:root {
  --bg: #09131c;
  --bg-soft: #12212f;
  --panel: #f2f2ef;
  --panel-dark: #d3d6da;
  --steel: #536474;
  --steel-light: #93a2af;
  --ink: #f5f6f7;
  --text-dark: #0f1b27;
  --muted: #a8b3bc;
  --line: rgba(255, 255, 255, 0.12);
  --accent: #d40d17;
  --accent-dark: #8a0910;
  --shadow: 0 20px 40px rgba(0, 0, 0, 0.32);
  --shadow-strong: 0 28px 58px rgba(0, 0, 0, 0.44);
  --radius: 18px;
  --radius-sm: 10px;
  --max-width: 1120px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  font-family: "Source Sans 3", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 50% 0, rgba(56, 88, 118, 0.18), transparent 36%),
    linear-gradient(180deg, #152534 0%, #09131c 48%, #050c12 100%);
}

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

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

button,
input,
textarea,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

:focus-visible {
  outline: 2px solid rgba(212, 13, 23, 0.72);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -3rem;
  z-index: 1000;
  padding: 0.75rem 1rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #111b25;
  color: white;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 1rem;
}

.container {
  width: min(100% - 2.4rem, var(--max-width));
  margin: 0 auto;
}

.site-frame {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.frame-side {
  position: absolute;
  top: 0;
  bottom: 0;
  width: clamp(24px, 3.2vw, 42px);
  background:
    linear-gradient(90deg, #2d3944 0 16%, #7a8996 16% 32%, #c9d2d8 32% 52%, #7a8996 52% 72%, #2d3944 72% 100%);
  box-shadow:
    inset 0 0 0 1px rgba(22, 29, 35, 0.78),
    inset 0 14px 18px rgba(255, 255, 255, 0.14),
    inset 0 -14px 18px rgba(0, 0, 0, 0.28);
}

.frame-side::before,
.frame-side::after {
  content: "";
  position: absolute;
  left: -10px;
  right: -10px;
  height: 22px;
  background:
    linear-gradient(180deg, #c9d2d8 0%, #95a4b0 55%, #536473 100%);
  box-shadow: inset 0 0 0 1px rgba(18, 25, 31, 0.65);
}

.frame-side::before {
  top: 116px;
}

.frame-side::after {
  bottom: 116px;
}

.frame-side-left {
  left: 0;
}

.frame-side-right {
  right: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(7, 14, 21, 0.84);
  backdrop-filter: blur(10px);
}

.site-header.scrolled {
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.24);
}

.topbar {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 1.5rem;
  align-items: center;
  min-height: 88px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
}

.brand-mark-wrap {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  border-radius: 6px;
  background:
    linear-gradient(180deg, #dfe4e8 0%, #98a6b1 100%);
  box-shadow:
    inset 0 0 0 1px rgba(21, 28, 34, 0.55),
    inset 0 1px 0 rgba(255, 255, 255, 0.46);
}

.brand-mark {
  width: 32px;
  height: 32px;
}

.brand-copy {
  display: flex;
  flex-direction: column;
}

.brand-copy small,
.brand-copy strong {
  font-family: "Barlow Condensed", sans-serif;
  text-transform: uppercase;
}

.brand-copy small {
  color: #a8b3bc;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
}

.brand-copy strong {
  color: white;
  font-size: 2rem;
  line-height: 0.92;
  letter-spacing: 0.04em;
}

.site-nav {
  display: flex;
  justify-content: center;
  gap: 1.4rem;
}

.site-nav a {
  color: #d4dbe0;
  font-family: "Barlow Condensed", sans-serif;
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: color 0.2s ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: white;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.9rem;
}

.header-phone,
.menu-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0.85rem 1.2rem;
  border-radius: 4px;
  border: 1px solid rgba(212, 13, 23, 0.26);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.02));
  color: white;
  font-weight: 800;
}

.header-phone {
  min-width: 160px;
  color: #ffefef;
}

.menu-toggle {
  display: none;
  gap: 0.45rem;
}

.menu-toggle span {
  display: block;
}

.menu-toggle span:not(.menu-label) {
  width: 16px;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
}

