*{box-sizing:border-box;margin:0;padding:0}
:root{--bg:#020817;--panel:rgba(4,25,57,.72);--line:rgba(51,151,255,.2);--blue:#078fff;--cyan:#35d5ff;--text:#f4f9ff;--muted:#7695c2}
html{scroll-behavior:smooth}
body{min-height:100vh;overflow-x:hidden;background:radial-gradient(circle at 15% 35%,rgba(0,100,255,.15),transparent 30%),radial-gradient(circle at 85% 20%,rgba(0,210,255,.09),transparent 28%),linear-gradient(135deg,#020817,#03142f 52%,#020817);color:var(--text);font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
a{text-decoration:none;color:inherit}
.background-grid{position:fixed;inset:0;z-index:-3;background-image:linear-gradient(rgba(38,133,226,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(38,133,226,.035) 1px,transparent 1px);background-size:60px 60px;mask-image:linear-gradient(to bottom,#000,transparent)}
.ambient{position:fixed;border-radius:50%;filter:blur(80px);pointer-events:none;z-index:-2}.ambient-1{width:300px;height:300px;left:-100px;top:35%;background:rgba(0,110,255,.13)}.ambient-2{width:260px;height:260px;right:-80px;bottom:10%;background:rgba(0,190,255,.09)}
.header{height:92px;display:flex;align-items:center;padding:0 5%;border-bottom:1px solid rgba(67,137,225,.15);background:rgba(1,10,30,.72);backdrop-filter:blur(20px);position:relative;z-index:10}
.brand{display:flex;align-items:center;gap:14px;min-width:300px}.brand-sun{width:48px;height:48px;border-radius:50%;display:grid;place-items:center;font-size:27px;background:radial-gradient(circle at 35% 30%,#75e5ff,#087cff 48%,#003b9b);box-shadow:0 0 25px rgba(0,153,255,.55),inset 0 0 12px rgba(255,255,255,.3)}.brand strong{display:block;font-size:24px;letter-spacing:2px}.brand small{display:block;margin-top:2px;color:#6689bd;font-size:8px;letter-spacing:1.5px}
.nav{height:100%;display:flex;margin-left:auto}.nav a{height:100%;display:flex;align-items:center;gap:10px;padding:0 24px;border-left:1px solid rgba(67,137,225,.13);color:#9dbce6;font-size:12px;letter-spacing:.7px;transition:.25s}.nav a:last-child{border-right:1px solid rgba(67,137,225,.13)}.nav a span:first-child{font-size:19px;color:#119fff}.nav a:hover,.nav a.active{color:#35c9ff;background:rgba(0,130,255,.07)}
.language-switcher{display:flex;padding:4px;margin-left:18px;border:1px solid rgba(42,135,230,.35);border-radius:8px;background:rgba(0,30,75,.55)}.language-button{min-width:42px;height:32px;border:0;border-radius:5px;color:#6f91c0;background:transparent;font-size:11px;font-weight:700;cursor:pointer}.language-button.active{color:#fff;background:linear-gradient(135deg,#0879ed,#00aeea);box-shadow:0 0 12px rgba(0,157,255,.35)}
.hero{min-height:650px;display:grid;grid-template-columns:1fr 1fr;align-items:center;width:min(1250px,90%);margin:auto}.hero-copy{padding:80px 0;z-index:2}.eyebrow{color:#10a9ff;font-size:10px;letter-spacing:3px;font-weight:700;margin-bottom:18px}.hero h1{font-size:clamp(38px,5vw,67px);line-height:1.02;letter-spacing:2px;margin-bottom:25px}.hero h1 span{color:#42caff;text-shadow:0 0 30px rgba(0,180,255,.25)}.hero-copy>p{max-width:610px;color:#7899c8;font-size:15px;line-height:1.8}
.hero-actions{display:flex;gap:14px;margin-top:35px}.primary-button,.secondary-button{height:48px;padding:0 25px;border-radius:8px;display:inline-flex;align-items:center;justify-content:center;border:1px solid rgba(0,177,255,.4);font-size:11px;font-weight:800;letter-spacing:1px;cursor:pointer;transition:.25s}.primary-button{color:#fff;background:linear-gradient(90deg,#0571e8,#00b7ee);box-shadow:0 10px 30px rgba(0,130,255,.22)}.secondary-button{color:#9fc5ee;background:rgba(4,39,82,.55)}.primary-button:hover,.secondary-button:hover{transform:translateY(-2px)}.full{width:100%}
