/* ---------- Fonts (bundled, offline) ---------- */
@font-face{font-family:"Bricolage Grotesque";src:url("fonts/bricolage_semibold.ttf") format("truetype");font-weight:600;font-display:swap}
@font-face{font-family:"Bricolage Grotesque";src:url("fonts/bricolage_bold.ttf") format("truetype");font-weight:700;font-display:swap}
@font-face{font-family:"Bricolage Grotesque";src:url("fonts/bricolage_extrabold.ttf") format("truetype");font-weight:800;font-display:swap}
@font-face{font-family:"Nunito";src:url("fonts/nunito_regular.ttf") format("truetype");font-weight:400;font-display:swap}
@font-face{font-family:"Nunito";src:url("fonts/nunito_semibold.ttf") format("truetype");font-weight:600;font-display:swap}
@font-face{font-family:"Nunito";src:url("fonts/nunito_bold.ttf") format("truetype");font-weight:700;font-display:swap}

/* ---------- Tokens (from the app design system) ---------- */
:root{
  --accent:#F1541E;
  --accent-dark:#DF420C;
  --accent-soft:#FDE9E1;
  --accent-tint:#FFF5F0;
  --ink:#0D0D0D;
  --ink-64:rgba(13,13,13,.64);
  --ink-40:rgba(13,13,13,.40);
  --hairline:rgba(13,13,13,.08);
  --surface:#FFFFFF;
  --surface-alt:#F5F4F2;
  --ground:#2F0E0A;
  --info:#0074E0;
  --success:#1B9E5A;
  --radius:20px;
  --radius-lg:28px;
  --shadow:0 12px 40px -16px rgba(47,14,10,.25);
  --head:"Bricolage Grotesque",system-ui,-apple-system,"Segoe UI",sans-serif;
  --body:"Nunito",system-ui,-apple-system,"Segoe UI",sans-serif;
  --gutter:16px;
  --max:1120px;
}
@media (min-width:640px){:root{--gutter:32px}}
@media (min-width:1024px){:root{--gutter:48px}}

*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--surface);color:var(--ink);font-family:var(--body);font-size:16px;line-height:1.5;overflow-x:hidden}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
h1,h2,h3{font-family:var(--head);margin:0;letter-spacing:-.01em;line-height:1.15}
p{margin:0}
.wrap{width:100%;max-width:var(--max);margin:0 auto;padding-left:var(--gutter);padding-right:var(--gutter)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-family:var(--head);font-weight:600;font-size:13px;letter-spacing:.06em;text-transform:uppercase;color:var(--accent-dark);background:var(--accent-soft);padding:6px 12px;border-radius:999px}
.eyebrow-dark{background:rgba(255,255,255,.12);color:#fff}
.h2{font-size:clamp(28px,4.2vw,44px);font-weight:700}
.lead{color:var(--ink-64);font-size:clamp(16px,1.6vw,19px)}
.section{padding:clamp(56px,9vw,112px) 0}
.section-head{display:grid;gap:14px;justify-items:start;margin-bottom:clamp(32px,5vw,56px)}
.section-head.center{text-align:center;justify-items:center}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;font-family:var(--head);font-weight:600;font-size:16px;padding:14px 22px;border-radius:999px;border:0;cursor:pointer;transition:transform .15s ease,box-shadow .15s ease,background .15s ease;white-space:nowrap}
.btn:active{transform:scale(.98)}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 10px 24px -10px rgba(241,84,30,.7)}
.btn-primary:hover{background:var(--accent-dark)}
.btn-ghost{background:var(--surface);color:var(--ink);border:1.5px solid var(--hairline)}
.btn-ghost:hover{border-color:var(--ink-40)}
.btn svg{width:20px;height:20px;flex:none}

