/* =========================================================
   imweb-ai-toolkit · marketing site
   Operator-grade landing. Yellow accent (#FFAA00) tied to imweb logo.
   Responsive: 320px → 1440px+
   ========================================================= */

:root {
  --paper: #FAF8F2;
  --paper-2: #F1EEE2;
  --line: #E2DDC8;
  --line-strong: #14130F;
  --ink: #14130F;
  --ink-2: #3A3833;
  --ink-3: #6B6960;
  --ink-4: #9A988F;

  --signal: #FFAA00;
  --signal-2: #E69900;
  --signal-soft: #FFE9B0;
  --signal-bg: #FFF6DD;

  --paper-card: #FFFFFF;

  --f-display: "Inter Tight", "Inter", system-ui, sans-serif;
  --f-body: "Inter", system-ui, sans-serif;
  --f-mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;

  --max: 1240px;
  --pad-x: clamp(20px, 4vw, 56px);
  --r: 4px;
  --r-lg: 6px;

  --topbar-h: 64px;
  --ctrl-h: 36px;
}

html[lang="ko"] {
  --f-body: "Inter", "Noto Sans KR", system-ui, sans-serif;
  --f-display: "Inter Tight", "Noto Sans KR", "Inter", system-ui, sans-serif;
}
html[lang="ja"] {
  --f-body: "Inter", "Noto Sans JP", system-ui, sans-serif;
  --f-display: "Inter Tight", "Noto Sans JP", "Inter", system-ui, sans-serif;
}
html[lang="zh"] {
  --f-body: "Inter", "Noto Sans SC", system-ui, sans-serif;
  --f-display: "Inter Tight", "Noto Sans SC", "Inter", system-ui, sans-serif;
}
html[lang="ko"] .h1, html[lang="ja"] .h1, html[lang="zh"] .h1 {
  font-size: clamp(34px, 5.4vw, 70px);
  letter-spacing: -0.02em;
}
html[lang="ko"] .h2, html[lang="ja"] .h2, html[lang="zh"] .h2 {
  letter-spacing: -0.015em;
}

* { box-sizing: border-box; }
html, body {
  margin: 0;
  padding: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--f-body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
body {
  background-image:
    linear-gradient(to right, rgba(20,19,15,0.035) 1px, transparent 1px);
  background-size: 80px 100%;
}
::selection { background: var(--signal); color: var(--ink); }
a { color: var(--ink); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }
code, .mono { font-family: var(--f-mono); }
code {
  background: var(--paper-2);
  border: 1px solid var(--line);
  padding: 0.05em 0.4em;
  border-radius: 3px;
  font-size: 0.88em;
  word-break: break-word;
}
img { max-width: 100%; display: block; }

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding-left: var(--pad-x);
  padding-right: var(--pad-x);
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--f-mono);
  font-weight: 500;
  font-size: 13px;
  letter-spacing: 0.01em;
  padding: 0 16px;
  height: var(--ctrl-h);
  line-height: 1;
  border-radius: var(--r);
  border: 1px solid transparent;
  text-decoration: none !important;
  cursor: pointer;
  white-space: nowrap;
  box-sizing: border-box;
  transition: transform 0.08s ease, background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}
.btn-lg { padding: 0 22px; height: 48px; font-size: 14px; }
.btn-primary { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.btn-primary:hover { background: var(--signal); color: var(--ink); border-color: var(--signal); }
.btn-primary:active { transform: translateY(1px); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line-strong); }
.btn-ghost:hover { background: var(--ink); color: var(--paper); }

/* ===== Topbar ===== */
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(250, 248, 242, 0.88);
  backdrop-filter: saturate(180%) blur(10px);
  -webkit-backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.topbar-inner {
  display: flex;
  align-items: center;
  gap: 16px;
  height: var(--topbar-h);
  min-width: 0;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--f-mono);
  font-weight: 600;
  font-size: 14px;
  color: var(--ink);
  flex-shrink: 0;
  min-width: 0;
}
.brand:hover { text-decoration: none; }
.brand-logo {
  width: 38px;
  height: 28px;
  object-fit: contain;
  flex-shrink: 0;
}
.brand-name {
  white-space: nowrap;
}
.topnav {
  display: flex;
  gap: 22px;
  margin-left: 16px;
  font-family: var(--f-mono);
  font-size: 13px;
  color: var(--ink-2);
}
.topnav a:hover { color: var(--ink); text-decoration: none; }
.topbar-cta {
  margin-left: auto;
  display: flex;
  gap: 8px;
  align-items: center;
  min-width: 0;
}
.btn-docs-desktop { display: none; }
@media (min-width: 1100px) {
  .btn-docs-desktop { display: inline-flex; }
}
@media (max-width: 1020px) {
  .topnav { display: none; }
}

