/* ==========================================================================
   FOTOAIR — Paweł Styczeń — stylesheet
   ========================================================================== */

:root {
  --color-ink: #121314;
  --color-ink-soft: #1c1e20;
  --color-paper: #faf8f5;
  --color-paper-alt: #f1ede7;
  --color-text: #1a1a1a;
  --color-text-muted: #5c5c5c;
  --color-text-inverse: #f5f3ef;
  --color-text-inverse-muted: #c9c6c0;
  --color-accent: #7a2323;
  --color-accent-light: #a8514c;
  --color-accent-dark: #4a1414;
  --color-border: #e3ddd3;
  --color-border-dark: #2c2e30;

  --font-heading: 'Space Grotesk', 'Segoe UI', sans-serif;
  --font-body: 'Inter', 'Segoe UI', sans-serif;

  --max-width: 1180px;
  --radius: 18px;
  --radius-sm: 10px;

  --shadow-soft: 0 10px 30px rgba(18, 19, 20, 0.08);
  --shadow-strong: 0 20px 45px rgba(18, 19, 20, 0.18);

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --transition: 0.25s var(--ease);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

::selection { background: var(--color-accent); color: #fff; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-paper);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.15;
  margin: 0 0 16px;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.5rem, 5vw, 3.8rem); font-weight: 600; }
h2 { font-size: clamp(1.9rem, 3.4vw, 2.6rem); }
h3 { font-size: 1.25rem; font-weight: 600; }

p { margin: 0 0 16px; color: var(--color-text-muted); }

a { color: inherit; text-decoration: none; }

ul { margin: 0; padding: 0; list-style: none; }

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

.eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 14px;
}

section { padding: 88px 0; }
@media (max-width: 720px) { section { padding: 56px 0; } }

.section-alt { background: var(--color-paper-alt); }
.section-dark {
  background: var(--color-ink);
  color: var(--color-text-inverse);
}
.section-dark p { color: var(--color-text-inverse-muted); }
.section-dark h2, .section-dark h3 { color: var(--color-text-inverse); }
.section-dark .eyebrow { color: var(--color-accent-light); }

.section-head {
  max-width: 640px;
  margin: 0 auto 48px;
  text-align: center;
}
.section-head.align-left { margin-left: 0; text-align: left; }

/* ---------- scroll-reveal (subtle) ---------- */
.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 15px 30px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform var(--transition), background var(--transition), color var(--transition), border-color var(--transition), box-shadow var(--transition);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--color-accent);
  color: #fff;
}
.btn-primary:hover { background: var(--color-accent-dark); }

.btn-outline {
  background: transparent;
  border-color: rgba(245, 243, 239, 0.4);
  color: var(--color-text-inverse);
}
.btn-outline:hover { border-color: var(--color-accent-light); color: var(--color-accent-light); }

.btn-dark {
  background: var(--color-ink);
  color: var(--color-text-inverse);
}
.btn-dark:hover { background: var(--color-ink-soft); }

.btn-block { width: 100%; justify-content: center; }

/* ---------- header ---------- */
/* Note: the blur/background live on ::before (not on .site-header itself),
   because backdrop-filter on an ancestor creates a containing block for
   position:fixed descendants — that would trap the mobile .nav-links panel
   inside the header's own box instead of the viewport. */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 300;
  padding: 22px 0;
  transition: padding var(--transition);
}
.site-header::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: rgba(18, 19, 20, 0.18);
  backdrop-filter: blur(10px) saturate(160%);
  -webkit-backdrop-filter: blur(10px) saturate(160%);
  border-bottom: 1px solid rgba(245, 243, 239, 0.08);
  transition: background var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.site-header.is-solid,
.site-header.is-static {
  padding: 14px 0;
}
.site-header.is-solid::before,
.site-header.is-static::before {
  background: rgba(18, 19, 20, 0.82);
  backdrop-filter: blur(14px) saturate(160%);
  -webkit-backdrop-filter: blur(14px) saturate(160%);
  border-color: rgba(245, 243, 239, 0.1);
  box-shadow: var(--shadow-soft);
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: 0.03em;
  color: var(--color-text-inverse);
}
.logo svg { flex-shrink: 0; }
.logo span.accent { color: var(--color-accent-light); }

.nav {
  display: flex;
  align-items: center;
  gap: 40px;
}
.nav-links { display: flex; gap: 32px; }
.nav-links a {
  color: var(--color-text-inverse-muted);
  font-size: 0.95rem;
  font-weight: 500;
  transition: color var(--transition);
  position: relative;
}
.nav-links a:hover, .nav-links a.is-active { color: var(--color-text-inverse); }
.nav-links a.is-active::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -8px;
  height: 2px;
  background: var(--color-accent-light);
}

.nav-cta { display: flex; align-items: center; gap: 18px; }
.nav-cta .phone {
  color: var(--color-text-inverse);
  font-weight: 600;
  font-size: 0.92rem;
  display: none;
}

.nav-toggle {
  display: none;
  position: relative;
  z-index: 210;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-text-inverse);
  transition: transform var(--transition), opacity var(--transition);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (min-width: 861px) {
  .nav-cta .phone { display: inline; }
}

