:root {
  --bg: #07100d;
  --bg-soft: #0b1813;
  --panel: rgba(8, 18, 14, 0.88);
  --panel-strong: rgba(11, 24, 19, 0.96);
  --line: rgba(127, 255, 190, 0.2);
  --line-strong: rgba(127, 255, 190, 0.42);
  --text: #e8fff2;
  --muted: #9fcab0;
  --green: #7fffbf;
  --amber: #ffd166;
  --red: #ff6b6b;
  --cyan: #70d6ff;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.42);
  --radius: 8px;
  --max: 1160px;
  --ease: cubic-bezier(0.2, 0.8, 0.2, 1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "JetBrains Mono", "Fira Code", ui-monospace, monospace;
  color: var(--text);
  background:
    radial-gradient(circle at 20% 0%, rgba(112, 214, 255, 0.12), transparent 32rem),
    radial-gradient(circle at 80% 15%, rgba(127, 255, 191, 0.14), transparent 34rem),
    linear-gradient(135deg, #050908 0%, var(--bg) 54%, #0b1511 100%);
  overflow-x: hidden;
  padding-bottom: 108px;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(127, 255, 190, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(127, 255, 190, 0.04) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.9), transparent 80%);
}

a {
  color: inherit;
}

button,
input,
textarea {
  font: inherit;
}

.matrix-rain {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
  opacity: 0.32;
  mask-image: linear-gradient(to bottom, #000 0%, rgba(0, 0, 0, 0.68) 42%, transparent 100%);
}

.matrix-column {
  position: absolute;
  top: -42vh;
  left: var(--x);
  display: grid;
  gap: 0.38rem;
  color: rgba(127, 255, 190, 0.34);
  font-size: var(--size);
  line-height: 1;
  text-shadow: 0 0 10px rgba(127, 255, 190, 0.24);
  opacity: var(--opacity);
  animation: matrixFall var(--duration) linear infinite;
  animation-delay: var(--delay);
}

.matrix-column span:first-child {
  color: rgba(232, 255, 242, 0.62);
  text-shadow: 0 0 14px rgba(127, 255, 190, 0.45);
}

.scanline {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 10;
  opacity: 0.28;
  background: repeating-linear-gradient(
    to bottom,
    rgba(255, 255, 255, 0.035) 0,
    rgba(255, 255, 255, 0.035) 1px,
    transparent 1px,
    transparent 4px
  );
}

.terminal-grid {
  position: fixed;
  inset: auto -10vw 0;
  height: 34vh;
  pointer-events: none;
  background:
    linear-gradient(to right, transparent 0 48%, rgba(127, 255, 190, 0.14) 50%, transparent 52%),
    repeating-linear-gradient(90deg, rgba(127, 255, 190, 0.1) 0 1px, transparent 1px 90px),
    repeating-linear-gradient(0deg, rgba(127, 255, 190, 0.1) 0 1px, transparent 1px 46px);
  transform: perspective(280px) rotateX(62deg);
  transform-origin: bottom;
  opacity: 0.3;
}

.site-header {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 18px;
  z-index: 20;
  padding: 0 clamp(16px, 4vw, 40px);
  pointer-events: none;
}

.shell-window {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}

.nav {
  position: relative;
  width: fit-content;
  max-width: min(var(--max), calc(100vw - 32px));
  margin: 0 auto;
  min-height: 58px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 10px 14px;
  pointer-events: auto;
  border-color: var(--line-strong);
  background:
    linear-gradient(180deg, rgba(127, 255, 190, 0.08), rgba(8, 18, 14, 0.9)),
    var(--panel-strong);
  box-shadow:
    0 18px 54px rgba(0, 0, 0, 0.58),
    inset 0 1px 0 rgba(232, 255, 242, 0.08);
}

.brand,
.nav-links a,
.nav-button,
.text-link,
.site-footer a {
  text-decoration: none;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  font-weight: 700;
  color: var(--green);
}

.brand span:last-child {
  white-space: nowrap;
}

.window-dots {
  display: inline-flex;
  gap: 7px;
  flex: 0 0 auto;
}

.window-dots i {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  display: block;
}

.window-dots i:nth-child(1) {
  background: var(--red);
}

.window-dots i:nth-child(2) {
  background: var(--amber);
}

.window-dots i:nth-child(3) {
  background: var(--green);
}

.icon {
  width: 33px;
  height: 33px;

  -webkit-mask-size: 60%;
  mask-size: 60%;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-links a,
.nav-button {
  color: var(--muted);
  padding: 10px 12px;
  border-radius: 6px;
  border: 0;
  background: transparent;
  cursor: pointer;
  transition: color 180ms var(--ease), background 180ms var(--ease);
}

.nav-links a:hover,
.nav-links a:focus-visible,
.nav-button:hover,
.nav-button:focus-visible,
.nav-links a[aria-current="page"] {
  color: var(--text);
  background: rgba(127, 255, 190, 0.1);
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: rgba(127, 255, 190, 0.08);
  color: var(--text);
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: currentColor;
}

main {
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.hero {
  min-height: calc(100vh - 78px);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(340px, 0.92fr);
  align-items: center;
  gap: clamp(28px, 5vw, 72px);
  padding: clamp(64px, 10vw, 112px) 0 56px;
}

