/* ============================================
   STUDIO E-BOOKA — LANDING PAGE
   Premium dark + ORANGE BRAND accent (#ffa500)
============================================ */

:root {
  /* Colors */
  --bg-dark: #0a0a0a;
  --bg-darker: #050505;
  --bg-card: #141414;
  --bg-light: #fafaf8;
  --bg-light-section: #f4f4f0;

  --border-light: #e5e5e0;
  --border-dark: #222;

  --text-light: #fafaf8;
  --text-light-secondary: #a8a8a0;
  --text-light-muted: #6a6a62;

  --text-dark: #0a0a0a;
  --text-dark-secondary: #444441;
  --text-dark-muted: #888780;

  /* BRAND ORANGE — #ffa500 */
  --accent: #ffa500;
  --accent-bright: #ffb733;
  --accent-dim: #cc8400;
  --accent-deep: #995f00;
  --accent-light-bg: #fff3e0;

  /* Typography */
  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'Inter', -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 5rem;
  --space-3xl: 7rem;

  /* Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-pill: 999px;

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
}

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

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

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-dark);
  background: var(--bg-light);
  overflow-x: hidden;
}

img, svg { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: var(--transition-fast); }
ul, ol { list-style: none; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.container-narrow { max-width: 800px; margin: 0 auto; padding: 0 24px; }

/* ANNOUNCEMENT BAR */
.announcement-bar {
  background: var(--bg-darker);
  color: var(--text-light);
  padding: 10px 0;
  font-size: 13px;
  text-align: center;
  border-bottom: 1px solid var(--border-dark);
  position: sticky;
  top: 0;
  z-index: 100;
}
.announcement-bar .container { display: flex; align-items: center; justify-content: center; gap: 10px; }
.announce-pulse {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 2s infinite;
  flex-shrink: 0;
  box-shadow: 0 0 12px var(--accent);
}
@keyframes pulse { 0%, 100% { opacity: 1; transform: scale(1); } 50% { opacity: 0.5; transform: scale(1.2); } }
.announcement-bar strong { color: var(--accent); font-weight: 600; }

/* COMMON */
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12px; font-weight: 600;
  letter-spacing: 1.5px; text-transform: uppercase;
  color: var(--accent-dim);
  margin-bottom: var(--space-md);
}
.eyebrow-light { color: var(--accent); }
.eyebrow-dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.text-accent { color: var(--accent); }

.section-header { text-align: center; margin-bottom: var(--space-2xl); }
.section-header .eyebrow { display: inline-flex; margin: 0 auto var(--space-md); }

.section-headline {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-md);
}
.section-headline-left { text-align: left; }

.section-subhead {
  font-size: 18px;
  color: var(--text-dark-secondary);
  max-width: 640px;
  margin: 0 auto;
  line-height: 1.6;
}

/* BUTTONS */
.btn {
  display: inline-flex; align-items: center; gap: 12px;
  font-family: var(--font-body); font-weight: 600; font-size: 16px;
  padding: 16px 32px;
  border-radius: var(--radius-pill);
  border: none; cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  position: relative; overflow: hidden;
}
.btn-primary {
  background: var(--accent);
  color: #1a1100;
  box-shadow: 0 8px 24px rgba(255, 165, 0, 0.35);
}
.btn-primary:hover {
  background: var(--accent-bright);
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(255, 165, 0, 0.5);
}
.btn-large { padding: 18px 36px; font-size: 17px; }
.btn-xlarge { padding: 22px 44px; font-size: 18px; }

.btn-arrow {
  width: 18px; height: 18px;
  fill: none; stroke: currentColor; stroke-width: 2;
  stroke-linecap: round; stroke-linejoin: round;
  transition: transform var(--transition-fast);
}
.btn:hover .btn-arrow { transform: translateX(4px); }

