/* ===================== TOKENS ===================== */
:root{
  --soil-black:#12160F;
  --field-green:#26421E;
  --field-green-light:#3F6B35;
  --valve-teal:#1F6B72;
  --valve-teal-light:#3C939B;
  --wheat-gold:#C99A2E;
  --wheat-gold-light:#E6BB4E;
  --rust-iron:#A24B36;
  --paper:#EFF3E6;
  --paper-white:#FBFBF6;
  --ink:#191C15;
  --ink-soft:#4B5245;

  --font-display:'Fraunces', Georgia, serif;
  --font-body:'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono:'IBM Plex Mono', 'Courier New', monospace;
}

*{box-sizing:border-box; margin:0; padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:var(--font-body);
  background:var(--paper);
  color:var(--ink);
  overflow-x:hidden;
  line-height:1.5;
}
img{max-width:100%; display:block;}
a{color:inherit; text-decoration:none;}
ul,ol{list-style:none;}
h1,h2,h3,h4{font-family:var(--font-display); font-weight:700; line-height:1.15;}

#grain{
  position:fixed; inset:0; pointer-events:none; z-index:9999;
  opacity:.025; mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='100' height='100'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.section{padding:120px 24px;}
.section-inner{max-width:1180px; margin:0 auto;}
.tag{
  font-family:var(--font-mono); text-transform:uppercase; letter-spacing:.12em;
  font-size:.75rem; color:var(--valve-teal); font-weight:600; margin-bottom:16px;
}
.tag.light{color:var(--wheat-gold-light);}
.tag.small{margin-bottom:6px;}
h2{font-size:clamp(1.8rem, 3.6vw, 2.8rem); margin-bottom:20px; color:var(--ink);}
h2.light-h{color:var(--paper-white);}
.lead{font-size:1.08rem; color:var(--ink-soft); max-width:640px; margin-bottom:8px;}
.lead.light{color:#D9E0CE;}

/* ===================== BUTTONS ===================== */
.btn{
  display:inline-flex; align-items:center; gap:8px;
  padding:14px 28px; border-radius:100px; font-weight:600; font-size:.95rem;
  transition:transform .25s ease, box-shadow .25s ease;
}
.btn-primary{background:var(--wheat-gold); color:var(--soil-black);}
.btn-primary:hover{transform:translateY(-3px); box-shadow:0 12px 24px rgba(201,154,46,.35);}
.btn-ghost{border:1.5px solid rgba(255,255,255,.4); color:#fff;}
.btn-ghost:hover{background:rgba(255,255,255,.1); transform:translateY(-3px);}

/* ===================== NAV ===================== */
#navbar{
  position:fixed; top:0; left:0; right:0; z-index:1000;
  background:rgba(18,22,15,0); transition:background .35s ease, box-shadow .35s ease, padding .35s ease;
  padding:22px 0;
}
#navbar.scrolled{background:rgba(18,22,15,.92); backdrop-filter:blur(10px); padding:12px 0; box-shadow:0 8px 30px rgba(0,0,0,.25);}
.nav-inner{
  max-width:1240px; margin:0 auto; padding:0 24px;
  display:flex; align-items:center; justify-content:space-between; gap:24px;
}
.nav-logo{display:flex; align-items:center; gap:10px; font-family:var(--font-display); font-weight:700; font-size:1.15rem; color:#fff;}
.nav-logo img{width:36px; height:36px; border-radius:50%; object-fit:cover; background:#fff;}
.nav-links{display:flex; gap:28px; font-size:.92rem; font-weight:500;}
.nav-links a{color:#E7E9DF; opacity:.85; transition:opacity .2s;}
.nav-links a:hover{opacity:1;}
.nav-cta{
  background:var(--wheat-gold); color:var(--soil-black); padding:10px 20px;
  border-radius:100px; font-weight:600; font-size:.88rem; white-space:nowrap;
}
#navToggle{display:none; flex-direction:column; gap:5px; background:none; border:none; cursor:pointer; padding:6px;}
#navToggle span{width:24px; height:2px; background:#fff; border-radius:2px;}

