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

html { 
  scroll-behavior: smooth; 
  scroll-padding-top: calc(var(--topbar-height) + 20px);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  transition: background var(--transition), color var(--transition);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }

.bg-orbs { position: fixed; inset: 0; z-index: -2; overflow: hidden; pointer-events: none; }
.orb {
  position: absolute; border-radius: 50%; filter: blur(100px); opacity: 0.35;
  animation: float 18s ease-in-out infinite;
}
.orb-1 { width: 420px; height: 420px; background: var(--accent-purple); top: -100px; left: -100px; }
.orb-2 { width: 380px; height: 380px; background: var(--accent-blue); bottom: -120px; right: -80px; animation-delay: -6s; }
.orb-3 { width: 300px; height: 300px; background: var(--accent-pink); top: 45%; left: 45%; animation-delay: -12s; }

.noise-overlay {
  position: fixed; inset: 0; z-index: -1; pointer-events: none; opacity: 0.04;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* Topbar */
.topbar {
  position: sticky; top: 0; z-index: 100;
  border-bottom: 1px solid var(--border-color);
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  background: color-mix(in srgb, var(--bg-primary) 75%, transparent);
  height: var(--topbar-height);
}
.topbar__inner {
  max-width: 1600px; margin: 0 auto; padding: 0 24px;
  height: 100%;
  display: flex; align-items: center; gap: 24px;
}

.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 800; font-size: 1.1rem; flex-shrink: 0; }
.logo__img {
  width: 36px; height: 36px; border-radius: 10px; object-fit: cover;
  box-shadow: 0 0 20px rgba(139, 92, 246, 0.5);
  transition: var(--transition);
}
.logo:hover .logo__img { transform: scale(1.08) rotate(-3deg); }
.logo__mark {
  width: 34px; height: 34px; border-radius: 10px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--accent-purple), var(--accent-blue));
  color: #fff; font-weight: 900;
}
.logo__text { color: var(--text-primary); }
.logo__dot { color: var(--accent-purple); }

.nav { display: flex; gap: 4px; margin-left: auto; }
.nav__link {
  padding: 8px 14px; border-radius: 10px; color: var(--text-secondary);
  text-decoration: none; font-weight: 500; font-size: 0.92rem;
  transition: var(--transition); white-space: nowrap;
}
.nav__link:hover, .nav__link.active { color: var(--text-primary); background: var(--bg-elevated); }

.topbar__actions { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.icon-btn {
  width: 38px; height: 38px; border-radius: 10px; border: 1px solid var(--border-color);
  background: var(--bg-elevated); color: var(--text-secondary);
  display: grid; place-items: center; cursor: pointer;
  transition: var(--transition); flex-shrink: 0;
}
.icon-btn:hover { color: var(--text-primary); border-color: var(--accent-purple); }
.icon { width: 18px; height: 18px; }
.icon-sun { display: none; }
.icon-close { display: none; }
[data-theme="light"] .icon-sun { display: block; }
[data-theme="light"] .icon-moon { display: none; }
.menu-btn { display: none; }

/* Dashboard */
.dashboard {
  max-width: 1600px; margin: 0 auto; padding: 24px;
  display: grid;
  grid-template-columns: 300px 1fr 320px;
  gap: 20px;
  align-items: start;
}
.sidebar { display: flex; flex-direction: column; gap: 16px; position: sticky; top: calc(var(--topbar-height) + 20px); }
.content { display: flex; flex-direction: column; gap: 20px; min-width: 0; }

.section-head {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 12px; margin-top: 12px; flex-wrap: wrap;
}
.section-head h2 { font-size: 1.35rem; font-weight: 700; letter-spacing: -0.02em; }
.muted { color: var(--text-muted); font-size: 0.85rem; }
.link-arrow { color: var(--accent-purple); text-decoration: none; font-weight: 500; font-size: 0.9rem; transition: var(--transition); }
.link-arrow:hover { color: var(--accent-blue); }

/* Hero */
.hero { padding: 40px; position: relative; overflow: hidden; }
.hero__glow {
  position: absolute; top: -50%; right: -20%; width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.25), transparent 70%);
  pointer-events: none;
}
.hero__title {
  font-size: clamp(1.6rem, 3.2vw, 2.6rem);
  font-weight: 800; line-height: 1.15; letter-spacing: -0.03em;
  margin: 16px 0 12px;
}
.hero__subtitle { color: var(--text-secondary); max-width: 620px; font-size: 1rem; }
.hero__stats { display: flex; gap: 32px; margin-top: 28px; flex-wrap: wrap; }
.hero__stat { display: flex; flex-direction: column; gap: 2px; }
.hero__stat-num { font-size: 1.6rem; font-weight: 800; font-family: var(--font-mono); }
.hero__stat span:last-child { font-size: 0.8rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.08em; }

