/* ===================== VARIABLES ===================== */
:root {
  --green:        #4a7c59;
  --green-dark:   #355c41;
  --green-light:  #6b9e7a;
  --cream:        #f5f0e8;
  --cream-dark:   #e8e0d0;
  --brown:        #2d2d2d;
  --brown-light:  #5a4a3a;
  --white:        #ffffff;
  --shadow:       0 4px 20px rgba(0, 0, 0, 0.1);
  --radius:       10px;
  --transition:   0.3s ease;
}

/* ===================== RESET & BASE ===================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Lato', sans-serif;
  font-size: 16px;
  color: var(--brown);
  background: var(--white);
  line-height: 1.7;
}

h1, h2, h3, h4 {
  font-family: 'Playfair Display', serif;
  line-height: 1.3;
}

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

ul {
  list-style: none;
}

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

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

section {
  padding: 90px 0;
}

/* ===================== BUTTONS ===================== */
.btn {
  display: inline-block;
  padding: 14px 32px;
  border-radius: 50px;
  font-family: 'Lato', sans-serif;
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.5px;
  cursor: pointer;
  transition: all var(--transition);
  border: 2px solid transparent;
}

.btn-primary {
  background: var(--green);
  color: var(--white);
  border-color: var(--green);
}

.btn-primary:hover {
  background: var(--green-dark);
  border-color: var(--green-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(74, 124, 89, 0.35);
}

.btn-outline {
  background: transparent;
  color: var(--green);
  border-color: var(--green);
}

.btn-outline:hover {
  background: var(--green);
  color: var(--white);
  transform: translateY(-2px);
}

/* ===================== SECTION HEADER ===================== */
.section-tag {
  display: inline-block;
  background: var(--cream-dark);
  color: var(--green-dark);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: 50px;
  margin-bottom: 14px;
}

.section-tag.light {
  background: rgba(255, 255, 255, 0.2);
  color: var(--white);
}

.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-header h2 {
  font-size: 2.4rem;
  color: var(--brown);
}

/* ===================== IMAGE PLACEHOLDER ===================== */
.image-placeholder {
  background: var(--cream-dark);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--green-light);
  min-height: 320px;
}

.image-placeholder i {
  font-size: 5rem;
  opacity: 0.5;
}

.image-placeholder.small {
  min-height: 200px;
}

.image-placeholder.small i {
  font-size: 3rem;
}

/* ===================== REAL IMAGES ===================== */
.about-image img {
  width: 100%;
  height: 420px;
  object-fit: cover;
  border-radius: var(--radius);
}

.product-image {
  overflow: hidden;
}

.product-image img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}

.product-card:hover .product-image img {
  transform: scale(1.04);
}

/* ===================== HEADER ===================== */
#header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--cream-dark);
  transition: box-shadow var(--transition);
}

#header.scrolled {
  box-shadow: var(--shadow);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
  gap: 24px;
}

.logo {
  display: flex;
  align-items: center;
  white-space: nowrap;
}

.logo-img {
  height: 44px;
  width: auto;
  display: block;
}

.logo-img--footer {
  height: 56px;
  filter: brightness(0) invert(1);
  opacity: 0.85;
  margin-bottom: 12px;
}

#nav ul {
  display: flex;
  gap: 8px;
}

#nav a {
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--brown);
  padding: 8px 14px;
  border-radius: 50px;
  transition: all var(--transition);
  letter-spacing: 0.3px;
}

#nav a:hover,
#nav a.active {
  background: var(--cream);
  color: var(--green-dark);
}

.header-social {
  display: flex;
  gap: 10px;
}

.header-social a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--cream);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--green-dark);
  font-size: 0.9rem;
  transition: all var(--transition);
}

.header-social a:hover {
  background: var(--green);
  color: var(--white);
  transform: scale(1.1);
}

#menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

#menu-toggle span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--brown);
  border-radius: 2px;
  transition: all var(--transition);
}

/* ===================== HERO ===================== */
#hero {
  padding: 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  background:
    linear-gradient(135deg, #2d4a35 0%, #4a7c59 50%, #6b9e7a 100%);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.15);
}

