/* ================================================
   DMNow Landing Page Styles
   Based on demandnow-lighthouse design system
   ================================================ */

/* CSS Variables / Design Tokens */
:root {
  /* Colors - Neutrals */
  --white: #FFFFFF;
  --black: #0F0F0F;
  --gray-50: #FAFAFA;
  --gray-100: #F5F5F5;
  --gray-200: #E5E5E5;
  --gray-300: #D4D4D4;
  --gray-400: #A3A3A3;
  --gray-500: #737373;
  --gray-600: #525252;
  --gray-700: #404040;
  --gray-800: #262626;
  --gray-900: #171717;

  /* Colors - Accent */
  --purple-600: #7C3AED;
  --purple-700: #6D28D9;
  --blue-600: #2563EB;
  --emerald-500: #10B981;
  --orange-500: #F97316;
  --red-500: #EF4444;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);

  /* Spacing */
  --container-max: 1280px;
  --container-padding: 32px;

  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.2s ease;
  --transition-slow: 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
  height: 100%;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--gray-900);
  background-color: var(--gray-50);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100%;
}

a {
  text-decoration: none;
  color: inherit;
}

ul {
  list-style: none;
}

img {
  max-width: 100%;
  height: auto;
}

/* Container */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

/* ================================================
   Typography
   ================================================ */

h1 {
  font-size: clamp(40px, 4.5vw, 60px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--black);
}

h2 {
  font-size: clamp(32px, 3.5vw, 44px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--black);
}

h3 {
  font-size: 20px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--black);
}

h4 {
  font-size: 16px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--black);
}

p {
  color: var(--gray-600);
}

/* ================================================
   Badge
   ================================================ */

.badge {
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--purple-600);
  background-color: var(--gray-100);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-full);
}

/* ================================================
   Buttons
   ================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-base);
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background-color: var(--black);
  color: var(--white);
  border-color: var(--black);
}

.btn-primary:hover {
  background-color: var(--gray-800);
  border-color: var(--gray-800);
}

.btn-secondary {
  background-color: var(--white);
  color: var(--gray-700);
  border-color: var(--gray-300);
}

.btn-secondary:hover {
  background-color: var(--gray-50);
  border-color: var(--gray-400);
}

.btn-sm {
  padding: 10px 20px;
  font-size: 14px;
}

.btn-lg {
  padding: 16px 32px;
  font-size: 16px;
  border-radius: var(--radius-lg);
}

.btn-full {
  width: 100%;
}

/* ================================================
   Header
   ================================================ */

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1002;
  padding: 16px 0;
  background: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  border-bottom: 1px solid transparent;
  transition: background var(--transition-slow), border-color var(--transition-slow), backdrop-filter var(--transition-slow);
}

.header.scrolled {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom-color: var(--gray-200);
}

/* Navbar CTA button - hidden initially, shown after hero */
.nav > .btn {
  opacity: 0;
  pointer-events: none;
  transform: translateX(10px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.header.show-cta .nav > .btn {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(0);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 24px;
  font-weight: 700;
  color: var(--black);
  transition: opacity var(--transition-base);
}

.logo-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  font-size: 18px;
  background-color: var(--black);
  color: var(--white);
  border-radius: var(--radius-md);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-700);
  transition: color var(--transition-base);
}

.nav-links a:hover {
  color: var(--black);
}

/* Premium Hamburger Menu Button */
.mobile-menu-toggle {
  display: none;
  position: relative;
  width: 44px;
  height: 44px;
  padding: 0;
  background: transparent;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  z-index: 1003;
}

.mobile-menu-toggle:hover {
  background: var(--gray-50);
  border-color: var(--gray-300);
}

.mobile-menu-toggle:active {
  transform: scale(0.96);
}

.mobile-menu-toggle.active {
  background: var(--black);
  border-color: var(--black);
}

.hamburger {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 6px;
  width: 20px;
  height: 20px;
}

.hamburger span {
  display: block;
  width: 18px;
  height: 2px;
  background-color: var(--black);
  border-radius: 2px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  transform-origin: center;
}

