/* ============================================================
   Buffalo Tree & Grading — styles  (forest / professional)
   ============================================================ */

:root {
  /* brand */
  --green:      #2f7d34;   /* logo green */
  --green-600:  #256a2a;
  --green-700:  #1c5021;
  --green-900:  #11391b;   /* deep forest — dark sections */
  --green-950:  #0b2912;

  --ink:        #18261c;   /* near-black text */
  --ink-soft:   #2c3a30;
  --muted:      #5e6f63;
  --muted-2:    #8a978c;
  --line:       #e3e8dd;
  --line-dark:  #20402a;

  --bg:         #ffffff;
  --bg-soft:    #f4f7ef;
  --bg-tint:    #e9f0e1;
  --cream:      #fbfcf8;

  --sand:       #c7a877;   /* warm earth accent (materials) */

  --accent:     var(--green);
  --accent-ink: #ffffff;

  --maxw: 1180px;
  --radius: 14px;
  --ease: cubic-bezier(.16,.84,.44,1);
  --shadow-sm: 0 6px 18px -10px rgba(17,57,27,.35);
  --shadow:    0 26px 50px -28px rgba(11,41,18,.55);

  --ff-display: "Barlow Condensed", "Barlow", system-ui, sans-serif;
  --ff-ui:      "Barlow", system-ui, -apple-system, sans-serif;
  --ff-body:    "Inter", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 84px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--ff-body);
  font-size: 17px;
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1,h2,h3 { margin: 0; line-height: 1.04; }
p { margin: 0; }
a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
ul, ol { margin: 0; padding: 0; list-style: none; }

.eyebrow {
  font-family: var(--ff-ui);
  text-transform: uppercase;
  letter-spacing: .2em;
  font-size: .76rem;
  font-weight: 700;
  color: var(--green);
  margin-bottom: 1rem;
  display: inline-flex;
  align-items: center;
  gap: .6em;
}
.eyebrow::before {
  content: "";
  width: 26px; height: 2px;
  background: var(--green);
  display: inline-block;
}

/* ---------- Buttons ---------- */
.btn {
  --pad: .82em 1.5em;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .55em;
  padding: var(--pad);
  font-family: var(--ff-ui);
  font-weight: 700;
  letter-spacing: .02em;
  font-size: .98rem;
  border-radius: 10px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform .25s var(--ease), background .25s, color .25s, border-color .25s, box-shadow .25s;
  will-change: transform;
}
.btn--lg { --pad: 1.02em 2em; font-size: 1.04rem; }
.btn--block { width: 100%; }
.btn--accent {
  background: var(--green);
  color: var(--accent-ink);
  box-shadow: 0 12px 26px -12px rgba(47,125,52,.7);
}
.btn--accent:hover { background: var(--green-600); transform: translateY(-2px); }
.btn--ghost {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,.45);
}
.btn--ghost:hover { border-color: #fff; background: rgba(255,255,255,.1); transform: translateY(-2px); }

/* ---------- Scroll progress ---------- */
.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, var(--green), #6bbf5f);
  z-index: 200;
  transition: width .08s linear;
}

/* ---------- Nav (solid white, professional) ---------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 150;
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow .3s, padding .3s;
  padding: 12px 0;
}
.nav.is-scrolled { box-shadow: 0 10px 30px -20px rgba(11,41,18,.5); }
.nav__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 24px;
}
.brand { display: flex; align-items: center; gap: 12px; color: var(--ink); }
.brand__logo { height: 42px; width: auto; transition: height .3s; }
.nav.is-scrolled .brand__logo { height: 36px; }
.brand__text { display: flex; flex-direction: column; line-height: 1; }
.brand__text strong {
  font-family: var(--ff-display);
  font-weight: 700;
  letter-spacing: .02em;
  font-size: 1.5rem;
  text-transform: uppercase;
}
.brand__text em {
  font-style: normal;
  font-size: .72rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--green);
  font-weight: 600;
  margin-top: 2px;
}
.brand__text--light strong { color: #fff; }

