:root {
  --bg:          #050508;
  --bg2:         #08080f;
  --surf:        #0d0d18;
  --surf2:       #121220;
  --border:      rgba(255,255,255,0.06);
  --border-h:    rgba(100,255,210,0.22);

  --accent:      #64ffd4;
  --accent2:     #5a8fff;
  --accent3:     #ff6b9d;
  --glow:        rgba(100,255,212,0.13);
  --glow2:       rgba(90,143,255,0.10);

  --txt:         #eaeaf8;
  --txt2:        #7878a0;
  --txt3:        #3a3a60;

  --f-head: 'Syne', sans-serif;
  --f-body: 'DM Sans', sans-serif;
  --f-mono: 'Space Mono', monospace;

  --s3:  0.75rem;
  --s4:  1rem;
  --s5:  1.25rem;
  --s6:  1.5rem;
  --s8:  2rem;
  --s10: 2.5rem;
  --s12: 3rem;
  --s16: 4rem;
  --s20: 5rem;
  --s24: 6rem;

  --r-sm: 6px;
  --r-md: 12px;
  --r-lg: 18px;
  --r-xl: 26px;

  --ease: cubic-bezier(0.16, 1, 0.3, 1);

  --sh:       0 0 0 1px var(--border), 0 4px 32px rgba(0,0,0,0.55);
  --sh-hover: 0 0 0 1px var(--border-h), 0 8px 48px rgba(100,255,212,0.07), 0 24px 80px rgba(0,0,0,0.65);

  --max-w: 1180px;
  --bar-h: 68px;
}

[data-theme="light"], html.light, body.light {
  --bg:       #f4f4fc;
  --bg2:      #eeeef8;
  --surf:     #ffffff;
  --surf2:    #f0f0fa;
  --border:   rgba(0,0,0,0.07);
  --border-h: rgba(0,60,200,0.22);

  --accent:   #0040c8;
  --accent2:  #7000cc;
  --accent3:  #d0005a;
  --glow:     rgba(0,64,200,0.09);
  --glow2:    rgba(112,0,204,0.07);

  --txt:      #0c0c1e;
  --txt2:     #44446a;
  --txt3:     #9898bb;

  --sh:       0 0 0 1px var(--border), 0 2px 20px rgba(0,0,0,0.06);
  --sh-hover: 0 0 0 1px var(--border-h), 0 8px 40px rgba(0,64,200,0.07), 0 16px 48px rgba(0,0,0,0.06);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--txt);
  font-family: var(--f-body);
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

ul {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

input,
textarea,
select {
  font-family: inherit;
  color: inherit;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: var(--r-sm);
}

.skip {
  position: fixed;
  top: -100%;
  left: var(--s4);
  z-index: 9999;
  background: var(--accent);
  color: #000;
  padding: .75rem 1.25rem;
  border-radius: 0 0 var(--r-md) var(--r-md);
  font-weight: 700;
  font-size: .85rem;
  transition: top .2s;
}

.skip:focus {
  top: 0;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
    animation-iteration-count: 1 !important;
  }

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

  html {
    scroll-behavior: auto;
  }
}

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .75s var(--ease), transform .75s var(--ease);
}

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

.rv1 { transition-delay: .08s; }
.rv2 { transition-delay: .16s; }
.rv3 { transition-delay: .24s; }
.rv4 { transition-delay: .32s; }

.wrap {
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: clamp(1rem, 5vw, 3rem);
}

.grid {
  display: grid;
  gap: var(--s6);
}

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

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

.topbar {
  position: fixed;
  inset: 0 0 auto;
  height: var(--bar-h);
  z-index: 200;
  background: rgba(5,5,8,.75);
  backdrop-filter: blur(24px) saturate(1.5);
  -webkit-backdrop-filter: blur(24px) saturate(1.5);
  border-bottom: 1px solid var(--border);
  transition: border-color .4s, background .4s;
}

[data-theme="light"] .topbar,
html.light .topbar {
  background: rgba(244,244,252,.85);
}

.topbar.scrolled {
  border-bottom-color: rgba(100,255,212,0.1);
}

.topbar-inner {
  height: 100%;
  display: flex;
  align-items: center;
  gap: var(--s6);
}

.brand {
  display: flex;
  align-items: center;
  gap: .875rem;
  flex-shrink: 0;
  color: inherit;
}

.avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent2) 100%);
  display: grid;
  place-items: center;
  font-family: var(--f-head);
  font-weight: 800;
  font-size: .95rem;
  color: #000;
  flex-shrink: 0;
  box-shadow: 0 0 20px var(--glow);
  transition: box-shadow .3s;
}

.avatar:hover {
  box-shadow: 0 0 32px var(--glow), 0 0 0 2px var(--accent);
}

.brand-text .name {
  font-family: var(--f-head);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -.02em;
  line-height: 1.2;
}

.brand-text .role {
  font-size: .7rem;
  color: var(--txt2);
  letter-spacing: .04em;
  line-height: 1;
}

.nav {
  display: flex;
  align-items: center;
  margin-inline: auto;
}

.nav a {
  padding: .38rem .82rem;
  font-size: .8rem;
  font-weight: 500;
  color: var(--txt2);
  letter-spacing: .025em;
  border-radius: var(--r-sm);
  transition: color .2s, background .2s;
  position: relative;
  white-space: nowrap;
}

.nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  right: 50%;
  height: 1.5px;
  border-radius: 2px;
  background: var(--accent);
  transition: left .25s var(--ease), right .25s var(--ease);
}

.nav a:hover {
  color: var(--txt);
  background: rgba(255,255,255,0.04);
}

.nav a:hover::after {
  left: .82rem;
  right: .82rem;
}

.actions {
  display: flex;
  align-items: center;
  gap: .625rem;
  flex-shrink: 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .45rem;
  padding: .5rem 1.1rem;
  border-radius: var(--r-md);
  border: 1px solid transparent;
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .02em;
  cursor: pointer;
  white-space: nowrap;
  transition: all .28s var(--ease);
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, transparent 30%, rgba(255,255,255,0.14) 50%, transparent 70%);
  transform: translateX(-130%);
  transition: transform .6s var(--ease);
}

.btn:hover::after {
  transform: translateX(130%);
}

.btn:not(.ghost) {
  background: var(--accent);
  color: #000;
  border-color: var(--accent);
  box-shadow: 0 0 20px var(--glow);
}

.btn:not(.ghost):hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 32px var(--glow), 0 0 0 1px var(--accent);
}

.btn:not(.ghost):active {
  transform: none;
}

.btn.ghost {
  background: transparent;
  color: var(--txt2);
  border-color: var(--border);
}

.btn.ghost:hover {
  color: var(--txt);
  border-color: var(--border-h);
  background: rgba(100,255,212,0.04);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  padding: .5rem;
  color: var(--txt2);
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  cursor: pointer;
  transition: border-color .2s, color .2s;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 1.5px;
  background: currentColor;
  border-radius: 2px;
  transition: transform .25s, opacity .25s;
  transform-origin: center;
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}

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

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

.nav-toggle:hover {
  color: var(--txt);
  border-color: var(--border-h);
}

.hero {
  position: relative;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  padding-top: var(--bar-h);
  overflow: hidden;
  isolation: isolate;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -2;
  background-image: radial-gradient(circle at 1px 1px, rgba(100,255,212,0.1) 1px, transparent 0);
  background-size: 52px 52px;
  mask-image: radial-gradient(ellipse 90% 80% at 50% 35%, black 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 90% 80% at 50% 35%, black 30%, transparent 75%);
}

.hero .bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
}

.hero .bg::before,
.hero .bg::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
}

.hero .bg::before {
  width: 700px;
  height: 500px;
  top: -10%;
  right: -5%;
  background: radial-gradient(circle, var(--glow) 0%, transparent 65%);
  animation: orbFloat 10s ease-in-out infinite alternate;
}

.hero .bg::after {
  width: 400px;
  height: 400px;
  bottom: 5%;
  left: -8%;
  background: radial-gradient(circle, var(--glow2) 0%, transparent 65%);
  animation: orbFloat 14s 2s ease-in-out infinite alternate-reverse;
}

@keyframes orbFloat {
  from {
    transform: translate(0, 0) scale(1);
  }

  to {
    transform: translate(30px, -30px) scale(1.08);
  }
}

.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(440px, 500px);
  gap: var(--s12);
  align-items: center;
  padding-block: var(--s20);
  width: 100%;
}

.hero-right {
  display: flex;
  flex-direction: column;
  gap: var(--s4);
  animation: heroFadeLeft .8s .15s var(--ease) both;
  width: 100%;
  max-width: 500px;
  min-width: 0;
}

