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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #0b0e11;
    color: #eaecef;
    line-height: 1.7;
}

a {
    color: #f0b90b;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* Header */
header {
    background-color: #1e2329;
    border-bottom: 1px solid #2b3139;
    height: 56px;
    position: sticky;
    top: 0;
    z-index: 100;
}

header .header-inner {
    height: 100%;
}

.header-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-size: 22px;
    font-weight: 700;
    color: #f0b90b;
    letter-spacing: 1px;
    display: flex;
    align-items: center;
    height: 100%;
}

.logo img {
    height: 48px;
}

nav a {
    margin-left: 28px;
    color: #848e9c;
    font-size: 15px;
    transition: color 0.2s;
}

nav a:hover, nav a.active {
    color: #f0b90b;
    text-decoration: none;
}

/* Hero */
.hero {
    text-align: center;
    padding: 80px 24px 60px;
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 40px;
    font-weight: 700;
    margin-bottom: 20px;
    color: #fff;
}

.hero h1 span {
    color: #f0b90b;
}

.hero p {
    font-size: 18px;
    color: #848e9c;
    margin-bottom: 36px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.btn {
    display: inline-block;
    background-color: #f0b90b;
    color: #0b0e11;
    font-weight: 600;
    font-size: 16px;
    padding: 14px 36px;
    border-radius: 6px;
    transition: background-color 0.2s, transform 0.1s;
}

.btn:hover {
    background-color: #d4a30a;
    text-decoration: none;
    transform: translateY(-1px);
}

/* Cards */
.cards-section {
    max-width: 1100px;
    margin: 0 auto 60px;
    padding: 0 24px;
}

.cards-section h2 {
    text-align: center;
    font-size: 28px;
    margin-bottom: 40px;
    color: #fff;
}

.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.card {
    background-color: #1e2329;
    border: 1px solid #2b3139;
    border-radius: 10px;
    padding: 32px 28px;
    transition: border-color 0.2s, transform 0.2s;
}

.card:hover {
    border-color: #f0b90b;
    transform: translateY(-3px);
}

.card h3 {
    font-size: 20px;
    margin-bottom: 12px;
    color: #fff;
}

.card p {
    color: #848e9c;
    font-size: 15px;
}

.card .number {
    display: inline-block;
    width: 36px;
    height: 36px;
    background-color: #f0b90b;
    color: #0b0e11;
    font-weight: 700;
    border-radius: 50%;
    text-align: center;
    line-height: 36px;
    margin-bottom: 16px;
    font-size: 16px;
}

/* Instructions page */
.instructions {
    max-width: 860px;
    margin: 0 auto;
    padding: 40px 24px 80px;
}

.instructions h1 {
    font-size: 32px;
    margin-bottom: 12px;
    color: #fff;
}

.instructions > p.subtitle {
    color: #848e9c;
    font-size: 16px;
    margin-bottom: 40px;
}

.step {
    background-color: #1e2329;
    border: 1px solid #2b3139;
    border-radius: 10px;
    padding: 32px 28px;
    margin-bottom: 28px;
}

.step h2 {
    font-size: 22px;
    margin-bottom: 16px;
    color: #f0b90b;
}

.step ol, .step ul {
    padding-left: 24px;
    margin-bottom: 12px;
}

.step li {
    margin-bottom: 8px;
    color: #eaecef;
}

.step li b, .step li strong {
    color: #f0b90b;
}

.step img {
    max-width: 100%;
    border-radius: 8px;
    margin-top: 16px;
    border: 1px solid #2b3139;
}

.step .link {
    display: inline-block;
    margin-bottom: 12px;
    word-break: break-all;
    font-size: 14px;
}

/* Summary table */
.summary-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 12px;
}

.summary-table td {
    padding: 10px 14px;
    border-bottom: 1px solid #2b3139;
    color: #eaecef;
    font-size: 15px;
}

.summary-table tr:last-child td {
    border-bottom: none;
}

.summary-table td:first-child {
    color: #848e9c;
    width: 36px;
    text-align: center;
    font-weight: 600;
}

.note {
    background-color: #2b3139;
    border-left: 4px solid #f0b90b;
    padding: 16px 20px;
    border-radius: 0 8px 8px 0;
    margin-top: 24px;
    font-weight: 600;
    color: #f0b90b;
}

/* Footer */
footer {
    text-align: center;
    padding: 28px 24px;
    border-top: 1px solid #2b3139;
    color: #848e9c;
    font-size: 14px;
}

@media (max-width: 600px) {
    .hero h1 {
        font-size: 28px;
    }
    .hero p {
        font-size: 16px;
    }
    .cards {
        grid-template-columns: 1fr;
    }
}