/* =========================================================================
   Spectrum Universe — style.css
   Dark instrument-panel aesthetic. Two accent tracks:
   amber = bezpieczeństwo / duże firmy, cyan = IT / małe firmy.
   ========================================================================= */

/* ---- Tokens ------------------------------------------------------------ */
:root {
  --bg:        #0E1217;
  --bg-2:      #0B0E13;
  --surface:   #161B22;
  --surface-2: #1A2029;
  --border:    #232A33;
  --border-2:  #2C353F;
  --text:      #E6EAF0;
  --muted:     #8B95A3;
  --muted-2:   #6A7382;

  --amber:     #EFA94A;   /* tor A — security / large */
  --amber-dim: #b67e33;
  --cyan:      #46C2C8;   /* tor B — IT / small */
  --cyan-dim:  #2f8a8f;

  --font-display: 'Space Grotesk', 'Segoe UI', system-ui, sans-serif;
  --font-body:    'IBM Plex Sans', 'Segoe UI', system-ui, sans-serif;
  --font-mono:    'IBM Plex Mono', ui-monospace, 'Cascadia Code', monospace;

  --maxw: 1140px;
  --pad:  clamp(1.25rem, 4vw, 2.5rem);
  --radius: 14px;

  --ease: cubic-bezier(.22, .61, .36, 1);
}

/* ---- Reset ------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---- Layout helpers ---------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--pad);
}

.section { padding-block: clamp(4rem, 9vw, 7rem); position: relative; }
.section--tight { padding-block: clamp(3rem, 6vw, 4.5rem); }

.eyebrow {
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  gap: .6em;
}
.eyebrow .num { color: var(--amber); }
.eyebrow--cyan .num { color: var(--cyan); }

h1, h2, h3 { font-family: var(--font-display); font-weight: 600; line-height: 1.08; letter-spacing: -.02em; }
h2 { font-size: clamp(1.9rem, 4.4vw, 3rem); }
h3 { font-size: 1.18rem; letter-spacing: -.01em; }

.lead { color: var(--muted); font-size: clamp(1rem, 2vw, 1.18rem); max-width: 52ch; }

.section-head { max-width: 60ch; margin-bottom: clamp(2.2rem, 5vw, 3.2rem); }
.section-head h2 { margin-top: .8rem; }
.section-head p { color: var(--muted); margin-top: 1rem; }

/* ---- Buttons ----------------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; gap: .6em;
  font-family: var(--font-body); font-weight: 600; font-size: .98rem;
  padding: .85em 1.4em; border-radius: 10px;
  border: 1px solid transparent; cursor: pointer;
  transition: transform .2s var(--ease), background .2s var(--ease),
              border-color .2s var(--ease), box-shadow .25s var(--ease);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn--primary {
  background: var(--amber); color: #1a1205;
  box-shadow: 0 0 0 0 rgba(239,169,74,.4);
}
.btn--primary:hover { box-shadow: 0 8px 30px -8px rgba(239,169,74,.55); }

.btn--ghost {
  background: transparent; color: var(--text);
  border-color: var(--border-2);
}
.btn--ghost:hover { border-color: var(--cyan); color: #fff; box-shadow: 0 8px 30px -12px rgba(70,194,200,.4); }

.btn--cyan { background: var(--cyan); color: #04201f; }
.btn--cyan:hover { box-shadow: 0 8px 30px -8px rgba(70,194,200,.55); }

.btn svg { width: 1.1em; height: 1.1em; }

/* ---- Top bar ----------------------------------------------------------- */
.topbar {
  position: sticky; top: 0; z-index: 50;
  border-bottom: 1px solid transparent;
  transition: background .3s var(--ease), border-color .3s var(--ease), backdrop-filter .3s;
}
.topbar.is-stuck {
  background: rgba(14,18,23,.78);
  backdrop-filter: blur(14px) saturate(140%);
  border-bottom-color: var(--border);
}
.topbar__inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1.5rem; height: 70px;
}
.brand { display: inline-flex; align-items: center; gap: .7rem; }
.brand__mark { width: 30px; height: 30px; flex: none; }
.brand__type {
  font-family: var(--font-display); font-weight: 700; font-size: 1.32rem;
  letter-spacing: .04em;
}
.brand__type b { color: var(--amber); font-weight: 700; }
.brand__type i { color: var(--cyan); font-style: normal; }

.nav { display: flex; align-items: center; gap: 2rem; }
.nav__links { display: flex; gap: 1.8rem; }
.nav__links a {
  font-size: .95rem; color: var(--muted); position: relative; padding: .2em 0;
  transition: color .2s;
}
.nav__links a::after {
  content: ''; position: absolute; left: 0; bottom: -2px; height: 1.5px; width: 0;
  background: linear-gradient(90deg, var(--amber), var(--cyan));
  transition: width .25s var(--ease);
}
.nav__links a:hover { color: var(--text); }
.nav__links a:hover::after { width: 100%; }