@media (max-width: 860px) {
  .nav-links {
    position: fixed;
    top: 0;
    right: 0;
    height: 100vh;
    width: min(320px, 80vw);
    background: var(--color-ink);
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    gap: 26px;
    padding: 40px;
    z-index: 200;
    transform: translateX(100%);
    transition: transform var(--transition);
    box-shadow: var(--shadow-strong);
    visibility: hidden;
  }
  .nav-links.is-open { transform: translateX(0); visibility: visible; }
  .nav-links a { font-size: 1.1rem; }
  .nav-toggle { display: flex; }
  .nav-cta { display: none; }

  .nav-scrim {
    content: "";
    position: fixed;
    inset: 0;
    z-index: 190;
    background: rgba(10, 10, 10, 0.4);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition);
  }
  .nav-scrim.is-open { opacity: 1; pointer-events: auto; }
}
@media (min-width: 861px) {
  .nav-scrim { display: none; }
}

/* ---------- hero ---------- */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  color: var(--color-text-inverse);
  background: linear-gradient(180deg, rgba(18,19,20,0.55) 0%, rgba(18,19,20,0.75) 60%, rgba(18,19,20,0.92) 100%),
    url('https://picsum.photos/seed/fotoair-hero/1800/1100') center/cover no-repeat;
  padding-top: 140px;
}
.hero-content { max-width: 720px; }
.hero .rating {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(245, 243, 239, 0.1);
  border: 1px solid rgba(245, 243, 239, 0.2);
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 0.85rem;
  margin-bottom: 24px;
}
.hero .rating .stars { color: var(--color-accent-light); letter-spacing: 2px; }
.hero p.lead {
  font-size: 1.15rem;
  color: var(--color-text-inverse-muted);
  max-width: 560px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 28px; }

.page-hero {
  position: relative;
  padding: 190px 0 90px;
  color: var(--color-text-inverse);
  background: linear-gradient(180deg, rgba(18,19,20,0.72), rgba(18,19,20,0.88)),
    var(--hero-image, url('https://picsum.photos/seed/fotoair-page/1800/700')) center/cover no-repeat;
  text-align: center;
}
.page-hero .eyebrow { color: var(--color-accent-light); }
.page-hero p { color: var(--color-text-inverse-muted); max-width: 620px; margin-left: auto; margin-right: auto; }

/* ---------- about / mission ---------- */
.split {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 64px;
  align-items: center;
}
@media (max-width: 860px) {
  .split { grid-template-columns: 1fr; gap: 36px; }
}
.split img {
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 4/3;
}
.split.reverse { direction: rtl; }
.split.reverse > * { direction: ltr; }

.stat-row {
  display: flex;
  gap: 40px;
  margin-top: 32px;
  flex-wrap: wrap;
}
.stat-row .stat strong {
  display: block;
  font-family: var(--font-heading);
  font-size: 1.8rem;
  color: var(--color-accent);
}
.stat-row .stat span {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* ---------- service cards ---------- */
.grid {
  display: grid;
  gap: 28px;
}
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 900px) {
  .grid-3 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
}

.card {
  position: relative;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 34px 28px;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-soft);
  border-color: var(--color-accent-light);
}
.card .icon {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: rgba(122, 35, 35, 0.12);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.card h3 { margin-bottom: 10px; }
.card p { margin-bottom: 0; }
.card a.card-link {
  display: inline-block;
  margin-top: 16px;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-accent-dark);
}

.section-dark .card {
  background: var(--color-ink-soft);
  border-color: var(--color-border-dark);
}
.section-dark .card p { color: var(--color-text-inverse-muted); }
.section-dark .card:hover { border-color: var(--color-accent); }

/* numbered service cards (uslugi.html) — quiet editorial index */
.grid-numbered { counter-reset: service; }
.grid-numbered .card { counter-increment: service; }
.grid-numbered .card::before {
  content: counter(service, decimal-leading-zero);
  position: absolute;
  top: 22px;
  right: 24px;
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-border);
}

/* ---------- testimonials ---------- */
.testimonial {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px;
  height: 100%;
  display: flex;
  flex-direction: column;
}
.testimonial .stars { color: var(--color-accent); letter-spacing: 2px; margin-bottom: 16px; }
.testimonial blockquote {
  margin: 0 0 20px;
  font-size: 1.05rem;
  color: var(--color-text);
  font-style: italic;
}
.testimonial .author {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: auto;
}
.testimonial .avatar {
  width: 44px; height: 44px; border-radius: 50%;
  object-fit: cover;
  background: var(--color-paper-alt);
}
.testimonial .author strong { display: block; font-size: 0.95rem; }
.testimonial .author span { font-size: 0.82rem; color: var(--color-text-muted); }

.rating-banner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin-bottom: 8px;
}
.rating-banner .stars { color: var(--color-accent); font-size: 1.4rem; letter-spacing: 3px; }
.rating-banner strong { font-family: var(--font-heading); font-size: 1.4rem; }

