:root{color-scheme:dark;--ink:#061421;--panel:rgba(10,32,45,.9);--teal:#4bd9c3;--lime:#d7f464;--orange:#ff9859;--paper:#f7fbfc;--muted:#b8cbd3;--line:rgba(255,255,255,.15);--shadow:0 30px 85px rgba(0,0,0,.36)}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:radial-gradient(circle at 75% 0,rgba(45,120,125,.33),transparent 31%),linear-gradient(155deg,#050e18,#0a2636 58%,#123a42);color:var(--paper);font:16px/1.65 Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;-webkit-font-smoothing:antialiased}img{display:block;max-width:100%;height:auto}a{color:var(--lime)}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid var(--lime);outline-offset:4px}.skip-link{position:fixed;z-index:1000;top:10px;left:10px;transform:translateY(-160%);padding:.7rem 1rem;border-radius:10px;background:#fff;color:#071626}.skip-link:focus{transform:none}.site-header{position:sticky;z-index:50;top:0;display:flex;align-items:center;justify-content:space-between;gap:28px;padding:18px clamp(20px,4.5vw,68px);border-bottom:1px solid var(--line);background:rgba(5,17,27,.86);backdrop-filter:blur(18px)}.brand{color:#fff;text-decoration:none;font-weight:900;letter-spacing:.045em;line-height:1.15}.brand span{display:block;margin-top:5px;color:var(--teal);font-size:.66rem;letter-spacing:.17em}.site-header nav,.site-footer nav{display:flex;flex-wrap:wrap;gap:clamp(12px,2vw,24px)}.site-header nav a,.site-footer nav a{color:#fff;font-size:.88rem;font-weight:760;text-decoration:none}.site-header nav a[aria-current=page]{color:var(--lime)}main{width:min(1120px,calc(100% - 34px));margin:clamp(28px,6vw,72px) auto}.content-card{padding:clamp(25px,5.5vw,64px);border:1px solid var(--line);border-radius:28px;background:var(--panel);box-shadow:var(--shadow)}.eyebrow{margin:0;color:var(--teal);font-size:.76rem;font-weight:900;letter-spacing:.17em;text-transform:uppercase}h1,h2,h3{line-height:1.06;letter-spacing:-.035em}h1{margin:.2em 0;font-size:clamp(2.5rem,7vw,5.7rem)}h2{margin:1.8em 0 .45em;color:var(--lime);font-size:clamp(1.65rem,3.2vw,2.5rem)}h3{font-size:1.25rem}p,li{color:var(--muted)}.lead{max-width:790px;color:#fff;font-size:clamp(1.05rem,2.4vw,1.3rem)}.notice{margin:28px 0;padding:18px 20px;border-left:4px solid var(--teal);border-radius:0 14px 14px 0;background:rgba(75,217,195,.09)}.newton-hero{position:relative;display:grid;min-height:min(780px,82vh);align-items:end;overflow:hidden;border:1px solid var(--line);border-radius:34px;background:#071523;box-shadow:var(--shadow)}.newton-hero>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center 28%}.newton-hero::after{position:absolute;inset:0;background:linear-gradient(90deg,rgba(4,13,23,.92) 0,rgba(4,13,23,.58) 48%,rgba(4,13,23,.08)),linear-gradient(0deg,rgba(4,13,23,.9),transparent 60%);content:""}.newton-hero-copy{position:relative;z-index:1;max-width:720px;padding:clamp(30px,7vw,82px)}.tagline{color:var(--lime);font-size:clamp(1rem,2.4vw,1.35rem);font-weight:900;letter-spacing:.17em;text-transform:uppercase}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}.button{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:.8rem 1.15rem;border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.08);color:#fff;font-weight:850;text-decoration:none}.button-primary{border-color:var(--lime);background:var(--lime);color:#071626}.button-status{cursor:default}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:clamp(55px,9vw,100px) 0}.feature-card{padding:28px;border:1px solid var(--line);border-radius:22px;background:rgba(10,35,49,.86)}.feature-card h2{margin:.3rem 0 .7rem;font-size:1.5rem}.feature-card p{margin-bottom:0}.feature-number{color:var(--orange);font-size:.72rem;font-weight:900;letter-spacing:.15em}.screenshot-section{margin:clamp(65px,10vw,120px) 0}.section-heading{max-width:760px}.phone-gallery{display:grid;grid-template-columns:repeat(4,1fr);align-items:start;gap:18px;margin-top:34px}.phone-shot{margin:0}.phone-shot img{width:100%;border:1px solid var(--line);border-radius:clamp(15px,2vw,28px);box-shadow:0 22px 55px rgba(0,0,0,.34)}.phone-shot:nth-child(even){margin-top:48px}.phone-shot figcaption{margin-top:10px;color:var(--muted);font-size:.82rem}.professor-section{display:grid;grid-template-columns:minmax(250px,.8fr) 1.2fr;align-items:center;gap:clamp(28px,6vw,70px);margin-bottom:clamp(60px,9vw,110px);padding:clamp(24px,5vw,54px);border:1px