:root {
  --primary: #0077ff;
  --secondary: #00b3ff;
  --dark: #0b0c10;
  --light: #f8fafc;
  --white: #ffffff;
  --text: #1e293b;
}

* { box-sizing: border-box; margin: 0; padding: 0; font-family: "Poppins", sans-serif; }

body { background: var(--light); color: var(--text); line-height: 1.6; }

.container { width: min(1200px, 92%); margin: 0 auto; }

/* HEADER */
header {
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  box-shadow: 0 3px 10px rgba(0,0,0,0.1);
  position: sticky;
  top: 0;
  z-index: 999;
}
nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 0;
}
.logo {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--white);
}
nav a {
  color: var(--white);
  text-decoration: none;
  margin-left: 22px;
  font-weight: 600;
  transition: 0.3s;
}
nav a:hover { color: #dcefff; }
nav a.active { text-decoration: underline; }
.btn {
  background: var(--white);
  color: var(--primary);
  padding: 8px 16px;
  border-radius: 25px;
  font-weight: 600;
  transition: 0.3s;
}
.btn:hover { background: #e7f0ff; }

/* HERO */
.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 40px;
  padding: 80px 0;
}
.hero h1 {
  font-size: clamp(32px,5vw,52px);
  color: var(--dark);
  margin-bottom: 16px;
}
.hero p {
  margin-bottom: 24px;
  font-size: 1.05rem;
  color: #475569;
}
.hero img {
  width: 100%;
  border-radius: 20px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

/* SECTIONS */
section { padding: 70px 0; }
h2 { text-align: center; font-size: 2rem; margin-bottom: 40px; color: var(--dark); }

/* GRID / CARDS */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px,1fr));
  gap: 28px;
}
.card {
  background: var(--white);
  padding: 26px;
  border-radius: 14px;
  box-shadow: 0 4px 18px rgba(0,0,0,0.08);
  transition: 0.3s;
}
.card:hover { transform: translateY(-6px); }
.card h3 { color: var(--primary); margin-bottom: 10px; }

/* PAGE HEADER */
.page-header {
  text-align: center;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  color: var(--white);
  padding: 80px 20px;
  border-bottom-left-radius: 60px;
  border-bottom-right-radius: 60px;
}

/* SPLIT */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}
.split img {
  width: 100%;
  border-radius: 20px;
  box-shadow: 0 8px 20px rgba(0,0,0,0.1);
}
.split p { margin-bottom: 14px; }

/* FORM */
form {
  background: var(--white);
  padding: 36px;
  border-radius: 18px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.08);
  display: flex;
  flex-direction: column;
  gap: 14px;
}
input, textarea {
  padding: 12px;
  border: 1px solid #ccc;
  border-radius: 8px;
  font: inherit;
}
button {
  background: var(--primary);
  color: var(--white);
  border: none;
  padding: 14px;
  border-radius: 25px;
  font-weight: 600;
  cursor: pointer;
}
button:hover { background: var(--secondary); }

/* FOOTER */
.footer {
  background: #0b0c10;
  color: #e5e7eb;
  padding-top: 60px;
  margin-top: 80px;
}
.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer h3 {
  color: #ffffff;
  font-size: 1.5rem;
  margin-bottom: 14px;
}
.footer h4 {
  color: #ffffff;
  margin-bottom: 14px;
  font-size: 1.1rem;
}
.footer p {
  color: #cbd5e1;
  font-size: 0.95rem;
  margin-bottom: 8px;
}
.footer a {
  color: #00b3ff;
  text-decoration: none;
}
.footer a:hover {
  text-decoration: underline;
  color: #66d1ff;
}
.footer ul {
  list-style: none;
  padding: 0;
}
.footer ul li {
  margin-bottom: 8px;
}
.footer-bottom {
  text-align: center;
  padding: 20px 10px;
  font-size: 0.9rem;
  color: #94a3b8;
}

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