:root {
    --vault: #16120D;
    --vault-2: #211B14;
    --vault-3: #2C2519;
    --bullion: #C6A25C;
    --bullion-hi: #E8CE8A;
    --bullion-deep: #9C7B3A;
    --paper: #F2F1EC;
    --surface: #FFFFFF;
    --ink: #221E18;
    --muted: #7C766B;
    --muted-2: #A7A196;
    --line: #E4E1D8;
    --line-dark: #3A3225;
    --pos: #3E8E5A;
    --neg: #B4553F;
    --shadow: 0 1px 2px rgba(30, 24, 15, .05), 0 12px 32px -12px rgba(30, 24, 15, .18);
    --r: 14px;
}

* {
    box-sizing: border-box
}

html {
    scroll-behavior: smooth
}

body {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font-family: "Manrope", system-ui, sans-serif;
    font-size: 16px;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3 {
    font-family: "Fraunces", Georgia, serif;
    font-weight: 600;
    line-height: 1.08;
    letter-spacing: -.01em;
    margin: 0
}

.mono {
    font-family: "IBM Plex Mono", monospace;
    font-variant-numeric: tabular-nums
}

a {
    color: inherit
}

img {
    max-width: 100%
}

.wrap {
    width: min(1140px, 92vw);
    margin-inline: auto
}

.eyebrow {
    font-size: .72rem;
    letter-spacing: .22em;
    text-transform: uppercase;
    font-weight: 700;
    color: var(--bullion-deep)
}

.section {
    padding: 88px 0
}

.section-head {
    max-width: 640px;
    margin-bottom: 44px
}

.section-head h2 {
    font-size: clamp(1.9rem, 4vw, 2.75rem);
    margin: 14px 0 12px
}

.section-head p {
    color: var(--muted);
    margin: 0;
    font-size: 1.05rem
}

/* ---------- top bar ---------- */
header.nav {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(22, 18, 13, .92);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--line-dark)
}

.nav-in {
    display: flex;
    align-items: center;
    gap: 28px;
    height: 66px
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: "Fraunces", serif;
    font-weight: 600;
    font-size: 1.28rem;
    color: #fff;
    letter-spacing: .01em;
    text-decoration: none
}

.brand .mark {
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: radial-gradient(circle at 32% 28%, var(--bullion-hi), var(--bullion) 45%, var(--bullion-deep) 100%);
    box-shadow: 0 0 0 4px rgba(198, 162, 92, .14)
}

.brand em {
    font-style: normal;
    color: var(--bullion)
}

.nav-links {
    display: flex;
    gap: 26px;
    margin-left: auto
}

.nav-links a {
    color: #D9D2C4;
    text-decoration: none;
    font-size: .92rem;
    font-weight: 600;
    padding: 6px 0;
    position: relative;
    white-space: nowrap
}

.nav-links a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -2px;
    width: 0;
    height: 2px;
    background: var(--bullion);
    transition: width .25s
}

.nav-links a:hover::after,
.nav-links a:focus::after {
    width: 100%
}

.wa-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--bullion);
    color: #211B14;
    font-weight: 700;
    font-size: .9rem;
    padding: 10px 16px;
    border-radius: 99px;
    text-decoration: none;
    transition: transform .2s, background .2s
}

.wa-btn:hover {
    background: var(--bullion-hi);
    transform: translateY(-1px)
}

.wa-btn svg {
    width: 16px;
    height: 16px
}

.menu-toggle {
    display: none;
    margin-left: auto;
    background: none;
    border: 1px solid var(--line-dark);
    color: #fff;
    width: 42px;
    height: 42px;
    border-radius: 10px;
    cursor: pointer;
    font-size: 1.2rem
}

/* ---------- hero ---------- */
.hero {
    background: var(--vault);
    color: #F4EFE4;
    position: relative;
    overflow: hidden;
    padding: 72px 0 84px
}

.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    opacity: .5;
    pointer-events: none;
    background:
        radial-gradient(760px 380px at 82% -8%, rgba(198, 162, 92, .20), transparent 60%),
        radial-gradient(600px 500px at 6% 110%, rgba(198, 162, 92, .10), transparent 60%)
}

