@import url("https://fonts.googleapis.com/css2?family=Allura&family=Cormorant+Garamond:wght@400;500&family=Inter:wght@300;400;500;600&display=swap");

/* =========================================================
   KRUHY — jemný scroll web s videem na pozadí
   ========================================================= */

:root {
  --text: #f5f2eb;
  --muted: rgba(245, 242, 235, 0.72);
  --soft: rgba(245, 242, 235, 0.48);
  --line: rgba(245, 242, 235, 0.26);
  --accent: #d6c2a7;
  --page-padding: clamp(24px, 5vw, 88px);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--text);
  background: #151513;
  font-family: "Inter", sans-serif;
  font-weight: 400;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
}

/* VIDEO */

.video-background {
  position: fixed;
  inset: 0;
  z-index: -4;
  overflow: hidden;
  background:
    radial-gradient(circle at center, #45423c 0%, #171714 75%);
}

.video-background video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter:
        brightness(1.05)
        contrast(.92)
        saturate(.88)
        sepia(.10);
  transform: scale(1.02);
}

.video-overlay {
  position: fixed;
  inset: 0;
  z-index: -3;
  pointer-events: none;

  background: linear-gradient(
    90deg,
    rgba(255,255,255,.48) 0%,
    rgba(255,255,255,.32) 30%,
    rgba(255,255,255,.15) 60%,
    rgba(255,255,255,.50) 82%
  );
}

.soft-vignette {
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  box-shadow: none;
}

/* HEADER */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 28px var(--page-padding);
  transition:
    background 0.5s ease,
    backdrop-filter 0.5s ease,
    padding 0.5s ease;
}

.site-header.is-scrolled {
  padding-top: 18px;
  padding-bottom: 18px;
  background: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

.brand {
  position: absolute;
  left: 500px;
  top: -40px;
  display: block;
}

.brand img {
  display: block;
  width: clamp(500px, 42vw, 790px);
  height: auto;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: clamp(22px, 3vw, 48px);
}

.main-nav a {

  position: relative;

  color: rgba(47,51,56,.90);

  font-size:13px;
  font-weight:400;

  transition:color .3s ease;

}

.main-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -7px;
  width: 100%;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.35s ease;
}

.main-nav a:hover {
  color:#000;
}

.main-nav a:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 0;
  padding: 0;
  background: transparent;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 1px;
  margin: 7px auto;
  background: #fff;
  transition: transform 0.35s ease, opacity 0.35s ease;
}

/* SCENES */

.scene {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding:
    clamp(120px, 14vh, 180px)
    var(--page-padding)
    clamp(90px, 12vh, 150px);
}

.scene-content {
  position: relative;
  z-index: 100;
  width:100%;
}

.scene-content.wide {
  width: min(1180px, 100%);
}

.scene-right {
  justify-content: flex-end;
}

.scene-center {
  justify-content: center;
  text-align: center;
}

.scene-hero {
  align-items: flex-end;
  padding-bottom: 155px;
}

.scene-contact {
  min-height: 115svh;
  align-items: center;
}

.eyebrow,
.section-number {
  margin: 0 0 28px;
  color:#9c7c5d;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2 {
  text-wrap: balance;
}

h1,
h2,
.intro,
.eyebrow,
.text-link {
  position: relative;
  z-index: 101;
}


h1 {

    max-width: 100%;

    margin-bottom: 42px;

    font-family: "Cormorant Garamond", Georgia, serif;

    font-size: clamp(64px, 8.6vw, 138px);

    font-weight: 400;

    line-height: 1.02;

    letter-spacing: -0.03em;

    color:#55585d;

    text-wrap:balance;

    transform: translateY(-90px);
}

h2 {
  margin-bottom: 28px;
  font-family: "Cormorant Garamond", Georgia, serif;
  font-size: clamp(58px, 7.5vw, 118px);
  font-weight: 400;
  line-height: 0.86;
  letter-spacing: -0.04em;
}

.split-heading {
  max-width: 970px;
}

.intro,
.scene-text {
  max-width: 650px;
  margin-bottom: 36px;
  color:#8a7f73;
  font-size: clamp(17px, 1.45vw, 22px);
  font-weight: 300;
  line-height: 1.65;
}

.text-link {

    position: relative;
    display: inline-flex;
    align-items: center;

    padding-bottom: 8px;

    color: #35383c;
  
    font-family: "Cormorant Garamond", Georgia, serif;
    font-size: 18px;
    font-weight: 500;

    letter-spacing: 0.25em;
    text-transform: uppercase;

    transition: color .35s ease;
}

.text-link::after {

    content: "";

    position: absolute;
    left: 0;
    bottom: 0;

    width: 100%;
    height: 1px;

    background: #b38d67;

    transform-origin: left;
    transition: transform .4s ease;

}

.text-link:hover {

    color: #000;

}

.text-link:hover::after {

    transform: scaleX(.45);

}

/* HERO SECTION LINKS */

.hero-section-links {
  position: relative;
  z-index: 101;
  display: flex;
  align-items: center;
  gap: clamp(24px, 3vw, 52px);
  flex-wrap: wrap;

  margin-top: 28px;
  transform: translate(28%, 80px);

