/* ============================================
   MASTICK — style.css v3
   Complete rewrite matching ALL HTML classes
   Mobile-first · Premium DTC editorial
   ============================================ */

:root {
  --yellow: #EAC63E;
  --dark: #16181A;
  --cream: #F5F2EA;
  --orange: #E8601C;
  --green: #2D8F3C;
  --white: #fff;
  --muted: #6B6B6B;
  --border: #E5E5E5;
  --bg: #F9F7F2;
  --serif: Georgia, 'Times New Roman', serif;
  --sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --ease: .3s ease;
  --r: 8px;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--sans);font-size:16px;line-height:1.6;color:var(--dark);background:var(--bg);-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button{cursor:pointer;border:none;background:none;font:inherit;color:inherit}
input,select,textarea{font:inherit}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.section{padding:56px 0}
.section--dark{background:var(--dark);color:var(--white)}
.section--yellow{background:var(--yellow)}
h1,h2,h3,h4{font-family:var(--serif);font-weight:700;line-height:1.1}
.section-title{font-size:28px;font-weight:900;margin-bottom:12px}
.section-title em{font-style:italic;font-weight:400}
.section-title--light{color:var(--white)}
.section-label{display:flex;align-items:center;gap:6px;font-family:var(--sans);font-size:11px;font-weight:700;letter-spacing:.15em;text-transform:uppercase;margin-bottom:12px}
.section-label--light,.section-label--yellow{color:var(--yellow)}
.section-label__icon{font-size:12px}
.price-compare,.price-old{text-decoration:line-through;color:var(--muted);font-size:13px;margin-left:4px}
.price-current{font-weight:800}
.link-arrow{font-weight:700;text-decoration:underline;text-underline-offset:4px}
.link-arrow:hover{opacity:.7}

.btn{display:inline-flex;align-items:center;justify-content:center;padding:16px 32px;border-radius:var(--r);font-weight:800;font-size:13px;letter-spacing:.06em;text-transform:uppercase;transition:all var(--ease);text-align:center}
.btn--primary{background:var(--dark);color:var(--white)}
.btn--primary:hover{background:#2a2d30;transform:translateY(-1px)}
.btn--white{background:var(--white);color:var(--dark)}
.btn--white:hover{background:var(--cream)}
.btn--full{width:100%}

.badge{display:inline-block;padding:4px 10px;border-radius:999px;font-size:10px;font-weight:800;letter-spacing:.05em;text-transform:uppercase;white-space:nowrap}
.badge--orange{background:var(--orange);color:var(--white)}
.badge--green{background:var(--green);color:var(--white)}
.badge--red{background:#c0392b;color:var(--white)}
.badge--discount{background:var(--orange);color:var(--white)}
.badge--float{position:absolute;top:-10px;right:12px;z-index:2}

.announce-bar,.announcement-bar{background:var(--dark);color:var(--white);text-align:center;padding:10px 20px;font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase}
.announce-bar p,.announcement-bar p{margin:0}

.header{position:sticky;top:0;z-index:100;background:var(--white);border-bottom:1px solid var(--border);transition:box-shadow var(--ease)}
.header--scrolled{box-shadow:0 1px 6px rgba(0,0,0,.08)}
/* Mobile: hamburger left, logo CENTER (absolute), cart right */
.header__inner{display:flex;align-items:center;justify-content:space-between;height:56px;max-width:1200px;margin:0 auto;padding:0 16px;position:relative}
.header__left{display:flex;align-items:center;z-index:2}
.header__logo{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%)}
.header__logo img{height:28px;width:auto}
.header__nav{display:none}
.header__nav a,.header__nav-link{font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;transition:opacity var(--ease);white-space:nowrap}
.header__nav a:hover,.header__nav-link:hover{opacity:.6}
.header__nav-link--active{border-bottom:2px solid var(--dark);padding-bottom:2px}
.header__nav-list{display:flex;gap:28px;align-items:center}
.header__actions{display:flex;align-items:center;gap:4px;z-index:2}
/* Hide search and account on mobile — only show cart */
.header__search-btn,.header__account-btn{display:none}
.header__icon,.header__action-btn,.header__cart-btn{position:relative;width:40px;height:40px;display:flex;align-items:center;justify-content:center}
.header__icon svg,.header__action-btn svg,.header__cart-btn svg{width:20px;height:20px}
.header__cart-count{position:absolute;top:2px;right:0;background:var(--yellow);color:var(--dark);font-size:10px;font-weight:700;width:18px;height:18px;border-radius:50%;display:flex;align-items:center;justify-content:center}

