/* ===========================================================
   StudyBuddy — mystudybuddy.space
   Design system v1.0  (Edition: "Warm Ink")
   Ink indigo + Spark amber. DM Sans display / Inter body.
   =========================================================== */

:root{
  /* Brand colour */
  --ink:#1B1F5A;          /* Primary — StudyBuddy Ink */
  --ink-deep:#12153F;     /* Night — footers, dark sections */
  --ink-2:#2A2F7A;
  --peri:#5B5FEF;         /* Periwinkle — interactive, links */
  --peri-soft:#E9EAFD;
  --spark:#FFB703;        /* Spark amber — CTA, highlights */
  --spark-deep:#E09F00;
  --spark-soft:#FFF1CC;
  --paper:#F6F5F1;        /* Paper — page background */
  --paper-2:#EDEBE4;
  --white:#FFFFFF;
  --mint:#2EC4B6;         /* Success / progress */
  --mint-soft:#D9F6F2;
  --coral:#FF6B6B;        /* Alerts (used sparingly) */
  --text:#1B1F5A;
  --muted:#5A5E7A;
  --line:rgba(27,31,90,.12);

  /* Type */
  --font-display:"DM Sans",system-ui,sans-serif;
  --font-body:"Inter",system-ui,sans-serif;
  --fs-hero:clamp(2.5rem,5.4vw,4rem);
  --fs-1:clamp(2rem,4vw,3.1rem);
  --fs-2:clamp(1.5rem,2.6vw,2.1rem);
  --fs-3:1.3rem;
  --fs-4:1.1rem;
  --fs-body:1.0625rem;
  --fs-small:.9rem;
  --fs-tiny:.78rem;

