/* ================================================ */
/* ARTICLE PAGE — Swiss Industrial Print              */
/* Modular section templates:                         */
/*   .article-hero        (HR)                         */
/*   .article-text        (TX)                         */
/*   .article-list        (LS)                         */
/*   .article-tg          (TG)                         */
/*   .article-td          (TD — table/chart)           */
/*   .article-image-text  (IM)                         */
/*   .article-cta         (CT)                         */
/* All chromatic values via :root tokens.             */
/* Sharp corners only — no radius, no glass, no glow.  */
/* ================================================ */
@import url("../pagestyle.css");

/* ========================================
   BASE LAYOUT
======================================== */
.article-page {
  width: 100%;
  background: var(--light-color);
  color: var(--shadow-color);
  display: flex;
  flex-direction: column;
  overflow-x: clip;
  counter-reset: article-sec;
}

.article-section {
  width: 100%;
  position: relative;
}

.article-section:not(.article-hero) {
  counter-increment: article-sec;
}

.article-section + .article-section {
  border-top: 1px solid var(--border-hairline-on-light);
}

/* Macro-whitespace — sections breathe heavily */
.article-section .container {
  max-width: 1280px;
  width: 100%;
  margin: 0 auto;
  padding: 116px 40px;
  position: relative;
  z-index: 1;
}

/* Scanline texture for light content sections */
.article-text,
.article-list,
.article-tg,
.article-td {
  position: relative;
  overflow: hidden;
}

.article-text::before,
.article-list::before,
.article-tg::before,
.article-td::before {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    var(--scanline-on-light) 0,
    var(--scanline-on-light) 1px,
    transparent 1px,
    transparent 3px
  );
  pointer-events: none;
  z-index: 0;
}

.article-empty {
  padding: 140px 40px;
  text-align: left;
  max-width: 1280px;
  width: 100%;
  margin: 0 auto;
}

/* Shared industrial slug above section titles */
.article-text__title,
.article-list__title,
.article-tg__title,
.article-td__title {
  position: relative;
}

.article-text__title::before {
  content: "// " counter(article-sec, decimal-leading-zero) " / ANALYSIS";
}

.article-list__title::before {
  content: "// " counter(article-sec, decimal-leading-zero) " / SUMMARY";
}

.article-tg__title::before,
.article-td__title::before {
  content: "// " counter(article-sec, decimal-leading-zero) " / DATA";
}

.article-text__title::before,
.article-list__title::before,
.article-tg__title::before,
.article-td__title::before {
  display: block;
  font-family: "JetBrains Mono", "IBM Plex Mono", "Courier New", monospace;
  font-size: 0.6875rem;
  letter-spacing: 0.2em;
  color: var(--primary-color);
  margin-bottom: 18px;
  font-weight: 500;
  text-transform: uppercase;
}

/* =========================================================
   HR — HERO (editorial split datasheet)
   ========================================================= */
.article-hero {
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  background-color: var(--shadow-color);
  background-image: var(--hero-bg, url("/assets/img/page-hero-bg.webp"));
  background-size: cover;
  background-position: center;
  padding: 150px 0 90px;
  color: var(--text-on-dark);
  text-align: left;
  overflow: hidden;
  border-bottom: 1px solid var(--border-faint-on-dark);
}

/* Cinematic mask */
.article-hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    var(--hero-mask-near) 0%,
    var(--hero-mask-mid) 44%,
    var(--hero-mask-far) 80%,
    var(--hero-mask-mid) 100%
  );
  z-index: 0;
  backdrop-filter: blur(2px) brightness(0.8);
}

/* CRT scanlines */
.article-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    var(--scanline-on-dark) 0,
    var(--scanline-on-dark) 1px,
    transparent 1px,
    transparent 3px
  );
  pointer-events: none;
  z-index: 1;
}

/* Hazard-red hairline at the bottom */
.article-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: var(--primary-color);
  z-index: 3;
}

.article-hero__content {
  position: relative;
  z-index: 2;
  max-width: 1280px;
  width: 100%;
  margin: 0 auto;
  padding: 0 40px;
  animation: articleFadeUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) both;
}

