/* ============ ENHEL WATER LUXE ============ */
:root {
  --bg: #040a10;
  --bg2: #071119;
  --ink: #eaf6f8;
  --muted: #8fa8b2;
  --cyan: #5fdcec;
  --cyan-deep: #148ea6;
  --serif: "Cormorant Garamond", serif;
  --sans: "Manrope", sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-weight: 300;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }

/* ---------- ambient ---------- */
.caustics {
  position: fixed; inset: -10%;
  background: url("assets/caustics.jpg") center/cover no-repeat;
  opacity: .22; z-index: 0; pointer-events: none;
  will-change: transform;
}
#bubbles { position: fixed; inset: 0; z-index: 1; pointer-events: none; }
.grain {
  position: fixed; inset: 0; z-index: 2; pointer-events: none; opacity: .05;
  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 baseFrequency='.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='120' height='120' filter='url(%23n)' opacity='.6'/%3E%3C/svg%3E");
}
section, footer { position: relative; z-index: 3; }

/* ---------- type ---------- */
.overline {
  font-size: 12px; letter-spacing: .35em; text-transform: uppercase;
  color: var(--cyan); margin-bottom: 22px; font-weight: 500;
}
h1, h2 {
  font-family: var(--serif); font-weight: 300; line-height: 1.05;
  font-size: clamp(44px, 7vw, 96px); letter-spacing: -.01em;
}
h1 em, h2 em {
  font-style: italic;
  background: linear-gradient(100deg, #aeeffa 0%, var(--cyan) 45%, #1f9cb8 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.lede { font-size: clamp(16px, 1.6vw, 20px); color: var(--muted); line-height: 1.75; max-width: 54ch; }

/* ---------- nav ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  display: flex; justify-content: space-between; align-items: center;
  padding: 22px clamp(20px, 5vw, 64px);
  background: linear-gradient(to bottom, rgba(4,10,16,.85), transparent);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
.nav-logo { display: flex; align-items: center; gap: 12px; font-weight: 500; letter-spacing: .22em; font-size: 14px; }
.nav-logo em { font-style: normal; color: var(--cyan); }
.nav-logo i { font-family: var(--serif); font-style: italic; letter-spacing: .05em; text-transform: lowercase; color: var(--muted); }
.nav-drop { width: 30px; filter: drop-shadow(0 0 8px rgba(95,220,236,.6)); }
.nav-cta {
  position: relative; overflow: hidden;
  font-size: 12px; letter-spacing: .18em; text-transform: uppercase;
  color: var(--ink); text-decoration: none; padding: 12px 22px;
  border: 1px solid rgba(95,220,236,.4); border-radius: 100px;
  background: url("assets/caustics.jpg") center/300%;
  background-color: rgba(4,10,16,.55);
  background-blend-mode: overlay;
  box-shadow: inset 0 1px 0 rgba(200,240,250,.18);
  transition: .35s;
}
.nav-cta:hover { border-color: rgba(95,220,236,.8); box-shadow: 0 0 24px rgba(95,220,236,.3), inset 0 1px 0 rgba(200,240,250,.25); }

/* ---------- ACT 0 : top hero ---------- */
#hero-top {
  position: relative; height: 100vh; height: 100svh; display: flex; align-items: center;
  overflow: hidden;
}
.hero-bg { position: absolute; inset: 0; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; }
.hero-bg::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(4,10,16,.92) 22%, rgba(4,10,16,.45) 52%, rgba(4,10,16,.1) 75%),
              linear-gradient(to top, rgba(4,10,16,.85), transparent 30%);
}
.hero-top-content {
  position: relative; z-index: 2;
  padding: 0 clamp(20px, 6vw, 90px); max-width: 720px;
}
.hero-top-content .lede { margin-top: 26px; }
.scroll-hint {
  position: absolute; bottom: 4vh; left: 50%; transform: translateX(-50%); z-index: 2;
  font-size: 11px; letter-spacing: .4em; text-transform: uppercase;
  color: var(--muted); display: flex; flex-direction: column; align-items: center; gap: 14px;
}
.scroll-line { width: 1px; height: 56px; background: linear-gradient(var(--cyan), transparent); animation: linePulse 2s infinite; }
@keyframes linePulse { 0%,100% { opacity: .3 } 50% { opacity: 1 } }