.hamburger span:nth-child(1) {
  width: 18px;
}

.hamburger span:nth-child(2) {
  width: 14px;
  margin-left: -4px;
}

.hamburger span:nth-child(3) {
  width: 18px;
}

.mobile-menu-toggle.active .hamburger span {
  background-color: var(--white);
}

.mobile-menu-toggle.active .hamburger span:nth-child(1) {
  width: 18px;
  transform: translateY(8px) rotate(45deg);
}

.mobile-menu-toggle.active .hamburger span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.mobile-menu-toggle.active .hamburger span:nth-child(3) {
  width: 18px;
  transform: translateY(-8px) rotate(-45deg);
}

/* Premium Mobile Menu Overlay */
.mobile-nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  opacity: 0;
  visibility: hidden;
  z-index: 1000;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.mobile-nav-overlay.active {
  opacity: 1;
  visibility: visible;
}

/* Premium Mobile Menu */
.mobile-nav-menu {
  position: fixed;
  top: 0;
  right: 0;
  width: min(340px, 85vw);
  height: 100vh;
  height: 100dvh;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 0;
  z-index: 1001;
  transform: translateX(100%);
  transition: transform 0.4s cubic-bezier(0.32, 0.72, 0, 1);
  display: flex;
  flex-direction: column;
  box-shadow: -8px 0 32px rgba(0, 0, 0, 0.12);
}

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

/* Hide header logo when mobile menu is open */
body:has(.mobile-nav-menu.active) .header .logo,
body.mobile-menu-open .header .logo {
  opacity: 0;
  pointer-events: none;
}

/* Mobile Menu Header */
.mobile-nav-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  border-bottom: 1px solid var(--gray-100);
}

.mobile-nav-header .logo {
  font-size: 20px;
}

/* Mobile Menu Content */
.mobile-nav-content {
  flex: 1;
  padding: 32px 24px;
  overflow-y: auto;
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.mobile-nav-links li {
  opacity: 0;
  transform: translateX(20px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.mobile-nav-menu.active .mobile-nav-links li {
  opacity: 1;
  transform: translateX(0);
}

.mobile-nav-menu.active .mobile-nav-links li:nth-child(1) { transition-delay: 0.1s; }
.mobile-nav-menu.active .mobile-nav-links li:nth-child(2) { transition-delay: 0.15s; }
.mobile-nav-menu.active .mobile-nav-links li:nth-child(3) { transition-delay: 0.2s; }
.mobile-nav-menu.active .mobile-nav-links li:nth-child(4) { transition-delay: 0.25s; }

.mobile-nav-links a {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 18px;
  font-weight: 600;
  color: var(--gray-800);
  padding: 16px 20px;
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
}

.mobile-nav-links a:hover {
  color: var(--black);
  background: var(--gray-100);
}

.mobile-nav-links a:active {
  transform: scale(0.98);
}

.mobile-nav-links .btn.btn-primary {
  margin-top: 24px;
  padding: 18px 24px;
  font-size: 16px;
  text-align: center;
  justify-content: center;
  border-radius: var(--radius-lg);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  background-color: var(--black);
  color: var(--white);
}

.mobile-nav-links .btn.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
  background-color: var(--gray-800);
}

/* Mobile Menu Footer */
.mobile-nav-footer {
  padding: 24px;
  border-top: 1px solid var(--gray-100);
  background: var(--gray-50);
}

.mobile-nav-footer p {
  font-size: 13px;
  color: var(--gray-500);
  text-align: center;
}

/* ================================================
   Hero Section
   ================================================ */

.hero {
  position: relative;
  padding: 160px 0 120px;
  text-align: center;
  background: transparent;
  overflow: hidden;
  min-height: 90vh;
  display: flex;
  align-items: center;
}

/* Animated Background - Fixed to cover entire page */
.page-bg {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: -1;
  background-color: var(--gray-50);
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.4;
  animation: float 20s ease-in-out infinite;
}

