/*
Theme Name: BioTrack Lab
Theme URI: https://github.com/tiago/biotrack
Author: BioTrack Obsidian Lab
Author URI: https://biotrack.lab
Description: Tema premium de blog e portal editorial para WordPress com foco em biohacking, longevidade celular, neuroperformance e telemetria de biomarcadores. Baseado no Obsidian Bioscience Design System com layout Bento Grid, Calculadora Epigenética integrada e suporte completo a páginas dinâmicas para cada artigo.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.7
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: biotrack
Tags: dark-mode, grid-layout, custom-colors, custom-header, custom-menu, featured-images, full-width-template, post-formats, theme-options, translation-ready, accessibility-ready
*/

/* ==========================================================================
   Obsidian Bioscience Design System - Core Tokens
   ========================================================================== */
:root {
  /* Colors - Core Dark Palette */
  --color-surface: #0f131d;
  --color-surface-dim: #0f131d;
  --color-surface-bright: #353944;
  --color-surface-container-lowest: #0a0e18;
  --color-surface-container-low: #171b26;
  --color-surface-container: #1c1f2a;
  --color-surface-container-high: #262a35;
  --color-surface-container-highest: #313540;

  --color-on-surface: #dfe2f1;
  --color-on-surface-variant: #b9cbb9;
  --color-inverse-surface: #dfe2f1;
  --color-inverse-on-surface: #2c303b;

  --color-outline: #849585;
  --color-outline-variant: #3b4b3d;
  --color-surface-tint: #00e478;

  /* Primary Accent: Bioluminescent Green */
  --color-primary: #f1ffef;
  --color-on-primary: #003919;
  --color-primary-container: #00ff87;
  --color-on-primary-container: #007138;
  --color-primary-fixed: #60ff98;
  --color-primary-fixed-dim: #00e478;
  --color-primary-glow: rgba(0, 255, 135, 0.4);
  --color-primary-glow-soft: rgba(0, 255, 135, 0.15);

  /* Secondary Accent: Electric Cyan */
  --color-secondary: #bdf4ff;
  --color-on-secondary: #00363d;
  --color-secondary-container: #00e3fd;
  --color-on-secondary-container: #00616d;
  --color-secondary-fixed: #9cf0ff;
  --color-secondary-fixed-dim: #00daf3;
  --color-secondary-glow: rgba(0, 227, 253, 0.35);

  /* Tertiary Accent: Atmospheric Blue */
  --color-tertiary: #f8fbff;
  --color-tertiary-container: #bae4ff;
  --color-on-tertiary-container: #00698f;
  --color-tertiary-fixed: #c4e7ff;
  --color-tertiary-fixed-dim: #7bd0ff;

  /* Alerts & Error */
  --color-error: #ffb4ab;
  --color-error-container: #93000a;
  --color-on-error-container: #ffdad6;

  /* Typography Families */
  --font-display: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-headline: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-data: 'JetBrains Mono', 'Fira Code', monospace;

  /* Spacing Scale */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2.5rem;
  --space-2xl: 4rem;

  /* Border Radii */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;

  /* Glassmorphism & Elevation */
  --glass-bg-low: rgba(23, 27, 38, 0.75);
  --glass-bg-mid: rgba(28, 31, 42, 0.85);
  --glass-border: rgba(132, 149, 133, 0.25);
  --glass-border-hover: rgba(0, 227, 253, 0.5);
  --glass-blur: blur(18px);

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.7);
  --shadow-glow-primary: 0 0 24px var(--color-primary-glow);
  --shadow-glow-cyan: 0 0 24px var(--color-secondary-glow);

  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

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

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

body {
  background-color: var(--color-surface);
  color: var(--color-on-surface);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  position: relative;
  background-image: 
    radial-gradient(circle at 10% 20%, rgba(0, 227, 253, 0.04) 0%, transparent 40%),
    radial-gradient(circle at 90% 60%, rgba(0, 255, 135, 0.03) 0%, transparent 45%),
    radial-gradient(circle at 50% 90%, rgba(56, 189, 248, 0.03) 0%, transparent 50%);
  background-attachment: fixed;
}

::selection {
  background-color: var(--color-primary-container);
  color: var(--color-on-primary-container);
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--color-surface-container-lowest);
}
::-webkit-scrollbar-thumb {
  background: var(--color-surface-container-highest);
  border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--color-outline);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-headline);
  color: var(--color-primary);
  line-height: 1.25;
  font-weight: 700;
}

h1 {
  font-size: clamp(2rem, 4vw, 3.25rem);
  letter-spacing: -0.025em;
}

h2 {
  font-size: clamp(1.5rem, 2.5vw, 2.25rem);
  letter-spacing: -0.02em;
}

h3 {
  font-size: clamp(1.2rem, 1.8vw, 1.5rem);
  letter-spacing: -0.015em;
}

h4 {
  font-size: 1.125rem;
  letter-spacing: -0.01em;
}

p {
  color: var(--color-on-surface-variant);
  margin-bottom: var(--space-xs);
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* Monospace & Badges */
.font-mono {
  font-family: var(--font-data);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.25rem 0.625rem;
  border-radius: var(--radius-full);
  font-family: var(--font-data);
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  line-height: 1;
}

.badge-primary {
  background: var(--color-primary-glow-soft);
  color: var(--color-primary-container);
  border: 1px solid rgba(0, 255, 135, 0.35);
}

.badge-secondary {
  background: rgba(0, 227, 253, 0.12);
  color: var(--color-secondary-container);
  border: 1px solid rgba(0, 227, 253, 0.35);
}

