/* ============================================================
   National Point — Main Stylesheet
   High-end Leather Brand EC Site
   ============================================================ */

/* ---------- CSS Variables ---------- */
:root {
  --color-bg:          #0a0907;
  --color-bg-warm:     #0f0d0a;
  --color-bg-section:  #111008;
  --color-surface:     #1a1712;
  --color-surface-2:   #242018;
  --color-border:      #2e2920;
  --color-border-light:#3d3628;

  --color-cream:       #f2ede4;
  --color-cream-dim:   #c8c0b0;
  --color-gold:        #b8975a;
  --color-gold-light:  #d4b07a;
  --color-gold-pale:   #e8d5a8;
  --color-orange:      #c96c2a;

  --color-text:        #e8e2d6;
  --color-text-muted:  #9a9080;
  --color-text-dim:    #5c5448;

  --font-en:    'Cormorant Garamond', 'Playfair Display', Georgia, serif;
  --font-sans:  'Raleway', 'Helvetica Neue', Arial, sans-serif;
  --font-jp:    'Noto Serif JP', 'Yu Mincho', '游明朝', serif;

  --spacing-xs:   0.4rem;
  --spacing-sm:   0.8rem;
  --spacing-md:   1.6rem;
  --spacing-lg:   3.2rem;
  --spacing-xl:   6.4rem;
  --spacing-2xl:  9.6rem;
  --spacing-3xl:  12.8rem;

  --radius-sm:  4px;
  --radius-md:  8px;
  --radius-lg:  16px;

  --transition-fast:   0.18s ease;
  --transition-base:   0.32s ease;
  --transition-slow:   0.6s cubic-bezier(0.25,0.8,0.25,1);

  --shadow-sm:  0 2px 12px rgba(0,0,0,0.4);
  --shadow-md:  0 8px 40px rgba(0,0,0,0.6);
  --shadow-lg:  0 20px 80px rgba(0,0,0,0.8);

  --max-width: 1400px;
  --nav-height: 72px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }
ul, ol { list-style: none; }
input, textarea, select {
  font: inherit;
  color: inherit;
  background: transparent;
  border: none;
  outline: none;
}

/* ---------- Typography ---------- */
.t-display {
  font-family: var(--font-en);
  font-weight: 300;
  letter-spacing: 0.06em;
  line-height: 1.1;
}
.t-heading {
  font-family: var(--font-en);
  font-weight: 400;
  letter-spacing: 0.04em;
  line-height: 1.2;
}
.t-label {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-gold);
}
.t-body {
  font-family: var(--font-jp);
  font-weight: 300;
  line-height: 1.9;
  color: var(--color-text-muted);
}
.t-jp {
  font-family: var(--font-jp);
  line-height: 1.9;
}

/* ---------- Layout ---------- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 clamp(1.6rem, 5vw, 5rem);
}
.section { padding: var(--spacing-2xl) 0; }
.section--lg { padding: var(--spacing-3xl) 0; }

/* ---------- Grid ---------- */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: var(--spacing-lg); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--spacing-md); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--spacing-md); }

