/* ============================================================
   MODA CARAMELLO — layout.css
   Grid systems, responsive breakpoints, page layout
   ============================================================ */

/* ---------- Header ---------- */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  border-bottom: 1px solid var(--line);
  height: var(--header-h);
  display: flex;
  align-items: center;
  backdrop-filter: blur(10px);
  background: rgba(255, 255, 255, 0.95);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(1160px, 92%);
  margin-inline: auto;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: .6rem;
}

.header__logo img {
  height: 44px;
  width: auto;
}

.header__logo-text {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: .02em;
}

/* ---------- Navigation ---------- */
.nav { display: flex; align-items: center; gap: 1.5rem; }

.nav__links {
  display: flex;
  gap: 1.5rem;
}

.nav__link {
  font-weight: 500;
  font-size: .95rem;
  color: var(--ink-soft);
  transition: color .25s var(--ease);
  position: relative;
}

.nav__link:hover,
.nav__link--active {
  color: var(--navy);
}

.nav__link::after {
  content: "";
  position: absolute;
  bottom: -4px;
  inset-inline-start: 0;
  width: 0;
  height: 2px;
  background: var(--gold);
  transition: width .25s var(--ease);
}

.nav__link:hover::after,
.nav__link--active::after {
  width: 100%;
}

/* ---------- Actions (lang + cart) ---------- */
.nav__actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.lang-switch {
  display: flex;
  align-items: center;
  gap: 0;
  background: var(--off-white);
  border-radius: 999px;
  padding: 3px;
  border: 1px solid var(--line);
}

.lang-switch__btn {
  padding: .35rem .7rem;
  border-radius: 999px;
  font-size: .82rem;
  font-weight: 600;
  transition: all .25s var(--ease);
  color: var(--ink-soft);
  cursor: pointer;
}

.lang-switch__btn--active {
  background: var(--navy);
  color: var(--white);
  box-shadow: 0 2px 8px rgba(26, 58, 92, .2);
}

.cart-btn {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  transition: background .25s var(--ease);
  color: var(--navy);
}

.cart-btn:hover { background: var(--off-white); }

.cart-btn svg { width: 22px; height: 22px; }

.cart-btn__count {
  position: absolute;
  top: 0;
  inset-inline-end: -2px;
  background: var(--gold);
  color: var(--white);
  font-size: .7rem;
  font-weight: 700;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transform: scale(0);
  transition: transform .3s var(--ease);
}

.cart-btn__count.show { transform: scale(1); }

/* ---------- Mobile menu toggle ---------- */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  height: 2px;
  background: var(--navy);
  border-radius: 2px;
  transition: all .3s var(--ease);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 85vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy) 50%, var(--navy-light) 100%);
  color: var(--white);
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: .15;
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: 650px;
  padding: 2rem;
}

.hero__eyebrow {
  font-family: var(--font-display);
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--gold-light);
  letter-spacing: .2em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.hero__title {
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 1rem;
}

.hero__subtitle {
  font-size: clamp(1rem, 2vw, 1.2rem);
  opacity: .85;
  margin-bottom: 2rem;
  line-height: 1.6;
}

.hero__actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ---------- Grid systems ---------- */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

/* ---------- Product page layout ---------- */
.product-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

/* ---------- Cart layout ---------- */
.cart-layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 2rem;
  align-items: start;
}

/* ---------- Checkout layout ---------- */
.checkout-layout {
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: 2rem;
  align-items: start;
}

/* ---------- Filter sidebar ---------- */
.catalog-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 2rem;
  align-items: start;
}

.sidebar {
  position: sticky;
  top: calc(var(--header-h) + 1.5rem);
}

/* ---------- Footer ---------- */
.footer {
  background: var(--navy-dark);
  color: var(--white);
  padding-top: clamp(3rem, 6vw, 5rem);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: 2.5rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255,255,255,.1);
}

.footer__brand-desc {
  font-size: .92rem;
  opacity: .7;
  margin-top: .8rem;
  line-height: 1.6;
}

.footer h4 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  margin-bottom: 1rem;
  color: var(--gold-light);
}

.footer__links li { margin-bottom: .5rem; }
.footer__links a {
  font-size: .92rem;
  opacity: .7;
  transition: opacity .25s var(--ease);
}
.footer__links a:hover { opacity: 1; }

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 0;
  font-size: .85rem;
  opacity: .6;
}

.footer__social {
  display: flex;
  gap: 1rem;
}

.footer__social a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,.2);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all .25s var(--ease);
}

.footer__social a:hover {
  background: var(--gold);
  border-color: var(--gold);
}

/* ---------- About / Contact ---------- */
.about-hero {
  background: linear-gradient(135deg, var(--navy-dark), var(--navy));
  color: var(--white);
  padding: calc(var(--header-h) + 3rem) 0 4rem;
  text-align: center;
}

.about-hero h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: .5rem;
}

.about-hero p {
  font-size: 1.1rem;
  opacity: .8;
  max-width: 600px;
  margin-inline: auto;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: repeat(2, 1fr); }
  .catalog-layout { grid-template-columns: 1fr; }
  .sidebar { position: static; }
  .product-layout { grid-template-columns: 1fr; gap: 2rem; }
  .cart-layout { grid-template-columns: 1fr; }
  .checkout-layout { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .nav__links { display: none; }
  .menu-toggle { display: flex; }

  .nav__links--open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: var(--header-h);
    inset-inline-start: 0;
    right: 0;
    width: 100%;
    background: var(--white);
    padding: 1.5rem;
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow-lg);
    gap: 1rem;
    z-index: 99;
  }

  .hero { min-height: 70vh; }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-2 { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; }
  .footer__bottom { flex-direction: column; gap: 1rem; text-align: center; }
}

@media (max-width: 480px) {
  .grid-4, .grid-3 { grid-template-columns: 1fr; }
  .hero__title { font-size: 2rem; }
}