/* Greenswarn Packaging — header, hero, and below-fold section layout */

/* ---------- Header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  display:flex;align-items:center;justify-content:space-between;
  padding:20px 32px;
  background:linear-gradient(to bottom, rgba(18,18,18,.88), rgba(18,18,18,0));
  transition:background .3s var(--ease-out), padding .3s var(--ease-out), border-color .3s var(--ease-out);
  border-bottom:1px solid transparent;
}
.site-header.scrolled{
  background:rgba(18,18,18,.92);
  backdrop-filter:blur(14px);
  padding:14px 32px;
  border-bottom-color:var(--line);
}
.brand{
  display:flex;align-items:center;gap:10px;
  font-family:var(--font-display);font-weight:700;font-size:1.25rem;
  text-decoration:none;color:var(--text-primary);
  letter-spacing:.01em;
}
.brand .mark{width:26px;height:26px;flex:none}
.brand small{
  display:block;font-family:var(--font-mono);font-size:.6rem;color:var(--kraft);
  letter-spacing:.16em;text-transform:uppercase;font-weight:400;
}
.main-nav{display:flex;align-items:center;gap:36px}
.main-nav ul{list-style:none;display:flex;gap:28px;margin:0;padding:0}
.main-nav a{
  text-decoration:none;color:var(--text-secondary);
  font-size:.92rem;letter-spacing:.02em;
  transition:color .25s var(--ease-out);
  position:relative;padding:4px 0;
}
.main-nav a::after{
  content:"";position:absolute;left:0;bottom:0;width:0;height:1px;background:var(--kraft);
  transition:width .3s var(--ease-out);
}
.main-nav a:hover{color:var(--text-primary)}
.main-nav a:hover::after{width:100%}
.nav-toggle{display:none}
@media (max-width:900px){
  .main-nav ul{display:none}
  .nav-toggle{
    display:flex;flex-direction:column;gap:5px;background:none;border:none;
    cursor:pointer;padding:8px;
  }
  .nav-toggle span{width:22px;height:2px;background:var(--text-primary)}
  .main-nav.open ul{
    display:flex;flex-direction:column;position:fixed;inset:0 0 0 auto;width:78%;max-width:320px;
    background:var(--panel);padding:100px 32px 32px;gap:8px;z-index:99;
    border-left:1px solid var(--line);
  }
  .main-nav.open ul li a{font-size:1.1rem;padding:12px 0;display:block}
}

/* ---------- Hero (scrub stage) ---------- */
.hero-pin{
  position:relative;
  height:400vh;
}
.hero-stage{
  position:sticky;top:0;height:100vh;width:100%;
  overflow:hidden;background:var(--canvas);
}
.hero-media{
  position:absolute;inset:0;width:100%;height:100%;
}
.hero-media video,.hero-media .poster{
  position:absolute;inset:0;width:100%;height:100%;
  object-fit:cover;
}
.hero-media .poster{
  background-size:cover;background-position:center;
  opacity:1;transition:opacity .6s var(--ease-out);
}
.hero-stage.video-ready .poster{opacity:0}
.hero-media video{
  opacity:0;transition:opacity .6s var(--ease-out);
  will-change:transform;
}
.hero-stage.video-ready video{opacity:1}

.scrim{position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(ellipse 120% 90% at 50% 45%,rgba(10,10,18,0) 35%,rgba(10,10,18,.62) 100%)}

.loading-ring{
  position:absolute;left:50%;bottom:64px;transform:translateX(-50%);
  color:var(--kraft);width:48px;height:48px;
  opacity:1;transition:opacity .4s var(--ease-out);
}
.hero-stage.video-ready .loading-ring,.hero-stage.video-failed .loading-ring{opacity:0;pointer-events:none}

.scroll-cue{
  position:absolute;left:50%;bottom:48px;transform:translateX(-50%);
  display:flex;flex-direction:column;align-items:center;gap:10px;
  color:var(--text-secondary);font-family:var(--font-mono);font-size:.72rem;
  letter-spacing:.14em;text-transform:uppercase;
  opacity:.85;
}
.scroll-cue .chev{width:14px;height:14px;border-right:1.5px solid var(--kraft);border-bottom:1.5px solid var(--kraft);
  transform:rotate(45deg);animation:chevbounce 2s ease-in-out infinite -1s}
@keyframes chevbounce{0%,100%{transform:rotate(45deg) translate(0,0)}50%{transform:rotate(45deg) translate(4px,4px)}}