.hero-orb-1 {
  width: 600px;
  height: 600px;
  background: linear-gradient(135deg, var(--gray-300) 0%, rgba(124, 58, 237, 0.15) 100%);
  top: -200px;
  right: -100px;
  animation-delay: 0s;
}

.hero-orb-2 {
  width: 500px;
  height: 500px;
  background: linear-gradient(135deg, var(--gray-200) 0%, var(--gray-300) 100%);
  bottom: -150px;
  left: -100px;
  animation-delay: -7s;
  animation-duration: 25s;
}

.hero-orb-3 {
  width: 350px;
  height: 350px;
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.1) 0%, var(--gray-200) 100%);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation-delay: -14s;
  animation-duration: 18s;
}

@keyframes float {
  0%, 100% {
    transform: translate(0, 0) scale(1);
  }
  25% {
    transform: translate(30px, -30px) scale(1.05);
  }
  50% {
    transform: translate(-20px, 20px) scale(0.95);
  }
  75% {
    transform: translate(-30px, -20px) scale(1.02);
  }
}

/* Subtle Grid Pattern */
.hero-grid {
  position: absolute;
  inset: -60px;
  background-image:
    linear-gradient(rgba(0, 0, 0, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 0, 0, 0.025) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: linear-gradient(to bottom, black 0%, black 60%, transparent 100%);
  -webkit-mask-image: linear-gradient(to bottom, black 0%, black 60%, transparent 100%);
  animation: gridSlide 20s linear infinite;
}

@keyframes gridSlide {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-60px);
  }
}

/* Hero Content */
.hero-content {
  position: relative;
  z-index: 1;
}

/* Entrance Animations */
.hero-animate {
  opacity: 0;
  transform: translateY(30px);
  animation: heroFadeIn 0.8s ease forwards;
  animation-delay: calc(var(--delay) * 0.15s);
}

@keyframes heroFadeIn {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero .badge {
  margin-bottom: 24px;
  background: rgba(124, 58, 237, 0.08);
  border: 1px solid rgba(124, 58, 237, 0.15);
  color: var(--purple-600);
}

.hero h1 {
  max-width: 800px;
  margin: 0 auto 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.hero-title-line {
  display: block;
  color: var(--gray-600);
  font-size: clamp(28px, 3vw, 38px);
  font-weight: 600;
  letter-spacing: -0.01em;
}

.hero-title-accent {
  display: block;
  font-size: clamp(44px, 5vw, 72px);
  font-weight: 800;
  background: linear-gradient(135deg, var(--black) 0%, var(--purple-600) 50%, var(--blue-600) 100%);
  background-size: 200% 200%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: gradientShift 8s ease-in-out infinite;
  --glow-y: 8px;
  filter: drop-shadow(0 var(--glow-y) 12px rgba(139, 92, 246, 0.5));
  transition: filter 0.1s ease-out;
}

@keyframes gradientShift {
  0%, 100% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
}

.hero-subtitle {
  max-width: 600px;
  margin: 0 auto 48px;
  font-size: 20px;
  line-height: 1.6;
  color: var(--gray-600);
}

.hero-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-cta .btn-primary {
  background: linear-gradient(135deg, var(--black) 0%, var(--gray-800) 100%);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.hero-cta .btn-primary:hover {
  box-shadow: 0 6px 30px rgba(0, 0, 0, 0.3);
}

.hero-cta .btn-secondary {
  backdrop-filter: blur(8px);
  background: rgba(255, 255, 255, 0.8);
}

/* ================================================
   Stats Section
   ================================================ */

.stats {
  position: relative;
  padding: 80px 0;
  padding-top: 120px;
  background-color: var(--white);
}

.stats::before {
  content: '';
  position: absolute;
  top: -80px;
  left: 0;
  right: 0;
  height: 160px;
  background: linear-gradient(to bottom, transparent 0%, var(--white) 100%);
  pointer-events: none;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
}

.stat-card {
  padding: 32px 24px;
  text-align: center;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
}

.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  border-color: var(--gray-300);
}

