/* ==========================================================================
   XR LANDING PAGE V2 - SLEEK MINIMAL LUXURY THEME
   Color Palette: Deep Near-Black Midnight Navy, Obsidian, Warm Amber-Orange Gold
   Style: Minimal, Elegant, Premium Quiet Luxury
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@600;700;800;900&family=Kanit:wght@300;400;500;600;700&display=swap');

:root {
    /* Warm Amber-Orange Gold Palette (กลืนไปทางส้ม-อำพันหรูหรา) */
    --gold-primary: #D98E32;
    --gold-light: #F6C27A;
    --gold-accent: #E58E26;
    --gold-dark: #A75D14;
    --gold-deep: #6E3906;
    --gold-border: rgba(217, 142, 50, 0.35);
    --gold-glow: rgba(229, 142, 38, 0.3);
    
    /* Near-Black Deep Midnight Navy (ขยับไปทางใกล้ดำมากขึ้น) */
    --navy-midnight: #01040a;
    --navy-royal: #030814;
    --navy-deep: #050d1e;
    --navy-sapphire: #08142c;
    
    /* Pure Obsidian Surface */
    --black-obsidian: #010308;
    --black-surface: #02050c;
}

/* Custom Minimal Scrollbar */
::-webkit-scrollbar {
    width: 5px;
}
::-webkit-scrollbar-track {
    background: #010308;
}
::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, #6E3906, #A75D14, #6E3906);
    border-radius: 3px;
}

body {
    background-color: var(--black-obsidian);
    /* Very dark near-black background with extremely subtle deep navy & warm amber ambience */
    background-image: 
        radial-gradient(circle at 50% 10%, rgba(217, 142, 50, 0.06) 0%, transparent 40%),
        radial-gradient(circle at 50% 25%, rgba(6, 17, 42, 0.45) 0%, transparent 60%),
        radial-gradient(circle at 80% 80%, rgba(4, 11, 26, 0.4) 0%, transparent 55%),
        radial-gradient(circle at 20% 70%, rgba(217, 142, 50, 0.04) 0%, transparent 45%),
        radial-gradient(circle at 50% 100%, #030a18 0%, #010308 85%);
    background-attachment: fixed;
    min-height: 100vh;
    font-family: 'Kanit', sans-serif;
    color: #F1F3F5;
    overflow-x: hidden;
    position: relative;
}

/* Deep Near-Black Luxury Vignette */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(ellipse at center, transparent 30%, rgba(1, 3, 8, 0.94) 100%);
    pointer-events: none;
    z-index: 1;
}

/* ==========================================================================
   MINIMAL AMBIENT WARM STARDUST (SUBTLE & REFINED)
   ========================================================================== */
.snow-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 2;
    overflow: hidden;
}

.snowflake {
    position: absolute;
    top: -12px;
    color: var(--gold-light);
    user-select: none;
    animation: quietGoldDrift linear infinite;
    opacity: 0.6;
    text-shadow: 
        0 0 5px rgba(246, 194, 122, 0.65),
        0 0 12px rgba(217, 142, 50, 0.35);
}

@keyframes quietGoldDrift {
    0% {
        transform: translateY(-12px) translateX(0) scale(0.8);
        opacity: 0;
    }
    20% {
        opacity: 0.7;
        transform: translateY(22vh) translateX(var(--drift, -10px)) scale(1);
    }
    50% {
        opacity: 0.8;
        transform: translateY(52vh) translateX(calc(var(--drift, 10px) * -1)) scale(1.1);
    }
    80% {
        opacity: 0.55;
        transform: translateY(82vh) translateX(var(--drift, 8px)) scale(0.9);
    }
    100% {
        transform: translateY(105vh) translateX(0) scale(0.7);
        opacity: 0;
    }
}

/* ==========================================================================
   LOGO MEDALLION: NEAR-BLACK NAVY & WARM AMBER-GOLD
   ========================================================================== */
.logo-frost {
    background: radial-gradient(circle, rgba(5, 12, 28, 0.92) 0%, rgba(2, 5, 12, 0.98) 100%);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(217, 142, 50, 0.45);
    border-top: 1.5px solid rgba(246, 194, 122, 0.7);
    box-shadow:
        0 8px 25px rgba(0, 0, 0, 0.85),
        0 0 20px rgba(217, 142, 50, 0.22),
        0 0 35px rgba(4, 11, 28, 0.6),
        inset 0 0 14px rgba(217, 142, 50, 0.15);
    animation: sleekGlowPulse 5s infinite alternate ease-in-out;
    transition: all 0.35s ease;
}

.logo-frost:hover {
    transform: scale(1.04);
    border-color: rgba(246, 194, 122, 0.85);
    box-shadow:
        0 10px 30px rgba(0, 0, 0, 0.9),
        0 0 28px rgba(229, 142, 38, 0.35),
        0 0 45px rgba(6, 17, 42, 0.7),
        inset 0 0 16px rgba(229, 142, 38, 0.25);
}

@keyframes sleekGlowPulse {
    0% {
        box-shadow:
            0 8px 25px rgba(0, 0, 0, 0.85),
            0 0 18px rgba(217, 142, 50, 0.18),
            0 0 30px rgba(3, 9, 22, 0.5),
            inset 0 0 12px rgba(217, 142, 50, 0.12);
        border-color: rgba(217, 142, 50, 0.4);
    }
    100% {
        box-shadow:
            0 10px 28px rgba(0, 0, 0, 0.9),
            0 0 25px rgba(246, 194, 122, 0.3),
            0 0 40px rgba(6, 17, 42, 0.6),
            inset 0 0 18px rgba(246, 194, 122, 0.22);
        border-color: rgba(246, 194, 122, 0.65);
    }
}

