/* ============================================================
   PROUD CLEAN FACILITY SERVICES — design tokens
   ============================================================ */
:root{
  --bg:            #0A0E13;
  --bg-elev:       #121821;
  --bg-elev-2:     #171F2B;
  --border:        rgba(255,255,255,0.08);
  --border-strong: rgba(255,255,255,0.16);

  --accent:        #00C2FF;   /* electric blue */
  --accent-dim:    #0A87B8;
  --accent-soft:   rgba(0,194,255,0.12);
  --accent-2:      #6BB8D6;   /* logo blue */

  --text:          #F2F6FA;
  --text-muted:    #93A2B4;
  --text-faint:    #5B6675;

  --font-display:  'Space Grotesk', system-ui, sans-serif;
  --font-body:     'Inter', system-ui, sans-serif;
  --font-mono:     'JetBrains Mono', monospace;

  --radius:        14px;
  --radius-sm:     8px;
  --ease:          cubic-bezier(.22,.61,.36,1);
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *{ animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}

body{
  margin:0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img{ max-width: 100%; display:block; }
a{ color: inherit; text-decoration: none; }
ul{ list-style: none; margin:0; padding:0; }

:focus-visible{
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

.eyebrow{
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 0.9rem;
}

.section{ padding: 7rem 0; position: relative; }
.section-alt{ background: var(--bg-elev); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section-inner{ max-width: 1160px; margin: 0 auto; padding: 0 1.75rem; }

.section-title{
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.7rem, 3.4vw, 2.5rem);
  line-height: 1.2;
  margin: 0 0 1rem;
  max-width: 26ch;
}

.section-sub{
  color: var(--text-muted);
  max-width: 56ch;
  margin: 0 0 3rem;
  font-size: 1.02rem;
}

/* signature "squeegee wipe" underline draw-in, reused on section headings */
[data-wipe]{ position: relative; display: inline-block; }
[data-wipe]::after{
  content:'';
  position:absolute;
  left:0; bottom:-6px;
  height: 3px; width: 0%;
  background: linear-gradient(90deg, var(--accent), transparent);
  transition: width 0.9s var(--ease);
}
[data-wipe].in-view::after{ width: 62%; }

/* ============================================================
   BUTTONS
   ============================================================ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap: .5rem;
  padding: 0.85rem 1.6rem;
  border-radius: 999px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .2s var(--ease), box-shadow .2s var(--ease), background .2s var(--ease), border-color .2s var(--ease);
}
.btn-accent{
  background: var(--accent);
  color: #001822;
  box-shadow: 0 0 0 0 rgba(0,194,255,0.5);
}
.btn-accent:hover{
  transform: translateY(-2px);
  box-shadow: 0 10px 30px -8px rgba(0,194,255,0.55);
}
.btn-ghost{
  background: transparent;
  color: var(--text);
  border-color: var(--border-strong);
}
.btn-ghost:hover{
  border-color: var(--accent);
  color: var(--accent);
}
.btn-block{ width: 100%; }

/* ============================================================
   NAV
   ============================================================ */
.nav{
  position: fixed;
  top:0; left:0; right:0;
  z-index: 100;
  background: rgba(10,14,19,0);
  border-bottom: 1px solid transparent;
  transition: background .3s var(--ease), border-color .3s var(--ease), backdrop-filter .3s var(--ease);
}
.nav.scrolled{
  background: rgba(10,14,19,0.86);
  backdrop-filter: blur(10px);
  border-bottom-color: var(--border);
}
.nav-inner{
  max-width: 1160px;
  margin: 0 auto;
  padding: 0.9rem 1.75rem;
  display:flex;
  align-items:center;
  gap: 2rem;
}
.brand{ display:flex; align-items:center; gap: 0.65rem; margin-right: auto; }
.brand-mark{ width: 100px; height: 100px; object-fit: contain; }
.brand-name{
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  line-height: 1.15;
  display:flex; flex-direction:column;
  color: var(--text);
}
.brand-sub{
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.nav-links{ display:flex; gap: 1.8rem; }
.nav-links a{
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-muted);
  position: relative;
  padding: 0.3rem 0;
  transition: color .2s;
}
.nav-links a::after{
  content:'';
  position:absolute; left:0; bottom:0;
  width:0; height:2px;
  background: var(--accent);
  transition: width .25s var(--ease);
}
.nav-links a:hover, .nav-links a.active{ color: var(--text); }
.nav-links a.active::after{ width: 100%; }
.nav-cta{ padding: 0.6rem 1.3rem; font-size: 0.88rem; white-space:nowrap; }

