/* ==========================================================================
   MACRO LIFT - MODERN DESIGN SYSTEM & WEB STYLES
   ========================================================================== */

/* --------------------------------------------------------------------------
   0. Font Declarations & Variables
   -------------------------------------------------------------------------- */

@font-face {
  font-family: 'Poppins';
  src: url('../fonts/Poppins-Light.ttf') format('truetype');
  font-weight: 300;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Poppins';
  src: url('../fonts/Poppins-Regular.ttf') format('truetype');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Poppins';
  src: url('../fonts/Poppins-Medium.ttf') format('truetype');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Poppins';
  src: url('../fonts/Poppins-SemiBold.ttf') format('truetype');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Poppins';
  src: url('../fonts/Poppins-Bold.ttf') format('truetype');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Poppins';
  src: url('../fonts/Poppins-ExtraBold.ttf') format('truetype');
  font-weight: 800;
  font-style: normal;
  font-display: swap;
}

:root {
  /* Brand Color Assets - Derived directly from the Macro Lift App Logo/Icon */
  --accent-primary-base: #f55205;    /* High-energy Sunset Orange */
  --accent-secondary-base: #5371fd;  /* Hydration/Metric Electric Blue */
  
  /* DEFAULT: MODERN ObsIDian Dark Theme Variables */
  --bg-darkest: #07090e;
  --bg-primary: #0a0e17;
  --bg-secondary: #121824;
  --bg-card: rgba(18, 24, 36, 0.7);
  --bg-card-hover: rgba(26, 34, 50, 0.8);
  
  /* Mapped Brand Colors for Dark Mode */
  --accent-lime: var(--accent-primary-base);
  --accent-lime-hover: #ff661b;
  --accent-cyan: var(--accent-secondary-base);
  --accent-cyan-hover: #6d88ff;
  --accent-violet: #8b5cf6;
  --accent-rose: #ef4444;
  
  /* Text and details */
  --text-primary: #f8fafc;
  --text-muted: #94a3b8;
  --text-subtle: #64748b;
  
  /* Containers and details */
  --border-color: rgba(255, 255, 255, 0.08);
  --glass-border: 1px solid rgba(255, 255, 255, 0.08);
  --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  --glow-opacity: 0.15;
  
  /* CSS Phone Mockup variables */
  --phone-bg: #0f131a;
  --phone-border: #232a35;
  --phone-screen-bg: #090b0e;
  --widget-bg: rgba(255, 255, 255, 0.03);
  --widget-border: 1px solid rgba(255, 255, 255, 0.06);

  /* Layout and shapes */
  --border-radius-sm: 8px;
  --border-radius-md: 16px;
  --border-radius-lg: 24px;
  --border-radius-full: 9999px;
  --transition-smooth: all 0.35s cubic-bezier(0.25, 0.8, 0.25, 1);
  --font-sans: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  
  /* Pre-2024 Gradient Fallback Preamble variables */
  --in-oklab: ;
  --in-oklch: ;
}

/* --------------------------------------------------------------------------
   0.1 Light Mode Variable Overrides
   -------------------------------------------------------------------------- */

html[data-theme="light"] {
  /* LIGHT: Premium High-Contrast Light Theme Variables */
  --bg-darkest: #f1f5f9;
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-card: rgba(255, 255, 255, 0.8);
  --bg-card-hover: rgba(255, 255, 255, 0.95);
  
  /* Mapped Brand Colors for Light Mode (Darkened slightly for WCAG AA readability contrast) */
  --accent-lime: #d84300;            /* Deepened Sunset Orange */
  --accent-lime-hover: var(--accent-primary-base);
  --accent-cyan: #3b52d9;            /* Deepened Electric Blue */
  --accent-cyan-hover: var(--accent-secondary-base);
  --accent-violet: #6d28d9;
  --accent-rose: #dc2626;
  
  /* Text and details */
  --text-primary: #0f172a;
  --text-muted: #475569;
  --text-subtle: #94a3b8;
  
  /* Containers and details */
  --border-color: rgba(15, 23, 42, 0.08);
  --glass-border: 1px solid rgba(15, 23, 42, 0.08);
  --glass-shadow: 0 8px 32px 0 rgba(15, 23, 42, 0.05);
  --glow-opacity: 0.06;
  
