*{
    margin:0;
    padding:0;
    box-sizing:border-box;
}

html{
    scroll-behavior:smooth;
}

body{

    font-family:Inter,sans-serif;

    background:#ffffff;

    color:#111;

}

body::before{

content:"";

position:fixed;

width:900px;

height:900px;

background:radial-gradient(circle,#f4f4f4 0%,transparent 70%);

top:-350px;

right:-250px;

z-index:-1;

}

img{

    max-width:100%;

    display:block;

}

header{

    width:100%;

    height:90px;

    display:flex;

    justify-content:space-between;

    align-items:center;

    padding:0 8%;

    position:fixed;

    top:0;

    left:0;

    background:rgba(255,255,255,.95);

    backdrop-filter:blur(12px);

    z-index:999;

}

.logo{

font-size:42px;

font-weight:900;

letter-spacing:-2px;

}

nav{

    display:flex;

    gap:40px;

}

nav a{

text-decoration:none;

color:#666;

font-weight:500;

font-size:15px;

margin-left:38px;

transition:.25s;

}

nav a:hover{

    color:#111;

}

.hero{
    min-height:100vh;
    display:flex;
    align-items:flex-start;
    justify-content:space-between;
    gap:80px;
    padding:180px 8% 130px;
    position:relative;
}

.hero-left{

    flex:1;

    max-width:600px;

}

.eyebrow{

    display:inline-block;

    margin-bottom:20px;

    color:#7d7d7d;

    letter-spacing:3px;

    font-size:13px;

    font-weight:700;

}

h1{

    font-size:112px;

    line-height:.95;

    letter-spacing:-4px;

    margin-bottom:30px;

}

.hero p{

    font-size:22px;

    color:#666;

    line-height:1.8;

    margin-bottom:45px;

}

.button{

    display:inline-flex;

    align-items:center;

    justify-content:center;

    padding:20px 42px;

    letter-spacing:.3px;

    border-radius:999px;

    background:#111;

    color:white;

    text-decoration:none;

    font-weight:600;

    transition:.25s;

}

.button:hover{

    transform:translateY(-2px);

}

.hero-right{

    flex:1;

    display:flex;

    justify-content:center;

    align-items:center;

}

.hero-right img{

width:100%;

max-width:650px;

filter:drop-shadow(0 40px 70px rgba(0,0,0,.12));

transition:.4s;

}

.hero-right img:hover{

transform:translateY(-8px);

}

/* PRODUCT SECTION */

.product-section{
    min-height:auto;
    padding:120px 8% 60px;
    background:linear-gradient(
    180deg,
  #fbfbfa 0%,
  #f5f5f3 100%
);
    position:relative;
    overflow:hidden;
}

.product-heading{
    max-width:700px;
    margin-bottom:80px;
}

.section-label{
    display:inline-block;
    margin-bottom:22px;
    color:#777;
    font-size:12px;
    font-weight:700;
    letter-spacing:3px;
}

.product-heading h2{
    margin:0 0 28px;
    font-size:96px;
    line-height:.92;
    letter-spacing:-5px;
}

.product-heading p{
    max-width:540px;
    color:#696969;
    font-size:19px;
    line-height:1.7;
}

.product-showcase{
    display:grid;
    grid-template-columns:minmax(0,1.15fr) minmax(400px,.85fr);
    align-items:center;
    gap:100px;
}

.product-visual{
    min-height:560px;
    position:relative;
    display:flex;
    align-items:center;
    justify-content:center;
}

.product-glow{

    position:absolute;
    width:620px;
    height:620px;

    border-radius:50%;

    opacity:.9;

    filter:blur(65px);

    transition:
    background .45s ease,
    transform .45s ease,
    opacity .45s ease;

}

.product-visual img{
    position:relative;
    z-index:2;
    width:100%;
    max-width:570px;
    object-fit:contain;
    filter:drop-shadow(0 45px 55px rgba(0,0,0,.14));
    transition:
        opacity .25s ease,
        transform .4s ease;
}

.product-visual img.changing{
    opacity:0;
    transform:translateY(12px) scale(.98);
}

.product-information{
    max-width:530px;
}

.product-type{
    display:block;
    margin-bottom:15px;
    color:#858585;
    font-size:13px;
    font-weight:600;
    letter-spacing:2px;
    text-transform:uppercase;
}

