/* ============================================================
   BARTU — Swiss Portfolio | style.css
   Dark theme · Apple-inspired · Premium Swiss design
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Space+Grotesk:wght@300;400;500;600;700&display=swap');

/* ---- Design Tokens ---- */
:root {
  /* Dark Mode (default) */
  --bg:           #0a0a0f;
  --bg-2:         #0d0d14;
  --bg-card:      #111118;
  --bg-glass:     rgba(17, 17, 24, 0.8);
  --surface:      #16161f;
  --surface-2:    #1c1c27;
  --border:       rgba(255, 255, 255, 0.08);
  --border-light: rgba(255, 255, 255, 0.04);
  --text:         #f0f0f5;
  --text-muted:   #888899;
  --text-subtle:  #555566;
  --red:          #DC143C;
  --red-dim:      rgba(220, 20, 60, 0.15);
  --red-glow:     rgba(220, 20, 60, 0.3);
  --blue:         #6B7FD7;
  --blue-dim:     rgba(107, 127, 215, 0.12);
  --shadow:       rgba(0, 0, 0, 0.6);
  --shadow-card:  0 8px 40px rgba(0,0,0,0.4), 0 0 0 1px var(--border);

  /* Typography */
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-display: 'Space Grotesk', 'Inter', sans-serif;

  /* Spacing */
  --nav-h: 64px;

  /* Transitions */
  --ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --dur: 0.3s;
  --dur-slow: 0.6s;
}

[data-theme="light"] {
  --bg:           #f5f5f7;
  --bg-2:         #ffffff;
  --bg-card:      #ffffff;
  --bg-glass:     rgba(245, 245, 247, 0.85);
  --surface:      #f0f0f5;
  --surface-2:    #e8e8ef;
  --border:       rgba(0, 0, 0, 0.08);
  --border-light: rgba(0, 0, 0, 0.04);
  --text:         #1a1a2e;
  --text-muted:   #555566;
  --text-subtle:  #aaaabc;
  --red:          #CC0025;
  --red-dim:      rgba(204, 0, 37, 0.08);
  --red-glow:     rgba(204, 0, 37, 0.2);
  --blue:         #4a5dc0;
  --blue-dim:     rgba(74, 93, 192, 0.08);
  --shadow:       rgba(0, 0, 0, 0.12);
  --shadow-card:  0 8px 40px rgba(0,0,0,0.08), 0 0 0 1px var(--border);
}

/* ---- Reset & Base ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background var(--dur), color var(--dur);
}

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

/* ============================================================
   LOADING SCREEN
   ============================================================ */
#loader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: #0a0a0f;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  transition: opacity 0.6s var(--ease), visibility 0.6s;
}
#loader.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}
.loader__logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  animation: loaderFadeIn 0.5s var(--ease) forwards;
  opacity: 0;
}
.loader__monogram {
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 700;
  color: #f0f0f5;
  letter-spacing: -0.03em;
  line-height: 1;
}
.loader__ch {
  background: #DC143C;
  color: #fff;
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  padding: 0.2rem 0.4rem;
  border-radius: 4px;
  letter-spacing: 0.05em;
  align-self: flex-end;
  margin-bottom: 0.4rem;
}
.loader__bar-wrap {
  width: 200px;
  height: 2px;
  background: rgba(255,255,255,0.1);
  border-radius: 2px;
  overflow: hidden;
  animation: loaderFadeIn 0.5s 0.2s var(--ease) forwards;
  opacity: 0;
}
.loader__bar {
  height: 100%;
  background: #DC143C;
  border-radius: 2px;
  width: 0%;
  transition: width 1.2s var(--ease);
}
.loader__count {
  font-family: var(--font-display);
  font-size: 0.8rem;
  color: rgba(255,255,255,0.3);
  letter-spacing: 0.1em;
  font-weight: 500;
  animation: loaderFadeIn 0.5s 0.2s var(--ease) forwards;
  opacity: 0;
}

