:root {
  --clr-bg: #f7f6f3;
  --clr-bg-alt: #f0ede8;
  --clr-bg-dark: #1a1814;
  --clr-ink: #1a1814;
  --clr-ink-mid: #4a4540;
  --clr-ink-soft: #8a837a;
  --clr-accent: #b5924c;
  --clr-accent-light: #d4b07a;
  --clr-accent-pale: #f0e8d8;
  --clr-line: #d8d2c8;
  --clr-line-strong: #b0a898;
  --clr-white: #fdfcfa;

  --ff-head: 'DM Sans', sans-serif;
  --ff-body: 'DM Sans', sans-serif;

  --fw-reg: 400;
  --fw-med: 500;
  --fw-semi: 600;
  --fw-bold: 700;

  --sp-xs: 0.5rem;
  --sp-sm: 1rem;
  --sp-md: 1.5rem;
  --sp-lg: 2.5rem;
  --sp-xl: 4rem;
  --sp-2xl: 6rem;
  --sp-3xl: 9rem;

  --rad-sm: 2px;
  --rad-md: 4px;
  --rad-lg: 8px;

  --shadow-sm: 0 1px 3px rgba(26,24,20,0.06), 0 1px 2px rgba(26,24,20,0.04);
  --shadow-md: 0 4px 12px rgba(26,24,20,0.08), 0 2px 6px rgba(26,24,20,0.05);
  --shadow-lg: 0 12px 32px rgba(26,24,20,0.12), 0 4px 12px rgba(26,24,20,0.07);

  --nav-h: 72px;
  --trans: 0.25s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--ff-body);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--clr-ink);
  background: var(--clr-bg);
  overflow-x: hidden;
  min-height: 100vh;
  display: flex;
  flex-direction: column;

  & main { flex: 1; }
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; transition: color var(--trans); }
ul { list-style: none; }
address { font-style: normal; }

.container {
  width: min(1200px, 100% - 3rem);
  margin-inline: auto;
}

.sec { padding-block: var(--sp-2xl); }
.sec-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: var(--fw-semi);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--clr-accent);
  border-bottom: 1px solid var(--clr-accent);
  padding-bottom: 2px;
  margin-bottom: var(--sp-md);
}
.sec-title {
  font-family: var(--ff-head);
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: var(--fw-bold);
  line-height: 1.2;
  color: var(--clr-ink);
  margin-bottom: var(--sp-md);
}
.sec-desc {
  font-size: 1.05rem;
  color: var(--clr-ink-mid);
  max-width: 56ch;
}
.sec-head {
  text-align: center;
  margin-bottom: var(--sp-xl);

  & .sec-title { margin-inline: auto; }
  & .sec-desc { margin-inline: auto; }
}

.btn-prim {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  background: var(--clr-ink);
  color: var(--clr-white);
  font-size: 0.9rem;
  font-weight: var(--fw-semi);
  letter-spacing: 0.04em;
  border: 1px solid var(--clr-ink);
  border-radius: var(--rad-sm);
  transition: background var(--trans), color var(--trans), box-shadow var(--trans), transform var(--trans);

  &:hover {
    background: var(--clr-accent);
    border-color: var(--clr-accent);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
  }
}

.btn-sec {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  background: transparent;
  color: var(--clr-ink);
  font-size: 0.9rem;
  font-weight: var(--fw-semi);
  letter-spacing: 0.04em;
  border: 1px solid var(--clr-line-strong);
  border-radius: var(--rad-sm);
  transition: border-color var(--trans), color var(--trans), background var(--trans);

  &:hover {
    border-color: var(--clr-ink);
    background: var(--clr-bg-alt);
  }
}

.lnk-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  font-weight: var(--fw-semi);
  color: var(--clr-accent);
  border-bottom: 1px solid transparent;
  transition: border-color var(--trans), gap var(--trans);

  &:hover {
    border-color: var(--clr-accent);
    gap: 0.75rem;
  }
}

.highlight-text {
  position: relative;
  display: inline;
  background: linear-gradient(180deg, transparent 60%, var(--clr-accent-pale) 60%);
  transition: background var(--trans);

  &.is-visible {
    background: linear-gradient(180deg, transparent 55%, var(--clr-accent-pale) 55%);
  }
}

.hdr {
  position: sticky;
  top: 0;
  z-index: 900;
  background: var(--clr-white);
  border-bottom: 1px solid var(--clr-line);
  height: var(--nav-h);
  display: flex;
  align-items: center;
  transition: box-shadow var(--trans);

  & .hdr-wrap {
    width: min(1200px, 100% - 3rem);
    margin-inline: auto;
    display: flex;
    align-items: center;
    gap: var(--sp-lg);
  }

  & .hdr-logo { flex-shrink: 0; }

  & .hdr-nav {
    display: flex;
    align-items: center;
    gap: var(--sp-lg);
    margin-left: auto;
  }

  & .hdr-link {
    font-size: 0.875rem;
    font-weight: var(--fw-med);
    color: var(--clr-ink-mid);
    position: relative;
    padding-bottom: 2px;

