/* ============================================================
   Sincere Aqua — sincereaqua.com
   Light, tech-forward design in the brand's orange + blue palette
   ("We bring biomass insights")
   ============================================================ */

:root {
  --bg: #f5f8fc;
  --bg-alt: #ffffff;
  --navy-950: #0a2342;   /* darkest brand navy (footer, dash panels) */
  --navy-900: #0f2d55;
  --navy-800: #123765;
  --blue-600: #1a4e8f;   /* brand royal blue */
  --blue-400: #69a5f0;
  --orange-500: #f0730f; /* brand orange */
  --orange-600: #e2660a; /* accessible orange for text on white */
  --orange-400: #ff8c2e;
  --ink: #12335e;        /* headings / body text (navy) */
  --ink-dim: #47617f;
  --ink-faint: #7a8ea5;
  --card: #ffffff;
  --card-border: rgba(26, 78, 143, 0.14);
  --card-border-hover: rgba(240, 115, 15, 0.55);
  --shadow-soft: 0 10px 34px rgba(18, 51, 94, 0.08);
  --shadow-lift: 0 22px 54px rgba(18, 51, 94, 0.14);
  --radius: 14px;
  --font-head: "Space Grotesk", "Segoe UI", system-ui, sans-serif;
  --font-body: "Inter", "Segoe UI", system-ui, sans-serif;
  --maxw: 1160px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* Subtle tech grid over the whole page */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(26, 78, 143, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(26, 78, 143, 0.045) 1px, transparent 1px);
  background-size: 44px 44px;
  pointer-events: none;
  z-index: 0;
}

main { position: relative; z-index: 1; }

h1, h2, h3, h4 { font-family: var(--font-head); font-weight: 600; line-height: 1.15; color: var(--ink); }

a { color: var(--orange-600); text-decoration: none; }
a:hover { color: var(--orange-500); }

img, svg { max-width: 100%; display: block; }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

section { padding: 96px 0; position: relative; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-head);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--orange-600);
  margin-bottom: 18px;
}
.eyebrow::before {
  content: "";
  width: 28px; height: 2px;
  background: var(--orange-500);
  border-radius: 2px;
}

.section-title { font-size: clamp(1.7rem, 3.6vw, 2.6rem); margin-bottom: 16px; }
.section-lead { color: var(--ink-dim); font-size: 1.08rem; max-width: 640px; }

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(26, 78, 143, 0.12);
}
.nav-wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand img { height: 46px; width: auto; }

.nav-links { display: flex; align-items: center; gap: 30px; list-style: none; }
.nav-links a {
  font-family: var(--font-head);
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--ink-dim);
  letter-spacing: 0.02em;
  transition: color 0.2s;
}
.nav-links a:hover, .nav-links a.active { color: var(--orange-600); }
.nav-links a.active { font-weight: 600; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 13px 26px;
  border-radius: 10px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s, border-color 0.2s;
}
.btn-primary {
  background: linear-gradient(135deg, #ff8c2e, #e05f00);
  color: #ffffff;
  box-shadow: 0 6px 22px rgba(240, 115, 15, 0.35);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 30px rgba(240, 115, 15, 0.45); color: #ffffff; }
.btn-ghost {
  background: transparent;
  color: var(--blue-600);
  border-color: rgba(26, 78, 143, 0.35);
}
.btn-ghost:hover { border-color: var(--blue-600); background: rgba(26, 78, 143, 0.06); transform: translateY(-2px); color: var(--blue-600); }
.btn-sm { padding: 9px 18px; font-size: 0.85rem; }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 40px; height: 40px;
  position: relative;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  content: "";
  position: absolute;
  left: 8px;
  width: 24px; height: 2px;
  background: var(--blue-600);
  transition: transform 0.25s, opacity 0.25s;
}
.nav-toggle span { top: 19px; }
.nav-toggle span::before { left: 0; top: -7px; }
.nav-toggle span::after { left: 0; top: 7px; }

/* ---------- Hero ---------- */
.hero {
  padding: 190px 0 110px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  top: -300px; right: -200px;
  width: 800px; height: 800px;
  background: radial-gradient(circle, rgba(240, 115, 15, 0.10), transparent 62%);
  pointer-events: none;
}
.hero::after {
  content: "";
  position: absolute;
  bottom: -350px; left: -250px;
  width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(26, 78, 143, 0.08), transparent 65%);
  pointer-events: none;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 64px;
  align-items: center;
  position: relative;
  z-index: 1;
}
.hero h1 {
  font-size: clamp(2.3rem, 5vw, 3.6rem);
  letter-spacing: -0.02em;
  margin-bottom: 22px;
}
.hero h1 .accent {
  background: linear-gradient(90deg, #f0730f, #ff8c2e);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero p.lead { color: var(--ink-dim); font-size: 1.15rem; max-width: 540px; margin-bottom: 36px; }
.hero-ctas { display: flex; gap: 16px; flex-wrap: wrap; }