.product-information h3{
    margin:0 0 20px;
    font-size:62px;
    line-height:1;
    letter-spacing:-3px;

    transition:.35s ease;
}

.flavour-description{
    transition:.35s ease;
    min-height:66px;
    margin-bottom:38px;
    color:#686868;
    font-size:18px;
    line-height:1.7;
}

.flavour-selector{
    display:grid;
    grid-template-columns:repeat(2,1fr);
    gap:12px;
    margin-bottom:46px;
}

.flavour-button{
    --accent:#111;
    min-height:58px;
    padding:14px 18px;
    border:1px solid #dedede;
    border-radius:14px;
    background:rgba(255,255,255,.72);
    color:#555;
    font-family:inherit;
    font-size:14px;
    font-weight:600;
    text-align:left;
    cursor:pointer;
    transition:
        border-color .2s ease,
        background .2s ease,
        transform .2s ease,
        color .2s ease;
}

.flavour-button:hover{
    transform:translateY(-2px);
    border-color:#bababa;
    background:white;
}

.flavour-button.active{
    color:white;
    border-color:var(--accent);
    background:var(--accent);
    transform:translateY(-2px);
    box-shadow:0 12px 28px rgba(0,0,0,.12);
}

.flavour-dot{
    display:inline-block;
    width:12px;
    height:12px;
    margin-right:10px;
    border-radius:50%;
    vertical-align:-1px;
    box-shadow:inset 0 0 0 1px rgba(0,0,0,.06);
}

.citrus-dot{
    background:#59c844;
}

.berry-dot{
    background:#5571ff;
}

.peach-dot{
    background:#ffd89a;
}

.cherry-dot{
    background:#ff5a5a;
}

.product-facts{
    display:grid;
    grid-template-columns:repeat(4,1fr);
    margin-bottom:42px;
    padding:26px 0;
    border-top:1px solid #dedede;
    border-bottom:1px solid #dedede;
}

.product-facts div{
    display:flex;
    flex-direction:column;
    gap:5px;
}

.product-facts strong{
    font-size:17px;
    letter-spacing:-.5px;
}

.product-facts span{
    color:#888;
    font-size:10px;
    font-weight:600;
    letter-spacing:1px;
    text-transform:uppercase;
}

.product-link{
    display:inline-flex;
    align-items:center;
    gap:14px;
    color:#111;
    font-size:15px;
    font-weight:700;
    text-decoration:none;
}

.product-link span{
    transition:transform .2s ease;
}

.product-link:hover span{
    transform:translateX(5px);
}

@media (max-width:1000px){

    nav{
        display:none;
    }

    .hero{
        flex-direction:column;
        text-align:center;
        padding-top:140px;
        padding-bottom:220px;
    }

    .hero-strip{
        grid-template-columns:repeat(2,1fr);
        gap:28px;
        text-align:center;
    }

    h1{
        font-size:64px;
    }

    .hero p{
        font-size:19px;
    }

    .hero-right{
        margin-top:50px;
    }

    .product-section{
        padding:100px 7%;
    }

    .product-heading{
        margin-bottom:55px;
        text-align:center;
    }

    .product-heading h2{
        font-size:62px;
        letter-spacing:-3px;
    }

    .product-heading p{
        margin-inline:auto;
        font-size:17px;
    }

    .product-showcase{
        grid-template-columns:1fr;
        gap:35px;
    }

    .product-visual{
        min-height:480px;
    }

    .product-glow{
        width:430px;
        height:430px;
    }

    .product-visual img{
        max-width:430px;
    }

    .product-information{
        max-width:650px;
        margin:auto;
        text-align:center;
    }

    .product-information h3{
        font-size:48px;
    }

    .flavour-selector{
        max-width:550px;
        margin:0 auto 40px;
    }

    .product-facts{
        max-width:600px;
        margin:0 auto 40px;
    }

    .product-facts div{
        align-items:center;
    }

}

.mineral-line{
    display:flex;
    gap:22px;
    flex-wrap:wrap;
    margin-bottom:32px;
    color:#777;
    font-size:13px;
    font-weight:500;
}

