/* ═══════════════════════════════════════════════════════════
   light-line.css — Landing page for LED strips
   Sections: hero, series cards, scenarios, partner CTA
   (Filter + Calculator use their own modular CSS)
   ═══════════════════════════════════════════════════════════ */

/* ── Fonts ──────────────────────────────────────────────── */

@font-face {
  font-family: "Montserrat";
  src: url("/assets/pages/light-line/landing/assets/fonts/Montserrat-Light.ttf") format("truetype");
  font-weight: 300;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Montserrat";
  src: url("/assets/pages/light-line/landing/assets/fonts/Montserrat-Regular.ttf") format("truetype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Montserrat";
  src: url("/assets/pages/light-line/landing/assets/fonts/Montserrat-SemiBold.ttf") format("truetype");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Montserrat";
  src: url("/assets/pages/light-line/landing/assets/fonts/Montserrat-Bold.ttf") format("truetype");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Roboto";
  src: url("/assets/pages/light-line/landing/assets/fonts/Roboto-Bold.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

/* ── Design tokens ──────────────────────────────────────── */

.datts-light-line {
  overflow-x: hidden;
  --datts-bg: #080a0a;
  --datts-surface: #151718;
  --datts-surface-2: #1c1e1f;
  --datts-panel: #242627;
  --datts-panel-elevated: #292b2c;
  --datts-panel-deep: #1d1f20;
  --datts-line: rgba(255, 255, 255, 0.095);
  --datts-line-strong: rgba(255, 255, 255, 0.13);
  --datts-text: #f7f5ef;
  --datts-muted: #a4a9ad;
  --datts-accent: #ffe096;
  --datts-accent-soft: #fff0c4;
  --datts-radius-xl: 16px;
  --datts-radius-lg: 10px;
  --datts-section-pad: 36px;
  --datts-section-gap: 77px;
  --datts-font: "Montserrat", Arial, sans-serif;
  --datts-font-heading: "Roboto", Arial, sans-serif;

  --text: var(--datts-text);
  --muted: var(--datts-muted);
  --accent: var(--datts-accent);
  --accent-soft: rgba(255, 224, 150, 0.08);
  --accent-hover: var(--datts-accent-soft);
  --line: var(--datts-line);
  --line-strong: var(--datts-line-strong);

  background: radial-gradient(circle at 50% -20%, rgba(255, 224, 150, 0.045), transparent 38%), var(--datts-bg);
  color: var(--datts-text);
  font-family: var(--datts-font);
  -webkit-font-smoothing: antialiased;
}

/* ── Layout utilities ───────────────────────────────────── */

.datts-light-line .ll-section-container {
  width: min(1180px, calc(100% - 48px));
  min-width: 0;
  margin-inline: auto;
}

.datts-light-line .ll-section-heading {
  max-width: 1100px;
}

.datts-light-line .ll-section-lead {
  margin: 16px 0 50px 0;
  color: var(--datts-muted);
  font-size: 20px;
  line-height: 1.55;
  font-weight: 400;
  text-transform: uppercase;
}

.datts-light-line .ll-section-title {
  margin: 0;
  font-family: var(--datts-font-heading);
  font-size: clamp(42px, 5.25vw, 60px);
  font-weight: 700;
  line-height: 0.97;
  letter-spacing: -0.045em;
  text-transform: uppercase;
}

.datts-light-line .ll-sections > section,
.datts-light-line .ll-sections > div {
  margin-bottom: var(--datts-section-gap);
}

.datts-light-line .visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

/* ── Hero ───────────────────────────────────────────────── */

.ll-hero {
  position: relative;
  isolation: isolate;
  min-height: 620px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--datts-radius-xl);
  background: #030303;
  box-shadow: 0 20px 70px rgba(0, 0, 0, 0.34);
}

.ll-hero__media,
.ll-hero__media img,
.ll-hero__shade {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.ll-hero__media {
  z-index: -3;
  margin: 0;
  overflow: hidden;
  background: #000;
}

.ll-hero__media img {
  display: block;
  object-fit: cover;
  object-position: right;
}

