@layer reset, tokens, layout, components, utilities;

@layer reset {
  *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
  body { min-height: 100vh; }
  img, video { max-width: 100%; height: auto; display: block; }
  input, button, textarea, select { font: inherit; }
  a { text-decoration: none; color: inherit; }
  ul, ol { list-style: none; }
  button { cursor: pointer; border: none; background: none; }
  address { font-style: normal; }
  blockquote { quotes: none; }
}

@layer tokens {
  :root {
    --color-background-page: #f5f4f1;
    --color-background-section-alt: #eeece8;
    --color-background-dark: #1c1a17;
    --color-background-card: #ffffff;
    --color-background-card-subtle: #f9f8f6;

    --color-accent: #c85a1a;
    --color-accent-hover: #a84715;
    --color-accent-light: #fdf0e8;
    --color-accent-mid: #e8814d;

    --color-text-primary: #1c1a17;
    --color-text-secondary: #5a5650;
    --color-text-muted: #8a8480;
    --color-text-on-dark: #f5f4f1;
    --color-text-on-accent: #ffffff;

    --color-border: #e0ddd8;
    --color-border-strong: #c8c4be;

    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Work Sans', sans-serif;

    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-md: 1.125rem;
    --text-lg: 1.25rem;
    --text-xl: 1.5rem;
    --text-2xl: 2rem;
    --text-3xl: clamp(2rem, 4vw, 2.75rem);
    --text-4xl: clamp(2.5rem, 5vw, 3.5rem);
    --text-hero: clamp(2.8rem, 7vw, 5rem);

    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;
    --space-32: 8rem;

    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-2xl: 32px;
    --radius-full: 9999px;

    --shadow-xs: 0 1px 2px rgba(28,26,23,0.06);
    --shadow-sm: 0 1px 3px rgba(28,26,23,0.08), 0 1px 2px rgba(28,26,23,0.05);
    --shadow-md: 0 4px 6px rgba(28,26,23,0.07), 0 2px 4px rgba(28,26,23,0.05);
    --shadow-lg: 0 10px 20px rgba(28,26,23,0.09), 0 4px 8px rgba(28,26,23,0.06), 0 1px 2px rgba(28,26,23,0.04);
    --shadow-xl: 0 20px 40px rgba(28,26,23,0.12), 0 8px 16px rgba(28,26,23,0.08), 0 2px 4px rgba(28,26,23,0.04);
    --shadow-accent: 0 8px 24px rgba(200,90,26,0.28), 0 2px 8px rgba(200,90,26,0.15);

    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;

    --nav-height: 72px;
  }
}

@layer layout {
  body {
    font-family: var(--font-body);
    background-color: var(--color-background-page);
    color: var(--color-text-primary);
    line-height: 1.6;
    font-size: var(--text-base);
  }

  .section-container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-6);
  }

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

@layer components {

  /* ==================== NAVIGATION ==================== */
  .main-navigation {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 900;
    height: var(--nav-height);
    transition: background-color var(--transition-base), box-shadow var(--transition-base);
  }

  .main-navigation.nav-scrolled {
    background-color: var(--color-background-page);
    box-shadow: var(--shadow-md);
  }

  .navigation-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--nav-height);
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-6);
  }

  .navigation-logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    text-decoration: none;
  }

  .navigation-logo-image {
    width: 36px;
    height: 36px;
  }

  .navigation-brand-name {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: var(--text-lg);
    color: var(--color-text-primary);
    letter-spacing: -0.02em;
    transition: color var(--transition-fast);
  }

  .main-navigation.nav-scrolled .navigation-brand-name {
    color: var(--color-text-primary);
  }

  .navigation-links {
    display: none;
    align-items: center;
    gap: var(--space-8);
  }

  @media (min-width: 900px) {
    .navigation-links { display: flex; }
  }

  .navigation-link {
    font-family: var(--font-body);
    font-weight: 500;
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    letter-spacing: 0.01em;
    transition: color var(--transition-fast);
    position: relative;
  }

  .navigation-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent);
    border-radius: var(--radius-full);
    transition: width var(--transition-base);
  }

  .navigation-link:hover { color: var(--color-accent); }
  .navigation-link:hover::after { width: 100%; }

  .navigation-link-accent {
    background-color: var(--color-accent);
    color: var(--color-text-on-accent);
    padding: var(--space-2) var(--space-5);
    border-radius: var(--radius-full);
    font-weight: 600;
    transition: background-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
  }

