/* ══════════════════════════════════════════════════
   BookHaven — Student Bookstore Styles
   Supplements the base style.css
   ══════════════════════════════════════════════════ */

/* ─── Override accent to BookHaven indigo/violet ─── */
:root {
  --accent:       #5b4fcf;
  --accent-hover: #4a3eb8;
  --bh-indigo:    #5b4fcf;
  --bh-violet:    #764ba2;
  --bh-gold:      #f7971e;
  --bh-green:     #11998e;
  --bh-card-bg:   #ffffff;
  --bh-card-shadow: 0 8px 32px rgba(91,79,207,0.10);
  --bh-card-shadow-hover: 0 20px 48px rgba(91,79,207,0.20);
}

/* ─── Nav ─── */
.bh-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  gap: var(--space-6);
  padding: var(--space-4) var(--space-8);
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
.bh-brand {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--bh-indigo);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.35rem;
  white-space: nowrap;
}
.bh-brand:hover { color: var(--bh-indigo); }
.bh-brand-icon { font-size: 1.5rem; }
.bh-nav-links {
  display: flex;
  gap: var(--space-6);
  flex: 1;
  justify-content: center;
}
.bh-nav-links a {
  font-size: var(--type-sm);
  font-weight: 500;
  color: var(--fg);
  transition: color var(--dur) var(--ease);
}
.bh-nav-links a:hover { color: var(--bh-indigo); }
.bh-nav-actions { margin-left: auto; }
.bh-hamburger {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  margin-left: auto;
  color: var(--fg);
}

/* ─── Hero ─── */
.bh-hero {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  min-height: 88vh;
  padding: var(--space-20) var(--space-8);
  overflow: hidden;
  gap: var(--space-12);
}
.bh-hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 70% 50%, rgba(91,79,207,0.08) 0%, transparent 65%),
    radial-gradient(ellipse at 20% 20%, rgba(118,75,162,0.06) 0%, transparent 55%),
    linear-gradient(160deg, #f8f7ff 0%, #ffffff 60%);
  z-index: 0;
}
.bh-hero-content {
  position: relative;
  z-index: 1;
  max-width: 560px;
}
.bh-eyebrow {
  display: inline-block;
  background: rgba(91,79,207,0.10);
  color: var(--bh-indigo);
  font-size: var(--type-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: var(--space-2) var(--space-4);
  border-radius: 999px;
  margin-bottom: var(--space-5);
}
.bh-hero-content h1 {
  font-size: clamp(2.5rem, 5.5vw, 4.2rem);
  line-height: 1.08;
  margin-bottom: var(--space-5);
  color: var(--fg);
}
.bh-highlight {
  background: linear-gradient(135deg, var(--bh-indigo), var(--bh-violet));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.bh-hero-content > p {
  font-size: var(--type-lg);
  color: var(--fg-soft);
  margin-bottom: var(--space-8);
  max-width: 480px;
}
.bh-hero-btns {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  margin-bottom: var(--space-10);
}
.bh-hero-stats {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}
.bh-stat {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}
.bh-stat strong {
  font-size: var(--type-xl);
  font-weight: 800;
  color: var(--bh-indigo);
  line-height: 1;
}
.bh-stat span {
  font-size: var(--type-xs);
  color: var(--fg-soft);
  font-weight: 500;
}
.bh-stat-divider {
  width: 1px;
  height: 36px;
  background: var(--border);
}

/* Hero floating books */
.bh-hero-visual {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 400px;
}
.bh-book-stack {
  position: relative;
  width: 340px;
  height: 360px;
}
.bh-book-card-float {
  position: absolute;
  background: white;
  border-radius: 16px;
  box-shadow: 0 16px 48px rgba(91,79,207,0.18);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  text-align: center;
  font-size: var(--type-sm);
  font-weight: 600;
  color: var(--fg-soft);
  animation: bh-float 4s ease-in-out infinite;
}
.bh-book-card-float p { margin: 0; }
.bh-book-cover {
  width: 72px;
  height: 96px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}
.bh-float-1 {
  top: 0; left: 30px;
  animation-delay: 0s;
  transform: rotate(-4deg);
}
.bh-float-2 {
  top: 120px; left: 160px;
  animation-delay: -1.3s;
  transform: rotate(3deg);
}
.bh-float-3 {
  top: 230px; left: 40px;
  animation-delay: -2.6s;
  transform: rotate(-2deg);
}
@keyframes bh-float {
  0%, 100% { transform: translateY(0) rotate(var(--r, 0deg)); }
  50%       { transform: translateY(-12px) rotate(var(--r, 0deg)); }
}
.bh-float-1 { --r: -4deg; }
.bh-float-2 { --r: 3deg; }
.bh-float-3 { --r: -2deg; }