.badge-neutral {
  background: var(--color-surface-container-high);
  color: var(--color-on-surface-variant);
  border: 1px solid var(--color-outline-variant);
}

.pulse-dot {
  width: 6px;
  height: 6px;
  border-radius: var(--radius-full);
  background-color: var(--color-primary-container);
  box-shadow: 0 0 8px var(--color-primary-container);
  animation: pulse-glow 2s infinite ease-in-out;
}

.pulse-dot-cyan {
  width: 6px;
  height: 6px;
  border-radius: var(--radius-full);
  background-color: var(--color-secondary-container);
  box-shadow: 0 0 8px var(--color-secondary-container);
  animation: pulse-glow 2s infinite ease-in-out;
}

@keyframes pulse-glow {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

/* Container */
.container {
  width: 100%;
  max-width: 1400px;
  margin-left: auto;
  margin-right: auto;
  padding-left: clamp(1rem, 3vw, var(--space-xl));
  padding-right: clamp(1rem, 3vw, var(--space-xl));
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(10, 14, 24, 0.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(59, 75, 61, 0.4);
  transition: all var(--transition-smooth);
}

.header-inner {
  height: 4.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.brand-wrapper {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-headline);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.brand-icon-box {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  background: var(--color-surface-container-low);
  border: 1px solid rgba(0, 255, 135, 0.3);
  color: var(--color-primary-container);
  box-shadow: 0 0 12px rgba(0, 255, 135, 0.15);
}

.brand-logo-text {
  color: var(--color-primary);
}

.brand-logo-accent {
  color: var(--color-primary-container);
  font-weight: 800;
}

.main-nav {
  display: none;
}

@media (min-width: 992px) {
  .main-nav {
    display: flex;
    align-items: center;
    gap: 1.5rem;
  }
}

.main-nav ul {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  list-style: none;
}

.main-nav li {
  position: relative;
}

.main-nav a,
.nav-link {
  font-size: 0.875rem;
  color: var(--color-on-surface-variant);
  font-weight: 500;
  position: relative;
  padding: 0.375rem 0;
  transition: color var(--transition-fast);
  display: inline-block;
}

.main-nav a:hover,
.nav-link:hover,
.main-nav .current-menu-item > a {
  color: var(--color-primary-container);
}

.main-nav .current-menu-item > a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-primary-container);
  box-shadow: 0 0 8px var(--color-primary-container);
  border-radius: var(--radius-full);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.header-search {
  display: none;
  position: relative;
  width: 240px;
}

@media (min-width: 768px) {
  .header-search {
    display: flex;
    align-items: center;
  }
}

.header-search input {
  width: 100%;
  background: var(--color-surface-container-low);
  border: 1px solid var(--color-outline-variant);
  border-radius: var(--radius-md);
  color: var(--color-on-surface);
  font-size: 0.8125rem;
  padding: 0.45rem 2rem 0.45rem 2rem;
  font-family: var(--font-body);
  transition: all var(--transition-fast);
}

.header-search input:focus {
  outline: none;
  border-color: var(--color-secondary-container);
  box-shadow: 0 0 0 2px rgba(0, 227, 253, 0.2);
}

.header-search .search-icon {
  position: absolute;
  left: 0.625rem;
  font-size: 1rem;
  color: var(--color-outline);
  pointer-events: none;
}

.header-search .search-clear {
  position: absolute;
  right: 0.5rem;
  color: var(--color-outline);
  font-size: 0.875rem;
  cursor: pointer;
  display: none;
}

.header-search .search-clear.visible {
  display: block;
}

/* Nav Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.55rem 1.15rem;
  border-radius: var(--radius-md);
  font-family: var(--font-headline);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: all var(--transition-smooth);
  cursor: pointer;
}

.btn-primary {
  background: var(--color-primary-container);
  color: var(--color-on-primary-container);
  box-shadow: 0 0 16px rgba(0, 255, 135, 0.25);
}

.btn-primary:hover {
  background: #33ff9f;
  box-shadow: 0 0 24px rgba(0, 255, 135, 0.45);
  transform: translateY(-1px);
}

.btn-outline {
  background: rgba(28, 31, 42, 0.7);
  color: var(--color-secondary-container);
  border: 1px solid rgba(0, 227, 253, 0.4);
  backdrop-filter: blur(10px);
}

.btn-outline:hover {
  background: var(--color-surface-container-high);
  border-color: var(--color-secondary-container);
  color: #fff;
  box-shadow: 0 0 20px rgba(0, 227, 253, 0.3);
  transform: translateY(-1px);
}

.btn-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: var(--color-surface-container);
  border: 1px solid var(--color-outline-variant);
  color: var(--color-on-surface);
  transition: all var(--transition-fast);
}

.btn-icon:hover {
  background: var(--color-surface-container-high);
  color: var(--color-primary-container);
  border-color: var(--color-primary-container);
}

.mobile-nav-toggle {
  display: flex;
}

@media (min-width: 992px) {
  .mobile-nav-toggle {
    display: none;
  }
}

.mobile-nav-drawer {
  display: none;
  position: fixed;
  top: 4.5rem;
  left: 0;
  right: 0;
  background: rgba(10, 14, 24, 0.98);
  border-bottom: 1px solid var(--color-outline-variant);
  padding: var(--space-lg);
  backdrop-filter: blur(24px);
  z-index: 99;
  flex-direction: column;
  gap: var(--space-md);
  box-shadow: var(--shadow-lg);
}

