:root {
  /* Colors */
  --primary-dark: #1a1a1a;
  --primary-light: #ffffff;
  --accent: #ffcc00;
  --neutral-warm: #f5f3f0;
  --neutral-mid: #6b6b6b;
  --border-color: #e0deda;
  --success: #2e7d32;

  /* Spacing */
  --space-xs: 8px;
  --space-sm: 16px;
  --space-md: 24px;
  --space-lg: 48px;
  --space-xl: 80px;
  --space-2xl: 120px;

  --section-pad-desktop: 120px;
  --section-pad-mobile: 64px;

  /* Typography */
  --font-display: "Oswald", sans-serif;
  --font-sans: "DM Sans", sans-serif;

  /* Shadows & Radius */
  --radius-pill: 100px;
  --radius-card: 16px;
  --shadow-sm: 0 2px 16px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.2);

  --transition-smooth: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-sans);
  font-weight: 400;
  color: var(--primary-dark);
  background-color: var(--primary-light);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

@media (min-width: 1024px) {
  body {
    font-size: 18px;
  }
}

/* Typography Classes */
h1,
h2,
h3,
h4,
h5,
h6 {
  margin-bottom: var(--space-sm);
  line-height: 1.2;
}

.h1-display {
  font-family: var(--font-display);
  font-weight: 500;
  font-style: normal;
  font-size: 40px;
  color: inherit;
}

@media (min-width: 1024px) {
  .h1-display {
    font-size: 72px;
  }
}

.h2-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 28px;
  color: inherit;
  margin-bottom: var(--space-md);
}

@media (min-width: 1024px) {
  .h2-title {
    font-size: 44px;
    margin-bottom: var(--space-lg);
  }
}

h3 {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 24px;
}

@media (min-width: 1024px) {
  h3 {
    font-size: 28px;
  }
}

.label-title {
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--neutral-mid);
  margin-bottom: var(--space-sm);
  display: inline-block;
}

@media (min-width: 1024px) {
  .label-title {
    font-size: 14px;
  }
}

.label-title.light {
  color: rgba(255, 255, 255, 0.8);
}

p {
  color: var(--neutral-mid);
  margin-bottom: var(--space-md);
}

.text-light {
  color: rgba(255, 255, 255, 0.9);
}

.text-dark {
  color: var(--primary-dark);
}

/* Container */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

@media (min-width: 1024px) {
  .container {
    padding: 0 var(--space-lg);
  }
}

/* Grid System */
.grid {
  display: grid;
  gap: var(--space-md);
}

.grid-2 {
  grid-template-columns: 1fr;
}

.grid-3 {
  grid-template-columns: 1fr;
}

.grid-4 {
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }

  .grid-4 {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: 16px 32px;
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 15px;
  border-radius: var(--radius-pill);
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition-smooth);
  border: 1px solid transparent;
}

@media (min-width: 1024px) {
  .btn {
    font-size: 16px;
  }
}

.btn-primary {
  background-color: rgba(255, 255, 255, 0.15);
  color: var(--primary-light);
  border-color: rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(8px);
}

.btn-primary:hover {
  background-color: var(--primary-light);
  color: var(--primary-dark);
}

.btn-secondary {
  background-color: transparent;
  color: var(--primary-light);
  border-color: rgba(255, 255, 255, 0.4);
}

.btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: var(--primary-light);
}

.btn-dark {
  background-color: var(--primary-dark);
  color: var(--primary-light);
}

.btn-dark:hover {
  background-color: #333;
}

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

.btn-dark.outline:hover {
  background-color: var(--primary-dark);
  color: var(--primary-light);
}

/* Sections */
.section {
  padding: var(--section-pad-mobile) 0;
}

@media (min-width: 1024px) {
  .section {
    padding: var(--section-pad-desktop) 0;
  }
}

.section-bg-light {
  background-color: var(--primary-light);
}

.section-bg-warm {
  background-color: var(--neutral-warm);
}

.section-bg-dark {
  background-color: var(--primary-dark);
  color: var(--primary-light);
}

.section-bg-dark p,
.section-bg-dark h3 {
  color: var(--primary-light);
}

/* Cards */
.card {
  background-color: var(--primary-light);
  border-radius: var(--radius-card);
  padding: var(--space-md);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-smooth);
  border: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  height: 100%;
}

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

.card-icon {
  width: 48px;
  height: 48px;
  color: var(--accent);
  margin-bottom: var(--space-md);
}

.card h3 {
  margin-bottom: var(--space-xs);
  color: var(--primary-dark);
}

/* Product Card */
.product-card {
  padding: 0;
  overflow: hidden;
}

.product-card-img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  border-bottom: 1px solid var(--border-color);
}

.product-card-content {
  padding: var(--space-md);
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.product-specs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xs);
  margin-bottom: var(--space-md);
  font-size: 14px;
}

