@charset "utf-8";

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

:root {
    --text-color: #ffffff;
    --accent-color: #00ff80;
    --background-color: #000000;
    --font-primary: 'Helvetica', sans-serif;
    --font-secondary: 'Arial', sans-serif;
}

body {
    background-color: var(--background-color);
    font-family: var(--font-secondary);
    color: var(--text-color);
    line-height: 1.8; 
    width: 100%;
}

.hero {
    min-height: 100vh;
    width: 100%;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 4rem 2rem;
    overflow: hidden;
}

.back-video {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: translate(-50%, -50%);
    z-index: -1;
}

.container {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

h1, h2, h3 {
    font-family: Helvetica(--font-primary);
    font-weight: 600;
    line-height: 1.8; 
    margin-bottom: 1rem;
}

.title {
    font-size: clamp(1rem, 3vw, 2rem);
    font-weight: 700;
    line-height: 2.2; 
}

.large {
    font-size: clamp(2rem, 6vw, 4.5rem);
    font-weight: 700;
    line-height: 2.2; 
}

.large2{
    font-size: clamp(1.5rem, 4.5vw, 3rem);
    font-weight: 700;
    line-height: 2.2; 
}

.section-title {
    font-size: clamp(1.5rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: 2rem;
    line-height: 2;
}

.about-info h2 {
    font-weight: 400;
    font-size: 1.5rem;
    line-height: 2;
}

.project-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.project-list li a,
h3 a {
    font-size: 1.25rem;
    font-weight: 400;
    line-height: 2;
}

a {
    color: var(--text-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--accent-color);
    text-decoration: underline;
}

a:visited {
    color: var(--text-color);
}

.button-container {
    width: 100%;
    text-align: center;
    margin-top: 3rem;
}

button {
    background: transparent;
    border: 1px solid var(--text-color);
    color: var(--text-color);
    padding: 0.8rem 2rem;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

button:hover {
    background-color: var(--text-color);
    color: var(--background-color);
}

tr:not(:last-child) td {
    padding-bottom: 3rem;
}

table {
    width: 92.5%;
    border: none;
    margin: 0 auto;
    border-collapse: separate;
    border-spacing: 0.5rem;
    overflow: hidden;
    padding-bottom: 2rem;
}

.td1 {
    text-align: left;
    padding-right: 2rem;
    vertical-align: top;
}

.td2 {
    flex: 1;
    min-width: 2rem;
}

.td3 {
    text-align: right;
    padding-left: 1rem;
    vertical-align: top;
}

.center{
    margin-left: auto;
    margin-right: auto;
}