:root {
  --bg: #020617;
  --card: #020617;
  --text: #e5e7eb;
  --muted: #94a3b8;
  --accent: #38bdf8;
  --border: #1e293b;
  --radius: 12px;
  --max-width: 1100px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Inter", sans-serif;
  background: linear-gradient(180deg, #020617, #020617);
  color: var(--text);
  line-height: 1.6;
}

a {
  text-decoration: none;
  color: inherit;
}

.container {
  max-width: var(--max-width);
  margin: auto;
  padding: 0 1.5rem;
}

section {
  padding: 5rem 0;
}

/* ===== HEADER ===== */
header {
  position: sticky;
  top: 0;
  background: rgba(2, 6, 23, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
  will-change: backdrop-filter;
}

.nav {
  height: 96px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-weight: 700;
}

.nav-links {
  display: flex;
  gap: 1.8rem;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--muted);
  position: relative;
}

.nav-links a::after {
  content: "";
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -6px;
  left: 0;
  background: var(--accent);
  transition: width 0.25s ease;
}

.nav-links a:hover::after {
  width: 100%;
}

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

.nav-cta .btn {
  padding: 0.55rem 1.3rem;
  font-size: 0.85rem;
}

/* ===== HERO ===== */
.hero {
  min-height: calc(100vh - 70px);
  display: flex;
  align-items: center;
}

.hero h1 {
  font-size: clamp(2.8rem, 5vw, 3.8rem);
  margin-bottom: 1rem;
}

.hero span {
  color: var(--accent);
}

.hero p {
  max-width: 720px;
  color: var(--muted);
  margin-bottom: 2rem;
}


.btn {
  background: var(--accent);
  color: #020617;
  padding: 0.75rem 1.6rem;
  border-radius: var(--radius);
  font-weight: 600;
  transition: 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--accent);
  color: var(--accent);
}

.btn-outline:hover {
  background: var(--accent);
  color: #020617;
}

.logo {
  display: flex;
  align-items: center;
}

.logo img {
  height: 100px;
  width: auto;
}


/* ===== SECTIONS ===== */
.section-title {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.section-subtitle {
  color: var(--muted);
  margin-bottom: 2.5rem;
}

.about-text {
  max-width: 800px;
  color: var(--muted);
}

/* ===== EXPERIENCE ===== */
.experience-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  margin-bottom: 2rem;
}

.experience-card span {
  color: var(--muted);
  font-size: 0.9rem;
}

.experience-card ul {
  margin-top: 1rem;
  padding-left: 1.2rem;
}

.experience-card li {
  color: var(--muted);
  margin-bottom: 0.5rem;
}

/* ===== SKILLS ===== */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}

.skill {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
}

/* ===== COMMUNITY ===== */
.highlight {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
}

/* ===== FOOTER ===== */
footer {
  padding: 2rem 0;
  border-top: 1px solid var(--border);
  text-align: center;
  color: var(--muted);
  font-size: 0.85rem;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .nav-cta {
    display: block;
  }
}

@media (max-width: 768px) {
  .logo img {
    height: 4.5rem;
  }
}