/* ==========================================================================
   SprintDesk - World-Class Operations SaaS Landing Page Design System
   Aesthetics: Apple + Linear + Stripe + Notion + Framer + Raycast
   ========================================================================== */

:root {
  /* Color Palette */
  --sd-primary: #4F46E5;
  --sd-primary-hover: #4338CA;
  --sd-primary-light: #EEF2FF;
  --sd-secondary: #7C3AED;
  --sd-secondary-light: #F5F3FF;
  --sd-success: #22C55E;
  --sd-success-light: #F0FDF4;
  --sd-warning: #F59E0B;
  --sd-warning-light: #FFFBEB;
  --sd-danger: #EF4444;
  --sd-danger-light: #FEF2F2;
  --sd-bg: #F8FAFC;
  --sd-card: #FFFFFF;
  --sd-text: #0F172A;
  --sd-text-muted: #64748B;
  --sd-text-light: #94A3B8;
  --sd-border: #E5E7EB;
  --sd-border-light: #F1F5F9;

  /* Typography */
  --sd-font: 'Inter', -apple-system, BlinkMacSystemFont, "SF Pro Display", sans-serif;

  /* Border Radii */
  --sd-radius-sm: 8px;
  --sd-radius-md: 14px;
  --sd-radius-lg: 20px;
  --sd-radius-card: 24px;
  --sd-radius-full: 9999px;

  /* Elevation Shadows */
  --sd-shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.04), 0 1px 2px rgba(15, 23, 42, 0.02);
  --sd-shadow-md: 0 10px 30px -5px rgba(15, 23, 42, 0.05), 0 4px 12px -2px rgba(15, 23, 42, 0.03);
  --sd-shadow-lg: 0 20px 40px -15px rgba(79, 70, 229, 0.12), 0 8px 20px -6px rgba(15, 23, 42, 0.04);
  --sd-shadow-hover: 0 24px 48px -12px rgba(79, 70, 229, 0.18), 0 12px 24px -8px rgba(15, 23, 42, 0.06);

  /* Transitions */
  --sd-ease: cubic-bezier(0.16, 1, 0.3, 1);
  --sd-transition: all 300ms var(--sd-ease);
}

/* Global Reset & Base Styles */
html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body.sd-landing-body {
  font-family: var(--sd-font);
  background-color: var(--sd-bg);
  color: var(--sd-text);
  overflow-x: hidden;
  line-height: 1.6;
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
}

/* Typography Helpers */
.sd-headline {
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--sd-text);
}

.sd-gradient-text {
  background: linear-gradient(135deg, #4F46E5 0%, #7C3AED 50%, #2563EB 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.sd-subtitle {
  font-size: 1.15rem;
  color: var(--sd-text-muted);
  font-weight: 400;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

.sd-badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: var(--sd-radius-full);
  background: rgba(79, 70, 229, 0.08);
  border: 1px solid rgba(79, 70, 229, 0.2);
  color: var(--sd-primary);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 20px;
}

/* Glassmorphism Containers */
.sd-glass-card {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(229, 231, 235, 0.8);
  border-radius: var(--sd-radius-card);
  box-shadow: var(--sd-shadow-md);
  transition: var(--sd-transition);
}

.sd-glass-card:hover {
  box-shadow: var(--sd-shadow-hover);
  transform: translateY(-4px);
  border-color: rgba(79, 70, 229, 0.3);
}

/* Section Spacing - Compact Tighter Rhythm */
.sd-section-padding {
  padding: 64px 0 !important;
  position: relative;
}

@media (max-width: 991px) {
  .sd-section-padding {
    padding: 40px 0 !important;
  }
}

/* Floating Ambient Gradients */
.sd-ambient-glow {
  position: absolute;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(79, 70, 229, 0.15) 0%, rgba(124, 58, 237, 0.05) 50%, transparent 70%);
  filter: blur(80px);
  pointer-events: none;
  z-index: 0;
}

