/* KAYU Health — A2P-compliant marketing site
   Brand: walnut/sage/terracotta (Indonesian "wood/tree")
   Typography: Fraunces (serif display) + Inter (sans body) */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,400;9..144,500;9..144,600;9..144,700&family=Inter:wght@400;500;600;700&display=swap');

:root{
  --walnut:#5C4033;
  --walnut-light:#7A5C4F;
  --walnut-dark:#3D2B22;
  --sage:#6B7C5E;
  --sage-light:#8A9B7D;
  --sage-dark:#4F5C44;
  --terracotta:#C67D4A;
  --terracotta-light:#D9A07A;
  --cream:#FAF6F1;
  --sand:#F0EBE3;
  --driftwood:#D4C9BC;
  --bark:#7A6B5D;
  --earth:#2C2418;
  --soil:#1A1614;
  --serif:'Fraunces',Georgia,serif;
  --sans:'Inter',-apple-system,BlinkMacSystemFont,sans-serif;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--sans);color:var(--earth);background:var(--cream);line-height:1.65;font-size:16px;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--walnut);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--terracotta)}

/* ============ NAV ============ */
nav{position:sticky;top:0;background:rgba(250,246,241,.92);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid rgba(124,108,93,.15);padding:16px 32px;display:flex;align-items:center;justify-content:space-between;z-index:100}
nav .brand{display:flex;align-items:center;gap:10px;font-family:var(--serif);font-weight:600;font-size:22px;color:var(--walnut)}
nav .brand img{width:32px;height:32px}
nav ul{display:flex;gap:28px;list-style:none}
nav ul a{color:var(--earth);font-size:14px;font-weight:500;letter-spacing:.01em}
nav ul a:hover{color:var(--terracotta)}
nav .cta{background:var(--walnut);color:var(--cream);padding:9px 18px;border-radius:999px;font-weight:600;font-size:14px}
nav .cta:hover{background:var(--terracotta);color:var(--cream)}
@media (max-width:768px){
  nav{flex-direction:column;gap:12px;padding:14px 20px}
  nav ul{gap:16px;font-size:13px;flex-wrap:wrap;justify-content:center}
}

/* ============ HERO ============ */
.hero{position:relative;background:linear-gradient(135deg,var(--cream) 0%,var(--sand) 60%,var(--driftwood) 100%);overflow:hidden;padding:96px 32px 120px}
.hero::before{content:"";position:absolute;top:-200px;right:-200px;width:600px;height:600px;background:radial-gradient(circle,rgba(198,125,74,.18) 0%,transparent 70%);border-radius:50%;pointer-events:none}
.hero::after{content:"";position:absolute;bottom:-150px;left:-150px;width:500px;height:500px;background:radial-gradient(circle,rgba(107,124,94,.15) 0%,transparent 70%);border-radius:50%;pointer-events:none}
.hero-wrap{max-width:1180px;margin:0 auto;display:grid;grid-template-columns:1.1fr .9fr;gap:64px;align-items:center;position:relative;z-index:1}
.hero-text .eyebrow{font-family:var(--sans);font-size:13px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--sage-dark);margin-bottom:18px}
.hero-text h1{font-family:var(--serif);font-weight:500;font-size:clamp(40px,5.5vw,68px);line-height:1.05;letter-spacing:-.02em;color:var(--walnut-dark);margin-bottom:22px}
.hero-text h1 em{font-style:italic;color:var(--terracotta);font-weight:500}
.hero-text .lede{font-size:19px;color:var(--bark);max-width:540px;margin-bottom:36px;line-height:1.6}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.btn-primary{display:inline-flex;align-items:center;gap:8px;background:var(--walnut);color:var(--cream);padding:16px 28px;border-radius:999px;font-weight:600;font-size:15px;border:0;cursor:pointer;transition:all .2s ease}
.btn-primary:hover{background:var(--terracotta);color:var(--cream);transform:translateY(-1px);box-shadow:0 10px 30px -10px rgba(198,125,74,.5)}
.btn-secondary{display:inline-flex;align-items:center;gap:8px;color:var(--walnut);padding:16px 24px;font-weight:600;font-size:15px;border-radius:999px;border:1px solid var(--driftwood)}
.btn-secondary:hover{background:var(--sand);color:var(--walnut-dark)}
.hero-visual{position:relative;aspect-ratio:4/5;background:linear-gradient(160deg,var(--sage) 0%,var(--walnut) 90%);border-radius:24px;overflow:hidden;box-shadow:0 30px 60px -20px rgba(60,43,34,.4)}
.hero-visual img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;padding:48px;filter:drop-shadow(0 20px 40px rgba(0,0,0,.3))}
.hero-visual .badge{position:absolute;top:24px;left:24px;background:rgba(250,246,241,.95);color:var(--walnut-dark);padding:8px 14px;border-radius:999px;font-size:12px;font-weight:600;letter-spacing:.04em;text-transform:uppercase}
@media (max-width:900px){
  .hero-wrap{grid-template-columns:1fr;gap:40px}
  .hero{padding:56px 24px 72px}
  .hero-visual{max-width:380px;margin:0 auto}
}

