/* HELIOS — light, sky-bright, clean energy. Sora + Inter. */
:root{
  --bg:#F4F6F2;--panel:#FFFFFF;--ink:#152016;--soft:#556257;--faint:#8B9689;
  --accent:#1E9E5B;--accent-deep:#137A46;--accent-soft:#E4F3EA;--sun:#F2B537;
  --line:rgba(21,32,22,.10);--r:22px;--ease:cubic-bezier(.22,1,.36,1);
  --disp:"Sora",sans-serif;--sans:"Inter",sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}img{display:block;max-width:100%}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
::selection{background:var(--accent);color:#fff}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
h1,h2,h3{font-family:var(--disp);font-weight:700;line-height:1.06;letter-spacing:-.02em;text-wrap:balance}
.frame{background:var(--panel)}
body{background:var(--panel)}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;font-family:var(--disp);font-size:15px;font-weight:700;padding:14px 26px;border-radius:100px;transition:transform .3s var(--ease),background .3s,color .3s,box-shadow .3s}
.btn--dark{background:var(--ink);color:#fff}
.btn--dark:hover{background:var(--accent);transform:translateY(-2px);box-shadow:0 12px 30px rgba(30,158,91,.3)}
.btn--light{background:#fff;color:var(--ink)}.btn--light:hover{background:var(--accent);color:#fff;transform:translateY(-2px)}
.btn--ghost{background:rgba(255,255,255,.12);color:#fff;box-shadow:inset 0 0 0 1.5px rgba(255,255,255,.4)}
.btn--ghost:hover{background:rgba(255,255,255,.22)}
.btn--full{width:100%}

.nav{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:22px clamp(20px,4vw,48px)}
.nav__brand{display:flex;align-items:center;gap:10px;font-family:var(--disp);font-weight:800;font-size:20px}
.nav__mark{display:grid;place-items:center;width:32px;height:32px;background:var(--sun);color:var(--ink);border-radius:50%;font-size:16px}
.nav__links{display:flex;gap:clamp(14px,2.4vw,30px)}
.nav__links a{font-size:15px;font-weight:600;color:var(--soft);transition:color .25s}
.nav__links a:hover{color:var(--accent)}

.hero{position:relative;min-height:min(80vh,620px);display:flex;align-items:center;overflow:hidden}
.hero__bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero__shade{position:absolute;inset:0;background:linear-gradient(100deg,rgba(21,32,22,.62) 0%,rgba(21,32,22,.32) 45%,transparent 75%)}
.hero__content{position:relative;z-index:2;max-width:640px;padding:clamp(40px,6vw,72px) clamp(20px,4vw,52px)}
.eyebrow{display:inline-flex;font-size:13.5px;font-weight:700;color:#EFF6EF;margin-bottom:16px}
.hero h1{font-size:clamp(2.6rem,5.6vw,4.6rem);color:#fff}.hero h1 em{font-style:normal;color:var(--sun)}
.hero__sub{color:#DCE8DD;font-size:16px;max-width:46ch;margin:18px 0 28px}
.hero__actions{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:28px}
.hero__badge{display:inline-flex;align-items:center;gap:14px;background:rgba(255,255,255,.94);border-radius:16px;padding:14px 18px}
.hero__badge b{font-family:var(--disp);font-size:22px;font-weight:800;color:var(--accent-deep)}
.hero__badge span{font-size:12.5px;color:var(--soft);line-height:1.4}

.strip{display:grid;grid-template-columns:repeat(4,1fr);border-bottom:1px solid var(--line)}
.strip div{padding:clamp(22px,3vw,36px) clamp(14px,2vw,28px);border-left:1px solid var(--line);display:flex;flex-direction:column;gap:4px}
.strip div:first-child{border-left:0}
.strip b{font-family:var(--disp);font-size:clamp(1.7rem,3vw,2.6rem);font-weight:800;color:var(--accent);font-variant-numeric:tabular-nums}
.strip span{font-size:12.5px;color:var(--soft)}

.sect{margin-bottom:clamp(28px,4vw,48px)}
.sect h2{font-size:clamp(2rem,4vw,3.1rem)}
.sect p{color:var(--soft);font-size:16px;max-width:52ch;margin-top:12px}

