/* ============================================
   RELIEFFORGE — STYLES.CSS
   Palette: Volcanic Glass (Industrial/CNC)
   Fonts: Neue Machina + Syne + Space Mono
   ============================================ */

/* --- CSS VARIABLES --- */
:root {
  --bg-primary: #111111;
  --bg-secondary: #1A1A1A;
  --bg-card: #1E1E1E;
  --bg-card-hover: #242424;
  --border: rgba(255,255,255,0.08);
  --border-bright: rgba(255,255,255,0.15);
  --accent: #FF6B2B;
  --accent-hover: #FF8A50;
  --accent-dim: rgba(255,107,43,0.15);
  --accent-glow: rgba(255,107,43,0.3);
  --blue: #3B82F6;
  --blue-dim: rgba(59,130,246,0.15);
  --green: #22C55E;
  --green-dim: rgba(34,197,94,0.15);
  --purple: #A855F7;
  --purple-dim: rgba(168,85,247,0.15);
  --red: #EF4444;
  --red-dim: rgba(239,68,68,0.15);
  --text-primary: #F0EDE8;
  --text-secondary: #9A9590;
  --text-muted: #5A5550;
  --font-display: 'Syne', sans-serif;
  --font-body: 'Neue Machina', sans-serif;
  --font-mono: 'Space Mono', monospace;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --shadow-card: 0 4px 24px rgba(0,0,0,0.4);
  --shadow-glow: 0 0 60px rgba(255,107,43,0.2);
  --transition: 0.25s cubic-bezier(0.4,0,0.2,1);
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

/* --- NOISE OVERLAY --- */
.noise-overlay {
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 9999;
  opacity: 0.4;
}

/* --- SCROLLBAR --- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 3px; }

/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 0 24px;
  transition: background var(--transition), border-color var(--transition);
  border-bottom: 1px solid transparent;
}

.navbar.scrolled {
  background: rgba(17,17,17,0.92);
  backdrop-filter: blur(20px);
  border-bottom-color: var(--border);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  height: 72px;
  display: flex;
  align-items: center;
  gap: 40px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.logo-text {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.logo-accent { color: var(--accent); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  flex: 1;
}

.nav-links a {
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--text-secondary);
  transition: color var(--transition);
  letter-spacing: 0.02em;
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-left: auto;
}

/* --- BUTTONS --- */
.btn-ghost {
  padding: 8px 18px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: color var(--transition);
  font-family: var(--font-body);
}
.btn-ghost:hover { color: var(--text-primary); }

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 22px;
  background: var(--accent);
  color: #fff;
  font-size: 0.875rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  font-family: var(--font-body);
  letter-spacing: 0.01em;
}
.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px var(--accent-glow);
}
.btn-primary:active { transform: translateY(0); }

.btn-large {
  padding: 14px 28px;
  font-size: 1rem;
  border-radius: var(--radius-md);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 22px;
  background: transparent;
  color: var(--text-primary);
  font-size: 0.875rem;
  font-weight: 600;
  border: 1px solid var(--border-bright);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  font-family: var(--font-body);
}
.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-dim);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  margin-left: auto;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition);
}

/* --- MOBILE MENU --- */
.mobile-menu {
  position: fixed;
  top: 72px; left: 0; right: 0;
  background: rgba(17,17,17,0.98);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 24px;
  z-index: 999;
  transform: translateY(-110%);
  transition: transform 0.35s cubic-bezier(0.4,0,0.2,1);
}
.mobile-menu.open { transform: translateY(0); }
.mobile-menu ul { display: flex; flex-direction: column; gap: 16px; }
.mobile-link {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-secondary);
  display: block;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
}
.mobile-cta { margin-top: 8px; text-align: center; justify-content: center; }

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 60px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 120px 24px 80px;
  position: relative;
}

.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,107,43,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,107,43,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 100%);
  pointer-events: none;
}

.hero-glow {
  position: absolute;
  top: 20%;
  left: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(255,107,43,0.12) 0%, transparent 70%);
  pointer-events: none;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: var(--accent-dim);
  border: 1px solid rgba(255,107,43,0.3);
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 24px;
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}

.badge-dot {
  width: 7px;
  height: 7px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4vw, 3.4rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
  color: var(--text-primary);
}

.title-highlight {
  color: var(--accent);
  position: relative;
}

.hero-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 36px;
  max-width: 480px;
}

.hero-subtitle strong { color: var(--text-primary); }

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 0;
  padding: 20px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  width: fit-content;
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0 24px;
}

.stat-number {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -0.02em;
}

.stat-label {
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 2px;
  font-family: var(--font-mono);
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}

