/* ============================================================
   GRAND MISSION RAW MATERIALS IMPORT — "The Mission Log"
   A dark expedition ledger: deep emerald canvas, crystal-mint
   and copper accents from the logo's faceted arrow.
   Chapters, not sections. A spec-sheet, not cards.
   ============================================================ */
:root{
  --bg:#07251E;      --bg-2:#093028;     --panel:#0D3A2F;
  --line:rgba(127,219,184,.16);
  --mint:#4FD6AE;    --mint-deep:#1E8A68;
  --copper:#C98B66;  --copper-deep:#9C6647;
  --text:#E9F4EF;    --dim:#9DB9AE;      --faint:#6E8B80;
  --grad:linear-gradient(100deg,#4FD6AE 10%,#9BE3C8 45%,#C98B66 90%);
  --ff-display:"Space Grotesk","Readex Pro",sans-serif;
  --ff-body:"Inter","Readex Pro",sans-serif;
  --maxw:1140px;
}
html[dir=rtl]{
  --ff-display:"Readex Pro","Space Grotesk",sans-serif;
  --ff-body:"Readex Pro","Inter",sans-serif;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:76px}
body{
  font-family:var(--ff-body);color:var(--text);background:var(--bg);
  line-height:1.7;font-size:16.5px;-webkit-font-smoothing:antialiased;
}
html[dir=rtl] body{line-height:1.95}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
button{font-family:inherit}
.wrap{max-width:var(--maxw);margin-inline:auto;padding-inline:24px}

h1,h2,h3{font-family:var(--ff-display);font-weight:700;line-height:1.1;letter-spacing:-.01em}
html[dir=rtl] h1,html[dir=rtl] h2,html[dir=rtl] h3{line-height:1.45;letter-spacing:0}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* faint topographic grid over the whole canvas */
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;opacity:.5;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='560' height='560' viewBox='0 0 560 560'%3E%3Cg fill='none' stroke='%234FD6AE' stroke-opacity='.05' stroke-width='1'%3E%3Ccircle cx='280' cy='280' r='250'/%3E%3Ccircle cx='280' cy='280' r='180'/%3E%3Ccircle cx='280' cy='280' r='110'/%3E%3Cpath d='M280 10 C 420 150 420 410 280 550 M280 10 C 140 150 140 410 280 550 M10 280 H550'/%3E%3C/g%3E%3C/svg%3E");
  background-size:560px 560px;
}
main,header,footer{position:relative;z-index:1}

/* ---------- masthead: minimal bar + chapter progress ---------- */
.mast{
  position:fixed;top:0;left:0;right:0;z-index:80;
  background:rgba(7,37,30,.82);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.mast .wrap{display:flex;align-items:center;justify-content:space-between;min-height:68px;gap:16px}
.brand{display:flex;align-items:center;gap:12px;min-width:0}
.brand img{height:42px;width:auto}
.brand .b-name{font-family:var(--ff-display);font-weight:700;font-size:1rem;line-height:1.15;display:block;white-space:nowrap}
.brand .b-sub{display:block;font-size:.6rem;letter-spacing:.22em;text-transform:uppercase;color:var(--mint);font-weight:500;margin-top:2px}
html[dir=rtl] .brand .b-sub{letter-spacing:.02em;font-size:.7rem}
.mast-right{display:flex;align-items:center;gap:10px}
.chapter-tag{
  font-family:var(--ff-display);font-size:.72rem;letter-spacing:.18em;text-transform:uppercase;
  color:var(--dim);display:none;
}
html[dir=rtl] .chapter-tag{letter-spacing:.02em}
@media(min-width:861px){.chapter-tag{display:block}}
.lang-btn{
  font-family:"Readex Pro","Space Grotesk",sans-serif;font-weight:600;font-size:.85rem;
  border:1px solid var(--line);color:var(--text);background:transparent;
  padding:8px 16px;border-radius:6px;cursor:pointer;transition:.2s;
}
.lang-btn:hover{border-color:var(--mint);color:var(--mint)}
.mail-cta{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--ff-display);font-weight:600;font-size:.8rem;letter-spacing:.06em;
  background:var(--mint);color:#06352A;padding:10px 18px;border-radius:6px;transition:.2s;
}
html[dir=rtl] .mail-cta{letter-spacing:0;font-size:.88rem}
.mail-cta:hover{background:var(--copper);color:#3A2415;transform:translateY(-1px)}
.mail-cta svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:2}
.progress{position:absolute;left:0;right:0;bottom:-1px;height:2px;background:transparent}
.progress i{display:block;height:100%;width:0;background:var(--grad);transition:width .2s ease-out}

