/* =========================================================
   HARMŌNI US — stylesheet
   Aesthetic: premium minimal, product-centric, universal
   ========================================================= */

:root {
  --ink:           #0e0e10;
  --ink-soft:      #2a2a2e;
  --ink-mute:      #6b6b72;
  --paper:         #f7f5f1;
  --paper-warm:    #efece6;
  --paper-deep:    #e6e2d9;
  --line:          #d9d4c8;
  --accent:        #b08a4a;    /* warm bronze — engraved metal */
  --accent-deep:   #8a6a35;
  --amazon:        #ff9900;
  --amazon-ink:    #131a22;
  --ebay-r:        #e53238;
  --ebay-b:        #0064d2;
  --ebay-y:        #f5af02;
  --ebay-g:        #86b817;

  --radius-sm: 4px;
  --radius:    8px;
  --radius-lg: 16px;

  --shadow-sm:  0 1px 2px rgba(14,14,16,.04), 0 2px 8px rgba(14,14,16,.04);
  --shadow:     0 2px 6px rgba(14,14,16,.06), 0 12px 32px rgba(14,14,16,.08);
  --shadow-lg:  0 8px 24px rgba(14,14,16,.10), 0 24px 64px rgba(14,14,16,.12);

  --font-display: "Cormorant Garamond", "Times New Roman", serif;
  --font-body:    "Inter Tight", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img { max-width: 100%; height: auto; display: block; }

a { color: inherit; text-decoration: none; transition: color .2s ease, opacity .2s ease; }

.container { width: 100%; max-width: 1240px; margin: 0 auto; padding: 0 24px; }

.skip-link {
  position: absolute; top: -100px; left: 0;
  background: var(--ink); color: var(--paper);
  padding: 12px 18px; z-index: 1000;
  font-weight: 600; font-size: 14px;
}
.skip-link:focus { top: 0; }

/* =================== HEADER =================== */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(247,245,241,.85);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: 18px; padding-bottom: 18px;
}
.brand-mark {
  font-family: var(--font-body);
  font-weight: 600;
  letter-spacing: .14em;
  font-size: 15px;
  color: var(--ink);
  white-space: nowrap;
}
.primary-nav {
  display: flex; gap: 32px;
  font-size: 14px;
  letter-spacing: .04em;
}
.primary-nav a { color: var(--ink-soft); position: relative; }
.primary-nav a:hover { color: var(--ink); }
.primary-nav a::after {
  content: ""; position: absolute; left: 0; bottom: -4px;
  width: 100%; height: 1px; background: var(--ink);
  transform: scaleX(0); transform-origin: left;
  transition: transform .3s ease;
}
.primary-nav a:hover::after { transform: scaleX(1); }

/* =================== HERO =================== */
.hero {
  position: relative;
  padding: 110px 0 100px;
  background:
    radial-gradient(ellipse at 20% 0%, rgba(176,138,74,.10), transparent 55%),
    radial-gradient(ellipse at 90% 100%, rgba(14,14,16,.06), transparent 50%),
    linear-gradient(180deg, var(--paper) 0%, var(--paper-warm) 100%);
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    repeating-linear-gradient(
      0deg,
      transparent 0,
      transparent 39px,
      rgba(14,14,16,.025) 40px
    );
  pointer-events: none;
  opacity: .6;
}
.hero-inner { position: relative; max-width: 920px; }
.eyebrow {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .28em;
  color: var(--ink-mute);
  margin: 0 0 22px;
  font-weight: 500;
}
.hero-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(44px, 7vw, 88px);
  line-height: 1.04;
  letter-spacing: -.01em;
  margin: 0 0 28px;
  color: var(--ink);
}
.hero-title em {
  font-style: italic;
  color: var(--accent-deep);
}
.hero-sub {
  font-size: clamp(17px, 1.6vw, 20px);
  line-height: 1.55;
  color: var(--ink-soft);
  max-width: 620px;
  margin: 0 0 40px;
}
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 14px 28px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: .08em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all .25s ease;
  white-space: nowrap;
}
.btn-primary { background: var(--ink); color: var(--paper); }
.btn-primary:hover { background: var(--accent-deep); transform: translateY(-1px); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn-ghost:hover { background: var(--ink); color: var(--paper); }

