/* ===========================
   BRUK-BUD — MAIN STYLESHEET
   =========================== */

/* --- Variables --- */
:root {
  --primary:       #1C1C1C;
  --primary-light: #2E2E2E;
  --cream:         #EDE8D8;
  --cream-light:   #F8F5EE;
  --gold:          #C8860A;
  --gold-light:    #E8A020;
  --stone:         #8A8A8A;
  --stone-light:   #BDBDBD;
  --white:         #FFFFFF;
  --text:          #2D2D2D;
  --text-muted:    #666666;
  --border:        #E0DAD0;
  --success:       #388E3C;
  --error:         #C62828;

  --shadow-sm:  0 2px 8px rgba(0,0,0,0.08);
  --shadow-md:  0 4px 20px rgba(0,0,0,0.12);
  --shadow-lg:  0 8px 40px rgba(0,0,0,0.16);

  --radius:     8px;
  --radius-lg:  16px;
  --transition: 0.3s ease;
  --font:       'Montserrat', sans-serif;
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: var(--font); color: var(--text); background: var(--cream-light); line-height: 1.6; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, textarea, select { font-family: inherit; }

/* --- Typography --- */
h1 { font-size: clamp(1.8rem, 4vw, 3rem); font-weight: 800; line-height: 1.15; }
h2 { font-size: clamp(1.4rem, 3vw, 2.2rem); font-weight: 700; line-height: 1.2; }
h3 { font-size: clamp(1.1rem, 2vw, 1.4rem); font-weight: 600; }
h4 { font-size: 1.1rem; font-weight: 600; }
p  { line-height: 1.7; }

/* --- Layout --- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.section { padding: 80px 0; }
.section-sm { padding: 50px 0; }
.section-title { text-align: center; margin-bottom: 50px; }
.section-title h2 { margin-bottom: 12px; }
.section-title p { color: var(--text-muted); max-width: 600px; margin: 0 auto; }
.section-title .line {
  width: 60px; height: 4px;
  background: var(--gold);
  margin: 12px auto 0;
  border-radius: 2px;
}
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.gap-4 { gap: 16px; }
.text-center { text-align: center; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }

/* --- Buttons --- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 32px; border-radius: var(--radius);
  font-size: 0.95rem; font-weight: 600;
  transition: all var(--transition);
  letter-spacing: 0.3px;
}
.btn-primary {
  background: var(--gold); color: var(--white);
}
.btn-primary:hover { background: var(--gold-light); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-dark {
  background: var(--primary); color: var(--white);
}
.btn-dark:hover { background: var(--primary-light); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-outline {
  border: 2px solid var(--gold); color: var(--gold); background: transparent;
}
.btn-outline:hover { background: var(--gold); color: var(--white); }
.btn-white {
  background: var(--white); color: var(--primary);
}
.btn-white:hover { background: var(--cream); transform: translateY(-2px); }
.btn-sm { padding: 9px 20px; font-size: 0.85rem; }
.btn-lg { padding: 18px 44px; font-size: 1.05rem; }
.btn-full { width: 100%; }

/* ===========================
   HEADER / NAVIGATION
   =========================== */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(28,28,28,0.97);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  transition: all var(--transition);
}
.header.scrolled { box-shadow: var(--shadow-lg); }
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 20px; height: 72px; max-width: 1200px; margin: 0 auto;
}
.logo { display: flex; align-items: center; }
.logo img { height: 48px; width: auto; }

.nav { display: flex; align-items: center; gap: 4px; }
.nav a {
  color: rgba(255,255,255,0.85); padding: 8px 14px;
  border-radius: var(--radius); font-size: 0.9rem; font-weight: 500;
  transition: all var(--transition);
}
.nav a:hover, .nav a.active { color: var(--white); background: rgba(255,255,255,0.1); }
.nav a.active { color: var(--gold-light); }

.header-phone {
  color: var(--white); font-weight: 700; font-size: 1rem;
  display: flex; align-items: center; gap: 8px;
}
.header-phone span { color: var(--gold-light); }

