/* =========================================================
   IRIS COLOURS & POLYMERS — site stylesheet
   Brand: Iris purple + full spectrum (logo petals)
   ========================================================= */
:root{
  --purple:#561b72;
  --purple-2:#7a2da0;
  --purple-deep:#12081c;
  --ink:#1b1224;
  --text:#4a4155;
  --muted:#7b7188;
  --line:#ece6f2;
  --bg:#fbfafd;
  --card:#ffffff;
  --soft:#f4eff9;
  --pb:#1f4fd8;          /* phthalo blue */
  --pg:#0f9e7a;          /* phthalo green */
  --spectrum:linear-gradient(90deg,#e53935,#fb8c00,#fdd835,#7cb342,#00acc1,#1e63e9,#7b2ff7,#d81b9a);
  --radius:18px;
  --shadow:0 10px 30px -12px rgba(40,10,60,.18);
  --shadow-lg:0 30px 60px -20px rgba(40,10,60,.35);
  --font-h:'Sora',system-ui,sans-serif;
  --font-b:'Inter',system-ui,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-b);color:var(--text);background:var(--bg);line-height:1.65;font-size:16px;overflow-x:hidden;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--font-h);color:var(--ink);line-height:1.15;letter-spacing:-.02em}
.container{width:min(1200px,100% - 40px);margin-inline:auto}
section{padding:100px 0;position:relative}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font:600 12px/1 var(--font-h);letter-spacing:.18em;text-transform:uppercase;color:var(--purple)}
.eyebrow::before{content:"";width:28px;height:3px;border-radius:3px;background:var(--spectrum)}
.section-head{max-width:720px;margin-bottom:56px}
.section-head.center{margin-inline:auto;text-align:center}
.section-head.center .eyebrow{justify-content:center}
.section-head h2{font-size:clamp(30px,4vw,46px);margin:16px 0 14px}
.section-head p{font-size:18px;color:var(--muted)}
.grad-text{background:var(--spectrum);-webkit-background-clip:text;background-clip:text;color:transparent;background-size:200% 100%;animation:shift 8s linear infinite}
@keyframes shift{to{background-position:200% 0}}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:10px;padding:14px 26px;border-radius:999px;font:600 15px/1 var(--font-h);cursor:pointer;border:0;transition:.25s}
.btn svg{width:18px;height:18px}
.btn-primary{background:var(--purple);color:#fff;box-shadow:0 10px 24px -8px rgba(86,27,114,.6)}
.btn-primary:hover{background:var(--purple-2);transform:translateY(-2px)}
.btn-glow{position:relative;background:#fff;color:var(--purple-deep);isolation:isolate}
.btn-glow::before{content:"";position:absolute;inset:-2px;border-radius:inherit;background:var(--spectrum);z-index:-1;filter:blur(10px);opacity:.7;transition:.3s}
.btn-glow:hover::before{opacity:1;filter:blur(14px)}
.btn-ghost{background:rgba(255,255,255,.08);color:#fff;border:1px solid rgba(255,255,255,.25);backdrop-filter:blur(8px)}
.btn-ghost:hover{background:rgba(255,255,255,.16)}
.btn-outline{border:1.5px solid var(--purple);color:var(--purple);background:transparent}
.btn-outline:hover{background:var(--purple);color:#fff}

