/* ImmoFlow Design System - Enhanced Premium Tier */
:root {
  --color-bg-light: #f5f7fa;
  --color-bg-white: #ffffff;
  --color-primary: #0b1c2c;
  --color-primary-light: #16314f;
  --color-primary-dark: #040c14;
  --color-accent: #00d3a9;
  --color-accent-hover: #00e8ba;
  --color-text-main: #1e293b;
  --color-text-muted: #64748b;
  --color-border: rgba(11, 28, 44, 0.08);
  
  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 8rem;
  
  --radius-sm: 12px;
  --radius-md: 24px;
  --radius-lg: 32px;
  --radius-pill: 100px;
  
  --shadow-sm: 0 4px 12px rgba(11, 28, 44, 0.04);
  --shadow-md: 0 12px 32px -8px rgba(11, 28, 44, 0.1);
  --shadow-lg: 0 24px 48px -12px rgba(11, 28, 44, 0.15);
  --shadow-glass: 0 8px 32px 0 rgba(11, 28, 44, 0.05);
  
  --transition-fast: 0.2s cubic-bezier(0.2, 0, 0, 1);
  --transition: 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

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

body {
  font-family: var(--font-main);
  color: var(--color-text-main);
  background-color: var(--color-bg-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  color: var(--color-primary);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.04em;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4.25rem);
  margin-bottom: var(--space-md);
}

h2 {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  margin-bottom: var(--space-md);
}

h3 { font-size: 1.5rem; margin-bottom: var(--space-sm); letter-spacing: -0.02em; }
h4 { font-size: 1.25rem; font-weight: 700; }

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

.text-muted { color: var(--color-text-muted); }
.text-center { text-align: center; }

img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
}

.gradient-text {
  background: linear-gradient(135deg, var(--color-primary-light) 10%, var(--color-accent) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.gradient-text-light {
  background: linear-gradient(135deg, #ffffff 20%, var(--color-accent) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Layout */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.section-light {
  background-color: var(--color-bg-light);
  padding: var(--space-xl) 0;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 400px), 1fr));
  gap: var(--space-lg);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
  gap: var(--space-md);
}

.align-items-center { align-items: center; }

/* Navbar Floating Pill */
.navbar {
  position: fixed;
  top: 1rem;
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% - 2rem);
  max-width: 1200px;
  z-index: 1000;
  transition: var(--transition);
  padding: 1rem 0;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.7) !important;
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  box-shadow: 0 4px 24px rgba(11,28,44,0.04);
  border: 1px solid rgba(255, 255, 255, 0.5);
}
.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.navbar.scrolled {
  top: 0.5rem;
  padding: 0.75rem 0;
  background: rgba(255, 255, 255, 0.85) !important;
  box-shadow: var(--shadow-md);
}
.logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  letter-spacing: -0.05em;
  padding-left: 1rem;
}
.logo-icon {
  background: var(--color-accent);
  color: white;
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 10px;
  font-size: 1.1rem;
}
.nav-links {
  display: none;
  align-items: center;
  gap: 2.5rem;
  padding-right: 1rem;
}
@media (min-width: 992px) {
  .nav-links { display: flex; }
}
.nav-link {
  color: var(--color-text-main);
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
}
.nav-link:hover, .nav-link.active {
  color: var(--color-accent);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1rem 2rem;
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: 1.05rem;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition);
  border: none;
  letter-spacing: -0.01em;
}
.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-bg-white);
  box-shadow: 0 8px 20px -6px rgba(11, 28, 44, 0.5);
}
.btn-primary:focus, .btn-primary:hover {
  background-color: var(--color-primary-light);
  color: var(--color-bg-white);
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 12px 24px -6px rgba(11, 28, 44, 0.6);
}
.btn-accent {
  background-color: var(--color-accent);
  color: var(--color-primary-dark);
  box-shadow: 0 8px 20px -6px rgba(0, 211, 169, 0.5);
}
.btn-accent:hover {
  background-color: var(--color-accent-hover);
  color: var(--color-primary-dark);
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 12px 24px -6px rgba(0, 211, 169, 0.6);
}
.btn-outline {
  background-color: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-border);
  box-shadow: none;
}
.btn-outline:hover {
  border-color: var(--color-primary);
  background-color: var(--color-bg-light);
}

/* Hero Section */
.hero {
  padding-top: calc(120px + var(--space-xl));
  padding-bottom: var(--space-xl);
  background: white;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -20%; right: -10%;
  width: 60%; height: 80%;
  background: radial-gradient(circle, rgba(0,211,169,0.15) 0%, rgba(255,255,255,0) 70%);
  z-index: 0;
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -20%; left: -10%;
  width: 50%; height: 60%;
  background: radial-gradient(circle, rgba(11,28,44,0.05) 0%, rgba(255,255,255,0) 70%);
  z-index: 0;
  pointer-events: none;
}
.hero-content {
  max-width: 800px;
  position: relative;
  z-index: 2;
}
.hero p {
  font-size: 1.35rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
  max-width: 650px;
  line-height: 1.5;
}
.hero-cta {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

