/* ============================================
   HUGO THACK — LANDING PAGE
   Dark cinematic author site
   ============================================ */

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

:root {
  /* Type Scale */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 5rem);

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Custom Dark Palette — cinematic noir */
  --color-bg: #0a0a0a;
  --color-surface: #111111;
  --color-surface-2: #161616;
  --color-surface-raised: #1a1a1a;
  --color-border: #222222;
  --color-border-subtle: #1a1a1a;
  --color-text: #e8e6e3;
  --color-text-muted: #8a8a8a;
  --color-text-faint: #777777;
  --color-accent: #3b82f6;
  --color-accent-hover: #60a5fa;
  --color-accent-dim: rgba(59, 130, 246, 0.15);
  --color-warm: #d4c5a9;

  /* Fonts */
  --font-display: 'Cormorant Garamond', 'Georgia', serif;
  --font-body: 'Inter', 'Helvetica Neue', sans-serif;

  /* Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;

  /* Transitions */
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);

  /* Content widths */
  --content-default: 960px;
  --content-wide: 1200px;
}

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  min-height: 100dvh;
  line-height: 1.6;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  overflow-x: hidden;
}

img, picture, svg { display: block; max-width: 100%; height: auto; }
ul[role='list'] { list-style: none; }
input, button, textarea, select { font: inherit; color: inherit; }

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  text-wrap: balance;
  line-height: 1.1;
}

p, li, figcaption {
  text-wrap: pretty;
  max-width: 72ch;
}

::selection {
  background: rgba(59, 130, 246, 0.25);
  color: var(--color-text);
}

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

a, button, [role='button'], input, textarea {
  transition:
    color var(--transition-interactive),
    background var(--transition-interactive),
    border-color var(--transition-interactive),
    box-shadow var(--transition-interactive),
    transform var(--transition-interactive),
    opacity var(--transition-interactive);
}

button { cursor: pointer; background: none; border: none; }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border-width: 0;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}


/* --- NAVIGATION --- */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: var(--space-4) var(--space-6);
  background: rgba(10, 10, 10, 0);
  backdrop-filter: blur(0px);
  transition: background 0.4s ease, backdrop-filter 0.4s ease, box-shadow 0.4s ease;
}

.site-nav.scrolled {
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(255,255,255,0.04);
}

.nav-inner {
  max-width: var(--content-wide);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  color: var(--color-text);
  text-decoration: none;
  opacity: 0.8;
  z-index: 102;
}
.nav-logo:hover { opacity: 1; }

.nav-links {
  display: flex;
  gap: var(--space-8);
}

.nav-links a {
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: var(--text-sm);
  font-weight: 400;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}
.nav-links a:hover { color: var(--color-text); }

/* --- HAMBURGER MENU --- */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  z-index: 102;
  padding: 0;
  background: none;
  border: none;
  cursor: pointer;
}

.hamburger-line {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  border-radius: 1px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.hamburger.active .hamburger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.hamburger.active .hamburger-line:nth-child(2) {
  opacity: 0;
}
.hamburger.active .hamburger-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  z-index: 98;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.mobile-overlay.active {
  display: block;
  opacity: 1;
}

@media (max-width: 640px) {
  .hamburger {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: 0;
    width: 280px;
    height: 100dvh;
    flex-direction: column;
    background: var(--color-surface);
    padding: 100px var(--space-8) var(--space-8);
    gap: 0;
    transform: translateX(100%);
    transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 99;
    box-shadow: -8px 0 32px rgba(0, 0, 0, 0.5);
    border-left: 1px solid var(--color-border);
  }

  .nav-links.open {
    transform: translateX(0);
  }

  .nav-links a {
    display: block;
    padding: var(--space-4) 0;
    font-size: var(--text-base);
    color: var(--color-text);
    border-bottom: 1px solid var(--color-border-subtle);
  }

  .nav-links a:last-child {
    border-bottom: none;
  }
}


/* --- HERO --- */
.hero {
  position: relative;
  min-height: 100dvh;
  display: flex;
  align-items: flex-end;
  justify-content: flex-start;
  overflow: hidden;
}