/* ---------- Nav ---------- */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.85);backdrop-filter:saturate(180%) blur(14px);-webkit-backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid var(--hairline)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--head);font-weight:800;font-size:22px;letter-spacing:-.02em;color:var(--ink)}
.brand-mark{width:36px;height:36px;border-radius:11px;background:var(--ground);display:grid;place-items:center;overflow:hidden;flex:none}
.brand-mark img{width:100%;height:100%;object-fit:cover;transform:scale(1.35) translateY(8%)}
.brand-sm{font-size:18px}
.brand-sm .brand-mark{width:28px;height:28px;border-radius:8px}
.nav-links{display:none;gap:28px;font-weight:600;color:var(--ink-64)}
.nav-links a:hover{color:var(--ink)}
.nav-cta{display:none}
.nav-toggle{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;width:44px;height:44px;padding:0;border-radius:12px;border:0;background:transparent;cursor:pointer;margin-right:-8px}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s,opacity .2s}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(8px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}
.nav-mobile{display:none;position:absolute;top:100%;left:0;right:0;border-top:1px solid var(--hairline);background:var(--surface);box-shadow:0 16px 32px -16px rgba(47,14,10,.25)}
.nav-mobile.open{display:block}
.nav-mobile .wrap{display:grid;gap:4px;padding-top:12px;padding-bottom:16px;height:auto}
.nav-mobile a{padding:12px 8px;font-weight:600;border-radius:12px}
.nav-mobile a:hover{background:var(--surface-alt)}
.nav-mobile .btn{margin-top:8px}
@media (min-width:1024px){
  .nav-links,.nav-cta{display:inline-flex}
  .nav-toggle,.nav-mobile{display:none!important}
}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:linear-gradient(180deg,var(--accent-tint) 0%,var(--surface) 100%)}
.hero::before{content:"";position:absolute;inset:auto -20% -40% -20%;height:70%;background:radial-gradient(60% 60% at 50% 50%,rgba(241,84,30,.14),transparent 70%);pointer-events:none}
.hero .wrap{position:relative;display:grid;gap:36px;padding-top:clamp(40px,7vw,96px);padding-bottom:clamp(32px,6vw,88px);align-items:center}
.hero-copy{display:grid;gap:20px;text-align:center;justify-items:center}
.hero h1{font-size:clamp(36px,6.5vw,68px);font-weight:800;letter-spacing:-.025em;line-height:1.05;max-width:14ch}
.hero h1 em{font-style:normal;color:var(--accent)}
.hero .lead{max-width:44ch}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:6px}
.hero-meta{display:flex;flex-wrap:wrap;gap:8px 18px;justify-content:center;color:var(--ink-64);font-size:14px;font-weight:600}
.hero-meta span{display:inline-flex;align-items:center;gap:6px}
.hero-meta svg{width:16px;height:16px;color:var(--success)}
.hero-art{position:relative;display:grid;place-items:center;min-height:300px}
.hero-blob{position:absolute;width:min(78vw,420px);aspect-ratio:1;border-radius:46% 54% 52% 48%/48% 44% 56% 52%;background:linear-gradient(145deg,#FFD9C9,#FFB79A);animation:blob 9s ease-in-out infinite alternate}
.hero-art>img{position:relative;width:min(70vw,380px);border-radius:28px;box-shadow:0 30px 60px -20px rgba(47,14,10,.35);animation:float 5s ease-in-out infinite}
.hero-chip{position:absolute;background:#fff;border-radius:16px;padding:10px 14px;box-shadow:var(--shadow);display:flex;align-items:center;gap:10px;font-weight:700;font-size:14px;border:1px solid var(--hairline)}
.hero-chip .ic{width:32px;height:32px;border-radius:10px;display:grid;place-items:center;flex:none}
.hero-chip .ic-accent{background:var(--accent-soft);color:var(--accent-dark)}
.hero-chip .avatar{width:32px;height:32px;border-radius:50%;flex:none}
.hero-chip small{display:block;font-weight:600;color:var(--ink-64);font-size:12px}
.chip-a{top:4%;left:0;animation:float 6s ease-in-out infinite reverse}
.chip-b{bottom:6%;right:0;animation:float 7s ease-in-out infinite}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}
@keyframes blob{0%{border-radius:46% 54% 52% 48%/48% 44% 56% 52%}100%{border-radius:54% 46% 44% 56%/52% 58% 42% 48%}}
@media (min-width:640px){
  .hero-art{min-height:400px}
}
@media (min-width:1024px){
  .hero .wrap{grid-template-columns:1.05fr .95fr;gap:48px}
  .hero-copy{text-align:left;justify-items:start}
  .hero-actions,.hero-meta{justify-content:flex-start}
  .hero-art{min-height:520px}
  .hero-blob{width:min(40vw,480px)}
  .hero-art>img{width:min(36vw,440px)}
}

