/* ============================================================
   Steppe & Sea — Renewable Energy
   Static build of the React prototype. Tokens follow
   colors_and_type.css; --navy uses the "deep" tweak default.
   ============================================================ */

/* Geist font is loaded via a <link rel="stylesheet"> in <head> (with
   preconnect) instead of @import here, so the browser discovers and
   fetches it in parallel with this stylesheet rather than after it. */

@font-face {
  font-family: 'Unbounded';
  font-style: normal;
  font-weight: 200 900;
  font-display: swap;
  src: url('../fonts/Unbounded-VariableFont_wght.ttf') format('truetype-variations'),
       url('../fonts/Unbounded-VariableFont_wght.ttf') format('truetype');
}

:root {
  --navy:        #0E1A2B;
  --white:       #FFFFFF;
  --horizon:     #4C6A8A;
  --mist:        #A9C0D6;
  --dune:        #E9E2D6;

  --text-dark:    #0D1B2A;
  --text-mid:     #4A5568;
  --text-light:   #8899AA;
  --border:       #E2E8F0;
  --border-subtle:#F0F4F8;

  --ghost-stroke: rgba(169, 192, 214, .35);
  --ghost-hover:  rgba(169, 192, 214, .12);

  --ff-display: 'Unbounded', system-ui, sans-serif;
  --ff-body:    'Geist', system-ui, sans-serif;
  --ff-mono:    'Geist Mono', ui-monospace, monospace;

  --radius-md:   7px;
  --ease-out-quint: cubic-bezier(.16, 1, .3, 1);
  --ease-in-out:    cubic-bezier(.45, 0, .55, 1);

  --section-pad-y: clamp(88px, 13vw, 168px);
  --section-pad-x: clamp(16px, 4vw, 52px);
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--ff-body);
  font-size: 15px;
  font-weight: 300;
  line-height: 1.8;
  color: var(--text-dark);
  background: var(--white);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection { background: var(--navy); color: #fff; }

img { display: block; }
h1, h2, h3, p, ul, address { margin: 0; }
address { font-style: normal; }

.container { max-width: 1400px; margin: 0 auto; }

.section { padding: var(--section-pad-y) var(--section-pad-x); }
.section--dark { background: var(--navy); color: #fff; }
.section--tint { background: var(--border-subtle); }

/* ---------- Keyframes ---------- */
@keyframes ssHeroZoom {
  0%   { transform: scale(1.12) translate3d(0,0,0); }
  100% { transform: scale(1.2) translate3d(-1.5%,-1%,0); }
}
@keyframes ssLineSweep {
  0%   { transform: translateX(-10%); opacity: .3; }
  50%  { transform: translateX(150%); opacity: 1; }
  100% { transform: translateX(260%); opacity: .3; }
}
@keyframes ssNudge {
  0%, 100% { transform: scaleX(.4); opacity: .45; }
  50%      { transform: scaleX(1);  opacity: 1; }
}
@keyframes ssHeroRise {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ---------- Motion: reveal-on-scroll ----------
   Hidden states only apply once JS adds .motion to <html>,
   so content is always visible without JS / with reduced motion. */
.motion [data-reveal] {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity .9s var(--ease-out-quint), transform .9s var(--ease-out-quint);
  will-change: opacity, transform;
}
.motion [data-reveal].in { opacity: 1; transform: none; }

.motion [data-rise="1"] { animation: ssHeroRise .95s var(--ease-out-quint) .1s both; }
.motion [data-rise="2"] { animation: ssHeroRise .95s var(--ease-out-quint) .22s both; }
.motion [data-rise="3"] { animation: ssHeroRise .95s var(--ease-out-quint) .42s both; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; }
  html { scroll-behavior: auto; }
}

