/* =====================================================
   THE MARK — splash site
   Tokens per design handoff README (Claude Design)
   ===================================================== */

:root {
  --bg: #07060f;
  --boot-bg: #050409;
  --green: #aecaa2;
  --green-bright: #d8ebc9;
  --green-dim: #7e9576;
  --violet: #7c5cff;
  --violet-hover: #8f72ff;
  --violet-border-hover: #9a7cff;
  --red: #ff3b3b;
  --amber: #d8a24a;
  --text: #e7e3f6;
  --body: #9a95ba;
  --body-2: #b7b2d3;
  --muted: #8681a6;
  --muted-2: #6f6a90;
  --faint: #565274;
  --faint-2: #454264;
  --border-green: rgba(174, 202, 162, .28);
  --border-violet: rgba(124, 92, 255, .28);
  --font-display: 'Chakra Petch', sans-serif;
  --font-mono: 'Space Mono', monospace;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--body);
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.7;
  overflow-x: hidden;
}

::selection { background: var(--violet); color: #fff; }

/* No border-radius anywhere — hard corners are intentional. */

h1, h2, h3 { font-family: var(--font-display); }

/* =============== BOOT OVERLAY =============== */

.mk-boot {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: var(--boot-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity .72s ease;
}
.mk-boot.mk-boot-fade { opacity: 0; pointer-events: none; }

.mk-boot-inner {
  width: min(760px, 86vw);
  position: relative;
  z-index: 2;
}

.mk-boot-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}
.mk-boot-dot {
  width: 8px; height: 8px;
  background: var(--green);
  animation: mk-pulse 1.4s ease-in-out infinite;
}
.mk-boot-title {
  font-size: 11px;
  letter-spacing: .24em;
  color: var(--faint);
}
.mk-boot-rule {
  border: none;
  border-top: 1px solid rgba(86, 82, 116, .35);
  margin-bottom: 22px;
}

.mk-boot-pre {
  font-family: var(--font-mono);
  font-size: clamp(12px, 1.5vw, 15px);
  line-height: 1.85;
  color: var(--green);
  text-shadow: 0 0 8px rgba(174, 202, 162, .35);
  min-height: 44vh;
  white-space: pre-wrap;
}
.mk-boot-cursor {
  display: inline-block;
  width: 9px; height: 17px;
  background: var(--green);
  vertical-align: text-bottom;
  animation: mk-blink 1s steps(1) infinite;
}

.mk-boot-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}
.mk-boot-comms { color: var(--green-dim); border-color: rgba(174, 202, 162, .35); }

.mk-boot-skip {
  margin-top: 26px;
  background: transparent;
  border: 1px solid rgba(86, 82, 116, .5);
  color: var(--faint);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  padding: 10px 18px;
  cursor: pointer;
  transition: color .2s, border-color .2s;
}
.mk-boot-skip:hover, .mk-boot-skip:focus-visible {
  color: var(--green);
  border-color: var(--border-green);
}

@keyframes mk-blink { 0%, 49% { opacity: 1; } 50%, 100% { opacity: 0; } }
@keyframes mk-pulse { 0%, 100% { opacity: 1; } 50% { opacity: .3; } }

/* =============== HUD CHROME =============== */

.mk-hud { position: fixed; inset: 0; z-index: 50; pointer-events: none; }

.mk-corner {
  position: fixed;
  width: 26px; height: 26px;
  border: 2px solid rgba(174, 202, 162, .5);
  z-index: 55;
}
.mk-corner-tl { top: 10px; left: 10px; border-right: none; border-bottom: none; }
.mk-corner-tr { top: 10px; right: 10px; border-left: none; border-bottom: none; }
.mk-corner-bl { bottom: 10px; left: 10px; border-right: none; border-top: none; }
.mk-corner-br { bottom: 10px; right: 10px; border-left: none; border-top: none; }

.mk-statusbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 48px;
  background: rgba(10, 8, 22, .72);
  border-bottom: 1px solid rgba(174, 202, 162, .14);
  font-size: 10px;
  letter-spacing: .22em;
  color: var(--faint);
  z-index: 52;
}
.mk-status-left { display: flex; align-items: center; gap: 8px; }
.mk-rec-dot {
  width: 7px; height: 7px;
  background: var(--red);
  border-radius: 50%;
  animation: mk-pulse 1.4s ease-in-out infinite;
}
.mk-status-right { color: var(--green); }
.mk-status-rgroup { display: flex; align-items: center; gap: 22px; }
.mk-comms-toggle {
  pointer-events: auto;
  background: transparent;
  border: 1px solid rgba(86, 82, 116, .5);
  color: var(--faint);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .22em;
  padding: 4px 10px;
  cursor: pointer;
  transition: color .2s, border-color .2s;
}
.mk-comms-toggle:hover { color: var(--green); border-color: var(--border-green); }
.mk-comms-toggle.mk-comms-on { color: var(--green); border-color: var(--border-green); }

