:root{--navy:#073b72;--cyan:#079bb1;--ink:#183a60;--muted:#667c95;--line:rgba(11,83,125,.14);--shadow:0 30px 80px rgba(13,62,91,.12)}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--ink);background:radial-gradient(circle at 85% 8%,rgba(86,184,213,.20),transparent 27rem),linear-gradient(180deg,#eef5f8 0%,#f8fbfc 100%);font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;-webkit-font-smoothing:antialiased}
a{color:inherit}
.page-shell{width:min(1480px,calc(100% - 36px));margin:24px auto 40px}
.hero{position:relative;overflow:hidden;border-radius:28px;background:rgba(255,255,255,.97);box-shadow:var(--shadow);padding:48px 62px 24px;isolation:isolate}
.ambient{position:absolute;z-index:-2;border-radius:999px}
.ambient-one{width:700px;height:700px;right:-230px;top:-260px;background:radial-gradient(circle,rgba(38,177,210,.19),rgba(73,170,206,.05) 50%,transparent 68%)}
.ambient-two{width:960px;height:260px;right:-180px;bottom:70px;transform:rotate(-7deg);background:linear-gradient(90deg,transparent,rgba(89,191,219,.18),rgba(20,132,173,.08),transparent)}
.topbar{display:flex;justify-content:space-between;align-items:flex-start;gap:28px}
.brand{display:inline-flex;align-items:center;text-decoration:none}
.brand-logo{display:block;width:min(430px,48vw);max-height:126px;object-fit:contain;object-position:left center}
.signature{margin:4px 0 0;padding:4px 0 4px 18px;border-left:2px solid var(--cyan);color:var(--navy);font-size:.72rem;line-height:1.75;text-transform:uppercase;letter-spacing:.20em}
.hero-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(420px,.95fr);gap:48px;align-items:center;margin-top:38px}
.hero-copy{max-width:680px}
.status{width:max-content;display:inline-flex;align-items:center;gap:10px;padding:10px 18px;border-radius:999px;background:#e4f8fc;color:#066d83;font-weight:700;font-size:.95rem}
.status-dot{width:9px;height:9px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 6px color-mix(in srgb,var(--cyan) 10%,transparent)}
h1{margin:22px 0 18px;color:var(--navy);font-size:clamp(3.5rem,6.7vw,6.8rem);line-height:.93;letter-spacing:-.065em;font-weight:850}
.title-main{color:var(--navy)}
h1 span:not(.title-main){color:var(--cyan)}
.lead{max-width:650px;margin:0;font-size:clamp(1.25rem,2vw,1.65rem);line-height:1.48;color:#173f6d}
.support{margin:22px 0 0;color:#345675;font-size:1.06rem}
.actions{margin-top:30px}
.primary-cta{display:inline-flex;align-items:center;gap:14px;min-width:250px;justify-content:center;border-radius:999px;padding:17px 22px;color:#fff;text-decoration:none;font-weight:800;background:linear-gradient(110deg,var(--navy),var(--cyan));box-shadow:0 12px 28px rgba(5,75,121,.22);transition:transform .2s ease,box-shadow .2s ease}
.primary-cta:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(5,75,121,.28)}
.primary-cta .arrow{margin-left:auto;font-size:1.25rem}
.contact-row{display:flex;flex-wrap:wrap;align-items:center;gap:18px;margin-top:26px;color:#234d79;font-size:.95rem}
.contact-row a{text-decoration:none}
.contact-row a:hover{text-decoration:underline}
.divider{height:30px;width:1px;background:var(--line)}
.visual-card{position:relative;min-height:470px;border-radius:30px;overflow:hidden;background:linear-gradient(180deg,rgba(232,248,252,.4),rgba(234,247,246,.62)),radial-gradient(circle at 50% 8%,#d9f3fb 0 22%,transparent 23%),linear-gradient(160deg,#eaf8fb 0%,#d9edf2 48%,#edf7f5 100%);box-shadow:inset 0 0 0 1px rgba(9,101,137,.06)}
.visual-card:before{content:"";position:absolute;inset:0;background:linear-gradient(155deg,rgba(255,255,255,.12),rgba(255,255,255,.18)),linear-gradient(155deg,transparent 42%,rgba(17,135,174,.09) 43% 45%,transparent 46%),linear-gradient(167deg,transparent 58%,rgba(33,161,187,.08) 59% 61%,transparent 62%);z-index:1;pointer-events:none}
.visual-image{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0;filter:saturate(.93) brightness(1.02)}
.plant{position:absolute;inset:0;transform:translateY(24px)}
.land{position:absolute;border-radius:50%;background:#b8d7b4;filter:drop-shadow(0 12px 16px rgba(35,93,77,.10))}
.land-a{width:560px;height:220px;left:50px;bottom:28px;transform:rotate(-7deg)}
.land-b{width:360px;height:160px;right:-40px;bottom:66px;transform:rotate(8deg)}
.reservoir{position:absolute;border-radius:50%;background:#f7fcfc;border:14px solid #e1ecec;box-shadow:0 18px 36px rgba(40,80,95,.13)}
.reservoir span{position:absolute;inset:15px;border-radius:50%;background:radial-gradient(circle at 45% 35%,rgba(255,255,255,.36),transparent 18%),repeating-radial-gradient(ellipse at center,#288bad 0 3px,#328fad 4px 6px)}
.reservoir-a{width:205px;height:130px;left:70px;bottom:126px}
.reservoir-b{width:240px;height:150px;right:48px;bottom:88px}
