/* informatyklinux.pl - system wizualny: kremowy papier, zielen butelkowa, mosiadz.
   Charakter: dziennik pracy administratora. Nie powielac na innych domenach floty. */

:root {
  --paper:   #faf7f0;
  --surface: #f2ebdd;
  --surface2:#ece3d1;
  --ink:     #1f2420;
  --muted:   #5d6259;
  --green:   #14532d;
  --green-d: #0d3a1f;
  --green-l: #e6efe7;
  --brass:   #9a6b1f;
  --brass-l: #f6ecd8;
  --rule:    #ddd3bf;
  --rule-s:  #c9bda3;
  --maxw: 68rem;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 17px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-text-size-adjust: 100%;
}

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 1.4rem; }

a { color: var(--green); text-decoration: underline; text-underline-offset: .18em; text-decoration-thickness: .06em; }
a:hover { color: var(--brass); }

h1, h2, h3, h4 { line-height: 1.2; letter-spacing: -.012em; margin: 0 0 .6em; font-weight: 700; }
h1 { font-size: clamp(2rem, 5.2vw, 3.1rem); }
h2 { font-size: clamp(1.5rem, 3.4vw, 2.05rem); }
h3 { font-size: 1.18rem; }
p  { margin: 0 0 1.1em; }

/* --- etykieta sekcji: numer + nazwa, monospace --- */
.tag {
  font: 600 .74rem/1 ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--brass);
  display: flex; align-items: center; gap: .7rem;
  margin: 0 0 1.1rem;
}
.tag::after { content: ""; flex: 1; height: 1px; background: var(--rule); }

/* --- naglowek strony --- */
.top { border-bottom: 2px solid var(--green); background: var(--paper); }
.top .wrap { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; padding-top: 1.1rem; padding-bottom: 1.1rem; flex-wrap: wrap; }
.brand { font-weight: 700; font-size: 1.2rem; color: var(--ink); text-decoration: none; letter-spacing: -.02em; }
.brand span { color: var(--green); }
.brand small { display: block; font: 400 .7rem/1.3 ui-monospace, Menlo, Consolas, monospace; color: var(--muted); letter-spacing: .1em; text-transform: uppercase; margin-top: .15rem; }
.nav { display: flex; gap: 1.35rem; flex-wrap: wrap; }
.nav a { color: var(--ink); text-decoration: none; font-size: .94rem; padding-bottom: .18rem; border-bottom: 2px solid transparent; }
.nav a:hover { border-bottom-color: var(--brass); color: var(--ink); }
.nav a[aria-current="page"] { border-bottom-color: var(--green); font-weight: 600; }

/* menu mobilne bez JS */
.mnav { display: none; }
.mnav summary { list-style: none; cursor: pointer; font: 600 .9rem/1 -apple-system, "Segoe UI", Arial, sans-serif; padding: .6rem .9rem; border: 1px solid var(--rule-s); border-radius: 3px; color: var(--green); background: var(--surface); }
.mnav summary::-webkit-details-marker { display: none; }
.mnav summary::after { content: " ≡"; }
.mnav[open] summary::after { content: " ×"; }
.mnav ul { list-style: none; margin: .7rem 0 0; padding: 0; border-top: 1px solid var(--rule); }
.mnav li a { display: block; padding: .68rem .2rem; border-bottom: 1px solid var(--rule); color: var(--ink); text-decoration: none; }

/* --- hero --- */
.hero { padding: 3.6rem 0 3rem; border-bottom: 1px solid var(--rule); }
.hero .lead { font-size: 1.16rem; color: var(--muted); max-width: 46rem; }
.hero h1 em { font-style: normal; color: var(--green); }
.kick { font: 600 .78rem/1 ui-monospace, Menlo, Consolas, monospace; letter-spacing: .18em; text-transform: uppercase; color: var(--brass); margin-bottom: 1rem; }

/* --- sekcje --- */
section { padding: 3.1rem 0; border-bottom: 1px solid var(--rule); }
section:last-of-type { border-bottom: 0; }
section.alt { background: var(--surface); }

