/* ==========================================================
   AURIVA — design system & components
   Picture-book world: cream paper, rounded shapes, soft color
   ========================================================== */
:root{
  --bg:#fffbf3; --paper:#ffffff; --ink:#1f4654; --deep:#0f4c5c; --muted:#58727d;
  --teal:#0aa2b8; --teal-d:#0a7f94; --teal-dd:#08657a; --sky:#e0f5fa; --sky-d:#b9e6f1;
  --green:#5cd68f; --green-d:#2fa968; --mint:#e5f8ed; --mint-d:#bfeccf;
  --sun:#ffc93c; --sun-d:#e0a512; --butter:#fff2c9;
  --coral:#ff9f62; --coral-d:#e87f3b; --peach:#ffe8d6;
  --pink:#ff8fab; --line:#f0e6d2;
  --r-s:14px; --r-m:24px; --r-l:36px;
  --shadow:0 4px 0 rgba(15,76,92,.07), 0 18px 36px -12px rgba(15,76,92,.16);
  --shadow-lg:0 6px 0 rgba(15,76,92,.07), 0 30px 60px -18px rgba(15,76,92,.24);
  --font-d:'Fredoka','Trebuchet MS','Segoe UI',system-ui,sans-serif;
  --font-b:'Nunito','Segoe UI',system-ui,sans-serif;
  --header-h:88px;
  --ease:cubic-bezier(.22,1,.36,1); --bounce:cubic-bezier(.34,1.56,.64,1);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 16px);-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font-b);font-size:1.125rem;line-height:1.7;color:var(--ink);background:var(--bg);overflow-x:hidden}
img,svg{max-width:100%;display:block}
a{color:var(--teal-dd);text-underline-offset:3px}
h1,h2,h3,h4{font-family:var(--font-d);color:var(--deep);line-height:1.12;margin:0 0 .5em;font-weight:600}
h1{font-size:clamp(2.5rem,6.2vw,4.4rem);font-weight:700;letter-spacing:.005em}
.av{letter-spacing:.07em}
h2{font-size:clamp(1.9rem,4vw,3rem)}
h3{font-size:clamp(1.25rem,2.2vw,1.55rem)}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0}
:focus-visible{outline:4px solid var(--sun);outline-offset:3px;border-radius:8px}
::selection{background:var(--sun);color:var(--deep)}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip-link{position:absolute;left:12px;top:-60px;background:var(--deep);color:#fff;padding:10px 18px;border-radius:999px;z-index:200;transition:top .2s}
.skip-link:focus{top:12px}

.container{width:min(1160px,100% - 40px);margin-inline:auto}
.narrow{width:min(820px,100% - 40px);margin-inline:auto}
.section{position:relative;padding:clamp(64px,9vw,110px) 0}
.section--sky{background:var(--sky)}
.section--mint{background:var(--mint)}
.section--butter{background:var(--butter)}
.section--peach{background:var(--peach)}
.center{text-align:center}
.lead{font-size:clamp(1.15rem,1.8vw,1.35rem);color:var(--muted);max-width:60ch}
.center .lead{margin-inline:auto}
.eyebrow{display:inline-flex;align-items:center;gap:.5em;font-family:var(--font-d);font-weight:500;font-size:1rem;background:var(--paper);color:var(--teal-dd);padding:.35em 1em;border-radius:999px;box-shadow:0 3px 0 var(--sky-d);margin-bottom:1.1rem}
.hl{position:relative;display:inline-block;color:var(--teal-d);z-index:0}
.hl::after{content:"";position:absolute;left:-.1em;right:-.1em;bottom:.04em;height:.34em;background:var(--sun);border-radius:999px;z-index:-1;opacity:.85;transform-origin:left;transform:scaleX(var(--hl,1))}
.wave{display:block;line-height:0;margin-top:-1px}
.wave svg{width:100%;height:clamp(36px,6vw,80px)}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:100;padding:14px 0;view-transition-name:site-header}
.nav{display:flex;align-items:center;gap:10px;background:rgba(255,255,255,.88);backdrop-filter:blur(14px) saturate(1.4);-webkit-backdrop-filter:blur(14px) saturate(1.4);border-radius:999px;padding:8px 10px 8px 14px;box-shadow:0 4px 0 rgba(15,76,92,.06),0 14px 30px -10px rgba(15,76,92,.18);transition:box-shadow .3s,transform .3s var(--ease)}
.site-header.scrolled .nav{box-shadow:0 4px 0 rgba(15,76,92,.07),0 18px 36px -10px rgba(15,76,92,.28)}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-family:var(--font-d);font-weight:700;font-size:1.6rem;color:var(--teal-dd);letter-spacing:.01em;margin-right:auto}
.brand img{width:46px;height:46px;transition:transform .5s var(--bounce)}
.brand:hover img{transform:rotate(-12deg) scale(1.12)}
.brand span b{color:var(--green-d);font-weight:700}
.nav-links{display:flex;gap:2px;list-style:none;align-items:center}
.nav-links a{position:relative;display:block;white-space:nowrap;padding:.5em .8em;border-radius:999px;font-family:var(--font-d);font-weight:500;font-size:1.02rem;color:var(--deep);text-decoration:none;transition:background .25s,transform .25s var(--bounce),color .25s}
.nav-links a:hover{background:var(--sky);transform:translateY(-2px) rotate(-1.5deg)}
.nav-links a[aria-current="page"]{background:var(--teal-d);color:#fff;box-shadow:0 3px 0 var(--teal-dd)}
.icon-btn{display:grid;place-items:center;width:46px;height:46px;border:0;border-radius:50%;background:var(--butter);color:var(--deep);cursor:pointer;font-size:1.2rem;transition:transform .3s var(--bounce),background .2s;flex:none}
.icon-btn:hover{transform:scale(1.12) rotate(-6deg);background:var(--sun)}
.icon-btn:active{transform:scale(.92)}
.icon-btn svg{width:22px;height:22px}
.icon-btn[aria-pressed="true"]{background:var(--mint-d)}
.nav-toggle{display:none}

