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

:root {
    --color-primary: #1B2B3A;
    --color-primary-light: #2A3F52;
    --color-bg: #F8F9FA;
    --color-bg-alt: #F0F2F4;
    --color-text: #1B2B3A;
    --color-text-secondary: #556270;
    --color-text-muted: #8B95A1;
    --color-border: #DEE2E6;
    --color-accent: #2D8A56;
    --color-accent-bg: #E8F5EE;
    --color-warning: #C4841D;
    --color-warning-bg: #FFF4E5;
    --color-danger: #C13030;
    --color-danger-bg: #FDE8E8;
    --color-white: #FFFFFF;
    --font-display: 'Archivo', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

html {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.6;
}

a {
    text-decoration: none;
    color: currentColor;
}

.container {
    max-width: 72rem;
    margin: 0 auto;
    padding: 0 1.5rem;
}

nav {
    height: 4rem;
    padding: 0 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(248, 249, 250, 0.92);
    backdrop-filter: blur(12px);
}

.nav-inner {
    max-width: 72rem;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-brand {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-brand svg {
    width: 22px;
    height: 22px;
    color: var(--color-accent);
}

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

.nav-links a {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    transition: color 0.15s;
}

.nav-links a:hover {
    color: var(--color-text);
}

.nav-cta {
    font-family: var(--font-display);
    font-size: 0.85rem;
    font-weight: 600;
    padding: 0.4rem 1.1rem;
    border: 1px solid var(--color-primary);
    border-radius: 6px;
    transition: all 0.15s;
}

.nav-cta:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

.hero {
    padding: 6rem 1.5rem 4rem;
    text-align: center;
}

.hero-inner {
    max-width: 48rem;
    margin: 0 auto;
}

.hero-eyebrow {
    font-family: var(--font-display);
    font-size: 0.8rem;
    letter-spacing: 0.12em;
    color: var(--color-accent);
    margin-bottom: 1.5rem;
    text-transform: uppercase;
}

.hero h1 {
    font-family: var(--font-display);
    font-size: 3.25rem;
    font-weight: 700;
    line-height: 1.1;
    color: var(--color-primary);
    margin-bottom: 1.25rem;
}

.hero-sub {
    font-size: 1.15rem;
    line-height: 1.65;
    color: var(--color-text-secondary);
    max-width: 36rem;
    margin: 0 auto 2.5rem;
}

.hero-cta {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3.5rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.65rem 1.5rem;
    border-radius: 8px;
    font-family: var(--font-display);
    font-size: 0.9rem;
    font-weight: 600;
    transition: all 0.15s;
    border: 1px solid transparent;
}

.btn-primary {
    background: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
}

.btn-primary:hover {
    background: transparent;
    color: var(--color-primary);
}

.btn-outline {
    background: transparent;
    color: var(--color-primary);
    border-color: var(--color-border);
}

.btn-outline:hover {
    border-color: var(--color-primary);
}

.stats-bar {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 3rem;
    padding: 2rem 1.5rem;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.stat {
    text-align: center;
}

.stat-num {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-primary);
    display: block;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

.apps {
    padding: 3rem 1.5rem;
    text-align: center;
}

.apps-label {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.app-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem;
}

.app-tag {
    padding: 0.35rem 0.75rem;
    border-radius: 100px;
    font-size: 0.8rem;
    color: var(--color-text-secondary);
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
}

.section {
    padding: 5rem 1.5rem;
}

.section-alt {
    background: var(--color-bg-alt);
}

.section-label {
    font-family: var(--font-display);
    font-size: 0.8rem;
    letter-spacing: 0.12em;
    color: var(--color-text-muted);
    text-transform: uppercase;
    margin-bottom: 0.75rem;
    text-align: center;
}

.section-title {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 3rem;
}

.upload-zone {
    max-width: 560px;
    margin: 0 auto 2.5rem;
    padding: 3rem 2rem;
    border: 2px dashed var(--color-border);
    border-radius: 12px;
    background: var(--color-white);
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s;
    text-align: center;
}

.upload-zone:hover,
.upload-zone.drag-over {
    border-color: var(--color-accent);
    background: var(--color-accent-bg);
}

