/* ==========================================================================
   Bialešová s.r.o. — hlavní stylopis
   ========================================================================== */

:root {
  --color-dark: #0b0b1f;
  --color-bg: #ffffff;
  --color-bg-alt: #f4f4f4;
  --color-accent: #cc443e;
  --color-accent-hover: #b23833;
  --color-accent-text: #f8f9fa;
  --color-footer-bg: #1c1c1c;
  --color-border: #dddddd;
  --font-heading: "Libre Baskerville", Georgia, "Times New Roman", serif;
  --font-body: "Roboto", "Segoe UI", system-ui, -apple-system, sans-serif;
  --container-width: 1200px;
  --transition-fast: 180ms ease;
  --transition-medium: 400ms ease;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-dark);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

h1, h2, h3 {
  font-family: var(--font-heading);
  font-weight: 400;
  line-height: 1.15;
  margin: 0 0 0.5em;
}

h1 { font-size: clamp(2.4rem, 5vw, 4rem); }
h2 { font-size: clamp(1.9rem, 4vw, 3rem); }
h3 { font-size: 1.25rem; }

p { margin: 0 0 1em; }

.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--color-accent);
  color: #fff;
  padding: 12px 20px;
  z-index: 1000;
}
.skip-link:focus {
  left: 12px;
  top: 12px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 14px 26px;
  border: none;
  cursor: pointer;
  transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}
.btn:hover, .btn:focus-visible { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--color-dark);
  color: #fff;
}
.btn-primary:hover { background: #000; }

.btn-accent {
  background: var(--color-accent);
  color: var(--color-accent-text);
}
.btn-accent:hover { background: var(--color-accent-hover); }

.btn-outline {
  background: transparent;
  border: 2px solid var(--color-dark);
  color: var(--color-dark);
}
.btn-outline:hover { background: var(--color-dark); color: #fff; }

.btn img { width: 16px; height: 16px; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid rgba(11, 11, 31, 0.06);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
  gap: 24px;
}

.nav__logo img {
  height: 36px;
  width: auto;
}

.nav__links {
  display: flex;
  gap: 32px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav__links a {
  font-size: 0.95rem;
  font-weight: 500;
  padding-bottom: 4px;
  border-bottom: 2px solid transparent;
  transition: border-color var(--transition-fast), color var(--transition-fast);
}

.nav__links a:hover,
.nav__links a[aria-current="page"] {
  border-bottom-color: var(--color-accent);
}

.nav__contact {
  display: flex;
  gap: 28px;
  font-size: 0.9rem;
  white-space: nowrap;
}

.nav__contact .label {
  color: #767689;
  margin-right: 6px;
}

.nav__contact strong {
  font-weight: 700;
}

.nav__contact a {
  color: inherit;
  transition: color var(--transition-fast);
}

.nav__contact a:hover,
.nav__contact a:focus-visible {
  color: var(--color-accent);
}

.nav__contact a:hover strong,
.nav__contact a:focus-visible strong {
  text-decoration: underline;
}

.nav__toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav__toggle span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--color-dark);
  margin: 5px 0;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

@media (max-width: 900px) {
  .nav__contact { display: none; }
  .nav__links {
    position: fixed;
    inset: 72px 0 0 0;
    z-index: 200;
    background: #fff;
    flex-direction: column;
    padding: 32px 24px;
    gap: 20px;
    overflow-y: auto;
    box-shadow: 0 12px 24px rgba(11, 11, 31, 0.08);
    transform: translateY(-110%);
    transition: transform var(--transition-medium);
  }
  .nav__links.is-open { transform: translateY(0); }
  .nav__toggle { display: block; }
  .nav.is-open .nav__toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav.is-open .nav__toggle span:nth-child(2) { opacity: 0; }
  .nav.is-open .nav__toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
}

/* ---------- Hero ---------- */
.hero {
  background: var(--color-bg-alt);
  overflow: hidden;
}

.hero .container {
  display: grid;
  grid-template-columns: 380px 1fr;
  align-items: center;
  gap: 40px;
  padding-top: 40px;
  padding-bottom: 40px;
  min-height: 560px;
}

