/* ============================================================
   CIP15CLOCK v3 — "Operations Console" design system
   Palette
     --night   #0A1522  deep control-room blue
     --panel   #0F2032  raised panel blue
     --amber   #FFB238  SCADA alarm amber
     --cyan    #4FD6E8  phosphor cyan
     --paper   #F4F5F2  daylight paper
     --ink     #101C28  text on paper
   Type
     Display : Barlow Condensed (industrial signage)
     Body    : Barlow
     Data    : IBM Plex Mono (telemetry, clocks, tags)
   ============================================================ */

:root {
  --night: #0A1522;
  --night-deep: #060E18;
  --panel: #0F2032;
  --panel-line: #24405A;
  --amber: #FFB238;
  --amber-deep: #E89416;
  --cyan: #4FD6E8;
  --cyan-dim: #2A97AD;
  --paper: #F4F5F2;
  --card: #FFFFFF;
  --ink: #101C28;
  --muted: #55636E;
  --line: #D8DCD9;
  --max: 1200px;
  --font-display: "Barlow Condensed", "Arial Narrow", Arial, sans-serif;
  --font-body: "Barlow", Arial, Helvetica, sans-serif;
  --font-mono: "IBM Plex Mono", "Courier New", monospace;
  --pad-x: max(24px, calc((100vw - var(--max)) / 2));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
img { display: block; }
:focus-visible { outline: 2px solid var(--amber); outline-offset: 3px; }

/* ============ HEADER ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(6, 14, 24, .92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(79, 214, 232, .18);
}
.header-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
  height: 68px;
  display: flex;
  align-items: center;
  gap: 20px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  min-width: 0;
}
.brand-mark {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 17px;
  letter-spacing: .02em;
  color: #fff;
  white-space: nowrap;
}
.brand-mark b { color: var(--amber); font-weight: 600; }
.brand-divider {
  width: 1px;
  height: 26px;
  background: rgba(79, 214, 232, .35);
  flex: none;
}
.brand-sub {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--cyan);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.header-clock {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
  padding: 5px 12px;
  border: 1px solid rgba(255, 178, 56, .45);
  border-radius: 3px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--amber);
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity .25s ease, transform .25s ease;
  pointer-events: none;
}
.header-clock.is-visible { opacity: 1; transform: none; }
.header-clock-label {
  font-size: 10px;
  padding: 1px 5px;
  background: var(--amber);
  color: var(--night-deep);
  border-radius: 2px;
  font-weight: 600;
}
.header-clock-value b { font-weight: 600; }
nav { display: flex; align-items: center; gap: 26px; flex: none; }
.header-clock + nav { margin-left: 0; }
nav > a:not(.nav-cta) {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .04em;
  text-decoration: none;
  color: #C7D5E0;
  transition: color .15s ease;
}
nav > a:not(.nav-cta):hover { color: var(--amber); }
.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px 8px 10px;
  border: 1px solid rgba(199, 213, 224, .4);
  border-radius: 3px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .04em;
  text-decoration: none;
  color: #fff;
  transition: background .18s ease, border-color .18s ease;
}
.nav-cta:hover { background: #0A66C2; border-color: #0A66C2; }
.linkedin-mark {
  width: 20px; height: 20px;
  border-radius: 3px;
  display: inline-grid;
  place-items: center;
  background: #0A66C2;
  color: #fff;
  font-size: 13px;
  font-weight: 900;
  line-height: 1;
}

