/* ==========================================================================
   LitBulk — BOOK MARKETING Program
   Stylesheet: style.css
   --------------------------------------------------------------------------
   TABLE OF CONTENTS
   1.  Design Tokens (CSS Custom Properties)
   2.  Reset & Base
   3.  Typography
   4.  Layout Utilities
   5.  Buttons & Links
   6.  Navigation
   7.  Hero
   8.  Bookmark / Section Signature Elements
   9.  Cards (Services, Portfolio, Testimonials)
   10. Sections (About, Stats, FAQ, Contact)
   11. Footer
   12. Animations
   13. Media Queries
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. DESIGN TOKENS
   Edit these values to re-theme the entire site from one place.
   -------------------------------------------------------------------------- */
:root {
  /* Brand colors — from client brief */
  --color-primary: #6C4CF1;      /* Primary brand violet */
  --color-primary-dark: #5637d1; /* Darker shade for hover states */
  --color-primary-light: #EFEAFE;/* Tint for backgrounds/badges */
  --color-secondary: #121212;    /* Near-black, used for dark sections & text */
  --color-accent: #F4F4F4;       /* Light neutral background */
  --color-cta: #FF6B6B;          /* Coral CTA color */
  --color-cta-dark: #f04f4f;

  --color-white: #ffffff;
  --color-ink: #17171a;          /* Primary text on light backgrounds */
  --color-ink-soft: #55555c;     /* Secondary text */
  --color-line: #e7e5f0;         /* Hairline borders on light bg */
  --color-line-dark: #2a2a2e;    /* Hairline borders on dark bg */

  /* Typography — Fraunces (editorial serif, echoes "book" world) for display,
     Inter for UI/body legibility. Loaded via Google Fonts in <head>. */
  --font-display: "Fraunces", "Iowan Old Style", Georgia, serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --fs-9: clamp(2.6rem, 5vw + 1rem, 5rem);   /* Hero headline */
  --fs-8: clamp(2.1rem, 3vw + 1rem, 3.2rem); /* Section headline */
  --fs-7: clamp(1.6rem, 1.6vw + 1rem, 2.1rem);
  --fs-6: 1.375rem;
  --fs-5: 1.125rem;
  --fs-4: 1rem;
  --fs-3: 0.9375rem;
  --fs-2: 0.8125rem;

  /* Spacing scale */
  --space-1: 0.5rem;
  --space-2: 0.75rem;
  --space-3: 1rem;
  --space-4: 1.5rem;
  --space-5: 2rem;
  --space-6: 3rem;
  --space-7: 4.5rem;
  --space-8: 6.5rem;
  --space-9: 9rem;

  /* Shape & elevation */
  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 28px;
  --radius-pill: 999px;

  --shadow-soft: 0 1px 2px rgba(18,18,18,0.04), 0 12px 32px -12px rgba(18,18,18,0.12);
  --shadow-lift: 0 4px 8px rgba(18,18,18,0.06), 0 24px 48px -16px rgba(108,76,241,0.22);

  --container: 1180px;
  --transition: 220ms cubic-bezier(.4,0,.2,1);
}

/* Respect reduced motion preference across the whole site */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

/* --------------------------------------------------------------------------
   2. RESET & BASE
   -------------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body, h1, h2, h3, h4, p, figure, blockquote, dl, dd { margin: 0; }
ul[class], ol[class] { list-style: none; margin: 0; padding: 0; }
img, picture, video, canvas, svg { display: block; max-width: 100%; }
input, button, textarea, select { font: inherit; color: inherit; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; }

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

/* Visible keyboard focus, everywhere */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: 4px;
}

/* Skip link for keyboard/screen-reader users */
.skip-link {
  position: absolute;
  left: -999px;
  top: auto;
  background: var(--color-secondary);
  color: var(--color-white);
  padding: 0.75rem 1.25rem;
  z-index: 999;
  border-radius: var(--radius-sm);
}
.skip-link:focus {
  left: var(--space-3);
  top: var(--space-3);
}

