/*
Theme Name: Nexus Directory
Theme URI: https://nexusdirectory.com
Author: Nexus Directory
Author URI: https://nexusdirectory.com
Description: A professional business listing directory theme built for the data center construction and services industry. Features custom listings, A-Z browsing, advanced filtering, and a bold industrial-tech aesthetic.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.5
Requires PHP: 8.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: nexus-directory
Tags: directory, business-listing, data-center, dark, custom-post-type, widgetized
*/

/* ================================================================
   IMPORTS
================================================================ */
@import url('https://fonts.googleapis.com/css2?family=Rajdhani:wght@400;500;600;700&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;1,9..40,300&family=JetBrains+Mono:wght@400;500&display=swap');

/* ================================================================
   CSS CUSTOM PROPERTIES
================================================================ */
:root {
  /* Backgrounds */
  --bg-base:        #070C14;
  --bg-surface:     #0D1422;
  --bg-card:        #111827;
  --bg-card-hover:  #15203A;
  --bg-elevated:    #1A2540;
  --bg-overlay:     rgba(7,12,20,0.85);

  /* Borders */
  --border-subtle:  #1A2540;
  --border-mid:     #1E3050;
  --border-strong:  #2A4070;

  /* Brand / Accent */
  --accent:         #0EA5E9;
  --accent-hover:   #38BDF8;
  --accent-dim:     rgba(14,165,233,0.12);
  --accent-glow:    rgba(14,165,233,0.25);
  --orange:         #F59E0B;
  --orange-dim:     rgba(245,158,11,0.15);
  --green:          #10B981;
  --green-dim:      rgba(16,185,129,0.15);
  --red:            #EF4444;
  --purple:         #8B5CF6;
  --purple-dim:     rgba(139,92,246,0.15);

  /* Text */
  --text-primary:   #E2E8F0;
  --text-secondary: #94A3B8;
  --text-muted:     #4B6380;
  --text-accent:    #0EA5E9;
  --text-inverse:   #070C14;

  /* Typography */
  --font-display:   'Rajdhani', sans-serif;
  --font-body:      'DM Sans', sans-serif;
  --font-mono:      'JetBrains Mono', monospace;

  /* Sizing */
  --radius-sm:      4px;
  --radius-md:      8px;
  --radius-lg:      12px;
  --radius-xl:      18px;

  /* Shadows */
  --shadow-sm:      0 1px 3px rgba(0,0,0,0.4);
  --shadow-md:      0 4px 16px rgba(0,0,0,0.5);
  --shadow-lg:      0 8px 32px rgba(0,0,0,0.6);
  --shadow-accent:  0 0 24px rgba(14,165,233,0.2);

  /* Transitions */
  --ease:           cubic-bezier(0.22, 1, 0.36, 1);
  --transition:     0.22s var(--ease);

  /* Layout */
  --container:      1280px;
  --sidebar-w:      300px;
  --header-h:       70px;
}

/* ================================================================
   RESET & BASE
================================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-base);
  color: var(--text-primary);
  line-height: 1.65;
  min-height: 100vh;
  overflow-x: hidden;
}

body::before {
  content: '';
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background-image:
    radial-gradient(ellipse 80% 40% at 20% 0%, rgba(14,165,233,0.06) 0%, transparent 60%),
    radial-gradient(ellipse 60% 30% at 80% 100%, rgba(139,92,246,0.04) 0%, transparent 60%);
  pointer-events: none;
  z-index: 0;
}

body > * { position: relative; z-index: 1; }

a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent-hover); }

img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }
button { cursor: pointer; font-family: var(--font-body); }
input, textarea, select { font-family: var(--font-body); }

/* ================================================================
   TYPOGRAPHY
================================================================ */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.2;
  color: var(--text-primary);
  letter-spacing: 0.02em;
}

h1 { font-size: clamp(2rem, 4vw, 3.5rem); font-weight: 700; }
h2 { font-size: clamp(1.6rem, 3vw, 2.5rem); }
h3 { font-size: clamp(1.3rem, 2vw, 1.9rem); }
h4 { font-size: 1.4rem; }
h5 { font-size: 1.2rem; }
h6 { font-size: 1rem; }

p { margin-bottom: 1.2rem; color: var(--text-secondary); }
p:last-child { margin-bottom: 0; }

strong { color: var(--text-primary); font-weight: 600; }
em { font-style: italic; }
small { font-size: 0.85rem; }

