/* ============================================================
   ON CLOUD STORE — STYLESHEET
   ============================================================ */

:root {
  --black: #0d0d0d;
  --white: #ffffff;
  --blue: #0055ff;
  --blue-dark: #0040cc;
  --blue-light: #e8efff;
  --gray-50: #f9f9f9;
  --gray-100: #f2f2f2;
  --gray-200: #e4e4e4;
  --gray-400: #aaaaaa;
  --gray-600: #666666;
  --gray-800: #333333;
  --green: #00c471;
  --red: #ff3131;
  --pix: #32bcad;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 4px 24px rgba(0,0,0,.08);
  --shadow-lg: 0 12px 48px rgba(0,0,0,.14);
  --transition: .2s cubic-bezier(.4,0,.2,1);
}

/* ---- RESET ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: var(--font); color: var(--black); background: var(--white); line-height: 1.6; overflow-x: hidden; }
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { font-family: var(--font); cursor: pointer; border: none; background: none; }
input, select, textarea { font-family: var(--font); }

/* ---- UTILS ---- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.hidden { display: none !important; }
.mt-8 { margin-top: 8px; }

/* ============================================================
   BUTTONS
   ============================================================ */
.btn-primary {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px;
  background: var(--black); color: var(--white);
  font-size: .9rem; font-weight: 600; letter-spacing: .02em;
  padding: 14px 28px; border-radius: var(--radius-sm);
  transition: var(--transition);
  border: 2px solid var(--black);
}
.btn-primary:hover { background: #222; border-color: #222; transform: translateY(-1px); box-shadow: 0 6px 20px rgba(0,0,0,.2); }
.btn-primary:active { transform: translateY(0); }

.btn-ghost {
  display: inline-flex; align-items: center;
  color: var(--black); font-size: .9rem; font-weight: 500;
  padding: 14px 20px; border-radius: var(--radius-sm);
  border: 2px solid var(--gray-200);
  transition: var(--transition);
}
.btn-ghost:hover { border-color: var(--black); }

.btn-outline {
  display: inline-flex; align-items: center; justify-content: center;
  background: transparent; color: var(--gray-800);
  font-size: .9rem; font-weight: 600;
  padding: 13px 24px; border-radius: var(--radius-sm);
  border: 2px solid var(--gray-200);
  transition: var(--transition);
}
.btn-outline:hover { border-color: var(--gray-800); }

.btn-full { width: 100%; }
.btn-sm { font-size: .8rem; padding: 10px 20px; }

.btn-close {
  width: 36px; height: 36px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem; color: var(--gray-600);
  background: var(--gray-100);
  transition: var(--transition);
}
.btn-close:hover { background: var(--gray-200); color: var(--black); }

/* ============================================================
   HEADER
   ============================================================ */
.header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-200);
  transition: box-shadow var(--transition);
}
.header.scrolled { box-shadow: 0 4px 20px rgba(0,0,0,.08); }

.nav {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px; gap: 24px;
}

.logo {
  display: flex; align-items: center; gap: 8px;
  font-weight: 800; font-size: 1.15rem; letter-spacing: -.02em;
}
.logo-icon {
  background: var(--black); color: var(--white);
  width: 36px; height: 36px; border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: .85rem; font-weight: 900; letter-spacing: -.04em;
}

.nav-menu {
  display: flex; align-items: center; gap: 32px;
}
.nav-menu a {
  font-size: .875rem; font-weight: 500; color: var(--gray-600);
  transition: color var(--transition);
}
.nav-menu a:hover { color: var(--black); }

/* ---- Nav actions wrapper ---- */
.nav-actions {
  display: flex; align-items: center; gap: 10px;
}

/* ---- Member button (not logged) ---- */
.btn-member {
  display: inline-flex; align-items: center; gap: 6px;
  height: 40px; padding: 0 16px;
  border: 2px solid var(--gray-200); border-radius: var(--radius-sm);
  font-size: .82rem; font-weight: 600; color: var(--gray-800);
  transition: var(--transition);
  white-space: nowrap;
}
.btn-member:hover { border-color: var(--black); color: var(--black); }

/* ---- Member info (logged) ---- */
.member-info { position: relative; }

.btn-member-logged {
  display: flex; align-items: center; gap: 8px;
  height: 40px; padding: 0 12px 0 6px;
  border: 2px solid var(--gray-200); border-radius: var(--radius-sm);
  font-size: .82rem; font-weight: 600; color: var(--gray-800);
  transition: var(--transition);
}
.btn-member-logged:hover { border-color: var(--black); }

.member-avatar {
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--black); color: var(--white);
  font-size: .75rem; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}

/* ---- Member dropdown ---- */
.member-dropdown {
  position: absolute; top: calc(100% + 8px); right: 0;
  background: var(--white);
  border: 1px solid var(--gray-200); border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  min-width: 200px; padding: 8px;
  opacity: 0; pointer-events: none; transform: translateY(-6px);
  transition: opacity var(--transition), transform var(--transition);
  z-index: 200;
}
.member-dropdown.open { opacity: 1; pointer-events: all; transform: translateY(0); }

.member-dropdown-header {
  padding: 10px 12px 12px;
  border-bottom: 1px solid var(--gray-100);
  margin-bottom: 6px;
}
.member-dropdown-header strong { display: block; font-size: .88rem; }
.member-dropdown-header span { font-size: .78rem; color: var(--gray-600); }