.band{
  position:absolute;left:0;right:0;
  display:flex;flex-direction:column;align-items:center;text-align:center;
  padding:0 24px;
  text-shadow:var(--tshadow);
  opacity:0;
  pointer-events:none;
}
.band.settle-band{pointer-events:auto}
.band::before{
  content:"";position:absolute;inset:-4%;pointer-events:none;
  background:radial-gradient(ellipse 74% 62% at 50% 50%,rgba(5,5,10,.66) 0%,rgba(5,5,10,.44) 46%,rgba(5,5,10,0) 76%);
  opacity:calc(.25 + .75*var(--k,1));
  z-index:-1;
}
.band-1{top:16%}
.band-2{top:38%}
.band-3{top:38%}
.band-4{top:auto;bottom:14%}

.band h2{
  font-size:clamp(2rem,5vw,3.6rem);
  max-width:20ch;
  margin:0;
}
.band .sub{
  font-family:var(--font-mono);
  font-size:clamp(.9rem,1.6vw,1.15rem);
  color:var(--text-secondary);
  max-width:46ch;
  margin-top:18px;
}
.band .cats{
  display:flex;flex-wrap:wrap;justify-content:center;gap:10px 18px;
  font-family:var(--font-mono);
  font-size:clamp(1rem,2.4vw,1.5rem);
  color:var(--text-primary);
}
.band .cats .dot{color:var(--kraft);opacity:.7}
.band .cta-row{margin-top:30px}

/* word/char split spans */
.split-line{display:block}
.w{display:inline-block;white-space:pre}
.c{display:inline-block}

/* ---------- hero text choreography (per-band entrance, driven by --k) ---------- */
/* band 1 — scatter: characters settle from seeded jitter, echoes the opening glide */
.band-1 .c{
  --kc:clamp(0,(var(--k,0) - var(--th,0))*2.6,1);
  opacity:var(--kc);
  transform:translate(calc((1 - var(--kc))*var(--jx,0px)),calc((1 - var(--kc))*var(--jy,0px)))
            rotate(calc((1 - var(--kc))*var(--jr,0deg)));
}
/* band 2 — one beat per word, fade + rise in reading order */
.band-2 .cats .w{
  --kc:clamp(0,(var(--k,0) - var(--th,0))*2.8,1);
  opacity:var(--kc);
  transform:translateY(calc((1 - var(--kc))*16px));
}
/* band 3 — simple fade + rise on the whole line */
.band-3 h2{opacity:var(--k,0);transform:translateY(calc((1 - var(--k,0))*28px))}
/* band 4 — scale-in from center as the footage settles on the box, CTA fades in last */
.band-4 h2{opacity:var(--k,0);transform:scale(calc(0.86 + 0.14*var(--k,0)))}
.band-4 .cta-row{opacity:var(--kb,0);transform:translateY(calc((1 - var(--kb,0))*14px))}

@media (prefers-reduced-motion: reduce){
  .band-1 .c,.band-2 .cats .w,.band-3 h2,.band-4 h2,.band-4 .cta-row{
    opacity:1 !important;transform:none !important;
  }
}

/* ---------- Static hero (mobile / reduced-motion fallback) ---------- */
.hero-static{
  display:none;
  position:relative;height:100svh;min-height:560px;
  flex-direction:column;align-items:center;justify-content:center;
  text-align:center;padding:120px 24px 48px;
  background-size:cover;background-position:center;
}
/* the static-hero gate: these five queries must match the JS GATES array exactly */
@media (max-width: 720px),
       (orientation: portrait) and (max-width: 1024px),
       (orientation: portrait) and (pointer: coarse),
       (orientation: landscape) and (pointer: coarse) and (max-height: 560px),
       (prefers-reduced-motion: reduce){
  .hero-pin{display:none}
  .hero-static{display:flex}
}
@media (max-height:560px){.scroll-cue,.loading-ring{display:none}}
.hero-static .scrim{background:linear-gradient(180deg,rgba(10,10,18,.4) 0%,rgba(10,10,18,.18) 40%,rgba(10,10,18,.62) 100%)}
.hero-static h1{font-size:clamp(2.1rem,7vw,3rem);max-width:16ch;text-shadow:var(--tshadow)}
.hero-static p{font-family:var(--font-mono);color:var(--text-primary);max-width:32ch;text-shadow:var(--tshadow)}
.hero-static .btn{margin-top:20px}

/* ---------- Section shells ---------- */
.section-head{max-width:640px;margin-bottom:56px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head h2{font-size:clamp(1.8rem,3.4vw,2.6rem)}
.section-head p{font-size:1.05rem}

