/* Kilobyte Tech Solutions — shared stylesheet (index.html + tienda.html)
   Brand colors sampled from the logo: blue #0637B2, gray #707070. */

:root {
  --blue:       #0637B2;
  --blue-lift:  #2C5FE0;
  --blue-deep:  #04217A;
  --gray:       #707070;
  --ink:        #0C1220;
  --ink-2:      #46506A;
  --night:      #070B16;
  --night-2:    #111828;
  --paper:      #FFFFFF;
  --mist:       #F4F6FB;
  --line:       #E1E6F0;
  --line-dark:  rgba(255,255,255,.14);
  --ok:         #12794A;
  --no:         #B22020;

  --display: "Sora", system-ui, sans-serif;
  --body: "Manrope", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;

  --wide: 1180px;
  --r: 14px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--body);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
:focus-visible { outline: 3px solid var(--blue-lift); outline-offset: 3px; border-radius: 4px; }
.wrap { max-width: var(--wide); margin: 0 auto; padding: 0 24px; }

h1, h2, h3 { font-family: var(--display); font-weight: 700; letter-spacing: -0.025em; line-height: 1.08; }
.eyebrow {
  font-family: var(--mono); font-size: .72rem; letter-spacing: .18em;
  text-transform: uppercase; color: var(--blue); font-weight: 500;
}

/* ---------------- Buttons ---------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  font-family: var(--body); font-weight: 700; font-size: .96rem;
  padding: 14px 24px; border-radius: 10px; border: 2px solid transparent;
  cursor: pointer; transition: transform .15s ease, background .15s ease, border-color .15s ease, color .15s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn-blue { background: var(--blue); color: #fff; }
.btn-blue:hover { background: var(--blue-deep); }
.btn-ghost-d { border-color: rgba(255,255,255,.32); color: #fff; }
.btn-ghost-d:hover { border-color: #fff; background: rgba(255,255,255,.08); }
.btn-ghost-l { border-color: var(--line); color: var(--ink); }
.btn-ghost-l:hover { border-color: var(--blue); color: var(--blue); }
.btn-white { background: #fff; color: var(--blue-deep); }
.btn-white:hover { background: #EAF0FF; }
.btn-sm { padding: 10px 16px; font-size: .86rem; }

/* ---------------- Header ---------------- */
.site-head {
  position: sticky; top: 0; z-index: 80;
  background: rgba(255,255,255,.93);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.bar { display: flex; align-items: center; justify-content: space-between; gap: 20px; height: 76px; }
.brand img { height: 46px; width: auto; }
.nav { display: flex; align-items: center; gap: 30px; }
.nav a { font-size: .94rem; font-weight: 600; color: var(--ink); }
.nav a:hover { color: var(--blue); }
.nav a.on { color: var(--blue); }
.bar .btn { padding: 11px 18px; font-size: .88rem; }
.bar .btn .short { display: none; }

/* ---------------- Hero ---------------- */
.hero { position: relative; overflow: hidden; background: var(--night); color: #fff; padding: 96px 0 84px; }
.hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(900px 420px at 78% 8%, rgba(44,95,224,.34), transparent 62%),
    radial-gradient(600px 340px at 8% 96%, rgba(6,55,178,.28), transparent 66%);
}
.hero .swoosh { position: absolute; right: -14%; top: 4%; width: 76%; max-width: none; opacity: .5; pointer-events: none; }
.hero .wrap { position: relative; z-index: 2; }
.hero .eyebrow { color: #7FA0F5; }
.hero h1 { font-size: clamp(2.5rem, 6.2vw, 4.4rem); font-weight: 800; margin: 20px 0 0; max-width: 15ch; }
.hero h1 .tint { color: #6E9BFF; }
.hero .lead { margin: 24px 0 34px; font-size: 1.13rem; color: #B9C4DC; max-width: 46ch; }
.hero-ctas { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-note { margin-top: 20px; font-family: var(--mono); font-size: .78rem; color: #8593B4; }

/* compact hero used by the store */
.hero-slim { padding: 62px 0 56px; }
.hero-slim h1 { font-size: clamp(2.1rem, 4.6vw, 3.1rem); max-width: 20ch; }
.hero-slim .lead { margin-bottom: 0; }

.chips { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 48px; position: relative; z-index: 2; }
.chip {
  font-family: var(--mono); font-size: .74rem; letter-spacing: .06em; text-transform: uppercase;
  color: #C6D2EA; border: 1px solid var(--line-dark); border-radius: 100px;
  padding: 8px 15px; background: rgba(255,255,255,.04);
}