.hero-content {
  position: relative;
  z-index: 1;
  color: var(--white);
  padding: 0 24px;
  max-width: 700px;
}

.hero-content h1 {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  margin-bottom: 20px;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.hero-content p {
  font-size: 1.15rem;
  margin-bottom: 36px;
  opacity: 0.92;
  font-weight: 300;
}

/* ===================== ABOUT ===================== */
#about {
  background: var(--cream);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-text .section-tag {
  display: block;
  width: fit-content;
}

.about-text h2 {
  font-size: 2.2rem;
  margin-bottom: 20px;
  color: var(--brown);
}

.about-text p {
  color: var(--brown-light);
  margin-bottom: 16px;
}

.about-text .btn {
  margin-top: 10px;
}

/* ===================== PRODUCTS ===================== */
#products {
  background: var(--white);
}

.section-subtitle {
  color: var(--brown-light);
  font-size: 1rem;
  margin-top: 10px;
}

.category-label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Lato', sans-serif;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--green-dark);
  margin-bottom: 20px;
  margin-top: 48px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--cream-dark);
}

.category-label i {
  font-size: 0.75rem;
  color: var(--green);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-bottom: 8px;
}

.product-card {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--cream-dark);
  transition: all var(--transition);
  background: var(--white);
  position: relative;
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
  border-color: var(--green-light);
}

.product-card--featured {
  border-color: var(--green-light);
}

.product-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  background: var(--green);
  color: var(--white);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  padding: 4px 12px;
  border-radius: 50px;
  z-index: 1;
}

.product-info {
  padding: 20px;
}

.product-code {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: var(--green-light);
  margin-bottom: 6px;
  font-family: 'Lato', sans-serif;
}

.product-code::before {
  content: '№ ';
}

.product-info h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
  color: var(--brown);
  letter-spacing: 0.5px;
}

.product-info p {
  font-size: 0.88rem;
  color: var(--brown-light);
  margin-bottom: 12px;
}

.product-options {
  font-size: 0.75rem;
  color: var(--green-dark);
  font-weight: 700;
  letter-spacing: 0.3px;
  border-top: 1px solid var(--cream-dark);
  padding-top: 10px;
  margin-top: 4px;
}

/* ===================== HERO SECONDARY BUTTON ===================== */
.hero-btn-secondary {
  margin-left: 12px;
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.6);
}

.hero-btn-secondary:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: var(--white);
  color: var(--white);
}

/* ===================== MATERIALS ===================== */
#materials {
  background: var(--cream);
}

.materials-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

.material-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 28px 22px;
  border: 1px solid var(--cream-dark);
  text-align: center;
  transition: all var(--transition);
}

.material-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.material-icon {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--cream);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  font-size: 1.3rem;
  color: var(--green);
}

.material-card h3 {
  font-size: 1rem;
  margin-bottom: 10px;
  color: var(--brown);
}

.material-card p {
  font-size: 0.88rem;
  color: var(--brown-light);
  line-height: 1.6;
}

.colors-section {
  text-align: center;
}

.colors-label {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--green-dark);
  margin-bottom: 18px;
}

.color-swatches {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

.swatch {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  cursor: default;
  position: relative;
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
  transition: transform var(--transition);
}

.swatch:hover {
  transform: scale(1.12);
}

.swatch span {
  position: absolute;
  bottom: -22px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.68rem;
  white-space: nowrap;
  color: var(--brown-light);
  font-weight: 700;
}

/* ===================== DANKOSYSTEMS ===================== */
#dankosystems {
  background: linear-gradient(135deg, var(--green-dark) 0%, var(--green) 100%);
  color: var(--white);
  padding: 80px 0;
}

.dankosystems-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 40px;
  align-items: center;
}

.dankosystems-text h2 {
  font-size: 2rem;
  margin-bottom: 16px;
  color: var(--white);
}

.dankosystems-text p {
  opacity: 0.9;
  margin-bottom: 28px;
  max-width: 560px;
}

.dankosystems-text .btn-primary {
  background: var(--white);
  color: var(--green-dark);
  border-color: var(--white);
}