/* ---------- Top bar + Header ---------- */
.topbar{background:var(--purple-deep);color:#cbbfd8;font-size:13px}
.topbar .container{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:8px 0}
.topbar a:hover{color:#fff}
.topbar .tb-links{display:flex;gap:22px}
.topbar .spectrum-line{height:3px;background:var(--spectrum)}
.header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.82);backdrop-filter:saturate(180%) blur(16px);border-bottom:1px solid var(--line);transition:.3s}
.header.scrolled{box-shadow:0 8px 30px -15px rgba(40,10,60,.25)}
.header .container{display:flex;align-items:center;justify-content:space-between;height:78px}
.logo img{height:60px;width:auto}
.nav{display:flex;align-items:center;gap:6px}
.nav a{padding:10px 14px;border-radius:10px;font:500 15px var(--font-h);color:var(--ink);position:relative}
.nav a:hover{color:var(--purple);background:var(--soft)}
.nav a.active{color:var(--purple)}
.nav a.active::after{content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;border-radius:2px;background:var(--spectrum)}
.nav .btn{margin-left:10px;padding:12px 20px;color:#fff}
.nav .btn:hover{background:var(--purple-2);color:#fff}
.menu-toggle{display:none;background:none;border:0;cursor:pointer;width:44px;height:44px;border-radius:10px}
.menu-toggle span{display:block;width:24px;height:2px;background:var(--ink);margin:5px auto;transition:.3s}
.menu-open .menu-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-open .menu-toggle span:nth-child(2){opacity:0}
.menu-open .menu-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- Hero (dark / AI) ---------- */
.hero{background:radial-gradient(120% 80% at 80% 10%,#2c0f44 0%,var(--purple-deep) 55%);color:#e9e1f2;padding:110px 0 130px;overflow:hidden;min-height:calc(100vh - 120px);display:flex;align-items:center}
.hero canvas{position:absolute;inset:0;width:100%;height:100%}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(to right,rgba(18,8,28,.92) 0%,rgba(18,8,28,.55) 45%,rgba(18,8,28,0) 75%);pointer-events:none}
.hero .container{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:60px;align-items:center}
.hero .eyebrow{color:#d8b8f0}
.hero h1{color:#fff;font-size:clamp(40px,6vw,76px);margin:22px 0;font-weight:700}
.hero p.lead{font-size:clamp(17px,1.6vw,20px);max-width:600px;color:#c9bdd6}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:36px}
.hero-badges{display:flex;flex-wrap:wrap;gap:26px;margin-top:48px;font-size:14px;color:#b5a8c4}
.hero-badges b{display:block;font:700 26px var(--font-h);color:#fff}
.hero-card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:24px;padding:26px;backdrop-filter:blur(18px);box-shadow:var(--shadow-lg)}
.hero-card .hc-top{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.ai-dot{width:38px;height:38px;border-radius:12px;background:conic-gradient(from 0deg,#e53935,#fb8c00,#fdd835,#7cb342,#00acc1,#1e63e9,#7b2ff7,#d81b9a,#e53935);display:grid;place-items:center;animation:spin 6s linear infinite;flex:none}
.ai-dot::after{content:"";width:26px;height:26px;border-radius:9px;background:var(--purple-deep)}
@keyframes spin{to{transform:rotate(360deg)}}
.hero-card h3{color:#fff;font-size:17px}
.hero-card small{color:#a898b8;font-size:12px}
.hc-msg{background:rgba(255,255,255,.07);border-radius:14px 14px 14px 4px;padding:14px 16px;font-size:14.5px;color:#e6dcef;margin-bottom:12px}
.hc-msg.user{background:linear-gradient(135deg,#6d2a92,#4a1766);border-radius:14px 14px 4px 14px;margin-left:40px;color:#fff}
.hc-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.chip{font-size:12.5px;padding:7px 12px;border-radius:999px;border:1px solid rgba(255,255,255,.2);color:#e6dcef;cursor:pointer;background:transparent;font-family:inherit;transition:.2s}
.chip:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.4)}
.grade-pill{display:inline-block;padding:3px 9px;border-radius:7px;font:600 12px var(--font-h);background:rgba(31,79,216,.25);color:#b9ccff;margin:2px}
.grade-pill.g{background:rgba(15,158,122,.25);color:#9ff0d7}

/* ---------- Marquee ---------- */
.marquee{background:var(--ink);color:#fff;overflow:hidden;padding:18px 0;border-top:1px solid rgba(255,255,255,.08)}
.marquee-track{display:flex;gap:48px;width:max-content;animation:marq 38s linear infinite}
.marquee span{font:600 15px var(--font-h);display:flex;align-items:center;gap:14px;white-space:nowrap;opacity:.85}
.marquee i{width:12px;height:12px;border-radius:50%;display:inline-block}
@keyframes marq{to{transform:translateX(-50%)}}

/* ---------- Cards / grids ---------- */
.grid{display:grid;gap:26px}
.g-2{grid-template-columns:repeat(2,1fr)}
.g-3{grid-template-columns:repeat(3,1fr)}
.g-4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:32px;transition:.35s;position:relative;overflow:hidden}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:transparent}
.card h3{font-size:22px;margin:18px 0 10px}
.card p{color:var(--muted)}
.icon-box{width:56px;height:56px;border-radius:16px;display:grid;place-items:center;background:var(--soft);color:var(--purple)}
.icon-box svg{width:28px;height:28px}

.product-card{padding:0;display:flex;flex-direction:column}
.product-card .swatch{height:190px;position:relative;overflow:hidden}
.product-card .swatch::after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 30% 30%,rgba(255,255,255,.45),transparent 45%),url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='.35'/%3E%3C/svg%3E");mix-blend-mode:overlay}
.product-card .body{padding:30px;display:flex;flex-direction:column;flex:1}
.product-card .body p{flex:1}
.product-card .tags{display:flex;flex-wrap:wrap;gap:6px;margin:18px 0 22px}
.tag{font:600 12px var(--font-h);padding:6px 10px;border-radius:8px;background:var(--soft);color:var(--purple)}
.link-arrow{font:600 15px var(--font-h);color:var(--purple);display:inline-flex;align-items:center;gap:8px}
.link-arrow svg{width:16px;transition:.25s}
.link-arrow:hover svg{transform:translateX(5px)}
.sw-blue{background:linear-gradient(135deg,#0b1f7a,#1f4fd8 55%,#3f8cff)}
.sw-green{background:linear-gradient(135deg,#034d3c,#0f9e7a 55%,#3fd6a8)}
.sw-spec{background:linear-gradient(135deg,#1e1a6e,#3d2ab8 40%,#0f8a9e)}

