:root {
    /* Multi-Hue Green Palette Tokens */
    --green-forest: #062414;
    --green-pine: #0b3d22;
    --green-emerald: #10b981;
    --green-jade: #059669;
    --green-mint: #34d399;
    --green-lime: #84cc16;
    --green-neon: #22c55e;
    --green-sage: #dcfce7;
    --green-light-mint: #ecfdf5;

    /* Primary Accent Variables */
    --primary: #16a34a;
    --primary-glow: rgba(34, 197, 94, 0.4);
    --dark-forest: #061a0e;
}

body {
    font-family: 'Plus Jakarta Sans', sans-serif;
    background-color: #f7faf8;
    color: #0c1a12;
    overflow-x: hidden;
    scroll-behavior: smooth;
}

h1, h2, h3, h4, h5, h6, .font-heading {
    font-family: 'Outfit', sans-serif;
}

/* ==========================================================
   ULTRA-LUXURY 3D GLASSMORPHISM SYSTEM
   ========================================================== */

/* 1. Light 3D Glass Card (Frosted with glossy top bevel highlight) */
.glass-3d-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.92) 0%, rgba(240, 253, 244, 0.75) 100%);
    backdrop-filter: blur(16px) saturate(180%);
    -webkit-backdrop-filter: blur(16px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.9);
    box-shadow: 
        0 10px 30px -5px rgba(6, 78, 59, 0.07),
        0 2px 6px 0 rgba(0, 0, 0, 0.03),
        inset 0 1px 1px 0 rgba(255, 255, 255, 0.95),
        inset 0 -1px 2px 0 rgba(16, 185, 129, 0.08);
    border-radius: 1.5rem;
    transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
}

.glass-3d-card:hover {
    transform: translateY(-8px) scale(1.012);
    border-color: rgba(52, 211, 153, 0.65);
    box-shadow: 
        0 24px 45px -10px rgba(16, 185, 129, 0.22),
        0 10px 20px -5px rgba(5, 150, 105, 0.12),
        0 0 25px rgba(52, 211, 153, 0.15),
        inset 0 1px 2px 0 rgba(255, 255, 255, 1);
}

/* 2. Glass Card Diagonal Sheen / Light Streak on Hover */
.glass-3d-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -150%;
    width: 80%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.55), transparent);
    transform: skewX(-25deg);
    transition: 0.8s ease-in-out;
    pointer-events: none;
    z-index: 2;
}

.glass-3d-card:hover::before {
    left: 200%;
}

/* 3. Dark 3D Glass Card (For Calculator, Badges, Footer) */
.glass-3d-dark {
    background: linear-gradient(145deg, rgba(6, 36, 20, 0.94) 0%, rgba(10, 58, 32, 0.88) 50%, rgba(3, 20, 11, 0.98) 100%);
    backdrop-filter: blur(20px) saturate(200%);
    -webkit-backdrop-filter: blur(20px) saturate(200%);
    border: 1px solid rgba(74, 222, 128, 0.28);
    box-shadow: 
        0 20px 45px -10px rgba(0, 0, 0, 0.5),
        0 0 30px -5px rgba(34, 197, 94, 0.2),
        inset 0 1px 1.5px 0 rgba(110, 231, 183, 0.4);
    border-radius: 1.5rem;
    position: relative;
    overflow: hidden;
    transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.glass-3d-dark:hover {
    transform: translateY(-4px);
    border-color: rgba(74, 222, 128, 0.55);
    box-shadow: 
        0 28px 55px -10px rgba(0, 0, 0, 0.6),
        0 0 40px -5px rgba(34, 197, 94, 0.35),
        inset 0 1px 2px 0 rgba(110, 231, 183, 0.6);
}

/* 4. Translucent Glass Pill & Badges */
.glass-pill {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.85);
    box-shadow: 0 4px 15px -2px rgba(16, 185, 129, 0.1), inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

.glass-pill-dark {
    background: rgba(6, 36, 20, 0.6);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(74, 222, 128, 0.25);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3), inset 0 1px 0 rgba(110, 231, 183, 0.3);
}

/* ==========================================================
   MULTI-HUE GREEN GRADIENTS (Emerald, Mint, Lime, Forest)
   ========================================================== */

/* Multi-green gradient text */
.gradient-text-multi {
    background: linear-gradient(135deg, #059669 0%, #10b981 35%, #22c55e 70%, #84cc16 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.gradient-text-emerald {
    background: linear-gradient(135deg, #059669 0%, #10b981 50%, #064e3b 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.gradient-text-mint {
    background: linear-gradient(135deg, #34d399 0%, #10b981 50%, #059669 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.gradient-text-lime {
    background: linear-gradient(135deg, #84cc16 0%, #22c55e 50%, #15803d 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.gradient-text-light {
    background: linear-gradient(135deg, #a7f3d0 0%, #6ee7b7 40%, #ffffff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.gradient-text {
    background: linear-gradient(135deg, #10b981 0%, #059669 45%, #064e3b 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Multi-Green Badge Variations */
.badge-emerald {
    background: linear-gradient(135deg, rgba(209, 250, 229, 0.9) 0%, rgba(167, 243, 208, 0.7) 100%);
    border: 1px solid rgba(52, 211, 153, 0.4);
    color: #065f46;
}

.badge-mint {
    background: linear-gradient(135deg, rgba(236, 253, 245, 0.95) 0%, rgba(209, 250, 229, 0.8) 100%);
    border: 1px solid rgba(110, 231, 183, 0.5);
    color: #047857;
}

.badge-forest {
    background: linear-gradient(135deg, rgba(6, 36, 20, 0.9) 0%, rgba(10, 58, 32, 0.8) 100%);
    border: 1px solid rgba(74, 222, 128, 0.35);
    color: #a7f3d0;
}

