/**
 * Entity Portfolio Page Layout CSS
 * Verso Industries - R&D Venture Studio
 * Enterprise-level design following homepage-layout.css patterns
 */

/* ============================================================================
   ROOT VARIABLES - Extends base.css tokens
   ============================================================================ */

.portfolio-page {
    /* Core Palette */
    --portfolio-bg-deep: #333333;
    --portfolio-bg-surface: #3a3a3a;
    --portfolio-bg-elevated: rgba(255, 255, 255, 0.05);

    /* Card Backgrounds */
    --portfolio-bg-card: rgba(60, 60, 60, 0.6);
    --portfolio-bg-card-hover: rgba(70, 70, 70, 0.8);

    /* Borders */
    --portfolio-border-subtle: rgba(255, 255, 255, 0.1);
    --portfolio-border-medium: rgba(255, 255, 255, 0.2);

    /* Text */
    --portfolio-text-primary: #ffffff;
    --portfolio-text-secondary: rgba(255, 255, 255, 0.85);
    --portfolio-text-muted: rgba(255, 255, 255, 0.6);

    /* Accents */
    --portfolio-accent-blue: var(--accent-blue, #4169e1);
    --portfolio-accent-gold: var(--accent-gold, #F4C430);
    --portfolio-accent-green: #22c55e;
    --portfolio-accent-purple: #a855f7;

    /* Glows */
    --portfolio-glow-blue: 0 0 40px rgba(65, 105, 225, 0.4);
    --portfolio-glow-gold: 0 0 40px rgba(244, 196, 48, 0.3);
    --portfolio-glow-green: 0 0 40px rgba(34, 197, 94, 0.3);
    --portfolio-glow-purple: 0 0 40px rgba(168, 85, 247, 0.3);

    /* Radii */
    --portfolio-radius-sm: 4px;
    --portfolio-radius-md: 8px;
    --portfolio-radius-lg: 12px;
    --portfolio-radius-xl: 16px;

    /* Transitions */
    --portfolio-transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --portfolio-transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --portfolio-transition-slow: 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);

    width: 100%;
    min-height: 100vh;
    background: var(--portfolio-bg-deep);
    color: var(--portfolio-text-primary);
    overflow-x: hidden;
    font-family: 'Neon-Regular', -apple-system, BlinkMacSystemFont, sans-serif;
}

/* ============================================================================
   ANIMATIONS
   ============================================================================ */

@keyframes portfolio-fade-up {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes portfolio-grid-drift {
    0% {
        background-position: 0 0;
    }

    100% {
        background-position: 60px 60px;
    }
}

@keyframes portfolio-orb-pulse {

    0%,
    100% {
        opacity: 0.3;
        transform: scale(1);
    }

    50% {
        opacity: 0.5;
        transform: scale(1.05);
    }
}

@keyframes portfolio-card-enter {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.98);
    }

    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.portfolio-animate-slide-up {
    animation: portfolio-fade-up 0.8s var(--portfolio-transition-smooth) forwards;
}

.portfolio-section--visible {
    animation: portfolio-fade-up 0.7s var(--portfolio-transition-smooth) forwards;
}

/* ============================================================================
   SECTION SPACING & UTILS
   ============================================================================ */

.portfolio-section-spacer {
    height: clamp(60px, 8vw, 120px);
}

.portfolio-section-title {
    font-family: 'Neon-Heavy', sans-serif;
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    color: var(--portfolio-text-primary);
    text-align: center;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
    line-height: 1.1;
    text-transform: uppercase;
}

.portfolio-section-subtitle {
    font-size: clamp(1.1rem, 2vw, 1.35rem);
    color: var(--portfolio-text-secondary);
    text-align: center;
    max-width: 800px;
    margin: 0 auto 4rem;
    line-height: 1.6;
    font-weight: 300;
}

.portfolio-highlight {
    display: block;
    font-family: 'Neon-Heavy', sans-serif;
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-align: center;
    margin-bottom: 1rem;
}

.portfolio-highlight--blue {
    color: var(--portfolio-accent-blue);
}

.portfolio-highlight--gold {
    color: var(--portfolio-accent-gold);
}

.portfolio-highlight--green {
    color: var(--portfolio-accent-green);
}

.portfolio-highlight--purple {
    color: var(--portfolio-accent-purple);
}

/* ============================================================================
   BREADCRUMBS
   ============================================================================ */