.mineral-line span{
    position:relative;
}

.mineral-line span:not(:last-child)::after{
    content:"•";
    position:absolute;
    right:-14px;
    color:#b5b5b5;
}

.hero-strip{

    position:absolute;

    bottom:0;

    left:0;

    width:100%;

    display:grid;

    grid-template-columns:repeat(4,1fr);

    border-top:1px solid #ececec;

    background:white;

}
.hero-strip div{

    padding:32px 40px;

    border-right:1px solid #ececec;

    display:flex;

    flex-direction:column;

    justify-content:center;

}

.hero-strip div:last-child{

    border-right:none;

}

.hero-strip strong{
    font-size:18px;
    font-weight:700;
    letter-spacing:-0.5px;
}

.hero-strip span{
    font-size:12px;
    color:#888;
    text-transform:uppercase;
    letter-spacing:1.4px;
}

@keyframes float{

0%{
transform:translateY(0px);
}

50%{
transform:translateY(-10px);
}

100%{
transform:translateY(0px);
}

}

/* ================================================= */
/* SCIENCE */
/* ================================================= */

.science-section{
    padding:20px 8% 180px;
}

.science-heading{
    max-width:760px;
    margin:0 auto 110px;
    text-align:center;
}

.science-heading h2{
    font-size:92px;
    line-height:.9;
    letter-spacing:-5px;
    margin:22px 0 30px;
}

.science-heading p{
    max-width:620px;
    margin:auto;
    font-size:20px;
    line-height:1.8;
    color:#666;
}

.science-grid{
    display:grid;
    grid-template-columns:repeat(2,1fr);
    gap:34px;
}

.science-card{

    position:relative;

    padding:75px;

    background:#fff;

    border:none;

    border-radius:34px;

    transition:
        transform .35s ease,
        box-shadow .35s ease,
        border-color .35s ease;

}

.science-card:hover{

    transform:translateY(-8px);

    border-color:#dddddd;

    box-shadow:
    0 12px 30px rgba(0,0,0,.04),
    0 40px 80px rgba(0,0,0,.05);

}

.science-accent{

    width:62px;

    height:4px;

    border-radius:999px;

    margin-bottom:34px;

}

.sodium .science-accent{
    background:#59c844;
}

.chloride .science-accent{
    background:#5e7bff;
}

.potassium .science-accent{
    background:#f3b648;
}

.magnesium .science-accent{
    background:#9c7cff;
}

.science-number{

    font-size:72px;

    font-weight:900;

    line-height:1;

    letter-spacing:-4px;

    margin-bottom:22px;

}

.science-number span{

    font-size:.55em;

    margin-left:3px;

}

.science-card h3{

    font-size:30px;

    font-weight:700;

    margin-bottom:22px;

}

.science-card p{

    font-size:18px;

    line-height:1.8;

    color:#666;

}

/* Responsive */

@media (max-width:900px){

    .science-grid{
        grid-template-columns:1fr;
    }

    .science-heading h2{
        font-size:64px;
    }

    .science-card{
        padding:50px;
    }

}

/* ======================================== */
/* WHY IONYX */
/* ======================================== */

.why-section{

    padding:180px 8%;

    background:white;

}

.why-heading{

    max-width:760px;

    text-align:center;

    margin:0 auto 90px;

}

.why-heading h2{

    font-size:92px;

    line-height:.9;

    letter-spacing:-5px;

    margin:20px 0 30px;

}

.why-heading p{

    max-width:620px;

    margin:auto;

    font-size:20px;

    color:#666;

    line-height:1.8;

}

.why-grid{

    display:grid;

    grid-template-columns:repeat(2,1fr);

    gap:26px;

}

.why-card{

    background:white;

    border-radius:28px;

    padding:70px;

    border:1px solid #ececec;

    transition:.35s;

}

.why-card:hover{

    transform:translateY(-8px);

    box-shadow:0 30px 80px rgba(0,0,0,.08);

}

.why-card h3{

    font-size:88px;

    font-weight:900;

    letter-spacing:-4px;

    margin-bottom:18px;

}

.why-card h4{

    font-size:26px;

    margin-bottom:20px;

}

.why-card p{

    color:#666;

    line-height:1.8;

}

/* ======================================== */
/* COMPARISON */
/* ======================================== */

.comparison-section{

    padding:180px 8%;

    background:white;