@keyframes loaderFadeIn {
  to { opacity: 1; }
}

/* ============================================================
   PARTICLES CANVAS
   ============================================================ */
#particles-canvas,
#cyber-node-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}
#cyber-node-canvas {
  /* It has its own logic, but shares the basic positioning */
}
#particles-canvas {
  opacity: 1;
  transition: opacity var(--dur-slow);
}
[data-theme="light"] #particles-canvas { opacity: 0.25; }

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-h);
  transition: background 0.4s var(--ease), box-shadow 0.4s var(--ease);
}
.navbar.scrolled {
  background: var(--bg-glass);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  box-shadow: 0 1px 0 var(--border);
}

/* Scroll progress bar */
.navbar__progress {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 2px;
  background: var(--red);
  width: 0%;
  transition: width 0.1s linear;
  box-shadow: 0 0 8px var(--red-glow);
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  gap: 2rem;
}

/* Logo */
.navbar__brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
  flex-shrink: 0;
}
.navbar__brand-name { color: var(--text); }
.navbar__brand-badge {
  background: var(--red);
  color: #fff;
  font-size: 0.6rem;
  font-weight: 700;
  padding: 0.15rem 0.35rem;
  border-radius: 3px;
  letter-spacing: 0.05em;
  line-height: 1.4;
  margin-bottom: 0.2rem;
  align-self: flex-end;
}

/* Nav links */
.navbar__links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}
.navbar__link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  padding: 0.4rem 0.75rem;
  border-radius: 8px;
  transition: color var(--dur), background var(--dur);
}
.navbar__link:hover {
  color: var(--text);
  background: var(--border-light);
}

/* Actions */
.navbar__actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Theme toggle */
.navbar__theme-toggle {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color var(--dur), background var(--dur), border-color var(--dur);
}
.navbar__theme-toggle:hover {
  color: var(--text);
  background: var(--surface);
}
.icon-sun, .icon-moon { display: none; }
[data-theme="dark"] .icon-moon { display: block; }
[data-theme="light"] .icon-sun { display: block; }

/* CTA button */
.navbar__cta {
  font-size: 0.825rem;
  font-weight: 600;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  background: var(--red);
  color: #fff;
  border: none;
  cursor: pointer;
  transition: opacity var(--dur), transform var(--dur);
}
.navbar__cta:hover { opacity: 0.85; transform: translateY(-1px); }

/* Hamburger */
.navbar__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.navbar__hamburger-line {
  width: 22px;
  height: 1.5px;
  background: var(--text);
  border-radius: 2px;
  transition: transform var(--dur), opacity var(--dur);
}

/* Mobile overlay */
.navbar__overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 99;
  background: var(--bg);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  opacity: 0;
  transition: opacity var(--dur);
}
.navbar__overlay.open {
  display: flex;
  opacity: 1;
}
.navbar__overlay-link {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: -0.03em;
  transition: color var(--dur);
}
.navbar__overlay-link:hover { color: var(--red); }

/* ============================================================
   SECTIONS COMMON
   ============================================================ */
section { position: relative; z-index: 1; }
.section-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 0.75rem;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--text);
  margin-bottom: 1.25rem;
}
.section-desc {
  font-size: 1.0625rem;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 560px;
}

/* Reveal animation */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.reveal.visible {
  opacity: 1;
  transform: none;
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ============================================================
   HERO
   ============================================================ */
#home {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--nav-h);
  background: radial-gradient(circle at center, rgba(10,10,15,0) 0%, var(--bg) 100%);
  position: relative;
}
#home::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at center, rgba(10,10,15,0) 0%, rgba(10,10,15,1) 100%);
}
[data-theme="light"] #home { background: none; }
[data-theme="light"] #home::before { display: none; }

.hero__content {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 6rem 2rem 8rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}
.hero__eyebrow::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--red);
  box-shadow: 0 0 8px var(--red);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(1.3); }
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 9vw, 8rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.0;
  color: var(--text);
  margin-bottom: 1.5rem;
}
.hero__title-accent { color: var(--red); }