.breadcrumbs {
    padding: 1rem 2rem;
    background: rgba(0, 0, 0, 0.2);
}

.breadcrumbs ol {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 0.5rem;
    max-width: 1200px;
    margin: 0 auto;
}

.breadcrumbs li {
    color: var(--portfolio-text-muted);
    font-size: 0.9rem;
}

.breadcrumbs li::after {
    content: '/';
    margin-left: 0.5rem;
    color: rgba(255, 255, 255, 0.3);
}

.breadcrumbs li:last-child::after {
    display: none;
}

.breadcrumbs a {
    color: var(--portfolio-accent-blue);
    text-decoration: none;
    transition: color var(--portfolio-transition-fast);
}

.breadcrumbs a:hover {
    color: white;
}

/* ============================================================================
   HERO SECTION
   ============================================================================ */

.portfolio-hero {
    position: relative;
    width: 100%;
    min-height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4rem 2rem;
    background: radial-gradient(circle at 50% 30%, #444444 0%, #333333 60%);
}

.portfolio-hero__bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    overflow: hidden;
}

.portfolio-hero__grid-animation {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: portfolio-grid-drift 40s linear infinite;
    mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black 40%, transparent 100%);
}

.portfolio-hero__bg-overlay {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 40% 30% at 20% 20%, rgba(65, 105, 225, 0.15), transparent 70%),
        radial-gradient(ellipse 40% 30% at 80% 80%, rgba(168, 85, 247, 0.1), transparent 70%);
    animation: portfolio-orb-pulse 10s ease-in-out infinite;
}

.portfolio-hero__content {
    position: relative;
    z-index: 10;
    width: 100%;
    max-width: 1000px;
    text-align: center;
}

.portfolio-hero__title {
    font-family: 'Neon-Heavy', sans-serif;
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 800;
    color: var(--portfolio-text-primary);
    text-transform: uppercase;
    letter-spacing: 0.02em;
    line-height: 1.1;
    margin-bottom: 2rem;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
    animation: portfolio-fade-up 1s var(--portfolio-transition-smooth) forwards;
}

.portfolio-hero__subtitle {
    font-size: clamp(1.1rem, 2.5vw, 1.4rem);
    color: var(--portfolio-text-secondary);
    line-height: 1.7;
    max-width: 800px;
    margin: 0 auto 3rem;
    animation: portfolio-fade-up 1s var(--portfolio-transition-smooth) 0.15s forwards;
    opacity: 0;
}

.portfolio-hero__actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.5rem;
    animation: portfolio-fade-up 1s var(--portfolio-transition-smooth) 0.3s forwards;
    opacity: 0;
}

.portfolio-hero__btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1.1rem 2.2rem;
    font-family: 'Neon-Heavy', sans-serif;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    text-decoration: none;
    border-radius: var(--portfolio-radius-md);
    transition: all var(--portfolio-transition-smooth);
    cursor: pointer;
}

.portfolio-hero__btn--primary {
    background: var(--portfolio-accent-blue);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 4px 15px rgba(65, 105, 225, 0.4);
}

.portfolio-hero__btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(65, 105, 225, 0.6);
}

.portfolio-hero__btn--secondary {
    background: rgba(255, 255, 255, 0.05);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
}

.portfolio-hero__btn--secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: white;
    transform: translateY(-2px);
}

.portfolio-hero__btn-icon {
    width: 20px;
    height: 20px;
}

/* ============================================================================
   VENTURE MODEL SECTION
   ============================================================================ */

.portfolio-model-section {
    width: 100%;
    padding: clamp(4rem, 8vw, 8rem) clamp(1.5rem, 5vw, 3rem);
}

.portfolio-model-section__inner {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
}

/* Entity Diagram */
.portfolio-entity-diagram {
    margin: 4rem 0;
}

.portfolio-entity-diagram__parent {
    display: flex;
    justify-content: center;
    margin-bottom: 2rem;
}

.portfolio-entity-diagram__connector {
    position: relative;
    height: 60px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.portfolio-entity-diagram__line--vertical {
    width: 2px;
    height: 30px;
    background: linear-gradient(to bottom, var(--portfolio-accent-gold), rgba(244, 196, 48, 0.3));
}

