/* ========================================
   MODERN VC WEBSITE DESIGN
   ======================================== */

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

:root {
    --color-primary: #111827;
    --color-secondary: #6b7280;
    --color-accent: #2563eb;
    --color-bg: #ffffff;
    --color-bg-light: #f9fafb;
    --color-border: #e5e7eb;
    --color-text: #111827;
    --color-text-light: #6b7280;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    --spacing-2xl: 8rem;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Inter', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--color-text);
    background: var(--color-bg);
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    scroll-behavior: smooth;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-content > * {
    animation: fadeInUp 0.6s ease-out;
}

.hero-content > *:nth-child(2) {
    animation-delay: 0.1s;
}

.hero-content > *:nth-child(3) {
    animation-delay: 0.2s;
}

/* ========================================
   LAYOUT CONTAINERS
   ======================================== */

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section {
    margin-bottom: var(--spacing-2xl);
}

.section-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 700;
    text-align: left;
    margin-bottom: var(--spacing-xl);
    color: var(--color-primary);
    letter-spacing: -0.03em;
    line-height: 1.1;
    max-width: 1000px;
}

/* ========================================
   NAVIGATION
   ======================================== */

nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 1000;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--color-border);
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-primary);
    letter-spacing: 0;
    line-height: 1.3;
    text-transform: none;
}

.nav-links {
    display: flex;
    gap: var(--spacing-lg);
    list-style: none;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--color-text-light);
    font-weight: 500;
    font-size: 0.9375rem;
    transition: color 0.2s ease;
    position: relative;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-primary);
    transition: width 0.2s ease;
}

.nav-links a:hover::after {
    width: 100%;
}

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

.hero {
    margin-top: 80px;
    min-height: calc(100vh - 80px);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg);
    color: white;
    text-align: left;
    padding: var(--spacing-2xl) var(--spacing-md);
    position: relative;
    overflow: hidden;
    background-image: url('../images/hero-bg.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(17, 24, 39, 0.65);
    pointer-events: none;
    z-index: 0;
}

.hero-content {
    max-width: 1200px;
    width: 100%;
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-size: clamp(3rem, 8vw, 6.5rem);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    line-height: 1.05;
    letter-spacing: -0.04em;
    color: white;
    max-width: 900px;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.hero p {
    font-size: clamp(1.25rem, 2.5vw, 1.75rem);
    margin-bottom: var(--spacing-lg);
    color: rgba(255, 255, 255, 0.95);
    line-height: 1.6;
    max-width: 700px;
    font-weight: 400;
    text-shadow: 0 1px 10px rgba(0, 0, 0, 0.2);
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: flex-start;
    flex-wrap: wrap;
    margin-top: var(--spacing-lg);
}

/* Flow Diagram */
.flow-diagram {
    margin-top: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    position: relative;
    overflow: hidden;
}

.flow-diagram::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.05) 0%, transparent 70%);
    pointer-events: none;
}

.flow-steps {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.flow-step {
    flex: 1;
    min-width: 150px;
    padding: var(--spacing-sm);
}

.flow-step-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: white;
}

.flow-arrow {
    font-size: 1.5rem;
    color: rgba(255, 255, 255, 0.7);
    opacity: 0.8;
}

.flow-diagram-note {
    margin-top: var(--spacing-md);
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.9);
    text-align: center;
}

/* ========================================
   BUTTONS
   ======================================== */

.btn {
    padding: 0.875rem 2rem;
    font-size: 0.9375rem;
    font-weight: 600;
    border: 1px solid transparent;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    display: inline-block;
    letter-spacing: -0.01em;
}

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

.btn-primary:hover {
    background: rgba(255, 255, 255, 0.95);
    border-color: white;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.btn-secondary {
    background: transparent;
    color: white;
    border-color: rgba(255, 255, 255, 0.5);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

/* ========================================
   STATS SECTION
   ======================================== */

.stats {
    background: var(--color-bg);
    padding: var(--spacing-2xl) var(--spacing-md);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    position: relative;
}

.stats::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-border) 50%, transparent);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--spacing-xl);
    max-width: 1400px;
    margin: 0 auto;
}