  /* CSS Phone Mockup variables */
  --phone-bg: #e2e8f0;
  --phone-border: #cbd5e1;
  --phone-screen-bg: #f8fafc;
  --widget-bg: rgba(15, 23, 42, 0.03);
  --widget-border: 1px solid rgba(15, 23, 42, 0.06);
}

@supports (linear-gradient(in oklab, white, black)) {
  :root {
    --in-oklab: in oklab;
    --in-oklch: in oklch;
  }
}

/* --------------------------------------------------------------------------
   1. Base Reset & Typography
   -------------------------------------------------------------------------- */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  transition: background-color 0.3s ease, border-color 0.3s ease;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  background-color: var(--bg-darkest);
  color: var(--text-primary);
  font-family: var(--font-sans);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  background-color: var(--bg-darkest);
  color: var(--text-primary);
}

/* Base Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-darkest);
}
::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: var(--border-radius-full);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent-lime);
}

/* Layout Utilities */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

section {
  padding: 6rem 0;
  position: relative;
}

/* Decorative Background Glows */
.bg-glow-wrapper {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
}

.bg-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(150px);
  opacity: var(--glow-opacity);
  transition: opacity 0.3s ease, background 0.3s ease;
}

.glow-1 {
  background: var(--accent-lime);
  width: 500px;
  height: 500px;
  top: -150px;
  right: -100px;
}

.glow-2 {
  background: var(--accent-cyan);
  width: 400px;
  height: 400px;
  top: 40%;
  left: -150px;
}

.glow-3 {
  background: var(--accent-violet);
  width: 600px;
  height: 600px;
  bottom: -200px;
  right: -200px;
}

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

h1 {
  font-size: 3.5rem;
  letter-spacing: -0.03em;
}

h2 {
  font-size: 2.5rem;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}

h3 {
  font-size: 1.5rem;
  font-weight: 600;
}

p {
  color: var(--text-muted);
  line-height: 1.7;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-smooth);
}

/* Gradient text */
.gradient-text {
  background: linear-gradient(135deg var(--in-oklch), var(--accent-lime) 30%, var(--accent-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.gradient-text-alt {
  background: linear-gradient(135deg var(--in-oklch), var(--accent-cyan), var(--accent-violet));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Glassmorphism Panel standard */
.glass-panel {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: var(--glass-border);
  box-shadow: var(--glass-shadow);
  border-radius: var(--border-radius-md);
  transition: var(--transition-smooth);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-sans);
  font-weight: 500;
  padding: 0.85rem 1.75rem;
  border-radius: var(--border-radius-full);
  border: none;
  cursor: pointer;
  transition: var(--transition-smooth);
  font-size: 0.95rem;
}

.btn-primary {
  background: var(--accent-lime);
  color: #ffffff;
  font-weight: 600;
  box-shadow: 0 4px 20px color-mix(in srgb, var(--accent-lime) 30%, transparent);
}

html[data-theme="dark"] .btn-primary {
  color: #07090e; /* Dark background contrast for dark mode */
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px color-mix(in srgb, var(--accent-lime) 50%, transparent);
  background: var(--accent-lime-hover);
}

.btn-secondary {
  background: var(--widget-bg);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

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

.btn-accent {
  background: linear-gradient(135deg var(--in-oklch), var(--accent-cyan), var(--accent-violet));
  color: #ffffff;
  box-shadow: 0 4px 20px color-mix(in srgb, var(--accent-cyan) 30%, transparent);
  font-weight: 600;
}

.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px color-mix(in srgb, var(--accent-violet) 50%, transparent);
}

/* --------------------------------------------------------------------------
   2. Header & Glassmorphic Navbar
   -------------------------------------------------------------------------- */

header.main-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 1.25rem 0;
  transition: var(--transition-smooth);
}

header.main-header.scrolled {
  padding: 0.75rem 0;
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
}

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

.logo-container {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-img {
  height: 36px;
  width: auto;
  object-fit: contain;
}

.brand-name {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  list-style: none;
}

.nav-links a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-muted);
  position: relative;
  padding: 0.25rem 0;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text-primary);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-lime);
  transition: var(--transition-smooth);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