/* ---------- Navigation ---------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  transition: background var(--transition-base), backdrop-filter var(--transition-base);
}
.nav.scrolled {
  background: rgba(10,9,7,0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
}
.nav__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 clamp(1.6rem, 5vw, 5rem);
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav__logo {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}
/* ロゴ画像（白ベース・フィルター不要） */
.nav__logo-img {
  height: 52px;
  width: auto;
  max-width: 220px;
  object-fit: contain;
  display: block;
  flex-shrink: 0;
  filter: none;
}
@media (max-width: 768px) {
  .nav__logo-img {
    height: 44px;
    max-width: 180px;
  }
}
@media (max-width: 480px) {
  .nav__logo-img {
    height: 38px;
    max-width: 150px;
  }
}
/* 旧SVGマーク（残存ページのフォールバック用に残す） */
.nav__logo-mark {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
}
.nav__logo-text {
  font-family: var(--font-en);
  font-weight: 400;
  font-size: 1.15rem;
  letter-spacing: 0.14em;
  color: var(--color-cream);
  line-height: 1.1;
}
.nav__logo-text span { display: block; font-size: 0.6rem; letter-spacing: 0.3em; color: var(--color-gold); text-transform: uppercase; }
.nav__links {
  display: flex;
  align-items: center;
  gap: 2.4rem;
}
.nav__links a {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-cream-dim);
  transition: color var(--transition-fast);
  position: relative;
}
.nav__links a::after {
  content: '';
  position: absolute;
  bottom: -3px; left: 0;
  width: 0; height: 1px;
  background: var(--color-gold);
  transition: width var(--transition-base);
}
.nav__links a:hover { color: var(--color-gold-light); }
.nav__links a:hover::after { width: 100%; }
.nav__links a.active { color: var(--color-gold); }
.nav__links a.active::after { width: 100%; }

.nav__actions {
  display: flex;
  align-items: center;
  gap: 1.6rem;
}
.nav__icon {
  width: 20px; height: 20px;
  color: var(--color-cream-dim);
  transition: color var(--transition-fast);
}
.nav__icon:hover { color: var(--color-gold-light); }
.nav__cart-btn {
  position: relative;
  display: flex;
  align-items: center;
}
.nav__cart-count {
  position: absolute;
  top: -6px; right: -8px;
  background: var(--color-gold);
  color: var(--color-bg);
  font-size: 0.6rem;
  font-weight: 700;
  width: 16px; height: 16px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
}
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}
.nav__hamburger span {
  display: block;
  width: 24px; height: 1.5px;
  background: var(--color-cream-dim);
  transition: var(--transition-fast);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  padding: 1rem 2.4rem;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  border-radius: 0;
  transition: all var(--transition-base);
  cursor: pointer;
  white-space: nowrap;
}
.btn--primary {
  background: var(--color-gold);
  color: var(--color-bg);
  border: 1px solid var(--color-gold);
}
.btn--primary:hover {
  background: var(--color-gold-light);
  border-color: var(--color-gold-light);
  transform: translateY(-1px);
  box-shadow: 0 8px 32px rgba(184,151,90,0.3);
}
.btn--outline {
  background: transparent;
  color: var(--color-cream);
  border: 1px solid var(--color-border-light);
}
.btn--outline:hover {
  border-color: var(--color-gold);
  color: var(--color-gold);
}
.btn--ghost {
  background: transparent;
  color: var(--color-gold);
  border: none;
  padding: 0;
  font-size: 0.7rem;
}
.btn--ghost .btn__arrow {
  transition: transform var(--transition-fast);
}
.btn--ghost:hover .btn__arrow { transform: translateX(4px); }
.btn--lg { padding: 1.2rem 3.2rem; font-size: 0.78rem; }
.btn--full { width: 100%; justify-content: center; }

/* ---------- Section Headers ---------- */
.section-header {
  margin-bottom: var(--spacing-xl);
}
.section-header--center { text-align: center; }
.section-header__eyebrow {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: var(--spacing-sm);
  display: block;
}
.section-header__title {
  font-family: var(--font-en);
  font-size: clamp(2rem, 4vw, 3.6rem);
  font-weight: 300;
  letter-spacing: 0.04em;
  line-height: 1.1;
  color: var(--color-cream);
  margin-bottom: var(--spacing-md);
}
.section-header__desc {
  font-family: var(--font-jp);
  font-size: 0.92rem;
  line-height: 1.9;
  color: var(--color-text-muted);
  max-width: 560px;
}
.section-header--center .section-header__desc { margin: 0 auto; }

