/* ==========================================================================
   meneoil.com — Mene Oil Services
   Paleta y tipografías heredadas del deck "MENE — Plataforma de procura".
   Idioma visual: hoja de dibujo técnico. Filetes, no tarjetas. Sin sombras.
   ========================================================================== */

:root {
  color-scheme: light;

  /* tinta */
  --ink:      #12202B;
  --ink-2:    #3E4A53;
  --ink-3:    #6B7680;

  /* papel */
  --paper:    #FBFAF7;
  --paper-2:  #F3F1EB;
  --rule:     #DEDAD0;
  --rule-2:   #CFCAC0;

  /* verde del logo */
  --green:        #4F7F1F;
  --green-dark:   #335814;
  --green-light:  #9CC46A;
  --green-pale:   #E4EDD8;

  /* tipografía */
  --display: "Space Grotesk", ui-sans-serif, system-ui, sans-serif;
  --body:    "Inter", ui-sans-serif, system-ui, -apple-system, sans-serif;

  --t-xs: 0.8125rem;
  --t-s:  0.9375rem;
  --t-b:  1.0625rem;
  --t-m:  1.1875rem;
  --t-l:  clamp(1.5rem, 1.08rem + 1.75vw, 2.125rem);
  --t-xl: clamp(2.25rem, 1.35rem + 3.75vw, 3.75rem);

  /* ritmo */
  --gutter: 16px;
  --wrap:   1140px;
}

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

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  font-size: var(--t-b);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3 {
  font-family: var(--display);
  font-weight: 500;
  letter-spacing: -0.02em;
  margin: 0;
  text-wrap: balance;
}

p { margin: 0; }

a { color: inherit; }

:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 3px;
}

.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--ink);
  color: var(--paper);
  padding: 10px 16px;
  z-index: 10;
}
.skip:focus { left: 0; }

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* --------------------------------------------------------------- topbar -- */

.topbar {
  border-bottom: 1px solid var(--rule);
  background: var(--paper);
  position: sticky;
  top: 0;
  z-index: 5;
}

.topbar__inner {
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: 72px;
}
@media (min-width: 560px) { .topbar__inner { gap: 24px; } }

.brand { display: flex; align-items: center; flex: 0 0 auto; }
.brand img {
  display: block;
  height: 30px;
  width: auto;
}

.nav {
  display: none;
  margin-left: auto;
  gap: 28px;
  font-size: var(--t-s);
  color: var(--ink-2);
}
.nav a { text-decoration: none; padding-block: 6px; }
.nav a:hover { color: var(--green-dark); }

@media (min-width: 860px) {
  .nav { display: flex; }
}

/* selector de idioma */

.langs {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
  font-family: var(--display);
  font-size: var(--t-xs);
  letter-spacing: 0.04em;
  color: var(--ink-3);
  flex: 0 0 auto;
}
.langs > * + *::before {
  content: "/";
  margin-right: 8px;
  color: var(--rule-2);
}
.langs a { text-decoration: none; }
.langs a:hover { color: var(--green-dark); }
.langs [aria-current] { color: var(--ink); }

@media (min-width: 860px) {
  .langs { margin-left: 0; }
}

/* -------------------------------------------------------------- botones -- */

.btn {
  display: inline-block;
  background: var(--green);
  color: #fff;
  font-family: var(--body);
  font-size: var(--t-s);
  font-weight: 600;
  letter-spacing: 0.01em;
  text-decoration: none;
  padding: 14px 24px;
  border: 1px solid var(--green);
  border-radius: 2px;
  transition: background-color 120ms ease, border-color 120ms ease;
}
.btn:hover { background: var(--green-dark); border-color: var(--green-dark); }

.btn--small { padding: 9px 16px; font-size: var(--t-xs); }

.link {
  font-size: var(--t-s);
  color: var(--ink-2);
  text-decoration: none;
  border-bottom: 1px solid var(--rule-2);
  padding-bottom: 2px;
}
.link:hover { color: var(--green-dark); border-bottom-color: var(--green); }

