/* Old Dad TX — luxury static site
   Palette: navy-black #04121F, gold #D9A441, ivory #F2EEE8, white, charcoal #2A2A2E
*/
:root {
  --navy: #04121F;
  --navy-deep: #020A12;
  --navy-mid: #0A1C2C;
  --gold: #D9A441;
  --gold-soft: #E6BE78;
  --gold-dim: #B48C46;
  --ivory: #F2EEE8;
  --white: #FFFFFF;
  --charcoal: #2A2A2E;
  --muted: #8A8A90;
  --line: rgba(217, 164, 65, 0.28);
  --line-soft: rgba(242, 238, 232, 0.12);
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
  --radius: 2px;
  --max: 1120px;
  --header-h: 72px;
  --font-display: "Cinzel", "Cormorant Garamond", Georgia, serif;
  --font-body: "Josefin Sans", "Montserrat", system-ui, sans-serif;
  --font-ui: "Montserrat", "Josefin Sans", system-ui, sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--navy);
  color: var(--ivory);
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 1.05rem;
  line-height: 1.7;
  letter-spacing: 0.02em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--gold); text-decoration: none; transition: color 0.25s var(--ease); }
a:hover { color: var(--gold-soft); }
a:focus-visible, button:focus-visible, summary:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
.wrap { width: min(100% - 2rem, var(--max)); margin-inline: auto; }
.wrap-wide { width: min(100% - 2rem, 1280px); margin-inline: auto; }

/* Typography */
.eyebrow {
  font-family: var(--font-ui);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--gold);
  margin: 0 0 0.85rem;
}
h1, h2, h3, .display {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--white);
  margin: 0;
}
h1 { font-size: clamp(2rem, 5vw, 3.4rem); }
h2 { font-size: clamp(1.55rem, 3.2vw, 2.35rem); }
h3 { font-size: clamp(1.15rem, 2vw, 1.45rem); letter-spacing: 0.12em; }
.lead {
  font-size: clamp(1.05rem, 2vw, 1.2rem);
  color: rgba(242, 238, 232, 0.82);
  max-width: 38rem;
}
.muted { color: var(--muted); }
.gold { color: var(--gold); }
.rule {
  width: 56px; height: 1px; background: var(--gold);
  border: 0; margin: 1.25rem 0;
}
.rule.center { margin-inline: auto; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.55rem;
  min-height: 48px; padding: 0.85rem 1.6rem;
  font-family: var(--font-ui);
  font-size: 0.72rem; font-weight: 500;
  letter-spacing: 0.22em; text-transform: uppercase;
  border: 1px solid var(--gold);
  border-radius: var(--radius);
  cursor: pointer;
  transition: background 0.3s var(--ease), color 0.3s var(--ease), border-color 0.3s var(--ease), transform 0.3s var(--ease);
}
.btn-primary {
  background: var(--gold); color: var(--navy);
}
.btn-primary:hover { background: var(--gold-soft); color: var(--navy); }
.btn-ghost {
  background: transparent; color: var(--gold);
}
.btn-ghost:hover { background: rgba(217,164,65,0.1); color: var(--gold-soft); }
.btn-dark {
  background: var(--navy); color: var(--ivory); border-color: rgba(242,238,232,0.25);
}
.btn-dark:hover { border-color: var(--gold); color: var(--gold); }
.btn-row { display: flex; flex-wrap: wrap; gap: 0.85rem; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(4, 18, 31, 0.86);
  border-bottom: 1px solid var(--line-soft);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  min-height: var(--header-h); gap: 1rem;
}
.brand {
  display: flex; align-items: center; gap: 0.75rem;
  color: var(--white);
}
.brand img {
  width: 42px; height: 42px; border-radius: 50%;
  border: 1px solid var(--line);
}
.brand-text {
  display: flex; flex-direction: column; line-height: 1.15;
}
.brand-name {
  font-family: var(--font-display);
  font-size: 0.95rem; letter-spacing: 0.18em; text-transform: uppercase;
}
.brand-sub {
  font-family: var(--font-ui);
  font-size: 0.58rem; letter-spacing: 0.28em; color: var(--gold);
  text-transform: uppercase;
}
.nav {
  display: flex; align-items: center; gap: 1.5rem;
}
.nav a {
  font-family: var(--font-ui);
  font-size: 0.68rem; font-weight: 500;
  letter-spacing: 0.2em; text-transform: uppercase;
  color: rgba(242,238,232,0.78);
}
.nav a:hover, .nav a[aria-current="page"] { color: var(--gold); }
.nav-toggle {
  display: none;
  background: transparent; border: 1px solid var(--line);
  color: var(--ivory); width: 44px; height: 44px;
  border-radius: var(--radius); cursor: pointer;
}
.nav-toggle span {
  display: block; width: 18px; height: 1px; margin: 4px auto;
  background: var(--ivory);
}