.reservoir-c{width:150px;height:96px;right:190px;top:100px}
.building{position:absolute;background:#fff;border:1px solid rgba(30,91,106,.10);box-shadow:0 14px 22px rgba(36,72,82,.09)}
.building:before{content:"";position:absolute;left:14%;right:14%;bottom:12%;height:18%;background:repeating-linear-gradient(90deg,#6fa8b7 0 6px,transparent 6px 16px)}
.building-a{width:120px;height:82px;left:255px;top:86px;transform:skewY(-3deg)}
.building-b{width:105px;height:70px;right:80px;top:70px;transform:skewY(3deg)}
.building-c{width:90px;height:62px;left:250px;bottom:56px}
.pipe{position:absolute;height:8px;border-radius:999px;background:#8caeba;box-shadow:0 5px 0 rgba(255,255,255,.65);transform-origin:left center}
.pipe-a{width:270px;left:205px;bottom:196px;transform:rotate(-7deg)}
.pipe-b{width:210px;left:260px;bottom:122px;transform:rotate(5deg)}
.visual-note{position:absolute;right:32px;top:30px;max-width:250px;margin:0;color:#0b5277;font-family:Georgia,"Times New Roman",serif;font-style:italic;font-size:1.35rem;line-height:1.35;transform:rotate(-3deg);z-index:2}
.expertises{margin-top:46px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.expertises-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.expertises article{display:flex;align-items:center;gap:16px;min-height:100px;padding:22px 26px}
.expertises article+article{border-left:1px solid var(--line)}
.icon{display:grid;place-items:center;flex:0 0 46px;width:46px;height:46px;color:var(--cyan);font-size:2rem}
.expertises p{margin:0;color:#1f537d;font-size:.97rem;line-height:1.5}
.expertises strong{font-weight:700;color:var(--navy)}
.partners{display:grid;grid-template-columns:minmax(220px,.34fr) 1fr;gap:24px;align-items:center;padding:28px 0 30px;border-bottom:1px solid var(--line)}
.eyebrow{margin:0 0 6px;color:var(--cyan);text-transform:uppercase;letter-spacing:.16em;font-size:.72rem;font-weight:800}
.partners h2{margin:0;color:var(--navy);font-size:1.65rem;letter-spacing:-.03em}
.partners-subtitle{margin:9px 0 0;color:#4e6a82;font-size:.95rem;line-height:1.5;max-width:330px}
.partners-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));align-items:stretch;gap:12px;width:100%}
.partner-link{display:flex;align-items:center;justify-content:center;min-width:0;width:100%;height:76px;padding:12px 14px;border:1px solid var(--line);border-radius:15px;background:rgba(255,255,255,.94);text-decoration:none;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.partner-link:hover{transform:translateY(-2px);border-color:rgba(7,91,146,.20);box-shadow:0 10px 24px rgba(13,62,91,.09)}
.partner-link img{display:block;max-width:100%;max-height:42px;width:auto;height:auto;object-fit:contain}
.footer{display:flex;justify-content:space-between;gap:24px;padding-top:20px;color:#58728c;font-size:.83rem}
.footer p{margin:0}
.footer strong{color:var(--navy)}
@media(max-width:1050px){
.hero{padding:34px 34px 24px}
.hero-grid{grid-template-columns:1fr;margin-top:42px}
.hero-copy{max-width:none}
.visual-card{min-height:390px}
.expertises-grid{grid-template-columns:1fr 1fr}
.expertises article:nth-child(3){border-left:0;border-top:1px solid var(--line)}
.expertises article:nth-child(4){border-top:1px solid var(--line)}
.partners{grid-template-columns:1fr;gap:16px}
.partners-copy{max-width:100%}
}
@media(max-width:680px){
.page-shell{width:100%;margin:0 0 28px}
.hero{min-height:0;border-radius:0;padding:24px 20px}
.topbar{align-items:center}
.brand-logo{width:min(340px,82vw);max-height:110px}
.signature{display:none}
.hero-grid{gap:26px;margin-top:26px}
h1{font-size:clamp(3rem,16vw,4.8rem)}
.lead{font-size:1.16rem}
.visual-card{min-height:300px;border-radius:22px}
.visual-note{top:20px;right:18px;font-size:1.05rem}
.plant{transform:scale(.76) translate(-45px,80px);transform-origin:center}
.contact-row{display:grid;gap:8px}
.divider{display:none}
.expertises{margin-top:30px}
.expertises-grid{grid-template-columns:1fr 1fr}
.expertises article{padding:18px 12px;gap:10px;min-height:90px}
.expertises article:nth-child(3){border-left:0}
.expertises article:nth-child(2),.expertises article:nth-child(4){border-left:1px solid var(--line)}
.expertises p{font-size:.82rem}
.icon{width:36px;height:36px;flex-basis:36px;font-size:1.55rem}
.partners{grid-template-columns:1fr;gap:14px;padding:22px 0 26px}
.partners-subtitle{margin-top:7px;color:#4e6a82;font-size:.92rem;line-height:1.48;max-width:none}
.partners-list{grid-template-columns:repeat(3,minmax(0,1fr));gap:9px}
.partner-link{height:68px;padding:10px 9px;border-radius:13px}
.partner-link img{max-width:88px;max-height:36px}
.footer{display:grid;gap:8px;font-size:.8rem}
}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

