/* ============================================================
   Metrofauna — marketing site
   Design system + page styles. No framework, no build step.
   Palette and type are the locked brand (see design spec).
   ============================================================ */

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
img, svg { display: block; max-width: 100%; }
input, button, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; }
a { color: inherit; }

/* ---------- Tokens ---------- */
:root {
  /* Brand palette */
  --moss:   #16281B;   /* Deep Moss   */
  --forest: #2C5F2D;   /* Forest Green*/
  --sage:   #97BC62;   /* Sage        */
  --ochre:  #C8892E;   /* Ochre — CTAs*/
  --gold:   #D8B877;   /* Logo Gold   */
  --cream:  #F3EFE4;   /* Cream       */
  --ink:    #1B2A20;   /* Ink         */

  /* Derived */
  --moss-deep: #0f1c13;
  --line:      #dbd3c1;         /* hairlines on cream */
  --ink-soft:  #3a4a3f;         /* secondary text on cream (>=7:1) */
  --cream-soft:#d8d0be;         /* secondary text on moss */

  --ochre-ink: #1B2A20;          /* text that sits ON ochre (5:1) */
  --ochre-deep: #8C5E17;         /* ochre for text ON cream — passes AA (~4.8:1) */

  /* Layout */
  --maxw: 1120px;
  --pad:  clamp(1rem, 4vw, 2rem);
  --section-y: clamp(3.5rem, 8vw, 6rem);

  --radius: 14px;
  --radius-sm: 9px;
  --shadow: 0 10px 30px -12px rgba(15, 28, 19, .28);
  --shadow-sm: 0 2px 10px -4px rgba(15, 28, 19, .25);

  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

/* ---------- Base ---------- */
body {
  font-family: var(--font);
  color: var(--ink);
  background-color: var(--cream);
  background-image: url("assets/contours.svg");
  background-repeat: repeat;
  line-height: 1.65;
  font-size: clamp(1rem, 0.96rem + 0.2vw, 1.075rem);
}

h1, h2, h3 { line-height: 1.12; font-weight: 700; letter-spacing: -0.02em; }
h1 { font-size: clamp(2.1rem, 1.4rem + 3.4vw, 3.6rem); }
h2 { font-size: clamp(1.7rem, 1.2rem + 2.2vw, 2.5rem); }
h3 { font-size: clamp(1.15rem, 1rem + 0.7vw, 1.35rem); }
p  { max-width: 68ch; }

.container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--pad); }

/* ---------- Skip link ---------- */
.skip {
  position: absolute; left: 50%; top: 0; transform: translate(-50%, -120%);
  background: var(--ochre); color: var(--ochre-ink); font-weight: 600;
  padding: .6rem 1rem; border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  z-index: 1000; transition: transform .18s ease;
}
.skip:focus { transform: translate(-50%, 0); outline: 3px solid var(--moss); outline-offset: 2px; }

/* ---------- Focus ---------- */
:focus-visible { outline: 3px solid var(--ochre); outline-offset: 3px; border-radius: 3px; }
.band--dark :focus-visible, .site-header :focus-visible { outline-color: var(--gold); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  font-weight: 600; font-size: 1rem; line-height: 1;
  padding: .85rem 1.4rem; border-radius: 999px; border: 2px solid transparent;
  text-decoration: none; transition: transform .15s ease, background-color .15s ease, box-shadow .15s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn--primary { background: var(--ochre); color: var(--ochre-ink); box-shadow: var(--shadow-sm); }
.btn--primary:hover { background: #b87a22; }
.btn--secondary { background: transparent; color: inherit; border-color: currentColor; }
.band--dark .btn--secondary { color: var(--cream); }
.btn--lg { padding: 1rem 1.7rem; font-size: 1.05rem; }

/* ---------- Wordmark ---------- */
.wordmark { display: inline-flex; align-items: center; gap: .6rem; text-decoration: none; font-weight: 800; letter-spacing: -0.02em; }
.wordmark img { height: 30px; width: auto; }
.site-header .wordmark img { height: 36px; }
.wordmark .mark-text { font-size: 1.35rem; }
.wordmark .mark-text b { font-weight: 800; }
.wordmark .fauna { color: var(--gold); }

