*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --black: #0a0a0a;
  --white: #fafaf8;
  --accent: #7b3aecd1;
  --accent-dark: #7c3aec;
  --gray-100: #f4f4f0;
  --gray-200: #e8e8e2;
  --gray-400: #b0b0a8;
  --gray-600: #6e6e68;
  --gray-800: #2a2a26;
  --card-bg: #ffffff;
  --nav-h: 68px;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--white);
  color: var(--black);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
}

header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 250, 248, 0.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--gray-200);
}

.navbar {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  gap: 2rem;
}

.logo {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 1.5rem;
  letter-spacing: -0.03em;
  color: var(--black);
  text-decoration: none;
  flex-shrink: 0;
}

.logo span {
  display: inline-block;
  background: var(--accent);
color: white !important;
  color: var(--black);
  padding: 1px 6px;
  border-radius: 4px;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 0.25rem;
  margin-left: auto;
}

.nav-links a {
  display: block;
  padding: 6px 14px;
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--gray-600);
  text-decoration: none;
  border-radius: 100px;
  transition: background 0.18s, color 0.18s;
}

.nav-links a:hover {
  background: var(--gray-100);
  color: var(--black);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.btn-nav {
  padding: 8px 18px;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: 100px;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.18s;
}

.btn-nav-outline {
  background: transparent;
  border: 1px solid var(--gray-200);
  color: var(--black);
}

.btn-nav-outline:hover {
  background: var(--gray-100);
}

.cart-icon {
  position: relative;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--gray-100);
  color: var(--black);
  text-decoration: none;
  transition: background 0.18s;
  font-size: 0.9rem;
}

.cart-icon:hover {
  background: var(--gray-200);
}

.cart-count {
  position: absolute;
  top: -3px;
  right: -3px;
  width: 18px;
  height: 18px;
  background: var(--accent);
color: white !important;
  color: var(--black);
  font-size: 10px;
  font-weight: 700;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.page-hero {
  max-width: 1280px;
  margin: 0 auto;
  padding: 4rem 2rem 2rem;
  position: relative;
}

.page-hero::before {
  content: '';
  position: absolute;
  top: 0;
  right: 40px;
  width: 380px;
  height: 380px;
  background: radial-gradient(circle, rgba(252, 71, 255, 0.22) 0%, transparent 65%);;
  pointer-events: none;
}

.page-hero-content {
  max-width: 700px;
}

.page-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: var(--gray-100);
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--gray-600);
  margin-bottom: 1.5rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.page-eyebrow span {
  display: inline-block;
  width: 7px;
  height: 7px;
  background: var(--accent-dark);
  border-radius: 50%;
}

.page-hero h1 {
  font-family: 'Syne', sans-serif;
  font-size: clamp(2.4rem, 5vw, 4.5rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.04em;
  margin-bottom: 1rem;
}

.page-hero h1 em {
  font-style: normal;
  background: var(--accent);
color: white !important;
  padding: 0 8px;
  border-radius: 6px;
}

.page-hero p {
  max-width: 540px;
  color: var(--gray-600);
  font-size: 1.05rem;
}

.cart-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 2rem 2rem 4rem;
  display: grid;
  grid-template-columns: 1.7fr 0.9fr;
  gap: 2rem;
  align-items: start;
}

.cart-items-section,
.order-summary {
  background: var(--card-bg);
  border: 1px solid var(--gray-200);
  border-radius: 20px;
  padding: 1.5rem;
  animation: fadeUp 0.5s ease both;
}

.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}

.section-head h2,
.order-summary h2 {
  font-family: 'Syne', sans-serif;
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.items-count {
  font-size: 0.85rem;
  color: var(--gray-600);
  background: var(--gray-100);
  padding: 6px 12px;
  border-radius: 100px;
}

.cart-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.cart-item {
  display: grid;
  grid-template-columns: 120px 1fr auto;
  gap: 1rem;
  padding: 1rem;
  border: 1px solid var(--gray-200);
  border-radius: 16px;
  background: var(--white);
  transition: border-color 0.18s, box-shadow 0.18s, transform 0.18s;
}

.cart-item:hover {
  border-color: var(--gray-400);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.04);
  transform: translateY(-2px);
}

.cart-item-image {
  width: 120px;
  height: 120px;
  border-radius: 14px;
  overflow: hidden;
  background: var(--gray-100);
}

.cart-item-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cart-item-details {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.item-badge {
  width: fit-content;
  padding: 4px 10px;
  border-radius: 100px;
  font-size: 0.7rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--white);
  background: var(--black);
}

.item-badge.phone {
  background: #1a1aff;
}

.item-badge.accessory {
  background: #8b22c6;
}

.cart-item-details h3 {
  font-family: 'Syne', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.item-desc {
  font-size: 0.9rem;
  color: var(--gray-600);
  max-width: 420px;
}

