@font-face{font-family:"Hanken Grotesk";src:url("../fonts/hanken-grotesk-latin-400-normal.woff2") format("woff2");font-style:normal;font-weight:400;font-display:swap}
@font-face{font-family:"Hanken Grotesk";src:url("../fonts/hanken-grotesk-latin-500-normal.woff2") format("woff2");font-style:normal;font-weight:500;font-display:swap}
@font-face{font-family:"Hanken Grotesk";src:url("../fonts/hanken-grotesk-latin-600-normal.woff2") format("woff2");font-style:normal;font-weight:600;font-display:swap}
@font-face{font-family:"Hanken Grotesk";src:url("../fonts/hanken-grotesk-latin-700-normal.woff2") format("woff2");font-style:normal;font-weight:700;font-display:swap}
@font-face{font-family:"Space Grotesk";src:url("../fonts/space-grotesk-latin-500-normal.woff2") format("woff2");font-style:normal;font-weight:500;font-display:swap}
@font-face{font-family:"Space Grotesk";src:url("../fonts/space-grotesk-latin-600-normal.woff2") format("woff2");font-style:normal;font-weight:600;font-display:swap}
@font-face{font-family:"Space Grotesk";src:url("../fonts/space-grotesk-latin-700-normal.woff2") format("woff2");font-style:normal;font-weight:700;font-display:swap}

:root{
  color-scheme:dark;
  --brand:#ff6a2c;
  --brand-2:#df431d;
  --brand-soft:#34180d;
  --terrain:#f5b33a;
  --ok:#59c987;
  --danger:#f0746b;
  --bg:#130e0b;
  --surface:#211712;
  --surface-2:#2b1e17;
  --surface-3:#36261c;
  --ink:#fff8f1;
  --ink-2:#dbc6b7;
  --muted:#a98e7c;
  --line:#3e2d22;
  --line-2:#5b3f2d;
  --header:rgba(19,14,11,.82);
  --shadow:0 24px 70px rgba(0,0,0,.42);
  --shadow-sm:0 12px 35px rgba(0,0,0,.24);
  --radius:22px;
  --max:1180px;
}

:root[data-theme="light"]{
  color-scheme:light;
  --brand:#d8501f;
  --brand-2:#b83c12;
  --brand-soft:#fbe6da;
  --terrain:#b9780d;
  --ok:#338a5d;
  --danger:#c7463e;
  --bg:#f8efe7;
  --surface:#fffaf5;
  --surface-2:#f5e7da;
  --surface-3:#ead8c7;
  --ink:#271810;
  --ink-2:#60493a;
  --muted:#806958;
  --line:#ead8c8;
  --line-2:#d7bdab;
  --header:rgba(248,239,231,.88);
  --shadow:0 24px 70px rgba(77,40,17,.15);
  --shadow-sm:0 12px 35px rgba(77,40,17,.10);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:94px}
body{margin:0;background:var(--bg);color:var(--ink);font-family:"Hanken Grotesk",system-ui,-apple-system,"Segoe UI",sans-serif;font-size:16px;line-height:1.62;-webkit-font-smoothing:antialiased}
body::selection{background:var(--brand);color:#fff}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,input,textarea{font:inherit}
button{color:inherit}
h1,h2,h3,h4{font-family:"Space Grotesk","Hanken Grotesk",sans-serif;line-height:1.08;letter-spacing:-.035em;margin:0}
p{margin:0}
ul{padding-left:1.2rem}
:focus-visible{outline:3px solid color-mix(in srgb,var(--brand) 70%,white);outline-offset:3px;border-radius:8px}

.skip-link{position:fixed;left:16px;top:-80px;z-index:200;background:var(--brand);color:#fff;padding:11px 16px;border-radius:10px;font-weight:700;transition:top .2s}
.skip-link:focus{top:16px}
.container{width:min(calc(100% - 36px),var(--max));margin-inline:auto}
.narrow{width:min(calc(100% - 36px),820px);margin-inline:auto}
.section{padding:94px 0}
.section-sm{padding:64px 0}
.section-alt{background:var(--surface);border-block:1px solid var(--line)}
.eyebrow{display:inline-flex;align-items:center;gap:9px;color:var(--brand);font-family:"Space Grotesk",sans-serif;font-size:.77rem;font-weight:700;text-transform:uppercase;letter-spacing:.15em;margin-bottom:15px}
.eyebrow::before{content:"";width:26px;height:2px;background:currentColor;border-radius:9px}
.section-title{font-size:clamp(2rem,4vw,3.35rem);max-width:780px}
.section-lead{color:var(--muted);font-size:1.1rem;max-width:700px;margin-top:18px}
.muted{color:var(--muted)}
.accent{color:var(--brand)}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