/* ---------- Product Cards ---------- */
.product-card {
  position: relative;
  cursor: pointer;
  group: true;
}
.product-card__image-wrap {
  position: relative;
  overflow: hidden;
  background: var(--color-surface);
  aspect-ratio: 3/4;
}
.product-card__image {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}
.product-card:hover .product-card__image { transform: scale(1.04); }
.product-card__badge {
  position: absolute;
  top: var(--spacing-md);
  left: var(--spacing-md);
  background: var(--color-gold);
  color: var(--color-bg);
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 4px 10px;
}
.product-card__badge--new { background: var(--color-gold); }
.product-card__badge--sale { background: var(--color-orange); color: #fff; }
.product-card__badge--limited {
  background: transparent;
  color: var(--color-gold);
  border: 1px solid var(--color-gold);
}
.product-card__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0);
  display: flex;
  align-items: flex-end;
  padding: var(--spacing-md);
  transition: background var(--transition-base);
}
.product-card:hover .product-card__overlay { background: rgba(0,0,0,0.3); }
.product-card__quick-add {
  opacity: 0;
  transform: translateY(8px);
  transition: all var(--transition-base);
  width: 100%;
}
.product-card:hover .product-card__quick-add {
  opacity: 1;
  transform: translateY(0);
}
.product-card__info {
  padding: 1.2rem 0 0;
}
.product-card__category {
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 0.4rem;
}
.product-card__name {
  font-family: var(--font-en);
  font-size: 1.05rem;
  font-weight: 400;
  letter-spacing: 0.04em;
  color: var(--color-cream);
  margin-bottom: 0.4rem;
  line-height: 1.3;
}
.product-card__material {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  margin-bottom: 0.6rem;
}
.product-card__price {
  font-family: var(--font-en);
  font-size: 1.05rem;
  font-weight: 400;
  color: var(--color-cream);
}
.product-card__price-original {
  font-size: 0.8rem;
  color: var(--color-text-dim);
  text-decoration: line-through;
  margin-right: 0.4rem;
}

/* ---------- Gold Divider ---------- */
.divider {
  width: 48px; height: 1px;
  background: var(--color-gold);
  margin: var(--spacing-md) 0;
}
.divider--center { margin: var(--spacing-md) auto; }
.divider--lg { width: 80px; }

/* ---------- Scrollbar ---------- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--color-bg); }
::-webkit-scrollbar-thumb { background: var(--color-border-light); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--color-gold); }

/* ---------- Marquee ---------- */
.marquee {
  overflow: hidden;
  white-space: nowrap;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: 1rem 0;
  background: var(--color-surface);
}
.marquee__inner {
  display: inline-flex;
  animation: marquee 28s linear infinite;
}
.marquee__item {
  display: inline-flex;
  align-items: center;
  gap: 2.4rem;
  padding: 0 2.4rem;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}
.marquee__dot {
  width: 4px; height: 4px;
  background: var(--color-gold);
  border-radius: 50%;
  flex-shrink: 0;
}
@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ---------- Footer ---------- */
.footer {
  background: var(--color-bg-warm);
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-2xl) 0 var(--spacing-lg);
}
.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}
.footer__brand-logo {
  margin-bottom: var(--spacing-md);
}
.footer__brand-desc {
  font-family: var(--font-jp);
  font-size: 0.82rem;
  line-height: 1.9;
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-lg);
  max-width: 300px;
}
.footer__col-title {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: var(--spacing-md);
}
.footer__links li { margin-bottom: 0.8rem; }
.footer__links a {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}
.footer__links a:hover { color: var(--color-cream); }
.footer__newsletter-form {
  display: flex;
  border: 1px solid var(--color-border-light);
  margin-top: var(--spacing-sm);
}
.footer__newsletter-input {
  flex: 1;
  padding: 0.8rem 1.2rem;
  font-size: 0.82rem;
  color: var(--color-text);
  background: transparent;
}
.footer__newsletter-input::placeholder { color: var(--color-text-dim); }
.footer__newsletter-btn {
  padding: 0.8rem 1.4rem;
  background: var(--color-gold);
  color: var(--color-bg);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  transition: background var(--transition-fast);
}
.footer__newsletter-btn:hover { background: var(--color-gold-light); }
.footer__bottom {
  border-top: 1px solid var(--color-border);
  padding-top: var(--spacing-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}
.footer__copy {
  font-size: 0.72rem;
  color: var(--color-text-dim);
}
.footer__social {
  display: flex;
  gap: 1.2rem;
}
.footer__social a {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-dim);
  transition: color var(--transition-fast);
}
.footer__social a:hover { color: var(--color-gold); }

