/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --sage: #cbd29b;
    --teal: #93b7c2;
    --dark-grey: #2d2d2d;
    --white: #ffffff;
    --cream: #faf9f6;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    color: var(--dark-grey);
    line-height: 1.6;
    background-color: var(--cream);
}

/* Container */
.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Header & Navigation */
header {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: var(--white);
    backdrop-filter: blur(10px);
    border-bottom: 3px solid var(--sage);
    z-index: 1000;
    box-shadow: 0 2px 12px rgba(147, 183, 194, 0.1);
}

.nav-content {
    max-width: 1000px;
    margin: 0 auto;
    padding: 20px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 18px;
    font-weight: 700;
    color: var(--dark-grey);
    text-decoration: none;
    transition: color 0.3s ease;
}

.logo:hover {
    color: var(--teal);
}

.nav-links {
    display: flex;
    gap: 32px;
    list-style: none;
}

.nav-links a {
    color: var(--dark-grey);
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    padding-bottom: 4px;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--sage), var(--teal));
    transition: width 0.3s ease;
}

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

/* Hero Section */
.hero {
    padding: 140px 0 80px;
    text-align: center;
    background: linear-gradient(135deg, var(--sage) 0%, var(--teal) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: repeating-linear-gradient(
        45deg,
        transparent,
        transparent 10px,
        rgba(255, 255, 255, 0.03) 10px,
        rgba(255, 255, 255, 0.03) 20px
    );
}

.hero-content {
    max-width: 600px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.headshot {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 32px;
    border: 6px solid var(--white);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
}

h1 {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 12px;
    color: var(--white);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
}

.tagline {
    font-size: 20px;
    color: var(--white);
    font-weight: 600;
    opacity: 0.95;
}

/* About Section */
.about {
    padding: 80px 0;
    background-color: var(--white);
}

.about-content {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.about-content p {
    font-size: 19px;
    line-height: 1.8;
    margin-bottom: 20px;
    color: var(--dark-grey);
}

.personal-notes {
    margin-top: 48px;
    padding: 32px;
    background: linear-gradient(135deg, rgba(203, 210, 155, 0.15), rgba(147, 183, 194, 0.15));
    border-radius: 12px;
    border-left: 5px solid var(--teal);
}

.personal-notes p {
    font-size: 17px;
    color: var(--dark-grey);
    font-style: italic;
    font-weight: 500;
}

/* Featured Section */
.featured {
    padding: 80px 0;
    background: var(--cream);
}

h2 {
    font-size: 36px;
    font-weight: 800;
    margin-bottom: 50px;
    text-align: center;
    color: var(--dark-grey);
    position: relative;
    padding-bottom: 16px;
}

h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--sage), var(--teal));
    border-radius: 2px;
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
    max-width: 900px;
    margin: 0 auto;
}

.article-card {
    background-color: var(--white);
    border: 3px solid var(--sage);
    border-radius: 16px;
    padding: 40px 32px;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
}

.article-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 6px;
    background: linear-gradient(90deg, var(--sage), var(--teal));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

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

.article-card:hover {
    border-color: var(--teal);
    transform: translateY(-8px);
    box-shadow: 0 16px 40px rgba(147, 183, 194, 0.25);
}

.article-card a {
    text-decoration: none;
    color: inherit;
}

.article-card h3 {
    font-size: 21px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--dark-grey);
    line-height: 1.4;
}

.publication {
    font-size: 15px;
    color: var(--teal);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Podcasts Section */
.podcasts {
    padding: 80px 0;
    background: linear-gradient(135deg, rgba(203, 210, 155, 0.2), rgba(147, 183, 194, 0.2));
}

.podcasts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 40px;
    max-width: 1000px;
    margin: 0 auto;
}

.video-container {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    height: 0;
    overflow: hidden;
    border-radius: 16px;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
    border: 4px solid var(--white);
    transition: all 0.3s ease;
}

.video-container:hover {
    transform: scale(1.02);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.2);
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 12px;
}

/* Office Hours Section */
.office-hours {
    padding: 80px 0;
    background-color: var(--white);
}

.office-hours-intro {
    text-align: center;
    font-size: 19px;
    color: var(--dark-grey);
    max-width: 650px;
    margin: 0 auto 50px;
    font-weight: 500;
}

/* Contact Section */
.contact {
    padding: 60px 0;
    background: linear-gradient(135deg, var(--teal), var(--sage));
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 28px;
}

.social-links a {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background-color: var(--white);
    color: var(--dark-grey);
    transition: all 0.3s ease;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.social-links a:hover {
    background-color: var(--dark-grey);
    color: var(--white);
    transform: translateY(-6px) scale(1.1);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

/* Footer */
footer {
    padding: 40px 0;
    text-align: center;
    background-color: var(--dark-grey);
}

footer p {
    font-size: 14px;
    color: var(--white);
    opacity: 0.8;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        gap: 20px;
        font-size: 14px;
    }

    h1 {
        font-size: 36px;
    }

    h2 {
        font-size: 30px;
    }

    .headshot {
        width: 160px;
        height: 160px;
    }

    .about-content p {
        font-size: 17px;
    }

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

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

    .hero {
        padding: 120px 0 60px;
    }
}

@media (max-width: 480px) {
    .nav-content {
        flex-direction: column;
        gap: 16px;
    }

    .nav-links {
        gap: 16px;
    }

    h1 {
        font-size: 30px;
    }

    .container {
        padding: 0 16px;
    }

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

    .video-container {
        min-height: 200px;
    }
}