.nav__links { display: flex; gap: 28px; margin-left: auto; }
.nav__links a {
  font-family: var(--ff-ui);
  font-weight: 600;
  font-size: .98rem;
  color: var(--ink-soft);
  position: relative;
  padding: 4px 0;
}
.nav__links a::after {
  content: "";
  position: absolute; left: 0; bottom: -2px;
  height: 2px; width: 0;
  background: var(--green);
  transition: width .25s var(--ease);
}
.nav__links a:hover { color: var(--green); }
.nav__links a:hover::after { width: 100%; }
.nav__cta { margin-left: 4px; }

.nav__toggle {
  display: none;
  margin-left: auto;
  flex-direction: column;
  gap: 5px;
  background: none; border: 0; cursor: pointer; padding: 8px;
}
.nav__toggle span {
  width: 26px; height: 2.6px; background: var(--ink); border-radius: 2px;
  transition: transform .3s, opacity .3s;
}
.nav.is-open .nav__toggle span:nth-child(1) { transform: translateY(7.6px) rotate(45deg); }
.nav.is-open .nav__toggle span:nth-child(2) { opacity: 0; }
.nav.is-open .nav__toggle span:nth-child(3) { transform: translateY(-7.6px) rotate(-45deg); }

.nav__mobile {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: 8px 24px 18px;
  max-width: var(--maxw);
  margin: 0 auto;
  background: #fff;
}
.nav__mobile a {
  font-family: var(--ff-ui);
  font-weight: 600;
  padding: 12px 4px;
  border-bottom: 1px solid var(--line);
}
.nav__mobile .btn { margin-top: 10px; justify-content: center; }
.nav.is-open .nav__mobile { display: flex; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  overflow: hidden;
  isolation: isolate;
  background: var(--green-950);
  color: #fff;
}
.hero__layer { position: absolute; inset: 0; z-index: -3; }
.hero__photo {
  z-index: -3;
  inset: -8% -4%;            /* bleed so parallax never shows an edge */
  background: #0a2410 url("../assets/img/culvert.jpg") center 30% / cover no-repeat;
  transform-origin: center;
}
.hero__overlay {
  z-index: -2;
  background:
    linear-gradient(100deg, rgba(7,26,15,.94) 0%, rgba(7,26,15,.78) 34%, rgba(7,26,15,.4) 62%, rgba(7,26,15,.12) 100%),
    linear-gradient(0deg, rgba(7,26,15,.85) 0%, rgba(7,26,15,0) 45%);
}
.hero__grain {
  position: absolute; inset: 0; z-index: -1; pointer-events: none;
  opacity: .35;
  background-image: radial-gradient(rgba(255,255,255,.06) 1px, transparent 1px);
  background-size: 4px 4px;
}
.hero__content {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 140px 24px 90px;
  width: 100%;
}
.hero .eyebrow { color: #8fd194; }
.hero .eyebrow::before { background: #8fd194; }
.hero__title {
  font-family: var(--ff-display);
  font-weight: 700;
  font-size: clamp(2.9rem, 8.2vw, 6.6rem);
  letter-spacing: .005em;
  line-height: .92;
  text-transform: uppercase;
  margin: 0 0 1.4rem;
  text-shadow: 0 20px 60px rgba(0,0,0,.4);
}
.hero__title .line { display: block; }
.hero__title .accent { color: #6bbf5f; }
.hero__sub {
  max-width: 48ch;
  color: rgba(255,255,255,.82);
  font-size: clamp(1.05rem, 2.2vw, 1.26rem);
  margin-bottom: 2.2rem;
}
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; }
.hero__badges {
  display: flex; flex-wrap: wrap; gap: 10px 26px;
  margin-top: 2rem;
}
.hero__badges li {
  display: inline-flex; align-items: center; gap: .55em;
  font-family: var(--ff-ui); font-weight: 600;
  font-size: .92rem; letter-spacing: .02em;
  color: rgba(255,255,255,.9);
}
.hero__badges li::before {
  content: ""; width: 8px; height: 8px; border-radius: 50%;
  background: #6bbf5f; box-shadow: 0 0 0 4px rgba(107,191,95,.2);
}
.hero__actions .btn--ghost svg { margin-right: -2px; }

