/* ==========================================================================
   Infobookly — design tokens (matched to the live brand: theinfobookly.systeme.io)
   ========================================================================== */

:root {
  --ink: #17181A;
  --ink-soft: #55564F;
  --paper: #F0EDE6;
  --white: #FFFFFF;
  --dark: #202020;
  --dark-deep: #121212;
  --accent: #014D82;
  --border: rgba(23, 24, 26, 0.14);
  --border-soft: rgba(23, 24, 26, 0.08);
  --shadow: 0 18px 40px rgba(23, 24, 26, 0.12);

  --sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --serif: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --max-width: 1120px;
  --radius-sm: 3px;
  --radius-md: 6px;
}

/* ==========================================================================
   Reset & base
   ========================================================================== */

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a {
  color: inherit;
  text-decoration: none;
}

h1, h2, h3, h4 {
  font-family: var(--serif);
  font-weight: 800;
  line-height: 1.15;
  margin: 0;
  color: var(--ink);
}

p { margin: 0 0 1em; }

ul, ol { margin: 0 0 1em; padding-left: 1.3em; }
li { margin-bottom: 0.45em; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 28px;
}

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

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--sans);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 15px 32px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease;
}

.btn-primary {
  background: var(--dark-deep);
  color: var(--white);
  border-bottom: 3px solid var(--accent);
}
.btn-primary:hover {
  box-shadow: var(--shadow);
}

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--border);
}
.btn-ghost:hover {
  border-color: var(--ink);
}

/* ==========================================================================
   Header
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--paper);
  border-bottom: 1px solid var(--border-soft);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--serif);
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.logo-mark {
  width: 30px;
  height: 30px;
  flex-shrink: 0;
  border-radius: 4px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 18px;
}

.breadcrumb-link {
  font-size: 0.9rem;
  color: var(--ink-soft);
  border-bottom: 1px solid var(--border);
  padding-bottom: 1px;
}
.breadcrumb-link:hover { color: var(--ink); border-color: var(--ink); }

/* ==========================================================================
   Hero
   ========================================================================== */

.hero {
  padding: 64px 0 72px;
  background: var(--paper);
}

.hero .container {
  display: grid;
  grid-template-columns: 1.05fr 0.85fr;
  gap: 56px;
  align-items: center;
}

.hero h1 {
  font-size: clamp(2.2rem, 4.2vw, 3.2rem);
  letter-spacing: -0.015em;
  max-width: 13ch;
}

.hero-sub {
  margin-top: 22px;
  font-size: 1.15rem;
  color: var(--ink-soft);
  max-width: 46ch;
}

.hero-ctas {
  margin-top: 32px;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.hero-visual {
  position: relative;
}

.hero-visual img {
  width: 100%;
  height: auto;
}

/* ==========================================================================
   Product spotlight
   ========================================================================== */

.spotlight {
  background: var(--paper);
  padding: 64px 0 80px;
  text-align: center;
}

.spotlight-label {
  font-family: var(--sans);
  font-size: 0.85rem;
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 4px;
}

.spotlight h2 {
  font-size: clamp(1.9rem, 3.4vw, 2.6rem);
  max-width: 16ch;
  margin: 0 auto;
}

.spotlight-image {
  margin: 36px auto;
  max-width: 340px;
}

.spotlight-image img {
  border-radius: 18px;
  box-shadow: var(--shadow);
}

.spotlight-desc {
  margin: 0 auto 8px;
  color: var(--ink-soft);
  max-width: 48ch;
  font-size: 1.05rem;
}

.spotlight-price {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 10px;
  margin: 22px 0 30px;
}

.price-amount {
  font-family: var(--serif);
  font-size: 2rem;
  font-weight: 800;
}

.price-note {
  color: var(--ink-soft);
  font-size: 0.92rem;
}

/* ==========================================================================
   Promise / editorial section (dark band, matches live brand)
   ========================================================================== */

.promise {
  background: var(--dark);
  color: rgba(255, 255, 255, 0.92);
  padding: 72px 0 80px;
}

.promise .container {
  max-width: 780px;
}

.promise-label {
  font-size: 0.9rem;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 14px;
}

.promise h2 {
  color: var(--white);
  font-size: clamp(1.7rem, 3vw, 2.2rem);
  max-width: 20ch;
  margin-bottom: 28px;
}

