/* === BASE STYLES === */:root {
      --color-brand-primary: #6d28d9;
      --color-brand-secondary: #a855f7;
      --color-brand-accent: #ec4899;
      --color-brand-accent-bright: #f472b6;
      --color-neutral-900: #0d0a1a;
      --color-neutral-800: #150d2e;
      --color-neutral-700: #1e1040;
      --color-neutral-600: #2d1b69;
      --color-neutral-500: #3d2a7a;
      --color-neutral-200: #c4b5fd;
      --color-neutral-100: #ede9fe;
      --color-white: #ffffff;
      --color-text-primary: #f5f3ff;
      --color-text-secondary: #c4b5fd;
      --color-text-muted: #a78bfa;
      --color-surface-card: rgba(109, 40, 217, 0.12);
      --color-surface-card-hover: rgba(109, 40, 217, 0.22);
      --color-border: rgba(168, 85, 247, 0.25);
      --color-border-bright: rgba(236, 72, 153, 0.5);
      --spacing-xs: 0.5rem;
      --spacing-sm: 1rem;
      --spacing-md: 1.5rem;
      --spacing-lg: 2.5rem;
      --spacing-xl: 4rem;
      --spacing-xxl: 6rem;
      --radius-sm: 8px;
      --radius-md: 16px;
      --radius-lg: 24px;
      --radius-xl: 32px;
      --shadow-card: 0 4px 24px rgba(109, 40, 217, 0.25);
      --shadow-card-hover: 0 12px 48px rgba(236, 72, 153, 0.35);
      --shadow-glow: 0 0 30px rgba(168, 85, 247, 0.4);
      --shadow-accent-glow: 0 0 40px rgba(236, 72, 153, 0.5);
      --font-heading: 'Georgia', serif;
      --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
      --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
      --transition-bounce: 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    }

    html, body {
      overflow-x: hidden;
      max-width: 100vw;
    }

    body {
      font-family: var(--font-body);
      background-color: var(--color-neutral-900);
      color: var(--color-text-primary);
      line-height: 1.7;
      font-size: 1rem;
    }

    *,
    *::before,
    *::after {
      box-sizing: border-box;
    }

    h1, h2, h3, h4 {
      font-family: var(--font-heading);
      font-weight: 700;
      line-height: 1.2;
      color: var(--color-white);
    }

    p {
      color: var(--color-text-secondary);
      margin-bottom: 1rem;
    }

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

    a:hover {
      color: var(--color-brand-accent-bright);
    }

    ul {
      color: var(--color-text-secondary);
    }

    section {
      overflow: hidden;
    }

    .action-button {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 0.5rem;
      padding: 0.85rem 2rem;
      border-radius: var(--radius-md);
      font-weight: 700;
      font-size: 1rem;
      letter-spacing: 0.03em;
      text-decoration: none;
      border: none;
      cursor: pointer;
      transition: all var(--transition-bounce);
      white-space: nowrap;
      position: relative;
      overflow: hidden;
    }

    .action-button::before {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(135deg, rgba(255,255,255,0.15), transparent);
      opacity: 0;
      transition: opacity var(--transition-base);
    }

    .action-button:hover::before {
      opacity: 1;
    }

    .action-button-primary {
      background: linear-gradient(135deg, var(--color-brand-accent) 0%, var(--color-brand-primary) 100%);
      color: var(--color-white);
      box-shadow: 0 4px 24px rgba(236, 72, 153, 0.4);
    }

    .action-button-primary:hover {
      transform: translateY(-2px) scale(1.03);
      box-shadow: 0 8px 36px rgba(236, 72, 153, 0.6);
      color: var(--color-white);
    }

    .action-button-secondary {
      background: transparent;
      color: var(--color-brand-accent);
      border: 2px solid var(--color-brand-accent);
    }

    .action-button-secondary:hover {
      background: rgba(236, 72, 153, 0.12);
      transform: translateY(-2px);
      color: var(--color-brand-accent-bright);
      border-color: var(--color-brand-accent-bright);
    }

    .section-heading {
      font-size: clamp(1.75rem, 3vw, 2.5rem);
      margin-bottom: var(--spacing-md);
      background: linear-gradient(135deg, var(--color-white) 0%, var(--color-brand-secondary) 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }

