/* ============================================================
   ULTRAENHANCE AI — MASTER STYLESHEET
   Dark Futuristic · Glassmorphism · Neon Glow · Cinematic
   ============================================================ */

/* ── FONTS & VARIABLES ── */
:root {
  --yellow: #FFE500;
  --yellow-dim: #CCB800;
  --yellow-glow: rgba(255, 229, 0, 0.35);
  --blue: #00C2FF;
  --blue-dim: #0099CC;
  --blue-glow: rgba(0, 194, 255, 0.3);
  --purple: #8B5CF6;
  --purple-glow: rgba(139, 92, 246, 0.3);
  --bg: #050508;
  --bg-2: #0A0A10;
  --bg-3: #0F0F18;
  --bg-card: rgba(255, 255, 255, 0.04);
  --bg-card-hover: rgba(255, 255, 255, 0.07);
  --glass: rgba(255, 255, 255, 0.05);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-border-hover: rgba(255, 229, 0, 0.4);
  --text: #F0F0F8;
  --text-muted: #8888AA;
  --text-dim: #555570;
  --border: rgba(255, 255, 255, 0.08);
  --radius: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --shadow-yellow: 0 0 40px rgba(255, 229, 0, 0.2), 0 0 80px rgba(255, 229, 0, 0.08);
  --shadow-blue: 0 0 40px rgba(0, 194, 255, 0.2), 0 0 80px rgba(0, 194, 255, 0.08);
  --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4), 0 2px 8px rgba(0, 0, 0, 0.3);
  --font-display: 'Syne', sans-serif;
  --font-body: 'Outfit', sans-serif;
  --font-mono: 'Space Mono', monospace;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Light mode overrides */
body.light-mode {
  --bg: #F0F0F8;
  --bg-2: #E8E8F0;
  --bg-3: #FFFFFF;
  --bg-card: rgba(0, 0, 0, 0.04);
  --bg-card-hover: rgba(0, 0, 0, 0.07);
  --glass: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(0, 0, 0, 0.1);
  --text: #0A0A14;
  --text-muted: #555570;
  --text-dim: #999AAA;
  --border: rgba(0, 0, 0, 0.08);
}

/* ── RESET & BASE ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
  line-height: 1.6;
  cursor: default;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
ul { list-style: none; }
input, textarea { font-family: inherit; }

/* ── SCROLLBAR ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: rgba(255, 229, 0, 0.3); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255, 229, 0, 0.6); }

/* ── SELECTION ── */
::selection { background: rgba(255, 229, 0, 0.25); color: var(--text); }

/* ── PARTICLES CANVAS ── */
#particles-canvas {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.6;
  will-change: contents;
}

/* ── CONTAINER ── */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

/* ── LOADER ── */
.loader {
  position: fixed;
  inset: 0;
  background: var(--bg);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}
.loader.hidden { opacity: 0; visibility: hidden; pointer-events: none; }
.loader-inner { text-align: center; }
.loader-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 32px;
}
.loader-icon {
  font-size: 40px;
  color: var(--yellow);
  animation: loaderSpin 2s linear infinite;
  display: inline-block;
  filter: drop-shadow(0 0 20px var(--yellow));
}
.loader-brand {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, var(--yellow), var(--blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.loader-bar-wrap {
  width: 240px;
  height: 3px;
  background: rgba(255,255,255,0.1);
  border-radius: 2px;
  overflow: hidden;
  margin: 0 auto 16px;
}
.loader-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--yellow), var(--blue));
  border-radius: 2px;
  animation: loaderProgress 2s ease forwards;
  box-shadow: 0 0 12px var(--yellow);
}
.loader-text {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 1px;
  animation: loaderBlink 1s ease infinite;
}
@keyframes loaderSpin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
@keyframes loaderProgress { 0% { width: 0%; } 60% { width: 75%; } 100% { width: 100%; } }
@keyframes loaderBlink { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }

/* ── NAVBAR ── */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 0;
  transition: all var(--transition);
}
.navbar.scrolled {
  background: rgba(5, 5, 8, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 4px 32px rgba(0,0,0,0.4);
}
.nav-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  height: 72px;
  display: flex;
  align-items: center;
  gap: 40px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-icon {
  font-size: 22px;
  color: var(--yellow);
  filter: drop-shadow(0 0 8px var(--yellow));
  animation: logoPulse 3s ease infinite;
}
.logo-text {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.3px;
  color: var(--text);
}
.logo-ai {
  background: linear-gradient(135deg, var(--yellow), var(--blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
@keyframes logoPulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.75; } }

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
  justify-content: center;
}
.nav-link {
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
  border-radius: 8px;
  transition: all var(--transition);
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: 4px; left: 50%;
  transform: translateX(-50%);
  width: 0; height: 2px;
  background: var(--yellow);
  border-radius: 1px;
  transition: width var(--transition);
  box-shadow: 0 0 8px var(--yellow);
}
.nav-link:hover { color: var(--text); }
.nav-link:hover::after { width: 20px; }

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.btn-theme-toggle {
  width: 36px; height: 36px;
  border-radius: 8px;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}
.btn-theme-toggle:hover { color: var(--yellow); border-color: var(--yellow); background: rgba(255,229,0,0.08); }

.btn-nav-login {
  padding: 8px 20px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
  border-radius: 8px;
  border: 1px solid var(--border);
  transition: all var(--transition);
}
.btn-nav-login:hover { color: var(--text); border-color: var(--glass-border); background: var(--glass); }

.btn-nav-signup {
  padding: 8px 20px;
  font-size: 14px;
  font-weight: 600;
  color: #000;
  background: var(--yellow);
  border-radius: 8px;
  transition: all var(--transition);
  box-shadow: 0 0 20px rgba(255,229,0,0.3);
}
.btn-nav-signup:hover {
  background: #fff;
  box-shadow: 0 0 30px rgba(255,229,0,0.5), 0 0 60px rgba(255,229,0,0.2);
  transform: translateY(-1px);
}

