/* ===================================================================
   SPRING PREMIUM WATER — design tokens
   Display: Helvetica Neue / Arial Black stack (bold, tight)
   Body:    Inter
   =================================================================== */
:root{
  --porcelain:#F5FAFB;
  --mist:#E7F3F5;
  --ink:#0A2233;
  --ink-soft:#3A5568;
  --abyss:#071A2B;
  --abyss-2:#0E2E4A;
  --abyss-3:#123C5E;
  --aqua:#22E3C9;
  --leaf:#6EEB8F;
  --deep-blue:#0B4DA6;
  --deep-blue-2:#083978;

  --display: "Helvetica Neue", Helvetica, Arial, sans-serif;
  --body: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;

  --ease: cubic-bezier(.16,.84,.44,1);
  --container: 1180px;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important;}
}
body{
  font-family:var(--body);
  color:var(--ink);
  background:var(--porcelain);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{list-style:none;}
button{font-family:inherit;cursor:pointer;}
input,select{font-family:inherit;}

.section-inner{max-width:var(--container);margin:0 auto;padding:0 32px;}

/* grain overlay for texture */
.grain{
  position:fixed;inset:0;pointer-events:none;z-index:9999;
  opacity:.035;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- typography helpers ---------- */
.eyebrow{
  display:inline-block;font-family:var(--display);font-weight:800;
  font-size:13px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--deep-blue);margin-bottom:14px;
  padding:6px 14px;border:1px solid rgba(11,77,166,.25);border-radius:100px;
}
.eyebrow--light{color:var(--aqua);border-color:rgba(34,227,201,.35);}
h1,h2,h3{font-family:var(--display);font-weight:800;letter-spacing:-.02em;line-height:1.05;color:var(--ink);}
h2{font-size:clamp(32px,4.2vw,52px);margin-bottom:18px;}
h3{font-size:20px;margin-bottom:8px;}
.lead{font-size:18px;line-height:1.6;color:var(--ink-soft);max-width:520px;}
.lead--light{color:#B7D6E0;max-width:640px;margin:0 auto;text-align:center;}
.text-gradient{background:linear-gradient(90deg,var(--aqua),var(--leaf));-webkit-background-clip:text;background-clip:text;color:transparent;}
.text-gradient-light{background:linear-gradient(90deg,var(--aqua),var(--leaf));-webkit-background-clip:text;background-clip:text;color:transparent;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--display);font-weight:800;font-size:15px;letter-spacing:.01em;
  padding:16px 30px;border-radius:100px;border:none;
  transition:transform .35s var(--ease), box-shadow .35s var(--ease), background .35s;
  cursor:pointer;
}
.btn--primary{
  background:linear-gradient(90deg,var(--deep-blue),var(--deep-blue-2));
  color:#fff;box-shadow:0 10px 30px -8px rgba(11,77,166,.55);
}
.btn--primary:hover{transform:translateY(-3px);box-shadow:0 16px 36px -8px rgba(11,77,166,.65);}
.btn--ghost{background:transparent;color:var(--ink);border:1.5px solid rgba(10,34,51,.18);}
.btn--ghost:hover{border-color:var(--deep-blue);transform:translateY(-3px);}
.btn--ghost-light{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.3);}
.btn--ghost-light:hover{border-color:#fff;}
.btn--light{background:rgba(255,255,255,.08);color:#fff;border:1.5px solid rgba(255,255,255,.25);margin-top:36px;}
.btn--light:hover{background:rgba(255,255,255,.16);transform:translateY(-3px);}
.btn--full{width:100%;justify-content:center;}
.arrow{display:inline-block;transition:transform .3s var(--ease);}
.btn--ghost:hover .arrow{transform:translateY(3px);}

/* ---------- scroll reveal ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .8s var(--ease), transform .8s var(--ease);}
.reveal.is-visible{opacity:1;transform:translateY(0);}
.reveal--1.is-visible{transition-delay:.05s;}
.reveal--2.is-visible{transition-delay:.15s;}
.reveal--3.is-visible{transition-delay:.25s;}
.reveal--4.is-visible{transition-delay:.35s;}
.reveal--5.is-visible{transition-delay:.45s;}