/* Mobile menu toggle (hamburger) */
.menu-toggle {
  display: none;
  width: var(--ctrl-h); height: var(--ctrl-h);
  align-items: center; justify-content: center;
  background: transparent;
  border: 1px solid var(--line-strong);
  border-radius: var(--r);
  cursor: pointer;
  padding: 0;
  flex-shrink: 0;
  box-sizing: border-box;
}
.menu-icon {
  display: inline-flex;
  flex-direction: column;
  gap: 4px;
  width: 16px;
}
.menu-icon span {
  display: block;
  height: 2px;
  background: var(--ink);
  border-radius: 1px;
  transition: transform 0.18s ease, opacity 0.18s ease;
}
.menu-toggle[aria-expanded="true"] .menu-icon span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}
.menu-toggle[aria-expanded="true"] .menu-icon span:nth-child(2) {
  opacity: 0;
}
.menu-toggle[aria-expanded="true"] .menu-icon span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}
@media (max-width: 1020px) {
  .menu-toggle { display: inline-flex; }
}

/* Mobile drawer */
.mobile-menu {
  position: fixed;
  top: var(--topbar-h);
  left: 0; right: 0;
  background: var(--paper);
  border-bottom: 1px solid var(--line-strong);
  z-index: 49;
  box-shadow: 0 18px 24px -16px rgba(20,19,15,0.18);
}
.mobile-menu[hidden] { display: none; }
.mobile-nav {
  display: flex;
  flex-direction: column;
  padding: 8px var(--pad-x) 20px;
  gap: 0;
}
.mobile-nav a {
  display: block;
  font-family: var(--f-display);
  font-size: 18px;
  font-weight: 500;
  color: var(--ink);
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}
.mobile-nav a:last-child { border-bottom: none; }
.mobile-nav a:hover { text-decoration: none; color: var(--signal-2); }

/* Hide install btn on compact screens — keep stable header controls. */
@media (max-width: 560px) {
  .topbar-cta .btn-primary {
    display: none;
  }
}

/* ===== Lang switcher ===== */
.lang { position: relative; }
.lang-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--f-mono);
  font-size: 12.5px;
  font-weight: 500;
  color: var(--ink);
  background: transparent;
  border: 1px solid var(--line-strong);
  padding: 0 10px;
  height: var(--ctrl-h);
  line-height: 1;
  border-radius: var(--r);
  cursor: pointer;
  box-sizing: border-box;
  transition: background 0.12s, color 0.12s;
}
.lang-btn:hover { background: var(--ink); color: var(--paper); }
.lang-btn[aria-expanded="true"] { background: var(--ink); color: var(--paper); }
.lang-menu {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  margin: 0;
  padding: 4px;
  list-style: none;
  background: var(--paper-card);
  border: 1px solid var(--line-strong);
  border-radius: var(--r-lg);
  min-width: 160px;
  box-shadow: 0 12px 28px -10px rgba(20,19,15,0.18);
  z-index: 60;
}
.lang-menu li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 10px;
  border-radius: var(--r);
  cursor: pointer;
  font-size: 13px;
  color: var(--ink);
}
.lang-menu li:hover { background: var(--paper-2); }
.lang-menu li.is-active { background: var(--signal-bg); }
.lang-code {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--ink-3);
  width: 22px;
}
.lang-menu li.is-active .lang-code { color: var(--ink); font-weight: 600; }

/* ===== Section heads ===== */
.section-head {
  max-width: 760px;
  margin-bottom: clamp(36px, 5vw, 56px);
}
.section-num {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--ink-3);
  text-transform: uppercase;
  margin-bottom: 14px;
}
.h1 {
  font-family: var(--f-display);
  font-size: clamp(34px, 6.4vw, 84px);
  font-weight: 600;
  line-height: 1.04;
  letter-spacing: -0.025em;
  margin: 12px 0 24px;
  text-wrap: balance;
}
.ink-accent {
  position: relative;
  display: inline-block;
}
.ink-accent::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0.06em;
  height: 0.32em;
  background: var(--signal);
  z-index: -1;
  transform: skew(-6deg) translateY(2px);
  opacity: 0.85;
}
.h2 {
  font-family: var(--f-display);
  font-size: clamp(26px, 3.6vw, 44px);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 0 0 16px;
  text-wrap: balance;
}
.section-sub {
  font-size: clamp(15px, 1.4vw, 17px);
  color: var(--ink-2);
  max-width: 64ch;
  text-wrap: pretty;
  margin: 0;
}

/* ===== Hero ===== */
.hero {
  padding: clamp(40px, 6vw, 64px) 0 clamp(36px, 5vw, 48px);
  border-bottom: 1px solid var(--line);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  top: -200px; right: -200px;
  width: 600px; height: 600px;
  background: radial-gradient(circle at center, rgba(255, 170, 0, 0.18) 0%, rgba(255, 170, 0, 0) 60%);
  pointer-events: none;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: clamp(32px, 4vw, 56px);
  align-items: start;
  position: relative;
}
.hero-left {
  min-width: 0;
}
@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; gap: 32px; }
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--ink-2);
  border: 1px solid var(--line-strong);
  background: var(--paper-card);
  padding: 6px 10px;
  border-radius: 999px;
  max-width: 100%;
}
.eyebrow > span:not(.dot) {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.eyebrow .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 0 3px rgba(255,170,0,0.22);
  flex-shrink: 0;
}
.lede {
  font-size: clamp(16px, 1.5vw, 19px);
  line-height: 1.55;
  color: var(--ink-2);
  max-width: 56ch;
  margin: 0 0 24px;
  text-wrap: pretty;
}
.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 28px;
}

