@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');
@import url('https://unpkg.com/boxicons@2.1.4/css/boxicons.min.css');

:root {
    --bg-deep: #05060a;
    --bg-surface: #0a0b14;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --accent-primary: #7c3aed;
    --accent-secondary: #06b6d4;
    --card-bg: rgba(255, 255, 255, 0.03);
    --card-hover: rgba(255, 255, 255, 0.06);
    --border-light: rgba(255, 255, 255, 0.08);
    --glass-blur: blur(20px);
    --radius-xl: 28px;
    --radius-lg: 18px;
    --shadow-premium: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    --transition-smooth: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --text-gradient: linear-gradient(135deg, #f8fafc 0%, #94a3b8 100%);
}

body.light {
    --bg-deep: #f0f4f8;
    --bg-surface: #ffffff;
    --text-main: #0f172a;
    --text-muted: #64748b;
    --card-bg: rgba(15, 23, 42, 0.04);
    --card-hover: rgba(15, 23, 42, 0.06);
    --border-light: rgba(15, 23, 42, 0.1);
    --text-gradient: linear-gradient(135deg, #0f172a 0%, #475569 100%);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Plus Jakarta Sans', sans-serif;
    background-color: var(--bg-deep);
    color: var(--text-main);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
    transition: background-color 0s;
}

body * {
    transition: color 0s, background-color 0s, border-color 0s;
}

body.ready * {
    transition: color 0.15s ease, background-color 0.15s ease, border-color 0.15s ease;
}

.bg-layer {
    position: fixed;
    inset: 0;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
    background: radial-gradient(circle at 10% 10%, rgba(124, 58, 237, 0.12), transparent 40%),
        radial-gradient(circle at 90% 90%, rgba(6, 182, 212, 0.12), transparent 40%);
}

.orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.2;
    animation: float 25s infinite alternate;
}

.orb-1 {
    width: 700px;
    height: 700px;
    top: -300px;
    left: -150px;
    background: var(--accent-primary);
}

.orb-2 {
    width: 600px;
    height: 600px;
    bottom: -200px;
    right: -100px;
    background: var(--accent-secondary);
}

.orb-3 {
    width: 400px;
    height: 400px;
    top: 40%;
    left: 70%;
    background: #22c55e;
    opacity: 0.1;
}

@keyframes float {
    from {
        transform: translate(0, 0) scale(1) rotate(0deg);
    }

    to {
        transform: translate(80px, 120px) scale(1.1) rotate(10deg);
    }
}

header {
    max-width: 1100px;
    margin: 0 auto;
    padding: 40px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
    transition: var(--transition-smooth);
}

header.scrolled {
    padding: 20px 24px;
    backdrop-filter: var(--glass-blur);
    border-bottom: 1px solid var(--border-light);
    background: rgba(var(--bg-deep), 0.7);
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 16px;
    cursor: pointer;
    text-decoration: none;
    color: inherit;
}

.logo-container {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-light);
    background: var(--card-bg);
    flex-shrink: 0;
}

.logo-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.logo-text h1 {
    font-size: 22px;
    font-weight: 800;
    letter-spacing: -0.03em;
    background: var(--text-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.logo-text p {
    font-size: 13px;
    color: var(--text-muted);
    font-weight: 500;
}

.nav-actions {
    display: flex;
    gap: 12px;
}

.pill-btn {
    padding: 12px 24px;
    border-radius: 99px;
    font-size: 14px;
    font-weight: 700;
    border: 1px solid var(--border-light);
    background: var(--card-bg);
    color: var(--text-main);
    text-decoration: none;
    transition: var(--transition-smooth);
    backdrop-filter: var(--glass-blur);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

.pill-btn:hover {
    background: var(--card-hover);
    transform: translateY(-2px);
}