/* ---------- chapters ---------- */
.chapter{min-height:100vh;display:flex;align-items:center;padding:120px 0 90px;position:relative;border-bottom:1px solid var(--line)}
.chapter > .wrap{width:100%}
.ch-head{display:flex;align-items:baseline;gap:18px;margin-bottom:40px}
.ch-num{
  font-family:var(--ff-display);font-weight:700;font-size:.85rem;letter-spacing:.2em;
  color:var(--copper);border:1px solid var(--copper-deep);border-radius:999px;padding:6px 16px;white-space:nowrap;
}
html[dir=rtl] .ch-num{letter-spacing:.04em}
.ch-head h2{font-size:clamp(2rem,4.6vw,3.4rem)}
.ch-lead{color:var(--dim);max-width:640px;margin-top:-26px;margin-bottom:44px;font-size:1.05rem}

/* ---------- cover (chapter 00) ---------- */
.cover{min-height:100vh;display:flex;align-items:center;position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.cover-bg{position:absolute;inset:0;z-index:0}
.cover-bg .media{position:absolute;inset:0;border:0;background:transparent}
.cover-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,37,30,.55),rgba(7,37,30,.92) 70%,var(--bg))}
.cover .wrap{position:relative;z-index:2;display:grid;grid-template-columns:1.2fr .8fr;gap:48px;align-items:center;padding-top:90px}
.cover-kicker{
  display:inline-flex;align-items:center;gap:12px;font-family:var(--ff-display);
  font-size:.78rem;letter-spacing:.26em;text-transform:uppercase;color:var(--mint);font-weight:500;
}
html[dir=rtl] .cover-kicker{letter-spacing:.03em}
.cover-kicker::before{content:"";width:36px;height:1px;background:var(--mint)}
.cover h1{font-size:clamp(2.6rem,6.4vw,4.8rem);margin:24px 0 22px}
.cover p.lead{color:var(--dim);font-size:1.16rem;max-width:560px}
.cover-actions{display:flex;gap:18px;margin-top:38px;flex-wrap:wrap;align-items:center}
.btn-solid{
  display:inline-flex;align-items:center;gap:10px;font-family:var(--ff-display);font-weight:600;
  font-size:.86rem;letter-spacing:.08em;text-transform:uppercase;border-radius:8px;cursor:pointer;border:0;
  background:var(--mint);color:#06352A;padding:16px 30px;transition:.22s;
}
html[dir=rtl] .btn-solid{letter-spacing:0;font-size:.95rem}
.btn-solid:hover{background:#7FE5C6;transform:translateY(-2px)}
.btn-line{
  display:inline-flex;align-items:center;gap:10px;font-family:var(--ff-display);font-weight:600;
  font-size:.86rem;letter-spacing:.08em;text-transform:uppercase;border-radius:8px;cursor:pointer;
  background:transparent;color:var(--text);padding:15px 28px;border:1px solid var(--line);transition:.22s;
}
html[dir=rtl] .btn-line{letter-spacing:0;font-size:.95rem}
.btn-line:hover{border-color:var(--copper);color:var(--copper)}

/* rotating mission badge around the emblem */
.cover-emblem{position:relative;display:grid;place-items:center;justify-self:center}
.cover-emblem > img{width:min(300px,56vw);height:auto;filter:drop-shadow(0 24px 60px rgba(0,0,0,.5))}
.badge-spin{position:absolute;width:130%;height:auto;aspect-ratio:1;animation:spin 28s linear infinite}
.badge-spin text{
  font-family:var(--ff-display);font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;
  fill:var(--faint);font-weight:500;
}
html[dir=rtl] .badge-spin text{letter-spacing:.12em;font-size:13px}
@keyframes spin{to{transform:rotate(360deg)}}
.scroll-cue{
  position:absolute;bottom:26px;left:50%;transform:translateX(-50%);z-index:2;
  display:flex;flex-direction:column;align-items:center;gap:8px;color:var(--faint);
  font-size:.68rem;letter-spacing:.3em;text-transform:uppercase;font-family:var(--ff-display);
}
html[dir=rtl] .scroll-cue{letter-spacing:.06em}
.scroll-cue::after{content:"";width:1px;height:42px;background:linear-gradient(var(--mint),transparent);animation:cue 1.8s ease infinite}
@keyframes cue{0%{transform:scaleY(0);transform-origin:top}45%{transform:scaleY(1);transform-origin:top}55%{transform:scaleY(1);transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}