/* Hero quick install — copy a paste-ready line for AI agents */
.hero-quickinstall {
  margin: 0 0 22px;
  padding: 14px 0 0;
  background: transparent;
  border: 0;
  border-top: 1px solid var(--line);
  border-radius: 0;
}
.hero-quickinstall-label {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 8px;
}
.hero-quickinstall-row {
  display: flex;
  align-items: center;
  gap: 12px;
}
.hero-quickinstall-code {
  flex: 1;
  font-family: var(--f-mono);
  font-size: 13px;
  color: var(--ink);
  background: transparent;
  white-space: normal;
  overflow-wrap: anywhere;
  word-break: break-word;
  padding: 4px 0;
  min-width: 0;
  line-height: 1.5;
}
.hero-quickinstall-copy {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 12px;
  background: var(--ink);
  color: var(--paper);
  border: 0;
  border-radius: 4px;
  font-family: var(--f-mono);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  flex-shrink: 0;
  transition: background 0.15s ease;
}
.hero-quickinstall-copy:hover { background: #1a1814; }
.hero-quickinstall-copy.copied { background: var(--signal-2, #1F8A5B); }
@media (max-width: 720px) {
  .hero-quickinstall-row { flex-direction: column; align-items: stretch; }
  .hero-quickinstall-copy { justify-content: center; }
}

.hero-bullets {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 10px;
  font-size: 14.5px;
  color: var(--ink-2);
  border-top: 1px dashed var(--line-strong);
  padding-top: 22px;
}
.hero-bullets li { display: flex; gap: 10px; align-items: flex-start; }
.check {
  font-family: var(--f-mono);
  color: var(--signal-2);
  font-weight: 600;
  flex-shrink: 0;
}

/* ===== Terminal ===== */
.terminal {
  background: #14130F;
  color: #F1EEE2;
  border-radius: 8px;
  border: 1px solid #2A2924;
  font-family: var(--f-mono);
  overflow: hidden;
  box-shadow:
    0 1px 0 rgba(0,0,0,0.04),
    0 30px 60px -30px rgba(20,19,15,0.5),
    0 6px 18px -8px rgba(20,19,15,0.3);
  position: relative;
  min-height: 460px;
  display: flex;
  flex-direction: column;
  width: 100%;
  max-width: 100%;
  min-width: 0;
}
.term-chrome {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  background: #1B1A15;
  border-bottom: 1px solid #2A2924;
  font-size: 12px;
  color: #A8A69D;
}
.term-dots { display: inline-flex; gap: 7px; flex-shrink: 0; }
.term-dots i { width: 11px; height: 11px; border-radius: 50%; background: #2A332D; }
.term-dots i:nth-child(1) { background: #E26B4B; }
.term-dots i:nth-child(2) { background: #FFAA00; }
.term-dots i:nth-child(3) { background: #6BB07E; }
.term-title {
  letter-spacing: 0.02em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0;
}
.term-status {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  color: #FFD080;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  flex-shrink: 0;
}
.pulse {
  width: 7px; height: 7px; border-radius: 50%;
  background: #FFAA00;
  box-shadow: 0 0 0 0 rgba(255,170,0,0.6);
  animation: pulse 1.8s ease-out infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(255,170,0,0.6); }
  70% { box-shadow: 0 0 0 8px rgba(255,170,0,0); }
  100% { box-shadow: 0 0 0 0 rgba(255,170,0,0); }
}
.term-body {
  padding: 16px 16px 12px;
  font-size: 12.5px;
  line-height: 1.7;
  flex: 1;
  overflow: hidden;
}
.term-line { display: block; white-space: pre-wrap; word-break: break-word; }
.term-user { color: #F1EEE2; }
.term-user .term-prompt { color: #FFAA00; margin-right: 8px; }
.term-user .term-tag {
  display: inline-block;
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #FFD080;
  background: rgba(255,170,0,0.1);
  border: 1px solid rgba(255,170,0,0.3);
  padding: 1px 6px;
  border-radius: 3px;
  margin-right: 8px;
  vertical-align: 1px;
}
.term-comment { color: #7A7868; }
.term-cli { color: #C2C0B2; }
.term-cli .term-arrow { color: #FFAA00; margin-right: 8px; }
.term-result { color: #FFE0A0; }
.term-meta { color: #7A7868; font-size: 11.5px; }
.term-row { color: #DCDAC8; font-size: 12px; }
.term-row .col-id { color: #FFD080; }
.term-row .col-flag { color: #FF8A4B; }
.term-foot {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-top: 1px solid #2A2924;
  background: #100F0B;
  font-size: 11.5px;
  color: #7A7868;
}
.term-hint {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0;
}
.kbd {
  font-family: var(--f-mono);
  border: 1px solid #2A2924;
  background: #1B1A15;
  color: #C2C0B2;
  font-size: 10px;
  padding: 1px 6px;
  border-radius: 3px;
  flex-shrink: 0;
}
@media (max-width: 480px) {
  .term-title { display: none; }
  .terminal { min-height: 420px; }
  .term-body { padding: 14px 12px 10px; font-size: 11.5px; }
  .term-row { font-size: 11px; }
}

