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

:root {
  --bg: #0d0c12;
  --ink: #f5f4ff;
  --muted: #a49fbb;
  --line: rgba(184, 174, 233, 0.22);
  --card: rgba(19, 17, 29, 0.78);
  --brand: #7b5cff;
  --brand-soft: rgba(123, 92, 255, 0.18);
  --mono: "JetBrains Mono", monospace;
  --sans: "Manrope", -apple-system, BlinkMacSystemFont, sans-serif;
  --radius: 20px;
  --site-max: 980px;
  --site-gutter: 24px;
}

@media (min-width: 1200px) {
  :root {
    --site-max: 1180px;
    --site-gutter: 48px;
  }
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--sans);
  background: radial-gradient(ellipse 42% 70% at 0% 45%, rgba(123, 92, 255, 0.14), transparent 58%),
    radial-gradient(ellipse 38% 65% at 100% 38%, rgba(74, 212, 255, 0.1), transparent 52%),
    radial-gradient(circle at 20% 10%, #1b1730, transparent 40%),
    radial-gradient(circle at 90% 5%, #171d35, transparent 35%), var(--bg);
  color: var(--ink);
  line-height: 1.5;
  overflow-x: hidden;
}

/* Decorative rails on very wide viewports — fills “empty” side margins */
.side-rails {
  display: none;
}

@media (min-width: 1100px) {
  .side-rails {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 5;
    pointer-events: none;
  }

  .side-rail {
    position: absolute;
    top: 0;
    bottom: 0;
    width: 1px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1.25rem;
  }

  .side-rail--left {
    left: max(16px, calc((100vw - min(var(--site-max), calc(100% - var(--site-gutter)))) / 2 - 56px));
  }

  .side-rail--right {
    right: max(16px, calc((100vw - min(var(--site-max), calc(100% - var(--site-gutter)))) / 2 - 56px));
  }

  .side-rail__line {
    flex: 1;
    max-height: min(42vh, 320px);
    width: 1px;
    background: linear-gradient(
      180deg,
      transparent,
      rgba(184, 174, 233, 0.35) 18%,
      rgba(123, 92, 255, 0.45) 50%,
      rgba(184, 174, 233, 0.28) 82%,
      transparent
    );
  }

  .side-rail__text {
    font-family: var(--mono);
    font-size: 0.62rem;
    font-weight: 500;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    color: rgba(164, 159, 187, 0.42);
    writing-mode: vertical-rl;
    text-orientation: mixed;
    white-space: nowrap;
  }

  .side-rail--right .side-rail__text {
    writing-mode: vertical-lr;
  }
}

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  z-index: 120;
  background: rgba(255, 255, 255, 0.05);
}

#scroll-progress-bar {
  display: block;
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #7b5cff, #4ad4ff);
  transition: width 120ms linear;
}

#three-canvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  opacity: 0.3;
}

.noise {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: 0.2;
  background-image: radial-gradient(rgba(255, 255, 255, 0.08) 0.6px, transparent 0.6px);
  background-size: 3px 3px;
}

.top-nav {
  position: fixed;
  top: 24px;
  left: 50%;
  transform: translateX(-50%);
  width: min(var(--site-max), calc(100% - var(--site-gutter)));
  z-index: 50;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.9rem 1rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  backdrop-filter: blur(16px);
  background: rgba(18, 16, 28, 0.72);
}

.brand {
  text-decoration: none;
  color: var(--ink);
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.top-links {
  display: flex;
  align-items: center;
  gap: 1.4rem;
}

.top-links a {
  text-decoration: none;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 600;
}

.top-links a:hover {
  color: var(--ink);
}

.chat-pill {
  border: 1px solid var(--line);
  padding: 0.3rem 0.85rem;
  border-radius: 999px;
  background: rgba(123, 92, 255, 0.14);
}

.site {
  position: relative;
  z-index: 10;
  width: min(var(--site-max), calc(100% - var(--site-gutter)));
  margin: 110px auto 60px;
  display: grid;
  gap: 18px;
}