/* ===================== HERO ===================== */
.hero{
  position:relative; min-height:100vh; display:flex; flex-direction:column;
  align-items:center; justify-content:center; text-align:center;
  padding:160px 24px 100px; overflow:hidden;
  background:linear-gradient(160deg, #17241390 0%, #12160F 60%), var(--soil-black);
}
.hero-photo{
  position:absolute; inset:0; width:100%; height:100%; object-fit:cover;
  opacity:.28; z-index:0;
}
.hero-bg{
  position:absolute; inset:0;
  background:
    radial-gradient(ellipse at 20% 20%, rgba(63,107,53,.45), transparent 55%),
    radial-gradient(ellipse at 85% 75%, rgba(31,107,114,.38), transparent 55%),
    linear-gradient(180deg, rgba(18,22,15,.55), rgba(18,22,15,.92) 70%);
  z-index:1;
}
.hero-inner{position:relative; z-index:2; max-width:780px;}
.eyebrow{
  font-family:var(--font-mono); font-size:.78rem; letter-spacing:.1em;
  color:var(--wheat-gold-light); text-transform:uppercase; margin-bottom:22px;
}
.hero-title{
  font-size:clamp(2.6rem, 7vw, 5rem); color:#fff; font-weight:700; letter-spacing:-.01em;
}
.hero-title span{color:var(--wheat-gold-light); font-style:italic; font-weight:600;}
.hero-sub{
  color:#D9E0CE; font-size:1.15rem; max-width:560px; margin:26px auto 36px;
}
.hero-actions{display:flex; gap:16px; justify-content:center; flex-wrap:wrap;}

/* ---- 3D valve stage (signature element) ---- */
.valve-stage{
  position:relative; z-index:2; margin-top:70px; width:100%; max-width:420px;
  perspective:1000px;
}
.valve-scene{
  position:relative; width:100%; height:230px;
  transform-style:preserve-3d;
  transform:rotateX(18deg) rotateY(-16deg);
  animation:sceneFloat 7s ease-in-out infinite;
}
@keyframes sceneFloat{
  0%,100%{transform:rotateX(18deg) rotateY(-16deg) translateY(0);}
  50%{transform:rotateX(14deg) rotateY(-10deg) translateY(-10px);}
}
.pipe{
  position:absolute; background:linear-gradient(180deg,#5b6558,#31382c);
  border-radius:10px; box-shadow:inset 0 2px 4px rgba(255,255,255,.15), 0 10px 20px rgba(0,0,0,.4);
}
.pipe-in{width:120px; height:34px; left:0; top:98px; transform:translateZ(0);}
.pipe-out-a{width:110px; height:30px; right:10px; top:40px; transform-origin:left center; transform:rotate(-38deg);}
.pipe-out-b{width:110px; height:30px; right:10px; top:150px; transform-origin:left center; transform:rotate(38deg);}
.valve-body{
  position:absolute; left:108px; top:82px; width:78px; height:66px;
  background:linear-gradient(145deg,#e7e2d2,#b7b19a);
  border-radius:12px; box-shadow:0 16px 30px rgba(0,0,0,.5), inset 0 2px 3px rgba(255,255,255,.5);
  transform:translateZ(30px);
}
.valve-dial{
  position:absolute; top:10px; left:10px; width:24px; height:24px; border-radius:50%;
  background:radial-gradient(circle at 35% 30%, #4a5142, #1c2018);
  box-shadow:0 3px 6px rgba(0,0,0,.5);
}
.valve-lever{
  position:absolute; bottom:8px; right:10px; width:34px; height:8px; border-radius:6px;
  background:var(--wheat-gold); transform-origin:right center;
  transition:transform 1.4s cubic-bezier(.65,0,.35,1);
}
.water-flow{position:absolute; border-radius:10px; overflow:hidden;}
.water-flow::after{
  content:''; position:absolute; inset:0;
  background:repeating-linear-gradient(90deg, rgba(255,255,255,.55) 0 8px, transparent 8px 20px);
  animation:flowMove 1s linear infinite;
}
@keyframes flowMove{to{transform:translateX(28px);}}
.water-in{width:100px; height:12px; left:6px; top:110px; background:var(--valve-teal-light); transform:translateZ(2px);}
.water-a{width:90px; height:10px; right:20px; top:52px; background:var(--valve-teal-light); transform-origin:left center; transform:rotate(-38deg); opacity:1; transition:opacity .5s ease;}
.water-b{width:90px; height:10px; right:20px; top:162px; background:var(--valve-teal-light); transform-origin:left center; transform:rotate(38deg); opacity:0; transition:opacity .5s ease;}
.valve-caption{
  position:absolute; bottom:-42px; left:0; right:0; text-align:center;
  font-family:var(--font-mono); font-size:.78rem; color:var(--wheat-gold-light); letter-spacing:.05em;
}