.mobile-nav-drawer.open {
  display: flex;
  animation: slideDown 0.25s ease-out forwards;
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.mobile-nav-links a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  background: var(--color-surface-container-low);
  border-radius: var(--radius-md);
  border: 1px solid rgba(59, 75, 61, 0.2);
  color: var(--color-on-surface);
  font-weight: 500;
}

.mobile-nav-links a:hover {
  background: var(--color-surface-container);
  color: var(--color-primary-container);
  border-color: rgba(0, 255, 135, 0.3);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
  position: relative;
  padding-top: calc(4.5rem + var(--space-xl));
  padding-bottom: var(--space-xl);
  overflow: hidden;
}

.hero-glow-1 {
  position: absolute;
  top: 10%;
  left: -5%;
  width: 450px;
  height: 450px;
  border-radius: var(--radius-full);
  background: radial-gradient(circle, rgba(0, 227, 253, 0.12) 0%, transparent 70%);
  filter: blur(80px);
  pointer-events: none;
  z-index: 0;
}

.hero-glow-2 {
  position: absolute;
  top: 40%;
  right: -5%;
  width: 500px;
  height: 500px;
  border-radius: var(--radius-full);
  background: radial-gradient(circle, rgba(0, 255, 135, 0.1) 0%, transparent 70%);
  filter: blur(90px);
  pointer-events: none;
  z-index: 0;
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  align-items: center;
}

@media (min-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1.25fr 1fr;
  }
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-md);
}

.hero-title {
  color: var(--color-primary);
  line-height: 1.15;
}

.hero-subtitle {
  font-size: clamp(1rem, 1.2vw, 1.125rem);
  color: var(--color-on-surface-variant);
  max-width: 620px;
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-top: var(--space-sm);
  width: 100%;
}

@media (min-width: 640px) {
  .hero-actions {
    width: auto;
  }
}

.hero-trust-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  padding-top: var(--space-lg);
  margin-top: var(--space-sm);
  border-top: 1px solid rgba(59, 75, 61, 0.3);
  font-family: var(--font-data);
  font-size: 0.75rem;
  color: var(--color-outline);
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.trust-item .icon {
  color: var(--color-primary-container);
  font-size: 1.1rem;
}

/* Telemetry Card */
.telemetry-card {
  position: relative;
  background: var(--glass-bg-low);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid rgba(0, 227, 253, 0.25);
  border-radius: var(--radius-2xl);
  padding: clamp(1.25rem, 2.5vw, var(--space-lg));
  box-shadow: var(--shadow-lg), 0 0 30px rgba(0, 0, 0, 0.6);
  overflow: hidden;
}

.telemetry-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-primary-container), var(--color-secondary-container), transparent);
}

.telemetry-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--color-surface-container-high);
}

.telemetry-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--color-primary);
  font-weight: 600;
}

.telemetry-title .icon {
  color: var(--color-secondary-container);
}

.cohort-stat-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
  margin: var(--space-md) 0;
  padding: var(--space-sm);
  background: var(--color-surface-container-lowest);
  border: 1px solid rgba(59, 75, 61, 0.3);
  border-radius: var(--radius-lg);
}

.stat-box-label {
  font-family: var(--font-data);
  font-size: 0.6875rem;
  color: var(--color-outline);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.stat-box-value {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-on-surface);
  display: flex;
  align-items: baseline;
  gap: 0.35rem;
}

.stat-box-value.accent {
  color: var(--color-primary-container);
}

.delta-tag {
  font-family: var(--font-data);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-primary-container);
  background: var(--color-primary-glow-soft);
  padding: 0.1rem 0.35rem;
  border-radius: var(--radius-sm);
}

.sparkline-wrapper {
  margin: var(--space-md) 0;
  background: var(--color-surface-container-lowest);
  border: 1px solid rgba(59, 75, 61, 0.25);
  border-radius: var(--radius-md);
  padding: 0.75rem;
}

.sparkline-label-bar {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-data);
  font-size: 0.6875rem;
  margin-bottom: 0.35rem;
}

.sparkline-label-bar .name {
  color: var(--color-on-surface-variant);
}

.sparkline-label-bar .val {
  color: var(--color-secondary-container);
  font-weight: 600;
}

.sparkline-svg {
  width: 100%;
  height: 60px;
  overflow: visible;
}

.sparkline-path {
  fill: none;
  stroke: var(--color-secondary-container);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  filter: drop-shadow(0 0 4px rgba(0, 227, 253, 0.4));
}

.sparkline-area {
  fill: url(#cyan-spark-gradient);
}

.metric-meters {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: var(--space-md);
}

.metric-meter-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.meter-header {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-data);
  font-size: 0.75rem;
}

.meter-header .meter-name {
  color: var(--color-on-surface);
}

.meter-header .meter-val {
  color: var(--color-primary-container);
  font-weight: 600;
}

.meter-track {
  width: 100%;
  height: 6px;
  background: var(--color-surface-container-high);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.meter-fill {
  height: 100%;
  border-radius: var(--radius-full);
  transition: width 1s cubic-bezier(0.16, 1, 0.3, 1);
}

.fill-gradient-primary {
  background: linear-gradient(90deg, var(--color-secondary-container), var(--color-primary-container));
  box-shadow: 0 0 10px rgba(0, 255, 135, 0.35);
}

.fill-primary {
  background: var(--color-primary-container);
  box-shadow: 0 0 10px rgba(0, 255, 135, 0.35);
}