.site > section {
  scroll-margin-top: 110px;
}

.hero-panel,
.panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--card);
  backdrop-filter: blur(10px);
  transition: border-color 300ms ease, transform 350ms ease;
}

.hero-panel {
  padding: clamp(2rem, 6vw, 4rem);
  min-height: 70vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.eyebrow {
  font-family: var(--mono);
  color: var(--muted);
  font-size: 0.73rem;
  margin-bottom: 1rem;
  letter-spacing: 0.08em;
}

.hero-panel h1 {
  font-family: "DM Serif Display", Georgia, serif;
  font-size: clamp(2.5rem, 9vw, 6rem);
  line-height: 0.93;
  letter-spacing: -0.01em;
  margin-bottom: 1rem;
}

.lead {
  max-width: 650px;
  color: var(--muted);
  font-size: clamp(1rem, 2vw, 1.2rem);
  margin-bottom: 1rem;
}

.typing-line {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--brand);
  margin-bottom: 1.6rem;
}

.typing-prefix {
  color: var(--muted);
}

.contact-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-bottom: 1rem;
}

.contact-row a {
  color: var(--muted);
  text-decoration: none;
  font-family: var(--mono);
  font-size: 0.76rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.32rem 0.65rem;
  background: rgba(255, 255, 255, 0.02);
}

.contact-row a:hover {
  color: var(--ink);
  border-color: rgba(123, 92, 255, 0.5);
}

.hero-cta {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.btn-main,
.btn-subtle {
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 700;
  border-radius: 999px;
  padding: 0.68rem 1.15rem;
}

.btn-main {
  color: #fff;
  background: linear-gradient(120deg, #2f4dff, #455eff);
}

.btn-subtle {
  color: var(--ink);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
}

.panel {
  padding: 1.2rem;
}

.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 1.1rem;
  border-bottom: 1px dashed var(--line);
  padding-bottom: 0.6rem;
}

.panel-head p {
  font-size: 1.2rem;
  font-weight: 700;
}

.panel-head span {
  color: var(--muted);
  font-size: 0.85rem;
  font-family: var(--mono);
}

.panel-head a {
  color: var(--muted);
  font-size: 0.85rem;
  font-family: var(--mono);
  text-decoration: none;
}

.panel-head a:hover {
  color: var(--ink);
}

.repos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 0.85rem;
}

.repo-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1rem;
  text-decoration: none;
  color: inherit;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.repo-card:hover {
  transform: translateY(-3px);
  border-color: rgba(123, 92, 255, 0.5);
}

.repo-name {
  font-weight: 700;
  margin-bottom: 0.35rem;
}

.repo-desc {
  color: var(--muted);
  font-size: 0.88rem;
}

.repo-meta {
  margin-top: 0.8rem;
  display: flex;
  gap: 0.9rem;
  font-size: 0.75rem;
  color: var(--muted);
  font-family: var(--mono);
}

.repo-detail-link {
  margin-top: 0.7rem;
  font-size: 0.8rem;
  color: var(--ink);
  opacity: 0.85;
}

.about-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.8rem;
}

.about-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1rem;
}

.about-card h3 {
  font-size: 1.05rem;
  margin-bottom: 0.45rem;
}

.about-card p {
  color: var(--muted);
  font-size: 0.9rem;
}

.snapshot-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(165px, 1fr));
  gap: 0.7rem;
}

.dash-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 0.9rem;
}

.dash-k {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--muted);
}

.dash-v {
  font-size: 1.65rem;
  font-weight: 800;
  margin: 0.45rem 0;
}

.online {
  color: #42d392;
}

.dash-bar {
  height: 4px;
  border-radius: 99px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.08);
}

.dash-bar-fill {
  width: 0%;
  height: 100%;
  border-radius: 99px;
  background: linear-gradient(90deg, #7b5cff, #4ad4ff);
  transition: width 0.35s ease;
}

