/* ELVION — site styles v2 (navy · white · restrained gold) */
:root {
  --navy-900: #081628;
  --navy-800: #0C2038;
  --navy-700: #13304F;
  --navy-600: #1E4470;
  --navy-100: #E7EDF5;
  --navy-50:  #F4F7FB;
  --gold:     #B8924A;
  --gold-600: #9A7634;
  --gold-200: #E9D9B6;
  --white:    #FFFFFF;
  --ink:      #152235;
  --ink-2:    #33435A;
  --muted:    #55647A;
  --line:     #DCE3EC;
  --ok:       #1F7A55;
  --warn-bg:  #FFF6E5;
  --warn:     #8A5A00;
  --err:      #B3261E;

  --f-display: 'Fraunces', Georgia, serif;
  --f-body: 'Source Sans 3', system-ui, -apple-system, 'Segoe UI', sans-serif;

  --r-sm: 6px; --r-md: 10px; --r-lg: 16px;
  --shadow: 0 1px 2px rgba(8,22,40,.06), 0 8px 24px rgba(8,22,40,.08);
  --max: 1160px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--white); color: var(--ink); font-family: var(--f-body); font-size: 18px; line-height: 1.65; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--navy-600); text-underline-offset: 3px; }
a:hover { color: var(--navy-800); }
:focus-visible { outline: 3px solid var(--gold); outline-offset: 2px; border-radius: 4px; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 20px; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--white); padding: 8px 12px; z-index: 100; }
.skip:focus { left: 8px; }

h1, h2, h3 { font-family: var(--f-display); color: var(--navy-800); font-weight: 600; letter-spacing: -0.015em; margin: 0 0 .5em; }
h1 { font-size: clamp(34px, 5vw, 54px); line-height: 1.1; }
h2 { font-size: clamp(27px, 3.4vw, 38px); line-height: 1.18; }
h3 { font-size: 21px; line-height: 1.3; }
p { margin: 0 0 1em; color: var(--ink-2); }
.lede { font-size: clamp(19px, 2vw, 21px); line-height: 1.6; color: var(--ink-2); max-width: 58ch; }
.eyebrow { display: inline-block; font-size: 14px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--gold-600); margin-bottom: 12px; }
.muted { color: var(--muted); }
.small { font-size: 15px; }

section { padding: clamp(56px, 8vw, 96px) 0; }
.section-alt { background: var(--navy-50); }
.section-head { max-width: 720px; margin-bottom: 36px; }
.center { text-align: center; margin-left: auto; margin-right: auto; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.96); backdrop-filter: saturate(1.4) blur(8px); border-bottom: 1px solid var(--line); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--navy-800); }
.brand img { width: 40px; height: 40px; border-radius: 50%; }
.brand span { font-family: var(--f-display); font-weight: 700; font-size: 22px; letter-spacing: .06em; }
.nav { display: flex; align-items: center; gap: 4px; }
.nav a { text-decoration: none; color: var(--ink-2); font-weight: 600; font-size: 16px; padding: 10px 14px; border-radius: var(--r-sm); }
.nav a:hover { color: var(--navy-800); background: var(--navy-50); }
.nav a[aria-current="page"] { color: var(--navy-800); box-shadow: inset 0 -2px 0 var(--gold); border-radius: 0; }
.nav .nav-cta { background: var(--navy-800); color: var(--white); margin-left: 8px; border-radius: var(--r-sm); }
.nav .nav-cta:hover { background: var(--navy-700); color: var(--white); }
.nav-toggle { display: none; background: none; border: 1px solid var(--line); border-radius: var(--r-sm); font-size: 16px; font-weight: 600; color: var(--navy-800); padding: 8px 12px; cursor: pointer; font-family: inherit; }