solid rgba(255,152,89,.28);border-radius:28px;background:linear-gradient(125deg,rgba(70,37,37,.55),rgba(8,31,43,.92))}.professor-section img{width:100%;max-height:560px;border-radius:22px;object-fit:cover;object-position:center 28%}.professor-section h2{margin:.2rem 0}.guide-nav{display:flex;flex-wrap:wrap;gap:.65rem;margin:1.5rem 0 2rem}.guide-nav a{padding:.55rem .8rem;border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.05);text-decoration:none}.guide-shot{margin:1.5rem auto 2.5rem;max-width:430px}.guide-shot img{width:100%;border:1px solid var(--line);border-radius:24px;box-shadow:0 20px 55px rgba(0,0,0,.32)}.guide-shot figcaption{margin-top:.75rem;color:var(--muted);font-size:.92rem}.guide-steps{padding-left:1.3rem}.guide-steps li+li{margin-top:.55rem}.guide-card{margin:1.4rem 0;padding:1rem 1.15rem;border:1px solid var(--line);border-radius:16px;background:rgba(255,255,255,.045)}.faq-index{display:flex;flex-wrap:wrap;gap:10px;margin:26px 0}.faq-index a{padding:.55rem .8rem;border:1px solid var(--line);border-radius:999px;text-decoration:none}.faq-group{margin-top:48px}.faq-group h2{margin-bottom:16px}.faq-item{border-top:1px solid var(--line)}.faq-item:last-child{border-bottom:1px solid var(--line)}.faq-item summary{padding:18px 4px;color:#fff;font-weight:800;cursor:pointer;list-style:none}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary::after{float:right;color:var(--teal);content:"+"}.faq-item[open] summary::after{content:"−"}.faq-answer{padding:0 4px 18px}.faq-answer p{margin:0}.support-cta{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-top:44px;padding:24px;border:1px solid rgba(75,217,195,.3);border-radius:20px;background:rgba(75,217,195,.08)}.support-cta h2{margin:0 0 .35rem}.support-cta p{margin:0}.support-form{display:grid;gap:18px;margin-top:30px}.field-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.form-field{display:grid;gap:7px}.form-field label{color:#fff;font-weight:750}.form-field input,.form-field select,.form-field textarea{width:100%;padding:.82rem .9rem;border:1px solid rgba(255,255,255,.24);border-radius:12px;background:#071a27;color:#fff;font:inherit}.form-field textarea{resize:vertical}.field-note{font-size:.85rem}.honeypot{position:absolute;left:-10000px;width:1px;height:1px;overflow:hidden}.checkbox-label{display:flex;align-items:flex-start;gap:10px}.form-status{padding:14px;border-radius:12px;background:rgba(75,217,195,.12)}.form-status.is-error{background:rgba(255,126,103,.14);color:#ffd8d0}.site-footer{display:grid;grid-template-columns:1fr auto;align-items:center;gap:18px;padding:28px clamp(20px,5vw,72px);border-top:1px solid var(--line);color:var(--muted)}.site-footer strong,.site-footer span{display:block}.site-footer p{grid-column:1/-1;margin:0;font-size:.85rem}.site-footer span{color:var(--teal);font-size:.78rem}.site-footer a{color:#fff}.legal-content h2{font-size:1.4rem}.legal-content{max-width:900px;margin-inline:auto}@media(max-width:900px){.feature-grid{grid-template-columns:repeat(2,1fr)}.phone-gallery{grid-template-columns:repeat(2,1fr)}.professor-section{grid-template-columns:1fr}.professor-section img{max-height:480px}.site-header{align-items:flex-start;flex-direction:column}.site-footer{grid-template-columns:1fr}.site-footer p{grid-column:auto}}@media(max-width:620px){.site-header{position:relative}.site-header nav{gap:11px}.site-header nav a{font-size:.82rem}.newton-hero{min-height:720px}.newton-hero::after{background:linear-gradient(0deg,rgba(4,13,23,.96) 0,rgba(4,13,23,.4) 70%,rgba(4,13,23,.12))}.newton-hero-copy{padding:28px}.feature-grid,.field-grid{grid-template-columns:1fr}.phone-gallery{grid-template-columns:1fr 1fr;gap:12px}.phone-shot:nth-child(even){margin-top:28px}.support-cta{align-items:flex-start;flex-direction:column}.content-card{border-radius:20px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* Professor Newton games portal */
.portal-hero{min-height:min(720px,78vh)}
.portal-intro{max-width:760px;margin:clamp(70px,10vw,120px) 0 34px}
.portal-intro h2,.world-note h2{margin:.25em 0 .5em}
.portal-intro>p:last-child,.world-note>p{font-size:1.08rem}
.game-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.game-card{display:flex;min-width:0;overflow:hidden;flex-direction:column;border:1px solid var(--line);border-radius:26px;background:rgba(8,29,42,.92);box-shadow:0 22px 60px rgba(0,0,0,.25)}
