgba(11, 18, 32, 0.18);
}
.btn-ghost-dark {
  color: var(--accent-dark);
  border-color: rgba(11, 18, 32, 0.16);
  background: rgba(255,255,255,0.72);
}
.btn-ghost-light {
  color: var(--text);
  border-color: rgba(255,255,255,0.22);
  background: rgba(255,255,255,0.06);
}

.hero {
  padding-top: 72px;
  background:
    radial-gradient(circle at 85% 10%, rgba(96, 165, 250, 0.18), transparent 22%),
    radial-gradient(circle at 15% 20%, rgba(94, 234, 212, 0.18), transparent 20%),
    linear-gradient(180deg, #f8fbff 0%, #ffffff 100%);
}
.hero-grid,
.split-grid,
.diagnose-grid,
.credibility-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 44px;
  align-items: center;
}
.hero-copy h1,
.section-heading h2,
.cta-final h2,
h2 {
  margin: 0;
  font-size: clamp(2.2rem, 4.8vw, 4.4rem);
  line-height: 1.03;
  letter-spacing: -0.055em;
}
.hero-lead,
.lead,
.section-heading p,
.content-block p,
p {
  color: #38506f;
  font-size: 1.05rem;
}
.hero-copy .hero-lead {
  margin: 22px 0 24px;
  font-size: 1.15rem;
  max-width: 720px;
}
.eyebrow {
  display: inline-block;
  margin: 0 0 18px;
  color: #0f4c81;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 0.8rem;
}
.section-heading {
  margin-bottom: 36px;
}
.section-heading.centered,
.centered {
  text-align: center;
}
.section-heading.light p,
.section-heading.light h2,
.section-dark p,
.section-dark h2,
.section-dark h3 {
  color: var(--text);
}

.hero-points,
.check-list,
.bullet-list,
.inline-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 28px;
}
.hero-points li,
.chip {
  border: 1px solid rgba(15, 23, 42, 0.08);
  background: rgba(255,255,255,0.88);
  border-radius: 999px;
  padding: 10px 14px;
  font-weight: 700;
  color: #13355b;
}
.chips-row {
  margin-top: 18px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 14px;
}
.microcopy,
.form-note,
.panel-note,
.section-note {
  color: var(--muted);
  font-size: 0.95rem;
}

.hero-visual {
  display: grid;
  gap: 18px;
}
.device-card,
.flow-card,
.pipeline-card,
.soft-panel,
.feature-card,
.info-card,
.compare-card,
.timeline-step,
.kpi-card,
.testimonial-card,
.form-card {
  background: var(--white);
  border: 1px solid rgba(148, 163, 184, 0.12);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.device-card,
.flow-card,
.pipeline-card {
  padding: 22px;
}
.whatsapp-card { background: linear-gradient(180deg, #ffffff 0%, #f0fdf8 100%); }
.device-top {
  display: flex;
  gap: 8px;
  margin-bottom: 18px;
}
.device-top span {
  width: 10px;
  height: 10px;
  background: #d6e3f3;
  border-radius: 999px;
}
.chat-list {
  display: grid;
  gap: 12px;
}
.chat-bubble {
  max-width: 86%;
  padding: 12px 14px;
  border-radius: 18px;
  font-size: 0.96rem;
}
.chat-in {
  background: #ecf3ff;
  color: #18324d;
}
.chat-out {
  margin-left: auto;
  background: #d9fbf4;
  color: #12392f;
}
.flow-card,
.system-flow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}
.flow-step,
.system-node {
  padding: 10px 12px;
  background: #eef6ff;
  border-radius: 14px;
  font-weight: 700;
  color: #123a66;
}
.flow-arrow,
.system-arrow { color: #5a7aa6; font-weight: 800; }
.pipeline-card h3,
.form-card h3 { margin-top: 0; }
.pipeline-card ul {
  list-style: none;
  padding: 0;
  margin: 14px 0 0;
  display: grid;
  gap: 10px;
}
.dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border-radius: 999px;
  margin-right: 10px;
}

.trust-strip {
  border-top: 1px solid rgba(148, 163, 184, 0.12);
  border-bottom: 1px solid rgba(148, 163, 184, 0.12);
  background: #f8fbff;
}
.trust-strip-inner {
  min-height: 72px;
  display: grid;
  place-items: center;
  text-align: center;
}
.trust-strip p { margin: 0; color: #355171; font-weight: 600; }

.card-grid {
  display: grid;
  gap: 22px;
}
.card-grid.four { grid-template-columns: repeat(4, 1fr); }
.card-grid.three { grid-template-columns: repeat(3, 1fr); }
.info-card,
.feature-card {
  padding: 28px;
}
.info-card h3,
.feature-card h3,
.timeline-step h3,
.compare-card h3,
.soft-panel h3,
.mini-point strong {
  margin-top: 0;
  margin-bottom: 10px;
  font-size: 1.12rem;
  letter-spacing: -0.03em;
}
.content-block {
  display: grid;
  gap: 28px;
}
.check-list {
  display: grid;
  gap: 12px;
}
.check-list.two-cols {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.check-list li,
.bullet-list li,
.inline-list li {
  position: relative;
  padding-left: 28px;
}
.check-list li::before,
.bullet-list li::before,
.inline-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
}
.quote-highlight {
  margin: 0;
  padding: 24px 28px;
  border-left: 4px solid var(--accent);
  background: #f8fbff;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 1.32rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  color: #113457;
}
.soft-panel {
  padding: 24px 26px;
  background: linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
}
.emphasis-panel strong {
  display: block;
  font-size: 1.05rem;
  margin-bottom: 6px;
}
.visual-stack { display: grid; gap: 20px; }
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}
.kpi-card {
  padding: 20px;
}
.kpi-label {
  display: block;
  color: #6284af;
  font-size: 0.85rem;
  margin-bottom: 6px;
}

