/*
Theme Name: Life Science Insights
Theme URI: https://lifescienceinsights.com
Author: Life Science Insights
Author URI: https://lifescienceinsights.com
Description: A premium editorial WordPress theme for healthcare, biotechnology, medical innovation, research, AI in healthcare, pharmaceuticals, and life sciences. Features glassmorphism UI, dark mode, Elementor compatibility, and optimal performance.
Version: 1.2.2
Requires at least: 6.8
Tested up to: 6.8
Requires PHP: 8.2
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: life-science-insights
Tags: blog, news, magazine, science, healthcare, biotechnology, elementor, dark-mode, accessibility-ready, translation-ready, custom-menu, featured-images, custom-logo, wide-blocks
*/

/* ============================================================
   CSS Custom Properties – Design Tokens
   ============================================================ */
:root {
  /* Core Colors */
  --lsi-bg: #fffaf8;
  --lsi-bg-alt: #fff5f0;
  --lsi-text: #111111;
  --lsi-text-secondary: #666666;
  --lsi-border: #eaeaea;

  /* Science Accent Palette */
  --lsi-accent: #e5483c;
  --lsi-accent-2: #ea6559;
  --lsi-accent-light: #fce8e6;
  --lsi-success: #2e7d32;

  /* Brand red header — matches the logo background */
  --lsi-header-red: #f03535; /* main bar (logo body) */
  --lsi-header-red-dark: #d92e2e; /* scrolled state */
  --lsi-header-logo-bg: #ee3638; /* left logo-zone block */
  --lsi-header-logo-width: 25%; /* width of the logo zone */
  --lsi-research-blue: #1565c0;

  /* Glassmorphism Header */
  --lsi-glass-bg: rgba(255, 255, 255, 0.72);
  --lsi-glass-border: rgba(255, 255, 255, 0.35);
  --lsi-glass-shadow: 0 8px 40px rgba(0, 0, 0, 0.08);
  --lsi-glass-radius: 18px;
  --lsi-glass-blur: 20px;

  /* Typography */
  --lsi-font-heading: "Montserrat", "Segoe UI", sans-serif;
  --lsi-font-body:
    "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  /* Type Scale */
  --lsi-h1: 3.625rem; /* 58px */
  --lsi-h2: 2.625rem; /* 42px */
  --lsi-h3: 2rem; /* 32px */
  --lsi-h4: 1.5rem; /* 24px */
  --lsi-body: 1.125rem; /* 18px */
  --lsi-small: 0.9375rem; /* 15px */
  --lsi-xs: 0.8125rem; /* 13px — meta, footer, breadcrumbs */
  --lsi-xxs: 0.75rem; /* 12px — badges, labels */
  --lsi-line-height: 1.75;
  --lsi-line-height-tight: 1.2;
  --lsi-line-height-snug: 1.4;
  --lsi-line-height-relaxed: 1.7;

  /* Font Weights */
  --lsi-fw-normal: 400;
  --lsi-fw-medium: 500;
  --lsi-fw-semibold: 600;

  /* Letter Spacing */
  --lsi-ls-tight: -0.03em;
  --lsi-ls-snug: -0.01em;
  --lsi-ls-normal: 0em;
  --lsi-ls-wide: 0.06em;
  --lsi-ls-wider: 0.08em;

  /* Spacing */
  --lsi-space-xs: 0.5rem;
  --lsi-space-sm: 1rem;
  --lsi-space-md: 1.5rem;
  --lsi-space-lg: 2.5rem;
  --lsi-space-xl: 4rem;
  --lsi-space-2xl: 6rem;

  /* Layout */
  --lsi-container: 1140px;
  --lsi-content-width: 1140px;
  --lsi-sidebar-width: 340px;
  --lsi-gap: 2rem;

  /* Header */
  --lsi-header-height: 80px;
  --lsi-header-scrolled: 65px;
  --lsi-header-transition: 300ms ease;

  /* Transitions */
  --lsi-transition: 0.25s ease;
  --lsi-transition-slow: 0.4s ease;

  /* Shadows */
  --lsi-shadow-sm: 0 2px 12px rgba(0, 0, 0, 0.06);
  --lsi-shadow-md: 0 4px 24px rgba(0, 0, 0, 0.09);
  --lsi-shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.12);
  --lsi-shadow-card: 0 2px 16px rgba(0, 137, 123, 0.06);

