/* ───────────────────────────────────────────────────────────────
   Studio GH — Skin Balance Method
   Design system (plain CSS, žádný build krok)
   Paleta odvozená z #D7B387 (akcent) + #544A4A (ink)
   ─────────────────────────────────────────────────────────────── */

:root {
  --cloud: #faf6f0; /* hlavní krémové pozadí */
  --paper: #f2e9dd; /* druhé pozadí sekcí */
  --sand: #e8dac8; /* hairline linky / borders */
  --stone: #c4b49e; /* placeholdery, dekorace */
  --smoke: #8a7e78; /* sekundární text */
  --ink: #544a4a; /* hlavní text */
  --accent: #d7b387; /* karamel akcent */
  --wine: #6e3b3b; /* vínová — patička, hluboký hover */

  --max-site: 1240px;
  --ease-soft: cubic-bezier(0.22, 1, 0.36, 1);

  --font-display: "Playfair Display", Georgia, serif;
  --font-body: "Jost", system-ui, sans-serif;
}

/* ── Reset ── */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  background: var(--cloud);
  color: var(--ink);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  line-height: 1.5;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

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

/* Jemný papírový grain */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' /%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' /%3E%3C/svg%3E");
}

img {
  max-width: 100%;
  display: block;
}

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

main {
  position: relative;
  z-index: 10;
  flex: 1;
}

/* ───────────────────────────── Helpers ───────────────────────────── */

.container {
  width: 100%;
  max-width: var(--max-site);
  margin-inline: auto;
  padding-inline: 1.5rem;
}
@media (min-width: 768px) {
  .container {
    padding-inline: 3rem;
  }
}

.eyebrow {
  font-family: var(--font-body);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--smoke);
}

.display {
  font-family: var(--font-display);
  letter-spacing: -0.04em;
  line-height: 1.05;
}

.text-accent {
  color: var(--accent);
}
.text-smoke {
  color: var(--smoke);
}
.bg-paper {
  background: var(--paper);
}

.lead {
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--smoke);
}

/* Hairline link s animovaným podtržením */
.link-underline {
  position: relative;
  display: inline-block;
}
.link-underline::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  height: 1px;
  width: 100%;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.5s var(--ease-soft);
}
.link-underline:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

/* ── Tlačítka — zlatá (accent jako „GH") ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  border-radius: 999px;
  background: var(--accent);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 0.875rem;
  padding: 1rem 2rem;
  cursor: pointer;
  border: none;
  transition: background 0.3s, color 0.3s;
}
.btn:hover {
  background: var(--ink);
  color: var(--cloud);
}
.btn-ghost {
  background: transparent;
  border: 1px solid var(--accent);
  color: var(--accent);
}
.btn-ghost:hover {
  background: var(--accent);
  color: var(--ink);
}
.btn-sm {
  padding: 0.625rem 1.5rem;
}

/* ── Section spacing ── */
.section {
  padding-block: 6rem;
}
@media (min-width: 768px) {
  .section {
    padding-block: 9rem;
  }
}
.border-y {
  border-top: 1px solid var(--sand);
  border-bottom: 1px solid var(--sand);
}
.border-t {
  border-top: 1px solid var(--sand);
}

/* ─────────────────────── Scroll reveal ─────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity 1s var(--ease-soft), transform 1s var(--ease-soft);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Fade-up / fade-in pro hero (běží hned po načtení) */
@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(28px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
@keyframes fade-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}
.fade-up {
  opacity: 0;
  animation: fade-up 1s var(--ease-soft) forwards;
}
.fade-in {
  opacity: 0;
  animation: fade-in 1s var(--ease-soft) forwards;
}

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

/* ─────────────────────── Header ─────────────────────── */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  transition: background 0.5s var(--ease-soft);
}
.header.scrolled {
  background: rgba(250, 246, 240, 0.9);
  backdrop-filter: blur(12px);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 1.25rem;
}
@media (min-width: 768px) {
  .header-inner {
    padding-block: 1.5rem;
  }
}
.logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  letter-spacing: -0.04em;
  color: var(--ink);
}
.nav-desktop {
  display: none;
  align-items: center;
  gap: 2rem;
}
@media (min-width: 768px) {
  .nav-desktop {
    display: flex;
  }
}
.nav-link {
  font-family: var(--font-body);
  font-size: 0.875rem;
  letter-spacing: 0.02em;
  color: var(--smoke);
  transition: color 0.3s;
}
.nav-link:hover,
.nav-link.active {
  color: var(--ink);
}
.nav-cta {
  border-radius: 999px;
  background: var(--accent);
  color: var(--ink);
  font-size: 0.875rem;
  padding: 0.625rem 1.5rem;
  transition: background 0.3s, color 0.3s;
}
.nav-cta:hover {
  background: var(--ink);
  color: var(--cloud);
}

