/* =============================================
   TodayTimeAndDate.com - Main Stylesheet
   Design: Midnight Blue + Electric Cyan + White
   Font: Inter (body) + Space Mono (clock/data)
   ============================================= */

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

:root {
  --color-bg: #0a0f1e;
  --color-surface: #111827;
  --color-surface2: #1a2237;
  --color-border: #1e2d4a;
  --color-accent: #00d4ff;
  --color-accent2: #7c3aed;
  --color-text: #e2e8f0;
  --color-muted: #8b9cbf;
  --color-white: #ffffff;
  --color-hero-bg: linear-gradient(135deg, #0a0f1e 0%, #0d1b3e 50%, #0a0f1e 100%);
  --color-card-bg: #111827;
  --color-card-hover: #1a2237;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 4px 24px rgba(0, 212, 255, 0.08);
  --shadow-hover: 0 8px 40px rgba(0, 212, 255, 0.18);
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'Space Mono', 'Courier New', monospace;
  --transition: 0.2s ease;
  --max-w: 1200px;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background-color: var(--color-bg);
  color: var(--color-text);
  font-size: 16px;
  line-height: 1.6;
  min-height: 100vh;
}

a { color: var(--color-accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: #ffffff; }
a:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 3px; border-radius: 3px; }

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

/* === CONTAINER === */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 20px;
}

/* === HEADER === */
.site-header {
  background: rgba(10, 15, 30, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: 16px;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}

.logo-icon {
  font-size: 28px;
  line-height: 1;
}

.logo-text {
  font-family: var(--font-body);
  font-size: 20px;
  font-weight: 800;
  color: var(--color-white);
  letter-spacing: -0.5px;
}

.logo-accent { color: var(--color-accent); }
.logo-tld { color: var(--color-muted); font-weight: 600; font-size: 16px; }

.header-clock-mini {
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--color-accent);
  background: rgba(0, 212, 255, 0.08);
  border: 1px solid rgba(0, 212, 255, 0.2);
  padding: 6px 14px;
  border-radius: 20px;
  letter-spacing: 1px;
  min-width: 160px;
  text-align: center;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: var(--transition);
}

/* === NAVIGATION === */
.site-nav {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  position: relative;
  z-index: 999;
}

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

.nav-list {
  display: flex;
  list-style: none;
  gap: 0;
  flex-wrap: wrap;
}

.nav-item { position: relative; }

.nav-link {
  display: block;
  padding: 14px 16px;
  color: var(--color-text);
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
  transition: var(--transition);
  border-bottom: 2px solid transparent;
}

.nav-link:hover,
.nav-item:hover .nav-link {
  color: var(--color-accent);
  background: rgba(0, 212, 255, 0.05);
  border-bottom-color: var(--color-accent);
}

.dropdown {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--color-surface2);
  border: 1px solid var(--color-border);
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  min-width: 220px;
  list-style: none;
  box-shadow: 0 12px 40px rgba(0,0,0,0.4);
  z-index: 9999;
}

.nav-item:hover .dropdown { display: block; }

.dropdown li a {
  display: block;
  padding: 10px 18px;
  color: var(--color-muted);
  font-size: 14px;
  transition: var(--transition);
  border-bottom: 1px solid rgba(30,45,74,0.5);
}

.dropdown li:last-child a { border-bottom: none; }

.dropdown li a:hover {
  color: var(--color-accent);
  background: rgba(0, 212, 255, 0.05);
  padding-left: 24px;
}

.nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  z-index: 998;
}

/* === HERO SECTION === */
.hero-section {
  background: var(--color-hero-bg);
  padding: 60px 0 50px;
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0,212,255,0.06) 0%, transparent 70%);
  pointer-events: none;
}

.hero-section::after {
  content: '';
  position: absolute;
  bottom: -100px;
  left: -200px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(124,58,237,0.05) 0%, transparent 70%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: center;
  position: relative;
  z-index: 1;
}

/* === LIVE CLOCK === */
.clock-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 40px;
  text-align: center;
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}

.clock-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent2), var(--color-accent));
}

.clock-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--color-muted);
  margin-bottom: 16px;
}