.pill-btn.primary {
    background: var(--text-main);
    color: var(--bg-deep);
    border: none;
}

main {
    max-width: 850px;
    margin: 0 auto;
    padding: 0 24px 100px;
}

.hero-box {
    margin: 80px 0 60px;
    text-align: center;
}

.hero-box h2 {
    font-size: 56px;
    font-weight: 800;
    letter-spacing: -0.05em;
    margin-bottom: 20px;
    line-height: 1.1;
    background: var(--text-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-box p {
    font-size: 19px;
    color: var(--text-muted);
    max-width: 650px;
    margin: 0 auto;
    font-weight: 500;
}

.glass-card {
    background: var(--card-bg);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    padding: 40px;
    backdrop-filter: var(--glass-blur);
    box-shadow: var(--shadow-premium);
    margin-bottom: 28px;
}

.grid-nav {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.nav-card {
    display: flex;
    flex-direction: column;
    padding: 28px;
    background: var(--card-bg);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    text-decoration: none;
    color: inherit;
    transition: var(--transition-smooth);
}

.nav-card:hover {
    transform: translateY(-6px);
    border-color: var(--accent-primary);
}

.card-icon {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    background: rgba(124, 58, 237, 0.1);
    display: grid;
    place-items: center;
    margin-bottom: 20px;
    color: var(--accent-primary);
    font-size: 24px;
}

.nav-card h3 {
    font-size: 20px;
    margin-bottom: 4px;
    font-weight: 700;
    background: var(--text-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-card p {
    font-size: 14px;
    color: var(--text-muted);
    font-weight: 500;
}

.project-item {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 20px;
    padding: 24px;
    background: var(--card-bg);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    text-decoration: none;
    color: inherit;
    transition: var(--transition-smooth);
}

.project-item:hover {
    transform: translateY(-4px);
    border-color: var(--accent-secondary);
}

.link-subtitle {
    display: block;
    font-size: 12px;
    color: var(--text-muted);
    font-weight: 500;
    margin-top: 4px;
    opacity: 0.8;
}

footer {
    text-align: center;
    padding: 50px 0;
    font-size: 13px;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
}

.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Accordion Styles */
.link-group {
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    background: var(--card-bg);
    overflow: hidden;
    transition: var(--transition-smooth);
    margin-bottom: 20px;
}

.link-group-header {
    padding: 20px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    user-select: none;
}

.link-group-header h4 {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 0;
    font-size: 16px;
}

.link-group-icon {
    transition: transform 0.3s ease;
    color: var(--text-muted);
}

.link-group.active .link-group-icon {
    transform: rotate(180deg);
}

.link-group-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    background: rgba(0, 0, 0, 0.1);
}

.link-group.active .link-group-content {
    max-height: 5000px;
}

.content-inner {
    padding: 24px;
}

/* Moving Gradient Border */
.btn-animated-border {
    position: relative;
    padding: 1px;
    border-radius: var(--radius-lg);
    background: transparent;
    overflow: hidden;
    display: flex;
}

.btn-animated-border::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 250%;
    height: 250%;
    background: conic-gradient(from 0deg,
            transparent 0%,
            var(--accent-primary) 25%,
            var(--accent-secondary) 50%,
            var(--accent-primary) 75%,
            transparent 100%);
    animation: rotate-border 4s linear infinite;
    transform: translate(-50%, -50%);
    z-index: 0;
}

.btn-animated-border .nav-card {
    position: relative;
    z-index: 1;
    margin: 0;
    width: 100%;
    border: none;
    background: var(--bg-surface);
}

@keyframes rotate-border {
    100% {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}

.copy-toast {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--accent-primary);
    color: white;
    padding: 12px 24px;
    border-radius: 99px;
    font-size: 14px;
    font-weight: 700;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    z-index: 1000;
}

.copy-toast.show {
    transform: translateX(-50%) translateY(0);
}

@media (max-width: 768px) {
    header {
        padding: 24px 16px;
    }

    .logo-text {
        display: none;
    }

    .project-item {
        flex-direction: column;
        text-align: center;
        gap: 16px;
    }

    .hero-box h2 {
        font-size: 38px;
    }

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