@media (max-width: 820px) {
  .nav-toggle { display: inline-flex; align-items: center; justify-content: center; flex-direction: column; }
  .nav {
    position: absolute; left: 0; right: 0; top: 100%;
    display: none; flex-direction: column; align-items: stretch;
    gap: 0; padding: 0.75rem 1rem 1.25rem;
    background: rgba(2, 10, 18, 0.98);
    border-bottom: 1px solid var(--line-soft);
  }
  .nav.open { display: flex; }
  .nav a { padding: 0.9rem 0.5rem; border-bottom: 1px solid var(--line-soft); }
}

/* Hero */
.hero {
  position: relative;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 2.5rem;
  align-items: center;
  padding: clamp(2.5rem, 6vw, 5rem) 0 clamp(3rem, 7vw, 5.5rem);
  min-height: calc(100svh - var(--header-h));
}
.hero-copy .lead { margin: 1.25rem 0 2rem; }
.hero-media {
  position: relative;
  aspect-ratio: 1;
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  background: var(--navy-deep);
}
.hero-media img {
  width: 100%; height: 100%; object-fit: cover;
}
.hero-frame {
  position: absolute; inset: 12px; border: 1px solid rgba(217,164,65,0.35);
  pointer-events: none; z-index: 1;
}
.hero-badge {
  position: absolute; left: 1rem; bottom: 1rem; z-index: 2;
  background: rgba(4,18,31,0.82);
  border: 1px solid var(--line);
  padding: 0.65rem 0.9rem;
  font-family: var(--font-ui);
  font-size: 0.62rem; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--gold);
}
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; min-height: auto; padding-top: 2rem; }
  .hero-media { order: -1; max-width: 520px; margin-inline: auto; width: 100%; }
}

/* Sections */
section { padding: clamp(3.5rem, 8vw, 6rem) 0; }
.section-head {
  max-width: 40rem;
  margin-bottom: 2.5rem;
}
.section-head.center { text-align: center; margin-inline: auto; }
.section-ivory {
  background: var(--ivory);
  color: var(--charcoal);
}
.section-ivory h2, .section-ivory h3 { color: var(--navy); }
.section-ivory .eyebrow { color: var(--gold-dim); }
.section-ivory .lead, .section-ivory p { color: rgba(42,42,46,0.82); }
.section-mid { background: var(--navy-mid); }
.section-deep { background: var(--navy-deep); }

/* Cards / grids */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}
@media (max-width: 960px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
}

.feature-card {
  border: 1px solid var(--line-soft);
  background: rgba(255,255,255,0.02);
  padding: 1.75rem 1.5rem;
  height: 100%;
}
.feature-card .num {
  font-family: var(--font-display);
  color: var(--gold);
  letter-spacing: 0.18em;
  font-size: 0.85rem;
  margin-bottom: 0.85rem;
}
.feature-card h3 { margin-bottom: 0.75rem; }
.feature-card p { margin: 0; color: rgba(242,238,232,0.75); font-size: 0.98rem; }

.section-ivory .feature-card {
  background: var(--white);
  border-color: rgba(4,18,31,0.08);
  box-shadow: 0 10px 30px rgba(4,18,31,0.06);
}
.section-ivory .feature-card p { color: rgba(42,42,46,0.75); }

/* Ring cards */
.ring-card {
  display: flex; flex-direction: column;
  background: var(--navy-deep);
  border: 1px solid var(--line-soft);
  overflow: hidden;
  transition: border-color 0.3s var(--ease), transform 0.35s var(--ease);
}
.ring-card:hover { border-color: var(--line); transform: translateY(-3px); }
.ring-card-media {
  aspect-ratio: 1; overflow: hidden; background: #000;
  position: relative;
}
.ring-card-media img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.7s var(--ease);
}
.ring-card:hover .ring-card-media img { transform: scale(1.04); }
.ring-card-body { padding: 1.25rem 1.2rem 1.5rem; flex: 1; display: flex; flex-direction: column; }
.ring-card-body h3 { margin-bottom: 0.35rem; font-size: 1.05rem; }
.ring-card-body .tagline {
  font-family: var(--font-ui);
  font-size: 0.68rem; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--muted); margin-bottom: 1rem;
}
.ring-card-body .credit {
  font-size: 0.8rem; color: rgba(242,238,232,0.55); margin-top: auto;
}
.ring-card-actions { margin-top: 1.1rem; display: flex; flex-wrap: wrap; gap: 0.6rem; }
.ring-card-actions .btn { min-height: 42px; padding: 0.65rem 1rem; font-size: 0.62rem; }

