@layer base {
  section[id] {
    scroll-margin-top: var(--header-height);
  }

  .container {
    width: 100%;
    max-width: var(--container-max-width);
    margin-inline: auto;
    padding-inline: 1.5rem;
  }

  .section-padding {
    padding-block: clamp(3rem, 2.5rem + 6vw, 7rem);
  }
  
  main {
    margin-top: var(--header-height);
  }
}

@layer components {
  /* Header & Navigation */
  .main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--grey-medium);
    z-index: 1000;
    transition: background-color var(--transition-smooth), border-color var(--transition-smooth), box-shadow var(--transition-smooth);
  }

  .main-header.scrolled {
    background-color: rgba(6, 30, 79, 0.98);
    border-color: rgba(204, 145, 80, 0.3);
    box-shadow: var(--shadow-lg);
  }

  .main-header.scrolled .logo-text {
    color: var(--white-base);
  }
  .main-header.scrolled .logo-slogan {
    color: var(--ocre-secondary);
  }
  .main-header.scrolled .logo-img {
    filter: brightness(0) invert(1);
  }

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

  /* Logotipo */
  .logo-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    height: 100%;
  }

  .logo-img {
    height: 52px;
    width: auto;
    transition: transform var(--transition-smooth);
  }

  .logo-link:hover .logo-img {
    transform: scale(1.05);
  }

  .logo-text-wrapper {
    display: flex;
    flex-direction: column;
  }

  .logo-text {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--navy-primary);
    line-height: 1.15;
    font-family: var(--font-primary);
    transition: color var(--transition-smooth);
  }

  .logo-slogan {
    font-size: 0.65rem;
    color: var(--orange-accent);
    font-weight: 700;
    letter-spacing: 0.8px;
    margin-top: 2px;
    transition: color var(--transition-smooth);
  }

  /* Menú de Navegación */
  .nav-menu {
    display: flex;
    align-items: center;
    gap: 1.75rem;
  }

  .nav-link {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--navy-primary);
    position: relative;
    padding-block: 0.5rem;
    transition: color var(--transition-smooth);
  }

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

  .nav-link:hover {
    color: var(--orange-accent);
  }

  .nav-link:hover::after {
    transform: scaleX(1);
    transform-origin: left;
  }

  .main-header.scrolled .nav-link {
    color: rgba(255, 255, 255, 0.9);
  }
  .main-header.scrolled .nav-link:hover {
    color: var(--ocre-secondary);
  }
  .main-header.scrolled .nav-link::after {
    background-color: var(--ocre-secondary);
  }

  /* Hamburguesa Menú */
  .hamburger-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    width: 28px;
    height: 22px;
    position: relative;
    z-index: 1100;
  }

  .hamburger-line {
    display: block;
    width: 100%;
    height: 3px;
    background-color: var(--navy-primary);
    border-radius: 3px;
    position: absolute;
    left: 0;
    transition: transform var(--transition-smooth), opacity var(--transition-smooth), background-color var(--transition-smooth);
  }

  .main-header.scrolled .hamburger-line {
    background-color: var(--white-base);
  }

  .hamburger-line:nth-child(1) { top: 0; }
  .hamburger-line:nth-child(2) { top: 9px; }
  .hamburger-line:nth-child(3) { top: 18px; }

  /* Hamburguesa Activa */
  .hamburger-btn.active .hamburger-line:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
    background-color: var(--white-base) !important;
  }
  .hamburger-btn.active .hamburger-line:nth-child(2) {
    opacity: 0;
  }
  .hamburger-btn.active .hamburger-line:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
    background-color: var(--white-base) !important;
  }

  /* Grid Layouts Responsivos */
  .grid-2 {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .grid-3 {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .grid-4 {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  /* Breakpoints Escritorio */
  @media (min-width: 768px) {
    .grid-2 {
      grid-template-columns: repeat(2, 1fr);
      align-items: center;
    }
    .grid-3 {
      grid-template-columns: repeat(2, 1fr);
    }
    .grid-4 {
      grid-template-columns: repeat(2, 1fr);
    }
  }

