@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;0,9..40,800;1,9..40,400;1,9..40,600&family=DM+Mono:wght@400;500&display=swap');

:root {
  --bg:           #0B1220;
  --bg-2:         #0D1529;
  --surface:      rgba(255,255,255,.045);
  --surface-2:    rgba(255,255,255,.07);
  --text:         #E8EDF5;
  --text-2:       #C4CFE0;
  --muted:        #7A91AB;
  --muted-2:      #4E6478;
  --green:        #20C997;
  --green-dim:    rgba(32,201,151,.10);
  --green-glow:   rgba(32,201,151,.18);
  --green-line:   rgba(32,201,151,.22);
  --blue:         #4A9EFF;
  --amber:        #F5B84B;
  --rose:         #D96C75;
  --line:         rgba(255,255,255,.08);
  --line-2:       rgba(255,255,255,.13);
  --shadow-lg:    0 32px 80px rgba(0,0,0,.5);
  --shadow-md:    0 16px 48px rgba(0,0,0,.4);
  --radius:       8px;
  --radius-lg:    8px;
  --font:         'DM Sans', ui-sans-serif, system-ui, -apple-system, sans-serif;
  --font-mono:    'DM Mono', ui-monospace, monospace;
  --max-w:        1280px;
  --pad-x:        clamp(1.5rem, 5vw, 5rem);
  --pad-section:  clamp(5rem, 9vw, 8rem);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
::selection { background: rgba(32,201,151,.22); color: var(--text); }
:focus-visible { outline: 1.5px solid rgba(32,201,151,.55); outline-offset: 3px; border-radius: 4px; }

body {
  font-family: var(--font);
  font-size: 1rem;
  color: var(--text);
  background-color: var(--bg);
  background-image:
    linear-gradient(180deg, rgba(74,158,255,.05) 0%, transparent 34%),
    linear-gradient(90deg, rgba(32,201,151,.035) 0%, transparent 42%, rgba(245,184,75,.025) 100%);
  line-height: 1.66;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: inherit; }
img, svg { display: block; max-width: 100%; }
strong { color: var(--text); font-weight: 700; }
em { font-style: normal; color: var(--green); }
p { color: var(--text-2); }

.eyebrow {
  display: inline-block;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: .9rem;
}

.section-lead {
  font-size: clamp(1rem, 1.6vw, 1.2rem);
  color: var(--muted);
  max-width: 680px;
  line-height: 1.75;
  margin-top: .75rem;
}

.section-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--pad-x);
}

.section { padding: var(--pad-section) 0; }

/* Reveal */
.reveal, .reveal-delay {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .7s cubic-bezier(.22,1,.36,1), transform .7s cubic-bezier(.22,1,.36,1);
}
.reveal-delay { transition-delay: .18s; }
.reveal.in-view, .reveal-delay.in-view { opacity: 1; transform: translateY(0); }

/* SVG animations */
@keyframes pulse-ring {
  0% { opacity: .3; transform: scale(1); }
  50% { opacity: .1; transform: scale(1.08); }
  100% { opacity: .3; transform: scale(1); }
}
@keyframes pulse-ring-slow {
  0% { opacity: .2; transform: scale(1); }
  50% { opacity: .05; transform: scale(1.12); }
  100% { opacity: .2; transform: scale(1); }
}
@keyframes spin-slow {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}
@keyframes badge-blink {
  0%, 100% { opacity: 1; }
  50% { opacity: .3; }
}
.pulse-ring { animation: pulse-ring 2.4s ease-in-out infinite; transform-origin: center; }
.pulse-ring-slow { animation: pulse-ring-slow 3.6s ease-in-out infinite; transform-origin: center; }
.spin-slow { animation: spin-slow 20s linear infinite; transform-origin: 240px 200px; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  height: 64px; padding: 0 var(--pad-x);
  background: rgba(11,18,32,.85);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex; align-items: center; gap: .6rem;
  text-decoration: none; font-weight: 800; font-size: .88rem;
  letter-spacing: .06em; text-transform: uppercase; color: var(--text);
}

