/* SteuerLedger Landing Page -- Mobile-First */

/* ---- Reset & Base ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: #1a1a2e;
    color: #e0e0e0;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a { color: #e94560; text-decoration: none; }
a:hover { text-decoration: underline; }

.container {
    max-width: 960px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ---- Navigation ---- */
.top-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(26, 26, 46, 0.95);
    backdrop-filter: blur(8px);
    z-index: 100;
    border-bottom: 1px solid #2a2a4a;
}

.nav-inner {
    max-width: 960px;
    margin: 0 auto;
    padding: 12px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    font-size: 18px;
    font-weight: 700;
    color: #e94560;
    text-decoration: none;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.nav-login {
    font-size: 14px;
    color: #ccc;
    text-decoration: none;
    font-weight: 500;
}
.nav-login:hover {
    color: #fff;
}

.nav-cta {
    font-size: 14px;
    padding: 8px 16px;
    background: #e94560;
    color: #fff;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
}
.nav-cta:hover {
    background: #d13a54;
    text-decoration: none;
}

/* ---- Buttons ---- */
.btn {
    display: inline-block;
    padding: 14px 28px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: background 0.2s;
    min-width: 44px;
    min-height: 44px;
    text-align: center;
}

.btn-primary {
    background: #e94560;
    color: #fff;
}
.btn-primary:hover {
    background: #d13a54;
    text-decoration: none;
}

.btn-secondary {
    background: transparent;
    color: #e0e0e0;
    border: 1px solid #4a4a6a;
}
.btn-secondary:hover {
    background: #2a2a4a;
    text-decoration: none;
}

.btn-large {
    padding: 18px 36px;
    font-size: 18px;
}

/* ---- Hero ---- */
.hero {
    padding: 120px 0 60px;
    text-align: center;
}

.hero h1 {
    font-size: 32px;
    font-weight: 800;
    color: #fff;
    margin-bottom: 16px;
    line-height: 1.2;
}

.hero-sub {
    font-size: 18px;
    color: #b0b0c0;
    margin-bottom: 32px;
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
}

.hero-ctas {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 24px;
}

.hero-trust {
    font-size: 14px;
    color: #8080a0;
    margin-bottom: 40px;
}

.hero-visual {
    max-width: 700px;
    margin: 0 auto;
}

.hero-placeholder {
    background: linear-gradient(135deg, #16213e 0%, #0f3460 50%, #16213e 100%);
    border: 1px solid #2a2a4a;
    border-radius: 12px;
    height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.placeholder-label {
    color: #4a4a6a;
    font-size: 16px;
    font-weight: 600;
}

/* ---- Problem Section ---- */
.problem {
    padding: 80px 0;
    background: #16213e;
}

.problem h2 {
    font-size: 28px;
    color: #fff;
    text-align: center;
    margin-bottom: 24px;
}

.problem-copy {
    font-size: 17px;
    color: #b0b0c0;
    text-align: center;
    max-width: 600px;
    margin: 0 auto 16px;
}

.pain-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
    margin-top: 40px;
}

.pain-card {
    background: #1a1a2e;
    border: 1px solid #2a2a4a;
    border-radius: 10px;
    padding: 24px;
}

.pain-icon {
    font-size: 28px;
    display: block;
    margin-bottom: 8px;
}

.pain-card h3 {
    font-size: 17px;
    color: #fff;
    margin-bottom: 6px;
}

.pain-card p {
    font-size: 15px;
    color: #9090b0;
}

/* ---- How It Works ---- */
.how-it-works {
    padding: 80px 0;
}

.how-it-works h2 {
    font-size: 28px;
    color: #fff;
    text-align: center;
    margin-bottom: 48px;
}

.steps {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
}

.step {
    text-align: center;
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: #e94560;
    color: #fff;
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 16px;
}

.step h3 {
    font-size: 20px;
    color: #fff;
    margin-bottom: 8px;
}

.step p {
    font-size: 15px;
    color: #9090b0;
}

/* ---- Differentiators ---- */
.differentiators {
    padding: 80px 0;
    background: #16213e;
}

.differentiators h2 {
    font-size: 28px;
    color: #fff;
    text-align: center;
    margin-bottom: 48px;
}

.diff-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
}

.diff-card {
    background: #1a1a2e;
    border: 1px solid #2a2a4a;
    border-radius: 10px;
    padding: 24px;
}