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

.hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to bottom, rgba(10,10,10,0.3) 0%, rgba(10,10,10,0.1) 30%, rgba(10,10,10,0.6) 65%, rgba(10,10,10,0.95) 100%),
    linear-gradient(to right, rgba(10,10,10,0.7) 0%, transparent 60%);
}

/* Subtle scanline effect for cinematic mood */
.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    to bottom,
    transparent,
    transparent 2px,
    rgba(0,0,0,0.03) 2px,
    rgba(0,0,0,0.03) 4px
  );
  pointer-events: none;
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: var(--content-wide);
  margin: 0 auto;
  padding: var(--space-32) var(--space-6) var(--space-20);
  width: 100%;
}

.hero-heading {
  font-size: var(--text-3xl);
  font-weight: 300;
  font-style: italic;
  color: var(--color-text);
  max-width: 14ch;
  margin-bottom: var(--space-6);
  letter-spacing: -0.01em;
}

.hero-sub {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 400;
  color: var(--color-text-muted);
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.hero-sub .accent {
  color: var(--color-accent);
}

/* Hero CTA */
.hero-cta {
  margin-top: var(--space-8);
  display: flex;
  align-items: center;
  gap: var(--space-6);
  flex-wrap: wrap;
}

.btn-ghost {
  display: inline-block;
  padding: var(--space-3) var(--space-6);
  border: 1px solid rgba(232, 230, 227, 0.4);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.04em;
  text-decoration: none;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  backdrop-filter: blur(4px);
  background: rgba(255, 255, 255, 0.04);
}

.btn-ghost:hover {
  border-color: var(--color-accent);
  color: var(--color-accent-hover);
  background: rgba(59, 130, 246, 0.08);
}

.hero-secondary-link {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  text-decoration: none;
  font-style: italic;
  border-bottom: 1px solid transparent;
}

.hero-secondary-link:hover {
  color: var(--color-text);
  border-bottom-color: var(--color-text-muted);
}

.scroll-indicator {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  color: var(--color-text-muted);
  text-decoration: none;
  opacity: 0.5;
  animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}


/* --- SECTION SHARED --- */
.section-label {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  margin-bottom: var(--space-3);
}

.text-link {
  color: var(--color-accent);
  text-decoration: none;
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.02em;
  display: inline-block;
  margin-top: var(--space-6);
  border-bottom: 1px solid transparent;
}
.text-link:hover {
  color: var(--color-accent-hover);
  border-bottom-color: var(--color-accent-hover);
}


/* --- ABOUT --- */
.about {
  padding: clamp(var(--space-16), 8vw, var(--space-32)) var(--space-6);
  background: var(--color-bg);
}

.about-inner {
  max-width: var(--content-wide);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(var(--space-8), 5vw, var(--space-16));
  align-items: center;
}

.about-image {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-sm);
}

.about-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.06) 0%, transparent 50%);
  pointer-events: none;
}

.about-image img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.about-text h2 {
  font-size: var(--text-2xl);
  font-weight: 300;
  color: var(--color-text);
  margin-bottom: var(--space-8);
}

.about-body {
  color: var(--color-text-muted);
  font-size: var(--text-base);
  line-height: 1.75;
  margin-bottom: var(--space-4);
}

.about-body em {
  color: var(--color-text);
  font-style: italic;
}


/* --- BOOK --- */
.book {
  padding: clamp(var(--space-16), 8vw, var(--space-32)) var(--space-6);
  background: var(--color-surface);
}

.book-inner {
  max-width: var(--content-wide);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: clamp(var(--space-8), 5vw, var(--space-16));
  align-items: center;
}

.book-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.book-mockup {
  perspective: 1000px;
  display: flex;
  justify-content: center;
}

.book-mockup img {
  max-height: 560px;
  width: auto;
  border-radius: var(--radius-sm);
  transform: rotateY(-8deg) rotateX(2deg);
  box-shadow:
    20px 20px 60px rgba(0,0,0,0.5),
    -5px -5px 20px rgba(59, 130, 246, 0.05);
  transition: transform 0.6s var(--ease-out), box-shadow 0.6s var(--ease-out);
}

.book-mockup:hover img {
  transform: rotateY(-2deg) rotateX(1deg);
  box-shadow:
    10px 10px 40px rgba(0,0,0,0.4),
    -5px -5px 30px rgba(59, 130, 246, 0.08);
}

