/* ========================================
   MAREA - Landing Page Styles
   Sistema de Diseño Contemplativo
   ======================================== */

/* ========================================
   CSS Variables (Theme)
   ======================================== */
   :root {
    /* Primary - Azul grisáceo */
    --primary-50: #F5F7FA;
    --primary-100: #E4E9F2;
    --primary-200: #CCD6E0;
    --primary-300: #B0C0D0;
    --primary-400: #92A8BE;
    --primary-500: #556B8D;
    --primary-600: #455875;
    --primary-700: #36455C;
    --primary-800: #283344;
    --primary-900: #1A222D;
  
    /* Sand - Arena cálida */
    --sand-50: #FFFCF9;
    --sand-100: #FDF6E9;
    --sand-200: #F7EBD5;
    --sand-300: #EBDCC0;
    --sand-400: #DBC8A7;
    --sand-500: #C4B5A0;
  
    /* Aqua - Turquesa */
    --aqua-300: #5EEAD4;
    --aqua-400: #2DD4BF;
    --aqua-500: #14B8A6;
    --aqua-600: #0D9488;
  
    /* Gray - Slate */
    --gray-50: #F8FAFC;
    --gray-100: #F1F5F9;
    --gray-200: #E2E8F0;
    --gray-300: #CBD5E1;
    --gray-400: #94A3B8;
    --gray-500: #64748B;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1E293B;
    --gray-900: #0F172A;
  
    /* Semantic */
    --background: #FFFFFF;
    --surface: #FFFCF9;
    --text-primary: #1E293B;
    --text-secondary: #64748B;
    --text-tertiary: #94A3B8;
    --border: #E2E8F0;
  
    /* Spacing */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 12px;
    --space-base: 16px;
    --space-lg: 20px;
    --space-xl: 24px;
    --space-2xl: 32px;
    --space-3xl: 40px;
    --space-4xl: 48px;
    --space-5xl: 64px;
    --space-6xl: 80px;
  
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    --radius-full: 9999px;
  
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(100, 116, 139, 0.06);
    --shadow-md: 0 4px 12px rgba(100, 116, 139, 0.08);
    --shadow-lg: 0 8px 24px rgba(100, 116, 139, 0.10);
    --shadow-xl: 0 12px 32px rgba(100, 116, 139, 0.12);
  
    /* Animation */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 350ms ease;
  
    /* Container */
    --container-max: 1200px;
    --container-narrow: 800px;
  }
  
  /* ========================================
     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: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--background);
  }
  
  img {
    max-width: 100%;
    height: auto;
    display: block;
  }
  
  a {
    color: inherit;
    text-decoration: none;
  }
  
  ul, ol {
    list-style: none;
  }
  
  button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
  }
  
  /* ========================================
     Typography
     ======================================== */
  h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    color: var(--text-primary);
  }
  
  .display {
    font-family: 'Fahkwang', serif;
    font-weight: 500;
  }
  
  h1 { font-size: 3rem; }
  h2 { font-size: 2.25rem; }
  h3 { font-size: 1.5rem; }
  h4 { font-size: 1.25rem; }
  p { color: var(--text-secondary); }
  
  .text-sm { font-size: 0.875rem; }
  .text-lg { font-size: 1.125rem; }
  .text-xl { font-size: 1.25rem; }
  
  @media (max-width: 768px) {
    h1 { font-size: 2.25rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.25rem; }
  }
  
  /* ========================================
     Layout
     ======================================== */
  .container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-xl);
  }
  
  .container--narrow {
    max-width: var(--container-narrow);
  }
  
  .section {
    padding: var(--space-6xl) 0;
  }
  
  .section--hero {
    padding-top: 120px;
    padding-bottom: var(--space-6xl);
  }
  
  /* ========================================
     Header / Navigation
     ======================================== */
  .header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    transition: var(--transition-normal);
  }
  
  .header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
  }
  
  .logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
  }
  
  .logo__icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    object-fit: cover;
  }
  