/* Collection detail blocks */
.ring-detail {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2.5rem;
  align-items: start;
  padding: 3rem 0;
  border-top: 1px solid var(--line-soft);
}
.ring-detail:first-of-type { border-top: 0; padding-top: 0; }
.gallery-main {
  aspect-ratio: 1; overflow: hidden;
  border: 1px solid var(--line);
  background: #000;
}
.gallery-main img { width: 100%; height: 100%; object-fit: cover; }
.gallery-thumbs {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(72px, 1fr));
  gap: 0.55rem;
  margin-top: 0.75rem;
}
.gallery-thumbs button {
  appearance: none; border: 1px solid transparent; padding: 0;
  background: #000; cursor: pointer; aspect-ratio: 1; overflow: hidden;
}
.gallery-thumbs button[aria-current="true"],
.gallery-thumbs button:hover { border-color: var(--gold); }
.gallery-thumbs img { width: 100%; height: 100%; object-fit: cover; }
.igi-block {
  margin-top: 1.75rem;
  padding: 1.25rem 1.2rem;
  border: 1px solid var(--line);
  background: rgba(217,164,65,0.05);
}
.igi-block h4 {
  font-family: var(--font-ui);
  font-size: 0.7rem; letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--gold); margin: 0 0 0.85rem; font-weight: 500;
}
.igi-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 0.65rem 1rem;
  font-size: 0.92rem;
}
.igi-grid dt { color: var(--muted); font-size: 0.72rem; letter-spacing: 0.12em; text-transform: uppercase; margin: 0; }
.igi-grid dd { margin: 0.15rem 0 0.55rem; color: var(--ivory); }
.placeholder-mark {
  display: inline-block;
  font-family: var(--font-ui);
  font-size: 0.58rem; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--gold-dim);
  border: 1px solid rgba(217,164,65,0.35);
  padding: 0.15rem 0.4rem; margin-left: 0.35rem; vertical-align: middle;
}
@media (max-width: 900px) {
  .ring-detail { grid-template-columns: 1fr; gap: 1.5rem; }
}

/* Steps */
.steps { counter-reset: step; }
.step {
  display: grid; grid-template-columns: auto 1fr; gap: 1rem 1.25rem;
  padding: 1.25rem 0; border-bottom: 1px solid var(--line-soft);
}
.step:last-child { border-bottom: 0; }
.step::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  font-family: var(--font-display);
  color: var(--gold);
  font-size: 1.1rem;
  letter-spacing: 0.12em;
  padding-top: 0.2rem;
}
.step h3 { margin-bottom: 0.35rem; }
.step p { margin: 0; color: rgba(242,238,232,0.75); }

/* FAQ */
.faq details {
  border-bottom: 1px solid var(--line-soft);
  padding: 1.1rem 0;
}
.faq summary {
  cursor: pointer; list-style: none;
  font-family: var(--font-display);
  letter-spacing: 0.1em; text-transform: uppercase;
  font-size: 0.98rem;
  color: var(--white);
  display: flex; justify-content: space-between; gap: 1rem; align-items: center;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; color: var(--gold); font-size: 1.25rem; line-height: 1;
}
.faq details[open] summary::after { content: "–"; }
.faq details p {
  margin: 0.85rem 0 0.35rem;
  color: rgba(242,238,232,0.75);
  max-width: 46rem;
}

/* Custom / 4EVERU */
.split {
  display: grid; grid-template-columns: 1fr 1fr; gap: 2.5rem; align-items: center;
}
.split-media {
  aspect-ratio: 4/5; overflow: hidden; border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.split-media img { width: 100%; height: 100%; object-fit: cover; }
@media (max-width: 860px) {
  .split { grid-template-columns: 1fr; }
  .split-media { max-width: 420px; width: 100%; margin-inline: auto; aspect-ratio: 1; }
}