/* Theme Switcher Button styles */
.theme-toggle-btn {
  background: var(--widget-bg);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  cursor: pointer;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.theme-toggle-btn:hover {
  background: var(--bg-card-hover);
  transform: scale(1.05);
  border-color: var(--text-muted);
}

.theme-toggle-btn .sun-icon,
.theme-toggle-btn .moon-icon {
  position: absolute;
  transition: transform 0.4s cubic-bezier(0.25, 0.8, 0.25, 1), opacity 0.3s ease;
}

/* Dark mode state: show Sun, hide Moon */
html[data-theme="dark"] .theme-toggle-btn .sun-icon {
  opacity: 1;
  transform: rotate(0deg);
}
html[data-theme="dark"] .theme-toggle-btn .moon-icon {
  opacity: 0;
  transform: rotate(90deg) scale(0);
}

/* Light mode state: show Moon, hide Sun */
html[data-theme="light"] .theme-toggle-btn .sun-icon {
  opacity: 0;
  transform: rotate(-90deg) scale(0);
}
html[data-theme="light"] .theme-toggle-btn .moon-icon {
  opacity: 1;
  transform: rotate(0deg);
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.75rem;
  cursor: pointer;
}

/* --------------------------------------------------------------------------
   3. Hero Section & CSS App Mockup
   -------------------------------------------------------------------------- */

.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 8rem;
  padding-bottom: 4rem;
  z-index: 1;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 4rem;
  align-items: center;
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  z-index: 2;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: color-mix(in srgb, var(--accent-lime) 10%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent-lime) 25%, transparent);
  color: var(--accent-lime);
  padding: 0.4rem 1rem;
  border-radius: var(--border-radius-full);
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 1.5rem;
  box-shadow: 0 0 15px color-mix(in srgb, var(--accent-lime) 5%, transparent);
}

.hero-tag .dot {
  width: 6px;
  height: 6px;
  background: var(--accent-lime);
  border-radius: 50%;
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0% { transform: scale(0.9); opacity: 0.6; }
  50% { transform: scale(1.2); opacity: 1; box-shadow: 0 0 8px var(--accent-lime); }
  100% { transform: scale(0.9); opacity: 0.6; }
}

.hero-content h1 {
  margin-bottom: 1.5rem;
  line-height: 1.15;
}

.hero-content p.lead {
  font-size: 1.15rem;
  margin-bottom: 2.5rem;
  color: var(--text-muted);
}

.hero-actions {
  display: flex;
  gap: 1rem;
  margin-bottom: 3rem;
  width: 100%;
}

.hero-stats {
  display: flex;
  gap: 3rem;
  border-top: 1px solid var(--border-color);
  padding-top: 2rem;
  width: 100%;
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-value {
  font-size: 2rem;
  font-weight: 800;
  color: var(--text-primary);
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* --- High-Fidelity CSS App Mockup --- */
.hero-mockup-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  z-index: 10;
}

.mockup-background-glow {
  position: absolute;
  width: 320px;
  height: 320px;
  background: radial-gradient(circle, color-mix(in srgb, var(--accent-cyan) 35%, transparent) 0%, rgba(139, 92, 246, 0) 70%);
  filter: blur(40px);
  z-index: -1;
  animation: glow-breathe 8s infinite ease-in-out alternate;
}

@keyframes glow-breathe {
  0% { transform: scale(0.9); opacity: 0.6; }
  100% { transform: scale(1.25); opacity: 1; }
}

/* Smartphone CSS Container */
.phone-mockup {
  width: 290px;
  height: 600px;
  background: var(--phone-bg);
  border: 10px solid var(--phone-border);
  border-radius: 40px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.4), 
              0 0 0 1px var(--border-color),
              inset 0 0 15px rgba(0,0,0,0.15);
  position: relative;
  overflow: hidden;
  user-select: none;
}

html[data-theme="dark"] .phone-mockup {
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.8), 
              0 0 0 1px rgba(255, 255, 255, 0.05),
              inset 0 0 15px rgba(0,0,0,0.9);
}