.hero__scrollcue {
  position: absolute;
  left: 50%; bottom: 26px;
  transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  font-family: var(--ff-ui);
  font-size: .72rem;
  letter-spacing: .26em;
  text-transform: uppercase;
  color: rgba(255,255,255,.7);
  z-index: 2;
}
.hero__mouse {
  width: 24px; height: 38px;
  border: 2px solid rgba(255,255,255,.6);
  border-radius: 14px;
  display: grid; justify-items: center;
  padding-top: 6px;
}
.hero__mouse span {
  width: 4px; height: 8px; border-radius: 4px; background: #6bbf5f;
  animation: mouse 1.6s var(--ease) infinite;
}
@keyframes mouse {
  0% { transform: translateY(0); opacity: 1; }
  70% { transform: translateY(12px); opacity: 0; }
  100% { opacity: 0; }
}

/* ---------- Stats ---------- */
.stats { background: var(--green); color: #fff; }
.stats__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 34px 24px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.stat { text-align: center; position: relative; }
.stat:not(:last-child)::after {
  content: ""; position: absolute; right: -10px; top: 12%; height: 76%;
  width: 1px; background: rgba(255,255,255,.22);
}
.stat__num {
  display: block;
  font-family: var(--ff-display);
  font-weight: 700;
  font-size: clamp(2.3rem, 5vw, 3.4rem);
  line-height: 1;
}
.stat__label {
  display: block;
  font-family: var(--ff-ui);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .1em;
  font-size: .76rem;
  margin-top: 8px;
  opacity: .85;
}

/* ============================================================
   SCROLL-TO-PLAY STORY  (photographic scrollytelling)
   ============================================================ */
.story { position: relative; height: 440vh; background: var(--green-950); }
.story__sticky {
  position: sticky;
  top: 0;
  height: 100svh;
  overflow: hidden;
  background: #0a2410;
}
.story__stage { position: absolute; inset: 0; }
#siteCanvas {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  display: block;
  z-index: 1;
  opacity: 0;
  transition: opacity .9s ease;
}
.story.is-3d #siteCanvas { opacity: 1; }
.story.is-3d .story__panel { opacity: 0 !important; }
.story__panel {
  position: absolute;
  inset: 0;
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  opacity: 0;
  transform: scale(1.08);
  will-change: opacity, transform;
}
/* photo + graceful gradient fallback (shows if image file is absent) */
.sp-1 { background-image: url("../assets/img/pasture.jpg"),    linear-gradient(135deg,#3f6a40,#13351d); }
.sp-2 { background-image: url("../assets/img/culvert.jpg"),    linear-gradient(135deg,#6f5a3c,#2c2a1e); }
.sp-3 { background-image: url("../assets/img/wall.jpg"),       linear-gradient(135deg,#8a7256,#3a2f24); }
.sp-4 { background-image: url("../assets/img/commercial.jpg"), linear-gradient(135deg,#7d8aa0,#27313f); }

.story__scrim {
  position: absolute; inset: 0;
  background:
    linear-gradient(90deg, rgba(7,22,12,.92) 0%, rgba(7,22,12,.6) 38%, rgba(7,22,12,.1) 68%, rgba(7,22,12,0) 100%),
    linear-gradient(0deg, rgba(7,22,12,.78) 0%, rgba(7,22,12,0) 42%);
}
.story__grid-overlay {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(90deg, #000 0%, transparent 60%);
  -webkit-mask-image: linear-gradient(90deg, #000 0%, transparent 60%);
}

