/* ============================================================
   Kakou Nex — design system
   Clean, bright SaaS · periwinkle "lightbulb" family
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:ital,wght@0,400;0,500;0,600;0,700;0,800;1,500&display=swap');

:root{
  /* surfaces */
  --bg:#ffffff;
  --bg-soft:#f5f6fd;
  --bg-tint:#eceefb;
  --bg-ink:#15162b;

  /* text */
  --ink:#191a2e;
  --ink-2:#454764;
  --muted:#74768c;
  --on-dark:#eceefb;
  --on-dark-mut:#a9abce;

  /* brand */
  --periwinkle:#9a98fd;
  --primary:#6c6af2;
  --primary-700:#5654d8;
  --primary-100:#e9e9fe;
  --blue:#2e7be8;
  --bulb:#ffc83d;
  --bulb-soft:#ffe49a;
  --green:#2da15b;
  --line:#e7e8f4;
  --line-2:#dfe1f0;

  /* product accents */
  --c-workflow:#2e7be8;
  --c-workflow-100:#e2eefc;
  --c-form:#6c6af2;
  --c-form-100:#e9e9fe;
  --c-quiz:#8b5cf6;
  --c-quiz-100:#efe9fe;
  --c-ranger:#0f9d8a;
  --c-ranger-100:#dcf3ef;
  --c-mailmerge:#e07b39;
  --c-mailmerge-100:#fbeadd;

  /* shape */
  --r-xs:9px; --r-sm:12px; --r:16px; --r-lg:22px; --r-xl:30px; --r-2xl:40px;
  --shadow-sm:0 1px 2px rgba(28,28,60,.06), 0 2px 8px rgba(28,28,60,.05);
  --shadow:0 6px 18px rgba(40,40,90,.08), 0 2px 6px rgba(40,40,90,.05);
  --shadow-lg:0 24px 60px rgba(45,40,100,.14), 0 8px 22px rgba(45,40,100,.08);
  --shadow-xl:0 40px 90px rgba(45,40,100,.18);

  --maxw:1180px;
  --nav-h:72px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:'Plus Jakarta Sans',-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;}
:focus-visible{outline:2.5px solid var(--primary);outline-offset:3px;border-radius:6px;}

/* ---------- layout ---------- */
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px;}
.section{padding:96px 0;}
.section.tight{padding:64px 0;}
.soft{background:var(--bg-soft);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
  color:var(--primary-700);
}
.eyebrow::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--bulb);box-shadow:0 0 0 4px var(--primary-100);}
h1,h2,h3{margin:0;letter-spacing:-.02em;line-height:1.08;font-weight:800;}
.h-display{font-size:clamp(38px,5.4vw,68px);letter-spacing:-.035em;}
h2.h-sec{font-size:clamp(30px,3.6vw,46px);}
.lede{font-size:clamp(17px,1.4vw,20px);color:var(--ink-2);line-height:1.6;}
.sec-head{max-width:680px;margin:0 auto 56px;text-align:center;}
.sec-head .lede{margin-top:18px;}
.sec-head .eyebrow{margin-bottom:18px;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  font-weight:700;font-size:15.5px;line-height:1;
  padding:15px 24px;border-radius:var(--r-sm);border:1.5px solid transparent;
  transition:transform .18s var(--ease), box-shadow .18s var(--ease), background .18s, border-color .18s, color .18s;
  white-space:nowrap;
}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 20px rgba(108,106,242,.32);}
.btn-primary:hover{background:var(--primary-700);box-shadow:0 12px 26px rgba(108,106,242,.4);transform:translateY(-1px);}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line-2);box-shadow:var(--shadow-sm);}
.btn-ghost:hover{border-color:var(--periwinkle);color:var(--primary-700);transform:translateY(-1px);}
.btn-dark{background:var(--ink);color:#fff;}
.btn-dark:hover{background:#000;transform:translateY(-1px);}
.btn-lg{padding:18px 30px;font-size:16.5px;border-radius:var(--r);}
.btn-sm{padding:11px 16px;font-size:14px;}
.btn-block{width:100%;}

/* Google Workspace Marketplace install pill */
.gw-install{
  display:inline-flex;align-items:center;gap:12px;
  background:#fff;border:1.5px solid var(--line-2);border-radius:var(--r);
  padding:10px 20px 10px 14px;box-shadow:var(--shadow);
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),border-color .18s;
}
.gw-install:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);border-color:var(--periwinkle);}
.gw-install .gw-logo{width:34px;height:34px;flex:none;border-radius:8px;background:
  radial-gradient(circle at 30% 30%, #4285F4 0 8px, transparent 9px),
  radial-gradient(circle at 70% 30%, #EA4335 0 8px, transparent 9px),
  radial-gradient(circle at 30% 70%, #FBBC04 0 8px, transparent 9px),
  radial-gradient(circle at 70% 70%, #34A853 0 8px, transparent 9px),
  #fff;background-repeat:no-repeat;}
.gw-install .gw-txt{display:flex;flex-direction:column;line-height:1.15;text-align:left;}
.gw-install .gw-txt small{font-size:11.5px;color:var(--muted);font-weight:600;letter-spacing:.02em;}
.gw-install .gw-txt b{font-size:15px;font-weight:700;}
.prod-cta{display:flex;align-items:center;gap:20px;flex-wrap:wrap;}
.guide-cta-link{font-weight:700;font-size:14.5px;color:var(--accent,var(--c-form));white-space:nowrap;}
.guide-cta-link:hover{text-decoration:underline;}