/* Phone details */
.phone-mockup::before {
  content: '';
  position: absolute;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  width: 90px;
  height: 24px;
  background: #000;
  border-radius: 20px;
  z-index: 999;
}

/* Inner Phone Screen */
.phone-screen {
  width: 100%;
  height: 100%;
  background: var(--phone-screen-bg);
  padding: 3rem 1rem 1rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  overflow-y: auto;
  overflow-x: hidden;
  scrollbar-width: none;
}
.phone-screen::-webkit-scrollbar {
  display: none;
}

/* UI Elements inside mockup screen */
.phone-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
}

.phone-user {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.phone-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-violet));
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.phone-welcome {
  display: flex;
  flex-direction: column;
}

.phone-welcome span:first-child {
  font-size: 0.65rem;
  color: var(--text-muted);
}
.phone-welcome span:last-child {
  font-size: 0.8rem;
  font-weight: 600;
}

.phone-notification-btn {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--widget-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  border: var(--widget-border);
}

/* Phone Widgets */
.phone-widget {
  background: var(--widget-bg);
  border: var(--widget-border);
  border-radius: 20px;
  padding: 1rem;
}

.phone-widget.calorie-ring-widget {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
}

.calorie-circle-container {
  position: relative;
  width: 90px;
  height: 90px;
}

.calorie-svg-circle {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.circle-bg {
  fill: none;
  stroke: var(--border-color);
  stroke-width: 8;
}

.circle-progress {
  fill: none;
  stroke: var(--accent-lime);
  stroke-width: 8;
  stroke-dasharray: 226;
  stroke-dashoffset: 65; /* ~70% done */
  stroke-linecap: round;
  transition: stroke-dashoffset 1s ease;
}

.calorie-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.calorie-number {
  font-size: 0.95rem;
  font-weight: 700;
}

.calorie-label {
  font-size: 0.5rem;
  color: var(--text-muted);
  text-transform: uppercase;
}

.calorie-stats {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  flex: 1;
}

.macro-bar-item {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.macro-label-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.65rem;
}

.macro-name {
  font-weight: 500;
  color: var(--text-muted);
}

.macro-value {
  font-weight: 600;
}

.macro-track-bg {
  height: 5px;
  background: var(--border-color);
  border-radius: 3px;
  overflow: hidden;
}

.macro-track-fill {
  height: 100%;
  border-radius: 3px;
}
.macro-fill-protein { width: 80%; background: var(--accent-lime); }
.macro-fill-carbs { width: 60%; background: var(--accent-cyan); }
.macro-fill-fats { width: 45%; background: var(--accent-rose); }

/* Workouts widget list */
.phone-section-title {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-top: 0.25rem;
  margin-bottom: 0.25rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.phone-section-title a {
  font-size: 0.65rem;
  color: var(--accent-lime);
}

.workout-mini-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.workout-mini-card {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--widget-bg);
  border: var(--widget-border);
  border-radius: 12px;
  padding: 0.65rem;
}

.workout-mini-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: color-mix(in srgb, var(--accent-lime) 10%, transparent);
  color: var(--accent-lime);
  display: flex;
  align-items: center;
  justify-content: center;
}

.workout-mini-info {
  display: flex;
  flex-direction: column;
  flex: 1;
}

.workout-mini-name {
  font-size: 0.75rem;
  font-weight: 600;
}

.workout-mini-details {
  font-size: 0.6rem;
  color: var(--text-muted);
}

.workout-mini-sets {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--accent-lime);
  background: color-mix(in srgb, var(--accent-lime) 8%, transparent);
  padding: 0.2rem 0.4rem;
  border-radius: 6px;
}

.screenshot-placeholder-mockup {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  border: 2px dashed var(--border-color);
  background: var(--widget-bg);
  border-radius: 20px;
  padding: 2rem;
}

.screenshot-placeholder-mockup svg {
  color: var(--accent-lime);
  margin-bottom: 1rem;
}

.screenshot-placeholder-mockup h4 {
  font-size: 1rem;
  margin-bottom: 0.5rem;
}

.screenshot-placeholder-mockup p {
  font-size: 0.75rem;
}

/* --------------------------------------------------------------------------
   4. Features Section
   -------------------------------------------------------------------------- */