.hamburger,.header__menu-btn{width:40px;height:40px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;z-index:110}
.hamburger__line,.header__menu-btn span{display:block;width:20px;height:2px;background:var(--dark);transition:var(--ease);transform-origin:center}
.hamburger--open .hamburger__line:nth-child(1),.header__menu-btn.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hamburger--open .hamburger__line:nth-child(2),.header__menu-btn.active span:nth-child(2){opacity:0}
.hamburger--open .hamburger__line:nth-child(3),.header__menu-btn.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* Mobile menu — Shopify style: slides down below header, not fullscreen */
.mobile-menu{
  display:none;overflow:hidden;background:var(--white);
  border-bottom:1px solid var(--border);
}
.mobile-menu--open{display:block}
.mobile-menu__link{
  display:block;padding:14px 20px;font-size:16px;font-weight:600;
  border-bottom:1px solid var(--border);color:var(--dark);
}
.mobile-menu__link:last-child{border-bottom:none}
.mobile-menu__link:active{background:var(--bg)}

.hero{background:var(--yellow);overflow:hidden}
.hero__inner{max-width:1200px;margin:0 auto;padding:40px 20px 16px}
.hero__content{margin-bottom:24px}
.hero__title{font-size:32px;font-weight:900;line-height:1.05;margin-bottom:16px}
.hero__title em{font-style:italic;font-weight:400}
.hero__text{font-size:16px;line-height:1.5;max-width:500px;margin-bottom:16px}
.hero__cta-group{display:flex;flex-direction:column;gap:8px}
.hero__price{font-size:13px;margin-top:8px}
.hero__price strong{font-weight:800}
.hero__image{border-radius:16px;overflow:hidden}
.hero__image img{width:100%;height:auto;object-fit:cover}
.hero__stats{display:flex;gap:12px;margin-top:24px;padding:20px 20px 32px;border-top:2px solid var(--dark);max-width:1200px;margin-left:auto;margin-right:auto}
.hero__stat{flex:1;text-align:center}
.hero__stat strong,.hero__stat-number{display:block;font-family:var(--serif);font-size:28px;font-weight:900;line-height:1;margin-bottom:4px}
.hero__stat span,.hero__stat-label{font-size:11px;color:var(--muted)}

.proof{background:var(--bg);padding:56px 0}
.proof__inner{max-width:1200px;margin:0 auto;padding:0 20px}
.proof__image,.proof__image-wrapper{position:relative;background:var(--yellow);border-radius:16px;padding:24px;margin-bottom:24px;overflow:hidden}
.proof__image img,.proof__image-wrapper img{width:100%;border-radius:var(--r)}
.proof__badges{display:flex;justify-content:space-around;margin-top:12px}
.proof__badge{display:inline-block;padding:6px 16px;border-radius:999px;font-size:11px;font-weight:800;letter-spacing:.05em;text-transform:uppercase}
.proof__badge--day1{background:var(--dark);color:var(--white)}
.proof__badge--day30{background:var(--orange);color:var(--white)}
.proof__content{max-width:500px}
.proof__title{font-size:28px;font-weight:900;margin-bottom:12px}
.proof__title em{font-style:italic;font-weight:400}
.proof__content p,.proof__text{color:var(--muted);margin-bottom:12px;line-height:1.6}
.proof__link{font-weight:700;text-decoration:underline;text-underline-offset:4px}

.water-checker{background:var(--dark);color:var(--white);padding:56px 0}
.water-checker__inner{max-width:1200px;margin:0 auto;padding:0 20px}
.water-checker__title{font-size:28px;font-weight:900;color:var(--white);margin-bottom:12px}
.water-checker__title em{font-style:italic;font-weight:400}
.water-checker__text{color:rgba(255,255,255,.7);margin-bottom:24px;max-width:500px}
.water-checker__form{display:flex;flex-direction:column;gap:12px;margin-bottom:24px}
.water-checker__label{font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--yellow)}
.water-checker__select{width:100%;padding:14px 16px;border-radius:var(--r);border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.08);color:var(--white);font-size:16px;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='%23EAC63E'%3E%3Cpath d='M6 8L0 0h12z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 16px center}
.water-checker__select option{color:var(--dark);background:var(--white)}
.water-checker__result,.water-checker__card{background:var(--yellow);border-radius:16px;padding:24px;color:var(--dark);margin-top:24px}
.water-checker__result-label,.water-checker__example{font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;margin-bottom:8px}
.water-checker__result-value,.water-checker__value{margin-bottom:12px}
.water-checker__number{font-family:var(--serif);font-size:56px;font-weight:900;line-height:1}
.water-checker__unit,.water-checker__result-unit{font-size:24px;vertical-align:super}
.water-checker__gauge{margin-bottom:12px}
.water-checker__gauge-bar{height:8px;border-radius:4px;position:relative;background:linear-gradient(to right,#A8D5A2,#EAC63E 40%,#E8601C 70%,#C0392B)}
.water-checker__gauge-marker{position:absolute;top:-4px;width:3px;height:16px;background:var(--dark);border-radius:2px}
.water-checker__gauge-labels{display:flex;justify-content:space-between;font-size:11px;font-weight:600;margin-top:6px}
.water-checker__result-desc,.water-checker__interpretation{font-size:13px;margin-bottom:16px;line-height:1.5}
.water-checker__result-desc strong,.water-checker__interpretation strong{font-weight:800}
.water-checker__source{font-size:11px;color:rgba(0,0,0,.4);margin-top:12px}