.menu-label {
  margin-left: 0.3rem;
  font-size: 0.9rem;
}

main {
  position: relative;
  z-index: 1;
}

.hero {
  padding: 2rem 0 1.8rem;
}

.hero-stage {
  position: relative;
  display: grid;
  gap: 1.5rem;
  padding: 2rem 1.4rem 2.2rem;
  border: 1px solid rgba(136, 151, 163, 0.24);
  background:
    linear-gradient(180deg, rgba(28, 42, 56, 0.65), rgba(10, 17, 24, 0.92)),
    linear-gradient(180deg, #1f3347 0%, #101a24 100%);
  box-shadow: var(--shadow-strong);
  overflow: hidden;
}

.hero-stage::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.05), transparent 16%, transparent 84%, rgba(255, 255, 255, 0.05)),
    radial-gradient(circle at 50% 20%, rgba(129, 183, 226, 0.18), transparent 28%),
    radial-gradient(circle at 50% 74%, rgba(0, 0, 0, 0.28), transparent 24%);
  pointer-events: none;
}

.hero-stage > * {
  position: relative;
  z-index: 1;
}

.hanging-sign {
  position: relative;
  display: grid;
  justify-items: center;
  width: min(100%, 760px);
  margin: 0 auto;
  padding-top: 1rem;
}

.chain {
  position: absolute;
  top: 0;
  width: 4px;
  height: 54px;
  background:
    repeating-linear-gradient(
      180deg,
      #333d46 0 6px,
      #778491 6px 12px
    );
}

.chain-left {
  left: 18%;
}

.chain-right {
  right: 18%;
}

.sign-roof {
  width: min(100%, 700px);
  height: 18px;
  border-radius: 4px 4px 0 0;
  background: linear-gradient(180deg, #ff2832 0%, #a30710 100%);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.32);
}

.sign-panel {
  display: grid;
  justify-items: center;
  width: min(100%, 700px);
  padding: 1rem 1.4rem 0.9rem;
  border-inline: 1px solid rgba(59, 71, 82, 0.65);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.36), rgba(255, 255, 255, 0.08)),
    repeating-linear-gradient(180deg, rgba(87, 97, 106, 0.12) 0 2px, rgba(255, 255, 255, 0.62) 2px 16px),
    linear-gradient(180deg, #f8f8f6 0%, #e8ebee 100%);
}

.sign-panel strong {
  font-family: "Barlow Condensed", sans-serif;
  font-size: clamp(4rem, 10vw, 7.2rem);
  line-height: 0.8;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: #204a78;
  text-shadow:
    0 2px 0 #0d2640,
    0 4px 8px rgba(13, 38, 64, 0.38);
}

.sign-base {
  width: min(100%, 700px);
  height: 22px;
  border-top: 6px solid #d20d17;
  background:
    linear-gradient(180deg, #25374a 0%, #121d27 100%);
  box-shadow: 0 10px 18px rgba(0, 0, 0, 0.35);
}

.hero-copy {
  display: grid;
  justify-items: center;
  gap: 1rem;
  text-align: center;
  margin-top: 0.5rem;
}

.hero-overline {
  margin: 0;
  font-family: "Barlow Condensed", sans-serif;
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #dfe5ea;
}

.hero h1 {
  margin: 0;
  font-family: "Barlow Condensed", sans-serif;
  font-size: clamp(3.8rem, 8vw, 6.2rem);
  line-height: 0.9;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: white;
  text-shadow: 0 6px 14px rgba(0, 0, 0, 0.4);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 186px;
  min-height: 54px;
  padding: 0.95rem 1.3rem;
  border-radius: 4px;
  border: 1px solid transparent;
  font-family: "Barlow Condensed", sans-serif;
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease,
    background-color 0.2s ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
}

.button-primary,
.button-secondary {
  background: linear-gradient(180deg, #f21a25 0%, #a50b12 100%);
  color: white;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.18),
    0 10px 18px rgba(0, 0, 0, 0.3);
}

