/* Portfolio Styles - Ethan Blair */

:root {
    --bg-primary: #fff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #64748b;
    --border: rgba(226, 232, 240, .5);
    --border-hover: rgba(148, 163, 184, .3);
    --accent: #6366f1;
    --accent-hover: #4f46e5;
    --accent-light: rgba(99, 102, 241, .1);
    --accent-glow: rgba(99, 102, 241, .4);
    --card-text: #1f2937;
    --card-meta: #334155;
    --lang-pill-bg: #eef2ff;
    --lang-pill-text: #1f2937;
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-mesh: radial-gradient(at 40% 20%, hsla(237, 69%, 65%, .2) 0, transparent 50%), radial-gradient(at 80% 0%, hsla(189, 75%, 60%, .15) 0, transparent 50%), radial-gradient(at 0% 50%, hsla(343, 70%, 65%, .1) 0, transparent 50%);
    --shadow-sm: 0 1px 3px 0 #0000000a, 0 1px 2px -1px #0000000a;
    --shadow: 0 10px 25px -5px #0000001a, 0 8px 10px -6px #0000001a;
    --shadow-lg: 0 20px 40px -15px #00000026;
    --shadow-glow: 0 0 40px #6366f133;
    --blur-bg: saturate(180%) blur(20px);
    --transition: all .3s cubic-bezier(.4, 0, .2, 1);
    --transition-fast: all .2s cubic-bezier(.4, 0, .2, 1)
}

.theme-dark {
    --bg-primary: #0a0a0a;
    --bg-secondary: #111;
    --bg-tertiary: #1a1a1a;
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --border: rgba(51, 65, 85, .4);
    --border-hover: rgba(148, 163, 184, .2);
    --accent: #818cf8;
    --accent-hover: #6366f1;
    --accent-light: rgba(129, 140, 248, .15);
    --accent-glow: rgba(129, 140, 248, .3);
    --card-text: var(--text-primary);
    --card-meta: var(--text-muted);
    --lang-pill-bg: rgba(129, 140, 248, .15);
    --lang-pill-text: #c7d2fe;
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #9333ea 100%);
    --shadow-sm: 0 1px 3px 0 #0003;
    --shadow: 0 10px 40px -10px #00000080;
    --shadow-lg: 0 20px 50px -20px #000000cc;
    --shadow-glow: 0 0 60px #818cf826
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Inter", system-ui, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    position: relative
}

body::before {
    content: '';
    position: fixed;
    inset: 0;
    background: var(--gradient-mesh);
    pointer-events: none;
    z-index: 0
}

h1,
h2,
h3,
h4,
h5,
h6 {
    line-height: 1.2;
    font-weight: 700;
    letter-spacing: -.02em
}

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

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
    position: relative;
    z-index: 1
}

/* Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, .7);
    backdrop-filter: var(--blur-bg);
    border-bottom: 1px solid var(--border);
    transition: var(--transition)
}

.theme-dark header {
    background: rgba(10, 10, 10, .7)
}

header.scrolled {
    box-shadow: var(--shadow-sm)
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 0;
    min-height: 4.5rem
}

.brand h1 {
    font-size: 1.5rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text
}

.brand p {
    color: var(--text-secondary);
    font-size: .875rem;
    margin-top: .25rem
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 1rem
}

.social-buttons {
    display: flex;
    gap: .5rem;
    margin: 0 2rem
}

/* Consolidated Button Styles - base for .btn, .nav-btn, .theme-toggle */
.btn,
.nav-btn,
.theme-toggle {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    border-radius: 9999px;
    font-weight: 600;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, .05);
    backdrop-filter: blur(10px);
    color: var(--text-primary);
    transition: var(--transition);
    overflow: hidden;
    cursor: pointer
}

.btn::before,
.nav-btn::before,
.theme-toggle::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: var(--accent-light);
    transform: translate(-50%, -50%);
    transition: width .6s, height .6s
}

.btn:hover,
.nav-btn:hover,
.theme-toggle:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
    border-color: var(--accent)
}

.btn {
    padding: .875rem 2rem;
    font-size: .9rem
}

.btn:hover::before {
    width: 300px;
    height: 300px
}

.btn:hover {
    transform: translateY(-3px)
}

.nav-btn {
    padding: .5rem 1rem;
    font-size: .8rem
}

.nav-btn:hover::before {
    width: 200px;
    height: 200px
}

.theme-toggle {
    padding: .625rem 1.25rem;
    font-size: .875rem;
    background: rgba(255, 255, 255, .1)
}

.theme-toggle:hover::before {
    width: 100px;
    height: 100px
}

.btn.primary,
.nav-btn.primary {
    background: var(--gradient-primary);
    color: #fff;
    border: none;
    box-shadow: var(--shadow-glow)
}