  /* Space & shape */
  --s1:.5rem;--s2:1rem;--s3:1.5rem;--s4:2rem;--s5:3rem;--s6:4.5rem;--s7:7rem;
  --r:20px;--r-sm:12px;--r-pill:999px;
  --shadow:0 10px 40px rgba(27,31,90,.10);
  --shadow-lg:0 30px 80px rgba(27,31,90,.18);
  --wrap:1180px;
  --ease:cubic-bezier(.2,.8,.2,1);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--text);font-family:var(--font-body);font-size:var(--fs-body);line-height:1.6;-webkit-font-smoothing:antialiased}
img,svg{max-width:100%;display:block}
a{color:var(--peri);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{color:var(--ink)}
h1,h2,h3,h4{font-family:var(--font-display);font-weight:700;line-height:1.08;letter-spacing:-.025em;margin:0 0 .5em;color:var(--ink)}
h1,.h1{font-size:var(--fs-hero);font-weight:800;font-family:var(--font-display);line-height:1.08;letter-spacing:-.025em;margin:0 0 .5em;color:var(--ink)}
.hero-dark .h1,.on-dark .h1{color:#fff}
h2{font-size:var(--fs-1)}
h3{font-size:var(--fs-2);letter-spacing:-.015em}
h4{font-size:var(--fs-3);letter-spacing:-.01em}
p{margin:0 0 1em}
.lead{font-size:clamp(1.15rem,1.6vw,1.35rem);color:var(--muted);line-height:1.5;max-width:40rem}
.eyebrow{font-family:var(--font-display);font-weight:700;font-size:var(--fs-tiny);letter-spacing:.14em;text-transform:uppercase;color:var(--peri);display:inline-flex;align-items:center;gap:.6rem;margin-bottom:var(--s2)}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--spark);border-radius:2px}
.on-dark .eyebrow{color:var(--spark)}
.muted{color:var(--muted)}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 clamp(1.1rem,4vw,2.5rem)}
.wrap-narrow{max-width:800px;margin:0 auto;padding:0 clamp(1.1rem,4vw,2.5rem)}
section{padding:var(--s6) 0}
section.tight{padding:var(--s5) 0}
.skip{position:absolute;left:-999px;top:0;background:var(--spark);color:var(--ink);padding:.6rem 1rem;z-index:100;border-radius:0 0 12px 0;font-weight:700}
.skip:focus{left:0}
:focus-visible{outline:3px solid var(--spark);outline-offset:3px;border-radius:6px}
.visually-hidden{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:.55rem;font-family:var(--font-display);font-weight:700;font-size:1rem;padding:.9rem 1.45rem;border-radius:var(--r-pill);border:2px solid transparent;cursor:pointer;text-decoration:none;transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .2s;line-height:1;white-space:nowrap}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn-spark{background:var(--spark);color:var(--ink)}
.btn-spark:hover{background:#FFC533;box-shadow:0 10px 28px rgba(255,183,3,.35);color:var(--ink)}
.btn-ink{background:var(--ink);color:#fff}
.btn-ink:hover{background:var(--ink-2);color:#fff;box-shadow:0 10px 28px rgba(27,31,90,.25)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--ink);color:var(--ink)}
.on-dark .btn-ghost{color:#fff;border-color:rgba(255,255,255,.3)}
.on-dark .btn-ghost:hover{border-color:#fff;color:#fff}
.btn-sm{padding:.65rem 1.1rem;font-size:.92rem}
.btn-lg{padding:1.1rem 1.8rem;font-size:1.1rem}
.btn .arrow{transition:transform .25s var(--ease)}
.btn:hover .arrow{transform:translateX(3px)}
.btn-row{display:flex;flex-wrap:wrap;gap:.8rem;align-items:center}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(246,245,241,.85);backdrop-filter:saturate(1.4) blur(12px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:var(--s3);height:72px}
.nav-cta{flex:none}
@media (max-width:480px){.nav{gap:.5rem}.logo{font-size:1.15rem}.logo .mark{width:30px;height:30px}.nav-cta .btn-sm{padding:.6rem .9rem;font-size:.85rem}}
.logo{display:inline-flex;align-items:center;gap:.6rem;text-decoration:none;color:var(--ink);font-family:var(--font-display);font-weight:800;font-size:1.3rem;letter-spacing:-.02em}
.logo .mark{width:36px;height:36px;flex:none}
.logo .accent{color:var(--peri)}
.logo .tld{color:var(--muted);font-weight:600;font-size:.85em}
.nav-links{display:flex;gap:.15rem;list-style:none;margin:0;padding:0}
.nav-links a{display:block;white-space:nowrap;padding:.55rem .75rem;border-radius:var(--r-pill);color:var(--ink);text-decoration:none;font-weight:600;font-size:.95rem}
.nav-links a:hover,.nav-links a[aria-current="page"]{background:var(--white)}
.nav-links a[aria-current="page"]{color:var(--peri)}
.nav-cta{display:flex;gap:.6rem;align-items:center}
.nav-toggle{display:none;background:none;border:0;width:44px;height:44px;border-radius:12px;cursor:pointer;color:var(--ink)}
@media (max-width:980px){
  .nav-links{display:none;position:absolute;top:72px;left:0;right:0;background:var(--paper);flex-direction:column;padding:1rem 1.2rem 1.4rem;border-bottom:1px solid var(--line);box-shadow:var(--shadow)}
  .nav-links.open{display:flex}
  .nav-links a{padding:.9rem .6rem;font-size:1.1rem;border-radius:12px}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .nav-cta .btn-ghost{display:none}
}

/* ---------- Hero ---------- */
.hero{position:relative;padding:var(--s6) 0 var(--s7);overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:var(--s5);align-items:center}
.hero h1 .spark{color:var(--spark)}
.hero h1 .peri{color:var(--peri)}
.hero-media{position:relative}
.hero-media img{border-radius:28px;box-shadow:var(--shadow-lg);aspect-ratio:4/3;object-fit:cover;width:100%}
.hero-dark{background:radial-gradient(1200px 600px at 80% -10%,#2E34A8 0%,var(--ink) 45%,var(--ink-deep) 100%);color:#fff}
.hero-dark h1,.hero-dark h2,.hero-dark h3{color:#fff}
.hero-dark .lead{color:rgba(255,255,255,.78)}
.on-dark,.on-dark h1,.on-dark h2,.on-dark h3,.on-dark h4{color:#fff}
.on-dark .lead,.on-dark .muted{color:rgba(255,255,255,.75)}
.on-dark a{color:#fff}
.hero-meta{display:flex;gap:1.4rem;flex-wrap:wrap;margin-top:var(--s4);font-size:var(--fs-small);color:var(--muted)}
.hero-dark .hero-meta{color:rgba(255,255,255,.7)}
.hero-meta span{display:inline-flex;align-items:center;gap:.4rem}
.hero-meta svg{width:18px;height:18px;color:var(--mint)}
@media (max-width:900px){.hero-grid{grid-template-columns:1fr}.hero{padding-top:var(--s4);padding-bottom:var(--s5)}.hero-media img{aspect-ratio:16/10}}

