/* ============================================
   MAAAK Building — Styles
   ============================================ */

:root {
  /* Colors */
  --color-primary: #1B5E20;
  --color-primary-light: #2E7D32;
  --color-primary-dark: #0D3B12;
  --color-accent: #FF6F00;
  --color-accent-light: #FF8F00;
  --color-white: #FFFFFF;
  --color-bg: #FAFAFA;
  --color-bg-alt: #F0F4F0;
  --color-text: #212121;
  --color-text-light: #555555;
  --color-text-muted: #888888;
  --color-border: #E0E0E0;

  /* Typography */
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Spacing */
  --section-py: clamp(4rem, 8vw, 7rem);
  --container-px: clamp(1.25rem, 4vw, 2rem);
  --container-max: 1100px;

  /* Radius */
  --radius: 10px;
  --radius-lg: 16px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.10);

  /* Transitions */
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  font-family: var(--font);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

/* ---- Container ---- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-px);
}

/* ---- Section ---- */
.section {
  padding: var(--section-py) 0;
}
.section--alt {
  background: var(--color-bg-alt);
}
.section__title {
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 800;
  text-align: center;
  margin-bottom: 1rem;
  color: var(--color-text);
}
.section__subtitle {
  text-align: center;
  color: var(--color-text-light);
  max-width: 600px;
  margin: 0 auto 3rem;
  font-size: 1.05rem;
  line-height: 1.7;
}

/* ============================================
   Navigation
   ============================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.nav.scrolled {
  border-bottom-color: var(--color-border);
  box-shadow: var(--shadow-sm);
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}
.nav__logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: -0.5px;
}
.nav__links {
  display: flex;
  align-items: center;
  gap: 2rem;
}
.nav__links a {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--color-text-light);
  transition: color 0.2s var(--ease);
}
.nav__links a:hover {
  color: var(--color-primary);
}

/* Mobile toggle */
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav__toggle span {
  display: block;
  width: 24px;
  height: 2.5px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform 0.3s var(--ease), opacity 0.3s var(--ease);
}
.nav__toggle.active span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.nav__toggle.active span:nth-child(2) { opacity: 0; }
.nav__toggle.active span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font);
  font-weight: 600;
  font-size: 0.92rem;
  border: 2px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.25s var(--ease);
  padding: 0.6rem 1.4rem;
  gap: 0.5rem;
}
.btn--primary {
  background: var(--color-primary);
  color: var(--color-white);
}
.btn--primary:hover {
  background: var(--color-primary-light);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
.btn--outline {
  border-color: var(--color-white);
  color: var(--color-white);
  background: transparent;
}
.btn--outline:hover {
  background: var(--color-white);
  color: var(--color-primary);
}
.btn--nav {
  background: var(--color-primary);
  color: var(--color-white) !important;
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius);
}
.btn--nav:hover {
  background: var(--color-primary-light);
}
.btn--lg {
  padding: 0.85rem 2rem;
  font-size: 1rem;
}
.btn--full {
  width: 100%;
}

/* ============================================
   Hero
   ============================================ */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  background:
    linear-gradient(160deg, var(--color-primary-dark) 0%, var(--color-primary) 50%, #1a6b1f 100%);
  color: var(--color-white);
  overflow: hidden;
}
.hero__overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 80%, rgba(255,111,0,0.12) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(255,255,255,0.05) 0%, transparent 50%);
  pointer-events: none;
}
.hero__content {
  position: relative;
  z-index: 1;
  max-width: 680px;
  padding-top: 5rem;
}
.hero__title {
  font-size: clamp(2.2rem, 6vw, 3.5rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 1.25rem;
  letter-spacing: -1px;
}
.hero__subtitle {
  font-size: clamp(1.05rem, 2.5vw, 1.25rem);
  opacity: 0.88;
  line-height: 1.65;
  margin-bottom: 2.5rem;
  max-width: 540px;
}
.hero__actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* ============================================
   About
   ============================================ */
.about__content {
  max-width: 750px;
  margin: 0 auto;
  text-align: center;
}
.about__content p {
  color: var(--color-text-light);
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: 1.25rem;
}
.about__content p:last-child {
  margin-bottom: 0;
}

/* ============================================
   Categories / Services
   ============================================ */
.categories {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}
.category-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
  position: relative;
  overflow: hidden;
}
.category-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.category-card__icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  font-size: 1.5rem;
  background: var(--color-bg-alt);
  color: var(--color-primary);
}
.category-card__name {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}
.category-card__desc {
  color: var(--color-text-light);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 1.5rem;
}
.category-card__items {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.category-card__item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.92rem;
  color: var(--color-text-light);
}
.category-card__item::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
  flex-shrink: 0;
}
.category-card--linked {
  cursor: pointer;
  text-decoration: none;
  color: inherit;
}
.category-card__link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 1.25rem;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--color-primary);
  transition: gap 0.2s var(--ease);
}
.category-card:hover .category-card__link {
  gap: 0.7rem;
}
.category-card__badge {
  display: inline-block;
  background: var(--color-accent);
  color: var(--color-white);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
}

/* ============================================
   Why Us / Reasons
   ============================================ */
.reasons {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}
.reason-card {
  text-align: center;
  padding: 2rem 1.5rem;
}
.reason-card__icon {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.25rem;
  background: var(--color-bg-alt);
  color: var(--color-primary);
  font-size: 1.4rem;
}
.reason-card__title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}
.reason-card__text {
  color: var(--color-text-light);
  font-size: 0.92rem;
  line-height: 1.7;
}

