@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,wght@0,300;0,700;1,300;1,700&family=IBM+Plex+Mono:wght@300;400&display=swap');

:root {
  --ink:         #020d0f;
  --deep:        #041418;
  --pool:        #082228;
  --current:     #0e3c48;
  --teal:        #1a6a7a;
  --jade:        #2a9a8a;
  --spring:      #3acca8;
  --foam:        #90e8d0;
  --mist:        #d0f4ec;
  --droplet:     rgba(58,204,168,0.12);
  --card-bg:     rgba(8,34,40,0.65);
  --card-border: rgba(42,154,138,0.22);
  --text-main:   #cceee8;
  --text-muted:  #5a9890;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: 'Fraunces', Georgia, serif;
  background: var(--ink);
  color: var(--text-main);
  min-height: 100vh;
  overflow-x: hidden;
}

/* ── Ripple background ── */
.water-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 100% 55% at 30% 100%, rgba(26,106,122,0.35) 0%, transparent 60%),
    radial-gradient(ellipse 70%  40% at 80% 10%,  rgba(58,204,168,0.06) 0%, transparent 55%),
    linear-gradient(175deg, #020d0f 0%, #051820 50%, #020d0f 100%);
}

/* ── Wave canvas ── */
#wave-canvas {
  position: fixed;
  bottom: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 0;
  pointer-events: none;
  opacity: 0.18;
}

/* ── Layout ── */
.wrap {
  position: relative;
  z-index: 1;
  max-width: 980px;
  margin: 0 auto;
  padding: 0 28px 100px;
}

/* ── Hero: split editorial ── */
.hero {
  padding: 90px 0 60px;
  opacity: 0;
  animation: flowIn 1s 0.1s cubic-bezier(0.16,1,0.3,1) forwards;
}

@keyframes flowIn {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: none; }
}

.hero-tag {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.66rem;
  font-weight: 300;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--spring);
  margin-bottom: 24px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  border-bottom: 1px solid rgba(42,154,138,0.2);
  padding-bottom: 48px;
}

.hero h1 {
  font-size: clamp(3.5rem, 8vw, 7rem);
  font-weight: 700;
  font-style: italic;
  line-height: 0.88;
  letter-spacing: -0.04em;
  color: var(--mist);
}
.hero h1 em {
  display: block;
  color: var(--spring);
  font-size: 55%;
  font-style: normal;
  font-weight: 300;
  letter-spacing: 0.04em;
  margin-top: 10px;
}

.hero-right {}
.hero-desc {
  font-size: 1.08rem;
  line-height: 1.85;
  color: var(--text-muted);
  font-style: italic;
  margin-bottom: 28px;
}

.hero-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.stat-box {
  padding: 16px 18px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 10px;
  backdrop-filter: blur(8px);
}
.stat-val {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 1.6rem;
  font-weight: 400;
  color: var(--spring);
  line-height: 1;
  display: block;
  margin-bottom: 4px;
}
.stat-lbl { font-size: 0.8rem; color: var(--text-muted); line-height: 1.4; }

/* ── Section util ── */
.sec-label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.63rem;
  font-weight: 300;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--spring);
  margin-bottom: 10px;
}
.sec-title {
  font-size: 2.2rem;
  font-weight: 300;
  font-style: italic;
  color: var(--mist);
  margin-bottom: 30px;
  line-height: 1.15;
}

/* ── Cycle hydrologique visuel ── */
.cycle-section { margin: 70px 0; opacity: 0; animation: rise 0.8s 0.9s forwards; }

.cycle-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border: 1px solid var(--card-border);
  border-radius: 16px;
  overflow: hidden;
  position: relative;
}
.cycle-grid::after {
  content: '→';
  position: absolute;
  right: -16px; top: 50%;
  transform: translateY(-50%);
  color: var(--spring);
  font-size: 1.2rem;
  display: none;
}

.cycle-step {
  padding: 26px 20px;
  background: var(--card-bg);
  border-right: 1px solid var(--card-border);
  transition: background 0.3s;
  position: relative;
  cursor: default;
}
.cycle-step:last-child { border-right: none; }
.cycle-step:hover { background: rgba(26,106,122,0.4); }

.cycle-arrow {
  position: absolute;
  right: -12px; top: 50%;
  transform: translateY(-50%);
  font-size: 1rem;
  color: var(--jade);
  z-index: 2;
}
.cycle-step:last-child .cycle-arrow { display: none; }