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 4.5rem auto;
}

.section-tag {
  display: inline-block;
  color: var(--accent-lime);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 0.75rem;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.feature-card {
  padding: 2.5rem 2rem;
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, color-mix(in srgb, var(--accent-lime) 3%, transparent) 0%, rgba(255, 255, 255, 0) 100%);
  opacity: 0;
  transition: var(--transition-smooth);
  z-index: -1;
}

.feature-card:hover {
  transform: translateY(-8px);
  border-color: color-mix(in srgb, var(--accent-lime) 25%, transparent);
  background: var(--bg-card-hover);
  box-shadow: var(--glass-shadow), 
              0 0 20px color-mix(in srgb, var(--accent-lime) 5%, transparent);
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-icon-wrapper {
  width: 56px;
  height: 56px;
  border-radius: var(--border-radius-md);
  background: var(--widget-bg);
  border: var(--widget-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-lime);
  margin-bottom: 1.75rem;
  transition: var(--transition-smooth);
}

.feature-card:hover .feature-icon-wrapper {
  background: var(--accent-lime);
  color: #ffffff;
  box-shadow: 0 4px 15px color-mix(in srgb, var(--accent-lime) 40%, transparent);
}

html[data-theme="dark"] .feature-card:hover .feature-icon-wrapper {
  color: #07090e;
}

.feature-card h3 {
  margin-bottom: 1rem;
}

.feature-card p {
  font-size: 0.95rem;
  color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   5. Interactive App Screenshot Showcase Section
   -------------------------------------------------------------------------- */

.showcase-section {
  background: linear-gradient(to bottom, var(--bg-darkest) 0%, var(--bg-secondary) 50%, var(--bg-darkest) 100%);
}

.showcase-layout {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 5rem;
  align-items: center;
}

.showcase-content {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.showcase-steps {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-top: 1rem;
}

.step-item {
  display: flex;
  gap: 1.25rem;
  padding: 1.25rem;
  border-radius: var(--border-radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.step-item:hover,
.step-item.active {
  background: var(--widget-bg);
  border: var(--widget-border);
}

.step-item.active {
  border-left: 3px solid var(--accent-cyan);
}

.step-num {
  font-size: 1.1rem;
  font-weight: 700;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: color-mix(in srgb, var(--accent-cyan) 10%, transparent);
  color: var(--accent-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.step-item.active .step-num {
  background: var(--accent-cyan);
  color: #ffffff;
  box-shadow: 0 4px 15px color-mix(in srgb, var(--accent-cyan) 30%, transparent);
}

html[data-theme="dark"] .step-item.active .step-num {
  color: #07090e;
}

.step-text h4 {
  font-size: 1.1rem;
  margin-bottom: 0.25rem;
}

.step-text p {
  font-size: 0.9rem;
}

.showcase-mockup-area {
  display: flex;
  justify-content: center;
  align-items: center;
}

/* Smartphone Showcase Mockup wrapper (Larger horizontal aspect) */
.showcase-phone-frame {
  width: 100%;
  max-width: 580px;
  background: var(--bg-card);
  border: var(--glass-border);
  box-shadow: var(--glass-shadow);
  border-radius: var(--border-radius-lg);
  padding: 2rem;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.showcase-phone-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 1rem;
}

.showcase-dots {
  display: flex;
  gap: 0.5rem;
}

.showcase-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--border-color);
}

.showcase-dot:nth-child(1) { background: #ff5f56; }
.showcase-dot:nth-child(2) { background: #ffbd2e; }
.showcase-dot:nth-child(3) { background: #27c93f; }

.showcase-window-title {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
}

/* Screenshot Placeholder Area */
.screenshot-container-placeholder {
  width: 100%;
  height: 350px;
  border-radius: var(--border-radius-md);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  text-align: center;
  position: relative;
  overflow: hidden;
  transition: var(--transition-smooth);
}

.screenshot-image-slot {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: var(--transition-smooth);
}

.screenshot-image-slot.active {
  opacity: 1;
}

.screenshot-placeholder-info {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  z-index: 10;
  color: var(--text-muted);
}