/* ---------- nav ---------- */
.nav{
  position:sticky;top:0;z-index:60;height:var(--nav-h);
  background:rgba(255,255,255,.82);backdrop-filter:saturate(180%) blur(16px);
  border-bottom:1px solid transparent;transition:border-color .2s,box-shadow .2s;
}
.nav.scrolled{border-color:var(--line);box-shadow:0 1px 0 rgba(20,20,50,.04);}
.nav-inner{max-width:var(--maxw);margin:0 auto;padding:0 28px;height:100%;display:flex;align-items:center;gap:18px;}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:18.5px;letter-spacing:-.02em;white-space:nowrap;}
.brand .mark{width:34px;height:34px;border-radius:9px;flex:none;box-shadow:var(--shadow-sm);}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:8px;}
.nav-links a{
  padding:9px 12px;border-radius:10px;font-size:15px;font-weight:600;color:var(--ink-2);white-space:nowrap;
  transition:background .15s,color .15s;
}
.nav-links a:hover{background:var(--bg-tint);color:var(--ink);}
.nav-links a.active{color:var(--primary-700);}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:10px;}

/* language menu (dropdown) */
.lang{position:relative;display:inline-flex;}
.lang-btn{
  display:inline-flex;align-items:center;gap:7px;white-space:nowrap;
  border:1.5px solid var(--line-2);background:#fff;border-radius:999px;padding:7px 11px 7px 12px;
  font-size:13px;font-weight:700;color:var(--ink-2);transition:border-color .15s,color .15s,background .15s;
}
.lang-btn:hover{border-color:var(--periwinkle);color:var(--ink);}
.lang-btn svg{color:var(--muted);flex:none;}
.lang-btn .lang-current{min-width:18px;text-align:left;}
.lang-btn .lang-caret{transition:transform .2s var(--ease);}
.lang.open .lang-btn{border-color:var(--periwinkle);color:var(--ink);}
.lang.open .lang-btn .lang-caret{transform:rotate(180deg);}
.lang-menu{
  position:absolute;top:calc(100% + 8px);right:0;z-index:80;
  background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow-lg);
  padding:6px;min-width:184px;max-height:340px;overflow-y:auto;
  opacity:0;transform:translateY(-6px) scale(.98);transform-origin:top right;pointer-events:none;
  transition:opacity .16s var(--ease),transform .16s var(--ease);
}
.lang.open .lang-menu{opacity:1;transform:none;pointer-events:auto;}
.lang-menu button{
  display:flex;align-items:center;justify-content:space-between;gap:12px;width:100%;
  border:none;background:transparent;border-radius:9px;padding:9px 11px;text-align:left;
  font-size:14px;font-weight:600;color:var(--ink-2);transition:background .12s,color .12s;
}
.lang-menu button:hover{background:var(--bg-tint);color:var(--ink);}
.lang-menu button.on{color:var(--primary-700);font-weight:700;}
.lang-menu button .lang-check{color:var(--primary-700);opacity:0;flex:none;}
.lang-menu button.on .lang-check{opacity:1;}

.nav-burger{display:none;border:none;background:transparent;padding:8px;border-radius:9px;}
.nav-burger:hover{background:var(--bg-tint);}
.nav-burger span{display:block;width:22px;height:2px;background:var(--ink);border-radius:2px;margin:4px 0;transition:.2s;}

/* ---------- trust strip ---------- */
.trust{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:14px 38px;}
.trust .t-lbl{font-size:13.5px;font-weight:600;color:var(--muted);}
.gapp{display:inline-flex;align-items:center;gap:9px;font-weight:600;font-size:14.5px;color:var(--ink-2);opacity:.92;}
.gapp .gi{width:26px;height:26px;border-radius:7px;display:grid;place-items:center;flex:none;}
.gapp .gi svg{width:16px;height:16px;}

/* ---------- product cards ---------- */
.prod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.prod-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px;display:flex;flex-direction:column;
  box-shadow:var(--shadow-sm);transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s;
  position:relative;overflow:hidden;
}
.prod-card::before{content:"";position:absolute;inset:0 0 auto 0;height:4px;background:var(--accent,var(--primary));opacity:0;transition:opacity .22s;}
.prod-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:transparent;}
.prod-card:hover::before{opacity:1;}
.prod-card .pc-head{display:flex;align-items:center;gap:14px;margin-bottom:16px;}
.prod-card .pc-icon{width:54px;height:54px;border-radius:14px;flex:none;box-shadow:var(--shadow-sm);}
.prod-card .pc-name{font-size:20px;font-weight:800;letter-spacing:-.02em;}
.prod-card .pc-tag{font-size:12.5px;font-weight:700;color:var(--accent,var(--primary-700));letter-spacing:.02em;}
.prod-card .pc-banner{
  border-radius:var(--r);overflow:hidden;border:1px solid var(--line);margin-bottom:16px;
  background:var(--bg-soft);aspect-ratio:220/140;display:grid;place-items:center;
}
.prod-card .pc-banner img{width:100%;height:100%;object-fit:cover;}
.prod-card .pc-desc{color:var(--ink-2);font-size:15px;flex:1;}
.prod-card .pc-link{
  margin-top:18px;display:inline-flex;align-items:center;gap:7px;font-weight:700;font-size:15px;
  color:var(--accent,var(--primary-700));
}
.prod-card .pc-link svg{transition:transform .2s var(--ease);}
.prod-card:hover .pc-link svg{transform:translateX(4px);}