/* HERO */
.hero {
  background: var(--bg-dark);
  color: var(--text-light);
  padding: 80px 0 100px;
  position: relative;
  overflow: hidden;
}
.hero-grid-bg {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255, 165, 0, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 165, 0, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(circle at 50% 0%, black, transparent 70%);
  -webkit-mask-image: radial-gradient(circle at 50% 0%, black, transparent 70%);
  pointer-events: none;
}
.hero-container {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}
.hero-content { animation: fadeInUp 0.8s ease-out; }
@keyframes fadeInUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }

.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(40px, 5.5vw, 64px);
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: -0.025em;
  margin-bottom: 24px;
}
.hero-subheadline {
  font-size: 19px;
  line-height: 1.55;
  color: var(--text-light-secondary);
  margin-bottom: 32px;
  max-width: 560px;
}
.hero-subheadline strong { color: var(--text-light); font-weight: 500; }

.hero-bullets { display: flex; flex-direction: column; gap: 14px; margin-bottom: 36px; }
.hero-bullets li {
  display: flex; align-items: center; gap: 12px;
  font-size: 15px; color: var(--text-light-secondary);
}
.check-icon { width: 20px; height: 20px; fill: var(--accent); flex-shrink: 0; }

.hero-pricing {
  margin-bottom: 28px;
  padding: 20px 24px;
  background: rgba(255, 165, 0, 0.08);
  border: 1px solid rgba(255, 165, 0, 0.25);
  border-radius: var(--radius-md);
  display: inline-block;
}
.price-block { display: flex; align-items: baseline; gap: 12px; margin-bottom: 8px; }
.price-now {
  font-family: var(--font-display);
  font-size: 42px; font-weight: 700;
  color: var(--accent);
  line-height: 1;
}
.price-was { font-size: 20px; color: var(--text-light-muted); text-decoration: line-through; }
.price-note { font-size: 13px; color: var(--text-light-muted); line-height: 1.4; max-width: 380px; }
.price-omnibus {
  font-size: 11px;
  color: var(--text-light-muted);
  font-style: italic;
  margin-top: 6px;
  opacity: 0.75;
}

.hero-trust {
  display: flex; flex-wrap: wrap; gap: 20px;
  margin-top: 24px;
  font-size: 13px; color: var(--text-light-muted);
}
.hero-trust span { display: inline-flex; align-items: center; gap: 6px; }
.trust-icon { width: 14px; height: 14px; fill: var(--accent); }

.hero-visual { animation: fadeInUp 0.8s ease-out 0.2s backwards; }
.product-mockup { width: 100%; height: auto; filter: drop-shadow(0 30px 60px rgba(255, 165, 0, 0.18)); }

/* PROBLEM */
.problem { background: var(--bg-light); padding: var(--space-3xl) 0; }
.problem-headline {
  font-family: var(--font-display);
  font-size: clamp(32px, 4vw, 44px);
  font-weight: 600; line-height: 1.2;
  letter-spacing: -0.02em;
  text-align: center;
  margin-bottom: var(--space-xl);
}
.problem-body { font-size: 18px; line-height: 1.7; color: var(--text-dark-secondary); }
.problem-body p { margin-bottom: 20px; }
.problem-body em { font-style: italic; color: var(--text-dark); }
.highlight {
  background: linear-gradient(180deg, transparent 60%, rgba(255, 165, 0, 0.3) 60%);
  padding: 0 4px; font-weight: 500;
  color: var(--text-dark);
}
.problem-conclusion {
  margin-top: 40px !important;
  padding-top: 32px;
  border-top: 1px solid var(--border-light);
  font-size: 22px !important;
  text-align: center;
  color: var(--text-dark) !important;
}

/* MODES */
.modes { background: var(--bg-light-section); padding: var(--space-3xl) 0; }
.modes-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 20px; }
.mode-card {
  background: white;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  position: relative;
  transition: all var(--transition-base);
  overflow: hidden;
}
.mode-card::before {
  content: ''; position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px; background: var(--mode-color);
}
.mode-purple { --mode-color: #7F77DD; --mode-bg: #EEEDFE; }
.mode-teal { --mode-color: #1d9e75; --mode-bg: #E1F5EE; }
.mode-amber { --mode-color: #ffa500; --mode-bg: #fff3e0; }
.mode-coral { --mode-color: #D85A30; --mode-bg: #FAECE7; }
.mode-blue { --mode-color: #378ADD; --mode-bg: #E6F1FB; }