  .navigation-link-accent::after { display: none; }
  .navigation-link-accent:hover {
    background-color: var(--color-accent-hover);
    box-shadow: var(--shadow-accent);
    transform: translateY(-1px);
    color: var(--color-text-on-accent);
  }

  .mobile-menu-trigger {
    display: flex;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-2);
    cursor: pointer;
    min-width: 44px;
    min-height: 44px;
    align-items: center;
    justify-content: center;
  }

  @media (min-width: 900px) {
    .mobile-menu-trigger { display: none; }
  }

  .hamburger-line {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-text-primary);
    border-radius: var(--radius-full);
    transition: transform var(--transition-base), opacity var(--transition-base);
  }

  /* ==================== MOBILE MENU OVERLAY ==================== */
  .mobile-menu-overlay {
    position: fixed;
    inset: 0;
    z-index: 1000;
    background-color: var(--color-background-dark);
    display: flex;
    flex-direction: column;
    padding: var(--space-6);
    opacity: 0;
    pointer-events: none;
    transform: scale(1.02);
    transition: opacity var(--transition-base), transform var(--transition-base);
  }

  .mobile-menu-overlay.is-open {
    opacity: 1;
    pointer-events: all;
    transform: scale(1);
  }

  .mobile-menu-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-12);
  }

  .mobile-menu-logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
  }

  .mobile-logo-image {
    width: 36px;
    height: 36px;
    filter: brightness(0) invert(1);
  }

  .mobile-brand-name {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: var(--text-lg);
    color: var(--color-text-on-dark);
  }

  .mobile-menu-close {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-on-dark);
    font-size: var(--text-xl);
    border-radius: var(--radius-md);
    transition: background-color var(--transition-fast), color var(--transition-fast);
  }

  .mobile-menu-close:hover {
    background-color: rgba(255,255,255,0.1);
    color: var(--color-accent-mid);
  }

  .mobile-menu-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
    flex: 1;
    align-content: start;
  }

  .mobile-menu-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    padding: var(--space-6) var(--space-4);
    border-radius: var(--radius-lg);
    background-color: rgba(255,255,255,0.06);
    color: var(--color-text-on-dark);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: var(--text-md);
    text-align: center;
    transition: background-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
    min-height: 100px;
  }

  .mobile-menu-item:hover {
    background-color: rgba(255,255,255,0.12);
    color: var(--color-accent-mid);
    transform: translateY(-2px);
  }

  .mobile-menu-item-accent {
    background-color: var(--color-accent);
    grid-column: span 2;
  }

  .mobile-menu-item-accent:hover {
    background-color: var(--color-accent-hover);
    color: var(--color-text-on-accent);
  }

  .mobile-menu-icon {
    font-size: 1.5rem;
  }

  /* ==================== HERO ==================== */
  .hero-banner {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-top: calc(var(--nav-height) + var(--space-12));
    padding-bottom: var(--space-16);
    background-color: var(--color-background-page);
    position: relative;
    overflow: hidden;
  }

  .hero-banner::before {
    content: '';
    position: absolute;
    top: -10%;
    right: -5%;
    width: 55%;
    height: 80%;
    background: radial-gradient(ellipse at 70% 30%, rgba(200,90,26,0.07) 0%, transparent 65%);
    pointer-events: none;
  }

  .hero-layout {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-6);
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-12);
    align-items: center;
  }

  @media (min-width: 900px) {
    .hero-layout {
      grid-template-columns: 6fr 5fr;
      gap: var(--space-16);
    }
  }

  .hero-label {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-text-muted);
    letter-spacing: 0.04em;
    text-transform: uppercase;
    margin-bottom: var(--space-5);
  }

  .label-dot {
    width: 8px;
    height: 8px;
    border-radius: var(--radius-full);
    background-color: var(--color-accent);
    flex-shrink: 0;
    animation: pulse-dot 2s ease-in-out infinite;
  }

  @keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(0.85); }
  }

  .hero-heading {
    font-family: var(--font-heading);
    font-size: var(--text-hero);
    font-weight: 800;
    line-height: 1.05;
    letter-spacing: -0.03em;
    color: var(--color-text-primary);
    margin-bottom: var(--space-6);
  }

  .hero-heading-accent {
    color: var(--color-accent);
    position: relative;
    display: inline-block;
  }

  .hero-description {
    font-size: var(--text-md);
    color: var(--color-text-secondary);
    line-height: 1.7;
    max-width: 520px;
    margin-bottom: var(--space-10);
  }

  .hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-4);
    align-items: center;
  }