/* --------------------------------------------------------------------------
   3. TYPOGRAPHY
   -------------------------------------------------------------------------- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--color-secondary);
  line-height: 1.08;
  letter-spacing: -0.01em;
  font-weight: 600;
}
h1 { font-size: var(--fs-9); }
h2 { font-size: var(--fs-8); }
h3 { font-size: var(--fs-7); }
h4 { font-size: var(--fs-6); font-family: var(--font-body); font-weight: 700; }

p { color: var(--color-ink-soft); font-size: var(--fs-5); }
.text-lead { font-size: var(--fs-6); color: var(--color-ink-soft); }
.text-small { font-size: var(--fs-3); color: var(--color-ink-soft); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--fs-2);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}
.eyebrow::before {
  content: "";
  width: 18px;
  height: 2px;
  background: var(--color-cta);
  display: inline-block;
}

.section-head {
  max-width: 640px;
  margin-bottom: var(--space-7);
}
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }

/* --------------------------------------------------------------------------
   4. LAYOUT UTILITIES
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--space-4);
}
.section { padding-block: var(--space-8); }
.section--tight { padding-block: var(--space-6); }
.section--dark {
  background: var(--color-secondary);
  color: var(--color-white);
}
.section--dark h2, .section--dark h3, .section--dark h4 { color: var(--color-white); }
.section--dark p { color: rgba(255,255,255,0.65); }
.section--accent { background: var(--color-accent); }

.grid { display: grid; gap: var(--space-5); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.stack { display: flex; flex-direction: column; }
.cluster { display: flex; align-items: center; gap: var(--space-3); flex-wrap: wrap; }

.divider {
  height: 1px;
  background: var(--color-line);
  border: none;
  margin: 0;
}

/* --------------------------------------------------------------------------
   5. BUTTONS & LINKS
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.9rem 1.7rem;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: var(--fs-4);
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition);
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }

.btn--cta {
  background: var(--color-cta);
  color: var(--color-white);
  box-shadow: 0 10px 24px -8px rgba(255,107,107,0.55);
}
.btn--cta:hover { background: var(--color-cta-dark); transform: translateY(-2px); }

.btn--primary {
  background: var(--color-primary);
  color: var(--color-white);
  box-shadow: 0 10px 24px -8px rgba(108,76,241,0.5);
}
.btn--primary:hover { background: var(--color-primary-dark); transform: translateY(-2px); }

.btn--ghost {
  background: transparent;
  color: var(--color-secondary);
  border: 1.5px solid var(--color-line);
}
.btn--ghost:hover { border-color: var(--color-secondary); }

.section--dark .btn--ghost { color: var(--color-white); border-color: var(--color-line-dark); }
.section--dark .btn--ghost:hover { border-color: var(--color-white); }

.btn--sm { padding: 0.6rem 1.2rem; font-size: var(--fs-3); }
.btn--block { width: 100%; }

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-weight: 600;
  color: var(--color-primary);
  border-bottom: 1.5px solid transparent;
  transition: border-color var(--transition);
}
.text-link:hover { border-color: currentColor; }

/* --------------------------------------------------------------------------
   6. NAVIGATION
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  padding-block: var(--space-3);
  background: rgba(255,255,255,0.78);
  backdrop-filter: blur(14px) saturate(1.4);
  -webkit-backdrop-filter: blur(14px) saturate(1.4);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), box-shadow var(--transition), padding var(--transition);
}
.site-header.is-scrolled {
  border-color: var(--color-line);
  box-shadow: 0 8px 30px -20px rgba(18,18,18,0.4);
  padding-block: var(--space-2);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.logo {
  display: inline-flex;
  align-items: baseline;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.3rem;
  color: var(--color-secondary);
}
.logo .logo-mark {
  width: 10px;
  height: 14px;
  background: var(--color-cta);
  border-radius: 2px 6px 2px 2px;
  display: inline-block;
  transform: skewY(-4deg);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-5);
}
.nav-links a {
  font-size: var(--fs-3);
  font-weight: 600;
  color: var(--color-ink-soft);
  position: relative;
  padding-block: 4px;
}
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--color-secondary); }
.nav-links a[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
}

