/* =========================================================
   Alph4 — Properties & Super Cars
   Plain HTML/CSS. All class names prefixed with `blv-` to
   avoid collisions with anything else on the host.
   ========================================================= */

:root {
    --blv-navy-deep: #050a1c;
    --blv-navy: #0a1230;
    --blv-navy-2: #0e1a44;
    --blv-royal: #1e3fb5;
    --blv-royal-bright: #2f5cff;
    --blv-silver: #c9d4e6;
    --blv-silver-bright: #eef2fb;
    --blv-white: #ffffff;
    --blv-accent: #6aa6ff;
    --blv-gold: #d4af37;
    --blv-gold-bright: #f1cc5b;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html,
body {
    min-height: 100%;
}

body {
    font-family: 'Manrope', system-ui, -apple-system, 'Segoe UI', sans-serif;
    color: var(--blv-silver-bright);
    background-color: var(--blv-navy-deep);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

/* ========== Backgrounds ========== */
.blv-bg-property {
    position: fixed;
    inset: 0;
    z-index: 0;
    background-image: url("property-bg.jpg");
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    filter: saturate(0.9) brightness(0.85);
    pointer-events: none;
    animation: blv-slow-zoom 30s ease-in-out infinite alternate;
}

.blv-bg-cars {
    position: fixed;
    inset: 0;
    z-index: 0;
    background:
        radial-gradient(ellipse at 30% 30%, rgba(212, 175, 55, 0.10) 0%, transparent 55%),
        radial-gradient(ellipse at 75% 70%, rgba(47, 92, 255, 0.08) 0%, transparent 55%),
        linear-gradient(180deg, #0a0806 0%, #050a1c 50%, #02040f 100%);
    pointer-events: none;
}

.blv-bg-landing {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    background:
        radial-gradient(ellipse at 30% 30%, rgba(47, 92, 255, 0.18) 0%, transparent 55%),
        radial-gradient(ellipse at 75% 70%, rgba(212, 175, 55, 0.10) 0%, transparent 55%),
        linear-gradient(180deg, #050a1c 0%, #02040f 100%);
}

.blv-bg-overlay {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    background:
        radial-gradient(ellipse at 50% 35%, rgba(20, 37, 106, 0.18) 0%, rgba(6, 12, 37, 0.55) 55%, rgba(2, 4, 15, 0.85) 100%),
        linear-gradient(180deg, rgba(5, 10, 28, 0.35) 0%, rgba(5, 10, 28, 0.45) 50%, rgba(2, 4, 15, 0.85) 100%);
}

.blv-stars {
    position: fixed;
    inset: 0;
    pointer-events: none;
    background-image:
        radial-gradient(1px 1px at 12% 18%, rgba(255, 255, 255, 0.6), transparent 60%),
        radial-gradient(1px 1px at 78% 22%, rgba(255, 255, 255, 0.45), transparent 60%),
        radial-gradient(1.5px 1.5px at 42% 8%, rgba(180, 210, 255, 0.6), transparent 60%),
        radial-gradient(1px 1px at 88% 70%, rgba(255, 255, 255, 0.4), transparent 60%),
        radial-gradient(1.2px 1.2px at 60% 52%, rgba(255, 255, 255, 0.45), transparent 60%),
        radial-gradient(1.4px 1.4px at 95% 40%, rgba(255, 255, 255, 0.45), transparent 60%);
    background-repeat: repeat;
    background-size: 1200px 800px;
    opacity: 0.55;
    animation: blv-drift 120s linear infinite;
    z-index: 1;
}

.blv-glow {
    position: fixed;
    left: 50%;
    top: 38%;
    width: 90vw;
    max-width: 900px;
    aspect-ratio: 1 / 1;
    transform: translate(-50%, -50%);
    background: radial-gradient(circle, rgba(47, 92, 255, 0.22) 0%, rgba(30, 63, 181, 0.08) 35%, transparent 65%);
    filter: blur(40px);
    pointer-events: none;
    z-index: 1;
    animation: blv-pulse 7s ease-in-out infinite;
}

