/*
Theme Name: AI Tools Hub
Theme URI: https://example.com/ai-tools-hub
Author: AI Tools Hub
Author URI: https://example.com
Description: A lightweight, modern single-page WordPress theme to showcase multiple AI tools as interactive cards. Features tool management, advertisement banners, donation section, and a powerful admin panel.
Version: 1.0.0
Requires at least: 5.8
Tested up to: 6.5
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: ai-tools-hub
Tags: one-page, custom-menu, custom-logo, featured-images, threaded-comments, translation-ready
*/

/* ============================================================
   CSS CUSTOM PROPERTIES
   ============================================================ */
:root {
  --clr-bg:         #0a0d14;
  --clr-surface:    #111520;
  --clr-surface-2:  #161c2d;
  --clr-border:     rgba(255,255,255,0.07);
  --clr-accent:     #3b82f6;
  --clr-accent-2:   #06b6d4;
  --clr-accent-glow:rgba(59,130,246,0.25);
  --clr-text:       #e2e8f0;
  --clr-muted:      #64748b;
  --clr-heading:    #f1f5f9;

  --font-display:   'Syne', sans-serif;
  --font-body:      'DM Sans', sans-serif;
  --font-mono:      'JetBrains Mono', monospace;

  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  20px;
  --radius-xl:  28px;

  --shadow-card: 0 4px 24px rgba(0,0,0,0.4), 0 1px 0 rgba(255,255,255,0.05) inset;
  --shadow-glow: 0 0 40px var(--clr-accent-glow);

  --transition: 0.28s cubic-bezier(0.34, 1.56, 0.64, 1);
  --transition-fast: 0.18s ease;

  --container: 1280px;
  --header-h: 72px;
}

/* ============================================================
   LIGHT THEME OVERRIDES
   ============================================================ */
[data-theme="light"] {
  --clr-bg:         #f0f4f8;
  --clr-surface:    #ffffff;
  --clr-surface-2:  #f1f5f9;
  --clr-border:     rgba(0,0,0,0.09);
  --clr-accent:     #2563eb;
  --clr-accent-2:   #0891b2;
  --clr-accent-glow:rgba(37,99,235,0.18);
  --clr-text:       #1e293b;
  --clr-muted:      #64748b;
  --clr-heading:    #0f172a;
  --shadow-card: 0 4px 24px rgba(0,0,0,0.08), 0 1px 0 rgba(255,255,255,0.9) inset;
}

[data-theme="light"] .site-header {
  background: rgba(240,244,248,0.88);
  border-bottom-color: rgba(0,0,0,0.09);
}

[data-theme="light"] .site-header.scrolled {
  background: rgba(240,244,248,0.98);
  box-shadow: 0 4px 32px rgba(0,0,0,0.1);
}

[data-theme="light"] .hero-grid-bg {
  background-image:
    linear-gradient(rgba(0,0,0,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,0,0,0.04) 1px, transparent 1px);
}

[data-theme="light"] .hero-bg {
  background:
    radial-gradient(ellipse 80% 60% at 50% -10%, rgba(37,99,235,0.12) 0%, transparent 60%),
    radial-gradient(ellipse 40% 40% at 80% 80%, rgba(8,145,178,0.08) 0%, transparent 50%);
}

[data-theme="light"] .main-nav a        { color: #475569; }
[data-theme="light"] .main-nav a:hover,
[data-theme="light"] .main-nav .current-menu-item > a { color: #0f172a; background: rgba(0,0,0,0.05); }

[data-theme="light"] .mobile-nav        { background: #ffffff; border-color: rgba(0,0,0,0.09); }
[data-theme="light"] .mobile-nav a      { color: #1e293b; }
[data-theme="light"] .menu-toggle span  { background: #1e293b; }

[data-theme="light"] .filter-btn        { color: #475569; border-color: rgba(0,0,0,0.12); }
[data-theme="light"] .search-wrapper input { background: #fff; border-color: rgba(0,0,0,0.15); color: #1e293b; }

[data-theme="light"] .ad-banner         { background: #f8fafc; }
[data-theme="light"] .ad-placeholder    { background: repeating-linear-gradient(45deg,rgba(0,0,0,0.02),rgba(0,0,0,0.02) 10px,transparent 10px,transparent 20px); }

[data-theme="light"] .tool-card         { background: #ffffff; }
[data-theme="light"] .tool-card:hover   { box-shadow: 0 8px 40px rgba(0,0,0,0.12), 0 1px 0 rgba(255,255,255,0.9) inset; }