.ll-hero__shade {
  z-index: -2;
  display: block;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(0,0,0,.6) 0%, rgba(0,0,0,.6) 28%, rgba(0,0,0,.2) 40%, rgba(0,0,0,.01) 68%, transparent 64%),
    linear-gradient(180deg, rgba(0,0,0,.08), rgba(0,0,0,.16));
}

.ll-hero__container {
  min-height: inherit;
  display: flex;
  align-items: center;
}

.ll-hero__content {
  width: min(560px, 49%);
  padding-block: 34px;
}

.ll-hero__title {
  color: #fff;
  margin: 0 0 12px;
  max-width: 620px;
  font-family: var(--datts-font-heading);
  font-size: clamp(36px, 3.4vw, 52px);
  line-height: 1.05;
  font-weight: 800;
  letter-spacing: -0.045em;
  text-transform: uppercase;
  text-wrap: balance;
}

.ll-hero__text {
  margin: 0;
  max-width: 560px;
  color: #d2d2d2;
  font-size: clamp(14px, 1.25vw, 17px);
  line-height: 1.52;
  font-weight: 400;
}

.ll-hero__button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 11px;
  min-height: 48px;
  margin-top: 20px;
  padding: 12px 22px;
  border: 1px solid var(--datts-accent);
  border-radius: 8px;
  background: var(--datts-accent);
  color: #17130a;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  box-shadow: 0 10px 28px rgba(255, 224, 150, 0.12);
  transition: color 180ms ease, background-color 180ms ease, transform 180ms ease;
}

.ll-hero__button:hover,
.ll-hero__button:focus-visible {
  background: var(--datts-accent-soft);
  color: #17130a;
  transform: translateY(-1px);
}

.ll-hero__button:focus-visible {
  outline: 3px solid rgba(255, 224, 150, 0.35);
  outline-offset: 4px;
}

.ll-hero__button-icon {
  width: 21px;
  height: 21px;
  flex: 0 0 auto;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* ── Series cards ───────────────────────────────────────── */

.ll-series {
  padding: 74px 0 0;
  border-top: 1px solid var(--datts-line);
  scroll-margin-top: 90px;
}

.ll-series__header {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(280px, .65fr);
  gap: 56px;
  align-items: end;
  margin-bottom: 34px;
}

.ll-series__header h2 {
  margin: 12px 0 0;
  font-size: clamp(32px, 4vw, 54px);
  line-height: 1.02;
  letter-spacing: -0.045em;
  text-transform: none;
}

.ll-series__header > p {
  margin: 0;
  color: var(--datts-muted);
  line-height: 1.65;
  font-size: 18px;
  text-transform: none;
}

.ll-series__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(30px, 3.5vw, 44px) clamp(20px, 2.5vw, 30px);
}

.ll-card {
  display: flex;
  min-width: 0;
  overflow: hidden;
  flex-direction: column;
  border: 0;
  border-radius: 26px;
  background: linear-gradient(180deg, #080909 0%, #050606 58%, #070808 100%);
  box-shadow: 0 18px 52px rgba(0, 0, 0, 0.28);
  transition: transform 220ms ease, box-shadow 220ms ease;
  text-decoration: none;
  color: inherit;
}

.ll-card:hover {
  box-shadow: 0 24px 62px rgba(0, 0, 0, 0.42);
  transform: translateY(-3px);
}

.ll-card__media {
  position: relative;
  aspect-ratio: 1.38;
  overflow: hidden;
  background: #030404;
}

.ll-card__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 42%, rgba(5,6,6,.12) 58%, rgba(5,6,6,.92) 92%, #050606 100%);
  pointer-events: none;
}

.ll-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 420ms ease, filter 420ms ease;
}

.ll-card:hover .ll-card__media img {
  transform: scale(1.025);
  filter: brightness(1.08);
}

.ll-card__body {
  position: relative;
  z-index: 1;
  display: flex;
  flex: 1;
  flex-direction: column;
  margin-top: -40px;
  padding: 0 10px 22px;
}

.ll-card__label {
  margin: 0 0 10px;
  color: var(--datts-accent);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.ll-card__title {
  margin: 0;
  color: var(--datts-text);
  font-size: clamp(25px, 2.15vw, 31px);
  font-weight: 650;
  line-height: 1.06;
  letter-spacing: -0.035em;
}