  .primary-button {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    background-color: var(--color-accent);
    color: var(--color-text-on-accent);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: var(--text-base);
    padding: var(--space-4) var(--space-8);
    border-radius: var(--radius-full);
    transition: background-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
    min-height: 52px;
    box-shadow: var(--shadow-accent);
  }

  .primary-button:hover {
    background-color: var(--color-accent-hover);
    box-shadow: 0 12px 32px rgba(200,90,26,0.38);
    transform: translateY(-2px);
  }

  .secondary-button {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    background-color: transparent;
    color: var(--color-text-secondary);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: var(--text-base);
    padding: var(--space-4) var(--space-6);
    border-radius: var(--radius-full);
    border: 2px solid var(--color-border-strong);
    transition: border-color var(--transition-fast), color var(--transition-fast), background-color var(--transition-fast);
    min-height: 52px;
  }

  .secondary-button:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
    background-color: var(--color-accent-light);
  }

  .hero-visual-block {
    position: relative;
  }

  .hero-image-frame {
    position: relative;
    border-radius: var(--radius-2xl);
    overflow: hidden;
  }

  .hero-main-image {
    width: 100%;
    height: 420px;
    object-fit: cover;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
    transition: transform var(--transition-slow);
  }

  .hero-image-frame:hover .hero-main-image {
    transform: scale(1.02);
  }

  .hero-floating-card {
    position: absolute;
    bottom: var(--space-6);
    left: var(--space-6);
    background-color: var(--color-background-card);
    border-radius: var(--radius-lg);
    padding: var(--space-3) var(--space-5);
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-weight: 600;
    font-size: var(--text-sm);
    color: var(--color-text-primary);
    box-shadow: var(--shadow-lg);
  }

  .hero-card-icon {
    color: var(--color-accent);
    font-size: var(--text-base);
  }

  .hero-scroll-hint {
    position: absolute;
    bottom: var(--space-8);
    left: 50%;
    transform: translateX(-50%);
    color: var(--color-text-muted);
    font-size: var(--text-sm);
    animation: bounce-hint 2s ease-in-out infinite;
  }

  @keyframes bounce-hint {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(6px); }
  }

  /* ==================== PROBLEM SECTION ==================== */
  .problem-statement {
    background-color: var(--color-background-section-alt);
  }

  .problem-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-12);
    align-items: center;
  }

  @media (min-width: 900px) {
    .problem-layout {
      grid-template-columns: 5fr 6fr;
      gap: var(--space-16);
    }
  }

  .problem-image-side {
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
  }

  .problem-image {
    width: 100%;
    height: 420px;
    object-fit: cover;
    display: block;
    transition: transform var(--transition-slow);
  }

  .problem-image-side:hover .problem-image {
    transform: scale(1.03);
  }

  .problem-items {
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
    margin: var(--space-8) 0;
  }

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

  .problem-item-marker {
    width: 20px;
    height: 20px;
    border-radius: var(--radius-full);
    background-color: var(--color-accent);
    flex-shrink: 0;
    margin-top: 3px;
    box-shadow: 0 0 0 4px rgba(200,90,26,0.12);
  }

  .problem-item p {
    color: var(--color-text-secondary);
    line-height: 1.65;
  }

  .problem-closing {
    color: var(--color-text-muted);
    font-size: var(--text-sm);
    font-style: italic;
    padding-top: var(--space-4);
    border-top: 1px solid var(--color-border);
  }

  /* ==================== DECORATIVE DIVIDER ==================== */
  .decorative-divider {
    height: 60px;
    overflow: hidden;
    background-color: var(--color-background-page);
  }

  .divider-dot-field {
    width: 100%;
    height: 100%;
  }

  /* ==================== SECTION LABELS & HEADINGS ==================== */
  .section-label {
    font-size: var(--text-xs);
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: var(--space-3);
  }

  .section-heading {
    font-family: var(--font-heading);
    font-size: var(--text-3xl);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.025em;
    color: var(--color-text-primary);
    margin-bottom: var(--space-4);
  }

  .section-subtext {
    font-size: var(--text-md);
    color: var(--color-text-secondary);
    line-height: 1.65;
    max-width: 560px;
    margin-bottom: var(--space-12);
  }

  /* ==================== SEMINAR PROGRAM ==================== */
  .seminar-program {
    background-color: var(--color-background-page);
  }

  .program-header {
    text-align: center;
    margin-bottom: var(--space-12);
  }

  .program-header .section-subtext {
    margin: 0 auto var(--space-12);
  }

  .program-sessions-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-5);
  }

  @media (min-width: 640px) {
    .program-sessions-grid { grid-template-columns: 1fr 1fr; }
  }