/* ---------------- Sections ---------------- */
.sec { padding: 96px 0; }
.sec-mist { background: var(--mist); }
.sec-head { max-width: 46rem; margin-bottom: 52px; }
.sec-head h2 { font-size: clamp(1.9rem, 3.6vw, 2.7rem); margin: 14px 0 16px; }
.sec-head p { color: var(--ink-2); font-size: 1.06rem; }

/* ---------------- Service cards ---------------- */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.card {
  position: relative; overflow: hidden;
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--r);
  padding: 30px 28px 28px;
  transition: border-color .18s ease, transform .18s ease, box-shadow .18s ease;
}
.card:hover { border-color: var(--blue); transform: translateY(-4px); box-shadow: 0 18px 40px rgba(6,55,178,.14); }
.card .ico {
  width: 48px; height: 48px; border-radius: 12px; display: grid; place-items: center;
  background: linear-gradient(140deg, var(--blue), var(--blue-lift)); color: #fff; margin-bottom: 20px;
}
.card .ico svg { width: 25px; height: 25px; }
.card h3 { font-size: 1.16rem; margin-bottom: 10px; }
.card p { color: var(--ink-2); font-size: .96rem; }
.card ul { list-style: none; margin-top: 16px; padding-top: 15px; border-top: 1px solid var(--line); }
.card li { font-family: var(--mono); font-size: .76rem; color: var(--gray); padding-left: 16px; position: relative; margin-bottom: 5px; }
.card li::before { content: ""; position: absolute; left: 0; top: .62em; width: 6px; height: 6px; border-radius: 50%; background: var(--blue); }

/* ---------------- Fuel feature ---------------- */
.fuel { background: var(--night-2); color: #fff; position: relative; overflow: hidden; }
.fuel::before { content: ""; position: absolute; inset: 0; background: radial-gradient(700px 420px at 90% 20%, rgba(44,95,224,.26), transparent 64%); }
.fuel .wrap { position: relative; z-index: 2; }
.fuel-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 60px; align-items: center; }
.fuel .eyebrow { color: #7FA0F5; }
.fuel h2 { font-size: clamp(1.9rem, 3.6vw, 2.7rem); margin: 14px 0 18px; }
.fuel p { color: #B9C4DC; }
.fuel .pull {
  margin-top: 26px; padding: 20px 24px; border-left: 3px solid var(--blue-lift);
  background: rgba(255,255,255,.04); border-radius: 0 10px 10px 0; color: #DCE4F5; font-size: 1.02rem;
}
.slab { display: grid; gap: 12px; }
.slab-item { border: 1px solid var(--line-dark); border-radius: 12px; padding: 18px 20px; background: rgba(255,255,255,.03); }
.slab-item b { display: block; font-family: var(--display); font-size: 1rem; margin-bottom: 4px; }
.slab-item span { color: #93A2C2; font-size: .9rem; }

/* ---------------- Mission / vision ---------------- */
.mv { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.mv-card { background: var(--paper); border: 1px solid var(--line); border-radius: var(--r); padding: 34px 32px; }
.mv-card h3 { font-size: 1.05rem; color: var(--blue); margin-bottom: 12px; }
.mv-card p { color: var(--ink-2); font-size: 1.02rem; }

/* ---------------- NDAA ---------------- */
.ndaa { border: 2px solid var(--blue); border-radius: 18px; background: var(--paper); padding: 44px 44px 40px; position: relative; }
.ndaa::before {
  content: "NDAA §889"; position: absolute; top: -14px; left: 34px;
  background: var(--blue); color: #fff; font-family: var(--mono); font-size: .73rem;
  letter-spacing: .1em; padding: 4px 12px; border-radius: 5px;
}
.ndaa h2 { font-size: clamp(1.6rem, 3vw, 2.1rem); margin-bottom: 16px; }
.ndaa > p { color: var(--ink-2); max-width: 50rem; }
.ndaa-split { display: grid; grid-template-columns: 1fr 1fr; gap: 36px; margin-top: 30px; }
.ndaa-split h3 { font-family: var(--mono); font-size: .74rem; letter-spacing: .14em; text-transform: uppercase; color: var(--gray); margin-bottom: 12px; }
.ndaa-split p, .ndaa-split li { color: var(--ink-2); font-size: .97rem; }
.ndaa-split ul { list-style: none; }
.ndaa-split li { padding-left: 20px; position: relative; margin-bottom: 7px; }
.ndaa-split li::before { content: ""; position: absolute; left: 0; top: .6em; width: 7px; height: 7px; background: var(--blue); border-radius: 2px; }

