/* ============================================================
   nkjk.cz — style.css
   Grafická identita NKJK / Moovinity v4.0
   Master reference: nkjk-brain/00_meta/NKJK_graficka_identita_v4.md
   ============================================================ */

/* 1. CSS proměnné (kanonický základ z identity v4, sekce 12) */

:root {
  /* Základ */
  --black:           #0D0D0D;
  --white:           #FFFFFF;

  /* Primární akcent */
  --midnight:        #2C3E6B;
  --midnight-dk:     #1A2547;

  /* Ocelová škála */
  --steel:           #4A5568;
  --steel-light:     #E2E8F0;

  /* Signature accent */
  --bronze:          #8B6914;

  /* Pozadí */
  --bg:              #FFFFFF;
  --bg-section:      #F8F9FB;
  --bg-card:         #F0F2F5;

  /* Text */
  --text:            #0D0D0D;
  --text-muted:      #4A5568;
  --text-subtle:     #8A9AAE;

  /* Neuronová síť */
  --neuron-color:        #2C3E6B;
  --neuron-width-thin:   1px;
  --neuron-width-thick:  1.5px;
  --neuron-bg-opacity:   0.05;

  /* Typografie */
  --font-display:    'Barlow Condensed', sans-serif;
  --font-body:       'Montserrat', sans-serif;
  --font-mono:       'JetBrains Mono', ui-monospace, monospace;

  /* Hairlines */
  --hairline:        0.5px solid rgba(13,13,13,0.10);
  --hairline-strong: 0.5px solid rgba(13,13,13,0.18);
  --hairline-dark:   0.5px solid rgba(255,255,255,0.10);

  /* Radius */
  --radius-card:     8px;
  --radius-button:   4px;

  /* Spacing */
  --page-max:        1200px;
  --page-padding:    48px;
  --section-padding: 88px;
  --hero-padding-t:  96px;
  --hero-padding-b:  80px;

  /* Transitions */
  --tx-default:      160ms ease;
}

/* 2. Reset a base */

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

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 15px;
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img,
svg {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--tx-default);
}

::selection {
  background: var(--midnight);
  color: var(--white);
}

/* 3. Container */

.container {
  width: 100%;
  max-width: var(--page-max);
  margin: 0 auto;
  padding: 0 var(--page-padding);
}

/* 4. Stavební bloky sekcí */

.topbar {
  border-bottom: var(--hairline);
}

.hero {
  position: relative;
  padding-top: var(--hero-padding-t);
  padding-bottom: var(--hero-padding-b);
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: -60px;
  right: -100px;
  width: 720px;
  height: 640px;
  background-image: url("assets/pattern1.png");
  background-repeat: no-repeat;
  background-size: contain;
  background-position: top right;
  opacity: 0.08;
  pointer-events: none;
  z-index: 0;
}

/* Tick scale (11 jemných čar vertikálně, D.07 z identity v4) podél levé hrany hero. */
.hero__ticks {
  position: absolute;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  opacity: 0.30;
  pointer-events: none;
  z-index: 0;
  color: var(--midnight);
}

.hero > .container {
  position: relative;
  z-index: 1;
}

/* Watermark číslo sekce (I.04 z identity v4, vzor z laco-cz). */
.section {
  position: relative;
  overflow: hidden;
}

.section[data-watermark]::before {
  content: attr(data-watermark);
  position: absolute;
  top: 16px;
  right: var(--page-padding);
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(80px, 12vw, 140px);
  line-height: 0.9;
  letter-spacing: -0.03em;
  color: rgba(13, 13, 13, 0.04);
  pointer-events: none;
  user-select: none;
  z-index: 0;
}

.section > .container {
  position: relative;
  z-index: 1;
}

@media (max-width: 960px) {
  .section[data-watermark]::before {
    top: 12px;
    right: 28px;
    font-size: clamp(70px, 18vw, 110px);
  }
}