[data-theme="light"] .btn-secondary     { background: rgba(0,0,0,0.05); color: #1e293b; border-color: rgba(0,0,0,0.12); }
[data-theme="light"] .btn-secondary:hover { background: rgba(0,0,0,0.09); color: #0f172a; }

[data-theme="light"] .donation-inner    { background: #fff; }
[data-theme="light"] .payment-card      { background: #f8fafc; border-color: rgba(0,0,0,0.1); }
[data-theme="light"] .payment-name      { color: #0f172a; }

[data-theme="light"] .site-footer       { background: #fff; border-color: rgba(0,0,0,0.09); }

/* ============================================================
   THEME TOGGLE BUTTON
   ============================================================ */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--clr-border);
  background: var(--clr-surface);
  color: var(--clr-text);
  cursor: pointer;
  transition: all var(--transition-fast);
  flex-shrink: 0;
  font-size: 1rem;
  margin-left: 8px;
  position: relative;
  overflow: hidden;
}

.theme-toggle:hover {
  border-color: var(--clr-accent);
  background: var(--clr-surface-2);
  transform: rotate(12deg) scale(1.05);
}

.theme-toggle .icon-sun,
.theme-toggle .icon-moon {
  position: absolute;
  transition: opacity 0.25s ease, transform 0.35s ease;
  line-height: 1;
}

/* Dark mode (default): show sun icon (to switch to light) */
.theme-toggle .icon-sun  { opacity: 1;  transform: scale(1)   rotate(0deg); }
.theme-toggle .icon-moon { opacity: 0;  transform: scale(0.5) rotate(-45deg); }

/* Light mode: show moon icon (to switch back to dark) */
[data-theme="light"] .theme-toggle .icon-sun  { opacity: 0;  transform: scale(0.5) rotate(45deg); }
[data-theme="light"] .theme-toggle .icon-moon { opacity: 1;  transform: scale(1)   rotate(0deg); }

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

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

body {
  background: var(--clr-bg);
  color: var(--clr-text);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--clr-accent); text-decoration: none; }
a:hover { color: var(--clr-accent-2); }
ul { list-style: none; }

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--clr-heading);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

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

/* ============================================================
   HEADER / NAV
   ============================================================ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-h);
  background: rgba(10,13,20,0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--clr-border);
  transition: background var(--transition-fast);
}

.site-header.scrolled {
  background: rgba(10,13,20,0.97);
  box-shadow: 0 4px 32px rgba(0,0,0,0.4);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

/* Logo */
.site-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--clr-heading);
  letter-spacing: -0.03em;
  text-decoration: none;
}

.site-logo:hover { color: var(--clr-accent); }

.logo-icon {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--clr-accent), var(--clr-accent-2));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.custom-logo { height: 38px; width: auto; border-radius: var(--radius-sm); }

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

.main-nav a {
  color: var(--clr-muted);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
  text-decoration: none;
}

.main-nav a:hover,
.main-nav .current-menu-item > a {
  color: var(--clr-text);
  background: rgba(255,255,255,0.06);
}

.nav-cta {
  background: var(--clr-accent) !important;
  color: #fff !important;
  padding: 8px 18px !important;
  margin-left: 8px;
}

.nav-cta:hover { background: var(--clr-accent-2) !important; }

/* Hamburger */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  border-radius: var(--radius-sm);
}

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

.menu-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.menu-toggle.active span:nth-child(2) { opacity: 0; }
.menu-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* Mobile nav */
.mobile-nav {
  display: none;
  position: fixed;
  top: var(--header-h);
  left: 0;
  right: 0;
  background: var(--clr-surface);
  border-bottom: 1px solid var(--clr-border);
  padding: 16px 24px;
  z-index: 999;
  flex-direction: column;
  gap: 4px;
}

.mobile-nav.open { display: flex; }
.mobile-nav a { color: var(--clr-text); padding: 12px; border-radius: var(--radius-sm); display: block; }
.mobile-nav a:hover { background: rgba(255,255,255,0.06); }

/* ============================================================
   HERO SECTION
   ============================================================ */
.site-hero {
  min-height: 540px;
  display: flex;
  align-items: center;
  padding: calc(var(--header-h) + 80px) 0 80px;
  position: relative;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(ellipse 80% 60% at 50% -10%, rgba(59,130,246,0.18) 0%, transparent 60%),
    radial-gradient(ellipse 40% 40% at 80% 80%, rgba(6,182,212,0.1) 0%, transparent 50%);
  pointer-events: none;
}

.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  mask-image: radial-gradient(ellipse at center, black 20%, transparent 80%);
}

