/* --- ROOT VARIABLES: ELECTRIC BLUE & WHITE THEME --- */
:root {
    --primary-blue: #0052FF;
    --deep-blue: #0036A8;
    --white: #FFFFFF;
    --soft-gray: #F8FAFC;
    --text-dark: #0F172A;
    --text-muted: #64748B;
    --glass: rgba(255, 255, 255, 0.85);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- BASE STYLES --- */
* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: 'Plus Jakarta Sans', sans-serif;
    background-color: var(--white);
    color: var(--text-dark);
    line-height: 1.7;
    overflow-x: hidden;
}

.container {
    max-width: 1250px;
    margin: 0 auto;
    padding: 0 25px;
}

h1, h2, h3, h4 { letter-spacing: -0.02em; font-weight: 800; }
a { text-decoration: none; transition: var(--transition); }

/* --- INTERACTIVE NAVIGATION --- */
header {
    padding: 15px 0;
    background: var(--glass);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid #F1F5F9;
}

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

.brand-link { font-size: 20px; color: var(--text-dark); }
.brand-link strong { font-weight: 900; }

nav a {
    margin: 0 15px;
    color: var(--text-muted);
    font-weight: 600;
    font-size: 14px;
}

nav a:hover, nav a.active {
    color: var(--primary-blue);
}

.nav-cta {
    background: var(--primary-blue);
    color: white !important;
    padding: 10px 22px;
    border-radius: 8px;
}

.nav-cta:hover {
    background: var(--deep-blue);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 82, 255, 0.2);
}

/* --- BUTTONS & INTERACTIVES --- */
.btn-blue {
    background: var(--primary-blue);
    color: white;
    padding: 18px 35px;
    border-radius: 10px;
    font-weight: 700;
    display: inline-block;
    border: none;
}

.btn-blue:hover {
    background: var(--deep-blue);
    transform: translateY(-3px);
    box-shadow: 0 15px 30px rgba(0, 82, 255, 0.25);
}

.btn-ghost {
    border: 2px solid #E2E8F0;
    color: var(--text-dark);
    padding: 16px 35px;
    border-radius: 10px;
    font-weight: 700;
    display: inline-block;
}

.btn-ghost:hover {
    background: var(--soft-gray);
    border-color: var(--primary-blue);
    color: var(--primary-blue);
}

.btn-white {
    background: white;
    color: var(--primary-blue);
    padding: 18px 35px;
    border-radius: 10px;
    font-weight: 800;
    display: inline-block;
}

/* --- PAGE COMPONENTS --- */
.pill {
    display: inline-block;
    padding: 6px 16px;
    background: #EBF2FF;
    color: var(--primary-blue);
    font-weight: 800;
    font-size: 11px;
    border-radius: 50px;
    margin-bottom: 25px;
}

.blue-text { color: var(--primary-blue); }

/* Hero */
.hero { padding: 120px 0; }
.hero h1 { font-size: 64px; margin-bottom: 25px; line-height: 1.1; }
.hero p { font-size: 20px; color: var(--text-muted); max-width: 600px; margin-bottom: 40px; }

/* Grid Systems */
.pricing-grid, .portfolio-grid, .service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 60px;
}

/* Cards (Movement effects) */
.price-card, .project-card, .pillar-card {
    background: white;
    padding: 40px;
    border-radius: 20px;
    border: 1px solid #F1F5F9;
    transition: var(--transition);
}

.price-card:hover, .project-card:hover, .pillar-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-blue);
    box-shadow: 0 25px 50px rgba(0,0,0,0.05);
}

.price-card.featured {
    background: var(--primary-blue);
    color: white;
    transform: scale(1.05);
}

/* Forms (Glassmorphism) */
.glass-form {
    background: white;
    padding: 50px;
    border-radius: 24px;
    border: 1px solid #eee;
    box-shadow: 0 40px 80px rgba(0,0,0,0.05);
}

input, select, textarea {
    width: 100%;
    padding: 15px;
    margin-bottom: 20px;
    border: 1px solid #E2E8F0;
    border-radius: 8px;
    font-family: inherit;
    outline: none;
    transition: var(--transition);
}

input:focus { border-color: var(--primary-blue); box-shadow: 0 0 0 4px rgba(0, 82, 255, 0.1); }

/* --- RESPONSIVENESS --- */
@media (max-width: 768px) {
    .hero h1 { font-size: 42px; }
    .nav-flex { flex-direction: column; gap: 20px; }
    nav a { margin: 0 8px; font-size: 12px; }
    .pricing-grid { grid-template-columns: 1fr; }
}