  @media (min-width: 1000px) {
    .program-sessions-grid { grid-template-columns: repeat(4, 1fr); }
  }

  .program-session-card {
    background-color: var(--color-background-card);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--transition-base), transform var(--transition-base), border-color var(--transition-base);
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
  }

  .program-session-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
    border-color: var(--color-accent);
  }

  .program-session-card-accent {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
  }

  .program-session-card-accent .session-number {
    color: rgba(255,255,255,0.5);
  }

  .program-session-card-accent .session-title {
    color: var(--color-text-on-accent);
  }

  .program-session-card-accent .session-description {
    color: rgba(255,255,255,0.85);
  }

  .program-session-card-accent .session-duration {
    color: rgba(255,255,255,0.7);
    border-top-color: rgba(255,255,255,0.2);
  }

  .program-session-card-accent:hover {
    box-shadow: var(--shadow-accent);
    border-color: var(--color-accent-hover);
  }

  .session-number-block {
    margin-bottom: var(--space-2);
  }

  .session-number {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-border-strong);
    line-height: 1;
    letter-spacing: -0.04em;
  }

  .session-title {
    font-family: var(--font-heading);
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--space-2);
    letter-spacing: -0.01em;
  }

  .session-description {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    line-height: 1.65;
    flex: 1;
  }

  .session-duration {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    padding-top: var(--space-4);
    border-top: 1px solid var(--color-border);
    margin-top: auto;
  }

  /* ==================== BENTO GRID ==================== */
  .bento-feature-grid {
    background-color: var(--color-background-section-alt);
  }

  .bento-header {
    margin-bottom: var(--space-10);
  }

  .bento-grid-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }

  @media (min-width: 640px) {
    .bento-grid-layout {
      grid-template-columns: 1fr 1fr;
    }
  }

  @media (min-width: 900px) {
    .bento-grid-layout {
      grid-template-columns: repeat(6, 1fr);
      grid-template-rows: auto auto;
    }

    .bento-card-wide { grid-column: span 4; }
    .bento-card-tall { grid-column: span 2; grid-row: span 2; }
    .bento-card-small { grid-column: span 2; }
    .bento-card-medium { grid-column: span 3; }
    .bento-card-highlight { grid-column: span 3; }
  }

  .bento-card {
    background-color: var(--color-background-card);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--transition-base), transform var(--transition-base);
    overflow: hidden;
    position: relative;
  }

  .bento-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-3px);
  }

  .bento-card-highlight {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
  }

  .bento-card-icon-wrap {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    background-color: var(--color-accent-light);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-4);
  }

  .bento-card-highlight .bento-card-icon-wrap {
    background-color: rgba(255,255,255,0.2);
  }

  .bento-icon {
    color: var(--color-accent);
    font-size: 1.125rem;
  }

  .bento-icon-light {
    color: var(--color-text-on-accent);
  }

  .bento-card-title {
    font-family: var(--font-heading);
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--space-2);
    letter-spacing: -0.01em;
  }

  .bento-card-title-light {
    color: var(--color-text-on-accent);
  }

  .bento-card-text {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    line-height: 1.65;
  }

  .bento-card-text-light {
    color: rgba(255,255,255,0.85);
  }

  .bento-card-image {
    width: calc(100% + var(--space-12));
    margin: var(--space-4) calc(-1 * var(--space-6)) calc(-1 * var(--space-6));
    height: 180px;
    object-fit: cover;
    border-radius: 0 0 var(--radius-xl) var(--radius-xl);
  }

  .bento-card-image-bottom {
    margin-top: auto;
  }

  /* ==================== TOPICS SECTION ==================== */
  .seminar-topics {
    background-color: var(--color-background-page);
  }

  .topics-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-12);
    align-items: start;
  }

  @media (min-width: 900px) {
    .topics-layout {
      grid-template-columns: 6fr 5fr;
      gap: var(--space-16);
    }
  }

  .topics-intro-text {
    font-size: var(--text-md);
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-8);
  }

  .topics-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
  }

  .topic-item {
    display: flex;
    gap: var(--space-5);
    align-items: flex-start;
    padding: var(--space-5);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    background-color: var(--color-background-card-subtle);
    transition: border-color var(--transition-base), box-shadow var(--transition-base), transform var(--transition-base);
  }

  .topic-item:hover {
    border-color: var(--color-accent);
    box-shadow: var(--shadow-md);
    transform: translateX(4px);
  }