.features{background:var(--bg);padding:56px 0}
.features__inner{max-width:1200px;margin:0 auto;padding:0 20px}
.features__image{background:var(--yellow);border-radius:16px;overflow:hidden;margin-bottom:24px}
.features__image img{width:100%;height:auto;object-fit:cover}
.features__grid{display:block}
.features__list{display:flex;flex-direction:column}
.feature-item{display:flex;gap:12px;padding:16px 0;border-bottom:2px solid var(--dark)}
.feature-item:last-child{border-bottom:none}
.feature-item__icon{width:48px;height:48px;flex-shrink:0;background:var(--yellow);border-radius:50%;display:flex;align-items:center;justify-content:center}
.feature-item__icon svg{width:24px;height:24px}
.feature-item__title,.feature-item strong{font-family:var(--sans);font-weight:800;font-size:16px;margin-bottom:2px}
.feature-item__text,.feature-item p{font-size:13px;color:var(--muted);line-height:1.4}
.features__cta{margin-top:24px}
.features__price{font-size:13px;color:var(--muted);margin-top:8px}
.features__price strong{color:var(--dark)}
.features__price-old{text-decoration:line-through;color:var(--muted)}

.mechanism{background:var(--yellow);padding:56px 0}
.mechanism__inner{max-width:1200px;margin:0 auto;padding:0 20px}
.mechanism__title{font-size:28px;font-weight:900;margin-bottom:12px}
.mechanism__title em{font-style:italic;font-weight:400}
.mechanism__text{margin-bottom:24px;max-width:500px}
.mechanism__image{border-radius:16px;overflow:hidden;margin-bottom:24px}
.mechanism__image img{width:100%}
.mechanism__card{background:var(--white);border:3px solid var(--dark);border-radius:16px;overflow:hidden}
.mechanism__card-header,.mechanism__card-footer{background:var(--dark);color:var(--yellow);text-align:center;padding:10px;font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase}
.mechanism__layer{padding:16px;display:flex;gap:12px;align-items:flex-start}
.mechanism__layer+.mechanism__layer{border-top:2px dashed var(--border)}
.mechanism__separator{display:none}
.mechanism__layer-icon{width:40px;height:40px;flex-shrink:0;border-radius:50%;border:2px solid var(--dark);display:flex;align-items:center;justify-content:center}
.mechanism__layer-title,.mechanism__layer strong{font-weight:800;font-size:16px;margin-bottom:2px}
.mechanism__layer-text,.mechanism__layer p{font-size:13px;color:var(--muted);line-height:1.4}

.range{background:var(--bg);padding:56px 0}
.range__inner{max-width:1200px;margin:0 auto;padding:0 20px}
.range__header{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:24px}
.range__link{font-weight:700;text-decoration:underline;text-underline-offset:4px;font-size:13px}
.range__grid{display:grid;gap:24px}
.range__featured{position:relative;background:var(--yellow);border-radius:16px;overflow:hidden}
.range__featured-link,.range__featured a{display:block;padding:16px;text-decoration:none;color:inherit}
.range__featured img{width:100%;border-radius:var(--r);margin-bottom:12px}
.range__featured .badge{position:absolute;top:16px;left:16px;z-index:2}
.range__featured-info strong{display:block;font-size:18px;margin-bottom:4px}
.range__featured-info p{font-size:13px;color:var(--muted);margin-bottom:8px}
.range__featured-price strong{font-size:24px}
.range__list{display:flex;flex-direction:column}
.range__item,.range-item{display:flex;align-items:center;gap:12px;padding:12px 0;border-bottom:1px solid var(--border);text-decoration:none;transition:opacity var(--ease)}
.range__item:hover,.range-item:hover{opacity:.7}
.range__item:last-child,.range-item:last-child{border-bottom:none}
.range__item img,.range-item img{width:56px;height:56px;border-radius:var(--r);object-fit:cover;background:var(--cream);flex-shrink:0}
.range-item__image{width:56px;height:56px;flex-shrink:0;border-radius:var(--r);overflow:hidden;background:var(--cream)}
.range-item__image img{width:100%;height:100%;object-fit:cover}
.range__item-info,.range-item__info{flex:1;min-width:0}
.range__item-cat,.range-item__category{display:block;font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.range__item-info strong,.range-item__name{display:block;font-weight:700;font-size:13px;line-height:1.3}
.range__item-price,.range-item__prices{text-align:right;white-space:nowrap;font-size:13px}
.range__item-price strong{font-weight:800}

