:root {
  --bg: #eef2f7;
  --bg-strong: #e3eaf3;
  --surface: rgba(255, 255, 255, 0.82);
  --surface-solid: #ffffff;
  --surface-alt: #f6f8fb;
  --text: #122033;
  --text-soft: #516074;
  --border: rgba(18, 32, 51, 0.1);
  --accent: #163d6b;
  --accent-2: #3f78b4;
  --shadow: 0 24px 60px rgba(16, 33, 54, 0.12);
  --shadow-soft: 0 12px 30px rgba(16, 33, 54, 0.08);
}

:root[data-theme="dark"] {
  --bg: #0b1220;
  --bg-strong: #101a2d;
  --surface: rgba(14, 22, 38, 0.82);
  --surface-solid: #101a2d;
  --surface-alt: #0f1828;
  --text: #f4f7fb;
  --text-soft: #acb7c7;
  --border: rgba(255, 255, 255, 0.08);
  --accent: #8eb8ff;
  --accent-2: #5f8fd4;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
  --shadow-soft: 0 12px 30px rgba(0, 0, 0, 0.22);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Manrope", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(63, 120, 180, 0.16), transparent 28%),
    radial-gradient(circle at top right, rgba(22, 61, 107, 0.14), transparent 22%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-strong) 100%);
  min-height: 100vh;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.16), transparent 68%);
  opacity: 0.35;
}

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

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
}

.bg-orb {
  position: fixed;
  border-radius: 999px;
  filter: blur(10px);
  opacity: 0.55;
  pointer-events: none;
}

.bg-orb-1 {
  top: -80px;
  right: -60px;
  width: 240px;
  height: 240px;
  background: radial-gradient(circle, rgba(63, 120, 180, 0.28), rgba(63, 120, 180, 0));
}

.bg-orb-2 {
  bottom: 14%;
  left: -100px;
  width: 280px;
  height: 280px;
  background: radial-gradient(circle, rgba(22, 61, 107, 0.18), rgba(22, 61, 107, 0));
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem clamp(1rem, 2vw, 1.5rem);
  margin: 0 auto;
  max-width: 1220px;
  backdrop-filter: blur(18px);
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  border-bottom: 1px solid var(--border);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  min-width: 0;
}

.brand-mark {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 0.9rem;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  font-weight: 800;
  letter-spacing: 0.06em;
  box-shadow: var(--shadow-soft);
}

.brand-text {
  display: grid;
  min-width: 0;
}

.brand-text strong,
.brand-text small {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.brand-text strong {
  font-size: 1rem;
}

.brand-text small {
  color: var(--text-soft);
  font-size: 0.82rem;
}

.nav {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.nav a,
.theme-toggle {
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 0.7rem 0.95rem;
  color: var(--text-soft);
  transition: transform 0.25s ease, background-color 0.25s ease, border-color 0.25s ease, color 0.25s ease;
}

.nav a:hover,
.theme-toggle:hover {
  transform: translateY(-1px);
  background: var(--surface-solid);
  border-color: var(--border);
  color: var(--text);
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: transparent;
  cursor: pointer;
}

.nav-toggle {
  display: none;
  width: 3rem;
  height: 3rem;
  border: 1px solid var(--border);
  border-radius: 0.9rem;
  background: var(--surface-solid);
  box-shadow: var(--shadow-soft);
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 1.15rem;
  height: 2px;
  margin: 0.22rem auto;
  border-radius: 999px;
  background: var(--text);
}

main {
  width: min(1220px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 2rem 0 4rem;
}

.section {
  scroll-margin-top: 6rem;
  margin-top: 1.5rem;
}

.hero {
  display: grid;
  grid-template-columns: 1.45fr 0.95fr;
  gap: 1.5rem;
  align-items: stretch;
  margin-top: 1rem;
}

.hero-copy,
.profile-card,
.card,
.timeline-card,
.skill-card,
.project-card,
.experience-card,
.achievement-card,
.counter-card,
.contact-strip {
  border: 1px solid var(--border);
  background: var(--surface);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow-soft);
}

.hero-copy {
  padding: clamp(1.6rem, 4vw, 3rem);
  border-radius: 2rem;
}

.profile-card {
  padding: 1.5rem;
  border-radius: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 1.25rem;
}

.eyebrow {
  margin: 0 0 0.5rem;
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 800;
}

.hero-copy h1 {
  margin: 0;
  font-size: clamp(2.6rem, 7vw, 5rem);
  line-height: 0.95;
  letter-spacing: -0.05em;
}

.hero-role {
  margin: 0.8rem 0 0;
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: var(--accent);
  font-weight: 700;
}

.hero-summary,
.card p,
.timeline-card p,
.project-card p,
.experience-card p,
.achievement-card p,
.counter-card p {
  color: var(--text-soft);
  line-height: 1.75;
}

