/* ================================================================
   MEDI-DENT · layout.css
   Kontenery, nawigacja, hero, layouty sekcji, stopka
   ================================================================ */

/* ── KONTENER ───────────────────────────────────────────────────── */

.container {
  max-width:      var(--container-max);
  margin-inline:  auto;
  padding-inline: var(--container-px);
}

.container--narrow {
  max-width: 720px;
}

/* ── SEKCJE ─────────────────────────────────────────────────────── */

.section {
  padding-block: var(--section-py);
}

.section--alt {
  background: var(--color-bg);
}

.section--dark {
  background: var(--color-navy);
  color:      var(--color-white);
}

.section--warm {
  background: var(--color-bg-warm);
}

/* ── NAWIGACJA ──────────────────────────────────────────────────── */

/*
  STANY BELKI — wszystkie strony:
  .nav (bez is-scrolled) → przezroczyste tło, ciemne teksty
  .nav.is-scrolled       → granatowe tło, białe teksty
  .nav.is-open           → jasne tło (bg-warm), ciemne teksty
  JS dodaje is-scrolled po przewinięciu > 40px na każdej stronie.
*/

.nav {
  position:        fixed;
  top:             0;
  left:            0;
  width:           100%;
  height:          72px;
  z-index:         100;
  background:      transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  box-shadow:      none;
  transition:      background  0.45s var(--ease-out),
                   box-shadow  0.45s var(--ease-out);
}

.nav.is-scrolled {
  background: var(--color-navy);
  box-shadow: none;
}

/* Menu otwarte — jasne tło niezależnie od is-scrolled */
.nav.is-open {
  background: var(--color-bg-warm);
}

.nav__inner {
  display:         flex;
  align-items:     center;
  justify-content: space-between;
  max-width:       var(--container-max);
  margin-inline:   auto;
  padding-inline:  var(--container-px);
  height:          100%;
  gap:             var(--space-8);
}

/* Logo */

.nav__logo {
  display:        flex;
  flex-direction: column;
  gap:            2px;
  text-decoration: none;
}

.nav__logo-name {
  font-family:    var(--font-display);
  font-size:      1.2rem;
  font-weight:    500;
  letter-spacing: -0.01em;
  color:          var(--color-navy);
  transition:     color 0.45s var(--ease-out);
  line-height:    1;
}

.nav.is-scrolled .nav__logo-name {
  color: var(--color-white);
}

.nav.is-open .nav__logo-name {
  color: var(--color-navy);
}

.nav__logo-tagline {
  font-family:    var(--font-body);
  font-size:      var(--text-xs);
  font-weight:    400;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color:          var(--color-navy);
  opacity:        0.6;
  transition:     color   0.45s var(--ease-out),
                  opacity 0.45s var(--ease-out);
  line-height:    1;
}

.nav.is-scrolled .nav__logo-tagline {
  color:   var(--color-white);
  opacity: 0.45;
}

.nav.is-open .nav__logo-tagline {
  color:   var(--color-navy);
  opacity: 0.6;
}

/* Linki desktopowe */

.nav__links {
  display:     none;
  align-items: center;
  gap:         var(--space-10);
}

.nav__link {
  font-family:    var(--font-body);
  font-size:      var(--text-sm);
  font-weight:    400;
  letter-spacing: 0.01em;
  color:          var(--color-navy-80);
  position:       relative;
  transition:     color 0.45s var(--ease-out);
}

.nav.is-scrolled .nav__link {
  color: var(--color-white);
}

.nav__link::after {
  content:    '';
  position:   absolute;
  bottom:     -3px;
  left:       0;
  width:      0;
  height:     1px;
  background: currentColor;
  transition: width 0.35s var(--ease-out);
}

.nav__link:hover::after,
.nav__link.is-active::after {
  width: 100%;
}

/* CTA nawigacji */

.nav__cta {
  display: none;
}

/* Stan domyślny (przezroczyste tło): ciemny outline */
.nav:not(.is-scrolled):not(.is-open) .nav__cta {
  color:        var(--color-navy);
  border-color: var(--color-navy);
}

.nav:not(.is-scrolled):not(.is-open) .nav__cta:hover {
  background: var(--color-navy);
  color:      var(--color-white);
}

/* Stan is-scrolled (granatowe tło): biały outline */
.nav.is-scrolled .nav__cta {
  color:        var(--color-white);
  border-color: var(--color-white);
  transition:   color        0.45s var(--ease-out),
                border-color 0.45s var(--ease-out),
                background   0.35s var(--ease-out);
}

.nav.is-scrolled .nav__cta:hover {
  background: var(--color-white);
  color:      var(--color-navy);
}

/* Hamburger */

.nav__hamburger {
  display:         flex;
  flex-direction:  column;
  justify-content: center;
  gap:             5px;
  width:           36px;
  height:          36px;
  padding:         6px;
  cursor:          pointer;
  background:      none;
  border:          none;
}

