/* Distributed Agent Language — black-dot homepage */

:root {
  --black: #000000;
  --ink: #0a0a0a;
  --white: #ffffff;
  --white-92: rgba(255, 255, 255, 0.92);
  --white-70: rgba(255, 255, 255, 0.7);
  --white-40: rgba(255, 255, 255, 0.4);
  --white-18: rgba(255, 255, 255, 0.18);
  --white-10: rgba(255, 255, 255, 0.1);
  --hairline: rgba(255, 255, 255, 0.14);
  --font: "Outfit", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --max: 1080px;
  --measure: 40rem;
  --space-2: 0.65rem;
  --space-3: 1rem;
  --space-4: 1.5rem;
  --space-5: 2.5rem;
  --space-6: 3.5rem;
  --pad-x: clamp(1.15rem, 3.5vw, 2rem);
}

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

html {
  color-scheme: dark;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--black);
  color: var(--white-92);
  font-family: var(--font);
  font-size: 15px;
  font-weight: 400;
  line-height: 1.55;
  letter-spacing: -0.01em;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.dal-dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--white);
  flex-shrink: 0;
}

.dal-dot--xs {
  width: 5px;
  height: 5px;
}

/* ——— Header / nav ——— */

header {
  background: var(--black);
  border-bottom: 1px solid var(--white-10);
  color: var(--white);
  padding: 0.85rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: none;
}

nav {
  width: min(100%, var(--max));
  margin: 0 auto;
  padding: 0 var(--pad-x);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-3);
}

.logo {
  font-size: 0.95rem;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  letter-spacing: 0.02em;
  color: var(--white);
  white-space: nowrap;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
  justify-content: flex-end;
}

.nav-links a {
  color: var(--white-70);
  text-decoration: none;
  font-weight: 400;
  font-size: 0.85rem;
  border-bottom: 0;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: var(--white);
  opacity: 1;
}

/* ——— Hero (one viewport composition) ——— */

.hero {
  background: var(--black);
  color: var(--white);
  padding: 0;
  text-align: left;
  position: relative;
  overflow: hidden;
  min-height: calc(100svh - 6.5rem);
  display: flex;
  align-items: center;
  justify-content: flex-start;
  border-bottom: 1px solid var(--white-10);
}

.hero::before {
  display: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(100%, var(--max));
  margin: 0 auto;
  padding: var(--space-5) var(--pad-x);
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  grid-template-areas:
    "copy terminal"
    "actions terminal";
  gap: clamp(1.25rem, 3vw, 2.5rem) clamp(1.5rem, 4vw, 3rem);
  align-items: center;
}

.hero-copy {
  grid-area: copy;
  min-width: 0;
}

.hero-terminal {
  grid-area: terminal;
}

.hero-actions {
  grid-area: actions;
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  align-self: start;
}

.hero-terminal {
  min-width: 0;
  align-self: start;
  border: 1px solid var(--hairline);
  background: var(--ink);
  overflow: hidden;
}

.hero-terminal__chrome {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 0.85rem;
  border-bottom: 1px solid var(--white-10);
  background: var(--black);
}

.code-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  display: inline-block;
}

.code-dot.red { background: #ff5f56; }
.code-dot.yellow { background: #ffbd2e; }
.code-dot.green { background: #27c93f; }

.hero-terminal__title {
  margin-left: 0.35rem;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--white-40);
}

.hero-terminal__screen {
  margin: 0;
  padding: 0.85rem 1rem 1rem;
  max-height: min(48vh, 20rem);
  overflow: auto;
  font-family: var(--font);
  font-size: 0.78rem;
  line-height: 1.55;
  color: var(--white-70);
  white-space: pre-wrap;
  word-break: break-word;
  position: relative;
}

.hero-terminal__screen code {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  white-space: pre-wrap;
}

.hero-terminal__cursor {
  display: inline-block;
  width: 0.45em;
  height: 1em;
  margin-left: 1px;
  vertical-align: -0.1em;
  background: var(--white);
  animation: hero-cursor 1s steps(1) infinite;
}

.t-ghost-cursor {
  display: inline-block;
  width: 0.4em;
  height: 1em;
  margin-left: 1px;
  vertical-align: -0.1em;
  background: var(--white-70);
}

