/* care4u.cz — landing page */

@import url("https://fonts.googleapis.com/css2?family=Instrument+Serif:ital@0;1&family=Plus+Jakarta+Sans:ital,wght@0,400;0,500;0,600;0,700;1,400&display=swap");

:root {
  --color-ink: #0c1222;
  --color-ink-soft: #1e293b;
  --color-muted: #64748b;
  --color-surface: #ffffff;
  --color-surface-alt: #f4f7fb;
  --color-surface-dark: #0f172a;
  --color-border: #e2e8f0;
  --color-border-strong: #cbd5e1;
  --color-accent: #0d9488;
  --color-accent-hover: #0f766e;
  --color-brand: #52d3aa;
  --color-brand-hover: #3eb892;
  --color-brand-strong: #0a8f6f;
  --color-brand-strong-hover: #087a60;
  --color-accent-soft: rgba(13, 148, 136, 0.1);
  --color-accent-glow: rgba(13, 148, 136, 0.25);
  --font-sans: "Plus Jakarta Sans", system-ui, sans-serif;
  --font-serif: "Instrument Serif", Georgia, serif;
  --container: 72rem;
  --header-height: 4.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;
  --shadow-md: 0 4px 16px rgba(12, 18, 34, 0.08);
  --shadow-accent: 0 8px 32px var(--color-accent-glow);
  --transition: 0.2s ease;
  --transition-slow: 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}

*, *::before, *::after { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-ink-soft);
  background: var(--color-surface);
  -webkit-font-smoothing: antialiased;
}

body.menu-open { overflow: hidden; }

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

a {
  color: var(--color-accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.15em;
  transition: color var(--transition);
}

a:hover { color: var(--color-accent-hover); }

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

.container {
  width: min(var(--container), 100% - 2 * 1.5rem);
  margin-inline: auto;
}

h1, h2, h3 {
  color: var(--color-ink);
  line-height: 1.15;
  font-weight: 700;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.25rem, 5vw, 3.25rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.25rem); }
h3 { font-size: 1.25rem; }

.display-serif {
  font-family: var(--font-serif);
  font-weight: 400;
  font-style: italic;
}

.lead {
  font-size: 1.125rem;
  color: var(--color-muted);
  line-height: 1.7;
  max-width: 38rem;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 1rem;
}

.eyebrow::before {
  content: "";
  width: 1.5rem;
  height: 2px;
  background: var(--color-accent);
  border-radius: var(--radius-full);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.5rem;
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1;
  border-radius: var(--radius-full);
  border: 2px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background var(--transition), color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.btn:hover { transform: translateY(-1px); }

.btn--primary {
  background: var(--color-accent);
  color: var(--color-surface);
  box-shadow: var(--shadow-accent);
}

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

.btn--ghost {
  background: rgba(255, 255, 255, 0.12);
  color: var(--color-surface);
  border-color: rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(8px);
}

.btn--ghost:hover {
  background: rgba(255, 255, 255, 0.2);
  color: var(--color-surface);
}

.btn--secondary {
  background: transparent;
  color: var(--color-ink);
  border-color: var(--color-border-strong);
}

.btn--secondary:hover {
  border-color: var(--color-ink);
  color: var(--color-ink);
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

@media (max-width: 480px) {
  .btn-group .btn {
    flex: 1 1 100%;
    justify-content: center;
  }
}

/* Top bar */
.site-top {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.97);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.site-top.is-scrolled {
  border-color: var(--color-border);
  box-shadow: 0 1px 2px rgba(12, 18, 34, 0.05);
}

.site-top__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  gap: 1.5rem;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  text-decoration: none;
  line-height: 1;
  letter-spacing: -0.02em;
  white-space: nowrap;
  flex-shrink: 0;
}

.logo__icon {
  width: 2rem;
  height: 2rem;
  flex-shrink: 0;
  border-radius: 0.5rem;
  box-shadow: 0 2px 8px rgba(10, 143, 111, 0.25);
}

.logo__text {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-brand-strong);
}

.logo__suffix {
  font-weight: 600;
  font-size: 0.82em;
  opacity: 0.88;
}

.site-top .logo:hover .logo__text {
  color: var(--color-brand-strong-hover);
}

.site-top .logo:hover .logo__icon {
  box-shadow: 0 3px 12px rgba(10, 143, 111, 0.35);
}

@media (max-width: 480px) {
  .logo__text {
    font-size: 1.0625rem;
  }

  .logo__icon {
    width: 1.75rem;
    height: 1.75rem;
  }
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  cursor: pointer;
  color: var(--color-ink);
  flex-shrink: 0;
  position: relative;
  z-index: 220;
}

