/* ============================================================
   Theme and base styles
   ============================================================ */
:root {
  --bg: #090a0f;
  --panel: #12151e;
  --panel2: #181b25;
  --line: rgba(255, 255, 255, 0.09);
  --text: #fff;
  --mute: #a0a5b5;
  --body: #b9cacb;
  --cy: #00f0ff;
  --vi: #dcb8ff;
  --go: #ffd386;
  --err: #ffb4ab;
  --ink: #090a0f;
  --glow: rgba(0, 240, 255, 0.35);
  box-sizing: border-box;
  padding-top: env(safe-area-inset-top, 0px);
  padding-bottom: env(safe-area-inset-bottom, 0px);
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg: #f4f6fb;
    --panel: #fff;
    --panel2: #eef1f8;
    --line: rgba(0, 0, 0, 0.1);
    --text: #0d1220;
    --mute: #566074;
    --body: #3a4458;
    --cy: #006970;
    --vi: #6a2fb0;
    --go: #8a5a00;
    --err: #b3261e;
    --ink: #fff;
    --glow: rgba(0, 105, 112, 0.25);
  }
}

:root[data-theme="light"] {
  --bg: #f4f6fb;
  --panel: #fff;
  --panel2: #eef1f8;
  --line: rgba(0, 0, 0, 0.1);
  --text: #0d1220;
  --mute: #566074;
  --body: #3a4458;
  --cy: #006970;
  --vi: #6a2fb0;
  --go: #8a5a00;
  --err: #b3261e;
  --ink: #fff;
  --glow: rgba(0, 105, 112, 0.25);
}

* {
  box-sizing: border-box;
  margin: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(76px + env(safe-area-inset-top, 0px));
}

body {
  background: var(--bg);
  color: var(--body);
  font: 400 15px/1.65 "Plus Jakarta Sans", system-ui, sans-serif;
  overflow-x: hidden;
}

h1,
h2,
h3 {
  font-family: Syne, system-ui, sans-serif;
  color: var(--text);
  line-height: 1.1;
}

.mono {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 12px;
  letter-spacing: 0.04em;
}

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

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

.wrap {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 clamp(18px, 4vw, 48px);
}

section {
  padding: 84px 0;
}

section.alt {
  background: color-mix(in srgb, var(--panel) 55%, var(--bg));
}

.eyebrow {
  color: var(--cy);
}

h2 {
  font-size: clamp(28px, 4.4vw, 46px);
  letter-spacing: -0.02em;
  margin: 8px 0 34px;
  max-width: 20ch;
}

/* ============================================================
   Header + navigation
   ============================================================ */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  padding-top: env(safe-area-inset-top, 0px);
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}

.bar {
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 9px;
  color: var(--text);
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cy);
  box-shadow: 0 0 10px var(--cy);
  animation: p 2s infinite;
}

@keyframes p {
  50% {
    opacity: 0.35;
  }
}

nav {
  display: flex;
  gap: 2px;
}

nav a {
  padding: 6px 11px;
  border-radius: 6px;
  color: var(--mute);
  font: 600 12px "JetBrains Mono", monospace;
  transition: 0.2s;
}

nav a:hover,
nav a.on {
  color: var(--cy);
  background: var(--panel2);
}

.bar-r {
  display: flex;
  gap: 8px;
  align-items: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 18px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--text);
  font: 600 12px "JetBrains Mono", monospace;
  cursor: pointer;
  transition: transform 0.18s, box-shadow 0.2s, border-color 0.2s;
}

.btn:hover {
  transform: translateY(-2px);
  border-color: var(--cy);
}

.btn.pri {
  background: var(--cy);
  color: var(--ink);
  border-color: var(--cy);
  box-shadow: 0 0 22px var(--glow);
}

.btn.sm {
  padding: 7px 12px;
}

#menu {
  display: none;
}

@media (max-width: 980px) {
  nav {
    display: none;
  }

  #menu {
    display: inline-flex;
  }

  nav.open {
    display: flex;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--bg);
    padding: 10px 18px;
    border-bottom: 1px solid var(--line);
  }
}

