/* Марта Сокіл — фотограф. Демо-стенд GuardLabs. */

:root{
  --bg: #141210;
  --bg-alt: #1b1815;
  --ink: #f3ede4;
  --ink-dim: #cfc4b4;
  --ink-mute: #9c8f7c;
  --accent: #c9a06a;
  --accent-light: #e8c98a;
  --line: rgba(243,237,228,0.12);
  --radius: 10px;
  --shadow: 0 20px 50px rgba(0,0,0,0.45);
  --maxw: 1180px;
  --font-serif: "Playfair Display", Georgia, "Times New Roman", serif;
  --font-sans: "Manrope", "Segoe UI", system-ui, -apple-system, sans-serif;
}

*, *::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; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
}

body{
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a{ color: inherit; }

.wrap{
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

.skip-link{
  position: absolute;
  left: -999px;
  top: auto;
  background: var(--accent);
  color: #14120f;
  padding: 12px 18px;
  border-radius: 8px;
  z-index: 200;
  font-weight: 600;
}
.skip-link:focus{
  left: 24px;
  top: 16px;
}

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

/* ---------- Header ---------- */
.site-header{
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 20px 0;
  transition: background 0.3s ease, padding 0.3s ease, box-shadow 0.3s ease;
}
.site-header.scrolled{
  background: rgba(20,18,16,0.88);
  backdrop-filter: blur(10px);
  padding: 12px 0;
  box-shadow: 0 8px 30px rgba(0,0,0,0.35);
}
.header-inner{
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo{
  font-family: var(--font-serif);
  font-size: 22px;
  letter-spacing: 0.02em;
  text-decoration: none;
  color: var(--ink);
}
.main-nav{
  display: flex;
  gap: 32px;
}
.main-nav a{
  text-decoration: none;
  font-size: 15px;
  color: var(--ink-dim);
  position: relative;
  padding: 4px 0;
}
.main-nav a:hover, .main-nav a:focus-visible{ color: var(--ink); }
.main-nav a::after{
  content: "";
  position: absolute;
  left: 0; right: 100%;
  bottom: 0;
  height: 1px;
  background: var(--accent);
  transition: right 0.25s ease;
}
.main-nav a:hover::after, .main-nav a:focus-visible::after{ right: 0; }

.nav-toggle{
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 8px;
  cursor: pointer;
}
.nav-toggle span{
  display: block;
  height: 2px;
  margin: 0 8px;
  background: var(--ink);
  border-radius: 2px;
}

@media (max-width: 780px){
  .nav-toggle{ display: flex; }
  .main-nav{
    position: fixed;
    inset: 0;
    top: 0;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 28px;
    background: rgba(15,13,11,0.98);
    transform: translateY(-100%);
    opacity: 0;
    transition: transform 0.3s ease, opacity 0.3s ease;
    pointer-events: none;
  }
  .main-nav.open{
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .main-nav a{ font-size: 22px; }
}

/* ---------- Hero ---------- */
.hero{
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero-bg{
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-overlay{
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(12,10,8,0.55) 0%, rgba(12,10,8,0.35) 45%, rgba(12,10,8,0.9) 100%);
}
.hero-content{
  position: relative;
  z-index: 2;
  padding-top: 80px;
}
.eyebrow{
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 12px;
  color: var(--accent-light);
  margin: 0 0 14px;
  font-weight: 600;
}
.hero h1{
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(44px, 8vw, 92px);
  margin: 0 0 18px;
  line-height: 1.02;
}
.hero-tagline{
  max-width: 560px;
  color: var(--ink-dim);
  font-size: clamp(16px, 2vw, 19px);
  margin: 0 0 34px;
}
.hero-actions{
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 600;
  font-size: 15px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}
.btn-primary{
  background: var(--accent);
  color: #17140f;
}
.btn-primary:hover, .btn-primary:focus-visible{
  background: var(--accent-light);
  transform: translateY(-2px);
  box-shadow: 0 10px 26px rgba(201,160,106,0.28);
}
.btn-ghost{
  background: transparent;
  border-color: var(--line);
  color: var(--ink);
}
.btn-ghost:hover, .btn-ghost:focus-visible{
  border-color: var(--accent);
  transform: translateY(-2px);
}
.btn-block{ width: 100%; }

.scroll-cue{
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  width: 26px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 20px;
  display: flex;
  justify-content: center;
  padding-top: 8px;
}
.scroll-cue span{
  width: 4px;
  height: 8px;
  border-radius: 3px;
  background: var(--accent-light);
  animation: scrollDown 1.8s ease-in-out infinite;
}
@keyframes scrollDown{
  0%{ transform: translateY(0); opacity: 1; }
  70%{ transform: translateY(14px); opacity: 0; }
  100%{ transform: translateY(0); opacity: 0; }
}

/* ---------- Sections ---------- */
.section{
  padding: 110px 0;
}
.section h2{
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(30px, 4vw, 46px);
  margin: 0 0 16px;
}
.section-lead{
  color: var(--ink-dim);
  max-width: 620px;
  font-size: 17px;
  margin: 0 0 48px;
}