/* ---------- Shared primitives ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--ff-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--horizon);
}
.eyebrow::before {
  content: '';
  width: 22px;
  height: 1px;
  background: currentColor;
  opacity: .7;
}
.eyebrow--dark { color: var(--mist); }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 22px;
  font-family: var(--ff-body);
  font-size: 14px;
  font-weight: 500;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: transform .2s var(--ease-out-quint), background .2s, border-color .2s, color .2s;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn--lg { padding: 14px 28px; font-size: 15px; }
.btn--white { background: #fff; color: var(--navy); }
.btn--white:hover { background: #F0F4F8; }
.btn--ghost { background: transparent; color: #fff; border-color: var(--ghost-stroke); }
.btn--ghost:hover { background: var(--ghost-hover); border-color: var(--mist); }

.icon { display: inline-block; vertical-align: middle; flex-shrink: 0; }

/* ============================================================
   NAV
   ============================================================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: 68px;
  display: flex;
  align-items: center;
  padding: 0 clamp(16px, 4vw, 52px);
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background .4s var(--ease-out-quint), border-color .4s, backdrop-filter .4s;
}
.nav.is-scrolled {
  background: rgba(13,27,42,.8);
  backdrop-filter: blur(20px) saturate(140%);
  -webkit-backdrop-filter: blur(20px) saturate(140%);
  border-bottom-color: rgba(169,192,214,.16);
}
.nav__inner {
  flex: 1;
  max-width: 1400px;
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 28px;
}
.nav__brand {
  text-decoration: none;
  color: #fff;
  font-family: var(--ff-display);
  font-weight: 600;
  font-size: 18px;
  letter-spacing: -.035em;
  white-space: nowrap;
}
.nav__center {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 30px;
}
.nav__center a {
  font-family: var(--ff-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: rgba(255,255,255,.82);
  text-decoration: none;
  transition: color .2s;
}
.nav__center a:hover { color: #fff; }
.nav__cta {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 9px 18px;
  border-radius: var(--radius-md);
  font-family: var(--ff-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .16em;
  text-transform: uppercase;
  text-decoration: none;
  color: #fff;
  border: 1px solid rgba(255,255,255,.4);
  transition: border-color .2s, background .2s;
}
.nav__cta:hover { border-color: #fff; background: rgba(255,255,255,.08); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  width: 100%;
  height: clamp(640px, 100svh, 1040px);
  overflow: hidden;
  background: #0E1A2B;
  color: #fff;
}
.hero__bg {
  position: absolute;
  inset: -8%;
  background-image: url('../assets/photo-hero-wind.jpg');
  background-size: cover;
  background-position: center 60%;
  filter: saturate(.92) brightness(.94);
  will-change: transform;
}
.motion .hero__bg { animation: ssHeroZoom 30s ease-in-out infinite alternate; }
.hero__shade { position: absolute; inset: 0; }
.hero__shade--v { background: linear-gradient(180deg, rgba(14,26,43,.5) 0%, rgba(14,26,43,.3) 35%, rgba(14,26,43,.4) 70%, rgba(14,26,43,.62) 100%); }
.hero__shade--h { background: linear-gradient(90deg, rgba(14,26,43,.62) 0%, rgba(14,26,43,.32) 38%, rgba(14,26,43,0) 68%); }

.hero__content {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  padding: clamp(120px,16vh,184px) clamp(16px,4vw,52px) clamp(28px,5vh,56px);
  max-width: 1400px;
  margin: 0 auto;
}
.hero__main { flex: 1; display: flex; flex-direction: column; }
.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 13px;
  font-family: var(--ff-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: rgba(255,255,255,.9);
}
.hero__eyebrow-line { width: 24px; height: 1px; background: rgba(255,255,255,.7); }
.hero__title {
  font-family: var(--ff-display);
  font-weight: 400;
  font-size: clamp(34px, 5.4vw, 84px);
  line-height: 1.0;
  letter-spacing: -.042em;
  margin: clamp(24px,3vw,44px) 0 0;
  color: #fff;
  text-wrap: balance;
  max-width: 17ch;
}
.hero__sub { max-width: 600px; margin-top: clamp(24px,3vw,40px); }
.hero__lead {
  font-weight: 300;
  font-size: clamp(14px,1.05vw,16px);
  line-height: 1.7;
  color: rgba(255,255,255,.84);
  margin: 0 0 12px;
}
.hero__lead2 {
  font-weight: 300;
  font-size: clamp(13px,1vw,15px);
  line-height: 1.7;
  color: rgba(255,255,255,.66);
}
.hero__ctas { display: flex; gap: 12px; margin-top: clamp(24px,3vw,32px); flex-wrap: wrap; }