.section {
  padding-top: var(--section-padding);
  padding-bottom: var(--section-padding);
}

.footer {
  border-top: var(--hairline);
  padding-top: 28px;
  padding-bottom: 28px;
}

/* 5. Sekce 1. TopBar */

.topbar__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  gap: 24px;
}

.topbar__brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  color: var(--text);
}

.topbar__logo {
  display: block;
  width: 56px;
  height: 56px;
  flex-shrink: 0;
}

.topbar__wordmark {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 14px;
  letter-spacing: 0.20em;
  text-transform: uppercase;
  color: var(--text);
}

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

.topbar__link {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text);
  transition: color var(--tx-default);
}

.topbar__link:hover,
.topbar__link:focus-visible {
  color: var(--midnight);
}

/* 6. Sekce 2. Hero */

.hero__eyebrow {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--midnight);
  margin-bottom: 32px;
}

.hero__h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(40px, 6.4vw, 72px);
  line-height: 1.0;
  letter-spacing: 0.005em;
  text-transform: uppercase;
  color: var(--text);
  max-width: 880px;
}

.hero__h1-sentence {
  display: block;
}

.hero__h1-sentence + .hero__h1-sentence {
  margin-top: 18px;
}

/* Inverzní druhá věta hero (midnight bar per řádek). */
.hero__h1-sentence--invert {
  line-height: 1.4;
}

.hero__h1-sentence--invert + .hero__h1-sentence,
.hero__h1-sentence + .hero__h1-sentence--invert {
  margin-top: 24px;
}

.hero__h1-highlight {
  display: inline;
  background: var(--midnight);
  color: var(--white);
  padding: 4px 14px;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}

.hero__subhead {
  margin: 36px 0 0;
  max-width: 640px;
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 18px;
  line-height: 1.7;
  color: var(--text-muted);
}

.hero__ctas {
  margin-top: 40px;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.hero__tagline {
  margin: 56px 0 0;
  padding-top: 24px;
  border-top: var(--hairline);
  max-width: 640px;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(20px, 2.4vw, 26px);
  line-height: 1.3;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  color: var(--midnight);
}

/* 7. Sec-head pattern (společný pro sekce 3 až 9) */

.sec-head {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 72px;
  align-items: start;
}

.sec-head__num {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-top: 14px;
}

.sec-head__num-line {
  display: block;
  width: 28px;
  height: 1px;
  background: var(--midnight);
  flex-shrink: 0;
}

.sec-head__num-label {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 14px;
  letter-spacing: 0.20em;
  text-transform: uppercase;
  color: var(--midnight);
  white-space: nowrap;
}

.sec-h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(34px, 5vw, 54px);
  line-height: 1.0;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  color: var(--text);
}

.sec-sub {
  margin: 24px 0 0;
  max-width: 580px;
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-muted);
}

/* 8. Bullet lists (B.01 full dot, B.02 open ring, B.05 arrow lead) */

.bullet-list {
  margin: 32px 0 0;
  padding: 0;
  list-style: none;
  max-width: 740px;
}

.bullet-list li {
  position: relative;
  padding-left: 24px;
  margin-bottom: 14px;
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text);
}

.bullet-list li:last-child {
  margin-bottom: 0;
}

/* B.01 full dot (default) */
.bullet-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 6px;
  height: 6px;
  background: var(--midnight);
  border-radius: 50%;
}

/* B.05 arrow lead */
.bullet-list--arrow li {
  padding-left: 26px;
}

.bullet-list--arrow li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 10px;
  height: 1px;
  background: var(--midnight);
  border-radius: 0;
}

.bullet-list--arrow li::after {
  content: "";
  position: absolute;
  left: 6px;
  top: 9px;
  width: 6px;
  height: 6px;
  border-top: 1px solid var(--midnight);
  border-right: 1px solid var(--midnight);
  transform: rotate(45deg);
}

/* B.02 open ring */
.bullet-list--ring li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 8px;
  background: transparent;
  border: 1px solid var(--midnight);
  border-radius: 50%;
}