.member-dropdown-item {
  display: flex; align-items: center; gap: 10px;
  width: 100%; padding: 10px 12px;
  font-size: .84rem; font-weight: 500; color: var(--gray-800);
  border-radius: var(--radius-sm);
  transition: background var(--transition);
  text-align: left;
}
.member-dropdown-item:hover { background: var(--gray-50); color: var(--black); }
.member-logout { color: var(--red) !important; }
.member-logout:hover { background: #fff0f0 !important; }

/* ---- Auth Modal ---- */
.auth-modal {
  background: var(--white);
  border-radius: 24px;
  width: 100%; max-width: 460px;
  padding: 36px 36px 32px;
  position: relative;
  margin: auto;
  transform: translateY(20px) scale(.98);
  transition: transform var(--transition);
}
.modal-overlay.show .auth-modal { transform: translateY(0) scale(1); }

.auth-close {
  position: absolute; top: 16px; right: 16px;
}

.auth-tabs {
  display: flex; gap: 4px;
  background: var(--gray-100); border-radius: 10px; padding: 4px;
  margin-bottom: 28px;
}
.auth-tab {
  flex: 1; padding: 9px;
  border-radius: 8px;
  font-size: .85rem; font-weight: 600; color: var(--gray-600);
  transition: var(--transition);
}
.auth-tab.active {
  background: var(--white); color: var(--black);
  box-shadow: 0 2px 8px rgba(0,0,0,.08);
}

.auth-header { text-align: center; margin-bottom: 24px; }

.auth-icon {
  width: 60px; height: 60px; border-radius: 16px;
  background: var(--gray-100);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 14px;
}

.auth-header h2 { font-size: 1.25rem; font-weight: 800; margin-bottom: 4px; }
.auth-header p { font-size: .875rem; color: var(--gray-600); }

.auth-panel { }
.auth-panel.hidden { display: none; }

.field-row-2 {
  display: grid; grid-template-columns: 1fr 1fr; gap: 12px;
}

.pass-wrap { position: relative; }
.pass-wrap input { padding-right: 44px; }
.pass-toggle {
  position: absolute; right: 12px; top: 50%; transform: translateY(-50%);
  color: var(--gray-400); transition: color var(--transition);
}
.pass-toggle:hover { color: var(--black); }

.check-label {
  display: flex; align-items: flex-start; gap: 10px;
  font-size: .82rem; color: var(--gray-600);
  margin-bottom: 6px; cursor: pointer;
}
.check-label input { margin-top: 2px; accent-color: var(--black); flex-shrink: 0; }
.link-blue { color: var(--blue); }
.link-blue:hover { text-decoration: underline; }

.auth-switch {
  text-align: center; font-size: .84rem; color: var(--gray-600);
  margin-top: 18px;
}
.link-btn {
  color: var(--black); font-weight: 600; font-size: inherit;
  text-decoration: underline; text-underline-offset: 2px;
}
.link-btn:hover { opacity: .7; }

.btn-cart {
  position: relative;
  width: 44px; height: 44px; border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  background: var(--gray-100);
  transition: var(--transition);
}
.btn-cart:hover { background: var(--gray-200); }

.cart-badge {
  position: absolute; top: 4px; right: 4px;
  background: var(--blue); color: var(--white);
  font-size: .65rem; font-weight: 700;
  min-width: 18px; height: 18px; border-radius: 999px;
  display: flex; align-items: center; justify-content: center;
  padding: 0 4px;
  transform: scale(0); transition: transform var(--transition);
}
.cart-badge.show { transform: scale(1); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  background: var(--gray-50);
  overflow: hidden;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 48px;
  min-height: calc(100vh - 64px);
  padding-top: 60px;
  padding-bottom: 48px;
}

.hero-tag {
  display: inline-block;
  background: var(--blue-light); color: var(--blue);
  font-size: .78rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
  padding: 6px 14px; border-radius: 999px;
  margin-bottom: 20px;
}

.hero h1 {
  font-size: clamp(2.4rem, 5vw, 4rem);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -.03em;
  margin-bottom: 20px;
}
.hero h1 em {
  font-style: normal;
  background: linear-gradient(135deg, var(--blue) 0%, #7b3ff2 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.05rem; color: var(--gray-600); max-width: 440px;
  margin-bottom: 32px; line-height: 1.7;
}

.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 36px; }

.hero-trust {
  display: flex; flex-wrap: wrap; gap: 16px 24px;
}
.trust-item {
  display: flex; align-items: center; gap: 6px;
  font-size: .8rem; color: var(--gray-600); font-weight: 500;
}
.trust-icon { color: var(--green); font-size: .9rem; }

.hero-img { position: relative; }
.hero-img img {
  width: 100%; border-radius: 24px;
  box-shadow: var(--shadow-lg);
  object-fit: cover;
  aspect-ratio: 4/3;
}
.hero-img-badge {
  position: absolute; bottom: 24px; left: 24px;
  background: var(--white);
  padding: 12px 16px; border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
  display: block;
  transition: var(--transition);
  cursor: pointer;
}
.hero-img-badge:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); }
.hero-img-badge strong { display: block; font-size: .85rem; font-weight: 700; color: var(--black); }
.hero-img-badge span { font-size: .75rem; color: var(--blue); font-weight: 500; }