.nav-toggle__icon {
  width: 1.25rem;
  height: 2px;
  background: currentColor;
  position: relative;
}

.nav-toggle__icon::before,
.nav-toggle__icon::after {
  content: "";
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: currentColor;
  transition: transform var(--transition);
}

.nav-toggle__icon::before { top: -6px; }
.nav-toggle__icon::after { top: 6px; }

.nav-toggle[aria-expanded="true"] .nav-toggle__icon { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle__icon::before { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__icon::after { transform: translateY(-6px) rotate(-45deg); }

.site-nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.site-nav__list {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav__link {
  text-decoration: none;
  color: var(--color-muted);
  font-size: 0.875rem;
  font-weight: 500;
}

.site-nav__link:hover { color: var(--color-ink); }

.nav-backdrop {
  position: fixed;
  inset: 0;
  z-index: 150;
  background: rgba(12, 18, 34, 0.45);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), visibility var(--transition);
}

.nav-backdrop.is-visible {
  opacity: 1;
  visibility: visible;
}

@media (max-width: 768px) {
  .nav-toggle { display: flex; }

  .site-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    max-width: 100vw;
    z-index: 200;
    flex-direction: column;
    align-items: stretch;
    gap: 1.5rem;
    padding: 1.5rem;
    padding-bottom: max(1.5rem, env(safe-area-inset-bottom));
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
    transform: translateX(100%);
    visibility: hidden;
    pointer-events: none;
    transition: transform var(--transition-slow), visibility var(--transition-slow);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }

  .site-nav.is-open {
    transform: translateX(0);
    visibility: visible;
    pointer-events: auto;
  }

  .site-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .site-nav__link {
    display: block;
    padding: 1rem 0;
    font-size: 1.125rem;
    border-bottom: 1px solid var(--color-border);
    color: var(--color-ink-soft);
  }

  .site-nav .btn {
    width: 100%;
    margin-top: 0.5rem;
  }
}

/* Hero */
.hero {
  position: relative;
  padding: 4.5rem 0 3.5rem;
  background: var(--color-surface-dark);
  color: var(--color-surface);
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 70% -10%, rgba(13, 148, 136, 0.35) 0%, transparent 60%),
    radial-gradient(ellipse 50% 40% at 10% 80%, rgba(234, 88, 12, 0.12) 0%, transparent 50%);
  pointer-events: none;
}

.hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.hero__content h1 { color: var(--color-surface); margin-bottom: 1.5rem; }

.hero__content .lead {
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: 2rem;
  max-width: none;
}

.hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.hero__stats > div {
  flex: 1 1 8rem;
  min-width: 0;
}

.hero__stat-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-surface);
  line-height: 1.1;
}

.hero__stat-label {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.6);
  margin-top: 0.5rem;
  line-height: 1.35;
}

@media (max-width: 640px) {
  .hero__stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.5rem 0.75rem;
  }

  .hero__stats > div {
    flex: unset;
  }

  .hero__stat-value {
    font-size: clamp(0.8125rem, 3.2vw, 1.125rem);
  }

  .hero__stat-label {
    font-size: 0.6875rem;
    margin-top: 0.35rem;
  }
}

.hero__visual {
  border-radius: var(--radius-xl);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  overflow: hidden;
}

.hero__visual-inner {
  padding: 1.5rem;
  display: grid;
  gap: 1rem;
}

.hero__code {
  background: rgba(0, 0, 0, 0.4);
  border-radius: var(--radius-md);
  padding: 1rem;
  font-family: "SF Mono", "Fira Code", monospace;
  font-size: 0.75rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.hero__code .comment { color: rgba(148, 163, 184, 0.8); }
.hero__code .keyword { color: #5eead4; }
.hero__code .string { color: #fdba74; }

.hero__cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.hero__mini-card {
  padding: 1rem;
  background: rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.hero__mini-card-icon {
  width: 1.75rem;
  height: 1.75rem;
  margin-bottom: 0.5rem;
  color: var(--color-accent);
}

.hero__mini-card-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-surface);
}

.hero__mini-card-text {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.55);
  margin-top: 0.15rem;
}

@media (max-width: 900px) {
  .hero {
    padding: 3rem 0 2.5rem;
  }

  .hero__grid { grid-template-columns: 1fr; }
  .hero__visual { max-width: 28rem; margin-inline: auto; width: 100%; }
}

@media (max-width: 768px) {
  .section { padding: 3rem 0; }
  .section__header { margin-bottom: 2rem; }
}

/* Anchor offset for sticky header */
[id] {
  scroll-margin-top: calc(var(--header-height) + 1rem);
}

