/* ============================================================
   RadioGeek.site — Main Stylesheet
   Author: RadioGeek Independent Resource
   ============================================================ */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;600;700;800&family=Inter:wght@300;400;500;600&display=swap');

/* --- CSS Custom Properties --- */
:root {
  --navy: #0F1B2D;
  --navy-mid: #1A2E47;
  --signal-blue: #1E6FD9;
  --signal-blue-hover: #1557B8;
  --sky-mist: #E8F1FB;
  --warm-white: #FAFCFF;
  --slate: #5A6A7E;
  --slate-light: #8A9AB0;
  --amber: #F59E0B;
  --amber-light: #FEF3C7;
  --success: #10B981;
  --error: #EF4444;
  --border: #DDE6F0;
  --card-shadow: 0 4px 24px rgba(15,27,45,0.08);
  --card-shadow-hover: 0 8px 40px rgba(15,27,45,0.14);
  --radius: 12px;
  --radius-lg: 20px;
  --transition: 0.22s cubic-bezier(0.4,0,0.2,1);
  --font-display: 'Syne', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
}

/* Dark Mode Variables */
[data-theme="dark"] {
  --navy: #E8F1FB;
  --navy-mid: #C5D8F0;
  --signal-blue: #4D9FFF;
  --signal-blue-hover: #6BB3FF;
  --sky-mist: #0D1929;
  --warm-white: #111C2B;
  --slate: #8A9AB0;
  --slate-light: #6A7A90;
  --border: #1E3050;
  --card-shadow: 0 4px 24px rgba(0,0,0,0.3);
  --card-shadow-hover: 0 8px 40px rgba(0,0,0,0.4);
}

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

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

body {
  font-family: var(--font-body);
  background: var(--warm-white);
  color: var(--navy);
  line-height: 1.6;
  transition: background var(--transition), color var(--transition);
  overflow-x: hidden;
}

/* --- Loading Screen --- */
#loader {
  position: fixed; inset: 0; background: var(--navy);
  display: flex; align-items: center; justify-content: center;
  z-index: 9999; transition: opacity 0.5s ease, visibility 0.5s ease;
}
#loader.hidden { opacity: 0; visibility: hidden; pointer-events: none; }
.loader-signal {
  display: flex; gap: 6px; align-items: flex-end;
}
.loader-signal span {
  width: 6px; background: var(--signal-blue);
  border-radius: 3px; animation: loaderBar 0.8s ease-in-out infinite alternate;
}
.loader-signal span:nth-child(1) { height: 16px; animation-delay: 0s; }
.loader-signal span:nth-child(2) { height: 28px; animation-delay: 0.1s; }
.loader-signal span:nth-child(3) { height: 40px; animation-delay: 0.2s; }
.loader-signal span:nth-child(4) { height: 28px; animation-delay: 0.3s; }
.loader-signal span:nth-child(5) { height: 16px; animation-delay: 0.4s; }
@keyframes loaderBar { from { opacity:0.4; transform:scaleY(0.6); } to { opacity:1; transform:scaleY(1); } }

/* --- Skip Link (Accessibility) --- */
.skip-link {
  position: absolute; top: -100px; left: 16px;
  background: var(--signal-blue); color: #fff;
  padding: 8px 16px; border-radius: 8px; font-weight: 600;
  z-index: 10000; text-decoration: none; transition: top 0.2s;
}
.skip-link:focus { top: 16px; }

/* --- Navigation --- */
.navbar {
  position: sticky; top: 0; z-index: 1000;
  background: rgba(250,252,255,0.92);
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: background var(--transition), box-shadow var(--transition);
}
[data-theme="dark"] .navbar {
  background: rgba(17,28,43,0.92);
}
.navbar.scrolled { box-shadow: 0 2px 20px rgba(15,27,45,0.1); }
.nav-inner {
  max-width: 1200px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 24px; height: 68px;
}
.nav-brand {
  display: flex; align-items: center; gap: 10px;
  text-decoration: none; flex-shrink: 0;
}
.nav-logo-icon {
  width: 36px; height: 36px;
}
.nav-brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.nav-brand-name {
  font-family: var(--font-display); font-weight: 800;
  font-size: 1.15rem; color: var(--navy);
  letter-spacing: -0.02em;
}
.nav-brand-tag {
  font-size: 0.62rem; color: var(--amber);
  font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase;
}
.nav-links {
  display: flex; align-items: center; gap: 4px; list-style: none;
}
.nav-links a {
  font-size: 0.88rem; font-weight: 500; color: var(--slate);
  text-decoration: none; padding: 6px 12px; border-radius: 8px;
  transition: color var(--transition), background var(--transition);
}
.nav-links a:hover, .nav-links a.active {
  color: var(--signal-blue); background: var(--sky-mist);
}
.nav-actions { display: flex; align-items: center; gap: 10px; }