.stat-number {
  display: block;
  font-size: 48px;
  font-weight: 800;
  color: var(--black);
  margin-bottom: 8px;
}

.stat-label {
  display: block;
  font-size: 16px;
  font-weight: 600;
  color: var(--black);
  margin-bottom: 12px;
}

.stat-desc {
  font-size: 14px;
  color: var(--gray-500);
  line-height: 1.5;
}

/* ================================================
   Section Header
   ================================================ */

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 64px;
}

.section-header .badge {
  margin-bottom: 16px;
}

.section-header h2 {
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 18px;
  color: var(--gray-600);
  line-height: 1.6;
}

/* ================================================
   Features Section
   ================================================ */

.features {
  padding: 100px 0;
  background-color: var(--gray-50);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
  padding-top: 24px; /* Space for floating icons */
}

.feature-card {
  position: relative;
  padding: 48px 32px 40px;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-xl);
  transition: all var(--transition-base);
  overflow: visible;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: var(--gray-300);
}

.feature-card:hover .feature-icon {
  transform: translateY(-2px);
  box-shadow:
    0 8px 24px -4px rgba(0, 0, 0, 0.15),
    0 0 0 1px rgba(0, 0, 0, 0.05);
}

/* Floating Overlapping Icon */
.feature-icon {
  position: absolute;
  top: -24px;
  left: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  color: var(--black);
  box-shadow:
    0 4px 12px -2px rgba(0, 0, 0, 0.08),
    0 0 0 1px rgba(0, 0, 0, 0.02);
  transition: all var(--transition-base);
}

.feature-icon svg {
  width: 28px;
  height: 28px;
  stroke-width: 1.75;
}

.feature-card h3 {
  margin-bottom: 12px;
}

.feature-card > p {
  margin-bottom: 20px;
  font-size: 15px;
  color: var(--gray-600);
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.feature-list li {
  position: relative;
  padding-left: 24px;
  font-size: 14px;
  color: var(--gray-600);
  line-height: 1.5;
}

.feature-list li::before {
  content: '\2713';
  position: absolute;
  left: 0;
  color: var(--emerald-500);
  font-weight: 700;
}

/* ================================================
   Features Section - Auto-Sliding Carousel
   ================================================ */

/* Outer wrapper */
.features-scroll-container {
  position: relative;
  padding: 80px 0;
  background-color: var(--gray-50);
  overflow: hidden;
}

/* Inner container */
.features-sticky {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  overflow: visible;
  background-color: var(--gray-50);
}

/* Header inside sticky */
.features-sticky .section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 48px;
  padding: 0 var(--container-padding);
}

/* Carousel viewport: clips the horizontal track */
.features-carousel-viewport {
  position: relative;
  width: 100%;
  overflow: hidden;
  display: flex;
  align-items: center;
  padding-top: 40px;
}

/* Horizontal track: contains all cards in a row, auto-slides */
.features-carousel-track {
  display: flex;
  align-items: stretch;
  gap: 40px;
  animation: slideCarousel 30s linear infinite;
}

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

/* Premium card design */
.features-scroll-container .feature-card {
  flex: 0 0 400px;
  width: 400px;
  min-height: auto;
  display: flex;
  flex-direction: column;
  padding: 0;
  margin: 0;
  border-radius: var(--radius-xl);
  border: 1px solid var(--gray-200);
  background: var(--white);
  box-sizing: border-box;
  overflow: visible;
  position: relative;
  box-shadow: 0 4px 20px -4px rgba(0, 0, 0, 0.08);
  transition: box-shadow var(--transition-base);
}

.features-scroll-container .feature-card:hover {
  box-shadow:
    0 12px 32px -8px rgba(0, 0, 0, 0.12),
    0 0 0 1px rgba(0, 0, 0, 0.03);
}

/* Card inner content wrapper */
.features-scroll-container .feature-card-inner {
  padding: 48px 40px 32px;
  height: 100%;
  display: flex;
  flex-direction: column;
}