.lifestyle{background:var(--bg);padding:56px 0}
.lifestyle__inner{max-width:1200px;margin:0 auto;padding:0 20px}
.lifestyle__title{font-size:28px;font-weight:900;margin-bottom:24px}
.lifestyle__title em{font-style:italic;font-weight:400}
.lifestyle__grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.lifestyle__item{position:relative;border-radius:var(--r);overflow:hidden;aspect-ratio:4/5}
.lifestyle__item:first-child,.lifestyle__item--large{grid-row:span 2;aspect-ratio:auto}
.lifestyle__item img{width:100%;height:100%;object-fit:cover}
.lifestyle__badge{position:absolute;bottom:8px;left:8px;background:var(--white);color:var(--dark);padding:6px 12px;border-radius:999px;font-size:11px;font-weight:700}

.guarantee{background:var(--dark);color:var(--white);padding:56px 0}
.guarantee__inner{max-width:1200px;margin:0 auto;padding:0 20px;display:flex;flex-direction:column;align-items:center;text-align:center;gap:24px}
.guarantee__circle{width:100px;height:100px;border-radius:50%;border:3px solid var(--yellow);display:flex;flex-direction:column;align-items:center;justify-content:center}
.guarantee__number,.guarantee__badge-number{font-family:var(--serif);font-size:36px;font-weight:900;line-height:1;color:var(--yellow)}
.guarantee__label,.guarantee__badge-label{font-size:11px;text-transform:uppercase;letter-spacing:.08em;font-weight:700}
.guarantee__title{color:var(--white);font-size:28px}
.guarantee__title em{font-style:italic;font-weight:400}
.guarantee__text,.guarantee__inner>p{color:rgba(255,255,255,.7);max-width:500px;margin-bottom:16px}

.faq{background:var(--white);padding:56px 0}
.faq__inner{max-width:1200px;margin:0 auto;padding:0 20px}
.faq__header{margin-bottom:24px}
.faq__header p,.faq__subtitle{font-size:13px;color:var(--muted)}
.faq__label{font-size:11px;font-weight:700;letter-spacing:.15em;text-transform:uppercase;margin-bottom:8px}
.faq__list{max-width:700px}
.faq-item{border-bottom:1px solid var(--border)}
.faq-item__question{display:flex;justify-content:space-between;align-items:center;width:100%;padding:16px 0;font-weight:700;font-size:16px;text-align:left;gap:12px;cursor:pointer}
.faq-item__icon{width:28px;height:28px;flex-shrink:0;border-radius:50%;border:2px solid var(--border);display:flex;align-items:center;justify-content:center;transition:transform var(--ease);font-size:18px;line-height:1}
.faq-item--open .faq-item__icon{transform:rotate(45deg);border-color:var(--dark)}
.faq-item__answer{max-height:0;overflow:hidden;transition:max-height .4s ease}
.faq-item--open .faq-item__answer{max-height:300px;padding-bottom:16px}
.faq-item__answer p{color:var(--muted);font-size:13px;line-height:1.6}

.accordion{border-bottom:1px solid var(--border)}
.accordion__trigger{display:flex;justify-content:space-between;align-items:center;width:100%;padding:16px 0;font-weight:700;font-size:15px;text-align:left;gap:12px;cursor:pointer}
.accordion__icon{width:28px;height:28px;flex-shrink:0;border-radius:50%;border:2px solid var(--border);display:flex;align-items:center;justify-content:center;transition:transform var(--ease);font-size:18px;line-height:1}
.accordion.open .accordion__icon,.accordion__item--open .accordion__icon{transform:rotate(45deg);border-color:var(--dark)}
.accordion__content,.accordion__body{max-height:0;overflow:hidden;transition:max-height .4s ease}
.accordion.open .accordion__content,.accordion.open .accordion__body,.accordion__item--open .accordion__body{max-height:500px;padding-bottom:16px}
.accordion__content p,.accordion__body p{color:var(--muted);font-size:13px;line-height:1.6;margin-bottom:8px}

