/* ============================================================
   Ravela Thai — shared site styles
   Cream base (welcoming) + navy/purple accent (the wordmark look)
   ============================================================ */
:root{
  --terra:#5b3ce0;--terra-d:#3f1fb0;
  --cream:#fbf4ea;--card:#fffaf3;
  --gold:#cf9b38;--teal:#2f7a72;
  --ink:#2c2017;--muted:#6f5d4e;--line:#ece0cf;--danger:#b4452f;
  /* navy + gradient system (matches the wordmark) */
  --navy:#000719;--navy-2:#0a1230;--navy-line:rgba(255,255,255,.10);
  --grad:linear-gradient(135deg,#3d7bfd 0%,#6b4bf0 55%,#8b2fe0 100%);
  --grad-soft:linear-gradient(135deg,#5346e8,#7b32e0);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--cream);color:var(--ink);font-family:"Sarabun",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.6}
h1,h2,h3,h4{font-family:"Fraunces","Noto Sans Thai Looped",Georgia,serif;font-weight:600;line-height:1.15;margin:0 0 14px}
.thai{font-family:"Noto Sans Thai Looped","Sarabun"}
a{color:inherit}
img{max-width:100%}
.wrap{max-width:1080px;margin:0 auto;padding:0 22px}
.wrap-narrow{max-width:780px;margin:0 auto;padding:0 22px}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* ---------- buttons ---------- */
.btn{display:inline-block;background:var(--grad-soft);color:#fff;text-decoration:none;font-weight:700;padding:14px 26px;border-radius:12px;border:0;font-size:16px;cursor:pointer;transition:transform .15s,filter .15s}
.btn:hover{filter:brightness(1.07);transform:translateY(-1px)}
.btn.ghost{background:transparent;color:var(--terra);border:2px solid var(--terra)}
.btn.ghost-light{background:transparent;color:#fff;border:2px solid rgba(255,255,255,.5)}
.btn.sm{padding:10px 18px;font-size:15px}
.btn.grad{background:var(--grad)}

/* ---------- header / nav ---------- */
header.site{position:sticky;top:0;z-index:40;background:rgba(251,244,234,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
header.site .bar{display:flex;align-items:center;gap:16px;padding:12px 22px;max-width:1180px;margin:0 auto}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;font-family:"Fraunces";font-weight:600;font-size:19px;color:var(--ink)}
.logo img{width:34px;height:34px;border-radius:9px}
.nav{margin-left:auto;display:flex;align-items:center;gap:24px}
.nav a.link{text-decoration:none;color:var(--ink);font-weight:600;font-size:15px;opacity:.82;transition:.15s;white-space:nowrap}
.nav a.link:hover{opacity:1;color:var(--terra-d)}
.nav a.link.active{color:var(--terra-d);opacity:1}
.nav a.link.active::after{content:"";display:block;height:2px;border-radius:2px;background:var(--grad);margin-top:2px}
.hamburger{display:none;margin-left:auto;background:none;border:0;cursor:pointer;padding:8px}
.hamburger span{display:block;width:24px;height:2px;background:var(--ink);margin:5px 0;border-radius:2px;transition:.2s}
@media(max-width:860px){
  .nav{position:fixed;top:0;right:0;bottom:0;left:auto;height:100vh;height:100dvh;overflow-y:auto;width:min(78vw,320px);flex-direction:column;align-items:flex-start;gap:6px;background:var(--card);padding:80px 26px;transform:translateX(100%);transition:transform .25s;box-shadow:-20px 0 60px rgba(0,0,0,.18);margin-left:0;z-index:55}
  .nav.open{transform:translateX(0)}
  .nav a.link{font-size:18px;padding:10px 0;width:100%;border-bottom:1px solid var(--line)}
  .nav .btn{margin-top:12px}
  .hamburger{display:block;z-index:60}
  body.nav-open{overflow:hidden}
  .nav-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.35);opacity:0;pointer-events:none;transition:.25s;z-index:39}
  .nav-backdrop.show{opacity:1;pointer-events:auto}
}

