/* ============================================================
   Banana Software — company site
   Clean, minimal, warm. One accent: banana yellow.
   ============================================================ */

:root {
  --bg: #fcfbf7;
  --surface: #ffffff;
  --ink: #1c1b18;
  --ink-2: #56534a;
  --ink-3: #7a766a;
  --line: #e9e5da;
  --line-strong: #d8d3c4;
  --banana: #f7b500;
  --banana-deep: #e09e00;
  --banana-soft: #fff6dc;
  --banana-ink: #3d2f00;
  --green: #1a7f37;
  --green-soft: #e6f6ea;
  --dark: #1c1b18;
  --dark-2: #26241f;
  --dark-line: #3a372e;
  --dark-text: #e9e5d8;

  --radius: 14px;
  --radius-sm: 9px;
  --container: 1080px;
  --gutter: clamp(20px, 5vw, 32px);
  --section-y: clamp(72px, 10vw, 120px);

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

/* ---------- Reset ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  touch-action: manipulation;
  -webkit-tap-highlight-color: rgba(28, 27, 24, 0.08);
}

h1, h2, h3, h4 {
  margin: 0;
  line-height: 1.15;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

p {
  margin: 0;
}

a {
  color: inherit;
}

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

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

::selection {
  background: var(--banana);
  color: var(--banana-ink);
}

/* ---------- Layout helpers ---------- */
.container {
  width: min(var(--container), 100% - 2 * var(--gutter));
  margin-inline: auto;
}

.section {
  padding-block: var(--section-y);
}

.section-head {
  max-width: 620px;
  margin-bottom: clamp(40px, 6vw, 64px);
}

.section-head.center {
  margin-inline: auto;
  text-align: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-2);
  margin-bottom: 14px;
}

.eyebrow::before {
  content: "";
  width: 22px;
  height: 2px;
  border-radius: 2px;
  background: var(--banana);
}

.section-head.center .eyebrow::after {
  content: "";
  width: 22px;
  height: 2px;
  border-radius: 2px;
  background: var(--banana);
}

.section-head h2 {
  font-size: clamp(1.9rem, 3.6vw, 2.5rem);
  margin-bottom: 14px;
}

.section-head p {
  color: var(--ink-2);
  font-size: 1.125rem;
}

/* ---------- Skip link ---------- */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  background: var(--ink);
  color: #fff;
  padding: 10px 16px;
  border-radius: 0 0 var(--radius-sm) 0;
  text-decoration: none;
}

.skip-link:focus-visible {
  left: 0;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(252, 251, 247, 0.86);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 68px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}

.brand-mark {
  width: 30px;
  height: 30px;
  color: var(--banana);
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  display: inline-block;
  padding: 8px 13px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: var(--ink-2);
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 160ms ease, background-color 160ms ease;
}

.nav-links a:hover {
  color: var(--ink);
  background: rgba(28, 27, 24, 0.05);
}

.site-header nav {
  display: flex;
  align-items: center;
  gap: 14px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 14px;
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--ink);
  cursor: pointer;
}

.nav-toggle svg {
  width: 20px;
  height: 20px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-family: inherit;
  font-size: 0.98rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 160ms ease, border-color 160ms ease,
    color 160ms ease, transform 160ms ease;
}

.btn-primary {
  background: var(--banana);
  color: var(--banana-ink);
}

.btn-primary:hover {
  background: var(--banana-deep);
}

.btn-secondary {
  background: var(--surface);
  border-color: var(--line-strong);
  color: var(--ink);
}

.btn-secondary:hover {
  border-color: var(--ink);
  background: #f7f5ee;
}

.btn:active {
  transform: translateY(1px);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(84px, 13vw, 150px) clamp(72px, 10vw, 120px);
  text-align: center;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(560px 340px at 50% -120px, rgba(247, 181, 0, 0.16), transparent 70%),
    radial-gradient(420px 300px at 88% 110%, rgba(247, 181, 0, 0.07), transparent 70%);
}

.hero .container {
  position: relative;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: var(--surface);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--ink-2);
  margin-bottom: 26px;
}

.hero-badge .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
}

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4.1rem);
  font-weight: 800;
  max-width: 840px;
  margin-inline: auto;
  margin-bottom: 22px;
}

.hero h1 .accent {
  color: var(--banana-deep);
}

.hero-lede {
  max-width: 640px;
  margin-inline: auto;
  font-size: clamp(1.0625rem, 1.6vw, 1.2rem);
  color: var(--ink-2);
  margin-bottom: 36px;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}

/* ---------- Ecosystem diagram ---------- */
.eco-wrap {
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--surface);
  padding: clamp(28px, 5vw, 52px);
}

.eco-sources {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(16px, 3vw, 28px);
}

.eco-node {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.eco-node .eco-tag {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.eco-node h3 {
  font-size: 1.15rem;
}

.eco-node p {
  font-size: 0.95rem;
  color: var(--ink-2);
  margin: 0;
}

.eco-node .eco-meta {
  font-size: 0.85rem;
  color: var(--ink-3);
  font-variant-numeric: tabular-nums;
}

.eco-merge {
  display: grid;
  place-items: center;
  padding-block: 8px;
  color: var(--ink-2);
}
.eco-merge svg {
  width: clamp(120px, 22vw, 180px);
  height: auto;
}

.eco-hub {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--banana-soft), #fffdf4);
  padding: 24px;
  display: flex;
  align-items: center;
  gap: 18px;
  text-align: left;
}