.hero__tagline {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 600px;
  margin-bottom: 2rem;
}

.hero__meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}
.hero__location {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.875rem;
  color: var(--text-muted);
  font-weight: 500;
}
.hero__flag {
  font-size: 1rem;
}
.hero__time {
  font-size: 0.875rem;
  color: var(--text-subtle);
  font-weight: 400;
  font-variant-numeric: tabular-nums;
}

.hero__cta {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 600;
  padding: 0.75rem 1.5rem;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  transition: transform var(--dur), opacity var(--dur), box-shadow var(--dur);
  text-decoration: none;
}
.btn:hover { transform: translateY(-2px); }
.btn--primary {
  background: var(--red);
  color: #fff;
  box-shadow: 0 4px 20px var(--red-glow);
}
.btn--primary:hover {
  box-shadow: 0 8px 30px var(--red-glow);
}
.btn--secondary {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
}
.btn--secondary:hover {
  background: var(--surface-2);
}
.btn svg { width: 16px; height: 16px; }

/* ============================================================
   ABOUT
   ============================================================ */
#about {
  padding: 8rem 0;
}
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}
.about__image {
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
  aspect-ratio: 1;
  position: relative;
}
.about__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease);
}
.about__image:hover img { transform: scale(1.04); }

.about__text .section-title { margin-bottom: 1rem; }

/* ============================================================
   SKILLS
   ============================================================ */
#skills {
  padding: 8rem 0;
}
.skills__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1rem;
  margin-top: 3rem;
  justify-content: center;
}
.skill-card {
  padding: 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  transition: border-color var(--dur), transform var(--dur), box-shadow var(--dur);
}
.skill-card:hover {
  border-color: var(--red);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px var(--red-dim);
}
.skill-card__icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  margin-bottom: 1rem;
  background: var(--surface);
}
.skill-card__name {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.5rem;
}
.skill-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}
.pill {
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.2rem 0.6rem;
  border-radius: 20px;
  background: var(--surface-2);
  color: var(--text-muted);
  border: 1px solid var(--border-light);
  letter-spacing: 0.02em;
}

/* ============================================================
   PROJECTS
   ============================================================ */
#projects {
  padding: 8rem 0;
}
.projects__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 1.5rem;
  margin-top: 3rem;
}
.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  overflow: hidden;
  transition: transform var(--dur), box-shadow var(--dur), border-color var(--dur);
  display: flex;
  flex-direction: column;
}
.project-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
  border-color: rgba(255,255,255,0.15);
}

.project-card__preview {
  position: relative;
  overflow: hidden;
}
.project-card__preview::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, var(--bg-card) 100%);
  z-index: 1;
  opacity: 0;
  transition: opacity var(--dur);
}
.project-card:hover .project-card__preview::before { opacity: 1; }

/* Browser chrome effect */
.project-card__chrome {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 0.5rem 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.project-card__dots {
  display: flex;
  gap: 4px;
}
.project-card__dots span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}
.project-card__dots span:nth-child(1) { background: #ff5f56; }
.project-card__dots span:nth-child(2) { background: #ffbd2e; }
.project-card__dots span:nth-child(3) { background: #27c93f; }
.project-card__url {
  font-size: 0.7rem;
  color: var(--text-subtle);
  font-weight: 500;
  flex: 1;
  text-align: center;
}
.project-card__img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: transform 0.5s var(--ease);
}
.project-card:hover .project-card__img { transform: scale(1.04); }

.project-card__body {
  padding: 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.project-card__category {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blue);
}
.project-card__title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
}
.project-card__desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
  flex: 1;
}
.project-card__tech {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-top: 0.5rem;
}
.project-card__link {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.825rem;
  font-weight: 600;
  color: var(--red);
  transition: gap var(--dur);
  margin-top: 0.5rem;
}
.project-card__link:hover { gap: 0.5rem; }

