/* ColestZen — design system
   Headings: Urbanist · Body: Hind
   Palette derived from the bottle label (white bottle, deep teal band) */
:root{
  --primary:#2C7468;        /* label teal */
  --primary-dark:#1B4E46;   /* hover / deep sections */
  --secondary:#E7F1EE;      /* soft teal wash */
  --accent:#D99A3D;         /* warm gold for tags + highlights */
  --accent-soft:#FBF1E1;
  --bg:#F7F9F8;
  --heading:#12302B;
  --text:#475955;
  --muted:#6B7C78;
  --card:#FFFFFF;
  --line:#DCE7E3;
  --btn:#2C7468;
  --btn-hover:#1B4E46;
  --ok:#2E9E62;
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 10px 30px rgba(18,48,43,.08);
  --shadow-lg:0 24px 60px rgba(18,48,43,.16);
  --container:1180px;
  --font-h:"Urbanist",system-ui,sans-serif;
  --font-b:"Hind",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font-b);font-size:17px;line-height:1.7;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:var(--primary);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{color:var(--primary-dark)}
h1,h2,h3,h4{font-family:var(--font-h);color:var(--heading);line-height:1.15;margin:0 0 .5em;letter-spacing:-.01em}
h1{font-size:clamp(2.1rem,4.6vw,3.5rem);font-weight:800}
h2{font-size:clamp(1.75rem,3.2vw,2.6rem);font-weight:800}
h3{font-size:clamp(1.15rem,1.6vw,1.35rem);font-weight:700}
h4{font-size:1.05rem;font-weight:700}
p{margin:0 0 1em}
ul,ol{padding-left:1.2em}
.skip{position:absolute;left:-999px;top:0;background:var(--heading);color:#fff;padding:10px 14px;z-index:999}
.skip:focus{left:10px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
.narrow{max-width:820px}
.section{padding:84px 0}
.section.tight{padding:56px 0}
.section.alt{background:#fff}
.section.wash{background:var(--secondary)}
.section.deep{background:linear-gradient(160deg,var(--primary-dark),#123a34);color:#d7e8e3}
.section.deep h2,.section.deep h3{color:#fff}
.eyebrow{display:inline-block;font-family:var(--font-h);font-weight:700;font-size:.82rem;letter-spacing:.14em;text-transform:uppercase;color:var(--primary);margin-bottom:12px}
.deep .eyebrow{color:#9ed6c8}
.lead{font-size:1.12rem;color:var(--text)}
.center{text-align:center}
.section-head{max-width:760px;margin:0 auto 46px;text-align:center}
.muted{color:var(--muted)}
.small{font-size:.9rem}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:72px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-family:var(--font-h);font-weight:800;font-size:1.5rem;color:var(--heading);letter-spacing:-.02em}
.brand .word{color:inherit}.brand .word span{color:var(--primary)}
.brand svg{width:34px;height:34px;flex:none}
.nav-links{display:flex;align-items:center;gap:4px;list-style:none;margin:0;padding:0}
.nav-links a{display:block;padding:8px 11px;border-radius:10px;text-decoration:none;font-family:var(--font-h);font-weight:600;font-size:.98rem;color:var(--heading);white-space:nowrap}
.nav-links a:hover,.nav-links a[aria-current="page"]{background:var(--secondary);color:var(--primary-dark)}
.nav-cta{flex:none}
.menu-btn{display:none;background:none;border:1px solid var(--line);border-radius:10px;width:44px;height:44px;cursor:pointer;color:var(--heading)}
.menu-btn svg{width:22px;height:22px}
@media (max-width:1100px){
  .nav-links{position:fixed;inset:72px 0 auto 0;flex-direction:column;align-items:stretch;background:#fff;padding:12px 20px 22px;border-bottom:1px solid var(--line);box-shadow:var(--shadow);display:none;max-height:calc(100vh - 72px);overflow:auto}
  .nav-links.open{display:flex}
  .nav-links a{padding:13px 12px;font-size:1.05rem}
  .menu-btn{display:inline-grid;place-items:center}
  .nav-cta .btn{padding:11px 16px;font-size:.92rem}
}
@media (max-width:380px){.nav-cta{display:none}}

