/* ==========================
   VONBRUN – premium UI pass
   - premium glass surfaces
   - background visible everywhere
   - mobile-first contact order
   ========================== */

/* ===== Reset / Base ===== */
* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.6;
  color: #111827;
  background: #fff;
  scroll-behavior: smooth;
  overflow-x: hidden;
}

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

button,
input,
textarea {
  font: inherit;
}

/* ===== Theme tokens ===== */
:root {
  --container: 1200px;
  --pad: 24px;
  --radius: 16px;
  --radius-sm: 12px;

  --text: #0b1220;
  --muted: rgba(11, 18, 32, 0.72);
  --border: rgba(17, 24, 39, 0.10);

  --blue: #1e40af;
  --green: #10b981;

  --glass: rgba(255, 255, 255, 0.78);
  --glass-strong: rgba(255, 255, 255, 0.86);

  --shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.12);
}

/* ===== Background (premium) =====
   Uses pseudo element to avoid mobile issues with background-attachment: fixed.
   Tune visibility via --bgOpacity and gradient.
*/
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    linear-gradient(to bottom,
      rgba(255, 255, 255, 0.00),
      rgba(255, 255, 255, 0.00),
      rgba(255, 255, 255, 0.00)),
    url("assets/background.png") center / cover no-repeat;
  pointer-events: none;
  z-index: -1;
}


/* ===== Layout ===== */
.container {
  width: min(var(--container), 100% - (var(--pad) * 2));
  margin: 0 auto;
}

.main {
  padding: 52px 0;
}

/* Reusable premium surface */
.surface {
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
}

.surface--padded {
  padding: 28px var(--pad);
}

/* ===== Header / Nav ===== */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.06);
}

.header-content {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 14px 24px;
  padding: 14px 0;
}

.logo-section {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.logo-section a {
  text-decoration: none;
  color: inherit;
  display: inline-flex;
  align-items: center;
}

.logo-img {
  height: 54px;
  width: auto;
  object-fit: contain;
  filter: drop-shadow(0 6px 14px rgba(0, 0, 0, 0.10));
}

.company-name {
  margin: 0;
  font-size: 32px;
  font-weight: 900;
  letter-spacing: -0.6px;
  display: inline-flex;
  gap: 2px;
}

.company-name .von {
  color: var(--blue);
}

.company-name .brun {
  color: var(--green);
}

.main-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 22px;
}

.main-nav a {
  position: relative;
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
  font-size: 16px;
  padding: 10px 6px;
  border-radius: 10px;
  cursor: pointer;
  white-space: nowrap;
}

.main-nav a::after {
  content: "";
  position: absolute;
  left: 10px;
  right: 10px;
  bottom: 6px;
  height: 2px;
  background: linear-gradient(90deg, var(--blue), var(--green));
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.18s ease;
  border-radius: 999px;
}

.main-nav a:hover {
  background: rgba(30, 64, 175, 0.06);
}

.main-nav a:hover::after,
.main-nav a.active::after {
  transform: scaleX(1);
}

/* Language switcher */
.lang-switcher {
  display: inline-flex;
  gap: 4px;
  background: rgba(17, 24, 39, 0.06);
  border: 1px solid rgba(17, 24, 39, 0.08);
  border-radius: 12px;
  padding: 4px;
}

.lang-btn {
  background: transparent;
  border: none;
  padding: 8px 12px;
  font-size: 14px;
  font-weight: 800;
  color: rgba(17, 24, 39, 0.70);
  border-radius: 10px;
  cursor: pointer;
  transition: background-color 0.15s, color 0.15s, box-shadow 0.15s;
}

.lang-btn:hover {
  color: var(--text);
}

.lang-btn.active {
  background: rgba(255, 255, 255, 0.95);
  color: var(--blue);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.10);
}

/* Mobile menu toggle */
.nav-toggle {
  display: none;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px 12px;
  cursor: pointer;
  line-height: 1;
  box-shadow: 0 10px 22px rgba(0, 0, 0, 0.08);
}

/* ===== Typography / section titles ===== */
.h2 {
  margin: 0;
  text-align: center;
  font-size: clamp(26px, 3.5vw, 36px);
  font-weight: 900;
  letter-spacing: -0.6px;
}