/* Mobile toggle */
.nav-toggle {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: 2.5rem;
  width: 2.5rem;
  background: none;
  border: none;
  cursor: pointer;
}
@media (min-width: 768px) {
  .nav-toggle {
    display: none;
  }
}
.nav-toggle span {
  height: 1px;
  width: 1.5rem;
  background: var(--ink);
  transition: transform 0.3s;
}
.nav-toggle.open span:nth-child(1) {
  transform: translateY(3.5px) rotate(45deg);
}
.nav-toggle.open span:nth-child(2) {
  transform: translateY(-3.5px) rotate(-45deg);
}

.nav-mobile {
  overflow: hidden;
  max-height: 0;
  border-top: 1px solid var(--sand);
  background: var(--cloud);
  transition: max-height 0.5s var(--ease-soft);
}
.nav-mobile.open {
  max-height: 540px;
}
.nav-mobile nav {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 1.5rem;
}
.nav-mobile a {
  padding-block: 0.625rem;
  font-family: var(--font-display);
  font-size: 1.5rem;
  letter-spacing: -0.04em;
  color: var(--smoke);
}
.nav-mobile a.active {
  color: var(--ink);
}
.nav-mobile .btn {
  width: fit-content;
  margin-top: 1rem;
  padding: 0.75rem 1.75rem;
}

/* ─────────────────────── Footer ─────────────────────── */
.footer {
  position: relative;
  z-index: 10;
  margin-top: 8rem;
  background: var(--wine);
  color: var(--cloud);
}
.footer-cta {
  border-bottom: 1px solid rgba(250, 246, 240, 0.15);
  padding-bottom: 4rem;
}
.footer-cta h2 {
  margin-top: 1.25rem;
  max-width: 48rem;
  font-family: var(--font-display);
  letter-spacing: -0.04em;
  line-height: 1.05;
  font-size: clamp(2.25rem, 5vw, 3.75rem);
}
.footer-grid {
  margin-top: 4rem;
  display: grid;
  gap: 3rem;
}
@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}
.footer-brand {
  font-family: var(--font-display);
  font-size: 1.5rem;
  letter-spacing: -0.04em;
}
.footer-col-2 {
  grid-column: span 2;
}
.footer h4 {
  font-weight: 400;
}
.footer ul {
  list-style: none;
  margin-top: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.footer-muted {
  color: rgba(250, 246, 240, 0.55);
}
.footer-link {
  font-size: 0.875rem;
  color: rgba(250, 246, 240, 0.7);
}
.footer-link:hover {
  color: var(--cloud);
}
.footer-social {
  margin-top: 1.25rem;
  display: flex;
  gap: 1rem;
}
.footer-social a {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: rgba(250, 246, 240, 0.55);
}
.footer-social a:hover {
  color: var(--cloud);
}
.footer-bottom {
  margin-top: 4rem;
  border-top: 1px solid rgba(250, 246, 240, 0.1);
  padding-top: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-size: 0.75rem;
  color: rgba(250, 246, 240, 0.4);
}
@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}
.footer-legal {
  display: flex;
  gap: 1.25rem;
}

/* ─────────────────────── Placeholder (foto) ─────────────────────── */
.ph {
  position: relative;
  overflow: hidden;
  border-radius: 2px;
  background: var(--sand);
}
.ph.rounded {
  border-radius: 1rem;
}
.ph::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom right,
    rgba(196, 180, 158, 0.4),
    transparent,
    rgba(138, 126, 120, 0.2)
  );
}
.ph-label {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: rgba(138, 126, 120, 0.7);
  z-index: 1;
}
.ph-portrait {
  aspect-ratio: 4 / 5;
}
.ph-landscape {
  aspect-ratio: 3 / 2;
}
.ph-square {
  aspect-ratio: 1 / 1;
}
.ph-tall {
  aspect-ratio: 3 / 4;
}

/* ─────────────────────── Layout grids (homepage) ─────────────────────── */
.grid {
  display: grid;
}
.grid-2 {
  gap: 3rem;
}
@media (min-width: 768px) {
  .grid-2 {
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
  }
}
.col-12 {
  gap: 2.5rem;
}
@media (min-width: 768px) {
  .col-12 {
    grid-template-columns: repeat(12, 1fr);
    gap: 4rem;
  }
}
.span-4 {
  grid-column: span 4;
}
.span-5 {
  grid-column: span 5;
}
.span-6 {
  grid-column: span 6;
}
.span-7-6 {
  grid-column: span 7;
}
@media (min-width: 768px) {
  .span-7-6 {
    grid-column: 6 / span 7;
  }
}
.span-6-7 {
  grid-column: span 6;
}
@media (min-width: 768px) {
  .span-6-7 {
    grid-column: 7 / span 6;
  }
}
.col-center {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