.promise-body p {
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.78);
  max-width: 62ch;
}

.promise-body p strong {
  color: var(--white);
}

.marginnote {
  border-left: 2px solid var(--accent);
  padding-left: 18px;
  margin: 28px 0;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--white);
}

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
  background: var(--dark);
  color: rgba(255, 255, 255, 0.88);
  padding: 8px 0 40px;
}

.footer-brand {
  text-align: center;
  max-width: 460px;
  margin: 0 auto;
  padding: 32px 0 30px;
}

.footer-brand img {
  margin: 0 auto 18px;
  width: 90px;
}

.footer-brand .logo {
  color: var(--white);
  justify-content: center;
}

.footer-brand p {
  margin-top: 14px;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.95rem;
}

.footer-top {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  gap: 40px;
  flex-wrap: wrap;
  padding-bottom: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-top: 30px;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px 28px;
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-nav a {
  font-size: 0.92rem;
  color: rgba(255, 255, 255, 0.8);
}
.footer-nav a:hover { color: var(--white); }

.footer-bottom {
  padding-top: 22px;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.45);
  text-align: center;
}

/* ==========================================================================
   Legal / document pages
   ========================================================================== */

.doc-hero {
  padding: 56px 0 40px;
  border-bottom: 1px solid var(--border-soft);
}

.doc-hero .breadcrumb-link { margin-bottom: 18px; display: inline-block; }

.doc-hero h1 {
  font-size: clamp(2rem, 3.4vw, 2.6rem);
}

.doc-hero .updated {
  margin-top: 12px;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.doc-layout {
  padding: 56px 0 96px;
}

.doc-layout .container {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 56px;
  align-items: start;
}

.doc-toc {
  position: sticky;
  top: 100px;
  background: var(--white);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  padding: 22px;
}

.doc-toc .toc-label {
  font-family: var(--sans);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--ink-soft);
  margin-bottom: 12px;
}

.doc-toc ol {
  list-style: none;
  padding: 0;
  margin: 0;
  max-height: 60vh;
  overflow-y: auto;
}

.doc-toc li { margin-bottom: 8px; }

.doc-toc a {
  font-size: 0.88rem;
  color: var(--ink-soft);
  line-height: 1.4;
  display: block;
}
.doc-toc a:hover { color: var(--accent); }

.doc-body {
  background: var(--white);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  padding: 48px;
  max-width: 72ch;
}

.doc-body section {
  padding: 28px 0;
  border-bottom: 1px solid var(--border-soft);
  scroll-margin-top: 96px;
}
.doc-body section:first-child { padding-top: 0; }
.doc-body section:last-child { border-bottom: none; padding-bottom: 0; }

.doc-body h2 {
  font-size: 1.25rem;
  margin-bottom: 12px;
}

.doc-body p, .doc-body li {
  color: var(--ink-soft);
  font-size: 0.98rem;
}

.doc-body strong { color: var(--ink); }

.doc-intro {
  color: var(--ink-soft);
  margin-bottom: 8px;
}

/* Contact page */
.contact-card {
  background: var(--white);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  padding: 48px;
  max-width: 560px;
}

.contact-card .email-link {
  display: inline-block;
  margin-top: 6px;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--accent);
  border-bottom: 1px solid var(--accent);
}

.contact-meta {
  margin-top: 26px;
  padding-top: 22px;
  border-top: 1px solid var(--border-soft);
  color: var(--ink-soft);
  font-size: 0.95rem;
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 900px) {
  .hero .container {
    grid-template-columns: 1fr;
  }
  .hero-visual { order: -1; max-width: 320px; margin: 0 auto; }

  .doc-layout .container {
    grid-template-columns: 1fr;
  }
  .doc-toc {
    position: static;
    margin-bottom: 24px;
  }
  .doc-toc ol { max-height: none; }
  .doc-body { padding: 32px 24px; }
}

@media (max-width: 560px) {
  .container { padding: 0 20px; }
  .site-header .container { height: 66px; }
  .hero { padding: 40px 0 48px; }
  .spotlight, .promise { padding-top: 48px; padding-bottom: 56px; }
  .contact-card { padding: 32px 24px; }
}