/* ===================================================
   3D EST SRL - Main Stylesheet
   Dark Industrial Theme | Inter Font
   =================================================== */


/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --dark:       #1e2123;
  --dark2:      #161a1d;
  --dark3:      #252a2e;
  --dark4:      #2d3338;
  --red:        #ee6059;
  --red-dark:   #c94d47;
  --light:      #f0f2f4;
  --muted:      #9aa3ad;
  --white:      #ffffff;
  --border:     rgba(255,255,255,0.07);
  --transition: 0.3s ease;
  --radius:     6px;
  --shadow:     0 8px 32px rgba(0,0,0,0.4);
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: 'Inter', sans-serif;
  background: var(--dark);
  color: var(--light);
  line-height: 1.6;
  overflow-x: hidden;
}

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

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* --- Topbar --- */
.topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 999;
  background: rgba(22,26,29,0.95);
  border-bottom: 1px solid var(--border);
  padding: 8px 0;
  font-size: 13px;
  color: var(--muted);
  height: 36px;
  display: flex;
  align-items: center;
}
.topbar .container {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 24px;
}
.topbar a { color: var(--muted); transition: color var(--transition); display: flex; align-items: center; gap: 6px; }
.topbar a:hover { color: var(--red); }
.topbar svg { width: 14px; height: 14px; flex-shrink: 0; }

/* --- Navbar --- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(30,33,35,0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 2px solid var(--red);
  height: 90px;
  transition: background var(--transition), box-shadow var(--transition);
}
.navbar.scrolled { background: var(--dark2); box-shadow: 0 4px 24px rgba(0,0,0,0.5); }
.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}
.navbar-logo img { height: 50px; width: auto; }
.navbar-logo:hover img { opacity: 0.85; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-links a {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--light);
  padding: 8px 14px;
  border-radius: var(--radius);
  position: relative;
  transition: color var(--transition);
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 2px; left: 14px; right: 14px;
  height: 2px;
  background: var(--red);
  transform: scaleX(0);
  transition: transform var(--transition);
  transform-origin: left;
}
.nav-links a:hover { color: var(--red); }
.nav-links a:hover::after { transform: scaleX(1); }
.nav-links a.active { color: var(--red); }
.nav-links a.active::after { transform: scaleX(1); }

.nav-links .btn-nav {
  background: var(--red);
  color: var(--white);
  padding: 9px 20px;
  border-radius: var(--radius);
  margin-left: 8px;
}
.nav-links .btn-nav::after { display: none; }
.nav-links .btn-nav:visited { color: var(--white); }
.nav-links .btn-nav:hover { background: var(--red-dark); color: var(--white); }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 6px;
  background: none;
  border: none;
}
.hamburger span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--light);
  border-radius: 2px;
  transition: var(--transition);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile nav */
@media (max-width: 900px) {
  .hamburger { display: flex; }
  .nav-links {
    display: none;
    position: absolute;
    top: 80px; left: 0; right: 0;
    background: var(--dark2);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    border-top: 2px solid var(--red);
    padding: 12px 0 20px;
    border-bottom: 1px solid var(--border);
  }
  .nav-links.open { display: flex; }
  .nav-links a { width: 100%; padding: 14px 24px; font-size: 14px; border-radius: 0; }
  .nav-links a::after { left: 24px; right: 24px; bottom: 8px; }
  .nav-links .btn-nav { margin: 12px 24px 0; width: calc(100% - 48px); text-align: center; padding: 12px; }
}

/* --- Hero --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  background: var(--dark2);
}
.hero-bg {
  position: absolute; inset: 0;
  background:
    linear-gradient(135deg, rgba(30,33,35,0.6) 0%, rgba(22,26,29,0.5) 50%, rgba(238,96,89,0.08) 100%),
    url('../img/hero-bg.webp') center/cover no-repeat;
  filter: brightness(0.65);
  transform: scale(1.05);
  transition: transform 8s ease;
  will-change: transform;
}
.hero:hover .hero-bg { transform: scale(1.0); }

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 820px;
  padding: 40px 24px;
  animation: fadeUp 0.9s ease both;
}

.hero-tag {
  display: inline-block;
  background: var(--red);
  color: var(--white);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 6px 18px;
  border-radius: 3px;
  margin-bottom: 28px;
  animation: fadeUp 0.9s 0.1s ease both;
}

