/* ==========================================================
   NAIL THERAPY — DESIGN TOKENS
   ========================================================== */
:root{
  --ivory:      #F7F3EC;
  --white:      #FFFFFF;
  --ink:        #1B1815;
  --charcoal:   #211E1B;
  --black-deep: #14120F;
  --gold:       #B08D57;
  --gold-light: #D8C39C;
  --line:       rgba(27,24,21,0.12);
  --line-dark:  rgba(216,195,156,0.25);

  --font-serif: 'Cormorant Garamond', serif;
  --font-sans:  'Jost', sans-serif;

  --container: 1240px;
  --gap: clamp(1.5rem, 4vw, 3rem);
  --section-pad: clamp(5rem, 10vw, 9rem);

  --ease: cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *,*::before,*::after{ animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

body{
  margin:0;
  font-family: var(--font-sans);
  font-weight: 300;
  color: var(--ink);
  background: var(--ivory);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
h1,h2,h3{ font-family: var(--font-serif); font-weight: 500; margin:0; color:inherit; }
p{ margin:0 0 1rem; }
ul{ margin:0; padding:0; list-style:none; }
button{ font-family:inherit; background:none; border:none; cursor:pointer; color:inherit; }

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

.container{
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 clamp(1.5rem, 5vw, 3rem);
}

.section{ padding: var(--section-pad) 0; }
.section-heading{
  font-size: clamp(2rem, 4vw, 2.75rem);
  margin-bottom: clamp(2rem, 5vw, 3.5rem);
  text-align:center;
}
.section-heading.light{ color: var(--ivory); }
.section-sub{
  text-align:center;
  margin-top: -2rem;
  margin-bottom: 3rem;
  font-size: 0.95rem;
  letter-spacing: 0.03em;
}
.section-sub.light{ color: var(--gold-light); }

.eyebrow-quiet{
  font-size: 0.75rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--gold-light);
  margin-bottom: 1.25rem;
}

/* Reveal-on-scroll (very subtle) */
.reveal{
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .9s var(--ease), transform .9s var(--ease);
}
.reveal.is-visible{ opacity:1; transform:none; }

/* ==========================================================
   BUTTONS
   ========================================================== */
.btn{
  display:inline-block;
  padding: 0.95rem 2.1rem;
  font-family: var(--font-sans);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  border: 1px solid transparent;
  transition: background .35s var(--ease), color .35s var(--ease), border-color .35s var(--ease);
}
.btn-gold{
  background: var(--gold);
  color: var(--white);
  border-color: var(--gold);
}
.btn-gold:hover{ background: transparent; color: var(--gold); }
.btn-ghost{
  border-color: var(--ink);
  color: var(--ink);
}
.btn-ghost:hover{ background: var(--ink); color: var(--ivory); }
.btn-ghost-light{
  border-color: var(--gold-light);
  color: var(--gold-light);
}
.btn-ghost-light:hover{ background: var(--gold-light); color: var(--black-deep); }
.btn-nav{ padding: 0.7rem 1.6rem; }

/* ==========================================================
   HEADER / NAV
   ========================================================== */
.site-header{
  position: fixed;
  top:0; left:0; right:0;
  z-index: 100;
  background: transparent;
  transition: background .4s var(--ease), box-shadow .4s var(--ease);
}
.site-header.scrolled{
  background: rgba(247,243,236,0.94);
  backdrop-filter: blur(6px);
  box-shadow: 0 1px 0 var(--line);
}
.header-inner{
  max-width: var(--container);
  margin: 0 auto;
  padding: 1.4rem clamp(1.5rem, 5vw, 3rem);
  display:flex;
  align-items:center;
  gap: 2rem;
}
.logo-mark{
  font-family: var(--font-serif);
  font-size: 1.35rem;
  letter-spacing: 0.05em;
  color: var(--ivory);
  transition: color .4s var(--ease);
}
.site-header.scrolled .logo-mark{ color: var(--ink); }