.hero-page { padding: 175px 0 40px; }
.hero-page h1 { font-size: clamp(2.1rem, 4.5vw, 3.1rem); margin-bottom: 18px; }

/* ---------- Dashboard mockup (stays navy, like the brand material) ---------- */
.dash {
  background: linear-gradient(160deg, #10315f, #0a2342);
  border: 1px solid rgba(26, 78, 143, 0.35);
  border-radius: 18px;
  box-shadow: var(--shadow-lift);
  overflow: hidden;
}
.dash-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 13px 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  font-family: var(--font-head);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #8fa9cc;
}
.dash-bar .dot { width: 9px; height: 9px; border-radius: 50%; background: var(--orange-500); box-shadow: 0 0 10px var(--orange-500); animation: pulse 2.2s infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.35; } }
.dash-body { padding: 22px; display: grid; gap: 16px; }
.dash-stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.dash-stat-hero { grid-column: 1 / -1; text-align: center; padding: 18px 16px; }
.dash-stat-hero .k { font-size: 2.15rem; }
.dash-stat-hero .l { font-size: 0.74rem; margin-top: 4px; }
.dash-stat {
  background: rgba(6, 20, 41, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  padding: 14px 16px;
}
.dash-stat .k { font-family: var(--font-head); font-size: 1.35rem; font-weight: 700; color: #ff9d47; }
.dash-stat .l { font-size: 0.68rem; letter-spacing: 0.12em; text-transform: uppercase; color: #8fa9cc; margin-top: 2px; }
.dash-chart { background: rgba(6, 20, 41, 0.55); border: 1px solid rgba(255, 255, 255, 0.08); border-radius: 10px; padding: 16px; }
.dash-chart .t { font-size: 0.7rem; letter-spacing: 0.12em; text-transform: uppercase; color: #8fa9cc; margin-bottom: 10px; }

/* ---------- Stats band ---------- */
.stats-band { padding: 0 0 96px; }
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.stat-card {
  text-align: center;
  padding: 34px 18px;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}
.stat-card .num {
  font-family: var(--font-head);
  font-size: clamp(1.9rem, 3.4vw, 2.7rem);
  font-weight: 700;
  color: var(--blue-600);
}
.stat-card .lbl { color: var(--ink-dim); font-size: 0.92rem; margin-top: 6px; }

/* ---------- Cards ---------- */
.cards-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 54px; }
.card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 32px 28px;
  box-shadow: var(--shadow-soft);
  transition: transform 0.25s, border-color 0.25s, box-shadow 0.25s;
  display: flex;
  flex-direction: column;
}
.card:hover { transform: translateY(-6px); border-color: var(--card-border-hover); box-shadow: var(--shadow-lift); }
.card .icon {
  width: 52px; height: 52px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: rgba(240, 115, 15, 0.10);
  border: 1px solid rgba(240, 115, 15, 0.28);
  margin-bottom: 20px;
  color: var(--orange-600);
}
.card h3 { font-size: 1.22rem; margin-bottom: 10px; }
.card p { color: var(--ink-dim); font-size: 0.97rem; }
.card .card-link { margin-top: auto; padding-top: 18px; font-family: var(--font-head); font-size: 0.9rem; font-weight: 600; }

/* ---------- Product cards ---------- */
.product-card { position: relative; overflow: hidden; }
.product-card .tag {
  position: absolute;
  top: 20px; right: 20px;
  font-family: var(--font-head);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--orange-600);
  border: 1px solid rgba(240, 115, 15, 0.4);
  border-radius: 100px;
  padding: 5px 12px;
  background: rgba(240, 115, 15, 0.07);
}
.product-card .model {
  font-family: var(--font-head);
  font-size: 1.9rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 4px;
  color: var(--blue-600);
}
.product-card .model .sc { color: var(--orange-500); }
.product-card .subtitle { color: var(--ink-faint); font-size: 0.9rem; margin-bottom: 22px; }
.speclist { list-style: none; display: grid; gap: 10px; margin-bottom: 8px; }
.speclist li {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 0.93rem;
  padding-bottom: 10px;
  border-bottom: 1px dashed rgba(26, 78, 143, 0.18);
}
.speclist .k { color: var(--ink-faint); }
.speclist .v { font-family: var(--font-head); font-weight: 600; color: var(--ink); text-align: right; }