.hero::after {
    content: "";
    position: absolute;
    inset: 0;
    opacity: .05;
    pointer-events: none;
    background-image: repeating-linear-gradient(115deg, #C6A25C 0 1px, transparent 1px 9px)
}

.hero-grid {
    position: relative;
    display: grid;
    grid-template-columns: 1.05fr .95fr;
    gap: 56px;
    align-items: center
}

.hero h1 {
    font-size: clamp(2.4rem, 5.2vw, 4rem);
    color: #fff;
    font-weight: 600
}

.hero h1 span {
    color: var(--bullion);
    font-style: italic
}

.hero p.lede {
    color: #CFC7B7;
    font-size: 1.12rem;
    max-width: 44ch;
    margin: 22px 0 30px
}

.hero-cta {
    display: flex;
    gap: 14px;
    flex-wrap: wrap
}

.btn-primary {
    background: var(--bullion);
    color: #211B14;
    font-weight: 700;
    padding: 13px 24px;
    border-radius: 99px;
    text-decoration: none;
    transition: transform .2s, background .2s;
    border: none;
    cursor: pointer;
    font-size: .98rem
}

.btn-primary:hover {
    background: var(--bullion-hi);
    transform: translateY(-2px)
}

.btn-ghost {
    border: 1px solid var(--line-dark);
    color: #E7E0D2;
    padding: 13px 24px;
    border-radius: 99px;
    text-decoration: none;
    font-weight: 600;
    transition: border-color .2s, background .2s;
    font-size: .98rem
}

.btn-ghost:hover {
    border-color: var(--bullion);
    background: rgba(198, 162, 92, .08)
}

.trust-row {
    display: flex;
    gap: 26px;
    margin-top: 34px;
    flex-wrap: wrap
}

.trust-row div {
    font-size: .82rem;
    color: #B7AF9F;
    max-width: 150px
}

.trust-row b {
    display: block;
    font-family: "Fraunces", serif;
    font-size: 1.5rem;
    color: #fff;
    font-weight: 600
}

/* ---------- price terminal (signature) ---------- */
.terminal {
    background: linear-gradient(180deg, var(--vault-2), var(--vault-3));
    border: 1px solid var(--line-dark);
    border-radius: 18px;
    padding: 22px;
    position: relative;
    box-shadow: 0 30px 60px -30px rgba(0, 0, 0, .6)
}

.terminal-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--line-dark);
    margin-bottom: 18px
}

.terminal-top .tt-label {
    font-size: .72rem;
    letter-spacing: .16em;
    text-transform: uppercase;
    color: var(--muted-2)
}

.terminal-top .tt-date {
    font-size: .8rem;
    color: #D9D2C4
}

.pulse {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    font-size: .72rem;
    color: var(--pos);
    font-weight: 600
}

.pulse i {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--pos);
    animation: blink 1.8s infinite
}

@keyframes blink {

    0%,
    100% {
        opacity: 1;
        box-shadow: 0 0 0 0 rgba(62, 142, 90, .5)
    }

    50% {
        opacity: .55;
        box-shadow: 0 0 0 6px rgba(62, 142, 90, 0)
    }
}

.price-two {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px
}

.price-cell {
    background: rgba(0, 0, 0, .22);
    border: 1px solid var(--line-dark);
    border-radius: 12px;
    padding: 16px
}

.price-cell .lab {
    font-size: .72rem;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--muted-2);
    margin-bottom: 8px
}

.price-cell .val {
    font-size: 1.72rem;
    font-weight: 600;
    color: #fff
}

.price-cell.buy .val {
    color: var(--bullion-hi)
}

.price-cell .per {
    font-size: .72rem;
    color: var(--muted-2);
    margin-top: 4px
}

.spread-bar {
    margin-top: 16px;
    background: rgba(0, 0, 0, .22);
    border: 1px solid var(--line-dark);
    border-radius: 12px;
    padding: 14px 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px
}

