:root {
  --green: #0e7a4c;
  --green-bright: #18a969;
  --green-dark: #073b2a;
  --green-deep: #03291d;
  --mint: #e3f1e8;
  --mint-2: #d1e9d9;
  --paper: #f0f1eb;
  --white: #fafbf8;
  --ink: #10231b;
  --muted: #607068;
  --line: rgba(16, 35, 27, .12);
  --radius: 26px;
  --shadow: 0 28px 80px rgba(3, 41, 29, .13);
  --shell: min(1200px, calc(100% - 64px));
  --ease: cubic-bezier(.2, .75, .25, 1);
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
}

body {
  background: var(--paper);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: -.012em;
}

main p:not(.eyebrow) {
  max-width: 68ch;
  line-height: 1.7;
  padding-block: .1rem;
}
main p:not(.eyebrow) + p:not(.eyebrow) { margin-top: .75rem; }
.hero-lead,
.inner-hero .lead,
.simple-hero p:not(.eyebrow) {
  max-width: 36rem;
  margin-block: 1.15rem 1.35rem;
  padding-block: .15rem;
  line-height: 1.7;
}

a, button { -webkit-tap-highlight-color: transparent; }
a:focus-visible, button:focus-visible {
  outline: 3px solid #55c98b;
  outline-offset: 4px;
}

.page-shell { width: var(--shell); }
.site-header {
  top: 0;
  height: 82px;
  color: #fff;
}
.site-header.is-fixed {
  background: rgba(240, 241, 235, .92);
  box-shadow: 0 1px 0 rgba(16, 35, 27, .08);
}
.brand { font-size: 21px; }
.brand-icon { width: 42px; height: 42px; border-radius: 13px; }
.brand>span:last-child>span { color: #8af0b6; }
.site-header.is-fixed .brand>span:last-child>span,
.inner-body .site-header .brand>span:last-child>span,
.footer-logo>span:last-child>span { color: var(--green); }
.desktop-nav { gap: clamp(18px, 2.8vw, 36px); }
.desktop-nav a { font-size: 13px; opacity: .76; }
.header-cta {
  min-height: 44px;
  padding: 0 19px;
  border-radius: 12px;
  background: var(--green);
  color: #fff;
  border: 1px solid var(--green);
}
.header-cta:hover { color: var(--green-deep); background: var(--mint); }
.inner-body .site-header { top: 0; color: var(--ink); }
.inner-body .site-header .header-cta { background: var(--green); }
.inner-main { padding-top: 82px; }
.menu-button { color: var(--green-dark); background: rgba(14, 122, 76, .08); }
.site-header:not(.is-fixed) .menu-button {
  color: #fff;
  background: rgba(255,255,255,.14);
}
.inner-body .site-header:not(.is-fixed) .menu-button {
  color: var(--green-dark);
  background: rgba(14, 122, 76, .08);
}