.burger {
  display: none; flex-direction: column; gap: 5px;
  padding: 8px; cursor: pointer;
}
.burger span {
  display: block; width: 24px; height: 2px;
  background: var(--white); border-radius: 2px;
  transition: all var(--transition);
}
.burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.open span:nth-child(2) { opacity: 0; }
.burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  display: none; position: fixed; top: 72px; left: 0; right: 0; bottom: 0;
  background: var(--primary); z-index: 999;
  padding: 24px 20px; overflow-y: auto;
}
.mobile-menu.open { display: block; }
.mobile-menu a {
  display: block; color: var(--white); padding: 16px 0;
  font-size: 1.1rem; font-weight: 600;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.mobile-menu a:last-child { border-bottom: none; }
.mobile-menu .mobile-phone {
  margin-top: 24px; padding: 16px;
  background: rgba(255,255,255,0.08); border-radius: var(--radius);
  font-size: 1.2rem; font-weight: 700; color: var(--gold-light);
  text-align: center;
}

/* ===========================
   HERO SECTION
   =========================== */
.hero {
  min-height: 100vh;
  background: var(--primary);
  display: flex; align-items: center;
  position: relative; overflow: hidden;
  padding-top: 72px;
}
.hero-bg {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, #1C1C1C 0%, #2E2E2E 50%, #1A1A1A 100%);
}
.hero-pattern {
  position: absolute; inset: 0; opacity: 0.04;
  background-image: repeating-linear-gradient(
    0deg, transparent, transparent 40px, rgba(255,255,255,0.5) 40px, rgba(255,255,255,0.5) 41px
  ),
  repeating-linear-gradient(
    90deg, transparent, transparent 40px, rgba(255,255,255,0.5) 40px, rgba(255,255,255,0.5) 41px
  );
}
.hero-image {
  position: absolute; right: 0; top: 0; bottom: 0;
  width: 55%; overflow: hidden;
}
.hero-image img {
  width: 100%; height: 100%; object-fit: cover;
  opacity: 0.3;
}
.hero-image::before {
  content: ''; position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(90deg, var(--primary) 0%, transparent 50%);
}
.hero-content {
  position: relative; z-index: 2;
  max-width: 620px;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(200,134,10,0.2); border: 1px solid rgba(200,134,10,0.4);
  color: var(--gold-light); padding: 6px 16px; border-radius: 50px;
  font-size: 0.85rem; font-weight: 600; letter-spacing: 0.5px;
  margin-bottom: 24px;
}
.hero h1 { color: var(--white); margin-bottom: 20px; }
.hero h1 span { color: var(--gold-light); }
.hero p { color: rgba(255,255,255,0.75); font-size: 1.1rem; margin-bottom: 36px; max-width: 520px; }
.hero-buttons { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-stats {
  display: flex; gap: 40px; margin-top: 56px; padding-top: 36px;
  border-top: 1px solid rgba(255,255,255,0.12);
}
.stat-item { text-align: center; }
.stat-number { font-size: 2rem; font-weight: 800; color: var(--white); line-height: 1; }
.stat-number span { color: var(--gold-light); }
.stat-label { font-size: 0.8rem; color: rgba(255,255,255,0.55); margin-top: 4px; text-transform: uppercase; letter-spacing: 0.5px; }

/* ===========================
   FEATURES / ADVANTAGES
   =========================== */
.features { background: var(--white); }
.feature-card {
  padding: 32px 24px; border-radius: var(--radius-lg);
  border: 1px solid var(--border); text-align: center;
  transition: all var(--transition);
}
.feature-card:hover { border-color: var(--gold); box-shadow: var(--shadow-md); transform: translateY(-4px); }
.feature-icon {
  width: 64px; height: 64px; border-radius: 50%;
  background: rgba(200,134,10,0.1);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 20px; font-size: 1.8rem;
}
.feature-card h3 { margin-bottom: 10px; }
.feature-card p { color: var(--text-muted); font-size: 0.9rem; }

