/* ============================================================
   Nuria Delle Chiaie — Author Website
   Shared stylesheet for all pages
   Palette: white + tones of blue
   ============================================================ */

:root{
  /* Whites */
  --white: #ffffff;
  --paper: #fafcfd;
  --mist: #f1f6fa;

  /* Blues - light to dark */
  --blue-50:  #eaf2f9;
  --blue-100: #d3e2f0;
  --blue-200: #a9c5dd;
  --blue-300: #7fa7c8;
  --blue-400: #5689b3;
  --blue-500: #3d6f9c;   /* primary */
  --blue-600: #2d5780;
  --blue-700: #1f4263;
  --blue-800: #142e48;
  --blue-900: #0c1f33;   /* near-black ink */

  /* Accents drawn from the same blue family */
  --sky: #b8d4ea;
  --denim: #486a8e;

  /* Text */
  --ink: var(--blue-900);
  --ink-soft: #4a5e74;
  --ink-mute: #7f93a8;

  --shadow-sm: 0 2px 10px rgba(20, 46, 72, 0.06);
  --shadow-md: 0 14px 36px -16px rgba(20, 46, 72, 0.18);
  --shadow-lg: 0 30px 70px -28px rgba(20, 46, 72, 0.35);

  --radius-sm: 6px;
  --radius-md: 14px;
  --radius-lg: 24px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--white);
  color: var(--ink);
  line-height: 1.65;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition: color .25s}
button{font:inherit;cursor:pointer;border:none;background:none}

/* ============================================================
   Typography
   ============================================================ */
.brand-mark{
  font-family: 'Syncopate', sans-serif;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.serif{
  font-family: 'Fraunces', Georgia, serif;
  font-variation-settings: "opsz" 144, "SOFT" 50;
}

h1, h2, h3, h4{
  font-family: 'Fraunces', Georgia, serif;
  color: var(--ink);
  font-weight: 400;
  letter-spacing: -0.01em;
  line-height: 1.15;
}

.eyebrow{
  font-family: 'Inter', sans-serif;
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--blue-500);
  display: inline-flex;
  align-items: center;
  gap: .8rem;
}
.eyebrow::before{
  content:"";
  width: 28px; height: 1px;
  background: var(--blue-400);
}

/* ============================================================
   Navigation (used on every page)
   ============================================================ */
.nav{
  position: sticky; top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(16px) saturate(150%);
  -webkit-backdrop-filter: blur(16px) saturate(150%);
  border-bottom: 1px solid var(--blue-50);
}
.nav-inner{
  max-width: 1280px;
  margin: 0 auto;
  padding: 1.2rem 2.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
}
.nav-brand{
  font-family: 'Syncopate', sans-serif;
  font-weight: 700;
  font-size: .95rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink);
  white-space: nowrap;
}
.nav-brand span{
  color: var(--blue-500);
}
.nav-links{
  display: flex;
  gap: 2.2rem;
  align-items: center;
}
.nav-links a{
  font-size: .9rem;
  font-weight: 500;
  color: var(--ink-soft);
  position: relative;
  padding: .3rem 0;
}
.nav-links a:hover{color: var(--blue-600)}
.nav-links a.active{color: var(--blue-700)}
.nav-links a.active::after{
  content:"";
  position: absolute; left: 0; right: 0; bottom: -2px;
  height: 2px;
  background: var(--blue-500);
  border-radius: 2px;
}
.nav-cta{
  background: var(--blue-700);
  color: var(--white) !important;
  padding: .7rem 1.4rem;
  border-radius: 99px;
  font-size: .85rem;
  font-weight: 600;
  letter-spacing: .02em;
  transition: all .25s;
}
.nav-cta:hover{
  background: var(--blue-900) !important;
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}
.nav-cta.active{color: var(--white) !important}
.nav-cta.active::after{display:none}