/* Stats bar */
.stats-bar {
  background: var(--black);
  padding: 20px 0;
}
.stats-inner {
  display: flex; align-items: center; justify-content: center;
  gap: 32px; flex-wrap: wrap;
}
.stat {
  display: flex; flex-direction: column; align-items: center;
  color: var(--white);
}
.stat strong { font-size: 1.4rem; font-weight: 800; letter-spacing: -.02em; }
.stat span { font-size: .75rem; color: rgba(255,255,255,.6); margin-top: 2px; }
.stat-sep { width: 1px; height: 40px; background: rgba(255,255,255,.2); }

/* ============================================================
   SECTION COMMONS
   ============================================================ */
.section-header { text-align: center; margin-bottom: 56px; }
.section-label {
  display: inline-block;
  font-size: .75rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 12px;
}
.section-header h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 800; letter-spacing: -.03em;
  margin-bottom: 12px;
}
.section-header p { color: var(--gray-600); font-size: 1.05rem; }

/* ============================================================
   TECHNOLOGY
   ============================================================ */
.tech-section {
  padding: 100px 0;
  background: var(--white);
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.tech-card {
  padding: 40px 32px;
  border: 1px solid var(--gray-200);
  border-radius: 20px;
  position: relative;
  transition: var(--transition);
}
.tech-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }

.tech-card--featured {
  background: var(--black); color: var(--white);
  border-color: var(--black);
}
.tech-card--featured p { color: rgba(255,255,255,.7); }

.tech-badge-exclusive {
  position: absolute; top: 20px; right: 20px;
  background: var(--blue); color: var(--white);
  font-size: .7rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase;
  padding: 4px 10px; border-radius: 999px;
}

.tech-icon-wrap {
  width: 64px; height: 64px;
  background: var(--gray-50);
  border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 24px;
}
.tech-card--featured .tech-icon-wrap { background: rgba(255,255,255,.1); }

.tech-card h3 {
  font-size: 1.25rem; font-weight: 700; margin-bottom: 12px;
  letter-spacing: -.02em;
}
.tech-card p { font-size: .9rem; color: var(--gray-600); line-height: 1.7; }

/* ============================================================
   PRODUCTS
   ============================================================ */
.products-section {
  padding: 100px 0;
  background: var(--gray-50);
}

.filter-row {
  display: flex; gap: 8px; justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.filter-btn {
  padding: 9px 20px; border-radius: 999px;
  font-size: .85rem; font-weight: 600;
  border: 2px solid var(--gray-200);
  color: var(--gray-600);
  background: var(--white);
  transition: var(--transition);
}
.filter-btn:hover { border-color: var(--gray-800); color: var(--gray-800); }
.filter-btn.active { background: var(--black); color: var(--white); border-color: var(--black); }

/* ---- Carousel wrapper ---- */
.carousel-wrap {
  position: relative;
  display: flex; align-items: center; gap: 12px;
}

.carousel-viewport {
  overflow: hidden;
  width: 100%;
  cursor: grab;
}
.carousel-viewport.dragging { cursor: grabbing; }

.products-grid {
  display: flex;
  gap: 24px;
  transition: transform .38s cubic-bezier(.4,0,.2,1);
  will-change: transform;
  align-items: stretch;
}

/* Each card fixed width inside carousel */
.product-card {
  flex: 0 0 calc((100% - 48px) / 3);
  min-width: 0;
}

/* Carousel arrows */
.carousel-arrow {
  flex-shrink: 0;
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--white); border: 2px solid var(--gray-200);
  display: flex; align-items: center; justify-content: center;
  transition: var(--transition); z-index: 2;
  box-shadow: var(--shadow);
}
.carousel-arrow:hover { background: var(--black); color: var(--white); border-color: var(--black); }
.carousel-arrow:disabled { opacity: .3; pointer-events: none; }

/* Carousel dots */
.carousel-dots {
  display: flex; justify-content: center; gap: 7px;
  margin-top: 28px;
}
.carousel-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--gray-200); border: none;
  transition: background .2s, transform .2s;
  cursor: pointer;
}
.carousel-dot.active { background: var(--black); transform: scale(1.25); }

/* Product Card */
.product-card {
  background: var(--white);
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--gray-200);
  transition: var(--transition);
  display: flex; flex-direction: column;
}
.product-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.product-card.filtered-out { display: none; }

.product-img-wrap {
  position: relative; overflow: hidden;
  aspect-ratio: 1;
  background: var(--gray-100);
}
.product-img-wrap img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .4s ease;
}
.product-card:hover .product-img-wrap img { transform: scale(1.05); }

.product-badges {
  position: absolute; top: 12px; left: 12px;
  display: flex; flex-direction: column; gap: 6px;
}
.badge {
  font-size: .7rem; font-weight: 700; letter-spacing: .05em; text-transform: uppercase;
  padding: 4px 10px; border-radius: 999px;
}
.badge-hot { background: var(--black); color: var(--white); }
.badge-new { background: var(--blue); color: var(--white); }
.badge-sale { background: var(--red); color: var(--white); }
.badge-discount { background: var(--green); color: var(--white); }

.product-info { padding: 20px; flex: 1; display: flex; flex-direction: column; }

.product-rating {
  font-size: .78rem; color: var(--gray-600);
  margin-bottom: 8px;
}
.product-rating .stars { color: #f59e0b; margin-right: 4px; }

.product-name {
  font-size: 1.1rem; font-weight: 700; letter-spacing: -.02em;
  margin-bottom: 4px;
}
.product-tagline {
  font-size: .82rem; color: var(--gray-600);
  margin-bottom: 12px;
}