/* ---------- Page Hero (inner pages) ---------- */
.page-hero {
  padding-top: calc(var(--nav-height) + var(--spacing-2xl));
  padding-bottom: var(--spacing-xl);
  border-bottom: 1px solid var(--color-border);
}
.page-hero__eyebrow { display: block; margin-bottom: var(--spacing-sm); }
.page-hero__title {
  font-family: var(--font-en);
  font-size: clamp(3rem, 6vw, 7rem);
  font-weight: 300;
  letter-spacing: 0.04em;
  line-height: 1;
  color: var(--color-cream);
}
.page-hero__subtitle {
  font-family: var(--font-jp);
  font-size: 1rem;
  color: var(--color-text-muted);
  margin-top: var(--spacing-md);
  max-width: 560px;
}

/* ---------- Breadcrumb ---------- */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-dim);
  padding: 1.6rem 0;
}
.breadcrumb a:hover { color: var(--color-gold); }
.breadcrumb__sep { color: var(--color-text-dim); }

/* ---------- Fade-In Animations ---------- */
.fade-up {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}
.fade-up.delay-1 { transition-delay: 0.12s; }
.fade-up.delay-2 { transition-delay: 0.24s; }
.fade-up.delay-3 { transition-delay: 0.36s; }
.fade-up.delay-4 { transition-delay: 0.48s; }

/* ---------- Horizontal Line with Text ---------- */
.line-text {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  color: var(--color-text-dim);
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}
.line-text::before, .line-text::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--color-border);
}

/* ---------- Tooltip / Tag ---------- */
.tag {
  display: inline-block;
  padding: 3px 10px;
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border: 1px solid var(--color-border-light);
  color: var(--color-text-muted);
}
.tag--gold { border-color: var(--color-gold); color: var(--color-gold); }

/* ---------- Image with caption ---------- */
.img-caption {
  display: block;
  font-size: 0.72rem;
  color: var(--color-text-dim);
  margin-top: 0.8rem;
  letter-spacing: 0.08em;
}

/* ---------- Accordion ---------- */
.accordion__item {
  border-bottom: 1px solid var(--color-border);
}
.accordion__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.6rem 0;
  cursor: pointer;
  transition: color var(--transition-fast);
}
.accordion__header:hover { color: var(--color-gold); }
.accordion__title {
  font-family: var(--font-jp);
  font-size: 0.95rem;
  font-weight: 400;
  color: var(--color-cream);
}
.accordion__icon {
  width: 20px; height: 20px;
  position: relative;
  flex-shrink: 0;
}
.accordion__icon::before, .accordion__icon::after {
  content: '';
  position: absolute;
  background: var(--color-gold);
  top: 50%; left: 50%;
  transform: translate(-50%,-50%);
  transition: transform var(--transition-base), opacity var(--transition-base);
}
.accordion__icon::before { width: 12px; height: 1px; }
.accordion__icon::after  { width: 1px; height: 12px; }
.accordion__item.open .accordion__icon::after { opacity: 0; transform: translate(-50%,-50%) rotate(90deg); }
.accordion__body {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow);
}
.accordion__body.open { max-height: 400px; }
.accordion__content {
  padding: 0 0 1.6rem;
  font-family: var(--font-jp);
  font-size: 0.88rem;
  line-height: 1.9;
  color: var(--color-text-muted);
}