/* ============================================================
   Header / nav
   ============================================================ */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: var(--moss); color: var(--cream);
  border-bottom: 1px solid rgba(216,184,119,.18);
}
.site-header .container { display: flex; align-items: center; gap: 1.25rem; min-height: 68px; }
.site-header .wordmark { color: var(--cream); }
.nav { margin-inline-start: auto; }
.nav ul { list-style: none; display: flex; align-items: center; gap: 1.6rem; padding: 0; }
.nav a { text-decoration: none; font-weight: 500; color: var(--cream); opacity: .9; padding: .4rem 0; position: relative; }
.nav a:hover { opacity: 1; }
.nav a::after { content: ""; position: absolute; left: 0; right: 0; bottom: -2px; height: 2px; background: var(--gold); transform: scaleX(0); transform-origin: left; transition: transform .2s ease; }
.nav a:hover::after, .nav a:focus-visible::after { transform: scaleX(1); }
.header-cta { margin-inline-start: .25rem; }

.nav-toggle { display: none; background: transparent; border: 0; color: var(--cream); padding: .5rem; margin-inline-start: auto; }
.nav-toggle svg { width: 26px; height: 26px; }
.nav-toggle .icon-close { display: none; }
.nav-toggle[aria-expanded="true"] .icon-open { display: none; }
.nav-toggle[aria-expanded="true"] .icon-close { display: block; }

@media (max-width: 860px) {
  .nav-toggle { display: inline-flex; }
  .nav { position: fixed; inset: 68px 0 auto 0; margin: 0; background: var(--moss); border-bottom: 1px solid rgba(216,184,119,.18); transform: translateY(-8px); opacity: 0; pointer-events: none; transition: opacity .18s ease, transform .18s ease; }
  .nav[data-open="true"] { opacity: 1; transform: none; pointer-events: auto; }
  .nav ul { flex-direction: column; align-items: stretch; gap: 0; padding: .5rem var(--pad) 1.25rem; }
  .nav li { border-top: 1px solid rgba(216,184,119,.14); }
  .nav a { display: block; padding: .9rem 0; opacity: 1; }
  .nav a::after { display: none; }
  .header-cta { margin: .75rem 0 0; }
  .btn.header-cta { display: inline-flex; }
}

/* ============================================================
   Sections & bands
   ============================================================ */
.section { padding-block: var(--section-y); }
.band--dark { background: var(--moss); color: var(--cream); }
.band--dark p { color: var(--cream-soft); }
.band--forest { background: linear-gradient(160deg, var(--forest), var(--moss)); color: var(--cream); }
.band--forest p { color: var(--cream); }
.eyebrow { text-transform: uppercase; letter-spacing: .16em; font-size: .8rem; font-weight: 700; color: var(--forest); margin-bottom: .9rem; }
.band--dark .eyebrow, .band--forest .eyebrow { color: var(--gold); }
.lead { font-size: clamp(1.05rem, 1rem + 0.5vw, 1.3rem); color: var(--ink-soft); }
.band--dark .lead { color: var(--cream-soft); }
.section-head { max-width: 62ch; }
.section-head h2 { margin-bottom: .75rem; }

/* ============================================================
   Hero
   ============================================================ */
.hero {
  background: radial-gradient(1200px 600px at 75% -10%, rgba(151,188,98,.20), transparent 60%),
              linear-gradient(165deg, var(--moss) 0%, #143a24 100%);
  color: var(--cream);
  min-height: calc(100vh - 68px);
  min-height: calc(100svh - 68px);   /* fill the first screen below the sticky header */
  display: flex; flex-direction: column; justify-content: center;
  padding-top: clamp(1rem, 3vw, 2rem);
  position: relative; overflow: hidden;
}
.hero__inner { max-width: 62ch; }
.hero h1 { color: #fff; }
.hero .sub { margin-top: 1.4rem; font-size: clamp(1.08rem, 1rem + 0.6vw, 1.35rem); color: var(--cream-soft); }
.hero__hook { margin-top: 1.1rem; font-size: clamp(1.15rem, 1rem + 0.7vw, 1.5rem); font-weight: 600; color: var(--gold); letter-spacing: -0.01em; }
.hero .actions { margin-top: 2.2rem; display: flex; flex-wrap: wrap; gap: .9rem; }
.hero__glow { position: absolute; right: -12%; bottom: -30%; width: 55vw; max-width: 620px; aspect-ratio: 1; border-radius: 50%; background: radial-gradient(circle, rgba(216,184,119,.18), transparent 62%); pointer-events: none; }