.ll-card__description {
  min-height: 64px;
  margin: 13px 0 21px;
  color: var(--datts-muted);
  font-size: 14px;
  line-height: 1.52;
}

.ll-card__footer {
  display: flex;
  align-items: flex-end;
  gap: 10px;
  margin-top: auto;
}

.ll-card__specs {
  display: flex;
  min-width: 0;
  flex: 1;
  align-items: flex-end;
  justify-content: flex-start;
  gap: 12px;
}

.ll-spec {
  display: flex;
  width: max-content;
  min-width: max-content;
  min-height: 61px;
  flex: 0 0 auto;
  align-items: center;
  justify-content: flex-end;
  flex-direction: column;
  gap: 7px;
  padding: 0 2px;
  text-align: center;
}

.ll-spec svg {
  width: 28px;
  height: 28px;
  fill: none;
  stroke: #e3e1dc;
  stroke-width: 1.55;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.ll-spec span {
  display: block;
  color: #d8d6d1;
  font-size: 12px;
  line-height: 1.28;
  white-space: nowrap;
}

.ll-card__arrow {
  display: grid;
  width: 52px;
  height: 52px;
  flex: 0 0 52px;
  align-items: center;
  justify-content: center;
  padding: 0;
  border: 1px solid var(--datts-accent);
  border-radius: 50%;
  background: transparent;
  color: var(--datts-accent);
  text-decoration: none;
  transition: background-color 180ms ease, transform 180ms ease;
}

.ll-card__arrow:hover,
.ll-card__arrow:focus-visible {
  background: rgba(255, 224, 150, 0.08);
  color: var(--datts-accent-soft);
  transform: translateX(3px);
}

.ll-card__arrow:focus-visible {
  outline: 2px solid var(--datts-accent);
  outline-offset: 4px;
}

.ll-card__arrow svg {
  width: 27px;
  height: 27px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.9;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.datts-light-line .comparison-grid--cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(30px, 3.5vw, 44px) clamp(20px, 2.5vw, 30px);
}

.datts-light-line .comparison-grid--cards .led-card {
  display: flex;
  min-width: 0;
  overflow: hidden;
  flex-direction: column;
  border: 0;
  border-radius: 26px;
  background: linear-gradient(180deg, #080909 0%, #050606 58%, #070808 100%);
  box-shadow: 0 18px 52px rgba(0, 0, 0, 0.28);
  transition: transform 220ms ease, box-shadow 220ms ease;
  text-decoration: none;
  color: inherit;
}

.datts-light-line .comparison-grid--cards .led-card:hover {
  box-shadow: 0 24px 62px rgba(0, 0, 0, 0.42);
  transform: translateY(-3px);
}

.datts-light-line .comparison-grid--cards .led-card__media {
  position: relative;
  aspect-ratio: 1.38;
  overflow: hidden;
  background: #030404;
}

.datts-light-line .comparison-grid--cards .led-card__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 42%, rgba(5, 6, 6, 0.12) 58%, rgba(5, 6, 6, 0.92) 92%, #050606 100%);
  pointer-events: none;
}

.datts-light-line .comparison-grid--cards .led-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 420ms ease, filter 420ms ease;
}

.datts-light-line .comparison-grid--cards .led-card:hover .led-card__media img {
  transform: scale(1.025);
  filter: brightness(1.08);
}

.datts-light-line .comparison-grid--cards .led-card__body {
  position: relative;
  z-index: 1;
  display: flex;
  flex: 1;
  flex-direction: column;
  margin-top: -40px;
  padding: 0 10px 22px;
}

.datts-light-line .comparison-grid--cards .led-card__label {
  margin: 0 0 10px;
  color: var(--datts-accent);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.datts-light-line .comparison-grid--cards .led-card__title {
  margin: 0;
  color: var(--datts-text);
  font-size: clamp(25px, 2.15vw, 31px);
  font-weight: 650;
  line-height: 1.06;
  letter-spacing: -0.035em;
}

.datts-light-line .comparison-grid--cards .led-card__description {
  min-height: 64px;
  margin: 13px 0 21px;
  color: var(--datts-muted);
  font-size: 14px;
  line-height: 1.52;
}