.nav__hamburger span {
  display:          block;
  width:            24px;
  height:           1px;
  background:       var(--color-navy);
  transform-origin: center;
  transition:       transform   0.30s var(--ease-out),
                    opacity     0.30s var(--ease-out),
                    background  0.45s var(--ease-out);
}

.nav.is-scrolled .nav__hamburger span {
  background: var(--color-white);
}

.nav.is-open .nav__hamburger span {
  background: var(--color-navy);
}

/* Gdy menu otwarte na scrolled belce — wyższa specyficzność (0,4,1)
   gwarantuje navy niezależnie od is-scrolled */
.nav.is-scrolled.is-open .nav__hamburger span {
  background: var(--color-navy);
}

.nav__hamburger.is-open span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.nav__hamburger.is-open span:nth-child(2) {
  opacity:   0;
  transform: scaleX(0);
}

.nav__hamburger.is-open span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* Mobile overlay */

.nav__mobile {
  position:        fixed;
  inset:           0;
  z-index:         99;
  background:      var(--color-bg-warm);
  display:         flex;
  flex-direction:  column;
  align-items:     center;
  justify-content: center;
  gap:             var(--space-8);
  opacity:         0;
  pointer-events:  none;
  transition:      opacity 0.35s var(--ease-out);
}

.nav__mobile.is-open {
  opacity:        1;
  pointer-events: auto;
}

.nav__mobile-link {
  font-family:    var(--font-display);
  font-size:      clamp(1.8rem, 6vw, 3rem);
  font-weight:    300;
  letter-spacing: -0.02em;
  color:          var(--color-navy);
  transition:     opacity 0.25s var(--ease-out);
}

.nav__mobile-link:hover {
  opacity: 0.55;
}

.nav__mobile-cta {
  margin-top: var(--space-4);
}

/* Desktop: pokaż linki i CTA */

@media (min-width: 1024px) {
  .nav__links {
    display: flex;
  }

  .nav__cta {
    display: block;
  }

  .nav__hamburger {
    display: none;
  }
}

/* ── HERO (index.html) ──────────────────────────────────────────── */

.hero {
  min-height:  100svh;
  position:    relative;
  display:     flex;
  align-items: center;
  overflow:    clip;
}

.hero__bg {
  position:   absolute;
  inset:      0;
  background: var(--color-bg-warm);
}

/* Ząb anatomiczny — dekoracja tła hero */

.hero__tooth {
  position:        absolute;
  right:           -14%;
  top:             50%;
  transform:       translateY(-50%);
  width:           55vw;
  max-width:       860px;
  height:          auto;
  opacity:         0.48;
  mix-blend-mode:  multiply;
  pointer-events:  none;
  user-select:     none;
  z-index:         1;
}

.hero__overlay {
  position:   absolute;
  inset:      0;
  background: linear-gradient(
    to top,
    rgba(246, 247, 249, 0.60) 0%,
    transparent 65%
  );
  pointer-events: none;
}

.hero__content {
  position:       relative;
  z-index:        2;
  padding-top:    calc(72px + 5vw);
  padding-bottom: clamp(4rem, 8vw, 7rem);
  width:          100%;
}

.hero__label {
  display:        block;
  font-family:    var(--font-body);
  font-size:      var(--text-xs);
  font-weight:    500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color:          var(--color-navy-40);
  margin-bottom:  var(--space-5);
}

.hero__title {
  font-family:    var(--font-display);
  font-size:      var(--text-hero);
  font-weight:    300;
  color:          var(--color-navy);
  line-height:    1.08;
  letter-spacing: -0.025em;
  margin-bottom:  var(--space-6);
  max-width:      640px;
}

.hero__subtitle {
  font-family:   var(--font-body);
  font-size:     var(--text-md);
  font-weight:   400;
  color:         var(--color-text-muted);
  line-height:   var(--leading-loose);
  max-width:     480px;
  margin-bottom: var(--space-10);
}

.hero__actions {
  display:   flex;
  flex-wrap: wrap;
  gap:       var(--space-4);
}

.hero__values {
  display:     flex;
  gap:         var(--space-8);
  margin-top:  var(--space-14, 3.5rem);
  flex-wrap:   wrap;
  padding-top: var(--space-8);
  border-top:  1px solid var(--color-border-mid);
}

.hero__value {
  display:     flex;
  align-items: center;
  gap:         var(--space-3);
}

.hero__value-icon {
  width:       18px;
  height:      18px;
  stroke:      var(--color-navy);
  fill:        none;
  opacity:     0.40;
  flex-shrink: 0;
}

.hero__value-text {
  font-family:    var(--font-body);
  font-size:      var(--text-sm);
  font-weight:    400;
  color:          var(--color-text-muted);
  letter-spacing: 0.01em;
}

