/* ==========================================================================
   Homework 6 — Room to Begin
   A printed-page deck, lit by a single lamp. One accent (amber, the light);
   everything structural is ink on warm stock. Dark pages answer the brief's
   "door standing open" with a lit room behind them.
   ========================================================================== */
:root{
  --ink:#1c1d1f;
  --paper:#f2efe8;
  --panel:#fbf9f5;
  --dim:#8d887c;
  --dim-2:#a39e92;
  --line:#cbbfa9;            /* hairline on paper */
  --line-soft:rgba(28,29,31,.1);
  --amber:#b8791f;           /* the lamp */
  --amber-hi:#e0a233;
  --amber-deep:#8a5a16;
  --night:#14161c;
  --night-2:#23262e;
  --night-edge:#3a3f4a;
  --night-tx:#b9b3a6;        /* text on night */
  --white:#f7f4ec;
  /* the five vowels, Rimbaud's colours */
  --vow-a:#15171c; --vow-e:#f7f4ec; --vow-i:#a8332a; --vow-u:#3f6b4a; --vow-o:#2f4f7f;
  /* message paragraph tags */
  --t-why:#c8772a; --t-how:#3a6ea5; --t-what:#3f6b4a; --t-ask:#a8332a; --t-close:#8d887c;

  --serif:'EB Garamond','Source Serif 4',Georgia,'Times New Roman',serif;
  --num:'Barlow Condensed','Barlow',Arial,sans-serif;
  --ui:'Barlow','Helvetica Neue',Arial,sans-serif;

  --bar:54px;
  --ease:cubic-bezier(.2,.8,.25,1);
  --ease-out:cubic-bezier(.16,1,.3,1);
}

*{box-sizing:border-box;}
html,body{margin:0;height:100%;}
body{
  background:var(--paper);
  color:var(--ink);
  font-family:var(--serif);
  overflow:hidden;
  -webkit-font-smoothing:antialiased;
}
html:not(.js) .slide{position:static;opacity:1;}

/* ---- chrome -------------------------------------------------------------*/
.topbar{
  position:fixed;top:0;left:0;right:0;height:var(--bar);z-index:40;
  display:flex;align-items:center;justify-content:space-between;
  padding:0 26px;
  font-family:var(--num);font-size:12px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--ink);
  transition:color .5s var(--ease);
}
.topbar__brand{font-weight:600;}
.topbar__course{color:var(--dim);}
body.is-dark .topbar{color:var(--night-tx);}
body.is-dark .topbar__course{color:#7c7a72;}

.navrail{
  position:fixed;bottom:20px;left:50%;transform:translateX(-50%);z-index:40;
  display:flex;align-items:center;gap:14px;
}
.navbtn{
  width:40px;height:40px;border-radius:50%;
  border:1.5px solid var(--line);
  background:rgba(251,249,245,.55);color:var(--ink);
  font-size:17px;line-height:1;cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  transition:border-color .2s var(--ease),background .2s var(--ease),color .2s;
  backdrop-filter:blur(3px);
}
.navbtn:hover{border-color:var(--amber);color:var(--amber);}
body.is-dark .navbtn{border-color:#3a3f4a;background:rgba(20,22,28,.5);color:var(--night-tx);}
body.is-dark .navbtn:hover{border-color:var(--amber-hi);color:var(--amber-hi);}

.dots{display:flex;gap:9px;align-items:center;}
.dot{
  width:9px;height:9px;border-radius:50%;padding:0;cursor:pointer;
  border:1.5px solid var(--dim);background:transparent;
  transition:all .25s var(--ease);
}
.dot:hover{border-color:var(--amber);}
.dot.is-on{background:var(--amber);border-color:var(--amber);transform:scale(1.25);}
body.is-dark .dot{border-color:#5a606c;}

.hud{
  font-family:var(--num);font-size:13px;letter-spacing:.1em;
  color:var(--dim);padding-left:4px;
}
body.is-dark .hud{color:#7c7a72;}

/* ---- the deck ------------------------------------------------------------*/
.deck{position:absolute;inset:var(--bar) 0 0 0;}
.slide{
  position:absolute;inset:0;
  display:flex;align-items:center;
  opacity:0;transform:translateY(16px) scale(.994);
  pointer-events:none;
  transition:opacity .62s var(--ease),transform .7s var(--ease-out);
  overflow:hidden;
}
.slide.is-active{opacity:1;transform:none;pointer-events:auto;}

.slide__inner{
  order:1;width:50%;max-width:680px;
  padding:0 4vw 0 7vw;z-index:2;position:relative;
}
.slide__art{
  order:2;width:50%;height:100%;position:relative;z-index:1;
}
.slide__art svg{width:100%;height:100%;display:block;}

