/* ============================================
   Comanajer Web App - Styles
   ============================================ */

/* ---------- CSS Variables (Design Tokens) ---------- */
:root {
  /* Primary Colors */
  --color-primary: #1A5FA3;
  --color-primary-dark: #0E639C;
  --color-primary-light: #2563EB;
  
  /* Secondary Colors */
  --color-secondary: #6B7280;
  --color-secondary-dark: #4B5563;
  --color-secondary-light: #9CA3AF;
  
  /* Tertiary/Accent */
  --color-tertiary: #9333EA;
  --color-tertiary-dark: #7C3AED;
  --color-tertiary-light: #A855F7;
  
  /* Semantic Colors */
  --color-success: #10B981;
  --color-error: #EF4444;
  --color-warning: #F59E0B;
  --color-info: #3B82F6;
  
  /* Background Colors - Dark (#191919) */
  --color-bg: #191919;
  --color-bg-secondary: #2E2E2E;
  --color-bg-tertiary: #373737;
  
  /* Text Colors - Light on dark */
  --color-text: #F3F4F6;
  --color-text-secondary: #D1D5DB;
  --color-text-muted: #9CA3AF;
  
  /* Border */
  --color-border: #374151;
  --color-border-light: #4B5563;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -2px rgba(0, 0, 0, 0.3);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.4), 0 10px 10px -5px rgba(0, 0, 0, 0.3);
  --shadow-screenshot: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  --color-primary-light: #3B82F6;
  
  /* Typography */
  --font-family: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 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: 2.25rem;
  --font-size-5xl: 3rem;
  --font-size-6xl: 3.75rem;
  
  /* Font Weights */
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  
  /* Spacing */
  --spacing-1: 0.25rem;
  --spacing-2: 0.5rem;
  --spacing-3: 0.75rem;
  --spacing-4: 1rem;
  --spacing-5: 1.25rem;
  --spacing-6: 1.5rem;
  --spacing-8: 2rem;
  --spacing-10: 2.5rem;
  --spacing-12: 3rem;
  --spacing-16: 4rem;
  --spacing-20: 5rem;
  --spacing-24: 6rem;
  
  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 200ms ease;
  --transition-slow: 300ms ease;
  --transition-slower: 500ms ease;
  
  /* Layout */
  --max-width: 1200px;
  --header-height: 72px;
}

/* ---------- Dark Mode Variables ---------- */
@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #191919;
    --color-bg-secondary: #2E2E2E;
    --color-bg-tertiary: #373737;
    --color-text: #F3F4F6;
    --color-text-secondary: #D1D5DB;
    --color-text-muted: #9CA3AF;
    --color-border: #374151;
    --color-border-light: #4B5563;
    --color-primary-light: #3B82F6;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -2px rgba(0, 0, 0, 0.3);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.4), 0 10px 10px -5px rgba(0, 0, 0, 0.3);
    --shadow-screenshot: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  }
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  min-height: 100vh;
}

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

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

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

/* ---------- Typography ---------- */
h1, h2, h3, h4, h5, h6 {
  font-weight: var(--font-weight-semibold);
  line-height: 1.2;
  color: var(--color-text);
}

h1 {
  font-size: var(--font-size-5xl);
  font-weight: var(--font-weight-bold);
}

h2 {
  font-size: var(--font-size-3xl);
}

h3 {
  font-size: var(--font-size-2xl);
}

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

p {
  margin-bottom: var(--spacing-4);
}

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

.section {
  padding: var(--spacing-20) 0;
}

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

/* ---------- Header ---------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background-color: rgba(25, 25, 25, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 1000;
  transition: background-color var(--transition-base);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
}

.header__logo-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-lg);
}

.header__nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-8);
}

.header__nav-link {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

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

.header__cta {
  display: none;
}

@media (min-width: 768px) {
  .header__cta {
    display: block;
  }
}

/* Mobile menu toggle */
.header__menu-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-2);
}

.header__menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-text);
  transition: var(--transition-fast);
}

@media (min-width: 768px) {
  .header__menu-toggle {
    display: none;
  }
  
  .header__nav {
    display: flex;
  }
}

@media (max-width: 767px) {
  .header__nav {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background-color: var(--color-bg);
    padding: var(--spacing-4);
    flex-direction: column;
    gap: var(--spacing-4);
  }
  