  .logo__text {
    font-family: 'Fahkwang', serif;
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--primary-700);
  }
  
  .nav {
    display: flex;
    align-items: center;
    gap: var(--space-2xl);
  }
  
  .nav__link {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition-fast);
  }
  
  .nav__link:hover {
    color: var(--primary-600);
  }
  
  .nav__cta {
    background: var(--primary-600);
    color: white;
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 0.9375rem;
    transition: var(--transition-fast);
  }
  
  .nav__cta:hover {
    background: var(--primary-700);
    transform: translateY(-1px);
  }
  
  /* Mobile Menu */
  .nav__toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-sm);
  }
  
  .nav__toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition-fast);
  }
  
  @media (max-width: 768px) {
    .nav {
      position: fixed;
      top: 72px;
      left: 0;
      right: 0;
      background: white;
      flex-direction: column;
      padding: var(--space-xl);
      gap: var(--space-lg);
      border-bottom: 1px solid var(--border);
      transform: translateY(-100%);
      opacity: 0;
      visibility: hidden;
      transition: var(--transition-normal);
    }
  
    .nav.is-open {
      transform: translateY(0);
      opacity: 1;
      visibility: visible;
    }
  
    .nav__toggle {
      display: flex;
    }
  }
  
  /* ========================================
     Buttons
     ======================================== */
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-base) var(--space-xl);
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition-fast);
    cursor: pointer;
  }
  
  .btn--primary {
    background: var(--primary-600);
    color: white;
    box-shadow: var(--shadow-md);
  }
  
  .btn--primary:hover {
    background: var(--primary-700);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
  }
  
  .btn--secondary {
    background: transparent;
    color: var(--primary-600);
    border: 2px solid var(--primary-200);
  }
  
  .btn--secondary:hover {
    background: var(--primary-50);
    border-color: var(--primary-300);
  }
  
  .btn--large {
    padding: var(--space-lg) var(--space-2xl);
    font-size: 1.125rem;
  }
  
  .btn--icon {
    width: 48px;
    height: 48px;
    padding: 0;
    border-radius: var(--radius-full);
  }
  
  /* Store Buttons */
  .store-buttons {
    display: flex;
    gap: var(--space-base);
    flex-wrap: wrap;
  }
  
  .store-btn {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    background: var(--gray-900);
    color: white;
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
  }
  
  .store-btn:hover {
    background: var(--gray-800);
    transform: translateY(-2px);
  }
  
  .store-btn__icon {
    width: 28px;
    height: 28px;
  }
  
  .store-btn__text {
    text-align: left;
  }
  
  .store-btn__label {
    font-size: 0.75rem;
    opacity: 0.8;
  }
  
  .store-btn__store {
    font-size: 1.125rem;
    font-weight: 600;
  }
  
  /* ========================================
     Hero Section
     ======================================== */
  .hero {
    background: linear-gradient(180deg, var(--primary-50) 0%, var(--sand-50) 50%, var(--background) 100%);
    position: relative;
    overflow: hidden;
  }
  
  .hero__content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-5xl);
    align-items: center;
  }
  
  .hero__text {
    max-width: 540px;
  }
  
  .hero__badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    background: var(--aqua-500);
    color: white;
    padding: var(--space-xs) var(--space-base);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--space-xl);
  }
  
  .hero__title {
    font-family: 'Fahkwang', serif;
    font-size: 3.5rem;
    font-weight: 500;
    line-height: 1.1;
    margin-bottom: var(--space-xl);
    color: var(--primary-800);
  }
  
  .hero__title span {
    color: var(--primary-500);
  }
  
  .hero__subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-2xl);
    line-height: 1.7;
  }
  
  .hero__actions {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
  }
  
  .hero__visual {
    position: relative;
    display: flex;
    justify-content: center;
  }
  