    &::after {
      content: '';
      position: absolute;
      bottom: -2px;
      left: 0;
      width: 0;
      height: 1px;
      background: var(--clr-accent);
      transition: width var(--trans);
    }

    &:hover, &.active {
      color: var(--clr-ink);
      &::after { width: 100%; }
    }
  }

  & .hdr-cta {
    display: inline-flex;
    align-items: center;
    padding: 0.55rem 1.25rem;
    background: var(--clr-accent);
    color: var(--clr-white);
    font-size: 0.85rem;
    font-weight: var(--fw-semi);
    border-radius: var(--rad-sm);
    border: 1px solid var(--clr-accent);
    transition: background var(--trans), box-shadow var(--trans);
    margin-left: var(--sp-sm);
    white-space: nowrap;

    &:hover {
      background: var(--clr-ink);
      border-color: var(--clr-ink);
      box-shadow: var(--shadow-sm);
    }
  }

  & .hdr-burger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    margin-left: auto;

    & span {
      display: block;
      width: 24px;
      height: 1.5px;
      background: var(--clr-ink);
      transition: transform var(--trans), opacity var(--trans);
    }
  }
}

.mob-menu {
  position: fixed;
  inset: 0;
  z-index: 950;
  background: var(--clr-ink);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease;

  &.is-open {
    opacity: 1;
    pointer-events: all;
  }

  & .mob-close {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    background: none;
    border: 1px solid rgba(255,255,255,0.2);
    color: var(--clr-white);
    font-size: 1.5rem;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: border-color var(--trans), background var(--trans);

    &:hover { background: rgba(255,255,255,0.1); border-color: rgba(255,255,255,0.5); }
  }

  & .mob-nav {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--sp-lg);
    text-align: center;
  }

  & .mob-link {
    font-size: clamp(1.5rem, 5vw, 2.25rem);
    font-weight: var(--fw-bold);
    color: rgba(255,255,255,0.7);
    letter-spacing: -0.01em;
    transition: color var(--trans);

    &:hover { color: var(--clr-white); }
  }

  & .mob-cta {
    margin-top: var(--sp-sm);
    padding: 0.85rem 2.5rem;
    background: var(--clr-accent);
    color: var(--clr-white);
    font-size: 1rem;
    font-weight: var(--fw-semi);
    border-radius: var(--rad-sm);
    transition: background var(--trans);

    &:hover { background: var(--clr-accent-light); }
  }
}

.hero {
  min-height: calc(100vh - var(--nav-h));
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: var(--clr-white);
  padding-block: var(--sp-2xl);

  & .hero-lines {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
  }

  & .hero-line {
    position: absolute;
    background: var(--clr-line);

    &.hero-line--1 {
      width: 1px;
      height: 100%;
      left: 33.33%;
      opacity: 0.5;
    }
    &.hero-line--2 {
      width: 1px;
      height: 100%;
      left: 66.66%;
      opacity: 0.3;
    }
    &.hero-line--3 {
      width: 100%;
      height: 1px;
      top: 60%;
      opacity: 0.4;
    }
  }

  & .hero-wrap {
    padding: var(--sp-xl) var(--sp-2xl) var(--sp-xl) max(1.5rem, calc((100vw - 1200px) / 2 + 1.5rem));
    position: relative;
    z-index: 2;
  }

  & .hero-tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: var(--fw-semi);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--clr-accent);
    border: 1px solid var(--clr-accent);
    padding: 0.35rem 0.85rem;
    border-radius: var(--rad-sm);
    margin-bottom: var(--sp-lg);
  }

  & .hero-h1 {
    font-family: var(--ff-head);
    font-size: clamp(2.5rem, 6vw, 5rem);
    font-weight: var(--fw-bold);
    line-height: 1.05;
    letter-spacing: -0.02em;
    color: var(--clr-ink);
    margin-bottom: var(--sp-lg);

    & em {
      font-style: normal;
      color: var(--clr-accent);
      position: relative;

      &::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 0;
        width: 100%;
        height: 1px;
        background: var(--clr-accent);
      }
    }
  }

  & .hero-sub {
    font-size: clamp(1rem, 1.5vw, 1.15rem);
    color: var(--clr-ink-mid);
    max-width: 44ch;
    line-height: 1.7;
    margin-bottom: var(--sp-xl);
  }

  & .hero-actions {
    display: flex;
    gap: var(--sp-sm);
    flex-wrap: wrap;
    margin-bottom: var(--sp-xl);
  }

  & .hero-badges {
    display: flex;
    flex-wrap: wrap;
    gap: var(--sp-sm);
  }

  & .hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.8rem;
    color: var(--clr-ink-soft);
    border: 1px solid var(--clr-line);
    padding: 0.35rem 0.75rem;
    border-radius: var(--rad-sm);
  }

  & .hero-img-wrap {
    position: relative;
    height: 100%;
    min-height: 500px;
    overflow: hidden;
  }

  & .hero-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
  }

  & .hero-img-frame {
    position: absolute;
    top: var(--sp-lg);
    left: var(--sp-lg);
    right: calc(-1 * var(--sp-sm));
    bottom: calc(-1 * var(--sp-sm));
    border: 1px solid var(--clr-accent);
    pointer-events: none;
    z-index: 1;
  }
}

