/*
Theme Name: WELTRI
Theme URI: https://weltri.pl
Author: WELTRI
Author URI: https://weltri.pl
Description: Lekki motyw WordPress dla WELTRI - schody metalowe, konstrukcje stalowe i projektowanie CAD 3D.
Version: 0.1.0
Requires at least: 6.0
Tested up to: 6.5
Requires PHP: 8.0
Text Domain: weltri
*/

:root {
  --bg: #111312;
  --bg-strong: #171918;
  --black: #080a09;
  --surface: #232625;
  --surface-strong: #2d312f;
  --ink: #f5f1ea;
  --muted: #b9bfbc;
  --paper: #f7f4ef;
  --paper-ink: #171918;
  --paper-muted: #5d6661;
  --line: #d9d5cc;
  --line-dark: #464b48;
  --accent: #ff7900;
  --accent-bright: #ffb000;
  --accent-dark: #dc3f00;
  --steel: #aeb5b1;
  --steel-dark: #5b625f;
  --max: 1180px;
  --radius: 8px;
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.26);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--paper-ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
a,
.btn,
.card,
.process-step,
.area-list a,
.area-list span,
.brand-logo-img {
  transition:
    transform 220ms ease,
    border-color 220ms ease,
    background-color 220ms ease,
    color 220ms ease,
    box-shadow 220ms ease,
    opacity 220ms ease;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(18, 20, 19, 0.96);
  color: var(--ink);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(18px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: min(100% - 32px, var(--max));
  min-height: 86px;
  margin: 0 auto;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  min-width: 170px;
  border: 0;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.brand-logo-img {
  width: 156px;
  height: 68px;
  object-fit: contain;
  object-position: center;
  filter: drop-shadow(0 12px 18px rgba(0, 0, 0, 0.36));
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(255, 121, 0, 0.55);
  border-radius: 4px;
  background:
    linear-gradient(135deg, rgba(255, 176, 0, 0.92), rgba(220, 63, 0, 0.95)),
    var(--accent);
  color: #111312;
  font-weight: 950;
  letter-spacing: 0;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 20px;
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

.nav-menu a:hover,
.nav-menu .current-menu-item > a {
  color: var(--ink);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-weight: 850;
  line-height: 1;
  cursor: pointer;
}

.btn-primary {
  background:
    linear-gradient(135deg, var(--accent-bright), var(--accent-dark));
  color: #181a19;
  box-shadow: 0 18px 42px rgba(220, 63, 0, 0.32);
}

.btn-secondary {
  border-color: rgba(245, 241, 234, 0.28);
  color: var(--ink);
}

.btn-dark {
  background: var(--bg);
  color: var(--ink);
}

.hero {
  background:
    linear-gradient(90deg, rgba(8, 10, 9, 0.98), rgba(17, 19, 18, 0.86) 49%, rgba(17, 19, 18, 0.58)),
    linear-gradient(135deg, #080a09, #202423 44%, #121413);
  color: var(--ink);
  overflow: hidden;
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(360px, 0.82fr);
  gap: 48px;
  align-items: center;
  width: min(100% - 32px, var(--max));
  min-height: calc(100vh - 76px);
  margin: 0 auto;
  padding: 70px 0 84px;
  position: relative;
}

.hero-inner::after {
  content: "";
  position: absolute;
  right: -16vw;
  top: 7%;
  width: 46vw;
  height: 46vw;
  border: 1px solid rgba(255, 121, 0, 0.22);
  border-radius: 50%;
  opacity: 0.58;
  pointer-events: none;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--accent-bright);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.05;
  letter-spacing: 0;
}

h1 {
  max-width: 920px;
  font-size: clamp(46px, 6vw, 84px);
  max-inline-size: 12.6ch;
}