/* ===================================================================
   NAV
   =================================================================== */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  transition:background .4s var(--ease), box-shadow .4s var(--ease), padding .4s var(--ease);
  padding:22px 0;
}
.nav.is-scrolled{
  background:rgba(7,26,43,.72);backdrop-filter:blur(16px) saturate(140%);
  box-shadow:0 8px 30px -12px rgba(0,0,0,.4);padding:12px 0;
}
.nav__inner{
  max-width:var(--container);margin:0 auto;padding:0 32px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.nav__logo{height:26px;width:auto;}
.nav__links{display:flex;gap:32px;}
.nav__links a{
  font-size:14.5px;font-weight:600;color:#EAF3F6;opacity:.85;
  position:relative;transition:opacity .3s;
}
.nav__links a::after{
  content:"";position:absolute;left:0;bottom:-6px;width:0;height:1.5px;
  background:linear-gradient(90deg,var(--aqua),var(--leaf));transition:width .3s var(--ease);
}
.nav__links a:hover{opacity:1;}
.nav__links a:hover::after{width:100%;}
.nav__cta{
  font-size:13.5px;font-weight:800;font-family:var(--display);
  color:var(--abyss);background:linear-gradient(90deg,var(--aqua),var(--leaf));
  padding:11px 22px;border-radius:100px;letter-spacing:.02em;
  transition:transform .3s var(--ease), box-shadow .3s var(--ease);
}
.nav__cta:hover{transform:translateY(-2px);box-shadow:0 10px 24px -8px rgba(34,227,201,.5);}
.nav__burger{display:none;flex-direction:column;gap:5px;background:none;border:none;padding:6px;z-index:1100;}
.nav__burger span{width:22px;height:2px;background:#fff;border-radius:2px;transition:.3s;}
.nav__mobile{
  display:none;position:fixed;inset:0;top:0;background:var(--abyss);
  flex-direction:column;align-items:center;justify-content:center;gap:28px;
  opacity:0;pointer-events:none;transition:opacity .35s;z-index:1050;
}
.nav__mobile.is-open{opacity:1;pointer-events:auto;}
.nav__mobile a{font-size:20px;font-weight:700;color:#fff;}
.nav__mobile-cta{
  margin-top:10px;background:linear-gradient(90deg,var(--aqua),var(--leaf));
  color:var(--abyss);padding:14px 30px;border-radius:100px;font-family:var(--display);font-weight:800;
}

/* ===================================================================
   1. HERO — full-bleed brand photo, text flanking left/right
   =================================================================== */
.hero{
  position:relative;min-height:100vh;overflow:hidden;
  display:flex;flex-direction:column;justify-content:center;
}
.hero__bg{position:absolute;inset:0;z-index:0;}
.hero__bg-img{width:100%;height:100%;object-fit:cover;object-position:center 30%;transform:scale(1.02);}
.hero__overlay{
  position:absolute;inset:0;
  background:
    linear-gradient(180deg, rgba(3,10,18,.55) 0%, rgba(3,10,18,.1) 22%, rgba(3,10,18,.15) 60%, rgba(3,10,18,.7) 100%),
    linear-gradient(90deg, rgba(3,10,18,.65) 0%, rgba(3,10,18,0) 26%, rgba(3,10,18,0) 74%, rgba(3,10,18,.65) 100%);
}
.hero__ripples{position:absolute;bottom:0;left:0;width:100%;height:30%;opacity:.55;z-index:1;}
.ripple{position:absolute;bottom:0;left:0;width:100%;height:100%;}
.ripple path{fill:rgba(34,227,201,.14);}
.ripple--2 path{fill:rgba(110,235,143,.10);}
.ripple--1{animation:driftX 22s ease-in-out infinite;}
.ripple--2{animation:driftX 28s ease-in-out infinite reverse;}
@keyframes driftX{
  0%,100%{transform:translateX(0);}
  50%{transform:translateX(-4%);}
}
.bubbles{position:absolute;inset:0;z-index:1;}
.bubble{
  position:absolute;bottom:-40px;border-radius:50%;
  background:radial-gradient(circle at 35% 30%, rgba(255,255,255,.55), rgba(255,255,255,.04));
  animation:rise linear infinite;
}
@keyframes rise{
  0%{transform:translateY(0) translateX(0);opacity:0;}
  10%{opacity:.7;}
  90%{opacity:.4;}
  100%{transform:translateY(-115vh) translateX(var(--drift,20px));opacity:0;}
}
.hero__spacer{height:96px;}