/* ---------------- Store teaser ---------------- */
.store-cta {
  display: grid; grid-template-columns: 1.1fr .9fr; gap: 50px; align-items: center;
  background: linear-gradient(130deg, var(--blue-deep), var(--blue) 55%, var(--blue-lift));
  color: #fff; border-radius: 20px; padding: 50px 48px; overflow: hidden; position: relative;
}
.store-cta h2 { font-size: clamp(1.7rem, 3.2vw, 2.3rem); margin-bottom: 14px; }
.store-cta p { color: rgba(255,255,255,.88); }
.store-tags { display: flex; flex-wrap: wrap; gap: 9px; }
.store-tags span {
  font-family: var(--mono); font-size: .74rem; padding: 7px 13px; border-radius: 100px;
  background: rgba(255,255,255,.15); border: 1px solid rgba(255,255,255,.22);
}

/* ---------------- Contact ---------------- */
.contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 56px; }
.contact-lines { margin-top: 26px; display: grid; gap: 16px; }
.cline { display: flex; align-items: center; gap: 14px; }
.cline .dot { width: 40px; height: 40px; border-radius: 11px; background: var(--mist); display: grid; place-items: center; color: var(--blue); flex: none; }
.cline .dot svg { width: 19px; height: 19px; }
.cline b { display: block; font-family: var(--display); font-size: 1.02rem; }
.cline span { font-size: .88rem; color: var(--ink-2); }

form { background: var(--paper); border: 1px solid var(--line); border-radius: var(--r); padding: 32px; }
.fields { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { display: flex; flex-direction: column; gap: 7px; }
.f-wide { grid-column: 1 / -1; }
label { font-family: var(--mono); font-size: .7rem; letter-spacing: .12em; text-transform: uppercase; color: var(--gray); }
input, select, textarea {
  font-family: var(--body); font-size: .97rem; color: var(--ink); background: var(--mist);
  border: 1px solid var(--line); border-radius: 9px; padding: 12px 14px; width: 100%;
}
input:focus, select:focus, textarea:focus { border-color: var(--blue); background: #fff; }
textarea { resize: vertical; min-height: 100px; }
.send { margin-top: 24px; display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.send .note { font-family: var(--mono); font-size: .73rem; color: var(--gray); max-width: 22rem; }

/* ---------------- Store ---------------- */
.toolbar {
  position: sticky; top: 76px; z-index: 60;
  background: rgba(255,255,255,.96); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line); padding: 16px 0;
}
.toolbar-row { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.search-box { position: relative; flex: 1; min-width: 220px; }
.search-box input { padding-left: 40px; }
.search-box svg { position: absolute; left: 13px; top: 50%; transform: translateY(-50%); width: 17px; height: 17px; color: var(--gray); }
.filter-chips { display: flex; gap: 8px; flex-wrap: wrap; }
.fchip {
  font-family: var(--body); font-size: .84rem; font-weight: 600; cursor: pointer;
  border: 1px solid var(--line); background: var(--paper); color: var(--ink-2);
  border-radius: 100px; padding: 9px 15px; transition: all .15s ease; white-space: nowrap;
}
.fchip:hover { border-color: var(--blue); color: var(--blue); }
.fchip[aria-pressed="true"] { background: var(--blue); border-color: var(--blue); color: #fff; }
.ndaa-filter { display: flex; align-items: center; gap: 9px; font-size: .86rem; color: var(--ink-2); font-weight: 600; }
.ndaa-filter input { width: auto; }

.count-line { font-family: var(--mono); font-size: .78rem; color: var(--gray); margin-bottom: 22px; }