.home-hero {
  min-height: min(800px, 100svh);
  padding: 122px 0 68px;
  background:
    radial-gradient(ellipse at 76% 48%, rgba(24, 169, 105, .22), transparent 33%),
    var(--green-dark);
}
.home-hero:before {
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(to bottom, #000, transparent 90%);
}
.orbit-one { width: 860px; height: 860px; right: -260px; top: -120px; }
.orbit-two { width: 620px; height: 620px; right: -140px; top: 0; }
.hero-grid { grid-template-columns: 1.02fr .98fr; gap: 32px; }
.hero-copy { padding: 44px 0 48px; }
.hero h1, .inner-hero h1, .simple-hero h1 {
  font-weight: 650;
  letter-spacing: -.075em;
}
.hero h1 { font-size: clamp(58px, 7.6vw, 98px); }
.hero-lead, .inner-hero .lead { max-width: 520px; }
.hero-lead { font-size: 18px; }
.hero-actions { margin-top: 32px; }
.button {
  min-height: 52px;
  padding: 0 22px;
  border-radius: 12px;
  gap: 18px;
  font-size: 14px;
  transition: transform .24s var(--ease), box-shadow .24s var(--ease), background .24s, color .24s;
}
.button:hover { transform: translateY(-3px); box-shadow: 0 14px 30px rgba(3, 41, 29, .16); }
.button-green { background: var(--green); }
.platform-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}
.button-android {
  background: var(--green);
  color: #fff;
  box-shadow: none;
  cursor: default;
}
.button-android:hover {
  transform: none;
  box-shadow: none;
  background: var(--green);
}
.button-white { color: var(--green-deep); }
.hero-visual { min-height: 560px; overflow: visible; }
.visual-glow { width: 470px; height: 470px; filter: blur(100px); opacity: .3; }
.phone-stage {
  width: clamp(230px, 25vw, 315px);
  transform: translateY(38px) rotate(2deg);
  filter: drop-shadow(0 38px 44px rgba(0, 0, 0, .38));
  animation: device-float 7s ease-in-out infinite;
}
.phone-stage img {
  border: 7px solid rgba(255,255,255,.92);
  border-radius: 36px;
  box-shadow: 0 0 0 1px rgba(0,0,0,.12);
}
.home-screen-float {
  position: absolute;
  z-index: 1;
  width: clamp(148px, 17vw, 205px);
  overflow: hidden;
  border: 6px solid rgba(255,255,255,.94);
  border-radius: 27px;
  box-shadow: 0 24px 60px rgba(0,0,0,.27);
  pointer-events: none;
  animation: device-float 8s ease-in-out infinite;
}
.home-screen-float img { width: 100%; height: auto; }
.screen-overview { left: 0; top: 105px; transform: rotate(-9deg); }
.screen-profile { right: -4px; bottom: 22px; transform: rotate(9deg); animation-delay: -3s; }
.float-card { border-radius: 20px; }
.average-card { left: -5px; top: 130px; }
.status-card { right: -3px; bottom: 70px; }
.hero-proof { margin-top: 44px; }
.hero-proof>div { padding-inline: 20px; }

.path-section, .features-section, .price-section { padding-block: clamp(76px, 9vw, 128px); }
.section-heading h2, .price-copy h2, .final-cta h2 {
  letter-spacing: -.065em;
  font-weight: 650;
}
.section-heading h2 { font-size: clamp(38px, 5vw, 64px); }
.path-grid { gap: 18px; }
.path-card {
  min-height: 340px;
  border-radius: 24px;
  padding: 26px;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease);
}
.path-card.path-maturity,
.path-card.path-ecg {
  color: var(--ink);
  background: #fafbf8;
  border: 1px solid var(--line);
}
.path-card:hover { transform: translateY(-7px); box-shadow: var(--shadow); }
.path-symbol { font-size: 118px; }
.path-content h3 { font-size: 48px; }
.status-pill { letter-spacing: .01em; }
.feature-showcase { gap: 18px; }
.feature-panel { border-radius: 24px; }
.feature-main { min-height: 460px; }
.feature-phone { width: 212px; }
.feature-phone img { border: 6px solid #fff; border-radius: 28px; }
.feature-small { min-height: 220px; }
.price-section { background: var(--green-dark); }
.price-layout { gap: 70px; }
.price-copy h2 { font-size: clamp(58px, 7vw, 84px); }
.price-card { border-radius: 24px; }
.price-value>strong { font-weight: 650; }

