@import url('https://fonts.googleapis.com/css2?family=Sora:wght@400;600;700;800&family=Space+Grotesk:wght@400;500;700&display=swap');

:root {
  --bg: #08111f;
  --bg-soft: #0f1d35;
  --surface: rgba(15, 29, 53, 0.74);
  --surface-strong: rgba(9, 20, 39, 0.9);
  --text: #eaf2ff;
  --muted: #a4b4d0;
  --line: rgba(144, 173, 220, 0.24);
  --accent: #38d6b4;
  --accent-2: #ffbe55;
  --danger: #ff6b6b;
  --shadow: 0 16px 50px rgba(0, 0, 0, 0.35);
  --radius-l: 22px;
  --radius-m: 14px;
  --radius-s: 10px;
  --max: 1120px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

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

body {
  font-family: 'Space Grotesk', 'Segoe UI', sans-serif;
  color: var(--text);
  background: radial-gradient(circle at 15% -10%, #1f3d66 0%, transparent 36%),
    radial-gradient(circle at 85% -20%, #20635f 0%, transparent 40%),
    linear-gradient(180deg, #071020 0%, #091528 45%, #060d1a 100%);
  min-height: 100vh;
  line-height: 1.65;
}

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

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

.site-wrap {
  position: relative;
  overflow: clip;
}

.orb {
  position: fixed;
  border-radius: 999px;
  filter: blur(26px);
  opacity: 0.26;
  pointer-events: none;
  z-index: 0;
}

.orb.one {
  width: 290px;
  height: 290px;
  background: #2a9d8f;
  top: 65px;
  left: -80px;
}

.orb.two {
  width: 260px;
  height: 260px;
  background: #f4a261;
  right: -90px;
  top: 30vh;
}

.orb.three {
  width: 260px;
  height: 260px;
  background: #2874a6;
  bottom: -100px;
  left: 25%;
}

.container {
  width: min(var(--max), calc(100% - 2.4rem));
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(150, 183, 236, 0.16);
  background: rgba(7, 16, 32, 0.78);
  backdrop-filter: blur(12px);
}

.topbar-row {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  font-family: 'Sora', sans-serif;
  font-weight: 800;
  letter-spacing: 0.02em;
  font-size: 1.06rem;
}

.topnav {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.topnav .spacer {
  width: 0.35rem;
}

.topnav a {
  color: var(--muted);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.5rem 0.85rem;
  border-radius: 999px;
}

.topnav a:hover,
.topnav a.active {
  color: var(--text);
  background: rgba(255, 255, 255, 0.08);
}

.lang-switch {
  display: inline-flex;
  border: 1px solid var(--line);
  border-radius: 999px;
  overflow: hidden;
}

.lang-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--muted);
  padding: 0.28rem 0.55rem;
  font-size: 0.78rem;
  font-weight: 700;
  cursor: pointer;
}

.lang-toggle .toggle-track {
  width: 2rem;
  height: 1.06rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.14);
  position: relative;
}

.lang-toggle .toggle-knob {
  width: 0.82rem;
  height: 0.82rem;
  border-radius: 50%;
  background: linear-gradient(140deg, var(--accent), #86f9e0);
  position: absolute;
  left: 0.12rem;
  top: 0.12rem;
  transition: transform 0.2s ease;
}

.lang-toggle.is-en .toggle-knob {
  transform: translateX(0.94rem);
}

.lang-toggle .label {
  color: var(--muted);
}

.lang-toggle .label.active {
  color: var(--text);
}

.lang-switch a {
  padding: 0.42rem 0.7rem;
  font-size: 0.82rem;
  color: var(--muted);
  border-right: 1px solid var(--line);
}

.lang-switch a:last-child {
  border-right: 0;
}

.lang-switch a.active {
  background: rgba(56, 214, 180, 0.22);
  color: var(--text);
}

.mobile-toggle {
  display: none;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--text);
  padding: 0.45rem 0.65rem;
  border-radius: var(--radius-s);
  font-weight: 700;
}

#projects,
#competences,
#skills,
#contact {
  scroll-margin-top: 6.5rem;
}

main {
  padding: 2.8rem 0 0;
}

.hero {
  display: grid;
  grid-template-columns: 1.12fr 0.88fr;
  gap: 2rem;
  align-items: stretch;
}

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

.panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  box-shadow: var(--shadow);
}

