/* ================================
   Friendly Competition Stylesheet
   Mobile-first, responsive design
   ================================ */

/* ===== CSS Variables ===== */
:root {
  /* Stripe-Inspired Color Palette - Light Mode */
  --color-primary: #635BFF;
  --color-primary-dark: #5E46BF;
  --color-primary-light: #758CEC;
  --color-accent: #00D4FF;
  --color-accent-secondary: #1CA8FF;
  --color-blue: #635BFF;
  --color-teal: #62BDE4;
  --color-emerald: #3EB574;
  --color-purple: #7C66DC;
  --color-orange: #FF6F4C;
  --color-cerise: #FF5C87;
  --color-secondary: #0A2540;
  --color-text: #0A2540;
  --color-text-light: #505669;
  --color-text-muted: #8892A2;
  --color-bg: #FFFFFF;
  --color-bg-alt: #F6F9FC;
  --color-bg-tertiary: #E4E8EE;
  --color-white: #ffffff;
  --color-border: #E4E8EE;
  --color-border-strong: #C1C9D0;
  --color-success: #3EB574;
  --color-error: #FF5C87;
  --color-warning: #FF6F4C;

  /* Stripe-Style Rich Gradients */
  --gradient-primary: linear-gradient(90deg, #635BFF 0%, #7B73FF 25%, #00B8E6 75%, #00D4FF 100%);
  --gradient-accent: linear-gradient(135deg, #FF6F4C 0%, #FF5C87 100%);
  --gradient-rainbow: linear-gradient(135deg, #635BFF 0%, #00D4FF 25%, #3EB574 50%, #FF6F4C 75%, #FF5C87 100%);
  --gradient-hero: linear-gradient(150deg, #0A2540 0%, #635BFF 50%, #00D4FF 100%);
  --gradient-surface: linear-gradient(180deg, #F6F9FC 0%, #FFFFFF 100%);
  --gradient-dark: linear-gradient(135deg, #0A2540 0%, #152041 100%);
  --gradient-mesh: radial-gradient(at 0% 0%, rgba(99, 91, 255, 0.15) 0px, transparent 50%),
                   radial-gradient(at 100% 0%, rgba(0, 212, 255, 0.12) 0px, transparent 50%),
                   radial-gradient(at 100% 100%, rgba(255, 111, 76, 0.1) 0px, transparent 50%),
                   radial-gradient(at 0% 100%, rgba(62, 181, 116, 0.1) 0px, transparent 50%);

  /* Glassmorphism */
  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(255, 255, 255, 0.3);
  --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.1);
  --glass-blur: blur(12px);

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  --space-5xl: 8rem;

  /* Typography - Vercel Geist Fonts */
  --font-base: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
  --font-display: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.5rem;
  --font-size-5xl: 3.5rem;
  --font-size-6xl: 4.5rem;
  --line-height-tight: 1.1;
  --line-height-snug: 1.3;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.7;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-black: 900;

  /* Layout */
  --container-max: 1400px;
  --container-narrow: 900px;
  --border-radius-sm: 0.375rem;
  --border-radius: 0.75rem;
  --border-radius-lg: 1.25rem;
  --border-radius-xl: 1.75rem;
  --border-radius-2xl: 2rem;
  --border-width: 2px;
  --border-width-thick: 3px;

  /* Transitions - More sophisticated */
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 500ms cubic-bezier(0.68, -0.55, 0.265, 1.55);
  --transition-spring: 600ms cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Shadows - Layered depth */
  --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 2px 4px -1px rgba(0, 0, 0, 0.06), 0 1px 2px -1px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 8px -2px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 12px 24px -4px rgba(0, 0, 0, 0.12), 0 4px 8px -2px rgba(0, 0, 0, 0.08);
  --shadow-xl: 0 20px 40px -8px rgba(0, 0, 0, 0.15), 0 8px 16px -4px rgba(0, 0, 0, 0.1);
  --shadow-2xl: 0 32px 64px -12px rgba(0, 0, 0, 0.2), 0 12px 24px -6px rgba(0, 0, 0, 0.12);
  --shadow-brutal: 6px 6px 0 0 rgba(0, 0, 0, 1);
  --shadow-brutal-hover: 8px 8px 0 0 rgba(0, 0, 0, 1);