/* ============ TRUST BAND ============ */
.trust-band{background:var(--walnut-dark);color:var(--driftwood);padding:18px 32px;text-align:center;font-size:13px;letter-spacing:.06em;text-transform:uppercase;font-weight:500}
.trust-band span{margin:0 18px;color:var(--cream)}
.trust-band .dot{color:var(--terracotta);margin:0 6px}

/* ============ SECTIONS ============ */
section.block{padding:96px 32px}
section.block.alt{background:var(--sand)}
.block-wrap{max-width:1080px;margin:0 auto}
.section-label{font-size:13px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--sage-dark);margin-bottom:14px}
.section-title{font-family:var(--serif);font-weight:500;font-size:clamp(32px,4vw,48px);line-height:1.1;letter-spacing:-.02em;color:var(--walnut-dark);max-width:720px;margin-bottom:18px}
.section-lede{font-size:18px;color:var(--bark);max-width:640px;margin-bottom:48px;line-height:1.6}

/* ============ CARDS ============ */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:24px}
.card{background:var(--cream);padding:32px;border-radius:18px;border:1px solid rgba(124,108,93,.12);transition:transform .2s ease,box-shadow .2s ease}
.card:hover{transform:translateY(-4px);box-shadow:0 20px 40px -20px rgba(60,43,34,.2)}
.card .icon{width:44px;height:44px;background:linear-gradient(135deg,var(--terracotta) 0%,var(--terracotta-light) 100%);border-radius:12px;display:flex;align-items:center;justify-content:center;margin-bottom:18px;font-family:var(--serif);font-weight:600;color:var(--cream);font-size:20px}
.card h3{font-family:var(--serif);font-weight:600;font-size:21px;color:var(--walnut-dark);margin-bottom:10px;line-height:1.3}
.card p{color:var(--bark);font-size:15px;line-height:1.6}

/* ============ STEPS ============ */
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:32px;margin-top:24px}
.step{position:relative;padding-top:14px}
.step-num{font-family:var(--serif);font-style:italic;font-weight:500;font-size:56px;line-height:1;color:var(--terracotta);margin-bottom:12px}
.step h3{font-family:var(--serif);font-weight:600;font-size:20px;color:var(--walnut-dark);margin-bottom:8px}
.step p{color:var(--bark);font-size:14.5px;line-height:1.6}

/* ============ CONTACT CARD ============ */
.contact-card{background:var(--cream);border-left:4px solid var(--terracotta);padding:28px 32px;border-radius:14px;margin:24px 0;box-shadow:0 4px 16px -8px rgba(60,43,34,.15)}
.contact-card p{margin:8px 0;color:var(--earth)}
.contact-card strong{color:var(--walnut-dark);font-weight:600}