/* ─── Category chips ─── */
.bh-categories {
  background: var(--bg-alt);
  padding: var(--space-5) var(--space-8);
  border-bottom: 1px solid var(--border);
}
.bh-cats-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  align-items: center;
  justify-content: center;
}
.bh-cat-chip {
  display: inline-block;
  padding: var(--space-2) var(--space-5);
  border-radius: 999px;
  background: white;
  border: 1.5px solid var(--border);
  font-size: var(--type-sm);
  font-weight: 500;
  color: var(--fg);
  transition: all var(--dur) var(--ease);
  white-space: nowrap;
}
.bh-cat-chip:hover {
  background: var(--bh-indigo);
  border-color: var(--bh-indigo);
  color: white;
  transform: translateY(-2px);
}

/* ─── Section eyebrow ─── */
.bh-section-eyebrow {
  display: inline-block;
  font-size: var(--type-xs);
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--bh-indigo);
  margin-bottom: var(--space-2);
}

/* ─── Book grid & cards ─── */
.bh-book-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: var(--space-6);
}

.bh-book-card {
  background: var(--bh-card-bg);
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--border-soft);
  box-shadow: var(--bh-card-shadow);
  display: flex;
  flex-direction: column;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.bh-book-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--bh-card-shadow-hover);
}

.bh-book-cover-wrap {
  position: relative;
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.bh-book-emoji {
  font-size: 5rem;
  filter: drop-shadow(0 8px 20px rgba(0,0,0,0.3));
  transition: transform 0.3s var(--ease);
}
.bh-book-card:hover .bh-book-emoji {
  transform: scale(1.12) translateY(-4px);
}

.bh-book-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 4px 12px;
  border-radius: 999px;
  background: var(--fg);
  color: white;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.bh-badge-sale { background: #ff5722; }
.bh-badge-pop  { background: var(--bh-indigo); }

.bh-book-info {
  padding: 1.25rem 1.25rem 1.1rem;
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: 0.3rem;
}
.bh-book-genre {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--bh-indigo);
}
.bh-book-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--fg);
  margin: 0.1rem 0 0;
  line-height: 1.25;
}
.bh-book-author {
  font-size: 0.82rem;
  color: var(--fg-soft);
  margin: 0;
  font-weight: 500;
}
.bh-book-desc {
  font-size: 0.84rem;
  color: var(--fg-soft);
  line-height: 1.55;
  margin: 0.35rem 0 0.5rem;
  flex: 1;
}
.bh-book-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-top: auto;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border-soft);
}
.bh-book-price {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--bh-indigo);
}
.bh-book-price del {
  font-size: 0.82rem;
  font-weight: 400;
  color: var(--fg-fade);
  margin-left: 4px;
}
.bh-explore-btn {
  font-size: 0.8rem;
  padding: 0.45rem 1rem;
  border-radius: 8px;
  white-space: nowrap;
}

/* ─── About section ─── */
.bh-about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}
.bh-about-visual {
  position: relative;
  min-height: 360px;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  align-content: center;
}
.bh-about-bg-blob {
  position: absolute;
  inset: -20px;
  background: radial-gradient(ellipse at 50% 50%, rgba(91,79,207,0.07) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}
.bh-about-card {
  position: relative;
  z-index: 1;
  background: white;
  border-radius: 20px;
  padding: 1.5rem 1.75rem;
  box-shadow: 0 8px 32px rgba(91,79,207,0.12);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.3rem;
  text-align: center;
  transition: transform 0.3s var(--ease);
  border: 1px solid rgba(91,79,207,0.1);
}
.bh-about-card:hover { transform: translateY(-6px); }
.bh-about-card strong { font-size: 1.6rem; font-weight: 800; color: var(--bh-indigo); line-height: 1; }
.bh-about-card span  { font-size: 0.82rem; color: var(--fg-soft); font-weight: 500; }
.bh-about-card-1 { width: 45%; align-self: flex-start; margin-top: 2rem; }
.bh-about-card-2 { width: 48%; align-self: center; }
.bh-about-card-3 { width: 40%; align-self: flex-end; margin-bottom: 1rem; }

.bh-about-text h2 {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  margin: var(--space-3) 0 var(--space-5);
}
.bh-about-text p {
  color: var(--fg-soft);
  margin-bottom: var(--space-4);
  font-size: var(--type-base);
  line-height: 1.7;
}
.bh-about-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.bh-about-list li {
  font-size: var(--type-sm);
  font-weight: 500;
  color: var(--fg);
}