.site-header{position:sticky;top:0;z-index:100;background:var(--header);border-bottom:1px solid color-mix(in srgb,var(--line) 75%,transparent);backdrop-filter:blur(18px) saturate(1.35);-webkit-backdrop-filter:blur(18px) saturate(1.35)}
.nav-shell{height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.logo{display:inline-flex;align-items:center;gap:11px;flex:none}
.logo img{width:42px;height:42px;border-radius:12px;box-shadow:0 8px 20px rgba(255,106,44,.18)}
.logo-copy{display:grid;line-height:1}
.logo-copy strong{font:700 1.18rem/1 "Space Grotesk",sans-serif;letter-spacing:-.035em}
.logo-copy small{color:var(--muted);font-size:.64rem;letter-spacing:.13em;text-transform:uppercase;margin-top:5px}
.main-nav{display:flex;align-items:center;gap:28px;margin-left:auto}
.main-nav a{color:var(--ink-2);font-weight:600;font-size:.94rem;transition:color .15s}
.main-nav a:hover,.main-nav a[aria-current="page"]{color:var(--brand)}
.nav-actions{display:flex;align-items:center;gap:9px}
.icon-button{width:42px;height:42px;border:1px solid var(--line);border-radius:12px;background:var(--surface);display:grid;place-items:center;cursor:pointer;transition:.15s}
.icon-button:hover{border-color:var(--brand);color:var(--brand)}
.icon-button svg{width:19px;height:19px}
.theme-sun{display:none}
:root[data-theme="light"] .theme-sun{display:block}
:root[data-theme="light"] .theme-moon{display:none}
.menu-button{display:none}

.button{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;padding:12px 19px;border:1px solid transparent;border-radius:14px;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;font-family:"Space Grotesk",sans-serif;font-weight:700;box-shadow:0 12px 28px rgba(216,80,31,.25);cursor:pointer;transition:transform .15s,filter .15s,border-color .15s}
.button:hover{transform:translateY(-2px);filter:brightness(1.07)}
.button:active{transform:translateY(0)}
.button-secondary{background:var(--surface);color:var(--ink);border-color:var(--line);box-shadow:none}
.button-secondary:hover{border-color:var(--brand);color:var(--brand);filter:none}
.button-small{min-height:42px;padding:9px 15px;border-radius:12px;font-size:.9rem}
.button-disabled{background:var(--surface-3);color:var(--muted);box-shadow:none;cursor:not-allowed;border-color:var(--line)}
.button-disabled:hover{transform:none;filter:none}
.button svg{width:19px;height:19px}

.hero{position:relative;isolation:isolate;overflow:hidden;padding:82px 0 98px}
.hero::before{content:"";position:absolute;inset:-30% -10%;z-index:-3;background:radial-gradient(circle at 74% 32%,rgba(255,106,44,.24),transparent 26%),radial-gradient(circle at 16% 80%,rgba(245,179,58,.10),transparent 23%)}
.hero::after{content:"";position:absolute;inset:0;z-index:-2;opacity:.22;background:repeating-radial-gradient(circle at 82% 35%,transparent 0 31px,color-mix(in srgb,var(--brand) 55%,transparent) 32px 33px,transparent 34px 61px)}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.04fr) minmax(360px,.76fr);align-items:center;gap:72px}
.hero-badge{display:inline-flex;align-items:center;gap:9px;border:1px solid var(--line-2);background:color-mix(in srgb,var(--surface) 85%,transparent);padding:8px 12px;border-radius:999px;color:var(--ink-2);font-size:.83rem;font-weight:600;margin-bottom:21px}
.hero-badge i{width:8px;height:8px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 5px color-mix(in srgb,var(--ok) 17%,transparent)}
.hero h1{font-size:clamp(3rem,7vw,6.4rem);max-width:760px}
.hero h1 span{display:block;color:var(--brand)}
.hero-copy>p{font-size:clamp(1.05rem,2vw,1.22rem);color:var(--ink-2);max-width:650px;margin:24px 0 31px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.hero-note{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:.85rem;margin-top:18px}
.hero-note svg{width:17px;height:17px;color:var(--ok);flex:none}