h2 {
  font-size: clamp(30px, 4vw, 52px);
}

h3 {
  font-size: 24px;
}

.lead {
  max-width: 760px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: clamp(18px, 2vw, 22px);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.hero-panel {
  position: relative;
  align-self: stretch;
  display: grid;
  grid-template-rows: 1fr auto;
  min-height: 560px;
  padding: 34px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.03)),
    linear-gradient(135deg, rgba(174, 181, 177, 0.16), transparent 36%),
    #141716;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.hero-panel::before {
  content: "";
  position: absolute;
  inset: 34px 34px 178px;
  background:
    linear-gradient(128deg, transparent 0 57%, rgba(255, 176, 0, 0.72) 57% 59%, transparent 59% 100%),
    linear-gradient(38deg, transparent 0 53%, rgba(174, 181, 177, 0.44) 53% 54.2%, transparent 54.2% 100%),
    linear-gradient(90deg, transparent 0 17%, rgba(174, 181, 177, 0.32) 17% 18%, transparent 18% 100%),
    repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.04) 0 1px, transparent 1px 26px),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.035) 0 1px, transparent 1px 26px);
  clip-path: polygon(0 42%, 18% 42%, 18% 28%, 42% 28%, 42% 15%, 66% 15%, 66% 0, 100% 0, 100% 100%, 0 100%);
  opacity: 0.56;
}

.hero-panel::after {
  content: "CAD / STEEL / STAIRS";
  position: absolute;
  right: 24px;
  top: 24px;
  color: rgba(245, 241, 234, 0.32);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.16em;
  writing-mode: vertical-rl;
}

.hero-logo {
  position: absolute;
  left: 50%;
  top: 38%;
  z-index: 1;
  width: min(68%, 360px);
  transform: translate(-50%, -50%);
  filter: drop-shadow(0 26px 36px rgba(0, 0, 0, 0.42));
}

.hero-panel strong {
  color: var(--accent-bright);
}

.hero-facts {
  position: relative;
  z-index: 2;
  align-self: end;
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-hero {
  background:
    linear-gradient(90deg, rgba(8, 10, 9, 0.98), rgba(17, 19, 18, 0.82)),
    linear-gradient(135deg, #080a09, #202423 44%, #121413);
  color: var(--ink);
}

.page-hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 0.96fr) minmax(320px, 0.68fr);
  gap: 48px;
  align-items: end;
  width: min(100% - 32px, var(--max));
  margin: 0 auto;
  padding: 92px 0 74px;
}

.page-hero h1 {
  max-inline-size: 13.8ch;
}

.page-summary {
  padding: 26px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.05);
}

.page-summary p {
  margin: 0;
  color: var(--muted);
}

.breadcrumbs {
  display: flex;
  gap: 8px;
  margin-bottom: 18px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.breadcrumbs a {
  color: var(--accent-bright);
}

.service-list {
  display: grid;
  gap: 14px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.service-list li {
  padding: 16px 18px;
  border-left: 4px solid var(--accent);
  background: #fff;
  color: var(--paper-muted);
  font-weight: 750;
}

.dark-list li {
  background: rgba(255, 255, 255, 0.06);
  color: var(--muted);
}

.hero-facts li {
  padding: 14px 16px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  background: rgba(8, 10, 9, 0.62);
  color: var(--muted);
  backdrop-filter: blur(10px);
}

.section {
  padding: 96px 0;
}

.section-dark {
  background: var(--bg);
  color: var(--ink);
}

.section-inner {
  width: min(100% - 32px, var(--max));
  margin: 0 auto;
}

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(280px, 0.65fr);
  gap: 40px;
  align-items: end;
  margin-bottom: 34px;
}

.section-head p {
  margin: 0;
  color: var(--paper-muted);
  font-size: 18px;
}

.section-dark .section-head p,
.section-dark .muted {
  color: var(--muted);
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.card {
  position: relative;
  min-height: 270px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  overflow: hidden;
}

.card::before {
  content: "";
  display: block;
  width: 42px;
  height: 4px;
  margin-bottom: 28px;
  background: linear-gradient(90deg, var(--accent), var(--accent-bright));
}