/* Sticky Glass Navbar */
.sd-navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 80px;
  z-index: 1050;
  transition: all 300ms var(--sd-ease);
}

.sd-navbar.scrolled {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--sd-border);
  box-shadow: var(--sd-shadow-sm);
  height: 70px;
}

.sd-nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 800;
  font-size: 1.35rem;
  color: var(--sd-text);
  letter-spacing: -0.02em;
}

.sd-nav-logo-icon {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--sd-primary), var(--sd-secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
  font-size: 1.2rem;
  box-shadow: 0 4px 12px rgba(79, 70, 229, 0.3);
}

.sd-nav-link {
  color: var(--sd-text-muted);
  font-weight: 500;
  font-size: 0.95rem;
  text-decoration: none;
  padding: 8px 16px;
  border-radius: var(--sd-radius-full);
  transition: var(--sd-transition);
}

.sd-nav-link:hover {
  color: var(--sd-primary);
  background: var(--sd-primary-light);
}

.sd-btn-primary {
  background: linear-gradient(135deg, var(--sd-primary) 0%, #4338CA 100%);
  color: #FFFFFF;
  font-weight: 600;
  padding: 12px 26px;
  border-radius: var(--sd-radius-full);
  border: none;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 4px 16px rgba(79, 70, 229, 0.3);
  transition: var(--sd-transition);
  cursor: pointer;
}

.sd-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(79, 70, 229, 0.45);
  color: #FFFFFF;
}

.sd-btn-secondary {
  background: var(--sd-card);
  color: var(--sd-text);
  font-weight: 600;
  padding: 12px 26px;
  border-radius: var(--sd-radius-full);
  border: 1px solid var(--sd-border);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow: var(--sd-shadow-sm);
  transition: var(--sd-transition);
  cursor: pointer;
}

.sd-btn-secondary:hover {
  background: var(--sd-border-light);
  border-color: var(--sd-text-light);
  transform: translateY(-2px);
  color: var(--sd-text);
}

/* SECTION 1: HERO */
.sd-hero-section {
  padding-top: 110px !important;
  padding-bottom: 48px !important;
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.sd-hero-headline {
  font-size: 3.5rem;
  font-weight: 800;
  margin-bottom: 24px;
}

@media (max-width: 768px) {
  .sd-hero-headline {
    font-size: 2.3rem;
  }
}

.sd-hero-mockup-wrapper {
  perspective: 1000px;
}

.sd-hero-dashboard-mockup {
  background: var(--sd-card);
  border: 1px solid var(--sd-border);
  border-radius: var(--sd-radius-card);
  padding: 24px;
  box-shadow: var(--sd-shadow-lg);
  transform: rotateY(-6deg) rotateX(4deg);
  transition: transform 500ms var(--sd-ease);
}

.sd-hero-dashboard-mockup:hover {
  transform: rotateY(0deg) rotateX(0deg) scale(1.02);
}

/* SECTION 2: TRUSTED BY LOGO CAROUSEL */
.sd-marquee-wrapper {
  overflow: hidden;
  white-space: nowrap;
  position: relative;
  padding: 20px 0;
}

.sd-marquee-wrapper::before,
.sd-marquee-wrapper::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  width: 150px;
  z-index: 2;
  pointer-events: none;
}

.sd-marquee-wrapper::before {
  left: 0;
  background: linear-gradient(90deg, var(--sd-bg), transparent);
}

.sd-marquee-wrapper::after {
  right: 0;
  background: linear-gradient(-90deg, var(--sd-bg), transparent);
}

.sd-marquee-track {
  display: inline-flex;
  gap: 60px;
  animation: marquee 30s linear infinite;
}

@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.sd-logo-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--sd-text-muted);
  opacity: 0.7;
  transition: opacity 200ms ease;
}

.sd-logo-item:hover {
  opacity: 1;
  color: var(--sd-primary);
}

/* SECTION 3: THE PROBLEM & SOLUTION */
.sd-problem-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 16px;
  margin-bottom: 40px;
}