.hero-showcase {
  position: relative;
  overflow: hidden;
  min-height: 360px;
  margin: 0;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background:
    linear-gradient(180deg, rgba(125, 172, 211, 0.18), rgba(255, 255, 255, 0.02)),
    linear-gradient(180deg, #4f6a84 0%, #23374c 42%, #162532 100%);
  box-shadow: var(--shadow);
}

.hero-sky {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 50% 24%, rgba(154, 203, 245, 0.42), transparent 30%),
    linear-gradient(180deg, rgba(152, 193, 232, 0.5), transparent 32%);
  pointer-events: none;
}

.hall-illustration {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 68%;
}

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

.feature-card {
  display: grid;
  justify-items: center;
  gap: 0.75rem;
  padding: 1.2rem 1rem 1.1rem;
  text-align: center;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(227, 230, 234, 0.96));
  color: var(--text-dark);
  box-shadow: var(--shadow);
}

.feature-icon {
  color: #2b4d73;
  font-size: 2rem;
  line-height: 1;
}

.feature-card h2 {
  margin: 0;
  font-family: "Barlow Condensed", sans-serif;
  font-size: 2rem;
  line-height: 0.95;
  text-transform: uppercase;
}

.feature-card p {
  margin: 0;
  color: #243341;
  font-size: 1rem;
  line-height: 1.45;
}

.section {
  padding: 4.2rem 0;
}

.section-products {
  padding-top: 2.4rem;
}

.title-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  justify-content: center;
  margin-bottom: 1.8rem;
}

.title-row h2,
.section-kicker,
.text-panel h2,
.contact-copy h2 {
  font-family: "Barlow Condensed", sans-serif;
  text-transform: uppercase;
}

.title-row h2 {
  margin: 0;
  font-size: clamp(2.8rem, 5vw, 4.3rem);
  letter-spacing: 0.04em;
  text-shadow: 0 6px 14px rgba(0, 0, 0, 0.34);
}

.title-line {
  width: min(24vw, 180px);
  height: 6px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.92), transparent);
}

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

.product-card {
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: linear-gradient(180deg, #192733 0%, #0e171f 100%);
  box-shadow: var(--shadow);
}

.product-image {
  position: relative;
  height: 290px;
  background: #0f1720;
}

.product-image::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("assets/reference-poster.png");
  background-repeat: no-repeat;
}

.product-image-roof::before {
  background-size: 268%;
  background-position: 5% 88%;
}

.product-image-wall::before {
  background-size: 268%;
  background-position: 50% 88%;
}

.product-image-frigo::before {
  background-size: 268%;
  background-position: 96% 88%;
}

.product-caption {
  padding: 0.85rem 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  background:
    linear-gradient(180deg, rgba(75, 108, 143, 0.75), rgba(27, 47, 70, 0.95));
  font-family: "Barlow Condensed", sans-serif;
  font-size: 2rem;
  font-weight: 700;
  line-height: 1;
  text-align: center;
  text-transform: uppercase;
  text-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

.section-dark {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), transparent 22%),
    linear-gradient(180deg, #0a131a 0%, #101c26 100%);
}

.split-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 1.3rem;
  align-items: center;
}

.reverse-grid {
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
}

.text-panel,
.contact-panel {
  padding: 1.5rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background:
    linear-gradient(180deg, rgba(13, 24, 34, 0.9), rgba(7, 14, 21, 0.92));
  box-shadow: var(--shadow);
}

.text-panel {
  display: grid;
  gap: 1rem;
}

.section-kicker {
  color: #ff4650;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.14em;
}

.text-panel h2,
.contact-copy h2 {
  margin: 0;
  font-size: clamp(2.5rem, 5vw, 4rem);
  line-height: 0.92;
  letter-spacing: 0.03em;
}

.text-panel p,
.contact-copy p {
  margin: 0;
  color: #cfdae2;
  font-size: 1.08rem;
  line-height: 1.7;
}

.bullet-list {
  display: grid;
  gap: 0.7rem;
  margin: 0;
  padding-left: 1.25rem;
  color: #f1f4f6;
}

