/* ===== RESET & BASE ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: #fff;
  color: #1a1a1a;
  line-height: 1.5;
  font-feature-settings: 'cv11', 'ss01';
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

/* ===== LAYOUT ===== */
.container {
  max-width: 880px;
  margin: 0 auto;
  padding: 0 32px;
}

/* ===== HEADER / HERO ===== */
.header {
  padding: 80px 0 32px;
}

.hero__meta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
}

.hero__avatar {
  width: 56px;
  height: 56px;
  object-fit: cover;
  background: #f0f0f0;
  border-radius: 4px;
  flex-shrink: 0;
}

.hero__name {
  font-size: 20px;
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.2px;
}

.hero__role {
  font-size: 14px;
  color: #888;
  margin-top: 4px;
  font-weight: 400;
}

.hero__bio {
  font-size: 22px;
  line-height: 1.45;
  margin-bottom: 20px;
  color: #1a1a1a;
  max-width: 640px;
  font-weight: 400;
  letter-spacing: -0.3px;
}

.hero__links {
  display: flex;
  gap: 12px;
}

/* ===== SECTIONS ===== */
.section {
  padding: 48px 0;
}

.section__intro {
  margin-bottom: 24px;
  max-width: 70%;
}

.section__title {
  font-size: 28px;
  font-weight: 600;
  margin-bottom: 12px;
  letter-spacing: -0.5px;
  line-height: 1.2;
}

.section__desc {
  font-size: 14px;
  color: #555;
  line-height: 1.65;
  font-weight: 400;
}

.section__desc--mt {
  margin-top: 12px;
}

/* ===== GRIDS ===== */
.grid {
  display: grid;
  gap: 32px 20px;
}

.grid--4 {
  grid-template-columns: repeat(4, 1fr);
}

.grid--2 {
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

/* ===== CARDS (image grid) ===== */
.card--img {
  display: block;
  cursor: pointer;
}

.card__thumb {
  border-radius: 14px;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: #f5f5f5;
  margin-bottom: 12px;
  transition: transform 0.25s ease;
}

.card__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: opacity 0.2s;
}

.card__label {
  font-size: 14px;
  font-weight: 500;
  line-height: 1.4;
  margin-bottom: 4px;
  letter-spacing: -0.1px;
}

.card__caption {
  font-size: 12px;
  color: #888;
  line-height: 1.5;
  font-weight: 400;
}

/* ===== МЭШ CARDS ===== */
.card--mesh {
  display: flex;
  flex-direction: column;
  border-radius: 14px;
  overflow: hidden;
  background: #fff;
  border: 1px solid #e5e5e5;
  transition: transform 0.25s ease, border-color 0.2s;
}

.card__mesh-top {
  position: relative;
  background: url('images/mes_background.png') center / cover;
  aspect-ratio: 3 / 2;
  padding: 24px;
  overflow: hidden;
}

.card__mesh-content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 100%;
}

.card__mesh-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.tag {
  font-size: 12px;
  background: #fff;
  border-radius: 100px;
  padding: 4px 12px;
  color: #1a1a1a;
  font-weight: 500;
  line-height: 1.2;
}

.card__mesh-illustration {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: right bottom;
  pointer-events: none;
  user-select: none;
  z-index: 1;
}

.card__mesh-bottom {
  flex: 1;
  padding: 20px 24px 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.card__mesh-eyebrow {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: #0088FF;
  text-transform: uppercase;
  font-weight: 600;
}

.card__mesh-title {
  font-family: 'Montserrat Alternates', 'Inter', sans-serif;
  font-size: 20px;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.3px;
  color: #1a1a1a;
  max-width: 70%;
  text-wrap: balance;
}

.card__mesh-text {
  font-size: 14px;
  color: #555;
  line-height: 1.6;
}

.card--mesh .btn {
  margin-top: auto;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 14px;
  font-weight: 400;
  background: transparent;
  border: 1px solid #e5e5e5;
  border-radius: 100px;
  padding: 7px 18px;
  color: #1a1a1a;
  transition: border-color 0.2s, color 0.2s;
  align-self: flex-start;
}

.btn--mt {
  margin-top: 20px;
}

/* ===== BOOK SECTION ===== */
.book-gallery {
  margin-top: 32px;
  border-radius: 14px;
  overflow: hidden;
  cursor: zoom-in;
}

.book-gallery__img {
  width: 100%;
  display: block;
  transition: opacity 0.2s;
}

/* ===== ALTAI SECTION ===== */
.altai-preview {
  border-radius: 14px;
  overflow: hidden;
  background: #1a1a2e;
  cursor: zoom-in;
}

.altai-preview__img {
  width: 100%;
  display: block;
  transition: opacity 0.2s;
}

/* ===== INLINE LINK ===== */
.link-inline {
  display: inline-block;
  font-size: 14px;
  color: #888;
  font-weight: 400;
  border-bottom: 1px solid #e5e5e5;
  padding-bottom: 1px;
  margin-top: 12px;
  transition: color 0.2s, border-color 0.2s;
}

