/* ===== Custom Properties ===== */
:root {
  /* Light / Cream theme (default) */
  --bg-primary: #fdf6ed;
  --bg-secondary: #f5efe4;
  --bg-card: #ffffff;
  --bg-card-hover: #fffcf8;
  --text-primary: #1a3d5c;
  --text-secondary: #4a6a8a;
  --text-muted: #8a9ab0;
  --accent: #e87a2d;
  --accent-hover: #d06820;
  --accent-glow: rgba(232, 122, 45, 0.12);
  --accent-secondary: #f5be3b;
  --accent-secondary-glow: rgba(245, 190, 59, 0.15);
  --blue: #1a3d5c;
  --blue-light: #5b9bd5;
  --border: rgba(26, 61, 92, 0.1);
  --shadow: 0 2px 8px rgba(26, 61, 92, 0.08);
  --shadow-hover: 0 8px 24px rgba(26, 61, 92, 0.14);
  --nav-bg: transparent;
  --nav-bg-scroll: rgba(253, 246, 237, 0.95);
  --footer-bg: #1a3d5c;
  --footer-text: #c8d8e8;
  --footer-muted: #7a98b8;
  --code-bg: rgba(26, 61, 92, 0.04);
  --input-bg: #ffffff;
  --input-border: rgba(26, 61, 92, 0.18);
  --star: #f5be3b;
  --check: #e87a2d;
}

[data-theme="dark"] {
  --bg-primary: #0f1f30;
  --bg-secondary: #162a40;
  --bg-card: #1d3350;
  --bg-card-hover: #234060;
  --text-primary: #f0e8df;
  --text-secondary: #a0b4c8;
  --text-muted: #687e94;
  --accent: #f08a3e;
  --accent-hover: #f89b55;
  --accent-glow: rgba(240, 138, 62, 0.15);
  --accent-secondary: #f5c85a;
  --accent-secondary-glow: rgba(245, 200, 90, 0.15);
  --blue: #5b9bd5;
  --blue-light: #7ab5e8;
  --border: rgba(255, 255, 255, 0.08);
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.4);
  --nav-bg: transparent;
  --nav-bg-scroll: rgba(15, 31, 48, 0.95);
  --footer-bg: #0a1520;
  --footer-text: #a0b4c8;
  --footer-muted: #506878;
  --code-bg: rgba(255, 255, 255, 0.05);
  --input-bg: #1d3350;
  --input-border: rgba(255, 255, 255, 0.12);
  --star: #f5c85a;
  --check: #f08a3e;
}

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

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto,
    Oxygen, Ubuntu, Cantarell, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  font-size: 16px;
  transition: background-color 0.3s ease, color 0.3s ease;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

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

/* ===== Skip Link ===== */
.skip-link {
  position: absolute;
  top: -100%;
  left: 16px;
  background: var(--accent);
  color: #fff;
  padding: 8px 16px;
  border-radius: 0 0 8px 8px;
  font-weight: 600;
  z-index: 1000;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 0;
  color: #fff;
}

/* ===== Container ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Navigation ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--nav-bg);
  backdrop-filter: blur(0px);
  transition: background 0.3s ease, backdrop-filter 0.3s ease,
    box-shadow 0.3s ease;
}

.nav.scrolled {
  background: var(--nav-bg-scroll);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--border);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.nav-logo {
  display: flex;
  align-items: center;
}

.nav-logo img {
  height: 42px;
  width: auto;
}

.nav-logo:hover {
  opacity: 0.85;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 600;
  position: relative;
  padding: 4px 0;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width 0.2s ease;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text-primary);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.theme-toggle {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  cursor: pointer;
  padding: 8px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
  width: 40px;
  height: 40px;
}

.theme-toggle:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--accent-glow);
}

.theme-toggle svg {
  width: 20px;
  height: 20px;
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  cursor: pointer;
  padding: 8px;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
}

.mobile-toggle svg {
  width: 24px;
  height: 24px;
}

/* Mobile nav */
.mobile-nav {
  display: none;
  position: fixed;
  top: 68px;
  left: 0;
  right: 0;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  padding: 16px 24px;
  z-index: 99;
}

.mobile-nav.open {
  display: block;
}

.mobile-nav a {
  display: block;
  color: var(--text-secondary);
  padding: 12px 0;
  font-size: 1rem;
  font-weight: 500;
  border-bottom: 1px solid var(--border);
}

.mobile-nav a:last-child {
  border-bottom: none;
}

.mobile-nav a:hover,
.mobile-nav a.active {
  color: var(--accent);
}

/* ===== Hero / IP Display ===== */
.hero {
  padding: 120px 0 60px;
  text-align: center;
}

.hero-label {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 12px;
}

.hero h1 {
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 24px;
  color: var(--blue);
}