.mode-card:hover { transform: translateY(-4px); box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08); }
.mode-letter {
  display: inline-flex; align-items: center; justify-content: center;
  width: 48px; height: 48px;
  border-radius: 12px;
  background: var(--mode-bg);
  color: var(--mode-color);
  font-family: var(--font-display);
  font-size: 24px; font-weight: 700;
  margin-bottom: 16px;
}
.mode-title {
  font-family: var(--font-display);
  font-size: 22px; font-weight: 600;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}
.mode-description { font-size: 14px; line-height: 1.6; color: var(--text-dark-secondary); margin-bottom: 20px; }
.mode-time {
  font-family: var(--font-mono); font-size: 12px;
  color: var(--mode-color); font-weight: 500;
  padding: 6px 12px; background: var(--mode-bg);
  border-radius: var(--radius-pill);
  display: inline-block;
}

/* PREVIEW */
.preview { background: var(--bg-light); padding: var(--space-3xl) 0; }
.preview-visual {
  margin: var(--space-xl) auto;
  max-width: 800px;
  filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.08));
}
.ebook-preview { width: 100%; height: auto; }
.preview-caption {
  text-align: center;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-dark-muted);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-top: var(--space-md);
}

/* BENEFITS */
.benefits { background: var(--bg-light-section); padding: var(--space-3xl) 0; }
.benefits-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
.benefits-list .section-headline { font-size: clamp(28px, 3.5vw, 38px); margin-bottom: var(--space-lg); }
.check-list { display: flex; flex-direction: column; gap: 20px; }
.check-list li {
  display: flex; gap: 16px; align-items: flex-start;
  font-size: 16px; line-height: 1.6;
  color: var(--text-dark-secondary);
}
.check-list strong { color: var(--text-dark); font-weight: 600; }
.check-bold { width: 24px; height: 24px; flex-shrink: 0; margin-top: 2px; }

.bonus-card {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dim) 100%);
  color: #1a1100;
  padding: 40px;
  border-radius: var(--radius-xl);
  position: relative;
  overflow: hidden;
}
.bonus-card::before {
  content: ''; position: absolute;
  top: -50%; right: -20%;
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(255,255,255,0.18) 0%, transparent 70%);
  pointer-events: none;
}
.bonus-tag {
  display: inline-block;
  background: rgba(0, 0, 0, 0.18);
  backdrop-filter: blur(10px);
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  font-size: 12px; font-weight: 700;
  letter-spacing: 1px;
  margin-bottom: 20px;
  color: #1a1100;
}
.bonus-headline {
  font-family: var(--font-display);
  font-size: 26px; font-weight: 600;
  line-height: 1.3;
  margin-bottom: 24px;
  letter-spacing: -0.01em;
  color: #1a1100;
}
.bonus-list { display: flex; flex-direction: column; gap: 12px; margin-bottom: 24px; }
.bonus-list li {
  font-size: 15px;
  padding-left: 24px;
  position: relative;
  line-height: 1.5;
  color: #2a1a00;
}
.bonus-list li::before {
  content: '✓';
  position: absolute; left: 0;
  font-weight: 700;
  color: #1a1100;
}
.bonus-list strong { font-weight: 600; }
.bonus-fineprint {
  font-size: 13px;
  opacity: 0.85;
  border-top: 1px solid rgba(0, 0, 0, 0.18);
  padding-top: 16px;
  color: #2a1a00;
}

/* FOR WHOM */
.for-whom { background: var(--bg-light); padding: var(--space-3xl) 0; }
.for-whom-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.for-whom-card { padding: 40px; border-radius: var(--radius-xl); position: relative; }
.for-whom-yes { background: var(--accent-light-bg); border: 2px solid var(--accent); }
.for-whom-no { background: var(--bg-light-section); border: 1px solid var(--border-light); }