.mono { font-family: var(--font-mono); font-size: 0.9em; }

/* ================================================================
   LAYOUT
================================================================ */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.container--narrow { max-width: 900px; }
.container--wide { max-width: 1440px; }

.site-wrapper { display: flex; flex-direction: column; min-height: 100vh; }
.site-content { flex: 1; padding: 48px 0 80px; }

.content-area { flex: 1; min-width: 0; }

.with-sidebar {
  display: grid;
  grid-template-columns: 1fr var(--sidebar-w);
  gap: 40px;
  align-items: start;
}

@media (max-width: 1024px) {
  .with-sidebar { grid-template-columns: 1fr; }
  .widget-area { display: none; }
}

/* ================================================================
   HEADER
================================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--header-h);
  background: rgba(7,12,20,0.92);
  backdrop-filter: blur(20px) saturate(1.4);
  border-bottom: 1px solid var(--border-subtle);
  box-shadow: 0 1px 0 rgba(14,165,233,0.08);
}

.site-header .container {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

/* Logo */
.site-branding {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.site-branding .logo-icon {
  width: 36px; height: 36px;
  background: linear-gradient(135deg, var(--accent), var(--purple));
  border-radius: var(--radius-sm);
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 13px;
  color: #fff;
  font-weight: 500;
  letter-spacing: -1px;
}

.site-title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--text-primary);
  text-transform: uppercase;
}

.site-title a { color: inherit; }
.site-title a:hover { color: var(--accent); }

.site-tagline {
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  font-family: var(--font-mono);
  display: none;
}

/* Navigation */
.main-nav { display: flex; align-items: center; gap: 4px; }

.main-nav a {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.95rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-secondary);
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}

.main-nav a:hover,
.main-nav .current-menu-item > a,
.main-nav .current_page_item > a {
  color: var(--text-primary);
  background: var(--accent-dim);
}

/* Dropdown */
.main-nav ul { display: flex; align-items: center; gap: 2px; }
.main-nav li { position: relative; }
.main-nav li ul {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  background: var(--bg-elevated);
  border: 1px solid var(--border-mid);
  border-radius: var(--radius-md);
  padding: 6px;
  min-width: 200px;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-8px);
  transition: all var(--transition);
  box-shadow: var(--shadow-lg);
  z-index: 100;
}

.main-nav li:hover > ul,
.main-nav li:focus-within > ul {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.main-nav li ul li { width: 100%; }
.main-nav li ul li a {
  display: block;
  width: 100%;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
}

/* Header actions */
.header-actions { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }

.header-search-toggle {
  width: 38px; height: 38px;
  display: grid;
  place-items: center;
  background: var(--bg-elevated);
  border: 1px solid var(--border-mid);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  transition: all var(--transition);
}
.header-search-toggle:hover { color: var(--accent); border-color: var(--accent); }

.btn-submit-listing {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 8px 18px;
  background: linear-gradient(135deg, var(--accent), #0369A1);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  box-shadow: 0 0 16px rgba(14,165,233,0.3);
}

.btn-submit-listing:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(14,165,233,0.4);
  color: #fff;
}

/* Mobile menu toggle */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  background: none;
  border: none;
  cursor: pointer;
}

.mobile-menu-toggle span {
  display: block;
  width: 22px; height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition);
}

/* ================================================================
   SEARCH OVERLAY
================================================================ */
.search-overlay {
  position: fixed;
  inset: 0;
  background: var(--bg-overlay);
  backdrop-filter: blur(12px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}

.search-overlay.is-open { opacity: 1; pointer-events: auto; }

.search-overlay-inner {
  width: 100%;
  max-width: 680px;
  padding: 0 24px;
}

.search-overlay-form {
  display: flex;
  align-items: center;
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-accent), var(--shadow-lg);
}

.search-overlay-input {
  flex: 1;
  padding: 18px 22px;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-size: 1.2rem;
  font-family: var(--font-body);
  outline: none;
}

.search-overlay-input::placeholder { color: var(--text-muted); }

.search-overlay-submit {
  padding: 18px 22px;
  background: var(--accent);
  border: none;
  color: #fff;
  font-size: 1rem;
  transition: background var(--transition);
}

.search-overlay-submit:hover { background: var(--accent-hover); }

.search-overlay-close {
  position: absolute;
  top: 24px; right: 24px;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.4rem;
  padding: 8px;
  transition: color var(--transition);
}
.search-overlay-close:hover { color: var(--text-primary); }

