/* ============================================
   Danka Světlíková — biofeedbackdanka.cz
   ============================================ */

/* --- Custom Properties --- */
:root {
  --color-burgundy: #7B1040;
  --color-burgundy-dark: #5C0C30;
  --color-pink-light: #F5E0E8;
  --color-pink-bg: #FDF5F8;
  --color-green: #5B8C3E;
  --color-cream: #FFF9F5;
  --color-white: #FFFFFF;
  --color-text: #3A3A3A;
  --color-text-light: #6B6B6B;

  --font-heading: 'Cormorant Garamond', 'Georgia', serif;
  --font-body: 'Nunito Sans', 'Helvetica Neue', sans-serif;

  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;

  --max-width: 1100px;
  --nav-height: 64px;

  --transition-fast: 0.2s ease;
  --transition-medium: 0.4s ease;
  --transition-slow: 0.8s ease;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-height);
}

body {
  font-family: var(--font-body);
  font-weight: 300;
  color: var(--color-text);
  line-height: 1.7;
  background: var(--color-white);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--color-burgundy);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-burgundy-dark);
}

a:focus-visible {
  outline: 2px solid var(--color-burgundy);
  outline-offset: 2px;
  border-radius: 2px;
}

ul {
  list-style: none;
}

/* --- Layout --- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-sm);
}

/* --- Skip Link --- */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-sm);
  background: var(--color-burgundy);
  color: var(--color-white);
  padding: var(--space-xs) var(--space-sm);
  border-radius: 0 0 4px 4px;
  z-index: 1000;
  font-size: 0.875rem;
}

.skip-link:focus {
  top: 0;
}

/* --- Section Headings --- */
.section-heading {
  font-family: var(--font-heading);
  font-weight: 500;
  font-variant: small-caps;
  letter-spacing: 0.05em;
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  color: var(--color-burgundy);
  text-align: center;
  margin-bottom: var(--space-lg);
  position: relative;
}

.section-heading::after {
  content: '';
  display: block;
  width: 60px;
  height: 2px;
  background: var(--color-burgundy);
  margin: var(--space-sm) auto 0;
}

/* ============================================
   Navigation
   ============================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 100;
  transition: box-shadow var(--transition-fast);
}

.nav--scrolled {
  box-shadow: 0 1px 12px rgba(0, 0, 0, 0.08);
}

.nav__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-sm);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo img {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
}

.nav__links {
  display: flex;
  gap: var(--space-md);
}

.nav__links a {
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 1.05rem;
  letter-spacing: 0.03em;
  color: var(--color-text);
  padding: var(--space-xs) 0;
  position: relative;
}

.nav__links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-burgundy);
  transition: width var(--transition-fast);
}

.nav__links a:hover::after,
.nav__links a.active::after {
  width: 100%;
}

.nav__links a.active {
  color: var(--color-burgundy);
}

/* Hamburger */
.nav__hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  z-index: 110;
}

.nav__hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all var(--transition-fast);
  transform-origin: center;
}

.nav__hamburger[aria-expanded="true"] span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav__hamburger[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav__hamburger[aria-expanded="true"] span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ============================================
   Hero
   ============================================ */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: calc(var(--nav-height) + var(--space-md)) var(--space-sm) var(--space-md);
  background: linear-gradient(
    180deg,
    var(--color-cream) 0%,
    var(--color-pink-light) 60%,
    rgba(180, 175, 210, 0.12) 100%
  );
  text-align: center;
  position: relative;
}

.hero__content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
}

.hero__logo {
  width: 180px;
  height: auto;
}

.hero__name {
  font-family: var(--font-heading);
  font-weight: 500;
  font-variant: small-caps;
  letter-spacing: 0.08em;
  font-size: clamp(2rem, 5vw, 3.5rem);
  color: var(--color-burgundy);
  margin-top: var(--space-sm);
}

.hero__tagline {
  font-family: var(--font-heading);
  font-weight: 400;
  font-style: italic;
  font-size: clamp(1.1rem, 2.5vw, 1.5rem);
  color: var(--color-text-light);
  letter-spacing: 0.02em;
}

.hero__scroll {
  position: absolute;
  bottom: var(--space-md);
  color: var(--color-burgundy);
  animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(8px); }
}

/* ============================================
   About
   ============================================ */
.about {
  padding: var(--space-xl) 0;
  background: var(--color-white);
}