/* ---------- ACT I : drop stage ---------- */
#act-drop { min-height: 100vh; }
.drop-stage {
  position: relative; height: 100vh; height: 100svh; overflow: hidden;
  background: radial-gradient(ellipse 90% 60% at 50% 110%, rgba(20,142,166,.16), transparent 65%);
}
.scene-photo {
  position: absolute; inset: 0;
  transform-origin: 50.05% 39%;
  will-change: transform;
}
.scene-photo img { width: 100%; height: 100%; object-fit: cover; }
.scene-vignette {
  position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(ellipse 75% 65% at 50% 45%, transparent 40%, rgba(4,10,16,.85) 100%);
}
.stage-intro {
  position: absolute; left: 0; right: 0; bottom: 9vh;
  display: flex; flex-direction: column; align-items: center; text-align: center; gap: 6px;
  z-index: 3;
}
.stage-h { font-size: clamp(36px, 4.6vw, 64px); text-shadow: 0 6px 40px rgba(0,0,0,.8); }
.drop {
  position: absolute; top: calc(18% - 30px); left: 50%;
  width: 120px; height: 120px; margin-left: -60px;
  transform-origin: 50% 35%;
  opacity: 0; will-change: transform;
  filter: drop-shadow(0 0 22px rgba(95,220,236,.4));
  z-index: 4;
}
.df { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; }
#splash {
  position: absolute; bottom: calc(5% + 320px); left: 50%;
  width: 170px; margin-left: -85px;
  opacity: 0; z-index: 5; pointer-events: none;
  transform-origin: 50% 90%;
  filter: drop-shadow(0 0 24px rgba(95,220,236,.35));
}

.drop-inside { position: absolute; inset: 0; opacity: 0; pointer-events: none; z-index: 4; }
.inside-circle {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  width: min(46vh, 44vw); aspect-ratio: 1; border-radius: 50%; overflow: hidden;
  box-shadow: 0 0 80px rgba(95,220,236,.35), inset 0 0 60px rgba(0,0,0,.5);
}
.inside-circle img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.9); }
.inside-ring { position: absolute; inset: 0; border-radius: 50%; border: 1px solid rgba(156,238,251,.5); }
.comp {
  position: absolute; display: flex; gap: 14px; align-items: center; max-width: 300px;
}
.comp img { width: 52px; flex: none; filter: drop-shadow(0 0 10px rgba(95,220,236,.5)); }
.comp b { display: block; font-weight: 600; font-size: 15px; letter-spacing: .02em; }
.comp span { font-size: 13px; color: var(--muted); line-height: 1.5; }
.comp::before {
  content: ""; position: absolute; width: 70px; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(156,238,251,.6));
}
.comp-1 { top: 22%; left: 8%; } .comp-1::before { right: -80px; top: 50%; }
.comp-2 { top: 22%; right: 8%; flex-direction: row-reverse; text-align: right; } .comp-2::before { left: -80px; top: 50%; transform: scaleX(-1); }
.comp-3 { bottom: 20%; left: 8%; } .comp-3::before { right: -80px; top: 50%; }
.comp-4 { bottom: 20%; right: 8%; flex-direction: row-reverse; text-align: right; } .comp-4::before { left: -80px; top: 50%; transform: scaleX(-1); }

.glass-wrap {
  position: absolute; bottom: 5%; left: 50%; transform: translateX(-50%);
  opacity: 0; text-align: center; z-index: 4;
}
.glass-imgs {
  position: relative;
  width: min(150px, 19vh); margin: 0 auto;
  filter: drop-shadow(0 20px 40px rgba(0,0,0,.5));
}
.glass-img { width: 100%; display: block; }
.glass-full { position: absolute; inset: 0; opacity: 0; }
.glass-caption { margin-top: 22px; font-family: var(--serif); font-size: clamp(22px, 3vw, 34px); }
.glass-caption em { font-style: italic; color: var(--cyan); }

/* ---------- shared panels ---------- */
.panel { padding: clamp(90px, 14vh, 160px) clamp(20px, 6vw, 90px); }
.reveal { opacity: 0; transform: translateY(46px); }

