/* Stressi — landing + document pages
   Palette and type are shared by every page under /stressi/. */

:root {
  --ink: #1e2250;
  --ink-2: #4b5178;
  --quiet: #63698a;
  --night: #0d1033;
  --night-2: #171b46;
  --indigo: #4a56e2;
  --indigo-lift: #98a0ff;
  --indigo-soft: #ebedff;
  --vital: #0fae9f;
  --amber: #d8901a;
  --coral: #e8563f;
  --bone: #f5f6fb;
  --card: #ffffff;
  --line: #e2e4f2;
  --line-night: rgba(255, 255, 255, 0.13);
  --radius: 14px;
  --max: 1180px;
  --gutter: clamp(20px, 5vw, 48px);
}

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

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

body {
  min-width: 320px;
  background: var(--bone);
  color: var(--ink-2);
  font-family: "Geist", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 17px;
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  color: var(--ink);
  font-weight: 650;
  letter-spacing: -0.035em;
  line-height: 1.1;
}

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

img {
  max-width: 100%;
  display: block;
}

.mono {
  font-family: "Geist Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.74rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.wrap {
  width: min(var(--max), 100%);
  margin: 0 auto;
  padding-inline: var(--gutter);
}

:where(a, button, summary):focus-visible {
  outline: 2px solid var(--indigo);
  outline-offset: 3px;
  border-radius: 4px;
}

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

.top {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(245, 246, 251, 0.86);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}

.top-inner {
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-weight: 700;
  letter-spacing: -0.03em;
  text-decoration: none;
}

.wordmark img {
  width: 30px;
  height: 30px;
  border-radius: 8px;
}

.top-nav {
  display: flex;
  align-items: center;
  gap: 1.6rem;
}

.top-nav a {
  color: var(--ink-2);
  font-size: 0.95rem;
  font-weight: 500;
  text-decoration: none;
}

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

.top-cta {
  padding: 9px 18px;
  border-radius: 10px;
  background: var(--indigo);
  color: #fff !important;
  font-weight: 600;
}

.top-cta:hover {
  background: #3b46c9;
}

@media (max-width: 620px) {
  .top-nav .only-wide {
    display: none;
  }
}

/* ---------- store buttons ---------- */

.stores {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.store {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  min-height: 56px;
  padding: 0 22px;
  border: 1px solid var(--ink);
  border-radius: 12px;
  background: var(--ink);
  color: #fff;
  text-decoration: none;
  transition: transform 160ms ease, background 160ms ease;
}

.store:hover {
  transform: translateY(-2px);
  background: var(--night);
}

.store svg {
  width: 22px;
  height: 22px;
  flex: none;
  fill: currentColor;
}

.store span {
  display: block;
  line-height: 1.15;
}

.store .over {
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  opacity: 0.72;
}

.store .name {
  font-size: 1.02rem;
  font-weight: 600;
}

.store.ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}

.store.ghost:hover {
  background: #fff;
  border-color: var(--ink);
}

.on-night .store {
  background: #fff;
  border-color: #fff;
  color: var(--night);
}

.on-night .store.ghost {
  background: transparent;
  color: #fff;
  border-color: var(--line-night);
}

.on-night .store.ghost:hover {
  border-color: #fff;
  background: rgba(255, 255, 255, 0.06);
}

@media (max-width: 520px) {
  .store {
    width: 100%;
  }
}

/* ---------- section rhythm ---------- */

.band {
  border-top: 1px solid var(--line);
}

.band.night {
  background: var(--night);
  border-top: none;
  color: rgba(255, 255, 255, 0.74);
}

.band.night h2, .band.night h3 {
  color: #fff;
}

.block {
  padding-block: clamp(3.6rem, 7vw, 6rem);
}

.eyebrow {
  color: var(--quiet);
  display: block;
  margin-bottom: 0.9rem;
}

.band.night .eyebrow {
  color: var(--indigo-lift);
}

.block h2 {
  font-size: clamp(1.9rem, 3.6vw, 2.9rem);
  max-width: 20ch;
}

.block .lede {
  margin-top: 0.9rem;
  max-width: 56ch;
  font-size: 1.08rem;
}

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

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
  gap: clamp(2.5rem, 5vw, 4.5rem);
  align-items: center;
  padding-block: clamp(3rem, 6vw, 5.5rem);
}

.hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  right: -6%;
  top: 4%;
  width: 62%;
  height: 84%;
  background: radial-gradient(ellipse at 60% 40%, rgba(74, 86, 226, 0.16), rgba(74, 86, 226, 0) 68%);
  pointer-events: none;
}

.hero h1 {
  font-size: clamp(2.4rem, 4.6vw, 3.6rem);
  letter-spacing: -0.05em;
  line-height: 1.02;
}

.hero h1 em {
  font-style: normal;
  color: var(--indigo);
}

.hero .lede {
  margin-top: 1.5rem;
  max-width: 46ch;
  font-size: clamp(1.06rem, 1.4vw, 1.2rem);
}

.hero .stores {
  margin-top: 2.2rem;
}

.hero-note {
  margin-top: 1.3rem;
  color: var(--quiet);
  font-size: 0.92rem;
}

/* ---------- the instrument (hero signature) ---------- */

.instrument {
  background: var(--night);
  border-radius: 22px;
  padding: clamp(22px, 3vw, 30px);
  color: rgba(255, 255, 255, 0.72);
  box-shadow: 0 30px 70px -28px rgba(13, 16, 51, 0.55);
}

.inst-top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  color: var(--indigo-lift);
}

.inst-top .dim {
  color: rgba(255, 255, 255, 0.55);
}

.inst-score {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-top: 14px;
}

.inst-score b {
  font-size: clamp(3.4rem, 7vw, 4.6rem);
  font-weight: 650;
  letter-spacing: -0.05em;
  line-height: 1;
  color: var(--amber);
  font-variant-numeric: tabular-nums;
}

.inst-score .state {
  color: #fff;
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.inst-score .of {
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.9rem;
  margin-left: auto;
}

/* baseline rail — repeated device: today's reading against your own range */

.rail {
  display: block;
  position: relative;
  height: 12px;
  margin-top: 18px;
}

.rail::before {
  content: "";
  position: absolute;
  inset-inline: 0;
  top: 5px;
  height: 2px;
  background: rgba(255, 255, 255, 0.16);
  border-radius: 2px;
}

.rail .band-typical {
  position: absolute;
  top: 2px;
  height: 8px;
  left: var(--from);
  width: calc(var(--to) - var(--from));
  background: rgba(152, 160, 255, 0.14);
  border-left: 1px solid rgba(152, 160, 255, 0.55);
  border-right: 1px solid rgba(152, 160, 255, 0.55);
}

.rail .mark {
  position: absolute;
  top: -2px;
  left: 50%;
  width: 3px;
  height: 16px;
  margin-left: -1.5px;
  border-radius: 2px;
  background: var(--tone, #fff);
  box-shadow: 0 0 12px var(--tone, #fff);
  opacity: 0;
  transition: left 1s cubic-bezier(0.22, 0.85, 0.24, 1), opacity 0.5s ease;
}

.is-ready .rail .mark {
  left: var(--at);
  opacity: 1;
}

.rail-key {
  display: flex;
  justify-content: space-between;
  margin-top: 8px;
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.72rem;
}

.rail-key .mono {
  letter-spacing: 0.1em;
}

.inst-signals {
  list-style: none;
  margin-top: 26px;
  border-top: 1px solid var(--line-night);
}

.inst-signals li {
  display: grid;
  grid-template-columns: 5.6rem minmax(0, 1fr) 6.4rem;
  align-items: center;
  gap: 14px;
  padding-block: 13px;
  border-bottom: 1px solid var(--line-night);
}

.inst-signals .sig {
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
}

.inst-signals .rail {
  margin-top: 0;
}

.inst-signals .read {
  text-align: right;
  color: #fff;
  font-size: 0.86rem;
  font-variant-numeric: tabular-nums;
}

.inst-signals .read i {
  display: block;
  font-style: normal;
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.55);
}

.inst-why {
  margin-top: 20px;
  display: flex;
  gap: 12px;
  font-size: 0.94rem;
  line-height: 1.5;
}