.hero__meta { margin-top: clamp(28px,4vh,52px); }
.hero__rule {
  position: relative;
  height: 1px;
  width: 100%;
  background: linear-gradient(90deg, rgba(255,255,255,.32), rgba(255,255,255,.06));
  margin-bottom: 18px;
}
.hero__rule-sweep {
  position: absolute;
  left: 0; top: 0;
  height: 1px;
  width: 40%;
  background: linear-gradient(90deg, var(--mist), transparent);
}
.motion .hero__rule-sweep { animation: ssLineSweep 6s var(--ease-in-out) infinite; }
.hero__meta-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: rgba(255,255,255,.7);
}
.hero__scroll { display: inline-flex; align-items: center; gap: 12px; }
.hero__scroll-nudge {
  display: inline-block;
  width: 30px;
  height: 1px;
  background: rgba(255,255,255,.6);
  transform-origin: left;
}
.motion .hero__scroll-nudge { animation: ssNudge 2.4s ease-in-out infinite; }

/* ============================================================
   TECHNOLOGIES
   ============================================================ */
.tech__intro {
  display: grid;
  grid-template-columns: 64px minmax(0,1fr) minmax(0,1.4fr);
  gap: clamp(16px,2vw,40px);
  align-items: flex-start;
  margin-bottom: clamp(48px,7vw,96px);
}
.tech__intro-head { grid-column: 1 / 3; }
.tech__title {
  font-family: var(--ff-display);
  font-weight: 400;
  font-size: clamp(28px, 4.2vw, 60px);
  line-height: 1.04;
  letter-spacing: -.04em;
  color: #fff;
  margin: 28px 0 0;
  text-wrap: balance;
}
.tech__lead {
  font-weight: 300;
  font-size: clamp(15px,1.1vw,18px);
  line-height: 1.8;
  color: rgba(255,255,255,.72);
  max-width: 500px;
  padding-top: clamp(40px, 4.2vw, 60px);
}
.tech__row {
  display: grid;
  grid-template-columns: 64px minmax(0,1fr) minmax(0,1.4fr);
  gap: clamp(16px,2vw,40px);
  align-items: baseline;
  padding: clamp(24px,2.6vw,36px) 0;
  border-top: 1px solid rgba(169,192,214,.22);
}
.tech__num { font-family: var(--ff-mono); font-size: 12px; letter-spacing: .16em; color: var(--mist); }
.tech__row-title {
  font-family: var(--ff-display);
  font-weight: 400;
  font-size: clamp(20px, 2.2vw, 30px);
  line-height: 1.1;
  letter-spacing: -.03em;
  color: #fff;
}
.tech__row-desc {
  font-weight: 300;
  font-size: clamp(15px,1.05vw,17px);
  line-height: 1.7;
  color: rgba(255,255,255,.78);
}
.tech__endline { border-top: 1px solid rgba(169,192,214,.22); }