.game-card-media{aspect-ratio:4/3;overflow:hidden;background:linear-gradient(145deg,#103647,#071722)}
.game-card-media img{width:100%;height:100%;object-fit:cover;object-position:center 25%}
.game-card-copy{display:flex;flex:1;align-items:flex-start;flex-direction:column;padding:26px}
.game-card-copy h3{margin:.3rem 0;font-size:clamp(1.55rem,2.4vw,2rem)}
.game-card-copy p{margin:.55rem 0}
.game-card-copy .button{margin-top:auto}
.game-status{display:inline-flex;margin:0 0 .7rem!important;padding:.35rem .65rem;border:1px solid rgba(75,217,195,.3);border-radius:999px;background:rgba(75,217,195,.09);color:var(--teal)!important;font-size:.72rem!important;font-weight:900;letter-spacing:.08em;text-transform:uppercase}
.card-tagline{color:#fff!important;font-weight:800}
.artwork-placeholder,.wide-placeholder{display:grid;width:100%;height:100%;place-items:center;background:radial-gradient(circle at 70% 25%,rgba(75,217,195,.18),transparent 22%),linear-gradient(135deg,rgba(255,152,89,.15),rgba(8,31,43,.96));color:rgba(255,255,255,.72);font-weight:850;letter-spacing:.08em;text-align:center;text-transform:uppercase}
.artwork-placeholder::before{position:absolute;width:90px;height:90px;border:1px solid rgba(255,255,255,.18);border-radius:50%;content:"?";color:rgba(215,244,100,.35);font:700 4rem/90px Georgia,serif}
.artwork-placeholder{position:relative}.artwork-placeholder span{position:relative;z-index:1;margin-top:135px;font-size:.76rem}
.world-note{margin:clamp(70px,10vw,120px) 0;padding:clamp(28px,5vw,58px);border:1px solid rgba(255,152,89,.28);border-radius:28px;background:linear-gradient(125deg,rgba(70,37,37,.35),rgba(8,31,43,.92))}
.metadata-note{padding-left:16px;border-left:3px solid var(--orange);color:#d8e3e7!important;font-size:.92rem!important}
.game-page{width:min(1180px,calc(100% - 34px))}
.game-detail-hero{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(290px,.65fr);align-items:stretch;overflow:hidden;border:1px solid var(--line);border-radius:34px;background:linear-gradient(135deg,rgba(11,42,54,.97),rgba(5,17,27,.97));box-shadow:var(--shadow)}
.game-detail-copy{padding:clamp(30px,6vw,72px)}
.game-detail-copy h1{font-size:clamp(2.65rem,6vw,5rem)}
.game-detail-media{min-height:610px;background:#071523}
.game-detail-media img{width:100%;height:100%;object-fit:cover;object-position:center 25%}
.artwork-placeholder--large{min-height:610px}
.back-link{display:inline-flex;margin-bottom:28px;color:#fff;font-size:.9rem;font-weight:800;text-decoration:none}
.game-section-nav{display:flex;flex-wrap:wrap;gap:10px;margin:28px 0 50px}
.game-section-nav a{padding:.65rem .9rem;border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.05);text-decoration:none}
.game-info-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin:20px 0}
.info-panel{padding:clamp(25px,4vw,42px);scroll-margin-top:105px;border:1px solid var(--line);border-radius:24px;background:rgba(10,35,49,.86)}
.info-panel h2{margin:.3rem 0 .7rem;font-size:clamp(1.55rem,2.7vw,2.2rem)}
.text-link{font-weight:850;text-decoration:none}
.phone-gallery--three{grid-template-columns:repeat(3,1fr);max-width:880px}
.policy-links{display:grid;gap:10px}.policy-links a{padding:12px 14px;border:1px solid var(--line);border-radius:12px;background:rgba(255,255,255,.04);font-weight:800;text-decoration:none}
.wide-placeholder{min-height:300px;margin-top:28px;border:1px dashed rgba(255,255,255,.28);border-radius:24px}
.wide-placeholder span{font-size:.82rem}
@media(max-width:1100px){.site-header{align-items:flex-start;flex-direction:column}.site-header nav{width:100%}}
@media(max-width:900px){.game-grid{grid-template-columns:1fr}.game-card{display:grid;grid-template-columns:minmax(220px,.75fr) 1.25fr}.game-card-media{height:100%;min-height:300px;aspect-ratio:auto}.game-detail-hero{grid-template-columns:1fr}.game-detail-media{min-height:520px;max-height:660px}.game-info-grid{grid-template-columns:1fr}}
@media(max-width:620px){.game-card{display:flex}.game-card-media{min-height:0;aspect-ratio:4/3}.game-detail-media,.artwork-placeholder--large{min-height:480px}.phone-gallery--three{grid-template-columns:1fr 1fr}.game-section-nav{margin-bottom:32px}.game-section-nav a{font-size:.84rem}}