/* ===== PREMIUM GLOBAL STYLES ===== */
:root {
    --deep-navy: #0B1B3A;
    --deep-navy-light: #122956;
    --gold-primary: #D4AF37;
    --gold-light: #F5D770;
    --gold-dark: #A68A2E;
    --silver: #C0C0C0;
    --white: #FFFFFF;
    --off-white: #F8F9FA;
    --text-light: #E2E8F0;
    --text-muted: #94A3B8;
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.1);
    --shadow-md: 0 8px 24px rgba(0,0,0,0.15);
    --shadow-lg: 0 16px 48px rgba(0,0,0,0.2);
    --shadow-glow: 0 0 32px rgba(212, 175, 55, 0.3);
}

* {
    font-family: 'Inter', sans-serif;
    box-sizing: border-box;
}

body {
    background-color: var(--deep-navy);
    color: var(--text-light);
    overflow-x: hidden;
}

.font-display {
    font-family: 'Poppins', 'Sora', 'Space Grotesk', sans-serif;
}

/* ===== GOLD GRADIENT SYSTEM ===== */
.gold-gradient {
    background: linear-gradient(135deg, var(--gold-dark) 0%, var(--gold-primary) 25%, var(--gold-light) 50%, var(--gold-primary) 75%, var(--gold-dark) 100%);
    background-size: 200% 200%;
    animation: goldShine 3s ease-in-out infinite;
}
@keyframes goldShine {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

/* ===== GLASSMORPHISM ===== */
.glass-panel {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* ===== PREMIUM BUTTONS ===== */
.premium-btn {
    position: relative;
    overflow: hidden;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 32px;
    border-radius: 12px;
    font-weight: 700;
    font-size: 1.05rem;
    letter-spacing: 0.5px;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: var(--shadow-md);
}
.premium-btn-primary {
    background: linear-gradient(135deg, var(--gold-dark), var(--gold-primary), var(--gold-light));
    color: var(--deep-navy);
    border: none;
}
.premium-btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
    transition: left 0.6s ease;
}
.premium-btn-primary:hover::before { left: 100%; }
.premium-btn-primary:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: var(--shadow-glow), var(--shadow-lg);
}
.premium-btn-outline {
    background: transparent;
    border: 2px solid rgba(255,255,255,0.3);
    color: var(--text-light);
}
.premium-btn-outline:hover {
    border-color: var(--gold-primary);
    color: var(--gold-light);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

/* ===== PREMIUM NAVBAR ===== */
#premium-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.navbar-glass {
    background: rgba(11, 27, 58, 0.85);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-bottom: 1px solid rgba(255,255,255,0.08);
}
.nav-link {
    position: relative;
    color: var(--text-muted);
    transition: all 0.3s ease;
    letter-spacing: 0.3px;
    font-weight: 500;
}
.nav-link.active, .nav-link:hover { color: var(--gold-light); }
.nav-link::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--gold-dark), var(--gold-primary), var(--gold-light));
    border-radius: 2px;
    transform: translateX(-50%);
    transition: all 0.4s ease;
    box-shadow: 0 0 12px rgba(212,175,55,0.5);
    opacity: 0;
}
.nav-link.active::after, .nav-link:hover::after {
    width: 100%;
    opacity: 1;
}

/* ===== HERO SECTION ===== */
.hero-section {
    position: relative;
    min-height: 100vh;
    padding-top: 120px;
    overflow: hidden;
}
.hero-bg-gradient {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(ellipse at 20% 20%, rgba(212,175,55,0.15) 0%, transparent 50%),
                radial-gradient(ellipse at 80% 80%, rgba(100,149,237,0.1) 0%, transparent 50%),
                linear-gradient(180deg, var(--deep-navy) 0%, var(--deep-navy-light) 100%);
    animation: heroGradientMove 12s ease-in-out infinite;
}
.hero-bg-banner {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('../images/background-banner.png') no-repeat center center/cover;
}
@keyframes heroGradientMove {
    0%, 100% { transform: translate(0,0) scale(1); }
    50% { transform: translate(2%,2%) scale(1.05); }
}
.floating-product {
    animation: float 6s ease-in-out infinite;
    filter: drop-shadow(0 24px 48px rgba(0,0,0,0.4));
}
.floating-product:nth-child(2) { animation-delay: -2s; }
.floating-product:nth-child(3) { animation-delay: -4s; }
@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-24px) rotate(3deg); }
}

