@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 { -webkit-font-smoothing: antialiased; }
  img, video { max-width: 100%; display: block; }
  input, button, textarea, select { font: inherit; }
  ul, ol { list-style: none; }
  a { text-decoration: none; color: inherit; }
  button { cursor: pointer; background: none; border: none; }
  address { font-style: normal; }
}

@layer tokens {
  :root {
    --clr-bg-deep:       #080b12;
    --clr-bg-surface:    #0d1220;
    --clr-bg-card:       #111827;
    --clr-bg-card-hi:    #162033;
    --clr-border:        rgba(99,179,237,0.12);
    --clr-border-bright: rgba(99,179,237,0.28);

    --clr-primary:       #3b82f6;
    --clr-primary-glow:  rgba(59,130,246,0.35);
    --clr-secondary:     #06b6d4;
    --clr-secondary-glow:rgba(6,182,212,0.3);
    --clr-accent:        #8b5cf6;
    --clr-accent-glow:   rgba(139,92,246,0.3);

    --clr-text-primary:  #e8edf5;
    --clr-text-secondary:#8fa8c8;
    --clr-text-muted:    #4a6080;
    --clr-text-on-dark:  #c8d8ec;

    --grad-primary: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
    --grad-secondary: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
    --grad-glow: linear-gradient(135deg, rgba(59,130,246,0.15) 0%, rgba(139,92,246,0.15) 100%);

    --shadow-sm:  0 1px 3px rgba(0,0,0,0.4), 0 1px 2px rgba(0,0,0,0.3);
    --shadow-md:  0 4px 12px rgba(0,0,0,0.5), 0 2px 4px rgba(0,0,0,0.3);
    --shadow-lg:  0 10px 30px rgba(0,0,0,0.6), 0 4px 8px rgba(0,0,0,0.4);
    --shadow-xl:  0 20px 50px rgba(0,0,0,0.7), 0 8px 16px rgba(0,0,0,0.4);
    --shadow-glow-blue: 0 0 20px rgba(59,130,246,0.4), 0 0 40px rgba(59,130,246,0.2);
    --shadow-glow-purple: 0 0 20px rgba(139,92,246,0.4), 0 0 40px rgba(139,92,246,0.15);
    --shadow-glow-cyan: 0 0 20px rgba(6,182,212,0.4), 0 0 40px rgba(6,182,212,0.15);

    --radius-xs: 4px;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 18px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 20px;
    --space-6: 24px;
    --space-8: 32px;
    --space-10: 40px;
    --space-12: 48px;
    --space-16: 64px;
    --space-20: 80px;
    --space-24: 96px;
    --space-32: 128px;

    --font-heading: 'Libre Baskerville', Georgia, serif;
    --font-body:    'DM Sans', system-ui, sans-serif;

    --nav-h: 72px;
    --transition-fast: 150ms ease-out;
    --transition-base: 250ms ease-out;
    --transition-slow: 400ms ease-out;
  }
}

@layer layout {
  body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.65;
    color: var(--clr-text-primary);
    background-color: var(--clr-bg-deep);
    overflow-x: hidden;
  }