/* trust strip */
.trust-strip{
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:40px 0;
}
.trust-strip .container{
  display:grid;grid-template-columns:repeat(3,1fr);gap:32px;
}
.trust-item{display:flex;align-items:flex-start;gap:14px}
.trust-item svg{flex:none;width:28px;height:28px;color:var(--kraft);margin-top:2px}
.trust-item p{margin:0;color:var(--text-primary);font-size:.95rem}
@media (max-width:800px){.trust-strip .container{grid-template-columns:1fr;gap:24px}}

/* product category grid */
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
@media (max-width:980px){.cat-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:620px){.cat-grid{grid-template-columns:1fr}}

.cat-card{
  background:var(--panel);border:1px solid var(--line);border-radius:2px;
  overflow:hidden;position:relative;
  transition:transform .4s var(--ease-out),border-color .4s var(--ease-out);
}
.cat-card:hover{transform:translateY(-6px);border-color:var(--kraft)}
.cat-card .thumb{aspect-ratio:4/3;overflow:hidden;position:relative}
.cat-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease-out)}
.cat-card:hover .thumb img{transform:scale(1.06)}
.cat-card .thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(18,18,18,0) 50%,rgba(18,18,18,.85) 100%);
}
.cat-card .num{
  position:absolute;top:14px;left:14px;z-index:2;
  font-family:var(--font-mono);font-size:.75rem;color:var(--text-primary);
}
.cat-card .body{padding:24px}
.cat-card h3{font-size:1.25rem;margin-bottom:8px}
.cat-card p{font-size:.92rem;margin-bottom:16px}
.spec-chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}
.cat-card a.link{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-mono);font-size:.82rem;color:var(--kraft);
  text-decoration:none;
}
.cat-card a.link .arrow{transition:transform .3s var(--ease-out)}
.cat-card a.link:hover .arrow{transform:translateX(4px)}

/* why-us cards */
.why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
@media (max-width:980px){.why-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.why-grid{grid-template-columns:1fr}}
.why-card{padding:28px 22px;border:1px solid var(--line);position:relative}
.why-card .index{font-family:var(--font-mono);color:var(--kraft);font-size:.8rem;margin-bottom:18px;display:block}
.why-card h3{font-size:1.1rem;margin-bottom:10px}
.why-card p{font-size:.9rem;margin:0}

/* estimator (the one interactive moment) */
.estimator{
  background:var(--panel);border:1px solid var(--line);
  padding:48px;display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;
}
@media (max-width:860px){.estimator{grid-template-columns:1fr;padding:32px 24px}}
.estimator-controls label{
  display:block;font-family:var(--font-mono);font-size:.78rem;
  text-transform:uppercase;letter-spacing:.08em;color:var(--text-secondary);margin-bottom:10px;
}
.estimator-controls select,.estimator-controls input[type=range]{width:100%}
.estimator-controls select{
  background:var(--canvas);color:var(--text-primary);border:1px solid var(--line);
  padding:12px 14px;font-family:var(--font-body);font-size:.95rem;margin-bottom:28px;
}
.range-row{display:flex;align-items:center;gap:16px;margin-bottom:8px}
.range-row output{font-family:var(--font-mono);color:var(--kraft);min-width:5.5ch;text-align:right}
input[type=range]{
  -webkit-appearance:none;height:2px;background:var(--line);outline:none;
}
input[type=range]::-webkit-slider-thumb{
  -webkit-appearance:none;width:16px;height:16px;border-radius:50%;
  background:var(--accent);cursor:pointer;border:2px solid var(--text-primary);
}
.estimator-result{
  border:1px solid var(--line);padding:32px;position:relative;
}
.estimator-result .eyebrow{margin-bottom:20px}
.estimator-result .tier{font-family:var(--font-display);font-size:2rem;margin-bottom:6px}
.estimator-result .lead{font-family:var(--font-mono);color:var(--text-secondary);font-size:.85rem;margin-bottom:24px}

/* process steps */
.process-row{display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative}
@media (max-width:860px){.process-row{grid-template-columns:1fr;gap:32px}}
.process-step{padding:0 24px 0 0;position:relative}
.process-step:not(:last-child)::after{
  content:"";position:absolute;top:22px;right:0;width:calc(100% - 48px);height:1px;
  background:var(--line);
}
@media (max-width:860px){.process-step:not(:last-child)::after{display:none}}
.process-step .step-num{
  width:44px;height:44px;border:1px solid var(--kraft);border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-mono);color:var(--kraft);margin-bottom:20px;position:relative;z-index:1;
  background:var(--canvas);
}
.process-step h3{font-size:1.05rem;margin-bottom:8px}
.process-step p{font-size:.88rem}