.phone-wrap{position:relative;display:grid;place-items:center;min-height:610px}
.orbit{position:absolute;border:1px solid color-mix(in srgb,var(--brand) 36%,transparent);border-radius:50%;inset:4% 0;animation:spin 32s linear infinite}
.orbit::before,.orbit::after{content:"";position:absolute;width:14px;height:14px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 8px color-mix(in srgb,var(--brand) 14%,transparent)}
.orbit::before{left:13%;top:18%}.orbit::after{right:8%;bottom:23%;background:var(--terrain)}
@keyframes spin{to{transform:rotate(360deg)}}
.phone{width:330px;padding:11px;border:1px solid #68442f;border-radius:42px;background:#080605;box-shadow:var(--shadow),0 0 0 7px rgba(255,255,255,.025);transform:rotate(2.2deg);position:relative;z-index:2}
.phone-screen{min-height:574px;border-radius:32px;background:#16100c;overflow:hidden;padding:18px;color:#fff8f1}
.phone-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}
.phone-brand{display:flex;align-items:center;gap:10px;font:700 .94rem/1 "Space Grotesk",sans-serif}
.phone-brand img{width:34px;height:34px;border-radius:10px}
.phone-chip{font-size:.68rem;background:#2f2118;border:1px solid #473226;padding:6px 9px;border-radius:99px;color:#d6bfae}
.phone-hero{padding:18px;border-radius:20px;background:linear-gradient(140deg,#f06a31,#b93d16);position:relative;overflow:hidden}
.phone-hero::after{content:"";position:absolute;inset:0;opacity:.25;background:repeating-radial-gradient(circle at 95% 0,transparent 0 13px,rgba(255,255,255,.35) 14px 15px,transparent 16px 27px)}
.phone-hero>*{position:relative;z-index:1}
.phone-kicker{font-size:.63rem;text-transform:uppercase;letter-spacing:.15em;opacity:.78}
.phone-hero h2{font-size:1.34rem;margin:7px 0 4px;letter-spacing:-.025em}
.phone-hero p{font-size:.75rem;color:rgba(255,255,255,.78)}
.phone-progress{height:6px;border-radius:99px;background:rgba(255,255,255,.22);margin-top:17px;overflow:hidden}.phone-progress i{display:block;width:68%;height:100%;background:#fff;border-radius:inherit}
.phone-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:11px 0 18px}
.phone-stat{background:#221812;border:1px solid #3b2b20;border-radius:14px;padding:11px 5px;text-align:center}
.phone-stat b{font:700 1.1rem/1 "Space Grotesk",sans-serif;display:block}.phone-stat small{font-size:.57rem;color:#9f8674}
.phone-label{font:600 .82rem/1 "Space Grotesk",sans-serif;margin-bottom:10px}
.phone-lesson{display:flex;align-items:center;gap:11px;border:1px solid #3b2b20;background:#221812;border-radius:15px;padding:12px;margin-top:8px}
.phone-lesson-icon{width:39px;height:39px;display:grid;place-items:center;border-radius:12px;background:#32180d;color:#ff7c43;font-size:1.2rem}
.phone-lesson div{min-width:0;flex:1}.phone-lesson b{display:block;font-size:.75rem}.phone-lesson small{display:block;color:#9f8674;font-size:.63rem;margin-top:2px}
.float-card{position:absolute;z-index:4;background:var(--surface);border:1px solid var(--line-2);box-shadow:var(--shadow-sm);border-radius:17px;padding:13px 15px;display:flex;align-items:center;gap:11px;animation:float 4.5s ease-in-out infinite}
.float-card.one{left:-7%;top:24%}.float-card.two{right:-6%;bottom:18%;animation-delay:-2s}
.float-card .float-icon{width:38px;height:38px;border-radius:11px;display:grid;place-items:center;background:var(--brand-soft);color:var(--brand);font-weight:800}
.float-card b{display:block;font:700 .82rem/1.2 "Space Grotesk",sans-serif}.float-card small{font-size:.67rem;color:var(--muted)}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-9px)}}

.trust-strip{border-block:1px solid var(--line);background:var(--surface)}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px}
.trust-item{padding:24px 20px;text-align:center;border-right:1px solid var(--line)}
.trust-item:last-child{border-right:0}.trust-item b{display:block;font:700 1.4rem/1 "Space Grotesk",sans-serif;color:var(--brand)}.trust-item span{display:block;color:var(--muted);font-size:.83rem;margin-top:7px}