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

  section {
    position: relative;
    overflow: hidden;
  }
}

@layer components {

  /* ── NAV ── */
  .c-nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 900;
    height: var(--nav-h);
    background: rgba(8,11,18,0.85);
    backdrop-filter: blur(16px) saturate(180%);
    -webkit-backdrop-filter: blur(16px) saturate(180%);
    border-bottom: 1px solid var(--clr-border);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
    will-change: transform;
  }
  .c-nav.is-hidden { transform: translateY(-100%); }
  .c-nav.is-scrolled { box-shadow: 0 4px 24px rgba(0,0,0,0.6); }
  .c-nav__inner {
    max-width: 1200px;
    margin-inline: auto;
    padding-inline: var(--space-6);
    height: 100%;
    display: flex;
    align-items: center;
    gap: var(--space-8);
  }
  .c-nav__logo { flex-shrink: 0; }
  .c-nav__links {
    display: flex;
    gap: var(--space-1);
    margin-left: auto;
  }
  .c-nav__link {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--clr-text-secondary);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-sm);
    transition: color var(--transition-fast), background var(--transition-fast);
  }
  .c-nav__link:hover { color: var(--clr-text-primary); background: rgba(59,130,246,0.08); }
  .c-nav__burger {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-2);
    margin-left: auto;
  }
  .c-nav__burger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--clr-text-primary);
    border-radius: var(--radius-full);
    transition: transform var(--transition-base), opacity var(--transition-base);
  }
  .c-nav__burger.is-active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .c-nav__burger.is-active span:nth-child(2) { opacity: 0; }
  .c-nav__burger.is-active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  /* ── MOBILE MENU ── */
  .c-mobile-menu {
    position: fixed;
    inset: 0;
    z-index: 950;
    display: flex;
    transform: translateX(-100%);
    transition: transform 0.45s cubic-bezier(0.77,0,0.175,1);
  }
  .c-mobile-menu.is-open { transform: translateX(0); }
  .c-mobile-menu__left {
    width: 55%;
    background: var(--clr-bg-card);
    display: flex;
    flex-direction: column;
    padding: var(--space-8) var(--space-6);
    border-right: 1px solid var(--clr-border-bright);
  }
  .c-mobile-menu__right {
    width: 45%;
    position: relative;
    overflow: hidden;
  }
  .c-mobile-menu__img {
    width: 100%; height: 100%;
    object-fit: cover;
    filter: brightness(0.5) saturate(1.2);
  }
  .c-mobile-menu__overlay-text {
    position: absolute;
    bottom: var(--space-8);
    left: var(--space-6);
    display: flex;
    flex-direction: column;
  }
  .c-mobile-menu__overlay-text span {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    color: #fff;
    font-weight: 700;
  }
  .c-mobile-menu__overlay-text small {
    font-size: 0.8rem;
    color: var(--clr-secondary);
    letter-spacing: 0.1em;
    text-transform: uppercase;
  }
  .c-mobile-menu__close {
    align-self: flex-end;
    font-size: 1.4rem;
    color: var(--clr-text-secondary);
    padding: var(--space-2);
    transition: color var(--transition-fast);
    min-height: 44px; min-width: 44px;
    display: flex; align-items: center; justify-content: flex-end;
  }
  .c-mobile-menu__close:hover { color: var(--clr-primary); }
  .c-mobile-menu__links {
    margin-top: var(--space-10);
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    flex: 1;
  }
  .c-mobile-menu__links a {
    font-family: var(--font-heading);
    font-size: clamp(1.4rem, 5vw, 1.8rem);
    font-weight: 700;
    color: var(--clr-text-primary);
    padding: var(--space-3) 0;
    border-bottom: 1px solid var(--clr-border);
    transition: color var(--transition-fast), padding-left var(--transition-base);
    display: block;
    min-height: 52px;
    display: flex; align-items: center;
  }
  .c-mobile-menu__links a:hover { color: var(--clr-primary); padding-left: var(--space-3); }
  .c-mobile-menu__cta { margin-top: var(--space-8); align-self: flex-start; }

  /* ── BUTTONS ── */
  .c-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: 12px 24px;
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 600;
    transition: all var(--transition-base);
    white-space: nowrap;
    min-height: 44px;
    position: relative;
    overflow: hidden;
  }
  .c-btn--primary {
    background: var(--grad-primary);
    color: #fff;
    box-shadow: 0 4px 15px rgba(59,130,246,0.3);
  }
  .c-btn--primary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #60a5fa, #a78bfa);
    opacity: 0;
    transition: opacity var(--transition-base);
  }
  .c-btn--primary:hover { transform: translateY(-2px); box-shadow: var(--shadow-glow-blue); }
  .c-btn--primary:hover::before { opacity: 1; }
  .c-btn--primary span, .c-btn--primary i { position: relative; z-index: 1; }
  .c-btn--ghost {
    background: transparent;
    color: var(--clr-text-primary);
    border: 1px solid var(--clr-border-bright);
  }
  .c-btn--ghost:hover {
    background: rgba(59,130,246,0.08);
    border-color: var(--clr-primary);
    color: var(--clr-primary);
    transform: translateY(-2px);
  }
  .c-btn--outline {
    background: transparent;
    color: var(--clr-secondary);
    border: 1px solid rgba(6,182,212,0.3);
  }
  .c-btn--outline:hover {
    background: rgba(6,182,212,0.08);
    border-color: var(--clr-secondary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow-cyan);
  }
  .c-btn--nav {
    background: var(--grad-primary);
    color: #fff;
    padding: 9px 20px;
    font-size: 0.875rem;
    box-shadow: 0 2px 10px rgba(59,130,246,0.25);
  }
  .c-btn--nav:hover { transform: translateY(-1px); box-shadow: var(--shadow-glow-blue); }
  .c-btn--lg { padding: 15px 32px; font-size: 1rem; }
  .c-btn--full { width: 100%; justify-content: center; }

  /* ── TAG / LABEL ── */
  .c-tag {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    background: rgba(59,130,246,0.12);
    border: 1px solid rgba(59,130,246,0.25);
    color: var(--clr-secondary);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    padding: 6px 14px;
    border-radius: var(--radius-full);
    margin-bottom: var(--space-5);
  }
  .c-label {
    display: block;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--clr-secondary);
    margin-bottom: var(--space-3);
  }