.dash-bar-full {
  width: 100%;
}

.graph-wrap {
  margin-top: 0.85rem;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.02);
  padding: 0.8rem;
}

.dash-sub {
  margin-top: 0.5rem;
  color: var(--muted);
  font-size: 0.78rem;
  font-family: var(--mono);
}

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

.logo-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-bottom: 0.75rem;
}

.logo-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.03);
  padding: 0.3rem 0.6rem;
}

.logo-pill img {
  width: 18px;
  height: 18px;
  border-radius: 5px;
}

.logo-pill span {
  font-size: 0.78rem;
  color: var(--muted);
  font-family: var(--mono);
}

.experience-item {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.02);
  padding: 1rem;
}

.experience-top {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  margin-bottom: 0.4rem;
}

.company-logo {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  padding: 0.2rem;
}

.experience-meta {
  display: flex;
  justify-content: space-between;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.75rem;
  margin-bottom: 0.5rem;
}

.experience-item h3 {
  font-size: 1.1rem;
  margin-bottom: 0.35rem;
}

.experience-item p {
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.6;
}

.stack-columns {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.7rem;
}

.stack-card {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.02);
  padding: 1rem;
}

.stack-card h3 {
  margin-bottom: 0.55rem;
  font-size: 1rem;
}

.chip-row {
  margin-top: 0.6rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.chip {
  font-size: 0.77rem;
  font-weight: 600;
  border: 1px solid var(--line);
  color: var(--ink);
  background: rgba(123, 92, 255, 0.12);
  padding: 0.34rem 0.58rem;
  border-radius: 999px;
}

.page-wrap {
  margin-top: 110px;
}

.filter-row {
  margin-bottom: 0.9rem;
}

.filter-row input {
  width: 100%;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  color: var(--ink);
  border-radius: 10px;
  padding: 0.7rem 0.85rem;
  font: inherit;
}

.back-link {
  text-decoration: none;
  color: var(--muted);
  font-size: 0.85rem;
  font-family: var(--mono);
}

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

.project-header {
  margin-top: 0.7rem;
}

.project-header h1 {
  font-family: "DM Serif Display", Georgia, serif;
  font-size: clamp(2rem, 7vw, 4.2rem);
  line-height: 0.95;
  margin: 0.4rem 0 0.9rem;
}

.project-links {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.readme-pre {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1rem;
  font-family: var(--mono);
  font-size: 0.8rem;
  white-space: pre-wrap;
  word-break: break-word;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.02);
  max-height: 520px;
  overflow: auto;
}

.reveal {
  opacity: 0;
  transform: translateY(26px) scale(0.99);
  transition: opacity 600ms ease, transform 700ms ease;
}

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

.reveal.visible.panel:hover {
  border-color: rgba(123, 92, 255, 0.45);
}

.showcase-section {
  min-height: auto;
}

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

.showcase-sticky {
  position: sticky;
  top: 120px;
  min-height: 340px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.03);
  padding: 1.2rem;
  overflow: hidden;
  transform: translateY(0);
  transition: border-color 300ms ease, transform 300ms ease, box-shadow 300ms ease;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.02);
}

.showcase-sticky h3 {
  font-size: 1.7rem;
  margin: 0.45rem 0 0.65rem;
}

.showcase-sticky p {
  color: var(--muted);
  max-width: 36ch;
}

.showcase-glow {
  position: absolute;
  right: -90px;
  top: -90px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(123, 92, 255, 0.35), transparent 70%);
  filter: blur(10px);
  pointer-events: none;
}

.showcase-steps {
  display: grid;
  gap: 1rem;
  align-content: start;
  padding-bottom: 1rem;
}

.showcase-step {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.02);
  padding: 1rem;
  min-height: 34vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  opacity: 0.45;
  transform: translateY(8px) scale(0.99);
  transition: opacity 320ms ease, transform 320ms ease, border-color 320ms ease,
    box-shadow 320ms ease;
}