/* ===========================
   PRODUCT CARDS
   =========================== */
.products-section { background: var(--cream-light); }
.product-card {
  background: var(--white); border-radius: var(--radius-lg);
  overflow: hidden; border: 1px solid var(--border);
  transition: all var(--transition); display: flex; flex-direction: column;
}
.product-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); border-color: var(--gold); }
.product-card-img {
  height: 220px; overflow: hidden; background: #F5F5F5;
  display: flex; align-items: center; justify-content: center; position: relative;
}
.product-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.product-card:hover .product-card-img img { transform: scale(1.05); }
.product-card-img .badge {
  position: absolute; top: 12px; left: 12px;
  background: var(--gold); color: var(--white);
  padding: 4px 12px; border-radius: 20px; font-size: 0.75rem; font-weight: 700;
}
.product-card-body { padding: 20px; flex: 1; display: flex; flex-direction: column; }
.product-card-category { font-size: 0.75rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 6px; }
.product-card-body h3 { margin-bottom: 8px; font-size: 1.15rem; }
.product-card-dims { display: flex; gap: 16px; margin-bottom: 12px; }
.dim-item { font-size: 0.8rem; color: var(--text-muted); }
.dim-item strong { color: var(--text); font-weight: 600; }
.product-colors { display: flex; gap: 6px; margin-bottom: 16px; flex-wrap: wrap; }
.color-dot {
  width: 18px; height: 18px; border-radius: 50%;
  border: 2px solid rgba(0,0,0,0.15); cursor: pointer;
  transition: transform var(--transition);
}
.color-dot:hover { transform: scale(1.3); }
.product-price {
  margin-top: auto; padding-top: 14px;
  border-top: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
}
.price-value { font-size: 1.3rem; font-weight: 800; color: var(--gold); }
.price-unit { font-size: 0.75rem; color: var(--text-muted); }

/* Product detail page */
.product-gallery { display: grid; gap: 8px; }
.product-gallery-main { border-radius: var(--radius-lg); overflow: hidden; height: 400px; background: #F5F5F5; }
.product-gallery-main img { width: 100%; height: 100%; object-fit: contain; }
.product-info-block { padding: 0 0 24px; border-bottom: 1px solid var(--border); margin-bottom: 24px; }
.product-meta { display: flex; flex-direction: column; gap: 12px; }
.meta-row { display: flex; gap: 8px; font-size: 0.9rem; }
.meta-label { color: var(--text-muted); min-width: 130px; }
.meta-value { font-weight: 600; }

/* ===========================
   CATALOG FILTERS
   =========================== */
.catalog-filters {
  display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 40px;
}
.filter-btn {
  padding: 10px 22px; border-radius: 50px;
  border: 2px solid var(--border); color: var(--text-muted);
  font-size: 0.9rem; font-weight: 600; background: var(--white);
  transition: all var(--transition); cursor: pointer;
}
.filter-btn:hover, .filter-btn.active {
  border-color: var(--gold); color: var(--gold); background: rgba(200,134,10,0.06);
}
.filter-btn.active { background: var(--gold); color: var(--white); }

/* ===========================
   CALCULATOR
   =========================== */
.calculator-section { background: var(--white); }
.calculator-box {
  background: var(--primary); border-radius: var(--radius-lg);
  padding: 40px; color: var(--white);
}
.calc-form .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 20px; }
.form-group { display: flex; flex-direction: column; gap: 8px; }
.form-group label { font-size: 0.85rem; font-weight: 600; color: rgba(255,255,255,0.7); text-transform: uppercase; letter-spacing: 0.5px; }
.form-group input, .form-group select {
  padding: 14px 16px; border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,0.15); background: rgba(255,255,255,0.08);
  color: var(--white); font-size: 1rem; transition: all var(--transition);
}
.form-group input::placeholder { color: rgba(255,255,255,0.3); }
.form-group input:focus, .form-group select:focus {
  outline: none; border-color: var(--gold-light); background: rgba(255,255,255,0.12);
}
.form-group select option { background: var(--primary); color: var(--white); }

