:root {
  --bg-deep: #050a14;
  --bg-card: #0b1120;
  --bg-elevated: #111a2e;
  --cyan: #00f5ff;
  --cyan-dim: #00b4d8;
  --text: #f8fafc;
  --text-muted: #94a3b8;
  --border: rgba(0, 245, 255, 0.15);
  --radius: 14px;
  --shadow-glow: 0 0 40px rgba(0, 245, 255, 0.12);
  --font: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  background: radial-gradient(ellipse 120% 80% at 50% -20%, #0f2847 0%, var(--bg-deep) 55%);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

a {
  color: var(--cyan);
  text-decoration: none;
  transition: opacity 0.2s;
}

a:hover {
  opacity: 0.85;
}

img {
  max-width: 100%;
  height: auto;
}

.container {
  width: min(1140px, 92vw);
  margin: 0 auto;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
  background: rgba(5, 10, 20, 0.85);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
  gap: 1.5rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--text);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}

.brand img {
  width: 40px;
  height: 40px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--text-muted);
  font-size: 0.95rem;
  font-weight: 500;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.7rem 1.35rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.9rem;
  border: none;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.2s;
}

.btn-primary {
  background: var(--cyan);
  color: #020617;
}

.btn-primary:hover {
  box-shadow: 0 0 24px rgba(0, 245, 255, 0.45);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--cyan);
}

.btn-outline:hover {
  background: rgba(0, 245, 255, 0.08);
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.4rem 0.6rem;
  border-radius: 8px;
  cursor: pointer;
}

/* Hero */
.hero {
  padding: 4.5rem 0 5rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.hero h1 {
  font-size: clamp(2rem, 4.5vw, 3.1rem);
  line-height: 1.15;
  margin: 0 0 1.25rem;
  letter-spacing: -0.03em;
}

.hero h1 .accent {
  color: var(--cyan);
}

.hero p {
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 32rem;
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.hero-visual {
  position: relative;
  min-height: 320px;
}

.hero-card {
  position: absolute;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-glow);
  padding: 1rem;
}

.hero-card.main {
  inset: 10% 5% 10% 15%;
}

.hero-card.mobile {
  width: 38%;
  bottom: 0;
  left: 0;
  padding: 0.75rem;
}

.mock-bar {
  height: 8px;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--cyan), transparent);
  margin-bottom: 0.75rem;
  opacity: 0.7;
}

.mock-chart {
  display: flex;
  align-items: flex-end;
  gap: 6px;
  height: 120px;
  padding-top: 1rem;
}

.mock-chart span {
  flex: 1;
  background: linear-gradient(180deg, var(--cyan), var(--cyan-dim));
  border-radius: 4px 4px 0 0;
  opacity: 0.85;
}

.mock-chart span:nth-child(2) { height: 55%; opacity: 0.5; }
.mock-chart span:nth-child(3) { height: 80%; }
.mock-chart span:nth-child(4) { height: 40%; opacity: 0.4; }
.mock-chart span:nth-child(5) { height: 95%; }
.mock-chart span:nth-child(6) { height: 65%; opacity: 0.6; }

/* Sections */
.section {
  padding: 5rem 0;
}

.section-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 3rem;
}

.section-head h2 {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  margin: 0 0 0.75rem;
  letter-spacing: -0.02em;
}

.section-head p {
  color: var(--text-muted);
  margin: 0;
}

.solutions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1.25rem;
}

.solution-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  transition: border-color 0.2s, transform 0.2s;
}

.solution-card:hover {
  border-color: rgba(0, 245, 255, 0.4);
  transform: translateY(-3px);
}

.solution-thumb {
  height: 72px;
  border-radius: 10px;
  background: linear-gradient(135deg, #0f2847, #111a2e);
  border: 1px solid var(--border);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.solution-card h3 {
  margin: 0 0 0.35rem;
  font-size: 1rem;
}

.solution-card p {
  margin: 0;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.experience-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.pill {
  display: inline-block;
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  background: rgba(0, 245, 255, 0.12);
  color: var(--cyan);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  margin-bottom: 1rem;
}

.check-list {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0 0;
}

.check-list li {
  display: flex;
  gap: 0.65rem;
  margin-bottom: 0.75rem;
  color: var(--text-muted);
}

.check-list li::before {
  content: "✓";
  color: var(--cyan);
  font-weight: 700;
}

.dashboard-preview {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: var(--shadow-glow);
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.why-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
}

.why-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(0, 245, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

.why-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
}

.why-card p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.cta-box {
  background: linear-gradient(135deg, #0f2847 0%, var(--bg-card) 100%);
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) + 4px);
  padding: 3.5rem 2rem;
  text-align: center;
  box-shadow: var(--shadow-glow);
}

.cta-box h2 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.5rem, 3vw, 2rem);
}

.cta-box p {
  color: var(--text-muted);
  max-width: 520px;
  margin: 0 auto 2rem;
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

/* Contact page */
.contact-hero {
  padding: 4rem 0 2rem;
  text-align: center;
}

.contact-hero h1 {
  font-size: clamp(2rem, 4vw, 2.75rem);
  margin: 0 0 1rem;
}

.contact-hero p {
  color: var(--text-muted);
  max-width: 560px;
  margin: 0 auto;
}

.contact-form-wrap {
  max-width: 520px;
  margin: 2.5rem auto 4rem;
  padding: 2rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-glow);
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
  color: var(--text-muted);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  border-radius: 10px;
  border: 1px solid rgba(148, 163, 184, 0.25);
  background: #f8fafc;
  color: #0f172a;
  font-family: inherit;
  font-size: 0.95rem;
}

.form-group textarea {
  min-height: 140px;
  resize: vertical;
  background: var(--bg-elevated);
  color: var(--text);
  border-color: var(--border);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: 2px solid var(--cyan);
  outline-offset: 1px;
}

.form-errors {
  background: rgba(239, 68, 68, 0.12);
  border: 1px solid rgba(239, 68, 68, 0.35);
  color: #fca5a5;
  padding: 0.85rem 1rem;
  border-radius: 10px;
  margin-bottom: 1.25rem;
  font-size: 0.9rem;
}

.form-success {
  background: rgba(0, 245, 255, 0.1);
  border: 1px solid var(--cyan);
  color: var(--cyan);
  padding: 1.25rem;
  border-radius: 10px;
  text-align: center;
  margin: 2rem auto;
  max-width: 520px;
}

.form-legal {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-align: center;
  margin-top: 1rem;
}

.hp-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.btn-submit {
  width: 100%;
  padding: 1rem;
  font-size: 1rem;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  background: rgba(5, 10, 20, 0.9);
  padding: 3rem 0 1.5rem;
  margin-top: 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr auto;
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.9rem;
  max-width: 280px;
}

.footer-col h4 {
  margin: 0 0 1rem;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}

.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-col li {
  margin-bottom: 0.5rem;
}

.footer-col a {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-col a:hover {
  color: var(--text);
}

.btn-whatsapp {
  background: #25d366;
  color: #fff;
  border-radius: 999px;
  padding: 0.65rem 1.1rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  font-size: 0.8rem;
  color: var(--text-muted);
}

.footer-bottom a {
  color: var(--text-muted);
  margin-left: 1rem;
}

@media (max-width: 900px) {
  .hero-grid,
  .experience-grid {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    min-height: 240px;
  }

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

  .nav-links {
    display: none;
  }

  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-card);
    padding: 1rem 4vw;
    border-bottom: 1px solid var(--border);
  }

  .nav-toggle {
    display: block;
  }

  .nav-inner {
    position: relative;
    flex-wrap: wrap;
  }
}