.datts-light-line .comparison-grid--cards .led-card__footer {
  display: flex;
  align-items: flex-end;
  gap: 10px;
  margin-top: auto;
}

.datts-light-line .comparison-grid--cards .led-card__specs {
  display: flex;
  min-width: 0;
  flex: 1;
  align-items: flex-end;
  justify-content: flex-start;
  gap: 12px;
}

.datts-light-line .comparison-grid--cards .led-spec {
  display: flex;
  width: max-content;
  min-width: max-content;
  min-height: 61px;
  flex: 0 0 auto;
  align-items: center;
  justify-content: flex-end;
  flex-direction: column;
  gap: 7px;
  padding: 0 2px;
  text-align: center;
}

.datts-light-line .comparison-grid--cards .led-spec svg {
  width: 28px;
  height: 28px;
  fill: none;
  stroke: #e3e1dc;
  stroke-width: 1.55;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.datts-light-line .comparison-grid--cards .led-spec span {
  display: block;
  color: #d8d6d1;
  font-size: 12px;
  line-height: 1.28;
  white-space: nowrap;
}

.datts-light-line .comparison-grid--cards .led-card__arrow {
  display: grid;
  width: 52px;
  height: 52px;
  min-height: 0;
  flex: 0 0 52px;
  align-items: center;
  justify-content: center;
  padding: 0;
  border: 0;
  border-radius: 50%;
  color: #100c05;
  background: var(--datts-accent);
  box-shadow: 0 10px 28px rgba(255, 224, 150, 0.2);
  text-decoration: none;
  transition: background-color 180ms ease, transform 180ms ease;
  margin-left: auto;
}

.datts-light-line .comparison-grid--cards .led-card__arrow:hover,
.datts-light-line .comparison-grid--cards .led-card__arrow:focus-visible {
  color: #100c05;
  background: #f0d58b;
  transform: translateX(3px);
}

.datts-light-line .comparison-grid--cards .led-card__arrow svg {
  width: 27px;
  height: 27px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.9;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* ── Scenarios ──────────────────────────────────────────── */

.ll-scenario {
  width: 100%;
  padding: 28px 0 0;
  overflow: visible;
  border: 0;
  border-radius: 0;
  background: transparent;
}

.ll-scenario__tabs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0;
  margin-top: 24px;
  border-bottom: 1px solid var(--datts-line-strong);
}

.ll-scenario__tab {
  position: relative;
  min-height: 54px;
  padding: 0 12px;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: var(--datts-muted);
  font-size: 20px;
  font-weight: 400;
  line-height: 1.2;
  text-transform: uppercase;
  cursor: pointer;
  transition: color 180ms ease;
}

.ll-scenario__tab::after {
  position: absolute;
  right: 0;
  bottom: -1px;
  left: 0;
  height: 2px;
  background: var(--datts-accent);
  content: "";
  opacity: 0;
  transform: scaleX(0.72);
  transition: opacity 180ms ease, transform 180ms ease;
}

.ll-scenario__tab:hover,
.ll-scenario__tab:focus-visible {
  color: var(--datts-text);
}

.ll-scenario__tab.is-active {
  color: var(--datts-accent);
  font-weight: 500;
}

.ll-scenario__tab.is-active::after {
  opacity: 1;
  transform: scaleX(1);
}

.ll-scenario__tab:focus-visible,
.ll-scenario__apply-preset:focus-visible {
  outline: 2px solid var(--datts-accent);
  outline-offset: 2px;
}

.ll-scenario__panel {
  padding-top: 16px;
}

.ll-scenario__visual {
  position: relative;
  aspect-ratio: 1499 / 319;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--datts-line);
  border-radius: var(--datts-radius-lg);
  background: var(--datts-surface);
}

.ll-scenario__visual::after {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  box-shadow: inset 0 0 44px rgba(0, 0, 0, 0.2);
  pointer-events: none;
  content: "";
}

.ll-scenario__visual-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: opacity 160ms ease, filter 160ms ease;
}

.ll-scenario__panel.is-changing .ll-scenario__visual-image,
.ll-scenario__panel.is-changing .ll-scenario__cards {
  opacity: 0.3;
}

