/* styles.css */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Space+Grotesk:wght@500;600;700&display=swap');

:root {
  --color-surface: #0b1326;
  --color-surface-dim: #0b1326;
  --color-surface-bright: #31394d;
  --color-surface-container-lowest: #060e20;
  --color-surface-container-low: #131b2e;
  --color-surface-container: #171f33;
  --color-surface-container-high: #222a3d;
  --color-surface-container-highest: #2d3449;
  --color-on-surface: #dae2fd;
  --color-on-surface-variant: #c1c6d7;
  --color-inverse-surface: #dae2fd;
  --color-inverse-on-surface: #283044;
  --color-outline: #8b90a0;
  --color-outline-variant: #414755;
  --color-surface-tint: #aec6ff;
  --color-primary: #aec6ff;
  --color-on-primary: #002e6a;
  --color-primary-container: #4d8eff;
  --color-on-primary-container: #00285d;
  --color-inverse-primary: #005ac3;
  --color-secondary: #ddb7ff;
  --color-on-secondary: #490080;
  --color-secondary-container: #6f00be;
  --color-on-secondary-container: #d6a9ff;
  --color-tertiary: #4edea3;
  --color-on-tertiary: #003824;
  --color-tertiary-container: #00a572;
  --color-on-tertiary-container: #00311f;
  --color-error: #ffb4ab;
  --color-on-error: #690005;
  --color-error-container: #93000a;
  --color-on-error-container: #ffdad6;
  --color-primary-fixed: #d8e2ff;
  --color-primary-fixed-dim: #aec6ff;
  --color-on-primary-fixed: #001a42;
  --color-on-primary-fixed-variant: #004395;
  --color-secondary-fixed: #f0dbff;
  --color-secondary-fixed-dim: #ddb7ff;
  --color-on-secondary-fixed: #2c0051;
  --color-on-secondary-fixed-variant: #6900b3;
  --color-tertiary-fixed: #6ffbbe;
  --color-tertiary-fixed-dim: #4edea3;
  --color-on-tertiary-fixed: #002113;
  --color-on-tertiary-fixed-variant: #005236;
  --color-background: #0b1326;
  --color-on-background: #dae2fd;
  --color-surface-variant: #2d3449;

  --rounded-sm: 0.125rem;
  --rounded-md: 0.25rem;
  --rounded-lg: 0.5rem;
  --rounded-xl: 0.75rem;
  --rounded-full: 9999px;

  --spacing-unit: 4px;
  --spacing-gutter: 24px;
  --spacing-margin: 32px;
  --spacing-container-max: 1280px;
  --spacing-stack-sm: 8px;
  --spacing-stack-md: 16px;
  --spacing-stack-lg: 32px;
  
  --font-headline: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-code: monospace;
}

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

body {
    background-color: var(--color-background);
    color: var(--color-on-surface);
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--color-background); }
::-webkit-scrollbar-thumb { background: var(--color-surface-container-highest); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--color-primary); }

/* Header */
header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 50;
    background: rgba(2, 6, 23, 0.6);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 0 20px rgba(30, 58, 138, 0.2);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 64px;
    padding: 0 24px;
    max-width: var(--spacing-container-max);
    margin: 0 auto;
    font-family: var(--font-headline);
}

.brand {
    font-size: 20px;
    font-weight: 700;
    color: #f8fafc;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: color 0.3s;
    letter-spacing: -0.05em;
}

.brand:hover {
    color: #60a5fa;
}

.brand .material-symbols-outlined {
    color: #3b82f6;
}

.nav-links {
    display: none;
    gap: 32px;
}

@media (min-width: 768px) {
    .nav-links {
        display: flex;
    }
}

.nav-links a {
    color: #94a3b8;
    font-weight: 600;
    transition: all 0.3s;
    padding-bottom: 4px;
}

.nav-links a:hover {
    color: #60a5fa;
}

.nav-links a.active {
    color: #60a5fa;
    border-bottom: 1px solid #3b82f6;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.resume-btn {
    display: none;
    padding: 8px 16px;
    font-size: 14px;
    font-weight: 600;
    border-radius: var(--rounded-md);
    background-color: #2563eb;
    color: #f8fafc;
    box-shadow: 0 0 15px rgba(59,130,246,0.3);
    transition: all 0.3s;
}

.resume-btn:hover {
    background-color: #3b82f6;
    box-shadow: 0 0 25px rgba(59,130,246,0.5);
}

@media (min-width: 768px) {
    .resume-btn {
        display: flex;
        align-items: center;
        justify-content: center;
    }
}