.hero h1 {
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  font-weight: 900;
  letter-spacing: 0.04em;
  color: var(--white);
  line-height: 1.1;
  margin-bottom: 22px;
  text-transform: uppercase;
  animation: fadeUp 0.9s 0.2s ease both;
}
.hero h1 span { color: var(--red); }

.hero p {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: rgba(240,242,244,0.8);
  max-width: 620px;
  margin: 0 auto 40px;
  font-weight: 300;
  animation: fadeUp 0.9s 0.3s ease both;
}

.hero-btns {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeUp 0.9s 0.4s ease both;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  font-family: 'Inter', sans-serif;
}
.btn-primary {
  background: var(--red);
  color: var(--white);
  border-color: var(--red);
}
.btn-primary:hover {
  background: var(--red-dark);
  border-color: var(--red-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(238,96,89,0.35);
}
.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.4);
}
.btn-outline:hover {
  border-color: var(--white);
  background: rgba(255,255,255,0.08);
  transform: translateY(-2px);
}

.hero-scroll {
  position: absolute;
  bottom: 40px; left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  animation: fadeUp 1s 0.8s ease both;
}
.scroll-mouse {
  width: 24px; height: 38px;
  border: 2px solid rgba(255,255,255,0.25);
  border-radius: 12px;
  position: relative;
}
.scroll-mouse::after {
  content: '';
  position: absolute;
  top: 6px; left: 50%;
  transform: translateX(-50%);
  width: 4px; height: 8px;
  background: var(--red);
  border-radius: 2px;
  animation: scrollBounce 1.8s infinite;
}

/* --- Section Commons --- */
section { padding: 90px 0; }
.section-label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 12px;
  display: block;
}
.section-title {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--white);
  line-height: 1.2;
}
.section-title span { color: var(--red); }
.section-header { margin-bottom: 56px; }
.section-header.center { text-align: center; }
.divider {
  width: 56px; height: 3px;
  background: var(--red);
  margin: 18px 0 0;
  border-radius: 2px;
}
.section-header.center .divider { margin: 18px auto 0; }

/* --- Products Section --- */
.products { background: var(--dark3); }

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}
.product-card {
  background: var(--dark4);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 36px 28px;
  position: relative;
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  cursor: default;
}
.product-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--red);
  transform: scaleX(0);
  transition: transform var(--transition);
  transform-origin: left;
}
.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
  border-color: rgba(238,96,89,0.2);
}
.product-card:hover::before { transform: scaleX(1); }

.product-icon {
  width: 56px; height: 56px;
  background: rgba(238,96,89,0.12);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
  transition: background var(--transition);
}
.product-card:hover .product-icon { background: rgba(238,96,89,0.22); }
.product-icon svg { width: 28px; height: 28px; color: var(--red); }

.product-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 12px;
  letter-spacing: 0.03em;
}
.product-card p {
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.7;
}

/* --- Values Section --- */
.values { background: var(--dark2); }

.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 28px;
}
.value-card {
  background: var(--dark3);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}
.value-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow);
}
.value-img {
  height: 220px;
  overflow: hidden;
  position: relative;
}
.value-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.value-card:hover .value-img img { transform: scale(1.06); }
.value-img::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(to bottom, transparent 50%, rgba(22,26,29,0.7) 100%);
}
.value-body { padding: 28px; }
.value-body h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.value-body h3::before {
  content: '';
  display: inline-block;
  width: 28px; height: 3px;
  background: var(--red);
  border-radius: 2px;
  flex-shrink: 0;
}
.value-body p {
  font-size: 0.875rem;
  color: var(--muted);
  line-height: 1.8;
}

/* --- News Section --- */
.news { background: var(--dark3); }

.news-feature {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
@media (max-width: 768px) { .news-feature { grid-template-columns: 1fr; } }

.news-img {
  border-radius: 10px;
  overflow: hidden;
  position: relative;
}
.news-img img {
  width: 100%;
  height: 340px;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.news-img:hover img { transform: scale(1.04); }
.news-img-badge {
  position: absolute;
  top: 16px; left: 16px;
  background: var(--red);
  color: var(--white);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 5px 14px;
  border-radius: 3px;
}

.news-content .news-meta {
  font-size: 12px;
  color: var(--red);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.news-content h3 {
  font-size: clamp(1.3rem, 2.5vw, 1.8rem);
  font-weight: 800;
  color: var(--white);
  margin-bottom: 18px;
  line-height: 1.25;
}
.news-content p {
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.85;
}