  .header__nav.is-open {
    display: flex;
  }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-2);
  padding: var(--spacing-3) var(--spacing-6);
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  line-height: 1;
  text-decoration: none;
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn--primary {
  background-color: var(--color-primary);
  color: #fff;
}

.btn--primary:hover {
  background-color: var(--color-primary-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

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

.btn--outline {
  background-color: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn--outline:hover {
  background-color: var(--color-primary);
  color: #fff;
}

.btn--large {
  padding: var(--spacing-4) var(--spacing-8);
  font-size: var(--font-size-lg);
}

.btn--store {
  background-color: #000;
  color: #fff;
  padding: var(--spacing-3) var(--spacing-5);
  border-radius: var(--radius-lg);
}

.btn--store:hover {
  background-color: #333;
  color: #fff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

@media (prefers-color-scheme: dark) {
  .btn--store {
    background-color: #fff;
    color: #000;
  }
  
  .btn--store:hover {
    background-color: #e5e5e5;
    color: #000;
  }
}

.btn--store svg {
  width: 24px;
  height: 24px;
}

.btn--store-text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  text-align: left;
}

.btn--store-label {
  font-size: var(--font-size-xs);
  opacity: 0.8;
  line-height: 1;
}

.btn--store-name {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  line-height: 1.2;
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-4);
}

/* ---------- Hero Section ---------- */
.hero {
  min-height: calc(100vh - var(--header-height));
  display: flex;
  align-items: center;
  padding-top: var(--header-height);
  padding-bottom: var(--spacing-8);
  overflow: hidden;
}

.hero__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  min-height: calc(100vh - var(--header-height));
  justify-content: flex-start;
  padding-top: var(--spacing-6);
}

.hero__inner > .hero__badge {
  margin-bottom: var(--spacing-6);
}

.hero__screenshot-wrap {
  position: relative;
  flex: 1;
  min-height: 0;
  width: 100%;
}

.hero__screenshot {
  position: absolute;
  inset: 0;
  object-fit: contain;
  max-height: 75dvh;
  margin: 0 auto;
}

.hero__text-block {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-8) var(--spacing-6);
  text-align: center;
  background-color: rgba(25, 25, 25, 0.2);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
  z-index: 1;
}

.hero__text-block .hero__title {
  text-shadow: none;
}

.hero__text-block .hero__subtitle {
  text-shadow: none;
}

.hero__content {
  max-width: 800px;
  margin: 0 auto;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-2);
  padding: var(--spacing-2) var(--spacing-4);
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-6);
}

.hero__badge-dot {
  width: 8px;
  height: 8px;
  background-color: var(--color-success);
  border-radius: var(--radius-full);
  animation: pulse 2s infinite;
}

.hero__title {
  font-size: var(--font-size-5xl);
  font-weight: var(--font-weight-bold);
  line-height: 1.1;
  margin-bottom: var(--spacing-6);
  background: linear-gradient(135deg, var(--color-text) 0%, var(--color-text-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

@media (min-width: 768px) {
  .hero__title {
    font-size: var(--font-size-6xl);
  }
}

.hero__subtitle {
  font-size: var(--font-size-xl);
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto var(--spacing-10);
  line-height: 1.6;
}

.hero__buttons {
  justify-content: center;
}

/* ---------- Features Section ---------- */
.features {
  padding: var(--spacing-24) 0;
}

.features__item {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-12);
  align-items: center;
  margin-bottom: var(--spacing-24);
}

.features__item:last-child {
  margin-bottom: 0;
}

@media (min-width: 768px) {
  .features__item {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-16);
  }
  
  .features__item--reverse {
    direction: rtl;
  }
  
  .features__item--reverse > * {
    direction: ltr;
  }
}

.features__content {
  max-width: 480px;
}

.features__number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background-color: var(--color-primary);
  color: #fff;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-full);
  margin-bottom: var(--spacing-4);
}

.features__title {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--spacing-4);
}

.features__description {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-6);
}

.features__list {
  list-style: none;
}

.features__list-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-3);
  margin-bottom: var(--spacing-3);
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
}

