/* ============================================================
   SULFEX+  —  Brand Showcase Stylesheet
   Palette: royal blue, brand red, white, lemon accents
   ============================================================ */
:root{
  --blue:#1640a8;
  --blue-dark:#0c2a73;
  --blue-light:#2f6bdf;
  --red:#d62330;
  --red-dark:#a3121d;
  --lemon:#ffd23f;
  --green:#2faa5e;
  --ink:#10203f;
  --muted:#5b6b86;
  --bg:#ffffff;
  --bg-soft:#f3f7ff;
  --shadow:0 18px 50px -18px rgba(12,42,115,.35);
  --radius:22px;
  --maxw:1200px;
  --font:'Poppins',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  --display:'Baloo 2','Poppins',sans-serif;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.6;overflow-x:hidden}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
h1,h2,h3,h4{font-family:var(--display);line-height:1.1;letter-spacing:-.5px}

/* ---------- Buttons ---------- */
.btn{
  display:inline-block;padding:.95rem 1.8rem;border-radius:50px;
  background:linear-gradient(135deg,var(--red),var(--red-dark));
  color:#fff;font-weight:700;font-size:.98rem;border:none;cursor:pointer;
  box-shadow:0 12px 26px -10px rgba(214,35,48,.7);transition:.25s transform,.25s box-shadow;
}
.btn:hover{transform:translateY(-3px);box-shadow:0 18px 34px -12px rgba(214,35,48,.85)}
.btn--ghost{background:transparent;color:#fff;border:2px solid rgba(255,255,255,.7);box-shadow:none}
.btn--ghost:hover{background:#fff;color:var(--blue)}
.btn--sm{padding:.6rem 1.2rem;font-size:.85rem}
.btn--full{width:100%;text-align:center}

.eyebrow{text-transform:uppercase;letter-spacing:3px;font-size:.78rem;font-weight:700;color:var(--red)}
.lead{color:var(--muted);font-size:1.08rem;max-width:60ch}

/* ---------- Reveal animation ---------- */
.reveal{opacity:0;transform:translateY(40px);transition:opacity .8s ease,transform .8s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}

/* ============================================================
   TOP MARQUEE BAR
   ============================================================ */
.topbar{background:linear-gradient(90deg,var(--blue-dark),var(--blue));color:#fff;overflow:hidden;font-size:.82rem;font-weight:600}
.topbar__track{display:flex;gap:3rem;white-space:nowrap;padding:.5rem 0;width:max-content;animation:marquee 26s linear infinite}
.topbar__track span{display:inline-flex;align-items:center;gap:.4rem}
@keyframes marquee{to{transform:translateX(-50%)}}

/* ============================================================
   NAVBAR
   ============================================================ */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.85);backdrop-filter:blur(12px);transition:.3s box-shadow,.3s background}
.nav.scrolled{box-shadow:0 8px 30px -16px rgba(12,42,115,.4)}
.nav__inner{max-width:var(--maxw);margin:0 auto;display:flex;align-items:center;justify-content:space-between;padding:.6rem 1.4rem}
.nav__logo{display:flex;align-items:center}
.nav__logo img{height:62px;width:auto;transition:.25s transform}
.nav__logo:hover img{transform:scale(1.05)}
.nav__links{display:flex;align-items:center;gap:1.8rem}
.nav__links a{font-weight:600;color:var(--ink);font-size:.96rem;transition:.2s color}
.nav__links a:not(.btn):hover{color:var(--red)}
.nav__toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:.4rem}
.nav__toggle span{width:26px;height:3px;background:var(--blue);border-radius:3px;transition:.3s}

/* ============================================================
   HERO
   ============================================================ */
.hero{position:relative;min-height:100vh;display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:2rem;
  max-width:var(--maxw);margin:0 auto;padding:2rem 1.4rem 4rem;overflow:hidden}
.hero__bg{position:absolute;inset:-20% -40% auto auto;width:90%;height:130%;z-index:-2;
  background:radial-gradient(circle at 70% 30%,#eaf1ff 0%,#ffffff 55%);}
.hero__bg::after{content:"";position:absolute;right:-10%;top:5%;width:70%;height:70%;border-radius:50%;
  background:radial-gradient(circle,rgba(47,107,223,.12),transparent 70%)}
.hero__content{position:relative;z-index:2}
.hero__eyebrow{text-transform:uppercase;letter-spacing:4px;font-weight:700;color:var(--red);font-size:.85rem;margin-bottom:1rem}
.hero__title{font-size:clamp(2.6rem,5.5vw,4.6rem);color:var(--blue-dark)}
.hero__title span{color:var(--red)}
.hero__sub{margin:1.4rem 0 2rem;font-size:1.15rem;color:var(--muted);max-width:46ch}
.hero__sub strong{color:var(--blue)}
.hero__cta{display:flex;gap:1rem;flex-wrap:wrap}
.hero__cta .btn--ghost{color:var(--blue);border-color:var(--blue)}
.hero__cta .btn--ghost:hover{background:var(--blue);color:#fff}