/* ============================================================
   Hero section
   ============================================================ */
#hero {
  padding: 130px 0 70px;
  position: relative;
  overflow: hidden;
}

#hero:before {
  content: "";
  position: absolute;
  width: 420px;
  height: 420px;
  left: -120px;
  top: -80px;
  background: var(--cy);
  opacity: 0.09;
  filter: blur(90px);
  border-radius: 50%;
}

.hero-g {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: 48px;
  align-items: center;
  position: relative;
}

@media (max-width: 900px) {
  .hero-g {
    grid-template-columns: 1fr;
  }
}

.pill {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  padding: 6px 12px;
  border: 1px solid color-mix(in srgb, var(--cy) 35%, transparent);
  border-radius: 999px;
  color: var(--cy);
}

h1 {
  font-size: clamp(44px, 8vw, 86px);
  font-weight: 800;
  letter-spacing: -0.04em;
  margin: 22px 0 14px;
}

h1 span {
  color: var(--cy);
  text-shadow: 0 0 28px var(--glow);
}

.roles {
  font: 600 clamp(16px, 2vw, 20px) Syne, sans-serif;
  color: var(--vi);
  margin-bottom: 14px;
  min-height: 28px;
}

.lead {
  max-width: 56ch;
  font-size: 17px;
}

.ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 28px 0;
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  max-width: 520px;
}

.stat {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px 14px;
}

.stat b {
  display: block;
  font: 700 26px Syne, sans-serif;
  color: var(--text);
}

.stat small {
  color: var(--mute);
  font-size: 12px;
}

.id-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 10px;
  transition: 0.3s;
}

.id-card:hover {
  border-color: var(--cy);
  box-shadow: 0 0 30px var(--glow);
}

.id-top {
  display: flex;
  justify-content: space-between;
  color: var(--mute);
  padding: 4px 6px 10px;
}

.avatar {
  aspect-ratio: 4 / 4.4;
  border-radius: 10px;
  background: radial-gradient(circle at 30% 20%, color-mix(in srgb, var(--cy) 30%, transparent), transparent 55%), radial-gradient(circle at 80% 90%, color-mix(in srgb, var(--vi) 35%, transparent), transparent 55%), var(--panel2);
  display: grid;
  place-items: center;
  font: 800 clamp(80px, 12vw, 140px) Syne, sans-serif;
  color: var(--text);
  letter-spacing: -0.06em;
}

.id-foot {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 6px;
  padding: 10px 6px 2px;
  color: var(--mute);
}

/* ============================================================
   General cards and grids
   ============================================================ */
.grid {
  display: grid;
  gap: 16px;
}

.g3 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 22px;
  transition: border-color 0.25s, box-shadow 0.25s;
}

.card:hover {
  border-color: color-mix(in srgb, var(--cy) 50%, transparent);
  box-shadow: 0 0 24px color-mix(in srgb, var(--cy) 15%, transparent);
}

.card h3 {
  font-size: 20px;
  margin: 8px 0;
}

.about-g {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 40px;
}

@media (max-width: 900px) {
  .about-g {
    grid-template-columns: 1fr;
  }
}

.about-g p + p {
  margin-top: 14px;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  row-gap: 8px;
  margin-top: 14px;
}

.tag {
  padding: 5px 12px;
  border-radius: 6px;
  background: var(--panel2);
  color: var(--body);
  font: 400 11px/1.5 "JetBrains Mono", monospace;
}

/* ============================================================
   Projects + filters
   ============================================================ */
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: -12px 0 24px;
}

.filters button {
  padding: 7px 13px;
  border-radius: 7px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--mute);
  font: 600 12px "JetBrains Mono", monospace;
  cursor: pointer;
}

.filters button.on {
  background: var(--cy);
  color: var(--ink);
  border-color: var(--cy);
}

