:root{--bg:#f4f6f7;--ink:#17252a;--muted:#5d6b70;--deep:#0c2e3b;--line:#d7dfe2;--accent:#b78b4b;--white:#fff}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Arial,Helvetica,sans-serif;background:var(--bg);color:var(--ink);line-height:1.55}a{color:inherit}img{max-width:100%;display:block}.wrap{width:min(1180px,92%);margin:auto}.top{position:sticky;top:0;z-index:9;background:rgba(12,46,59,.97);color:white;border-bottom:1px solid rgba(255,255,255,.13)}.nav{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:14px 0}.brand{display:flex;align-items:center;gap:12px;text-decoration:none}.mark{width:43px;height:43px;border:1px solid #fff;display:grid;place-items:center;font-weight:700;letter-spacing:.06em}.brand b{display:block;letter-spacing:.04em}.brand small{display:block;opacity:.72;font-size:11px;letter-spacing:.1em}.links{display:flex;gap:15px;align-items:center}.links a{text-decoration:none;font-size:13px;opacity:.88}.links a:hover{opacity:1}.toggle{display:flex;border:1px solid rgba(255,255,255,.35);border-radius:20px;overflow:hidden}.toggle button{border:0;background:transparent;color:#fff;padding:7px 11px;cursor:pointer}.toggle button.on{background:#fff;color:var(--deep)}
.hero{background:linear-gradient(135deg,#092b38,#174b58);color:#fff;padding:72px 0 64px}.eyebrow{text-transform:uppercase;letter-spacing:.13em;font-size:12px;color:#d8bd8e;font-weight:700}.hero h1{font-size:clamp(36px,6vw,72px);line-height:1.02;margin:14px 0 18px;max-width:900px}.hero p{max-width:850px;font-size:20px;color:#e1e8ea}.tio2-word{color:#d5a244;font-weight:800}.hero-focus{display:inline-flex;align-items:baseline;gap:14px;margin:4px 0 18px;padding:12px 18px;border:1px solid rgba(216,189,142,.72);background:rgba(255,255,255,.06);border-radius:4px}.hero-focus strong{font-size:30px;line-height:1;color:#d8bd8e}.hero-focus span{font-size:18px;font-weight:700;color:#fff}.btns{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}.btn{display:inline-block;text-decoration:none;border-radius:3px;padding:12px 17px;font-weight:700;font-size:14px;border:1px solid #fff}.btn.gold{background:var(--accent);border-color:var(--accent);color:#111}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);margin-top:-24px;box-shadow:0 12px 30px rgba(0,0,0,.08)}.stat{background:#fff;padding:24px}.stat strong{display:block;font-size:26px;color:var(--deep)}.stat span{font-size:13px;color:var(--muted)}
section{padding:64px 0}.wash{background:#eaf0f1}.head{max-width:850px;margin-bottom:28px}.head h2{font-size:34px;line-height:1.12;margin:7px 0 10px;color:var(--deep)}.head p{color:var(--muted)}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:24px}.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.card{background:#fff;border:1px solid var(--line);padding:24px;border-radius:4px}.card.tio2{border-top:5px solid var(--accent);background:#fffdf8}.card.tio2 .metric{font-size:42px}.card.tio2 .eyebrow{font-size:14px;color:#9a6c27}.metric{font-size:36px;font-weight:800;color:var(--deep);line-height:1.1;margin:8px 0}.sub{font-weight:700;color:#53666d}.muted{color:var(--muted)}.figure{background:#fff;border:1px solid var(--line);padding:10px}.figure figcaption{font-size:11px;color:var(--muted);padding:9px 4px 1px}.targets{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.target b{font-size:20px;color:var(--deep)}.target .code{font-size:12px;letter-spacing:.12em;color:var(--accent);font-weight:800}.table{width:100%;border-collapse:collapse;background:#fff}.table th,.table td{padding:12px;border-bottom:1px solid var(--line);text-align:left;font-size:14px}.table th{background:#123f4d;color:#fff}.notice{border-left:5px solid var(--accent);background:#fff;padding:22px 