.spread-bar .sp-lab {
    font-size: .78rem;
    color: var(--muted-2)
}

.spread-bar .sp-val {
    font-family: "IBM Plex Mono", monospace;
    color: #F4EFE4;
    font-weight: 500;
    font-size: .92rem
}

.mini-note {
    font-size: .72rem;
    color: var(--muted-2);
    margin-top: 14px;
    text-align: center
}

/* ---------- price chart ---------- */
.chart-card {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--r);
    padding: 26px;
    box-shadow: var(--shadow)
}

.chart-head {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 20px
}

.chart-now {
    font-family: "IBM Plex Mono", monospace;
    font-size: 1.9rem;
    font-weight: 600
}

.chg {
    display: inline-block;
    font-family: "IBM Plex Mono", monospace;
    font-size: .9rem;
    font-weight: 500;
    padding: 3px 9px;
    border-radius: 8px;
    margin-top: 6px
}

.chg.up {
    color: var(--pos);
    background: rgba(62, 142, 90, .12)
}

.chg.down {
    color: var(--neg);
    background: rgba(180, 85, 63, .12)
}

.ranges {
    display: flex;
    gap: 6px
}

.ranges button {
    font-family: "Manrope";
    font-weight: 600;
    font-size: .82rem;
    border: 1px solid var(--line);
    background: var(--surface);
    color: var(--muted);
    padding: 7px 14px;
    border-radius: 9px;
    cursor: pointer;
    transition: .18s
}

.ranges button:hover {
    border-color: var(--bullion)
}

.ranges button.active {
    background: var(--vault);
    color: #fff;
    border-color: var(--vault)
}

.chart-holder {
    position: relative
}

svg.chart {
    width: 100%;
    height: auto;
    display: block;
    overflow: visible
}

.tip {
    position: absolute;
    pointer-events: none;
    background: var(--vault);
    color: #fff;
    font-size: .78rem;
    padding: 7px 10px;
    border-radius: 8px;
    transform: translate(-50%, -130%);
    white-space: nowrap;
    opacity: 0;
    transition: opacity .12s;
    z-index: 5
}

.tip .tv {
    font-family: "IBM Plex Mono", monospace;
    color: var(--bullion-hi);
    font-weight: 600
}

/* ---------- calculators ---------- */
.calc-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px
}

.calc-card {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--r);
    padding: 28px;
    box-shadow: var(--shadow)
}

.calc-card h3 {
    font-size: 1.35rem;
    margin-bottom: 6px
}

.calc-card .sub {
    color: var(--muted);
    font-size: .9rem;
    margin-bottom: 22px
}

label.field {
    display: block;
    font-size: .82rem;
    font-weight: 700;
    color: var(--ink);
    margin-bottom: 8px;
    letter-spacing: .02em
}

.input,
select.input {
    width: 100%;
    font-family: "Manrope";
    font-size: 1rem;
    padding: 13px 14px;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: #FBFAF7;
    color: var(--ink);
    margin-bottom: 18px
}

.input:focus,
select.input:focus {
    outline: 2px solid var(--bullion);
    outline-offset: 1px;
    border-color: var(--bullion)
}

.result-box {
    background: var(--vault);
    border-radius: 12px;
    padding: 18px 20px;
    color: #fff;
    margin-top: 6px
}

.result-row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    padding: 7px 0
}

.result-row+.result-row {
    border-top: 1px solid var(--line-dark)
}

.result-row .rl {
    color: var(--muted-2);
    font-size: .86rem
}

.result-row .rv {
    font-family: "IBM Plex Mono", monospace;
    font-size: 1.15rem;
    font-weight: 600
}

.result-row .rv.gold {
    color: var(--bullion-hi)
}

.slider {
    width: 100%;
    accent-color: var(--bullion);
    margin: 6px 0 4px
}

.slider-val {
    font-family: "IBM Plex Mono", monospace;
    font-weight: 600;
    font-size: 1.05rem
}

/* ---------- catalog ---------- */
.catalog-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 26px;
    align-items: center
}