}

/* SCROLL INDICATOR */

.scroll-indicator {
  position: absolute;

  right: 20px;
  bottom: 40px;

  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;

  color: var(--soft);
  font-size: 12px;
  text-transform: uppercase;
}

/* samotný text SCROLL */
.scroll-indicator span {
  writing-mode: vertical-rl;
  text-orientation: upright;
  letter-spacing: 0.15em;
  transform: none;
}

/* svislá čára */
.scroll-indicator i {
  position: relative;
  display: block;
  width: 1px;
  height: 58px;
  overflow: hidden;
  background: var(--line);
}

.scroll-indicator i::after {
  content: "";
  position: absolute;
  top: -100%;
  left: 0;
  width: 1px;
  height: 100%;
  background: #fff;
  animation: scrollLine 2.4s ease-in-out infinite;
}

@keyframes scrollLine {
  0% { transform: translateY(0); }
  70%, 100% { transform: translateY(200%); }
}

/* STEPS */

.steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(30px, 5vw, 78px);
  margin-top: clamp(54px, 8vw, 100px);
}

.steps article {
  position: relative;
  padding-top: 26px;
}

.steps article::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 38px;
  height: 1px;
  background: var(--accent);
}

.steps span {
  display: block;
  margin-bottom: 32px;
  color: var(--soft);
  font-size: 12px;
  letter-spacing: 0.14em;
}

.steps h3 {
  margin-bottom: 16px;
  font-size: clamp(22px, 2vw, 30px);
  font-weight: 500;
  letter-spacing: -0.035em;
}

.steps p {
  color: var(--muted);
  font-size: 15px;
  font-weight: 300;
  line-height: 1.7;
}

/* CONTACT */

.contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px 44px;
  margin-top: 40px;
}

.contact-links a {
  position: relative;
  padding-bottom: 7px;
  font-size: clamp(18px, 2vw, 26px);
  font-weight: 400;
}

.contact-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0.35);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.contact-links a:hover::after {
  transform: scaleX(1);
}

.site-footer {
  position: absolute;
  left: var(--page-padding);
  right: var(--page-padding);
  bottom: 30px;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  color: var(--soft);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* REVEAL */

.reveal {
  opacity: 0;
  transform: translateY(46px);
  filter: blur(10px);
  transition:
    opacity 1.15s cubic-bezier(.2,.75,.25,1),
    transform 1.15s cubic-bezier(.2,.75,.25,1),
    filter 1.15s cubic-bezier(.2,.75,.25,1);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
  filter: blur(0);
}

/* MOBILE */

@media (max-width: 820px) {
  :root {
    --page-padding: 22px;
  }

  .site-header {
    padding-top: 22px;
    padding-bottom: 22px;
  }

  .main-nav {
    position: fixed;
    inset: 0;
    z-index: -1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 28px;
    padding: 100px 30px;
    background: rgba(20, 20, 17, 0.94);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s ease, visibility 0.4s ease;
  }

  .main-nav a {
    font-size: 28px;
    font-weight: 400;
    letter-spacing: -0.04em;
  }

  .site-header.menu-open .main-nav {
    opacity: 1;
    visibility: visible;
  }

  .menu-toggle {
    display: block;
  }

  .site-header.menu-open .menu-toggle span:first-child {
    transform: translateY(4px) rotate(45deg);
  }

  .site-header.menu-open .menu-toggle span:last-child {
    transform: translateY(-4px) rotate(-45deg);
  }

  .scene {
    min-height: 100svh;
    align-items: flex-end;
    padding-top: 110px;
    padding-bottom: 90px;
  }

  .scene-right {
    justify-content: flex-start;
  }

  .scene-center {
    text-align: left;
    justify-content: flex-start;
  }

  .scene-hero {
    padding-bottom: 110px;
  }


  .hero-story {
    width: 92%;
    margin-top: 8px;
  }

  .hero-section-links {
    margin-top: 28px;
    transform: none;
  }

  h1 {
    font-size: clamp(58px, 17vw, 86px);
    line-height: 0.86;
    letter-spacing: -0.04em;
  }

  h2 {
    font-size: clamp(54px, 16vw, 80px);
    line-height: 0.88;
    letter-spacing: -0.035em;
  }

  .intro,
  .scene-text {
    max-width: 92%;
    font-size: 16px;
  }

  .scroll-indicator {
    right: 24px;
    bottom: 28px;
  }

  .steps {
    grid-template-columns: 1fr;
    gap: 46px;
    margin-top: 54px;
  }

  .contact-links {
    flex-direction: column;
    align-items: flex-start;
    gap: 22px;
  }

  .site-footer {
    flex-direction: column;
    gap: 8px;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
    filter: none;
  }
}

/* FAQ */
.faq-list {
  width: min(100%, 980px);
  margin-top: 44px;
  border-top: 1px solid rgba(47, 51, 56, .24);
}

.faq-list details {
  border-bottom: 1px solid rgba(47, 51, 56, .24);
}

.faq-list summary {
  position: relative;
  cursor: pointer;
  list-style: none;
  padding: 22px 48px 22px 0;
  font-size: clamp(17px, 1.35vw, 21px);
  color: #2f3338;
}