  .hero__phone {
    width: 280px;
    height: auto;
    filter: drop-shadow(0 40px 80px rgba(85, 107, 141, 0.25));
    animation: float 6s ease-in-out infinite;
  }
  
  @keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
  }
  
  /* Decorative waves */
  .hero__waves {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 120px;
    overflow: hidden;
  }
  
  .wave {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 200%;
    height: 100%;
    background-repeat: repeat-x;
    animation: wave 20s linear infinite;
  }
  
  .wave--1 {
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 120'%3E%3Cpath fill='%23556B8D' fill-opacity='0.1' d='M0,60 C360,120 720,0 1080,60 C1440,120 1440,120 1440,120 L1440,120 L0,120 Z'%3E%3C/path%3E%3C/svg%3E") repeat-x;
    background-size: 1440px 120px;
    opacity: 0.6;
  }
  
  .wave--2 {
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 120'%3E%3Cpath fill='%23556B8D' fill-opacity='0.15' d='M0,40 C360,100 720,20 1080,80 C1440,140 1440,120 1440,120 L1440,120 L0,120 Z'%3E%3C/path%3E%3C/svg%3E") repeat-x;
    background-size: 1440px 120px;
    animation-delay: -5s;
    animation-duration: 15s;
  }
  
  .wave--3 {
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 120'%3E%3Cpath fill='%23556B8D' fill-opacity='0.2' d='M0,80 C360,20 720,100 1080,40 C1440,0 1440,120 1440,120 L1440,120 L0,120 Z'%3E%3C/path%3E%3C/svg%3E") repeat-x;
    background-size: 1440px 120px;
    animation-delay: -10s;
    animation-duration: 25s;
  }
  
  @keyframes wave {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
  }
  
  @media (max-width: 968px) {
    .hero__content {
      grid-template-columns: 1fr;
      text-align: center;
    }
  
    .hero__text {
      max-width: 100%;
    }
  
    .hero__title {
      font-size: 2.5rem;
    }
  
    .hero__actions {
      align-items: center;
    }
  
    .hero__visual {
      order: -1;
    }
  
    .hero__phone {
      width: 220px;
    }
  }
  
  /* ========================================
     Features Section
     ======================================== */
  .features {
    background: var(--background);
  }
  
  .features__header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto var(--space-5xl);
  }
  
  .features__header h2 {
    margin-bottom: var(--space-base);
  }
  
  .features__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-2xl);
  }
  
  .feature-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    transition: var(--transition-normal);
  }
  
  .feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-200);
  }
  
  .feature-card__icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--primary-100), var(--primary-50));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-lg);
  }
  
  .feature-card__icon svg {
    width: 28px;
    height: 28px;
    color: var(--primary-600);
  }
  
  .feature-card__title {
    margin-bottom: var(--space-sm);
  }
  
  .feature-card__description {
    font-size: 0.9375rem;
    line-height: 1.6;
  }
  
  @media (max-width: 968px) {
    .features__grid {
      grid-template-columns: repeat(2, 1fr);
    }
  }
  
  @media (max-width: 600px) {
    .features__grid {
      grid-template-columns: 1fr;
    }
  }
  
  /* ========================================
     Categories Section
     ======================================== */
  .categories {
    background: linear-gradient(180deg, var(--background) 0%, var(--sand-50) 100%);
  }
  
  .categories__header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto var(--space-5xl);
  }
  
  .categories__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
  }
  
  .category-card {
    position: relative;
    aspect-ratio: 1;
    border-radius: var(--radius-xl);
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition-normal);
  }
  
  .category-card:hover {
    transform: scale(1.03);
  }
  
  .category-card__bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--primary-200), var(--aqua-300));
  }
  
  .category-card--anxiety .category-card__bg {
    background: linear-gradient(135deg, #E0F2FE, #BAE6FD);
  }
  
  .category-card--sleep .category-card__bg {
    background: linear-gradient(135deg, #EDE9FE, #C4B5FD);
  }
  
