/* ============================================================
   BotUp — Design System
   Palette grounded in vegetation-index imagery: deep field-night
   background, NDVI green as the primary signal, amber used only
   as a sparing soil/yield highlight. Mono face carries coordinates,
   indices, and data labels; Jakarta Sans carries voice.
   ============================================================ */

:root {
  --bg: #0a0f0c;
  --bg-raised: #0e1512;
  --surface: #121a16;
  --surface-2: #16201b;
  --border: #1f2c25;
  --border-soft: #182520;

  --text: #eaf2ec;
  --text-muted: #9fb3a7;
  --text-faint: #6d8278;

  --accent: #7fe0a3;
  --accent-strong: #9ff0bb;
  --accent-dim: #3f6e52;
  --accent-wash: rgba(127, 224, 163, 0.08);

  --amber: #e8b86d;
  --amber-wash: rgba(232, 184, 109, 0.1);

  --radius-sm: 6px;
  --radius: 12px;
  --radius-lg: 20px;

  --maxw: 1180px;

  --font-display: "Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, monospace;

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-display);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a { color: inherit; text-decoration: none; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin: 0;
}

p { margin: 0; color: var(--text-muted); }

ul { margin: 0; padding: 0; list-style: none; }

button { font-family: inherit; cursor: pointer; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

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

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

.eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.eyebrow::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-wash);
}

.eyebrow--muted { color: var(--text-faint); }
.eyebrow--muted::before { background: var(--text-faint); box-shadow: none; }

/* ============================== NAV ============================== */

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(10, 15, 12, 0.86);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-soft);
}

.nav__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 16px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.01em;
  flex-shrink: 0;
}

.nav__logo svg { width: 28px; height: 28px; }

.nav__links {
  display: flex;
  gap: 30px;
  flex: 1;
  justify-content: center;
}

.nav__links a {
  font-size: 14.5px;
  color: var(--text-muted);
  transition: color 0.2s var(--ease);
  position: relative;
  padding: 4px 0;
}

.nav__links a:hover { color: var(--text); }

.nav__links a.is-active { color: var(--accent); }

.nav__links a.is-active::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -3px;
  height: 1.5px;
  background: var(--accent);
}

.nav__cta { flex-shrink: 0; display: flex; align-items: center; gap: 16px; }

.nav__toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  width: 38px; height: 38px;
  align-items: center;
  justify-content: center;
  color: var(--text);
}

.nav__mobile {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: 8px 28px 20px;
  border-top: 1px solid var(--border-soft);
}

.nav__mobile a {
  padding: 12px 4px;
  color: var(--text-muted);
  font-size: 15px;
  border-bottom: 1px solid var(--border-soft);
}

.nav__mobile a.is-active { color: var(--accent); }

.nav.is-open .nav__mobile { display: flex; }

/* ============================== BUTTONS ============================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 14.5px;
  padding: 13px 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: transform 0.18s var(--ease), background 0.18s var(--ease), border-color 0.18s var(--ease), color 0.18s var(--ease);
  white-space: nowrap;
}

.btn--primary {
  background: var(--accent);
  color: #07120c;
}
.btn--primary:hover { background: var(--accent-strong); transform: translateY(-1px); }

.btn--secondary {
  background: transparent;
  border-color: var(--border);
  color: var(--text);
}
.btn--secondary:hover { border-color: var(--accent-dim); color: var(--accent); }

.btn--ghost {
  background: transparent;
  color: var(--accent);
  padding: 13px 4px;
}
.btn--ghost:hover { color: var(--accent-strong); }

.btn--block { width: 100%; }

/* ============================== HERO ============================== */

.hero {
  position: relative;
  padding: 76px 0 88px;
  overflow: hidden;
  border-bottom: 1px solid var(--border-soft);
}

.hero--split .wrap {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}

.hero__eyebrow { margin-bottom: 22px; }

.hero__title {
  font-size: clamp(34px, 4.4vw, 52px);
  margin-bottom: 20px;
}

.hero__title .accent { color: var(--accent); }

.hero__subtitle {
  font-size: 17px;
  max-width: 480px;
  margin-bottom: 32px;
}

.hero__actions { display: flex; gap: 14px; flex-wrap: wrap; }

.hero__visual { position: relative; }

.hero--page {
  padding: 56px 0 64px;
}

.hero--page .hero__title { font-size: clamp(30px, 3.6vw, 42px); max-width: 760px; }
.hero--page .hero__subtitle { max-width: 620px; }

/* Scan-field signature visual */

.scanfield {
  position: relative;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--bg-raised);
  padding: 18px;
}

.scanfield__grid {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 4px;
}

.scanfield__cell {
  aspect-ratio: 1;
  border-radius: 3px;
}

.scanfield__readout {
  display: flex;
  justify-content: space-between;
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-faint);
  letter-spacing: 0.03em;
}

