/* ==========================================================
   RED●LIFE — Brand Stylesheet
   Palette: RED #E60012 · CHARCOAL #111111 · STONE #666666
            LIGHT GRAY #F2F2F2 · WHITE #FFFFFF
   Type: Montserrat (EN) + Noto Sans Thai (TH)
   ========================================================== */

:root{
  --red:#E60012;
  --charcoal:#111111;
  --stone:#666666;
  --light:#F2F2F2;
  --white:#FFFFFF;
  --font:'Montserrat','Noto Sans Thai',sans-serif;
  --radius:14px;
  --shadow:0 10px 40px rgba(0,0,0,.12);
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--charcoal);background:var(--white);line-height:1.6}
img{max-width:100%}
a{text-decoration:none;color:inherit}
ul{list-style:none}

.container{width:min(1180px,92%);margin-inline:auto}

/* ---------- Typography helpers ---------- */
.eyebrow{
  font-size:.78rem;font-weight:700;letter-spacing:.35em;
  color:var(--red);text-transform:uppercase;margin-bottom:14px;
}
.eyebrow--center{text-align:center}
.text-red{color:var(--red)}

/* ---------- SVG Icons ---------- */
.icon{
  width:1em;height:1em;display:block;
  fill:none;stroke:currentColor;stroke-width:1.6;
  stroke-linecap:round;stroke-linejoin:round;
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-block;padding:14px 32px;border-radius:50px;
  font-weight:700;font-size:.9rem;letter-spacing:.06em;
  border:2px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
}
.btn:hover{transform:translateY(-2px)}
.btn--red{background:var(--red);color:var(--white)}
.btn--red:hover{box-shadow:0 8px 24px rgba(230,0,18,.4)}
.btn--ghost{border-color:rgba(255,255,255,.4);color:var(--white)}
.btn--ghost:hover{border-color:var(--white)}
.btn--outline{border-color:var(--charcoal);color:var(--charcoal)}
.btn--outline:hover{background:var(--charcoal);color:var(--white)}
.btn--block{display:block;text-align:center;width:100%}
.btn--sm{padding:10px 22px;font-size:.8rem}

/* ---------- Navbar ---------- */
.nav{
  position:fixed;inset:0 0 auto 0;z-index:100;
  background:rgba(17,17,17,.85);backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(255,255,255,.08);
  transition:background .3s ease;
}
.nav__inner{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{display:inline-flex;align-items:center}
.logo img{height:34px;width:auto;display:block}
.nav__links{display:flex;align-items:center;gap:30px}
.nav__links a{color:var(--white);font-weight:500;font-size:.92rem;opacity:.85;transition:opacity .2s,color .2s}
.nav__links a:hover{opacity:1;color:var(--red)}
.nav__links a.btn{opacity:1;color:var(--white)}
.nav__toggle{display:none;background:none;border:0;cursor:pointer;flex-direction:column;gap:5px;padding:6px}
.nav__toggle span{width:26px;height:3px;background:var(--white);border-radius:2px;transition:transform .3s,opacity .3s}
.nav__toggle.open span:nth-child(1){transform:translateY(8px) rotate(45deg)}
.nav__toggle.open span:nth-child(2){opacity:0}
.nav__toggle.open span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}