.hero-left {
  display: flex;
  flex-direction: column;
  gap: var(--s6);
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .38rem .9rem;
  background: rgba(100,255,212,0.05);
  border: 1px solid rgba(100,255,212,0.16);
  border-radius: 100px;
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .06em;
  color: var(--accent);
  text-transform: uppercase;
  width: fit-content;
  animation: heroFadeUp .6s var(--ease) both;
}

.dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px var(--accent);
  animation: dotPulse 2.2s ease-in-out infinite;
}

@keyframes dotPulse {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
    box-shadow: 0 0 10px var(--accent);
  }

  50% {
    opacity: .5;
    transform: scale(.7);
    box-shadow: 0 0 4px var(--accent);
  }
}

h1 {
  font-family: var(--f-head);
  font-size: clamp(3rem, 7.5vw, 5.8rem);
  font-weight: 800;
  line-height: 1.0;
  letter-spacing: -.035em;
  animation: heroFadeUp .7s .1s var(--ease) both;
}

h1 .grad {
  background: linear-gradient(135deg, var(--txt) 10%, var(--accent) 55%, var(--accent2) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: inline-block;
}

h1 small {
  display: block;
  font-size: clamp(.9rem, 1.8vw, 1.2rem);
  font-weight: 400;
  letter-spacing: .005em;
  color: var(--txt2);
  margin-top: .5rem;
  -webkit-text-fill-color: var(--txt2);
  line-height: 1.4;
}

.lead {
  font-size: clamp(.92rem, 1.4vw, 1.06rem);
  color: var(--txt2);
  max-width: 54ch;
  line-height: 1.8;
  animation: heroFadeUp .7s .2s var(--ease) both;
}

.quick {
  display: flex;
  flex-wrap: wrap;
  gap: .625rem;
  animation: heroFadeUp .7s .3s var(--ease) both;
}

.chip {
  display: inline-flex;
  align-items: center;
  padding: .52rem 1.15rem;
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: .8rem;
  font-weight: 500;
  color: var(--txt2);
  background: rgba(255,255,255,0.02);
  transition: all .28s var(--ease);
}

.chip:hover {
  color: var(--accent);
  border-color: var(--border-h);
  background: var(--glow);
  transform: translateY(-2px);
}

.chip:first-child {
  background: var(--accent);
  color: #000;
  border-color: var(--accent);
  font-weight: 700;
  box-shadow: 0 0 20px var(--glow);
}

.chip:first-child:hover {
  box-shadow: 0 6px 28px var(--glow);
  transform: translateY(-2px);
}

.links {
  display: flex;
  align-items: center;
  gap: .875rem;
  animation: heroFadeUp .7s .4s var(--ease) both;
}

.link {
  font-size: .8rem;
  font-weight: 500;
  color: var(--txt2);
  transition: color .2s;
  display: inline-flex;
  align-items: center;
  gap: .3rem;
}

.link:hover {
  color: var(--accent);
}

.link.muted,
span.link.muted {
  color: var(--txt3);
  cursor: default;
}

span.link.muted:hover {
  color: var(--txt3);
}

.sep {
  color: var(--txt3);
  font-size: .6rem;
}



@keyframes heroFadeUp {
  from {
    opacity: 0;
    transform: translateY(22px);
  }

  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes heroFadeLeft {
  from {
    opacity: 0;
    transform: translateX(28px);
  }

  to {
    opacity: 1;
    transform: none;
  }
}

.card.kpis {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  width: 100%;
  max-width: 100%;
  gap: 0;
  padding: 0;
  background: rgba(100,255,212,0.03);
  border-color: rgba(100,255,212,0.1);
  overflow: hidden;
}

.kpi {
  min-width: 0;
  max-width: 100%;
  text-align: center;
  padding: .9rem .5rem;
  position: relative;
  overflow: hidden;
}

.kpi:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 22%;
  right: 0;
  bottom: 22%;
  width: 1px;
  background: var(--border);
}

.kpi-num {
  font-family: var(--f-head);
  font-size: clamp(.95rem, 1.6vw, 1.25rem);
  font-weight: 800;
  letter-spacing: -.02em;
  color: var(--accent);
  line-height: 1.05;
  text-shadow: 0 0 22px var(--glow);

