/**
 * ByteStream Homepage Styles
 * Phase 4 & Phase 5: Hero Redesign & Abstract Engineering System Visual
 */

/* ==========================================================================
   HOMEPAGE HERO SECTION
   ========================================================================== */
.hero-section {
    position: relative;
    padding-top: calc(var(--header-height) + clamp(48px, 7vw, 84px));
    padding-bottom: clamp(56px, 7vw, 96px);
    background: radial-gradient(100% 80% at 50% 0%, rgba(37, 99, 235, 0.04) 0%, rgba(255, 255, 255, 0) 100%);
    overflow: hidden;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1.05fr;
    gap: clamp(32px, 5vw, 64px);
    align-items: center;
}

.hero-content {
    max-width: 620px;
}

.hero-eyebrow {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    font-size: var(--font-size-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-primary-blue);
    background-color: var(--color-primary-blue-light);
    padding: 6px 14px;
    border-radius: var(--radius-full);
    margin-bottom: var(--space-5);
    max-width: 100%;
    box-sizing: border-box;
}

.hero-title {
    font-size: clamp(2.4rem, 4.5vw, 3.65rem);
    font-weight: 800;
    line-height: 1.12;
    letter-spacing: -0.035em;
    color: var(--color-primary-navy);
    margin-bottom: var(--space-6);
}

.hero-desc {
    font-size: clamp(1.05rem, 1.8vw, 1.2rem);
    color: var(--color-dark-gray);
    line-height: 1.6;
    margin-bottom: var(--space-8);
    opacity: 0.9;
}

.hero-actions {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-4);
    margin-bottom: var(--space-8);
}

.hero-capability-strip {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-2);
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-muted-gray);
    padding-top: var(--space-6);
    border-top: 1px solid var(--color-border);
}

.hero-capability-item {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
}

.hero-capability-item:not(:last-child)::after {
    content: "·";
    color: var(--color-primary-blue);
    font-weight: 800;
}

/* ==========================================================================
   ABSTRACT ENGINEERING SYSTEM VISUALIZATION (Phase 5)
   ========================================================================== */
.hero-visual-card {
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-2xl);
    padding: clamp(24px, 4vw, 36px);
    box-shadow: 0 20px 50px rgba(17, 24, 39, 0.06);
    position: relative;
    overflow: hidden;
}

.system-visual-wrapper {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    position: relative;
}

.system-node-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
}

.system-node {
    background-color: var(--color-light-gray);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 10px 16px;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-primary-navy);
    display: flex;
    align-items: center;
    gap: var(--space-2);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    white-space: nowrap;
}

.system-node svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.system-node-primary {
    background-color: var(--color-primary-navy);
    color: var(--color-white);
    border-color: var(--color-primary-navy);
}

.system-node-highlight {
    border-color: var(--color-primary-blue);
    background-color: var(--color-primary-blue-light);
    color: var(--color-primary-blue);
}

.system-node-indicator {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: var(--color-primary-blue);
}

.system-node-primary .system-node-indicator {
    background-color: var(--color-accent-blue);
}

.system-connector {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 18px;
    position: relative;
}

.system-connector-line {
    width: 2px;
    height: 100%;
    background: linear-gradient(to bottom, var(--color-primary-blue), var(--color-border));
}

.system-badge-tag {
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-primary-blue);
    background-color: var(--color-primary-blue-light);
    padding: 2px 8px;
    border-radius: var(--radius-xs);
    margin-left: auto;
}

.system-metric-bar {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-3);
    margin-top: var(--space-4);
    padding-top: var(--space-4);
    border-top: 1px solid var(--color-border);
}

.system-metric-item {
    background-color: var(--color-light-gray);
    border-radius: var(--radius-sm);
    padding: 8px 12px;
    text-align: center;
}

.system-metric-item .val {
    font-size: 0.9375rem;
    font-weight: 800;
    color: var(--color-primary-blue);
}

.system-metric-item .lbl {
    font-size: 0.6875rem;
    font-weight: 600;
    color: var(--color-muted-gray);
    text-transform: uppercase;
}

/* Responsive adjustments for hero */
@media (max-width: 1024px) {
    .hero-section {
        padding-top: calc(var(--header-height) + 32px);
        padding-bottom: 48px;
    }

    .hero-grid {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }

    .hero-content {
        max-width: 100%;
        text-align: center;
    }

    .hero-eyebrow {
        margin-left: auto;
        margin-right: auto;
        font-size: 0.75rem;
        padding: 6px 14px;
        letter-spacing: 0.04em;
        white-space: normal;
        text-align: center;
        max-width: 100%;
        display: inline-flex;
        box-sizing: border-box;
    }

    .hero-title {
        font-size: clamp(2rem, 5vw, 2.75rem);
        line-height: 1.18;
        margin-bottom: var(--space-4);
        word-break: break-word;
    }

    .hero-desc {
        font-size: 1rem;
        line-height: 1.6;
        margin-bottom: var(--space-6);
        max-width: 620px;
        margin-left: auto;
        margin-right: auto;
    }

    .hero-actions {
        justify-content: center;
        margin-bottom: var(--space-6);
    }

    .hero-capability-strip {
        justify-content: center;
        gap: var(--space-2);
        font-size: 0.8125rem;
        line-height: 1.6;
    }

    .hero-visual-card {
        max-width: 580px;
        margin: 0 auto;
        width: 100%;
        box-sizing: border-box;
    }
}

@media (max-width: 768px) {
    .hero-section {
        padding-top: calc(var(--header-height) + 20px);
        padding-bottom: 40px;
    }

    .hero-title {
        font-size: clamp(1.75rem, 5.5vw, 2.2rem);
    }

    .hero-actions {
        flex-direction: column;
        width: 100%;
        max-width: 360px;
        margin: 0 auto var(--space-6) auto;
        gap: var(--space-3);
    }

    .hero-actions .btn {
        width: 100%;
        justify-content: center;
    }

    .hero-visual-card {
        padding: 20px 16px;
        border-radius: var(--radius-xl);
    }

    .system-node-row {
        flex-direction: column;
        width: 100%;
        gap: var(--space-2);
    }

    .system-node {
        width: 100%;
        justify-content: center;
        padding: 9px 12px;
        font-size: 0.78125rem;
        white-space: normal;
        text-align: center;
    }

    .system-metric-bar {
        grid-template-columns: repeat(3, 1fr);
        gap: 6px;
        padding-top: 12px;
    }

    .system-metric-item {
        padding: 6px 4px;
    }

    .system-metric-val {
        font-size: 0.75rem;
    }

    .system-metric-label {
        font-size: 0.625rem;
    }
}

@media (max-width: 480px) {
    .hero-eyebrow {
        font-size: 0.6875rem !important;
        padding: 5px 12px !important;
        letter-spacing: 0.03em !important;
        line-height: 1.35 !important;
        text-align: center !important;
    }

    .hero-title {
        font-size: 1.6rem !important;
        line-height: 1.2 !important;
        word-break: break-word !important;
    }

    .hero-desc {
        font-size: 0.9375rem !important;
    }

    .system-metric-bar {
        grid-template-columns: 1fr !important;
        gap: 8px !important;
    }

    .system-metric-item {
        padding: 8px 12px !important;
    }
}