/* ---------- Hero ---------- */
.hero{
  position:relative;background:var(--charcoal);color:var(--white);
  padding:150px 0 0;overflow:hidden;
}
.hero__glow{
  position:absolute;right:-10%;top:10%;width:60vw;height:60vw;max-width:800px;max-height:800px;
  background:radial-gradient(circle,rgba(230,0,18,.28) 0%,transparent 65%);
  pointer-events:none;
}
.hero__inner{
  position:relative;display:grid;grid-template-columns:1.15fr .85fr;
  gap:40px;align-items:center;min-height:540px;
}
.hero__title{font-size:clamp(2.4rem,5.4vw,4.2rem);font-weight:800;line-height:1.08;letter-spacing:.02em}
.hero__sub{margin-top:22px;color:#cfcfcf;font-weight:300;font-size:1.05rem}
.hero__pillars{display:flex;gap:26px;margin-top:30px;flex-wrap:wrap}
.pillar{display:flex;flex-direction:column;align-items:center;gap:6px;font-size:.7rem;font-weight:700;letter-spacing:.18em;color:#bbb}
.pillar__icon{
  width:52px;height:52px;border:1.5px solid rgba(255,255,255,.25);border-radius:50%;
  display:grid;place-items:center;font-size:24px;color:var(--white);
  transition:border-color .25s ease,color .25s ease;
}
.pillar:hover .pillar__icon{border-color:var(--red);color:var(--red)}
.hero__cta{display:flex;gap:16px;margin-top:36px;flex-wrap:wrap}
.hero__badges{
  position:relative;display:flex;flex-wrap:wrap;gap:14px 34px;justify-content:center;
  padding:26px 0;margin-top:60px;border-top:1px solid rgba(255,255,255,.1);
  font-size:.74rem;font-weight:700;letter-spacing:.22em;color:#d6d6d6;
}
.badge-line{display:flex;align-items:center;gap:9px}
.dot-red{width:9px;height:9px;border-radius:50%;background:var(--red);box-shadow:0 0 8px rgba(230,0,18,.9)}

/* ---------- Hero photo (ขอบเฟดเข้าพื้นหลัง) ---------- */
.hero__photo{margin:0;position:relative}
.hero__photo img{
  display:block;width:100%;
  -webkit-mask-image:radial-gradient(ellipse 72% 72% at 50% 46%,#000 52%,transparent 97%);
          mask-image:radial-gradient(ellipse 72% 72% at 50% 46%,#000 52%,transparent 97%);
}

/* ---------- Scroll progress bar (สร้างด้วย JS) ---------- */
.progress-bar{
  position:fixed;top:0;left:0;right:0;height:3px;z-index:200;
  background:var(--red);box-shadow:0 0 10px rgba(230,0,18,.7);
  transform-origin:0 50%;transform:scaleX(0);pointer-events:none;
}

/* ---------- Marquee strip ---------- */
.marquee{
  background:#0c0c0c;overflow:hidden;padding:22px 0;
  border-top:1px solid rgba(255,255,255,.06);
}
.marquee__track{
  display:flex;align-items:center;gap:52px;width:max-content;white-space:nowrap;
}
.marquee__track span{
  font-size:1.05rem;font-weight:700;letter-spacing:.45em;
  color:rgba(255,255,255,.3);
}
.marquee__track span.marquee__red{color:var(--red);font-weight:800}
.marquee__track i{
  width:6px;height:6px;border-radius:50%;background:rgba(230,0,18,.9);
  flex-shrink:0;box-shadow:0 0 8px rgba(230,0,18,.55);
}
@media (max-width:560px){
  .marquee__track span{font-size:.85rem}
  .marquee__track{gap:30px}
}

/* ---------- Sections ---------- */
.section{padding:100px 0}
.section--light{background:var(--light)}
.section--white{background:var(--white)}
.section--dark{background:var(--charcoal);color:var(--white)}
.section__title{
  font-size:clamp(1.7rem,3.4vw,2.4rem);font-weight:800;text-align:center;
  margin-bottom:54px;letter-spacing:.02em;
}
.section__title--light{color:var(--white)}
.section__lead{max-width:720px;margin:-30px auto 56px;text-align:center;color:#bdbdbd;font-weight:300}