.hero-copy h1,
.page-hero h1 {
  margin: 0;
  max-width: 780px;
  font-size: clamp(1.72rem, 4.9vw, 3.92rem);
  line-height: 0.98;
  letter-spacing: 0;
}

.hero-copy p:not(.eyebrow),
.page-hero p,
.about-panel p {
  color: var(--muted);
  line-height: 1.75;
  font-size: clamp(1rem, 1.8vw, 1.12rem);
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--green);
  text-transform: uppercase;
  letter-spacing: 0;
  font-size: 0.86rem;
  font-weight: 700;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  color: var(--text);
  background: rgba(232, 255, 242, 0.04);
  text-decoration: none;
  cursor: pointer;
  transition: transform 180ms var(--ease), border-color 180ms var(--ease), background 180ms var(--ease);
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-2px);
  border-color: var(--green);
  background: rgba(127, 255, 190, 0.1);
}

.btn.primary {
  color: #03100a;
  background: var(--green);
  border-color: var(--green);
  font-weight: 700;
}

.window-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 46px;
  padding: 0 14px;
  border-bottom: 1px solid var(--line);
  background: rgba(127, 255, 190, 0.055);
}

.window-title {
  margin-left: auto;
  color: var(--muted);
  font-size: 0.85rem;
}

.terminal-body {
  min-height: 330px;
  padding: 24px;
  color: var(--text);
  line-height: 1.75;
}

.terminal-body p {
  margin: 0 0 10px;
}

.terminal-body .prompt,
.project-command {
  color: var(--green);
  font-weight: 700;
}

.muted,
.project-card p {
  color: var(--muted);
}

.cursor::after {
  content: "";
  display: inline-block;
  width: 9px;
  height: 1.15em;
  margin-left: 6px;
  vertical-align: -0.2em;
  background: var(--green);
  animation: blink 900ms steps(2, jump-none) infinite;
}

.section {
  padding: clamp(52px, 8vw, 88px) 0;
}

.split {
  display: grid;
  grid-template-columns: 0.8fr 1fr;
  gap: clamp(24px, 5vw, 64px);
  align-items: start;
}

h2 {
  margin: 0;
  color: var(--text);
  font-size: clamp(1.8rem, 4vw, 3.2rem);
  line-height: 1.08;
  letter-spacing: 0;
}

.about-panel {
  padding: clamp(22px, 4vw, 34px);
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 28px 0 0;
}

.stats div,
.skill-group span {
  border: 1px solid var(--line);
  border-radius: 6px;
  background: rgba(127, 255, 190, 0.055);
}

.stats div {
  padding: 16px;
}

.stats dt {
  color: var(--green);
  font-size: 0.78rem;
  text-transform: uppercase;
}

.stats dd {
  margin: 8px 0 0;
  color: var(--text);
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 28px;
}

.text-link,
.site-footer a {
  color: var(--green);
  border-bottom: 1px solid rgba(127, 255, 190, 0.45);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.projects-grid.full {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.project-card {
  padding: 20px;
  min-height: 230px;
  display: flex;
  flex-direction: column;
  transition: transform 180ms var(--ease), border-color 180ms var(--ease), background 180ms var(--ease);
}

.project-card:hover {
  transform: translateY(-4px);
  border-color: var(--line-strong);
  background: var(--panel-strong);
}

.project-card h3 {
  margin: 18px 0 10px;
  font-size: 1.2rem;
  line-height: 1.35;
}

.project-card p {
  margin: 0;
  line-height: 1.65;
}

.project-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: auto;
  padding-top: 24px;
  color: var(--cyan);
  font-size: 0.82rem;
}

.project-meta span {
  border: 1px solid rgba(112, 214, 255, 0.24);
  border-radius: 999px;
  padding: 4px 8px;
}

.skill-marquee {
  position: relative;
  overflow: hidden;
  padding: 12px 0;
  border-color: var(--line-strong);
  background:
    linear-gradient(90deg, rgba(127, 255, 190, 0.08), transparent 22%, transparent 78%, rgba(127, 255, 190, 0.08)),
    var(--panel);
}

.skill-marquee::before,
.skill-marquee::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  width: 92px;
  z-index: 1;
  pointer-events: none;
}

.skill-marquee::before {
  left: 0;
  background: linear-gradient(90deg, rgba(8, 18, 14, 0.98), transparent);
}

.skill-marquee::after {
  right: 0;
  background: linear-gradient(270deg, rgba(8, 18, 14, 0.98), transparent);
}

.skill-track {
  display: flex;
  width: max-content;
  animation: marquee 26s linear infinite;
}

.skill-marquee:hover .skill-track {
  animation-play-state: paused;
}

.skill-group {
  display: flex;
  gap: 12px;
  padding-right: 12px;
}

.skill-group span {
  min-width: max-content;
  min-height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  color: var(--muted);
  box-shadow: inset 0 0 18px rgba(127, 255, 190, 0.035);
}