.inner-hero {
  padding: 76px 0 64px;
  background:
    radial-gradient(ellipse at 78% 48%, rgba(217, 243, 229, .8), transparent 34%),
    var(--paper);
}
.inner-hero-grid { grid-template-columns: .9fr 1.1fr; gap: clamp(30px, 6vw, 80px); }
.inner-hero h1 { font-size: clamp(54px, 7vw, 88px); }
.inner-hero .lead { font-size: 17px; }
.inline-meta { gap: 12px; margin: 24px 0; }
.inline-meta span {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 99px;
  padding: 9px 13px;
  font-size: 12px;
}
.inner-phone { width: min(280px, 80%); }
.legacy-shot-stack {
  height: 520px;
  position: relative;
  perspective: 1200px;
  max-width: 600px;
  margin-inline: auto;
}
.legacy-shot-stack figure {
  margin: 0;
  position: absolute;
  inset: auto;
  overflow: hidden;
  border: 5px solid #fff;
  border-radius: 24px;
  background: #fff;
  box-shadow: 0 28px 70px rgba(3, 41, 29, .2);
}
.legacy-shot-stack .legacy-left,
.legacy-shot-stack .legacy-right {
  z-index: 1;
  top: 22%;
  width: 35%;
}
.legacy-shot-stack .legacy-left {
  left: 4%;
  transform: rotate(-7deg);
}
.legacy-shot-stack .legacy-right {
  right: 4%;
  transform: rotate(7deg);
}
.legacy-shot-stack .legacy-main {
  z-index: 2;
  top: 3%;
  left: 28.5%;
  width: 43%;
  transform: rotate(1deg);
}
.legacy-shot-stack img { width: 100%; height: auto; }

.product-band { padding: 28px 0; }
.product-band .page-shell { gap: 24px; }
.product-stat strong { font-size: 20px; }
.product-stat span { font-size: 11px; }
.content-section { padding: clamp(74px, 8vw, 112px) 0; }
.content-section.alt { background: #eef3ed; }
.content-heading { margin-bottom: 42px; }
.content-heading h2 { letter-spacing: -.065em; font-weight: 650; }
.benefit-grid { gap: 14px; }
.benefit-card {
  min-height: 250px;
  padding: 24px;
  border-radius: 21px;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.benefit-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.benefit-card h3 { margin-top: 56px; }
.gallery { gap: 22px; align-items: stretch; }
.gallery figure {
  position: relative;
  padding: 22px 22px 0;
  border-radius: 22px;
  min-width: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.gallery figure:nth-child(2) { transform: none; }
.gallery img {
  display: block;
  width: min(100%, 238px);
  height: auto;
  max-height: none;
  margin-inline: auto;
  margin-top: 16px;
  border: 7px solid #18231d;
  border-radius: 30px;
  box-shadow: 0 18px 36px rgba(0,0,0,.2);
  transform: none;
  transition: transform .45s var(--ease), box-shadow .45s var(--ease);
}
.gallery figure:hover img { transform: translateY(-4px); box-shadow: 0 24px 42px rgba(0,0,0,.24); }
.gallery figcaption { font-size: 13px; }
.final-cta {
  display: block;
  padding: clamp(76px, 9vw, 120px) 0;
}
.final-cta h2 { font-size: clamp(48px, 7vw, 82px); }