.btn-main {
  position: relative; overflow: hidden;
  display: inline-flex; align-items: center; gap: 14px;
  margin-top: 40px; padding: 20px 42px;
  font-family: var(--sans); font-size: 13px; letter-spacing: .22em; text-transform: uppercase; font-weight: 500;
  color: #01181e; text-decoration: none; border: none; cursor: pointer;
  font-weight: 600;
  background:
    linear-gradient(120deg, rgba(224,250,255,.92), rgba(150,235,247,.88) 55%, rgba(86,205,228,.92)),
    url("assets/caustics.jpg") center/220% no-repeat #9ae9f5;
  border-radius: 100px;
  box-shadow: 0 8px 40px rgba(95,220,236,.35), inset 0 1px 0 rgba(255,255,255,.7), inset 0 -8px 18px rgba(10,110,135,.35);
  transition: .35s;
  animation: btnWater 14s linear infinite alternate;
}
@keyframes btnWater { from { background-position: 50% 30%, 30% 40% } to { background-position: 50% 30%, 70% 60% } }
.btn-main::after {
  content: ""; position: absolute; top: 0; left: -80%;
  width: 60%; height: 100%;
  background: linear-gradient(100deg, transparent, rgba(255,255,255,.55), transparent);
  transform: skewX(-20deg);
  transition: left .6s ease;
}
.btn-main:hover::after { left: 120%; }
.btn-main:hover { transform: translateY(-3px); box-shadow: 0 14px 56px rgba(95,220,236,.55), inset 0 1px 0 rgba(255,255,255,.8), inset 0 -8px 18px rgba(10,110,135,.3); }
.btn-main span { transition: .3s; }
.btn-main:hover span { transform: translateX(6px); }

/* ---------- hero ---------- */
.hero-grid {
  display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(30px, 6vw, 90px);
  align-items: center; max-width: 1360px; margin: 0 auto;
}
.hero-badges { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.hero-badges span {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 13px; color: var(--ink); letter-spacing: .04em;
  padding: 10px 18px; border: 1px solid rgba(143,168,178,.25); border-radius: 100px;
  background: rgba(7,17,25,.6);
}
.hero-badges img { width: 26px; }
.hero-img { border-radius: 24px; overflow: hidden; box-shadow: 0 40px 100px rgba(0,0,0,.6); }
.hero-img img { width: 100%; }
.float-emoji {
  position: absolute; z-index: 4; pointer-events: none;
  filter: drop-shadow(0 0 16px rgba(95,220,236,.4)); opacity: .85;
  animation: bob 6s ease-in-out infinite;
}
.float-emoji:nth-of-type(2n) { animation-delay: -3s; }
@keyframes bob { 0%,100% { margin-top: 0 } 50% { margin-top: -18px } }

/* ---------- cards ---------- */
#inside { text-align: center; }
.cards {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px;
  max-width: 1360px; margin: 70px auto 0;
}
.card {
  text-align: left; padding: 38px 30px; border-radius: 22px;
  background: linear-gradient(160deg, rgba(17,34,45,.75), rgba(7,17,25,.9));
  border: 1px solid rgba(95,220,236,.14);
  transition: .4s;
}
.card:hover { transform: translateY(-8px); border-color: rgba(95,220,236,.45); box-shadow: 0 24px 60px rgba(0,0,0,.45), 0 0 40px rgba(95,220,236,.12); }
.card img { width: 74px; margin-bottom: 24px; filter: drop-shadow(0 0 14px rgba(95,220,236,.45)); }
.card h3 { font-weight: 500; font-size: 19px; margin-bottom: 14px; letter-spacing: .01em; }
.card p { font-size: 14.5px; color: var(--muted); line-height: 1.7; }

/* ---------- pour / quote ---------- */
.pour-panel {
  display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(30px, 6vw, 90px);
  align-items: center; max-width: 1360px; margin: 0 auto;
}
.pour-img { border-radius: 24px; overflow: hidden; box-shadow: 0 40px 100px rgba(0,0,0,.6); }
.quote-emoji { width: 64px; margin-bottom: 30px; filter: drop-shadow(0 0 14px rgba(95,220,236,.5)); }
.pour-quote blockquote {
  font-family: var(--serif); font-style: italic; font-weight: 300;
  font-size: clamp(30px, 4vw, 52px); line-height: 1.2; margin-bottom: 28px;
}
.pour-quote p { color: var(--muted); line-height: 1.75; max-width: 46ch; }