@media (max-width: 720px) {
  .mk-status-center { display: none; }
  .mk-statusbar { padding: 0 44px; }
}

/* Radio-scanner feed */
.mk-feed {
  position: fixed;
  right: 16px;
  bottom: 16px;
  width: min(380px, 40vw);
  text-align: right;
  background: rgba(10, 8, 22, .72);
  border: 1px solid rgba(174, 202, 162, .14);
  padding: 10px 14px;
  z-index: 52;
}
.mk-feed-label {
  font-size: 10px;
  letter-spacing: .26em;
  color: var(--green-dim);
  margin-bottom: 6px;
}
.mk-feed-lines { font-size: 11px; line-height: 1.6; color: var(--muted-2); }
.mk-feed-line { animation: mk-feed-in .4s ease both; }
.mk-feed-line .mk-feed-ts { color: var(--green-dim); margin-right: 8px; }
@keyframes mk-feed-in {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: none; }
}
@media (max-width: 720px) { .mk-feed { display: none; } }

/* =============== FX LAYERS =============== */

.mk-fx { position: fixed; inset: 0; pointer-events: none; }

.mk-scanlines {
  background: repeating-linear-gradient(0deg, rgba(0, 0, 0, .22) 0 1px, transparent 2px 3px);
  mix-blend-mode: multiply;
  opacity: .55;
  z-index: 48;
  animation: mk-scan .5s steps(3) infinite;
}
.mk-boot .mk-scanlines { position: absolute; z-index: 1; }
@keyframes mk-scan { from { background-position: 0 0; } to { background-position: 0 6px; } }

.mk-flicker {
  background: #8a6bff;
  mix-blend-mode: soft-light;
  opacity: .06;
  z-index: 47;
  animation: mk-flick 5s infinite;
}
@keyframes mk-flick {
  0% { opacity: .05; } 9% { opacity: .09; } 14% { opacity: .04; }
  31% { opacity: .08; } 44% { opacity: .05; } 58% { opacity: .11; }
  63% { opacity: .05; } 79% { opacity: .08; } 91% { opacity: .04; } 100% { opacity: .06; }
}

.mk-vignette {
  box-shadow: inset 0 0 220px 60px rgba(0, 0, 0, .9);
  z-index: 46;
}

.mk-reticle {
  position: fixed;
  top: 0; left: 0;
  z-index: 60;
  pointer-events: none;
  opacity: 0;
  transition: opacity .4s ease;
  will-change: transform;
}
.mk-reticle.mk-reticle-on { opacity: 1; }
@media (pointer: coarse) { .mk-reticle { display: none; } }

/* =============== SHARED =============== */

.mk-eyebrow {
  font-size: 12px;
  letter-spacing: .34em;
  text-transform: uppercase;
  color: var(--violet);
}
.mk-eyebrow-rule {
  height: 1px;
  width: 180px;
  margin-top: 10px;
  background: linear-gradient(90deg, var(--violet), transparent);
}
.mk-green { color: var(--green); }

.mk-h2 {
  font-weight: 700;
  font-size: clamp(34px, 5vw, 60px);
  color: var(--text);
  line-height: 1.08;
  letter-spacing: .02em;
}

/* Buttons */
.mk-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: .12em;
  padding: 16px 28px;
  cursor: pointer;
  text-decoration: none;
  transition: transform .2s, box-shadow .2s, background .2s, border-color .2s, color .2s;
}
.mk-btn-primary {
  background: var(--violet);
  color: #fff;
  border: 1px solid var(--violet);
  box-shadow: 0 0 30px rgba(124, 92, 255, .4);
}
.mk-btn-primary:hover, .mk-btn-primary:focus-visible {
  background: var(--violet-hover);
  border-color: var(--violet-border-hover);
  box-shadow: 0 0 44px rgba(124, 92, 255, .7);
  transform: translateY(-2px);
}
.mk-btn-dot {
  width: 8px; height: 8px;
  background: #fff;
  border-radius: 50%;
  animation: mk-pulse 1.4s ease-in-out infinite;
}
.mk-btn-ghost {
  background: transparent;
  color: var(--green);
  border: 1px solid var(--border-green);
}
.mk-btn-ghost:hover, .mk-btn-ghost:focus-visible {
  background: rgba(174, 202, 162, .08);
  border-color: rgba(174, 202, 162, .7);
  color: var(--green-bright);
}

/* Links */
.mk-link {
  display: block;
  color: var(--green);
  text-decoration: none;
  font-size: 13px;
  margin-bottom: 10px;
  transition: color .2s;
}
.mk-link:hover, .mk-link:focus-visible { color: var(--green-bright); }
.mk-link-btn {
  background: none;
  border: none;
  font-family: var(--font-mono);
  cursor: pointer;
  padding: 0;
  text-align: left;
}