  /* Header height */
  --header-height: 72px;
}

/* Dark mode variables - Stripe Style */
@media (prefers-color-scheme: dark) {
  :root {
    --color-text: #F6F9FC;
    --color-text-light: #A2ABB7;
    --color-text-muted: #6B7385;
    --color-bg: #0A2540;
    --color-bg-alt: #152041;
    --color-bg-tertiary: #262C62;
    --color-border: #313B84;
    --color-border-strong: #414AA6;
    --color-secondary: #F6F9FC;

    --glass-bg: rgba(10, 37, 64, 0.8);
    --glass-border: rgba(99, 91, 255, 0.2);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.6);

    --gradient-surface: linear-gradient(180deg, #152041 0%, #0A2540 100%);
    --gradient-mesh: radial-gradient(at 0% 0%, rgba(99, 91, 255, 0.25) 0px, transparent 50%),
                     radial-gradient(at 100% 0%, rgba(0, 212, 255, 0.2) 0px, transparent 50%),
                     radial-gradient(at 100% 100%, rgba(255, 111, 76, 0.15) 0px, transparent 50%),
                     radial-gradient(at 0% 100%, rgba(62, 181, 116, 0.15) 0px, transparent 50%);
  }
}

/* Manual dark mode class override - Stripe Style */
.dark-mode {
  --color-text: #F6F9FC;
  --color-text-light: #A2ABB7;
  --color-text-muted: #6B7385;
  --color-bg: #0A2540;
  --color-bg-alt: #152041;
  --color-bg-tertiary: #262C62;
  --color-border: #313B84;
  --color-border-strong: #414AA6;
  --color-secondary: #F6F9FC;

  --glass-bg: rgba(10, 37, 64, 0.8);
  --glass-border: rgba(99, 91, 255, 0.2);
  --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.6);

  --gradient-surface: linear-gradient(180deg, #152041 0%, #0A2540 100%);
  --gradient-mesh: radial-gradient(at 0% 0%, rgba(99, 91, 255, 0.25) 0px, transparent 50%),
                   radial-gradient(at 100% 0%, rgba(0, 212, 255, 0.2) 0px, transparent 50%),
                   radial-gradient(at 100% 100%, rgba(255, 111, 76, 0.15) 0px, transparent 50%),
                   radial-gradient(at 0% 100%, rgba(62, 181, 116, 0.15) 0px, transparent 50%);
}

/* Vercel uses system fonts - no web fonts needed for performance */

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

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

/* Respect user motion preferences */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  line-height: var(--line-height-tight);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  margin-bottom: var(--space-lg);
  letter-spacing: -0.02em;
}

h1 {
  font-size: var(--font-size-5xl);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-snug);
  color: var(--color-text);
  letter-spacing: -0.03em;
}

h2 {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
}

h3 {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
}

h4 {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-semibold);
}

h5 {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
}

h6 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-medium);
}

p {
  margin-bottom: var(--space-md);
}

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

a:hover {
  color: var(--color-primary-dark);
}

a:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: 2px;
}

ul, ol {
  margin-bottom: var(--space-md);
}

strong {
  font-weight: 600;
}

/* ===== Accessibility ===== */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-primary);
  color: var(--color-white);
  padding: var(--space-sm) var(--space-md);
  z-index: 9999;
  text-decoration: none;
  font-weight: 600;
}

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* ===== Layout Utilities ===== */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-lg);
  padding-right: var(--space-lg);
}

.container--narrow {
  max-width: var(--container-narrow);
}

@media (min-width: 768px) {
  .container {
    padding-left: var(--space-2xl);
    padding-right: var(--space-2xl);
  }
}

/* ===== Header ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background-color: transparent;
  transition: all var(--transition-base);
  z-index: 1000;
}

.header.scrolled {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

.logo img {
  height: 40px;
  width: auto;
  transition: opacity var(--transition-base);
}

.logo:hover img {
  opacity: 0.7;
}

/* Dark mode logo color inversion */
@media (prefers-color-scheme: dark) {
  .logo img {
    filter: brightness(0) invert(1);
  }
}

.dark-mode .logo img {
  filter: brightness(0) invert(1);
}

.nav__links {
  display: none;
  align-items: center;
  gap: var(--space-xl);
}

.nav__link {
  font-weight: 500;
  color: var(--color-text);
  transition: color var(--transition-base);
}