/* scroll progress */
.progress{position:fixed;inset:0 0 auto 0;height:7px;z-index:150;pointer-events:none}
.progress i{display:block;height:100%;width:calc(var(--scroll,0) * 100%);background:linear-gradient(90deg,var(--teal),var(--green),var(--sun));border-radius:0 99px 99px 0}
.progress i::after{content:"🌱";position:absolute;top:-2px;left:calc(var(--scroll,0) * 100%);transform:translateX(-50%);font-size:18px;line-height:1}

/* ---------- Buttons & chips ---------- */
.btn{--b:var(--teal-d);--bd:var(--teal-dd);--c:#fff;position:relative;display:inline-flex;align-items:center;justify-content:center;gap:.55em;min-height:52px;padding:.7em 1.6em;border:0;border-radius:999px;background:var(--b);color:var(--c);font-family:var(--font-d);font-weight:600;font-size:1.1rem;text-decoration:none;cursor:pointer;box-shadow:0 6px 0 var(--bd),0 14px 24px -8px rgba(15,76,92,.35);transition:transform .25s var(--bounce),box-shadow .2s;-webkit-tap-highlight-color:transparent;user-select:none}
.btn:hover{transform:translateY(-3px) scale(1.04) rotate(-.6deg)}
.btn:active{transform:translateY(5px) scale(.97);box-shadow:0 1px 0 var(--bd),0 4px 8px -4px rgba(15,76,92,.3)}
.btn .arr{display:inline-block;transition:transform .3s var(--bounce)}
.btn:hover .arr{transform:translateX(5px)}
.btn--sun{--b:var(--sun);--bd:var(--sun-d);--c:var(--deep)}
.btn--green{--b:var(--green-d);--bd:#1f8450;--c:#fff}
.btn--ghost{--b:#fff;--bd:var(--sky-d);--c:var(--teal-dd)}
.btn--sm{min-height:44px;padding:.5em 1.2em;font-size:1rem;box-shadow:0 4px 0 var(--bd),0 10px 18px -8px rgba(15,76,92,.3)}
.btn[disabled]{--b:#e9e3d3;--bd:#d6cfba;--c:#8a8571;cursor:not-allowed;transform:none}
.btn-row{display:flex;flex-wrap:wrap;gap:16px;margin-top:1.6rem}
.center .btn-row{justify-content:center}
.chip{display:inline-flex;align-items:center;gap:.4em;padding:.25em .85em;border-radius:999px;font-family:var(--font-d);font-weight:500;font-size:.92rem;background:var(--sky);color:var(--teal-dd)}
.chip--done{background:var(--mint-d);color:#17673c}
.chip--now{background:var(--butter);color:#8a5a00}
.chip--soon{background:var(--peach);color:#9a4b13}
.chip--tbc{background:#f1ecdf;color:#6c6552}
.spark{position:fixed;pointer-events:none;z-index:300;width:14px;height:14px;margin:-7px 0 0 -7px}

/* ---------- Hero ---------- */
.hero{position:relative;padding:clamp(24px,4vw,56px) 0 clamp(72px,10vw,120px);overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(24px,4vw,64px);align-items:center}
.hero h1 .hl{white-space:nowrap}
.hero .lead{margin-bottom:0}
.hero-facts{display:grid;grid-template-columns:repeat(3,auto);justify-content:start;gap:14px 36px;margin-top:2.2rem;list-style:none}
.hero-facts li{display:block;padding-left:16px;border-left:5px solid var(--sun);border-radius:3px}
.hero-facts li:nth-child(2){border-color:var(--green)}.hero-facts li:nth-child(3){border-color:var(--coral)}
.hero-facts b{display:block;font-family:var(--font-d);font-size:2.2rem;color:var(--teal-d);line-height:1.05}
.hero-facts span{display:block;font-size:.95rem;line-height:1.25;color:var(--muted);max-width:15ch;margin-top:4px}
.scene{position:relative;aspect-ratio:1/1;width:min(100%,540px);margin-inline:auto}
.scene-blob{position:absolute;inset:6% 4% 2%;background:var(--sky);border-radius:46% 54% 52% 48% / 52% 46% 54% 48%}
.scene-hill{position:absolute;left:8%;right:8%;bottom:6%;height:30%;background:var(--green);border-radius:50% 50% 46% 46% / 70% 70% 30% 30%;box-shadow:inset 0 -14px 0 rgba(0,0,0,.06)}
.scene .mascot{position:absolute;left:30%;bottom:13%;width:40%}
.sun{position:absolute;top:7%;right:9%;width:20%;aspect-ratio:1}
.sun::before{content:"";position:absolute;inset:18%;border-radius:50%;background:var(--sun);box-shadow:0 0 0 8px rgba(255,201,60,.3)}
.sun svg{width:100%;height:100%;position:absolute;inset:0}
.cloud{position:absolute;width:24%;opacity:.95}
.cloud--a{top:14%;left:6%}.cloud--b{top:30%;right:2%;width:17%}
.block{position:absolute;display:grid;place-items:center;width:15%;aspect-ratio:1;border-radius:18%;font-family:var(--font-d);font-weight:700;font-size:clamp(1.6rem,4.4vw,2.6rem);color:#fff;box-shadow:0 6px 0 rgba(0,0,0,.14)}
.block--a{left:7%;bottom:30%;background:var(--coral);transform:rotate(-10deg)}
.block--b{right:7%;bottom:26%;background:var(--teal);transform:rotate(8deg)}
.block--c{left:19%;bottom:15%;background:var(--sun);color:var(--deep);transform:rotate(4deg);width:12%}
.sticker{position:absolute;width:15%;aspect-ratio:1;background:#fff;border-radius:50%;padding:3%;box-shadow:0 5px 0 rgba(15,76,92,.1),0 12px 20px -8px rgba(15,76,92,.3)}
.sticker img{width:100%;height:100%;object-fit:contain}
.sticker--1{top:28%;left:2%}.sticker--2{top:10%;left:36%}.sticker--3{top:44%;right:0}.sticker--4{top:2%;right:34%;display:none}
.star{position:absolute;color:var(--sun);font-size:1.6rem;line-height:1}