.screenshot-placeholder-info.hidden {
  display: none;
}

.screenshot-placeholder-info svg {
  color: var(--accent-cyan);
}

.screenshot-placeholder-title {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-primary);
}

.screenshot-placeholder-desc {
  font-size: 0.85rem;
  max-width: 320px;
}

.screenshot-badge {
  background: color-mix(in srgb, var(--accent-cyan) 12%, transparent);
  color: var(--accent-cyan);
  border: 1px solid color-mix(in srgb, var(--accent-cyan) 20%, transparent);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.35rem 0.85rem;
  border-radius: var(--border-radius-full);
}

/* --------------------------------------------------------------------------
   6. Pricing Section
   -------------------------------------------------------------------------- */

.pricing-section {
  z-index: 1;
}

.pricing-switcher-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  margin-bottom: 4rem;
}

.pricing-switch-label {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: var(--transition-smooth);
}

.pricing-switch-label.active {
  color: var(--text-primary);
  font-weight: 600;
}

.pricing-toggle {
  width: 60px;
  height: 32px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-full);
  position: relative;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.pricing-toggle-circle {
  width: 24px;
  height: 24px;
  background: var(--accent-lime);
  border-radius: 50%;
  position: absolute;
  top: 3px;
  left: 4px;
  transition: transform 0.35s cubic-bezier(0.25, 0.8, 0.25, 1);
  box-shadow: 0 2px 8px color-mix(in srgb, var(--accent-lime) 40%, transparent);
}

.pricing-toggle.annual .pricing-toggle-circle {
  transform: translateX(28px);
}

.annual-badge-discount {
  background: color-mix(in srgb, var(--accent-lime) 10%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent-lime) 25%, transparent);
  color: var(--accent-lime);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.2rem 0.6rem;
  border-radius: var(--border-radius-full);
}

.pricing-cards-container {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2.25rem;
  align-items: stretch;
  max-width: 840px;
  margin: 0 auto;
}

.pricing-card {
  padding: 3rem 2.25rem;
  display: flex;
  flex-direction: column;
  position: relative;
}

.pricing-card.premium-glow {
  border-color: color-mix(in srgb, var(--accent-cyan) 30%, transparent);
  background: var(--bg-card);
  box-shadow: var(--glass-shadow), 
              0 0 30px color-mix(in srgb, var(--accent-cyan) 5%, transparent);
}

.pricing-card.premium-glow::after {
  content: '';
  position: absolute;
  top: -1px;
  left: 10%;
  right: 10%;
  height: 2px;
  background: linear-gradient(to right, transparent, var(--accent-cyan), var(--accent-violet), transparent);
}

.pricing-badge {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  background: linear-gradient(135deg var(--in-oklch), var(--accent-cyan), var(--accent-violet));
  color: #ffffff;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.3rem 0.85rem;
  border-radius: var(--border-radius-full);
  box-shadow: 0 4px 10px color-mix(in srgb, var(--accent-cyan) 30%, transparent);
}

.pricing-card-header h3 {
  font-size: 1.45rem;
  margin-bottom: 0.5rem;
}

.pricing-card-header p {
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
}

.pricing-card-price-row {
  display: flex;
  align-items: baseline;
  margin-bottom: 2rem;
}

.pricing-price-currency {
  font-size: 1.5rem;
  font-weight: 700;
  margin-right: 0.15rem;
}

.pricing-price-amount {
  font-size: 3.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  transition: var(--transition-smooth);
}

.pricing-price-period {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-left: 0.5rem;
}

.pricing-card-features-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 2.5rem;
  flex: 1;
}

.pricing-feature-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.95rem;
}

.pricing-feature-check {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: color-mix(in srgb, var(--accent-lime) 10%, transparent);
  color: var(--accent-lime);
  font-size: 0.75rem;
  flex-shrink: 0;
}

.pricing-feature-check.cross {
  background: color-mix(in srgb, var(--accent-rose) 10%, transparent);
  color: var(--accent-rose);
}

.pricing-feature-item.muted {
  color: var(--text-subtle);
  text-decoration: line-through;
}

.pricing-card .btn {
  width: 100%;
}

/* --------------------------------------------------------------------------
   7. Testimonials & Social Proof
   -------------------------------------------------------------------------- */

