:root {
  --bg: #0a100f;
  --card: #0f1716;
  --card-2: #121c1a;
  --text: #e6efe9;
  --dim: #86988f;
  --line: #1d2a27;
  --coral: #ff795f;
  --mint: #e4f1eb;
  --display: 'Space Grotesk', sans-serif;
  --sans: 'DM Sans', sans-serif;
  --mono: 'JetBrains Mono', monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 var(--sans);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

/* grain overlay */
.noise {
  position: fixed;
  inset: 0;
  z-index: 999;
  pointer-events: none;
  opacity: 0.35;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3CfeColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.04 0'/%3E%3C/filter%3E%3Crect width='120' height='120' filter='url(%23n)'/%3E%3C/svg%3E");
}

main, .header, .footer { max-width: 1140px; margin: 0 auto; padding: 0 32px; }

a { color: var(--text); }

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

.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 24px;
  padding-bottom: 24px;
  position: sticky;
  top: 0;
  z-index: 20;
  background: color-mix(in srgb, var(--bg) 80%, transparent);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
}

.header > .brand {
  gap: 13px;
  font-size: 19px;
  font-weight: 600;
}

.header > .brand img {
  width: 38px;
  height: 38px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font: 500 16px var(--display);
  letter-spacing: -0.02em;
}

.brand b {
  color: var(--coral);
  font-weight: 600;
}

.nav { display: flex; gap: 28px; }

.nav a {
  text-decoration: none;
  font-size: 14px;
  color: var(--dim);
  transition: color .15s;
}

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

.cta {
  background: var(--coral);
  color: #1c110d !important;
  padding: 13px 24px;
  border-radius: 8px;
  font: 500 15px var(--sans);
  text-decoration: none;
  border: 0;
  cursor: pointer;
  transition: transform .15s, box-shadow .2s;
  box-shadow: 0 0 0 0 rgba(255, 121, 95, 0);
}

.cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px -8px rgba(255, 121, 95, 0.55);
}

.cta-small { padding: 10px 18px; font-size: 14px; }

.case-access {
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 9px 15px;
  font-size: 13px;
  text-decoration: none;
  transition: border-color .15s, background .15s;
}

.case-access:hover {
  border-color: #40544e;
  background: var(--card);
}

/* ---------- kicker ---------- */

.kicker {
  font: 500 11px var(--mono);
  letter-spacing: 0.14em;
  color: var(--dim);
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 22px;
}

.kicker-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--coral);
  box-shadow: 0 0 12px var(--coral);
  animation: blink 2.4s infinite;
}

@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0.35; } }

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

.motto {
  color: var(--coral);
  font-size: 11px;
  letter-spacing: 0.18em;
  margin: 0 0 22px;
  position: relative;
  z-index: 2;
}

.hero {
  --carousel-time: 10000ms;
  padding: 28px 0 18px;
  position: relative;
  isolation: isolate;
}

.hero-scan {
  position: absolute;
  top: -100px;
  bottom: 0;
  left: calc(50% - 50vw);
  right: calc(50% - 50vw);
  background:
    linear-gradient(transparent 0%, rgba(255, 121, 95, 0.03) 50%, transparent 100%),
    repeating-linear-gradient(to bottom, transparent 0 79px, rgba(228, 241, 235, 0.025) 79px 80px);
  mask-image: radial-gradient(ellipse 70% 90% at 40% 30%, black, transparent);
  pointer-events: none;
  z-index: -1;
}

.hero-stage {
  display: grid;
  min-height: 430px;
  position: relative;
}

.hero-slide {
  grid-area: 1 / 1;
  display: grid;
  grid-template-columns: minmax(0, 1.24fr) minmax(300px, 0.76fr);
  align-items: center;
  gap: clamp(36px, 6vw, 76px);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(18px);
  transition: opacity .55s ease, transform .55s ease, visibility 0s linear .55s;
}

.hero-slide.is-active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: none;
  transition-delay: .12s, .12s, 0s;
}

.hero-copy { position: relative; z-index: 2; }

.hero-slide-ncii { grid-template-columns: 1fr; }
.hero-slide-ncii .hero-copy { max-width: 920px; }