  /* ── HERO ── */
  .s-hero {
    min-height: 100svh;
    display: flex;
    align-items: center;
    padding-top: var(--nav-h);
    background: var(--clr-bg-deep);
  }
  .s-hero__bg-grid {
    position: absolute;
    inset: 0;
    background-image:
      linear-gradient(rgba(59,130,246,0.04) 1px, transparent 1px),
      linear-gradient(90deg, rgba(59,130,246,0.04) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 80% 80% at 50% 40%, black 30%, transparent 100%);
  }
  .s-hero__glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    pointer-events: none;
  }
  .s-hero__glow--1 {
    width: 500px; height: 400px;
    background: rgba(59,130,246,0.15);
    top: 10%; left: -10%;
  }
  .s-hero__glow--2 {
    width: 400px; height: 300px;
    background: rgba(139,92,246,0.12);
    bottom: 10%; right: -5%;
  }
  .s-hero__inner {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-12);
    align-items: center;
    padding-block: var(--space-20);
    position: relative;
    z-index: 1;
  }
  .s-hero__content { max-width: 620px; }
  .s-hero__heading {
    font-family: var(--font-heading);
    font-size: clamp(2.4rem, 6vw, 4.2rem);
    font-weight: 700;
    line-height: 1.1;
    color: var(--clr-text-primary);
    margin-bottom: var(--space-6);
  }
  .s-hero__heading em {
    font-style: italic;
    background: var(--grad-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
  }
  .s-hero__sub {
    font-size: clamp(1rem, 2vw, 1.15rem);
    color: var(--clr-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-8);
    max-width: 520px;
  }
  .s-hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-4);
    margin-bottom: var(--space-10);
  }
  .s-hero__badges {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
  }
  .c-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--clr-border);
    color: var(--clr-text-secondary);
    font-size: 0.83rem;
    font-weight: 500;
    padding: 8px 14px;
    border-radius: var(--radius-full);
    cursor: default;
    transition: all var(--transition-base);
  }
  .c-badge i { color: var(--clr-secondary); font-size: 0.85rem; }
  .c-badge:hover {
    background: rgba(6,182,212,0.08);
    border-color: rgba(6,182,212,0.3);
    color: var(--clr-text-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow-cyan);
  }
  .s-hero__visual { position: relative; }
  .s-hero__img-wrap {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: visible;
  }
  .s-hero__img {
    width: 100%;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl), 0 0 60px rgba(59,130,246,0.15);
    border: 1px solid var(--clr-border);
  }
  .s-hero__img-card {
    position: absolute;
    bottom: -20px;
    left: -20px;
    background: var(--clr-bg-card-hi);
    border: 1px solid var(--clr-border-bright);
    border-radius: var(--radius-lg);
    padding: var(--space-4) var(--space-5);
    display: flex;
    align-items: center;
    gap: var(--space-3);
    box-shadow: var(--shadow-lg), 0 0 20px rgba(59,130,246,0.15);
    backdrop-filter: blur(10px);
  }
  .s-hero__img-card i {
    font-size: 1.5rem;
    color: #4ade80;
    filter: drop-shadow(0 0 8px rgba(74,222,128,0.5));
  }
  .s-hero__img-card strong {
    display: block;
    font-size: 0.9rem;
    color: var(--clr-text-primary);
  }
  .s-hero__img-card small {
    font-size: 0.78rem;
    color: var(--clr-text-secondary);
  }
  .s-hero__scroll-hint {
    position: absolute;
    bottom: var(--space-8);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
    color: var(--clr-text-muted);
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    animation: scrollBounce 2s ease-in-out infinite;
    z-index: 1;
  }
  .s-hero__scroll-hint i { font-size: 0.8rem; }
  @keyframes scrollBounce {
    0%, 100% { transform: translateX(-50%) translateY(0); opacity: 0.6; }
    50% { transform: translateX(-50%) translateY(6px); opacity: 1; }
  }

  /* ── ABOUT ── */
  .s-about {
    background: var(--clr-bg-surface);
    padding-block: var(--space-24);
    border-top: 1px solid var(--clr-border);
  }
  .s-about__header { margin-bottom: var(--space-16); }
  .s-about__heading {
    font-family: var(--font-heading);
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 700;
    line-height: 1.2;
    color: var(--clr-text-primary);
  }
  .s-about__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-12);
    align-items: start;
  }
  .s-about__text p {
    color: var(--clr-text-secondary);
    margin-bottom: var(--space-5);
    font-size: 1.05rem;
    line-height: 1.75;
  }
  .s-about__text .c-btn { margin-top: var(--space-4); }
  .s-about__cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-5);
  }