.fill-secondary {
  background: var(--color-secondary-container);
  box-shadow: 0 0 10px rgba(0, 227, 253, 0.35);
}

.telemetry-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-data);
  font-size: 0.6875rem;
  color: var(--color-outline);
  padding-top: var(--space-xs);
}

/* ==========================================================================
   Filter & Category Lane
   ========================================================================== */
.filter-lane {
  background: rgba(10, 14, 24, 0.6);
  border-top: 1px solid rgba(59, 75, 61, 0.3);
  border-bottom: 1px solid rgba(59, 75, 61, 0.3);
  padding: var(--space-md) 0;
  backdrop-filter: blur(12px);
  position: sticky;
  top: 4.5rem;
  z-index: 40;
}

.filter-lane-inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

@media (min-width: 768px) {
  .filter-lane-inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.filter-info-title {
  font-size: 1.1rem;
  color: var(--color-primary);
  margin-bottom: 0.15rem;
}

.filter-info-sub {
  font-size: 0.8125rem;
  color: var(--color-on-surface-variant);
  margin: 0;
}

.filter-chips {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  overflow-x: auto;
  padding-bottom: 0.25rem;
  scrollbar-width: none;
}

.filter-chips::-webkit-scrollbar {
  display: none;
}

.filter-chip {
  padding: 0.4rem 0.9rem;
  border-radius: var(--radius-full);
  background: var(--color-surface-container);
  border: 1px solid var(--color-outline-variant);
  color: var(--color-on-surface-variant);
  font-family: var(--font-data);
  font-size: 0.75rem;
  font-weight: 500;
  white-space: nowrap;
  transition: all var(--transition-fast);
  cursor: pointer;
  display: inline-block;
}

.filter-chip:hover {
  background: var(--color-surface-container-high);
  color: var(--color-primary);
  border-color: rgba(0, 227, 253, 0.3);
}

.filter-chip.active {
  background: var(--color-primary-container);
  color: var(--color-on-primary-container);
  font-weight: 600;
  border-color: var(--color-primary-container);
  box-shadow: 0 0 14px rgba(0, 255, 135, 0.3);
}

/* ==========================================================================
   Bento Grid Section
   ========================================================================== */
.bento-section {
  padding: var(--space-xl) 0;
}

.bento-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

@media (min-width: 992px) {
  .bento-grid {
    grid-template-columns: repeat(12, 1fr);
  }
}

.bento-card {
  background: var(--glass-bg-low);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid rgba(132, 149, 133, 0.25);
  border-radius: var(--radius-xl);
  overflow: hidden;
  position: relative;
  transition: all var(--transition-smooth);
  display: flex;
  flex-direction: column;
}

.bento-card:hover {
  border-color: rgba(0, 227, 253, 0.45);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.5), 0 0 20px rgba(0, 227, 253, 0.1);
  transform: translateY(-2px);
}

/* Bento Hero Post (Spans 8 columns) */
.bento-hero-article {
  grid-column: 1 / -1;
  min-height: 480px;
  justify-content: flex-end;
}

@media (min-width: 992px) {
  .bento-hero-article {
    grid-column: span 8;
  }
}

.bento-hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.bento-hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s ease-out;
}

.bento-hero-article:hover .bento-hero-bg img {
  transform: scale(1.04);
}

.bento-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(15, 19, 29, 0.2) 0%,
    rgba(15, 19, 29, 0.75) 45%,
    rgba(10, 14, 24, 0.98) 100%
  );
  z-index: 1;
}

.bento-hero-content {
  position: relative;
  z-index: 2;
  padding: clamp(1.25rem, 3vw, var(--space-lg));
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.article-meta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
}

.article-reading-time {
  margin-left: auto;
  font-family: var(--font-data);
  font-size: 0.75rem;
  color: var(--color-on-surface-variant);
}

.article-title-link:hover h3 {
  color: var(--color-secondary-container);
}

.bento-tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  padding-top: var(--space-sm);
  border-top: 1px solid rgba(59, 75, 61, 0.3);
  margin-top: var(--space-xs);
}

.bento-tag {
  font-family: var(--font-data);
  font-size: 0.6875rem;
  color: var(--color-outline);
  background: var(--color-surface-container);
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
}

.read-dossier-btn {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-family: var(--font-headline);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-primary-container);
  letter-spacing: 0.06em;
  transition: transform var(--transition-fast);
}

.read-dossier-btn:hover {
  transform: translateX(4px);
  color: #fff;
}

/* Bento Sidebar Widget (Spans 4 columns) */
.bento-telemetry-widget {
  grid-column: 1 / -1;
  padding: clamp(1.25rem, 2.5vw, var(--space-lg));
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

@media (min-width: 992px) {
  .bento-telemetry-widget {
    grid-column: span 4;
  }
}

.widget-metrics-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin: var(--space-md) 0;
}

.widget-metric-card {
  background: var(--color-surface-container-lowest);
  border: 1px solid rgba(59, 75, 61, 0.3);
  border-radius: var(--radius-md);
  padding: 0.75rem;
}

.widget-metric-card .header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.25rem;
}

.widget-metric-card .label {
  font-family: var(--font-data);
  font-size: 0.6875rem;
  color: var(--color-outline);
  text-transform: uppercase;
}

.widget-metric-card .badge-mini {
  font-family: var(--font-data);
  font-size: 0.6875rem;
  font-weight: 600;
  padding: 0.1rem 0.4rem;
  border-radius: var(--radius-sm);
}