.scanfield__readout span:first-child { color: var(--accent); }

.scanfield::before {
  content: "";
  position: absolute;
  left: 18px; right: 18px; top: 18px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0.7;
  animation: scan 5.5s var(--ease) infinite;
}

@keyframes scan {
  0% { top: 18px; opacity: 0; }
  8% { opacity: 0.8; }
  92% { opacity: 0.8; }
  100% { top: calc(100% - 20px); opacity: 0; }
}

/* ============================== SECTIONS ============================== */

.section { padding: 84px 0; }
.section--tight { padding: 64px 0; }
.section--raised { background: var(--bg-raised); border-top: 1px solid var(--border-soft); border-bottom: 1px solid var(--border-soft); }

.section__header { max-width: 660px; margin-bottom: 48px; }
.section__header.center { margin-left: auto; margin-right: auto; text-align: center; }

.section__title {
  font-size: clamp(26px, 3vw, 34px);
  margin-top: 14px;
}

.section__intro { margin-top: 14px; font-size: 16px; }

/* ============================== GRIDS / CARDS ============================== */

.grid { display: grid; gap: 22px; }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
  transition: border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.card:hover { border-color: var(--accent-dim); transform: translateY(-2px); }

.card__icon {
  width: 40px; height: 40px;
  border-radius: 10px;
  background: var(--accent-wash);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
  color: var(--accent);
}

.card__icon svg { width: 20px; height: 20px; }

.card__title { font-size: 16.5px; margin-bottom: 8px; }
.card__text { font-size: 14.5px; }

/* ============================== STEPS (real sequence) ============================== */

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  position: relative;
}

.step { padding: 0 22px 0 0; position: relative; }

.step__index {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-faint);
  border: 1px solid var(--border);
  border-radius: 999px;
  width: 30px; height: 30px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
}

.step:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 15px;
  left: calc(100% - 8px);
  width: calc(100% - 14px);
  height: 1px;
  background: repeating-linear-gradient(90deg, var(--border) 0 6px, transparent 6px 11px);
}

.step__title { font-size: 15.5px; margin-bottom: 8px; }
.step__text { font-size: 14px; }

/* ============================== INDUSTRY CHIPS ============================== */

.chips { display: flex; flex-wrap: wrap; gap: 10px; }

.chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 10px 16px;
  font-size: 14px;
  color: var(--text-muted);
  background: var(--surface);
}

.chip svg { width: 14px; height: 14px; color: var(--accent); }

/* ============================== BENEFITS ============================== */

.benefit {
  display: flex;
  gap: 16px;
  padding: 22px 0;
  border-top: 1px solid var(--border-soft);
}

.benefit:first-child { border-top: none; }

.benefit__mark {
  flex-shrink: 0;
  width: 34px; height: 34px;
  border-radius: 50%;
  border: 1px solid var(--accent-dim);
  color: var(--accent);
  display: flex; align-items: center; justify-content: center;
}

.benefit__mark svg { width: 16px; height: 16px; }

.benefit__title { font-size: 16px; margin-bottom: 4px; color: var(--text); }
.benefit__text { font-size: 14.5px; }

/* ============================== SOLUTION BLOCKS (Challenge/Solution/Outcomes) ============================== */

.solution {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  margin-bottom: 22px;
  overflow: hidden;
}

.solution__head {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 24px 28px;
  border-bottom: 1px solid var(--border-soft);
}

.solution__head .card__icon { margin-bottom: 0; flex-shrink: 0; }

.solution__head h3 { font-size: 19px; }

.solution__body {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}

.solution__col {
  padding: 24px 28px;
  border-left: 1px solid var(--border-soft);
}

.solution__col:first-child { border-left: none; }

.solution__col .eyebrow { margin-bottom: 10px; font-size: 11px; }
.solution__col p { font-size: 14.5px; color: var(--text-muted); }

/* ============================== TECH LIST ============================== */

.tech-row {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 40px;
  padding: 36px 0;
  border-top: 1px solid var(--border-soft);
}

.tech-row:first-child { border-top: none; padding-top: 0; }

.tech-row__label h3 { font-size: 19px; margin-bottom: 8px; }

.tech-row__body p { font-size: 15px; max-width: 640px; }

.tech-row__body ul { margin-top: 14px; display: grid; gap: 10px; }
.tech-row__body li {
  font-size: 14.5px;
  color: var(--text-muted);
  display: flex;
  gap: 10px;
}
.tech-row__body li strong { color: var(--text); font-weight: 600; }
.tech-row__body li::before {
  content: "";
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--accent);
  margin-top: 7px;
  flex-shrink: 0;
}

/* ============================== FOUNDER / COMPANY ============================== */

.founder {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 36px;
  align-items: start;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 32px;
}