.portfolio-entity-diagram__line--horizontal {
    width: 80%;
    max-width: 800px;
    height: 2px;
    background: linear-gradient(to right, transparent, var(--portfolio-accent-gold) 20%, var(--portfolio-accent-gold) 80%, transparent);
}

.portfolio-entity-diagram__children {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 1rem;
}

.portfolio-entity-card {
    padding: 2rem;
    background: var(--portfolio-bg-card);
    border: 1px solid var(--portfolio-border-subtle);
    border-radius: var(--portfolio-radius-lg);
    text-align: center;
    transition: all var(--portfolio-transition-smooth);
    animation: portfolio-card-enter 0.5s ease forwards;
    opacity: 0;
}

.portfolio-entity-card:hover {
    background: var(--portfolio-bg-card-hover);
    transform: translateY(-5px);
}

.portfolio-entity-card--parent {
    background: linear-gradient(145deg, rgba(244, 196, 48, 0.15), var(--portfolio-bg-card));
    border-color: var(--portfolio-accent-gold);
    max-width: 350px;
}

.portfolio-entity-card--parent:hover {
    box-shadow: var(--portfolio-glow-gold);
}

.portfolio-entity-card--forming {
    border-top: 3px solid var(--portfolio-accent-blue);
}

.portfolio-entity-card--planned {
    border-top: 3px solid rgba(255, 255, 255, 0.3);
}

.portfolio-entity-card--stealth {
    border-top: 3px solid var(--portfolio-accent-purple);
}

.portfolio-entity-card__status {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--portfolio-radius-sm);
    margin-bottom: 1rem;
}

.portfolio-entity-card__status--forming {
    background: rgba(65, 105, 225, 0.2);
    color: var(--portfolio-accent-blue);
}

.portfolio-entity-card__status--planned {
    background: rgba(255, 255, 255, 0.1);
    color: var(--portfolio-text-muted);
}

.portfolio-entity-card__status--stealth {
    background: rgba(168, 85, 247, 0.2);
    color: var(--portfolio-accent-purple);
}

.portfolio-entity-card__icon {
    width: 40px;
    height: 40px;
    color: var(--portfolio-accent-gold);
    margin-bottom: 1rem;
}

.portfolio-entity-card__name {
    font-family: 'Neon-Heavy', sans-serif;
    font-size: 1.3rem;
    color: white;
    margin-bottom: 0.5rem;
}

.portfolio-entity-card__type {
    display: block;
    font-size: 0.85rem;
    color: var(--portfolio-text-muted);
    margin-bottom: 1rem;
}

.portfolio-entity-card__description {
    font-size: 0.95rem;
    color: var(--portfolio-text-secondary);
    line-height: 1.6;
}

/* Benefits Grid */
.portfolio-benefits-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-top: 4rem;
}

.portfolio-benefit-item {
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--portfolio-radius-md);
    text-align: center;
}

.portfolio-benefit-item__title {
    font-family: 'Neon-Heavy', sans-serif;
    font-size: 1rem;
    color: var(--portfolio-accent-gold);
    margin-bottom: 0.5rem;
}

.portfolio-benefit-item__description {
    font-size: 0.9rem;
    color: var(--portfolio-text-muted);
    line-height: 1.5;
}

/* ============================================================================
   FEATURE CARDS (Foundry Logik, VersoOS Foundation)
   ============================================================================ */

.portfolio-feature-section {
    width: 100%;
    padding: 0 clamp(1.5rem, 5vw, 3rem);
}

.portfolio-feature-section__inner {
    width: 100%;
    max-width: 1000px;
    margin: 0 auto;
}

.portfolio-feature-card {
    padding: 3rem;
    background: var(--portfolio-bg-card);
    border-radius: var(--portfolio-radius-xl);
    border: 1px solid var(--portfolio-border-subtle);
    transition: all var(--portfolio-transition-smooth);
}

.portfolio-feature-card--blue {
    border-left: 4px solid var(--portfolio-accent-blue);
    background: linear-gradient(135deg, rgba(65, 105, 225, 0.08), transparent 50%);
}

.portfolio-feature-card--blue:hover {
    box-shadow: var(--portfolio-glow-blue);
}

.portfolio-feature-card--green {
    border-left: 4px solid var(--portfolio-accent-green);
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.08), transparent 50%);
}