.nav { display: flex; align-items: center; gap: 1.75rem; font-size: .85rem; color: var(--muted); }
.nav a { text-decoration: none; transition: color .14s ease; }
.nav a:hover, .nav a.active { color: var(--text); }

.nav-cta {
  display: inline-flex; align-items: center; height: 36px; padding: 0 1.1rem;
  border-radius: 999px; font-size: .82rem; font-weight: 700; letter-spacing: .03em;
  text-decoration: none;
  background: var(--green-dim); border: 1px solid var(--green-line); color: var(--green);
  transition: background .16s ease, border-color .16s ease;
}
.nav-cta:hover { background: var(--green-glow); border-color: rgba(32,201,151,.4); }

/* Buttons */
.button {
  display: inline-flex; align-items: center; gap: .55rem;
  height: 48px; padding: 0 1.5rem; border-radius: 999px;
  text-decoration: none; font-weight: 700; font-size: .9rem;
  border: 1px solid transparent; cursor: pointer;
  transition: transform .16s ease, background .16s ease, box-shadow .16s ease, border-color .16s ease;
  letter-spacing: .01em;
}
.button:hover { transform: translateY(-2px); }
.button.primary { background: var(--green); color: #071510; box-shadow: 0 12px 32px rgba(32,201,151,.22); }
.button.primary:hover { box-shadow: 0 20px 48px rgba(32,201,151,.35); }
.button.ghost { border-color: var(--line-2); color: var(--text-2); background: rgba(255,255,255,.04); }
.button.ghost:hover { background: rgba(255,255,255,.08); color: var(--text); }
.button.large { height: 54px; padding: 0 2rem; font-size: .95rem; }

/* Hero */
.hero {
  position: relative; min-height: 92vh;
  display: flex; flex-direction: column; justify-content: center;
  padding: 7rem var(--pad-x) 4rem; overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; inset: 0;
  background:
    linear-gradient(135deg, rgba(32,201,151,.05), transparent 46%),
    linear-gradient(180deg, rgba(255,255,255,.03), transparent 32%);
  pointer-events: none;
}
.hero-grid {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(280px, .72fr);
  gap: clamp(2.5rem, 6vw, 6rem); align-items: center;
  max-width: var(--max-w); margin: 0 auto; width: 100%;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .35rem .9rem .35rem .6rem; border-radius: 999px;
  background: rgba(32,201,151,.07); border: 1px solid rgba(32,201,151,.18);
  font-size: .76rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
  color: var(--green); margin-bottom: 1.6rem;
}
.badge-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--green); box-shadow: 0 0 12px rgba(32,201,151,.7);
  animation: badge-blink 2s ease-in-out infinite;
}
h1 { font-size: clamp(3rem, 7.5vw, 7rem); line-height: .91; letter-spacing: -.065em; font-weight: 800; color: var(--text); margin-bottom: 1.5rem; }
h2 { font-size: clamp(1.9rem, 3.8vw, 3.6rem); font-weight: 800; letter-spacing: -.045em; line-height: 1.05; color: var(--text); margin-bottom: 1.1rem; }
h3 { font-size: 1.05rem; font-weight: 800; letter-spacing: -.02em; color: var(--text); margin-bottom: .6rem; }
h4 { font-size: 1rem; font-weight: 700; color: var(--text); margin-bottom: .4rem; }

.lead { font-size: clamp(1.05rem, 1.7vw, 1.28rem); color: var(--muted); max-width: 640px; line-height: 1.76; }
.lead strong { color: var(--text-2); }
.hero-actions { display: flex; flex-wrap: wrap; gap: .85rem; margin-top: 2.2rem; }
.hero-svg { width: 100%; height: auto; filter: drop-shadow(0 0 40px rgba(32,201,151,.05)); }