/* ============================================
   Contact
   ============================================ */
.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 3rem;
  align-items: start;
}
.contact__info {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.contact__info-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}
.contact__info-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  background: var(--color-primary);
  color: var(--color-white);
  font-size: 1.1rem;
}
.contact__info-label {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-text-muted);
  margin-bottom: 0.2rem;
}
.contact__info-value {
  font-size: 0.95rem;
  color: var(--color-text);
  font-weight: 500;
}

/* Form */
.contact__form {
  background: var(--color-white);
  padding: 2.5rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
}
.form-group {
  margin-bottom: 1.25rem;
}
.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
  color: var(--color-text);
}
.form-group input,
.form-group textarea {
  width: 100%;
  font-family: var(--font);
  font-size: 0.95rem;
  padding: 0.75rem 1rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-bg);
  color: var(--color-text);
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
  outline: none;
}
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(27,94,32,0.1);
}
.form-group textarea {
  resize: vertical;
  min-height: 120px;
}
.form-success {
  text-align: center;
  padding: 2rem;
  color: var(--color-primary);
  font-weight: 600;
  font-size: 1.05rem;
}

/* ============================================
   Footer
   ============================================ */
.footer {
  background: var(--color-primary-dark);
  color: rgba(255,255,255,0.7);
  padding: 2rem 0;
}
.footer__inner {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-size: 0.88rem;
}

/* ============================================
   Page Header (subpages)
   ============================================ */
.page-header {
  padding: 7rem 0 2.5rem;
  background: linear-gradient(160deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  color: var(--color-white);
}
.page-header--compact {
  padding: 5.5rem 0 1.5rem;
}
.page-header__title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  margin-bottom: 0.5rem;
}
.page-header__subtitle {
  font-size: 1.05rem;
  opacity: 0.85;
  max-width: 560px;
  line-height: 1.65;
}
.breadcrumb {
  display: inline-block;
  font-size: 0.88rem;
  font-weight: 500;
  opacity: 0.75;
  margin-bottom: 0.75rem;
  transition: opacity 0.2s var(--ease);
}
.breadcrumb:hover {
  opacity: 1;
}

/* ============================================
   Catalog (produce.html)
   ============================================ */
.catalog-section {
  padding-top: 2.5rem;
}
.catalog-filters {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}
.catalog-filters__label {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-text-muted);
  margin-right: 0.25rem;
}
.filter-btn {
  font-family: var(--font);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.45rem 1.1rem;
  border: 1.5px solid var(--color-border);
  border-radius: 50px;
  background: var(--color-white);
  color: var(--color-text-light);
  cursor: pointer;
  transition: all 0.2s var(--ease);
}
.filter-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.filter-btn.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
}

.catalog-count {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
}

.catalog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 1.5rem;
}

.product-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
}
.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.product-card__visual {
  height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  background: var(--color-bg-alt);
  user-select: none;
}
.product-card__body {
  padding: 1.25rem 1.25rem 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.product-card__category {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-primary);
  margin-bottom: 0.35rem;
}
.product-card__name {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.3rem;
}
.product-card__tagline {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  line-height: 1.5;
  flex: 1;
}
.product-card__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-top: 1rem;
}
.product-card__cta::after {
  content: '\2192';
  transition: transform 0.2s var(--ease);
}
.product-card:hover .product-card__cta::after {
  transform: translateX(4px);
}

.catalog-empty {
  text-align: center;
  padding: 3rem;
  color: var(--color-text-muted);
  font-size: 1rem;
}

/* ============================================
   Product Detail (product.html)
   ============================================ */
.product-section {
  padding-top: 1.5rem;
}
.product-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}
.product-visual {
  height: 340px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 7rem;
  background: var(--color-bg-alt);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  user-select: none;
}
.product-info {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.product-info__category {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-primary);
}
.product-info__name {
  font-size: clamp(1.5rem, 3.5vw, 2rem);
  font-weight: 800;
  line-height: 1.2;
}
.product-info__desc {
  font-size: 1rem;
  color: var(--color-text-light);
  line-height: 1.75;
}
.product-specs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 0.5rem;
}
.product-spec {
  padding: 0.85rem 1rem;
  background: var(--color-bg-alt);
  border-radius: var(--radius);
}
.product-spec__label {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-text-muted);
  margin-bottom: 0.2rem;
}
.product-spec__value {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--color-text);
}

/* Order Enquiry Form */
.order-form {
  grid-column: 1 / -1;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-md);
  margin-top: 1rem;
}
.order-form__title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.3rem;
}
.order-form__subtitle {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
}
.order-form__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.order-form__grid .form-group--full {
  grid-column: 1 / -1;
}

/* ============================================
   Animations (fade-in on scroll)
   ============================================ */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 768px) {
  .nav__toggle {
    display: flex;
  }
  .nav__links {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: var(--color-white);
    flex-direction: column;
    padding: 2rem;
    gap: 1.25rem;
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
    transform: translateY(-120%);
    transition: transform 0.35s var(--ease);
  }
  .nav__links.open {
    transform: translateY(0);
  }
  .nav__links a {
    font-size: 1.05rem;
  }
  .btn--nav {
    width: 100%;
    text-align: center;
  }

  .hero__content {
    padding-top: 6rem;
  }

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

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

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

  .product-detail {
    grid-template-columns: 1fr;
  }
  .product-visual {
    height: 240px;
    font-size: 5rem;
  }
  .product-specs {
    grid-template-columns: 1fr;
  }
  .order-form__grid {
    grid-template-columns: 1fr;
  }
  .catalog-grid {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  }
}

@media (max-width: 480px) {
  .reasons {
    grid-template-columns: 1fr;
  }
  .hero__actions {
    flex-direction: column;
  }
  .hero__actions .btn {
    width: 100%;
  }
  .catalog-grid {
    grid-template-columns: 1fr;
  }
}