/* ---------- Page header (inner pages) ---------- */
.page-hero{position:relative;padding:clamp(28px,5vw,64px) 0 clamp(36px,5vw,56px);overflow:hidden}
.page-hero-grid{display:grid;grid-template-columns:1fr auto;gap:32px;align-items:center}
.crumbs{display:flex;flex-wrap:wrap;gap:8px;list-style:none;font-family:var(--font-d);font-size:.98rem;margin-bottom:1rem;color:var(--muted)}
.crumbs a{color:var(--teal-dd);text-decoration:none}.crumbs a:hover{text-decoration:underline}
.crumbs li+li::before{content:"›";margin-right:8px;color:var(--sun-d);font-weight:700}
.page-hero .mascot{width:clamp(120px,18vw,190px)}

/* ---------- Mascot ---------- */
.mascot{display:block}
.mascot img{width:100%;height:auto;filter:drop-shadow(0 14px 12px rgba(15,76,92,.22));transform-origin:50% 100%}

/* ---------- Cards ---------- */
.grid{display:grid;gap:clamp(18px,2.4vw,30px)}
.grid--2{grid-template-columns:repeat(2,1fr)}
.grid--3{grid-template-columns:repeat(3,1fr)}
.grid--4{grid-template-columns:repeat(4,1fr)}
.card{position:relative;background:var(--paper);border-radius:var(--r-m);padding:clamp(22px,2.6vw,32px);box-shadow:var(--shadow);transition:transform .35s var(--bounce),box-shadow .35s}
.card:hover{transform:translateY(-8px) rotate(-.6deg);box-shadow:var(--shadow-lg)}
.card--flat:hover{transform:none;box-shadow:var(--shadow)}
.card .bubble{display:grid;place-items:center;width:68px;height:68px;border-radius:22px;background:var(--tint,var(--sky));margin-bottom:1rem;font-size:2rem;transition:transform .5s var(--bounce)}
.card:hover .bubble{transform:rotate(-10deg) scale(1.12)}
.card p:last-child{margin-bottom:0}
.card p{color:var(--muted)}

.module{--tint:var(--sky);--ac:var(--teal);display:flex;flex-direction:column;border-top:10px solid var(--ac);overflow:hidden}
.module--green{--tint:var(--mint);--ac:var(--green)}
.module--sun{--tint:var(--butter);--ac:var(--sun)}
.module--coral{--tint:var(--peach);--ac:var(--coral)}
.module .num{position:absolute;top:18px;right:20px;font-family:var(--font-d);font-weight:700;font-size:2.6rem;color:var(--tint);-webkit-text-stroke:2px var(--ac);opacity:.9;line-height:1}
.module .bubble img{width:46px;height:46px;object-fit:contain}
.module .kid{font-family:var(--font-d);font-size:1.1rem;color:var(--deep);font-weight:500}
.module .more{margin-top:auto;padding-top:1rem}
.link-arrow{display:inline-flex;align-items:center;gap:.4em;font-family:var(--font-d);font-weight:600;color:var(--teal-dd);text-decoration:none}
.link-arrow span{display:inline-block;transition:transform .3s var(--bounce)}
.link-arrow:hover span{transform:translateX(6px)}

.steps{counter-reset:s;display:grid;grid-template-columns:repeat(3,1fr);gap:30px;position:relative;list-style:none}
.step{position:relative;text-align:center;padding:0 12px}
.step .dot{display:grid;place-items:center;width:104px;height:104px;margin:0 auto 18px;border-radius:50%;background:var(--paper);font-size:2.8rem;box-shadow:0 6px 0 var(--tint,var(--sky-d)),0 16px 28px -10px rgba(15,76,92,.25);position:relative;transition:transform .5s var(--bounce)}
.step:hover .dot{transform:scale(1.12) rotate(-8deg)}
.step .dot::after{counter-increment:s;content:counter(s);position:absolute;top:-4px;right:-4px;width:34px;height:34px;border-radius:50%;background:var(--sun);color:var(--deep);font-family:var(--font-d);font-weight:700;font-size:1.05rem;display:grid;place-items:center;box-shadow:0 3px 0 var(--sun-d)}
.step p{color:var(--muted);max-width:30ch;margin-inline:auto}
.steps::before{content:"";position:absolute;top:52px;left:16%;right:16%;border-top:5px dotted var(--sky-d);z-index:0}
.step{z-index:1}

