/* students.postly.solutions (BUG-1790): the customers' page (index.html) and the students' page (students.html).
   The client-sites language (paper, one deep band colour, outline + solid headlines, Rubik 800 + Assistant),
   with Postly blue as the one accent. No em or en dashes in the copy. */
:root{
  --paper:#F5EFE5; --paper-2:#EDE5D6; --ink:#16202E; --ink-2:#465364; --muted:#7A8594;
  --deep:#13233D; --accent:#2E7CF6; --accent-2:#1F5FC8; --line:rgba(22,32,46,.12); --ok:#1F8A5B;
  --r:26px; --wrap:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font:17px/1.65 "Assistant",system-ui,sans-serif;-webkit-font-smoothing:antialiased}
body::before{content:"";position:fixed;inset:0;pointer-events:none;opacity:.35;z-index:0;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence baseFrequency='.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.09'/%3E%3C/svg%3E")}
main,header,footer{position:relative;z-index:1}
a{color:inherit}
img{max-width:100%;height:auto;display:block}
main{overflow-x:clip}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
h1,h2,h3{font-family:"Rubik",system-ui,sans-serif;font-weight:800;line-height:1.05;margin:0;letter-spacing:-.01em}
.ol{color:transparent;-webkit-text-stroke:1.6px var(--ink)}
.band .ol,.hero-dark .ol{-webkit-text-stroke-color:#fff}

/* nav */
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 0}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-family:"Rubik";font-weight:700;font-size:18px}
.brand i{width:34px;height:34px;border-radius:10px;background:var(--accent);display:grid;place-items:center;color:#fff;font-style:normal}
.brand small{display:block;font:500 12.5px "Assistant";color:var(--muted);letter-spacing:.02em}
.nav nav{display:flex;align-items:center;gap:22px;font-size:15px}
.nav nav a{text-decoration:none;color:var(--ink-2)}
.nav nav a:hover{color:var(--ink)}
.pill{display:inline-flex;align-items:center;gap:8px;border:0;border-radius:999px;background:var(--accent);color:#fff;font:700 16px "Assistant";padding:13px 26px;text-decoration:none;cursor:pointer;transition:transform .2s,background .2s}
.pill:hover{background:var(--accent-2);transform:translateY(-1px)}
.pill.sm{padding:9px 18px;font-size:14.5px}
.link{font-weight:600;text-decoration:underline;text-underline-offset:5px;text-decoration-thickness:1.5px}

/* hero */
.hero{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;padding:36px 0 72px}
.proof{display:inline-flex;align-items:center;gap:8px;font-size:14.5px;color:var(--ink-2);margin-bottom:18px}
.proof::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--accent)}
.hero h1{font-size:clamp(44px,6.4vw,82px)}
.hero h1 span{display:block}
.hero p.lead{font-size:19px;color:var(--ink-2);max-width:520px;margin:22px 0 30px}
.hero .acts{display:flex;align-items:center;gap:22px;flex-wrap:wrap}
.stack{position:relative;height:440px;margin-inline:12px}
.stack figure{position:absolute;margin:0;width:78%;border-radius:18px;overflow:hidden;background:#fff;box-shadow:0 30px 60px -28px rgba(19,35,61,.45),0 0 0 1px var(--line);transition:transform .5s}
.stack figure::before{content:"";display:block;height:26px;background:#ECEEF2 radial-gradient(circle at 16px 13px,#F26B5B 4px,transparent 5px) ,radial-gradient(circle at 32px 13px,#F5BE4F 4px,transparent 5px);background-repeat:no-repeat}
.stack figure:nth-child(1){top:0;inset-inline-start:0;transform:rotate(-4deg)}
.stack figure:nth-child(2){bottom:0;inset-inline-end:0;transform:rotate(3deg)}
.stack:hover figure:nth-child(1){transform:rotate(-6deg) translateY(-6px)}
.stack:hover figure:nth-child(2){transform:rotate(5deg) translateY(6px)}
.stack figcaption{position:absolute;bottom:10px;inset-inline-start:10px;background:rgba(255,255,255,.92);border-radius:999px;padding:3px 12px;font-size:13px;font-weight:600}

/* sections */
section{padding:84px 0}
.kicker{font-size:14px;font-weight:700;letter-spacing:.08em;color:var(--accent);margin-bottom:12px}
h2{font-size:clamp(34px,4.6vw,58px)}
.sub{font-size:18px;color:var(--ink-2);max-width:620px;margin:16px 0 0}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:44px;counter-reset:s}
.step{background:#fff;border-radius:var(--r);padding:30px 28px;box-shadow:0 0 0 1px var(--line)}
.step::before{counter-increment:s;content:counter(s);font:800 54px/1 "Rubik";color:transparent;-webkit-text-stroke:1.4px var(--accent);display:block;margin-bottom:14px}
.step h3{font-size:22px;margin-bottom:8px}
.step p{margin:0;color:var(--ink-2)}

