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

body {
    font-family: system-ui, -apple-system, sans-serif;
    background: #0a0a0a;
    color: #e0e0e0;
    min-height: 100vh;
    line-height: 1.6;
}

a {
    color: #60a5fa;
    text-decoration: none;
}

a:hover {
    color: #93c5fd;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ---- Header / Nav ---- */

header {
    background: #111;
    border-bottom: 1px solid #222;
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.logo {
    font-size: 1.2rem;
    font-weight: 600;
    color: #fff;
    letter-spacing: 0.02em;
}

.logo:hover {
    color: #fff;
}

.nav-links {
    display: flex;
    gap: 32px;
}

.nav-links a {
    color: #999;
    font-size: 0.9rem;
    transition: color 0.2s;
}

.nav-links a:hover {
    color: #fff;
}

/* ---- Hero ---- */

.hero {
    padding: 120px 0 100px;
    text-align: center;
    background: linear-gradient(180deg, #0a0a0a 0%, #111 100%);
}

.hero h1 {
    font-size: 3.2rem;
    font-weight: 300;
    letter-spacing: -0.01em;
    margin-bottom: 16px;
    color: #fff;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: #888;
    max-width: 600px;
    margin: 0 auto 40px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
}

/* ---- Buttons ---- */

.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 6px;
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.2s, border-color 0.2s;
    border: 1px solid transparent;
    text-decoration: none;
}

.btn-primary {
    background: #2563eb;
    color: #fff;
    border-color: #2563eb;
}

.btn-primary:hover {
    background: #1d4ed8;
    border-color: #1d4ed8;
    color: #fff;
}

.btn-secondary {
    background: transparent;
    color: #e0e0e0;
    border-color: #444;
}

.btn-secondary:hover {
    border-color: #888;
    color: #fff;
}

/* ---- Sections ---- */

.section {
    padding: 80px 0;
}

.section-alt {
    background: #111;
}

.section-title {
    font-size: 2rem;
    font-weight: 400;
    text-align: center;
    margin-bottom: 48px;
    color: #fff;
}

/* ---- Card Grid ---- */

.card-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.card {
    background: #1a1a1a;
    border: 1px solid #222;
    border-radius: 8px;
    padding: 32px;
}

.card h3 {
    font-size: 1.15rem;
    font-weight: 500;
    color: #fff;
    margin-bottom: 12px;
}

.card p {
    color: #888;
    font-size: 0.95rem;
    line-height: 1.6;
}

/* ---- Stats Row ---- */

.stats-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    text-align: center;
}

.stat-item h3 {
    font-size: 2.2rem;
    font-weight: 300;
    color: #2563eb;
    margin-bottom: 4px;
}

.stat-item p {
    color: #888;
    font-size: 0.9rem;
}

/* ---- CTA Section ---- */

.cta-section {
    text-align: center;
    padding: 80px 0;
}

.cta-section h2 {
    font-size: 2rem;
    font-weight: 400;
    color: #fff;
    margin-bottom: 24px;
}

.cta-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
}

/* ---- Forms ---- */

.form-container {
    max-width: 640px;
    margin: 0 auto;
}

.form-container h1 {
    font-size: 2rem;
    font-weight: 400;
    color: #fff;
    margin-bottom: 8px;
}

.form-container > p {
    color: #888;
    margin-bottom: 32px;
}

form h3 {
    font-size: 1.1rem;
    font-weight: 500;
    color: #ccc;
    margin: 32px 0 16px;
    padding-top: 16px;
    border-top: 1px solid #222;
}

form h3:first-of-type {
    margin-top: 0;
    padding-top: 0;
    border-top: none;
}

label {
    display: block;
    font-size: 0.9rem;
    color: #aaa;
    margin-bottom: 6px;
    margin-top: 16px;
}