.intro {
  background: var(--clr-bg);

  & .intro-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--sp-2xl);
    align-items: start;
  }

  & .intro-left {
    position: sticky;
    top: calc(var(--nav-h) + var(--sp-lg));
  }

  & .intro-p {
    font-size: 1.05rem;
    color: var(--clr-ink-mid);
    margin-bottom: var(--sp-md);
    line-height: 1.8;
  }
}

.modules {
  background: var(--clr-bg-alt);
  border-top: 1px solid var(--clr-line);
  border-bottom: 1px solid var(--clr-line);

  & .mod-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 0;
    border: 1px solid var(--clr-line);
  }

  & .mod-crd {
    padding: var(--sp-xl) var(--sp-lg);
    border-right: 1px solid var(--clr-line);
    position: relative;
    transition: background var(--trans);

    &:last-child { border-right: none; }
    &:hover { background: var(--clr-white); }

    & .mod-num {
      font-size: 0.7rem;
      font-weight: var(--fw-bold);
      letter-spacing: 0.1em;
      color: var(--clr-accent);
      margin-bottom: var(--sp-sm);
    }

    & .mod-ico {
      font-size: 1.5rem;
      color: var(--clr-ink-soft);
      margin-bottom: var(--sp-md);
    }

    & h3 {
      font-size: 1rem;
      font-weight: var(--fw-semi);
      margin-bottom: var(--sp-sm);
      color: var(--clr-ink);
    }

    & p {
      font-size: 0.875rem;
      color: var(--clr-ink-mid);
      line-height: 1.6;
    }
  }
}

.vals {
  background: var(--clr-white);

  & .vals-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--sp-lg);
  }
}

.crd {
  padding: var(--sp-xl) var(--sp-lg);
  border: 1px solid var(--clr-line);
  border-radius: var(--rad-md);
  transition: box-shadow var(--trans), transform var(--trans), border-color var(--trans);

  &:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
    border-color: var(--clr-accent);
  }

  & .crd-ico {
    font-size: 1.5rem;
    color: var(--clr-accent);
    margin-bottom: var(--sp-md);
    display: flex;
    align-items: center;
    width: 48px;
    height: 48px;
    border: 1px solid var(--clr-accent-pale);
    border-radius: var(--rad-md);
    justify-content: center;
  }

  & .crd-tit {
    font-size: 1.05rem;
    font-weight: var(--fw-semi);
    margin-bottom: var(--sp-sm);
    color: var(--clr-ink);
  }

  & .crd-txt {
    font-size: 0.9rem;
    color: var(--clr-ink-mid);
    line-height: 1.7;
  }
}

.gallery-sec {
  background: var(--clr-bg-alt);
  border-top: 1px solid var(--clr-line);

  & .gallery-swiper { overflow: hidden; }

  & .gal-slide {
    border: 1px solid var(--clr-line);
    overflow: hidden;
    border-radius: var(--rad-md);

    & img {
      width: 100%;
      height: 260px;
      object-fit: cover;
      transition: transform 0.4s ease;
    }

    &:hover img { transform: scale(1.03); }
  }

  & .gal-cap {
    padding: var(--sp-sm) var(--sp-md);
    font-size: 0.85rem;
    color: var(--clr-ink-soft);
    border-top: 1px solid var(--clr-line);
    background: var(--clr-white);
  }

  & .swiper-pagination-bullet {
    background: var(--clr-line-strong);
    opacity: 1;
  }
  & .swiper-pagination-bullet-active { background: var(--clr-accent); }

  & .swiper-button-prev,
  & .swiper-button-next {
    color: var(--clr-accent);
    &::after { font-size: 1.1rem; }
  }
}

.for-who {
  background: var(--clr-bg);

  & .fw-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-2xl);
    align-items: center;
  }

  & .fw-img-wrap {
    position: relative;

    & img {
      width: 100%;
      height: 500px;
      object-fit: cover;
      border-radius: var(--rad-md);
    }
  }

  & .fw-img-frame {
    position: absolute;
    bottom: calc(-1 * var(--sp-md));
    right: calc(-1 * var(--sp-md));
    width: 60%;
    height: 60%;
    border: 1px solid var(--clr-accent);
    border-radius: var(--rad-md);
    pointer-events: none;
  }

  & .fw-content {
    & p {
      color: var(--clr-ink-mid);
      margin-bottom: var(--sp-md);
      line-height: 1.8;
    }
  }

  & .fw-list {
    margin-block: var(--sp-lg);
    display: flex;
    flex-direction: column;
    gap: 0.75rem;

    & li {
      display: flex;
      align-items: center;
      gap: 0.75rem;
      font-size: 0.95rem;
      color: var(--clr-ink-mid);

      & i { color: var(--clr-accent); flex-shrink: 0; }
    }
  }
}

.cta-sec {
  background: var(--clr-bg-dark);

  & .cta-box {
    max-width: 680px;
    margin-inline: auto;
    text-align: center;
    position: relative;
    padding: var(--sp-2xl);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--rad-md);

    & .sec-label { color: var(--clr-accent-light); border-color: var(--clr-accent-light); }

