@font-face {
  font-family: 'Perpetua';
  src: url('font/Perpetua.ttf') format('truetype');
}

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

:root {
  --white: #ffffff;
  --white-dim: #aaaaaa;
  --cream: #e8e8e8;
  --bg: #0a0908;
  --bg2: #100f0e;
  --silk: #cccccc;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--cream);
  font-family: 'Segoe UI', system-ui, sans-serif;
  font-size: 1.1rem;
  overflow-x: hidden;
}

h1,
h2,
h3,
.section-title,
.nav-brand-name,
.feat-title,
.btn-primary,
.btn-secondary,
.btn-download,
.version-note {
  font-family: 'Perpetua', Georgia, serif;
}

/* ────────────────── NAV ────────────────── */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 64px;
  height: 76px;
  background: linear-gradient(180deg, rgba(10, 9, 8, 0.75) 0%, transparent 100%);
  transition: background 0.35s, backdrop-filter 0.35s;
}

nav.scrolled {
  background: rgba(10, 9, 8, 0.93);
  backdrop-filter: blur(14px);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.nav-brand img {
  height: 34px;
  filter: brightness(0) invert(1);
  opacity: 0.75;
}

.nav-brand-name {
  font-size: 0.8rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--white);
  opacity: 0.7;
}

.nav-icons {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-icons a {
  color: var(--white-dim);
  opacity: 0.55;
  display: flex;
  align-items: center;
  transition: opacity 0.2s;
}

.nav-icons a:hover {
  opacity: 1;
}

.nav-icons svg {
  width: 24px;
  height: 24px;
  fill: currentColor;
}

/* ────────────────── HERO ────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: url('images/Hornet_banner_wide-1.webp') center/cover no-repeat;
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg,
      rgba(10, 9, 8, 0.96) 0%,
      rgba(10, 9, 8, 0.82) 38%,
      rgba(10, 9, 8, 0.25) 65%,
      transparent 100%),
    linear-gradient(180deg, transparent 55%, rgba(10, 9, 8, 1) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  padding: 160px 80px 100px;
  max-width: 720px;
}

.hero-logo {
  width: 380px;
  max-width: 100%;
  margin-bottom: 22px;
  filter: drop-shadow(0 4px 24px rgba(0, 0, 0, 0.5));
}

.hero-tagline {
  font-size: 1.15rem;
  color: var(--silk);
  line-height: 1.75;
  margin-bottom: 36px;
  opacity: 0.85;
}

.hero-buttons {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 16px 36px;
  background: var(--white);
  color: var(--bg);
  font-size: 0.9rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  text-decoration: none;
  transition: background 0.18s, transform 0.15s;
}

.btn-primary:hover {
  background: #d8d8d8;
  transform: translateY(-1px);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 16px 36px;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: var(--white);
  font-size: 0.9rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  text-decoration: none;
  transition: background 0.18s, border-color 0.18s;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(255, 255, 255, 0.65);
}



/* ────────────────── SHARED SECTION ────────────────── */
.section {
  max-width: 1280px;
  margin: 0 auto;
  padding: 100px 64px;
}

.section-title {
  font-size: 1.25rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--white);
  opacity: 0.85;
  margin-bottom: 10px;
}

.section-rule {
  width: 56px;
  height: 1px;
  background: rgba(255, 255, 255, 0.28);
  margin-bottom: 44px;
}

/* ────────────────── O PROJEKCIE ────────────────── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.about-text p {
  font-size: 1.05rem;
  line-height: 1.85;
  color: var(--silk);
  margin-bottom: 16px;
}

.about-text p:last-child {
  margin-bottom: 0;
}

.about-text strong {
  color: var(--white);
  font-weight: 500;
}

.about-image {
  position: relative;
  overflow: hidden;
}

.about-image img {
  width: 100%;
  display: block;
  filter: brightness(0.8) saturate(0.9);
}

.about-image::after {
  content: '';
  position: absolute;
  inset: 0;
  border: 1px solid rgba(255, 255, 255, 0.1);
  pointer-events: none;
}

/* ────────────────── CAROUSEL ────────────────── */
.carousel {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 4px;
}

.carousel-inner {
  display: flex;
  transition: transform 0.4s ease-in-out;
}

.carousel-item {
  min-width: 100%;
}

.carousel-item img {
  width: 100%;
  display: block;
  filter: brightness(0.9) saturate(0.95);
}

.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0, 0, 0, 0.5);
  color: white;
  border: none;
  width: 46px;
  height: 46px;
  cursor: pointer;
  font-size: 1.3rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
}

.carousel-btn:hover {
  background: rgba(0, 0, 0, 0.8);
}

.carousel-btn.prev {
  left: 12px;
}

.carousel-btn.next {
  right: 12px;
}

.carousel-indicators {
  position: absolute;
  bottom: 12px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
}

.indicator {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  cursor: pointer;
  transition: background 0.2s;
}

.indicator.active {
  background: rgba(255, 255, 255, 0.9);
}


/* ────────────────── POBIERZ ────────────────── */
.download-section {
  background: var(--bg2);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.download-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.btn-download {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 40px 24px;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.13);
  color: var(--white);
  font-size: 0.92rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  text-decoration: none;
  position: relative;
  transition: background 0.2s, border-color 0.2s;
}

.btn-download::before {
  content: '';
  position: absolute;
  inset: 3px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  pointer-events: none;
}

.btn-download:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.45);
}

.btn-download svg {
  width: 32px;
  height: 32px;
  fill: currentColor;
  opacity: 0.55;
}

.download-hint {
  display: block;
  text-align: center;
  margin: -12px 0 32px;
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--white-dim);
  opacity: 0.55;
  font-family: 'Perpetua', Georgia, serif;
}

