/* ==========================================================================
   AquaTrack landing site — design tokens
   Palette:
     --ocean-deep   #0B3B4A  base background, deep water
     --midnight-ink #062028  darkest ink, headline text on light
     --aqua-bright  #26C6DA  primary accent, "live water"
     --seafoam      #6EE7C0  secondary accent, growth / health
     --foam-white   #EAFBFB  light surfaces & body copy on dark
     --sun-glow     #FFC857  sparingly, streaks & achievements
   Type:
     Display  — 'Sora'       (headlines, nav, buttons)
     Body     — 'Inter'      (paragraphs, UI copy)
     Utility  — 'Space Mono' (stats, labels, eyebrow tags)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Sora:wght@500;600;700;800&family=Inter:wght@400;500;600&family=Space+Mono:wght@400;700&display=swap');

:root{
  --ocean-deep:#0B3B4A;
  --ocean-deeper:#082B37;
  --midnight-ink:#062028;
  --aqua-bright:#26C6DA;
  --aqua-soft:#8FE3EF;
  --seafoam:#6EE7C0;
  --foam-white:#EAFBFB;
  --sun-glow:#FFC857;
  --glass-bg: rgba(234,251,251,0.06);
  --glass-bg-strong: rgba(234,251,251,0.10);
  --glass-border: rgba(234,251,251,0.16);
  --ink-soft: rgba(6,32,40,0.68);
  --ink-faint: rgba(6,32,40,0.5);
  --foam-soft: rgba(234,251,251,0.72);
  --foam-faint: rgba(234,251,251,0.52);

  --font-display:'Sora', sans-serif;
  --font-body:'Inter', sans-serif;
  --font-mono:'Space Mono', monospace;

  --max-w: 1180px;
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
}

*, *::before, *::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--ocean-deep);
  color:var(--foam-white);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
h1,h2,h3,h4{ font-family:var(--font-display); margin:0; color:var(--foam-white); }
p{ margin:0; }
ul{ margin:0; padding:0; list-style:none; }
button{ font-family:inherit; cursor:pointer; }

.wrap{
  max-width:var(--max-w);
  margin:0 auto;
  padding:0 28px;
}

/* subtle ambient water backdrop shared by dark sections */
.bg-water{
  position:relative;
  overflow:hidden;
}
.bg-water::before{
  content:"";
  position:absolute;
  inset:0;
  background:
    radial-gradient(60% 50% at 85% 0%, rgba(38,198,218,0.16), transparent 60%),
    radial-gradient(45% 40% at 10% 90%, rgba(110,231,192,0.10), transparent 60%);
  pointer-events:none;
}

/* light (paper) sections used on privacy / contact pages */
.section-light{
  background:var(--foam-white);
  color:var(--midnight-ink);
}
.section-light h1, .section-light h2, .section-light h3{ color:var(--midnight-ink); }
.section-light .muted{ color:var(--ink-soft); }

/* ---------------- Nav ---------------- */
.nav{
  position:sticky; top:0; z-index:50;
  background:rgba(11,59,74,0.78);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--glass-border);
}
.nav .wrap{
  display:flex; align-items:center; justify-content:space-between;
  height:76px;
}
.brand{ display:flex; align-items:center; gap:10px; font-family:var(--font-display); font-weight:700; font-size:1.1rem; letter-spacing:-0.01em; }
.brand-mark{ width:30px; height:30px; flex:none; }
.nav-links{ display:flex; align-items:center; gap:34px; }
.nav-links a{
  font-size:0.92rem; font-weight:500; color:var(--foam-soft);
  transition:color .2s ease;
}
.nav-links a:hover, .nav-links a:focus-visible{ color:var(--foam-white); }
.nav-cta{
  display:inline-flex; align-items:center; gap:8px;
  background:var(--aqua-bright); color:var(--midnight-ink);
  font-family:var(--font-display); font-weight:700; font-size:0.86rem;
  padding:10px 18px; border-radius:999px;
  transition:transform .18s ease, box-shadow .18s ease;
  box-shadow:0 0 0 0 rgba(38,198,218,0);
}
.nav-cta:hover{ transform:translateY(-1px); box-shadow:0 8px 24px -6px rgba(38,198,218,0.55); }
.nav-toggle{
  display:none; background:none; border:1px solid var(--glass-border); border-radius:10px;
  width:42px; height:42px; color:var(--foam-white);
}
.nav-mobile{ display:none; flex-direction:column; gap:2px; padding:6px 28px 22px; }
.nav-mobile a{ padding:12px 0; border-bottom:1px solid var(--glass-border); color:var(--foam-soft); font-weight:500; }
.nav-mobile.open{ display:flex; }