/* Dark Mode Toggle */
.theme-toggle {
  background: none; border: 1.5px solid var(--border);
  border-radius: 50%; width: 38px; height: 38px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; color: var(--slate); transition: all var(--transition);
}
.theme-toggle:hover { border-color: var(--signal-blue); color: var(--signal-blue); }
.theme-toggle .icon-moon { display: block; }
.theme-toggle .icon-sun { display: none; }
[data-theme="dark"] .theme-toggle .icon-moon { display: none; }
[data-theme="dark"] .theme-toggle .icon-sun { display: block; }

.btn { display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-body); font-weight: 600; font-size: 0.9rem;
  padding: 10px 22px; border-radius: 10px; border: none;
  cursor: pointer; text-decoration: none; transition: all var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: var(--signal-blue); color: #fff;
}
.btn-primary:hover { background: var(--signal-blue-hover); transform: translateY(-1px); box-shadow: 0 4px 16px rgba(30,111,217,0.3); }
.btn-outline {
  background: transparent; color: var(--signal-blue);
  border: 1.5px solid var(--signal-blue);
}
.btn-outline:hover { background: var(--sky-mist); transform: translateY(-1px); }
.btn-sm { padding: 8px 16px; font-size: 0.82rem; }
.btn-lg { padding: 14px 32px; font-size: 1rem; border-radius: 12px; }

/* Hamburger */
.nav-hamburger {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 4px;
  aria-label: "Open menu";
}
.nav-hamburger span {
  display: block; width: 24px; height: 2px;
  background: var(--navy); border-radius: 2px;
  transition: all var(--transition);
}
.nav-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile Menu */
.mobile-menu {
  position: fixed; top: 68px; left: 0; right: 0; bottom: 0;
  background: var(--warm-white); z-index: 999;
  padding: 24px; display: flex; flex-direction: column; gap: 8px;
  transform: translateX(100%); transition: transform var(--transition);
  overflow-y: auto;
}
.mobile-menu.open { transform: translateX(0); }
.mobile-menu a {
  display: block; padding: 12px 16px; font-weight: 500;
  color: var(--navy); text-decoration: none; border-radius: 10px;
  transition: background var(--transition);
}
.mobile-menu a:hover { background: var(--sky-mist); color: var(--signal-blue); }

/* --- Layout Utilities --- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.container-sm { max-width: 800px; margin: 0 auto; padding: 0 24px; }
section { padding: 80px 0; }
.section-sm { padding: 56px 0; }
.section-label {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.75rem; font-weight: 700; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--signal-blue);
  background: var(--sky-mist); padding: 5px 14px; border-radius: 99px;
  margin-bottom: 16px;
}
.section-title {
  font-family: var(--font-display); font-weight: 800;
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  line-height: 1.15; letter-spacing: -0.03em; color: var(--navy);
  margin-bottom: 16px;
}
.section-sub {
  font-size: 1.05rem; color: var(--slate); max-width: 580px;
  line-height: 1.7;
}
.text-center { text-align: center; }
.text-center .section-sub { margin: 0 auto; }

