/*
Theme Name: Pota Water
Theme URI: https://example.com/pota-water
Author: Pota Water
Author URI: https://example.com
Description: Minimal, tech-clean homepage theme for Pota Water, a potassium-charged sparkling water brand focused on reducing facial puffiness and swelling.
Version: 2.9
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: pota-water
*/

:root{
  --white:      #FFFFFF;
  --bg-alt:     #F5F5F7;
  --ink:        #1D1D1F;
  --ink-soft:   #6E6E73;
  --blue:       #0071E3;
  --blue-hover: #0077ED;
  --line:       #D2D2D7;
  --card:       #FFFFFF;
  --font-sans: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Inter", "Helvetica Neue", Arial, sans-serif;
}

*{box-sizing:border-box;}
html{ -webkit-text-size-adjust:100%; }
body{
  margin:0;
  background:var(--white);
  color:var(--ink);
  font-family:var(--font-sans);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%; display:block;}
a{color:inherit;}
h1,h2,h3{
  font-family:var(--font-sans);
  font-weight:800;
  line-height:1.02;
  text-wrap:balance;
  margin:0;
  letter-spacing:-0.025em;
}
.wrap{
  max-width:1240px;
  margin:0 auto;
  padding-inline:24px;
}
.eyebrow{
  font-size:12px;
  font-weight:600;
  letter-spacing:0.08em;
  text-transform:uppercase;
  color:var(--blue);
}
.btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  background:var(--ink);
  color:#fff;
  border:1px solid var(--ink);
  border-radius:980px;
  padding:15px 28px;
  font-family:var(--font-sans);
  font-size:13px;
  font-weight:600;
  letter-spacing:0.06em;
  text-transform:uppercase;
  text-decoration:none;
  cursor:pointer;
  transition:background .2s ease, border-color .2s ease, transform .15s ease, color .2s ease;
}
.btn:hover{ background:#000; border-color:#000; transform:translateY(-1px); }
.btn .arrow{ font-size:15px; line-height:1; }

/* ---------- NAV ---------- */
header.site{
  position:sticky;
  top:0;
  z-index:50;
  background:rgba(255,255,255,0.8);
  backdrop-filter:saturate(180%) blur(20px);
  border-bottom:1px solid var(--line);
}
.nav{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding-block:14px;
  gap:16px;
}
.logo{
  font-family:var(--font-sans);
  font-size:19px;
  font-weight:800;
  text-decoration:none;
  color:var(--ink);
  letter-spacing:-0.01em;
  white-space:nowrap;
}
.nav-links{
  display:flex;
  gap:32px;
  list-style:none;
  margin:0; padding:0;
}
.nav-links li{ display:flex; }
.nav-links a{
  text-decoration:none;
  font-size:13px;
  font-weight:500;
  color:var(--ink-soft);
  transition:color .15s ease;
}
.nav-links a:hover{ color:var(--ink); }
.nav-cta{ display:flex; align-items:center; gap:20px; }
.nav-cta .btn{ padding:10px 20px; font-size:11.5px; }
@media (max-width:760px){
  .nav-links{ display:none; }
}

/* ---------- HERO (mobile: single can + glass) ---------- */
.hero-mobile{
  position:relative;
  width:100%;
  padding:0;
  background:var(--white);
}
.hero-mobile img{
  display:block;
  width:100%;
  height:auto;
}
/* Button sits centered on the can, over the bottom of the can, and fades in */
@keyframes heroBtnFadeIn{
  from{ opacity:0; transform:translate(-50%, -50%) translateY(10px); }
  to{ opacity:1; transform:translate(-50%, -50%) translateY(0); }
}
.hero-mobile .btn{
  position:absolute;
  left:49%;
  top:87%;
  transform:translate(-50%, -50%);
  opacity:0;
  animation:heroBtnFadeIn 0.9s ease forwards;
  animation-delay:0.7s;
}

/* ---------- HERO (desktop: yellow background, headline baked in) ---------- */
.hero-desktop{
  position:relative;
  width:100%;
  padding:0;
  display:none;
}
.hero-desktop img{
  display:block;
  width:100%;
  height:auto;
}
/* Black button centered under the two-line headline */
.hero-desktop .btn{
  position:absolute;
  left:33%;
  top:64%;
  transform:translate(-50%, -50%);
}

.hero-mobile .btn{
  background:var(--ink);
  color:#fff;
  border-color:var(--ink);
  box-shadow:0 6px 20px rgba(0,0,0,0.28);
}
.hero-mobile .btn:hover{
  background:#000;
  border-color:#000;
  transform:translate(-50%, -50%) translateY(-1px);
}
.hero-desktop .btn:hover{
  transform:translate(-50%, -50%) translateY(-1px);
}

@media (min-width:860px){
  .hero-mobile{ display:none; }
  .hero-desktop{ display:block; }
}

/* ---------- SECTION HEADS ---------- */
section{ padding-block:96px; }
.section-head{
  max-width:640px;
  margin-bottom:48px;
}
.section-head h2{ font-size:clamp(28px, 3.4vw, 42px); margin-top:10px; color:var(--ink); }
.section-head p{
  margin-top:16px;
  font-size:16px;
  line-height:1.65;
  color:var(--ink-soft);
  max-width:56ch;
}

