/* ══════════════════════════════════════════
   PROFESSIONAL PORTFOLIO — Dev Adhikari
   Clean, Premium Dark Theme
   ══════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

:root {
  --bg: #0b0d17;
  --bg-alt: #101325;
  --surface: rgba(255, 255, 255, 0.04);
  --surface-hover: rgba(255, 255, 255, 0.07);
  --glass: rgba(255, 255, 255, 0.05);
  --glass-border: rgba(255, 255, 255, 0.08);
  --border: rgba(255, 255, 255, 0.06);
  --text: #e2e8f0;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --white: #ffffff;
  --accent: #6366f1;
  --accent-light: #818cf8;
  --accent-glow: rgba(99, 102, 241, 0.15);
  --accent2: #06b6d4;
  --accent3: #f59e0b;
  --gradient: linear-gradient(135deg, #6366f1, #8b5cf6, #06b6d4);
  --gradient-subtle: linear-gradient(135deg, rgba(99,102,241,0.1), rgba(6,182,212,0.1));
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.2);
  --shadow-md: 0 8px 32px rgba(0,0,0,0.3);
  --shadow-lg: 0 16px 64px rgba(0,0,0,0.4);
  --radius: 16px;
  --radius-sm: 10px;
  --nav-height: 72px;
}

/* ── RESET & BASE ── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
::selection { background: rgba(99, 102, 241, 0.3); color: #fff; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }

/* ── BACKGROUND GRADIENTS ── */
.bg-gradient {
  position: fixed;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
  z-index: 0;
  opacity: 0.5;
}
.bg-grad-1 {
  width: 600px; height: 600px;
  top: -200px; right: -100px;
  background: radial-gradient(circle, rgba(99,102,241,0.2), transparent 70%);
}
.bg-grad-2 {
  width: 500px; height: 500px;
  bottom: 20%; left: -150px;
  background: radial-gradient(circle, rgba(6,182,212,0.15), transparent 70%);
}

/* ── NAVBAR ── */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  padding: 0 48px;
  background: rgba(11, 13, 23, 0.6);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid transparent;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.navbar.scrolled {
  background: rgba(11, 13, 23, 0.9);
  border-bottom: 1px solid var(--glass-border);
  box-shadow: 0 4px 30px rgba(0,0,0,0.3);
}
.nav-container {
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo a {
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  font-size: 24px;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.5px;
}
.nav-links {
  display: flex;
  gap: 36px;
  list-style: none;
  align-items: center;
}
.nav-links a {
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.3px;
  transition: color 0.3s;
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient);
  border-radius: 2px;
  transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.nav-links a:hover { color: var(--white); }
.nav-links a:hover::after { width: 100%; }

.btn-outline {
  padding: 10px 22px;
  border: 1px solid var(--glass-border);
  border-radius: 10px;
  background: var(--surface);
  color: var(--text);
  font-size: 13px;
  font-weight: 600;
  transition: all 0.3s;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
}
.btn-outline:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  box-shadow: 0 4px 20px var(--accent-glow);
  transform: translateY(-1px);
}

/* ── HERO SECTION ── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  z-index: 1;
  padding: 0 48px;
  padding-top: var(--nav-height);
}
.hero-content {
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.hero-text { display: flex; flex-direction: column; gap: 24px; }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  width: fit-content;
  padding: 8px 16px;
  background: rgba(34, 197, 94, 0.1);
  border: 1px solid rgba(34, 197, 94, 0.2);
  border-radius: 100px;
  font-size: 13px;
  font-weight: 600;
  color: #22c55e;
  letter-spacing: 0.3px;
}
.badge::before {
  content: '';
  width: 8px; height: 8px;
  background: #22c55e;
  border-radius: 50%;
  animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(34,197,94,0.4); }
  50% { opacity: 0.8; box-shadow: 0 0 0 6px rgba(34,197,94,0); }
}

.hero-name {
  font-family: 'Outfit', sans-serif;
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 800;
  color: var(--white);
  line-height: 1.1;
  letter-spacing: -1.5px;
}
.hero-role {
  font-family: 'Outfit', sans-serif;
  font-size: clamp(20px, 3vw, 28px);
  font-weight: 600;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.3;
}
.bio {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.8;
  max-width: 520px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  background: var(--gradient);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  border: none;
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 15px var(--accent-glow);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(99,102,241,0.3);
}
.btn-primary i { transition: transform 0.3s; }
.btn-primary:hover i { transform: translateX(4px); }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  background: var(--surface);
  border: 1px solid var(--glass-border);
  color: var(--text);
  font-size: 15px;
  font-weight: 600;
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.3s;
}
.btn-secondary:hover {
  background: var(--surface-hover);
  border-color: rgba(255,255,255,0.15);
  transform: translateY(-2px);
}

