:root {
  --bg: #05070f;
  --card: #0e1224;
  --text: #ffffff;
  --muted: #aab0c3;
  --primary: #3456d3;
  --border: rgba(255,255,255,0.08);
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: Inter, system-ui, sans-serif;
}

section {
  padding: 100px 8%;
}

/* HERO */
.hero {
  max-width: 900px;
  margin: auto;
  text-align: center;
}

.tag {
  color: var(--primary);
  font-size: 13px;
  letter-spacing: 3px;
  font-weight: 600;
}

.hero h1 {
  font-size: 54px;
  margin: 20px 0;
  font-weight: 800;
}

.hero h1 span {
  color: var(--primary);
}

.hero p {
  font-size: 18px;
  color: var(--muted);
  max-width: 720px;
  margin: 0 auto 40px;
}

/* BUTTON */
.btn-primary {
  background: var(--primary);
  color: #fff;
  padding: 16px 36px;
  border-radius: 14px;
  font-weight: 700;
  text-decoration: none;
  transition: 0.3s ease;
}

.btn-primary:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 40px rgba(52,86,211,0.45);
}

/* PROBLEM */
.problem h2,
.solution h2,
.process h2 {
  text-align: center;
  font-size: 40px;
  margin-bottom: 55px;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px,1fr));
  gap: 22px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  padding: 26px;
  border-radius: 18px;
  text-align: center;
  color: var(--muted);
}

/* SOLUTION */
.solution-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px,1fr));
  gap: 26px;
}

.solution-card {
  background: linear-gradient(145deg, #0e1224, #070a18);
  border: 1px solid var(--border);
  padding: 32px;
  border-radius: 22px;
}

.solution-card h3 {
  font-size: 22px;
  margin-bottom: 12px;
}

.solution-card p {
  color: var(--muted);
}

/* PROCESS */
.process-line {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px,1fr));
  gap: 24px;
}

.process-line div {
  background: var(--card);
  border: 1px solid var(--border);
  padding: 28px;
  border-radius: 16px;
  text-align: center;
  font-weight: 600;
}

.process-line span {
  display: block;
  color: var(--primary);
  font-size: 28px;
  margin-bottom: 10px;
}

/* CTA */
.cta {
  text-align: center;
  background: radial-gradient(circle at top, rgba(52,86,211,0.3), transparent 65%);
}

.cta h2 {
  font-size: 42px;
  margin-bottom: 14px;
}

.cta p {
  color: var(--muted);
  margin-bottom: 30px;
}

/* RESPONSIVE */
@media (max-width: 768px) {
  section {
    padding: 70px 6%;
  }

  .hero h1 {
    font-size: 36px;
  }
}

.whatsapp-float {
  position: fixed;
  bottom: 20px;       /* distance from bottom */
  right: 20px;        /* distance from right */
  width: 60px;        /* icon size */
  height: 60px;
  z-index: 1000;      /* ensures it stays on top */
  cursor: pointer;
  transition: transform 0.3s;
}

.whatsapp-float:hover {
  transform: scale(1.1); /* slight hover effect */
}

.whatsapp-float img {
  width: 100%;
  height: 100%;
  display: block;
}