/* --- Hero Section --- */
.hero {
  background: linear-gradient(135deg, var(--navy) 0%, #132540 60%, #1a3a60 100%);
  color: #fff; padding: 100px 0 80px; position: relative; overflow: hidden;
}
.hero-signal {
  position: absolute; right: 0; top: 50%; transform: translateY(-50%);
  opacity: 0.12; pointer-events: none;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 6px;
  background: rgba(245,158,11,0.15); color: var(--amber);
  border: 1px solid rgba(245,158,11,0.3);
  padding: 5px 14px; border-radius: 99px;
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.08em;
  text-transform: uppercase; margin-bottom: 20px;
}
.hero-title {
  font-family: var(--font-display); font-weight: 800;
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  line-height: 1.1; letter-spacing: -0.03em;
  margin-bottom: 20px; max-width: 720px;
}
.hero-title span { color: #5BAEFF; }
.hero-sub {
  font-size: clamp(1rem, 1.5vw, 1.15rem);
  color: rgba(255,255,255,0.75); max-width: 560px;
  line-height: 1.7; margin-bottom: 36px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 56px; }
.hero-actions .btn-primary { background: var(--signal-blue); font-size: 1rem; padding: 13px 28px; }
.hero-actions .btn-outline { color: rgba(255,255,255,0.85); border-color: rgba(255,255,255,0.3); }
.hero-actions .btn-outline:hover { background: rgba(255,255,255,0.08); }
.hero-stats {
  display: flex; flex-wrap: wrap; gap: 32px;
  padding-top: 32px; border-top: 1px solid rgba(255,255,255,0.1);
}
.hero-stat-num {
  font-family: var(--font-display); font-size: 2rem;
  font-weight: 800; color: #fff; letter-spacing: -0.04em;
}
.hero-stat-label { font-size: 0.8rem; color: rgba(255,255,255,0.55); margin-top: 2px; }

/* Signal Wave Animation */
@keyframes signalPulse {
  0%, 100% { transform: scale(1); opacity: 0.12; }
  50% { transform: scale(1.03); opacity: 0.18; }
}
.hero-signal { animation: signalPulse 4s ease-in-out infinite; }

/* --- Why Cards --- */
.why-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px; margin-top: 48px;
}
.why-card {
  background: var(--warm-white); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 32px;
  box-shadow: var(--card-shadow); transition: all var(--transition);
}
.why-card:hover { box-shadow: var(--card-shadow-hover); transform: translateY(-4px); }
.why-icon {
  width: 48px; height: 48px; background: var(--sky-mist);
  border-radius: 12px; display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px; color: var(--signal-blue);
}
.why-card h3 { font-family: var(--font-display); font-size: 1.1rem; font-weight: 700; margin-bottom: 10px; }
.why-card p { font-size: 0.9rem; color: var(--slate); line-height: 1.6; }

/* --- Quick Guide Cards --- */
.guides-bg { background: var(--sky-mist); }
.guides-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px; margin-top: 48px;
}
.guide-card {
  background: var(--warm-white); border-radius: var(--radius-lg);
  padding: 28px; border: 1px solid var(--border);
  box-shadow: var(--card-shadow); transition: all var(--transition);
  text-decoration: none; color: inherit; display: block;
}
.guide-card:hover { box-shadow: var(--card-shadow-hover); transform: translateY(-3px); }
.guide-card-icon {
  width: 44px; height: 44px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center; margin-bottom: 16px;
}
.guide-card h3 { font-family: var(--font-display); font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
.guide-card p { font-size: 0.85rem; color: var(--slate); line-height: 1.55; }
.guide-card .arrow-link {
  margin-top: 16px; font-size: 0.82rem; font-weight: 600;
  color: var(--signal-blue); display: flex; align-items: center; gap: 4px;
}

/* --- Articles --- */
.articles-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px; margin-top: 48px;
}
.article-card {
  background: var(--warm-white); border: 1px solid var(--border);
  border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: var(--card-shadow); transition: all var(--transition);
}
.article-card:hover { box-shadow: var(--card-shadow-hover); transform: translateY(-3px); }
.article-card-img {
  height: 160px; background: linear-gradient(135deg, var(--navy) 0%, var(--signal-blue) 100%);
  display: flex; align-items: center; justify-content: center; color: rgba(255,255,255,0.2);
}
.article-card-body { padding: 24px; }
.article-tag {
  font-size: 0.7rem; font-weight: 700; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--signal-blue);
  background: var(--sky-mist); padding: 3px 10px; border-radius: 99px;
  display: inline-block; margin-bottom: 10px;
}
.article-card h3 {
  font-family: var(--font-display); font-size: 1rem; font-weight: 700;
  margin-bottom: 8px; line-height: 1.3;
}
.article-card p { font-size: 0.85rem; color: var(--slate); line-height: 1.55; }
.article-card a {
  display: inline-flex; align-items: center; gap: 4px;
  margin-top: 14px; font-size: 0.82rem; font-weight: 600;
  color: var(--signal-blue); text-decoration: none;
}
.article-meta { font-size: 0.75rem; color: var(--slate-light); margin-bottom: 8px; }