/* ============================================================
   EXPERIENCE / TIMELINE
   ============================================================ */
#experience {
  padding: 8rem 0;
  background: var(--bg-2);
}
.experience__grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 5rem;
  margin-top: 3rem;
  align-items: start;
}
.experience__sticky {
  position: sticky;
  top: calc(var(--nav-h) + 2rem);
}

.timeline {
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--border);
}
.timeline__item {
  padding-left: 2rem;
  padding-bottom: 3rem;
  position: relative;
}
.timeline__item:last-child { padding-bottom: 0; }
.timeline__item::before {
  content: '';
  position: absolute;
  left: -4px;
  top: 6px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--red);
  box-shadow: 0 0 0 3px var(--bg-2), 0 0 0 4px var(--red);
  transition: transform var(--dur);
}
.timeline__item:hover::before { transform: scale(1.4); }
.timeline__period {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 0.5rem;
}
.timeline__role {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
  margin-bottom: 0.25rem;
}
.timeline__company {
  font-size: 0.9rem;
  color: var(--blue);
  font-weight: 500;
  margin-bottom: 0.75rem;
}
.timeline__desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.7;
}
.timeline__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-top: 0.75rem;
}

/* ============================================================
   CONTACT
   ============================================================ */
#contact {
  padding: 8rem 0;
  text-align: center;
  position: relative;
}
#contact::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
}
.contact__glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 400px;
  background: radial-gradient(ellipse, var(--red-dim) 0%, transparent 70%);
  pointer-events: none;
}
.contact__inner { position: relative; z-index: 1; }
.contact__title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 7vw, 5rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--text);
  margin-bottom: 1rem;
}
.contact__sub {
  font-size: 1.0625rem;
  color: var(--text-muted);
  max-width: 480px;
  margin: 0 auto 2.5rem;
  line-height: 1.7;
}
.contact__links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}
.contact__social {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  padding: 0.5rem 1rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  transition: color var(--dur), border-color var(--dur), transform var(--dur);
}
.contact__social:hover {
  color: var(--text);
  border-color: var(--border);
  transform: translateY(-2px);
}

/* ============================================================
   FOOTER
   ============================================================ */
footer {
  padding: 2rem;
  text-align: center;
  border-top: 1px solid var(--border);
  font-size: 0.8125rem;
  color: var(--text-subtle);
  position: relative;
  z-index: 1;
}
footer span { color: var(--red); }

/* ============================================================
   SCROLL INDICATOR (bottom arrow)
   ============================================================ */
.scroll-hint {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  color: var(--text-subtle);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  animation: scrollBounce 2s ease-in-out infinite;
  z-index: 2;
}
.scroll-hint svg {
  width: 16px;
  height: 16px;
}
@keyframes scrollBounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(6px); }
}

/* ============================================================
   DIVIDERS
   ============================================================ */
.divider {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border) 30%, var(--border) 70%, transparent);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
  .about__grid { grid-template-columns: 1fr; gap: 3rem; }
  .about__image { max-width: 480px; margin: 0 auto; }
  .experience__grid { grid-template-columns: 1fr; gap: 3rem; }
  .experience__sticky { position: static; }
}

@media (max-width: 768px) {
  .navbar__links { display: none; }
  .navbar__cta { display: none; }
  .navbar__hamburger { display: flex; }

  .hero__title { letter-spacing: -0.03em; }
  .projects__grid { grid-template-columns: 1fr; }
  .skills__grid { grid-template-columns: 1fr 1fr; }
  .about__facts { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .section-inner { padding: 0 1.25rem; }
  .skills__grid { grid-template-columns: 1fr; }
  .hero__content { padding: 5rem 1.25rem 6rem; }
}

.js-tilt-glare {
  border-radius: 20px;
}

/* ============================================================
   KINETIC & TERMINAL HERO
   ============================================================ */
#kinetic-title {
  transform-origin: center center;
  display: inline-block;
  will-change: transform, text-shadow;
}