/* ===== Agents row ===== */
.agents-row {
  margin-top: clamp(36px, 5vw, 56px);
  padding-top: 24px;
  border-top: 1px dashed var(--line-strong);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px 22px;
}
.agents-label {
  font-family: var(--f-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.agents {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.agent-pill {
  font-family: var(--f-mono);
  font-size: 12.5px;
  color: var(--ink);
  background: var(--paper-card);
  border: 1px solid var(--line-strong);
  padding: 6px 10px;
  border-radius: var(--r);
  white-space: nowrap;
}
.agent-pill-soft { background: transparent; border-style: dashed; color: var(--ink-3); }

/* ===== Flow section ===== */
.flow-section {
  padding: clamp(64px, 9vw, 96px) 0;
  border-bottom: 1px solid var(--line);
}
.flow {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr auto 1fr;
  align-items: stretch;
  gap: 0;
  border: 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  background: transparent;
  overflow: hidden;
}
.flow-step {
  padding: 22px 20px 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 0;
}
.flow-step-accent {
  background: var(--signal-bg);
  position: relative;
}
.flow-step-accent::before {
  content: "";
  position: absolute;
  left: 0; right: 0; top: 0;
  height: 3px;
  background: var(--signal);
}
.flow-num {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--ink-3);
}
.flow-icon {
  width: 38px; height: 38px;
  display: grid; place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: var(--r);
  color: var(--ink);
  background: var(--paper);
  flex-shrink: 0;
}
.flow-icon-mark {
  background: var(--paper);
  border-color: var(--ink);
  width: 44px; height: 38px;
}
.flow-icon-mark img {
  width: 32px;
  height: 26px;
  object-fit: contain;
}
.flow-step-accent .flow-icon { background: var(--paper-card); border-color: var(--ink); }
.flow-label {
  font-family: var(--f-display);
  font-weight: 600;
  font-size: 16px;
  letter-spacing: -0.01em;
}
.flow-desc {
  font-size: 13.5px;
  color: var(--ink-2);
  line-height: 1.4;
  text-wrap: pretty;
}
.flow-arrow {
  display: grid;
  place-items: center;
  font-family: var(--f-mono);
  color: var(--ink-4);
  font-size: 18px;
  padding: 0 2px;
  border-left: 1px solid var(--line);
  border-right: 1px solid var(--line);
}
@media (max-width: 1100px) {
  .flow { grid-template-columns: 1fr; }
  .flow-step { border-bottom: 1px solid var(--line); }
  .flow-step:last-child { border-bottom: none; }
  .flow-arrow {
    min-height: 30px;
    border: 0;
    padding: 0;
    transform: rotate(90deg);
  }
}

/* ===== Install ===== */
.install {
  padding: clamp(64px, 9vw, 96px) 0;
  border-bottom: 1px solid var(--line);
}
.install-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
@media (max-width: 1000px) { .install-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .install-grid { grid-template-columns: 1fr; } }

/* ===== Install (single command flow) ===== */
.install-one {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 32px;
  align-items: start;
}
@media (max-width: 920px) {
  .install-one { grid-template-columns: 1fr; gap: 24px; }
}

.install-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-lg);
  background: var(--paper-card);
  overflow: hidden;
}
.install-main {
  border: 1px solid var(--line-strong);
  border-radius: var(--r-lg);
  background: var(--paper-card);
  padding: 32px 32px 28px;
  min-width: 0;
}
.install-step-num {
  font-family: var(--f-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--ink-3);
  margin-bottom: 10px;
}
.install-step-title {
  font-family: var(--f-display);
  font-size: clamp(22px, 2.2vw, 28px);
  font-weight: 600;
  letter-spacing: -0.015em;
  margin: 0 0 10px;
  color: var(--ink);
}
.install-step-desc {
  font-size: 15px;
  line-height: 1.6;
  color: var(--ink-2);
  margin: 0 0 18px;
  text-wrap: pretty;
}
.install-step-after {
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.55;
  color: var(--ink-3);
  text-wrap: pretty;
}
@media (max-width: 600px) {
  .install-main { padding: 24px 20px 20px; }
}
.istep {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 0;
  padding: 28px 28px 28px 0;
  border-bottom: 1px solid var(--line);
  position: relative;
}
.istep:last-child { border-bottom: none; }
.istep-num {
  font-family: var(--f-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-3);
  letter-spacing: 0.04em;
  padding: 4px 0 0 28px;
}
.istep-body { min-width: 0; }
.istep-title {
  font-family: var(--f-display);
  font-size: clamp(20px, 2vw, 26px);
  font-weight: 600;
  letter-spacing: -0.015em;
  margin: 0 0 8px;
  color: var(--ink);
}
.istep-desc {
  font-size: 15px;
  color: var(--ink-2);
  line-height: 1.55;
  margin: 0;
  text-wrap: pretty;
}