.footer{background:var(--dark);color:var(--white);padding:48px 0 24px}
.footer__inner{max-width:1200px;margin:0 auto;padding:0 20px}
.footer__grid{display:grid;gap:32px}
.footer__brand p,.footer__brand-desc{font-size:13px;color:rgba(255,255,255,.6);line-height:1.5;margin-top:12px;max-width:280px}
.footer__brand a,.footer__contact a{color:var(--white);text-decoration:underline}
.footer__contact{font-size:13px;color:rgba(255,255,255,.6);margin-top:8px}
.footer__logo{margin-bottom:12px;display:block}
.footer__logo img{height:28px;width:auto;display:block}
/* Footer columns — accordion on mobile */
.footer__links{display:flex;flex-direction:column;gap:0}
.footer__col{border-bottom:1px solid rgba(255,255,255,.1)}
.footer__col h4,.footer__col-title{
  font-family:var(--sans);font-size:12px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;
  margin:0;padding:14px 0;cursor:pointer;display:flex;justify-content:space-between;align-items:center;
}
.footer__col h4::after,.footer__col-title::after{content:'+';font-size:18px;font-weight:400;transition:transform var(--ease)}
.footer__col.footer-col--open h4::after,.footer__col.footer-col--open .footer__col-title::after{transform:rotate(45deg)}
.footer__col-links,.footer__col .footer__links{max-height:0;overflow:hidden;transition:max-height .3s ease}
.footer__col.footer-col--open .footer__col-links,.footer__col.footer-col--open .footer__links{max-height:300px;padding-bottom:12px}
.footer__col a,.footer__link{display:block;font-size:13px;color:rgba(255,255,255,.6);padding:4px 0;transition:color var(--ease)}
.footer__col a:hover,.footer__link:hover{color:var(--white)}
.footer__payment,.footer__payment-icon{display:none}
.footer__bottom{text-align:center;padding:24px 20px 0;margin-top:32px;border-top:1px solid rgba(255,255,255,.1)}
.footer__copy{font-size:11px;color:rgba(255,255,255,.4);text-align:center;line-height:1.5}

.product-page{background:var(--white);padding:20px 0}
.product-page__inner{max-width:1200px;margin:0 auto;padding:0 20px}
.product-page__layout{display:block}

.gallery{margin-bottom:24px}
.gallery__main{position:relative;background:var(--yellow);border-radius:16px;overflow:hidden;aspect-ratio:1;touch-action:pan-y}
.gallery__main img{width:100%;height:100%;object-fit:contain}
.gallery__badge{position:absolute;top:12px;left:12px;z-index:2}
.gallery__thumbs{display:flex;gap:8px;margin-top:12px;overflow-x:auto;-webkit-overflow-scrolling:touch;padding-bottom:4px}
.gallery__thumb{width:64px;height:64px;flex-shrink:0;border-radius:6px;overflow:hidden;border:2px solid transparent;cursor:pointer;background:var(--cream)}
.gallery__thumb--active,.gallery__thumb.active{border-color:var(--dark)}
.gallery__thumb img{width:100%;height:100%;object-fit:cover}
.gallery__dots{display:flex;justify-content:center;gap:6px;margin-top:12px}
.gallery__dot{width:8px;height:8px;border-radius:50%;background:var(--border);cursor:pointer;transition:background var(--ease)}
.gallery__dot--active,.gallery__dot.active{background:var(--dark)}

.product-info{margin-bottom:24px}
.product-info__title,.product__title{font-family:var(--serif);font-size:24px;font-weight:900;margin-bottom:8px}
.product-info__desc,.product__desc{font-size:13px;color:var(--muted);margin-bottom:16px;line-height:1.5}
.product-info__checks,.product__checks{display:flex;flex-direction:column;gap:8px;margin-bottom:16px}
.product-info__check,.product__checks li{display:flex;align-items:center;gap:8px;font-size:14px;font-weight:500}
.product-info__check-icon{color:var(--green);font-weight:700;flex-shrink:0}

.offer-selector{margin-bottom:16px}
.offer-selector__label,.product__offer-label{text-align:center;font-size:13px;color:var(--muted);margin-bottom:12px}
.offer-option{position:relative;display:flex;align-items:center;padding:14px 16px;border:2px solid var(--border);border-radius:var(--r);margin-bottom:8px;cursor:pointer;transition:border-color var(--ease);gap:12px}
.offer-option:hover{border-color:var(--muted)}
.offer-option--selected,.offer-option--recommended{border-color:var(--dark);background:rgba(234,198,62,.05)}
.offer-option--single{flex-wrap:wrap}
.offer-option input[type="radio"]{display:none}
.offer-option__radio{width:20px;height:20px;border:2px solid var(--border);border-radius:50%;flex-shrink:0;position:relative}
.offer-option--selected .offer-option__radio{border-color:var(--dark)}
.offer-option--selected .offer-option__radio::after{content:'';position:absolute;top:3px;left:3px;width:10px;height:10px;background:var(--dark);border-radius:50%}
.offer-option__info,.offer-option__content{flex:1;min-width:0}
.offer-option__left{flex:1}
.offer-option__title,.offer-option__left strong{font-weight:700;font-size:14px}
.offer-option__subtitle,.offer-option__sub{font-size:12px;color:var(--muted)}
.offer-option__extra{font-size:12px;color:var(--muted);margin-top:4px;padding-top:6px;border-top:1px dashed var(--border);display:flex;align-items:center;gap:6px}
.offer-option__shipping{font-size:12px;color:var(--muted);margin-top:4px;display:flex;align-items:center;gap:6px;width:100%}
.offer-option__prices,.offer-option__right{text-align:right;white-space:nowrap}
.offer-option__price,.offer-option__right strong{font-weight:800;font-size:17px;color:var(--dark)}
.offer-option__compare{font-size:12px;color:var(--muted);text-decoration:line-through}
.offer-option__discount{font-size:12px;font-weight:700;color:var(--orange)}
.offer-option__badge{position:absolute;top:-10px;right:12px}
.offer-option__unit{font-size:12px;color:var(--muted)}