.subtitle {
  margin: 10px 0 0;
  text-align: center;
  color: var(--muted);
  font-size: 16px;
}

/* ===== About ===== */
.about-section {
  max-width: 920px;
  margin: 0 auto;
}

.about-subtitle {
  font-size: clamp(18px, 2.2vw, 24px);
  font-weight: 900;
  margin: 0 0 18px;
  text-align: center;
}

.about-content p {
  font-size: 16px;
  line-height: 1.9;
  color: rgba(17, 24, 39, 0.78);
  margin: 0 0 16px;
}

.strengths-section {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid rgba(17, 24, 39, 0.10);
}

.strengths-title {
  font-size: 16px;
  font-weight: 900;
  margin: 0 0 12px;
}

.strengths-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 10px;
}

.strengths-list li {
  padding-left: 22px;
  position: relative;
  color: rgba(17, 24, 39, 0.78);
}

.strengths-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--blue), var(--green));
}

/* CTA button */
.btn-contact {
  display: block;
  margin: 20px auto 0;
  width: fit-content;
  background: linear-gradient(90deg, var(--blue), var(--green));
  color: #fff;
  padding: 14px 44px;
  font-size: 16px;
  font-weight: 900;
  text-decoration: none;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  box-shadow: var(--shadow-lg);
  transition: transform 0.15s ease, filter 0.15s ease;
  cursor: pointer;
}

.btn-contact:hover {
  transform: translateY(-1px);
  filter: brightness(1.05);
}

/* ===== Contact ===== */
.contact {
  padding: 48px 0;
  background: transparent;
}

.contact-title {
  margin: 0 0 18px;
  text-align: center;
  font-size: clamp(26px, 3.2vw, 34px);
  font-weight: 900;
  letter-spacing: -0.6px;
}

/* Two-column layout on desktop; on mobile becomes 1 column with desired order:
   info -> form -> company data */
.contact-wrapper {
  max-width: 1020px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-areas:
    "info form"
    "company form";
  gap: 28px;
}

.contact-panel {
  padding: 26px;
}

.contact-info {
  grid-area: info;
  display: grid;
  gap: 14px;
}

.contact-item strong {
  font-size: 12px;
  font-weight: 900;
  color: rgba(17, 24, 39, 0.62);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.contact-item a {
  font-size: 18px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 0;
  border-radius: 10px;
}

/* Email -> blue */
.contact-item a[href^="mailto:"] {
  color: #2563eb;
}

.contact-item a[href^="mailto:"]:hover {
  text-decoration: underline;
}

/* Phone -> dark gray */
.contact-item a[href^="tel:"] {
  color: #111827;
}

.contact-item a[href^="tel:"]:hover {
  text-decoration: underline;
}

/* WhatsApp -> green (у тебя уже есть, чуть усилим) */
.whatsapp-link {
  color: #1ebe5d;
  font-weight: 600;
}

.whatsapp-link:hover {
  color: #0f5132;
  text-decoration: underline;
}

.whatsapp-link .whatsapp-icon {
  display: inline-flex;
}


/* Form */
.contact-form {
  grid-area: form;
  display: grid;
  gap: 14px;
}

.form-group {
  display: grid;
  gap: 8px;
}

.form-group label {
  font-size: 12px;
  font-weight: 900;
  color: rgba(17, 24, 39, 0.62);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.form-group input,
.form-group textarea {
  padding: 12px 12px;
  border: 1px solid rgba(17, 24, 39, 0.14);
  border-radius: 14px;
  font-size: 16px;
  color: var(--text);
  background: rgba(255, 255, 255, 0.92);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: rgba(30, 64, 175, 0.55);
  box-shadow: 0 0 0 4px rgba(30, 64, 175, 0.12);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.btn-submit {
  background: linear-gradient(90deg, var(--blue), var(--green));
  color: #fff;
  padding: 14px 18px;
  font-size: 16px;
  font-weight: 900;
  border: none;
  border-radius: 14px;
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  transition: transform 0.15s ease, filter 0.15s ease;
}

.btn-submit:hover {
  transform: translateY(-1px);
  filter: brightness(1.05);
}

.form-status {
  margin-top: 8px;
  font-size: 14px;
  color: rgba(17, 24, 39, 0.80);
}

/* Company data (desktop: left column under contact info; mobile: below the form) */
.company-data-minimal {
  grid-area: company;
  padding: 18px;
}