/* demo */
.demo{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,4vw,60px);align-items:center}
.demo-board{background:var(--paper);border-radius:var(--r-l);padding:clamp(18px,3vw,32px);box-shadow:var(--shadow-lg)}
.picks{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:20px}
.pick{aspect-ratio:1;border:0;border-radius:22px;background:var(--tint);font-size:clamp(2rem,5vw,3rem);cursor:pointer;transition:transform .3s var(--bounce),box-shadow .2s;box-shadow:0 5px 0 rgba(15,76,92,.12)}
.pick:hover{transform:translateY(-4px) scale(1.08) rotate(-4deg)}
.pick:active{transform:scale(.92)}
.pick[aria-pressed="true"]{outline:4px solid var(--teal);outline-offset:3px}
.stage{min-height:200px;border-radius:28px;background:var(--bg);border:3px dashed var(--sky-d);display:grid;place-items:center;text-align:center;padding:20px;position:relative}
.stage .big{font-size:4.5rem;line-height:1}
.letters{display:flex;justify-content:center;gap:6px;margin:10px 0}
.letters span{display:grid;place-items:center;min-width:1.7ch;font-family:var(--font-d);font-weight:700;font-size:clamp(2rem,6vw,3.2rem);color:#fff;border-radius:14px;padding:0 .2em;background:var(--lc,var(--teal));box-shadow:0 5px 0 rgba(0,0,0,.14)}
.stage .hint{color:var(--muted);margin:0;font-family:var(--font-d)}
.say{margin-top:6px}

/* placeholder device */
.device{position:relative;max-width:880px;margin-inline:auto;background:var(--deep);border-radius:44px;padding:18px;box-shadow:var(--shadow-lg)}
.device::after{content:"";position:absolute;left:50%;top:8px;width:8px;height:8px;margin-left:-4px;border-radius:50%;background:#2a6b7c}
.screen{position:relative;aspect-ratio:16/10;border-radius:28px;background:linear-gradient(160deg,var(--sky),var(--mint));display:grid;place-items:center;text-align:center;padding:24px;overflow:hidden}
.screen--img{padding:0;background:#fafbff;display:block}
.screen--img img{width:100%;height:100%;object-fit:cover;display:block}
.screen .mascot{width:clamp(90px,16vw,150px);margin:0 auto 6px}
.screen h3{margin-bottom:.3em}
.screen p{color:var(--muted);margin:0 auto;max-width:42ch}
.play{display:grid;place-items:center;width:84px;height:84px;margin:12px auto 0;border-radius:50%;background:#fff;color:var(--coral-d);box-shadow:0 6px 0 var(--peach),0 14px 24px -8px rgba(15,76,92,.3);font-size:2rem;padding-left:6px}

/* plans */
.plan{text-align:center}
.plan .size{font-family:var(--font-d);font-size:2.2rem;font-weight:700;color:var(--teal-d);line-height:1.1;margin:.3rem 0 .6rem}
.plan.featured{background:var(--deep);color:#fff}
.plan.featured h3,.plan.featured .size{color:#fff}.plan.featured p{color:#cfe8ee}
.plan .ribbon{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:var(--sun);color:var(--deep);font-family:var(--font-d);font-weight:600;font-size:.9rem;padding:.2em 1em;border-radius:999px;box-shadow:0 3px 0 var(--sun-d);white-space:nowrap}

.cta-band{position:relative;background:var(--teal-d);color:#fff;border-radius:var(--r-l);padding:clamp(32px,6vw,64px);overflow:hidden;display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center;box-shadow:var(--shadow-lg)}
.cta-band h2{color:#fff;margin-bottom:.3em}.cta-band p{color:#d6f1f6;margin:0;max-width:52ch}
.cta-band .mascot{width:150px}
.cta-band::before,.cta-band::after{content:"";position:absolute;border-radius:50%;background:rgba(255,255,255,.08)}
.cta-band::before{width:260px;height:260px;right:-60px;top:-90px}.cta-band::after{width:160px;height:160px;left:-40px;bottom:-70px}

