/* ====================================================================
   Argo Clean — Landing Page
   Tokens
==================================================================== */
:root{
  --green-deep:#0E3624;
  --green:#1F8A5F;
  --green-mid:#2FA168;
  --green-light:#8FE0B3;
  --gold:#F2B705;
  --gold-soft:#F7CB3E;
  --boom:#E8600C;
  --paper:#F6F4EC;
  --paper-2:#EBF1EC;
  --white:#FFFFFF;
  --ink:#101913;
  --ink-soft:#4A554E;
  --ink-faint:#7A8781;

  --font-display:'Space Grotesk', 'Segoe UI', sans-serif;
  --font-body:'Inter', 'Segoe UI', sans-serif;
  --font-mono:'IBM Plex Mono', 'Consolas', monospace;

  --container: 1200px;
  --edge: clamp(1.25rem, 4vw, 3.5rem);
  --radius: 14px;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *,*::before,*::after{ animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important; scroll-behavior:auto !important; }
}

body{
  margin:0;
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  line-height:1.5;
}

img{ max-width:100%; display:block; }
a{ color:inherit; }

.container{
  width:100%;
  max-width:var(--container);
  margin-inline:auto;
  padding-inline:var(--edge);
}

.eyebrow{
  font-family:var(--font-mono);
  font-size:.78rem;
  letter-spacing:.16em;
  text-transform:uppercase;
  font-weight:500;
}

h1,h2,h3,h4{
  font-family:var(--font-display);
  margin:0;
  line-height:1.08;
  letter-spacing:-0.01em;
}

p{ margin:0; }

:focus-visible{
  outline:3px solid var(--gold);
  outline-offset:3px;
}

.visually-hidden{
  position:absolute; width:1px; height:1px; padding:0; margin:-1px;
  overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; border:0;
}

/* ====================================================================
   Buttons
==================================================================== */
.btn{
  display:inline-flex;
  align-items:center;
  gap:.55rem;
  font-family:var(--font-body);
  font-weight:600;
  font-size:.95rem;
  padding:.85rem 1.5rem;
  border-radius:999px;
  border:1.5px solid transparent;
  cursor:pointer;
  text-decoration:none;
  transition:transform .18s ease, box-shadow .18s ease, background .18s ease, color .18s ease;
  white-space:nowrap;
}
.btn:hover{ transform:translateY(-2px); }
.btn:active{ transform:translateY(0); }

.btn-emergency{
  background:var(--boom);
  color:var(--white);
  box-shadow:0 10px 24px -10px rgba(232,96,12,.55);
}
.btn-emergency:hover{ background:#d15809; box-shadow:0 14px 28px -10px rgba(232,96,12,.65); }

.btn-ghost{
  background:transparent;
  border-color:rgba(255,255,255,.4);
  color:var(--white);
}
.btn-ghost:hover{ background:rgba(255,255,255,.12); border-color:rgba(255,255,255,.7); }

.btn-dark{
  background:var(--green-deep);
  color:var(--white);
}
.btn-dark:hover{ background:#082419; }

.btn-outline-dark{
  background:transparent;
  border-color:rgba(16,24,32,.25);
  color:var(--green-deep);
}
.btn-outline-dark:hover{ background:rgba(16,24,32,.06); }

.pulse-dot{
  width:8px; height:8px; border-radius:50%;
  background:currentColor;
  box-shadow:0 0 0 0 currentColor;
  animation:pulse 1.8s infinite;
  flex:none;
}
@keyframes pulse{
  0%{ box-shadow:0 0 0 0 rgba(255,255,255,.55); }
  70%{ box-shadow:0 0 0 8px rgba(255,255,255,0); }
  100%{ box-shadow:0 0 0 0 rgba(255,255,255,0); }
}

/* ====================================================================
   Header
==================================================================== */
.site-header{
  position:sticky; top:0; z-index:100;
  background:var(--white);
  border-bottom:1px solid rgba(16,24,32,.08);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:1.5rem;
  padding-block:.5rem;
}
.brand{
  display:flex; align-items:center;
  text-decoration:none;
}
.brand img{ height:64px; width:auto; }