.ll-scenario__cards {
  display: grid;
  grid-template-columns: 0.94fr 1.11fr 1fr;
  gap: 12px;
  margin-top: 12px;
  transition: opacity 160ms ease;
}

.ll-scenario__card {
  min-width: 0;
  min-height: 260px;
  padding: 22px 20px;
  border: 1px solid var(--datts-line);
  border-radius: var(--datts-radius-lg);
  background: transparent;
}

.ll-scenario__card--guide {
  padding: 22px 20px 18px;
  border-color: rgba(255, 224, 150, 0.62);
}

.ll-scenario__card-header {
  display: flex;
  align-items: center;
  gap: 15px;
}

.ll-scenario__icon {
  flex: 0 0 30px;
  width: 30px;
  height: 30px;
  color: var(--datts-accent);
}

.ll-scenario__icon svg {
  width: 100%;
  height: 100%;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.9;
}

.ll-scenario__card-title {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.25;
}

.ll-scenario__points {
  display: grid;
  gap: 14px;
  margin: 19px 0 0;
  padding: 0;
  color: #d3d6d8;
  font-size: 16px;
  line-height: 1.45;
  list-style: none;
}

.ll-scenario__points li {
  position: relative;
  padding-left: 30px;
}

.ll-scenario__points li::before {
  position: absolute;
  top: -1px;
  left: 2px;
  color: var(--datts-accent);
  font-size: 21px;
  line-height: 1;
  content: "\2713";
}

.ll-scenario__guide-kicker {
  margin: 14px 0 0;
  color: var(--datts-accent);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.ll-scenario__guide-title {
  margin: 7px 0 0;
  color: var(--datts-text);
  font-size: 17px;
  font-weight: 600;
  line-height: 1.25;
}

.ll-scenario__guide-params {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin: 13px 0 0;
}

.ll-scenario__guide-params div {
  min-width: 0;
  padding: 8px 10px;
  border: 1px solid var(--datts-line-strong);
  border-radius: 7px;
  background: rgba(255, 255, 255, 0.025);
}

.ll-scenario__guide-params dt {
  color: #8e9598;
  font-size: 10px;
  line-height: 1.2;
}

.ll-scenario__guide-params dd {
  margin: 4px 0 0;
  color: #e5e7e8;
  font-size: 12px;
  line-height: 1.25;
}

.ll-scenario__effect-text {
  margin: 19px 0 0;
  color: #d3d6d8;
  font-size: 16px;
  line-height: 1.55;
}

.ll-scenario__apply-preset {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  width: 100%;
  min-height: 48px;
  margin-top: 13px;
  padding: 0 16px;
  border: 1px solid var(--datts-accent);
  border-radius: 8px;
  background: var(--datts-accent);
  color: #17130a;
  box-shadow: 0 10px 24px rgba(255, 224, 150, 0.1);
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  transition: transform 180ms ease, background-color 180ms ease;
}

.ll-scenario__apply-preset:hover {
  background: var(--datts-accent-soft);
  color: #17130a;
  transform: translateY(-1px);
}

.ll-scenario__apply-arrow {
  font-size: 20px;
  font-weight: 400;
}

.ll-scenario__mobile-toggle {
  display: none;
}

/* ── Partner CTA ────────────────────────────────────────── */

.ll-partner {
  width: 100vw;
  max-width: none;
  margin-inline: calc(50% - 50vw);
}

.ll-partner-cta {
  position: relative;
  isolation: isolate;
  min-height: clamp(580px, 47vw, 680px);
  overflow: hidden;
  background: linear-gradient(90deg, #030404 0%, #050505 100%);
}

.ll-partner-cta::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(2,3,3,.28) 0%, rgba(2,3,3,.12) 40%, transparent 72%),
    linear-gradient(0deg, rgba(0,0,0,.16), transparent 40%);
}

.ll-partner-cta__visual {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.ll-partner-cta__visual img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: left center;
}

.ll-partner-cta__container {
  position: relative;
  z-index: 2;
  min-height: inherit;
  display: flex;
  align-items: center;
}

.ll-partner-cta__content {
  position: relative;
  z-index: 2;
  display: flex;
  width: min(60%, 730px);
  min-height: clamp(580px, 47vw, 680px);
  flex-direction: column;
  justify-content: center;
}

