/* ============================================
   PixelsorterApp Landing Page — Styles
   ============================================ */

/* --- Reset & Base --- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg: #121212;
  --bg-card: rgba(255, 255, 255, 0.03);
  --bg-card-hover: rgba(255, 255, 255, 0.06);
  --border: rgba(255, 255, 255, 0.06);
  --border-hover: rgba(255, 255, 255, 0.12);
  --text: #f0f0f5;
  --text-muted: #a0a0b0;
  --accent: #E8720C;
  --accent-secondary: #FF8C00;
  --gradient-start: #E8720C;
  --gradient-end: #A33D00;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-heading: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --radius: 12px;
  --radius-sm: 8px;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.2s;
}

a:hover {
  color: var(--accent-secondary);
}

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

/* --- Utility --- */
.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-label {
  text-transform: uppercase;
  letter-spacing: 3px;
  font-size: 0.75rem;
  font-weight: 600;
  background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 16px;
}

.section-desc {
  color: var(--text-muted);
  max-width: 560px;
  font-size: 1.05rem;
}

section {
  padding: 100px 0;
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 16px 0;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  background: rgba(10, 10, 18, 0.7);
  border-bottom: 1px solid var(--border);
  transition: background 0.3s;
}

.nav .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-logo-icon {
  width: 32px;
  height: 32px;
  object-fit: contain;
}

.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
}

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

.nav-cta {
  padding: 8px 20px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
  color: #fff !important;
  font-weight: 600;
  font-size: 0.85rem;
  transition: opacity 0.2s, transform 0.2s;
}

.nav-cta:hover {
  opacity: 0.9;
  color: #fff !important;
  transform: translateY(-1px);
}

/* --- Hero --- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 80px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.25;
  filter: blur(2px);
}

.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10, 10, 18, 0.3) 0%, var(--bg) 90%);
}

.hero .container {
  position: relative;
  z-index: 1;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 28px;
  backdrop-filter: blur(10px);
}

.hero-badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #22c55e;
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.4;
  }
}

.hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 7vw, 4.5rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 24px;
  letter-spacing: -1px;
}

.hero h1 .gradient-text {
  background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  color: var(--text-muted);
  font-size: clamp(1rem, 2vw, 1.2rem);
  max-width: 540px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform 0.2s, box-shadow 0.2s, opacity 0.2s;
  cursor: pointer;
  border: none;
  font-family: var(--font-body);
}

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

.btn-primary {
  background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
  color: #fff;
  box-shadow: 0 4px 24px rgba(232, 114, 12, 0.3);
}

.btn-primary:hover {
  box-shadow: 0 8px 32px rgba(232, 114, 12, 0.45);
  color: #fff;
}

.btn-secondary {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
  color: var(--text);
}

/* --- Features --- */
.features {
  position: relative;
}

.features-header {
  text-align: center;
  margin-bottom: 64px;
}

.features-header .section-desc {
  margin: 0 auto;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: transform 0.3s, border-color 0.3s, background 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 20px;
  background: linear-gradient(135deg, rgba(232, 114, 12, 0.15), rgba(255, 140, 0, 0.15));
  border: 1px solid rgba(232, 114, 12, 0.2);
}

.feature-card h3 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.feature-card p {
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.6;
}

/* --- How It Works --- */
.how-it-works {
  position: relative;
}

.how-header {
  text-align: center;
  margin-bottom: 64px;
}

.how-header .section-desc {
  margin: 0 auto;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  position: relative;
}

.steps::before {
  content: "";
  position: absolute;
  top: 40px;
  left: 15%;
  right: 15%;
  height: 2px;
  background: linear-gradient(90deg, var(--gradient-start), var(--gradient-end));
  opacity: 0.3;
}

.step {
  text-align: center;
  position: relative;
}

.step-number {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  font-weight: 700;
  margin: 0 auto 24px;
  color: var(--accent);
  position: relative;
  z-index: 1;
  transition: background 0.3s, color 0.3s;
}

.step:hover .step-number {
  background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
  color: #fff;
  border-color: transparent;
}

.step h3 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.step p {
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.6;
  max-width: 280px;
  margin: 0 auto;
}

/* --- Gallery --- */
.gallery {
  position: relative;
}

.gallery-header {
  text-align: center;
  margin-bottom: 64px;
}

.gallery-header .section-desc {
  margin: 0 auto;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.gallery-item {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
  aspect-ratio: 3/4;
  position: relative;
}

.gallery-item:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: 0 20px 60px rgba(232, 114, 12, 0.15);
  border-color: var(--accent);
}

.before-after {
  position: relative;
  width: 100%;
  height: 100%;
  --pos: 50%;
  background: #050509;
}

.ba-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

/* Sorted image on the left */
.ba-image-sorted {
  clip-path: inset(0 calc(100% - var(--pos)) 0 0);
}

/* Original image on the right */
.ba-image-original {
  clip-path: inset(0 0 0 var(--pos));
}

.ba-slider {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: ew-resize;
}

.ba-handle {
  position: absolute;
  top: 0;
  bottom: 0;
  left: var(--pos);
  width: 2px;
  background: rgba(255, 255, 255, 0.7);
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.6);
  pointer-events: none;
}

/* --- CTA --- */
.cta {
  text-align: center;
  position: relative;
}

.cta-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 64px 40px;
  position: relative;
  overflow: hidden;
}

.cta-box::before {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at center, rgba(232, 114, 12, 0.06) 0%, transparent 60%);
  pointer-events: none;
}

.cta-box .section-title {
  position: relative;
}

.cta-box .section-desc {
  margin: 0 auto 32px;
  position: relative;
}

.cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  position: relative;
}

.cta-platforms {
  margin-top: 32px;
  color: var(--text-muted);
  font-size: 0.85rem;
  position: relative;
}

/* --- Footer --- */
.footer {
  border-top: 1px solid var(--border);
  padding: 40px 0;
}

.footer .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-left {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.footer-links {
  display: flex;
  gap: 24px;
  list-style: none;
}

.footer-links a {
  color: var(--text-muted);
  font-size: 0.85rem;
  transition: color 0.2s;
}

.footer-links a:hover {
  color: var(--text);
}

/* --- Responsive --- */
@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  section {
    padding: 64px 0;
  }

  .steps {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .steps::before {
    display: none;
  }

  .gallery-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .cta-box {
    padding: 48px 24px;
  }

  .footer .container {
    flex-direction: column;
    text-align: center;
  }
}

/* --- Animations --- */
@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(24px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}