.chip {
    font-family: "Manrope";
    font-weight: 600;
    font-size: .84rem;
    border: 1px solid var(--line);
    background: var(--surface);
    color: var(--muted);
    padding: 8px 15px;
    border-radius: 99px;
    cursor: pointer;
    transition: .18s
}

.chip:hover {
    border-color: var(--bullion)
}

.chip.active {
    background: var(--vault);
    color: #fff;
    border-color: var(--vault)
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 20px
}

.card {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--r);
    padding: 22px;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    transition: transform .2s, box-shadow .2s
}

.card:hover {
    transform: translateY(-3px);
    box-shadow: 0 20px 40px -18px rgba(30, 24, 15, .28)
}

.bar-ill {
    height: 74px;
    border-radius: 9px;
    position: relative;
    margin-bottom: 16px;
    overflow: hidden;
    background: linear-gradient(135deg, var(--bullion-hi), var(--bullion) 55%, var(--bullion-deep));
    display: flex;
    align-items: center;
    justify-content: center
}

.bar-ill::after {
    content: "";
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(115deg, rgba(255, 255, 255, .18) 0 2px, transparent 2px 12px);
    opacity: .5
}

.bar-ill span {
    font-family: "Fraunces", serif;
    font-weight: 600;
    color: rgba(33, 27, 20, .7);
    font-size: .86rem;
    letter-spacing: .15em;
    position: relative
}

.card .wt {
    font-family: "Fraunces", serif;
    font-size: 1.5rem;
    font-weight: 600
}

.card .kind {
    font-size: .82rem;
    color: var(--muted);
    margin-bottom: 14px
}

.stat-line {
    display: flex;
    justify-content: space-between;
    font-size: .86rem;
    padding: 5px 0;
    border-top: 1px solid var(--line)
}

.stat-line .k {
    color: var(--muted)
}

.stat-line .v {
    font-family: "IBM Plex Mono", monospace;
    font-weight: 500
}

.stat-line .v.buy {
    color: var(--bullion-deep)
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: .74rem;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 99px;
    letter-spacing: .03em
}

.badge.ready {
    background: rgba(62, 142, 90, .12);
    color: var(--pos)
}

.badge.out {
    background: rgba(124, 118, 107, .14);
    color: var(--muted)
}

.badge i {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: currentColor
}

.card-foot {
    margin-top: auto;
    padding-top: 16px
}

.card .wa-mini {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    background: var(--vault);
    color: #fff;
    font-weight: 700;
    font-size: .86rem;
    padding: 11px;
    border-radius: 10px;
    text-decoration: none;
    transition: .2s
}

.card .wa-mini:hover {
    background: var(--bullion);
    color: #211B14
}

.card.is-out {
    opacity: .72
}

.card.is-out .wa-mini {
    background: #EDEAE2;
    color: var(--muted);
    pointer-events: none
}

/* ---------- trust / why ---------- */
.why {
    background: var(--vault);
    color: #F4EFE4
}

.why .section-head h2 {
    color: #fff
}

.why .section-head p {
    color: #C7BFAF
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px
}

.why-item {
    border: 1px solid var(--line-dark);
    border-radius: var(--r);
    padding: 26px;
    background: rgba(255, 255, 255, .02)
}

.why-item .ico {
    width: 44px;
    height: 44px;
    border-radius: 11px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(198, 162, 92, .14);
    color: var(--bullion-hi);
    margin-bottom: 16px
}

.why-item .ico svg {
    width: 22px;
    height: 22px
}

.why-item h3 {
    color: #fff;
    font-size: 1.18rem;
    margin-bottom: 8px
}

.why-item p {
    color: #BEB6A6;
    font-size: .92rem;
    margin: 0
}

.certs {
    margin-top: 34px;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center
}

.certs .cert {
    border: 1px solid var(--line-dark);
    border-radius: 10px;
    padding: 10px 16px;
    font-size: .82rem;
    color: #D9D2C4;
    display: flex;
    align-items: center;
    gap: 8px
}

.certs .cert b {
    color: var(--bullion)
}

/* ---------- FAQ ---------- */
.faq-list {
    max-width: 800px;
    margin-inline: auto
}