.ll-partner-cta__title-line {
  display: block;
}

.ll-partner-cta__text {
  width: 600px;
  max-width: 670px;
}

.ll-partner-cta__actions {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  gap: 14px;
  width: min(100%, 650px);
}

.ll-partner-cta__button {
  display: inline-flex;
  min-height: 54px;
  align-items: center;
  justify-content: center;
  padding: 14px 22px;
  border: 1px solid var(--datts-accent);
  border-radius: 8px;
  background: transparent;
  color: var(--datts-accent);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  transition: color 180ms ease, background-color 180ms ease, transform 180ms ease;
}

.ll-partner-cta__button:hover,
.ll-partner-cta__button:focus-visible {
  background: rgba(255, 224, 150, 0.08);
  color: var(--datts-accent-soft);
  transform: translateY(-1px);
}

.ll-partner-cta__button--primary {
  background: var(--datts-accent);
  color: #17130a;
}

.ll-partner-cta__button--primary:hover,
.ll-partner-cta__button--primary:focus-visible {
  background: var(--datts-accent-soft);
  color: #17130a;
}

.ll-partner-cta__button:focus-visible {
  outline: 2px solid var(--datts-accent);
  outline-offset: 3px;
}

/* ── Mobile picker CTA ──────────────────────────────────── */

.ll-mobile-picker-cta {
  display: none;
}

.ll-series__mobile-toggle {
  display: none;
}

/* ── Responsive ─────────────────────────────────────────── */

@media (max-width: 1180px) {
  .ll-hero__content { width: 53%; }

  .ll-hero__shade {
    background:
      linear-gradient(90deg, rgba(3,3,3,.99) 0%, rgba(3,3,3,.96) 37%, rgba(3,3,3,.74) 54%, rgba(3,3,3,.1) 77%, rgba(3,3,3,.02) 100%),
      linear-gradient(180deg, transparent, rgba(0,0,0,.18));
  }

  .ll-scenario__cards { grid-template-columns: 1fr 1.18fr; }
  .ll-scenario__card--effect { grid-column: 1 / -1; min-height: 0; }
  .ll-scenario__effect-text { max-width: 920px; }
}

@media (max-width: 960px) {
  .ll-series__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ll-series__header {
    grid-template-columns: 1fr;
    gap: 18px;
  }
  .datts-light-line .comparison-grid--cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 860px) {
  .ll-hero {
    min-height: 620px;
  }

  .ll-hero__shade {
    background:
      linear-gradient(90deg, rgba(3,3,3,.99) 0%, rgba(3,3,3,.94) 46%, rgba(3,3,3,.56) 72%, rgba(3,3,3,.18) 100%),
      linear-gradient(180deg, rgba(3,3,3,.08) 0%, rgba(3,3,3,.78) 100%);
  }

  .ll-hero__container { align-items: flex-end; }
  .ll-hero__content { width: min(610px, 100%); padding-block: 28px; }
  .ll-hero__text { max-width: 610px; }

  .ll-scenario__tabs {
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    overflow-x: auto;
    overscroll-behavior-inline: contain;
    scrollbar-width: none;
    scroll-snap-type: x proximity;
  }
  .ll-scenario__tab { min-width: 160px; font-size: 15px; scroll-snap-align: start; }
  .ll-scenario__tabs::-webkit-scrollbar { display: none; }
  .ll-scenario__visual { aspect-ratio: 16 / 6.8; }
  .ll-scenario__cards { grid-template-columns: 1fr; }
  .ll-scenario__card, .ll-scenario__card--effect { grid-column: auto; min-height: 0; }

  .ll-partner-cta {
    min-height: 760px;
    background: #050606;
  }
  .ll-partner-cta__container { min-height: 760px; align-items: flex-end; }
  .ll-partner-cta::before {
    background:
      linear-gradient(180deg, transparent 0%, rgba(3,4,4,.14) 40%, rgba(3,4,4,.76) 72%, #030404 100%),
      linear-gradient(90deg, rgba(0,0,0,.18), transparent 72%);
  }
  .ll-partner-cta__content { width: 100%; min-height: 0; }
  .ll-partner-cta__content .ll-section-title,
  .ll-partner-cta__text { width: 100%; max-width: 680px; }
}

