/* A.M. Sterling Holdings - Main Stylesheet */
/* Version 1.0 | February 2026 */

/* ========================================
   CSS VARIABLES & ROOT
   ======================================== */
:root {
    --black: #050507;
    --deep: #0a0a0f;
    --surface: #12121a;
    --elevated: #1a1a25;
    --glass: rgba(255,255,255,0.02);
    --glass-border: rgba(255,255,255,0.06);
    --glass-hover: rgba(255,255,255,0.08);
    
    --gold: #d4a853;
    --gold-bright: #f0c96c;
    --gold-dim: #8a6d35;
    --copper: #b87333;
    --platinum: #e5e4e2;
    
    --text: #ffffff;
    --text-dim: rgba(255,255,255,0.6);
    --text-muted: rgba(255,255,255,0.3);
    
    --font-display: 'Playfair Display', Georgia, serif;
    --font-body: 'Space Grotesk', system-ui, sans-serif;
}

/* ========================================
   RESET & BASE
   ======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scrollbar-width: thin;
    scrollbar-color: var(--gold-dim) var(--deep);
}

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--deep); }
::-webkit-scrollbar-thumb { background: var(--gold-dim); border-radius: 3px; }

body {
    font-family: var(--font-body);
    background: var(--black);
    color: var(--text);
    overflow-x: hidden;
    cursor: default;
}

/* ========================================
   CUSTOM CURSOR
   ======================================== */
.cursor {
    width: 20px;
    height: 20px;
    border: 1px solid var(--gold);
    border-radius: 50%;
    position: fixed;
    pointer-events: none;
    z-index: 10000;
    transition: transform 0.15s ease, opacity 0.15s ease;
    mix-blend-mode: difference;
}

.cursor-dot {
    width: 4px;
    height: 4px;
    background: var(--gold);
    border-radius: 50%;
    position: fixed;
    pointer-events: none;
    z-index: 10001;
}

.cursor.hover {
    transform: scale(2.5);
    background: rgba(212, 168, 83, 0.1);
}

/* ========================================
   THREE.JS CANVAS
   ======================================== */
#canvas-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    opacity: 0.6;
}

/* ========================================
   VISUAL EFFECTS
   ======================================== */
.grain {
    position: fixed;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    z-index: 1;
    pointer-events: none;
    opacity: 0.03;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
    animation: grain 8s steps(10) infinite;
}

@keyframes grain {
    0%, 100% { transform: translate(0, 0); }
    10% { transform: translate(-5%, -10%); }
    20% { transform: translate(-15%, 5%); }
    30% { transform: translate(7%, -25%); }
    40% { transform: translate(-5%, 25%); }
    50% { transform: translate(-15%, 10%); }
    60% { transform: translate(15%, 0%); }
    70% { transform: translate(0%, 15%); }
    80% { transform: translate(3%, 35%); }
    90% { transform: translate(-10%, 10%); }
}

.ambient-glow {
    position: fixed;
    width: 800px;
    height: 800px;
    border-radius: 50%;
    filter: blur(150px);
    opacity: 0.15;
    pointer-events: none;
    z-index: 0;
}

.glow-1 {
    top: -200px;
    right: -200px;
    background: radial-gradient(circle, var(--gold) 0%, transparent 70%);
}

.glow-2 {
    bottom: -300px;
    left: -200px;
    background: radial-gradient(circle, var(--copper) 0%, transparent 70%);
}

/* ========================================
   NAVIGATION
   ======================================== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 30px 60px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    height: 50px;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-logo:hover {
    transform: scale(1.05);
}

.nav-links {
    display: flex;
    gap: 50px;
    list-style: none;
}

.nav-links a {
    color: var(--text);
    text-decoration: none;
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    position: relative;
    padding: 5px 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--gold);
    transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* ========================================
   HERO SECTION
   ======================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 0 60px;
    z-index: 2;
}

.hero-content {
    text-align: center;
    max-width: 1200px;
}

.hero-eyebrow {
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.5em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 30px;
}

.hero-eyebrow span {
    display: inline-block;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(60px, 12vw, 180px);
    font-weight: 400;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 20px;
    overflow: visible;
}

.hero-title .line {
    display: block;
    overflow: visible;
    padding-bottom: 0.1em;
}

.hero-title .word {
    display: inline-block;
    transform: translateY(100%);
    padding-bottom: 0.15em;
}