/* ---------------- Buttons ---------------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:10px;
  font-family:var(--font-display); font-weight:700; font-size:0.95rem;
  padding:15px 26px; border-radius:999px; border:1px solid transparent;
  transition:transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease;
}
.btn-primary{
  background:linear-gradient(135deg, var(--aqua-bright), #1FB4C9);
  color:var(--midnight-ink);
  box-shadow:0 10px 30px -10px rgba(38,198,218,0.6);
}
.btn-primary:hover{ transform:translateY(-2px); box-shadow:0 16px 34px -10px rgba(38,198,218,0.75); }
.btn-ghost{
  background:transparent; color:var(--foam-white); border-color:var(--glass-border);
}
.btn-ghost:hover{ border-color:var(--aqua-soft); color:var(--aqua-soft); }
.btn-ghost.on-light{ color:var(--midnight-ink); border-color:rgba(6,32,40,0.18); }
.btn-ghost.on-light:hover{ border-color:var(--ocean-deep); color:var(--ocean-deep); }

/* ---------------- Hero ---------------- */
.hero{ padding:76px 0 90px; }
.hero .wrap{
  display:grid; grid-template-columns:1.05fr 0.95fr; gap:56px; align-items:center;
}
.eyebrow{
  font-family:var(--font-mono); font-size:0.72rem; letter-spacing:0.16em; text-transform:uppercase;
  color:var(--seafoam); display:inline-flex; align-items:center; gap:10px; margin-bottom:20px;
}
.eyebrow::before{ content:""; width:22px; height:1px; background:var(--seafoam); }
.hero h1{
  font-size:clamp(2.3rem, 4.2vw, 3.6rem); font-weight:800; line-height:1.06; letter-spacing:-0.02em;
  max-width:12ch;
}
.hero h1 .accent{ color:var(--aqua-bright); }
.hero-sub{
  margin-top:22px; font-size:1.08rem; color:var(--foam-soft); max-width:46ch;
}
.hero-actions{ display:flex; flex-wrap:wrap; gap:14px; margin-top:32px; }
.trust-row{
  display:flex; flex-wrap:wrap; gap:22px; margin-top:34px;
  font-family:var(--font-mono); font-size:0.76rem; color:var(--foam-faint);
}
.trust-row span{ display:inline-flex; align-items:center; gap:8px; }
.trust-dot{ width:6px; height:6px; border-radius:50%; background:var(--seafoam); flex:none; }