/* Hamburger (mobile) */
.nav-toggle{
  display: none;
  width: 36px; height: 36px;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  align-items: center;
}
.nav-toggle span{
  width: 22px; height: 2px;
  background: var(--ink);
  transition: transform .25s, opacity .25s;
}

@media (max-width: 820px){
  .nav-inner{padding: 1rem 1.4rem}
  .nav-brand{font-size: .8rem; letter-spacing: 0.14em}
  .nav-toggle{display: flex}
  .nav-links{
    position: absolute; top: 100%; left: 0; right: 0;
    background: var(--white);
    flex-direction: column;
    gap: 0;
    padding: 1rem 1.4rem 1.4rem;
    border-bottom: 1px solid var(--blue-50);
    box-shadow: var(--shadow-sm);
    transform: translateY(-10px);
    opacity: 0;
    pointer-events: none;
    transition: opacity .2s, transform .2s;
  }
  .nav-links.open{
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }
  .nav-links a{
    width: 100%;
    padding: .9rem 0;
    border-bottom: 1px solid var(--blue-50);
    font-size: 1rem;
  }
  .nav-links a:last-child{border-bottom: none}
  .nav-cta{
    margin-top: .8rem;
    text-align: center;
  }
}

/* ============================================================
   Buttons
   ============================================================ */
.btn{
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  padding: .95rem 1.7rem;
  border-radius: 99px;
  font-size: .92rem;
  font-weight: 600;
  letter-spacing: .02em;
  transition: all .3s;
  cursor: pointer;
  white-space: nowrap;
}
.btn-primary{
  background: var(--blue-700);
  color: var(--white);
}
.btn-primary:hover{
  background: var(--blue-900);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.btn-outline{
  border: 1.5px solid var(--blue-300);
  color: var(--blue-700);
  background: transparent;
}
.btn-outline:hover{
  background: var(--blue-700);
  border-color: var(--blue-700);
  color: var(--white);
}
.btn-ghost{
  color: var(--ink);
  border-bottom: 1.5px solid var(--ink);
  border-radius: 0;
  padding: .5rem 0;
}
.btn-ghost:hover{
  color: var(--blue-600);
  border-color: var(--blue-600);
}

/* ============================================================
   Layout helpers
   ============================================================ */
.container{
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
}
.section{
  padding: 6rem 0;
}
.section-sm{padding: 4rem 0}
@media (max-width: 820px){
  .section{padding: 4rem 0}
  .container{padding: 0 1.4rem}
}

/* ============================================================
   Footer (used on every page)
   ============================================================ */
.footer{
  background: var(--blue-900);
  color: var(--blue-100);
  padding: 4rem 0 2rem;
}
.footer-grid{
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}
.footer-brand{
  font-family: 'Syncopate', sans-serif;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-size: 1rem;
  color: var(--white);
  margin-bottom: 1rem;
}
.footer-tagline{
  font-family: 'Fraunces', serif;
  font-style: italic;
  color: var(--blue-200);
  font-size: 1rem;
  max-width: 320px;
  line-height: 1.6;
}
.footer-col h4{
  font-family: 'Inter', sans-serif;
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--blue-200);
  margin-bottom: 1.2rem;
}
.footer-col ul{list-style: none}
.footer-col li{margin-bottom: .7rem}
.footer-col a{
  color: var(--blue-100);
  font-size: .92rem;
}
.footer-col a:hover{color: var(--white)}
.footer-bottom{
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: .82rem;
  color: var(--blue-200);
}
.footer-bottom a{color: var(--blue-100); text-decoration: underline; text-underline-offset: 3px; text-decoration-thickness: 1px}
@media (max-width: 820px){
  .footer-grid{grid-template-columns: 1fr 1fr; gap: 2rem}
  .footer-brand-col{grid-column: span 2}
}
@media (max-width: 480px){
  .footer-grid{grid-template-columns: 1fr}
  .footer-brand-col{grid-column: span 1}
}