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  margin-left: auto;
}
.nav-hamburger span {
  display: block;
  width: 22px; height: 2px;
  background: var(--text);
  border-radius: 1px;
  transition: all var(--transition);
}
.nav-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav-mobile {
  display: none;
  flex-direction: column;
  padding: 16px 24px 24px;
  background: rgba(5, 5, 8, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  gap: 4px;
}
.nav-mobile.open { display: flex; }
.nav-mobile a {
  padding: 12px 16px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-muted);
  border-radius: 8px;
  transition: all var(--transition);
}
.nav-mobile a:hover { color: var(--text); background: var(--glass); }
.nav-mobile .mobile-login { border: 1px solid var(--border); text-align: center; margin-top: 8px; }
.nav-mobile .mobile-signup { background: var(--yellow); color: #000; text-align: center; font-weight: 700; }

/* ── SECTION COMMON ── */
section { position: relative; z-index: 1; }
.section-header { text-align: center; margin-bottom: 64px; }
.section-tag {
  display: inline-block;
  padding: 6px 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--yellow);
  background: rgba(255, 229, 0, 0.08);
  border: 1px solid rgba(255, 229, 0, 0.2);
  border-radius: 100px;
  margin-bottom: 20px;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 800;
  letter-spacing: -1px;
  line-height: 1.1;
  margin-bottom: 16px;
  background: linear-gradient(135deg, var(--text) 0%, rgba(240,240,248,0.7) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.section-subtitle {
  font-size: 18px;
  color: var(--text-muted);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.6;
}

/* ── REVEAL ANIMATIONS ── */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── HERO ── */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 120px 24px 80px;
  position: relative;
  overflow: hidden;
}
.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,229,0,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,229,0,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 40%, transparent 100%);
}
.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
}
.hero-orb-1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(255,229,0,0.12) 0%, transparent 70%);
  top: -200px; left: -200px;
  animation: orbFloat1 8s ease-in-out infinite;
  will-change: transform;
}
.hero-orb-2 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(0,194,255,0.1) 0%, transparent 70%);
  bottom: -100px; right: -100px;
  animation: orbFloat2 10s ease-in-out infinite;
  will-change: transform;
}
.hero-orb-3 {
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(139,92,246,0.08) 0%, transparent 70%);
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  animation: orbFloat3 6s ease-in-out infinite;
  will-change: transform;
}
@keyframes orbFloat1 { 0%, 100% { transform: translate(0,0); } 50% { transform: translate(40px, 30px); } }
@keyframes orbFloat2 { 0%, 100% { transform: translate(0,0); } 50% { transform: translate(-30px, -40px); } }
@keyframes orbFloat3 { 0%, 100% { transform: translate(-50%,-50%) scale(1); } 50% { transform: translate(-50%,-50%) scale(1.2); } }

.hero-container {
  max-width: 900px;
  text-align: center;
  position: relative;
  z-index: 2;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: rgba(255,229,0,0.06);
  border: 1px solid rgba(255,229,0,0.2);
  border-radius: 100px;
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 32px;
  backdrop-filter: blur(10px);
}
.badge-dot {
  width: 8px; height: 8px;
  background: var(--yellow);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--yellow);
  animation: badgePulse 2s ease infinite;
}
.badge-new {
  padding: 2px 8px;
  background: var(--yellow);
  color: #000;
  font-size: 10px;
  font-weight: 800;
  font-family: var(--font-mono);
  letter-spacing: 1px;
  border-radius: 4px;
}
@keyframes badgePulse { 0%, 100% { box-shadow: 0 0 8px var(--yellow); } 50% { box-shadow: 0 0 16px var(--yellow), 0 0 32px var(--yellow-glow); } }

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(52px, 9vw, 96px);
  font-weight: 800;
  letter-spacing: -3px;
  line-height: 0.95;
  margin-bottom: 28px;
}
.hero-title-gradient {
  background: linear-gradient(135deg, var(--yellow) 0%, #FF9500 50%, var(--blue) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 30px rgba(255,229,0,0.4));
}
.hero-title-outline {
  -webkit-text-stroke: 2px rgba(255,255,255,0.2);
  color: transparent;
}
.hero-subtitle {
  font-size: clamp(16px, 2vw, 20px);
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto 40px;
  line-height: 1.7;
}
.hero-subtitle strong { color: var(--text); }

.hero-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 56px;
}

/* ── BUTTONS ── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 32px;
  font-size: 16px;
  font-weight: 700;
  color: #000;
  background: var(--yellow);
  border-radius: 12px;
  transition: all var(--transition);
  box-shadow: 0 0 30px rgba(255,229,0,0.4), 0 4px 16px rgba(0,0,0,0.3);
  position: relative;
  overflow: hidden;
}
.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.2), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 50px rgba(255,229,0,0.6), 0 8px 32px rgba(0,0,0,0.4);
}
.btn-primary:hover::before { opacity: 1; }
.btn-primary:active { transform: translateY(0); }

.btn-primary.btn-large { padding: 20px 40px; font-size: 18px; border-radius: 14px; }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 32px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  backdrop-filter: blur(10px);
  transition: all var(--transition);
}
.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: rgba(255,229,0,0.3);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.3);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 16px 32px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: 12px;
  transition: all var(--transition);
}
.btn-ghost:hover { color: var(--text); border-color: var(--glass-border); background: var(--glass); }

/* ── HERO STATS ── */
.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  flex-wrap: wrap;
  padding: 24px 32px;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(20px);
  max-width: 700px;
  margin: 0 auto;
}
.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0 32px;
  flex: 1;
  min-width: 120px;
}
.stat-number {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 800;
  color: var(--yellow);
  line-height: 1;
  filter: drop-shadow(0 0 12px rgba(255,229,0,0.5));
}
.stat-suffix {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 800;
  color: var(--yellow);
}
.stat-label {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
  text-align: center;
  white-space: nowrap;
}
.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
  flex-shrink: 0;
}

