html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--sans);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.5;
  overflow-x: hidden;
}

/* ── BREADCRUMB ── */
.breadcrumb {
  background-color: black;
  padding-top: 70px;
  padding-bottom: 10px;
  padding-left: 56px;
  padding-right: 56px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.bc-item {
  font-family: var(--mono);
  font-size: var(--fs-text);
  letter-spacing: 0.08em;
  color: var(--rule);
  text-decoration: none;
  transition: color 0.2s;
}

.bc-item:hover {
  color: var(--rule);
}

.bc-sep {
  font-family: var(--mono);
  font-size: var(--fs-text);
  color: var(--rule);
}

.bc-current {
  font-family: var(--mono);
  font-size: var(--fs-text);
  letter-spacing: 0.08em;
  color: var(--rule);
}



/* ── HERO ── */
.hero {
  min-height: 100vh;
  background: var(--white);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  overflow: hidden;
  border-bottom: 1px solid var(--rule);
}

.hero-left {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 80px 56px 80px 56px;
  position: relative;
}

.hero-eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--teal);
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 24px;
  opacity: 0;
  animation: fadeUp 0.5s 0.1s forwards;
}

.hero-eyebrow::before {
  content: '';
  width: 28px;
  height: 1px;
  background: var(--teal);
}

.hero-h1 {
  font-family: var(--display);
  font-size: clamp(40px, 4.5vw, 62px);
  font-weight: 700;
  line-height: 1.0;
  color: var(--ink);
  margin-bottom: 20px;
  opacity: 0;
  animation: fadeUp 0.5s 0.2s forwards;
}

.hero-h1 em {
  font-style: italic;
  color: var(--teal);
}

.hero-sub {
  font-size: 16px;
  color: var(--ink-mid);
  line-height: 1.7;
  max-width: 460px;
  margin-bottom: 36px;
  opacity: 0;
  animation: fadeUp 0.5s 0.3s forwards;
}

.hero-ctas {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeUp 0.5s 0.4s forwards;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--teal);
  color: var(--white);
  font-family: var(--sans);
  font-weight: 600;
  font-size: 16px;
  letter-spacing: 0.05em;
  padding: 14px 26px;
  text-decoration: none;
  transition: background 0.2s, transform 0.15s;
}

.btn-primary:hover {
  background: var(--teal-lt);
  transform: translateY(-1px);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--ink);
  font-family: var(--sans);
  font-weight: 600;
  font-size: 16px;
  letter-spacing: 0.05em;
  padding: 14px 26px;
  border: 1.5px solid var(--ink);
  text-decoration: none;
  transition: border-color 0.2s, color 0.2s;
}

.btn-secondary:hover {
  border-color: var(--teal);
  color: var(--teal);
}

.hero-diagram {
  align-self: stretch;
  background: var(--ink);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 28px;
  position: relative;
  overflow: hidden;
  opacity: 0;
  animation: fadeIn 0.7s 0.3s forwards;
}

.hero-diagram::before {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(45deg, transparent, transparent 3px, rgba(10, 107, 82, 0.04) 3px, rgba(10, 107, 82, 0.04) 4px);
}

/* ── SHARED ── */
.section-label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--teal);
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}

.section-label::before {
  content: '';
  width: 20px;
  height: 1px;
  background: var(--teal);
}

.section-title {
  font-family: var(--display);
  font-size: clamp(26px, 2.8vw, 38px);
  font-weight: 700;
  line-height: 1.1;
  color: var(--ink);
}

.section-title em {
  font-style: italic;
  color: var(--teal);
}

/* ── COMPARISON ── */
.argument {
  padding: 80px 56px;
  background: var(--paper);
}

.arg-header {
  margin-bottom: 48px;
}

.comparison {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  background: var(--rule);
  margin-bottom: 0;
}

.compare-col {
  padding: 44px 40px;
  position: relative;
  overflow: hidden;
}

.compare-col.conventional {
  background: var(--white);
}

.compare-col.solar-col {
  background: var(--ink);
}

.compare-col.solar-col::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--teal);
}