.founder__mark {
  width: 100%;
  aspect-ratio: 1;
  border-radius: var(--radius);
  background: var(--bg-raised);
  border: 1px solid var(--border-soft);
  display: flex;
  align-items: center;
  justify-content: center;
}

.founder__mark svg { width: 64px; height: 64px; color: var(--accent); }

.founder__name { font-size: 20px; margin-bottom: 2px; }
.founder__role { font-family: var(--font-mono); font-size: 12.5px; color: var(--accent); letter-spacing: 0.03em; margin-bottom: 16px; display: block; }
.founder__text { font-size: 15px; }

.values-grid { margin-top: 16px; }

/* ============================== RESOURCES ============================== */

.resource-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  background: var(--surface);
  height: 100%;
}

.resource-card .eyebrow { margin-bottom: 14px; }
.resource-card h3 { font-size: 16px; line-height: 1.4; margin-bottom: 10px; }
.resource-card p { font-size: 14px; }

/* ============================== CONTACT ============================== */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
  align-items: start;
}

.contact-info {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 30px;
}

.contact-info__row {
  padding: 16px 0;
  border-top: 1px solid var(--border-soft);
}
.contact-info__row:first-child { border-top: none; padding-top: 0; }

.contact-info__label { font-family: var(--font-mono); font-size: 11.5px; color: var(--text-faint); letter-spacing: 0.05em; text-transform: uppercase; display: block; margin-bottom: 6px; }
.contact-info__value { font-size: 15.5px; color: var(--text); }
.contact-info__value a { color: var(--accent); }

.form { display: grid; gap: 18px; }

.form__row { display: grid; gap: 18px; grid-template-columns: 1fr 1fr; }

.form__group { display: flex; flex-direction: column; gap: 8px; }

.form__label { font-size: 13px; color: var(--text-muted); }

.form__input, .form__select, .form__textarea {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  font-family: var(--font-display);
  font-size: 14.5px;
  color: var(--text);
}

.form__input:focus, .form__select:focus, .form__textarea:focus {
  border-color: var(--accent-dim);
}

.form__textarea { resize: vertical; min-height: 120px; }

.form__note { font-size: 13px; color: var(--text-faint); margin-top: -4px; }

.form__status { font-size: 14px; min-height: 20px; }
.form__status.is-visible { color: var(--accent); }

/* ============================== CLOSING CTA ============================== */

.closing {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, var(--surface), var(--bg-raised));
  padding: 56px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.closing__title { font-size: clamp(24px, 3vw, 32px); margin-bottom: 14px; }
.closing__text { max-width: 520px; margin: 0 auto 28px; }
.closing__actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ============================== FOOTER ============================== */

.footer {
  border-top: 1px solid var(--border-soft);
  padding: 56px 0 28px;
}

.footer__top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
}

.footer__brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 17px; margin-bottom: 14px; }
.footer__brand svg { width: 24px; height: 24px; }
.footer__desc { font-size: 14px; max-width: 280px; }

.footer__heading { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--text-faint); margin-bottom: 16px; }

.footer__links { display: grid; gap: 11px; }
.footer__links a { font-size: 14.5px; color: var(--text-muted); transition: color 0.2s var(--ease); }
.footer__links a:hover { color: var(--accent); }

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 26px;
  border-top: 1px solid var(--border-soft);
  font-size: 13px;
  color: var(--text-faint);
  flex-wrap: wrap;
  gap: 12px;
}

/* ============================== RESPONSIVE ============================== */

@media (max-width: 980px) {
  .hero--split .wrap { grid-template-columns: 1fr; }
  .hero__visual { order: -1; max-width: 420px; }
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); gap: 32px 0; }
  .step:nth-child(2)::after { display: none; }
  .footer__top { grid-template-columns: 1.2fr 1fr 1fr; }
  .tech-row { grid-template-columns: 1fr; gap: 14px; }
  .contact-grid { grid-template-columns: 1fr; }
  .founder { grid-template-columns: 140px 1fr; }
}

@media (max-width: 760px) {
  .nav__links { display: none; }
  .nav__toggle { display: flex; }
  .solution__body { grid-template-columns: 1fr; }
  .solution__col { border-left: none; border-top: 1px solid var(--border-soft); }
  .solution__col:first-child { border-top: none; }
}

@media (max-width: 640px) {
  .grid--4, .grid--3, .grid--2 { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .step::after { display: none; }
  .footer__top { grid-template-columns: 1fr; gap: 28px; }
  .founder { grid-template-columns: 1fr; }
  .founder__mark { max-width: 120px; }
  .form__row { grid-template-columns: 1fr; }
  .closing { padding: 36px 22px; }
  .section { padding: 60px 0; }
  .hero, .hero--page { padding: 48px 0 56px; }
}