@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&display=swap');

:root {
    --bg-primary: #f8fafc;
    --bg-secondary: #f1f5f9;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-tertiary: #64748b;
    --border-color: rgba(15, 23, 42, 0.08);

    --card-bg: rgba(255, 255, 255, 0.65);
    --card-border: rgba(255, 255, 255, 0.8);
    --nav-bg: rgba(255, 255, 255, 0.7);

    --shadow-sm: 0 4px 20px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 20px 40px -4px rgba(0, 0, 0, 0.1);

    --accent-app: #3b82f6;
    --accent-xz: #f59e0b;
    --accent-pg: #8b5cf6;
    --accent-xj: #10b981;
    --accent-tk: #ef4444;

    --blob-1: #93c5fd;
    --blob-2: #c4b5fd;
    --blob-3: #fca5a5;

    --border-radius: 24px;
    --transition: 0.4s cubic-bezier(0.25, 1, 0.5, 1);
}

[data-theme="dark"] {
    --bg-primary: #0b0f19;
    --bg-secondary: #121827;
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-tertiary: #94a3b8;
    --border-color: rgba(255, 255, 255, 0.1);

    --card-bg: rgba(30, 41, 59, 0.5);
    --card-border: rgba(255, 255, 255, 0.08);
    --nav-bg: rgba(11, 15, 25, 0.7);

    --shadow-sm: 0 4px 20px -2px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 20px 40px -4px rgba(0, 0, 0, 0.7);

    --blob-1: #1e3a8a;
    --blob-2: #4c1d95;
    --blob-3: #7f1d1d;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    overflow-x: hidden;
    line-height: 1.6;
    transition: background-color var(--transition), color var(--transition);
    -webkit-font-smoothing: antialiased;
}

/* Background Blobs */
.bg-blobs {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: -1;
    overflow: hidden;
    filter: blur(120px) saturate(150%);
    opacity: 0.7;
}

.blob {
    position: absolute;
    border-radius: 50%;
    animation: float 20s infinite alternate cubic-bezier(0.45, 0.05, 0.55, 0.95);
    will-change: transform;
}

.blob-1 {
    width: 500px;
    height: 500px;
    background: var(--blob-1);
    top: -10%;
    left: -10%;
}

.blob-2 {
    width: 600px;
    height: 600px;
    background: var(--blob-2);
    bottom: -10%;
    right: -10%;
    animation-delay: -5s;
}

.blob-3 {
    width: 400px;
    height: 400px;
    background: var(--blob-3);
    top: 40%;
    left: 40%;
    animation-duration: 25s;
}

@keyframes float {
    0% {
        transform: translate(0, 0) scale(1);
    }

    50% {
        transform: translate(10vw, 5vh) scale(1.1);
    }

    100% {
        transform: translate(-5vw, 10vh) scale(0.9);
    }
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 80px;
    background: var(--nav-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    z-index: 100;
    transition: all var(--transition);
    display: flex;
    align-items: center;
}

.navbar.scrolled {
    height: 70px;
    box-shadow: var(--shadow-sm);
    background: rgba(var(--nav-bg), 0.85);
}

.nav-container {
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    text-decoration: none;
    background: linear-gradient(90deg, var(--text-primary), var(--text-tertiary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

.theme-toggle {
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 1.25rem;
    cursor: pointer;
    padding: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: transform var(--transition), color var(--transition);
}

.theme-toggle:hover {
    transform: scale(1.1) rotate(15deg);
    color: var(--accent-app);
}

.btn-primary {
    background: var(--text-primary);
    color: var(--bg-primary);
    padding: 10px 24px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition);
    border: 1px solid transparent;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
    opacity: 0.9;
}

/* Base Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 140px 24px 60px;
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 80px 0 100px;
    max-width: 900px;
    margin: 0 auto;
}

.hero h1 {
    font-size: clamp(3rem, 7vw, 5.5rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.04em;
    margin-bottom: 24px;
    background: linear-gradient(135deg, var(--text-primary) 30%, var(--text-tertiary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: clamp(1.1rem, 2vw, 1.4rem);
    color: var(--text-secondary);
    font-weight: 400;
    max-width: 680px;
    margin: 0 auto;
    line-height: 1.6;
}

.reveal {
    opacity: 0;
    transform: translateY(30px);
    animation: revealUp 1s forwards cubic-bezier(0.25, 1, 0.5, 1);
}