/* ---------- Applications ---------- */
.app-card{padding:30px;border-radius:var(--radius);background:#fff;border:1px solid var(--line);position:relative;overflow:hidden;transition:.35s}
.app-card::before{content:"";position:absolute;left:0;top:0;height:4px;width:0;background:var(--spectrum);transition:.5s}
.app-card:hover::before{width:100%}
.app-card:hover{box-shadow:var(--shadow);transform:translateY(-4px)}
.app-card h3{font-size:20px;margin:16px 0 8px}
.app-card p{color:var(--muted);font-size:15px}
.app-num{font:700 13px var(--font-h);color:#c2b3d1}

/* ---------- Stats band ---------- */
.stats{background:var(--purple-deep);color:#fff;overflow:hidden}
.stats::before{content:"";position:absolute;width:700px;height:700px;right:-200px;top:-300px;border-radius:50%;background:conic-gradient(#e53935,#fb8c00,#fdd835,#7cb342,#00acc1,#1e63e9,#7b2ff7,#d81b9a,#e53935);filter:blur(120px);opacity:.28}
.stats .container{position:relative}
.stats .section-head h2{color:#fff}
.stats .section-head p{color:#b9abc8}
.stats .eyebrow{color:#d8b8f0}
.stat{padding:34px;border-radius:var(--radius);background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1)}
.stat b{display:block;font:700 clamp(40px,5vw,58px)/1 var(--font-h);background:var(--spectrum);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat span{display:block;margin-top:12px;color:#cfc3dc;font-weight:500}

/* ---------- AI Grade Finder ---------- */
.finder{background:linear-gradient(180deg,var(--bg),var(--soft))}
.finder-box{display:grid;grid-template-columns:1fr 1fr;border-radius:28px;overflow:hidden;background:#fff;box-shadow:var(--shadow-lg);border:1px solid var(--line)}
.finder-form{padding:48px}
.finder-form h3{font-size:28px;margin-bottom:8px}
.finder-form>p{color:var(--muted);margin-bottom:28px}
.f-group{margin-bottom:22px}
.f-group label.lbl{display:block;font:600 13px var(--font-h);color:var(--ink);margin-bottom:10px;letter-spacing:.02em}
.opt-row{display:flex;flex-wrap:wrap;gap:8px}
.opt{position:relative}
.opt input{position:absolute;opacity:0}
.opt span{display:inline-block;padding:10px 16px;border-radius:12px;border:1.5px solid var(--line);font-size:14px;cursor:pointer;transition:.2s;font-weight:500}
.opt input:checked+span{border-color:var(--purple);background:var(--soft);color:var(--purple)}
.opt input:focus-visible+span{outline:2px solid var(--purple);outline-offset:2px}
.finder-result{background:var(--purple-deep);color:#e8def2;padding:48px;position:relative;overflow:hidden;display:flex;flex-direction:column}
.finder-result::before{content:"";position:absolute;width:420px;height:420px;border-radius:50%;right:-160px;bottom:-160px;background:conic-gradient(#1e63e9,#00acc1,#0f9e7a,#7b2ff7,#1e63e9);filter:blur(90px);opacity:.45}
.finder-result>*{position:relative}
.fr-label{font:600 12px var(--font-h);letter-spacing:.16em;text-transform:uppercase;color:#b89fd0;display:flex;align-items:center;gap:10px}
.fr-grade{font:700 clamp(44px,5vw,64px)/1 var(--font-h);color:#fff;margin:18px 0 6px}
.fr-sub{color:#cbbcd9;font-size:15px}
.fr-why{margin:24px 0;display:grid;gap:10px}
.fr-why li{list-style:none;display:flex;gap:10px;font-size:15px}
.fr-why li::before{content:"";flex:none;width:18px;height:18px;margin-top:3px;border-radius:50%;background:#0f9e7a url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3'%3E%3Cpath d='M5 12l5 5L20 7'/%3E%3C/svg%3E") center/12px no-repeat}
.fr-alt{font-size:14px;color:#b5a6c4;margin-top:auto;padding-top:20px;border-top:1px solid rgba(255,255,255,.1)}
.fr-swatch{width:64px;height:64px;border-radius:18px;box-shadow:0 10px 30px -5px rgba(0,0,0,.5);transition:background .6s}
.thinking{display:inline-flex;gap:4px}
.thinking i{width:6px;height:6px;border-radius:50%;background:#d8b8f0;animation:blink 1.2s infinite}
.thinking i:nth-child(2){animation-delay:.2s}.thinking i:nth-child(3){animation-delay:.4s}
@keyframes blink{0%,80%,100%{opacity:.25}40%{opacity:1}}