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

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

/* ===== Button Styles ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-2xl);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  line-height: 1.5;
  text-align: center;
  text-decoration: none;
  border: var(--border-width) solid transparent;
  border-radius: var(--border-radius-lg);
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: width 0.6s ease, height 0.6s ease;
}

.btn:hover::before {
  width: max(400px, 150%);
  height: max(400px, 150%);
}

.btn:focus-visible {
  outline: 3px solid var(--color-primary-light);
  outline-offset: 3px;
}

.btn--primary {
  background: var(--gradient-primary);
  color: var(--color-white);
  border: none;
  box-shadow: var(--shadow-lg);
}

.btn--primary:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-xl);
}

.btn--primary:active {
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

.btn--secondary {
  background-color: var(--color-bg);
  color: var(--color-primary);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

.btn--secondary:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.btn--brutal {
  background-color: var(--color-accent);
  color: var(--color-text);
  border-color: var(--color-text);
  border-width: var(--border-width-thick);
  border-radius: var(--border-radius-sm);
  box-shadow: var(--shadow-brutal);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.btn--brutal:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-brutal-hover);
}

.btn--brutal:active {
  transform: translate(0, 0);
  box-shadow: 3px 3px 0 0 rgba(0, 0, 0, 1);
}

.btn--ghost {
  background-color: transparent;
  color: var(--color-text);
  border-color: transparent;
}

.btn--ghost:hover {
  background-color: var(--color-bg-alt);
  color: var(--color-text);
}

.btn--sm {
  padding: var(--space-sm) var(--space-lg);
  font-size: var(--font-size-sm);
}

.btn--lg {
  padding: var(--space-lg) var(--space-3xl);
  font-size: var(--font-size-lg);
}

.btn--block {
  display: flex;
  width: 100%;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
}

/* Mobile button adjustments */
@media (max-width: 640px) {
  .btn {
    padding: var(--space-sm) var(--space-lg);
    font-size: var(--font-size-sm);
    white-space: normal;
    text-align: center;
    min-height: 44px;
  }

  .btn--lg {
    padding: var(--space-md) var(--space-xl);
    font-size: var(--font-size-base);
  }
}

/* ===== Section Styles ===== */
.section {
  padding: var(--space-5xl) 0;
  position: relative;
  overflow: hidden;
}

.section--bg {
  background-color: var(--color-bg-alt);
}

.section--highlight {
  background: var(--gradient-surface);
  position: relative;
  overflow: hidden;
}

.section--highlight::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--gradient-mesh);
  opacity: 0.6;
  pointer-events: none;
}

.section--dark {
  background: var(--gradient-dark);
  color: var(--color-white);
}

.section--dark h2,
.section--dark h3,
.section--dark h4 {
  color: var(--color-white);
}

/* Abstract decorative shapes */
.section--bg::before {
  content: '';
  position: absolute;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(99, 91, 255, 0.04) 0%, transparent 70%);
  top: -200px;
  right: -100px;
  pointer-events: none;
  z-index: 0;
}

.section--bg::after {
  content: '';
  position: absolute;
  width: 300px;
  height: 300px;
  border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
  background: radial-gradient(ellipse, rgba(0, 212, 255, 0.05) 0%, transparent 70%);
  bottom: -100px;
  left: -50px;
  pointer-events: none;
  z-index: 0;
  animation: float 20s ease-in-out infinite;
}

.section__title {
  text-align: center;
  margin-bottom: var(--space-xl);
  font-size: var(--font-size-3xl);
  position: relative;
  z-index: 1;
}

.section .container {
  position: relative;
  z-index: 1;
}

.section__subtitle {
  text-align: center;
  font-size: var(--font-size-xl);
  color: var(--color-text-light);
  margin-top: var(--space-xl);
}

.section__lead {
  text-align: center;
  font-size: var(--font-size-lg);
  color: var(--color-text-light);
  max-width: 800px;
  margin: 0 auto var(--space-2xl);
  line-height: var(--line-height-relaxed);
}

@media (min-width: 768px) {
  .section {
    padding: var(--space-4xl) 0 var(--space-4xl);
  }