.delay-1 {
    animation-delay: 0.1s;
}

.delay-2 {
    animation-delay: 0.2s;
}

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

/* Projects Title */
.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 40px;
    letter-spacing: -0.03em;
}

/* Bento Grid */
.bento-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 24px;
}

.bento-item {
    position: relative;
    background: var(--card-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--card-border);
    border-radius: var(--border-radius);
    padding: 40px;
    display: flex;
    flex-direction: column;
    transition: all var(--transition);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    z-index: 1;
}

.bento-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: var(--border-radius);
    padding: 1px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.4), rgba(255, 255, 255, 0));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    z-index: -1;
}

.bento-item:hover {
    transform: translateY(-8px) scale(1.01);
    box-shadow: var(--shadow-lg);
    border-color: rgba(255, 255, 255, 0.2);
}

.span-4 {
    grid-column: span 12;
}

.span-6 {
    grid-column: span 12;
}

.span-8 {
    grid-column: span 12;
}

.span-12 {
    grid-column: span 12;
}

@media (min-width: 768px) {
    .span-4 {
        grid-column: span 6;
    }

    .span-6 {
        grid-column: span 6;
    }

    .span-8 {
        grid-column: span 12;
    }
}

@media (min-width: 1024px) {
    .span-4 {
        grid-column: span 4;
    }

    .span-6 {
        grid-column: span 6;
    }

    .span-8 {
        grid-column: span 8;
    }
}

/* Item Specific Glares */
.bento-item .glow {
    position: absolute;
    width: 200px;
    height: 200px;
    top: -100px;
    right: -100px;
    filter: blur(80px);
    opacity: 0;
    transition: opacity var(--transition);
    z-index: -2;
    border-radius: 50%;
}

.bento-item:hover .glow {
    opacity: 0.15;
}

.item-app .glow {
    background: var(--accent-app);
}

.item-xz .glow {
    background: var(--accent-xz);
}

.item-pg .glow {
    background: var(--accent-pg);
}

.item-xj .glow {
    background: var(--accent-xj);
}

.item-tk .glow {
    background: var(--accent-tk);
}

.card-label {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 12px;
}

.item-app .card-label {
    color: var(--accent-app);
}

.item-xz .card-label {
    color: var(--accent-xz);
}

.item-pg .card-label {
    color: var(--accent-pg);
}

.item-xj .card-label {
    color: var(--accent-xj);
}

.item-tk .card-label {
    color: var(--accent-tk);
}

.card-title {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.card-desc {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 12px;
}

.card-avail {
    font-size: 0.9rem;
    color: var(--text-tertiary);
    margin-bottom: 32px;
}

.card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 40px;
    margin-top: auto;
}

.tag {
    background: rgba(15, 23, 42, 0.05);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    transition: all 0.3s;
}

[data-theme="dark"] .tag {
    background: rgba(255, 255, 255, 0.05);
}

.tag:hover {
    background: var(--text-primary);
    color: var(--bg-primary);
}

.card-actions {
    display: flex;
    margin-top: auto;
}

.btn-card {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-primary);
    color: var(--text-primary);
    padding: 12px 28px;
    border-radius: 30px;
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.btn-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px -5px rgba(0, 0, 0, 0.1);
    background: var(--text-primary);
    color: var(--bg-primary);
}

/* Footer */
.footer {
    margin-top: 60px;
    padding: 60px 24px;
    border-top: 1px solid var(--border-color);
    background: rgba(15, 23, 42, 0.02);
}

[data-theme="dark"] .footer {
    background: rgba(255, 255, 255, 0.02);
}

.footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.footer-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-brand h2 {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 8px;
}

.footer-brand p {
    color: var(--text-tertiary);
    font-size: 0.95rem;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
    color: var(--text-tertiary);
    font-size: 0.85rem;
}

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

.footer-links a {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--text-tertiary);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: var(--text-primary);
}

.footer-links img {
    opacity: 0.5;
    transition: opacity 0.3s;
}

.footer-links a:hover img {
    opacity: 1;
}

@media (max-width: 768px) {
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
    }
}

/* Scroll Reveal Classes */
.scroll-reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.25, 1, 0.5, 1), transform 0.8s cubic-bezier(0.25, 1, 0.5, 1);
}

.scroll-reveal.visible {
    opacity: 1;
    transform: translateY(0);
}