/* ================================================================
   HERO / PAGE HEADER
================================================================ */
.page-hero {
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-subtle);
  padding: 60px 0 52px;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background:
    linear-gradient(135deg, rgba(14,165,233,0.05) 0%, transparent 50%),
    repeating-linear-gradient(
      -45deg,
      transparent,
      transparent 40px,
      rgba(14,165,233,0.015) 40px,
      rgba(14,165,233,0.015) 41px
    );
}

.page-hero .container { position: relative; }

.page-hero__eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.page-hero__eyebrow::before {
  content: '';
  width: 24px; height: 2px;
  background: var(--accent);
}

.page-hero__title {
  font-size: clamp(2rem, 5vw, 3.8rem);
  font-weight: 700;
  letter-spacing: 0.03em;
  margin-bottom: 14px;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.page-hero__desc {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 560px;
  line-height: 1.7;
  margin-bottom: 0;
}

.page-hero__meta {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-top: 20px;
  flex-wrap: wrap;
}

.page-hero__stat {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.page-hero__stat strong {
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 1.1rem;
}

/* ================================================================
   BREADCRUMB
================================================================ */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  font-size: 0.8rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  margin-bottom: 32px;
}

.breadcrumb a { color: var(--text-muted); transition: color var(--transition); }
.breadcrumb a:hover { color: var(--accent); }

.breadcrumb__sep { color: var(--border-strong); }
.breadcrumb__current { color: var(--text-secondary); }

/* ================================================================
   DIRECTORY FILTER BAR
================================================================ */
.directory-filters {
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-subtle);
  padding: 20px 0;
  position: sticky;
  top: var(--header-h);
  z-index: 100;
}

.directory-filters__inner {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.directory-filters__search {
  flex: 1;
  min-width: 220px;
  position: relative;
}

.directory-filters__search input {
  width: 100%;
  padding: 10px 16px 10px 40px;
  background: var(--bg-card);
  border: 1px solid var(--border-mid);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.9rem;
  transition: all var(--transition);
  outline: none;
}

.directory-filters__search input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

.directory-filters__search::before {
  content: '⌕';
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 1.1rem;
  pointer-events: none;
}

.filter-select {
  padding: 10px 14px;
  background: var(--bg-card);
  border: 1px solid var(--border-mid);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-family: var(--font-body);
  cursor: pointer;
  transition: all var(--transition);
  outline: none;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2364748B' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 34px;
}

.filter-select:hover, .filter-select:focus {
  border-color: var(--accent);
  color: var(--text-primary);
}

.filter-select option {
  background: var(--bg-elevated);
  color: var(--text-primary);
}

/* ================================================================
   A-Z ALPHABET FILTER
================================================================ */
.alphabet-filter {
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-subtle);
  padding: 14px 0;
}

.alphabet-filter__inner {
  display: flex;
  align-items: center;
  gap: 3px;
  flex-wrap: wrap;
}

.alphabet-filter__label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-right: 8px;
}

.alphabet-filter__link {
  width: 32px; height: 32px;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  text-transform: uppercase;
  border: 1px solid transparent;
}

.alphabet-filter__link:hover {
  color: var(--accent);
  background: var(--accent-dim);
  border-color: var(--border-mid);
}

.alphabet-filter__link.is-active {
  color: var(--bg-base);
  background: var(--accent);
  border-color: var(--accent);
}

.alphabet-filter__link.is-disabled {
  opacity: 0.3;
  pointer-events: none;
}

/* ================================================================
   LISTING CARDS
================================================================ */
.listings-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 20px;
}

.listing-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  position: relative;
}

.listing-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg), 0 0 0 1px var(--accent-glow);
}

.listing-card--featured {
  border-color: rgba(245,158,11,0.35);
  box-shadow: 0 0 0 1px rgba(245,158,11,0.15);
}

.listing-card--featured::before {
  content: '★ FEATURED';
  position: absolute;
  top: 0; right: 0;
  background: var(--orange);
  color: var(--bg-base);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  padding: 4px 10px;
  border-bottom-left-radius: var(--radius-sm);
}

.listing-card__header {
  padding: 20px 20px 16px;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  border-bottom: 1px solid var(--border-subtle);
}

.listing-card__logo {
  width: 56px; height: 56px;
  flex-shrink: 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--bg-elevated);
  border: 1px solid var(--border-mid);
  display: grid;
  place-items: center;
}