.live-clock {
  font-family: var(--font-mono);
  font-size: clamp(48px, 8vw, 72px);
  font-weight: 700;
  color: var(--color-white);
  letter-spacing: 2px;
  line-height: 1;
  margin-bottom: 8px;
}

.colon { color: var(--color-accent); }
.blink { animation: blink 1s step-start infinite; }
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0.2; } }

.live-ampm {
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 12px;
}

.live-date {
  font-size: 16px;
  color: var(--color-text);
  font-weight: 500;
  margin-bottom: 12px;
}

.timezone-badge {
  display: inline-block;
  background: rgba(0,212,255,0.1);
  border: 1px solid rgba(0,212,255,0.25);
  color: var(--color-accent);
  padding: 4px 14px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.5px;
}

/* === QUICK INFO PANEL === */
.quick-info-panel {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.info-tile {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 14px;
  transition: var(--transition);
}

.info-tile:hover {
  background: var(--color-surface2);
  border-color: rgba(0,212,255,0.3);
}

.info-icon { font-size: 28px; flex-shrink: 0; }

.info-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-muted);
  font-weight: 600;
  margin-bottom: 4px;
}

.info-value {
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 700;
  color: var(--color-white);
}

/* === SECTION BLOCKS === */
.section-block {
  padding: 60px 0;
}

.bg-light {
  background: var(--color-surface);
}

.section-header {
  text-align: center;
  margin-bottom: 40px;
}

.section-title {
  font-size: 28px;
  font-weight: 800;
  color: var(--color-white);
  margin-bottom: 8px;
}

.section-sub {
  font-size: 15px;
  color: var(--color-muted);
}

/* === WORLD CLOCK GRID === */
.world-clock-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 14px;
  margin-bottom: 32px;
}

.world-clock-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 18px 16px;
  text-align: center;
  transition: var(--transition);
}

.wc-bg-light .world-clock-item { background: var(--color-bg); }

.world-clock-item:hover {
  border-color: var(--color-accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

.wc-city {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 6px;
}

.wc-time {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  color: var(--color-white);
}

.wc-tz {
  font-size: 11px;
  color: var(--color-accent);
  margin-top: 4px;
}

/* === TOOLS GRID === */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 18px;
}

.tool-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
  transition: all var(--transition);
  display: block;
  text-decoration: none;
}

.tool-card:hover {
  background: var(--color-surface2);
  border-color: var(--color-accent);
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

.tool-icon { font-size: 36px; margin-bottom: 12px; }

.tool-name {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 8px;
}

.tool-desc {
  font-size: 13px;
  color: var(--color-muted);
  line-height: 1.5;
}

/* === ADS === */
.ad-container {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: 12px;
  text-align: center;
}

.ad-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-muted);
  margin-bottom: 8px;
}

.ad-placeholder {
  display: inline-block;
  border: 1px dashed var(--color-border);
  color: var(--color-muted);
  font-size: 13px;
  padding: 20px 40px;
  border-radius: var(--radius-sm);
  min-width: 300px;
}

/* === BUTTONS === */
.btn-outline {
  display: inline-block;
  border: 1px solid var(--color-accent);
  color: var(--color-accent);
  padding: 10px 28px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 14px;
  transition: all var(--transition);
  text-decoration: none;
}

.btn-outline:hover {
  background: var(--color-accent);
  color: var(--color-bg);
}

.btn-primary {
  display: inline-block;
  background: var(--color-accent);
  color: var(--color-bg);
  padding: 12px 32px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 15px;
  transition: all var(--transition);
  text-decoration: none;
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
  background: #00b8d9;
  color: var(--color-bg);
  transform: translateY(-1px);
}

.center-link { text-align: center; margin-top: 24px; }

/* === ARTICLE CONTENT === */
.content-narrow { max-width: 760px; }

.article-heading {
  font-size: 26px;
  font-weight: 800;
  color: var(--color-white);
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--color-border);
}

.article-sub {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-white);
  margin: 28px 0 12px;
}

.article-text {
  font-size: 15px;
  color: var(--color-text);
  line-height: 1.8;
  margin-bottom: 16px;
}

.article-text a {
  color: var(--color-accent);
  text-decoration: underline;
}

/* === WORLD CLOCK PAGE === */
.search-bar {
  display: flex;
  gap: 10px;
  margin-bottom: 32px;
}