/* ============ HERO ============ */
.hero {
  position: relative;
  background: var(--night-deep);
  color: #fff;
  overflow: hidden;
}
.hero-photo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
  opacity: .8;
}
.hero-scrim {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(6, 14, 24, .93) 0%, rgba(6, 14, 24, .72) 48%, rgba(6, 14, 24, .38) 100%),
    linear-gradient(0deg, rgba(6, 14, 24, .92) 0%, rgba(6, 14, 24, .15) 45%);
}
.hero-grid-lines {
  position: absolute;
  inset: 0;
  opacity: .1;
  background-image:
    linear-gradient(rgba(79, 214, 232, .5) 1px, transparent 1px),
    linear-gradient(90deg, rgba(79, 214, 232, .5) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(115deg, black 20%, transparent 70%);
  -webkit-mask-image: linear-gradient(115deg, black 20%, transparent 70%);
}
.hero-inner {
  position: relative;
  max-width: var(--max);
  margin: 0 auto;
  padding: 96px 24px 104px;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  gap: 64px;
  align-items: center;
}
.tag-line { margin: 0 0 22px; display: flex; flex-wrap: wrap; gap: 10px; }
.tag {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .14em;
  text-transform: uppercase;
  padding: 5px 11px;
  border-radius: 2px;
}
.tag.amber { background: var(--amber); color: var(--night-deep); font-weight: 600; }
.tag.ghost { border: 1px solid rgba(79, 214, 232, .5); color: var(--cyan); }
.hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(44px, 4.5vw, 64px);
  line-height: 1.02;
  letter-spacing: -.01em;
  text-transform: uppercase;
}
.hl-line { display: block; white-space: nowrap; }
.hero h1 em { font-style: normal; color: var(--amber); }
.lede {
  max-width: 560px;
  margin: 26px 0 0;
  color: #C3D2DE;
  font-size: 18px;
  line-height: 1.65;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 24px;
  border-radius: 3px;
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 17px;
  letter-spacing: .1em;
  text-transform: uppercase;
  transition: transform .16s ease, background .16s ease, border-color .16s ease;
}
.button:hover { transform: translateY(-2px); }
.button.primary, .button.amber { background: var(--amber); color: var(--night-deep); }
.button.primary:hover, .button.amber:hover { background: #FFC96A; }
.button.ghost { color: #fff; border: 1px solid rgba(199, 213, 224, .45); }
.button.ghost:hover { border-color: var(--cyan); color: var(--cyan); }
.byline { margin: 28px 0 0; color: #8FA4B4; font-size: 14px; }
.byline a { color: #fff; font-weight: 600; }

/* ---- countdown console ---- */
.console {
  position: relative;
  background: rgba(10, 24, 40, .9);
  border: 1px solid var(--panel-line);
  border-radius: 6px;
  box-shadow: 0 34px 90px rgba(0, 0, 0, .45);
  overflow: hidden;
}
.console::before {
  content: "";
  position: absolute;
  left: 0; right: 0; top: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--amber) 0 34%, var(--cyan) 34% 100%);
}
.console-titlebar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 16px 22px 14px;
  border-bottom: 1px solid rgba(36, 64, 90, .7);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: #9DB4C6;
}
.console-live { color: var(--cyan); display: inline-flex; align-items: center; gap: 7px; font-weight: 600; }
.console-live i {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(79, 214, 232, .16);
  animation: live-pulse 2.2s ease-in-out infinite;
}
@keyframes live-pulse {
  0%, 100% { box-shadow: 0 0 0 3px rgba(79, 214, 232, .12); }
  50% { box-shadow: 0 0 0 6px rgba(79, 214, 232, .22); }
}
.console-clock {
  display: flex;
  align-items: stretch;
  justify-content: space-between;
  padding: 26px 22px 20px;
}
.clock-cell { text-align: center; flex: 1; min-width: 0; }
.clock-cell strong {
  display: block;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(34px, 4vw, 54px);
  line-height: 1;
  color: #fff;
  font-variant-numeric: tabular-nums;
  letter-spacing: -.02em;
}
.clock-cell:first-child strong { color: var(--amber); }
.clock-cell span {
  display: block;
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: #7E95A7;
}
.clock-sep {
  align-self: flex-start;
  padding-top: 4px;
  font-family: var(--font-mono);
  font-size: clamp(26px, 3vw, 40px);
  color: #3D5A75;
  flex: none;
}
.console-progress { padding: 4px 22px 20px; }
.console-progress-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: #7E95A7;
}
.console-progress-head b { color: var(--amber); font-size: 13px; font-weight: 600; }
.console-progress-rail {
  margin-top: 9px;
  height: 6px;
  border-radius: 3px;
  background: rgba(36, 64, 90, .8);
  overflow: hidden;
}
.console-progress-rail i {
  display: block;
  height: 100%;
  width: 0%;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--cyan-dim), var(--amber));
  transition: width 1.2s cubic-bezier(.2, .7, .2, 1);
}
.console-progress-foot {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 10px;
  color: #7894AA;
}
.console-foot {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px 16px;
  padding: 14px 22px 16px;
  border-top: 1px solid rgba(36, 64, 90, .7);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: #8FA4B4;
}
.console-foot b { color: var(--cyan); font-weight: 600; }