/* Floating icon - overlapping style */
.features-scroll-container .feature-icon {
  position: absolute;
  top: -28px;
  left: 40px;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  box-shadow:
    0 4px 12px -2px rgba(0, 0, 0, 0.08),
    0 0 0 1px rgba(0, 0, 0, 0.02);
  transition: all var(--transition-base);
}

.features-scroll-container .feature-card:hover .feature-icon {
  transform: translateY(-2px);
  box-shadow:
    0 8px 24px -4px rgba(0, 0, 0, 0.12),
    0 0 0 1px rgba(0, 0, 0, 0.03);
}

.features-scroll-container .feature-icon svg {
  width: 28px;
  height: 28px;
  stroke-width: 1.75;
}

.features-scroll-container .feature-card h3 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--black);
}

.features-scroll-container .feature-card-inner > p {
  font-size: 16px;
  line-height: 1.6;
  margin-bottom: 24px;
  color: var(--gray-600);
}

.features-scroll-container .feature-list {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.features-scroll-container .feature-list li {
  position: relative;
  font-size: 15px;
  padding-left: 28px;
  color: var(--gray-700);
  line-height: 1.5;
}

.features-scroll-container .feature-list li::before {
  content: '\2713';
  position: absolute;
  left: 0;
  color: var(--emerald-500);
  font-weight: 700;
}

/* ================================================
   How It Works Section
   ================================================ */

.how-it-works {
  padding: 100px 0;
  background-color: var(--white);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 32px;
}

.step-card {
  position: relative;
  padding: 32px 24px;
  text-align: center;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-xl);
  transition: all var(--transition-base);
}

.step-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: var(--gray-300);
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  margin-bottom: 20px;
  font-size: 20px;
  font-weight: 800;
  color: var(--white);
  background: var(--black);
  border-radius: var(--radius-full);
}

.step-card h3 {
  margin-bottom: 12px;
}

.step-card p {
  font-size: 14px;
  color: var(--gray-600);
  line-height: 1.6;
}

/* ================================================
   Pricing Section
   ================================================ */

.pricing {
  padding: 100px 0;
  background-color: var(--gray-50);
}

.pricing-teaser {
  max-width: 480px;
  margin: 0 auto;
}

.pricing-teaser-card {
  padding: 40px 32px;
  text-align: center;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
}

.pricing-status {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--gray-500);
  margin-bottom: 16px;
}

.pricing-desc {
  font-size: 15px;
  color: var(--gray-600);
  line-height: 1.6;
  margin-bottom: 32px;
}

.pricing-features {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 32px;
}

.pricing-feature {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.pricing-feature::before {
  content: '';
  width: 4px;
  height: 4px;
  background: var(--gray-400);
  border-radius: 50%;
}

.pricing-feature-label {
  font-size: 14px;
  color: var(--gray-600);
}

.pricing-teaser-card .btn {
  min-width: 160px;
}

/* ================================================
   Waitlist Section
   ================================================ */

.waitlist {
  position: relative;
  padding: 100px 0;
  background: var(--black);
  overflow: hidden;
}

/* Inverted Hero Background */
.waitlist-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.waitlist-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.25;
  animation: float 20s ease-in-out infinite;
}

.waitlist-orb-1 {
  width: 500px;
  height: 500px;
  background: linear-gradient(135deg, var(--gray-600) 0%, rgba(124, 58, 237, 0.3) 100%);
  top: -150px;
  right: -100px;
  animation-delay: -5s;
}

.waitlist-orb-2 {
  width: 400px;
  height: 400px;
  background: linear-gradient(135deg, var(--gray-700) 0%, rgba(37, 99, 235, 0.25) 100%);
  bottom: -100px;
  left: -80px;
  animation-delay: -12s;
  animation-duration: 25s;
}

.waitlist-orb-3 {
  width: 300px;
  height: 300px;
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.2) 0%, rgba(37, 99, 235, 0.15) 100%);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation-delay: -8s;
  animation-duration: 18s;
}