.search-bar input {
  flex: 1;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 12px 18px;
  color: var(--color-text);
  font-size: 15px;
  font-family: var(--font-body);
  transition: var(--transition);
}

.search-bar input:focus {
  outline: none;
  border-color: var(--color-accent);
  background: var(--color-surface2);
}

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

/* === CALENDAR === */
.calendar-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-surface);
  border-radius: var(--radius);
  overflow: hidden;
}

.calendar-table th {
  background: var(--color-surface2);
  color: var(--color-accent);
  padding: 12px 8px;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 700;
  text-align: center;
}

.calendar-table td {
  padding: 12px 8px;
  text-align: center;
  border: 1px solid var(--color-border);
  color: var(--color-text);
  font-size: 14px;
  transition: var(--transition);
}

.calendar-table td:hover {
  background: rgba(0,212,255,0.08);
  color: var(--color-accent);
  cursor: pointer;
}

.calendar-table td.today {
  background: var(--color-accent);
  color: var(--color-bg) !important;
  font-weight: 800;
  border-radius: 4px;
}

.calendar-table td.weekend { color: #ff6b6b; }
.calendar-table td.other-month { color: var(--color-border); }

/* === COUNTDOWN / STOPWATCH PAGE === */
.timer-display {
  font-family: var(--font-mono);
  font-size: clamp(48px, 10vw, 96px);
  font-weight: 700;
  color: var(--color-white);
  text-align: center;
  letter-spacing: 4px;
  padding: 40px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  margin-bottom: 24px;
}

.timer-controls {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

/* === PAGE HERO === */
.page-hero {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: 40px 0;
}

.page-hero h1 {
  font-size: clamp(26px, 4vw, 40px);
  font-weight: 800;
  color: var(--color-white);
  margin-bottom: 8px;
}

.page-hero p {
  font-size: 16px;
  color: var(--color-muted);
}

/* === FOOTER === */
.site-footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: 60px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
}

.footer-logo {
  font-size: 18px;
  font-weight: 800;
  color: var(--color-white);
  text-decoration: none;
  display: block;
  margin-bottom: 12px;
}

.footer-tagline {
  font-size: 13px;
  color: var(--color-muted);
  line-height: 1.6;
  margin-bottom: 16px;
}

.footer-social {
  display: flex;
  gap: 10px;
}

.footer-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  background: var(--color-surface2);
  border: 1px solid var(--color-border);
  border-radius: 50%;
  color: var(--color-muted);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  transition: var(--transition);
}

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

.footer-col-title {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--color-accent);
  margin-bottom: 16px;
}

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

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

.footer-links a {
  font-size: 13px;
  color: var(--color-muted);
  text-decoration: none;
  transition: var(--transition);
}

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

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding: 20px 0;
  text-align: center;
  font-size: 12px;
  color: var(--color-muted);
}

/* === RESPONSIVE === */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 768px) {
  .hero-grid { grid-template-columns: 1fr; }
  .quick-info-panel { grid-template-columns: 1fr 1fr; }
  .tools-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }

  .site-nav { display: none; }
  .site-nav.mobile-open {
    display: block;
    position: fixed;
    top: 65px;
    left: 0;
    right: 0;
    bottom: 0;
    overflow-y: auto;
    background: var(--color-bg);
    z-index: 999;
  }

  .nav-list { flex-direction: column; gap: 0; }
  .nav-link { padding: 16px 20px; font-size: 16px; border-bottom: 1px solid var(--color-border); }
  .dropdown { display: block; position: static; box-shadow: none; background: var(--color-surface); }
  .dropdown li a { padding-left: 36px; }

  .hamburger { display: flex; }
  .header-clock-mini { font-size: 13px; padding: 5px 10px; min-width: auto; }
  .logo-text { font-size: 17px; }

  .world-clock-grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); }
}

@media (max-width: 480px) {
  .tools-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .quick-info-panel { grid-template-columns: 1fr; }
  .live-clock { font-size: 48px; }
  .clock-card { padding: 24px 20px; }
  .section-block { padding: 40px 0; }
}

/* === REDUCED MOTION === */
@media (prefers-reduced-motion: reduce) {
  .blink { animation: none; }
  * { transition: none !important; animation: none !important; }
}