/* 
   Aquarela - Premium Lingerie & Beachwear
   Design System & Style Guide
*/

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:wght@300;400;500;600&family=DM+Sans:wght@300;400;500&display=swap');

:root {
  /* Colors */
  --color-bg: #FAF8F5;
  --color-surface: #FFFFFF;
  --color-border: #E8E0D8;
  --color-text: #1C1917;
  --color-text-muted: #78716C;
  --color-accent: #B5826A;
  --color-accent-hover: #9C6B55;
  --color-tag: #F0EAE3;
  --color-critical: #C0392B;
  --color-success: #4A7C59;

  /* Spacing */
  --space-1: 0.5rem;
  /* 8px */
  --space-2: 1rem;
  /* 16px */
  --space-3: 1.5rem;
  /* 24px */
  --space-4: 2rem;
  /* 32px */
  --space-6: 3rem;
  /* 48px */
  --space-8: 4rem;
  /* 64px */
  --space-12: 6rem;
  /* 96px */
  --space-16: 8rem;
  /* 128px */

  /* Typography */
  --font-heading: 'Cormorant Garamond', serif;
  --font-body: 'DM Sans', sans-serif;

  /* Layout */
  --container-max-width: 1320px;
  --header-height: 120px;
}

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

body {
  font-family: var(--font-body);
  font-weight: 300;
  line-height: 1.75;
  color: var(--color-text);
  background-color: var(--color-bg);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  font-weight: 300;
  line-height: 1.2;
}

h1,
h2 {
  letter-spacing: 0.08em;
  text-transform: none;
  /* First letter upper via HTML or default */
}

h1 {
  font-size: 3.5rem;
}

h2 {
  font-size: 2.5rem;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color 0.3s ease;
}

ul {
  list-style: none;
}

img {
  max-width: 100%;
  display: block;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
}

/* Utilities */
.container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--space-4);
}

.text-uppercase {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.72rem;
  font-weight: 400;
}

.section-padding {
  padding-block: var(--space-12);
}

.section-title {
  border-left: 3px solid var(--color-accent);
  padding-left: var(--space-2);
  margin-bottom: var(--space-6);
}

/* Header */
.header {
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(8px);
  transition: box-shadow 0.2s ease, backdrop-filter 0.2s ease;
}

.header--scrolled {
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
  backdrop-filter: blur(12px);
}

.header__top {
  padding: var(--space-3) 0;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.header__logo img {
  height: 48px;
}

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

.nav__list {
  display: flex;
  justify-content: center;
  gap: var(--space-4);
}

.nav__link {
  font-family: var(--font-body);
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  position: relative;
  padding-bottom: 4px;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: currentColor;
  transition: width 0.25s ease;
}

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

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

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 24px;
  height: 24px;
  cursor: pointer;
  padding: 0;
  position: absolute;
  left: 0;
}

.hamburger span {
  display: block;
  width: 100%;
  height: 1.5px;
  background: var(--color-text);
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.hamburger.open span:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}

.hamburger.open span:nth-child(2) {
  opacity: 0;
}

.hamburger.open span:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

.header__actions {
  position: absolute;
  right: var(--space-4);
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  gap: var(--space-3);
}

/* Icons */
.icon {
  display: inline-block;
  width: 20px;
  height: 20px;
  background-color: currentColor;
  mask-size: contain;
  mask-repeat: no-repeat;
  mask-position: center;
}

/* Hero */
.hero {
  position: relative;
  height: 70vh;
  min-height: 600px;
  display: flex;
  align-items: center;
}

.hero__banner {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__content {
  position: relative;
  z-index: 1;
  background: rgba(250, 248, 245, 0.82);
  padding: var(--space-6);
  max-width: 500px;
  margin-left: var(--space-8);
}

.hero__title {
  margin-bottom: var(--space-2);
}

.hero__subtitle {
  display: block;
  margin-bottom: var(--space-4);
  color: var(--color-text-muted);
}

.btn {
  display: inline-block;
  padding: 0.85rem 2.4rem;
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  border-radius: 2px;
  transition: all 0.3s ease;
  border: 1px solid transparent;
}