@keyframes hero-cursor {
  50% { opacity: 0; }
}

.t-prompt {
  color: var(--white-40);
}

.t-cmd {
  color: #7eb8ff;
}

.t-flag {
  color: #d4b3ff;
}

.t-out {
  color: #9ddea8;
}

.version-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--white-40);
  background: transparent;
  border: 0;
  padding: 0;
  margin-bottom: var(--space-3);
  border-radius: 0;
}

.hero h1 {
  font-size: clamp(2.1rem, 5.5vw, 3.4rem);
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -0.035em;
  margin: 0 0 var(--space-3);
  max-width: 14ch;
  color: var(--white);
}

.hero-copy > p {
  margin: 0;
  max-width: var(--measure);
  color: var(--white-70);
  font-size: 1.05rem;
}

.hero-kicker {
  margin-top: var(--space-2) !important;
  font-size: 0.95rem !important;
  color: var(--white-40) !important;
  opacity: 1 !important;
}

/* ——— Buttons ——— */

.btn,
button.btn {
  font: inherit;
  cursor: pointer;
  appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--white);
  background: var(--white);
  color: var(--black);
  padding: 0.55rem 1.05rem;
  letter-spacing: 0.03em;
  font-weight: 500;
  border-radius: 0;
  text-decoration: none;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
  box-shadow: none;
}

.btn:hover,
button.btn:hover {
  background: transparent;
  color: var(--white);
}

.btn-secondary {
  background: transparent;
  color: var(--white);
  border-color: var(--hairline);
}

.btn-secondary:hover {
  border-color: var(--white);
  background: transparent;
  color: var(--white);
}

/* ——— Sections ——— */

.installation,
.quick-start,
.features,
.home-articles,
.cta {
  width: min(100%, var(--max));
  margin: 0 auto;
  padding: var(--space-6) var(--pad-x);
  border-bottom: 1px solid var(--white-10);
  background: transparent;
}

.section-title {
  font-size: clamp(1.35rem, 2.5vw, 1.75rem);
  font-weight: 400;
  letter-spacing: -0.03em;
  color: var(--white);
  margin: 0 0 var(--space-2);
  text-align: left;
}

.section-subtitle {
  color: var(--white-40);
  margin: 0 0 var(--space-5);
  font-size: 0.95rem;
  text-align: left;
}

/* Tabs */
.tabs {
  display: flex;
  flex-wrap: nowrap;
  gap: 0;
  border-bottom: 1px solid var(--white-10);
  margin: 0 0 var(--space-4);
  background: transparent;
  padding: 0;
  border-radius: 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.tab {
  font: inherit;
  cursor: pointer;
  background: transparent;
  border: 0;
  border-bottom: 2px solid transparent;
  color: var(--white-40);
  padding: 0.7rem 1rem;
  margin-bottom: -1px;
  border-radius: 0;
  font-weight: 500;
  font-size: 0.9rem;
  white-space: nowrap;
  flex: 0 0 auto;
}

.tab:hover {
  color: var(--white-70);
}

.tab.active {
  color: var(--white);
  border-bottom-color: var(--white);
  background: transparent;
  box-shadow: none;
}

.tab-content {
  display: none;
  min-width: 0;
  max-width: 100%;
}

.tab-content.active {
  display: block;
}

.install-methods {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  min-width: 0;
}

.install-card,
.feature,
.home-article-card {
  background: transparent;
  border: 1px solid var(--hairline);
  border-radius: 0;
  padding: var(--space-4);
  box-shadow: none;
  min-width: 0;
  max-width: 100%;
}

.install-card h3 {
  margin: 0 0 var(--space-2);
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--white);
}

.install-card p {
  color: var(--white-70);
  margin: 0 0 var(--space-3);
  max-width: var(--measure);
  overflow-wrap: break-word;
}

.install-card a {
  color: var(--white);
  border-bottom: 1px solid var(--white-40);
  text-decoration: none;
}

.install-card a:hover {
  border-bottom-color: var(--white);
}

.installation .install-card > :last-child {
  margin-bottom: 0;
}

.code-block {
  position: relative;
  background: var(--ink);
  border: 1px solid var(--hairline);
  border-radius: 0;
  padding: 0.9rem 1rem;
  padding-right: 4.25rem;
  margin: 0 0 var(--space-3);
  max-width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.code-block code {
  font-family: var(--font);
  font-size: 0.84rem;
  line-height: 1.55;
  color: #9ddea8;
  white-space: pre;
  display: block;
  max-width: 100%;
  overflow-wrap: normal;
  word-break: normal;
}