.menu-toggle {
    display: block;
    background: none;
    border: none;
    color: #94a3b8;
    cursor: pointer;
}

@media (min-width: 768px) {
    .menu-toggle {
        display: none;
    }
}

/* Main */
main {
    padding-top: 96px;
    padding-bottom: 128px;
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 0 24px;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    background: radial-gradient(circle at center, rgba(45,52,73,0.4), var(--color-background) 70%);
}

.hero-glow-primary {
    position: absolute;
    top: 25%;
    right: -80px;
    width: 384px;
    height: 384px;
    background-color: rgba(174, 198, 255, 0.05);
    border-radius: 50%;
    filter: blur(100px);
    z-index: 0;
}

.hero-glow-tertiary {
    position: absolute;
    bottom: 25%;
    left: -80px;
    width: 384px;
    height: 384px;
    background-color: rgba(78, 222, 163, 0.05);
    border-radius: 50%;
    filter: blur(100px);
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 10;
    max-width: var(--spacing-container-max);
    margin: 0 auto;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-stack-lg);
}

.system-status {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 4px 12px;
    border-radius: var(--rounded-full);
    border: 1px solid rgba(174, 198, 255, 0.3);
    background-color: rgba(174, 198, 255, 0.1);
    color: var(--color-primary);
    font-family: var(--font-body);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.1em;
    backdrop-filter: blur(12px);
    margin-bottom: 16px;
    box-shadow: 0 0 15px rgba(174, 198, 255, 0.1);
}

.system-status .material-symbols-outlined {
    font-size: 14px;
}

.hero-title {
    font-family: var(--font-headline);
    font-size: 48px;
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.02em;
    color: var(--color-on-surface);
    max-width: 896px;
    text-shadow: 0 0 30px rgba(255,255,255,0.1);
}

.text-gradient {
    background: linear-gradient(to right, var(--color-primary), var(--color-tertiary));
    -webkit-background-clip: text;
    color: transparent;
}

.hero-description {
    font-family: var(--font-body);
    font-size: 18px;
    color: var(--color-on-surface-variant);
    max-width: 672px;
}

.hero-actions {
    display: flex;
    gap: var(--spacing-stack-md);
    margin-top: 32px;
}

.btn-primary {
    padding: 12px 24px;
    border-radius: var(--rounded-lg);
    background-color: var(--color-primary);
    color: var(--color-on-primary);
    font-family: var(--font-headline);
    font-size: 16px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s;
    box-shadow: 0 0 20px rgba(174, 198, 255, 0.2);
}

.btn-primary:hover {
    background-color: var(--color-primary-fixed);
}

.btn-secondary {
    padding: 12px 24px;
    border-radius: var(--rounded-lg);
    border: 1px solid rgba(139, 144, 160, 0.3);
    background-color: rgba(11, 19, 38, 0.5);
    backdrop-filter: blur(12px);
    color: var(--color-on-surface);
    font-family: var(--font-headline);
    font-size: 16px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s;
}

.btn-secondary:hover {
    border-color: rgba(174, 198, 255, 0.5);
    background-color: var(--color-surface-container);
}

/* Sections General */
.section {
    max-width: var(--spacing-container-max);
    margin: 0 auto;
    padding: var(--spacing-margin) 24px;
    position: relative;
    z-index: 10;
}

.section-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 48px;
    border-bottom: 1px solid rgba(139, 144, 160, 0.15);
    padding-bottom: 16px;
}

.section-title {
    font-family: var(--font-headline);
    font-size: 32px;
    font-weight: 600;
}

.icon-tertiary { color: var(--color-tertiary); font-size: 30px; }
.icon-primary { color: var(--color-primary); font-size: 30px; }

/* Bento Grid */
.bento-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-gutter);
}

@media (min-width: 768px) {
    .bento-grid {
        grid-template-columns: repeat(12, 1fr);
    }
}

.card {
    display: flex;
    flex-direction: column;
    background-color: rgba(23, 31, 51, 0.3);
    backdrop-filter: blur(24px);
    border: 1px solid rgba(139, 144, 160, 0.15);
    border-radius: var(--rounded-xl);
    overflow: hidden;
    transition: all 0.3s;
}

.card:hover {
    border-color: rgba(174, 198, 255, 0.5);
    box-shadow: 0 0 40px rgba(174, 198, 255, 0.1);
}

.card-image-container {
    position: relative;
    background-color: var(--color-surface-container-highest);
    overflow: hidden;
}

