/* ==========================================================================
   LOVE CALCULATOR - ADVANCED SEO & MODERN ROMANTIC STYLESHEET
   ========================================================================== */

:root {
  --bg-dark: #0c0714;
  --bg-surface: #170d24;
  --bg-card: rgba(30, 16, 46, 0.7);
  --bg-card-hover: rgba(43, 23, 66, 0.85);
  
  --primary: #ff2a6d;
  --primary-hover: #ff4785;
  --secondary: #9b5de5;
  --secondary-hover: #b07cf0;
  --accent: #ffd166;
  --pink-light: #ff758f;
  --pink-subtle: rgba(255, 42, 109, 0.12);

  --text-main: #f8fafc;
  --text-muted: #cbd5e1;
  --text-dim: #94a3b8;

  --border-glass: rgba(255, 255, 255, 0.1);
  --border-glow: rgba(255, 42, 109, 0.4);
  
  --shadow-neon: 0 0 25px rgba(255, 42, 109, 0.35);
  --shadow-purple: 0 0 30px rgba(155, 93, 229, 0.3);
  --shadow-card: 0 10px 40px -10px rgba(0, 0, 0, 0.5);

  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 9999px;

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  font-family: var(--font-sans);
  background-color: var(--bg-dark);
  color: var(--text-main);
  scroll-behavior: smooth;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-padding-top: 80px;
}

body {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  overflow-x: hidden;
  background: radial-gradient(circle at 50% 0%, #2a0e36 0%, #0c0714 60%);
  padding-top: env(safe-area-inset-top);
  padding-bottom: env(safe-area-inset-bottom);
  padding-left: env(safe-area-inset-left);
  padding-right: env(safe-area-inset-right);
}

/* Background Particle Canvas */
#ambient-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 0;
  opacity: 0.75;
}

/* Container */
.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 20px;
  position: relative;
  z-index: 1;
}

/* Header & Navigation */
.site-header {
  padding: 20px 0;
  border-bottom: 1px solid var(--border-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(12, 7, 20, 0.85);
}

.nav-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text-main);
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: -0.5px;
}

.brand-icon {
  width: 36px;
  height: 36px;
  filter: drop-shadow(0 0 8px var(--primary));
  animation: pulseHeart 2s infinite ease-in-out;
}

.nav-links {
  display: none;
  gap: 24px;
  list-style: none;
}

@media (min-width: 768px) {
  .nav-links {
    display: flex;
  }
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: color var(--transition-fast);
}

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

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

.icon-btn {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border-glass);
  color: var(--text-main);
  border-radius: var(--radius-full);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.1rem;
  transition: all var(--transition-fast);
}

.icon-btn:hover {
  background: var(--pink-subtle);
  border-color: var(--primary);
  transform: scale(1.05);
}

/* Hero Section */
.hero-section {
  padding: 48px 0 24px;
  text-align: center;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  background: var(--pink-subtle);
  border: 1px solid var(--border-glow);
  color: var(--pink-light);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 16px;
  box-shadow: var(--shadow-neon);
}

.hero-title {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 16px;
  letter-spacing: -1px;
}

.text-gradient {
  background: linear-gradient(135deg, #ff2a6d 0%, #ff758f 50%, #ffd166 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--text-muted);
  max-width: 680px;
  margin: 0 auto 36px;
}

/* Calculator Widget Card */
.calculator-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  max-width: 680px;
  margin: 0 auto 40px;
  position: relative;
  transition: border-color var(--transition-smooth);
}

.calculator-card:hover {
  border-color: var(--border-glow);
}

/* Tabs */
.tabs-nav {
  display: flex;
  border-bottom: 1px solid var(--border-glass);
  background: rgba(15, 8, 26, 0.6);
  overflow-x: auto;
}

.tab-btn {
  flex: 1;
  min-width: 130px;
  padding: 16px 12px;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: all var(--transition-fast);
  border-bottom: 2px solid transparent;
  white-space: nowrap;
}

.tab-btn:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.03);
}

.tab-btn.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
  background: var(--pink-subtle);
}

/* Tab Panes */
.tab-content {
  padding: 32px 24px;
}

.tab-pane {
  display: none;
}

.tab-pane.active {
  display: block;
  animation: fadeIn 0.3s ease;
}

/* Forms */
.calc-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.inputs-row {
  display: grid;
  grid-template-columns: 1fr;
  align-items: center;
  gap: 16px;
}

