/*
Theme Name: AGL Writer
Theme URI: https://adolfoguillen.com
Author: Adolfo Guillen
Author URI: https://adolfoguillen.com
Description: Dark editorial theme for writer Adolfo Guillen. Books, blog, and author showcase.
Version: 1.0.0
Requires at least: 6.4
Tested up to: 6.7
Requires PHP: 8.0
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: agl-writer
Tags: dark, blog, portfolio, books, custom-menu, featured-images, theme-options, two-columns
*/

:root {
  --blue: #002045;
  --blue-container: #1a365d;
  --blue-light: #455f88;
  --orange: #f97316;
  --orange-dark: #a14009;
  --orange-container: #fd844c;
  --white: #f7fafc;
  --gray: #f1f4f6;
  --gray-medium: #ebeef0;
  --gray-dark: #43474e;
  --black-soft: #181c1e;
  --outline: #74777f;
  --outline-variant: #c4c6cf;
  --surface: #0d1f3c;
  --surface-elevated: #132a4d;
  --surface-card: #0f2645;
  --shadow: 0 12px 40px -12px rgba(0, 0, 0, 0.4);
  --shadow-hover: 0 24px 60px -15px rgba(0, 0, 0, 0.6);
  --radius: 0.5rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;
  --container: 1200px;
  --container-narrow: 760px;
  --container-wide: 1440px;
  --font-serif: 'Newsreader', Georgia, serif;
  --font-sans: 'Inter', 'Helvetica Neue', Arial, sans-serif;
  --font-label: 'Manrope', 'Helvetica Neue', Arial, sans-serif;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  background-color: var(--blue);
  color: var(--white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  line-height: 1.15;
  color: var(--white);
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s;
}

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

ul {
  list-style: none;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 2rem;
}

.container-wide {
  max-width: var(--container-wide);
  margin: 0 auto;
  padding: 0 3rem;
}

.container--narrow {
  max-width: var(--container-narrow);
  margin: 0 auto;
  padding: 0 2rem;
}

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

.font-headline {
  font-family: var(--font-serif);
}

.font-body {
  font-family: var(--font-sans);
}

.font-label {
  font-family: var(--font-label);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-size: 0.7rem;
}

/* =============================================
   HEADER
   ============================================= */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(0, 32, 69, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(69, 95, 136, 0.2);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.15);
}

.nav-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 3rem;
  max-width: var(--container-wide);
  margin: 0 auto;
}

.site-logo {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 500;
  letter-spacing: -0.03em;
  color: var(--white);
  text-decoration: none;
  transition: opacity 0.2s;
}

.site-logo:hover {
  opacity: 0.8;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-menu a {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1rem;
  color: rgba(247, 250, 252, 0.7);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}

.nav-menu a:hover,
.nav-menu .current-menu-item > a,
.nav-menu .current-page-ancestor > a {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid rgba(69, 95, 136, 0.4);
  padding: 0.4rem;
  cursor: pointer;
  border-radius: var(--radius);
  flex-direction: column;
  gap: 4px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: transform 0.2s;
}

.header-spacer {
  height: 74px;
}

/* =============================================
   BUTTONS
   ============================================= */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-label);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  border-radius: var(--radius-full);
  text-decoration: none;
  transition: background 0.2s, color 0.2s, transform 0.15s, border-color 0.2s;
  cursor: pointer;
  border: none;
}

.btn--primary {
  background: var(--orange-dark);
  color: #fff;
  padding: 0.85rem 2rem;
}

.btn--primary:hover {
  background: var(--orange);
  transform: translateY(-2px);
}

.btn--secondary {
  background: transparent;
  color: var(--white);
  padding: 0.85rem 2rem;
  border: 1.5px solid rgba(247, 250, 252, 0.3);
}

.btn--secondary:hover {
  border-color: var(--orange);
  color: var(--orange);
  transform: translateY(-2px);
}

.btn--small {
  font-size: 0.65rem;
  padding: 0.5rem 1.25rem;
}

/* =============================================
   SECTION HEADERS
   ============================================= */
.section-label {
  display: block;
  font-family: var(--font-label);
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 0.75rem;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3rem);
  color: var(--white);
  font-weight: 400;
}

.section-divider {
  width: 3rem;
  height: 2px;
  background: var(--orange-dark);
  margin-top: 1rem;
}