.istep-accent {
  background: linear-gradient(180deg, var(--signal-bg) 0%, transparent 100%);
}
.istep-accent .istep-num { color: var(--signal-2); }

/* Copy line — code block, no scrollbar, wraps cleanly */
.copy-line {
  margin-top: 14px;
  position: relative;
  display: flex;
  align-items: center;
  background: #14130F;
  border: 1px solid #2A2A22;
  border-radius: var(--r);
  padding: 12px 16px;
  gap: 12px;
  min-height: 44px;
}
.copy-line-text {
  font-family: var(--f-mono);
  font-size: 14px;
  font-weight: 500;
  color: #F1EEE2 !important;
  background: transparent !important;
  border: 0 !important;
  padding: 0 !important;
  line-height: 1.5;
  white-space: normal;
  overflow-wrap: anywhere;
  word-break: break-all;
  display: block;
  flex: 1;
  min-width: 0;
}
.copy-btn-static {
  position: relative;
  top: auto;
  right: auto;
  transform: none;
  flex-shrink: 0;
  background: #2A2A22;
  color: #F1EEE2;
  border: 1px solid #3A3A30;
  border-radius: var(--r);
  font-family: var(--f-mono);
  font-size: 12px;
  font-weight: 500;
  padding: 6px 12px;
  cursor: pointer;
  transition: background 0.12s;
}
.copy-btn-static:hover { background: #3A3A30; }
.copy-btn-static.copied { background: var(--signal); color: var(--ink); border-color: var(--signal); }

.istep-quote {
  margin: 14px 0 0;
  padding: 16px 18px;
  background: var(--paper);
  border: 1px solid var(--signal);
  border-left: 3px solid var(--signal-2);
  border-radius: var(--r);
  font-family: var(--f-display);
  font-size: clamp(16px, 1.6vw, 19px);
  font-weight: 500;
  color: var(--ink);
  line-height: 1.45;
  letter-spacing: -0.005em;
  text-wrap: pretty;
}
.istep-quote-mark {
  font-family: var(--f-display);
  font-weight: 700;
  color: var(--signal-2);
  margin: 0 2px;
}

/* Aside */
.install-aside {
  background: var(--paper-card);
  border: 1px solid var(--line-strong);
  border-radius: var(--r-lg);
  padding: 22px 22px 18px;
  position: sticky;
  top: calc(var(--topbar-h) + 16px);
}
@media (max-width: 920px) {
  .install-aside { position: static; }
}
.install-aside-h {
  font-family: var(--f-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 14px;
}
.install-surfaces {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: grid;
  gap: 10px;
}
.install-surfaces li {
  font-family: var(--f-mono);
  font-size: 13px;
  color: var(--ink);
  display: flex;
  align-items: center;
  gap: 10px;
}
.ag-mark {
  display: inline-block;
  width: 10px;
  text-align: center;
  color: var(--signal-2);
  font-size: 11px;
  line-height: 1;
}
.ag-mark-soft { color: var(--ink-3); }
.ag-note {
  margin-left: auto;
  color: var(--ink-3);
  font-size: 11.5px;
}
.install-aside-link {
  display: inline-block;
  font-family: var(--f-mono);
  font-size: 12.5px;
  font-weight: 500;
  color: var(--ink);
  border-top: 1px solid var(--line);
  padding-top: 14px;
  margin-top: 4px;
  width: 100%;
}
.install-aside-link:hover { color: var(--signal-2); text-decoration: none; }

