/* Savyren landing V0 — layout only. Brand tokens live in tokens.css. */

@keyframes sav-rise {
  from {
    opacity: 0;
    transform: translateY(0.6rem);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes sav-interrupt {
  from {
    opacity: 0;
    transform: translateX(1.25rem);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--sav-bg);
  color: var(--sav-ink);
  font-family: var(--sav-font-sans);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--sav-accent-ink);
}

/* ——— Header ——— */

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid var(--sav-line);
  background: color-mix(in srgb, var(--sav-surface) 92%, transparent);
  backdrop-filter: blur(8px);
}

.site-header__inner {
  max-width: var(--sav-max);
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.wordmark {
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.03em;
}

.header-cta {
  color: var(--sav-accent-ink);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  border-bottom: 1px solid var(--sav-accent);
  padding-bottom: 0.125rem;
  transition: color 160ms ease, border-color 160ms ease;
}

.header-cta:hover {
  color: var(--sav-accent);
  border-color: var(--sav-accent-ink);
}

/* ——— Shared ——— */

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

.section__inner {
  max-width: var(--sav-max);
  margin: 0 auto;
  padding: 5.5rem 1.5rem;
}

.section__inner--narrow {
  max-width: 42rem;
}

.section h2 {
  margin: 0 0 1.5rem;
  max-width: 22ch;
  font-size: clamp(1.65rem, 2.8vw, 2.25rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.section-lede {
  margin: 0 0 1.25rem;
  max-width: 36rem;
  color: var(--sav-muted);
  font-size: 1.0625rem;
}

.section-label {
  margin: 0 0 0.75rem;
  font-family: var(--sav-font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--sav-pressure);
}

.cta {
  box-sizing: border-box;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0.8rem 1.35rem;
  background: var(--sav-accent);
  color: var(--sav-surface);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9375rem;
  border-radius: var(--sav-radius);
  border: none;
  cursor: pointer;
  font-family: inherit;
  transition: background 160ms ease, transform 160ms ease;
}

.cta:hover {
  background: var(--sav-accent-ink);
}

.cta:active {
  transform: translateY(1px);
}

.cta:focus-visible,
.header-cta:focus-visible,
.waitlist-form :focus-visible {
  outline: 2px solid var(--sav-accent-ink);
  outline-offset: 3px;
}

.microcopy {
  margin: 1rem 0 0;
  max-width: 32rem;
  font-size: 0.8125rem;
  line-height: 1.45;
  color: var(--sav-muted);
}

.microcopy a {
  color: var(--sav-accent-ink);
}

/* Motif 1 — question zone */
.question-zone {
  box-sizing: border-box;
  margin-top: 1.75rem;
  padding: 1.6rem 1.35rem 1.45rem;
  background: var(--sav-surface);
  border: 1px solid var(--sav-line);
  border-left: 3px solid var(--sav-pressure);
  border-radius: var(--sav-radius-sm);
}

.question-zone--inline {
  margin: 1rem 0 1.25rem;
}

.question-zone--transfer {
  margin: 1.25rem 0;
  max-width: 40rem;
}

.question-zone__label {
  margin: 0 0 0.85rem;
  font-family: var(--sav-font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--sav-pressure);
}

.question-zone__prompt {
  margin: 0;
  font-family: var(--sav-font-serif);
  font-size: clamp(1.15rem, 1.6vw, 1.35rem);
  font-style: italic;
  font-weight: 400;
  line-height: 1.35;
  color: var(--sav-ink);
}

.question-zone__rail {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  margin: 1.35rem 0 0.9rem;
  font-family: var(--sav-font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--sav-muted);
}

.question-zone__arrow {
  color: var(--sav-accent);
}

.question-zone__note {
  margin: 0;
  font-size: 0.8125rem;
  line-height: 1.45;
  color: var(--sav-muted);
  max-width: 30ch;
}

/* ——— Hero (locked composition) ——— */

.hero {
  max-width: var(--sav-max);
  margin: 0 auto;
  padding: 3.75rem 1.5rem 4.5rem;
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(16rem, 0.9fr);
  align-items: start;
  column-gap: clamp(2rem, 5vw, 4.5rem);
  row-gap: 2.5rem;
}

.hero__main {
  max-width: 38rem;
  animation: sav-rise 560ms cubic-bezier(0.16, 1, 0.3, 1) both;
}

.hero .question-zone {
  animation: sav-interrupt 640ms cubic-bezier(0.16, 1, 0.3, 1) 120ms both;
}

#hero-title,
.hero__main h1 {
  margin: 0 0 1.25rem;
  max-width: none;
  font-size: clamp(2rem, 3.6vw, 2.85rem);
  font-weight: 600;
  letter-spacing: -0.035em;
  line-height: 1.1;
}

.hero__line {
  display: block;
  max-width: 18ch;
}

.hero__line--break {
  margin-top: 0.45em;
  max-width: 22ch;
  color: var(--sav-ink);
}

.lede {
  margin: 0 0 1.5rem;
  max-width: 34rem;
  color: var(--sav-muted);
  font-size: 1.0625rem;
  line-height: 1.55;
}