.hero__flanks{
  position:relative;z-index:2;flex:1;
  display:flex;align-items:center;justify-content:space-between;
  padding:0 6vw 90px;gap:24px;
}
.hero__flank{max-width:340px;}
.hero__flank--left{text-align:left;}
.hero__flank--right{text-align:right;}
.eyebrow--onphoto{color:#fff;border-color:rgba(255,255,255,.4);background:rgba(255,255,255,.06);backdrop-filter:blur(6px);}
.hero__title{
  font-size:clamp(30px,4.4vw,50px);color:#fff;text-transform:uppercase;line-height:1.08;margin-top:6px;
}
.hero__title--accent{
  background:linear-gradient(90deg,var(--aqua),var(--leaf));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero__sub{
  color:#EAF3F6;font-size:17px;line-height:1.6;text-shadow:0 2px 16px rgba(0,0,0,.4);
}
.hero__sub em{font-style:normal;color:var(--aqua);}
.hero__actions{display:flex;gap:14px;justify-content:flex-end;margin-top:26px;flex-wrap:wrap;}
.hero .btn--ghost{color:#fff;border-color:rgba(255,255,255,.35);}
.hero .btn--ghost:hover{border-color:var(--aqua);}

/* ===================================================================
   BANNER — brand photo motif carried down the page
   =================================================================== */
.banner{position:relative;height:280px;overflow:hidden;display:flex;align-items:center;justify-content:center;}
.banner__img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center 35%;filter:blur(1px) saturate(1.05);transform:scale(1.06);}
.banner__overlay{position:absolute;inset:0;background:linear-gradient(180deg, rgba(4,12,22,.72), rgba(4,12,22,.55) 50%, rgba(4,12,22,.8));}
.banner__ripples{position:absolute;bottom:0;left:0;width:100%;height:60%;opacity:.4;}
.banner__ripples .ripple path{fill:rgba(34,227,201,.16);}
.banner__ripples .ripple--1{animation:driftX 18s ease-in-out infinite;}
.banner__text{
  position:relative;z-index:2;color:#fff;font-family:var(--display);font-weight:800;
  font-size:clamp(20px,2.6vw,32px);text-align:center;letter-spacing:-.01em;max-width:800px;padding:0 24px;
}

.scroll-cue{
  position:absolute;bottom:28px;left:50%;transform:translateX(-50%);
  display:flex;flex-direction:column;align-items:center;gap:8px;z-index:2;
}
.scroll-cue span{
  width:1.5px;height:36px;background:linear-gradient(to bottom, rgba(255,255,255,.6), transparent);
  position:relative;overflow:hidden;
}
.scroll-cue span::after{
  content:"";position:absolute;top:-100%;left:0;width:100%;height:100%;
  background:linear-gradient(to bottom, transparent, var(--aqua));
  animation:cueDrop 2s ease-in-out infinite;
}
@keyframes cueDrop{
  0%{top:-100%;}
  100%{top:100%;}
}
.scroll-cue p{font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:rgba(255,255,255,.5);}

/* ===================================================================
   wave dividers
   =================================================================== */
.wave-divider{width:100%;line-height:0;transform:translateY(1px);}
.wave-divider svg{width:100%;height:70px;display:block;}
.wave-divider--top svg path{fill:var(--porcelain);}
.wave-divider--light svg path{fill:var(--mist);}
.about{background:var(--abyss);padding-bottom:110px;}
.about .wave-divider--top{transform:translateY(1px) scaleY(-1);margin-top:0;}
.about .wave-divider--top svg path{fill:var(--abyss);}

/* ===================================================================
   2. ABOUT
   =================================================================== */
.about{position:relative;}
.about__grid{
  display:grid;grid-template-columns:.85fr 1.15fr;gap:80px;align-items:center;
  padding-top:40px;
}
.about__media{display:flex;justify-content:center;}
.about__frame{position:relative;width:280px;height:380px;display:flex;align-items:center;justify-content:center;}
.about__bottle{width:190px;filter:drop-shadow(0 20px 30px rgba(0,0,0,.5));position:relative;z-index:2;}
.about__ring{position:absolute;border-radius:50%;border:1px solid rgba(34,227,201,.25);}
.about__ring--1{width:280px;height:280px;animation:spin 30s linear infinite;}
.about__ring--2{width:340px;height:340px;border-color:rgba(110,235,143,.15);animation:spin 40s linear infinite reverse;}
@keyframes spin{to{transform:rotate(360deg);}}

.about__text .eyebrow{color:var(--aqua);border-color:rgba(34,227,201,.3);}
.about__text h2{color:#fff;}
.about__text .lead{color:#B7D6E0;max-width:none;}