/* --- FAQ Accordion --- */
.faq-list { margin-top: 40px; display: flex; flex-direction: column; gap: 10px; }
.faq-item {
  border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--warm-white); overflow: hidden;
  transition: box-shadow var(--transition);
}
.faq-item.open { box-shadow: var(--card-shadow); }
.faq-question {
  width: 100%; background: none; border: none; text-align: left;
  padding: 20px 24px; cursor: pointer;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  font-family: var(--font-body); font-size: 0.95rem; font-weight: 600;
  color: var(--navy); transition: color var(--transition);
}
.faq-question:hover { color: var(--signal-blue); }
.faq-icon {
  width: 28px; height: 28px; flex-shrink: 0;
  background: var(--sky-mist); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--signal-blue); transition: transform var(--transition), background var(--transition);
}
.faq-item.open .faq-icon { transform: rotate(45deg); background: var(--signal-blue); color: #fff; }
.faq-answer {
  max-height: 0; overflow: hidden;
  transition: max-height 0.35s cubic-bezier(0.4,0,0.2,1), padding 0.25s;
  padding: 0 24px; font-size: 0.9rem; color: var(--slate); line-height: 1.7;
}
.faq-item.open .faq-answer { max-height: 500px; padding: 0 24px 20px; }

/* --- Newsletter --- */
.newsletter-bg {
  background: linear-gradient(135deg, var(--navy) 0%, #1a3a60 100%);
  color: #fff;
}
.newsletter-form {
  display: flex; gap: 10px; margin-top: 28px; flex-wrap: wrap;
}
.newsletter-form input {
  flex: 1; min-width: 240px; padding: 13px 18px;
  background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.2);
  border-radius: 10px; color: #fff; font-family: var(--font-body); font-size: 0.9rem;
  outline: none; transition: border-color var(--transition);
}
.newsletter-form input::placeholder { color: rgba(255,255,255,0.5); }
.newsletter-form input:focus { border-color: rgba(255,255,255,0.5); }
.newsletter-bg .section-sub { color: rgba(255,255,255,0.7); }

/* --- Contact CTA --- */
.cta-section {
  background: var(--sky-mist); border-radius: var(--radius-lg);
  padding: 64px; margin: 0 24px; text-align: center;
}

/* --- Disclaimer Banner --- */
.disclaimer-banner {
  background: var(--amber-light); border: 1px solid rgba(245,158,11,0.3);
  border-radius: 10px; padding: 14px 20px; margin: 0 0 32px;
  display: flex; align-items: flex-start; gap: 12px;
  font-size: 0.82rem; color: #92400E; line-height: 1.5;
}
.disclaimer-banner svg { flex-shrink: 0; margin-top: 1px; }

/* --- Page Hero (Inner Pages) --- */
.page-hero {
  background: linear-gradient(135deg, var(--navy) 0%, #1a3358 100%);
  color: #fff; padding: 72px 0 60px; text-align: center;
}
.page-hero .section-label { background: rgba(255,255,255,0.1); color: rgba(255,255,255,0.8); }
.page-hero h1 {
  font-family: var(--font-display); font-weight: 800;
  font-size: clamp(2rem, 4vw, 3rem); letter-spacing: -0.03em;
  margin-bottom: 14px;
}
.page-hero p { color: rgba(255,255,255,0.7); font-size: 1.05rem; max-width: 560px; margin: 0 auto; }

/* Breadcrumb */
.breadcrumb {
  padding: 14px 0; font-size: 0.82rem; color: var(--slate-light);
  display: flex; align-items: center; gap: 6px; flex-wrap: wrap;
}
.breadcrumb a { color: var(--signal-blue); text-decoration: none; }
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb span { color: var(--slate-light); }