.listing-card__logo img { width: 100%; height: 100%; object-fit: cover; }

.listing-card__logo-placeholder {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.3rem;
  color: var(--accent);
  letter-spacing: -1px;
}

.listing-card__title-group { flex: 1; min-width: 0; }

.listing-card__name {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: 0.02em;
  margin-bottom: 3px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.listing-card__location {
  font-size: 0.8rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 4px;
}

.listing-card__location svg { flex-shrink: 0; }

.listing-card__body {
  padding: 16px 20px;
  flex: 1;
}

.listing-card__excerpt {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 14px;
}

.listing-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.listing-card__footer {
  padding: 12px 20px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.listing-card__contact {
  display: flex;
  gap: 8px;
}

.listing-card__contact a {
  width: 30px; height: 30px;
  display: grid;
  place-items: center;
  background: var(--bg-elevated);
  border: 1px solid var(--border-mid);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-size: 0.75rem;
  transition: all var(--transition);
}

.listing-card__contact a:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--accent-dim);
}

.listing-card__view {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  transition: all var(--transition);
}

.listing-card__view:hover {
  color: var(--accent-hover);
  gap: 6px;
}

/* ================================================================
   TAGS / BADGES
================================================================ */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 9px;
  border-radius: 3px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: all var(--transition);
}

.tag--category {
  background: var(--accent-dim);
  color: var(--accent);
  border: 1px solid rgba(14,165,233,0.2);
}

.tag--category:hover {
  background: rgba(14,165,233,0.2);
  color: var(--accent-hover);
}

.tag--location {
  background: var(--purple-dim);
  color: var(--purple);
  border: 1px solid rgba(139,92,246,0.2);
}

.tag--region {
  background: var(--green-dim);
  color: var(--green);
  border: 1px solid rgba(16,185,129,0.2);
}

.tag--letter {
  background: var(--orange-dim);
  color: var(--orange);
  border: 1px solid rgba(245,158,11,0.2);
}

.tag--neutral {
  background: var(--bg-elevated);
  color: var(--text-secondary);
  border: 1px solid var(--border-mid);
}

/* ================================================================
   SINGLE LISTING
================================================================ */
.listing-single {
  padding: 0;
}

.listing-header {
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-subtle);
  padding: 40px 0;
  position: relative;
  overflow: hidden;
}

.listing-header::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: linear-gradient(135deg, rgba(14,165,233,0.04) 0%, transparent 60%);
  pointer-events: none;
}

.listing-header .container { position: relative; }

.listing-header__inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 28px;
  align-items: start;
}

.listing-logo {
  width: 96px; height: 96px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-elevated);
  border: 2px solid var(--border-mid);
  display: grid;
  place-items: center;
  flex-shrink: 0;
}

.listing-logo img { width: 100%; height: 100%; object-fit: cover; }

.listing-logo-placeholder {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 2.2rem;
  color: var(--accent);
  letter-spacing: -2px;
}

.listing-header__info { flex: 1; }

.listing-header__name {
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: 0.03em;
  margin-bottom: 6px;
}

.listing-header__tagline {
  font-size: 1.05rem;
  color: var(--text-secondary);
  margin-bottom: 14px;
}

.listing-header__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.listing-header__actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: flex-end;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  border: none;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), #0369A1);
  color: #fff;
  box-shadow: 0 0 16px rgba(14,165,233,0.25);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(14,165,233,0.4);
  color: #fff;
}

.btn-secondary {
  background: var(--bg-elevated);
  color: var(--text-secondary);
  border: 1px solid var(--border-mid);
}

.btn-secondary:hover {
  color: var(--text-primary);
  border-color: var(--border-strong);
  background: var(--bg-card-hover);
}

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

.btn-ghost:hover { color: var(--text-secondary); border-color: var(--border-mid); }

/* Listing content body */
.listing-body {
  padding: 48px 0;
}

.listing-body .container {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 40px;
  align-items: start;
}

@media (max-width: 900px) {
  .listing-body .container { grid-template-columns: 1fr; }
}

/* Sections */
.listing-section {
  margin-bottom: 36px;
}

.listing-section__title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.listing-section__title::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border-subtle);
}

.listing-content {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.75;
}

.listing-content p { margin-bottom: 1rem; }

/* Services list */
.services-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 10px;
}

.service-item {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.service-item::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

/* Contact card (sidebar) */
.listing-contact-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: sticky;
  top: calc(var(--header-h) + 20px);
}