.main-nav{
  display:flex;
  align-items:center;
  gap:2rem;
}
.main-nav ul{
  list-style:none;
  display:flex;
  gap:1.75rem;
  margin:0; padding:0;
}
.main-nav a{
  text-decoration:none;
  font-weight:600;
  font-size:.92rem;
  color:var(--green-deep);
  position:relative;
  padding-block:.3rem;
}
.main-nav a::after{
  content:"";
  position:absolute; left:0; right:100%; bottom:0;
  height:2px; background:var(--boom);
  transition:right .22s ease;
}
.main-nav a:hover::after{ right:0; }

.nav-toggle{
  display:none;
  background:none; border:none;
  width:40px; height:40px;
  border-radius:8px;
  cursor:pointer;
  align-items:center; justify-content:center;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  content:""; display:block;
  width:22px; height:2px; background:var(--green-deep);
  position:relative; transition:transform .2s ease, opacity .2s ease;
}
.nav-toggle span::before{ position:absolute; top:-7px; }
.nav-toggle span::after{ position:absolute; top:7px; }

@media (max-width: 900px){
  .main-nav{ display:none; }
  .nav-toggle{ display:flex; }
  .site-header.nav-open .main-nav{
    display:flex;
    flex-direction:column;
    align-items:stretch;
    gap:1.4rem;
    position:absolute; top:100%; left:0; right:0;
    background:var(--paper);
    padding:1.25rem var(--edge) 1.75rem;
    border-bottom:1px solid rgba(16,24,32,.08);
  }
  .site-header.nav-open .main-nav ul{
    display:flex; flex-direction:column;
    gap:1.1rem;
  }
  .site-header.nav-open .header-cta{
    justify-content:center;
  }
}

/* ====================================================================
   Hero
==================================================================== */
.hero{
  position:relative;
  background:linear-gradient(150deg, var(--green-deep) 0%, var(--green) 82%);
  color:var(--white);
  overflow:hidden;
  isolation:isolate;
  padding-block:clamp(3.5rem, 7vw, 5.5rem) 0;
}

.chart-rings{
  position:absolute;
  top:-8%; right:-4%;
  width:min(38vw, 480px);
  aspect-ratio:1;
  z-index:0;
  opacity:.28;
  pointer-events:none;
}

.hero-grid{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:clamp(2rem, 5vw, 4rem);
  align-items:center;
  padding-bottom:clamp(3rem, 6vw, 4.5rem);
}
@media (max-width: 900px){
  .hero-grid{ grid-template-columns:1fr; }
}

.hero-eyebrow{
  color:var(--gold-soft);
  display:flex; align-items:center; gap:.6rem;
  margin-bottom:1.4rem;
}
.hero-eyebrow .rule{
  width:34px; height:1px; background:var(--gold-soft);
}

.hero h1{
  font-size:clamp(2.3rem, 4.6vw, 3.9rem);
  font-weight:600;
  max-width:15ch;
}
.hero h1 em{
  font-style:normal;
  color:var(--gold-soft);
}

.hero-sub{
  margin-top:1.5rem;
  max-width:46ch;
  font-size:clamp(1rem, 1.4vw, 1.14rem);
  color:rgba(255,255,255,.86);
}

.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:1rem;
  margin-top:2.4rem;
}

/* contained hero image card (not a full-bleed background) */
.hero-media{
  margin:0;
  position:relative;
  border-radius:calc(var(--radius) + 4px);
  overflow:hidden;
  aspect-ratio:5 / 4;
  box-shadow:0 24px 48px -18px rgba(6,20,13,.55);
  border:1px solid rgba(255,255,255,.14);
}
.hero-media img{
  width:100%; height:100%; object-fit:cover;
  object-position:center 46%;
}
.hero-media figcaption{
  position:absolute; left:0; right:0; bottom:0;
  display:flex; flex-direction:column; gap:.2rem;
  padding:1rem 1.1rem;
  font-size:.86rem;
  color:var(--white);
  background:linear-gradient(0deg, rgba(6,20,13,.85) 0%, rgba(6,20,13,0) 100%);
}
.hero-media figcaption .eyebrow{ color:var(--gold-soft); font-size:.68rem; }
@media (max-width: 900px){
  .hero-media{ aspect-ratio:16 / 10; }
}