/* --- CONVERTER CARD --- */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.converter-card {
  width: 100%;
  max-width: 440px;
  background: var(--bg-card);
  border: 1px solid var(--border-bright);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-card), 0 0 80px rgba(255,107,43,0.1);
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}

.converter-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
}

.converter-dots { display: flex; gap: 6px; }
.dot {
  width: 12px; height: 12px;
  border-radius: 50%;
}
.dot.red { background: #FF5F57; }
.dot.yellow { background: #FEBC2E; }
.dot.green { background: #28C840; }

.converter-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  flex: 1;
  text-align: center;
}

.credit-badge {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  background: var(--accent-dim);
  border: 1px solid rgba(255,107,43,0.25);
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent);
  font-family: var(--font-mono);
}

.converter-body { padding: 20px; display: flex; flex-direction: column; gap: 16px; }

.upload-zone {
  border: 2px dashed var(--border-bright);
  border-radius: var(--radius-md);
  padding: 28px 20px;
  text-align: center;
  transition: all var(--transition);
  cursor: pointer;
  background: rgba(255,255,255,0.02);
}
.upload-zone:hover, .upload-zone.drag-over {
  border-color: var(--accent);
  background: var(--accent-dim);
}
.upload-zone.has-file {
  border-color: var(--green);
  background: var(--green-dim);
}

.upload-icon { color: var(--text-muted); margin-bottom: 10px; display: flex; justify-content: center; }
.upload-text { font-size: 0.9rem; font-weight: 600; color: var(--text-primary); margin-bottom: 4px; }
.upload-sub { font-size: 0.75rem; color: var(--text-muted); margin-bottom: 14px; font-family: var(--font-mono); }

.btn-upload {
  padding: 7px 18px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-bright);
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-primary);
  transition: all var(--transition);
  font-family: var(--font-body);
}
.btn-upload:hover { border-color: var(--accent); color: var(--accent); }

.format-label {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 8px;
  font-family: var(--font-mono);
}

.format-tabs { display: flex; gap: 8px; }

.format-tab {
  flex: 1;
  padding: 10px 8px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  transition: all var(--transition);
  font-family: var(--font-body);
}
.format-tab:hover { border-color: var(--border-bright); }
.format-tab.active {
  background: var(--accent-dim);
  border-color: var(--accent);
}
.format-name {
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--text-primary);
  font-family: var(--font-mono);
}
.format-tab.active .format-name { color: var(--accent); }
.format-desc { font-size: 0.65rem; color: var(--text-muted); }

.relief-settings { display: flex; flex-direction: column; gap: 10px; }

.setting-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.setting-row label {
  font-size: 0.78rem;
  color: var(--text-secondary);
  font-weight: 600;
  white-space: nowrap;
  font-family: var(--font-mono);
}

.slider-wrap { display: flex; align-items: center; gap: 10px; flex: 1; }

.relief-slider {
  flex: 1;
  -webkit-appearance: none;
  height: 4px;
  background: var(--border-bright);
  border-radius: 2px;
  outline: none;
}
.relief-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px; height: 16px;
  background: var(--accent);
  border-radius: 50%;
  cursor: pointer;
  box-shadow: 0 0 8px var(--accent-glow);
}

.slider-val {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent);
  font-family: var(--font-mono);
  min-width: 36px;
  text-align: right;
}

.setting-select {
  flex: 1;
  padding: 6px 10px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.78rem;
  outline: none;
  cursor: pointer;
  transition: border-color var(--transition);
}
.setting-select:focus { border-color: var(--accent); }

.btn-convert {
  width: 100%;
  padding: 14px;
  background: var(--accent);
  color: #fff;
  font-size: 0.95rem;
  font-weight: 700;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  transition: all var(--transition);
  font-family: var(--font-body);
  letter-spacing: 0.01em;
}
.btn-convert:hover {
  background: var(--accent-hover);
  box-shadow: 0 8px 24px var(--accent-glow);
  transform: translateY(-1px);
}
.btn-convert:active { transform: translateY(0); }

.progress-wrap { display: flex; flex-direction: column; gap: 8px; }

.progress-bar {
  height: 6px;
  background: var(--border);
  border-radius: 3px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-hover));
  border-radius: 3px;
  width: 0%;
  transition: width 0.3s ease;
}

.progress-text {
  font-size: 0.75rem;
  color: var(--text-secondary);
  text-align: center;
  font-family: var(--font-mono);
}

/* ============================================
   TRUST BANNER
   ============================================ */
.trust-banner {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg-secondary);
  padding: 20px 24px;
  overflow: hidden;
}

