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

:root {
  --bg: #0f1115;
  --bg-muted: #171920;
  --text: #f0f2f5;
  --text-muted: #9ca3af;
  --accent: #fb923c;
  --accent-light: rgba(251, 146, 60, 0.15);
  --card-bg: #1e2128;
  --border: #2d3340;
  --nav-height: 64px;
  --font-display: 'DM Serif Display', Georgia, serif;
  --font-body: 'DM Sans', sans-serif;
  --radius: 14px;
  --shadow: 0 4px 20px rgba(0,0,0,0.4);
  --shadow-hover: 0 10px 40px rgba(0,0,0,0.6);
  --transition: 0.22s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  font-size: 16px;
}

/* ── Nav ── */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(15, 17, 21, 0.88);
  /*backdrop-filter: blur(12px);*/
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), box-shadow var(--transition);
  height: var(--nav-height);
}
.nav.scrolled {
  border-bottom-color: var(--border);
  box-shadow: 0 2px 20px rgba(0,0,0,0.06);
}
.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 28px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-family: var(--font-display);
  font-size: 1.35rem;
  color: var(--text);
  letter-spacing: -0.5px;
}
.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
}
.nav-links a {
  text-decoration: none;
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: color var(--transition);
}
.nav-links a:hover { color: var(--accent); }
.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.4rem;
  cursor: pointer;
  color: var(--text);
}

/* ── Hero ── */
.hero {
  max-width: 1100px;
  margin: 0 auto;
  padding: 96px 28px 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
}
.hero-sub {
  font-size: 0.9rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 500;
  margin-bottom: 8px;
}
.hero-name {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 8vw, 5rem);
  line-height: 1.05;
  letter-spacing: -1.5px;
  color: var(--text);
  margin-bottom: 12px;
  overflow-wrap: break-word;
  hyphens: auto;
}
.hero-role {
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-bottom: 36px;
}
.hero-role .accent { color: var(--accent); font-weight: 500; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-image { position: relative; flex-shrink: 0; display: inline-flex; justify-content: center; align-items: center; }
.avatar {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  object-fit: cover;
  object-position: top;
  position: relative;
  z-index: 1;
  border: 4px solid var(--card-bg);
  box-shadow: var(--shadow-hover);
  display: block;
}
.avatar-ring {
  position: absolute;
  inset: -12px;
  border-radius: 50%;
  border: 2px dashed var(--accent);
  opacity: 0.35;
  animation: spin 20s linear infinite;
  z-index: 0;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Buttons ── */
.btn {
  display: inline-block;
  padding: 12px 26px;
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition);
  border: 2px solid transparent;
  letter-spacing: 0.02em;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.btn-primary:hover { background: #ea580c; border-color: #ea580c; transform: translateY(-2px); box-shadow: 0 6px 20px rgba(251,146,60,0.35); }
.btn-outline {
  background: transparent;
  color: var(--accent);
  border-color: var(--accent);
}
.btn-outline:hover { background: var(--accent-light); transform: translateY(-2px); }
button.btn { font-family: var(--font-body); }

/* ── Sections ── */
.section { padding: 88px 0; }
.bg-muted { background: var(--bg-muted); }
.container { max-width: 1100px; margin: 0 auto; padding: 0 28px; }
.section-tag {
  display: inline-block;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 8px;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: -1px;
  margin-bottom: 36px;
}

/* ── About ── */
.about-text {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 600px;
  line-height: 1.8;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.about-text.visible { opacity: 1; transform: none; }