.hero-summary {
  margin: 1rem 0 0;
  max-width: 62ch;
  font-size: 1rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 1.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 3rem;
  padding: 0.8rem 1.2rem;
  border-radius: 999px;
  font-weight: 700;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background-color 0.25s ease, color 0.25s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  box-shadow: 0 16px 30px rgba(22, 61, 107, 0.25);
}

.btn-secondary {
  background: var(--surface-solid);
  border: 1px solid var(--border);
  color: var(--text);
}

.btn-action {
  cursor: pointer;
}

.profile-ring {
  display: grid;
  place-items: center;
}

.profile-avatar {
  width: 8.5rem;
  height: 8.5rem;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, rgba(22, 61, 107, 0.98), rgba(63, 120, 180, 0.9));
  color: #fff;
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  box-shadow: inset 0 0 0 0.45rem rgba(255, 255, 255, 0.08), var(--shadow);
}

.profile-meta h2,
.section-heading h2,
.skill-card h3,
.project-card h3,
.timeline-card h3,
.experience-card h3,
.achievement-card h3,
.counter-card h3 {
  margin: 0;
  letter-spacing: -0.03em;
}

.profile-meta p,
.profile-meta span {
  display: block;
  margin-top: 0.3rem;
  color: var(--text-soft);
}

.profile-meta span {
  color: var(--accent);
  font-weight: 700;
}

.profile-stat-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.8rem;
}

.stat-card {
  padding: 1rem;
  border-radius: 1.2rem;
  background: var(--surface-alt);
  border: 1px solid var(--border);
}

.stat-card strong {
  display: block;
  font-size: 1.2rem;
}

.stat-card span {
  display: block;
  margin-top: 0.25rem;
  color: var(--text-soft);
  font-size: 0.92rem;
}

.stat-card.wide {
  grid-column: 1 / -1;
}

.contact-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.9rem;
  padding: 1rem;
  border-radius: 1.5rem;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 1rem;
  border-radius: 1.1rem;
  background: var(--surface-solid);
  border: 1px solid var(--border);
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.contact-item:hover {
  transform: translateY(-2px);
  border-color: rgba(63, 120, 180, 0.3);
  box-shadow: var(--shadow-soft);
}

.contact-item i {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 0.8rem;
  display: grid;
  place-items: center;
  color: #fff;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  flex: 0 0 auto;
}

.contact-item span {
  display: block;
  color: var(--text-soft);
  font-size: 0.84rem;
}

.contact-item strong {
  display: block;
  margin-top: 0.15rem;
  font-size: 0.93rem;
}

.grid-two {
  display: grid;
  grid-template-columns: 0.45fr 1fr;
  gap: 1.25rem;
  align-items: start;
}

.section-heading {
  padding: 0.25rem 0.2rem;
}

.section-heading h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
}

.card,
.timeline-card,
.skill-card,
.project-card,
.experience-card,
.achievement-card,
.counter-card {
  border-radius: 1.5rem;
  padding: 1.4rem;
}

.timeline-grid,
.skills-grid,
.project-grid,
.achievement-grid {
  display: grid;
  gap: 1rem;
}

.timeline-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.skills-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.project-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.achievement-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.timeline-card,
.skill-card,
.project-card,
.experience-card,
.achievement-card,
.counter-card {
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.timeline-card:hover,
.skill-card:hover,
.project-card:hover,
.experience-card:hover,
.achievement-card:hover,
.counter-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: rgba(63, 120, 180, 0.24);
}

.timeline-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.75rem;
}

.timeline-header span {
  padding: 0.42rem 0.75rem;
  border-radius: 999px;
  background: rgba(63, 120, 180, 0.1);
  color: var(--accent);
  font-weight: 700;
  white-space: nowrap;
}

.skill-card h3,
.project-card h3,
.experience-card h3,
.achievement-card h3,
.counter-card h3 {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 1.05rem;
}

.skill-card h3 i,
.project-icon,
.project-card h3 i {
  color: var(--accent);
}

.badge-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  min-height: 2.2rem;
  padding: 0.45rem 0.8rem;
  border-radius: 999px;
  background: var(--surface-solid);
  border: 1px solid var(--border);
  color: var(--text);
  font-weight: 600;
}

.project-card {
  position: relative;
  overflow: hidden;
}

.project-card::after {
  content: "";
  position: absolute;
  inset: auto -30% -40% auto;
  width: 9rem;
  height: 9rem;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(63, 120, 180, 0.12), transparent 70%);
  pointer-events: none;
}

.project-icon {
  width: 3rem;
  height: 3rem;
  border-radius: 1rem;
  display: grid;
  place-items: center;
  background: rgba(63, 120, 180, 0.12);
  margin-bottom: 1rem;
}

.project-tag {
  display: inline-flex;
  margin-top: 0.2rem;
  padding: 0.4rem 0.75rem;
  border-radius: 999px;
  background: rgba(22, 61, 107, 0.08);
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 700;
}

.counter-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  background: linear-gradient(135deg, rgba(22, 61, 107, 0.12), rgba(63, 120, 180, 0.07));
}