.trust-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
  justify-content: center;
}

.trust-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  white-space: nowrap;
}

.trust-logos {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
}

.trust-item {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-secondary);
  font-family: var(--font-display);
  letter-spacing: 0.05em;
  transition: color var(--transition);
}
.trust-item:hover { color: var(--accent); }

.trust-sep { color: var(--text-muted); }

/* ============================================
   SECTIONS COMMON
   ============================================ */
.section-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 100px 24px;
}

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

.section-tag {
  display: inline-block;
  padding: 5px 14px;
  background: var(--accent-dim);
  border: 1px solid rgba(255,107,43,0.25);
  border-radius: 100px;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-family: var(--font-mono);
  margin-bottom: 16px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.section-sub {
  font-size: 1rem;
  color: var(--text-secondary);
  max-width: 520px;
  margin: 0 auto;
  line-height: 1.7;
}

/* --- REVEAL ANIMATION --- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   FEATURES
   ============================================ */
.features { background: var(--bg-primary); }

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

.feature-large { grid-column: span 2; }

.feature-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;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}

.feature-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-bright);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}
.feature-card:hover::before { opacity: 1; }

.feature-icon-wrap {
  width: 52px; height: 52px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.feature-icon-wrap.orange { background: var(--accent-dim); color: var(--accent); }
.feature-icon-wrap.blue { background: var(--blue-dim); color: var(--blue); }
.feature-icon-wrap.green { background: var(--green-dim); color: var(--green); }
.feature-icon-wrap.purple { background: var(--purple-dim); color: var(--purple); }
.feature-icon-wrap.red { background: var(--red-dim); color: var(--red); }

.feature-card h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.feature-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.feature-badge {
  display: inline-block;
  margin-top: 16px;
  padding: 4px 12px;
  background: var(--accent-dim);
  border: 1px solid rgba(255,107,43,0.25);
  border-radius: 100px;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--accent);
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ============================================
   HOW IT WORKS
   ============================================ */
.how-it-works {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.steps-container {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  position: relative;
}

.step-line {
  position: absolute;
  top: 40px;
  left: calc(16.66% + 20px);
  right: calc(16.66% + 20px);
  height: 1px;
  background: linear-gradient(90deg, var(--accent), rgba(255,107,43,0.3), var(--accent));
  z-index: 0;
}

.step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
  z-index: 1;
}

.step-number {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.1em;
  margin-bottom: 16px;
  background: var(--bg-secondary);
  padding: 0 8px;
}

.step-icon {
  width: 80px; height: 80px;
  background: var(--bg-card);
  border: 1px solid var(--border-bright);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  margin-bottom: 24px;
  transition: all var(--transition);
  box-shadow: 0 0 0 8px var(--bg-secondary);
}

.step:hover .step-icon {
  background: var(--accent-dim);
  border-color: var(--accent);
  box-shadow: 0 0 0 8px var(--bg-secondary), 0 0 24px var(--accent-glow);
}

.step-content h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.step-content p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ============================================
   FORMATS
   ============================================ */
.formats { background: var(--bg-primary); }

.formats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.format-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all var(--transition);
  position: relative;
}

.format-card:hover {
  border-color: var(--border-bright);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}

.active-format {
  border-color: var(--accent) !important;
  background: linear-gradient(135deg, var(--bg-card), rgba(255,107,43,0.05));
}

.format-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.format-ext {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.05em;
}
.format-ext.stl { color: var(--blue); }
.format-ext.dxf { color: var(--green); }

.format-badge-tag {
  padding: 3px 10px;
  background: var(--accent-dim);
  border: 1px solid rgba(255,107,43,0.3);
  border-radius: 100px;
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--accent);
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.format-card h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
}

.format-card p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 20px;
}

.format-features {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 24px;
}

.format-features li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.format-features li svg { color: var(--green); flex-shrink: 0; }

.format-cost {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  padding-top: 16px;
  border-top: 1px solid var(--border);
}
.format-cost span { color: var(--accent); font-weight: 700; }

/* ============================================
   PRICING
   ============================================ */
.pricing {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 32px;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  transition: all var(--transition);
  position: relative;
}

.pricing-card:hover {
  border-color: var(--border-bright);
  transform: translateY(-4px);
}

.pricing-featured {
  border-color: var(--accent) !important;
  background: linear-gradient(135deg, var(--bg-card), rgba(255,107,43,0.06));
  box-shadow: 0 0 40px rgba(255,107,43,0.15);
}

