/* Premium Landing Page Styles */
/* Reset & Base */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  /* Palette - Deep Space & Vibrancy */
  --bg-dark: #0B0E14;
  --bg-card: rgba(255, 255, 255, 0.03);
  --bg-card-hover: rgba(255, 255, 255, 0.06);
  --border-color: rgba(255, 255, 255, 0.08);

  --primary: #FF2E63;
  /* Vibrant Pink/Red */
  --accent: #08D9D6;
  /* Cyan/Teal */
  --purple: #9D4EDD;
  /* Deep Purple */

  --text-main: #F1F5F9;
  --text-muted: #94A3B8;

  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-display: 'Poppins', system-ui, sans-serif;

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

  --shadow-glow: 0 0 20px rgba(255, 46, 99, 0.15);
  /* Alpha variants for accents used in demo gradients and shadows */
  --accent-05: rgba(8, 217, 214, 0.05);
  --accent-10: rgba(8, 217, 214, 0.10);
  --accent-15: rgba(8, 217, 214, 0.15);
  --accent-30: rgba(8, 217, 214, 0.30);
  --accent-40: rgba(8, 217, 214, 0.40);
  --purple-15: rgba(139, 92, 246, 0.15);
}

/* Light Mode Overrides */
body.light-mode {
  --bg-dark: #F8FAFC;
  --bg-card: #FFFFFF;
  --bg-card-hover: #F1F5F9;
  --border-color: #E2E8F0;
  --text-main: #0F172A;
  --text-muted: #64748B;
  --shadow-glow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

/* Toggle Buttons */
.controls {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-left: 24px;
}

.control-btn {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 6px 12px;
  border-radius: 20px;
  cursor: pointer;
  font-size: 0.9rem;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  gap: 6px;
}

.control-btn:hover {
  background: var(--bg-card-hover);
  border-color: var(--primary);
}

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-dark);
  color: var(--text-main);
  font-family: var(--font-sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* Typography */
h1,
h2,
h3,
h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-main);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(2rem, 4vw, 2.5rem);
  margin-bottom: 1.5rem;
}

h3 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

p {
  margin-bottom: 1.5rem;
  color: var(--text-muted);
  font-size: 1.05rem;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s;
}

/* Layout */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
}

section {
  padding: 80px 0;
  position: relative;
}

/* Header */
header {
  padding: 20px 0;
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(11, 14, 20, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
}

/* Light mode header tweak */
body.light-mode header {
  background: rgba(248, 250, 252, 0.8);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.5rem;
  background: linear-gradient(135deg, var(--primary), var(--purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -0.01em;
}

/* Desktop Nav */
.nav-desktop {
  display: none;
  gap: 32px;
  align-items: center;
}

.nav-desktop a {
  font-weight: 500;
  font-size: 0.95rem;
}

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

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

  .nav-mobile-toggle {
    display: none;
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  border-radius: 50px;
  font-weight: 600;
  transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
  cursor: pointer;
  border: none;
  font-size: 1rem;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--purple));
  color: white;
  box-shadow: 0 4px 14px rgba(255, 46, 99, 0.25);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 46, 99, 0.35);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-main);
  border: 1px solid var(--border-color);
}

body.light-mode .btn-secondary {
  background: rgba(0, 0, 0, 0.05);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
}

body.light-mode .btn-secondary:hover {
  background: rgba(0, 0, 0, 0.1);
  border-color: rgba(0, 0, 0, 0.2);
}

/* Hero Section */
.hero {
  min-height: 80vh;
  display: flex;
  align-items: center;
  padding-top: 40px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  align-items: center;
}

@media (min-width: 992px) {
  .hero-grid {
    grid-template-columns: 1.2fr 1fr;
  }
}

.hero-content h1 {
  margin-bottom: 24px;
  background: linear-gradient(to right, var(--text-main), #94A3B8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-visual {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  box-shadow: 0 24px 48px -12px rgba(0, 0, 0, 0.5);
}

body.light-mode .hero-visual {
  box-shadow: 0 24px 48px -12px rgba(0, 0, 0, 0.1);
}

/* Cards & Features */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

/* Center grid content when it doesn't fill complete rows */
.grid-3 {
  place-content: center;
}

