/* =============================================
   Upstate AI Receptionist — Global Styles
   ============================================= */

/* Google Fonts are loaded via HTML <link> tags */

:root {
  --color-dark:    #0D2137;
  --color-primary: #1B4D7A;
  --color-secondary:#2E86AB;
  --color-accent:  #27AE60;
  --color-accent-dark: #1e8449;
  --color-light-bg:#F0F7FF;
  --color-text:    #1A202C;
  --color-muted:   #4A5568;
  --transition-base: 0.3s ease;
}

/* ── Reset / Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', sans-serif;
  color: var(--color-text);
  line-height: 1.6;
  overflow-x: hidden;
}
h1,h2,h3,h4,h5,h6 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  line-height: 1.2;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }

/* ── Custom Scrollbar ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: #f1f5f9; }
::-webkit-scrollbar-thumb { background: var(--color-primary); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--color-secondary); }

/* ── Gradient Text ── */
.gradient-text {
  background: linear-gradient(135deg, #2E86AB 0%, #27AE60 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.gradient-text-light {
  background: linear-gradient(135deg, #7EC8E3 0%, #6EDDA0 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Glassmorphism Cards ── */
.glass-card {
  background: rgba(255,255,255,0.08);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 16px;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}
.glass-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.25);
}
.glass-card-light {
  background: rgba(255,255,255,0.75);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(27,77,122,0.12);
  border-radius: 16px;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}
.glass-card-light:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(27,77,122,0.15);
}

/* ── Buttons ── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--color-accent);
  color: #fff;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  padding: 14px 28px;
  border-radius: 50px;
  border: none;
  cursor: pointer;
  font-size: 1rem;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  box-shadow: 0 4px 20px rgba(39,174,96,0.35);
}
.btn-primary:hover  { background: var(--color-accent-dark); transform: scale(1.02); box-shadow: 0 6px 28px rgba(39,174,96,0.45); }
.btn-primary:active { transform: scale(0.98); }

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: #fff;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  padding: 13px 28px;
  border-radius: 50px;
  border: 2px solid rgba(255,255,255,0.6);
  cursor: pointer;
  font-size: 1rem;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}
.btn-outline:hover  { background: rgba(255,255,255,0.12); border-color: #fff; transform: scale(1.02); }
.btn-outline:active { transform: scale(0.98); }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--color-primary);
  color: #fff;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  padding: 14px 28px;
  border-radius: 50px;
  border: none;
  cursor: pointer;
  font-size: 1rem;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  box-shadow: 0 4px 20px rgba(27,77,122,0.3);
}
.btn-secondary:hover  { background: var(--color-secondary); transform: scale(1.02); }
.btn-secondary:active { transform: scale(0.98); }

/* ── Scroll-Reveal Animations ── */
.reveal {
  opacity: 0;
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.fade-up    { transform: translateY(40px); }
.reveal.slide-left { transform: translateX(-50px); }
.reveal.slide-right{ transform: translateX(50px); }
.reveal.scale-in   { transform: scale(0.92); }

.reveal.visible {
  opacity: 1;
  transform: none;
}

/* Staggered delay helpers */
.delay-100 { transition-delay: 0.1s; }
.delay-200 { transition-delay: 0.2s; }
.delay-300 { transition-delay: 0.3s; }
.delay-400 { transition-delay: 0.4s; }
.delay-500 { transition-delay: 0.5s; }
.delay-600 { transition-delay: 0.6s; }

/* ── Stat Counter ── */
.stat-number {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 3rem;
  line-height: 1;
}
@media (min-width: 768px) { .stat-number { font-size: 3.5rem; } }

/* ── Pulse Ring Animation ── */
@keyframes pulse-ring {
  0%   { transform: scale(0.9); box-shadow: 0 0 0 0 rgba(39,174,96,0.6); }
  70%  { transform: scale(1);   box-shadow: 0 0 0 20px rgba(39,174,96,0); }
  100% { transform: scale(0.9); box-shadow: 0 0 0 0 rgba(39,174,96,0); }
}
.pulse-ring { animation: pulse-ring 2.5s infinite; }

@keyframes float-phone {
  0%, 100% { transform: translateY(0px) rotate(-5deg); }
  50%       { transform: translateY(-12px) rotate(-5deg); }
}
.float-phone { animation: float-phone 3s ease-in-out infinite; }