/* ---------- Split / feature ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}
.visual-orb{aspect-ratio:1;border-radius:32px;background:radial-gradient(circle at 50% 50%,#2b0f40,var(--purple-deep));position:relative;overflow:hidden;display:grid;place-items:center;box-shadow:var(--shadow-lg)}
.visual-orb img{width:58%;filter:drop-shadow(0 30px 40px rgba(0,0,0,.5));animation:float 6s ease-in-out infinite}
.visual-orb::before{content:"";position:absolute;inset:18%;border-radius:50%;background:conic-gradient(#e53935,#fb8c00,#fdd835,#7cb342,#00acc1,#1e63e9,#7b2ff7,#d81b9a,#e53935);filter:blur(70px);opacity:.5;animation:spin 14s linear infinite}
@keyframes float{50%{transform:translateY(-14px) rotate(-3deg)}}
.check-list{display:grid;gap:14px;margin:26px 0 34px}
.check-list li{list-style:none;display:flex;gap:12px;font-weight:500;color:var(--ink)}
.check-list li::before{content:"";flex:none;width:22px;height:22px;border-radius:50%;background:var(--purple) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3'%3E%3Cpath d='M5 12l5 5L20 7'/%3E%3C/svg%3E") center/13px no-repeat;margin-top:2px}

/* ---------- CQC trio ---------- */
.trio{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-radius:24px;overflow:hidden;box-shadow:var(--shadow)}
.trio div{padding:44px 36px;color:#fff;position:relative}
.trio div:nth-child(1){background:linear-gradient(135deg,#c2185b,#e53935)}
.trio div:nth-child(2){background:linear-gradient(135deg,#6a1b9a,#3949ab)}
.trio div:nth-child(3){background:linear-gradient(135deg,#00838f,#2e7d32)}
.trio h3{color:#fff;font-size:28px;letter-spacing:.04em;margin-bottom:12px}
.trio p{color:rgba(255,255,255,.88)}
.trio .big{position:absolute;right:20px;top:10px;font:800 90px/1 var(--font-h);opacity:.12}

/* ---------- CTA band ---------- */
.cta-band{padding:0 0 100px}
.cta-inner{border-radius:32px;padding:70px;background:var(--purple-deep);color:#e6dcef;position:relative;overflow:hidden;display:grid;grid-template-columns:1.3fr .7fr;gap:40px;align-items:center}
.cta-inner::before{content:"";position:absolute;inset:auto -10% -60% 30%;height:140%;background:conic-gradient(from 90deg,#e53935,#fb8c00,#fdd835,#7cb342,#00acc1,#1e63e9,#7b2ff7,#d81b9a,#e53935);filter:blur(110px);opacity:.35}
.cta-inner>*{position:relative}
.cta-inner h2{color:#fff;font-size:clamp(28px,3.6vw,42px);margin:14px 0}
.cta-inner .eyebrow{color:#d8b8f0}
.cta-actions{display:flex;flex-direction:column;gap:14px;align-items:flex-end}

/* ---------- Page hero (inner pages) ---------- */
.page-hero{background:radial-gradient(100% 120% at 90% 0%,#2c0f44,var(--purple-deep) 60%);color:#cbbfd8;padding:90px 0 80px;overflow:hidden}
.page-hero canvas{position:absolute;inset:0;width:100%;height:100%;opacity:.7}
.page-hero .container{position:relative;z-index:2}
.page-hero h1{color:#fff;font-size:clamp(36px,5vw,60px);margin:18px 0 16px;max-width:820px}
.page-hero p{max-width:680px;font-size:18px}
.page-hero .eyebrow{color:#d8b8f0}
.crumbs{font-size:13px;color:#9f8fb2;margin-bottom:10px}
.crumbs a:hover{color:#fff}

/* ---------- Property strip ---------- */
.props{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:-50px;position:relative;z-index:3}
.prop{background:#fff;border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);border:1px solid var(--line)}
.prop b{font:700 28px var(--font-h);color:var(--ink);display:block}
.prop span{display:block;font:600 14px var(--font-h);color:var(--purple);margin-top:6px}
.prop small{color:var(--muted)}