.product-features {
  display: flex; gap: 6px; flex-wrap: wrap;
  margin-bottom: 16px;
}
.product-features span {
  font-size: .72rem; font-weight: 600; color: var(--gray-600);
  background: var(--gray-100);
  padding: 3px 9px; border-radius: 999px;
}

.product-price {
  display: flex; align-items: baseline; gap: 8px;
  margin-bottom: 4px;
}
.price-old {
  font-size: .82rem; color: var(--gray-400);
  text-decoration: line-through;
}
.price-main {
  font-size: 1.4rem; font-weight: 800; letter-spacing: -.03em;
}
.price-pix {
  font-size: .78rem; color: var(--pix); font-weight: 600;
  margin-bottom: 3px;
}
.price-inst {
  font-size: .78rem; color: var(--gray-600);
  margin-bottom: 16px;
}

.btn-buy {
  margin-top: auto;
  width: 100%;
  background: var(--black); color: var(--white);
  font-size: .875rem; font-weight: 700;
  padding: 13px; border-radius: var(--radius-sm);
  border: 2px solid var(--black);
  transition: var(--transition);
}
.btn-buy:hover { background: #222; }

/* ============================================================
   TESTIMONIALS
   ============================================================ */
.testimonials-section { padding: 100px 0; background: var(--white); }

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.testimonial-card {
  padding: 32px;
  border: 1px solid var(--gray-200);
  border-radius: 20px;
  transition: var(--transition);
}
.testimonial-card:hover { box-shadow: var(--shadow); }

.stars { font-size: 1rem; color: #f59e0b; margin-bottom: 14px; }

.testimonial-card p {
  font-size: .92rem; color: var(--gray-800); line-height: 1.75;
  font-style: italic; margin-bottom: 24px;
}

.testimonial-author {
  display: flex; align-items: center; gap: 12px;
}
.author-avatar {
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--black); color: var(--white);
  display: flex; align-items: center; justify-content: center;
  font-size: .8rem; font-weight: 700;
  flex-shrink: 0;
}
.testimonial-author strong { display: block; font-size: .88rem; font-weight: 700; }
.testimonial-author span { font-size: .78rem; color: var(--gray-600); }

/* ============================================================
   SIZE GUIDE
   ============================================================ */
.size-guide-section { padding: 100px 0; background: var(--gray-50); }

.size-guide-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}

.size-guide-text .section-label { display: block; margin-bottom: 12px; }
.size-guide-text h2 {
  font-size: 2rem; font-weight: 800; letter-spacing: -.03em;
  margin-bottom: 12px;
}
.size-guide-text > p { color: var(--gray-600); font-size: .95rem; margin-bottom: 28px; line-height: 1.7; }

.size-table {
  width: 100%; border-collapse: collapse;
  font-size: .88rem;
}
.size-table th {
  text-align: left; padding: 12px 16px;
  font-size: .75rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase;
  color: var(--gray-600);
  border-bottom: 2px solid var(--gray-200);
}
.size-table td {
  padding: 11px 16px;
  border-bottom: 1px solid var(--gray-100);
  font-weight: 500;
}
.size-table tr:hover td { background: var(--white); }

.size-guide-img img {
  border-radius: 24px;
  width: 100%; object-fit: cover;
  aspect-ratio: 4/5;
  box-shadow: var(--shadow-lg);
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer { background: var(--black); color: var(--white); padding: 64px 0 32px; }

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-logo {
  font-size: 1.5rem; font-weight: 900; letter-spacing: -.04em;
  margin-bottom: 12px;
}
.footer-brand p { font-size: .85rem; color: rgba(255,255,255,.5); line-height: 1.7; margin-bottom: 20px; }

.footer-social { display: flex; gap: 10px; }
.footer-social a {
  width: 36px; height: 36px; border-radius: 8px;
  background: rgba(255,255,255,.1);
  display: flex; align-items: center; justify-content: center;
  font-size: .72rem; font-weight: 700;
  transition: background var(--transition);
}
.footer-social a:hover { background: rgba(255,255,255,.2); }

.footer-col h4 {
  font-size: .78rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
  color: rgba(255,255,255,.4);
  margin-bottom: 16px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col a {
  font-size: .88rem; color: rgba(255,255,255,.7);
  transition: color var(--transition);
}
.footer-col a:hover { color: var(--white); }

.footer-col p { font-size: .85rem; color: rgba(255,255,255,.7); margin-bottom: 8px; }

.payment-badges {
  display: flex; gap: 6px; flex-wrap: wrap;
  margin-top: 16px;
}
.payment-badges span {
  background: rgba(255,255,255,.1); color: rgba(255,255,255,.8);
  font-size: .7rem; font-weight: 700;
  padding: 4px 9px; border-radius: 6px;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding-top: 24px;
  text-align: center;
}
.footer-bottom p { font-size: .78rem; color: rgba(255,255,255,.35); }

/* ============================================================
   TOAST
   ============================================================ */
.toast {
  position: fixed; bottom: 24px; left: 50%;
  transform: translateX(-50%) translateY(24px);
  background: var(--black); color: var(--white);
  font-size: .88rem; font-weight: 600;
  padding: 14px 24px; border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  z-index: 9999;
  opacity: 0;
  transition: all .3s ease;
  white-space: nowrap;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ============================================================
   OVERLAY
   ============================================================ */
.overlay {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(0,0,0,.5);
  opacity: 0; pointer-events: none;
  transition: opacity var(--transition);
}
.overlay.show { opacity: 1; pointer-events: all; }