@keyframes scroll-bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(5px); }
}
.scroll-cue {
  position: absolute; bottom: 2.5rem; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: .5rem;
  font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; color: var(--muted-2);
  animation: scroll-bounce 2.4s ease-in-out infinite;
}

/* Conviction bar */
.conviction-bar { background: rgba(0,0,0,.3); border-block: 1px solid var(--line); padding: 2rem var(--pad-x); }
.conviction-inner { max-width: var(--max-w); margin: 0 auto; display: flex; align-items: center; gap: 2rem; flex-wrap: wrap; }
.conviction-item { display: flex; flex-direction: column; gap: .2rem; flex: 1; min-width: 180px; }
.conviction-item.highlight .conviction-stat { color: var(--green); }
.conviction-stat { font-size: clamp(1.5rem, 3vw, 2.4rem); font-weight: 800; letter-spacing: -.04em; color: var(--text); line-height: 1; }
.conviction-label { font-size: .82rem; color: var(--muted); line-height: 1.4; }
.conviction-sep { font-size: 1.2rem; color: var(--muted-2); flex-shrink: 0; }

/* Proof strip */
.proof-strip { padding: 1.1rem var(--pad-x); background: rgba(255,255,255,.025); border-bottom: 1px solid var(--line); }
.proof-strip-inner { max-width: var(--max-w); margin: 0 auto; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: .8rem; }
.proof-tile { min-height: 190px; padding: 1.2rem; border: 1px solid var(--line); border-radius: var(--radius); background: rgba(255,255,255,.035); display: flex; flex-direction: column; justify-content: space-between; }
.proof-tile.accent { border-color: rgba(245,184,75,.25); background: rgba(245,184,75,.06); }
.proof-kicker { font-family: var(--font-mono); font-size: .72rem; color: var(--amber); letter-spacing: .08em; }
.proof-tile h2 { font-size: 1.15rem; letter-spacing: -.02em; line-height: 1.1; margin: 1rem 0 .65rem; }
.proof-tile p { font-size: .88rem; color: var(--muted); line-height: 1.58; }

/* Narrative */
.narrative-section { background: transparent; }
.narrative-header { max-width: 820px; margin-bottom: 4rem; }
.narrative-header h2 { font-size: clamp(2rem, 4vw, 3.5rem); }
.narrative-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 5rem); align-items: start; }
.narrative-copy p { font-size: 1.04rem; color: var(--muted); line-height: 1.8; margin-bottom: 1.25rem; }
.pull-quote {
  margin: 2rem 0; padding: 1.5rem 1.75rem;
  border-left: 2px solid var(--green); background: var(--green-dim); border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 1.12rem; font-weight: 600; color: var(--text-2); font-style: italic; line-height: 1.6;
}
.svg-figure svg { border-radius: var(--radius); }
figcaption { font-size: .82rem; color: var(--muted-2); margin-top: .85rem; line-height: 1.55; text-align: center; }

/* Compare */
.compare-section { padding: 0; background: rgba(0,0,0,.2); border-block: 1px solid var(--line); }
.compare-grid { display: grid; grid-template-columns: 1fr 1fr; max-width: var(--max-w); margin: 0 auto; }
.compare-panel { padding: clamp(2rem, 4vw, 3.5rem) var(--pad-x); }
.compare-panel.bad { border-right: 1px solid var(--line); background: rgba(255,107,107,.025); }
.compare-panel.good { background: rgba(32,201,151,.025); }
.compare-tag { display: inline-flex; align-items: center; gap: .5rem; font-size: .72rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); margin-bottom: 1.5rem; }
.tag-dot { width: 6px; height: 6px; border-radius: 50%; }
.bad-dot { background: #FF6B6B; box-shadow: 0 0 10px rgba(255,107,107,.5); }
.good-dot { background: var(--green); box-shadow: 0 0 10px rgba(32,201,151,.5); }
.compare-panel h3 { font-size: clamp(1.3rem, 2.2vw, 2rem); font-weight: 800; letter-spacing: -.04em; line-height: 1.1; margin-bottom: 1.25rem; }
.compare-panel.bad h3 { color: rgba(255,255,255,.6); }
.compare-panel.good h3 { color: rgba(140,240,200,.92); }
.compare-list { padding-left: 0; list-style: none; display: flex; flex-direction: column; gap: .7rem; }
.compare-list li { position: relative; padding-left: 1.2rem; font-size: .97rem; color: var(--muted); line-height: 1.6; }
.compare-panel.bad .compare-list li::before { content: '\00D7'; position: absolute; left: 0; color: rgba(255,107,107,.5); font-weight: 700; }
.compare-panel.good .compare-list li::before { content: '\2713'; position: absolute; left: 0; color: var(--green); font-weight: 700; }

