/* =========================================================
   Piedmont Environmental — Forest & Stone
   ========================================================= */
:root{
  --green:#2f4a3c;
  --green-deep:#22372c;
  --green-mid:#4a6b54;
  --sage:#88a17f;
  --sage-soft:#aebfa3;
  --stone:#f4efe3;
  --stone-2:#ece4d3;
  --paper:#fbf8f1;
  --ink:#2b2925;
  --ink-soft:#5d564b;
  --rust:#b4603a;
  --rust-deep:#9a4f2e;
  --line:#ddd3bf;

  --serif:"Georgia","Times New Roman",serif;
  --sans:"Helvetica Neue",Helvetica,Arial,sans-serif;

  --wrap:1140px;
  --gap:clamp(20px,4vw,40px);
  --radius:16px;
  --shadow:0 10px 30px rgba(34,55,44,.10);
  --shadow-lg:0 24px 60px rgba(34,55,44,.18);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

body{
  margin:0;
  font-family:var(--sans);
  color:var(--ink);
  background:var(--paper);
  line-height:1.65;
  font-size:17px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--green);text-decoration:none}
a:hover{color:var(--rust)}

h1,h2,h3,h4{font-family:var(--serif);color:var(--green);line-height:1.18;font-weight:600;margin:0 0 .5em}
h2{font-size:clamp(1.7rem,3.4vw,2.6rem)}
h3{font-size:clamp(1.25rem,2.2vw,1.6rem)}
p{margin:0 0 1rem}
.eyebrow{
  font-family:var(--sans);text-transform:uppercase;letter-spacing:.22em;
  font-size:.74rem;font-weight:700;color:var(--rust);margin:0 0 .7rem;
}

.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.section{padding:clamp(64px,9vw,120px) 0;position:relative}
.section--stone{background:var(--stone)}
.section--green{background:var(--green);color:var(--stone)}
.section--green h2,.section--green h3{color:var(--stone)}
.section--paper{background:var(--paper)}
.lead{font-size:1.18rem;color:var(--ink-soft);max-width:62ch}
.center{text-align:center}
.center .lead{margin-left:auto;margin-right:auto}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;gap:.5em;
  font-family:var(--sans);font-weight:600;font-size:.98rem;
  padding:.85em 1.5em;border-radius:999px;border:1.5px solid transparent;
  cursor:pointer;transition:transform .25s ease,background .25s ease,color .25s ease,box-shadow .25s ease;
}
.btn .arr{transition:transform .25s ease}
.btn:hover .arr{transform:translateX(4px)}
.btn--primary{background:var(--rust);color:#fff}
.btn--primary:hover{background:var(--rust-deep);color:#fff;box-shadow:0 10px 24px rgba(154,79,46,.3)}
.btn--ghost{border-color:var(--green);color:var(--green)}
.btn--ghost:hover{background:var(--green);color:var(--stone)}
.btn--light{background:var(--stone);color:var(--green)}
.btn--light:hover{background:#fff;color:var(--rust)}

/* =========================================================
   Header / nav
   ========================================================= */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(251,248,241,.85);
  backdrop-filter:saturate(140%) blur(10px);
  border-bottom:1px solid transparent;
  transition:box-shadow .3s ease,border-color .3s ease,background .3s ease;
}
.site-header.scrolled{box-shadow:0 4px 20px rgba(34,55,44,.08);border-color:var(--line)}
.header-inner{max-width:var(--wrap);margin:0 auto;padding:10px 24px;
  display:flex;align-items:center;justify-content:space-between;gap:16px}
.brand{display:flex;align-items:center}
.brand img{height:52px;width:auto}
.nav{display:flex;align-items:center;gap:6px}
.nav a{
  font-family:var(--sans);font-size:.93rem;font-weight:500;color:var(--ink);
  padding:.5em .8em;border-radius:8px;transition:color .2s,background .2s;
}
.nav a:hover{color:var(--green);background:var(--stone-2)}
.nav .nav-cta{
  margin-left:6px;background:var(--green);color:var(--stone);
  display:inline-flex;align-items:center;gap:.4em;
}
.nav .nav-cta:hover{background:var(--rust);color:#fff}
.hamburger{display:none;background:none;border:0;cursor:pointer;padding:8px;
  width:44px;height:44px;border-radius:8px}
.hamburger span{display:block;width:24px;height:2px;background:var(--green);margin:5px auto;transition:.3s}
.hamburger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hamburger.open span:nth-child(2){opacity:0}
.hamburger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

