/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:        #0f0f0f;
  --bg-alt:    #161616;
  --surface:   #1e1e1e;
  --border:    #2a2a2a;
  --accent:    #6c63ff;
  --accent-2:  #a78bfa;
  --text:      #e2e2e2;
  --text-muted:#9a9a9a;
  --radius:    10px;
  --transition: 0.25s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ── Navbar ── */
.navbar {
  position: fixed; top: 0; width: 100%; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1rem 2.5rem;
  background: rgba(15,15,15,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-logo { font-weight: 700; font-size: 1.1rem; color: var(--accent-2); }

.nav-links { display: flex; gap: 2rem; }
.nav-links a {
  font-size: 0.9rem; color: var(--text-muted);
  transition: color var(--transition);
}
.nav-links a:hover { color: var(--text); }

.nav-toggle { display: none; background: none; border: none; color: var(--text); font-size: 1.4rem; cursor: pointer; }

/* ── Buttons ── */
.btn {
  display: inline-block;
  padding: 0.65rem 1.5rem;
  border-radius: var(--radius);
  font-size: 0.9rem; font-weight: 600;
  cursor: pointer; transition: all var(--transition);
  border: 2px solid transparent;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-2); }
.btn-outline { border-color: var(--accent); color: var(--accent); }
.btn-outline:hover { background: var(--accent); color: #fff; }
.btn-sm { padding: 0.4rem 1rem; font-size: 0.8rem; }

/* ── Hero ── */
.hero {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  text-align: center;
  background: radial-gradient(ellipse at 60% 40%, #1a1040 0%, var(--bg) 70%);
  padding: 2rem;
}

.hero-content { max-width: 650px; }
.hero-greeting { color: var(--accent-2); font-size: 1.1rem; letter-spacing: 0.05em; margin-bottom: 0.5rem; }
.hero-name { font-size: clamp(2.5rem, 6vw, 4.5rem); font-weight: 700; line-height: 1.1; margin-bottom: 1rem; }
.hero-tagline { color: var(--text-muted); font-size: 1.1rem; margin-bottom: 2rem; }
.hero-cta { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* ── Sections ── */
.section { padding: 6rem 2rem; }
.section-alt { background: var(--bg-alt); }
.container { max-width: 1100px; margin: 0 auto; }

.section-title {
  font-size: 2rem; font-weight: 700; margin-bottom: 3rem;
  position: relative; display: inline-block;
}
.section-title::after {
  content: ''; display: block; margin-top: 0.4rem;
  height: 3px; width: 50%; background: var(--accent);
  border-radius: 2px;
}

/* ── About ── */
.about-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 3rem; align-items: center;
}
.about-text p { color: var(--text-muted); margin-bottom: 1rem; }
.about-text .btn { margin-top: 0.5rem; }

.image-placeholder {
  width: 100%; aspect-ratio: 1;
  border-radius: var(--radius);
  background: var(--surface);
  border: 2px dashed var(--border);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-muted); font-size: 0.9rem;
  max-width: 320px; margin: 0 auto;
}

/* ── Skills ── */
.skills-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }

.skill-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  transition: border-color var(--transition), transform var(--transition);
}
.skill-card:hover { border-color: var(--accent); transform: translateY(-4px); }
.skill-card h3 { font-size: 1rem; color: var(--accent-2); margin-bottom: 1rem; }
.skill-card li { color: var(--text-muted); padding: 0.25rem 0; font-size: 0.9rem; }

/* ── Projects ── */
.projects-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1.5rem; }

.project-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: flex; flex-direction: column;
  transition: border-color var(--transition), transform var(--transition);
}
.project-card:hover { border-color: var(--accent); transform: translateY(-4px); }

.project-header {
  padding: 1.25rem 1.5rem;
  font-weight: 700; font-size: 1.05rem;
  border-bottom: 1px solid var(--border);
}
.project-body { padding: 1.25rem 1.5rem; flex: 1; }
.project-body p { color: var(--text-muted); font-size: 0.9rem; margin-bottom: 1rem; }

.project-tags { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.tag {
  font-size: 0.75rem; padding: 0.2rem 0.65rem;
  background: rgba(108,99,255,0.15); color: var(--accent-2);
  border-radius: 20px; border: 1px solid rgba(108,99,255,0.3);
}

.project-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--border);
  display: flex; gap: 0.75rem;
}

/* ── Contact ── */
.contact-sub { color: var(--text-muted); margin-bottom: 2rem; }

.contact-form { max-width: 600px; }
.form-group { margin-bottom: 1.25rem; }
.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-family: inherit; font-size: 0.95rem;
  transition: border-color var(--transition);
  resize: vertical;
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none; border-color: var(--accent);
}

/* ── Footer ── */
.footer {
  padding: 2.5rem 2rem;
  text-align: center;
  border-top: 1px solid var(--border);
  background: var(--bg);
}
.social-links { display: flex; gap: 1.5rem; justify-content: center; margin-bottom: 1rem; }
.social-links a { color: var(--text-muted); font-size: 0.9rem; transition: color var(--transition); }
.social-links a:hover { color: var(--accent-2); }
.footer p { color: var(--text-muted); font-size: 0.85rem; }

/* ── Responsive ── */
@media (max-width: 768px) {
  .nav-links { display: none; flex-direction: column; position: absolute; top: 100%; left: 0; width: 100%; background: var(--bg-alt); padding: 1rem 2rem; border-bottom: 1px solid var(--border); }
  .nav-links.open { display: flex; }
  .nav-toggle { display: block; }
  .about-grid { grid-template-columns: 1fr; }
  .skills-grid { grid-template-columns: 1fr; }
}