/* Tipping point */
.tipping-section { background: linear-gradient(180deg, rgba(32,201,151,.025), transparent 40%), transparent; }
.tipping-header { margin-bottom: 3.5rem; }
.tipping-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: clamp(2rem, 5vw, 5rem); align-items: start; margin-bottom: 3.5rem; }
.tipping-copy p { font-size: 1.02rem; color: var(--muted); line-height: 1.8; margin-bottom: 1.1rem; }
.tipping-copy strong { color: var(--text-2); }
.tipping-visual svg { width: 100%; height: auto; border-radius: var(--radius); }
.formula-banner { display: grid; grid-template-columns: auto 1fr; gap: 2rem; align-items: center; padding: 2rem 2.5rem; border-radius: var(--radius); background: var(--green-dim); border: 1px solid var(--green-line); }
.formula-left { display: flex; flex-direction: column; gap: .5rem; border-right: 1px solid var(--green-line); padding-right: 2rem; }
.formula-label { font-size: .7rem; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; color: var(--green); opacity: .8; }
.formula-display { font-size: clamp(1.3rem, 2.5vw, 2rem); font-weight: 800; letter-spacing: -.04em; color: rgba(140,240,200,.95); line-height: 1; white-space: nowrap; }
.formula-milestones { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }
.milestone { display: flex; flex-direction: column; gap: .2rem; }
.milestone.highlight .milestone-value { color: var(--green); }
.milestone-year { font-size: .7rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--muted-2); }
.milestone-value { font-size: 1.1rem; font-weight: 800; letter-spacing: -.02em; color: var(--text); }
.milestone-desc { font-size: .75rem; color: var(--muted); }
.milestone-arrow { color: var(--green); font-size: 1.1rem; opacity: .5; }

/* Sectors */
.sectors-section { background: rgba(0,0,0,.15); border-block: 1px solid var(--line); }
.sectors-header { text-align: center; margin-bottom: 3.5rem; }
.sectors-header h2 { font-size: clamp(2rem, 4vw, 3.6rem); }
.sectors-header .section-lead { margin: .75rem auto 0; text-align: center; }
.sectors-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.2rem; }
.sector-card { padding: 1.75rem; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--line); transition: border-color .2s ease, background .2s ease, transform .2s ease; display: flex; flex-direction: column; }
.sector-card:hover { border-color: var(--green-line); background: var(--surface-2); transform: translateY(-3px); }
.sector-num { display: inline-flex; align-items: center; justify-content: center; width: 32px; height: 32px; border-radius: 9px; background: var(--green-dim); border: 1px solid var(--green-line); color: rgba(140,240,200,.85); font-size: .7rem; font-weight: 800; letter-spacing: .08em; font-family: var(--font-mono); margin-bottom: .85rem; }
.sector-card p { font-size: .93rem; color: var(--muted); line-height: 1.72; margin-bottom: .85rem; }
.sector-list { list-style: none; padding: 0; display: flex; flex-direction: column; gap: .45rem; margin-top: auto; }
.sector-list li { position: relative; padding-left: 1.1rem; font-size: .87rem; color: var(--muted); line-height: 1.5; }
.sector-list li::before { content: '\2192'; position: absolute; left: 0; color: var(--green); font-size: .8rem; opacity: .7; }