/* ============================================================
   Reveal animation (used on all pages)
   ============================================================ */
.reveal{
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .8s cubic-bezier(.2,.7,.3,1), transform .8s cubic-bezier(.2,.7,.3,1);
}
.reveal.in{opacity:1; transform: translateY(0)}
.reveal.delay-1{transition-delay: .12s}
.reveal.delay-2{transition-delay: .24s}
.reveal.delay-3{transition-delay: .36s}

/* ============================================================
   Page-specific: HOME
   ============================================================ */
.home-hero{
  position: relative;
  padding: 6rem 0 5rem;
  background:
    radial-gradient(ellipse at top right, var(--blue-50) 0%, transparent 55%),
    radial-gradient(ellipse at bottom left, var(--mist) 0%, transparent 50%),
    var(--white);
  overflow: hidden;
}
.home-hero-grid{
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 5rem;
  align-items: center;
}
.home-hero h1{
  font-size: clamp(2.6rem, 6vw, 5rem);
  margin: 1.4rem 0 1.6rem;
  letter-spacing: -0.02em;
}
.home-hero h1 em{
  font-style: italic;
  color: var(--blue-500);
  font-weight: 300;
}
.home-hero p.lead{
  font-size: 1.18rem;
  color: var(--ink-soft);
  max-width: 510px;
  margin-bottom: 2.4rem;
  font-family: 'Fraunces', serif;
  font-weight: 400;
}
.home-hero-actions{
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  align-items: center;
}
.hero-cover-stage{
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 480px;
}
.hero-cover-stage::before{
  content:"";
  position: absolute;
  width: 380px; height: 380px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--blue-100) 0%, transparent 70%);
  z-index: 0;
  filter: blur(20px);
}
.hero-cover-img{
  width: 100%;
  max-width: 420px;
  border-radius: var(--radius-sm);
  box-shadow:
    0 40px 80px -20px rgba(20, 46, 72, 0.35),
    0 18px 40px -18px rgba(56, 137, 179, 0.4);
  transform: rotate(-3deg);
  position: relative;
  z-index: 2;
  animation: float 6s ease-in-out infinite;
}
@keyframes float{
  0%,100%{transform: rotate(-3deg) translateY(0)}
  50%{transform: rotate(-3deg) translateY(-12px)}
}
.hero-friends-deco{
  position: absolute;
  bottom: -20px;
  left: -30px;
  width: 200px;
  z-index: 3;
  filter: drop-shadow(0 12px 18px rgba(20,46,72,0.18));
  transform: rotate(-4deg);
  animation: drift 9s ease-in-out infinite;
}
@keyframes drift{
  0%,100%{transform: translateY(0) rotate(-4deg)}
  50%{transform: translateY(-10px) rotate(-2deg)}
}
.hero-badge{
  position: absolute;
  top: 12px; right: -20px;
  background: var(--blue-500);
  color: var(--white);
  font-family: 'Syncopate', sans-serif;
  font-weight: 700;
  font-size: .68rem;
  letter-spacing: 0.15em;
  padding: .7rem 1.2rem;
  border-radius: 99px;
  transform: rotate(8deg);
  z-index: 4;
  box-shadow: 0 10px 22px rgba(61, 111, 156, 0.45);
}
@media (max-width: 900px){
  .home-hero{padding: 3rem 0 4rem}
  .home-hero-grid{grid-template-columns: 1fr; gap: 3rem; text-align: center}
  .eyebrow{justify-content: center}
  .home-hero p.lead{margin-left: auto; margin-right: auto}
  .home-hero-actions{justify-content: center}
  .hero-friends-deco{width: 140px; left: -10px}
}