/* ---------- 01 the mission: manifesto ---------- */
.creed{display:grid;gap:0;counter-reset:creed}
.creed-line{
  display:grid;grid-template-columns:120px 1fr;gap:30px;align-items:start;
  padding:38px 4px;border-top:1px solid var(--line);
}
.creed-line:last-child{border-bottom:1px solid var(--line)}
.creed-line .c-idx{
  font-family:var(--ff-display);font-weight:700;font-size:2.6rem;line-height:1;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;opacity:.9;
}
.creed-line h3{font-size:clamp(1.25rem,2.6vw,1.8rem);margin-bottom:10px}
.creed-line p{color:var(--dim);max-width:680px}
.name-story{
  margin-top:46px;padding:28px 32px;border:1px solid var(--line);border-radius:14px;
  background:linear-gradient(135deg,rgba(79,214,174,.06),rgba(201,139,102,.06));
  font-size:1.04rem;max-width:840px;
}
.name-story b{color:var(--mint);font-family:var(--ff-display)}

/* ---------- 02 the cargo: spec-sheet tabs ---------- */
.cargo{display:grid;grid-template-columns:340px 1fr;gap:0;border:1px solid var(--line);border-radius:16px;overflow:hidden;background:var(--bg-2)}
.cargo-list{display:flex;flex-direction:column;border-inline-end:1px solid var(--line)}
.cargo-tab{
  display:flex;align-items:center;gap:14px;text-align:start;background:transparent;border:0;cursor:pointer;
  padding:20px 22px;border-bottom:1px solid var(--line);color:var(--dim);transition:.2s;
  font-family:var(--ff-display);font-weight:600;font-size:.95rem;
}
.cargo-tab:last-child{border-bottom:0}
.cargo-tab .t-idx{font-size:.72rem;color:var(--faint);letter-spacing:.14em;min-width:26px}
html[dir=rtl] .cargo-tab .t-idx{letter-spacing:.02em}
.cargo-tab:hover{color:var(--text);background:rgba(79,214,174,.05)}
.cargo-tab.active{color:var(--mint);background:rgba(79,214,174,.08);box-shadow:inset 3px 0 0 var(--mint)}
html[dir=rtl] .cargo-tab.active{box-shadow:inset -3px 0 0 var(--mint)}
.cargo-panel{padding:34px 38px;display:grid;grid-template-columns:1fr 280px;gap:32px;align-items:start}
.cargo-panel h3{font-size:clamp(1.4rem,3vw,2rem);margin-bottom:14px}
.cargo-panel p{color:var(--dim)}
.spec-table{margin-top:24px;border-top:1px solid var(--line)}
.spec-row{display:grid;grid-template-columns:150px 1fr;gap:18px;padding:12px 2px;border-bottom:1px solid var(--line);font-size:.92rem}
.spec-row b{color:var(--faint);font-weight:500;font-family:var(--ff-display);font-size:.74rem;letter-spacing:.16em;text-transform:uppercase;padding-top:3px}
html[dir=rtl] .spec-row b{letter-spacing:.02em;font-size:.84rem}
.cargo-media .media{border-radius:12px}
.cargo-note{margin-top:22px;font-size:.85rem;color:var(--faint);display:flex;gap:10px}
.cargo-note::before{content:"※";color:var(--copper)}

/* ---------- 03 the route: animated convoy line ---------- */
.route{display:grid;grid-template-columns:repeat(5,1fr);gap:0;margin-top:10px}
.r-step{position:relative;padding:30px 18px 6px;}
.r-step::before{ /* the line */
  content:"";position:absolute;top:9px;inset-inline-start:0;width:100%;height:2px;
  background:repeating-linear-gradient(90deg,var(--mint-deep) 0 8px,transparent 8px 16px);
  background-size:32px 2px;animation:convoy 1.6s linear infinite;opacity:.7;
}
html[dir=rtl] .r-step::before{animation-name:convoy-rtl}
@keyframes convoy{to{background-position:32px 0}}
@keyframes convoy-rtl{to{background-position:-32px 0}}
.r-step::after{ /* the node */
  content:"";position:absolute;top:3px;inset-inline-start:0;width:14px;height:14px;border-radius:50%;
  background:var(--bg);border:2px solid var(--mint);box-shadow:0 0 0 4px rgba(79,214,174,.12);
}
.r-step:last-child::before{background:none;animation:none}
.r-step:last-child::after{background:var(--copper);border-color:var(--copper)}
.r-step .r-idx{
  font-family:var(--ff-display);font-size:.7rem;letter-spacing:.2em;color:var(--copper);
  text-transform:uppercase;display:block;margin-bottom:8px;
}
html[dir=rtl] .r-step .r-idx{letter-spacing:.03em}
.r-step h3{font-size:1.06rem;margin-bottom:8px}
.r-step p{font-size:.86rem;color:var(--dim)}
.route-media{margin-top:52px}
.route-media .media{border-radius:16px}

