/* =============================
   CardTick - Modern Fintech Theme
   ============================= */

:root {
  --primary-color: #1E40AF; /* Deep Fintech Blue */
  --accent-color: #3B82F6;  /* Vibrant Blue */
  --text-color: #1F2937;    /* Dark Gray Text */
  --bg-color: #FFFFFF;      /* White Background */
  --muted-color: #6B7280;   /* Muted Gray */
  --border-radius: 12px;
  --transition-speed: 0.3s;
}

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

body {
  background-color: var(--bg-color);
  color: var(--text-color);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ===== Header ===== */
.header {
  background-color: #ffff!important;
  color: #000;
  padding: 1.2rem 0;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 90%;
  margin: auto;
}

.header .logo {
  height: 45px;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 1.8rem;
}

.nav-links a {
  color: #0F172A;
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition-speed);
}

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

.btn-primary {
  background-color: var(--primary-color);
  color: #fff;
  padding: 0.75rem 1.5rem;
  border-radius: var(--border-radius);
  text-decoration: none;
  transition: background var(--transition-speed);
}

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

/* ===== Hero Section ===== */
.hero {
  text-align: center;
  padding: 5rem 2rem;
  background: linear-gradient(135deg, #0F172A 0%, #1E3A8A 100%);
  color: white;
}

.hero h1 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1.2rem;
}

.hero p {
  font-size: 1.1rem;
  max-width: 700px;
  margin: 0 auto 2rem;
  color: #E0E7FF;
}

/* ===== Features Section ===== */
.features {
  padding: 4rem 2rem;
  background-color: #F9FAFB;
}

.features h2 {
  text-align: center;
  font-size: 2rem;
  margin-bottom: 2rem;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  width: 90%;
  margin: auto;
}

.feature {
  background-color: white;
  border-radius: var(--border-radius);
  padding: 2rem;
  text-align: center;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  transition: transform var(--transition-speed);
}

.feature:hover {
  transform: translateY(-5px);
}

/* ===== Cards Section ===== */
.cards {
  padding: 4rem 2rem;
}

.cards h2 {
  text-align: center;
  margin-bottom: 2rem;
}

.card-types {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2rem;
}

.card-item {
  background: white;
  padding: 2rem;
  border-radius: var(--border-radius);
  width: 320px;
  text-align: center;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
}

.card-item h3 {
  color: var(--primary-color);
  margin-bottom: 1rem;
}

/* ===== About Section ===== */
.about {
  padding: 4rem 2rem;
  background-color: #F3F4F6;
  text-align: center;
}

.about h2 {
  font-size: 2rem;
  margin-bottom: 1rem;
}

/* ===== Subscribe Section ===== */
.subscribe {
  background: linear-gradient(135deg, #1E3A8A, #3B82F6);
  color: white;
  text-align: center;
  padding: 4rem 2rem;
}

.subscribe h2 {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.subscribe form {
  margin-top: 2rem;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.subscribe input[type="email"] {
  padding: 0.8rem 1rem;
  border-radius: var(--border-radius);
  border: none;
  width: 280px;
}

.subscribe button {
  background-color: white;
  color: var(--primary-color);
  padding: 0.8rem 1.5rem;
  border-radius: var(--border-radius);
  border: none;
  cursor: pointer;
  font-weight: 600;
  transition: background var(--transition-speed);
}

.subscribe button:hover {
  background-color: #E0E7FF;
}

/* ===== Footer ===== */
.footer {
  background-color: #0F172A;
  color: #CBD5E1;
  text-align: center;
  padding: 2rem;
  margin-top: 3rem;
}

.footer nav {
  margin-top: 1rem;
}

.footer a {
  color: #94A3B8;
  text-decoration: none;
  margin: 0 1rem;
  transition: color var(--transition-speed);
}

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