.prose { max-width: 44rem; }
.prose p, .prose li { font-family: Georgia, "Times New Roman", serif; font-size: 1.04rem; line-height: 1.72; }

/* --- siatki --- */
.grid { display: grid; gap: 1.4rem; }
.g2 { grid-template-columns: repeat(auto-fit, minmax(19rem, 1fr)); }
.g3 { grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr)); }

.card { background: var(--paper); border: 1px solid var(--rule); border-left: 3px solid var(--green); padding: 1.3rem 1.4rem; }
section.alt .card { background: var(--paper); }
.card h3 { margin-bottom: .45rem; }
.card p { margin-bottom: .6rem; color: var(--muted); font-size: .97rem; }
.card .more { font-size: .9rem; font-weight: 600; }

/* --- listy kontrolne --- */
.check { list-style: none; padding: 0; margin: 0; }
.check li { padding: .42rem 0 .42rem 1.5rem; position: relative; border-bottom: 1px dotted var(--rule); font-size: .98rem; }
.check li::before { content: "–"; position: absolute; left: .35rem; color: var(--brass); font-weight: 700; }
.check.two { columns: 2; column-gap: 2.4rem; }
@media (max-width: 40rem) { .check.two { columns: 1; } }

/* --- kroki --- */
.steps { counter-reset: s; list-style: none; padding: 0; margin: 0; }
.steps li { counter-increment: s; position: relative; padding: 0 0 1.3rem 3.1rem; border-left: 1px solid var(--rule-s); margin-left: 1rem; }
.steps li:last-child { border-left-color: transparent; padding-bottom: 0; }
.steps li::before {
  content: counter(s, decimal-leading-zero);
  position: absolute; left: -1.05rem; top: -.1rem;
  width: 2.1rem; height: 2.1rem; display: grid; place-items: center;
  background: var(--green); color: var(--paper); border-radius: 50%;
  font: 700 .78rem/1 ui-monospace, Menlo, Consolas, monospace;
}
.steps h3 { margin-bottom: .25rem; }
.steps p { color: var(--muted); margin-bottom: 0; font-size: .98rem; }

/* --- pakiety --- */
.plans { display: grid; gap: 1.2rem; grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr)); }
.plan { border: 1px solid var(--rule-s); background: var(--paper); padding: 1.4rem; display: flex; flex-direction: column; }
.plan.mark { border: 2px solid var(--green); }
.plan .nm { font: 700 .8rem/1 ui-monospace, Menlo, Consolas, monospace; letter-spacing: .14em; text-transform: uppercase; color: var(--brass); }
.plan .pr { font-size: 2rem; font-weight: 700; margin: .5rem 0 .1rem; color: var(--green); }
.plan .pr small { font-size: .82rem; font-weight: 400; color: var(--muted); }
.plan ul { margin: .9rem 0 0; }

/* --- tabela --- */
.tblwrap { overflow-x: auto; border: 1px solid var(--rule); }
table { border-collapse: collapse; width: 100%; min-width: 34rem; background: var(--paper); font-size: .95rem; }
th, td { text-align: left; padding: .62rem .85rem; border-bottom: 1px solid var(--rule); }
thead th { background: var(--green); color: var(--paper); font-weight: 600; letter-spacing: .02em; }
tbody tr:nth-child(even) td { background: var(--surface); }

/* --- przyciski --- */
.btn { display: inline-block; background: var(--green); color: var(--paper); padding: .72rem 1.5rem; text-decoration: none; font-weight: 600; border: 2px solid var(--green); }
.btn:hover { background: var(--green-d); border-color: var(--green-d); color: var(--paper); }
.btn.ghost { background: transparent; color: var(--green); }
.btn.ghost:hover { background: var(--green-l); color: var(--green-d); }
.btns { display: flex; gap: .8rem; flex-wrap: wrap; margin-top: 1.6rem; }