/* ==========================================================================
   MINIMAL LUXURY FROSTED GLASS CARDS (DARK OBSIDIAN / NEAR BLACK)
   ========================================================================== */
.card-frost {
    background: linear-gradient(150deg, rgba(4, 10, 24, 0.75) 0%, rgba(2, 4, 10, 0.95) 100%);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(217, 142, 50, 0.26);
    border-top: 1.5px solid rgba(246, 194, 122, 0.5);
    border-bottom: 1px solid rgba(217, 142, 50, 0.15);
    box-shadow:
        0 14px 38px 0 rgba(0, 0, 0, 0.9),
        0 0 20px rgba(3, 8, 20, 0.35),
        inset 0 0 15px rgba(217, 142, 50, 0.04);
    transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
    border-radius: 16px;
}

.card-frost:hover {
    background: linear-gradient(150deg, rgba(6, 14, 34, 0.85) 0%, rgba(2, 5, 14, 0.98) 100%);
    border-color: rgba(246, 194, 122, 0.55);
    box-shadow:
        0 18px 45px 0 rgba(0, 0, 0, 0.95),
        0 0 22px rgba(217, 142, 50, 0.25),
        0 0 30px rgba(5, 14, 32, 0.45);
    transform: translateY(-4px);
}

/* ==========================================================================
   CTA BUTTON: WARM AMBER-ORANGE GOLD (โทนทองส้มหรูหรา อบอุ่น มีมิติ)
   ========================================================================== */
.btn-crystal {
    background: linear-gradient(135deg, 
        #F9D39B 0%, 
        #EFA74D 20%, 
        #DF8624 45%, 
        #B55F10 75%, 
        #D87D1F 90%,
        #F0B160 100%
    );
    border: 1px solid rgba(255, 255, 255, 0.45);
    border-top: 1.5px solid rgba(255, 255, 255, 0.75);
    border-bottom: 2px solid #5A2B03;
    box-shadow:
        0 8px 25px rgba(0, 0, 0, 0.85),
        0 0 26px rgba(229, 134, 36, 0.45),
        0 0 12px rgba(167, 93, 20, 0.3),
        inset 0 1px 2px rgba(255, 255, 255, 0.65),
        inset 0 -2px 5px rgba(90, 43, 3, 0.55);
    position: relative;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    color: #120600 !important; /* Deep warm espresso black text */
    font-weight: 800;
    text-shadow: 0 1px 0 rgba(255, 255, 255, 0.35);
    letter-spacing: 0.04em;
}

.btn-crystal:hover {
    transform: translateY(-2px) scale(1.015);
    box-shadow:
        0 12px 34px rgba(0, 0, 0, 0.9),
        0 0 36px rgba(246, 172, 75, 0.65),
        0 0 20px rgba(217, 115, 24, 0.4),
        inset 0 1px 3px rgba(255, 255, 255, 0.85),
        inset 0 -2px 5px rgba(90, 43, 3, 0.45);
    border-color: #FFFFFF;
}

.btn-crystal:active {
    transform: translateY(0px) scale(0.99);
}

/* Subtle Satin Light Sweep */
.btn-crystal::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -120%;
    width: 50%;
    height: 200%;
    background: linear-gradient(
        to right, 
        transparent 0%, 
        rgba(255, 255, 255, 0.2) 30%, 
        rgba(255, 255, 255, 0.65) 50%, 
        rgba(255, 255, 255, 0.2) 70%, 
        transparent 100%
    );
    transform: rotate(25deg);
    animation: satinLightSweep 4.5s infinite;
}

@keyframes satinLightSweep {
    0% {
        left: -120%;
    }
    35% {
        left: 160%;
    }
    100% {
        left: 160%;
    }
}

/* ==========================================================================
   TYPOGRAPHY & METALLIC ACCENTS
   ========================================================================== */
.font-cinzel {
    font-family: 'Cinzel', serif;
}

/* Warm Amber-Gold Gradient Text */
.text-ice-gradient,
.text-gold-metallic {
    background: linear-gradient(
        180deg, 
        #FFFFFF 0%, 
        #FDE8C9 18%, 
        #EFA852 42%, 
        #C87820 68%, 
        #82450C 86%, 
        #ECA248 100%
    );
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    filter: 
        drop-shadow(0 2px 6px rgba(217, 142, 50, 0.38)) 
        drop-shadow(0 0 18px rgba(3, 8, 20, 0.6));
    letter-spacing: 0.07em;
}

.text-glow-white {
    color: #F8F9FA;
    text-shadow: 
        0 0 8px rgba(255, 255, 255, 0.4),
        0 0 16px rgba(217, 142, 50, 0.25);
}

.text-contrast-blue,
.text-gold-subtle {
    color: #EFA852;
    text-shadow: 0 0 8px rgba(239, 168, 82, 0.3);
    letter-spacing: 0.03em;
}

/* Minimalist VIP Badge Pill */
.vip-badge {
    background: linear-gradient(135deg, rgba(5, 12, 28, 0.88) 0%, rgba(2, 4, 10, 0.96) 100%);
    border: 1px solid rgba(217, 142, 50, 0.38);
    box-shadow: 
        0 4px 15px rgba(0, 0, 0, 0.75),
        0 0 12px rgba(217, 142, 50, 0.18),
        inset 0 0 8px rgba(217, 142, 50, 0.1);
}

/* ==========================================================================
   ANIMATIONS
   ========================================================================== */
.fade-in-up {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

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