.story__overlay {
  position: absolute;
  inset: 0;
  z-index: 3;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 96px 24px 64px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  color: #fff;
  pointer-events: none;
}
.story__head { display: flex; align-items: center; justify-content: space-between; }
.story__kicker {
  font-family: var(--ff-ui);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .26em;
  font-size: .76rem;
  color: #8fd194;
  display: inline-flex; align-items: center; gap: .6em;
}
.story__kicker::before { content:""; width: 26px; height: 2px; background:#8fd194; }
.story__counter {
  font-family: var(--ff-display);
  font-size: 1.4rem;
  letter-spacing: .08em;
  color: rgba(255,255,255,.55);
}
.story__counter b { color: #fff; font-weight: 700; }

.story__captions { position: relative; min-height: 230px; max-width: 620px; }
.story__caption {
  position: absolute;
  left: 0; bottom: 0;
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .5s var(--ease), transform .5s var(--ease);
}
.story__caption.is-active { opacity: 1; transform: none; }
.story__step {
  display: inline-block;
  font-family: var(--ff-ui);
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  font-size: .8rem;
  color: #0a2410;
  background: #8fd194;
  margin-bottom: 1rem;
  padding: 7px 14px;
  border-radius: 8px;
}
.story__caption h2 {
  font-family: var(--ff-display);
  font-weight: 700;
  text-transform: uppercase;
  font-size: clamp(2.2rem, 6vw, 4rem);
  margin-bottom: .6rem;
  text-shadow: 0 14px 40px rgba(0,0,0,.45);
}
.story__caption p { color: rgba(255,255,255,.88); max-width: 50ch; font-size: 1.1rem; }

.story__progress {
  height: 4px;
  background: rgba(255,255,255,.18);
  border-radius: 4px;
  overflow: hidden;
  margin-top: 30px;
}
.story__progress span {
  display: block; height: 100%; width: 0%;
  background: linear-gradient(90deg, #6bbf5f, #8fd194);
}

.story__rail {
  position: absolute;
  top: 50%; right: 28px;
  transform: translateY(-50%);
  z-index: 4;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.story__rail button {
  pointer-events: auto;
  display: flex;
  align-items: center;
  gap: 12px;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 9px 12px;
  border-radius: 10px;
  color: rgba(255,255,255,.55);
  font-family: var(--ff-ui);
  text-align: left;
  transition: color .25s, background .25s;
}
.story__rail button .num {
  font-family: var(--ff-display);
  font-size: 1.05rem;
  width: 26px;
}
.story__rail button .lbl {
  font-weight: 600;
  font-size: .9rem;
  letter-spacing: .02em;
  max-width: 0;
  overflow: hidden;
  white-space: nowrap;
  opacity: 0;
  transition: max-width .35s var(--ease), opacity .35s;
}
.story__rail button:hover { color: #fff; background: rgba(255,255,255,.08); }
.story__rail button:hover .lbl { max-width: 180px; opacity: 1; }
.story__rail button.is-active { color: #fff; background: rgba(143,209,148,.16); }
.story__rail button.is-active .num { color: #8fd194; }
.story__rail button.is-active .lbl { max-width: 180px; opacity: 1; }

/* ---------- Section scaffolding ---------- */
.section-head {
  max-width: 760px;
  margin: 0 auto 56px;
  text-align: center;
  padding: 0 24px;
}
.section-head .eyebrow { justify-content: center; }
.section-title {
  font-family: var(--ff-display);
  font-weight: 700;
  text-transform: uppercase;
  font-size: clamp(2.2rem, 5vw, 3.7rem);
  letter-spacing: .01em;
}
.section-lead { color: var(--muted); margin-top: 1rem; font-size: 1.12rem; }