/* ============ STATUS STRIP ============ */
.status-strip {
  background: var(--night);
  border-top: 1px solid rgba(79, 214, 232, .14);
  border-bottom: 3px solid var(--amber);
}
.status-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.status-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 18px 22px;
  border-left: 1px solid rgba(79, 214, 232, .14);
  color: #C3D2DE;
  font-size: 14px;
  min-width: 0;
}
.status-item:last-child { border-right: 1px solid rgba(79, 214, 232, .14); }
.status-item b {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--cyan);
}

/* ============ SECTIONS (shared) ============ */
.section { padding: 104px var(--pad-x); }
.section-heading { max-width: 780px; margin: 0 0 52px; }
.section-heading.compact { max-width: 640px; }
.hmi-tag {
  display: inline-block;
  margin: 0 0 20px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--night);
  border: 1px solid var(--night);
  padding: 5px 11px;
  border-radius: 2px;
  position: relative;
}
.hmi-tag::before { content: "// "; color: var(--amber-deep); }
.hmi-tag.dark { color: var(--cyan); border-color: rgba(79, 214, 232, .5); }
.hmi-tag.dark::before { color: var(--amber); }
.section-heading h2, .author-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(40px, 4.6vw, 62px);
  line-height: 1;
  letter-spacing: -.005em;
  text-transform: uppercase;
}
.section-sub {
  margin: 20px 0 0;
  max-width: 660px;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.65;
}

/* ============ THE STANDARD ============ */
.standard { background: var(--paper); }
.requirement-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.requirement {
  background: var(--card);
  border: 1px solid var(--line);
  border-top: 3px solid var(--amber);
  border-radius: 4px;
  padding: 26px 28px 30px;
  box-shadow: 0 1px 3px rgba(16, 28, 40, .05);
  transition: transform .18s ease, box-shadow .18s ease;
}
.requirement:hover { transform: translateY(-4px); box-shadow: 0 14px 34px rgba(16, 28, 40, .1); }
.requirement-id {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 30px;
}
.requirement-id span {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--night-deep);
  background: var(--amber);
  padding: 3px 9px;
  border-radius: 2px;
}
.requirement-id i { height: 1px; flex: 1; background: var(--line); }
.requirement h3 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 27px;
  line-height: 1.05;
  text-transform: uppercase;
  letter-spacing: .01em;
}
.requirement p { margin: 0; color: var(--muted); line-height: 1.65; }
.signal-note {
  display: grid;
  grid-template-columns: 210px 1fr;
  gap: 14px 34px;
  align-items: start;
  margin-top: 20px;
  padding: 26px 30px;
  background: #E4EEF0;
  border-left: 4px solid var(--cyan-dim);
  border-radius: 0 4px 4px 0;
}
.signal-label {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: #1D7285;
  padding-top: 3px;
}
.signal-note p { margin: 0; line-height: 1.6; }

/* ============ TIMELINE ============ */
.timeline-section { background: var(--card); border-top: 1px solid var(--line); }
.timeline-rail-wrap { margin-top: 10px; }
.timeline-rail {
  position: relative;
  height: 8px;
  border-radius: 4px;
  background: #E4E7E3;
  margin-bottom: 66px;
}
.rail-fill {
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 0%;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--cyan-dim), var(--amber));
  transition: width 1.2s cubic-bezier(.2, .7, .2, 1);
}
.rail-now {
  position: absolute;
  z-index: 3;
  top: 50%;
  left: 0%;
  transform: translate(-50%, -50%);
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--amber);
  border: 3px solid #fff;
  box-shadow: 0 0 0 2px var(--amber), 0 3px 10px rgba(16, 28, 40, .25);
  transition: left 1.2s cubic-bezier(.2, .7, .2, 1);
}
.rail-now b {
  position: absolute;
  bottom: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--night-deep);
  background: var(--amber);
  padding: 3px 8px;
  border-radius: 2px;
  white-space: nowrap;
}
.rail-now b::after {
  content: "";
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 4px solid transparent;
  border-top-color: var(--amber);
}
.rail-milestone {
  position: absolute;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 12px;
  height: 12px;
  z-index: 2;
}
.rail-milestone > i {
  display: block;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--card);
  border: 3px solid var(--night);
  box-shadow: 0 0 0 2px var(--card);
}
.rail-milestone > b {
  position: absolute;
  top: calc(100% + 11px);
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: #4F5D67;
  white-space: nowrap;
}
.rail-start { left: 0; transform: translate(0, -50%); }
.rail-start > b { left: 0; transform: none; }
.rail-phase-one { left: 62.04%; }
.rail-phase-one > i { border-color: var(--amber-deep); }
.rail-end { left: 100%; transform: translate(-100%, -50%); }
.rail-end > b { left: auto; right: 0; transform: none; }
.timeline-points {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 36px;
}
.timeline-point { position: relative; padding-top: 4px; }
.point-dot {
  display: inline-block;
  width: 11px; height: 11px;
  border-radius: 50%;
  margin-bottom: 14px;
}
.point-dot.approved { background: var(--cyan-dim); }
.point-dot.phase1 { background: var(--amber); }
.point-dot.phase2 { background: var(--night); }
.timeline-point time {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: #1D7285;
}
.timeline-point h3 {
  margin: 10px 0 8px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 26px;
  line-height: 1.05;
  text-transform: uppercase;
}
.timeline-point p { margin: 0; max-width: 340px; color: var(--muted); line-height: 1.6; }
.source-note { margin: 48px 0 0; color: #5F696F; font-size: 13px; }
.source-note a { font-weight: 700; }