/* ============================================================
   CHALLENGE
   ============================================================ */
.challenge__grid {
  display: grid;
  grid-template-columns: minmax(0,1.05fr) minmax(0,1fr);
  gap: clamp(32px, 6vw, 100px);
  align-items: end;
}
.challenge__title {
  font-family: var(--ff-display);
  font-weight: 400;
  font-size: clamp(28px, 3.8vw, 56px);
  line-height: 1.04;
  letter-spacing: -.04em;
  color: var(--text-dark);
  margin: 28px 0 0;
  text-wrap: balance;
  max-width: 16ch;
}
.challenge__copy { margin-top: clamp(36px, 5vw, 56px); max-width: 600px; }
.challenge__copy p {
  font-weight: 300;
  font-size: clamp(15px, 1.1vw, 18px);
  line-height: 1.8;
  color: var(--text-mid);
  margin: 0 0 22px;
}
.challenge__copy p.challenge__closer {
  font-family: var(--ff-display);
  font-weight: 400;
  font-size: clamp(20px, 2vw, 28px);
  line-height: 1.3;
  letter-spacing: -.025em;
  color: var(--navy);
  margin: 12px 0 0;
}
.challenge__photo {
  position: relative;
  height: clamp(420px, 56vh, 560px);
  width: 100%;
  overflow: hidden;
  background: var(--border-subtle);
}
.challenge__photo img {
  position: absolute;
  left: 50%; top: 50%;
  width: 100%; height: 100%;
  max-width: none;
  transform: translate(-50%,-50%);
  object-fit: cover;
}
.challenge__photo-shade {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(14,26,43,0) 62%, rgba(14,26,43,.22) 100%);
}

/* ============================================================
   HOW WE HELP
   ============================================================ */
.help__intro { margin-bottom: clamp(48px,7vw,88px); max-width: 760px; }
.help__title {
  font-family: var(--ff-display);
  font-weight: 400;
  font-size: clamp(28px, 4.2vw, 60px);
  line-height: 1.04;
  letter-spacing: -.04em;
  color: var(--text-dark);
  margin: 28px 0 0;
  text-wrap: balance;
}
.help__lead {
  font-weight: 300;
  font-size: clamp(15px,1.1vw,18px);
  line-height: 1.8;
  color: var(--text-mid);
  margin: clamp(20px,2.5vw,28px) 0 0;
  max-width: 560px;
}
.help__endline { border-top: 1px solid var(--border); }

.help-block { border-top: 1px solid var(--border); }
.help-block__head {
  display: grid;
  grid-template-columns: 64px minmax(0,1fr) auto;
  gap: clamp(16px,2vw,32px);
  align-items: baseline;
  width: 100%;
  padding: clamp(28px,3.2vw,44px) 0 0;
  background: none;
  border: 0;
  cursor: pointer;
  text-align: left;
  font: inherit;
  color: inherit;
}
.help-block__num { font-family: var(--ff-mono); font-size: 12px; letter-spacing: .18em; color: var(--horizon); }
.help-block__kicker {
  display: block;
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--text-light);
  margin-bottom: 14px;
}
.help-block__title {
  display: block;
  font-family: var(--ff-display);
  font-weight: 400;
  font-size: clamp(22px, 2.8vw, 38px);
  line-height: 1.06;
  letter-spacing: -.035em;
  color: var(--text-dark);
  text-wrap: balance;
}
.help-block__toggle {
  justify-self: end;
  align-self: center;
  width: 40px; height: 40px;
  border-radius: 50%;
  border: 1px solid var(--border);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 300;
  color: var(--horizon);
  transition: transform .45s var(--ease-out-quint), border-color .2s;
}
.help-block.is-open .help-block__toggle { transform: rotate(45deg); }

.help-block__panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows .55s var(--ease-out-quint);
}
.help-block.is-open .help-block__panel { grid-template-rows: 1fr; }
.help-block__panel-clip { overflow: hidden; }
.help-block__body {
  display: grid;
  grid-template-columns: 64px minmax(0,1fr) minmax(0,1fr);
  gap: clamp(16px,2vw,32px);
  padding-top: 26px;
  padding-bottom: clamp(28px,3.2vw,44px);
}
.help-block__desc {
  font-weight: 300;
  font-size: clamp(15px,1.1vw,17px);
  line-height: 1.8;
  color: var(--text-mid);
  max-width: 520px;
}
.help-block__list-title {
  font-family: var(--ff-mono);
  font-size: 10px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--text-light);
  margin-bottom: 18px;
}
.help-block__items { list-style: none; margin: 0; padding: 0; }
.help-block__items li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 7px 0;
  border-bottom: 1px solid var(--border-subtle);
  font-weight: 300;
  font-size: 14.5px;
  line-height: 1.5;
  color: var(--text-dark);
}
.help-block__items li::before {
  content: '';
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--mist);
  margin-top: 8px;
  flex-shrink: 0;
}
/* Closed panel must not pad — padding lives on the body so the
   0fr row really collapses. */
.help-block:not(.is-open) .help-block__head { padding-bottom: clamp(28px,3.2vw,44px); }