/* =================== STORY =================== */
.story {
  padding: 120px 0;
  background: var(--paper);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.story-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 80px;
  align-items: center;
}
.story-text h2 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(32px, 4vw, 48px);
  line-height: 1.15;
  letter-spacing: -.01em;
  margin: 0 0 24px;
  color: var(--ink);
}
.story-text p {
  font-size: 17px;
  line-height: 1.7;
  color: var(--ink-soft);
  margin: 0 0 18px;
  max-width: 540px;
}

.story-marks {
  display: flex; align-items: center; justify-content: center;
}
.mark-large {
  width: 100%; max-width: 380px;
  aspect-ratio: 1 / 1;
  border: 1px solid var(--ink);
  border-radius: 50%;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  padding: 40px;
  position: relative;
  background:
    radial-gradient(circle at 30% 30%, rgba(176,138,74,.08), transparent 60%),
    var(--paper-warm);
}
.mark-large::before {
  content: "";
  position: absolute; inset: 12px;
  border: 1px solid var(--line);
  border-radius: 50%;
  pointer-events: none;
}
.mark-label {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 22px;
  letter-spacing: .18em;
  margin-bottom: 18px;
  padding: 10px 22px;
  border: 1px solid var(--ink);
  border-radius: 30px;
  color: var(--ink);
  white-space: nowrap;
}
.mark-tag {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 15px;
  color: var(--ink-soft);
  text-align: center;
  margin: 2px 0;
}

/* =================== PRODUCTS =================== */
.products {
  padding: 120px 0;
  background: var(--paper-warm);
}
.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 70px;
}
.section-head h2 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(34px, 4.5vw, 56px);
  line-height: 1.1;
  letter-spacing: -.01em;
  margin: 0 0 18px;
  color: var(--ink);
}
.section-sub {
  font-size: 17px;
  color: var(--ink-soft);
  margin: 0;
  line-height: 1.6;
}

.size-section { margin-bottom: 100px; }
.size-section:last-child { margin-bottom: 0; }

.size-header {
  display: flex; align-items: baseline; flex-wrap: wrap;
  gap: 18px 32px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 24px;
  margin-bottom: 50px;
}
.size-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(26px, 3vw, 36px);
  margin: 0;
  color: var(--ink);
  display: flex; align-items: center; gap: 18px;
}
.size-badge {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .2em;
  padding: 6px 14px;
  background: var(--ink);
  color: var(--paper);
  border-radius: 30px;
}
.size-desc {
  font-size: 15px;
  color: var(--ink-mute);
  margin: 0;
  max-width: 480px;
  line-height: 1.55;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 36px 28px;
}

.product-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 22px 24px;
  display: flex; flex-direction: column;
  transition: transform .35s cubic-bezier(.2,.6,.2,1), box-shadow .35s ease, border-color .25s ease;
  position: relative;
  overflow: hidden;
}
.product-card::before {
  content: "";
  position: absolute; left: 0; right: 0; top: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0;
  transition: opacity .35s ease;
}
.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: var(--ink-mute);
}
.product-card:hover::before { opacity: 1; }

.product-image {
  background: linear-gradient(180deg, #1a1a1d 0%, #0e0e10 100%);
  border-radius: var(--radius-sm);
  aspect-ratio: 1 / 1;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 22px;
  overflow: hidden;
  position: relative;
}
.product-image::after {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at center, transparent 40%, rgba(0,0,0,.25) 100%);
  pointer-events: none;
}
.product-image img {
  width: 88%;
  height: 88%;
  object-fit: contain;
  transition: transform .5s cubic-bezier(.2,.6,.2,1);
}
.product-card:hover .product-image img { transform: scale(1.04); }

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

.product-info h4 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 20px;
  line-height: 1.25;
  margin: 0 0 10px;
  color: var(--ink);
  letter-spacing: -.005em;
}
.product-desc {
  font-size: 14px;
  line-height: 1.55;
  color: var(--ink-mute);
  margin: 0 0 20px;
  flex: 1;
}