#typewriter-text::after {
  content: '_';
  opacity: 0;
  transition: opacity 0.1s;
  color: var(--red);
  margin-left: 2px;
  font-weight: 700;
}
#typewriter-text.cursor-blink::after {
  animation: blink 1s step-start infinite;
}
@keyframes blink {
  50% { opacity: 1; }
}

#matrix-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  opacity: 0.25;
  pointer-events: none;
}

/* ============================================================
   CONTACT SECTION UPDATES
   ============================================================ */
.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 4rem;
  align-items: center;
  text-align: left;
}

.contact__info h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.contact__info p {
  color: var(--text-secondary);
  margin-bottom: 2rem;
  line-height: 1.6;
}

.contact__details {
  list-style: none;
  padding: 0;
  margin-bottom: 2rem;
}

.contact__details li {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
  font-size: 1.1rem;
}

.contact__socials-wrapper {
  display: flex;
  gap: 1rem;
}

/* Glass Panel & Form */
.glass-panel {
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 16px;
  padding: 2.5rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

[data-theme="light"] .glass-panel {
  background: rgba(255, 255, 255, 0.6);
  border: 1px solid rgba(0, 0, 0, 0.1);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.form-group input,
.form-group textarea {
  width: 100%;
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  padding: 1rem;
  color: var(--text-color);
  font-family: inherit;
  font-size: 1rem;
  transition: all 0.3s ease;
}

[data-theme="light"] .form-group input,
[data-theme="light"] .form-group textarea {
  background: rgba(255, 255, 255, 0.5);
  border: 1px solid rgba(0, 0, 0, 0.1);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--red);
  box-shadow: 0 0 15px rgba(220, 20, 60, 0.3);
  background: rgba(0, 0, 0, 0.3);
}

[data-theme="light"] .form-group input:focus,
[data-theme="light"] .form-group textarea:focus {
  background: rgba(255, 255, 255, 0.8);
}

@media (max-width: 768px) {
  .contact__grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
}
/* ============================================================
   TERMINAL UI
   ============================================================ */
.terminal-window {
  background: rgba(10, 10, 15, 0.7);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(10px);
  margin-top: 1.5rem;
  font-family: 'Space Grotesk', monospace;
}
.terminal-header {
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid var(--border);
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
}
.terminal-buttons {
  display: flex;
  gap: 6px;
}
.terminal-btn {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}
.terminal-btn.close { background: #ff5f56; }
.terminal-btn.minimize { background: #ffbd2e; }
.terminal-btn.maximize { background: #27c93f; }
.terminal-title {
  flex: 1;
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-subtle);
  margin-right: 48px; /* Offset to center title despite left buttons */
}
.terminal-body {
  padding: 1.5rem;
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--text);
  overflow-x: auto;
}
.terminal-body pre {
  margin: 0;
  white-space: pre-wrap;
  word-wrap: break-word;
}
.terminal-cursor {
  display: inline-block;
  width: 8px;
  height: 15px;
  background-color: var(--red);
  vertical-align: middle;
  animation: blink 1s step-end infinite;
  margin-left: 2px;
}
@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* Syntax Highlighting */
.json-key { color: #88C0D0; } /* Cyan */
.json-string { color: #A3BE8C; } /* Green */
.json-boolean { color: #D08770; } /* Orange */
.json-punctuation { color: #ECEFF4; } /* White */
[data-theme="light"] .json-punctuation { color: #4C566A; }
[data-theme="light"] .terminal-window { background: rgba(255, 255, 255, 0.8); }



/* ============================================================
   HABITAT 2D
   ============================================================ */
.habitat-section {
  width: 100%;
  height: 250px;
  position: relative;
  background: #0a0a0f;
  overflow: hidden;
  
  
}

#habitat-canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

:focus-visible {
  outline: 2px solid var(--red);
  outline-offset: 4px;
}

.swiss-cross {
  position: relative;
  display: block;
  width: 100%;
  height: 100%;
}
.swiss-cross::before,
.swiss-cross::after {
  content: '';
  position: absolute;
  inset: 50% auto auto 50%;
  background: #fff;
  transform: translate(-50%, -50%);
  border-radius: 1px;
}
.swiss-cross::before { width: 54%; height: 20%; }
.swiss-cross::after { width: 20%; height: 54%; }