.counter-value {
  min-width: 7.75rem;
  height: 7.75rem;
  display: grid;
  place-items: center;
  border-radius: 1.8rem;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  box-shadow: var(--shadow);
}

.footer {
  width: min(1220px, calc(100% - 2rem));
  margin: 0 auto 2rem;
  padding: 1.1rem 1rem 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  color: var(--text-soft);
}

.footer a {
  color: var(--accent);
  font-weight: 700;
}

.back-to-top {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  width: 3.15rem;
  height: 3.15rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface-solid);
  color: var(--accent);
  box-shadow: var(--shadow);
  display: grid;
  place-items: center;
  cursor: pointer;
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease, background-color 0.25s ease, color 0.25s ease;
  z-index: 1200;
}

.back-to-top.is-visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.back-to-top:hover {
  background: var(--accent);
  color: #fff;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.no-js .reveal {
  opacity: 1;
  transform: none;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}

@media print {
  @page {
    margin: 0.4in;
  }

  body {
    background: #fff !important;
    color: #000 !important;
  }

  body::before,
  .bg-orb,
  .topbar,
  .back-to-top,
  .footer a,
  .btn,
  .contact-item,
  .project-card::after {
    display: none !important;
  }

  main {
    width: 100% !important;
    padding: 0 !important;
  }

  .section {
    margin-top: 0.7rem !important;
    break-inside: avoid;
  }

  .hero,
  .grid-two,
  .contact-strip,
  .timeline-grid,
  .skills-grid,
  .project-grid,
  .achievement-grid {
    grid-template-columns: 1fr !important;
  }

  .hero-copy,
  .profile-card,
  .card,
  .timeline-card,
  .skill-card,
  .project-card,
  .experience-card,
  .achievement-card,
  .counter-card,
  .contact-strip {
    box-shadow: none !important;
    background: #fff !important;
    border-color: #d7dce3 !important;
  }

  .reveal {
    opacity: 1 !important;
    transform: none !important;
  }

  .hero-copy h1 {
    font-size: 2.4rem !important;
  }
}

@media (max-width: 1080px) {
  .topbar {
    gap: 0.75rem;
  }

  .brand-mark {
    width: 2.45rem;
    height: 2.45rem;
    border-radius: 0.8rem;
    font-size: 0.92rem;
  }

  .brand-text small {
    display: none;
  }

  .brand-text strong {
    font-size: 0.94rem;
  }

  .nav a,
  .theme-toggle {
    padding: 0.65rem 0.8rem;
  }

  .hero,
  .grid-two,
  .contact-strip,
  .timeline-grid,
  .skills-grid,
  .project-grid,
  .achievement-grid {
    grid-template-columns: 1fr 1fr;
  }

  .grid-two,
  .hero {
    grid-template-columns: 1fr;
  }

  .contact-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .achievement-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .topbar {
    flex-wrap: nowrap;
    align-items: flex-start;
  }

  .nav-toggle {
    display: inline-grid;
    place-items: center;
    margin-left: auto;
    flex: 0 0 auto;
    align-self: flex-start;
  }

  .nav {
    position: fixed;
    top: 0;
    right: 0;
    width: min(84vw, 20rem);
    height: 100vh;
    padding: 5.5rem 1rem 1rem;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0.5rem;
    background: var(--surface-solid);
    border-left: 1px solid var(--border);
    box-shadow: -18px 0 40px rgba(16, 33, 54, 0.16);
    transform: translateX(100%);
    transition: transform 0.28s ease;
    z-index: 1150;
  }

  .topbar.is-open .nav {
    transform: translateX(0);
  }

  .nav a,
  .theme-toggle {
    justify-content: flex-start;
    width: 100%;
    border-radius: 1rem;
    padding: 0.9rem 1rem;
    background: var(--surface-alt);
  }

  .nav-overlay {
    position: fixed;
    inset: 0;
    background: rgba(8, 15, 26, 0.38);
    backdrop-filter: blur(2px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.28s ease;
    z-index: 1100;
  }

  .topbar.is-open ~ .nav-overlay {
    opacity: 1;
    pointer-events: auto;
  }

  .hero-copy,
  .profile-card,
  .card,
  .timeline-card,
  .skill-card,
  .project-card,
  .experience-card,
  .achievement-card,
  .counter-card,
  .contact-strip {
    border-radius: 1.35rem;
  }

  .contact-strip,
  .timeline-grid,
  .skills-grid,
  .project-grid,
  .achievement-grid,
  .footer {
    grid-template-columns: 1fr;
  }

  .timeline-header,
  .counter-card,
  .footer,
  .contact-item {
    flex-direction: column;
    align-items: flex-start;
  }

  .counter-value {
    width: 100%;
    min-width: 0;
    height: 5.5rem;
    border-radius: 1.2rem;
  }

  .topbar.is-open {
    z-index: 1200;
  }

  .footer {
    display: grid;
    gap: 0.75rem;
  }
}