.stat-row{display:flex;gap:40px;margin-top:44px;flex-wrap:wrap;}
.stat{display:flex;flex-direction:column;}
.stat__num{font-family:var(--display);font-weight:800;font-size:40px;color:var(--aqua);}
.stat__label{font-size:13px;color:#8FB4C2;margin-top:4px;max-width:120px;}

/* ===================================================================
   3. PRODUCT
   =================================================================== */
.product{
  background:linear-gradient(180deg, var(--abyss) 0%, var(--abyss-2) 100%);
  padding:100px 0 120px;color:#fff;
}
.product__title{color:#fff;text-align:center;max-width:640px;margin:0 auto 60px;}
.product__wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:70px;align-items:center;}
.product__visual{position:relative;display:flex;justify-content:center;align-items:center;min-height:420px;}
.product__glow{
  position:absolute;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle, rgba(34,227,201,.22), rgba(34,227,201,0) 70%);
}
.product__bottle{width:230px;position:relative;z-index:2;filter:drop-shadow(0 26px 30px rgba(0,0,0,.5));}
.product__badge{
  position:absolute;bottom:26px;right:calc(50% - 150px);z-index:3;
  background:linear-gradient(90deg,var(--aqua),var(--leaf));
  color:var(--abyss);font-family:var(--display);font-weight:800;font-size:15px;
  padding:10px 18px;border-radius:100px;box-shadow:0 12px 28px -8px rgba(34,227,201,.5);
}
.product__specs{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.spec-card{
  background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);
  border-radius:20px;padding:26px 22px;transition:transform .35s var(--ease), background .35s;
}
.spec-card:hover{transform:translateY(-6px);background:rgba(255,255,255,.07);}
.spec-card__icon{width:40px;height:40px;color:var(--aqua);margin-bottom:14px;}
.spec-card__icon svg{width:100%;height:100%;}
.spec-card h3{color:#fff;}
.spec-card p{font-size:14px;color:#9AB9C6;line-height:1.55;}

/* ===================================================================
   4. REVIEWS
   =================================================================== */
.reviews{background:var(--mist);padding-bottom:110px;position:relative;}
.reviews .section-inner{text-align:center;padding-top:20px;}
.reviews h2{margin-bottom:56px;}
.reviews__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;text-align:left;}
.review-card{
  background:#fff;border-radius:22px;padding:32px;
  box-shadow:0 20px 40px -20px rgba(10,34,51,.15);
  transition:transform .35s var(--ease), box-shadow .35s var(--ease);
}
.review-card:hover{transform:translateY(-8px);box-shadow:0 26px 50px -18px rgba(10,34,51,.22);}
.review-card__stars{color:#F5B942;font-size:15px;letter-spacing:2px;margin-bottom:16px;}
.review-card__text{font-size:15px;line-height:1.65;color:var(--ink-soft);margin-bottom:26px;}
.review-card__author{display:flex;align-items:center;gap:12px;}
.avatar{
  width:44px;height:44px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  font-family:var(--display);font-weight:800;font-size:14px;color:#fff;
  background:linear-gradient(135deg,var(--a1),var(--a2));flex-shrink:0;
}
.review-card__author strong{display:block;font-size:14.5px;}
.review-card__author span{font-size:12.5px;color:var(--ink-soft);}

/* ===================================================================
   6. ORDER
   =================================================================== */
.order{background:var(--porcelain);padding-bottom:120px;position:relative;}
.order__grid{
  display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center;padding-top:20px;
  position:relative;
}
.order__info h2{margin-bottom:20px;}
.order__points{margin-top:28px;display:flex;flex-direction:column;gap:12px;}
.order__points li{
  position:relative;padding-left:28px;color:var(--ink-soft);font-size:15px;
}
.order__points li::before{
  content:"";position:absolute;left:0;top:6px;width:14px;height:14px;border-radius:50%;
  background:linear-gradient(135deg,var(--aqua),var(--leaf));
}

