/**
 * Zhdanoff.net - Base Styles
 * Reset and fundamental styles
 */

/* Google Fonts Import */
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;600;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Material+Symbols+Outlined:wght,FILL@100..700,0..1&display=swap');

/* CSS Variables */
@import url('./variables.css');

/* Reset */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-regular);
    line-height: var(--line-height-normal);
    color: var(--color-on-surface);
    background-color: var(--color-background);
    min-height: 100vh;
    overflow-x: hidden;
}

/* Selection */
::selection {
    background-color: var(--color-primary-container);
    color: var(--color-on-primary);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-family);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-tight);
    color: var(--color-on-background);
}

h1 {
    font-size: var(--font-size-7xl);
    letter-spacing: var(--tracking-tighter);
}

h2 {
    font-size: var(--font-size-5xl);
    letter-spacing: var(--tracking-tighter);
}

h3 {
    font-size: var(--font-size-3xl);
    letter-spacing: var(--tracking-tight);
}

h4 {
    font-size: var(--font-size-xl);
    letter-spacing: var(--tracking-normal);
}

h5 {
    font-size: var(--font-size-lg);
    letter-spacing: var(--tracking-normal);
}

h6 {
    font-size: var(--font-size-base);
    letter-spacing: var(--tracking-wide);
    text-transform: uppercase;
}

p {
    margin-bottom: var(--space-4);
    color: var(--color-on-surface);
    opacity: 0.8;
}

a {
    color: var(--color-primary-container);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-accent-green);
}

/* Lists */
ul, ol {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Material Symbols */
.material-symbols-outlined {
    font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
    vertical-align: middle;
}

/* Container */
.container {
    width: 100%;
    max-width: var(--max-width-screen);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* Screen Reader Only */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Focus Styles */
:focus-visible {
    outline: 2px solid var(--color-primary-container);
    outline-offset: 2px;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 4px;
    height: 4px;
}

::-webkit-scrollbar-track {
    background: var(--color-background);
}

::-webkit-scrollbar-thumb {
    background: var(--color-primary-container);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-accent-green-dim);
}

/* Utility Classes */
.text-primary {
    color: var(--color-primary-container);
}

.text-secondary {
    color: var(--color-secondary);
}

.text-muted {
    color: var(--color-on-surface);
    opacity: 0.6;
}

.text-accent {
    color: var(--color-accent-green);
}

.bg-surface {
    background-color: var(--color-surface-low);
}

.bg-surface-lowest {
    background-color: var(--color-surface-lowest);
}

.bg-surface-container {
    background-color: var(--color-surface-container);
}

/* Terminal Cursor Animation */
.terminal-cursor::after {
    content: '_';
    animation: blink 1s step-end infinite;
}

@keyframes blink {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0;
    }
}

/* Glass Panel */
.glass-panel {
    background: rgba(53, 53, 53, 0.6);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

/* Grid Layouts */
.grid-bento {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: var(--space-8);
}

/* Responsive Grid */
@media (max-width: 1024px) {
    .grid-bento {
        grid-template-columns: repeat(6, 1fr);
    }
}

@media (max-width: 768px) {
    .grid-bento {
        grid-template-columns: 1fr;
    }
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in {
    animation: fadeIn var(--transition-slow) ease-out;
}

.animate-slide-up {
    animation: slideUp var(--transition-slow) ease-out;
}