@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: #000000;
    color: #ffffff;
    min-height: 100vh;
    overflow-x: hidden;
}

/* Navigation - pill style */
header {
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    padding: 0;
    background: transparent;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 40px;
}

.navbar .logo img {
    height: 36px;
}

nav ul {
    list-style: none;
    display: flex;
    gap: 10px;
    margin: 0;
    padding: 0;
}

nav ul li {
    display: inline;
}

nav ul li a {
    text-decoration: none;
    color: #ffffff;
    font-weight: 500;
    font-size: 14px;
    padding: 10px 20px;
    border-radius: 100px;
    background-color: #1c1c1e;
    transition: background-color 0.3s ease;
    display: inline-block;
}

nav ul li a:hover {
    background-color: #2c2c2e;
}

/* Hero Section */
.hero {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 60px;
    min-height: 100vh;
    gap: 60px;
}

.hero-content {
    max-width: 55%;
    color: #ffffff;
}

.hero-content h1 {
    font-size: 48px;
    margin: 0 0 28px 0;
    font-weight: 600;
    color: #ffffff;
    line-height: 1.15;
    letter-spacing: -0.02em;
}

.hero-content .highlight {
    color: #ffffff;
    font-weight: 700;
}

.hero-content p {
    font-size: 16px;
    line-height: 1.7;
    margin: 0 0 18px 0;
    color: rgba(255, 255, 255, 0.55);
    font-weight: 400;
}

.hero-image {
    flex-shrink: 0;
}

.hero-image img {
    max-width: 360px;
    border-radius: 24px;
}

/* Buttons */
.contact-button,
.publications-button {
    margin-top: 28px;
    padding: 12px 28px;
    font-size: 14px;
    font-family: 'Inter', sans-serif;
    font-weight: 500;
    color: #fff;
    background-color: #1c1c1e;
    border: none;
    border-radius: 100px;
    cursor: pointer;
    transition: background-color 0.3s ease;
    margin-right: 10px;
}

.contact-button:hover,
.publications-button:hover {
    background-color: #2c2c2e;
}

/* Contact Form */
.contact-form {
    margin-top: 28px;
    background-color: #1c1c1e;
    padding: 32px;
    border-radius: 24px;
}

.contact-form label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.4);
    margin-bottom: 6px;
    margin-top: 18px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.contact-form label:first-of-type {
    margin-top: 0;
}

.contact-form input[type="text"],
.contact-form input[type="email"],
.contact-form textarea {
    width: 100%;
    padding: 12px 16px;
    font-size: 15px;
    font-family: 'Inter', sans-serif;
    color: #ffffff;
    background-color: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    outline: none;
    transition: border-color 0.3s ease;
}

.contact-form input[type="text"]:focus,
.contact-form input[type="email"]:focus,
.contact-form textarea:focus {
    border-color: rgba(255, 255, 255, 0.25);
}

.contact-form textarea {
    resize: vertical;
    min-height: 100px;
}

.contact-form br {
    display: none;
}

.form-title {
    font-size: 15px;
    margin-bottom: 24px;
    color: rgba(255, 255, 255, 0.55);
    font-weight: 400;
}

.submit-button {
    margin-top: 20px;
    padding: 12px 32px;
    font-size: 14px;
    font-family: 'Inter', sans-serif;
    font-weight: 500;
    color: #000;
    background-color: #ffffff;
    border: none;
    border-radius: 100px;
    cursor: pointer;
    transition: opacity 0.3s ease;
}

.submit-button:hover {
    opacity: 0.85;
}

/* Publications List */
.publications-list {
    margin-top: 28px;
    background-color: #1c1c1e;
    padding: 32px;
    border-radius: 24px;
}

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

.publications-list li {
    font-size: 15px;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.55);
    font-weight: 400;
}

.publications-list a {
    color: #ffffff;
    text-decoration: underline;
    text-decoration-color: rgba(255, 255, 255, 0.3);
    text-underline-offset: 3px;
    transition: text-decoration-color 0.3s ease;
    word-break: break-all;
}

.publications-list a:hover {
    text-decoration-color: #ffffff;
}

/* Social Media */
.social-media {
    margin-top: 24px;
}

.social-media p {
    font-size: 13px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: rgba(255, 255, 255, 0.35);
    margin-bottom: 12px;
}

.social-media ul {
    list-style: none;
    padding: 0;
    display: flex;
    gap: 10px;
}

.social-media ul li a {
    color: #ffffff;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    padding: 10px 20px;
    border-radius: 100px;
    background-color: #1c1c1e;
    transition: background-color 0.3s ease;
    display: inline-block;
}

.social-media ul li a:hover {
    background-color: #2c2c2e;
}

/* Responsive */
@media (max-width: 768px) {
    .navbar {
        padding: 16px 20px;
    }

    .hero {
        flex-direction: column;
        align-items: flex-start;
        padding: 0 24px;
        padding-top: 120px;
        min-height: auto;
        padding-bottom: 60px;
    }

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

    .hero-content h1 {
        font-size: 32px;
    }

    .hero-image {
        width: 100%;
        text-align: center;
        margin-top: 32px;
    }

    .hero-image img {
        width: 200px;
        height: auto;
    }

    nav {
        min-width: 0;
        flex: 1 1 0;
    }

    nav ul {
        flex-wrap: nowrap;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        gap: 8px;
        padding: 0 8px 4px 0;
    }

    nav ul::-webkit-scrollbar {
        display: none;
    }

    nav ul li {
        flex-shrink: 0;
    }

    nav ul li a {
        font-size: 14px;
        padding: 10px 18px;
    }
}

@media (max-width: 480px) {
    .navbar {
        padding: 14px 16px;
    }

    nav ul {
        flex-wrap: nowrap;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        gap: 6px;
        padding-right: 8px;
    }

    nav ul::-webkit-scrollbar {
        display: none;
    }

    nav ul li {
        flex-shrink: 0;
    }

    nav ul li a {
        font-size: 13px;
        padding: 9px 15px;
    }

    .hero {
        padding: 0 20px;
        padding-top: 110px;
        padding-bottom: 40px;
    }

    .hero-content h1 {
        font-size: 28px;
    }

    .hero-content p {
        font-size: 14px;
    }

    .hero-image img {
        width: 160px;
    }

    .contact-form,
    .publications-list {
        padding: 20px;
        border-radius: 16px;
    }
}

.nav-scroll-hint {
    display: none;
}

@media (max-width: 768px) {
    .nav-scroll-hint {
        display: block;
        position: absolute;
        bottom: 4px;
        right: 16px;
        color: rgba(255, 255, 255, 0.9);
        font-size: 10px;
        font-weight: 500;
        font-family: 'Inter', sans-serif;
        z-index: 10;
        pointer-events: none;
        white-space: nowrap;
    }
}