.for-whom-icon {
  width: 56px; height: 56px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 32px; font-weight: 700;
  margin-bottom: 20px;
  font-family: var(--font-display);
}
.for-whom-yes .for-whom-icon { background: var(--accent); color: #1a1100; }
.for-whom-no .for-whom-icon { background: white; color: var(--text-dark-muted); border: 1px solid var(--border-light); }

.for-whom-card h3 {
  font-family: var(--font-display);
  font-size: 24px; font-weight: 600;
  margin-bottom: 24px;
  letter-spacing: -0.01em;
}
.for-whom-yes h3 { color: var(--accent-deep); }

.for-whom-card ul { display: flex; flex-direction: column; gap: 14px; }
.for-whom-card li {
  font-size: 15px; line-height: 1.55;
  padding-left: 28px;
  position: relative;
  color: var(--text-dark-secondary);
}
.for-whom-yes li::before { content: '✓'; position: absolute; left: 0; top: 0; color: var(--accent-deep); font-weight: 700; font-size: 18px; }
.for-whom-no li::before { content: '×'; position: absolute; left: 0; top: -2px; color: var(--text-dark-muted); font-weight: 700; font-size: 22px; }

/* AUTHOR */
.author { background: var(--bg-light-section); padding: var(--space-3xl) 0; }
.author-grid { display: grid; grid-template-columns: 320px 1fr; gap: 60px; align-items: start; }
.author-photo { position: relative; }
.author-photo img { width: 100%; border-radius: var(--radius-xl); position: relative; z-index: 1; }
.author-photo-glow {
  position: absolute; inset: -20px;
  background: radial-gradient(circle, rgba(255, 165, 0, 0.18) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}
.author-name {
  font-family: var(--font-display);
  font-size: 42px; font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 4px;
}
.author-role {
  font-family: var(--font-mono);
  font-size: 14px; color: var(--text-dark-muted);
  margin-bottom: var(--space-lg);
  letter-spacing: 0.5px;
}
.author-bio p {
  font-size: 16px; line-height: 1.7;
  color: var(--text-dark-secondary);
  margin-bottom: 16px;
}
.author-mission {
  padding-top: 20px !important;
  border-top: 1px solid var(--border-light);
  margin-top: 24px !important;
  font-size: 17px !important;
  color: var(--text-dark) !important;
}
.author-mission strong { color: var(--accent-deep); }

.author-links { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 24px; }
.author-link {
  font-family: var(--font-mono);
  font-size: 13px; color: var(--accent-deep);
  padding: 8px 14px;
  background: white;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-pill);
  transition: all var(--transition-fast);
}
.author-link:hover { border-color: var(--accent); background: var(--accent-light-bg); transform: translateY(-1px); }

/* FAQ */
.faq { background: var(--bg-light); padding: var(--space-3xl) 0; }
.faq-list { display: flex; flex-direction: column; gap: 12px; margin-top: var(--space-xl); }
.faq-item {
  background: var(--bg-light-section);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
}
.faq-item[open] {
  background: white;
  border-color: var(--accent);
  box-shadow: 0 8px 24px rgba(255, 165, 0, 0.08);
}
.faq-item summary {
  padding: 24px 28px;
  font-size: 17px; font-weight: 500;
  cursor: pointer; list-style: none;
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px;
  color: var(--text-dark);
  font-family: var(--font-display);
  letter-spacing: -0.01em;
  transition: color var(--transition-fast);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+';
  font-size: 28px; font-weight: 300;
  color: var(--accent);
  transition: transform var(--transition-base);
  flex-shrink: 0;
  line-height: 1;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-answer {
  padding: 0 28px 24px;
  font-size: 15px; line-height: 1.7;
  color: var(--text-dark-secondary);
  border-top: 1px solid var(--border-light);
  padding-top: 20px;
  margin-top: 4px;
}
.faq-answer p { margin-bottom: 12px; }
.faq-answer ul { margin: 12px 0; padding-left: 20px; }
.faq-answer ul li { list-style: disc; margin-bottom: 6px; }
.faq-answer a { color: var(--accent-deep); text-decoration: underline; }