/* ---------- Tabs + grade cards ---------- */
.tabs{display:inline-flex;gap:6px;padding:6px;background:#fff;border:1px solid var(--line);border-radius:999px;margin-bottom:40px;flex-wrap:wrap}
.tab{border:0;background:none;padding:12px 22px;border-radius:999px;font:600 15px var(--font-h);color:var(--muted);cursor:pointer;transition:.25s}
.tab.active{background:var(--purple);color:#fff}
.tab-panel{display:none;animation:fade .5s}
.tab-panel.active{display:block}
@keyframes fade{from{opacity:0;transform:translateY(10px)}}
.panel-intro{display:flex;justify-content:space-between;gap:30px;align-items:flex-end;margin-bottom:34px;flex-wrap:wrap}
.panel-intro h2{font-size:34px;margin:8px 0}
.panel-intro p{max-width:640px;color:var(--muted)}
.grade{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.3s;display:flex;flex-direction:column}
.grade:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px)}
.grade-top{padding:24px 26px;color:#fff;position:relative;overflow:hidden}
.grade-top::after{content:"";position:absolute;right:-30px;top:-30px;width:130px;height:130px;border-radius:50%;background:rgba(255,255,255,.14)}
.grade-top h3{color:#fff;font-size:28px}
.grade-top .meta{display:flex;gap:8px;margin-top:10px;flex-wrap:wrap}
.grade-top .meta span{font-size:12px;padding:4px 10px;border-radius:999px;background:rgba(255,255,255,.18)}
.grade-body{padding:24px 26px;display:grid;gap:18px;flex:1}
.grade-body h4{font:600 12px var(--font-h);letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:8px}
.meter{height:8px;border-radius:8px;background:var(--soft);overflow:hidden}
.meter i{display:block;height:100%;border-radius:8px;background:var(--spectrum);width:0;animation:meterGrow 1.4s cubic-bezier(.2,.8,.2,1) both}
@keyframes meterGrow{from{width:0}}
.str-row{display:flex;justify-content:space-between;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:8px}
.bullets{display:flex;flex-wrap:wrap;gap:6px}
.bullets span{font-size:13px;padding:5px 10px;border-radius:8px;background:var(--soft);color:var(--ink)}
.bullets.apps span{background:#eef7f4;color:#0b6b53}

/* ---------- Dispersion range ---------- */
.range-nav{display:flex;gap:8px;flex-wrap:wrap;position:sticky;top:78px;z-index:20;background:rgba(251,250,253,.9);backdrop-filter:blur(10px);padding:16px 0;margin-bottom:30px;border-bottom:1px solid var(--line)}
.range-nav a{font:600 13.5px var(--font-h);padding:9px 15px;border-radius:999px;border:1px solid var(--line);background:#fff;transition:.2s;white-space:nowrap}
.range-nav a:hover,.range-nav a.active{border-color:var(--purple);color:var(--purple);background:var(--soft)}
.range{display:grid;grid-template-columns:.9fr 1.1fr;gap:50px;padding:60px 0;border-bottom:1px solid var(--line);scroll-margin-top:150px}
.range:last-child{border:0}
.range-visual{border-radius:24px;min-height:380px;align-self:start;position:sticky;top:150px;overflow:hidden;padding:30px;display:flex;flex-direction:column;justify-content:flex-end;color:#fff}
.range-visual .blob{position:absolute;border-radius:50%;filter:blur(28px);mix-blend-mode:screen;opacity:.85}
.range-visual .brand{position:relative;font:600 12px var(--font-h);letter-spacing:.18em;text-transform:uppercase;opacity:.85}
.range-visual h3{position:relative;color:#fff;font-size:32px;margin-top:6px}
.range h3.t{font-size:28px;margin:8px 0 12px}
.range .compat{background:var(--soft);border-radius:14px;padding:18px 20px;font-size:15px;margin:18px 0}
.range .compat b{color:var(--purple);font-family:var(--font-h)}
.grades-list{display:grid;gap:10px;margin:18px 0}
.grades-list div{border:1px solid var(--line);border-radius:12px;padding:14px 16px;background:#fff;font-size:15px}
.grades-list b{font-family:var(--font-h);color:var(--ink)}
.shades{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}
.shade{display:flex;align-items:center;gap:8px;font-size:12.5px;font-weight:500;padding:5px 12px 5px 5px;border:1px solid var(--line);border-radius:999px;background:#fff}
.shade i{width:22px;height:22px;border-radius:50%;box-shadow:inset 0 -3px 6px rgba(0,0,0,.2),inset 0 3px 6px rgba(255,255,255,.4)}
.perf{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}
.perf span{font-size:12px;padding:5px 10px;border-radius:8px;border:1px solid var(--line);color:var(--text)}
.note{font-size:14px;color:var(--muted);background:#fff;border-left:4px solid var(--purple);padding:16px 20px;border-radius:0 12px 12px 0}

