/* =============================================================
   Velon Energy — landing.css
   Additions / overrides for the v2 landing page only.
   Loaded after styles.css.
   ============================================================= */

/* ---- SVG wordmark logo ---- */
.logo-svg { display: inline-flex; align-items: center; color: var(--text); }
.logo-wordmark {
  display: block;
  height: 28px;
  width: auto;
}
.ft-logo { height: 32px; width: auto; margin-bottom: 22px; }
.ft-logo-link { display: inline-block; }

@media (max-width: 640px) {
  .logo-wordmark { height: 24px; width: auto; }
}

/* ---- Nav overlay — fully hidden when not open (fixes header bleed-through) ---- */
.nav-overlay {
  visibility: hidden;
  pointer-events: none;
  transition: transform 0.55s var(--ease), visibility 0s linear 0.55s;
}
.nav-overlay.open {
  visibility: visible;
  pointer-events: auto;
  transition: transform 0.55s var(--ease), visibility 0s linear 0s;
}

.nav-foot {
  align-items: center;
}
.nav-foot .col { display: inline-flex; align-items: center; }

/* ---- Hero v2 — universe canvas ---- */
.hero-v2 {
  position: relative;
  min-height: clamp(640px, 96vh, 980px);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
  display: flex;
  align-items: center;
  isolation: isolate;
  background: var(--ink);
}
.hero-canvas-v2 {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  z-index: 0;
}
.hero-scrim-v2 {
  position: absolute; inset: 0; z-index: 1;
  background:
    radial-gradient(75% 100% at 12% 55%, rgba(11,17,24,0.85) 0%, rgba(11,17,24,0.5) 40%, rgba(11,17,24,0.1) 75%, rgba(11,17,24,0) 100%),
    linear-gradient(180deg, rgba(11,17,24,0.20) 0%, rgba(11,17,24,0) 25%, rgba(11,17,24,0) 70%, rgba(11,17,24,0.45) 100%);
  pointer-events: none;
}
.hero-v2-inner { position: relative; z-index: 2; width: 100%; }

/* Reduced top padding — eyebrow sits closer to header */
.hero-v2-content {
  max-width: 820px;
  padding: clamp(40px, 6vw, 80px) 0 clamp(60px, 10vw, 120px);
}

.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 12px;
  font-family: var(--font-mono);
  font-size: 11px; letter-spacing: 0.24em; text-transform: uppercase;
  color: var(--text-mute);
  padding: 8px 14px 8px 10px;
  border: 1px solid var(--line-2);
  border-radius: 999px;
  background: rgba(11,17,24,0.45);
  backdrop-filter: blur(8px);
  margin-bottom: 28px;
}
.hero-eyebrow .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 10px var(--signal);
  animation: pulse 2s var(--ease) infinite;
}

.hero-v2-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(42px, 5.6vw, 86px);
  line-height: 1.02;
  letter-spacing: -0.022em;
  color: var(--text);
  margin: 0 0 28px;
}
.hero-v2-title em {
  font-style: italic;
  color: var(--copper-hi);
}

.hero-v2-lede {
  font-family: var(--font-sans);
  font-size: clamp(17px, 1.4vw, 21px);
  line-height: 1.55;
  color: var(--text-mute);
  max-width: 72ch;
  font-weight: 300;
  margin-bottom: 44px;
}

.hero-v2-lede em {
  font-style: normal;
  color: var(--text);
  font-weight: 500;
}

.hero-v2-ctas {
  display: flex; flex-wrap: wrap; gap: 14px;
}

/* Scroll hint */
.scroll-hint {
  position: absolute;
  bottom: 28px; left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  font-family: var(--font-mono);
  font-size: 10px; letter-spacing: 0.3em; text-transform: uppercase;
  color: var(--text-dim);
  transition: color 0.3s var(--ease);
}
.scroll-hint:hover { color: var(--copper-hi); }
.scroll-hint .sh-line {
  display: block;
  width: 1px; height: 36px;
  background: linear-gradient(180deg, currentColor 0%, transparent 100%);
  position: relative;
  overflow: hidden;
}
.scroll-hint .sh-line::after {
  content: '';
  position: absolute; top: -16px; left: 0; right: 0;
  height: 16px;
  background: linear-gradient(180deg, transparent 0%, var(--copper-hi) 100%);
  animation: scrollPulse 2.4s var(--ease) infinite;
}
@keyframes scrollPulse {
  0%   { transform: translateY(0); opacity: 0; }
  20%  { opacity: 1; }
  80%  { opacity: 1; }
  100% { transform: translateY(56px); opacity: 0; }
}

