/* ==========================================================================
   Cordyx — Landing page
   ========================================================================== */

:root {
  --bg-dark: #14171F;
  --bg-dark-raise: #1B1F29;
  --bg-light-1: #E9E6DD;
  --bg-light-2: #DFDBCE;

  --ink-on-dark: #EDEBE4;
  --ink-on-dark-mute: #A7ACB9;
  --ink-on-light: #14171F;
  --ink-on-light-mute: #5B5D57;

  --bronze: #B8834A;
  --bronze-light: #D79A55;
  --steel: #3E5C76;

  --hairline-dark: rgba(237, 235, 228, 0.12);
  --hairline-light: rgba(20, 23, 31, 0.12);

  --font-display: "Space Grotesk", "Inter", sans-serif;
  --font-body: "Inter", sans-serif;
  --font-mono: "JetBrains Mono", monospace;

  --radius-sm: 3px;
  --radius-md: 6px;

  --container-w: 1180px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink-on-light);
  background: var(--bg-light-1);
  -webkit-font-smoothing: antialiased;
  line-height: 1.55;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4 { margin: 0; font-family: var(--font-display); }
p { margin: 0; }
button { font: inherit; cursor: pointer; }
input { font: inherit; }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--bronze);
  color: #14171F;
  padding: 10px 16px;
  z-index: 200;
  border-radius: var(--radius-sm);
}
.skip-link:focus {
  left: 12px;
  top: 12px;
}

:focus-visible {
  outline: 2px solid var(--bronze);
  outline-offset: 2px;
}

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

/* ---------- Type helpers ---------- */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--bronze-light);
  margin: 0 0 18px;
}
.eyebrow-dark { color: var(--bronze); }

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

.section-title {
  font-size: clamp(1.6rem, 2.4vw, 2.1rem);
  font-weight: 600;
  margin: 0 0 48px;
  color: var(--ink-on-light);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 14px 26px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease, transform 0.1s ease;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }

.btn-primary {
  background: var(--bronze);
  color: #14171F;
}
.btn-primary:hover { background: var(--bronze-light); }

.btn-outline {
  background: transparent;
  border-color: var(--ink-on-dark-mute);
  color: var(--ink-on-dark);
}
.btn-outline:hover { border-color: var(--bronze-light); color: var(--bronze-light); }

.btn-small { padding: 10px 18px; font-size: 0.74rem; }

/* ---------- Nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(20, 23, 31, 0.72);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--hairline-dark);
}
.nav-inner {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 18px 24px;
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 0.04em;
  color: var(--ink-on-dark);
  margin-right: auto;
}
.nav-links {
  display: flex;
  gap: 28px;
}
.nav-links a {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--ink-on-dark-mute);
  transition: color 0.15s ease;
}
.nav-links a:hover { color: var(--ink-on-dark); }

.nav-cta { flex-shrink: 0; }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 34px;
  height: 34px;
  background: none;
  border: none;
  padding: 0;
}
.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--ink-on-dark);
  border-radius: 2px;
}

/* ---------- Hero ---------- */
.hero {
  background: var(--bg-dark);
  color: var(--ink-on-dark);
  overflow: hidden;
}
.hero-inner {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 88px 24px 96px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 440px);
  gap: 48px;
  align-items: center;
}
.hero-headline {
  font-size: clamp(2.1rem, 4.4vw, 3.4rem);
  line-height: 1.15;
  font-weight: 600;
  color: var(--ink-on-dark);
  margin: 0 0 24px;
  max-width: 16ch;
}
.hero-sub {
  font-size: 1.05rem;
  color: var(--ink-on-dark-mute);
  max-width: 46ch;
  margin: 0 0 36px;
}
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ---------- Orbit diagram ---------- */
.orbit-diagram {
  width: 100%;
  max-width: 420px;
}

