:root {
  --ink: #17201b;
  --muted: #667067;
  --paper: #f7f4ec;
  --white: #ffffff;
  --charcoal: #121816;
  --green: #1e4d38;
  --green-2: #276b4b;
  --gold: #c99636;
  --silver: #c8ced1;
  --platinum: #d7d2c8;
  --line: rgba(23, 32, 27, 0.14);
  --shadow: 0 24px 70px rgba(16, 24, 20, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

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

.top-strip {
  position: fixed;
  z-index: 21;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  justify-content: center;
  gap: 18px;
  padding: 8px 18px;
  color: #1d1608;
  background: var(--gold);
  font-size: 14px;
  font-weight: 800;
  text-align: center;
}

.top-strip a {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.site-header {
  position: fixed;
  z-index: 20;
  top: 35px;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 76px;
  padding: 16px clamp(20px, 5vw, 64px);
  color: var(--white);
  transition: background 180ms ease, box-shadow 180ms ease;
}

.site-header.is-scrolled,
.site-header.is-open {
  background: rgba(18, 24, 22, 0.94);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.22);
  backdrop-filter: blur(16px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-logo {
  width: 156px;
  height: 64px;
  object-fit: contain;
}

.brand small {
  display: block;
}

.brand small {
  color: rgba(255, 255, 255, 0.72);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 26px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 14px;
  font-weight: 600;
}

.site-nav a:hover {
  color: var(--white);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  background: rgba(255, 255, 255, 0.08);
  color: var(--white);
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 5px auto;
  background: currentColor;
}

.hero {
  position: relative;
  display: grid;
  align-items: center;
  min-height: 92vh;
  padding: 152px clamp(20px, 5vw, 64px) 56px;
  overflow: hidden;
  color: var(--white);
  background: var(--charcoal);
}

.hero-media,
.hero-overlay {
  position: absolute;
  inset: 0;
}

.hero-media {
  background-image: url("assets/precious-metals-hero.png");
  background-size: cover;
  background-position: center right;
  transform: scale(1.02);
}

.hero-overlay {
  background:
    linear-gradient(90deg, rgba(13, 19, 17, 0.96) 0%, rgba(13, 19, 17, 0.82) 37%, rgba(13, 19, 17, 0.32) 70%, rgba(13, 19, 17, 0.15) 100%),
    linear-gradient(0deg, rgba(13, 19, 17, 0.86) 0%, rgba(13, 19, 17, 0) 44%);
}

.hero-content {
  position: relative;
  max-width: 760px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--gold);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  max-width: 740px;
  margin-bottom: 22px;
  font-size: clamp(42px, 7vw, 86px);
  line-height: 0.96;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 0;
  font-size: clamp(32px, 4.2vw, 58px);
  line-height: 1;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 20px;
}

.hero-copy {
  max-width: 590px;
  color: rgba(255, 255, 255, 0.82);
  font-size: clamp(18px, 2vw, 23px);
  line-height: 1.45;
}

.hero-copy strong {
  color: var(--white);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 34px 0 42px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 22px;
  border: 1px solid transparent;
  font-weight: 800;
}

.button.primary {
  background: var(--gold);
  color: #1d1608;
}

.button.secondary {
  border-color: rgba(255, 255, 255, 0.32);
  color: var(--white);
}

.hero-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 150px));
  gap: 1px;
  max-width: 500px;
  margin: 0;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.18);
  border: 1px solid rgba(255, 255, 255, 0.18);
}

.hero-facts div {
  padding: 18px;
  background: rgba(255, 255, 255, 0.08);
}

.hero-facts dt {
  color: rgba(255, 255, 255, 0.62);
  font-size: 12px;
  font-weight: 700;
}

.hero-facts dd {
  margin: 6px 0 0;
  font-size: 18px;
  font-weight: 800;
}

.section {
  padding: clamp(64px, 9vw, 118px) clamp(20px, 5vw, 64px);
}

.section-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(280px, 0.7fr);
  gap: clamp(32px, 8vw, 100px);
  align-items: end;
  max-width: 1160px;
  margin: 0 auto;
}

.section-grid p:last-child,
.contact-copy p {
  color: var(--muted);
  font-size: 18px;
  line-height: 1.7;
}

.section-heading {
  max-width: 860px;
  margin: 0 auto 38px;
}

.metal-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  max-width: 1160px;
  margin: 0 auto;
}

.buy-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  max-width: 1160px;
  margin: 28px auto 0;
}

.buy-list span {
  padding: 10px 14px;
  border: 1px solid rgba(201, 150, 54, 0.38);
  background: #fffdf7;
  color: #3b2b0c;
  font-size: 14px;
  font-weight: 800;
}

.metal-card {
  min-height: 280px;
  padding: 28px;
  border: 1px solid var(--line);
  background: var(--white);
  box-shadow: 0 10px 30px rgba(23, 32, 27, 0.06);
}