  .c-card {
    background: var(--clr-bg-card);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    transition: all var(--transition-base);
  }
  .c-card--elevated {
    box-shadow: var(--shadow-md);
    position: relative;
  }
  .c-card--elevated:hover {
    transform: translateY(-4px);
    border-color: var(--clr-border-bright);
    box-shadow: var(--shadow-lg), 0 0 20px rgba(59,130,246,0.1);
  }
  .c-card__icon {
    width: 44px; height: 44px;
    background: rgba(59,130,246,0.1);
    border: 1px solid rgba(59,130,246,0.2);
    border-radius: var(--radius-md);
    display: flex; align-items: center; justify-content: center;
    color: var(--clr-primary);
    font-size: 1.1rem;
    margin-bottom: var(--space-4);
    transition: all var(--transition-base);
  }
  .c-card:hover .c-card__icon {
    background: rgba(59,130,246,0.18);
    box-shadow: 0 0 16px rgba(59,130,246,0.3);
  }
  .c-card h3 {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--clr-text-primary);
    margin-bottom: var(--space-2);
  }
  .c-card p { font-size: 0.875rem; color: var(--clr-text-secondary); line-height: 1.6; }

  /* ── COURSES ── */
  .s-kursy {
    background: var(--clr-bg-deep);
    padding-block: var(--space-24);
    border-top: 1px solid var(--clr-border);
  }
  .s-kursy__glow {
    position: absolute;
    width: 600px; height: 400px;
    background: radial-gradient(ellipse, rgba(139,92,246,0.1) 0%, transparent 70%);
    top: 0; right: -100px;
    pointer-events: none;
  }
  .s-kursy__header {
    text-align: center;
    margin-bottom: var(--space-16);
  }
  .s-kursy__header h2 {
    font-family: var(--font-heading);
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    color: var(--clr-text-primary);
    margin-bottom: var(--space-4);
  }
  .s-kursy__intro {
    color: var(--clr-text-secondary);
    font-size: 1.05rem;
    max-width: 560px;
    margin-inline: auto;
    line-height: 1.7;
  }
  .s-kursy__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-5);
  }

  .c-course-card {
    background: var(--clr-bg-card);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    position: relative;
    overflow: hidden;
    transition: all var(--transition-slow);
    cursor: default;
  }
  .c-course-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: var(--grad-primary);
    opacity: 0;
    transition: opacity var(--transition-base);
  }
  .c-course-card:hover {
    transform: translateY(-6px);
    border-color: var(--clr-border-bright);
    box-shadow: var(--shadow-xl), 0 0 30px rgba(59,130,246,0.12);
    background: var(--clr-bg-card-hi);
  }
  .c-course-card:hover::before { opacity: 1; }
  .c-course-card__num {
    position: absolute;
    top: var(--space-6);
    right: var(--space-6);
    font-size: 3rem;
    font-weight: 700;
    font-family: var(--font-heading);
    color: rgba(255,255,255,0.04);
    line-height: 1;
    transition: color var(--transition-base);
  }
  .c-course-card:hover .c-course-card__num { color: rgba(59,130,246,0.08); }
  .c-course-card__icon {
    width: 52px; height: 52px;
    background: var(--grad-primary);
    border-radius: var(--radius-md);
    display: flex; align-items: center; justify-content: center;
    color: #fff;
    font-size: 1.3rem;
    margin-bottom: var(--space-5);
    box-shadow: 0 4px 15px rgba(59,130,246,0.3);
    transition: box-shadow var(--transition-base);
  }
  .c-course-card:hover .c-course-card__icon { box-shadow: var(--shadow-glow-blue); }
  .c-course-card__title {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--clr-text-primary);
    margin-bottom: var(--space-3);
  }
  .c-course-card__desc {
    font-size: 0.9rem;
    color: var(--clr-text-secondary);
    line-height: 1.65;
    margin-bottom: var(--space-5);
  }
  .c-course-card__list {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
  }
  .c-course-card__list li {
    font-size: 0.82rem;
    color: var(--clr-text-muted);
    padding-left: var(--space-5);
    position: relative;
    transition: color var(--transition-fast);
  }
  .c-course-card__list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--clr-primary);
    opacity: 0.5;
  }
  .c-course-card:hover .c-course-card__list li { color: var(--clr-text-secondary); }

  /* ── PROGRAM / SCHEDULE ── */
  .s-programma {
    background: var(--clr-bg-surface);
    padding-block: var(--space-24);
    border-top: 1px solid var(--clr-border);
  }
  .s-programma__header { margin-bottom: var(--space-16); }
  .s-programma__header h2 {
    font-family: var(--font-heading);
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    color: var(--clr-text-primary);
  }
  .s-programma__layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-12);
    align-items: center;
  }
  .s-programma__img-wrap {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: visible;
  }
  .s-programma__img {
    width: 100%;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--clr-border);
  }
  .s-programma__img-badge {
    position: absolute;
    bottom: -16px;
    right: -16px;
    background: var(--grad-primary);
    border-radius: var(--radius-lg);
    padding: var(--space-4) var(--space-5);
    display: flex;
    align-items: center;
    gap: var(--space-3);
    box-shadow: var(--shadow-glow-blue);
    color: #fff;
    font-size: 0.85rem;
    font-weight: 600;
  }
  .s-programma__img-badge i { font-size: 1.2rem; }
  .s-programma__details { display: flex; flex-direction: column; gap: var(--space-5); }