[data-theme="dark"] .hero h1 {
  color: var(--text-primary);
}

.ip-display {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  background: var(--bg-card);
  border: 2px solid var(--accent);
  border-radius: 16px;
  padding: 20px 32px;
  margin-bottom: 16px;
  box-shadow: 0 4px 16px var(--accent-glow), var(--shadow);
}

.ip-value {
  font-size: 2rem;
  font-weight: 700;
  font-family: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
  color: var(--blue);
  letter-spacing: 0.02em;
}

[data-theme="dark"] .ip-value {
  color: var(--text-primary);
}

.ip-value.loading {
  color: var(--text-muted);
  font-size: 1.2rem;
}

.copy-btn {
  background: var(--accent);
  border: none;
  color: #fff;
  padding: 8px 16px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 600;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.copy-btn:hover {
  background: var(--accent-hover);
}

.copy-btn.copied {
  background: var(--accent-secondary);
  color: var(--blue);
}

.ip-note {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 40px;
}

/* ===== Detail Cards ===== */
.detail-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-top: 40px;
}

.detail-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  text-align: left;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.detail-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

.detail-card-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--accent-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 12px;
  color: var(--accent);
}

.detail-card-icon svg {
  width: 20px;
  height: 20px;
}

.detail-card-label {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}

.detail-card-value {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
}

/* ===== Section Styles ===== */
.section {
  padding: 80px 0;
}

.section-divider {
  height: 1px;
  background: linear-gradient(to right, transparent, var(--border), transparent);
  margin: 0;
  border: none;
}

.section-label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 8px;
}

.section h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--blue);
}

[data-theme="dark"] .section h2 {
  color: var(--text-primary);
}

.section-subtitle {
  color: var(--text-secondary);
  font-size: 1.1rem;
  max-width: 600px;
  margin-bottom: 40px;
}

.section.centered {
  text-align: center;
}

.section.centered .section-subtitle {
  margin-left: auto;
  margin-right: auto;
}

/* ===== Joke Card ===== */
.joke-section {
  background: var(--accent-secondary-glow);
  border-top: 3px solid var(--accent-secondary);
  border-bottom: 3px solid var(--accent-secondary);
}

.joke-card {
  background: var(--bg-card);
  border: 1px solid var(--accent-secondary);
  border-radius: 16px;
  padding: 32px;
  max-width: 640px;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
  box-shadow: 0 4px 16px var(--accent-secondary-glow);
}

.joke-card::before {
  content: '\201C';
  position: absolute;
  top: -10px;
  left: 16px;
  font-size: 6rem;
  color: var(--accent-secondary);
  opacity: 0.25;
  font-family: Georgia, serif;
  line-height: 1;
}

.joke-text {
  font-size: 1.15rem;
  line-height: 1.7;
  color: var(--text-primary);
  position: relative;
  z-index: 1;
}

.joke-refresh {
  margin-top: 20px;
  background: none;
  border: 1px solid var(--accent-secondary);
  color: var(--text-secondary);
  padding: 8px 20px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 600;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.joke-refresh:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-glow);
}

.joke-refresh svg {
  width: 14px;
  height: 14px;
}

/* ===== Reason Cards (Why Hide IP) ===== */
.reason-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-bottom: 40px;
}

.reason-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

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

.reason-card-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--accent-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  color: var(--accent);
}

.reason-card-icon svg {
  width: 24px;
  height: 24px;
}

.reason-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--blue);
}

[data-theme="dark"] .reason-card h3 {
  color: var(--text-primary);
}

.reason-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ===== CTA ===== */
.cta-section {
  text-align: center;
  padding: 60px 0;
}

.cta-button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: #fff;
  padding: 14px 28px;
  border-radius: 10px;
  font-size: 1rem;
  font-weight: 600;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  border: none;
  cursor: pointer;
}

.cta-button:hover {
  background: var(--accent-hover);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 4px 16px var(--accent-glow);
}

.cta-button svg {
  width: 18px;
  height: 18px;
  transition: transform 0.2s ease;
}

.cta-button:hover svg {
  transform: translateX(4px);
}

.cta-button-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--accent);
  padding: 14px 28px;
  border-radius: 10px;
  font-size: 1rem;
  font-weight: 600;
  border: 2px solid var(--accent);
  cursor: pointer;
  transition: all 0.2s ease;
}

.cta-button-outline:hover {
  background: var(--accent-glow);
  color: var(--accent);
}

/* ===== VPN Cards ===== */
.vpn-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.vpn-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px;
  position: relative;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

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

.vpn-card.featured {
  border: 2px solid var(--accent);
  box-shadow: 0 4px 20px var(--accent-glow);
}

.vpn-badge {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 16px;
}

.vpn-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.vpn-name {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--blue);
}

[data-theme="dark"] .vpn-name {
  color: var(--text-primary);
}

.vpn-rating {
  display: flex;
  align-items: center;
  gap: 4px;
  color: var(--star);
  font-size: 0.9rem;
  font-weight: 700;
}