  .topic-number {
    font-family: var(--font-heading);
    font-size: var(--text-2xl);
    font-weight: 800;
    color: var(--color-accent);
    line-height: 1;
    flex-shrink: 0;
    min-width: 2rem;
  }

  .topic-name {
    font-family: var(--font-heading);
    font-size: var(--text-base);
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--space-2);
  }

  .topic-detail {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    line-height: 1.6;
  }

  .topics-image-stack {
    position: relative;
  }

  .topics-main-image {
    width: 100%;
    height: 340px;
    object-fit: cover;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
  }

  .topics-secondary-image {
    width: 60%;
    height: 200px;
    object-fit: cover;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    position: absolute;
    bottom: -var(--space-8);
    right: -var(--space-4);
    border: 4px solid var(--color-background-page);
    bottom: -40px;
    right: -20px;
  }

  @media (max-width: 899px) {
    .topics-secondary-image { display: none; }
    .topics-image-stack { margin-bottom: 0; }
  }

  /* ==================== FORMAT SECTION ==================== */
  .seminar-format {
    background-color: var(--color-background-section-alt);
  }

  .format-header {
    margin-bottom: var(--space-10);
  }

  .format-cards-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-5);
    margin-bottom: var(--space-10);
  }

  @media (min-width: 640px) {
    .format-cards-row { grid-template-columns: 1fr 1fr; }
  }

  @media (min-width: 1000px) {
    .format-cards-row { grid-template-columns: repeat(4, 1fr); }
  }

  .format-card {
    background-color: var(--color-background-card);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--transition-base), transform var(--transition-base);
  }

  .format-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-3px);
  }

  .format-icon-circle {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-full);
    background-color: var(--color-accent-light);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-5);
    font-size: 1.25rem;
    color: var(--color-accent);
    box-shadow: 0 0 0 6px rgba(200,90,26,0.08);
    transition: box-shadow var(--transition-base), background-color var(--transition-base);
  }

  .format-card:hover .format-icon-circle {
    background-color: var(--color-accent);
    color: var(--color-text-on-accent);
    box-shadow: var(--shadow-accent);
  }

  .format-card-title {
    font-family: var(--font-heading);
    font-size: var(--text-md);
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--space-3);
    letter-spacing: -0.01em;
  }

  .format-card-text {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    line-height: 1.65;
  }

  .format-image-block {
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
  }

  .format-wide-image {
    width: 100%;
    height: 320px;
    object-fit: cover;
    display: block;
    transition: transform var(--transition-slow);
  }

  .format-image-block:hover .format-wide-image {
    transform: scale(1.02);
  }

  /* ==================== AUDIENCE SECTION ==================== */
  .seminar-audience {
    background-color: var(--color-background-page);
  }

  .audience-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-12);
    align-items: start;
  }

  @media (min-width: 900px) {
    .audience-layout {
      grid-template-columns: 6fr 5fr;
      gap: var(--space-16);
    }
  }

  .audience-profiles {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
    margin-top: var(--space-8);
  }

  .audience-profile {
    display: flex;
    gap: var(--space-5);
    align-items: flex-start;
  }

  .profile-icon-wrap {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-lg);
    background-color: var(--color-accent-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.125rem;
    color: var(--color-accent);
    flex-shrink: 0;
    box-shadow: var(--shadow-xs);
    transition: background-color var(--transition-fast), color var(--transition-fast);
  }

  .audience-profile:hover .profile-icon-wrap {
    background-color: var(--color-accent);
    color: var(--color-text-on-accent);
  }

  .profile-description h4 {
    font-family: var(--font-heading);
    font-size: var(--text-base);
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--space-2);
  }

  .profile-description p {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    line-height: 1.65;
  }

  .audience-portrait-image {
    width: 100%;
    height: 380px;
    object-fit: cover;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
    margin-bottom: var(--space-5);
  }

  .audience-note-card {
    background-color: var(--color-background-dark);
    border-radius: var(--radius-xl);
    padding: var(--space-5) var(--space-6);
    box-shadow: var(--shadow-lg);
  }

  .audience-note-text {
    color: rgba(245,244,241,0.85);
    font-size: var(--text-sm);
    line-height: 1.65;
    font-style: italic;
  }

  /* ==================== LOCATION SECTION ==================== */
  .location-section {
    background-color: var(--color-background-section-alt);
  }

  .location-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-10);
    align-items: start;
  }

  @media (min-width: 900px) {
    .location-layout {
      grid-template-columns: 5fr 6fr;
      gap: var(--space-12);
    }
  }

