:root {
  --bg-dark: #0f172a;
  --bg-card: #1e293b;
  --accent: #10b981;
  --text-main: #ffffff;
  --text-muted: #94a3b8;
}

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

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.6;
}

/* HEADER */
header {
  background: #0b1220;
  padding: 25px 0;
}

.nav-container {
  width: 85%;
  margin: auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* BIGGER LOGO */
.logo {
  font-size: 36px;
  font-weight: 900;
  letter-spacing: 1px;
}

nav a {
  color: var(--text-main);
  text-decoration: none;
  margin-left: 30px;
  font-weight: 600;
  transition: 0.3s;
}

nav a:hover {
  color: var(--accent);
}

/* HERO */
.hero {
  padding: 120px 20px;
  text-align: center;
}

.hero-content {
  max-width: 700px;
  margin: auto;
}

.hero h1 {
  font-size: 48px;
  margin-bottom: 20px;
  font-weight: 800;
}

.hero p {
  color: var(--text-muted);
  font-size: 18px;
}

/* SECTIONS */
.section {
  padding: 80px 20px;
}

.container {
  max-width: 1100px;
  margin: auto;
}

.section h2 {
  text-align: center;
  margin-bottom: 40px;
  font-size: 32px;
}

/* SOLUTIONS GRID */
.solutions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

/* CARDS */
.solution-card {
  background: var(--bg-card);
  padding: 30px;
  border-radius: 14px;
  transition: 0.3s ease;
  text-align: center;
}

.solution-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0,0,0,0.3);
}

.solution-card h3 {
  margin-bottom: 15px;
  font-size: 22px;
  color: var(--accent);
}

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

/* DARK SECTION */
.dark-section {
  background: #0b1220;
  text-align: center;
}

/* CONTACT */
#contact p {
  text-align: center;
  margin-bottom: 10px;
  color: var(--text-muted);
}

/* FOOTER */
footer {
  text-align: center;
  padding: 30px;
  background: #0b1220;
  font-size: 14px;
  color: var(--text-muted);
}