/* ===== Kasia Stasiuk Fotografia — styl główny ===== */
:root {
  --bg: #faf7f4;
  --bg-hero: #f0ebe5;
  --text: #1f1d1b;
  --text-muted: #5c5650;
  --accent: #9a7b5e;
  --accent-soft: rgba(154, 123, 94, 0.15);
  --border: rgba(31, 29, 27, 0.08);
  --shadow: 0 8px 32px rgba(31, 29, 27, 0.06);
  --radius: 12px;
  --font-serif: 'Cormorant Garamond', Georgia, serif;
  --font-sans: 'Outfit', system-ui, sans-serif;
  --nav-height: 72px;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  font-weight: 300;
  padding-top: var(--nav-height);
}

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

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* ----- Nawigacja ----- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(250, 247, 244, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow 0.3s var(--ease-out);
}

.nav.scrolled {
  box-shadow: var(--shadow);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--text);
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 2rem;
}

.nav-links a {
  font-size: 0.95rem;
  font-weight: 400;
  color: var(--text-muted);
  transition: color 0.2s;
}

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

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  padding: 8px;
}

.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--text);
  transition: transform 0.3s var(--ease-out), opacity 0.3s;
}

.nav.open .nav-toggle span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}
.nav.open .nav-toggle span:nth-child(2) {
  opacity: 0;
}
.nav.open .nav-toggle span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }
  .nav-links {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--bg);
    flex-direction: column;
    padding: 2rem;
    gap: 1rem;
    border-bottom: 1px solid var(--border);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: transform 0.3s var(--ease-out), opacity 0.3s, visibility 0.3s;
  }
  .nav.open .nav-links {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  .nav-links a {
    font-size: 1.1rem;
  }
}

/* ----- Hero ----- */
.hero {
  position: relative;
  min-height: calc(100vh - var(--nav-height));
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 3rem 1.5rem;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: var(--bg-hero);
  background-image:
    radial-gradient(ellipse 80% 50% at 50% 0%, var(--accent-soft) 0%, transparent 55%),
    radial-gradient(ellipse 60% 40% at 80% 80%, var(--accent-soft) 0%, transparent 45%);
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 8vw, 4.5rem);
  font-weight: 600;
  letter-spacing: 0.02em;
  line-height: 1.15;
  margin-bottom: 0.75rem;
  animation: fadeUp 0.9s var(--ease-out) both;
}

.hero-tagline {
  font-size: clamp(1rem, 2.2vw, 1.25rem);
  color: var(--text-muted);
  font-weight: 400;
  margin-bottom: 2rem;
  animation: fadeUp 0.9s var(--ease-out) 0.1s both;
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.btn {
  display: inline-block;
  padding: 0.9rem 1.8rem;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--bg);
  background: var(--text);
  border-radius: 999px;
  transition: background 0.25s, transform 0.2s;
  animation: fadeUp 0.9s var(--ease-out) 0.2s both;
}

.btn:hover {
  background: var(--accent);
  transform: translateY(-2px);
}

.btn-contact {
  background: var(--accent);
  color: var(--bg);
}

.btn-contact:hover {
  background: var(--text);
}

.hero-scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.hero-scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--text-muted), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.4; transform: scaleY(0.6); }
  50% { opacity: 1; transform: scaleY(1); }
}

/* ----- Sekcje ----- */
.section {
  padding: 5rem 0;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.container-narrow {
  max-width: 560px;
  text-align: center;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 600;
  letter-spacing: 0.02em;
  margin-bottom: 0.5rem;
  color: var(--text);
}

.section-lead {
  color: var(--text-muted);
  font-size: 1.05rem;
  margin-bottom: 2.5rem;
}

/* ----- Galeria ----- */
.gallery-section {
  background: #fff;
}

.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
}

.gallery-item {
  position: relative;
  aspect-ratio: 4/5;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg-hero);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease-out);
}

.gallery-item:hover img {
  transform: scale(1.05);
}

.gallery-item::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.15) 0%, transparent 40%);
  pointer-events: none;
}

/* ----- Oferta ----- */
.offer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
}

.offer-card {
  padding: 2rem;
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  text-align: center;
  transition: box-shadow 0.3s, border-color 0.3s;
}

.offer-card:hover {
  box-shadow: var(--shadow);
  border-color: var(--accent-soft);
}

.offer-card-icon {
  font-size: 1.75rem;
  color: var(--accent);
  margin-bottom: 1rem;
  font-family: var(--font-serif);
}

.offer-card h3 {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text);
}

.offer-card p {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* ----- Kontakt ----- */
.contact-section {
  background: var(--bg-hero);
}

.contact-lead {
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  font-size: 1.05rem;
}

.contact-social {
  margin-top: 1.5rem;
}

.contact-social a {
  font-size: 0.95rem;
  color: var(--accent);
  font-weight: 500;
}

.contact-social a:hover {
  text-decoration: underline;
}

/* ----- Stopka ----- */
.footer {
  padding: 2rem 1.5rem;
  text-align: center;
  font-size: 0.875rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border);
}

/* ----- Lightbox ----- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(31, 29, 27, 0.95);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s, visibility 0.3s;
}

.lightbox[aria-hidden="false"] {
  opacity: 1;
  visibility: visible;
}

.lightbox-close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  width: 48px;
  height: 48px;
  font-size: 2rem;
  color: #fff;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: background 0.2s;
}

.lightbox-close:hover {
  background: rgba(255,255,255,0.15);
}

.lightbox-inner {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox-inner img {
  max-width: 100%;
  max-height: 85vh;
  object-fit: contain;
  border-radius: var(--radius);
}

.lightbox-prev,
.lightbox-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  font-size: 2.5rem;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: background 0.2s;
}

.lightbox-prev {
  left: -60px;
}

.lightbox-next {
  right: -60px;
}

@media (max-width: 900px) {
  .lightbox-prev { left: 0.5rem; }
  .lightbox-next { right: 0.5rem; }
}

.lightbox-prev:hover,
.lightbox-next:hover {
  background: rgba(255,255,255,0.15);
}

.lightbox-prev:disabled,
.lightbox-next:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}