/**
 * TexasHSVSingles.com - Main Stylesheet
 * Modern, Trustworthy, Mobile-First Design System
 */

:root {
  /* Brand Color Palette */
  --color-primary: #0f2537;       /* Lone Star Deep Navy */
  --color-primary-light: #1e3a5f;
  --color-primary-dark: #0a1824;
  --color-accent: #e65f4f;        /* Warm Texas Sunset Coral */
  --color-accent-hover: #d04838;
  --color-accent-light: #fdf2f0;
  --color-sage: #2d7a58;          /* Wellness & Trust Sage */
  --color-sage-light: #ebf5f0;
  --color-gold: #d97706;

  /* Neutrals & Surfaces */
  --bg-page: #fbf9f5;             /* Warm, organic canvas */
  --bg-surface: #ffffff;
  --bg-surface-alt: #f4f1ea;
  --bg-surface-muted: #f8fafc;
  --border-color: #e2e8f0;
  --border-subtle: #edf2f7;

  /* Text Colors */
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --text-inverse: #ffffff;

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-display: 'Outfit', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Elevation & Shadows */
  --shadow-sm: 0 2px 4px rgba(15, 37, 55, 0.04);
  --shadow-md: 0 6px 16px rgba(15, 37, 55, 0.08);
  --shadow-lg: 0 12px 32px rgba(15, 37, 55, 0.12);
  --shadow-xl: 0 20px 48px rgba(15, 37, 55, 0.16);

  /* Radii */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Layout */
  --max-width: 1240px;
  --nav-height: 72px;
  --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

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

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-page);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  padding-bottom: 70px; /* Space for mobile sticky bar */
}

@media (min-width: 768px) {
  body {
    padding-bottom: 0;
  }
}

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

input, button, textarea, select {
  font: inherit;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

/* Accessibility Focus States */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 3px;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
}

@media (min-width: 1024px) {
  .container {
    padding-left: 32px;
    padding-right: 32px;
  }
}

/* Typography Hierarchy */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.25;
}

h1 {
  font-size: 2.25rem;
  letter-spacing: -0.02em;
}

h2 {
  font-size: 1.85rem;
  letter-spacing: -0.015em;
  margin-bottom: 12px;
}

h3 {
  font-size: 1.35rem;
  margin-bottom: 8px;
}

h4 {
  font-size: 1.15rem;
}

p {
  color: var(--text-secondary);
  font-size: 1rem;
  margin-bottom: 16px;
}

p.lead {
  font-size: 1.15rem;
  line-height: 1.7;
  color: var(--text-secondary);
}

@media (min-width: 768px) {
  h1 { font-size: 3.25rem; }
  h2 { font-size: 2.4rem; }
  h3 { font-size: 1.6rem; }
  p.lead { font-size: 1.25rem; }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 12px 24px;
  border-radius: var(--radius-full);
  transition: var(--transition);
  text-align: center;
  white-space: nowrap;
  user-select: none;
}

.btn-lg {
  padding: 16px 32px;
  font-size: 1.1rem;
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.875rem;
}

.btn-primary {
  background-color: var(--color-accent);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(230, 95, 79, 0.35);
}

.btn-primary:hover {
  background-color: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(230, 95, 79, 0.45);
}

.btn-secondary {
  background-color: var(--bg-surface);
  color: var(--color-primary);
  border: 1.5px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  background-color: var(--bg-surface-muted);
  border-color: var(--color-primary);
  transform: translateY(-2px);
}

.btn-navy {
  background-color: var(--color-primary);
  color: #ffffff;
}

.btn-navy:hover {
  background-color: var(--color-primary-light);
  transform: translateY(-2px);
}

.btn-outline-white {
  background-color: transparent;
  color: #ffffff;
  border: 2px solid rgba(255, 255, 255, 0.7);
}

.btn-outline-white:hover {
  background-color: #ffffff;
  color: var(--color-primary);
}

/* Section Wrapper Utilities */
.section {
  padding: 64px 0;
  position: relative;
}

@media (min-width: 768px) {
  .section {
    padding: 96px 0;
  }
}

.section-muted {
  background-color: var(--bg-surface-alt);
}

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

.section-navy {
  background-color: var(--color-primary);
  color: var(--text-inverse);
}

.section-navy h1,
.section-navy h2,
.section-navy h3 {
  color: var(--text-inverse);
}

.section-navy p {
  color: #cbd5e1;
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 48px auto;
}

.section-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  background-color: var(--color-accent-light);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  margin-bottom: 12px;
}

.section-tag.tag-sage {
  color: var(--color-sage);
  background-color: var(--color-sage-light);
}

.section-tag.tag-navy {
  color: var(--color-primary);
  background-color: #e2e8f0;
}

/* Badges & Trust Pills */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: var(--radius-full);
}

.badge-verified {
  background-color: var(--color-sage-light);
  color: var(--color-sage);
  border: 1px solid rgba(45, 122, 88, 0.2);
}

.badge-hsv {
  background-color: #f1f5f9;
  color: var(--color-primary);
  border: 1px solid var(--border-color);
}

.badge-privacy {
  background-color: #eff6ff;
  color: #2563eb;
  border: 1px solid #bfdbfe;
}

.badge-live {
  background-color: #ecfdf5;
  color: #059669;
}

.badge-live::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: #10b981;
  animation: pulse-dot 1.5s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

/* Header & Nav */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.8);
  height: var(--nav-height);
  display: flex;
  align-items: center;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: -0.02em;
}

.logo-star {
  color: var(--color-accent);
  font-size: 1.25rem;
}

.logo-tag {
  color: var(--color-accent);
  font-weight: 800;
}

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

.nav-link {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-secondary);
  position: relative;
  padding: 6px 0;
}

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

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--color-accent);
  border-radius: 2px;
}

.nav-actions {
  display: none;
  align-items: center;
  gap: 12px;
}

.mobile-menu-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  color: var(--color-primary);
  font-size: 1.5rem;
}

@media (min-width: 992px) {
  .nav-links {
    display: flex;
  }
  .nav-actions {
    display: flex;
  }
  .mobile-menu-btn {
    display: none;
  }
}

/* Mobile Nav Drawer */
.mobile-drawer {
  position: fixed;
  top: 0;
  right: -100%;
  width: 85%;
  max-width: 360px;
  height: 100vh;
  background-color: var(--bg-surface);
  z-index: 2000;
  box-shadow: var(--shadow-xl);
  transition: right 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  padding: 24px;
  display: flex;
  flex-direction: column;
}

.mobile-drawer.open {
  right: 0;
}

.drawer-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(15, 37, 55, 0.5);
  backdrop-filter: blur(4px);
  z-index: 1999;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease;
}

.drawer-overlay.open {
  opacity: 1;
  visibility: visible;
}

.drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 24px;
}

.drawer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: auto;
}

.drawer-link {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 0;
}

.drawer-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding-top: 24px;
  border-top: 1px solid var(--border-color);
}

/* Mobile Sticky Bottom CTA Bar */
.mobile-sticky-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: #ffffff;
  border-top: 1px solid var(--border-color);
  padding: 10px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  z-index: 990;
  box-shadow: 0 -4px 16px rgba(15, 37, 55, 0.08);
}

.mobile-sticky-info {
  display: flex;
  flex-direction: column;
}

.mobile-sticky-title {
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--color-primary);
}

.mobile-sticky-sub {
  font-size: 0.75rem;
  color: var(--text-muted);
}

@media (min-width: 768px) {
  .mobile-sticky-bar {
    display: none;
  }
}