:root {
  --mm-bg: #F4F5F7;
  --mm-surface: #FFFFFF;
  --mm-tint: #EAECEF;
  --mm-ink: #0F1115;
  --mm-ink-soft: #2E3440;
  --mm-muted: #5E6778;
  --mm-rule: #0F1115;
  --mm-rule-soft: #CBD0DA;
  --mm-obi-red: #E60012;
  --mm-cobalt: #0033CC;
  --mm-cobalt-hover: #002499;
  --mm-sans: 'Inter', 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --mm-mono: 'IBM Plex Mono', ui-monospace, 'Cascadia Code', Consolas, monospace;
}

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

html {
  scroll-behavior: smooth;
  background: var(--mm-bg);
  color: var(--mm-ink);
}

body.mm-poster-body {
  background: var(--mm-bg);
  color: var(--mm-ink);
  font-family: var(--mm-sans);
  line-height: 1.58;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

::selection {
  background: var(--mm-cobalt);
  color: #FFFFFF;
}

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

/* ─── SHELL WITH LEFT VERTICAL RED OBI-STRIP ─── */
.mm-shell {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr);
  min-height: 100vh;
}

.mm-obi-rail {
  background: var(--mm-obi-red);
  color: #FFFFFF;
  border-inline-end: 2px solid var(--mm-rule);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  padding: 24px 0;
  position: sticky;
  top: 0;
  height: 100vh;
  z-index: 40;
  user-select: none;
}

.mm-obi-rail__top {
  font-family: var(--mm-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  background: #0F1115;
  color: #FFFFFF;
  padding: 6px 8px;
}

.mm-obi-rail__vertical {
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  font-family: var(--mm-mono);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  white-space: nowrap;
}

.mm-obi-rail__bottom {
  font-family: var(--mm-mono);
  font-size: 12px;
  font-weight: 800;
  background: var(--mm-cobalt);
  color: #FFFFFF;
  padding: 6px 8px;
}

.mm-content-col {
  min-width: 0;
}

.mm-container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 32px;
}

/* ─── TOP HEADER ─── */
.mm-header {
  background: rgba(244, 245, 247, 0.94);
  backdrop-filter: blur(8px);
  border-bottom: 2px solid var(--mm-rule);
  position: sticky;
  top: 0;
  z-index: 35;
}

.mm-header__inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 14px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.mm-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.mm-brand__tag {
  font-family: var(--mm-mono);
  font-size: 11.5px;
  font-weight: 700;
  background: var(--mm-obi-red);
  color: #FFFFFF;
  padding: 4px 9px;
}

.mm-brand__name {
  font-weight: 900;
  font-size: 19px;
  letter-spacing: -0.03em;
}

.mm-brand__model {
  font-family: var(--mm-mono);
  font-size: 12.5px;
  font-weight: 700;
  color: var(--mm-cobalt);
}

.mm-nav {
  display: flex;
  align-items: center;
  gap: 20px;
  font-family: var(--mm-mono);
  font-size: 12px;
  font-weight: 600;
}

.mm-nav a:hover {
  color: var(--mm-cobalt);
}

.mm-header__actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.mm-lang-select {
  font-family: var(--mm-mono);
  font-size: 12px;
  font-weight: 700;
  background: var(--mm-surface);
  color: var(--mm-ink);
  border: 2px solid var(--mm-rule);
  padding: 7px 10px;
  cursor: pointer;
}

.mm-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mm-sans);
  font-weight: 800;
  font-size: 14px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  padding: 14px 24px;
  border: 2px solid var(--mm-rule);
  cursor: pointer;
  transition: background 0.14s ease, color 0.14s ease, transform 0.14s ease;
}

.mm-btn--sm {
  padding: 8px 16px;
  font-size: 12px;
  background: var(--mm-cobalt);
  color: #FFFFFF;
  border-color: var(--mm-cobalt);
}

.mm-btn--cobalt {
  background: var(--mm-cobalt);
  color: #FFFFFF;
  border-color: var(--mm-cobalt);
}

.mm-btn--cobalt:hover,
.mm-btn--sm:hover {
  background: var(--mm-cobalt-hover);
  transform: translateY(-1px);
}