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="url"],
input[type="date"],
textarea,
select {
    width: 100%;
    padding: 10px 14px;
    background: #1a1a1a;
    border: 1px solid #333;
    border-radius: 6px;
    color: #e0e0e0;
    font-size: 0.95rem;
    font-family: inherit;
    transition: border-color 0.2s;
}

input:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: #2563eb;
}

select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23888' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

select option {
    background: #1a1a1a;
    color: #e0e0e0;
}

textarea {
    resize: vertical;
    min-height: 80px;
}

.checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: 12px 24px;
    margin-top: 8px;
}

.checkbox-group label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    color: #ccc;
    margin: 0;
    cursor: pointer;
}

.checkbox-group input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: #2563eb;
}

form .btn {
    margin-top: 32px;
    width: 100%;
    text-align: center;
    font-size: 1rem;
    padding: 14px;
}

.text-muted {
    color: #888;
    font-size: 0.9rem;
}

/* ---- Success Message ---- */

.success-message {
    text-align: center;
    padding: 60px 0;
}

.success-message h2 {
    font-size: 1.8rem;
    font-weight: 400;
    color: #fff;
    margin-bottom: 16px;
}

.success-message h2::before {
    content: "";
    display: block;
    width: 48px;
    height: 48px;
    margin: 0 auto 24px;
    border: 2px solid #22c55e;
    border-radius: 50%;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%2322c55e' stroke-width='2'%3E%3Cpath d='M20 6L9 17l-5-5'/%3E%3C/svg%3E") center/24px no-repeat;
}

.success-message p {
    color: #888;
    max-width: 500px;
    margin: 0 auto;
    line-height: 1.7;
}

.success-message .ref-id {
    display: inline-block;
    margin-top: 16px;
    padding: 8px 16px;
    background: #1a1a1a;
    border: 1px solid #333;
    border-radius: 6px;
    font-family: monospace;
    font-size: 0.95rem;
    color: #60a5fa;
}

/* ---- Page Intro ---- */

.page-intro {
    padding: 60px 0 40px;
    text-align: center;
}

.page-intro h1 {
    font-size: 2.4rem;
    font-weight: 300;
    color: #fff;
    margin-bottom: 12px;
}

.page-intro p {
    color: #888;
    max-width: 600px;
    margin: 0 auto;
    font-size: 1.05rem;
}

/* ---- Feature List ---- */

.feature-list {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px 32px;
}

.feature-list li {
    color: #ccc;
    font-size: 0.95rem;
    padding-left: 20px;
    position: relative;
}

.feature-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 8px;
    width: 8px;
    height: 8px;
    background: #2563eb;
    border-radius: 50%;
}

/* ---- Footer ---- */

footer {
    background: #0a0a0a;
    border-top: 1px solid #222;
    margin-top: 80px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    gap: 32px;
    padding: 48px 24px;
}

.footer-section h4 {
    font-size: 0.85rem;
    font-weight: 600;
    color: #fff;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 12px;
}

.footer-section p {
    color: #666;
    font-size: 0.85rem;
}

.footer-section a {
    display: block;
    color: #666;
    font-size: 0.85rem;
    margin-bottom: 6px;
}

.footer-section a:hover {
    color: #999;
}

.footer-bottom {
    border-top: 1px solid #1a1a1a;
    padding: 16px 0;
}

.footer-bottom p {
    color: #444;
    font-size: 0.8rem;
    text-align: center;
}

/* ---- Responsive ---- */

@media (max-width: 768px) {
    .nav {
        flex-direction: column;
        height: auto;
        padding: 16px 0;
        gap: 12px;
    }

    .nav-links {
        gap: 16px;
        flex-wrap: wrap;
        justify-content: center;
    }

    .hero {
        padding: 80px 0 60px;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

    .card-grid {
        grid-template-columns: 1fr;
    }

    .stats-row {
        grid-template-columns: repeat(2, 1fr);
    }

    .feature-list {
        grid-template-columns: 1fr;
    }

    .footer-content {
        flex-direction: column;
    }

    .section {
        padding: 48px 0;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .page-intro h1 {
        font-size: 1.8rem;
    }

    .cta-actions {
        flex-direction: column;
        align-items: center;
    }
}