.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:42px}
.feature-card{position:relative;overflow:hidden;padding:26px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);transition:transform .2s,border-color .2s,box-shadow .2s}
.feature-card:hover{transform:translateY(-5px);border-color:var(--line-2);box-shadow:var(--shadow-sm)}
.feature-card::after{content:"";position:absolute;width:120px;height:120px;border-radius:50%;right:-70px;top:-70px;background:var(--brand-soft)}
.feature-icon{width:48px;height:48px;border-radius:14px;display:grid;place-items:center;background:var(--brand-soft);color:var(--brand);margin-bottom:21px}
.feature-icon svg{width:23px;height:23px}.feature-card h3{font-size:1.23rem}.feature-card p{color:var(--muted);font-size:.93rem;margin-top:10px}

.demo-band{position:relative;overflow:hidden;border-radius:32px;background:linear-gradient(135deg,#d8501f,#8f3216);padding:46px;color:#fff;display:grid;grid-template-columns:1fr auto;align-items:center;gap:35px;box-shadow:var(--shadow)}
.demo-band::after{content:"";position:absolute;inset:0;opacity:.2;background:repeating-radial-gradient(circle at 90% 10%,transparent 0 20px,rgba(255,255,255,.38) 21px 22px,transparent 23px 42px)}
.demo-band>*{position:relative;z-index:1}.demo-band h2{font-size:clamp(1.8rem,4vw,3rem);max-width:650px}.demo-band p{margin-top:13px;color:rgba(255,255,255,.8);max-width:650px}.demo-band .button{background:#fff;color:#8f3216;box-shadow:none;min-width:184px}

.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:44px;counter-reset:steps}
.step{counter-increment:steps;padding-top:22px;border-top:1px solid var(--line);position:relative}.step::before{content:"0" counter(steps);font:700 .78rem/1 "Space Grotesk",sans-serif;color:var(--brand);letter-spacing:.1em}.step h3{font-size:1.28rem;margin-top:18px}.step p{color:var(--muted);margin-top:9px;font-size:.94rem}

.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:38px}
.topic-card{display:flex;align-items:center;gap:14px;padding:18px;background:var(--surface);border:1px solid var(--line);border-radius:17px;transition:.18s}
.topic-card:hover{border-color:var(--brand);transform:translateY(-3px)}
.topic-card i{font-style:normal;width:43px;height:43px;border-radius:12px;display:grid;place-items:center;background:var(--brand-soft);font-size:1.2rem}.topic-card b{font-family:"Space Grotesk",sans-serif;display:block}.topic-card small{color:var(--muted)}

.faq{margin-top:35px;border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line);padding:20px 0}
.faq summary{cursor:pointer;font:600 1.05rem/1.35 "Space Grotesk",sans-serif;list-style:none;display:flex;justify-content:space-between;gap:20px}
.faq summary::-webkit-details-marker{display:none}.faq summary::after{content:"+";color:var(--brand);font-size:1.35rem}.faq details[open] summary::after{content:"−"}.faq details p{color:var(--muted);margin-top:12px;max-width:760px}

.page-hero{padding:72px 0 52px;border-bottom:1px solid var(--line);position:relative;overflow:hidden}
.page-hero::after{content:"";position:absolute;inset:0;opacity:.14;pointer-events:none;background:repeating-radial-gradient(circle at 90% 0,transparent 0 26px,color-mix(in srgb,var(--brand) 65%,transparent) 27px 28px,transparent 29px 53px)}
.breadcrumbs{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:.85rem;margin-bottom:20px}.breadcrumbs a:hover{color:var(--brand)}
.page-hero h1{font-size:clamp(2.5rem,6vw,4.8rem);max-width:850px}.page-hero p{color:var(--muted);font-size:1.08rem;max-width:700px;margin-top:17px}

.article{padding:66px 0 90px}
.prose h2{font-size:1.75rem;margin:42px 0 13px}.prose h2:first-child{margin-top:0}.prose h3{font-size:1.25rem;margin:28px 0 10px}.prose p,.prose li{color:var(--ink-2)}.prose p+p{margin-top:14px}.prose ul,.prose ol{margin:13px 0}.prose li+li{margin-top:7px}.prose a{color:var(--brand);text-decoration:underline;text-underline-offset:3px}.prose strong{color:var(--ink)}
.notice{border:1px solid var(--line-2);border-left:4px solid var(--brand);background:var(--surface);border-radius:15px;padding:17px 19px;margin:25px 0;color:var(--ink-2)}
.legal-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:23px}.legal-meta span{border:1px solid var(--line);background:var(--surface);border-radius:999px;padding:7px 11px;color:var(--muted);font-size:.8rem}