/* ── Skills ── */
.skills-grid { 
  display: flex; 
  gap: 20px; 
  overflow-x: auto; 
  padding: 10px 4px 24px 4px; 
  margin: 0 -4px;
  scroll-snap-type: x mandatory;
  -ms-overflow-style: none; /* IE and Edge */
  scrollbar-width: none; /* Firefox */
}
.skills-grid::-webkit-scrollbar {
  display: none; /* Chrome, Safari and Opera */
}
.skill-card {
  background: var(--card-bg);
  padding: 28px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: transform var(--transition), box-shadow var(--transition);
  opacity: 0;
  transform: translateY(24px);
  flex: 0 0 280px;
  scroll-snap-align: start;
}
.skill-card.visible { opacity: 1; transform: none; transition: opacity 0.45s ease, transform 0.45s ease, box-shadow var(--transition); }
.skill-card:hover { 
  transform: translateY(-5px); 
  box-shadow: 0 10px 40px rgba(0,0,0,0.6), 0 0 20px rgba(251, 146, 60, 0.3); 
  border-color: rgba(251, 146, 60, 0.5);
}
.skill-icon { font-size: 1.8rem; margin-bottom: 12px; }
.skill-card h3 { font-weight: 600; font-size: 1rem; margin-bottom: 14px; }
.skill-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.chip {
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-muted);
  font-size: 0.8rem;
  padding: 5px 12px;
  border-radius: 50px;
  border: 1px solid var(--border);
  font-weight: 500;
  transition: all var(--transition);
}
.chip:hover {
  background: var(--accent-light);
  color: var(--accent);
  border-color: rgba(251, 146, 60, 0.3);
}

/* ── Projects ── */
.projects-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; }
.project-card {
  background: var(--card-bg);
  padding: 32px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
  position: relative;
  overflow: hidden;
  opacity: 0;
  transform: translateY(24px);
}
.project-card.visible { opacity: 1; transform: none; transition: opacity 0.45s ease, transform 0.45s ease, box-shadow var(--transition); }
.project-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--accent);
  transform: scaleX(0);
  transition: transform var(--transition);
  transform-origin: left;
}
.project-card:hover::before { transform: scaleX(1); }
.project-card:hover { 
  transform: translateY(-5px); 
  box-shadow: 0 10px 40px rgba(0,0,0,0.6), 0 0 20px rgba(251, 146, 60, 0.3);
  border-color: rgba(251, 146, 60, 0.5);
}
.project-badge {
  display: inline-block;
  background: var(--accent-light);
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  padding: 3px 10px;
  border-radius: 50px;
  margin-bottom: 14px;
  text-transform: uppercase;
}
.project-card h3 { font-weight: 700; margin-bottom: 8px; }
.project-card p { font-size: 0.92rem; color: var(--text-muted); margin-bottom: 18px; }
.project-link { color: var(--accent); font-weight: 600; text-decoration: none; font-size: 0.9rem; transition: letter-spacing var(--transition); }
.project-link:hover { letter-spacing: 0.04em; }

/* ── Contact Form ── */
.contact-form { max-width: 520px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 0.85rem; font-weight: 600; margin-bottom: 7px; color: var(--text); }
.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--border);
  border-radius: 10px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  background: var(--card-bg);
  color: var(--text);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(251,146,60,0.2);
}
.form-group textarea { resize: vertical; min-height: 130px; }
.form-status { margin-top: 14px; font-size: 0.9rem; font-weight: 500; }
.form-status.success { color: #4ade80; }
.form-status.error { color: #f87171; }

/* ── Footer ── */
.footer {
  background: #0a0c0f;
  color: rgba(255,255,255,0.55);
  padding: 36px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.88rem;
}
.footer-links { display: flex; gap: 16px; }
.footer-links a { 
  background-color: #fff;
  color: var(--bg);
  padding: 8px 16px;
  border-radius: 20px;
  font-weight: 600;
  text-decoration: none; 
  transition: all var(--transition); 
}
.footer-links a:hover { 
  background-color: var(--accent); 
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(251,146,60,0.3);
}

/* ── Fade-in animations ── */
.fade-in { opacity: 0; transform: translateY(28px); animation: fadeUp 0.7s ease forwards; }
.delay-1 { animation-delay: 0.15s; }
@keyframes fadeUp { to { opacity: 1; transform: none; } }

/* ── Mobile ── */
@media (max-width: 768px) {
  .hero { flex-direction: column-reverse; padding: 60px 20px 48px; text-align: center; }
  .hero-cta { justify-content: center; }
  .avatar { width: 150px; height: 150px; }
  .nav-links { display: none; flex-direction: column; position: absolute; top: var(--nav-height); left: 0; right: 0; background: var(--bg); padding: 20px 28px; border-bottom: 1px solid var(--border); gap: 18px; }
  .nav-links.open { display: flex; }
  .nav-toggle { display: block; }
}