/* ============================================================
   PushMeUp: page layout & sections (mobile-first)
   ============================================================ */

*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: var(--text-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, svg { max-width: 100%; }

::selection {
  background: var(--push);
  color: var(--ink);
}

h1, h2, h3 {
  font-family: var(--font-headline);
  line-height: 1.08;
  margin: 0;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

section[id] { scroll-margin-top: 84px; }

.wrap {
  width: 100%;
  max-width: var(--content-max);
  margin: 0 auto;
  padding-inline: var(--space-5);
}

.section {
  padding-block: var(--space-8);
  position: relative;
}

@media (min-width: 800px) {
  .section { padding-block: var(--space-9); }
}

.section__kicker {
  display: block;
  margin-bottom: var(--space-3);
}

.section__title {
  font-size: var(--text-h2);
  font-weight: 800;
  max-width: 22ch;
}

.section__title--center {
  margin-inline: auto;
  text-align: center;
}

.section__lead {
  font-size: var(--text-lead);
  color: var(--muted);
  max-width: 52ch;
  margin: var(--space-4) 0 0;
}

/* Yellow marker underline: same device as the app's onboarding headline */
.hl {
  position: relative;
  white-space: nowrap;
}

.hl::after {
  content: '';
  position: absolute;
  left: -0.03em;
  right: -0.03em;
  bottom: 0.04em;
  height: 0.14em;
  background: var(--push);
  border-radius: 999px;
  z-index: -1;
}

/* ---------- Header ---------- */

.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(244, 244, 239, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.header.is-scrolled {
  border-bottom-color: rgba(230, 230, 223, 0.8);
  box-shadow: 0 6px 24px rgba(22, 23, 31, 0.05);
}

.header__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding-block: 0.85rem;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  text-decoration: none;
  color: var(--ink);
  font-family: var(--font-headline);
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: -0.02em;
}

.logo__bars {
  display: inline-flex;
  gap: 4px;
}

.logo__bars i {
  display: block;
  width: 6px;
  height: 24px;
  border-radius: 3px;
  background: var(--ink);
  transform: skewX(-16deg);
}

.logo__bars i:nth-child(2) { background: var(--push); }

.header__nav {
  display: flex;
  align-items: center;
  gap: var(--space-5);
}

.header__link {
  color: var(--ink);
  text-decoration: none;
  font-weight: 700;
  font-size: 0.95rem;
}

.header__link:hover { color: var(--push-deep); }

@media (max-width: 460px) {
  .header__link { display: none; }
}

/* ---------- Hero ---------- */

.hero {
  padding-block: var(--space-7) var(--space-8);
  overflow: hidden;
}

@media (min-width: 900px) {
  .hero { padding-block: var(--space-8) var(--space-9); }
}

@keyframes hero-rise {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: none; }
}

.hero__kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  background: var(--card);
  border: 1.5px solid var(--line);
  border-radius: var(--radius-pill);
  padding: 0.45rem 1rem 0.45rem 0.55rem;
  font-weight: 700;
  font-size: 0.88rem;
  color: var(--ink);
  animation: hero-rise 0.55s ease both;
}

.hero__kicker-bolt {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 9px;
  background: var(--push);
}

.hero__kicker-bolt svg { width: 13px; height: 13px; }

.hero__title {
  font-size: var(--text-hero);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.02;
  margin-top: var(--space-5);
  max-width: 16ch;
  animation: hero-rise 0.55s ease 0.06s both;
}

.hero__grid {
  display: grid;
  gap: var(--space-7);
  align-items: center;
  margin-top: var(--space-6);
}

@media (min-width: 900px) {
  .hero__grid {
    grid-template-columns: 1fr 1.05fr;
    gap: var(--space-8);
    margin-top: var(--space-7);
  }
}

.hero__lead {
  font-size: var(--text-lead);
  color: var(--muted);
  max-width: 40ch;
  margin: 0 0 var(--space-6);
  animation: hero-rise 0.55s ease 0.12s both;
}

.hero__actions { animation: hero-rise 0.55s ease 0.18s both; }

.hero__cta-note {
  margin: var(--space-3) 0 0;
  color: var(--muted);
  font-size: var(--text-small);
  font-weight: 600;
}

.hero__proof {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: var(--space-6);
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 600;
  animation: hero-rise 0.55s ease 0.24s both;
}

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

/* Hero card stack */
.hero__stage {
  position: relative;
  max-width: 500px;
  margin-inline: auto;
  margin-top: var(--space-5);
  width: 100%;
  animation: hero-rise 0.6s ease 0.2s both;
}

@media (min-width: 900px) {
  .hero__stage { margin-top: 0; }
}

.hero__card-back {
  position: absolute;
  inset: 0;
  transform: rotate(-2.5deg) translate(-4px, 10px);
  background: var(--card);
  border-radius: var(--radius-card);
  border: 1px solid rgba(230, 230, 223, 0.8);
  box-shadow: 0 8px 24px rgba(22, 23, 31, 0.05);
}