/* ——— Problem ——— */

.competence-stack {
  margin: 0 0 2rem;
}

.competence-stack p {
  margin: 0;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--sav-line);
  font-size: 1.125rem;
  max-width: 34rem;
}

.competence-stack p:first-child {
  border-top: 1px solid var(--sav-line);
}

.problem-break {
  margin: 0 0 1.5rem;
  font-family: var(--sav-font-serif);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-style: italic;
  font-weight: 400;
  letter-spacing: -0.02em;
  color: var(--sav-pressure);
  line-height: 1;
}

.problem-body p {
  margin: 0 0 1.1rem;
  max-width: 36rem;
  color: var(--sav-muted);
  font-size: 1.0625rem;
}

.problem-body__emphasis {
  color: var(--sav-ink) !important;
  font-weight: 500;
}

/* ——— Trains ——— */

.trains__layout {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(15rem, 0.85fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}

.trains__intro {
  margin-bottom: 2.75rem;
}

.moment-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
  max-width: 40rem;
  border-top: 1px solid var(--sav-line);
}

.moment-list li {
  padding: 0.85rem 1rem 0.85rem 0;
  border-bottom: 1px solid var(--sav-line);
  color: var(--sav-ink);
  font-size: 1rem;
}

.moment-list li::before {
  content: "→ ";
  color: var(--sav-accent);
  font-family: var(--sav-font-mono);
  font-size: 0.8125rem;
}

/* Motif 2 — process / strategy sequence */
.process-rail {
  margin: 0 0 2.5rem;
  padding: 0;
  list-style: none;
  border-left: 1px solid var(--sav-line);
}

.process-rail li {
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: 1rem;
  align-items: baseline;
  padding: 1rem 0 1rem 1.25rem;
  position: relative;
}

.process-rail li::before {
  content: "";
  position: absolute;
  left: -0.3rem;
  top: 1.35rem;
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--sav-accent);
}

.process-rail__step {
  font-family: var(--sav-font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--sav-muted);
}

.process-rail__text {
  font-size: 1.0625rem;
  max-width: 40rem;
}

.trains__close {
  margin: 0;
  max-width: 38rem;
  font-size: 1.125rem;
  font-weight: 500;
  line-height: 1.45;
}

.trains__interrupt {
  position: sticky;
  top: 5.5rem;
  margin-top: 0.35rem;
}

.trains__thread {
  margin: 0 0 0.75rem 0.5rem;
  max-width: 22ch;
  font-family: var(--sav-font-serif);
  font-size: 1rem;
  font-style: italic;
  color: var(--sav-muted);
  opacity: 0.7;
  text-decoration: line-through;
  text-decoration-color: color-mix(in srgb, var(--sav-pressure) 45%, transparent);
}

.question-zone--interrupt {
  margin-top: 0;
  transform: translateX(0.35rem);
  box-shadow: 0 1px 0 color-mix(in srgb, var(--sav-ink) 4%, transparent);
}

/* ——— Mechanic ——— */

.mechanic__header {
  margin-bottom: 2.5rem;
}

.mechanic__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(14rem, 0.8fr);
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: start;
  margin-bottom: 3rem;
}

.mechanic__situation p {
  margin: 0 0 1rem;
  max-width: 36rem;
  color: var(--sav-muted);
}

.mechanic__context {
  color: var(--sav-ink) !important;
  font-weight: 500;
}

.strategy-block {
  padding: 1.5rem 1.25rem;
  background: var(--sav-accent-soft);
  border-radius: var(--sav-radius);
}

.strategy-block__label {
  margin: 0 0 1rem;
  font-family: var(--sav-font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--sav-accent-ink);
}

.strategy-block__sequence {
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  font-family: var(--sav-font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--sav-accent-ink);
  line-height: 1.3;
}

.strategy-block__sequence .question-zone__arrow {
  display: none;
}

.strategy-block__sequence span:not(.question-zone__arrow)::after {
  content: " →";
  color: var(--sav-accent);
}

.strategy-block__sequence span:last-child::after {
  content: "";
}

.transfer p {
  margin: 0 0 1rem;
  max-width: 40rem;
  color: var(--sav-muted);
}

.transfer__emphasis {
  color: var(--sav-ink) !important;
  font-weight: 600;
  font-size: 1.125rem;
}

/* ——— Founder + waitlist ——— */

.founder {
  background: var(--sav-surface);
}

.founder__layout {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}

.founder__count {
  margin: 0 0 0.35rem;
  font-size: clamp(4rem, 8vw, 6rem);
  font-weight: 600;
  letter-spacing: -0.05em;
  line-height: 0.9;
  color: var(--sav-accent);
}

.founder__annotation {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  align-items: center;
  margin: 0 0 1.25rem;
  font-family: var(--sav-font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--sav-muted);
}

.founder__copy .section-label {
  color: var(--sav-accent);
}

.founder__copy > p {
  margin: 0 0 1.1rem;
  max-width: 34rem;
  color: var(--sav-muted);
}