.buy-links {
  display: flex; flex-direction: column; gap: 8px;
  margin-top: auto;
}
.buy-btn {
  display: flex; align-items: center; justify-content: center;
  padding: 11px 16px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  transition: all .2s ease;
  position: relative;
}
.buy-btn::before {
  content: "";
  display: inline-block;
  width: 14px; height: 14px;
  margin-right: 10px;
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
}
.buy-amazon {
  background: var(--amazon-ink);
  color: #fff;
  border-color: var(--amazon-ink);
}
.buy-amazon:hover {
  background: var(--amazon);
  color: var(--amazon-ink);
  border-color: var(--amazon);
}
.buy-ebay {
  background: transparent;
  color: var(--ink);
  border-color: var(--ink);
}
.buy-ebay:hover {
  background: var(--ink);
  color: var(--paper);
}

/* =================== SPECS =================== */
.specs {
  padding: 120px 0;
  background: var(--ink);
  color: var(--paper);
}
.specs .section-head h2 { color: var(--paper); }
.specs .eyebrow { color: rgba(247,245,241,.55); }

.specs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 50px 60px;
  max-width: 1080px;
  margin: 0 auto;
}
.spec-item { padding-top: 24px; border-top: 1px solid rgba(247,245,241,.18); }
.spec-item h4 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 22px;
  margin: 0 0 12px;
  color: var(--paper);
}
.spec-item p {
  font-size: 15px;
  line-height: 1.6;
  color: rgba(247,245,241,.72);
  margin: 0;
}

/* =================== FAQ =================== */
.faq {
  padding: 120px 0;
  background: var(--paper);
}
.faq-list {
  max-width: 760px;
  margin: 0 auto;
}
.faq-list details {
  border-bottom: 1px solid var(--line);
  padding: 22px 0;
}
.faq-list details:first-child { border-top: 1px solid var(--line); }
.faq-list summary {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 21px;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
  display: flex; justify-content: space-between; align-items: center;
  gap: 20px;
  transition: color .2s ease;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after {
  content: "+";
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 28px;
  color: var(--ink-mute);
  transition: transform .3s ease, color .2s ease;
  line-height: 1;
}
.faq-list details[open] summary::after { transform: rotate(45deg); color: var(--accent-deep); }
.faq-list summary:hover { color: var(--accent-deep); }
.faq-list details p {
  font-size: 15.5px;
  line-height: 1.7;
  color: var(--ink-soft);
  margin: 16px 0 4px;
  max-width: 640px;
}

/* =================== FOOTER =================== */
.site-footer {
  background: var(--ink);
  color: var(--paper);
  padding: 60px 0 36px;
  border-top: 1px solid var(--line);
}
.footer-inner {
  display: flex; flex-direction: column; align-items: center;
  gap: 24px; text-align: center;
}
.footer-mark {
  font-family: var(--font-body);
  font-weight: 600;
  letter-spacing: .18em;
  font-size: 16px;
  margin: 0;
  color: var(--paper);
  white-space: nowrap;
}
.footer-tagline {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 16px;
  color: rgba(247,245,241,.65);
  margin: 0;
}
.footer-links {
  display: flex; gap: 36px;
  font-size: 13px;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.footer-links a { color: rgba(247,245,241,.7); }
.footer-links a:hover { color: var(--paper); }
.footer-copy {
  font-size: 12px;
  color: rgba(247,245,241,.45);
  letter-spacing: .04em;
  margin: 0;
}

/* =================== RESPONSIVE =================== */
@media (max-width: 880px) {
  .primary-nav { gap: 20px; font-size: 13px; }
  .primary-nav a:nth-child(1) { display: none; }
  .story-grid { grid-template-columns: 1fr; gap: 50px; }
  .story-marks { order: -1; }
  .mark-large { max-width: 280px; }
  .hero { padding: 80px 0 70px; }
  .story, .products, .specs, .faq { padding: 80px 0; }
  .product-grid { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 28px 20px; }
}
@media (max-width: 520px) {
  .container { padding: 0 18px; }
  .primary-nav { gap: 14px; font-size: 12px; }
  .primary-nav a:nth-child(2) { display: none; }
  .hero-cta { flex-direction: column; align-items: stretch; }
  .btn { width: 100%; }
  .product-grid { grid-template-columns: 1fr; }
  .size-header { flex-direction: column; align-items: flex-start; }
  .mark-label { font-size: 18px; letter-spacing: .14em; padding: 8px 18px; }
}

/* =================== MOTION =================== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}