/* ============================================================
   CART SIDEBAR
   ============================================================ */
.cart-sidebar {
  position: fixed; top: 0; right: 0; bottom: 0;
  width: min(420px, 100vw);
  background: var(--white);
  z-index: 300;
  display: flex; flex-direction: column;
  transform: translateX(100%);
  transition: transform .35s cubic-bezier(.4,0,.2,1);
  box-shadow: -8px 0 40px rgba(0,0,0,.15);
}
.cart-sidebar.open { transform: translateX(0); }

.cart-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--gray-200);
  flex-shrink: 0;
}
.cart-head h3 { font-size: 1.1rem; font-weight: 700; }

.cart-body { flex: 1; overflow-y: auto; padding: 16px 24px; }

.cart-empty {
  display: flex; flex-direction: column; align-items: center;
  justify-content: center;
  gap: 12px; height: 100%;
  color: var(--gray-400);
  text-align: center;
}
.cart-empty p { font-size: .9rem; }
.cart-empty .btn-primary { margin-top: 8px; }

/* Cart Item */
.cart-item {
  display: flex; gap: 12px; align-items: flex-start;
  padding: 16px 0;
  border-bottom: 1px solid var(--gray-100);
}
.cart-item-img {
  width: 72px; height: 72px; border-radius: var(--radius-sm);
  object-fit: cover; background: var(--gray-100); flex-shrink: 0;
}
.cart-item-info { flex: 1; min-width: 0; }
.cart-item-name { font-size: .88rem; font-weight: 700; margin-bottom: 3px; }
.cart-item-size { font-size: .78rem; color: var(--gray-600); margin-bottom: 8px; }
.cart-item-bottom { display: flex; align-items: center; justify-content: space-between; }
.cart-item-price { font-size: .9rem; font-weight: 700; }

.cart-qty {
  display: flex; align-items: center; gap: 8px;
}
.cart-qty-btn {
  width: 26px; height: 26px; border-radius: 6px;
  background: var(--gray-100);
  display: flex; align-items: center; justify-content: center;
  font-size: .9rem; font-weight: 700;
  transition: var(--transition);
}
.cart-qty-btn:hover { background: var(--gray-200); }
.cart-qty span { font-size: .88rem; font-weight: 600; min-width: 20px; text-align: center; }

.cart-item-remove {
  font-size: .78rem; color: var(--red); font-weight: 500;
  cursor: pointer; transition: opacity var(--transition);
  margin-top: 6px;
  display: inline-block;
}
.cart-item-remove:hover { opacity: .7; }

/* Cart Footer */
.cart-foot { padding: 16px 24px; border-top: 1px solid var(--gray-200); flex-shrink: 0; }

.cart-ship-banner {
  background: #e8f7f0; color: #00874f;
  font-size: .8rem; font-weight: 600;
  padding: 10px 14px; border-radius: var(--radius-sm);
  margin-bottom: 16px;
}

.cart-totals { margin-bottom: 16px; display: flex; flex-direction: column; gap: 8px; }
.cart-total-row {
  display: flex; justify-content: space-between;
  font-size: .9rem; color: var(--gray-600);
}
.cart-total-main { color: var(--black); font-size: 1.1rem; }

/* ============================================================
   SIZE MODAL
   ============================================================ */
.modal-overlay {
  position: fixed; inset: 0; z-index: 400;
  background: rgba(0,0,0,.6);
  display: flex; align-items: center; justify-content: center;
  padding: 16px;
  opacity: 0; pointer-events: none;
  transition: opacity var(--transition);
}
.modal-overlay.show { opacity: 1; pointer-events: all; }

.size-modal {
  background: var(--white);
  border-radius: 24px;
  padding: 32px;
  width: 100%; max-width: 480px;
  position: relative;
  transform: scale(.95) translateY(10px);
  transition: transform var(--transition);
  max-height: 90vh; overflow-y: auto;
}
.modal-overlay.show .size-modal { transform: scale(1) translateY(0); }

.size-modal .btn-close { position: absolute; top: 20px; right: 20px; }

.size-modal-product {
  display: flex; gap: 16px; align-items: center;
  margin-bottom: 28px; padding-right: 40px;
}
.size-modal-product img {
  width: 80px; height: 80px; object-fit: cover;
  border-radius: var(--radius-sm); background: var(--gray-100);
}
.size-modal-product h4 { font-size: 1rem; font-weight: 700; margin-bottom: 4px; }
.size-modal-price { font-size: .9rem; color: var(--gray-600); }

.size-select-area { margin-bottom: 24px; }

.size-select-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 14px;
}
.size-select-header span { font-size: .9rem; font-weight: 600; }

.size-guide-link { font-size: .78rem; color: var(--blue); font-weight: 500; }
.size-guide-link:hover { text-decoration: underline; }

.size-grid {
  display: flex; flex-wrap: wrap; gap: 8px;
}
.size-btn {
  width: 52px; height: 44px;
  border-radius: var(--radius-sm);
  border: 2px solid var(--gray-200);
  font-size: .88rem; font-weight: 600;
  background: var(--white);
  transition: var(--transition);
}
.size-btn:hover:not(:disabled) { border-color: var(--black); }
.size-btn.selected { background: var(--black); color: var(--white); border-color: var(--black); }
.size-btn:disabled { opacity: .35; cursor: not-allowed; }