/* =============================================
   HERO
   ============================================= */
.hero {
  padding: 6rem 0 4rem;
  min-height: 85vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 60%;
  height: 200%;
  background: radial-gradient(ellipse, rgba(26, 54, 93, 0.4) 0%, transparent 70%);
  pointer-events: none;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  max-width: var(--container-wide);
  margin: 0 auto;
  padding: 0 3rem;
  width: 100%;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-block;
  font-family: var(--font-label);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 1.25rem;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 700;
  line-height: 0.95;
  letter-spacing: -0.02em;
  color: var(--white);
  margin-bottom: 1.5rem;
}

.hero-title em {
  font-style: italic;
  font-weight: 300;
  color: var(--orange);
}

.hero-desc {
  font-size: 1.1rem;
  color: var(--outline-variant);
  max-width: 36rem;
  line-height: 1.7;
  margin-bottom: 2.5rem;
  font-weight: 300;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-image {
  position: relative;
  display: flex;
  justify-content: center;
}

.hero-image img {
  width: 280px;
  aspect-ratio: 2/3;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow-hover);
}

/* =============================================
   BOOKS GRID
   ============================================= */
.section {
  padding: 5rem 0;
}

.section--surface {
  background: var(--surface);
}

.section-header {
  display: flex;
  flex-direction: column;
  margin-bottom: 3rem;
}

.books-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 2.5rem;
}

.book-card {
  text-align: center;
  transition: transform 0.3s;
}

.book-card:hover {
  transform: translateY(-6px);
}

.book-card__cover {
  margin-bottom: 1rem;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.book-card__cover img {
  width: 100%;
  aspect-ratio: 2/3;
  object-fit: cover;
}

.book-card__title {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  line-height: 1.3;
  margin-bottom: 0.5rem;
}

.book-card__title a {
  color: var(--white);
}

.book-card__title a:hover {
  color: var(--orange);
}

.book-card__meta {
  font-size: 0.8rem;
  color: var(--outline-variant);
  margin-bottom: 0.75rem;
  font-family: var(--font-label);
}

.book-card__link {
  font-family: var(--font-label);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--orange);
  text-decoration: none;
  transition: color 0.2s;
}

.book-card__link:hover {
  color: var(--orange-container);
}

/* =============================================
   ABOUT SECTION
   ============================================= */
.about-section {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 4rem;
  align-items: start;
}

.about-photo img {
  width: 100%;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
}

.about-content h2 {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  margin-bottom: 1.5rem;
}

.about-content .entry-content p {
  margin-bottom: 1.25rem;
  color: var(--outline-variant);
  line-height: 1.8;
}

/* =============================================
   BLOG GRID / CARDS
   ============================================= */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.blog-card {
  background: var(--surface-card);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: transform 0.3s, box-shadow 0.3s;
}

.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.blog-card__image {
  width: 100%;
  aspect-ratio: 16/10;
  overflow: hidden;
}

.blog-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s;
}

.blog-card:hover .blog-card__image img {
  transform: scale(1.05);
}

.blog-card__body {
  padding: 1.5rem;
}

.blog-card__meta {
  font-family: var(--font-label);
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--outline);
  margin-bottom: 0.5rem;
}

.blog-card__title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  line-height: 1.3;
  margin-bottom: 0.75rem;
}

.blog-card__title a {
  color: var(--white);
}

.blog-card__title a:hover {
  color: var(--orange);
}

.blog-card__excerpt {
  font-size: 0.85rem;
  color: var(--outline-variant);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.blog-card__read-more {
  font-family: var(--font-label);
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--orange);
  transition: color 0.2s;
}

.blog-card__read-more:hover {
  color: var(--orange-container);
}

/* =============================================
   NEWSLETTER
   ============================================= */
.newsletter-section {
  background: var(--surface-elevated);
  text-align: center;
  padding: 5rem 2rem;
}

.newsletter-badge {
  display: inline-block;
  font-family: var(--font-label);
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 1rem;
}

.newsletter-section h2 {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  margin-bottom: 1rem;
}

.newsletter-tagline {
  color: var(--outline-variant);
  margin-bottom: 2rem;
  font-size: 1rem;
}