/* ---- Signature element: the water glass ---- */
.glass-stage{ position:relative; display:flex; justify-content:center; align-items:center; }
.glass-card{
  position:relative; width:100%; max-width:340px; aspect-ratio:3/4;
  background:var(--glass-bg); border:1px solid var(--glass-border); border-radius:var(--radius-lg);
  backdrop-filter:blur(18px); -webkit-backdrop-filter:blur(18px);
  padding:26px; display:flex; flex-direction:column; justify-content:space-between;
  box-shadow:0 30px 60px -25px rgba(0,0,0,0.55);
}
.glass-card-top{ display:flex; justify-content:space-between; align-items:flex-start; font-family:var(--font-mono); font-size:0.72rem; color:var(--foam-faint); }
.glass-goal{ text-align:right; }
.glass-goal b{ display:block; font-size:1.2rem; color:var(--foam-white); font-family:var(--font-display); }
.tumbler{
  position:relative; width:150px; height:190px; margin:6px auto; border-radius:16px 16px 26px 26px;
  border:2px solid rgba(234,251,251,0.35); overflow:hidden;
  background:rgba(234,251,251,0.03);
}
.tumbler-fill{
  position:absolute; left:-10%; width:120%; bottom:0; height:78%;
  background:linear-gradient(180deg, var(--aqua-soft), var(--aqua-bright) 55%, #12A7BE);
  border-radius:48% 52% 0 0/18% 18% 0 0;
  animation:wave-rise 5s ease-in-out infinite;
}
.tumbler-fill::before, .tumbler-fill::after{
  content:""; position:absolute; top:-14px; width:220%; height:34px; left:-60%;
  background:radial-gradient(closest-side, rgba(234,251,251,0.55), rgba(234,251,251,0) 70%);
  background-size:60px 34px; background-repeat:repeat-x;
  animation:wave-drift 6s linear infinite;
}
.tumbler-fill::after{ opacity:0.5; animation-duration:9s; animation-direction:reverse; top:-9px; }
@keyframes wave-rise{
  0%,100%{ height:74%; }
  50%{ height:80%; }
}
@keyframes wave-drift{
  from{ transform:translateX(0); }
  to{ transform:translateX(-60px); }
}
.bubble{
  position:absolute; bottom:6%; width:6px; height:6px; border-radius:50%;
  background:rgba(255,255,255,0.65); animation:bubble-up 4.5s ease-in infinite;
}
.bubble:nth-child(2){ left:30%; width:4px; height:4px; animation-delay:0.6s; animation-duration:3.6s; }
.bubble:nth-child(3){ left:55%; animation-delay:1.4s; animation-duration:5.2s; }
.bubble:nth-child(4){ left:70%; width:5px; height:5px; animation-delay:2.1s; animation-duration:4s; }
.bubble:nth-child(5){ left:45%; width:3px; height:3px; animation-delay:0.2s; animation-duration:4.8s; }
@keyframes bubble-up{
  0%{ transform:translateY(0) scale(1); opacity:0; }
  10%{ opacity:0.9; }
  100%{ transform:translateY(-150px) scale(0.6); opacity:0; }
}
.glass-card-bottom{ display:flex; justify-content:space-between; align-items:center; }
.sip-chip{
  font-family:var(--font-mono); font-size:0.72rem; background:var(--glass-bg-strong);
  border:1px solid var(--glass-border); border-radius:999px; padding:8px 14px; color:var(--foam-soft);
}
.streak-chip{
  display:flex; align-items:center; gap:6px; font-family:var(--font-mono); font-size:0.72rem; color:var(--sun-glow);
}
.float-badge{
  position:absolute; background:var(--glass-bg-strong); border:1px solid var(--glass-border);
  border-radius:14px; padding:10px 14px; backdrop-filter:blur(14px); font-family:var(--font-mono); font-size:0.72rem;
  display:flex; align-items:center; gap:8px; box-shadow:0 20px 40px -20px rgba(0,0,0,0.6);
}
.float-badge svg{ width:16px; height:16px; }
.float-badge.b1{ top:-4%; right:-8%; animation:float-y 5s ease-in-out infinite; }
.float-badge.b2{ bottom:6%; left:-14%; animation:float-y 6s ease-in-out infinite 1s; }
@keyframes float-y{
  0%,100%{ transform:translateY(0); }
  50%{ transform:translateY(-10px); }
}

/* ---------------- Stat strip ---------------- */
.stat-strip{
  border-top:1px solid var(--glass-border); border-bottom:1px solid var(--glass-border);
  padding:26px 0;
}
.stat-strip .wrap{
  display:flex; flex-wrap:wrap; justify-content:space-between; gap:18px;
}
.stat-item{ font-family:var(--font-mono); font-size:0.78rem; color:var(--foam-faint); display:flex; align-items:baseline; gap:8px; }
.stat-item b{ font-family:var(--font-display); font-size:1.15rem; color:var(--aqua-soft); font-weight:700; }