.badge {
  display: inline-block;
  padding: var(--space-1) var(--space-4);
  background: var(--color-accent-dim);
  color: var(--color-accent);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-6);
  border: 1px solid rgba(59, 130, 246, 0.2);
}

.book-text h2 {
  font-size: var(--text-2xl);
  font-weight: 400;
  font-style: italic;
  color: var(--color-text);
  margin-bottom: var(--space-4);
}

.book-subtitle {
  color: var(--color-text-muted);
  font-size: var(--text-base);
  line-height: 1.75;
  margin-bottom: var(--space-6);
}

.book-subtitle em {
  color: var(--color-text);
  font-style: italic;
}

.pull-quote {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 300;
  font-style: italic;
  color: var(--color-warm);
  border-left: 2px solid var(--color-accent);
  padding-left: var(--space-6);
  margin: var(--space-8) 0;
  line-height: 1.5;
}

.notify-form {
  display: flex;
  gap: var(--space-3);
  max-width: 420px;
}

.notify-form input {
  flex: 1;
  padding: var(--space-3) var(--space-4);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  color: var(--color-text);
}

.notify-form input::placeholder {
  color: var(--color-text-faint);
}

.notify-form input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-dim);
}

.notify-form button {
  padding: var(--space-3) var(--space-6);
  background: var(--color-accent);
  color: #fff;
  font-size: var(--text-sm);
  font-weight: 600;
  border: none;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  letter-spacing: 0.02em;
}

.notify-form button:hover {
  background: var(--color-accent-hover);
  transform: translateY(-1px);
}

.notify-form button:active {
  transform: translateY(0);
}

/* Privacy notice under forms */
.privacy-notice {
  font-size: 12px;
  color: var(--color-text-faint);
  margin-top: var(--space-3);
  max-width: 420px;
}

.privacy-notice a {
  color: var(--color-accent);
  text-decoration: none;
}

.privacy-notice a:hover {
  text-decoration: underline;
}


/* --- TESTIMONIALS --- */
.testimonials {
  padding: clamp(var(--space-16), 8vw, var(--space-32)) var(--space-6);
  background: var(--color-bg);
}

.testimonials-inner {
  max-width: var(--content-wide);
  margin: 0 auto;
}

.testimonials-header {
  text-align: center;
  margin-bottom: var(--space-12);
}

.testimonials-header h2 {
  font-size: var(--text-2xl);
  font-weight: 300;
  color: var(--color-text);
  margin-bottom: var(--space-4);
}

.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.testimonial-card {
  border-left: 3px solid var(--color-accent);
  padding: var(--space-8);
  padding-left: var(--space-6);
  background: var(--color-surface);
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
  border-top: 1px solid var(--color-border-subtle);
  border-right: 1px solid var(--color-border-subtle);
  border-bottom: 1px solid var(--color-border-subtle);
}

.testimonial-card p {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 400;
  font-style: italic;
  color: var(--color-warm);
  line-height: 1.55;
  margin-bottom: var(--space-4);
}

.testimonial-card cite {
  display: block;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-style: normal;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}


/* --- RESEARCH --- */
.research {
  padding: clamp(var(--space-16), 8vw, var(--space-32)) var(--space-6);
  background: var(--color-surface);
}

.research-inner {
  max-width: var(--content-wide);
  margin: 0 auto;
}

.research-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto var(--space-16);
}

.research-header h2 {
  font-size: var(--text-2xl);
  font-weight: 300;
  color: var(--color-text);
  margin-bottom: var(--space-6);
}

.research-intro {
  color: var(--color-text-muted);
  font-size: var(--text-base);
  line-height: 1.75;
  max-width: 60ch;
  margin: 0 auto;
}

.research-intro em {
  color: var(--color-text);
  font-style: italic;
}

.concept-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin-bottom: var(--space-12);
}

.concept-card {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  transition: border-color 0.4s ease, box-shadow 0.4s ease;
}

.concept-card:hover {
  border-color: var(--color-border);
  box-shadow: 0 8px 32px rgba(0,0,0,0.3);
}

.card-number {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-accent);
  letter-spacing: 0.1em;
  display: block;
  margin-bottom: var(--space-4);
}

.concept-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: var(--space-4);
}

.concept-card p {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  line-height: 1.7;
}