/* Featured book (home page) */
.featured-section{
  background: var(--mist);
  padding: 6rem 0;
}
.featured-grid{
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 5rem;
  align-items: center;
}
.featured-illus{
  position: relative;
  text-align: center;
}
.featured-illus img{
  max-width: 80%;
  margin: 0 auto;
  filter: drop-shadow(0 24px 36px rgba(20, 46, 72, 0.15));
}
.featured-illus::before{
  content:"";
  position: absolute;
  inset: 10% 0 0 0;
  background: radial-gradient(circle at center, var(--blue-100) 0%, transparent 60%);
  z-index: -1;
  border-radius: 50%;
}
.featured-text h2{
  font-size: clamp(2rem, 4vw, 3rem);
  margin: 1rem 0 1.2rem;
}
.featured-text h2 em{
  font-style: italic;
  color: var(--blue-500);
  font-weight: 300;
}
.featured-text .meta{
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
  margin-bottom: 1.8rem;
  padding-bottom: 1.8rem;
  border-bottom: 1px solid var(--blue-100);
}
.meta-item{
  font-size: .82rem;
}
.meta-label{
  display: block;
  font-family: 'Inter', sans-serif;
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--blue-500);
  margin-bottom: .3rem;
}
.meta-value{
  font-family: 'Fraunces', serif;
  font-size: 1rem;
  color: var(--ink);
}
.featured-text p{
  font-size: 1.05rem;
  color: var(--ink-soft);
  margin-bottom: 1.2rem;
  font-family: 'Fraunces', serif;
}
@media (max-width: 900px){
  .featured-grid{grid-template-columns: 1fr; gap: 3rem}
}

/* About teaser (home page) */
.about-teaser{
  padding: 6rem 0;
}
.about-teaser-grid{
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 5rem;
  align-items: center;
}
.about-teaser-photo{
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
  box-shadow: var(--shadow-md);
}
.about-teaser-photo::after{
  content: "";
  position: absolute;
  top: 16px; left: 16px;
  right: -16px; bottom: -16px;
  border: 1.5px solid var(--blue-300);
  border-radius: var(--radius-md);
  z-index: -1;
}
.about-teaser-photo img{width: 100%; height: 100%; object-fit: cover}
.about-teaser h2{
  font-size: clamp(2rem, 4vw, 3rem);
  margin: 1rem 0 1.5rem;
}
.about-teaser h2 em{font-style: italic; color: var(--blue-500); font-weight: 300}
.about-teaser p{
  font-family: 'Fraunces', serif;
  font-size: 1.1rem;
  color: var(--ink-soft);
  margin-bottom: 1.2rem;
  line-height: 1.75;
}
@media (max-width: 900px){
  .about-teaser-grid{grid-template-columns: 1fr; gap: 3rem}
}

/* CTA strip */
.cta-strip{
  background: var(--blue-900);
  color: var(--white);
  padding: 5rem 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-strip::before{
  content:"";
  position: absolute;
  inset: -50% -10% auto auto;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(127, 167, 200, 0.18), transparent 70%);
  pointer-events: none;
}
.cta-strip h2{
  color: var(--white);
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 1rem;
}
.cta-strip h2 em{font-style: italic; color: var(--blue-300); font-weight: 300}
.cta-strip p{
  color: var(--blue-100);
  margin-bottom: 2.5rem;
  font-family: 'Fraunces', serif;
  font-size: 1.1rem;
  max-width: 540px;
  margin-left: auto;
  margin-right: auto;
}
.cta-strip .btn-primary{
  background: var(--white);
  color: var(--blue-900);
}
.cta-strip .btn-primary:hover{
  background: var(--blue-100);
  color: var(--blue-900);
}
.cta-strip .btn-outline{
  border-color: var(--blue-300);
  color: var(--white);
}
.cta-strip .btn-outline:hover{
  background: var(--white);
  color: var(--blue-900);
}

/* ============================================================
   Page header (used on inner pages)
   ============================================================ */
.page-header{
  background: linear-gradient(180deg, var(--mist) 0%, var(--white) 100%);
  padding: 5rem 0 3.5rem;
  text-align: center;
  border-bottom: 1px solid var(--blue-50);
}
.page-header h1{
  font-size: clamp(2.6rem, 5vw, 4.2rem);
  margin: 1.2rem 0 1rem;
}
.page-header h1 em{font-style: italic; color: var(--blue-500); font-weight: 300}
.page-header p{
  font-family: 'Fraunces', serif;
  font-size: 1.15rem;
  color: var(--ink-soft);
  max-width: 600px;
  margin: 0 auto;
}
.page-header .eyebrow{justify-content: center}