.copy-btn {
  position: absolute;
  top: 0.45rem;
  right: 0.45rem;
  z-index: 1;
  font: inherit;
  font-size: 0.75rem;
  cursor: pointer;
  border: 1px solid var(--hairline);
  background: var(--black);
  color: var(--white-70);
  padding: 0.3rem 0.55rem;
  border-radius: 0;
}

.copy-btn:hover,
.copy-btn.copied {
  border-color: var(--white);
  color: var(--white);
  background: var(--black);
}

.quick-start .section-subtitle {
  margin-bottom: var(--space-4);
}

.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--white-10);
  border: 1px solid var(--white-10);
}

.step {
  background: var(--black);
  border: 0;
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  min-width: 0;
}

.step-num {
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--white-40);
}

.step h3 {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--white);
  letter-spacing: -0.02em;
}

.step p {
  margin: 0;
  color: var(--white-40);
  font-size: 0.88rem;
  max-width: none;
}

.step .code-block {
  margin: 0;
  flex: 1;
}

.step code:not(.code-block code) {
  font-family: var(--font);
  font-size: 0.88em;
  color: var(--white-70);
}

.features {
  padding-top: var(--space-5);
  padding-bottom: var(--space-5);
}

.features .section-subtitle {
  margin-bottom: var(--space-4);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 1px;
  background: var(--white-10);
  border: 1px solid var(--white-10);
}

.feature {
  background: var(--black);
  border: 0;
  padding: 0.85rem 0.95rem;
}

.feature h3 {
  margin: 0 0 0.35rem;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--white);
  letter-spacing: -0.01em;
}

.feature p {
  margin: 0;
  color: var(--white-40);
  font-size: 0.8rem;
  line-height: 1.4;
}

.home-articles {
  padding-top: var(--space-5);
  padding-bottom: var(--space-5);
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}

.section-head .section-title {
  margin-bottom: var(--space-2);
}

.section-head .section-subtitle {
  margin-bottom: 0;
}

.section-head__link {
  flex-shrink: 0;
  color: var(--white-40);
  text-decoration: none;
  font-size: 0.88rem;
  border-bottom: 1px solid transparent;
  margin-bottom: 0.15rem;
}

.section-head__link:hover {
  color: var(--white);
  border-bottom-color: var(--white-40);
}

.home-articles-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--white-10);
  border: 1px solid var(--white-10);
}

.home-article-card {
  background: var(--black);
  border: 0;
  padding: 1rem 1.1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  min-height: 0;
}

.home-article-card .title {
  color: var(--white);
  text-decoration: none;
  border-bottom: 0;
  font-weight: 500;
  font-size: 0.95rem;
  line-height: 1.35;
  letter-spacing: -0.01em;
}

.home-article-card .title:hover {
  opacity: 0.8;
}

.home-article-card .more {
  margin-top: auto;
  color: var(--white-40);
  text-decoration: none;
  border-bottom: 0;
  font-size: 0.82rem;
}

.home-article-card .more:hover {
  color: var(--white);
}

.cta {
  text-align: left;
  border-bottom: 0;
}

.cta h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 400;
  letter-spacing: -0.03em;
  margin: 0 0 var(--space-3);
  max-width: 16ch;
}

.cta p {
  color: var(--white-70);
  max-width: var(--measure);
  margin: 0 0 var(--space-4);
}

.cta .btn,
.cta button.btn {
  margin: 0 0.45rem 0.45rem 0;
}

footer {
  width: min(100%, var(--max));
  margin: 0 auto;
  padding: var(--space-5) var(--pad-x) var(--space-6);
  border-top: 1px solid var(--white-10);
  color: var(--white-40);
  font-size: 0.85rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  margin-bottom: var(--space-3);
}

.footer-links a,
.discord-link {
  color: var(--white-40);
  text-decoration: none;
  border-bottom: 0;
}