.nav-cta { display: flex; align-items: center; gap: var(--space-3); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}
.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--color-secondary);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* --------------------------------------------------------------------------
   7. HERO
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  padding-top: var(--space-8);
  padding-bottom: var(--space-8);
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: var(--space-7);
  align-items: center;
}
.hero-copy h1 { margin-bottom: var(--space-4); }
.hero-copy .text-lead { max-width: 46ch; margin-bottom: var(--space-5); }
.hero-actions { display: flex; gap: var(--space-3); flex-wrap: wrap; margin-bottom: var(--space-6); }

.hero-proof {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-line);
}
.hero-proof .badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: var(--fs-2);
  font-weight: 700;
  color: var(--color-ink);
  background: var(--color-primary-light);
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius-pill);
}

.hero-media {
  position: relative;
}
.hero-media .frame {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lift);
  aspect-ratio: 4 / 5;
}
.hero-media .frame img { width: 100%; height: 100%; object-fit: cover; }

/* Floating "bookmark" chip — the page's signature motif, echoed
   throughout the site as a ribbon-bookmark tag on cards & numerals. */
.floating-chip {
  position: absolute;
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
  padding: var(--space-3) var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.floating-chip--top { top: -6%; left: -8%; }
.floating-chip--bottom { bottom: -6%; right: -6%; }
.floating-chip .chip-icon {
  width: 38px; height: 38px;
  border-radius: 10px;
  background: var(--color-primary);
  color: #fff;
  display: grid; place-items: center;
  flex-shrink: 0;
}
.floating-chip strong { display: block; font-family: var(--font-display); font-size: 1.1rem; color: var(--color-secondary); }
.floating-chip span { font-size: var(--fs-2); color: var(--color-ink-soft); }

/* --------------------------------------------------------------------------
   8. BOOKMARK / SIGNATURE ELEMENTS
   A ribbon-tag numeral used on process steps & service cards — nods to a
   bookmark tucked into a book, tying the visual system to the book niche.
   -------------------------------------------------------------------------- */
.ribbon-num {
  position: relative;
  width: 44px;
  height: 56px;
  background: var(--color-primary);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.15rem;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 10px;
  clip-path: polygon(0 0, 100% 0, 100% 100%, 50% 78%, 0 100%);
  flex-shrink: 0;
}
.ribbon-num--ghost {
  background: var(--color-accent);
  color: var(--color-secondary);
}

/* --------------------------------------------------------------------------
   9. CARDS
   -------------------------------------------------------------------------- */

/* Service cards */
.service-card {
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  height: 100%;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lift);
  border-color: transparent;
}
.service-card .icon-badge {
  width: 48px; height: 48px;
  border-radius: 12px;
  background: var(--color-primary-light);
  color: var(--color-primary);
  display: grid;
  place-items: center;
}
.service-card h3 { font-family: var(--font-body); font-size: 1.15rem; font-weight: 700; }
.service-card p { font-size: var(--fs-4); flex-grow: 1; }
.service-card .text-link { margin-top: auto; }

/* Portfolio / showcase cards */
.showcase-card {
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-white);
  border: 1px solid var(--color-line);
  box-shadow: var(--shadow-soft);
}
.showcase-card .media {
  aspect-ratio: 16/10;
  overflow: hidden;
  position: relative;
  background: var(--color-secondary);
}
.showcase-card .media img { width: 100%; height: 100%; object-fit: cover; transition: transform 500ms ease; }
.showcase-card:hover .media img { transform: scale(1.06); }
.showcase-card .body { padding: var(--space-4); }
.showcase-card .body h4 { margin-bottom: 4px; }
.showcase-card .tag {
  display: inline-block;
  font-size: var(--fs-2);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-primary);
  background: var(--color-primary-light);
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  margin-bottom: var(--space-2);
}

