/* ============================================================
   GKM Tools — modern dark industrial redesign
   Pure CSS, no frameworks
   ============================================================ */

:root {
  --bg-0: #06090f;
  --bg-1: #0a101a;
  --bg-2: #0e1624;
  --panel: rgba(255, 255, 255, 0.035);
  --panel-strong: rgba(255, 255, 255, 0.06);
  --line: rgba(148, 184, 222, 0.14);
  --line-strong: rgba(148, 184, 222, 0.28);
  --text: #e8eef6;
  --text-dim: #9fb0c3;
  --text-faint: #64748b;
  --accent: #4da3ff;
  --accent-2: #38e8ff;
  --accent-soft: rgba(77, 163, 255, 0.12);
  --glow: rgba(77, 163, 255, 0.45);
  --radius: 14px;
  --font-display: 'Rajdhani', 'Segoe UI', sans-serif;
  --font-body: 'Inter', 'Segoe UI', sans-serif;
  --header-h: 76px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 12px);
}

body {
  font-family: var(--font-body);
  background: var(--bg-0);
  color: var(--text);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--accent); color: #04111f; }

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: 0.01em;
}

.container {
  width: min(1180px, 92%);
  margin-inline: auto;
}

/* ---------- decorative section tag ---------- */
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: 'JetBrains Mono', 'Consolas', monospace;
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
}
.section-tag::before {
  content: "";
  width: 34px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent));
}

.section-title {
  font-size: clamp(1.9rem, 4vw, 2.9rem);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-bottom: 18px;
}
.section-title em {
  font-style: normal;
  background: linear-gradient(100deg, var(--accent) 10%, var(--accent-2) 90%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  transition: background 0.35s ease, box-shadow 0.35s ease, height 0.35s ease;
}
.site-header.scrolled {
  height: 62px;
  background: rgba(7, 11, 18, 0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 var(--line), 0 14px 40px rgba(0, 0, 0, 0.45);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-right: auto;
}
.brand img {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  box-shadow: 0 0 0 1px var(--line-strong), 0 0 22px rgba(77, 163, 255, 0.25);
  transition: box-shadow 0.3s;
}
.brand:hover img { box-shadow: 0 0 0 1px var(--accent), 0 0 30px var(--glow); }
.brand-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.brand-name span { color: var(--accent); }

.main-nav ul {
  display: flex;
  gap: 6px;
}
.main-nav a {
  position: relative;
  display: block;
  padding: 8px 16px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-dim);
  transition: color 0.25s;
}
.main-nav a::after {
  content: "";
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 2px;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}
.main-nav a:hover,
.main-nav a.active { color: var(--text); }
.main-nav a:hover::after,
.main-nav a.active::after { transform: scaleX(1); }

/* language switcher */
.lang-switch { position: relative; }
.lang-current {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  cursor: pointer;
  background: var(--panel);
  transition: border-color 0.25s, box-shadow 0.25s;
}
.lang-current:hover { border-color: var(--accent); box-shadow: 0 0 18px rgba(77, 163, 255, 0.2); }
.lang-current .caret {
  border: 4px solid transparent;
  border-top-color: var(--accent);
  margin-top: 4px;
}
.lang-menu {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  min-width: 160px;
  padding: 6px;
  background: rgba(12, 18, 28, 0.96);
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.55);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity 0.25s, transform 0.25s, visibility 0.25s;
}
.lang-switch:hover .lang-menu,
.lang-switch:focus-within .lang-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.lang-menu a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border-radius: 8px;
  font-size: 0.9rem;
  color: var(--text-dim);
  transition: background 0.2s, color 0.2s;
}
.lang-menu a:hover { background: var(--accent-soft); color: var(--text); }
.flag { display: inline-flex; line-height: 1; }
.flag svg {
  width: 19px;
  height: 13px;
  border-radius: 2.5px;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.12);
}

/* hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 8px;
  z-index: 110;
}
.nav-toggle span {
  width: 26px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}
body.nav-open .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
body.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
body.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background:
    linear-gradient(100deg, rgba(6, 9, 15, 0.97) 18%, rgba(6, 9, 15, 0.82) 45%, rgba(8, 13, 22, 0.55) 75%, rgba(8, 13, 22, 0.45) 100%),
    radial-gradient(1100px 700px at 15% 85%, rgba(77, 163, 255, 0.10), transparent 60%),
    url("images/gkm_alkatreszek_szurke.jpg") 72% center / cover no-repeat,
    var(--bg-0);
}
.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 180px;
  background: linear-gradient(180deg, transparent, var(--bg-0));
  pointer-events: none;
}
#particles {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(148, 184, 222, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 184, 222, 0.05) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 90% 80% at 50% 45%, black 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 90% 80% at 50% 45%, black 30%, transparent 75%);
}
.hero-scanline {
  position: absolute;
  inset-inline: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(56, 232, 255, 0.5), transparent);
  filter: blur(1px);
  animation: scan 9s linear infinite;
  pointer-events: none;
}
@keyframes scan {
  0%   { top: -2%; opacity: 0; }
  8%   { opacity: 1; }
  92%  { opacity: 1; }
  100% { top: 102%; opacity: 0; }
}