/* --- Guide Content --- */
.guide-section {
  background: var(--warm-white); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 36px; margin-bottom: 24px;
  box-shadow: var(--card-shadow);
}
.guide-section h2 {
  font-family: var(--font-display); font-weight: 700; font-size: 1.4rem;
  margin-bottom: 20px; display: flex; align-items: center; gap: 12px;
}
.guide-section h2 .guide-num {
  background: var(--signal-blue); color: #fff;
  width: 32px; height: 32px; border-radius: 8px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center; font-size: 0.85rem;
}
.step-list { list-style: none; display: flex; flex-direction: column; gap: 16px; }
.step-item {
  display: flex; align-items: flex-start; gap: 14px;
  background: var(--sky-mist); border-radius: 10px; padding: 16px;
}
.step-num {
  width: 28px; height: 28px; background: var(--signal-blue); color: #fff;
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-size: 0.8rem; font-weight: 700; flex-shrink: 0; margin-top: 1px;
}
.step-text h4 { font-weight: 600; font-size: 0.9rem; margin-bottom: 4px; }
.step-text p { font-size: 0.85rem; color: var(--slate); line-height: 1.55; }

/* --- Info Cards Grid --- */
.info-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px; margin-top: 32px;
}
.info-card {
  background: var(--sky-mist); border-radius: var(--radius);
  padding: 24px; border: 1px solid var(--border);
}
.info-card h3 { font-family: var(--font-display); font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
.info-card p { font-size: 0.85rem; color: var(--slate); line-height: 1.55; }
.info-card ul { list-style: none; margin-top: 10px; display: flex; flex-direction: column; gap: 6px; }
.info-card ul li {
  font-size: 0.85rem; color: var(--slate); padding-left: 16px; position: relative;
}
.info-card ul li::before {
  content: '›'; position: absolute; left: 0; color: var(--signal-blue); font-weight: 700;
}

/* Alert Box */
.alert {
  border-radius: 10px; padding: 16px 20px; margin: 20px 0;
  display: flex; align-items: flex-start; gap: 12px; font-size: 0.88rem; line-height: 1.55;
}
.alert-info { background: var(--sky-mist); border: 1px solid rgba(30,111,217,0.2); color: var(--navy); }
.alert-warning { background: var(--amber-light); border: 1px solid rgba(245,158,11,0.3); color: #92400E; }
.alert svg { flex-shrink: 0; margin-top: 1px; }

/* --- Blog --- */
.blog-hero-grid {
  display: grid; grid-template-columns: 1fr; gap: 0; margin-top: 40px;
}
.blog-featured {
  background: linear-gradient(135deg, var(--navy) 0%, var(--signal-blue) 100%);
  border-radius: var(--radius-lg); padding: 48px; color: #fff; position: relative; overflow: hidden;
  margin-bottom: 24px;
}
.blog-featured .article-tag { background: rgba(255,255,255,0.15); color: rgba(255,255,255,0.9); }
.blog-featured h2 { font-family: var(--font-display); font-size: clamp(1.5rem, 3vw, 2.2rem); font-weight: 800; margin: 12px 0; letter-spacing: -0.02em; }
.blog-featured p { color: rgba(255,255,255,0.75); margin-bottom: 24px; line-height: 1.6; }
.blog-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; }

/* Blog Article Page */
.article-layout {
  display: grid; grid-template-columns: 1fr 320px;
  gap: 40px; margin-top: 40px; align-items: start;
}
.article-body h2 { font-family: var(--font-display); font-size: 1.4rem; font-weight: 700; margin: 32px 0 14px; }
.article-body h3 { font-family: var(--font-display); font-size: 1.1rem; font-weight: 700; margin: 24px 0 10px; }
.article-body p { font-size: 0.95rem; color: var(--slate); line-height: 1.75; margin-bottom: 16px; }
.article-body ul, .article-body ol { margin: 0 0 16px 20px; }
.article-body li { font-size: 0.95rem; color: var(--slate); line-height: 1.7; margin-bottom: 6px; }
.article-sidebar { position: sticky; top: 88px; }
.sidebar-card {
  background: var(--warm-white); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 24px; box-shadow: var(--card-shadow);
  margin-bottom: 20px;
}
.sidebar-card h3 { font-family: var(--font-display); font-size: 0.95rem; font-weight: 700; margin-bottom: 14px; }