.ring {
  fill: none;
  stroke: var(--hairline-dark);
  stroke-width: 1;
}
.ring-mid { stroke: rgba(184, 131, 74, 0.18); }
.ring-outer { stroke-dasharray: 2 6; }

.core-circle {
  fill: var(--bg-dark-raise);
  stroke: var(--bronze);
  stroke-width: 1.25;
}
.core-label {
  fill: var(--ink-on-dark);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
}

.core-pulse {
  transform-origin: 0 0;
  animation: core-pulse 4.5s ease-in-out infinite;
}
@keyframes core-pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.045); }
}

.node-dot { stroke: none; }
.node-active { fill: var(--bronze-light); }
.node-ghost { fill: var(--bg-dark); stroke: var(--ink-on-dark-mute); stroke-width: 1; stroke-dasharray: 2 2; }

.node-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.05em;
  dominant-baseline: middle;
}
.node-label-active { fill: var(--ink-on-dark); }
.node-label-ghost { fill: var(--ink-on-dark-mute); }

.orbit-static, .orbit-anim, .label-anim, .label-static {
  transform-origin: 0 0;
  transform-box: view-box;
}

.orbit-anim.spin-cw { animation-name: spin-cw; animation-timing-function: linear; animation-iteration-count: infinite; }
.orbit-anim.spin-ccw { animation-name: spin-ccw; animation-timing-function: linear; animation-iteration-count: infinite; }
.label-anim.spin-cw { animation-name: spin-cw; animation-timing-function: linear; animation-iteration-count: infinite; }
.label-anim.spin-ccw { animation-name: spin-ccw; animation-timing-function: linear; animation-iteration-count: infinite; }

@keyframes spin-cw { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
@keyframes spin-ccw { from { transform: rotate(0deg); } to { transform: rotate(-360deg); } }

/* ---------- Manifesto ---------- */
.manifesto {
  background: var(--bg-light-2);
  padding: 96px 24px;
  border-bottom: 1px solid var(--hairline-light);
}
.manifesto-text {
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 2.6vw, 1.9rem);
  font-weight: 500;
  line-height: 1.4;
  color: var(--ink-on-light);
}

/* ---------- Produtos ---------- */
.produtos {
  background: var(--bg-light-1);
  padding: 104px 0;
}
.produtos-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 24px;
}

.card {
  border-radius: var(--radius-md);
  padding: 40px;
}
.card-title {
  font-size: 1.7rem;
  font-weight: 600;
  margin: 12px 0 16px;
}
.card-desc {
  max-width: 44ch;
}

.tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--bronze-light);
  margin: 0;
}

.card-product-main {
  background: var(--bg-dark);
  color: var(--ink-on-dark);
}
.card-product-main .card-desc { color: var(--ink-on-dark-mute); }
.card-link {
  display: inline-block;
  margin-top: 28px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--bronze-light);
  border-bottom: 1px solid transparent;
  transition: border-color 0.15s ease;
}
.card-link:hover { border-color: var(--bronze-light); }

.card-product-next {
  background: transparent;
  border: 1px dashed var(--ink-on-light-mute);
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.card-product-next .tag { color: var(--bronze); }
.card-product-next .card-desc { color: var(--ink-on-light-mute); }

/* ---------- O que fazemos ---------- */
.solucoes {
  background: var(--bg-light-2);
  padding: 104px 0;
  border-top: 1px solid var(--hairline-light);
  border-bottom: 1px solid var(--hairline-light);
}
.solucoes-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}
.code-tag {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--steel);
  margin: 0 0 14px;
}
.solucao-title {
  font-size: 1.15rem;
  font-weight: 600;
  margin: 0 0 10px;
}
.solucao-desc { color: var(--ink-on-light-mute); }

