/* ============================================================
   GABINET ORTOPEDYCZNY – lek. Jerzy Kaczmarz
   style.css  |  Mobile-first, zero dependencies
   ============================================================ */

/* --- Custom properties --- */
:root {
  --color-navy:       #1a3a5c;
  --color-navy-dark:  #122840;
  --color-blue:       #3b82f6;
  --color-blue-light: #eff6ff;
  --color-blue-mid:   #dbeafe;
  --color-white:      #ffffff;
  --color-gray-50:    #f8fafc;
  --color-gray-100:   #f1f5f9;
  --color-gray-200:   #e2e8f0;
  --color-gray-400:   #94a3b8;
  --color-gray-600:   #475569;
  --color-gray-700:   #334155;
  --color-gray-900:   #0f172a;

  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-size-base: 1rem;

  --shadow-sm:  0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
  --shadow-md:  0 4px 12px rgba(0,0,0,.08), 0 2px 4px rgba(0,0,0,.04);
  --shadow-lg:  0 10px 30px rgba(0,0,0,.10), 0 4px 10px rgba(0,0,0,.05);
  --shadow-xl:  0 20px 50px rgba(0,0,0,.12);

  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  20px;

  --transition: 0.25s ease;

  --container-max: 1400px;
  --container-px:  1.25rem;
  --nav-height:    70px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.65;
  color: var(--color-gray-700);
  background: var(--color-white);
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
address { font-style: normal; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

/* --- Container --- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-px);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .625rem 1.25rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: .9375rem;
  line-height: 1;
  transition: background var(--transition), color var(--transition),
              border-color var(--transition), box-shadow var(--transition),
              transform var(--transition);
  cursor: pointer;
  white-space: nowrap;
  border: 2px solid transparent;
}

.btn--primary {
  background: var(--color-blue);
  color: var(--color-white);
  border-color: var(--color-blue);
}
.btn--primary:hover, .btn--primary:focus-visible {
  background: #2563eb;
  border-color: #2563eb;
  box-shadow: 0 4px 14px rgba(59,130,246,.4);
  transform: translateY(-1px);
}

.btn--outline {
  background: transparent;
  color: var(--color-navy);
  border-color: var(--color-navy);
}
.btn--outline:hover, .btn--outline:focus-visible {
  background: var(--color-navy);
  color: var(--color-white);
  transform: translateY(-1px);
}

.btn--lg {
  padding: .875rem 1.75rem;
  font-size: 1rem;
  border-radius: var(--radius-sm);
}

.btn:focus-visible { outline: 3px solid var(--color-blue); outline-offset: 3px; }

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-gray-200);
  height: var(--nav-height);
  transition: box-shadow var(--transition);
}

.navbar.scrolled { box-shadow: var(--shadow-md); }

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 1rem;
}

.navbar__logo {
  display: flex;
  align-items: center;
  gap: .625rem;
  font-weight: 700;
  font-size: 1rem;
  color: var(--color-navy);
  flex-shrink: 0;
  transition: opacity var(--transition);
}
.navbar__logo:hover { opacity: .85; }
.navbar__name {
  display: none;
}

@media (min-width: 480px) {
  .navbar__name { display: inline; }
}

.navbar__nav {
  display: none;
  align-items: center;
  gap: .25rem;
}

.navbar__nav.is-open {
  display: flex;
  flex-direction: column;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--color-white);
  padding: 1.25rem var(--container-px);
  gap: .5rem;
  border-top: 1px solid var(--color-gray-200);
  box-shadow: var(--shadow-md);
}

.navbar__link {
  padding: .5rem .75rem;
  border-radius: var(--radius-sm);
  font-weight: 500;
  color: var(--color-gray-700);
  transition: background var(--transition), color var(--transition);
}
.navbar__link:hover, .navbar__link.active {
  background: var(--color-blue-light);
  color: var(--color-blue);
}