/* ---------- sections ---------- */
section{padding:60px 0}
.sec-head{text-align:center;max-width:680px;margin:0 auto 40px}
.sec-head .kicker{display:inline-block;background:var(--cream);border:1px solid var(--line);color:var(--terra-d);font-weight:700;font-size:12px;letter-spacing:.08em;text-transform:uppercase;padding:6px 14px;border-radius:999px;margin-bottom:14px}
.sec-head h2{font-size:clamp(26px,4vw,40px)}
.sec-head p{color:var(--muted);font-size:17px;margin:0}
.pill{display:inline-block;background:var(--cream);border:1px solid var(--line);color:var(--terra-d);font-weight:700;font-size:13px;padding:6px 14px;border-radius:999px;margin-bottom:18px}

/* ---------- navy hero band ---------- */
.hero-navy{background:radial-gradient(1200px 600px at 70% -10%,rgba(107,75,240,.35),transparent 60%),radial-gradient(900px 500px at 0% 10%,rgba(61,123,253,.25),transparent 55%),var(--navy);color:#eaf0ff;position:relative;overflow:hidden}
.hero-navy .wrap{position:relative;z-index:2}
.hero-navy .wordmark{max-width:520px;width:100%;margin-bottom:26px;filter:drop-shadow(0 10px 40px rgba(80,60,240,.35))}
.hero-navy h1{color:#fff;font-size:clamp(34px,6vw,62px);margin-bottom:16px}
.hero-navy p.lead{font-size:clamp(17px,2.4vw,22px);color:#b9c4e6;max-width:620px;margin:0 0 28px}
.hero-navy .cta-row{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.hero-navy .sub{color:#8b97bf;font-size:14px;margin-top:16px}
.hero-navy .glow{position:absolute;border-radius:50%;filter:blur(80px);opacity:.5;z-index:1}
.page-hero{background:var(--navy);color:#eaf0ff;padding:64px 0 54px;text-align:center;position:relative;overflow:hidden;background-image:radial-gradient(900px 420px at 50% -20%,rgba(107,75,240,.4),transparent 60%)}
.page-hero h1{color:#fff;font-size:clamp(30px,5vw,50px)}
.page-hero p{color:#b9c4e6;max-width:640px;margin:0 auto;font-size:clamp(16px,2.2vw,20px)}
.page-hero .kicker{display:inline-block;color:#8fa0d8;font-weight:700;font-size:12px;letter-spacing:.14em;text-transform:uppercase;margin-bottom:14px}

/* ---------- tone hook cards ---------- */
.hook{margin-top:8px;display:flex;gap:12px;flex-wrap:wrap}
.hook .card{background:rgba(255,255,255,.06);border:1px solid var(--navy-line);border-radius:16px;padding:14px 18px;text-align:center;min-width:110px}
.hook .card .big{font-family:"Noto Sans Thai Looped";font-size:32px;font-weight:700;color:#fff;line-height:1}
.hook .card .r{color:#9aa6cf;font-size:13px;margin-top:6px}
.hook .card .g{font-weight:700;font-size:14px;margin-top:2px;color:#d7ddf3}
.hook-cream .card{background:var(--card);border-color:var(--line)}
.hook-cream .card .big{color:var(--terra-d)}
.hook-cream .card .r{color:var(--muted)}
.hook-cream .card .g{color:var(--ink)}

/* ---------- strip ---------- */
.strip{background:var(--navy);color:var(--cream);text-align:center;padding:26px 0;font-family:"Fraunces";font-size:clamp(18px,3vw,26px);font-weight:600}
.strip span{color:var(--gold)}

/* ---------- feature grid ---------- */
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:18px}
.grid-2{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:22px}
.feat{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:24px;transition:transform .18s,box-shadow .18s}
.feat:hover{transform:translateY(-3px);box-shadow:0 16px 40px rgba(91,60,224,.10)}
.feat .ic{width:48px;height:48px;border-radius:12px;background:var(--grad);display:grid;place-items:center;margin-bottom:14px;color:#fff;font-size:22px}
.feat h3{font-size:20px;margin-bottom:6px}
.feat p{margin:0;color:var(--muted);font-size:15px}