.btn.primary:hover,
.nav-btn.primary:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: var(--shadow-lg), var(--shadow-glow)
}

/* Main & Hero */
main {
    margin-top: 4.5rem;
    position: relative;
    z-index: 1
}

.hero {
    padding: 6rem 0 4rem;
    position: relative;
    background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
    overflow: hidden
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -25%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, var(--accent-light) 0%, transparent 70%);
    animation: float 20s ease-in-out infinite
}

@keyframes float {

    0%,
    100% {
        transform: translate(0, 0) rotate(0)
    }

    33% {
        transform: translate(30px, -30px) rotate(120deg)
    }

    66% {
        transform: translate(-20px, 20px) rotate(240deg)
    }
}

.hero h2 {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 900;
    margin-bottom: 1.5rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInUp .8s ease-out
}

.hero p {
    color: var(--text-secondary);
    max-width: 700px;
    font-size: 1.25rem;
    line-height: 1.8;
    animation: fadeInUp .8s ease-out .2s backwards
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px)
    }

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

section {
    padding: 2rem 0;
    position: relative
}

section h3 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 3rem;
    text-align: center;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text
}

/* Skills Columns */
.cols {
    display: grid;
    gap: 2rem;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr))
}

.col {
    background: rgba(255, 255, 255, .02);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border);
    border-radius: 1.5rem;
    padding: 2rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden
}

.col::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform .3s ease
}

.col:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--border-hover);
    background: rgba(255, 255, 255, .05)
}

.col:hover::before {
    transform: scaleX(1)
}

.col h4 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--text-primary)
}

.col ul {
    list-style: none;
    color: var(--text-secondary)
}

.col li {
    padding: .5rem 0 .5rem 1.5rem;
    position: relative
}

.col li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: 700
}

.primary-col {
    background: rgba(99, 102, 241, .05);
    border-color: var(--accent-light);
    grid-column: 1/-1
}

.theme-dark .primary-col {
    background: rgba(129, 140, 248, .1)
}

.primary-col::before {
    transform: scaleX(1)
}

.primary-col h4 {
    text-align: center
}

.github-stats {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2%
}

.github-stats img {
    width: 48%;
    height: 200px;
    object-fit: contain;
    filter: drop-shadow(0 4px 8px #0000001a);
    transition: var(--transition);
    border-radius: .5rem
}

.theme-dark .github-stats img {
    filter: drop-shadow(0 4px 8px #0000004d)
}

.primary-col:hover .github-stats img {
    transform: scale(1.02)
}

/* Project Controls & Cards */
.controls {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    flex-wrap: wrap;
    margin-bottom: 3rem;
    padding: 1.5rem;
    background: rgba(255, 255, 255, .02);
    backdrop-filter: blur(10px);
    border-radius: 1.5rem;
    border: 1px solid var(--border)
}

.theme-dark .controls {
    background: rgba(17, 17, 17, .6)
}

.filters {
    display: flex;
    gap: .75rem;
    flex-wrap: wrap
}

.chip {
    padding: .5rem 1.25rem;
    border-radius: 9999px;
    font-size: .875rem;
    font-weight: 600;
    cursor: pointer;
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text-secondary);
    transition: var(--transition)
}

.chip:hover {
    transform: translateY(-2px);
    border-color: var(--accent);
    color: var(--accent)
}

.chip[aria-pressed="true"] {
    background: var(--gradient-primary);
    color: #fff;
    border: none;
    box-shadow: var(--shadow-sm)
}

.theme-dark .chip,
.theme-dark .sort {
    background: var(--accent);
    color: var(--text-primary);
    border-color: transparent
}

.theme-dark .chip:hover {
    filter: brightness(1.05)
}

.sort {
    padding: .625rem 1.25rem;
    border-radius: .75rem;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, .02);
    color: var(--text-primary);
    font-size: .875rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition)
}

.sort:hover {
    border-color: var(--accent)
}

.group {
    margin-bottom: 4rem
}

.group h4 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 2rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 1rem
}

.group h4::after {
    content: '';
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, var(--border) 0%, transparent 100%)
}

.grid {
    display: grid;
    gap: 1.5rem;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr))
}

/* Cards - consolidated hover styles */
.card {
    background: rgba(255, 255, 255, .02);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border);
    border-radius: 1.5rem;
    padding: 1.75rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    opacity: 0;
    transform: translateY(30px);
    color: var(--card-text);
    text-align: center;
    align-items: center
}

.card::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: var(--gradient-primary);
    border-radius: 1.5rem;
    opacity: 0;
    z-index: -1;
    transition: opacity .3s ease
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
    background: rgba(255, 255, 255, .05)
}