.sector-icon { width: 48px; height: 48px; display: block; flex-shrink: 0; }
.btn-icon { width: 16px; height: 16px; display: block; flex-shrink: 0; }

/* Traffic */
.traffic-section { background: linear-gradient(90deg, rgba(74,158,255,.035), transparent 48%), transparent; }
.traffic-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: clamp(2rem, 5vw, 5rem); align-items: start; margin-bottom: 3rem; }
.traffic-copy h2 { font-size: clamp(1.9rem, 3.5vw, 3.2rem); }
.traffic-copy p { font-size: 1.01rem; color: var(--muted); line-height: 1.78; margin-bottom: 1rem; }
.traffic-steps { display: flex; flex-direction: column; gap: 0; }
.step-card { display: grid; grid-template-columns: 40px 1fr; gap: 1rem; padding: 1.5rem 1.5rem 1.5rem 1rem; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--line); transition: border-color .18s ease, background .18s ease; }
.step-card:hover { border-color: var(--green-line); background: var(--surface-2); }
.step-connector { width: 2px; height: 1rem; background: linear-gradient(to bottom, var(--green-line), transparent); margin-left: calc(1rem + 19px); }
.step-number { width: 36px; height: 36px; border-radius: 50%; background: var(--green-dim); border: 1px solid var(--green-line); display: flex; align-items: center; justify-content: center; font-size: .75rem; font-weight: 800; letter-spacing: .06em; color: var(--green); font-family: var(--font-mono); flex-shrink: 0; }
.step-content p { font-size: .9rem; color: var(--muted); line-height: 1.65; margin: 0; }
.traffic-stats { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr; align-items: center; gap: 1.5rem; padding: 2rem 2.5rem; border-radius: var(--radius); background: rgba(0,0,0,.25); border: 1px solid var(--line); }
.tstat { display: flex; flex-direction: column; gap: .3rem; text-align: center; }
.tstat-num { font-size: clamp(1.5rem, 3vw, 2.4rem); font-weight: 800; letter-spacing: -.04em; color: var(--green); line-height: 1; }
.tstat-label { font-size: .82rem; color: var(--muted); line-height: 1.45; }
.tstat-div { width: 1px; height: 48px; background: var(--line-2); }

/* Calculator */
.calc-section { background: rgba(0,0,0,.2); border-block: 1px solid var(--line); }
.calc-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: clamp(2rem, 5vw, 5rem); align-items: center; }
.calc-copy h2 { font-size: clamp(1.9rem, 3.5vw, 3.2rem); }
.calc-copy p { font-size: 1.01rem; color: var(--muted); line-height: 1.78; margin-bottom: .9rem; }
.calc-footnote { font-size: .87rem !important; color: var(--muted-2) !important; }
.calc-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); box-shadow: var(--shadow-md); overflow: hidden; }
.calc-header { display: flex; align-items: center; justify-content: space-between; padding: 1rem 1.5rem; border-bottom: 1px solid var(--line); background: rgba(0,0,0,.15); }
.calc-title { font-size: .8rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.calc-version { font-family: var(--font-mono); font-size: .72rem; color: var(--muted-2); background: rgba(255,255,255,.04); border: 1px solid var(--line); padding: .2rem .5rem; border-radius: 4px; }
.calc-body { padding: 2rem; }
.calc-label { display: block; font-size: .92rem; color: var(--muted); margin-bottom: 1.25rem; line-height: 1.5; }
.calc-label strong { color: var(--text); }
.range-wrap { margin-bottom: 1.5rem; }
input[type="range"] { width: 100%; height: 4px; -webkit-appearance: none; appearance: none; background: rgba(255,255,255,.1); border-radius: 999px; cursor: pointer; accent-color: var(--green); margin-bottom: .6rem; }
input[type="range"]::-webkit-slider-thumb { -webkit-appearance: none; appearance: none; width: 18px; height: 18px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 3px rgba(32,201,151,.2); cursor: pointer; }
.range-markers { display: flex; justify-content: space-between; font-size: .72rem; color: var(--muted-2); font-family: var(--font-mono); }
.calc-result { padding: 1.25rem 1.5rem; border-radius: var(--radius); background: var(--green-dim); border: 1px solid var(--green-line); margin-bottom: 1.25rem; }
.calc-result-main { display: flex; align-items: baseline; gap: .5rem; margin-bottom: .3rem; }
#neededTwh { font-size: clamp(1.8rem, 4vw, 2.6rem); font-weight: 800; letter-spacing: -.05em; color: var(--green); line-height: 1; }
.calc-unit { font-size: 1rem; font-weight: 600; color: rgba(140,240,200,.7); }
.calc-result-sub { font-size: .85rem; color: rgba(140,240,200,.6); }
.calc-breakdown { display: flex; flex-direction: column; gap: .5rem; }
.calc-row { display: flex; justify-content: space-between; align-items: center; font-size: .84rem; color: var(--muted); padding: .5rem .75rem; border-radius: 8px; background: rgba(255,255,255,.025); border: 1px solid var(--line); }
.calc-row span:last-child { font-weight: 700; color: var(--text-2); font-family: var(--font-mono); font-size: .8rem; }