/* ============================================================
   Page-specific: BOOKS
   ============================================================ */
.books-grid{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 380px));
  justify-content: center;
  gap: 3rem;
  margin-top: 3rem;
}
.book-card{
  background: var(--white);
  border: 1px solid var(--blue-50);
  border-radius: var(--radius-md);
  padding: 2rem;
  text-align: center;
  transition: all .35s cubic-bezier(.2,.9,.3,1.2);
  position: relative;
  overflow: hidden;
}
.book-card:hover{
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: var(--blue-200);
}
.book-card-img{
  margin-bottom: 1.6rem;
  display: flex;
  justify-content: center;
  height: 280px;
  align-items: center;
}
.book-card-img img{
  max-height: 100%;
  width: auto;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-md);
  transition: transform .35s;
}
.book-card:hover .book-card-img img{transform: scale(1.04) rotate(-1deg)}
.book-card-tag{
  display: inline-block;
  font-family: 'Inter', sans-serif;
  font-size: .68rem;
  font-weight: 600;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--blue-500);
  background: var(--blue-50);
  padding: .35rem .9rem;
  border-radius: 99px;
  margin-bottom: 1rem;
}
.book-card h3{
  font-size: 1.6rem;
  margin-bottom: .35rem;
}
.book-card-author{
  font-family: 'Fraunces', serif;
  font-style: italic;
  font-size: .95rem;
  color: var(--ink-mute);
  margin-bottom: 1rem;
}
.book-card-desc{
  font-size: .92rem;
  color: var(--ink-soft);
  margin-bottom: 1.4rem;
  line-height: 1.6;
}
.book-card .btn{
  width: 100%;
  justify-content: center;
}

/* Coming-soon placeholder card */
.book-card.coming-soon{
  background: var(--mist);
  border-style: dashed;
  border-color: var(--blue-200);
  color: var(--ink-mute);
}
.book-card.coming-soon .book-card-img{
  background: var(--white);
  border-radius: var(--radius-sm);
  border: 1.5px dashed var(--blue-200);
  flex-direction: column;
  gap: .8rem;
  color: var(--blue-400);
}
.book-card.coming-soon .book-card-img svg{
  width: 56px; height: 56px;
  opacity: .6;
}
.book-card.coming-soon h3{color: var(--blue-700)}

/* ============================================================
   Page-specific: ABOUT
   ============================================================ */
.about-section{padding: 5rem 0}

.about-intro-grid{
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 5rem;
  align-items: start;
}
.about-photo-wrap{
  position: sticky;
  top: 100px;
}
.about-photo{
  width: 100%;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}
.about-photo-frame{
  position: relative;
}
.about-photo-frame::after{
  content: "";
  position: absolute;
  top: 18px; left: 18px;
  right: -18px; bottom: -18px;
  border: 1.5px solid var(--blue-300);
  border-radius: var(--radius-md);
  z-index: -1;
}
.about-content h2{
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  margin: 1rem 0 1.5rem;
}
.about-content h2 em{font-style: italic; color: var(--blue-500); font-weight: 300}
.about-content p{
  font-family: 'Fraunces', serif;
  font-size: 1.1rem;
  color: var(--ink-soft);
  line-height: 1.8;
  margin-bottom: 1.4rem;
}
.about-content h3{
  font-size: 1.5rem;
  margin: 2.5rem 0 1rem;
  color: var(--blue-700);
}
.about-quote{
  font-family: 'Fraunces', serif;
  font-style: italic;
  font-size: 1.4rem;
  color: var(--ink);
  line-height: 1.5;
  padding: 1.8rem 2rem;
  background: var(--blue-50);
  border-left: 4px solid var(--blue-500);
  border-radius: var(--radius-sm);
  margin: 2rem 0;
  position: relative;
}
.about-quote::before{
  content: '"';
  position: absolute;
  top: -10px; left: 14px;
  font-family: 'Fraunces', serif;
  font-size: 4.5rem;
  color: var(--blue-300);
  opacity: .5;
  line-height: 1;
}
.about-facts{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2.5rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--blue-100);
}
.fact{
  text-align: center;
  padding: 1.4rem 1rem;
  background: var(--mist);
  border-radius: var(--radius-md);
}
.fact-num{
  font-family: 'Fraunces', serif;
  font-size: 2.2rem;
  color: var(--blue-600);
  display: block;
  line-height: 1.1;
}
.fact-label{
  font-size: .82rem;
  color: var(--ink-soft);
  margin-top: .3rem;
}
@media (max-width: 900px){
  .about-intro-grid{grid-template-columns: 1fr; gap: 3rem}
  .about-photo-wrap{position: static}
  .about-photo-wrap{max-width: 360px; margin: 0 auto}
}

