/*
  Herald tanitim sayfasi — statik CSS.

  Kontrol paneliyle ayni gorsel dili konusur: koyu lacivert zemin, ince cizgiler,
  monospace veri. Iki sinyal rengi var ve ikisinin de isi belli:
    - amber (signal) -> vurgu, eylem, "Herald tarafi"
    - camgobegi (trace) -> makine ciktisi, baglantilar
  Olculer Tailwind'in rem skalasiyla ayni tutuldu (1 birim = 0.25rem) ki panelle
  ayni ritim korunsun.
*/

/* ---------------------------------- fontlar --------------------------------- */

@font-face {
  font-family: 'IBM Plex Sans';
  font-style: normal;
  font-weight: 100 700;
  font-display: swap;
  src: url('./assets/fonts/ibm-plex-sans-latin-ext-wght-normal.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329,
    U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

@font-face {
  font-family: 'IBM Plex Sans';
  font-style: normal;
  font-weight: 100 700;
  font-display: swap;
  src: url('./assets/fonts/ibm-plex-sans-latin-wght-normal.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329,
    U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: 'IBM Plex Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('./assets/fonts/ibm-plex-mono-latin-ext-400-normal.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329,
    U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

@font-face {
  font-family: 'IBM Plex Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('./assets/fonts/ibm-plex-mono-latin-400-normal.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329,
    U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: 'IBM Plex Mono';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('./assets/fonts/ibm-plex-mono-latin-ext-500-normal.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329,
    U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

@font-face {
  font-family: 'IBM Plex Mono';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('./assets/fonts/ibm-plex-mono-latin-500-normal.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329,
    U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* --------------------------------- degiskenler ------------------------------ */

:root {
  --ink: #0b0e14;
  --panel: #121722;
  --line: #1e2637;
  --line-soft: #171e2c;
  --muted: #6b7a94;
  --paper: #dce3ee;
  --paper-dim: #a7b3c7;
  --signal: #f5a524;
  --signal-hover: #ffb63c;
  --trace: #4cc9f0;

  --font-sans: 'IBM Plex Sans', ui-sans-serif, system-ui, sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, 'SF Mono', monospace;
}

/* ----------------------------------- temel ---------------------------------- */

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

html {
  color-scheme: dark;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background-color: var(--ink);
  color: var(--paper);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;

  /* Osiloskop ekrani: zemin duz siyah degil, cok soluk bir izgara tasiyor. */
  background-image:
    linear-gradient(to right, rgba(30, 38, 55, 0.3) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(30, 38, 55, 0.3) 1px, transparent 1px);
  background-size: 64px 64px;
}

h1,
h2,
h3,
p,
ul,
ol,
figure {
  margin: 0;
}

ul,
ol {
  padding: 0;
  list-style: none;
}

a {
  color: inherit;
  text-decoration: none;
}

:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 3px;
}

::selection {
  background: rgba(245, 165, 36, 0.3);
}

pre {
  margin: 0;
}

/* Ekran okuyucuya gorunur, goze gorunmez. */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  top: -3rem;
  left: 1rem;
  z-index: 20;
  padding: 0.5rem 0.9rem;
  background: var(--signal);
  color: var(--ink);
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: 2px;
  transition: top 120ms ease;
}

.skip-link:focus {
  top: 1rem;
}

/* --------------------------------- yardimcilar ------------------------------ */

.shell {
  margin-inline: auto;
  width: 100%;
  max-width: 64rem;
  padding-inline: 1.5rem;
}

.section {
  border-top: 1px solid var(--line);
  padding-block: 5rem;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
}

.mono {
  font-family: var(--font-mono);
}

.xs {
  font-size: 0.75rem;
}

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

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

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

.paper-dim {
  color: var(--paper-dim);
}

.section-title {
  margin-top: 0.75rem;
  font-size: 1.875rem;
  line-height: 2.25rem;
  font-weight: 600;
  letter-spacing: -0.025em;
}

.section-lede {
  margin-top: 0.5rem;
  max-width: 42rem;
  color: var(--paper-dim);
}

.link-trace {
  color: var(--trace);
  text-decoration: underline;
  text-underline-offset: 4px;
  transition: color 120ms ease;
}

.link-trace:hover {
  color: var(--signal);
}

/* ----------------------------------- header --------------------------------- */

.site-header {
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 1rem;
}

.brand {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.3em;
  color: var(--signal);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  font-size: 0.875rem;
  color: var(--muted);
}

.site-nav a {
  transition: color 120ms ease;
}

.site-nav a:hover {
  color: var(--paper);
}

/* ------------------------------------ hero ---------------------------------- */