.about__content {
  max-width: 720px;
  margin: 0 auto;
}

.about__text p {
  margin-bottom: var(--space-sm);
  font-size: 1.05rem;
}

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

/* ============================================
   Services
   ============================================ */
.services {
  padding: var(--space-xl) 0;
  background: var(--color-pink-bg);
}

.services__grid {
  display: grid;
  gap: var(--space-md);
}

.service-card {
  background: var(--color-white);
  border-radius: 12px;
  padding: var(--space-md);
  box-shadow: 0 2px 20px rgba(123, 16, 64, 0.06);
  transition: box-shadow var(--transition-medium);
}

.service-card:hover {
  box-shadow: 0 4px 32px rgba(123, 16, 64, 0.1);
}

.service-card__icon {
  color: var(--color-burgundy);
  margin-bottom: var(--space-sm);
}

.service-card h3 {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  color: var(--color-burgundy);
  margin-bottom: var(--space-xs);
}

.service-card__desc {
  color: var(--color-text-light);
  margin-bottom: var(--space-md);
  font-size: 0.95rem;
  line-height: 1.8;
}

/* Price Table */
.price-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.price-table thead {
  border-bottom: 2px solid var(--color-pink-light);
}

.price-table th {
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--color-burgundy);
  text-align: left;
  padding: var(--space-xs) var(--space-xs) var(--space-xs) 0;
}

.price-table th:last-child,
.price-table td:last-child {
  text-align: right;
}

.price-table td {
  padding: var(--space-xs) var(--space-xs) var(--space-xs) 0;
  border-bottom: 1px solid #f0e4ea;
}

.price-table tbody tr:last-child td {
  border-bottom: none;
}

.price-table tbody tr {
  transition: background var(--transition-fast);
}

.price-table tbody tr:hover {
  background: var(--color-pink-bg);
}

/* ============================================
   Gallery
   ============================================ */
.gallery {
  padding: var(--space-xl) 0;
  background: var(--color-white);
}

.gallery__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-sm);
}

.gallery__item {
  overflow: hidden;
  border-radius: 10px;
}

/* Placeholder style — replace with actual images */
.gallery__placeholder {
  aspect-ratio: 4 / 3;
  background: linear-gradient(135deg, var(--color-pink-light) 0%, var(--color-cream) 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  color: var(--color-burgundy);
  opacity: 0.7;
  transition: opacity var(--transition-fast);
}

.gallery__placeholder:hover {
  opacity: 1;
}

.gallery__placeholder span {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-style: italic;
}

/* When real images are added, use this class */
.gallery__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 4 / 3;
  transition: transform var(--transition-medium);
}

.gallery__item:hover img {
  transform: scale(1.04);
}

/* ============================================
   FAQ
   ============================================ */
.faq {
  padding: var(--space-xl) 0;
  background: var(--color-pink-bg);
}

.faq__list {
  max-width: 760px;
  margin: 0 auto;
}

.faq__item {
  border-bottom: 1px solid var(--color-pink-light);
}

.faq__item:last-child {
  border-bottom: none;
}

.faq__question {
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 1.15rem;
  color: var(--color-text);
  padding: var(--space-sm) 0;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  transition: color var(--transition-fast);
}

.faq__question:hover {
  color: var(--color-burgundy);
}

/* Custom arrow */
.faq__question::after {
  content: '+';
  font-size: 1.5rem;
  font-weight: 300;
  color: var(--color-burgundy);
  flex-shrink: 0;
  transition: transform var(--transition-fast);
}

.faq__item[open] .faq__question::after {
  content: '−';
}

/* Remove default marker */
.faq__question::-webkit-details-marker {
  display: none;
}

.faq__answer {
  padding: 0 0 var(--space-sm) 0;
  color: var(--color-text-light);
  line-height: 1.8;
  font-size: 0.95rem;
}

/* ============================================
   Gift Vouchers
   ============================================ */
.vouchers {
  padding: var(--space-xl) 0;
  background: var(--color-white);
}

.vouchers__content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-lg);
}

.vouchers__text {
  max-width: 600px;
}

.vouchers__text > p {
  color: var(--color-text-light);
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: var(--space-md);
}

.vouchers__features {
  list-style: none;
  margin-bottom: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.vouchers__features li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-xs);
  font-size: 0.95rem;
  color: var(--color-text);
}

.vouchers__features svg {
  color: var(--color-green);
  flex-shrink: 0;
  margin-top: 2px;
}