/* =============================================
   SINGLE POST
   ============================================= */
.single-header {
  padding: 2rem 0 3rem;
  border-bottom: 1px solid rgba(69, 95, 136, 0.2);
}

.single-header-inner {
  max-width: var(--container-narrow);
  margin: 0 auto;
  padding: 0 2rem;
}

.breadcrumb {
  font-family: var(--font-label);
  font-size: 0.65rem;
  color: var(--outline);
  margin-bottom: 1.25rem;
}

.breadcrumb a {
  color: var(--orange);
}

.breadcrumb a:hover {
  color: var(--orange-container);
}

.single-cat {
  display: inline-block;
  font-family: var(--font-label);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 1rem;
}

.single-title {
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 1.25rem;
}

.single-excerpt {
  font-size: 1.1rem;
  color: var(--outline-variant);
  line-height: 1.6;
  font-style: italic;
  margin-bottom: 1.5rem;
}

.single-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.8rem;
  color: var(--outline);
  font-family: var(--font-label);
  flex-wrap: wrap;
}

.single-meta .author-avatar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.single-meta .author-avatar img {
  border-radius: 50%;
}

.single-meta strong {
  color: var(--white);
  font-weight: 600;
  font-family: var(--font-sans);
}

.single-featured {
  max-width: 960px;
  margin: 3rem auto;
  padding: 0 2rem;
}

.single-featured img {
  width: 100%;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-hover);
}

/* Entry content */
.entry-content {
  max-width: var(--container-narrow);
  margin: 0 auto;
  padding: 3rem 2rem 2rem;
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--outline-variant);
}

.entry-content h2 {
  font-size: 1.7rem;
  margin: 2.5rem 0 1rem;
  color: var(--white);
}

.entry-content h3 {
  font-size: 1.3rem;
  margin: 2rem 0 0.75rem;
  color: var(--white);
}

.entry-content p {
  margin-bottom: 1.5rem;
}

.entry-content a {
  color: var(--orange);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.entry-content a:hover {
  color: var(--orange-container);
}

.entry-content ul,
.entry-content ol {
  padding-left: 1.75rem;
  margin-bottom: 1.5rem;
}

.entry-content ul {
  list-style: disc;
}

.entry-content ol {
  list-style: decimal;
}

.entry-content li {
  margin-bottom: 0.4rem;
}

.entry-content blockquote {
  border-left: 3px solid var(--orange-dark);
  padding: 1rem 1.5rem;
  margin: 2rem 0;
  background: var(--surface-card);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.1rem;
  color: var(--white);
}

.entry-content img {
  width: 100%;
  border-radius: var(--radius);
  margin: 1.5rem 0;
}

.entry-content pre,
.entry-content code {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 0.2rem 0.5rem;
  font-size: 0.9rem;
}

.entry-content pre {
  padding: 1.25rem 1.5rem;
  overflow-x: auto;
  margin: 1.5rem 0;
}

.entry-content pre code {
  background: none;
  padding: 0;
}

/* Tags / Share */
.post-footer-meta {
  max-width: var(--container-narrow);
  margin: 0 auto;
  padding: 2rem;
  border-top: 1px solid rgba(69, 95, 136, 0.3);
  border-bottom: 1px solid rgba(69, 95, 136, 0.3);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.tags-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tag-link {
  display: inline-block;
  font-family: var(--font-label);
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.3rem 0.75rem;
  border: 1px solid rgba(69, 95, 136, 0.4);
  border-radius: var(--radius-full);
  color: var(--outline-variant);
  text-decoration: none;
  transition: all 0.2s;
}

.tag-link:hover {
  background: var(--orange-dark);
  color: #fff;
  border-color: var(--orange-dark);
}

.share-links {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.share-label {
  font-family: var(--font-label);
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--outline);
}

.share-link {
  font-family: var(--font-label);
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--orange);
  text-decoration: none;
}

.share-link:hover {
  color: var(--orange-container);
}

/* Post navigation */
.post-navigation {
  max-width: var(--container-narrow);
  margin: 2rem auto;
  padding: 0 2rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.post-nav-item {
  padding: 1.25rem;
  background: var(--surface-card);
  border-radius: var(--radius);
  text-decoration: none;
  transition: background 0.2s;
}

.post-nav-item:hover {
  background: var(--surface-elevated);
}

.post-nav-label {
  display: block;
  font-family: var(--font-label);
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--outline);
  margin-bottom: 0.3rem;
}