/* ============ DOC PAGES (privacy / terms / about / etc) ============ */
main.doc{max-width:780px;margin:0 auto;padding:64px 32px}
main.doc h1{font-family:var(--serif);font-weight:500;font-size:clamp(36px,4vw,52px);letter-spacing:-.02em;color:var(--walnut-dark);margin-bottom:8px;line-height:1.1}
main.doc h2{font-family:var(--serif);font-weight:600;font-size:24px;color:var(--walnut-dark);margin:40px 0 12px;letter-spacing:-.01em}
main.doc p,main.doc li{margin:10px 0;color:var(--earth);line-height:1.7}
main.doc ul{padding-left:22px;margin:14px 0}
main.doc .lead{font-size:20px;color:var(--bark);margin:14px 0 28px;font-weight:400;line-height:1.55}
main.doc .effective{color:var(--bark);font-size:14px;margin-bottom:32px;font-style:italic}
main.doc .smsbox{background:var(--sand);padding:20px 24px;border-left:4px solid var(--sage);margin:28px 0;border-radius:6px;font-size:15px}

/* ============ FAQ ============ */
.faq-list{margin-top:24px}
.faq-list details{padding:22px 0;border-bottom:1px solid rgba(124,108,93,.18)}
.faq-list summary{font-family:var(--serif);font-weight:600;font-size:19px;color:var(--walnut-dark);cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center}
.faq-list summary::after{content:"+";font-size:24px;color:var(--terracotta);transition:transform .2s ease;font-weight:400}
.faq-list details[open] summary::after{content:"−"}
.faq-list details p{margin-top:12px;color:var(--bark);line-height:1.7}

/* ============ BLOG ============ */
.posts{margin-top:8px}
.post{padding:32px 0;border-bottom:1px solid rgba(124,108,93,.18)}
.post .meta{font-size:13px;color:var(--bark);text-transform:uppercase;letter-spacing:.06em;margin-bottom:8px}
.post h3{font-family:var(--serif);font-weight:600;font-size:24px;color:var(--walnut-dark);margin-bottom:10px;line-height:1.2}
.post p{color:var(--earth);line-height:1.65}

/* ============ CTA STRIP ============ */
.cta-strip{background:linear-gradient(120deg,var(--walnut-dark) 0%,var(--walnut) 100%);color:var(--cream);padding:80px 32px;text-align:center}
.cta-strip h2{font-family:var(--serif);font-weight:500;font-size:clamp(30px,4vw,44px);line-height:1.1;letter-spacing:-.01em;margin-bottom:14px;color:var(--cream)}
.cta-strip p{color:var(--driftwood);font-size:18px;max-width:580px;margin:0 auto 28px}
.cta-strip .btn-primary{background:var(--terracotta);color:var(--cream)}
.cta-strip .btn-primary:hover{background:var(--terracotta-light);color:var(--walnut-dark)}

/* ============ CONSENT INFO BLOCK ============ */
.consent-info{background:var(--sand);border:1px solid var(--driftwood);border-radius:14px;padding:24px;margin:32px 0;font-size:14.5px;color:var(--earth);line-height:1.65}
.consent-info strong{color:var(--walnut-dark)}

/* ============ FOOTER ============ */
footer{background:var(--soil);color:var(--driftwood);padding:64px 32px 32px;font-size:14px;margin-top:0}
footer .wrap{max-width:1180px;margin:0 auto;display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:48px}
footer h4{font-family:var(--serif);font-weight:600;color:var(--cream);font-size:16px;margin-bottom:14px;letter-spacing:-.01em}
footer .brand-mark{display:flex;align-items:center;gap:10px;font-family:var(--serif);font-weight:600;font-size:22px;color:var(--cream);margin-bottom:14px}
footer .brand-mark img{width:32px;height:32px}
footer p{margin:6px 0;color:var(--driftwood);line-height:1.6}
footer a{display:block;color:var(--driftwood);margin:6px 0;font-size:14px}
footer a:hover{color:var(--terracotta-light)}
footer .copy{max-width:1180px;margin:48px auto 0;border-top:1px solid rgba(212,201,188,.15);padding-top:24px;color:var(--bark);font-size:12.5px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px}
@media (max-width:768px){
  footer .wrap{grid-template-columns:1fr;gap:32px}
  footer .copy{flex-direction:column;text-align:center}
}