@media (max-width:880px){
  .hamburger{display:block}
  .brand img{height:42px}
  .nav{
    position:fixed;inset:64px 0 auto 0;flex-direction:column;align-items:stretch;gap:0;
    background:var(--paper);border-bottom:1px solid var(--line);padding:10px 16px 18px;
    transform:translateY(-130%);transition:transform .35s cubic-bezier(.2,.7,.2,1);
    box-shadow:var(--shadow);
  }
  .nav.open{transform:translateY(0)}
  .nav a{padding:.85em .6em;border-radius:8px}
  .nav .nav-cta{margin:8px 0 0;justify-content:center}
}

/* =========================================================
   Hero
   ========================================================= */
.hero{
  position:relative;min-height:88vh;display:flex;align-items:center;
  color:var(--stone);overflow:hidden;isolation:isolate;
}
.hero__bg{position:absolute;inset:0;z-index:-2}
.hero__bg img{width:100%;height:115%;object-fit:cover;will-change:transform}
.hero::after{content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(180deg,rgba(34,55,44,.55),rgba(34,55,44,.30) 40%,rgba(34,55,44,.78))}
.hero__inner{max-width:var(--wrap);margin:0 auto;padding:120px 24px 100px;width:100%}
.hero__inner .eyebrow{color:var(--sage-soft)}
.hero h1{
  color:#fff;font-size:clamp(2.4rem,6vw,4.4rem);line-height:1.05;
  max-width:16ch;margin:0 0 .35em;text-shadow:0 2px 30px rgba(0,0,0,.3)
}
.hero p{font-size:clamp(1.05rem,2vw,1.35rem);max-width:50ch;color:#f0ece1;margin-bottom:2rem}
.hero__cta{display:flex;gap:14px;flex-wrap:wrap}
.scroll-hint{position:absolute;bottom:26px;left:50%;transform:translateX(-50%);
  color:#f0ece1;font-size:.78rem;letter-spacing:.2em;text-transform:uppercase;opacity:.85}
.scroll-hint span{display:block;text-align:center;font-size:1.2rem;animation:bob 2s ease-in-out infinite}
@keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(7px)}}

/* =========================================================
   Vine (scroll-reactive)
   ========================================================= */
.vine{position:fixed;top:0;left:0;height:100vh;width:90px;z-index:40;pointer-events:none}
.vine svg{height:100%;width:100%;overflow:visible}
.vine .vine-stem{stroke-dasharray:1;stroke-dashoffset:1}
/* Leaves are fixed to the stem (no independent motion) and grow in as the
   vine reaches them on scroll. transform-origin:left center keeps the growth
   anchored at the petiole where the leaf meets the stem. */
.vine-leaf{transform-box:fill-box;transform-origin:left center;
  transform:scale(0);opacity:0;
  transition:transform .55s cubic-bezier(.2,.7,.2,1), opacity .5s ease}
.vine-leaf.grown{transform:scale(1);opacity:1}
@media (max-width:980px){.vine{display:none}}

/* =========================================================
   About
   ========================================================= */
.about-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:clamp(28px,5vw,64px);align-items:center}
.about-photo{position:relative}
.about-photo img{border-radius:var(--radius);box-shadow:var(--shadow-lg);width:100%;
  aspect-ratio:4/3;object-fit:cover}
.about-photo::before{content:"";position:absolute;inset:18px -18px -18px 18px;
  border:2px solid var(--sage);border-radius:var(--radius);z-index:-1}
.about-badge{
  position:absolute;bottom:-18px;left:-18px;background:var(--rust);color:#fff;
  padding:14px 18px;border-radius:12px;font-family:var(--serif);line-height:1.1;box-shadow:var(--shadow)
}
.about-badge b{display:block;font-size:1.5rem}
.about-badge span{font-size:.78rem;letter-spacing:.05em;opacity:.92}
.creditials{margin-top:1.4rem;display:flex;flex-wrap:wrap;gap:10px}
.chip{display:inline-flex;align-items:center;gap:.45em;background:var(--stone);
  border:1px solid var(--line);border-radius:999px;padding:.45em .9em;font-size:.84rem;color:var(--ink-soft)}
.chip::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--sage)}
@media (max-width:760px){.about-grid{grid-template-columns:1fr}.about-photo{max-width:420px;margin:0 auto 30px}}