.mm-btn--outline {
  background: var(--mm-surface);
  color: var(--mm-ink);
}

.mm-btn--outline:hover {
  border-color: var(--mm-cobalt);
  color: var(--mm-cobalt);
}

/* ─── HERO POSTER SECTION ─── */
.mm-hero {
  padding: 48px 0 56px;
  border-bottom: 2px solid var(--mm-rule);
}

.mm-hero__kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
  flex-wrap: wrap;
}

.mm-hero__kicker-code {
  font-family: var(--mm-mono);
  font-size: 11.5px;
  font-weight: 700;
  background: var(--mm-ink);
  color: #FFFFFF;
  padding: 4px 10px;
}

.mm-hero__kicker-badge {
  font-family: var(--mm-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--mm-obi-red);
  text-transform: uppercase;
}

.mm-hero__title {
  font-size: clamp(36px, 5.2vw, 68px);
  font-weight: 900;
  line-height: 0.98;
  letter-spacing: -0.035em;
  text-transform: uppercase;
  max-width: 18ch;
  margin-bottom: 20px;
}

.mm-hero__lead {
  font-size: clamp(17px, 1.9vw, 21px);
  line-height: 1.52;
  color: var(--mm-ink-soft);
  max-width: 68ch;
  margin-bottom: 34px;
}

/* ─── FLAT GRAPHIC MODEL SCALE BAR (AS IN DESIGN 3) ─── */
.mm-scale-strip {
  background: var(--mm-surface);
  border: 2px solid var(--mm-rule);
  padding: 26px 28px;
  margin-bottom: 28px;
}

.mm-scale-strip__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.mm-scale-strip__step {
  font-size: clamp(22px, 2.8vw, 34px);
  font-weight: 900;
  letter-spacing: -0.03em;
}

.mm-scale-strip__arrow {
  flex: 1;
  min-width: 40px;
  height: 2px;
  background: var(--mm-rule);
  position: relative;
}

.mm-scale-strip__highlight {
  background: var(--mm-cobalt);
  color: #FFFFFF;
  padding: 12px 24px;
  font-size: clamp(20px, 2.5vw, 30px);
  font-weight: 900;
  letter-spacing: -0.02em;
}

.mm-scale-strip__ruler {
  border-top: 2px solid var(--mm-rule);
  padding-top: 10px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  font-family: var(--mm-mono);
  font-size: 12px;
  color: var(--mm-ink-soft);
}

.mm-scale-strip__ruler strong {
  display: block;
  color: var(--mm-ink);
  font-size: 13px;
}

/* ─── 3-CARD MODEL SELECTOR BAR (AS IN DESIGN 3) ─── */
.mm-selector-label {
  font-family: var(--mm-mono);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--mm-ink-soft);
  margin-bottom: 10px;
}

.mm-selector-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr) auto;
  gap: 12px;
  align-items: stretch;
  margin-bottom: 24px;
}

.mm-model-tab {
  background: var(--mm-surface);
  border: 2px solid var(--mm-rule-soft);
  border-radius: 6px;
  padding: 16px 18px;
  text-align: start;
  cursor: pointer;
  transition: border-color 0.14s, background 0.14s;
}

.mm-model-tab.is-active,
.mm-model-tab:hover {
  border-color: var(--mm-rule);
  background: #FFFFFF;
}

.mm-model-tab__name {
  display: block;
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--mm-ink);
}

.mm-model-tab__rate {
  display: block;
  font-family: var(--mm-mono);
  font-size: 14.5px;
  font-weight: 700;
  color: var(--mm-cobalt);
  margin-top: 4px;
}

.mm-model-tab__tag {
  display: block;
  font-size: 12px;
  color: var(--mm-muted);
  margin-top: 4px;
}

/* ─── LIVE MODEL INSPECTOR READOUT ─── */
.mm-inspector {
  background: var(--mm-surface);
  border: 2px solid var(--mm-rule);
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.mm-inspector__body {
  flex: 1;
  min-width: 260px;
}

.mm-inspector__meta {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 6px;
  font-family: var(--mm-mono);
  font-size: 12px;
  font-weight: 700;
}

.mm-inspector__code {
  color: var(--mm-obi-red);
}

.mm-inspector__specs {
  color: var(--mm-cobalt);
}

.mm-inspector__prompt {
  font-family: var(--mm-mono);
  font-size: 13.5px;
  color: var(--mm-ink);
}