/* ---------- Product cards ---------- */
.products-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.card{
  position:relative;background:var(--white);border-radius:var(--radius);
  padding:30px 24px;box-shadow:var(--shadow);display:flex;flex-direction:column;
  border:2px solid transparent;transition:transform .25s ease,border-color .25s ease;
}
.card:hover{transform:translateY(-6px)}
.card--featured{border-color:var(--red)}
.card__ribbon{
  position:absolute;top:-14px;left:50%;transform:translateX(-50%);
  background:var(--red);color:var(--white);font-size:.68rem;font-weight:800;
  letter-spacing:.2em;padding:6px 18px;border-radius:30px;white-space:nowrap;
}
.card__name{font-size:1.05rem;font-weight:800;letter-spacing:.08em;display:flex;align-items:center;gap:5px}
.card__dot{width:10px;height:10px;border-radius:50%;background:var(--red);display:inline-block}
.card__tag{color:var(--stone);font-size:.85rem;margin:4px 0 20px}
.card__img{
  margin:0 0 20px;height:210px;display:flex;align-items:flex-end;justify-content:center;
}
.card__img img{
  display:block;max-height:205px;max-width:90%;object-fit:contain;
  transition:transform .35s ease;
}
.card:hover .card__img img{transform:translateY(-6px) scale(1.03)}
.card__uses{flex:1;margin-bottom:18px}
.card__uses li{
  font-size:.85rem;color:#333;padding-left:16px;position:relative;margin-bottom:6px;
}
.card__uses li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;background:var(--red)}
.card__chips{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:18px}
.card__chips span{
  font-size:.62rem;font-weight:700;letter-spacing:.1em;color:var(--stone);
  border:1px solid #ddd;border-radius:20px;padding:4px 10px;
}
.card__stat{
  font-size:.8rem;font-weight:800;letter-spacing:.04em;margin-bottom:16px;
  padding-top:14px;border-top:1px solid #eee;
}
.card__stat--red{color:var(--red)}
a.card__img{cursor:pointer}
.card__more{
  display:block;text-align:center;margin-top:12px;
  font-size:.8rem;font-weight:700;letter-spacing:.04em;color:var(--stone);
  transition:color .2s ease;
}
.card__more:hover{color:var(--red)}
.products-note{
  margin-top:34px;text-align:center;font-size:.8rem;color:var(--stone);
  letter-spacing:.04em;
}

/* ---------- Why section ---------- */
.why-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;margin-bottom:60px}
.why{
  text-align:center;border:1px solid rgba(255,255,255,.12);border-radius:var(--radius);
  padding:30px 14px;transition:border-color .25s ease,background .25s ease;
}
.why:hover{border-color:var(--red);background:rgba(230,0,18,.06)}
.why__icon{
  font-size:30px;color:var(--red);margin-bottom:14px;
  display:flex;justify-content:center;
}
.why h3{font-size:.78rem;font-weight:800;letter-spacing:.14em;color:var(--red);margin-bottom:6px}
.why p{font-size:.85rem;color:#c9c9c9;font-weight:300}
.benefits-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  border-top:1px solid rgba(255,255,255,.12);border-bottom:1px solid rgba(255,255,255,.12);
}
.benefit{padding:30px 22px;text-align:center}
.benefit + .benefit{border-left:1px solid rgba(255,255,255,.12)}
.benefit h4{font-size:.85rem;font-weight:800;letter-spacing:.2em;margin-bottom:8px}
.benefit p{font-size:.85rem;color:#bdbdbd;font-weight:300}

/* ---------- Certifications strip ---------- */
.certs{margin-top:64px;text-align:center}
.certs__title{
  font-size:.72rem;font-weight:700;letter-spacing:.3em;text-transform:uppercase;
  color:var(--red);margin-bottom:26px;
}
.certs__row{
  display:flex;flex-wrap:wrap;justify-content:center;align-items:center;
  gap:22px 30px;
}
.certs__row img{height:42px;width:auto;opacity:.8;transition:opacity .25s ease}
.certs__row img:hover{opacity:1}
.certs--dark .certs__row img{filter:invert(1) brightness(1.6)}
.certs--light{margin:40px auto 0;max-width:860px}
@media (max-width:560px){
  .certs__row{gap:18px 26px}
  .certs__row img{height:32px}
}