/* ── HERO PREVIEW SLIDER ── */
.hero-preview {
  width: 100%;
  max-width: 900px;
  margin: 64px auto 0;
  position: relative;
  z-index: 2;
}
.preview-label {
  position: absolute;
  top: 16px;
  z-index: 10;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2px;
  padding: 6px 14px;
  border-radius: 6px;
}
.preview-label-before {
  left: 16px;
  background: rgba(0,0,0,0.7);
  color: var(--text-muted);
  border: 1px solid var(--border);
}
.preview-label-after {
  right: 16px;
  background: rgba(255,229,0,0.15);
  color: var(--yellow);
  border: 1px solid rgba(255,229,0,0.3);
}
.preview-slider-container {
  position: relative;
  width: 100%;
  aspect-ratio: 16/7;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-yellow), var(--shadow-card);
  cursor: ew-resize;
  user-select: none;
}
.preview-after, .preview-before {
  position: absolute;
  inset: 0;
}
.preview-after img, .preview-before img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.preview-before {
  clip-path: inset(0 50% 0 0);
  filter: blur(2px) brightness(0.7) saturate(0.5);
}
.preview-handle {
  position: absolute;
  top: 0; bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  z-index: 10;
  cursor: ew-resize;
}
.handle-line {
  position: absolute;
  top: 0; bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 2px;
  background: var(--yellow);
  box-shadow: 0 0 12px var(--yellow), 0 0 24px var(--yellow-glow);
}
.handle-circle {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 44px; height: 44px;
  background: var(--yellow);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2px;
  box-shadow: 0 0 20px rgba(255,229,0,0.6), 0 4px 16px rgba(0,0,0,0.4);
  color: #000;
}
.preview-caption {
  text-align: center;
  margin-top: 16px;
  font-size: 13px;
  color: var(--text-dim);
  font-family: var(--font-mono);
  letter-spacing: 0.5px;
}

/* ── TRUSTED ── */
.trusted {
  padding: 40px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: rgba(255,255,255,0.01);
  position: relative;
  z-index: 1;
}
.trusted-label {
  text-align: center;
  font-size: 12px;
  font-family: var(--font-mono);
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 24px;
}
.trusted-logos {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
}
.trusted-logo {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--text-dim);
  letter-spacing: -0.5px;
  transition: color var(--transition);
  cursor: default;
}
.trusted-logo:hover { color: var(--text-muted); }

/* ── UPLOAD SECTION ── */
.upload-section {
  padding: 100px 0;
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 50%, var(--bg) 100%);
}
.upload-workspace {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: start;
}
.upload-panel {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.upload-zone {
  border: 2px dashed var(--glass-border);
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  transition: all var(--transition);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}
.upload-zone::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 50%, rgba(255,229,0,0.03), transparent 70%);
  opacity: 0;
  transition: opacity var(--transition);
}
.upload-zone:hover, .upload-zone.drag-over {
  border-color: rgba(255,229,0,0.5);
  background: rgba(255,229,0,0.04);
  box-shadow: 0 0 40px rgba(255,229,0,0.1);
}
.upload-zone:hover::before, .upload-zone.drag-over::before { opacity: 1; }
.upload-zone-inner {
  padding: 48px 32px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}
.upload-icon-wrap {
  width: 80px; height: 80px;
  background: rgba(255,229,0,0.08);
  border: 1px solid rgba(255,229,0,0.2);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--yellow);
  margin-bottom: 8px;
  transition: all var(--transition);
}
.upload-zone:hover .upload-icon-wrap {
  background: rgba(255,229,0,0.15);
  box-shadow: 0 0 24px rgba(255,229,0,0.2);
  transform: scale(1.05);
}
.upload-title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
}
.upload-hint { font-size: 15px; color: var(--text-muted); }
.upload-browse {
  color: var(--yellow);
  text-decoration: underline;
  cursor: pointer;
}
.upload-formats {
  font-size: 12px;
  color: var(--text-dim);
  font-family: var(--font-mono);
}

/* Enhancement Options */
.enhance-options {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
}
.options-title {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 16px;
}
.options-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-bottom: 20px;
}
.option-chip {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 12px 8px;
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition);
  text-align: center;
}
.option-chip input { display: none; }
.option-chip:hover { border-color: rgba(255,229,0,0.3); color: var(--text); background: rgba(255,229,0,0.05); }
.option-chip.active {
  border-color: var(--yellow);
  color: var(--yellow);
  background: rgba(255,229,0,0.08);
  box-shadow: 0 0 16px rgba(255,229,0,0.15);
}

.scale-selector {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}
.scale-label { font-size: 13px; color: var(--text-muted); font-weight: 500; }
.scale-options { display: flex; gap: 8px; }
.scale-btn {
  padding: 6px 16px;
  font-size: 13px;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--text-muted);
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: 8px;
  transition: all var(--transition);
}
.scale-btn:hover { color: var(--text); border-color: rgba(255,229,0,0.3); }
.scale-btn.active {
  color: #000;
  background: var(--yellow);
  border-color: var(--yellow);
  box-shadow: 0 0 12px rgba(255,229,0,0.3);
}

.btn-enhance {
  width: 100%;
  padding: 16px;
  font-size: 16px;
  font-weight: 700;
  color: #000;
  background: linear-gradient(135deg, var(--yellow), #FF9500);
  border-radius: 12px;
  transition: all var(--transition);
  box-shadow: 0 0 30px rgba(255,229,0,0.3);
  position: relative;
  overflow: hidden;
}
.btn-enhance:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  box-shadow: none;
}
.btn-enhance:not(:disabled):hover {
  transform: translateY(-2px);
  box-shadow: 0 0 50px rgba(255,229,0,0.5);
}
.btn-enhance-text, .btn-enhance-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}
.spinner {
  width: 18px; height: 18px;
  border: 2px solid rgba(0,0,0,0.3);
  border-top-color: #000;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Result Panel */
.result-panel {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  min-height: 400px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.result-placeholder {
  text-align: center;
  padding: 48px;
  color: var(--text-dim);
}
.result-placeholder-icon {
  margin: 0 auto 16px;
  width: 80px; height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.3;
}
.result-placeholder p { font-size: 14px; }

.result-comparison {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
}
.comparison-slider-wrap {
  position: relative;
  flex: 1;
  cursor: ew-resize;
  user-select: none;
  min-height: 300px;
}
.comp-after, .comp-before {
  position: absolute;
  inset: 0;
}
.comp-after img, .comp-before img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.comp-before { clip-path: inset(0 50% 0 0); filter: blur(1px) brightness(0.7) saturate(0.5); }
.comp-handle {
  position: absolute;
  top: 0; bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  z-index: 10;
  cursor: ew-resize;
}