.btn--primary {
  background-color: var(--color-accent);
  color: #FFFFFF;
}

.btn--primary:hover {
  background-color: var(--color-accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
}

.btn--primary:active {
  transform: translateY(0) scale(0.98);
  box-shadow: none;
}

.btn--outline {
  border-color: var(--color-border);
  color: var(--color-text);
}

.btn--outline:hover {
  background-color: var(--color-text);
  color: #FFFFFF;
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
}

.btn--outline:active {
  transform: translateY(0) scale(0.98);
  box-shadow: none;
}

/* Product Card */
.product-card {
  position: relative;
  border: 1px solid var(--color-border);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.3s ease;
}

.product-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.10);
}

.product-card__media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 3 / 4;
  background-color: var(--color-tag);
  display: block;
}

.product-card__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: opacity 0.5s ease, transform 0.4s ease;
}

.product-card:hover .product-card__img--front {
  transform: scale(1.04);
}

.product-card__img--back {
  opacity: 0;
}

.product-card__media:hover .product-card__img--front {
  opacity: 0;
}

.product-card__media:hover .product-card__img--back {
  opacity: 1;
}

.product-card__badges {
  position: absolute;
  top: var(--space-2);
  left: var(--space-2);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  z-index: 2;
}

.product-card__info {
  padding: var(--space-2);
  text-align: center;
}

.product-card__category {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-1);
  display: block;
}

.product-card__name {
  font-size: 1.2rem;
  margin-bottom: var(--space-1);
}

.product-card__pricing {
  display: flex;
  justify-content: center;
  gap: var(--space-2);
  align-items: baseline;
  margin-bottom: var(--space-2);
}

.price {
  font-family: var(--font-heading);
  font-weight: 500;
}

.price--current {
  font-size: 1.4rem;
  color: var(--color-text);
}

.price--original {
  font-size: 1rem;
  color: var(--color-text-muted);
  text-decoration: line-through;
}

.product-card__colors {
  display: flex;
  justify-content: center;
  gap: 8px;
}

.color-swatch {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  background-color: var(--swatch-color);
}

/* Badges */
.badge {
  font-family: var(--font-body);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.25rem 0.6rem;
  border-radius: 0;
  white-space: nowrap;
}

.badge--new {
  background: var(--color-text);
  color: #fff;
}

.badge--promo {
  background: var(--color-accent);
  color: #fff;
}

.badge--sold-out {
  background: var(--color-tag);
  color: var(--color-text-muted);
}

.badge--critical {
  background: var(--color-critical);
  color: #fff;
}

/* Product Page Styles */
.product-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
  align-items: start;
}

.product-gallery {
  display: flex;
  gap: var(--space-2);
}

.gallery__thumbs {
  flex: 0 0 80px;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.gallery__thumb {
  aspect-ratio: 3 / 4;
  cursor: pointer;
  border: 1px solid var(--color-border);
}

.gallery__main {
  flex: 1;
  position: relative;
}

.gallery__main img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
}

.btn-favorito {
  position: absolute;
  top: var(--space-2);
  right: var(--space-2);
  background: rgba(255, 255, 255, 0.85);
  border-radius: 50%;
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 3;
  transition: all 0.3s ease;
  color: var(--color-text-muted);
  box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

.btn-favorito:hover {
  background: #FFF;
  color: var(--color-text);
  transform: scale(1.05);
}

.btn-favorito.ativo {
  color: var(--color-accent);
}

.btn-favorito.ativo i {
  fill: var(--color-accent);
}


.product-info__category {
  color: var(--color-text-muted);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.product-info__title {
  font-size: 3rem;
  margin-bottom: var(--space-2);
}

.product-info__price {
  margin-bottom: var(--space-4);
}

.product-info__description {
  margin-bottom: var(--space-6);
  color: var(--color-text-muted);
}

.selector-label {
  display: block;
  margin-bottom: var(--space-2);
}

.size-selector {
  display: flex;
  gap: 10px;
  margin-bottom: var(--space-6);
}

.btn-size {
  width: 40px;
  height: 40px;
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  position: relative;
  overflow: hidden;
}

.btn-size.selected {
  background: var(--color-text);
  color: #fff;
  border-color: var(--color-text);
}