  /* Radius */
  --lsi-radius-sm: 6px;
  --lsi-radius-md: 12px;
  --lsi-radius-lg: 18px;
  --lsi-radius-xl: 24px;
  --lsi-radius-full: 9999px;

  /* Z-index layers */
  --lsi-z-header: 1000;
  --lsi-z-overlay: 900;
  --lsi-z-dropdown: 800;
}

/* ============================================================
   Dark Mode Tokens
   ============================================================ */
[data-theme="dark"] {
  --lsi-bg: #0d1117;
  --lsi-bg-alt: #161b22;
  --lsi-text: #e8eaf0;
  --lsi-text-secondary: #9ea3ad;
  --lsi-border: #21262d;
  --lsi-glass-bg: rgba(18, 18, 18, 0.72);
  --lsi-glass-border: rgba(255, 255, 255, 0.08);
  --lsi-glass-shadow: 0 8px 40px rgba(0, 0, 0, 0.4);
  --lsi-shadow-sm: 0 2px 12px rgba(0, 0, 0, 0.3);
  --lsi-shadow-md: 0 4px 24px rgba(0, 0, 0, 0.4);
  --lsi-shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
  --lsi-accent-light: rgba(0, 137, 123, 0.15);
}

/* ============================================================
   CSS Reset & Base
   ============================================================ */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--lsi-font-body);
  font-size: var(--lsi-body);
  line-height: var(--lsi-line-height);
  color: var(--lsi-text);
  background-color: var(--lsi-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition:
    background-color var(--lsi-transition-slow),
    color var(--lsi-transition-slow);
  overflow-x: hidden;
}

/* ── Full-page orange-red blurred gradient background ── */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;

  background:
    radial-gradient(ellipse 75% 55% at 10%  5%,  rgba(238, 90,  60,  0.08) 0%, transparent 65%),
    radial-gradient(ellipse 65% 50% at 90%  8%,  rgba(255, 130, 50,  0.06) 0%, transparent 60%),
    radial-gradient(ellipse 60% 65% at 5%  95%,  rgba(255, 140, 60,  0.06) 0%, transparent 60%),
    radial-gradient(ellipse 70% 50% at 95% 90%,  rgba(238, 70,  56,  0.05) 0%, transparent 60%),
    #fffaf8;

  filter: blur(90px) saturate(1.2);
}

[data-theme="dark"] body::before {
  background: #0d1117;
  filter: none;
}

/* Skip Navigation */
.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 9999;
  padding: 0.75rem 1.5rem;
  background: var(--lsi-accent);
  color: #fff;
  font-size: var(--lsi-small);
  font-weight: 600;
  border-radius: var(--lsi-radius-sm);
  text-decoration: none;
  transition: top var(--lsi-transition);
}
.skip-link:focus {
  top: 1rem;
}

/* ============================================================
   Typography
   ============================================================ */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--lsi-font-heading);
  font-weight: 500;
  line-height: 1.2;
  color: var(--lsi-text);
  letter-spacing: -0.01em;
}

h1 {
  font-size: var(--lsi-h1);
  font-weight: 600;
  letter-spacing: -0.03em;
}
h2 {
  font-size: var(--lsi-h2);
  font-weight: 500;
}
h3 {
  font-size: var(--lsi-h3);
}
h4 {
  font-size: var(--lsi-h4);
}
h5 {
  font-size: 1.125rem;
}
h6 {
  font-size: 1rem;
}

p {
  margin-bottom: 1.5rem;
  color: var(--lsi-text);
}

a {
  color: var(--lsi-accent);
  text-decoration: none;
  transition:
    color var(--lsi-transition),
    opacity var(--lsi-transition);
}

a:hover {
  color: var(--lsi-accent-2);
}

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

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

ul,
ol {
  padding-left: 1.5rem;
}
li {
  margin-bottom: 0.4rem;
}

blockquote {
  border-left: 4px solid var(--lsi-accent);
  padding: 1rem 1.5rem;
  margin: 2rem 0;
  background: var(--lsi-accent-light);
  border-radius: 0 var(--lsi-radius-sm) var(--lsi-radius-sm) 0;
  font-family: var(--lsi-font-heading);
  font-size: 1.25rem;
  font-style: italic;
  color: var(--lsi-text);
}

code,
pre {
  font-family: "JetBrains Mono", "Fira Code", "Courier New", monospace;
  font-size: 0.875rem;
  background: var(--lsi-bg-alt);
  border: 1px solid var(--lsi-border);
  border-radius: var(--lsi-radius-sm);
}