.social-row {
  display: flex;
  gap: 12px;
  margin-top: 8px;
}
.social-row a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px; height: 42px;
  border-radius: 10px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 18px;
  transition: all 0.3s;
}
.social-row a:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  transform: translateY(-3px);
  box-shadow: 0 6px 20px var(--accent-glow);
}

/* Hero Image */
.hero-image { display: flex; justify-content: center; align-items: center; }
.image-wrapper {
  position: relative;
  width: 360px;
  height: 360px;
}
.image-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 24px;
  border: 2px solid var(--glass-border);
  position: relative;
  z-index: 2;
}
.glow-effect {
  position: absolute;
  inset: -3px;
  border-radius: 26px;
  background: var(--gradient);
  opacity: 0.3;
  z-index: 1;
  filter: blur(20px);
  animation: glow-pulse 4s ease-in-out infinite;
}
@keyframes glow-pulse {
  0%, 100% { opacity: 0.2; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(1.02); }
}

/* ── MARQUEE ── */
.marquee-wrap {
  position: relative;
  z-index: 1;
  overflow: hidden;
  padding: 20px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg-alt);
}
.marquee {
  display: flex;
  gap: 32px;
  animation: marquee 45s linear infinite;
  width: max-content;
}
.marquee span {
  font-size: 13px;
  color: var(--text-muted);
  white-space: nowrap;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 2px;
}
@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ── SECTIONS ── */
.section {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  margin: 0 auto;
  padding: 100px 48px;
}
.bg-alternate {
  background: var(--bg-alt);
}
.bg-alternate .section {
  max-width: 100%;
}
.bg-alternate > .section-header,
.bg-alternate > .section-header ~ * {
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

/* Use wrapper approach for alternate bg */
section.bg-alternate {
  max-width: 100%;
  padding: 100px 48px;
}
section.bg-alternate .section-header,
section.bg-alternate .skills-grid,
section.bg-alternate .timeline {
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}
.section-title {
  font-family: 'Outfit', sans-serif;
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  color: var(--white);
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}
.section-subtitle {
  font-size: 16px;
  color: var(--text-secondary);
  max-width: 500px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ── GRID CARDS ── */
.services-grid, .skills-grid, .projects-grid {
  display: grid;
  gap: 24px;
}
.services-grid { grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
.skills-grid { grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); }
.projects-grid { grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); }

.card {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 32px;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}
.card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-subtle);
  opacity: 0;
  transition: opacity 0.4s;
  pointer-events: none;
}
.card:hover {
  border-color: rgba(99,102,241,0.2);
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg), 0 0 40px var(--accent-glow);
}
.card:hover::before { opacity: 1; }

.card-icon {
  width: 52px; height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  background: var(--gradient-subtle);
  border: 1px solid rgba(99,102,241,0.15);
  font-size: 22px;
  color: var(--accent-light);
  margin-bottom: 20px;
}
.card h3 {
  font-family: 'Outfit', sans-serif;
  font-size: 18px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 10px;
}
.card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ── SKILLS ── */
.skill-bar-wrap { margin-top: 16px; }
.skill-bar-label {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 8px;
  font-weight: 500;
}
.skill-bar {
  height: 6px;
  background: rgba(255,255,255,0.06);
  border-radius: 100px;
  width: 100%;
  overflow: hidden;
}
.skill-bar-fill {
  height: 100%;
  background: var(--gradient);
  width: 0;
  border-radius: 100px;
  transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

/* ── PROJECTS ── */
.project-card {
  display: flex;
  flex-direction: column;
}
.project-card:hover h3 { color: var(--accent-light); }
.project-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}
.icon-wrap {
  width: 48px; height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: var(--gradient-subtle);
  border: 1px solid rgba(99,102,241,0.15);
  font-size: 20px;
  color: var(--accent-light);
}
.link-icon {
  color: var(--text-muted);
  font-size: 14px;
  transition: all 0.3s;
}
.project-card:hover .link-icon {
  color: var(--accent-light);
  transform: translate(3px, -3px);
}
.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: auto;
  padding-top: 20px;
}
.tag {
  font-size: 12px;
  padding: 5px 12px;
  background: rgba(99,102,241,0.08);
  border: 1px solid rgba(99,102,241,0.15);
  border-radius: 100px;
  color: var(--accent-light);
  font-weight: 500;
}