.product-info__atc{margin-bottom:12px}
.product__add-btn{margin-bottom:12px}
.product__add-price{font-weight:400}
.product-info__delivery,.product__delivery{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--muted);margin-bottom:12px}
.product-info__delivery-dot{width:8px;height:8px;background:var(--green);border-radius:50%;flex-shrink:0}
.product__delivery::before{content:'';display:inline-block;width:8px;height:8px;background:var(--green);border-radius:50%;flex-shrink:0}
.product-info__trial,.product__guarantee{display:flex;align-items:flex-start;gap:12px;padding:12px;background:var(--cream);border-radius:var(--r);margin-bottom:12px}
.product-info__trial-icon{font-size:24px;flex-shrink:0}
.product-info__trial-title,.product__guarantee strong{font-weight:700;font-size:14px}
.product-info__trial-text,.product__guarantee div{font-size:12px;color:var(--muted)}
.product__guarantee svg{flex-shrink:0;margin-top:2px}
.product-info__payment,.product__payment{display:none}

.product.section{background:var(--white);padding:20px 0}
.product__inner{max-width:1200px;margin:0 auto;padding:0 20px}
.product__gallery{margin-bottom:24px}
.product__main-image{position:relative;background:var(--yellow);border-radius:16px;overflow:hidden;aspect-ratio:1}
.product__main-image img{width:100%;height:100%;object-fit:contain}
.product__main-image .badge{position:absolute;top:12px;left:12px;z-index:2}
.product__thumbs{display:flex;gap:8px;margin-top:12px;overflow-x:auto;-webkit-overflow-scrolling:touch;padding-bottom:4px}
.product__thumb{width:64px;height:64px;flex-shrink:0;border-radius:6px;overflow:hidden;border:2px solid transparent;cursor:pointer;background:var(--cream)}
.product__thumb.active{border-color:var(--dark)}
.product__thumb img{width:100%;height:100%;object-fit:cover}

.benefits,.product-benefits{padding:48px 20px;text-align:center;background:var(--white)}
.benefits__title,.product-benefits h2,.benefits h2{font-size:24px;margin-bottom:24px}
.benefits__title em,.benefits h2 em{font-style:italic;font-weight:400}
.benefits__grid,.product-benefits__grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;max-width:700px;margin:0 auto}
.benefits__inner{max-width:1200px;margin:0 auto;padding:0 20px}
.benefit-card,.benefit-item{text-align:center}
.benefit-card__icon,.benefit-item__icon{width:48px;height:48px;background:var(--yellow);border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 8px}
.benefit-card__icon svg,.benefit-item__icon svg{width:24px;height:24px}
.benefit-card__title,.benefit-card h4,.benefit-item h4{font-family:var(--sans);font-weight:800;font-size:14px;margin-bottom:4px}
.benefit-card__text,.benefit-card p,.benefit-item p{font-size:12px;color:var(--muted);line-height:1.4}

.comparison,.product-comparison{padding:48px 0;background:var(--yellow)}
.comparison__inner,.product-comparison__inner{max-width:700px;margin:0 auto;padding:0 20px}
.comparison__title,.comparison h2{text-align:center;font-size:24px;margin-bottom:24px}
.comparison__title em,.comparison h2 em{font-style:italic;font-weight:400}
.comparison__table,.comparison-table{width:100%;border-collapse:collapse;background:var(--white);border-radius:var(--r);overflow:hidden}
.comparison__table th,.comparison-table th{padding:12px 16px;font-size:13px;text-transform:uppercase;letter-spacing:.05em;font-weight:700}
.comparison__table th:first-child,.comparison-table th:first-child{width:40%;text-align:left}
.comparison__col-them,.col-them{background:var(--cream);text-align:center}
.comparison__col-us,.comparison__us,.col-us{background:var(--dark);color:var(--white);text-align:center}
.comparison__table td,.comparison-table td{padding:14px 16px;font-size:13px;border-top:1px solid var(--border)}
.comparison__table td:first-child,.comparison-table td:first-child{text-align:left;font-weight:600}
.comparison__table td:not(:first-child),.comparison-table td:not(:first-child){text-align:center}
.comparison__check,.comparison__yes,.check{color:var(--green);font-weight:600}
.comparison__cross,.comparison__no,.cross{color:var(--muted);opacity:.4}