.comp-tag {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 24px;
  display: inline-block;
  padding: 5px 12px;
}

.comp-tag.conv-tag {
  color: var(--ink-low);
  background: var(--paper);
  border: 1px solid var(--rule);
}

.comp-tag.solar-tag {
  color: var(--teal-lt);
  background: rgba(10, 107, 82, 0.15);
  border: 1px solid rgba(10, 107, 82, 0.35);
}

.comp-title {
  font-family: var(--display);
  font-size: 28px;
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 10px;
}

.conventional .comp-title {
  color: var(--ink);
}

.solar-col .comp-title {
  color: var(--white);
}

.comp-subtitle {
  font-family: var(--mono);
  font-size: 14px;
  letter-spacing: 0.05em;
  margin-bottom: 24px;
}

.conventional .comp-subtitle {
  color: var(--ink-low);
}

.solar-col .comp-subtitle {
  color: var(--teal-lt);
}

.comp-body {
  font-size: 16px;
  line-height: 1.75;
  margin-bottom: 28px;
}

.conventional .comp-body {
  color: var(--ink-mid);
}

.solar-col .comp-body {
  color: rgba(255, 255, 255, 0.5);
}

.comp-items {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.comp-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-family: var(--mono);
  font-size: 16px;
  line-height: 1.5;
}

.conventional .comp-item {
  color: var(--ink-low);
}

.solar-col .comp-item {
  color: rgba(255, 255, 255, 0.55);
}

.dot-bad {
  width: 6px;
  height: 6px;
  background: var(--rule);
  flex-shrink: 0;
  margin-top: 4px;
}

.dot-good {
  width: 6px;
  height: 6px;
  background: var(--teal-lt);
  flex-shrink: 0;
  margin-top: 4px;
}

/* ── WHERE IT MAKES SENSE ── */
.where {
  padding: 80px 56px;
  background: var(--white);
}

.where-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 48px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--rule);
}

.where-count {
  font-family: var(--mono);
  font-size: 64px;
  font-weight: 500;
  color: var(--rule);
  line-height: 1;
}

.where-grid {
  padding: 20px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  background: var(--rule);
}

.where-card {
  background: var(--white);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  transition: background 0.25s;
}

.where-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--teal);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 2;
}

.where-card:hover::after {
  transform: scaleX(1);
}

.where-card:hover .where-img img {
  transform: scale(1.04);
  filter: grayscale(0%) brightness(1);
}

.where-card:hover .where-body {
  background: var(--teal-bg);
}

.where-img {
  position: relative;
  height: 300px;
  overflow: hidden;
  flex-shrink: 0;
}

.where-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: grayscale(20%) brightness(0.88);
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1), filter 0.4s;
}

.where-img-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 40%, rgba(10, 107, 82, 0.15) 100%);
}

.where-ref {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 1;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--white);
  background: rgba(0, 0, 0, 0.45);
  padding: 3px 8px;
  backdrop-filter: blur(4px);
}

.where-body {
  padding: 28px 28px 32px;
  flex: 1;
  transition: background 0.25s;
}

.where-title {
  font-family: var(--sans);
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 10px;
  line-height: 1.2;
}

.where-desc {
  font-size: 16px;
  color: var(--ink-low);
  line-height: 1.7;
}

/* ── METRICS ── */
.metrics-section {
  background: var(--ink);
  padding: 80px 56px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.met-label {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--teal-lt);
  text-transform: uppercase;
  margin-bottom: 16px;
}

.met-title {
  font-family: var(--display);
  font-size: clamp(26px, 2.5vw, 36px);
  font-weight: 700;
  color: var(--white);
  line-height: 1.1;
  margin-bottom: 16px;
}

.met-title em {
  font-style: italic;
  color: var(--teal-lt);
}

.met-body {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.45);
  line-height: 1.75;
}

.met-property-tag {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.2);
  text-transform: uppercase;
  margin-bottom: 16px;
  display: block;
}

.metrics-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  background: rgba(255, 255, 255, 0.06);
}