.hero-content { position: relative; z-index: 1; text-align: center; max-width: 760px; margin: 0 auto; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(59,130,246,0.12);
  border: 1px solid rgba(59,130,246,0.3);
  border-radius: 100px;
  padding: 6px 16px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--clr-accent);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 24px;
}

.hero-badge .dot {
  width: 6px; height: 6px;
  background: var(--clr-accent);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.4; transform: scale(0.7); }
}

.hero-title {
  font-size: clamp(2.4rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 20px;
  letter-spacing: -0.04em;
}

.hero-title .gradient-text {
  background: linear-gradient(135deg, var(--clr-accent), var(--clr-accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--clr-muted);
  max-width: 540px;
  margin: 0 auto 36px;
  line-height: 1.7;
}

.hero-stats {
  display: flex;
  gap: 40px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-stat { text-align: center; }
.hero-stat .num { font-family: var(--font-display); font-size: 1.8rem; font-weight: 800; color: var(--clr-heading); }
.hero-stat .label { font-size: 0.8rem; color: var(--clr-muted); letter-spacing: 0.03em; }

/* ============================================================
   ADVERTISEMENT BANNERS
   ============================================================ */
.ad-banner {
  padding: 20px 0;
  background: var(--clr-surface);
  border-top: 1px solid var(--clr-border);
  border-bottom: 1px solid var(--clr-border);
}

.ad-banner.ad-top    { margin-bottom: 0; }
.ad-banner.ad-middle { margin: 40px 0; }
.ad-banner.ad-bottom { margin-top: 40px; }

.ad-banner .container { text-align: center; }

.ad-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--clr-muted);
  margin-bottom: 8px;
}

.ad-placeholder {
  background: repeating-linear-gradient(
    45deg,
    rgba(255,255,255,0.02),
    rgba(255,255,255,0.02) 10px,
    transparent 10px,
    transparent 20px
  );
  border: 1px dashed var(--clr-border);
  border-radius: var(--radius-md);
  padding: 20px;
  color: var(--clr-muted);
  font-size: 0.85rem;
  min-height: 90px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ============================================================
   TOOLS SECTION
   ============================================================ */
.tools-section {
  padding: 80px 0;
}

.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 48px;
  flex-wrap: wrap;
  gap: 20px;
}

.section-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--clr-accent);
  margin-bottom: 10px;
}

.section-title {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  letter-spacing: -0.03em;
}

.section-subtitle {
  color: var(--clr-muted);
  font-size: 0.95rem;
  margin-top: 6px;
  max-width: 480px;
}

/* Filter Bar */
.filter-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.filter-btn {
  padding: 8px 18px;
  border-radius: 100px;
  border: 1px solid var(--clr-border);
  background: transparent;
  color: var(--clr-muted);
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover, .filter-btn.active {
  background: var(--clr-accent);
  border-color: var(--clr-accent);
  color: #fff;
}

/* Search */
.search-wrapper {
  position: relative;
  margin-left: auto;
}

.search-wrapper input {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: 100px;
  padding: 8px 16px 8px 38px;
  color: var(--clr-text);
  font-family: var(--font-body);
  font-size: 0.85rem;
  width: 220px;
  outline: none;
  transition: border-color var(--transition-fast), width var(--transition-fast);
}

.search-wrapper input:focus {
  border-color: var(--clr-accent);
  width: 280px;
}

.search-wrapper input::placeholder { color: var(--clr-muted); }

.search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--clr-muted);
  font-size: 0.9rem;
  pointer-events: none;
}

/* ============================================================
   TOOL CARDS GRID
   ============================================================ */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.tool-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-xl);
  padding: 28px;
  position: relative;
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  cursor: default;
  display: flex;
  flex-direction: column;
}

.tool-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--card-accent, linear-gradient(90deg, var(--clr-accent), var(--clr-accent-2)));
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.tool-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card), 0 0 0 1px rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.12);
}

.tool-card:hover::before { opacity: 1; }

.tool-card-glow {
  position: absolute;
  top: -60px; left: -60px;
  width: 200px; height: 200px;
  border-radius: 50%;
  background: var(--card-glow, rgba(59,130,246,0.12));
  filter: blur(60px);
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--transition);
}

.tool-card:hover .tool-card-glow { opacity: 1; }

/* Card Header */
.card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 16px;
  gap: 12px;
}

.card-icon {
  width: 48px; height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  background: var(--card-icon-bg, rgba(59,130,246,0.15));
  flex-shrink: 0;
}

.card-badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: 100px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: var(--badge-bg, rgba(59,130,246,0.15));
  color: var(--badge-color, var(--clr-accent));
  border: 1px solid var(--badge-border, rgba(59,130,246,0.25));
}