/* ---------- Domain page ---------- */
.with-aside{display:grid;grid-template-columns:240px 1fr;gap:clamp(24px,4vw,56px);align-items:start}
.with-aside>*{min-width:0}
.toc{position:sticky;top:calc(var(--header-h) + 12px);background:var(--paper);border-radius:var(--r-m);padding:18px;box-shadow:var(--shadow)}
.toc h4{font-size:1rem;margin:0 0 .6em;color:var(--muted);text-transform:uppercase;letter-spacing:.08em;font-family:var(--font-b);font-weight:800}
.toc ol{list-style:none;margin:0;padding:0;display:grid;gap:4px}
.toc a{display:flex;align-items:center;gap:10px;padding:.5em .7em;border-radius:14px;font-family:var(--font-d);font-weight:500;text-decoration:none;color:var(--deep);transition:background .2s,transform .25s var(--bounce)}
.toc a i{display:grid;place-items:center;width:30px;height:30px;border-radius:50%;background:var(--sky);font-style:normal;font-size:1rem;transition:background .2s,transform .3s var(--bounce)}
.toc a:hover{background:var(--butter);transform:translateX(4px)}
.toc a.active{background:var(--teal-d);color:#fff}
.toc a.active i{background:var(--sun);transform:scale(1.15) rotate(-8deg)}
.chapter{padding-bottom:clamp(48px,7vw,80px)}
.chapter>header{display:flex;align-items:center;gap:16px;margin-bottom:1rem}
.chapter>header .badge{display:grid;place-items:center;flex:none;width:64px;height:64px;border-radius:22px;background:var(--tint,var(--sky));font-size:2rem}
.chapter>header h2{margin:0}
.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:1.6rem 0}
.stat{background:var(--paper);border-radius:var(--r-m);padding:18px 14px;text-align:center;box-shadow:var(--shadow)}
.stat b{display:block;font-family:var(--font-d);font-size:clamp(1.9rem,3.4vw,2.7rem);color:var(--teal-d);line-height:1.1}
.stat span{display:block;font-size:.95rem;line-height:1.3;color:var(--muted);margin-top:4px}
.stat:nth-child(2) b{color:var(--green-d)}.stat:nth-child(3) b{color:var(--coral-d)}.stat:nth-child(4) b{color:#c28a00}
.callout{display:flex;gap:16px;align-items:flex-start;background:var(--butter);border-radius:var(--r-m);padding:18px 22px;margin:1.4rem 0}
.callout .ico{font-size:1.8rem;line-height:1.2}
.callout p{margin:0}.callout strong{color:var(--deep)}
.table-wrap{overflow-x:auto;border-radius:var(--r-m);background:var(--paper);box-shadow:var(--shadow);margin:1.4rem 0;-webkit-overflow-scrolling:touch}
table.compare{border-collapse:separate;border-spacing:0;width:100%;min-width:820px;font-size:.98rem}
.compare th,.compare td{padding:.75em .6em;text-align:center;border-bottom:2px solid var(--line)}
.compare thead th{font-family:var(--font-d);font-weight:600;color:var(--deep);background:var(--sky);position:sticky;top:0;font-size:.92rem}
.compare th:first-child,.compare td:first-child{text-align:left;position:sticky;left:0;background:var(--paper);min-width:210px;font-weight:700;z-index:1}
.compare thead th:first-child{background:var(--sky)}
.compare .us{background:var(--mint);font-weight:800}
.compare thead .us{background:var(--green);color:#fff}
.compare tr:last-child td{border-bottom:0}
.y{color:var(--green-d);font-weight:800}.n{color:#c9bfa6}.l{color:var(--coral-d);font-size:.82rem;font-weight:800}
.tags{display:flex;flex-wrap:wrap;gap:8px;list-style:none;margin:.8rem 0 0}
.tech{display:flex;gap:16px;align-items:flex-start}
.tech .ti{display:grid;place-items:center;flex:none;width:58px;height:58px;border-radius:18px;background:var(--tint,var(--sky));font-size:1.7rem}
.tech h3{font-size:1.2rem;margin-bottom:.15em}.tech p{margin:0;font-size:1rem}
.tech small{display:inline-block;margin-top:.5em;font-family:var(--font-d);font-size:.8rem;letter-spacing:.06em;text-transform:uppercase;color:var(--teal-dd)}

/* accordion */
.acc{background:var(--paper);border-radius:var(--r-m);box-shadow:var(--shadow);margin-bottom:16px;overflow:hidden;border-left:10px solid var(--ac,var(--teal))}
.acc-btn{display:flex;align-items:center;gap:16px;width:100%;padding:18px 22px;border:0;background:none;text-align:left;cursor:pointer;font:inherit;color:inherit}
.acc-btn .bubble{display:grid;place-items:center;flex:none;width:56px;height:56px;border-radius:18px;background:var(--tint,var(--sky));transition:transform .4s var(--bounce)}
.acc-btn .bubble img{width:38px;height:38px}
.acc-btn:hover .bubble{transform:rotate(-8deg) scale(1.1)}
.acc-btn strong{display:block;font-family:var(--font-d);font-size:1.3rem;color:var(--deep);font-weight:600;line-height:1.2}
.acc-btn small{display:block;color:var(--muted);font-size:.98rem}
.acc-btn .plus{margin-left:auto;flex:none;display:grid;place-items:center;width:40px;height:40px;border-radius:50%;background:var(--butter);font-family:var(--font-d);font-size:1.6rem;line-height:1;color:var(--deep);transition:transform .4s var(--bounce),background .2s}
.acc.open .plus{transform:rotate(135deg);background:var(--sun)}
.acc-panel{display:grid;grid-template-rows:1fr;transition:grid-template-rows .45s var(--ease)}
.acc-panel>div{overflow:hidden}
.acc-body{padding:0 24px 24px 24px}
.js .acc:not(.open) .acc-panel{grid-template-rows:0fr}
.acc-body h4{font-size:1.05rem;margin:1.1rem 0 .3rem;color:var(--teal-dd)}
.acc-body ul{padding-left:1.2em;color:var(--muted)}.acc-body li{margin-bottom:.3em}
.acc-body p{color:var(--muted)}
.researcher{margin-top:1rem;padding:14px 18px;border-radius:18px;background:var(--sky);font-size:1rem}
.researcher b{font-family:var(--font-d);color:var(--teal-dd)}

.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;list-style:none;margin:1.4rem 0;counter-reset:f}
.flow li{position:relative;background:var(--paper);border-radius:var(--r-m);padding:18px 16px;box-shadow:var(--shadow);text-align:center;font-size:1rem;line-height:1.4}
.flow li b{display:block;font-family:var(--font-d);color:var(--deep);font-size:1.1rem;margin:6px 0 2px}
.flow li .e{font-size:2rem}
.flow li:not(:last-child)::after{content:"➜";position:absolute;right:-17px;top:50%;transform:translateY(-50%);color:var(--sun-d);font-size:1.3rem;z-index:2}