.scroll-cue{
  position:relative; z-index:2; margin-top:80px; display:flex; flex-direction:column; align-items:center; gap:8px;
  color:#B9C2AC; font-size:.75rem; letter-spacing:.1em; text-transform:uppercase; font-family:var(--font-mono);
}
.scroll-cue span{
  width:1px; height:34px; background:linear-gradient(#B9C2AC, transparent);
  animation:scrollPulse 1.8s ease-in-out infinite;
}
@keyframes scrollPulse{0%,100%{opacity:.3;} 50%{opacity:1;}}

/* ===================== MISSION STRIP ===================== */
.mission{
  background:var(--wheat-gold); color:var(--soil-black); padding:56px 24px; text-align:center;
}
.mission p{
  max-width:820px; margin:0 auto; font-family:var(--font-display); font-style:italic;
  font-size:clamp(1.1rem, 2.4vw, 1.5rem); font-weight:500; line-height:1.4;
}

/* ===================== GRID HELPERS ===================== */
.grid-2{display:grid; grid-template-columns:1.1fr .9fr; gap:60px; align-items:center;}
.grid-2.reverse{grid-template-columns:.9fr 1.1fr;}
.col-media{display:flex; flex-direction:column; gap:20px;}

/* ===================== TILT CARD (3D) ===================== */
.tilt-card{transform-style:preserve-3d; transition:transform .15s ease, box-shadow .3s ease; will-change:transform;}

/* ===================== PROBLEM ===================== */
.problem-cards{display:grid; gap:16px; margin-top:32px;}
.problem-card{
  background:var(--paper-white); border-radius:18px; padding:22px 24px;
  box-shadow:0 10px 24px rgba(20,25,15,.06);
}
.p-icon{font-size:1.6rem; margin-bottom:10px;}
.problem-card h3{font-size:1.05rem; margin-bottom:6px;}
.problem-card p{color:var(--ink-soft); font-size:.92rem;}
.rounded-photo{border-radius:22px; box-shadow:0 20px 45px rgba(20,25,15,.18); object-fit:cover;}
.rounded-photo.small{max-height:220px; width:100%; object-fit:cover;}
.media-duo{display:grid; grid-template-columns:1fr 1fr; gap:20px;}
.rounded-photo.wide{width:100%; max-height:420px; margin-top:44px;}

/* ===================== SOLUTION (dark) ===================== */
.solution{background:linear-gradient(180deg, var(--soil-black), #1B2415);}
.solution .section-inner{text-align:center;}
.solution .lead{margin-left:auto; margin-right:auto;}
.solution-grid{display:grid; grid-template-columns:1fr 1fr; gap:24px; max-width:720px; margin:44px auto 0; text-align:left;}
.solution-photo{background:#fff; border-radius:20px; padding:14px; box-shadow:0 20px 40px rgba(0,0,0,.4);}
.solution-photo img{border-radius:12px;}
.how-title{color:var(--paper-white); margin-top:70px; margin-bottom:26px; font-size:1.4rem;}
.steps{
  max-width:760px; margin:0 auto; text-align:left;
  display:grid; gap:18px;
}
.steps li{
  display:flex; align-items:flex-start; gap:18px;
  background:rgba(255,255,255,.05); border:1px solid rgba(255,255,255,.08);
  padding:18px 22px; border-radius:16px;
}
.step-num{font-family:var(--font-mono); color:var(--wheat-gold-light); font-weight:600; font-size:1rem;}
.steps p{color:#E7E9DF; font-size:.98rem;}