/* Audience switch */
.switch{display:inline-flex;background:var(--white);border:1px solid var(--line);border-radius:var(--r-pill);padding:4px;gap:2px;margin-bottom:var(--s3)}
.switch button{border:0;background:transparent;padding:.55rem 1.1rem;border-radius:var(--r-pill);font-family:var(--font-display);font-weight:700;cursor:pointer;color:var(--muted);font-size:.95rem}
.switch button[aria-pressed="true"]{background:var(--ink);color:#fff}
.hero-dark .switch{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.14)}
.hero-dark .switch button{color:rgba(255,255,255,.7)}
.hero-dark .switch button[aria-pressed="true"]{background:var(--spark);color:var(--ink)}
[data-aud]{display:none}
[data-aud].show{display:block}

/* ---------- Floating card (product fragments) ---------- */
.float-card{position:absolute;border-radius:20px;box-shadow:var(--shadow-lg);max-width:300px;animation:float 7s ease-in-out infinite}
.float-card.a{left:-8%;bottom:-6%;max-width:280px}
.float-card.b{right:-4%;top:6%;animation-delay:-3s}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
@media (max-width:900px){.float-card{position:static;max-width:none;margin-top:1rem;animation:none}}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}html{scroll-behavior:auto}}

/* Profile card */
.profile{color:var(--text);background:var(--white);border-radius:var(--r);padding:1.4rem;box-shadow:var(--shadow);border:1px solid var(--line)}
.profile .who{display:flex;align-items:center;gap:.9rem;margin-bottom:1rem}
.avatar{width:46px;height:46px;border-radius:50%;background:linear-gradient(135deg,var(--peri),var(--ink));color:#fff;display:grid;place-items:center;font-family:var(--font-display);font-weight:800}
.profile .who strong{display:block;font-family:var(--font-display)}
.profile .who small{color:var(--muted)}
.profile blockquote{margin:0 0 1rem;font-family:var(--font-display);font-size:1.25rem;font-weight:700;letter-spacing:-.01em;line-height:1.3;color:var(--ink)}
.profile blockquote em{font-style:normal;background:linear-gradient(transparent 55%,var(--spark-soft) 55%)}
.tags{display:flex;flex-wrap:wrap;gap:.4rem}
.tag{font-size:var(--fs-tiny);font-weight:600;padding:.3rem .65rem;border-radius:var(--r-pill);background:var(--peri-soft);color:var(--ink)}
.tag.amber{background:var(--spark-soft)}
.tag.mint{background:var(--mint-soft)}

/* Weekly digest fragment */
.digest{color:var(--text);background:var(--white);border-radius:var(--r);padding:1.3rem;border:1px solid var(--line);box-shadow:var(--shadow)}
.digest header{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:.9rem}
.digest header strong{font-family:var(--font-display)}
.digest header small{color:var(--muted)}
.digest-row span{color:var(--muted)}
.bars{display:grid;grid-template-columns:repeat(7,1fr);gap:.4rem;align-items:end;height:84px;margin-bottom:.6rem}
.bars span{display:block;background:var(--peri-soft);border-radius:6px 6px 3px 3px;position:relative}
.bars span.on{background:var(--peri)}
.bars span.today{background:var(--spark)}
.bars-labels{display:grid;grid-template-columns:repeat(7,1fr);gap:.4rem;font-size:var(--fs-tiny);color:var(--muted);text-align:center}
.digest-row{display:flex;justify-content:space-between;padding:.6rem 0;border-top:1px solid var(--line);font-size:var(--fs-small)}
.digest-row b{color:var(--ink)}
.up{color:#1A9E8F;font-weight:600}