.inst-why .mono {
  flex: none;
  color: var(--vital);
  padding-top: 3px;
}

.inst-foot {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--line-night);
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.78rem;
}

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
  }
  .inst-signals li {
    grid-template-columns: 4.8rem minmax(0, 1fr) 5.6rem;
    gap: 10px;
  }
}

/* ---------- the morning sequence ---------- */

.sequence {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(1.2rem, 2.5vw, 2rem);
  margin-top: 3rem;
}

.step {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.step-head {
  border-top: 2px solid var(--indigo);
  padding-top: 1rem;
}

.step-head .mono {
  color: var(--indigo);
}

.step h3 {
  margin-top: 0.55rem;
  font-size: 1.22rem;
}

.step p {
  margin-top: 0.6rem;
  font-size: 0.98rem;
}

.shot {
  margin-top: auto;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--card);
  padding: 10px;
  overflow: hidden;
}

.shot img {
  border-radius: 12px;
  width: 100%;
  aspect-ratio: 414 / 700;
  object-fit: cover;
  object-position: top center;
}

@media (max-width: 820px) {
  .sequence {
    grid-template-columns: 1fr;
    max-width: 420px;
  }
}

/* ---------- signals read ---------- */

.reads {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.65fr);
  gap: clamp(1.5rem, 3vw, 3rem);
  margin-top: 2.6rem;
  align-items: start;
}

.signal-list {
  list-style: none;
  border-top: 1px solid var(--line);
}

.signal-list li {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 1rem;
  padding-block: 1.05rem;
  border-bottom: 1px solid var(--line);
}

.signal-list h3 {
  font-size: 1.02rem;
}

.signal-list p {
  grid-column: 1 / -1;
  margin-top: 0.3rem;
  color: var(--ink-2);
  font-size: 0.95rem;
  max-width: 60ch;
}

.pill {
  align-self: center;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--indigo-soft);
  color: var(--indigo);
  font-family: "Geist Mono", ui-monospace, monospace;
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  white-space: nowrap;
}

.pill.free {
  background: #e2f5f1;
  color: #0a7168;
}

.aside {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.note {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.4rem;
}

.note h3 {
  font-size: 1.02rem;
}

.note p {
  margin-top: 0.5rem;
  font-size: 0.94rem;
}

.note.accent {
  background: var(--indigo-soft);
  border-color: #d6daff;
}

@media (max-width: 880px) {
  .reads {
    grid-template-columns: 1fr;
  }
}

/* ---------- privacy band ---------- */

.privacy-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(1.8rem, 4vw, 4rem);
  align-items: start;
}

.facts {
  list-style: none;
}

.facts li {
  padding-block: 0.85rem;
  border-bottom: 1px solid var(--line-night);
  display: grid;
  grid-template-columns: 1.4rem minmax(0, 1fr);
  gap: 0.85rem;
  align-items: baseline;
}

.facts li::before {
  content: "";
  width: 8px;
  height: 8px;
  margin-left: 3px;
  border-radius: 2px;
  background: var(--vital);
  transform: rotate(45deg);
}

.facts b {
  color: #fff;
  font-weight: 600;
}

.exception {
  margin-top: 1.6rem;
  padding: 1.3rem 1.4rem;
  border: 1px solid var(--line-night);
  border-radius: var(--radius);
  background: var(--night-2);
  font-size: 0.95rem;
}

.exception h3 {
  font-size: 0.95rem;
  margin-bottom: 0.4rem;
}

.band.night a {
  color: var(--indigo-lift);
}

@media (max-width: 820px) {
  .privacy-grid {
    grid-template-columns: 1fr;
  }
}

/* ---------- pricing ---------- */

.plans {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
  margin-top: 2.6rem;
  max-width: 860px;
}

.plan {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 1.8rem;
}

.plan.pro {
  border: 2px solid var(--indigo);
}

.plan-head {
  display: flex;
  align-items: center;
  gap: 0.7rem;
}

.plan h3 {
  font-size: 1.15rem;
}

.price {
  margin-top: 1rem;
  color: var(--ink);
  font-size: 2.1rem;
  font-weight: 650;
  letter-spacing: -0.04em;
}

