/* ==========================================================================
   #GENERAL
   ========================================================================== */

/**
 * 1. Set default font family to system fonts for better performance and native feel
 * 2. Prevent adjustments of font size after orientation changes in iOS
 * 3. Improve text rendering
 * 4. Set base font size to 62.5% (10px) for easier rem calculations (1rem = 10px)
 */
:root {
  /* ===== Color System ===== */
  /* Primary Colors */
  --color-primary: #0071E3;
  --color-primary-dark: #0056B3;
  --color-primary-light: #E6F2FF;
  
  /* Neutral Colors */
  --color-black: #000000;
  --color-white: #FFFFFF;
  --color-gray-100: #F5F5F7;
  --color-gray-200: #E5E5EA;
  --color-gray-300: #D1D1D6;
  --color-gray-400: #C7C7CC;
  --color-gray-500: #8E8E93;
  --color-gray-600: #636366;
  --color-gray-700: #48484A;
  --color-gray-800: #3A3A3C;
  --color-gray-900: #1D1D1F;
  
  /* Semantic Colors */
  --color-success: #34C759;
  --color-warning: #FF9500;
  --color-error: #FF3B30;
  --color-info: #5AC8FA;
  
  /* Background Colors */
  --color-bg: var(--color-white);
  --color-bg-secondary: var(--color-gray-100);
  --color-bg-tertiary: var(--color-gray-200);
  
  /* Text Colors */
  --color-text: var(--color-gray-900);
  --color-text-secondary: var(--color-gray-700);
  --color-text-tertiary: var(--color-gray-600);
  --color-text-muted: var(--color-gray-500);
  --color-text-on-primary: var(--color-white);
  --color-text-on-dark: var(--color-white);
  
  /* Border Colors */
  --color-border: var(--color-gray-200);
  --color-border-hover: var(--color-gray-300);
  
  /* Shadow */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  
  /* Border Radius */
  --radius-sm: 6px;
  --radius: 8px;
  --radius-md: 10px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;
  
  /* Spacing */
  --spacing-1: 0.25rem;  /* 4px */
  --spacing-2: 0.5rem;   /* 8px */
  --spacing-3: 0.75rem;  /* 12px */
  --spacing-4: 1rem;     /* 16px */
  --spacing-5: 1.25rem;  /* 20px */
  --spacing-6: 1.5rem;   /* 24px */
  --spacing-8: 2rem;     /* 32px */
  --spacing-10: 2.5rem;  /* 40px */
  --spacing-12: 3rem;    /* 48px */
  --spacing-16: 4rem;    /* 64px */
  --spacing-20: 5rem;    /* 80px */
  --spacing-24: 6rem;    /* 96px */
  --spacing-32: 8rem;    /* 128px */
  --spacing-40: 10rem;   /* 160px */
  --spacing-48: 12rem;   /* 192px */
  --spacing-56: 14rem;   /* 224px */
  --spacing-64: 16rem;   /* 256px */
  
  /* Container Widths */
  --container-sm: 640px;
  --container-md: 768px;
  --container-lg: 1024px;
  --container-xl: 1280px;
  --container-2xl: 1536px;
  
  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition: 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Z-index */
  --z-0: 0;
  --z-10: 10;
  --z-20: 20;
  --z-30: 30;
  --z-40: 40;
  --z-50: 50;
  --z-auto: auto;
  
  /* Header */
  --header-height: 80px;
  --header-height-scrolled: 64px;
  
  /* Layout */
  --section-padding: 6rem 0;
  --section-padding-sm: 4rem 0;
  --section-padding-lg: 8rem 0;
  --section-padding-xl: 10rem 0;
  
  /* Grid */
  --grid-gap: 1.5rem;
  --grid-gap-lg: 2.5rem;
  
  /* Typography */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
  --font-display: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Icons", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-mono: SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  
  --text-xs: 0.75rem;   /* 12px */
  --text-sm: 0.875rem;   /* 14px */
  --text-base: 1rem;     /* 16px */
  --text-lg: 1.125rem;   /* 18px */
  --text-xl: 1.25rem;    /* 20px */
  --text-2xl: 1.5rem;    /* 24px */
  --text-3xl: 1.875rem;  /* 30px */
  --text-4xl: 2.25rem;   /* 36px */
  --text-5xl: 3rem;      /* 48px */
  --text-6xl: 3.75rem;   /* 60px */
  --text-7xl: 4.5rem;    /* 72px */
  --text-8xl: 6rem;      /* 96px */
  