/* Buttons */
.btn{--lift:0px;display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:15px 28px;border-radius:999px;border:0;font-family:var(--font-h);font-weight:800;font-size:1.02rem;letter-spacing:.01em;text-decoration:none;cursor:pointer;transition:transform .25s ease,box-shadow .25s ease,background .25s ease;transform:translateY(var(--lift))}
.btn-primary{background:var(--btn);color:#fff;box-shadow:0 10px 22px rgba(44,116,104,.28),inset 0 -3px 0 rgba(0,0,0,.14)}
.btn-primary:hover{background:var(--btn-hover);color:#fff;--lift:-3px;box-shadow:0 16px 30px rgba(27,78,70,.32),inset 0 -3px 0 rgba(0,0,0,.14)}
.btn-primary:active{--lift:1px;box-shadow:0 6px 14px rgba(27,78,70,.25),inset 0 2px 0 rgba(0,0,0,.12)}
.btn-ghost{background:#fff;color:var(--primary-dark);border:2px solid var(--line)}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary-dark);--lift:-2px}
.btn-gold{background:var(--accent);color:#2b1d07;box-shadow:0 10px 22px rgba(217,154,61,.3)}
.btn-gold:hover{--lift:-3px;color:#2b1d07;background:#e5a84b}
.btn-lg{padding:18px 34px;font-size:1.1rem}
.btn-block{width:100%}
.btn svg{width:18px;height:18px}
.btn-row{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.aff-note{font-size:.82rem;color:var(--muted);margin-top:10px}
.deep .aff-note{color:#a7c7bf}

/* Hero */
.hero{padding:56px 0 76px;background:radial-gradient(1000px 500px at 85% 20%,#dcefe9 0%,transparent 60%),linear-gradient(180deg,#fff 0%,var(--bg) 100%)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero h1 em{font-style:normal;color:var(--primary)}
.facts{display:grid;grid-template-columns:1fr 1fr;gap:10px 22px;margin:22px 0;padding:18px 20px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.facts div{font-size:.96rem;line-height:1.45}
.facts b{display:block;font-family:var(--font-h);font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.ticks{list-style:none;padding:0;margin:0 0 26px}
.ticks li{position:relative;padding-left:32px;margin-bottom:9px}
.ticks li::before{content:"";position:absolute;left:0;top:5px;width:20px;height:20px;border-radius:50%;background:var(--secondary) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%232C7468' stroke-width='3.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12l5 5 9-10'/%3E%3C/svg%3E") center/12px no-repeat}
.deep .ticks li::before{background-color:rgba(255,255,255,.12)}
.stats{display:flex;gap:30px;margin-top:28px;flex-wrap:wrap}
.stat b{display:block;font-family:var(--font-h);font-weight:800;font-size:2rem;color:var(--heading);line-height:1}
.stat span{font-size:.9rem;color:var(--muted)}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.chip{display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border-radius:999px;background:#fff;border:1px solid var(--line);font-family:var(--font-h);font-weight:700;font-size:.85rem;color:var(--heading)}
.chip svg{width:16px;height:16px;color:var(--primary)}
.chip-note{font-size:.78rem;color:var(--muted);margin-top:8px}

/* 3D bottle stage */
.stage{position:relative;perspective:1200px;display:grid;place-items:center}
.stage::before{content:"";position:absolute;inset:8% 6% 4%;background:radial-gradient(circle at 50% 45%,rgba(44,116,104,.22),transparent 65%);filter:blur(10px);z-index:0}
.tilt{position:relative;z-index:1;transform-style:preserve-3d;transition:transform .35s ease-out;will-change:transform}
.float{animation:float 6s ease-in-out infinite}
@keyframes float{0%,100%{translate:0 0}50%{translate:0 -12px}}
.hero-photo{border-radius:28px;overflow:hidden;box-shadow:var(--shadow-lg);background:#e9eeec;max-width:500px}
.hero-photo img{width:100%;aspect-ratio:1/1;object-fit:cover}
.floor-shadow{position:relative;z-index:0;width:62%;height:26px;margin-top:-6px;background:radial-gradient(ellipse at center,rgba(18,48,43,.28),transparent 70%);filter:blur(4px);animation:shadow 6s ease-in-out infinite}
@keyframes shadow{0%,100%{transform:scaleX(1);opacity:.9}50%{transform:scaleX(.86);opacity:.6}}
.price-tag{position:absolute;z-index:2;right:2%;top:8%;background:#fff;border-radius:16px;padding:12px 16px;box-shadow:var(--shadow);font-family:var(--font-h);text-align:center;transform:translateZ(40px)}
.price-tag small{display:block;font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);font-weight:700}
.price-tag b{font-size:1.5rem;color:var(--primary-dark);font-weight:800}