/* Ensure specific sections use the same centering/adjust behavior as pricing */
#why-optima .grid-3,
#how-we-work .grid-3 {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 24px;
}

/* Limit card width and center cards inside those sections when they don't fill a row */
#why-optima .grid-3>.card,
#how-we-work .grid-3>.card {
  flex: 1 1 300px;
  max-width: 400px;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 32px;
  transition: transform 0.3s ease, background-color 0.3s ease;
}

.card:hover {
  transform: translateY(-5px);
  background: var(--bg-card-hover);
  border-color: rgba(255, 255, 255, 0.15);
}

body.light-mode .card:hover {
  border-color: rgba(0, 0, 0, 0.1);
}

.icon-box {
  width: 56px;
  height: 56px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 20px;
  color: var(--accent);
}

body.light-mode .icon-box {
  background: rgba(0, 0, 0, 0.05);
  color: var(--primary);
}

/* Team Section */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
  justify-content: center;
}

.team-card {
  text-align: center;
  padding: 40px 24px;
}

.team-avatar {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--bg-card), var(--border-color));
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  border: 2px solid var(--primary);
  overflow: hidden;
}

.team-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.team-role {
  color: var(--primary);
  font-weight: 600;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 12px;
}

/* Pricing */
.pricing-card {
  position: relative;
  display: flex;
  flex-direction: column;
}

.pricing-card.featured {
  border-color: var(--primary);
  box-shadow: 0 0 30px rgba(255, 46, 99, 0.1);
}

.price {
  font-size: 2.5rem;
  font-weight: 800;
  margin: 16px 0;
}

.price span {
  font-size: 1rem;
  font-weight: 400;
  color: var(--text-muted);
}

.features-list {
  list-style: none;
  margin: 24px 0;
  flex-grow: 1;
}

.features-list li {
  margin-bottom: 12px;
  padding-left: 24px;
  position: relative;
  color: var(--text-muted);
}

.features-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--accent);
}

body.light-mode .features-list li::before {
  color: var(--primary);
}

/* Contact */
.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}

@media (min-width: 768px) {
  .contact-wrapper {
    grid-template-columns: 1fr 1.5fr;
  }
}

.contact-info h3 {
  margin-top: 0;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  color: var(--text-muted);
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
  font-size: 0.9rem;
}

input,
textarea {
  width: 100%;
  padding: 14px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-family: inherit;
  transition: all 0.2s;
}

body.light-mode input,
body.light-mode textarea {
  background: rgba(0, 0, 0, 0.03);
}

input:focus,
textarea:focus {
  outline: none;
  border-color: var(--accent);
  background: rgba(255, 255, 255, 0.05);
  box-shadow: 0 0 0 3px rgba(8, 217, 214, 0.1);
}

body.light-mode input:focus,
body.light-mode textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(255, 46, 99, 0.1);
}

/* Mobile Nav - Side Drawer */
.mobile-menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  z-index: 98;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.mobile-menu-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.mobile-menu {
  position: fixed;
  top: 0;
  right: 0;
  /* Slide from right */
  left: auto;
  /* Reset left */
  width: 300px;
  /* Fixed width */
  max-width: 80%;
  height: 100vh;
  background: var(--bg-dark);
  z-index: 99;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  /* Align left inside drawer */
  padding: 80px 32px;
  gap: 24px;
  transform: translateX(100%);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border-left: 1px solid var(--border-color);
  box-shadow: -10px 0 30px rgba(0, 0, 0, 0.5);
}

.mobile-menu.active {
  transform: translateX(0);
}

.mobile-menu a {
  font-size: 1.2rem;
  font-weight: 600;
  width: 100%;
}

body.light-mode .mobile-menu {
  background: var(--bg-card);
}

.hamburger {
  background: none;
  border: none;
  color: var(--text-main);
  font-size: 1.5rem;
  cursor: pointer;
  z-index: 101;
  position: relative;
}

/* Chat Demo Interface */
.chat-interface {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: 400px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.chat-header {
  padding: 16px;
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 12px;
}

.chat-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #FF5F56;
}

.chat-dot:nth-child(2) {
  background: #FFBD2E;
}

.chat-dot:nth-child(3) {
  background: #27C93F;
}

.chat-messages {
  flex-grow: 1;
  padding: 20px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
  scroll-behavior: smooth;
  /* Smooth scroll for messages too */
}