/* ===== PREMIUM 3D PRODUCT CARDS ===== */
.product-card-3d {
    background: white;
    border: 1px solid rgba(0,0,0,0.08);
    border-radius: 24px;
    overflow: hidden;
    transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    transform-style: preserve-3d;
    box-shadow: var(--shadow-md);
}
.product-card-3d:hover {
    transform: translateY(-16px) rotateX(5deg);
    box-shadow: 0 0 32px rgba(212,175,55,0.3), 0 16px 48px rgba(0,0,0,0.2);
    border-color: rgba(212,175,55,0.4);
}
.product-card-3d .card-image-container {
    position: relative;
    overflow: hidden;
    border-radius: 20px 20px 0 0;
}
.product-card-3d .card-image-container img {
    transition: all 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
.product-card-3d:hover .card-image-container img {
    transform: scale(1.1) rotate(1deg);
}
.card-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    background: linear-gradient(180deg, transparent, rgba(11,27,58,0.95));
    padding: 24px;
    transform: translateY(100%);
    transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
.product-card-3d:hover .card-overlay { transform: translateY(0); }

/* ===== TRUST BADGE STRIP ===== */
.trust-badge-strip {
    background: linear-gradient(90deg, transparent, rgba(212,175,55,0.1), transparent);
    border-top: 1px solid rgba(255,255,255,0.05);
    border-bottom: 1px solid rgba(255,255,255,0.05);
}
.client-logo {
    filter: grayscale(100%) brightness(0.7);
    transition: all 0.4s ease;
    opacity: 0.7;
}
.client-logo:hover {
    filter: grayscale(0%) brightness(1);
    opacity: 1;
}

/* ===== STATS SECTION ===== */
.stat-card {
    text-align: center;
    padding: 32px;
    border-radius: 20px;
    background: white;
    border: 1px solid rgba(0,0,0,0.08);
    transition: all 0.4s ease;
}
.stat-card:hover {
    transform: translateY(-8px);
    border-color: rgba(212,175,55,0.3);
    box-shadow: 0 0 32px rgba(212,175,55,0.3);
}
.stat-number {
    font-size: 3.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--gold-light), var(--gold-primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -2px;
}

/* ===== SECTION DIVIDERS ===== */
.diagonal-divider {
    position: absolute;
    left: 0;
    width: 100%;
    height: 120px;
    z-index: 1;
}
.diagonal-divider-bottom {
    bottom: 0;
    background: linear-gradient(to bottom right, transparent 50%, var(--off-white) 50%);
}
.diagonal-divider-top {
    top: 0;
    background: linear-gradient(to bottom left, var(--off-white) 50%, transparent 50%);
}

/* ===== FADE UP ANIMATION ===== */
.fade-up {
    opacity: 1; /* Visible by default */
    transform: translateY(0);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}
/* Add class initially with JS, then animate */
.js-loaded .fade-up {
    opacity: 0;
    transform: translateY(40px);
}
.js-loaded .fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}
.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }

/* ===== FLOATING WHATSAPP & QUOTE ===== */
.floating-whatsapp {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 72px;
    height: 72px;
    background: linear-gradient(135deg, #25D366, #128C7E);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 12px 32px rgba(37,211,102,0.4);
    transition: all 0.4s cubic-bezier(0.175,0.885,0.32,1.275);
    z-index: 999;
}
.floating-whatsapp:hover {
    transform: scale(1.15) rotate(10deg);
    box-shadow: 0 16px 48px rgba(37,211,102,0.5);
}
.sticky-quote-bar {
    position: fixed;
    bottom: 32px;
    left: 32px;
    background: linear-gradient(135deg, var(--gold-dark), var(--gold-primary), var(--gold-light));
    padding: 16px 28px;
    border-radius: 16px;
    box-shadow: var(--shadow-glow), var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 700;
    color: var(--deep-navy);
    z-index: 999;
    transition: all 0.4s ease;
}
.sticky-quote-bar:hover { transform: translateY(-4px); }

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .stat-number { font-size: 2.5rem; }
    .hero-section { padding-top: 100px; }
    .floating-whatsapp { width: 64px; height: 64px; bottom: 24px; right: 24px; }
    .sticky-quote-bar { left: 50%; transform: translateX(-50%); bottom: 24px; width: calc(100% - 48px); justify-content: center; }
}