  --font-light: 300;
  --font-normal: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;
  
  --leading-none: 1;
  --leading-tight: 1.1;
  --leading-snug: 1.375;
  --leading-normal: 1.5;
  --leading-relaxed: 1.625;
  --leading-loose: 2;
  
  --tracking-tighter: -0.05em;
  --tracking-tight: -0.025em;
  --tracking-normal: 0;
  --tracking-wide: 0.025em;
  --tracking-wider: 0.05em;
  --tracking-widest: 0.1em;
}

/* ==========================================================================
   #BASE
   ========================================================================== */

/**
 * 1. Prevent padding and border from affecting element width
 * 2. Set base font size to 62.5% (10px) for easier rem calculations (1rem = 10px)
 * 3. Set default font family to system fonts for better performance and native feel
 * 4. Prevent adjustments of font size after orientation changes in iOS
 * 5. Improve text rendering
 */
*,
*::before,
*::after {
  box-sizing: border-box; /* 1 */
  margin: 0;
  padding: 0;
}

html {
  -webkit-text-size-adjust: 100%; /* 4 */
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
  -webkit-font-smoothing: antialiased; /* 5 */
  -moz-osx-font-smoothing: grayscale; /* 5 */
  font-size: 100%; /* Use browser default (16px) for better readability */
  scroll-behavior: smooth;
  height: 100%;
}

body {
  font-family: var(--font-sans); /* 3 */
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: opacity var(--transition);
}

body.loading {
  opacity: 0;
}

body.loaded {
  opacity: 1;
}

/* ==========================================================================
   #TYPOGRAPHY
   ========================================================================== */

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: var(--font-semibold);
  line-height: var(--leading-tight);
  color: var(--color-text);
  margin-bottom: 1.5rem;
}

h1 {
  font-size: var(--text-5xl);
  font-weight: var(--font-bold);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

h2 {
  font-size: var(--text-4xl);
  font-weight: var(--font-semibold);
  line-height: 1.2;
  letter-spacing: -0.01em;
}

h3 {
  font-size: var(--text-3xl);
  line-height: 1.25;
}

h4 {
  font-size: var(--text-2xl);
  line-height: 1.3;
}

h5 {
  font-size: var(--text-xl);
  line-height: 1.35;
}

h6 {
  font-size: var(--text-lg);
  line-height: 1.4;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

p {
  margin-bottom: 1.5rem;
  line-height: var(--leading-relaxed);
  color: var(--color-text-secondary);
}

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

a:hover {
  color: var(--color-primary-dark);
  text-decoration: none;
}

/* Images */
img,
svg,
video {
  max-width: 100%;
  height: auto;
  vertical-align: middle;
  font-style: italic;
  background-repeat: no-repeat;
  background-size: cover;
  shape-margin: 0.75rem;
}

/* Lists */
ul,
ol {
  list-style: none;
  margin: 0;
  padding: 0;
}

/* ==========================================================================
   #LAYOUT
   ========================================================================== */

/* Container */
.container {
  width: 100%;
  max-width: var(--container-xl);
  margin: 0 auto;
  padding: 0 var(--spacing-6);
}

/* Skip Link */
.skip-link {
  position: absolute;
  top: -100%;
  left: 0;
  z-index: 1000;
  padding: 1rem;
  background: var(--color-primary);
  color: var(--color-white);
  font-weight: var(--font-semibold);
  text-decoration: none;
  transition: top 0.3s ease-in-out;
}

.skip-link:focus {
  top: 0;
}

/* Focus styles */
.using-keyboard :focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  box-shadow: 0 0 0 4px rgba(0, 113, 227, 0.3);
}