.qty-row {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 20px;
}
.qty-row label { font-size: .9rem; font-weight: 600; }

.qty-ctrl {
  display: flex; align-items: center; gap: 16px;
}
.qty-btn {
  width: 36px; height: 36px; border-radius: 8px;
  background: var(--gray-100);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem; font-weight: 700;
  transition: var(--transition);
}
.qty-btn:hover { background: var(--gray-200); }
#qtyDisplay { font-size: 1rem; font-weight: 700; min-width: 24px; text-align: center; }

/* ============================================================
   CHECKOUT MODAL
   ============================================================ */
.checkout-overlay {
  position: fixed; inset: 0; z-index: 500;
  background: rgba(0,0,0,.7);
  display: flex; align-items: flex-start; justify-content: center;
  padding: 16px;
  overflow-y: auto;
  opacity: 0; pointer-events: none;
  transition: opacity var(--transition);
}
.checkout-overlay.show { opacity: 1; pointer-events: all; }

.checkout-modal {
  background: var(--white);
  border-radius: 24px;
  width: 100%; max-width: 940px;
  position: relative;
  margin: auto;
  transform: translateY(20px);
  transition: transform var(--transition);
  overflow: hidden;
}
.checkout-overlay.show .checkout-modal { transform: translateY(0); }

.checkout-close-btn {
  position: absolute; top: 20px; right: 20px; z-index: 10;
}

.checkout-layout {
  display: grid;
  grid-template-columns: 1fr 360px;
}

/* Form area */
.checkout-form-area {
  padding: 40px 40px 40px 40px;
  border-right: 1px solid var(--gray-200);
}

/* Progress */
.checkout-progress {
  display: flex; align-items: center;
  margin-bottom: 36px;
}
.cp-step {
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  flex-shrink: 0;
}
.cp-circle {
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--gray-200); color: var(--gray-600);
  display: flex; align-items: center; justify-content: center;
  font-size: .8rem; font-weight: 700;
  transition: var(--transition);
}
.cp-step span { font-size: .72rem; font-weight: 600; color: var(--gray-400); white-space: nowrap; }
.cp-step.active .cp-circle { background: var(--black); color: var(--white); }
.cp-step.active span { color: var(--black); }
.cp-step.done .cp-circle { background: var(--green); color: var(--white); }
.cp-step.done span { color: var(--green); }
.cp-line { flex: 1; height: 2px; background: var(--gray-200); margin: 0 8px; margin-bottom: 22px; }

/* Co-step */
.co-step h3 { font-size: 1.3rem; font-weight: 800; margin-bottom: 24px; letter-spacing: -.02em; }

/* Forms */
.form-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.form-group label { font-size: .82rem; font-weight: 600; color: var(--gray-800); }
.form-group input,
.form-group select {
  padding: 12px 14px;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-sm);
  font-size: .9rem; color: var(--black);
  transition: border-color var(--transition);
  background: var(--white);
  width: 100%;
}
.form-group input:focus,
.form-group select:focus { outline: none; border-color: var(--black); }
.form-group input.error,
.form-group select.error { border-color: var(--red); }

.form-row { display: flex; gap: 12px; }
.form-row .form-group { flex: 1; }

.field-error { font-size: .78rem; color: var(--red); font-weight: 500; display: block; margin-top: 4px; min-height: 1em; }
.field-hint { font-size: .78rem; color: var(--blue); font-weight: 500; }

/* Auth modal field-group (reuses checkout input styling) */
.field-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; }
.field-group label { font-size: .82rem; font-weight: 600; color: var(--gray-800); }
.field-group input {
  padding: 12px 14px;
  border: 2px solid var(--gray-200); border-radius: var(--radius-sm);
  font-size: .9rem; color: var(--black);
  transition: border-color var(--transition);
  width: 100%;
}
.field-group input:focus { outline: none; border-color: var(--black); }
.field-group input.error { border-color: var(--red); }

.input-action {
  display: flex; gap: 8px;
}
.input-action input { flex: 1; }
.btn-action {
  padding: 12px 18px; border-radius: var(--radius-sm);
  background: var(--black); color: var(--white);
  font-size: .85rem; font-weight: 700;
  flex-shrink: 0;
  transition: var(--transition);
}
.btn-action:hover { background: #222; }

/* Shipping options */
.shipping-options { margin-top: 20px; margin-bottom: 24px; }
.shipping-options h4 { font-size: .88rem; font-weight: 700; margin-bottom: 12px; }

.ship-opt {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 16px; border-radius: var(--radius-sm);
  border: 2px solid var(--gray-200);
  margin-bottom: 8px; cursor: pointer;
  transition: var(--transition);
}
.ship-opt:has(input:checked) { border-color: var(--black); background: var(--gray-50); }

.ship-opt input { display: none; }

.ship-opt-content {
  display: flex; align-items: center; justify-content: space-between;
  flex: 1;
}
.ship-opt-content > div { display: flex; flex-direction: column; gap: 2px; }
.ship-opt-content strong { font-size: .88rem; }
.ship-opt-content span { font-size: .78rem; color: var(--gray-600); }
.ship-free { color: var(--green); font-weight: 700; font-size: .88rem; }

/* Form nav */
.form-nav {
  display: flex; justify-content: space-between; gap: 12px;
  margin-top: 24px;
}