.order__form{
  grid-column:2;grid-row:1;
  background:#fff;border-radius:26px;padding:40px;
  box-shadow:0 30px 60px -24px rgba(10,34,51,.2);
  display:flex;flex-direction:column;gap:20px;
  transition:opacity .4s, transform .4s;
}
.field{display:flex;flex-direction:column;gap:8px;}
.field label{font-size:13px;font-weight:700;color:var(--ink);}
.field input,.field select{
  border:1.5px solid #E1EAEE;border-radius:12px;padding:14px 16px;font-size:15px;
  color:var(--ink);background:var(--porcelain);transition:border-color .3s, box-shadow .3s;
}
.field input:focus,.field select:focus{
  outline:none;border-color:var(--aqua);box-shadow:0 0 0 4px rgba(34,227,201,.15);
}
.field input.invalid{border-color:#E0554A;}
.field__error{font-size:12px;color:#E0554A;min-height:14px;}
.btn__spinner{
  width:16px;height:16px;border-radius:50%;border:2px solid rgba(255,255,255,.4);
  border-top-color:#fff;display:none;animation:spin .7s linear infinite;
}
.order__form.is-loading .btn__label{opacity:.4;}
.order__form.is-loading .btn__spinner{display:inline-block;}
.order__note{font-size:12px;color:var(--ink-soft);text-align:center;}

.order__success{
  grid-column:2;grid-row:1;
  display:none;background:#fff;border-radius:26px;padding:56px 40px;text-align:center;
  box-shadow:0 30px 60px -24px rgba(10,34,51,.2);
}
.order__success.is-visible{display:block;animation:popIn .5s var(--ease);}
@keyframes popIn{from{opacity:0;transform:scale(.92);}to{opacity:1;transform:scale(1);}}
.order__success-icon{width:64px;height:64px;margin:0 auto 20px;color:var(--aqua);}
.order__success-icon svg{width:100%;height:100%;}
.order__success-icon circle{stroke:var(--aqua);stroke-width:2.5;stroke-dasharray:151;stroke-dashoffset:151;animation:drawCircle .6s var(--ease) forwards;}
.order__success-icon path{stroke:var(--leaf);stroke-width:3.5;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:40;stroke-dashoffset:40;animation:drawCheck .4s var(--ease) .5s forwards;}
@keyframes drawCircle{to{stroke-dashoffset:0;}}
@keyframes drawCheck{to{stroke-dashoffset:0;}}
.order__success h3{font-size:24px;margin-bottom:10px;}
.order__success p{color:var(--ink-soft);margin-bottom:26px;}

/* ===================================================================
   FOOTER
   =================================================================== */
.footer{background:var(--abyss);color:#B7D6E0;padding:80px 0 0;}
.footer__grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:60px;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.footer__logo{height:24px;margin-bottom:18px;}
.footer__brand p{font-size:14px;line-height:1.6;max-width:280px;}
.footer__social{display:flex;gap:14px;margin-top:20px;}
.footer__social a{
  width:38px;height:38px;border-radius:50%;border:1px solid rgba(255,255,255,.18);
  display:flex;align-items:center;justify-content:center;transition:.3s;
}
.footer__social a:hover{background:var(--aqua);border-color:var(--aqua);color:var(--abyss);}
.footer__col h4{font-family:var(--display);font-size:14px;color:#fff;margin-bottom:16px;letter-spacing:.02em;}
.footer__col p{font-size:14px;line-height:1.9;}
.footer__col a:hover{color:var(--aqua);}
.footer__bottom{text-align:center;padding:26px 0;font-size:12.5px;color:#5C7C8A;}

/* ===================================================================
   RESPONSIVE
   =================================================================== */
@media (max-width:980px){
  .nav__links,.nav__cta{display:none;}
  .nav__burger{display:flex;}
  .nav__mobile{display:flex;}
  .about__grid,.product__wrap,.order__grid{grid-template-columns:1fr;gap:50px;}
  .about__media{order:1;}
  .order__form,.order__success{grid-column:1;}
  .product__specs{grid-template-columns:1fr;}
  .reviews__grid{grid-template-columns:1fr;}
  .footer__grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:860px){
  .hero__flanks{
    flex-direction:column;justify-content:flex-end;align-items:center;
    text-align:center;padding:0 24px 64px;gap:22px;
  }
  .hero__flank{max-width:100%;}
  .hero__flank--left,.hero__flank--right{text-align:center;}
  .hero__actions{justify-content:center;}
  .hero__overlay{
    background:
      linear-gradient(180deg, rgba(3,10,18,.45) 0%, rgba(3,10,18,.1) 20%, rgba(3,10,18,.35) 55%, rgba(3,10,18,.85) 100%);
  }
  .banner__text{font-size:20px;}
}
@media (max-width:560px){
  .section-inner{padding:0 20px;}
  .hero__actions{flex-direction:column;width:100%;}
  .hero__actions .btn{width:100%;justify-content:center;}
  .stat-row{gap:28px;}
  .footer__grid{grid-template-columns:1fr;}
}