/* Hide visually but keep for screen readers */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Print styles */
@media print {
  *,
  *::before,
  *::after {
    background: transparent !important;
    color: #000 !important;
    box-shadow: none !important;
    text-shadow: none !important;
  }

  a,
  a:visited {
    text-decoration: underline;
  }

  a[href]::after {
    content: " (" attr(href) ")";
    font-size: 90%;
  }

  pre,
  blockquote {
    border: 1px solid #999;
    page-break-inside: avoid;
  }

  thead {
    display: table-header-group;
  }

  tr,
  img {
    page-break-inside: avoid;
  }

  img {
    max-width: 100% !important;
  }
  
  p,
  h2,
  h3 {
    orphans: 3;
    widows: 3;
  }
  
  h2,
  h3 {
    page-break-after: avoid;
  }
}

/* ==========================================================================
   #UTILITIES
   ========================================================================== */

/* Text */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.text-justify { text-align: justify; }

/* Display */
.hidden { display: none !important; }
.block { display: block; }
.inline-block { display: inline-block; }
.inline { display: inline; }
.flex { display: flex; }
.inline-flex { display: inline-flex; }
.grid { display: grid; }

/* Flexbox */
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-around { justify-content: space-around; }
.justify-start { justify-content: flex-start; }
.justify-end { justify-content: flex-end; }

/* Spacing */
.mx-auto { margin-left: auto; margin-right: auto; }
.my-0 { margin-top: 0; margin-bottom: 0; }
.mt-0 { margin-top: 0; }
.mr-0 { margin-right: 0; }
.mb-0 { margin-bottom: 0; }
.ml-0 { margin-left: 0; }
.m-0 { margin: 0; }

/* Responsive helpers */
@media (max-width: 1023px) {
  .lg\:hidden { display: none; }
}

@media (max-width: 767px) {
  .md\:hidden { display: none; }
}

@media (max-width: 639px) {
  .sm\:hidden { display: none; }
}

/* ==========================================================================
   #BUTTONS
   ========================================================================== */

/* Buttons */
button,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-sans);
  font-weight: var(--font-medium);
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  white-space: nowrap;
  vertical-align: middle;
  user-select: none;
  border: 1px solid transparent;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius);
  transition: all var(--transition);
  cursor: pointer;
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  position: relative;
  overflow: hidden;
}

button:focus,
.button:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(0, 113, 227, 0.3);
}

/* Primary Button */
.button--primary {
  background-color: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
  font-weight: var(--font-semibold);
  padding: 0.9375rem 2rem;
  border-radius: var(--radius-lg);
  box-shadow: 0 4px 14px 0 rgba(0, 113, 227, 0.3);
  transition: all var(--transition);
}

.button--primary:hover {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px 0 rgba(0, 113, 227, 0.4);
}

.button--primary:active {
  transform: translateY(0);
  box-shadow: 0 2px 10px 0 rgba(0, 113, 227, 0.5);
}

/* Outline Button */
.button--outline {
  background-color: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
  font-weight: var(--font-semibold);
  padding: 0.8125rem 1.5rem;
  border-radius: var(--radius-lg);
  transition: all var(--transition);
}

.button--outline:hover {
  background-color: rgba(0, 113, 227, 0.1);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px 0 rgba(0, 0, 0, 0.1);
}

.button--outline:active {
  transform: translateY(0);
  box-shadow: none;
}

/* Header */
/**
 * Header component with transparent background that becomes solid on scroll
 * and includes the logo and main navigation
 */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-50);
  height: var(--header-height);
  background-color: rgba(255, 255, 255, 0.8);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  box-shadow: 0 1px 0 0 rgba(0, 0, 0, 0.1);
  transition: all var(--transition-slow);
  will-change: transform, background-color, box-shadow, height;
}

.header--scrolled {
  height: var(--header-height-scrolled);
  background-color: rgba(255, 255, 255, 0.95);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  position: relative;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  z-index: var(--z-10);
}

.logo a {
  display: flex;
  align-items: center;
  transition: opacity var(--transition);
}

.logo a:hover {
  opacity: 0.8;
}

.logo img {
  height: 2.5rem;
  width: auto;
  display: block;
}

/* When the logo is text */
.logo-text {
  font-size: 1.8rem;
  font-weight: 600;
  color: var(--color-gray-900);
  text-decoration: none;
}