/* ---------- features ---------- */
.feat-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: clamp(30px, 6vw, 90px);
  align-items: center; max-width: 1360px; margin: 0 auto;
}
.feat-img { position: relative; border-radius: 24px; overflow: hidden; box-shadow: 0 40px 100px rgba(0,0,0,.6); }
.feat-img-caption {
  position: absolute; left: 20px; bottom: 20px;
  font-size: 12px; letter-spacing: .2em; text-transform: uppercase;
  background: rgba(4,10,16,.65); backdrop-filter: blur(8px);
  padding: 10px 18px; border-radius: 100px; border: 1px solid rgba(95,220,236,.3);
}
.feat-list ul { list-style: none; margin-top: 48px; display: flex; flex-direction: column; gap: 26px; }
.feat-list li { display: flex; gap: 20px; align-items: center; }
.feat-list li img { width: 52px; flex: none; filter: drop-shadow(0 0 12px rgba(95,220,236,.4)); }
.feat-list b { display: block; font-weight: 600; font-size: 17px; }
.feat-list span { color: var(--muted); font-size: 14.5px; }

/* ---------- pets ---------- */
.pets-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: clamp(30px, 6vw, 90px);
  align-items: center; max-width: 1360px; margin: 0 auto;
}
.pets-img { position: relative; border-radius: 24px; overflow: hidden; box-shadow: 0 40px 100px rgba(0,0,0,.6); }
.pets-list { list-style: none; margin-top: 40px; display: flex; flex-direction: column; gap: 24px; }
.pets-list li { display: flex; gap: 18px; align-items: flex-start; }
.pets-list li img { width: 50px; flex: none; filter: drop-shadow(0 0 12px rgba(95,220,236,.4)); }
.pets-list b { display: block; font-weight: 600; font-size: 16.5px; margin-bottom: 4px; }
.pets-list span { color: var(--muted); font-size: 14px; line-height: 1.65; }
.pets-close { margin-top: 36px; font-family: var(--serif); font-size: clamp(20px, 2.2vw, 26px); }
.pets-close em { font-style: italic; color: var(--cyan); }

/* ---------- science ---------- */
#science { text-align: center; }
.stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px;
  max-width: 1360px; margin: 70px auto;
}
.stat b {
  font-family: var(--serif); font-weight: 300; font-size: clamp(48px, 5.5vw, 80px);
  color: var(--cyan); display: block; line-height: 1;
  text-shadow: 0 0 40px rgba(95,220,236,.4);
}
.stat span { display: block; margin-top: 14px; font-size: 13.5px; color: var(--muted); line-height: 1.6; }
.science-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; max-width: 1360px; margin: 0 auto; }
.s-card {
  text-align: left; padding: 38px 32px; border-radius: 22px;
  background: rgba(9,20,28,.7); border: 1px solid rgba(143,168,178,.16);
}
.s-card img { width: 56px; margin-bottom: 20px; filter: drop-shadow(0 0 12px rgba(95,220,236,.4)); }
.s-card h3 { font-weight: 500; font-size: 18px; margin-bottom: 12px; }
.s-card p { font-size: 14.5px; color: var(--muted); line-height: 1.7; }
.disclaimer { margin-top: 50px; font-size: 12px; color: rgba(143,168,178,.55); }

/* ---------- lifestyle ---------- */
.lifestyle-panel { padding-left: 0; padding-right: 0; }
.lifestyle-img { height: 88vh; overflow: hidden; }
.lifestyle-img img { width: 100%; height: 116%; object-fit: cover; }
.lifestyle-caption {
  position: absolute; inset: 0; display: flex; flex-direction: column;
  justify-content: flex-end; align-items: flex-start; gap: 18px;
  padding: clamp(30px, 6vw, 90px);
  background: linear-gradient(to top, rgba(4,10,16,.9), transparent 55%);
}
.lifestyle-caption p { color: var(--ink); opacity: .8; max-width: 46ch; line-height: 1.7; }

