:root {
    --primary: #2d3436;
    --accent: #6c5ce7; /* Purple Modern */
    --accent-hover: #a29bfe;
    --white: #ffffff;
    --bg-gray: #f9f9fb;
    --text-muted: #636e72;
}

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

body {
    font-family: 'Poppins', sans-serif;
    color: var(--primary);
    background-color: var(--white);
    line-height: 1.6;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

.text-center { text-align: center; }

/* Navbar */
.navbar {
    background: var(--white);
    padding: 20px 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.logo {
    font-weight: 700;
    font-size: 1.4rem;
    text-decoration: none;
    color: var(--primary);
}

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

.nav-links {
    display: flex;
    list-style: none;
    align-items: center;
}

.nav-links li a {
    text-decoration: none;
    color: var(--primary);
    margin-left: 25px;
    font-weight: 500;
}

.nav-btn {
    background: var(--accent);
    color: var(--white) !important;
    padding: 10px 20px;
    border-radius: 5px;
    transition: 0.3s;
}

/* Header */
.header-small {
    background: var(--bg-gray);
    padding: 60px 0;
    text-align: center;
}

.header-small h1 { font-size: 2.5rem; margin-bottom: 10px; }

/* Method Core & Timeline */
.method-core { padding: 80px 0; }

.method-intro {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding-left: 50px;
    border-left: 3px dashed var(--accent);
}

.step {
    position: relative;
    margin-bottom: 50px;
    background: #fff;
    padding: 25px;
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.step-number {
    position: absolute;
    left: -78px;
    top: 20px;
    width: 50px;
    height: 50px;
    background: var(--accent);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    border: 5px solid var(--white);
}

/* Options Grid */
.flexible-options {
    background: var(--bg-gray);
    padding: 80px 0;
}

.options-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.option-card {
    background: white;
    padding: 40px;
    border-radius: 15px;
    text-align: center;
    transition: 0.3s;
}

.option-card i {
    font-size: 2.5rem;
    color: var(--accent);
    margin-bottom: 20px;
}

.option-card.highlight {
    background: var(--accent);
    color: white;
}

.option-card.highlight i { color: white; }

/* Final CTA */
.final-cta { padding: 100px 0; }

.cta-card {
    background: linear-gradient(135deg, var(--primary), #4834d4);
    color: white;
    padding: 60px;
    border-radius: 20px;
    text-align: center;
}

.btn-register {
    display: inline-block;
    background: var(--accent);
    color: white;
    padding: 18px 40px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    margin-top: 30px;
    box-shadow: 0 10px 20px rgba(108, 92, 231, 0.3);
    transition: 0.3s;
}

.btn-register:hover { transform: translateY(-5px); background: var(--accent-hover); }

/* Animation */
.fade-in { opacity: 0; transform: translateX(30px); transition: 0.6s ease-out; }
.fade-in.visible { opacity: 1; transform: translateX(0); }

/* Responsive */
@media (max-width: 768px) {
    .nav-links { display: none; }
    .timeline { border-left: none; padding-left: 0; }
    .step-number { position: static; margin: 0 auto 15px; }
    .step { text-align: center; }
}