/* alternating feature rows (The App page) */
.frow{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;margin:0 auto 8px;max-width:980px}
.frow + .frow{margin-top:60px}
.frow.rev .ftext{order:2}
.frow .ftext .tag{display:inline-block;background:var(--cream);border:1px solid var(--line);color:var(--terra-d);font-weight:700;font-size:12px;letter-spacing:.06em;text-transform:uppercase;padding:5px 12px;border-radius:999px;margin-bottom:12px}
.frow .ftext h3{font-size:clamp(22px,3vw,30px)}
.frow .ftext p{color:var(--muted);font-size:16.5px;margin:0 0 14px}
.frow .fvis{background:var(--card);border:1px solid var(--line);border-radius:22px;padding:24px;box-shadow:0 20px 50px rgba(91,60,224,.10);min-height:220px;display:flex;flex-direction:column;justify-content:center}
@media(max-width:760px){.frow{grid-template-columns:1fr;gap:20px}.frow.rev .ftext{order:0}}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px}
.step{padding:24px;background:var(--card);border:1px solid var(--line);border-radius:16px}
.step .n{font-family:"Fraunces";font-size:30px;font-weight:700;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* ---------- tone coach demo ---------- */
.demo-sec{background:linear-gradient(180deg,#fff7ec,#fbf4ea)}
.demo{max-width:760px;margin:0 auto;background:var(--card);border:1px solid var(--line);border-radius:24px;padding:26px;box-shadow:0 20px 60px rgba(91,60,224,.12)}
.tone-chips{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;margin-bottom:22px}
.chip{border:2px solid var(--line);background:#fff;color:var(--muted);font-weight:700;font-size:14px;padding:8px 15px;border-radius:999px;cursor:pointer;font-family:inherit;transition:.15s}
.chip:hover{border-color:var(--terra)}
.chip.on{background:var(--terra);border-color:var(--terra);color:#fff}
.word{text-align:center;margin-bottom:18px}
.word .th{font-family:"Noto Sans Thai Looped";font-size:64px;font-weight:700;color:var(--terra-d);line-height:1}
.word .rom{font-size:20px;color:var(--ink);font-weight:600;margin-top:6px}
.word .meta{color:var(--muted);font-size:15px;margin-top:2px}
.canvas-wrap{position:relative;background:#fffdf9;border:1px solid var(--line);border-radius:16px;padding:10px;margin-bottom:16px}
canvas{width:100%;height:190px;display:block}
.canv-legend{display:flex;gap:18px;justify-content:center;font-size:13px;color:var(--muted);margin-top:4px;flex-wrap:wrap}
.canv-legend b{display:inline-block;width:22px;height:0;border-top:3px solid;vertical-align:middle;margin-right:6px}
.demo-btns{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}
.result{text-align:center;margin-top:18px;min-height:52px}
.score{font-family:"Fraunces";font-size:44px;font-weight:700;line-height:1}
.score.good{color:var(--teal)} .score.mid{color:var(--gold)} .score.low{color:var(--danger)}
.result .msg{color:var(--muted);font-size:15px;margin-top:2px}
.demo-note{text-align:center;color:var(--muted);font-size:14px;margin-top:20px}
.rec-dot{display:inline-block;width:10px;height:10px;border-radius:50%;background:var(--danger);margin-right:8px;animation:pulse 1s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.25}}

/* ---------- tone explorer (interactive minimal-pair) ---------- */
.explorer{max-width:820px;margin:0 auto;background:var(--card);border:1px solid var(--line);border-radius:24px;padding:26px;box-shadow:0 16px 44px rgba(91,60,224,.10)}
.tone-row{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;margin-bottom:8px}
@media(max-width:620px){.tone-row{grid-template-columns:repeat(2,1fr)}}
.tone-btn{position:relative;background:#fff;border:2px solid var(--line);border-radius:16px;padding:16px 10px 14px;cursor:pointer;font-family:inherit;text-align:center;transition:.15s;overflow:hidden}
.tone-btn:hover{border-color:var(--terra);transform:translateY(-2px)}
.tone-btn.on{border-color:var(--terra);box-shadow:0 10px 28px rgba(91,60,224,.16)}
.tone-btn .th{font-family:"Noto Sans Thai Looped";font-size:34px;font-weight:700;color:var(--terra-d);line-height:1}
.tone-btn .rom{font-size:14px;color:var(--ink);font-weight:700;margin-top:6px}
.tone-btn .mn{font-size:12.5px;color:var(--muted);margin-top:2px}
.tone-btn .spark{height:30px;margin-top:8px}
.explorer .caption{text-align:center;color:var(--muted);font-size:14px;margin-top:14px}