/* --- blog --- */
.posts { list-style: none; padding: 0; margin: 0; }
.posts li { padding: 1.05rem 0; border-bottom: 1px solid var(--rule); display: grid; grid-template-columns: 7.5rem 1fr; gap: 1.2rem; }
.posts .dt { font: 400 .82rem/1.6 ui-monospace, Menlo, Consolas, monospace; color: var(--muted); }
.posts h3 { margin: 0 0 .25rem; font-size: 1.06rem; }
.posts h3 a { text-decoration: none; color: var(--ink); }
.posts h3 a:hover { color: var(--green); text-decoration: underline; }
.posts p { margin: 0; color: var(--muted); font-size: .95rem; }
@media (max-width: 36rem) { .posts li { grid-template-columns: 1fr; gap: .3rem; } }

.meta { font: 400 .84rem/1.5 ui-monospace, Menlo, Consolas, monospace; color: var(--muted); margin-bottom: 1.6rem; }
article.post h2 { margin-top: 2.1rem; font-size: 1.42rem; }
article.post h2::before { content: "§ "; color: var(--brass); }
.callout { border-left: 3px solid var(--brass); background: var(--brass-l); padding: 1rem 1.2rem; margin: 1.6rem 0; }
.callout p:last-child { margin-bottom: 0; }
.callout p { font-family: Georgia, serif; }

.crumbs { font-size: .86rem; color: var(--muted); padding: 1rem 0 0; }
.crumbs a { color: var(--muted); }
.crumbs a:hover { color: var(--green); }

/* --- formularz --- */
form.sg { max-width: 38rem; }
form.sg label { display: block; font-size: .88rem; font-weight: 600; margin: 0 0 .3rem; }
form.sg input, form.sg textarea {
  width: 100%; padding: .62rem .7rem; font: inherit; font-size: .97rem;
  border: 1px solid var(--rule-s); background: var(--paper); color: var(--ink); border-radius: 2px;
}
form.sg input:focus, form.sg textarea:focus { outline: 2px solid var(--green); outline-offset: 1px; border-color: var(--green); }
form.sg .row { margin-bottom: 1rem; }
form.sg .two { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media (max-width: 34rem) { form.sg .two { grid-template-columns: 1fr; } }
form.sg .consent { display: grid; grid-template-columns: auto 1fr; gap: .6rem; align-items: start; font-size: .88rem; color: var(--muted); }
form.sg .consent input { width: auto; margin-top: .2rem; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.formmsg { margin-top: 1rem; padding: .8rem 1rem; font-size: .95rem; display: none; }
.formmsg.ok  { display: block; background: var(--green-l); border-left: 3px solid var(--green); }
.formmsg.err { display: block; background: #f7e6e2; border-left: 3px solid #a33; }

/* --- dane kontaktowe --- */
.dl { margin: 0; font-size: .97rem; }
.dl dt { font: 600 .74rem/1 ui-monospace, Menlo, Consolas, monospace; letter-spacing: .12em; text-transform: uppercase; color: var(--brass); margin-top: 1.1rem; }
.dl dd { margin: .3rem 0 0; }

/* --- stopka --- */
.foot { background: var(--green); color: #d9e5db; padding: 2.6rem 0 1.8rem; font-size: .93rem; }
.foot a { color: #fff; }
.foot a:hover { color: #f0d9a8; }
.foot h4 { color: #fff; font-size: .76rem; letter-spacing: .14em; text-transform: uppercase; font-family: ui-monospace, Menlo, Consolas, monospace; margin-bottom: .7rem; }
.foot ul { list-style: none; padding: 0; margin: 0; }
.foot li { margin-bottom: .4rem; }
.foot .bot { border-top: 1px solid rgba(255,255,255,.2); margin-top: 2rem; padding-top: 1.1rem; display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; font-size: .86rem; }

@media (max-width: 52rem) {
  .nav { display: none; }
  .mnav { display: block; width: 100%; }
  .top .wrap { padding-bottom: .9rem; }
  .hero { padding: 2.6rem 0 2.2rem; }
  section { padding: 2.4rem 0; }
}