/* --- Partners Section --- */
.partners { background: var(--dark2); }

.logo-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 32px 48px;
}
.logo-item {
  padding: 16px 24px;
  background: var(--dark3);
  border: 1px solid var(--border);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 140px;
  min-height: 80px;
  transition: border-color var(--transition), transform var(--transition);
}
.logo-item:hover {
  border-color: rgba(238,96,89,0.35);
  transform: translateY(-3px);
}
.logo-item img {
  max-height: 50px;
  max-width: 130px;
  width: auto;
  object-fit: contain;
  filter: grayscale(100%) brightness(0.9);
  transition: filter var(--transition);
  opacity: 0.7;
}
.logo-item:hover img {
  filter: grayscale(0%) brightness(1);
  opacity: 1;
}

/* --- Clients Section --- */
.clients { background: var(--dark3); }
.clients .logo-item img { max-height: 44px; }

/* --- Quote Section --- */
.quote-section {
  background: var(--red);
  padding: 72px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.quote-section::before {
  content: '"';
  position: absolute;
  top: -40px; left: 50%;
  transform: translateX(-50%);
  font-size: 280px;
  color: rgba(0,0,0,0.08);
  font-family: Georgia, serif;
  line-height: 1;
  pointer-events: none;
}
.quote-text {
  font-size: clamp(1.2rem, 3vw, 1.8rem);
  font-weight: 600;
  color: var(--white);
  max-width: 820px;
  margin: 0 auto 20px;
  line-height: 1.5;
  font-style: italic;
  position: relative;
}
.quote-author {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.75);
}

/* --- Info / Contact Teaser --- */
.info-teaser {
  background: var(--dark2);
  padding: 0;
  overflow: hidden;
}
.info-teaser-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 420px;
}
@media (max-width: 768px) { .info-teaser-inner { grid-template-columns: 1fr; } }

.info-img {
  position: relative;
  overflow: hidden;
}
.info-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  min-height: 320px;
  filter: brightness(0.75);
  transition: transform 0.6s ease, filter 0.6s ease;
}
.info-teaser:hover .info-img img { transform: scale(1.04); filter: brightness(0.85); }

.info-content {
  background: var(--dark3);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 64px 56px;
}
.info-content .section-label { margin-bottom: 16px; }
.info-content h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  font-weight: 800;
  color: var(--white);
  margin-bottom: 20px;
  line-height: 1.25;
}
.info-content p {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.8;
  margin-bottom: 32px;
}
@media (max-width: 768px) { .info-content { padding: 40px 28px; } }

/* --- Footer --- */
.footer {
  background: var(--dark2);
  border-top: 2px solid var(--red);
  padding: 64px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.5fr;
  gap: 48px;
  margin-bottom: 48px;
}
@media (max-width: 768px) { .footer-grid { grid-template-columns: 1fr; gap: 32px; } }

.footer-col h4 {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 12px;
}
.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 32px; height: 2px;
  background: var(--red);
  border-radius: 2px;
}

.footer-logo { margin-bottom: 16px; }
.footer-logo img { height: 44px; }
.footer-about { font-size: 0.875rem; color: var(--muted); line-height: 1.8; margin-bottom: 20px; }

.footer-links li { margin-bottom: 10px; }
.footer-links a {
  font-size: 0.875rem;
  color: var(--muted);
  transition: color var(--transition), padding-left var(--transition);
  display: flex;
  align-items: center;
  gap: 8px;
}
.footer-links a::before {
  content: '›';
  color: var(--red);
  font-size: 1.1em;
  transition: transform var(--transition);
}
.footer-links a:hover { color: var(--white); padding-left: 4px; }
.footer-links a:hover::before { transform: translateX(3px); }

.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 16px;
  font-size: 0.875rem;
  color: var(--muted);
}
.footer-contact li svg { width: 16px; height: 16px; color: var(--red); flex-shrink: 0; margin-top: 2px; }
.footer-contact a { color: var(--muted); transition: color var(--transition); }
.footer-contact a:hover { color: var(--red); }

.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 12px;
  color: var(--muted);
}
.footer-bottom a { color: var(--muted); transition: color var(--transition); }
.footer-bottom a:hover { color: var(--red); }

/* ===================================================
   Contact Page
   =================================================== */
.page-hero {
  background: var(--dark2);
  padding: 140px 0 60px;
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(135deg, transparent, rgba(238,96,89,0.06));
  pointer-events: none;
}
.page-hero h1 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  color: var(--white);
  margin-bottom: 12px;
}
.breadcrumb {
  font-size: 13px;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 8px;
}
.breadcrumb a { color: var(--muted); transition: color var(--transition); }
.breadcrumb a:hover { color: var(--red); }
.breadcrumb span { color: var(--red); }