@media (max-width: 600px) {
  .istep { grid-template-columns: 1fr; padding: 24px 20px; }
  .istep-num { padding: 0 0 6px; }
}
.cmd-card {
  background: var(--paper-card);
  border: 1px solid var(--line-strong);
  border-radius: var(--r-lg);
  padding: 22px 22px 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  position: relative;
  min-width: 0;
}
.cmd-card-primary {
  background: #14130F;
  color: var(--paper);
  border-color: var(--ink);
  box-shadow: 8px 8px 0 var(--signal);
}
.cmd-card-primary .cmd-title { color: var(--paper); }
.cmd-card-primary .cmd-desc { color: #B9B7AC; }
.cmd-card-primary .cmd-block pre { background: #0A0A07; border-color: #2A2A22; color: #F1EEE2; }
.cmd-card-primary .copy-btn { background: #2A2A22; color: #F1EEE2; border-color: #3A3A30; }
.cmd-card-primary .copy-btn:hover { background: #3A3A30; }
.cmd-card-primary .cmd-status.status-supported {
  background: var(--signal); color: var(--ink); border-color: var(--signal);
}
@media (max-width: 640px) {
  .cmd-card-primary { box-shadow: 4px 4px 0 var(--signal); }
}
.cmd-card-soft { background: transparent; border-style: dashed; }
.cmd-card header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
}
.cmd-head-left { display: flex; flex-direction: column; gap: 6px; min-width: 0; flex: 1; }
.cmd-badge {
  font-family: var(--f-mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink);
  background: var(--signal);
  border: 1px solid var(--signal);
  padding: 2px 7px;
  border-radius: 3px;
  align-self: flex-start;
  font-weight: 600;
}
.cmd-title {
  font-family: var(--f-display);
  font-size: 18px;
  font-weight: 600;
  margin: 0;
  letter-spacing: -0.01em;
}
.cmd-desc {
  font-size: 14px;
  color: var(--ink-2);
  margin: 0;
  line-height: 1.5;
  text-wrap: pretty;
}
.cmd-status {
  font-family: var(--f-mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 3px 7px;
  border-radius: 3px;
  white-space: nowrap;
  flex-shrink: 0;
  font-weight: 600;
}
.status-supported { color: var(--ink); background: var(--signal-soft); border: 1px solid var(--signal); }
.status-limited { color: var(--ink); background: var(--paper-2); border: 1px dashed var(--ink-3); }
.cmd-block { position: relative; margin-top: auto; }
.cmd-block pre {
  margin: 0;
  background: #14130F;
  color: #F1EEE2;
  border: 1px solid #2A2924;
  border-radius: var(--r);
  padding: 14px 16px;
  font-family: var(--f-mono);
  font-size: 12px;
  line-height: 1.45;
  overflow-x: auto;
  white-space: pre;
}
.cmd-block .prompt { color: var(--signal); margin-right: 8px; user-select: none; }
.copy-btn {
  position: absolute;
  top: 8px;
  right: 8px;
  font-family: var(--f-mono);
  font-size: 10.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: #1B1A15;
  color: #C2C0B2;
  border: 1px solid #2A2924;
  padding: 4px 8px;
  border-radius: 3px;
  cursor: pointer;
  transition: background 0.12s;
}
.copy-btn:hover { background: #2A2924; }
.copy-btn.copied { background: var(--signal); color: var(--ink); border-color: var(--signal); }

.install-foot {
  margin-top: 24px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--paper-card);
  overflow: hidden;
}
.install-foot-item {
  display: flex;
  gap: 14px;
  padding: 18px 20px;
  border-right: 1px solid var(--line);
  min-width: 0;
}
.install-foot-item:last-child { border-right: none; }
.install-foot-num {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--ink);
  background: var(--signal);
  width: 22px; height: 22px;
  display: grid; place-items: center;
  border-radius: 3px;
  flex-shrink: 0;
  font-weight: 600;
}
.install-foot-title {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 4px;
}
.install-foot-body {
  font-size: 14px;
  color: var(--ink);
  line-height: 1.45;
}
@media (max-width: 800px) {
  .install-foot { grid-template-columns: 1fr; }
  .install-foot-item { border-right: none; border-bottom: 1px solid var(--line); }
  .install-foot-item:last-child { border-bottom: none; }
}

/* ===== Surface matrix ===== */
.surfaces {
  padding: clamp(64px, 9vw, 96px) 0;
  border-bottom: 1px solid var(--line);
}
.matrix-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: var(--r-lg);
}
.matrix {
  border: 1px solid var(--line-strong);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--paper-card);
  font-family: var(--f-mono);
  font-size: 13px;
  min-width: 560px;
}
.matrix-row {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr 1.2fr;
  align-items: center;
  border-bottom: 1px solid var(--line);
}
.matrix-row:last-child { border-bottom: none; }
.matrix-row > div {
  padding: 16px 18px;
  border-right: 1px solid var(--line);
}
.matrix-row > div:last-child { border-right: none; }
.matrix-head {
  background: var(--paper-2);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.m-name {
  font-family: var(--f-display);
  font-weight: 600;
  font-size: 15px;
  color: var(--ink);
  letter-spacing: -0.01em;
}
.cell-yes { color: var(--ink); font-size: 14px; font-weight: 700; }
.cell-mid { color: var(--signal-2); font-size: 14px; }
.cell-no { color: var(--ink-4); font-size: 14px; }
.pill {
  font-family: var(--f-mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 3px;
  font-weight: 600;
  white-space: nowrap;
}
.pill-go { color: var(--ink); background: var(--signal-soft); border: 1px solid var(--signal); }
.pill-warn { color: var(--ink); background: var(--paper-2); border: 1px dashed var(--ink-3); }
.matrix-legend {
  margin-top: 16px;
  display: flex;
  gap: 22px;
  font-family: var(--f-mono);
  font-size: 12px;
  color: var(--ink-3);
  flex-wrap: wrap;
}