    & h2 {
      font-family: var(--ff-head);
      font-size: clamp(1.5rem, 3vw, 2.25rem);
      font-weight: var(--fw-bold);
      color: var(--clr-white);
      margin-bottom: var(--sp-md);
      line-height: 1.25;
    }

    & p {
      color: rgba(253,252,250,0.65);
      margin-bottom: var(--sp-xl);
      font-size: 1.05rem;
    }
  }

  & .cta-lines {
    position: absolute;
    inset: 0;
    border-radius: var(--rad-md);
    overflow: hidden;
    pointer-events: none;

    &::before {
      content: '';
      position: absolute;
      top: 0; left: 50%;
      width: 1px; height: 100%;
      background: rgba(255,255,255,0.05);
    }
    &::after {
      content: '';
      position: absolute;
      top: 50%; left: 0;
      width: 100%; height: 1px;
      background: rgba(255,255,255,0.05);
    }
  }
}

.pg-hero {
  padding-block: var(--sp-2xl) var(--sp-xl);
  background: var(--clr-white);
  border-bottom: 1px solid var(--clr-line);

  & .pg-h1 {
    font-family: var(--ff-head);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: var(--fw-bold);
    letter-spacing: -0.02em;
    line-height: 1.1;
    margin-bottom: var(--sp-sm);
  }

  & .pg-sub {
    font-size: 1.1rem;
    color: var(--clr-ink-mid);
    max-width: 52ch;
  }
}

.approach-intro {
  background: var(--clr-bg);

  & .ai-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--sp-2xl);
    align-items: center;
  }

  & .ai-img {
    position: relative;

    & img {
      width: 100%;
      height: 480px;
      object-fit: cover;
      border-radius: var(--rad-md);
    }
  }

  & .ai-frame {
    position: absolute;
    top: calc(-1 * var(--sp-md));
    left: calc(-1 * var(--sp-md));
    width: 55%;
    height: 55%;
    border: 1px solid var(--clr-accent);
    border-radius: var(--rad-md);
    pointer-events: none;
  }

  & .ai-content {
    & p {
      color: var(--clr-ink-mid);
      margin-bottom: var(--sp-md);
      line-height: 1.8;
    }
  }
}

.method-steps {
  background: var(--clr-white);

  & .steps-list {
    display: flex;
    flex-direction: column;
    gap: 0;
    border: 1px solid var(--clr-line);
    border-radius: var(--rad-md);
    overflow: hidden;
  }

  & .step-item {
    display: grid;
    grid-template-columns: 80px 1fr;
    gap: 0;
    border-bottom: 1px solid var(--clr-line);
    transition: background var(--trans);

    &:last-child { border-bottom: none; }
    &:hover { background: var(--clr-bg-alt); }

    & .step-num {
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.75rem;
      font-weight: var(--fw-bold);
      color: var(--clr-line-strong);
      border-right: 1px solid var(--clr-line);
      padding: var(--sp-lg);
    }

    & .step-body {
      padding: var(--sp-lg) var(--sp-xl);

      & h3 {
        font-size: 1.05rem;
        font-weight: var(--fw-semi);
        margin-bottom: 0.5rem;
        color: var(--clr-ink);
      }

      & p {
        font-size: 0.9rem;
        color: var(--clr-ink-mid);
        line-height: 1.7;
      }
    }
  }
}

.context-sec {
  background: var(--clr-bg-alt);
  border-top: 1px solid var(--clr-line);
  border-bottom: 1px solid var(--clr-line);

  & .ctx-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: var(--sp-2xl);
    align-items: center;
  }

  & .ctx-content {
    & p {
      color: var(--clr-ink-mid);
      margin-bottom: var(--sp-md);
      line-height: 1.8;
    }
  }

  & .ctx-img {
    position: relative;

    & img {
      width: 100%;
      height: 420px;
      object-fit: cover;
      border-radius: var(--rad-md);
    }
  }

  & .ctx-frame {
    position: absolute;
    bottom: calc(-1 * var(--sp-md));
    right: calc(-1 * var(--sp-md));
    width: 50%;
    height: 50%;
    border: 1px solid var(--clr-line-strong);
    border-radius: var(--rad-md);
    pointer-events: none;
  }
}

.group-sec {
  background: var(--clr-white);

  & .grp-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--sp-lg);
  }
}

.learn-intro {
  background: var(--clr-bg);

  & .li-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--sp-2xl);
    align-items: start;
  }

  & .intro-p {
    font-size: 1.1rem;
    color: var(--clr-ink-mid);
    margin-bottom: var(--sp-md);
    line-height: 1.8;
  }

  & .li-overview {
    border: 1px solid var(--clr-line);
    padding: var(--sp-lg);
    border-radius: var(--rad-md);
    background: var(--clr-white);

    & p {
      font-size: 0.9rem;
      color: var(--clr-ink-mid);
      margin-bottom: var(--sp-md);
    }
  }

  & .day-badge {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: var(--fw-bold);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--clr-accent);
    border: 1px solid var(--clr-accent);
    padding: 0.25rem 0.65rem;
    border-radius: var(--rad-sm);
    margin-bottom: 0.5rem;
  }
}