.calc-results {
  margin-top: 30px; padding: 28px;
  background: rgba(255,255,255,0.06); border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,0.12); display: none;
}
.calc-results.show { display: block; }
.results-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 20px; }
.result-item { text-align: center; }
.result-value { font-size: 1.8rem; font-weight: 800; color: var(--gold-light); line-height: 1; }
.result-label { font-size: 0.75rem; color: rgba(255,255,255,0.55); margin-top: 4px; text-transform: uppercase; }
.calc-total {
  margin-top: 20px; padding: 16px 20px;
  background: var(--gold); border-radius: var(--radius);
  display: flex; align-items: center; justify-content: space-between;
}
.calc-total-label { font-size: 0.9rem; font-weight: 600; }
.calc-total-price { font-size: 1.5rem; font-weight: 800; }

/* ===========================
   PORTFOLIO
   =========================== */
.portfolio-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
}
.portfolio-item {
  position: relative; border-radius: var(--radius); overflow: hidden;
  aspect-ratio: 4/3; background: var(--border); cursor: pointer;
  display: flex; align-items: center; justify-content: center;
}
.portfolio-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.portfolio-item:hover img { transform: scale(1.08); }
.portfolio-overlay {
  position: absolute; inset: 0;
  background: rgba(28,28,28,0.7);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; transition: opacity var(--transition);
}
.portfolio-item:hover .portfolio-overlay { opacity: 1; }
.portfolio-overlay-icon { font-size: 2.5rem; color: var(--white); }
.portfolio-placeholder {
  width: 100%; height: 100%;
  background: var(--cream-light); border: 2px dashed var(--border);
  border-radius: var(--radius);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 8px; color: var(--text-muted); font-size: 0.85rem; text-align: center; padding: 20px;
}
.portfolio-placeholder .icon { font-size: 2.5rem; opacity: 0.4; }

/* Lightbox */
.lightbox {
  position: fixed; inset: 0; z-index: 9999;
  background: rgba(0,0,0,0.92);
  display: none; align-items: center; justify-content: center;
}
.lightbox.open { display: flex; }
.lightbox img { max-width: 90vw; max-height: 90vh; border-radius: var(--radius); }
.lightbox-close {
  position: absolute; top: 20px; right: 20px;
  color: var(--white); font-size: 2rem; cursor: pointer; background: none; border: none;
  width: 44px; height: 44px; border-radius: 50%;
  background: rgba(255,255,255,0.1); display: flex; align-items: center; justify-content: center;
}

/* ===========================
   FORMS
   =========================== */
.form-light .form-group label { color: var(--text); font-size: 0.85rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; }
.form-light .form-group input,
.form-light .form-group select,
.form-light .form-group textarea {
  padding: 14px 16px; border-radius: var(--radius);
  border: 1.5px solid var(--border); background: var(--white);
  color: var(--text); font-size: 1rem; transition: all var(--transition);
}
.form-light .form-group input:focus,
.form-light .form-group select:focus,
.form-light .form-group textarea:focus {
  outline: none; border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(200,134,10,0.1);
}
.form-light .form-group textarea { resize: vertical; min-height: 120px; }
.form-row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }

/* Contact form section */
.contact-section { background: var(--cream-light); }
.contact-box {
  background: var(--white); padding: 40px; border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}
.contact-info-item {
  display: flex; gap: 16px; align-items: flex-start; padding: 20px 0;
  border-bottom: 1px solid var(--border);
}
.contact-info-item:last-child { border-bottom: none; }
.contact-icon {
  width: 44px; height: 44px; min-width: 44px; border-radius: 50%;
  background: rgba(200,134,10,0.1); color: var(--gold);
  display: flex; align-items: center; justify-content: center; font-size: 1.2rem;
}
.contact-info-item h4 { margin-bottom: 4px; font-size: 0.9rem; color: var(--text-muted); font-weight: 500; }
.contact-info-item p { font-weight: 600; font-size: 1rem; }
.contact-info-item a:hover { color: var(--gold); }