/* ============================================================
   CASES
   ============================================================ */
.cases__intro {
  display: grid;
  grid-template-columns: minmax(0,1fr) minmax(0,1.1fr);
  gap: clamp(28px,6vw,100px);
  align-items: flex-start;
}
.cases__title {
  font-family: var(--ff-display);
  font-weight: 400;
  font-size: clamp(28px, 4.2vw, 60px);
  line-height: 1.04;
  letter-spacing: -.04em;
  color: var(--text-dark);
  margin: 28px 0 0;
  text-wrap: balance;
}
.cases__copy { max-width: 600px; padding-top: clamp(40px, 4.2vw, 60px); }
.cases__copy p {
  font-weight: 300;
  font-size: clamp(15px,1.1vw,17px);
  line-height: 1.8;
  color: var(--text-mid);
  margin: 0 0 20px;
}
.cases__featured {
  margin-top: clamp(56px, 9vw, 112px);
  display: grid;
  grid-template-columns: minmax(0,1fr) minmax(0,1.05fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: stretch;
}
.cases__media {
  position: relative;
  min-height: 360px;
  overflow: hidden;
  background: var(--border-subtle);
}
.cases__media img {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
}
.cases__media-label {
  position: absolute;
  left: 20px; top: 20px;
  z-index: 2;
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: #fff;
  text-shadow: 0 1px 12px rgba(14,26,43,.5);
}
.cases__case-title {
  font-family: var(--ff-display);
  font-weight: 400;
  font-size: clamp(22px, 2.6vw, 34px);
  line-height: 1.1;
  letter-spacing: -.03em;
  color: var(--text-dark);
  text-wrap: balance;
}
.cases__case-intro {
  font-weight: 300;
  font-size: clamp(15px,1.05vw,16px);
  line-height: 1.75;
  color: var(--text-mid);
  margin: 20px 0 32px;
}
.cases__parts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 clamp(24px,3vw,48px);
}
.cases__part { padding: 20px 0; border-top: 1px solid var(--border); }
.cases__part-k {
  font-family: var(--ff-mono);
  font-size: 10px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--horizon);
  margin-bottom: 12px;
}
.cases__part-v {
  font-weight: 300;
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--text-dark);
}
.cases__upcoming {
  margin-top: clamp(40px, 6vw, 72px);
  padding-top: 28px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  flex-wrap: wrap;
}
.cases__upcoming-title {
  font-family: var(--ff-display);
  font-weight: 400;
  font-size: clamp(18px,2vw,24px);
  letter-spacing: -.02em;
  color: var(--text-light);
}
.cases__upcoming-note {
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--text-light);
}

/* ============================================================
   PEOPLE
   ============================================================ */
.people { padding: var(--section-pad-y) var(--section-pad-x) 0; }
.people__intro {
  display: grid;
  grid-template-columns: minmax(0,1fr) minmax(0,1.1fr);
  gap: clamp(28px,6vw,100px);
  align-items: flex-start;
}
.people__title {
  font-family: var(--ff-display);
  font-weight: 400;
  font-size: clamp(28px, 4.2vw, 60px);
  line-height: 1.04;
  letter-spacing: -.04em;
  color: var(--text-dark);
  margin: 28px 0 0;
  text-wrap: balance;
}
.people__lead {
  font-weight: 300;
  font-size: clamp(15px,1.1vw,18px);
  line-height: 1.8;
  color: var(--text-mid);
  max-width: 600px;
  padding-top: clamp(40px, 4.2vw, 60px);
}
.people__roles { margin-top: clamp(48px, 7vw, 88px); }
.people__roles-title {
  font-family: var(--ff-mono);
  font-size: 10px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--text-light);
  margin-bottom: 8px;
}
.people__roles-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 clamp(32px, 5vw, 80px);
}
.people__role { padding: clamp(22px,2.4vw,30px) 0; border-top: 1px solid var(--border); }
.people__role h3 {
  font-family: var(--ff-display);
  font-weight: 500;
  font-size: clamp(17px, 1.5vw, 21px);
  letter-spacing: -.02em;
  color: var(--text-dark);
  margin: 0 0 10px;
}
.people__role p {
  font-weight: 300;
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--text-mid);
  max-width: 480px;
}