/* Desktop Navigation */
.nav {
  display: flex;
  align-items: center;
  margin-left: auto;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: var(--spacing-6);
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-item {
  position: relative;
  margin: 0;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text);
  text-decoration: none;
  padding: var(--spacing-2) var(--spacing-3);
  border-radius: var(--radius);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.nav-link::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--color-primary);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition);
}

.nav-link:hover,
.nav-link:focus-visible {
  color: var(--color-primary);
  outline: none;
}

.nav-link:hover::before,
.nav-link:focus-visible::before,
.nav-link.active::before {
  transform: scaleX(1);
  transform-origin: left;
}

.nav-link.active {
  color: var(--color-primary);
  font-weight: var(--font-semibold);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  padding: var(--spacing-2);
  margin-left: var(--spacing-2);
  cursor: pointer;
  z-index: calc(var(--z-50) + 1);
  position: relative;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  transition: background-color var(--transition);
}

.mobile-menu-toggle:hover {
  background-color: var(--color-gray-100);
}

.mobile-menu-toggle:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(0, 113, 227, 0.3);
}

.mobile-menu-toggle .line {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-text);
  transition: all var(--transition);
  position: relative;
  left: 50%;
  transform: translateX(-50%);
}

.mobile-menu-toggle .line:first-child {
  margin-bottom: 6px;
}

.mobile-menu-toggle[aria-expanded="true"] .line:first-child {
  transform: translate(-50%, 8px) rotate(45deg);
}

.mobile-menu-toggle[aria-expanded="true"] .line:last-child {
  transform: translate(-50%, -8px) rotate(-45deg);
}

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  max-width: 400px;
  background-color: var(--color-bg);
  z-index: var(--z-40);
  transform: translateX(100%);
  transition: transform var(--transition-slow) cubic-bezier(0.22, 1, 0.36, 1);
  padding: calc(var(--header-height) + var(--spacing-6)) var(--spacing-6) var(--spacing-8);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
}

.mobile-menu[aria-hidden="false"] {
  transform: translateX(0);
  box-shadow: -4px 0 20px rgba(0, 0, 0, 0.1);
}

.mobile-nav {
  height: 100%;
  display: flex;
  flex-direction: column;
}

.mobile-nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-1);
}

.mobile-nav-item {
  margin: 0;
}

.mobile-nav-link {
  display: flex;
  align-items: center;
  font-size: var(--text-xl);
  font-weight: var(--font-medium);
  color: var(--color-text);
  text-decoration: none;
  padding: var(--spacing-3) var(--spacing-4);
  border-radius: var(--radius);
  transition: all var(--transition);
}

.mobile-nav-link:hover,
.mobile-nav-link:focus-visible {
  background-color: var(--color-gray-100);
  color: var(--color-primary);
  outline: none;
}

.mobile-nav-link.active {
  color: var(--color-primary);
  font-weight: var(--font-semibold);
}

/* Mobile Menu Overlay */
.mobile-menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: var(--z-30);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-slow);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

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

/* Responsive Styles */
@media (max-width: 1023px) {
  .nav {
    display: none;
  }
  
  .mobile-menu-toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
  }
}

@media (max-width: 639px) {
  .mobile-menu {
    width: 85%;
    padding: calc(var(--header-height) + var(--spacing-4)) var(--spacing-4) var(--spacing-6);
  }
  
  .mobile-nav-link {
    font-size: var(--text-lg);
    padding: var(--spacing-2) var(--spacing-3);
  }
}

/* Header Theme Toggle (for future dark mode) */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: none;
  border: none;
  color: var(--color-text);
  cursor: pointer;
  margin-left: var(--spacing-2);
  transition: background-color var(--transition);
}

.theme-toggle:hover {
  background-color: var(--color-gray-100);
}

.theme-toggle:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(0, 113, 227, 0.3);
}

.theme-toggle svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

/* Hero Section */
.hero {
  position: relative;
  padding: calc(var(--header-height) + var(--spacing-20)) 0 var(--spacing-20);
  background: linear-gradient(
    to bottom right,
    var(--color-bg-light) 0%,
    var(--color-bg) 100%
  );
  overflow: hidden;
  isolation: isolate;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    radial-gradient(circle at 10% 20%, rgba(0, 113, 227, 0.03) 0%, transparent 25%),
    radial-gradient(circle at 90% 80%, rgba(0, 113, 227, 0.03) 0%, transparent 25%);
  z-index: -1;
}