.faq {
    border-bottom: 1px solid var(--line)
}

.faq button {
    width: 100%;
    text-align: left;
    background: none;
    border: none;
    cursor: pointer;
    padding: 22px 4px;
    font-family: "Manrope";
    font-weight: 700;
    font-size: 1.05rem;
    color: var(--ink);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px
}

.faq button .plus {
    flex: 0 0 auto;
    width: 26px;
    height: 26px;
    border: 1px solid var(--line);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: .25s;
    color: var(--bullion-deep);
    font-size: 1.1rem
}

.faq.open button .plus {
    transform: rotate(45deg);
    background: var(--bullion);
    color: #211B14;
    border-color: var(--bullion)
}

.faq .ans {
    max-height: 0;
    overflow: hidden;
    transition: max-height .3s ease;
    color: var(--muted)
}

.faq .ans p {
    margin: 0 4px 24px;
    font-size: .98rem
}

.faq.open .ans {
    max-height: 320px
}

/* ---------- contact ---------- */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 34px;
    align-items: stretch
}

.contact-info h3 {
    font-size: 1.6rem;
    margin-bottom: 18px
}

.info-line {
    display: flex;
    gap: 14px;
    padding: 15px 0;
    border-bottom: 1px solid var(--line)
}

.info-line .ico {
    flex: 0 0 auto;
    color: var(--bullion-deep)
}

.info-line .ico svg {
    width: 20px;
    height: 20px
}

.info-line b {
    display: block;
    font-size: .98rem
}

.info-line span {
    color: var(--muted);
    font-size: .9rem
}

.map-embed {
    border-radius: var(--r);
    overflow: hidden;
    border: 1px solid var(--line);
    min-height: 340px;
    background: linear-gradient(135deg, #E9E6DE, #F4F2EC);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--muted);
    text-align: center;
    padding: 24px;
    font-size: .9rem
}

/* ---------- footer ---------- */
footer {
    background: var(--vault);
    color: #C7BFAF;
    padding: 54px 0 30px;
    border-top: 1px solid var(--line-dark)
}

.foot-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr;
    gap: 36px;
    padding-bottom: 34px;
    border-bottom: 1px solid var(--line-dark)
}

footer .brand {
    margin-bottom: 14px
}

footer p.tag {
    max-width: 32ch;
    font-size: .9rem;
    line-height: 1.6
}

footer h4 {
    color: #fff;
    font-family: "Manrope";
    font-size: .82rem;
    letter-spacing: .14em;
    text-transform: uppercase;
    margin: 0 0 16px
}

footer ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 11px
}

footer ul a {
    color: #BEB6A6;
    text-decoration: none;
    font-size: .92rem
}

footer ul a:hover {
    color: var(--bullion)
}

.foot-bottom {
    padding-top: 22px;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
    font-size: .8rem;
    color: #8F887A
}


/* ---------- toast notification ---------- */
.toast {
    position: fixed;
    bottom: 24px;
    left: 24px;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 16px 20px;
    display: flex;
    align-items: center;
    gap: 14px;
    box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.15);
    z-index: 999;
    transform: translateY(150%);
    opacity: 0;
    transition: 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.toast.show {
    transform: translateY(0);
    opacity: 1;
}

.toast-icon {
    width: 32px;
    height: 32px;
    background: rgba(198, 162, 92, 0.15);
    color: var(--bullion);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
}

.toast-title {
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--ink);
    margin-bottom: 4px;
}

.toast-msg {
    font-size: 0.8rem;
    color: var(--muted);
}

.toast-close {
    background: none;
    border: none;
    color: var(--muted);
    font-size: 1.2rem;
    cursor: pointer;
    margin-left: 10px;
}

.toast-close:hover {
    color: var(--ink);
}

/* ---------- calc toggle ---------- */
.calc-toggle {
    display: flex;
    background: var(--paper);
    border-radius: 8px;
    padding: 4px;
    border: 1px solid var(--line);
}