.plan-popular {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  padding: 4px 16px;
  background: var(--accent);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  border-radius: 100px;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  white-space: nowrap;
}

.plan-name {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 16px;
}

.plan-price {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin-bottom: 16px;
}

.price-amount {
  font-family: var(--font-display);
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.04em;
}

.price-period {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.plan-credits {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  background: var(--accent-dim);
  border: 1px solid rgba(255,107,43,0.2);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent);
  font-family: var(--font-mono);
  margin-bottom: 24px;
  width: fit-content;
}

.plan-features {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 28px;
}

.plan-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.plan-features li svg { color: var(--green); flex-shrink: 0; }

.btn-plan-free, .btn-plan-pro, .btn-plan-studio {
  width: 100%;
  padding: 13px;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 700;
  transition: all var(--transition);
  font-family: var(--font-body);
  letter-spacing: 0.01em;
}

.btn-plan-free {
  background: transparent;
  border: 1px solid var(--border-bright);
  color: var(--text-primary);
}
.btn-plan-free:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-dim); }

.btn-plan-pro {
  background: var(--accent);
  color: #fff;
  border: 1px solid var(--accent);
}
.btn-plan-pro:hover { background: var(--accent-hover); box-shadow: 0 8px 24px var(--accent-glow); transform: translateY(-1px); }

.btn-plan-studio {
  background: transparent;
  border: 1px solid var(--border-bright);
  color: var(--text-primary);
}
.btn-plan-studio:hover { border-color: var(--text-primary); }

.credit-info-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  color: var(--text-secondary);
}
.credit-info-bar svg { color: var(--blue); flex-shrink: 0; }
.credit-info-bar strong { color: var(--text-primary); }

/* ============================================
   TESTIMONIALS
   ============================================ */
.testimonials { background: var(--bg-primary); }

.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);
}

.testimonial-card:hover {
  border-color: var(--border-bright);
  transform: translateY(-4px);
}

.stars {
  color: #FEBC2E;
  font-size: 1rem;
  letter-spacing: 2px;
  margin-bottom: 16px;
}

.testimonial-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 24px;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.author-avatar {
  width: 40px; height: 40px;
  background: var(--accent-dim);
  border: 1px solid rgba(255,107,43,0.3);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent);
  font-family: var(--font-mono);
  flex-shrink: 0;
}

.testimonial-author strong {
  display: block;
  font-size: 0.875rem;
  color: var(--text-primary);
  font-weight: 700;
}

.testimonial-author span {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

/* ============================================
   CTA SECTION
   ============================================ */
.cta-section {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
  text-align: center;
  padding: 100px 24px;
}

.cta-glow {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 600px; height: 400px;
  background: radial-gradient(ellipse, rgba(255,107,43,0.15) 0%, transparent 70%);
  pointer-events: none;
}

.cta-inner { position: relative; z-index: 1; max-width: 600px; margin: 0 auto; }

.cta-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.cta-sub {
  font-size: 1.05rem;
  color: var(--text-secondary);
  margin-bottom: 36px;
  line-height: 1.6;
}

.btn-cta-main {
  font-size: 1.05rem;
  padding: 16px 36px;
  margin-bottom: 20px;
}

.cta-note {
  font-size: 0.82rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--bg-primary);
  border-top: 1px solid var(--border);
  padding: 0 24px;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 64px 0 48px;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 48px;
}

.footer-brand p {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-top: 16px;
  max-width: 280px;
}

.footer-links { display: contents; }

.footer-col h4 {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 16px;
}

.footer-col ul { display: flex; flex-direction: column; gap: 10px; }

.footer-col a {
  font-size: 0.875rem;
  color: var(--text-muted);
  transition: color var(--transition);
}
.footer-col a:hover { color: var(--accent); }

.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px 0;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.78rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

/* ============================================
   MODAL
   ============================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.75);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.modal-overlay.open {
  opacity: 1;
  pointer-events: all;
}

.modal {
  background: var(--bg-card);
  border: 1px solid var(--border-bright);
  border-radius: var(--radius-xl);
  padding: 40px;
  width: 100%;
  max-width: 460px;
  position: relative;
  transform: translateY(20px) scale(0.97);
  transition: transform 0.3s cubic-bezier(0.4,0,0.2,1);
  max-height: 90vh;
  overflow-y: auto;
}

.modal-overlay.open .modal {
  transform: translateY(0) scale(1);
}

.modal-close {
  position: absolute;
  top: 16px; right: 16px;
  width: 36px; height: 36px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: all var(--transition);
}
.modal-close:hover { border-color: var(--accent); color: var(--accent); }