.vpn-price {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.vpn-price strong {
  font-size: 1.5rem;
  color: var(--accent);
  font-weight: 700;
}

.vpn-features {
  list-style: none;
  margin-bottom: 24px;
}

.vpn-features li {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 0;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.vpn-features li svg {
  width: 16px;
  height: 16px;
  color: var(--check);
  flex-shrink: 0;
}

.vpn-cta {
  display: block;
  text-align: center;
  background: var(--accent);
  color: #fff;
  padding: 12px 24px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: all 0.2s ease;
}

.vpn-cta:hover {
  background: var(--accent-hover);
  color: #fff;
  transform: translateY(-1px);
}

/* ===== Content Pages ===== */
.content-hero {
  padding: 120px 0 40px;
  text-align: center;
}

.content-hero h1 {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 16px;
  color: var(--blue);
}

[data-theme="dark"] .content-hero h1 {
  color: var(--text-primary);
}

.content-hero p {
  color: var(--text-secondary);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
}

.content-body {
  max-width: 800px;
  margin: 0 auto;
  padding: 40px 24px 80px;
}

.content-body h2 {
  font-size: 1.6rem;
  font-weight: 700;
  margin-top: 48px;
  margin-bottom: 16px;
  color: var(--blue);
}

[data-theme="dark"] .content-body h2 {
  color: var(--text-primary);
}

.content-body h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-top: 32px;
  margin-bottom: 12px;
}

.content-body p {
  color: var(--text-secondary);
  margin-bottom: 16px;
  line-height: 1.7;
}

.content-body ul,
.content-body ol {
  color: var(--text-secondary);
  margin-bottom: 16px;
  padding-left: 24px;
}

.content-body li {
  margin-bottom: 8px;
  line-height: 1.6;
}

.content-body strong {
  color: var(--text-primary);
}

/* ===== Method Comparison ===== */
.method-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
  margin: 32px 0;
}

.method-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.method-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

.method-card.recommended {
  border: 2px solid var(--accent);
  box-shadow: 0 2px 12px var(--accent-glow);
}

.method-card h3 {
  margin-top: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--blue);
}

[data-theme="dark"] .method-card h3 {
  color: var(--text-primary);
}

.method-badge {
  font-size: 0.7rem;
  background: var(--accent);
  color: #fff;
  padding: 2px 8px;
  border-radius: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

.pros-cons {
  margin-top: 12px;
}

.pros-cons dt {
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--text-primary);
  margin-top: 8px;
}

.pros-cons dd {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-left: 0;
}

/* ===== Email Contact ===== */
.contact-block {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px;
  text-align: center;
  max-width: 480px;
  margin: 24px auto 0;
}

.contact-block p {
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.contact-email {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--accent);
  padding: 12px 24px;
  background: var(--accent-glow);
  border: 1px solid var(--accent);
  border-radius: 10px;
  transition: all 0.2s ease;
}

.contact-email:hover {
  background: var(--accent);
  color: #fff;
}

.contact-email svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

/* ===== Footer ===== */
.footer {
  background: var(--footer-bg);
  margin-top: auto;
}

.footer-main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 48px 24px;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
}

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

.footer-brand img {
  height: 36px;
  width: auto;
  margin-bottom: 4px;
  /* Invert logo for dark footer background so it stays readable */
  filter: brightness(0) invert(1) brightness(0.9);
}

.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.6;
  margin-top: 12px;
  color: var(--footer-muted);
}

.footer h4 {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #e2e8f0;
  margin-bottom: 16px;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 8px;
}

.footer-links a {
  color: var(--footer-muted);
  font-size: 0.9rem;
  transition: color 0.2s ease;
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: var(--footer-muted);
}

.footer-bottom-links {
  display: flex;
  gap: 24px;
}

.footer-bottom-links a {
  color: var(--footer-muted);
  font-size: 0.8rem;
}

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

/* ===== Affiliate Notice ===== */
.affiliate-notice {
  background: var(--accent-glow);
  border: 1px solid var(--accent);
  border-radius: 8px;
  padding: 12px 16px;
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: 32px;
  line-height: 1.5;
}

.affiliate-notice strong {
  color: var(--accent);
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .mobile-toggle {
    display: flex;
  }

  .hero h1 {
    font-size: 1.8rem;
  }

  .ip-display {
    flex-direction: column;
    gap: 12px;
    padding: 16px 20px;
  }

  .ip-value {
    font-size: 1.4rem;
  }

  .section h2 {
    font-size: 1.6rem;
  }

  .section {
    padding: 60px 0;
  }

  .footer-main {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }

  .content-hero h1 {
    font-size: 1.8rem;
  }

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

@media (max-width: 480px) {
  .hero {
    padding: 100px 0 40px;
  }

  .ip-value {
    font-size: 1.15rem;
  }

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

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

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

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