/* ---------- Accessories ---------- */
.acc-grid{
  display:grid;grid-template-columns:repeat(2,1fr);gap:22px;
  max-width:960px;margin-inline:auto;
}
.acc-card{
  display:grid;grid-template-columns:190px 1fr;align-items:center;gap:10px;
  background:var(--white);border-radius:var(--radius);box-shadow:var(--shadow);
  padding:28px 26px;border:2px solid transparent;
  transition:transform .25s ease,border-color .25s ease;
}
.acc-card:hover{transform:translateY(-6px);border-color:var(--red)}
.acc-card__img{
  margin:0;height:200px;display:flex;align-items:center;justify-content:center;
}
.acc-card__img img{
  max-height:195px;max-width:100%;object-fit:contain;
  transition:transform .35s ease;
}
.acc-card:hover .acc-card__img img{transform:scale(1.04)}
.acc-card__label{
  font-size:.66rem;font-weight:800;letter-spacing:.28em;color:var(--red);margin-bottom:4px;
}
.acc-card__name{font-size:1rem;font-weight:800;letter-spacing:.08em;margin-bottom:8px}
.acc-card__desc{font-size:.85rem;color:#333;margin-bottom:12px}
.acc-card__specs{margin-bottom:12px}
.acc-card__specs li{
  font-size:.8rem;color:var(--stone);padding-left:16px;position:relative;margin-bottom:4px;
}
.acc-card__specs li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;background:var(--red)}
.acc-card__more{
  font-size:.8rem;font-weight:700;letter-spacing:.04em;color:var(--stone);
  transition:color .2s ease;
}
.acc-card:hover .acc-card__more{color:var(--red)}

/* ---------- About ---------- */
.about__inner{display:grid;grid-template-columns:1.1fr .9fr;gap:50px;align-items:center}
.about__list li{
  padding-left:32px;position:relative;margin-bottom:14px;font-size:1.02rem;font-weight:300;
}
.about__list li::before{
  content:"✓";position:absolute;left:0;color:var(--red);font-weight:800;
}
.section--about{overflow:hidden}
.about__img{
  margin:0;max-width:340px;margin-inline:auto;position:relative;
  display:flex;justify-content:center;padding:30px 0;
}
.about__img::before{
  content:"";position:absolute;inset:-8%;
  background:radial-gradient(ellipse 60% 55% at 50% 50%,rgba(230,0,18,.35),transparent 70%);
  pointer-events:none;
}
.about__img img{
  display:block;position:relative;max-height:480px;width:auto;max-width:100%;
}

/* ---------- Contact ---------- */
.contact__inner{display:grid;grid-template-columns:1fr 1.1fr;gap:60px;align-items:start}
.contact__info p{color:var(--stone);margin-bottom:22px}
.contact__list li{margin-bottom:10px;font-size:.95rem}
.contact__form{
  background:var(--white);border-radius:var(--radius);padding:34px;box-shadow:var(--shadow);
}
.field{margin-bottom:18px}
.field label{display:block;font-size:.8rem;font-weight:700;letter-spacing:.04em;margin-bottom:7px}
.field input,.field select,.field textarea{
  width:100%;padding:13px 15px;border:1.5px solid #ddd;border-radius:10px;
  font-family:var(--font);font-size:.92rem;background:var(--white);color:var(--charcoal);
  transition:border-color .2s ease;
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--red);
}
.form__status{margin-top:14px;font-size:.88rem;font-weight:600;text-align:center;min-height:1.4em}
.form__status.ok{color:#0a8a3a}
.form__status.err{color:var(--red)}

/* ---------- LINE QR card ---------- */
.line-card{
  display:inline-flex;flex-direction:column;align-items:center;gap:12px;
  background:var(--white);border-radius:var(--radius);box-shadow:var(--shadow);
  padding:26px 30px 18px;
}
.line-card img{width:180px;height:180px;display:block}
.line-card span{font-size:.78rem;font-weight:800;letter-spacing:.08em;color:var(--charcoal)}
.contact__info .line-card{margin-top:28px}
.pd-line{display:flex;justify-content:center;margin-top:28px}

/* ---------- Footer ---------- */
.footer{background:#000;color:var(--white);padding:50px 0 36px}
.footer__badges{
  display:flex;flex-wrap:wrap;gap:14px 40px;justify-content:center;
  font-size:.74rem;font-weight:700;letter-spacing:.18em;
  padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.12);
}
.footer__badges .badge{display:inline-flex;align-items:center;gap:10px}
.footer__badges .icon{font-size:17px;color:var(--red)}
.footer__bottom{text-align:center;padding-top:34px}
.logo--footer img{height:46px}
.footer__tagline{font-size:.7rem;letter-spacing:.4em;color:#999;margin-top:8px}
.footer__copy{font-size:.78rem;color:#777;margin-top:18px;font-weight:300}
.footer__certs{
  display:flex;flex-wrap:wrap;justify-content:center;align-items:center;
  gap:18px 30px;padding:30px 0;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.footer__certs img{
  height:28px;width:auto;opacity:.6;
  filter:invert(1) brightness(1.7);transition:opacity .25s ease;
}
.footer__certs img:hover{opacity:1}
@media (max-width:560px){
  .footer__certs{gap:14px 20px;padding:24px 0}
  .footer__certs img{height:22px}
}