/* =============== 1. HERO =============== */

.mk-hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.mk-hero-bg {
  position: absolute;
  inset: -12% 0;
  background: url('/assets/bg_city.jpg') center 30% / cover no-repeat;
  will-change: transform;
  z-index: 0;
}
.mk-hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, transparent 60%, var(--bg) 100%),
    linear-gradient(90deg, rgba(7, 6, 15, .94) 0%, rgba(7, 6, 15, .55) 45%, rgba(7, 6, 15, .35) 100%);
}
.mk-hero-content {
  position: relative;
  z-index: 1;
  max-width: 1000px;
  padding: clamp(52px, 8vw, 150px);
  padding-top: 120px;
}

.mk-kicker {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-top: 34px;
  font-size: clamp(16px, 2.4vw, 26px);
  letter-spacing: .5em;
  color: var(--green);
}
.mk-kicker-rule { height: 2px; width: 64px; background: var(--green); opacity: .6; }

.mk-title {
  font-weight: 700;
  font-size: clamp(84px, 17vw, 230px);
  line-height: .86;
  letter-spacing: .04em;
  color: var(--green);
  text-shadow: 0 0 40px rgba(174, 202, 162, .25);
}

.mk-tagline {
  margin-top: 26px;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(19px, 2.5vw, 30px);
  color: var(--text);
}
.mk-subcopy {
  margin-top: 16px;
  max-width: 560px;
  font-size: 13.5px;
  color: var(--body);
}
.mk-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 36px;
}
.mk-micro {
  margin-top: 22px;
  font-size: 10px;
  letter-spacing: .3em;
  color: var(--faint);
}

/* Hero entrance */
.mk-rise { opacity: 0; transform: translateY(26px); }
body.mk-entered .mk-rise {
  animation: mk-rise-in .8s ease both;
  animation-delay: var(--d, 0s);
}
@keyframes mk-rise-in {
  from { opacity: 0; transform: translateY(26px); }
  to   { opacity: 1; transform: none; }
}

.mk-scroll-cue {
  position: absolute;
  bottom: 26px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  font-size: 10px;
  letter-spacing: .3em;
  color: var(--faint);
  z-index: 1;
}
.mk-scroll-line {
  width: 1px; height: 46px;
  background: linear-gradient(180deg, var(--green), transparent);
}

/* =============== 2. PREMISE BAND =============== */

.mk-premise {
  position: relative;
  height: 78vh;
  min-height: 520px;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}
.mk-premise-bg {
  position: absolute;
  inset: -10% 0;
  background: url('/assets/cover.png') center / cover no-repeat;
  will-change: transform;
}
.mk-premise-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, var(--bg) 0%, transparent 30%, transparent 65%, var(--bg) 100%);
}
.mk-premise-content {
  position: relative;
  z-index: 1;
  max-width: 820px;
  padding: clamp(28px, 6vw, 120px);
  padding-bottom: clamp(70px, 10vh, 130px);
}
.mk-premise-headline {
  margin-top: 18px;
  font-weight: 600;
  font-size: clamp(26px, 3.6vw, 46px);
  color: var(--text);
  line-height: 1.2;
}
.mk-premise-body {
  margin-top: 18px;
  font-size: 13.5px;
  color: var(--body-2);
  max-width: 620px;
}
.mk-premise-body strong { color: var(--text); }

/* =============== 3. TWO MODES =============== */

.mk-modes {
  background: var(--bg);
  padding: clamp(70px, 12vh, 150px) clamp(28px, 6vw, 120px);
}
.mk-modes-head { text-align: center; margin-bottom: 48px; }
.mk-modes-head .mk-h2 { margin-top: 14px; }

.mk-modes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 22px;
  max-width: 1180px;
  margin: 0 auto;
}
.mk-card {
  position: relative;
  min-height: 440px;
  border: 1px solid var(--border-green);
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  transition: border-color .3s;
}
.mk-card:hover { border-color: rgba(174, 202, 162, .7); }
.mk-card-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  filter: brightness(.45);
  transition: transform .6s ease;
}
.mk-card:hover .mk-card-bg { transform: scale(1.05); }
.mk-card-content {
  position: relative;
  z-index: 1;
  padding: 34px;
  background: linear-gradient(180deg, transparent, rgba(7, 6, 15, .88) 45%);
  width: 100%;
}
.mk-card-label {
  font-size: 11px;
  letter-spacing: .3em;
  margin-bottom: 10px;
}
.mk-card-label-amber { color: var(--amber); }
.mk-card-label-red { color: var(--red); }
.mk-card-h3 {
  font-weight: 700;
  font-size: 32px;
  color: var(--green);
  margin-bottom: 12px;
}
.mk-card-body { font-size: 13px; color: var(--body); max-width: 460px; }
.mk-card-index {
  position: absolute;
  top: 20px;
  right: 24px;
  z-index: 1;
  font-family: var(--font-display);
  font-size: 15px;
  color: var(--faint);
  letter-spacing: .2em;
}