/* 9. Karty */

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 240px;
  padding: 28px 26px 26px;
  background: var(--bg-card);
  border: 0.5px solid rgba(13, 13, 13, 0.08);
  border-radius: var(--radius-card);
}

/* Lead magnet karta: bronze tag (jediný bronze prvek na stránce, podle identity v4). */
.magnet .card__tag {
  color: var(--bronze);
}

.card__tag {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--midnight);
}

.card__h3 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 28px;
  line-height: 1.15;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--text);
}

.card__body {
  margin: 14px 0 0;
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-muted);
}

.card__body--meta {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-subtle);
}

/* 10. Lead magnet karta (bronze rámeček + bronze tag = bronze koncentrovaný na klíčovém momentu) */

.magnet {
  margin-top: 48px;
  max-width: 720px;
  padding: 36px 36px 32px;
  border: 0.5px solid var(--bronze);
}

.magnet .form {
  margin-top: 22px;
}

/* 11. Sekce 4. Pilotní program — týdenní karty */

.weeks {
  margin-top: 48px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.week {
  min-height: 200px;
  padding: 24px 22px 22px;
}

.week__index {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 9px;
  letter-spacing: 0.20em;
  text-transform: uppercase;
  color: var(--text-subtle);
}

.week .card__h3 {
  font-size: 24px;
  margin-top: 12px;
}

.week .card__body {
  margin-top: 12px;
  font-size: 14px;
}

/* 12. Sub-bloky */

.subblocks {
  margin-top: 64px;
  display: grid;
  grid-template-columns: 1fr 1.5fr 1fr;
  gap: 32px;
}

.subblock__h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 18px;
  line-height: 1.2;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--midnight);
}

.subblock .bullet-list {
  margin-top: 20px;
}

/* 12b. Sekce 4b. Co říkají rodiče (testimonialy mezi pilot info a přihláškou)
   3 karty s citáty z prvního pilotu, anonymně, hairline rámeček, identity v4. */

.section--testimonials {
  padding-top: 56px;
  padding-bottom: 56px;
}

.testimonials__intro {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin: 0 0 32px 0;
  text-align: center;
}

.testimonials {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.testimonial {
  border: var(--hairline);
  border-radius: 8px;
  padding: 28px;
  background: var(--canvas);
  display: flex;
  flex-direction: column;
  min-height: 240px;
}

.testimonial__quote {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.55;
  color: var(--text);
  margin: 0 0 20px 0;
  flex-grow: 1;
}

.testimonial__by {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin: 0;
  border-top: var(--hairline);
  padding-top: 16px;
}

/* 13. Sekce 5. Hero stats */

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  border-top: var(--hairline);
  padding-top: 28px;
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.stat__label {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 10px;
  letter-spacing: 0.20em;
  text-transform: uppercase;
  color: var(--text-subtle);
}

.stat__value {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 34px;
  line-height: 1.0;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  color: var(--text);
}

/* 14. Signup blok pod stats */

.signup {
  margin-top: 64px;
}

.signup__h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1.05;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  color: var(--text);
}

.signup__sub {
  margin: 20px 0 0;
  max-width: 580px;
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 16px;
  line-height: 1.75;
  color: var(--text-muted);
}

.signup .form {
  margin-top: 32px;
}

/* 15. Sekce 6. Dark quote + princip */

.quote-dark {
  position: relative;
  margin: 32px 0 0;
  padding: 36px 44px 40px;
  background: var(--midnight);
  border-radius: var(--radius-card);
  border: 0.5px solid rgba(255, 255, 255, 0.08);
  overflow: hidden;
  max-width: 880px;
}

.quote-dark::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 1px;
  background: var(--midnight-dk);
}