/* ===========================
   ABOUT PAGE
   =========================== */
.about-hero { padding: 140px 0 80px; background: var(--primary); }
.about-hero h1 { color: var(--white); }
.about-hero p { color: rgba(255,255,255,0.7); font-size: 1.1rem; margin-top: 12px; max-width: 600px; }
.about-numbers {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
  padding: 48px 0; border-bottom: 1px solid var(--border);
}
.about-number { text-align: center; }
.about-number .num { font-size: 2.5rem; font-weight: 800; color: var(--gold); }
.about-number .lbl { color: var(--text-muted); font-size: 0.9rem; margin-top: 4px; }

/* ===========================
   DELIVERY PAGE
   =========================== */
.delivery-card {
  background: var(--white); padding: 32px; border-radius: var(--radius-lg);
  border: 1px solid var(--border); transition: all var(--transition);
}
.delivery-card:hover { border-color: var(--gold); box-shadow: var(--shadow-md); }
.delivery-icon { font-size: 2.5rem; margin-bottom: 16px; }
.payment-methods { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 24px; }
.payment-badge {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 20px; background: var(--white);
  border: 1px solid var(--border); border-radius: var(--radius);
  font-weight: 600; font-size: 0.9rem;
}
.payment-badge .icon { font-size: 1.4rem; }

/* ===========================
   FAQ
   =========================== */
.faq-item { border-bottom: 1px solid var(--border); }
.faq-question {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 0; cursor: pointer; font-weight: 600; font-size: 1rem;
  transition: color var(--transition);
}
.faq-question:hover { color: var(--gold); }
.faq-toggle { font-size: 1.4rem; color: var(--gold); transition: transform var(--transition); }
.faq-item.open .faq-toggle { transform: rotate(45deg); }
.faq-answer { display: none; padding-bottom: 20px; color: var(--text-muted); line-height: 1.7; }
.faq-item.open .faq-answer { display: block; }

/* ===========================
   MAP / CONTACT
   =========================== */
.map-placeholder {
  width: 100%; height: 400px;
  background: var(--cream-light); border-radius: var(--radius-lg);
  border: 2px dashed var(--border);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 12px; color: var(--text-muted); font-size: 1rem; text-align: center;
}
.map-placeholder .icon { font-size: 3rem; }

/* ===========================
   BREADCRUMB
   =========================== */
.breadcrumb { padding: 14px 0; font-size: 0.85rem; color: var(--text-muted); }
.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--gold); }
.breadcrumb span { margin: 0 8px; }

/* ===========================
   PAGE HERO (inner pages)
   =========================== */
.page-hero {
  padding: 130px 0 60px; background: var(--primary);
  text-align: center;
}
.page-hero h1 { color: var(--white); margin-bottom: 12px; }
.page-hero p { color: rgba(255,255,255,0.65); font-size: 1rem; max-width: 500px; margin: 0 auto; }
.page-hero .breadcrumb { color: rgba(255,255,255,0.45); justify-content: center; }
.page-hero .breadcrumb a { color: rgba(255,255,255,0.45); }
.page-hero .breadcrumb a:hover { color: var(--gold-light); }

/* ===========================
   CTA SECTION
   =========================== */
.cta-section {
  background: var(--primary); padding: 80px 0; text-align: center;
}
.cta-section h2 { color: var(--white); margin-bottom: 16px; }
.cta-section p { color: rgba(255,255,255,0.65); max-width: 560px; margin: 0 auto 32px; font-size: 1.05rem; }