.simple-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(82px, 11vw, 150px) 0 clamp(60px, 8vw, 94px);
  background:
    radial-gradient(ellipse at 85% 10%, rgba(255,255,255,.5), transparent 35%),
    var(--mint);
}
.simple-hero:after {
  content: "";
  position: absolute;
  width: 360px;
  height: 360px;
  border: 1px solid rgba(14,122,76,.12);
  border-radius: 50%;
  right: -115px;
  bottom: -230px;
  box-shadow: 0 0 0 45px rgba(14,122,76,.035), 0 0 0 90px rgba(14,122,76,.025);
  pointer-events: none;
}
.simple-hero .page-shell { position: relative; z-index: 1; }
.simple-hero h1 { font-size: clamp(48px, 7.5vw, 90px); }
.simple-hero p { font-size: 17px; }
.simple-content { padding: clamp(58px, 8vw, 96px) 0; }
.contact-grid { gap: 16px; }
.contact-card {
  min-height: 310px;
  padding: 28px;
  border-radius: 22px;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.contact-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.contact-card h2 { margin-top: 58px; }
.download-grid { gap: 16px; }
.download-card {
  border-radius: 24px;
  padding: clamp(24px, 4vw, 38px);
}
.download-card:first-child,
.download-card:nth-child(2) {
  color: var(--ink);
  background: #fafbf8;
  border: 1px solid var(--line);
}
.download-card .button { width: 100%; justify-content: space-between; }
.download-card .button,
.download-card .button-white {
  color: #fff;
  background: var(--green);
}
.download-card .platform-actions {
  width: 100%;
  flex-direction: column;
  align-items: stretch;
  margin-top: auto;
}
.download-card .platform-actions .button { width: 100%; }
.legal-block { padding: 28px 0; }
.legal-block h2 { font-size: 23px; }
.story-row { grid-template-columns: 128px 1fr; gap: 32px; padding: 34px 0; }
.story-row h2 { font-size: 28px; }
.platform-note { margin: 22px 0; color: var(--muted); line-height: 1.6; font-size: 14px; }
.faq-section-heading { margin-top: 70px; }
.faq-contact { margin-top: 40px; padding-top: 25px; border-top: 1px solid var(--line); }
.faq-contact p { color: var(--muted); margin: 0 0 18px; }
.faq-answer[aria-hidden="true"] { visibility: hidden; }
.faq-question { min-height: 72px; font-size: 16px; }
.faq-answer { transition: grid-template-rows .35s var(--ease); }
.faq-answer p { padding-bottom: 22px; }
main .faq-answer p { margin-bottom: 0; }

.partnership-page {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
}
.partnership-page .inner-main { flex: 1; }
.partnership-page .site-footer { flex-shrink: 0; }

.site-footer {
  padding: 64px 0 24px;
  background: var(--green-deep);
  color: #fff;
}
.footer-grid { padding-bottom: 46px; }
.footer-links h3 { color: rgba(255,255,255,.56); }
.footer-links a { color: rgba(255,255,255,.86); transition: color .2s, transform .2s; }
.footer-links a:hover { color: #8af0b6; transform: translateX(3px); }
.footer-bottom { border-color: rgba(255,255,255,.17); color: rgba(255,255,255,.56); }
.footer-logo>span:last-child>span { color: #8af0b6; }
.footer-brand p { color: rgba(255,255,255,.58); }
.redirect-shell {
  min-height: 100svh;
  padding: 24px;
  display: grid;
  place-items: center;
  background: radial-gradient(ellipse at 20% 0, var(--mint-2), transparent 42%), var(--paper);
}
.redirect-card {
  width: min(100%, 560px);
  padding: clamp(28px, 6vw, 52px);
  border: 1px solid var(--line);
  border-radius: 28px;
  background: rgba(255,255,255,.88);
  box-shadow: var(--shadow);
}
.redirect-card h1 { margin: 44px 0 12px; font-size: clamp(36px, 7vw, 56px); letter-spacing: -.06em; }
.redirect-card p { margin: 0 0 28px; color: var(--muted); line-height: 1.65; }