.hero {
  padding-top: 5rem;
  padding-bottom: 4rem;
}

.hero-grid {
  display: grid;
  align-items: center;
  gap: 3rem;
}

/* min-width:0 — monospace transkript izgarayi kapsayicidan tasirmasin. */
.hero-copy,
.terminal {
  min-width: 0;
}

.hero-title {
  margin-top: 1rem;
  font-size: 2.25rem;
  line-height: 1.1;
  font-weight: 600;
  letter-spacing: -0.025em;
}

.hero-lede {
  margin-top: 1.25rem;
  max-width: 28rem;
  font-size: 1.125rem;
  line-height: 1.75rem;
  color: var(--paper-dim);
}

.hero-actions {
  margin-top: 2rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
}

.btn {
  display: inline-block;
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 0.625rem 1.25rem;
  font-size: 0.875rem;
  transition: border-color 120ms ease, background-color 120ms ease;
}

.btn:hover {
  border-color: var(--muted);
}

.btn-signal {
  background-color: var(--signal);
  border-color: var(--signal);
  color: var(--ink);
  font-weight: 600;
}

.btn-signal:hover {
  background-color: var(--signal-hover);
  border-color: var(--signal-hover);
}

.hero-clients {
  margin-top: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  line-height: 1.625;
  text-wrap: balance;
  color: var(--muted);
}

/* ---------------------------------- terminal -------------------------------- */

.terminal {
  border: 1px solid var(--line);
  border-radius: 2px;
  background-color: var(--panel);
}

.terminal-bar {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  border-bottom: 1px solid var(--line);
  padding: 0.5rem 0.75rem;
}

.dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 9999px;
  background-color: var(--line);
}

.terminal-name {
  margin-left: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--muted);
}

.terminal-body {
  padding: 1rem;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.625;
}

.line {
  overflow-wrap: anywhere;
}

.line + .line {
  margin-top: 0.5rem;
}

.line-mark {
  color: var(--muted);
}

.line-user {
  color: var(--signal);
}

.line-tool {
  color: var(--trace);
}

.line-agent {
  color: var(--paper-dim);
}

.line-done {
  border-top: 1px solid var(--line-soft);
  padding-top: 0.75rem;
  color: var(--paper);
}

/* --------------------------------- platformlar ------------------------------ */

.platform-grid {
  margin-top: 2.5rem;
  display: grid;
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 2px;
  background-color: var(--line);
}

.platform {
  background-color: var(--panel);
  padding: 1.25rem;
}

.platform-name {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--signal);
}

.platform-items {
  margin-top: 1rem;
}

.platform-items li + li {
  margin-top: 0.75rem;
}

.platform-item {
  display: block;
  font-size: 0.875rem;
  color: var(--paper);
}

.platform-detail {
  display: block;
  margin-top: 0.125rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--muted);
}

.platform-note {
  margin-top: 1.5rem;
  max-width: 42rem;
  font-size: 0.875rem;
  color: var(--muted);
}

/* ---------------------------------- merdiven -------------------------------- */

.ladder {
  display: none;
  margin-top: 2.5rem;
  grid-template-columns: 1fr auto 1fr;
  column-gap: 1.5rem;
}

.ladder-head {
  padding-bottom: 1rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
}

.ladder-head-local {
  text-align: right;
  color: var(--muted);
}

.ladder-head-herald {
  color: var(--signal);
}

.ladder-local {
  padding-bottom: 2rem;
  text-align: right;
  font-size: 0.875rem;
  color: var(--paper-dim);
}

/* Sutunlar isin nerede yapildigini zaten soyluyor; noktalar sadece adimi isaretler. */
.ladder-rail {
  position: relative;
  display: flex;
  width: 2rem;
  justify-content: center;
}

.ladder-rail::before {
  content: '';
  position: absolute;
  top: 0.5rem;
  height: 100%;
  width: 1px;
  background-color: var(--line);
}

.ladder-rail-last::before {
  content: none;
}

.ladder-dot {
  position: relative;
  z-index: 10;
  margin-top: 0.25rem;
  width: 0.625rem;
  height: 0.625rem;
  border-radius: 9999px;
  border: 2px solid var(--signal);
  background-color: var(--signal);
}

.ladder-herald {
  padding-bottom: 2rem;
}

.ladder-tool {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--signal);
}

.ladder-text {
  margin-top: 0.25rem;
  font-size: 0.875rem;
  color: var(--paper-dim);
}

.ladder-mobile {
  margin-top: 2rem;
}

.ladder-mobile li {
  border-left: 2px solid var(--line);
  padding-left: 1rem;
}