/* ---------- Milestones ---------- */
.picker{position:relative;max-width:560px;margin:0 auto 32px;z-index:20}
.picker-label{display:block;font-family:var(--font-d);font-weight:500;color:var(--muted);margin-bottom:8px;text-align:center}
.picker-btn{display:flex;align-items:center;gap:14px;width:100%;min-height:64px;padding:10px 20px;border:0;border-radius:999px;background:var(--paper);box-shadow:0 6px 0 var(--sky-d),0 16px 28px -10px rgba(15,76,92,.3);cursor:pointer;font:inherit;text-align:left;transition:transform .25s var(--bounce)}
.picker-btn:hover{transform:translateY(-2px)}
.picker-btn .pe{font-size:1.8rem}
.picker-btn strong{font-family:var(--font-d);font-size:1.25rem;color:var(--deep);font-weight:600}
.picker-btn .chev{margin-left:auto;display:grid;place-items:center;width:38px;height:38px;border-radius:50%;background:var(--sun);transition:transform .35s var(--bounce)}
.picker.open .chev{transform:rotate(180deg)}
.picker-list{position:absolute;left:0;right:0;top:calc(100% + 12px);list-style:none;margin:0;padding:10px;background:var(--paper);border-radius:28px;box-shadow:var(--shadow-lg);visibility:hidden;opacity:0;transform:translateY(-12px) scale(.96);transform-origin:top;transition:opacity .25s,transform .35s var(--bounce),visibility .25s}
.picker.open .picker-list{visibility:visible;opacity:1;transform:none}
.picker-list li{display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:18px;cursor:pointer;font-family:var(--font-d);font-weight:500;color:var(--deep);transition:background .2s,transform .25s var(--bounce)}
.picker-list li:hover,.picker-list li.focus{background:var(--butter);transform:translateX(4px)}
.picker-list li[aria-selected="true"]{background:var(--sky)}
.picker-list li .chip{margin-left:auto}
.detail{max-width:900px;margin:0 auto 24px}
.detail-card{background:var(--paper);border-radius:var(--r-l);padding:clamp(24px,4vw,44px);box-shadow:var(--shadow-lg);display:grid;grid-template-columns:auto 1fr;gap:24px;border-top:12px solid var(--ac,var(--teal))}
.detail-card .big{display:grid;place-items:center;width:100px;height:100px;border-radius:30px;background:var(--tint,var(--sky));font-size:3.2rem}
.facts{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:1rem 0;list-style:none}
.facts li{background:var(--bg);border-radius:18px;padding:12px 14px}
.facts span{display:block;font-size:.8rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);font-weight:800}
.facts b{font-family:var(--font-d);font-size:1.1rem;color:var(--deep);font-weight:600}
.js .detail-card[hidden]{display:none}
.timeline{position:relative;max-width:980px;margin:0 auto;padding:30px 0}
.tl-line{position:absolute;left:50%;top:0;bottom:0;width:10px;margin-left:-5px;border-radius:99px;background:repeating-linear-gradient(to bottom,var(--sky-d) 0 14px,transparent 14px 26px)}
.tl-fill{position:absolute;left:50%;top:0;width:10px;margin-left:-5px;border-radius:99px;height:calc(var(--grow,0) * 100%);background:linear-gradient(to bottom,var(--green),var(--teal))}
.tl-sprout{position:absolute;left:50%;top:calc(var(--grow,0) * 100%);width:54px;height:54px;margin:-27px 0 0 -27px;display:grid;place-items:center;font-size:2rem;background:#fff;border-radius:50%;box-shadow:0 5px 0 var(--mint-d),0 10px 18px -6px rgba(15,76,92,.35);z-index:3}
.tl-item{position:relative;width:50%;padding:0 54px 40px 0;text-align:right}
.tl-item:nth-child(odd){margin-left:0}
.tl-item.right{margin-left:50%;padding:0 0 40px 54px;text-align:left}
.tl-dot{position:absolute;top:18px;right:-24px;display:grid;place-items:center;width:48px;height:48px;border-radius:50%;background:#fff;font-size:1.4rem;box-shadow:0 4px 0 var(--sky-d);z-index:2;transition:transform .5s var(--bounce),background .3s}
.tl-item.right .tl-dot{right:auto;left:-24px}
.tl-item.reached .tl-dot{background:var(--sun);transform:scale(1.15) rotate(-8deg)}
.tl-card{display:block;width:100%;border:0;font:inherit;text-align:inherit;cursor:pointer;background:var(--paper);border-radius:var(--r-m);padding:20px 24px;box-shadow:var(--shadow);transition:transform .35s var(--bounce),box-shadow .3s;color:inherit}
.tl-card:hover{transform:translateY(-6px) rotate(-.8deg);box-shadow:var(--shadow-lg)}
.tl-card h3{margin:.4em 0 .2em}
.tl-card p{margin:0;color:var(--muted);font-size:1rem}
.tl-item[data-status="done"] .tl-card{border-bottom:6px solid var(--green)}
.tl-item[data-status="now"] .tl-card{border-bottom:6px solid var(--sun)}
.tl-item[data-status="soon"] .tl-card{border-bottom:6px solid var(--coral)}