  .location-address-text {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: var(--text-md);
    color: var(--color-text-secondary);
    margin: var(--space-5) 0;
  }

  .location-icon {
    color: var(--color-accent);
  }

  .location-description {
    font-size: var(--text-base);
    color: var(--color-text-secondary);
    line-height: 1.65;
    margin-bottom: var(--space-8);
  }

  .location-contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
  }

  .location-contact-link {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: var(--text-base);
    color: var(--color-text-secondary);
    font-weight: 500;
    transition: color var(--transition-fast);
    min-height: 44px;
  }

  .location-contact-link i {
    color: var(--color-accent);
    width: 20px;
    text-align: center;
  }

  .location-contact-link:hover {
    color: var(--color-accent);
  }

  .map-frame {
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--color-border);
  }

  .google-map-iframe {
    display: block;
    border-radius: var(--radius-2xl);
  }

  /* ==================== CONTACT SECTION ==================== */
  .contact-section {
    background-color: var(--color-background-page);
  }

  .contact-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-12);
    align-items: start;
  }

  @media (min-width: 900px) {
    .contact-layout {
      grid-template-columns: 4fr 6fr;
      gap: var(--space-16);
    }
  }

  .contact-intro-text {
    font-size: var(--text-md);
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-8);
  }

  .contact-side-image {
    width: 100%;
    height: 260px;
    object-fit: cover;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
  }

  /* ==================== ACCORDION FORM ==================== */
  .inquiry-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
  }

  .accordion-field-group {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    background-color: var(--color-background-card);
    box-shadow: var(--shadow-xs);
    transition: border-color var(--transition-base), box-shadow var(--transition-base);
  }

  .accordion-field-group:focus-within {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(200,90,26,0.12);
  }

  .accordion-field-trigger {
    width: 100%;
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-4) var(--space-5);
    cursor: pointer;
    background: none;
    border: none;
    text-align: left;
    transition: background-color var(--transition-fast);
    min-height: 56px;
  }

  .accordion-field-trigger:hover {
    background-color: var(--color-background-card-subtle);
  }

  .accordion-field-trigger.active {
    background-color: var(--color-accent-light);
  }

  .accordion-step-number {
    width: 28px;
    height: 28px;
    border-radius: var(--radius-full);
    background-color: var(--color-border);
    color: var(--color-text-secondary);
    font-family: var(--font-heading);
    font-size: var(--text-sm);
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: background-color var(--transition-fast), color var(--transition-fast);
  }

  .accordion-field-trigger.active .accordion-step-number {
    background-color: var(--color-accent);
    color: var(--color-text-on-accent);
  }

  .accordion-step-label {
    font-family: var(--font-heading);
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--color-text-primary);
    flex: 1;
  }

  .accordion-chevron {
    color: var(--color-text-muted);
    font-size: var(--text-sm);
    transition: transform var(--transition-base);
  }

  .accordion-field-trigger.active .accordion-chevron {
    transform: rotate(180deg);
  }

  .accordion-field-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow) ease, padding var(--transition-base);
    padding: 0 var(--space-5);
  }

  .accordion-field-body.open {
    max-height: 600px;
    padding: var(--space-2) var(--space-5) var(--space-5);
  }

  .field-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
  }

  .field-group:last-child {
    margin-bottom: 0;
  }

  .field-label {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
  }

  .field-required {
    color: var(--color-accent);
  }

  .field-input,
  .field-textarea {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-md);
    background-color: var(--color-background-page);
    color: var(--color-text-primary);
    font-size: var(--text-base);
    line-height: 1.5;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    min-height: 44px;
  }

  .field-input:focus,
  .field-textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(200,90,26,0.12);
    background-color: var(--color-background-card);
  }

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

  .privacy-checkbox-wrap {
    padding: var(--space-2) 0;
  }

  .privacy-checkbox-label {
    display: flex;
    gap: var(--space-3);
    align-items: flex-start;
    cursor: pointer;
  }

  .privacy-checkbox-input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
  }

  .privacy-checkbox-custom {
    width: 22px;
    height: 22px;
    border: 2px solid var(--color-border-strong);
    border-radius: var(--radius-sm);
    flex-shrink: 0;
    margin-top: 1px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: border-color var(--transition-fast), background-color var(--transition-fast);
  }

  .privacy-checkbox-custom::after {
    content: '';
    width: 12px;
    height: 12px;
    background-color: var(--color-text-on-accent);
    border-radius: 2px;
    transform: scale(0);
    transition: transform var(--transition-fast);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 10'%3E%3Cpath d='M1 5l3.5 3.5L11 1' stroke='white' stroke-width='2' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
  }