/* Testimonial cards */
.testimonial-card {
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  height: 100%;
}
.testimonial-card .quote { font-size: var(--fs-5); color: var(--color-ink); font-style: italic; }
.testimonial-card .person { display: flex; align-items: center; gap: var(--space-3); margin-top: auto; }
.testimonial-card .avatar {
  width: 44px; height: 44px; border-radius: 50%;
  object-fit: cover; background: var(--color-accent);
}
.testimonial-card .stars { color: var(--color-cta); letter-spacing: 2px; font-size: 0.9rem; }
.placeholder-flag {
  font-size: var(--fs-2);
  color: var(--color-ink-soft);
  background: var(--color-accent);
  border: 1px dashed var(--color-line);
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  width: fit-content;
}

/* Stat cards */
.stat-card {
  text-align: center;
  padding: var(--space-5) var(--space-3);
  border-radius: var(--radius-md);
  border: 1px dashed var(--color-line-dark);
}
.stat-card .stat-number {
  font-family: var(--font-display);
  font-size: 2.4rem;
  color: var(--color-white);
  display: block;
}
.stat-card .stat-label {
  font-size: var(--fs-3);
  color: rgba(255,255,255,0.6);
}

/* --------------------------------------------------------------------------
   10. SECTIONS
   -------------------------------------------------------------------------- */

/* About */
.about-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: var(--space-7);
  align-items: center;
}
.about-photo {
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 3/4;
  box-shadow: var(--shadow-soft);
}
.about-photo img { width: 100%; height: 100%; object-fit: cover; }
.about-badges { display: flex; gap: var(--space-3); margin-top: var(--space-5); flex-wrap: wrap; }
.about-badge {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: var(--space-3);
}
.about-badge strong { display: block; font-family: var(--font-display); font-size: 1.2rem; }
.about-badge span { font-size: var(--fs-2); color: var(--color-ink-soft); }

/* Process steps */
.process-step {
  display: flex;
  gap: var(--space-4);
  padding-block: var(--space-4);
}
.process-step:not(:last-child) { border-bottom: 1px solid var(--color-line); }
.process-step .step-body h3 { font-size: 1.25rem; margin-bottom: 6px; }

/* FAQ accordion */
.faq-item {
  border-bottom: 1px solid var(--color-line);
}
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding-block: var(--space-4);
  text-align: left;
  font-family: var(--font-display);
  font-size: 1.15rem;
  color: var(--color-secondary);
}
.faq-question .plus {
  flex-shrink: 0;
  width: 28px; height: 28px;
  border-radius: 50%;
  border: 1px solid var(--color-line);
  display: grid;
  place-items: center;
  position: relative;
  transition: transform var(--transition), background var(--transition);
}
.faq-question .plus::before, .faq-question .plus::after {
  content: "";
  position: absolute;
  background: var(--color-secondary);
  transition: transform var(--transition), opacity var(--transition);
}
.faq-question .plus::before { width: 10px; height: 1.5px; }
.faq-question .plus::after { width: 1.5px; height: 10px; }
.faq-item[open] .faq-question .plus { background: var(--color-primary); border-color: var(--color-primary); }
.faq-item[open] .faq-question .plus::before,
.faq-item[open] .faq-question .plus::after { background: #fff; }
.faq-item[open] .faq-question .plus::after { transform: rotate(90deg); opacity: 0; }
.faq-answer { padding-bottom: var(--space-4); max-width: 68ch; }
.faq-item summary { list-style: none; cursor: pointer; }
.faq-item summary::-webkit-details-marker { display: none; }