/* Výjimka identity v4: glyph uvozovky v patkovém fontu (Georgia, system).
   Drží klasický editorial look quote bloku, ostatní typografie zůstává sans-serif. */
.quote-dark__glyph {
  display: block;
  font-family: Georgia, 'Times New Roman', serif;
  font-weight: 400;
  font-size: 88px;
  line-height: 0.85;
  color: rgba(255, 255, 255, 0.32);
  margin-bottom: 0;
  letter-spacing: -0.04em;
}

.quote-dark blockquote {
  margin: 0;
  font-family: var(--font-body);
  font-style: italic;
  font-weight: 400;
  font-size: 24px;
  line-height: 1.4;
  color: var(--white);
  max-width: 760px;
}

.prose {
  margin-top: 40px;
  max-width: 540px;
}

.prose p {
  margin: 0 0 16px;
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text);
}

.prose p:last-child {
  margin-bottom: 0;
}

.closing-line {
  margin: 56px 0 0;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(16px, 1.9vw, 22px);
  line-height: 1.3;
  letter-spacing: 0.005em;
  text-transform: uppercase;
  color: var(--midnight);
  white-space: nowrap;
}

/* 16. Sekce 7. Kdo to vede (autor) */

.author {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 56px;
  align-items: start;
  margin-top: 8px;
}

.author__photo-wrap {
  margin: 0;
}

.author__photo {
  width: 280px;
  height: 280px;
  object-fit: cover;
  border: var(--hairline);
  border-radius: var(--radius-card);
  filter: grayscale(10%) contrast(0.98);
}

.author__text {
  display: flex;
  flex-direction: column;
}

.author__text .sec-h2 {
  margin: 0 0 24px;
}

.author__text p {
  margin: 0 0 18px;
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text);
  max-width: 560px;
}

.author__lede strong {
  font-weight: 600;
}

/* Vrstvy autor bio (2x2 grid s hairline) */
.layers {
  list-style: none;
  margin: 32px 0 28px;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  column-gap: 32px;
  border-top: var(--hairline);
  border-bottom: var(--hairline);
}

.layer {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 18px;
  padding: 16px 0;
  align-items: start;
}

.layer:nth-child(n+3) {
  border-top: var(--hairline);
}

.layer__num {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--midnight);
  padding-top: 6px;
}

.layer__h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 18px;
  line-height: 1.15;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text);
}

.layer__body {
  margin: 6px 0 0;
  max-width: 480px;
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 13px;
  line-height: 1.65;
  color: var(--text-muted);
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 8px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--midnight);
  width: max-content;
  transition: color var(--tx-default);
}

.link-arrow:hover,
.link-arrow:focus-visible {
  color: var(--midnight-dk);
}

/* 17. Sekce 9. Newsletter — kompaktní layout */

.form--newsletter .form__row--inline {
  max-width: 480px;
}

.form--newsletter .form__actions {
  margin-top: 20px;
}

/* 18. Formuláře (společné) */

.form__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px 22px;
}

.form__row {
  display: flex;
  flex-direction: column;
}

.form__row--full {
  grid-column: 1 / -1;
}

.form__label {
  margin-bottom: 8px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--midnight);
}

.form__row input,
.form__row textarea {
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 400;
  color: var(--text);
  background: var(--white);
  border: 0.5px solid rgba(13, 13, 13, 0.20);
  border-radius: var(--radius-button);
  padding: 12px 14px;
  line-height: 1.5;
  width: 100%;
  transition: border-color var(--tx-default), box-shadow var(--tx-default);
}

.form__row input::placeholder,
.form__row textarea::placeholder {
  color: var(--text-subtle);
  font-weight: 300;
}

.form__row input:focus,
.form__row textarea:focus {
  outline: none;
  border-color: var(--midnight);
  box-shadow: 0 0 0 3px rgba(44, 62, 107, 0.10);
}

.form__row textarea {
  resize: vertical;
  min-height: 120px;
}

.form__row--honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form__actions {
  margin-top: 24px;
  display: flex;
  gap: 20px;
  align-items: center;
  flex-wrap: wrap;
}