/* Eyebrow slug above hero title */
.article-hero__content::before {
  content: "[ AETERN INVENTO / RESEARCH ]";
  display: block;
  font-family: "JetBrains Mono", "IBM Plex Mono", "Courier New", monospace;
  font-size: 0.6875rem;
  letter-spacing: 0.22em;
  color: var(--primary-color);
  margin-bottom: 28px;
  font-weight: 500;
  text-transform: uppercase;
}

/* Smaller, controlled title — hierarchy via weight + color, not scale.
   No mid-word hyphenation (was breaking "ЭНЕРГОНОСИТЕ-ЛЕЙ"). */
.article-hero__title {
  font-size: clamp(1.5rem, 2.8vw, 2.4rem);
  font-weight: 200;
  letter-spacing: -0.01em;
  text-transform: uppercase;
  color: var(--text-on-dark-strong);
  margin: 0 0 28px;
  position: relative;
  padding-bottom: 26px;
  line-height: 1.14;
  text-wrap: balance;
  overflow-wrap: break-word;
  hyphens: manual;
}

.article-hero__title::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 56px;
  height: 2px;
  background: var(--primary-color);
  transition: width 0.45s cubic-bezier(0.16, 1, 0.3, 1);
}

.article-hero:hover .article-hero__title::after {
  width: 96px;
}

/* Editorial split: lead subtitle | supporting description,
   divided by a hairline — reads like a datasheet header */
.article-hero__meta {
  display: flex;
  flex-direction: column;
  gap: 28px;
  padding-top: 32px;
  border-top: 1px solid var(--border-soft-on-dark);
  max-width: 1080px;
}

@media (min-width: 880px) {
  .article-hero__meta {
    flex-direction: column;
    gap: 0;
  }

  .article-hero__description {
    padding-left: 18px;
    padding-top: 20px;
    border-left: 1px solid var(--border-soft-on-dark);
  }
}

.article-hero__subtitle {
  font-size: clamp(1.05rem, 1.5vw, 1.3rem);
  font-weight: 300;
  margin: 0;
  color: var(--text-on-dark);
  line-height: 1.5;
}

.article-hero__description {
  font-size: 0.92rem;
  line-height: 1.75;
  font-weight: 300;
  margin: 0;
  color: var(--text-on-dark-muted);
}

/* =========================================================
   TX — TEXT
   ========================================================= */
.article-text {
  background: var(--light-color);
}

.article-text__title {
  font-size: clamp(1.4rem, 2vw, 1.9rem);
  font-weight: 200;
  color: var(--shadow-color);
  text-transform: uppercase;
  letter-spacing: -0.005em;
  margin: 0 0 32px;
  padding-bottom: 16px;
  line-height: 1.15;
  display: block;
  text-wrap: balance;
  overflow-wrap: break-word;
}

.article-text__title::after {
  content: "";
  display: block;
  width: 40px;
  height: 2px;
  background: var(--primary-color);
  margin-top: 16px;
  transition: width 0.45s cubic-bezier(0.16, 1, 0.3, 1);
}

.article-text:hover .article-text__title::after {
  width: 72px;
}

.article-text__paragraph {
  font-size: 1rem;
  line-height: 1.85;
  color: var(--text-on-light-muted);
  font-weight: 300;
  margin: 0 0 18px;
}

.article-text__paragraph:last-child {
  margin-bottom: 0;
}

/* =========================================================
   LS — LIST
   ========================================================= */
.article-list {
  background: var(--light-gray);
}

.article-list__title {
  font-size: clamp(1.3rem, 1.9vw, 1.75rem);
  font-weight: 200;
  color: var(--shadow-color);
  text-transform: uppercase;
  letter-spacing: -0.005em;
  margin: 0 0 18px;
  padding-bottom: 12px;
  display: block;
  text-wrap: balance;
}

.article-list__title::after {
  content: "";
  display: block;
  width: 40px;
  height: 2px;
  background: var(--primary-color);
  margin-top: 12px;
}

.article-list__intro {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--text-on-light-muted);
  font-weight: 300;
  margin: 0 0 32px;
}

.article-list__items {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--border-hairline-on-light);
  border: 1px solid var(--border-hairline-on-light);
}