.hero-container {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-12);
  align-items: center;
  max-width: var(--container-xl);
  margin: 0 auto;
  padding: 0 var(--spacing-6);
}

.hero-content {
  position: relative;
  z-index: 2;
}

.hero-badge {
  display: inline-block;
  background-color: var(--color-primary-light);
  color: var(--color-primary-dark);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: var(--spacing-1) var(--spacing-3);
  border-radius: var(--radius-full);
  margin-bottom: var(--spacing-4);
  animation: float 6s ease-in-out infinite;
}

.hero-title {
  font-size: var(--text-5xl);
  font-weight: var(--font-bold);
  line-height: 1.1;
  color: var(--color-text);
  margin: 0 0 var(--spacing-6);
  letter-spacing: -0.02em;
}

.hero-title span {
  background: linear-gradient(90deg, var(--color-primary), var(--color-primary-dark));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  position: relative;
  display: inline-block;
}

.hero-subtitle {
  font-size: var(--text-xl);
  line-height: 1.6;
  color: var(--color-text-muted);
  margin: 0 0 var(--spacing-8);
  max-width: 32rem;
  font-weight: var(--font-normal);
}

.hero-cta {
  display: flex;
  gap: var(--spacing-4);
  margin-bottom: var(--spacing-10);
}

.hero-image {
  position: relative;
  z-index: 1;
  perspective: 1000px;
  transform-style: preserve-3d;
  will-change: transform;
}

.hero-image-inner {
  position: relative;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
  transform: rotateX(5deg) rotateY(-10deg) rotateZ(2deg) translateZ(0);
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  border: 1px solid rgba(0, 0, 0, 0.04);
  background: var(--color-bg);
}

.hero-image:hover .hero-image-inner {
  transform: rotateX(0) rotateY(0) rotateZ(0) translateZ(0);
}

.hero-image img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: inherit;
}

.hero-image-decoration {
  position: absolute;
  z-index: -1;
  pointer-events: none;
  opacity: 0.6;
  filter: blur(40px);
}

.hero-image-decoration-1 {
  top: -10%;
  left: 10%;
  width: 30%;
  aspect-ratio: 1;
  background: radial-gradient(circle, var(--color-primary) 0%, transparent 70%);
  animation: float 8s ease-in-out infinite;
}

.hero-image-decoration-2 {
  bottom: -10%;
  right: 10%;
  width: 40%;
  aspect-ratio: 1;
  background: radial-gradient(circle, var(--color-secondary) 0%, transparent 70%);
  animation: float 10s ease-in-out infinite reverse;
}

/* Hero Stats */
.hero-stats {
  display: flex;
  gap: var(--spacing-12);
  margin-top: var(--spacing-12);
  padding-top: var(--spacing-8);
  border-top: 1px solid var(--color-border);
}

.stat-item {
  position: relative;
  padding-left: var(--spacing-6);
}

.stat-item:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 50%;
  right: calc(-1 * var(--spacing-6));
  transform: translateY(-50%);
  width: 1px;
  height: 40%;
  background-color: var(--color-border);
}

.stat-number {
  display: block;
  font-size: var(--text-3xl);
  font-weight: var(--font-bold);
  color: var(--color-text);
  line-height: 1.2;
  margin-bottom: var(--spacing-1);
  background: linear-gradient(90deg, var(--color-primary), var(--color-primary-dark));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-label {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: var(--font-medium);
}

/* Responsive Styles */
@media (max-width: 1023px) {
  .hero {
    padding: calc(var(--header-height) + var(--spacing-16)) 0 var(--spacing-16);
  }
  
  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--spacing-16);
  }
  
  .hero-content {
    max-width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  
  .hero-title {
    font-size: var(--text-4xl);
  }
  
  .hero-subtitle {
    font-size: var(--text-lg);
    margin-left: auto;
    margin-right: auto;
  }
  
  .hero-cta {
    justify-content: center;
    flex-wrap: wrap;
  }
  
  .hero-image {
    max-width: 80%;
    margin: 0 auto;
  }
  
  .hero-stats {
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--spacing-8);
  }
  