.navbar__cta { margin-top: .5rem; }

.navbar__toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 8px;
  border-radius: var(--radius-sm);
  transition: background var(--transition);
}
.navbar__toggle:hover { background: var(--color-gray-100); }
.navbar__toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-navy);
  border-radius: 2px;
  transition: transform .25s, opacity .25s;
}
.navbar__toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.navbar__toggle.is-open span:nth-child(2) { opacity: 0; }
.navbar__toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (min-width: 768px) {
  .navbar__toggle { display: none; }
  .navbar__nav { display: flex; }
  .navbar__nav.is-open {
    position: static;
    flex-direction: row;
    inset: auto;
    background: none;
    padding: 0;
    border: none;
  }
  .navbar__cta { margin-top: 0; }
}

/* ============================================================
   SECTION BASE
   ============================================================ */
.section { padding-block: 5rem; }
.section--alt { background: var(--color-gray-50); }

.section__header {
  text-align: center;
  max-width: 640px;
  margin-inline: auto;
  margin-bottom: 3.5rem;
}

.section__tag {
  display: inline-block;
  padding: .25rem .875rem;
  background: var(--color-blue-light);
  color: var(--color-blue);
  border-radius: 100px;
  font-size: .8125rem;
  font-weight: 600;
  letter-spacing: .04em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.section__title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  color: var(--color-navy);
  line-height: 1.2;
  margin-bottom: .875rem;
}

.section__desc {
  font-size: 1.0625rem;
  color: var(--color-gray-600);
  line-height: 1.7;
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: calc(100vh - var(--nav-height));
  display: flex;
  align-items: center;
  background: linear-gradient(145deg, var(--color-navy-dark) 0%, var(--color-navy) 60%, #1e4d80 100%);
  overflow: hidden;
  padding-block: 5rem 4rem;
}

.hero__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 100%);
}

.hero__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0;
  animation: orbFloat 12s ease-in-out infinite;
}

.hero__orb--1 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(59,130,246,.35) 0%, transparent 70%);
  top: -15%;
  right: -10%;
  animation-delay: 0s;
  animation-duration: 14s;
}

.hero__orb--2 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(99,179,237,.25) 0%, transparent 70%);
  bottom: 5%;
  left: -5%;
  animation-delay: -5s;
  animation-duration: 18s;
}

.hero__orb--3 {
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(147,197,253,.2) 0%, transparent 70%);
  top: 40%;
  left: 40%;
  animation-delay: -9s;
  animation-duration: 16s;
}

@keyframes orbFloat {
  0%   { opacity: .6; transform: translate(0, 0) scale(1); }
  33%  { opacity: .9; transform: translate(30px, -40px) scale(1.05); }
  66%  { opacity: .5; transform: translate(-20px, 20px) scale(.95); }
  100% { opacity: .6; transform: translate(0, 0) scale(1); }
}

.hero__inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1.5rem;
  max-width: 780px;
  margin: 0 auto;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .375rem 1rem;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 100px;
  color: rgba(255,255,255,.9);
  font-size: .875rem;
  font-weight: 500;
  backdrop-filter: blur(4px);
}

.hero__title {
  font-size: clamp(2.25rem, 6vw, 4rem);
  font-weight: 800;
  color: var(--color-white);
  line-height: 1.1;
  letter-spacing: -.02em;
}

.hero__subtitle {
  font-size: clamp(1.125rem, 2.5vw, 1.4rem);
  color: rgba(255,255,255,.8);
  font-weight: 500;
}

.hero__desc {
  font-size: 1.0625rem;
  color: rgba(255,255,255,.7);
  line-height: 1.75;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: .5rem;
}

.hero__actions .btn--outline {
  color: rgba(255,255,255,.9);
  border-color: rgba(255,255,255,.4);
}
.hero__actions .btn--outline:hover {
  background: rgba(255,255,255,.1);
  color: var(--color-white);
  border-color: rgba(255,255,255,.7);
  transform: translateY(-1px);
}