/* ---------- Steps / How it works ---------- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 54px; counter-reset: step; }
.step {
  position: relative;
  padding: 34px 28px 30px;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}
.step::before {
  counter-increment: step;
  content: "0" counter(step);
  font-family: var(--font-head);
  font-size: 2.6rem;
  font-weight: 700;
  color: transparent;
  -webkit-text-stroke: 1.5px rgba(240, 115, 15, 0.55);
  display: block;
  margin-bottom: 14px;
}
.step h3 { font-size: 1.15rem; margin-bottom: 8px; }
.step p { color: var(--ink-dim); font-size: 0.95rem; }

/* ---------- Split sections ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.split.rev > :first-child { order: 2; }
.checklist { list-style: none; display: grid; gap: 14px; margin-top: 26px; }
.checklist li { display: flex; gap: 14px; align-items: flex-start; color: var(--ink-dim); }
.checklist li strong { color: var(--ink); }
.checklist .chk {
  flex: 0 0 auto;
  width: 22px; height: 22px;
  margin-top: 2px;
  border-radius: 6px;
  display: grid;
  place-items: center;
  background: rgba(240, 115, 15, 0.12);
  border: 1px solid rgba(240, 115, 15, 0.4);
  color: var(--orange-600);
  font-size: 0.75rem;
}

/* ---------- Comparison table (royal blue header, like the datasheets) ---------- */
.table-wrap { overflow-x: auto; margin-top: 54px; border: 1px solid var(--card-border); border-radius: var(--radius); background: var(--card); box-shadow: var(--shadow-soft); }
table.compare { width: 100%; border-collapse: collapse; min-width: 640px; }
table.compare th, table.compare td { padding: 16px 20px; text-align: left; font-size: 0.95rem; }
table.compare thead th {
  font-family: var(--font-head);
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #ffffff;
  background: var(--blue-600);
}
table.compare tbody tr:nth-child(even) td { background: rgba(26, 78, 143, 0.045); }
table.compare tbody tr + tr td { border-top: 1px solid rgba(26, 78, 143, 0.08); }
table.compare td:first-child { color: var(--ink-faint); }
table.compare td { color: var(--ink); }
table.compare td strong { font-family: var(--font-head); color: var(--orange-600); }

/* ---------- CTA band (navy block, like the brand material) ---------- */
.cta-band {
  margin: 0 24px;
}
.cta-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  text-align: center;
  padding: 76px 32px;
  border-radius: 22px;
  background:
    radial-gradient(600px 300px at 50% -20%, rgba(240, 115, 15, 0.25), transparent),
    linear-gradient(160deg, #123765, #0a2342);
  border: 1px solid rgba(26, 78, 143, 0.35);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lift);
}
.cta-inner h2 { font-size: clamp(1.7rem, 3.4vw, 2.5rem); margin-bottom: 14px; color: #ffffff; }
.cta-inner p { color: #b9cbe2; max-width: 560px; margin: 0 auto 34px; }
.cta-inner .eyebrow { color: var(--orange-400); }

/* ---------- Timeline (about) ---------- */
.timeline { position: relative; margin-top: 54px; display: grid; gap: 0; }
.timeline::before {
  content: "";
  position: absolute;
  left: 10px; top: 8px; bottom: 8px;
  width: 2px;
  background: linear-gradient(var(--orange-500), rgba(240, 115, 15, 0.06));
}
.tl-item { position: relative; padding: 0 0 42px 48px; }
.tl-item::before {
  content: "";
  position: absolute;
  left: 3px; top: 6px;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: #ffffff;
  border: 3px solid var(--orange-500);
  box-shadow: 0 0 0 4px rgba(240, 115, 15, 0.15);
}
.tl-item .year { font-family: var(--font-head); font-weight: 700; color: var(--orange-600); letter-spacing: 0.08em; font-size: 0.95rem; }
.tl-item h3 { font-size: 1.15rem; margin: 4px 0 6px; }
.tl-item p { color: var(--ink-dim); font-size: 0.97rem; max-width: 640px; }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; margin-top: 54px; }
.contact-card { display: flex; gap: 18px; align-items: flex-start; }
.contact-card .icon { flex: 0 0 auto; }
.contact-card h3 { font-size: 1.05rem; margin-bottom: 4px; }
.contact-card p, .contact-card a { font-size: 0.97rem; color: var(--ink-dim); }
.contact-card a { color: var(--orange-600); }