.partner-hero {
  padding: clamp(64px, 8vw, 104px) 0;
  background:
    radial-gradient(ellipse at 82% 46%, rgba(209, 233, 217, .85), transparent 38%),
    var(--paper);
}
.partner-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr);
  align-items: center;
  gap: clamp(40px, 7vw, 92px);
}
.partner-hero-copy { max-width: 560px; }
.partner-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 22px;
  font-size: 18px;
  font-weight: 700;
}
.partner-mark {
  display: inline-flex;
  width: 46px;
  height: 46px;
  flex: 0 0 46px;
  align-items: center;
  justify-content: center;
  gap: 1px;
  border-radius: 14px;
  background: #11111b;
  color: #fff;
  font-size: 16px;
  letter-spacing: -.08em;
}
.partner-mark span { color: #4c78f2; }
.partner-hero h1 {
  margin: 0 0 22px;
  font-size: clamp(48px, 6vw, 76px);
  line-height: .98;
  letter-spacing: -.075em;
}
.partner-hero h1 em {
  color: var(--green);
  font-style: normal;
}
.partner-lead {
  max-width: 520px;
  color: var(--muted);
  font-size: clamp(17px, 1.6vw, 20px);
}
.partner-detail {
  max-width: 510px;
  color: var(--muted);
  font-size: 15px;
}
.partner-hero .button { margin-top: 10px; }
.math-preview {
  min-width: 0;
  padding: clamp(20px, 3vw, 32px);
  border: 1px solid rgba(255, 255, 255, .08);
  border-radius: 28px;
  background: #11111b;
  box-shadow: 0 28px 70px rgba(3, 20, 15, .2);
  color: #f7f7fa;
}
main .math-preview-label {
  margin-bottom: 14px;
  color: #b8d9bd;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.math-question {
  padding: 16px 18px;
  border-radius: 16px;
  background: #1a1a25;
}
main .math-question p { margin: 0; font-weight: 650; }
main .math-question .math-formula {
  margin-top: 6px;
  color: #e2e1ec;
  font-family: Georgia, serif;
  font-size: clamp(20px, 2.2vw, 28px);
  font-style: italic;
  font-weight: 400;
}
.math-options {
  display: grid;
  gap: 8px;
  margin: 14px 0 10px;
  padding: 0;
  border: 0;
}
.math-options legend {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  clip-path: inset(50%);
}
.math-options label {
  display: flex;
  min-height: 44px;
  align-items: center;
  gap: 12px;
  padding: 7px 12px;
  border: 1px solid rgba(255, 255, 255, .09);
  border-radius: 12px;
  color: #d9d8e1;
  cursor: pointer;
  font-family: Georgia, serif;
  font-size: 17px;
  transition: border-color .2s, background .2s, color .2s;
}
.math-options label:hover { border-color: rgba(255, 255, 255, .28); }
.math-options input {
  width: 18px;
  height: 18px;
  flex: 0 0 18px;
  margin: 0;
  accent-color: #72cf89;
  cursor: pointer;
}
.math-options input:focus-visible {
  outline: 2px solid #9ee9ac;
  outline-offset: 3px;
}
.math-option-letter {
  display: grid;
  width: 26px;
  height: 26px;
  flex: 0 0 26px;
  place-items: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, .08);
  color: #b9b8c2;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 11px;
  font-weight: 700;
}
.math-options label.is-selected {
  border-color: rgba(158, 233, 172, .65);
  background: rgba(114, 207, 137, .09);
}
.math-options label.is-answer-correct {
  border-color: rgba(100, 201, 130, .65);
  color: #9cdda9;
}
.math-options label.is-answer-wrong {
  border-color: rgba(233, 92, 92, .6);
  color: #f2a0a0;
}
.math-option-answer { flex: 1; }
.math-feedback {
  min-height: 0;
  margin: 0 0 10px;
  color: #f2a0a0;
  font-size: 13px;
}
.math-feedback:empty { display: none; }
.math-feedback[data-state="correct"] { color: #9cdda9; }
.math-check-button {
  display: flex;
  width: 100%;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  padding: 10px 16px;
  border: 0;
  border-radius: 12px;
  background: var(--green);
  color: #fff;
  font: inherit;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: background .2s, transform .2s;
}
.math-check-button:hover { background: #15945f; transform: translateY(-1px); }
.math-check-button:focus-visible {
  outline: 3px solid #9ee9ac;
  outline-offset: 3px;
}
.math-solution[hidden] { display: none; }
.math-solution { margin-top: 12px; }
.math-solution strong { margin-bottom: 8px; }
.math-solution p { margin: 0; }
@media (max-width: 680px) {
  .math-preview { padding: 18px; }
  .math-options label { min-height: 46px; }
}
.math-solution {
  padding: 16px 18px 2px;
  border-radius: 16px;
  background: #1a1a25;
}
.math-solution strong {
  display: block;
  margin-bottom: 7px;
  color: #f0b75a;
  font-size: 14px;
}
main .math-solution p {
  margin: 0;
  color: #e0dfe7;
  font-size: 14px;
}
.partner-stats { padding: 26px 0; background: #fff; }
.partner-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  text-align: center;
}
.partner-stats-grid > div { min-width: 0; }
.partner-stats-grid strong {
  display: block;
  color: var(--ink);
  font-size: clamp(30px, 4vw, 48px);
  font-weight: 750;
  letter-spacing: -.07em;
  line-height: 1.1;
}
.partner-stats-grid strong span { color: var(--green); }
.partner-stats-grid p {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 13px;
}
.partner-details { background: var(--paper); }
.partner-feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}
.partner-feature-card {
  min-height: 240px;
  padding: clamp(22px, 3vw, 30px);
  border: 1px solid var(--line);
  border-radius: 22px;
  background: #fff;
}
.partner-feature-index {
  display: inline-flex;
  width: 36px;
  height: 36px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--mint);
  color: var(--green);
  font-size: 12px;
  font-weight: 800;
}
.partner-feature-card h3 {
  margin: 44px 0 10px;
  font-size: clamp(20px, 2.2vw, 25px);
  letter-spacing: -.04em;
}
.partner-feature-card p {
  color: var(--muted);
  font-size: 14px;
}
.partner-free {
  padding: clamp(48px, 7vw, 78px) 0;
  background: var(--green-dark);
  color: #fff;
}
.partner-free-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 36px;
}
.partner-free .eyebrow { color: #a5e8bd; }
.partner-free h2 {
  margin: 0 0 12px;
  font-size: clamp(32px, 4vw, 48px);
  letter-spacing: -.06em;
}
.partner-free p:not(.eyebrow) {
  max-width: 620px;
  margin: 0;
  color: rgba(255, 255, 255, .76);
}
.partner-free .button { flex: 0 0 auto; }