.portfolio-feature-card--green:hover {
    box-shadow: var(--portfolio-glow-green);
}

.portfolio-feature-card__header {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
    margin-bottom: 2rem;
}

.portfolio-feature-card__icon {
    width: 48px;
    height: 48px;
    flex-shrink: 0;
}

.portfolio-feature-card--blue .portfolio-feature-card__icon {
    color: var(--portfolio-accent-blue);
}

.portfolio-feature-card--green .portfolio-feature-card__icon {
    color: var(--portfolio-accent-green);
}

.portfolio-feature-card__status {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--portfolio-radius-sm);
    background: rgba(65, 105, 225, 0.2);
    color: var(--portfolio-accent-blue);
    margin-bottom: 0.5rem;
}

.portfolio-feature-card__status--planned {
    background: rgba(255, 255, 255, 0.1);
    color: var(--portfolio-text-muted);
}

.portfolio-feature-card__title {
    font-family: 'Neon-Heavy', sans-serif;
    font-size: clamp(1.5rem, 3vw, 2rem);
    color: white;
    margin: 0;
}

.portfolio-feature-card__mission {
    font-size: 1.1rem;
    color: var(--portfolio-text-secondary);
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--portfolio-radius-md);
}

.portfolio-feature-card__description {
    font-size: 1.05rem;
    color: var(--portfolio-text-secondary);
    line-height: 1.7;
    margin-bottom: 2rem;
}

.portfolio-feature-card__services h4,
.portfolio-feature-card__governance h4 {
    font-family: 'Neon-Heavy', sans-serif;
    font-size: 1rem;
    color: white;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.portfolio-feature-card__services ul {
    list-style: none;
    padding: 0;
    margin: 0 0 2rem;
}

.portfolio-feature-card__services li {
    padding: 0.5rem 0 0.5rem 1.5rem;
    position: relative;
    color: var(--portfolio-text-secondary);
}

.portfolio-feature-card__services li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--portfolio-accent-blue);
}

.portfolio-feature-card--green .portfolio-feature-card__services li::before {
    color: var(--portfolio-accent-green);
}

.portfolio-feature-card__governance {
    margin-bottom: 2rem;
}

.portfolio-feature-card__governance p {
    color: var(--portfolio-text-secondary);
    line-height: 1.7;
}

.portfolio-feature-card__model {
    font-size: 0.95rem;
    color: var(--portfolio-text-muted);
    font-style: italic;
    margin-bottom: 2rem;
}

.portfolio-feature-card__highlight {
    padding: 1.5rem;
    background: rgba(34, 197, 94, 0.1);
    border-left: 3px solid var(--portfolio-accent-green);
    border-radius: 0 var(--portfolio-radius-md) var(--portfolio-radius-md) 0;
    color: var(--portfolio-text-secondary);
    line-height: 1.7;
}

.portfolio-feature-card__cta {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: 'Neon-Heavy', sans-serif;
    font-weight: 700;
    text-transform: uppercase;
    text-decoration: none;
    color: var(--portfolio-accent-blue);
    transition: gap var(--portfolio-transition-fast);
}

.portfolio-feature-card__cta:hover {
    gap: 0.8rem;
}

.portfolio-feature-card__cta-icon {
    width: 18px;
    height: 18px;
}

/* ============================================================================
   STEALTH VENTURES SECTION
   ============================================================================ */

.portfolio-ventures-section {
    width: 100%;
    padding: clamp(4rem, 8vw, 8rem) clamp(1.5rem, 5vw, 3rem);
    background: #2a2a2a;
}

.portfolio-ventures-section__inner {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
}

.portfolio-ventures-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.portfolio-venture-card {
    padding: 2.5rem;
    background: var(--portfolio-bg-card);
    border: 1px solid var(--portfolio-border-subtle);
    border-top: 3px solid var(--portfolio-accent-purple);
    border-radius: var(--portfolio-radius-lg);
    transition: all var(--portfolio-transition-smooth);
    animation: portfolio-card-enter 0.5s ease forwards;
    opacity: 0;
}

.portfolio-venture-card:hover {
    background: var(--portfolio-bg-card-hover);
    transform: translateY(-5px);
    box-shadow: var(--portfolio-glow-purple);
}