/* ---- Streams v2 ---- */
.streams-v2 { background: var(--ink); }
.streams-head {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(30px, 5vw, 80px);
  align-items: end;
  margin-bottom: clamp(50px, 7vw, 90px);
}
.streams-head h2 em { color: var(--copper-hi); font-style: italic; }
.section-white .streams-head h2 em { color: var(--copper-dk); }
.streams-head .lede { margin-top: 0; }

@media (max-width: 880px) {
  .streams-head { grid-template-columns: 1fr; align-items: start; }
}

/* Stream cards */
.stream-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}
.stream-card {
  position: relative;
  display: flex; flex-direction: column;
  background: var(--ink-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: clamp(26px, 2.6vw, 36px);
  overflow: hidden;
  transition: border-color 0.4s var(--ease), background 0.4s var(--ease), transform 0.4s var(--ease);
  color: var(--text);
}
.stream-card:hover {
  border-color: var(--copper);
  background: var(--ink-3);
  transform: translateY(-3px);
}
.stream-card::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(60% 80% at 100% 0%, rgba(201,123,61,0.10), transparent 60%);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.4s var(--ease);
}
.stream-card:hover::before { opacity: 1; }

.stream-card header {
  display: flex; justify-content: space-between; align-items: center;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 18px;
  position: relative; z-index: 1;
}
.stream-card .sc-num { color: var(--copper-hi); font-weight: 500; }
.stream-card .sc-tag { color: var(--text-dim); }

.stream-card .sc-visual {
  width: 100%;
  aspect-ratio: 16 / 7;
  background: linear-gradient(180deg, rgba(11,17,24,0.55), rgba(11,17,24,0.85));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  margin-bottom: 24px;
  overflow: hidden;
  position: relative;
}
.stream-card .sc-visual svg { width: 100%; height: 100%; display: block; }
.stream-card .sc-visual::after {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 20px 20px;
  mix-blend-mode: screen;
  pointer-events: none;
}

.stream-card h3 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(26px, 2.2vw, 34px);
  line-height: 1.05;
  letter-spacing: -0.015em;
  color: var(--text);
  margin: 0 0 14px;
  position: relative; z-index: 1;
}
.stream-card p {
  color: var(--text-mute);
  font-size: 15px;
  line-height: 1.6;
  margin: 0;
  position: relative; z-index: 1;
}
.stream-card p em { font-style: italic; color: var(--text); }

.stream-card footer {
  margin-top: auto;
  padding-top: 26px;
  display: flex; justify-content: flex-end; align-items: center;
  gap: 16px;
  border-top: 1px solid var(--line);
  margin-top: 26px;
  position: relative; z-index: 1;
}
.stream-card .sc-list {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  color: var(--text-dim);
  text-transform: uppercase;
}
.stream-card .sc-link {
  font-family: var(--font-mono);
  font-size: 11px; letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--text);
  display: inline-flex; align-items: center; gap: 8px;
  transition: color 0.3s var(--ease), gap 0.3s var(--ease);
}
.stream-card .sc-link .arr { font-family: var(--font-sans); font-style: normal; transition: transform 0.3s var(--ease); }
.stream-card:hover .sc-link { color: var(--copper-hi); }
.stream-card:hover .sc-link .arr { transform: translateX(5px); }

/* Hover: redraw the EMT waveform */
.sc-wave { stroke-dasharray: 600; stroke-dashoffset: 0; }
.stream-card:hover .sc-wave-a { animation: emtDraw 1.6s var(--ease) both; }
.stream-card:hover .sc-wave-b { animation: emtDraw 1.6s var(--ease) 0.15s both; }
.stream-card:hover .sc-wave-c { animation: emtDraw 1.6s var(--ease) 0.3s both; }
@keyframes emtDraw {
  from { stroke-dashoffset: 600; opacity: 0; }
  to   { stroke-dashoffset: 0;   opacity: 1; }
}