/* =========================================================
   Services (Consultation & Design)
   ========================================================= */
.svc-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,4vw,48px);align-items:center;margin-top:48px}
.svc-grid.reverse{direction:rtl}
.svc-grid.reverse>*{direction:ltr}
.svc-grid img{border-radius:var(--radius);box-shadow:var(--shadow);width:100%;
  aspect-ratio:5/4;object-fit:cover}
.tick-list{list-style:none;padding:0;margin:1rem 0 0}
.tick-list li{position:relative;padding:.35em 0 .35em 2em;color:var(--ink-soft)}
.tick-list li::before{content:"";position:absolute;left:0;top:.55em;width:18px;height:18px;
  border-radius:50%;background:var(--green);
  -webkit-mask:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path fill='white' d='M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z'/></svg>") center/14px no-repeat;
  mask:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path fill='white' d='M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z'/></svg>") center/14px no-repeat;
  background-color:var(--green);
}
.expect{margin-top:64px;background:var(--paper);border:1px solid var(--line);
  border-radius:var(--radius);padding:clamp(28px,4vw,48px);box-shadow:var(--shadow)}
.expect ol{counter-reset:step;list-style:none;padding:0;margin:1.2rem 0 0;
  display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:22px}
.expect ol li{counter-increment:step;position:relative;padding-left:54px;color:var(--ink-soft)}
.expect ol li::before{content:counter(step);position:absolute;left:0;top:-4px;
  width:38px;height:38px;border-radius:50%;background:var(--green);color:var(--stone);
  font-family:var(--serif);font-size:1.05rem;display:flex;align-items:center;justify-content:center}
.consult-figs{display:flex;gap:20px;margin-top:1.8rem;align-items:center;justify-content:center}
.consult-figs img{border-radius:var(--radius);box-shadow:var(--shadow);display:block}
.consult-figs .zones{height:clamp(380px,50vw,560px);width:auto;max-width:100%;
  object-fit:contain;background:var(--paper)}
.consult-figs .photo{width:clamp(180px,24vw,300px);aspect-ratio:3/4;height:auto;object-fit:cover}
@media (max-width:760px){.svc-grid,.svc-grid.reverse{grid-template-columns:1fr;direction:ltr}
  .consult-figs{flex-direction:column;align-items:stretch}
  .consult-figs .zones{height:auto;width:100%}
  .consult-figs .photo{width:100%}}

/* =========================================================
   Gallery + lightbox
   ========================================================= */
.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:40px}
.gallery figure{margin:0;position:relative;overflow:hidden;border-radius:12px;cursor:pointer;
  aspect-ratio:1;box-shadow:var(--shadow)}
.gallery figure:first-child{grid-column:span 2;grid-row:span 2;aspect-ratio:auto}
.gallery img{width:100%;height:100%;object-fit:cover;transition:transform .6s cubic-bezier(.2,.7,.2,1)}
.gallery figure:hover img{transform:scale(1.07)}
.gallery figure::after{content:"⤢";position:absolute;right:10px;bottom:8px;color:#fff;
  font-size:1.1rem;opacity:0;transition:opacity .3s;text-shadow:0 1px 6px rgba(0,0,0,.5)}
.gallery figure:hover::after{opacity:1}
@media (max-width:680px){.gallery{grid-template-columns:repeat(2,1fr)}
  .gallery figure:first-child{grid-column:span 2;grid-row:auto;aspect-ratio:16/10}}

.lightbox{position:fixed;inset:0;z-index:90;background:rgba(20,30,24,.92);
  display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;
  transition:opacity .3s}
.lightbox.open{opacity:1;visibility:visible}
.lightbox img{max-width:90vw;max-height:84vh;border-radius:10px;box-shadow:var(--shadow-lg)}
.lightbox__close,.lightbox__nav{position:absolute;background:rgba(255,255,255,.12);border:0;
  color:#fff;cursor:pointer;border-radius:50%;width:52px;height:52px;font-size:1.5rem;
  display:flex;align-items:center;justify-content:center;transition:background .2s}
.lightbox__close:hover,.lightbox__nav:hover{background:rgba(255,255,255,.28)}
.lightbox__close{top:20px;right:20px}
.lightbox__nav.prev{left:18px;top:50%;transform:translateY(-50%)}
.lightbox__nav.next{right:18px;top:50%;transform:translateY(-50%)}