  .category-card--stress .category-card__bg {
    background: linear-gradient(135deg, #FEF3C7, #FDE68A);
  }
  
  .category-card--focus .category-card__bg {
    background: linear-gradient(135deg, #DCFCE7, #86EFAC);
  }
  
  .category-card__content {
    position: relative;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: var(--space-lg);
  }
  
  .category-card__icon {
    font-size: 2rem;
    margin-bottom: var(--space-sm);
  }
  
  .category-card__title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray-800);
  }
  
  .category-card__count {
    font-size: 0.875rem;
    color: var(--gray-600);
  }
  
  @media (max-width: 768px) {
    .categories__grid {
      grid-template-columns: repeat(2, 1fr);
    }
  }
  
  /* ========================================
     Testimonials Section
     ======================================== */
  .testimonials {
    background: var(--primary-800);
    color: white;
  }
  
  .testimonials__header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto var(--space-5xl);
  }
  
  .testimonials__header h2 {
    color: white;
  }
  
  .testimonials__header p {
    color: var(--gray-300);
  }
  
  .testimonials__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
  }
  
  .testimonial-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
  }
  
  .testimonial-card__stars {
    color: #FCD34D;
    margin-bottom: var(--space-base);
    font-size: 1.125rem;
  }
  
  .testimonial-card__text {
    color: var(--gray-200);
    margin-bottom: var(--space-lg);
    font-size: 0.9375rem;
    line-height: 1.7;
  }
  
  .testimonial-card__author {
    display: flex;
    align-items: center;
    gap: var(--space-md);
  }
  
  .testimonial-card__avatar {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--aqua-400), var(--primary-400));
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 1rem;
  }
  
  .testimonial-card__name {
    font-weight: 600;
    color: white;
  }
  
  .testimonial-card__location {
    font-size: 0.875rem;
    color: var(--gray-400);
  }
  
  @media (max-width: 968px) {
    .testimonials__grid {
      grid-template-columns: 1fr;
    }
  }
  
  /* ========================================
     CTA Section
     ======================================== */
  .cta {
    background: linear-gradient(135deg, var(--primary-50), var(--sand-100));
    text-align: center;
  }
  
  .cta__content {
    max-width: 700px;
    margin: 0 auto;
  }
  
  .cta h2 {
    font-family: 'Fahkwang', serif;
    font-size: 2.5rem;
    margin-bottom: var(--space-lg);
  }
  
  .cta p {
    font-size: 1.125rem;
    margin-bottom: var(--space-2xl);
  }
  
  .cta .store-buttons {
    justify-content: center;
  }
  
  /* ========================================
     Footer
     ======================================== */
  .footer {
    background: var(--gray-900);
    color: white;
    padding: var(--space-5xl) 0 var(--space-2xl);
  }
  
  .footer__grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-3xl);
    margin-bottom: var(--space-4xl);
  }
  
  .footer__brand {
    max-width: 280px;
  }
  
  .footer__logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
  }
  
  .footer__logo-text {
    font-family: 'Fahkwang', serif;
    font-size: 1.5rem;
    font-weight: 500;
  }
  
  .footer__tagline {
    color: var(--gray-400);
    font-size: 0.9375rem;
    line-height: 1.7;
  }
  
  .footer__column h4 {
    color: white;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-lg);
  }
  
  .footer__links {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
  }
  
  .footer__link {
    color: var(--gray-400);
    font-size: 0.9375rem;
    transition: var(--transition-fast);
  }
  
  .footer__link:hover {
    color: white;
  }
  
  .footer__bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--space-2xl);
    border-top: 1px solid var(--gray-700);
  }
  
  .footer__copyright {
    color: var(--gray-500);
    font-size: 0.875rem;
  }
  
  .footer__social {
    display: flex;
    gap: var(--space-base);
  }
  
  .footer__social a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-800);
    border-radius: var(--radius-full);
    color: var(--gray-400);
    transition: var(--transition-fast);
  }
  