/* ---------- Form Elements ---------- */
.form-group { margin-bottom: var(--spacing-md); }
.form-label {
  display: block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 0.6rem;
}
.form-control {
  width: 100%;
  padding: 1rem 1.2rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  font-size: 0.9rem;
  transition: border-color var(--transition-fast);
}
.form-control:focus {
  border-color: var(--color-gold);
  outline: none;
}
.form-control::placeholder { color: var(--color-text-dim); }
textarea.form-control { resize: vertical; min-height: 120px; }

/* ---------- Mobile Menu ---------- */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 999;
  background: var(--color-bg-warm);
  transform: translateX(100%);
  transition: transform var(--transition-slow);
  display: flex;
  flex-direction: column;
  padding: calc(var(--nav-height) + 2rem) 2rem 2rem;
}
.mobile-menu.open { transform: translateX(0); }
.mobile-menu__links {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  flex: 1;
}
.mobile-menu__link {
  font-family: var(--font-en);
  font-size: 2rem;
  font-weight: 300;
  letter-spacing: 0.06em;
  color: var(--color-cream);
  padding: 0.8rem 0;
  border-bottom: 1px solid var(--color-border);
  transition: color var(--transition-fast);
}
.mobile-menu__link:hover { color: var(--color-gold); }
.mobile-menu__footer {
  font-size: 0.72rem;
  color: var(--color-text-dim);
  letter-spacing: 0.14em;
}

/* ---------- Filter Tabs (shared — also in products.css for products page) ---------- */
.filter-tabs {
  display: flex;
  gap: 0.4rem;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.filter-tabs::-webkit-scrollbar { display: none; }
.filter-tab {
  padding: 0.5rem 1.2rem;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  border: 1px solid transparent;
  white-space: nowrap;
  transition: all var(--transition-fast);
  cursor: pointer;
  background: none;
}
.filter-tab:hover { color: var(--color-cream); border-color: var(--color-border-light); }
.filter-tab.active {
  color: var(--color-gold);
  border-color: var(--color-gold);
  background: rgba(184,151,90,0.08);
}

/* ---------- Newsletter (shared) ---------- */
.newsletter-section {
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: var(--spacing-xl) 0;
}
.newsletter-inner { text-align: center; max-width: 560px; margin: 0 auto; }
.newsletter-title {
  font-family: var(--font-en);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 300;
  letter-spacing: 0.04em;
  color: var(--color-cream);
  margin: var(--spacing-sm) 0;
}
.newsletter-form {
  display: flex;
  gap: 0;
  max-width: 440px;
  margin: 0 auto;
}
.newsletter-form__input {
  flex: 1;
  padding: 1rem 1.4rem;
  background: var(--color-bg);
  border: 1px solid var(--color-border-light);
  border-right: none;
  color: var(--color-text);
  font-size: 0.9rem;
}
.newsletter-form__input::placeholder { color: var(--color-text-dim); }
.newsletter-form__input:focus { border-color: var(--color-gold); outline: none; }

/* ---------- Utility ---------- */
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); border: 0;
}
.text-gold { color: var(--color-gold); }
.text-cream { color: var(--color-cream); }
.text-muted { color: var(--color-text-muted); }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }

/* ---------- Responsive ---------- */
@media (max-width: 1200px) {
  .footer__grid { grid-template-columns: 1fr 1fr; gap: var(--spacing-lg); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 900px) {
  .nav__links { display: none; }
  .nav__hamburger { display: flex; }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-2 { grid-template-columns: 1fr; }
  :root { --spacing-xl: 4.8rem; --spacing-2xl: 6.4rem; --spacing-3xl: 8rem; }
}
@media (max-width: 600px) {
  .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; }
  .footer__bottom { flex-direction: column; align-items: flex-start; }
  :root { --spacing-xl: 3.2rem; --spacing-2xl: 4.8rem; }
}