.recommended{padding:48px 20px;background:var(--white)}
.recommended__inner{max-width:1200px;margin:0 auto}
.recommended__title,.recommended h2{text-align:center;font-size:24px;margin-bottom:24px}
.recommended__grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.product-card,.recommended__card{text-decoration:none;display:block}
.product-card:hover{opacity:.85}
.product-card__image,.recommended__image{position:relative;background:var(--yellow);border-radius:var(--r);overflow:hidden;aspect-ratio:1;margin-bottom:8px}
.product-card__image img,.recommended__image img{width:100%;height:100%;object-fit:contain}
.product-card__badge{position:absolute;top:8px;left:8px}
.product-card__name{font-weight:700;font-size:13px;line-height:1.3;margin-bottom:4px}
.product-card__prices,.recommended__price{font-size:13px}
.product-faq{padding:48px 20px;background:var(--white)}
.product-faq h2{text-align:center;margin-bottom:24px}
.product-faq .faq__list{max-width:700px;margin:0 auto}
.product-filtration{padding:48px 20px;background:var(--bg)}

.cart-overlay{position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:200;opacity:0;visibility:hidden;transition:opacity var(--ease),visibility var(--ease)}
.cart-overlay--open{opacity:1;visibility:visible}
.cart-drawer{position:fixed;top:0;right:0;bottom:0;width:100%;max-width:420px;background:var(--white);z-index:210;transform:translateX(100%);transition:transform var(--ease);display:flex;flex-direction:column}
.cart-drawer--open{transform:translateX(0)}
.cart-drawer__header{display:flex;justify-content:space-between;align-items:center;padding:16px;border-bottom:1px solid var(--border)}
.cart-drawer__header h3,.cart-drawer__title{font-family:var(--serif);font-weight:700;font-size:18px}
.cart-drawer__close{width:32px;height:32px;display:flex;align-items:center;justify-content:center;font-size:24px}
.cart-drawer__body{flex:1;overflow-y:auto;padding:16px}
.cart-drawer__empty{text-align:center;padding:48px 0;color:var(--muted)}
.cart-drawer__footer{border-top:1px solid var(--border);padding:16px}
.cart-drawer__subtotal{display:flex;justify-content:space-between;font-weight:700;margin-bottom:4px}
.cart-drawer__taxes{font-size:12px;color:var(--muted);margin-bottom:12px}
.cart-drawer__secure,.cart-drawer__trust{font-size:12px;color:var(--muted);text-align:center;margin-top:12px;display:flex;align-items:center;justify-content:center;gap:6px}
.cart-item{display:flex;gap:12px;padding:12px 0;border-bottom:1px solid var(--border)}
.cart-item__img-wrap{width:64px;height:64px;border-radius:4px;overflow:hidden;flex-shrink:0;background:var(--cream)}
.cart-item__img-wrap img{width:100%;height:100%;object-fit:cover}
.cart-item__info{flex:1}
.cart-item__title{font-weight:700;font-size:13px;display:block;text-decoration:none;color:var(--dark)}
.cart-item__variant{font-size:12px;color:var(--muted)}
.cart-item__qty{display:flex;align-items:center;gap:8px;margin-top:6px}
.cart-item__qty-btn{width:24px;height:24px;border:1px solid var(--border);border-radius:4px;display:flex;align-items:center;justify-content:center;font-size:14px}
.cart-item__qty-val{font-size:13px;font-weight:700}
.cart-item__right{display:flex;flex-direction:column;align-items:flex-end;justify-content:space-between}
.cart-item__price{font-weight:700;font-size:13px}
.cart-item__remove{color:var(--muted);cursor:pointer}
.cart-drawer__checkout{margin-top:8px}
.cart-drawer__continue{display:inline-block;margin-top:12px;text-decoration:underline;color:var(--dark);font-size:13px}

.search-overlay{position:fixed;inset:0;background:rgba(0,0,0,.8);z-index:300;display:none;align-items:flex-start;justify-content:center;padding-top:120px}
.search-overlay--open{display:flex}
.search-modal{background:var(--white);border-radius:var(--r);padding:16px;width:90%;max-width:500px;display:flex;gap:12px}
.search-modal__input{flex:1;padding:12px 16px;border:2px solid var(--border);border-radius:var(--r);font-size:16px;outline:none}
.search-modal__input:focus{border-color:var(--dark)}
.search-modal__close{width:40px;height:40px;display:flex;align-items:center;justify-content:center}