.dankosystems-text .btn-primary:hover {
  background: var(--cream);
  border-color: var(--cream);
}

.dankosystems-logo {
  font-size: 7rem;
  opacity: 0.15;
}

/* ===================== CONTACT ===================== */
#contact {
  background: var(--cream);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.contact-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 28px;
}

.contact-item i {
  font-size: 1.3rem;
  color: var(--green);
  margin-top: 2px;
  flex-shrink: 0;
  width: 24px;
}

.contact-item strong {
  display: block;
  font-size: 0.85rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--green-dark);
  margin-bottom: 4px;
}

.contact-item p {
  color: var(--brown-light);
}

.contact-social h3 {
  font-size: 1.5rem;
  margin-bottom: 12px;
}

.contact-social p {
  color: var(--brown-light);
  margin-bottom: 24px;
}

.social-buttons {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.social-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 24px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 0.95rem;
  transition: all var(--transition);
  color: var(--white);
}

.social-btn.facebook {
  background: #1877f2;
}

.social-btn.facebook:hover {
  background: #1464d8;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(24, 119, 242, 0.35);
}

.social-btn.instagram {
  background: linear-gradient(45deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888);
}

.social-btn.instagram:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(220, 39, 67, 0.35);
}

/* ===================== FOOTER ===================== */
#footer {
  background: var(--brown);
  color: rgba(255, 255, 255, 0.8);
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  padding: 60px 24px 40px;
}

.footer-brand .logo {
  color: var(--white);
  margin-bottom: 12px;
  display: inline-block;
}

.footer-brand p {
  font-size: 0.9rem;
  opacity: 0.7;
}

.footer-dankosystems {
  margin-top: 10px;
  font-size: 0.85rem;
  opacity: 0.6;
}

.footer-dankosystems a {
  color: var(--green-light);
  text-decoration: underline;
}

.footer-dankosystems a:hover {
  color: var(--white);
}

.footer-nav h4,
.footer-social-section h4 {
  font-family: 'Lato', sans-serif;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 16px;
}

.footer-nav ul li {
  margin-bottom: 10px;
}

.footer-nav a {
  font-size: 0.9rem;
  opacity: 0.7;
  transition: opacity var(--transition);
}

.footer-nav a:hover {
  opacity: 1;
  color: var(--green-light);
}

.footer-social-icons {
  display: flex;
  gap: 12px;
}

.footer-social-icons a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  color: var(--white);
  transition: all var(--transition);
}

.footer-social-icons a:hover {
  background: var(--green);
  transform: scale(1.1);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 18px 24px;
  text-align: center;
  font-size: 0.85rem;
  opacity: 0.5;
}

/* ===================== RESPONSIVE ===================== */
@media (max-width: 1100px) {
  .materials-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 900px) {
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .footer-inner {
    grid-template-columns: 1fr 1fr;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 700px) {
  section {
    padding: 64px 0;
  }

  .section-header h2 {
    font-size: 1.9rem;
  }

  /* Mobile nav */
  #nav {
    display: none;
    position: absolute;
    top: 70px;
    left: 0;
    right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--cream-dark);
    box-shadow: var(--shadow);
    padding: 16px 24px;
  }

  #nav.open {
    display: block;
  }

  #nav ul {
    flex-direction: column;
    gap: 4px;
  }

  #nav a {
    display: block;
    padding: 12px 16px;
  }

  #menu-toggle {
    display: flex;
  }

  /* Hamburger → X animation */
  #menu-toggle.open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }
  #menu-toggle.open span:nth-child(2) {
    opacity: 0;
  }
  #menu-toggle.open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .about-grid,
  .contact-grid,
  .dankosystems-inner {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .dankosystems-logo {
    display: none;
  }

  .products-grid {
    grid-template-columns: 1fr;
  }

  .materials-grid {
    grid-template-columns: 1fr;
  }

  .hero-btn-secondary {
    margin-left: 0;
    margin-top: 12px;
    display: inline-block;
  }

  .color-swatches {
    gap: 20px;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-brand {
    grid-column: auto;
  }
}