  .section__title {
    font-size: var(--font-size-4xl);
  }
}

@media (min-width: 1024px) {
  .section {
    padding: 6rem 0;
  }
}

/* ===== Hero Section ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: calc(var(--header-height) + var(--space-2xl));
  padding-bottom: var(--space-4xl);
  overflow: hidden;
  background: var(--gradient-surface);
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--gradient-mesh);
  pointer-events: none;
  z-index: 0;
  animation: gradientShift 20s ease-in-out infinite;
}

@keyframes gradientShift {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.9;
    transform: scale(1.05);
  }
}

.hero__pattern {
  position: absolute;
  top: 0;
  right: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.3;
  mix-blend-mode: overlay;
}

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

.hero__content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 1100px;
  margin: 0 auto;
  padding: var(--space-xl);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius-2xl);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  box-shadow: var(--glass-shadow), var(--shadow-2xl);
}

.hero__title {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-lg);
  animation: fadeInUp 0.8s cubic-bezier(0.34, 1.56, 0.64, 1);
  line-height: 1.15;
  letter-spacing: -0.025em;
  word-wrap: break-word;
  overflow-wrap: break-word;
  hyphens: auto;
}

.hero__subtitle {
  font-size: var(--font-size-xl);
  color: var(--color-text-light);
  margin-bottom: var(--space-2xl);
  line-height: var(--line-height-relaxed);
  font-weight: var(--font-weight-normal);
  animation: fadeInUp 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) 0.1s backwards;
  max-width: 42rem;
  margin-left: auto;
  margin-right: auto;
}

.hero__cta {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  align-items: center;
  animation: fadeInUp 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) 0.2s backwards;
}

@media (min-width: 640px) {
  .hero__cta {
    flex-direction: row;
    justify-content: center;
  }
}

@media (min-width: 640px) {
  .hero__title {
    font-size: var(--font-size-4xl);
  }
}

@media (min-width: 768px) {
  .hero__title {
    font-size: var(--font-size-5xl);
  }

  .hero__subtitle {
    font-size: var(--font-size-2xl);
  }

  .hero__content {
    padding: var(--space-3xl);
  }
}

@media (min-width: 1024px) {
  .hero__title {
    font-size: var(--font-size-6xl);
  }

  .hero__content {
    padding: var(--space-4xl) var(--space-5xl);
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===== Examples ===== */
.examples {
  margin-top: var(--space-2xl);
}

.examples__title {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-md);
}

.examples__list {
  list-style: none;
  display: grid;
  gap: var(--space-md);
}

.examples__item {
  padding: var(--space-md) var(--space-lg);
  background-color: var(--color-bg);
  border-left: 4px solid var(--color-primary);
  border-radius: var(--border-radius);
  font-size: var(--font-size-lg);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.examples__item:hover {
  transform: translateX(4px);
  box-shadow: var(--shadow-md);
}

@media (min-width: 768px) {
  .examples__list {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  }
}

/* ===== Results ===== */
.results {
  margin-top: var(--space-2xl);
}

.results__title {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-md);
  text-align: center;
}

.results__list {
  list-style: none;
  display: grid;
  gap: var(--space-lg);
  max-width: 800px;
  margin: 0 auto;
}

.results__item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
  background-color: var(--color-bg);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.results__item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.results__icon {
  flex-shrink: 0;
  color: var(--color-primary);
  width: 32px;
  height: 32px;
}

/* Color each icon with Stripe colors */
.results__item:nth-child(1) .results__icon {
  color: var(--color-primary);
}

.results__item:nth-child(2) .results__icon {
  color: var(--color-teal);
}

.results__item:nth-child(3) .results__icon {
  color: var(--color-emerald);
}

.results__item:nth-child(4) .results__icon {
  color: var(--color-orange);
}

@media (min-width: 640px) {
  .results__list {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ===== Process Steps (Clean Grid) ===== */
.process {
  display: grid;
  gap: var(--space-lg);
  margin-top: var(--space-2xl);
}

.process__step {
  padding: var(--space-2xl);
  background: var(--color-bg);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--border-radius-xl);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

/* Stripe-style gradient backgrounds for each step */
.process__step:nth-child(1) {
  background: linear-gradient(135deg, rgba(99, 91, 255, 0.05) 0%, rgba(99, 91, 255, 0.01) 100%);
  border-color: rgba(99, 91, 255, 0.15);
}