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.testimonial-card {
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
}

.testimonial-stars {
  display: flex;
  gap: 0.25rem;
  color: var(--accent-lime);
  margin-bottom: 1.25rem;
}

.testimonial-text {
  font-size: 0.95rem;
  color: var(--text-primary);
  line-height: 1.7;
  font-style: italic;
  margin-bottom: 2rem;
  flex: 1;
}

.testimonial-user {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.testimonial-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--border-color);
  object-fit: cover;
}

.testimonial-user-info h4 {
  font-size: 0.95rem;
  margin-bottom: 0.1rem;
}

.testimonial-user-info span {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   8. FAQ Accordion Section
   -------------------------------------------------------------------------- */

.faq-container {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background: var(--bg-card);
  border: var(--glass-border);
  border-radius: var(--border-radius-md);
  overflow: hidden;
  transition: var(--transition-smooth);
}

.faq-item:hover {
  border-color: var(--text-muted);
  background: var(--bg-card-hover);
}

.faq-question-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 2rem;
  background: none;
  border: none;
  text-align: left;
  cursor: pointer;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 1.1rem;
}

.faq-chevron {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-lime);
  transition: transform 0.3s ease;
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
  padding: 0 2rem;
}

.faq-answer-inner {
  padding-bottom: 1.5rem;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* --------------------------------------------------------------------------
   9. Footer & Newsletter Form
   -------------------------------------------------------------------------- */

.footer-top {
  border-top: 1px solid var(--border-color);
  padding-top: 5rem;
  padding-bottom: 3rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 1fr;
  gap: 4rem;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.footer-logo-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.footer-desc {
  font-size: 0.9rem;
  max-width: 320px;
}

.footer-socials {
  display: flex;
  gap: 1rem;
}

.social-link {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--widget-bg);
  border: var(--widget-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: var(--transition-smooth);
}

.social-link:hover {
  background: var(--accent-lime);
  color: #ffffff;
  border-color: var(--accent-lime);
  transform: translateY(-3px);
  box-shadow: 0 4px 12px color-mix(in srgb, var(--accent-lime) 30%, transparent);
}

html[data-theme="dark"] .social-link:hover {
  color: #07090e;
}

.footer-links-col {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.footer-links-col h4 {
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-primary);
}

.footer-links-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links-list a {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.footer-links-list a:hover {
  color: var(--accent-lime);
  padding-left: 4px;
}

.footer-newsletter-col {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.footer-newsletter-col h4 {
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-newsletter-col p {
  font-size: 0.9rem;
}

/* Newsletter Input Styles with Modern State Styling */
.newsletter-form {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.newsletter-input-group {
  position: relative;
  display: flex;
  background: var(--widget-bg);
  border: var(--widget-border);
  border-radius: var(--border-radius-full);
  padding: 0.25rem;
  transition: var(--transition-smooth);
}

.newsletter-input-group:focus-within {
  border-color: var(--accent-lime);
  background: var(--bg-card);
  box-shadow: 0 0 15px color-mix(in srgb, var(--accent-lime) 10%, transparent);
}

.newsletter-input {
  flex: 1;
  background: none;
  border: none;
  padding: 0.6rem 1.25rem;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  outline: none;
}

.newsletter-input::placeholder {
  color: var(--text-subtle);
}

.newsletter-submit-btn {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--accent-lime);
  color: #ffffff;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-smooth);
}

html[data-theme="dark"] .newsletter-submit-btn {
  color: #07090e;
}

.newsletter-submit-btn:hover {
  transform: scale(1.05);
  background: var(--accent-lime-hover);
}

/* HTML5 User Validation styling hook */
.newsletter-input:user-valid {
  border-color: color-mix(in srgb, var(--accent-lime) 50%, transparent);
}

.newsletter-status-message {
  font-size: 0.8rem;
  margin-top: 0.25rem;
  display: none;
}

.newsletter-status-message.success {
  color: var(--accent-lime);
  display: block;
}

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding: 2rem 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: var(--text-subtle);
}

.footer-bottom-links {
  display: flex;
  gap: 2rem;
}

.footer-bottom-links a:hover {
  color: var(--accent-lime);
}

/* --------------------------------------------------------------------------
   10. Responsive Media Queries
   -------------------------------------------------------------------------- */