/* FAQ */
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;text-align:left;background:none;border:none;color:var(--text-primary);
  padding:24px 0;display:flex;justify-content:space-between;align-items:center;gap:20px;
  cursor:pointer;font-family:var(--font-body);font-size:1.05rem;
}
.faq-q .plus{font-family:var(--font-mono);color:var(--kraft);font-size:1.2rem;transition:transform .3s var(--ease-out);flex:none}
.faq-item[data-open="true"] .plus{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s var(--ease-out)}
.faq-a p{padding:0 0 24px;max-width:64ch}

/* Contact / quote form */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
@media (max-width:640px){.form-grid{grid-template-columns:1fr}}
.form-grid .full{grid-column:1/-1}
.field label{
  display:block;font-family:var(--font-mono);font-size:.78rem;text-transform:uppercase;
  letter-spacing:.06em;color:var(--text-secondary);margin-bottom:8px;
}
.field input,.field select,.field textarea{
  width:100%;background:var(--panel);border:1px solid var(--line);color:var(--text-primary);
  padding:13px 14px;font-family:var(--font-body);font-size:.95rem;
  transition:border-color .25s var(--ease-out);
}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--kraft)}
.field textarea{resize:vertical;min-height:120px}
.field.error input,.field.error select,.field.error textarea{border-color:#c0604f}
.field .err-msg{display:none;color:#e08a78;font-size:.8rem;margin-top:6px;font-family:var(--font-mono)}
.field.error .err-msg{display:block}
.checkbox-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
@media (max-width:640px){.checkbox-grid{grid-template-columns:repeat(2,1fr)}}
.checkbox-grid label{
  display:flex;align-items:center;gap:10px;font-family:var(--font-body);
  font-size:.9rem;color:var(--text-primary);text-transform:none;letter-spacing:0;
  border:1px solid var(--line);padding:12px 14px;cursor:pointer;
  transition:border-color .25s var(--ease-out);
}
.checkbox-grid label:has(input:checked){border-color:var(--kraft);color:var(--kraft)}
.checkbox-grid input{accent-color:var(--accent)}
.form-success{
  display:none;text-align:center;padding:60px 24px;border:1px solid var(--accent);
}
.form-success.show{display:block}
.form-success h3{font-size:1.4rem;margin-bottom:10px}

/* dimension-line divider */
.divider{
  display:flex;align-items:center;gap:16px;color:var(--text-secondary);
  font-family:var(--font-mono);font-size:.72rem;letter-spacing:.1em;
  margin:0 auto;max-width:1280px;padding:0 24px;
}
.divider::before,.divider::after{content:"";flex:1;height:1px;background:var(--line)}

/* footer */
.site-footer{background:var(--panel);border-top:1px solid var(--line);padding:80px 0 32px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:48px;margin-bottom:64px}
@media (max-width:860px){.footer-grid{grid-template-columns:1fr 1fr;gap:36px}}
@media (max-width:560px){.footer-grid{grid-template-columns:1fr}}
.footer-grid h4{
  font-family:var(--font-mono);font-size:.78rem;text-transform:uppercase;letter-spacing:.08em;
  color:var(--kraft);margin-bottom:18px;font-weight:400;
}
.footer-grid ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.footer-grid a{color:var(--text-secondary);text-decoration:none;font-size:.92rem;transition:color .25s var(--ease-out)}
.footer-grid a:hover{color:var(--text-primary)}
.footer-brand p{font-size:.9rem;max-width:34ch}
.social-row{display:flex;gap:14px;margin-top:18px}
.social-row a{
  width:36px;height:36px;border:1px solid var(--line);border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  transition:border-color .25s var(--ease-out),color .25s var(--ease-out);
}
.social-row a:hover{border-color:var(--kraft);color:var(--kraft)}
.social-row svg{width:16px;height:16px}
.footer-bottom{
  border-top:1px solid var(--line);padding-top:28px;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
  font-family:var(--font-mono);font-size:.78rem;color:var(--text-secondary);
}
.footer-bottom a{color:var(--text-secondary);text-decoration:underline}

/* ambient background layer (one fixed environment) */
.ambient{
  position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:
    radial-gradient(ellipse 60% 40% at 15% 10%, rgba(63,107,74,.06) 0%, transparent 60%),
    radial-gradient(ellipse 50% 40% at 85% 70%, rgba(91,139,176,.05) 0%, transparent 60%);
  animation:ambientdrift 70s ease-in-out infinite -20s;
}
@keyframes ambientdrift{
  0%,100%{opacity:.8}
  50%{opacity:1}
}
@media (prefers-reduced-motion: reduce){.ambient{animation:none}}