/* ---------- Gallery ---------- */
.gallery{
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}
.gallery-item{
  position: relative;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  border-radius: var(--radius);
  border: none;
  padding: 0;
  cursor: pointer;
  background: var(--bg-alt);
}
.gallery-item img{
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.gallery-item:hover img, .gallery-item:focus-visible img{
  transform: scale(1.08);
}
.gallery-tag{
  position: absolute;
  left: 12px;
  bottom: 12px;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(15,13,11,0.7);
  backdrop-filter: blur(4px);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--ink);
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.25s ease, transform 0.25s ease;
}
.gallery-item:hover .gallery-tag,
.gallery-item:focus-visible .gallery-tag{
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 900px){
  .gallery{ grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 600px){
  .gallery{ grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .gallery-tag{ opacity: 1; transform: none; }
}

/* ---------- About ---------- */
.section-about{ background: var(--bg-alt); }
.about-grid{
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 64px;
  align-items: center;
}
.about-media img{
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.about-text p{
  color: var(--ink-dim);
  font-size: 16px;
}
.stats{
  display: flex;
  gap: 40px;
  margin-top: 36px;
  flex-wrap: wrap;
}
.stat{
  display: flex;
  flex-direction: column;
}
.stat-num{
  font-family: var(--font-serif);
  font-size: 34px;
  color: var(--accent-light);
}
.stat-label{
  font-size: 13px;
  color: var(--ink-mute);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: 4px;
}

@media (max-width: 860px){
  .about-grid{ grid-template-columns: 1fr; gap: 36px; }
  .about-media{ max-width: 360px; }
}

/* ---------- Contact ---------- */
.contact-grid{
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 64px;
}
.contact-list{
  list-style: none;
  margin: 36px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.contact-list li{
  display: flex;
  flex-direction: column;
  gap: 2px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 14px;
}
.contact-label{
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-mute);
}
.contact-list a{
  text-decoration: none;
  font-size: 17px;
}
.contact-list a:hover, .contact-list a:focus-visible{ color: var(--accent-light); }

.contact-form{
  background: var(--bg-alt);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 32px;
}
.demo-note{
  margin: 0 0 24px;
  padding: 12px 14px;
  border-radius: 8px;
  background: rgba(201,160,106,0.1);
  border: 1px solid rgba(201,160,106,0.25);
  color: var(--accent-light);
  font-size: 13.5px;
}
.field{
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.field label{
  font-size: 14px;
  color: var(--ink-dim);
}
.field input, .field textarea{
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  padding: 12px 14px;
  font-family: inherit;
  font-size: 15px;
  resize: vertical;
}
.field input:focus, .field textarea:focus{
  border-color: var(--accent);
}
.field input:invalid[data-touched="true"],
.field textarea:invalid[data-touched="true"]{
  border-color: #c96a5a;
}
.field-error{
  min-height: 16px;
  font-size: 12.5px;
  color: #e69a8c;
}
.form-status{
  margin: 16px 0 0;
  font-size: 14px;
  min-height: 20px;
  color: var(--accent-light);
}

@media (max-width: 860px){
  .contact-grid{ grid-template-columns: 1fr; gap: 40px; }
}

/* ---------- Footer ---------- */
.site-footer{
  border-top: 1px solid var(--line);
  padding: 30px 0 40px;
}
.footer-inner{
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: var(--ink-mute);
}
.footer-inner p{ margin: 0; }

/* ---------- Lightbox ---------- */
.lightbox{
  position: fixed;
  inset: 0;
  z-index: 300;
  background: rgba(10,9,7,0.94);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
}
.lightbox[hidden]{ display: none; }
.lightbox-frame{
  max-width: min(900px, 92vw);
  max-height: 86vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}
.lightbox-frame img{
  max-height: 76vh;
  width: auto;
  border-radius: 8px;
  box-shadow: var(--shadow);
}
.lightbox-caption{
  color: var(--ink-dim);
  font-size: 14px;
  margin: 0;
}
.lightbox-close, .lightbox-nav{
  position: absolute;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--line);
  color: var(--ink);
  border-radius: 50%;
  width: 48px;
  height: 48px;
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s ease, transform 0.2s ease;
}
.lightbox-close:hover, .lightbox-nav:hover{
  background: rgba(255,255,255,0.14);
}
.lightbox-close{ top: 24px; right: 24px; }
.lightbox-prev{ left: 24px; top: 50%; transform: translateY(-50%); }
.lightbox-next{ right: 24px; top: 50%; transform: translateY(-50%); }
.lightbox-prev:hover{ transform: translateY(-50%) translateX(-2px); }
.lightbox-next:hover{ transform: translateY(-50%) translateX(2px); }

@media (max-width: 640px){
  .lightbox{ padding: 16px; }
  .lightbox-close{ top: 12px; right: 12px; width: 40px; height: 40px; font-size: 20px; }
  .lightbox-nav{ width: 40px; height: 40px; font-size: 20px; }
  .lightbox-prev{ left: 8px; }
  .lightbox-next{ right: 8px; }
}