@import url("./variables.css");

@font-face {
    font-family: "Inter";
    src: url("./src/fonts/inter.ttf") format("truetype");
    font-style: normal;
    font-weight: 100 900;
    font-display: swap;
}

@font-face {
    font-family: "Inter";
    src: url("./src/fonts/inter-italic.ttf") format("truetype");
    font-style: italic;
    font-weight: 100 900;
    font-display: swap;
}

* {
    margin: 0;
    padding: 0;
    
    font-family: "Inter", sans-serif;
    font-optical-sizing: auto;
    font-style: normal;
    font-weight: 500;

    transition: all 0.15s ease-out;
}

html,
body {
    min-height: 100vh;
    width: 100dvw;
    cursor: var(--cursor-default);
}

body {
    font-size: 18px;
    background-color: var(--color-background);
    color: var(--color-text);

    position: relative;
    margin: 0;
    padding: 0;

    display: flex;
    flex-direction: column;
    box-sizing: border-box;
    width: 100%;
}

.menu {
    position: fixed;
    left: 0;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding: 30px 16px;
    margin-left: var(--spacing-small);
    margin-top: var(--spacing-large);
    gap: 6px;
    box-sizing: border-box;
    width: 250px;
    font-size: 1.05em;

    flex: none;
    order: 0;
    align-self: stretch;
    flex-grow: 0;
}

.content {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding: var(--spacing-small) var(--spacing-xlarge) 0 var(--spacing-xlarge);
    gap: var(--spacing-small);

    box-sizing: border-box;
    width: 100%;

    flex: none;
    order: 1;
    flex-grow: 1;
}

section {
    width: 100%;
    box-sizing: border-box;

    display: grid;
    grid-template-columns: repeat(2, 1fr);
    padding: var(--spacing-large) var(--spacing-medium);
    gap: var(--spacing-small);
}

.about-section {
    display: flex;
    flex-grow: 0;
    flex-direction: column;
    align-items: flex-start;
    padding: 0;
    gap: var(--spacing-small);
    box-sizing: border-box;
    max-width: 500px;
}

.about-section * {
    flex: none;
    order: 0;
    align-self: stretch;
    flex-grow: 0;
}

.half-section {
    width: 50%;
}

footer {
    width: 100%;
    box-sizing: border-box;

    display: grid;
    grid-template-columns: repeat(4, 1fr);
    padding: var(--spacing-large) var(--spacing-medium);
    gap: var(--spacing-small);
    opacity: .7;
}

footer div {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding: 0;
    gap: 2px;
}

/* Typography */

p {
    font-weight: 400;
    font-size: 1em;
    line-height: 140%;
    letter-spacing: -0.02em;
}

.lad-h2 {
    font-size: 2.14em;
}

.lad-h4 {
    font-weight: 600;
    font-size: 1.15em;
    line-height: 150%;
    letter-spacing: -0.035em;
}

.lad-label {
    font-size: .75em;
    line-height: 120%;
    letter-spacing: -0.01em;
    text-transform: uppercase;
    color: var(--color-accent);
}

.lad-caption {
    font-weight: 400;
    font-size: .85em;
    line-height: 120%;
    letter-spacing: -0.02em;
}

/* Background */

.hero {
    position: fixed;
    background: var(--color-background);
    overflow: hidden;
    width: 100%;
    height: 100vh;
    z-index: -55;
}

.hero video {
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    mix-blend-mode: screen;
    opacity: 0.35;
}

.hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background: rgba(0, 21, 255, 0.55);
    mix-blend-mode: hue;
    z-index: 2;
}

/* Links */

a {
    color: var(--link-color);
    text-decoration: none;
    transition: color 0.2s ease;
    cursor: var(--cursor-pointer);
}

a:hover {
    color: var(--link-hover-color);
}

button[hidden] {
    display: none;
}

button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 18px;
    border-radius: 666px;

    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;

    background: none;
    border: none;
    outline: none;

    transition: all 0.15s;
    cursor: var(--cursor-pointer);
}

button:hover {
    transform: scale(1.03);
}

.btn-primary {
    background: var(--button-primary-background);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--color-text);
    box-shadow: 
        0 -1px 3px rgba(85, 110, 255, 0.2), 
        0 -2px 5px rgba(85, 110, 255, 0.1),
        0 -5px 15px rgba(85, 110, 255, 0.1);
}

.btn-primary:hover {
    background: var(--button-primary-background-hover);
    box-shadow: 
        0 -1px 3px rgba(85, 110, 255, 0.3), 
        0 -2px 7px rgba(85, 110, 255, 0.2),
        0 -6px 18px rgba(85, 110, 255, 0.2);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-text);
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
}

.btn.is-disabled {
    opacity: 0.5;
    pointer-events: none;
}

.menu-btn {
    font-style: normal;
    font-weight: 400;
    font-size: .95em;
    display: flex;
    align-items: center;
    letter-spacing: -0.02em;
    color: var(--color-text);
    opacity: 0.55;
    padding: 5px;

    text-decoration: none;
    background: none;
    border: none;
    outline: none;
}

.menu-btn:hover {
    color: var(--color-accent);
    text-decoration: none;
    opacity: 1;
}

.menu-btn.active {
    opacity: 1;
}

@media (max-width: 1500px) {
    .half-section {
        width: 80%;
    }
}

@media (max-width: 1000px) {
    .menu {
        margin-left: var(--spacing-small);
        padding-left: 0;
    }
}

@media (max-width: 800px) {
    section {
        display: flex;
        flex-direction: column;
        gap: var(--spacing-medium);
        padding: 0;
    }

    .about-section {
        max-width: none;
        padding-bottom: var(--spacing-small);
        gap: 12px;
    }

    footer {
        display: flex;
        justify-content: space-between;
        padding: 0;
        padding-bottom: var(--spacing-large);
    }

    .menu {
        position: relative;
        flex-direction: row;
        gap: 16px;
        margin: var(--spacing-xlarge);
        margin-bottom: 0;
        padding: 0;
    }

    .menu-btn {
        padding: 0;
    }
}