:root {
  --bg: #05070d;
  --text: #eef3ff;
  --muted: #a9b5d4;
  --accent: #3fa8ff;
  --accent-2: #00d2c6;
  --accent-3: #a78bfa;
  --accent-4: #f97316;
  --card: rgba(10, 18, 34, 0.78);
  --glow: 0 0 140px rgba(63, 168, 255, 0.22);
  --border: rgba(255, 255, 255, 0.08);
  --radius: 20px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  color: var(--text);
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  scroll-behavior: smooth;
}

html {
  background: var(--bg);
}

body {
  min-height: 100vh;
  overflow-x: hidden;
  background: radial-gradient(circle at 10% 20%, #112040 0%, transparent 40%),
    radial-gradient(circle at 80% 0%, #0f3f66 0%, transparent 34%),
    var(--bg);
}

::selection {
  background: rgba(63, 168, 255, 0.35);
  color: #fff;
}

.noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.08;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
  background-size: 256px 256px;
  z-index: -3;
}

.mesh-wrap {
  position: fixed;
  inset: 0;
  overflow: hidden;
  clip-path: inset(0);
  pointer-events: none;
  z-index: -2;
}

.mesh {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
  animation: float 20s ease-in-out infinite;
}

.mesh-a {
  width: 500px;
  height: 500px;
  top: -140px;
  left: -130px;
  background: rgba(63, 168, 255, 0.3);
}

.mesh-b {
  width: 450px;
  height: 450px;
  right: -160px;
  bottom: -180px;
  background: rgba(0, 210, 198, 0.25);
  animation-delay: -7s;
}

.mesh-c {
  width: 350px;
  height: 350px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: rgba(167, 139, 250, 0.12);
  animation-delay: -14s;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -20px) scale(1.05); }
  66% { transform: translate(-20px, 15px) scale(0.95); }
}

.top-nav {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 0.95rem clamp(1rem, 3vw, 2rem);
  border-bottom: 1px solid var(--border);
  background: rgba(5, 7, 13, 0.82);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.brand {
  text-decoration: none;
  color: var(--text);
  font-family: "Bricolage Grotesque", sans-serif;
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  transition: opacity 180ms ease;
}

.brand:hover {
  opacity: 0.85;
}

.brand span {
  color: var(--accent-2);
}

.top-nav nav {
  display: flex;
  gap: 1.4rem;
}

.top-nav-controls {
  display: flex;
  align-items: center;
  gap: 0.7rem;
}

.top-nav nav a,
.nav-cta {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.94rem;
  font-weight: 500;
  transition: color 180ms ease;
  position: relative;
}

.top-nav nav a::after {
  content: "";
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
  transition: width 200ms ease;
}

.top-nav nav a:hover::after {
  width: 100%;
}

.lang-toggle {
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 999px;
  padding: 0.42rem 0.7rem;
  font: inherit;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: border-color 180ms ease, transform 180ms ease, background 180ms ease;
}

.lang-toggle:hover {
  border-color: rgba(0, 210, 198, 0.55);
  background: rgba(0, 210, 198, 0.08);
  transform: translateY(-1px);
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}

.menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 200ms ease, opacity 200ms ease;
}

.menu-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.menu-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--accent-2);
  outline-offset: 3px;
}

.top-nav nav a:hover,
.nav-cta:hover {
  color: var(--text);
}

.nav-cta {
  border: 1px solid rgba(63, 168, 255, 0.35);
  border-radius: 999px;
  padding: 0.45rem 0.9rem;
  transition: border-color 180ms ease, background 180ms ease, color 180ms ease;
}

.nav-cta:hover {
  border-color: var(--accent);
  background: rgba(63, 168, 255, 0.1);
}

main {
  width: min(1180px, 92vw);
  margin: 0 auto;
  padding-bottom: 5rem;
}

section {
  margin-top: 7rem;
}

.hero {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3rem;
  align-items: center;
  margin-top: 5rem;
}