.hero-content {
  position: relative;
  z-index: 2;
  padding-top: var(--header-h);
}
.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 18px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: rgba(10, 16, 26, 0.6);
  font-family: 'JetBrains Mono', 'Consolas', monospace;
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 28px;
}
.hero-kicker .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent-2);
  box-shadow: 0 0 10px var(--accent-2);
  animation: pulse 2.2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50%      { transform: scale(0.6); opacity: 0.5; }
}

.hero h1 {
  font-size: clamp(2.6rem, 7vw, 5.2rem);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  max-width: 14ch;
}
.hero h1 .grad {
  background: linear-gradient(95deg, #ffffff 0%, var(--accent) 55%, var(--accent-2) 100%);
  background-size: 200% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: shimmer 6s ease-in-out infinite;
}
@keyframes shimmer {
  0%, 100% { background-position: 0% 0; }
  50%      { background-position: 100% 0; }
}

.hero-sub {
  margin-top: 22px;
  max-width: 56ch;
  font-size: clamp(1rem, 1.6vw, 1.2rem);
  color: var(--text-dim);
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 38px;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 30px;
  border-radius: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.25s, box-shadow 0.25s, background 0.25s, border-color 0.25s;
}
.btn-primary {
  background: linear-gradient(100deg, var(--accent), #2f7fe0);
  color: #04111f;
  box-shadow: 0 8px 30px rgba(77, 163, 255, 0.35);
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 44px rgba(77, 163, 255, 0.5);
}
.btn-ghost {
  border-color: var(--line-strong);
  color: var(--text);
  background: rgba(255, 255, 255, 0.02);
}
.btn-ghost:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
  transform: translateY(-3px);
}

/* stats strip */
.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(24px, 5vw, 64px);
  margin-top: clamp(40px, 7vh, 80px);
  padding-top: 28px;
  border-top: 1px solid var(--line);
}
.stat .stat-num {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.8rem, 3.4vw, 2.6rem);
  color: var(--text);
}
.stat .stat-num .unit { color: var(--accent); }
.stat .stat-label {
  font-size: 0.82rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-faint);
}

.scroll-hint {
  position: absolute;
  bottom: 26px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  width: 26px;
  height: 42px;
  border: 2px solid var(--line-strong);
  border-radius: 14px;
}
.scroll-hint::before {
  content: "";
  position: absolute;
  top: 7px;
  left: 50%;
  width: 4px;
  height: 8px;
  margin-left: -2px;
  border-radius: 4px;
  background: var(--accent);
  animation: wheel 1.8s ease-in-out infinite;
}
@keyframes wheel {
  0%   { transform: translateY(0); opacity: 1; }
  70%  { transform: translateY(14px); opacity: 0; }
  100% { transform: translateY(0); opacity: 0; }
}

/* ============================================================
   SECTIONS (generic)
   ============================================================ */
section { position: relative; }
.section-pad { padding: clamp(80px, 12vh, 130px) 0; }

/* reveal animation */
.reveal {
  opacity: 0;
  transform: translateY(34px);
  transition: opacity 0.8s cubic-bezier(0.2, 0.6, 0.2, 1), transform 0.8s cubic-bezier(0.2, 0.6, 0.2, 1);
  transition-delay: var(--d, 0s);
}
.reveal.visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero-scanline, .scroll-hint { display: none; }
  html { scroll-behavior: auto; }
}

/* ============================================================
   ABOUT
   ============================================================ */
.about { background: var(--bg-1); }
.about::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(700px 400px at 90% 10%, rgba(77, 163, 255, 0.06), transparent 65%);
  pointer-events: none;
}
.about-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: clamp(32px, 5vw, 72px);
  align-items: start;
}
.about-text p { color: var(--text-dim); margin-bottom: 16px; }
.about-text strong { color: var(--text); }