@media (max-width: 880px) {
  .stream-cards { grid-template-columns: 1fr; }
}

/* ---- Principles (linked) ---- */
.principles-v2 .principles { grid-template-columns: repeat(4, 1fr); align-items: stretch; }
.principles-v2 .principle { padding: clamp(22px, 2.2vw, 34px); display: flex; flex-direction: column; }
.principles-v2 .principle h4 { margin-top: 0; }
.principle .p-glyph {
  display: block; width: 54px; height: 38px;
  color: var(--copper-dk); margin: 4px auto 20px;
}
.principle .p-glyph svg { width: 100%; height: 100%; display: block; }
@media (max-width: 1024px) {
  .principles-v2 .principles { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .principles-v2 .principles { grid-template-columns: 1fr; }
}
.principles-v2 .principle h4 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(22px, 1.7vw, 26px);
  line-height: 1.18;
  letter-spacing: -0.005em;
  margin: 0 0 16px;
}

.principles-linked .p-head {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 18px;
}
.principles-linked .p-pins {
  display: flex;
  flex-wrap: nowrap;
  gap: 6px;
  min-height: 30px;
  align-items: center;
}
.principles-linked .p-pin {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--copper-dk);
  background: rgba(201, 123, 61, 0.10);
  border: 1px solid rgba(201, 123, 61, 0.32);
  padding: 4px 9px 4px 9px;
  border-radius: 999px;
  white-space: nowrap;
  transition: background 0.25s var(--ease), color 0.25s var(--ease), border-color 0.25s var(--ease);
}
.principles-linked .p-pin:hover {
  background: var(--copper);
  color: var(--paper);
  border-color: var(--copper);
}

/* ---- CTA v2 ---- */
.cta-v2 {
  background: var(--ink);
  color: var(--text);
  padding: clamp(80px, 11vw, 150px) 0;
  position: relative;
  overflow: hidden;
}
.cta-v2::after {
  content: '';
  position: absolute; inset: 0;
  background:
    radial-gradient(60% 80% at 80% 100%, rgba(201,123,61,0.14), transparent 60%),
    radial-gradient(40% 60% at 20% 0%, rgba(93,210,166,0.05), transparent 60%);
  pointer-events: none;
}
.cta-v2-inner { position: relative; z-index: 1; }
.cta-v2 .section-label { color: var(--copper-hi); }
.cta-v2 .section-label::before { background: var(--copper); }
.cta-v2 h2 {
  font-size: clamp(40px, 5.4vw, 78px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--text);
}
.cta-v2 h2 em { font-style: italic; color: var(--copper-hi); }
.cta-v2 .lede { color: var(--text-mute); }
.cta-v2-actions {
  margin-top: 40px;
  display: flex; flex-wrap: wrap; gap: 14px;
}
.cta-v2-actions .btn-ghost {
  color: var(--text);
  border-color: var(--line-2);
}
.cta-v2-actions .btn-ghost:hover {
  background: var(--copper);
  color: var(--ink);
  border-color: var(--copper);
}

/* Hero eyebrow — inherit .section-label but add a live dot */
.hero-section-label {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 30px;
  padding-left: 0;
}
.hero-section-label::before { width: 22px; height: 1px; background: var(--copper); }
.hero-section-label .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 10px var(--signal);
  flex: 0 0 auto;
}
.hero-section-label .dot-blink { animation: pulse 2s var(--ease) infinite; }

/* Hide the old hero-eyebrow if present */
.hero-eyebrow { display: none !important; }

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%      { opacity: 0.55; transform: scale(0.85); }
}

/* ---- Trust strip · marquee of tools/study types ---- */
.trust-strip {
  background: var(--ink);
  border-bottom: 1px solid var(--line);
  padding: 22px 0;
  position: relative;
  overflow: hidden;
}
.trust-strip::before,
.trust-strip::after {
  content: '';
  position: absolute;
  top: 0; bottom: 0;
  width: 80px;
  z-index: 2;
  pointer-events: none;
}
.trust-strip::before { left: 0; background: linear-gradient(90deg, var(--ink), transparent); }
.trust-strip::after  { right: 0; background: linear-gradient(-90deg, var(--ink), transparent); }

.trust-track {
  display: flex;
  gap: 0;
  width: max-content;
  animation: trustMarquee 60s linear infinite;
}
.trust-strip:hover .trust-track { animation-play-state: paused; }
@keyframes trustMarquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
.trust-list {
  list-style: none;
  display: flex;
  align-items: center;
  gap: clamp(28px, 4vw, 56px);
  padding: 0 clamp(20px, 4vw, 56px);
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-mute);
  white-space: nowrap;
}
.trust-list li {
  position: relative;
  padding-right: clamp(28px, 4vw, 56px);
}
.trust-list li::after {
  content: '·';
  position: absolute;
  right: 0;
  top: 50%;
  transform: translate(50%, -50%);
  color: var(--copper);
  opacity: 0.55;
  font-size: 16px;
}
.trust-list li:last-child::after { display: none; }