/* ── Hero ── */
.hero {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: calc(100svh - 5.5rem);
  padding-block: 2rem 4rem;
}
.hero h1 {
  margin-top: 1.75rem;
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6.5vw, 5.5rem);
  line-height: 0.98;
  letter-spacing: -0.04em;
}
.hero h1 span {
  display: block;
}
.hero-sub {
  margin-top: 1.5rem;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 1.875rem);
  letter-spacing: -0.04em;
  color: var(--smoke);
}
.hero-emph {
  margin-top: 0.5rem;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 1.875rem);
  letter-spacing: -0.04em;
  color: var(--ink);
}
.hero-body {
  margin-top: 2rem;
  max-width: 28rem;
}
.hero-cta {
  margin-top: 2.5rem;
}

/* ── Headings — zlatý akcent na všech hlavních nadpisech ──
   h1             … hero + page-hero + jednoduché stránky
   .h2            … nadpisy sekcí napříč webem
   .final h2      … velký závěrečný nadpis sekce CTA
   .footer-cta h2 … velký nadpis v patičce
   Podnadpisy uvnitř bloků zůstávají v --ink:
   .cell h3 (karty), .step h3 (kroky), .price-head h3 (ceník),
   .footer h4 (patička), .eyebrow, .closing. */
h1,
.h2,
.final h2,
.footer-cta h2 {
  color: var(--accent);
}

.h2 {
  margin-top: 1.25rem;
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.05;
  letter-spacing: -0.04em;
}
.maxw-2xl {
  max-width: 42rem;
}
.maxw-3xl {
  max-width: 48rem;
}
.maxw-4xl {
  max-width: 56rem;
}

/* ── Stacked paragraphs ── */
.stack {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.mt-6 {
  margin-top: 1.5rem;
}
.mt-8 {
  margin-top: 2rem;
}
.closing {
  margin-top: 2rem;
  font-family: var(--font-display);
  font-size: 1.5rem;
  letter-spacing: -0.04em;
  color: var(--ink);
}

/* ── SBM method ── */
.method-top {
  display: grid;
  gap: 3rem;
}
@media (min-width: 768px) {
  .method-top {
    grid-template-columns: repeat(12, 1fr);
    gap: 4rem;
    align-items: center;
  }
}
.sbm-ring {
  width: 14rem;
  margin-inline: auto;
}
@media (min-width: 768px) {
  .sbm-ring {
    width: 100%;
  }
}
.cell-grid {
  margin-top: 4rem;
  display: grid;
  gap: 1px;
  overflow: hidden;
  border-radius: 2px;
  border: 1px solid var(--sand);
  background: var(--sand);
}
@media (min-width: 768px) {
  .cell-grid.cols-2 {
    grid-template-columns: 1fr 1fr;
  }
}
.cell {
  background: var(--cloud);
  transition: background 0.5s;
}
.cell:hover {
  background: var(--paper);
}
.cell-inner {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  height: 100%;
  padding: 2rem;
}
@media (min-width: 768px) {
  .cell-inner {
    padding: 3rem;
  }
}
.cell-no {
  font-family: var(--font-display);
  font-size: 2.25rem;
  color: var(--accent);
}
.cell h3 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.5vw, 1.875rem);
  letter-spacing: -0.04em;
}
.cell p {
  font-size: 15px;
  line-height: 1.7;
  color: var(--smoke);
}
.method-cta {
  margin-top: 3rem;
  text-align: center;
}

/* ── Specializace (5 karet) ── */
.spec-grid {
  margin-top: 3.5rem;
  display: grid;
  gap: 1px;
  overflow: hidden;
  border-radius: 2px;
  border: 1px solid var(--sand);
  background: var(--sand);
}
@media (min-width: 640px) {
  .spec-grid {
    grid-template-columns: 1fr 1fr;
  }
}
@media (min-width: 1024px) {
  .spec-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
.spec-note {
  display: flex;
  align-items: center;
  height: 100%;
  padding: 2rem;
  font-size: 0.875rem;
  font-style: italic;
  line-height: 1.7;
  color: var(--smoke);
  background: var(--paper);
}

