/* ==========================================================================
   HUMANA — Structural Integration Therapy · Kraków
   A quiet, editorial identity.
   ========================================================================== */

:root {
  /* Brand palette */
  --sage:    #a8b5a0;
  --sage-2:  #c4ccbc;
  --olive:   #5e6b4a;
  --olive-2: #3d4632;
  --crimson: #8b2e2e;
  --crimson-2:#6b1f1f;
  --sand:    #ece4d4;
  --sand-2:  #f5efe3;
  --ink:     #1c1c1a;
  --ink-2:   #2d2d29;
  --paper:   #faf6ec;

  /* Typography */
  --display: "Cormorant Garamond", "Playfair Display", Georgia, serif;
  --body:    "Jost", -apple-system, BlinkMacSystemFont, "Helvetica Neue", sans-serif;

  /* Rhythm */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 8rem;
  --space-xxl:12rem;

  --max-w: 1280px;
  --content-w: 680px;

  --transition: 0.6s cubic-bezier(0.22, 0.61, 0.36, 1);
}

/* Reset & base
   -------------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--body);
  font-weight: 300;
  font-size: 17px;
  line-height: 1.7;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--olive-2);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover { color: var(--olive); }

/* Typography
   -------------------------------------------------------------------------- */
h1, h2, h3, h4, h5 {
  font-family: var(--display);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin: 0 0 var(--space-sm);
}
h1 { font-size: clamp(2.75rem, 6vw, 5.5rem); }
h2 { font-size: clamp(2rem, 4vw, 3.5rem); }
h3 { font-size: clamp(1.5rem, 2.5vw, 2rem); font-weight: 500; }
h4 { font-size: 1.25rem; font-weight: 500; }

p { margin: 0 0 var(--space-sm); }

.eyebrow {
  font-family: var(--body);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--olive);
  margin-bottom: var(--space-md);
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
}
.eyebrow::before {
  content: '';
  display: inline-block;
  width: 2.5rem;
  height: 1px;
  background: var(--olive);
}

.lede {
  font-family: var(--display);
  font-style: italic;
  font-size: clamp(1.25rem, 2vw, 1.65rem);
  line-height: 1.5;
  color: var(--olive-2);
  max-width: 32em;
}

/* Layout
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 clamp(1.5rem, 5vw, 3rem);
}

.narrow {
  max-width: var(--content-w);
  margin-left: auto;
  margin-right: auto;
}

section { padding: var(--space-xl) 0; }
@media (max-width: 720px) {
  section { padding: var(--space-lg) 0; }
}

/* Header & navigation
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(250, 246, 236, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition);
}
.site-header.scrolled { border-bottom-color: rgba(28, 28, 26, 0.08); }

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding: 1.25rem 0;
}

.site-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--display);
  font-size: 1.5rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--ink);
}
.site-brand:hover { color: var(--olive); }
.site-brand__mark {
  width: 32px; height: 32px;
  display: inline-block;
  flex-shrink: 0;
}

.primary-nav ul {
  list-style: none;
  margin: 0; padding: 0;
  display: flex;
  gap: clamp(1rem, 2.5vw, 2.25rem);
  align-items: center;
}
.primary-nav a {
  font-family: var(--body);
  font-size: 0.875rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink);
  position: relative;
  padding: 0.5rem 0;
}
.primary-nav a::after {
  content: '';
  position: absolute;
  bottom: 0.25rem;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--olive);
  transition: width var(--transition);
}
.primary-nav a:hover::after,
.primary-nav .current-menu-item > a::after { width: 100%; }

/* Language switcher */
.lang-switch {
  display: inline-flex;
  align-items: center;
  font-family: var(--body);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}
.lang-switch a {
  color: var(--ink);
  padding: 0 0.35rem;
  opacity: 0.5;
  transition: opacity var(--transition);
}
.lang-switch a.is-active { opacity: 1; color: var(--olive-2); }
.lang-switch a:hover { opacity: 1; }
.lang-switch .sep { opacity: 0.3; }

/* Mobile menu toggle */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  color: var(--ink);
}
.nav-toggle span {
  display: block;
  width: 22px; height: 1.5px;
  background: currentColor;
  margin: 5px 0;
  transition: transform var(--transition), opacity var(--transition);
}
.nav-open .nav-toggle span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