.result-actions {
  display: flex;
  gap: 12px;
  padding: 16px;
  background: rgba(0,0,0,0.3);
  border-top: 1px solid var(--border);
}
.btn-download {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px;
  font-size: 14px;
  font-weight: 700;
  color: #000;
  background: var(--yellow);
  border-radius: 10px;
  transition: all var(--transition);
  box-shadow: 0 0 20px rgba(255,229,0,0.3);
}
.btn-download:hover { box-shadow: 0 0 30px rgba(255,229,0,0.5); transform: translateY(-1px); }
.btn-reset {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-muted);
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: 10px;
  transition: all var(--transition);
}
.btn-reset:hover { color: var(--text); border-color: var(--glass-border); }

/* Processing Overlay */
.processing-overlay {
  position: absolute;
  inset: 0;
  background: rgba(5,5,8,0.95);
  backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 20;
}
.processing-inner { text-align: center; padding: 32px; }
.ai-brain {
  position: relative;
  width: 100px; height: 100px;
  margin: 0 auto 24px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.brain-ring {
  position: absolute;
  border-radius: 50%;
  border: 2px solid transparent;
}
.ring-1 {
  inset: 0;
  border-top-color: var(--yellow);
  animation: ringRotate 1.5s linear infinite;
  will-change: transform;
}
.ring-2 {
  inset: 12px;
  border-right-color: var(--blue);
  animation: ringRotate 2s linear infinite reverse;
  will-change: transform;
}
.ring-3 {
  inset: 24px;
  border-bottom-color: var(--purple);
  animation: ringRotate 2.5s linear infinite;
  will-change: transform;
}
.brain-core {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 800;
  background: linear-gradient(135deg, var(--yellow), var(--blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
@keyframes ringRotate { to { transform: rotate(360deg); } }

.processing-title {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 20px;
}
.processing-steps { margin-bottom: 24px; }
.proc-step {
  font-size: 13px;
  color: var(--text-dim);
  padding: 4px 0;
  transition: color var(--transition);
  font-family: var(--font-mono);
}
.proc-step.active { color: var(--yellow); }
.proc-step.done { color: var(--blue); }
.processing-bar-wrap {
  width: 200px;
  height: 4px;
  background: rgba(255,255,255,0.1);
  border-radius: 2px;
  overflow: hidden;
  margin: 0 auto 8px;
}
.processing-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--yellow), var(--blue));
  border-radius: 2px;
  transition: width 0.3s ease;
  box-shadow: 0 0 8px var(--yellow);
}
.processing-pct {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
}

/* ── HOW IT WORKS ── */
.how-it-works {
  padding: 100px 0;
  background: var(--bg-2);
}
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  position: relative;
}
.step-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  text-align: center;
  position: relative;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
  overflow: hidden;
  contain: layout style;
  will-change: transform;
}
.step-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--yellow), var(--blue));
  opacity: 0;
  transition: opacity var(--transition);
}
.step-card:hover {
  border-color: rgba(255,229,0,0.2);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}
.step-card:hover::before { opacity: 1; }
.step-number {
  font-family: var(--font-mono);
  font-size: 64px;
  font-weight: 700;
  color: rgba(255,229,0,0.06);
  line-height: 1;
  position: absolute;
  top: 16px; right: 24px;
}
.step-icon-wrap {
  width: 64px; height: 64px;
  background: rgba(255,229,0,0.08);
  border: 1px solid rgba(255,229,0,0.2);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--yellow);
  margin: 0 auto 24px;
  transition: all var(--transition);
}
.step-card:hover .step-icon-wrap {
  background: rgba(255,229,0,0.15);
  box-shadow: 0 0 24px rgba(255,229,0,0.2);
}
.step-card h3 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 12px;
}
.step-card p { font-size: 15px; color: var(--text-muted); line-height: 1.6; }
.step-connector {
  display: none;
}

/* ── FEATURES ── */
.features {
  padding: 100px 0;
  background: var(--bg);
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}
.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: transform var(--transition), border-color var(--transition), background var(--transition), box-shadow var(--transition);
  position: relative;
  overflow: hidden;
  cursor: default;
  contain: layout style;
  will-change: transform;
}
.feature-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--yellow), var(--blue));
  transform: scaleX(0);
  transition: transform var(--transition);
}
.feature-card:hover {
  border-color: rgba(255,229,0,0.2);
  background: var(--bg-card-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}
.feature-card:hover::after { transform: scaleX(1); }
.feature-icon {
  width: 48px; height: 48px;
  background: rgba(255,229,0,0.08);
  border: 1px solid rgba(255,229,0,0.15);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--yellow);
  margin-bottom: 16px;
  transition: all var(--transition);
}
.feature-card:hover .feature-icon {
  background: rgba(255,229,0,0.15);
  box-shadow: 0 0 20px rgba(255,229,0,0.2);
}
.feature-card h3 {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
}
.feature-card p { font-size: 13px; color: var(--text-muted); line-height: 1.5; margin-bottom: 12px; }
.feature-tag {
  display: inline-block;
  padding: 3px 10px;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--blue);
  background: rgba(0,194,255,0.08);
  border: 1px solid rgba(0,194,255,0.2);
  border-radius: 4px;
}