.calc-toggle button {
    background: transparent;
    border: none;
    color: var(--muted);
    padding: 6px 16px;
    font-size: 0.85rem;
    font-weight: 700;
    border-radius: 6px;
    cursor: pointer;
    transition: 0.2s;
    font-family: inherit;
}

.calc-toggle button:hover {
    color: var(--ink);
}

.calc-toggle button.active {
    background: var(--bullion);
    color: #16120D;
    box-shadow: 0 2px 8px rgba(198, 162, 92, 0.4);
}

/* ---------- disclaimer ---------- */
.disclaimer {
    background: rgba(198, 162, 92, .07);
    border: 1px solid var(--line-dark);
    border-radius: 10px;
    padding: 14px 16px;
    font-size: .8rem;
    color: #8B857A;
    margin-top: 26px;
    line-height: 1.55
}

/* ---------- announcement banner ---------- */
#announceBanner {
    background: linear-gradient(90deg, var(--bullion-deep), var(--bullion), var(--bullion-deep));
    color: #16120D;
    text-align: center;
    padding: 11px 20px;
    font-weight: 700;
    font-size: .88rem;
    position: relative;
    z-index: 200;
    letter-spacing: .01em;
    animation: bannerShimmer 4s ease infinite;
    background-size: 200% 100%
}

@keyframes bannerShimmer {

    0%,
    100% {
        background-position: 0% 50%
    }

    50% {
        background-position: 100% 50%
    }
}

/* ---------- card entrance animation ---------- */
.grid .card {
    animation: cardIn .45s ease both
}

.grid .card:nth-child(2) {
    animation-delay: .06s
}

.grid .card:nth-child(3) {
    animation-delay: .12s
}

.grid .card:nth-child(4) {
    animation-delay: .18s
}

.grid .card:nth-child(5) {
    animation-delay: .24s
}

.grid .card:nth-child(6) {
    animation-delay: .30s
}

.grid .card:nth-child(7) {
    animation-delay: .36s
}

.grid .card:nth-child(8) {
    animation-delay: .42s
}

@keyframes cardIn {
    from {
        opacity: 0;
        transform: translateY(18px)
    }

    to {
        opacity: 1;
        transform: translateY(0)
    }
}

/* ---------- enhanced catalog hover ---------- */
.grid .card:hover .bar-ill {
    filter: brightness(1.08)
}

/* ---------- scroll-to-top button ---------- */
#scrollTopBtn {
    position: fixed;
    bottom: 28px;
    right: 28px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--vault);
    color: var(--bullion);
    border: 1px solid var(--line-dark);
    font-size: 1.3rem;
    cursor: pointer;
    z-index: 90;
    display: none;
    align-items: center;
    justify-content: center;
    transition: .25s;
    box-shadow: 0 6px 20px -6px rgba(0, 0, 0, .4)
}

#scrollTopBtn:hover {
    background: var(--bullion);
    color: #16120D;
    transform: translateY(-3px)
}

#scrollTopBtn.show {
    display: flex
}

/* ---------- responsive ---------- */
@media(max-width:900px) {

    .nav-links,
    .nav .nav-in>.wa-btn {
        display: none
    }

    .menu-toggle {
        display: block
    }

    .nav-links.open {
        display: flex;
        position: absolute;
        top: 66px;
        left: 0;
        right: 0;
        flex-direction: column;
        background: var(--vault);
        padding: 18px 6vw 24px;
        gap: 18px;
        border-bottom: 1px solid var(--line-dark)
    }

    .nav-links.open .wa-btn {
        display: inline-flex;
        width: max-content
    }

    .hero-grid {
        grid-template-columns: 1fr;
        gap: 40px
    }

    .why-grid {
        grid-template-columns: 1fr
    }

    .calc-grid,
    .contact-grid {
        grid-template-columns: 1fr
    }

    .foot-grid {
        grid-template-columns: 1fr;
        gap: 28px
    }
}

@media(max-width:520px) {
    .price-two {
        grid-template-columns: 1fr
    }

    .section {
        padding: 64px 0
    }
}

@media(prefers-reduced-motion:reduce) {
    * {
        animation: none !important;
        transition: none !important;
        scroll-behavior: auto
    }
}