/* ── TIMELINE ── */
.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  padding-left: 40px;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent), var(--accent2));
  border-radius: 2px;
  opacity: 0.3;
}
.timeline-item {
  position: relative;
  margin-bottom: 48px;
}
.timeline-dot {
  position: absolute;
  left: -46px;
  top: 6px;
  width: 12px;
  height: 12px;
  background: var(--bg);
  border: 2px solid var(--accent-light);
  border-radius: 50%;
  transition: all 0.3s;
  z-index: 2;
}
.timeline-item:hover .timeline-dot {
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent-glow);
  transform: scale(1.3);
}
.timeline-content {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 28px;
  transition: all 0.3s;
}
.timeline-item:hover .timeline-content {
  border-color: rgba(99,102,241,0.2);
  box-shadow: var(--shadow-md);
}
.timeline-date {
  font-size: 12px;
  font-weight: 600;
  color: var(--accent-light);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.timeline-title {
  font-family: 'Outfit', sans-serif;
  font-size: 20px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 8px;
}
.timeline-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ── CONTACT ── */
.contact-box {
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
  padding: 60px 48px;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  position: relative;
  overflow: hidden;
}
.contact-box::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-subtle);
  pointer-events: none;
}
.contact-box h2 {
  font-family: 'Outfit', sans-serif;
  font-size: clamp(24px, 4vw, 36px);
  font-weight: 700;
  color: var(--white);
  margin-bottom: 16px;
  position: relative;
}
.contact-box p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 32px;
  position: relative;
}
.contact-box .btn-primary {
  position: relative;
}

/* ── FOOTER ── */
.footer {
  border-top: 1px solid var(--border);
  padding: 48px 20px;
  background: var(--bg-alt);
  position: relative;
  z-index: 1;
}
.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}
.footer-logo {
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  font-size: 22px;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.footer p {
  font-size: 13px;
  color: var(--text-muted);
}
.footer-social {
  display: flex;
  gap: 12px;
}
.footer-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px; height: 38px;
  border-radius: 10px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 16px;
  transition: all 0.3s;
}
.footer-social a:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  transform: translateY(-2px);
}

/* ── REVEALS ── */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── STAGGERED ANIMATION DELAYS ── */
.services-grid .card:nth-child(2) { transition-delay: 0.1s; }
.services-grid .card:nth-child(3) { transition-delay: 0.2s; }
.services-grid .card:nth-child(4) { transition-delay: 0.3s; }
.projects-grid .card:nth-child(2) { transition-delay: 0.1s; }
.projects-grid .card:nth-child(3) { transition-delay: 0.15s; }
.projects-grid .card:nth-child(4) { transition-delay: 0.2s; }
.projects-grid .card:nth-child(5) { transition-delay: 0.25s; }
.projects-grid .card:nth-child(6) { transition-delay: 0.3s; }

/* ── MOBILE HAMBURGER ── */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  z-index: 1001;
}
.nav-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all 0.3s;
}

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
  .hero-content { grid-template-columns: 1fr; gap: 48px; text-align: center; }
  .hero-text { align-items: center; }
  .bio { max-width: 600px; }
  .hero-image { order: -1; }
  .image-wrapper { width: 280px; height: 280px; }
  .social-row { justify-content: center; }
  .hero-buttons { justify-content: center; }
}

@media (max-width: 768px) {
  .navbar { padding: 0 20px; }
  .nav-links, .nav-btn { display: none; }
  .nav-hamburger { display: flex; }
  .hero { padding: 0 20px; }
  .section { padding: 80px 20px; }
  section.bg-alternate { padding: 80px 20px; }
  .hero-name { font-size: 32px; }
  .hero-role { font-size: 20px; }
  .image-wrapper { width: 220px; height: 220px; }
  .services-grid, .skills-grid, .projects-grid {
    grid-template-columns: 1fr;
  }
  .contact-box { padding: 40px 24px; }
  .timeline { padding-left: 30px; }
  .timeline-dot { left: -36px; }
  .btn-primary, .btn-secondary {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .hero-name { font-size: 28px; }
  .card { padding: 24px; }
  .section-title { font-size: 26px; }
}