.pgrid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.pcard {
  display: flex; flex-direction: column;
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--r);
  padding: 24px 24px 22px; transition: border-color .18s ease, box-shadow .18s ease;
}
.pcard:hover { border-color: var(--blue); box-shadow: 0 14px 32px rgba(6,55,178,.10); }
.pcard-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; margin-bottom: 12px; }
.pcat { font-family: var(--mono); font-size: .68rem; letter-spacing: .1em; text-transform: uppercase; color: var(--blue); }
.badge {
  font-family: var(--mono); font-size: .64rem; letter-spacing: .06em; text-transform: uppercase;
  padding: 4px 9px; border-radius: 5px; white-space: nowrap; font-weight: 500;
}
.badge-si { background: #E4F5EC; color: var(--ok); }
.badge-no { background: #FDE9E9; color: var(--no); }
.badge-consultar { background: var(--mist); color: var(--gray); }
.pcard h3 { font-size: 1.06rem; margin-bottom: 8px; }
.pcard .psum { color: var(--ink-2); font-size: .93rem; }
.pspecs { list-style: none; margin: 14px 0 0; }
.pspecs li { font-family: var(--mono); font-size: .73rem; color: var(--gray); padding-left: 14px; position: relative; margin-bottom: 4px; }
.pspecs li::before { content: ""; position: absolute; left: 0; top: .6em; width: 5px; height: 5px; border-radius: 50%; background: var(--blue); opacity: .55; }
.pcard-foot { margin-top: auto; padding-top: 18px; display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.pvendor { font-family: var(--mono); font-size: .72rem; color: var(--gray); }
.pvendor a { color: var(--blue); }
.pvendor a:hover { text-decoration: underline; }
.pprice { font-family: var(--display); font-weight: 700; font-size: 1.05rem; color: var(--ink); }
.padd {
  font-family: var(--body); font-weight: 700; font-size: .85rem; cursor: pointer;
  background: var(--mist); border: 1px solid var(--line); color: var(--blue);
  border-radius: 8px; padding: 9px 15px; transition: all .15s ease;
}
.padd:hover { background: var(--blue); border-color: var(--blue); color: #fff; }
.padd.in { background: var(--blue); border-color: var(--blue); color: #fff; }
.pnote {
  margin-top: 12px; font-family: var(--mono); font-size: .68rem; color: var(--gray);
  background: var(--mist); border-radius: 7px; padding: 8px 10px;
}
.empty { text-align: center; padding: 70px 20px; color: var(--ink-2); }
.empty h3 { font-size: 1.2rem; margin-bottom: 10px; }

/* quote tray */
.tray {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 90;
  background: var(--night); color: #fff; border-top: 1px solid var(--line-dark);
  transform: translateY(110%); transition: transform .22s ease;
}
.tray.up { transform: translateY(0); }
.tray-row { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 16px 0; flex-wrap: wrap; }
.tray-count { font-family: var(--mono); font-size: .82rem; color: #B9C4DC; }
.tray-count b { color: #fff; }
.tray-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.tray .link { font-size: .84rem; color: #8593B4; text-decoration: underline; cursor: pointer; background: none; border: none; font-family: var(--body); }
.tray .link:hover { color: #fff; }

/* ---------------- Footer ---------------- */
.site-foot { background: var(--night); color: #93A2C2; padding: 56px 0 34px; }
.foot-top { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 40px; padding-bottom: 34px; border-bottom: 1px solid var(--line-dark); }
.site-foot img { height: 52px; width: auto; margin-bottom: 16px; }
.site-foot p { font-size: .92rem; max-width: 34ch; }
.foot-col h4 { font-family: var(--mono); font-size: .72rem; letter-spacing: .14em; text-transform: uppercase; color: #fff; margin-bottom: 14px; font-weight: 500; }
.foot-col a { display: block; font-size: .92rem; margin-bottom: 8px; }
.foot-col a:hover { color: #fff; }
.foot-bot { padding-top: 22px; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-family: var(--mono); font-size: .74rem; letter-spacing: .04em; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn, .card, .pcard, .tray, .fchip, .padd { transition: none; }
  .btn:hover, .card:hover { transform: none; }
}

/* ---------------- Responsive ---------------- */
@media (max-width: 1000px) {
  .grid-3, .pgrid { grid-template-columns: repeat(2, 1fr); }
  .fuel-grid, .contact-grid, .store-cta { grid-template-columns: 1fr; gap: 38px; }
  .foot-top { grid-template-columns: 1fr 1fr; }
  .nav a:not(.btn) { display: none; }
  .nav { gap: 16px; }
  .hero { padding: 72px 0 64px; }
  .hero-slim { padding: 52px 0 46px; }
  .sec { padding: 68px 0; }
  .toolbar { top: 76px; }
}
@media (max-width: 660px) {
  .wrap { padding: 0 18px; }
  .bar { height: 66px; }
  .brand img { height: 38px; }
  .grid-3, .pgrid, .mv, .ndaa-split, .fields { grid-template-columns: 1fr; }
  .foot-top { grid-template-columns: 1fr; gap: 30px; }
  .hero .swoosh { opacity: .28; right: -30%; width: 120%; }
  .hero h1 { font-size: clamp(2.1rem, 9.2vw, 3rem); }
  .ndaa, .store-cta { padding: 34px 22px 30px; }
  form { padding: 22px; }
  .bar .btn .full { display: none; }
  .bar .btn .short { display: inline; }
  .toolbar { top: 66px; }
  .tray-row { padding: 13px 0; }
}