.loader__logo {
  display: grid;
  grid-template-columns: auto 2rem;
  align-items: end;
  gap: 0.35rem 0.7rem;
}
.loader__monogram { font-weight: 800; }
.loader__monogram span { color: #f0f0f5; }
.loader__ch {
  width: 2rem;
  height: 2rem;
  padding: 0;
  margin: 0 0 0.2rem;
  align-self: end;
  background: #dc143c;
}
.loader__domain {
  grid-column: 1 / -1;
  color: rgba(255, 255, 255, 0.52);
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.24em;
  text-align: center;
  text-transform: uppercase;
}
[data-theme="light"] #loader { background: #f5f5f7; }
[data-theme="light"] .loader__monogram,
[data-theme="light"] .loader__monogram span { color: #111118; }
[data-theme="light"] .loader__domain,
[data-theme="light"] .loader__count { color: rgba(17, 17, 24, 0.52); }
[data-theme="light"] .loader__bar-wrap { background: rgba(17, 17, 24, 0.12); }

.navbar__brand-name {
  display: inline-flex;
  gap: 0.3em;
  font-weight: 700;
  white-space: nowrap;
}
.navbar__brand-name span { color: var(--text); }
.navbar__brand-badge {
  width: 1.45rem;
  height: 1.45rem;
  padding: 0;
  margin: 0 0 0.1rem;
  align-self: center;
  background: #dc143c;
}
.navbar__overlay-list {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}
.language-picker {
  position: relative;
  display: inline-flex;
  align-items: center;
}
.language-picker::after {
  content: '';
  width: 0.42rem;
  height: 0.42rem;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  pointer-events: none;
  position: absolute;
  right: 0.72rem;
  top: 50%;
  transform: translateY(-65%) rotate(45deg);
}
.language-picker select {
  appearance: none;
  min-height: 36px;
  padding: 0.45rem 2rem 0.45rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  font: 600 0.75rem var(--font-sans);
  cursor: pointer;
}
.language-picker--mobile { margin-top: 1.5rem; }
.language-picker--mobile select { font-size: 1rem; min-height: 44px; }
.navbar__theme-toggle {
  width: auto;
  min-width: 36px;
  padding: 0 0.7rem;
  gap: 0.45rem;
}
.theme-toggle__label { font-size: 0.72rem; font-weight: 600; }

#home {
  display: block;
  height: 190svh;
  min-height: 0;
  padding: 0;
  background: var(--bg);
}
#home::before { display: none; }
.hero__stage {
  position: sticky;
  top: 0;
  width: 100%;
  height: 100svh;
  min-height: 620px;
  overflow: hidden;
  display: flex;
  align-items: center;
  isolation: isolate;
  background: var(--bg);
}
#hero-camera-canvas,
#matrix-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}
#hero-camera-canvas { z-index: 0; opacity: 0.9; }
#matrix-canvas {
  z-index: 1;
  opacity: calc(0.22 - var(--hero-progress, 0) * 0.12);
  transform: scale(calc(1 + var(--hero-progress, 0) * 0.22));
  transform-origin: center;
}
.hero__vignette {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: radial-gradient(circle at center, transparent 15%, color-mix(in srgb, var(--bg) 52%, transparent) 62%, var(--bg) 100%);
}
.hero__content {
  will-change: transform, opacity;
  transform: translateY(calc(var(--hero-progress, 0) * -3rem)) scale(calc(1 - var(--hero-progress, 0) * 0.08));
  opacity: calc(1 - var(--hero-progress, 0) * 1.28);
}
.hero__name { color: var(--text); }
.hero__title-accent { display: inline-block; }
.hero__country {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--text-muted);
  font-size: 0.875rem;
}
.swiss-mark {
  display: inline-block;
  width: 1.45rem;
  height: 1.45rem;
  padding: 0.2rem;
  border-radius: 4px;
  background: #dc143c;
}
.scroll-hint {
  opacity: calc(1 - var(--hero-progress, 0) * 5);
  transition: none;
}

