@import url("https://fonts.googleapis.com/css2?family=Cairo:wght@300;400;600;700&display=swap");

:root {
  --primary-color: #0056b3;
  --primary-hover: #004494;
  --secondary-color: #0f172a; /* Deep Navy */
  --accent-color: #00d4ff; /* Bright Cyan/Blue */
  --text-color: #e2e8f0;
  --text-muted: #94a3b8;
  --bg-color: #020617; /* Very Dark Blue */
  --card-bg: #1e293b;
  --border-color: #334155;
  --success-color: #10b981;
  --danger-color: #ef4444;
  --warning-color: #f59e0b;
  --radius: 12px;
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1),
    0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --transition: all 0.3s ease;
}

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

body {
  font-family: "Cairo", sans-serif;
  background-color: var(--bg-color);
  color: var(--text-color);
  line-height: 1.6;
  direction: rtl;
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

ul {
  list-style: none;
}

/* Utilities */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.btn {
  display: inline-block;
  padding: 12px 24px;
  border-radius: var(--radius);
  font-weight: 600;
  cursor: pointer;
  border: none;
  font-size: 1rem;
  transition: var(--transition);
  text-align: center;
}

.btn-primary {
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--primary-hover)
  );
  color: white;
  box-shadow: 0 4px 15px rgba(0, 86, 179, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 86, 179, 0.6);
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--accent-color);
  color: var(--accent-color);
}

.btn-outline:hover {
  background: var(--accent-color);
  color: var(--secondary-color);
}

/* Header */
header {
  background-color: rgba(15, 23, 42, 0.8);
  backdrop-filter: blur(10px);
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  border-bottom: 1px solid var(--border-color);
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.logo {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--accent-color);
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-links {
  display: flex;
  gap: 30px;
}

.nav-links a {
  color: var(--text-color);
  font-weight: 600;
  position: relative;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--accent-color);
}

.nav-links a::after {
  content: "";
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -5px;
  right: 0;
  background-color: var(--accent-color);
  transition: var(--transition);
}

.nav-links a:hover::after {
  width: 100%;
}

.hamburger {
  display: none;
  cursor: pointer;
  font-size: 1.5rem;
}

/* Hero Section */
.hero {
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: radial-gradient(circle at center, #1e293b 0%, #020617 100%);
  padding-top: 80px;
}

.hero-content h1 {
  font-size: 3.5rem;
  margin-bottom: 20px;
  background: linear-gradient(to right, #fff, #94a3b8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-content h1 span {
  color: var(--accent-color);
  -webkit-text-fill-color: var(--accent-color);
}

.hero-content p {
  font-size: 1.2rem;
  color: var(--text-muted);
  margin-bottom: 40px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-buttons {
  display: flex;
  gap: 20px;
  justify-content: center;
}

/* Features */
.features {
  padding: 100px 0;
}

.section-title {
  text-align: center;
  margin-bottom: 60px;
}

.section-title h2 {
  font-size: 2.5rem;
  margin-bottom: 10px;
}

.section-title p {
  color: var(--text-muted);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.feature-card {
  background-color: var(--card-bg);
  padding: 40px;
  border-radius: var(--radius);
  border: 1px solid var(--border-color);
  transition: var(--transition);
  text-align: center;
}

.feature-card:hover {
  transform: translateY(-10px);
  border-color: var(--accent-color);
  box-shadow: var(--shadow);
}

.icon-box {
  width: 70px;
  height: 70px;
  background-color: rgba(0, 212, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  color: var(--accent-color);
  margin: 0 auto 20px;
}

.feature-card h3 {
  margin-bottom: 15px;
  font-size: 1.5rem;
}

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

/* Footer */
footer {
  background-color: var(--secondary-color);
  padding: 60px 0 20px;
  border-top: 1px solid var(--border-color);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-col h4 {
  margin-bottom: 20px;
  font-size: 1.2rem;
  color: var(--accent-color);
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col ul li a {
  color: var(--text-muted);
}

.footer-col ul li a:hover {
  color: white;
}

.copyright {
  text-align: center;
  padding-top: 20px;
  border-top: 1px solid var(--border-color);
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Forms */
.auth-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 100px 20px;
}

.auth-box {
  background-color: var(--card-bg);
  padding: 40px;
  border-radius: var(--radius);
  width: 100%;
  max-width: 450px;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow);
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  color: var(--text-color);
}

.form-input {
  width: 100%;
  padding: 12px;
  border-radius: var(--radius);
  border: 1px solid var(--border-color);
  background-color: var(--bg-color);
  color: white;
  font-family: inherit;
  transition: var(--transition);
}

.form-input:focus {
  outline: none;
  border-color: var(--accent-color);
}

/* Responsive */
@media (max-width: 768px) {
  .nav-links {
    display: none; /* Mobile menu implementation needed via JS */
    flex-direction: column;
    position: absolute;
    top: 80px;
    right: 0;
    width: 100%;
    background-color: var(--secondary-color);
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
  }

  .nav-links.active {
    display: flex;
  }

  .hamburger {
    display: block;
  }

  .hero-content h1 {
    font-size: 2.5rem;
  }
}