code {
  padding: 0.15em 0.4em;
}

pre {
  padding: 1.5rem;
  overflow-x: auto;
  margin: 1.5rem 0;
}

pre code {
  background: none;
  border: none;
  padding: 0;
}

hr {
  border: none;
  border-top: 1px solid var(--lsi-border);
  margin: 2.5rem 0;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--lsi-small);
  margin: 1.5rem 0;
}

th,
td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--lsi-border);
}

th {
  font-weight: 600;
  background: var(--lsi-bg-alt);
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--lsi-text-secondary);
}

/* ============================================================
   Layout Utilities
   ============================================================ */
.lsi-container {
  max-width: var(--lsi-container);
  width: 100%;
  margin-inline: auto;
}

.lsi-container--narrow {
  max-width: var(--lsi-content-width);
}

.lsi-section {
  padding-block: var(--lsi-space-xl);
}

.lsi-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--lsi-gap);
}

.lsi-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--lsi-gap);
}

.lsi-flex {
  display: flex;
  align-items: center;
  gap: 1rem;
}

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

/* ============================================================
   Buttons
   ============================================================ */
.lsi-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  font-family: var(--lsi-font-body);
  font-size: var(--lsi-small);
  font-weight: 500;
  line-height: 1;
  border-radius: var(--lsi-radius-full);
  border: none;
  cursor: pointer;
  transition: all var(--lsi-transition);
  text-decoration: none;
  white-space: nowrap;
  letter-spacing: 0.01em;
}

.lsi-btn--primary {
  background: var(--lsi-accent);
  color: #fff;
}

.lsi-btn--primary:hover {
  background: var(--lsi-accent-2);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(0, 137, 123, 0.3);
}

.lsi-btn--ghost {
  background: transparent;
  color: var(--lsi-text);
  border: 1px solid var(--lsi-border);
}

.lsi-btn--ghost:hover {
  background: var(--lsi-bg-alt);
  color: var(--lsi-text);
  border-color: var(--lsi-accent);
}

/* ============================================================
   Category Badge
   ============================================================ */
.lsi-category-badge {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  padding: 0.3rem 0.9rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: var(--lsi-accent-light);
  color: var(--lsi-accent);
  border-radius: var(--lsi-radius-full);
  text-decoration: none;
  transition: all var(--lsi-transition);
  border: 1px solid transparent;
}

.lsi-category-badge:hover {
  background: var(--lsi-accent);
  color: #fff;
}

/* ============================================================
   Reading Time
   ============================================================ */
.lsi-reading-time {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: var(--lsi-small);
  color: var(--lsi-text-secondary);
}

.lsi-reading-time svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

.lsi-card__author {
  font-size: 0.8125rem;
  color: var(--lsi-text-secondary);
}

/* ============================================================
   Article Meta
   ============================================================ */
.lsi-article-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
  font-size: var(--lsi-small);
  color: var(--lsi-text-secondary);
}

.lsi-article-meta__author {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 500;
  color: var(--lsi-text);
}

.lsi-article-meta__author img {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  object-fit: cover;
}

.lsi-article-meta__sep {
  color: var(--lsi-border);
}

/* ============================================================
   Section Headers
   ============================================================ */
.lsi-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--lsi-space-lg);
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--lsi-border);
}

.lsi-section-title {
  font-family: var(--lsi-font-heading);
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--lsi-text);
  position: relative;
  padding-left: 1rem;
}

.lsi-section-header--no-border {
  border-bottom: none;
  padding-bottom: 0;
}

.lsi-section-title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 70%;
  background: var(--lsi-accent);
  border-radius: var(--lsi-radius-full);
}

/* ============================================================
   Post Cards
   ============================================================ */
.lsi-card {
  background: var(--lsi-bg);
  border: 1px solid var(--lsi-border);
  border-radius: var(--lsi-radius-lg);
  overflow: hidden;
  transition: all var(--lsi-transition);
  display: flex;
  flex-direction: column;
}

.lsi-card:hover {
  border-color: rgba(0, 137, 123, 0.2);
  box-shadow: var(--lsi-shadow-card);
  transform: translateY(-3px);
}

.lsi-card__image {
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--lsi-bg-alt);
}

.lsi-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.lsi-card:hover .lsi-card__image img {
  transform: scale(1.03);
}

