/* =========================
GLOBAL SITE STYLES
========================= */

* {
  box-sizing: border-box;
}

body {
  font-family: system-ui, sans-serif;
  margin: 0;
  color: #0f172a;
  background: #f8fafc;
}

/* CONTAINER */
.container {
  max-width: 1100px;
  margin: auto;
  padding: 0 20px;
}

/* =========================
TOP BAR
========================= */
.top-bar {
  background: #0f172a;
  color: #e5e7eb;
  font-size: 14px;
}

.top-bar .container {
  display: flex;
  justify-content: space-between;
  padding: 6px 0;
}

/* =========================
HEADER / NAV
========================= */
.header {
  background: #ffffff;
  border-bottom: 1px solid #e5e7eb;
}

.header-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
}

/* LOGO */
.logo img {
  height: 42px;
  width: auto;
  display: block;
}

/* NAVIGATION */
.nav {
  display: flex;
  align-items: center;
  gap: 20px;
}

.nav a {
  text-decoration: none;
  color: #0f172a;
  font-weight: 500;
}

.nav a:hover {
  color: #0f766e;
}

.btn-outline {
  border: 1px solid #0f766e;
  padding: 6px 14px;
  border-radius: 6px;
  color: #0f766e;
}

/* DROPDOWN */
.nav-dropdown {
  position: relative;
}

.dropdown-toggle {
  cursor: pointer;
}

.dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 6px;
  min-width: 220px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.08);
  z-index: 1000;
}

.dropdown-menu a {
  display: block;
  padding: 10px 14px;
  color: #0f172a;
}

.dropdown-menu a:hover {
  background: #ecfdf5;
  color: #0f766e;
}

.nav-dropdown:hover .dropdown-menu {
  display: block;
}

/* =========================
PRODUCT PAGE CONTENT
========================= */

.filters {
  display: flex;
  gap: 12px;
  justify-content: center;
  padding: 20px;
}

.filters select {
  padding: 8px;
  border-radius: 6px;
  border: 1px solid #cbd5e1;
}

.common-features {
  background: #ecfdf5;
  border-left: 5px solid #0f766e;
  padding: 16px;
  margin-bottom: 30px;
}

.product-card {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 20px;
  background: white;
  border-radius: 12px;
  padding: 16px;
  margin-bottom: 20px;
  box-shadow: 0 6px 18px rgba(0,0,0,0.08);
}

.slider {
  aspect-ratio: 1 / 1;
  background: #e5e7eb;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.slide {
  display: none;
}
.slide.active {
  display: block;
}

.info h3 {
  margin-top: 0;
  color: #065f46;
}

.info ul {
  list-style: none;
  padding: 0;
}

.info li {
  margin-bottom: 6px;
}

button {
  background: #0f766e;
  color: #fff;
  border: none;
  padding: 10px 16px;
  border-radius: 6px;
  cursor: pointer;
}

button:hover {
  background: #065f46;
}

/* =========================
FOOTER
========================= */
.footer {
  background: linear-gradient(180deg,#064e3b,#0f172a);
  color: #d1fae5;
  text-align: center;
  padding: 28px 20px;
  margin-top: 40px;
}

.footer p {
  margin: 6px 0;
  font-size: 14px;
}

/* =========================
MOBILE
========================= */
@media (max-width: 768px) {
  .nav {
    display: none;
  }

  .product-card {
    grid-template-columns: 1fr;
  }
}

/* =========================
MOBILE OPTIMISATION
========================= */

@media (max-width: 768px) {

  /* GENERAL SPACING */
  body {
    font-size: 15px;
  }

  .container {
    padding: 0 14px;
  }

  /* HEADER */
  .header-wrap {
    flex-direction: row;
  }

  /* LOGO */
  .logo img {
    height: 36px;
  }

  /* NAV → SHOW AS STACK */
  .nav {
    display: block;
    background: #ffffff;
    padding: 10px 0;
  }

  .nav a {
    display: block;
    padding: 10px 0;
    font-size: 16px;
  }

  .btn-outline {
    display: inline-block;
    margin-top: 6px;
  }

  /* DROPDOWN FIX */
  .dropdown-menu {
    position: static;
    box-shadow: none;
    border: none;
  }

  /* FILTERS */
  .filters {
    flex-direction: column;
    gap: 10px;
    padding: 14px;
  }

  .filters select {
    width: 100%;
    font-size: 16px;
    padding: 10px;
  }

  /* PRODUCT CARDS */
  .product-card {
    grid-template-columns: 1fr;
    padding: 14px;
  }

  .slider {
    width: 100%;
    aspect-ratio: 1 / 1;
  }

  .info h3 {
    font-size: 18px;
    margin-top: 10px;
  }

  .info li {
    font-size: 14px;
  }

  button {
    width: 100%;
    padding: 12px;
    font-size: 16px;
    margin-top: 10px;
  }

  /* FOOTER */
  .footer {
    font-size: 13px;
    padding: 20px 14px;
  }
}