.hero-text {
  padding: 2.2rem;
}

.hero.hero-single .hero-text {
  padding: 2.6rem;
}

.hero-name {
  font-family: 'Sora', sans-serif;
  font-size: clamp(2.2rem, 7vw, 5.2rem);
  letter-spacing: 0.03em;
  font-weight: 800;
  line-height: 0.98;
  margin-bottom: 1.1rem;
  color: #f4f8ff;
  text-transform: uppercase;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.83rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.9rem;
}

.eyebrow::before {
  content: '';
  width: 22px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

h1,
h2,
h3,
h4 {
  font-family: 'Sora', sans-serif;
  margin: 0;
  line-height: 1.2;
}

h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  margin-bottom: 1rem;
}

h2 {
  font-size: clamp(1.55rem, 3.2vw, 2.2rem);
}

p {
  margin: 0;
}

.lead {
  font-size: 1.03rem;
  color: var(--muted);
  max-width: 62ch;
}

.cta-row {
  margin-top: 1.6rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.66rem 1rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  font-size: 0.94rem;
}

.button.primary {
  background: linear-gradient(135deg, var(--accent), #42d5ff);
  color: #06222b;
}

.button.secondary {
  border-color: var(--line);
  color: var(--text);
}

.hero-aside {
  padding: 1.4rem;
  display: grid;
  gap: 0.9rem;
}

.metric {
  background: var(--surface-strong);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  padding: 1rem;
}

.metric .num {
  display: block;
  font-family: 'Sora', sans-serif;
  font-size: 1.5rem;
}

.metric small {
  color: var(--muted);
}

.section {
  margin-top: 3.6rem;
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 1rem;
  margin-bottom: 1.2rem;
}

.section-head p {
  color: var(--muted);
  max-width: 68ch;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 1rem;
}

.project-card {
  grid-column: span 4;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  overflow: hidden;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  transform: translateY(0);
  transition: transform 0.25s ease, border-color 0.25s ease;
}

.project-card:hover {
  transform: translateY(-5px);
  border-color: rgba(56, 214, 180, 0.45);
}

.project-card img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  object-position: top center;
}

.card-body {
  padding: 1rem;
  display: grid;
  gap: 0.7rem;
  flex: 1;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.74rem;
  padding: 0.2rem 0.5rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--muted);
  line-height: 1;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.8rem;
}

.skill-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  padding: 1rem;
}

.skill-card h3 {
  font-size: 1rem;
  margin-bottom: 0.45rem;
}

.skill-card p {
  color: var(--muted);
  font-size: 0.93rem;
}

.kword {
  color: #d2fff4;
  font-weight: 700;
  background: rgba(56, 214, 180, 0.16);
  border: 1px solid rgba(56, 214, 180, 0.42);
  border-radius: 0.5rem;
  padding: 0.05rem 0.36rem;
  white-space: nowrap;
}

.contact-box {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 1rem;
}

.link-list {
  display: grid;
  gap: 0.7rem;
}

.contact-link {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  padding: 0.9rem 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.contact-link strong {
  font-family: 'Sora', sans-serif;
}

.contact-link span {
  color: var(--muted);
  font-size: 0.92rem;
}

.note {
  background: linear-gradient(150deg, rgba(56, 214, 180, 0.16), rgba(255, 190, 85, 0.13));
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-l);
  padding: 1.2rem;
}

.foot {
  margin-top: 3rem;
  color: var(--muted);
  font-size: 0.88rem;
}

.site-footer {
  margin-top: 3rem;
  width: 100vw;
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);
  border-top: 1px solid var(--line);
  background: rgba(7, 16, 32, 0.88);
  backdrop-filter: blur(10px);
  padding: 1.5rem 0;
}

.site-footer .footer-inner {
  width: min(var(--max), calc(100% - 2.4rem));
  margin: 0 auto;
}

.site-footer .footer-head {
  display: grid;
  gap: 0.45rem;
  margin-bottom: 1.1rem;
}

.site-footer .footer-head strong {
  font-family: 'Sora', sans-serif;
  font-size: 1.1rem;
}

.site-footer .footer-head p {
  color: var(--muted);
  max-width: 64ch;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.8rem;
}

.footer-block {
  padding: 0.3rem 0;
}

.footer-block h4 {
  font-size: 0.92rem;
  margin-bottom: 0.55rem;
}

.footer-links {
  display: grid;
  gap: 0.42rem;
}

.footer-links a {
  color: var(--muted);
  font-size: 0.9rem;
}

.footer-links a:hover {
  color: var(--text);
}

.footer-bottom {
  margin-top: 1rem;
  border-top: 1px solid var(--line);
  padding-top: 0.85rem;
  color: var(--muted);
  font-size: 0.83rem;
  display: flex;
  justify-content: space-between;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.page-hero {
  margin-bottom: 1.3rem;
}