.process__step:nth-child(2) {
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.05) 0%, rgba(0, 212, 255, 0.01) 100%);
  border-color: rgba(0, 212, 255, 0.15);
}

.process__step:nth-child(3) {
  background: linear-gradient(135deg, rgba(62, 181, 116, 0.05) 0%, rgba(62, 181, 116, 0.01) 100%);
  border-color: rgba(62, 181, 116, 0.15);
}

.process__step:nth-child(4) {
  background: linear-gradient(135deg, rgba(255, 111, 76, 0.05) 0%, rgba(255, 111, 76, 0.01) 100%);
  border-color: rgba(255, 111, 76, 0.15);
}

.process__step:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-2xl);
}

.process__step::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-slow);
  z-index: 1;
}

.process__step:hover::before {
  transform: scaleX(1);
}

/* Decorative corner shape on process cards */
.process__step::after {
  content: '';
  position: absolute;
  width: 100px;
  height: 100px;
  border-radius: 50%;
  top: -30px;
  right: -30px;
  opacity: 0.1;
  transition: all var(--transition-slow);
  z-index: 0;
}

.process__step:nth-child(1)::after {
  background: radial-gradient(circle, #635BFF 0%, transparent 70%);
}

.process__step:nth-child(2)::after {
  background: radial-gradient(circle, #00D4FF 0%, transparent 70%);
}

.process__step:nth-child(3)::after {
  background: radial-gradient(circle, #3EB574 0%, transparent 70%);
}

.process__step:nth-child(4)::after {
  background: radial-gradient(circle, #FF6F4C 0%, transparent 70%);
}

.process__step:hover::after {
  transform: scale(1.3);
  opacity: 0.15;
}

.process__step:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: var(--color-primary-light);
}

.process__number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 72px;
  height: 72px;
  background: var(--gradient-primary);
  color: var(--color-white);
  border-radius: var(--border-radius-lg);
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-black);
  margin-bottom: var(--space-lg);
  box-shadow: var(--shadow-lg);
  position: relative;
  z-index: 1;
}

/* Stripe-style gradient numbers */
.process__step:nth-child(1) .process__number {
  background: linear-gradient(135deg, #635BFF 0%, #758CEC 100%);
}

.process__step:nth-child(2) .process__number {
  background: linear-gradient(135deg, #00D4FF 0%, #62BDE4 100%);
}

.process__step:nth-child(3) .process__number {
  background: linear-gradient(135deg, #3EB574 0%, #91E396 100%);
}

.process__step:nth-child(4) .process__number {
  background: linear-gradient(135deg, #FF6F4C 0%, #FF5C87 100%);
}

.process__title {
  margin-bottom: var(--space-md);
  font-size: var(--font-size-xl);
}

.process__description {
  color: var(--color-text-light);
  line-height: var(--line-height-relaxed);
}

@media (min-width: 640px) {
  .process {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .process {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ===== Checklist ===== */
.checklist {
  list-style: none;
  display: grid;
  gap: var(--space-md);
  max-width: 700px;
  margin: 0 auto;
}

.checklist__item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  background-color: var(--color-bg);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
  font-size: var(--font-size-lg);
  transition: transform var(--transition-base);
}

.checklist__item:hover {
  transform: translateX(4px);
}

.checklist__icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  color: var(--color-primary);
}

/* ===== Pricing ===== */
.pricing {
  max-width: 900px;
  margin: 0 auto;
}

.pricing__main {
  text-align: center;
  padding: var(--space-3xl);
  background-color: var(--color-bg);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-xl);
  margin-bottom: var(--space-2xl);
}

.pricing__price {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
  flex-wrap: wrap;
}

.pricing__currency {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-primary);
}

.pricing__amount {
  font-size: 3rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
}

.pricing__term {
  font-size: var(--font-size-base);
  color: var(--color-text-light);
  flex-basis: 100%;
}

@media (min-width: 640px) {
  .pricing__currency {
    font-size: var(--font-size-3xl);
  }

  .pricing__amount {
    font-size: 4rem;
  }

  .pricing__term {
    font-size: var(--font-size-xl);
    flex-basis: auto;
  }
}

.pricing__duration {
  font-size: var(--font-size-lg);
  color: var(--color-text-light);
  margin-bottom: var(--space-md);
}

