/* ===========================================================
   Water Stewards — shared stylesheet
   =========================================================== */

:root {
  --paper: #FFFFFF;
  --paper-alt: #EAF3F6;
  --ink: #133443;
  --ink-soft: #4B6572;
  --water: #295C73;
  --water-deep: #133443;
  --steward: #55AD57;
  --sky: #90C5D4;
  --clay: #E49030;
  --clay-deep: #C97A22;
  --line: #DCE7EA;
  --line-strong: #BFD3D9;

  --serif: "Albert Sans", "Helvetica Neue", Arial, sans-serif;
  --sans: "Albert Sans", "Helvetica Neue", Arial, sans-serif;
  --mono: "PT Sans", "Helvetica Neue", Arial, sans-serif;

  --max: 1120px;
}

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-family: var(--serif);
  font-weight: 700;
  line-height: 1.15;
  margin: 0;
  color: var(--water-deep);
}

h1 { font-size: clamp(2.1rem, 4.4vw, 3.4rem); letter-spacing: -0.01em; }
h2 { font-size: clamp(1.5rem, 2.6vw, 2rem); }
h3 { font-size: 1.15rem; }

p { margin: 0 0 1em; max-width: 62ch; }
p:last-child { margin-bottom: 0; }

a { color: var(--water); text-decoration-color: var(--line-strong); }
a:hover { text-decoration-color: currentColor; }

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

a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--clay);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
  html { scroll-behavior: auto; }
}

/* Header / nav ------------------------------------------------ */

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 18px;
  padding-bottom: 18px;
}

.wordmark {
  font-family: var(--serif);
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--water-deep);
  text-decoration: none;
  letter-spacing: -0.01em;
  display: inline-flex;
  align-items: center;
  gap: 9px;
}
.wordmark span { color: var(--steward); }
.logo-mark { height: 32px; width: auto; display: block; }
.footer-main .wordmark .logo-mark {
  background: var(--paper);
  border-radius: 7px;
  padding: 4px;
  height: 34px;
}

.main-nav { display: flex; align-items: center; gap: 30px; }
.main-nav > a:not(:first-child) { margin-left: 30px; }
@supports (gap: 1px) { .main-nav > a:not(:first-child) { margin-left: 0; } }
.main-nav a:not(.btn) {
  color: var(--ink);
  text-decoration: none;
  font-size: 0.97rem;
  padding-bottom: 3px;
  border-bottom: 1px solid transparent;
}
.main-nav a:not(.btn):hover { border-bottom-color: var(--ink); }
.main-nav a[aria-current="page"] { border-bottom-color: var(--clay); color: var(--water-deep); }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--line-strong);
  border-radius: 4px;
  width: 40px;
  height: 36px;
  cursor: pointer;
}
.nav-toggle span, .nav-toggle::before, .nav-toggle::after {
  content: "";
  display: block;
  width: 18px;
  height: 1.5px;
  background: var(--ink);
  margin: 3px auto;
}

/* Buttons ------------------------------------------------------ */

.btn {
  display: inline-block;
  font-family: var(--sans);
  font-size: 0.95rem;
  font-weight: 500;
  text-decoration: none;
  padding: 11px 22px;
  border-radius: 3px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}
.btn-primary { background: var(--water-deep); color: var(--paper); }
.btn-primary:hover { background: var(--water); }
.btn-accent { background: var(--clay); color: var(--water-deep); }
.btn-accent:hover { background: var(--clay-deep); color: var(--paper); }
.btn-ghost { background: transparent; border-color: var(--ink); color: var(--ink); }
.btn-ghost:hover { background: var(--ink); color: var(--paper); }

/* Hero ----------------------------------------------------------- */

.hero { padding: 68px 0 56px; }
.hero .wrap { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 48px; align-items: center; }
.hero-copy p.lede { font-size: 1.1rem; color: var(--ink-soft); margin-top: 18px; max-width: 46ch; }
.hero-actions { display: flex; gap: 14px; margin-top: 30px; flex-wrap: wrap; }
.hero-diagram { width: 100%; height: auto; color: var(--water); }

.page-hero { padding: 56px 0 40px; border-bottom: 1px solid var(--line); }
.page-hero .kicker { font-family: var(--mono); font-size: 0.82rem; color: var(--steward); margin-bottom: 10px; }
.page-hero p.lede { color: var(--ink-soft); font-size: 1.05rem; margin-top: 14px; max-width: 60ch; }

/* Sections -------------------------------------------------------- */

section { padding: 56px 0; }
.section-tight { padding: 40px 0; }
.section-alt { background: var(--paper-alt); }
.section-head { margin-bottom: 34px; max-width: 60ch; }
.section-head p { color: var(--ink-soft); margin-top: 10px; }
.rule { border: none; border-top: 1px solid var(--line); margin: 0; }

/* Spec rows --------------------------------------------------------- */

.spec-list { border-top: 1px solid var(--line); }
.spec-row {
  display: grid;
  grid-template-columns: 56px 200px 1fr;
  gap: 24px;
  align-items: start;
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
}
.spec-row .icon { width: 34px; height: 34px; color: var(--water); }
.spec-row .tag { font-family: var(--mono); font-size: 0.78rem; letter-spacing: 0.02em; color: var(--steward); padding-top: 4px; }
.spec-row h3 { margin-bottom: 6px; }
.spec-row p { color: var(--ink-soft); font-size: 0.98rem; }
.spec-row .focus-mark {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--clay-deep);
  border: 1px solid var(--clay);
  border-radius: 3px;
  padding: 1px 6px;
  margin-bottom: 8px;
}