/* ---------- Product detail pages ---------- */
.pd-hero{
  position:relative;background:var(--charcoal);color:var(--white);
  padding:150px 0 90px;overflow:hidden;
}
.pd-hero__inner{
  position:relative;display:grid;grid-template-columns:.85fr 1.15fr;
  gap:50px;align-items:center;
}
.pd-hero__img{
  margin:0;position:relative;display:flex;justify-content:center;padding:30px 0;
}
.pd-hero__img::before{
  content:"";position:absolute;inset:-8%;
  background:radial-gradient(ellipse 60% 55% at 50% 50%,rgba(230,0,18,.35),transparent 70%);
  pointer-events:none;
}
.pd-hero__img img{display:block;position:relative;max-height:440px;width:auto;max-width:100%}
.pd-breadcrumb{font-size:.8rem;color:#9a9a9a;margin-bottom:20px}
.pd-breadcrumb a{color:#cfcfcf;transition:color .2s ease}
.pd-breadcrumb a:hover{color:var(--red)}
.pd-hero__title{
  font-size:clamp(2rem,4.5vw,3.1rem);font-weight:800;letter-spacing:.03em;
  display:flex;align-items:center;gap:10px;line-height:1.1;
}
.pd-hero__title .card__dot{width:14px;height:14px}
.pd-hero__sub{margin-top:16px;color:#cfcfcf;font-weight:300;max-width:520px}
.pd-hero__chips{margin-top:22px}
.pd-hero__chips span{border-color:rgba(255,255,255,.25);color:#ddd}
.pd-hero__stats{display:flex;gap:38px;margin-top:30px;flex-wrap:wrap}
.pd-stat strong{display:block;font-size:1.7rem;font-weight:800;color:var(--red);line-height:1.2}
.pd-stat span{font-size:.7rem;font-weight:600;letter-spacing:.14em;color:#bbb;text-transform:uppercase}
.spec-list{
  max-width:860px;margin:0 auto;background:var(--white);
  border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;
}
.spec-row{display:grid;grid-template-columns:230px 1fr;gap:20px;padding:15px 28px}
.spec-row:nth-child(even){background:#fafafa}
.spec-row dt{font-weight:700;font-size:.85rem;letter-spacing:.03em}
.spec-row dd{font-size:.9rem;color:#333}
.pd-extra{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
  gap:22px;max-width:860px;margin:26px auto 0;
}
.pd-box{background:var(--white);border-radius:var(--radius);box-shadow:var(--shadow);padding:26px 28px}
.pd-box h3{font-size:.82rem;font-weight:800;letter-spacing:.14em;margin-bottom:14px;color:var(--red)}
.pd-box figure{margin:0 0 16px;display:flex;justify-content:center}
.pd-box figure img{max-height:170px;max-width:100%;object-fit:contain}
.pd-box li{font-size:.88rem;color:#333;padding-left:16px;position:relative;margin-bottom:7px}
.pd-box li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;background:var(--red)}
.pd-cta{display:flex;justify-content:center;gap:16px;margin-top:40px;flex-wrap:wrap}
.pd-related__grid{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:18px;
}
.pd-rel{
  background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.12);
  border-radius:var(--radius);padding:24px 14px;text-align:center;
  transition:border-color .25s ease,transform .25s ease;
}
.pd-rel:hover{border-color:var(--red);transform:translateY(-4px)}
.pd-rel img{height:110px;width:auto;max-width:100%;object-fit:contain;margin-bottom:14px}
.pd-rel span{display:block;font-size:.7rem;font-weight:800;letter-spacing:.12em;color:#ddd}
@media (max-width:860px){
  .pd-hero{padding:130px 0 70px}
  .pd-hero__inner{grid-template-columns:1fr;text-align:center}
  .pd-hero__title,.pd-hero__stats,.pd-hero__chips.card__chips,.pd-hero .hero__cta{justify-content:center}
  .pd-hero__sub{margin-inline:auto}
  .pd-hero__img img{max-height:340px}
  .spec-row{grid-template-columns:1fr;gap:2px}
}