@media (prefers-reduced-motion: reduce) {
  .trust-track { animation: none; }
}

/* ---- Selected-work outcome block ---- */
.w-outcome {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-top: 18px;
  padding: 14px 16px 14px 14px;
  border-left: 2px solid var(--copper);
  background: rgba(201, 123, 61, 0.05);
  border-radius: 0 var(--radius) var(--radius) 0;
}
.w-outcome-k {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--copper-hi);
  padding-top: 2px;
  font-weight: 500;
}
.w-outcome-v {
  flex: 1;
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.5;
  color: var(--text);
}
.section-white .w-outcome { background: rgba(201, 123, 61, 0.08); }
.section-white .w-outcome-k { color: var(--copper-dk); }
.section-white .w-outcome-v { color: var(--text-d); }

/* ---- Selected-work meta + details link ---- */
.w-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-dim);
}
.w-meta .w-link {
  color: var(--text);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color 0.3s var(--ease), gap 0.3s var(--ease);
}
.w-meta .w-link:hover { color: var(--copper-hi); gap: 10px; }

/* ---- Featured work card (ET Fuels) ---- */
.work-feature {
  margin-bottom: clamp(28px, 4vw, 56px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, var(--ink-2), var(--ink-3, var(--ink-2)));
  overflow: hidden;
  position: relative;
  padding: clamp(28px, 3vw, 44px);
  color: var(--text);
  transition: border-color 0.4s var(--ease), transform 0.4s var(--ease);
}
.work-feature::before {
  content: '';
  position: absolute; inset: 0;
  background:
    radial-gradient(80% 100% at 100% 0%, rgba(201,123,61,0.12), transparent 55%),
    radial-gradient(50% 60% at 0% 100%, rgba(93,210,166,0.06), transparent 60%);
  pointer-events: none;
  opacity: 0.7;
}
.work-feature:hover { border-color: var(--copper); transform: translateY(-3px); }

/* Stretched-link card pattern: wf-link is on the h3, ::after covers the whole card */
.wf-link {
  color: inherit;
  text-decoration: none;
  position: static;
  background-image: linear-gradient(currentColor, currentColor);
  background-repeat: no-repeat;
  background-size: 0% 1px;
  background-position: 0 100%;
  transition: background-size 0.4s var(--ease), color 0.3s var(--ease);
}
.wf-link::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 1;
}
.work-feature:hover .wf-link {
  color: var(--copper-hi);
}
/* Keep interactive children clickable above the stretched overlay */
.wf-meta,
.wf-cta,
.wf-extlink,
.wf-cta-btn {
  position: relative;
  z-index: 2;
}

.wf-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 24px;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  margin-bottom: 28px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
}
.wf-tag { color: var(--copper-hi); }
.wf-tag::before {
  content: '';
  display: inline-block;
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--signal);
  margin-right: 10px;
  vertical-align: middle;
  box-shadow: 0 0 8px var(--signal);
  animation: pulse 2s var(--ease) infinite;
}
.wf-stream { color: var(--text-dim); }

.wf-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  gap: clamp(28px, 4vw, 56px);
  align-items: start;
}
@media (max-width: 980px) {
  .wf-body { grid-template-columns: 1fr; }
}

.wf-text h3 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(30px, 3.4vw, 46px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--text);
  margin: 0 0 18px;
}
.wf-text h3 em { font-style: italic; color: var(--copper-hi); }
.wf-text > p {
  color: var(--text-mute);
  font-size: 16px;
  line-height: 1.65;
  margin: 0 0 20px;
  max-width: 56ch;
}
.wf-text > p em { font-style: italic; color: var(--text); }

.wf-list {
  list-style: none;
  padding: 0;
  margin: 0 0 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 28px;
}
@media (max-width: 620px) {
  .wf-list { grid-template-columns: 1fr; }
}
.wf-list li {
  position: relative;
  padding-left: 22px;
  color: var(--text-mute);
  font-size: 14.5px;
  line-height: 1.55;
}
.wf-list li::before {
  content: '';
  position: absolute;
  left: 0; top: 0.62em;
  width: 12px; height: 1px;
  background: var(--copper);
}