.material-layout{display:grid;grid-template-columns:250px 1fr;gap:45px;align-items:start}
.material-nav{position:sticky;top:102px;background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:13px}.material-nav a{display:block;padding:10px 12px;border-radius:10px;color:var(--muted);font-size:.9rem}.material-nav a:hover{background:var(--brand-soft);color:var(--brand)}
.lesson-section{scroll-margin-top:110px;padding-bottom:45px;margin-bottom:45px;border-bottom:1px solid var(--line)}.lesson-section:last-child{border-bottom:0}.lesson-section h2{font-size:2rem}.lesson-section>p{color:var(--muted);margin-top:11px}.lesson-points{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:21px}.lesson-point{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:15px}.lesson-point b{display:block;font-family:"Space Grotesk",sans-serif;font-size:.94rem}.lesson-point span{display:block;color:var(--muted);font-size:.85rem;margin-top:4px}

.demo-shell{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:24px;align-items:start}
.quiz-card{background:var(--surface);border:1px solid var(--line);border-radius:26px;box-shadow:var(--shadow-sm);overflow:hidden}
.quiz-head{padding:18px 23px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:15px}.quiz-count{font:700 .78rem/1 "Space Grotesk",sans-serif;color:var(--brand);text-transform:uppercase;letter-spacing:.11em}.quiz-score{font-weight:600;color:var(--muted);font-size:.86rem}
.quiz-progress{height:5px;background:var(--surface-3)}.quiz-progress i{display:block;height:100%;width:20%;background:linear-gradient(90deg,var(--brand),var(--terrain));transition:width .35s}
.quiz-body{padding:30px}.quiz-topic{display:inline-flex;border-radius:99px;padding:6px 9px;background:var(--brand-soft);color:var(--brand);font-size:.73rem;font-weight:700;margin-bottom:17px}.quiz-question{font:600 clamp(1.35rem,3vw,1.8rem)/1.27 "Space Grotesk",sans-serif;letter-spacing:-.025em}
.answers{display:grid;gap:10px;margin-top:25px}.answer{display:flex;align-items:center;gap:13px;width:100%;text-align:left;border:1px solid var(--line);background:var(--bg);border-radius:14px;padding:14px 15px;cursor:pointer;transition:.14s}.answer:hover:not(:disabled){border-color:var(--brand);background:var(--brand-soft)}.answer:disabled{cursor:default}.answer-letter{flex:none;width:31px;height:31px;border:1px solid var(--line-2);border-radius:9px;display:grid;place-items:center;font:700 .8rem/1 "Space Grotesk",sans-serif}.answer.correct{border-color:var(--ok);background:color-mix(in srgb,var(--ok) 12%,var(--surface))}.answer.correct .answer-letter{background:var(--ok);border-color:var(--ok);color:#fff}.answer.wrong{border-color:var(--danger);background:color-mix(in srgb,var(--danger) 11%,var(--surface))}.answer.wrong .answer-letter{background:var(--danger);border-color:var(--danger);color:#fff}
.feedback{margin-top:19px;padding:15px;border-radius:13px;background:var(--surface-2);border:1px solid var(--line);color:var(--ink-2);display:none}.feedback.show{display:block}.feedback b{color:var(--ink);font-family:"Space Grotesk",sans-serif}.quiz-actions{padding:0 30px 30px;display:flex;justify-content:flex-end}
.quiz-aside{display:grid;gap:14px}.aside-card{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:19px}.aside-card h3{font-size:1rem}.aside-card p{font-size:.86rem;color:var(--muted);margin-top:8px}.aside-list{list-style:none;padding:0;margin:13px 0 0}.aside-list li{display:flex;align-items:center;gap:9px;color:var(--ink-2);font-size:.85rem}.aside-list li+li{margin-top:8px}.aside-list i{width:8px;height:8px;border-radius:50%;background:var(--line-2)}.aside-list i.done{background:var(--ok)}.quiz-result{text-align:center;padding:45px 30px}.result-ring{width:124px;height:124px;border-radius:50%;display:grid;place-items:center;margin:0 auto 23px;background:conic-gradient(var(--brand) var(--score-angle,0deg),var(--surface-3) 0);position:relative}.result-ring::after{content:"";position:absolute;inset:11px;border-radius:50%;background:var(--surface)}.result-ring span{position:relative;z-index:1;font:700 1.7rem/1 "Space Grotesk",sans-serif}.quiz-result h2{font-size:2rem}.quiz-result p{color:var(--muted);margin:10px auto 22px;max-width:480px}