.post-nav-title {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  color: var(--white);
  line-height: 1.3;
}

.post-nav-item:hover .post-nav-title {
  color: var(--orange);
}

.post-nav-next {
  text-align: right;
}

/* Related posts */
.related-section {
  padding: 4rem 0;
  background: var(--surface);
  border-top: 1px solid rgba(69, 95, 136, 0.2);
}

.related-title {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  color: var(--white);
  margin-bottom: 2rem;
  font-weight: 400;
}

.related-title em {
  color: var(--orange);
  font-style: italic;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

/* =============================================
   BOOK SINGLE
   ============================================= */
.book-single {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 4rem;
  padding: 3rem 0;
}

.book-single__cover img {
  width: 100%;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-hover);
}

.book-single__title {
  font-size: clamp(2rem, 3vw, 3rem);
  margin-bottom: 1rem;
}

.book-single__meta {
  font-family: var(--font-label);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--outline-variant);
  margin-bottom: 1.5rem;
}

.book-single__actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(69, 95, 136, 0.3);
}

/* =============================================
   ARCHIVE HEADER
   ============================================= */
.archive-header {
  padding: 2rem 0 3rem;
}

.archive-header h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 0.5rem;
}

.archive-header p {
  color: var(--outline-variant);
  font-size: 1rem;
}

/* =============================================
   PAGINATION
   ============================================= */
.pagination-wrap {
  display: flex;
  justify-content: center;
  padding: 3rem 0;
}

.pagination,
.pagination .page-numbers {
  display: flex;
  gap: 0.4rem;
  align-items: center;
  flex-wrap: wrap;
}

.pagination a,
.pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.5rem;
  height: 2.5rem;
  padding: 0 0.5rem;
  border-radius: var(--radius-full);
  font-family: var(--font-label);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--outline-variant);
  border: 1.5px solid rgba(69, 95, 136, 0.4);
  text-decoration: none;
  transition: all 0.2s;
}

.pagination a:hover {
  background: var(--orange-dark);
  color: #fff;
  border-color: var(--orange-dark);
}

.pagination .current,
.pagination span.current {
  background: var(--orange-dark);
  color: #fff;
  border-color: var(--orange-dark);
}

/* =============================================
   COMMENTS
   ============================================= */
.comments-area {
  max-width: var(--container-narrow);
  margin: 3rem auto;
  padding: 2rem;
  border-top: 1px solid rgba(69, 95, 136, 0.2);
}

.comment-reply-title,
.comments-title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
}

/* =============================================
   CONTACT FORM
   ============================================= */
.contact-form {
  max-width: 600px;
}

.contact-form .form-group {
  margin-bottom: 1.5rem;
}

.contact-form label {
  display: block;
  font-family: var(--font-label);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--outline-variant);
  margin-bottom: 0.5rem;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  background: var(--surface-card);
  border: 1px solid rgba(69, 95, 136, 0.3);
  border-radius: var(--radius);
  padding: 0.85rem 1rem;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  color: var(--white);
  transition: border-color 0.2s, background 0.2s;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--orange);
  background: var(--surface-elevated);
}

.contact-form textarea {
  min-height: 140px;
  resize: vertical;
}

/* =============================================
   404
   ============================================= */
.error-404 {
  text-align: center;
  padding: 6rem 2rem;
}

.error-404 h1 {
  font-size: 6rem;
  font-weight: 700;
  color: var(--orange-dark);
  line-height: 1;
  margin-bottom: 1rem;
}

.error-404 h2 {
  font-size: 1.8rem;
  margin-bottom: 1rem;
}

.error-404 p {
  color: var(--outline-variant);
  margin-bottom: 2rem;
}

/* =============================================
   NO POSTS
   ============================================= */
.no-posts {
  text-align: center;
  padding: 4rem 2rem;
}

.no-posts h2 {
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
}

.no-posts p {
  color: var(--outline-variant);
}

/* =============================================
   SIDEBAR FLOATING (optional, desktop)
   ============================================= */
.sidebar-float {
  position: fixed;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  z-index: 90;
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.sidebar-float-item {
  background: var(--surface-elevated);
  padding: 1rem 1.25rem;
  border-left: 2px solid var(--orange-dark);
  cursor: pointer;
  transition: background 0.2s;
  min-width: 120px;
}