.mm-copy-btn {
  font-family: var(--mm-mono);
  font-size: 12px;
  font-weight: 700;
  padding: 10px 16px;
  background: var(--mm-ink);
  color: #FFFFFF;
  border: none;
  cursor: pointer;
}

.mm-copy-btn:hover {
  background: var(--mm-obi-red);
}

/* ─── SECTIONS ─── */
.mm-section {
  padding: 64px 0;
  border-bottom: 2px solid var(--mm-rule);
}

.mm-section--tinted {
  background: var(--mm-tint);
}

.mm-section__head {
  max-width: 820px;
  margin-bottom: 34px;
}

.mm-section__index {
  display: inline-block;
  font-family: var(--mm-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--mm-obi-red);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
}

.mm-section__title {
  font-size: clamp(26px, 3.6vw, 42px);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.08;
  margin-bottom: 12px;
}

.mm-section__lead {
  font-size: 16.5px;
  color: var(--mm-ink-soft);
}

/* ─── 3-MODEL LINEUP CARDS ─── */
.mm-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.mm-card {
  background: var(--mm-surface);
  border: 2px solid var(--mm-rule);
  padding: 26px 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.mm-card__top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 12px;
  margin-bottom: 14px;
  border-bottom: 2px solid var(--mm-rule);
  font-family: var(--mm-mono);
  font-size: 11.5px;
  font-weight: 700;
}

.mm-card__badge {
  background: var(--mm-cobalt);
  color: #FFFFFF;
  padding: 2px 8px;
}

.mm-card__title {
  font-size: 21px;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 10px;
}

.mm-card__desc {
  font-size: 14.5px;
  color: var(--mm-ink-soft);
  margin-bottom: 18px;
}

.mm-card__foot {
  padding-top: 12px;
  border-top: 1px solid var(--mm-rule-soft);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--mm-mono);
  font-size: 12px;
  font-weight: 700;
}

.mm-card__link {
  color: var(--mm-cobalt);
}

/* ─── INTERACTIVE CALCULATOR ─── */
.mm-calc {
  background: var(--mm-surface);
  border: 2px solid var(--mm-rule);
  padding: 28px;
  display: grid;
  grid-template-columns: 1.35fr 0.65fr;
  gap: 28px;
  align-items: center;
  margin-bottom: 28px;
}

.mm-calc__group + .mm-calc__group {
  margin-top: 18px;
}

.mm-calc__label {
  display: block;
  font-family: var(--mm-mono);
  font-size: 11.5px;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.mm-calc__switch {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 8px;
}

.mm-calc-btn {
  text-align: start;
  padding: 11px 13px;
  background: var(--mm-bg);
  border: 2px solid var(--mm-rule-soft);
  cursor: pointer;
  font-family: var(--mm-sans);
}

.mm-calc-btn strong {
  display: block;
  font-size: 13.5px;
  font-weight: 800;
}

.mm-calc-btn small {
  display: block;
  font-size: 11.5px;
  color: var(--mm-muted);
  margin-top: 2px;
}

.mm-calc-btn.is-active {
  background: var(--mm-ink);
  color: #FFFFFF;
  border-color: var(--mm-ink);
}

.mm-calc-btn.is-active small {
  color: #CBD0DA;
}

.mm-calc__readout {
  background: var(--mm-cobalt);
  color: #FFFFFF;
  padding: 28px 22px;
  text-align: center;
}

.mm-calc__caption {
  display: block;
  font-family: var(--mm-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  opacity: 0.9;
}

.mm-calc__price {
  display: block;
  font-family: var(--mm-mono);
  font-size: clamp(38px, 4.5vw, 54px);
  font-weight: 800;
  margin: 8px 0 6px;
}

.mm-calc__sub {
  display: block;
  font-size: 12.5px;
  margin-bottom: 18px;
  opacity: 0.92;
}

.mm-calc__cta {
  background: #FFFFFF;
  color: var(--mm-ink);
  border-color: #FFFFFF;
  width: 100%;
}

.mm-calc__cta:hover {
  background: var(--mm-obi-red);
  color: #FFFFFF;
  border-color: var(--mm-obi-red);
}

.mm-steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.mm-step-card {
  background: var(--mm-surface);
  border: 2px solid var(--mm-rule);
  padding: 20px;
}