.module-detail {
  background: var(--clr-white);
  border-top: 1px solid var(--clr-line);

  &.md-alt { background: var(--clr-bg-alt); }

  & .md-grid {
    display: grid;
    grid-template-columns: 160px 1fr;
    gap: var(--sp-2xl);
    align-items: start;
  }

  & .md-meta {
    position: sticky;
    top: calc(var(--nav-h) + var(--sp-lg));
    text-align: right;
    border-right: 1px solid var(--clr-line);
    padding-right: var(--sp-lg);
  }

  & .md-num {
    font-size: 3.5rem;
    font-weight: var(--fw-bold);
    color: var(--clr-line);
    line-height: 1;
    margin-bottom: 0.5rem;
  }

  & .md-tag {
    font-size: 0.75rem;
    font-weight: var(--fw-semi);
    color: var(--clr-accent);
    letter-spacing: 0.06em;
    text-transform: uppercase;
  }

  & .md-content {
    & .sec-title { margin-bottom: var(--sp-md); }
    & > p {
      color: var(--clr-ink-mid);
      margin-bottom: var(--sp-lg);
      line-height: 1.8;
    }
  }

  & .md-topics {
    display: flex;
    flex-direction: column;
    gap: var(--sp-lg);
  }

  & .md-topic {
    display: grid;
    grid-template-columns: 28px 1fr;
    gap: var(--sp-md);
    align-items: start;
    padding: var(--sp-md);
    border: 1px solid var(--clr-line);
    border-radius: var(--rad-md);
    transition: border-color var(--trans), background var(--trans);

    &:hover {
      border-color: var(--clr-accent);
      background: var(--clr-accent-pale);
    }

    & i {
      color: var(--clr-accent);
      font-size: 1rem;
      margin-top: 0.25rem;
    }

    & strong {
      display: block;
      font-size: 0.95rem;
      font-weight: var(--fw-semi);
      margin-bottom: 0.35rem;
      color: var(--clr-ink);
    }

    & p {
      font-size: 0.875rem;
      color: var(--clr-ink-mid);
      line-height: 1.6;
    }
  }
}

.materials-sec {
  background: var(--clr-bg);
  border-top: 1px solid var(--clr-line);

  & .mat-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--sp-lg);
  }

  & .mat-item {
    padding: var(--sp-xl) var(--sp-lg);
    border: 1px solid var(--clr-line);
    border-radius: var(--rad-md);
    text-align: center;
    background: var(--clr-white);
    transition: box-shadow var(--trans), transform var(--trans);

    &:hover {
      box-shadow: var(--shadow-md);
      transform: translateY(-2px);
    }

    & i {
      font-size: 1.75rem;
      color: var(--clr-accent);
      margin-bottom: var(--sp-md);
      display: block;
    }

    & h3 {
      font-size: 1rem;
      font-weight: var(--fw-semi);
      margin-bottom: 0.5rem;
    }

    & p {
      font-size: 0.875rem;
      color: var(--clr-ink-mid);
      line-height: 1.6;
    }
  }
}

.stories-intro {
  background: var(--clr-white);

  & .si-text {
    max-width: 72ch;

    & .intro-p {
      font-size: 1.05rem;
      color: var(--clr-ink-mid);
      margin-bottom: var(--sp-md);
      line-height: 1.8;
    }
  }
}

.stories-list {
  background: var(--clr-bg);
  border-top: 1px solid var(--clr-line);

  & .story-item {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--sp-2xl);
    align-items: center;
    padding-bottom: var(--sp-2xl);
    margin-bottom: var(--sp-2xl);
    border-bottom: 1px solid var(--clr-line);

    &:last-child { border-bottom: none; margin-bottom: 0; padding-bottom: 0; }

    &.story-item--rev { grid-template-columns: 1.5fr 1fr; }
    &.story-item--rev .story-img { order: 2; }
    &.story-item--rev .story-content { order: 1; }

    & .story-img {
      & img {
        width: 100%;
        height: 340px;
        object-fit: cover;
        border-radius: var(--rad-md);
        border: 1px solid var(--clr-line);
      }
    }

    & .story-tag {
      font-size: 0.75rem;
      font-weight: var(--fw-semi);
      letter-spacing: 0.08em;
      text-transform: uppercase;
      color: var(--clr-accent);
      margin-bottom: var(--sp-sm);
    }

    & h2 {
      font-family: var(--ff-head);
      font-size: clamp(1.25rem, 2.5vw, 1.75rem);
      font-weight: var(--fw-bold);
      margin-bottom: var(--sp-md);
      line-height: 1.2;
    }

    & p {
      color: var(--clr-ink-mid);
      margin-bottom: var(--sp-md);
      font-size: 0.95rem;
      line-height: 1.75;
    }

    & .story-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 0.5rem;
      margin-top: var(--sp-md);

      & span {
        font-size: 0.75rem;
        font-weight: var(--fw-med);
        padding: 0.25rem 0.65rem;
        border: 1px solid var(--clr-line-strong);
        border-radius: var(--rad-sm);
        color: var(--clr-ink-soft);
      }
    }
  }
}

.scenarios-sec {
  background: var(--clr-white);
  border-top: 1px solid var(--clr-line);