.proj {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 14px;
}

.proj p {
  font-size: 14px;
}

.proj .foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}

.link {
  background: none;
  border: 0;
  color: var(--cy);
  font: 600 12px "JetBrains Mono", monospace;
  cursor: pointer;
  padding: 0;
}

.link:hover {
  text-decoration: underline;
}

/* ============================================================
   Journey timeline
   ============================================================ */
.tl {
  position: relative;
  padding-left: 30px;
  display: grid;
  gap: 30px;
}

.tl:before {
  content: "";
  position: absolute;
  left: 5px;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background: var(--line);
}

.tl > div {
  position: relative;
}

.tl > div:before {
  content: "";
  position: absolute;
  left: -30px;
  top: 5px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--c, var(--cy));
  box-shadow: 0 0 10px var(--c, var(--cy));
}

.tl h3 {
  font-size: 21px;
  margin: 4px 0 6px;
}

.tl p {
  max-width: 68ch;
}

/* ============================================================
   Contact + form
   ============================================================ */
.c-g {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 24px;
}

@media (max-width: 900px) {
  .c-g {
    grid-template-columns: 1fr;
  }
}

.chan {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

.chan:last-child {
  border: 0;
}

.chan span {
  color: var(--mute);
}

form {
  display: grid;
  gap: 14px;
}

.two {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

@media (max-width: 560px) {
  .two {
    grid-template-columns: 1fr;
  }

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

label {
  display: flex;
  justify-content: space-between;
  color: var(--mute);
  margin-bottom: 5px;
}

input,
textarea {
  width: 100%;
  padding: 11px 13px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--bg);
  color: var(--text);
  font: 400 14px "JetBrains Mono", monospace;
}

input:focus,
textarea:focus {
  outline: none;
  border-color: var(--cy);
  box-shadow: 0 0 0 1px var(--cy);
}

.bad {
  border-color: var(--err) !important;
}

.ok {
  color: var(--cy);
}

.msg {
  display: none;
  padding: 16px;
  border-radius: 10px;
  border: 1px solid var(--line);
}

.msg.show {
  display: block;
}

.msg.good {
  border-color: var(--cy);
}

.msg.fail {
  border-color: var(--err);
}

/* ============================================================
   Footer + modal + toast
   ============================================================ */
footer {
  border-top: 1px solid var(--line);
  padding: 30px 0 calc(30px + env(safe-area-inset-bottom, 0px));
  color: var(--mute);
}

footer .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: space-between;
  align-items: center;
}

footer a:hover {
  color: var(--cy);
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 18px;
  background: rgba(5, 6, 10, 0.85);
  backdrop-filter: blur(8px);
}

.modal.open {
  display: flex;
}

.sheet {
  max-width: 640px;
  width: 100%;
  max-height: 88vh;
  overflow: auto;
  background: var(--panel);
  border: 1px solid color-mix(in srgb, var(--cy) 40%, transparent);
  border-radius: 14px;
  padding: 26px;
  animation: up 0.25s ease;
}

@keyframes up {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
}

.sheet h3 {
  font-size: 26px;
  margin: 6px 0 16px;
}

.sheet h4 {
  font: 600 12px "JetBrains Mono", monospace;
  color: var(--vi);
  margin: 16px 0 4px;
}

.x {
  float: right;
}

#toasts {
  position: fixed;
  right: 18px;
  bottom: calc(18px + env(safe-area-inset-bottom, 0px));
  z-index: 90;
  display: grid;
  gap: 8px;
}

.toast {
  padding: 11px 16px;
  border-radius: 10px;
  background: var(--panel);
  border: 1px solid var(--cy);
  color: var(--text);
  font: 12px "JetBrains Mono", monospace;
  animation: up 0.25s;
}

.rv {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s, transform 0.6s;
}

.rv.in {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }

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

/* ============================================================
   Mobile + touch improvements
   ============================================================ */
button,
a.btn,
.link,
nav a {
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