/* ---------- Documents & presentations ---------- */
.doc{display:flex;flex-direction:column;padding:0;overflow:hidden}
.doc-thumb{position:relative;aspect-ratio:16/9;background:var(--tint,var(--sky));display:grid;place-items:center;overflow:hidden}
.doc-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.doc:hover .doc-thumb img{transform:scale(1.07)}
.doc-thumb .big{font-size:3.6rem}
.doc-thumb .chip{position:absolute;top:12px;left:12px;box-shadow:0 3px 0 rgba(0,0,0,.08)}
.doc-body{padding:22px 24px 26px;display:flex;flex-direction:column;flex:1}
.doc-meta{font-family:var(--font-d);font-size:.92rem;color:var(--muted);margin-bottom:.4rem}
.doc-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:auto;padding-top:14px}
.doc--pending .doc-thumb{background:repeating-linear-gradient(135deg,var(--bg) 0 14px,#fbf3e0 14px 28px)}
.doc--pending .doc-thumb .big{filter:grayscale(.2);animation:sway 3.4s ease-in-out infinite;transform-origin:50% 90%}
.group-title{display:flex;align-items:center;gap:12px;margin:2.4rem 0 1.2rem}
.group-title h2{margin:0;font-size:clamp(1.5rem,3vw,2rem)}

/* ---------- Team ---------- */
.member{text-align:center;padding-top:34px;display:flex;flex-direction:column;align-items:center}
.member h3{font-size:1.3rem}
.member .mail{margin-top:auto}
.member .photo{position:relative;width:min(190px,60%);aspect-ratio:1;margin:0 auto 18px}
.member .photo::before{content:"";position:absolute;inset:-8px;background:var(--tint,var(--sky));border-radius:46% 54% 52% 48%/52% 46% 54% 48%;animation:morph 9s ease-in-out infinite}
.member .photo img{position:relative;width:100%;height:100%;object-fit:cover;border-radius:50%;border:6px solid #fff;box-shadow:0 8px 20px -6px rgba(15,76,92,.3);transition:transform .5s var(--bounce)}
.member:hover .photo img{transform:scale(1.07) rotate(-4deg)}
.member .role{display:inline-flex;margin-bottom:.8rem}
.member .id{font-family:var(--font-d);color:var(--muted);font-size:.95rem;margin:-.4em 0 .7em}
.member p{font-size:1rem;margin-bottom:.8em}
.member .mail{display:inline-flex;align-items:center;gap:.4em;padding:.35em 1em;border-radius:999px;background:var(--bg);font-family:var(--font-d);font-size:.92rem;color:var(--muted)}
.value{display:flex;gap:16px;align-items:flex-start}
.value .bubble{margin:0;flex:none}

/* ---------- Contact ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:clamp(24px,4vw,48px);align-items:start}
.info-list{list-style:none;display:grid;gap:16px}
.info-list li{display:flex;gap:16px;align-items:center;background:var(--paper);border-radius:var(--r-m);padding:16px 20px;box-shadow:var(--shadow)}
.info-list .bubble{display:grid;place-items:center;flex:none;width:54px;height:54px;border-radius:18px;background:var(--tint,var(--sky));font-size:1.6rem}
.info-list b{display:block;font-family:var(--font-d);color:var(--deep)}
.info-list span{color:var(--muted);font-size:1rem}
.letter{background:var(--paper);border-radius:var(--r-l);padding:clamp(22px,3.4vw,38px);box-shadow:var(--shadow-lg);position:relative}
.letter::before{content:"";position:absolute;inset:auto 0 0 0;height:10px;border-radius:0 0 var(--r-l) var(--r-l);background:repeating-linear-gradient(135deg,var(--coral) 0 18px,var(--paper) 18px 26px,var(--teal) 26px 44px,var(--paper) 44px 52px)}
.field{display:grid;gap:6px;margin-bottom:14px}
.field label{font-family:var(--font-d);font-weight:500;color:var(--deep)}
.field input,.field select,.field textarea{font:inherit;padding:.7em 1em;border-radius:18px;border:3px solid var(--sky-d);background:var(--bg);color:var(--ink);transition:border-color .2s,box-shadow .2s;width:100%}
.field input:focus,.field textarea:focus{outline:0;border-color:var(--teal);box-shadow:0 0 0 5px rgba(10,162,184,.18)}
.preview{white-space:pre-wrap;background:var(--bg);border:3px dashed var(--sky-d);border-radius:22px;padding:18px 20px;font-size:1.02rem;line-height:1.6;color:var(--ink);margin:0 0 18px;min-height:150px}
.form-note{font-size:.95rem;color:var(--muted)}

/* ---------- Footer ---------- */
.site-footer{position:relative;background:var(--deep);color:#cfe6ec;padding:60px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:12px;font-family:var(--font-d);font-weight:700;font-size:1.7rem;color:#fff}
.footer-brand img{width:52px;height:52px;border-radius:14px}
.site-footer h4{color:#fff;font-size:1.1rem}
.site-footer ul{list-style:none;display:grid;gap:6px}
.site-footer a{color:#cfe6ec;text-decoration:none}.site-footer a:hover{color:var(--sun);text-decoration:underline}
.footer-bottom{border-top:2px dashed rgba(255,255,255,.15);margin-top:36px;padding-top:20px;font-size:.95rem;color:#9fc3cd}
.to-top{position:fixed;right:20px;bottom:20px;z-index:90;width:58px;height:58px;border:0;border-radius:50%;background:var(--sun);box-shadow:0 5px 0 var(--sun-d),0 12px 22px -6px rgba(15,76,92,.4);cursor:pointer;font-size:1.6rem;opacity:0;transform:translateY(80px) scale(.6);transition:opacity .3s,transform .5s var(--bounce);display:grid;place-items:center}
.to-top.show{opacity:1;transform:none}
.to-top:hover{transform:translateY(-5px) rotate(-8deg) scale(1.08)}