.skill-group span::before {
  content: ">";
  margin-right: 8px;
  color: var(--green);
}

.page-hero {
  padding: clamp(72px, 11vw, 120px) 0 24px;
}

.page-hero p {
  max-width: 720px;
}

.contact-layout {
  min-height: calc(100vh - 92px);
  display: grid;
  grid-template-columns: 0.78fr 1fr;
  align-items: center;
  gap: clamp(28px, 5vw, 70px);
  padding: 60px 0;
}

.contact-form,
form[name="contact"] {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
  overflow: hidden;
}

.form-body {
  display: grid;
  gap: 18px;
  padding: 24px;
}

.hidden-field {
  display: none;
}

.contact-form label,
form[name="contact"] label {
  display: grid;
  gap: 8px;
  color: var(--green);
}

.contact-form input,
.contact-form textarea,
form[name="contact"] input,
form[name="contact"] textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: rgba(0, 0, 0, 0.22);
  color: var(--text);
  padding: 13px 14px;
  resize: vertical;
}

.contact-form input:focus,
.contact-form textarea:focus,
form[name="contact"] input:focus,
form[name="contact"] textarea:focus {
  outline: none;
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(127, 255, 190, 0.11);
}

.contact-form input::placeholder,
.contact-form textarea::placeholder,
form[name="contact"] input::placeholder,
form[name="contact"] textarea::placeholder {
  color: rgba(159, 202, 176, 0.58);
}

.form-feedback {
  display: none;
  margin: 0;
  padding: 12px 14px;
  border-radius: 6px;
  line-height: 1.6;
}

.form-feedback.success,
.form-feedback.error {
  display: block;
}

.form-feedback.success {
  color: var(--green);
  background: rgba(127, 255, 190, 0.08);
  border: 1px solid var(--line);
}

.form-feedback.error {
  color: #ffb4b4;
  background: rgba(255, 107, 107, 0.08);
  border: 1px solid rgba(255, 107, 107, 0.3);
}

.site-footer {
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto;
  padding: 34px 0 48px;
  display: flex;
  justify-content: space-between;
  gap: 18px;
  color: var(--muted);
  position: relative;
  z-index: 1;
}

.about-modal {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: grid;
  place-items: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 220ms var(--ease), visibility 220ms var(--ease);
}

.about-modal.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  border: 0;
  background: rgba(2, 8, 6, 0.76);
  backdrop-filter: blur(8px);
  cursor: pointer;
}

.about-terminal {
  position: relative;
  width: min(780px, 100%);
  overflow: hidden;
  transform: translateY(18px) scale(0.98);
  opacity: 0;
  transition: transform 240ms var(--ease), opacity 240ms var(--ease);
}

.about-modal.is-open .about-terminal {
  transform: translateY(0) scale(1);
  opacity: 1;
}

.about-terminal .terminal-body {
  min-height: 390px;
}

.terminal-close {
  width: 34px;
  height: 34px;
  margin-left: 8px;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.04);
  cursor: pointer;
}

.terminal-close:hover,
.terminal-close:focus-visible {
  color: var(--text);
  border-color: var(--green);
}

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 520ms var(--ease), transform 520ms var(--ease);
}

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

@keyframes blink {
  50% {
    opacity: 0;
  }
}

@keyframes marquee {
  to {
    transform: translateX(-50%);
  }
}

@keyframes matrixFall {
  to {
    transform: translateY(150vh);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }

  .matrix-rain {
    display: none;
  }
}

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

  .hero {
    padding-top: 56px;
  }

  .hero-terminal {
    order: -1;
  }

  .terminal-body {
    min-height: 260px;
  }

  .projects-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 680px) {
  .matrix-rain {
    opacity: 0.2;
  }

  .matrix-column:nth-child(n + 18) {
    display: none;
  }

  .site-header {
    bottom: 10px;
    padding-inline: 10px;
  }

  main,
  .site-footer {
    width: min(100% - 24px, var(--max));
  }

  .nav {
    width: min(100%, 520px);
    min-height: 56px;
    gap: 8px;
    padding: 8px;
  }

  .brand {
    gap: 0;
  }

  .brand span:last-child {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
  }

  .menu-toggle {
    display: none;
  }

  .nav-links {
    display: flex;
    flex: 1;
    justify-content: flex-end;
    min-width: 0;
  }

  .nav-links a,
  .nav-button {
    flex: 0 1 auto;
    min-width: 0;
    padding: 10px 8px;
    font-size: clamp(0.72rem, 3.3vw, 0.9rem);
    text-align: center;
  }

  .hero-copy h1,
  .page-hero h1 {
    font-size: clamp(1.65rem, 9.1vw, 2.87rem);
  }

  .hero-actions,
  .section-heading,
  .site-footer {
    align-items: stretch;
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

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

  .skill-marquee::before,
  .skill-marquee::after {
    width: 38px;
  }

  .terminal-body,
  .form-body {
    padding: 18px;
  }
}