.hero-title em {
    font-style: italic;
    color: var(--gold);
}

.hero-subtitle {
    font-size: 18px;
    font-weight: 300;
    color: var(--text-dim);
    letter-spacing: 0.1em;
    margin-top: 40px;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 80px;
    margin-top: 80px;
}

.hero-stat {
    text-align: center;
    opacity: 0;
    transform: translateY(30px);
}

.hero-stat-value {
    font-family: var(--font-display);
    font-size: 56px;
    font-weight: 400;
    color: var(--gold);
    line-height: 1;
}

.hero-stat-label {
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-top: 10px;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 60px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    opacity: 0;
}

.scroll-text {
    font-size: 10px;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.scroll-line {
    width: 1px;
    height: 80px;
    background: linear-gradient(to bottom, var(--gold), transparent);
    position: relative;
    overflow: hidden;
}

.scroll-line::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 30%;
    background: var(--gold-bright);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0% { transform: translateY(-100%); }
    100% { transform: translateY(400%); }
}

/* ========================================
   PORTFOLIO SECTION
   ======================================== */
.portfolio {
    position: relative;
    z-index: 2;
    padding: 150px 60px;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 80px;
    padding-bottom: 40px;
    border-bottom: 1px solid var(--glass-border);
}

.section-title-group {
    max-width: 600px;
}

.section-label {
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.4em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.section-label::before {
    content: '';
    width: 40px;
    height: 1px;
    background: var(--gold);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(36px, 5vw, 64px);
    font-weight: 400;
    line-height: 1.1;
}

.section-count {
    font-family: var(--font-display);
    font-size: 120px;
    font-weight: 400;
    color: var(--gold);
    opacity: 0.2;
    line-height: 1;
}

/* ========================================
   PROPERTY CARDS
   ======================================== */
.properties-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.property-card {
    position: relative;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 4px;
    overflow: hidden;
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    opacity: 0;
    transform: translateY(60px);
}

.property-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(212, 168, 83, 0.03) 0%, transparent 50%);
    opacity: 0;
    transition: opacity 0.6s ease;
    pointer-events: none;
}

.property-card:hover {
    transform: translateY(-10px);
    border-color: rgba(212, 168, 83, 0.3);
    box-shadow: 
        0 40px 80px rgba(0, 0, 0, 0.5),
        0 0 0 1px rgba(212, 168, 83, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.property-card:hover::before {
    opacity: 1;
}

.property-card.featured {
    grid-column: span 2;
    grid-row: span 2;
}

/* Card Visual */
.card-visual {
    position: relative;
    height: 200px;
    background: linear-gradient(135deg, var(--surface) 0%, var(--elevated) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.property-card.featured .card-visual {
    height: 350px;
}

.card-visual-pattern {
    position: absolute;
    width: 100%;
    height: 100%;
    opacity: 0.1;
    background-image: 
        linear-gradient(30deg, var(--gold) 12%, transparent 12.5%, transparent 87%, var(--gold) 87.5%, var(--gold)),
        linear-gradient(150deg, var(--gold) 12%, transparent 12.5%, transparent 87%, var(--gold) 87.5%, var(--gold)),
        linear-gradient(30deg, var(--gold) 12%, transparent 12.5%, transparent 87%, var(--gold) 87.5%, var(--gold)),
        linear-gradient(150deg, var(--gold) 12%, transparent 12.5%, transparent 87%, var(--gold) 87.5%, var(--gold)),
        linear-gradient(60deg, var(--copper) 25%, transparent 25.5%, transparent 75%, var(--copper) 75%, var(--copper)),
        linear-gradient(60deg, var(--copper) 25%, transparent 25.5%, transparent 75%, var(--copper) 75%, var(--copper));
    background-size: 80px 140px;
    background-position: 0 0, 0 0, 40px 70px, 40px 70px, 0 0, 40px 70px;
    transition: transform 0.6s ease;
}

.property-card:hover .card-visual-pattern {
    transform: scale(1.1);
}

.card-icon {
    position: relative;
    z-index: 1;
    width: 60px;
    height: 60px;
    border: 1px solid var(--gold-dim);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gold);
    transition: all 0.4s ease;
}

.property-card:hover .card-icon {
    transform: scale(1.1);
    border-color: var(--gold);
    box-shadow: 0 0 30px rgba(212, 168, 83, 0.3);
}