.met-tile {
  background: rgba(255, 255, 255, 0.03);
  padding: 28px 24px;
  position: relative;
}

.met-tile::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  background: var(--teal);
  opacity: 0.5;
}

.met-val {
  font-family: var(--mono);
  font-size: 30px;
  font-weight: 500;
  color: var(--white);
  display: block;
  line-height: 1;
  margin-bottom: 6px;
}

.met-val em {
  font-style: normal;
  color: var(--teal-lt);
  font-size: 16px;
}

.met-key {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.3);
  text-transform: uppercase;
}

/* ── CASE STUDY ── */
.proof {
  padding: 80px 56px;
  background: var(--paper);
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  align-items: start;
}

.cs-card {
  background: var(--white);
  border: 1px solid var(--rule);
}

.cs-panel {
  background: var(--ink);
  padding: 36px;
  position: relative;
  overflow: hidden;
  min-height: 220px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.cs-bg {
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(135deg, transparent, transparent 4px, rgba(10, 107, 82, 0.05) 4px, rgba(10, 107, 82, 0.05) 5px), linear-gradient(160deg, #0E1810 0%, #0A1F18 50%, #051510 100%);
}

.cs-badge {
  position: relative;
  z-index: 1;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--teal-lt);
  text-transform: uppercase;
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(10, 107, 82, 0.35);
  padding: 5px 10px;
  display: inline-block;
  align-self: flex-start;
}

.cs-metrics-strip {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  margin: 24px -36px 0;
  padding: 0 36px;
}

.csm {
  padding: 16px 0;
  border-right: 1px solid rgba(255, 255, 255, 0.08);
  padding-right: 16px;
}

.csm:last-child {
  border-right: none;
}

.csm:not(:first-child) {
  padding-left: 16px;
}

.csm-val {
  font-family: var(--mono);
  font-size: 22px;
  color: var(--white);
  display: block;
}

.csm-val em {
  font-style: normal;
  color: var(--teal-lt);
  font-size: 14px;
}

.csm-key {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.3);
  text-transform: uppercase;
}

.cs-body {
  padding: 28px 28px 32px;
}

.cs-loc {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--teal);
  text-transform: uppercase;
  margin-bottom: 10px;
}

.cs-title {
  font-family: var(--display);
  font-size: 20px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 10px;
  line-height: 1.2;
}

.cs-summary {
  font-size: 16px;
  color: var(--ink-mid);
  line-height: 1.7;
  margin-bottom: 20px;
}

.cs-outcomes {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
}

.cs-outcome {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 16px;
  color: var(--ink-mid);
}

.cs-outcome-dot {
  width: 6px;
  height: 6px;
  background: var(--teal);
  flex-shrink: 0;
}

.cs-link {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--teal);
  text-transform: uppercase;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid var(--teal);
  padding-bottom: 2px;
  transition: gap 0.2s;
}

.cs-link:hover {
  gap: 12px;
}

/* Assessment sidebar */
.assessment-card {
  background: var(--ink);
  padding: 36px;
}

.asc-label {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--teal-lt);
  text-transform: uppercase;
  margin-bottom: 16px;
}

.asc-title {
  font-family: var(--display);
  font-size: 22px;
  font-weight: 700;
  color: var(--white);
  line-height: 1.2;
  margin-bottom: 24px;
}

.asc-title em {
  font-style: italic;
  color: var(--teal-lt);
}

.asc-steps {
  display: flex;
  flex-direction: column;
}

.asc-step {
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.asc-step:last-child {
  border-bottom: none;
}

.asc-num {
  width: 32px;
  height: 32px;
  background: rgba(10, 107, 82, 0.15);
  border: 1px solid rgba(10, 107, 82, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  font-size: 14px;
  color: var(--teal-lt);
  flex-shrink: 0;
}

.asc-step-title {
  font-family: var(--sans);
  font-size: 16px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 3px;
}

.asc-step-desc {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.4);
  line-height: 1.6;
}