@media (max-width: 880px) {
  .nav-toggle { display: block; }
  .primary-nav {
    position: fixed;
    inset: 72px 0 0 0;
    background: var(--paper);
    padding: var(--space-lg) var(--space-md);
    transform: translateX(100%);
    transition: transform var(--transition);
  }
  .primary-nav ul { flex-direction: column; align-items: flex-start; gap: 0; }
  .primary-nav a { font-family: var(--display); font-size: 2rem; text-transform: none; letter-spacing: 0; padding: 0.75rem 0; }
  .nav-open .primary-nav { transform: translateX(0); }
}

/* Buttons
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 2rem;
  font-family: var(--body);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: 1px solid var(--ink);
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--ink);
  transform: translateX(-101%);
  transition: transform var(--transition);
  z-index: -1;
}
.btn:hover {
  color: var(--paper);
  border-color: var(--ink);
}
.btn:hover::before { transform: translateX(0); }

.btn--primary {
  background: var(--olive);
  border-color: var(--olive);
  color: var(--paper);
}
.btn--primary::before { background: var(--olive-2); }
.btn--primary:hover { color: var(--paper); border-color: var(--olive-2); }

.btn--ghost {
  border: none;
  padding: 0.5rem 0;
  background: none;
}
.btn--ghost::before { display: none; }
.btn--ghost { color: var(--olive-2); border-bottom: 1px solid currentColor; }
.btn--ghost:hover { color: var(--olive-2); }

/* Hero
   -------------------------------------------------------------------------- */
.hero {
  padding: clamp(4rem, 10vw, 8rem) 0 var(--space-xl);
  position: relative;
  overflow: hidden;
}
.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
  gap: clamp(2rem, 6vw, 6rem);
  align-items: center;
}
@media (max-width: 880px) {
  .hero__grid { grid-template-columns: 1fr; }
}

.hero__title {
  font-size: clamp(2.75rem, 7vw, 6rem);
  line-height: 1.02;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-md);
}
.hero__title em {
  font-style: italic;
  color: var(--olive-2);
  font-weight: 300;
}

.hero__lede {
  font-size: 1.1rem;
  color: var(--ink-2);
  max-width: 32em;
  margin-bottom: var(--space-md);
}

.hero__actions {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
  margin-top: var(--space-md);
}

.hero__visual {
  position: relative;
  aspect-ratio: 3/4;
  max-height: 640px;
}
.hero__visual svg {
  width: 100%; height: 100%;
  display: block;
}

/* Reveal animation */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 1s ease, transform 1s cubic-bezier(0.22, 0.61, 0.36, 1);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal:nth-child(2) { transition-delay: 0.1s; }
.reveal:nth-child(3) { transition-delay: 0.2s; }
.reveal:nth-child(4) { transition-delay: 0.3s; }

/* Intro / approach section
   -------------------------------------------------------------------------- */
.intro {
  background: var(--sand);
  position: relative;
}
.intro__grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: clamp(2rem, 6vw, 6rem);
  align-items: start;
}
@media (max-width: 760px) {
  .intro__grid { grid-template-columns: 1fr; }
}

.intro__title { font-size: clamp(2rem, 4vw, 3.5rem); }
.intro__body {
  font-size: 1.15rem;
  line-height: 1.75;
  color: var(--ink-2);
  max-width: 36em;
}

/* Pillars */
.pillars {
  margin-top: var(--space-lg);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  border-top: 1px solid rgba(28, 28, 26, 0.15);
  padding-top: var(--space-md);
}
@media (max-width: 760px) { .pillars { grid-template-columns: 1fr; } }

.pillar__num {
  font-family: var(--display);
  font-style: italic;
  font-size: 1.25rem;
  color: var(--olive-2);
  margin-bottom: 0.5rem;
  display: block;
}
.pillar h4 { margin-bottom: 0.5rem; }
.pillar p {
  font-size: 0.95rem;
  color: var(--ink-2);
  margin: 0;
}

/* Services
   -------------------------------------------------------------------------- */
.services {
  background: var(--paper);
}

.service {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: clamp(1.5rem, 4vw, 4rem);
  align-items: baseline;
  padding: var(--space-lg) 0;
  border-top: 1px solid rgba(28, 28, 26, 0.12);
  transition: background var(--transition);
}
.service:last-child { border-bottom: 1px solid rgba(28, 28, 26, 0.12); }
.service:hover { background: rgba(168, 181, 160, 0.08); }

.service__num {
  font-family: var(--display);
  font-style: italic;
  font-size: 2.5rem;
  color: var(--sage);
  line-height: 1;
  font-weight: 300;
  min-width: 2ch;
}

.service__content { max-width: 48em; }
.service__title {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  margin-bottom: 0.5rem;
}
.service__desc {
  font-size: 1rem;
  color: var(--ink-2);
  line-height: 1.7;
  margin: 0;
}