.blv-glow-gold {
    background: radial-gradient(circle, rgba(212, 175, 55, 0.22) 0%, rgba(180, 130, 30, 0.08) 35%, transparent 65%);
}

@keyframes blv-slow-zoom {
    from { transform: scale(1); }
    to   { transform: scale(1.08); }
}
@keyframes blv-drift {
    from { background-position: 0 0; }
    to   { background-position: 1200px 800px; }
}
@keyframes blv-pulse {
    0%, 100% { opacity: 0.85; transform: translate(-50%, -50%) scale(1); }
    50%      { opacity: 1;    transform: translate(-50%, -50%) scale(1.06); }
}

/* ========== Page wrapper ========== */
.blv-page {
    position: relative;
    z-index: 2;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    padding: 40px 24px 32px;
    text-align: center;
}

/* ========== Locations ribbon ========== */
.blv-locations {
    display: flex;
    align-items: center;
    gap: 14px;
    font-family: 'Manrope', sans-serif;
    font-size: 13px;
    letter-spacing: 0.42em;
    text-transform: uppercase;
    color: var(--blv-silver);
    padding: 12px 22px;
    border: 1px solid rgba(201, 212, 230, 0.18);
    border-radius: 999px;
    background: rgba(10, 18, 48, 0.45);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    animation: blv-fade-down 0.9s ease-out both;
}

.blv-locations .blv-dot {
    color: var(--blv-accent);
    opacity: 0.9;
}

/* ========== Hero ========== */
.blv-hero {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 28px;
    max-width: 760px;
    margin: 40px auto;
    animation: blv-fade-up 1s ease-out 0.15s both;
}

.blv-logo {
    width: 280px;
    height: auto;
    max-width: 90vw;
    object-fit: contain;
    border-radius: 18px;
    filter: drop-shadow(0 12px 60px rgba(47, 92, 255, 0.55));
    animation: blv-float 6s ease-in-out infinite;
}

.blv-logo-gold {
    filter: drop-shadow(0 12px 60px rgba(212, 175, 55, 0.45));
}

.blv-title {
    font-family: 'Montserrat', sans-serif;
    font-weight: 800;
    line-height: 0.95;
    letter-spacing: 0.04em;
    margin-top: 6px;
    text-transform: uppercase;
}

.blv-title-line {
    display: block;
    font-size: clamp(48px, 9vw, 110px);
    background: linear-gradient(180deg, #ffffff 0%, #c9d4e6 55%, #6f8bd0 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-shadow: 0 2px 30px rgba(110, 150, 255, 0.25);
}

.blv-title-line.blv-accent {
    background: linear-gradient(180deg, #6aa6ff 0%, #2f5cff 60%, #1e3fb5 100%);
    -webkit-background-clip: text;
    background-clip: text;
    letter-spacing: 0.18em;
    margin-top: 6px;
}

.blv-title-line.blv-accent-gold {
    background: linear-gradient(180deg, #f1cc5b 0%, #d4af37 60%, #8a6d18 100%);
    -webkit-background-clip: text;
    background-clip: text;
    letter-spacing: 0.18em;
    margin-top: 6px;
}

.blv-tagline {
    font-size: clamp(15px, 1.6vw, 18px);
    color: var(--blv-silver);
    max-width: 620px;
    line-height: 1.55;
    font-weight: 300;
    letter-spacing: 0.02em;
}

.blv-intro {
    margin-top: 6px;
    padding: 22px 26px;
    border: 1px solid rgba(201, 212, 230, 0.12);
    background: rgba(10, 18, 48, 0.45);
    border-radius: 14px;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    max-width: 640px;
    text-align: left;
}

.blv-intro p {
    font-size: 15px;
    line-height: 1.7;
    color: rgba(238, 242, 251, 0.82);
}