/* ── DEMO SECTION ── */
.demo-section {
  padding: 100px 0;
  background: var(--bg-2);
}
.demo-tabs {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}
.demo-tab {
  padding: 10px 24px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-muted);
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: 100px;
  transition: all var(--transition);
}
.demo-tab:hover { color: var(--text); border-color: rgba(255,229,0,0.3); }
.demo-tab.active {
  color: #000;
  background: var(--yellow);
  border-color: var(--yellow);
  box-shadow: 0 0 20px rgba(255,229,0,0.3);
}
.demo-slider-wrap {
  max-width: 900px;
  margin: 0 auto;
}
.demo-slider-container {
  position: relative;
  width: 100%;
  aspect-ratio: 16/9;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-yellow), var(--shadow-card);
  cursor: ew-resize;
  user-select: none;
}
.demo-after, .demo-before {
  position: absolute;
  inset: 0;
}
.demo-after img, .demo-before img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.demo-before { clip-path: inset(0 50% 0 0); filter: blur(3px) brightness(0.6) saturate(0.4); }
.demo-handle {
  position: absolute;
  top: 0; bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  z-index: 10;
  cursor: ew-resize;
}
.demo-badge {
  position: absolute;
  bottom: 20px;
  z-index: 10;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2px;
  padding: 6px 14px;
  border-radius: 6px;
}
.demo-badge-before {
  left: 20px;
  background: rgba(0,0,0,0.7);
  color: var(--text-muted);
  border: 1px solid var(--border);
}
.demo-badge-after {
  right: 20px;
  background: rgba(255,229,0,0.15);
  color: var(--yellow);
  border: 1px solid rgba(255,229,0,0.3);
}

/* ── PRICING ── */
.pricing {
  padding: 100px 0;
  background: var(--bg);
}
.pricing-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 48px;
}
.toggle-label {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
}
.save-badge {
  padding: 2px 8px;
  background: rgba(0,194,255,0.15);
  color: var(--blue);
  border: 1px solid rgba(0,194,255,0.3);
  border-radius: 4px;
  font-size: 11px;
  font-weight: 700;
  font-family: var(--font-mono);
}
.toggle-switch {
  position: relative;
  width: 48px; height: 26px;
  cursor: pointer;
}
.toggle-switch input { display: none; }
.toggle-slider {
  position: absolute;
  inset: 0;
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: 13px;
  transition: all var(--transition);
}
.toggle-slider::before {
  content: '';
  position: absolute;
  width: 18px; height: 18px;
  background: var(--text-muted);
  border-radius: 50%;
  top: 3px; left: 3px;
  transition: all var(--transition);
}
.toggle-switch input:checked + .toggle-slider { background: rgba(255,229,0,0.15); border-color: rgba(255,229,0,0.4); }
.toggle-switch input:checked + .toggle-slider::before { transform: translateX(22px); background: var(--yellow); box-shadow: 0 0 8px var(--yellow); }

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: start;
}
.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 40px 32px;
  position: relative;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
  contain: layout style;
  will-change: transform;
}
.pricing-card:hover {
  border-color: rgba(255,255,255,0.15);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}
.pricing-card-featured {
  background: linear-gradient(135deg, rgba(255,229,0,0.06), rgba(0,194,255,0.04));
  border-color: rgba(255,229,0,0.3);
  transform: scale(1.03);
  box-shadow: var(--shadow-yellow), var(--shadow-card);
}
.pricing-card-featured:hover { transform: scale(1.03) translateY(-4px); }
.pricing-popular {
  position: absolute;
  top: -14px; left: 50%;
  transform: translateX(-50%);
  padding: 6px 20px;
  background: var(--yellow);
  color: #000;
  font-size: 12px;
  font-weight: 800;
  font-family: var(--font-mono);
  letter-spacing: 1px;
  border-radius: 100px;
  white-space: nowrap;
  box-shadow: 0 0 20px rgba(255,229,0,0.4);
}
.pricing-header { margin-bottom: 32px; }
.plan-name {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 12px;
}
.plan-price {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 8px;
}
.price-currency {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  color: var(--text-muted);
}
.price-amount {
  font-family: var(--font-display);
  font-size: 56px;
  font-weight: 800;
  letter-spacing: -2px;
  line-height: 1;
  color: var(--text);
}
.pricing-card-featured .price-amount {
  background: linear-gradient(135deg, var(--yellow), var(--blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.price-period { font-size: 16px; color: var(--text-muted); }
.plan-desc { font-size: 14px; color: var(--text-muted); }

.plan-features {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 32px;
}
.plan-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text);
}
.plan-features li svg { color: var(--yellow); flex-shrink: 0; }
.plan-feature-disabled { opacity: 0.4; }
.plan-feature-disabled svg { color: var(--text-dim); }

.btn-plan {
  display: block;
  width: 100%;
  padding: 14px;
  font-size: 15px;
  font-weight: 700;
  text-align: center;
  border-radius: 12px;
  transition: all var(--transition);
}
.btn-plan-free {
  color: var(--text);
  background: var(--glass);
  border: 1px solid var(--border);
}
.btn-plan-free:hover { background: var(--bg-card-hover); border-color: var(--glass-border); }
.btn-plan-pro {
  color: #000;
  background: var(--yellow);
  box-shadow: 0 0 30px rgba(255,229,0,0.3);
}
.btn-plan-pro:hover { box-shadow: 0 0 50px rgba(255,229,0,0.5); transform: translateY(-2px); }
.btn-plan-ultra {
  color: var(--blue);
  background: rgba(0,194,255,0.08);
  border: 1px solid rgba(0,194,255,0.3);
}
.btn-plan-ultra:hover { background: rgba(0,194,255,0.15); box-shadow: 0 0 30px rgba(0,194,255,0.2); }

/* ── TESTIMONIALS ── */
.testimonials {
  padding: 100px 0;
  background: var(--bg-2);
}
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.testimonial-card::before {
  content: '"';
  position: absolute;
  top: -10px; right: 20px;
  font-size: 120px;
  font-family: var(--font-display);
  color: rgba(255,229,0,0.04);
  line-height: 1;
  pointer-events: none;
}
.testimonial-card:hover {
  border-color: rgba(255,229,0,0.2);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}
.testimonial-stars {
  color: var(--yellow);
  font-size: 16px;
  letter-spacing: 2px;
  margin-bottom: 16px;
  filter: drop-shadow(0 0 6px rgba(255,229,0,0.4));
}
.testimonial-text {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 24px;
  font-style: italic;
}
.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}
.testimonial-author img {
  width: 44px; height: 44px;
  border-radius: 50%;
  border: 2px solid rgba(255,229,0,0.2);
  object-fit: cover;
}
.testimonial-author strong {
  display: block;
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
}
.testimonial-author span {
  font-size: 12px;
  color: var(--text-dim);
}