/* ---------------- Section shell ---------------- */
.section{ padding:100px 0; }
.section-head{ max-width:640px; margin-bottom:56px; }
.section-head .eyebrow{ margin-bottom:16px; }
.section-head h2{ font-size:clamp(1.8rem,3vw,2.5rem); font-weight:800; letter-spacing:-0.015em; }
.section-head p{ margin-top:16px; color:var(--foam-soft); font-size:1.02rem; }
.section-light .section-head p{ color:var(--ink-soft); }

/* ---------------- Feature grid ---------------- */
.feature-grid{
  display:grid; grid-template-columns:repeat(4, 1fr); gap:1px;
  background:var(--glass-border); border:1px solid var(--glass-border); border-radius:var(--radius-lg);
  overflow:hidden;
}
.feature-card{
  background:var(--ocean-deep); padding:32px 26px; display:flex; flex-direction:column; gap:14px;
  transition:background .2s ease;
}
.feature-card:hover{ background:var(--ocean-deeper); }
.feature-icon{
  width:42px; height:42px; border-radius:12px; background:var(--glass-bg-strong); border:1px solid var(--glass-border);
  display:flex; align-items:center; justify-content:center; color:var(--aqua-soft);
}
.feature-icon svg{ width:20px; height:20px; }
.feature-card h3{ font-size:1.02rem; font-weight:700; }
.feature-card p{ font-size:0.9rem; color:var(--foam-faint); line-height:1.55; }

/* ---------------- Benefits ---------------- */
.benefit-row{
  display:grid; grid-template-columns:repeat(4,1fr); gap:24px;
}
.benefit{
  border:1px solid var(--glass-border); border-radius:var(--radius-md); padding:28px 22px;
  background:var(--glass-bg);
}
.benefit-mark{ font-family:var(--font-display); font-size:0.78rem; color:var(--seafoam); letter-spacing:0.04em; }
.benefit h3{ margin-top:14px; font-size:1.08rem; }
.benefit p{ margin-top:10px; font-size:0.9rem; color:var(--foam-faint); }

/* ---------------- Screenshots ---------------- */
.shot-row{
  display:flex; gap:20px; overflow-x:auto; padding:6px 2px 20px;
  scroll-snap-type:x mandatory;
}
.shot-row::-webkit-scrollbar{ height:6px; }
.shot-row::-webkit-scrollbar-thumb{ background:var(--glass-border); border-radius:6px; }
.shot{
  flex:none; width:210px; scroll-snap-align:start;
  border-radius:22px; border:1px solid var(--glass-border); overflow:hidden;
  box-shadow:0 30px 50px -30px rgba(0,0,0,0.6);
}
.shot img{ width:100%; height:100%; object-fit:cover; }

/* ---------------- Privacy callout ---------------- */
.privacy-callout{
  border-radius:var(--radius-lg); border:1px solid var(--glass-border); background:var(--glass-bg);
  padding:52px; display:grid; grid-template-columns:1fr auto; gap:40px; align-items:center;
}
.privacy-points{ display:grid; grid-template-columns:1fr 1fr; gap:18px 32px; margin-top:24px; }
.privacy-point{ display:flex; gap:12px; font-size:0.92rem; color:var(--foam-soft); }
.privacy-point svg{ width:18px; height:18px; color:var(--seafoam); flex:none; margin-top:2px; }

/* ---------------- Final CTA ---------------- */
.cta-band{
  background:linear-gradient(135deg, var(--ocean-deeper), var(--ocean-deep) 60%);
  border-top:1px solid var(--glass-border);
  padding:96px 0; text-align:center;
}
.cta-band h2{ font-size:clamp(1.9rem,3.6vw,2.7rem); max-width:16ch; margin:0 auto; font-weight:800; letter-spacing:-0.02em; }
.cta-band p{ margin:18px auto 0; color:var(--foam-soft); max-width:44ch; }
.cta-band .hero-actions{ justify-content:center; margin-top:34px; }