/* ============ ROADMAP ============ */
.roadmap {
  background:
    radial-gradient(900px 420px at 85% -10%, rgba(79, 214, 232, .1), transparent 60%),
    var(--night);
  color: #fff;
  padding-left: 0;
  padding-right: 0;
}
.roadmap-inner { max-width: var(--max); margin: 0 auto; padding: 0 24px; }
.roadmap .section-heading h2 { color: #fff; }
.roadmap .section-sub { color: #9FB2C0; }
/* ---- Readiness one-line diagram ---- */
.oneline {
  position: relative;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 0 14px;
  padding-top: 8px;
}
.oneline-feeder {
  position: absolute;
  left: 0; right: 0; top: 39px;
  width: 100%;
  height: 10px;
  z-index: 0;
  overflow: visible;
}
.feeder-base {
  stroke: #24405A;
  stroke-width: 2;
}
.feeder-current {
  stroke-width: 2.5;
  stroke-dasharray: 26 42;
  animation: feeder-flow 3.6s linear infinite;
  filter: drop-shadow(0 0 5px rgba(255, 178, 56, .5));
}
@keyframes feeder-flow {
  from { stroke-dashoffset: 0; }
  to { stroke-dashoffset: -68; }
}
.oneline-step {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.ol-node {
  display: grid;
  place-items: center;
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--panel);
  border: 2px solid var(--cyan-dim);
  color: var(--cyan);
  box-shadow: 0 0 0 6px var(--night), 0 0 22px rgba(79, 214, 232, .18);
  transition: transform .18s ease, border-color .18s ease, color .18s ease, box-shadow .18s ease;
}
.oneline-step:hover .ol-node {
  transform: translateY(-4px);
  border-color: var(--amber);
  color: var(--amber);
  box-shadow: 0 0 0 6px var(--night), 0 0 26px rgba(255, 178, 56, .3);
}
.ol-node svg { width: 30px; height: 30px; }
.ol-tag {
  margin-top: 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--amber);
  white-space: nowrap;
}
.oneline-step p {
  margin: 10px 0 0;
  max-width: 190px;
  color: #A9BAC7;
  font-size: 14px;
  line-height: 1.55;
}
.oneline-step.terminal .ol-node {
  background: var(--amber);
  border-color: var(--amber);
  color: var(--night-deep);
  box-shadow: 0 0 0 6px var(--night), 0 0 30px rgba(255, 178, 56, .45);
}
.oneline-step.terminal .ol-tag { color: #fff; }
.oneline-step.terminal p { color: #C9D6E0; font-weight: 500; }
.roadmap-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  margin-top: 42px;
  flex-wrap: wrap;
}
.roadmap-cta p { margin: 0; color: #A9BAC7; line-height: 1.55; }
.roadmap-cta strong { color: #fff; font-size: 19px; }
.roadmap-external { display: flex; flex-direction: column; align-items: flex-end; gap: 8px; }
.roadmap-external > span {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: #A9BAC7;
}