.metal-symbol {
  display: grid;
  place-items: center;
  width: 64px;
  height: 64px;
  margin-bottom: 28px;
  font-weight: 800;
  color: #1d1a12;
}

.gold .metal-symbol {
  background: linear-gradient(135deg, #b77b20, #f3d58b);
}

.silver .metal-symbol {
  background: linear-gradient(135deg, #aeb8bd, #edf1f2);
}

.platinum .metal-symbol {
  background: linear-gradient(135deg, #bfb8aa, #f0eee8);
}

.metal-card p,
.steps p,
.trust-list p {
  color: var(--muted);
  line-height: 1.65;
}

.process {
  background: #e9ece6;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
}

.steps li {
  min-height: 260px;
  padding: 30px;
  background: #fbfaf5;
}

.steps span {
  display: block;
  margin-bottom: 44px;
  color: var(--green);
  font-size: 14px;
  font-weight: 800;
}

.trust {
  color: var(--white);
  background: var(--green);
}

.faq {
  background: #fbfaf5;
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  max-width: 1160px;
  margin: 0 auto;
}

.faq-grid article {
  padding: 26px;
  border-left: 5px solid var(--gold);
  background: var(--white);
  box-shadow: 0 10px 30px rgba(23, 32, 27, 0.06);
}

.faq-grid p {
  color: var(--muted);
  line-height: 1.65;
}

.trust-panel {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(300px, 1fr);
  gap: clamp(34px, 7vw, 86px);
  max-width: 1160px;
  margin: 0 auto;
}

.trust h2 {
  color: var(--white);
}

.trust-list {
  display: grid;
  gap: 18px;
}

.trust-list article {
  padding-bottom: 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.trust-list p {
  color: rgba(255, 255, 255, 0.74);
}

.reviews {
  background: #fbfaf5;
}

.review-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  max-width: 1160px;
  margin: 0 auto;
}

.review-card {
  min-height: 230px;
  padding: 28px;
  border: 1px solid var(--line);
  background: var(--white);
  box-shadow: 0 10px 30px rgba(23, 32, 27, 0.06);
}

.review-card p {
  color: var(--ink);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.45;
}

.review-card span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.contact {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(320px, 0.55fr);
  gap: clamp(32px, 7vw, 82px);
  align-items: start;
  max-width: 1288px;
  margin: 0 auto;
}

.contact-card {
  display: grid;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--white);
  box-shadow: var(--shadow);
}

.contact-line {
  display: grid;
  gap: 7px;
  padding: 22px;
  border-bottom: 1px solid var(--line);
}

.contact-line:last-child {
  border-bottom: 0;
}

.contact-line span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.contact-line strong {
  overflow-wrap: anywhere;
  font-size: 18px;
}

.contact-button {
  margin: 22px;
  background: var(--green);
  color: var(--white);
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 28px clamp(20px, 5vw, 64px);
  color: rgba(255, 255, 255, 0.72);
  background: var(--charcoal);
  font-size: 14px;
}

.site-footer p {
  margin: 0;
}

.site-footer a {
  color: var(--white);
  font-weight: 700;
}

@media (max-width: 820px) {
  .top-strip {
    flex-wrap: wrap;
    gap: 6px 14px;
    line-height: 1.25;
  }

  .site-header {
    min-height: 68px;
    top: 48px;
    padding: 12px 18px;
  }

  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    display: none;
    grid-template-columns: 1fr;
    gap: 0;
    padding: 10px 18px 18px;
    background: rgba(18, 24, 22, 0.96);
  }

  .site-nav.is-open {
    display: grid;
  }

  .site-nav a {
    padding: 14px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
  }

  .hero {
    min-height: auto;
    padding-top: 150px;
  }

  .hero-media {
    background-position: 58% center;
  }

  .hero-overlay {
    background:
      linear-gradient(90deg, rgba(13, 19, 17, 0.96) 0%, rgba(13, 19, 17, 0.8) 78%, rgba(13, 19, 17, 0.5) 100%),
      linear-gradient(0deg, rgba(13, 19, 17, 0.9) 0%, rgba(13, 19, 17, 0.1) 56%);
  }

  .hero-facts,
  .section-grid,
  .metal-grid,
  .steps,
  .faq-grid,
  .review-grid,
  .trust-panel,
  .contact {
    grid-template-columns: 1fr;
  }

  .metal-card,
  .steps li {
    min-height: auto;
  }
}

@media (max-width: 520px) {
  .top-strip {
    font-size: 12px;
  }

  .brand small {
    display: none;
  }

  .brand-logo {
    width: 124px;
    height: 54px;
  }

  h1 {
    font-size: 42px;
  }

  h2 {
    font-size: 32px;
  }

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

  .hero-facts {
    grid-template-columns: 1fr;
  }

  .site-footer {
    display: grid;
  }
}