.live{padding:clamp(40px,6vw,80px) clamp(20px,4vw,48px);background:var(--bg)}
.live__card{background:var(--ink);border-radius:28px;padding:clamp(28px,4vw,52px);display:grid;grid-template-columns:.95fr 1.05fr;gap:clamp(28px,5vw,64px);align-items:center;color:#EAF3EC}
.live__copy h2{font-size:clamp(2rem,3.8vw,3rem);color:#fff}.live__copy h2 em{font-style:normal;color:var(--sun)}
.live__copy>p{color:#B7C7BA;font-size:15.5px;margin:16px 0 26px;max-width:46ch}
.telem{background:#1D2A1E;border-radius:20px;overflow:hidden}
.telem__head{display:flex;justify-content:space-between;padding:14px 18px;border-bottom:1px solid rgba(234,243,236,.12);font-family:var(--disp);font-size:11px;letter-spacing:.12em;color:#8FA391}
.telem__tick{display:inline-flex;align-items:center;gap:6px;color:var(--accent)}
.telem__tick i{width:7px;height:7px;border-radius:50%;background:var(--accent)}
@media(prefers-reduced-motion:no-preference){.telem__tick i{animation:blink 1.8s ease-in-out infinite}@keyframes blink{50%{opacity:.3}}}
.telem__now{padding:20px 18px 14px;display:flex;flex-wrap:wrap;align-items:baseline;gap:10px}
.telem__now b{font-family:var(--disp);font-weight:800;font-size:clamp(2.6rem,4.4vw,3.6rem);color:var(--accent);line-height:1;font-variant-numeric:tabular-nums}
.telem__now span{font-size:14px;color:#8FA391}
.telem__bar{flex-basis:100%;height:6px;border-radius:3px;background:rgba(234,243,236,.12);overflow:hidden;margin-top:10px}
.telem__bar i{display:block;height:100%;width:70%;background:linear-gradient(90deg,var(--accent),var(--sun));transition:width 1.6s var(--ease)}
.telem__rows{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid rgba(234,243,236,.12)}
.telem__rows div{padding:13px 18px;border-top:1px solid rgba(234,243,236,.12);display:flex;flex-direction:column;gap:2px}
.telem__rows div:nth-child(-n+2){border-top:0}.telem__rows div:nth-child(even){border-left:1px solid rgba(234,243,236,.12)}
.telem__rows span{font-size:11.5px;color:#8FA391;text-transform:uppercase;letter-spacing:.06em}
.telem__rows b{font-family:var(--disp);font-size:16px;color:#fff;font-variant-numeric:tabular-nums}

.calc{padding:clamp(40px,6vw,80px) clamp(20px,4vw,48px)}
.calc__grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(28px,5vw,64px);align-items:start}
.calc__controls{display:flex;flex-direction:column;gap:clamp(24px,3vw,34px)}
.param__head{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:14px;gap:14px}
.param__head label{font-family:var(--disp);font-size:12px;font-weight:700;color:var(--soft)}
.param__head output{font-family:var(--disp);font-size:19px;font-weight:800;color:var(--accent-deep)}
input[type=range]{width:100%;appearance:none;-webkit-appearance:none;height:4px;border-radius:2px;background:linear-gradient(to right,var(--accent) var(--fill,50%),var(--line) var(--fill,50%))}
input[type=range]::-webkit-slider-thumb{appearance:none;-webkit-appearance:none;width:20px;height:20px;border-radius:50%;background:#fff;border:4px solid var(--accent);cursor:grab;box-shadow:0 2px 8px rgba(21,32,22,.2)}
input[type=range]::-moz-range-thumb{width:18px;height:18px;border-radius:50%;background:#fff;border:4px solid var(--accent);cursor:grab}
.scale{display:flex;justify-content:space-between;margin-top:10px;font-size:11.5px;color:var(--faint)}
.calc__note{font-size:13px;color:var(--faint);max-width:56ch;line-height:1.6}
.calc__out{display:flex;flex-direction:column;gap:14px;position:sticky;top:24px}
.readout{background:var(--bg);border-radius:var(--r);padding:clamp(20px,2.6vw,28px);text-align:center;display:flex;flex-direction:column;gap:6px}
.readout__label{font-family:var(--disp);font-size:10.5px;font-weight:700;letter-spacing:.18em;color:var(--faint)}
.readout b{font-family:var(--disp);font-weight:800;font-size:clamp(2.2rem,4vw,3.2rem);color:var(--accent);line-height:1}
.readout--small b{font-size:clamp(1.5rem,2.4vw,2rem);color:var(--accent-deep)}
.readout__row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.readout__sub{font-size:12.5px;color:var(--soft)}
.form__msg{font-size:13.5px;text-align:center;color:var(--soft);min-height:1.3em}.form__msg.ok{color:var(--accent-deep);font-weight:700}

.how{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(28px,5vw,72px);align-items:center;padding:clamp(40px,6vw,80px) clamp(20px,4vw,48px);background:var(--bg)}
.how__img{border-radius:var(--r);overflow:hidden;box-shadow:0 24px 60px rgba(21,32,22,.14)}
.how__img img{width:100%;height:min(56vh,460px);object-fit:cover}
.how__copy h2{font-size:clamp(2rem,4vw,3.1rem)}.how__copy h2 em{font-style:normal;color:var(--accent)}
.steps{list-style:none;display:flex;flex-direction:column;margin-top:clamp(22px,3vw,32px)}
.steps li{display:flex;gap:16px;align-items:flex-start;padding:16px 0;border-top:1px solid var(--line)}
.steps li:last-child{border-bottom:1px solid var(--line)}
.steps__no{flex:none;font-family:var(--disp);font-weight:800;font-size:14px;color:var(--accent);min-width:48px;padding-top:2px}
.steps h3{font-size:16.5px;margin-bottom:4px}.steps p{color:var(--soft);font-size:14px;max-width:48ch}

.footer{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;padding:24px clamp(20px,4vw,48px);border-top:1px solid var(--line);font-size:13.5px;color:var(--soft)}
.footer b{color:var(--accent);font-weight:800}

.reveal{opacity:0;transform:translateY(24px);transition:opacity .8s var(--ease),transform .8s var(--ease)}.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

@media(max-width:900px){.live__card,.calc__grid,.how{grid-template-columns:1fr}.nav__links{display:none}.calc__out{position:static}}
@media(max-width:560px){.strip{grid-template-columns:1fr 1fr}.strip div:nth-child(3){border-left:0}.strip div:nth-child(n+3){border-top:1px solid var(--line)}}