/* the deep band, joined by waves */
.band{background:var(--deep);color:#fff;position:relative}
.band::before,.band::after{content:"";position:absolute;inset-inline:0;height:40px;background:var(--deep);
  -webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 40' preserveAspectRatio='none'%3E%3Cpath d='M0 40 C300 0 900 0 1200 40Z'/%3E%3C/svg%3E") center/100% 100%;
          mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 40' preserveAspectRatio='none'%3E%3Cpath d='M0 40 C300 0 900 0 1200 40Z'/%3E%3C/svg%3E") center/100% 100%}
.band::before{top:-39px}
.band::after{bottom:-39px;transform:scaleY(-1)}
.band .sub{color:#C9D3E3}
.band .kicker{color:#8DB7FF}
.examples{display:grid;grid-template-columns:1fr 1fr;gap:26px;margin-top:40px}
.ex{display:block;text-decoration:none;border-radius:20px;overflow:hidden;background:#fff;color:var(--ink);transition:transform .25s}
.ex:hover{transform:translateY(-4px)}
.ex::before{content:"";display:block;height:26px;background:#ECEEF2 radial-gradient(circle at 16px 13px,#F26B5B 4px,transparent 5px),radial-gradient(circle at 32px 13px,#F5BE4F 4px,transparent 5px);background-repeat:no-repeat}
.ex span{display:flex;justify-content:space-between;align-items:center;padding:14px 18px;font-weight:700}
.ex span small{font-weight:500;color:var(--muted);direction:ltr}

/* price */
.price{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:40px}
.pc{border-radius:var(--r);padding:32px;background:#fff;box-shadow:0 0 0 1px var(--line)}
.pc.free{background:var(--accent);color:#fff;box-shadow:none}
.pc .amt{font:800 64px/1 "Rubik";margin:6px 0 14px}
.pc .amt small{font-size:20px;font-weight:600}
.pc ul{margin:0;padding:0;list-style:none}
.pc li{padding:7px 0;border-top:1px solid var(--line)}
.pc.free li{border-color:rgba(255,255,255,.25)}
.pc h3{font-size:20px}

/* trust card */
.trust{display:flex;align-items:center;justify-content:space-between;gap:28px;background:var(--paper-2);border-radius:var(--r);padding:34px 38px;flex-wrap:wrap}
.trust h3{font-size:28px;margin-bottom:6px}
.trust p{margin:0;color:var(--ink-2);max-width:620px}

/* faq */
.faq{margin-top:34px;max-width:820px}
.faq details{border-top:1px solid var(--line);padding:16px 0}
.faq summary{cursor:pointer;font-weight:700;font-size:18.5px;list-style:none;display:flex;justify-content:space-between;gap:16px}
.faq summary::after{content:"+";font:400 24px/1 "Rubik";color:var(--accent)}
.faq details[open] summary::after{content:"−"}
.faq p{margin:10px 0 0;color:var(--ink-2)}

/* form */
.formbox{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:start}
form.req{background:#fff;border-radius:var(--r);padding:30px;box-shadow:0 30px 60px -36px rgba(19,35,61,.4),0 0 0 1px var(--line);display:grid;gap:14px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
label{display:grid;gap:6px;font-weight:600;font-size:15px}
label em{font-style:normal;font-weight:400;color:var(--muted)}
input,textarea{font:17px "Assistant";border:1.5px solid var(--line);border-radius:14px;padding:12px 14px;background:#FBFAF7;color:var(--ink);width:100%}
input:focus,textarea:focus{outline:none;border-color:var(--accent);background:#fff}
textarea{min-height:92px;resize:vertical}
input[dir=ltr]{text-align:right}
.hp{position:absolute;inset-inline-start:-9999px;width:1px;height:1px;overflow:hidden}
.consent{font-size:13.5px;color:var(--muted);margin:0}
.err{color:#B3261E;font-weight:600;font-size:15px;margin:0;min-height:1em}
.done{background:#fff;border-radius:var(--r);padding:40px 30px;text-align:center;box-shadow:0 0 0 1px var(--line)}
.done b{display:block;font:800 30px "Rubik";color:var(--ok);margin-bottom:8px}

/* footer + the fixed badge */
footer{padding:44px 0 90px;color:var(--muted);font-size:14.5px}
footer .wrap{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap}
.built{position:fixed;bottom:16px;inset-inline-end:16px;z-index:5;display:inline-flex;align-items:center;gap:8px;background:#fff;color:#2E7CF6;
  border-radius:999px;padding:7px 14px;font:700 13.5px "Assistant";text-decoration:none;box-shadow:0 6px 20px -8px rgba(0,0,0,.3)}
.built i{width:22px;height:22px;border-radius:50%;background:#2E7CF6;display:grid;place-items:center}
.built svg{width:12px;height:12px}
.built b{font-weight:800}

/* motion */
.rise{opacity:0;transform:translateY(18px);animation:rise .8s cubic-bezier(.2,.7,.2,1) forwards}
.rise.d1{animation-delay:.08s}.rise.d2{animation-delay:.18s}.rise.d3{animation-delay:.3s}.rise.d4{animation-delay:.42s}
@keyframes rise{to{opacity:1;transform:none}}
.fade{opacity:1}
.js .fade{opacity:0;transform:translateY(22px);transition:opacity .7s,transform .7s}
.js .fade.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.rise,.js .fade{animation:none;opacity:1;transform:none;transition:none}html{scroll-behavior:auto}}

/* phone */
@media (max-width:860px){
  .nav nav a:not(.pill){display:none}
  .hero{grid-template-columns:1fr;gap:34px;padding-top:14px}
  .stack{height:260px;margin-inline:18px}
  .stack figure{width:74%}
  .steps,.examples,.price,.formbox,.row2{grid-template-columns:1fr}
  section{padding:64px 0}
  .trust{padding:26px}
  .built{bottom:12px;inset-inline-end:12px}
}
.band + .wrap{margin-top:70px}