/* Contact */
.contact-panel {
  display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 2rem;
  border: 1px solid var(--line);
  padding: clamp(1.5rem, 4vw, 2.5rem);
  background: rgba(255,255,255,0.02);
}
.contact-list { list-style: none; padding: 0; margin: 1.25rem 0 0; }
.contact-list li { margin: 0 0 0.85rem; }
.contact-list a { color: var(--ivory); border-bottom: 1px solid transparent; }
.contact-list a:hover { color: var(--gold); border-bottom-color: var(--gold); }
.social-row { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 1.25rem; }
@media (max-width: 800px) {
  .contact-panel { grid-template-columns: 1fr; }
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--line-soft);
  padding: 2.5rem 0 2rem;
  background: var(--navy-deep);
}
.footer-inner {
  display: flex; flex-wrap: wrap; gap: 1.5rem;
  justify-content: space-between; align-items: flex-start;
}
.footer-brand .brand-name { margin-bottom: 0.35rem; }
.footer-links { display: flex; flex-wrap: wrap; gap: 1rem 1.5rem; }
.footer-links a {
  font-family: var(--font-ui);
  font-size: 0.65rem; letter-spacing: 0.18em; text-transform: uppercase;
  color: rgba(242,238,232,0.65);
}
.footer-meta {
  margin-top: 2rem; padding-top: 1.25rem;
  border-top: 1px solid var(--line-soft);
  display: flex; flex-wrap: wrap; gap: 0.75rem 1.5rem;
  justify-content: space-between;
  font-size: 0.85rem; color: var(--muted);
}

/* Page hero (inner) */
.page-hero {
  padding: clamp(2.5rem, 6vw, 4rem) 0 2rem;
  border-bottom: 1px solid var(--line-soft);
  text-align: center;
}
.page-hero .lead { margin: 1rem auto 0; }

/* Utilities */
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.center { text-align: center; }
.hidden { display: none !important; }
.credit-inline {
  font-size: 0.85rem; color: rgba(242,238,232,0.55);
}
.note-box {
  font-size: 0.88rem;
  color: rgba(242,238,232,0.65);
  border-left: 2px solid var(--gold);
  padding-left: 0.9rem;
  margin-top: 1rem;
}


/* ---- polish pass ---- */
.ring-card-actions { flex-direction: column; align-items: stretch; }
.ring-card-actions .btn { width: 100%; }
.ring-card-body h3 { font-size: 0.98rem; }
@media (min-width: 961px) {
  .grid-4 { gap: 1.1rem; }
}
.gallery-thumbs {
  grid-template-columns: repeat(auto-fill, minmax(64px, 1fr));
}
.hero-copy h1 { max-width: 11ch; }
.contact-panel code {
  font-size: 0.8em;
  color: var(--gold-soft);
}
.page-hero .btn { min-height: 40px; }
.ring-detail .btn-row .btn { min-width: 11rem; }
.feature-card { transition: border-color 0.3s var(--ease); }
.section-ivory .feature-card:hover { border-color: rgba(217,164,65,0.45); }

@media (max-width: 400px) {
  .brand-sub { display: none; }
}


/* Available diamonds */
.empty-diamonds {
  text-align: center;
  max-width: 42rem;
  margin: 2rem auto 3rem;
  padding: 2.75rem 1.75rem;
  border: 1px solid var(--line);
  background: rgba(217,164,65,0.04);
}
.empty-diamonds .lead { color: rgba(242,238,232,0.78); }
.diamond-card {
  display: flex; flex-direction: column;
  border: 1px solid var(--line-soft);
  background: var(--navy-deep);
  overflow: hidden;
  height: 100%;
}
.diamond-card-media {
  aspect-ratio: 1; background: #000; overflow: hidden;
}
.diamond-card-media img { width: 100%; height: 100%; object-fit: cover; }
.diamond-card-media--placeholder {
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(145deg, var(--navy-mid), var(--navy-deep));
  border-bottom: 1px solid var(--line-soft);
}
.diamond-card-media--placeholder span {
  font-family: var(--font-display);
  letter-spacing: 0.28em;
  color: var(--gold);
  font-size: 0.85rem;
}
.diamond-card-body { padding: 1.25rem 1.2rem 1.5rem; flex: 1; display: flex; flex-direction: column; }
.diamond-card-body h3 { margin-bottom: 0.85rem; font-size: 1.05rem; }
.diamond-card-body .igi-grid { margin-bottom: 0.5rem; }
.diamond-report { font-size: 0.9rem; margin: 0.35rem 0; }
.diamond-price {
  font-family: var(--font-ui);
  letter-spacing: 0.12em;
  color: var(--gold);
  margin: 0.5rem 0 0;
}