.price small {
  display: block;
  margin-top: 0.25rem;
  color: var(--quiet);
  font-size: 0.9rem;
  font-weight: 400;
  letter-spacing: 0;
}

.plan ul {
  list-style: none;
  margin-top: 1.4rem;
  border-top: 1px solid var(--line);
}

.plan li {
  padding-block: 0.6rem;
  border-bottom: 1px solid var(--line);
  font-size: 0.95rem;
}

.fineprint {
  margin-top: 1.4rem;
  color: var(--quiet);
  font-size: 0.88rem;
  max-width: 62ch;
}

@media (max-width: 700px) {
  .plans {
    grid-template-columns: 1fr;
  }
}

/* ---------- faq ---------- */

.faq {
  margin-top: 2.4rem;
  max-width: 800px;
}

.faq details {
  border-bottom: 1px solid var(--line);
}

.faq summary {
  padding-block: 1.15rem;
  color: var(--ink);
  font-size: 1.04rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq summary::after {
  content: "+";
  color: var(--indigo);
  font-size: 1.3rem;
  font-weight: 400;
  line-height: 1;
}

.faq details[open] summary::after {
  content: "–";
}

.faq p {
  padding-bottom: 1.2rem;
  max-width: 68ch;
  font-size: 0.98rem;
}

/* ---------- closing cta ---------- */

.closing {
  text-align: center;
}

.closing h2 {
  margin-inline: auto;
}

.closing .lede {
  margin-inline: auto;
}

.closing .stores {
  justify-content: center;
  margin-top: 2.2rem;
}

.langs {
  margin-top: 1.6rem;
  color: var(--quiet);
  font-size: 0.88rem;
}

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

.foot {
  border-top: 1px solid var(--line);
  padding-block: 2.8rem 3.4rem;
  color: var(--quiet);
  font-size: 0.88rem;
}

.foot-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1.4rem;
  margin-bottom: 1.4rem;
}

.foot-nav a {
  color: var(--ink-2);
  text-decoration: none;
  font-weight: 500;
}

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

.foot p + p {
  margin-top: 0.5rem;
}

/* ---------- document pages ---------- */

.doc {
  padding-block: clamp(2.8rem, 6vw, 4.5rem);
}

.doc-inner {
  max-width: 760px;
}

.doc h1 {
  margin-top: 0.7rem;
  font-size: clamp(2.1rem, 4vw, 2.9rem);
}

.doc .updated {
  margin-top: 0.7rem;
  color: var(--quiet);
  font-size: 0.9rem;
}

.callout {
  margin-top: 1.8rem;
  padding: 1.3rem 1.5rem;
  background: var(--indigo-soft);
  border-radius: var(--radius);
  color: var(--ink-2);
}

.callout strong {
  color: var(--ink);
}

.doc h2 {
  margin-top: 2.6rem;
  font-size: 1.2rem;
}

.doc h2 .mono {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--indigo);
}

.doc p, .doc li {
  font-size: 1rem;
}

.doc p {
  margin-top: 0.9rem;
}

.doc ul {
  margin-top: 0.9rem;
  padding-left: 1.1rem;
  list-style: none;
}

.doc li {
  position: relative;
  margin-top: 0.55rem;
}

.doc li::before {
  content: "";
  position: absolute;
  left: -1.1rem;
  top: 0.7em;
  width: 5px;
  height: 5px;
  border-radius: 1px;
  background: var(--indigo);
  transform: rotate(45deg);
}

.doc strong {
  color: var(--ink);
}

.doc .signoff {
  margin-top: 2.8rem;
  padding-top: 1.4rem;
  border-top: 1px solid var(--line);
  color: var(--quiet);
  font-size: 0.88rem;
}

.back {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--quiet);
  text-decoration: none;
}

.back:hover {
  color: var(--indigo);
}

/* ---------- motion ---------- */

.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.22, 0.85, 0.24, 1);
}

.reveal.is-in {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
  .reveal {
    opacity: 1;
    transform: none;
  }
}