[data-reveal] {
  opacity: 0;
  translate: 0 14px;
  transition: opacity .45s var(--ease), translate .45s var(--ease);
}
[data-reveal].is-visible { opacity: 1; translate: 0 0; }
[data-reveal-delay="1"] { transition-delay: .1s; }
[data-reveal-delay="2"] { transition-delay: .2s; }
[data-reveal-delay="3"] { transition-delay: .3s; }
@keyframes device-float {
  0%, 100% { translate: 0 0; }
  50% { translate: 0 -12px; }
}

@media (max-width: 900px) {
  :root { --shell: min(100% - 44px, 720px); }
  .desktop-nav { gap: 16px; }
  .hero-grid, .inner-hero-grid { grid-template-columns: 1fr 1fr; gap: 18px; }
  .home-hero { min-height: 740px; }
  .hero h1 { font-size: clamp(56px, 8.2vw, 78px); }
  .hero-visual { min-height: 480px; }
  .average-card { left: -18px; }
  .status-card { right: -10px; }
  .legacy-shot-stack { height: clamp(390px, 52vw, 480px); }
  .gallery { gap: 14px; }
  .gallery figure { padding: 18px 14px 0; }
  .gallery img { width: min(100%, 230px); }
  .price-layout { grid-template-columns: 1fr 380px; gap: 36px; }
  .partner-hero-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
}

@media (max-width: 1100px) {
  .desktop-nav { display: none; }
  .menu-button { display: block; width: 48px; height: 48px; }
  .header-cta { margin-left: auto; }
}