/* status ticker */
.hero-ticker{
  position:relative;
  z-index:1;
  border-top:1px solid rgba(255,255,255,.18);
  background:rgba(6,20,13,.18);
}
.ticker-row{
  display:grid;
  grid-template-columns:repeat(4, 1fr);
  font-family:var(--font-mono);
}
.ticker-row div{
  padding:1.1rem 1.2rem 1.1rem 0;
  font-size:.8rem;
  color:rgba(255,255,255,.65);
  border-left:1px solid rgba(255,255,255,.18);
  padding-left:1.2rem;
}
.ticker-row div:first-child{ border-left:none; padding-left:0; }
.ticker-row strong{
  display:block;
  color:var(--white);
  font-size:1rem;
  font-weight:500;
  margin-bottom:.3rem;
  letter-spacing:.02em;
}
@media (max-width: 760px){
  .ticker-row{ grid-template-columns:1fr 1fr; row-gap:1.1rem; }
}

/* ====================================================================
   Boom divider — signature element
==================================================================== */
.boom-divider{
  position:relative;
  width:100%;
  line-height:0;
  background:var(--green-deep);
}
.boom-divider svg{ width:100%; height:auto; display:block; }
.boom-divider .boom-path{
  fill:none;
  stroke:var(--gold);
  stroke-width:3;
  stroke-linecap:round;
  stroke-dasharray:14 12;
  stroke-dashoffset:1600;
  transition:stroke-dashoffset 1.8s cubic-bezier(.2,.7,.2,1);
}
.boom-divider .boom-path.buoy-line{
  stroke:var(--boom);
  stroke-width:5;
  stroke-dasharray:0;
  opacity:.9;
  stroke-dashoffset:0;
}
.boom-divider.in-view .boom-path{ stroke-dashoffset:0; }
.boom-divider circle{
  fill:var(--gold-soft);
  opacity:0;
  transition:opacity .4s ease .9s;
}
.boom-divider.in-view circle{ opacity:1; }

/* ====================================================================
   Section basics
==================================================================== */
section{ padding-block:clamp(4.5rem, 8vw, 7.5rem); }
.section-head{
  max-width:640px;
  margin-bottom:3.2rem;
}
.section-head .eyebrow{ color:var(--green); margin-bottom:.9rem; display:block; }
.section-head h2{
  font-size:clamp(1.9rem, 3.4vw, 2.7rem);
  color:var(--green-deep);
}
.section-head p{
  margin-top:1.1rem;
  color:var(--ink-soft);
  font-size:1.05rem;
}
.section-head.on-dark .eyebrow{ color:var(--green-light); }
.section-head.on-dark h2{ color:var(--white); }
.section-head.on-dark p{ color:rgba(255,255,255,.78); }

/* ====================================================================
   Services
==================================================================== */
.services{ background:var(--paper); }
.services-grid{
  display:grid;
  grid-template-columns:repeat(4, 1fr);
  gap:1.25rem;
}
@media (max-width: 980px){ .services-grid{ grid-template-columns:1fr 1fr; } }
@media (max-width: 560px){ .services-grid{ grid-template-columns:1fr; } }