/* ── FAQ ── */
.faq {
  padding: 100px 0;
  background: var(--bg);
}
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color var(--transition);
}
.faq-item:hover { border-color: rgba(255,229,0,0.2); }
.faq-item.open { border-color: rgba(255,229,0,0.3); }
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  text-align: left;
  transition: color var(--transition);
}
.faq-question:hover { color: var(--yellow); }
.faq-icon {
  flex-shrink: 0;
  transition: transform var(--transition);
  color: var(--text-muted);
}
.faq-item.open .faq-icon { transform: rotate(180deg); color: var(--yellow); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
}
.faq-item.open .faq-answer { max-height: 200px; }
.faq-answer p {
  padding: 0 24px 20px;
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ── CTA SECTION ── */
.cta-section {
  padding: 100px 0;
  background: var(--bg-2);
}
.cta-card {
  background: linear-gradient(135deg, rgba(255,229,0,0.05), rgba(0,194,255,0.03));
  border: 1px solid rgba(255,229,0,0.2);
  border-radius: var(--radius-xl);
  padding: 80px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-yellow);
}
.cta-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  pointer-events: none;
}
.cta-orb-1 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(255,229,0,0.1), transparent 70%);
  top: -200px; left: -100px;
}
.cta-orb-2 {
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(0,194,255,0.08), transparent 70%);
  bottom: -150px; right: -50px;
}
.cta-title {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 800;
  letter-spacing: -1.5px;
  margin: 16px 0;
  background: linear-gradient(135deg, var(--text), rgba(240,240,248,0.7));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.cta-subtitle {
  font-size: 18px;
  color: var(--text-muted);
  max-width: 500px;
  margin: 0 auto 40px;
}
.cta-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* ── FOOTER ── */
.footer {
  background: var(--bg);
  border-top: 1px solid var(--border);
  padding: 80px 0 40px;
  position: relative;
  z-index: 1;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 64px;
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 800;
  margin-bottom: 16px;
}
.footer-tagline {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 24px;
  max-width: 280px;
}
.footer-social {
  display: flex;
  gap: 12px;
}
.social-link {
  width: 36px; height: 36px;
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: all var(--transition);
}
.social-link:hover {
  color: var(--yellow);
  border-color: rgba(255,229,0,0.3);
  background: rgba(255,229,0,0.08);
  transform: translateY(-2px);
}
.footer-col h4 {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col a {
  font-size: 14px;
  color: var(--text-muted);
  transition: color var(--transition);
}
.footer-col a:hover { color: var(--yellow); }
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 32px;
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
  gap: 16px;
}
.footer-bottom p { font-size: 13px; color: var(--text-dim); }
.footer-bottom-links {
  display: flex;
  gap: 24px;
}
.footer-bottom-links a {
  font-size: 13px;
  color: var(--text-dim);
  transition: color var(--transition);
}
.footer-bottom-links a:hover { color: var(--text-muted); }

/* ── AI ASSISTANT BUTTON ── */
.ai-assistant-btn {
  position: fixed;
  bottom: 32px; right: 32px;
  width: 60px; height: 60px;
  background: linear-gradient(135deg, var(--yellow), #FF9500);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #000;
  z-index: 900;
  box-shadow: 0 0 30px rgba(255,229,0,0.4), 0 8px 32px rgba(0,0,0,0.4);
  transition: all var(--transition);
}
.ai-assistant-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 0 50px rgba(255,229,0,0.6), 0 8px 32px rgba(0,0,0,0.4);
}
.assistant-pulse {
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 2px solid rgba(255,229,0,0.4);
  animation: assistantPulse 2s ease infinite;
}
@keyframes assistantPulse {
  0% { transform: scale(1); opacity: 1; }
  100% { transform: scale(1.5); opacity: 0; }
}
.ai-assistant-popup {
  position: fixed;
  bottom: 104px; right: 32px;
  width: 300px;
  background: rgba(10,10,16,0.95);
  border: 1px solid rgba(255,229,0,0.2);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(20px);
  z-index: 900;
  box-shadow: var(--shadow-yellow), var(--shadow-card);
  transform: translateY(20px) scale(0.95);
  opacity: 0;
  pointer-events: none;
  transition: all var(--transition);
}
.ai-assistant-popup.open {
  transform: translateY(0) scale(1);
  opacity: 1;
  pointer-events: all;
}
.popup-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}
.popup-title {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  color: var(--yellow);
}
.popup-close {
  font-size: 20px;
  color: var(--text-muted);
  line-height: 1;
  transition: color var(--transition);
}
.popup-close:hover { color: var(--text); }
.popup-body { padding: 16px 20px 20px; }
.popup-body p { font-size: 14px; color: var(--text-muted); margin-bottom: 16px; }
.popup-suggestions { display: flex; flex-direction: column; gap: 8px; }
.suggestion-btn {
  padding: 10px 14px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: 8px;
  text-align: left;
  transition: all var(--transition);
}
.suggestion-btn:hover {
  border-color: rgba(255,229,0,0.3);
  background: rgba(255,229,0,0.05);
  color: var(--yellow);
}

/* ── AUTH PAGES ── */
.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 100px 24px 40px;
  position: relative;
  overflow: hidden;
}
.auth-orb-1 {
  position: absolute;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(255,229,0,0.08), transparent 70%);
  top: -200px; left: -200px;
  border-radius: 50%;
  filter: blur(60px);
  pointer-events: none;
}
.auth-orb-2 {
  position: absolute;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(0,194,255,0.06), transparent 70%);
  bottom: -150px; right: -100px;
  border-radius: 50%;
  filter: blur(60px);
  pointer-events: none;
}
.auth-card {
  width: 100%;
  max-width: 460px;
  background: rgba(10,10,16,0.8);
  border: 1px solid rgba(255,229,0,0.15);
  border-radius: var(--radius-xl);
  padding: 48px 40px;
  backdrop-filter: blur(30px);
  box-shadow: var(--shadow-yellow), var(--shadow-card);
  position: relative;
  z-index: 2;
  animation: authCardIn 0.6s ease forwards;
}
@keyframes authCardIn {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}
.auth-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-bottom: 32px;
}
.auth-title {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -1px;
  text-align: center;
  margin-bottom: 8px;
}
.auth-subtitle {
  font-size: 15px;
  color: var(--text-muted);
  text-align: center;
  margin-bottom: 32px;
}
.auth-form { display: flex; flex-direction: column; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 8px; }
.form-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.form-input {
  padding: 14px 16px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  font-size: 15px;
  transition: all var(--transition);
  outline: none;
}
.form-input:focus {
  border-color: rgba(255,229,0,0.4);
  background: rgba(255,229,0,0.03);
  box-shadow: 0 0 0 3px rgba(255,229,0,0.08);
}
.form-input::placeholder { color: var(--text-dim); }
.form-input-wrap {
  position: relative;
}
.form-input-wrap .form-input { padding-right: 48px; }
.form-input-icon {
  position: absolute;
  right: 14px; top: 50%;
  transform: translateY(-50%);
  color: var(--text-dim);
  cursor: pointer;
  transition: color var(--transition);
}
.form-input-icon:hover { color: var(--text-muted); }