/* nav-tighten */
@media (max-width: 1100px) and (min-width: 821px) {
  .nav { gap: 1rem; }
  .nav a { letter-spacing: 0.12em; font-size: 0.62rem; }
}


/* Pay page */
.pay-line { margin-top: 0.5rem; }
.pay-panel {
  max-width: 640px; margin: 0 auto;
  border: 1px solid var(--line);
  padding: clamp(1.5rem, 4vw, 2.5rem);
  background: rgba(255,255,255,0.02);
  box-shadow: var(--shadow);
}
.pay-field { margin: 0 0 1.4rem; }
.pay-field label {
  display: block; margin-bottom: 0.5rem;
  font-family: var(--font-ui); font-size: 0.68rem; font-weight: 500;
  letter-spacing: 0.2em; text-transform: uppercase; color: var(--gold);
}
.pay-field .hint { display: block; margin-top: 0.4rem; font-size: 0.82rem; color: var(--muted); letter-spacing: 0.02em; }
.pay-input-wrap { position: relative; }
.pay-input-wrap .cur {
  position: absolute; left: 1rem; top: 50%; transform: translateY(-50%);
  color: var(--gold); font-family: var(--font-ui); pointer-events: none;
}
.pay-input {
  width: 100%; min-height: 52px; padding: 0.8rem 1rem;
  background: var(--navy-deep); color: var(--ivory);
  border: 1px solid var(--line); border-radius: var(--radius);
  font-family: var(--font-body); font-size: 1.1rem; letter-spacing: 0.04em;
}
.pay-input.has-cur { padding-left: 2.1rem; }
.pay-input::placeholder { color: rgba(242,238,232,0.35); }
.pay-input:focus { outline: 2px solid var(--gold); outline-offset: 2px; border-color: var(--gold); }
.pay-input[aria-invalid="true"] { border-color: #e07a6b; }
.pay-error { color: #f0a396; font-size: 0.88rem; margin: 0.4rem 0 0; min-height: 1.2em; }
.pay-alert {
  margin: 1rem 0 0; padding: 0.9rem 1rem; font-size: 0.95rem;
  border: 1px solid #e07a6b; background: rgba(224,122,107,0.08); color: #f6c4bb;
}
.pay-alert a { color: var(--gold-soft); text-decoration: underline; }
.pay-note { font-size: 0.82rem; color: rgba(242,238,232,0.55); margin: 1.25rem 0 0; text-align: center; }
#paypal-buttons { margin-top: 0.5rem; min-height: 60px; }
.pay-stripe { margin-top: 1.75rem; text-align: center; }
.pay-or { display: flex; align-items: center; gap: 1rem; margin: 0 0 1.5rem; color: var(--gold-dim); font-family: var(--font-ui); font-size: 0.68rem; letter-spacing: 0.25em; text-transform: uppercase; }
.pay-or::before, .pay-or::after { content: ""; flex: 1; height: 1px; background: var(--line); }
.pay-stripe-title { font-family: var(--font-display); font-size: clamp(1.05rem, 2.6vw, 1.3rem); font-weight: 500; color: var(--gold); letter-spacing: 0.04em; margin: 0 0 0.75rem; }
.pay-stripe-text { font-size: 0.95rem; color: rgba(242,238,232,0.8); margin: 0 auto 1.25rem; max-width: 34rem; }
.pay-stripe-btn { width: 100%; text-decoration: none; }
.pay-stripe-fine { font-size: 0.78rem; color: var(--muted); margin: 0.6rem 0 0; }
#paypal-messages { margin: 0 0 1.25rem; min-height: 0; }
.pay-success { text-align: center; }
.pay-success h2 { margin-bottom: 0.5rem; }
.pay-success .txn {
  display: inline-block; margin: 0.75rem 0 1.25rem; padding: 0.6rem 1rem;
  border: 1px solid var(--line); font-family: var(--font-ui); letter-spacing: 0.1em;
  color: var(--gold-soft); word-break: break-all;
}
.pay-success p { margin: 0.5rem auto; max-width: 34rem; }