/* --- Contact Form --- */
.contact-layout {
  display: grid; grid-template-columns: 1fr 380px; gap: 40px; margin-top: 40px;
}
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block; font-size: 0.85rem; font-weight: 600; margin-bottom: 8px; color: var(--navy);
}
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 12px 16px;
  background: var(--warm-white); border: 1.5px solid var(--border);
  border-radius: 10px; font-family: var(--font-body); font-size: 0.9rem;
  color: var(--navy); outline: none; transition: border-color var(--transition), box-shadow var(--transition);
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  border-color: var(--signal-blue); box-shadow: 0 0 0 3px rgba(30,111,217,0.12);
}
.form-group textarea { resize: vertical; min-height: 130px; }
.contact-info-card {
  background: var(--sky-mist); border-radius: var(--radius-lg);
  padding: 32px; height: fit-content;
}
.contact-info-card h3 { font-family: var(--font-display); font-weight: 700; font-size: 1.1rem; margin-bottom: 20px; }
.contact-item { display: flex; align-items: flex-start; gap: 12px; margin-bottom: 20px; }
.contact-item-icon {
  width: 38px; height: 38px; background: var(--warm-white);
  border-radius: 10px; display: flex; align-items: center; justify-content: center;
  color: var(--signal-blue); flex-shrink: 0;
}
.contact-item h4 { font-size: 0.85rem; font-weight: 600; margin-bottom: 2px; }
.contact-item p { font-size: 0.82rem; color: var(--slate); }
.map-placeholder {
  background: linear-gradient(135deg, var(--navy) 0%, #1a3358 100%);
  border-radius: var(--radius); height: 180px; margin-top: 20px;
  display: flex; align-items: center; justify-content: center; color: rgba(255,255,255,0.5);
  font-size: 0.85rem; gap: 8px;
}

/* --- Legal Pages --- */
.legal-content h2 { font-family: var(--font-display); font-size: 1.3rem; font-weight: 700; margin: 36px 0 14px; color: var(--navy); }
.legal-content h3 { font-family: var(--font-display); font-size: 1.05rem; font-weight: 700; margin: 24px 0 10px; }
.legal-content p { font-size: 0.92rem; color: var(--slate); line-height: 1.75; margin-bottom: 14px; }
.legal-content ul { margin: 0 0 14px 20px; }
.legal-content li { font-size: 0.92rem; color: var(--slate); line-height: 1.7; margin-bottom: 6px; }
.legal-content strong { color: var(--navy); }
.legal-last-updated {
  font-size: 0.8rem; color: var(--slate-light);
  border-bottom: 1px solid var(--border); padding-bottom: 20px; margin-bottom: 20px;
}

