:root {
  --bg-dark: #0f0f11;
  --bg-surface: #18181b;
  --border: #27272a;
  --accent: #f5b800;
  --text-main: #f4f4f5;
  --text-muted: #a1a1aa;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-dark);
  color: var(--text-main);
  font-family: 'Space Grotesk', sans-serif;
  line-height: 1.6;
}

/* Scrollbar Dinamis */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: var(--bg-dark);
}

::-webkit-scrollbar-thumb {
  background: var(--accent);
  border-radius: 4px;
}

.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Navbar */
nav {
  position: sticky;
  top: 0;
  background: rgba(15, 15, 17, 0.95);
  border-bottom: 1px solid var(--border);
  z-index: 100;
  padding: 18px 0;
}

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

.logo {
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 1px;
  color: var(--accent);
  text-decoration: none;
}

.nav-links {
  display: flex;
  gap: 20px;
  list-style: none;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 600;
  transition: color 0.2s;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--accent);
}

/* Hero Section */
.hero {
  padding: 80px 0 60px;
}

.hero-badge {
  display: inline-block;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 12px;
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.hero h1 {
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 16px;
}

.hero p {
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 600px;
  margin-bottom: 30px;
}

.hero-btns {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.btn {
  padding: 10px 20px;
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 700;
  text-decoration: none;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.2s;
  border: 1px solid transparent;
  display: inline-block;
}

.btn-sm {
  font-size: 0.75rem;
  padding: 6px 12px;
}

.btn-primary {
  background: var(--accent);
  color: #000;
  border-color: var(--accent);
}

.btn-primary:hover {
  background: #e0a800;
}

.btn-secondary {
  background: var(--bg-surface);
  color: var(--text-main);
  border-color: var(--border);
}

.btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* Section Commons */
section {
  padding: 60px 0;
  border-top: 1px solid var(--border);
}

.section-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 30px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.section-title::before {
  content: '';
  display: inline-block;
  width: 8px;
  height: 16px;
  background: var(--accent);
}

/* Projects Grid */
.project-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  padding: 24px;
  transition: border-color 0.2s;
  margin-bottom: 24px;
}

.project-card:hover {
  border-color: var(--accent);
}

.project-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 12px;
  flex-wrap: wrap;
  gap: 10px;
}

.project-title {
  font-size: 1.2rem;
  font-weight: 700;
}

.project-desc {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 20px;
}

.tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.tag {
  background: var(--bg-dark);
  border: 1px solid var(--border);
  color: var(--text-main);
  font-size: 0.7rem;
  padding: 3px 8px;
  font-weight: 600;
}

.project-links {
  display: flex;
  gap: 12px;
}

/* Skills Grid */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 16px;
}

.skill-item {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  padding: 16px;
}

.skill-item h4 {
  font-size: 0.85rem;
  color: var(--accent);
  margin-bottom: 4px;
  text-transform: uppercase;
}

.skill-item p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* About & Contact */
.about-text {
  color: var(--text-muted);
  font-size: 0.95rem;
  max-width: 700px;
}

.contact-desc {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 20px;
}

/* Footer */
footer {
  padding: 40px 0;
  border-top: 1px solid var(--border);
  text-align: center;
  color: var(--text-muted);
  font-size: 0.8rem;
}

@media (max-width: 600px) {
  .hero h1 { font-size: 1.8rem; }
  .nav-links { display: none; }
}