/* ===== RESET & BASE ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  color: #1a1a1a;
  background: #fff;
  -webkit-font-smoothing: antialiased;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-block;
  padding: 14px 36px;
  font-size: 0.85rem;
  font-family: inherit;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: background 0.25s ease, color 0.25s ease, border-color 0.25s ease;
}

.btn--outline {
  border: 1.5px solid #fff;
  color: #fff;
  background: transparent;
}

.btn--outline:hover {
  background: #fff;
  color: #1a1a1a;
}

.btn--dark {
  background: #1a1a1a;
  color: #fff;
  border: 1.5px solid #1a1a1a;
}

.btn--dark:hover {
  background: #3a3a3a;
  border-color: #3a3a3a;
}

/* ===== HERO ===== */
.hero {
  position: relative;
  width: 100%;
  height: 100dvh;
  min-height: 600px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

/* Ken Burns background */
.hero__bg {
  position: absolute;
  inset: -4%;
  z-index: 0;
  will-change: transform;
}

.hero__bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  animation: kenBurns 8s ease-out forwards;
}

@keyframes kenBurns {
  from { transform: scale(1.0); }
  to   { transform: scale(1.08); }
}

/* Dark overlay */
.hero__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.35);
  z-index: 1;
}

/* ===== NAV ===== */
.nav {
  position: relative;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 28px 48px;
}

.nav__logo {
  font-family: Georgia, 'Times New Roman', serif;
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: #fff;
  text-decoration: none;
  text-transform: uppercase;
}

.nav__links {
  list-style: none;
  display: flex;
  gap: 36px;
}

.nav__links a {
  color: rgba(255, 255, 255, 0.88);
  text-decoration: none;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: color 0.2s ease;
}

.nav__links a:hover {
  color: #fff;
}

/* ===== HERO CONTENT ===== */
.hero__content {
  position: relative;
  z-index: 10;
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 0 24px 80px;
  gap: 20px;
}

.hero__headline {
  font-family: Georgia, 'Times New Roman', serif;
  font-size: clamp(2.4rem, 6vw, 4.8rem);
  font-weight: 700;
  color: #fff;
  line-height: 1.12;
  letter-spacing: -0.01em;

  opacity: 0;
  transform: translateY(28px);
  animation: slideUp 0.7s cubic-bezier(0.22, 1, 0.36, 1) 0.3s forwards;
}

.hero__subline {
  font-size: clamp(0.95rem, 2vw, 1.2rem);
  color: rgba(255, 255, 255, 0.85);
  font-weight: 400;
  letter-spacing: 0.03em;
  max-width: 480px;

  opacity: 0;
  animation: fadeIn 0.6s ease 0.85s forwards;
}

.hero__content .btn--outline {
  opacity: 0;
  animation: fadeIn 0.6s ease 1.35s forwards;
}

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

@keyframes fadeIn {
  to { opacity: 1; }
}

/* ===== PRODUCT SECTION ===== */
.product {
  background: #fff;
  padding: 96px 48px;
}

.product__inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 72px;
}

.product__image-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: translateX(-24px);
  transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

.product__image-wrap.is-visible {
  opacity: 1;
  transform: translateX(0);
}

.product__image {
  width: 100%;
  max-width: 480px;
  height: auto;
  display: block;
  filter: drop-shadow(0 16px 48px rgba(0, 0, 0, 0.13));
  transition: filter 0.3s ease;
}

.product__image:hover {
  filter: drop-shadow(0 20px 56px rgba(0, 0, 0, 0.18));
}

.product__copy {
  display: flex;
  flex-direction: column;
  gap: 20px;
  opacity: 0;
  transform: translateX(24px);
  transition: opacity 0.7s ease 0.15s, transform 0.7s cubic-bezier(0.22, 1, 0.36, 1) 0.15s;
}

.product__copy.is-visible {
  opacity: 1;
  transform: translateX(0);
}

.product__label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #888;
}

.product__headline {
  font-family: Georgia, 'Times New Roman', serif;
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 700;
  line-height: 1.12;
  color: #1a1a1a;
  letter-spacing: -0.01em;
}

.product__desc {
  font-size: 1rem;
  line-height: 1.7;
  color: #444;
  max-width: 440px;
}

.product__price {
  font-family: Georgia, 'Times New Roman', serif;
  font-size: 1.6rem;
  font-weight: 700;
  color: #1a1a1a;
  letter-spacing: 0.01em;
}

.product__shipping {
  font-size: 0.8rem;
  color: #888;
  letter-spacing: 0.04em;
  margin-top: -8px;
}

/* ===== FOOTER ===== */
.footer {
  background: #000;
  color: #fff;
  text-align: center;
  padding: 56px 24px 48px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.footer__logo {
  font-family: Georgia, 'Times New Roman', serif;
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.footer__copy {
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.45);
  letter-spacing: 0.06em;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .nav {
    padding: 20px 24px;
  }

  .nav__links {
    gap: 20px;
  }

  .product {
    padding: 64px 24px;
  }

  .product__inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .product__image {
    max-width: 320px;
    margin: 0 auto;
  }

  .product__headline {
    font-size: 2rem;
  }
}

@media (max-width: 480px) {
  .nav__logo {
    font-size: 1.1rem;
  }

  .nav__links a {
    font-size: 0.72rem;
  }

  .nav__links {
    gap: 14px;
  }

  .hero__content {
    padding-bottom: 60px;
  }
}

/* ===== REDUCED MOTION ===== */
@media (prefers-reduced-motion: reduce) {
  .hero__bg-img {
    animation: none;
  }

  .hero__headline,
  .hero__subline,
  .hero__content .btn--outline {
    animation: none;
    opacity: 1;
    transform: none;
  }

  .product__image-wrap,
  .product__copy {
    opacity: 1;
    transform: none;
    transition: none;
  }
}