/* Omnichannel flow */
.omni-visual {
  position: relative;
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 40px -10px rgba(0,0,0,0.08);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 3rem;
  gap: 1rem;
}
.omni-sources {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  z-index: 2;
}
.channel-icon {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: white;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 6px rgba(0,0,0,0.05);
  font-size: 1.2rem;
  color: var(--color-primary);
  border: 2px solid var(--color-border);
  z-index: 2;
  transition: transform 0.3s ease, border-color 0.3s ease, background 0.3s ease;
}
.channel-icon:hover {
  transform: translateX(10px) scale(1.1);
  border-color: var(--color-accent);
  background: var(--color-primary);
  color: white;
}
.omni-hub {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  background: white;
  color: var(--color-primary);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--color-accent);
  z-index: 2;
  position: relative;
  box-shadow: 0 0 0 0 rgba(0, 201, 167, 0.4);
  animation: hubPulse 2s infinite;
}
@keyframes hubPulse {
  0% { box-shadow: 0 0 0 0 rgba(0, 201, 167, 0.4); }
  70% { box-shadow: 0 0 0 20px rgba(0, 201, 167, 0); }
  100% { box-shadow: 0 0 0 0 rgba(0, 201, 167, 0); }
}

/* Data Flow animation */
.data-flow {
  display: flex;
  align-items: center;
  justify-content: space-around;
  flex: 1;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-border), transparent);
  position: relative;
  z-index: 1;
}
.flow-left { margin: 0 -20px; }
.flow-right { margin: 0 -20px; }

.dot {
  width: 8px;
  height: 8px;
  background: var(--color-accent);
  border-radius: 50%;
  position: absolute;
  left: 0;
  animation: flowAnim 1.5s linear infinite;
  box-shadow: 0 0 5px var(--color-accent);
}
.data-flow .dot:nth-child(2) { animation-delay: 0.5s; }
.data-flow .dot:nth-child(3) { animation-delay: 1s; }

@keyframes flowAnim {
  0% { left: 0; opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { left: 100%; opacity: 0; }
}

.ticket-style {
  background: white;
  padding: 2rem;
  border-radius: var(--radius-md);
  box-shadow: 0 10px 25px -5px rgba(0,0,0,0.1);
  border: 1px solid var(--color-border);
  flex: 1.2;
  z-index: 2;
  position: relative;
}
.ticket-checklist {
  list-style: none;
  padding: 0;
  margin: 0;
}
.ticket-checklist li {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.ticket-checklist li i {
  color: var(--color-accent);
  font-size: 0.85rem;
}

/* Mobile adjustments */
@media(max-width: 768px) {
  .omni-visual {
    flex-direction: column;
    padding: 2rem;
    gap: 1.5rem;
  }
  .omni-sources {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    position: static;
    transform: none;
  }
  .channel-icon:hover { transform: translateY(-5px) scale(1.1); }
  
  .data-flow {
    width: 2px;
    height: 40px;
    background: linear-gradient(180deg, transparent, var(--color-border), transparent);
    flex-direction: column;
  }
  .flow-left, .flow-right { margin: 0; }
  
  @keyframes flowAnimMobile {
    0% { top: 0; left: -3px; opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { top: 100%; left: -3px; opacity: 0; }
  }
  .data-flow .dot {
    animation: flowAnimMobile 1.5s linear infinite;
  }
  
  .ticket-style {
    width: 100%;
    position: static;
    transform: none;
  }
  .omni-hub { position: static; }
}

/* Animations */
@keyframes float {
  0% { transform: translateY(0px) rotate(0deg); box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1); }
  50% { transform: translateY(-15px) rotate(1deg); box-shadow: 0 20px 25px -5px rgba(0,0,0,0.15); }
  100% { transform: translateY(0px) rotate(0deg); box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1); }
}
.float-card {
  animation: float 6s ease-in-out infinite;
}
.float-card-delayed {
  animation: float 6s ease-in-out 3s infinite;
}
@keyframes pulse {
  0% { transform: scale(1); opacity: 0.8; }
  100% { transform: scale(1.15); opacity: 0; }
}
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Efficiency Comparison */
.efficiency-card {
  background: white;
  padding: 2rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
  height: 100%;
}
.efficiency-card.highlight {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-glass);
}
.progress-container {
  height: 20px;
  background: var(--color-bg-light);
  border-radius: var(--radius-full);
  margin-top: 1rem;
  overflow: hidden;
}
.progress-bar {
  height: 100%;
  width: 0;
  transition: width 1.5s ease-out;
}
.progress-bar.red { background: #ef4444; }
.progress-bar.green { background: var(--color-accent); width: 100% !important;}