.btn-size.out-of-stock {
  color: var(--color-text-muted);
}

.btn-size.out-of-stock::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  width: 100%;
  height: 1px;
  background: var(--color-border);
  transform: rotate(-45deg);
}

.color-selector {
  display: flex;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
}

.swatch-large {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  cursor: pointer;
}

.swatch-large.selected {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* Cart Page */
.cart-layout {
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: var(--space-8);
}

.cart-items {
  border-top: 1px solid var(--color-border);
}

.cart-item {
  display: flex;
  gap: var(--space-4);
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--color-border);
}

.cart-item__media {
  width: 120px;
  aspect-ratio: 3 / 4;
}

.cart-item__info {
  flex: 1;
}

.cart-summary {
  position: sticky;
  top: calc(var(--header-height) + var(--space-4));
  border: 1px solid var(--color-border);
  padding: var(--space-6);
  height: fit-content;
}

.whatsapp-btn {
  background-color: #1C1917;
  color: #FFFFFF;
  width: 100%;
  padding: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
  margin-top: var(--space-4);
}

/* Footer */
.footer {
  background-color: #1C1917;
  color: #A8A29E;
  padding: var(--space-12) 0 var(--space-6);
}

.footer__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-8);
}

.footer__title {
  color: #FFFFFF;
  font-family: var(--font-body);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: var(--space-4);
}

.footer__link {
  display: block;
  margin-bottom: var(--space-1);
  color: #A8A29E;
}

.footer__link:hover {
  color: #FFFFFF;
}

.newsletter__form {
  display: flex;
  gap: 0;
}

.newsletter__input {
  flex: 1;
  background: none;
  border: 1px solid #A8A29E;
  border-right: none;
  padding: 0.8rem;
  color: #FFF;
  font-family: inherit;
}

.newsletter__btn {
  border: 1px solid #A8A29E;
  padding: 0 1.5rem;
  color: #FFF;
  text-transform: uppercase;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
}

.footer__bottom {
  margin-top: var(--space-12);
  padding-top: var(--space-4);
  border-top: 1px solid rgba(168, 162, 158, 0.1);
  text-align: center;
  font-size: 0.7rem;
}

/* Collections Carousel */
.carousel {
  position: relative;
  overflow: hidden;
  border-radius: 2px;
}

.carousel__track {
  display: flex;
  transition: transform 0.5s ease;
  will-change: transform;
}

.carousel__slide {
  flex: 0 0 100%;
  position: relative;
  aspect-ratio: 21 / 9;
  overflow: hidden;
  display: block;
}

.carousel__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.carousel__slide:hover .carousel__img {
  transform: scale(1.03);
}

.carousel__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(28, 25, 23, 0.65) 0%, rgba(28, 25, 23, 0.15) 70%);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--space-8);
  color: #fff;
}

.carousel__slide-title {
  font-size: 3rem;
  color: #fff;
  margin: var(--space-1) 0 var(--space-2);
}

.carousel__slide-desc {
  max-width: 400px;
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: var(--space-4);
  opacity: 0.9;
}

.carousel__btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  transition: all 0.3s ease;
  z-index: 2;
}

.carousel__btn:hover {
  background: #fff;
  color: var(--color-accent);
}

.carousel__btn--prev {
  left: var(--space-3);
}

.carousel__btn--next {
  right: var(--space-3);
}

.carousel__dots {
  position: absolute;
  bottom: var(--space-3);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 2;
}

.carousel__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 1px solid #fff;
  background: transparent;
  cursor: pointer;
  transition: background 0.3s ease;
}

.carousel__dot--active {
  background: #fff;
}

/* Product Grid — responsive 2/3/4 columns */
.product-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(0.75rem, 2vw, 1.5rem);
}

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

@media (min-width: 1024px) {
  .product-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Responsive */
@media (max-width: 992px) {
  .product-detail {
    grid-template-columns: 1fr;
  }

  .cart-layout {
    grid-template-columns: 1fr;
  }

  .footer__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .catalog-layout {
    grid-template-columns: 1fr !important;
  }