  .footer__social a:hover {
    background: var(--primary-600);
    color: white;
  }
  
  @media (max-width: 968px) {
    .footer__grid {
      grid-template-columns: 1fr 1fr;
    }
  
    .footer__brand {
      grid-column: span 2;
    }
  }
  
  @media (max-width: 600px) {
    .footer__grid {
      grid-template-columns: 1fr;
    }
  
    .footer__brand {
      grid-column: span 1;
    }
  
    .footer__bottom {
      flex-direction: column;
      gap: var(--space-lg);
      text-align: center;
    }
  }
  
  /* ========================================
     Legal Pages (Privacy, Terms, Support)
     ======================================== */
  .legal {
    padding-top: 120px;
    padding-bottom: var(--space-5xl);
    min-height: 100vh;
  }
  
  .legal__header {
    margin-bottom: var(--space-4xl);
    padding-bottom: var(--space-2xl);
    border-bottom: 1px solid var(--border);
  }
  
  .legal__header h1 {
    font-family: 'Fahkwang', serif;
    font-size: 2.5rem;
    margin-bottom: var(--space-sm);
  }
  
  .legal__date {
    color: var(--text-tertiary);
    font-size: 0.875rem;
  }
  
  .legal__content {
    max-width: 800px;
  }
  
  .legal__content h2 {
    font-size: 1.5rem;
    margin-top: var(--space-3xl);
    margin-bottom: var(--space-lg);
    color: var(--primary-700);
  }
  
  .legal__content h3 {
    font-size: 1.125rem;
    margin-top: var(--space-2xl);
    margin-bottom: var(--space-base);
  }
  
  .legal__content p {
    margin-bottom: var(--space-base);
    line-height: 1.8;
  }
  
  .legal__content ul, 
  .legal__content ol {
    margin-bottom: var(--space-lg);
    padding-left: var(--space-xl);
  }
  
  .legal__content li {
    margin-bottom: var(--space-sm);
    color: var(--text-secondary);
    line-height: 1.7;
  }
  
  .legal__content ul li {
    list-style-type: disc;
  }
  
  .legal__content ol li {
    list-style-type: decimal;
  }
  
  .legal__content a {
    color: var(--primary-600);
    text-decoration: underline;
  }
  
  .legal__content a:hover {
    color: var(--primary-700);
  }
  
  /* ========================================
     Support Page Specific
     ======================================== */
  .support-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    margin-bottom: var(--space-xl);
  }
  
  .support-card__icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--primary-100), var(--primary-50));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-lg);
  }
  
  .support-card__icon svg {
    width: 28px;
    height: 28px;
    color: var(--primary-600);
  }
  
  .support-card h3 {
    margin-bottom: var(--space-sm);
  }
  
  .support-card p {
    margin-bottom: var(--space-lg);
  }
  
  .faq-item {
    border-bottom: 1px solid var(--border);
    padding: var(--space-lg) 0;
  }
  
  .faq-item:last-child {
    border-bottom: none;
  }
  
  .faq-question {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
  }
  
  .faq-answer {
    color: var(--text-secondary);
    line-height: 1.7;
  }
  
  /* ========================================
     Utilities
     ======================================== */
  .text-center { text-align: center; }
  .text-left { text-align: left; }
  .text-right { text-align: right; }
  
  .mt-sm { margin-top: var(--space-sm); }
  .mt-base { margin-top: var(--space-base); }
  .mt-lg { margin-top: var(--space-lg); }
  .mt-xl { margin-top: var(--space-xl); }
  .mt-2xl { margin-top: var(--space-2xl); }
  
  .mb-sm { margin-bottom: var(--space-sm); }
  .mb-base { margin-bottom: var(--space-base); }
  .mb-lg { margin-bottom: var(--space-lg); }
  .mb-xl { margin-bottom: var(--space-xl); }
  .mb-2xl { margin-bottom: var(--space-2xl); }
  
  .visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
  }