@media (max-width: 640px) {
  .datts-light-line .ll-sections > section,
  .datts-light-line .ll-sections > div { margin-bottom: 67px; }

  .datts-light-line .ll-section-container { width: min(460px, calc(100% - 32px)); }

  .ll-series__mobile-toggle,
  .ll-scenario__mobile-toggle {
    width: 100%;
    min-height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-top: 24px;
    padding: 10px 18px;
    border: 1px solid var(--datts-accent);
    border-radius: 8px;
    background: transparent;
    color: var(--datts-accent);
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
  }

  .ll-series__mobile-toggle > span:last-child,
  .ll-scenario__mobile-toggle > span:last-child {
    transition: transform 180ms ease;
  }

  .ll-series.is-expanded .ll-series__mobile-toggle > span:last-child,
  .ll-scenario.is-mobile-details-open .ll-scenario__mobile-toggle > span:last-child {
    transform: rotate(180deg);
  }

  .ll-scenario:not(.is-mobile-details-open) .ll-scenario__card--important,
  .ll-scenario:not(.is-mobile-details-open) .ll-scenario__card--effect { display: none; }

  .ll-series__grid { grid-template-columns: 1fr; gap: 58px; }
  .ll-card { border-radius: 22px; }
  .ll-card__description { min-height: 0; }
  .datts-light-line .comparison-grid--cards { grid-template-columns: 1fr; }
  .ll-series__header h2 { font-size: clamp(30px, 8.8vw, 42px); }
  .ll-series__header > p { font-size: 15px; }

  .ll-hero__content { padding-block: 26px; }
  .ll-hero__title { margin-bottom: 10px; font-size: clamp(32px, 10vw, 42px); }
  .ll-hero__text { font-size: 14px; line-height: 1.48; }
  .ll-hero__button { width: 100%; min-height: 50px; margin-top: 18px; }

  .ll-mobile-picker-cta {
    position: fixed;
    right: 16px;
    bottom: max(14px, env(safe-area-inset-bottom));
    z-index: 40;
    min-height: 52px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    padding: 0 20px;
    border: 1px solid var(--datts-accent);
    border-radius: 999px;
    background: var(--datts-accent);
    color: #17130a;
    box-shadow: 0 14px 34px rgba(0, 0, 0, 0.42);
    font-size: 14px;
    font-weight: 700;
    text-decoration: none;
    transition: opacity 180ms ease, transform 180ms ease;
  }

  .ll-mobile-picker-cta.is-hidden {
    opacity: 0;
    pointer-events: none;
    transform: translateY(12px);
  }
}

@media (max-width: 620px) {
  .ll-scenario { padding-top: 22px; }
  .ll-scenario__desktop-break { display: none; }
  .ll-scenario__tabs { margin-top: 20px; }
  .ll-scenario__tab { min-height: 54px; padding-inline: 10px; }
  .ll-scenario__panel { padding-top: 14px; }
  .ll-scenario__visual { aspect-ratio: 4 / 2.15; }
  .ll-scenario__visual-image { object-position: 40% center; }
  .ll-scenario__cards { gap: 12px; margin-top: 12px; }
  .ll-scenario__card { padding: 17px; border-radius: 15px; }
  .ll-scenario__guide-params { grid-template-columns: 1fr; }
  .ll-scenario__apply-preset { width: 100%; min-height: 48px; padding-inline: 14px; text-align: center; }

  .ll-partner-cta { min-height: 740px; }
  .ll-partner-cta__container { min-height: 740px; }
  .ll-partner-cta__actions { grid-template-columns: 1fr; gap: 10px; }
  .ll-partner-cta__button { width: 100%; min-height: 52px; }
}

@media (max-width: 360px) {
  .ll-card__footer { align-items: stretch; flex-direction: column; }
  .ll-card__arrow { align-self: flex-end; }
}

@media (prefers-reduced-motion: reduce) {
  .ll-card, .ll-card__media img, .ll-card__arrow,
  .ll-hero__button, .ll-partner-cta__button { transition: none; }
}