@media(max-width:340px){.partners-list{grid-template-columns:repeat(2,minmax(0,1fr))}.partner-link{height:70px}.partner-link img{max-width:100%;max-height:38px}}

/* V4.2 — mobile polish */
@media(max-width:680px){
  .page-shell{margin:0 0 18px}
  .hero{padding:20px 18px 18px}
  .topbar{min-height:78px}
  .brand-logo{width:min(300px,76vw);max-height:96px}
  .hero-grid{margin-top:18px;gap:22px}
  .status{padding:8px 14px;font-size:.9rem}
  h1{margin:18px 0 16px;font-size:clamp(3rem,14vw,4.15rem);line-height:.96;letter-spacing:-.055em}
  .lead{font-size:1.08rem;line-height:1.5}
  .support{margin-top:16px;font-size:1rem;line-height:1.45}
  .actions{margin-top:24px}
  .primary-cta{width:min(100%,330px);min-width:0;padding:15px 19px}
  .contact-row{margin-top:18px;gap:6px;font-size:.94rem}
  .visual-card{min-height:0;aspect-ratio:16/9;border-radius:18px}
  .visual-note{top:16px;right:16px;max-width:58%;font-size:.96rem;line-height:1.3}
  .expertises{margin-top:24px}
  .expertises article{min-height:84px;padding:16px 10px}
  .expertises p{font-size:.8rem;line-height:1.42}
  .partners{gap:12px;padding:20px 0 22px}
  .partners h2{font-size:1.55rem}
  .partners-subtitle{font-size:.9rem;line-height:1.45}
  .partners-list{gap:8px}
  .partner-link{height:64px;padding:9px 8px;border-radius:12px}
  .partner-link img{max-width:84px;max-height:34px}
  .footer{padding-top:18px;gap:6px;font-size:.77rem;line-height:1.45}
}