.listing-contact-card__header {
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border-subtle);
  padding: 16px 20px;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.listing-contact-card__body { padding: 20px; }

.contact-field {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
  align-items: flex-start;
}

.contact-field:last-child { margin-bottom: 0; }

.contact-field__icon {
  width: 34px; height: 34px;
  flex-shrink: 0;
  background: var(--bg-elevated);
  border: 1px solid var(--border-mid);
  border-radius: var(--radius-sm);
  display: grid;
  place-items: center;
  color: var(--accent);
  font-size: 0.85rem;
}

.contact-field__content { flex: 1; min-width: 0; }

.contact-field__label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 2px;
}

.contact-field__value {
  font-size: 0.9rem;
  color: var(--text-secondary);
  word-break: break-all;
}

.contact-field__value a { color: var(--accent); }
.contact-field__value a:hover { color: var(--accent-hover); }

.listing-contact-card__actions {
  padding: 0 20px 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.listing-contact-card__actions .btn { justify-content: center; text-align: center; }

/* Stats grid */
.listing-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--border-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: 20px;
}

.listing-stat {
  background: var(--bg-elevated);
  padding: 14px 16px;
  text-align: center;
}

.listing-stat__value {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--accent);
  margin-bottom: 2px;
}

.listing-stat__label {
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* Certifications */
.certifications-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.certification-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  background: var(--bg-elevated);
  border: 1px solid var(--green);
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  color: var(--green);
  font-weight: 500;
}

.certification-badge::before {
  content: '✓';
  font-size: 0.7rem;
}

/* ================================================================
   TAXONOMY ARCHIVE HEADER
================================================================ */
.taxonomy-hero {
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-subtle);
  padding: 48px 0 40px;
  position: relative;
  overflow: hidden;
}

.taxonomy-hero__icon {
  width: 52px; height: 52px;
  background: linear-gradient(135deg, var(--accent), var(--purple));
  border-radius: var(--radius-md);
  display: grid;
  place-items: center;
  margin-bottom: 16px;
  font-size: 1.4rem;
  box-shadow: 0 0 24px rgba(14,165,233,0.3);
}

.taxonomy-hero__count {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 10px;
}

/* Child terms list */
.child-terms {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 32px;
}

/* ================================================================
   SIDEBAR / WIDGETS
================================================================ */
.widget-area { }

.widget {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 20px;
}

.widget__title {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-subtle);
  background: var(--bg-surface);
}

.widget__body { padding: 16px 18px; }

/* Category widget */
.category-list li {
  border-bottom: 1px solid var(--border-subtle);
}

.category-list li:last-child { border-bottom: none; }

.category-list a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 9px 0;
  color: var(--text-secondary);
  font-size: 0.9rem;
  transition: color var(--transition);
}

.category-list a:hover { color: var(--accent); }

.category-list .count {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  background: var(--bg-elevated);
  padding: 2px 7px;
  border-radius: 3px;
}

/* Recent listings widget */
.recent-listing-item {
  display: flex;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border-subtle);
}

.recent-listing-item:last-child { border-bottom: none; }

.recent-listing-thumb {
  width: 40px; height: 40px;
  flex-shrink: 0;
  border-radius: var(--radius-sm);
  background: var(--bg-elevated);
  border: 1px solid var(--border-mid);
  overflow: hidden;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent);
}

.recent-listing-info__name {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-primary);
  line-height: 1.3;
  margin-bottom: 3px;
}

.recent-listing-info__meta { font-size: 0.75rem; color: var(--text-muted); }

/* ================================================================
   PAGINATION
================================================================ */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin-top: 48px;
}

.pagination a,
.pagination span {
  width: 38px; height: 38px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  transition: all var(--transition);
}

.pagination a {
  background: var(--bg-card);
  border: 1px solid var(--border-mid);
  color: var(--text-secondary);
}

.pagination a:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-dim);
}

.pagination .current {
  background: var(--accent);
  color: var(--bg-base);
  border: 1px solid var(--accent);
  font-weight: 600;
}

.pagination .dots {
  background: transparent;
  border: none;
  color: var(--text-muted);
}

/* ================================================================
   SEARCH RESULTS
================================================================ */
.search-hero {
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-subtle);
  padding: 40px 0;
}

.search-hero__query {
  font-family: var(--font-mono);
  font-size: 1.4rem;
  color: var(--accent);
}