/* ---------- feature grid ---------- */
.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.feat{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:28px 26px;
  box-shadow:var(--shadow-sm);transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.feat:hover{transform:translateY(-4px);box-shadow:var(--shadow);}
.feat .fi{width:48px;height:48px;border-radius:13px;display:grid;place-items:center;margin-bottom:18px;background:var(--primary-100);}
.feat .fi svg{width:24px;height:24px;stroke:var(--primary-700);}
.feat h3{font-size:19px;margin-bottom:9px;}
.feat p{margin:0;color:var(--ink-2);font-size:15px;}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;counter-reset:s;}
.step{position:relative;padding:30px 26px;border-radius:var(--r-lg);background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm);}
.step .num{
  counter-increment:s;width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  font-weight:800;font-size:18px;color:#fff;background:var(--primary);margin-bottom:18px;box-shadow:0 6px 14px rgba(108,106,242,.3);
}
.step .num::before{content:counter(s);}
.step h3{font-size:18.5px;margin-bottom:8px;}
.step p{margin:0;color:var(--ink-2);font-size:15px;}

/* ---------- CTA band ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-2xl);
  background:linear-gradient(135deg,#6c6af2 0%,#8b7af4 48%,#b08cf0 100%);
  color:#fff;padding:72px 56px;text-align:center;
  box-shadow:var(--shadow-xl);
}
.cta-band::after{content:"";position:absolute;inset:0;background:radial-gradient(1200px 400px at 50% -30%,rgba(255,255,255,.32),transparent 60%);pointer-events:none;}
.cta-band h2{font-size:clamp(30px,3.6vw,46px);position:relative;}
.cta-band p{position:relative;font-size:18px;color:rgba(255,255,255,.9);margin:16px auto 32px;max-width:560px;}
.cta-band .btn-row{position:relative;display:flex;gap:14px;justify-content:center;flex-wrap:wrap;}
.cta-band .btn-light{background:#fff;color:var(--primary-700);}
.cta-band .btn-light:hover{background:#f4f3ff;transform:translateY(-1px);}
.cta-band .btn-outline{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.5);}
.cta-band .btn-outline:hover{background:rgba(255,255,255,.2);}

/* ---------- footer ---------- */
.footer{background:var(--bg-ink);color:var(--on-dark);padding:72px 0 36px;}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;margin-bottom:48px;}
.footer .brand{color:#fff;margin-bottom:16px;}
.footer-blurb{color:var(--on-dark-mut);font-size:14.5px;max-width:280px;}
.footer h4{font-size:13px;text-transform:uppercase;letter-spacing:.09em;color:var(--on-dark-mut);margin:0 0 18px;font-weight:700;}
.footer ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:11px;}
.footer ul a{color:var(--on-dark);font-size:14.5px;opacity:.86;transition:opacity .15s,color .15s;}
.footer ul a:hover{opacity:1;color:#fff;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:26px;display:flex;justify-content:space-between;align-items:center;gap:18px;flex-wrap:wrap;font-size:13.5px;color:var(--on-dark-mut);}

/* ---------- misc ---------- */
.pill{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:7px 15px 7px 11px;font-size:13.5px;font-weight:600;color:var(--ink-2);box-shadow:var(--shadow-sm);}
.pill .dot{width:8px;height:8px;border-radius:50%;background:var(--green);}
.stat-row{display:flex;gap:48px;flex-wrap:wrap;}
.stat .n{font-size:40px;font-weight:800;letter-spacing:-.03em;line-height:1;}
.stat .l{font-size:14px;color:var(--muted);margin-top:6px;font-weight:600;}

.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s var(--ease),transform .7s var(--ease);}
.reveal.in{opacity:1;transform:none;}

[lang-hide]{display:none !important;}

/* ---------- responsive ---------- */
@media (max-width:960px){
  .footer-top{grid-template-columns:1fr 1fr;gap:32px;}
  .section{padding:72px 0;}
}
@media (max-width:820px){
  .prod-grid,.feat-grid,.steps{grid-template-columns:1fr;}
}
@media (max-width:1000px){
  .nav-links{display:none;}
  .nav-burger{display:block;}
  .nav-right .btn-text-hide{display:none;}
}
@media (max-width:760px){
  .cta-band{padding:52px 28px;}
}

@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  .reveal{opacity:1;transform:none;}
}