.section-dark .card {
  border-color: rgba(255, 255, 255, 0.12);
  background: var(--surface);
}

.card p {
  margin: 16px 0 0;
  color: var(--paper-muted);
}

.feature-card {
  min-height: 360px;
  padding: 30px;
  border-color: rgba(255, 255, 255, 0.12);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.025)),
    var(--surface);
}

.feature-card:nth-child(2) {
  transform: translateY(26px);
}

.feature-card:nth-child(3) {
  transform: translateY(52px);
}

.section-dark .card p {
  color: var(--muted);
}

.card-link {
  display: inline-flex;
  margin-top: 20px;
  color: var(--accent-dark);
  font-weight: 850;
}

.section-dark .card-link {
  color: var(--accent-bright);
}

.process {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 1px;
  background: var(--line-dark);
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  overflow: hidden;
}

.feature-card + .feature-card {
  margin-top: 0;
}

.grid-3 + .process {
  margin-top: 74px;
}

.process-step {
  min-height: 210px;
  padding: 20px;
  background: var(--bg-strong);
}

.process-step span {
  display: block;
  margin-bottom: 42px;
  color: var(--accent-bright);
  font-weight: 900;
}

.area-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.proof-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  margin-top: -1px;
  background: rgba(255, 255, 255, 0.1);
}

.proof-item {
  padding: 28px 22px;
  background: #0d0f0e;
  color: var(--ink);
}

.proof-item strong {
  display: block;
  color: var(--accent-bright);
  font-size: 34px;
  line-height: 1;
}

.proof-item span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-weight: 750;
}

.visual-band {
  background:
    linear-gradient(90deg, rgba(245, 241, 234, 0.95), rgba(245, 241, 234, 0.72)),
    repeating-linear-gradient(135deg, rgba(17, 19, 18, 0.08) 0 1px, transparent 1px 22px);
}

.split-visual {
  display: grid;
  grid-template-columns: minmax(0, 0.75fr) minmax(320px, 1fr);
  gap: 52px;
  align-items: center;
}

.cad-board {
  min-height: 430px;
  border: 1px solid rgba(17, 19, 18, 0.16);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(255, 121, 0, 0.2), transparent 30%),
    linear-gradient(34deg, transparent 0 39%, rgba(17, 19, 18, 0.82) 39% 41%, transparent 41% 100%),
    linear-gradient(132deg, transparent 0 45%, rgba(17, 19, 18, 0.62) 45% 46.4%, transparent 46.4% 100%),
    repeating-linear-gradient(0deg, rgba(17, 19, 18, 0.09) 0 1px, transparent 1px 25px),
    repeating-linear-gradient(90deg, rgba(17, 19, 18, 0.08) 0 1px, transparent 1px 25px),
    #e9e4db;
  box-shadow: 0 22px 70px rgba(17, 19, 18, 0.18);
}

.area-list a,
.area-list span {
  display: inline-flex;
  min-height: 38px;
  align-items: center;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  color: var(--paper-muted);
  font-weight: 750;
}

.faq {
  display: grid;
  gap: 10px;
}

.faq details {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.faq summary {
  padding: 18px 20px;
  font-weight: 850;
  cursor: pointer;
}

.faq details p {
  margin: 0;
  padding: 0 20px 20px;
  color: var(--paper-muted);
}

.contact-band {
  background:
    linear-gradient(90deg, rgba(17, 19, 18, 0.98), rgba(17, 19, 18, 0.78)),
    linear-gradient(135deg, #101211, #303331);
  color: var(--ink);
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.6fr);
  gap: 44px;
  align-items: center;
}

.contact-card {
  padding: 28px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.05);
}

.contact-card p {
  margin: 10px 0 0;
  color: var(--muted);
}

.site-footer {
  padding: 34px 0;
  background: #0d0f0e;
  color: var(--muted);
  font-size: 14px;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  width: min(100% - 32px, var(--max));
  margin: 0 auto;
}