.hero-slide-ncii .hero-visual-mark {
  position: absolute;
  inset: 0 -40px 0 auto;
  width: 430px;
  z-index: 0;
}

.hero h1 {
  font: 600 clamp(44px, 5.8vw, 72px)/1.02 var(--display);
  letter-spacing: -0.045em;
  margin: 0 0 26px;
  position: relative;
}

.accent-text { color: var(--coral); }

.hero-visual {
  min-height: 340px;
  display: grid;
  place-items: center;
  position: relative;
}

.hero-visual-mark { overflow: visible; }

.hero-mark {
  width: clamp(280px, 31vw, 430px);
  height: auto;
  opacity: 0.075;
  transform: rotate(-8deg);
  pointer-events: none;
  user-select: none;
  animation: mark-drift 14s ease-in-out infinite alternate;
}

@keyframes mark-drift {
  from { transform: rotate(-8deg) translateY(0); }
  to { transform: rotate(-5deg) translateY(-18px); }
}

.redact {
  position: relative;
  display: inline-grid;
  place-items: center;
  vertical-align: baseline;
  color: var(--coral);
  background: transparent;
  border: 0;
  border-radius: 6px;
  padding: 0 0.18em;
  margin: 0;
  font: inherit;
  line-height: inherit;
  letter-spacing: inherit;
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
}

.redact-copy { grid-area: 1 / 1; }

.redact-cover {
  position: absolute;
  inset: 0;
  color: var(--coral);
  pointer-events: none;
}

.redact-cover::before, .redact-cover::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  height: 51%;
  background: linear-gradient(100deg, #20342f, #2c463f);
  opacity: 1;
  transition: transform .46s cubic-bezier(.2, .8, .2, 1), opacity .35s ease;
}

.redact-cover::before {
  top: 0;
  border: 1px solid #354e47;
  border-bottom: 0;
  border-radius: 6px 6px 0 0;
}

.redact-cover::after {
  bottom: 0;
  border: 1px solid #354e47;
  border-top: 0;
  border-radius: 0 0 6px 6px;
}

.redact-cover > span {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: grid;
  place-items: center;
  font: 500 clamp(9px, .85vw, 11px) var(--mono);
  letter-spacing: .16em;
  text-indent: .16em;
  transition: opacity .18s ease;
}

.redact.open .redact-cover::before,
.redact:hover .redact-cover::before {
  transform: translateY(-112%);
  opacity: 0;
}

.redact.open .redact-cover::after,
.redact:hover .redact-cover::after {
  transform: translateY(112%);
  opacity: 0;
}

.redact.open .redact-cover > span,
.redact:hover .redact-cover > span { opacity: 0; }

.redact:focus-visible {
  outline: 1px solid var(--coral);
  outline-offset: 5px;
}

.lede {
  color: var(--dim);
  font-size: clamp(17px, 2vw, 20px);
  max-width: 600px;
  margin: 0;
}

.hero-actions { display: flex; align-items: center; gap: 26px; margin-top: 30px; flex-wrap: wrap; }

.ghost {
  color: var(--text);
  text-decoration: none;
  font-size: 15px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 4px;
  transition: border-color .2s;
}

.ghost span { color: var(--coral); }
.ghost:hover { border-color: var(--coral); }

.hero-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 34px;
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--dim);
}

.hero-meta i { width: 24px; height: 1px; background: var(--line); }

/* deepfake word treatment and truthful removal-case visual */

.deepfake-headline { font-size: clamp(42px, 5vw, 64px) !important; }
.deepfake-headline .headline-line { display: block; }

.deepfake-word {
  display: flex;
  align-items: baseline;
  width: fit-content;
  position: relative;
  line-height: .94;
}

.deep-insert {
  color: var(--coral);
  font: 500 .46em var(--mono);
  letter-spacing: .035em;
  margin-right: -.04em;
  opacity: 0;
  transform: translateX(18px) rotate(-3deg);
}

.fake-word { position: relative; }

.hero-slide-deepfake.is-active .deep-insert { animation: deep-insert .7s cubic-bezier(.2, .8, .2, 1) .28s forwards; }
.hero-slide-deepfake.is-active .fake-word { animation: fake-settle .82s steps(2, end) .36s both; }