.hero__image img {
  max-width: 340px;
  margin: 0 auto;
}

.hero__content p {
  font-size: 1.1rem;
  max-width: 640px;
  color: #33334a;
}

@media (max-width: 800px) {
  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
    padding-top: 24px;
  }
  .hero__content p { margin-left: auto; margin-right: auto; }
  .hero__content .btn { margin: 0 auto; }
}

/* ---------- Story section ---------- */
.story {
  padding: 100px 0 60px;
  text-align: center;
}

.story__illustration img {
  max-width: 380px;
  margin: 0 auto 40px;
}

.story__text {
  max-width: 760px;
  margin: 0 auto;
  text-align: left;
}

.story__text h2 { text-align: center; }

.story__cta {
  text-align: center;
  margin-top: 32px;
}

/* ---------- Quotes carousel ---------- */
.quotes {
  padding: 40px 0 100px;
  text-align: center;
}

.quotes__track {
  position: relative;
  max-width: 760px;
  margin: 0 auto;
  min-height: 110px;
}

.quote {
  position: absolute;
  inset: 0;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 500ms ease, transform 500ms ease;
  pointer-events: none;
}

.quote.is-active {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
  position: relative;
}

.quote p {
  font-size: 1.35rem;
  font-style: italic;
  font-family: var(--font-heading);
}

.quote cite {
  display: block;
  font-style: normal;
  color: #767689;
  margin-top: 8px;
}

.quotes__dots {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 28px;
}

.quotes__dots button {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: none;
  background: var(--color-border);
  cursor: pointer;
  padding: 0;
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.quotes__dots button.is-active {
  background: var(--color-dark);
  transform: scale(1.2);
}

/* ---------- Services ---------- */
.services {
  background: var(--color-bg-alt);
  padding: 90px 0;
}

.services__intro {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 56px;
}

.services__intro h2 {
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 1.1rem;
  font-family: var(--font-body);
  font-weight: 700;
  color: #767689;
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
}

.service-card {
  background: #fff;
  padding: 48px;
  text-align: center;
  transition: background var(--transition-medium);
}

.service-card:hover {
  background: #fff9f8;
}

.service-card img {
  height: 90px;
  width: auto;
  margin: 0 auto 24px;
}

.service-card h3 {
  margin-bottom: 12px;
}

.service-card p {
  color: #4a4a5c;
  font-size: 0.95rem;
}

@media (max-width: 700px) {
  .services__grid { grid-template-columns: 1fr; }
}

/* ---------- Partners ---------- */
.partners {
  padding: 90px 0;
  text-align: center;
}

.partners__intro {
  max-width: 560px;
  margin: 0 auto 48px;
  color: #4a4a5c;
}

.partners__logos {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 64px;
  flex-wrap: wrap;
}

.partners__logos img {
  height: 44px;
  width: auto;
  filter: grayscale(1);
  opacity: 0.75;
  transition: filter var(--transition-medium), opacity var(--transition-medium);
}

.partners__logos img:hover {
  filter: grayscale(0);
  opacity: 1;
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-footer-bg);
  color: #ededf2;
  padding: 80px 0 0;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr 1.2fr;
  gap: 40px;
}

.footer__brand img {
  width: 100%;
  max-width: 220px;
  opacity: 0.9;
}

.footer h4 {
  font-family: var(--font-body);
  text-transform: uppercase;
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  color: #9c9cae;
  margin-bottom: 20px;
}

.footer__links {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer__links li {
  margin-bottom: 12px;
}

.footer__links a {
  color: #d6d6e0;
  transition: color var(--transition-fast);
}

.footer__links a:hover { color: #fff; }

.footer__address p { margin-bottom: 4px; color: #d6d6e0; }

.footer__contact-item { margin-top: 16px; font-size: 0.9rem; }
.footer__contact-item .label { color: #9c9cae; margin-right: 6px; }
.footer__contact-item strong { color: #fff; }

.footer__cta {
  margin-top: 20px;
}

.footer__bottom {
  margin-top: 64px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.85rem;
  color: #9c9cae;
}

.footer__bottom a { color: #9c9cae; }
.footer__bottom a:hover { color: #fff; }

@media (max-width: 800px) {
  .footer__grid { grid-template-columns: 1fr; }
}

/* ---------- Contact page ---------- */
.page-hero {
  background: var(--color-bg-alt);
  padding: 64px 0;
  text-align: center;
}