/* ---------- pricing ---------- */
.price-sec{background:#fff7ec}
.founding{max-width:820px;margin:0 auto 26px;background:var(--grad);color:#fff;border-radius:16px;padding:16px 22px;display:flex;align-items:center;gap:14px;flex-wrap:wrap;justify-content:center;text-align:center}
.founding b{font-family:"Fraunces"}
.founding a{background:#fff;color:var(--terra-d);font-weight:700;text-decoration:none;padding:9px 16px;border-radius:10px;font-size:14px}
.plans{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:18px;align-items:stretch}
.plan{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:26px 22px;display:flex;flex-direction:column}
.plan.feature{border:2px solid var(--terra);box-shadow:0 16px 40px rgba(91,60,224,.14);position:relative}
.plan .tag{position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:var(--terra);color:#fff;font-size:12px;font-weight:700;padding:5px 14px;border-radius:999px;white-space:nowrap}
.plan h3{font-size:19px;margin-bottom:4px}
.plan .p{font-family:"Fraunces";font-weight:700;font-size:34px;color:var(--ink);line-height:1;margin:8px 0 2px}
.plan .per{color:var(--muted);font-size:14px;margin-bottom:14px}
.plan ul{list-style:none;padding:0;margin:0 0 20px;flex:1}
.plan li{position:relative;padding-left:24px;margin-bottom:9px;font-size:14.5px;color:var(--ink)}
.plan li::before{content:"";position:absolute;left:0;top:7px;width:14px;height:8px;border-left:2px solid var(--teal);border-bottom:2px solid var(--teal);transform:rotate(-45deg)}
.plan .btn{text-align:center}
.plan.free .btn{background:transparent;color:var(--terra);border:2px solid var(--terra)}
.price-note{text-align:center;color:var(--muted);font-size:14px;max-width:620px;margin:26px auto 0}
.apple-note{max-width:760px;margin:30px auto 0;background:var(--navy);color:#dbe3ff;border-radius:18px;padding:24px 28px;text-align:center}
.apple-note b{color:#fff}

/* ---------- founder / quote ---------- */
.founder{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:34px;max-width:780px;margin:0 auto;text-align:center}
.founder .q{font-family:"Fraunces";font-size:clamp(19px,3vw,25px);font-weight:500}
.founder .who{color:var(--muted);margin-top:12px}

/* ---------- people (Euan + Pook) ---------- */
.people{display:grid;grid-template-columns:1fr 1fr;gap:22px;max-width:900px;margin:0 auto}
@media(max-width:700px){.people{grid-template-columns:1fr}}
.person{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:28px;text-align:center}
.person .av{width:96px;height:96px;border-radius:50%;margin:0 auto 14px;background:var(--grad);display:grid;place-items:center;color:#fff;font-family:"Fraunces";font-size:34px;font-weight:700}
.person h3{margin-bottom:2px}
.person .role{color:var(--terra-d);font-weight:700;font-size:14px;margin-bottom:10px}
.person p{color:var(--muted);font-size:15px;margin:0}

/* ---------- timeline (story) ---------- */
.timeline{max-width:720px;margin:0 auto;position:relative;padding-left:34px}
.timeline::before{content:"";position:absolute;left:9px;top:6px;bottom:6px;width:2px;background:var(--grad)}
.tl{position:relative;margin-bottom:28px}
.tl::before{content:"";position:absolute;left:-33px;top:4px;width:16px;height:16px;border-radius:50%;background:#fff;border:3px solid var(--terra)}
.tl h3{font-size:20px;margin-bottom:6px}
.tl p{color:var(--muted);margin:0;font-size:15.5px}