    .premium-card {
      background: var(--color-surface-card);
      border: 1px solid var(--color-border);
      border-radius: var(--radius-lg);
      padding: var(--spacing-lg);
      transition: all var(--transition-base);
      backdrop-filter: blur(10px);
      box-shadow: var(--shadow-card);
    }

    .premium-card:hover {
      background: var(--color-surface-card-hover);
      border-color: rgba(236, 72, 153, 0.4);
      box-shadow: var(--shadow-card-hover);
      transform: translateY(-4px);
    }

    .premium-card h3 {
      font-size: 1.2rem;
      margin-bottom: var(--spacing-sm);
      color: var(--color-brand-accent-bright);
    }

    .premium-card ul {
      padding-left: 1.25rem;
      margin-bottom: 0;
    }

    .premium-card ul li {
      margin-bottom: 0.4rem;
      color: var(--color-text-secondary);
    }

    .checklist-item {
      list-style: none;
      padding-left: 0;
    }

    .checklist-item li {
      padding: 0.3rem 0 0.3rem 1.6rem;
      position: relative;
      color: var(--color-text-secondary);
    }

    .checklist-item li::before {
      content: '✓';
      position: absolute;
      left: 0;
      color: var(--color-brand-accent);
      font-weight: 700;
    }

    .steps-list-styled {
      list-style: none;
      padding-left: 0;
      counter-reset: step-counter;
    }

    .steps-list-styled li {
      counter-increment: step-counter;
      padding: 0.6rem 0 0.6rem 3rem;
      position: relative;
      color: var(--color-text-secondary);
      border-bottom: 1px solid var(--color-border);
    }

    .steps-list-styled li:last-child {
      border-bottom: none;
    }

    .steps-list-styled li::before {
      content: counter(step-counter);
      position: absolute;
      left: 0;
      top: 50%;
      transform: translateY(-50%);
      width: 2rem;
      height: 2rem;
      background: linear-gradient(135deg, var(--color-brand-accent), var(--color-brand-primary));
      color: var(--color-white);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 0.85rem;
    }

    .highlight-panel {
      background: linear-gradient(135deg, rgba(236, 72, 153, 0.15) 0%, rgba(109, 40, 217, 0.15) 100%);
      border: 1px solid var(--color-border-bright);
      border-radius: var(--radius-md);
      padding: var(--spacing-md) var(--spacing-lg);
      margin: var(--spacing-md) 0;
      box-shadow: 0 0 30px rgba(236, 72, 153, 0.1);
    }

    .highlight-panel p {
      margin-bottom: 0;
      color: var(--color-neutral-100);
    }

    .content-image-wrapper {
      border-radius: var(--radius-lg);
      overflow: hidden;
      margin: var(--spacing-md) 0;
      border: 1px solid var(--color-border);
      box-shadow: var(--shadow-card);
    }

    .content-image-wrapper img {
      width: 100%;
      height: auto;
      display: block;
      object-fit: cover;
      transition: transform 0.6s ease;
    }

    .content-image-wrapper:hover img {
      transform: scale(1.02);
    }

    .content-image-wrapper.portrait {
      border: none;
      box-shadow: none;
    }

    .content-image-wrapper.portrait img {
      max-height: 620px;
      object-fit: contain;
    }

    .divider-line {
      height: 1px;
      background: linear-gradient(90deg, transparent, var(--color-brand-secondary), transparent);
      border: none;
      margin: 0;
    }

    /* === LAYOUT STYLES === */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(13, 10, 26, 0.95);
      backdrop-filter: blur(20px);
      border-bottom: 1px solid var(--color-border);
      box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
    }

    .header-inner {
      display: flex;
      align-items: center;
      gap: var(--spacing-sm);
      padding-top: 0.85rem;
      padding-bottom: 0.85rem;
      flex-wrap: wrap;
    }

    .logo-link {
      text-decoration: none;
      display: flex;
      align-items: center;
    }

    .logo-brand {
      font-size: 1.6rem;
      font-weight: 900;
      letter-spacing: -0.02em;
      background: linear-gradient(135deg, var(--color-brand-accent) 0%, var(--color-brand-secondary) 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }

    .hamburger {
      display: none;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      gap: 5px;
      width: 44px;
      height: 44px;
      background: var(--color-surface-card);
      border: 1px solid var(--color-border);
      border-radius: var(--radius-sm);
      cursor: pointer;
      margin-left: auto;
      transition: all var(--transition-base);
    }

    .hamburger:hover {
      border-color: var(--color-brand-accent);
      background: rgba(236, 72, 153, 0.1);
    }

    .hamburger span {
      display: block;
      width: 20px;
      height: 2px;
      background: var(--color-brand-accent);
      border-radius: 2px;
      transition: all var(--transition-base);
    }

    .hamburger.is-active span:nth-child(1) {
      transform: rotate(45deg) translate(5px, 5px);
    }

    .hamburger.is-active span:nth-child(2) {
      opacity: 0;
    }

    .hamburger.is-active span:nth-child(3) {
      transform: rotate(-45deg) translate(5px, -5px);
    }

    .main-nav {
      margin-left: auto;
    }

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

    .nav-list li a {
      display: block;
      padding: 0.5rem 1rem;
      color: var(--color-text-secondary);
      font-weight: 600;
      font-size: 0.95rem;
      border-radius: var(--radius-sm);
      transition: all var(--transition-base);
    }

    .nav-list li a:hover {
      color: var(--color-white);
      background: rgba(168, 85, 247, 0.15);
    }

    .header-cta {
      max-width: 200px;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .site-footer {
      background: var(--color-neutral-800);
      border-top: 1px solid var(--color-border);
      padding: var(--spacing-xl) 0 var(--spacing-lg);
    }

    .footer-inner {
      display: flex;
      flex-direction: column;
      gap: var(--spacing-md);
      align-items: flex-start;
    }

    .footer-logo-brand {
      font-size: 1.5rem;
      font-weight: 900;
      background: linear-gradient(135deg, var(--color-brand-accent), var(--color-brand-secondary));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }

    .footer-nav-list {
      display: flex;
      flex-wrap: wrap;
      gap: var(--spacing-sm);
      list-style: none;
      margin: 0;
      padding: 0;
    }

    .footer-nav-list li a {
      color: var(--color-text-muted);
      font-size: 0.9rem;
      transition: color var(--transition-base);
    }

    .footer-nav-list li a:hover {
      color: var(--color-brand-accent-bright);
    }

    .footer-disclaimer {
      width: 100%;
    }

    .footer-disclaimer p {
      color: var(--color-text-muted);
      font-size: 0.82rem;
      line-height: 1.6;
      margin-bottom: 0;
    }

    @media (max-width: 767px) {
      .header-inner {
        flex-wrap: wrap;
        row-gap: 0;
      }

      .hamburger {
        display: flex;
      }

      .main-nav {
        width: 100%;
        margin-left: 0;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.4s ease;
      }

      .main-nav.nav-open {
        max-height: 400px;
      }

      .nav-list {
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: var(--spacing-xs) 0 var(--spacing-sm);
      }

      .nav-list li a {
        padding: 0.75rem 1rem;
        border-bottom: 1px solid var(--color-border);
      }

      .header-cta {
        width: 100%;
        max-width: 100%;
        text-align: center;
      }

      .header-inner .action-button {
        width: 100%;
        max-width: 100%;
      }
    }

    @media (min-width: 768px) {
      .main-nav {
        display: flex;
        align-items: center;
      }
    }

@media (max-width: 767px) {
      .header-inner {
        flex-wrap: wrap;
        row-gap: 0;
      }

      .hamburger {
        display: flex;
      }

      .main-nav {
        width: 100%;
        margin-left: 0;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.4s ease;
      }

      .main-nav.nav-open {
        max-height: 400px;
      }

      .nav-list {
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: var(--spacing-xs) 0 var(--spacing-sm);
      }

      .nav-list li a {
        padding: 0.75rem 1rem;
        border-bottom: 1px solid var(--color-border);
      }

      .header-cta {
        width: 100%;
        max-width: 100%;
        text-align: center;
      }

      .header-inner .action-button {
        width: 100%;
        max-width: 100%;
      }
    }

@media (min-width: 768px) {
      .main-nav {
        display: flex;
        align-items: center;
      }
    }