/* ---------- Como trabalhamos ---------- */
.processo {
  background: var(--bg-light-1);
  padding: 104px 0;
}
.processo-lista {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.processo-item {
  padding: 0 28px;
  border-left: 1px solid var(--hairline-light);
}
.processo-item:first-child { border-left: none; padding-left: 0; }
.processo-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--bronze);
  margin-bottom: 16px;
}
.processo-title {
  font-size: 1.05rem;
  font-weight: 600;
  margin: 0 0 10px;
}
.processo-desc {
  color: var(--ink-on-light-mute);
  font-size: 0.94rem;
}

/* ---------- Para quem é ---------- */
.fit {
  background: var(--bg-dark);
  color: var(--ink-on-dark);
  padding: 104px 0;
}
.fit-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
}
.fit-title {
  font-size: 1.3rem;
  font-weight: 600;
  margin: 0 0 28px;
  color: var(--bronze-light);
}
.fit-title-neutral { color: var(--ink-on-dark-mute); }
.fit-list li {
  display: flex;
  gap: 14px;
  padding: 14px 0;
  border-top: 1px solid var(--hairline-dark);
  color: var(--ink-on-dark);
}
.fit-list li:last-child { border-bottom: 1px solid var(--hairline-dark); }
.fit-icon {
  font-family: var(--font-mono);
  flex-shrink: 0;
}
.fit-list-yes .fit-icon { color: var(--bronze); }
.fit-list-no .fit-icon { color: var(--ink-on-dark-mute); }
.fit-list-no li { color: var(--ink-on-dark-mute); }

/* ---------- CTA final ---------- */
.cta-final {
  background: var(--bg-light-2);
  padding: 104px 0;
}
.cta-inner { max-width: 640px; text-align: center; }
.cta-title {
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  font-weight: 600;
  margin: 0 0 16px;
}
.cta-sub {
  color: var(--ink-on-light-mute);
  margin-bottom: 40px;
}
.cta-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
  text-align: left;
}
.form-row {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.form-label {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-on-light-mute);
}
.form-input {
  border: 1px solid var(--hairline-light);
  background: var(--bg-light-1);
  border-radius: var(--radius-sm);
  padding: 13px 14px;
  color: var(--ink-on-light);
}
.form-input:focus { border-color: var(--bronze); }
.cta-submit { align-self: flex-start; margin-top: 8px; }
.form-feedback {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--steel);
  min-height: 1em;
}

/* ---------- Footer ---------- */
.footer {
  background: var(--bg-dark);
  color: var(--ink-on-dark-mute);
  padding: 48px 0;
}
.footer-inner {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 24px;
  justify-content: space-between;
}
.footer-logo {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--ink-on-dark);
}
.footer-links {
  display: flex;
  gap: 24px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
}
.footer-links a:hover { color: var(--ink-on-dark); }
.footer-copy {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  width: 100%;
  order: 3;
  padding-top: 24px;
  border-top: 1px solid var(--hairline-dark);
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .core-pulse,
  .orbit-anim,
  .label-anim {
    animation: none !important;
  }
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; padding-top: 56px; }
  .hero-visual { order: -1; max-width: 280px; margin: 0 auto 24px; }
  .produtos-grid { grid-template-columns: 1fr; }
  .solucoes-grid { grid-template-columns: 1fr; gap: 48px; }
  .processo-lista { grid-template-columns: 1fr 1fr; row-gap: 40px; }
  .processo-item:nth-child(3) { border-left: none; padding-left: 0; }
  .fit-grid { grid-template-columns: 1fr; gap: 48px; }
}

@media (max-width: 720px) {
  .nav-links, .nav-cta { display: none; }
  .nav-toggle { display: flex; }

  .nav.nav-open .nav-links {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-dark);
    padding: 20px 24px;
    border-bottom: 1px solid var(--hairline-dark);
    gap: 18px;
  }
  .nav.nav-open .nav-cta {
    display: inline-flex;
    margin: 0 24px 20px;
  }

  .processo-lista { grid-template-columns: 1fr; row-gap: 32px; }
  .processo-item { border-left: none; padding-left: 0; }
}