.research-cta {
  text-align: center;
}


/* Divider line between sections */
.research::after {
  content: '';
  display: block;
  width: 60px;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--color-accent), transparent);
  margin: var(--space-16) auto 0;
}


/* --- CONNECT --- */
.connect {
  padding: clamp(var(--space-16), 8vw, var(--space-24)) var(--space-6);
  background: var(--color-bg);
  text-align: center;
}

.connect-inner {
  max-width: 600px;
  margin: 0 auto;
}

.connect-inner h2 {
  font-size: var(--text-xl);
  font-weight: 300;
  color: var(--color-text);
  margin-bottom: var(--space-8);
}

.social-links {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  gap: var(--space-10);
  flex-wrap: wrap;
}

.social-links a {
  color: var(--color-text-muted);
  text-decoration: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
}

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

.social-label {
  font-size: 11px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  opacity: 0.7;
}

.social-links a:hover .social-label {
  opacity: 1;
}

.ssrn-link {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.08em;
}

/* Connect signup form */
.connect-signup {
  margin-top: var(--space-12);
  padding-top: var(--space-10);
  border-top: 1px solid var(--color-border-subtle);
}

.connect-signup h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 400;
  color: var(--color-text);
  margin-bottom: var(--space-6);
}

.connect-signup .notify-form {
  margin: 0 auto;
  justify-content: center;
}

.connect-signup .privacy-notice {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.connect-signup .form-message {
  text-align: center;
}


/* --- FOOTER --- */
.site-footer {
  padding: var(--space-8) var(--space-6);
  background: var(--color-bg);
  text-align: center;
  border-top: 1px solid var(--color-border-subtle);
}

.site-footer p {
  color: var(--color-text-faint);
  font-size: var(--text-xs);
  letter-spacing: 0.05em;
  margin: 0 auto;
}

.footer-links {
  margin-top: var(--space-3) !important;
}

.footer-links a {
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: var(--text-xs);
}

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

.footer-sep {
  color: var(--color-text-faint);
  margin: 0 var(--space-3);
  opacity: 0.5;
}


/* --- BACK TO TOP --- */
.back-to-top {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-surface-raised);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 90;
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
  transition: opacity 0.3s ease, transform 0.3s ease, background 0.2s ease, color 0.2s ease;
}

.back-to-top.visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
}

.back-to-top svg {
  width: 20px;
  height: 20px;
}


/* --- FADE-IN ANIMATIONS --- */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}


/* --- RESPONSIVE --- */

@media (max-width: 900px) {
  .nav-links {
    gap: var(--space-4);
  }

  .about-inner {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .about-image img {
    aspect-ratio: 4 / 3;
    max-height: 400px;
  }

  .book-inner {
    grid-template-columns: 1fr;
    gap: var(--space-10);
    text-align: center;
  }

  .book-mockup img {
    max-height: 420px;
    transform: rotateY(-4deg) rotateX(1deg);
  }

  .book-text {
    text-align: left;
  }

  .concept-grid {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }

  .testimonial-grid {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }
}

@media (max-width: 640px) {
  .hero-content {
    padding: var(--space-24) var(--space-4) var(--space-16);
  }

  .hero-heading {
    max-width: 100%;
  }

  .hero-cta {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-4);
  }

  .about,
  .book,
  .research,
  .connect,
  .testimonials {
    padding-left: var(--space-4);
    padding-right: var(--space-4);
  }

  .pull-quote {
    padding-left: var(--space-4);
    font-size: var(--text-base);
  }

  .notify-form {
    flex-direction: column;
  }

  .notify-form button {
    width: 100%;
    padding: var(--space-4);
    text-align: center;
  }

  .book-mockup img {
    max-height: 360px;
  }

  .social-links {
    gap: var(--space-6);
  }
}


/* --- SHARED PAGE STYLES (press, privacy, terms) --- */
.page-content {
  max-width: var(--content-default);
  margin: 0 auto;
  padding: 120px var(--space-6) var(--space-20);
  min-height: 80dvh;
}

.page-content h1 {
  font-size: var(--text-2xl);
  font-weight: 300;
  color: var(--color-text);
  margin-bottom: var(--space-8);
}