.main-nav{
  display:flex;
  gap: clamp(1.2rem, 3vw, 2.4rem);
  margin: 0 auto 0 3rem;
}
.main-nav a{
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ivory);
  position:relative;
  padding-bottom: 4px;
  transition: color .4s var(--ease);
}
.site-header.scrolled .main-nav a{ color: var(--ink); }
.main-nav a::after{
  content:"";
  position:absolute; left:0; bottom:0;
  width:0; height:1px;
  background: var(--gold);
  transition: width .35s var(--ease);
}
.main-nav a:hover::after{ width:100%; }

.menu-toggle{
  display:none;
  flex-direction:column;
  gap:5px;
  width: 26px;
  margin-left:auto;
}
.menu-toggle span{
  display:block;
  height:1px;
  background: var(--ivory);
  transition: background .4s var(--ease);
}
.site-header.scrolled .menu-toggle span{ background: var(--ink); }

.mobile-menu{
  position: fixed;
  inset: 0;
  background: var(--black-deep);
  z-index: 99;
  display:flex;
  align-items:center;
  justify-content:center;
  opacity:0;
  visibility:hidden;
  transform: translateY(-8px);
  transition: opacity .4s var(--ease), transform .4s var(--ease), visibility .4s;
}
.mobile-menu.open{ opacity:1; visibility:visible; transform:none; }
.mobile-menu nav{ display:flex; flex-direction:column; align-items:center; gap: 2rem; }
.mobile-menu a{
  font-family: var(--font-serif);
  font-size: 1.6rem;
  color: var(--ivory);
}
.mobile-menu a.btn{ font-family: var(--font-sans); font-size: 0.8rem; margin-top: 1rem; }

/* ==========================================================
   HERO
   ========================================================== */
.hero{
  position: relative;
  min-height: 100svh;
  display:flex;
  align-items:center;
  justify-content:center;
  text-align:center;
  overflow:hidden;
  background:
    radial-gradient(ellipse at 30% 20%, rgba(176,141,87,0.16), transparent 55%),
    radial-gradient(ellipse at 75% 80%, rgba(176,141,87,0.10), transparent 50%),
    linear-gradient(160deg, var(--black-deep) 0%, var(--charcoal) 55%, #1a1713 100%);
}
/* Optional real photo hook — TODO(5): set background-image here once a
   photograph is available, the dark gradient above will still sit on
   top as an overlay for text legibility. Example:
   .hero{ background-image: url('../images/hero.jpg'); background-size: cover; background-position:center; } */
.hero-glow{
  position:absolute;
  width: 60vw; height: 60vw;
  max-width: 900px; max-height: 900px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(216,195,156,0.14) 0%, transparent 70%);
  top: 50%; left: 50%;
  transform: translate(-50%,-50%);
  filter: blur(10px);
  pointer-events:none;
}
.hero-content{
  position:relative;
  z-index:2;
  padding: 0 1.5rem;
  max-width: 760px;
}
.hero h1{
  font-size: clamp(3.2rem, 10vw, 6.2rem);
  letter-spacing: 0.03em;
  color: var(--ivory);
  line-height: 1;
}
.hero-claim{
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(1.15rem, 2.4vw, 1.5rem);
  color: var(--gold-light);
  margin-top: 1.4rem;
  margin-bottom: 1rem;
}
.hero-text{
  color: rgba(247,243,236,0.75);
  font-size: 1rem;
  max-width: 480px;
  margin-left:auto; margin-right:auto;
}
.hero-actions{
  display:flex;
  gap: 1.2rem;
  justify-content:center;
  flex-wrap:wrap;
  margin-top: 2.2rem;
}
.hero .btn-ghost{ border-color: var(--gold-light); color: var(--gold-light); }
.hero .btn-ghost:hover{ background: var(--gold-light); color: var(--black-deep); }

.scroll-hint{
  position:absolute;
  bottom: 2.4rem; left:50%;
  transform: translateX(-50%);
  z-index:2;
}
.scroll-hint span{
  display:block;
  width:1px; height: 46px;
  background: linear-gradient(var(--gold-light), transparent);
  animation: scrollpulse 2.4s ease-in-out infinite;
}
@keyframes scrollpulse{
  0%,100%{ opacity:.25; }
  50%{ opacity: 1; }
}