.card:hover::before {
    opacity: 1
}

.card.animate-in {
    opacity: 1;
    transform: translateY(0)
}

.card h5 {
    font-size: 1.25rem;
    font-weight: 700
}

.card h5 a {
    color: var(--card-text)
}

.theme-dark .card h5 a,
.theme-dark .card:hover h5 a {
    color: var(--text-primary)
}

.desc {
    color: var(--card-text);
    line-height: 1.6;
    flex: 1
}

.meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
    font-size: .875rem;
    color: var(--card-meta);
    justify-content: center
}

.lang {
    padding: .25rem .75rem;
    border-radius: 9999px;
    background: var(--lang-pill-bg);
    color: var(--lang-pill-text);
    font-weight: 600;
    font-size: .75rem
}

:not(.theme-dark) .card:hover,
:not(.theme-dark) .card:hover h5 a,
:not(.theme-dark) .card:hover .desc,
:not(.theme-dark) .card:hover .meta,
:not(.theme-dark) .card:hover .gh-link {
    color: #fff
}

:not(.theme-dark) .card:hover .lang {
    background: rgba(255, 255, 255, .2);
    color: #fff
}

.actions {
    margin-top: auto;
    padding-top: 1rem;
    display: flex;
    justify-content: center
}

.gh-link {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    color: var(--accent);
    font-weight: 600;
    font-size: .9rem;
    transition: var(--transition-fast)
}

.gh-link:hover {
    color: var(--accent-hover);
    transform: translateX(3px)
}

.empty {
    grid-column: 1/-1;
    padding: 3rem;
    text-align: center;
    border: 2px dashed var(--border);
    border-radius: 1.5rem;
    color: var(--text-muted);
    background: var(--bg-tertiary)
}

/* Footer & Accessibility */
footer {
    padding: 3rem 0;
    text-align: center;
    color: var(--text-muted);
    border-top: 1px solid var(--border);
    background: var(--bg-secondary)
}

.skip-link {
    position: absolute;
    left: -9999px;
    top: auto;
    width: 1px;
    height: 1px;
    overflow: hidden
}

.skip-link:focus {
    left: 1rem;
    top: 1rem;
    width: auto;
    height: auto;
    background: var(--accent);
    color: #fff;
    padding: .75rem 1.5rem;
    border-radius: .5rem;
    z-index: 10000
}

.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
}

a:focus-visible,
button:focus-visible,
select:focus-visible,
.card:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
    border-radius: .25rem
}

.card:focus-visible {
    outline-offset: 4px;
    border-radius: 1.5rem
}

/* Terminal */
.main-container {
    display: flex;
    flex-direction: column;
    gap: 2rem
}

.terminal-container {
    width: 100%;
    margin: 0 auto
}

.terminal {
    background: rgba(0, 0, 0, .85);
    border-radius: 12px;
    border: 1px solid rgba(99, 102, 241, .3);
    box-shadow: 0 0 40px rgba(99, 102, 241, .15), 0 8px 32px rgba(0, 0, 0, .3);
    backdrop-filter: blur(10px);
    overflow: hidden;
    height: 500px;
    display: flex;
    flex-direction: column;
    transition: var(--transition);
    position: relative
}

.terminal.minimized {
    height: 40px
}

.terminal.maximized {
    height: 90vh
}

.terminal-header {
    background: rgba(0, 0, 0, .9);
    padding: .75rem 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid rgba(99, 102, 241, .2)
}

.terminal-controls {
    display: flex;
    gap: .5rem
}

.terminal-control {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    cursor: pointer;
    transition: all .2s ease
}

.terminal-control.close {
    background: #ff5f56
}

.terminal-control.maximize {
    background: #27c93f
}

.terminal-control:hover {
    transform: scale(1.1)
}

.terminal-title {
    color: rgba(255, 255, 255, .8);
    font-size: .875rem;
    font-weight: 600
}

.terminal-body {
    flex: 1;
    padding: 1rem;
    overflow-y: auto;
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', monospace;
    font-size: .875rem;
    line-height: 1.5
}

.terminal-output {
    color: rgba(255, 255, 255, .9);
    margin-bottom: .5rem;
    white-space: pre-wrap;
    word-break: break-word
}

.terminal-prompt {
    color: #818cf8;
    font-weight: 600
}

.terminal-command {
    color: rgba(255, 255, 255, .9)
}

.terminal-input-line {
    display: flex;
    align-items: center;
    gap: .5rem
}

.terminal-cursor {
    display: inline-block;
    width: 8px;
    height: 16px;
    background: #818cf8;
    animation: blink 1s infinite;
    vertical-align: middle
}

