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

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

:root {
  --teal: #2a8f8f;
  --teal-soft: #dceeee;
  --teal-mid: #7ec4c4;
  --red: #c45c5c;
  --red-soft: #f0dddd;
  --red-mid: #d98a8a;
}

body {
  background: #f2f2f2;
  font-family: 'Ubuntu Mono', monospace;
  color: #000000;
  min-height: 100vh;
  font-size: 15px;
  line-height: 1.5;
}

.container {
  display: flex;
  min-height: 100vh;
}

/* LEFT DIRECTORY */
.sidebar {
  width: 240px;
  background: #f2f2f2;
  border-right: 1px solid #000000;
  padding: 20px 16px;
  flex-shrink: 0;
}

.root {
  font-weight: bold;
  font-size: 15px;
  letter-spacing: 0.5px;
  margin-bottom: 22px;
  padding-bottom: 8px;
  border-bottom: 1px solid #000000;
  box-shadow: 0 1px 0 var(--teal-mid);
}

.dir-item {
  display: block;
  font-size: 15px;
  padding: 7px 10px;
  margin-bottom: 4px;
  border: 1px solid transparent;
  text-decoration: none;
  color: #000000;
}

.dir-item:hover {
  border: 1px solid var(--teal);
  background: var(--teal-soft);
}

.logo {
  display: block;
  width: 180px;
  height: auto;
  margin: 0 auto 28px auto;
}

.dir-item.active {
  border: 1px solid #000000;
  background: #000000;
  color: #ffffff;
  box-shadow: inset 3px 0 0 var(--red);
}

.folder {
  margin-right: 8px;
}

/* RIGHT MAIN AREA */
.main {
  flex: 1;
  padding: 50px 48px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.terminal {
  width: 100%;
  max-width: 640px;
  border: 1px solid #000000;
  border-radius: 12px;
  background: #f2f2f2;
  overflow: hidden;
  box-shadow:
    0 0 0 1px var(--teal-soft),
    0 2px 0 rgba(0, 0, 0, 0.06);
}

.terminal-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-bottom: 1px solid #000000;
  background: linear-gradient(to bottom, #ececec, #e2eaea);
}

.terminal-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 1px solid #000000;
  background: #f2f2f2;
}

.terminal-dot:nth-child(1) {
  background: var(--red-mid);
}

.terminal-dot:nth-child(3) {
  background: var(--teal-mid);
}

.terminal-title {
  margin-left: 8px;
  font-size: 13px;
  opacity: 0.75;
}

.terminal-body {
  padding: 22px 24px 20px;
}

.content {
  max-width: 100%;
}

.content p {
  margin-bottom: 16px;
}

.content ul {
  list-style: none;
  margin: 12px 0 20px 0;
}

.content li {
  margin-bottom: 6px;
}

.content li::before {
  content: "→ ";
  color: var(--teal);
}

.offer-title {
  font-weight: 700;
  margin-top: 20px;
  margin-bottom: 8px;
  border-left: 3px solid var(--teal-mid);
  padding-left: 10px;
}

.offer-title:first-of-type {
  margin-top: 8px;
}

/* Subtle homepage contact cue — easy to remove */
.home-soft-link {
  margin-top: 18px;
  margin-bottom: 0;
  font-size: 14px;
}

.home-soft-link a {
  color: #6a6a6a;
  text-decoration: none;
  border-bottom: 1px solid #c8c8c8;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.home-soft-link a:hover {
  color: var(--teal);
  border-bottom-color: var(--teal-mid);
}

.contact-link {
  color: var(--teal);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 1px solid var(--teal-mid);
}

.contact-link:hover {
  color: var(--red);
  border-bottom-color: var(--red-mid);
}

.company {
  font-size: 13px;
  margin-top: 28px;
  border-top: 1px solid #000000;
  box-shadow: 0 -1px 0 var(--red-mid);
  padding-top: 14px;
  display: inline-block;
}

/* Mobile */
@media (max-width: 700px) {
  .container {
    flex-direction: column;
  }
  .sidebar {
    width: 100%;
    border-right: none;
    border-bottom: 1px solid #000000;
  }
  .main {
    padding: 32px 20px;
  }
}