/* ---------- Services ---------- */
.services { padding: 110px 0; background: var(--bg); }
.services__grid {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.card {
  background: var(--cream);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 34px 30px;
  transition: transform .35s var(--ease), border-color .35s, box-shadow .35s;
  position: relative;
  overflow: hidden;
}
.card::before {
  content: "";
  position: absolute; left: 0; top: 0; height: 4px; width: 100%;
  background: linear-gradient(90deg, var(--green), transparent);
  transform: scaleX(0); transform-origin: left;
  transition: transform .4s var(--ease);
}
.card:hover { transform: translateY(-6px); border-color: rgba(47,125,52,.45); box-shadow: var(--shadow); }
.card:hover::before { transform: scaleX(1); }
.card__icon {
  width: 64px; height: 64px;
  display: grid; place-items: center;
  border-radius: 14px;
  background: var(--bg-tint);
  color: var(--green);
  margin-bottom: 22px;
}
.card h3 { font-family: var(--ff-ui); font-weight: 700; font-size: 1.3rem; margin-bottom: .55rem; }
.card p { color: var(--muted); font-size: 1rem; }

/* ---------- Process (dark forest band) ---------- */
.process {
  padding: 110px 0;
  background:
    radial-gradient(120% 80% at 100% 0%, #18512a 0%, transparent 55%),
    var(--green-900);
  color: #fff;
}
.process .eyebrow { color: #8fd194; }
.process .eyebrow::before { background: #8fd194; }
.section-head--light .section-title { color: #fff; }
.process__list {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.process__item {
  position: relative;
  padding-top: 28px;
  border-top: 2px solid rgba(255,255,255,.16);
}
.process__item::before {
  content: "";
  position: absolute; top: -2px; left: 0; height: 2px; width: 46px;
  background: #8fd194;
}
.process__num {
  font-family: var(--ff-display);
  font-weight: 700;
  font-size: 2.6rem;
  color: #8fd194;
  display: block;
  margin-bottom: .4rem;
}
.process__item h3 { font-family: var(--ff-ui); font-weight: 700; font-size: 1.25rem; margin-bottom: .5rem; }
.process__item p { color: rgba(255,255,255,.78); font-size: .98rem; }

/* ---------- Materials ---------- */
.materials { padding: 110px 0; background: var(--bg-soft); }
.materials__grid {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.material {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform .35s var(--ease), box-shadow .35s;
}
.material:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.material__swatch { height: 150px; position: relative; }
.material__swatch::after {
  content: "";
  position: absolute; inset: 0;
  background-image: radial-gradient(rgba(0,0,0,.22) 1.5px, transparent 1.6px);
  background-size: 9px 9px;
  mix-blend-mode: multiply;
  opacity: .7;
}
.material__swatch--topsoil  { background: radial-gradient(circle at 30% 30%, #6b4a2e, #3c2a18); }
.material__swatch--fill     { background: radial-gradient(circle at 30% 30%, #8a6f49, #54402a); }
.material__swatch--g57      { background: radial-gradient(circle at 30% 30%, #c2bcb0, #8a847a); }
.material__swatch--g34      { background: radial-gradient(circle at 30% 30%, #a9a59c, #6f6d63); }
.material__swatch--riprap   { background: radial-gradient(circle at 30% 30%, #9a9082, #574f44); }
.material__swatch--crushrun { background: radial-gradient(circle at 30% 30%, #b0a488, #756a52); }
.material__swatch--millings { background: radial-gradient(circle at 30% 30%, #45454a, #1e1e22); }
.material__swatch--hauling  { background: radial-gradient(circle at 30% 30%, #9a9a95, #59594f); }
.material__swatch--riprap::after { background-size: 16px 16px; }
.material__swatch--millings::after { opacity: .4; }
.material__body { padding: 22px 24px 26px; }
.material__body h3 { font-family: var(--ff-ui); font-weight: 700; font-size: 1.2rem; margin-bottom: .4rem; }
.material__body p { color: var(--muted); font-size: .96rem; margin-bottom: 1rem; }
.material__tag {
  font-family: var(--ff-ui);
  font-weight: 700;
  font-size: .72rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--green-700);
  background: var(--bg-tint);
  padding: 6px 12px;
  border-radius: 999px;
}
.materials__cta {
  max-width: var(--maxw);
  margin: 48px auto 0;
  padding: 36px 24px;
  text-align: center;
  display: flex; flex-direction: column; align-items: center; gap: 18px;
}
.materials__cta p { font-size: 1.2rem; font-weight: 600; color: var(--ink); }