.wf-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px 24px;
}
.btn-sm { padding: 12px 18px; font-size: 11px; }
.wf-extlink {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-dim);
  transition: color 0.3s var(--ease);
  display: inline-flex; align-items: center; gap: 6px;
}
.wf-extlink:hover { color: var(--copper-hi); }

.wf-visual {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(11,17,24,0.55), rgba(11,17,24,0.88));
  padding: clamp(12px, 1.5vw, 22px);
  position: relative;
  overflow: hidden;
  align-self: start;
}
.wf-visual::after {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 24px 24px;
  pointer-events: none;
}
.wf-visual svg { width: 100%; height: auto; display: block; }


/* ===== ET Fuels case study page ===== */
.case-hero {
  padding: clamp(50px, 7vw, 100px) 0 clamp(60px, 8vw, 110px);
  background: var(--ink);
  border-bottom: 1px solid var(--line);
}
.case-hero .breadcrumb { margin-bottom: 40px; }
.case-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: clamp(30px, 5vw, 80px);
  align-items: start;
}
.case-h1 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(44px, 6vw, 88px);
  line-height: 1.02;
  letter-spacing: -0.022em;
  margin: 26px 0 28px;
}
.case-h1 em { font-style: italic; color: var(--copper-hi); }

.case-meta-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: clamp(24px, 2.5vw, 32px);
  background: var(--ink-2);
  display: flex;
  flex-direction: column;
  gap: 18px;
  position: sticky;
  top: 110px;
}
.case-meta-card .cmc-row {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 16px;
  align-items: baseline;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}
.case-meta-card .cmc-row:last-child { border-bottom: none; padding-bottom: 0; }
.case-meta-card .cmc-k {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-dim);
}
.case-meta-card .cmc-v {
  font-family: var(--font-display);
  font-size: 18px;
  line-height: 1.3;
  color: var(--text);
}

@media (max-width: 900px) {
  .case-hero-grid { grid-template-columns: 1fr; }
  .case-meta-card { position: static; }
}

.case-section {
  padding: clamp(70px, 10vw, 130px) 0;
  border-bottom: 1px solid var(--line);
}
.case-section-dark { background: var(--ink-2); }

.case-h2 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(34px, 4.8vw, 64px);
  line-height: 1.05;
  letter-spacing: -0.018em;
  margin: 18px 0 28px;
}
.case-h2 em { font-style: italic; color: var(--copper-hi); }

.ptx-diagram {
  margin-top: clamp(40px, 5vw, 70px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(11,17,24,0.55), rgba(11,17,24,0.92));
  padding: clamp(24px, 3vw, 48px);
  position: relative;
  overflow: hidden;
}
.ptx-diagram::after {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 30px 30px;
  pointer-events: none;
}
.ptx-diagram svg { width: 100%; height: auto; display: block; position: relative; z-index: 1; }

.scope-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  margin-top: clamp(30px, 4vw, 60px);
}
.scope-item {
  padding: clamp(24px, 2.6vw, 36px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--ink);
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease);
}
.scope-item:hover { border-color: var(--copper); transform: translateY(-2px); }
.scope-item .scope-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--copper-hi);
  display: block;
  margin-bottom: 16px;
}
.scope-item h4 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(20px, 1.8vw, 26px);
  line-height: 1.15;
  margin: 0 0 12px;
}
.scope-item p { color: var(--text-mute); font-size: 14.5px; line-height: 1.6; margin: 0; max-width: 50ch; }

@media (max-width: 760px) { .scope-grid { grid-template-columns: 1fr; } }

.why-bullets {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(30px, 4vw, 60px);
  margin-top: clamp(30px, 4vw, 60px);
}
.why-bullets p {
  color: var(--text-mute);
  font-size: 16px;
  line-height: 1.65;
}
@media (max-width: 760px) { .why-bullets { grid-template-columns: 1fr; } }