.item-price {
  font-family: 'Syne', sans-serif;
  font-size: 1.15rem;
  font-weight: 700;
  margin-top: 0.3rem;
}

.cart-item-actions {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: flex-end;
  gap: 1rem;
}

.quantity-box {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--gray-200);
  border-radius: 999px;
  background: var(--gray-100);
}

.quantity-box button {
  width: 28px;
  height: 28px;
  border: none;
  border-radius: 50%;
  background: var(--white);
  color: var(--black);
  font-size: 1rem;
  cursor: pointer;
  transition: background 0.18s;
}

.quantity-box button:hover {
  background: var(--gray-200);
}

.quantity-box span {
  min-width: 14px;
  text-align: center;
  font-weight: 600;
}

.remove-btn {
  border: none;
  background: transparent;
  color: #d11a2a;
  font-size: 0.9rem;
  cursor: pointer;
  font-weight: 500;
}

.remove-btn:hover {
  text-decoration: underline;
}

.order-summary {
  position: sticky;
  top: calc(var(--nav-h) + 1.5rem);
}

.summary-row,
.summary-total {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.95rem 0;
  border-bottom: 1px solid var(--gray-200);
  font-size: 0.95rem;
}

.summary-row span:first-child {
  color: var(--gray-600);
}

.summary-total {
  margin-top: 0.4rem;
  font-family: 'Syne', sans-serif;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--black);
}

.checkout-btn {
  width: 100%;
  margin-top: 1.5rem;
  padding: 14px 20px;
  border: none;
  border-radius: 999px;
  background: var(--black);
  color: var(--white);
  font-family: 'DM Sans', sans-serif;
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.18s, transform 0.18s;
}

.checkout-btn:hover {
  background: var(--gray-800);
  transform: translateY(-1px);
}

.continue-btn {
  width: 100%;
  display: inline-flex;
  justify-content: center;
  margin-top: 0.9rem;
  padding: 13px 20px;
  border: 1px solid var(--gray-200);
  border-radius: 999px;
  color: var(--black);
  text-decoration: none;
  font-size: 0.95rem;
  transition: background 0.18s, border-color 0.18s;
}

.continue-btn:hover {
  background: var(--gray-100);
  border-color: var(--gray-400);
}

footer {
  background: var(--black);
  color: var(--white);
  padding: 3.5rem 2rem;
  margin-top: 2rem;
}

.footer-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 2rem;
  align-items: start;
}

.logo-footer {
  font-family: 'Syne', sans-serif;
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 0.75rem;
}

.logo-footer span {
  background: var(--accent);
color: white !important;
  color: var(--black);
  padding: 0 6px;
  border-radius: 4px;
}

.footer-brand p {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.5);
  max-width: 240px;
}

.footer-col h4 {
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.4);
  margin-bottom: 1rem;
}

.footer-col ul {
  list-style: none;
}

.footer-col ul li {
  margin-bottom: 0.5rem;
}

.footer-col ul li a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  font-size: 0.875rem;
  transition: color 0.18s;
}

.footer-col ul li a:hover {
  color: var(--accent);
}

.footer-bottom {
  max-width: 1280px;
  margin: 2.5rem auto 0;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.35);
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 980px) {
  .cart-container {
    grid-template-columns: 1fr;
  }

  .order-summary {
    position: static;
  }

  .footer-inner {
    grid-template-columns: 1fr 1fr;
  }

  .nav-links {
    display: none;
  }
}

@media (max-width: 720px) {
  .cart-item {
    grid-template-columns: 1fr;
  }

  .cart-item-image {
    width: 100%;
    height: 220px;
  }

  .cart-item-actions {
    align-items: stretch;
  }

  .quantity-box {
    justify-content: center;
  }
}

@media (max-width: 560px) {
  .footer-inner {
    grid-template-columns: 1fr;
  }

  .navbar,
  .page-hero,
  .cart-container,
  footer {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .page-hero h1 {
    font-size: 2.2rem;
  }

  .section-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.8rem;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 0.5rem;
    align-items: flex-start;
  }
}

.back-btn {
  display: inline-block;
  margin: 20px;
  text-decoration: none;
  color: #000;
  font-weight: bold;
}

.small-label {
  font-size: 0.75rem;
  color: var(--gray-600);
  margin-right: 6px;
}

.qty-input {
  width: 56px;
  padding: 6px 8px;
  border: 1px solid var(--gray-200);
  border-radius: 8px;
  text-align: center;
  font-family: inherit;
}

.cart-actions {
  display: flex;
  gap: 0.75rem;
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--gray-200);
  flex-wrap: wrap;
}

.qty-input {
  width: 56px;
  padding: 6px 8px;
  border: 1px solid var(--gray-200);
  border-radius: 8px;
  text-align: center;
  font-family: inherit;
}