:root {
    --primary: #2563EB;
    --primary-dark: #1D4ED8;
    --accent: #60A5FA;
    --bg: #0F172A;
    --card-bg: rgba(255, 255, 255, 0.03);
    --border: rgba(255, 255, 255, 0.1);
    --text-white: #F8FAFC;
    --text-dim: #94A3B8;
}

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

body {
    background-color: var(--bg);
    color: var(--text-white);
    font-family: 'Inter', sans-serif;
    overflow-x: hidden;
    scroll-behavior: smooth;
}

.glow-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 80% 20%, rgba(37, 99, 235, 0.15) 0%, transparent 40%),
        radial-gradient(circle at 10% 80%, rgba(37, 99, 235, 0.1) 0%, transparent 40%);
    z-index: -1;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* NAV */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 40px 24px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: white;
    font-weight: 800;
    font-size: 1.5rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-dim);
    margin-left: 30px;
    font-weight: 600;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: white;
}

/* HERO */
.hero {
    padding: 100px 0 60px;
    text-align: center;
}

.badge {
    background: rgba(37, 99, 235, 0.1);
    color: var(--accent);
    padding: 8px 20px;
    border-radius: 100px;
    font-size: 0.9rem;
    font-weight: 600;
    border: 1px solid rgba(37, 99, 235, 0.2);
    display: inline-block;
    margin-bottom: 30px;
}

h1 {
    font-size: clamp(3rem, 8vw, 5rem);
    font-weight: 800;
    line-height: 1;
    letter-spacing: -0.05em;
    margin-bottom: 24px;
}

h1 span {
    background: linear-gradient(to right, #60A5FA, #2563EB);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-dim);
    max-width: 700px;
    margin: 0 auto 48px;
}

.hero-actions {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.btn-primary {
    background: var(--primary);
    color: white;
    padding: 20px 40px;
    border-radius: 16px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.2rem;
    box-shadow: 0 20px 40px rgba(37, 99, 235, 0.3);
    transition: all 0.3s;
}

.btn-primary:hover {
    transform: translateY(-4px);
    background: var(--primary-dark);
    box-shadow: 0 25px 50px rgba(37, 99, 235, 0.4);
}

.btn-outline {
    border: 1px solid var(--border);
    padding: 10px 24px;
    border-radius: 12px;
    transition: all 0.3s;
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.05);
}

.trust-pill {
    color: var(--text-dim);
    font-size: 0.9rem;
}

/* PREVIEW CARD */
.preview-section {
    margin: 100px 0;
}

.preview-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    backdrop-filter: blur(10px);
    border-radius: 24px;
    overflow: hidden;
    max-width: 900px;
    margin: 0 auto;
    box-shadow: 0 40px 100px rgba(0, 0, 0, 0.3);
}

.card-header {
    background: rgba(255, 255, 255, 0.05);
    padding: 16px 24px;
    display: flex;
    align-items: center;
    gap: 20px;
}

.dots {
    display: flex;
    gap: 8px;
}

.dots span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
}

.url-bar {
    background: rgba(0, 0, 0, 0.2);
    padding: 6px 20px;
    border-radius: 8px;
    flex: 1;
    font-size: 0.8rem;
    color: var(--text-dim);
}

.card-body {
    padding: 60px;
}

.card-body p {
    font-size: 1.8rem;
    line-height: 1.5;
    color: var(--text-dim);
}

.card-body b {
    color: white;
}

.controls {
    margin-top: 60px;
    display: flex;
    align-items: center;
    gap: 20px;
    background: rgba(255, 255, 255, 0.02);
    padding: 20px;
    border-radius: 16px;
}

/* FEATURES */
.features {
    padding: 100px 0;
}

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

.feature-item {
    background: var(--card-bg);
    border: 1px solid var(--border);
    padding: 40px;
    border-radius: 24px;
    transition: all 0.3s;
}

.feature-item:hover {
    border-color: var(--primary);
    transform: scale(1.02);
}

.feature-item .icon {
    font-size: 2.5rem;
    margin-bottom: 24px;
}

.feature-item h3 {
    margin-bottom: 16px;
    font-size: 1.5rem;
}

.feature-item p {
    color: var(--text-dim);
}

/* CONTACT */
.contact-section {
    max-width: 600px;
    margin: 100px auto;
    text-align: center;
}

.contact-section h2 {
    font-size: 3rem;
    margin-bottom: 16px;
}

.contact-form {
    margin-top: 40px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact-form input, 
.contact-form textarea {
    background: var(--card-bg);
    border: 1px solid var(--border);
    padding: 16px;
    border-radius: 12px;
    color: white;
    font-family: inherit;
    font-size: 1rem;
}

.contact-form button {
    cursor: pointer;
    border: none;
}

/* FOOTER */
footer {
    padding: 100px 0 50px;
    border-top: 1px solid var(--border);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-dim);
}

.socials a {
    color: var(--text-dim);
    text-decoration: none;
    margin-left: 20px;
}

@media (max-width: 768px) {
    h1 { font-size: 3rem; }
    .card-body { padding: 30px; }
    .card-body p { font-size: 1.2rem; }
    .footer-content { flex-direction: column; gap: 20px; }
}