.nav__toggle {
  display: none; background: none; border: 1px solid var(--border-2);
  border-radius: 8px; width: 42px; height: 42px; cursor: pointer;
  color: var(--text); align-items: center; justify-content: center;
}
.nav__toggle svg { width: 20px; height: 20px; }

/* ---- Background texture (instrument grid) ------------------------------ */
.bg-grid {
  position: fixed; inset: 0; z-index: -2; pointer-events: none;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 64px 64px;
  opacity: .25;
  mask-image: radial-gradient(ellipse 90% 60% at 50% 0%, #000 0%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 90% 60% at 50% 0%, #000 0%, transparent 75%);
}
.bg-glow {
  position: fixed; z-index: -1; pointer-events: none;
  width: 70vw; height: 70vw; max-width: 900px; max-height: 900px;
  top: -25vw; left: 50%; transform: translateX(-50%);
  background: radial-gradient(circle, rgba(239,169,74,.10), transparent 60%),
              radial-gradient(circle at 70% 40%, rgba(70,194,200,.10), transparent 55%);
  filter: blur(20px);
}

/* ---- Hero -------------------------------------------------------------- */
.hero { padding-top: clamp(3rem, 7vw, 5.5rem); padding-bottom: clamp(3rem, 7vw, 5rem); }
.hero__eyebrow { margin-bottom: 1.6rem; }
.hero h1 {
  font-size: clamp(2.4rem, 6.4vw, 4.6rem);
  max-width: 16ch;
  margin-bottom: 1.5rem;
}
.hero h1 .grad {
  background: linear-gradient(100deg, var(--amber) 0%, #f0c074 38%, var(--cyan) 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero__lead { margin-bottom: 2.2rem; font-size: clamp(1.05rem, 2.2vw, 1.3rem); max-width: 58ch; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 1rem; align-items: center; }

/* ---- Signature spectrum bar ------------------------------------------- */
.spectrum {
  margin-top: clamp(2.5rem, 6vw, 4rem);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--surface), var(--bg-2));
  padding: clamp(1.2rem, 3vw, 1.8rem) clamp(1.2rem, 3vw, 2rem);
  position: relative;
  overflow: hidden;
}
.spectrum__labels {
  display: flex; justify-content: space-between;
  font-family: var(--font-mono); font-size: .74rem; letter-spacing: .08em;
  text-transform: uppercase; margin-bottom: 1rem;
}
.spectrum__labels .a { color: var(--amber); }
.spectrum__labels .b { color: var(--cyan); }
.spectrum__bars {
  display: flex; align-items: flex-end; gap: clamp(2px, .8vw, 6px);
  height: clamp(56px, 12vw, 96px);
}
.spectrum__bars span {
  flex: 1 1 0;
  border-radius: 3px 3px 1px 1px;
  /* color set inline via gradient stop per-bar in JS; fallback gradient here */
  background: var(--cyan);
  height: 30%;
  transform-origin: bottom;
  will-change: height;
}
.spectrum__scan {
  position: absolute; top: 0; bottom: 0; width: 14%;
  background: linear-gradient(90deg, transparent, rgba(230,234,240,.06), transparent);
  pointer-events: none;
  animation: scan 6.5s linear infinite;
}
@keyframes scan { 0% { left: -15%; } 100% { left: 100%; } }

/* ---- Two tracks -------------------------------------------------------- */
.tracks { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(1rem, 2.5vw, 1.6rem); }
.track {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  padding: clamp(1.6rem, 3.5vw, 2.4rem);
  position: relative; overflow: hidden;
  transition: border-color .3s var(--ease), transform .3s var(--ease);
}
.track::before {
  content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 3px;
}
.track--a::before { background: linear-gradient(180deg, var(--amber), transparent); }
.track--b::before { background: linear-gradient(180deg, var(--cyan), transparent); }
.track--a:hover { border-color: var(--amber-dim); transform: translateY(-3px); }
.track--b:hover { border-color: var(--cyan-dim); transform: translateY(-3px); }
.track__tag {
  font-family: var(--font-mono); font-size: .74rem; letter-spacing: .1em;
  text-transform: uppercase; display: inline-flex; align-items: center; gap: .5em;
  margin-bottom: 1.1rem;
}
.track--a .track__tag { color: var(--amber); }
.track--b .track__tag { color: var(--cyan); }
.track__tag .dot { width: 8px; height: 8px; border-radius: 50%; background: currentColor;
  box-shadow: 0 0 12px currentColor; }
.track h3 { font-size: clamp(1.3rem, 2.6vw, 1.6rem); margin-bottom: .8rem; }
.track p { color: var(--muted); }