/* ----------------------------------------------------------------- hero -- */

.hero { padding-block: clamp(32px, 5vw, 64px); }

/* El logo manda: la ráfaga grande y centrada, y debajo una sola promesa.
   La contención es el gesto — nada más compite con la marca. */

.sheet {
  border: 1px solid var(--rule);
  background: #fff;
  padding: clamp(52px, 8vw, 120px) clamp(24px, 5vw, 64px);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.hero__mark {
  display: block;
  width: clamp(176px, 24vw, 288px);
  height: auto;
  margin-bottom: clamp(36px, 5vw, 60px);
}

h1 {
  font-size: var(--t-xl);
  line-height: 1.02;
  font-weight: 700;
  letter-spacing: -0.035em;
  max-width: 17ch;
}

.lede {
  margin-top: 22px;
  max-width: 56ch;
  font-size: var(--t-m);
  line-height: 1.55;
  color: var(--ink-2);
}

.actions {
  margin-top: 36px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 16px 28px;
}

/* ---------------------------------------------------------------- bands -- */

.band {
  padding-block: clamp(56px, 8vw, 104px);
  border-top: 1px solid var(--rule);
}

.band--paper2 { background: var(--paper-2); }
.band--dark   { background: var(--ink); color: var(--paper); border-top-color: var(--ink); }
.band--close  { background: var(--green-pale); }

/* rail + main */

.split { display: grid; gap: 32px; }

.split__rail h2 {
  font-size: var(--t-l);
  line-height: 1.12;
  max-width: 18ch;
}

.rail-note {
  margin-top: 16px;
  max-width: 34ch;
  font-size: var(--t-s);
  color: var(--ink-2);
}
.band--dark .rail-note { color: #AFBAC2; }

@media (min-width: 900px) {
  .split {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 64px;
  }
}

/* columnas de texto separadas por filetes */

.cols { display: grid; gap: 0; }

.col { padding-block: 22px; border-top: 1px solid var(--rule); }
.col:first-child { border-top: 0; padding-top: 0; }

.col h3 {
  font-size: var(--t-m);
  margin-bottom: 6px;
}
.col p { color: var(--ink-2); max-width: 46ch; }

@media (min-width: 720px) {
  .cols { grid-template-columns: repeat(3, 1fr); gap: 0 32px; }
  .cols--2 { grid-template-columns: repeat(2, 1fr); }
  .col { border-top: 1px solid var(--rule); padding-top: 22px; padding-bottom: 0; }
  .col:first-child { border-top: 1px solid var(--rule); padding-top: 22px; }
}

/* flujo de la plataforma: lista con marcador de estación */

.flow { list-style: none; margin: 0; padding: 0; }

.flow li {
  position: relative;
  padding: 22px 0 22px 34px;
  border-top: 1px solid var(--rule);
}
.flow li:first-child { border-top: 0; padding-top: 0; }
.flow li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 30px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--green);
}
.flow li:first-child::before { top: 8px; }

.flow h3 { font-size: var(--t-m); margin-bottom: 4px; }
.flow p { color: var(--ink-2); max-width: 52ch; }

/* pasos numerados: aquí la numeración es real, es una secuencia */

.steps { list-style: none; margin: 0; padding: 0; counter-reset: paso; }

.steps li {
  counter-increment: paso;
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 0 16px;
  padding: 24px 0;
  border-top: 1px solid var(--rule);
}
.steps li:first-child { border-top: 0; padding-top: 0; }

.steps li::before {
  content: counter(paso, decimal-leading-zero);
  grid-column: 1;
  grid-row: 1 / span 2;
  font-family: var(--display);
  font-size: var(--t-s);
  color: var(--green);
  padding-top: 4px;
}

.steps h3 { grid-column: 2; font-size: var(--t-m); margin-bottom: 4px; }
.steps p  { grid-column: 2; }
.steps p { color: var(--ink-2); max-width: 50ch; }