.badge-mini.green {
  background: var(--color-primary-glow-soft);
  color: var(--color-primary-container);
}

.badge-mini.cyan {
  background: rgba(0, 227, 253, 0.12);
  color: var(--color-secondary-container);
}

.widget-metric-card .value {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-primary);
  display: flex;
  align-items: baseline;
  gap: 0.35rem;
}

.widget-metric-card .unit {
  font-family: var(--font-data);
  font-size: 0.75rem;
  color: var(--color-on-surface-variant);
  font-weight: 400;
}

/* Secondary Bento Cards (Spans 4 columns each) */
.bento-card-standard {
  grid-column: 1 / -1;
  padding: var(--space-md);
  justify-content: space-between;
}

@media (min-width: 992px) {
  .bento-card-standard {
    grid-column: span 4;
  }
}

.standard-card-thumb {
  width: 100%;
  height: 180px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  margin: var(--space-sm) 0 var(--space-md) 0;
  background: var(--color-surface-container-low);
}

.standard-card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease-out;
}

.bento-card-standard:hover .standard-card-thumb img {
  transform: scale(1.06);
}

.standard-card-thumb .thumb-badge {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  background: rgba(10, 14, 24, 0.85);
  border: 1px solid rgba(0, 255, 135, 0.3);
  color: var(--color-primary-container);
  font-family: var(--font-data);
  font-size: 0.625rem;
  font-weight: 700;
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
}

.standard-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-sm);
  margin-top: var(--space-sm);
  border-top: 1px solid var(--color-surface-container-high);
}

.standard-card-footer .topic-spec {
  font-family: var(--font-data);
  font-size: 0.6875rem;
  color: var(--color-outline);
  text-transform: uppercase;
}

.standard-card-footer .action-link {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  color: var(--color-secondary-container);
  font-size: 0.8125rem;
  font-weight: 600;
}

.standard-card-footer .action-link:hover {
  color: var(--color-primary-container);
}

/* ==========================================================================
   SINGLE ARTICLE TEMPLATE (single.php)
   Dynamic Page created for each WordPress Blog Article
   ========================================================================== */
.single-article-header {
  padding-top: calc(4.5rem + var(--space-xl));
  padding-bottom: var(--space-lg);
  background: linear-gradient(180deg, rgba(15, 19, 29, 0.95) 0%, rgba(10, 14, 24, 1) 100%);
  border-bottom: 1px solid rgba(59, 75, 61, 0.35);
  position: relative;
  overflow: hidden;
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-data);
  font-size: 0.75rem;
  color: var(--color-outline);
  margin-bottom: var(--space-md);
}

.breadcrumbs a {
  color: var(--color-on-surface-variant);
}

.breadcrumbs a:hover {
  color: var(--color-primary-container);
}

.single-title {
  font-size: clamp(2rem, 4vw, 3.25rem);
  color: var(--color-primary);
  line-height: 1.15;
  margin: var(--space-sm) 0 var(--space-md) 0;
  max-width: 980px;
}

.single-meta-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.25rem;
  font-family: var(--font-data);
  font-size: 0.8125rem;
  color: var(--color-on-surface-variant);
  padding-top: var(--space-md);
  border-top: 1px solid rgba(59, 75, 61, 0.3);
}

.meta-author {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-primary);
  font-weight: 600;
}

.author-avatar-img {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-primary-container);
  object-fit: cover;
}

.single-featured-wrapper {
  margin: var(--space-lg) 0 var(--space-xl) 0;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  border: 1px solid rgba(0, 227, 253, 0.3);
  box-shadow: var(--shadow-lg), 0 0 35px rgba(0, 227, 253, 0.08);
  max-height: 520px;
  background: var(--color-surface-container-low);
}

.single-featured-wrapper img {
  width: 100%;
  height: 100%;
  max-height: 520px;
  object-fit: cover;
}

/* Post Content Typography & Components */
.article-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  padding: var(--space-xl) 0;
}

@media (min-width: 1024px) {
  .article-layout {
    grid-template-columns: 1fr 340px;
  }
}

.article-content {
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--color-on-surface);
}

.article-content p {
  margin-bottom: 1.5rem;
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--color-on-surface);
}

.article-content h2 {
  font-size: clamp(1.5rem, 2.2vw, 2rem);
  margin: 2.5rem 0 1rem 0;
  color: var(--color-primary);
  border-bottom: 1px solid rgba(59, 75, 61, 0.35);
  padding-bottom: 0.5rem;
}

.article-content h3 {
  font-size: 1.35rem;
  margin: 2rem 0 0.75rem 0;
  color: var(--color-primary-container);
}

.article-content h4 {
  font-size: 1.15rem;
  margin: 1.5rem 0 0.5rem 0;
  color: var(--color-secondary-container);
}

.article-content ul,
.article-content ol {
  margin: 1.25rem 0 1.75rem 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.article-content li {
  line-height: 1.7;
}

.article-content blockquote {
  margin: 2rem 0;
  padding: 1.25rem 1.5rem;
  background: var(--color-surface-container-low);
  border-left: 4px solid var(--color-primary-container);
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
  font-style: italic;
  color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

.article-content blockquote cite {
  display: block;
  font-style: normal;
  font-family: var(--font-data);
  font-size: 0.75rem;
  color: var(--color-outline);
  margin-top: 0.5rem;
  text-transform: uppercase;
}

.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 2rem 0;
  background: var(--color-surface-container-low);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-outline-variant);
  font-size: 0.875rem;
}