/* ===================== TECH ===================== */
.flip-card{perspective:1200px; cursor:pointer;}
.flip-inner{
  position:relative; width:100%; padding-top:100%; transform-style:preserve-3d;
  transition:transform .7s cubic-bezier(.4,.2,.2,1);
  border-radius:20px;
}
.flip-card:hover .flip-inner, .flip-card:focus .flip-inner{transform:rotateY(180deg);}
.flip-front, .flip-back{
  position:absolute; inset:0; backface-visibility:hidden; border-radius:20px; overflow:hidden;
}
.flip-front{background:#fff; box-shadow:0 20px 45px rgba(20,25,15,.15);}
.flip-front img{width:100%; height:100%; object-fit:cover;}
.flip-hint{
  position:absolute; bottom:14px; left:14px; right:14px; text-align:center;
  background:rgba(18,22,15,.72); color:#fff; font-size:.72rem; padding:8px 10px; border-radius:100px;
  font-family:var(--font-mono);
}
.flip-back{
  background:var(--field-green); color:#fff; transform:rotateY(180deg);
  display:flex; flex-direction:column; justify-content:center; padding:36px;
}
.flip-back h4{margin-bottom:14px; font-size:1.3rem;}
.flip-back p{color:#DCE5D0; line-height:1.55;}
.check-list{display:grid; gap:12px; margin-top:22px;}
.check-list li{
  position:relative; padding-left:28px; color:var(--ink-soft); font-size:.96rem;
}
.check-list li::before{
  content:'✓'; position:absolute; left:0; top:0; color:var(--valve-teal); font-weight:700;
}

/* ===================== IMPACT ===================== */
.impact{background:linear-gradient(180deg,#1B2415, var(--soil-black));}
.stat-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:22px; margin-top:40px;}
.stat-card{
  background:rgba(255,255,255,.05); border:1px solid rgba(255,255,255,.09);
  border-radius:20px; padding:28px; color:#fff;
}
.stat-label{font-family:var(--font-mono); font-size:.82rem; color:#B9C2AC; margin-bottom:18px;}
.stat-label span{display:block; font-size:.72rem; opacity:.7;}
.bar-row{display:flex; align-items:center; gap:10px; margin-bottom:10px; font-size:.8rem;}
.bar-row span{width:78px; flex-shrink:0; color:#C7CDBB;}
.bar{
  height:26px; border-radius:6px; background:var(--rust-iron);
  width:var(--w); display:flex; align-items:center; justify-content:flex-end;
  padding-right:8px; font-family:var(--font-mono); font-size:.72rem; color:#fff;
  transition:width 1.2s ease;
}
.bar.accent{background:var(--wheat-gold); color:var(--soil-black);}
.stat-highlight{margin-top:16px; font-size:.9rem; color:var(--wheat-gold-light); font-weight:600;}
.highlight-card{background:linear-gradient(160deg, var(--valve-teal), #163338); display:flex; flex-direction:column; justify-content:center;}
.big-num{font-family:var(--font-display); font-size:3rem; font-weight:700; color:var(--wheat-gold-light); margin:6px 0;}
.big-num.small{font-size:2.2rem;}
.usp-strip{display:grid; grid-template-columns:repeat(3,1fr); gap:20px; margin-top:50px; border-top:1px solid rgba(255,255,255,.12); padding-top:36px;}
.usp{text-align:center; color:#fff;}
.usp strong{display:block; font-family:var(--font-display); font-size:1.7rem; color:var(--wheat-gold-light);}
.usp span{color:#B9C2AC; font-size:.85rem;}

/* ===================== VIDEO ===================== */
.video-section{background:var(--paper); text-align:center;}
.video-section h2{max-width:600px; margin-left:auto; margin-right:auto;}
.video-frame{
  max-width:860px; margin:40px auto 0; border-radius:22px; overflow:hidden;
  box-shadow:0 30px 60px rgba(20,25,15,.22); background:#000;
  aspect-ratio:16/9; position:relative;
}
.video-frame iframe{position:absolute; inset:0; width:100%; height:100%; border:0;}