/* ---------- cta ---------- */
#cta { display: flex; justify-content: center; }
.cta-box {
  text-align: center; max-width: 760px; padding: clamp(50px, 7vw, 90px);
  border-radius: 32px;
  background: radial-gradient(ellipse at 50% 0%, rgba(20,142,166,.25), rgba(7,17,25,.9) 70%);
  border: 1px solid rgba(95,220,236,.25);
  box-shadow: 0 60px 140px rgba(0,0,0,.6), 0 0 80px rgba(95,220,236,.08);
}
.cta-emoji { width: 84px; margin: 0 auto 30px; filter: drop-shadow(0 0 20px rgba(95,220,236,.6)); animation: bob 5s ease-in-out infinite; }
.cta-box .lede { margin: 26px auto 0; }
#ctaForm { margin-top: 44px; display: flex; flex-direction: column; gap: 16px; align-items: center; }
#ctaForm input {
  width: min(420px, 100%); padding: 18px 26px; border-radius: 100px;
  background: rgba(4,10,16,.7); border: 1px solid rgba(143,168,178,.3);
  color: var(--ink); font-family: var(--sans); font-size: 15px; outline: none;
  transition: .3s;
}
#ctaForm input:focus { border-color: var(--cyan); box-shadow: 0 0 24px rgba(95,220,236,.2); }
#ctaForm .btn-main { margin-top: 16px; }
.form-done { display: none; margin-top: 30px; color: var(--cyan); font-size: 17px; }

/* ---------- footer ---------- */
footer {
  display: flex; flex-direction: column; align-items: center; gap: 18px;
  padding: 70px 20px 50px; text-align: center;
  border-top: 1px solid rgba(143,168,178,.12);
  color: var(--muted); font-size: 13px;
}

/* ---------- responsive ---------- */
@media (max-width: 1024px) {
  .cards { grid-template-columns: repeat(2, 1fr); }
  .stats { grid-template-columns: repeat(2, 1fr); gap: 40px; }
  .science-cards { grid-template-columns: 1fr; }
}
@media (max-width: 860px) {
  .hero-grid, .pour-panel, .feat-grid, .pets-grid { grid-template-columns: 1fr; }
  .hero-img, .pets-img { order: -1; }
  .comp { max-width: 190px; }
  .comp b { font-size: 13px; } .comp span { font-size: 11px; }
  .comp img { width: 38px; }
  .comp::before { display: none; }
  .comp-1, .comp-3 { left: 4%; } .comp-2, .comp-4 { right: 4%; }
  .comp-1, .comp-2 { top: 12%; } .comp-3, .comp-4 { bottom: 10%; }
  .float-emoji { display: none; }
  .nav-cta { display: none; }
}
@media (max-width: 600px) {
  .cards { grid-template-columns: 1fr; }
  /* hero: the device sits on the right of the photo — push it to the edge
     and darken harder so the lede stays readable over it */
  .hero-bg img { object-position: 72% 50%; }
  .hero-bg::after {
    background: linear-gradient(100deg, rgba(4,10,16,.96) 38%, rgba(4,10,16,.78) 72%, rgba(4,10,16,.35) 100%),
                linear-gradient(to top, rgba(4,10,16,.88), transparent 35%);
  }
  /* drop-scene composition labels: keep the two columns from colliding */
  .comp { max-width: 43vw; }
  .comp b { font-size: 12px; }
  .comp span { font-size: 10.5px; line-height: 1.5; }
  .comp img { width: 30px; }
  .comp-1, .comp-3 { left: 3%; } .comp-2, .comp-4 { right: 3%; }
  .comp-1, .comp-2 { top: 8%; } .comp-3, .comp-4 { bottom: 8%; }
  .inside-circle { width: min(38vh, 58vw); }
  .stats { gap: 36px 18px; }
  .stat span { font-size: 12px; }
  .glass-caption { font-size: 20px; }
  .hero-badges span { font-size: 12px; padding: 8px 14px; }
  .pets-close { font-size: 19px; }
}