@media (min-width: 640px) {
  .inputs-row {
    grid-template-columns: 1fr auto 1fr;
  }
}

.input-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  text-align: left;
}

.input-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.text-input, .select-input {
  width: 100%;
  min-height: 48px; /* Touch target minimum */
  padding: 12px 18px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  color: var(--text-main);
  font-size: 16px !important; /* CRITICAL: Prevents iOS Safari input focus auto-zoom */
  font-family: inherit;
  transition: all var(--transition-fast);
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}

.select-input {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23ff2a6d' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  background-size: 16px;
  padding-right: 44px;
}

.select-input option {
  background: #170d24;
  color: #fff;
}

.text-input:focus, .select-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 15px rgba(255, 42, 109, 0.35);
  background: rgba(255, 255, 255, 0.1);
}

.heart-connector {
  font-size: 1.8rem;
  color: var(--primary);
  animation: pulseHeart 1.8s infinite;
  display: flex;
  justify-content: center;
}

.submit-btn {
  background: linear-gradient(135deg, var(--primary) 0%, #ff5e7e 100%);
  color: #ffffff;
  border: none;
  padding: 16px 28px;
  font-size: 1.1rem;
  font-weight: 700;
  border-radius: var(--radius-full);
  cursor: pointer;
  box-shadow: var(--shadow-neon);
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.submit-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 35px rgba(255, 42, 109, 0.6);
}

.submit-btn:active {
  transform: translateY(1px);
}

.calc-error {
  color: #ff6b6b;
  font-size: 0.9rem;
  font-weight: 500;
  min-height: 20px;
  margin-top: 8px;
  text-align: center;
}

/* ==========================================================================
   RESULTS CARD DASHBOARD
   ========================================================================== */
.result-card {
  background: linear-gradient(180deg, rgba(35, 17, 54, 0.85) 0%, rgba(20, 10, 32, 0.95) 100%);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 2px solid var(--border-glow);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-neon), var(--shadow-card);
  padding: 40px 28px;
  margin: 0 auto 60px;
  max-width: 720px;
  text-align: center;
  position: relative;
  overflow: hidden;
  transition: all var(--transition-smooth);
}

.result-card.hidden {
  display: none;
}

.result-badge {
  display: inline-block;
  padding: 4px 16px;
  border-radius: var(--radius-full);
  background: var(--pink-subtle);
  border: 1px solid var(--primary);
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 12px;
}

.result-couple-names {
  font-size: clamp(1.5rem, 3.5vw, 2.2rem);
  font-weight: 800;
  color: #fff;
  margin-bottom: 24px;
}

/* Circular Meter */
.meter-wrapper {
  position: relative;
  width: 170px;
  height: 170px;
  margin: 0 auto 24px;
}

.progress-ring {
  transform: rotate(-90deg);
}

.progress-ring__circle-bg {
  stroke: rgba(255, 255, 255, 0.08);
}

.progress-ring__circle {
  stroke: url(#meterGrad);
  stroke-dasharray: 440;
  stroke-dashoffset: 440;
  transition: stroke-dashoffset 1.2s ease-out;
}

.meter-inner-content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.meter-percentage {
  font-size: 3rem;
  font-weight: 900;
  line-height: 1;
  background: linear-gradient(135deg, #fff 0%, #ffd166 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.meter-label {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--pink-light);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-top: 4px;
}

.result-tier-title {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 12px;
}

.result-description {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 580px;
  margin: 0 auto 20px;
  line-height: 1.6;
}

.result-advice-box {
  background: rgba(255, 255, 255, 0.04);
  border-left: 4px solid var(--primary);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  margin: 0 auto 32px;
  max-width: 580px;
  text-align: left;
}

.result-advice-box strong {
  color: #fff;
  display: block;
  margin-bottom: 4px;
  font-size: 0.95rem;
}

.result-advice-box p {
  color: var(--text-dim);
  font-size: 0.9rem;
}

/* Subscores */
.subscores-container {
  max-width: 540px;
  margin: 0 auto 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.subscore-row {
  text-align: left;
}

.subscore-info {
  display: flex;
  justify-content: space-between;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text-muted);
}