.ref-list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--line);
}
.ref-item {
  display: grid;
  grid-template-columns: 180px 1fr 24px;
  gap: 24px;
  padding: 24px 4px;
  border-bottom: 1px solid var(--line);
  align-items: center;
  color: var(--text);
  transition: padding-left 0.3s var(--ease), background 0.3s var(--ease);
}
.ref-item:hover { padding-left: 16px; background: rgba(201,123,61,0.04); }
.ref-item .ref-k {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--copper-hi);
}
.ref-item .ref-v {
  font-family: var(--font-display);
  font-size: clamp(18px, 1.6vw, 22px);
  line-height: 1.3;
}
.ref-item .ref-arr {
  font-family: var(--font-mono);
  color: var(--text-dim);
  font-size: 18px;
  text-align: right;
  transition: color 0.3s var(--ease), transform 0.3s var(--ease);
}
.ref-item:hover .ref-arr { color: var(--copper-hi); transform: translate(3px, -3px); }
@media (max-width: 760px) {
  .ref-item { grid-template-columns: 1fr; gap: 6px; }
  .ref-item .ref-arr { display: none; }
}


/* ===== ET Fuels — Power-to-X industry context ===== */
.ptx-context {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: clamp(28px, 4vw, 56px);
}
.ptx-ctx {
  position: relative;
  display: block;
  padding: clamp(22px, 2.5vw, 32px);
  padding-right: clamp(48px, 5vw, 64px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--ink-2);
  color: var(--text);
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease), background 0.3s var(--ease);
}
.ptx-ctx:hover { border-color: var(--copper); transform: translateY(-2px); background: var(--ink); }
.ptx-ctx-flag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--copper-hi);
  padding: 4px 10px;
  border: 1px solid rgba(201,123,61,0.32);
  border-radius: 999px;
  margin-bottom: 16px;
  background: rgba(201,123,61,0.06);
}
.ptx-ctx h4 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(20px, 1.8vw, 26px);
  line-height: 1.15;
  margin: 0 0 10px;
  color: var(--text);
}
.ptx-ctx p {
  color: var(--text-mute);
  font-size: 14.5px;
  line-height: 1.55;
  margin: 0;
  max-width: 52ch;
}
.ptx-ctx-arr {
  position: absolute;
  top: clamp(22px, 2.5vw, 32px);
  right: clamp(22px, 2.5vw, 32px);
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--text-dim);
  transition: color 0.3s var(--ease), transform 0.3s var(--ease);
}
.ptx-ctx:hover .ptx-ctx-arr { color: var(--copper-hi); transform: translate(3px, -3px); }
@media (max-width: 760px) {
  .ptx-context { grid-template-columns: 1fr; }
}

.ptx-context-note {
  margin-top: clamp(28px, 4vw, 48px);
  padding: 22px 26px;
  border-left: 2px solid var(--copper);
  background: rgba(201, 123, 61, 0.06);
  color: var(--text);
  font-size: 15.5px;
  line-height: 1.6;
  max-width: 88ch;
}

/* ---- Case-study cards reused on landing (from consultancy) ---- */
.cons-apps{margin-top:clamp(28px,3vw,40px);display:grid;grid-template-columns:repeat(2,1fr);gap:clamp(18px,2vw,26px);}
.cons-app{display:flex;flex-direction:column;background:var(--ink-2);border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;text-decoration:none;color:var(--text);transition:border-color .3s var(--ease),transform .3s var(--ease);}
.cons-app:hover{border-color:var(--copper);transform:translateY(-4px);}
.cons-app-viz{background:var(--ink);border-bottom:1px solid var(--line);padding:20px;background-image:radial-gradient(rgba(255,255,255,0.04) 1px,transparent 1px);background-size:18px 18px;}
.cons-app-viz svg{width:100%;height:auto;display:block;}
.cons-app-body{padding:clamp(20px,2vw,28px);display:flex;flex-direction:column;gap:12px;flex:1;}
.cons-app-tag{font-family:var(--font-mono);font-size:10px;letter-spacing:.18em;text-transform:uppercase;align-self:flex-start;padding:5px 11px;border-radius:999px;border:1px solid;}
.cons-app-tag.study{color:var(--copper-hi);border-color:var(--copper);}
.cons-app h4{font-family:var(--font-display);font-weight:400;font-size:clamp(21px,2vw,27px);line-height:1.22;}
.cons-app h4 em{font-style:italic;color:var(--copper-hi);}
.cons-app p{font-size:14px;line-height:1.55;color:var(--text-mute);}
.cons-app-go{margin-top:auto;padding-top:12px;font-family:var(--font-mono);font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--copper-hi);display:inline-flex;align-items:center;gap:8px;}
.cons-app:hover .cons-app-go{gap:12px;}
@media (max-width:760px){.cons-apps{grid-template-columns:1fr;}}