.mobile-quick {
  position: fixed;
  right: 14px;
  bottom: 14px;
  z-index: 30;
  display: none;
  gap: 8px;
}

@media (max-width: 980px) {
  .nav-menu {
    display: none;
  }

  .brand {
    min-width: auto;
  }

  .hero-inner,
  .page-hero-inner,
  .section-head,
  .contact-grid,
  .split-visual {
    grid-template-columns: 1fr;
  }

  .hero-inner {
    min-height: auto;
  }

  .grid-4,
  .grid-3,
  .process,
  .proof-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .feature-card:nth-child(2),
  .feature-card:nth-child(3) {
    transform: none;
  }
}

@media (max-width: 640px) {
  .header-actions {
    display: none;
  }

  .hero-inner {
    padding: 48px 0 62px;
  }

  h1 {
    font-size: 42px;
    max-inline-size: none;
  }

  .grid-4,
  .grid-3,
  .process,
  .proof-strip {
    grid-template-columns: 1fr;
  }

  .hero-panel {
    min-height: 320px;
  }

  .mobile-quick {
    display: flex;
  }

  .footer-inner {
    flex-direction: column;
  }
}

.brand:hover .brand-logo-img {
  transform: translateY(-1px) scale(1.02);
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary:hover {
  box-shadow: 0 22px 52px rgba(220, 63, 0, 0.42);
}

.btn-secondary:hover {
  border-color: rgba(255, 176, 0, 0.72);
  color: var(--accent-bright);
}

.card:hover {
  transform: translateY(-6px);
  border-color: rgba(255, 121, 0, 0.42);
  box-shadow: 0 18px 44px rgba(17, 19, 18, 0.12);
}

.section-dark .card:hover {
  box-shadow: 0 18px 52px rgba(0, 0, 0, 0.28);
}

.card-link:hover {
  color: var(--accent);
  transform: translateX(4px);
}

.process-step:hover {
  background: #202423;
}

.area-list a:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 121, 0, 0.55);
  color: var(--paper-ink);
}

.hero-inner::after {
  animation: heroRing 18s ease-in-out infinite alternate;
}

.hero-panel::before {
  animation: cadDrift 16s ease-in-out infinite alternate;
}

.hero-logo {
  animation: logoFloat 7s ease-in-out infinite;
}

.cad-board {
  animation: boardGlow 9s ease-in-out infinite alternate;
}

body.is-animated .reveal {
  opacity: 0;
  transform: translateY(26px);
}

body.is-animated .reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
  transition:
    opacity 700ms ease,
    transform 700ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

body.is-animated .reveal:nth-child(2) {
  transition-delay: 80ms;
}

body.is-animated .reveal:nth-child(3) {
  transition-delay: 140ms;
}

body.is-animated .reveal:nth-child(4) {
  transition-delay: 200ms;
}

@keyframes heroRing {
  from {
    transform: translate3d(0, 0, 0) scale(1);
    opacity: 0.48;
  }
  to {
    transform: translate3d(-34px, 18px, 0) scale(1.04);
    opacity: 0.72;
  }
}

@keyframes cadDrift {
  from {
    transform: translate3d(0, 0, 0);
  }
  to {
    transform: translate3d(18px, -14px, 0);
  }
}

@keyframes logoFloat {
  0%,
  100% {
    transform: translate(-50%, -50%);
  }
  50% {
    transform: translate(-50%, calc(-50% - 8px));
  }
}

@keyframes boardGlow {
  from {
    box-shadow: 0 22px 70px rgba(17, 19, 18, 0.18);
  }
  to {
    box-shadow: 0 28px 82px rgba(220, 63, 0, 0.16);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.001ms !important;
  }

  body.is-animated .reveal {
    opacity: 1;
    transform: none;
  }
}