.upload-zone svg {
    width: 40px;
    height: 40px;
    color: var(--color-text-muted);
    margin-bottom: 0.75rem;
}

.upload-text {
    font-weight: 500;
    margin-bottom: 0.25rem;
}

.upload-hint {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

.examples {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    max-width: 800px;
    margin: 0 auto;
}

.example {
    text-align: center;
    padding: 1.25rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    background: var(--color-white);
}

.example-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 0.75rem;
    border-radius: 10px;
    background: var(--color-bg-alt);
    display: flex;
    align-items: center;
    justify-content: center;
}

.example-icon svg {
    width: 22px;
    height: 22px;
    color: var(--color-text-muted);
}

.example strong {
    display: block;
    font-size: 0.8rem;
    margin-bottom: 0.2rem;
}

.example span {
    font-size: 0.72rem;
    color: var(--color-text-muted);
    line-height: 1.4;
}

.steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
    max-width: 56rem;
    margin: 0 auto;
}

.step-num {
    font-family: var(--font-display);
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    color: var(--color-text-muted);
    margin-bottom: 0.75rem;
}

.step-icon {
    width: 56px;
    height: 56px;
    margin-bottom: 1rem;
    border-radius: 12px;
    background: var(--color-bg-alt);
    display: flex;
    align-items: center;
    justify-content: center;
}

.section-alt .step-icon {
    background: var(--color-white);
}

.step-icon svg {
    width: 26px;
    height: 26px;
    color: var(--color-primary);
}

.step h3 {
    font-family: var(--font-display);
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.step p {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.results {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    max-width: 60rem;
    margin: 0 auto;
}

.result {
    text-align: left;
    border-radius: 8px;
    overflow: hidden;
    border-left: 4px solid;
    background: var(--color-white);
}

.result-safe { border-left-color: var(--color-accent); }
.result-warning { border-left-color: var(--color-warning); }
.result-danger { border-left-color: var(--color-danger); }

.result-head {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1.25rem 1.25rem 0;
}

.result-head svg {
    width: 20px;
    height: 20px;
}

.result-safe .result-head svg { color: var(--color-accent); }
.result-warning .result-head svg { color: var(--color-warning); }
.result-danger .result-head svg { color: var(--color-danger); }

.result-status {
    font-family: var(--font-display);
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.result-safe .result-status { color: var(--color-accent); }
.result-warning .result-status { color: var(--color-warning); }
.result-danger .result-status { color: var(--color-danger); }

.result-body {
    padding: 1rem 1.25rem;
}

.result-name {
    font-weight: 600;
    margin-bottom: 0.4rem;
}

.result-detail {
    font-size: 0.8rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

.result-foot {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.75rem 1.25rem;
    border-top: 1px solid var(--color-border);
    font-size: 0.72rem;
    color: var(--color-text-muted);
}

.result-foot svg {
    width: 12px;
    height: 12px;
}

.trust-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    max-width: 60rem;
    margin: 0 auto;
}

.trust-item {
    text-align: center;
}

.trust-item svg {
    width: 28px;
    height: 28px;
    color: var(--color-primary);
    margin-bottom: 0.75rem;
}

.trust-item h3 {
    font-family: var(--font-display);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 0.4rem;
}

.trust-item p {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    line-height: 1.55;
}

.faq-list {
    max-width: 640px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid var(--color-border);
    padding: 1.25rem 0;
}

.faq-item summary {
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary::after {
    content: '+';
    font-family: var(--font-display);
    font-size: 1.25rem;
    color: var(--color-text-muted);
}

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

.faq-item p {
    margin-top: 0.75rem;
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    line-height: 1.65;
}

.cta-banner {
    padding: 5rem 1.5rem;
    text-align: center;
    background: var(--color-primary);
    color: var(--color-white);
}

.cta-banner h2 {
    font-family: var(--font-display);
    font-size: 2.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.cta-banner p {
    color: var(--color-text-muted);
    margin-bottom: 2rem;
}

.cta-banner .btn-primary {
    background: var(--color-accent);
    border-color: var(--color-accent);
}