/* Cards */
.card {
  background: var(--color-bg-white);
  padding: var(--space-md);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}
.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

/* Footer */
.footer {
  background-color: var(--color-primary-dark);
  color: rgba(255, 255, 255, 0.7);
  padding: var(--space-xl) 0 var(--space-md);
}
.footer h4 {
  color: white;
  margin-bottom: var(--space-sm);
}
.footer a {
  color: rgba(255, 255, 255, 0.7);
}
.footer a:hover {
  color: var(--color-accent);
}
.footer-bottom {
  margin-top: var(--space-lg);
  padding-top: var(--space-md);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  font-size: 0.875rem;
}

/* Mobile Nav */
.mobile-menu-btn {
  display: block;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--color-primary);
  cursor: pointer;
}
@media (min-width: 992px) {
  .mobile-menu-btn { display: none; }
}
.mobile-nav {
  display: none;
  position: fixed;
  top: 80px;
  left: 0;
  width: 100%;
  background: white;
  padding: var(--space-md);
  box-shadow: var(--shadow-md);
  flex-direction: column;
  gap: 1rem;
  z-index: 999;
}
.mobile-nav.open {
  display: flex;
}

/* Modals */
.modal-overlay {
  position: fixed;
  top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(5px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}
.modal-overlay.active {
  opacity: 1; pointer-events: all;
}
.modal-content {
  background: white;
  padding: 2rem;
  border-radius: var(--radius-lg);
  max-width: 600px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  position: relative;
  transform: translateY(20px);
  transition: transform 0.3s;
}
.modal-overlay.active .modal-content {
  transform: translateY(0);
}
.modal-close {
  position: absolute; right: 1rem; top: 1rem;
  background: none; border: none; font-size: 1.5rem; cursor: pointer; color: var(--color-text-muted);
}
.calendar-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 0.5rem; margin-top: 1rem;
}
@media (min-width: 480px) {
  .calendar-grid { grid-template-columns: repeat(6, 1fr); }
}
.time-slot {
  padding: 0.5rem; border: 1px solid var(--color-border); border-radius: var(--radius-sm);
  text-align: center; cursor: pointer; font-size: 0.9rem; transition: var(--transition-fast);
}
.time-slot:not(.disabled):hover { background: var(--color-primary-light); color: white; border-color: var(--color-primary-light); }
.time-slot.disabled { background: var(--color-bg-light); color: #ccc; cursor: not-allowed; text-decoration: line-through; }
.time-slot.selected { background: var(--color-primary); color: white; border-color: var(--color-primary); }

.form-group { margin-bottom: 1rem; text-align: left; }
.form-group label { display: block; margin-bottom: 0.5rem; font-weight: 500; font-size: 0.9rem; }
.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"],
.form-group input[type="number"] { width: 100%; padding: 0.75rem; border: 1px solid var(--color-border); border-radius: var(--radius-sm); font-family: var(--font-main); font-size: 1rem; }

/* Range Sliders */
.fancy-slider {
  background: var(--color-bg-light);
  padding: 1.25rem;
  border-radius: var(--radius-md);
  margin-bottom: 1rem;
  border: 1px solid var(--color-border);
}
.fancy-slider input[type=range] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  background: transparent;
  margin-top: 1rem;
}
.fancy-slider input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  height: 24px;
  width: 24px;
  border-radius: 50%;
  background: var(--color-primary);
  cursor: pointer;
  margin-top: -8px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.3);
  transition: transform 0.1s;
}
.fancy-slider input[type=range]::-webkit-slider-thumb:hover {
  transform: scale(1.1);
  background: var(--color-accent);
}
.fancy-slider input[type=range]::-webkit-slider-runnable-track {
  width: 100%;
  height: 8px;
  cursor: pointer;
  background: #cbd5e1;
  border-radius: 4px;
}
.problem-card {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: white;
  padding: 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.9rem;
  transition: var(--transition-fast);
}
.problem-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-sm);
}
.problem-card input {
  width: auto !important;
  margin: 0;
  accent-color: var(--color-primary);
}

/* Mobile Fixes */
@media (max-width: 768px) {
  .hero-visual {
    transform: scale(1) !important;
  }
  .hero-visual .card {
    margin-left: 0 !important;
    width: 100% !important;
  }
  .hero::before, .hero::after {
    display: none !important;
  }
}