.founder__list {
  margin: 0 0 1.5rem;
  padding: 0;
  list-style: none;
  max-width: 34rem;
}

.founder__list li {
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--sav-line);
  color: var(--sav-ink);
}

.founder__list li:first-child {
  border-top: 1px solid var(--sav-line);
}

.founder__list li::before {
  content: "→ ";
  color: var(--sav-accent);
  font-family: var(--sav-font-mono);
  font-size: 0.8125rem;
}

.founder__clarify {
  font-size: 0.9375rem;
}

.founder__clarify--strong {
  color: var(--sav-ink) !important;
  font-weight: 500;
}

.waitlist {
  scroll-margin-top: 5rem;
  padding: 1.75rem 1.5rem 1.85rem;
  background: var(--sav-bg);
  border: 1px solid var(--sav-line);
  border-left: 3px solid var(--sav-pressure);
  border-radius: var(--sav-radius);
}

.waitlist__cue {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  align-items: center;
  margin: 0 0 0.85rem;
  font-family: var(--sav-font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--sav-pressure);
}

.waitlist__title {
  margin: 0 0 0.85rem;
  max-width: 22ch;
  font-size: clamp(1.35rem, 2.2vw, 1.75rem);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.2;
}

.waitlist__emphasis {
  font-family: var(--sav-font-serif);
  font-style: italic;
  font-weight: 400;
  color: var(--sav-pressure);
}

.waitlist__intro {
  margin: 0 0 1.5rem;
  color: var(--sav-muted);
  font-size: 0.975rem;
}

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

.field label {
  display: block;
  margin-bottom: 0.4rem;
  font-size: 0.875rem;
  font-weight: 500;
}

.field input,
.field select {
  width: 100%;
  box-sizing: border-box;
  min-height: 44px;
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--sav-line);
  border-radius: var(--sav-radius-sm);
  background: var(--sav-surface);
  color: var(--sav-ink);
  font: inherit;
  font-size: 0.975rem;
}

.field input::placeholder {
  color: color-mix(in srgb, var(--sav-muted) 80%, var(--sav-surface));
}

.consent {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  font-size: 0.875rem;
  color: var(--sav-muted);
  font-weight: 400;
}

.consent input {
  width: auto;
  min-height: auto;
  margin-top: 0.25rem;
  flex-shrink: 0;
}

.cta--submit {
  width: 100%;
  margin-top: 0.35rem;
}

.waitlist .microcopy {
  margin-top: 0.25rem;
}

/* ——— Footer ——— */

.site-footer {
  border-top: 1px solid var(--sav-line);
  background: var(--sav-bg);
}

.site-footer__inner {
  max-width: var(--sav-max);
  margin: 0 auto;
  padding: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
}

.site-footer__copy {
  margin: 0;
  font-size: 0.875rem;
  color: var(--sav-muted);
}

.site-footer__nav {
  display: flex;
  gap: 1.25rem;
}

.site-footer__nav a {
  font-size: 0.875rem;
  color: var(--sav-muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.site-footer__nav a:hover {
  color: var(--sav-ink);
  border-bottom-color: var(--sav-line);
}

/* ——— Mobile ——— */

@media (max-width: 768px) {
  .site-header__inner {
    padding: 0.875rem 1rem;
  }

  .header-cta {
    font-size: 0.75rem;
    max-width: 11rem;
    text-align: right;
    line-height: 1.25;
  }

  .hero {
    grid-template-columns: 1fr;
    padding: 2.75rem 1rem 3.25rem;
    gap: 1.75rem;
  }

  .hero__main {
    max-width: none;
  }

  .hero .question-zone {
    margin-top: 0;
    width: 100%;
  }

  #hero-title,
  .hero__main h1 {
    font-size: clamp(1.85rem, 8.2vw, 2.45rem);
  }

  .hero__line,
  .hero__line--break {
    max-width: 14ch;
  }

  .section__inner {
    padding: 3.25rem 1rem;
  }

  .moment-list {
    grid-template-columns: 1fr;
  }

  .mechanic__grid,
  .founder__layout,
  .trains__layout {
    grid-template-columns: 1fr;
  }

  .trains__interrupt {
    position: static;
    margin-top: 0.25rem;
  }

  .trains__thread {
    display: none;
  }

  .question-zone--interrupt {
    transform: none;
  }

  .founder__count {
    font-size: 4.5rem;
  }

  .waitlist {
    padding: 1.35rem 1rem 1.5rem;
  }

  .cta {
    width: 100%;
  }

  .site-footer__inner {
    padding: 1.25rem 1rem;
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero__main,
  .hero .question-zone {
    animation: none;
  }

  .cta,
  .header-cta {
    transition: none;
  }
}


.field-error {
  margin: 0.35rem 0 0;
  font-size: 0.8125rem;
  color: var(--sav-pressure);
}

.cta--submit:disabled {
  opacity: 0.7;
  cursor: wait;
}

.waitlist-form[hidden],
.waitlist-success[hidden],
.field-error[hidden] {
  display: none !important;
}