/* ---------- Dialogs ---------- */
dialog{border:0;padding:0;background:transparent;max-width:none;max-height:none;color:inherit}
dialog::backdrop{background:rgba(15,76,92,.55);backdrop-filter:blur(4px)}
.viewer{width:min(1000px,94vw);height:min(86vh,900px);margin:auto}
.viewer[open]{display:flex;flex-direction:column;background:var(--paper);border-radius:var(--r-l);overflow:hidden;box-shadow:var(--shadow-lg);animation:popin .45s var(--bounce)}
.viewer-bar{display:flex;align-items:center;gap:12px;padding:12px 16px 12px 24px;background:var(--sky)}
.viewer-bar h3{margin:0;font-size:1.15rem;margin-right:auto;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.viewer iframe{flex:1;width:100%;border:0;background:#f4f1ea}
.searchbox{width:min(640px,94vw);margin:8vh auto auto}
.searchbox[open]{display:block;background:var(--paper);border-radius:var(--r-l);padding:22px;box-shadow:var(--shadow-lg);animation:popin .45s var(--bounce)}
.search-top{display:flex;gap:10px;align-items:center}
.search-top input{flex:1;font:inherit;font-size:1.2rem;padding:.7em 1.1em;border-radius:999px;border:3px solid var(--sky-d);background:var(--bg);min-width:0}
.search-top input:focus{outline:0;border-color:var(--teal)}
.results{list-style:none;margin:14px 0 0;display:grid;gap:8px;max-height:52vh;overflow:auto}
.results a{display:block;padding:12px 16px;border-radius:18px;text-decoration:none;color:var(--ink);transition:background .2s,transform .25s var(--bounce)}
.results a:hover,.results a:focus-visible{background:var(--butter);transform:translateX(5px)}
.results b{font-family:var(--font-d);color:var(--deep);display:block}
.results small{color:var(--muted);display:block;line-height:1.35}
.results .pg{font-family:var(--font-d);font-size:.8rem;color:var(--teal-dd);text-transform:uppercase;letter-spacing:.06em}
.empty{padding:20px;text-align:center;color:var(--muted)}

/* ---------- Responsive ---------- */
@media (max-width:1020px){
  .nav-toggle{display:grid}
  .nav-links{position:absolute;left:0;right:0;top:calc(100% + 10px);flex-direction:column;align-items:stretch;background:var(--paper);border-radius:28px;padding:12px;box-shadow:var(--shadow-lg);visibility:hidden;opacity:0;transform:translateY(-14px) scale(.97);transform-origin:top;transition:opacity .25s,transform .4s var(--bounce),visibility .25s}
  .nav-links.open{visibility:visible;opacity:1;transform:none}
  .nav-links a{font-size:1.15rem;padding:.7em 1.1em}
  .nav{position:relative}
  .grid--4{grid-template-columns:repeat(2,1fr)}
  .grid--3{grid-template-columns:repeat(2,1fr)}
  .with-aside{grid-template-columns:1fr}
  .toc{position:static}.toc ol{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:820px){
  body{font-size:1.06rem}
  .hero-grid,.demo,.contact-grid,.page-hero-grid,.cta-band{grid-template-columns:1fr}
  .scene{max-width:420px}
  .page-hero .mascot{display:none}
  .cta-band .mascot{display:none}
  .steps{grid-template-columns:1fr;gap:34px}.steps::before{display:none}
  .stat-row{grid-template-columns:repeat(2,1fr)}
  .flow{grid-template-columns:1fr 1fr}.flow li:not(:last-child)::after{display:none}
  .footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}
  .detail-card{grid-template-columns:1fr}
  .facts{grid-template-columns:1fr}
  .tl-line,.tl-fill{left:26px}.tl-sprout{left:26px;width:46px;height:46px;margin:-23px 0 0 -23px}
  .tl-item,.tl-item.right{width:100%;margin-left:0;padding:0 0 30px 74px;text-align:left}
  .tl-dot,.tl-item.right .tl-dot{left:2px;right:auto;width:44px;height:44px}
}
@media (max-width:600px){
  :root{--header-h:80px}
  .container,.narrow{width:calc(100% - 32px)}
  .grid--2,.grid--3,.grid--4{grid-template-columns:1fr}
  .brand{font-size:1.35rem}.brand img{width:40px;height:40px}
  .icon-btn{width:42px;height:42px}
  .hero-facts{gap:14px 20px}
  .picks{gap:8px}
  .flow{grid-template-columns:1fr}
  .toc ol{grid-template-columns:1fr}
  .btn{width:100%}.btn-row .btn{flex:1 1 100%}
  .btn--sm{width:auto}
  .to-top{right:12px;bottom:12px}
  .acc-btn{padding:14px}.acc-btn .bubble{width:46px;height:46px}.acc-btn strong{font-size:1.1rem}
  .footer-grid{grid-template-columns:1fr}
}
@media print{.site-header,.to-top,.progress{display:none}}
.member a.mail{font-size:.8rem;max-width:100%;overflow-wrap:anywhere;text-align:center;text-decoration:none}
.member a.mail:hover{color:var(--deep);text-decoration:underline}
.step .dot::after{box-shadow:none;position:static;width:auto;height:auto;background:none;font-size:2.6rem;color:var(--deep)}
.tech .ti{background:var(--paper);box-shadow:0 4px 0 var(--tint,var(--sky)),0 10px 20px -10px rgba(15,76,92,.25)}
.tech .ti svg{width:32px;height:32px}

.detail-card{grid-template-columns:1fr}