/* Payment tabs */
.pay-tabs {
  display: flex; gap: 8px;
  margin-bottom: 24px;
}
.pay-tab {
  flex: 1; display: flex; align-items: center; justify-content: center; gap: 7px;
  padding: 12px; border-radius: var(--radius-sm);
  border: 2px solid var(--gray-200);
  font-size: .85rem; font-weight: 700;
  color: var(--gray-600);
  transition: var(--transition);
}
.pay-tab:hover { border-color: var(--gray-800); color: var(--gray-800); }
.pay-tab.active { border-color: var(--black); background: var(--black); color: var(--white); }

/* PIX */
.pix-badge {
  background: #e8fef6; color: #00874f;
  font-size: .82rem; font-weight: 700;
  padding: 10px 14px; border-radius: var(--radius-sm);
  margin-bottom: 20px;
}
.pix-box { display: flex; gap: 24px; }
.pix-qr { flex-shrink: 0; }
.qr-placeholder {
  background: var(--gray-50); border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
  padding: 20px; text-align: center;
  display: flex; flex-direction: column; align-items: center; gap: 8px;
}
.qr-placeholder p { font-size: .82rem; font-weight: 700; }
.qr-placeholder small { font-size: .72rem; color: var(--gray-400); }

.pix-info { flex: 1; }
.pix-total-box {
  display: flex; flex-direction: column;
  margin-bottom: 16px;
}
.pix-total-box span { font-size: .8rem; color: var(--gray-600); }
.pix-total-box strong { font-size: 1.4rem; font-weight: 800; color: var(--pix); }

.pix-copy-wrap { margin-bottom: 16px; }
.pix-copy-wrap label { font-size: .8rem; font-weight: 600; display: block; margin-bottom: 6px; }
.pix-copy-field { display: flex; gap: 6px; }
.pix-copy-field input {
  flex: 1; padding: 10px 12px;
  border: 2px solid var(--gray-200); border-radius: var(--radius-sm);
  font-size: .78rem; color: var(--gray-600);
  background: var(--gray-50);
}
.btn-copy {
  padding: 10px 14px; border-radius: var(--radius-sm);
  background: var(--pix); color: var(--white);
  font-size: .8rem; font-weight: 700;
  transition: var(--transition);
}
.btn-copy:hover { opacity: .85; }

.pix-tips { list-style: none; display: flex; flex-direction: column; gap: 5px; }
.pix-tips li { font-size: .8rem; color: var(--green); font-weight: 600; }

/* Boleto */
.boleto-box {
  text-align: center; padding: 32px;
  border: 2px dashed var(--gray-200);
  border-radius: var(--radius);
}
.boleto-icon { font-size: 3rem; margin-bottom: 12px; }
.boleto-box h4 { font-size: 1.1rem; font-weight: 700; margin-bottom: 12px; }
.boleto-details { margin-bottom: 20px; color: var(--gray-600); font-size: .9rem; }
.boleto-details p + p { margin-top: 4px; }
.barcode-visual {
  height: 64px; margin: 0 auto 8px;
  background: repeating-linear-gradient(90deg, #000 0, #000 3px, #fff 3px, #fff 5px,
    #000 5px, #000 8px, #fff 8px, #fff 12px, #000 12px, #000 14px, #fff 14px, #fff 20px);
  border-radius: 4px;
}
.boleto-box small { font-size: .78rem; color: var(--gray-400); display: block; margin-bottom: 16px; }
.boleto-warning { font-size: .8rem; color: var(--gray-600); }

/* Checkout summary */
.checkout-summary {
  padding: 40px 32px;
  background: var(--gray-50);
}
.checkout-summary h4 {
  font-size: 1rem; font-weight: 700;
  margin-bottom: 20px;
}
.summary-item {
  display: flex; gap: 12px; align-items: flex-start;
  margin-bottom: 16px;
}
.summary-item img {
  width: 52px; height: 52px; object-fit: cover;
  border-radius: var(--radius-sm); background: var(--gray-200);
  flex-shrink: 0;
}
.summary-item-info { flex: 1; min-width: 0; }
.summary-item-name { font-size: .82rem; font-weight: 700; }
.summary-item-meta { font-size: .75rem; color: var(--gray-600); }
.summary-item-price { font-size: .85rem; font-weight: 700; white-space: nowrap; }

.summary-divider { height: 1px; background: var(--gray-200); margin: 16px 0; }
.summary-row {
  display: flex; justify-content: space-between; align-items: center;
  font-size: .88rem; color: var(--gray-600); margin-bottom: 8px;
}
.summary-total-row { font-size: 1rem; color: var(--black); margin-bottom: 16px; }

.summary-security {
  display: flex; align-items: center; gap: 6px;
  font-size: .75rem; color: var(--gray-400); font-weight: 500;
}

/* Confirmation */
.confirmation-box { text-align: center; padding: 20px 0; }
.confirm-icon {
  width: 72px; height: 72px; border-radius: 50%;
  background: var(--green); color: var(--white);
  display: flex; align-items: center; justify-content: center;
  font-size: 2rem;
  margin: 0 auto 20px;
}
.confirmation-box h3 { font-size: 1.5rem; font-weight: 800; margin-bottom: 8px; }
.confirm-order-num { font-size: 1rem; color: var(--gray-600); margin-bottom: 12px; }
.confirmation-box > p { color: var(--gray-600); font-size: .9rem; margin-bottom: 28px; line-height: 1.7; }