  .privacy-checkbox-input:checked + .privacy-checkbox-custom {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
  }

  .privacy-checkbox-input:checked + .privacy-checkbox-custom::after {
    transform: scale(1);
  }

  .privacy-checkbox-text {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    line-height: 1.6;
  }

  .privacy-link {
    color: var(--color-accent);
    text-decoration: underline;
    transition: color var(--transition-fast);
  }

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

  .form-submit-area {
    padding-top: var(--space-2);
  }

  .form-submit-button {
    display: inline-flex;
    align-items: center;
    gap: var(--space-3);
    background-color: var(--color-accent);
    color: var(--color-text-on-accent);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: var(--text-base);
    padding: var(--space-4) var(--space-8);
    border-radius: var(--radius-full);
    border: none;
    cursor: pointer;
    width: 100%;
    justify-content: center;
    transition: background-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
    min-height: 52px;
    box-shadow: var(--shadow-accent);
  }

  .form-submit-button:hover {
    background-color: var(--color-accent-hover);
    box-shadow: 0 12px 32px rgba(200,90,26,0.38);
    transform: translateY(-2px);
  }

  /* ==================== FOOTER ==================== */
  .page-footer {
    background-color: var(--color-background-dark);
    color: var(--color-text-on-dark);
  }

  .footer-quote-block {
    padding: var(--space-20) 0;
    border-bottom: 1px solid rgba(255,255,255,0.08);
  }

  .footer-featured-quote {
    max-width: 720px;
  }

  .footer-quote-text {
    font-family: var(--font-heading);
    font-size: clamp(1.4rem, 3vw, 2.2rem);
    font-weight: 600;
    color: var(--color-text-on-dark);
    line-height: 1.35;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-5);
  }

  .footer-quote-attribution {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    display: flex;
    align-items: center;
    gap: var(--space-3);
  }

  .footer-quote-attribution::before {
    content: '';
    display: inline-block;
    width: 32px;
    height: 2px;
    background-color: var(--color-accent);
    border-radius: var(--radius-full);
  }

  .footer-main-block {
    padding: var(--space-16) 0 var(--space-10);
  }

  .footer-columns-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-10);
    margin-bottom: var(--space-12);
  }

  @media (min-width: 640px) {
    .footer-columns-layout { grid-template-columns: 1fr 1fr; }
  }

  @media (min-width: 900px) {
    .footer-columns-layout { grid-template-columns: 2.5fr 1fr 1fr 1.5fr; }
  }

  .footer-logo-link {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
    transition: opacity var(--transition-fast);
  }

  .footer-logo-link:hover { opacity: 0.8; }

  .footer-logo-image {
    width: 32px;
    height: 32px;
    filter: brightness(0) invert(1);
  }

  .footer-brand-name {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: var(--text-lg);
    color: var(--color-text-on-dark);
  }

  .footer-brand-description {
    font-size: var(--text-sm);
    color: rgba(245,244,241,0.55);
    line-height: 1.65;
    max-width: 280px;
  }

  .footer-column-heading {
    font-family: var(--font-heading);
    font-size: var(--text-xs);
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    margin-bottom: var(--space-4);
  }

  .footer-nav-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
  }

  .footer-nav-link {
    font-size: var(--text-sm);
    color: rgba(245,244,241,0.65);
    transition: color var(--transition-fast);
    display: inline-block;
    min-height: 24px;
  }

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

  .footer-address {
    font-size: var(--text-sm);
    color: rgba(245,244,241,0.65);
    line-height: 1.8;
    margin-bottom: var(--space-4);
  }

  .footer-contact-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: var(--text-sm);
    color: rgba(245,244,241,0.65);
    margin-bottom: var(--space-2);
    transition: color var(--transition-fast);
    min-height: 32px;
  }

  .footer-contact-item i {
    color: var(--color-accent);
    width: 16px;
    text-align: center;
  }

  .footer-contact-item:hover {
    color: var(--color-accent-mid);
  }

  .footer-bottom-bar {
    padding-top: var(--space-8);
    border-top: 1px solid rgba(255,255,255,0.08);
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
  }

  @media (min-width: 640px) {
    .footer-bottom-bar {
      flex-direction: row;
      justify-content: space-between;
      align-items: flex-start;
    }
  }

  .footer-copyright {
    font-size: var(--text-xs);
    color: rgba(245,244,241,0.4);
  }

  .footer-disclaimer {
    font-size: var(--text-xs);
    color: rgba(245,244,241,0.35);
    max-width: 480px;
    line-height: 1.5;
    text-align: right;
  }