.cta-banner .btn-primary:hover {
    background: transparent;
    color: var(--color-white);
    border-color: var(--color-white);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    max-width: 56rem;
    margin: 2.5rem auto 0;
}

.pricing-card {
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 2rem 1.5rem;
    background: var(--color-white);
    text-align: center;
    position: relative;
}

.pricing-card.featured {
    border-color: var(--color-primary);
    box-shadow: 0 4px 20px rgba(27, 43, 58, 0.08);
}

.pricing-card.featured::before {
    content: 'MOST POPULAR';
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    font-family: var(--font-display);
    font-size: 0.65rem;
    letter-spacing: 0.1em;
    padding: 0.2rem 0.6rem;
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: 100px;
}

.pricing-tier {
    font-family: var(--font-display);
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    color: var(--color-text-muted);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
}

.pricing-price {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 0.25rem;
}

.pricing-price span {
    font-size: 1rem;
    color: var(--color-text-muted);
}

.pricing-unit {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin-bottom: 1.5rem;
}

.pricing-features {
    list-style: none;
    text-align: left;
    margin-bottom: 1.5rem;
}

.pricing-features li {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    padding: 0.4rem 0;
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.pricing-features li::before {
    content: '';
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--color-accent);
    flex-shrink: 0;
}

footer {
    padding: 3rem 1.5rem 2rem;
    background: var(--color-primary);
    color: var(--color-text-muted);
}

.footer-inner {
    max-width: 72rem;
    margin: 0 auto;
}

.footer-top {
    display: flex;
    justify-content: space-between;
    padding-bottom: 2rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand-text {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: 0.5rem;
}

.footer-tagline {
    font-size: 0.8rem;
    max-width: 280px;
}

.footer-cols {
    display: flex;
    gap: 4rem;
}

.footer-col h4 {
    font-family: var(--font-display);
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-white);
    margin-bottom: 0.75rem;
}

.footer-col a {
    display: block;
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin-bottom: 0.5rem;
    transition: color 0.15s;
}

.footer-col a:hover {
    color: var(--color-white);
}

.footer-bottom {
    padding-top: 1.5rem;
    font-size: 0.7rem;
    line-height: 1.6;
    color: rgba(139, 149, 161, 0.6);
}

.footer-bottom p + p {
    margin-top: 0.25rem;
}

.detail-section {
    padding: 4rem 1.5rem;
}

.detail-section:nth-child(even) {
    background: var(--color-bg-alt);
}

.detail-row {
    max-width: 56rem;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 100px 1fr;
    gap: 2.5rem;
    align-items: start;
}

.detail-step {
    text-align: center;
}

.detail-num {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-text-muted);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.detail-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto;
    border-radius: 12px;
    background: var(--color-bg-alt);
    display: flex;
    align-items: center;
    justify-content: center;
}

.detail-section:nth-child(even) .detail-icon {
    background: var(--color-white);
}

.detail-icon svg {
    width: 28px;
    height: 28px;
    color: var(--color-primary);
}

.detail-content h2 {
    font-family: var(--font-display);
    font-size: 1.35rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.detail-content p {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: 1rem;
}

.detail-list {
    list-style: none;
    margin-top: 1rem;
}

.detail-list li {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    padding: 0.35rem 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.detail-list li::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--color-accent);
    flex-shrink: 0;
}

.limitations {
    max-width: 640px;
    margin: 0 auto;
    padding: 4rem 1.5rem;
    text-align: center;
}

.limitations h2 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.limitations p {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: 0.75rem;
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.25rem;
    }

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

    .stats-bar {
        flex-direction: column;
        gap: 1.5rem;
    }

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

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

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

    .footer-top {
        flex-direction: column;
        gap: 2rem;
    }

    .footer-cols {
        gap: 2rem;
    }

    .nav-links a:not(.nav-cta) {
        display: none;
    }

    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 360px;
    }

    .detail-row {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .detail-step {
        display: flex;
        align-items: center;
        gap: 1rem;
    }

    .detail-icon {
        margin: 0;
    }
}

@media (max-width: 480px) {
    .trust-grid {
        grid-template-columns: 1fr;
    }

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

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