/* ---------- FLAVORS ---------- */
.flavors{ background:var(--white); }
.flavor-grid{
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:24px;
}
.flavor-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:20px;
  overflow:hidden;
  text-decoration:none;
  color:var(--ink);
  display:flex;
  flex-direction:column;
  transition:box-shadow .25s ease, transform .25s ease, border-color .25s ease;
}
.flavor-card:hover{
  transform:translateY(-4px);
  box-shadow:0 20px 40px -22px rgba(29,29,31,0.28);
  border-color:transparent;
}
.flavor-media{
  aspect-ratio:4/5;
  overflow:hidden;
  background:var(--bg-alt);
}
.flavor-media img{
  width:100%; height:100%; object-fit:cover;
  transition:transform .5s ease;
}
.flavor-card:hover .flavor-media img{ transform:scale(1.04); }
.flavor-body{
  padding:20px 22px 24px;
  display:flex;
  flex-direction:column;
  gap:6px;
  flex:1;
}
.flavor-name{
  font-family:var(--font-sans);
  font-size:20px;
  font-weight:800;
}
.flavor-note{
  font-size:14px;
  color:var(--ink-soft);
  line-height:1.5;
  flex:1;
}
.flavor-shop{
  margin-top:10px;
  font-size:12.5px;
  font-weight:600;
  letter-spacing:0.03em;
  text-transform:uppercase;
  color:var(--ink);
}
@media (max-width:820px){
  .flavor-grid{ grid-template-columns:1fr; }
}

/* ---------- SCIENCE ---------- */
.science{ background:var(--bg-alt); }
.science-grid{
  display:grid;
  grid-template-columns:0.9fr 1.1fr;
  gap:64px;
  align-items:center;
}
.science-media img{
  border-radius:20px;
  box-shadow:0 30px 60px -30px rgba(29,29,31,0.25);
}
.nutrient-list{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:20px;
  margin-top:8px;
}
.nutrient{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:16px;
  padding:20px 22px;
}
.nutrient .amt{
  font-family:var(--font-sans);
  font-size:24px;
  font-weight:800;
  color:var(--ink);
}
.nutrient .name{
  font-size:12px;
  font-weight:600;
  text-transform:uppercase;
  letter-spacing:0.05em;
  color:var(--blue);
  margin-top:2px;
}
.nutrient .desc{
  font-size:13.5px;
  color:var(--ink-soft);
  margin-top:8px;
  line-height:1.5;
}
@media (max-width:900px){
  .science-grid{ grid-template-columns:1fr; gap:40px; }
  .nutrient-list{ grid-template-columns:1fr 1fr; }
}

/* ---------- EDITORIAL BREAK ---------- */
.editorial{
  position:relative;
  padding-block:0;
  background:var(--white);
}
.editorial-frame{
  position:relative;
  width:100%;
  aspect-ratio:1774 / 887;
  overflow:hidden;
  border-radius:24px;
  max-width:1240px;
  margin:0 auto;
}
.editorial-frame img{
  width:100%; height:100%; object-fit:cover;
}
.editorial-caption{
  text-align:center;
  padding-top:28px;
  font-size:17px;
  font-weight:500;
  color:var(--ink-soft);
}
@media (max-width:900px){
  .editorial-frame{ border-radius:0; }
}

/* ---------- COLLAGE (the effect, selling point) ---------- */
.collage{ background:var(--bg-alt); }
.collage-grid{
  display:grid;
  grid-template-columns:1.15fr 1fr 1fr;
  grid-template-rows:1fr 1fr;
  gap:16px;
  height:560px;
}
.collage-item{
  overflow:hidden;
  border-radius:20px;
  background:var(--card);
}
.collage-item img{
  width:100%; height:100%; object-fit:cover; display:block;
}
.collage-item:nth-child(1){ grid-column:1; grid-row:1 / 3; }
.collage-item:nth-child(2){ grid-column:2; grid-row:1; }
.collage-item:nth-child(3){ grid-column:3; grid-row:1; }
.collage-item:nth-child(4){ grid-column:2 / 4; grid-row:2; }
@media (max-width:820px){
  .collage-grid{
    display:flex;
    flex-direction:column;
    height:auto;
  }
  .collage-item{ aspect-ratio:4/5; }
}

/* ---------- FOOTER ---------- */
footer{
  background:var(--bg-alt);
  color:var(--ink-soft);
  padding-block:48px 24px;
  border-top:1px solid var(--line);
}
.foot-top{
  display:flex;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
  padding-bottom:32px;
  border-bottom:1px solid var(--line);
}
.foot-logo{
  font-family:var(--font-sans);
  font-size:20px;
  font-weight:800;
  color:var(--ink);
}
.foot-tag{
  margin-top:10px;
  max-width:34ch;
  font-size:13.5px;
  color:var(--ink-soft);
  line-height:1.6;
}
.foot-cols{
  display:flex;
  gap:56px;
  flex-wrap:wrap;
}
.foot-col h4{
  font-size:12px;
  text-transform:uppercase;
  letter-spacing:0.05em;
  color:var(--ink-soft);
  margin:0 0 14px;
  font-weight:600;
}
.foot-col ul{
  list-style:none;
  margin:0; padding:0;
  display:flex;
  flex-direction:column;
  gap:10px;
}
.foot-col a{
  text-decoration:none;
  font-size:13.5px;
  color:var(--ink);
}
.foot-col a:hover{ color:var(--blue); }
.foot-bottom{
  display:flex;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:12px;
  padding-top:20px;
  font-size:12px;
  color:var(--ink-soft);
}