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

:root {
  --bg: #0a0a0f;
  --bg2: #111118;
  --surface: #16161f;
  --border: #22222e;
  --accent: #6c63ff;
  --accent2: #00d4aa;
  --text: #e8e8f0;
  --muted: #8888aa;
  --radius: 12px;
  --font: 'Inter', sans-serif;
  --font-head: 'Space Grotesk', sans-serif;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img { border-radius: 0; display: block; }

/* ─── NAV ─── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 1.25rem 2rem;
  transition: background 0.3s, backdrop-filter 0.3s, border-bottom 0.3s;
}
.nav.scrolled {
  background: rgba(10,10,15,0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-family: var(--font-head);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--accent);
  text-decoration: none;
  letter-spacing: -0.02em;
}
.nav-links {
  display: flex;
  list-style: none;
  gap: 2rem;
}
.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--text); }

/* ─── HERO ─── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4rem;
  padding: 8rem 2rem 4rem;
  max-width: 1100px;
  margin: 0 auto;
}
.hero-content { flex: 1; }
.hero-tag {
  display: inline-block;
  background: rgba(108,99,255,0.15);
  color: var(--accent);
  border: 1px solid rgba(108,99,255,0.3);
  padding: 0.3rem 0.9rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 500;
  margin-bottom: 1.5rem;
}
.hero h1 {
  font-family: var(--font-head);
  font-size: clamp(3rem, 7vw, 5.5rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}
.accent { color: var(--accent); }
.hero-sub {
  color: var(--muted);
  font-size: 1.1rem;
  max-width: 480px;
  margin-bottom: 2.5rem;
  line-height: 1.8;
}
.hero-cta { display: flex; gap: 1rem; flex-wrap: wrap; }

.btn-primary {
  background: var(--accent);
  color: #fff;
  padding: 0.8rem 1.8rem;
  border-radius: var(--radius);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  transition: opacity 0.2s, transform 0.2s;
  display: inline-block;
}
.btn-primary:hover { opacity: 0.85; transform: translateY(-2px); }

.btn-ghost {
  background: transparent;
  color: var(--text);
  padding: 0.8rem 1.8rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  transition: border-color 0.2s, transform 0.2s;
  display: inline-block;
}
.btn-ghost:hover { border-color: var(--accent); transform: translateY(-2px); }

.btn-large { padding: 1rem 2.5rem; font-size: 1.05rem; }

.hero-visual { flex-shrink: 0; }
.hero-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 1.5rem;
  width: 260px;
  text-align: center;
}
.profile-img {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 1rem;
  border: 3px solid var(--accent);
}
.hero-card-info {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}
.hero-card-info strong { font-size: 0.95rem; font-weight: 600; }
.hero-card-info span { color: var(--muted); font-size: 0.82rem; }

/* ─── SECTIONS ─── */
.section { padding: 6rem 2rem; }
.section-dark { background: var(--bg2); }
.container { max-width: 1100px; margin: 0 auto; }

.section-tag {
  display: inline-block;
  color: var(--accent2);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
}
.section-title {
  font-family: var(--font-head);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 3rem;
  line-height: 1.2;
}

/* ─── ABOUT ─── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}
.about-text p {
  color: var(--muted);
  margin-bottom: 1rem;
  font-size: 1.05rem;
}
.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}
.stat {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  text-align: center;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.4s, transform 0.4s;
}
.stat.visible { opacity: 1; transform: translateY(0); }
.stat strong {
  display: block;
  font-family: var(--font-head);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 0.25rem;
}
.stat span { color: var(--muted); font-size: 0.85rem; }

/* ─── 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: 2rem;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.4s, transform 0.4s, border-color 0.2s;
}
.skill-card.visible { opacity: 1; transform: translateY(0); }
.skill-card:hover { border-color: var(--accent); }
.skill-icon { font-size: 2rem; margin-bottom: 1rem; }
.skill-card h3 {
  font-family: var(--font-head);
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}
.skill-card p { color: var(--muted); font-size: 0.9rem; line-height: 1.6; }