/* Inverted Grid Pattern - Light gray on dark */
.waitlist-grid {
  position: absolute;
  inset: -60px;
  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: 60px 60px;
  mask-image: linear-gradient(to bottom, transparent 0%, black 40%, black 60%, transparent 100%);
  -webkit-mask-image: linear-gradient(to bottom, transparent 0%, black 40%, black 60%, transparent 100%);
  animation: gridSlide 20s linear infinite;
}

.waitlist-content {
  position: relative;
  z-index: 1;
  max-width: 500px;
  margin: 0 auto;
  text-align: center;
}

.waitlist h2 {
  color: var(--white);
  margin-bottom: 12px;
}

.waitlist-subtitle {
  color: var(--gray-400);
  margin-bottom: 40px;
  font-size: 18px;
}

.waitlist-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 32px;
}

.form-group input {
  width: 100%;
  padding: 14px 18px;
  font-size: 16px;
  color: var(--white);
  background: var(--gray-900);
  border: 1px solid var(--gray-700);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
}

.form-group input::placeholder {
  color: var(--gray-500);
}

.form-group input:focus {
  outline: none;
  border-color: var(--gray-500);
  background: var(--gray-800);
}

.waitlist .btn-primary {
  background: var(--white);
  color: var(--black);
  border-color: var(--white);
}

.waitlist .btn-primary:hover {
  background: var(--gray-100);
  border-color: var(--gray-100);
}

.form-success {
  padding: 32px;
  background: var(--gray-900);
  border: 2px solid var(--emerald-500);
  border-radius: var(--radius-lg);
  margin-bottom: 32px;
}

.success-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  margin-bottom: 16px;
  font-size: 24px;
  color: var(--white);
  background: var(--emerald-500);
  border-radius: var(--radius-full);
}

.form-success h3 {
  color: var(--white);
  margin-bottom: 8px;
}

.form-success p {
  color: var(--gray-400);
}

.form-error {
  padding: 16px;
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid var(--red-500);
  border-radius: var(--radius-md);
  margin-bottom: 16px;
}

.form-error p {
  color: var(--red-500);
  font-size: 14px;
}

.waitlist-benefits {
  display: flex;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
}

.waitlist-benefits li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--gray-400);
}

.waitlist-benefits .check {
  color: var(--emerald-500);
  font-weight: 700;
  text-shadow:
    0 0 8px rgba(16, 185, 129, 0.6),
    0 0 16px rgba(16, 185, 129, 0.4),
    0 0 24px rgba(16, 185, 129, 0.2);
}

/* ================================================
   Footer
   ================================================ */

.footer {
  padding: 80px 0 32px;
  background: var(--gray-900);
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  margin-bottom: 48px;
}

.footer-brand .logo {
  margin-bottom: 16px;
}

.footer-brand .logo-text {
  color: var(--white);
}

.footer-tagline {
  font-size: 14px;
  color: var(--gray-500);
  line-height: 1.6;
}

.footer-links {
  display: flex;
  gap: 64px;
}

.footer-column h4 {
  color: var(--white);
  margin-bottom: 20px;
}

.footer-column ul {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-column a {
  font-size: 14px;
  color: var(--gray-400);
  transition: color var(--transition-base);
}

.footer-column a:hover {
  color: var(--white);
}

.footer-bottom {
  padding-top: 32px;
  border-top: 1px solid var(--gray-800);
}

.footer-bottom p {
  font-size: 14px;
  color: var(--gray-500);
}

/* ================================================
   Responsive Design
   ================================================ */

@media (max-width: 1024px) {
  :root {
    --container-padding: 24px;
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .footer-links {
    justify-content: flex-start;
  }
}