@media (max-width: 680px) {
  :root { --shell: calc(100% - 40px); }
  html { scroll-padding-top: 80px; }
  .site-header { height: 70px; }
  .nav-shell { gap: 10px; }
  .brand { gap: 9px; font-size: 19px; }
  .brand-icon { width: 38px; height: 38px; }
  .desktop-nav { display: none; }
  .header-cta { min-height: 40px; margin-left: auto; padding: 0 14px; font-size: 12px; }
  .menu-button { display: block; width: 42px; height: 42px; }
  .menu-button span { left: 12px; }
  .menu-button span:first-child { top: 16px; }
  .menu-button span:last-child { top: 24px; }
  .menu-button[aria-expanded="true"] span:first-child,
  .menu-button[aria-expanded="true"] span:last-child { top: 20px; }
  .mobile-menu { padding: calc(90px + env(safe-area-inset-top)) 20px calc(22px + env(safe-area-inset-bottom)); }
  .inner-main { padding-top: 70px; }
  .home-hero {
    min-height: auto;
    padding: 112px 0 34px;
    background:
      radial-gradient(ellipse at 50% 70%, rgba(24,169,105,.22), transparent 44%),
      var(--green-dark);
  }
  .hero-grid, .inner-hero-grid { grid-template-columns: 1fr; gap: 0; }
  .hero-copy { padding: 12px 0 0; }
  .hero h1 { font-size: clamp(56px, 15vw, 76px); margin-bottom: 19px; }
  .hero-lead { font-size: 16px; line-height: 1.55; }
  .hero-actions { gap: 16px; margin-top: 24px; }
  .button { min-height: 50px; padding-inline: 18px; font-size: 13px; }
  .hero-proof { margin-top: 26px; padding-top: 16px; }
  .hero-proof>div { padding: 0 12px; }
  .hero-proof strong { font-size: 14px; }
  .hero-proof span { font-size: 10px; }
  .hero-visual { min-height: 385px; margin-top: -5px; }
  .phone-stage { width: min(57vw, 235px); transform: translateY(12px) rotate(2deg); }
  .phone-stage img { border-width: 5px; border-radius: 27px; }
  .home-screen-float { width: clamp(118px, 34vw, 155px); border-width: 4px; border-radius: 20px; }
  .screen-overview { left: -5px; top: 54px; }
  .screen-profile { right: -5px; bottom: 4px; }
  .visual-glow { width: 280px; height: 280px; top: 55px; }
  .average-card { top: 80px; left: 0; width: 145px; padding: 12px; }
  .average-card strong { font-size: 28px; }
  .status-card { bottom: 35px; right: 0; }
  .path-section, .features-section, .price-section { padding-block: 70px; }
  .section-heading { margin-bottom: 26px; }
  .section-heading h2 { font-size: clamp(36px, 10vw, 48px); }
  .path-grid { grid-template-columns: 1fr; gap: 12px; }
  .path-card { min-height: 285px; padding: 20px; }
  .path-symbol { font-size: 94px; }
  .path-content h3 { font-size: 40px; }
  .feature-showcase { grid-template-columns: 1fr; gap: 12px; }
  .feature-main { grid-column: 1 / -1; min-height: 410px; }
  .feature-phone { width: min(48%, 190px); }
  .feature-small { min-height: 0; padding: 20px; }
  .feature-small h3 { margin: 22px 0 8px; font-size: 22px; }
  .price-layout { grid-template-columns: 1fr; gap: 30px; }
  .price-copy h2 { font-size: 58px; }
  .price-card { padding: 25px; }
  .inner-hero { padding: 55px 0 32px; }
  .inner-hero h1 { font-size: clamp(52px, 13vw, 76px); margin-bottom: 18px; }
  .inner-hero .lead { font-size: 16px; }
  .inline-meta { gap: 8px; margin: 18px 0; }
  .inline-meta span { padding: 8px 10px; font-size: 11px; }
  .inner-hero .hero-actions { margin-top: 18px; }
  .legacy-shot-stack {
    height: clamp(300px, 92vw, 390px);
    max-width: 520px;
    margin: 18px auto 0;
    overflow: visible;
  }
