:root {
    --bg: #0f172a;
    --text: #f1f5f9;
    --accent: #38bdf8;
    --card-bg: #1e293b;
    --linkedin: #0077b5;
}

body {
    background-color: var(--bg);
    color: var(--text);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    margin: 0;
    overflow-x: hidden; /* Prevents horizontal scroll during physics chaos */
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
    width: 90%; /* Responsive width for mobile */
}

/* NAVIGATION */
nav {
    background: rgba(30, 41, 59, 0.96);
    backdrop-filter: blur(8px);
    padding: 0.85rem 0;
    position: sticky; /* Keeps it at the top while scrolling */
    top: 0;
    z-index: 1000;    /* High value to stay on top of everything */
    transition: transform 0.3s ease, padding 0.25s ease, box-shadow 0.25s ease;
    border-bottom: 1px solid #334155;
}

nav.nav-hidden {
    transform: translateY(-100%);
}

nav.nav-scrolled {
    padding: 0.45rem 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.45);
}

nav .container {
    max-width: 1150px;
    width: 95%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 1rem;
    flex-wrap: nowrap; /* Keep logo and buttons on a single line */
    gap: 1rem;
}

nav ul {
    list-style: none;
    display: flex;
    flex-wrap: nowrap; /* Force all buttons onto one single line */
    gap: 0.55rem;
    align-items: center;
    justify-content: flex-end;
    margin: 0;
    padding: 0;
    overflow-x: auto;
    scrollbar-width: none; /* Hide scrollbar on Firefox */
}

nav ul::-webkit-scrollbar {
    display: none; /* Hide scrollbar on Chrome/Safari/Edge */
}

nav ul li {
    flex-shrink: 0;
}

nav .btn {
    padding: 0.45rem 0.85rem;
    font-size: 0.85rem;
}

nav.nav-scrolled .btn {
    padding: 0.35rem 0.75rem;
    font-size: 0.8rem;
}

nav a {
    color: var(--text);
    text-decoration: none;
    font-weight: 600;
}

.logo {
    font-size: 1.5rem;
    color: var(--accent) !important;
    flex-shrink: 0;
    transition: font-size 0.25s ease;
}

nav.nav-scrolled .logo {
    font-size: 1.25rem;
}

/* HEADER & PROFILE */
header {
    text-align: center;
    padding: 4rem 0;
}

.profile-img {
    width: 250px;
    height: 250px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--accent);
    margin-bottom: 1.5rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.subtitle {
    color: var(--accent);
    font-size: 1.2rem;
    font-weight: bold;
}

/* CARDS & GRID LAYOUT */
/* This section ensures cards remain rectangles and stack vertically like your image */
.grid {
    display: flex;
    flex-direction: column; 
    gap: 1.5rem;
    width: 100%;
}

.card {
    background: var(--card-bg);
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid #334155;
    width: 100%;
    box-sizing: border-box; /* Keeps card width consistent with headers */
}

/* BUTTONS */
.btn {
    background: var(--accent);
    color: var(--bg);
    padding: 0.5rem 1rem;
    border-radius: 5px;
    font-weight: bold;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: none;
    cursor: pointer;
    font-family: inherit;
    transition: all 0.2s ease;
    white-space: nowrap; /* Prevents text inside buttons from breaking */
    font-size: 0.9rem;
}

.secondary {
    background: transparent;
    border: 2px solid var(--accent);
    color: var(--accent);
}

.linkedin-btn {
    background-color: var(--linkedin) !important;
    color: white !important;
}

.btn:hover {
    opacity: 0.8;
    transform: translateY(-1px);
}

/* MOBILE SPECIFIC TWEAKS */
@media (max-width: 600px) {
    .container {
        padding: 1rem;
    }

    nav .container {
        padding: 0 0.75rem;
        gap: 0.6rem;
    }

    nav ul {
        justify-content: flex-start;
    }

    .profile-img {
        width: 180px;
        height: 180px;
    }

    header {
        padding: 2rem 0;
    }
}

html {
    scroll-behavior: smooth; /* Makes the snap look like a nice slide */
    scroll-padding-top: 40px; /* Adjust this number to match your banner height */
}

/* SKIPPY SHOWCASE & ENHANCED PROJECT STYLES */
.github-btn {
    background-color: #24292e !important;
    color: #ffffff !important;
    border: 1px solid #475569;
}

.github-btn:hover {
    background-color: #333b42 !important;
}

.featured-card {
    border: 1.5px solid var(--accent);
    box-shadow: 0 4px 20px rgba(56, 189, 248, 0.12);
    position: relative;
}

.badge-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 0.75rem 0 1rem 0;
}

.tech-badge {
    background: rgba(56, 189, 248, 0.12);
    color: var(--accent);
    border: 1px solid rgba(56, 189, 248, 0.35);
    padding: 0.25rem 0.65rem;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 600;
}

.status-badge {
    background: rgba(16, 185, 129, 0.15);
    color: #34d399;
    border: 1px solid rgba(16, 185, 129, 0.4);
    padding: 0.25rem 0.75rem;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.grid-2col {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    width: 100%;
}

.card h3 i {
    color: var(--accent);
    margin-right: 0.4rem;
}

.date {
    color: #94a3b8;
    font-size: 0.9rem;
    margin-top: -0.5rem;
    margin-bottom: 0.75rem;
}

.card-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    margin-top: 1.25rem;
}

.arch-step {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    background: rgba(15, 23, 42, 0.5);
    padding: 1rem 1.25rem;
    border-radius: 6px;
    border-left: 3px solid var(--accent);
    margin-bottom: 0.85rem;
}

.arch-step:last-child {
    margin-bottom: 0;
}

.arch-num {
    background: var(--accent);
    color: var(--bg);
    font-weight: 800;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 0.85rem;
    margin-top: 2px;
}

.code-inline {
    background: #0f172a;
    color: #38bdf8;
    padding: 0.15rem 0.4rem;
    border-radius: 4px;
    font-family: 'Consolas', 'Courier New', monospace;
    font-size: 0.88em;
    border: 1px solid #334155;
}

footer {
    text-align: center;
    padding: 2.5rem 0;
    color: #94a3b8;
    border-top: 1px solid #1e293b;
    margin-top: 2rem;
}