/* ---------- Grids & cards ---------- */
.grid{display:grid;gap:var(--s3)}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
@media (max-width:980px){.g3,.g4{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.g2,.g3,.g4{grid-template-columns:1fr}}
.card{background:var(--white);border-radius:var(--r);padding:var(--s4);border:1px solid var(--line);transition:transform .3s var(--ease),box-shadow .3s var(--ease)}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.card h3,.card h4{margin-top:.6rem}
.card p:last-child{margin-bottom:0}
.card.ink{background:var(--ink);color:#fff;border-color:transparent}
.card.ink h3,.card.ink h4{color:#fff}
.card.ink p{color:rgba(255,255,255,.8)}
.card.spark{background:var(--spark);border-color:transparent}
.card.soft{background:var(--peri-soft);border-color:transparent}
.icon{width:48px;height:48px;border-radius:14px;display:grid;place-items:center;background:var(--peri-soft);color:var(--ink)}
.icon.amber{background:var(--spark-soft)}
.icon.mint{background:var(--mint-soft)}
.icon svg{width:24px;height:24px}
.num{font-family:var(--font-display);font-weight:800;font-size:2.6rem;letter-spacing:-.03em;color:var(--ink);line-height:1}
.num small{font-size:1rem;color:var(--muted);font-weight:600;letter-spacing:0;margin-left:.3rem}
.on-dark .num{color:var(--spark)}

/* Split sections */
.split{display:grid;grid-template-columns:1fr 1fr;gap:var(--s5);align-items:center}
.split.form-split{grid-template-columns:1.3fr .7fr;align-items:start}
@media (max-width:900px){.split.form-split{grid-template-columns:1fr}}
.split.rev>:first-child{order:2}
.split img{border-radius:24px;box-shadow:var(--shadow)}
@media (max-width:900px){.split{grid-template-columns:1fr}.split.rev>:first-child{order:0}}

/* Steps */
.steps{counter-reset:step;display:grid;grid-template-columns:repeat(3,1fr);gap:var(--s3)}
.step{position:relative;background:var(--white);border-radius:var(--r);padding:var(--s4);border:1px solid var(--line)}
.step::before{counter-increment:step;content:"0" counter(step);font-family:var(--font-display);font-weight:800;color:var(--spark);font-size:2rem;letter-spacing:-.04em;display:block;margin-bottom:.4rem}
@media (max-width:900px){.steps{grid-template-columns:1fr}}

/* Stat strip */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--s3);padding:var(--s4) 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.stats div p{margin:.3rem 0 0;color:var(--muted);font-size:var(--fs-small)}
@media (max-width:900px){.stats{grid-template-columns:repeat(2,1fr)}}

/* Dark band */
.band{background:var(--ink);color:#fff}
.band.deep{background:var(--ink-deep)}
.band h2,.band h3,.band h4{color:#fff}
.band .lead,.band p.muted{color:rgba(255,255,255,.75)}
.band .card{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.1);color:#fff}
.band .card h3,.band .card h4{color:#fff}
.band .card p{color:rgba(255,255,255,.8)}
.band .icon{background:rgba(255,255,255,.1);color:var(--spark)}
.band a:not(.btn){color:var(--spark)}

/* ---------- Pricing ---------- */
.pricing{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--s3);max-width:900px;margin:0 auto}
@media (max-width:760px){.pricing{grid-template-columns:1fr}}
.plan{background:var(--white);border-radius:28px;padding:var(--s4);border:1px solid var(--line);position:relative;display:flex;flex-direction:column}
.plan.featured{background:var(--ink);color:#fff;border-color:transparent;box-shadow:var(--shadow-lg)}
.plan.featured h3,.plan.featured .price{color:#fff}
.plan.featured .muted{color:rgba(255,255,255,.7)}
.plan .badge{position:absolute;top:-14px;left:28px;background:var(--spark);color:var(--ink);font-family:var(--font-display);font-weight:800;font-size:.78rem;padding:.35rem .8rem;border-radius:var(--r-pill);letter-spacing:.04em}
.price{font-family:var(--font-display);font-weight:800;font-size:3rem;letter-spacing:-.04em;color:var(--ink);line-height:1;margin:.6rem 0 .2rem}
.price small{font-size:1rem;font-weight:600;letter-spacing:0;color:var(--muted)}
.plan.featured .price small{color:rgba(255,255,255,.7)}
.plan ul{list-style:none;padding:0;margin:var(--s3) 0;display:grid;gap:.6rem;flex:1}
.plan li{display:flex;gap:.6rem;align-items:flex-start;font-size:.97rem}
.plan li::before{content:"";flex:none;width:20px;height:20px;border-radius:50%;background:var(--mint-soft) url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231A9E8F' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'><path d='M5 13l4 4L19 7'/></svg>") center/12px no-repeat;margin-top:.15rem}
.plan.featured li::before{background-color:rgba(255,255,255,.15)}
.billing{display:flex;justify-content:center;margin-bottom:var(--s4)}
.save{font-size:.78rem;background:var(--spark-soft);color:var(--ink);padding:.15rem .5rem;border-radius:var(--r-pill);margin-left:.4rem;font-weight:700}
.on-dark .save{background:var(--spark);color:var(--ink)}