.hero__card-main { position: relative; }

.hero__card-main .app-card__foot { position: relative; }

.hero__supporters {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-top: var(--space-4);
  margin-bottom: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 600;
}

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

@keyframes chip-bob-r {
  from { transform: rotate(3deg) translateY(0); }
  to { transform: rotate(3deg) translateY(-6px); }
}

@keyframes chip-bob-l {
  from { transform: rotate(-3deg) translateY(0); }
  to { transform: rotate(-3deg) translateY(-6px); }
}

.hero__chip-support {
  position: absolute;
  top: -22px;
  right: -8px;
  transform: rotate(3deg);
  z-index: 2;
  animation: chip-bob-r 3.2s ease-in-out infinite alternate;
}

.hero__chip-done {
  position: absolute;
  bottom: -24px;
  left: -8px;
  transform: rotate(-3deg);
  z-index: 2;
  animation: chip-bob-l 3.8s ease-in-out 0.6s infinite alternate;
}

@media (min-width: 900px) {
  .hero__chip-support { right: -26px; }
  .hero__chip-done { left: -26px; }
}

.hero__burst {
  position: absolute;
  top: -38px;
  left: 4%;
  width: 44px;
  color: var(--push-deep);
}

/* ---------- Feed marquee ---------- */

.feed-strip {
  padding-block: var(--space-2) var(--space-8);
  overflow: hidden;
}

.feed-strip__label {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  margin-bottom: var(--space-5);
  color: var(--muted);
  font-size: var(--text-overline);
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

@keyframes live-pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.5); opacity: 0.55; }
}

.feed-strip__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--push-deep);
  animation: live-pulse 1.8s ease-in-out infinite;
}

.marquee {
  display: flex;
  gap: var(--space-4);
  width: max-content;
  animation: marquee-scroll 44s linear infinite;
}

.marquee__group {
  display: flex;
  gap: var(--space-4);
  padding-right: var(--space-4);
}

.feed-strip:hover .marquee { animation-play-state: paused; }

@keyframes marquee-scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

.feed-strip__viewport {
  mask-image: linear-gradient(90deg, transparent, #000 7%, #000 93%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 7%, #000 93%, transparent);
}

@media (prefers-reduced-motion: reduce) {
  .marquee { animation: none; width: auto; flex-wrap: wrap; justify-content: center; }
  .marquee__group[aria-hidden] { display: none; }
  .feed-strip__viewport { mask-image: none; -webkit-mask-image: none; }
  .feed-strip__dot { animation: none; }
}

/* ---------- How it works ---------- */

.steps {
  display: grid;
  gap: var(--space-5);
  margin-top: var(--space-7);
  position: relative;
}

@media (min-width: 860px) {
  .steps {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
    align-items: start;
  }
}

.step {
  padding: var(--space-6) var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.step__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 15px;
  background: var(--push);
  color: var(--ink);
  font-family: var(--font-headline);
  font-weight: 800;
  font-size: 1.2rem;
  flex: none;
  transform: rotate(-5deg);
  box-shadow: 0 3px 0 var(--push-deep);
}

.step__title {
  font-size: var(--text-h3);
  font-weight: 800;
}

.step__copy {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.step__visual {
  margin-top: var(--space-2);
}

.step__visual .app-card {
  padding: var(--space-4);
  border-radius: 20px;
  border: 1.5px solid var(--line);
  box-shadow: 0 8px 20px rgba(22, 23, 31, 0.08);
}

.step__visual .app-card__task {
  font-size: 1.05rem;
  margin: var(--space-3) 0;
}

/* Hand-drawn connector arrows between steps (desktop only) */
.step-arrow {
  display: none;
  position: absolute;
  top: 30px;
  width: 76px;
  color: var(--push-deep);
  z-index: 1;
}

.step-arrow--1 { left: 33.33%; transform: translateX(-50%) rotate(-4deg); }
.step-arrow--2 { left: 66.66%; transform: translateX(-50%) rotate(3deg); }

@media (min-width: 860px) {
  .step-arrow { display: block; }
}

/* ---------- Momentum (emotional value): warm yellow band ---------- */

.band-section { padding-block: var(--space-6); }

@media (min-width: 800px) {
  .band-section { padding-block: var(--space-7); }
}

.band {
  background: var(--push-tint);
  border-radius: var(--radius-band);
  margin-inline: clamp(8px, 1.5vw, 20px);
  padding-block: var(--space-8);
  position: relative;
  overflow: hidden;
}

@media (min-width: 800px) {
  .band { padding-block: var(--space-9); }
}

.band .section__lead { color: #5f6168; }

.band .overline { color: #a07908; }

.band__doodle {
  position: absolute;
  color: var(--push-deep);
  opacity: 0.5;
}