/* ---------- 04 the standard ---------- */
.std-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.std{
  border:1px solid var(--line);border-radius:14px;padding:28px;display:flex;gap:18px;align-items:flex-start;
  background:rgba(13,58,47,.4);transition:.25s;
}
.std:hover{border-color:rgba(79,214,174,.4);transform:translateY(-3px)}
.std .s-check{
  flex:0 0 34px;width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--mint-deep),var(--mint));color:#06352A;font-weight:700;
}
.std h3{font-size:1.08rem;margin-bottom:6px}
.std p{font-size:.9rem;color:var(--dim)}
.stats{display:flex;margin-top:54px;border-block:1px solid var(--line);flex-wrap:wrap}
.stat{flex:1 1 200px;padding:26px 22px;border-inline-end:1px solid var(--line)}
.stat:last-child{border-inline-end:0}
.stat b{
  font-family:var(--ff-display);font-weight:700;font-size:clamp(2.2rem,4.6vw,3.2rem);line-height:1;display:block;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat span{font-size:.78rem;color:var(--dim);letter-spacing:.1em;text-transform:uppercase}
html[dir=rtl] .stat span{letter-spacing:.02em}
.fineprint{font-size:.74rem;color:var(--faint);margin-top:12px}

/* ---------- 05 the line: email only ---------- */
.line-ch{text-align:center}
.line-ch .ch-head{justify-content:center}
.line-ch .ch-lead{margin-inline:auto}
.big-mail{
  font-family:var(--ff-display);font-weight:700;font-size:clamp(1.5rem,5.4vw,3.6rem);letter-spacing:-.01em;
  direction:ltr;unicode-bidi:embed;display:inline-block;margin:18px 0 30px;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  border-bottom:2px solid rgba(201,139,102,.5);padding-bottom:10px;transition:.25s;
}
.big-mail:hover{border-bottom-color:var(--mint)}
.line-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;margin-top:8px}
.line-meta{
  display:flex;gap:0;justify-content:center;margin-top:56px;border-block:1px solid var(--line);flex-wrap:wrap;
}
.lm{padding:22px 34px;border-inline-end:1px solid var(--line);min-width:200px}
.lm:last-child{border-inline-end:0}
.lm b{font-family:var(--ff-display);font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;color:var(--copper);display:block;margin-bottom:6px}
html[dir=rtl] .lm b{letter-spacing:.03em;font-size:.82rem}
.lm span{color:var(--dim);font-size:.95rem}
.line-note{margin-top:34px;color:var(--faint);font-size:.86rem}

/* ---------- footer ---------- */
footer{border-top:1px solid var(--line);padding:34px 0;color:var(--faint);font-size:.82rem}
footer .wrap{display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap}
footer img{height:40px;width:auto;opacity:.85}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(30px);transition:opacity .85s cubic-bezier(.22,.61,.21,1),transform .85s cubic-bezier(.22,.61,.21,1);transition-delay:var(--rd,0s)}
.reveal.in{opacity:1;transform:none}

/* ---------- media placeholders ---------- */
.media{position:relative;overflow:hidden;background:var(--panel);border:1px solid var(--line)}
.media.ratio-169{aspect-ratio:16/9}
.media.ratio-43{aspect-ratio:4/3}
.media .bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:0;transition:opacity .6s}
.media.loaded .bg{opacity:1}
.media .ph{
  position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;
  border:1px dashed var(--copper-deep);margin:10px;text-align:center;padding:14px;
  color:var(--copper);font-size:.78rem;border-radius:10px;
}
.media.loaded .ph{display:none}
.media .ph svg{width:28px;height:28px;fill:none;stroke:var(--copper);stroke-width:1.5}
.media .ph b{font-family:monospace;font-size:.8rem;direction:ltr;unicode-bidi:embed}
.cover-bg .ph{border:0;color:var(--faint)}