/* ---------- Forms ---------- */
form.form{display:grid;gap:1.1rem}
.field{display:grid;gap:.4rem}
.field label{font-weight:600;font-size:.95rem;font-family:var(--font-display)}
.field .hint{font-size:var(--fs-small);color:var(--muted)}
.field input,.field select,.field textarea{font:inherit;padding:.85rem 1rem;border-radius:14px;border:1.5px solid var(--line);background:var(--white);color:var(--ink);width:100%}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--peri);box-shadow:0 0 0 4px var(--peri-soft)}
.field.error input{border-color:var(--coral)}
.field .err{color:#C83C3C;font-size:var(--fs-small);display:none}
.field.error .err{display:block}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
@media (max-width:640px){.field-row{grid-template-columns:1fr}}
.check{display:flex;gap:.7rem;align-items:flex-start;font-size:.95rem}
.check input{width:20px;height:20px;margin-top:.15rem;accent-color:var(--peri)}
.form-panel{background:var(--white);border-radius:28px;padding:var(--s4);border:1px solid var(--line);box-shadow:var(--shadow)}
.form-success{display:none;background:var(--mint-soft);border-radius:var(--r);padding:var(--s4);text-align:center}
.form-success.show{display:block}
.form-success h3{margin-top:.5rem}
form.done{display:none}
.order{background:var(--paper);border-radius:var(--r);padding:var(--s3);border:1px solid var(--line);position:sticky;top:96px}
.order-row{display:flex;justify-content:space-between;padding:.55rem 0;border-bottom:1px solid var(--line);font-size:.95rem}
.order-row:last-child{border:0;font-weight:700;font-family:var(--font-display);font-size:1.1rem}
.choice{display:grid;gap:.7rem}
.choice label{display:flex;gap:.8rem;align-items:center;padding:1rem;border:1.5px solid var(--line);border-radius:16px;cursor:pointer;background:var(--white)}
.choice label:has(input:checked){border-color:var(--peri);box-shadow:0 0 0 3px var(--peri-soft)}
.choice input{accent-color:var(--peri);width:18px;height:18px}
.choice b{font-family:var(--font-display);display:block}
.choice small{color:var(--muted)}
.choice .amt{margin-left:auto;font-family:var(--font-display);font-weight:800}
.secure{display:flex;gap:.6rem;align-items:center;color:var(--muted);font-size:var(--fs-small);margin-top:1rem}
.secure svg{width:18px;height:18px;color:var(--mint)}

/* ---------- FAQ ---------- */
.faq details{background:var(--white);border:1px solid var(--line);border-radius:16px;padding:0 1.25rem;margin-bottom:.7rem}
.faq summary{cursor:pointer;list-style:none;padding:1.1rem 0;font-family:var(--font-display);font-weight:700;display:flex;justify-content:space-between;align-items:center;gap:1rem}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:1.5rem;color:var(--peri);transition:transform .25s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{padding-bottom:1.1rem;margin:0;color:var(--muted)}