.article-content th,
.article-content td {
  padding: 0.85rem 1.2rem;
  text-align: left;
  border-bottom: 1px solid rgba(59, 75, 61, 0.3);
}

.article-content th {
  background: var(--color-surface-container);
  color: var(--color-primary);
  font-family: var(--font-data);
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
}

.article-content code {
  font-family: var(--font-data);
  background: var(--color-surface-container);
  color: var(--color-secondary-container);
  padding: 0.2rem 0.45rem;
  border-radius: var(--radius-sm);
  font-size: 0.875em;
  border: 1px solid rgba(0, 227, 253, 0.25);
}

.article-content pre {
  margin: 1.75rem 0;
  padding: 1.25rem;
  background: var(--color-surface-container-lowest);
  border: 1px solid var(--color-outline-variant);
  border-radius: var(--radius-lg);
  overflow-x: auto;
  font-family: var(--font-data);
  font-size: 0.85rem;
  color: var(--color-secondary);
}

/* Scientific Callout Box inside Articles */
.science-callout {
  margin: 2rem 0;
  padding: 1.25rem 1.5rem;
  background: rgba(0, 255, 135, 0.05);
  border: 1px solid rgba(0, 255, 135, 0.35);
  border-radius: var(--radius-xl);
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.science-callout .icon {
  color: var(--color-primary-container);
  font-size: 1.75rem;
  flex-shrink: 0;
  margin-top: 0.2rem;
}

.science-callout-text h4 {
  color: var(--color-primary);
  margin-bottom: 0.35rem;
  font-size: 1rem;
}

.science-callout-text p {
  margin-bottom: 0;
  font-size: 0.9375rem;
  color: var(--color-on-surface);
}

/* Post Taxonomy Tags */
.single-post-tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin: 2.5rem 0;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(59, 75, 61, 0.3);
}

.single-post-tags .tag-label {
  font-family: var(--font-data);
  font-size: 0.75rem;
  color: var(--color-outline);
  text-transform: uppercase;
}

.single-post-tags a {
  background: var(--color-surface-container);
  border: 1px solid var(--color-outline-variant);
  color: var(--color-on-surface-variant);
  font-family: var(--font-data);
  font-size: 0.75rem;
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.single-post-tags a:hover {
  background: var(--color-surface-container-high);
  color: var(--color-primary-container);
  border-color: var(--color-primary-container);
}

/* Author Bio Box */
.author-bio-card {
  display: flex;
  gap: var(--space-md);
  padding: var(--space-lg);
  background: var(--color-surface-container-low);
  border: 1px solid var(--color-outline-variant);
  border-radius: var(--radius-xl);
  margin: 2.5rem 0;
}

.author-bio-avatar {
  width: 72px;
  height: 72px;
  border-radius: var(--radius-full);
  border: 2px solid var(--color-primary-container);
  object-fit: cover;
  flex-shrink: 0;
}

.author-bio-content h4 {
  font-size: 1.15rem;
  color: var(--color-primary);
  margin-bottom: 0.25rem;
}

.author-bio-content .role {
  font-family: var(--font-data);
  font-size: 0.75rem;
  color: var(--color-secondary-container);
  text-transform: uppercase;
  margin-bottom: 0.5rem;
  display: block;
}

.author-bio-content p {
  font-size: 0.875rem;
  color: var(--color-on-surface-variant);
  line-height: 1.6;
}

/* Post Navigation (Anterior / Próximo) */
.post-navigation {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
  margin: 2.5rem 0;
}

@media (min-width: 640px) {
  .post-navigation {
    grid-template-columns: 1fr 1fr;
  }
}

.post-nav-card {
  padding: var(--space-md);
  background: var(--color-surface-container-low);
  border: 1px solid var(--color-outline-variant);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  transition: all var(--transition-fast);
}

.post-nav-card:hover {
  border-color: var(--color-secondary-container);
  background: var(--color-surface-container);
  transform: translateY(-2px);
}

.post-nav-direction {
  font-family: var(--font-data);
  font-size: 0.6875rem;
  color: var(--color-outline);
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.post-nav-title {
  font-family: var(--font-headline);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-primary);
  line-height: 1.35;
}

/* Single Sidebar */
.single-sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.sidebar-card {
  background: var(--color-surface-container-low);
  border: 1px solid var(--color-outline-variant);
  border-radius: var(--radius-xl);
  padding: var(--space-lg);
}

.sidebar-title {
  font-size: 1rem;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
  padding-bottom: 0.5rem;
  border-bottom: 1px solid rgba(59, 75, 61, 0.3);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.related-posts-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.related-post-item {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
}

.related-post-thumb {
  width: 70px;
  height: 70px;
  border-radius: var(--radius-md);
  overflow: hidden;
  flex-shrink: 0;
  background: var(--color-surface-container);
}

.related-post-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.related-post-content h5 {
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1.3;
  color: var(--color-on-surface);
  margin-bottom: 0.25rem;
}

.related-post-content h5:hover {
  color: var(--color-primary-container);
}

.related-post-date {
  font-family: var(--font-data);
  font-size: 0.6875rem;
  color: var(--color-outline);
}

/* ==========================================================================
   Comments Section (comments.php)
   ========================================================================== */
.comments-area {
  margin-top: 3.5rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(59, 75, 61, 0.4);
}

.comments-title {
  font-size: 1.5rem;
  color: var(--color-primary);
  margin-bottom: 1.5rem;
}

.comment-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.comment-body {
  background: var(--color-surface-container-low);
  border: 1px solid var(--color-outline-variant);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
}