.sd-tool-chip {
  background: var(--sd-card);
  border: 1px solid var(--sd-border);
  border-radius: var(--sd-radius-md);
  padding: 16px;
  text-align: center;
  font-weight: 600;
  color: var(--sd-text-muted);
  box-shadow: var(--sd-shadow-sm);
  transition: var(--sd-transition);
}

.sd-tool-chip:hover {
  border-color: var(--sd-danger);
  color: var(--sd-danger);
  transform: scale(1.05);
}

.sd-arrow-connector {
  font-size: 2.5rem;
  color: var(--sd-primary);
  text-align: center;
  margin: 20px 0;
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
  40% { transform: translateY(-10px); }
  60% { transform: translateY(-5px); }
}

/* SECTION 4: BENTO GRID */
.sd-bento-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 24px;
}

.sd-bento-col-4 { grid-column: span 4; }
.sd-bento-col-6 { grid-column: span 6; }
.sd-bento-col-8 { grid-column: span 8; }
.sd-bento-col-12 { grid-column: span 12; }

@media (max-width: 991px) {
  .sd-bento-col-4, .sd-bento-col-6, .sd-bento-col-8 {
    grid-column: span 12;
  }
}

.sd-bento-card {
  padding: 32px;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.sd-bento-icon {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  background: var(--sd-primary-light);
  color: var(--sd-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
}

/* SECTION 5: INTERACTIVE DASHBOARD PREVIEW */
.sd-laptop-frame {
  background: #1E293B;
  border-radius: 28px 28px 0 0;
  padding: 16px 16px 0 16px;
  box-shadow: var(--sd-shadow-lg);
  border: 4px solid #334155;
  position: relative;
}

.sd-laptop-screen {
  background: var(--sd-card);
  border-radius: 16px 16px 0 0;
  overflow: hidden;
  min-height: 500px;
}

.sd-dashboard-tabs {
  display: flex;
  gap: 8px;
  justify-content: center;
  margin-bottom: 40px;

  flex-wrap: wrap;
}

.sd-tab-btn {
  padding: 10px 22px;
  border-radius: var(--sd-radius-full);
  border: 1px solid var(--sd-border);
  background: var(--sd-card);
  color: var(--sd-text-muted);
  font-weight: 600;
  font-size: 0.92rem;
  cursor: pointer;
  transition: var(--sd-transition);
}

.sd-tab-btn.active, .sd-tab-btn:hover {
  background: var(--sd-primary);
  color: #FFFFFF;
  border-color: var(--sd-primary);
  box-shadow: 0 4px 12px rgba(79, 70, 229, 0.3);
}

/* SECTION 7: WORKFLOW TIMELINE */
.sd-workflow-timeline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
  padding: 40px 0;
  flex-wrap: wrap;
  gap: 20px;
}

.sd-workflow-step {
  flex: 1;
  min-width: 110px;
  text-align: center;
  position: relative;
  z-index: 2;
}

.sd-step-circle {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--sd-card);
  border: 2px solid var(--sd-primary);
  color: var(--sd-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  margin: 0 auto 12px auto;
  box-shadow: var(--sd-shadow-sm);
  transition: var(--sd-transition);
}

.sd-workflow-step:hover .sd-step-circle {
  background: var(--sd-primary);
  color: #FFFFFF;
  transform: scale(1.15);
}

/* SECTION 8: STATISTICS */
.sd-stat-card {
  text-align: center;
  padding: 40px 24px;
}

.sd-stat-number {
  font-size: 3.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--sd-primary);
  line-height: 1;
  margin-bottom: 8px;
}

/* SECTION 12: PRICING */
.sd-pricing-card {
  padding: 40px 32px;
  position: relative;
}

.sd-pricing-card.featured {
  border: 2px solid var(--sd-primary);
  transform: scale(1.04);
}

@media (max-width: 991px) {
  .sd-pricing-card.featured {
    transform: scale(1);
  }
}