.page-hero p {
  max-width: 640px;
  margin: 0 auto;
  color: #4a4a5c;
}

.contact-layout {
  padding: 90px 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
}

@media (max-width: 900px) {
  .contact-layout { grid-template-columns: 1fr; padding: 56px 0; }
}

.contact-info h2 { margin-bottom: 24px; }

.contact-info__item {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
  align-items: flex-start;
}

.contact-info__item .icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.1rem;
}

.contact-info__item strong { display: block; margin-bottom: 2px; }

.contact-info__item a {
  transition: color var(--transition-fast);
}
.contact-info__item a:hover,
.contact-info__item a:focus-visible {
  color: var(--color-accent);
  text-decoration: underline;
}

.contact-map {
  margin-top: 32px;
  border: 1px solid var(--color-border);
  overflow: hidden;
}

.contact-map iframe {
  width: 100%;
  height: 280px;
  border: 0;
  display: block;
}

/* ---------- Form ---------- */
.form-field {
  margin-bottom: 20px;
}

.form-field label {
  display: block;
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.form-field input,
.form-field textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--color-border);
  background: #fff;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--color-dark);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-field input:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(204, 68, 62, 0.15);
}

.form-field textarea { resize: vertical; min-height: 140px; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

@media (max-width: 560px) {
  .form-row { grid-template-columns: 1fr; }
}

.form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 24px;
  font-size: 0.9rem;
}

.form-checkbox input {
  margin-top: 3px;
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.form-checkbox a {
  text-decoration: underline;
  transition: color var(--transition-fast);
}
.form-checkbox a:hover { color: var(--color-accent); }

/* Honeypot — hidden from real users, visible to bots that fill everything in */
.form-hp {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form-status {
  margin-top: 20px;
  padding: 14px 18px;
  font-size: 0.9rem;
  display: none;
}

.form-status.is-visible { display: block; }
.form-status.is-success { background: #e8f5e9; color: #1b5e20; }
.form-status.is-error { background: #fdecea; color: #b3261e; }

.form-field.has-error input,
.form-field.has-error textarea {
  border-color: #b3261e;
}

.field-error {
  color: #b3261e;
  font-size: 0.82rem;
  margin-top: 6px;
  display: none;
}

.form-field.has-error .field-error { display: block; }

button[type="submit"] {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

button[type="submit"]:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.spinner {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.4);
  border-top-color: #fff;
  border-radius: 50%;
  display: none;
  animation: spin 700ms linear infinite;
}

button[type="submit"].is-loading .spinner { display: inline-block; }
button[type="submit"].is-loading .btn-label { opacity: 0.7; }

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ---------- Cookie lišta ---------- */
.cookie-banner {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 500;
  background: var(--color-dark);
  color: #f1f1f5;
  padding: 20px 24px;
  box-shadow: 0 -8px 24px rgba(0, 0, 0, 0.15);
  animation: cookie-fade-in 400ms ease both;
}

@keyframes cookie-fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

.cookie-banner__inner {
  max-width: var(--container-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.cookie-banner__text {
  margin: 0;
  font-size: 0.9rem;
  color: #d6d6e0;
  max-width: 640px;
}

.cookie-banner__text a {
  color: #fff;
  text-decoration: underline;
}

.cookie-banner__actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.cookie-banner .btn-outline {
  border-color: rgba(255, 255, 255, 0.4);
  color: #fff;
}
.cookie-banner .btn-outline:hover {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
}

@media (max-width: 640px) {
  .cookie-banner__inner { flex-direction: column; align-items: flex-start; }
  .cookie-banner__actions { width: 100%; }
  .cookie-banner__actions .btn { flex: 1; justify-content: center; }
}

/* ---------- Cookie modal (podrobné nastavení) ---------- */
.cookie-modal {
  position: fixed;
  inset: 0;
  z-index: 600;
  background: rgba(11, 11, 31, 0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.cookie-modal__panel {
  background: #fff;
  max-width: 480px;
  width: 100%;
  padding: 32px;
  max-height: 90vh;
  overflow-y: auto;
}