.btn,
.filters button,
nav a {
  min-height: 40px;
}

@media (max-width: 980px) {
  nav.open {
    position: fixed;
    top: calc(68px + env(safe-area-inset-top, 0px));
    bottom: 0;
    left: 0;
    right: 0;
    overflow: auto;
    padding: 8px 18px calc(24px + env(safe-area-inset-bottom, 0px));
    gap: 0;
  }

  nav.open a {
    padding: 17px 6px;
    font-size: 15px;
    border-bottom: 1px solid var(--line);
    border-radius: 0;
    min-height: 52px;
    display: flex;
    align-items: center;
  }
}

@media (max-width: 700px) {
  body {
    font-size: 16px;
  }

  section {
    padding: 56px 0;
  }

  #hero {
    padding: 92px 0 40px;
  }

  .bar {
    height: 60px;
  }

  html {
    scroll-padding-top: calc(64px + env(safe-area-inset-top, 0px));
  }

  nav.open {
    top: calc(60px + env(safe-area-inset-top, 0px));
  }

  h1 {
    letter-spacing: -0.03em;
    margin: 18px 0 10px;
  }

  h2 {
    max-width: none;
    margin-bottom: 24px;
  }

  .lead {
    font-size: 16px;
  }

  .ctas {
    gap: 10px;
    margin: 22px 0;
  }

  .ctas .btn {
    flex: 1 1 100%;
    justify-content: center;
    min-height: 50px;
    font-size: 13px;
  }

  .stats {
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
  }

  .stat {
    padding: 10px;
  }

  .stat b {
    font-size: 19px;
  }

  .stat small {
    font-size: 11px;
    line-height: 1.3;
    display: block;
  }

  .avatar {
    aspect-ratio: 16 / 9;
    font-size: 84px;
  }

  .id-foot {
    flex-direction: column;
  }

  .card {
    padding: 18px;
  }

  .g3 {
    grid-template-columns: 1fr;
  }

  .filters {
    flex-wrap: nowrap;
    overflow-x: auto;
    margin: -8px -18px 20px;
    padding: 0 18px 4px;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
  }

  .filters::-webkit-scrollbar {
    display: none;
  }

  .filters button {
    white-space: nowrap;
    flex: 0 0 auto;
    min-height: 42px;
  }

  .proj .foot {
    padding-top: 6px;
  }

  .link {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
  }

  .tl {
    padding-left: 26px;
    gap: 24px;
  }

  .modal {
    align-items: flex-end;
    padding: 0;
  }

  .sheet {
    border-radius: 20px 20px 0 0;
    max-height: 92dvh;
    padding: 26px 18px calc(24px + env(safe-area-inset-bottom, 0px));
    animation: sheet 0.3s ease;
  }

  .sheet:before {
    content: "";
    display: block;
    width: 44px;
    height: 4px;
    border-radius: 4px;
    background: var(--line);
    margin: -12px auto 14px;
  }

  .x {
    min-height: 44px;
  }

  input,
  textarea {
    font-size: 16px;
    padding: 13px;
  }

  #send {
    min-height: 52px;
    font-size: 13px;
  }

  .brand {
    font-size: 11px;
  }

  #toasts {
    left: 14px;
    right: 14px;
    bottom: calc(14px + env(safe-area-inset-bottom, 0px));
  }

  footer .wrap {
    flex-direction: column;
    text-align: center;
    gap: 14px;
  }

  footer a {
    padding: 6px;
  }
}

@keyframes sheet {
  from {
    transform: translateY(40px);
    opacity: 0;
  }
}

@media (max-width: 360px) {
  .stats {
    grid-template-columns: 1fr;
  }

  .stat {
    display: flex;
    align-items: center;
    gap: 10px;
  }
}

@media (hover: none) {
  .btn:hover {
    transform: none;
  }

  .card:hover {
    box-shadow: none;
    border-color: var(--line);
  }
}

@media print {
  header,
  #toasts,
  .modal {
    display: none;
  }

  section {
    padding: 24px 0;
  }
}