.form-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.form-checkbox {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
}
.form-checkbox input { display: none; }
.checkbox-box {
  width: 18px; height: 18px;
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
  flex-shrink: 0;
}
.form-checkbox input:checked + .checkbox-box {
  background: var(--yellow);
  border-color: var(--yellow);
}
.form-checkbox input:checked + .checkbox-box::after {
  content: '✓';
  font-size: 11px;
  font-weight: 700;
  color: #000;
}
.checkbox-label { font-size: 13px; color: var(--text-muted); }
.form-link {
  font-size: 13px;
  color: var(--yellow);
  transition: opacity var(--transition);
}
.form-link:hover { opacity: 0.8; }

.btn-auth {
  width: 100%;
  padding: 16px;
  font-size: 16px;
  font-weight: 700;
  color: #000;
  background: var(--yellow);
  border-radius: 12px;
  transition: all var(--transition);
  box-shadow: 0 0 30px rgba(255,229,0,0.3);
  margin-top: 8px;
}
.btn-auth:hover {
  box-shadow: 0 0 50px rgba(255,229,0,0.5);
  transform: translateY(-2px);
}

.auth-divider {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 8px 0;
}
.auth-divider::before, .auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}
.auth-divider span { font-size: 12px; color: var(--text-dim); white-space: nowrap; }

.btn-social {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 14px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: 12px;
  transition: all var(--transition);
}
.btn-social:hover {
  background: var(--bg-card-hover);
  border-color: var(--glass-border);
  transform: translateY(-1px);
}

.auth-footer {
  text-align: center;
  margin-top: 24px;
  font-size: 14px;
  color: var(--text-muted);
}
.auth-footer a { color: var(--yellow); font-weight: 600; }
.auth-footer a:hover { text-decoration: underline; }

/* ── DASHBOARD ── */
.dashboard-layout {
  display: flex;
  min-height: 100vh;
  padding-top: 72px;
}
.sidebar {
  width: 260px;
  background: rgba(10,10,16,0.8);
  border-right: 1px solid var(--border);
  backdrop-filter: blur(20px);
  position: fixed;
  top: 72px; left: 0; bottom: 0;
  overflow-y: auto;
  z-index: 100;
  padding: 24px 0;
  transition: transform var(--transition);
}
.sidebar-section { margin-bottom: 8px; }
.sidebar-label {
  padding: 8px 20px;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-dim);
}
.sidebar-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 20px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
  transition: all var(--transition);
  border-left: 2px solid transparent;
  margin: 2px 0;
}
.sidebar-link:hover {
  color: var(--text);
  background: rgba(255,255,255,0.03);
  border-left-color: rgba(255,229,0,0.3);
}
.sidebar-link.active {
  color: var(--yellow);
  background: rgba(255,229,0,0.06);
  border-left-color: var(--yellow);
}
.sidebar-link svg { flex-shrink: 0; }
.sidebar-credits {
  margin: 16px 16px 0;
  padding: 16px;
  background: rgba(255,229,0,0.05);
  border: 1px solid rgba(255,229,0,0.15);
  border-radius: var(--radius);
}
.credits-label {
  font-size: 11px;
  font-family: var(--font-mono);
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 8px;
}
.credits-bar-wrap {
  height: 6px;
  background: rgba(255,255,255,0.08);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 8px;
}
.credits-bar {
  height: 100%;
  width: 65%;
  background: linear-gradient(90deg, var(--yellow), #FF9500);
  border-radius: 3px;
  box-shadow: 0 0 8px rgba(255,229,0,0.4);
}
.credits-text {
  font-size: 12px;
  color: var(--text-muted);
  display: flex;
  justify-content: space-between;
}
.credits-text strong { color: var(--yellow); }

.dashboard-main {
  flex: 1;
  margin-left: 260px;
  padding: 32px;
  min-height: calc(100vh - 72px);
}
.dashboard-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
  flex-wrap: wrap;
  gap: 16px;
}
.dashboard-greeting h1 {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 4px;
}
.dashboard-greeting p { font-size: 14px; color: var(--text-muted); }
.dashboard-actions { display: flex; gap: 12px; }

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 32px;
}
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--yellow), var(--blue));
  opacity: 0;
  transition: opacity var(--transition);
}
.stat-card:hover { border-color: rgba(255,229,0,0.2); transform: translateY(-2px); }
.stat-card:hover::before { opacity: 1; }
.stat-card-icon {
  width: 40px; height: 40px;
  background: rgba(255,229,0,0.08);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--yellow);
  margin-bottom: 16px;
}
.stat-card-value {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -1px;
  color: var(--text);
  margin-bottom: 4px;
}
.stat-card-label { font-size: 13px; color: var(--text-muted); }
.stat-card-change {
  font-size: 12px;
  font-family: var(--font-mono);
  margin-top: 8px;
}
.stat-card-change.up { color: #22C55E; }
.stat-card-change.down { color: #EF4444; }

.dashboard-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 32px;
}
.dashboard-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.dashboard-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
}
.dashboard-card-title {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
}
.dashboard-card-body { padding: 24px; }