.pricing__guarantee {
  font-size: var(--font-size-lg);
  padding: var(--space-lg);
  background-color: var(--color-bg-alt);
  border-radius: var(--border-radius);
  margin-bottom: var(--space-xl);
}

.pricing__tiers {
  margin-top: var(--space-2xl);
}

.pricing__tiers-title {
  text-align: center;
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-lg);
}

.tier {
  padding: var(--space-lg);
  background-color: var(--color-bg);
  border: 2px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  margin-bottom: var(--space-md);
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.tier:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.tier__name {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-sm);
}

.tier__description {
  color: var(--color-text-light);
  margin-bottom: var(--space-md);
}

.tier__price {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-primary);
}

@media (min-width: 768px) {
  .pricing__tiers {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
  }

  .tier {
    margin-bottom: 0;
    padding: var(--space-xl);
  }
}

/* ===== Value Table ===== */
.value-table-wrapper {
  overflow-x: auto;
  margin-top: var(--space-2xl);
}

.value-table {
  width: 100%;
  border-collapse: collapse;
  background-color: var(--color-bg);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.value-table th,
.value-table td {
  padding: var(--space-lg);
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.value-table th {
  background-color: var(--color-primary);
  color: var(--color-white);
  font-weight: 600;
  font-size: var(--font-size-lg);
}

.value-table td {
  font-size: var(--font-size-base);
}

.value-table tbody tr:last-child td {
  border-bottom: none;
}

.value-table tbody tr:hover {
  background-color: var(--color-bg-alt);
}

/* Mobile responsive table */
@media (max-width: 767px) {
  .value-table thead {
    display: none;
  }

  .value-table,
  .value-table tbody,
  .value-table tr,
  .value-table td {
    display: block;
  }

  .value-table tr {
    margin-bottom: var(--space-lg);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
  }

  .value-table td {
    position: relative;
    padding: var(--space-md);
    padding-top: var(--space-lg);
    border-bottom: 1px solid var(--color-border);
    min-height: 60px;
  }

  .value-table td:last-child {
    border-bottom: none;
  }

  .value-table td::before {
    content: attr(data-label);
    position: absolute;
    top: var(--space-sm);
    left: var(--space-md);
    font-weight: 600;
    font-size: var(--font-size-xs);
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
  }
}

/* ===== Badges ===== */
.badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  justify-content: center;
  margin-top: var(--space-xl);
}

.badge {
  display: inline-block;
  padding: var(--space-sm) var(--space-lg);
  background-color: var(--color-bg);
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
  border-radius: 999px;
  font-weight: 600;
  font-size: var(--font-size-sm);
  transition: all var(--transition-base);
}

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

/* ===== Testimonials (Bento Grid Style) ===== */
.testimonials {
  display: grid;
  gap: var(--space-lg);
  margin-top: var(--space-2xl);
}

.testimonial-card {
  padding: var(--space-2xl);
  background: var(--color-bg);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--border-radius-2xl);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-slow);
  position: relative;
  overflow: hidden;
}

/* Vercel-style minimal hover */
.testimonial-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-border-strong);
}

.testimonial-card__quote {
  font-size: var(--font-size-lg);
  font-style: italic;
  line-height: var(--line-height-relaxed);
  color: var(--color-text);
  margin-bottom: var(--space-lg);
  position: relative;
  z-index: 1;
}

.testimonial-card__quote::before {
  content: '"';
  position: absolute;
  top: -20px;
  left: -10px;
  font-size: 6rem;
  color: var(--color-primary);
  opacity: 0.15;
  font-family: Georgia, serif;
  line-height: 1;
  z-index: -1;
}

.testimonial-card__author {
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.testimonial-card__author::before {
  content: '';
  width: 40px;
  height: 2px;
  background: var(--gradient-primary);
}

@media (min-width: 768px) {
  .testimonials {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .testimonials {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ===== FAQ ===== */
.faq {
  max-width: 800px;
  margin: 0 auto;
}

.faq__item {
  margin-bottom: var(--space-md);
  background-color: var(--color-bg);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.faq__question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-lg);
  background-color: var(--color-bg);
  border: none;
  text-align: left;
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-text);
  cursor: pointer;
  transition: background-color var(--transition-base);
}