.hamburger{
  display:none;
  flex-direction: column;
  justify-content:center;
  gap: 5px;
  width: 38px; height: 38px;
  background: transparent;
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  cursor: pointer;
}
.hamburger span{
  width: 16px; height: 2px; margin: 0 auto;
  background: var(--text);
  transition: transform .25s var(--ease), opacity .2s;
}
.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); }

/* ============================================================
   HERO
   ============================================================ */
.hero{
  position: relative;
  min-height: 100vh;
  display:flex;
  align-items:center;
  overflow: hidden;
  padding: 8rem 0 4rem;
  background:
    radial-gradient(60% 55% at 78% 15%, rgba(0,194,255,0.14), transparent 60%),
    radial-gradient(45% 40% at 10% 90%, rgba(107,184,214,0.10), transparent 60%),
    var(--bg);
}
.hero-grid{
  position:absolute; inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(70% 60% at 65% 30%, black, transparent);
  pointer-events:none;
}
/* signature element: diagonal "shine sweep" light streak */
.hero-sweep{
  position:absolute;
  top: -20%; left: -30%;
  width: 55%; height: 160%;
  background: linear-gradient(100deg, transparent 40%, rgba(0,194,255,0.16) 48%, rgba(255,255,255,0.28) 50%, rgba(0,194,255,0.16) 52%, transparent 60%);
  transform: rotate(8deg);
  animation: sweep 7s ease-in-out infinite;
  pointer-events:none;
}
@keyframes sweep{
  0%   { left: -40%; opacity: 0; }
  8%   { opacity: 1; }
  38%  { opacity: 1; }
  50%  { left: 110%; opacity: 0; }
  100% { left: 110%; opacity: 0; }
}

.hero-inner{ position: relative; max-width: 1160px; margin: 0 auto; padding: 0 1.75rem; z-index: 1; }

.hero-title{
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  line-height: 1.06;
  letter-spacing: -0.01em;
  margin: 0 0 1.5rem;
  max-width: 18ch;
}
.wipe-text{ color: var(--accent); }

.hero-sub{
  font-size: 1.08rem;
  color: var(--text-muted);
  max-width: 46ch;
  margin: 0 0 2.4rem;
}
.hero-actions{ display:flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 4.5rem; }

.stat-row{
  display:grid;
  grid-template-columns: repeat(4, minmax(0,1fr));
  gap: 1.5rem;
  max-width: 720px;
  padding-top: 2.2rem;
  border-top: 1px solid var(--border);
}
.stat{ display:flex; flex-direction:column; }
.stat-num{
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(1.5rem, 2.6vw, 2rem);
  color: var(--text);
  display:inline;
}
.stat-suffix{
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--accent);
}
.stat-label{
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 0.3rem;
}

/* ============================================================
   SERVICE CARDS
   ============================================================ */
.card-grid{
  display:grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 1.4rem;
}
.card{
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.9rem;
  transition: transform .25s var(--ease), border-color .25s var(--ease), background .25s var(--ease);
  position: relative;
  overflow: hidden;
  opacity: 0;
  transform: translateY(18px);
}
.card.in-view{ opacity: 1; transform: translateY(0); }
.card:hover{
  transform: translateY(-4px);
  border-color: var(--accent-dim);
  background: var(--bg-elev-2);
}
.card h3{
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.12rem;
  margin: 0 0 0.6rem;
}
.card p{ color: var(--text-muted); font-size: 0.92rem; margin: 0 0 1.6rem; }

