:root {
    --bg-black: #000000;
    --card-bg: #0d0d0d;
    --yellow-accent: #ffe600;
    --yellow-glow: rgba(255, 230, 0, 0.25);
    --text-main: #ffffff;
    --text-muted: #a0a0a0;
    --border-yellow: rgba(255 , 230, 0, 0.4);
    --border-dim: rgba(255, 255, 255, 0,1);
}

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

body {
    background-color: var(--bg-black);
    color: var(--text-main);
    font-family: 'Segoe UI', system-ui, sans-serif;
    min-height: 100vw;
    overflow-x: hidden;
    line-height: 1.6;
}

/* Header and Navigation*/
header{
    width: 100%;
    padding: 1.5rem 3rem;
    background: rgba(0, 0, 0, 0.9);
    border-bottom: 1px solid var(--border-yellow);
    display: flex;
    justify-content: space-between;
    align-items: center; 
}

header h1 {
    font-size: 1.5rem;
    color: var(--yellow-accent);
    text-transform: uppercase;
    letter-spacing: 2px;
}

main{
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 3rem 2rem;
}

.about-section {
    text-align: center;
    max-width: 900px;
    margin: 0 auto 4rem auto;
}

.about-section h2 {
    font-size: 2.5rem;
    color: var(--text-main);
    margin-bottom: 1rem;
}

.about-section p {
    font-size: 1.2rem;
    color: var(--text-muted)
}

.section-title {
    text-align: center;
    font-size: 2rem;
    color: var(--yellow-accent);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 2.5rem;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    width: 100%;
    margin-bottom: 5rem;
}

.project-card {
    background: var(--card-bg);
    border: 2px solid var(--border-yellow);
    border-radius: 12px;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: all 0.3 cubic-bezier(0.25, 0.8, 0.25, 1);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.8), inset 0 0 10px rgba(255, 230, 0, 0.03);
}

project-card:hover {
  transform: translateY(-6px);
  border-color: var(--yellow-accent);
  box-shadow: 0 10px 25px var(--yellow-glow), 0 0 15px var(--yellow-accent);
}

.project-card h3 {
  font-size: 1.4rem;
  color: var(--yellow-accent);
  margin-bottom: 0.8rem;
}

.project-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
}

/* Cyber Yellow Buttons */
.btn-source {
  display: inline-block;
  background: var(--yellow-accent);
  color: #000;
  font-weight: 700;
  text-decoration: none;
  padding: 0.7rem 1.4rem;
  border-radius: 6px;
  text-transform: uppercase;
  font-size: 0.85rem;
  text-align: center;
  transition: all 0.2s ease;
  width: fit-content;
}

.btn-source:hover {
  background: #ffffff;
  box-shadow: 0 0 12px #ffffff;
}

/* Tech Stack Pills */
.skills-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  margin-top: 1.5rem;
}

.skill-pill {
  background: #121212;
  border: 1px solid var(--border-yellow);
  color: var(--yellow-accent);
  padding: 0.5rem 1.2rem;
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 600;
}