.feature-list { display: grid; gap: 18px; }
.feature {
  position: relative;
  padding: 22px 24px 22px 58px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.3s, transform 0.3s, background 0.3s;
}
.feature::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--accent), var(--accent-2));
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 0.4s ease;
}
.feature:hover {
  border-color: var(--line-strong);
  background: var(--panel-strong);
  transform: translateX(6px);
}
.feature:hover::before { transform: scaleY(1); }
.feature .f-icon {
  position: absolute;
  left: 20px;
  top: 24px;
  color: var(--accent);
  font-size: 1.1rem;
}
.feature h3 {
  font-size: 1.15rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 6px;
}
.feature p { color: var(--text-dim); font-size: 0.95rem; }

/* ============================================================
   SERVICES
   ============================================================ */
.services { background: var(--bg-0); }
.services-head { text-align: center; max-width: 640px; margin-inline: auto; }
.services-head .section-tag { justify-content: center; }
.services-head .section-tag::after {
  content: "";
  width: 34px;
  height: 1px;
  background: linear-gradient(270deg, transparent, var(--accent));
}
.services-head p { color: var(--text-dim); }

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-top: 54px;
}
.service-card {
  position: relative;
  padding: 34px 28px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  transition: transform 0.35s ease, border-color 0.35s, box-shadow 0.35s;
}
/* cursor-following glow */
.service-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 50%), rgba(77, 163, 255, 0.13), transparent 45%);
  opacity: 0;
  transition: opacity 0.35s;
  pointer-events: none;
}
.service-card:hover::before { opacity: 1; }
.service-card:hover {
  transform: translateY(-8px);
  border-color: var(--line-strong);
  box-shadow: 0 22px 50px rgba(0, 0, 0, 0.45), 0 0 0 1px rgba(77, 163, 255, 0.18);
}
.service-card .corner {
  position: absolute;
  top: 0;
  right: 0;
  width: 56px;
  height: 56px;
  background: linear-gradient(225deg, rgba(77, 163, 255, 0.18), transparent 60%);
  clip-path: polygon(100% 0, 0 0, 100% 100%);
  opacity: 0.7;
}
.service-icon {
  width: 66px;
  height: 66px;
  display: grid;
  place-items: center;
  margin-bottom: 22px;
  border-radius: 16px;
  background: linear-gradient(160deg, rgba(77, 163, 255, 0.14), rgba(56, 232, 255, 0.05));
  border: 1px solid var(--line-strong);
  transition: transform 0.35s, box-shadow 0.35s;
}
.service-card:hover .service-icon {
  transform: scale(1.08) rotate(-3deg);
  box-shadow: 0 0 26px rgba(77, 163, 255, 0.3);
}
.service-icon img {
  width: 38px;
  height: 38px;
  object-fit: contain;
  filter: brightness(1.5);
}
.service-card h3 {
  font-size: 1.3rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 10px;
}
.service-card p { color: var(--text-dim); font-size: 0.95rem; }
.service-num {
  position: absolute;
  right: 20px;
  bottom: 12px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 2.6rem;
  color: rgba(148, 184, 222, 0.08);
  transition: color 0.35s;
}
.service-card:hover .service-num { color: rgba(77, 163, 255, 0.22); }

/* ============================================================
   MACHINE PARK
   ============================================================ */
.machines { background: var(--bg-1); }
.machines::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(800px 500px at 8% 90%, rgba(56, 232, 255, 0.05), transparent 60%);
  pointer-events: none;
}
.machines-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.4fr;
  gap: clamp(32px, 5vw, 64px);
  align-items: center;
}
.machines-text p { color: var(--text-dim); margin-bottom: 16px; }

.machine-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}
.machine-tags span {
  padding: 7px 16px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: var(--panel);
  font-family: 'JetBrains Mono', 'Consolas', monospace;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  transition: border-color 0.25s, color 0.25s, box-shadow 0.25s;
}
.machine-tags span:hover {
  border-color: var(--accent);
  color: var(--text);
  box-shadow: 0 0 16px rgba(77, 163, 255, 0.25);
}

.gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  grid-auto-rows: 200px;
  gap: 16px;
}
.gallery-item {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
}
.gallery-item.tall { grid-row: span 2; }
.gallery-item.wide { grid-column: span 2; }
.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.2, 0.6, 0.2, 1), filter 0.6s;
  filter: saturate(0.85) brightness(0.92);
}
.gallery-item:hover img { transform: scale(1.07); filter: saturate(1.05) brightness(1); }
.gallery-item .cap {
  position: absolute;
  inset: auto 0 0 0;
  padding: 30px 16px 12px;
  background: linear-gradient(180deg, transparent, rgba(4, 8, 14, 0.85));
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
  transform: translateY(8px);
  opacity: 0;
  transition: transform 0.4s, opacity 0.4s;
}
.gallery-item:hover .cap { transform: none; opacity: 1; }
.gallery-item::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  box-shadow: inset 0 0 0 1px rgba(77, 163, 255, 0);
  transition: box-shadow 0.4s;
  pointer-events: none;
}
.gallery-item:hover::after { box-shadow: inset 0 0 0 1px rgba(77, 163, 255, 0.45); }