/* ---------- portfolio ---------- */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
@media (max-width: 900px) { .portfolio-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .portfolio-grid { grid-template-columns: 1fr; } }

.portfolio-item {
  position: relative;
  border-radius: var(--radius-sm);
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 4/3;
  background: var(--color-paper-alt);
}
.portfolio-item img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.4s ease;
}
.portfolio-item:hover img { transform: scale(1.06); }
.portfolio-item .tag {
  position: absolute;
  left: 14px; bottom: 14px;
  background: rgba(18, 19, 20, 0.72);
  color: var(--color-text-inverse);
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
}

.filter-bar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 40px;
}
.filter-btn {
  padding: 9px 20px;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: #fff;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all var(--transition);
}
.filter-btn:hover { border-color: var(--color-accent); color: var(--color-accent-dark); }
.filter-btn.is-active {
  background: var(--color-ink);
  border-color: var(--color-ink);
  color: var(--color-text-inverse);
}

/* lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(10, 10, 10, 0.92);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 500;
  padding: 40px;
}
.lightbox.is-open { display: flex; }
.lightbox img { max-width: 100%; max-height: 84vh; border-radius: var(--radius-sm); }
.lightbox .close {
  position: absolute;
  top: 26px; right: 30px;
  background: none;
  border: none;
  color: #fff;
  font-size: 2rem;
  cursor: pointer;
  line-height: 1;
}
.lightbox .caption {
  position: absolute;
  bottom: 30px;
  color: var(--color-text-inverse-muted);
  font-size: 0.9rem;
}

/* ---------- CTA banner ---------- */
.cta-banner {
  background: var(--color-ink);
  color: var(--color-text-inverse);
  border-radius: var(--radius);
  padding: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}
.cta-banner h2 { margin-bottom: 8px; }
.cta-banner p { margin-bottom: 0; }

/* ---------- contact page ---------- */
.contact-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}
@media (max-width: 900px) { .contact-wrap { grid-template-columns: 1fr; } }

.contact-form {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 36px;
  box-shadow: var(--shadow-soft);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 520px) { .form-row { grid-template-columns: 1fr; } }

.field { margin-bottom: 20px; }
.field label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--color-text);
}
.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 13px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.95rem;
  background: var(--color-paper);
  color: var(--color-text);
  transition: border-color var(--transition);
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--color-accent);
}
.field textarea { resize: vertical; min-height: 130px; }
.field-hint { font-size: 0.78rem; color: var(--color-text-muted); margin-top: 6px; }
.honeypot { position: absolute; left: -9999px; opacity: 0; height: 0; }

.form-status {
  margin-top: 16px;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  display: none;
}
.form-status.is-visible { display: block; }
.form-status.success { background: #e9f4ea; color: #2c5f34; }
.form-status.error { background: #fbe9e7; color: #8a3122; }

.contact-info-card {
  background: var(--color-ink);
  color: var(--color-text-inverse);
  border-radius: var(--radius);
  padding: 36px;
}
.contact-info-card h3 { color: var(--color-text-inverse); }
.info-list { margin-bottom: 28px; }
.info-list li {
  display: flex;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--color-border-dark);
  align-items: flex-start;
}
.info-list li:last-child { border-bottom: none; }
.info-list .ico {
  color: var(--color-accent-light);
  flex-shrink: 0;
  margin-top: 2px;
}
.info-list strong { display: block; font-size: 0.95rem; }
.info-list span, .info-list a { font-size: 0.88rem; color: var(--color-text-inverse-muted); }
.info-list a:hover { color: var(--color-accent-light); }

.social-row { display: flex; gap: 12px; }
.social-row a {
  width: 42px; height: 42px;
  border-radius: 50%;
  border: 1px solid rgba(245, 243, 239, 0.25);
  display: flex; align-items: center; justify-content: center;
  transition: all var(--transition);
}
.social-row a:hover { background: var(--color-accent); border-color: var(--color-accent); color: #fff; }

.map-embed {
  border-radius: var(--radius);
  overflow: hidden;
  margin-top: 24px;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-soft);
}
.map-embed iframe { width: 100%; height: 320px; border: 0; display: block; }

/* ---------- footer ---------- */
.site-footer {
  background: var(--color-ink);
  color: var(--color-text-inverse-muted);
  padding: 64px 0 28px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}
@media (max-width: 720px) {
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
}
.footer-grid h4 {
  color: var(--color-text-inverse);
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 18px;
}
.footer-grid p { font-size: 0.9rem; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { font-size: 0.9rem; transition: color var(--transition); }
.footer-links a:hover { color: var(--color-accent-light); }
.footer-bottom {
  border-top: 1px solid var(--color-border-dark);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.82rem;
}

/* ---------- utility ---------- */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.notice-banner {
  background: var(--color-ink);
  color: var(--color-text-inverse-muted);
  text-align: center;
  font-size: 0.85rem;
  padding: 10px 16px;
  border-bottom: 1px solid var(--color-border-dark);
}
.notice-banner a { color: var(--color-accent-light); }
.notice-banner a { text-decoration: underline; font-weight: 600; }