@media (max-width: 860px) {
  .nav-toggle { display: inline-flex; }
  .nav { display: none; position: absolute; left: 0; right: 0; top: 100%; flex-direction: column; align-items: stretch; background: var(--white); border-bottom: 1px solid var(--line); padding: 8px 20px 16px; box-shadow: var(--shadow); }
  .nav.is-open { display: flex; }
  .nav a { padding: 14px 8px; font-size: 18px; border-bottom: 1px solid var(--line); }
  .nav a[aria-current="page"] { box-shadow: inset 3px 0 0 var(--gold); padding-left: 14px; }
  .nav .nav-cta { margin: 12px 0 0; text-align: center; border-bottom: none; }
}

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 50px; padding: 12px 24px; border-radius: var(--r-sm); font-family: var(--f-body); font-size: 17px; font-weight: 700; text-decoration: none; border: 2px solid transparent; cursor: pointer; transition: background .15s, color .15s, border-color .15s; line-height: 1.2; }
.btn-primary { background: var(--gold); color: var(--navy-900); }
.btn-primary:hover { background: #C9A45C; color: var(--navy-900); }
.btn-navy { background: var(--navy-800); color: var(--white); }
.btn-navy:hover { background: var(--navy-700); color: var(--white); }
.btn-ghost { background: transparent; color: var(--navy-800); border-color: var(--navy-800); }
.btn-ghost:hover { background: var(--navy-800); color: var(--white); }
.btn-ghost-light { background: transparent; color: var(--white); border-color: rgba(255,255,255,.55); }
.btn-ghost-light:hover { border-color: var(--white); background: rgba(255,255,255,.08); color: var(--white); }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; }
.btn-sm { min-height: 44px; padding: 10px 18px; font-size: 16px; }
.btn[aria-disabled="true"] { opacity: .6; cursor: default; }

/* Hero */
.hero { background: var(--navy-800); color: var(--white); padding: clamp(48px, 7vw, 88px) 0; position: relative; overflow: hidden; }
.hero::after { content: ""; position: absolute; inset: auto -10% -60% 45%; height: 120%; background: radial-gradient(closest-side, rgba(184,146,74,.16), transparent); pointer-events: none; }
.hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(32px, 5vw, 64px); align-items: center; position: relative; z-index: 1; }
.hero h1 { color: var(--white); max-width: 17ch; }
.hero .lede { color: #D5DEEA; }
.hero .eyebrow { color: var(--gold-200); }
.hero-points { list-style: none; padding: 0; margin: 28px 0 0; display: grid; gap: 10px; }
.hero-points li { display: flex; gap: 12px; align-items: baseline; color: #E4EAF2; font-size: 17px; }
.hero-points li::before { content: ""; flex: 0 0 8px; height: 8px; border-radius: 50%; background: var(--gold); transform: translateY(-2px); }
.hero-figure { margin: 0; }
.hero-figure img { border-radius: var(--r-lg); box-shadow: 0 24px 60px rgba(0,0,0,.35); aspect-ratio: 1; object-fit: cover; width: 100%; }
.hero-figure figcaption { font-size: 14px; color: #AFC0D4; margin-top: 10px; }
.page-hero { background: var(--navy-800); color: var(--white); padding: clamp(44px, 6vw, 72px) 0; }
.page-hero h1 { color: var(--white); max-width: 22ch; }
.page-hero .lede { color: #D5DEEA; }
.page-hero .eyebrow { color: var(--gold-200); }
.page-hero a:not(.btn) { color: var(--gold-200); }
@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-figure { max-width: 440px; }
}

/* Notice strip */
.notice { background: var(--navy-50); border-bottom: 1px solid var(--line); padding: 14px 0; font-size: 15px; color: var(--ink-2); }

/* Cards & grids */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px, 4vw, 56px); align-items: center; }
@media (max-width: 860px) { .grid-3, .grid-2 { grid-template-columns: 1fr; } }
.card { background: var(--white); border: 1px solid var(--line); border-radius: var(--r-md); padding: 26px; }
.section-alt .card { box-shadow: 0 1px 2px rgba(8,22,40,.04); }
.step-num { display: inline-flex; width: 36px; height: 36px; border-radius: 50%; align-items: center; justify-content: center; background: var(--navy-800); color: var(--gold-200); font-weight: 700; font-size: 16px; margin-bottom: 14px; }
.card p:last-child { margin-bottom: 0; }