.footer-links a:hover,
.discord-link:hover {
  color: var(--white);
}

/* Toast / modal */
.toast {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  background: var(--ink);
  color: var(--white);
  border: 1px solid var(--hairline);
  border-left: 3px solid var(--white);
  padding: 0.75rem 1rem;
  opacity: 0;
  transform: translateY(8px);
  transition: 0.25s ease;
  pointer-events: none;
  z-index: 1000;
}

.toast.show {
  opacity: 1;
  transform: none;
}

.modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.modal-content {
  background: var(--black);
  border: 1px solid var(--hairline);
  width: min(100%, 420px);
  padding: 1.25rem;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-3);
  padding-bottom: var(--space-2);
  border-bottom: 1px solid var(--white-10);
}

.modal-header h3 {
  margin: 0;
  font-weight: 500;
  font-size: 1.05rem;
}

.modal-close {
  background: transparent;
  border: 0;
  color: var(--white-70);
  font-size: 1.5rem;
  cursor: pointer;
  line-height: 1;
}

.modal-lead {
  color: var(--white-70);
  margin: 0 0 var(--space-3);
  font-size: 0.92rem;
}

.form-group {
  margin-bottom: 0.75rem;
}

.form-group label {
  display: block;
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--white-40);
  margin-bottom: 0.3rem;
}

.form-group input {
  width: 100%;
  font: inherit;
  color: var(--white);
  background: var(--ink);
  border: 1px solid var(--hairline);
  padding: 0.5rem 0.65rem;
}

.form-group input:focus {
  outline: none;
  border-color: var(--white);
}

.modal-actions {
  display: flex;
  gap: 0.5rem;
  justify-content: flex-end;
  margin-top: var(--space-3);
}

.modal-cancel-btn,
.modal-submit-btn {
  font: inherit;
  cursor: pointer;
  padding: 0.5rem 1rem;
  border-radius: 0;
}

.modal-cancel-btn {
  background: transparent;
  border: 1px solid var(--hairline);
  color: var(--white);
}

.modal-submit-btn {
  background: var(--white);
  border: 1px solid var(--white);
  color: var(--black);
}

.modal-submit-btn:hover {
  background: transparent;
  color: var(--white);
}

@media (max-width: 1100px) {
  .features-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

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

  .features-grid,
  .home-articles-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .section-head {
    flex-direction: column;
    align-items: flex-start;
  }

  header {
    top: 0;
  }
}

@media (max-width: 960px) {
  .hero {
    min-height: auto;
  }

  .hero-content {
    padding-top: var(--space-4);
    padding-bottom: var(--space-5);
    grid-template-columns: 1fr;
    grid-template-areas:
      "copy"
      "terminal"
      "actions";
  }

  .hero-terminal__screen {
    max-height: 14rem;
  }
}

@media (max-width: 720px) {
  nav {
    flex-direction: column;
    align-items: flex-start;
  }

  .features-grid,
  .home-articles-grid {
    grid-template-columns: 1fr;
  }

  .installation {
    padding: var(--space-4) var(--pad-x);
  }

  .installation .tabs {
    margin-left: calc(-1 * var(--pad-x));
    margin-right: calc(-1 * var(--pad-x));
    padding-left: var(--pad-x);
    padding-right: var(--pad-x);
  }

  .installation .tab {
    padding: 0.6rem 0.75rem;
    font-size: 0.8rem;
  }

  .installation .install-methods {
    gap: var(--space-3);
  }

  .installation .install-card {
    padding: var(--space-3);
  }

  .installation .install-card h3 {
    font-size: 0.95rem;
  }

  .installation .install-card p {
    font-size: 0.88rem;
    max-width: none;
  }

  .installation .code-block {
    padding: 0.75rem 0.8rem;
    padding-right: 3.75rem;
    margin-bottom: var(--space-2);
  }

  .installation .code-block code {
    font-size: 0.74rem;
    line-height: 1.5;
  }

  .installation .copy-btn {
    top: 0.35rem;
    right: 0.35rem;
    font-size: 0.7rem;
    padding: 0.25rem 0.45rem;
  }
}

@media (max-width: 420px) {
  .installation .tab {
    padding: 0.55rem 0.6rem;
    font-size: 0.74rem;
  }

  .installation .code-block code {
    font-size: 0.7rem;
  }
}

@media (min-width: 721px) {
  #package .install-methods {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  #binary .install-methods {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}