.lsi-card__body {
  padding: 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.lsi-card__title {
  font-family: var(--lsi-font-heading);
  font-size: 1.35rem;
  font-weight: 500;
  line-height: 1.3;
  color: var(--lsi-text);
  transition: color var(--lsi-transition);
}

.lsi-card__title a {
  color: inherit;
}
.lsi-card:hover .lsi-card__title {
  color: var(--lsi-accent);
}

.lsi-card__excerpt {
  font-size: var(--lsi-small);
  color: var(--lsi-text-secondary);
  line-height: 1.65;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.lsi-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--lsi-border);
  font-size: 0.8125rem;
  color: var(--lsi-text-secondary);
}

/* ============================================================
   Hero Section
   ============================================================ */
.lsi-hero {
  padding-block: var(--lsi-space-xl);
  background: linear-gradient(
    135deg,
    var(--lsi-bg) 0%,
    var(--lsi-bg-alt) 40%,
    rgba(224, 242, 241, 0.3) 100%
  );
}

.lsi-hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.lsi-hero__content {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  width: 60% !important;
  position: relative;
}

.lsi-hero__title {
  font-size: var(--lsi-h1);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--lsi-text);
}

.lsi-hero__summary {
  font-size: 1.125rem;
  color: var(--lsi-text-secondary);
  line-height: 1.7;
  max-width: 520px;
}

.lsi-hero__meta {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.lsi-hero__image {
  position: relative;
  border-radius: var(--lsi-radius-xl);
  overflow: hidden;
  aspect-ratio: 4/3;
  background: var(--lsi-bg-alt);
  box-shadow: var(--lsi-shadow-lg);
}

.lsi-hero__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ============================================================
   Newsletter Section
   ============================================================ */
.lsi-newsletter {
  background: var(--lsi-bg-alt);
  border-radius: var(--lsi-radius-xl);
  padding: 4rem;
  text-align: center;
  border: 1px solid var(--lsi-border);
  position: relative;
  overflow: hidden;
}

.lsi-newsletter::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(
    ellipse 60% 80% at 50% 100%,
    rgba(0, 137, 123, 0.06),
    transparent
  );
  pointer-events: none;
}

.lsi-newsletter__title {
  font-size: var(--lsi-h2);
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.lsi-newsletter__description {
  color: var(--lsi-text-secondary);
  max-width: 480px;
  margin-inline: auto;
  margin-bottom: 2rem;
}

.lsi-newsletter__form {
  display: flex;
  gap: 0.75rem;
  max-width: 480px;
  margin-inline: auto;
}

.lsi-newsletter__input {
  flex: 1;
  padding: 0.875rem 1.25rem;
  font-family: var(--lsi-font-body);
  font-size: var(--lsi-small);
  background: var(--lsi-bg);
  border: 1px solid var(--lsi-border);
  border-radius: var(--lsi-radius-full);
  color: var(--lsi-text);
  outline: none;
  transition: border-color var(--lsi-transition);
}

.lsi-newsletter__input:focus {
  border-color: var(--lsi-accent);
}

/* ============================================================
   Categories Grid
   ============================================================ */
.lsi-topics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.lsi-topic-card {
  padding: 1.75rem 1.5rem;
  background: var(--lsi-bg);
  border: 1px solid var(--lsi-border);
  border-radius: var(--lsi-radius-lg);
  text-align: center;
  text-decoration: none;
  transition: all var(--lsi-transition);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.lsi-topic-card:hover {
  border-color: var(--lsi-accent);
  background: var(--lsi-accent-light);
  transform: translateY(-2px);
  box-shadow: var(--lsi-shadow-sm);
}

.lsi-topic-card__icon {
  width: 48px;
  height: 48px;
  background: var(--lsi-accent-light);
  border-radius: var(--lsi-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--lsi-accent);
  font-size: 1.25rem;
  transition: all var(--lsi-transition);
}

.lsi-topic-card:hover .lsi-topic-card__icon {
  background: var(--lsi-accent);
  color: #fff;
}

.lsi-topic-card__name {
  font-family: var(--lsi-font-heading);
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--lsi-text);
  transition: color var(--lsi-transition), font-size var(--lsi-transition);
}

.lsi-topic-card:hover .lsi-topic-card__name {
  color: #111111 !important;
  font-size: 1.15rem;
}

.lsi-topic-card__count {
  font-size: 0.8125rem;
  color: var(--lsi-text-secondary);
}