/* ---------- Application detail ---------- */
.app-detail{display:grid;grid-template-columns:320px 1fr;gap:50px;padding:56px 0;border-bottom:1px solid var(--line);scroll-margin-top:100px}
.app-detail:last-of-type{border:0}
.app-detail .ad-side{position:sticky;top:110px;align-self:start}
.ad-badge{width:80px;height:80px;border-radius:24px;display:grid;place-items:center;color:#fff;margin-bottom:18px}
.ad-badge svg{width:38px;height:38px}
.app-detail h2{font-size:32px}
.app-detail p.desc{font-size:17px;margin-bottom:24px}
.use-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:24px}
.use-grid span{padding:14px;border-radius:12px;background:#fff;border:1px solid var(--line);font-size:14px;font-weight:500;color:var(--ink)}
.rec{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.rec b{font:600 13px var(--font-h);text-transform:uppercase;letter-spacing:.12em;color:var(--muted);margin-right:6px}
.rec a{font:700 14px var(--font-h);padding:8px 14px;border-radius:10px;color:#fff;background:var(--pb)}
.rec a.g{background:var(--pg)}
.rec a.s{background:#3d2ab8}

/* ---------- Timeline / story ---------- */
.founder{display:grid;grid-template-columns:auto 1fr;gap:40px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:28px;padding:44px;box-shadow:var(--shadow)}
.founder-mark{width:150px;height:150px;border-radius:50%;background:conic-gradient(#e53935,#fb8c00,#fdd835,#7cb342,#00acc1,#1e63e9,#7b2ff7,#d81b9a,#e53935);display:grid;place-items:center;padding:6px}
.founder-mark span{width:100%;height:100%;border-radius:50%;background:var(--purple-deep);display:grid;place-items:center;font:700 44px var(--font-h);color:#fff}
.founder blockquote{font:500 20px/1.55 var(--font-h);color:var(--ink);margin-bottom:16px}
.companies{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.companies span{font-size:13px;padding:6px 12px;border-radius:999px;background:var(--soft);color:var(--purple);font-weight:600}
.equip{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.equip div{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px 16px;text-align:center;font:600 14px var(--font-h);color:var(--ink);transition:.3s}
.equip div:hover{border-color:var(--purple);transform:translateY(-4px)}
.equip svg{width:34px;height:34px;margin:0 auto 12px;color:var(--purple)}

/* ---------- Contact ---------- */
.contact-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:40px;align-items:start}
.info-card{background:var(--purple-deep);color:#d6cbe2;border-radius:28px;padding:40px;position:relative;overflow:hidden}
.info-card::before{content:"";position:absolute;width:380px;height:380px;border-radius:50%;left:-120px;bottom:-160px;background:conic-gradient(#e53935,#fdd835,#00acc1,#7b2ff7,#e53935);filter:blur(90px);opacity:.35}
.info-card>*{position:relative}
.info-card h3{color:#fff;font-size:24px;margin-bottom:24px}
.info-row{display:flex;gap:16px;padding:16px 0;border-bottom:1px solid rgba(255,255,255,.1)}
.info-row:last-of-type{border:0}
.info-row .ib{width:44px;height:44px;border-radius:12px;background:rgba(255,255,255,.08);display:grid;place-items:center;flex:none;color:#fff}
.info-row .ib svg{width:20px;height:20px}
.info-row small{display:block;color:#9f8fb2;font-size:12px;text-transform:uppercase;letter-spacing:.12em;font-weight:600}
.info-row a,.info-row p{color:#fff;font-weight:500}
.info-row a:hover{text-decoration:underline}
.why-list{margin-top:26px;display:grid;gap:10px}
.why-list li{list-style:none;display:flex;gap:10px;font-size:14.5px}
.why-list li::before{content:"✦";color:#d8b8f0}
.form-card{background:#fff;border:1px solid var(--line);border-radius:28px;padding:44px;box-shadow:var(--shadow)}
.form-card h3{font-size:26px;margin-bottom:6px}
.form-card>p{color:var(--muted);margin-bottom:28px}
.fields{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1/-1}
.field label{font:600 13px var(--font-h);color:var(--ink)}
.field input,.field select,.field textarea{font:inherit;font-size:15px;padding:14px 16px;border:1.5px solid var(--line);border-radius:12px;background:var(--bg);color:var(--ink);transition:.2s;width:100%}
.field textarea{min-height:120px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:0;border-color:var(--purple);background:#fff;box-shadow:0 0 0 4px rgba(86,27,114,.1)}
.field .err{font-size:12px;color:#d32f2f;display:none}
.field.invalid input,.field.invalid select{border-color:#d32f2f}
.field.invalid .err{display:block}
.form-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px;align-items:center}
.form-actions small{color:var(--muted)}
.form-ok{display:none;padding:18px 20px;border-radius:14px;background:#eef7f4;color:#0b6b53;margin-top:18px;font-weight:500}
.map{border-radius:24px;overflow:hidden;border:1px solid var(--line);height:380px;margin-top:40px}
.map iframe{width:100%;height:100%;border:0;filter:saturate(.8)}