.subscore-val {
  color: var(--accent);
}

.subscore-bar {
  height: 10px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.subscore-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary) 0%, #ff758f 100%);
  border-radius: var(--radius-full);
  transition: width 1s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Action Buttons */
.result-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border-glass);
  color: var(--text-main);
  padding: 12px 22px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: var(--text-muted);
  transform: translateY(-2px);
}

/* ==========================================================================
   FEATURE HIGHLIGHTS & TRUST SIGNALS
   ========================================================================== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin: 40px 0 80px;
}

.feature-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 24px;
  text-align: left;
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-glow);
}

.feature-icon {
  font-size: 2rem;
  margin-bottom: 12px;
  display: inline-block;
}

.feature-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
}

.feature-card p {
  color: var(--text-dim);
  font-size: 0.9rem;
  line-height: 1.5;
}

/* ==========================================================================
   SEO EDITORIAL CONTENT & GUIDES (FOR #1 GOOGLE RANKING)
   ========================================================================== */
.seo-article {
  background: rgba(23, 13, 36, 0.5);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: clamp(28px, 5vw, 60px);
  margin-bottom: 60px;
}

.article-header {
  margin-bottom: 36px;
  text-align: center;
}

.article-category {
  color: var(--primary);
  font-weight: 700;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.article-header h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 800;
  margin: 8px 0 12px;
  letter-spacing: -0.5px;
}

.article-content h3 {
  font-size: 1.4rem;
  font-weight: 700;
  color: #fff;
  margin: 36px 0 16px;
}

.article-content p {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 18px;
}

.article-content ul, .article-content ol {
  margin: 0 0 24px 24px;
  color: var(--text-muted);
}

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

/* Info Grid / Zodiac Table */
.zodiac-table-wrapper {
  overflow-x: auto;
  margin: 24px 0 36px;
}

.seo-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  background: rgba(12, 7, 20, 0.6);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.seo-table th, .seo-table td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-glass);
  font-size: 0.95rem;
}

.seo-table th {
  background: rgba(255, 42, 109, 0.15);
  color: #fff;
  font-weight: 700;
}

.seo-table tr:hover {
  background: rgba(255, 255, 255, 0.03);
}

/* ==========================================================================
   FAQ ACCORDION (TARGETING GOOGLE PEOPLE ALSO ASK)
   ========================================================================== */
.faq-section {
  margin-bottom: 60px;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: var(--bg-surface);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.faq-item:hover {
  border-color: rgba(255, 255, 255, 0.2);
}

.faq-question {
  width: 100%;
  text-align: left;
  padding: 18px 24px;
  background: none;
  border: none;
  color: #fff;
  font-size: 1.05rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.faq-icon {
  font-size: 1.2rem;
  transition: transform var(--transition-fast);
  color: var(--primary);
}

.faq-question[aria-expanded="true"] .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  display: none;
  padding: 0 24px 20px;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

.faq-answer.active {
  display: block;
  animation: fadeIn 0.25s ease;
}

/* ==========================================================================
   MODALS (EMBED & SHARE)
   ========================================================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 100;
}

.modal-overlay.hidden {
  display: none;
}

.modal-content {
  background: #170d24;
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-lg);
  padding: 32px;
  max-width: 540px;
  width: 100%;
  box-shadow: var(--shadow-card), var(--shadow-neon);
  position: relative;
}

.modal-close {
  position: absolute;
  top: 18px;
  right: 18px;
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 1.5rem;
  cursor: pointer;
  transition: color var(--transition-fast);
}

.modal-close:hover {
  color: #fff;
}

.embed-textarea {
  width: 100%;
  height: 120px;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  color: #ffd166;
  font-family: monospace;
  font-size: 0.85rem;
  padding: 12px;
  margin: 16px 0;
  resize: none;
}

/* ==========================================================================
   FOOTER & COMPLIANCE
   ========================================================================== */
.site-footer {
  border-top: 1px solid var(--border-glass);
  padding: 48px 0 32px;
  color: var(--text-dim);
  font-size: 0.88rem;
  text-align: center;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 20px;
  list-style: none;
  margin: 16px 0 24px;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

.disclaimer-text {
  max-width: 680px;
  margin: 0 auto 16px;
  font-size: 0.8rem;
  line-height: 1.5;
  color: #64748b;
}

/* Animations */
@keyframes pulseHeart {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.15); }
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ==========================================================================
   ON-PAGE SEO COMPONENTS: E-E-A-T, JUMP PILLS, PERCENTAGE GUIDE
   ========================================================================== */
.quick-nav-bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin: 20px auto 36px;
  max-width: 860px;
}