  .legacy-shot-stack figure {
    border-width: 4px;
    border-radius: 22px;
  }
  .product-band { padding: 21px 0; }
  .product-band .page-shell { grid-template-columns: 1fr 1fr; gap: 18px 12px; }
  .product-stat { border: 0; padding: 0; }
  .product-stat strong { font-size: 17px; }
  .content-section { padding: 66px 0; }
  .content-heading { margin-bottom: 28px; }
  .content-heading h2 { font-size: clamp(36px, 10vw, 48px); }
  .benefit-grid { grid-template-columns: 1fr; gap: 10px; }
  .benefit-card { min-height: 0; padding: 21px; }
  .benefit-card h3 { margin: 34px 0 9px; font-size: 22px; }
  .gallery {
    display: flex;
    gap: 14px;
    width: 100%;
    margin: 0;
    overflow-x: auto;
    padding: 0 0 18px;
    scroll-snap-type: x mandatory;
    scrollbar-width: thin;
    scrollbar-color: var(--green) transparent;
  }
  .gallery figure {
    flex: 0 0 min(76vw, 285px);
    padding: 18px 18px 0;
    scroll-snap-align: center;
  }
  .gallery figure:nth-child(2) { transform: none; }
  .gallery img { width: min(100%, 220px); }
  .simple-hero { padding: 72px 0 54px; }
  .simple-hero h1 { font-size: clamp(48px, 12vw, 70px); }
  .simple-hero p { margin-top: 18px; font-size: 16px; }
  .simple-content { padding: 54px 0; }
  .contact-grid, .download-grid { grid-template-columns: 1fr; gap: 12px; }
  .contact-card { min-height: 270px; padding: 23px; }
  .contact-card h2 { margin-top: 42px; font-size: 30px; }
  .download-card { padding: 24px; }
  .story-row { grid-template-columns: 1fr; gap: 13px; padding: 26px 0; }
  .story-row h2 { font-size: 25px; }
  .faq-question { min-height: 68px; font-size: 15px; gap: 16px; }
  .faq-question span { flex: 0 0 auto; }
  .final-cta { padding: 68px 0; }
  .final-cta h2 { font-size: clamp(44px, 11vw, 62px); }
  .partner-hero { padding: 48px 0 40px; }
  .partner-hero-grid { grid-template-columns: 1fr; gap: 30px; }
  .partner-hero h1 { font-size: clamp(44px, 12vw, 62px); }
  .partner-brand { margin-bottom: 18px; }
  .math-preview { padding: 18px; border-radius: 22px; }
  .math-question { padding: 14px; }
  .math-solution { padding: 14px 14px 2px; }
  .partner-stats { padding: 22px 0; }
  .partner-stats-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px 12px; }
  .partner-stats-grid p { font-size: 12px; }
  .partner-feature-grid { grid-template-columns: 1fr; gap: 10px; }
  .partner-feature-card { min-height: 0; padding: 22px; }
  .partner-feature-card h3 { margin: 22px 0 8px; }
  .partner-free-inner { align-items: stretch; flex-direction: column; gap: 24px; }
  .partner-free .button { width: 100%; }
  .site-footer { padding: 46px 0 20px; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; padding-bottom: 30px; }
  .footer-links { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px 14px; }
  .footer-bottom { gap: 12px; font-size: 9px; letter-spacing: .07em; }
}

@media (max-width: 380px) {
  :root { --shell: calc(100% - 32px); }
  .header-cta { padding-inline: 11px; }
  .hero h1 { font-size: 54px; }
  .hero-proof>div { padding-inline: 9px; }
  .hero-proof span { font-size: 9px; }
  .average-card { width: 128px; }
  .status-card { padding: 10px 13px; }
  .footer-links { grid-template-columns: 1fr 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  *, *:before, *:after {
    scroll-behavior: auto !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  [data-reveal] { opacity: 1; translate: 0 0; }
}