.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after {
  content: "+";
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 25px;
  font-weight: 300;
}
.faq-list details[open] summary::after { content: "−"; }
.faq-list details p {
  max-width: 760px;
  margin: 0;
  padding: 0 48px 24px 0;
  font-size: 16px;
  line-height: 1.75;
  color: #7f7a72;
}

/* =========================================================
   CONTENT GLASS — obsah vyjíždějící přes úvodní video
   ========================================================= */

.content-glass {
  position: relative;
  z-index: 8;
  width: 100%;
  margin-top: -2vh;
  overflow: hidden;

  background: rgba(238, 242, 244, 0.16);

  -webkit-backdrop-filter: blur(30px) saturate(105%);
  backdrop-filter: blur(30px) saturate(105%);

  border-radius: 36px 36px 0 0;

  box-shadow:
    0 -18px 60px rgba(49, 52, 56, 0.06),
    inset 0 1.5px 0 rgba(255, 255, 255, 0.45);
}

.content-glass::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: transparent;
}

.content-section {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;

  padding:
    clamp(120px, 14vh, 180px)
    var(--page-padding)
    clamp(100px, 13vh, 170px);
}

.content-section + .content-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: var(--page-padding);
  right: var(--page-padding);
  height: 1px;

  background: linear-gradient(
    90deg,
    transparent,
    rgba(70, 72, 74, 0.12) 18%,
    rgba(70, 72, 74, 0.12) 82%,
    transparent
  );
}

.content-inner {
  position: relative;
  z-index: 2;
  width: min(100%, 1040px);
}

.content-inner.wide {
  width: min(100%, 1180px);
}

/* Barvy uvnitř světlého glass panelu */
.content-glass h2 {
  color: #55585d;
}

.content-glass .eyebrow,
.content-glass .section-number {
  color: #9c7c5d;
}

.content-glass .scene-text,
.content-glass .steps p,
.content-glass .principles p,
.content-glass .quiet-note p,
.content-glass .faq-list details p {
  color: #77736e;
}

.content-glass .text-link,
.content-glass .contact-links a {
  color: #3e4044;
}

/* O KRUZÍCH — tři principy jsou podčást jedné kapitoly */
.principles {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(34px, 5vw, 82px);
  margin-top: clamp(62px, 8vw, 110px);
}

.principles article {
  position: relative;
  padding-top: 24px;
}

.principles article::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 36px;
  height: 1px;
  background: #b38d67;
}

.principles span {
  display: block;
  margin-bottom: 28px;
  color: rgba(85, 88, 93, 0.48);
  font-size: 12px;
  letter-spacing: 0.14em;
}

.principles h3 {
  margin-bottom: 16px;
  color: #55585d;
  font-family: "Cormorant Garamond", Georgia, serif;
  font-size: clamp(30px, 3vw, 46px);
  font-weight: 400;
  line-height: 1;
  letter-spacing: -0.035em;
}

.principles p {
  max-width: 320px;
  font-size: 15px;
  line-height: 1.75;
}

/* PRO KOHO + CO KRUH NENÍ */
.quiet-note {
  width: min(100%, 760px);
  margin-top: clamp(58px, 7vw, 90px);
  padding-top: 30px;
  border-top: 1px solid rgba(62, 64, 68, 0.16);
}

.quiet-note .eyebrow {
  margin-bottom: 18px;
}

.quiet-note p:last-child {
  margin-bottom: 0;
  font-size: clamp(16px, 1.3vw, 19px);
  line-height: 1.75;
}

/* KONTAKT */
.content-contact {
  min-height: 110svh;
  padding-bottom: 150px;
}

.content-glass .site-footer {
  color: rgba(62, 64, 68, 0.52);
}

/* Anchor offset, aby kliknutí z hero nepřilepilo titulek úplně na horní hranu */
.content-section {
  scroll-margin-top: 40px;
}

@media (max-width: 820px) {
  .content-glass {
    margin-top: -4vh;
    border-radius: 28px 28px 0 0;
    background: rgba(238, 242, 244, 0.20);

    -webkit-backdrop-filter: blur(24px) saturate(108%);
    backdrop-filter: blur(24px) saturate(108%);
  }

  .content-section {
    min-height: auto;
    padding-top: 105px;
    padding-bottom: 105px;
  }

  .principles {
    grid-template-columns: 1fr;
    gap: 46px;
    margin-top: 58px;
  }

  .principles p {
    max-width: 100%;
  }

  .content-contact {
    min-height: 100svh;
    padding-bottom: 150px;
  }
}

.hero-story {
  position: relative;
  z-index: 101;

  width: min(1500px, 85vw);
  margin: -14px auto 0;

  font-family: "Cormorant Garamond", Georgia, serif;
font-size: clamp(22px, 1.7vw, 30px);
font-weight: 400;
line-height: 1.35;

  color: #484b50;

  text-align: center;
}

.hero-story p {
  margin: 0;
  font: inherit;
  color: inherit;
}