/* Grid + cards */
.grid{display:grid;gap:24px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split.wide-left{grid-template-columns:1.2fr .8fr}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);transition:transform .35s cubic-bezier(.2,.7,.2,1),box-shadow .35s ease,border-color .35s ease;transform:perspective(900px) rotateX(0) translateY(0)}
.card.hover:hover,a.card:hover{transform:perspective(900px) rotateX(3deg) translateY(-6px);box-shadow:var(--shadow-lg);border-color:#c7ddd6}
a.card{display:block;text-decoration:none;color:inherit}
.card h3{margin-top:4px}
.card p:last-child{margin-bottom:0}
.icon{width:54px;height:54px;border-radius:16px;display:grid;place-items:center;background:var(--secondary);color:var(--primary);margin-bottom:16px}
.icon svg{width:28px;height:28px}
.num{display:inline-grid;place-items:center;width:40px;height:40px;border-radius:12px;background:var(--primary);color:#fff;font-family:var(--font-h);font-weight:800;margin-bottom:14px}
.tag{display:inline-block;font-family:var(--font-h);font-size:.72rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:#8a5a12;background:var(--accent-soft);padding:5px 10px;border-radius:999px;margin-bottom:10px}
.more{display:inline-flex;align-items:center;gap:6px;font-family:var(--font-h);font-weight:700;text-decoration:none;margin-top:8px}
.more::after{content:"→";transition:transform .2s}
.more:hover::after{transform:translateX(4px)}
.deep .card{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.12);box-shadow:none}
.deep .card p{color:#cfe2dc}

/* Spec table */
.spec{width:100%;border-collapse:collapse;background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--line)}
.spec th,.spec td{padding:14px 18px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top;font-size:.98rem}
.spec th{width:38%;font-family:var(--font-h);color:var(--heading);font-weight:700;background:#fbfdfc}
.spec tr:last-child th,.spec tr:last-child td{border-bottom:0}

/* Ingredient list */
.ing{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.ing .card{padding:22px}
.ing h4{margin-bottom:6px}
.ing p{font-size:.95rem;margin:0}
.ing .tag{margin-bottom:8px}

/* Timeline steps */
.steps{counter-reset:s;display:grid;gap:22px}
.step{display:grid;grid-template-columns:56px 1fr;gap:18px;align-items:start}
.step .num{margin:0;width:56px;height:56px;border-radius:16px;font-size:1.3rem}

/* Pricing */
.pricing{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch}
.plan{position:relative;display:flex;flex-direction:column;text-align:center;background:#fff;border:2px solid var(--line);border-radius:24px;padding:30px 24px 26px;box-shadow:var(--shadow);transition:transform .35s cubic-bezier(.2,.7,.2,1),box-shadow .35s}
.plan:hover{transform:perspective(900px) rotateX(2deg) translateY(-8px);box-shadow:var(--shadow-lg)}
.plan.best{border-color:var(--primary);box-shadow:0 26px 60px rgba(44,116,104,.22);transform:translateY(-10px)}
.plan.best:hover{transform:perspective(900px) rotateX(2deg) translateY(-16px)}
.ribbon{position:absolute;top:-15px;left:50%;transform:translateX(-50%);background:var(--primary);color:#fff;font-family:var(--font-h);font-weight:800;font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;padding:7px 16px;border-radius:999px;white-space:nowrap}
.plan h3{font-size:1.5rem;margin-bottom:2px}
.plan .supply{font-size:.92rem;color:var(--muted);margin-bottom:12px}
.plan .pimg{height:210px;display:grid;place-items:center;margin:4px 0 14px}
.plan .pimg img{max-height:210px;width:auto;object-fit:contain}
.plan .per{font-family:var(--font-h);font-weight:800;font-size:3rem;color:var(--heading);line-height:1}
.plan .per small{font-size:1rem;color:var(--muted);font-weight:700}
.plan .total{margin:10px 0 4px;font-family:var(--font-h);font-weight:700;color:var(--heading)}
.plan .list{font-size:.88rem;color:var(--muted)}
.plan .list s{color:var(--muted)}
.plan .save{display:inline-block;margin:8px auto 0;background:var(--accent-soft);color:#8a5a12;font-family:var(--font-h);font-weight:800;font-size:.85rem;padding:4px 12px;border-radius:999px}
.plan ul{list-style:none;padding:0;margin:16px 0 20px;text-align:left;font-size:.95rem}
.plan ul li{padding:7px 0 7px 28px;border-top:1px dashed var(--line);position:relative}
.plan ul li::before{content:"✓";position:absolute;left:4px;color:var(--ok);font-weight:800}
.plan .btn{margin-top:auto}
.plan .ship{font-size:.85rem;color:var(--muted);margin-top:10px}

