:root {
    --bg-body: #f8fafc;
    --bg-white: #ffffff;
    --primary: #4f46e5;      /* Indigo-600 */
    --primary-dark: #4338ca; /* Indigo-700 */
    --secondary: #0f172a;    /* Slate-900 (Deep Navy) */
    --text-main: #334155;    /* Slate-700 */
    --text-light: #64748b;   /* Slate-500 */
    --border: #e2e8f0;       /* Slate-200 */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --radius: 0.75rem;
}

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

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

h1, h2, h3, h4, h5 { color: var(--secondary); font-weight: 700; line-height: 1.2; letter-spacing: -0.025em; }
a { text-decoration: none; color: inherit; transition: all 0.2s; }
ul { list-style: none; }
.container { max-width: 1100px; margin: 0 auto; padding: 0 2rem; }

/* NAVBAR */
.navbar {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 9999;
    height: 90px;
    display: flex;
    align-items: center;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}
.navbar .container {
    display: flex; justify-content: space-between; align-items: center; width: 100%; height: 100%;
}

/* LOGO */
.brand-logo { display: flex; align-items: center; text-decoration: none; height: 100%; gap: 15px; }
.logo-symbol { height: 55px; width: 55px; }
.brand-text-main { font-family: 'Inter', sans-serif; font-weight: 700; font-size: 1.5rem; color: var(--secondary); letter-spacing: -0.02em; }

.nav-menu { display: flex; gap: 2rem; align-items: center; }
.nav-link { font-weight: 500; color: var(--text-main); font-size: 0.95rem; }
.nav-link:hover { color: var(--primary); }

/* HERO */
.hero { background: var(--secondary); color: white; padding: 6rem 0; position: relative; }
.hero h1 { color: white; font-size: 3.5rem; margin-bottom: 1.5rem; }
.hero p { color: #cbd5e1; font-size: 1.25rem; margin-bottom: 2.5rem; }
.highlight { color: #818cf8; }

/* BUTTONS */
.btn {
    display: inline-flex; align-items: center; justify-content: center;
    padding: 0.75rem 1.5rem; border-radius: 0.5rem;
    font-weight: 600; font-size: 1rem; cursor: pointer; border: none;
    transition: all 0.2s ease-in-out;
}
.btn-primary { background: var(--primary); color: white; box-shadow: 0 4px 6px -1px rgba(79, 70, 229, 0.4); }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-1px); }
.btn-secondary { background: white; color: var(--secondary); border: 1px solid var(--border); }
.btn-secondary:hover { background: #f1f5f9; }
.btn-outline-white { background: transparent; border: 1px solid rgba(255,255,255,0.3); color: white; }
.btn-outline-white:hover { background: rgba(255,255,255,0.1); border-color: white; }

/* SECTIONS */
.section-title { text-align: center; margin-bottom: 1rem; font-size: 2.5rem; }
.section-subtitle { text-align: center; color: var(--text-light); max-width: 600px; margin: 0 auto 4rem auto; }

/* CARDS */
.pricing-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 2rem; margin-top: 3rem; }
.pricing-card { background: var(--bg-white); border: 1px solid var(--border); border-radius: var(--radius); padding: 2.5rem; display: flex; flex-direction: column; transition: all 0.3s ease; position: relative; }
.pricing-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); border-color: var(--primary); }
.pricing-card.featured { border: 2px solid var(--primary); background: #fdfdff; }
.pricing-badge { position: absolute; top: 1rem; right: 1rem; background: var(--primary); color: white; font-size: 0.75rem; font-weight: 700; padding: 0.25rem 0.75rem; border-radius: 9999px; text-transform: uppercase; }
.feature-list li { margin-bottom: 1rem; color: var(--text-main); display: flex; align-items: flex-start; gap: 0.75rem; }
.feature-list li i { color: var(--primary); margin-top: 4px; }

/* FORMS */
.form-section { background: var(--bg-white); border: 1px solid var(--border); border-radius: var(--radius); padding: 2rem; margin-bottom: 1.5rem; }
.form-control { background: #f8fafc; border: 1px solid var(--border); border-radius: 0.5rem; padding: 0.875rem; width: 100%; color: var(--secondary); font-size: 1rem; margin-bottom: 1rem; }
.form-control:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1); }
.step-num { background: var(--secondary); color: white; width: 32px; height: 32px; font-size: 0.9rem; font-weight: 700; display: inline-flex; align-items: center; justify-content: center; border-radius: 50%; margin-right: 10px; }

/* FOOTER */
.footer { background: var(--secondary); color: #94a3b8; padding: 5rem 0 2rem 0; margin-top: 6rem; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 4rem; margin-bottom: 4rem; }
.footer h4 { color: white; margin-bottom: 1.5rem; font-size: 1.1rem; }
.footer ul li { margin-bottom: 0.75rem; }
.footer-bottom { border-top: 1px solid #1e293b; padding-top: 2rem; display: flex; justify-content: space-between; font-size: 0.9rem; }

@media (max-width: 768px) {
    .navbar { height: auto; padding: 1rem 0; }
    .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
}