.contact-section { background: var(--dark3); padding: 80px 0; }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 48px;
  align-items: start;
}
@media (max-width: 900px) { .contact-grid { grid-template-columns: 1fr; } }

.contact-info h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 24px;
}
.contact-info-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 24px;
}
.contact-info-icon {
  width: 44px; height: 44px;
  background: rgba(238,96,89,0.12);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.contact-info-icon svg { width: 20px; height: 20px; color: var(--red); }
.contact-info-text { font-size: 0.875rem; color: var(--muted); line-height: 1.7; }
.contact-info-text strong { color: var(--white); display: block; font-size: 0.9rem; margin-bottom: 4px; }
.contact-info-text a { color: var(--muted); transition: color var(--transition); }
.contact-info-text a:hover { color: var(--red); }

.contact-form-wrap {
  background: var(--dark4);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 40px;
}
.contact-form-wrap h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 28px;
}
.form-group { margin-bottom: 20px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 600px) { .form-row { grid-template-columns: 1fr; } }

.form-group label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 8px;
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  background: var(--dark3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 16px;
  font-size: 14px;
  color: var(--light);
  font-family: 'Inter', sans-serif;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--red);
  box-shadow: 0 0 0 3px rgba(238,96,89,0.15);
}
.form-group textarea { resize: vertical; min-height: 140px; }
.form-group input::placeholder,
.form-group textarea::placeholder { color: rgba(154,163,173,0.5); }

.map-section { background: var(--dark2); padding: 80px 0; }
.map-section h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 24px;
}
.map-wrap {
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--border);
}
.map-wrap iframe { display: block; }

/* --- Animations --- */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes scrollBounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(8px); }
}

.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* --- Scrollbar --- */
::-webkit-scrollbar { width: 7px; }
::-webkit-scrollbar-track { background: var(--dark2); }
::-webkit-scrollbar-thumb { background: var(--dark4); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--red); }

/* --- Responsive --- */
@media (max-width: 480px) {
  .hero-btns { flex-direction: column; align-items: center; }
  .btn { width: 100%; max-width: 280px; justify-content: center; }
  .contact-form-wrap { padding: 24px; }
}

/* ===================== LANGUAGE SWITCHER ===================== */
.lang-switch {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: 16px;
  padding-left: 16px;
  border-left: 1px solid rgba(255,255,255,0.15);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
}
.lang-switch a {
  color: var(--muted);
  font-weight: 600;
  padding: 4px 6px;
  border-radius: 3px;
  transition: all 0.2s;
}
.lang-switch a:hover { color: var(--white); }
.lang-switch a.active { color: var(--red); background: rgba(238,96,89,0.12); }

/* Scroll to Top */
.scroll-top{position:fixed;bottom:30px;right:30px;width:46px;height:46px;border-radius:50%;background:var(--red,#ee6059);color:#fff;border:none;font-size:1.3rem;cursor:pointer;display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transform:translateY(20px);transition:all .3s ease;z-index:9999;box-shadow:0 4px 16px rgba(0,0,0,0.2);}
.scroll-top.visible{opacity:1;visibility:visible;transform:translateY(0);}
.scroll-top:hover{transform:translateY(-3px);box-shadow:0 6px 24px rgba(0,0,0,0.3);}


/* Form validation */
.contact-form input.invalid,
.contact-form textarea.invalid { border-color: #ef4444; box-shadow: 0 0 0 3px rgba(239,68,68,0.15); }
.contact-form input.valid,
.contact-form textarea.valid { border-color: #22c55e; }
.form-status { font-size: .9rem; margin-top: 12px; text-align: center; }
.form-status.success { color: #22c55e; }
.form-status.error { color: #ef4444; }
.btn-submit { width: auto; }
.btn-inline { width: auto !important; max-width: none !important; padding: 10px 24px; font-size: 13px; align-self: flex-start; }

/* Powered by ARCSoft */
.made-by { display: flex; align-items: center; gap: 6px; }
.made-by a { display: inline-flex; align-items: center; }
.arcsoft-logo { height: 18px; width: auto; opacity: 0.5; transition: opacity 0.3s; }
.arcsoft-logo:hover { opacity: 1; }