.page-content h2 {
  font-size: var(--text-xl);
  font-weight: 400;
  color: var(--color-text);
  margin-top: var(--space-10);
  margin-bottom: var(--space-4);
}

.page-content h3 {
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--color-text);
  margin-top: var(--space-8);
  margin-bottom: var(--space-3);
}

.page-content p {
  color: var(--color-text-muted);
  font-size: var(--text-base);
  line-height: 1.75;
  margin-bottom: var(--space-4);
}

.page-content a {
  color: var(--color-accent);
  text-decoration: none;
}

.page-content a:hover {
  text-decoration: underline;
}

.page-content ul {
  color: var(--color-text-muted);
  font-size: var(--text-base);
  line-height: 1.75;
  margin-bottom: var(--space-4);
  padding-left: var(--space-6);
}

.page-content ul li {
  margin-bottom: var(--space-2);
}

/* Press page specific */
.press-downloads {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-6);
  margin: var(--space-8) 0;
}

.press-download-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  text-align: center;
  transition: border-color 0.3s ease;
}

.press-download-card:hover {
  border-color: var(--color-border);
}

.press-download-card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-4);
}

.press-download-card a {
  color: var(--color-accent);
  text-decoration: none;
  font-size: var(--text-sm);
  font-weight: 500;
}

.press-download-card a:hover {
  text-decoration: underline;
}

.press-download-card p {
  font-size: var(--text-sm);
  color: var(--color-text-faint);
  margin-bottom: var(--space-3);
}

/* --- BUY NOW BUTTON --- */
.book-cta-group {
  margin: var(--space-8) 0 var(--space-6);
}

.book-formats-label {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: var(--space-4);
}

.buy-buttons {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.btn-buy {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius-md);
  letter-spacing: 0.02em;
  transition: all 0.3s var(--ease-out);
  border: 1px solid transparent;
}

.btn-buy svg {
  flex-shrink: 0;
}

/* Amazon — signature gold */
.btn-amazon {
  background: linear-gradient(135deg, #f59e0b, #d97706);
  color: #0a0a0a;
  box-shadow: 0 4px 20px rgba(245, 158, 11, 0.25);
}
.btn-amazon:hover {
  background: linear-gradient(135deg, #fbbf24, #f59e0b);
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(245, 158, 11, 0.35);
  color: #0a0a0a;
}

/* Direct / EPUB+PDF — outlined accent */
.btn-direct {
  background: transparent;
  color: var(--color-accent);
  border-color: var(--color-accent);
}
.btn-direct:hover {
  background: var(--color-accent);
  color: #0a0a0a;
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(59, 130, 246, 0.3);
}

/* Audiobook — subtle ghost */
.btn-audio {
  background: var(--color-surface-raised);
  color: var(--color-text-muted);
  border-color: var(--color-border);
}
.btn-audio:hover {
  background: var(--color-surface-2);
  color: var(--color-text);
  border-color: var(--color-text-faint);
  transform: translateY(-2px);
}

.btn-buy:active {
  transform: translateY(0);
}

.book-formats {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-top: var(--space-4);
  letter-spacing: 0.03em;
}

.book-notify-section {
  margin-top: var(--space-8);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
}

.book-notify-label {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}

@media (max-width: 640px) {
  .buy-buttons {
    flex-direction: column;
  }
  .btn-buy {
    width: 100%;
    justify-content: center;
    padding: var(--space-4) var(--space-6);
  }
}

/* Crypto payment button */
.btn-crypto {
  background: linear-gradient(135deg, #0d1117 0%, #161b22 100%) !important;
  border: 1px solid rgba(0, 255, 255, 0.2) !important;
  color: #0ff !important;
  position: relative;
  overflow: hidden;
}
.btn-crypto::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 200%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(0,255,255,0.05), transparent);
  animation: crypto-shimmer 3s ease-in-out infinite;
}
@keyframes crypto-shimmer {
  0% { transform: translateX(-50%); }
  100% { transform: translateX(50%); }
}
.btn-crypto:hover {
  border-color: rgba(0, 255, 255, 0.5) !important;
  box-shadow: 0 0 20px rgba(0, 255, 255, 0.1);
  color: #fff !important;
}
.btn-crypto svg {
  stroke: #0ff;
}
.btn-crypto:hover svg {
  stroke: #fff;
}