  .stat-item:not(:last-child)::after {
    display: none;
  }
}

@media (max-width: 639px) {
  .hero {
    padding: calc(var(--header-height) + var(--spacing-12)) 0 var(--spacing-12);
  }
  
  .hero-title {
    font-size: var(--text-3xl);
  }
  
  .hero-subtitle {
    font-size: var(--text-base);
  }
  
  .hero-cta {
    flex-direction: column;
    width: 100%;
  }
  
  .hero-cta .btn {
    width: 100%;
  }
  
  .hero-image {
    max-width: 100%;
  }
  
  .hero-stats {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--spacing-6);
  }
  
  .stat-item {
    padding: 0;
  }
  
  .stat-item:not(:last-child) {
    padding-bottom: var(--spacing-6);
    border-bottom: 1px solid var(--color-border);
  }
}

/* Animation */
@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

/* Features Section */
.features {
  position: relative;
  padding: var(--spacing-20) 0;
  background-color: var(--color-bg);
  overflow: hidden;
}

.features::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-border), transparent);
}

.features-container {
  position: relative;
  max-width: var(--container-xl);
  margin: 0 auto;
  padding: 0 var(--spacing-6);
}

.section-header {
  text-align: center;
  max-width: 48rem;
  margin: 0 auto var(--spacing-16);
  position: relative;
}

.section-subtitle {
  display: inline-block;
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--spacing-4);
  position: relative;
  padding: 0 var(--spacing-6);
}

.section-subtitle::before,
.section-subtitle::after {
  content: '';
  position: absolute;
  top: 50%;
  width: 1rem;
  height: 1px;
  background-color: currentColor;
  opacity: 0.5;
}

.section-subtitle::before {
  left: 0;
}

.section-subtitle::after {
  right: 0;
}

.section-title {
  font-size: var(--text-4xl);
  font-weight: var(--font-bold);
  line-height: 1.1;
  color: var(--color-text);
  margin: 0 0 var(--spacing-6);
  letter-spacing: -0.02em;
}

.section-description {
  font-size: var(--text-xl);
  line-height: 1.6;
  color: var(--color-text-muted);
  margin: 0 auto;
  max-width: 40rem;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-8);
  margin-top: var(--spacing-12);
}

.feature-card {
  position: relative;
  background: var(--color-bg);
  border-radius: var(--radius-2xl);
  padding: var(--spacing-8) var(--spacing-6);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
  transition: all var(--transition-slow) cubic-bezier(0.16, 1, 0.3, 1);
  border: 1px solid var(--color-border);
  overflow: hidden;
  z-index: 1;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(0, 113, 227, 0.02) 0%, rgba(0, 113, 227, 0.05) 100%);
  opacity: 0;
  transition: opacity var(--transition);
  z-index: -1;
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.1);
  border-color: var(--color-primary-light);
}

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

.feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3.5rem;
  height: 3.5rem;
  border-radius: var(--radius-lg);
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-size: 1.5rem;
  margin-bottom: var(--spacing-6);
  transition: all var(--transition);
  box-shadow: 0 4px 12px rgba(0, 113, 227, 0.15);
}

.feature-card:hover .feature-icon {
  background: var(--color-primary);
  color: white;
  transform: scale(1.1) rotate(5deg);
  box-shadow: 0 8px 20px rgba(0, 113, 227, 0.25);
}

.feature-title {
  font-size: var(--text-xl);
  font-weight: var(--font-semibold);
  color: var(--color-text);
  margin: 0 0 var(--spacing-3);
  line-height: 1.3;
}

.feature-description {
  font-size: var(--text-md);
  line-height: 1.7;
  color: var(--color-text-muted);
  margin: 0 0 var(--spacing-6);
}

.feature-link {
  display: inline-flex;
  align-items: center;
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-primary);
  text-decoration: none;
  transition: all var(--transition);
  position: relative;
  padding-right: 1.5rem;
}

.feature-link::after {
  content: '';
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 1rem;
  height: 1rem;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%230071e3'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M14 5l7 7m0 0l-7 7m7-7H3' /%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
  transition: transform var(--transition);
}