/* ---------- Footer (navy, like the brand material) ---------- */
.site-footer {
  border-top: 3px solid var(--orange-500);
  background: linear-gradient(160deg, #0f2d55, #0a2342);
  padding: 64px 0 34px;
  position: relative;
  z-index: 1;
  color: #b9cbe2;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 46px;
}
.footer-grid h4 {
  font-size: 0.8rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--orange-400);
  margin-bottom: 16px;
}
.footer-grid ul { list-style: none; display: grid; gap: 10px; }
.footer-grid a, .footer-grid p { color: #b9cbe2; font-size: 0.93rem; }
.footer-grid a:hover { color: #ffffff; }
.footer-brand img { height: 48px; margin-bottom: 16px; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-top: 26px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  color: #8fa9cc;
  font-size: 0.85rem;
}
.footer-bottom a { color: #b9cbe2; }
.footer-bottom a:hover { color: #ffffff; }

/* ---------- Photos & video ---------- */
.photo-frame {
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid var(--card-border);
  box-shadow: var(--shadow-lift);
  background: #ffffff;
}
.photo-frame img { width: 100%; height: 100%; object-fit: cover; }
.dash .photo-frame, .dash img.product { border: 0; border-radius: 0; box-shadow: none; }

.vs-note { color: var(--ink-faint); font-size: 0.85rem; margin-top: 12px; }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .hero-grid, .split { grid-template-columns: 1fr; gap: 44px; }
  .split.rev > :first-child { order: 0; }
  .cards-3, .steps { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }

  .nav-toggle { display: block; }
  .nav-links {
    position: fixed;
    top: 72px; left: 0; right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    background: #ffffff;
    border-bottom: 1px solid rgba(26, 78, 143, 0.15);
    box-shadow: 0 30px 60px rgba(18, 51, 94, 0.18);
    padding: 12px 24px 20px;
    display: none;
    z-index: 99;
  }
  .nav-links.open { display: flex; }
  .nav-links li { width: 100%; }
  .nav-links a { display: block; padding: 13px 0; font-size: 1.05rem; }
  .nav-cta-desktop { display: none; }
}

@media (max-width: 560px) {
  section { padding: 72px 0; }
  .hero { padding: 150px 0 80px; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .dash-stats { grid-template-columns: 1fr 1fr; }
}

/* ---------- Legal pages ---------- */
.legal { max-width: 800px; }
.legal h2 { font-size: 1.35rem; margin: 44px 0 14px; color: var(--blue-600); }
.legal h3 { font-size: 1.05rem; margin: 26px 0 10px; }
.legal p, .legal li { color: var(--ink-dim); font-size: 0.97rem; margin-bottom: 12px; }
.legal ul { padding-left: 22px; margin-bottom: 14px; }
.legal .updated { color: var(--ink-faint); font-size: 0.85rem; margin-bottom: 34px; }
.footer-legal { display: flex; gap: 14px; flex-wrap: wrap; }

/* ---------- Contact highlight ---------- */
@keyframes flashcard {
  0%, 100% { box-shadow: var(--shadow-soft); border-color: var(--card-border); }
  50% { box-shadow: 0 0 0 5px rgba(240, 115, 15, 0.28); border-color: var(--orange-500); }
}
.contact-card.flash { animation: flashcard 1.1s ease 2; }

/* ---------- FAQ ---------- */
.faq-item {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  padding: 0 24px;
}
.faq-item summary {
  cursor: pointer;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 1.02rem;
  padding: 18px 0;
  list-style: none;
  position: relative;
  padding-right: 34px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 4px; top: 50%;
  transform: translateY(-50%);
  font-size: 1.4rem;
  color: var(--orange-500);
  transition: transform 0.2s;
}
.faq-item[open] summary::after { content: "–"; }
.faq-item > p { color: var(--ink-dim); padding: 0 0 18px; font-size: 0.97rem; }

/* Live pulse ticker — "Shrimp counted today" */
[data-ticker] { display: inline-block; }
.tick-pulse { animation: tickPulse 1.4s ease; }
@keyframes tickPulse {
  0%   { transform: scale(1); text-shadow: none; }
  25%  { transform: scale(1.14); color: #ffb46e; text-shadow: 0 0 20px rgba(255, 140, 46, 0.65); }
  100% { transform: scale(1); text-shadow: none; }
}