/* ─── Testimonials ─── */
.bh-testimonial-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-6);
}
.bh-testimonial {
  background: white;
  border-radius: 20px;
  padding: 1.75rem;
  box-shadow: 0 4px 24px rgba(91,79,207,0.08);
  border: 1px solid var(--border-soft);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  transition: transform 0.3s var(--ease);
}
.bh-testimonial:hover { transform: translateY(-4px); }
.bh-stars { color: #fbbf24; font-size: 1.1rem; letter-spacing: 2px; }
.bh-testimonial p {
  color: var(--fg-soft);
  font-size: var(--type-sm);
  line-height: 1.65;
  margin: 0;
  font-style: italic;
}
.bh-reviewer {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-top: auto;
}
.bh-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--bh-indigo), var(--bh-violet));
  color: white;
  font-size: 0.8rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.bh-reviewer strong { display: block; font-size: 0.9rem; color: var(--fg); }
.bh-reviewer span   { font-size: 0.75rem; color: var(--fg-soft); }

/* ─── Contact ─── */
.bh-contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: var(--space-16);
  align-items: start;
}
.bh-contact-info h2 {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  margin: var(--space-3) 0 var(--space-4);
}
.bh-contact-info > p {
  color: var(--fg-soft);
  margin-bottom: var(--space-8);
  line-height: 1.7;
}
.bh-contact-items {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}
.bh-contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
}
.bh-contact-icon {
  font-size: 1.6rem;
  line-height: 1;
  flex-shrink: 0;
}
.bh-contact-item strong { display: block; font-size: 0.9rem; font-weight: 700; margin-bottom: 2px; }
.bh-contact-item a, .bh-contact-item span {
  font-size: 0.9rem;
  color: var(--fg-soft);
}
.bh-contact-item a:hover { color: var(--bh-indigo); }

.bh-contact-form-wrap {
  background: white;
  border-radius: 24px;
  padding: 2.5rem;
  box-shadow: 0 8px 40px rgba(91,79,207,0.10);
  border: 1px solid var(--border-soft);
}
.bh-contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.bh-field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}
.bh-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.bh-field label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--fg);
  letter-spacing: 0.01em;
}
.bh-field input,
.bh-field textarea {
  padding: var(--space-3) var(--space-4);
  border: 1.5px solid var(--border);
  border-radius: 10px;
  font-family: inherit;
  font-size: var(--type-sm);
  color: var(--fg);
  background: var(--bg-alt);
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
  resize: vertical;
}
.bh-field input:focus,
.bh-field textarea:focus {
  outline: none;
  border-color: var(--bh-indigo);
  box-shadow: 0 0 0 3px rgba(91,79,207,0.12);
  background: white;
}

/* ─── Socials ─── */
.bh-socials {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-4);
}
.bh-socials a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 700;
  color: rgba(255,255,255,0.7);
  transition: all var(--dur) var(--ease);
}
.bh-socials a:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
}

/* ─── Responsive ─── */
@media (max-width: 960px) {
  .bh-hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding: var(--space-16) var(--space-6);
    text-align: center;
  }
  .bh-hero-content { max-width: 100%; }
  .bh-hero-content > p { max-width: 100%; }
  .bh-hero-btns { justify-content: center; }
  .bh-hero-stats { justify-content: center; }
  .bh-hero-visual { display: none; }
  .bh-about-grid  { grid-template-columns: 1fr; }
  .bh-about-visual { display: none; }
  .bh-contact-grid { grid-template-columns: 1fr; gap: var(--space-10); }
}

@media (max-width: 680px) {
  .bh-nav {
    flex-wrap: wrap;
    padding: var(--space-3) var(--space-4);
    gap: var(--space-2);
  }
  .bh-nav-links {
    display: none;
    flex-direction: column;
    order: 3;
    width: 100%;
    padding: var(--space-4) 0 var(--space-2);
    gap: var(--space-3);
    text-align: center;
  }
  .bh-nav.open .bh-nav-links { display: flex; }
  .bh-nav-actions { display: none; }
  .bh-hamburger {
    display: block;
    margin-left: auto;
  }
  .bh-field-row { grid-template-columns: 1fr; }
  .bh-contact-form-wrap { padding: 1.5rem; }
  .bh-book-grid { grid-template-columns: 1fr 1fr; gap: var(--space-4); }
}
@media (max-width: 460px) {
  .bh-book-grid { grid-template-columns: 1fr; }
}