/* ---------- Product feature rows ---------- */
.pd-feature{
  display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
  max-width:1020px;margin:0 auto;
}
.pd-feature + .pd-feature{margin-top:90px}
.pd-feature__img{
  margin:0;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);
}
.pd-feature__img img{display:block;width:100%;height:auto}
.pd-feature--flip .pd-feature__img{order:2}
.pd-feature h3{font-size:1.35rem;font-weight:800;line-height:1.4;margin-bottom:14px}
.pd-feature h3 span{color:var(--red)}
.pd-feature p{font-size:.92rem;color:#444}
.pd-feature ul{margin-top:14px}
.pd-feature li{
  font-size:.9rem;color:#333;padding-left:18px;position:relative;margin-bottom:10px;
}
.pd-feature li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;background:var(--red)}
.pd-feature li strong{font-weight:700}

/* ---------- Testimonials ---------- */
.quotes{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:center}
.quotes__img{margin:0;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.quotes__img img{display:block;width:100%;height:auto}
.quote{border-left:3px solid var(--red);padding:6px 0 6px 22px;margin-bottom:26px}
.quote p{font-size:.95rem;color:#ddd;font-weight:300;font-style:italic;line-height:1.7}
.quote cite{
  display:block;margin-top:10px;font-size:.76rem;font-style:normal;
  font-weight:700;letter-spacing:.08em;color:#999;
}
@media (max-width:860px){
  .pd-feature{grid-template-columns:1fr;gap:28px}
  .pd-feature + .pd-feature{margin-top:64px}
  .pd-feature--flip .pd-feature__img{order:0}
  .quotes{grid-template-columns:1fr;gap:34px}
}

/* ---------- Reveal animation ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.reveal.visible{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .card__img img{transition:none}
  html{scroll-behavior:auto}
}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .products-grid{grid-template-columns:repeat(2,1fr)}
  .why-grid{grid-template-columns:repeat(3,1fr)}
  .benefits-strip{grid-template-columns:repeat(2,1fr)}
  .benefit:nth-child(odd){border-left:0}
  .benefit:nth-child(n+3){border-top:1px solid rgba(255,255,255,.12)}
  .acc-grid{grid-template-columns:1fr;max-width:640px}
}
@media (max-width:860px){
  .hero__inner{grid-template-columns:1fr;text-align:center}
  .hero__pillars,.hero__cta{justify-content:center}
  .hero__panel{order:-1}
  .hero__photo{max-width:440px;margin-inline:auto}
  .about__inner,.contact__inner{grid-template-columns:1fr}
  .nav__toggle{display:flex}
  .nav__links{
    position:fixed;top:72px;right:0;width:min(320px,84vw);height:calc(100vh - 72px);
    background:rgba(17,17,17,.97);flex-direction:column;align-items:flex-start;
    padding:34px 30px;gap:24px;transform:translateX(100%);transition:transform .3s ease;
  }
  .nav__links.open{transform:none}
}
@media (max-width:560px){
  .section{padding:70px 0}
  .products-grid,.why-grid,.acc-grid,.benefits-strip{grid-template-columns:1fr}
  .benefit + .benefit{border-left:0;border-top:1px solid rgba(255,255,255,.12)}
  .acc-card{grid-template-columns:1fr;text-align:center}
  .acc-card__specs li{display:inline-block;text-align:left}
  .card--featured{order:-1}
  .hero{padding-top:120px}
}

/* ============================================================
   REAL PHOTO + VIDEO INTEGRATION  (เพิ่มเติม)
   รูปถ่ายจริงพื้นขาว → ใช้ mix-blend:multiply ให้กลืนการ์ดขาว
   ============================================================ */

/* ---------- Product card: รูป studio จริงกลืนพื้นการ์ด ---------- */
.card__img img{mix-blend-mode:multiply}