/* ---------- Insights ---------- */
.paper-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--s3)}
@media (max-width:980px){.paper-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.paper-grid{grid-template-columns:1fr}}
.paper-card{display:flex;flex-direction:column;background:var(--white);border-radius:var(--r);border:1px solid var(--line);overflow:hidden;text-decoration:none;color:var(--ink);transition:transform .3s var(--ease),box-shadow .3s var(--ease)}
.paper-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.paper-card .pc-top{padding:1.3rem 1.3rem 0;display:flex;justify-content:space-between;align-items:center}
.paper-card .no{font-family:var(--font-display);font-weight:800;font-size:2rem;color:var(--spark);letter-spacing:-.04em}
.paper-card h3{font-size:1.25rem;padding:0 1.3rem;margin:.6rem 0 .4rem}
.paper-card p{padding:0 1.3rem 1.3rem;color:var(--muted);font-size:.95rem;margin:0}
.paper-card .aud{font-size:var(--fs-tiny);font-weight:700;padding:.25rem .6rem;border-radius:var(--r-pill)}
.aud.p{background:var(--peri-soft);color:var(--ink)}
.aud.s{background:var(--spark-soft);color:var(--ink)}
.aud.b{background:var(--mint-soft);color:var(--ink)}
.paper{display:grid;grid-template-columns:1fr 280px;gap:var(--s5);align-items:start}
@media (max-width:900px){.paper{grid-template-columns:1fr}.paper aside{order:-1}}
.paper article{max-width:720px}
.paper article h2{font-size:var(--fs-2);margin-top:2.2rem}
.paper article h3{font-size:1.25rem;margin-top:1.6rem}
.paper article p,.paper article li{font-size:1.07rem;line-height:1.75}
.paper aside{position:sticky;top:96px}
.toc{background:var(--white);border:1px solid var(--line);border-radius:var(--r);padding:1.2rem 1.3rem;margin-bottom:1rem}
.toc strong{font-family:var(--font-display);display:block;margin-bottom:.5rem}
.toc ol{margin:0;padding-left:1.1rem;font-size:.92rem;display:grid;gap:.35rem}
.toc a{color:var(--ink);text-decoration:none}
.toc a:hover{color:var(--peri)}
.callout{background:var(--spark-soft);border-left:4px solid var(--spark);padding:1.1rem 1.3rem;border-radius:0 16px 16px 0;margin:1.6rem 0}
.callout.peri{background:var(--peri-soft);border-color:var(--peri)}
.callout.mint{background:var(--mint-soft);border-color:var(--mint)}
.callout strong{font-family:var(--font-display)}
.callout p:last-child{margin:0}
.sources{border-top:1px solid var(--line);margin-top:var(--s5);padding-top:var(--s3)}
.sources ol{padding-left:1.2rem;font-size:.92rem;color:var(--muted);display:grid;gap:.5rem}
.sources a{word-break:break-word}
.tryit{background:var(--ink);color:#fff;border-radius:var(--r);padding:1.4rem;margin:1.8rem 0}
.tryit h4{color:var(--spark);margin-bottom:.4rem}
.tryit ul{margin:0;padding-left:1.1rem}
.tryit p:last-child,.tryit li:last-child{margin-bottom:0}
.paper-hero{background:var(--ink);color:#fff;padding:var(--s5) 0 var(--s5)}
.paper-hero h1{color:#fff;font-size:clamp(2.1rem,4.5vw,3.4rem)}
.paper-hero .lead{color:rgba(255,255,255,.78)}
.paper-hero .meta{display:flex;gap:1.2rem;flex-wrap:wrap;color:rgba(255,255,255,.65);font-size:var(--fs-small);margin-top:1rem}

/* ---------- Tables ---------- */
table{width:100%;border-collapse:collapse;background:var(--white);border-radius:var(--r);overflow:hidden;font-size:.95rem}
th,td{padding:.9rem 1rem;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
th{font-family:var(--font-display);font-weight:700;background:var(--peri-soft)}
tr:last-child td{border:0}
.table-wrap{overflow-x:auto;border-radius:var(--r);border:1px solid var(--line)}

/* ---------- Testimonial / quote ---------- */
.quote{font-family:var(--font-display);font-size:clamp(1.3rem,2.4vw,1.9rem);font-weight:700;letter-spacing:-.02em;line-height:1.3;max-width:48rem}
.quote footer{font-family:var(--font-body);font-size:1rem;font-weight:500;color:var(--muted);margin-top:1rem}
.band .quote footer{color:rgba(255,255,255,.7)}

/* ---------- Note generator / quiz ---------- */
.gen{background:var(--white);border-radius:28px;border:1px solid var(--line);padding:var(--s4);box-shadow:var(--shadow)}
.note{background:var(--paper);border-radius:var(--r);padding:1.4rem;font-size:1.02rem;white-space:pre-wrap;border:1px dashed var(--line);min-height:160px}
.quiz-q{display:none}
.quiz-q.active{display:block}
.quiz-opts{display:grid;gap:.6rem;margin:1rem 0}
.quiz-opts button{text-align:left;padding:1rem 1.1rem;border-radius:14px;border:1.5px solid var(--line);background:var(--white);font:inherit;cursor:pointer;color:var(--ink)}
.quiz-opts button:hover{border-color:var(--peri);background:var(--peri-soft)}
.progress{height:6px;background:var(--peri-soft);border-radius:3px;overflow:hidden;margin-bottom:1rem}
.progress span{display:block;height:100%;background:var(--spark);width:0;transition:width .4s var(--ease)}