.service__meta {
  font-family: var(--body);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--olive);
  white-space: nowrap;
}

@media (max-width: 720px) {
  .service {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }
  .service__num { font-size: 1.5rem; }
}

/* CTA banner
   -------------------------------------------------------------------------- */
.cta-banner {
  background: var(--olive-2);
  color: var(--sand-2);
  padding: var(--space-xl) 0;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 60%;
  height: 200%;
  background: radial-gradient(circle, rgba(168, 181, 160, 0.35) 0%, transparent 60%);
  pointer-events: none;
}
.cta-banner__inner {
  position: relative;
  max-width: 800px;
}
.cta-banner h2 {
  color: var(--sand-2);
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-style: italic;
  font-weight: 300;
  margin-bottom: var(--space-md);
}
.cta-banner p {
  font-size: 1.1rem;
  opacity: 0.85;
  margin-bottom: var(--space-md);
}
.cta-banner .btn {
  border-color: var(--sand-2);
  color: var(--sand-2);
}
.cta-banner .btn::before { background: var(--sand-2); }
.cta-banner .btn:hover { color: var(--olive-2); }

/* Booking form
   -------------------------------------------------------------------------- */
.booking {
  background: var(--sand-2);
}
.booking__grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: clamp(2rem, 6vw, 6rem);
  align-items: start;
}
@media (max-width: 880px) { .booking__grid { grid-template-columns: 1fr; } }

.form-row { margin-bottom: var(--space-md); }
.form-row label {
  display: block;
  font-family: var(--body);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--olive);
  margin-bottom: 0.5rem;
}
.form-row input,
.form-row textarea {
  width: 100%;
  padding: 0.85rem 0;
  font-family: var(--body);
  font-size: 1rem;
  color: var(--ink);
  background: transparent;
  border: none;
  border-bottom: 1px solid rgba(28, 28, 26, 0.25);
  outline: none;
  transition: border-color var(--transition);
}
.form-row input:focus,
.form-row textarea:focus { border-bottom-color: var(--olive-2); }
.form-row textarea { min-height: 120px; resize: vertical; }

.form-row--split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}
@media (max-width: 600px) { .form-row--split { grid-template-columns: 1fr; } }

.booking__notice {
  padding: 1rem 1.25rem;
  margin-bottom: var(--space-md);
  font-size: 0.95rem;
  border-left: 2px solid var(--ink);
  background: rgba(28, 28, 26, 0.05);
}
.booking__notice--success { border-color: var(--olive); background: rgba(94, 107, 74, 0.08); }

/* Contact
   -------------------------------------------------------------------------- */
.contact {
  background: var(--paper);
}
.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: clamp(2rem, 6vw, 6rem);
  align-items: start;
}
@media (max-width: 880px) { .contact__grid { grid-template-columns: 1fr; } }

.contact__meta {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  margin-top: var(--space-md);
}
.contact__item h4 {
  font-family: var(--body);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--olive);
  margin-bottom: 0.5rem;
}
.contact__item p {
  font-size: 1.1rem;
  margin: 0;
  color: var(--ink);
}
.contact__map {
  aspect-ratio: 4/3;
  background: var(--sand);
  overflow: hidden;
}
.contact__map iframe { width: 100%; height: 100%; border: 0; }

/* Footer
   -------------------------------------------------------------------------- */
.site-footer {
  background: var(--ink);
  color: var(--sand-2);
  padding: var(--space-lg) 0 var(--space-md);
}
.site-footer__top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: var(--space-md);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid rgba(236, 228, 212, 0.15);
}
@media (max-width: 720px) { .site-footer__top { grid-template-columns: 1fr; } }

.site-footer .site-brand { color: var(--sand-2); font-size: 1.75rem; }
.site-footer__tagline {
  font-family: var(--display);
  font-style: italic;
  color: var(--sage);
  margin-top: 0.5rem;
}
.site-footer h4 {
  font-family: var(--body);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--sage);
  margin-bottom: var(--space-sm);
}
.site-footer p, .site-footer a { color: var(--sand-2); }
.site-footer a:hover { color: var(--olive-2); }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer ul li { margin-bottom: 0.5rem; font-size: 0.95rem; }

.site-footer__bottom {
  padding-top: var(--space-md);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-sm);
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  color: var(--sage);
}

/* Decorative mark — spine/axis motif */
.mark-spine {
  position: absolute;
  opacity: 0.08;
  pointer-events: 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;
}