/* ─── EXPERIENCE ─── */
.experience-grid { display: flex; flex-direction: column; gap: 2rem; }
.exp-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 2rem;
  align-items: start;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.4s, transform 0.4s, border-color 0.2s;
}
.exp-card.visible { opacity: 1; transform: translateY(0); }
.exp-card:hover { border-color: var(--border); border-color: rgba(108,99,255,0.3); }
.exp-logo {
  background: #fff;
  border-radius: var(--radius);
  padding: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 80px;
  width: 120px;
  flex-shrink: 0;
  overflow: hidden;
}
.exp-logo img { width: 100%; height: 100%; object-fit: contain; border-radius: 0; }
.freelance-logo {
  background: var(--bg);
  border: 1px solid var(--border);
}
.freelance-logo span { color: var(--accent); font-size: 0.7rem; font-weight: 600; }
.exp-content h3 {
  font-family: var(--font-head);
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}
.exp-role {
  color: var(--accent2);
  font-size: 0.85rem;
  font-weight: 500;
  display: block;
  margin-bottom: 0.75rem;
}
.exp-content p { color: var(--muted); font-size: 0.95rem; margin-bottom: 1rem; }
.exp-highlights {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.exp-highlights li {
  color: var(--muted);
  font-size: 0.875rem;
  padding-left: 1.2rem;
  position: relative;
}
.exp-highlights li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--accent);
}

/* ─── VIDEO ─── */
.intro-video {
  width: 100%;
  max-width: 760px;
  border-radius: 16px;
  margin: 0 auto;
  display: block;
  border: 1px solid var(--border);
}

/* ─── CONTACT ─── */
.contact-container { text-align: center; }
.contact-sub {
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 500px;
  margin: 0 auto 2.5rem;
}

/* ─── ABOUT VIDEO ─── */
.about-video {
  width: 100%;
  max-width: 100%;
  margin-top: 1.5rem;
  border-radius: 12px;
  border: 1px solid var(--border);
}

/* ─── EDUCATION ─── */
.edu-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}
.edu-heading {
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--accent2);
  margin-bottom: 1.5rem;
}
.edu-item {
  margin-bottom: 1.5rem;
}
.edu-item strong {
  display: block;
  font-weight: 600;
  font-size: 0.95rem;
  margin-bottom: 0.25rem;
}
.edu-item span {
  color: var(--muted);
  font-size: 0.85rem;
}
.cert-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.cert-list li {
  color: var(--muted);
  font-size: 0.88rem;
  padding-left: 1.2rem;
  position: relative;
}
.cert-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--accent2);
  font-weight: 700;
}

/* ─── FOOTER ─── */
.footer {
  background: var(--bg2);
  border-top: 1px solid var(--border);
  padding: 2.5rem 2rem;
}
.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}
.footer-links { display: flex; gap: 1.5rem; }
.footer-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--text); }
.footer p { color: var(--muted); font-size: 0.82rem; }

/* ─── RESPONSIVE ─── */
@media (max-width: 768px) {
  .hero { flex-direction: column; text-align: center; padding-top: 6rem; gap: 2rem; }
  .hero-sub { margin: 0 auto 2.5rem; }
  .hero-cta { justify-content: center; }
  .hero-visual { width: 100%; display: flex; justify-content: center; }
  .about-grid { grid-template-columns: 1fr; gap: 2rem; }
  .skills-grid { grid-template-columns: 1fr 1fr; }
  .exp-card { grid-template-columns: 1fr; }
  .exp-logo { width: 80px; height: 60px; }
  .nav-links { display: none; }
  .footer-inner { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .skills-grid { grid-template-columns: 1fr; }
  .about-stats { grid-template-columns: 1fr 1fr; }
}