.form__status {
  margin: 0;
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1.5;
  color: var(--text-muted);
}

.form__status:empty {
  display: none;
}

.form__status--ok {
  color: var(--midnight);
  font-weight: 500;
}

.form__status--err {
  color: var(--bronze);
}

.form__gdpr {
  margin: 22px 0 0;
  max-width: 560px;
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 12px;
  line-height: 1.6;
  color: var(--text-subtle);
}

.magnet .form__row + .btn,
.magnet .form button[type="submit"] {
  margin-top: 18px;
}

/* 19. Tlačítka */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 14px 22px;
  border-radius: var(--radius-button);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background var(--tx-default), color var(--tx-default), border-color var(--tx-default);
  text-decoration: none;
  line-height: 1;
}

.btn--primary {
  background: var(--midnight);
  color: var(--white);
  border-color: var(--midnight);
}

.btn--primary:hover,
.btn--primary:focus-visible {
  background: var(--midnight-dk);
  border-color: var(--midnight-dk);
}

.btn--secondary {
  background: transparent;
  color: var(--midnight);
  border-color: var(--midnight);
}

.btn--secondary:hover,
.btn--secondary:focus-visible {
  background: var(--midnight);
  color: var(--white);
}

.btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(44, 62, 107, 0.25);
}

.cta-arrow {
  flex-shrink: 0;
  color: currentColor;
}

/* 20. Sekce 10. Footer */

.footer__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.footer__copy {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--text-subtle);
}

.footer__stamp {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 9px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-subtle);
}

/* 21. Mobile breakpoint */

@media (max-width: 960px) {
  :root {
    --page-padding: 28px;
    --section-padding: 64px;
    --hero-padding-t: 64px;
    --hero-padding-b: 56px;
  }

  .topbar__row {
    height: 56px;
    gap: 16px;
  }

  /* Na mobile (<960px) skrýváme wordmark "NKJK", protože překrývá první nav link.
     Logo icon vlevo nese identitu sám. Desktop verze obě stále ukazuje vedle sebe. */
  .topbar__wordmark {
    display: none;
  }

  .topbar__nav {
    gap: 18px;
  }

  .topbar__link {
    font-size: 12px;
    letter-spacing: 0.12em;
  }

  .hero__h1 {
    font-size: clamp(32px, 8.5vw, 52px);
  }

  .hero__tagline {
    font-size: 20px;
  }

  .sec-head {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .sec-head__num {
    padding-top: 0;
  }

  .magnet {
    padding: 28px 24px 24px;
  }

  .weeks {
    grid-template-columns: 1fr;
    gap: 14px;
    margin-top: 32px;
  }

  .subblocks {
    grid-template-columns: 1fr;
    gap: 32px;
    margin-top: 48px;
  }

  .stats {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }

  .stat__value {
    font-size: 26px;
  }

  .testimonials {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .testimonial {
    padding: 24px;
    min-height: 0;
  }

  /* Pilot CTA "Odeslat nezávaznou přihlášku" je delší text,
     na úzkém mobilu povolit wrap přes 2 řádky bez rozbití layoutu. */
  .form--pilot .btn span {
    white-space: normal;
    text-align: center;
    line-height: 1.3;
  }

  .quote-dark {
    padding: 36px 32px;
  }

  .quote-dark__glyph {
    font-size: 56px;
  }

  .quote-dark blockquote {
    font-size: 20px;
  }

  .closing-line {
    white-space: normal;
    font-size: 17px;
    margin-top: 40px;
  }

  .layers {
    grid-template-columns: 1fr;
    column-gap: 0;
  }

  .layer:nth-child(n+2) {
    border-top: var(--hairline);
  }

  .subblocks {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .author {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .author__photo {
    width: 100%;
    max-width: 320px;
    height: auto;
    aspect-ratio: 1 / 1;
  }

  .form__grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .footer__row {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001s !important;
    transition-duration: 0.001s !important;
  }
}