/* dark pages: the plate fills the screen, type sits on a scrim */
.slide[data-theme="dark"] .slide__art{position:absolute;inset:0;width:100%;height:100%;z-index:0;}
.slide[data-theme="dark"] .slide__inner{
  position:relative;z-index:2;width:55%;color:var(--white);
  text-shadow:0 1px 18px rgba(0,0,0,.55);
}
.slide[data-theme="dark"]::after{
  content:"";position:absolute;inset:0;z-index:1;pointer-events:none;
  background:linear-gradient(90deg,
     rgba(10,11,14,.86) 0%, rgba(10,11,14,.62) 40%,
     rgba(10,11,14,.22) 72%, rgba(10,11,14,0) 100%);
}
.slide[data-theme="dark"] .eyebrow{color:var(--amber-hi);}
.slide[data-theme="dark"] .body,.slide[data-theme="dark"] .aside,
.slide[data-theme="dark"] .steps__d,.slide[data-theme="dark"] .ask__d{color:#cfc9bd;}

/* ---- type ----------------------------------------------------------------*/
.eyebrow{
  font-family:var(--num);font-size:13px;letter-spacing:.2em;text-transform:uppercase;
  color:var(--amber);margin:0 0 18px;
}
.h1{
  font-family:var(--serif);font-weight:400;
  font-size:clamp(3rem,7vw,5.6rem);line-height:.98;margin:0 0 22px;
  letter-spacing:-.01em;
}
.lede{
  font-size:clamp(1.12rem,1.7vw,1.5rem);line-height:1.5;
  color:#34373b;max-width:30ch;margin:0 0 26px;
}
.motto{
  font-size:clamp(1.3rem,2.2vw,1.8rem);font-style:italic;color:var(--amber);margin:0 0 30px;
}
.meta{
  list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px 20px;
  font-family:var(--num);font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--dim);
}
.h2{
  font-family:var(--serif);font-weight:400;
  font-size:clamp(2.2rem,4.6vw,3.5rem);line-height:1.04;margin:0 0 26px;letter-spacing:-.01em;
}
.body{
  font-size:clamp(1.05rem,1.5vw,1.38rem);line-height:1.64;
  color:#33363a;max-width:36ch;margin:0;
}
.pull{
  font-family:var(--serif);font-size:clamp(1.6rem,3.1vw,2.7rem);line-height:1.24;
  margin:0 0 28px;
}
.pull--close{color:var(--amber);}
.aside{font-style:italic;color:var(--dim);font-size:1.05rem;margin:0;}

/* ---- the brief map -------------------------------------------------------*/
.map{
  width:100%;border-collapse:collapse;
  font-size:clamp(.96rem,1.3vw,1.16rem);margin-top:4px;
}
.map th{
  text-align:left;font-family:var(--num);font-size:11px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--amber);padding:0 14px 12px 0;
  border-bottom:1.5px solid var(--line);font-weight:600;
}
.map td{
  padding:14px 14px 14px 0;vertical-align:top;border-bottom:1px solid var(--line);
}
.map tr:last-child td{border-bottom:none;}
.map td:first-child{width:46%;color:var(--ink);}
.map td:last-child{color:#43464b;}

/* ---- how: steps ----------------------------------------------------------*/
.steps{list-style:none;counter-reset:s;margin:0;padding:0;}
.steps li{
  display:grid;grid-template-columns:auto 1fr;grid-template-rows:auto auto;
  gap:4px 18px;padding:15px 0;border-bottom:1px solid var(--line);
}
.steps li:last-child{border-bottom:none;}
.steps__n{font-family:var(--num);font-size:15px;font-weight:600;color:var(--amber);padding-top:3px;}
.steps__t{font-family:var(--serif);font-size:1.32rem;}
.steps__d{grid-column:2;color:#43464b;font-size:1rem;line-height:1.46;}

/* ---- what: facts ---------------------------------------------------------*/
.facts{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:26px 46px;}
.facts li{border-top:1.6px solid var(--line);padding-top:13px;}
.facts b{display:block;font-family:var(--serif);font-weight:400;font-size:clamp(1.6rem,2.4vw,2.1rem);}
.facts span{font-family:var(--num);font-size:13px;letter-spacing:.05em;color:var(--dim);}

/* ---- the ask: cards ------------------------------------------------------*/
.asks{display:grid;gap:14px;}
.ask{
  text-align:left;background:var(--panel);border:1px solid var(--line);
  padding:16px 18px;cursor:pointer;display:grid;gap:5px;
  transition:transform .22s var(--ease),border-color .22s,background .22s;
}
.ask:hover,.ask:focus-visible{transform:translateX(5px);border-color:var(--amber);outline:none;}
.ask__k{font-family:var(--num);font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--amber);}
.ask__h{font-family:var(--serif);font-size:1.26rem;}
.ask__d{color:#43464b;font-size:.98rem;line-height:1.46;}
.ask.is-open{background:#fff;border-color:var(--amber);}
.ask.is-open .ask__d{color:var(--ink);}