@keyframes deep-insert {
  55% { opacity: 1; transform: translateX(-3px) rotate(1deg); }
  100% { opacity: 1; transform: none; }
}

@keyframes fake-settle {
  0%, 24% { transform: translateX(5px); text-shadow: -5px 0 var(--coral), 5px 0 #82a99a; }
  25%, 52% { transform: translateX(-3px); text-shadow: 3px 0 var(--coral), -3px 0 #82a99a; }
  53%, 72% { transform: translateX(2px); text-shadow: -2px 0 rgba(255, 121, 95, .55); }
  73%, 100% { transform: none; text-shadow: none; }
}

.deepfake-case {
  width: 100%;
  max-width: 390px;
  background: rgba(15, 23, 22, .94);
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 38px 80px -42px rgba(0, 0, 0, .85);
  transform: rotate(.55deg);
}

.deepfake-case-head {
  min-height: 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 15px;
  background: var(--card-2);
  border-bottom: 1px solid var(--line);
  color: var(--dim);
  font-size: 8.5px;
  letter-spacing: .12em;
}

.deepfake-case-head b { color: var(--coral); font-weight: 400; }

.deepfake-portrait {
  height: 128px;
  position: relative;
  overflow: hidden;
  background: #09100f;
  border-bottom: 1px solid var(--line);
}

.deepfake-portrait::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(10, 16, 15, .55), transparent 28%, transparent 72%, rgba(10, 16, 15, .55)),
    repeating-linear-gradient(to bottom, transparent 0 23px, rgba(228, 241, 235, .025) 23px 24px);
}

.deepfake-portrait img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 35%;
  filter: blur(1.2px) saturate(.68) contrast(.92);
  transform: scale(1.035);
}

.deepfake-censor {
  position: absolute;
  z-index: 2;
  top: 39%;
  left: 7%;
  right: 7%;
  padding: 7px 10px;
  background: #050807;
  color: var(--coral);
  border: 1px solid rgba(255, 121, 95, .3);
  box-shadow: 0 8px 24px rgba(0, 0, 0, .55);
  font-size: 8.5px;
  letter-spacing: .26em;
  text-align: center;
}

.deepfake-case-details { padding: 8px 15px; }

.deepfake-case-details p {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin: 0;
  padding: 4px 0;
  font-size: 8.2px;
  letter-spacing: .07em;
}

.deepfake-case-details span { color: var(--dim); }
.deepfake-case-details b { color: var(--mint); font-weight: 400; text-align: right; }

.deepfake-case-progress {
  list-style: none;
  margin: 0;
  padding: 7px 15px 11px;
  border-top: 1px solid var(--line);
  background: rgba(10, 16, 15, .42);
}

.deepfake-case-progress li {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 10px;
  align-items: center;
  min-height: 24px;
  color: var(--dim);
  font-size: 8.5px;
  letter-spacing: .09em;
}

.deepfake-case-progress b { color: var(--dim); font-weight: 400; }
.deepfake-case-progress .done { color: var(--mint); }
.deepfake-case-progress .done b { color: #6fbf87; }
.deepfake-case-progress .now { color: var(--text); }
.deepfake-case-progress .now b { color: var(--coral); }

/* carousel navigation */

.carousel-chrome { position: relative; z-index: 4; }

.carousel-progress {
  width: 100%;
  height: 1px;
  overflow: hidden;
  background: var(--line);
}

.carousel-progress span {
  display: block;
  width: 100%;
  height: 100%;
  background: var(--coral);
  box-shadow: 0 0 12px var(--coral);
  transform: scaleX(0);
  transform-origin: left;
}

.hero.timer-running .carousel-progress span { animation: carousel-timer var(--carousel-time) linear forwards; }

@keyframes carousel-timer { to { transform: scaleX(1); } }

.carousel-controls {
  min-height: 58px;
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--dim);
  font-size: 10px;
  letter-spacing: .12em;
}

.carousel-controls button {
  border: 0;
  background: transparent;
  color: var(--dim);
  cursor: pointer;
  font: inherit;
}