.features__list-item::before {
  content: '';
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  background-color: var(--color-success);
  mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='currentColor'%3E%3Cpath fill-rule='evenodd' d='M16.707 5.293a1 1 0 010 1.414l-8 8a1 1 0 01-1.414 0l-4-4a1 1 0 011.414-1.414L8 12.586l7.293-7.293a1 1 0 011.414 0z' clip-rule='evenodd'/%3E%3C/svg%3E");
  -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='currentColor'%3E%3Cpath fill-rule='evenodd' d='M16.707 5.293a1 1 0 010 1.414l-8 8a1 1 0 01-1.414 0l-4-4a1 1 0 011.414-1.414L8 12.586l7.293-7.293a1 1 0 011.414 0z' clip-rule='evenodd'/%3E%3C/svg%3E");
  mask-size: contain;
  -webkit-mask-size: contain;
}

.features__image-wrapper {
  position: relative;
  display: flex;
  justify-content: center;
}

.features__image {
  width: 100%;
  max-width: 320px;
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-screenshot);
  transition: transform var(--transition-slow);
}

.features__image:hover {
  transform: translateY(-8px);
}

/* Screenshot frame effect */
.features__image-wrapper::after {
  content: '';
  position: absolute;
  bottom: -20px;
  left: 50%;
  transform: translateX(-50%);
  width: 60%;
  height: 20px;
  background: linear-gradient(to bottom, rgba(0, 0, 0, 0.1), transparent);
  filter: blur(10px);
  border-radius: 50%;
}

/* ---------- CTA Section ---------- */
.cta {
  padding: var(--spacing-24) 0;
  background-color: var(--color-bg);
  text-align: center;
  color: #fff;
}

.cta__title {
  font-size: var(--font-size-4xl);
  color: #fff;
  margin-bottom: var(--spacing-4);
}

.cta__subtitle {
  font-size: var(--font-size-xl);
  opacity: 0.9;
  margin-bottom: var(--spacing-8);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.cta .btn--store {
  background-color: #fff;
  color: #000;
}

.cta .btn--store:hover {
  background-color: #f0f0f0;
  color: #000;
}

.cta .btn-group {
  justify-content: center;
}

/* ---------- Footer ---------- */
.footer {
  padding: var(--spacing-16) 0 var(--spacing-8);
  background-color: var(--color-bg);
  border-top: 1px solid transparent;
}

.footer__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-8);
  margin-bottom: var(--spacing-12);
}

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

.footer__brand {
  max-width: 300px;
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
  margin-bottom: var(--spacing-4);
}

.footer__logo-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-lg);
}

.footer__tagline {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.footer__column-title {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-4);
}

.footer__links {
  list-style: none;
}

.footer__link {
  display: block;
  padding: var(--spacing-2) 0;
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

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

.footer__bottom {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-4);
  padding-top: var(--spacing-8);
  border-top: 1px solid var(--color-border);
  text-align: center;
}

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

.footer__copyright {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.footer__social {
  display: flex;
  gap: var(--spacing-4);
}

.footer__social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background-color: var(--color-bg);
  border-radius: var(--radius-full);
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
}

.footer__social-link:hover {
  background-color: var(--color-primary);
  color: #fff;
}

.footer__social-link svg {
  width: 20px;
  height: 20px;
}

/* ---------- Legal Pages ---------- */
.legal {
  padding-top: calc(var(--header-height) + var(--spacing-12));
  padding-bottom: var(--spacing-16);
  min-height: 100vh;
}

.legal__header {
  margin-bottom: var(--spacing-12);
  text-align: center;
}

.legal__title {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--spacing-4);
}

.legal__updated {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.legal__content {
  max-width: 800px;
  margin: 0 auto;
}

.legal__content h2 {
  font-size: var(--font-size-2xl);
  margin-top: var(--spacing-10);
  margin-bottom: var(--spacing-4);
  padding-top: var(--spacing-6);
  border-top: 1px solid var(--color-border);
}

.legal__content h2:first-of-type {
  border-top: none;
  padding-top: 0;
  margin-top: 0;
}

.legal__content h3 {
  font-size: var(--font-size-xl);
  margin-top: var(--spacing-6);
  margin-bottom: var(--spacing-3);
}

.legal__content p {
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-4);
}

.legal__content ul,
.legal__content ol {
  margin-bottom: var(--spacing-4);
  padding-left: var(--spacing-6);
  color: var(--color-text-secondary);
}

.legal__content li {
  margin-bottom: var(--spacing-2);
}

.legal__content a {
  color: var(--color-primary);
  text-decoration: underline;
}

.legal__content a.btn--primary {
  color: #fff;
  text-decoration: none;
}

.legal__content a.btn--primary:hover {
  color: #fff;
}

.legal__content strong {
  color: var(--color-text);
  font-weight: var(--font-weight-semibold);
}

