/* ===== CSS Variables - VIP Luxury Theme ===== */
:root {
    --purple-deep: #5b21b6;
    --purple-dark: #3b0764;
    --purple-mid: #7c3aed;
    --purple-light: #a855f7;
    --rose-gold: #b76e79;
    --rose-gold-light: #d4a0a7;
    --rose-gold-dark: #9a4a55;
    --bg-dark: #0a0415;
    --bg-darker: #060210;
    --bg-card: rgba(91, 33, 182, 0.15);
    --text-white: #ffffff;
    --text-gray: #9ca3af;
    --text-gray-light: #d1d5db;
    --border-purple: rgba(147, 51, 234, 0.3);
    --border-rose: rgba(183, 110, 121, 0.3);
    --shadow-purple: rgba(91, 33, 182, 0.3);
    --shadow-rose: rgba(183, 110, 121, 0.3);
}

/* ===== Base ===== */
html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-white);
    overflow-x: hidden;
}

/* ===== Navbar ===== */
#navbar {
    background: rgba(10, 4, 21, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(91, 33, 182, 0.2);
}

#navbar.scrolled {
    background: rgba(6, 2, 16, 0.95);
    border-bottom: 1px solid rgba(183, 110, 121, 0.25);
    box-shadow: 0 4px 30px rgba(91, 33, 182, 0.2);
}

.rose-gold-text {
    color: var(--rose-gold);
    text-shadow: 0 0 20px rgba(183, 110, 121, 0.4);
}

.rose-gold-btn {
    background: linear-gradient(135deg, var(--rose-gold-dark), var(--rose-gold), var(--rose-gold-light));
    color: #fff;
    font-weight: 600;
    letter-spacing: 0.05em;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(183, 110, 121, 0.3);
}

.rose-gold-btn:hover {
    box-shadow: 0 6px 30px rgba(183, 110, 121, 0.5);
    transform: translateY(-2px);
}

.btn-outline {
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
    background: transparent;
}

.btn-outline:hover {
    background: rgba(183, 110, 121, 0.08);
}

.btn-outline-light {
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
    background: transparent;
}

.btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.08);
}

/* ===== Mobile Menu ===== */
.mobile-link {
    border-bottom: 1px solid rgba(91, 33, 182, 0.1);
}

.mobile-link:last-child {
    border-bottom: none;
}

/* ===== Hero ===== */
.hero-gradient {
    background: linear-gradient(135deg,
        #3b0764 0%,
        #5b21b6 25%,
        #6d28d9 50%,
        #5b21b6 75%,
        #3b0764 100%
    );
}

/* Floating Particles */
.particle {
    position: absolute;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(183, 110, 121, 0.6), transparent);
    animation: floatParticle 8s ease-in-out infinite;
}

.particle-1 { width: 8px; height: 8px; top: 20%; left: 10%; animation-delay: 0s; }
.particle-2 { width: 12px; height: 12px; top: 60%; left: 80%; animation-delay: 2s; }
.particle-3 { width: 6px; height: 6px; top: 30%; left: 50%; animation-delay: 4s; }
.particle-4 { width: 10px; height: 10px; top: 70%; left: 25%; animation-delay: 6s; }
.particle-5 { width: 5px; height: 5px; top: 45%; left: 70%; animation-delay: 3s; }

@keyframes floatParticle {
    0%, 100% { transform: translateY(0) scale(1); opacity: 0.3; }
    25% { transform: translateY(-40px) scale(1.5); opacity: 0.6; }
    50% { transform: translateY(-20px) scale(1); opacity: 0.3; }
    75% { transform: translateY(-60px) scale(2); opacity: 0.5; }
}

.animate-float {
    animation: floatCrown 3s ease-in-out infinite;
}

@keyframes floatCrown {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}

/* ===== Features ===== */
.feature-card {
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(183, 110, 121, 0.06), transparent);
    transition: left 0.6s ease;
}

.feature-card:hover::before {
    left: 100%;
}

/* ===== Stats ===== */
.stat-number {
    font-variant-numeric: tabular-nums;
}

.gradient-text {
    background: linear-gradient(135deg, #7c3aed, #b76e79, #d4a0a7);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

.gradient-text.animated {
    animation: gradientShift 3s ease-in-out infinite;
    background-size: 200% 200%;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

/* ===== Testimonials ===== */
.testimonial-card {
    position: relative;
    overflow: hidden;
}

.testimonial-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--purple-mid), var(--rose-gold));
    transition: width 0.4s ease;
    border-radius: 3px 3px 0 0;
}

.testimonial-card:hover::after {
    width: 60%;
}

/* ===== FAQ ===== */
.faq-item {
    transition: all 0.3s ease;
}

.faq-item:hover {
    border-color: rgba(183, 110, 121, 0.4);
    box-shadow: 0 4px 20px rgba(91, 33, 182, 0.15);
}

.faq-trigger i.fa-chevron-down {
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

.faq-item.active .faq-trigger i.fa-chevron-down {
    transform: rotate(180deg);
}

.faq-item.active {
    border-color: rgba(183, 110, 121, 0.5);
    box-shadow: 0 4px 24px rgba(91, 33, 182, 0.2);
    background: linear-gradient(135deg, rgba(91, 33, 182, 0.3), rgba(109, 40, 217, 0.2));
}

.faq-content {
    animation: slideDown 0.3s ease forwards;
    overflow: hidden;
}

@keyframes slideDown {
    from {
        opacity: 0;
        max-height: 0;
    }
    to {
        opacity: 1;
        max-height: 500px;
    }
}

/* ===== CTA Banner ===== */
.cta-gradient {
    background: linear-gradient(135deg,
        #3b0764 0%,
        #5b21b6 30%,
        #7c3aed 50%,
        #5b21b6 70%,
        #3b0764 100%
    );
}

/* ===== Footer ===== */
footer a:hover {
    color: var(--rose-gold);
}