/* ===== Use cases ===== */
.usecases {
  padding: clamp(64px, 9vw, 96px) 0;
  border-bottom: 1px solid var(--line);
  background: var(--paper-2);
}
.cases {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.case-wide { grid-column: 1 / -1; }
@media (max-width: 880px) {
  .cases { grid-template-columns: 1fr; }
  .case-wide { grid-column: 1; }
}
.case {
  background: var(--paper-card);
  border: 1px solid var(--line-strong);
  border-radius: var(--r-lg);
  padding: 24px 24px 22px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-width: 0;
}
.case-tag {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.case-prompt {
  font-family: var(--f-display);
  font-size: clamp(18px, 2vw, 26px);
  font-weight: 500;
  letter-spacing: -0.015em;
  line-height: 1.25;
  color: var(--ink);
  text-wrap: balance;
}
.case-quote { color: var(--signal-2); font-family: var(--f-display); font-weight: 700; margin: 0 2px; }
.case-body {
  display: flex;
  flex-direction: column;
  gap: 8px;
  border-top: 1px dashed var(--line-strong);
  padding-top: 14px;
}
.case-line {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 12px;
  font-size: 14px;
  color: var(--ink-2);
  line-height: 1.5;
  text-wrap: pretty;
  min-width: 0;
}
.case-line code { font-size: 12px; background: var(--paper-2); }
.case-line > span:last-child { min-width: 0; word-break: break-word; }
.case-line-tag {
  font-family: var(--f-mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-3);
  padding-top: 2px;
}
.case-line-note {
  display: block;
  grid-template-columns: none;
  color: var(--ink-3);
  font-style: italic;
  border-top: 1px dashed var(--line);
  padding-top: 10px;
  margin-top: 4px;
}
@media (max-width: 480px) {
  .case-line { grid-template-columns: 1fr; gap: 4px; }
  .case-line-tag { padding-top: 0; }
}

/* ===== Trust ===== */
.trust {
  padding: clamp(64px, 9vw, 96px) 0;
  border-bottom: 1px solid var(--line);
}
.trust-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
@media (max-width: 800px) {
  .trust-grid { grid-template-columns: 1fr; }
}
.trust-col {
  border: 1px solid var(--line-strong);
  border-radius: var(--r-lg);
  background: var(--paper-card);
  padding: 26px 26px 22px;
  min-width: 0;
}
.trust-will { box-shadow: 6px 6px 0 var(--signal); }
@media (max-width: 480px) {
  .trust-will { box-shadow: 4px 4px 0 var(--signal); }
}
.trust-col-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}
.trust-col-head h3 {
  margin: 0;
  font-family: var(--f-display);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.trust-col-mark {
  font-family: var(--f-mono);
  width: 28px; height: 28px;
  display: grid; place-items: center;
  border-radius: 4px;
  font-weight: 700;
  font-size: 16px;
  flex-shrink: 0;
}
.trust-will .trust-col-mark { background: var(--signal); color: var(--ink); border: 1px solid var(--ink); }
.trust-wont .trust-col-mark { background: var(--paper-2); color: var(--ink-3); border: 1px solid var(--ink-3); }
.trust-col ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; }
.trust-col li {
  font-size: 15px;
  line-height: 1.55;
  color: var(--ink);
  padding: 12px 0;
  border-bottom: 1px dashed var(--line);
  text-wrap: pretty;
}
.trust-col li:last-child { border-bottom: none; }
.trust-wont li { color: var(--ink-2); }

.trust-foot {
  margin-top: 24px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--paper-card);
  overflow: hidden;
}
.trust-foot-item {
  padding: 18px 20px;
  border-right: 1px solid var(--line);
  min-width: 0;
}
.trust-foot-item:last-child { border-right: none; }
.trust-foot-label {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 6px;
}
.trust-foot-value {
  font-size: 14.5px;
  font-weight: 500;
  color: var(--ink);
  word-break: break-word;
}
@media (max-width: 800px) {
  .trust-foot { grid-template-columns: 1fr 1fr; }
  .trust-foot-item:nth-child(2) { border-right: none; }
  .trust-foot-item:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
}
@media (max-width: 480px) {
  .trust-foot { grid-template-columns: 1fr; }
  .trust-foot-item { border-right: none; border-bottom: 1px solid var(--line); }
  .trust-foot-item:last-child { border-bottom: none; }
}