/* ---------- Projects ---------- */
.projects { padding: 110px 0; background: var(--bg); }
.projects__grid {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 230px;
  gap: 16px;
}
.project {
  position: relative;
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
}
.project--a { grid-column: span 2; grid-row: span 2; }
.project--d { grid-column: span 2; }
.project__img {
  position: absolute; inset: 0;
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  transition: transform .6s var(--ease);
}
/* photo + gradient fallback */
.project__img--culvert    { background-image: url("../assets/img/culvert.jpg"),    linear-gradient(135deg,#6f5a3c,#3c3326); }
.project__img--wall       { background-image: url("../assets/img/wall.jpg"),       linear-gradient(135deg,#9a8f7c,#4f463a); }
.project__img--commercial { background-image: url("../assets/img/commercial.jpg"), linear-gradient(135deg,#8a93a6,#3a4250); }
.project__img--land       { background-image: url("../assets/img/pasture.jpg"),    linear-gradient(135deg,#4f6b43,#1f3b22); }
.project:hover .project__img { transform: scale(1.06); }
.project figcaption {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 22px;
  background: linear-gradient(0deg, rgba(7,22,12,.94), rgba(7,22,12,.2) 70%, transparent);
  color: #fff;
}
.project figcaption span {
  font-family: var(--ff-ui);
  font-weight: 700; text-transform: uppercase; letter-spacing: .12em;
  font-size: .72rem; color: #8fd194;
}
.project figcaption h3 { font-family: var(--ff-ui); font-weight: 700; font-size: 1.15rem; margin-top: 4px; }

/* ---------- Quote band ---------- */
.quote-band {
  background:
    radial-gradient(120% 90% at 0% 0%, #1c5a2e 0%, transparent 55%),
    var(--green-900);
  padding: 92px 24px;
}
.quote-band blockquote { max-width: 880px; margin: 0 auto; text-align: center; }
.quote-band p {
  font-family: var(--ff-display);
  font-weight: 600;
  font-size: clamp(1.5rem, 3.6vw, 2.4rem);
  line-height: 1.28;
  color: #fff;
}
.quote-band footer {
  margin-top: 1.4rem;
  font-family: var(--ff-ui);
  letter-spacing: .12em;
  text-transform: uppercase;
  font-size: .82rem;
  color: #8fd194;
}

/* ---------- Contact ---------- */
.contact { padding: 110px 0; background: var(--bg-soft); }
.contact__grid {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: 60px;
  align-items: start;
}
.contact__info .section-title { text-align: left; }
.contact__info .section-lead { margin-bottom: 2rem; }
.contact__list { display: grid; gap: 16px; }
.contact__list li { display: flex; align-items: center; gap: 14px; font-size: 1.06rem; }
.contact__ico {
  width: 44px; height: 44px; flex: 0 0 44px;
  display: grid; place-items: center;
  border-radius: 12px;
  background: var(--bg-tint);
  color: var(--green);
}
.contact__list a:hover { color: var(--green); }