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

.comment-author-avatar {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
}

.comment-author-name {
  font-weight: 600;
  color: var(--color-primary);
  font-size: 0.9375rem;
}

.comment-date {
  font-family: var(--font-data);
  font-size: 0.75rem;
  color: var(--color-outline);
}

.comment-content {
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--color-on-surface);
}

/* Comment Form */
.comment-respond {
  background: var(--color-surface-container-low);
  border: 1px solid var(--color-outline-variant);
  border-radius: var(--radius-xl);
  padding: var(--space-lg);
  margin-top: 2rem;
}

.comment-reply-title {
  font-size: 1.25rem;
  color: var(--color-primary);
  margin-bottom: 1rem;
}

.comment-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.comment-form textarea,
.comment-form input[type="text"],
.comment-form input[type="email"] {
  width: 100%;
  background: var(--color-surface-container-lowest);
  border: 1px solid var(--color-outline-variant);
  border-radius: var(--radius-md);
  color: var(--color-on-surface);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  padding: 0.75rem 1rem;
  transition: all var(--transition-fast);
}

.comment-form textarea:focus,
.comment-form input[type="text"]:focus,
.comment-form input[type="email"]:focus {
  outline: none;
  border-color: var(--color-secondary-container);
  box-shadow: 0 0 0 2px rgba(0, 227, 253, 0.2);
}

.comment-form input[type="submit"] {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  background: var(--color-primary-container);
  color: var(--color-on-primary-container);
  font-family: var(--font-headline);
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  align-self: flex-start;
}

.comment-form input[type="submit"]:hover {
  background: #33ff9f;
  box-shadow: 0 0 20px rgba(0, 255, 135, 0.4);
}

/* ==========================================================================
   Spotlight Section (Nootropics / Neuroperformance)
   ========================================================================== */
.spotlight-section {
  padding: var(--space-md) 0 var(--space-xl) 0;
}

.spotlight-card {
  background: var(--color-surface-container-low);
  border: 1px solid rgba(59, 75, 61, 0.3);
  border-radius: var(--radius-xl);
  padding: clamp(1.25rem, 3vw, var(--space-lg));
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

@media (min-width: 768px) {
  .spotlight-card {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.spotlight-main {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
}

.spotlight-icon-box {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-lg);
  background: var(--color-surface-container);
  border: 1px solid rgba(0, 227, 253, 0.4);
  color: var(--color-secondary-container);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* ==========================================================================
   Newsletter Section ("The Longevity Dispatch")
   ========================================================================== */
.newsletter-section {
  padding: var(--space-xl) 0;
}

.newsletter-card {
  position: relative;
  background: rgba(23, 27, 38, 0.85);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid rgba(0, 227, 253, 0.35);
  border-radius: var(--radius-2xl);
  padding: clamp(1.5rem, 4vw, var(--space-xl));
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.newsletter-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-primary-container), var(--color-secondary-container), transparent);
}

.newsletter-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  align-items: center;
  position: relative;
  z-index: 1;
}

@media (min-width: 992px) {
  .newsletter-grid {
    grid-template-columns: 1.25fr 1fr;
  }
}

.bullet-points {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  margin-top: var(--space-md);
}

.bullet-point {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-data);
  font-size: 0.75rem;
  color: var(--color-primary);
}

.bullet-point .icon {
  color: var(--color-primary-container);
  font-size: 1rem;
}

.newsletter-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.input-group {
  position: relative;
}

.input-group .icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-outline);
  pointer-events: none;
}

.input-field {
  width: 100%;
  background: var(--color-surface-container-lowest);
  border: 1px solid var(--color-outline-variant);
  border-radius: var(--radius-md);
  color: var(--color-on-surface);
  font-size: 0.9375rem;
  padding: 0.85rem 1rem 0.85rem 2.75rem;
  font-family: var(--font-body);
  transition: all var(--transition-fast);
}

.input-field:focus {
  outline: none;
  border-color: var(--color-secondary-container);
  box-shadow: 0 0 0 2px rgba(0, 227, 253, 0.25);
}

.form-legal-note {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  font-family: var(--font-data);
  font-size: 0.6875rem;
  color: var(--color-outline);
  text-align: center;
}

.newsletter-success-box {
  display: none;
  background: var(--color-surface-container-high);
  border: 1px solid rgba(0, 255, 135, 0.4);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  text-align: center;
  animation: fadeIn 0.3s ease-out;
}

.newsletter-success-box.visible {
  display: block;
}

/* ==========================================================================
   Epigenetic Age Calculator Modal (Native HTML5 <dialog>)
   ========================================================================== */
dialog.calc-dialog {
  border: none;
  padding: 0;
  background: transparent;
  max-width: 560px;
  width: calc(100% - 2rem);
  margin: auto;
  border-radius: var(--radius-2xl);
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.85);
  overflow: visible;
  color: var(--color-on-surface);
}

dialog.calc-dialog::backdrop {
  background: rgba(10, 14, 24, 0.8);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  animation: backdropFade 0.25s ease-out forwards;
}

@keyframes backdropFade {
  from { opacity: 0; }
  to { opacity: 1; }
}

.modal-card {
  background: var(--color-surface-container);
  border: 1px solid rgba(0, 227, 253, 0.4);
  border-radius: var(--radius-2xl);
  padding: clamp(1.25rem, 3vw, var(--space-lg));
  position: relative;
  overflow: hidden;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--color-surface-container-high);
}