/* Dusk city skyline strip at the bottom of the green bands */
.skyline { position: absolute; left: 0; right: 0; bottom: 0; width: 100%; height: clamp(100px, 12vw, 165px); object-fit: cover; object-position: center bottom; pointer-events: none; z-index: 0; }
.hero { padding-bottom: clamp(120px, 13vw, 185px); }
.hero .container { position: relative; z-index: 1; }
.band--forest { position: relative; overflow: hidden; padding-bottom: clamp(150px, 18vw, 240px); }
.band--forest .container { position: relative; z-index: 1; }

/* ============================================================
   Pipeline (How it works)
   ============================================================ */
.pipeline { margin-top: 2.6rem; display: grid; gap: 1rem; grid-template-columns: repeat(5, 1fr); list-style: none; padding: 0; }
.step { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 1.4rem 1.2rem; position: relative; box-shadow: var(--shadow-sm); }
.step__num { display: inline-grid; place-items: center; width: 2rem; height: 2rem; border-radius: 50%; background: var(--forest); color: #fff; font-weight: 700; font-size: .95rem; }
.step__icon { width: 30px; height: 30px; color: var(--forest); margin: 1rem 0 .7rem; }
.step h3 { margin-bottom: .35rem; }
.step p { font-size: .95rem; color: var(--ink-soft); max-width: none; }
.pipeline .step:not(:last-child)::after {
  content: ""; position: absolute; top: 50%; right: -0.6rem; width: 1.2rem; height: 2px; background: var(--sage); z-index: 2;
}
@media (max-width: 980px) { .pipeline { grid-template-columns: repeat(2, 1fr); } .pipeline .step::after { display: none; } }
@media (max-width: 560px) { .pipeline { grid-template-columns: 1fr; } }

/* ============================================================
   Features grid
   ============================================================ */
.cards { margin-top: 2.6rem; display: grid; gap: 1.1rem; grid-template-columns: repeat(auto-fit, minmax(255px, 1fr)); }
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 1.6rem 1.5rem; box-shadow: var(--shadow-sm); }
.card__icon { width: 34px; height: 34px; color: var(--ochre); margin-bottom: 1rem; }
.card h3 { margin-bottom: .45rem; }
.card p { font-size: .97rem; color: var(--ink-soft); max-width: none; }

/* ============================================================
   Risk score band + gauge
   ============================================================ */
.risk { display: grid; grid-template-columns: 1.3fr 1fr; gap: clamp(2rem, 5vw, 4rem); align-items: center; }
.gauge { display: grid; place-items: center; gap: .6rem; }
.gauge svg { width: min(280px, 70vw); height: auto; }
.gauge__label { font-weight: 600; color: var(--cream-soft); }
@media (max-width: 780px) { .risk { grid-template-columns: 1fr; } }

/* ============================================================
   Partners callout
   ============================================================ */
.callout { margin-top: 2rem; }
.callout .actions { margin-top: 1.6rem; }

/* ============================================================
   Founder
   ============================================================ */
.founder { display: grid; grid-template-columns: 340px 1fr; gap: clamp(1.8rem, 5vw, 3.5rem); align-items: center; margin-top: 1.5rem; }
.founder__photo { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); background: linear-gradient(160deg, var(--forest), var(--moss)); aspect-ratio: 4 / 5; }
.founder__photo img { width: 100%; height: 100%; object-fit: cover; }
.founder__ph { width: 100%; height: 100%; display: grid; place-items: center; color: var(--cream-soft); text-align: center; padding: 1rem; font-size: .9rem; }
.founder__role { color: var(--forest); font-weight: 600; margin: .1rem 0 1rem; }
.founder__name { margin-bottom: 0; }
@media (max-width: 720px) { .founder { grid-template-columns: 1fr; } .founder__photo { max-width: 320px; } }