.hero__stats {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-top: 1rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,.15);
  flex-wrap: wrap;
}

.hero__stat {
  display: flex;
  flex-direction: column;
  gap: .125rem;
}

.hero__stat-value {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--color-white);
  line-height: 1;
}

.hero__stat-label {
  font-size: .8125rem;
  color: rgba(255,255,255,.6);
  font-weight: 500;
}

.hero__stat-divider {
  width: 1px;
  height: 2.5rem;
  background: rgba(255,255,255,.2);
}

.hero__cards {
  display: flex;
  flex-wrap: nowrap;
  gap: 1rem;
  margin-top: .5rem;
  width: 100%;
}

.hero__card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: .25rem;
  padding: 1rem 1.25rem;
  background: rgba(255,255,255,.1);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,.2);
  border-radius: var(--radius-md);
  flex: 1;
  min-width: 0;
}

.hero__card-icon {
  color: rgba(255,255,255,.7);
  margin-bottom: .125rem;
}

.hero__card-label {
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: rgba(255,255,255,.6);
}

.hero__card-value {
  color: var(--color-white);
  font-weight: 600;
  font-size: .9375rem;
  line-height: 1.3;
  transition: color var(--transition);
}

a.hero__card-value:hover { color: var(--color-blue); }

@media (max-width: 639px) {
  .hero__actions {
    flex-wrap: nowrap;
    width: 100%;
  }
  .hero__actions .btn {
    flex: 1;
    justify-content: center;
  }
  .hero__cards {
    flex-direction: column;
  }
}

/* ============================================================
   ABOUT
   ============================================================ */
.about__grid {
  display: grid;
  gap: 3rem;
}

@media (min-width: 900px) {
  .about__grid { grid-template-columns: 1fr 1fr; align-items: start; }
}

.about__text {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.about__text p {
  font-size: 1.0625rem;
  color: var(--color-gray-700);
  line-height: 1.75;
}

.about__highlight {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  background: var(--color-blue-light);
  border-left: 4px solid var(--color-blue);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  color: var(--color-blue);
  margin-top: .5rem;
}

.about__highlight svg { flex-shrink: 0; margin-top: .125rem; }

.about__highlight div {
  display: flex;
  flex-direction: column;
  gap: .25rem;
}

.about__highlight strong {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-navy);
}

.about__highlight span {
  font-size: .9375rem;
  color: var(--color-gray-600);
}

.about__cards {
  display: grid;
  gap: 1rem;
}

.about__card {
  padding: 1.5rem;
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  gap: .625rem;
  transition: transform var(--transition), box-shadow var(--transition);
  border: 1px solid var(--color-gray-100);
}

.about__card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.about__card-icon {
  width: 52px;
  height: 52px;
  background: var(--color-blue-light);
  color: var(--color-blue);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.about__card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-navy);
}

.about__card p {
  font-size: .9375rem;
  color: var(--color-gray-600);
  line-height: 1.6;
}

/* ============================================================
   SERVICES
   ============================================================ */
.services__grid {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 680px) {
  .services__grid { grid-template-columns: 1fr 1fr; }
}

.services__card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  border: 1px solid var(--color-gray-200);
  transition: transform var(--transition), box-shadow var(--transition);
}

.services__card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.services__card-header {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.services__icon {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.services__icon--adults {
  background: linear-gradient(135deg, #dbeafe, #bfdbfe);
  color: var(--color-navy);
}

.services__icon--children {
  background: linear-gradient(135deg, #d1fae5, #a7f3d0);
  color: #065f46;
}

.services__card-header h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-navy);
}

.services__list {
  display: flex;
  flex-direction: column;
  gap: .75rem;
  flex: 1;
}

.services__list li {
  display: flex;
  align-items: flex-start;
  gap: .625rem;
  font-size: .9375rem;
  color: var(--color-gray-700);
  line-height: 1.5;
}

.services__list svg {
  flex-shrink: 0;
  margin-top: .125rem;
  color: var(--color-blue);
}