  .c-detail-row {
    display: flex;
    align-items: flex-start;
    gap: var(--space-5);
    padding: var(--space-5) var(--space-6);
    background: var(--clr-bg-card);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
  }
  .c-detail-row:hover {
    border-color: var(--clr-border-bright);
    background: var(--clr-bg-card-hi);
    transform: translateX(4px);
  }
  .c-detail-row__icon {
    width: 40px; height: 40px;
    flex-shrink: 0;
    background: rgba(59,130,246,0.1);
    border-radius: var(--radius-md);
    display: flex; align-items: center; justify-content: center;
    color: var(--clr-primary);
    font-size: 1rem;
  }
  .c-detail-row__text { display: flex; flex-direction: column; gap: 4px; }
  .c-detail-row__text strong {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--clr-text-primary);
  }
  .c-detail-row__text span {
    font-size: 0.875rem;
    color: var(--clr-text-secondary);
    line-height: 1.55;
  }

  /* ── CTA ── */
  .s-cta {
    background: var(--clr-bg-deep);
    padding-block: var(--space-20);
    border-top: 1px solid var(--clr-border);
    border-bottom: 1px solid var(--clr-border);
  }
  .s-cta__glow {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 70% 70% at 50% 50%, rgba(59,130,246,0.07) 0%, transparent 70%);
    pointer-events: none;
  }
  .s-cta__inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--space-8);
    position: relative;
    z-index: 1;
  }
  .s-cta__text h2 {
    font-family: var(--font-heading);
    font-size: clamp(1.6rem, 4vw, 2.4rem);
    color: var(--clr-text-primary);
    margin-bottom: var(--space-4);
  }
  .s-cta__text p {
    color: var(--clr-text-secondary);
    font-size: 1.05rem;
    max-width: 520px;
    line-height: 1.7;
  }
  .s-cta__actions { display: flex; flex-wrap: wrap; gap: var(--space-4); justify-content: center; }

  /* ── PEDAGOGY ── */
  .s-pedagogy {
    background: var(--clr-bg-surface);
    padding-block: var(--space-24);
    border-top: 1px solid var(--clr-border);
  }
  .s-pedagogy__header { margin-bottom: var(--space-16); }
  .s-pedagogy__header h2 {
    font-family: var(--font-heading);
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    color: var(--clr-text-primary);
  }
  .s-pedagogy__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-12);
    align-items: center;
  }
  .s-pedagogy__img-block {
    position: relative;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
  }
  .s-pedagogy__img {
    width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--clr-border);
    transition: all var(--transition-slow);
  }
  .s-pedagogy__img--offset { margin-top: var(--space-8); }
  .s-pedagogy__img:hover { transform: scale(1.02); box-shadow: var(--shadow-xl); }
  .s-pedagogy__points { display: flex; flex-direction: column; gap: var(--space-6); }

  .c-point {
    display: flex;
    gap: var(--space-5);
    align-items: flex-start;
  }
  .c-point__num {
    flex-shrink: 0;
    width: 36px; height: 36px;
    background: var(--grad-secondary);
    border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    font-size: 0.78rem;
    font-weight: 700;
    color: #fff;
    box-shadow: 0 2px 10px rgba(6,182,212,0.25);
  }
  .c-point__body h3 {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 700;
    color: var(--clr-text-primary);
    margin-bottom: var(--space-2);
  }
  .c-point__body p {
    font-size: 0.9rem;
    color: var(--clr-text-secondary);
    line-height: 1.65;
  }

  /* ── FAQ ── */
  .s-faq {
    background: var(--clr-bg-deep);
    padding-block: var(--space-24);
    border-top: 1px solid var(--clr-border);
  }
  .s-faq__glow {
    position: absolute;
    width: 500px; height: 300px;
    background: radial-gradient(ellipse, rgba(139,92,246,0.08) 0%, transparent 70%);
    bottom: 0; left: 0;
    pointer-events: none;
  }
  .s-faq__header { margin-bottom: var(--space-12); }
  .s-faq__header h2 {
    font-family: var(--font-heading);
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    color: var(--clr-text-primary);
  }
  .s-faq__list { display: flex; flex-direction: column; gap: var(--space-3); max-width: 820px; }

  .c-faq-item {
    background: var(--clr-bg-card);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: border-color var(--transition-base), box-shadow var(--transition-base);
  }
  .c-faq-item.is-open {
    border-color: rgba(59,130,246,0.3);
    box-shadow: 0 0 20px rgba(59,130,246,0.08);
  }
  .c-faq-item__question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    padding: var(--space-6) var(--space-6);
    text-align: left;
    color: var(--clr-text-primary);
    font-size: 1rem;
    font-weight: 600;
    font-family: var(--font-body);
    min-height: 60px;
    transition: color var(--transition-fast), background var(--transition-fast);
  }
  .c-faq-item__question:hover { color: var(--clr-primary); background: rgba(59,130,246,0.03); }
  .c-faq-item__icon {
    flex-shrink: 0;
    font-size: 0.85rem;
    color: var(--clr-text-muted);
    transition: transform var(--transition-base), color var(--transition-base);
  }
  .c-faq-item.is-open .c-faq-item__icon {
    transform: rotate(180deg);
    color: var(--clr-primary);
  }
  .c-faq-item__answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  }
  .c-faq-item.is-open .c-faq-item__answer { max-height: 400px; }
  .c-faq-item__answer-inner {
    padding: 0 var(--space-6) var(--space-6);
  }
  .c-faq-item__answer-inner p {
    font-size: 0.93rem;
    color: var(--clr-text-secondary);
    line-height: 1.7;
  }