}

.comparison-heading{

    text-align:center;

    margin-bottom:80px;

}

.comparison-heading h2{

    font-size:88px;

    letter-spacing:-5px;

}

.comparison-table{

max-width:1100px;

margin:auto;

border-radius:32px;

overflow:hidden;

box-shadow:
0 20px 60px rgba(0,0,0,.05);

}

.comparison-row{

display:grid;

grid-template-columns:2fr 1fr 1fr;

}

.comparison-row>div{

padding:36px 42px;

border-bottom:1px solid #ececec;

display:flex;

align-items:center;

}

.comparison-row:last-child>div{

border-bottom:none;

}

.comparison-header{

background:#fafafa;

font-weight:700;

}

.ionyx-column{

background:#f7f9f7;

font-weight:700;

}

.fade-up{

    opacity:0;

    transform:translateY(40px);

    transition:
        opacity .8s ease,
        transform .8s ease;

}

.fade-up.visible{

    opacity:1;

    transform:translateY(0);

}

/* ========================================= */
/* PHILOSOPHY */
/* ========================================= */

.philosophy-section{

    padding:220px 8%;

    background:white;

}

.philosophy-wrapper{

    max-width:1300px;

    margin:auto;

}

.philosophy-wrapper h2{

    margin:24px 0 120px;

    font-size:110px;

    line-height:.9;

    letter-spacing:-6px;

    max-width:900px;

}

.belief-grid{

    display:grid;

    grid-template-columns:repeat(2,1fr);

    gap:30px;

    margin-bottom:180px;

}

.belief-item{

    padding:55px;

    border-top:1px solid #e9e9e9;

}

.belief-item span{

    display:block;

    margin-bottom:25px;

    color:#999;

    letter-spacing:2px;

    font-size:12px;

    font-weight:700;

}

.belief-item h3{

    font-size:36px;

    line-height:1.3;

    font-weight:600;

}

.statement{

    text-align:center;

    padding:180px 0;

}

.statement p{

    font-size:36px;

    color:#666;

    margin-bottom:26px;

    letter-spacing:-1px;

}

.statement h1{

    margin-top:90px;

    font-size:140px;

    line-height:.9;

    letter-spacing:-8px;

}

/* ========================================= */
/* REVEAL ANIMATION */
/* ========================================= */

.reveal{

    opacity:0;

    transform:translateY(80px);

    transition:
        opacity 1s cubic-bezier(.22,1,.36,1),
        transform 1s cubic-bezier(.22,1,.36,1);

}

.reveal.visible{

    opacity:1;

    transform:translateY(0);

}

/* ========================================= */
/* CONTACT */
/* ========================================= */

.contact-section{

    padding:220px 8% 120px;

    background:#fafafa;

}

.contact-container{

    max-width:1100px;

    margin:auto;

    text-align:center;

}

.contact-container h2{

    margin:24px 0 28px;

    font-size:96px;

    line-height:.9;

    letter-spacing:-5px;

}

.contact-description{

    max-width:520px;

    margin:0 auto 70px;

    color:#666;

    font-size:21px;

    line-height:1.8;

}

.contact-email{

    display:inline-block;

    font-size:54px;

    font-weight:700;

    letter-spacing:-2px;

    color:#111;

    text-decoration:none;

    transition:.35s;

}

.contact-email:hover{

    color:#59c844;

}

.contact-divider{

    width:120px;

    height:1px;

    background:#dddddd;

    margin:90px auto;

}

.social-links{

    display:flex;

    justify-content:center;

    gap:60px;

    margin-bottom:140px;

}

.social-links a{

    text-decoration:none;

    color:#666;

    font-size:18px;

    transition:.3s;

}

.social-links a:hover{

    color:#111;

}

.footer-bottom{

    display:flex;

    justify-content:space-between;

    align-items:center;

    padding-top:50px;

    border-top:1px solid #e8e8e8;

    color:#888;

    font-size:14px;

}

@media(max-width:900px){

.contact-container h2{

font-size:64px;

}

.contact-email{

font-size:34px;

word-break:break-word;

}

.social-links{

flex-direction:column;

gap:24px;

}

.footer-bottom{

flex-direction:column;

gap:18px;

}

}