24px}.docs{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.doc{background:#fff;border:1px solid var(--line);padding:22px}.doc h3{margin-top:5px}.doc a{display:inline-block;margin-top:8px;color:#0b5369;font-weight:700}.news{background:#fff;border:1px solid var(--line);padding:28px}.contact{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.contact .card a{color:#0b5369}.address{margin-top:16px;background:#fff;border:1px solid var(--line);padding:22px}.footer{background:#092b38;color:#fff;padding:42px 0}.footer p{color:#cbd8dc;font-size:13px}.fine{font-size:11px;color:#9fb1b7;margin-top:25px}.pt{display:none}body.ptlang .en{display:none}body.ptlang .pt{display:initial}
@media(max-width:900px){.links{display:none}.stats,.grid4,.targets,.docs,.contact{grid-template-columns:1fr 1fr}.grid2{grid-template-columns:1fr}.hero{padding-top:52px}}@media(max-width:600px){.stats,.grid4,.targets,.docs,.contact{grid-template-columns:1fr}.stat{padding:18px}.hero p{font-size:17px}.head h2{font-size:29px}.metric{font-size:30px}}

.media-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:18px;align-items:start}.video-card,.visual-card{background:#fff;border:1px solid var(--line);padding:16px}.video-card video{width:100%;display:block;background:#000}.visuals{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:20px}.visual-card img{width:100%;aspect-ratio:16/9;object-fit:cover;border:1px solid var(--line)}.visual-card h3{margin:12px 0 5px}.visual-card p{margin:0;color:var(--muted);font-size:14px}.scale-note{margin-top:18px;background:#fff;border:1px solid var(--line);padding:20px}.scale-note strong{color:var(--deep)}.smallcaps{font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:var(--accent);font-weight:700}.expansion-list{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:18px}.expansion-list .card{padding:18px}.arith{margin-top:16px;border-left:4px solid var(--accent);padding:14px 18px;background:#fff}.arith b{color:var(--deep)}
@media(max-width:900px){.media-grid{grid-template-columns:1fr}.visuals,.expansion-list{grid-template-columns:1fr}}

/* Image enlargement controls */
.figure img,.visual-card img{cursor:zoom-in}
.zoom-btn{margin-top:10px;border:1px solid var(--deep);background:#fff;color:var(--deep);padding:9px 13px;border-radius:3px;font-weight:700;font-size:13px;cursor:pointer}
.zoom-btn:hover{background:var(--deep);color:#fff}
.img-modal{display:none;position:fixed;inset:0;z-index:9999;background:rgba(0,0,0,.90);padding:28px;align-items:center;justify-content:center}
.img-modal.open{display:flex}
.img-modal-inner{position:relative;width:min(96vw,1800px);height:min(92vh,1100px);display:flex;align-items:center;justify-content:center}
.img-modal img{max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain;background:#fff;box-shadow:0 10px 50px rgba(0,0,0,.45)}
.img-modal-close{position:absolute;top:-12px;right:-4px;border:1px solid rgba(255,255,255,.7);background:#092b38;color:#fff;width:42px;height:42px;border-radius:50%;font-size:26px;line-height:38px;cursor:pointer;z-index:2}
.img-modal-hint{position:absolute;left:0;bottom:-24px;color:#fff;font-size:12px;opacity:.85}
.img-modal-actions{position:absolute;left:0;top:-16px;display:flex;gap:8px;z-index:3}
.img-original-btn{border:1px solid rgba(255,255,255,.75);background:#092b38;color:#fff;padding:9px 13px;border-radius:3px;font-weight:700;font-size:13px;cursor:pointer}
.img-original-btn:hover{background:#fff;color:#092b38}
@media(max-width:600px){.img-modal-actions{top:auto;bottom:-54px;left:0;right:0;justify-content:center}.img-original-btn{font-size:12px;padding:8px 10px}.img-modal{padding:12px}.img-modal-inner{width:98vw;height:86vh}.zoom-btn{width:100%}}