.service-card{
  background:var(--white);
  border:1px solid rgba(16,24,32,.08);
  border-radius:var(--radius);
  padding:1.9rem 1.6rem;
  display:flex;
  flex-direction:column;
  gap:1.2rem;
  transition:transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}
.service-card:hover{
  transform:translateY(-6px);
  box-shadow:0 20px 40px -22px rgba(14,54,36,.35);
  border-color:transparent;
}
.service-icon{
  width:52px; height:52px;
  border-radius:12px;
  background:var(--green-deep);
  display:flex; align-items:center; justify-content:center;
  color:var(--gold-soft);
}
.service-icon svg{ width:26px; height:26px; }
.service-card h3{
  font-size:1.15rem;
  color:var(--green-deep);
}
.service-card p{
  font-size:.92rem;
  color:var(--ink-soft);
}
.service-tag{
  margin-top:auto;
  font-family:var(--font-mono);
  font-size:.72rem;
  letter-spacing:.08em;
  text-transform:uppercase;
  color:var(--boom);
}

/* ====================================================================
   Process timeline
==================================================================== */
.process{
  background:var(--green-deep);
  color:var(--white);
  position:relative;
  overflow:hidden;
}
.process::before{
  content:"";
  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:42px 42px;
  mask-image:radial-gradient(circle at 30% 20%, black, transparent 75%);
  pointer-events:none;
}
.timeline{
  position:relative;
  display:grid;
  grid-template-columns:repeat(5, 1fr);
  gap:1.5rem;
  counter-reset:step;
}
.timeline-connector{
  grid-column:1 / -1;
  height:2px;
  background:repeating-linear-gradient(90deg, var(--gold) 0 10px, transparent 10px 20px);
  margin-bottom:.6rem;
  opacity:.6;
}
@media (max-width: 980px){
  .timeline{ grid-template-columns:1fr; gap:2.4rem; }
  .timeline-connector{ display:none; }
}
.step{
  display:flex;
  flex-direction:column;
  gap:.7rem;
  padding-left:1.5rem;
  border-left:1px solid rgba(255,255,255,.18);
}
.step:first-child{ padding-left:0; border-left:none; }
@media (max-width: 980px){
  .step{ padding-left:0; border-left:none; }
}
.step-code{
  font-family:var(--font-mono);
  font-size:.85rem;
  font-weight:600;
  color:var(--gold-soft);
  letter-spacing:.08em;
}
.step h3{
  font-size:1.35rem;
  font-weight:600;
}
.step p{
  font-size:.97rem;
  line-height:1.5;
  color:rgba(255,255,255,.74);
}

/* ====================================================================
   Mission / Vision / Values
==================================================================== */
.mvv{ background:var(--paper-2); }
.mvv-grid{
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:1.5rem;
}
@media (max-width: 900px){ .mvv-grid{ grid-template-columns:1fr; } }

.mvv-card{
  background:var(--white);
  border-radius:var(--radius);
  padding:2.2rem 2rem;
  border-top:3px solid var(--green);
}
.mvv-card:nth-child(2){ border-top-color:var(--gold); }
.mvv-card:nth-child(3){ border-top-color:var(--boom); }
.mvv-card .eyebrow{ color:var(--ink-faint); margin-bottom:1rem; display:block; }
.mvv-card h3{
  font-size:1.35rem;
  color:var(--green-deep);
  margin-bottom:1rem;
}
.mvv-card p{
  color:var(--ink-soft);
  font-size:.96rem;
}

.values-list{
  list-style:none;
  margin:0; padding:0;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:.5rem .8rem;
}
.values-list li{
  font-size:.9rem;
  color:var(--ink-soft);
  padding-left:1.1rem;
  position:relative;
}
.values-list li::before{
  content:"";
  position:absolute; left:0; top:.55em;
  width:6px; height:6px;
  background:var(--boom);
  border-radius:50%;
}