/* ---------- Footer ---------- */
.footer{background:var(--purple-deep);color:#a898b8;padding:80px 0 0;position:relative;overflow:hidden}
.footer .spectrum-line{position:absolute;top:0;left:0;right:0;height:4px;background:var(--spectrum)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:40px}
.footer-logo{background:#fff;border-radius:14px;padding:12px 16px;display:inline-block;margin-bottom:20px}
.footer-logo img{height:56px;width:auto;max-width:none}
.footer h4{color:#fff;font-size:15px;margin-bottom:18px;letter-spacing:.02em}
.footer ul{list-style:none;display:grid;gap:10px;font-size:15px}
.footer a:hover{color:#fff}
.footer .slogan{font:500 italic 16px var(--font-h);color:#d8b8f0;margin-top:14px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);margin-top:60px;padding:24px 0;display:flex;justify-content:space-between;gap:20px;font-size:13px;flex-wrap:wrap}

/* ---------- AI Chat widget ---------- */
.ai-fab{position:fixed;right:24px;bottom:24px;z-index:90;display:flex;align-items:center;gap:12px;padding:10px 20px 10px 10px;border-radius:999px;border:0;cursor:pointer;background:var(--purple-deep);color:#fff;font:600 15px var(--font-h);box-shadow:0 18px 40px -10px rgba(40,10,60,.6);transition:.3s}
.ai-fab:hover{transform:translateY(-3px)}
.ai-fab .ai-dot{width:40px;height:40px}
.ai-fab .pulse{position:absolute;inset:-4px;border-radius:999px;border:2px solid #7b2ff7;animation:pulse 2.4s infinite;pointer-events:none}
@keyframes pulse{0%{opacity:.8;transform:scale(1)}100%{opacity:0;transform:scale(1.18)}}
.wa-fab{position:fixed;right:24px;bottom:94px;z-index:89;width:54px;height:54px;border-radius:50%;background:#25d366;display:grid;place-items:center;box-shadow:0 12px 30px -8px rgba(37,211,102,.6);transition:.3s}
.wa-fab:hover{transform:scale(1.08)}
.wa-fab svg{width:28px;height:28px;fill:#fff}
.chat{position:fixed;right:24px;bottom:24px;z-index:100;width:400px;max-width:calc(100vw - 32px);height:600px;max-height:calc(100vh - 48px);background:#fff;border-radius:24px;box-shadow:0 40px 80px -20px rgba(30,5,50,.5);display:flex;flex-direction:column;overflow:hidden;transform:translateY(20px) scale(.96);opacity:0;pointer-events:none;transition:.35s cubic-bezier(.2,.8,.2,1);transform-origin:bottom right}
.chat.open{transform:none;opacity:1;pointer-events:auto}
.chat-head{background:var(--purple-deep);color:#fff;padding:18px 20px;display:flex;align-items:center;gap:12px;position:relative}
.chat-head::after{content:"";position:absolute;left:0;right:0;bottom:0;height:3px;background:var(--spectrum)}
.chat-head h4{color:#fff;font-size:16px}
.chat-head small{color:#b5a6c4;font-size:12px;display:flex;align-items:center;gap:6px}
.chat-head small::before{content:"";width:7px;height:7px;border-radius:50%;background:#3ddc84}
.chat-close{margin-left:auto;background:rgba(255,255,255,.1);border:0;color:#fff;width:34px;height:34px;border-radius:10px;cursor:pointer;font-size:20px;line-height:1}
.chat-close:hover{background:rgba(255,255,255,.2)}
.chat-body{flex:1;overflow-y:auto;padding:20px;background:var(--bg);display:flex;flex-direction:column;gap:12px}
.msg{max-width:88%;padding:12px 15px;border-radius:16px;font-size:14.5px;line-height:1.55;animation:fade .35s}
.msg.bot{background:#fff;border:1px solid var(--line);border-radius:16px 16px 16px 4px;color:var(--ink);align-self:flex-start}
.msg.user{background:var(--purple);color:#fff;border-radius:16px 16px 4px 16px;align-self:flex-end}
.msg .gp{display:inline-block;padding:2px 8px;border-radius:6px;font:700 12px var(--font-h);background:#e7edff;color:var(--pb);margin:1px}
.msg .gp.g{background:#e4f6f0;color:var(--pg)}
.msg a{color:var(--purple);font-weight:600;text-decoration:underline}
.chips{display:flex;flex-wrap:wrap;gap:6px;align-self:flex-start;animation:fade .4s}
.chips button{font:500 13px var(--font-b);padding:8px 13px;border-radius:999px;border:1.5px solid #e0d3ec;background:#fff;color:var(--purple);cursor:pointer;transition:.2s}
.chips button:hover{background:var(--purple);color:#fff;border-color:var(--purple)}
.typing{align-self:flex-start;background:#fff;border:1px solid var(--line);padding:14px 16px;border-radius:16px 16px 16px 4px}
.typing .thinking i{background:var(--purple)}
.chat-foot{padding:14px;border-top:1px solid var(--line);display:flex;gap:10px;background:#fff}
.chat-foot input{flex:1;font:inherit;font-size:14.5px;padding:12px 16px;border-radius:999px;border:1.5px solid var(--line);background:var(--bg)}
.chat-foot input:focus{outline:0;border-color:var(--purple)}
.chat-foot button{width:46px;height:46px;border-radius:50%;border:0;background:var(--purple);color:#fff;cursor:pointer;display:grid;place-items:center;flex:none}
.chat-foot button svg{width:20px;height:20px}
.chat-note{font-size:11px;color:var(--muted);text-align:center;padding:0 14px 10px;background:#fff}