/* lo que gana el cliente */

.gains { margin: 0; display: grid; gap: 0; }
.gains > div { padding: 22px 0; border-top: 1px solid var(--rule); }
.gains > div:first-child { border-top: 0; padding-top: 0; }
.gains dt {
  font-family: var(--display);
  font-size: var(--t-m);
  margin-bottom: 4px;
}
.gains dd { margin: 0; color: var(--ink-2); max-width: 50ch; }

.aside {
  margin-top: 28px;
  font-size: var(--t-s);
  color: var(--ink-3);
  max-width: 50ch;
}
.aside--dark { color: #8C9AA4; }

/* --------------------------------------------------- del cabezal al mar -- */

.section-title {
  font-size: var(--t-l);
  line-height: 1.12;
  max-width: 24ch;
  margin-bottom: clamp(32px, 4vw, 48px);
}

.track {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.track li {
  position: relative;
  padding: 16px 0 16px 34px;
  border-top: 1px solid var(--rule);
}
.track li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 25px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--green);
}
/* la línea que une las estaciones, en vertical */
.track li::after {
  content: "";
  position: absolute;
  left: 8px;
  top: 34px;
  bottom: -1px;
  width: 1px;
  background: var(--rule-2);
}
.track li:last-child::after { display: none; }

.track__n {
  font-family: var(--display);
  font-size: var(--t-xs);
  color: var(--ink-3);
  margin-right: 12px;
}
.track__t { font-family: var(--display); font-size: var(--t-s); }

@media (min-width: 860px) {
  .track {
    grid-template-columns: repeat(4, 1fr);
    border-top: 1px solid var(--rule);
  }
  .track li {
    padding: 28px 20px 28px 0;
    border-top: 0;
  }
  /* en horizontal, la línea corre por arriba */
  .track li::before { left: 0; top: -5px; }
  .track li::after {
    left: 9px;
    right: 0;
    top: -1px;
    bottom: auto;
    width: auto;
    height: 1px;
  }
  .track li:nth-child(4)::after,
  .track li:nth-child(8)::after { right: 20px; }
  .track li:last-child::after { display: block; }
  .track__n { display: block; margin: 0 0 6px; }
  .track__t { font-size: var(--t-b); }
}

.areas__notes {
  margin-top: clamp(32px, 4vw, 48px);
  padding-top: 24px;
  border-top: 1px solid var(--rule);
  max-width: 62ch;
  color: var(--ink-2);
}
.areas__notes .aside { margin-top: 10px; }

/* --------------------------------------------------------- cumplimiento -- */

.band--dark .split__rail h2 { color: var(--paper); }

.checks { margin: 0; display: grid; gap: 0; }
.checks > div {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 0 16px;
  padding: 20px 0;
  border-top: 1px solid rgba(255,255,255,0.14);
}
.checks > div:first-child { border-top: 0; padding-top: 0; }
.checks dt {
  font-family: var(--display);
  font-size: var(--t-s);
  color: var(--green-light);
  letter-spacing: 0.03em;
  padding-top: 2px;
}
.checks dd { margin: 0; color: #D6DCE1; max-width: 46ch; }

@media (max-width: 520px) {
  .checks > div { grid-template-columns: 1fr; gap: 4px; }
}

/* --------------------------------------------------------------- cierre -- */

.band--close h2 {
  font-size: var(--t-l);
  line-height: 1.12;
  max-width: 20ch;
}
.band--close .lede { color: var(--ink-2); }
.contact { margin-top: 32px; }

/* ----------------------------------------------------------------- pie --- */

.foot {
  border-top: 1px solid var(--rule);
  padding-block: 40px;
  background: var(--paper);
}

.foot__inner {
  display: flex;
  flex-direction: column;
  gap: 24px;
  align-items: flex-start;
}

.foot__legal {
  font-size: var(--t-xs);
  color: var(--ink-2);
  font-family: var(--display);
  letter-spacing: 0.01em;
}

.foot__powered {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}
.foot__powered span { font-size: var(--t-xs); color: var(--ink-3); }
.foot__powered img { display: block; height: 20px; width: auto; opacity: 0.78; }

@media (min-width: 760px) {
  .foot__inner { flex-direction: row; justify-content: space-between; align-items: center; }
}