.card-image-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(23,31,51,0.9), transparent);
    z-index: 10;
}

.card-image {
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
}

.card-badges {
    position: absolute;
    top: 16px;
    right: 16px;
    z-index: 20;
    display: flex;
    gap: 8px;
}

.badge {
    padding: 4px 8px;
    border-radius: var(--rounded-md);
    font-family: var(--font-code);
    font-size: 12px;
    backdrop-filter: blur(12px);
}

.badge-secondary {
    background-color: rgba(111, 0, 190, 0.8);
    color: var(--color-on-secondary-container);
    border: 1px solid rgba(221, 183, 255, 0.2);
}

.badge-tertiary {
    background-color: rgba(0, 165, 114, 0.8);
    color: var(--color-on-tertiary-container);
    border: 1px solid rgba(78, 222, 163, 0.2);
}

.card-content {
    padding: 24px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    justify-content: space-between;
}

.card-title {
    font-family: var(--font-headline);
    font-size: 24px;
    font-weight: 500;
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: color 0.3s;
}

.card:hover .card-title { color: var(--color-primary-fixed); }

.card-icon {
    color: var(--color-outline);
    transition: color 0.3s;
}

.card:hover .card-icon { color: var(--color-primary); }

.card-desc {
    font-family: var(--font-body);
    font-size: 16px;
    color: var(--color-on-surface-variant);
    margin-top: 8px;
}

.project-large { grid-column: span 1; }
.project-small { grid-column: span 1; }

@media (min-width: 768px) {
    .project-large { grid-column: span 8; }
    .project-small { grid-column: span 4; }
}

.project-large .card-image-container { height: 256px; }
.project-small .card-image-container { height: 192px; }

.tech-tags {
    display: flex;
    gap: 8px;
    margin-top: 16px;
}

.tech-tag {
    padding: 4px 8px;
    border-radius: var(--rounded-md);
    background-color: var(--color-surface-bright);
    color: var(--color-on-surface);
    font-family: var(--font-code);
    font-size: 10px;
    border: 1px solid rgba(139, 144, 160, 0.2);
}

.icon-box {
    width: 48px;
    height: 48px;
    border-radius: var(--rounded-lg);
    background-color: rgba(111, 0, 190, 0.2);
    border: 1px solid rgba(221, 183, 255, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}

.icon-box .material-symbols-outlined {
    color: var(--color-secondary);
    font-size: 24px;
}

/* Open Source Grid */
.repo-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}

@media (min-width: 768px) {
    .repo-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
    .repo-grid { grid-template-columns: repeat(4, 1fr); }
}

.repo-card {
    background-color: var(--color-surface-container-low);
    border: 1px solid rgba(139, 144, 160, 0.2);
    border-radius: var(--rounded-lg);
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    transition: all 0.3s;
}

.repo-card:hover {
    border-color: var(--color-outline);
    background-color: var(--color-surface-container);
}

.repo-header {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--color-on-surface);
}

.repo-header .material-symbols-outlined {
    font-size: 18px;
    color: var(--color-outline);
}

.repo-title {
    font-family: var(--font-code);
    font-size: 14px;
    font-weight: 600;
    color: var(--color-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.repo-desc {
    font-size: 13px;
    color: var(--color-on-surface-variant);
    flex-grow: 1;
}

.repo-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-top: 8px;
    padding-top: 12px;
    border-top: 1px solid rgba(139, 144, 160, 0.1);
    font-size: 12px;
    color: var(--color-outline);
}

.repo-meta-item {
    display: flex;
    align-items: center;
    gap: 4px;
}

.lang-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.lang-python { background-color: #3572A5; }
.lang-js { background-color: #f1e05a; }

/* Footer */
footer {
    width: 100%;
    border-top: 1px solid #0f172a;
    padding: 48px 0;
    background-color: #020617;
}

.footer-content {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    padding: 0 32px;
    max-width: var(--spacing-container-max);
    margin: 0 auto;
    gap: 16px;
    font-family: var(--font-headline);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: #64748b;
}

@media (min-width: 768px) {
    .footer-content {
        flex-direction: row;
    }
}

.footer-brand {
    font-weight: 700;
    color: #f1f5f9;
    opacity: 0.8;
    transition: opacity 0.3s;
}

.footer-brand:hover {
    opacity: 1;
}

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    color: #64748b;
    opacity: 0.8;
    transition: all 0.3s;
}

.footer-links a:hover {
    color: #60a5fa;
    opacity: 1;
}