.sd-price-badge {
  position: absolute;
  top: -14px;
  right: 24px;
  background: linear-gradient(135deg, var(--sd-primary), var(--sd-secondary));
  color: #FFFFFF;
  font-size: 0.78rem;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: var(--sd-radius-full);
  text-transform: uppercase;
}

.sd-pricing-toggle {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: var(--sd-card);
  padding: 6px;
  border-radius: var(--sd-radius-full);
  border: 1px solid var(--sd-border);
  margin-bottom: 40px;
}

.sd-toggle-switch {
  width: 50px;
  height: 26px;
  background: var(--sd-border);
  border-radius: var(--sd-radius-full);
  position: relative;
  cursor: pointer;
  transition: var(--sd-transition);
}

.sd-toggle-switch::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 3px;
  width: 20px;
  height: 20px;
  background: #FFFFFF;
  border-radius: 50%;
  transition: var(--sd-transition);

  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.sd-toggle-active .sd-toggle-switch {
  background: var(--sd-primary);
}

.sd-toggle-active .sd-toggle-switch::after {
  transform: translateX(24px);
}

/* SECTION 13: FAQ ACCORDION */
.sd-faq-item {
  margin-bottom: 16px;
}

.sd-faq-question {
  width: 100%;
  padding: 20px 24px;
  background: var(--sd-card);
  border: 1px solid var(--sd-border);
  border-radius: var(--sd-radius-md);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--sd-text);
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;

  transition: var(--sd-transition);
}

.sd-faq-question:hover {
  border-color: var(--sd-primary);
}

.sd-faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 300ms var(--sd-ease);

  padding: 0 24px;
}

.sd-faq-item.active .sd-faq-answer {
  max-height: 200px;

  padding: 16px 24px 24px 24px;
}

.sd-faq-item.active .sd-faq-icon {
  transform: rotate(180deg);
}

/* SECTION 14: FINAL CTA */
.sd-cta-banner {
  background: linear-gradient(135deg, #1E1B4B 0%, #312E81 50%, #4338CA 100%);
  border-radius: 32px;
  padding: 80px 40px;
  color: #FFFFFF;
  text-align: center;
  position: relative;
  overflow: hidden;
}

/* SECTION 15: FOOTER */
.sd-footer {
  background: #090D16;
  color: #94A3B8;
  padding: 80px 0 40px 0;
}

.sd-footer a {
  color: #94A3B8;
  text-decoration: none;
  transition: color 200ms ease;
}

.sd-footer a:hover {
  color: #FFFFFF;
}

/* Animations */
.sd-fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 600ms var(--sd-ease), transform 600ms var(--sd-ease);
}

.sd-fade-up.in-view {
  opacity: 1;
  transform: translateY(0);
}

/* SECTION 15: FOOTER HIGH CONTRAST POLISH */
.sd-footer {
  background: #090D16 !important;
  color: #94A3B8 !important;
  padding: 80px 0 40px 0;
}

.sd-footer-text {
  color: #94A3B8 !important;
}

.sd-footer a {
  color: #94A3B8 !important;
  text-decoration: none;
  transition: color 200ms ease;
}

.sd-footer a:hover {
  color: #FFFFFF !important;
}

.sd-footer-socials a {
  color: #94A3B8 !important;
  font-size: 1.25rem;
  transition: all 200ms ease;
}

.sd-footer-socials a:hover {
  color: #FFFFFF !important;
  transform: translateY(-2px);
}

.sd-footer-input {
  background: rgba(255, 255, 255, 0.08) !important;
  border: 1px solid rgba(255, 255, 255, 0.18) !important;
  color: #FFFFFF !important;
  border-radius: var(--sd-radius-sm) 0 0 var(--sd-radius-sm) !important;
}

.sd-footer-input::placeholder {
  color: #94A3B8 !important;
  opacity: 0.8;
}

.sd-footer-input:focus {
  background: rgba(255, 255, 255, 0.14) !important;
  border-color: var(--sd-primary) !important;
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.25) !important;
  color: #FFFFFF !important;
}