.badge-lime {
    background: linear-gradient(135deg, rgba(247, 254, 231, 0.95) 0%, rgba(236, 252, 203, 0.8) 100%);
    border: 1px solid rgba(163, 230, 53, 0.5);
    color: #3f6212;
}

/* ==========================================================
   3D BUTTONS & INTERACTIVE ELEMENTS
   ========================================================== */

/* 3D Primary Button with Emerald-Forest Gradient */
.btn-3d-emerald {
    background: linear-gradient(135deg, #10b981 0%, #059669 40%, #064e3b 100%);
    color: #ffffff;
    box-shadow: 
        0 8px 20px -3px rgba(16, 185, 129, 0.45),
        0 2px 4px rgba(0, 0, 0, 0.08),
        inset 0 1px 1px 0 rgba(255, 255, 255, 0.4);
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
}

.btn-3d-emerald:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 
        0 14px 28px -4px rgba(16, 185, 129, 0.55),
        0 0 20px rgba(52, 211, 153, 0.3),
        inset 0 1px 1.5px 0 rgba(255, 255, 255, 0.6);
}

.btn-3d-emerald:active {
    transform: translateY(1px) scale(0.98);
}

/* 3D Glass Secondary Button */
.btn-3d-glass {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.9) 0%, rgba(240, 253, 244, 0.8) 100%);
    border: 1.5px solid rgba(52, 211, 153, 0.45);
    box-shadow: 
        0 6px 16px -2px rgba(6, 78, 59, 0.08),
        inset 0 1px 1px 0 rgba(255, 255, 255, 0.95);
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-3d-glass:hover {
    transform: translateY(-2px) scale(1.02);
    border-color: rgba(16, 185, 129, 0.8);
    background: linear-gradient(135deg, #ffffff 0%, rgba(220, 252, 231, 0.9) 100%);
    box-shadow: 
        0 12px 24px -4px rgba(16, 185, 129, 0.2),
        inset 0 1px 1.5px 0 rgba(255, 255, 255, 1);
}

.btn-3d-glass:active {
    transform: translateY(1px) scale(0.98);
}

/* ==========================================================
   AMBIENT GLOW SPHERES (Multi-Green Aurora Mesh)
   ========================================================== */
.glow-sphere {
    position: absolute;
    border-radius: 50%;
    filter: blur(85px);
    pointer-events: none;
    z-index: 0;
    opacity: 0.6;
}

.glow-emerald {
    background: radial-gradient(circle, rgba(16, 185, 129, 0.38) 0%, rgba(5, 150, 105, 0.15) 50%, transparent 75%);
}

.glow-mint {
    background: radial-gradient(circle, rgba(52, 211, 153, 0.35) 0%, rgba(110, 231, 183, 0.12) 50%, transparent 75%);
}

.glow-lime {
    background: radial-gradient(circle, rgba(132, 204, 22, 0.25) 0%, rgba(163, 230, 53, 0.1) 50%, transparent 75%);
}

.glow-forest {
    background: radial-gradient(circle, rgba(6, 78, 59, 0.3) 0%, rgba(2, 44, 34, 0.1) 50%, transparent 75%);
}

/* ==========================================================
   3D TILT EFFECT & MICRO-INTERACTIONS
   ========================================================== */
.tilt-card-container {
    perspective: 1000px;
}

.tilt-card {
    transform-style: preserve-3d;
    transition: transform 0.15s ease-out, box-shadow 0.3s ease;
}

/* Shimmer Light Sweeping Animation */
.btn-shimmer {
    position: relative;
    overflow: hidden;
}

.btn-shimmer::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(60deg, transparent, rgba(255, 255, 255, 0.35), transparent);
    transform: rotate(30deg);
    animation: btnShimmer 3.5s infinite;
}

@keyframes btnShimmer {
    0% {
        transform: translateX(-100%) rotate(30deg);
    }
    100% {
        transform: translateX(100%) rotate(30deg);
    }
}

/* Custom Styled Scrollbar */
::-webkit-scrollbar {
    width: 9px;
}

::-webkit-scrollbar-track {
    background: #f0fdf4;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, #10b981 0%, #059669 100%);
    border-radius: 10px;
    border: 2px solid #f0fdf4;
}

::-webkit-scrollbar-thumb:hover {
    background: #047857;
}

/* Reveal on Scroll Transitions */
.reveal-item {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-item.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* Luxury Nav Links */
.nav-item-link {
    position: relative;
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.nav-item-link::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 50%;
    width: 0;
    height: 2.5px;
    background: linear-gradient(90deg, #10b981, #22c55e);
    border-radius: 9999px;
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    transform: translateX(-50%);
}

.nav-item-link:hover::after {
    width: calc(100% - 1.25rem);
}

/* SCNEXTGEN Signature Badge */
.scnextgen-badge {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.08) 0%, rgba(16, 185, 129, 0.12) 100%);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(52, 211, 153, 0.25);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2), inset 0 1px 0 rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.scnextgen-badge:hover {
    border-color: rgba(52, 211, 153, 0.6);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.14) 0%, rgba(16, 185, 129, 0.22) 100%);
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.25), inset 0 1px 0 rgba(255, 255, 255, 0.2);
    transform: translateY(-1px);
}

/* Luxury Welcome Intro Splash Screen */
#welcomeSplash {
    transition: opacity 0.75s cubic-bezier(0.16, 1, 0.3, 1), transform 0.75s cubic-bezier(0.16, 1, 0.3, 1);
}

#welcomeSplash.dismissed {
    opacity: 0 !important;
    transform: scale(1.05) !important;
    pointer-events: none !important;
}