.services__cta { align-self: flex-start; }

.services__note {
  display: flex;
  align-items: flex-start;
  gap: .75rem;
  margin-top: 2rem;
  padding: 1rem 1.5rem;
  background: var(--color-blue-mid);
  border-radius: var(--radius-md);
  font-size: .9375rem;
  color: var(--color-navy);
  max-width: 640px;
  margin-inline: auto;
}

.services__note svg { flex-shrink: 0; color: var(--color-blue); margin-top: .125rem; }

/* ============================================================
   CONTACT
   ============================================================ */
.contact__grid {
  display: grid;
  gap: 2.5rem;
}

@media (min-width: 900px) {
  .contact__grid { grid-template-columns: 1fr 1.4fr; align-items: start; }
}

.contact__info {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.contact__block {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.5rem;
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-gray-100);
  transition: box-shadow var(--transition);
}

.contact__block:hover { box-shadow: var(--shadow-md); }

.contact__icon {
  width: 46px;
  height: 46px;
  background: var(--color-blue-light);
  color: var(--color-blue);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact__block h3 {
  font-size: .9375rem;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: .375rem;
}

.contact__phone {
  display: inline-block;
  font-size: 1.375rem;
  font-weight: 800;
  color: var(--color-blue);
  line-height: 1.2;
  margin-bottom: .25rem;
  transition: color var(--transition);
}
.contact__phone:hover { color: #2563eb; }

.contact__note {
  font-size: .875rem;
  color: var(--color-gray-600);
  margin-top: .25rem;
}

address { line-height: 1.7; color: var(--color-gray-700); font-size: .9375rem; }

.contact__map-link {
  display: inline-flex;
  align-items: center;
  gap: .375rem;
  margin-top: .5rem;
  font-size: .875rem;
  font-weight: 600;
  color: var(--color-blue);
  transition: color var(--transition);
}
.contact__map-link:hover { color: #2563eb; }

.contact__map {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-gray-200);
}

.contact__map iframe {
  width: 100%;
  height: 360px;
  border: none;
  display: block;
}

@media (min-width: 900px) {
  .contact__map iframe { height: 440px; }
}

.contact__map-caption {
  padding: .75rem 1rem;
  background: var(--color-gray-50);
  border-top: 1px solid var(--color-gray-200);
  font-size: .8125rem;
  color: var(--color-gray-600);
  text-align: right;
}

.contact__map-caption a {
  color: var(--color-blue);
  font-weight: 600;
}
.contact__map-caption a:hover { text-decoration: underline; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--color-navy-dark);
  padding-block: 2rem;
}

.footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  text-align: center;
}

@media (min-width: 640px) {
  .footer__inner { flex-direction: row; justify-content: space-between; text-align: left; }
}

.footer__brand {
  display: flex;
  align-items: center;
  gap: .625rem;
  font-weight: 700;
  color: var(--color-white);
  font-size: .9375rem;
}

.footer__copy {
  font-size: .875rem;
  color: rgba(255,255,255,.5);
}

/* ============================================================
   ANIMATIONS
   ============================================================ */

/* Initial state for hero items (JS-independent, CSS-driven) */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp .7s ease forwards;
}
.fade-in--delay-1 { animation-delay: .1s; }
.fade-in--delay-2 { animation-delay: .2s; }
.fade-in--delay-3 { animation-delay: .35s; }
.fade-in--delay-4 { animation-delay: .5s; }
.fade-in--delay-5 { animation-delay: .65s; }

@keyframes fadeInUp {
  to { opacity: 1; transform: translateY(0); }
}

/* Scroll-triggered reveal (via JS Intersection Observer) */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .65s ease, transform .65s ease;
}

.reveal--delay { transition-delay: .15s; }

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

/* Reduce motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
  .fade-in, .reveal { opacity: 1; transform: none; }
}

/* ============================================================
   UTILITIES
   ============================================================ */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0);
  white-space: nowrap; border: 0;
}