/* Ecosystem band — full bleed */
.eco {
  position: relative;
  margin-top: clamp(72px, 10vw, 140px);
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);
  width: 100vw;
  min-height: clamp(460px, 66vh, 700px);
  overflow: hidden;
  display: flex;
  align-items: flex-end;
}
.eco__bg {
  position: absolute;
  inset: -8%;
  /* background-image set lazily by JS via [data-bg] once in view */
  background-color: var(--navy, #0E1A2B);
  background-size: cover;
  background-position: center 55%;
  filter: saturate(.98);
  will-change: transform;
}
.eco__shade { position: absolute; inset: 0; }
.eco__shade--v { background: linear-gradient(180deg, rgba(14,26,43,.28) 0%, rgba(14,26,43,.08) 42%, rgba(14,26,43,.62) 84%, rgba(14,26,43,.86) 100%); }
.eco__shade--h { background: linear-gradient(90deg, rgba(14,26,43,.7) 0%, rgba(14,26,43,.3) 34%, rgba(14,26,43,0) 58%); }
.eco__content {
  position: relative;
  z-index: 2;
  max-width: 1400px;
  margin: 0 auto;
  width: 100%;
  padding: clamp(40px,6vw,88px) clamp(16px,4vw,52px);
}
.eco__copy { max-width: 720px; }
.eco__title {
  font-family: var(--ff-display);
  font-weight: 400;
  font-size: clamp(26px, 3.4vw, 46px);
  line-height: 1.08;
  letter-spacing: -.035em;
  color: #fff;
  margin: 24px 0 0;
  text-wrap: balance;
  text-shadow: 0 2px 28px rgba(14,26,43,.6);
}
.eco__body {
  font-weight: 300;
  font-size: clamp(15px,1.1vw,17px);
  line-height: 1.75;
  color: rgba(255,255,255,.92);
  margin: 22px 0 0;
  max-width: 620px;
  text-shadow: 0 1px 20px rgba(14,26,43,.5);
}
.eco__closer {
  font-weight: 400;
  font-size: clamp(15px,1.1vw,17px);
  line-height: 1.6;
  color: #fff;
  margin: 18px 0 0;
  text-shadow: 0 1px 20px rgba(14,26,43,.5);
}

/* ============================================================
   POC
   ============================================================ */
.poc__intro {
  display: grid;
  grid-template-columns: minmax(0,1.15fr) minmax(0,1fr);
  gap: clamp(28px,5vw,80px);
  align-items: flex-start;
}
.poc__title {
  font-family: var(--ff-display);
  font-weight: 400;
  font-size: clamp(28px, 3.8vw, 56px);
  line-height: 1.05;
  letter-spacing: -.04em;
  color: #fff;
  margin: 28px 0 0;
  text-wrap: balance;
  max-width: 18ch;
}
.poc__copy { max-width: 480px; padding-top: clamp(40px, 4.2vw, 60px); }
.poc__copy p {
  font-weight: 300;
  font-size: clamp(15px,1.1vw,17px);
  line-height: 1.8;
  color: rgba(255,255,255,.78);
  margin: 0 0 20px;
}
.poc__lists {
  margin-top: clamp(48px, 7vw, 88px);
  display: grid;
  grid-template-columns: minmax(0,1.15fr) minmax(0,1fr);
  gap: clamp(28px,5vw,80px);
}
.poc__list-title {
  font-family: var(--ff-mono);
  font-size: 10px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--mist);
  margin-bottom: 20px;
}
.poc__items { list-style: none; margin: 0; padding: 0; }
.poc__items li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 11px 0;
  border-top: 1px solid rgba(169,192,214,.2);
  font-weight: 300;
  font-size: 15.5px;
  line-height: 1.5;
  color: rgba(255,255,255,.88);
}
.poc__items li::before {
  content: '';
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--mist);
  margin-top: 8px;
  flex-shrink: 0;
}
.poc__ctas { display: flex; gap: 12px; margin-top: clamp(40px,5vw,64px); flex-wrap: wrap; }