section[id]{scroll-margin-top:90px}.hero-disclosure{font-size:14px!important;line-height:1.6;color:#edf2f4!important;max-width:900px!important}
.source-link{display:inline-block;margin-top:10px;font-size:13px;color:#18566a}.source-note{font-size:13px;color:#52646c}
.table-scroll{overflow-x:auto}.table caption{text-align:left;font-weight:bold;padding:12px 0}.table th,.table td{vertical-align:top}.contact{grid-template-columns:1fr 1fr}.video-card video{aspect-ratio:16/9}
.hero-focus{flex-wrap:wrap}.btn.dark{color:#123f4d;border-color:#123f4d}.metric{overflow-wrap:anywhere}.source-note{max-width:1000px}
.img-modal-close:focus-visible,.zoom-btn:focus-visible,a:focus-visible,button:focus-visible{outline:3px solid #d5a244;outline-offset:4px}
@media(max-width:900px){.links{display:flex;flex-wrap:wrap;max-width:100%;padding-bottom:4px}.nav{flex-wrap:wrap}.links{order:3;width:100%;gap:8px 20px}.links a{white-space:nowrap}.brand b{font-size:14px}.hero-focus span{font-size:16px}.grid4{grid-template-columns:1fr 1fr}section[id],#home{scroll-margin-top:160px}}
@media(max-width:600px){.contact,.grid4{grid-template-columns:1fr}.hero-focus{display:flex;gap:10px;padding:12px}.hero-focus strong{font-size:24px}.card.tio2 .metric{font-size:34px}.brand small{font-size:10px}.head h2{overflow-wrap:break-word}.links{gap:7px 15px}.links a{font-size:12px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
:root{--wine:#752b45;--wine-dark:#441b31;--forest:#164c48;--blue:#102f49;--accent:#bd985a;--deep:#14394a;--muted:#4e616a}
body{background:#f8f9f8}.top{background:#102f49}.hero{background:linear-gradient(115deg,#102f49 0%,#174b50 55%,#57263f 100%)}
.hero h1{font-weight:750;letter-spacing:-.035em}.hero-focus{border-color:#d7b77a;background:rgba(255,255,255,.075)}
.eyebrow{color:#795a28}.hero .eyebrow{color:#e4c993}.btn{transition:background .18s ease,transform .18s ease}.btn:hover{transform:translateY(-2px)}
.hero .btn.gold:first-child{background:#7e304e;border-color:#d0a1b4;color:white}.hero .btn.gold:first-child:hover{background:#963e60}
.hero .btn.gold:not(:first-child){background:#d0b17a;border-color:#d0b17a}.stats{border-bottom:4px solid #752b45}.stat:nth-child(even) strong{color:#752b45}
.card{box-shadow:0 6px 20px rgba(16,47,73,.035);border-radius:8px}.card.tio2{border-top-color:#752b45;background:#fffafa}.card.tio2 .metric{color:#752b45}
#technical-archive{background:linear-gradient(135deg,#f7f1f3,#f9faf9)}#technical-archive .head h2,#rare-earths .head h2{color:#752b45}
#rare-earths{background:#f4eaf0;border-top:4px solid #752b45}#history{background:#edf4f1}#history .head h2{color:#164c48}
#scale{background:#eef3f7}#scale .head h2{color:#102f49}#investors{background:linear-gradient(135deg,#eaf3ee,#edf2f7)}
#investors .head h2{color:#164c48}#investors .card:nth-child(even){border-top:4px solid #752b45}#investors .card:nth-child(odd){border-top:4px solid #164c48}
#contact{background:#f4edf0}.contact .card:first-child{border-top:4px solid #752b45}.contact .card:nth-child(2){border-top:4px solid #164c48}
.table th{background:#164c48}.source-link,.contact .card a{color:#70243f}.footer{background:linear-gradient(115deg,#102f49,#163f43 65%,#441b31)}
.commercial-note{font-size:13px;color:#53646c;border-top:1px solid #d8dfe2;padding-top:16px}.figure{border-radius:8px}.figure figcaption{font-size:12px;color:#485c66}
@media(max-width:600px){.brand b{font-size:12px;letter-spacing:.01em}.brand small{font-size:9px}.hero h1{font-size:38px}.hero{padding-top:40px}.nav{gap:12px}}

/* Glossy editorial finish: lightweight CSS surfaces, no new image payload. */
body{background:radial-gradient(ellipse at 0 10%,#dce9ec 0,transparent 38%),#f5f7f8;font-family:"Segoe UI",Arial,sans-serif}