/* ---------- CTA block ---------- */
.cta{background:linear-gradient(135deg,var(--spark) 0%,#FFCB47 100%);border-radius:32px;padding:clamp(2rem,5vw,4rem);display:grid;grid-template-columns:1.2fr .8fr;gap:var(--s4);align-items:center}
.cta h2{margin-bottom:.4rem}
.cta p{color:rgba(27,31,90,.8);margin-bottom:0}
.cta .btn-row{justify-content:flex-end}
@media (max-width:800px){.cta{grid-template-columns:1fr}.cta .btn-row{justify-content:flex-start}}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink-deep);color:rgba(255,255,255,.8);padding:var(--s6) 0 var(--s4);margin-top:var(--s6)}
.foot-grid{display:grid;grid-template-columns:1.4fr repeat(4,1fr);gap:var(--s4)}
@media (max-width:980px){.foot-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.foot-grid{grid-template-columns:1fr}}
.site-footer h4{color:#fff;font-size:.95rem;margin-bottom:.8rem;letter-spacing:.02em}
.site-footer ul{list-style:none;margin:0;padding:0;display:grid;gap:.45rem}
.site-footer a{color:rgba(255,255,255,.75);text-decoration:none;font-size:.93rem}
.site-footer a:hover{color:var(--spark)}
.site-footer .logo{color:#fff}
.site-footer .logo .tld{color:rgba(255,255,255,.55)}
.foot-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:1rem;border-top:1px solid rgba(255,255,255,.1);margin-top:var(--s5);padding-top:var(--s3);font-size:var(--fs-small);color:rgba(255,255,255,.55)}
.foot-bottom a{color:rgba(255,255,255,.7)}
.venture{display:inline-flex;align-items:center;gap:.5rem;font-size:var(--fs-tiny);letter-spacing:.12em;text-transform:uppercase;color:rgba(255,255,255,.55);margin-top:1rem}
.venture b{color:#fff}

/* ---------- Page header (simple) ---------- */
.page-head{padding:var(--s6) 0 var(--s4)}
.page-head h1{font-size:clamp(2.2rem,5vw,3.6rem)}
.breadcrumb{font-size:var(--fs-small);color:var(--muted);margin-bottom:1rem}
.breadcrumb a{color:var(--muted)}

/* ---------- Prose ---------- */
.prose{max-width:760px}
.prose h2{font-size:var(--fs-2);margin-top:2.2rem}
.prose h3{font-size:1.3rem;margin-top:1.5rem}
.prose p,.prose li{font-size:1.05rem;line-height:1.75}
.prose ul,.prose ol{padding-left:1.3rem}
.prose li{margin-bottom:.4rem}

/* ---------- Brand page ---------- */
.swatches{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1rem}
.swatch{border-radius:16px;padding:1rem;min-height:140px;display:flex;flex-direction:column;justify-content:flex-end;border:1px solid var(--line)}
.swatch b{font-family:var(--font-display)}
.swatch small{opacity:.8;font-size:.8rem}
.type-sample{background:var(--white);border-radius:var(--r);padding:var(--s4);border:1px solid var(--line)}
.logo-tile{background:var(--white);border:1px solid var(--line);border-radius:var(--r);padding:var(--s4);display:grid;place-items:center;min-height:200px}
.logo-tile.dark{background:var(--ink)}
.logo-tile.amber{background:var(--spark)}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none}}

/* ---------- Sitemap page ---------- */
.sitemap-cols{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--s3)}
@media (max-width:900px){.sitemap-cols{grid-template-columns:1fr}}
.sitemap-cols ul{list-style:none;padding:0;margin:0;display:grid;gap:.4rem}
.sitemap-cols a{text-decoration:none;color:var(--ink)}
.sitemap-cols a:hover{color:var(--peri)}
.sitemap-cols code{font-size:.78rem;color:var(--muted);margin-left:.4rem}

/* subjects pill grid */
.pills{display:flex;flex-wrap:wrap;gap:.6rem}
.pill{padding:.6rem 1rem;border-radius:var(--r-pill);background:var(--white);border:1px solid var(--line);font-weight:600;font-size:.95rem}
.pill.soon{opacity:.6}

.float-card .profile{box-shadow:none}