  & .scen-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--sp-lg);
  }

  & .scen-item {
    padding: var(--sp-xl) var(--sp-lg);
    border: 1px solid var(--clr-line);
    border-radius: var(--rad-md);
    transition: border-color var(--trans), box-shadow var(--trans);

    &:hover {
      border-color: var(--clr-accent);
      box-shadow: var(--shadow-sm);
    }

    & i {
      font-size: 1.5rem;
      color: var(--clr-accent);
      margin-bottom: var(--sp-md);
      display: block;
    }

    & h3 {
      font-size: 1rem;
      font-weight: var(--fw-semi);
      margin-bottom: 0.5rem;
    }

    & p {
      font-size: 0.875rem;
      color: var(--clr-ink-mid);
      line-height: 1.6;
    }
  }
}

.contact-sec {
  background: var(--clr-bg);

  & .contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--sp-2xl);
    align-items: start;
  }

  & .contact-info {
    & .sec-title { margin-bottom: var(--sp-xl); }
  }

  & .ci-item {
    display: flex;
    gap: var(--sp-md);
    align-items: flex-start;
    margin-bottom: var(--sp-lg);
    padding-bottom: var(--sp-lg);
    border-bottom: 1px solid var(--clr-line);

    &:last-of-type { border-bottom: none; }

    & i {
      color: var(--clr-accent);
      font-size: 1.1rem;
      margin-top: 0.2rem;
      flex-shrink: 0;
    }

    & strong {
      display: block;
      font-size: 0.8rem;
      font-weight: var(--fw-semi);
      letter-spacing: 0.06em;
      text-transform: uppercase;
      color: var(--clr-ink-soft);
      margin-bottom: 0.25rem;
    }

    & p, & a {
      color: var(--clr-ink-mid);
      font-size: 0.95rem;
      line-height: 1.6;
    }

    & a:hover { color: var(--clr-accent); }
  }

  & .lang-note {
    margin-top: var(--sp-lg);
    padding: var(--sp-lg);
    border: 1px solid var(--clr-line);
    border-radius: var(--rad-md);
    background: var(--clr-white);

    & h3 {
      font-size: 0.9rem;
      font-weight: var(--fw-semi);
      margin-bottom: 0.5rem;
      display: flex;
      align-items: center;
      gap: 0.5rem;
      color: var(--clr-ink);

      & i { color: var(--clr-accent); }
    }

    & p {
      font-size: 0.875rem;
      color: var(--clr-ink-mid);
      line-height: 1.7;
    }
  }
}

.chat-form-container {
  background: var(--clr-white);
  border: 1px solid var(--clr-line);
  border-radius: var(--rad-lg);
  padding: var(--sp-xl);
}

.chat-frm {
  display: flex;
  flex-direction: column;
  gap: var(--sp-md);
}

.chat-row {
  display: flex;

  &.chat-q { justify-content: flex-start; }
  &.chat-a { justify-content: flex-end; }
  &.chat-send { justify-content: flex-end; margin-top: var(--sp-sm); }
}

.chat-bubble {
  max-width: 80%;
  padding: 0.75rem 1.1rem;
  border-radius: 18px 18px 18px 4px;
  font-size: 0.9rem;

  &.chat-q-bubble {
    background: var(--clr-bg-alt);
    border: 1px solid var(--clr-line);
    color: var(--clr-ink);
  }
}

.chat-input-wrap {
  width: 80%;
}

.chat-input {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--clr-line);
  border-radius: 18px 18px 4px 18px;
  font-family: var(--ff-body);
  font-size: 0.9rem;
  color: var(--clr-ink);
  background: var(--clr-bg-alt);
  transition: border-color var(--trans), box-shadow var(--trans);
  outline: none;

  &:focus {
    border-color: var(--clr-accent);
    box-shadow: 0 0 0 3px var(--clr-accent-pale);
  }
}

.chat-textarea { resize: vertical; min-height: 100px; border-radius: 12px 12px 4px 12px; }

.chat-privacy {
  width: 80%;
  display: flex;
  align-items: flex-start;
}

.prv-label {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.85rem;
  color: var(--clr-ink-mid);
  cursor: pointer;
  line-height: 1.5;

  & input[type="checkbox"] {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    margin-top: 2px;
    accent-color: var(--clr-accent);
    cursor: pointer;
  }

  & a { color: var(--clr-accent); text-decoration: underline; }
}

.btn-send {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem 1.75rem;
  background: var(--clr-accent);
  color: var(--clr-white);
  font-family: var(--ff-body);
  font-size: 0.9rem;
  font-weight: var(--fw-semi);
  border: none;
  border-radius: 20px;
  cursor: pointer;
  transition: background var(--trans), box-shadow var(--trans), transform var(--trans);

  &:hover {
    background: var(--clr-ink);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
  }
}

.frm-error {
  padding: 0.75rem 1rem;
  background: #fef2f2;
  border: 1px solid #fca5a5;
  border-radius: var(--rad-md);
  font-size: 0.875rem;
  color: #dc2626;
}

.map-sec {
  background: var(--clr-bg-alt);
  border-top: 1px solid var(--clr-line);