.page-hero .panel {
  padding: 1.6rem;
}

.timeline {
  display: grid;
  gap: 0.9rem;
}

.timeline-item {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  padding: 1rem;
}

.timeline-item h4 {
  margin-bottom: 0.35rem;
  font-size: 1rem;
}

.timeline-item p {
  color: var(--muted);
  font-size: 0.94rem;
}

.project-layout {
  display: grid;
  grid-template-columns: 1.35fr 0.65fr;
  gap: 1rem;
}

.content-panel,
.side-panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  padding: 1.4rem;
}

.content-panel {
  display: grid;
  gap: 1.4rem;
}

.content-block {
  display: grid;
  gap: 0.65rem;
}

.content-block p,
.content-block li {
  color: var(--muted);
}

.content-block ul {
  margin: 0;
  padding-left: 1.1rem;
}

.project-hero-image {
  border-radius: var(--radius-m);
  border: 1px solid var(--line);
  overflow: hidden;
}

.gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.7rem;
  align-items: stretch;
}

.gallery figure {
  margin: 0;
  background: rgba(6, 14, 29, 0.78);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.gallery img {
  width: 100%;
  height: 220px;
  flex: 0 0 auto;
  object-fit: contain;
  object-position: center;
  background: rgba(2, 8, 18, 0.7);
  cursor: zoom-in;
}

.gallery figcaption {
  margin-top: auto;
  padding: 0.55rem 0.65rem;
  color: var(--muted);
  font-size: 0.85rem;
}

.side-list {
  display: grid;
  gap: 0.8rem;
}

.pill-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  padding-top: 0.55rem;
}

.pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  padding: 0.24rem 0.55rem;
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1;
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: transform 0.5s ease, opacity 0.5s ease;
}

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

.lightbox {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 1.25rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
  z-index: 50;
}

.lightbox.is-open {
  opacity: 1;
  pointer-events: auto;
}

.lightbox-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(2, 8, 18, 0.86);
  backdrop-filter: blur(12px);
}

.lightbox-panel {
  position: relative;
  z-index: 1;
  width: min(1100px, calc(100vw - 2rem));
  max-height: calc(100vh - 2rem);
  margin: 0;
  background: rgba(8, 16, 32, 0.96);
  border: 1px solid rgba(144, 173, 220, 0.24);
  border-radius: var(--radius-l);
  box-shadow: var(--shadow);
  overflow: hidden;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
}

.lightbox-image {
  width: 100%;
  height: min(74vh, 860px);
  object-fit: contain;
  object-position: center;
  background: #020812;
}

.lightbox-caption {
  padding: 0.85rem 1rem 1rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.lightbox-close {
  justify-self: end;
  margin: 0.75rem 0.75rem 0 0;
  width: 2.2rem;
  height: 2.2rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  font-size: 1.45rem;
  line-height: 1;
  cursor: pointer;
  z-index: 2;
}

body.lightbox-open {
  overflow: hidden;
}

/* Carousel styles */
.carousel-container {
  display: grid;
  gap: 1rem;
}

.carousel-categories {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  align-items: center;
}

.category-btn {
  padding: 0.5rem 1rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  color: var(--muted);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.3s ease;
}

.category-btn:hover {
  border-color: var(--accent);
  color: var(--text);
}

.category-btn.active {
  background: linear-gradient(135deg, var(--accent), #42d5ff);
  border-color: var(--accent);
  color: #06222b;
  animation: popIn 0.3s ease-out;
}

@keyframes popIn {
  0% {
    transform: scale(0.9);
    opacity: 0.8;
  }
  50% {
    transform: scale(1.05);
  }
  100% {
    transform: scale(1);
    opacity: 1;
  }
}

.carousel-wrapper {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  background: var(--surface);
  box-shadow: var(--shadow);
  min-height: 420px;
  touch-action: pan-y;
}

.carousel-wrapper.is-transitioning {
  opacity: 0.6;
  pointer-events: none;
}

.carousel-track {
  position: absolute;
  inset: 0;
  display: flex;
  z-index: 1;
  gap: 1rem;
  align-items: flex-start;
  overflow-y: hidden;
  padding: 1rem;
  scroll-behavior: smooth;
  /* animated transform */
  transition: transform 360ms cubic-bezier(.22,.8,.36,1), opacity 240ms ease;
  will-change: transform, opacity;
  user-select: none;
  cursor: grab;
  touch-action: pan-y;
}