/* ── Proces (timeline) ── */
.process-grid {
  margin-top: 4rem;
  display: grid;
  gap: 3rem;
}
@media (min-width: 768px) {
  .process-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
  }
}
.step-head {
  display: flex;
  align-items: center;
  gap: 1rem;
}
.step-num {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 3rem;
  width: 3rem;
  flex: none;
  border-radius: 999px;
  border: 1px solid var(--accent);
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--accent);
}
.step-line {
  height: 1px;
  flex: 1;
  background: var(--sand);
}
.step h3 {
  margin-top: 0.5rem;
  font-family: var(--font-display);
  font-size: 1.5rem;
  letter-spacing: -0.04em;
}
.step p {
  margin-top: 1rem;
  font-size: 15px;
  line-height: 1.7;
  color: var(--smoke);
}

/* ── Reference ── */
.tst-grid {
  margin-top: 3.5rem;
  display: grid;
  gap: 2rem;
}
@media (min-width: 768px) {
  .tst-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
.tst {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 100%;
  border-radius: 2px;
  border: 1px solid var(--sand);
  background: var(--cloud);
  padding: 2rem;
}
@media (min-width: 768px) {
  .tst {
    padding: 2.5rem;
  }
}
.tst blockquote {
  font-family: var(--font-display);
  font-size: 1.25rem;
  line-height: 1.4;
  letter-spacing: -0.04em;
  color: var(--ink);
}
.tst figcaption {
  margin-top: 2rem;
}

/* ── Lead magnet ── */
.lead-box {
  overflow: hidden;
  border-radius: 2px;
  border: 1px solid var(--sand);
  background: var(--paper);
}
.lead-inner {
  display: grid;
  gap: 2.5rem;
  padding: 2rem;
}
@media (min-width: 768px) {
  .lead-inner {
    grid-template-columns: 1fr 1fr;
    align-items: center;
    padding: 4rem;
  }
}
.field {
  width: 100%;
  border-radius: 2px;
  border: 1px solid var(--sand);
  background: var(--cloud);
  padding: 0.875rem 1rem;
  font-family: var(--font-body);
  font-size: 0.875rem;
  color: var(--ink);
  outline: none;
  transition: border-color 0.3s;
}
.field::placeholder {
  color: rgba(138, 126, 120, 0.6);
}
.field:focus {
  border-color: var(--ink);
}
.form-grid {
  display: grid;
  gap: 1rem;
}
.form-grid-2 {
  display: grid;
  gap: 1rem;
}
@media (min-width: 768px) {
  .form-grid-2 {
    grid-template-columns: 1fr 1fr;
  }
}
.fineprint {
  font-size: 0.75rem;
  line-height: 1.6;
  color: rgba(138, 126, 120, 0.7);
}
.field-min {
  min-height: 110px;
  resize: none;
}

/* ── Final CTA ── */
.final {
  max-width: 56rem;
  margin-inline: auto;
  text-align: center;
  padding-block: 1rem 2rem;
}
@media (min-width: 768px) {
  .final {
    padding-bottom: 4rem;
  }
}
.final h2 {
  font-family: var(--font-display);
  font-size: clamp(1.875rem, 4vw, 2.75rem);
  line-height: 1.15;
  letter-spacing: -0.04em;
}

/* ── 404 / jednoduché stránky ── */
.simple {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 70vh;
  text-align: center;
  padding-block: 6rem;
}
.simple h1 {
  margin-top: 1.5rem;
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 9vw, 6rem);
  line-height: 0.9;
  letter-spacing: -0.04em;
}
.simple p {
  margin-top: 1.5rem;
  max-width: 32rem;
}

/* ── Page hero (vnitřní stránky) ── */
.page-hero {
  padding-block: 5rem 4rem;
}
@media (min-width: 768px) {
  .page-hero {
    padding-block: 8rem 6rem;
  }
}
.page-hero h1 {
  margin-top: 1.5rem;
  max-width: 56rem;
  font-family: var(--font-display);
  font-size: clamp(2.75rem, 7vw, 6rem);
  line-height: 0.98;
  letter-spacing: -0.04em;
}
.page-hero p {
  margin-top: 2rem;
  max-width: 36rem;
}

/* utilita */
.center {
  text-align: center;
}
.mt-14 {
  margin-top: 3.5rem;
}
.italic {
  font-style: italic;
}

/* ── Cookie consent lišta ── */
.cookie-bar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 90;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 1rem 2.5rem;
  padding: 1.25rem 1.5rem;
  background: var(--cloud);
  border-top: 1px solid var(--sand);
  box-shadow: 0 -12px 32px rgba(84, 74, 74, 0.08);
  opacity: 0;
  transform: translateY(100%);
  transition: opacity 0.45s var(--ease-soft), transform 0.45s var(--ease-soft);
}
.cookie-bar.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.cookie-bar-text {
  max-width: 34rem;
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--smoke);
}
.cookie-bar-text a {
  color: var(--ink);
}
.cookie-bar-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}