:root {
  --paper: #f8f5ee;
  --porcelain: #fffdf8;
  --ink: #191816;
  --soft-ink: #4e4a43;
  --muted: #817b70;
  --graphite: #252421;
  --silver: #d7d7d2;
  --gold: #b88a42;
  --champagne: #ead6ad;
  --gem: #1f6f58;
  --line: rgba(25, 24, 22, 0.14);
  --white: #ffffff;
  --shadow: 0 22px 55px rgba(25, 24, 22, 0.15);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.5;
}

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

a {
  color: inherit;
  text-decoration: none;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 18px clamp(18px, 4vw, 56px);
  color: var(--ink);
  transition: background 180ms ease, box-shadow 180ms ease;
}

.site-header.is-scrolled {
  background: rgba(248, 245, 238, 0.92);
  box-shadow: 0 10px 30px rgba(25, 24, 22, 0.08);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-weight: 800;
  letter-spacing: 0;
}

.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid currentColor;
  border-radius: 50%;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 20px;
  line-height: 1;
}

.nav {
  display: flex;
  gap: clamp(14px, 3vw, 34px);
  color: var(--soft-ink);
  font-size: 14px;
  font-weight: 800;
}

.nav a {
  opacity: 0.9;
}

.nav a:hover {
  opacity: 1;
  color: var(--ink);
}

.hero {
  position: relative;
  display: grid;
  min-height: 92vh;
  padding: 150px clamp(20px, 7vw, 90px) 70px;
  overflow: hidden;
}

.hero-media {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(248, 245, 238, 0.96), rgba(248, 245, 238, 0.78) 42%, rgba(248, 245, 238, 0.08) 72%),
    url("assets/kahara-hero.png") center / cover;
}

.hero-content {
  position: relative;
  align-self: center;
  max-width: 700px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--gold);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 18px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(56px, 10vw, 124px);
  line-height: 0.92;
  font-weight: 500;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 16px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(34px, 5vw, 64px);
  line-height: 1.02;
  font-weight: 500;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 8px;
  font-size: 20px;
  line-height: 1.2;
}

.hero-copy {
  max-width: 550px;
  margin-bottom: 30px;
  color: var(--soft-ink);
  font-size: clamp(18px, 2vw, 24px);
}

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

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 4px;
  padding: 13px 22px;
  font-weight: 800;
  transition: transform 160ms ease, background 160ms ease, color 160ms ease, border-color 160ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button.primary {
  background: var(--ink);
  color: var(--white);
}

.button.secondary {
  border-color: rgba(25, 24, 22, 0.28);
  color: var(--ink);
}

.button.light {
  background: var(--champagne);
  color: var(--ink);
}

.intro {
  padding: clamp(36px, 7vw, 78px) clamp(20px, 8vw, 110px);
  background: var(--graphite);
  color: var(--white);
}

.intro p {
  max-width: 1040px;
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(26px, 4vw, 52px);
  line-height: 1.12;
}

.section {
  padding: clamp(58px, 9vw, 115px) clamp(20px, 6vw, 82px);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 34px;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.product-card {
  display: grid;
  min-width: 0;
  background: var(--porcelain);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 12px 36px rgba(25, 24, 22, 0.08);
}

.product-card img {
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.product-card div {
  padding: 22px;
}

.product-card p {
  color: var(--muted);
}

.product-card span {
  display: inline-flex;
  margin-top: 8px;
  color: var(--gem);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.materials {
  display: grid;
  grid-template-columns: minmax(280px, 0.9fr) minmax(320px, 1.1fr);
  gap: clamp(28px, 6vw, 76px);
  align-items: center;
  background: #ece7dc;
}

.materials-image {
  min-height: 560px;
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(25, 24, 22, 0.02), rgba(25, 24, 22, 0.12)),
    url("assets/kahara-necklaces.png") center / cover;
  box-shadow: var(--shadow);
}

.materials-content {
  max-width: 680px;
}

.material-list {
  display: grid;
  gap: 18px;
  margin-top: 30px;
}

.material-list div {
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.material-list p {
  max-width: 540px;
  color: var(--muted);
}

.contact {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: clamp(54px, 8vw, 94px) clamp(20px, 7vw, 96px);
  background: var(--ink);
  color: var(--white);
}

.contact div {
  max-width: 780px;
}

.contact p:last-child {
  max-width: 620px;
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.78);
  font-size: 18px;
}

.footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 26px clamp(20px, 6vw, 82px);
  background: #0f0f0e;
  color: var(--white);
}

.footer p {
  margin: 0;
  font-weight: 800;
}

.footer a {
  color: rgba(255, 255, 255, 0.78);
}

@media (max-width: 820px) {
  .site-header {
    align-items: flex-start;
    gap: 14px;
  }

  .nav {
    padding-top: 12px;
    font-size: 13px;
  }

  .hero {
    min-height: 88vh;
    padding-top: 132px;
  }

  .hero-media {
    background:
      linear-gradient(180deg, rgba(248, 245, 238, 0.94), rgba(248, 245, 238, 0.72) 48%, rgba(248, 245, 238, 0.16)),
      url("assets/kahara-hero.png") 58% center / cover;
  }

  .product-grid,
  .materials {
    grid-template-columns: 1fr;
  }

  .materials-image {
    min-height: 360px;
  }

  .contact,
  .footer {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 560px) {
  .site-header {
    padding: 14px 16px;
  }

  .brand {
    font-size: 14px;
  }

  .brand-mark {
    width: 36px;
    height: 36px;
    font-size: 18px;
  }

  .nav {
    gap: 10px;
  }

  .hero-actions,
  .button {
    width: 100%;
  }

  .button {
    padding-right: 16px;
    padding-left: 16px;
  }
}