/* spinning bottle stage */
.hero__stage{position:relative;display:flex;align-items:center;justify-content:center;height:80vh;max-height:680px}
#spinCanvas{max-width:100%;height:100%;width:auto;filter:drop-shadow(0 40px 50px rgba(12,42,115,.28))}
.hero__badge{position:absolute;top:8%;right:2%;width:120px;height:120px;border-radius:50%;
  background:linear-gradient(145deg,var(--red),var(--red-dark));color:#fff;display:flex;flex-direction:column;
  align-items:center;justify-content:center;box-shadow:0 16px 30px -10px rgba(214,35,48,.7);
  animation:floaty 4s ease-in-out infinite;border:4px solid #fff}
.hero__badge-num{font-family:var(--display);font-size:1.7rem;font-weight:800;line-height:1}
.hero__badge-txt{font-size:.72rem;letter-spacing:1px;text-transform:uppercase}
@keyframes floaty{50%{transform:translateY(-12px)}}

.hero__bubbles{position:absolute;inset:0;z-index:-1;pointer-events:none}
.hero__bubbles span{position:absolute;bottom:-40px;border-radius:50%;background:radial-gradient(circle at 30% 30%,#fff,rgba(47,107,223,.25));
  opacity:.5;animation:rise linear infinite}
@keyframes rise{to{transform:translateY(-110vh);opacity:0}}

.hero__scrollhint{position:absolute;bottom:1.4rem;left:50%;transform:translateX(-50%);text-align:center;color:var(--muted);font-size:.78rem;letter-spacing:1px}
.hero__scrollhint i{display:block;width:22px;height:34px;border:2px solid var(--muted);border-radius:14px;margin:.5rem auto 0;position:relative}
.hero__scrollhint i::after{content:"";position:absolute;top:6px;left:50%;transform:translateX(-50%);width:4px;height:7px;border-radius:3px;background:var(--red);animation:scrolldot 1.6s infinite}
@keyframes scrolldot{0%{opacity:0;top:6px}40%{opacity:1}80%{opacity:0;top:16px}}

/* ============================================================
   BRAND PROMISE STRIP
   ============================================================ */
.promise{max-width:var(--maxw);margin:0 auto;padding:3.5rem 1.4rem;display:grid;grid-template-columns:repeat(4,1fr);gap:1.4rem}
.promise__item{background:var(--bg-soft);border-radius:var(--radius);padding:2rem 1.5rem;text-align:center;transition:.3s transform,.3s box-shadow;border:1px solid #e6eeff}
.promise__item:hover{transform:translateY(-8px);box-shadow:var(--shadow)}
.promise__ico{font-size:2.4rem;margin-bottom:.6rem}
.promise__item h3{color:var(--blue);font-size:1.15rem;margin-bottom:.4rem}
.promise__item p{color:var(--muted);font-size:.92rem}

/* ============================================================
   SECTION HEADINGS
   ============================================================ */
.section-head{text-align:center;max-width:720px;margin:0 auto 3rem}
.section-head h2{font-size:clamp(2rem,4vw,3rem);color:var(--blue-dark);margin:.6rem 0}
.section-head .lead{margin:0 auto}

/* ============================================================
   PRODUCT RANGE
   ============================================================ */
.products{max-width:var(--maxw);margin:0 auto;padding:4rem 1.4rem}
.product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.6rem}
.pcard{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:0 14px 40px -22px rgba(12,42,115,.4);
  border:1px solid #eef3ff;transition:.35s transform,.35s box-shadow}
.pcard:hover{transform:translateY(-10px) rotate(-.5deg);box-shadow:var(--shadow)}
.pcard__img{aspect-ratio:1/1;overflow:hidden;background:linear-gradient(160deg,#eaf1ff,#fff);display:flex;align-items:center;justify-content:center}
.pcard__img img{width:100%;height:100%;object-fit:cover;transition:.5s transform}
.pcard:hover .pcard__img img{transform:scale(1.07)}
.pcard__body{padding:1.4rem}
.pcard__body h3{color:var(--blue);font-size:1.2rem;margin-bottom:.4rem}
.pcard__body p{color:var(--muted);font-size:.9rem;margin-bottom:.9rem}
.pcard__tag{display:inline-block;background:var(--bg-soft);color:var(--red);font-weight:700;font-size:.74rem;
  padding:.35rem .8rem;border-radius:30px;letter-spacing:.5px;text-transform:uppercase}