.feature-link:hover {
  color: var(--color-primary-dark);
  padding-right: 1.75rem;
}

.feature-link:hover::after {
  transform: translate(4px, -50%);
}

/* Features Decorations */
.feature-decoration {
  position: absolute;
  z-index: -1;
  pointer-events: none;
  opacity: 0.6;
  filter: blur(40px);
}

.feature-decoration-1 {
  top: 10%;
  left: 5%;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, var(--color-primary) 0%, transparent 70%);
  animation: float 8s ease-in-out infinite;
}

.feature-decoration-2 {
  bottom: 10%;
  right: 5%;
  width: 250px;
  height: 250px;
  background: radial-gradient(circle, var(--color-secondary) 0%, transparent 70%);
  animation: float 10s ease-in-out infinite reverse;
}

/* Responsive Styles */
@media (max-width: 1023px) {
  .features {
    padding: var(--spacing-16) 0;
  }
  
  .section-header {
    margin-bottom: var(--spacing-12);
  }
  
  .section-title {
    font-size: var(--text-3xl);
  }
  
  .section-description {
    font-size: var(--text-lg);
  }
  
  .features-grid {
    gap: var(--spacing-6);
  }
  
  .feature-card {
    padding: var(--spacing-6) var(--spacing-5);
  }
  
  .feature-icon {
    width: 3rem;
    height: 3rem;
    font-size: 1.25rem;
  }
}

@media (max-width: 639px) {
  .features {
    padding: var(--spacing-12) 0;
  }
  
  .section-header {
    margin-bottom: var(--spacing-8);
    text-align: left;
  }
  
  .section-title {
    font-size: var(--text-2xl);
  }
  
  .section-description {
    font-size: var(--text-md);
    text-align: left;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-8);
  }
  
  .feature-card {
    padding: var(--spacing-6) var(--spacing-5);
  }
  
  .feature-title {
    font-size: var(--text-lg);
  }
  
  .feature-description {
    font-size: var(--text-sm);
  }
}

/* CTA Section */
.cta {
  padding: var(--space-12) 0;
  background: linear-gradient(135deg, #0071E3 0%, #5AB0FF 100%);
  color: white;
  position: relative;
  overflow: hidden;
}

.cta-container {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.cta-title {
  color: white;
  margin-bottom: var(--space-4);
}

.cta-description {
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--space-8);
  font-size: var(--text-lg);
  line-height: 1.5;
}

.cta-button {
  background: white;
  color: var(--primary);
  font-weight: 600;
  padding: 1rem 2.5rem;
  border-radius: 30px;
  display: inline-block;
  transition: all var(--transition-fast);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    color: var(--primary-active);
}

/* Footer */
.footer {
    background-color: #F5F5F7;
    padding: 4rem 0 2rem;
    color: var(--text-secondary);
    font-size: var(--text-sm);
}

.footer-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-8);
    margin-bottom: var(--space-8);
}

.footer-section h3 {
    color: var(--text);
    font-size: var(--text-base);
    font-weight: 600;
    margin-bottom: var(--space-4);
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-link {
    display: block;
    padding: var(--space-2) 0;
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-link:hover {
    color: var(--primary);
}

.footer-bottom {
    border-top: 1px solid var(--border-light);
    padding-top: var(--space-6);
    margin-top: var(--space-6);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-4);
}

.footer-copyright {
    color: var(--text-tertiary);
    font-size: var(--text-xs);
}

.social-links {
    display: flex;
    gap: var(--space-3);
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: rgba(0, 0, 0, 0.05);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.social-link:hover {
    background-color: var(--primary);
    color: white;
    transform: translateY(-2px);
}

/* Responsive */
@media (max-width: 768px) {
    .nav {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        width: 24px;
        height: 20px;
        background: none;
        border: none;
        padding: 0;
        cursor: pointer;
        z-index: 1001;
    }
    
    .mobile-menu-toggle span {
        display: block;
        width: 100%;
        height: 2px;
        background-color: var(--text);
        transition: all var(--transition-fast);
    }
    
