:root {
  /* layout */
  --width-narrow: 42.5rem;     /* 680 px */
  --width-wide:   75rem;       /* 1200 px */

  /* tipografía */
  --font-family-base: 'Montserrat', system-ui, sans-serif;
  --font-family-display: 'JetBrains Mono', monospace;

  /* 🆕 base fluida: 16 px ↔︎ 20 px entre 320 y 1200 px */
  --fs-base: clamp(1rem,   0.85rem + 0.5vw, 1.25rem);  /* 16 – 20 px */
  --lh-base: 1.6;

  /* colores */
  --clr-bg:     #ffffff;
  --clr-fg:     #151c23;
  --clr-accent: #2563eb;
  --clr-border: #e5e7eb;

  --space-1: 0.75rem;
  --space-2: 1.5rem;
  --space-3: 2.5rem;
  --space-4: 4rem;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font: var(--fs-base)/var(--lh-base) var(--font-family-base);
  background: var(--clr-bg);
  color: var(--clr-fg);
  width: 100%;
}

header{
  width: 100%;
  position: sticky;
  top: 0;
  z-index: 2;
  max-width: var(--width-wide);
  margin: 0 auto;
  background: rgba(255 255 255 / .80);
  backdrop-filter: blur(10px); /* blur effect */
  padding: var(--space-2) var(--space-1);
}

main {
  max-width: var(--width-wide);
  margin: 0 auto;
  padding: var(--space-2) var(--space-1);
}

a {
  color: var(--clr-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
  text-decoration-thickness: 1.5px;
}

a:hover,
a:focus {
  /*  +8 % de luz para hover / focus */
  color: color-mix(in srgb,var(--clr-accent) 90%, white);
  text-decoration-thickness: 2px;
}

a:visited {
  /*  –10 % de saturación  */
  color: color-mix(in srgb,var(--clr-accent) 85%, black);
}

.logo figure strong{
  color: var(--clr-fg);
}

.post{
  max-width: var(--width-narrow);
  margin: 0 auto;
  padding: var(--space-2) var(--space-1);
}

.post img {
  max-width: 100%;
  height: auto;
  display: block;       /* quita el inline-baseline gap */
}
.post figure {
  margin: var(--space-2) 0;   /* opcional: separa la imagen */
}

.section      { padding: var(--space-4) var(--space-3); }
.section--top { padding-top:   var(--space-4); }
.section--bot { padding-bottom:var(--space-3); }

/* ========== HEADER ========== */
.site-header {
  border-bottom: 1px solid var(--clr-border);
  padding-block: 0.75rem;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
}

.logo {
  font-family: var(--font-family-display);
  font-weight: 600;
  font-size: 1.1rem;
  text-decoration: none;
  color: inherit;
}
.logo-accent { color: var(--clr-accent); }

.logo-icon{
  display: flex;
  align-items: center;
}

.logo-icon img{
    display: block;
}

/* nav */
.primary-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(0.75rem, 2vw, 1.5rem); 
  list-style: none;
}

.primary-nav a {
  font: 600 1rem/1 var(--font-family-display);
  text-decoration: none;
  color: inherit;
  position: relative;
}
.primary-nav a:hover,
.primary-nav a.is-active {
  color: var(--clr-accent);
}
.primary-nav a.is-active::after {
  content: '';
  position: absolute;
  inset-inline: 0;
  bottom: -0.4rem;
  height: 2px;
  background: currentColor;
}

h1,h2,h3,h4 { font-family: var(--font-family-display); }

h1 { font-size: clamp(1.75rem, 1.3rem + 1.8vw, 2.5rem); line-height: 1.25; margin: 1.5rem 0 1rem; }
h2 { font-size: clamp(1.4rem, 1.1rem + 0.9vw, 1.75rem); margin: 2rem 0 0.75rem; }
h3 { font-size: clamp(1.2rem, 1rem + 0.5vw, 1.4rem);   margin: 1.5rem 0 0.5rem; }

.site-footer {
  border-top: 1px solid var(--clr-border);
  padding-block: 1.5rem;
  font-size: 0.9rem;
  color: #666;
  text-align: center;
}

/* ── HERO ─────────────────────────────────────────────── */
.hero {
  max-width: min(90%, 48rem);       /* 48 rem ≈ 768 px */
}
.hero__title {
  font-size: clamp(1.8rem, 1.2rem + 3vw, 2.5rem);
  line-height: 1.3;
  text-wrap: balance;               /* Chrome/Safari */
  overflow-wrap: anywhere;          /* Fallback…     */
  margin-bottom: var(--space-2);
}
.hero__subtitle {
  font-size: clamp(1rem, 0.9rem + 0.7vw, 1.25rem);
  color: #555;
  max-width: 40ch;
}

/* ── SECTION UTILITIES ───────────────────────────────── */
.section-heading {
  font-size: clamp(1.5rem, 1.25rem + 0.8vw, 2rem);
  margin: 3rem 0 2rem;
}

/* ── SERVICES GRID ──────────────────────────────────── */
.service-grid {
  display: grid;
  gap: var(--space-3) var(--space-2);
  grid-template-columns: repeat(auto-fill, minmax(16rem, 1fr));
}
.service h3 {
  margin-top: 0;
  margin-bottom: .5rem;
  color: var(--clr-fg);
  font-size: 1.1rem;
}
.service ul { padding-left: 1.2rem; margin: .5rem 0 0; }

/* ── ABOUT SECTION ───────────────────────────────────── */
.about__links a { text-decoration: none; }
.about__links a:not(:last-child)::after { content: "·"; padding-inline: .4rem; }

/* ── LATEST BLOG POSTS ───────────────────────────────── */
.post-list { list-style: none; padding-left: 0; }
.post-list li { margin: .5rem 0; }
.browse-all { margin-top: 1rem; text-align: right; }

/* ── RESPONSIVE TWEAKS ───────────────────────────────── */
@media (max-width: 40rem) {
  .service-grid { gap: 1.5rem; }
}

@media (max-width: 550px) {
  .site-header .container {
    justify-content: center;
    row-gap: var(--space-1);
  }
  .primary-nav{
    width: 100%;
  }
  .primary-nav ul {
    justify-content: space-around;
  }
  .section { 
    padding: var(--space-2) var(--space-1); 
  }
}