.carousel-controls button:hover, .carousel-controls button:focus-visible { color: var(--text); }
.carousel-controls button:focus-visible { outline: 1px solid var(--coral); outline-offset: 4px; }

.carousel-arrow {
  width: 30px;
  height: 30px;
  padding: 0;
  border: 1px solid var(--line) !important;
  border-radius: 50%;
}

.carousel-dots { display: flex; align-items: center; gap: 5px; }

.carousel-dots button { width: 30px; height: 30px; padding: 0; display: grid; place-items: center; }
.carousel-dots span { width: 18px; height: 2px; background: var(--line); transition: background .2s, width .2s; }
.carousel-dots button[aria-current="true"] span { width: 26px; background: var(--coral); box-shadow: 0 0 8px rgba(255, 121, 95, .55); }

.carousel-count { margin-left: 2px; min-width: 50px; }
.carousel-toggle { margin-left: auto; padding: 8px; letter-spacing: .12em; }

.tracker.hero-tracker {
  width: 100%;
  max-width: 420px;
  margin: 0;
  transform: rotate(-.6deg);
  box-shadow: 0 38px 80px -42px rgba(0, 0, 0, .85);
}

/* ---------- audience ---------- */

.audience-strip {
  display: grid;
  grid-template-columns: 0.8fr repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  margin: 0 calc(50% - 50vw);
  padding: 0 max(32px, calc((100vw - 1076px) / 2));
}

.audience-label {
  display: flex;
  align-items: center;
  color: var(--dim);
  font-size: 10px;
  letter-spacing: 0.15em;
}

.audience-item {
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: 76px;
  padding: 15px 22px;
  border-left: 1px solid var(--line);
  color: var(--text);
  font-size: 13px;
}

.audience-item b {
  color: var(--coral);
  font: 500 11px var(--mono);
}

.audience-item:hover { background: rgba(228, 241, 235, 0.025); }

/* ---------- sections ---------- */

.section { padding: 110px 0; }

h2 {
  font: 600 clamp(34px, 4.6vw, 56px)/1.05 var(--display);
  letter-spacing: -0.035em;
  margin: 0 0 22px;
}

h2 em { font-style: normal; color: var(--coral); }

.body-copy { color: var(--dim); max-width: 520px; font-size: 17px; }

/* ---------- letter ---------- */

.letter-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
  align-items: center;
}

.mode-toggle {
  display: inline-flex;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 4px;
  margin-top: 34px;
}

.mode {
  border: 0;
  background: transparent;
  color: var(--dim);
  font: 500 14px var(--sans);
  padding: 10px 20px;
  border-radius: 7px;
  cursor: pointer;
  transition: all .2s;
}

.mode.active { background: var(--coral); color: #1c110d; }

.mode-note {
  font-size: 10px;
  letter-spacing: 0.13em;
  color: var(--dim);
  margin-top: 16px;
}

.notice {
  margin: 0;
  position: relative;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
  transform: rotate(0.6deg);
  transition: transform .35s;
  box-shadow: 0 40px 80px -40px rgba(0, 0, 0, 0.7);
}

.notice:hover { transform: rotate(0deg) translateY(-4px); }

.notice-bar {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 20px;
  border-bottom: 1px solid var(--line);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--dim);
  background: var(--card-2);
}

.notice-bar img { opacity: 0.8; }

.notice-dots { display: flex; gap: 5px; }
.notice-dots i { width: 9px; height: 9px; border-radius: 50%; background: var(--line); }
.notice-dots i:first-child { background: var(--coral); }

.notice-mode {
  margin-left: auto;
  color: var(--coral);
  border: 1px solid rgba(255, 121, 95, 0.35);
  border-radius: 4px;
  padding: 3px 8px;
}

.notice-body { padding: 28px 30px; font-size: 12.5px; line-height: 2; }

.notice-body hr { border: 0; border-top: 1px dashed var(--line); margin: 14px 0; }

.n-row { display: flex; gap: 18px; margin: 0; }
.n-label { color: var(--dim); width: 84px; flex: none; font-size: 10.5px; letter-spacing: 0.1em; padding-top: 1px; }
.n-value { color: var(--mint); }
.n-line { color: var(--mint); margin: 0; }
.dim { color: var(--dim); font-size: 11.5px; }
.accent { color: var(--coral); }

