:root {
    --text: #fff;
    --muted: rgba(255,255,255,0.7);
    --accent: #ff4d4d;
    --accent-2: #3498db;
    --card-bg: rgba(0,0,0,0.4);
    --radius: 12px;
    --container: 1100px;
    --transition: 0.3s ease-in-out;
}

/* Global */
* { box-sizing: border-box; margin: 0; padding: 0; }
html, body {
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
    color: var(--text);
    min-height: 100%;
    line-height: 1.6;
    background: linear-gradient(-45deg, #ff4d4d, #3498db, #ff4d4d, #3498db);
    background-size: 400% 400%;
    animation: gradientBG 15s ease infinite;
}

/* Containers */
.container { max-width: var(--container); margin: 0 auto; padding: 0 2rem; }

/* Header */
.site-header {
    position: sticky;
    top: 0;
    z-index: 10;
    padding: 1rem 0;
    backdrop-filter: blur(16px);
    background: rgba(0,0,0,0.3);
}
.site-header .container { display: flex; justify-content: space-between; align-items: center; }
.logo { display: flex; align-items: center; gap: 0.5rem; font-weight: 700; font-size: 1.25rem; color: var(--text); text-decoration: none; }
.logo img { width: 50px; height: 50px; border-radius: 50%; object-fit: cover; }
.nav { display: flex; gap: 1.5rem; align-items: center; }
.nav a { text-decoration: none; color: var(--muted); transition: color var(--transition); }
.nav a:hover { color: var(--text); }

/* Hero */
.hero {
    min-height: 100vh;
    display: flex; justify-content: center; align-items: center;
    text-align: center; padding: 0 2rem;
}
.hero .hero-content { z-index: 1; }
.hero h1 { font-size: 3rem; margin-bottom: 1rem; }
.hero .lead { font-size: 1.25rem; margin-bottom: 2rem; color: var(--muted); }

/* Grid for cards */
.grid {
    display: flex;
    gap: 1rem; /* space between cards */
    justify-content: center; /* center the cards */
    align-items: stretch; /* make cards same height */
    justify-items: center;
}

/* Cards styling */
.card {
    background: #111; /* example background */
    padding: 1.5rem;
    border-radius: var(--radius);
    flex: 1;
    max-width: 400px; /* optional */
    display: flex;
    flex-direction: column;
    justify-content: center;
}

/* Chips spacing */
.card .chips {
    margin-bottom: 1rem;
}

/* CTA inside card */
.cta {
    margin-top: auto; /* push button to bottom of card */
    display: flex;
    justify-content: center; /* center button inside card */
}

/* Buttons styling */
.btn {
    padding: 0.8rem 1.5rem;
    border-radius: var(--radius);
    border: 2px solid rgba(255,255,255,0.6);
    background: rgba(0,0,0,0.3);
    color: #fff;
    text-decoration: none;
    font-size: 1rem;
    transition: all var(--transition);
    backdrop-filter: blur(8px);
}

.btn:hover {
    border-color: rgba(255,255,255,1);
    background: rgba(0,0,0,0.5);
    color: #fff;
}


/* Sections */
.section { padding: 6rem 2rem; }
.section h2 { font-size: 2rem; margin-bottom: 2rem; }

/* Projects / Cards */
.projects .grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 2rem; }
.card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: var(--radius);
    box-shadow: 0 6px 18px rgba(0,0,0,0.4);
    transition: transform var(--transition), box-shadow var(--transition);
    backdrop-filter: blur(8px);
}
.card:hover { transform: translateY(-5px); box-shadow: 0 10px 25px rgba(0,0,0,0.6); }
.card h3 { margin-bottom: 0.5rem; }
.card p { color: var(--muted); margin-bottom: 1rem; }

/* Chips / Tags */
.card .chips { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 1rem; }
.card .chip {
    padding: 0.35rem 0.7rem; border-radius: 999px;
    font-size: 0.85rem; font-weight: 500; color: #fff;
    background: var(--accent);
    transition: transform var(--transition);
}
.card .chip:hover { transform: scale(1.05); }
.card .chip.java { background: #f0932b; }
.card .chip.python { background: #fcd000; color:#000; }
.card .chip.html { background: #e34c26; }
.card .chip.css { background: #264de4; }
.card .chip.github { background: #333; }
.card .chip.priva { background: #031424; }
.card .chip.kotlin { background: #8c3ce7; }