/* ============================================================
   FINAL CTA
   ============================================================ */
.cta {
  position: relative;
  overflow: hidden;
  background: #0E1A2B;
  color: #fff;
}
.cta__bg {
  position: absolute;
  inset: -8%;
  /* background-image set lazily by JS via [data-bg] once in view */
  background-color: #0E1A2B;
  background-size: cover;
  background-position: center 62%;
  filter: saturate(.8) brightness(.7);
  will-change: transform;
}
.cta__shade {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(14,26,43,.82) 0%, rgba(14,26,43,.7) 45%, rgba(14,26,43,.94) 100%);
}
.cta__content {
  position: relative;
  z-index: 2;
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--section-pad-y) var(--section-pad-x);
}
.cta__grid {
  display: grid;
  grid-template-columns: minmax(0,1fr) minmax(0,520px);
  gap: clamp(40px, 7vw, 110px);
  align-items: center;
}
.cta__title {
  font-family: var(--ff-display);
  font-weight: 400;
  font-size: clamp(30px, 4.4vw, 60px);
  line-height: 1.06;
  letter-spacing: -.04em;
  color: #fff;
  margin: 28px 0 0;
  max-width: 18ch;
  text-wrap: balance;
}
.cta__p {
  font-weight: 300;
  font-size: clamp(15px,1.1vw,17px);
  line-height: 1.75;
  color: rgba(255,255,255,.82);
  margin: 22px 0 0;
  max-width: 520px;
}
.cta__card {
  background: rgba(13,27,42,.5);
  border: 1px solid rgba(169,192,214,.22);
  border-radius: 16px;
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  padding: clamp(26px, 3vw, 40px);
}
.cta__form { display: flex; flex-direction: column; gap: 18px; }
.cta__form-head { margin-bottom: 4px; }
.cta__form-label {
  font-family: var(--ff-mono);
  font-size: 10px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--mist);
  margin-bottom: 10px;
}
.cta__form-heading {
  font-family: var(--ff-display);
  font-weight: 400;
  font-size: clamp(20px,2vw,26px);
  letter-spacing: -.025em;
  color: #fff;
}
.field { display: block; }
.field__label {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 9px;
  font-family: var(--ff-mono);
  font-size: 10px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--mist);
}
.field__req { color: #fff; opacity: .55; }
.field__pill {
  font-size: 9px;
  letter-spacing: .12em;
  color: rgba(255,255,255,.4);
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 3px;
  padding: 1px 6px;
}
.field__input {
  width: 100%;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(169,192,214,.28);
  border-radius: var(--radius-md);
  padding: 13px 16px;
  font-family: var(--ff-body);
  font-weight: 300;
  font-size: 15px;
  color: #fff;
  outline: none;
  transition: border-color .2s, background .2s;
}
.field__input::placeholder { color: rgba(255,255,255,.35); }
.field__input:focus { background: rgba(255,255,255,.08); border-color: var(--mist); }
.field__input--area { padding: 14px 16px; resize: vertical; min-height: 96px; }
.cta__submit {
  margin-top: 4px;
  width: 100%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: #fff;
  color: var(--navy);
  border: 0;
  border-radius: var(--radius-md);
  padding: 15px 24px;
  cursor: pointer;
  font-family: var(--ff-body);
  font-size: 15px;
  font-weight: 500;
  transition: transform .2s var(--ease-out-quint), background .2s;
}
.cta__submit:hover { transform: translateY(-1px); background: #F0F4F8; }
.cta__submit:disabled,
.cta__submit.is-loading { opacity: .55; cursor: progress; transform: none; }
/* Honeypot — kept in the layout but hidden from people and assistive tech. */
.cta__hp {