.eco-hub .eco-icon {
  flex-shrink: 0;
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: var(--banana);
  color: var(--banana-ink);
  display: grid;
  place-items: center;
}

.eco-hub .eco-icon svg {
  width: 24px;
  height: 24px;
}

.eco-hub h3 {
  font-size: 1.2rem;
  margin-bottom: 2px;
}

.eco-hub p {
  font-size: 0.95rem;
  color: var(--ink-2);
  margin: 0;
}

.eco-note {
  margin-top: 22px;
  text-align: center;
  color: var(--ink-2);
  font-size: 0.95rem;
}

/* ---------- Products ---------- */
.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(16px, 2.6vw, 24px);
}

.product-card {
  position: relative;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 26px;
  transition: transform 180ms ease, border-color 180ms ease,
    box-shadow 180ms ease;
}

.product-card:hover {
  transform: translateY(-3px);
  border-color: var(--line-strong);
  box-shadow: 0 14px 34px -18px rgba(28, 27, 24, 0.25);
}

.product-card .card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 18px;
}

.product-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: var(--banana-soft);
  color: var(--banana-deep);
}

.product-icon svg {
  width: 22px;
  height: 22px;
}

.product-icon.dark {
  background: var(--ink);
  color: var(--banana);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.badge-live {
  background: var(--green-soft);
  color: var(--green);
}

.badge-live::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

.badge-soon {
  background: #f0eee6;
  color: var(--ink-3);
}

.product-card h3 {
  font-size: 1.22rem;
  margin-bottom: 4px;
}

.product-card .domain {
  font-size: 0.88rem;
  color: var(--ink-3);
  font-variant-numeric: tabular-nums;
  margin-bottom: 14px;
}

.product-card .desc {
  color: var(--ink-2);
  font-size: 0.97rem;
  margin-bottom: 16px;
}

.product-card ul {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: grid;
  gap: 8px;
  font-size: 0.92rem;
  color: var(--ink-2);
}

.product-card li {
  display: flex;
  align-items: baseline;
  gap: 9px;
}

.product-card li::before {
  content: "";
  flex-shrink: 0;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--banana);
  transform: translateY(-2px);
}

.product-card .card-cta {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--ink);
  text-decoration: none;
}

.product-card .card-cta svg {
  width: 15px;
  height: 15px;
  transition: transform 160ms ease;
}

.product-card .card-cta:hover svg {
  transform: translateX(3px);
}

.product-card .card-cta.soon {
  color: var(--ink-3);
  cursor: default;
}

/* ---------- About ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(28px, 5vw, 56px);
  align-items: start;
}

.about-grid .lead {
  font-size: clamp(1.15rem, 2vw, 1.35rem);
  line-height: 1.55;
  letter-spacing: -0.01em;
  margin-bottom: 18px;
}

.about-grid .body {
  color: var(--ink-2);
  max-width: 54ch;
}

.facts {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 26px;
  display: grid;
  gap: 20px;
}

.facts .fact {
  display: grid;
  gap: 3px;
}

.facts .fact-label {
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.facts .fact-value {
  font-weight: 600;
  font-size: 1.02rem;
  font-variant-numeric: tabular-nums;
}

/* ---------- Contact ---------- */
.contact-panel {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--surface);
  padding: clamp(28px, 5vw, 48px);
}

.contact-panel h2 {
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  margin-bottom: 8px;
}

.contact-panel p {
  color: var(--ink-2);
  max-width: 46ch;
}

.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--dark);
  color: var(--dark-text);
  padding-block: 64px 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: clamp(28px, 5vw, 48px);
  margin-bottom: 48px;
}

.footer-brand .brand {
  color: #fff;
  margin-bottom: 14px;
}

.footer-brand .brand-mark {
  color: var(--banana);
}

.footer-brand p {
  color: #a8a294;
  font-size: 0.95rem;
  max-width: 34ch;
}

.footer-col h4 {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #8d8777;
  margin-bottom: 16px;
}

.footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.footer-col a {
  color: #d6d1c2;
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 150ms ease;
}

.footer-col a:hover {
  color: var(--banana);
}

.footer-bottom {
  border-top: 1px solid var(--dark-line);
  padding-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  justify-content: space-between;
  color: #8d8777;
  font-size: 0.85rem;
}

.footer-bottom .legal {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 8px 24px;
}

/* ---------- Reveal on scroll ---------- */
.js .reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 520ms ease, transform 520ms ease;
}

.js .reveal.in {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

  .js .reveal {
    opacity: 1;
    transform: none;
  }
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .products-grid {
    grid-template-columns: 1fr;
  }

  .about-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 680px) {
  .nav-toggle {
    display: inline-flex;
  }

  .nav-menu {
    display: none;
  }

  .nav-menu.open {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: var(--surface);
    border-bottom: 1px solid var(--line);
    padding: 12px var(--gutter) 18px;
    box-shadow: 0 24px 40px -30px rgba(28, 27, 24, 0.35);
  }

  .nav-menu.open .nav-links {
    display: flex;
    flex-direction: column;
    gap: 2px;
  }

  .nav-menu.open .nav-links a {
    padding: 12px 14px;
    font-size: 1.05rem;
  }

  .nav-menu.open .nav-cta {
    display: flex;
    justify-content: center;
    margin-top: 4px;
  }

  .eco-sources {
    grid-template-columns: 1fr;
  }

  .eco-hub {
    flex-direction: column;
    text-align: center;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }
}