.support-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:34px}.support-card{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:23px}.support-card svg{width:25px;height:25px;color:var(--brand);margin-bottom:16px}.support-card h3{font-size:1.15rem}.support-card p{color:var(--muted);font-size:.9rem;margin-top:8px}.support-card a{color:var(--brand);font-weight:700;display:inline-block;margin-top:13px}

.site-footer{border-top:1px solid var(--line);background:var(--surface);padding:52px 0 25px}
.footer-grid{display:grid;grid-template-columns:1.3fr repeat(2,.7fr);gap:45px}.footer-about p{color:var(--muted);max-width:440px;font-size:.9rem;margin-top:16px}.footer-col h3{font-size:.88rem;letter-spacing:.04em}.footer-col a{display:block;color:var(--muted);font-size:.9rem;margin-top:11px}.footer-col a:hover{color:var(--brand)}
.footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--line);padding-top:22px;margin-top:38px;color:var(--muted);font-size:.78rem}.footer-bottom strong{color:var(--ink-2)}
.error-page{text-align:center}.error-page .logo{justify-content:center}.error-page .eyebrow{margin-top:55px}.error-page .section-title,.error-page .section-lead{margin-inline:auto}.error-page .error-action{margin-top:28px}

@media (max-width:980px){
  .main-nav{position:fixed;left:18px;right:18px;top:85px;display:none;flex-direction:column;align-items:stretch;gap:0;background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:10px;box-shadow:var(--shadow)}
  .main-nav.open{display:flex}.main-nav a{padding:12px;border-radius:10px}.main-nav a:hover{background:var(--brand-soft)}
  .menu-button{display:grid}.nav-actions>.button{display:none}
  .hero{padding-top:58px}.hero-grid{grid-template-columns:1fr;gap:42px}.hero-copy{text-align:center}.hero-copy>p{margin-inline:auto}.hero-actions{justify-content:center}.hero-note{justify-content:center}.phone-wrap{min-height:585px;width:min(100%,560px);margin-inline:auto}
  .feature-grid{grid-template-columns:1fr 1fr}.topic-grid{grid-template-columns:1fr 1fr}.material-layout{grid-template-columns:1fr}.material-nav{position:static;display:flex;overflow-x:auto;white-space:nowrap}.material-nav a{flex:none}.demo-shell{grid-template-columns:1fr}.quiz-aside{grid-template-columns:1fr 1fr}
}

@media (max-width:680px){
  .container,.narrow{width:min(calc(100% - 28px),var(--max))}.section{padding:70px 0}.section-sm{padding:48px 0}.nav-shell{height:68px}.logo-copy small{display:none}.main-nav{top:77px}
  .hero{padding:42px 0 72px}.hero h1{font-size:clamp(2.65rem,16vw,4.25rem)}.hero-copy>p{font-size:1rem}.hero-actions{display:grid}.hero-actions .button{width:100%}.hero-note{align-items:flex-start;text-align:left}
  .phone-wrap{min-height:540px}.phone{width:290px}.phone-screen{min-height:505px;padding:15px}.phone-hero{padding:15px}.phone-stats{margin-bottom:14px}.phone-lesson{padding:10px}.float-card{display:none}.orbit{inset:6% 1%}
  .trust-grid{grid-template-columns:1fr 1fr}.trust-item:nth-child(2){border-right:0}.trust-item:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .feature-grid,.topic-grid,.steps,.support-grid{grid-template-columns:1fr}.feature-card{padding:22px}.demo-band{grid-template-columns:1fr;padding:30px 24px;border-radius:24px}.demo-band .button{width:100%}
  .page-hero{padding:48px 0 39px}.page-hero h1{font-size:2.55rem}.article{padding:48px 0 68px}.lesson-points{grid-template-columns:1fr}.quiz-body{padding:23px 18px}.quiz-actions{padding:0 18px 23px}.quiz-aside{grid-template-columns:1fr}.quiz-head{padding:16px 18px}.answer{padding:12px}.footer-grid{grid-template-columns:1fr 1fr}.footer-about{grid-column:1/-1}.footer-bottom{display:grid}.footer-bottom span:last-child{max-width:440px}
}

@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}