@media (max-width: 900px) {
  .nav-links,
  .nav .btn {
    display: none;
  }

  .mobile-menu-toggle {
    display: block;
  }
}

@media (max-width: 768px) {
  :root {
    --container-padding: 20px;
  }

  .hero {
    padding: 140px 0 80px;
    min-height: auto;
  }

  .hero-orb {
    filter: blur(80px);
    opacity: 0.35;
  }

  .hero-orb-1 {
    width: 350px;
    height: 350px;
  }

  .hero-orb-2 {
    width: 300px;
    height: 300px;
  }

  .hero-orb-3 {
    width: 200px;
    height: 200px;
  }

  .waitlist-orb {
    filter: blur(80px);
    opacity: 0.2;
  }

  .waitlist-orb-1 {
    width: 300px;
    height: 300px;
  }

  .waitlist-orb-2 {
    width: 250px;
    height: 250px;
  }

  .waitlist-orb-3 {
    width: 180px;
    height: 180px;
  }

  .hero-title-line {
    font-size: clamp(22px, 5vw, 28px);
  }

  .hero-title-accent {
    font-size: clamp(36px, 8vw, 48px);
  }

  .hero-subtitle {
    font-size: 16px;
    margin-bottom: 36px;
  }

  .hero-cta {
    flex-direction: column;
    width: 100%;
  }

  .hero-cta .btn {
    width: 100%;
    max-width: 320px;
  }

  .stats,
  .features,
  .features-scroll-container,
  .how-it-works,
  .pricing,
  .waitlist {
    padding: 80px 0;
  }

  .section-header {
    margin-bottom: 48px;
  }

  .features-grid,
  .steps-grid {
    gap: 24px;
  }

  .feature-card,
  .step-card {
    padding: 48px 24px 32px;
  }

  .feature-icon {
    left: 24px;
  }

  /* Features Carousel - Mobile Fallback (stacked cards) */
  .features-scroll-container {
    height: auto;
  }

  .features-sticky {
    position: relative;
    height: auto;
    padding-top: 0;
    justify-content: flex-start;
  }

  .features-sticky .section-header {
    margin-bottom: 48px;
  }

  .features-carousel-viewport {
    overflow: visible;
  }

  .features-carousel-track {
    display: flex;
    flex-direction: column;
    width: 100%;
    gap: 40px;
    padding: 24px var(--container-padding) 0;
    transform: none !important;
    animation: none;
  }

  .features-scroll-container .feature-card {
    flex: none;
    width: 100%;
    height: auto;
    min-height: auto;
    border-radius: var(--radius-xl);
    border: 1px solid var(--gray-200);
    opacity: 1;
    transform: none;
    box-shadow: var(--shadow-md);
  }

  .features-scroll-container .feature-card-inner {
    padding: 48px 24px 32px;
  }

  .features-scroll-container .feature-icon {
    position: absolute;
    top: -24px;
    left: 24px;
    width: 48px;
    height: 48px;
  }

  .features-scroll-container .feature-icon svg {
    width: 24px;
    height: 24px;
  }

  .features-scroll-container .feature-card h3 {
    font-size: 20px;
  }

  .features-scroll-container .feature-card-inner > p {
    font-size: 15px;
    margin-bottom: 20px;
  }

  .features-scroll-container .feature-list {
    gap: 10px;
  }

  .features-scroll-container .feature-list li {
    font-size: 14px;
  }

  .pricing-teaser-card {
    padding: 32px 24px;
  }

  .waitlist-benefits {
    flex-direction: column;
    align-items: center;
    gap: 12px;
  }

  .footer-links {
    flex-direction: column;
    gap: 32px;
  }
}

@media (max-width: 480px) {
  h1 {
    font-size: 32px;
  }

  h2 {
    font-size: 28px;
  }

  .stat-number {
    font-size: 40px;
  }

  .mobile-nav-menu {
    width: 100%;
  }

  .mobile-nav-links a {
    font-size: 16px;
    padding: 14px 16px;
  }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  .hero-orb,
  .waitlist-orb,
  .hero-grid,
  .waitlist-grid {
    animation: none;
  }

  .hero-animate {
    animation: none;
    opacity: 1;
    transform: none;
  }

  .hero-title-accent {
    animation: none;
    background-position: 0% 50%;
  }

  /* Features carousel - disable auto-slide animation */
  .features-carousel-track {
    animation: none;
  }
}