.card-icon svg {
    width: 24px;
    height: 24px;
}

.card-badge {
    position: absolute;
    top: 20px;
    left: 20px;
    padding: 8px 16px;
    background: var(--gold);
    color: var(--black);
    font-size: 9px;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
}

/* Card Content */
.card-content {
    padding: 30px;
}

.property-card.featured .card-content {
    padding: 40px;
}

.card-location {
    font-size: 10px;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 12px;
}

.card-title {
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 400;
    margin-bottom: 15px;
    line-height: 1.3;
}

.property-card.featured .card-title {
    font-size: 32px;
}

.card-type {
    display: inline-block;
    padding: 6px 14px;
    background: var(--elevated);
    border: 1px solid var(--glass-border);
    font-size: 10px;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-dim);
    margin-bottom: 25px;
}

.card-stats {
    display: flex;
    gap: 30px;
    padding: 20px 0;
    border-top: 1px solid var(--glass-border);
    border-bottom: 1px solid var(--glass-border);
    margin-bottom: 25px;
}

.card-stat {
    flex: 1;
}

.card-stat-value {
    font-family: var(--font-display);
    font-size: 28px;
    font-weight: 400;
    color: var(--text);
    line-height: 1;
}

.card-stat-label {
    font-size: 10px;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-top: 6px;
}

.card-price {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 25px;
}

.card-price-value {
    font-family: var(--font-display);
    font-size: 36px;
    font-weight: 400;
    color: var(--gold);
    line-height: 1;
}

.property-card.featured .card-price-value {
    font-size: 48px;
}

.card-price-per {
    font-size: 12px;
    color: var(--text-muted);
}

/* Download Button */
.card-download {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    width: 100%;
    padding: 18px 30px;
    background: transparent;
    border: 1px solid var(--glass-border);
    color: var(--text);
    font-family: var(--font-body);
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.card-download::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gold);
    transform: translateX(-100%);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.card-download:hover {
    border-color: var(--gold);
    color: var(--black);
}

.card-download:hover::before {
    transform: translateX(0);
}

.card-download span,
.card-download svg {
    position: relative;
    z-index: 1;
}

.card-download svg {
    width: 16px;
    height: 16px;
    transition: transform 0.3s ease;
}

.card-download:hover svg {
    transform: translateY(2px);
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
    position: relative;
    z-index: 2;
    padding: 100px 60px 60px;
    border-top: 1px solid var(--glass-border);
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.footer-brand {
    max-width: 400px;
}

.footer-logo {
    height: 60px;
    margin-bottom: 30px;
    opacity: 0.8;
}

.footer-tagline {
    font-size: 14px;
    color: var(--text-dim);
    line-height: 1.8;
}

.footer-contact {
    text-align: right;
}

.footer-contact-label {
    font-size: 10px;
    font-weight: 500;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 15px;
}

.footer-email {
    font-family: var(--font-display);
    font-size: 28px;
    color: var(--gold);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-email:hover {
    color: var(--gold-bright);
}

.footer-name {
    font-size: 14px;
    color: var(--text-dim);
    margin-top: 10px;
}

.footer-bottom {
    max-width: 1400px;
    margin: 80px auto 0;
    padding-top: 40px;
    border-top: 1px solid var(--glass-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-copyright {
    font-size: 12px;
    color: var(--text-muted);
}

.footer-disclaimer {
    font-size: 11px;
    color: var(--text-muted);
    opacity: 0.5;
    max-width: 500px;
    text-align: right;
}

/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width: 1200px) {
    .properties-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .property-card.featured {
        grid-column: span 2;
        grid-row: span 1;
    }
}

@media (max-width: 900px) {
    .nav { padding: 20px 30px; }
    .hero { padding: 0 30px; }
    .portfolio { padding: 100px 30px; }
    .footer { padding: 80px 30px 40px; }
    
    .hero-stats { gap: 40px; }
    .hero-stat-value { font-size: 40px; }
    
    .properties-grid {
        grid-template-columns: 1fr;
    }
    
    .property-card.featured {
        grid-column: span 1;
    }
    
    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 20px;
    }
    
    .section-count { display: none; }
    
    .footer-content {
        flex-direction: column;
        gap: 50px;
    }
    
    .footer-contact { text-align: left; }
    
    .footer-bottom {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
    
    .footer-disclaimer { text-align: center; }
}

@media (max-width: 600px) {
    .nav-links { display: none; }
    .hero-stats { flex-direction: column; gap: 30px; }
    .card-stats { flex-wrap: wrap; }
}