.confirm-details {
  display: flex; flex-direction: column; gap: 12px;
  background: var(--gray-50); border-radius: var(--radius);
  padding: 20px; margin-bottom: 28px; text-align: left;
}
.confirm-detail-item {
  display: flex; justify-content: space-between;
  font-size: .88rem;
}
.confirm-detail-item span { color: var(--gray-600); }

/* ============================================================
   LIGHTBOX
   ============================================================ */
.lightbox {
  position: fixed; inset: 0; z-index: 600;
  background: rgba(0,0,0,.92);
  display: flex; align-items: center; justify-content: center;
  padding: 20px;
  opacity: 0; pointer-events: none;
  transition: opacity .25s ease;
}
.lightbox.show { opacity: 1; pointer-events: all; }

.lightbox-close {
  position: absolute; top: 20px; right: 20px;
  width: 44px; height: 44px; border-radius: 50%;
  background: rgba(255,255,255,.15); color: var(--white);
  font-size: 1.1rem; display: flex; align-items: center; justify-content: center;
  transition: background var(--transition);
  z-index: 1;
}
.lightbox-close:hover { background: rgba(255,255,255,.28); }

/* Nav arrows */
.lightbox-nav {
  position: absolute; top: 50%; transform: translateY(-50%);
  width: 48px; height: 48px; border-radius: 50%;
  background: rgba(255,255,255,.15); color: var(--white);
  font-size: 1.3rem; display: flex; align-items: center; justify-content: center;
  transition: background var(--transition);
  z-index: 1;
}
.lightbox-nav:hover { background: rgba(255,255,255,.3); }
.lightbox-prev { left: 16px; }
.lightbox-next { right: 16px; }

.lightbox-content {
  display: flex; flex-direction: column; align-items: center; gap: 20px;
  max-width: 520px; width: 100%;
  transform: scale(.94);
  transition: transform .25s ease;
}
.lightbox.show .lightbox-content { transform: scale(1); }

/* Image wrapper for swipe */
.lightbox-img-wrap {
  width: 100%; overflow: hidden; border-radius: var(--radius);
  background: var(--white);
  box-shadow: 0 24px 80px rgba(0,0,0,.5);
  user-select: none;
}
.lightbox-img-wrap img {
  width: 100%; max-height: 65vh; object-fit: contain;
  padding: 24px; display: block;
  transition: transform .3s ease, opacity .2s ease;
  pointer-events: none;
}
.lightbox-img-wrap img.sliding-left  { transform: translateX(-60px); opacity: 0; }
.lightbox-img-wrap img.sliding-right { transform: translateX(60px);  opacity: 0; }

.lightbox-info { text-align: center; color: var(--white); width: 100%; }

/* Dots */
.lightbox-dots {
  display: flex; justify-content: center; gap: 6px; margin-bottom: 14px;
}
.lightbox-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: rgba(255,255,255,.3);
  transition: background .2s, transform .2s;
  border: none;
}
.lightbox-dot.active { background: var(--white); transform: scale(1.3); }

.lightbox-info h3 { font-size: 1.2rem; font-weight: 800; margin-bottom: 4px; }
.lightbox-info > p { font-size: .88rem; color: rgba(255,255,255,.6); margin-bottom: 14px; }

.lightbox-price-row {
  display: flex; justify-content: center; align-items: baseline; gap: 12px;
  margin-bottom: 18px;
}
#lightboxPrice { font-size: 1.3rem; font-weight: 800; color: var(--white); }
#lightboxPricePix { font-size: .8rem; color: var(--pix); font-weight: 600; }

/* Make product image clickable */
.product-img-wrap { cursor: zoom-in; }

/* ============================================================
   VIDEO SECTION
   ============================================================ */
.video-section {
  padding: 80px 0;
  background: var(--black);
}
.video-section .section-header { margin-bottom: 40px; }
.video-section .section-label { color: rgba(255,255,255,.5); }
.video-section h2 { color: var(--white); }
.video-section p { color: rgba(255,255,255,.6); }

.video-wrapper {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%; /* 16:9 */
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 24px 64px rgba(0,0,0,.5);
}
.video-wrapper iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .checkout-layout { grid-template-columns: 1fr; }
  .checkout-summary {
    border-top: 1px solid var(--gray-200);
    border-right: none;
  }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 900px) {
  .product-card { flex: 0 0 calc((100% - 24px) / 2); }
  .tech-grid { grid-template-columns: 1fr; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .size-guide-inner { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .hero-inner { grid-template-columns: 1fr; min-height: auto; padding-top: 40px; }
  .hero-img { order: -1; }
  .nav-menu { display: none; }
  .footer-grid { grid-template-columns: 1fr; }
  .stats-inner { gap: 20px; }
  .stat-sep { display: none; }
  .checkout-form-area { padding: 28px 20px; }
  .pix-box { flex-direction: column; }
  .co-step h3 { font-size: 1.1rem; }
}

@media (max-width: 480px) {
  .product-card { flex: 0 0 calc(100% - 0px); }
  .carousel-arrow { width: 36px; height: 36px; }
  .hero h1 { font-size: 2.2rem; }
  .hero-actions { flex-direction: column; }
  .size-modal { padding: 24px; }
  .checkout-progress { gap: 0; }
  .cp-step span { display: none; }
  .form-row { flex-direction: column; }
  .form-row .form-group[style] { max-width: none !important; flex: auto !important; }
  .auth-modal { padding: 28px 20px 24px; }
  .field-row-2 { grid-template-columns: 1fr; }
  .btn-member span, .btn-member-logged span { display: none; }
}