/* ---- golden circle: ring tap ---------------------------------------------*/
.ring{transition:opacity .3s var(--ease);}
.ring-tip{font-family:var(--serif);font-style:italic;font-size:1.1rem;color:var(--ink);margin:14px 0 0;}
.sg-meta{font-family:var(--num);font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--dim);}

/* ---- the message ---------------------------------------------------------*/
/* the message slide has no art: it is a full-bleed reading page. Top-aligned
   and scrollable so the full ~1044-character text is never clipped; type is
   tightened so it fits on a standard slide with little or no scrolling. */
.slide--message{align-items:flex-start;}
.slide--message .slide__inner{
  width:100%;max-width:1040px;margin:0 auto;align-self:flex-start;
  height:100%;overflow:auto;
  padding:48px 10vw 74px;
}
.slide--message .ms__text{font-size:clamp(1rem,1.32vw,1.16rem);line-height:1.5;}
.slide--message .ms__p{padding:9px 0 9px 86px;}
.slide--message .ms__tag{top:13px;}
.ms{width:100%;}
.ms__bar{display:flex;align-items:baseline;gap:10px;margin-bottom:16px;}
.ms__count{font-family:var(--num);font-size:2.5rem;font-weight:700;line-height:1;color:var(--amber);}
.ms__unit{font-family:var(--num);font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--dim);}
.ms__copy{
  margin-left:auto;font-family:var(--ui);font-size:13px;padding:8px 16px;
  border:1.4px solid var(--ink);background:none;color:var(--ink);cursor:pointer;
  transition:background .2s,color .2s,border-color .2s;
}
.ms__copy:hover{border-color:var(--amber);color:var(--amber);}
.ms__copy.done{background:var(--amber);border-color:var(--amber);color:#fff;}
.ms__text{font-size:clamp(1.04rem,1.55vw,1.32rem);line-height:1.62;}
.ms__p{position:relative;padding:11px 0 11px 92px;border-bottom:1px solid var(--line);}
.ms__p:last-child{border-bottom:none;}
.ms__tag{
  position:absolute;left:0;top:16px;
  font-family:var(--num);font-size:11px;letter-spacing:.12em;color:var(--dim);
}
.ms__p[data-tag="WHY"] .ms__tag{color:var(--t-why);}
.ms__p[data-tag="HOW"] .ms__tag{color:var(--t-how);}
.ms__p[data-tag="WHAT"] .ms__tag{color:var(--t-what);}
.ms__p[data-tag="ASK"] .ms__tag{color:var(--t-ask);}
.ms__p[data-tag="CLOSE"] .ms__tag{color:var(--t-close);}

/* ---- close: cue card ------------------------------------------------------*/
.card{
  margin-top:30px;max-width:30ch;
  background:rgba(251,249,245,.08);border:1px solid var(--night-edge);
  padding:18px 20px;border-radius:4px;
}
.slide[data-theme="dark"] .card{backdrop-filter:blur(2px);}
.card__h{font-family:var(--num);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--amber-hi);margin:0 0 12px;}
.card__list{list-style:none;margin:0;padding:0;counter-reset:c;}
.card__list li{display:grid;grid-template-columns:auto 1fr;gap:4px 12px;padding:7px 0;border-top:1px solid var(--night-edge);}
.card__list li:first-child{border-top:none;}
.card__list b{font-family:var(--serif);font-size:1.12rem;color:var(--white);}
.card__list span{font-family:var(--serif);font-size:1.02rem;color:#cfc9bd;}

/* svg text that the inliner rewired into classes */
.fig text{font-family:var(--serif);}
.fig text.num{font-family:var(--num);}

/* ---- responsive -----------------------------------------------------------*/
@media (max-width:760px){
  .slide{flex-direction:column;align-items:stretch;justify-content:center;}
  .slide__inner{order:2;width:100%;max-width:none;padding:32px 7vw 96px;
    max-height:100%;overflow-y:auto;}
  .slide--message .slide__inner{overflow-y:auto;}
  .slide__art{order:1;width:100%;height:34vh;flex:none;}
  .slide[data-theme="dark"] .slide__art{height:100%;}
  .slide[data-theme="dark"] .slide__inner{width:100%;}
  .slide[data-theme="dark"]::after{
    background:linear-gradient(180deg,
      rgba(10,11,14,.55) 0%, rgba(10,11,14,.78) 60%, rgba(10,11,14,.92) 100%);}
  .facts{grid-template-columns:1fr 1fr;gap:18px 24px;}
  .topbar__course{display:none;}
}