.redact-field { transition: opacity .2s; }
.redact-field.swap { opacity: 0; }

.notice-glow {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(420px 200px at 80% -10%, rgba(255, 121, 95, 0.07), transparent);
}

/* ---------- how it works / trace ---------- */

.section-head { margin-bottom: 60px; }

.trace {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.trace-line {
  position: absolute;
  top: 21px;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--line);
}

.trace-line span {
  display: block;
  height: 100%;
  width: 0;
  background: var(--coral);
  box-shadow: 0 0 14px var(--coral);
  transition: width 1.6s cubic-bezier(0.6, 0, 0.2, 1);
}

.trace-step { position: relative; padding-top: 64px; }

.trace-node {
  position: absolute;
  top: 0;
  left: 0;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--bg);
  border: 1px solid var(--line);
  display: grid;
  place-items: center;
  font-size: 12px;
  color: var(--coral);
}

.trace-step h3 {
  font: 500 21px var(--display);
  letter-spacing: -0.02em;
  margin: 0 0 10px;
}

.trace-step p { color: var(--dim); font-size: 15px; margin: 0; }

/* tracker widget */

.tracker {
  margin-top: 80px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  max-width: 480px;
  overflow: hidden;
}

.tracker-head {
  display: flex;
  justify-content: space-between;
  padding: 14px 20px;
  border-bottom: 1px solid var(--line);
  font-size: 10.5px;
  letter-spacing: 0.13em;
  color: var(--dim);
  background: var(--card-2);
}

.pulse-wrap { display: flex; align-items: center; gap: 7px; color: var(--coral); }

.pulse {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--coral);
  animation: blink 1.6s infinite;
}

.tracker-list { list-style: none; margin: 0; padding: 8px 20px 14px; font-size: 11.5px; letter-spacing: 0.08em; }

.tracker-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--line);
  color: var(--dim);
}

.tracker-list li:last-child { border-bottom: 0; }
.tracker-list li b { margin-left: auto; font-weight: 400; font-size: 10px; }
.tracker-list li span { color: #6fbf87; }
.tracker-list li.now { color: var(--text); }
.tracker-list li.now span, .tracker-list li.now b { color: var(--coral); }

/* ---------- principles ---------- */

.principles-section { padding-top: 0; }

.principles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.principle {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 30px 28px;
  transition: border-color .25s, transform .25s;
}

.principle:hover { border-color: #31463f; transform: translateY(-4px); }

.p-num {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 8px;
  border: 1px solid rgba(255, 121, 95, 0.4);
  color: var(--coral);
  font-size: 13px;
  margin-bottom: 24px;
}

.principle h3 { font: 500 19px var(--display); letter-spacing: -0.02em; margin: 0 0 8px; }
.principle p { color: var(--dim); font-size: 14.5px; margin: 0; }

/* ---------- answers ---------- */

.answers-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 70px;
  align-items: start;
}

.faq details { border-bottom: 1px solid var(--line); padding: 22px 0; }
.faq details:first-of-type { border-top: 1px solid var(--line); }

.faq summary {
  cursor: pointer;
  font: 500 18px var(--display);
  letter-spacing: -0.015em;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}

.faq summary::-webkit-details-marker { display: none; }
.faq summary span { color: var(--coral); font: 400 22px var(--sans); transition: transform .2s; flex: none; }
.faq details[open] summary span { transform: rotate(45deg); }
.faq p { color: var(--dim); font-size: 15px; margin: 12px 0 0; max-width: 560px; }

/* ---------- start ---------- */

.start-section { padding-bottom: 90px; }

.start-card {
  position: relative;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 70px;
  overflow: hidden;
}

.start-mark {
  position: absolute;
  right: 56px;
  top: 50%;
  transform: translateY(-50%) rotate(6deg);
  width: clamp(140px, 20vw, 240px);
  height: auto;
  opacity: 0.08;
  pointer-events: none;
  user-select: none;
}