/* ---- Services grid ----------------------------------------------------- */
.services { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(1rem, 2vw, 1.4rem); }
.card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  padding: clamp(1.5rem, 3vw, 2rem);
  position: relative; overflow: hidden;
  transition: border-color .3s var(--ease), transform .3s var(--ease), background .3s;
}
.card:hover { transform: translateY(-4px); background: var(--surface-2); }
.card--a:hover { border-color: var(--amber-dim); }
.card--b:hover { border-color: var(--cyan-dim); }
.card__top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1.1rem; }
.card__num { font-family: var(--font-mono); font-size: .8rem; color: var(--muted); letter-spacing: .05em; }
.card__icon {
  width: 40px; height: 40px; border-radius: 9px;
  display: grid; place-items: center;
  border: 1px solid var(--border-2);
}
.card--a .card__icon { color: var(--amber); background: rgba(239,169,74,.08); }
.card--b .card__icon { color: var(--cyan); background: rgba(70,194,200,.08); }
.card__icon svg { width: 22px; height: 22px; }
.card h3 { margin-bottom: .6rem; }
.card p { color: var(--muted); font-size: .96rem; }
.card__accent {
  position: absolute; right: -40px; bottom: -40px; width: 120px; height: 120px;
  border-radius: 50%; filter: blur(40px); opacity: 0; transition: opacity .35s;
}
.card--a .card__accent { background: rgba(239,169,74,.5); }
.card--b .card__accent { background: rgba(70,194,200,.5); }
.card:hover .card__accent { opacity: .25; }

/* ---- Why me ------------------------------------------------------------ */
.why { display: grid; grid-template-columns: repeat(2, 1fr); gap: clamp(1rem, 2.2vw, 1.6rem); }
.why-item {
  display: flex; gap: 1.1rem; align-items: flex-start;
  padding: clamp(1.3rem, 2.6vw, 1.8rem);
  border: 1px solid var(--border); border-radius: var(--radius);
  background: linear-gradient(180deg, var(--surface), transparent);
}
.why-item__no {
  font-family: var(--font-mono); font-size: .82rem; color: var(--amber);
  border: 1px solid var(--border-2); border-radius: 7px;
  padding: .35em .6em; flex: none; line-height: 1;
}
.why-item:nth-child(even) .why-item__no { color: var(--cyan); }
.why-item h3 { margin-bottom: .35rem; }
.why-item p { color: var(--muted); font-size: .96rem; }

/* ---- Process ----------------------------------------------------------- */
.process { display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(1rem, 2vw, 1.4rem); counter-reset: step; }
.step {
  position: relative; padding: clamp(1.4rem, 2.8vw, 1.8rem);
  border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--surface);
}
.step__no {
  font-family: var(--font-mono); font-size: .76rem; letter-spacing: .1em;
  color: var(--muted); margin-bottom: 1rem;
}
.step__no b { color: var(--text); font-size: 1.6rem; font-weight: 600; font-family: var(--font-display); }
.step h3 { font-size: 1.05rem; margin-bottom: .4rem; }
.step p { color: var(--muted); font-size: .92rem; }
.step__line {
  position: absolute; top: 2.1rem; right: -.7rem; width: 1.4rem; height: 1px;
  background: var(--border-2);
}
.step:last-child .step__line { display: none; }

/* ---- Contact ----------------------------------------------------------- */
.contact-wrap {
  border: 1px solid var(--border); border-radius: var(--radius);
  background:
    radial-gradient(120% 100% at 0% 0%, rgba(239,169,74,.07), transparent 50%),
    radial-gradient(120% 100% at 100% 100%, rgba(70,194,200,.07), transparent 50%),
    var(--surface);
  padding: clamp(2rem, 5vw, 3.5rem);
  display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}
.contact-wrap h2 { margin: .8rem 0 1rem; }
.contact-wrap p { color: var(--muted); max-width: 44ch; }
.contact-actions { display: flex; flex-direction: column; gap: 1rem; }
.contact-card {
  display: flex; align-items: center; gap: 1rem;
  border: 1px solid var(--border-2); border-radius: 11px;
  padding: 1.1rem 1.3rem; background: var(--bg-2);
  transition: border-color .25s var(--ease), transform .25s var(--ease), background .25s;
}
.contact-card:hover { transform: translateY(-2px); background: var(--surface); }
.contact-card--phone:hover { border-color: var(--amber); }
.contact-card--mail:hover { border-color: var(--cyan); }
.contact-card__ic {
  width: 46px; height: 46px; border-radius: 10px; flex: none;
  display: grid; place-items: center; border: 1px solid var(--border-2);
}
.contact-card--phone .contact-card__ic { color: var(--amber); background: rgba(239,169,74,.08); }
.contact-card--mail .contact-card__ic { color: var(--cyan); background: rgba(70,194,200,.08); }
.contact-card__ic svg { width: 22px; height: 22px; }
.contact-card__lbl { font-family: var(--font-mono); font-size: .72rem; letter-spacing: .1em;
  text-transform: uppercase; color: var(--muted); }
.contact-card__val { font-family: var(--font-display); font-size: 1.18rem; font-weight: 600; letter-spacing: .01em; }