/* Flow diagram -------------------------------------------------------- */

.flow { margin: 8px 0 0; }
.flow svg { width: 100%; height: auto; color: var(--water); }
.flow-caption { display: flex; justify-content: space-between; font-family: var(--mono); font-size: 0.78rem; color: var(--ink-soft); margin-top: 10px; }

/* Callout -------------------------------------------------------------- */

.callout {
  border: 1px solid var(--line-strong);
  border-left: 3px solid var(--steward);
  background: var(--paper-alt);
  padding: 24px 26px;
  border-radius: 2px;
}
.callout h3 { margin-bottom: 8px; }
.callout p { color: var(--ink-soft); }

/* Two-column ------------------------------------------------------------- */

.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }

/* People ------------------------------------------------------------------ */

.person {
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
  display: grid;
  grid-template-columns: 190px 1fr;
  gap: 24px;
}
.person:first-child { border-top: 1px solid var(--line); }
.person .role { font-family: var(--mono); font-size: 0.8rem; color: var(--steward); }
.person h3 { margin: 4px 0 8px; }
.person p { color: var(--ink-soft); }

/* FAQ ----------------------------------------------------------------------- */

.faq-item { padding: 20px 0; border-bottom: 1px solid var(--line); }
.faq-item:first-child { border-top: 1px solid var(--line); }
.faq-item .q { font-weight: 600; color: var(--water-deep); margin-bottom: 6px; }
.faq-item .a { color: var(--ink-soft); }

/* Contact --------------------------------------------------------------------- */

.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; }
.contact-direct dl { margin: 20px 0 0; display: grid; grid-template-columns: auto 1fr; gap: 10px 18px; }
.contact-direct dt { font-family: var(--mono); font-size: 0.8rem; color: var(--steward); padding-top: 3px; }
.contact-direct dd { margin: 0; }

form.contact-form { display: flex; flex-direction: column; gap: 16px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field label { font-size: 0.88rem; color: var(--ink-soft); }
.field input, .field textarea {
  font-family: var(--sans);
  font-size: 1rem;
  padding: 11px 13px;
  border: 1px solid var(--line-strong);
  border-radius: 3px;
  background: #fff;
  color: var(--ink);
}
.field textarea { resize: vertical; min-height: 110px; }
.form-note { font-size: 0.85rem; color: var(--ink-soft); margin-top: -4px; }

/* Footer ------------------------------------------------------------------------ */

.site-footer { background: var(--water-deep); color: var(--paper); margin-top: 40px; }
.footer-cta { padding: 54px 0; border-bottom: 1px solid rgba(243,240,230,0.18); }
.footer-cta .wrap { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.footer-cta h2 { color: var(--paper); max-width: 20ch; }

.footer-main { padding: 40px 0; }
.footer-main .wrap { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 30px; }
.footer-main .wordmark { color: var(--paper); }
.footer-main .wordmark span { color: #B9DE8B; }
.footer-main p { color: rgba(243,240,230,0.72); font-size: 0.92rem; }
.footer-col h4 { font-family: var(--mono); font-size: 0.78rem; color: rgba(243,240,230,0.6); margin-bottom: 12px; font-weight: 500; }
.footer-col a { display: block; color: var(--paper); text-decoration: none; font-size: 0.94rem; margin-bottom: 8px; opacity: 0.88; }
.footer-col a:hover { opacity: 1; text-decoration: underline; }

.footer-bottom { padding: 18px 0 28px; font-size: 0.82rem; color: rgba(243,240,230,0.55); }
.footer-bottom .wrap { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; }

/* Responsive ---------------------------------------------------------------------- */

@media (max-width: 860px) {
  .hero .wrap { grid-template-columns: 1fr; }
  .hero-diagram { order: -1; max-width: 320px; }
  .two-col { grid-template-columns: 1fr; gap: 32px; }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .footer-main .wrap { grid-template-columns: 1fr; }
  .person { grid-template-columns: 1fr; }
  .spec-row { grid-template-columns: 40px 1fr; }
  .spec-row .tag { grid-column: 2; padding-top: 0; }
  .spec-row h3, .spec-row p { grid-column: 2; }
}

@media (max-width: 720px) {
  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    align-items: flex-start;
    padding: 8px 28px 22px;
    gap: 14px;
    display: none;
  }
  .main-nav.open { display: flex; }
  .nav-toggle { display: block; }
}

/* ---------- Video lightbox ("See the platform") ---------- */
.video-modal {
  position: fixed; inset: 0; z-index: 1000;
  display: none; align-items: center; justify-content: center;
  padding: 60px 16px 16px;
  background: rgba(19, 52, 67, 0.88);
}
.video-modal.open { display: flex; }
.video-modal-inner { position: relative; width: 100%; max-width: min(1000px, calc((100vh - 110px) * 16 / 9)); }
.video-frame {
  position: relative; width: 100%; aspect-ratio: 16 / 9;
  background: #000; border-radius: 4px; overflow: hidden;
}
.video-frame iframe, .video-frame > div { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.video-close {
  position: absolute; top: -44px; right: 0;
  background: transparent; border: 1px solid rgba(255,255,255,0.6); color: #fff;
  font: 500 0.9rem var(--sans); padding: 6px 14px; border-radius: 3px; cursor: pointer;
}
.video-close:hover { background: #fff; color: var(--ink); }
body.video-open { overflow: hidden; }