.chat-bubble {
  max-width: 80%;
  padding: 12px 16px;
  border-radius: 12px;
  font-size: 0.95rem;
  line-height: 1.5;
  animation: popIn 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes popIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }

  to {
    opacity: 1;
    transform: scale(1);
  }
}

.chat-bubble.ai {
  align-self: flex-start;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-main);
  border-bottom-left-radius: 2px;
}

body.light-mode .chat-bubble.ai {
  background: #F1F5F9;
}

.chat-bubble.user {
  align-self: flex-end;
  background: linear-gradient(135deg, var(--primary), var(--purple));
  color: white;
  border-bottom-right-radius: 2px;
}

.chat-controls {
  padding: 16px;
  border-top: 1px solid var(--border-color);
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  /* Allow wrapping to prevent ugly overflow */
  justify-content: center;
  /* Center buttons */
}

.chat-option {
  white-space: nowrap;
  padding: 10px 20px;
  border-radius: 8px;
  /* Less rounded, more stable look */
  border: 1px solid var(--accent);
  color: var(--accent);
  background: transparent;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 500;
  transition: background-color 0.2s, color 0.2s;
  /* Removed transform/scale */
}

.chat-option:hover {
  background: rgba(8, 217, 214, 0.1);
}

body.light-mode .chat-option {
  border-color: var(--primary);
  color: var(--primary);
}

body.light-mode .chat-option:hover {
  background: rgba(255, 46, 99, 0.1);
}

/* Footer */
footer {
  border-top: 1px solid var(--border-color);
  padding: 40px 0;
  margin-top: 80px;
  text-align: center;
  color: var(--text-muted);
}

/* Premium Flatpickr Overrides */
.flatpickr-calendar {
  background: #151921 !important;
  border: 1px solid var(--border-color) !important;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5) !important;
  border-radius: var(--radius-md) !important;
  font-family: var(--font-sans) !important;
}

.flatpickr-day.selected, 
.flatpickr-day.startRange, 
.flatpickr-day.endRange, 
.flatpickr-day.selected.prevMonthDay, 
.flatpickr-day.selected.nextMonthDay, 
.flatpickr-day.startRange.prevMonthDay, 
.flatpickr-day.startRange.nextMonthDay, 
.flatpickr-day.endRange.prevMonthDay, 
.flatpickr-day.endRange.nextMonthDay {
  background: var(--primary) !important;
  border-color: var(--primary) !important;
  box-shadow: 0 0 10px rgba(255, 46, 99, 0.4) !important;
}

.flatpickr-day:hover {
  background: rgba(255, 255, 255, 0.1) !important;
  border-color: transparent !important;
}

.flatpickr-months .flatpickr-month {
  color: var(--text-main) !important;
}

.flatpickr-current-month .flatpickr-monthDropdown-months {
  font-weight: 600 !important;
}

.flatpickr-weekday {
  color: var(--text-muted) !important;
  font-weight: 600 !important;
}

.flatpickr-time {
  border-top: 1px solid var(--border-color) !important;
}

.flatpickr-time input:hover, 
.flatpickr-time .flatpickr-am-pm:hover, 
.flatpickr-time input:focus, 
.flatpickr-time .flatpickr-am-pm:focus {
  background: rgba(255, 255, 255, 0.05) !important;
}

.flatpickr-time .flatpickr-time-separator, 
.flatpickr-time .flatpickr-am-pm {
  color: var(--text-main) !important;
}

.flatpickr-calendar.arrowTop:after, 
.flatpickr-calendar.arrowTop:before {
  border-bottom-color: #151921 !important;
}

/* Light mode overrides */
body.light-mode .flatpickr-calendar {
  background: #FFFFFF !important;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1) !important;
}

body.light-mode .flatpickr-months .flatpickr-month,
body.light-mode .flatpickr-current-month .flatpickr-monthDropdown-months,
body.light-mode .flatpickr-day {
  color: #0F172A !important;
}

body.light-mode .flatpickr-time .flatpickr-time-separator, 
body.light-mode .flatpickr-time .flatpickr-am-pm {
  color: #0F172A !important;
}