/* ---------- lessons (Pook 1-to-1) ---------- */
.lesson-card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:26px;display:flex;flex-direction:column}
.lesson-card.hl{border:2px solid var(--terra);box-shadow:0 16px 40px rgba(91,60,224,.12)}
.lesson-card h3{font-size:20px;margin-bottom:2px}
.lesson-card .p{font-family:"Fraunces";font-weight:700;font-size:28px;margin:6px 0 2px}
.lesson-card .per{color:var(--muted);font-size:13.5px;margin-bottom:14px}
.lesson-card ul{list-style:none;padding:0;margin:0 0 18px;flex:1}
.lesson-card li{position:relative;padding-left:22px;margin-bottom:8px;font-size:14.5px}
.lesson-card li::before{content:"";position:absolute;left:0;top:7px;width:12px;height:7px;border-left:2px solid var(--teal);border-bottom:2px solid var(--teal);transform:rotate(-45deg)}

/* ---------- case study ---------- */
.metrics{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:16px;max-width:900px;margin:0 auto}
.metric{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:24px;text-align:center}
.metric .num{font-family:"Fraunces";font-weight:700;font-size:clamp(30px,5vw,44px);background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1}
.metric .lab{color:var(--muted);font-size:14px;margin-top:6px}
.stack{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;max-width:820px;margin:0 auto}
.stack .t{background:var(--card);border:1px solid var(--line);border-radius:999px;padding:9px 18px;font-weight:700;font-size:14px;color:var(--ink)}
.stack .t span{color:var(--terra-d)}
.cs-block{max-width:760px;margin:0 auto 22px}
.cs-block h3{font-size:22px}
.cs-block p{color:var(--muted);font-size:16px}

/* ---------- FAQ ---------- */
.faq{max-width:760px;margin:0 auto}
.faq details{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:4px 20px;margin-bottom:12px}
.faq summary{cursor:pointer;font-weight:700;padding:16px 0;list-style:none;font-size:16.5px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";float:right;color:var(--terra);font-weight:700}
.faq details[open] summary::after{content:"–"}
.faq p{color:var(--muted);margin:0 0 16px;font-size:15px}

/* ---------- CTA band ---------- */
.band{background:var(--grad);color:#fff;text-align:center;padding:64px 0}
.band h2{color:#fff;font-size:clamp(26px,4vw,40px)}
.band p{color:rgba(255,255,255,.92);max-width:540px;margin:0 auto 24px;font-size:17px}
.band .btn{background:#fff;color:var(--terra-d)}
.band .btn:hover{background:var(--cream)}
.band .btn.ghost-light{background:transparent;color:#fff}

/* ---------- footer ---------- */
footer.site{background:var(--navy);color:#aeb8db;padding:48px 0 30px}
footer.site .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:30px;max-width:1080px;margin:0 auto;padding:0 22px}
@media(max-width:700px){footer.site .cols{grid-template-columns:1fr 1fr}}
footer.site h4{color:#fff;font-size:14px;letter-spacing:.06em;text-transform:uppercase;margin-bottom:12px}
footer.site a{display:block;color:#aeb8db;text-decoration:none;font-size:14.5px;margin-bottom:8px;transition:.15s}
footer.site a:hover{color:#fff}
footer.site .brand-col img{width:38px;border-radius:10px;margin-bottom:10px}
footer.site .tag{color:#8b97bf;font-size:14px;max-width:280px}
footer.site .base{text-align:center;color:#7784ac;font-size:13px;margin-top:36px;padding-top:20px;border-top:1px solid var(--navy-line)}
footer.site .base a{display:inline;color:#b9c4e6}

/* ---------- toast ---------- */
.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%) translateY(20px);background:var(--ink);color:var(--cream);padding:12px 20px;border-radius:12px;font-size:14px;opacity:0;pointer-events:none;transition:.25s;z-index:80}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* ---------- misc ---------- */
.center{text-align:center}
.mt24{margin-top:24px}.mt34{margin-top:34px}
.lead-c{color:var(--muted);font-size:17px;max-width:640px;margin:0 auto}