.compare-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  align-items: stretch;
}
.compare-card {
  padding: 30px;
}
.compare-muted {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.1);
}
.compare-highlight {
  background: linear-gradient(180deg, rgba(94,234,212,0.14) 0%, rgba(96,165,250,0.14) 100%);
  border-color: rgba(94,234,212,0.22);
}
.compare-foot {
  margin: 28px auto 0;
  text-align: center;
  max-width: 760px;
  color: rgba(229, 238, 252, 0.82);
}

.timeline {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.timeline-step {
  padding: 28px;
}
.step-number {
  display: inline-flex;
  width: 44px;
  height: 44px;
  border-radius: 999px;
  place-items: center;
  justify-content: center;
  font-weight: 800;
  margin-bottom: 16px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: var(--bg);
}

.credibility-grid {
  align-items: start;
}
.credibility-points {
  display: grid;
  gap: 16px;
}
.mini-point {
  padding: 22px;
  border: 1px solid rgba(148, 163, 184, 0.14);
  border-radius: 18px;
  background: #f8fbff;
}
.mini-point span {
  display: block;
  margin-top: 8px;
  color: #4b6586;
}
.testimonial-grid {
  display: grid;
  gap: 16px;
}
.testimonial-card {
  margin: 0;
  padding: 24px;
}
.testimonial-card p {
  margin: 0;
  color: #18324d;
  font-weight: 600;
}

.faq-list {
  display: grid;
  gap: 14px;
}
.faq-item {
  border: 1px solid rgba(148, 163, 184, 0.16);
  background: var(--white);
  border-radius: 18px;
  padding: 18px 22px;
}
.faq-item summary {
  cursor: pointer;
  font-weight: 700;
  list-style: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item p { margin: 12px 0 0; }

.diagnose-grid {
  align-items: start;
}
.diagnose-copy h2 {
  font-size: clamp(2rem, 4vw, 3.6rem);
}
.diagnose-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 24px 0 12px;
}
.form-card {
  padding: 30px;
}
.field-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}
.lead-form {
  display: grid;
  gap: 14px;
  margin-top: 18px;
}
.field {
  display: grid;
  gap: 8px;
}
.field label {
  font-size: 0.95rem;
  font-weight: 700;
  color: #1a3558;
}
.field input,
.field textarea {
  width: 100%;
  border-radius: 14px;
  border: 1px solid rgba(148, 163, 184, 0.24);
  background: var(--white);
  padding: 14px 15px;
  color: var(--text-dark);
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}
.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: rgba(96, 165, 250, 0.8);
  box-shadow: 0 0 0 4px rgba(96, 165, 250, 0.14);
}

.inline-list {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 14px 28px;
  margin-top: 24px;
}
.cta-final .hero-ctas {
  justify-content: center;
}

.site-footer {
  background: #060d19;
  color: rgba(229,238,252,0.82);
  padding: 34px 0 40px;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: center;
}
.footer-brand { margin-bottom: 10px; color: var(--white); }
.footer-links {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}
.footer-links a { color: rgba(229,238,252,0.82); }

@media (max-width: 1080px) {
  .hero-grid,
  .split-grid,
  .diagnose-grid,
  .credibility-grid,
  .card-grid.four,
  .card-grid.three,
  .timeline,
  .compare-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 840px) {
  .section { padding: 78px 0; }
  .hero-grid,
  .split-grid,
  .diagnose-grid,
  .credibility-grid,
  .card-grid.four,
  .card-grid.three,
  .timeline,
  .compare-grid,
  .field-grid,
  .check-list.two-cols,
  .kpi-grid {
    grid-template-columns: 1fr;
  }
  .header-inner,
  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }
  .header-actions,
  .hero-ctas,
  .diagnose-actions {
    width: 100%;
  }
  .header-actions .btn,
  .hero-ctas .btn,
  .diagnose-actions .btn {
    flex: 1 1 auto;
  }
  .hero {
    padding-top: 48px;
  }
}

@media (max-width: 560px) {
  .container, .narrow { width: min(100% - 24px, var(--container)); }
  .btn, .btn-large { width: 100%; }
  .hero-copy h1,
  .section-heading h2,
  .cta-final h2,
  h2 {
    font-size: 2.1rem;
  }
  .brand-mark {
    width: 38px;
    height: 38px;
  }
  .info-card,
  .feature-card,
  .timeline-step,
  .compare-card,
  .form-card,
  .soft-panel,
  .device-card,
  .flow-card,
  .pipeline-card {
    padding: 22px;
  }
}