.modal-title-box {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.modal-title-box .icon {
  color: var(--color-secondary-container);
}

.modal-close-btn {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background: var(--color-surface-container-high);
  color: var(--color-outline);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.modal-close-btn:hover {
  color: var(--color-primary);
  background: var(--color-surface-bright);
}

.calc-form-body {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  margin: var(--space-md) 0;
}

.form-field-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.form-label {
  font-family: var(--font-data);
  font-size: 0.6875rem;
  color: var(--color-on-surface-variant);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.form-input, .form-select {
  width: 100%;
  background: var(--color-surface-container-lowest);
  border: 1px solid var(--color-outline-variant);
  border-radius: var(--radius-sm);
  color: var(--color-on-surface);
  font-family: var(--font-body);
  font-size: 0.875rem;
  padding: 0.6rem 0.85rem;
  transition: all var(--transition-fast);
}

.form-input:focus, .form-select:focus {
  outline: none;
  border-color: var(--color-secondary-container);
  box-shadow: 0 0 0 2px rgba(0, 227, 253, 0.2);
}

.grid-2col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
}

.calc-result-box {
  background: var(--color-surface-container-lowest);
  border: 1px solid rgba(0, 255, 135, 0.35);
  border-radius: var(--radius-lg);
  padding: 1rem;
  text-align: center;
  margin-top: 0.5rem;
}

.calc-result-label {
  font-family: var(--font-data);
  font-size: 0.6875rem;
  color: var(--color-outline);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.calc-result-val {
  font-family: var(--font-display);
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--color-primary-container);
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 0.25rem;
}

.calc-result-delta {
  font-family: var(--font-data);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-primary-container);
}

.calc-assessment-text {
  font-size: 0.8125rem;
  color: var(--color-on-surface-variant);
  margin-top: 0.35rem;
}

/* ==========================================================================
   Protocol Reader Modal (Quick Dossier View)
   ========================================================================== */
dialog.dossier-dialog {
  border: none;
  padding: 0;
  background: transparent;
  max-width: 720px;
  width: calc(100% - 2rem);
  margin: auto;
  border-radius: var(--radius-2xl);
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.85);
  color: var(--color-on-surface);
}

dialog.dossier-dialog::backdrop {
  background: rgba(10, 14, 24, 0.85);
  backdrop-filter: blur(18px);
}

.dossier-modal-card {
  background: var(--color-surface-container);
  border: 1px solid rgba(0, 255, 135, 0.4);
  border-radius: var(--radius-2xl);
  padding: clamp(1.25rem, 3vw, var(--space-lg));
  max-height: 85vh;
  overflow-y: auto;
}

/* ==========================================================================
   Footer Section
   ========================================================================== */
.site-footer {
  background: var(--color-surface-container-lowest);
  border-top: 1px solid rgba(59, 75, 61, 0.4);
  padding: var(--space-xl) 0 var(--space-lg) 0;
}

.disclaimer-card {
  background: rgba(23, 27, 38, 0.6);
  border: 1px solid var(--color-outline-variant);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  margin-bottom: var(--space-xl);
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
}

.disclaimer-icon-box {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: rgba(147, 0, 10, 0.2);
  border: 1px solid rgba(255, 180, 171, 0.3);
  color: var(--color-error);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.disclaimer-text h4 {
  font-size: 0.8125rem;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.25rem;
}

.disclaimer-text p {
  font-size: 0.8125rem;
  color: var(--color-on-surface-variant);
  margin: 0;
  line-height: 1.5;
}

.footer-nav-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
  padding-bottom: var(--space-xl);
}

@media (min-width: 640px) {
  .footer-nav-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1024px) {
  .footer-nav-grid {
    grid-template-columns: repeat(5, 1fr);
  }
}

.footer-col-title {
  font-family: var(--font-data);
  font-size: 0.6875rem;
  color: var(--color-secondary-fixed-dim);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-sm);
  display: block;
}

.footer-col-links {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-col-links a {
  font-size: 0.8125rem;
  color: var(--color-on-surface-variant);
}

.footer-col-links a:hover {
  color: var(--color-primary-container);
}

.social-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: var(--space-sm);
}

.social-pill {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: var(--color-surface-container);
  border: 1px solid var(--color-outline-variant);
  color: var(--color-on-surface);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.social-pill:hover {
  background: var(--color-surface-container-high);
  border-color: var(--color-primary-container);
  color: var(--color-primary-container);
}

.footer-bottom-bar {
  padding-top: var(--space-md);
  border-top: 1px solid rgba(59, 75, 61, 0.3);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-data);
  font-size: 0.75rem;
  color: var(--color-outline);
}

@media (min-width: 768px) {
  .footer-bottom-bar {
    flex-direction: row;
  }
}

/* Pagination */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
  margin: 3rem 0;
}

.pagination .page-numbers {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 0.75rem;
  border-radius: var(--radius-md);
  background: var(--color-surface-container-low);
  border: 1px solid var(--color-outline-variant);
  color: var(--color-on-surface);
  font-family: var(--font-data);
  font-size: 0.875rem;
  font-weight: 600;
  transition: all var(--transition-fast);
}

.pagination .page-numbers:hover,
.pagination .page-numbers.current {
  background: var(--color-primary-container);
  color: var(--color-on-primary-container);
  border-color: var(--color-primary-container);
  box-shadow: 0 0 16px rgba(0, 255, 135, 0.3);
}

/* Material Symbols Adjustments */
.material-symbols-outlined {
  font-size: 1.25rem;
  vertical-align: middle;
}