/* Hero Section */
.hero {
    min-height: 100vh;
    padding: 140px 0 80px;
    display: flex;
    align-items: center;
    border-bottom: 1px solid #e5e5e5;
    position: relative;
}

.hero-grid {
    width: 100%;
}

.hero-label {
    font-family: ui-monospace, Menlo, Consolas, monospace;
    font-size: 0.75rem;
    letter-spacing: 0.15em;
    color: #525252;
    text-transform: uppercase;
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.hero-label::before {
    content: '';
    width: 24px;
    height: 1px;
    background: #0a0a0a;
}

.hero-title {
    font-size: clamp(3rem, 9vw, 8rem);
    font-weight: 700;
    line-height: 0.95;
    letter-spacing: -0.05em;
    color: #0a0a0a;
    margin-bottom: 2rem;
    animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: #525252;
    line-height: 1.5;
    max-width: 540px;
    margin-bottom: 3rem;
    animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.15s both;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.3s both;
}

.hero-meta {
    position: absolute;
    bottom: 48px;
    right: 48px;
    font-family: ui-monospace, Menlo, Consolas, monospace;
    font-size: 0.75rem;
    color: #a3a3a3;
    letter-spacing: 0.05em;
    text-align: right;
    line-height: 1.8;
}

/* Features Section */
.features {
    padding: 8rem 0;
    border-bottom: 1px solid #e5e5e5;
}

.features-header {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin-bottom: 6rem;
    align-items: end;
}

.features-list {
    display: flex;
    flex-direction: column;
}

.feature-row {
    display: grid;
    grid-template-columns: 60px 1fr 1.2fr 220px;
    gap: 2rem;
    padding: 3rem 0;
    border-top: 1px solid #e5e5e5;
    align-items: center;
}

.feature-row:last-child {
    border-bottom: 1px solid #e5e5e5;
}

.feature-number {
    font-family: ui-monospace, Menlo, Consolas, monospace;
    font-size: 0.75rem;
    color: #a3a3a3;
    letter-spacing: 0.1em;
}

.feature-title {
    font-size: 2rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    color: #0a0a0a;
    line-height: 1.1;
}

.feature-desc {
    color: #525252;
    font-size: 1rem;
    line-height: 1.6;
}

.feature-image {
    width: 100%;
    aspect-ratio: 1;
    background: #fafafa;
    border: 1px solid #e5e5e5;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.feature-image img {
    width: 60%;
    height: auto;
    filter: grayscale(1) contrast(1.05);
    opacity: 0.85;
}

/* Security Section */
.security {
    padding: 10rem 0;
    background: #fafafa;
    border-bottom: 1px solid #e5e5e5;
}

.security-content {
    max-width: 900px;
}

.security-title {
    font-size: clamp(2.5rem, 5vw, 5rem);
    font-weight: 700;
    letter-spacing: -0.04em;
    line-height: 1;
    margin-bottom: 3rem;
    color: #0a0a0a;
}

.security-meta {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    padding-top: 3rem;
    border-top: 1px solid #0a0a0a;
    max-width: 600px;
}

.security-meta-item h4 {
    font-family: ui-monospace, Menlo, Consolas, monospace;
    font-size: 0.75rem;
    color: #525252;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 0.5rem;
    font-weight: 400;
}

.security-meta-item p {
    font-size: 1rem;
    color: #0a0a0a;
}

/* Use Cases Section */
.use-cases {
    padding: 8rem 0;
    border-bottom: 1px solid #e5e5e5;
}

.use-cases-table {
    margin-top: 4rem;
}

.use-case-row {
    display: grid;
    grid-template-columns: 60px 60px 1.5fr 2fr;
    gap: 2rem;
    padding: 2.5rem 0;
    border-top: 1px solid #e5e5e5;
    align-items: center;
    transition: background 0.2s ease;
}

.use-case-row:last-child {
    border-bottom: 1px solid #e5e5e5;
}

.use-case-row:hover {
    background: #fafafa;
}

.use-case-number {
    font-family: ui-monospace, Menlo, Consolas, monospace;
    font-size: 0.75rem;
    color: #a3a3a3;
}

.use-case-avatar {
    width: 48px;
    height: 48px;
    overflow: hidden;
    background: #fafafa;
    border: 1px solid #e5e5e5;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.use-case-avatar img {
    width: 80%;
    height: auto;
    filter: grayscale(1) contrast(1.05);
}

.use-case-title {
    font-size: 1.125rem;
    font-weight: 500;
    color: #0a0a0a;
    margin-bottom: 0.25rem;
}

.use-case-desc {
    font-size: 0.875rem;
    color: #525252;
}

.use-case-quote {
    font-size: 0.95rem;
    color: #525252;
    font-style: italic;
    line-height: 1.5;
}

/* CTA Section */
.cta {
    padding: 10rem 0;
    background: #0a0a0a;
    color: #ffffff;
}

.cta-content {
    max-width: 900px;
}

.cta-label {
    font-family: ui-monospace, Menlo, Consolas, monospace;
    font-size: 0.75rem;
    letter-spacing: 0.15em;
    color: #a3a3a3;
    text-transform: uppercase;
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.cta-label::before {
    content: '';
    width: 24px;
    height: 1px;
    background: #ffffff;
}

.cta-title {
    font-size: clamp(2.5rem, 6vw, 6rem);
    font-weight: 700;
    line-height: 1;
    letter-spacing: -0.04em;
    margin-bottom: 2rem;
    color: #ffffff;
}

.cta-subtitle {
    font-size: 1.125rem;
    color: #a3a3a3;
    margin-bottom: 3rem;
    max-width: 500px;
    line-height: 1.5;
}

.cta .btn-primary {
    background: #ffffff;
    color: #0a0a0a;
}

.cta .btn-primary:hover {
    background: #a3a3a3;
}

/* Responsive */
@media (max-width: 768px) {
    .hero {
        min-height: auto;
        padding: 120px 0 60px;
    }

    .hero-title {
        font-size: clamp(2.5rem, 12vw, 4rem);
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-meta {
        position: static;
        text-align: left;
        margin-top: 3rem;
    }

    .features,
    .use-cases {
        padding: 5rem 0;
    }

    .features-header {
        grid-template-columns: 1fr;
        gap: 2rem;
        margin-bottom: 3rem;
    }

    .feature-row {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        padding: 2rem 0;
    }

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

    .feature-image {
        max-width: 200px;
    }

    .security {
        padding: 5rem 0;
    }

    .security-meta {
        grid-template-columns: 1fr;
    }

    .use-case-row {
        grid-template-columns: 40px 1fr;
        gap: 1rem;
        padding: 2rem 0;
    }

    .use-case-row > div:nth-child(3),
    .use-case-row > div:nth-child(4) {
        grid-column: 2;
    }

    .cta {
        padding: 5rem 0;
    }
}