/* ===================== BUSINESS ===================== */
.business{background:var(--soil-black);}
.traction-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:20px; margin:40px 0 60px;}
.traction-card{
  background:rgba(255,255,255,.05); border:1px solid rgba(255,255,255,.09);
  border-radius:20px; padding:30px; text-align:center; color:#fff;
}
.traction-card p:last-child{color:#B9C2AC; font-size:.9rem;}
.projection{margin-bottom:60px;}
.proj-bars{
  display:flex; align-items:flex-end; gap:18px; height:220px; margin-top:30px;
  padding:0 10px;
}
.proj-col{
  flex:1; height:var(--h); background:linear-gradient(180deg, var(--wheat-gold-light), var(--wheat-gold));
  border-radius:8px 8px 0 0; position:relative; min-height:30px;
  display:flex; align-items:flex-start; justify-content:center; padding-top:10px;
  transition:transform .3s ease;
}
.proj-col:hover{transform:scaleY(1.03);}
.proj-val{font-family:var(--font-mono); font-size:.72rem; font-weight:600; color:var(--soil-black); position:absolute; top:-26px;}
.proj-yr{
  position:absolute; bottom:-28px; font-family:var(--font-mono); font-size:.78rem; color:#B9C2AC;
}
.market-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:20px; margin-bottom:60px;}
.market-card{
  background:rgba(255,255,255,.05); border:1px solid rgba(255,255,255,.09);
  border-radius:20px; padding:26px; color:#fff;
}
.market-card p:last-child{color:#B9C2AC; font-size:.88rem;}
.achievements{display:grid; grid-template-columns:1fr 1fr; gap:40px; color:#fff; margin-bottom:20px;}
.ach-col h4{color:var(--wheat-gold-light); margin-bottom:16px; font-size:1.1rem;}
.ach-col li{position:relative; padding-left:22px; margin-bottom:10px; color:#D9E0CE; font-size:.92rem;}
.ach-col li::before{content:'—'; position:absolute; left:0; color:var(--valve-teal-light);}

/* ===================== TEAM ===================== */
.team-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:26px; margin-top:40px;}
.team-card{
  background:var(--paper-white); border-radius:22px; overflow:hidden; box-shadow:0 16px 32px rgba(20,25,15,.08);
  padding-bottom:24px; text-align:center;
}
.team-card img{width:100%; height:280px; object-fit:cover; object-position:top;}
.team-card h3{margin:20px 0 4px; font-size:1.2rem;}
.role{color:var(--valve-teal); font-weight:600; font-size:.88rem;}
.role-detail{color:var(--ink-soft); font-size:.82rem; margin-top:4px; padding:0 16px;}

/* ===================== FOOTER ===================== */
.footer{background:var(--soil-black); color:#fff; padding:90px 24px 30px;}
.footer-inner{
  max-width:1180px; margin:0 auto; display:grid; grid-template-columns:1fr 1.3fr; gap:50px;
  padding-bottom:50px; border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-brand{display:flex; flex-direction:column; gap:16px; align-items:flex-start;}
.footer-brand img{width:64px; height:64px; border-radius:50%; background:#fff;}
.footer-brand p{color:#B9C2AC; max-width:260px;}
.footer-cta h2{color:#fff; margin-bottom:22px;}
.footer-web{margin-top:16px; color:var(--wheat-gold-light); font-family:var(--font-mono);}
.footer-bottom{
  max-width:1180px; margin:24px auto 0; text-align:center; color:#7D8570; font-size:.8rem;
}

/* ===================== SCROLL REVEAL ===================== */
.reveal{opacity:0; transform:translateY(28px); transition:opacity .8s ease, transform .8s ease;}
.reveal.is-visible{opacity:1; transform:translateY(0);}

/* ===================== RESPONSIVE ===================== */
@media (max-width:900px){
  .nav-links{display:none;}
  #navToggle{display:flex;}
  .nav-cta{display:none;}
  .grid-2, .grid-2.reverse{grid-template-columns:1fr; gap:36px;}
  .solution-grid{grid-template-columns:1fr;}
  .stat-grid, .traction-grid, .market-grid, .team-grid{grid-template-columns:1fr;}
  .achievements{grid-template-columns:1fr; gap:28px;}
  .footer-inner{grid-template-columns:1fr;}
  .usp-strip{grid-template-columns:1fr; gap:28px;}
  .section{padding:90px 20px;}
  .media-duo{grid-template-columns:1fr;}
}
@media (max-width:480px){
  .valve-stage{transform:scale(.8); transform-origin:top center;}
  .proj-bars{gap:10px;}
  .proj-val{font-size:.62rem;}
}
@media (prefers-reduced-motion: reduce){
  *{animation:none !important; transition:none !important;}
}