/* =============== 4. INTEL / CTA =============== */

.mk-intel {
  position: relative;
  padding: clamp(70px, 12vh, 150px) clamp(28px, 6vw, 120px);
  overflow: hidden;
}
.mk-intel-bg {
  position: absolute;
  inset: 0;
  background: url('/assets/bg_evidence.jpg') center / cover no-repeat;
  filter: brightness(.35);
}
.mk-intel-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, var(--bg) 0%, transparent 25%, transparent 75%, var(--bg) 100%);
}

.mk-panel {
  position: relative;
  z-index: 1;
  max-width: 720px;
  margin: 0 auto;
  background: rgba(10, 8, 22, .72);
  backdrop-filter: blur(2px);
  border: 1px solid var(--border-green);
  padding: clamp(30px, 5vw, 56px);
}
.mk-panel-status {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 11px;
  letter-spacing: .26em;
  color: var(--green-dim);
}
.mk-pulse-dot {
  width: 8px; height: 8px;
  background: var(--green);
  border-radius: 50%;
  animation: mk-pulse 1.4s ease-in-out infinite;
}
.mk-panel-h2 { margin-top: 20px; font-size: clamp(28px, 4vw, 44px); }
.mk-panel-body { margin: 18px 0 28px; font-size: 13.5px; color: var(--body); }
.mk-panel-body strong { color: var(--text); }
.mk-panel-divider {
  border: none;
  border-top: 1px solid rgba(174, 202, 162, .18);
  margin: 30px 0;
}

.mk-form { display: flex; flex-wrap: wrap; gap: 12px; }
.mk-input {
  flex: 1 1 260px;
  background: rgba(7, 6, 15, .8);
  border: 1px solid var(--border-green);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 13px;
  padding: 15px 18px;
  outline: none;
  transition: border-color .2s;
}
.mk-input::placeholder { color: var(--faint); }
.mk-input:focus { border-color: rgba(174, 202, 162, .7); }
.mk-input.mk-input-error { border-color: var(--red); }
.mk-hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.mk-form-success {
  font-size: 13px;
  color: var(--green);
  letter-spacing: .06em;
  text-shadow: 0 0 8px rgba(174, 202, 162, .35);
}

/* =============== 5. FOOTER =============== */

.mk-footer {
  border-top: 1px solid var(--border-violet);
  padding: clamp(50px, 8vh, 90px) clamp(28px, 6vw, 120px) 110px;
  background: var(--bg);
}
.mk-footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 44px;
  max-width: 1180px;
  margin: 0 auto;
}
@media (min-width: 760px) {
  .mk-footer-grid { grid-template-columns: 2fr 1fr 1fr; }
}
.mk-footer-logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: .14em;
  color: var(--green);
}
.mk-footer-blurb {
  margin: 14px 0 16px;
  font-size: 13px;
  color: var(--muted);
  max-width: 380px;
}
.mk-footer-col-title {
  font-size: 11px;
  letter-spacing: .3em;
  color: var(--faint);
  margin-bottom: 16px;
}
.mk-footer-legal {
  max-width: 1180px;
  margin: 60px auto 0;
  padding-top: 24px;
  border-top: 1px solid rgba(86, 82, 116, .25);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px;
  font-size: 10px;
  letter-spacing: .18em;
  color: var(--faint-2);
}

/* =============== TOAST =============== */

.mk-toast {
  position: fixed;
  left: 50%;
  bottom: 64px;
  transform: translate(-50%, 20px);
  z-index: 90;
  background: rgba(10, 8, 22, .92);
  border: 1px solid var(--border-violet);
  color: var(--text);
  font-size: 12px;
  letter-spacing: .18em;
  padding: 14px 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity .3s, transform .3s;
  box-shadow: 0 0 30px rgba(124, 92, 255, .3);
  text-align: center;
  max-width: 90vw;
}
.mk-toast.mk-toast-on { opacity: 1; transform: translate(-50%, 0); }

/* =============== REDUCED MOTION =============== */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .mk-scanlines, .mk-flicker { animation: none; }
  .mk-reticle { display: none; }
  .mk-rise, body.mk-entered .mk-rise {
    opacity: 1; transform: none; animation: none;
  }
  .mk-feed-line { animation: none; }
  .mk-rec-dot, .mk-pulse-dot, .mk-btn-dot, .mk-boot-dot { animation: none; }
  .mk-hero-bg, .mk-premise-bg { transform: none !important; }
}