.solar-scene{height:550px;position:relative;overflow:hidden}.sun{position:absolute;width:94px;height:94px;left:50%;top:31%;transform:translate(-50%,-50%);border-radius:50%;background:radial-gradient(circle,#fff 0%,#fff 30%,#c5f2ff 54%,#3ed1ff 70%,transparent 76%);box-shadow:0 0 25px #fff,0 0 60px #3dd3ff,0 0 120px rgba(0,160,255,.8),0 0 190px rgba(0,90,255,.42);animation:sunPulse 4s ease-in-out infinite;z-index:3}.sun-rays{position:absolute;width:320px;height:320px;left:50%;top:31%;transform:translate(-50%,-50%);border-radius:50%;background:radial-gradient(circle,rgba(20,200,255,.2),rgba(0,110,255,.06) 40%,transparent 68%);animation:halo 4s ease-in-out infinite}.orbit{position:absolute;left:50%;top:31%;border:1px solid rgba(46,191,255,.12);border-radius:50%;transform:translate(-50%,-50%) rotate(-20deg)}.orbit-1{width:360px;height:160px}.orbit-2{width:500px;height:220px;transform:translate(-50%,-50%) rotate(20deg)}.solar-panel{position:absolute;width:230px;height:115px;bottom:55px;background:linear-gradient(135deg,rgba(18,93,171,.9),rgba(3,29,71,.95));border:1px solid rgba(72,196,255,.4);box-shadow:0 0 30px rgba(0,112,255,.12);transform:skewY(-8deg) perspective(500px) rotateX(45deg)}.solar-panel:after{content:"";position:absolute;inset:0;background-image:linear-gradient(90deg,rgba(103,203,255,.22) 1px,transparent 1px),linear-gradient(rgba(103,203,255,.22) 1px,transparent 1px);background-size:38px 38px}.panel-1{left:5%}.panel-2{right:5%;transform:skewY(8deg) perspective(500px) rotateX(45deg)}.horizon{position:absolute;left:-10%;right:-10%;bottom:-110px;height:230px;border-radius:50% 50% 0 0;background:linear-gradient(to bottom,rgba(2,18,43,.05),#020817 62%);border-top:1px solid rgba(54,167,255,.12)}
.login-section{width:min(480px,92%);margin:0 auto 100px}.login-card{padding:32px;border:1px solid rgba(45,145,235,.25);border-radius:18px;background:linear-gradient(145deg,rgba(7,49,100,.55),rgba(1,18,47,.78));box-shadow:0 25px 80px rgba(0,80,180,.12),inset 0 0 50px rgba(0,140,255,.04)}.login-card-header{display:flex;align-items:center;gap:9px;color:#5484ba;font-size:9px;letter-spacing:2px;margin-bottom:25px}.status-dot{width:7px;height:7px;border-radius:50%;background:#00d5ff;box-shadow:0 0 10px #00caff}.login-card h2{font-size:22px;letter-spacing:1px;margin-bottom:9px}.login-card>p{color:#6e8fb9;font-size:13px;line-height:1.6;margin-bottom:24px}.login-card label{display:block;margin-bottom:16px}.login-card label span{display:block;color:#7194c2;font-size:9px;letter-spacing:1.5px;margin-bottom:7px}.login-card input{width:100%;height:48px;border:1px solid rgba(57,140,220,.25);border-radius:7px;outline:none;background:rgba(1,14,35,.7);color:#fff;padding:0 14px;font-size:14px;transition:.2s}.login-card input:focus{border-color:#00aaff;box-shadow:0 0 0 3px rgba(0,160,255,.08)}.login-message{min-height:22px;margin-top:15px;text-align:center;color:#ff6b83;font-size:12px;opacity:0;transition:.2s}.login-message.show{opacity:1}
.footer{padding:28px 20px;border-top:1px solid rgba(43,120,205,.15);text-align:center;color:#466486;font-size:10px;letter-spacing:.3px}
.modal{position:fixed;inset:0;z-index:1000;display:none;align-items:center;justify-content:center}.modal.visible{display:flex}.modal-overlay{position:absolute;inset:0;background:rgba(0,5,20,.78);backdrop-filter:blur(9px)}.modal-card{position:relative;width:min(440px,calc(100% - 36px));padding:40px 34px;text-align:center;border:1px solid rgba(0,185,255,.65);border-radius:20px;background:linear-gradient(145deg,rgba(8,61,130,.97),rgba(1,15,45,.98));box-shadow:0 0 80px rgba(0,120,255,.24);animation:modalAppear .28s ease}.modal-close{position:absolute;right:15px;top:10px;width:35px;height:35px;border:0;border-radius:50%;background:transparent;color:#6c9bd0;font-size:27px;cursor:pointer}.modal-lock{width:68px;height:68px;margin:0 auto 20px;display:grid;place-items:center;border:1px solid #00b9ff;border-radius:50%;background:radial-gradient(circle,rgba(0,180,255,.22),transparent);box-shadow:0 0 30px rgba(0,170,255,.25);font-size:26px}.modal-card h2{font-size:20px;letter-spacing:1px;margin-bottom:12px}.modal-card p{color:#7d9dcc;font-size:14px;line-height:1.6;margin-bottom:25px}