.carousel-track.grabbing {
  cursor: grabbing !important;
}

body.carousel-dragging {
  cursor: grabbing !important;
}

.carousel-track::-webkit-scrollbar {
  height: 6px;
}

.carousel-track::-webkit-scrollbar-track {
  background: transparent;
}

.carousel-track::-webkit-scrollbar-thumb {
  background: rgba(56, 214, 180, 0.3);
  border-radius: 3px;
}

.carousel-track::-webkit-scrollbar-thumb:hover {
  background: rgba(56, 214, 180, 0.6);
}

.carousel-card {
  flex: 0 0 calc(33.333% - 0.67rem);
  min-height: 380px;
  background: var(--surface-strong);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transform: translateY(0);
  transition: transform 0.25s ease, border-color 0.25s ease;
  animation: slideInCard 0.4s ease-out;
  cursor: pointer;
  -webkit-user-drag: none;
  touch-action: pan-y;
}

.carousel-card:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

@keyframes slideInCard {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Slide enter/exit helpers for tracks */
.carousel-track.enter-from-right { transform: translateX(100%); }
.carousel-track.enter-from-left { transform: translateX(-100%); }
.carousel-track.to-center { transform: translateX(0%); }
.carousel-track.exit-to-left { transform: translateX(-100%); }
.carousel-track.exit-to-right { transform: translateX(100%); }

/* active category button pop */
.category-btn.active {
  background: linear-gradient(135deg, var(--accent), #42d5ff);
  border-color: var(--accent);
  color: #06222b;
  animation: popIn 0.28s ease-out;
}

@keyframes popIn {
  0% { transform: scale(0.92); opacity: 0.85; }
  60% { transform: scale(1.04); }
  100% { transform: scale(1); opacity: 1; }
}

.carousel-card:hover {
  transform: translateY(-5px);
  border-color: rgba(56, 214, 180, 0.45);
}

.carousel-card:hover .card-hint,
.carousel-card:focus-visible .card-hint {
  color: var(--text);
}

.card-hint {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding-top: 0.2rem;
  color: var(--muted);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.card-hint-icon {
  transition: transform 0.2s ease;
}

.carousel-card:hover .card-hint-icon,
.carousel-card:focus-visible .card-hint-icon {
  transform: translateX(3px);
}

.carousel-card img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  object-position: top center;
  -webkit-user-drag: none;
}

.carousel-card-body {
  padding: 0.9rem;
  display: grid;
  gap: 0.6rem;
  flex: 1;
}

.carousel-card-body h3 {
  font-size: 1.05rem;
  margin-bottom: 0.3rem;
}

.carousel-card-body .lead {
  font-size: 0.92rem;
  max-width: none;
}

@media (max-width: 1020px) {
  .carousel-card {
    flex: 0 0 calc(50% - 0.5rem);
  }
}

@media (max-width: 760px) {
  .carousel-card {
    flex: 0 0 100%;
  }

  .carousel-categories {
    overflow-x: auto;
    flex-wrap: nowrap;
    padding-bottom: 0.2rem;
    -webkit-overflow-scrolling: touch;
  }

  .category-btn {
    flex: 0 0 auto;
  }

  .carousel-categories::-webkit-scrollbar {
    height: 4px;
  }

  .hero-text {
    padding: 1.4rem;
  }

  .hero.hero-single .hero-text {
    padding: 1.4rem;
  }
}

@media (max-width: 1020px) {
  .hero,
  .contact-box,
  .project-layout {
    grid-template-columns: 1fr;
  }

  .project-card {
    grid-column: span 6;
  }

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

@media (max-width: 760px) {
  .mobile-toggle {
    display: inline-flex;
  }

  .topnav {
    position: absolute;
    top: 72px;
    left: 1rem;
    right: 1rem;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 0.8rem;
    border-radius: var(--radius-m);
    border: 1px solid var(--line);
    background: rgba(7, 16, 32, 0.95);
  }

  .topbar.open .topnav {
    display: flex;
  }

  .topnav a {
    border-radius: var(--radius-s);
  }

  .project-card {
    grid-column: span 12;
  }

  .skills-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .gallery {
    grid-template-columns: 1fr;
  }

  main {
    padding-top: 1.6rem;
  }
}