@media (min-width: 720px) {
  .article-list__items {
    grid-template-columns: 1fr 1fr;
  }
}

.article-list__item {
  position: relative;
  padding: 18px 22px 18px 42px;
  background: var(--light-color);
  font-size: 0.96rem;
  line-height: 1.6;
  color: var(--text-on-light-muted);
  font-weight: 300;
  transition:
    background-color 0.3s cubic-bezier(0.16, 1, 0.3, 1),
    color 0.3s cubic-bezier(0.16, 1, 0.3, 1),
    padding-left 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.article-list__item::before {
  content: "";
  position: absolute;
  top: 1.5em;
  left: 20px;
  width: 12px;
  height: 1px;
  background: var(--primary-color);
  transition: width 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.article-list__item:hover {
  background: var(--surface-tint-on-light);
  color: var(--shadow-color);
  padding-left: 48px;
}

.article-list__item:hover::before {
  width: 18px;
}

/* =========================================================
   TG — TABLE GENERAL
   ========================================================= */
.article-tg {
  background: var(--light-color);
}

.article-tg__title {
  font-size: clamp(1.3rem, 1.9vw, 1.75rem);
  font-weight: 200;
  color: var(--shadow-color);
  text-transform: uppercase;
  letter-spacing: -0.005em;
  margin: 0 0 32px;
  padding-bottom: 16px;
  display: block;
  text-wrap: balance;
}

.article-tg__title::after {
  content: "";
  display: block;
  width: 40px;
  height: 2px;
  background: var(--primary-color);
  margin-top: 16px;
}

.article-tg__wrapper {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--border-hairline-on-light);
  scrollbar-width: thin;
  scrollbar-color: var(--text-on-light-disabled) transparent;
}

.article-tg__table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.94rem;
  background: var(--light-color);
}

.article-tg__cell {
  padding: 16px 20px;
  border: 1px solid var(--border-hairline-on-light);
  color: var(--text-on-light-muted);
  vertical-align: top;
  word-break: break-word;
  font-weight: 300;
  min-width: 33%;
}

.article-tg__table tr:nth-child(odd) .article-tg__cell {
  background: var(--surface-tint-on-light);
}

.article-tg__caption {
  margin: 16px 0 0;
  font-family: "JetBrains Mono", "IBM Plex Mono", "Courier New", monospace;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--text-on-light-faint);
  font-style: normal;
  text-transform: uppercase;
  line-height: 1.6;
}

/* =========================================================
   TD — TABLE DATA (with chart toggle)
   ========================================================= */
.article-td {
  background: var(--light-color);
}

.article-td__title {
  font-size: clamp(1.3rem, 1.9vw, 1.75rem);
  font-weight: 200;
  color: var(--shadow-color);
  text-transform: uppercase;
  letter-spacing: -0.005em;
  margin: 0 0 28px;
  padding-bottom: 16px;
  display: block;
  text-wrap: balance;
}

.article-td__title::after {
  content: "";
  display: block;
  width: 40px;
  height: 2px;
  background: var(--primary-color);
  margin-top: 16px;
}

.article-td__viewport {
  position: relative;
  width: 100%;
}

/* Industrial monospace toggle button — sharp, tactile */
.article-td__toggle {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 20px;
  padding: 11px 22px;
  background: transparent;
  color: var(--shadow-color);
  border: 1px solid var(--border-soft-on-light);
  font-family: "JetBrains Mono", "IBM Plex Mono", "Courier New", monospace;
  font-size: 0.7rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  cursor: pointer;
  border-radius: 0;
  transition:
    background-color 0.25s cubic-bezier(0.16, 1, 0.3, 1),
    color 0.25s cubic-bezier(0.16, 1, 0.3, 1),
    border-color 0.25s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.12s ease;
}

.article-td__toggle:hover {
  background: var(--shadow-color);
  color: var(--white);
  border-color: var(--shadow-color);
}

.article-td__toggle:active {
  transform: translateY(1px);
}

body.is-editor .article-td__toggle {
  display: none;
}

.article-td__scroll {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--border-hairline-on-light);
  scrollbar-width: thin;
  scrollbar-color: var(--text-on-light-disabled) transparent;
}