/* Standards */
.standards-section { background: transparent; }
.standards-header { margin-bottom: 3rem; }
.standards-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.2rem; }
.standard-card { padding: 1.75rem; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--line); transition: border-color .18s ease, background .18s ease; }
.standard-card:hover { border-color: var(--green-line); background: var(--surface-2); }
.standard-icon { width: 44px; height: 44px; border-radius: var(--radius); background: var(--green-dim); border: 1px solid var(--green-line); display: flex; align-items: center; justify-content: center; margin-bottom: 1.1rem; }
.standard-card p { font-size: .9rem; color: var(--muted); line-height: 1.7; }

/* Engagement */
.engagement-section { background: rgba(0,0,0,.18); border-block: 1px solid var(--line); }
.engagement-header { max-width: 780px; margin-bottom: 2.5rem; }
.engagement-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; }
.engagement-card { padding: 1.6rem; border-radius: var(--radius); border: 1px solid var(--line); background: rgba(255,255,255,.04); min-height: 260px; display: flex; flex-direction: column; }
.engagement-card:nth-child(2) { border-color: rgba(245,184,75,.22); }
.engagement-card:nth-child(3) { border-color: rgba(217,108,117,.22); }
.engagement-step { width: fit-content; padding: .28rem .55rem; border-radius: 4px; font-family: var(--font-mono); font-size: .7rem; color: var(--amber); background: rgba(245,184,75,.08); border: 1px solid rgba(245,184,75,.18); margin-bottom: 1rem; }
.engagement-card p { font-size: .92rem; color: var(--muted); line-height: 1.68; margin-bottom: 1.2rem; }
.engagement-card a { margin-top: auto; color: var(--green); text-decoration: none; font-weight: 800; font-size: .88rem; }
.engagement-card a:hover { color: var(--text); }
.related-links { margin-top: 1rem; padding: 1rem; border: 1px solid var(--line); border-radius: var(--radius); background: rgba(255,255,255,.03); display: flex; align-items: center; gap: .75rem; flex-wrap: wrap; }
.related-links span { font-size: .78rem; color: var(--muted-2); text-transform: uppercase; letter-spacing: .12em; font-weight: 800; margin-right: .4rem; }
.related-links a { color: var(--text-2); text-decoration: none; font-size: .88rem; padding: .35rem .55rem; border: 1px solid var(--line); border-radius: 4px; }
.related-links a:hover { color: var(--green); border-color: var(--green-line); }