@media (max-width: 1024px) {
  h1 { font-size: 3rem; }
  h2 { font-size: 2.2rem; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .testimonials-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-cards-container { grid-template-columns: repeat(2, 1fr); gap: 2rem; }
  .pricing-card.premium-glow { grid-column: span 2; }
}

@media (max-width: 768px) {
  h1 { font-size: 2.5rem; }
  h2 { font-size: 1.85rem; }
  
  section { padding: 4rem 0; }
  
  .nav-links {
    display: none; /* In production, you'd add a mobile drawer wrapper */
  }
  
  .mobile-menu-btn {
    display: block;
  }
  
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
    text-align: center;
  }
  
  .hero-content {
    align-items: center;
  }
  
  .hero-actions {
    justify-content: center;
    flex-wrap: wrap;
  }
  
  .hero-stats {
    justify-content: center;
    gap: 2rem;
  }
  
  .features-grid { grid-template-columns: 1fr; }
  
  .showcase-layout {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  
  .testimonials-grid { grid-template-columns: 1fr; }
  
  .pricing-cards-container { grid-template-columns: 1fr; }
  .pricing-card.premium-glow { grid-column: span 1; }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
    text-align: center;
  }
  
  .footer-brand {
    align-items: center;
  }
  
  .footer-socials {
    justify-content: center;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: 1.5rem;
    text-align: center;
  }
}

/* --------------------------------------------------------------------------
   11. Legal Document Styling (Privacy & Terms)
   -------------------------------------------------------------------------- */

.legal-grid {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 4rem;
  align-items: start;
}

.legal-sidebar {
  position: sticky;
  top: 100px;
  max-height: calc(100vh - 120px);
  overflow-y: auto;
  padding-right: 1.5rem;
}

/* Hide scrollbar on legal sidebar */
.legal-sidebar::-webkit-scrollbar {
  display: none;
}
.legal-sidebar {
  scrollbar-width: none;
}

.legal-sidebar-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.legal-sidebar-list a {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 500;
  display: block;
  padding: 0.25rem 0;
  border-left: 2px solid transparent;
  padding-left: 1rem;
  transition: var(--transition-smooth);
}

.legal-sidebar-list a:hover {
  color: var(--accent-lime);
  padding-left: 1.25rem;
}

.legal-sidebar-list a.active {
  color: var(--accent-lime);
  font-weight: 600;
  border-left-color: var(--accent-lime);
  padding-left: 1.25rem;
}

.legal-content {
  display: flex;
  flex-direction: column;
  gap: 3.5rem;
}

.legal-doc-section {
  scroll-margin-top: 120px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 3.5rem;
}

.legal-content h2 {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* Accent bullet indicator on headings */
.legal-content h2::before {
  content: '';
  display: inline-block;
  width: 4px;
  height: 1.25rem;
  background: var(--accent-lime);
  border-radius: var(--border-radius-full);
}

.legal-content p {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 1.25rem;
}

.legal-content p a {
  color: var(--accent-lime);
  font-weight: 500;
}
.legal-content p a:hover {
  text-decoration: underline;
}

.legal-content ul, 
.legal-content ol {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 1.5rem;
  padding-left: 0.5rem;
}

.legal-content ul li {
  position: relative;
  padding-left: 1.5rem;
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.legal-content ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 6px;
  height: 6px;
  background: var(--accent-cyan);
  border-radius: 50%;
}

.legal-content ol {
  list-style: decimal;
  padding-left: 2rem;
}

.legal-content ol li {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.7;
  padding-left: 0.5rem;
  margin-bottom: 0.5rem;
}

@media (max-width: 992px) {
  .legal-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .legal-sidebar {
    position: static;
    max-height: none;
    padding-right: 0;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 2rem;
  }
  .legal-sidebar-list {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 1rem;
  }
  .legal-sidebar-list a {
    border-left: none;
    border-bottom: 2px solid transparent;
    padding-left: 0;
    padding-bottom: 0.25rem;
  }
  .legal-sidebar-list a.active {
    border-bottom-color: var(--accent-lime);
    padding-left: 0;
  }
}