:root {
    --bg-color: #ffffff;
    --text-color: #000000;
    --primary-color: #FFDE00; /* Yellow */
    --accent-color: #FF6B6B;
    --border-width: 3px;
    --border-style: solid;
    --border-color: #000000;
    --shadow-offset: 5px;
    --font-main: 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 0;
    font-family: var(--font-main);
    background-color: var(--bg-color);
    color: var(--text-color);
    overflow-x: hidden;
}

/* =========================================
   FLEX Layouts
   ========================================= */

#container {
    width: 100vw;
    height: 100vh;
    overflow: hidden;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.scene {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: absolute;
    top: 0;
    left: 0;
    padding: 2rem;
    box-sizing: border-box;
}

.scene.invert {
    background-color: var(--text-color);
    color: var(--bg-color);
}

/* =========================================
   Neo-Brutalist Components
   ========================================= */

.brutal-btn {
    background-color: var(--primary-color);
    color: var(--text-color);
    border: var(--border-width) var(--border-style) var(--border-color);
    box-shadow: var(--shadow-offset) var(--shadow-offset) 0px 0px var(--border-color);
    padding: 1rem 2rem;
    font-size: 1.5rem;
    font-weight: 900;
    cursor: pointer;
    text-transform: uppercase;
    transition: transform 0.1s, box-shadow 0.1s;
    text-decoration: none;
    display: inline-block;
}

.brutal-btn:hover {
    transform: translate(-2px, -2px);
    box-shadow: calc(var(--shadow-offset) + 2px) calc(var(--shadow-offset) + 2px) 0px 0px var(--border-color);
}

.brutal-btn:active {
    transform: translate(2px, 2px);
    box-shadow: 1px 1px 0px 0px var(--border-color);
}

.brutal-card {
    border: var(--border-width) solid var(--border-color);
    padding: 2rem;
    box-shadow: var(--shadow-offset) var(--shadow-offset) 0 0 var(--border-color);
    background: white;
}

/* =========================================
   Animations
   ========================================= */

/* Typing Effect */
.typing-line {
    white-space: nowrap;
    overflow: hidden;
    border-right: 0.15em solid transparent; /* Cursor */
    width: 0;
}

.typing-active {
    animation: typing 1.5s steps(30, end) forwards, blink 0.75s step-end infinite;
    border-right-color: var(--text-color);
    width: var(--target-width); /* variable set by JS */
    transition: width 1.5s steps(30, end);
}

.typing-done {
    width: auto;
    border-right-color: transparent;
}

@keyframes blink {
    from, to { border-color: transparent }
    50% { border-color: var(--text-color) }
}

/* Standard Motions */
.pop-in {
    animation: popIn 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
    opacity: 0;
}

@keyframes popIn {
    0% { transform: scale(0.5); opacity: 0; }
    100% { transform: scale(1); opacity: 1; }
}

.slide-up {
    animation: slideUp 0.6s cubic-bezier(0.23, 1, 0.32, 1) forwards;
    opacity: 0;
    transform: translateY(20px);
}

@keyframes slideUp {
    to { opacity: 1; transform: translateY(0); }
}

.zoom-out {
    animation: zoomOut 0.8s cubic-bezier(0.23, 1, 0.32, 1) forwards;
    transform: scale(1.5);
    opacity: 0;
}

@keyframes zoomOut {
    to { transform: scale(1); opacity: 1; }
}

.slide-in-left {
    animation: slideInLeft 0.5s ease-out forwards;
    opacity: 0;
    transform: translateX(-50px);
}

@keyframes slideInLeft {
    to { opacity: 1; transform: translateX(0); }
}

/* Matrix Effect */
@keyframes matrix-fall {
    0% { transform: translateY(-100%); opacity: 1; }
    100% { transform: translateY(100vh); opacity: 0.8; }
}

/* Word Cycler */
.word-cycler-wrapper {
    height: 1.25em; /* Approximately one line height */
    overflow: hidden;
    display: inline-block;
    vertical-align: bottom;
}