.quick-nav-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-glass);
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 500;
  transition: all var(--transition-fast);
}

.quick-nav-pill:hover {
  background: var(--pink-subtle);
  border-color: var(--primary);
  color: #fff;
  transform: translateY(-2px);
}

/* E-E-A-T Trust & Review Box */
.eeat-badge-card {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: rgba(255, 42, 109, 0.07);
  border: 1px solid rgba(255, 42, 109, 0.25);
  border-radius: var(--radius-md);
  padding: 16px 24px;
  margin: 24px auto 36px;
  max-width: 800px;
}

.eeat-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.eeat-icon {
  font-size: 1.3rem;
}

.review-stars {
  color: #ffd166;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 4px;
}

/* Key Takeaway Box */
.key-takeaway-box {
  background: rgba(155, 93, 229, 0.1);
  border-left: 4px solid var(--secondary);
  border-radius: var(--radius-sm);
  padding: 18px 22px;
  margin: 24px 0;
}

.key-takeaway-box h4 {
  color: #ffd166;
  font-size: 1.05rem;
  margin-bottom: 6px;
}

.key-takeaway-box p {
  color: var(--text-muted);
  font-size: 0.92rem;
  margin-bottom: 0 !important;
}

/* Percentage Meaning Badges */
.pct-badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  font-weight: 700;
  text-align: center;
}

.pct-twinflame {
  background: rgba(255, 42, 109, 0.2);
  color: #ff5e7e;
  border: 1px solid #ff2a6d;
}

.pct-soulmate {
  background: rgba(155, 93, 229, 0.2);
  color: #b07cf0;
  border: 1px solid #9b5de5;
}

.pct-harmony {
  background: rgba(255, 209, 102, 0.2);
  color: #ffd166;
  border: 1px solid #ffd166;
}

.pct-spark {
  background: rgba(6, 214, 160, 0.2);
  color: #06d6a0;
  border: 1px solid #06d6a0;
}

.pct-catalyst {
  background: rgba(77, 171, 247, 0.2);
  color: #4dabf7;
  border: 1px solid #4dabf7;
}

/* ==========================================================================
   ADVANCED RESPONSIVE & CROSS-BROWSER SUITE
   Supports 320px (iPhone SE/Galaxy Fold) up to 4K, Safari, Chrome, Firefox, Edge
   ========================================================================== */

/* Touch Ergonomics & Elimination of 300ms Click Delay */
.tab-btn, .submit-btn, .btn-secondary, .faq-question, .quick-nav-pill, .icon-btn {
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  min-height: 48px; /* Accessible minimum touch target */
}

/* Tablets & Small Laptops (max-width: 1024px) */
@media (max-width: 1024px) {
  .container {
    max-width: 920px;
  }
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Tablets (max-width: 768px) */
@media (max-width: 768px) {
  .site-header {
    padding: 14px 0;
  }
  .brand-logo {
    font-size: 1.25rem;
  }
  .nav-links {
    display: none;
  }
  .hero-section {
    padding: 32px 0 16px;
  }
  .hero-title {
    font-size: clamp(1.85rem, 6vw, 2.6rem);
  }
  .hero-subtitle {
    font-size: 0.95rem;
    padding: 0 8px;
    margin-bottom: 24px;
  }
  .features-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }
  .seo-article {
    padding: 24px 18px;
  }
}

/* Mobile Devices (max-width: 640px) */
@media (max-width: 640px) {
  .container {
    padding: 0 16px;
  }
  .calculator-card {
    border-radius: var(--radius-md);
    margin: 0 auto 32px;
  }
  .tab-content {
    padding: 24px 16px;
  }
  .inputs-row {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .heart-connector {
    font-size: 1.5rem;
  }
  .result-card {
    padding: 28px 16px;
    border-radius: var(--radius-md);
    margin-bottom: 40px;
  }
  .result-couple-names {
    font-size: 1.5rem;
    word-break: break-word;
    overflow-wrap: break-word;
  }
  .result-actions {
    flex-direction: column;
    width: 100%;
    gap: 10px;
  }
  .result-actions button,
  .result-actions a {
    width: 100%;
    justify-content: center;
    padding: 14px 20px;
  }
  .modal-content {
    padding: 24px 18px;
    margin: 0 12px;
  }
  .footer-links {
    flex-direction: column;
    gap: 10px;
  }
  .zodiac-table-wrapper {
    margin: 16px 0 24px;
  }
}