  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.kpi-label {
  font-size: .58rem;
  color: var(--txt2);
  margin-top: .35rem;
  line-height: 1.25;
  letter-spacing: .015em;

  white-space: normal;
  overflow-wrap: break-word;
}

.mini {
  padding: var(--s5) var(--s6);
}

.mini h3 {
  font-size: .68rem;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--txt3);
  margin-bottom: var(--s4);
}

.card {
  background: var(--surf);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: var(--s6);
  box-shadow: var(--sh);
  transition: box-shadow .35s var(--ease), border-color .35s var(--ease), transform .35s var(--ease);
}

.card:hover {
  box-shadow: var(--sh-hover);
  border-color: var(--border-h);
  transform: translateY(-3px);
}

.section {
  padding-block: clamp(4rem, 8vw, 6.5rem);
  position: relative;
}

.section:nth-child(even) {
  background: var(--bg2);
}

.section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100vw;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border) 30%, var(--border) 70%, transparent);
}

.section-head {
  margin-bottom: var(--s12);
}

.section-head h2 {
  font-family: var(--f-head);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  letter-spacing: -.03em;
  line-height: 1.05;
  position: relative;
  display: inline-block;
}

.section-head h2::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -5px;
  width: 100%;
  height: 2.5px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent2), transparent 90%);
}

.section-head p {
  margin-top: .875rem;
  color: var(--txt2);
  max-width: 60ch;
  font-size: .95rem;
}

.section-head.row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--s8);
  flex-wrap: wrap;
}

.muted {
  color: var(--txt2);
  font-size: .875rem;
}

.tiny {
  font-size: .75rem;
}

.card h3 {
  font-family: var(--f-head);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -.01em;
  margin-bottom: var(--s4);
}

.bullets {
  padding: 0;
}

.bullets li {
  display: flex;
  align-items: flex-start;
  gap: .55rem;
  padding: .4rem 0;
  font-size: .9rem;
  color: var(--txt2);
  border-bottom: 1px solid var(--border);
}

.bullets li:last-child {
  border-bottom: none;
}

.bullets li::before {
  content: '›';
  color: var(--accent);
  font-size: 1rem;
  line-height: 1.5;
  flex-shrink: 0;
  font-weight: 700;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
  margin-bottom: .875rem;
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: .28rem .7rem;
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: .73rem;
  font-weight: 500;
  color: var(--txt2);
  letter-spacing: .02em;
  background: rgba(255,255,255,0.015);
  transition: all .2s var(--ease);
  cursor: default;
}

.tag:hover,
.tag.highlight {
  background: rgba(100,255,212,0.07);
  border-color: rgba(100,255,212,0.28);
  color: var(--accent);
  transform: translateY(-1px);
}

.tag.dim {
  opacity: .2;
  pointer-events: none;
}

.skill-controls {
  flex: 1;
  max-width: 380px;
}

.input {
  width: 100%;
  padding: .65rem 1rem;
  background: var(--surf2);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  color: var(--txt);
  font-size: .875rem;
  outline: none;
  transition: border-color .22s, box-shadow .22s;
}

.input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--glow);
}

.input::placeholder {
  color: var(--txt3);
}

.card.skill {
  position: relative;
  overflow: hidden;
}

.card.skill::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  opacity: 0;
  transition: opacity .3s var(--ease);
}

.card.skill:hover::before {
  opacity: 1;
}

.card.project {
  display: flex;
  flex-direction: column;
  gap: var(--s4);
  position: relative;
  overflow: hidden;
}

.card.project::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  opacity: 0;
  transition: opacity .3s var(--ease);
}

.card.project:hover::before {
  opacity: 1;
}

/* Projekty - farby podľa badgov */
#projekty .card.project:nth-child(1)::before {
  background: linear-gradient(90deg, var(--accent), #00d4aa);
  /* PP AUTO - web (zelená) */
}

#projekty .card.project:nth-child(2)::before {
  background: linear-gradient(90deg, var(--accent), #00d4aa);
  /* Autoškola Roka - web (zelená) */
}

#projekty .card.project:nth-child(3)::before {
  background: linear-gradient(90deg, var(--accent2), #5a8fff);
  /* Fuely - app (modrá) */
}

#projekty .card.project:nth-child(4)::before {
  background: linear-gradient(90deg, var(--accent3), #ff9f43);
  /* Speech Stress Detection - aiml (ružová) */
}