  & .sec-title { margin-bottom: var(--sp-lg); }

  & .map-wrap {
    border: 1px solid var(--clr-line);
    border-radius: var(--rad-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);

    & iframe { display: block; }
  }
}

.thanks-main {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--sp-3xl) 1.5rem;
  background: var(--clr-white);
}

.thanks-wrap {
  text-align: center;
  max-width: 520px;

  & .thanks-icon {
    font-size: 4rem;
    color: var(--clr-accent);
    margin-bottom: var(--sp-lg);
    display: flex;
    justify-content: center;
  }

  & .thanks-h1 {
    font-family: var(--ff-head);
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: var(--fw-bold);
    margin-bottom: var(--sp-md);
    letter-spacing: -0.01em;
  }

  & .thanks-p {
    color: var(--clr-ink-mid);
    font-size: 1.05rem;
    margin-bottom: var(--sp-sm);
    line-height: 1.7;
  }

  & .thanks-p2 {
    color: var(--clr-ink-soft);
    font-size: 0.95rem;
    margin-bottom: var(--sp-xl);
  }

  & .thanks-actions {
    display: flex;
    gap: var(--sp-sm);
    justify-content: center;
    flex-wrap: wrap;
  }
}

.legal-sec {
  background: var(--clr-white);

  & .legal-body {
    max-width: 72ch;
    margin-inline: auto;

    & p {
      color: var(--clr-ink-mid);
      margin-bottom: var(--sp-md);
      line-height: 1.85;
      font-size: 0.95rem;
    }

    & h2 {
      font-family: var(--ff-head);
      font-size: 1.2rem;
      font-weight: var(--fw-semi);
      color: var(--clr-ink);
      margin-top: var(--sp-xl);
      margin-bottom: var(--sp-sm);
      padding-bottom: 0.5rem;
      border-bottom: 1px solid var(--clr-line);
    }
  }
}

.ftr {
  background: var(--clr-ink);
  color: rgba(253,252,250,0.7);
  position: relative;
  overflow: hidden;
  margin-top: auto;

  & .ftr-pattern {
    position: absolute;
    inset: 0;
    background-image:
      linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
      linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
  }

  & .container { position: relative; z-index: 1; }

  & .ftr-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--sp-2xl);
    padding-block: var(--sp-2xl);
    border-bottom: 1px solid rgba(255,255,255,0.08);
  }

  & .ftr-logo { filter: brightness(0) invert(1); opacity: 0.85; }

  & .ftr-tagline {
    font-size: 0.875rem;
    color: rgba(253,252,250,0.5);
    margin-block: var(--sp-md);
    line-height: 1.6;
    max-width: 28ch;
  }

  & .ftr-addr {
    font-size: 0.85rem;
    color: rgba(253,252,250,0.5);
    line-height: 2;

    & a {
      color: rgba(253,252,250,0.5);
      transition: color var(--trans);
      &:hover { color: var(--clr-accent-light); }
    }

    & i { margin-right: 0.4rem; color: var(--clr-accent); }
  }

  & .ftr-h {
    font-size: 0.75rem;
    font-weight: var(--fw-bold);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: rgba(253,252,250,0.4);
    margin-bottom: var(--sp-md);
  }

  & .ftr-ul {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;

    & a {
      font-size: 0.875rem;
      color: rgba(253,252,250,0.6);
      transition: color var(--trans);
      &:hover { color: var(--clr-white); }
    }
  }

  & .ftr-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-block: var(--sp-lg);
    font-size: 0.8rem;
    color: rgba(253,252,250,0.35);
    flex-wrap: wrap;
    gap: var(--sp-sm);
  }
}

.ck-banner {
  position: fixed;
  top: -100%;
  left: 0;
  right: 0;
  z-index: 9999;
  background: var(--clr-ink);
  border-bottom: 1px solid rgba(255,255,255,0.1);
  transition: top 0.4s ease;
  padding: 0.75rem 1.5rem;

  &.ck-visible { top: 0; }

  & .ck-inner {
    max-width: 1200px;
    margin-inline: auto;
    display: flex;
    align-items: center;
    gap: var(--sp-md);
    flex-wrap: wrap;
  }

  & .ck-txt {
    font-size: 0.85rem;
    color: rgba(253,252,250,0.75);
    flex: 1;
    min-width: 200px;

    & a {
      color: var(--clr-accent-light);
      text-decoration: underline;
    }
  }

  & .ck-btns {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
  }
}

.ck-btn {
  padding: 0.45rem 1rem;
  font-size: 0.8rem;
  font-weight: var(--fw-semi);
  border-radius: var(--rad-sm);
  cursor: pointer;
  transition: background var(--trans), color var(--trans), border-color var(--trans);
  border: 1px solid transparent;

  &.ck-accept {
    background: var(--clr-accent);
    color: var(--clr-white);
    &:hover { background: var(--clr-accent-light); }
  }

  &.ck-reject {
    background: transparent;
    color: rgba(253,252,250,0.6);
    border-color: rgba(255,255,255,0.2);
    &:hover { border-color: rgba(255,255,255,0.5); color: var(--clr-white); }
  }