/* ==========================================================
   ABOUT
   ========================================================== */
.about-grid{
  display:grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(2.5rem, 6vw, 6rem);
  align-items:center;
}
.about-text h2{ font-size: clamp(2rem,4vw,2.75rem); margin-bottom: 1.5rem; }
.about-text p{ max-width: 52ch; }
.about-quote{
  position:relative;
  padding-left: clamp(1.5rem, 3vw, 2.5rem);
}
.quote-line{
  position:absolute; left:0; top: 0.3rem;
  width:1px; height: calc(100% - 0.6rem);
  background: var(--gold);
}
.about-quote p{
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  color: var(--ink);
  margin:0;
}

/* ==========================================================
   SERVICES
   ========================================================== */
.services-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.service-card{
  background: var(--ivory);
  padding: clamp(2rem, 4vw, 2.8rem) clamp(1.5rem, 3vw, 2rem);
  transition: background .4s var(--ease);
}
.service-card:hover{ background: var(--white); }
.service-icon{ display:inline-block; width: 34px; height: 34px; margin-bottom: 1.4rem; }
.service-icon svg{ width:100%; height:100%; fill:none; stroke: var(--gold); stroke-width: 1.1; }
.service-icon svg circle{ fill: var(--gold); stroke:none; }
.service-card h3{ font-size: 1.3rem; margin-bottom: 0.6rem; }
.service-card p{ font-size: 0.92rem; color: rgba(27,24,21,0.7); margin-bottom: 1.2rem; }
.service-price{
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--gold);
  text-transform: uppercase;
}

.service-list{ margin-top: 0.4rem; }
.service-list li{
  display:flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.92rem;
}
.service-list li:last-child{ border-bottom: none; }
.service-list li span:first-child{ color: rgba(27,24,21,0.75); }
.service-list li span:last-child{
  color: var(--gold);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  white-space: nowrap;
}
.services-note{
  text-align:center;
  margin-top: clamp(2rem, 4vw, 3rem);
  font-size: 0.8rem;
  letter-spacing: 0.03em;
  color: rgba(27,24,21,0.55);
}

/* ==========================================================
   DARK BLOCK — GALÉRIA (kurátorský výber reálnych fotiek)
   ========================================================== */
.dark-block{
  background: var(--black-deep);
  color: var(--ivory);
}

.gallery-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.8rem;
}
.gallery-item{
  position:relative;
  overflow:hidden;
  min-width: 0;
  min-height: 0;
  aspect-ratio: 1 / 1;
  background: linear-gradient(135deg, #2a2620, #171512);
}
.gallery-item img{
  width:100%; height:100%; object-fit:cover;
  transition: transform .7s var(--ease);
}
.gallery-item:hover img{ transform: scale(1.06); }
.gallery-item::after{
  content:"";
  position:absolute; inset:0;
  background: rgba(20,18,15,0.14);
  transition: background .4s var(--ease);
}
.gallery-item:hover::after{ background: rgba(20,18,15,0.02); }

/* ==========================================================
   STAY CONNECTED
   ========================================================== */
.connect-inner{ text-align:center; }
.social-links{ display:flex; justify-content:center; gap: 1.6rem; margin-top: 1rem; }
.social-links a{
  width: 42px; height: 42px;
  border: 1px solid var(--line);
  border-radius: 50%;
  display:flex; align-items:center; justify-content:center;
  transition: border-color .35s var(--ease), transform .35s var(--ease);
}
.social-links a:hover{ border-color: var(--gold); transform: translateY(-2px); }
.social-links svg{ width: 18px; height: 18px; fill: var(--ink); }
.social-links-dark a{ border-color: var(--line-dark); }
.social-links-dark svg{ fill: var(--ivory); }