/* ============================================================
   CONTACT
   ============================================================ */
.contact { background: var(--bg-0); }
.contact::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(800px 460px at 85% 20%, rgba(77, 163, 255, 0.07), transparent 60%);
  pointer-events: none;
}
.contact-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: clamp(32px, 5vw, 64px);
  align-items: start;
}

.contact-form-wrap {
  padding: clamp(26px, 4vw, 42px);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 18px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.form-row { margin-bottom: 18px; }
.form-row label {
  display: block;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 8px;
}
.form-row input,
.form-row textarea {
  width: 100%;
  padding: 14px 16px;
  background: rgba(8, 13, 21, 0.7);
  border: 1px solid var(--line);
  border-radius: 10px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.98rem;
  transition: border-color 0.25s, box-shadow 0.25s;
}
.form-row textarea { min-height: 140px; resize: vertical; }
.form-row input:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(77, 163, 255, 0.15);
}
.form-note {
  margin-top: 14px;
  font-size: 0.82rem;
  color: var(--text-faint);
}

/* honeypot — visually removed, still in the DOM for bots */
.hp-field {
  position: absolute !important;
  left: -9999px !important;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form-status {
  margin-top: 16px;
  padding: 12px 16px;
  border-radius: 10px;
  font-size: 0.92rem;
}
.form-status.success {
  background: rgba(74, 222, 128, 0.08);
  border: 1px solid rgba(74, 222, 128, 0.35);
  color: #86efac;
}
.form-status.error {
  background: rgba(248, 113, 113, 0.08);
  border: 1px solid rgba(248, 113, 113, 0.35);
  color: #fca5a5;
}

.btn:disabled {
  opacity: 0.55;
  cursor: default;
  transform: none;
}

.contact-info { display: grid; gap: 16px; }
.info-card {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 20px 22px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color 0.3s, transform 0.3s;
}
.info-card:hover { border-color: var(--line-strong); transform: translateX(6px); }
.info-icon {
  flex: 0 0 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: var(--accent-soft);
  border: 1px solid var(--line-strong);
  color: var(--accent);
}
.info-icon svg { width: 20px; height: 20px; }
.info-card h4 {
  font-size: 0.85rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: 3px;
}
.info-card p, .info-card a { color: var(--text); font-size: 0.98rem; }
.info-card a:hover { color: var(--accent); }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  border-top: 1px solid var(--line);
  background: var(--bg-1);
  padding: 34px 0;
}
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  justify-content: space-between;
  color: var(--text-faint);
  font-size: 0.88rem;
}
.footer-inner .brand img { width: 36px; height: 36px; }
.footer-inner a { color: var(--text-dim); }
.footer-inner a:hover { color: var(--accent); }

/* back-to-top */
.to-top {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 90;
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  border: 1px solid var(--line-strong);
  background: rgba(10, 16, 26, 0.85);
  backdrop-filter: blur(8px);
  color: var(--accent);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity 0.3s, transform 0.3s, visibility 0.3s, box-shadow 0.3s;
}
.to-top.show { opacity: 1; visibility: visible; transform: none; }
.to-top:hover { box-shadow: 0 0 22px rgba(77, 163, 255, 0.35); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1020px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid, .machines-grid, .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 1020px) {
  .nav-toggle { display: flex; }
  .main-nav {
    position: fixed;
    inset: 0;
    z-index: 100;
    display: grid;
    place-items: center;
    background: rgba(5, 8, 14, 0.96);
    backdrop-filter: blur(16px);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.35s, visibility 0.35s;
  }
  body.nav-open .main-nav { opacity: 1; visibility: visible; pointer-events: auto; }
  body.nav-open { overflow: hidden; }
  .main-nav ul { flex-direction: column; text-align: center; gap: 18px; }
  .main-nav a { font-size: 1.5rem; }
}

@media (max-width: 760px) {
  .services-grid { grid-template-columns: 1fr; }
  .gallery { grid-auto-rows: 160px; }
  .hero-stats { gap: 22px; }
}