.start-glow {
  position: absolute;
  right: -160px;
  top: -160px;
  width: 480px;
  height: 480px;
  background: radial-gradient(circle, rgba(255, 121, 95, 0.13), transparent 65%);
  pointer-events: none;
}

.start-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 22px;
  margin-top: 34px;
  position: relative;
  z-index: 1;
}

.fine { color: var(--dim); font-size: 12.5px; max-width: 560px; margin: 18px 0 0; }
.fine a { color: var(--dim); }
.text-button { border: 0; padding: 0; margin-top: 16px; background: none; color: var(--dim); text-decoration: underline; cursor: pointer; font: 13px var(--sans); }
.text-button:hover { color: var(--text); }
.cta:disabled, .text-button:disabled { cursor: wait; opacity: .6; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }

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

.footer { border-top: 1px solid var(--line); padding-top: 34px; padding-bottom: 44px; }

.footer-row { display: flex; align-items: center; justify-content: space-between; gap: 16px; }

.footer nav { display: flex; gap: 22px; }

.footer nav a {
  color: var(--dim);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-decoration: none;
}

.footer nav a:hover { color: var(--text); }

.footer-motto {
  color: var(--coral);
  font: 500 13px var(--mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin: 36px 0 0;
}

/* ---------- reveal on scroll ---------- */

.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero-mark, .deep-insert, .fake-word, .kicker-dot, .pulse { animation: none !important; }
  .deep-insert { opacity: 1; transform: none; }
  .redact-cover::before, .redact-cover::after, .redact-cover > span { transition: none; }
  .hero-slide { transition: none; }
  .hero.timer-running .carousel-progress span { animation: none; }
}

/* ---------- responsive ---------- */

@media (max-width: 940px) {
  .audience-strip { grid-template-columns: 0.6fr repeat(3, 1fr); padding-left: 20px; padding-right: 20px; }
  .audience-item { padding-left: 14px; padding-right: 14px; font-size: 12px; }
  .hero-slide { grid-template-columns: minmax(0, 1.1fr) minmax(270px, .9fr); gap: 30px; }
  .hero h1 { font-size: clamp(43px, 6.6vw, 62px); }
  .hero-meta { gap: 10px; }
  .hero-meta i { width: 14px; }
  .letter-section, .answers-grid { grid-template-columns: 1fr; gap: 50px; }
  .trace { grid-template-columns: 1fr; gap: 30px; }
  .trace-line { display: none; }
  .trace-step { padding-top: 0; padding-left: 62px; }
  .principles { grid-template-columns: 1fr; }
  .start-card { padding: 44px 30px; }
}

@media (max-width: 760px) {
  .hero { padding-top: 36px; }
  .hero-stage { min-height: 540px; }
  .hero-slide { grid-template-columns: 1fr; grid-template-rows: auto; align-content: start; gap: 0; }
  .hero-visual { display: none; }
  .carousel-controls { gap: 9px; }
  .carousel-count { display: none; }
}

@media (max-width: 600px) {
  main, .header, .footer { padding-left: 20px; padding-right: 20px; }
  .header > .brand { font-size: 17px; gap: 10px; }
  .header > .brand img { width: 32px; height: 32px; }
  .nav { display: none; }
  .start-mark { display: none; }
  .audience-strip { display: block; padding: 18px 20px; }
  .audience-label { margin-bottom: 12px; }
  .audience-item { min-height: 0; padding: 9px 0; border-left: 0; border-top: 1px solid var(--line); }
  .hero { padding: 36px 0 18px; }
  .hero-stage { min-height: 540px; }
  .hero h1 { font-size: clamp(40px, 12vw, 58px); }
  .hero-actions { gap: 18px; margin-top: 32px; }
  .hero-meta { margin-top: 38px; font-size: 9px; letter-spacing: .08em; flex-wrap: wrap; row-gap: 7px; }
  .hero-meta i { width: 10px; }
  .carousel-toggle { font-size: 9px; }
  .section { padding: 70px 0; }
  .notice { transform: none; }
  .n-row { flex-direction: column; gap: 0; }
  .n-label { width: auto; }
  .footer-row { flex-direction: column; align-items: flex-start; }
}