#about { background: linear-gradient(180deg, var(--bg), var(--bg-2)); }
.about__intro {
  max-width: 58ch;
  color: var(--text-muted);
  line-height: 1.75;
}
.about__image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(5, 5, 10, 0.88));
  pointer-events: none;
}
.about__image-caption {
  position: absolute;
  z-index: 2;
  left: 1.25rem;
  right: 1.25rem;
  bottom: 1rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  color: #fff;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
}
.about__image-caption span:first-child { color: #ff365d; font-weight: 700; }

#services { padding: 8rem 0; }
.services__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
  margin-top: 3rem;
}
.service-card {
  position: relative;
  min-height: 320px;
  padding: 1.75rem;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: linear-gradient(145deg, var(--bg-card), color-mix(in srgb, var(--surface) 65%, var(--bg-card)));
  box-shadow: 0 12px 35px transparent;
  transition: border-color var(--dur), box-shadow var(--dur), transform var(--dur), background var(--dur);
}
.service-card::before {
  content: '';
  position: absolute;
  width: 12rem;
  height: 12rem;
  top: -7rem;
  right: -6rem;
  border-radius: 50%;
  background: var(--red);
  filter: blur(45px);
  opacity: 0;
  transition: opacity var(--dur), transform var(--dur-slow);
}
.service-card:hover,
.service-card:focus-visible {
  border-color: color-mix(in srgb, var(--red) 70%, transparent);
  box-shadow: 0 22px 60px var(--shadow), 0 0 34px var(--red-glow), inset 0 0 28px var(--red-dim);
  transform: translateY(-7px);
}
.service-card:hover::before,
.service-card:focus-visible::before { opacity: 0.2; transform: scale(1.2); }
.service-card__number {
  align-self: flex-end;
  color: var(--text-subtle);
  font: 500 0.72rem var(--font-display);
  letter-spacing: 0.12em;
}
.service-card__icon {
  width: 3.25rem;
  height: 3.25rem;
  margin: 1rem 0 1.5rem;
  display: grid;
  place-items: center;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--surface);
  color: var(--red);
}
.service-card__icon svg {
  width: 1.6rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.service-card h3 {
  margin-bottom: 0.75rem;
  color: var(--text);
  font: 700 1.25rem var(--font-display);
}
.service-card p { color: var(--text-muted); font-size: 0.92rem; line-height: 1.7; }
.service-card__cta {
  margin-top: auto;
  padding-top: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--red);
  font-size: 0.8rem;
  font-weight: 700;
}
.service-card__cta span:last-child { transition: transform var(--dur); }
.service-card:hover .service-card__cta span:last-child { transform: translate(3px, -3px); }

.habitat-section {
  height: 210px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
[data-theme="light"] .habitat-section { filter: invert(0.88) hue-rotate(175deg); }