  position: absolute;
  left: -9999px;
  width: 1px; height: 1px;
  overflow: hidden;
}
.cta__form-error {
  margin: 2px 0 0;
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: .04em;
  color: #ffb4a8;
}
.cta__form-error[hidden] { display: none; }
.cta__form-sub {
  margin: 2px 0 0;
  font-family: var(--ff-mono);
  font-size: 10px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: rgba(255,255,255,.5);
}
.cta__success {
  min-height: 360px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  gap: 20px;
}
.cta__success[hidden] { display: none; }
.cta__success-ring {
  width: 52px; height: 52px;
  border-radius: 50%;
  border: 1px solid var(--mist);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.cta__success p {
  font-family: var(--ff-display);
  font-weight: 400;
  font-size: clamp(20px,2vw,26px);
  line-height: 1.25;
  letter-spacing: -.02em;
  color: #fff;
  max-width: 24ch;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--navy);
  color: #fff;
  padding: clamp(64px, 9vw, 120px) clamp(16px, 4vw, 52px) clamp(36px, 5vw, 52px);
  border-top: 1px solid rgba(255,255,255,.1);
}
.footer__grid {
  display: grid;
  grid-template-columns: minmax(0,1.4fr) repeat(4, minmax(0,1fr));
  gap: clamp(24px, 4vw, 56px);
  padding-bottom: clamp(40px, 5vw, 56px);
}
.footer__brand {
  font-family: var(--ff-display);
  font-weight: 600;
  font-size: 20px;
  letter-spacing: -.035em;
  margin-bottom: 16px;
}
.footer__about {
  max-width: 340px;
  font-weight: 300;
  font-size: 14.5px;
  line-height: 1.7;
  color: rgba(255,255,255,.72);
}
.footer__col-label {
  font-family: var(--ff-mono);
  font-size: 10px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--mist);
  margin-bottom: 20px;
}
.footer__address {
  line-height: 1.9;
  font-size: 14px;
  font-weight: 300;
  color: rgba(255,255,255,.72);
}
.footer__links { display: flex; flex-direction: column; gap: 6px; font-size: 14px; font-weight: 300; }
.footer__links a { color: #fff; text-decoration: none; transition: color .2s; }
.footer__links a:hover { color: var(--mist); }
.footer__bottom {
  padding-top: 26px;
  border-top: 1px solid rgba(255,255,255,.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: rgba(255,255,255,.55);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .se-intro-grid     { grid-template-columns: 1fr !important; gap: 24px !important; align-items: flex-start !important; }
  .se-cta-grid       { grid-template-columns: 1fr !important; gap: 36px !important; align-items: flex-start !important; }
  .se-challenge-grid { grid-template-columns: 1fr !important; gap: 40px !important; }
  .se-challenge-photo{ height: clamp(300px, 50vh, 440px) !important; }
  .se-case-grid      { grid-template-columns: 1fr !important; }
  .se-tech-row       { grid-template-columns: 48px 1fr !important; }
  .se-tech-row p     { grid-column: 2; margin-top: 12px; }
  .se-footer-grid    { grid-template-columns: 1fr 1fr !important; }
  .tech__intro-head  { grid-column: auto; }
}
@media (max-width: 680px) {
  .nav__center { display: none; }
  .nav__cta    { display: none; }
  .se-help-head { grid-template-columns: 40px 1fr auto !important; }
  .se-help-body { grid-template-columns: 1fr !important; }
  .se-help-body > span:first-child { display: none; }
  .se-case-parts  { grid-template-columns: 1fr !important; }
  .se-roles-grid  { grid-template-columns: 1fr !important; }
  .se-poc-grid    { grid-template-columns: 1fr !important; gap: 32px !important; }
  .se-footer-grid { grid-template-columns: 1fr !important; }
}