.stat-card {
    text-align: left;
    padding: var(--spacing-md);
    transition: transform 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-4px);
}

.stat-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
    opacity: 0.6;
    display: inline-block;
}

.stat-number {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
    letter-spacing: -0.03em;
    line-height: 1;
}

.stat-label {
    font-size: 1rem;
    color: var(--color-text-light);
    font-weight: 500;
    margin-top: var(--spacing-xs);
}

/* ========================================
   COMPARISON TABLE
   ======================================== */

.comparison {
    background: var(--color-bg);
    padding: var(--spacing-2xl) 0;
    position: relative;
}

.infographic-container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-md);
    background: var(--color-bg-light);
    border-radius: 16px;
    border: 1px solid var(--color-border);
    display: flex;
    justify-content: center;
    align-items: center;
    transition: all 0.3s ease;
}

.infographic-container:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
    transform: translateY(-2px);
}

.infographic-image {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 12px;
    max-width: 100%;
}

.comparison-table {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    max-width: 1000px;
    margin: 0 auto;
}

.comparison-column {
    padding: var(--spacing-lg);
    border-radius: 12px;
    border: 1px solid var(--color-border);
}

.comparison-column.traditional {
    background: #fef2f2;
    border-color: #fecaca;
}

.comparison-column.vbf {
    background: #f0fdf4;
    border-color: #bbf7d0;
}

.comparison-column h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    text-align: center;
    font-weight: 600;
    color: var(--color-primary);
}

.comparison-item {
    display: flex;
    align-items: start;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-sm);
    font-size: 1rem;
    line-height: 1.6;
}

/* ========================================
   CARDS
   ======================================== */

.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: var(--spacing-lg);
}

.card {
    padding: var(--spacing-lg);
    background: white;
    border-radius: 16px;
    border: 1px solid var(--color-border);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-accent), transparent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.card:hover {
    border-color: var(--color-primary);
    transform: translateY(-6px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.1);
}

.card:hover::before {
    transform: scaleX(1);
}

.card-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
    opacity: 0.8;
}

.card h3 {
    font-size: 1.5rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
    letter-spacing: -0.01em;
}

.card ul {
    list-style: none;
    padding: 0;
}

.card li {
    padding: var(--spacing-xs) 0;
    padding-left: var(--spacing-md);
    position: relative;
    color: var(--color-text-light);
    line-height: 1.7;
}

.card li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: 600;
}

/* ========================================
   PORTFOLIO GRID
   ======================================== */

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--spacing-md);
    padding: var(--spacing-md) 0;
}

.portfolio-item {
    aspect-ratio: 16/9;
    background: var(--color-bg-light);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 500;
    font-size: 0.875rem;
    color: var(--color-text-light);
    border: 1px solid var(--color-border);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.portfolio-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.05) 0%, transparent 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.portfolio-item:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: white;
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.portfolio-item:hover::before {
    opacity: 1;
}

/* ========================================
   BENEFITS SECTION
   ======================================== */

.benefits {
    background: var(--color-primary);
    color: white;
    padding: var(--spacing-2xl) var(--spacing-md);
    position: relative;
    overflow: hidden;
}

.benefits::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.05) 0%, transparent 70%);
    pointer-events: none;
}

.benefits .section-title {
    color: white;
    position: relative;
    z-index: 1;
}

.benefits .container {
    position: relative;
    z-index: 1;
}

.benefits .card {
    background: white;
    border-color: rgba(255, 255, 255, 0.1);
}

.benefits .card:hover {
    border-color: rgba(255, 255, 255, 0.3);
}

/* ========================================
   TESTIMONIALS
   ======================================== */

.testimonial {
    max-width: 900px;
    margin: var(--spacing-lg) auto;
    padding: var(--spacing-xl);
    background: var(--color-bg-light);
    border-radius: 16px;
    border-left: 4px solid var(--color-primary);
    transition: all 0.3s ease;
    position: relative;
}

.testimonial:hover {
    transform: translateX(4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.testimonial-text {
    font-size: 1.25rem;
    font-style: italic;
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
    line-height: 1.7;
}