#contact { overflow: hidden; }
.js-tilt-glare { overflow: hidden !important; }
.contact__label { margin-bottom: 1rem; text-align: center; }
.contact__title { max-width: 900px; margin: 0 auto 1.25rem; text-align: center; }
.contact__lead {
  max-width: 760px;
  margin: 0 auto 4.5rem;
  color: var(--text-muted);
  text-align: center;
  font-size: clamp(1rem, 2vw, 1.18rem);
  line-height: 1.75;
}
.contact__grid { align-items: stretch; }
.contact__info,
.contact__form { min-width: 0; }
.contact__eyebrow {
  display: block;
  margin-bottom: 0.8rem;
  color: var(--red);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.contact__details a { color: var(--text); transition: color var(--dur); }
.contact__details a:hover { color: var(--red); }
.contact__details svg { flex: 0 0 auto; color: var(--red); }
.device-mark { width: 150px; margin-top: 2.5rem; color: var(--text-muted); }
.device-mark svg { width: 100%; overflow: visible; }
.device-mark__flag { fill: #dc143c; }
.device-mark__cross { fill: #fff; }
.device-mark__screen,
.device-mark__phone { fill: none; stroke: currentColor; stroke-width: 6; }
.device-mark__line { fill: none; stroke: currentColor; stroke-width: 6; stroke-linecap: round; }
.device-mark__dot { fill: currentColor; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-group label,
.form-topics legend {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.55rem;
  color: var(--text-muted);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.form-optional { color: var(--text-subtle); font-size: 0.68rem; font-weight: 500; text-transform: lowercase; }
.form-count { color: var(--text-subtle); font-variant-numeric: tabular-nums; }
.form-topics { margin-bottom: 1.5rem; border: 0; }
.form-topics__list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0.55rem; }
.topic-pill {
  min-height: 42px;
  padding: 0.55rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: transparent;
  color: var(--text-muted);
  font: 600 0.78rem var(--font-sans);
  cursor: pointer;
  transition: color var(--dur), border-color var(--dur), background var(--dur), box-shadow var(--dur);
}
.topic-pill:hover { color: var(--text); border-color: var(--text-subtle); }
.topic-pill.active {
  border-color: var(--red);
  background: var(--red);
  color: #fff;
  box-shadow: 0 8px 22px var(--red-glow);
}
.contact__submit { width: 100%; justify-content: center; }
.form-note { margin: 1rem 0 0; color: var(--text-subtle); font-size: 0.72rem; line-height: 1.55; }

footer { padding: 0; }
.footer__inner {
  max-width: 1200px;
  min-height: 92px;
  margin: 0 auto;
  padding: 1.5rem 2rem;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 2rem;
}
.footer__brand { color: var(--text); font: 700 0.9rem var(--font-display); }
.footer__heart { color: #dc143c; }
.footer__links { display: flex; gap: 1rem; }
.footer__links a { color: var(--text-muted); transition: color var(--dur); }
.footer__links a:hover { color: var(--red); }

@media (max-width: 1080px) {
  .navbar__inner { padding: 0 1.25rem; gap: 1rem; }
  .navbar__links { gap: 0; }
  .navbar__link { padding-inline: 0.55rem; }
  .theme-toggle__label { display: none; }
  .services__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer__inner { grid-template-columns: 1fr; gap: 0.65rem; text-align: center; }
  .footer__links { justify-content: center; }
}

@media (max-width: 768px) {
  .navbar__brand-name { font-size: 1rem; }
  .navbar__actions > .language-picker { display: none; }
  .navbar__theme-toggle { width: 40px; height: 40px; padding: 0; }
  .navbar__overlay { gap: 0; }
  .navbar__overlay-link { font-size: clamp(1.7rem, 8vw, 2.35rem); }
  #home { height: 155svh; }
  .hero__stage { min-height: 560px; }
  .hero__content { padding-top: 7rem; }
  .hero__title { font-size: clamp(3rem, 15vw, 5rem); }
  .hero__tagline { max-width: 34rem; }
  .services__grid { grid-template-columns: 1fr; }
  .service-card { min-height: 280px; }
  .about__grid { gap: 2.5rem; }
  .about__image { order: -1; }
  .contact__lead { margin-bottom: 3rem; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .footer__inner { padding-inline: 1.25rem; }
  .footer__links { flex-direction: column; gap: 0.35rem; }
}

@media (max-width: 480px) {
  .loader__monogram { font-size: 2.35rem; }
  .hero__meta { gap: 0.75rem; flex-direction: column; }
  .hero__cta { width: 100%; }
  .hero__cta .btn { width: 100%; justify-content: center; }
  .form-topics__list { grid-template-columns: 1fr; }
  .glass-panel { padding: 1.35rem; }
  .contact__title { font-size: 2.35rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  #home { height: 100svh; }
  .hero__stage { position: relative; }
  .hero__content { transform: none; opacity: 1; }
  #matrix-canvas { transform: none; }
  .scroll-hint { display: none; }
}