/* ---------- Hero photo: รูป lifestyle ผู้หญิง + ขอบเบลอฟุ้งกลืนพื้นมืด ---------- */
.hero__photo{position:relative;margin:0;isolation:isolate}
.hero__photo::after{                               /* แสงแดงนุ่มๆ ด้านหลังภาพ */
  content:"";position:absolute;inset:-5%;z-index:0;pointer-events:none;
  background:radial-gradient(ellipse 64% 70% at 50% 55%,rgba(230,0,18,.26),transparent 72%);
  filter:blur(26px);
}
.hero__photo img{
  position:relative;z-index:1;display:block;width:100%;height:auto;border-radius:14px;
  /* เฟดขอบทั้งสี่ด้านให้กลืนพื้นมืดแบบนุ่มนวล */
  -webkit-mask-image:
    linear-gradient(to right,transparent 0,#000 11%,#000 89%,transparent 100%),
    linear-gradient(to bottom,transparent 0,#000 12%,#000 88%,transparent 100%);
  -webkit-mask-composite:source-in;
          mask-image:
    linear-gradient(to right,transparent 0,#000 11%,#000 89%,transparent 100%),
    linear-gradient(to bottom,transparent 0,#000 12%,#000 88%,transparent 100%);
          mask-composite:intersect;
}

/* ---------- Product-hero: spotlight การ์ดขาว (เฉพาะรูปถ่ายจริง) ---------- */
.pd-hero__img--photo{
  background:linear-gradient(160deg,#ffffff,#f1f1f1);
  border-radius:22px;padding:30px 30px 22px;
  max-width:540px;margin-inline:auto;
  box-shadow:0 34px 70px rgba(0,0,0,.45);
}
.pd-hero__img--photo::before{inset:-12%}
.pd-hero__img--photo img{max-height:400px;mix-blend-mode:multiply}

/* ---------- Related thumbnails: รูปขาวบนพื้นมืด → ใส่ tile ขาว ---------- */
.pd-rel img{background:#fff;border-radius:10px;padding:12px;box-sizing:border-box}

/* ---------- About visual: เปลี่ยนเป็นรูป lifestyle มีกรอบ ---------- */
.section--about .about__img{
  max-width:480px;padding:0;border-radius:20px;overflow:hidden;
  box-shadow:0 30px 64px rgba(0,0,0,.55),0 0 80px rgba(230,0,18,.14);
}
.section--about .about__img::before{display:none}
.section--about .about__img img{max-height:none;width:100%;height:auto;display:block}

/* ---------- Media gallery (หน้า product) ---------- */
.gallery{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));
  gap:18px;max-width:1020px;margin:0 auto;
}
.gallery figure{
  margin:0;border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;
  aspect-ratio:1/1;display:flex;align-items:center;justify-content:center;
}
.gallery .g-studio{background:linear-gradient(160deg,#fff,#f3f3f3);padding:20px}
.gallery .g-studio img{max-width:100%;max-height:100%;object-fit:contain;mix-blend-mode:multiply}
.gallery .g-life img{width:100%;height:100%;object-fit:cover}
.gallery figure img{transition:transform .4s ease}
.gallery figure:hover img{transform:scale(1.05)}

/* ---------- Video block ---------- */
.video-block{
  max-width:760px;margin:0 auto;border-radius:18px;overflow:hidden;background:#0a0a0a;
  box-shadow:0 26px 60px rgba(0,0,0,.45);
}
.video-block video{display:block;width:100%;height:auto;max-height:78vh}
.video-note{
  text-align:center;font-size:.78rem;color:var(--stone);
  margin-top:16px;letter-spacing:.03em;
}
.section--dark .video-note{color:#9a9a9a}

/* ---------- Applications diagram ---------- */
.applications__img{
  max-width:1000px;margin:0 auto;background:#fff;border-radius:var(--radius);
  box-shadow:var(--shadow);padding:30px;
}
.applications__img img{display:block;width:100%}