/* =========================================================
   Past experience cards
   ========================================================= */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:48px}
.exp-card{position:relative;isolation:isolate;border-radius:var(--radius);overflow:hidden;min-height:340px;
  display:flex;align-items:flex-end;color:#fff;box-shadow:var(--shadow);
  transition:transform .35s ease,box-shadow .35s ease}
.exp-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.exp-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2;
  transition:transform .6s cubic-bezier(.2,.7,.2,1)}
.exp-card:hover img{transform:scale(1.06)}
.exp-card::after{content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(180deg,rgba(34,55,44,0) 30%,rgba(34,55,44,.86))}
.exp-card__body{padding:24px}
.exp-card h3{color:#fff;margin-bottom:.3em}
.exp-card p{color:#eee;font-size:.95rem;margin:0 0 .8rem}
.exp-card .more{font-weight:600;color:#fff;display:inline-flex;align-items:center;gap:.4em}
.exp-card .more .arr{transition:transform .25s}
.exp-card:hover .more .arr{transform:translateX(4px)}
@media (max-width:820px){.cards{grid-template-columns:1fr}}

/* =========================================================
   Writing / articles
   ========================================================= */
.writing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:44px}
.article-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 26px;transition:transform .3s ease,box-shadow .3s ease;display:flex;flex-direction:column}
.article-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.article-card .leaf-tag{width:40px;height:40px;color:var(--sage);margin-bottom:14px}
.article-card h3{margin-bottom:.4em}
.article-card p{color:var(--ink-soft);font-size:.96rem;flex:1}
.article-card .more{font-weight:600;margin-top:.5rem}
@media (max-width:820px){.writing-grid{grid-template-columns:1fr}}

/* =========================================================
   Testimonials
   ========================================================= */
.reviews{position:relative;max-width:820px;margin:44px auto 0}
.reviews__track{position:relative;min-height:230px}
.review{position:absolute;inset:0;opacity:0;transform:translateY(14px);
  transition:opacity .5s ease,transform .5s ease;pointer-events:none}
.review.active{opacity:1;transform:none;position:relative;pointer-events:auto}
.review .stars{color:#e0a93b;letter-spacing:3px;margin-bottom:1rem;font-size:1.1rem}
.review blockquote{font-family:var(--serif);font-size:clamp(1.1rem,2.2vw,1.45rem);
  line-height:1.55;color:var(--stone);margin:0 0 1.2rem;font-style:italic}
.section--green .review blockquote{color:#f1ede2}
.review cite{font-style:normal;font-weight:600;letter-spacing:.04em;color:var(--sage-soft)}
.reviews__nav{display:flex;justify-content:center;align-items:center;gap:18px;margin-top:26px}
.reviews__nav button{background:rgba(255,255,255,.12);border:0;color:#fff;width:46px;height:46px;
  border-radius:50%;cursor:pointer;font-size:1.2rem;transition:background .2s}
.reviews__nav button:hover{background:rgba(255,255,255,.28)}
.dots{display:flex;gap:8px}
.dots button{width:9px;height:9px;border-radius:50%;background:rgba(255,255,255,.3);border:0;
  cursor:pointer;padding:0;transition:background .2s,transform .2s}
.dots button.active{background:var(--rust);transform:scale(1.25)}
.review-actions{text-align:center;margin-top:36px}
.gbtn{display:inline-flex;align-items:center;gap:.6em;background:var(--stone);color:var(--green);
  padding:.8em 1.4em;border-radius:999px;font-weight:600}
.gbtn:hover{background:#fff;color:var(--rust)}
.gbtn svg{width:18px;height:18px}

/* =========================================================
   Contact
   ========================================================= */
.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(28px,5vw,60px);align-items:center;margin-top:40px}
.contact-card{background:var(--green);color:var(--stone);border-radius:var(--radius);
  padding:clamp(30px,4vw,46px);box-shadow:var(--shadow-lg)}
.contact-card h3{color:var(--stone)}
.contact-email{display:inline-flex;align-items:center;gap:.6em;font-family:var(--serif);
  font-size:clamp(1.1rem,2.4vw,1.5rem);color:#fff;margin:1rem 0;word-break:break-word}
.contact-email:hover{color:var(--sage-soft)}
.contact-meta{border-top:1px solid rgba(255,255,255,.18);margin-top:1.2rem;padding-top:1.2rem;
  font-size:.95rem;color:#e5e0d4}
.contact-illus{display:flex;align-items:center;justify-content:center}
.contact-illus img{border-radius:var(--radius);box-shadow:var(--shadow);aspect-ratio:1;object-fit:cover}
@media (max-width:760px){.contact-grid{grid-template-columns:1fr}.contact-illus{display:none}}