.gradient-text {
  background: linear-gradient(135deg, var(--accent-purple), var(--accent-blue), var(--accent-cyan));
  background-size: 200% 200%;
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: gradientShift 6s ease infinite;
}
.cursor { color: var(--accent-purple); animation: blink 1s step-end infinite; font-weight: 300; }

/* Grids */
.featured-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
.projects-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px; }
.skills-grid { display: grid; grid-template-columns: 1fr; gap: 16px; }

/* ============================================
   PROFESSIONAL FOOTER
   ============================================ */
.footer {
  position: relative;
  margin-top: 60px;
  background: linear-gradient(180deg, transparent 0%, var(--bg-secondary) 100%);
  border-top: 1px solid var(--border-color);
  overflow: hidden;
}

.footer__glow {
  position: absolute;
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 200px;
  background: radial-gradient(ellipse, rgba(139, 92, 246, 0.25), transparent 70%);
  pointer-events: none;
}

.footer__inner {
  max-width: 1600px;
  margin: 0 auto;
  padding: 56px 24px 32px;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.3fr;
  gap: 40px;
  position: relative;
  z-index: 1;
}

@media (max-width: 991px) {
  .footer__inner { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 600px) {
  .footer__inner { grid-template-columns: 1fr; padding: 40px 20px 24px; gap: 28px; }
}

.footer__col { display: flex; flex-direction: column; gap: 14px; }

/* Brand column */
.footer__col--brand { gap: 16px; }

.footer__logo {
  display: flex; align-items: center; gap: 10px;
  text-decoration: none; width: fit-content;
}
.footer__logo-img {
  width: 38px; height: 38px; border-radius: 10px; object-fit: cover;
  box-shadow: 0 0 24px rgba(139, 92, 246, 0.5);
}
.footer__logo-mark {
  width: 38px; height: 38px; border-radius: 10px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--accent-purple), var(--accent-blue));
  color: #fff; font-weight: 900; font-size: 1.1rem;
}
.footer__logo-text {
  font-size: 1.2rem; font-weight: 800;
  color: var(--text-primary); letter-spacing: -0.02em;
}
.footer__logo-text span { color: var(--accent-purple); }

.footer__desc {
  color: var(--text-secondary);
  font-size: 0.88rem;
  line-height: 1.65;
  max-width: 340px;
}

.footer__col--brand .badge { width: fit-content; }

/* Headings */
.footer__heading {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-primary);
  margin-bottom: 4px;
}

/* Lists */
.footer__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer__list a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.88rem;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  width: fit-content;
}
.footer__list a:hover {
  color: var(--accent-purple);
  transform: translateX(4px);
}

.footer__link-icon .icon {
  width: 15px; height: 15px;
  opacity: 0.7;
  transition: var(--transition);
}
.footer__link-icon:hover .icon {
  opacity: 1;
  color: var(--accent-purple);
}

.footer__link-icon.copied::after {
  content: '✓ Copied!';
  color: var(--accent-green);
  font-size: 0.75rem;
  margin-left: 6px;
}

/* Bottom bar */
.footer__bottom {
  max-width: 1600px;
  margin: 0 auto;
  padding: 24px;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}

.footer__copy,
.footer__made {
  color: var(--text-muted);
  font-size: 0.82rem;
}
.footer__copy strong { color: var(--text-primary); font-weight: 600; }

.heart {
  color: var(--accent-pink);
  display: inline-block;
  animation: heartbeat 1.5s ease-in-out infinite;
}

@keyframes heartbeat {
  0%, 100% { transform: scale(1); }
  25%      { transform: scale(1.2); }
  50%      { transform: scale(1); }
  75%      { transform: scale(1.15); }
}

.footer__legal {
  display: flex;
  gap: 10px;
  align-items: center;
  font-size: 0.8rem;
  color: var(--text-muted);
}
.footer__legal a {
  color: var(--text-muted);
  text-decoration: none;
  transition: var(--transition);
}
.footer__legal a:hover { color: var(--accent-purple); }

@media (max-width: 600px) {
  .footer__bottom {
    flex-direction: column;
    text-align: center;
    gap: 12px;
    padding: 20px;
  }
}

/* Bottom nav (mobile) */
.bottom-nav {
  display: none;
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 99;
  background: color-mix(in srgb, var(--bg-primary) 92%, transparent);
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  border-top: 1px solid var(--border-color);
  padding: 8px 4px calc(8px + env(safe-area-inset-bottom));
  justify-content: space-around;
  align-items: center;
}
.bottom-nav__item {
  display: flex; flex-direction: column; align-items: center; gap: 2px;
  padding: 6px 12px; border-radius: 10px;
  color: var(--text-muted); text-decoration: none;
  font-size: 0.65rem; font-weight: 600;
  transition: var(--transition);
  flex: 1;
  max-width: 80px;
}
.bottom-nav__item .icon { width: 20px; height: 20px; }
.bottom-nav__item.active,
.bottom-nav__item:hover { color: var(--accent-purple); }