/* ========================================
   AES Architecture Page — Styles
   ======================================== */

/* --- AES Hero --- */
.aes-hero {
    position: relative;
    z-index: 1;
    padding: 160px 24px 80px;
    text-align: center;
}

.aes-hero__container {
    max-width: 800px;
    margin: 0 auto;
}

.aes-hero__title {
    font-size: clamp(2.2rem, 5.5vw, 3.8rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.035em;
    margin-bottom: 24px;
    animation: fadeInUp 0.6s ease 0.1s both;
}

.aes-hero__subtitle {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    max-width: 640px;
    margin: 0 auto;
    line-height: 1.75;
    animation: fadeInUp 0.6s ease 0.2s both;
}

/* --- Active Nav Link --- */
.nav__link--active {
    color: var(--color-accent) !important;
}

/* --- Pipeline --- */
.pipeline {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0;
    max-width: 680px;
}

.pipeline__stage {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 40px 36px;
    width: 100%;
    position: relative;
    transition: border-color var(--transition-base), transform var(--transition-smooth);
}

.pipeline__stage:hover {
    border-color: var(--color-border-hover);
    transform: translateY(-3px);
}

.pipeline__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    background: var(--color-accent-subtle);
    border: 1px solid rgba(62, 207, 180, 0.12);
    color: var(--color-accent);
    margin-bottom: 20px;
}

.pipeline__number {
    position: absolute;
    top: 28px;
    right: 32px;
    font-size: 3rem;
    font-weight: 800;
    color: var(--color-accent);
    opacity: 0.08;
    line-height: 1;
    letter-spacing: -0.05em;
}

.pipeline__title {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 10px;
    letter-spacing: -0.01em;
}

.pipeline__desc {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: 20px;
}

.pipeline__desc strong {
    color: var(--color-text);
    font-weight: 600;
}

.pipeline__tech {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tech-tag {
    display: inline-block;
    padding: 5px 14px;
    border-radius: 100px;
    background: var(--color-surface-elevated);
    border: 1px solid var(--color-border);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.72rem;
    font-weight: 500;
    color: var(--color-text-muted);
    letter-spacing: 0.02em;
}

.pipeline__connector {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 12px 0;
    color: var(--color-text-muted);
    opacity: 0.3;
}

/* --- Verification Grid --- */
.verify-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.verify-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 32px 28px;
    transition: border-color var(--transition-base), transform var(--transition-smooth);
}

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

.verify-card__step {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--color-accent-subtle);
    border: 1px solid rgba(62, 207, 180, 0.15);
    color: var(--color-accent);
    font-size: 0.8rem;
    font-weight: 700;
    margin-bottom: 16px;
    font-family: 'JetBrains Mono', monospace;
}

.verify-card h3 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 8px;
    letter-spacing: -0.01em;
}

.verify-card p {
    font-size: 0.88rem;
    color: var(--color-text-secondary);
    line-height: 1.65;
}

/* --- Zero Touch Grid --- */
.zero-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    max-width: 800px;
}

.zero-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 36px 32px;
}

.zero-card__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.zero-card__icon--no {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.15);
    color: #ef4444;
}

.zero-card__icon--yes {
    background: var(--color-accent-subtle);
    border: 1px solid rgba(62, 207, 180, 0.15);
    color: var(--color-accent);
}

.zero-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 16px;
    letter-spacing: -0.01em;
}

.zero-card ul {
    list-style: none;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.zero-card ul li {
    font-size: 0.92rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
    padding-left: 20px;
    position: relative;
}

.zero-card ul li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-text-muted);
    font-size: 0.85rem;
}

/* --- Responsive --- */
@media (max-width: 768px) {
    .aes-hero {
        padding: 130px 20px 60px;
    }

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

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

    .pipeline__stage {
        padding: 32px 24px;
    }

    .pipeline__number {
        font-size: 2rem;
        top: 20px;
        right: 20px;
    }
}