/* Product cards */
.products { display: grid; grid-template-columns: repeat(auto-fill, minmax(255px, 1fr)); gap: 20px; }
.product { display: flex; flex-direction: column; background: var(--white); border: 1px solid var(--line); border-radius: var(--r-md); padding: 24px; }
.product-top { display: flex; flex-direction: column; align-items: flex-start; gap: 8px; margin-bottom: 6px; }
.product h3 { font-size: 28px; margin: 0; white-space: nowrap; }
.product .type { color: var(--muted); font-size: 16px; margin: 0 0 16px; }
.status { display: inline-block; font-size: 13px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; padding: 5px 10px; border-radius: 999px; white-space: nowrap; }
.status-buy { background: #E3F2EA; color: var(--ok); }
.status-ask { background: var(--warn-bg); color: var(--warn); }
.facts { list-style: none; padding: 0; margin: 0 0 18px; border-top: 1px solid var(--line); }
.facts li { display: flex; justify-content: space-between; gap: 12px; padding: 9px 0; border-bottom: 1px solid var(--line); font-size: 16px; }
.facts span:first-child { color: var(--muted); }
.facts span:last-child { font-weight: 600; color: var(--ink); text-align: right; }
.product .note { font-size: 15px; color: var(--muted); margin: 0 0 18px; }
.product .btn-row { margin-top: auto; }
.product .btn { flex: 1 1 auto; }
.source { font-size: 14px; color: var(--muted); margin-top: 18px; }

/* Tables */
.spec-table { width: 100%; border-collapse: collapse; margin: 0 0 24px; font-size: 17px; }
.spec-table th, .spec-table td { text-align: left; padding: 12px 0; border-bottom: 1px solid var(--line); vertical-align: top; }
.spec-table th { color: var(--muted); font-weight: 600; width: 42%; padding-right: 16px; }

/* FAQ */
.faq-list { max-width: 820px; }
.faq-list details { border: 1px solid var(--line); border-radius: var(--r-md); background: var(--white); margin-bottom: 12px; }
.faq-list summary { cursor: pointer; list-style: none; padding: 20px 56px 20px 22px; font-weight: 700; font-size: 19px; color: var(--navy-800); position: relative; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; position: absolute; right: 22px; top: 50%; transform: translateY(-50%); font-size: 26px; color: var(--gold-600); font-weight: 400; }
.faq-list details[open] summary::after { content: "–"; }
.faq-list .answer { padding: 0 22px 20px; }
.faq-list .answer p:last-child { margin-bottom: 0; }
.faq-group { margin-bottom: 36px; }
.faq-group > h2 { font-size: 26px; margin-bottom: 16px; }

/* Contact */
.contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(28px, 4vw, 48px); align-items: start; }
@media (max-width: 860px) { .contact-grid { grid-template-columns: 1fr; } }
.contact-methods { display: grid; gap: 12px; }
.method { display: flex; gap: 16px; align-items: center; padding: 18px 20px; border: 1px solid var(--line); border-radius: var(--r-md); background: var(--white); text-decoration: none; color: var(--ink); transition: border-color .15s, box-shadow .15s; }
a.method:hover { border-color: var(--gold); box-shadow: var(--shadow); color: var(--ink); }
.method .ico { flex: 0 0 46px; height: 46px; border-radius: 50%; background: var(--navy-800); color: var(--gold-200); display: flex; align-items: center; justify-content: center; }
.method .ico svg { width: 22px; height: 22px; }
.method strong { display: block; font-size: 17px; color: var(--navy-800); }
.method span { font-size: 17px; color: var(--ink-2); word-break: break-word; }
.form-card { background: var(--white); border: 1px solid var(--line); border-radius: var(--r-lg); padding: clamp(22px, 3vw, 34px); box-shadow: var(--shadow); }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 560px) { .field-row { grid-template-columns: 1fr; } }
.field-label { display: block; font-weight: 700; font-size: 16px; margin: 0 0 6px; color: var(--navy-800); }
.field-label .opt { font-weight: 400; color: var(--muted); }
.field { width: 100%; font: inherit; font-size: 17px; padding: 12px 14px; border: 1.5px solid #B9C5D4; border-radius: var(--r-sm); background: var(--white); color: var(--ink); margin-bottom: 16px; }
.field:focus { outline: none; border-color: var(--navy-600); box-shadow: 0 0 0 3px rgba(30,68,112,.18); }
textarea.field { min-height: 140px; resize: vertical; }
.form-card .btn { width: 100%; }