  .filter-sidebar {
    display: none;
  }

  .filter-sidebar.open {
    display: block;
    position: fixed;
    top: 0;
    left: 0;
    width: 85%;
    max-width: 320px;
    height: 100vh;
    background: var(--color-surface);
    z-index: 1060;
    padding: var(--space-4);
    overflow-y: auto;
    box-shadow: 4px 0 15px rgba(0, 0, 0, 0.1);
  }

  .filter-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: 1055;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease;
  }

  .filter-backdrop.show {
    opacity: 1;
    visibility: visible;
  }
}

@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }

  .nav__list {
    display: none;
    flex-direction: column;
    gap: 0;
    padding: var(--space-2) 0;
  }

  .nav__list.open {
    display: flex;
  }

  .nav__list li {
    border-bottom: 1px solid var(--color-border);
  }

  .nav__list .nav__link {
    display: block;
    padding: var(--space-2) 0;
  }

  h1 {
    font-size: 2.2rem;
  }

  h2 {
    font-size: 1.8rem;
  }

  .hero {
    min-height: 400px;
  }

  .hero__content {
    margin-left: var(--space-4);
    margin-right: var(--space-4);
    padding: var(--space-4);
  }

  .carousel__slide {
    aspect-ratio: 4 / 5;
  }

  .carousel__overlay {
    padding: var(--space-4);
    background: linear-gradient(to top, rgba(28, 25, 23, 0.7) 0%, rgba(28, 25, 23, 0.1) 60%);
    justify-content: flex-end;
  }

  .carousel__slide-title {
    font-size: 2rem;
  }

  .carousel__slide-desc {
    font-size: 0.8rem;
  }

  .carousel__btn {
    width: 36px;
    height: 36px;
  }

  .carousel__btn--prev {
    left: var(--space-1);
  }

  .carousel__btn--next {
    right: var(--space-1);
  }

  .product-gallery {
    flex-direction: column;
  }

  .gallery__thumbs {
    flex-direction: row;
    overflow-x: auto;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
  }

  .gallery__thumbs::-webkit-scrollbar {
    display: none;
  }

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

@media (max-width: 480px) {
  .hero {
    min-height: 350px;
    height: 60vh;
  }

  .hero__content {
    margin-left: var(--space-2);
    margin-right: var(--space-2);
    padding: var(--space-3);
    max-width: 100%;
  }
}

/* Validation Effects */
@keyframes shake {

  0%,
  100% {
    transform: translateX(0);
  }

  20%,
  60% {
    transform: translateX(-5px);
  }

  40%,
  80% {
    transform: translateX(5px);
  }
}

.has-error {
  animation: shake 0.4s ease-in-out;
  border: 1px solid var(--color-critical) !important;
  border-radius: 4px;
  padding: 4px;
  background-color: rgba(192, 57, 43, 0.05);
}

/* Cart Drawer */
.cart-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  z-index: 1040;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease-in-out;
}

.cart-overlay.active {
  opacity: 1;
  visibility: visible;
}

.cart-drawer {
  position: fixed;
  top: 0;
  right: 0;
  height: 100vh;
  width: 100%;
  max-width: 400px;
  background: var(--color-surface);
  z-index: 1050;
  transform: translateX(100%);
  transition: transform 0.3s ease-in-out;
  display: flex;
  flex-direction: column;
  box-shadow: -4px 0 15px rgba(0, 0, 0, 0.05);
}

.cart-drawer.open {
  transform: translateX(0);
}

.cart-drawer__header {
  padding: var(--space-4);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.cart-drawer__items {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.cart-drawer__footer {
  padding: var(--space-4);
  border-top: 1px solid var(--color-border);
  background: var(--color-bg);
}

/* Accessible focus styles */
:focus-visible {
  outline: 2px solid currentColor;
  outline-offset: 2px;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 2px solid currentColor;
  outline-offset: 2px;
}

/* Input focus transition */
input:focus,
select:focus,
textarea:focus {
  transition: outline-offset 0.15s ease;
}

.newsletter__input:focus {
  outline: 1px solid currentColor;
  outline-offset: -1px;
}

/* Skip to content link */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  padding: var(--space-1) var(--space-2);
  background: var(--color-text);
  color: var(--color-bg);
  z-index: 9999;
  font-size: 0.8rem;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: var(--space-1);
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}