/* no40 - 40대 남성 라이프스타일 커머스 */
/* 미니멀/모던 디자인 */

:root {
  /* Colors - 남성적이고 절제된 컬러 팔레트 */
  --primary: #1a1a1a;
  --secondary: #4a4a4a;
  --accent: #2c5f7c;
  --accent-light: #5a8ba8;
  --bg-light: #f5f5f5;
  --bg-white: #ffffff;
  --text-dark: #1a1a1a;
  --text-gray: #6a6a6a;
  --text-light: #9a9a9a;
  --border: #e0e0e0;
  --success: #4a7c59;
  --error: #c84545;

  /* Typography */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "SF Mono", Monaco, "Cascadia Code", Consolas, monospace;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;

  /* Layout */
  --max-width: 1280px;
  --header-height: 70px;
  --footer-height: 300px;

  /* Effects */
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.07);
  --shadow-lg: 0 10px 15px rgba(0,0,0,0.1);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  color: var(--text-dark);
  background: var(--bg-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
  margin-bottom: var(--space-sm);
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  opacity: 0.7;
}

/* Layout */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.section {
  padding: var(--space-2xl) 0;
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
  transition: var(--transition);
}

.header__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.header__logo {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--primary);
}

.header__nav {
  display: flex;
  gap: var(--space-lg);
}

.header__nav a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-gray);
  position: relative;
}

.header__nav a:hover {
  color: var(--primary);
}

.header__nav a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width 0.3s ease;
}

.header__nav a:hover::after {
  width: 100%;
}

.header__actions {
  display: flex;
  gap: var(--space-md);
  align-items: center;
}

.header__search,
.header__cart,
.header__user {
  width: 24px;
  height: 24px;
  cursor: pointer;
  color: var(--text-gray);
}

.header__search:hover,
.header__cart:hover,
.header__user:hover {
  color: var(--primary);
}

/* Hamburger Menu (Mobile) */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 5px;
}

.hamburger span {
  width: 24px;
  height: 2px;
  background: var(--primary);
  transition: var(--transition);
}

/* Hero Section */
.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  margin-top: var(--header-height);
  overflow: hidden;
}

.hero__slider {
  position: relative;
  width: 100%;
  height: 100%;
}

.hero__slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 1s ease-in-out;
}

.hero__slide.active {
  opacity: 1;
}

.hero__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.8);
}

.hero__content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  color: white;
  z-index: 10;
  max-width: 800px;
  padding: 0 var(--space-md);
}

.hero__title {
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: var(--space-md);
  text-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

.hero__subtitle {
  font-size: 1.25rem;
  font-weight: 400;
  margin-bottom: var(--space-xl);
  opacity: 0.95;
  text-shadow: 0 1px 5px rgba(0,0,0,0.3);
}

.hero__cta {
  display: inline-block;
  padding: 1rem 2.5rem;
  background: var(--bg-white);
  color: var(--primary);
  font-weight: 600;
  border-radius: 50px;
  transition: var(--transition);
  box-shadow: var(--shadow-lg);
}

.hero__cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 15px 25px rgba(0,0,0,0.15);
  opacity: 1;
}

/* Categories Section */
.categories {
  background: var(--bg-light);
}

.categories__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-lg);
}

.category-card {
  position: relative;
  aspect-ratio: 4/5;
  overflow: hidden;
  border-radius: 8px;
  cursor: pointer;
  transition: var(--transition);
}

.category-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.category-card__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.category-card:hover .category-card__image {
  transform: scale(1.05);
}

.category-card__overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-lg);
  background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
  color: white;
}

.category-card__title {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.category-card__count {
  font-size: 0.9rem;
  opacity: 0.9;
}

/* Product Grid */
.products__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-xl);
}

.product-card {
  position: relative;
  transition: var(--transition);
  cursor: pointer;
}

.product-card:hover {
  transform: translateY(-5px);
}

.product-card__image-wrapper {
  position: relative;
  aspect-ratio: 3/4;
  overflow: hidden;
  border-radius: 8px;
  background: var(--bg-light);
  margin-bottom: var(--space-sm);
}

.product-card__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.product-card:hover .product-card__image {
  transform: scale(1.05);
}

.product-card__badge {
  position: absolute;
  top: var(--space-sm);
  left: var(--space-sm);
  padding: 0.25rem 0.75rem;
  background: var(--accent);
  color: white;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 4px;
  text-transform: uppercase;
}

.product-card__info {
  padding: var(--space-xs) 0;
}

.product-card__category {
  font-size: 0.85rem;
  color: var(--text-light);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.25rem;
}

.product-card__name {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.product-card__price {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.125rem;
  font-weight: 700;
}

.product-card__price-original {
  font-size: 0.95rem;
  font-weight: 400;
  color: var(--text-light);
  text-decoration: line-through;
}

.product-card__rating {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  margin-top: 0.5rem;
  font-size: 0.875rem;
  color: var(--text-gray);
}

/* Button Styles */
.btn {
  display: inline-block;
  padding: 0.875rem 2rem;
  font-size: 1rem;
  font-weight: 600;
  text-align: center;
  border: none;
  border-radius: 50px;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}

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

.btn-primary:hover {
  background: var(--secondary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  opacity: 1;
}

.btn-secondary {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}

.btn-secondary:hover {
  background: var(--primary);
  color: white;
  opacity: 1;
}

.btn-accent {
  background: var(--accent);
  color: white;
}

.btn-accent:hover {
  background: var(--accent-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  opacity: 1;
}

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

.footer__container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.footer__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.footer__section h4 {
  margin-bottom: var(--space-md);
  font-size: 1.125rem;
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer__links a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.95rem;
}

.footer__links a:hover {
  color: white;
  opacity: 1;
}

.footer__bottom {
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.875rem;
}

/* Responsive */
@media (max-width: 768px) {
  :root {
    --header-height: 60px;
  }

  .header__nav {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .hero__title {
    font-size: 2rem;
  }

  .hero__subtitle {
    font-size: 1rem;
  }

  .categories__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-sm);
  }

  .products__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
  }

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

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

.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }

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

.hidden { display: none; }
.visible { display: block; }