.diff-icon {
    font-size: 28px;
    display: block;
    margin-bottom: 8px;
}

.diff-card h3 {
    font-size: 17px;
    color: #fff;
    margin-bottom: 6px;
}

.diff-card p {
    font-size: 15px;
    color: #9090b0;
}

/* ---- Trust Bar ---- */
.trust-bar {
    padding: 32px 0;
    border-top: 1px solid #2a2a4a;
    border-bottom: 1px solid #2a2a4a;
}

.trust-badges {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
}

.trust-badge {
    font-size: 14px;
    color: #8080a0;
    white-space: nowrap;
}

/* ---- Pricing ---- */
.pricing {
    padding: 80px 0;
}

.pricing h2 {
    font-size: 28px;
    color: #fff;
    text-align: center;
    margin-bottom: 48px;
}

.pricing-cards {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    max-width: 600px;
    margin: 0 auto;
}

.pricing-card {
    background: #16213e;
    border: 1px solid #2a2a4a;
    border-radius: 12px;
    padding: 32px;
    text-align: center;
}

.pricing-card h3 {
    font-size: 22px;
    color: #fff;
    margin-bottom: 12px;
}

.pricing-feature {
    font-size: 16px;
    color: #e0e0e0;
    margin-bottom: 8px;
}

.pricing-detail {
    font-size: 14px;
    color: #8080a0;
    margin-bottom: 24px;
}

.pricing-card-paid {
    border-color: #e94560;
}

.pricing-disclaimer {
    text-align: center;
    font-size: 13px;
    color: #606088;
    margin-top: 24px;
}

/* ---- FAQ ---- */
.faq {
    padding: 80px 0;
    background: #16213e;
}

.faq h2 {
    font-size: 28px;
    color: #fff;
    text-align: center;
    margin-bottom: 48px;
}

.faq-item {
    border-bottom: 1px solid #2a2a4a;
    max-width: 700px;
    margin: 0 auto;
}

.faq-item summary {
    padding: 20px 0;
    font-size: 17px;
    color: #e0e0e0;
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    min-height: 44px;
}

.faq-item summary::after {
    content: "+";
    font-size: 20px;
    color: #e94560;
    flex-shrink: 0;
    margin-left: 16px;
}

.faq-item[open] summary::after {
    content: "\2212";
}

.faq-item p {
    padding: 0 0 20px;
    font-size: 15px;
    color: #9090b0;
    line-height: 1.6;
}

/* ---- Final CTA ---- */
.final-cta {
    padding: 80px 0;
    text-align: center;
}

.final-cta h2 {
    font-size: 32px;
    color: #fff;
    margin-bottom: 12px;
}

.final-cta p {
    font-size: 17px;
    color: #b0b0c0;
    margin-bottom: 32px;
}

/* ---- Footer ---- */
.site-footer {
    padding: 40px 0;
    border-top: 1px solid #2a2a4a;
}

.footer-links {
    display: flex;
    gap: 24px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.footer-links a {
    font-size: 14px;
    color: #8080a0;
}
.footer-links a:hover {
    color: #e94560;
}

.footer-disclaimer {
    text-align: center;
    font-size: 12px;
    color: #606080;
    max-width: 600px;
    margin: 0 auto 12px;
    line-height: 1.5;
}

.footer-copy {
    text-align: center;
    font-size: 12px;
    color: #404060;
}

/* ---- Legal Pages ---- */
.legal-page {
    padding: 100px 0 60px;
}

.legal-page h1 {
    font-size: 28px;
    color: #fff;
    margin-bottom: 8px;
}

.legal-page h2 {
    font-size: 18px;
    color: #e0e0e0;
    margin-top: 32px;
    margin-bottom: 8px;
}

.legal-page p {
    font-size: 15px;
    color: #9090b0;
    margin-bottom: 8px;
    line-height: 1.6;
}

/* ---- Responsive: Tablet ---- */
@media (min-width: 600px) {
    .pain-grid {
        grid-template-columns: 1fr 1fr;
    }

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

    .pricing-cards {
        grid-template-columns: 1fr 1fr;
    }

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

/* ---- Responsive: Desktop ---- */
@media (min-width: 960px) {
    .hero h1 {
        font-size: 44px;
    }

    .hero-sub {
        font-size: 20px;
    }

    .hero-placeholder {
        height: 400px;
    }

    .problem h2,
    .how-it-works h2,
    .differentiators h2,
    .pricing h2,
    .faq h2 {
        font-size: 34px;
    }

    .final-cta h2 {
        font-size: 38px;
    }
}