.portfolio-venture-card__icon {
    width: 40px;
    height: 40px;
    color: var(--portfolio-accent-purple);
    margin-bottom: 1.5rem;
}

.portfolio-venture-card__domain {
    display: block;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--portfolio-accent-purple);
    margin-bottom: 0.5rem;
}

.portfolio-venture-card__title {
    font-family: 'Neon-Heavy', sans-serif;
    font-size: 1.5rem;
    color: white;
    margin-bottom: 1rem;
}

.portfolio-venture-card__description {
    font-size: 1rem;
    color: var(--portfolio-text-secondary);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.portfolio-venture-card__markets {
    margin-bottom: 1.5rem;
}

.portfolio-venture-card__markets strong {
    display: block;
    font-size: 0.85rem;
    color: var(--portfolio-text-muted);
    margin-bottom: 0.5rem;
}

.portfolio-venture-card__markets ul {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    list-style: none;
    padding: 0;
    margin: 0;
}

.portfolio-venture-card__markets li {
    padding: 0.25rem 0.75rem;
    font-size: 0.8rem;
    background: rgba(168, 85, 247, 0.15);
    color: var(--portfolio-accent-purple);
    border-radius: var(--portfolio-radius-sm);
}

.portfolio-venture-card__link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.9rem;
    text-decoration: none;
    color: var(--portfolio-accent-purple);
    transition: gap var(--portfolio-transition-fast);
}

.portfolio-venture-card__link:hover {
    gap: 0.8rem;
}

/* ============================================================================
   OPEN FRAMEWORKS SECTION
   ============================================================================ */

.portfolio-frameworks-section {
    width: 100%;
    padding: clamp(4rem, 8vw, 8rem) clamp(1.5rem, 5vw, 3rem);
    background: linear-gradient(180deg, #2f2f2f 0%, #333333 100%);
}

.portfolio-frameworks-section__inner {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
}

.portfolio-frameworks-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.portfolio-framework-card {
    display: flex;
    flex-direction: column;
    padding: 2rem;
    background: linear-gradient(145deg, rgba(65, 105, 225, 0.08), rgba(60, 60, 60, 0.6));
    border: 1px solid rgba(65, 105, 225, 0.2);
    border-radius: var(--portfolio-radius-lg);
    text-decoration: none;
    transition: all var(--portfolio-transition-smooth);
    animation: portfolio-card-enter 0.5s ease forwards;
    opacity: 0;
    backdrop-filter: blur(10px);
}

.portfolio-framework-card:hover {
    background: linear-gradient(145deg, rgba(65, 105, 225, 0.15), rgba(70, 70, 70, 0.8));
    border-color: var(--portfolio-accent-blue);
    transform: translateY(-5px);
    box-shadow: var(--portfolio-glow-blue);
}

.portfolio-framework-card__icon {
    width: 36px;
    height: 36px;
    color: var(--portfolio-accent-blue);
    margin-bottom: 1.25rem;
    transition: transform var(--portfolio-transition-fast);
}

.portfolio-framework-card:hover .portfolio-framework-card__icon {
    transform: scale(1.1);
}

.portfolio-framework-card__title {
    font-family: 'Neon-Heavy', sans-serif;
    font-size: 1.1rem;
    color: white;
    margin-bottom: 0.75rem;
    line-height: 1.3;
}

.portfolio-framework-card__description {
    font-size: 0.9rem;
    color: var(--portfolio-text-muted);
    line-height: 1.6;
    flex-grow: 1;
    margin-bottom: 1.25rem;
}

.portfolio-framework-card__link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-weight: 700;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--portfolio-accent-blue);
    transition: gap var(--portfolio-transition-fast);
}

.portfolio-framework-card:hover .portfolio-framework-card__link {
    gap: 0.6rem;
}

/* ============================================================================
   PARTNERSHIP SECTION
   ============================================================================ */

.portfolio-partnership-section {
    width: 100%;
    padding: clamp(4rem, 8vw, 8rem) clamp(1.5rem, 5vw, 3rem);
}

.portfolio-partnership-section__inner {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
}

.portfolio-partnership-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.portfolio-partnership-item {
    padding: 2rem;
    text-align: center;
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--portfolio-radius-lg);
    transition: all var(--portfolio-transition-smooth);
    animation: portfolio-card-enter 0.5s ease forwards;
    opacity: 0;
}