.sticky-cta{position:fixed;bottom:0;left:0;right:0;z-index:80;background:var(--white);border-top:1px solid var(--border);padding:10px 20px;display:none;align-items:center;gap:12px;box-shadow:0 -4px 12px rgba(0,0,0,.08)}
.sticky-cta--visible{display:flex}
.sticky-cta__inner{display:flex;align-items:center;gap:12px;width:100%}
.sticky-cta__info{flex:1;min-width:0}
.sticky-cta__name{font-size:12px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sticky-cta__prices,.sticky-cta__price{font-size:12px}
.sticky-cta .btn{padding:12px 20px;font-size:12px;white-space:nowrap}

.info-page{background:var(--white);padding:48px 0;min-height:60vh}
.info-page__inner{max-width:700px;margin:0 auto;padding:0 20px}
.info-page h1{font-size:32px;margin-bottom:24px}
.info-page h2{font-size:24px;margin:32px 0 12px}
.info-page h3{font-size:18px;margin:20px 0 8px}
.info-page p{margin-bottom:16px;line-height:1.7;color:var(--muted)}
.info-page a{color:var(--dark);text-decoration:underline;text-underline-offset:3px}
.info-page ul{padding-left:20px;margin-bottom:16px}
.info-page ul li{list-style:disc;margin-bottom:6px;color:var(--muted);line-height:1.6}
.info-page .contact-form{display:flex;flex-direction:column;gap:12px;max-width:500px}
.info-page .contact-form input,.info-page .contact-form textarea{padding:12px 16px;border:2px solid var(--border);border-radius:var(--r);font-size:16px}
.info-page .contact-form textarea{min-height:150px;resize:vertical}

.fade-in{opacity:0;transform:translateY(20px);transition:opacity .6s ease,transform .6s ease}
.fade-in--visible{opacity:1;transform:translateY(0)}

@media(min-width:768px){
  .section-title{font-size:36px}
  .hero__title{font-size:40px}
  .proof__inner{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
  .proof__image,.proof__image-wrapper{margin-bottom:0}
  .water-checker__inner{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
  .features__inner,.features__grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
  .features__image{margin-bottom:0}
  .mechanism__inner{display:grid;grid-template-columns:1fr 1fr;gap:48px}
  .range__grid{grid-template-columns:1fr 1fr;gap:32px}
  .guarantee__inner{flex-direction:row;text-align:left}
  .faq__inner{display:grid;grid-template-columns:1fr 1.5fr;gap:48px}
  /* Footer desktop: all 4 children (brand + 3 cols) in a row */
  .footer__grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
  .footer__col{border-bottom:none}
  .footer__col h4::after,.footer__col-title::after{display:none}
  .footer__col h4,.footer__col-title{cursor:default;padding:0 0 12px}
  .footer__col-links,.footer__col .footer__links{max-height:none!important;overflow:visible;padding-bottom:0!important;display:flex;flex-direction:column}
  .recommended__grid{grid-template-columns:repeat(4,1fr)}
  .product-page__layout{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
  .product__inner{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
  .product__gallery{order:1}.product__info{order:2}
}

@media(min-width:1024px){
  .hamburger,.header__menu-btn{display:none}
  .header__logo{position:static;transform:none}
  .header__nav{display:flex;align-items:center}
  .header__nav-list{display:flex;gap:28px}
  .header__search-btn,.header__account-btn{display:flex}
  .hero__inner{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;padding:64px 20px}
  .lifestyle__grid{grid-template-columns:2fr 1fr 1fr}
  .sticky-cta{display:none!important}
  .gallery{display:grid;grid-template-columns:80px 1fr;gap:12px}
  .gallery__thumbs{flex-direction:column;margin-top:0;overflow-x:visible;order:-1}
  .gallery__thumb{width:80px;height:80px}
  .gallery__dots{display:none}
  .product__gallery{display:grid;grid-template-columns:80px 1fr;gap:12px}
  .product__thumbs{flex-direction:column;margin-top:0;overflow-x:visible;order:-1}
  .product__thumb{width:80px;height:80px}
}

/* Contact form */
.contact-form__field { display: flex; flex-direction: column; gap: 4px; }
.contact-form__field label { font-size: 0.8125rem; font-weight: 600; }
.contact-form__field input, .contact-form__field textarea {
  padding: 12px 16px; border: 2px solid #E5E5E5; border-radius: 8px; font-size: 1rem;
}
.contact-form__field textarea { min-height: 150px; resize: vertical; }