.contact__form {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 34px;
  box-shadow: var(--shadow);
}
.field { margin-bottom: 18px; }
.field--row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field label {
  display: block;
  font-family: var(--ff-ui);
  font-weight: 600;
  font-size: .86rem;
  letter-spacing: .02em;
  margin-bottom: 8px;
  color: var(--ink);
}
.field input, .field select, .field textarea {
  width: 100%;
  background: var(--bg-soft);
  border: 1.5px solid var(--line);
  border-radius: 10px;
  color: var(--ink);
  padding: 13px 14px;
  font-family: inherit;
  font-size: 1rem;
  transition: border-color .25s, box-shadow .25s, background .25s;
}
.field textarea { resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  background: #fff;
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(47,125,52,.16);
}
.field input::placeholder, .field textarea::placeholder { color: var(--muted-2); }
.field input.invalid, .field select.invalid { border-color: #d24b35; }
.form-note { margin-top: 14px; font-size: .95rem; color: var(--green-700); min-height: 1.2em; font-weight: 600; }

/* ---------- Footer ---------- */
.footer { background: var(--green-950); color: rgba(255,255,255,.75); }
.footer__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 56px 24px 36px;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  align-items: start;
}
.footer__logo {
  display: inline-block;
  background: #fff;
  padding: 12px 16px;
  border-radius: 12px;
}
.footer__logo img { height: 38px; width: auto; }
.footer__brand p { margin-top: 16px; max-width: 38ch; font-size: .98rem; }
.footer__nav { display: grid; gap: 12px; }
.footer__nav a:hover, .footer__contact a:hover { color: #8fd194; }
.footer__contact { display: grid; gap: 12px; }
.footer__contact a { font-family: var(--ff-ui); font-weight: 600; color: #fff; }
.footer__bar {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 20px 24px;
  border-top: 1px solid rgba(255,255,255,.12);
  display: flex; justify-content: space-between; gap: 12px;
  color: rgba(255,255,255,.5); font-size: .85rem;
}

/* ---------- To-top ---------- */
.to-top {
  position: fixed;
  right: 22px; bottom: 22px;
  width: 48px; height: 48px;
  display: grid; place-items: center;
  background: var(--green);
  color: #fff;
  border-radius: 12px;
  z-index: 120;
  box-shadow: 0 12px 26px -10px rgba(47,125,52,.7);
  opacity: 0; transform: translateY(14px) scale(.9); pointer-events: none;
  transition: opacity .3s, transform .3s, background .3s;
}
.to-top.is-visible { opacity: 1; transform: translateY(0) scale(1); pointer-events: auto; }
.to-top:hover { background: var(--green-600); }

/* ---------- Reveal animations ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
}
[data-reveal].is-in { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .services__grid, .materials__grid { grid-template-columns: repeat(2, 1fr); }
  .process__list { grid-template-columns: repeat(2, 1fr); }
  .contact__grid { grid-template-columns: 1fr; gap: 36px; }
  .projects__grid { grid-template-columns: repeat(2, 1fr); }
  .project--a, .project--d { grid-column: span 2; grid-row: span 1; }
  .footer__inner { grid-template-columns: 1fr 1fr; }
  .story__rail { display: none; }
}
@media (max-width: 760px) {
  body { font-size: 16px; }
  .nav__links, .nav__cta { display: none; }
  .nav__toggle { display: flex; }
  .stats__inner { grid-template-columns: repeat(2, 1fr); gap: 28px 12px; }
  .stat:not(:last-child)::after { display: none; }
  .services__grid, .materials__grid, .process__list { grid-template-columns: 1fr; }
  .field--row { grid-template-columns: 1fr; }
  .footer__inner { grid-template-columns: 1fr; }
  .footer__bar { flex-direction: column; }
  .story { height: 380vh; }
  .story__overlay { padding: 84px 20px 48px; }
  .story__captions { min-height: 250px; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  [data-reveal] { opacity: 1 !important; transform: none !important; }
  .hero__mouse span { animation: none; }
  .story { height: auto; }
  .story__sticky { position: static; height: auto; }
  .story__stage { position: relative; height: 60vh; }
  .story__panel.sp-1 { opacity: 1; transform: none; }
  .story__rail { display: none; }
}