/* ==========================================================
   WHY NAIL THERAPY
   ========================================================== */
.why-grid{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(1.5rem, 3vw, 2.5rem);
  text-align:center;
}
.why-icon{ display:inline-block; width: 36px; height:36px; margin-bottom: 1.2rem; }
.why-icon svg{ width:100%; height:100%; fill:none; stroke: var(--gold); stroke-width: 1; }
.why-item h3{ font-size: 1.15rem; margin-bottom: 0.4rem; }
.why-item p{ font-size: 0.9rem; color: rgba(27,24,21,0.65); margin:0; }

/* ==========================================================
   CTA BAND
   ========================================================== */
.cta-band{
  background: var(--charcoal);
  color: var(--ivory);
  text-align:center;
}
.cta-band h2{ font-size: clamp(1.9rem, 4vw, 2.6rem); margin-bottom: 1rem; }
.cta-band p{ color: var(--gold-light); margin-bottom: 2rem; }

/* ==========================================================
   CONTACT
   ========================================================== */
.contact-grid{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2.5rem, 6vw, 6rem);
  align-items:center;
}
.contact-details h2{ margin-bottom: 1.8rem; }
.contact-details dl div{ display:flex; gap: 0.5rem; padding: 0.6rem 0; border-bottom: 1px solid var(--line); }
.contact-details dt{ width: 40%; font-size: 0.8rem; letter-spacing:0.05em; text-transform:uppercase; color: var(--gold); }
.contact-details dd{ margin:0; }
.contact-details .social-links{ justify-content:flex-start; margin: 1.6rem 0 2rem; }
.contact-visual{
  aspect-ratio: 4/5;
  background: linear-gradient(150deg, #efe9df, #d9cdb6 60%, #b08d57);
  opacity: 0.85;
}

/* ==========================================================
   FOOTER
   ========================================================== */
.site-footer{
  background: var(--black-deep);
  color: rgba(247,243,236,0.65);
  padding: 3.5rem 0 2.5rem;
}
.footer-inner{ display:flex; flex-direction:column; align-items:center; gap: 1.2rem; text-align:center; }
.footer-logo{ color: var(--ivory); font-size: 1.4rem; }
.footer-domain{ font-size: 0.8rem; letter-spacing:0.1em; margin:0; }
.footer-copy{ font-size: 0.78rem; margin:0; }
.footer-legal{ font-size: 0.72rem; color: rgba(247,243,236,0.4); margin:0; max-width: 46ch; }
.footer-links{ display:flex; gap: 1.5rem; flex-wrap:wrap; justify-content:center; }
.footer-links a{ font-size: 0.75rem; color: rgba(247,243,236,0.55); }
.footer-links a:hover{ color: var(--gold-light); }

/* ==========================================================
   LIGHTBOX
   ========================================================== */
.lightbox{
  position: fixed; inset:0;
  background: rgba(20,18,15,0.94);
  display:flex; flex-direction:column; align-items:center; justify-content:center;
  z-index: 200;
  opacity:0; visibility:hidden;
  transition: opacity .35s var(--ease), visibility .35s;
  padding: 2rem;
}
.lightbox.open{ opacity:1; visibility:visible; }
.lightbox img{ max-width: 88vw; max-height: 78vh; object-fit:contain; }
.lightbox-caption{ color: var(--gold-light); margin-top: 1rem; font-size: 0.85rem; letter-spacing:0.05em; }
.lightbox-close{
  position:absolute; top: 1.6rem; right: 1.6rem;
  color: var(--ivory); font-size: 2rem; line-height:1;
}

/* ==========================================================
   RESPONSIVE
   ========================================================== */
@media (max-width: 900px){
  .main-nav, .btn-nav{ display:none; }
  .menu-toggle{ display:flex; }

  .about-grid, .contact-grid{ grid-template-columns: 1fr; }
  .contact-visual{ display:none; }

  .services-grid{ grid-template-columns: 1fr; }
  .why-grid{ grid-template-columns: 1fr 1fr; }

  .gallery-grid{ grid-template-columns: repeat(2, 1fr); }
}

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