.company-data-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px 26px;
}

.company-data-minimal strong {
  display: block;
  font-size: 11px;
  text-transform: uppercase;
  color: rgba(17, 24, 39, 0.55);
  letter-spacing: 0.08em;
  font-weight: 900;
}

.company-data-minimal span {
  color: rgba(17, 24, 39, 0.90);
  font-size: 16px;
  margin-top: 2px;
  font-weight: 700;
}

.id-info-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px 16px;
  margin-top: 10px;
}

/* ===== Products ===== */
.products-section {
  padding: 0;
}

.products-head {
  padding: 26px var(--pad) 0;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  gap: 18px;
  padding: 22px var(--pad) 28px;
}

.product-item {
  aspect-ratio: 1 / 1;
}

.product-card {
  width: 100%;
  height: 100%;
  border-radius: 18px;
  border: 1px solid rgba(17, 24, 39, 0.12);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0.82));
  box-shadow: var(--shadow);
  display: grid;
  place-items: center;
  padding: 18px;
  overflow: hidden;
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(30, 64, 175, 0.28);
}

.product-card img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  filter: drop-shadow(0 10px 18px rgba(0, 0, 0, 0.12));
}

/* ===== Cookie banner ===== */
#cookie-banner {
  display: none;
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 16px;
  z-index: 3000;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid var(--border);
  box-shadow: 0 -12px 30px rgba(0, 0, 0, 0.10);
  text-align: center;
}

#cookie-banner .cookie-banner-inner {
  max-width: 960px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: center;
  color: rgba(17, 24, 39, 0.82);
}

#cookie-banner .cookie-btn {
  padding: 10px 22px;
  background: linear-gradient(90deg, var(--blue), var(--green));
  color: #fff;
  border-radius: 12px;
  border: none;
  font-size: 15px;
  font-weight: 900;
  cursor: pointer;
  box-shadow: var(--shadow);
}

#cookie-banner .cookie-policy-link {
  color: var(--blue);
  text-decoration: underline;
}

/* ===== Footer ===== */
.footer {
  padding: 18px 0;
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-top: 1px solid var(--border);
}

.footer p {
  margin: 0;
  text-align: center;
  font-size: 14px;
  color: rgba(17, 24, 39, 0.70);
}

/* ==========================
   Responsive
   ========================== */
@media (max-width: 1024px) {
  .company-name {
    font-size: 30px;
  }
}

@media (max-width: 768px) {
  :root {
    --pad: 16px;
  }

  body::before {
    background-image:
      linear-gradient(to bottom,
        rgba(255, 255, 255, 0.00),
        rgba(255, 255, 255, 0.06) 35%,
        rgba(255, 255, 255, 0.12)),
      url("assets/bg-mobile.png");
    background-position: center;
    background-size: cover;
  }

  .header-content {
    grid-template-columns: auto auto auto;
    justify-content: space-between;
    gap: 10px 12px;
  }

  .company-name {
    font-size: 26px;
  }

  .logo-img {
    height: 48px;
  }

  /* nav dropdown */
  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .main-nav {
    display: none;
    position: absolute;
    left: 16px;
    right: 16px;
    top: 74px;
    flex-direction: column;
    gap: 10px;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 12px;
    box-shadow: var(--shadow-lg);
  }

  .main-nav.is-open {
    display: flex;
  }

  .main-nav a {
    white-space: normal;
    text-align: center;
    padding: 14px 12px;
    /* bigger tap targets */
  }

  .main {
    padding: 38px 0;
  }

  .surface--padded {
    padding: 22px var(--pad);
  }

  .contact-wrapper {
    grid-template-columns: 1fr;
    grid-template-areas:
      "info"
      "form"
      "company";
  }

  .products-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .company-data-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 420px) {
  .company-name {
    font-size: 22px;
  }

  .logo-img {
    height: 44px;
  }

  .btn-contact {
    width: 100%;
    max-width: 320px;
    padding: 14px 18px;
  }

  .products-grid {
    gap: 14px;
    padding: 18px var(--pad) 22px;
  }
}

/* Центрирование текста кнопки "Contact" для мобильных устройств */
@media (max-width: 700px) {
  .btn-contact {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    text-align: center !important;
    width: 100%;
  }
}