    .hero-title {
        font-size: var(--text-3xl);
    }
    
    .hero-subtitle {
        font-size: var(--text-lg);
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-container {
        grid-template-columns: 1fr 1fr;
    }
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.animate-fade-in {
    animation: fadeIn 0.6s ease-out forwards;
}

.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }

.profile-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 100%;
    background: linear-gradient(45deg, rgba(0,0,0,0.9) 0%, rgba(26,26,26,0.95) 100%);
    z-index: -1;
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 3rem;
    position: relative;
}

.avatar-container {
    position: relative;
    flex-shrink: 0;
}

.avatar {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--accent);
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    transition: var(--transition);
}

.avatar:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.4);
}

.profile-info {
    flex: 1;
    min-width: 300px;
}

.profile-info h1 {
    font-family: -apple-system-headline, "SF Pro Display", -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 2.8rem;
    font-weight: 700;
    margin-bottom: 0.8rem;
    line-height: 1.15;
    letter-spacing: -0.02em;
    background: linear-gradient(45deg, #fff, #e0e0e0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 1px 2px rgba(0,0,0,0.1);
}

.profile-info .subtitle {
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 1.25rem;
    position: relative;
    display: inline-block;
    font-family: -apple-system-subheadline, "SF Pro Text", -apple-system, sans-serif;
    letter-spacing: -0.01em;
    opacity: 0.9;
}

.rating {
    display: flex;
    align-items: center;
    margin: 1rem 0;
}

.rating-stars {
    color: var(--accent);
    font-size: 1.4rem;
    letter-spacing: 3px;
    margin-right: 1rem;
}

.rating-value {
    font-weight: 600;
    color: var(--text);
    background: rgba(255,255,255,0.1);
    padding: 0.3rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
}

.price {
    display: inline-block;
    background: var(--accent);
    color: #000;
    padding: 0.8rem 1.8rem;
    border-radius: 30px;
    font-weight: 700;
    font-size: 1.1rem;
    margin-top: 1rem;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    text-decoration: none;
    box-shadow: 0 4px 15px rgba(255, 215, 0, 0.3);
}

.price:hover {
    transform: translateY(-2px);
    box-shadow: 0 7px 20px rgba(255, 215, 0, 0.4);
}
/* Section Styles */
section {
    max-width: 1200px;
    margin: 3rem auto;
    padding: 3rem 2rem;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 5px 25px rgba(0,0,0,0.05);
    position: relative;
    overflow: hidden;
}

section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--accent);
}

h2 {
    font-family: -apple-system-headline, "SF Pro Display", -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--primary);
    position: relative;
    display: inline-block;
    letter-spacing: -0.015em;
}

h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 3px;
    background: var(--accent);
}

/* Responsive Design */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        text-align: center;
    }
    
    .profile-info h1 {
        font-size: 2.2rem;
    }
    
    .avatar {
        width: 180px;
        height: 180px;
    }
}

h2 {
    margin-top: 0;
    color: #3F51B5;
}

.profile-details h3 {
    margin-bottom: 5px;
    color: #3F51B5;
}
ul {
    list-style: none;
    padding-left: 1em;
}

ul li {
    margin-bottom: 8px;
    position: relative;
}

ul li::before {
    content: "\2022"; /* bullet */
    color: #3F51B5;
    position: absolute;
    left: -1em;

}
.reviews ul {
    padding-left: 0;
}
.reviews .review {
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid #ddd;
}
.review-author {
    font-weight: bold;
}
.review-date {
    font-size: 0.9em;
    color: #666;
}

/* Generic page headers */
.page-header {
    background: linear-gradient(135deg, #f5f5f7 0%, #e5e5ea 100%);
    text-align: center;
    padding: calc(var(--header-height) + var(--spacing-12)) 0 var(--spacing-12);
}

.page-header h1 {
    margin: 0;
    font-size: var(--text-4xl);
    color: var(--color-text);
}

.breadcrumb {
    justify-content: center;
    background: transparent;
    padding: 0;
}

.breadcrumb-item a {
    color: var(--color-text);
}

/* About page badge */
.experience-years {
    position: absolute;
    top: 20px;
    left: 20px;
    background: var(--color-primary);
    color: var(--color-white);
    padding: 15px 20px;
    border-radius: 5px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.experience-years .years {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1;
}