.faq__question:hover {
  background-color: var(--color-bg-alt);
}

.faq__question:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: -2px;
}

.faq__icon {
  flex-shrink: 0;
  transition: transform var(--transition-base);
  color: var(--color-primary);
}

.faq__question[aria-expanded="true"] .faq__icon {
  transform: rotate(180deg);
}

.faq__answer {
  padding: 0 var(--space-lg) var(--space-lg);
  color: var(--color-text-light);
  line-height: var(--line-height-relaxed);
}

.faq__answer[hidden] {
  display: none;
}

.faq__answer p {
  margin-bottom: 0;
}

/* ===== CTA Buttons ===== */
.cta-buttons {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  align-items: center;
  margin-top: var(--space-2xl);
}

@media (min-width: 640px) {
  .cta-buttons {
    flex-direction: row;
    justify-content: center;
  }
}

/* ===== Form Styles ===== */
.form {
  max-width: 600px;
  margin: 0 auto;
}

.form__group {
  margin-bottom: var(--space-lg);
}

.form__label {
  display: block;
  margin-bottom: var(--space-sm);
  font-weight: 600;
  color: var(--color-text);
}

.required {
  color: var(--color-error);
}

.optional {
  font-weight: 400;
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

.form__input,
.form__select,
.form__textarea {
  width: 100%;
  padding: var(--space-md);
  font-size: var(--font-size-base);
  font-family: var(--font-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  border: 2px solid var(--color-border);
  border-radius: var(--border-radius);
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.form__input:focus,
.form__select:focus,
.form__textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(76, 175, 111, 0.1);
}

.form__input:invalid:not(:placeholder-shown),
.form__select:invalid {
  border-color: var(--color-error);
}

.form__textarea {
  resize: vertical;
  min-height: 120px;
}

.form__error {
  display: block;
  margin-top: var(--space-sm);
  font-size: var(--font-size-sm);
  color: var(--color-error);
  min-height: 1.2em;
}

.form__message {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md);
  margin-top: var(--space-lg);
  border-radius: var(--border-radius);
  font-weight: 500;
}

.form__message[hidden] {
  display: none;
}

.form__message svg {
  flex-shrink: 0;
}

.form__message--success {
  background-color: #f0fdf4;
  color: var(--color-success);
  border: 2px solid var(--color-success);
}

.form__message--error {
  background-color: #fef2f2;
  color: var(--color-error);
  border: 2px solid var(--color-error);
}

/* ===== Footer ===== */
.footer {
  background-color: #0A2540;
  color: var(--color-white);
  padding: var(--space-3xl) 0 var(--space-xl);
}

.footer__main {
  display: grid;
  gap: var(--space-2xl);
  margin-bottom: var(--space-2xl);
}

.footer__brand {
  text-align: center;
}

.footer__logo {
  filter: brightness(0) invert(1);
  margin-bottom: var(--space-md);
}

.footer__tagline {
  font-size: var(--font-size-lg);
  font-weight: 500;
  margin-bottom: var(--space-sm);
  color: var(--color-primary-light);
}

.footer__location {
  color: rgba(255, 255, 255, 0.7);
}

.footer__nav {
  display: grid;
  gap: var(--space-xl);
}

.footer__nav-title {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-md);
  color: var(--color-primary-light);
}

.footer__nav-list {
  list-style: none;
  margin: 0;
}

.footer__nav-list li {
  margin-bottom: var(--space-sm);
}

.footer__link {
  color: rgba(255, 255, 255, 0.8);
  transition: color var(--transition-base);
}

.footer__link:hover {
  color: var(--color-white);
}

.footer__bottom {
  padding-top: var(--space-xl);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
}

.footer__copyright {
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--font-size-sm);
}

.footer--simple {
  padding: var(--space-xl) 0;
  text-align: center;
}

.footer--simple .container {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  align-items: center;
}

.footer--simple nav {
  display: flex;
  gap: var(--space-lg);
}

@media (min-width: 640px) {
  .footer__brand {
    text-align: left;
  }
}

@media (min-width: 768px) {
  .footer__main {
    grid-template-columns: 1fr 2fr;
  }

  .footer__nav {
    grid-template-columns: repeat(3, 1fr);
  }

  .footer--simple .container {
    flex-direction: row;
    justify-content: space-between;
  }
}