.about {
    background: rgba(0, 0, 0, 0.25); /* semi-transparent black */
    padding: 2rem;
    border-radius: var(--radius);
    box-shadow: 0 6px 18px rgba(0,0,0,0.4);
    backdrop-filter: blur(10px); /* frosted effect */
    transition: transform var(--transition), box-shadow var(--transition);
    margin-bottom: 3rem;
}

.about p {
    color: var(--muted);
    font-size: 1.1rem;
    line-height: 1.8;
}

/* Footer */
.site-footer { border-top: 1px solid rgba(255,255,255,0.1); padding: 3rem 2rem; text-align: center; color: var(--muted); }

/* Animations */
.animate { opacity: 0; transform: translateY(20px); transition: opacity 0.6s ease-out, transform 0.6s ease-out; }
.animate.visible { opacity: 1; transform: translateY(0); }

/* Gradient Animation */
@keyframes gradientBG {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 { font-size: 2.5rem; }
    .hero .lead { font-size: 1.1rem; }
    .cta .btn { padding: 0.6rem 1.2rem; font-size: 0.95rem; }
    .nav { gap: 1rem; }
}
@media (max-width: 480px) {
    .hero h1 { font-size: 2rem; }
    .hero .lead { font-size: 1rem; }
    .site-header .container { flex-direction: column; align-items: flex-start; gap: 1rem; }
    .nav { flex-wrap: wrap; }
}


/* ============================= */
/* WORK EXPERIENCE TIMELINE      */
/* ============================= */

#workexp {
    position: relative;
}

.timeline {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
    padding: 2rem 0;
}

/* Center vertical line */
.timeline::after {
    content: "";
    position: absolute;
    width: 3px;
    background: rgba(255,255,255,0.25);
    top: 0;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
}

/* Timeline item container */
.timeline-container {
    position: relative;
    width: 50%;
    padding: 1rem 2.5rem;
}

/* Left side */
.timeline-container.left {
    left: 0;
    text-align: right;
}

/* Right side */
.timeline-container.right {
    left: 50%;
}

/* Marker (circle on center line) */
.timeline-marker {
    position: absolute;
    top: 30px;
    width: 18px;
    height: 18px;
    background: var(--accent);
    border-radius: 50%;
    border: 3px solid #fff;
    box-shadow: 0 0 0 4px rgba(255,255,255,0.15);
    z-index: 2;
    transition: transform 0.4s ease;
}

/* Marker positioning */
.timeline-container.left .timeline-marker {
    right: -9px;
}

.timeline-container.right .timeline-marker {
    left: -9px;
}

/* Hover animation on marker */
.timeline-container:hover .timeline-marker {
    transform: scale(1.2);
}

/* Timeline content card override */
.timeline-content {
    position: relative;
}

/* Directional arrow */
.timeline-container.left .timeline-content::before {
    content: "";
    position: absolute;
    top: 30px;
    right: -12px;
    border: 8px solid transparent;
    border-left-color: var(--card-bg);
}

.timeline-container.right .timeline-content::before {
    content: "";
    position: absolute;
    top: 30px;
    left: -12px;
    border: 8px solid transparent;
    border-right-color: var(--card-bg);
}

/* Slight horizontal entrance animation */
.timeline-container.left.animate {
    transform: translateX(-40px);
}

.timeline-container.right.animate {
    transform: translateX(40px);
}

.timeline-container.visible {
    transform: translateX(0);
}

/* ============================= */
/* RESPONSIVE                    */
/* ============================= */

@media (max-width: 768px) {

    .timeline::after {
        left: 20px;
        transform: none;
    }

    .timeline-container {
        width: 100%;
        padding-left: 60px;
        padding-right: 1rem;
        text-align: left !important;
    }

    .timeline-container.right {
        left: 0;
    }

    .timeline-marker {
        left: 11px !important;
        right: auto !important;
    }

    .timeline-content::before {
        left: -12px !important;
        right: auto !important;
        border-right-color: var(--card-bg) !important;
        border-left-color: transparent !important;
    }
}
.about p {
    margin-top: 1.8rem;
}