:root {
    --primary-black: #0a0a0a;
    --secondary-gray: #6b7280;
    --light-gray: #f8fafc;
    --pure-white: #ffffff;
    --accent-purple: #8b5cf6;
    --accent-violet: #7c3aed;
    --subtle-border: #e5e7eb;
    --text-primary: #111827;
    --text-secondary: #6b7280;
    --gradient-primary: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--pure-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, #ede9fe 0%, #ddd6fe 100%);
    padding: 140px 24px 100px;
    border-bottom: 1px solid var(--subtle-border);
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.hero-title {
    font-family: 'Poppins', sans-serif;
    font-size: 56px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 24px;
    letter-spacing: -0.025em;
}

.hero-subtitle {
    font-size: 20px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Section Styles */
.section {
    padding: 80px 0;
    border-bottom: 1px solid var(--subtle-border);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-family: 'Poppins', sans-serif;
    font-size: 40px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.section-description {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Advisors Grid */
.advisors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.advisor-card {
    background: var(--pure-white);
    border: 1px solid var(--subtle-border);
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.advisor-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    border-color: var(--accent-purple);
}

.advisor-image {
    width: 100%;
    height: 250px;
    overflow: hidden;
    background: linear-gradient(135deg, #ede9fe 0%, #ddd6fe 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.placeholder-image {
    width: 100px;
    height: 100px;
    color: var(--accent-purple);
    opacity: 0.5;
}

.placeholder-image svg {
    width: 100%;
    height: 100%;
}

.advisor-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.advisor-card:hover .advisor-image img {
    transform: scale(1.05);
}

.advisor-content {
    padding: 24px;
}

.advisor-name {
    font-family: 'Poppins', sans-serif;
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.advisor-role {
    font-size: 14px;
    font-weight: 500;
    color: var(--accent-purple);
    margin-bottom: 12px;
}

.advisor-bio {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 12px;
}

.advisor-bio:last-of-type {
    margin-bottom: 0;
}

.advisor-bio-full {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease-out, margin-top 0.4s ease-out;
    margin-top: 0;
}

.advisor-bio-full.expanded {
    max-height: 1000px;
    margin-top: 12px;
    transition: max-height 0.5s ease-in, margin-top 0.4s ease-in;
}

.learn-more-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 16px;
    padding: 8px 16px;
    background: transparent;
    border: 1px solid var(--accent-purple);
    border-radius: 6px;
    color: var(--accent-purple);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.learn-more-btn:hover {
    background: var(--accent-purple);
    color: var(--pure-white);
    transform: translateY(-1px);
}

.learn-more-icon {
    width: 16px;
    height: 16px;
    transition: transform 0.3s ease;
}

.learn-more-btn[data-expanded="true"] .learn-more-icon {
    transform: rotate(180deg);
}

/* Expertise Section */
.expertise-section {
    background: var(--light-gray);
}

.expertise-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.expertise-card {
    background: var(--pure-white);
    border: 1px solid var(--subtle-border);
    border-radius: 16px;
    padding: 32px;
    text-align: center;
    transition: all 0.3s ease;
}

.expertise-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1);
    border-color: var(--accent-purple);
}

.expertise-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    color: var(--accent-purple);
}

.expertise-icon svg {
    width: 100%;
    height: 100%;
}

.expertise-title {
    font-family: 'Poppins', sans-serif;
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.expertise-description {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Become Advisor Section */
.become-advisor-section {
    background: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%);
    color: var(--pure-white);
    border: none;
}

.become-advisor-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.become-advisor-title {
    font-family: 'Poppins', sans-serif;
    font-size: 40px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--pure-white);
}

.become-advisor-description {
    font-size: 18px;
    margin-bottom: 32px;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.7;
}

/* Button */
.btn {
    display: inline-block;
    padding: 14px 32px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.2s ease;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--pure-white);
    color: var(--accent-purple);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 40px;
    }

    .hero-subtitle {
        font-size: 18px;
    }

    .section-title {
        font-size: 32px;
    }

    .section {
        padding: 60px 0;
    }

    .advisors-grid,
    .expertise-grid {
        grid-template-columns: 1fr;
    }

    .become-advisor-title {
        font-size: 32px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 32px;
    }

    .hero-section {
        padding: 120px 16px 80px;
    }

    .section {
        padding: 40px 0;
    }

    .container {
        padding: 0 16px;
    }

    .section-title {
        font-size: 28px;
    }

    .advisor-content {
        padding: 20px;
    }

    .expertise-card {
        padding: 24px;
    }
}