.kicker {
  margin: 0 0 0.85rem;
  color: var(--accent-2);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.74rem;
  font-weight: 600;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: "Bricolage Grotesque", sans-serif;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  line-height: 1.05;
}

h1 span {
  color: var(--accent);
  text-shadow: 0 0 28px rgba(63, 168, 255, 0.4);
}

.hero-sub {
  max-width: 58ch;
  color: var(--muted);
  line-height: 1.75;
  margin-top: 1.3rem;
  font-size: 1.02rem;
}

.hero-actions {
  display: flex;
  gap: 0.85rem;
  margin-top: 1.6rem;
  flex-wrap: wrap;
}

.btn {
  text-decoration: none;
  border-radius: 999px;
  padding: 0.75rem 1.25rem;
  font-weight: 600;
  font-size: 0.93rem;
  transition: transform 200ms ease, border-color 200ms ease, box-shadow 200ms ease;
}

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

.btn:active {
  transform: translateY(0);
}

.btn.solid {
  color: #03152f;
  background: linear-gradient(135deg, var(--accent), #8dd0ff);
  box-shadow: 0 12px 35px rgba(63, 168, 255, 0.2);
}

.btn.solid:hover {
  box-shadow: 0 16px 45px rgba(63, 168, 255, 0.32);
}

.btn.solid.alt {
  background: linear-gradient(135deg, #23d3c7, #9af5e5);
  box-shadow: 0 12px 35px rgba(0, 210, 198, 0.18);
}

.btn.solid.alt:hover {
  box-shadow: 0 16px 45px rgba(0, 210, 198, 0.28);
}

.btn.ghost {
  color: var(--text);
  border: 1px solid rgba(255, 255, 255, 0.16);
}

.btn.ghost:hover {
  border-color: rgba(63, 168, 255, 0.48);
  box-shadow: 0 0 40px rgba(63, 168, 255, 0.12);
}

.trust-strip {
  margin: 1.6rem 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.trust-strip li {
  font-size: 0.74rem;
  font-weight: 500;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 999px;
  padding: 0.45rem 0.8rem;
  color: #cad7f2;
  background: rgba(12, 21, 42, 0.6);
  transition: border-color 200ms ease;
}

.trust-strip li:hover {
  border-color: rgba(63, 168, 255, 0.3);
}

.hero-card {
  background: var(--card);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  backdrop-filter: blur(10px);
  padding: 1.5rem;
  box-shadow: var(--glow);
  position: relative;
  overflow: hidden;
}

.hero-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
}

.hero-card h2 {
  font-size: 1.3rem;
}

.hero-card > p {
  color: var(--muted);
  line-height: 1.6;
  margin-top: 0.5rem;
}

.stat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-top: 1rem;
}

.stat-grid article {
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.02);
  padding: 0.75rem;
  transition: border-color 200ms ease, background 200ms ease;
}

.stat-grid article:hover {
  border-color: rgba(63, 168, 255, 0.2);
  background: rgba(63, 168, 255, 0.03);
}

.stat-grid h3 {
  margin: 0;
  font-size: 1rem;
  color: var(--accent-2);
}

.stat-grid p {
  margin: 0.3rem 0 0;
  font-size: 0.8rem;
  color: var(--muted);
}

.tilt {
  transition: transform 180ms ease;
  transform-style: preserve-3d;
  will-change: transform;
}

.about {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.about-intro {
  position: sticky;
  top: 6rem;
}

.about h2 {
  font-size: clamp(1.6rem, 3vw, 2.6rem);
  margin-top: 0.3rem;
}

.about-headline {
  color: var(--accent);
  font-weight: 600;
  font-size: 1.08rem;
  margin-top: 0.4rem;
}

.about-body {
  color: var(--muted);
  line-height: 1.8;
  margin-top: 1rem;
}

.about-details {
  margin: 1.2rem 0 0;
  padding-left: 0;
  list-style: none;
  color: #d7e2f8;
  line-height: 2;
}