/* ---------- 3000 Showcase (prop / experience band) ---------- */
.showcase{background:#0c0c0c;color:#fff;overflow:hidden}
.showcase__grid{display:grid;grid-template-columns:1.02fr .98fr;gap:50px;align-items:center}
.showcase__tag{
  display:inline-block;font-size:.64rem;font-weight:800;letter-spacing:.2em;
  color:#fff;background:rgba(230,0,18,.92);padding:6px 16px;border-radius:30px;margin-bottom:18px;
}
.showcase__title{font-size:clamp(1.8rem,3.6vw,2.6rem);font-weight:800;line-height:1.16;margin-bottom:18px}
.showcase__title span{color:var(--red)}
.showcase__copy p{color:#cfcfcf;font-weight:300;margin-bottom:14px}
.showcase__specs{display:flex;gap:34px;flex-wrap:wrap;margin-top:26px}
.showcase__specs strong{display:block;font-size:1.6rem;color:var(--red);font-weight:800;line-height:1.2}
.showcase__specs span{font-size:.66rem;letter-spacing:.12em;color:#aaa;text-transform:uppercase}
.showcase__media{display:grid;gap:16px}
.showcase__photo{position:relative}
.showcase__photo img{
  display:block;width:100%;height:auto;border-radius:12px;
  /* ขอบเบลอฟุ้งกลืนพื้นมืดของ showcase */
  -webkit-mask-image:
    linear-gradient(to right,transparent 0,#000 9%,#000 91%,transparent 100%),
    linear-gradient(to bottom,transparent 0,#000 11%,#000 89%,transparent 100%);
  -webkit-mask-composite:source-in;
          mask-image:
    linear-gradient(to right,transparent 0,#000 9%,#000 91%,transparent 100%),
    linear-gradient(to bottom,transparent 0,#000 11%,#000 89%,transparent 100%);
          mask-composite:intersect;
}
@media (max-width:860px){
  .showcase__grid{grid-template-columns:1fr;gap:34px}
}

/* ============================================================
   CERTIFICATIONS PAGE
   ============================================================ */
.cert-hero{
  position:relative;background:var(--charcoal);color:#fff;
  padding:150px 0 76px;text-align:center;overflow:hidden;
}
.cert-hero .hero__glow{top:-10%}
.cert-hero h1{font-size:clamp(2rem,4.6vw,3rem);font-weight:800;letter-spacing:.02em;position:relative}
.cert-hero p{color:#cfcfcf;max-width:700px;margin:18px auto 0;font-weight:300;position:relative}
.cert-badges{
  display:flex;flex-wrap:wrap;justify-content:center;align-items:center;
  gap:24px 36px;margin-top:42px;position:relative;
}
.cert-badges img{height:50px;width:auto;opacity:.9;filter:invert(1) brightness(1.7)}
.cert-group{margin-bottom:54px}
.cert-group__head{max-width:1020px;margin:0 auto 22px}
.cert-group__head h2{font-size:1.3rem;font-weight:800;letter-spacing:.02em}
.cert-group__head p{font-size:.9rem;color:var(--stone);margin-top:6px}
.cert-docs{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(290px,1fr));
  gap:18px;max-width:1020px;margin:0 auto;
}
.cert-doc{
  display:flex;gap:16px;align-items:flex-start;
  background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);
  padding:22px 22px;border:2px solid transparent;
  transition:border-color .2s ease,transform .2s ease;
}
.cert-doc:hover{border-color:var(--red);transform:translateY(-4px)}
.cert-doc__icon{
  flex:0 0 auto;width:42px;height:42px;border-radius:10px;
  background:rgba(230,0,18,.1);color:var(--red);
  display:grid;place-items:center;font-size:.62rem;font-weight:800;letter-spacing:.04em;
}
.cert-doc__body h3{font-size:.95rem;font-weight:800;margin-bottom:3px}
.cert-doc__body p{font-size:.8rem;color:var(--stone);line-height:1.5}
.cert-doc__more{
  display:inline-block;margin-top:8px;font-size:.76rem;font-weight:700;
  letter-spacing:.04em;color:var(--red);
}
.cert-note{
  max-width:1020px;margin:10px auto 0;font-size:.8rem;color:var(--stone);
  text-align:center;letter-spacing:.02em;
}
@media (max-width:560px){
  .cert-badges img{height:38px}
}