.blv-intro p + p {
    margin-top: 12px;
}

.blv-intro strong {
    color: var(--blv-white);
    font-weight: 600;
}

.blv-intro-sub {
    text-align: center;
    color: var(--blv-accent) !important;
    font-size: 14px !important;
    letter-spacing: 0.06em;
}

.blv-intro-sub.blv-gold {
    color: var(--blv-gold-bright) !important;
}

.blv-address {
    margin-top: 10px;
    color: rgba(201, 212, 230, 0.72);
    font-size: 13px;
    letter-spacing: 0.06em;
}

/* ========== CTA ========== */
.blv-cta {
    display: inline-block;
    margin-top: 6px;
    padding: 16px 40px;
    font-family: 'Manrope', sans-serif;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--blv-white);
    text-decoration: none;
    background: linear-gradient(135deg, #2f5cff 0%, #1e3fb5 100%);
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 999px;
    box-shadow:
        0 10px 40px rgba(47, 92, 255, 0.45),
        inset 0 1px 0 rgba(255, 255, 255, 0.25);
    transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
    cursor: pointer;
}

.blv-cta:hover {
    transform: translateY(-2px);
    box-shadow:
        0 14px 50px rgba(47, 92, 255, 0.6),
        inset 0 1px 0 rgba(255, 255, 255, 0.3);
    background: linear-gradient(135deg, #4a74ff 0%, #2747c9 100%);
}

.blv-cta:active {
    transform: translateY(0);
}

.blv-cta-gold {
    background: linear-gradient(135deg, #f1cc5b 0%, #b48817 100%);
    box-shadow:
        0 10px 40px rgba(212, 175, 55, 0.35),
        inset 0 1px 0 rgba(255, 255, 255, 0.3);
    color: #1a1306;
}

.blv-cta-gold:hover {
    background: linear-gradient(135deg, #ffe07a 0%, #d4a423 100%);
    box-shadow:
        0 14px 50px rgba(212, 175, 55, 0.5),
        inset 0 1px 0 rgba(255, 255, 255, 0.35);
}

/* ========== Footer ========== */
.blv-foot {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 14px;
    margin-top: 32px;
    padding-top: 18px;
    width: 100%;
    max-width: 720px;
    color: var(--blv-silver);
    font-size: 14px;
    border-top: 1px solid rgba(201, 212, 230, 0.12);
    animation: blv-fade-up 1s ease-out 0.4s both;
}

.blv-foot a {
    color: var(--blv-silver-bright);
    text-decoration: none;
    letter-spacing: 0.08em;
    transition: color 0.2s ease;
}

.blv-foot a:hover {
    color: var(--blv-accent);
}

.blv-foot .blv-sep {
    color: rgba(201, 212, 230, 0.4);
}

.blv-foot .blv-copy {
    flex-basis: 100%;
    margin-top: 6px;
    font-size: 12px;
    letter-spacing: 0.12em;
    color: rgba(201, 212, 230, 0.55);
    text-transform: uppercase;
}

/* ========== Back link ========== */
.blv-back {
    position: absolute;
    top: 28px;
    left: 28px;
    z-index: 5;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    border-radius: 999px;
    border: 1px solid rgba(201, 212, 230, 0.22);
    background: rgba(10, 18, 48, 0.5);
    backdrop-filter: blur(8px);
    color: var(--blv-silver-bright);
    text-decoration: none;
    font-size: 12px;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    transition: background 0.25s ease, transform 0.25s ease, border-color 0.25s ease;
}

.blv-back:hover {
    background: rgba(20, 37, 106, 0.65);
    transform: translateX(-3px);
    border-color: rgba(106, 166, 255, 0.5);
}

.blv-back-gold:hover {
    border-color: rgba(241, 204, 91, 0.55);
    background: rgba(60, 42, 8, 0.55);
}

/* =========================================================
   LANDING PAGE
   ========================================================= */
.blv-landing {
    position: relative;
    z-index: 2;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 56px 24px 40px;
    text-align: center;
}