  /* ── CONTACT ── */
  .s-kontakty {
    background: var(--clr-bg-surface);
    padding-block: var(--space-24);
    border-top: 1px solid var(--clr-border);
  }
  .s-kontakty__header {
    margin-bottom: var(--space-16);
    max-width: 520px;
  }
  .s-kontakty__header h2 {
    font-family: var(--font-heading);
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    color: var(--clr-text-primary);
    margin-bottom: var(--space-3);
  }
  .s-kontakty__header p { color: var(--clr-text-secondary); font-size: 1.05rem; }
  .s-kontakty__layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }

  .c-form-card {
    background: var(--clr-bg-card);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    box-shadow: var(--shadow-lg);
  }
  .c-form__progress {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-8);
  }
  .c-form__progress-step {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    opacity: 0.4;
    transition: opacity var(--transition-base);
  }
  .c-form__progress-step.is-active { opacity: 1; }
  .c-form__progress-dot {
    width: 10px; height: 10px;
    border-radius: 50%;
    background: var(--clr-text-muted);
    transition: background var(--transition-base), box-shadow var(--transition-base);
  }
  .c-form__progress-step.is-active .c-form__progress-dot {
    background: var(--clr-primary);
    box-shadow: 0 0 10px rgba(59,130,246,0.5);
  }
  .c-form__progress-label { font-size: 0.8rem; font-weight: 600; color: var(--clr-text-secondary); }
  .c-form__progress-step.is-active .c-form__progress-label { color: var(--clr-text-primary); }
  .c-form__progress-line { flex: 1; height: 1px; background: var(--clr-border); }
  .c-form__step {
    display: none;
    flex-direction: column;
    gap: var(--space-5);
  }
  .c-form__step.is-active { display: flex; }
  .c-form__field { display: flex; flex-direction: column; gap: var(--space-2); }
  .c-form__label { font-size: 0.85rem; font-weight: 600; color: var(--clr-text-secondary); }
  .c-form__input, .c-form__textarea {
    background: var(--clr-bg-deep);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-md);
    padding: 12px 16px;
    color: var(--clr-text-primary);
    font-size: 0.95rem;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    min-height: 44px;
    outline: none;
  }
  .c-form__input:focus, .c-form__textarea:focus {
    border-color: var(--clr-primary);
    box-shadow: 0 0 0 3px rgba(59,130,246,0.15);
  }
  .c-form__input::placeholder, .c-form__textarea::placeholder { color: var(--clr-text-muted); }
  .c-form__textarea { resize: vertical; min-height: 120px; }
  .c-form__field--checkbox {
    flex-direction: row;
    align-items: flex-start;
    gap: var(--space-3);
  }
  .c-form__checkbox {
    width: 18px; height: 18px;
    flex-shrink: 0;
    margin-top: 2px;
    accent-color: var(--clr-primary);
    cursor: pointer;
  }
  .c-form__checkbox-label {
    font-size: 0.83rem;
    color: var(--clr-text-secondary);
    line-height: 1.55;
    cursor: pointer;
  }
  .c-form__checkbox-label a { color: var(--clr-primary); text-decoration: underline; text-underline-offset: 3px; }
  .c-form__actions { display: flex; gap: var(--space-3); justify-content: space-between; }

  .c-contact-info { display: flex; flex-direction: column; gap: var(--space-4); margin-bottom: var(--space-6); }
  .c-contact-info__item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-4);
    padding: var(--space-4) var(--space-5);
    background: var(--clr-bg-card);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
  }
  .c-contact-info__item:hover {
    border-color: var(--clr-border-bright);
    background: var(--clr-bg-card-hi);
  }
  .c-contact-info__icon {
    width: 36px; height: 36px;
    flex-shrink: 0;
    background: rgba(59,130,246,0.1);
    border-radius: var(--radius-md);
    display: flex; align-items: center; justify-content: center;
    color: var(--clr-primary);
    font-size: 0.9rem;
  }
  .c-contact-info__item div { display: flex; flex-direction: column; gap: 2px; }
  .c-contact-info__item strong { font-size: 0.82rem; font-weight: 600; color: var(--clr-text-secondary); }
  .c-contact-info__item span, .c-contact-info__item a {
    font-size: 0.9rem;
    color: var(--clr-text-primary);
    transition: color var(--transition-fast);
  }
  .c-contact-info__item a:hover { color: var(--clr-primary); }

