:root {
  --bg: #08120d;
  --bg-soft: #0e1f16;
  --panel: #0b1912cc;
  --line: #19462f;
  --text: #c6ffd8;
  --muted: #86b597;
  --green: #50fa7b;
  --amber: #ffd37a;
  --shadow: 0 0 0 1px #173f2b, 0 18px 50px #00000088;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  min-height: 100%;
}

body {
  font-family: "JetBrains Mono", "Consolas", "Fira Code", monospace;
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 90% -10%, #173d2a 0%, transparent 60%),
    radial-gradient(900px 600px at -10% 110%, #0f3f24 0%, transparent 60%),
    linear-gradient(180deg, #07110c 0%, #060d0a 100%);
  line-height: 1.65;
  overflow-x: hidden;
}

.noise {
  pointer-events: none;
  position: fixed;
  inset: 0;
  opacity: 0.05;
  background-image: repeating-radial-gradient(circle at 0 0, #9be9b2 0 1px, transparent 1px 2px);
  z-index: -1;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 0.9rem 1.2rem;
  border-bottom: 1px solid #1a4e34;
  background: #05110bcf;
  backdrop-filter: blur(8px);
}

.brand {
  font-weight: 700;
  letter-spacing: 0.02em;
}

.prompt,
.path,
.symbol {
  color: var(--green);
}

.blink {
  color: var(--amber);
  animation: blink 1s steps(1, end) infinite;
}

nav {
  display: flex;
  gap: 0.3rem;
  flex-wrap: wrap;
}

nav a {
  color: var(--muted);
  text-decoration: none;
  padding: 0.25rem 0.55rem;
  border: 1px solid transparent;
  border-radius: 0.45rem;
}

nav a:hover {
  border-color: #1d5438;
  color: var(--text);
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.2rem;
  border: 1px solid #1d5438;
  border-radius: 0.55rem;
  background: #07160f;
}

.lang-btn {
  font: inherit;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--muted);
  background: transparent;
  border: 1px solid transparent;
  border-radius: 0.42rem;
  padding: 0.18rem 0.46rem;
  cursor: pointer;
  transition: color 120ms ease, border-color 120ms ease, background-color 120ms ease, transform 120ms ease;
}

.lang-btn:hover {
  color: var(--text);
  border-color: #2f7951;
  background: #0e2419;
}

.lang-btn.active {
  color: #052010;
  background: linear-gradient(180deg, #50fa7b, #39c763);
  border-color: #6fff94;
  font-weight: 700;
}

.lang-btn:focus-visible {
  outline: 2px solid #74ff9a;
  outline-offset: 1px;
}

main {
  width: min(1040px, 92%);
  margin: 2rem auto 3rem;
  display: grid;
  gap: 1.2rem;
}

.hero,
.card {
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow);
  border-radius: 12px;
  padding: 1.1rem;
}

.hero h1 {
  margin: 0.2rem 0 0.7rem;
  line-height: 1.15;
  font-size: clamp(1.5rem, 5vw, 3rem);
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  letter-spacing: 0.01em;
}

.domain {
  margin: 0;
  color: var(--amber);
  letter-spacing: 0.06em;
  font-size: 0.9rem;
}

.green {
  color: var(--green);
}

.hero-actions {
  margin-top: 1rem;
  display: flex;
  gap: 0.7rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 0.55rem 0.8rem;
  border-radius: 0.6rem;
  border: 1px solid #275d40;
  text-decoration: none;
  color: var(--text);
  background: #0a1f14;
}

.btn:hover {
  transform: translateY(-1px);
  border-color: #3c8f61;
}

.btn.primary {
  background: linear-gradient(180deg, #18462f, #113524);
  border-color: #43b06f;
}

[hidden] {
  display: none !important;
}

h2 {
  margin: 0 0 0.9rem;
  color: var(--green);
  font-size: 1.05rem;
}

h3 {
  margin: 0 0 0.7rem;
  color: #b6f8c9;
  font-size: 1rem;
}

.terminal-block {
  border: 1px solid #244d36;
  background: #08150f;
  border-radius: 8px;
  padding: 0.75rem;
  margin-bottom: 1rem;
}

.terminal-block p {
  margin: 0.2rem 0;
}

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

ul {
  margin: 0;
  padding-left: 1.1rem;
}

li {
  margin-bottom: 0.45rem;
}

.contact-list {
  display: grid;
  gap: 0.4rem;
}

.contact-list a {
  color: #b4ffd6;
  width: fit-content;
}

.mail-reveal {
  position: relative;
  width: fit-content;
}

.mail-trigger {
  font: inherit;
  color: #b4ffd6;
  background: transparent;
  border: 0;
  padding: 0;
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.mail-popup {
  position: absolute;
  left: 0;
  top: calc(100% + 0.25rem);
  font-size: 0.78rem;
  color: var(--text);
  background: #09160f;
  border: 1px solid #2c5d41;
  border-radius: 0.4rem;
  padding: 0.25rem 0.45rem;
  white-space: nowrap;
  box-shadow: 0 8px 20px #00000066;
}

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

footer {
  width: min(1040px, 92%);
  margin: 0 auto 2rem;
  color: var(--muted);
  font-size: 0.88rem;
}

.reveal {
  opacity: 0;
  transform: translateY(10px);
  animation: reveal 0.55s ease forwards;
}

.reveal:nth-child(2) {
  animation-delay: 0.1s;
}

.reveal:nth-child(3) {
  animation-delay: 0.16s;
}

.reveal:nth-child(4) {
  animation-delay: 0.22s;
}

@keyframes blink {
  0%,
  49% {
    opacity: 1;
  }
  50%,
  100% {
    opacity: 0;
  }
}

@keyframes reveal {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

@media (max-width: 640px) {
  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .lang-switch {
    margin-top: 0.15rem;
  }

  main {
    width: 94%;
    margin-top: 1rem;
  }

  .hero,
  .card {
    padding: 0.9rem;
  }

  nav a {
    padding: 0.2rem 0.5rem;
  }
}