/* ===========================
   FOOTER
   =========================== */
.footer { background: #141414; color: rgba(255,255,255,0.7); padding: 60px 0 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 48px; }
.footer-brand .logo img { height: 44px; margin-bottom: 16px; filter: brightness(0) invert(1); }
.footer-brand p { font-size: 0.9rem; line-height: 1.6; max-width: 280px; }
.footer-col h4 { color: var(--white); font-size: 0.9rem; text-transform: uppercase; letter-spacing: 0.8px; margin-bottom: 18px; }
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a { font-size: 0.9rem; transition: color var(--transition); }
.footer-links a:hover { color: var(--gold-light); }
.footer-contact-item { display: flex; gap: 10px; align-items: flex-start; font-size: 0.9rem; margin-bottom: 12px; }
.footer-contact-item .ic { color: var(--gold-light); font-size: 1rem; margin-top: 2px; }
.footer-social { display: flex; gap: 10px; margin-top: 16px; }
.social-btn {
  width: 38px; height: 38px; border-radius: 50%;
  background: rgba(255,255,255,0.08); color: rgba(255,255,255,0.7);
  display: flex; align-items: center; justify-content: center; font-size: 1rem;
  transition: all var(--transition);
}
.social-btn:hover { background: var(--gold); color: var(--white); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 20px 0; display: flex; align-items: center; justify-content: space-between;
  font-size: 0.8rem; color: rgba(255,255,255,0.35);
}

/* ===========================
   NOTIFICATION / TOAST
   =========================== */
.toast {
  position: fixed; bottom: 24px; right: 24px; z-index: 9999;
  background: var(--primary); color: var(--white);
  padding: 16px 24px; border-radius: var(--radius);
  border-left: 4px solid var(--success);
  box-shadow: var(--shadow-lg); font-weight: 600;
  transform: translateY(80px); opacity: 0;
  transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.toast.show { transform: translateY(0); opacity: 1; }
.toast.error { border-color: var(--error); }

/* ===========================
   SCROLL ANIMATIONS
   =========================== */
.fade-up { opacity: 0; transform: translateY(30px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-up.visible { opacity: 1; transform: translateY(0); }

/* ===========================
   ADMIN PAGE
   =========================== */
.admin-bar {
  background: #0D47A1; color: var(--white);
  padding: 8px 20px; font-size: 0.85rem; font-weight: 600;
  display: flex; align-items: center; justify-content: space-between;
}
.admin-panel { background: #F5F5F5; min-height: 100vh; padding: 120px 0 60px; }
.admin-card { background: var(--white); border-radius: var(--radius-lg); padding: 28px; box-shadow: var(--shadow-sm); margin-bottom: 24px; }
.admin-card h3 { margin-bottom: 20px; padding-bottom: 12px; border-bottom: 2px solid var(--gold); }
.admin-table { width: 100%; border-collapse: collapse; }
.admin-table th, .admin-table td { padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--border); font-size: 0.9rem; }
.admin-table th { background: #F8F8F8; font-weight: 700; color: var(--text-muted); text-transform: uppercase; font-size: 0.75rem; letter-spacing: 0.5px; }
.admin-table tr:last-child td { border-bottom: none; }
.admin-table .price-input { width: 100px; padding: 6px 10px; border: 1px solid var(--border); border-radius: 4px; text-align: right; }

/* ===========================
   RESPONSIVE
   =========================== */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .about-numbers { grid-template-columns: repeat(2, 1fr); }
  .results-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .section { padding: 56px 0; }
  .grid-2 { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .grid-4 { grid-template-columns: 1fr 1fr; }
  .hero-stats { gap: 20px; }
  .hero-image { width: 100%; opacity: 0.15; }
  .hero-content { max-width: 100%; }
  .nav { display: none; }
  .burger { display: flex; }
  .header-phone { display: none; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .portfolio-grid { grid-template-columns: 1fr 1fr; }
  .form-row-2 { grid-template-columns: 1fr; }
  .calc-form .form-row { grid-template-columns: 1fr; }
  .results-grid { grid-template-columns: repeat(2, 1fr); }
  .calc-total { flex-direction: column; gap: 8px; text-align: center; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
}

@media (max-width: 480px) {
  .grid-3 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr; }
  .portfolio-grid { grid-template-columns: 1fr; }
  .hero-stats { flex-wrap: wrap; gap: 16px; justify-content: center; }
  .hero-buttons { flex-direction: column; }
  .btn { width: 100%; }
  .results-grid { grid-template-columns: repeat(2, 1fr); }
  .about-numbers { grid-template-columns: 1fr 1fr; }
  .calculator-box { padding: 24px 16px; }
}