.testimonial-author {
    font-weight: 600;
    color: var(--color-text-light);
    font-size: 0.9375rem;
}

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

.final-cta {
    background: var(--color-bg-light);
    padding: var(--spacing-2xl) var(--spacing-md);
    border-top: 1px solid var(--color-border);
}

.cta-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-md);
    max-width: 1200px;
    margin: 0 auto;
}

.cta-box {
    padding: var(--spacing-lg);
    background: white;
    border-radius: 12px;
    border: 1px solid var(--color-border);
    text-align: center;
    transition: all 0.2s ease;
}

.cta-box:hover {
    border-color: var(--color-primary);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.cta-box h3 {
    font-size: 1.75rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
    letter-spacing: -0.01em;
}

.cta-box p {
    font-size: 1rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.cta-box .btn {
    width: 100%;
    margin-bottom: var(--spacing-sm);
}

/* ========================================
   TEAM SECTION
   ======================================== */

.team-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.team-member {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: white;
    border-radius: 12px;
    border: 1px solid var(--color-border);
    transition: all 0.2s ease;
}

.team-member:hover {
    border-color: var(--color-primary);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.team-image-wrapper {
    width: 100%;
    max-width: 200px;
}

.team-image {
    width: 100%;
    height: auto;
    border-radius: 12px;
    object-fit: cover;
    aspect-ratio: 1;
    background: var(--color-bg-light);
    border: 1px solid var(--color-border);
}

.team-content {
    flex: 1;
}

.team-name {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
    letter-spacing: -0.01em;
}

.team-role {
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-text-light);
    margin-bottom: 0.25rem;
}

.team-company {
    font-size: 0.9375rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
    font-style: italic;
}

.team-bio {
    color: var(--color-text-light);
    line-height: 1.8;
}

.team-bio p {
    margin-bottom: var(--spacing-sm);
}

.team-bio p:last-child {
    margin-bottom: 0;
}

.team-why {
    background: var(--color-bg-light);
    padding: var(--spacing-xl);
    border-radius: 12px;
    margin-top: var(--spacing-xl);
    border: 1px solid var(--color-border);
}

.team-why-intro {
    text-align: center;
    font-size: 1.125rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
    font-weight: 500;
}

.team-benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.team-benefit {
    text-align: center;
    padding: var(--spacing-md);
    background: white;
    border-radius: 12px;
    border: 1px solid var(--color-border);
}

.team-benefit-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
    opacity: 0.8;
}

.team-benefit h4 {
    font-size: 1.125rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
}

.team-benefit p {
    color: var(--color-text-light);
    line-height: 1.6;
    font-size: 0.9375rem;
}

.team-why-conclusion {
    text-align: center;
    font-size: 1rem;
    color: var(--color-text);
    line-height: 1.8;
    max-width: 800px;
    margin: 0 auto;
    font-weight: 400;
}

/* ========================================
   FOOTER
   ======================================== */

footer {
    background: var(--color-primary);
    color: white;
    padding: var(--spacing-xl) var(--spacing-md);
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
    max-width: 1280px;
    margin: 0 auto;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-size: 0.9375rem;
    transition: color 0.2s ease;
}

.footer-links a:hover {
    color: white;
}

footer p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.875rem;
}

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

@media (max-width: 768px) {
    .section-title {
        font-size: 2rem;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero p {
        font-size: 1.125rem;
    }

    .comparison-table {
        grid-template-columns: 1fr;
    }

    .nav-links {
        display: none;
    }

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

    .flow-steps {
        flex-direction: column;
    }

    .flow-arrow {
        transform: rotate(90deg);
    }

    .team-member {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
        text-align: center;
    }

    .team-image-wrapper {
        max-width: 180px;
        margin: 0 auto;
    }

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

    .team-why {
        padding: var(--spacing-md);
    }

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

    .container {
        padding: 0 var(--spacing-sm);
    }

    .section {
        margin-bottom: var(--spacing-xl);
    }

    .infographic-container {
        padding: var(--spacing-sm);
        border-radius: 12px;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: var(--spacing-lg) var(--spacing-sm);
    }

    .cta-buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }
}