.portfolio-partnership-item:hover {
    background: rgba(255, 255, 255, 0.06);
    transform: translateY(-3px);
}

.portfolio-partnership-item__icon {
    width: 36px;
    height: 36px;
    color: var(--portfolio-accent-gold);
    margin-bottom: 1rem;
}

.portfolio-partnership-item__title {
    font-family: 'Neon-Heavy', sans-serif;
    font-size: 1rem;
    color: white;
    margin-bottom: 0.75rem;
}

.portfolio-partnership-item__description {
    font-size: 0.9rem;
    color: var(--portfolio-text-muted);
    line-height: 1.6;
}

.portfolio-partnership-cta {
    text-align: center;
}

.portfolio-partnership-cta__btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    font-family: 'Neon-Heavy', sans-serif;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    text-decoration: none;
    color: var(--portfolio-accent-gold);
    border: 2px solid var(--portfolio-accent-gold);
    border-radius: var(--portfolio-radius-md);
    transition: all var(--portfolio-transition-smooth);
}

.portfolio-partnership-cta__btn:hover {
    background: var(--portfolio-accent-gold);
    color: #333;
    transform: translateY(-2px);
    box-shadow: var(--portfolio-glow-gold);
}

/* ============================================================================
   FINAL CTA SECTION
   ============================================================================ */

.portfolio-cta-section {
    width: 100%;
    padding: clamp(4rem, 8vw, 6rem) clamp(1.5rem, 5vw, 3rem);
    background: linear-gradient(180deg, #333333 0%, #2b2b2b 100%);
    text-align: center;
}

.portfolio-cta-section__inner {
    max-width: 800px;
    margin: 0 auto;
}

.portfolio-cta-section__title {
    font-family: 'Neon-Heavy', sans-serif;
    font-size: clamp(2rem, 4vw, 3rem);
    color: white;
    margin-bottom: 1.5rem;
}

.portfolio-cta-section__description {
    font-size: 1.2rem;
    color: var(--portfolio-text-secondary);
    line-height: 1.7;
    margin-bottom: 2.5rem;
}

.portfolio-cta-section__actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.5rem;
}

.portfolio-cta-section__btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    font-family: 'Neon-Heavy', sans-serif;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    text-decoration: none;
    border-radius: var(--portfolio-radius-md);
    transition: all var(--portfolio-transition-smooth);
}

.portfolio-cta-section__btn--primary {
    background: var(--portfolio-accent-blue);
    color: white;
    border: 1px solid var(--portfolio-accent-blue);
}

.portfolio-cta-section__btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--portfolio-glow-blue);
}

.portfolio-cta-section__btn--secondary {
    background: transparent;
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.portfolio-cta-section__btn--secondary:hover {
    border-color: white;
    transform: translateY(-2px);
}

/* ============================================================================
   RESPONSIVE DESIGN
   ============================================================================ */

@media (max-width: 1024px) {
    .portfolio-entity-diagram__children {
        grid-template-columns: repeat(2, 1fr);
    }

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

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

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

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

@media (max-width: 768px) {
    .portfolio-hero {
        min-height: 60vh;
        padding: 3rem 1.5rem;
    }

    .portfolio-entity-diagram__children {
        grid-template-columns: 1fr;
    }

    .portfolio-entity-diagram__connector {
        display: none;
    }

    .portfolio-benefits-grid {
        grid-template-columns: 1fr;
    }

    .portfolio-feature-card {
        padding: 2rem;
    }

    .portfolio-feature-card__header {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .portfolio-ventures-grid {
        grid-template-columns: 1fr;
    }

    .portfolio-partnership-grid {
        grid-template-columns: 1fr;
    }

    .portfolio-frameworks-grid {
        grid-template-columns: 1fr;
    }

    .portfolio-hero__actions,
    .portfolio-cta-section__actions {
        flex-direction: column;
        align-items: center;
    }

    .portfolio-hero__btn,
    .portfolio-cta-section__btn {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .portfolio-hero__title {
        font-size: 2rem;
    }

    .portfolio-section-title {
        font-size: 1.75rem;
    }

    .portfolio-feature-card {
        padding: 1.5rem;
    }

    .portfolio-venture-card {
        padding: 1.5rem;
    }

    .breadcrumbs {
        padding: 0.75rem 1rem;
    }
}