.top{background:linear-gradient(110deg,rgba(11,30,48,.97),rgba(17,54,59,.96));border-bottom:1px solid #769eab66;box-shadow:0 5px 30px #09213422;backdrop-filter:blur(16px)}
.mark{border-color:#b4cdd2;border-radius:11px;background:linear-gradient(140deg,#ffffff35,#ffffff03 55%,#85d0c31c);box-shadow:inset 0 1px 0 #ffffff88,0 5px 18px #0002}
.hero{position:relative;isolation:isolate;overflow:hidden;background:radial-gradient(ellipse at 100% 0,#864c6570,transparent 55%),radial-gradient(ellipse at 82% 90%,#1d766454,transparent 55%),linear-gradient(120deg,#071b30,#123c48 55%,#3d1e38);padding:84px 0 84px}
.hero:before{content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;background:linear-gradient(117deg,transparent 0 46%,#c8edf508 46.2%,#c8edf51c 47%,transparent 60%),linear-gradient(0deg,transparent 97%,#b5dbe408 98%),linear-gradient(90deg,transparent 97%,#b5dbe408 98%);background-size:100% 100%,64px 64px,64px 64px}
.hero:after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:linear-gradient(90deg,#234d77,#7fcab7,#ddbb86,#9f4a75)}
.hero h1{font-size:clamp(36px,5.5vw,70px);font-weight:650;letter-spacing:-.045em;text-shadow:0 2px 25px #0002}
.hero-focus{border-radius:16px;background:linear-gradient(135deg,#ffffff17,#ffffff04);border-color:#b8c6be80;box-shadow:inset 0 1px 0 #fff5,0 16px 38px #0002;backdrop-filter:blur(8px);padding:18px 24px}
.hero-focus strong,.tio2-word{color:#e5c894}.hero-focus span{font-weight:600}.hero .eyebrow{letter-spacing:.18em;color:#c6dbdb}
.btn{border-radius:8px;box-shadow:inset 0 1px 0 #ffffff55,0 6px 18px #071d2820}.hero .btn.gold:first-child{background:linear-gradient(155deg,#a14b6b,#642440);border-color:#c1849d}
.hero .btn.gold:not(:first-child){background:linear-gradient(145deg,#ecd9b0,#bb955b);border-color:#d9c18f}.hero .btn:not(.gold){background:linear-gradient(145deg,#ffffff14,#ffffff04);border-color:#b3c9d06b}
.stats{position:relative;border:1px solid #fff;border-bottom:3px solid #955471;border-radius:16px;overflow:hidden;box-shadow:0 22px 50px #102f4914;margin-top:-28px}.stat{background:linear-gradient(140deg,#ffffff,#eef3f5)}
.card,.doc,.news{background:linear-gradient(145deg,#ffffff,#f3f6f7);border:1px solid #fff;border-radius:16px;box-shadow:inset 0 1px 0 #fff,0 12px 30px #153c4b0a}.card.tio2{background:linear-gradient(145deg,#fff,#f6eaf0);border-top:3px solid #8c3d60}
.head h2{font-weight:650;letter-spacing:-.025em}.figure{padding:12px;border:1px solid #fff;border-radius:14px;background:linear-gradient(145deg,#fff,#eef3f4);box-shadow:0 16px 40px #1233430e}.figure img{border-radius:5px;height:auto}
#technical-archive{background:radial-gradient(ellipse at 100% 0,#d9c0cd55,transparent 55%),linear-gradient(135deg,#f8f3f6,#f6f9fa)}
#rare-earths{background:radial-gradient(ellipse at 100% 0,#c797b12b,transparent 60%),linear-gradient(140deg,#faf4f7,#eee1e9);border-top:1px solid #c897ae}
#investors{background:radial-gradient(ellipse at 0 0,#b6dacc55,transparent 65%),linear-gradient(145deg,#edf5f1,#edf2f7)}
.table{border-radius:12px;overflow:hidden;box-shadow:0 8px 24px #102f4908}.table th{background:linear-gradient(110deg,#123e48,#205a50)}.table tbody tr:nth-child(even){background:#f2f6f7}
.footer{border-top:1px solid #c5a6b655;background:linear-gradient(115deg,#0b2034,#164440 65%,#49263f)}.zoom-btn{border-radius:7px;background:linear-gradient(145deg,#fff,#edf3f4)}
@media(max-width:600px){.hero{padding:50px 0 64px}.hero h1{font-size:40px}.hero-focus{padding:16px}.stats{border-radius:12px}.card{padding:22px}.top{backdrop-filter:none}.hero-focus{backdrop-filter:none}}
@media(prefers-reduced-motion:reduce){.btn{transition:none}.btn:hover{transform:none}}