/* ---------- Feature strip ---------- */
.strip{border-top:1px solid var(--hairline);border-bottom:1px solid var(--hairline);background:var(--surface)}
.strip .wrap{display:grid;grid-template-columns:repeat(2,1fr);gap:0}
.strip-item{display:flex;align-items:center;gap:12px;padding:18px 8px;font-family:var(--head);font-weight:600;font-size:15px}
.strip-item svg{width:22px;height:22px;color:var(--accent);flex:none}
@media (min-width:640px){.strip .wrap{grid-template-columns:repeat(4,1fr)}.strip-item{justify-content:center;padding:22px 8px}}

/* ---------- Features ---------- */
.feature-grid{display:grid;gap:18px}
.feature{position:relative;overflow:hidden;background:var(--surface-alt);border-radius:var(--radius-lg);padding:28px 24px;display:grid;gap:14px;align-content:start;border:1px solid var(--hairline);transition:transform .2s ease,box-shadow .2s ease}
.feature:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.feature .ic{width:52px;height:52px;border-radius:16px;display:grid;place-items:center;background:#fff;box-shadow:0 6px 16px -8px rgba(47,14,10,.25)}
.feature .ic svg{width:26px;height:26px}
.feature h3{font-size:22px;font-weight:700}
.feature p{color:var(--ink-64);font-size:15.5px}
.feature ul{margin:4px 0 0;padding:0;list-style:none;display:grid;gap:8px;font-size:14.5px;font-weight:600}
.feature li{display:flex;gap:8px;align-items:flex-start}
.feature li::before{content:"";flex:none;width:6px;height:6px;border-radius:50%;background:var(--accent);margin-top:8px}
.feature.hero-card{background:var(--ground);color:#fff;border-color:transparent;min-height:420px}
.feature.hero-card p,.feature.hero-card li{color:rgba(255,255,255,.8)}
.feature.hero-card .ic{background:rgba(255,255,255,.1);box-shadow:none}
.feature.hero-card::after{content:"";position:absolute;inset:0;background:radial-gradient(70% 55% at 85% 95%,rgba(241,84,30,.42),transparent 70%);pointer-events:none}
.feature.hero-card img{position:absolute;z-index:1;right:-6%;bottom:-8%;width:56%;max-width:260px;pointer-events:none}
.feature.hero-card .feature-body{position:relative;z-index:1;max-width:62%;display:grid;gap:14px}
@media (min-width:640px){
  .feature-grid{grid-template-columns:repeat(2,1fr)}
  .feature.hero-card{grid-column:1/-1;padding:36px;min-height:0}
  .feature.hero-card .feature-body{max-width:55%}
  .feature.hero-card img{width:auto;height:112%;max-width:none;right:-4%;bottom:-12%}
}
@media (min-width:1024px){
  .feature-grid{grid-template-columns:1.35fr 1fr 1fr}
  .feature.hero-card{grid-column:1;grid-row:span 2}
  .feature.hero-card .feature-body{max-width:100%}
  .feature.hero-card img{width:auto;height:66%;max-width:none;right:-5%;bottom:-7%}
}

/* ---------- How it works ---------- */
.how{background:linear-gradient(180deg,var(--surface) 0%,var(--accent-tint) 100%)}
.steps{display:grid;gap:18px;counter-reset:step}
.step{background:#fff;border:1px solid var(--hairline);border-radius:var(--radius);padding:24px;display:grid;gap:10px;align-content:start;position:relative}
.step::before{counter-increment:step;content:counter(step,decimal-leading-zero);font-family:var(--head);font-weight:800;font-size:44px;line-height:1;color:var(--accent)}
.step h3{font-size:19px;font-weight:700}
.step p{color:var(--ink-64);font-size:15px}
@media (min-width:640px){.steps{grid-template-columns:repeat(3,1fr)}}