.ladder-mobile li + li {
  margin-top: 1.25rem;
}

.ladder-mobile-text {
  margin-top: 0.375rem;
  font-size: 0.875rem;
  color: var(--paper-dim);
}

.ladder-mobile-text + .ladder-mobile-text {
  margin-top: 0.25rem;
}

.who {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
}

.who-local {
  color: var(--muted);
}

.who-herald {
  color: var(--signal);
}

/* ---------------------------------- kurulum --------------------------------- */

/* Onerilen yol: amber cerceve ile elle kurulumdan ayriliyor. */
.agent-install {
  margin-top: 2rem;
  border: 1px solid rgba(245, 165, 36, 0.35);
  border-radius: 2px;
  background-color: rgba(245, 165, 36, 0.04);
  padding: 1.25rem;
}

.agent-install-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.625rem;
}

.agent-install-title {
  font-size: 1.125rem;
  line-height: 1.75rem;
  font-weight: 500;
}

.agent-install-badge {
  border: 1px solid rgba(245, 165, 36, 0.4);
  border-radius: 2px;
  padding: 0.125rem 0.375rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--signal);
}

.agent-install-text {
  margin-top: 0.5rem;
  max-width: 42rem;
  font-size: 0.875rem;
  color: var(--paper-dim);
}

.agent-install-code {
  margin-top: 1rem;
}

.agent-install-note {
  margin-top: 0.75rem;
  max-width: 42rem;
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--muted);
}

.manual-heading {
  margin-top: 2.5rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--muted);
}

.tabs {
  margin-top: 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
}

.tab {
  border: 1px solid var(--line);
  border-radius: 2px;
  background: none;
  padding: 0.375rem 0.75rem;
  font-family: inherit;
  font-size: 0.875rem;
  color: var(--muted);
  cursor: pointer;
  transition: color 120ms ease, border-color 120ms ease, background-color 120ms ease;
}

.tab:hover {
  color: var(--paper-dim);
}

.tab.is-active {
  border-color: rgba(245, 165, 36, 0.5);
  background-color: rgba(245, 165, 36, 0.1);
  color: var(--signal);
}

.tab-panels {
  margin-top: 1rem;
}

.code-block {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 2px;
  background-color: var(--ink);
}

.code-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line-soft);
  padding: 0.375rem 0.75rem;
}

.code-lang,
.copy {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--muted);
}

.copy {
  border: 0;
  background: none;
  padding: 0;
  cursor: pointer;
  transition: color 120ms ease;
}

.copy:hover {
  color: var(--signal);
}

.code-block pre {
  overflow-x: auto;
  padding: 0.75rem;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.625;
  color: var(--paper-dim);
}

.install-note {
  margin-top: 0.75rem;
  font-size: 0.875rem;
  color: var(--muted);
}

.install-extra {
  margin-top: 3rem;
  display: grid;
  gap: 2rem;
  border-top: 1px solid var(--line);
  padding-top: 2.5rem;
}

.install-extra > * {
  min-width: 0;
}

.extra-title {
  font-size: 1.125rem;
  line-height: 1.75rem;
  font-weight: 500;
}

.extra-text {
  margin-top: 0.5rem;
  font-size: 0.875rem;
  color: var(--paper-dim);
}

.extra-code {
  margin-top: 0.75rem;
}

.verify {
  margin-top: 0.5rem;
  font-size: 0.875rem;
  color: var(--paper-dim);
}

.verify li {
  display: flex;
  gap: 0.75rem;
}

.verify li + li {
  margin-top: 0.75rem;
}

.verify-no {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--muted);
}

/* ----------------------------------- notlar --------------------------------- */

.notes {
  display: grid;
  gap: 2rem;
}

.note-title {
  font-size: 1rem;
  line-height: 1.5rem;
  font-weight: 500;
}

.note-text {
  margin-top: 0.5rem;
  font-size: 0.875rem;
  color: var(--paper-dim);
}

/* ----------------------------------- footer --------------------------------- */

.site-footer {
  border-top: 1px solid var(--line);
  padding-block: 2rem;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  font-size: 0.75rem;
  color: var(--muted);
}

.footer-inner a {
  transition: color 120ms ease;
}

.footer-inner a:hover {
  color: var(--paper);
}

/* --------------------------------- kirilimlar ------------------------------- */

@media (min-width: 640px) {
  .hero-title {
    font-size: 3rem;
    line-height: 1;
  }

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

@media (min-width: 768px) {
  .ladder {
    display: grid;
  }

  .ladder-mobile {
    display: none;
  }

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

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

@media (min-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr 1fr;
  }

  .platform-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}