/* FINAL CTA */
.final-cta {
  background: var(--bg-dark);
  color: var(--text-light);
  padding: var(--space-3xl) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-grid-bg {
  position: absolute; inset: 0;
  background-image: radial-gradient(circle at 50% 50%, rgba(255, 165, 0, 0.18) 0%, transparent 50%);
  pointer-events: none;
}
.final-cta .container-narrow { position: relative; z-index: 1; }
.final-cta .eyebrow { display: inline-flex; margin-bottom: var(--space-md); }

.cta-headline {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.025em;
  margin-bottom: var(--space-xl);
}
.cta-pricing { display: flex; align-items: baseline; justify-content: center; gap: 20px; margin-bottom: var(--space-md); }
.cta-price-now {
  font-family: var(--font-display);
  font-size: 88px; font-weight: 700;
  color: var(--accent);
  line-height: 1;
}
.cta-currency { font-size: 32px; font-weight: 500; margin-left: 4px; }
.cta-price-was { font-size: 28px; color: var(--text-light-muted); text-decoration: line-through; }

.cta-note {
  font-size: 16px;
  color: var(--text-light-secondary);
  margin-bottom: var(--space-md);
  max-width: 560px;
  margin-left: auto; margin-right: auto;
  line-height: 1.5;
}
.cta-omnibus {
  font-size: 12px;
  color: var(--text-light-muted);
  font-style: italic;
  margin-bottom: var(--space-xl);
  opacity: 0.7;
}
.cta-trust {
  display: flex; justify-content: center; flex-wrap: wrap;
  gap: 28px;
  margin-top: var(--space-xl);
  font-size: 14px; color: var(--text-light-muted);
}
.cta-trust span { display: inline-flex; align-items: center; gap: 6px; }

/* FOOTER */
.footer {
  background: var(--bg-darker);
  color: var(--text-light-muted);
  padding: 40px 0;
  text-align: center;
  font-size: 14px;
}
.footer a {
  color: var(--accent);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-fast);
}
.footer a:hover { border-bottom-color: var(--accent); }
.footer-links {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 16px;
  font-size: 13px;
}
.footer-sep {
  color: var(--text-light-muted);
  opacity: 0.5;
}
.footer-copyright { margin-top: 12px; font-size: 12px; opacity: 0.7; }

/* REVEAL ANIMATIONS */
.reveal {
  opacity: 0; transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* RESPONSIVE */
@media (max-width: 968px) {
  .hero { padding: 60px 0 80px; }
  .hero-container { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { order: -1; max-width: 480px; margin: 0 auto; }
  .benefits-grid, .for-whom-grid, .author-grid { grid-template-columns: 1fr; gap: 40px; }
  .author-photo { max-width: 280px; margin: 0 auto; }
  .modes-grid { grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }
}

@media (max-width: 640px) {
  .container, .container-narrow { padding: 0 20px; }
  .announcement-bar { font-size: 12px; }
  .announcement-bar .container { flex-direction: column; gap: 4px; }
  .hero { padding: 40px 0 60px; }
  .hero-pricing { width: 100%; }
  .price-now { font-size: 36px; }
  .btn-large, .btn-xlarge { width: 100%; justify-content: center; }
  .cta-price-now { font-size: 64px; }
  .cta-currency { font-size: 24px; }
  .for-whom-card, .bonus-card { padding: 28px 24px; }
  .modes-grid { grid-template-columns: 1fr; }
  section { padding: 60px 0 !important; }
  .faq-item summary { padding: 18px 22px; font-size: 16px; }
  .faq-answer { padding: 16px 22px 22px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
  .reveal { opacity: 1; transform: none; }
}