.blv-landing-logo {
    width: 240px;
    max-width: 75vw;
    height: auto;
    object-fit: contain;
    border-radius: 18px;
    filter: drop-shadow(0 12px 60px rgba(47, 92, 255, 0.45));
    animation: blv-float 6s ease-in-out infinite, blv-fade-up 0.9s ease-out both;
}

.blv-landing-tagline {
    margin-top: 28px;
    font-family: 'Montserrat', sans-serif;
    text-transform: uppercase;
    letter-spacing: 0.34em;
    font-size: clamp(13px, 1.4vw, 16px);
    color: var(--blv-silver);
    animation: blv-fade-up 1s ease-out 0.15s both;
}

.blv-landing-tagline .blv-bullet {
    color: var(--blv-accent);
    margin: 0 14px;
    opacity: 0.85;
}

.blv-landing-tagline .blv-bullet.blv-bullet-gold {
    color: var(--blv-gold-bright);
}

.blv-headline {
    margin-top: 18px;
    font-family: 'Montserrat', sans-serif;
    font-weight: 800;
    font-size: clamp(28px, 4.2vw, 52px);
    line-height: 1.05;
    letter-spacing: 0.02em;
    background: linear-gradient(180deg, #ffffff 0%, #c9d4e6 55%, #6f8bd0 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    max-width: 820px;
    animation: blv-fade-up 1s ease-out 0.25s both;
}

.blv-cards {
    margin-top: 56px;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 28px;
    width: 100%;
    max-width: 1100px;
    animation: blv-fade-up 1s ease-out 0.35s both;
}

.blv-card {
    position: relative;
    display: block;
    aspect-ratio: 4 / 5;
    overflow: hidden;
    border-radius: 22px;
    text-decoration: none;
    color: var(--blv-white);
    border: 1px solid rgba(201, 212, 230, 0.16);
    box-shadow:
        0 20px 60px rgba(0, 0, 0, 0.55),
        inset 0 1px 0 rgba(255, 255, 255, 0.08);
    transition: transform 0.5s cubic-bezier(.2,.7,.2,1), box-shadow 0.5s ease, border-color 0.4s ease;
    isolation: isolate;
}

.blv-card:hover {
    transform: translateY(-6px) scale(1.01);
    box-shadow:
        0 30px 80px rgba(0, 0, 0, 0.65),
        0 0 0 1px rgba(106, 166, 255, 0.35) inset;
}

.blv-card-cars:hover {
    box-shadow:
        0 30px 80px rgba(0, 0, 0, 0.65),
        0 0 0 1px rgba(241, 204, 91, 0.45) inset;
}

.blv-card-img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 1.2s cubic-bezier(.2,.7,.2,1), filter 0.6s ease;
    filter: saturate(0.95) brightness(0.85);
}

.blv-card:hover .blv-card-img {
    transform: scale(1.08);
    filter: saturate(1.05) brightness(0.92);
}

.blv-card-shade {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(180deg, rgba(5, 10, 28, 0.15) 0%, rgba(5, 10, 28, 0.55) 55%, rgba(2, 4, 15, 0.92) 100%);
    z-index: 1;
}

.blv-card-cars .blv-card-shade {
    background:
        linear-gradient(180deg, rgba(20, 12, 2, 0.15) 0%, rgba(20, 12, 2, 0.55) 55%, rgba(8, 5, 1, 0.92) 100%);
}

.blv-card-body {
    position: absolute;
    inset: auto 0 0 0;
    z-index: 2;
    padding: 28px 30px 32px;
    text-align: left;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.blv-card-kicker {
    font-family: 'Manrope', sans-serif;
    font-size: 11px;
    letter-spacing: 0.42em;
    text-transform: uppercase;
    color: var(--blv-silver);
}

.blv-card-cars .blv-card-kicker {
    color: var(--blv-gold-bright);
}

.blv-card-title {
    font-family: 'Montserrat', sans-serif;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-size: clamp(28px, 3.6vw, 44px);
    line-height: 1;
    color: var(--blv-white);
}