.bullet-list li {
  line-height: 1.5;
}

.media-panel {
  overflow: hidden;
  margin: 0;
  min-height: 320px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(0, 0, 0, 0.18)),
    linear-gradient(180deg, #24394d 0%, #152534 100%);
  box-shadow: var(--shadow);
}

.media-panel img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 1rem;
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem;
}

.info-chip,
.contact-box {
  padding: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.05);
}

.info-chip span,
.contact-box span {
  display: block;
  margin-bottom: 0.35rem;
  color: #9ba8b2;
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.info-chip strong,
.contact-box strong {
  display: block;
  color: white;
  line-height: 1.4;
}

.contact-section {
  padding-bottom: 5rem;
}

.contact-panel {
  display: grid;
  gap: 1.2rem;
}

.contact-actions-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem;
}

.contact-box {
  transition:
    transform 0.2s ease,
    border-color 0.2s ease,
    background-color 0.2s ease;
}

.contact-box:hover,
.contact-box:focus-visible {
  transform: translateY(-1px);
  border-color: rgba(212, 13, 23, 0.32);
  background: rgba(255, 255, 255, 0.08);
}

.site-footer {
  position: relative;
  z-index: 1;
  padding: 1.8rem 0 2.4rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(3, 7, 10, 0.72);
}

.footer-inner {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
}

.site-footer strong {
  display: block;
  margin-bottom: 0.35rem;
}

.site-footer p {
  margin: 0;
  color: var(--muted);
}

.footer-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.7rem 1rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.js .reveal {
  opacity: 0;
  transform: translateY(18px);
  transition:
    opacity 0.45s ease,
    transform 0.45s ease;
}

.js .reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1100px) {
  .feature-grid,
  .product-grid,
  .contact-actions-grid,
  .info-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .split-grid,
  .reverse-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 900px) {
  body.nav-open {
    overflow: hidden;
  }

  .frame-side {
    display: none;
  }

  .topbar {
    grid-template-columns: auto auto;
    grid-template-areas:
      "brand actions"
      "nav nav";
    gap: 0.8rem 1rem;
    min-height: auto;
    padding: 0.9rem 0;
  }

  .brand {
    grid-area: brand;
  }

  .header-actions {
    grid-area: actions;
    justify-self: end;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .header-phone {
    display: none;
  }

  .site-nav {
    grid-area: nav;
    position: fixed;
    top: 88px;
    left: 1rem;
    right: 1rem;
    flex-direction: column;
    align-items: stretch;
    gap: 0.35rem;
    padding: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(7, 14, 21, 0.98);
    box-shadow: var(--shadow-strong);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition:
      opacity 0.2s ease,
      transform 0.2s ease,
      visibility 0.2s ease;
  }

  .site-nav.is-open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .hero-stage {
    padding-inline: 0.9rem;
  }

  .chain-left {
    left: 12%;
  }

  .chain-right {
    right: 12%;
  }

  .sign-panel strong {
    font-size: clamp(3rem, 13vw, 5.5rem);
  }
}

@media (max-width: 640px) {
  .container {
    width: min(100% - 1rem, var(--max-width));
  }

  .brand-copy strong {
    font-size: 1.5rem;
  }

  .brand-copy small {
    font-size: 0.66rem;
  }

  .hero {
    padding-top: 1rem;
  }

  .hero-stage {
    gap: 1.1rem;
    padding: 1.1rem 0.8rem 1.4rem;
  }

  .sign-roof {
    height: 14px;
  }

  .sign-base {
    height: 16px;
    border-top-width: 4px;
  }

  .hero h1 {
    font-size: clamp(2.8rem, 12vw, 4.2rem);
  }

  .hero-overline {
    font-size: 0.84rem;
  }

  .button {
    width: 100%;
  }

  .feature-grid,
  .product-grid,
  .contact-actions-grid,
  .info-grid {
    grid-template-columns: 1fr;
  }

  .product-image {
    height: 240px;
  }

  .product-caption {
    font-size: 1.65rem;
  }

  .title-row {
    gap: 0.75rem;
  }

  .title-line {
    width: 56px;
  }

  .section {
    padding: 3.4rem 0;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-meta {
    justify-content: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}