.card-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}

.card-description {
  font-size: 0.9rem;
  color: var(--clr-muted);
  line-height: 1.65;
  flex: 1;
  margin-bottom: 24px;
}

/* Card Footer / Buttons */
.card-footer {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: auto;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 18px;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--card-btn-bg, var(--clr-accent));
  color: #fff;
  flex: 1;
  justify-content: center;
}

.btn-primary:hover {
  filter: brightness(1.15);
  transform: translateY(-1px);
  color: #fff;
}

.btn-secondary {
  background: rgba(255,255,255,0.06);
  color: var(--clr-text);
  border: 1px solid var(--clr-border);
}

.btn-secondary:hover {
  background: rgba(255,255,255,0.1);
  color: var(--clr-text);
}

/* Disabled card */
.tool-card.disabled {
  opacity: 0.45;
  pointer-events: none;
}

/* Empty state */
.tools-empty {
  grid-column: 1/-1;
  text-align: center;
  padding: 80px 20px;
  color: var(--clr-muted);
}

.tools-empty .icon { font-size: 3rem; margin-bottom: 16px; }
.tools-empty p { font-size: 1.05rem; }

/* ============================================================
   DONATION SECTION
   ============================================================ */
.donation-section {
  padding: 80px 0;
  position: relative;
}

.donation-inner {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-xl);
  padding: 60px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.donation-inner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 60% at 50% 0%, rgba(59,130,246,0.1) 0%, transparent 60%);
  pointer-events: none;
}

.donation-emoji { font-size: 3rem; margin-bottom: 16px; display: block; }

.donation-title {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  margin-bottom: 12px;
}

.donation-subtitle {
  color: var(--clr-muted);
  font-size: 1rem;
  max-width: 500px;
  margin: 0 auto 40px;
}

.payment-methods {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.payment-card {
  background: var(--clr-surface-2);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 20px 28px;
  min-width: 180px;
  transition: all var(--transition-fast);
  cursor: pointer;
  text-align: center;
}

.payment-card:hover {
  border-color: rgba(59,130,246,0.5);
  transform: translateY(-3px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.3);
}

.payment-icon { font-size: 2rem; margin-bottom: 10px; }
.payment-name { font-weight: 700; font-size: 0.95rem; margin-bottom: 4px; }
.payment-detail { font-size: 0.8rem; color: var(--clr-muted); word-break: break-all; }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--clr-surface);
  border-top: 1px solid var(--clr-border);
  padding: 40px 0 28px;
}

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

.footer-copy { font-size: 0.85rem; color: var(--clr-muted); }
.footer-copy a { color: var(--clr-muted); }
.footer-copy a:hover { color: var(--clr-accent); }

.footer-links { display: flex; gap: 24px; flex-wrap: wrap; }
.footer-links a { font-size: 0.85rem; color: var(--clr-muted); }
.footer-links a:hover { color: var(--clr-text); }

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

/* ============================================================
   ANIMATIONS
   ============================================================ */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

.fade-in-up {
  opacity: 0;
  animation: fadeInUp 0.6s ease forwards;
}

.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }
.delay-5 { animation-delay: 0.5s; }

/* ============================================================
   WORDPRESS CORE CLASSES
   ============================================================ */
.wp-caption, .gallery-caption { color: var(--clr-muted); font-size: 0.85rem; }
.sticky { border-left: 3px solid var(--clr-accent); padding-left: 16px; }
.bypostauthor {}
.alignleft  { float: left; margin: 0 24px 16px 0; }
.alignright { float: right; margin: 0 0 16px 24px; }
.aligncenter { display: block; margin: 0 auto 16px; }
.alignwide  { max-width: calc(100% + 80px); margin-left: -40px; }
.alignfull  { max-width: 100vw; margin-left: calc(50% - 50vw); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .tools-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  :root { --header-h: 64px; }

  .main-nav  { display: none; }
  .menu-toggle { display: flex; }

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

  .section-header { flex-direction: column; align-items: flex-start; }
  .filter-bar { gap: 6px; }
  .search-wrapper { margin-left: 0; width: 100%; }
  .search-wrapper input { width: 100%; }
  .search-wrapper input:focus { width: 100%; }

  .donation-inner { padding: 40px 24px; }
  .payment-methods { gap: 12px; }
  .payment-card { min-width: 140px; padding: 16px 20px; }

  .footer-inner { flex-direction: column; text-align: center; }
  .footer-links { justify-content: center; }

  .hero-stats { gap: 24px; }
}

@media (max-width: 480px) {
  .tools-grid { grid-template-columns: 1fr; }
  .card-footer { flex-direction: column; }
  .btn-primary { width: 100%; }
}