.article-td__table {
  border-collapse: collapse;
  font-size: 0.9rem;
  min-width: 100%;
  background: var(--light-color);
}

.article-td__cell {
  padding: 14px 18px;
  border: 1px solid var(--border-hairline-on-light);
  color: var(--text-on-light-muted);
  vertical-align: top;
  word-break: normal;
  white-space: nowrap;
  text-align: left;
  font-weight: 300;
}

.article-td__cell--header {
  background: var(--shadow-color);
  color: var(--text-on-dark-strong);
  font-family: "JetBrains Mono", "IBM Plex Mono", "Courier New", monospace;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.article-td__cell--label {
  background: var(--light-color);
  color: var(--shadow-color);
  font-family: "JetBrains Mono", "IBM Plex Mono", "Courier New", monospace;
  font-size: 0.78rem;
  font-weight: 500;
  position: sticky;
  left: 0;
  z-index: 1;
  border-right: 2px solid var(--border-soft-on-light);
}

.article-td__table thead .article-td__cell--header:first-child {
  position: sticky;
  left: 0;
  z-index: 2;
}

.article-td__chart-wrap {
  position: relative;
  width: 100%;
  height: clamp(280px, 40vw, 480px);
  max-height: 480px;
  margin-top: 8px;
  border: 1px solid var(--border-hairline-on-light);
  padding: 18px;
  background: var(--light-color);
}

.article-td__chart {
  width: 100% !important;
  height: 100% !important;
  max-height: 100% !important;
  display: block;
}

.article-td__caption {
  margin: 16px 0 0;
  font-family: "JetBrains Mono", "IBM Plex Mono", "Courier New", monospace;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--text-on-light-faint);
  font-style: normal;
  text-transform: uppercase;
  line-height: 1.65;
}

/* =========================================================
   IM — IMAGE + TEXT
   ========================================================= */
.article-image-text {
  background: var(--light-color);
}

.article-image-text__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 64px;
  align-items: center;
}

@media (min-width: 880px) {
  .article-image-text__layout {
    grid-template-columns: 1fr 1fr;
  }

  .article-image-text.image-left .article-image-text__layout {
    grid-template-areas: "img content";
  }

  .article-image-text.image-right .article-image-text__layout {
    grid-template-areas: "content img";
  }

  .article-image-text__content {
    grid-area: content;
  }
  .article-image-text__image {
    grid-area: img;
  }
}

.article-image-text__title {
  font-size: clamp(1.3rem, 1.9vw, 1.75rem);
  font-weight: 200;
  color: var(--shadow-color);
  text-transform: uppercase;
  letter-spacing: -0.005em;
  margin: 0 0 18px;
  padding-bottom: 12px;
  position: relative;
  text-wrap: balance;
}

.article-image-text__title::before {
  content: "// " counter(article-sec, decimal-leading-zero) " / DETAIL";
  display: block;
  font-family: "JetBrains Mono", "IBM Plex Mono", "Courier New", monospace;
  font-size: 0.6875rem;
  letter-spacing: 0.2em;
  color: var(--primary-color);
  margin-bottom: 18px;
  font-weight: 500;
  text-transform: uppercase;
}

.article-image-text__title::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 2px;
  background: var(--primary-color);
}

.article-image-text__paragraph {
  font-size: 1rem;
  line-height: 1.85;
  color: var(--text-on-light-muted);
  font-weight: 300;
  margin: 0 0 16px;
}

.article-image-text__image {
  position: relative;
  padding: 14px;
}

.article-image-text__image::before,
.article-image-text__image::after {
  content: "";
  position: absolute;
  width: 30px;
  height: 30px;
  z-index: 2;
  pointer-events: none;
}

.article-image-text__image::before {
  top: 0;
  left: 0;
  border-top: 1px solid var(--primary-color);
  border-left: 1px solid var(--primary-color);
}

.article-image-text__image::after {
  right: 0;
  bottom: 0;
  border-bottom: 1px solid var(--primary-color);
  border-right: 1px solid var(--primary-color);
}

.article-image-text__image img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  border: 1px solid var(--border-hairline-on-light);
  filter: saturate(0.92) contrast(1.02);
}