  &.ck-custom {
    background: transparent;
    color: rgba(253,252,250,0.6);
    border-color: rgba(255,255,255,0.2);
    &:hover { border-color: rgba(255,255,255,0.5); color: var(--clr-white); }
  }
}

.ck-modal {
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: rgba(26,24,20,0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  padding: 1.5rem;

  &.ck-modal-open {
    opacity: 1;
    pointer-events: all;
  }

  & .ck-modal-box {
    background: var(--clr-white);
    border-radius: var(--rad-lg);
    padding: var(--sp-xl);
    max-width: 480px;
    width: 100%;
    position: relative;
    box-shadow: var(--shadow-lg);

    & h3 {
      font-size: 1.1rem;
      font-weight: var(--fw-semi);
      margin-bottom: var(--sp-lg);
      padding-bottom: var(--sp-sm);
      border-bottom: 1px solid var(--clr-line);
    }
  }

  & .ck-modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--clr-ink-soft);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color var(--trans);
    &:hover { color: var(--clr-ink); }
  }

  & .ck-cat {
    margin-bottom: var(--sp-md);
    padding-bottom: var(--sp-md);
    border-bottom: 1px solid var(--clr-line);

    &:last-of-type { border-bottom: none; }

    & label {
      display: flex;
      align-items: center;
      gap: 0.5rem;
      font-size: 0.9rem;
      font-weight: var(--fw-semi);
      cursor: pointer;
      margin-bottom: 0.35rem;
    }

    & p {
      font-size: 0.8rem;
      color: var(--clr-ink-soft);
      padding-left: 1.5rem;
    }
  }

  & .ck-btn.ck-accept {
    margin-top: var(--sp-md);
    width: 100%;
    padding: 0.75rem;
  }
}

@media (max-width: 1024px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;

    & .hero-wrap {
      padding: var(--sp-xl) 1.5rem;
    }

    & .hero-img-wrap {
      min-height: 360px;
      order: -1;
    }

    & .hero-h1 { font-size: clamp(2.25rem, 6vw, 3.5rem); }
  }

  .intro .intro-grid { grid-template-columns: 1fr; }
  .intro .intro-left { position: static; }

  .modules .mod-grid { grid-template-columns: repeat(2, 1fr); }
  .modules .mod-crd { border-bottom: 1px solid var(--clr-line); }

  .for-who .fw-grid { grid-template-columns: 1fr; }
  .for-who .fw-img-wrap img { height: 360px; }

  .approach-intro .ai-grid { grid-template-columns: 1fr; }
  .approach-intro .ai-img img { height: 360px; }

  .context-sec .ctx-grid { grid-template-columns: 1fr; }
  .context-sec .ctx-img img { height: 300px; }

  .group-sec .grp-cards { grid-template-columns: 1fr 1fr; }

  .learn-intro .li-grid { grid-template-columns: 1fr; }

  .module-detail .md-grid { grid-template-columns: 1fr; }
  .module-detail .md-meta {
    position: static;
    text-align: left;
    border-right: none;
    border-bottom: 1px solid var(--clr-line);
    padding-right: 0;
    padding-bottom: var(--sp-md);
    display: flex;
    align-items: center;
    gap: var(--sp-md);
  }
  .module-detail .md-num { font-size: 2.5rem; margin-bottom: 0; }

  .materials-sec .mat-grid { grid-template-columns: 1fr 1fr; }

  .contact-sec .contact-grid { grid-template-columns: 1fr; }

  .story-item { grid-template-columns: 1fr !important; }
  .story-item.story-item--rev .story-img { order: 0 !important; }
  .story-item.story-item--rev .story-content { order: 0 !important; }

  .ftr .ftr-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  :root { --sp-2xl: 4rem; --sp-xl: 2.5rem; }

  .hdr .hdr-nav { display: none; }
  .hdr .hdr-cta { display: none; }
  .hdr .hdr-burger { display: flex; }

  .modules .mod-grid { grid-template-columns: 1fr; }
  .modules .mod-crd { border-right: none; }

  .vals .vals-grid { grid-template-columns: 1fr; }

  .group-sec .grp-cards { grid-template-columns: 1fr; }

  .materials-sec .mat-grid { grid-template-columns: 1fr; }

  .scen-grid { grid-template-columns: 1fr 1fr !important; }

  .ftr .ftr-grid { grid-template-columns: 1fr; gap: var(--sp-lg); }

  .step-item { grid-template-columns: 60px 1fr !important; }
  .step-num { font-size: 1.25rem !important; }

  .hero-badges { gap: 0.5rem; }
  .hero-badge { font-size: 0.75rem; }
}

@media (max-width: 480px) {
  .hero .hero-actions { flex-direction: column; }
  .btn-prim, .btn-sec { width: 100%; justify-content: center; }
  .thanks-actions { flex-direction: column; }
  .scen-grid { grid-template-columns: 1fr !important; }
  .ftr .ftr-bottom { flex-direction: column; text-align: center; }
  .ck-banner .ck-inner { flex-direction: column; align-items: flex-start; }
  .ck-btns { width: 100%; }
  .ck-btn { flex: 1; text-align: center; }
}