/* ============================================================
   SPOTLIGHT (parallax)
   ============================================================ */
.spotlight{position:relative;display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:3rem;
  max-width:var(--maxw);margin:3rem auto;padding:4rem 1.4rem;border-radius:32px;overflow:hidden;
  background:linear-gradient(135deg,var(--blue-dark),var(--blue))}
.spotlight::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 80% 20%,rgba(255,255,255,.12),transparent 50%)}
.spotlight__media{position:relative;z-index:2}
.spotlight__media img{border-radius:20px;box-shadow:0 30px 60px -20px rgba(0,0,0,.6)}
.spotlight__copy{position:relative;z-index:2;color:#fff}
.spotlight__copy .eyebrow{color:var(--lemon)}
.spotlight__copy h2{color:#fff;font-size:clamp(1.8rem,3.4vw,2.7rem);margin:.6rem 0 1rem}
.spotlight__copy .lead{color:rgba(255,255,255,.85)}
.ticks{list-style:none;margin:1.4rem 0;display:grid;gap:.7rem}
.ticks li{position:relative;padding-left:2rem;color:rgba(255,255,255,.95);font-weight:500}
.ticks li::before{content:"✓";position:absolute;left:0;top:0;width:1.4rem;height:1.4rem;background:var(--green);color:#fff;border-radius:50%;display:grid;place-items:center;font-size:.8rem;font-weight:800}
.spotlight__copy .ticks li{color:rgba(255,255,255,.95)}

/* ============================================================
   WHY SULFEX
   ============================================================ */
.why{max-width:var(--maxw);margin:0 auto;padding:5rem 1.4rem;display:grid;grid-template-columns:.9fr 1.1fr;gap:3rem;align-items:center}
.shield{position:relative;width:min(360px,80vw);aspect-ratio:1/1;margin:0 auto;border-radius:50%;
  background:radial-gradient(circle at 50% 35%,var(--blue-light),var(--blue-dark));
  display:flex;flex-direction:column;align-items:center;justify-content:center;color:#fff;
  box-shadow:0 30px 70px -25px rgba(22,64,168,.8);border:10px solid #fff}
.shield::after{content:"";position:absolute;inset:14px;border-radius:50%;border:2px dashed rgba(255,255,255,.35)}
.shield__num{font-family:var(--display);font-size:4.2rem;font-weight:800;line-height:1}
.shield__pct{font-family:var(--display);font-size:2rem;font-weight:800;margin-top:-.6rem}
.shield__lbl{text-transform:uppercase;letter-spacing:2px;font-size:.8rem;margin-top:.4rem}
.why__copy h2{font-size:clamp(2rem,4vw,3rem);color:var(--blue-dark);margin:.5rem 0 1rem}
.why__stats{display:flex;gap:2.4rem;margin-top:2rem;flex-wrap:wrap}
.why__stats div{display:flex;flex-direction:column}
.why__stats strong{font-family:var(--display);font-size:2rem;color:var(--red)}
.why__stats span{color:var(--muted);font-size:.88rem}

/* ============================================================
   RAVES
   ============================================================ */
.raves{background:var(--bg-soft);padding:5rem 1.4rem}
.raves__grid{max-width:var(--maxw);margin:0 auto;display:grid;grid-template-columns:repeat(3,1fr);gap:1.6rem}
.raves blockquote{background:#fff;border-radius:var(--radius);padding:2rem;box-shadow:0 14px 40px -24px rgba(12,42,115,.4)}
.raves .stars{color:var(--lemon);font-size:1.1rem;letter-spacing:2px;margin-bottom:.8rem}
.raves p{color:var(--ink);font-weight:500;margin-bottom:1rem}
.raves cite{color:var(--muted);font-style:normal;font-weight:600;font-size:.9rem}

/* ============================================================
   ABOUT
   ============================================================ */
.about{padding:5rem 1.4rem;text-align:center}
.about__inner{max-width:760px;margin:0 auto}
.about__logo{height:90px;width:auto;margin:0 auto 1.4rem}
.about h2{font-size:clamp(2rem,4vw,2.8rem);color:var(--blue-dark);margin-bottom:1rem}
.about p{color:var(--muted);font-size:1.08rem}

/* ============================================================
   CONTACT
   ============================================================ */
.contact{background:linear-gradient(135deg,var(--blue-dark),var(--blue));padding:5rem 1.4rem;color:#fff}
.contact__inner{max-width:var(--maxw);margin:0 auto;display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:center}
.contact__copy .eyebrow{color:var(--lemon)}
.contact__copy h2{font-size:clamp(2rem,4vw,3rem);margin:.5rem 0 1rem}
.contact__copy .lead{color:rgba(255,255,255,.85)}
.contact__form{background:#fff;border-radius:var(--radius);padding:2.2rem;box-shadow:var(--shadow);color:var(--ink)}
.contact__form h3{color:var(--blue-dark);font-size:1.5rem;margin-bottom:1.2rem}
.field{margin-bottom:1rem}
.field input,.field textarea{width:100%;padding:.9rem 1.1rem;border:2px solid #e3ebfb;border-radius:12px;font-family:inherit;font-size:.95rem;transition:.2s border}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--blue-light)}
.form-note{margin-top:1rem;color:var(--green);font-weight:600;text-align:center}