/* ===== Mobile Sticky CTA ===== */
.mobile-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-md);
  background-color: var(--color-bg);
  box-shadow: 0 -4px 6px -1px rgba(0, 0, 0, 0.1);
  z-index: 999;
  transform: translateY(0);
  transition: transform var(--transition-base);
  border-top: 1px solid var(--color-border);
}

.mobile-cta.hidden {
  transform: translateY(100%);
}

@media (min-width: 768px) {
  .mobile-cta {
    display: none;
  }
}

/* ===== Cookie Banner ===== */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--color-secondary);
  color: var(--color-white);
  padding: var(--space-lg);
  box-shadow: var(--shadow-xl);
  z-index: 9998;
  animation: slideUp 0.3s ease-out;
}

.cookie-banner[hidden] {
  display: none;
}

.cookie-banner__content {
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  align-items: center;
}

.cookie-banner__content p {
  margin: 0;
  text-align: center;
}

.cookie-banner__actions {
  display: flex;
  gap: var(--space-md);
}

@media (min-width: 768px) {
  .cookie-banner__content {
    flex-direction: row;
    justify-content: space-between;
  }

  .cookie-banner__content p {
    text-align: left;
  }
}

@keyframes slideUp {
  from {
    transform: translateY(100%);
  }
  to {
    transform: translateY(0);
  }
}

/* ===== Legal Pages ===== */
.legal-page {
  padding: calc(var(--header-height) + var(--space-2xl)) 0 var(--space-4xl);
}

.legal-page h1 {
  margin-bottom: var(--space-sm);
}

.legal-page__updated {
  color: var(--color-text-muted);
  margin-bottom: var(--space-2xl);
  font-size: var(--font-size-sm);
}

.legal-page section {
  margin-bottom: var(--space-2xl);
}

.legal-page h2 {
  margin-top: var(--space-2xl);
  margin-bottom: var(--space-md);
  padding-top: var(--space-md);
  border-top: 2px solid var(--color-border);
}

.legal-page ul {
  padding-left: var(--space-xl);
}

.legal-page li {
  margin-bottom: var(--space-sm);
  line-height: var(--line-height-relaxed);
}

.legal-page__back {
  margin-top: var(--space-3xl);
  padding-top: var(--space-2xl);
  border-top: 2px solid var(--color-border);
  text-align: center;
}

/* ===== Utility Classes ===== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-0 { margin-top: 0; }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }

.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }

/* ===== Animations & Transitions ===== */
.fade-in {
  opacity: 0;
  animation: fadeIn 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

@keyframes fadeIn {
  to {
    opacity: 1;
  }
}

/* Scroll reveal animations */
@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes rotateIn {
  from {
    opacity: 0;
    transform: rotate(-5deg) scale(0.95);
  }
  to {
    opacity: 1;
    transform: rotate(0) scale(1);
  }
}

/* Figma-style bouncy animations */
@keyframes bounce {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

@keyframes wiggle {
  0%, 100% {
    transform: rotate(0deg);
  }
  25% {
    transform: rotate(-3deg);
  }
  75% {
    transform: rotate(3deg);
  }
}

@keyframes float {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-20px);
  }
}

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

/* Utility animation classes */
.animate-slide-left {
  animation: slideInLeft 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

.animate-slide-right {
  animation: slideInRight 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

.animate-scale {
  animation: scaleIn 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

.animate-rotate {
  animation: rotateIn 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

/* Staggered animation delays */
.delay-100 { animation-delay: 0.1s; }
.delay-200 { animation-delay: 0.2s; }
.delay-300 { animation-delay: 0.3s; }
.delay-400 { animation-delay: 0.4s; }

/* Micro-interactions */
.hover-lift {
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.hover-lift:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.hover-grow {
  transition: transform var(--transition-bounce);
}

.hover-grow:hover {
  transform: scale(1.05);
}

.hover-gradient {
  position: relative;
  background-size: 200% auto;
  transition: background-position 0.6s ease;
}

.hover-gradient:hover {
  background-position: right center;
}

/* ===== Print Styles ===== */
@media print {
  .header,
  .mobile-cta,
  .cookie-banner,
  .btn {
    display: none;
  }

  body {
    color: #000;
    background: #fff;
  }

  a {
    text-decoration: underline;
  }
}