  @media (max-width: 639px) {
    .footer-disclaimer { text-align: left; }
  }

  /* ==================== COOKIE CONSENT ==================== */
  .cookie-consent-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 9000;
    display: grid;
    grid-template-columns: 1fr 1fr;
    background-color: var(--color-background-dark);
    border-top: 1px solid rgba(255,255,255,0.1);
    box-shadow: 0 -8px 32px rgba(0,0,0,0.25);
    transform: translateY(100%);
    transition: transform var(--transition-slow);
  }

  .cookie-consent-banner.is-visible {
    transform: translateY(0);
  }

  @media (max-width: 700px) {
    .cookie-consent-banner {
      grid-template-columns: 1fr;
    }
  }

  .cookie-consent-left {
    padding: var(--space-6) var(--space-6) var(--space-6) var(--space-8);
    border-right: 1px solid rgba(255,255,255,0.08);
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    justify-content: center;
  }

  @media (max-width: 700px) {
    .cookie-consent-left {
      padding: var(--space-5);
      border-right: none;
      border-bottom: 1px solid rgba(255,255,255,0.08);
    }
  }

  .cookie-consent-heading {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: var(--text-md);
    color: var(--color-text-on-dark);
  }

  .cookie-consent-icon {
    color: var(--color-accent);
  }

  .cookie-consent-description {
    font-size: var(--text-sm);
    color: rgba(245,244,241,0.65);
    line-height: 1.6;
  }

  .cookie-consent-policy-link {
    color: var(--color-accent-mid);
    text-decoration: underline;
    transition: color var(--transition-fast);
  }

  .cookie-consent-policy-link:hover {
    color: var(--color-accent);
  }

  .cookie-consent-right {
    padding: var(--space-5) var(--space-8) var(--space-5) var(--space-6);
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    justify-content: center;
  }

  @media (max-width: 700px) {
    .cookie-consent-right {
      padding: var(--space-5);
    }
  }

  .cookie-toggle-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
  }

  .cookie-toggle-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
  }

  .cookie-toggle-info {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
  }

  .cookie-toggle-name {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-text-on-dark);
  }

  .cookie-toggle-note {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
  }

  .cookie-toggle-switch {
    position: relative;
    width: 44px;
    height: 24px;
    border-radius: var(--radius-full);
    background-color: rgba(255,255,255,0.15);
    cursor: pointer;
    flex-shrink: 0;
    transition: background-color var(--transition-base);
    display: block;
  }

  .cookie-toggle-switch-locked {
    background-color: var(--color-accent);
    cursor: not-allowed;
  }

  .cookie-toggle-input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
  }

  .cookie-toggle-input:checked + .cookie-toggle-knob,
  .cookie-toggle-switch-locked .cookie-toggle-knob {
    transform: translateX(20px);
  }

  .cookie-toggle-input:checked ~ .cookie-toggle-knob {
    transform: translateX(20px);
  }

  label.cookie-toggle-switch:has(.cookie-toggle-input:checked) {
    background-color: var(--color-accent);
  }

  .cookie-toggle-knob {
    position: absolute;
    top: 3px;
    left: 3px;
    width: 18px;
    height: 18px;
    border-radius: var(--radius-full);
    background-color: white;
    transition: transform var(--transition-base);
    box-shadow: var(--shadow-sm);
  }

  .cookie-consent-buttons {
    display: flex;
    gap: var(--space-3);
  }

  .cookie-button-accept-all {
    flex: 1;
    background-color: var(--color-accent);
    color: var(--color-text-on-accent);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: var(--text-sm);
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-full);
    border: none;
    cursor: pointer;
    min-height: 44px;
    transition: background-color var(--transition-fast), box-shadow var(--transition-fast);
  }

  .cookie-button-accept-all:hover {
    background-color: var(--color-accent-hover);
    box-shadow: var(--shadow-accent);
  }

  .cookie-button-save {
    flex: 1;
    background-color: transparent;
    color: rgba(245,244,241,0.75);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: var(--text-sm);
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-full);
    border: 1px solid rgba(255,255,255,0.2);
    cursor: pointer;
    min-height: 44px;
    transition: border-color var(--transition-fast), color var(--transition-fast), background-color var(--transition-fast);
  }

  .cookie-button-save:hover {
    border-color: rgba(255,255,255,0.4);
    color: var(--color-text-on-dark);
    background-color: rgba(255,255,255,0.06);
  }
}

@layer utilities {
  .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;
  }

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