.about-details li {
  padding-left: 1rem;
  position: relative;
}

.about-details li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.75em;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--accent-2);
}

.about-details a {
  color: var(--accent);
  text-decoration: none;
  transition: color 150ms ease;
}

.about-details a:hover {
  color: #bfe8ff;
  text-decoration: underline;
}

.about-highlights {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.highlight-card {
  background: linear-gradient(145deg, rgba(8, 20, 38, 0.9), rgba(12, 28, 49, 0.7));
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  padding: 1.4rem;
  position: relative;
  overflow: hidden;
}

.highlight-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--accent-2), var(--accent));
}

.highlight-card h3 {
  font-size: 1.15rem;
  margin-bottom: 0.6rem;
}

.highlight-card ul {
  margin: 0;
  padding-left: 1.1rem;
  color: #d7e2f8;
  line-height: 1.8;
  font-size: 0.94rem;
}

.highlight-card li {
  margin-bottom: 0.3rem;
}

.competence-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.competence-tags span {
  border-radius: 999px;
  border: 1px solid rgba(0, 210, 198, 0.3);
  background: rgba(0, 210, 198, 0.06);
  padding: 0.48rem 0.8rem;
  font-size: 0.78rem;
  font-weight: 500;
  color: #d6fff8;
  transition: border-color 200ms ease, background 200ms ease;
}

.competence-tags span:hover {
  border-color: rgba(0, 210, 198, 0.55);
  background: rgba(0, 210, 198, 0.12);
}

.section-head {
  display: grid;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.section-head h2 {
  font-size: clamp(1.5rem, 3vw, 2.5rem);
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.2rem;
}

.project {
  background: var(--card);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
  backdrop-filter: blur(8px);
  padding: 1.4rem;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  transition: border-color 250ms ease, box-shadow 250ms ease;
}

.project:hover {
  border-color: rgba(63, 168, 255, 0.25);
  box-shadow: 0 8px 50px rgba(63, 168, 255, 0.1);
}

.project::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0;
  transition: opacity 300ms ease;
}

.project:hover::after {
  opacity: 1;
}

.badge {
  width: fit-content;
  margin: 0;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  border: 1px solid rgba(0, 210, 198, 0.35);
  color: var(--accent-2);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
}

.project h3 {
  margin-top: 0.85rem;
  font-size: 1.25rem;
}

.project-desc {
  color: var(--muted);
  line-height: 1.65;
  margin-top: 0.5rem;
}

.project ul {
  margin: 0.5rem 0 0;
  padding-left: 1.1rem;
  color: #d7e2f8;
  font-size: 0.92rem;
  line-height: 1.7;
}

.project li {
  margin-bottom: 0.2rem;
}

.tags {
  display: flex;
  gap: 0.45rem;
  flex-wrap: wrap;
  margin-top: auto;
  padding-top: 1rem;
}

.tags span {
  font-size: 0.72rem;
  font-weight: 500;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 0.35rem 0.65rem;
  color: #c6d2ec;
  transition: border-color 200ms ease;
}

.tags span:hover {
  border-color: rgba(63, 168, 255, 0.3);
}

.also-built {
  margin-top: 2.5rem;
  text-align: center;
}

.also-built .kicker {
  margin-bottom: 1rem;
}

.also-built-items {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.6rem;
}

.also-built-items span {
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 999px;
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
  color: var(--muted);
  background: rgba(10, 18, 34, 0.5);
  transition: border-color 200ms ease, color 200ms ease;
}

.also-built-items span:hover {
  border-color: rgba(0, 210, 198, 0.35);
  color: var(--text);
}

.strengths-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.2rem;
}

.strength-card {
  background: var(--card);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
  backdrop-filter: blur(8px);
  padding: 1.4rem;
  transition: border-color 250ms ease, transform 250ms ease;
}

.strength-card:hover {
  border-color: rgba(63, 168, 255, 0.2);
  transform: translateY(-3px);
}

