:root {
    --primary: #0077B6;
    --secondary: #90E0EF;
    --accent: #CAF0F8;
    --dark: #03045E;
    --text: #333;
    --bg: #F8FDFF;
    --white: #ffffff;
    --radius: 12px;
    --shadow: 0 10px 30px rgba(0, 119, 182, 0.1);
}

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

body {
    font-family: 'Plus Jakarta Sans', sans-serif;
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.6;
}

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

.container-narrow {
    max-width: 800px;
}

.grid {
    display: grid;
    gap: 30px;
}

.grid-1 { grid-template-columns: 1fr; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

a {
    text-decoration: none;
    color: inherit;
    transition: 0.3s;
}

/* Utils */
.py-12 { padding-top: 3rem; padding-bottom: 3rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-8 { margin-bottom: 2rem; }
.mb-12 { margin-bottom: 3rem; }
.mt-12 { margin-top: 3rem; }
.text-center { text-align: center; }
.text-gray-500 { color: #6b7280; }
.text-gray-600 { color: #4b5563; }
.text-sm { font-size: 0.875rem; }
.rounded-xl { border-radius: 0.75rem; }
.rounded-2xl { border-radius: 1rem; }
.shadow-lg { box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1); }
.w-full { width: 100%; }
.bg-blue-50 { background-color: #f0f9ff; }
.border-primary { border: 1px solid var(--primary); }
.bg-primary { background-color: var(--primary); }

/* Header */
.header {
    background: var(--white);
    padding: 20px 0;
    border-bottom: 1px solid var(--accent);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 24px;
    font-weight: 800;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--dark);
}

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

.nav-links {
    display: flex;
    gap: 25px;
    align-items: center;
    font-weight: 600;
}

.btn {
    display: inline-block;
    padding: 10px 20px;
    border-radius: 50px;
    font-weight: 700;
    cursor: pointer;
    text-align: center;
    transition: 0.3s;
    border: none;
}

.btn-primary { background: var(--primary); color: var(--white); }
.btn-primary:hover { background: var(--dark); }
.btn-secondary { background: var(--secondary); color: var(--dark); }
.btn-secondary:hover { opacity: 0.9; }
.btn-outline { border: 2px solid var(--primary); color: var(--primary); background: transparent; }
.btn-outline:hover { background: var(--primary); color: var(--white); }

/* Hero Mini */
.hero-mini {
    padding: 60px 0;
    background: linear-gradient(135deg, var(--primary), var(--dark));
    color: var(--white);
    text-align: center;
}

.hero-mini h1 { font-size: 40px; margin-bottom: 10px; color: white; }

/* Cards & Glassmorphism */
.card {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: 0 8px 32px 0 rgba(0, 119, 182, 0.05);
    border: 1px solid rgba(202, 240, 248, 0.4);
    transition: all 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.9);
    box-shadow: 0 12px 40px 0 rgba(0, 119, 182, 0.12);
    border-color: var(--primary);
}

/* Specific styling for pro cards with blue accent */
.pro-card {
    background: rgba(202, 240, 248, 0.4); /* Light blue accent */
    border: 1px solid rgba(144, 224, 239, 0.3);
}

.card-img { border-radius: 8px; overflow: hidden; }
.card-body { padding: 0; margin-top: 15px; }

/* Article Page */
.article-header h1 { font-size: 42px; color: var(--dark); line-height: 1.2; }
.article-hero-img { height: 450px; object-fit: cover; border-radius: 20px; }
.article-content { font-size: 18px; line-height: 1.8; color: #374151; }
.article-content h2 { margin: 40px 0 20px; color: var(--dark); }
.article-content p { margin-bottom: 20px; }

/* Simulator */
.simulator-section { 
    padding: 80px 0; 
    background: radial-gradient(circle at top left, #CAF0F8, #F8FDFF); 
}
.simulator-wrapper { 
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 30px; 
    padding: 60px; 
    box-shadow: 0 20px 60px rgba(0, 119, 182, 0.15); 
    border: 1px solid rgba(255, 255, 255, 0.5); 
    max-width: 1000px;
    margin: 0 auto;
}
.simulator-header { text-align: center; margin-bottom: 50px; }
.simulator-header h2 { font-size: 36px; color: var(--dark); margin-bottom: 10px; }
.simulator-header p { color: var(--text); opacity: 0.8; font-size: 18px; }

.simulator-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.simulator-form { display: flex; flex-direction: column; gap: 25px; }

.form-group { display: flex; flex-direction: column; gap: 10px; }
.form-group label { 
    font-weight: 700; 
    color: var(--dark); 
    display: flex; 
    align-items: center; 
    gap: 8px; 
    font-size: 16px;
}
.form-group label i { color: var(--primary); width: 18px; }

.form-group select, .form-group input[type="text"] {
    padding: 15px;
    border-radius: 12px;
    border: 1px solid var(--accent);
    background: var(--white);
    font-size: 16px;
    color: var(--dark);
    outline: none;
    transition: 0.3s;
}
.form-group select:focus { border-color: var(--primary); box-shadow: 0 0 0 4px rgba(0, 119, 182, 0.1); }

.range-container {
    display: flex;
    align-items: center;
    gap: 20px;
    background: var(--accent);
    padding: 10px 20px;
    border-radius: 50px;
}
input[type="range"] { flex: 1; cursor: pointer; accent-color: var(--primary); }
#size-val { font-weight: 800; color: var(--primary); min-width: 60px; }

.simulator-result {
    position: sticky;
    top: 120px;
}

.result-box {
    background: linear-gradient(135deg, var(--primary), var(--dark));
    color: var(--white);
    padding: 40px;
    border-radius: 24px;
    text-align: center;
    box-shadow: 0 15px 35px rgba(3, 4, 94, 0.2);
}

.result-label { font-size: 14px; text-transform: uppercase; letter-spacing: 2px; opacity: 0.9; margin-bottom: 10px; display: block; }
.result-amount { font-size: 48px; font-weight: 800; margin: 15px 0; line-height: 1; }
.result-note { font-size: 12px; opacity: 0.7; margin-bottom: 30px; line-height: 1.4; }

.btn-cta-sim {
    background: var(--white);
    color: var(--primary);
    padding: 18px 30px;
    border-radius: 50px;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: 0.3s;
    width: 100%;
}
.btn-cta-sim:hover { transform: scale(1.02); box-shadow: 0 10px 20px rgba(0,0,0,0.1); }

/* Footer */
footer { background: var(--dark); color: var(--white); padding: 80px 0 40px; margin-top: 80px; }

/* Animations */
.reveal-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

.reveal-on-scroll.revealed {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 992px) {
    .simulator-grid { grid-template-columns: 1fr; gap: 40px; }
    .simulator-result { position: static; }
}

@media (max-width: 768px) {
    .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
    .nav-links { display: none; }
    .article-header h1 { font-size: 32px; }
    .simulator-wrapper { padding: 30px 20px; }
    .simulator-header h2 { font-size: 28px; }
}