/* ---------------- Footer ---------------- */
.footer{ border-top:1px solid var(--glass-border); padding:56px 0 40px; }
.footer .wrap{ display:flex; justify-content:space-between; gap:40px; flex-wrap:wrap; }
.footer-brand p{ margin-top:12px; max-width:32ch; color:var(--foam-faint); font-size:0.88rem; }
.footer-cols{ display:flex; gap:64px; flex-wrap:wrap; }
.footer-col h4{ font-size:0.78rem; letter-spacing:0.06em; text-transform:uppercase; color:var(--foam-faint); font-family:var(--font-mono); font-weight:400; margin-bottom:16px; }
.footer-col a, .footer-col p{ display:block; font-size:0.92rem; color:var(--foam-soft); margin-bottom:10px; }
.footer-col a:hover{ color:var(--aqua-soft); }
.footer-bottom{
  margin-top:48px; padding-top:24px; border-top:1px solid var(--glass-border);
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:12px;
  font-size:0.8rem; color:var(--foam-faint);
}

/* ---------------- Inner pages (privacy / contact) ---------------- */
.page-hero{ padding:64px 0 40px; }
.page-hero .eyebrow{ color:var(--ocean-deep); }
.page-hero .eyebrow::before{ background:var(--ocean-deep); }
.page-hero h1{ font-size:clamp(2rem,4vw,2.8rem); font-weight:800; letter-spacing:-0.02em; max-width:16ch; }
.page-hero .updated{ margin-top:14px; font-family:var(--font-mono); font-size:0.8rem; color:var(--ink-faint); }
.page-hero .lede{ margin-top:22px; font-size:1.04rem; color:var(--ink-soft); max-width:60ch; }

.policy-body{ padding:10px 0 90px; }
.policy-layout{ display:grid; grid-template-columns:260px 1fr; gap:64px; align-items:start; }
.policy-nav{ position:sticky; top:100px; display:flex; flex-direction:column; gap:2px; }
.policy-nav a{
  font-size:0.86rem; padding:9px 0; color:var(--ink-faint); border-left:2px solid transparent; padding-left:14px;
  transition:color .15s ease, border-color .15s ease;
}
.policy-nav a:hover, .policy-nav a.active{ color:var(--ocean-deep); border-left-color:var(--aqua-bright); }
.policy-summary{
  background:rgba(38,198,218,0.08); border:1px solid rgba(38,198,218,0.25); border-radius:var(--radius-md);
  padding:28px 30px; margin-bottom:44px;
}
.policy-summary h3{ font-size:1rem; color:var(--ocean-deep); }
.policy-summary ul{ margin-top:14px; display:flex; flex-direction:column; gap:10px; }
.policy-summary li{ font-size:0.92rem; color:var(--midnight-ink); display:flex; gap:10px; }
.policy-summary li svg{ width:16px; height:16px; color:#0EA5A5; flex:none; margin-top:3px; }

.policy-section{ padding-top:40px; margin-top:40px; border-top:1px solid rgba(6,32,40,0.1); }
.policy-section:first-child{ border-top:none; margin-top:0; padding-top:0; }
.policy-section h2{ font-size:1.3rem; font-weight:700; letter-spacing:-0.01em; }
.policy-section .tag{
  font-family:var(--font-mono); font-size:0.7rem; color:#0EA5A5; letter-spacing:0.08em; text-transform:uppercase;
  display:block; margin-bottom:10px;
}
.policy-section p, .policy-section li{ color:var(--ink-soft); font-size:0.96rem; }
.policy-section p + p{ margin-top:14px; }
.policy-section ul{ margin-top:14px; display:flex; flex-direction:column; gap:10px; padding-left:2px; }
.policy-section ul li{ position:relative; padding-left:20px; }
.policy-section ul li::before{ content:""; position:absolute; left:0; top:9px; width:6px; height:6px; border-radius:50%; background:var(--aqua-bright); }
.policy-section h4{ margin-top:20px; font-size:0.98rem; color:var(--midnight-ink); }
.policy-table{ margin-top:16px; border:1px solid rgba(6,32,40,0.12); border-radius:14px; overflow:hidden; }
.policy-row{ display:grid; grid-template-columns:1fr 1fr 1.3fr; gap:0; border-top:1px solid rgba(6,32,40,0.1); }
.policy-row:first-child{ border-top:none; background:rgba(6,32,40,0.04); font-family:var(--font-mono); font-size:0.72rem; text-transform:uppercase; letter-spacing:0.04em; }
.policy-row div{ padding:14px 18px; font-size:0.88rem; color:var(--ink-soft); }
.policy-row:first-child div{ color:var(--ink-faint); }