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-7);
}
.contact-form {
  display: grid;
  gap: var(--space-4);
}
.field { display: flex; flex-direction: column; gap: 0.4rem; }
.field label { font-size: var(--fs-3); font-weight: 600; }
.field input, .field textarea, .field select {
  padding: 0.85rem 1rem;
  border: 1.5px solid var(--color-line);
  border-radius: var(--radius-sm);
  background: var(--color-white);
  color: var(--color-ink);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.field input:focus, .field textarea:focus, .field select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px var(--color-primary-light);
  outline: none;
}
.field textarea { resize: vertical; min-height: 140px; }

.contact-channels { display: grid; gap: var(--space-3); }
.channel-card {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-line-dark);
  transition: border-color var(--transition), background var(--transition);
}
.channel-card:hover { border-color: var(--color-primary); background: rgba(108,76,241,0.08); }
.channel-card .icon-badge {
  width: 42px; height: 42px;
  border-radius: 10px;
  background: rgba(255,255,255,0.06);
  color: var(--color-primary);
  display: grid; place-items: center;
  flex-shrink: 0;
}
.channel-card strong { display: block; font-size: var(--fs-4); }
.channel-card span { font-size: var(--fs-2); color: rgba(255,255,255,0.55); }

/* Newsletter */
.newsletter-form { display: flex; gap: var(--space-2); max-width: 420px; }
.newsletter-form input {
  flex: 1;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-pill);
  border: 1.5px solid var(--color-line-dark);
  background: transparent;
  color: #fff;
}
.newsletter-form input::placeholder { color: rgba(255,255,255,0.45); }

/* CTA band */
.cta-band {
  background: linear-gradient(135deg, var(--color-primary), #8a6ef4);
  border-radius: var(--radius-lg);
  padding: var(--space-7) var(--space-6);
  text-align: center;
  color: #fff;
}
.cta-band h2 { color: #fff; }
.cta-band p { color: rgba(255,255,255,0.85); }

/* Phone mockup for BookTok */
.phone-mockup {
  width: 230px;
  height: 470px;
  border-radius: 34px;
  border: 8px solid var(--color-secondary);
  background: var(--color-secondary);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lift);
  flex-shrink: 0;
}
.phone-mockup::before {
  content: "";
  position: absolute;
  top: 8px; left: 50%; transform: translateX(-50%);
  width: 70px; height: 18px;
  background: var(--color-secondary);
  border-radius: 12px;
  z-index: 2;
}
.phone-mockup .screen { width: 100%; height: 100%; object-fit: cover; }
.phone-row { display: flex; gap: var(--space-5); flex-wrap: wrap; justify-content: center; }

/* Instagram-style grid */
.insta-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 4px; border-radius: var(--radius-md); overflow: hidden; }
.insta-grid .insta-post { aspect-ratio: 1/1; overflow: hidden; }
.insta-grid .insta-post img { width: 100%; height: 100%; object-fit: cover; transition: transform 400ms ease; }
.insta-grid .insta-post:hover img { transform: scale(1.08); }

/* Dashboard mockup (Amazon Ads / FB Ads) */
.dash-mockup {
  border-radius: var(--radius-md);
  border: 1px solid var(--color-line);
  overflow: hidden;
  background: var(--color-white);
  box-shadow: var(--shadow-soft);
}
.dash-mockup .dash-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: var(--space-2) var(--space-3);
  background: var(--color-accent);
  border-bottom: 1px solid var(--color-line);
}
.dash-mockup .dot { width: 10px; height: 10px; border-radius: 50%; background: var(--color-line-dark); opacity: 0.3; }
.dash-mockup img { width: 100%; display: block; }

/* PDF preview cards (Author One Sheet) */
.pdf-card {
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: #fff;
  text-align: center;
}
.pdf-card .pdf-thumb {
  aspect-ratio: 3/4;
  background: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-ink-soft);
}
.pdf-card .pdf-body { padding: var(--space-4); }

/* Video embed wrapper (keeps 16:9 responsively) */
.video-embed {
  position: relative;
  width: 100%;
  aspect-ratio: 16/9;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-secondary);
}
.video-embed iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }

/* --------------------------------------------------------------------------
   11. FOOTER
   -------------------------------------------------------------------------- */
.site-footer {
  background: var(--color-secondary);
  color: rgba(255,255,255,0.65);
  padding-block: var(--space-7) var(--space-5);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: var(--space-6);
  padding-bottom: var(--space-6);
  border-bottom: 1px solid var(--color-line-dark);
}
.footer-grid h4 { color: #fff; font-size: var(--fs-3); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: var(--space-3); }
.footer-grid ul { display: grid; gap: 0.6rem; }
.footer-grid a:hover { color: #fff; }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-4);
  font-size: var(--fs-2);
  flex-wrap: wrap;
  gap: var(--space-3);
}
.social-row { display: flex; gap: var(--space-2); }
.social-row a {
  width: 38px; height: 38px;
  border-radius: 50%;
  border: 1px solid var(--color-line-dark);
  display: grid; place-items: center;
  transition: background var(--transition), border-color var(--transition);
}
.social-row a:hover { background: var(--color-primary); border-color: var(--color-primary); }

/* Back to top */
.back-to-top {
  position: fixed;
  bottom: var(--space-4);
  right: var(--space-4);
  width: 46px; height: 46px;
  border-radius: 50%;
  background: var(--color-secondary);
  color: #fff;
  display: grid;
  place-items: center;
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition: opacity var(--transition), transform var(--transition), background var(--transition);
  z-index: 90;
}
.back-to-top.is-visible { opacity: 1; pointer-events: auto; transform: translateY(0); }
.back-to-top:hover { background: var(--color-primary); }


.footer-list-2col {
  column-count: 2;
  column-gap: var(--space-4);
}
.footer-list-2col li {
  break-inside: avoid;
}

/* --------------------------------------------------------------------------
   12. ANIMATIONS
   -------------------------------------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 700ms cubic-bezier(.4,0,.2,1), transform 700ms cubic-bezier(.4,0,.2,1);
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 100ms; }
.reveal-delay-2 { transition-delay: 200ms; }
.reveal-delay-3 { transition-delay: 300ms; }

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

/* Page loading overlay */
.loader {
  position: fixed;
  inset: 0;
  background: var(--color-white);
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 500ms ease, visibility 500ms ease;
}
.loader.is-hidden { opacity: 0; visibility: hidden; }
.loader-mark {
  width: 16px;
  height: 22px;
  background: var(--color-primary);
  border-radius: 3px 8px 3px 3px;
  animation: loaderPulse 900ms ease-in-out infinite;
}
@keyframes loaderPulse {
  0%, 100% { transform: scaleY(1); opacity: 1; }
  50% { transform: scaleY(0.5); opacity: 0.5; }
}

/* Parallax hook — JS applies transform via CSS var --parallax-y */
[data-parallax] { transform: translateY(calc(var(--parallax-y, 0) * 1px)); will-change: transform; }

/* --------------------------------------------------------------------------
   13. MEDIA QUERIES
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-media { order: -1; max-width: 480px; margin-inline: auto; }
  .about-grid { grid-template-columns: 1fr; }
  .about-photo { max-width: 380px; margin-inline: auto; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 860px) {
  .nav-links, .nav-cta .btn--ghost { display: none; }
  .nav-toggle { display: flex; }
  .nav.is-open .nav-links {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: var(--color-white);
    padding: var(--space-4);
    border-bottom: 1px solid var(--color-line);
    gap: var(--space-3);
  }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .section { padding-block: var(--space-6); }
  .footer-grid { grid-template-columns: 1fr; gap: var(--space-5); }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .phone-row { gap: var(--space-4); }
  .phone-mockup { width: 200px; height: 410px; }
}

@media (max-width: 480px) {
  .hero-actions .btn { width: 100%; }
  .floating-chip { display: none; }
}