  .c-map-wrap { border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--clr-border); }
  .c-map-wrap__iframe { display: block; }

  /* ── FOOTER ── */
  .c-footer {
    background: var(--clr-bg-deep);
    border-top: 1px solid var(--clr-border);
    position: relative;
    overflow: hidden;
  }
  .c-footer__glow {
    position: absolute;
    width: 400px; height: 200px;
    background: radial-gradient(ellipse, rgba(59,130,246,0.06) 0%, transparent 70%);
    top: 0; left: 50%; transform: translateX(-50%);
    pointer-events: none;
  }
  .c-footer__top {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-10);
    padding-block: var(--space-16);
    position: relative;
    z-index: 1;
  }
  .c-footer__brand { max-width: 340px; }
  .c-footer__logo { margin-bottom: var(--space-4); }
  .c-footer__brand p { font-size: 0.9rem; color: var(--clr-text-secondary); line-height: 1.65; }
  .c-footer__nav h4, .c-footer__contact h4 {
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--clr-text-secondary);
    margin-bottom: var(--space-5);
  }
  .c-footer__nav ul { display: flex; flex-direction: column; gap: var(--space-3); }
  .c-footer__nav a {
    font-size: 0.9rem;
    color: var(--clr-text-muted);
    transition: color var(--transition-fast);
    min-height: 28px; display: flex; align-items: center;
  }
  .c-footer__nav a:hover { color: var(--clr-text-primary); }
  .c-footer__contact address { display: flex; flex-direction: column; gap: var(--space-3); }
  .c-footer__contact p, .c-footer__contact a {
    font-size: 0.9rem;
    color: var(--clr-text-muted);
    display: flex; align-items: center; gap: var(--space-2);
    transition: color var(--transition-fast);
  }
  .c-footer__contact a:hover { color: var(--clr-primary); }
  .c-footer__contact i { color: var(--clr-primary); font-size: 0.8rem; }
  .c-footer__bottom {
    border-top: 1px solid var(--clr-border);
    padding-block: var(--space-6);
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    align-items: center;
    text-align: center;
    position: relative; z-index: 1;
  }
  .c-footer__bottom p { font-size: 0.82rem; color: var(--clr-text-muted); }
  .c-footer__legal { display: flex; flex-wrap: wrap; gap: var(--space-5); justify-content: center; }
  .c-footer__legal a {
    font-size: 0.82rem;
    color: var(--clr-text-muted);
    transition: color var(--transition-fast);
    min-height: 32px; display: flex; align-items: center;
  }
  .c-footer__legal a:hover { color: var(--clr-primary); }

  /* ── COOKIE CONSENT ── */
  .c-cookie-bar {
    position: fixed;
    bottom: 0; left: 0; right: 0;
    z-index: 9999;
    background: var(--clr-bg-card);
    border-top: 1px solid var(--clr-border-bright);
    box-shadow: 0 -4px 24px rgba(0,0,0,0.5), 0 -1px 0 rgba(59,130,246,0.15);
    transform: translateY(100%);
    transition: transform 0.4s cubic-bezier(0.4,0,0.2,1);
  }
  .c-cookie-bar.is-visible { transform: translateY(0); }
  .c-cookie-bar__main {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    padding: var(--space-5) var(--space-6);
    max-width: 1200px;
    margin-inline: auto;
  }
  .c-cookie-bar__text { font-size: 0.87rem; color: var(--clr-text-secondary); line-height: 1.55; }
  .c-cookie-bar__text a { color: var(--clr-primary); text-decoration: underline; text-underline-offset: 3px; }
  .c-cookie-bar__actions { display: flex; flex-wrap: wrap; gap: var(--space-2); }
  .c-cookie-bar__btn {
    padding: 9px 18px;
    border-radius: var(--radius-md);
    font-size: 0.83rem;
    font-weight: 600;
    transition: all var(--transition-fast);
    min-height: 40px;
    cursor: pointer;
  }
  .c-cookie-bar__btn--accept {
    background: var(--grad-primary);
    color: #fff;
    border: none;
  }
  .c-cookie-bar__btn--accept:hover { opacity: 0.9; }
  .c-cookie-bar__btn--reject {
    background: transparent;
    color: var(--clr-text-secondary);
    border: 1px solid var(--clr-border);
  }
  .c-cookie-bar__btn--reject:hover { border-color: var(--clr-border-bright); color: var(--clr-text-primary); }
  .c-cookie-bar__btn--customize {
    background: transparent;
    color: var(--clr-secondary);
    border: 1px solid rgba(6,182,212,0.25);
  }
  .c-cookie-bar__btn--customize:hover { border-color: var(--clr-secondary); }
  .c-cookie-bar__categories {
    display: none;
    flex-direction: column;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-6) var(--space-5);
    border-top: 1px solid var(--clr-border);
    max-width: 1200px;
    margin-inline: auto;
    width: 100%;
  }
  .c-cookie-bar__categories.is-visible { display: flex; }
  .c-cookie-bar__category {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
  }
  .c-cookie-bar__cat-label { font-size: 0.85rem; font-weight: 600; color: var(--clr-text-primary); }
  .c-cookie-bar__cat-desc { font-size: 0.78rem; color: var(--clr-text-muted); margin-top: 2px; }
  .c-cookie-toggle {
    position: relative;
    width: 44px; height: 24px;
    flex-shrink: 0;
  }
  .c-cookie-toggle input { opacity: 0; width: 0; height: 0; position: absolute; }
  .c-cookie-toggle__slider {
    position: absolute;
    inset: 0;
    background: var(--clr-text-muted);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: background var(--transition-base);
  }
  .c-cookie-toggle__slider::before {
    content: '';
    position: absolute;
    width: 18px; height: 18px;
    left: 3px; top: 3px;
    background: #fff;
    border-radius: 50%;
    transition: transform var(--transition-base);
  }
  .c-cookie-toggle input:checked + .c-cookie-toggle__slider { background: var(--clr-primary); }
  .c-cookie-toggle input:checked + .c-cookie-toggle__slider::before { transform: translateX(20px); }
  .c-cookie-toggle input:disabled + .c-cookie-toggle__slider { opacity: 0.7; cursor: not-allowed; }