/* ---------- Contact Page ---------- */
.contact {
  padding-top: calc(var(--header-height) + var(--spacing-12));
  padding-bottom: var(--spacing-16);
  min-height: 100vh;
}

.contact__header {
  text-align: center;
  margin-bottom: var(--spacing-12);
}

.contact__title {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--spacing-4);
}

.contact__subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  max-width: 500px;
  margin: 0 auto;
}

.contact__content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-12);
  max-width: 900px;
  margin: 0 auto;
}

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

.contact__form {
  background-color: var(--color-bg-secondary);
  padding: var(--spacing-8);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
}

.contact__info {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-6);
}

.contact__info-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-4);
}

.contact__info-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background-color: var(--color-primary);
  border-radius: var(--radius-lg);
  color: #fff;
  flex-shrink: 0;
}

.contact__info-icon svg {
  width: 24px;
  height: 24px;
}

.contact__info-text h3 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-1);
}

.contact__info-text p {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: 0;
}

.contact__info-text a {
  color: var(--color-primary);
}

/* Form Elements */
.form-group {
  margin-bottom: var(--spacing-5);
}

.form-label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
  margin-bottom: var(--spacing-2);
}

.form-label--required::after {
  content: ' *';
  color: var(--color-error);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: var(--spacing-3) var(--spacing-4);
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(26, 95, 163, 0.1);
}

.form-textarea {
  min-height: 150px;
  resize: vertical;
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='%236B7280'%3E%3Cpath fill-rule='evenodd' d='M5.293 7.293a1 1 0 011.414 0L10 10.586l3.293-3.293a1 1 0 111.414 1.414l-4 4a1 1 0 01-1.414 0l-4-4a1 1 0 010-1.414z' clip-rule='evenodd'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--spacing-3) center;
  background-size: 20px;
  padding-right: var(--spacing-10);
}

.form-submit {
  width: 100%;
  margin-top: var(--spacing-2);
}

/* ---------- Animations ---------- */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

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

/* Animation classes */
.animate {
  opacity: 0;
}

.animate--fade-in {
  animation: fadeIn var(--transition-slower) ease forwards;
}

.animate--fade-in-up {
  animation: fadeInUp 0.6s ease forwards;
}

.animate--fade-in-left {
  animation: fadeInLeft 0.6s ease forwards;
}

.animate--fade-in-right {
  animation: fadeInRight 0.6s ease forwards;
}

.animate--delay-1 {
  animation-delay: 0.1s;
}

.animate--delay-2 {
  animation-delay: 0.2s;
}

.animate--delay-3 {
  animation-delay: 0.3s;
}

.animate--delay-4 {
  animation-delay: 0.4s;
}

.animate--delay-5 {
  animation-delay: 0.5s;
}

/* Scroll-triggered animations */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal--left {
  transform: translateX(-30px);
}

.reveal--left.is-visible {
  transform: translateX(0);
}

.reveal--right {
  transform: translateX(30px);
}

.reveal--right.is-visible {
  transform: translateX(0);
}

/* ---------- Utilities ---------- */
.text-center {
  text-align: center;
}

.text-muted {
  color: var(--color-text-muted);
}

.mt-4 {
  margin-top: var(--spacing-4);
}

.mt-8 {
  margin-top: var(--spacing-8);
}

.mb-4 {
  margin-bottom: var(--spacing-4);
}

.mb-8 {
  margin-bottom: var(--spacing-8);
}

/* Screen reader only */
.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;
}

/* ---------- Responsive ---------- */
@media (max-width: 640px) {
  :root {
    --font-size-5xl: 2.25rem;
    --font-size-6xl: 2.75rem;
    --font-size-4xl: 1.875rem;
    --font-size-3xl: 1.5rem;
  }
  
  .section {
    padding: var(--spacing-12) 0;
  }
  
  .hero {
    padding-top: calc(var(--header-height) + var(--spacing-8));
    padding-bottom: var(--spacing-12);
  }
  
  .features {
    padding: var(--spacing-16) 0;
  }
  
  .features__item {
    margin-bottom: var(--spacing-16);
  }
  
  .cta {
    padding: var(--spacing-16) 0;
  }
  
  .btn-group {
    flex-direction: column;
    width: 100%;
  }
  
  .btn--store {
    width: 100%;
    justify-content: center;
  }
}