#projekty .card.project:nth-child(5)::before {
  background: linear-gradient(90deg, #c084fc, #9d4edd);
  /* UAV Control System - system (purpurová) */
}

#projekty .card.project:nth-child(6)::before {
  background: linear-gradient(90deg, var(--accent3), #ff9f43);
  /* Machine Learning Project - aiml (ružová) */
}

#projekty .card.project:nth-child(7)::before {
  background: linear-gradient(90deg, #facc15, #fbbf24);
  /* Academic Assignments - academic (žltá) */
}

/* Certifikáty - všetky academic (žltá) */
#certifikaty .card.project::before {
  background: linear-gradient(90deg, #facc15, #fbbf24);
}

.project-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--s4);
}

.project-top h3 {
  font-size: .95rem;
  margin: 0;
}

.badge {
  flex-shrink: 0;
  padding: .22rem .62rem;
  border-radius: 100px;
  font-size: .65rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.badge.web {
  background: rgba(100,255,212,0.08);
  border: 1px solid rgba(100,255,212,0.2);
  color: var(--accent);
}

.badge.app {
  background: rgba(90,143,255,0.08);
  border: 1px solid rgba(90,143,255,0.2);
  color: var(--accent2);
}

.badge.aiml {
  background: rgba(255,107,157,0.08);
  border: 1px solid rgba(255,107,157,0.2);
  color: var(--accent3);
}

.badge.system {
  background: rgba(147,51,234,0.10);
  border: 1px solid rgba(147,51,234,0.26);
  color: #c084fc;
}

.badge.academic {
  background: rgba(250,204,21,0.09);
  border: 1px solid rgba(250,204,21,0.25);
  color: #facc15;
}

.card.project > p {
  font-size: .875rem;
  color: var(--txt2);
  line-height: 1.65;
}

.mini-list {
  display: flex;
  flex-direction: column;
  gap: .3rem;
}

.mini-list li {
  font-size: .77rem;
  color: var(--txt3);
  padding-left: .875rem;
  position: relative;
}

.mini-list li::before {
  content: '▸';
  position: absolute;
  left: 0;
  top: .05rem;
  color: var(--accent);
  font-size: .6rem;
}

.project-links {
  margin-top: auto;
  padding-top: var(--s4);
  border-top: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
}

.project-links .link {
  font-family: var(--f-mono);
  font-size: .7rem;
  color: var(--txt3);
  word-break: break-all;
}

.project-links .link:hover {
  color: var(--accent);
}

.timeline {
  padding-left: var(--s8);
  border-left: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: var(--s5);
}

.t-item {
  position: relative;
  margin-left: 0;
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: var(--s6);
  padding: var(--s6);
  border-radius: var(--r-lg);
}

.t-item::before {
  display: none;
}

.t-item.current::before {
  content: '';
  display: block;
  position: absolute;
  left: calc(var(--s8) * -1 + -.375rem);
  top: calc(var(--s6) + .5rem);
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid var(--bg);
  box-shadow: 0 0 14px var(--glow);
}

.t-when {
  font-family: var(--f-mono);
  font-size: .68rem;
  color: var(--accent);
  letter-spacing: .04em;
  line-height: 1.4;
  padding-top: .15rem;
}

.t-what h3 {
  font-size: .95rem;
}

.t-what .muted {
  margin-top: .3rem;
  font-size: .82rem;
}

.contact {
  display: flex;
  flex-direction: column;
  gap: .625rem;
}

.c-row {
  display: flex;
  align-items: center;
  gap: var(--s4);
  padding: .75rem var(--s4);
  border-radius: var(--r-md);
  border: 1px solid var(--border);
  background: var(--surf2);
  transition: border-color .22s, background .22s;
}

.c-row:hover {
  border-color: var(--border-h);
  background: rgba(100,255,212,0.03);
}

.c-key {
  font-size: .68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--txt3);
  width: 68px;
  flex-shrink: 0;
}

.c-val {
  font-size: .875rem;
  color: var(--accent);
  font-weight: 500;
}

.c-val:hover {
  opacity: .8;
}

.form {
  display: flex;
  flex-direction: column;
  gap: var(--s4);
}

.lbl {
  display: flex;
  flex-direction: column;
  gap: .38rem;
  font-size: .72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--txt2);
}

textarea.input {
  resize: vertical;
  min-height: 110px;
}

#sendBtn {
  align-self: flex-start;
}

.form-status {
  min-height: 1.2em;
  transition: color .3s;
}

.footer {
  padding-top: var(--s10);
  margin-top: var(--s10);
  border-top: 1px solid var(--border);
  text-align: center;
}

