/* ===========================================================
   Alse Consulting — design tokens
   =========================================================== */

@font-face{font-family:"Museo";src:url("../assets/fonts/museo-300.woff2") format("woff2");font-weight:300;font-style:normal;font-display:swap}
@font-face{font-family:"Museo";src:url("../assets/fonts/museo-500.woff2") format("woff2");font-weight:500;font-style:normal;font-display:swap}
@font-face{font-family:"Museo";src:url("../assets/fonts/museo-700.woff2") format("woff2");font-weight:700;font-style:normal;font-display:swap}

:root {
  /* Brand — primary (manual) */
  --navy-900: #050E1A;          /* deeper than logo navy, for backgrounds */
  --navy-800: #0A1828;
  --navy-700: #0F2138;
  --navy-600: #122941;          /* logo navy */
  --navy-500: #1A3A5C;
  --azul-500: #005176;          /* logo azul profundo */
  --teal-700: #1a6f7e;
  --teal-600: #228293;          /* logo teal */
  --teal-500: #31b7bc;          /* turquesa secundario */
  --teal-400: #5cd0d3;
  --teal-200: #99bec8;          /* gris azulado claro */
  --teal-100: #cfe2e6;

  /* Brand — secondary accents (manual) */
  --azul-medio: #0379a4;
  --naranja: #f39655;
  --lima: #94c24a;
  --limon: #d3da3d;

  /* Foreground / neutrals — warm cream over navy */
  --fg: #F4EFE6;
  --fg-soft: #D8D2C5;
  --fg-mute: #8E96A6;
  --fg-faint: #4D5668;
  --line: rgba(244, 239, 230, 0.10);
  --line-strong: rgba(244, 239, 230, 0.18);
  --line-teal: rgba(49, 183, 188, 0.22);

  /* Accent system — switchable via [data-accent] */
  --accent: var(--teal-500);
  --accent-soft: rgba(49, 183, 188, 0.14);
  --accent-strong: var(--teal-400);
  --accent-fg: #04181E;

  /* Type */
  --font-display: "Museo", ui-sans-serif, system-ui, -apple-system, sans-serif;
  --font-body: ui-sans-serif, system-ui, -apple-system, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --font-serif: "Museo", "Times New Roman", serif;

  /* Spacing scale */
  --gap-1: 0.25rem;
  --gap-2: 0.5rem;
  --gap-3: 0.75rem;
  --gap-4: 1rem;
  --gap-6: 1.5rem;
  --gap-8: 2rem;
  --gap-12: 3rem;
  --gap-16: 4rem;
  --gap-24: 6rem;
  --gap-32: 8rem;

  /* Layout */
  --maxw: 1440px;
  --pad-x: clamp(1.25rem, 4vw, 3rem);
  --gutter: 1px;

  /* Density */
  --density: 1;
}

[data-accent="lime"] {
  --accent: #d3da3d;
  --accent-soft: rgba(211, 218, 61, 0.14);
  --accent-strong: #e3eb55;
  --accent-fg: #1A1D05;
}
[data-accent="orange"] {
  --accent: #f39655;
  --accent-soft: rgba(243, 150, 85, 0.14);
  --accent-strong: #ffb079;
  --accent-fg: #1F0E04;
}
[data-accent="azul"] {
  --accent: #0379a4;
  --accent-soft: rgba(3, 121, 164, 0.18);
  --accent-strong: #2a98c1;
  --accent-fg: #FFFFFF;
}

[data-density="comfortable"] { --density: 1.15; }
[data-density="compact"]     { --density: 0.85; }

/* Light mode override */
[data-theme="light"] {
  --navy-900: #ffffff;
  --navy-800: #f5f5f5;
  --navy-700: #ebebeb;
  --navy-600: #e0e0e0;
  --fg: #0A1828;
  --fg-soft: #1F2D3F;
  --fg-mute: #4D5668;
  --fg-faint: #8E96A6;
  --line: rgba(10, 24, 40, 0.10);
  --line-strong: rgba(10, 24, 40, 0.20);
  --line-teal: rgba(34, 130, 147, 0.30);
  --accent-fg: #FFFFFF;
}

/* ===========================================================
   Reset + base
   =========================================================== */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--navy-900);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-feature-settings: "ss01", "cv11";
  position: relative;
  overflow-x: hidden;
}

/* Subtle grain — single texture across whole site */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  opacity: 0.35;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0.95  0 0 0 0 0.93  0 0 0 0 0.86  0 0 0 0.5 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}

a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
button { font: inherit; cursor: pointer; border: 0; background: transparent; color: inherit; }
ul { padding: 0; margin: 0; list-style: none; }