@keyframes spin-slow {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}
.spin-slow { animation: spin-slow 12s linear infinite; }

@keyframes blink-dot {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.3; }
}
.blink-dot { animation: blink-dot 1.4s ease-in-out infinite; }

/* ── Trust Badge Scroll ── */
.trust-scroll-container {
  overflow: hidden;
  position: relative;
}
.trust-scroll-track {
  display: flex;
  gap: 48px;
  animation: scroll-left 20s linear infinite;
  width: max-content;
}
.trust-scroll-track:hover { animation-play-state: paused; }
@keyframes scroll-left {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ── FAQ Accordion ── */
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.45s cubic-bezier(0.4, 0, 0.2, 1), padding 0.3s ease;
  padding-top: 0;
  padding-bottom: 0;
}
.faq-answer.open {
  max-height: 500px;
  padding-top: 12px;
  padding-bottom: 16px;
}
.faq-icon {
  transition: transform 0.35s ease;
  flex-shrink: 0;
}
.faq-item.open .faq-icon { transform: rotate(45deg); }

/* ── Floating Mobile CTA Bar ── */
.mobile-cta-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 999;
  background: var(--color-dark);
  border-top: 2px solid var(--color-accent);
  padding: 12px 16px;
  display: flex;
  gap: 10px;
  align-items: center;
  transform: translateY(100%);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 -4px 24px rgba(0,0,0,0.25);
}
.mobile-cta-bar.show { transform: translateY(0); }
@media (min-width: 768px) { .mobile-cta-bar { display: none !important; } }

/* ── Navigation ── */
.nav-link {
  position: relative;
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  font-size: 0.875rem;
  letter-spacing: 0.02em;
  transition: color var(--transition-base);
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--transition-base);
}
.nav-link:hover::after,
.nav-link.active::after { width: 100%; }

/* ── Section Headers ── */
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(39,174,96,0.12);
  color: var(--color-accent);
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 50px;
  border: 1px solid rgba(39,174,96,0.25);
  margin-bottom: 16px;
}

/* ── Cards / Features ── */
.feature-icon-wrap {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: rgba(27,77,122,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-base), transform var(--transition-base);
}
.feature-icon-wrap:hover,
.glass-card-light:hover .feature-icon-wrap {
  background: rgba(39,174,96,0.15);
  transform: scale(1.08) rotate(-3deg);
}

/* ── Testimonial Cards ── */
.testimonial-card {
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}
.testimonial-card:nth-child(odd)  { transform: rotate(-1deg); }
.testimonial-card:nth-child(even) { transform: rotate(1deg); }
.testimonial-card:hover { transform: rotate(0deg) translateY(-6px) !important; box-shadow: 0 24px 60px rgba(0,0,0,0.15); }

/* ── ROI Calculator ── */
.roi-slider {
  -webkit-appearance: none;
  appearance: none;
  height: 6px;
  border-radius: 3px;
  background: linear-gradient(to right, var(--color-accent) 0%, var(--color-accent) 50%, rgba(255,255,255,0.2) 50%);
  outline: none;
  transition: background 0.2s ease;
  width: 100%;
  cursor: pointer;
}
.roi-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--color-accent);
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(39,174,96,0.5);
  border: 3px solid #fff;
  transition: transform 0.15s ease;
}
.roi-slider::-webkit-slider-thumb:hover { transform: scale(1.2); }
.roi-slider::-moz-range-thumb {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--color-accent);
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(39,174,96,0.5);
  border: 3px solid #fff;
}

/* ── Hero Section ── */
.hero-bg {
  background: linear-gradient(135deg, #0D2137 0%, #1B4D7A 50%, #0D2137 100%);
  position: relative;
  overflow: hidden;
}
.hero-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 70% 50%, rgba(46,134,171,0.2) 0%, transparent 60%),
              radial-gradient(ellipse at 20% 80%, rgba(39,174,96,0.12) 0%, transparent 50%);
  pointer-events: none;
}
.hero-grid {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}