/* --- Mega Footer --- */
.footer {
  background: var(--navy); color: rgba(255,255,255,0.8);
  padding: 64px 0 0;
}
[data-theme="dark"] .footer { background: #070F1A; }
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px; padding-bottom: 48px; border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-brand { max-width: 300px; }
.footer-brand-logo {
  display: flex; align-items: center; gap: 10px; text-decoration: none; margin-bottom: 16px;
}
.footer-brand-name { font-family: var(--font-display); font-weight: 800; font-size: 1.1rem; color: #fff; }
.footer-brand-tag { font-size: 0.62rem; color: var(--amber); font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; }
.footer-brand p { font-size: 0.83rem; line-height: 1.65; color: rgba(255,255,255,0.55); margin-bottom: 20px; }
.footer-socials { display: flex; gap: 8px; }
.footer-social-btn {
  width: 36px; height: 36px; border-radius: 8px;
  background: rgba(255,255,255,0.08); color: rgba(255,255,255,0.6);
  display: flex; align-items: center; justify-content: center;
  text-decoration: none; transition: all var(--transition);
}
.footer-social-btn:hover { background: var(--signal-blue); color: #fff; }
.footer-col h4 { color: #fff; font-family: var(--font-display); font-weight: 700; font-size: 0.9rem; margin-bottom: 16px; }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-col ul li a { font-size: 0.83rem; color: rgba(255,255,255,0.55); text-decoration: none; transition: color var(--transition); }
.footer-col ul li a:hover { color: rgba(255,255,255,0.9); }
.footer-newsletter { margin-top: 24px; }
.footer-newsletter h4 { color: #fff; font-size: 0.85rem; font-weight: 600; margin-bottom: 10px; }
.footer-newsletter-form { display: flex; gap: 6px; }
.footer-newsletter-form input {
  flex: 1; padding: 9px 14px;
  background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.15);
  border-radius: 8px; color: #fff; font-size: 0.82rem; outline: none;
  font-family: var(--font-body);
}
.footer-newsletter-form input::placeholder { color: rgba(255,255,255,0.4); }
.footer-newsletter-form button {
  padding: 9px 16px; background: var(--signal-blue); color: #fff;
  border: none; border-radius: 8px; font-size: 0.82rem; font-weight: 600;
  cursor: pointer; transition: background var(--transition);
}
.footer-newsletter-form button:hover { background: var(--signal-blue-hover); }
.footer-disclaimer {
  background: rgba(245,158,11,0.07); border-top: 1px solid rgba(245,158,11,0.2);
  padding: 20px 0; font-size: 0.78rem; color: rgba(255,255,255,0.4); line-height: 1.6;
}
.footer-bottom {
  padding: 20px 0; display: flex; align-items: center;
  justify-content: space-between; flex-wrap: gap; gap: 12px;
  font-size: 0.8rem; color: rgba(255,255,255,0.35);
}
.footer-bottom a { color: rgba(255,255,255,0.45); text-decoration: none; }
.footer-bottom a:hover { color: rgba(255,255,255,0.7); }
.footer-bottom-links { display: flex; gap: 16px; }

/* --- Back to Top --- */
.back-to-top {
  position: fixed; bottom: 28px; right: 28px; z-index: 500;
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--signal-blue); color: #fff; border: none;
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 16px rgba(30,111,217,0.35);
  opacity: 0; visibility: hidden; transform: translateY(8px);
  transition: all var(--transition);
}
.back-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(30,111,217,0.4); }

/* --- Animations --- */
.fade-in {
  opacity: 0; transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* --- Table --- */
.table-wrap { overflow-x: auto; border-radius: var(--radius); border: 1px solid var(--border); margin: 20px 0; }
table { width: 100%; border-collapse: collapse; font-size: 0.88rem; }
th { background: var(--sky-mist); padding: 12px 16px; text-align: left; font-weight: 600; font-size: 0.82rem; letter-spacing: 0.04em; text-transform: uppercase; color: var(--slate); }
td { padding: 12px 16px; border-top: 1px solid var(--border); color: var(--slate); vertical-align: middle; }
tr:hover td { background: var(--sky-mist); }

/* Tag */
.tag {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.07em;
  text-transform: uppercase; padding: 3px 10px; border-radius: 99px;
}
.tag-blue { background: var(--sky-mist); color: var(--signal-blue); }
.tag-amber { background: var(--amber-light); color: #92400E; }
.tag-green { background: #D1FAE5; color: #065F46; }

/* Progress Bar */
.progress-bar {
  height: 6px; background: var(--border); border-radius: 3px; overflow: hidden; margin: 8px 0;
}
.progress-bar-fill { height: 100%; background: var(--signal-blue); border-radius: 3px; transition: width 1s ease; }

/* === RESPONSIVE === */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
  .article-layout { grid-template-columns: 1fr; }
  .article-sidebar { position: static; }
  .contact-layout { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  section { padding: 56px 0; }
  .nav-links, .nav-actions .btn { display: none; }
  .nav-hamburger { display: flex; }
  .hero { padding: 72px 0 56px; }
  .hero-stats { gap: 20px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-brand { max-width: 100%; }
  .cta-section { padding: 40px 24px; margin: 0 16px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .guide-section { padding: 24px; }
  .blog-featured { padding: 28px; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}