.version-note {
  display: block;
  margin-top: 28px;
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  color: var(--white-dim);
  opacity: 0.32;
  text-transform: uppercase;
}

/* ────────────────── INSTALACJA ────────────────── */
.install-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  padding: 40px 24px;
  background: var(--bg2);
  border: 1px solid rgba(255, 255, 255, 0.08);
  position: relative;
  text-align: center;
}

.install-step::before {
  content: '';
  position: absolute;
  inset: 3px;
  border: 1px dashed rgba(255, 255, 255, 0.05);
  pointer-events: none;
}

.install-step svg {
  width: 36px;
  height: 36px;
  fill: currentColor;
  opacity: 0.65;
  margin-bottom: 8px;
}

.step-title {
  font-size: 1.05rem;
  color: var(--white);
  font-weight: 500;
  font-family: 'Perpetua', Georgia, serif;
}

.step-text {
  font-size: 0.91rem;
  color: var(--silk);
  line-height: 1.55;
  opacity: 0.65;
}

.support-box {
  margin-top: 80px;
  padding: 64px 48px;
  background: var(--bg2);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 8px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.support-title {
  font-size: 1.5rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 16px;
  opacity: 0.95;
}

.support-subtitle {
  font-size: 1.05rem;
  color: var(--silk);
  opacity: 0.7;
  margin-bottom: 36px;
  max-width: 600px;
  line-height: 1.6;
}

/* ── HISTORIA ZMIAN ── */
.changelog-section {
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.timeline {
  display: flex;
  flex-direction: column;
  max-width: 800px;
  margin: 0 auto;
}

.checkpoint {
  display: flex;
  gap: 32px;
}

.checkpoint-marker {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex-shrink: 0;
}

.checkpoint-dot {
  width: 12px;
  height: 12px;
  background: var(--white);
  border-radius: 50%;
  box-shadow: 0 0 15px rgba(255, 255, 255, 0.4);
  position: relative;
  z-index: 2;
  margin-top: 8px;
}

.checkpoint-line {
  width: 1px;
  flex-grow: 1;
  background: rgba(255, 255, 255, 0.15);
  margin: 4px 0;
}

.checkpoint-content {
  padding-bottom: 48px;
}

.checkpoint-version {
  font-family: 'Perpetua', Georgia, serif;
  font-size: 1.4rem;
  color: var(--white);
  margin-bottom: 14px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.checkpoint-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 0;
}

.checkpoint-list li {
  color: var(--silk);
  font-size: 1rem;
  line-height: 1.6;
  position: relative;
  padding-left: 24px;
  opacity: 0.85;
}

.checkpoint-list li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: rgba(255, 255, 255, 0.35);
}

.checkpoint:last-child .checkpoint-content {
  padding-bottom: 0;
}


/* ────────────────── TWÓRCY ────────────────── */
/* ────────────────── TWÓRCY ────────────────── */
.credits-section {
  background: var(--bg2);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.credits-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 32px;
}

.credits-group-title {
  font-family: 'Perpetua', Georgia, serif;
  font-size: 0.8rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--white);
  opacity: 0.38;
  margin-bottom: 18px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}

.credits-list {
  list-style: none;
}

.credits-list li {
  padding: 6px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.credits-list li:last-child {
  border-bottom: none;
}

.credits-name {
  display: block;
  font-size: 1.05rem;
  color: var(--cream);
}

.credits-role {
  display: block;
  font-size: 0.82rem;
  color: var(--white-dim);
  opacity: 0.42;
  margin-top: 2px;
  line-height: 1.4;
}

/* ────────────────── FOOTER ────────────────── */
footer {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding: 36px 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-line {
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  color: var(--white-dim);
  opacity: 0.32;
}

.footer-line a {
  color: var(--white-dim);
  text-decoration: none;
  transition: opacity 0.2s;
}

.footer-line a:hover {
  opacity: 1;
}

.footer-sep {
  margin: 0 8px;
}

.footer-legal {
  font-size: 0.75rem;
  color: var(--white-dim);
  opacity: 0.22;
  text-align: right;
  line-height: 1.75;
}

/* ────────────────── RESPONSIVE ────────────────── */
@media (max-width: 960px) {
  .about-grid {
    grid-template-columns: 1fr;
  }

  .about-image {
    display: none;
  }

  .install-steps-container {
    flex-direction: column;
    align-items: center;
    gap: 36px;
  }

  .step-divider {
    display: none;
  }

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

  nav {
    padding: 0 24px;
  }

  .hero-content {
    padding: 140px 36px 80px;
  }

  .section {
    padding: 80px 36px;
  }

  footer {
    flex-direction: column;
    gap: 10px;
    padding: 32px 36px;
  }

  .footer-legal {
    text-align: center;
  }
}

@media (max-width: 540px) {


  .download-grid {
    grid-template-columns: 1fr;
  }

  .credits-grid {
    grid-template-columns: 1fr;
  }

  .install-grid {
    gap: 36px;
  }
}

/* ────────────────── LIGHTBOX ────────────────── */
.lightbox {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.9);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  transition: opacity 0.3s;
}

.lightbox.show {
  display: flex;
  opacity: 1;
}

.lightbox img {
  max-width: 90%;
  max-height: 90%;
  object-fit: contain;
  border-radius: 4px;
  box-shadow: 0 4px 32px rgba(0, 0, 0, 0.6);
}

.lightbox-close {
  position: absolute;
  top: 20px;
  right: 30px;
  font-size: 40px;
  color: white;
  cursor: pointer;
  line-height: 1;
  opacity: 0.7;
  transition: opacity 0.2s;
}

.lightbox-close:hover {
  opacity: 1;
}

.carousel-item img {
  cursor: pointer;
}