.cookie-modal__panel h2 { margin-bottom: 12px; }
.cookie-modal__panel > p { color: #4a4a5c; font-size: 0.9rem; }

.cookie-modal__item {
  border-top: 1px solid var(--color-border);
  padding: 18px 0;
}

.cookie-toggle {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  cursor: pointer;
  position: relative;
}

.cookie-toggle input {
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
}

.cookie-toggle__track {
  position: relative;
  flex-shrink: 0;
  width: 42px;
  height: 24px;
  border-radius: 999px;
  background: var(--color-border);
  transition: background var(--transition-fast);
  margin-top: 2px;
}
.cookie-toggle__track::before {
  content: "";
  position: absolute;
  top: 3px;
  left: 3px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #fff;
  transition: transform var(--transition-fast);
}
.cookie-toggle input:checked + .cookie-toggle__track {
  background: var(--color-accent);
}
.cookie-toggle input:checked + .cookie-toggle__track::before {
  transform: translateX(18px);
}
.cookie-toggle input:disabled + .cookie-toggle__track {
  background: #9c9cae;
  opacity: 0.6;
}
.cookie-toggle input:focus-visible + .cookie-toggle__track {
  box-shadow: 0 0 0 3px rgba(204, 68, 62, 0.25);
}

.cookie-toggle__label {
  font-size: 0.9rem;
  color: #33334a;
}
.cookie-toggle__label strong { color: var(--color-dark); }

.cookie-modal__actions {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  margin-top: 20px;
}

.footer__cookie-link {
  background: none;
  border: none;
  padding: 0;
  font: inherit;
  font-size: 0.85rem;
  color: #9c9cae;
  cursor: pointer;
  transition: color var(--transition-fast);
}
.footer__cookie-link:hover { color: #fff; }

/* ---------- Utility helpers (kept out of inline styles for strict CSP) ---------- */
.u-tight-top { padding-top: 0; }
.u-center { text-align: center; }
.u-plain-bottom { border-top: none; margin-top: 0; }
.legal-page { padding: 80px 24px; max-width: 800px; }

/* ---------- Thank you page ---------- */
.thankyou {
  padding: 140px 0;
  text-align: center;
}

.thankyou__icon {
  width: 84px;
  height: 84px;
  border-radius: 50%;
  background: var(--color-bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 32px;
  font-size: 2.4rem;
  color: var(--color-accent);
}

/* ==========================================================================
   Scroll-reveal animations for section loading
   ========================================================================== */

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 700ms cubic-bezier(0.22, 1, 0.36, 1),
              transform 700ms cubic-bezier(0.22, 1, 0.36, 1);
  will-change: opacity, transform;
}

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

.reveal-stagger > * {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 600ms ease, transform 600ms ease;
}

.reveal-stagger.is-visible > * {
  opacity: 1;
  transform: translateY(0);
}

.reveal-stagger.is-visible > *:nth-child(1) { transition-delay: 0ms; }
.reveal-stagger.is-visible > *:nth-child(2) { transition-delay: 90ms; }
.reveal-stagger.is-visible > *:nth-child(3) { transition-delay: 180ms; }
.reveal-stagger.is-visible > *:nth-child(4) { transition-delay: 270ms; }

.reveal-fade {
  opacity: 0;
  transition: opacity 900ms ease;
}
.reveal-fade.is-visible { opacity: 1; }

.reveal-scale {
  opacity: 0;
  transform: scale(0.96);
  transition: opacity 700ms ease, transform 700ms ease;
}
.reveal-scale.is-visible {
  opacity: 1;
  transform: scale(1);
}

/* Header entrance (runs once on load, not scroll-triggered).
   Intentionally opacity-only: a `transform` animation on .site-header would
   make it the containing block for its position:fixed mobile nav panel
   (.nav__links), breaking the mobile menu even after the animation ends
   (animation-fill-mode keeps the computed transform applied). */
.site-header {
  animation: header-drop 500ms ease both;
}

@keyframes header-drop {
  from { opacity: 0; }
  to { opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal, .reveal-stagger > *, .reveal-fade, .reveal-scale, .site-header, .quote {
    transition: none !important;
    animation: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
}