/* CTA */
.cta-section { position: relative; overflow: hidden; text-align: center; background: transparent; }
.cta-inner { position: relative; z-index: 2; max-width: 720px; margin: 0 auto; padding: 0 var(--pad-x); }
.cta-badge { display: inline-flex; padding: .3rem .8rem; border-radius: 999px; font-size: .72rem; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; background: var(--green-dim); border: 1px solid var(--green-line); color: var(--green); margin-bottom: 1.5rem; }
.cta-inner h2 { font-size: clamp(2.2rem, 5vw, 4.4rem); letter-spacing: -.06em; line-height: .95; margin-bottom: 1.25rem; }
.cta-inner p { font-size: 1.05rem; color: var(--muted); line-height: 1.8; margin-bottom: 2.5rem; max-width: 580px; margin-left: auto; margin-right: auto; }
.cta-actions { display: flex; align-items: center; justify-content: center; gap: 1rem; flex-wrap: wrap; }
.cta-decoration { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; z-index: 1; opacity: .5; pointer-events: none; }
.cta-decoration svg { width: 100%; max-width: 700px; }

/* Sources */
.sources-section { background: rgba(0,0,0,.2); border-top: 1px solid var(--line); }
.sources-title { font-size: clamp(1.4rem, 2.5vw, 2rem); font-weight: 800; letter-spacing: -.035em; color: var(--text); margin-bottom: 1.5rem; }
.sources-list { padding-left: 1.25rem; display: flex; flex-direction: column; gap: .75rem; }
.sources-list li { font-size: .88rem; color: var(--muted); line-height: 1.6; }
.sources-list a { color: var(--blue); text-underline-offset: 3px; text-decoration-thickness: 1px; transition: color .14s ease; }
.sources-list a:hover { color: var(--text); }

/* Footer */
.footer { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1.5rem var(--pad-x); background: rgba(0,0,0,.3); border-top: 1px solid var(--line); font-size: .84rem; color: var(--muted-2); }
.footer-brand { display: flex; align-items: center; gap: .65rem; }
.footer-nav { display: flex; align-items: center; gap: 1.5rem; }
.footer-nav a { color: var(--muted); text-decoration: none; transition: color .14s ease; }
.footer-nav a:hover { color: var(--text); }

/* Responsive */
@media (max-width: 1100px) {
  .sectors-grid { grid-template-columns: repeat(2, 1fr); }
  .standards-grid { grid-template-columns: 1fr 1fr; }
  .proof-strip-inner { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
  .narrative-grid, .tipping-grid, .calc-grid { grid-template-columns: 1fr; }
  .compare-grid { grid-template-columns: 1fr; }
  .compare-panel.bad { border-right: none; border-bottom: 1px solid var(--line); }
  .traffic-grid { grid-template-columns: 1fr; }
  .traffic-stats { grid-template-columns: 1fr; text-align: left; }
  .tstat { text-align: left; }
  .tstat-div { width: 100%; height: 1px; }
  .formula-banner { grid-template-columns: 1fr; }
  .formula-left { border-right: none; border-bottom: 1px solid var(--green-line); padding-right: 0; padding-bottom: 1.5rem; }
  .conviction-sep { display: none; }
  .engagement-grid { grid-template-columns: 1fr; }
  .engagement-card { min-height: auto; }
}
@media (max-width: 680px) {
  .nav, .nav-cta { display: none; }
  h1 { font-size: clamp(2.8rem, 15vw, 5rem); }
  .sectors-grid, .standards-grid { grid-template-columns: 1fr; }
  .proof-strip-inner { grid-template-columns: 1fr; }
  .proof-tile { min-height: auto; }
  .hero { padding-top: 5rem; min-height: auto; padding-bottom: 4rem; }
  .scroll-cue { display: none; }
  .footer { flex-direction: column; gap: .75rem; }
  .footer-nav { flex-wrap: wrap; justify-content: center; }
  .formula-milestones { flex-direction: column; gap: .75rem; }
  .related-links { align-items: flex-start; flex-direction: column; }
}