  @media (min-width: 1024px) {
    .grid-3 {
      grid-template-columns: repeat(3, 1fr);
    }
    .grid-4 {
      grid-template-columns: repeat(4, 1fr);
    }
  }

  /* Menú Cortina Móvil (Slide-in right) */
  @media (max-width: 991px) {
    .hamburger-btn {
      display: block;
    }

    .nav-menu {
      position: fixed;
      top: 0;
      right: 0;
      width: min(320px, 80vw);
      height: 100vh;
      background-color: var(--navy-primary);
      flex-direction: column;
      justify-content: center;
      align-items: flex-start;
      padding: 3rem 2.5rem;
      gap: 2rem;
      box-shadow: -10px 0 30px rgba(0,0,0,0.3);
      transform: translateX(100%);
      transition: transform var(--transition-smooth);
      z-index: 1050;
    }

    .nav-menu.active {
      transform: translateX(0);
    }

    .nav-link {
      color: var(--white-base);
      font-size: 1.1rem;
      width: 100%;
      border-bottom: 1px solid rgba(255, 255, 255, 0.1);
      padding-bottom: 0.75rem;
    }

    .nav-link::after {
      display: none;
    }

    .nav-link:hover {
      color: var(--ocre-secondary);
      padding-left: 0.5rem;
    }
  }

  /* CTA Buttons in Header (Desktop & Mobile) */
  .nav-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-primary);
    text-decoration: none;
  }

  @media (min-width: 992px) {
    .nav-cta {
      font-size: 0.8rem;
      font-weight: 700;
      padding: 0.5rem 1.25rem;
      border-radius: var(--border-radius-md);
      transition: all var(--transition-smooth);
    }
    
    .nav-cta-secondary {
      border: 1.5px solid var(--ocre-secondary);
      color: var(--navy-primary);
      background-color: transparent;
      margin-left: 0.5rem;
    }
    .nav-cta-secondary:hover {
      background-color: var(--ocre-secondary);
      color: var(--white-base);
    }
    
    .nav-cta-primary {
      background-color: var(--orange-accent);
      color: var(--white-base);
      border: 1.5px solid var(--orange-accent);
      margin-left: 0.5rem;
    }
    .nav-cta-primary:hover {
      background-color: #a45d27;
      border-color: #a45d27;
    }

    .main-header.scrolled .nav-cta-secondary {
      color: var(--ocre-secondary);
      border-color: var(--ocre-secondary);
    }
    .main-header.scrolled .nav-cta-secondary:hover {
      background-color: var(--ocre-secondary);
      color: var(--white-base);
    }
    .main-header.scrolled .nav-cta-primary {
      background-color: var(--orange-accent);
      color: var(--white-base);
      border-color: var(--orange-accent);
    }
    .main-header.scrolled .nav-cta-primary:hover {
      background-color: #a45d27;
      border-color: #a45d27;
    }
  }

  @media (max-width: 991px) {
    .nav-menu .nav-cta {
      width: 100%;
      text-align: center;
      padding: 0.75rem 1rem;
      border-radius: var(--border-radius-md);
      font-size: 1rem;
      font-weight: 700;
      margin-top: 0.75rem;
      transition: all var(--transition-smooth);
    }
    
    .nav-menu .nav-cta-secondary {
      border: 1.5px solid var(--ocre-secondary);
      color: var(--ocre-secondary);
      background-color: transparent;
    }
    .nav-menu .nav-cta-secondary:hover {
      background-color: var(--ocre-secondary);
      color: var(--white-base);
    }
    
    .nav-menu .nav-cta-primary {
      background-color: var(--orange-accent);
      color: var(--white-base);
      border: 1.5px solid var(--orange-accent);
    }
    .nav-menu .nav-cta-primary:hover {
      background-color: #a45d27;
      border-color: #a45d27;
    }
  }
}