/* ===== Docs ===== */
.docs {
  padding: clamp(64px, 9vw, 96px) 0;
  border-bottom: 1px solid var(--line);
  background: var(--paper-2);
}
.doclist {
  list-style: none;
  margin: 0;
  padding: 0;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-lg);
  background: var(--paper-card);
  overflow: hidden;
}
.doclist li { border-bottom: 1px solid var(--line); }
.doclist li:last-child { border-bottom: none; }
.doc {
  display: grid;
  grid-template-columns: 48px 1fr 24px;
  align-items: center;
  gap: 16px;
  padding: 18px 22px;
  text-decoration: none !important;
  color: var(--ink);
  transition: background 0.12s;
}
.doc:hover { background: var(--signal-bg); }
.doc-num {
  font-family: var(--f-mono);
  font-size: 13px;
  color: var(--ink-3);
  letter-spacing: 0.06em;
}
.doc-meta { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.doc-title {
  font-family: var(--f-display);
  font-weight: 600;
  font-size: 17px;
  letter-spacing: -0.01em;
}
.doc-desc { font-size: 14px; color: var(--ink-2); text-wrap: pretty; }
.doc-arrow {
  font-family: var(--f-mono);
  color: var(--ink-3);
  font-size: 16px;
  text-align: right;
  transition: transform 0.15s;
}
.doc:hover .doc-arrow { transform: translateX(3px); color: var(--ink); }
@media (max-width: 480px) {
  .doc { grid-template-columns: 36px 1fr 20px; gap: 12px; padding: 16px 18px; }
  .doc-num { font-size: 12px; }
  .doc-title { font-size: 15.5px; }
  .doc-desc { font-size: 13px; }
}

/* ===== End CTA ===== */
.endcta {
  padding: clamp(64px, 9vw, 96px) 0;
  background: var(--ink);
  color: var(--paper);
  border-bottom: 1px solid var(--ink);
  position: relative;
  overflow: hidden;
}
.endcta .section-num { color: rgba(250, 248, 242, 0.5); }
.endcta .h2 { color: var(--paper); }
.endcta .h2 .ink-accent::after { background: var(--signal); }
.endcta .section-sub { color: rgba(250, 248, 242, 0.7); }
.endcta-inner {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 48px;
  align-items: end;
  position: relative;
  z-index: 2;
}
@media (max-width: 880px) {
  .endcta-inner { grid-template-columns: 1fr; gap: 28px; align-items: start; }
}
.endcta-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.endcta .btn-primary { background: var(--signal); color: var(--ink); border-color: var(--signal); }
.endcta .btn-primary:hover { background: var(--paper); border-color: var(--paper); color: var(--ink); }
.endcta .btn-ghost { color: var(--paper); border-color: rgba(250, 248, 242, 0.4); }
.endcta .btn-ghost:hover { background: rgba(250, 248, 242, 0.08); color: var(--paper); }
.endcta-bigmark {
  position: absolute;
  right: -80px;
  bottom: -80px;
  width: 380px;
  opacity: 0.05;
  pointer-events: none;
  z-index: 1;
}
.endcta-bigmark img {
  width: 100%;
  height: auto;
  display: block;
}
@media (max-width: 880px) {
  .endcta-bigmark { right: -60px; bottom: -60px; width: 260px; opacity: 0.06; }
}

/* ===== Footer ===== */
.foot { background: var(--paper); border-top: 1px solid var(--line); padding: 40px 0 32px; }

/* imweb.me cross-promo card */
.foot-promo {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 22px 28px;
  background: var(--ink);
  color: var(--paper);
  border-radius: 4px;
  margin-bottom: 32px;
  text-decoration: none;
  transition: background 0.15s ease;
}
.foot-promo:hover { background: #1a1814; text-decoration: none; }
.foot-promo-text { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.foot-promo-eyebrow {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--accent);
  opacity: 0.9;
}
.foot-promo-title {
  font-family: var(--f-sans);
  font-size: 16px;
  font-weight: 500;
  color: var(--paper);
  line-height: 1.4;
}
.foot-promo-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--f-mono);
  font-size: 14px;
  font-weight: 600;
  color: var(--accent);
  white-space: nowrap;
  flex-shrink: 0;
}
.foot-promo:hover .foot-promo-cta { gap: 12px; }

.foot-inner {
  display: flex;
  align-items: center;
  gap: 28px;
  padding: 4px 0 20px;
  flex-wrap: wrap;
}
.foot-brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--f-mono);
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
  flex-shrink: 0;
}
.foot-logo { width: 26px; height: 20px; object-fit: contain; }
.foot-nav {
  display: flex;
  gap: 20px;
  font-family: var(--f-mono);
  font-size: 12.5px;
  color: var(--ink-2);
  flex-wrap: wrap;
}
.foot-nav a { white-space: nowrap; }
.foot-nav a:hover { color: var(--ink); text-decoration: none; }
.foot-meta {
  font-family: var(--f-mono);
  font-size: 11.5px;
  color: var(--ink-3);
  letter-spacing: 0.04em;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}
.foot-dot { color: var(--ink-4); }

@media (max-width: 720px) {
  .foot { padding: 32px 0 28px; }
  .foot-promo {
    flex-direction: column;
    align-items: flex-start;
    padding: 20px 22px;
    gap: 14px;
  }
  .foot-promo-title { font-size: 15px; }
  .foot-inner { flex-direction: column; align-items: flex-start; gap: 18px; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .pulse { animation: none; }
}
html { scroll-behavior: smooth; }