.spec-item {
  color: var(--neutral-mid);
  display: flex;
  flex-direction: column;
}

.spec-value {
  font-weight: 600;
  color: var(--primary-dark);
}

.product-card .btn {
  margin-top: auto;
  align-self: flex-start;
  padding: 12px 0;
  background: transparent;
  color: var(--primary-dark);
  border: none;
  font-weight: 600;
}

.product-card .btn:hover {
  color: var(--accent);
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: var(--transition-smooth);
  background: transparent;
}

.navbar.scrolled,
.navbar.solid-bg {
  background: var(--primary-light);
  box-shadow: var(--shadow-sm);
  padding: 12px var(--space-md);
}

@media (min-width: 1024px) {
  .navbar {
    padding: var(--space-md) var(--space-lg);
  }

  .navbar.scrolled,
  .navbar.solid-bg {
    padding: 16px var(--space-lg);
  }
}

.logo img {
  height: 40px;
  width: auto;
  transition: var(--transition-smooth);
}

.navbar:not(.scrolled):not(.solid-bg) .logo img {
  filter: brightness(0) invert(1);
}

.navbar.scrolled .logo img,
.navbar.solid-bg .logo img {
  filter: none;
}

@media (min-width: 1024px) {
  .logo img {
    height: 50px;
  }
}

.nav-links {
  display: none;
}

@media (min-width: 1024px) {
  .nav-links {
    display: flex;
    align-items: center;
    background-color: var(--primary-light);
    border-radius: var(--radius-pill);
    padding: 8px;
    box-shadow: var(--shadow-sm);
  }

  .nav-item {
    padding: 8px 16px;
    font-size: 14px;
    font-weight: 500;
    color: var(--primary-dark);
    text-decoration: none;
    border-radius: var(--radius-pill);
    transition: var(--transition-smooth);
  }

  .nav-item:hover {
    background-color: var(--neutral-warm);
  }

  .nav-item.active {
    background-color: var(--primary-dark);
    color: var(--primary-light);
  }
}

.nav-right {
  display: none;
}

@media (min-width: 1024px) {
  .nav-right {
    display: flex;
    align-items: center;
  }
}

.mobile-menu-btn {
  display: block;
  background: transparent;
  border: none;
  cursor: pointer;
  width: 32px;
  height: 24px;
  position: relative;
}

.mobile-menu-btn span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--primary-dark);
  position: absolute;
  left: 0;
  transition: var(--transition-smooth);
}

.navbar:not(.scrolled):not(.solid-bg) .mobile-menu-btn span {
  background-color: var(--primary-light);
}

.navbar.scrolled .mobile-menu-btn span,
.navbar.solid-bg .mobile-menu-btn span {
  background-color: var(--primary-dark);
}

.mobile-menu-btn span:nth-child(1) {
  top: 0;
}

.mobile-menu-btn span:nth-child(2) {
  top: 11px;
}

.mobile-menu-btn span:nth-child(3) {
  top: 22px;
}

/* Filter system for Mobile menu */
.mobile-menu {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background-color: var(--primary-light);
  z-index: 999;
  padding: 100px var(--space-md) var(--space-md);
  transform: translateY(-100%);
  transition: transform 0.4s cubic-bezier(0.25, 1, 0.5, 1);
  display: flex;
  flex-direction: column;
}

.mobile-menu.active {
  transform: translateY(0);
}

.mobile-nav-item {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 700;
  color: var(--primary-dark);
  text-decoration: none;
  margin-bottom: var(--space-sm);
}

@media (min-width: 1024px) {
  .mobile-menu-btn,
  .mobile-menu {
    display: none;
  }
}

/* Footer */
.footer {
  background-color: var(--primary-dark);
  color: var(--primary-light);
  padding: var(--space-2xl) 0 var(--space-lg);
}

.footer-logo {
  height: 48px;
  margin-bottom: var(--space-md);
  filter: brightness(0) invert(1);
}

.footer p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 14px;
}

.footer-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: var(--space-md);
  color: var(--primary-light);
}

.footer-link {
  display: block;
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  margin-bottom: var(--space-xs);
  transition: var(--transition-smooth);
  font-size: 15px;
}

.footer-link:hover {
  color: var(--accent);
}

.footer-bottom {
  margin-top: var(--space-xl);
  padding-top: var(--space-md);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  font-size: 14px;
  color: rgba(255, 255, 255, 0.5);
}

@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
  }
}

/* Utilities */
.text-center {
  text-align: center;
}

.mb-lg {
  margin-bottom: var(--space-lg);
}

.mb-md {
  margin-bottom: var(--space-md);
}

.mb-xl {
  margin-bottom: var(--space-xl);
}

/* SVG Icons */
.icon {
  width: 24px;
  height: 24px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}