/* Guarantee */
.guarantee{display:grid;grid-template-columns:220px 1fr;gap:40px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:28px;padding:40px;box-shadow:var(--shadow)}
.seal{width:200px;height:200px;border-radius:50%;display:grid;place-items:center;text-align:center;background:radial-gradient(circle at 35% 30%,#3b8f81,var(--primary-dark));color:#fff;font-family:var(--font-h);box-shadow:0 20px 40px rgba(27,78,70,.3),inset 0 0 0 8px rgba(255,255,255,.15),inset 0 0 0 11px rgba(217,154,61,.8)}
.seal b{display:block;font-size:4rem;line-height:.9;font-weight:800}
.seal span{font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;font-weight:800}

/* FAQ */
.faq{max-width:860px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:16px;margin-bottom:12px;overflow:hidden;transition:box-shadow .25s}
.faq-item.open{box-shadow:var(--shadow)}
.faq-q{width:100%;display:flex;justify-content:space-between;align-items:center;gap:16px;background:none;border:0;padding:20px 22px;text-align:left;font-family:var(--font-h);font-weight:700;font-size:1.08rem;color:var(--heading);cursor:pointer}
.faq-q::after{content:"+";flex:none;width:30px;height:30px;border-radius:50%;display:grid;place-items:center;background:var(--secondary);color:var(--primary);font-size:1.3rem;transition:transform .25s}
.faq-item.open .faq-q::after{transform:rotate(45deg)}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .3s ease}
.faq-item.open .faq-a{grid-template-rows:1fr}
.faq-a>div{overflow:hidden;padding:0 22px}
.faq-item.open .faq-a>div{padding-bottom:20px}
.faq-search{display:block;width:100%;max-width:860px;margin:0 auto 22px;padding:15px 20px;border:2px solid var(--line);border-radius:14px;font:inherit;background:#fff}
.faq-search:focus{outline:none;border-color:var(--primary)}
.faq-empty{display:none;text-align:center;color:var(--muted)}

/* Blog cards */
.post-card{display:flex;flex-direction:column;height:100%}
.post-art{height:150px;border-radius:14px;margin-bottom:18px;display:grid;place-items:center;color:#fff;background:linear-gradient(135deg,var(--primary),var(--primary-dark))}
.post-art svg{width:56px;height:56px;opacity:.9}
.post-art.gold{background:linear-gradient(135deg,#e2ad5a,#b97d27)}
.post-art.mint{background:linear-gradient(135deg,#6fb3a5,#2C7468)}
.post-art.slate{background:linear-gradient(135deg,#3f5f59,#12302B)}
.post-meta{font-size:.85rem;color:var(--muted);margin-bottom:6px}

/* Page hero (inner pages) */
.page-hero{padding:46px 0 60px;background:linear-gradient(180deg,#fff,var(--secondary))}
.crumbs{font-size:.9rem;color:var(--muted);margin-bottom:18px}
.crumbs a{color:var(--muted)}
.page-hero .lead{max-width:720px}
.badge-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.badge-row .chip b{display:inline-grid;place-items:center;width:24px;height:24px;border-radius:50%;background:var(--primary);color:#fff;font-size:.8rem}