.footer span {
  font-family: var(--f-mono);
  font-size: .7rem;
  color: var(--txt3);
  letter-spacing: .06em;
}

.tech-stack {
  padding: 0 0 3rem;
  margin-top: 0;
  background: var(--bg);
  position: relative;
  z-index: 5;
}

.tech-stack .wrap {
  display: flex;
  justify-content: center;
}

.stack-icons {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: .7rem;
  width: min(100%, 820px);
  padding: 1.05rem 1.4rem;
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  background:
    linear-gradient(135deg, rgba(255,255,255,0.035), rgba(100,255,212,0.04)),
    rgba(13,13,24,0.72);
  box-shadow: var(--sh);
  overflow-x: auto;
  overflow-y: visible;
  backdrop-filter: blur(18px) saturate(1.4);
  -webkit-backdrop-filter: blur(18px) saturate(1.4);
}

.stack-icon {
  width: 44px;
  height: 44px;
  min-width: 44px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  position: relative;
  transform: translateY(0) scale(1);
  transition:
    transform .22s var(--ease),
    filter .22s var(--ease),
    background .22s var(--ease),
    box-shadow .22s var(--ease);
}

.stack-icon img {
  width: 42px;
  height: 42px;
  object-fit: contain;
  opacity: .9;
  transition:
    transform .22s var(--ease),
    opacity .22s var(--ease),
    filter .22s var(--ease);
  filter: drop-shadow(0 4px 10px rgba(0,0,0,.28));
}

.stack-icon:hover {
  transform: translateY(-5px) scale(1.28);
  background: rgba(100,255,212,0.06);
  box-shadow:
    0 10px 28px rgba(100,255,212,0.10),
    0 0 0 1px rgba(100,255,212,0.14);
  z-index: 5;
}

.stack-icon:hover img {
  opacity: 1;
  filter:
    drop-shadow(0 10px 20px rgba(100,255,212,.18))
    drop-shadow(0 2px 8px rgba(0,0,0,.45));
}

.cert-tags {
  margin-bottom: 0;
}



#langBtn {
  min-width: 48px;
  font-family: var(--f-mono);
  text-transform: uppercase;
}

@media (max-width: 1000px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: var(--s8);
  }

  .hero-right {
    order: -1;
    max-width: 500px;
  }

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

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

@media (max-width: 820px) {
  .nav {
    display: none;
  }

  .nav.open {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    position: fixed;
    top: var(--bar-h);
    left: 0;
    right: 0;
    background: var(--surf);
    border-bottom: 1px solid var(--border);
    padding: var(--s4);
    gap: .25rem;
    box-shadow: 0 16px 48px rgba(0,0,0,0.5);
  }

  .nav.open a {
    padding: .65rem var(--s4);
    border-radius: var(--r-md);
  }

  .nav.open a::after {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }
}

@media (max-width: 600px) {
  :root {
    --bar-h: 60px;
  }

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

  .card.kpis {
    grid-template-columns: repeat(3, 1fr);
  }

  .kpi-num {
    font-size: 1.4rem;
  }

  .kpi-label {
    font-size: .6rem;
  }

  .t-item {
    grid-template-columns: 1fr;
    gap: .5rem;
  }

  .t-when {
    font-size: .68rem;
  }

  .section-head.row {
    flex-direction: column;
  }

  .skill-controls {
    max-width: 100%;
  }

  .hero-inner {
    padding-block: var(--s12);
  }

  h1 small {
    font-size: .9rem;
  }

  .brand-text .role {
    display: none;
  }

  .actions {
    gap: .4rem;
  }

  .actions .btn {
    padding: .45rem .75rem;
    font-size: .72rem;
  }

  .stack-icons {
    justify-content: flex-start;
  }
}

@media (max-width: 420px) {
  .actions .btn.ghost {
    display: none;
  }
}

@media print {
  .topbar,
  .tech-stack,
  #stats,
  .form,
  .bg {
    display: none !important;
  }

  .hero {
    min-height: auto;
    padding-top: 0;
  }

  .section {
    padding-block: 2rem;
  }

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