/* Ultra-Narrow Screens (max-width: 380px: iPhone SE, Fold) */
@media (max-width: 380px) {
  .container {
    padding: 0 10px;
  }
  .hero-title {
    font-size: 1.6rem;
  }
  .tab-btn {
    min-width: 95px;
    padding: 10px 6px;
    font-size: 0.78rem;
    gap: 4px;
  }
  .meter-wrapper {
    width: 135px;
    height: 135px;
  }
  .progress-ring {
    width: 135px;
    height: 135px;
  }
  .meter-percentage {
    font-size: 2.1rem;
  }
  .quick-nav-pill {
    padding: 5px 8px;
    font-size: 0.75rem;
  }
}

/* Smooth Horizontal Scroll for Tables */
.zodiac-table-wrapper {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 20px 0 32px;
  border-radius: var(--radius-md);
  box-shadow: inset 0 0 12px rgba(0, 0, 0, 0.4);
}

.zodiac-table-wrapper::-webkit-scrollbar {
  height: 6px;
}
.zodiac-table-wrapper::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.04);
}
.zodiac-table-wrapper::-webkit-scrollbar-thumb {
  background: var(--primary);
  border-radius: 3px;
}

.seo-table {
  min-width: 520px; /* Prevents text squishing on mobile screens */
}

/* Accessible Focus Outlines */
:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
}

/* Print Styles */
@media print {
  #ambient-canvas, .site-header, .site-footer, .result-actions, .quick-nav-bar {
    display: none !important;
  }
  body {
    background: #fff;
    color: #000;
  }
  .result-card {
    border: 2px solid #000;
    box-shadow: none;
    color: #000;
  }
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* ==========================================================================
   INTERNATIONALIZATION (i18n) & LANGUAGE SWITCHER
   ========================================================================== */
.lang-selector-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-full);
  padding: 8px 16px;
  color: var(--text-main);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  touch-action: manipulation;
}

.lang-selector-btn:hover {
  background: rgba(255, 42, 109, 0.15);
  border-color: var(--primary);
  color: #fff;
  transform: translateY(-1px);
}

.lang-icon {
  font-size: 1.1rem;
}

.lang-chevron {
  font-size: 0.65rem;
  color: var(--text-dim);
  transition: transform var(--transition-fast);
}

.lang-modal-content {
  max-width: 760px;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
}

.lang-modal-header {
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.lang-modal-header h3 {
  color: #fff;
  font-size: 1.35rem;
  font-weight: 700;
}

.lang-search-box {
  width: 100%;
  padding: 12px 18px;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  color: #fff;
  font-size: 0.95rem;
  outline: none;
  transition: border-color var(--transition-fast);
}

.lang-search-box:focus {
  border-color: var(--primary);
  box-shadow: 0 0 12px rgba(255, 42, 109, 0.3);
}

.lang-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 10px;
  overflow-y: auto;
  max-height: 55vh;
  padding-right: 6px;
}

.lang-grid::-webkit-scrollbar {
  width: 6px;
}
.lang-grid::-webkit-scrollbar-thumb {
  background: var(--primary);
  border-radius: 3px;
}

.lang-item-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.88rem;
  transition: all var(--transition-fast);
}

.lang-item-link:hover, .lang-item-link.active {
  background: rgba(255, 42, 109, 0.18);
  border-color: var(--primary);
  color: #fff;
  transform: translateY(-1px);
}

.lang-item-flag {
  font-size: 1.25rem;
}

.lang-item-names {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.lang-item-native {
  font-weight: 600;
  color: #fff;
}

.lang-item-english {
  font-size: 0.72rem;
  color: var(--text-dim);
}

/* RTL Language Support (Arabic, Hebrew, Persian, Urdu) */
[dir="rtl"] {
  direction: rtl;
  text-align: right;
}

[dir="rtl"] .faq-question {
  text-align: right;
}

[dir="rtl"] .select-input {
  background-position: left 16px center;
  padding-left: 44px;
  padding-right: 18px;
}

[dir="rtl"] .key-takeaway-box {
  border-left: none;
  border-right: 4px solid var(--secondary);
}

[dir="rtl"] .modal-close {
  right: auto;
  left: 18px;
}