/* ============================================================
   Reading Progress Bar
   ============================================================ */
.lsi-reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 3px;
  background: linear-gradient(90deg, var(--lsi-accent), var(--lsi-accent-2));
  z-index: 9999;
  transition: width 0.1s linear;
}

/* ============================================================
   Table of Contents
   ============================================================ */
.lsi-toc {
  background: var(--lsi-bg-alt);
  border: 1px solid var(--lsi-border);
  border-left: 4px solid var(--lsi-accent);
  border-radius: var(--lsi-radius-md);
  padding: 1.5rem;
  margin: 2.5rem 0;
}

.lsi-toc__title {
  font-family: var(--lsi-font-heading);
  font-size: 1rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1rem;
  color: var(--lsi-text-secondary);
}

.lsi-toc__list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.lsi-toc__list li {
  margin-bottom: 0.4rem;
}

.lsi-toc__list a {
  color: var(--lsi-text);
  font-size: var(--lsi-small);
  transition: color var(--lsi-transition);
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
}

.lsi-toc__list a:hover {
  color: var(--lsi-accent);
}

.lsi-toc__list .lsi-toc__h3 {
  padding-left: 1.25rem;
  font-size: 0.875rem;
  opacity: 0.8;
}

/* ============================================================
   Author Box
   ============================================================ */
.lsi-author-box {
  display: flex;
  gap: 1.75rem;
  padding: 2.5rem;
  background: var(--lsi-bg-alt);
  border: 1px solid var(--lsi-border);
  border-radius: var(--lsi-radius-lg);
  margin: 3rem 0;
}

.lsi-author-box__avatar {
  flex-shrink: 0;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  overflow: hidden;
  background: var(--lsi-border);
}

.lsi-author-box__avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.lsi-author-box__content {
  flex: 1;
}

.lsi-author-box__label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--lsi-accent);
  margin-bottom: 0.25rem;
}

.lsi-author-box__name {
  font-family: var(--lsi-font-heading);
  font-size: 1.35rem;
  font-weight: 500;
  color: var(--lsi-text);
  margin-bottom: 0.75rem;
}

.lsi-author-box__bio {
  font-size: var(--lsi-small);
  color: var(--lsi-text-secondary);
  line-height: 1.7;
  margin-bottom: 1rem;
}

/* ============================================================
   Social Share
   ============================================================ */
.lsi-social-share {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  padding: 1.5rem 0;
  border-top: 1px solid var(--lsi-border);
  border-bottom: 1px solid var(--lsi-border);
  margin: 2.5rem 0;
}

.lsi-social-share__label {
  font-size: var(--lsi-small);
  font-weight: 600;
  color: var(--lsi-text-secondary);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-size: 0.75rem;
}

.lsi-social-share__btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1rem;
  font-size: 0.8125rem;
  font-weight: 500;
  border-radius: var(--lsi-radius-full);
  border: 1px solid var(--lsi-border);
  color: var(--lsi-text);
  background: transparent;
  cursor: pointer;
  transition: all var(--lsi-transition);
  text-decoration: none;
}

.lsi-social-share__btn:hover {
  background: var(--lsi-text);
  color: var(--lsi-bg);
  border-color: var(--lsi-text);
}

/* ============================================================
   Comments
   ============================================================ */
.lsi-comments {
  margin-top: 3rem;
}

.lsi-comments .comment-respond {
  background: var(--lsi-bg-alt);
  padding: 2rem;
  border-radius: var(--lsi-radius-lg);
  border: 1px solid var(--lsi-border);
}

.lsi-comments .comment-list {
  list-style: none;
  padding: 0;
}

.lsi-comments .comment {
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--lsi-border);
}

.lsi-comments .comment-author {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.lsi-comments .comment-author img {
  border-radius: 50%;
  width: 40px;
  height: 40px;
}

/* ============================================================
   Pagination
   ============================================================ */
.lsi-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 2.5rem 0;
  flex-wrap: wrap;
}

.lsi-pagination .page-numbers {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--lsi-radius-sm);
  font-size: var(--lsi-small);
  font-weight: 500;
  color: var(--lsi-text);
  border: 1px solid var(--lsi-border);
  transition: all var(--lsi-transition);
  text-decoration: none;
}

.lsi-pagination .page-numbers.current,
.lsi-pagination .page-numbers:hover {
  background: var(--lsi-accent);
  color: #fff;
  border-color: var(--lsi-accent);
}