/* Alerts */
.alert { border-radius: var(--r-sm); padding: 14px 16px; font-size: 16px; margin: 16px 0 0; border: 1px solid transparent; }
.alert.info { background: var(--navy-50); border-color: var(--line); color: var(--ink-2); }
.alert.success { background: #E3F2EA; border-color: #B7DCC8; color: #145238; }
.alert.error { background: #FCE8E6; border-color: #F2B8B5; color: #8C1D18; }
.alert.warn { background: var(--warn-bg); border-color: #F0D9A8; color: #5E3E00; }

/* CTA band */
.cta-band { background: var(--navy-800); color: var(--white); text-align: center; }
.cta-band h2 { color: var(--white); }
.cta-band p { color: #D5DEEA; max-width: 56ch; margin-left: auto; margin-right: auto; }
.cta-band .btn-row { justify-content: center; margin-top: 24px; }

/* Prose */
.prose { max-width: 70ch; }
.prose h2 { margin-top: 1.4em; font-size: 28px; }
.prose ul { padding-left: 1.2em; color: var(--ink-2); }
.prose li { margin-bottom: .4em; }

/* Footer */
.site-footer { background: var(--navy-900); color: #B9C6D6; padding: 56px 0 28px; font-size: 16px; }
.site-footer a { color: #E4EAF2; text-decoration: none; }
.site-footer a:hover { color: var(--gold-200); text-decoration: underline; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 32px; }
@media (max-width: 860px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .footer-grid { grid-template-columns: 1fr; } }
.site-footer h4 { color: var(--white); font-size: 15px; letter-spacing: .1em; text-transform: uppercase; margin: 0 0 12px; font-family: var(--f-body); }
.site-footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.site-footer p { color: #B9C6D6; font-size: 15px; }
.site-footer .brand { color: var(--white); margin-bottom: 12px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.12); margin-top: 36px; padding-top: 20px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; font-size: 14px; }
.footer-bottom p { margin: 0; font-size: 14px; }
.social { display: flex; flex-wrap: wrap; gap: 16px; }

/* Reveal (kept subtle; respects reduced motion) */
.reveal { opacity: 1; }
@media (prefers-reduced-motion: no-preference) {
  .js .reveal { opacity: 0; transform: translateY(12px); transition: opacity .5s ease, transform .5s ease; }
  .js .reveal.is-visible { opacity: 1; transform: none; }
}

/* Model photos on product cards */
.product-photo { margin: -24px -24px 18px; aspect-ratio: 1 / 1; background: var(--navy-50); border-bottom: 1px solid var(--line); border-radius: var(--r-md) var(--r-md) 0 0; overflow: hidden; }
.product-photo img { width: 100%; height: 100%; object-fit: cover; }
.product-photo-empty { display: flex; align-items: center; justify-content: center; }
.product-photo-empty span { font-size: 15px; font-weight: 600; color: var(--muted); letter-spacing: .02em; }
@media (max-width: 560px) { .product-photo-empty { aspect-ratio: 3 / 1; } }
@media (min-width: 900px) { .products-6 { grid-template-columns: repeat(3, 1fr); } }