/* ====================================================================
   Gallery / proof
==================================================================== */
.proof{ background:var(--paper); }
.proof-grid{
  display:grid;
  grid-template-columns:1.3fr 1fr;
  grid-template-rows:auto auto;
  gap:1.1rem;
}
.proof-item{
  position:relative;
  border-radius:var(--radius);
  overflow:hidden;
  isolation:isolate;
}
.proof-item img{
  width:100%; height:100%; object-fit:cover;
  transition:transform .5s ease;
}
.proof-item:hover img{ transform:scale(1.05); }
.proof-item.tall{ grid-row:1 / 3; min-height:100%; }
.proof-item::after{
  content:"";
  position:absolute; inset:0;
  background:linear-gradient(0deg, rgba(6,20,13,.82) 0%, rgba(6,20,13,0) 45%);
}
.proof-cap{
  position:absolute; left:0; right:0; bottom:0;
  padding:1.3rem 1.4rem;
  z-index:1;
  color:var(--white);
}
.proof-cap .eyebrow{ color:var(--gold-soft); display:block; margin-bottom:.35rem; }
.proof-cap p{ font-size:.92rem; color:rgba(255,255,255,.85); max-width:34ch; }

@media (max-width: 820px){
  .proof-grid{ grid-template-columns:1fr; grid-template-rows:none; }
  .proof-item.tall{ grid-row:auto; }
  .proof-item{ min-height:280px; }
}

/* ====================================================================
   Emergency CTA band
==================================================================== */
.cta-band{
  background:var(--gold);
  color:var(--green-deep);
}
.cta-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:2rem;
  flex-wrap:wrap;
}
.cta-inner h2{
  font-size:clamp(1.6rem, 3vw, 2.3rem);
  max-width:16ch;
}
.cta-inner p{
  margin-top:.7rem;
  font-size:1rem;
  max-width:42ch;
  color:rgba(14,54,36,.78);
}
.cta-actions{
  display:flex;
  gap:1rem;
  flex-wrap:wrap;
}
.cta-actions .btn-outline-dark{ border-color:rgba(16,24,32,.35); }

/* ====================================================================
   Footer
==================================================================== */
.site-footer{
  background:var(--green-deep);
  color:rgba(255,255,255,.72);
  padding-block:4rem 2rem;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:2.5rem;
  padding-bottom:3rem;
  border-bottom:1px solid rgba(255,255,255,.12);
}
@media (max-width: 820px){
  .footer-grid{ grid-template-columns:1fr 1fr; }
}
@media (max-width: 540px){
  .footer-grid{ grid-template-columns:1fr; }
}
.footer-brand-chip{
  display:inline-flex;
  background:var(--white);
  padding:.6rem 1rem;
  border-radius:10px;
  margin-bottom:1.2rem;
}
.footer-brand-chip img{ height:46px; }
.footer-col h4{
  font-family:var(--font-mono);
  font-size:.76rem;
  letter-spacing:.1em;
  text-transform:uppercase;
  color:rgba(255,255,255,.5);
  margin-bottom:1rem;
}
.footer-col p{ font-size:.9rem; max-width:34ch; }
.footer-col ul{ list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:.65rem; }
.footer-col a{ text-decoration:none; font-size:.9rem; color:rgba(255,255,255,.78); }
.footer-col a:hover{ color:var(--gold-soft); }

.footer-bottom{
  display:flex;
  justify-content:space-between;
  align-items:center;
  flex-wrap:wrap;
  gap:1rem;
  padding-top:1.75rem;
  font-family:var(--font-mono);
  font-size:.76rem;
  color:rgba(255,255,255,.45);
  letter-spacing:.02em;
}

/* ====================================================================
   Reveal-on-scroll (generic, used by JS)
==================================================================== */
.reveal{
  opacity:0;
  transform:translateY(18px);
  transition:opacity .7s ease, transform .7s ease;
}
.reveal.in-view{
  opacity:1;
  transform:translateY(0);
}

.services-grid .reveal:nth-child(1){ transition-delay:0s; }
.services-grid .reveal:nth-child(2){ transition-delay:.08s; }
.services-grid .reveal:nth-child(3){ transition-delay:.16s; }
.services-grid .reveal:nth-child(4){ transition-delay:.24s; }

.timeline .reveal:nth-child(2){ transition-delay:.06s; }
.timeline .reveal:nth-child(3){ transition-delay:.12s; }
.timeline .reveal:nth-child(4){ transition-delay:.18s; }
.timeline .reveal:nth-child(5){ transition-delay:.24s; }