/* ============================================================
   Page-specific: CONTACT
   ============================================================ */
.contact-grid{
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 4rem;
  align-items: start;
}
.contact-info h3{
  font-size: 1.5rem;
  margin-bottom: 1.4rem;
}
.contact-info > p{
  font-family: 'Fraunces', serif;
  font-size: 1.05rem;
  color: var(--ink-soft);
  margin-bottom: 2rem;
  line-height: 1.7;
}
.contact-list{
  list-style: none;
}
.contact-list li{
  display: flex;
  gap: 1rem;
  padding: 1.2rem 0;
  border-bottom: 1px solid var(--blue-50);
  align-items: flex-start;
}
.contact-list li:last-child{border-bottom: none}
.contact-icon{
  width: 42px; height: 42px;
  flex-shrink: 0;
  background: var(--blue-50);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blue-600);
}
.contact-icon svg{width: 18px; height: 18px}
.contact-detail strong{
  display: block;
  font-family: 'Inter', sans-serif;
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--blue-500);
  margin-bottom: .25rem;
}
.contact-detail span, .contact-detail a{
  font-family: 'Fraunces', serif;
  font-size: 1.05rem;
  color: var(--ink);
}
.contact-detail a:hover{color: var(--blue-600)}

.contact-form{
  background: var(--mist);
  padding: 2.5rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--blue-50);
}
.contact-form h3{
  font-size: 1.5rem;
  margin-bottom: .6rem;
}
.contact-form > p{
  font-size: .95rem;
  color: var(--ink-soft);
  margin-bottom: 1.8rem;
}
.form-row{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1rem;
}
.form-group{
  margin-bottom: 1rem;
  position: relative;
}
.form-group label{
  display: block;
  font-family: 'Inter', sans-serif;
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: .5rem;
}
.form-group input,
.form-group select,
.form-group textarea{
  width: 100%;
  padding: .85rem 1rem;
  border: 1.5px solid var(--blue-100);
  border-radius: var(--radius-sm);
  background: var(--white);
  font-family: 'Inter', sans-serif;
  font-size: .95rem;
  color: var(--ink);
  transition: border-color .25s, box-shadow .25s;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus{
  outline: none;
  border-color: var(--blue-500);
  box-shadow: 0 0 0 4px rgba(61, 111, 156, 0.12);
}
.form-group textarea{
  min-height: 130px;
  resize: vertical;
  font-family: 'Inter', sans-serif;
}
.contact-form .btn{
  width: 100%;
  justify-content: center;
  margin-top: 1rem;
}
.form-note{
  margin-top: 1rem;
  font-size: .78rem;
  color: var(--ink-mute);
  text-align: center;
}
.form-success{
  display: none;
  padding: 1.2rem;
  background: var(--blue-50);
  border-radius: var(--radius-sm);
  color: var(--blue-700);
  font-family: 'Fraunces', serif;
  text-align: center;
}
.form-success.show{display: block}
@media (max-width: 820px){
  .contact-grid{grid-template-columns: 1fr; gap: 3rem}
  .form-row{grid-template-columns: 1fr}
  .contact-form{padding: 1.8rem}
}