/* ============ ANALYSIS ============ */
.analysis { background: var(--paper); }
.resource-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
  gap: 16px;
  align-items: stretch;
}
.resource-stack { display: grid; gap: 16px; align-content: stretch; }
.resource {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 26px 28px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 4px;
  text-decoration: none;
  transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
}
.resource:hover {
  transform: translateY(-3px);
  border-color: var(--cyan-dim);
  box-shadow: 0 14px 34px rgba(16, 28, 40, .1);
}
.resource-kicker {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: #1D7285;
}
.resource h3 {
  margin: 14px 0 10px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 24px;
  line-height: 1.08;
  text-transform: uppercase;
  letter-spacing: .01em;
}
.resource p { margin: 0 0 14px; color: var(--muted); line-height: 1.6; }
.resource b {
  margin-top: auto;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--night);
}
.feature-resource {
  background: linear-gradient(160deg, #10293E, var(--night-deep));
  border: 1px solid var(--panel-line);
  border-top: 3px solid var(--amber);
  color: #fff;
  padding: 36px;
}
.feature-resource .resource-kicker { color: var(--amber); }
.feature-resource h3 { font-size: clamp(30px, 3vw, 40px); color: #fff; margin-top: 26px; }
.feature-resource p { color: #A9BAC7; }
.feature-resource b { color: var(--cyan); }
.feature-resource:hover { border-color: var(--cyan-dim); border-top-color: var(--amber); }

/* ============ SIGNUP BAND ============ */
.signup-band {
  padding: 0 var(--pad-x) 26px;
  background: var(--paper);
}
.signup-inner {
  background:
    radial-gradient(620px 300px at 88% -30%, rgba(79, 214, 232, .12), transparent 62%),
    var(--night);
  border: 1px solid var(--panel-line);
  border-left: 4px solid var(--amber);
  border-radius: 6px;
  color: #fff;
  padding: 40px 48px;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  gap: 24px 56px;
  align-items: center;
}
.signup-copy .hmi-tag { margin-bottom: 14px; }
.signup-copy h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(28px, 3vw, 40px);
  line-height: 1.02;
  text-transform: uppercase;
  color: #fff;
}
.signup-sub { margin: 12px 0 0; color: #A9BAC7; font-size: 16px; }
.signup-row { display: flex; gap: 10px; }
.signup-form input[type="email"] {
  flex: 1;
  min-width: 0;
  height: 52px;
  padding: 0 16px;
  border-radius: 3px;
  border: 1px solid var(--panel-line);
  background: rgba(6, 14, 24, .85);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 14px;
}
.signup-form input[type="email"]::placeholder { color: #5E7891; }
.signup-form input[type="email"]:focus {
  outline: 2px solid var(--cyan);
  outline-offset: 0;
  border-color: var(--cyan);
}
.signup-form button {
  height: 52px;
  padding: 0 24px;
  border: 0;
  border-radius: 3px;
  background: var(--amber);
  color: var(--night-deep);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 16px;
  letter-spacing: .1em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background .16s ease, transform .16s ease;
}
.signup-form button:hover { background: #FFC96A; transform: translateY(-1px); }
.signup-form button:disabled { opacity: .6; cursor: default; transform: none; }
.signup-note {
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .02em;
  color: #C3D2DE;
}
.signup-privacy {
  margin: 6px 0 0;
  font-size: 11.5px;
  color: #7E95A7;
}
.signup-note.is-success { color: var(--cyan); font-weight: 600; }
.signup-note.is-error { color: var(--amber); font-weight: 600; }
.hp-field { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  border: 0;
}

/* ============ AUTHOR ============ */
.author-band { padding: 0 var(--pad-x) 104px; background: var(--paper); }
.author-inner {
  background: linear-gradient(130deg, #0F5D7C, #0A3A55);
  border-radius: 6px;
  border-top: 4px solid var(--amber);
  color: #fff;
  padding: 52px 56px;
  display: grid;
  grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
  gap: 30px 64px;
  box-shadow: 0 24px 60px rgba(16, 28, 40, .18);
}
.author-head h2 { color: #fff; font-size: clamp(34px, 3.6vw, 48px); }
.author-id {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-top: 22px;
}
.author-id img {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--amber);
  box-shadow: 0 0 0 5px rgba(79, 214, 232, .18), 0 10px 26px rgba(6, 14, 24, .35);
}
.author-id b {
  display: block;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 21px;
  letter-spacing: .03em;
  text-transform: uppercase;
  color: #fff;
}
.author-id span {
  display: block;
  margin-top: 5px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: #9FD9E8;
}
.author-body p { margin: 0; font-size: 17px; line-height: 1.7; color: #DBE9F0; }
.author-links { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
.author-links a {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  text-decoration: none;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, .4);
  border-radius: 3px;
  padding: 10px 16px;
  transition: background .16s ease, color .16s ease;
}
.author-links a:hover { background: var(--amber); border-color: var(--amber); color: var(--night-deep); }