.lsi-pagination .page-numbers.prev,
.lsi-pagination .page-numbers.next {
  width: auto;
  padding-inline: 1rem;
  gap: 0.35rem;
}

/* ============================================================
   Breadcrumbs
   ============================================================ */
.lsi-breadcrumbs {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.35rem;
  font-size: 0.8125rem;
  color: var(--lsi-text-secondary);
  padding: 0.75rem 0;
  list-style: none;
  padding: 0;
}

.lsi-breadcrumbs li {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}
.lsi-breadcrumbs a {
  color: var(--lsi-text-secondary);
}
.lsi-breadcrumbs a:hover {
  color: var(--lsi-accent);
}
.lsi-breadcrumbs .sep {
  opacity: 0.4;
}

/* ============================================================
   Single Article
   ============================================================ */
.lsi-single {
  padding-block: var(--lsi-space-xl);
}

.lsi-single__header {
  max-width: var(--lsi-content-width);
  margin-inline: auto;
  margin-bottom: 2.5rem;
}

.lsi-single__header .lsi-article-meta {
  margin-top: 1.25rem;
}

.lsi-single__featured-image {
  margin-bottom: 3rem;
  border-radius: var(--lsi-radius-xl);
  overflow: hidden;
  aspect-ratio: 16/7;
  background: var(--lsi-bg-alt);
}

.lsi-single__featured-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.lsi-single__content {
  max-width: var(--lsi-content-width);
  margin-inline: auto;
}

.lsi-single__content h2 {
  font-size: 2rem;
  margin: 2.5rem 0 1rem;
}
.lsi-single__content h3 {
  font-size: 1.5rem;
  margin: 2rem 0 0.75rem;
}
.lsi-single__content h4 {
  font-size: 1.2rem;
  margin: 1.5rem 0 0.5rem;
}
.lsi-single__content p {
  margin-bottom: 1.5rem;
}
.lsi-single__content img {
  border-radius: var(--lsi-radius-md);
  margin-block: 2rem;
}
.lsi-single__content ul,
.lsi-single__content ol {
  margin-bottom: 1.5rem;
}

/* ============================================================
   Sidebar
   ============================================================ */
.lsi-sidebar {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.lsi-widget {
  background: var(--lsi-bg);
  border: 1px solid var(--lsi-border);
  border-radius: var(--lsi-radius-lg);
  padding: 1.5rem;
  overflow: hidden;
}

.lsi-widget__title {
  font-family: var(--lsi-font-heading);
  font-size: 1rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--lsi-text-secondary);
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--lsi-border);
}

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

/* ---- Outer wrapper ---- */
.lsi-footer {
  background: var(--lsi-bg);
  padding: 2rem 1.5rem 0;
}

/* ---- Dark card body ---- */
.lsi-footer__body {
  background: #1a1f2e; /* dark navy — matches theme's dark header */
  border-radius: 20px;
  overflow: hidden;
}

.lsi-footer__body-inner {
  padding: 3rem 2.5rem;
}

/* ---- 4-col grid ---- */
.lsi-footer__grid {
  display: grid;
  grid-template-columns: 1.7fr 0.85fr 1.3fr 1.1fr;
  gap: 3rem;
  align-items: start;
}

/* ---- Brand column ---- */
.lsi-footer__logo-link {
  display: inline-block;
  text-decoration: none;
  margin-bottom: 1rem;
}

.lsi-footer__logo-img {
  display: block;
  max-width: 180px;
  height: auto;
}

.lsi-footer__logo-text {
  font-family: var(--lsi-font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.01em;
}

.lsi-footer__brand-desc {
  font-family: var(--lsi-font-body);
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.82);
  line-height: 1.7;
  margin: 0 0 1.5rem;
}

.lsi-footer__socials {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.lsi-footer__social-icon {
  width: 36px;
  height: 36px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.75);
  text-decoration: none;
  transition:
    background var(--lsi-transition),
    border-color var(--lsi-transition),
    color var(--lsi-transition);
}

.lsi-footer__social-icon:hover {
  background: var(--lsi-accent);
  border-color: var(--lsi-accent);
  color: #fff;
}

/* ---- Column headings ---- */
.lsi-footer__heading {
  font-family: var(--lsi-font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: #fff;
  margin: 0 0 1.25rem;
  letter-spacing: 0;
  text-transform: none;
}