@media(max-width:380px){
  h1{font-size:clamp(2.9rem,13.5vw,3.7rem)}
  .brand-logo{width:min(270px,74vw)}
  .partners-list{grid-template-columns:repeat(3,minmax(0,1fr))}
  .partner-link{height:62px}
  .partner-link img{max-width:78px;max-height:32px}
}

/* V4.3 — final mobile polish */
@media(max-width:680px){
  /* A little more breathing room after the contact details, without stretching the hero. */
  .contact-row{margin-bottom:8px}
  .visual{margin-top:4px}

  /* Cleaner top hierarchy. The signature remains intentionally hidden on phones. */
  .topbar{min-height:72px}
  .brand-logo{width:min(310px,78vw);max-height:98px}

  /* Fine optical balancing of the six partner marks. */
  .partners-list{gap:9px}
  .partner-link{height:66px;padding:9px 10px;border-radius:13px}
  .partner-link img{max-width:86px;max-height:35px}
  .partner-link:nth-child(1) img{max-width:96px;max-height:40px;transform:scale(1.08)}
  .partner-link:nth-child(2) img{max-width:92px;max-height:37px}
  .partner-link:nth-child(3) img{max-width:82px;max-height:36px}
  .partner-link:nth-child(4) img{max-width:91px;max-height:36px}
  .partner-link:nth-child(5) img{max-width:84px;max-height:35px}
  .partner-link:nth-child(6) img{max-width:92px;max-height:35px}

  /* Footer: easier to read, but still discreet. */
  .footer{padding-top:17px;gap:7px;font-size:.79rem;line-height:1.55;color:#506b84}
  .footer p+ p{margin-top:1px}

  /* Less residual blue below the white page card. */
  .page-shell{margin-bottom:8px}
}

/* Keep the corporate signature a touch more legible where it is actually shown. */
@media(min-width:681px){
  .signature{font-size:.76rem;line-height:1.7;color:#0b4a7b;letter-spacing:.19em}
}

@media(max-width:380px){
  .partner-link{height:64px;padding:8px}
  .partner-link:nth-child(1) img{max-width:91px;max-height:38px}
  .footer{font-size:.77rem}
}

/* V4.4 — SEO + final H1 mobile balance */
.sr-only{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}
.expertise-copy h3{margin:0;color:var(--navy);font-size:.97rem;line-height:1.35;font-weight:700}
.expertise-copy p{margin:4px 0 0;color:#1f537d;font-size:.97rem;line-height:1.45}

@media(max-width:680px){
  h1{
    font-size:clamp(2.8rem,12vw,4rem);
    line-height:.94;
    letter-spacing:-.045em;
  }
  .expertise-copy h3{font-size:.82rem;line-height:1.35}
  .expertise-copy p{margin-top:3px;font-size:.8rem;line-height:1.42}
}

@media(max-width:380px){
  h1{font-size:clamp(2.7rem,11.8vw,3.55rem)}
}