/* ===== LIGHTBOX ===== */
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(6px);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 32px;
  cursor: zoom-out;
}

.lightbox.is-open {
  display: flex;
}

.lightbox__img {
  max-width: 100%;
  max-height: 90vh;
  border-radius: 12px;
  object-fit: contain;
  cursor: zoom-out;
}

.lightbox__close {
  position: fixed;
  top: 24px;
  right: 24px;
  font-size: 20px;
  color: #fff;
  background: none;
  border: none;
  cursor: pointer;
  opacity: 0.7;
  transition: opacity 0.2s;
  line-height: 1;
}

/* ===== FOOTER ===== */
.footer {
  padding: 64px 0 96px;
  text-align: center;
}

.footer p {
  font-size: 16px;
  color: #888;
  line-height: 1.7;
}

.footer a {
  color: #555;
  border-bottom: 1px solid #e5e5e5;
  transition: color 0.2s, border-color 0.2s;
}

/* ===== HOVER (mouse only) ===== */
@media (hover: hover) {
  .card--img:hover .card__thumb {
    transform: translateY(-3px);
  }

  .card--img:hover .card__thumb img {
    opacity: 0.92;
  }

  .card--mesh:hover {
    transform: translateY(-3px);
    border-color: #d9d9d9;
  }

  .btn:hover {
    border-color: #5856D6;
    color: #5856D6;
  }

  .book-gallery:hover .book-gallery__img,
  .altai-preview:hover .altai-preview__img {
    opacity: 0.92;
  }

  .lightbox__close:hover {
    opacity: 1;
  }

  .link-inline:hover {
    color: #1a1a1a;
    border-color: #5856D6;
  }

  .footer a:hover {
    color: #111;
    border-color: #5856D6;
  }
}

/* ===== ACTIVE (touch) ===== */
@media (hover: none) {
  .card--img:active .card__thumb {
    opacity: 0.82;
  }

  .card--mesh:active {
    border-color: #d9d9d9;
    transform: translateY(-1px);
  }

  .btn:active {
    border-color: #5856D6;
    color: #5856D6;
  }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 767px) {
  .grid--2 {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 481px) and (max-width: 767px) {
  .card--mesh {
    flex-direction: row;
    min-height: 240px;
  }

  .card__mesh-top {
    flex: 0 0 50%;
    aspect-ratio: auto;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }

  .card__mesh-illustration {
    width: 50%;
    height: 50%;
    inset: auto 0 0 auto;
  }

  .card__mesh-title {
    font-size: 18px;
    max-width: 60%;
  }

  .card__mesh-bottom {
    flex: 1;
    justify-content: center;
  }

  .card--mesh .btn {
    padding: 9px 16px;
    font-size: 13px;
    margin-top: 0;
  }
}

@media (max-width: 768px) {
  .grid--4 {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 760px) {
  .container {
    padding: 0 24px;
  }

  .header {
    padding: 64px 0 24px;
  }

  .section {
    padding: 40px 0;
  }

  .section__intro {
    max-width: 80%;
  }

  .section__title {
    font-size: 22px;
  }

  .hero__name {
    font-size: 18px;
  }

  .hero__bio {
    max-width: 90%;
  }

  .footer {
    padding: 40px 0 64px;
  }
}

@media (max-width: 480px) {
  .book-gallery,
  .altai-preview {
    cursor: default;
  }

  .card--mesh {
    flex-direction: column;
  }

  .card__mesh-top {
    flex: none;
    aspect-ratio: 16 / 11;
    padding: 16px;
    justify-content: flex-start;
  }

  .card__mesh-illustration {
    width: 55%;
    height: 55%;
    inset: auto 0 0 auto;
  }

  .card__mesh-title {
    max-width: 60%;
  }

  .card__mesh-bottom {
    padding: 16px 18px 18px;
    gap: 14px;
    justify-content: flex-start;
  }

  .card--mesh .btn {
    width: 100%;
    justify-content: center;
  }

  .header {
    padding: 40px 0 20px;
  }

  .section {
    padding: 24px 0;
  }

  .section__intro {
    margin-bottom: 16px;
  }

  .footer {
    padding: 32px 0 48px;
  }

  .grid--4 {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .card--img {
    display: grid;
    grid-template-columns: 96px 1fr;
    grid-template-rows: auto auto;
    column-gap: 12px;
    padding: 16px 0;
    border-bottom: 1px solid #f0f0f0;
  }

  .card--img:first-child {
    border-top: 1px solid #f0f0f0;
  }

  .card__thumb {
    grid-row: 1 / 3;
    width: 96px;
    height: auto;
    aspect-ratio: 4 / 3;
    flex-shrink: 0;
    margin-bottom: 0;
    border-radius: 8px;
    align-self: center;
  }

  .card__label {
    align-self: end;
  }

  .card__caption {
    align-self: start;
  }

  .section__intro {
    max-width: 100%;
  }

  .hero__bio {
    max-width: 100%;
  }
}