.search-count {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 8px;
}

.search-form {
  display: flex;
  max-width: 600px;
  margin-top: 24px;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-mid);
}

.search-form input {
  flex: 1;
  padding: 12px 18px;
  background: var(--bg-card);
  border: none;
  color: var(--text-primary);
  font-size: 1rem;
  font-family: var(--font-body);
  outline: none;
}

.search-form button {
  padding: 12px 20px;
  background: var(--accent);
  border: none;
  color: #fff;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: background var(--transition);
}

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

/* ================================================================
   POSTS / BLOG
================================================================ */
.post-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
  margin-bottom: 28px;
}

.post-card:hover {
  border-color: var(--border-mid);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.post-card__image {
  aspect-ratio: 16/7;
  overflow: hidden;
  background: var(--bg-elevated);
}

.post-card__image img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--transition); }
.post-card:hover .post-card__image img { transform: scale(1.03); }

.post-card__body { padding: 24px; }

.post-card__category {
  margin-bottom: 10px;
}

.post-card__title {
  font-size: 1.5rem;
  margin-bottom: 12px;
}

.post-card__title a { color: var(--text-primary); transition: color var(--transition); }
.post-card__title a:hover { color: var(--accent); }

.post-card__excerpt { color: var(--text-secondary); font-size: 0.95rem; line-height: 1.7; }

.post-card__footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.post-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* Single post */
.single-post { max-width: 760px; }

.entry-header { margin-bottom: 32px; }

.entry-content {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text-secondary);
}

.entry-content h2, .entry-content h3 { margin: 2rem 0 0.8rem; color: var(--text-primary); }
.entry-content p { margin-bottom: 1.2rem; }
.entry-content ul, .entry-content ol { padding-left: 1.5rem; margin-bottom: 1.2rem; }
.entry-content li { margin-bottom: 0.4rem; }
.entry-content blockquote {
  border-left: 3px solid var(--accent);
  padding: 12px 20px;
  background: var(--bg-elevated);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 1.5rem 0;
}
.entry-content a { color: var(--accent); }
.entry-content a:hover { color: var(--accent-hover); }
.entry-content code {
  font-family: var(--font-mono);
  background: var(--bg-elevated);
  padding: 2px 7px;
  border-radius: 3px;
  font-size: 0.88em;
  color: var(--orange);
}
.entry-content pre {
  background: var(--bg-surface);
  border: 1px solid var(--border-mid);
  border-radius: var(--radius-md);
  padding: 20px;
  overflow-x: auto;
  margin: 1.5rem 0;
}
.entry-content pre code { background: none; padding: 0; color: var(--text-secondary); }
.entry-content img { border-radius: var(--radius-md); margin: 1.5rem 0; }

/* ================================================================
   404 PAGE
================================================================ */
.error-404 {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  min-height: 60vh;
  padding: 80px 24px;
}

.error-404__code {
  font-family: var(--font-mono);
  font-size: clamp(5rem, 15vw, 10rem);
  font-weight: 500;
  color: var(--border-strong);
  line-height: 1;
  margin-bottom: 20px;
  position: relative;
}

.error-404__code span {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  font-size: 0.12em;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  white-space: nowrap;
  font-family: var(--font-display);
}

.error-404__title { margin-bottom: 14px; }
.error-404__desc { color: var(--text-secondary); margin-bottom: 32px; max-width: 440px; }

/* ================================================================
   FORMS (Submit Listing / Contact)
================================================================ */
.form-group { margin-bottom: 22px; }

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 7px;
  font-family: var(--font-display);
  letter-spacing: 0.04em;
}

.form-label .required { color: var(--red); margin-left: 3px; }

.form-control {
  width: 100%;
  padding: 11px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-mid);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.95rem;
  font-family: var(--font-body);
  transition: all var(--transition);
  outline: none;
}

.form-control:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

.form-control::placeholder { color: var(--text-muted); }

textarea.form-control { resize: vertical; min-height: 120px; }

.form-hint {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 5px;
}

/* ================================================================
   FOOTER
================================================================ */
.site-footer {
  background: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
  padding: 64px 0 0;
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--border-subtle);
}

.footer-brand__desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin: 16px 0 20px;
}

.footer-social {
  display: flex;
  gap: 8px;
}

.footer-social a {
  width: 34px; height: 34px;
  display: grid;
  place-items: center;
  background: var(--bg-elevated);
  border: 1px solid var(--border-mid);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-size: 0.85rem;
  transition: all var(--transition);
}