.strength-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: rgba(63, 168, 255, 0.1);
  border: 1px solid rgba(63, 168, 255, 0.2);
  margin-bottom: 1rem;
}

.strength-icon svg {
  width: 20px;
  height: 20px;
  color: var(--accent);
}

.strength-card h3 {
  font-size: 1.08rem;
  margin-bottom: 0.5rem;
}

.strength-card p {
  color: var(--muted);
  line-height: 1.65;
  font-size: 0.94rem;
  margin: 0;
}

.stack-layout {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.2rem;
}

.stack-card {
  background: var(--card);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
  backdrop-filter: blur(8px);
  padding: 1.4rem;
  position: relative;
  overflow: hidden;
  transition: border-color 250ms ease;
}

.stack-card:hover {
  border-color: rgba(63, 168, 255, 0.2);
}

.stack-card-accent {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), transparent);
}

.stack-card-accent.accent-2 {
  background: linear-gradient(90deg, var(--accent-2), transparent);
}

.stack-card-accent.accent-3 {
  background: linear-gradient(90deg, var(--accent-3), transparent);
}

.stack-card-accent.accent-4 {
  background: linear-gradient(90deg, var(--accent-4), transparent);
}

.stack-card h3 {
  font-size: 1.1rem;
}

.stack-card p {
  margin: 0.65rem 0 0;
  color: var(--muted);
  line-height: 1.65;
  font-size: 0.94rem;
}

.stack-tags {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
  margin-top: 0.8rem;
}

.stack-tags span {
  font-size: 0.7rem;
  font-weight: 600;
  border-radius: 999px;
  padding: 0.3rem 0.6rem;
  color: rgba(255, 255, 255, 0.5);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.contact {
  border-radius: 24px;
  border: 1px solid rgba(63, 168, 255, 0.25);
  padding: 0;
  background: linear-gradient(145deg, rgba(16, 28, 51, 0.85), rgba(8, 15, 31, 0.75));
  box-shadow: var(--glow);
  position: relative;
  overflow: hidden;
}

.contact::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2), var(--accent));
}

.contact-inner {
  padding: 3rem 2rem;
  text-align: center;
}

.contact h2 {
  font-size: clamp(1.5rem, 3vw, 2.35rem);
}

.contact p {
  color: var(--muted);
  margin-top: 0.6rem;
  font-size: 1.05rem;
}

.contact .hero-actions {
  justify-content: center;
  margin-top: 1.8rem;
}

footer {
  width: min(1180px, 92vw);
  margin: auto;
  color: #6b7fa0;
  font-size: 0.85rem;
  text-align: center;
}

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 700ms cubic-bezier(0.16, 1, 0.3, 1), transform 700ms cubic-bezier(0.16, 1, 0.3, 1);
}

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

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

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

  .tilt,
  .btn,
  .strength-card,
  .project,
  .mesh {
    transition: none;
    animation: none;
  }
}

@media (max-width: 1080px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .about {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .about-intro {
    position: static;
  }

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

@media (max-width: 780px) {
  .top-nav nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: #05070d;
    border-bottom: 1px solid var(--border);
    padding: 1.2rem 1.5rem;
    gap: 0.8rem;
    z-index: 30;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.6);
  }

  .top-nav nav.open {
    display: flex;
  }

  .top-nav nav a::after {
    display: none;
  }

  .nav-cta {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  .top-nav-controls {
    gap: 0.5rem;
  }

  section {
    margin-top: 4.5rem;
  }

  .project-grid,
  .stack-layout,
  .strengths-grid,
  .stat-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    margin-top: 3rem;
  }

  .contact-inner {
    padding: 2rem 1.2rem;
  }
}

@media (max-width: 480px) {
  main {
    width: 94vw;
  }

  h1 {
    font-size: 1.8rem;
  }

  .trust-strip {
    gap: 0.4rem;
  }

  .trust-strip li {
    font-size: 0.68rem;
    padding: 0.35rem 0.6rem;
  }

  .also-built-items {
    flex-direction: column;
    align-items: center;
  }
}