.area-served {
  margin-top: 1.6rem; font-family: var(--font-mono); font-size: .8rem;
  color: var(--muted); line-height: 1.9;
}
.area-served b { color: var(--text); font-weight: 500; }
.area-served .pin { color: var(--cyan); }

/* ---- Footer ------------------------------------------------------------ */
.footer { border-top: 1px solid var(--border); padding-block: clamp(2.5rem, 5vw, 3.5rem); margin-top: 2rem; }
.footer__grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 2rem; }
.footer__brand .brand { margin-bottom: 1rem; }
.footer__brand p { color: var(--muted); font-size: .92rem; max-width: 34ch; }
.footer h4 { font-family: var(--font-mono); font-size: .74rem; letter-spacing: .12em;
  text-transform: uppercase; color: var(--muted); margin-bottom: 1rem; font-weight: 500; }
.footer ul li { margin-bottom: .55rem; }
.footer a { color: var(--text); font-size: .94rem; transition: color .2s; }
.footer a:hover { color: var(--cyan); }
.footer__legal {
  margin-top: 2.5rem; padding-top: 1.5rem; border-top: 1px solid var(--border);
  display: flex; flex-wrap: wrap; gap: .5rem 1.5rem; justify-content: space-between;
  font-size: .85rem; color: var(--muted-2);
}
.footer__legal .mono { font-family: var(--font-mono); }

/* ---- Legal pages ------------------------------------------------------- */
.legal { max-width: 760px; }
.legal h1 { font-size: clamp(2rem, 5vw, 2.8rem); margin-bottom: 1rem; }
.legal .updated { font-family: var(--font-mono); font-size: .8rem; color: var(--muted); margin-bottom: 2.5rem; }
.legal h2 { font-size: 1.4rem; margin: 2.4rem 0 .8rem; }
.legal h3 { margin: 1.6rem 0 .5rem; }
.legal p, .legal li { color: var(--muted); margin-bottom: .8rem; }
.legal ul { list-style: disc; padding-left: 1.3rem; margin-bottom: 1rem; }
.legal a { color: var(--cyan); text-decoration: underline; text-underline-offset: 3px; }
.legal .back { display: inline-flex; align-items: center; gap: .5em; margin-top: 3rem;
  font-family: var(--font-mono); font-size: .85rem; color: var(--muted); }
.legal .back:hover { color: var(--text); }
.legal .placeholder {
  display: inline-block; background: rgba(239,169,74,.12); color: var(--amber);
  border: 1px dashed var(--amber-dim); border-radius: 5px; padding: .1em .5em;
  font-family: var(--font-mono); font-size: .85rem;
}

/* ---- Reveal animations ------------------------------------------------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: .08s; }
.reveal[data-delay="2"] { transition-delay: .16s; }
.reveal[data-delay="3"] { transition-delay: .24s; }
.reveal[data-delay="4"] { transition-delay: .32s; }
.reveal[data-delay="5"] { transition-delay: .40s; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1 !important; transform: none !important; transition: none !important; }
  .spectrum__scan { animation: none; display: none; }
  .spectrum__bars span { transition: none; }
  .btn:hover, .card:hover, .track:hover, .contact-card:hover { transform: none; }
}

/* ---- Responsive -------------------------------------------------------- */
@media (max-width: 920px) {
  .services { grid-template-columns: 1fr 1fr; }
  .process { grid-template-columns: 1fr 1fr; }
  .step__line { display: none; }
  .contact-wrap { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .nav__links, .nav .btn { display: none; }
  .nav__toggle { display: inline-flex; }
  .nav.is-open .nav__links {
    display: flex; flex-direction: column; gap: 0;
    position: absolute; top: 70px; left: 0; right: 0;
    background: rgba(14,18,23,.97); backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border); padding: .5rem var(--pad) 1.2rem;
  }
  .nav.is-open .nav__links a { padding: .9rem 0; border-bottom: 1px solid var(--border); }
  .nav.is-open .nav__links a::after { display: none; }
  .nav.is-open .btn { display: inline-flex; margin-top: 1rem; justify-content: center; }
  .tracks { grid-template-columns: 1fr; }
  .why { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .footer__brand { grid-column: 1 / -1; }
}
@media (max-width: 520px) {
  body { font-size: 16px; }
  .services { grid-template-columns: 1fr; }
  .process { grid-template-columns: 1fr; }
  .hero__cta { flex-direction: column; align-items: stretch; }
  .hero__cta .btn { justify-content: center; }
  .footer__grid { grid-template-columns: 1fr; }
}