.about-page{width:min(1100px,92%);margin:auto;padding:70px 0 90px}.about-hero{position:relative;min-height:360px;display:grid;place-items:center;text-align:center;overflow:hidden;border:1px solid rgba(0,145,255,.25);border-radius:24px;background:linear-gradient(145deg,rgba(5,49,105,.6),rgba(1,15,40,.75));box-shadow:inset 0 0 80px rgba(0,120,255,.07);padding:40px}.about-hero-content{position:relative;z-index:2;max-width:760px}.about-hero h1{font-size:clamp(36px,5vw,58px);letter-spacing:2px;margin-bottom:18px}.about-hero p{color:#789ac9;font-size:15px;line-height:1.8}.about-sun{position:absolute;width:145px;height:145px;right:7%;top:35px;border-radius:50%;background:radial-gradient(circle,#fff,#c8f3ff 35%,#34caff 66%,transparent 74%);box-shadow:0 0 35px #fff,0 0 90px #35ceff,0 0 170px rgba(0,160,255,.6);animation:sunPulse 4s ease-in-out infinite}.content-section{display:grid;grid-template-columns:80px 1fr;gap:25px;padding:65px 0;border-bottom:1px solid rgba(47,132,218,.12)}.section-label{color:#0ba7ff;font-size:12px;letter-spacing:2px;padding-top:5px}.content-section h2{font-size:23px;letter-spacing:.5px;margin-bottom:17px}.content-section p{max-width:900px;color:#86a5cf;font-size:15px;line-height:1.9}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;padding:60px 0}.feature-card{padding:30px;border:1px solid rgba(44,133,220,.22);border-radius:16px;background:linear-gradient(145deg,rgba(7,49,100,.55),rgba(1,18,47,.65));transition:.3s}.feature-card:hover{transform:translateY(-5px);border-color:rgba(0,176,255,.5);box-shadow:0 15px 40px rgba(0,90,190,.12)}.feature-icon{display:block;color:#0ba7ff;font-size:29px;margin-bottom:17px}.feature-card h3{font-size:16px;margin-bottom:11px}.feature-card p{color:#7192bd;font-size:13px;line-height:1.7}
@keyframes sunPulse{0%,100%{transform:translate(-50%,-50%) scale(1);opacity:.86}50%{transform:translate(-50%,-50%) scale(1.08);opacity:1}}@keyframes halo{0%,100%{transform:translate(-50%,-50%) scale(.9);opacity:.45}50%{transform:translate(-50%,-50%) scale(1.1);opacity:.9}}@keyframes modalAppear{from{opacity:0;transform:translateY(15px) scale(.97)}to{opacity:1;transform:translateY(0) scale(1)}}
@media(max-width:950px){.header{padding:0 18px}.brand{min-width:auto}.nav{margin-left:auto}.nav a{padding:0 10px;font-size:0}.nav a span:first-child{font-size:19px}.language-switcher{margin-left:8px}.hero{grid-template-columns:1fr}.solar-scene{height:400px;margin-top:-20px}.login-section{margin-top:-30px}.feature-grid{grid-template-columns:1fr}.about-sun{right:-45px;opacity:.5}}
@media(max-width:560px){.header{height:74px}.brand strong{font-size:18px}.brand small{display:none}.brand-sun{width:38px;height:38px;font-size:21px}.nav a{padding:0 6px}.language-button{min-width:35px}.hero{width:90%;min-height:auto;padding-top:55px}.hero-copy{padding:20px 0}.hero h1{font-size:39px}.hero-actions{flex-direction:column}.solar-scene{height:330px}.solar-panel{width:150px;height:80px}.login-card{padding:25px 20px}.about-page{padding-top:40px}.about-hero{min-height:360px}.content-section{grid-template-columns:1fr;gap:10px}.section-label{padding:0}.about-sun{width:95px;height:95px;top:20px;right:-20px}}