.asc-cta {
  display: block;
  text-align: center;
  background: var(--teal);
  color: var(--white);
  font-family: var(--sans);
  font-weight: 600;
  font-size: 16px;
  letter-spacing: 0.05em;
  padding: 16px;
  text-decoration: none;
  margin-top: 24px;
  transition: background 0.2s;
}

.asc-cta:hover {
  background: var(--teal-lt);
}

/* ── FAQ ── */
.faq {
  padding: 80px 56px;
  background: var(--white);
}

.faq-header {
  margin-bottom: 40px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--rule);
}

.faq-list {
  display: flex;
  flex-direction: column;
  max-width: 780px;
}

.faq-item {
  border-bottom: 1px solid var(--rule);
}

.faq-item:first-child {
  border-top: 1px solid var(--rule);
}

.faq-q {
  padding: 22px 0;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  cursor: pointer;
}

.faq-q-text {
  font-family: var(--sans);
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.3;
  flex: 1;
}

.faq-toggle {
  font-family: var(--mono);
  font-size: 20px;
  color: var(--teal);
  flex-shrink: 0;
  transition: transform 0.25s;
  line-height: 1;
}

.faq-item.open .faq-toggle {
  transform: rotate(45deg);
}

.faq-a {
  font-size: 16px;
  color: var(--ink-mid);
  line-height: 1.75;
  padding-bottom: 22px;
  display: none;
}

.faq-item.open .faq-a {
  display: block;
}

/* ── CTA ── */
.cta-band {
  padding: 80px 56px;
  background: var(--ink);
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 40px;
}

.cta-band-title {
  font-family: var(--display);
  font-size: clamp(26px, 3vw, 40px);
  font-weight: 700;
  color: var(--white);
  line-height: 1.1;
}

.cta-band-title em {
  font-style: italic;
  color: var(--teal-lt);
}

.cta-band-sub {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.45);
  line-height: 1.6;
  margin-top: 10px;
  max-width: 420px;
}

.cta-group {
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: flex-end;
}

.btn-primary-dark {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--teal);
  color: var(--white);
  font-family: var(--sans);
  font-weight: 600;
  font-size: 16px;
  letter-spacing: 0.05em;
  padding: 16px 28px;
  text-decoration: none;
  white-space: nowrap;
  transition: background 0.2s;
}

.btn-primary-dark:hover {
  background: var(--teal-lt);
}

.btn-outline-dark {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: rgba(255, 255, 255, 0.6);
  font-family: var(--sans);
  font-weight: 600;
  font-size: 16px;
  letter-spacing: 0.05em;
  padding: 16px 28px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  text-decoration: none;
  white-space: nowrap;
  transition: border-color 0.2s, color 0.2s;
}

.btn-outline-dark:hover {
  border-color: var(--teal-lt);
  color: var(--white);
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(16px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

@keyframes flow {
  0% {
    stroke-dashoffset: 24;
  }

  100% {
    stroke-dashoffset: 0;
  }
}

.flow-line {
  stroke-dasharray: 6 4;
  animation: flow 1.4s linear infinite;
}

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s, transform 0.6s;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.rd1 {
  transition-delay: 0.1s;
}

.rd2 {
  transition-delay: 0.2s;
}

@media (max-width:1024px) {

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

  .hero-left {
    padding-bottom: 70px 0px;
  }

  .hero-diagram {
    min-height: 280px;
  }

  .argument {
    padding: 60px 32px;
  }

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

  .where {
    padding: 60px 32px;
  }

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

  .metrics-section {
    grid-template-columns: 1fr;
    padding: 60px 32px;
    gap: 40px;
  }

  .proof {
    grid-template-columns: 1fr;
    padding: 60px 32px;
  }

  .faq {
    padding: 60px 32px;
  }

  .cta-band {
    grid-template-columns: 1fr;
    padding: 60px 32px;
  }

  .cta-group {
    align-items: flex-start;
  }
}

@media (max-width:640px) {

  .hero-left {
    padding: 48px 20px;
  }

  .hero {
    padding: 0px;
  }

  .argument,
  .where,
  .metrics-section,
  .proof,
  .faq,
  .cta-band {
    padding-left: 20px;
    padding-right: 20px;
  }

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