@keyframes blink {

    0%,
    50% {
        opacity: 1
    }

    51%,
    100% {
        opacity: 0
    }
}

.terminal-input {
    background: transparent;
    border: none;
    color: rgba(255, 255, 255, .9);
    font-family: inherit;
    font-size: inherit;
    outline: none;
    flex: 1
}

.copy-icon {
    opacity: 0;
    transition: opacity .2s ease;
    cursor: pointer;
    color: #818cf8;
    margin-left: .5rem;
    font-size: .75rem
}

.terminal-output:hover .copy-icon,
.terminal-output:focus-within .copy-icon {
    opacity: 1
}

.command-help {
    color: #818cf8
}

.command-error {
    color: #f87171
}

.command-success {
    color: #4ade80
}

.matrix-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 2;
    opacity: 0;
    transition: opacity .5s ease
}

.matrix-canvas.active {
    opacity: .9
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px)
}

.modal-content {
    background-color: var(--bg-primary);
    margin: 5% auto;
    padding: 0;
    border-radius: 1.5rem;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
    width: 90%;
    max-width: 800px;
    max-height: 80vh;
    display: flex;
    flex-direction: column;
    animation: modalFadeIn 0.3s ease-out
}

@keyframes modalFadeIn {
    from {
        opacity: 0;
        transform: translateY(-30px) scale(0.9)
    }

    to {
        opacity: 1;
        transform: translateY(0) scale(1)
    }
}

.modal-header {
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center
}

.modal-header h3 {
    margin: 0;
    color: var(--text-primary);
    font-size: 1.5rem
}

.modal-close {
    color: var(--text-muted);
    font-size: 2rem;
    font-weight: bold;
    cursor: pointer;
    line-height: 1;
    padding: 0;
    background: none;
    border: none;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: var(--transition-fast)
}

.modal-close:hover,
.modal-close:focus {
    color: var(--text-primary);
    background-color: var(--accent-light);
    transform: rotate(90deg)
}

.modal-body {
    padding: 2rem;
    overflow-y: auto;
    flex: 1;
    color: var(--text-primary);
    line-height: 1.6
}

.modal-body.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 200px
}

.modal-body.error {
    color: #f87171;
    text-align: center
}

.modal-body .readme-content {
    max-width: 100%
}

.modal-body .readme-content h1,
.modal-body .readme-content h2,
.modal-body .readme-content h3 {
    color: var(--text-primary);
    margin-top: 1.5em;
    margin-bottom: 0.5em
}

.modal-body .readme-content p {
    margin-bottom: 1em
}

.modal-body .readme-content code {
    background-color: var(--bg-tertiary);
    padding: 0.2em 0.4em;
    border-radius: 0.25rem;
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', monospace;
    font-size: 0.875em
}

.modal-body .readme-content pre {
    background-color: var(--bg-tertiary);
    padding: 1rem;
    border-radius: 0.5rem;
    overflow-x: auto;
    margin: 1em 0
}

.modal-body .readme-content pre code {
    background: none;
    padding: 0
}

.modal-footer {
    padding: 1.5rem 2rem;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: flex-end
}

/* Reduced motion & Responsive */
@media(prefers-reduced-motion:reduce) {

    .hero::before,
    .btn,
    .nav-btn,
    .col,
    .card,
    .chip,
    .sort,
    .theme-toggle,
    .terminal-control,
    .terminal-cursor,
    .modal-content {
        animation: none !important;
        transition: none !important
    }

    .btn:hover,
    .nav-btn:hover,
    .col:hover,
    .card:hover,
    .chip:hover,
    .sort:hover,
    .theme-toggle:hover,
    .terminal-control:hover,
    .modal-close:hover {
        transform: none !important
    }
}

@media(max-width:768px) {
    .hero h2 {
        font-size: 2.5rem
    }

    .grid {
        grid-template-columns: 1fr
    }

    .controls {
        flex-direction: column;
        align-items: stretch
    }

    section {
        padding: 2rem 0
    }

    .github-stats {
        flex-direction: column;
        gap: 1rem
    }

    .github-stats img {
        width: 100%;
        height: auto
    }

    .terminal {
        height: 400px
    }

    .nav {
        flex-direction: column;
        gap: 1rem;
        padding: 1rem 0
    }

    .social-buttons {
        margin: 0;
        justify-content: center
    }

    .nav-links {
        flex-direction: column;
        width: 100%
    }

    .modal-content {
        width: 95%;
        margin: 10% auto;
        max-height: 85vh
    }

    .modal-header,
    .modal-footer {
        padding: 1rem 1.5rem
    }

    .modal-body {
        padding: 1.5rem
    }
}

@media(max-width:480px) {
    .terminal {
        height: 350px;
        font-size: .75rem
    }

    .terminal-input {
        font-size: .75rem
    }

    .nav-btn {
        padding: .375rem .75rem;
        font-size: .7rem
    }
}