/* ============================================================
   Contact form
   ============================================================ */
.contact { display: grid; grid-template-columns: 1fr 1.1fr; gap: clamp(2rem, 5vw, 4rem); align-items: start; }
.contact__intro a { color: var(--gold); font-weight: 600; }
.form { display: grid; gap: 1rem; background: rgba(255,255,255,.04); border: 1px solid rgba(216,184,119,.22); border-radius: var(--radius); padding: clamp(1.25rem, 3vw, 2rem); }
.field { display: grid; gap: .4rem; }
.field label { font-weight: 600; font-size: .95rem; }
.field .req { color: var(--gold); }
.field input, .field textarea {
  background: #fff; color: var(--ink); border: 1px solid var(--line); border-radius: var(--radius-sm);
  padding: .8rem .9rem; width: 100%;
}
.field textarea { min-height: 130px; resize: vertical; }
.field input:focus-visible, .field textarea:focus-visible { outline: 3px solid var(--ochre); outline-offset: 1px; border-color: var(--ochre); }
.form__status { min-height: 1.4rem; font-weight: 600; }
.form__status[data-state="ok"] { color: var(--sage); }
.form__status[data-state="err"] { color: #ffb4a2; }
.row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media (max-width: 880px) { .contact { grid-template-columns: 1fr; } }
@media (max-width: 480px) { .row-2 { grid-template-columns: 1fr; } }

/* ============================================================
   Footer
   ============================================================ */
.site-footer { background: var(--moss-deep); color: var(--cream-soft); padding-block: clamp(2.5rem, 5vw, 3.5rem); }
.site-footer .wordmark { color: var(--cream); margin-bottom: 1rem; }
.footer-grid { display: flex; flex-wrap: wrap; gap: 1.5rem 3rem; align-items: flex-start; justify-content: space-between; }
.site-footer a { color: var(--cream); text-decoration: none; }
.site-footer a:hover { text-decoration: underline; }
.footer-links { display: flex; flex-wrap: wrap; gap: 1.25rem; }
.footer-legal { margin-top: 2rem; padding-top: 1.5rem; border-top: 1px solid rgba(216,184,119,.16); font-size: .9rem; display: flex; flex-wrap: wrap; gap: .5rem 1.5rem; justify-content: space-between; }

/* ============================================================
   Legal pages (terms / accessibility)
   ============================================================ */
.legal { padding-block: var(--section-y); }
.legal .container { max-width: 820px; }
.legal h1 { margin-bottom: .5rem; }
.legal .updated { color: var(--ink-soft); margin-bottom: 2rem; }
.legal h2 { font-size: 1.35rem; margin: 2rem 0 .6rem; }
.legal h3 { font-size: 1.1rem; margin: 1.4rem 0 .4rem; }
.legal p, .legal li { margin-bottom: .8rem; }
.legal ul { padding-inline-start: 1.2rem; }
.legal a { color: var(--forest); font-weight: 600; }
.back-link { display: inline-block; margin-top: 2.5rem; color: var(--forest); font-weight: 600; text-decoration: none; }

/* ============================================================
   Slide figures (the two source slides, shown as-is)
   ============================================================ */
.slide { margin: 0; }
.slide img { width: 100%; height: auto; display: block; border-radius: var(--radius); box-shadow: var(--shadow); border: 1px solid var(--line); }

/* ============================================================
   Hebrew / RTL
   ============================================================ */
:root { --font-he: "Assistant", "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
[dir="rtl"] body { font-family: var(--font-he); }
/* keep the "Metrofauna" wordmark in its Latin brand font even on RTL pages */
[dir="rtl"] .wordmark, [dir="rtl"] .wordmark .mark-text { font-family: var(--font); }
.lang-toggle { text-decoration: none; font-weight: 600; opacity: .85; white-space: nowrap; }
.lang-toggle:hover { opacity: 1; }
.site-header .lang-toggle { color: var(--cream); }

/* ---------- Utilities ---------- */
.hidden { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.center { text-align: center; margin-inline: auto; }

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .btn:hover { transform: none; }
}