/* ---- Category links ---- */
.lsi-footer__links {
  list-style: none;
  margin: 0;
  padding: 0;
}

.lsi-footer__links li {
  margin-bottom: 0.65rem;
}

.lsi-footer__links a {
  font-family: var(--lsi-font-body);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: capitalize;
  color: rgba(255, 255, 255, 0.75);
  text-decoration: none;
  transition: color var(--lsi-transition);
}

.lsi-footer__links a:hover {
  color: #fff;
}

/* ---- Newsletter column ---- */
.lsi-footer__newsletter-sub {
  font-family: var(--lsi-font-body);
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.75);
  margin: 0 0 1rem;
}

.lsi-footer__newsletter-form {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.lsi-footer__newsletter-form input[type="email"] {
  width: 100%;
  height: 44px;
  padding: 0 1rem;
  font-size: 0.875rem;
  font-family: var(--lsi-font-body);
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 4px;
  color: #fff;
  outline: none;
  transition: border-color var(--lsi-transition);
}

.lsi-footer__newsletter-form input[type="email"]::placeholder {
  color: rgba(255, 255, 255, 0.55);
}

.lsi-footer__newsletter-form input[type="email"]:focus {
  border-color: rgba(255, 255, 255, 0.7);
}

.lsi-footer__newsletter-form button {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: 46px;
  padding: 0 1.5rem;
  font-size: 0.8125rem;
  font-weight: 700;
  font-family: var(--lsi-font-body);
  letter-spacing: 0.06em;
  background: var(--lsi-accent);
  color: #fff;
  border: none;
  border-radius: 30px;
  cursor: pointer;
  transition: background var(--lsi-transition);
}

.lsi-footer__newsletter-form button:hover {
  background: var(--lsi-accent-2);
}

/* Contact list */
.lsi-footer__contact {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.lsi-footer__contact li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--lsi-font-body);
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.8);
}

.lsi-footer__contact li svg {
  flex-shrink: 0;
  opacity: 0.7;
}

.lsi-footer__contact a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
}

.lsi-footer__contact a:hover {
  color: #fff;
  text-decoration: underline;
}

/* ---- Latest Updates column ---- */
.lsi-footer__updates {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.lsi-footer__update-link {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  text-decoration: none;
}

.lsi-footer__update-thumb {
  width: 60px;
  height: 60px;
  border-radius: 6px;
  overflow: hidden;
  flex-shrink: 0;
  background: rgba(0, 0, 0, 0.2);
}

.lsi-footer__update-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.lsi-footer__update-title {
  font-family: var(--lsi-font-body);
  font-size: 0.8125rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.82);
  line-height: 1.45;
  transition: color var(--lsi-transition);
}

.lsi-footer__update-link:hover .lsi-footer__update-title {
  color: #fff;
}

/* ---- Bottom bar ---- */
.lsi-footer__bottom {
  background: var(--lsi-bg);
  border-top: 1px solid var(--lsi-border);
  padding-block: 1.1rem;
}

.lsi-footer__bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.lsi-footer__copyright {
  font-family: var(--lsi-font-body);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--lsi-text);
}

.lsi-footer__copyright a {
  color: var(--lsi-accent);
  text-decoration: none;
}

.lsi-footer__copyright a:hover {
  text-decoration: underline;
}

.lsi-footer__legal-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  gap: 0;
}

.lsi-footer__legal-links li {
  display: flex;
  align-items: center;
}

.lsi-footer__legal-links li + li::before {
  content: "";
  display: inline-block;
  width: 1px;
  height: 14px;
  background: var(--lsi-border);
  margin-inline: 0.75rem;
}

.lsi-footer__legal-links a {
  font-family: var(--lsi-font-body);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--lsi-text);
  text-decoration: none;
  transition: color var(--lsi-transition);
}

.lsi-footer__legal-links a:hover {
  color: var(--lsi-accent);
}

/* ---- Scroll to top ---- */
.lsi-scroll-top {
  position: fixed;
  right: 1.5rem;
  bottom: 1.75rem;
  z-index: 900;
  width: 40px;
  height: 40px;
  background: var(--lsi-accent);
  color: #fff;
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition:
    opacity 0.3s ease,
    visibility 0.3s ease,
    transform 0.3s ease,
    background 0.25s ease;
  box-shadow: 0 4px 12px rgba(229, 72, 60, 0.35);
}