/* ===========================================================
   Typography
   =========================================================== */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-mute);
  font-weight: 500;
}
.eyebrow .dot {
  display: inline-block;
  width: 6px; height: 6px;
  border-radius: 999px;
  background: var(--accent);
  margin-right: 8px;
  vertical-align: 1px;
  box-shadow: 0 0 12px var(--accent);
}

.h-display {
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: -0.035em;
  line-height: 0.95;
  font-size: clamp(2.5rem, 6.5vw, 6.5rem);
  margin: 0;
}
.h-display em {
  font-style: italic;
  font-family: var(--font-serif);
  font-weight: 400;
  letter-spacing: -0.01em;
  color: var(--accent);
}

.h-section {
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.05;
  font-size: clamp(2rem, 4vw, 3.5rem);
  margin: 0;
}
.h-section em {
  font-style: italic;
  font-family: var(--font-serif);
  font-weight: 400;
}

.h-card {
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: -0.015em;
  line-height: 1.15;
  font-size: clamp(1.25rem, 1.6vw, 1.5rem);
  margin: 0;
}

.lead {
  font-size: clamp(1.0625rem, 1.3vw, 1.25rem);
  line-height: 1.5;
  color: var(--fg-soft);
  max-width: 56ch;
  font-weight: 400;
}

.body { color: var(--fg-soft); line-height: 1.6; }
.muted { color: var(--fg-mute); }
.mono { font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.04em; }

/* ===========================================================
   Layout primitives
   =========================================================== */
.shell {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding-left: var(--pad-x);
  padding-right: var(--pad-x);
  position: relative;
  z-index: 2;
}

section { position: relative; z-index: 2; }

.section-pad {
  padding-top: calc(var(--gap-24) * var(--density));
  padding-bottom: calc(var(--gap-24) * var(--density));
}
.section-pad-sm {
  padding-top: calc(var(--gap-16) * var(--density));
  padding-bottom: calc(var(--gap-16) * var(--density));
}

/* Header label that sits at the top of every section, mono */
.section-head {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--gap-8);
  align-items: end;
  padding-bottom: var(--gap-12);
  border-bottom: 1px solid var(--line);
  margin-bottom: var(--gap-12);
}
.section-head .index { color: var(--fg-mute); }
@media (max-width: 720px) {
  .section-head { grid-template-columns: 1fr; gap: var(--gap-4); }
}

/* Hairline grid lines that span sections — purely decorative */
.hairlines {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    linear-gradient(to right, var(--line) 1px, transparent 1px);
  background-size: 25% 100%;
  opacity: 1;
}
.hairlines::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(to right, var(--line) 1px, transparent 1px);
  background-size: 100% 100%;
  background-position: 100% 0;
  background-repeat: no-repeat;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 22px;
  border-radius: 999px;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 14px;
  letter-spacing: -0.005em;
  transition: all .2s ease;
  white-space: nowrap;
  cursor: pointer;
}
.btn--primary {
  background: var(--accent);
  color: var(--accent-fg);
}
.btn--primary:hover { background: var(--accent-strong); transform: translateY(-1px); }
.btn--ghost {
  border: 1px solid var(--line-strong);
  color: var(--fg);
  background: transparent;
}
.btn--ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn .arrow {
  display: inline-block;
  transform: translateX(0);
  transition: transform .2s ease;
}
.btn:hover .arrow { transform: translateX(3px); }

/* Tag chip */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-soft);
}
.chip--accent {
  border-color: var(--line-teal);
  color: var(--accent);
  background: var(--accent-soft);
}

/* ===========================================================
   Common card
   =========================================================== */
.card {
  border: 1px solid var(--line);
  background: color-mix(in oklab, var(--navy-800) 70%, transparent);
  border-radius: 6px;
  padding: var(--gap-8);
  position: relative;
  transition: border-color .2s ease, transform .2s ease;
}
.card:hover { border-color: var(--line-teal); }
.card .num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--fg-mute);
}

/* Reveal-on-load animations */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: none; }
}
.reveal { animation: fadeUp .8s cubic-bezier(.2,.7,.2,1) both; }
.reveal-1 { animation-delay: .05s; }
.reveal-2 { animation-delay: .15s; }
.reveal-3 { animation-delay: .25s; }
.reveal-4 { animation-delay: .35s; }
.reveal-5 { animation-delay: .45s; }
.reveal-6 { animation-delay: .55s; }

/* Selection */
::selection { background: var(--accent); color: var(--accent-fg); }