/* ---------- Topics ---------- */
.topics{background:var(--accent-tint)}
.topic-row{display:flex;align-items:flex-start;gap:14px;overflow-x:auto;padding:4px var(--gutter) 18px;margin:0 calc(-1 * var(--gutter));scroll-snap-type:x mandatory;scrollbar-width:none;-webkit-overflow-scrolling:touch}
.topic-row::-webkit-scrollbar{display:none}
.topic{flex:none;width:156px;scroll-snap-align:start;background:#fff;border-radius:var(--radius);padding:10px;border:1px solid var(--hairline);display:grid;gap:10px;align-content:start;transition:transform .2s}
.topic:hover{transform:translateY(-3px)}
.topic img{width:100%;height:auto;aspect-ratio:1;object-fit:cover;border-radius:14px}
.topic strong{font-family:var(--head);font-weight:600;font-size:15px;display:block;padding:0 4px}
.topic small{display:inline-flex;align-items:center;gap:6px;color:var(--ink-64);font-size:12px;font-weight:600;padding:0 4px 4px}
.topic small .dot{width:8px;height:8px;border-radius:50%}
.tag-listen{background:var(--info)}
.tag-chat{background:var(--accent)}
.topic-groups{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}
.topic-groups span{background:#fff;border:1px solid var(--hairline);border-radius:999px;padding:6px 12px;font-size:13px;font-weight:700}
@media (min-width:1024px){
  .topic-row{margin:0;padding:4px 0 8px;overflow:visible;flex-wrap:wrap}
  .topic{width:calc((100% - 5*14px)/6)}
}

/* ---------- Languages ---------- */
.lang-grid{display:flex;flex-wrap:wrap;justify-content:center;gap:12px}
.lang{flex:0 0 calc((100% - 2*12px)/3);display:flex;flex-direction:column;align-items:center;justify-content:flex-start;gap:10px;padding:16px 8px;border-radius:var(--radius);background:var(--surface-alt);border:1px solid var(--hairline);font-weight:700;font-size:14px;text-align:center}
.lang img{width:44px;height:30px;object-fit:cover;border-radius:6px;box-shadow:0 2px 6px rgba(0,0,0,.12)}
@media (min-width:640px){.lang{flex-basis:calc((100% - 4*12px)/5)}}
@media (min-width:1024px){.lang{flex-basis:calc((100% - 6*12px)/7);padding:20px 8px}}

/* ---------- Principles ---------- */
.principles{padding-top:0}
.principles .wrap{display:grid;gap:18px}
.principle{display:flex;gap:16px;align-items:flex-start;padding:22px;border-radius:var(--radius);border:1px solid var(--hairline);background:#fff}
.principle .ic{flex:none;width:44px;height:44px;border-radius:14px;background:var(--accent-soft);color:var(--accent-dark);display:grid;place-items:center}
.principle .ic svg{width:22px;height:22px}
.principle h3{font-size:18px;font-weight:700;margin-bottom:4px}
.principle p{color:var(--ink-64);font-size:15px}
@media (min-width:640px){.principles .wrap{grid-template-columns:repeat(3,1fr)}}

/* ---------- Download CTA ---------- */
.cta{padding:0 0 clamp(56px,9vw,112px)}
.cta-card{position:relative;overflow:hidden;background:var(--ground);color:#fff;border-radius:var(--radius-lg);padding:clamp(32px,6vw,72px) clamp(24px,5vw,64px);display:grid;gap:22px;text-align:center;justify-items:center}
.cta-card::before{content:"";position:absolute;inset:0;background:radial-gradient(70% 70% at 80% 10%,rgba(241,84,30,.45),transparent 60%)}
.cta-card>*{position:relative}
.cta-card h2{font-size:clamp(28px,4.5vw,48px);font-weight:800;max-width:18ch}
.cta-card p{color:rgba(255,255,255,.78);max-width:46ch;font-size:clamp(15px,1.5vw,18px)}
.cta-card .btn-primary{box-shadow:0 14px 30px -10px rgba(241,84,30,.8)}
.cta-card img{width:min(60vw,240px);border-radius:24px;box-shadow:0 20px 40px -10px rgba(0,0,0,.45)}
@media (min-width:1024px){
  .cta-card{grid-template-columns:1fr auto;text-align:left;justify-items:start;align-items:center;gap:16px 48px}
  .cta-card img{grid-column:2;grid-row:1/span 4;width:280px}
}

/* ---------- Footer ---------- */
.footer{border-top:1px solid var(--hairline);padding:32px 0 40px;color:var(--ink-64);font-size:14px}
.footer .wrap{display:grid;gap:18px}
.footer .copy{margin-top:8px}
.footer-links{display:flex;flex-wrap:wrap;gap:8px 20px;font-weight:600}
.footer-links a:hover{color:var(--ink)}
@media (min-width:640px){.footer .wrap{grid-template-columns:1fr auto;align-items:center}}

/* ---------- Reveal on scroll ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}