/* ---------------- Contact page ---------------- */
.contact-grid{ display:grid; grid-template-columns:repeat(2,1fr); gap:24px; margin-top:8px; }
.contact-card{
  border:1px solid rgba(6,32,40,0.12); border-radius:var(--radius-md); padding:30px;
  background:#fff; display:flex; flex-direction:column; gap:14px;
}
.contact-card .cicon{
  width:44px; height:44px; border-radius:12px; background:rgba(38,198,218,0.12); color:#0B93A6;
  display:flex; align-items:center; justify-content:center;
}
.contact-card .cicon svg{ width:20px; height:20px; }
.contact-card h3{ font-size:1.05rem; color:var(--midnight-ink); }
.contact-card p{ color:var(--ink-soft); font-size:0.92rem; }
.contact-card a.value{ font-family:var(--font-mono); font-size:1rem; color:var(--ocean-deep); font-weight:700; }
.contact-card a.value:hover{ color:#0EA5A5; }

.faq{ margin-top:8px; display:flex; flex-direction:column; gap:2px; }
.faq-item{ border-top:1px solid rgba(6,32,40,0.12); padding:22px 0; }
.faq-item:last-child{ border-bottom:1px solid rgba(6,32,40,0.12); }
.faq-item h3{ font-size:1rem; color:var(--midnight-ink); font-weight:700; }
.faq-item p{ margin-top:10px; color:var(--ink-soft); font-size:0.92rem; max-width:64ch; }

/* ---------------- Responsive ---------------- */
@media (max-width: 980px){
  .hero .wrap{ grid-template-columns:1fr; }
  .glass-stage{ order:-1; margin-bottom:8px; }
  .glass-card{ max-width:280px; }
  .feature-grid{ grid-template-columns:repeat(2,1fr); }
  .benefit-row{ grid-template-columns:repeat(2,1fr); }
  .privacy-callout{ grid-template-columns:1fr; padding:36px 28px; }
  .privacy-points{ grid-template-columns:1fr; }
  .policy-layout{ grid-template-columns:1fr; }
  .policy-nav{ position:static; flex-direction:row; flex-wrap:wrap; gap:14px; margin-bottom:20px; }
  .policy-nav a{ border-left:none; padding-left:0; border-bottom:2px solid transparent; padding-bottom:6px; }
  .policy-nav a:hover, .policy-nav a.active{ border-left-color:transparent; border-bottom-color:var(--aqua-bright); }
  .contact-grid{ grid-template-columns:1fr; }
}
@media (max-width: 760px){
  .nav-links{ display:none; }
  .nav-cta.desktop-only{ display:none; }
  .nav-toggle{ display:flex; align-items:center; justify-content:center; }
  .section{ padding:70px 0; }
  .hero{ padding:44px 0 60px; }
  .feature-grid{ grid-template-columns:1fr 1fr; }
  .benefit-row{ grid-template-columns:1fr; }
  .footer .wrap{ flex-direction:column; }
  .policy-row{ grid-template-columns:1fr; }
  .policy-row div{ padding:10px 16px; }
}

.reveal{ opacity:0; transform:translateY(18px); transition:opacity .7s ease, transform .7s ease; }
.reveal.is-visible{ opacity:1; transform:translateY(0); }

@media (prefers-reduced-motion: reduce){
  *{ animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important; }
}