/* ============================================================
   Page-specific: BUY
   ============================================================ */
.buy-section{padding: 5rem 0}

.buy-hero-grid{
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 5rem;
  align-items: center;
  margin-bottom: 5rem;
}
.buy-cover-stage{
  position: relative;
  display: flex;
  justify-content: center;
}
.buy-cover-stage::before{
  content: "";
  position: absolute;
  width: 360px; height: 360px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--blue-100) 0%, transparent 70%);
  z-index: 0;
}
.buy-cover-img{
  max-width: 380px;
  width: 100%;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  position: relative;
  z-index: 2;
}
.buy-info h2{
  font-size: clamp(2rem, 4vw, 3rem);
  margin: 1rem 0 1rem;
}
.buy-info h2 em{font-style: italic; color: var(--blue-500); font-weight: 300}
.buy-info > p{
  font-family: 'Fraunces', serif;
  font-size: 1.1rem;
  color: var(--ink-soft);
  margin-bottom: 2rem;
  line-height: 1.7;
}

/* Format selector */
.format-cards{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-bottom: 2.5rem;
}
.format-card{
  background: var(--white);
  border: 1.5px solid var(--blue-100);
  border-radius: var(--radius-md);
  padding: 1.4rem 1rem;
  text-align: center;
  cursor: pointer;
  transition: all .25s;
  position: relative;
}
.format-card:hover{
  border-color: var(--blue-400);
  transform: translateY(-2px);
}
.format-card.selected{
  border-color: var(--blue-500);
  background: var(--blue-50);
  box-shadow: 0 0 0 4px rgba(61, 111, 156, 0.08);
}
.format-card.selected::after{
  content: "✓";
  position: absolute;
  top: 8px; right: 10px;
  width: 22px; height: 22px;
  background: var(--blue-500);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .75rem;
  font-weight: 700;
}
.format-name{
  font-family: 'Fraunces', serif;
  font-size: 1.15rem;
  color: var(--ink);
  margin-bottom: .3rem;
}
.format-isbn{
  font-family: 'Inter', monospace;
  font-size: .72rem;
  color: var(--ink-mute);
}
@media (max-width: 600px){
  .format-cards{grid-template-columns: 1fr}
}

/* Retailers */
.retailers-section{
  background: var(--mist);
  padding: 5rem 0;
}
.retailers-section h3{
  text-align: center;
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  margin-bottom: .6rem;
}
.retailers-section h3 em{font-style: italic; color: var(--blue-500); font-weight: 300}
.retailers-section .lead{
  text-align: center;
  font-family: 'Fraunces', serif;
  color: var(--ink-soft);
  margin-bottom: 3rem;
}
.retailers-grid{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1.2rem;
  max-width: 980px;
  margin: 0 auto;
}
.retailer{
  background: var(--white);
  border: 1px solid var(--blue-50);
  border-radius: var(--radius-md);
  padding: 1.6rem 1rem;
  text-align: center;
  transition: all .3s;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: .4rem;
  min-height: 110px;
}
.retailer:hover{
  background: var(--blue-700);
  color: var(--white);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}
.retailer-name{
  font-family: 'Fraunces', serif;
  font-size: 1.2rem;
  color: var(--ink);
  font-weight: 500;
  transition: color .3s;
}
.retailer:hover .retailer-name{color: var(--white)}
.retailer-format{
  font-size: .72rem;
  color: var(--ink-mute);
  letter-spacing: .08em;
  text-transform: uppercase;
  transition: color .3s;
}
.retailer:hover .retailer-format{color: var(--blue-200)}

@media (max-width: 900px){
  .buy-hero-grid{grid-template-columns: 1fr; gap: 3rem}
}