.vouchers__cta {
  font-family: var(--font-heading);
  font-style: italic;
  color: var(--color-text-light);
  margin-bottom: var(--space-xs);
}

.vouchers__phone {
  display: inline-block;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.3rem;
  color: var(--color-burgundy);
  padding: var(--space-xs) var(--space-sm);
  border: 2px solid var(--color-burgundy);
  border-radius: 8px;
  transition: all var(--transition-fast);
}

.vouchers__phone:hover {
  background: var(--color-burgundy);
  color: var(--color-white);
}

/* Voucher image */
.voucher-image {
  max-width: 420px;
  width: 100%;
  border-radius: 12px;
  box-shadow: 0 8px 32px rgba(123, 16, 64, 0.1);
}

/* ============================================
   Contact
   ============================================ */
.contact {
  padding: var(--space-xl) 0;
  background: var(--color-white);
  text-align: center;
}

.contact__content {
  max-width: 500px;
  margin: 0 auto;
}

.contact__cta {
  font-family: var(--font-heading);
  font-weight: 400;
  font-style: italic;
  font-size: 1.2rem;
  color: var(--color-text-light);
  margin-bottom: var(--space-sm);
}

.contact__phone {
  display: inline-block;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: clamp(1.5rem, 4vw, 2.2rem);
  color: var(--color-burgundy);
  letter-spacing: 0.03em;
  padding: var(--space-xs) var(--space-md);
  border: 2px solid var(--color-burgundy);
  border-radius: 8px;
  margin-bottom: var(--space-md);
  transition: all var(--transition-fast);
}

.contact__phone:hover {
  background: var(--color-burgundy);
  color: var(--color-white);
}

.contact__address {
  font-style: normal;
  color: var(--color-text-light);
  line-height: 1.8;
}

.contact__map {
  margin-top: var(--space-lg);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 2px 20px rgba(123, 16, 64, 0.06);
}

.contact__map iframe {
  width: 100%;
  height: 320px;
  display: block;
}

/* ============================================
   Footer
   ============================================ */
.footer {
  background: var(--color-burgundy);
  color: rgba(255, 255, 255, 0.85);
  padding: var(--space-lg) 0 var(--space-md);
  text-align: center;
}

.footer .container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
}

.footer__logo {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
  opacity: 0.9;
  margin-bottom: var(--space-xs);
}

.footer__name {
  font-family: var(--font-heading);
  font-weight: 500;
  font-variant: small-caps;
  letter-spacing: 0.05em;
  font-size: 1.2rem;
  color: var(--color-white);
}

.footer__tagline {
  font-family: var(--font-heading);
  font-style: italic;
  font-size: 0.95rem;
  opacity: 0.8;
}

.footer__phone {
  color: var(--color-white);
  font-weight: 400;
  font-size: 1rem;
  margin-top: var(--space-xs);
}

.footer__phone:hover {
  color: var(--color-pink-light);
}

.footer__copy {
  font-size: 0.8rem;
  opacity: 0.6;
  margin-top: var(--space-sm);
}

/* ============================================
   Scroll Reveal Animations
   ============================================ */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   Responsive
   ============================================ */

/* Mobile — nav hamburger visible */
@media (max-width: 599px) {
  .nav__links {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: var(--color-white);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-medium), visibility var(--transition-medium);
    z-index: 105;
  }

  .nav__links.nav--open {
    opacity: 1;
    visibility: visible;
  }

  .nav__links a {
    font-size: 1.5rem;
  }

  .nav__hamburger {
    display: flex;
  }
}

/* Tablet+ */
@media (min-width: 600px) {
  .container {
    padding: 0 var(--space-md);
  }

  .services__grid {
    grid-template-columns: 1fr 1fr;
  }

  .hero__logo {
    width: 220px;
    height: auto;
  }

  .gallery__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .vouchers__content {
    flex-direction: row;
    align-items: flex-start;
  }

  .vouchers__text {
    flex: 1;
  }

  .contact__map iframe {
    height: 400px;
  }
}

/* Desktop */
@media (min-width: 900px) {
  .container {
    padding: 0 var(--space-lg);
  }

  .hero__logo {
    width: 250px;
    height: auto;
  }

  .about__text {
    font-size: 1.1rem;
  }
}

/* Large desktop */
@media (min-width: 1200px) {
  .services__grid {
    gap: var(--space-lg);
  }
}

/* ============================================
   Reduced Motion
   ============================================ */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

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