.showcase-step span {
  font-family: var(--mono);
  color: var(--brand);
  font-size: 0.78rem;
}

.showcase-step h4 {
  margin: 0.35rem 0;
  font-size: 1.05rem;
}

.showcase-step p {
  color: var(--muted);
  font-size: 0.9rem;
}

.showcase-step.is-active {
  opacity: 1;
  transform: translateY(0) scale(1);
  border-color: rgba(123, 92, 255, 0.55);
  box-shadow: 0 14px 34px rgba(14, 12, 28, 0.45);
}

.showcase-sticky.theme-foundation {
  border-color: rgba(123, 92, 255, 0.4);
}

.showcase-sticky.theme-iterate {
  border-color: rgba(74, 212, 255, 0.55);
  box-shadow: 0 14px 34px rgba(34, 93, 110, 0.2);
}

.showcase-sticky.theme-polish {
  border-color: rgba(154, 118, 255, 0.55);
  box-shadow: 0 14px 34px rgba(67, 45, 110, 0.22);
}

.showcase-sticky.theme-impact {
  border-color: rgba(113, 255, 170, 0.45);
  box-shadow: 0 14px 34px rgba(42, 118, 93, 0.2);
}

#chatbot {
  position: fixed;
  right: 20px;
  bottom: 20px;
  width: 340px;
  z-index: 80;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: rgba(16, 14, 25, 0.92);
  backdrop-filter: blur(14px);
  box-shadow: 0 18px 60px rgba(35, 35, 45, 0.18);
  overflow: hidden;
  transition: 0.25s ease;
}

#chatbot.chatbot-hidden {
  opacity: 0;
  transform: translateY(12px) scale(0.97);
  pointer-events: none;
}

.chat-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--line);
  padding: 0.7rem 0.8rem;
  font-weight: 700;
  font-size: 0.88rem;
}

.chat-header button {
  border: 0;
  background: transparent;
  font-size: 1.2rem;
  cursor: pointer;
  color: var(--muted);
}

#chat-log {
  min-height: 220px;
  max-height: 290px;
  overflow: auto;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  padding: 0.7rem;
}

.chat-msg {
  font-size: 0.83rem;
  max-width: 88%;
  padding: 0.52rem 0.62rem;
  border-radius: 10px;
}

.chat-msg.user {
  align-self: flex-end;
  background: var(--brand-soft);
}

.chat-msg.bot {
  align-self: flex-start;
  background: rgba(255, 255, 255, 0.06);
}

.chat-input-wrap {
  border-top: 1px solid var(--line);
  display: flex;
  gap: 0.45rem;
  padding: 0.5rem;
}

#chat-input {
  flex: 1;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.55rem 0.65rem;
  font: inherit;
}

#chat-send {
  border: 0;
  border-radius: 8px;
  width: 40px;
  background: var(--brand);
  color: white;
  cursor: pointer;
}

@media (max-width: 760px) {
  .top-nav {
    padding: 0.65rem 0.9rem;
    top: 12px;
    width: calc(100% - 18px);
  }

  .top-links {
    gap: 0.75rem;
  }

  .top-links a {
    font-size: 0.78rem;
  }

  .site {
    margin-top: 80px;
    width: calc(100% - 18px);
  }

  .hero-panel h1 {
    font-size: clamp(2.1rem, 13vw, 3.2rem);
  }

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

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

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

  .showcase-section {
    min-height: auto;
  }

  .showcase-layout {
    grid-template-columns: 1fr;
  }

  .showcase-sticky {
    position: relative;
    top: auto;
    min-height: 280px;
  }

  .showcase-step {
    min-height: auto;
  }

  .logo-strip {
    gap: 0.45rem;
  }

  .contact-row {
    gap: 0.5rem;
  }

  .contact-row a {
    font-size: 0.72rem;
  }

  #chatbot {
    width: calc(100% - 18px);
    right: 9px;
    bottom: 10px;
  }
}