/* =========================================================
   Footer
   ========================================================= */
.site-footer{background:var(--green-deep);color:#d8d2c4;padding:60px 0 28px}
.footer-top{display:flex;flex-wrap:wrap;gap:32px;justify-content:space-between;align-items:flex-start}
.footer-brand img{height:50px;width:auto}
.footer-brand p{max-width:30ch;color:#b7b3a6;font-size:.92rem;margin-top:14px}
.footer-col h4{color:var(--stone);font-size:1.05rem;margin-bottom:.6em}
.footer-col a{color:#d8d2c4}
.footer-col a:hover{color:#fff}
.footer-col p{margin:.2em 0;font-size:.94rem}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:40px;padding-top:20px;
  display:flex;flex-wrap:wrap;gap:8px;justify-content:space-between;font-size:.84rem;color:#9c978a}

/* =========================================================
   Scroll reveal
   ========================================================= */
.reveal{opacity:0;transform:translateY(28px);
  transition:opacity .8s cubic-bezier(.2,.7,.2,1),transform .8s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}.reveal.d3{transition-delay:.24s}

/* Falling leaves */
.leaf-fall{position:fixed;top:-40px;z-index:38;pointer-events:none;color:var(--sage);opacity:.0;
  animation:fall linear forwards}
@keyframes fall{
  0%{opacity:0;transform:translateY(-10px) rotate(0deg)}
  10%{opacity:.8}
  100%{opacity:0;transform:translateY(105vh) rotate(540deg)}
}

@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1!important;transform:none!important;transition:none!important}
  .hero__bg img{height:100%}
  .scroll-hint span{animation:none}
  .leaf-fall{display:none!important}
  .vine-leaf{transition:none!important;transform:scale(1)!important;opacity:1!important}
  *{scroll-behavior:auto!important}
}

/* =========================================================
   Sub-page / article specifics
   ========================================================= */
.page-hero{position:relative;color:#fff;padding:140px 0 70px;overflow:hidden;isolation:isolate}
.page-hero img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2}
.page-hero::after{content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(180deg,rgba(34,55,44,.5),rgba(34,55,44,.8))}
.page-hero .eyebrow{color:var(--sage-soft)}
.page-hero h1{color:#fff;font-size:clamp(2rem,5vw,3.2rem);margin:0}
.back-link{display:inline-flex;align-items:center;gap:.4em;font-weight:600;margin-bottom:1.5rem}
.back-link:hover{gap:.7em}

.prose{max-width:72ch;margin:0 auto}
.prose p{color:var(--ink-soft);margin:0 0 1.2rem}
.prose h2{margin-top:2rem}
.prose ul{color:var(--ink-soft)}
.article-body{max-width:70ch;margin:0 auto}
.article-body p{color:#3a352c;font-size:1.08rem}
.article-body .byline{color:var(--ink-soft);font-style:italic;margin-bottom:2rem}

.strip{display:grid;grid-template-columns:1fr 1fr;gap:clamp(20px,4vw,44px);align-items:center;
  margin:38px 0}
.strip:nth-child(even){direction:rtl}
.strip:nth-child(even)>*{direction:ltr}
.strip img{border-radius:var(--radius);box-shadow:var(--shadow);aspect-ratio:4/3;object-fit:cover;width:100%}
.strip .num{font-family:var(--serif);font-size:2.4rem;color:var(--sage);line-height:1}
@media (max-width:760px){.strip,.strip:nth-child(even){grid-template-columns:1fr;direction:ltr}}

.fence-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px;margin-top:34px}
.fence-row img{border-radius:12px;aspect-ratio:3/4;object-fit:cover;box-shadow:var(--shadow);cursor:pointer;
  transition:transform .4s}
.fence-row img:hover{transform:scale(1.03)}

.invasive-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:22px;margin-top:34px}
.invasive-grid .item{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow)}
.invasive-grid img{aspect-ratio:4/3;object-fit:cover;width:100%}
.invasive-grid .item div{padding:18px 20px}
.invasive-grid h3{margin-bottom:.3em}
.invasive-grid p{font-size:.92rem;color:var(--ink-soft);margin:0}