/* AtSharp single page. Mirrors the previous site: textured beige canvas, a white "paper" sheet with a soft
   shadow, Open Sans, grey text and the logo's light blue as accent. No framework, no build step. */

:root {
  --blue: #6caedf;        /* logo blue: accents, borders, decorative */
  --blue-ink: #2f7fb8;    /* darker blue for text and buttons (readable on white) */
  --blue-ink-hover: #256a9b;
  --ink: #3c3c3c;
  --ink-soft: #656565;
  --ink-muted: #8a8a8a;
  --line: #e4e4e4;
  --tint: #f2f2f4;
  --paper: #ffffff;
  --canvas: #d9d5cf;
  --radius: 4px;
  --maxw: 1100px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: "Open Sans", "Segoe UI", system-ui, -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink-soft);
  background: var(--canvas) url("img/bg-texture.png") left top repeat;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--blue-ink); text-decoration: none; }
a:hover { color: var(--blue-ink-hover); text-decoration: underline; }
h1, h2, h3 { color: var(--ink); font-weight: 300; line-height: 1.25; margin: 0 0 .5em; }
h2 { font-size: 2rem; }
h3 { font-size: 1.25rem; font-weight: 600; }
p { margin: 0 0 1em; }
.muted { color: var(--ink-muted); }

.skip { position: absolute; left: -999px; top: 0; background: var(--paper); padding: .5rem 1rem; z-index: 10; }
.skip:focus { left: 1rem; top: 1rem; }

/* The white sheet */
.paper {
  max-width: var(--maxw);
  margin: 2.25rem auto 3rem;
  background: var(--paper);
  box-shadow: 0 2px 14px rgba(0, 0, 0, .18);
  padding: 0 2.5rem 2rem;
}

.site-header {
  display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; flex-wrap: wrap;
  padding: 1.6rem 0 1.2rem;
}
.brand img { width: 312px; max-width: 70vw; }
.nav { display: flex; gap: 1.75rem; align-items: center; flex-wrap: wrap; }
.nav a { color: var(--ink-soft); text-transform: uppercase; font-size: .8rem; letter-spacing: .06em; padding: .4rem 0; border-bottom: 2px solid transparent; }
.nav a:hover { color: var(--ink); text-decoration: none; border-bottom-color: var(--blue); }
.nav .nav-cta { color: var(--blue-ink); font-weight: 600; }

/* Hero */
.hero { position: relative; padding: 3rem 0 3.5rem; border-top: 1px solid var(--line); overflow: hidden; }
.kicker { text-transform: uppercase; letter-spacing: .12em; font-size: .75rem; color: var(--blue-ink); font-weight: 600; margin-bottom: 1rem; }
.hero h1 { font-size: clamp(1.8rem, 3.6vw, 2.75rem); max-width: 18em; color: var(--ink); }
.hero .lead { font-size: 1.15rem; max-width: 36em; font-weight: 300; color: var(--ink-soft); }
.actions { display: flex; gap: .9rem; flex-wrap: wrap; margin-top: 1.75rem; }

.btn { display: inline-block; padding: .75rem 1.5rem; border-radius: var(--radius); font-weight: 600; font-size: .95rem; border: 2px solid transparent; cursor: pointer; font-family: inherit; line-height: 1.3; }
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--blue-ink); color: #fff; border-color: var(--blue-ink); }
.btn-primary:hover { background: var(--blue-ink-hover); border-color: var(--blue-ink-hover); color: #fff; }
.btn-primary[disabled] { opacity: .6; cursor: default; }
.btn-ghost { background: transparent; color: var(--blue-ink); border-color: var(--blue); }
.btn-ghost:hover { background: var(--tint); color: var(--blue-ink-hover); }

/* Sections */
.section { padding: 3rem 0; border-top: 1px solid var(--line); }
.section-tint { background: var(--tint); margin: 0 -2.5rem; padding-left: 2.5rem; padding-right: 2.5rem; border-top: 0; }
.intro { font-size: 1.1rem; font-weight: 300; max-width: 42em; margin-bottom: 2rem; }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.5rem; }
.card { border: 1px solid var(--line); border-top: 4px solid var(--blue); padding: 1.75rem 1.75rem 1.25rem; background: var(--paper); }
.card-icon { color: var(--blue-ink); margin-bottom: .75rem; }
.card ul { padding-left: 1.2rem; margin: .5rem 0 0; }
.card li { margin: .3rem 0; }

.steps { list-style: none; padding: 0; margin: 0 0 2rem; display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 1.5rem; counter-reset: step; }
.steps li { background: var(--paper); padding: 1.5rem 1.4rem 1rem; border: 1px solid var(--line); position: relative; }
.step-nr { display: inline-grid; place-items: center; width: 2.2rem; height: 2.2rem; border-radius: 50%; background: var(--blue); color: #fff; font-weight: 700; margin-bottom: .75rem; }
.steps h3 { font-size: 1.05rem; }
.steps p { margin: 0; font-size: .95rem; }
.usps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1rem 2rem; font-size: .95rem; }
.usps strong { color: var(--ink); }

/* Contact */
.contact-grid { display: grid; grid-template-columns: minmax(0, 3fr) minmax(240px, 2fr); gap: 3rem; align-items: start; }
.field { margin-bottom: 1.1rem; }
label { display: block; font-size: .85rem; font-weight: 600; color: var(--ink); margin-bottom: .3rem; }
label .opt { font-weight: 400; color: var(--ink-muted); }
input[type="text"], input[type="email"], input[type="tel"], textarea {
  width: 100%; font: inherit; color: var(--ink); background: #fff;
  border: 1px solid #cfcfcf; border-radius: var(--radius); padding: .65rem .8rem;
}
input:focus, textarea:focus { outline: 2px solid var(--blue); outline-offset: 1px; border-color: var(--blue); }
textarea { resize: vertical; min-height: 8rem; }
.field.invalid input, .field.invalid textarea { border-color: #c0392b; }
.hp { position: absolute; left: -10000px; top: auto; width: 1px; height: 1px; overflow: hidden; }
.privacy { font-size: .8rem; color: var(--ink-muted); }
.form-actions { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }
.form-status { font-size: .95rem; }
.form-status.ok { color: #2e7d4f; }
.form-status.err { color: #c0392b; }
.contact-form.sent .field, .contact-form.sent .form-actions .btn { display: none; }
.contact-details h3 { margin-bottom: .25rem; }
address { font-style: normal; margin-bottom: 1rem; }

.site-footer { border-top: 1px solid var(--line); padding-top: 1.5rem; font-size: .85rem; text-align: center; }
.site-footer p { margin: 0 0 .25rem; }

@media (max-width: 760px) {
  .paper { padding: 0 1rem 1.5rem; margin-bottom: 1.5rem; }
  .section-tint { margin: 0 -1rem; padding-left: 1rem; padding-right: 1rem; }
  .site-header { padding-top: 1.2rem; }
  .nav { gap: 1.1rem; }
  .hero { padding: 2rem 0 2.5rem; }
  .contact-grid { grid-template-columns: 1fr; gap: 2rem; }
  h2 { font-size: 1.6rem; }
}