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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: #FFFFFF;
    color: #1A1A1A;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* ----- Header ----- */
.tmobile-header {
    background: #FFFFFF;
    border-bottom: 1px solid #E5E5E5;
    padding: 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.logo-link {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.tmobile-logo-img {
    height: 40px;
    width: auto;
}

.header-nav {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.header-link {
    color: #1A1A1A;
    text-decoration: none;
    font-size: 0.9375rem;
    font-weight: 500;
    transition: color 0.15s;
    padding: 0.5rem 0;
}

.header-link:hover {
    color: #E20074;
}

/* ----- Hero Banner ----- */
.hero-banner {
    background: #F8F8F8;
    padding: 5rem 2rem;
}

.hero-content {
    max-width: 720px;
    margin: 0 auto;
    text-align: center;
}

.hero-kicker {
    display: inline-block;
    font-size: 0.8125rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: #E20074;
    margin-bottom: 1rem;
}

.hero-content h1 {
    font-size: 3rem;
    font-weight: 800;
    color: #1A1A1A;
    line-height: 1.15;
    letter-spacing: -0.02em;
    margin-bottom: 1.25rem;
}

.hero-desc {
    font-size: 1.1875rem;
    color: #555;
    line-height: 1.7;
    max-width: 560px;
    margin: 0 auto;
}

/* ----- Section Shared ----- */
.section-inner {
    max-width: 960px;
    margin: 0 auto;
    padding: 5rem 2rem;
}

.section-inner h2 {
    font-size: 2.25rem;
    font-weight: 700;
    color: #1A1A1A;
    text-align: center;
    letter-spacing: -0.015em;
    margin-bottom: 2.5rem;
}

.section-sub {
    text-align: center;
    font-size: 1.0625rem;
    color: #666;
    max-width: 520px;
    margin: -1.5rem auto 3rem;
    line-height: 1.6;
}

/* ----- Benefits ----- */
.benefits-section {
    background: #FFFFFF;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
}

.benefit-card {
    background: #FFFFFF;
    border: 1px solid #EBEBEB;
    border-radius: 12px;
    padding: 2rem;
    transition: box-shadow 0.2s, border-color 0.2s;
}

.benefit-card:hover {
    border-color: #E20074;
    box-shadow: 0 2px 16px rgba(226,0,116,0.06);
}

.benefit-card h3 {
    font-size: 1.0625rem;
    font-weight: 700;
    color: #1A1A1A;
    margin-bottom: 0.5rem;
}

.benefit-card p {
    font-size: 0.9375rem;
    color: #666;
    line-height: 1.6;
    margin: 0;
}

/* ----- Steps ----- */
.steps-section {
    background: #FAFAFA;
}

.steps-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    flex-wrap: wrap;
    margin-bottom: 2.5rem;
}

.step-card {
    background: #FFFFFF;
    border: 1px solid #EBEBEB;
    border-radius: 12px;
    padding: 1.75rem;
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    width: 260px;
    transition: box-shadow 0.2s, border-color 0.2s;
}

.step-card:hover {
    border-color: #E20074;
    box-shadow: 0 2px 16px rgba(226,0,116,0.06);
}

.step-marker {
    width: 36px;
    height: 36px;
    background: #E20074;
    color: #FFFFFF;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1rem;
    flex-shrink: 0;
}

.step-body h3 {
    font-size: 0.9375rem;
    font-weight: 700;
    color: #1A1A1A;
    margin-bottom: 0.375rem;
    margin-top: 0.3125rem;
}

.step-body p {
    font-size: 0.875rem;
    color: #666;
    line-height: 1.5;
    margin: 0;
}

.step-body kbd {
    display: inline-block;
    padding: 0.125rem 0.5rem;
    font-family: 'Inter', sans-serif;
    font-size: 0.8125rem;
    font-weight: 600;
    color: #1A1A1A;
    background: #F0F0F0;
    border: 1px solid #D5D5D5;
    border-radius: 4px;
}

.step-arrow {
    flex-shrink: 0;
    padding: 0 0.5rem;
}

/* ----- Clipboard Banner ----- */
.clipboard-banner {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.625rem;
    padding: 1rem 1.5rem;
    background: #FFF5F9;
    border: 1px solid #F8C8DB;
    border-radius: 10px;
    font-size: 0.9375rem;
    font-weight: 500;
    color: #E20074;
    text-align: center;
}

.clipboard-banner svg {
    flex-shrink: 0;
}

/* ----- Footer ----- */
.page-footer {
    background: #1A1A1A;
    padding: 3rem 2rem;
}

.footer-inner {
    max-width: 960px;
    margin: 0 auto;
    text-align: center;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 2.5rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.footer-link {
    color: #999;
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: color 0.15s;
}

.footer-link:hover {
    color: #FFFFFF;
}

.footer-copy {
    color: #666;
    font-size: 0.8125rem;
}

/* ----- Responsive ----- */
@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 2rem;
    }

    .hero-banner {
        padding: 3rem 1.25rem;
    }

    .section-inner {
        padding: 3rem 1.25rem;
    }

    .section-inner h2 {
        font-size: 1.75rem;
    }

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

    .steps-container {
        flex-direction: column;
        align-items: stretch;
    }

    .step-card {
        width: 100%;
    }

    .step-arrow {
        transform: rotate(90deg);
        padding: 0.25rem 0;
        align-self: center;
    }

    .header-container {
        padding: 0 1.25rem;
    }

    .header-nav {
        gap: 1.25rem;
    }
}