.mm-step-card__num {
  font-family: var(--mm-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--mm-obi-red);
  margin-bottom: 6px;
}

/* ─── COMPARISON TABLE ─── */
.mm-table-wrap {
  overflow-x: auto;
  border: 2px solid var(--mm-rule);
  background: var(--mm-surface);
}

.mm-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 740px;
}

.mm-table th,
.mm-table td {
  padding: 14px 16px;
  border: 1px solid var(--mm-rule);
  text-align: start;
  font-size: 14px;
  vertical-align: top;
}

.mm-table thead th {
  background: var(--mm-ink);
  color: #FFFFFF;
  font-family: var(--mm-mono);
  font-size: 12px;
  text-transform: uppercase;
}

.mm-table thead th.is-highlighted {
  background: var(--mm-cobalt);
}

.mm-table tbody td.is-highlighted {
  background: rgba(0, 51, 204, 0.06);
  font-weight: 700;
}

.mm-crosslinks {
  margin-top: 26px;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.mm-crosslinks__label {
  font-family: var(--mm-mono);
  font-size: 12px;
  font-weight: 700;
}

.mm-crosslinks__list {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.mm-crosslinks__item {
  font-family: var(--mm-mono);
  font-size: 12px;
  font-weight: 700;
  padding: 7px 13px;
  background: var(--mm-surface);
  border: 1.5px solid var(--mm-rule);
}

.mm-crosslinks__item:hover {
  background: var(--mm-cobalt);
  color: #FFFFFF;
  border-color: var(--mm-cobalt);
}

/* ─── FAQ & FOOTER ─── */
.mm-faq-list {
  max-width: 900px;
  display: grid;
  gap: 12px;
}

.mm-faq-item {
  background: var(--mm-surface);
  border: 2px solid var(--mm-rule);
}

.mm-faq-item__q {
  cursor: pointer;
  padding: 16px 20px;
  font-weight: 800;
  font-size: 16px;
  list-style: none;
  display: flex;
  gap: 12px;
  align-items: baseline;
}

.mm-faq-item__q::-webkit-details-marker {
  display: none;
}

.mm-faq-item__idx {
  font-family: var(--mm-mono);
  font-size: 12px;
  color: var(--mm-obi-red);
}

.mm-faq-item__a {
  padding: 0 20px 18px 50px;
  font-size: 14.5px;
  color: var(--mm-ink-soft);
}

.mm-final {
  padding: 64px 0;
}

.mm-final__box {
  background: var(--mm-ink);
  color: #FFFFFF;
  border-inline-start: 10px solid var(--mm-obi-red);
  padding: 44px 36px;
}

.mm-final__meta {
  font-family: var(--mm-mono);
  font-size: 12px;
  color: #FF6B78;
  margin-bottom: 10px;
}

.mm-final__title {
  font-size: clamp(26px, 3.6vw, 42px);
  font-weight: 900;
  line-height: 1.08;
  margin-bottom: 12px;
}

.mm-final__lead {
  color: #D0D5E0;
  max-width: 68ch;
  margin-bottom: 24px;
}

.mm-final__actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.mm-footer {
  border-top: 2px solid var(--mm-rule);
  background: var(--mm-surface);
  padding: 26px 0;
  font-size: 13px;
}

.mm-footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.mm-footer__nav {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  font-family: var(--mm-mono);
  font-size: 12px;
}

@media (max-width: 980px) {
  .mm-shell {
    grid-template-columns: 1fr;
  }
  .mm-obi-rail {
    position: static;
    height: auto;
    flex-direction: row;
    padding: 10px 20px;
    border-inline-end: none;
    border-bottom: 2px solid var(--mm-rule);
  }
  .mm-obi-rail__vertical {
    writing-mode: horizontal-tb;
    transform: none;
    font-size: 12px;
  }
  .mm-selector-row,
  .mm-cards-grid,
  .mm-steps-grid,
  .mm-calc {
    grid-template-columns: 1fr;
  }
  .mm-scale-strip__ruler {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .mm-container,
  .mm-header__inner {
    padding-inline: 16px;
  }
  .mm-nav {
    display: none;
  }
  .mm-scale-strip__ruler {
    grid-template-columns: 1fr;
  }
}