.band__doodle--tr { top: 36px; right: 42px; width: 54px; transform: rotate(24deg); }
.band__doodle--bl { bottom: 36px; left: 38px; width: 44px; transform: rotate(-140deg); }

@media (max-width: 800px) {
  .band__doodle { display: none; }
}

.momentum__grid {
  display: grid;
  gap: var(--space-7);
  align-items: center;
}

@media (min-width: 900px) {
  .momentum__grid { grid-template-columns: 1fr 1.05fr; }
}

.timeline {
  padding: var(--space-6) var(--space-5);
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

@media (min-width: 600px) {
  .timeline { padding: var(--space-6); }
}

.timeline__row {
  display: flex;
  gap: var(--space-4);
  position: relative;
}

.timeline__marker {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex: none;
  width: 42px;
}

.timeline__dot {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--paper);
  border: 2px solid var(--line);
  flex: none;
}

.timeline__dot--push { background: var(--push); border-color: var(--push); }
.timeline__dot--done { background: var(--done); border-color: var(--done); }
.timeline__dot svg { width: 18px; height: 18px; }

.timeline__line {
  flex: 1;
  width: 3px;
  min-height: 22px;
  border-radius: 3px;
  background: var(--line);
  margin-top: 6px;
}

.timeline__row:last-child .timeline__line { display: none; }

.timeline__body { padding-bottom: var(--space-2); min-width: 0; }

.timeline__label {
  display: block;
  font-size: var(--text-overline);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.3rem;
}

.timeline__text {
  margin: 0;
  font-family: var(--font-headline);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--ink);
}

.timeline__sub {
  margin: 0.3rem 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.timeline__pushrow {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  margin-top: 0.5rem;
  flex-wrap: wrap;
}

/* ---------- Beta ---------- */

.beta-card {
  padding: var(--space-8) var(--space-5);
  text-align: center;
  position: relative;
  overflow: visible;
}

@media (min-width: 800px) {
  .beta-card { padding: var(--space-8) var(--space-7); }
}

.beta-card__badge {
  position: absolute;
  top: -16px;
  right: clamp(18px, 6vw, 64px);
  box-shadow: 0 3px 0 var(--push-deep);
}

.beta-card__title {
  font-size: var(--text-h2);
  font-weight: 800;
  color: #fff;
  max-width: 18ch;
  margin-inline: auto;
}

.beta-card__copy {
  color: rgba(255, 255, 255, 0.75);
  max-width: 48ch;
  margin: var(--space-4) auto var(--space-6);
  font-size: var(--text-lead);
}

.beta-card__note {
  margin: var(--space-4) 0 0;
  color: rgba(255, 255, 255, 0.7);
  font-weight: 600;
  font-size: var(--text-small);
}

.beta-card__micro {
  margin: var(--space-2) 0 0;
  color: rgba(255, 255, 255, 0.45);
  font-size: 0.8rem;
}

.beta-card .doodle--bars-l {
  top: 28px;
  left: 28px;
  display: inline-flex;
  gap: 5px;
  transform: rotate(-8deg);
}

.beta-card .doodle--bars-r {
  bottom: 30px;
  right: 30px;
  display: inline-flex;
  gap: 5px;
  transform: rotate(10deg);
}

.beta-card .doodle i {
  display: block;
  width: 6px;
  height: 26px;
  border-radius: 3px;
  background: var(--push);
  transform: skewX(-16deg);
  opacity: 0.85;
}

.beta-card .doodle i:nth-child(2) { background: rgba(255, 255, 255, 0.35); }

/* ---------- FAQ ---------- */

.faq {
  max-width: 720px;
  margin: var(--space-6) auto 0;
}

.faq__more {
  text-align: center;
  color: var(--muted);
  font-size: 0.95rem;
  margin: var(--space-5) 0 0;
}

.faq__more a {
  color: var(--ink);
  font-weight: 700;
  text-decoration-color: var(--push);
  text-decoration-thickness: 2.5px;
  text-underline-offset: 3px;
}

.faq__more a:hover { color: var(--push-deep); }

/* ---------- Footer ---------- */

.footer {
  border-top: 1px solid var(--line);
  padding-block: var(--space-6);
}

.footer__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.footer__tag {
  color: var(--muted);
  font-size: var(--text-small);
  margin: 0;
}

.footer__small {
  margin: var(--space-4) 0 0;
  color: var(--muted);
  font-size: 0.8rem;
  opacity: 0.8;
}

/* ---------- Scroll reveal ---------- */

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

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

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .hero__kicker,
  .hero__title,
  .hero__lead,
  .hero__actions,
  .hero__proof,
  .hero__stage,
  .hero__chip-support,
  .hero__chip-done {
    animation: none;
  }

  .header { transition: none; }
}