/* ============ FOOTER ============ */
footer { background: var(--night-deep); color: #7A8FA0; }
.footer-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 44px 24px 48px;
  display: grid;
  grid-template-columns: 170px 1fr auto;
  gap: 34px;
  align-items: start;
  font-size: 12px;
  line-height: 1.65;
}
.footer-brand {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 15px;
  color: #fff;
  text-decoration: none;
}
.footer-brand b { color: var(--amber); font-weight: 600; }
.footer-inner p { margin: 0; max-width: 640px; }
.footer-year { font-family: var(--font-mono); font-size: 11px; white-space: nowrap; }

/* ============ RESPONSIVE ============ */
@media (max-width: 1080px) {
  .brand-sub { display: none; }
  .brand-divider { display: none; }
}
@media (max-width: 940px) {
  nav > a:not(.nav-cta) { display: none; }
  .hero-inner { grid-template-columns: 1fr; gap: 52px; padding-top: 72px; padding-bottom: 80px; }
  .status-inner { grid-template-columns: 1fr 1fr; }
  .status-item:nth-child(2) { border-right: 1px solid rgba(79, 214, 232, .14); }
  .status-item:nth-child(n+3) { border-top: 1px solid rgba(79, 214, 232, .14); }
  .requirement-grid { grid-template-columns: 1fr; }
  .timeline-points { grid-template-columns: 1fr; gap: 30px; }
  .timeline-rail { display: none; }
  .timeline-point { padding-left: 26px; border-left: 2px solid var(--line); }
  .point-dot { position: absolute; left: -7px; top: 8px; margin: 0; }
  .resource-grid { grid-template-columns: 1fr; }
  .oneline { grid-template-columns: 1fr; gap: 34px 0; padding-left: 8px; }
  .oneline-feeder { display: none; }
  .oneline::before {
    content: "";
    position: absolute;
    left: 43px; top: 20px; bottom: 20px;
    width: 2px;
    background: linear-gradient(180deg, var(--cyan-dim), var(--amber));
    z-index: 0;
  }
  .oneline-step {
    display: grid;
    grid-template-columns: 72px 1fr;
    grid-template-rows: auto auto;
    column-gap: 20px;
    align-items: start;
    text-align: left;
  }
  .oneline-step .ol-node { grid-row: 1 / span 2; }
  .oneline-step p { max-width: none; margin-top: 6px; }
  .ol-tag { margin-top: 4px; }
  .author-inner { grid-template-columns: 1fr; padding: 40px 34px; }
  .signup-inner { grid-template-columns: 1fr; padding: 34px 30px; }
  .footer-inner { grid-template-columns: 1fr; gap: 22px; }
}
@media (max-width: 620px) {
  .header-inner { height: 62px; gap: 12px; }
  .brand-mark { font-size: 15px; }
  .header-clock { padding: 4px 9px; font-size: 11px; }
  .nav-cta span:last-child { display: none; }
  .nav-cta { padding: 7px 9px; }
  .hero-inner { padding-top: 56px; padding-bottom: 64px; }
  .hero h1 { font-size: clamp(38px, 10.5vw, 52px); }
  .hl-line { white-space: normal; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .console-clock { padding: 20px 14px 16px; }
  .console-titlebar, .console-progress, .console-foot { padding-left: 14px; padding-right: 14px; }
  .clock-cell strong { font-size: clamp(26px, 8.4vw, 34px); }
  .clock-sep { font-size: 22px; }
  .status-inner { grid-template-columns: 1fr; }
  .status-item, .status-item:last-child, .status-item:nth-child(2) { border-left: 0; border-right: 0; }
  .status-item + .status-item { border-top: 1px solid rgba(79, 214, 232, .14); }
  .section { padding-top: 76px; padding-bottom: 76px; }
  .signal-note { grid-template-columns: 1fr; padding: 22px 22px; }
  .roadmap-cta { align-items: stretch; flex-direction: column; }
  .roadmap-cta .button { width: 100%; }
  .roadmap-external { align-items: stretch; }
  .feature-resource { padding: 28px 24px; }
  .feature-resource h3 { margin-top: 20px; }
  .author-band { padding-left: 16px; padding-right: 16px; }
  .signup-band { padding-left: 16px; padding-right: 16px; }
  .signup-inner { padding: 28px 22px; }
  .signup-row { flex-direction: column; }
  .signup-form button { width: 100%; }
  .author-inner { padding: 32px 24px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}