/* ---------- intro: the crystal is cut ---------- */
#intro{
  position:fixed;inset:0;z-index:200;background:var(--bg);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:24px;
  animation:introLift .7s cubic-bezier(.7,0,.3,1) 2.05s forwards;
}
#intro.skip{animation:none;opacity:0;visibility:hidden;transition:opacity .25s}
body.intro-lock{overflow:hidden}
#intro .in-arcs{width:min(440px,86vw);height:auto;position:absolute;opacity:.9}
#intro .in-arcs path,#intro .in-arcs circle{
  stroke-dasharray:1;stroke-dashoffset:1;animation:dash 1s cubic-bezier(.4,0,.2,1) forwards;
}
#intro .in-arcs .a1{animation-delay:.05s}
#intro .in-arcs .a2{animation-delay:.18s}
#intro .in-arcs .a3{animation-delay:.32s}
#intro .in-arcs .arrow{animation-delay:.58s;animation-duration:.75s}
#intro img{
  width:min(190px,42vw);height:auto;opacity:0;
  animation:crystalIn .7s cubic-bezier(.18,.9,.32,1.2) .8s forwards;
  filter:drop-shadow(0 18px 44px rgba(0,0,0,.55));
}
#intro .in-name{font-family:var(--ff-display);font-weight:700;font-size:1.3rem;text-align:center;opacity:0;animation:fadeUp .6s ease 1.2s forwards}
#intro .in-name span{
  display:block;font-family:var(--ff-display);font-size:.62rem;letter-spacing:.32em;text-transform:uppercase;
  color:var(--mint);margin-top:8px;font-weight:500;
}
html[dir=rtl] #intro .in-name span{letter-spacing:.04em;font-size:.8rem}
@keyframes dash{to{stroke-dashoffset:0}}
@keyframes crystalIn{from{opacity:0;transform:scale(.5) rotate(-8deg)}to{opacity:1;transform:scale(1) rotate(0)}}
@keyframes fadeUp{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
@keyframes introLift{to{transform:translateY(-100%);visibility:hidden}}
body.has-intro .cover .wrap > * ,body.has-intro .scroll-cue{opacity:0;animation:fadeUp .8s cubic-bezier(.22,.61,.21,1) forwards}
body.has-intro .cover .wrap > :nth-child(1){animation-delay:1.95s}
body.has-intro .cover .wrap > :nth-child(2){animation-delay:2.2s}
body.has-intro .scroll-cue{animation-delay:2.5s}

/* ---------- send finale ---------- */
.flight{position:fixed;z-index:300;width:36px;height:36px;pointer-events:none;color:var(--mint)}
.flight svg{width:100%;height:100%;fill:currentColor;filter:drop-shadow(0 4px 12px rgba(79,214,174,.5))}
.copied-pop{
  position:fixed;z-index:300;font-family:var(--ff-display);font-size:.8rem;letter-spacing:.08em;
  background:var(--mint);color:#06352A;padding:8px 16px;border-radius:999px;pointer-events:none;
  animation:popUp 1.4s ease forwards;
}
@keyframes popUp{0%{opacity:0;transform:translateY(6px)}15%{opacity:1;transform:translateY(0)}80%{opacity:1}100%{opacity:0;transform:translateY(-10px)}}

/* ---------- responsive ---------- */
@media(max-width:980px){
  .cover .wrap{grid-template-columns:1fr;gap:40px;padding-top:120px}
  .cover-emblem{order:-1}
  .cover-emblem > img{width:min(210px,46vw)}
  .cargo{grid-template-columns:1fr}
  .cargo-list{flex-direction:row;overflow-x:auto;border-inline-end:0;border-bottom:1px solid var(--line)}
  .cargo-tab{border-bottom:0;border-inline-end:1px solid var(--line);white-space:nowrap;padding:16px 18px}
  .cargo-tab.active{box-shadow:inset 0 -3px 0 var(--mint)}
  html[dir=rtl] .cargo-tab.active{box-shadow:inset 0 -3px 0 var(--mint)}
  .cargo-panel{grid-template-columns:1fr;padding:26px 22px}
  .route{grid-template-columns:1fr;gap:6px}
  .r-step{padding:6px 0 22px 34px}
  html[dir=rtl] .r-step{padding:6px 34px 22px 0}
  .r-step::before{top:0;inset-inline-start:6px;width:2px;height:100%;
    background:repeating-linear-gradient(180deg,var(--mint-deep) 0 8px,transparent 8px 16px);
    background-size:2px 32px;animation-name:convoy-v}
  .r-step::after{top:0}
  .std-grid{grid-template-columns:1fr}
  .creed-line{grid-template-columns:64px 1fr;gap:18px}
  .creed-line .c-idx{font-size:1.8rem}
}
@keyframes convoy-v{to{background-position:0 32px}}
@media(max-width:640px){
  .chapter{padding:96px 0 64px}
  .mail-cta span{display:none}
  .mail-cta{padding:10px 12px}
  .lm{min-width:140px;padding:18px 20px}
  .brand .b-name{font-size:.88rem}
}

/* ---------- motion safety ---------- */
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
  #intro{display:none}
  body.has-intro .cover .wrap > *,body.has-intro .scroll-cue{opacity:1;animation:none}
  .flight{display:none}
}