/* ── Comparison Table ── */
.comparison-table th,
.comparison-table td {
  padding: 14px 18px;
  text-align: center;
  border-bottom: 1px solid rgba(27,77,122,0.1);
}
.comparison-table th:first-child,
.comparison-table td:first-child { text-align: left; }
.comparison-table thead th { background: var(--color-primary); color: #fff; font-family: 'Montserrat', sans-serif; }
.comparison-table tr:hover td { background: rgba(240,247,255,0.8); }
.comparison-table .highlight-col { background: rgba(39,174,96,0.06); }
.comparison-table thead .highlight-col { background: var(--color-accent); }

/* ── Pricing Cards ── */
.pricing-card {
  border-radius: 20px;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}
.pricing-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 30px 80px rgba(0,0,0,0.15);
}
.pricing-card.featured {
  transform: scale(1.04);
  box-shadow: 0 20px 60px rgba(27,77,122,0.2);
  border: 2px solid var(--color-accent);
}
.pricing-card.featured:hover {
  transform: scale(1.04) translateY(-8px);
  box-shadow: 0 30px 80px rgba(39,174,96,0.25);
}

/* ── Step Connector ── */
.step-connector {
  flex: 1;
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-secondary));
  position: relative;
  margin: 0 8px;
}
.step-connector::after {
  content: '';
  position: absolute;
  right: -6px;
  top: 50%;
  transform: translateY(-50%);
  border: 6px solid transparent;
  border-left-color: var(--color-secondary);
}

/* ── Industry Tabs ── */
.industry-tab {
  padding: 10px 20px;
  border-radius: 50px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  font-size: 0.875rem;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all 0.2s ease;
  white-space: nowrap;
}
.industry-tab:hover { border-color: var(--color-primary); }
.industry-tab.active {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
  box-shadow: 0 4px 16px rgba(27,77,122,0.3);
}

/* ── Page Hero (inner pages) ── */
.page-hero {
  background: linear-gradient(135deg, #0D2137 0%, #1B4D7A 100%);
  position: relative;
  overflow: hidden;
  padding: 120px 0 80px;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 60% 40%, rgba(46,134,171,0.25) 0%, transparent 65%);
}
.breadcrumb a { color: rgba(255,255,255,0.6); font-size: 0.875rem; }
.breadcrumb a:hover { color: rgba(255,255,255,0.9); }
.breadcrumb span { color: rgba(255,255,255,0.4); margin: 0 6px; font-size: 0.875rem; }
.breadcrumb .current { color: rgba(255,255,255,0.9); font-size: 0.875rem; }

/* ── Form Styles ── */
.form-input, .form-textarea, .form-select {
  width: 100%;
  padding: 14px 18px;
  border: 2px solid rgba(27,77,122,0.2);
  border-radius: 10px;
  font-family: 'Inter', sans-serif;
  font-size: 1rem;
  background: #fff;
  color: var(--color-text);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  outline: none;
}
.form-input:focus, .form-textarea:focus, .form-select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(27,77,122,0.12);
}
.form-label {
  display: block;
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--color-text);
  margin-bottom: 6px;
}

/* ── Check / X Icons ── */
.check-yes { color: var(--color-accent); }
.check-no  { color: #ef4444; }
.check-partial { color: #f59e0b; }

/* ── CTA Banner ── */
.cta-banner {
  background: linear-gradient(135deg, var(--color-accent) 0%, #1e8449 100%);
}

/* ── Footer ── */
.footer-bg {
  background: linear-gradient(180deg, #0a1929 0%, #0D2137 100%);
}

/* ── Mobile Nav Overlay ── */
.mobile-nav {
  position: fixed;
  inset: 0;
  z-index: 998;
  background: var(--color-dark);
  transform: translateX(100%);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
  padding: 80px 32px 40px;
}
.mobile-nav.open { transform: translateX(0); }

/* ── Hamburger ── */
.hamburger { cursor: pointer; background: none; border: none; display: flex; flex-direction: column; gap: 5px; padding: 4px; }
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── Utility: section padding ── */
.section-pad { padding: 80px 0; }
@media (min-width: 768px) { .section-pad { padding: 100px 0; } }

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}
@media (min-width: 640px)  { .container { padding: 0 32px; } }
@media (min-width: 1024px) { .container { padding: 0 48px; } }

/* ── prefers-reduced-motion ── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
  .trust-scroll-track { animation: none; }
}