.sidebar-float-item:nth-child(2) {
  border-left-color: var(--blue-container);
}

.sidebar-float-item:nth-child(3) {
  border-left-color: var(--blue-light);
}

.sidebar-float-item:hover {
  background: var(--orange-dark);
}

.sf-label {
  display: block;
  font-family: var(--font-label);
  font-size: 0.55rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--outline);
  margin-bottom: 0.2rem;
}

.sf-title {
  display: block;
  font-family: var(--font-serif);
  font-size: 0.85rem;
  font-style: italic;
  color: var(--white);
}

/* =============================================
   FOOTER
   ============================================= */
.site-footer {
  background: #0a1629;
  color: var(--white);
  padding: 4rem 0 2rem;
}

.footer-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 2rem;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(69, 95, 136, 0.2);
}

.footer-brand .site-title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-style: italic;
  color: var(--white);
  text-decoration: none;
  display: inline-block;
  margin-bottom: 0.75rem;
}

.footer-brand p {
  font-size: 0.85rem;
  color: var(--outline);
  max-width: 24rem;
  line-height: 1.6;
}

.footer-widget-title {
  font-family: var(--font-label);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--outline);
  margin-bottom: 1.25rem;
}

.footer-menu {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-menu a {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  color: rgba(247, 250, 252, 0.6);
  text-decoration: none;
  transition: color 0.2s;
}

.footer-menu a:hover {
  color: var(--orange);
}

.footer-social-title {
  font-family: var(--font-label);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--outline);
  margin-bottom: 1.25rem;
  display: block;
}

.footer-social-icons {
  display: flex;
  gap: 0.75rem;
}

.footer-social-icons a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border: 1px solid rgba(69, 95, 136, 0.3);
  border-radius: 50%;
  color: rgba(247, 250, 252, 0.5);
  text-decoration: none;
  font-family: var(--font-label);
  font-size: 0.6rem;
  font-weight: 700;
  transition: all 0.2s;
}

.footer-social-icons a:hover {
  border-color: var(--orange-dark);
  color: var(--white);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 2rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-copy {
  font-family: var(--font-label);
  font-size: 0.62rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(247, 250, 252, 0.3);
}

.footer-legal {
  display: flex;
  gap: 1.5rem;
}

.footer-legal a {
  font-family: var(--font-label);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(247, 250, 252, 0.3);
  text-decoration: none;
  transition: color 0.2s;
}

.footer-legal a:hover {
  color: var(--orange);
}

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 1024px) {
  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-desc {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-image {
    display: none;
  }

  .blog-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .related-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .about-section {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .about-photo {
    max-width: 250px;
    margin: 0 auto;
  }

  .book-single {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .book-single__cover {
    max-width: 280px;
    margin: 0 auto;
  }

  .book-single__actions {
    justify-content: center;
  }

  .sidebar-float {
    display: none;
  }

  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-inner {
    padding: 0.85rem 1.5rem;
  }

  .nav-menu {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(0, 32, 69, 0.98);
    backdrop-filter: blur(20px);
    padding: 1.5rem;
    gap: 1rem;
    border-top: 1px solid rgba(69, 95, 136, 0.3);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
  }

  .nav-menu.is-open {
    display: flex;
  }

  .nav-toggle {
    display: flex;
  }

  .container {
    padding: 0 1.25rem;
  }

  .container-wide {
    padding: 0 1.25rem;
  }

  .hero {
    padding: 5rem 0 3rem;
    min-height: auto;
  }

  .hero-title {
    font-size: 2.2rem;
  }

  .blog-grid {
    grid-template-columns: 1fr;
  }

  .related-grid {
    grid-template-columns: 1fr;
  }

  .books-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .post-navigation {
    grid-template-columns: 1fr;
  }

  .post-nav-next {
    text-align: left;
  }

  .footer-top {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .footer-legal {
    justify-content: center;
  }

  .post-footer-meta {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 480px) {
  .books-grid {
    grid-template-columns: 1fr;
    max-width: 260px;
    margin: 0 auto;
  }

  .hero-title {
    font-size: 1.8rem;
  }

  .hero-actions {
    flex-direction: column;
    align-items: center;
  }
}