.blv-card-sub {
    font-family: 'Manrope', sans-serif;
    font-size: 14px;
    color: rgba(238, 242, 251, 0.78);
    max-width: 320px;
    line-height: 1.5;
    margin-top: 4px;
}

.blv-card-arrow {
    margin-top: 18px;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 12px;
    letter-spacing: 0.32em;
    text-transform: uppercase;
    color: var(--blv-silver-bright);
    transition: gap 0.3s ease, color 0.3s ease;
}

.blv-card-cars .blv-card-arrow {
    color: var(--blv-gold-bright);
}

.blv-card:hover .blv-card-arrow {
    gap: 18px;
}

.blv-card-arrow svg {
    transition: transform 0.3s ease;
}

.blv-card:hover .blv-card-arrow svg {
    transform: translateX(4px);
}

.blv-landing-foot {
    margin-top: auto;
    padding-top: 40px;
    width: 100%;
    max-width: 1100px;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 14px;
    color: rgba(201, 212, 230, 0.6);
    font-size: 12px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    animation: blv-fade-up 1s ease-out 0.5s both;
}

.blv-landing-foot a {
    color: var(--blv-silver-bright);
    text-decoration: none;
    letter-spacing: 0.16em;
    transition: color 0.2s ease;
}

.blv-landing-foot a:hover {
    color: var(--blv-accent);
}

/* =========================================================
   CARS PAGE GALLERY
   ========================================================= */
.blv-gallery {
    margin: 18px auto 0;
    width: 100%;
    max-width: 1080px;
    columns: 3;
    column-gap: 18px;
    animation: blv-fade-up 1s ease-out 0.35s both;
}

.blv-gallery-item {
    display: block;
    width: 100%;
    margin: 0 0 18px;
    break-inside: avoid;
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid rgba(201, 212, 230, 0.12);
    box-shadow: 0 14px 50px rgba(0, 0, 0, 0.55);
    transition: transform 0.5s cubic-bezier(.2,.7,.2,1), box-shadow 0.5s ease, border-color 0.4s ease;
    background: rgba(10, 18, 48, 0.4);
}

.blv-gallery-item:hover {
    transform: translateY(-4px);
    border-color: rgba(241, 204, 91, 0.4);
    box-shadow: 0 22px 70px rgba(0, 0, 0, 0.7);
}

.blv-gallery-item img {
    display: block;
    width: 100%;
    height: auto;
    object-fit: cover;
}

/* ========== Animations ========== */
@keyframes blv-fade-down {
    from { opacity: 0; transform: translateY(-12px); }
    to   { opacity: 1; transform: translateY(0); }
}
@keyframes blv-fade-up {
    from { opacity: 0; transform: translateY(18px); }
    to   { opacity: 1; transform: translateY(0); }
}
@keyframes blv-float {
    0%, 100% { transform: translateY(0); }
    50%      { transform: translateY(-10px); }
}

/* ========== Responsive ========== */
@media (max-width: 880px) {
    .blv-gallery { columns: 2; }
}

@media (max-width: 720px) {
    .blv-cards {
        grid-template-columns: 1fr;
        margin-top: 40px;
        gap: 20px;
    }
    .blv-card { aspect-ratio: 16 / 11; }
    .blv-card-body { padding: 22px 22px 24px; }
}

@media (max-width: 640px) {
    .blv-locations {
        font-size: 11px;
        gap: 8px;
        padding: 10px 16px;
        letter-spacing: 0.32em;
    }
    .blv-logo { width: 220px; }
    .blv-intro { padding: 18px 18px; }
    .blv-intro p { font-size: 14px; }
    .blv-cta { padding: 14px 28px; font-size: 12px; }
    .blv-foot { font-size: 13px; gap: 10px; }
    .blv-back { top: 16px; left: 16px; padding: 8px 12px; font-size: 11px; }
    .blv-landing-tagline { letter-spacing: 0.24em; }
    .blv-gallery { columns: 1; }
}

@media (max-width: 380px) {
    .blv-locations span:not(.blv-dot) { font-size: 10px; }
}