/* =========================================================
   CT — CALL TO ACTION
   ========================================================= */
.article-cta {
  background: var(--shadow-color);
  color: var(--text-on-dark);
  text-align: left;
  padding: 0;
  position: relative;
  overflow: hidden;
  border-top: 2px solid var(--primary-color);
}

.article-cta.has-bg {
  background-image: var(--cta-bg);
  background-size: cover;
  background-position: center;
}

.article-cta__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    var(--hero-mask-near) 0%,
    var(--hero-mask-mid) 60%,
    var(--hero-mask-far) 100%
  );
  z-index: 0;
}

/* Scanlines */
.article-cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    var(--scanline-on-dark) 0,
    var(--scanline-on-dark) 1px,
    transparent 1px,
    transparent 3px
  );
  pointer-events: none;
  z-index: 1;
}

.article-cta__content {
  position: relative;
  z-index: 2;
  padding: 128px 40px;
  max-width: 1280px;
  width: 100%;
  margin: 0 auto;
}

.article-cta__content::before {
  content: "// FINAL";
  display: block;
  font-family: "JetBrains Mono", "IBM Plex Mono", "Courier New", monospace;
  font-size: 0.6875rem;
  letter-spacing: 0.22em;
  color: var(--primary-color);
  margin-bottom: 24px;
  font-weight: 500;
  text-transform: uppercase;
}

.article-cta__title {
  font-size: clamp(1.5rem, 2.6vw, 2.2rem);
  font-weight: 200;
  text-transform: uppercase;
  letter-spacing: -0.005em;
  color: var(--text-on-dark-strong);
  margin: 0 0 22px;
  line-height: 1.15;
  text-wrap: balance;
}

.article-cta__text {
  font-size: 1rem;
  line-height: 1.8;
  font-weight: 300;
  margin: 0 0 40px;
  color: var(--text-on-dark-muted);
}

.article-cta__button {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  background: var(--primary-color);
  color: var(--white);
  padding: 17px 38px;
  font-family: "Montserrat", sans-serif;
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  text-decoration: none;
  border: 1px solid var(--primary-color);
  border-radius: 0;
  transition:
    background-color 0.3s cubic-bezier(0.16, 1, 0.3, 1),
    color 0.3s cubic-bezier(0.16, 1, 0.3, 1),
    border-color 0.3s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.12s ease;
}

.article-cta__button::after {
  content: "→";
  font-size: 1.05em;
  font-weight: 400;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.article-cta__button:hover {
  background: transparent;
  color: var(--primary-color);
  border-color: var(--primary-color);
}

.article-cta__button:hover::after {
  transform: translateX(5px);
}

.article-cta__button:active {
  transform: translateY(1px);
}

/* =========================================================
   MOTION — heavy premium scroll entry
   ========================================================= */
@keyframes articleFadeUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.article-section.is-pre-visible {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity 0.85s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.85s cubic-bezier(0.16, 1, 0.3, 1);
}

.article-section.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 1024px) {
  .article-section .container {
    padding: 88px 32px;
  }

  .article-hero__content {
    padding: 0 32px;
  }

  .article-cta__content {
    padding: 96px 32px;
  }
}

@media (max-width: 768px) {
  .article-section .container {
    padding: 64px 24px;
  }

  .article-hero {
    min-height: auto;
    padding: 120px 0 64px;
  }

  .article-hero__content {
    padding: 0 24px;
  }

  .article-hero__meta {
    padding-top: 28px;
  }

  .article-cta__content {
    padding: 64px 24px;
  }

  .article-image-text__layout {
    gap: 40px;
  }
}

@media (max-width: 480px) {
  .article-section .container {
    padding: 48px 20px;
  }

  .article-hero {
    padding: 104px 0 52px;
  }

  .article-hero__content {
    padding: 0 20px;
  }

  .article-hero__content::before {
    font-size: 0.625rem;
    margin-bottom: 20px;
  }

  .article-cta__content {
    padding: 52px 20px;
  }

  .article-list__items {
    grid-template-columns: 1fr;
  }

  .article-tg__cell,
  .article-td__cell {
    padding: 11px 13px;
    font-size: 0.82rem;
  }
}