  /* ── TIPPY CUSTOM ── */
  .tippy-box[data-theme~='custom'] {
    background: var(--clr-bg-card-hi);
    border: 1px solid var(--clr-border-bright);
    color: var(--clr-text-secondary);
    font-size: 0.82rem;
    line-height: 1.55;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg), 0 0 16px rgba(59,130,246,0.1);
  }
  .tippy-box[data-theme~='custom'] .tippy-arrow::before { color: var(--clr-bg-card-hi); }

}

@layer utilities {
  .u-hidden { display: none !important; }
  .u-text-center { text-align: center; }
  .u-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 (min-width: 640px) {
  .s-hero__inner { grid-template-columns: 1fr 1fr; }
  .s-kursy__grid { grid-template-columns: 1fr 1fr; }
  .c-course-card--wide { grid-column: span 2; }
  .s-programma__layout { grid-template-columns: 1fr 1fr; }
  .s-pedagogy__grid { grid-template-columns: 1fr 1fr; }
  .s-kontakty__layout { grid-template-columns: 1fr 1fr; }
  .s-cta__inner { flex-direction: row; justify-content: space-between; text-align: left; }
  .s-cta__text p { margin-inline: 0; }
  .c-cookie-bar__main { flex-direction: row; align-items: center; justify-content: space-between; }
}

@media (min-width: 768px) {
  .c-nav__burger { display: none; }
  .c-nav__links { display: flex; }
  .c-footer__top { grid-template-columns: 2fr 1fr 1fr; }
  .c-footer__bottom { flex-direction: row; justify-content: space-between; text-align: left; }
  .s-about__grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 767px) {
  .c-nav__links { display: none; }
  .c-btn--nav { display: none; }
  .c-nav__burger { display: flex; }
  .s-about__cards { grid-template-columns: 1fr; }
  .s-pedagogy__img-block { grid-template-columns: 1fr; }
  .s-pedagogy__img--offset { margin-top: 0; }
  .s-hero__img-card { left: var(--space-4); bottom: var(--space-4); }
  .s-programma__img-badge { right: var(--space-4); bottom: var(--space-4); font-size: 0.78rem; }
  .c-mobile-menu__right { display: none; }
  .c-mobile-menu__left { width: 100%; }
}

@media (min-width: 1024px) {
  .s-kursy__grid { grid-template-columns: 1fr 1fr 1fr; }
  .c-course-card--wide { grid-column: span 3; display: grid; grid-template-columns: auto 1fr; grid-template-rows: auto auto auto; gap: 0 var(--space-8); align-items: start; }
  .c-course-card--wide .c-course-card__num { grid-column: 2; grid-row: 1; }
  .c-course-card--wide .c-course-card__icon { grid-column: 1; grid-row: 1 / span 3; align-self: start; margin-bottom: 0; }
  .c-course-card--wide .c-course-card__title { grid-column: 2; grid-row: 1; padding-right: var(--space-16); }
  .c-course-card--wide .c-course-card__desc { grid-column: 2; grid-row: 2; }
  .c-course-card--wide .c-course-card__list { grid-column: 2; grid-row: 3; display: grid; grid-template-columns: 1fr 1fr; }
}

@media (min-width: 1200px) {
  .s-pedagogy__img-block { grid-template-columns: 1fr 1fr; }
  .s-pedagogy__img--offset { margin-top: var(--space-12); }
}