.card-icon{
  width: 42px; height: 42px;
  border-radius: 10px;
  background: var(--accent-soft);
  margin-bottom: 1.2rem;
  position: relative;
}
.card-icon::before{
  content:'';
  position:absolute; inset: 11px;
  border: 2px solid var(--accent);
  border-radius: 4px;
}

.card-foot{ display:flex; align-items:baseline; justify-content: space-between; gap: .5rem; }
.price{ font-family: var(--font-mono); font-weight: 600; color: var(--text); }
.price-cur{ color: var(--accent); }
.price-unit{ font-size: 0.72rem; color: var(--text-muted); font-weight: 500; margin-left: 2px; }
.card-tag{
  font-size: 0.68rem;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 0.25rem 0.55rem;
  border-radius: 999px;
}

/* ============================================================
   ABOUT
   ============================================================ */
.about-grid{
  display:grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 4rem;
  align-items: center;
}
.about-copy p{ color: var(--text-muted); margin: 0 0 1.1rem; }
.about-list{ margin: 1.8rem 0 2.2rem; display:grid; gap: 0.7rem; }
.about-list li{ display:flex; align-items:center; gap: 0.7rem; font-size: 0.95rem; }
.check{
  display:inline-flex; align-items:center; justify-content:center;
  width: 20px; height: 20px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.72rem;
  flex-shrink: 0;
}

.about-visual{ display:flex; align-items:center; justify-content:center; }
.orbit-card{
  width: 100%;
  max-width: 320px;
  aspect-ratio: 1;
  border-radius: 28px;
  background: linear-gradient(155deg, #F5F9FB, #E7EFF3);
  border: 1px solid var(--border);
  display:flex; align-items:center; justify-content:center;
  position: relative;
  box-shadow: 0 30px 60px -20px rgba(0,0,0,0.5);
}
.orbit-card::before{
  content:'';
  position:absolute; inset: -1px;
  border-radius: 28px;
  padding: 1px;
  background: conic-gradient(from 0deg, var(--accent), transparent 30%, transparent 70%, var(--accent));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  animation: spin 8s linear infinite;
}
@keyframes spin{ to{ transform: rotate(360deg); } }
.orbit-logo{ width: 100%;
border-radius: 8%; }

/* ============================================================
   GALLERY — hover "wipe" reveal
   ============================================================ */
.gallery-grid{
  display:grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 1.2rem;
}
.wipe-tile{
  position: relative;
  aspect-ratio: 4/3;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  cursor: pointer;
  isolation: isolate;
  background: var(--bg-elev);
}
.wipe-img{
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
}
.wipe-img-before{ z-index: 1; }
.wipe-img-after{
  z-index: 2;
  clip-path: inset(0 100% 0 0);
  transition: clip-path .6s var(--ease);
}
.wipe-tile:hover .wipe-img-after,
.wipe-tile:focus-visible .wipe-img-after{ clip-path: inset(0 0 0 0); }
.wipe-tile::after{
  content:'';
  position:absolute; top:0; bottom:0; left:0;
  width: 3px;
  z-index: 3;
  background: var(--accent);
  box-shadow: 0 0 16px 2px rgba(0,194,255,0.8);
  transition: left .6s var(--ease);
}
.wipe-tile:hover::after,
.wipe-tile:focus-visible::after{ left: 100%; }
.wipe-label{
  position:absolute; top: 1rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  z-index: 4;
  transition: opacity .3s var(--ease);
}
.wipe-label-before{ left: 1rem; background: rgba(0,0,0,0.45); color: #fff; backdrop-filter: blur(4px); }
.wipe-label-after{ left: 1rem; background: rgba(0,194,255,0.22); color: #fff; opacity: 0; backdrop-filter: blur(4px); }
.wipe-tile:hover .wipe-label-before{ opacity: 0; }
.wipe-tile:hover .wipe-label-after{ opacity: 1; }
.wipe-caption{
  position:absolute; bottom: 1rem; left: 1rem;
  font-size: 0.85rem; font-weight: 500;
  z-index: 4;
  color: #fff;
  text-shadow: 0 1px 8px rgba(0,0,0,0.7);
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact-grid{
  display:grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 4rem;
}
.contact-info p{ color: var(--text-muted); margin-bottom: 2.2rem; }
.info-row{
  display:flex; justify-content: space-between; align-items:center;
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--border);
}
.info-label{ font-size: 0.82rem; color: var(--text-muted); font-family: var(--font-mono); text-transform: uppercase; letter-spacing: 0.05em; }
.info-value{ font-size: 0.95rem; font-weight: 500; text-align: right; }