/* ── PAGE HERO (nagłówek podstron) ──────────────────────────────── */

.page-hero {
  padding-top:    calc(72px + clamp(3rem, 7vw, 5rem));
  padding-bottom: clamp(2.5rem, 5vw, 4rem);
  border-bottom:  1px solid var(--color-border);
}

.page-hero__label {
  margin-bottom: var(--space-4);
}

.page-hero__title {
  font-family:    var(--font-display);
  font-size:      clamp(2rem, 5vw, 3.8rem);
  font-weight:    300;
  color:          var(--color-navy);
  line-height:    1.1;
  letter-spacing: -0.02em;
}

.page-hero__subtitle {
  font-family:  var(--font-body);
  font-size:    var(--text-md);
  font-weight:  400;
  color:        var(--color-text-muted);
  max-width:    500px;
  line-height:  var(--leading-loose);
  margin-top:   var(--space-4);
}

/* ── LAYOUTY SEKCJI PODSTRON ────────────────────────────────────── */

/* O gabinecie */
.about-layout {
  display:     grid;
  gap:         clamp(var(--space-10), 6vw, var(--space-20));
  align-items: start;
}

@media (min-width: 1024px) {
  .about-layout {
    grid-template-columns: 1fr 1fr;
  }
}

/* Usługi wyróżnione */
.services-featured {
  display: grid;
  gap:     var(--space-6);
}

@media (min-width: 768px) {
  .services-featured {
    grid-template-columns: 1fr 1fr;
  }
}

/* Usługi — siatka */
.services-grid {
  display: grid;
  gap:     var(--space-6);
}

@media (min-width: 480px) {
  .services-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Wartości */
.values-grid {
  display: grid;
  gap:     var(--space-6);
}

@media (min-width: 768px) {
  .values-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Opinie */
.testimonials-grid {
  display: grid;
  gap:     var(--space-6);
}

@media (min-width: 1024px) {
  .testimonials-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* FAQ */
.faq-list {
  display:        flex;
  flex-direction: column;
}

/* Kontakt */
.contact-layout {
  display: grid;
  gap:     clamp(var(--space-12), 8vw, var(--space-24));
}

@media (min-width: 1024px) {
  .contact-layout {
    grid-template-columns: 1fr 1.3fr;
  }
}

/* ── STOPKA ─────────────────────────────────────────────────────── */

.footer {
  background:    var(--color-navy);
  color:         var(--color-white);
  padding-block: clamp(var(--space-16), 8vw, var(--space-24)) var(--space-10);
}

.footer__grid {
  display: grid;
  gap:     var(--space-12);
}

@media (min-width: 1024px) {
  .footer__grid {
    grid-template-columns: 1.6fr 1fr 1fr;
  }
}

.footer__brand-name {
  font-family:    var(--font-display);
  font-size:      var(--text-xl);
  font-weight:    400;
  color:          var(--color-white);
  letter-spacing: -0.01em;
  margin-bottom:  var(--space-3);
  line-height:    var(--leading-tight);
}

.footer__brand-tagline {
  font-family: var(--font-body);
  font-size:   var(--text-sm);
  color:       rgba(255, 255, 255, 0.40);
  line-height: var(--leading-loose);
  max-width:   240px;
}

.footer__heading {
  font-family:    var(--font-body);
  font-size:      var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color:          rgba(255, 255, 255, 0.28);
  margin-bottom:  var(--space-5);
}

.footer__links {
  display:        flex;
  flex-direction: column;
  gap:            var(--space-3);
}

.footer__link {
  font-family: var(--font-body);
  font-size:   var(--text-sm);
  color:       rgba(255, 255, 255, 0.52);
  transition:  color 0.25s var(--ease-out);
}

.footer__link:hover {
  color: var(--color-white);
}

.footer__contact-label {
  display:        block;
  font-family:    var(--font-body);
  font-size:      var(--text-xs);
  color:          rgba(255, 255, 255, 0.28);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  margin-bottom:  var(--space-1);
}

.footer__contact-value {
  font-family: var(--font-body);
  font-size:   var(--text-sm);
  color:       rgba(255, 255, 255, 0.62);
  transition:  color 0.25s var(--ease-out);
}

.footer__contact-value:hover {
  color: var(--color-white);
}

.footer__contact-item {
  margin-bottom: var(--space-5);
}

.footer__bottom {
  display:         flex;
  justify-content: space-between;
  flex-wrap:       wrap;
  gap:             var(--space-3);
  border-top:      1px solid rgba(255, 255, 255, 0.08);
  padding-top:     var(--space-8);
  margin-top:      var(--space-16);
}

.footer__copy {
  font-family: var(--font-body);
  font-size:   var(--text-xs);
  color:       rgba(255, 255, 255, 0.20);
}