.cycle-num {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.65rem;
  color: var(--jade);
  margin-bottom: 8px;
  letter-spacing: 0.15em;
}
.cycle-step h3 { font-size: 1rem; font-weight: 700; color: var(--foam); margin-bottom: 8px; }
.cycle-step p  { font-size: 0.87rem; line-height: 1.65; color: var(--text-muted); }

/* ── Rivers table ── */
.rivers-section { margin: 70px 0; opacity: 0; animation: rise 0.8s 1.1s forwards; }

.river-table {
  width: 100%;
  border-collapse: collapse;
}
.river-table th {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.62rem;
  font-weight: 300;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--spring);
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--card-border);
}
.river-table td {
  padding: 13px 16px;
  border-bottom: 1px solid rgba(42,154,138,0.07);
  font-size: 0.92rem;
  color: var(--text-muted);
  vertical-align: middle;
}
.river-table tr:hover td { background: rgba(58,204,168,0.05); }
.river-table td:first-child { color: var(--mist); font-style: italic; }
.river-table .mono {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.86rem;
  color: var(--jade);
}
.debit-bar {
  display: inline-block;
  height: 6px;
  background: linear-gradient(90deg, var(--current), var(--spring));
  border-radius: 3px;
  vertical-align: middle;
  margin-right: 8px;
}

/* ── Domains grid ── */
.domains-section { margin: 70px 0; opacity: 0; animation: rise 0.8s 1.3s forwards; }

.domains-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 18px;
}
.domain-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 14px;
  padding: 26px 24px;
  backdrop-filter: blur(10px);
  transition: transform 0.3s, box-shadow 0.3s;
  position: relative;
  overflow: hidden;
}
.domain-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--spring), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}
.domain-card:hover { transform: translateY(-4px); box-shadow: 0 12px 32px rgba(0,80,80,0.3); }
.domain-card:hover::after { opacity: 0.8; }
.domain-icon { font-size: 1.9rem; margin-bottom: 14px; display: block; }
.domain-card h3 { font-size: 1.15rem; font-weight: 700; color: var(--foam); margin-bottom: 10px; }
.domain-card p  { font-size: 0.92rem; line-height: 1.75; color: var(--text-muted); }

/* ── Issues section ── */
.issues-section { margin: 70px 0; opacity: 0; animation: rise 0.8s 1.5s forwards; }

.issue-list { display: flex; flex-direction: column; gap: 16px; }
.issue-item {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 20px;
  padding: 20px 22px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  align-items: start;
  transition: border-color 0.3s, transform 0.3s;
}
.issue-item:hover { border-color: rgba(58,204,168,0.45); transform: translateX(5px); }
.issue-icon { font-size: 1.8rem; }
.issue-content h3 { font-size: 1.05rem; font-weight: 700; color: var(--foam); margin-bottom: 6px; }
.issue-content p  { font-size: 0.92rem; line-height: 1.72; color: var(--text-muted); }

/* ── Quote ── */
.quote-band {
  margin: 70px 0;
  padding: 36px 40px;
  background: rgba(26,106,122,0.12);
  border-left: 3px solid var(--spring);
  border-radius: 0 16px 16px 0;
  opacity: 0;
  animation: rise 0.8s 1.7s forwards;
}
.quote-band blockquote {
  font-size: 1.3rem;
  font-style: italic;
  line-height: 1.65;
  color: var(--mist);
  margin-bottom: 14px;
}
.quote-band cite {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.65rem;
  font-weight: 300;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--jade);
}

/* ── Footer ── */
footer {
  margin-top: 80px;
  padding-top: 22px;
  border-top: 1px solid rgba(42,154,138,0.18);
  text-align: center;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.62rem;
  font-weight: 300;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-muted);
  opacity: 0.55;
}

@keyframes rise {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: none; }
}

#hydro-progress {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  width: 0%;
  background: linear-gradient(90deg, var(--teal), var(--spring));
  z-index: 9999;
}

@media (max-width: 720px) {
  .hero-grid { grid-template-columns: 1fr; gap: 30px; }
  .cycle-grid { grid-template-columns: 1fr 1fr; }
  .cycle-arrow { display: none; }
}
@media (max-width: 480px) {
  .cycle-grid { grid-template-columns: 1fr; }
  .hero-stats { grid-template-columns: 1fr; }
}