/* ---------- Reveal on scroll ---------- */
.reveal{opacity:0;transform:translateY(30px);transition:opacity .8s ease,transform .8s cubic-bezier(.2,.8,.2,1)}
.reveal.in{opacity:1;transform:none}
.d1{transition-delay:.08s}.d2{transition-delay:.16s}.d3{transition-delay:.24s}.d4{transition-delay:.32s}.d5{transition-delay:.4s}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}.reveal{opacity:1;transform:none}}

/* ---------- Responsive ---------- */
@media (max-width:1080px){
  .g-4,.props{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .equip{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:960px){
  section{padding:80px 0}
  .menu-toggle{display:block}
  .nav{position:fixed;inset:78px 0 auto 0;flex-direction:column;align-items:stretch;background:#fff;padding:16px 20px 24px;border-bottom:1px solid var(--line);box-shadow:var(--shadow-lg);transform:translateY(-12px);opacity:0;pointer-events:none;transition:.3s}
  .menu-open .nav{transform:none;opacity:1;pointer-events:auto}
  .nav a{padding:14px}
  .nav a.active::after{display:none}
  .nav .btn{margin:10px 0 0;justify-content:center}
  .hero .container,.split,.finder-box,.cta-inner,.contact-grid,.range,.app-detail{grid-template-columns:1fr}
  .hero{min-height:auto;padding:80px 0 100px}
  .hero-card{max-width:520px}
  .g-3{grid-template-columns:repeat(2,1fr)}
  .trio{grid-template-columns:1fr}
  .cta-inner{padding:48px 32px}
  .cta-actions{align-items:flex-start}
  .app-detail .ad-side{position:static}
  .range-nav{top:78px}
  .topbar .tb-links a:nth-child(2){display:none}
}
@media (max-width:640px){
  .container{width:calc(100% - 32px)}
  .g-2,.g-3,.g-4,.props,.fields,.use-grid{grid-template-columns:1fr}
  .equip{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr}
  .finder-form,.finder-result,.form-card,.info-card{padding:30px 22px}
  .founder{grid-template-columns:1fr;padding:30px}
  .card{padding:26px}
  .logo img{height:48px;width:auto}
  .topbar .tb-left{display:none}
  .topbar .container{justify-content:center}
  .ai-fab .lbl{display:none}
  .ai-fab{padding:10px}
  .chat{right:16px;bottom:16px}
  .ai-fab,.wa-fab{right:16px}
  .hero-badges{gap:18px}
  .props{margin-top:-40px}
}
@media (max-width:960px){.range-visual{position:relative;top:auto;min-height:260px}}

/* ---------- Legal pages ---------- */
.legal{max-width:820px}
.legal-updated{color:var(--muted);font-size:14px;margin-bottom:30px}
.legal h2{font-size:22px;margin:34px 0 12px}
.legal p{margin-bottom:12px}
.legal ul{margin:0 0 14px 20px;display:grid;gap:8px}
.legal a{color:var(--purple);font-weight:600}
.form-actions .consent{width:100%;font-size:13px;color:var(--muted)}
.form-actions .consent a{color:var(--purple);font-weight:600}

/* ---------- Mobile touch refinements ---------- */
@media (max-width:640px){
  .chip,.chips button{min-height:40px;padding:10px 14px}
  .range-nav{flex-wrap:nowrap;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none;margin-inline:-16px;padding-inline:16px}
  .range-nav::-webkit-scrollbar{display:none}
  .opt span{padding:11px 14px}
}
@media (max-width:640px){
  /* 16px inputs stop iOS Safari auto-zooming on focus */
  .chat-foot input,.field input,.field select,.field textarea{font-size:16px}
  /* chat fills the phone screen, respecting browser toolbars */
  .chat{left:8px;right:8px;bottom:8px;width:auto;max-width:none;height:calc(100vh - 16px);height:calc(100dvh - 16px);max-height:none;border-radius:20px}
}