.modal-header { text-align: center; margin-bottom: 24px; }

.modal-logo {
  display: flex;
  justify-content: center;
  margin-bottom: 16px;
}

.modal-header h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}

.modal-header p {
  font-size: 0.875rem;
  color: var(--text-secondary);
}
.modal-header p strong { color: var(--accent); }

.modal-tabs {
  display: flex;
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  padding: 4px;
  margin-bottom: 24px;
}

.modal-tab {
  flex: 1;
  padding: 9px;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-muted);
  transition: all var(--transition);
  font-family: var(--font-body);
}
.modal-tab.active {
  background: var(--bg-card);
  color: var(--text-primary);
  box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

.modal-form { display: flex; flex-direction: column; gap: 16px; }

.form-group { display: flex; flex-direction: column; gap: 6px; }

.form-group label {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-secondary);
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.form-group input {
  padding: 12px 14px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.9rem;
  outline: none;
  transition: border-color var(--transition);
}
.form-group input:focus { border-color: var(--accent); }
.form-group input::placeholder { color: var(--text-muted); }

.password-wrap { position: relative; }
.password-wrap input { width: 100%; padding-right: 44px; }

.toggle-pass {
  position: absolute;
  right: 12px; top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  transition: color var(--transition);
}
.toggle-pass:hover { color: var(--accent); }

.form-check {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.form-check input[type="checkbox"] {
  width: 16px; height: 16px;
  accent-color: var(--accent);
  flex-shrink: 0;
  margin-top: 2px;
}

.form-check label {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.5;
}
.form-check a { color: var(--accent); }

.btn-modal-submit {
  width: 100%;
  padding: 14px;
  background: var(--accent);
  color: #fff;
  font-size: 0.95rem;
  font-weight: 700;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: all var(--transition);
  font-family: var(--font-body);
  margin-top: 4px;
}
.btn-modal-submit:hover { background: var(--accent-hover); box-shadow: 0 8px 24px var(--accent-glow); }

.form-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-muted);
  font-size: 0.78rem;
  font-family: var(--font-mono);
}
.form-divider::before, .form-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

.social-btns { display: flex; gap: 12px; }

.btn-social {
  flex: 1;
  padding: 10px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  transition: all var(--transition);
  font-family: var(--font-body);
}
.btn-social:hover { border-color: var(--border-bright); color: var(--text-primary); }

/* --- SUCCESS STATE --- */
.modal-success {
  text-align: center;
  padding: 20px 0;
}

.success-icon {
  width: 80px; height: 80px;
  background: var(--green-dim);
  border: 1px solid rgba(34,197,94,0.3);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--green);
  margin: 0 auto 24px;
  animation: success-pop 0.5s cubic-bezier(0.4,0,0.2,1);
}

@keyframes success-pop {
  0% { transform: scale(0.5); opacity: 0; }
  70% { transform: scale(1.1); }
  100% { transform: scale(1); opacity: 1; }
}

.modal-success h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 10px;
}

.modal-success p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

/* --- SPIN ANIMATION --- */
.spin {
  animation: spin 1s linear infinite;
}
@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .hero {
    grid-template-columns: 1fr;
    text-align: center;
    padding-top: 100px;
  }
  .hero-subtitle { margin: 0 auto 36px; }
  .hero-cta-group { justify-content: center; }
  .hero-stats { margin: 0 auto; }
  .hero-visual { order: -1; }
  .converter-card { max-width: 400px; }
  .features-grid { grid-template-columns: 1fr 1fr; }
  .feature-large { grid-column: span 2; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav-links, .nav-actions { display: none; }
  .hamburger { display: flex; }
  .hero { padding: 90px 20px 60px; gap: 40px; }
  .hero-title { font-size: 2rem; }
  .hero-stats { flex-direction: column; gap: 16px; width: 100%; }
  .stat-divider { width: 100%; height: 1px; }
  .stat-item { flex-direction: row; justify-content: space-between; width: 100%; }
  .features-grid { grid-template-columns: 1fr; }
  .feature-large { grid-column: span 1; }
  .steps-container { grid-template-columns: 1fr; gap: 32px; }
  .step-line { display: none; }
  .formats-grid { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
  .section-inner { padding: 64px 20px; }
  .modal { padding: 28px 24px; }
}

@media (max-width: 480px) {
  .hero-cta-group { flex-direction: column; width: 100%; }
  .btn-large { width: 100%; justify-content: center; }
  .footer-inner { grid-template-columns: 1fr; }
  .trust-inner { flex-direction: column; gap: 12px; }
  .social-btns { flex-direction: column; }
}