.footer-social a:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--accent-dim);
}

.footer-col__title {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 18px;
}

.footer-links { list-style: none; }
.footer-links li { margin-bottom: 9px; }
.footer-links a {
  font-size: 0.88rem;
  color: var(--text-muted);
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--accent); }

.footer-bottom {
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-bottom__copy {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.footer-bottom__links {
  display: flex;
  gap: 20px;
}

.footer-bottom__links a {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.footer-bottom__links a:hover { color: var(--accent); }

/* ================================================================
   UTILITIES
================================================================ */
.text-accent { color: var(--accent); }
.text-muted { color: var(--text-muted); }
.text-secondary { color: var(--text-secondary); }
.font-mono { font-family: var(--font-mono); }
.font-display { font-family: var(--font-display); }
.text-center { text-align: center; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border-width: 0; }

/* Grid utilities */
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-wrap { flex-wrap: wrap; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.gap-4 { gap: 16px; }

/* Spacing */
.mt-4 { margin-top: 16px; }
.mt-6 { margin-top: 24px; }
.mt-8 { margin-top: 32px; }
.mb-4 { margin-bottom: 16px; }
.mb-6 { margin-bottom: 24px; }
.mb-8 { margin-bottom: 32px; }

/* No results */
.no-results {
  text-align: center;
  padding: 80px 24px;
  grid-column: 1 / -1;
}

.no-results__icon {
  font-size: 3rem;
  margin-bottom: 16px;
  opacity: 0.4;
}

.no-results__title {
  font-size: 1.5rem;
  margin-bottom: 10px;
}

.no-results__desc { color: var(--text-muted); max-width: 400px; margin: 0 auto 24px; }

/* Section titles */
.section-title {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 28px;
}

.section-title h2 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  white-space: nowrap;
}

.section-title::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--border-mid), transparent);
}

/* ================================================================
   ANIMATIONS
================================================================ */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

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

@keyframes pulse-ring {
  0%   { box-shadow: 0 0 0 0 var(--accent-glow); }
  70%  { box-shadow: 0 0 0 10px transparent; }
  100% { box-shadow: 0 0 0 0 transparent; }
}

.listing-card {
  animation: fadeUp 0.4s var(--ease) both;
}

.listing-card:nth-child(2) { animation-delay: 0.05s; }
.listing-card:nth-child(3) { animation-delay: 0.1s; }
.listing-card:nth-child(4) { animation-delay: 0.15s; }
.listing-card:nth-child(5) { animation-delay: 0.2s; }
.listing-card:nth-child(6) { animation-delay: 0.25s; }

.listing-card--featured .listing-logo { animation: pulse-ring 2.5s ease-in-out infinite; }

/* ================================================================
   RESPONSIVE
================================================================ */
@media (max-width: 1100px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  :root { --header-h: 60px; }

  .main-nav { display: none; }
  .main-nav.is-open {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    position: fixed;
    inset: var(--header-h) 0 0 0;
    background: var(--bg-surface);
    border-top: 1px solid var(--border-subtle);
    padding: 16px;
    overflow-y: auto;
    z-index: 999;
  }

  .main-nav.is-open ul { flex-direction: column; align-items: stretch; width: 100%; }
  .main-nav.is-open a { padding: 12px 16px; width: 100%; }
  .main-nav.is-open li ul {
    position: static;
    opacity: 1;
    pointer-events: auto;
    transform: none;
    box-shadow: none;
    border: none;
    background: var(--bg-card);
    margin: 4px 0;
  }

  .mobile-menu-toggle { display: flex; }
  .btn-submit-listing { display: none; }

  .listing-header__inner { grid-template-columns: auto 1fr; }
  .listing-header__actions { grid-column: 1 / -1; flex-direction: row; flex-wrap: wrap; }

  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }

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

  .directory-filters__inner { gap: 8px; }
  .directory-filters__search { min-width: 100%; order: -1; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .site-content { padding: 32px 0 60px; }
  .page-hero { padding: 40px 0 32px; }
  .listing-body { padding: 32px 0; }
}

/* ================================================================
   PRINT
================================================================ */
@media print {
  .site-header, .site-footer, .sidebar, .directory-filters,
  .alphabet-filter, .listing-header__actions, .listing-contact-card__actions { display: none; }
  body { background: white; color: black; }
  a { color: black; }
}