:root {
    --bg-dark: #0B1120;
    --bg-card: #111827;
    --text-main: #F3F4F6;
    --text-muted: #9CA3AF;
    --grad-start: #1E3A8A; 
    --grad-mid: #8B5CF6;   
    --grad-end: #06B6D4;   
    --border-color: rgba(255, 255, 255, 0.05);
}

* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Inter', sans-serif; }
body { background: var(--bg-dark); color: var(--text-main); line-height: 1.6; overflow-x: hidden; }

/* Utilities */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: 100px 0; }
.text-center { text-align: center; }
.bg-card { background: var(--bg-card); border-top: 1px solid var(--border-color); border-bottom: 1px solid var(--border-color); }
.mx-auto { margin-left: auto; margin-right: auto; }
.mt-4 { margin-top: 24px; }
.text-muted { color: var(--text-muted); }
.font-bold { font-weight: 800; }
.max-w-form { max-width: 600px; margin: 0 auto; }

/* Gradients */
.gradient-text {
    background: linear-gradient(90deg, var(--grad-start), var(--grad-mid), var(--grad-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Typography */
h1 { font-size: 4rem; line-height: 1.1; margin-bottom: 24px; font-weight: 800; letter-spacing: -1px; }
h2.section-title { font-size: 2.5rem; margin-bottom: 48px; font-weight: 800; }
h3 { font-size: 1.5rem; margin-bottom: 16px; }
p { color: var(--text-muted); }
.hero-subtitle { font-size: 1.25rem; max-width: 700px; margin-bottom: 40px; margin-left: auto; margin-right: auto;}

/* Navigation */
.navbar { position: fixed; top: 0; width: 100%; background: rgba(11, 17, 32, 0.85); backdrop-filter: blur(12px); border-bottom: 1px solid var(--border-color); z-index: 1000; padding: 16px 0; }
.nav-container { display: flex; justify-content: space-between; align-items: center; }
.logo-wrapper { display: flex; align-items: center; }
.logo-text { font-size: 1.6rem; font-weight: 800; letter-spacing: 1px; }
.nav-links a { color: var(--text-main); text-decoration: none; margin-left: 32px; font-weight: 600; transition: color 0.3s; }
.nav-links a:hover { color: var(--grad-end); }

/* Hero */
.hero { padding-top: 180px; padding-bottom: 100px; }

/* Buttons */
.btn { display: inline-block; padding: 16px 32px; border-radius: 50px; text-decoration: none; font-weight: 600; cursor: pointer; border: none; transition: transform 0.3s, box-shadow 0.3s, opacity 0.3s; font-size: 1rem; }
.btn-primary { background: linear-gradient(90deg, var(--grad-start), var(--grad-mid), var(--grad-end)); color: white; }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 20px rgba(139, 92, 246, 0.2); }
.btn-primary:disabled { opacity: 0.7; cursor: not-allowed; transform: none; }
.btn-block { width: 100%; display: block; font-size: 1.1rem;}

/* Grids & Cards */
.grid { display: grid; gap: 32px; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }
.card { background: rgba(255, 255, 255, 0.02); padding: 40px; border-radius: 16px; border: 1px solid var(--border-color); transition: transform 0.3s, border-color 0.3s; }
.card:hover { transform: translateY(-5px); border-color: var(--grad-mid); }

/* Steps */
.step { text-align: center; padding: 24px; }
.step-num { width: 64px; height: 64px; background: linear-gradient(135deg, var(--grad-start), var(--grad-end)); color: white; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.5rem; font-weight: 800; margin: 0 auto 24px; }

/* Benefits */
.benefit-icon { font-size: 2.5rem; margin-bottom: 16px; }

/* Form */
.form-group { margin-bottom: 24px; text-align: left;}
.form-group label { display: block; margin-bottom: 8px; font-weight: 600; }
.form-group input, .form-group textarea { width: 100%; padding: 16px; background: rgba(0,0,0,0.2); border: 1px solid var(--border-color); border-radius: 8px; color: white; outline: none; transition: border-color 0.3s; font-size: 1rem;}
.form-group input:focus, .form-group textarea:focus { border-color: var(--grad-end); }

/* Footer */
.footer { padding: 60px 0 30px; background: #080C17; border-top: 1px solid var(--border-color); }
.footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 40px; border-bottom: 1px solid var(--border-color); padding-bottom: 40px; }
.footer p, .footer a { color: var(--text-muted); text-decoration: none; display: block; margin-bottom: 12px; transition: color 0.3s; }
.footer a:hover { color: var(--grad-end); }

/* Animations */
.fade-in { opacity: 0; transform: translateY(30px); transition: opacity 0.8s ease, transform 0.8s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* Modal (Pop-up) */
.modal { display: none; position: fixed; z-index: 2000; left: 0; top: 0; width: 100%; height: 100%; overflow: auto; background-color: rgba(0, 0, 0, 0.7); backdrop-filter: blur(5px); align-items: center; justify-content: center; }
.modal-content { background-color: var(--bg-card); margin: auto; padding: 40px; border: 1px solid var(--border-color); border-radius: 16px; width: 90%; max-width: 500px; position: relative; box-shadow: 0 20px 40px rgba(0,0,0,0.5); animation: modalFadeIn 0.4s ease; }
@keyframes modalFadeIn { from { opacity: 0; transform: translateY(-20px); } to { opacity: 1; transform: translateY(0); } }
.close-modal { color: var(--text-muted); position: absolute; top: 15px; right: 25px; font-size: 28px; font-weight: bold; cursor: pointer; transition: color 0.3s; }
.close-modal:hover { color: var(--text-main); }

/* Toast Notification */
.toast { visibility: hidden; min-width: 250px; background-color: #10B981; color: white; text-align: center; border-radius: 8px; padding: 16px; position: fixed; z-index: 3000; left: 50%; bottom: 30px; transform: translateX(-50%); font-weight: 600; box-shadow: 0 10px 30px rgba(0,0,0,0.3); }
.toast.show { visibility: visible; animation: fadein 0.5s, fadeout 0.5s 2.5s; }
.toast.error { background-color: #EF4444; }
@keyframes fadein { from {bottom: 0; opacity: 0;} to {bottom: 30px; opacity: 1;} }
@keyframes fadeout { from {bottom: 30px; opacity: 1;} to {bottom: 0; opacity: 0;} }

/* Mobile */
@media (max-width: 768px) {
    h1 { font-size: 2.5rem; }
    .nav-container { flex-direction: column; gap: 16px; }
    .nav-links { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px;}
    .nav-links a { margin: 0; }
    .hero { padding-top: 140px; }
}