.lsi-scroll-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.lsi-scroll-top:hover {
  background: var(--lsi-accent-2);
}

/* ---- Responsive ---- */
@media (max-width: 1024px) {
  .lsi-footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
}

@media (max-width: 640px) {
  .lsi-footer {
    padding: 1rem 1rem 0;
  }
  .lsi-footer__body-inner {
    padding: 2rem 1.25rem;
  }
  .lsi-footer__grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .lsi-footer__bottom-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }
  .lsi-footer__legal-links {
    flex-wrap: wrap;
    gap: 0.5rem;
  }
  .lsi-footer__legal-links li + li::before {
    display: none;
  }
}

/* ============================================================
   404 Page
   ============================================================ */
.lsi-404 {
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding-block: var(--lsi-space-xl);
}

.lsi-404__code {
  font-family: var(--lsi-font-heading);
  font-size: 10rem;
  font-weight: 600;
  color: var(--lsi-border);
  line-height: 1;
  margin-bottom: 1rem;
}

/* ============================================================
   Search
   ============================================================ */
.lsi-search-form {
  display: flex;
  gap: 0;
  border: 1px solid var(--lsi-border);
  border-radius: var(--lsi-radius-full);
  overflow: hidden;
  background: var(--lsi-bg);
  transition: border-color var(--lsi-transition);
  box-shadow: var(--lsi-shadow-sm);
}

.lsi-search-form:focus-within {
  border-color: var(--lsi-accent);
}

.lsi-search-form input {
  flex: 1;
  padding: 0.875rem 1.25rem;
  font-size: var(--lsi-small);
  background: transparent;
  border: none;
  outline: none;
  color: var(--lsi-text);
  font-family: var(--lsi-font-body);
}

.lsi-search-form button {
  padding: 0.875rem 1.25rem;
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--lsi-text-secondary);
  transition: color var(--lsi-transition);
  display: flex;
  align-items: center;
}

.lsi-search-form button:hover {
  color: var(--lsi-accent);
}

/* ============================================================
   Stats Block
   ============================================================ */
.lsi-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.lsi-stat {
  text-align: center;
  padding: 2rem 1.5rem;
  background: var(--lsi-bg);
  border: 1px solid var(--lsi-border);
  border-radius: var(--lsi-radius-lg);
}

.lsi-stat__number {
  font-family: var(--lsi-font-heading);
  font-size: 2.75rem;
  font-weight: 600;
  color: var(--lsi-accent);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.lsi-stat__label {
  font-size: var(--lsi-small);
  color: var(--lsi-text-secondary);
  font-weight: 500;
}

/* ============================================================
   Responsive Styles
   ============================================================ */
@media (max-width: 1024px) {
  :root {
    --lsi-h1: 2.875rem;
    --lsi-h2: 2.125rem;
    --lsi-h3: 1.625rem;
    --lsi-container: 100%;
  }
  .lsi-grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
  .lsi-topics-grid {
    grid-template-columns: repeat(4, 1fr);
  }
  .lsi-stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  :root {
    --lsi-h1: 2.25rem;
    --lsi-h2: 1.75rem;
    --lsi-h3: 1.375rem;
    --lsi-body: 1rem;
    --lsi-space-xl: 3rem;
    --lsi-space-2xl: 4rem;
  }
  .lsi-container {
    padding-inline: 1.25rem;
  }
  .lsi-grid-3 {
    grid-template-columns: 1fr;
  }
  .lsi-grid-2 {
    grid-template-columns: 1fr;
  }
  .lsi-hero__inner {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .lsi-hero__image {
    order: -1;
  }
  .lsi-topics-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .lsi-newsletter {
    padding: 2rem 1.5rem;
  }
  .lsi-newsletter__form {
    flex-direction: column;
  }
  .lsi-author-box {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  .lsi-stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  :root {
    --lsi-h1: 1.875rem;
  }
  .lsi-topics-grid {
    grid-template-columns: 1fr 1fr;
  }
  .lsi-stats-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================================
   Print Styles
   ============================================================ */
@media print {
  .lsi-header,
  .lsi-footer,
  .lsi-sidebar,
  .lsi-social-share,
  .lsi-reading-progress {
    display: none !important;
  }
  body {
    font-size: 12pt;
    color: #000;
    background: #fff;
  }
  a {
    color: #000;
  }
  h1,
  h2,
  h3 {
    page-break-after: avoid;
  }
}