.contact-form{
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
}
.hp-field{ position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-row{ display:grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.field{ margin-bottom: 1.1rem; display:flex; flex-direction: column; gap: 0.4rem; }
.field label{ font-size: 0.82rem; color: var(--text-muted); }
.field input, .field select, .field textarea{
  background: var(--bg-elev);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 0.75rem 0.9rem;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.94rem;
  transition: border-color .2s;
  resize: vertical;
}
.field input:focus, .field select:focus, .field textarea:focus{
  outline: none;
  border-color: var(--accent);
}
.field-error{
  display:none;
  font-size: 0.76rem;
  color: #FF6B6B;
}
.field.invalid input, .field.invalid textarea{ border-color: #FF6B6B; }
.field.invalid .field-error{ display:block; }

.form-status{
  margin: 1rem 0 0;
  font-size: 0.88rem;
  min-height: 1.2em;
  color: var(--accent);
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer{ border-top: 1px solid var(--border); padding: 2.6rem 0; }
.footer-inner{
  max-width: 1160px; margin: 0 auto; padding: 0 1.75rem;
  display:flex; align-items:center; justify-content: space-between; flex-wrap: wrap; gap: 1.5rem;
}
.footer-links{ display:flex; gap: 1.5rem; }
.footer-links a{ font-size: 0.88rem; color: var(--text-muted); transition: color .2s; }
.footer-links a:hover{ color: var(--accent); }
.footer-copy{ font-size: 0.8rem; color: var(--text-faint); margin:0; width: 100%; text-align: center; order: 3; }

.to-top{
  position: fixed;
  right: 1.5rem; bottom: 1.5rem;
  width: 44px; height: 44px;
  border-radius: 50%;
  border: 1px solid var(--border-strong);
  background: var(--bg-elev);
  color: var(--text);
  font-size: 1.1rem;
  cursor: pointer;
  opacity: 0; visibility: hidden;
  transform: translateY(10px);
  transition: opacity .3s, transform .3s, border-color .2s, visibility .3s;
  z-index: 90;
}
.to-top.visible{ opacity: 1; visibility: visible; transform: translateY(0); }
.to-top:hover{ border-color: var(--accent); color: var(--accent); }

/* ============================================================
   SCROLL REVEAL (generic)
   ============================================================ */
.section-title, .section-sub{ opacity: 0; transform: translateY(14px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.section-title.in-view, .section-sub.in-view{ opacity: 1; transform: translateY(0); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 980px){
  .about-grid, .contact-grid{ grid-template-columns: 1fr; }
  .about-visual{ order: -1; }
  .card-grid{ grid-template-columns: repeat(2, minmax(0,1fr)); }
  .gallery-grid{ grid-template-columns: repeat(2, minmax(0,1fr)); }
}

@media (max-width: 760px){
  .nav-links, .nav-cta{ display:none; }
  .hamburger{ display:flex; }
  .nav.open .mobile-menu{
    display:flex;
    flex-direction: column;
    position: absolute;
    top: 100%; left:0; right:0;
    background: rgba(10,14,19,0.98);
    backdrop-filter: blur(10px);
    padding: 1.2rem 1.75rem 1.6rem;
    border-bottom: 1px solid var(--border);
    gap: 1rem;
  }
  .mobile-menu{ display:none; }
  .mobile-menu .nav-cta{ display:flex; }
  .stat-row{ grid-template-columns: repeat(2, minmax(0,1fr)); row-gap: 1.6rem; }
  .card-grid{ grid-template-columns: 1fr; }
  .gallery-grid{ grid-template-columns: 1fr; }
  .form-row{ grid-template-columns: 1fr; }
  .section{ padding: 4.5rem 0; }
}