/* ============================================================
   FOOTER
   ============================================================ */
.footer{background:var(--ink);color:#cdd7ec;padding:3.5rem 1.4rem 1.5rem}
.footer__inner{max-width:var(--maxw);margin:0 auto;display:grid;grid-template-columns:2fr 1fr 1fr 1.3fr;gap:2rem}
.footer__brand img{height:74px;width:auto;margin-bottom:1rem;background:#fff;padding:8px 12px;border-radius:14px;box-shadow:0 8px 22px -10px rgba(0,0,0,.5)}
.footer__brand p{font-size:.92rem;max-width:32ch}
.footer__col h4{color:#fff;margin-bottom:1rem;font-size:1rem}
.footer__col a,.footer__col span{display:block;color:#9fb0cf;font-size:.92rem;margin-bottom:.55rem;transition:.2s color}
.footer__col a:hover{color:var(--lemon)}
.footer__bar{max-width:var(--maxw);margin:2.5rem auto 0;padding-top:1.4rem;border-top:1px solid rgba(255,255,255,.1);
  display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;font-size:.82rem;color:#8294b5}

/* ============================================================
   MODAL / POPUP
   ============================================================ */
.modal{position:fixed;inset:0;z-index:100;display:flex;align-items:center;justify-content:center;padding:1.2rem}
.modal[hidden]{display:none}
.modal__overlay{position:absolute;inset:0;background:rgba(12,33,63,.6);backdrop-filter:blur(4px);animation:fade .3s}
.modal__box{position:relative;background:#fff;border-radius:26px;max-width:420px;width:100%;padding:2.4rem 2rem 1.6rem;
  text-align:center;box-shadow:0 40px 80px -30px rgba(0,0,0,.6);animation:pop .4s cubic-bezier(.2,.8,.2,1)}
.modal__brand img{height:64px;width:auto;margin:0 auto .6rem}
.modal__box h3{color:var(--blue-dark);font-size:1.5rem;margin-bottom:.5rem}
.modal__box>p{color:var(--muted);font-size:.95rem;margin-bottom:1.3rem}
.modal__box form{display:grid;gap:.7rem}
.modal__box input{width:100%;padding:.85rem 1rem;border:2px solid #e3ebfb;border-radius:12px;font-family:inherit;font-size:.95rem}
.modal__box input:focus{outline:none;border-color:var(--blue-light)}
.modal__close{position:absolute;top:.8rem;right:1rem;background:none;border:none;font-size:1.8rem;line-height:1;color:var(--muted);cursor:pointer}
.modal__dismiss{background:none;border:none;color:var(--muted);font-size:.85rem;margin-top:.9rem;cursor:pointer;text-decoration:underline}
.modal__note{margin-top:.8rem;color:var(--green);font-weight:600}
@keyframes fade{from{opacity:0}}
@keyframes pop{from{opacity:0;transform:translateY(30px) scale(.96)}}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media(max-width:980px){
  .hero{grid-template-columns:1fr;text-align:center;padding-top:1rem;min-height:auto}
  .hero__content{order:2}
  .hero__stage{order:1;height:54vh}
  .hero__sub{margin-inline:auto}
  .hero__cta{justify-content:center}
  .hero__scrollhint{display:none}
  .promise{grid-template-columns:repeat(2,1fr)}
  .product-grid{grid-template-columns:repeat(2,1fr)}
  .spotlight{grid-template-columns:1fr}
  .why{grid-template-columns:1fr;text-align:center}
  .why__stats{justify-content:center}
  .raves__grid{grid-template-columns:1fr}
  .contact__inner{grid-template-columns:1fr}
  .footer__inner{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
  .nav__links{position:fixed;inset:0 0 0 auto;width:74%;max-width:320px;background:#fff;flex-direction:column;
    justify-content:center;gap:1.6rem;transform:translateX(110%);transition:.35s transform;box-shadow:-20px 0 60px -20px rgba(0,0,0,.3);z-index:60}
  .nav__links.open{transform:none}
  .nav__toggle{display:flex;z-index:61}
  .nav.menu-open .nav__toggle span:nth-child(1){transform:translateY(8px) rotate(45deg)}
  .nav.menu-open .nav__toggle span:nth-child(2){opacity:0}
  .nav.menu-open .nav__toggle span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}
  .promise,.product-grid{grid-template-columns:1fr}
  .footer__inner{grid-template-columns:1fr}
  .footer__bar{flex-direction:column;text-align:center}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}