/* Chart */
.chart-wrap {
  height: 200px;
  position: relative;
  display: flex;
  align-items: flex-end;
  gap: 8px;
}
.chart-bar-group {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  height: 100%;
  justify-content: flex-end;
}
.chart-bar {
  width: 100%;
  background: linear-gradient(180deg, var(--yellow), rgba(255,229,0,0.3));
  border-radius: 4px 4px 0 0;
  transition: all 0.8s ease;
  position: relative;
  min-height: 4px;
}
.chart-bar:hover { background: linear-gradient(180deg, #fff, var(--yellow)); }
.chart-bar-label {
  font-size: 10px;
  color: var(--text-dim);
  font-family: var(--font-mono);
  white-space: nowrap;
}

/* Image History */
.history-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.history-item {
  position: relative;
  border-radius: 10px;
  overflow: hidden;
  aspect-ratio: 1;
  cursor: pointer;
  border: 1px solid var(--border);
  transition: all var(--transition);
}
.history-item:hover { border-color: rgba(255,229,0,0.3); transform: scale(1.02); }
.history-item img { width: 100%; height: 100%; object-fit: cover; }
.history-item-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
  opacity: 0;
  transition: opacity var(--transition);
  display: flex;
  align-items: flex-end;
  padding: 10px;
}
.history-item:hover .history-item-overlay { opacity: 1; }
.history-item-info { font-size: 11px; color: var(--text-muted); }
.history-item-badge {
  position: absolute;
  top: 8px; right: 8px;
  padding: 3px 8px;
  background: rgba(255,229,0,0.9);
  color: #000;
  font-size: 10px;
  font-weight: 700;
  font-family: var(--font-mono);
  border-radius: 4px;
}

/* Enhancement Panel */
.enhance-panel {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 24px;
}
.enhance-panel-title {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.enhance-panel-title span {
  width: 8px; height: 8px;
  background: var(--yellow);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--yellow);
  animation: badgePulse 2s ease infinite;
}
.enhance-modes-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}
.enhance-mode-card {
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 12px;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition);
}
.enhance-mode-card:hover {
  border-color: rgba(255,229,0,0.3);
  background: rgba(255,229,0,0.05);
}
.enhance-mode-card.active {
  border-color: var(--yellow);
  background: rgba(255,229,0,0.08);
  box-shadow: 0 0 16px rgba(255,229,0,0.15);
}
.enhance-mode-icon {
  font-size: 24px;
  margin-bottom: 8px;
}
.enhance-mode-name {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
}
.enhance-mode-card.active .enhance-mode-name { color: var(--yellow); }

/* Profile */
.profile-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 24px;
}
.profile-avatar {
  width: 64px; height: 64px;
  border-radius: 50%;
  border: 2px solid rgba(255,229,0,0.3);
  object-fit: cover;
  flex-shrink: 0;
}
.profile-info h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 4px;
}
.profile-info p { font-size: 13px; color: var(--text-muted); }
.profile-badge {
  margin-left: auto;
  padding: 6px 16px;
  background: rgba(255,229,0,0.1);
  border: 1px solid rgba(255,229,0,0.3);
  border-radius: 100px;
  font-size: 12px;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--yellow);
}

/* ── RESPONSIVE ── */
@media (max-width: 1200px) {
  .features-grid { grid-template-columns: repeat(4, 1fr); }
  .footer-grid { grid-template-columns: 1.5fr 1fr 1fr 1fr; }
  .footer-grid .footer-col:last-child { display: none; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .enhance-modes-grid { grid-template-columns: repeat(4, 1fr); }
}

@media (max-width: 1024px) {
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
  .features-grid { grid-template-columns: repeat(3, 1fr); }
  .upload-workspace { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr; gap: 20px; }
  .pricing-grid { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
  .pricing-card-featured { transform: none; }
  .pricing-card-featured:hover { transform: translateY(-4px); }
  .testimonials-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .dashboard-main { margin-left: 0; }
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .dashboard-grid { grid-template-columns: 1fr; }
  .enhance-modes-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
  .hero { padding: 100px 16px 60px; }
  .hero-title { letter-spacing: -2px; }
  .hero-stats { gap: 0; padding: 16px; }
  .stat-item { padding: 0 16px; }
  .stat-number { font-size: 24px; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .options-grid { grid-template-columns: repeat(3, 1fr); }
  .testimonials-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .cta-card { padding: 48px 24px; }
  .auth-card { padding: 32px 24px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .history-grid { grid-template-columns: repeat(2, 1fr); }
  .enhance-modes-grid { grid-template-columns: repeat(2, 1fr); }
  .trusted-logos { gap: 24px; }
  .trusted-logo { font-size: 15px; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .hero-cta { flex-direction: column; }
  .btn-primary, .btn-secondary { width: 100%; justify-content: center; }
  .hero-stats { flex-direction: column; gap: 16px; }
  .stat-divider { width: 40px; height: 1px; }
  .features-grid { grid-template-columns: 1fr; }
  .options-grid { grid-template-columns: repeat(2, 1fr); }
  .nav-actions .btn-nav-login { display: none; }
  .stats-grid { grid-template-columns: 1fr; }
  .enhance-modes-grid { grid-template-columns: repeat(2, 1fr); }
  .dashboard-main { padding: 16px; }
}

/* ── UTILITY ── */
.text-yellow { color: var(--yellow); }
.text-blue { color: var(--blue); }
.text-muted { color: var(--text-muted); }
.hidden { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }

/* ── GLOW PULSE ANIMATION ── */
@keyframes glowPulse {
  0%, 100% { box-shadow: 0 0 20px rgba(255,229,0,0.2); }
  50% { box-shadow: 0 0 40px rgba(255,229,0,0.4), 0 0 80px rgba(255,229,0,0.1); }
}

/* ── NEON TEXT FLICKER ── */
@keyframes neonFlicker {
  0%, 19%, 21%, 23%, 25%, 54%, 56%, 100% {
    filter: drop-shadow(0 0 8px var(--yellow)) drop-shadow(0 0 20px var(--yellow-glow));
  }
  20%, 24%, 55% { filter: none; }
}

/* ── SCAN LINE EFFECT ── */
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0,0,0,0.03) 2px,
    rgba(0,0,0,0.03) 4px
  );
  pointer-events: none;
  z-index: 0;
}