/* Article */
.article{background:#fff;border:1px solid var(--line);border-radius:24px;padding:46px;box-shadow:var(--shadow)}
.article h2{font-size:clamp(1.4rem,2.4vw,1.85rem);margin-top:1.4em}
.article h2:first-child{margin-top:0}
.article ul li{margin-bottom:6px}
.callout{background:var(--secondary);border-left:4px solid var(--primary);border-radius:12px;padding:18px 22px;margin:22px 0}
.callout.warn{background:var(--accent-soft);border-color:var(--accent)}
.sources{font-size:.92rem}
.sources li{margin-bottom:4px}
.toc{position:sticky;top:96px}
.layout-side{display:grid;grid-template-columns:1fr 320px;gap:36px;align-items:start}
.side-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:24px;box-shadow:var(--shadow);text-align:center}
.side-card img{max-height:220px;width:auto;margin:0 auto 12px}

/* CTA band */
.cta-band{background:linear-gradient(135deg,var(--primary-dark),#0f342e);border-radius:32px;padding:56px;display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;color:#d7e8e3;overflow:hidden;position:relative}
.cta-band::after{content:"";position:absolute;right:-120px;top:-120px;width:380px;height:380px;border-radius:50%;background:radial-gradient(circle,rgba(158,214,200,.25),transparent 70%)}
.cta-band h2{color:#fff}
.cta-band .ticks li{color:#e6f2ef}
.cta-band img{position:relative;z-index:1;max-height:340px;width:auto;margin:0 auto;filter:drop-shadow(0 30px 40px rgba(0,0,0,.35))}
.cta-band .price-line{font-family:var(--font-h);color:#fff;font-size:1.15rem;margin:6px 0 18px}

/* Footer */
.site-footer{background:#0f2a26;color:#a9c2bc;padding:64px 0 28px;font-size:.95rem}
.site-footer a{color:#d7e8e3;text-decoration:none}
.site-footer a:hover{color:#fff;text-decoration:underline}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px}
.site-footer h4{color:#fff;font-size:.9rem;letter-spacing:.12em;text-transform:uppercase;margin-bottom:14px}
.site-footer ul{list-style:none;padding:0;margin:0}
.site-footer li{margin-bottom:9px}
.site-footer .brand{color:#fff}
.legal{border-top:1px solid rgba(255,255,255,.1);margin-top:42px;padding-top:24px;font-size:.84rem;line-height:1.6}
.legal p{margin-bottom:10px}

/* Reveal */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
.no-js .reveal{opacity:1;transform:none}

/* Responsive */
@media (max-width:980px){
  .hero-grid,.split,.split.wide-left,.layout-side,.cta-band{grid-template-columns:1fr}
  .hero-grid{gap:36px}
  .stage{order:-1}
  .g4{grid-template-columns:repeat(2,1fr)}
  .g3,.ing{grid-template-columns:repeat(2,1fr)}
  .pricing{grid-template-columns:1fr;max-width:460px;margin:0 auto}
  .plan.best{order:-1;transform:none}
  .foot-grid{grid-template-columns:1fr 1fr}
  .guarantee{grid-template-columns:1fr;text-align:center;justify-items:center}
  .toc{position:static}
  .cta-band{padding:40px 28px;text-align:center}
  .cta-band .ticks{text-align:left;max-width:420px;margin-left:auto;margin-right:auto}
  .cta-band .btn-row{justify-content:center}
}
@media (max-width:640px){
  body{font-size:16.5px}
  .section{padding:60px 0}
  .g2,.g3,.g4,.ing{grid-template-columns:1fr}
  .facts{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .article{padding:26px 20px}
  .btn-row .btn{width:100%}
  .stats{gap:22px}
  .spec th{width:42%}
  .spec th,.spec td{padding:12px 14px}
  .price-tag{right:0;top:2%}
  .guarantee{padding:30px 22px}
  .seal{width:170px;height:170px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}
:focus-visible{outline:3px solid var(--accent);outline-offset:3px;border-radius:6px}

/* grid children may shrink below their content width */
.split>*,.hero-grid>*,.layout-side>*,.cta-band>*,.grid>*{min-width:0}
.stage .tilt{max-width:100%}
@media (max-width:420px){
  .nav{gap:10px}
  .brand{font-size:1.25rem;gap:8px}
  .brand svg{width:30px;height:30px}
  .nav-cta .btn{padding:10px 14px;font-size:.88rem}
  .menu-btn{width:40px;height:40px}
}