/* Sections */
.section { padding: 4.5rem 0; }
.section--alt { background: var(--color-surface-alt); }

.section__header { margin-bottom: 3rem; }
.section__header--center { text-align: center; }
.section__header--center .lead { margin-inline: auto; }

/* Service cards */
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.service-card {
  padding: 2rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.section--alt .service-card { background: var(--color-surface); }

.service-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.service-card__icon {
  width: 3rem;
  height: 3rem;
  padding: 0.75rem;
  background: var(--color-accent-soft);
  border-radius: var(--radius-md);
  color: var(--color-accent);
  margin-bottom: 1.5rem;
}

.service-card__text {
  color: var(--color-muted);
  font-size: 0.875rem;
  margin: 0;
}

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

/* Process */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  counter-reset: step;
}

.process-step { padding-top: 1.5rem; }

.process-step::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  display: block;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 1rem;
}

.process-step__title {
  margin-bottom: 0.5rem;
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-ink);
}

.process-step__text {
  font-size: 0.875rem;
  color: var(--color-muted);
  margin: 0;
}

@media (max-width: 900px) { .process-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .process-grid { grid-template-columns: 1fr; } }

/* Why us */
.why-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.why-list {
  list-style: none;
  padding: 0;
  margin: 2rem 0 0;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.why-list__item { display: flex; gap: 1rem; }

.why-list__icon {
  flex-shrink: 0;
  width: 2.5rem;
  height: 2.5rem;
  display: grid;
  place-items: center;
  background: var(--color-accent-soft);
  border-radius: var(--radius-md);
  color: var(--color-accent);
}

.why-list__title {
  font-weight: 600;
  color: var(--color-ink);
  margin-bottom: 0.15rem;
}

.why-list__text {
  font-size: 0.875rem;
  color: var(--color-muted);
}

.why-visual {
  padding: 2.5rem;
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, var(--color-accent-soft) 0%, rgba(234, 88, 12, 0.08) 100%);
  border: 1px solid var(--color-border);
  text-align: center;
}

.why-visual__quote {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-style: italic;
  color: var(--color-ink);
  line-height: 1.4;
  margin: 0 0 1rem;
}

.why-visual__author {
  font-size: 0.875rem;
  color: var(--color-muted);
  margin: 0;
}

@media (max-width: 768px) {
  .why-grid { grid-template-columns: 1fr; }
  .why-visual { order: -1; }
}

/* Contact */
.contact-cta {
  text-align: center;
  max-width: 28rem;
  margin-inline: auto;
}

.contact-cta__email {
  display: inline-block;
  font-size: clamp(1.375rem, 4vw, 1.75rem);
  font-weight: 700;
  color: var(--color-brand-strong);
  text-decoration: none;
  letter-spacing: -0.02em;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-full);
  background: var(--color-accent-soft);
  border: 2px solid rgba(13, 148, 136, 0.2);
  transition: background var(--transition), color var(--transition), border-color var(--transition), transform var(--transition);
}

.contact-cta__email:hover {
  color: var(--color-brand-strong-hover);
  background: rgba(13, 148, 136, 0.16);
  border-color: var(--color-accent);
  transform: translateY(-1px);
}

.contact-cta__hint {
  margin: 1rem 0 1.5rem;
  font-size: 0.875rem;
  color: var(--color-muted);
}

.contact-cta__meta {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--color-muted);
}

.contact-cta__meta a {
  color: var(--color-ink-soft);
  text-decoration: none;
  font-weight: 500;
}

.contact-cta__meta a:hover {
  color: var(--color-accent);
}

/* Footer */
.site-footer {
  padding: 3rem 0 1.5rem;
  background: var(--color-ink);
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.875rem;
}

.site-footer a {
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
}

.site-footer a:hover { color: var(--color-surface); }

.site-footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 2rem;
}

.site-footer .logo {
  margin-bottom: 1rem;
}

.site-footer .logo__text {
  color: var(--color-brand);
  font-size: 1.125rem;
}

.site-footer .logo:hover .logo__text {
  color: #6ee7c8;
}

.site-footer__desc {
  max-width: 22rem;
  line-height: 1.6;
  margin: 0;
}

.site-footer__heading {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-surface);
  margin: 0 0 1.5rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.site-footer__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.site-footer__bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

@media (max-width: 768px) {
  .site-footer__grid { grid-template-columns: 1fr; gap: 2rem; }
}

/* Reveal */
.reveal {
  opacity: 0;
  transform: translateY(1.5rem);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

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

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .btn:hover, .service-card:hover { transform: none; }
}