:root {
    /* Primary Palette */
    --primary-600: #2563eb;
    /* Indigo */
    --primary-700: #1d4ed8;
    --primary-50: #eff6ff;

    /* Neutrals */
    --slate-50: #f8fafc;
    --slate-100: #f1f5f9;
    --slate-200: #e2e8f0;
    --slate-300: #cbd5e1;
    --slate-400: #94a3b8;
    --slate-500: #64748b;
    --slate-600: #475569;
    --slate-700: #334155;
    --slate-800: #1e293b;
    --slate-900: #0f172a;

    /* Semantic */
    --success: #10b981;
    --error: #ef4444;
    --warning: #f59e0b;
    --info: #06b6d4;

    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

    /* Spacing (8pt grid) */
    --space-1: 0.25rem;
    /* 4px */
    --space-2: 0.5rem;
    /* 8px */
    --space-3: 0.75rem;
    /* 12px */
    --space-4: 1rem;
    /* 16px */
    --space-6: 1.5rem;
    /* 24px */
    --space-8: 2rem;
    /* 32px */
    --space-12: 3rem;
    /* 48px */
    --space-16: 4rem;
    /* 64px */
    --space-20: 5rem;
    /* 80px */
    --space-24: 6rem;
    /* 96px */

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 2px 4px -1px rgb(0 0 0 / 0.06), 0 1px 2px -1px rgb(0 0 0 / 0.06);
    --shadow-lg: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);

    /* Animation Tokens */
    --ease-expo-out: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-back-out: cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* Utility Classes */
.bg-slate-900 {
    background-color: var(--slate-900) !important;
}

.bg-slate-800 {
    background-color: var(--slate-800) !important;
}

.bg-slate-50 {
    background-color: var(--slate-50) !important;
}

.bg-primary-600 {
    background-color: var(--primary-600) !important;
}

.bg-primary-50 {
    background-color: var(--primary-50) !important;
}

.text-white {
    color: white !important;
}

.text-slate-900 {
    color: var(--slate-900) !important;
}

.text-slate-800 {
    color: var(--slate-800) !important;
}

.text-slate-700 {
    color: var(--slate-700) !important;
}

.text-slate-600 {
    color: var(--slate-600) !important;
}

.text-slate-500 {
    color: var(--slate-500) !important;
}

.text-slate-400 {
    color: var(--slate-400) !important;
}

.text-slate-300 {
    color: var(--slate-300) !important;
}

.text-primary-600 {
    color: var(--primary-600) !important;
}

/* Global Reset Overrides */
body {
    font-family: var(--font-sans);
    color: var(--slate-300);
    line-height: 1.6;
    background-color: var(--slate-900);
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-sans) !important;
    font-weight: 700 !important;
    color: white !important;
    letter-spacing: -0.025em !important;
}

.text-gradient {
    background: linear-gradient(to right, var(--primary-600), var(--info));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Button System */
.btn-professional {
    padding: var(--space-3) var(--space-6);
    border-radius: 0.5rem;
    font-weight: 600;
    transition: all 0.3s var(--ease-expo-out);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    text-decoration: none;
    cursor: pointer;
    border: none;
}

.btn-professional-primary {
    background-color: var(--primary-600);
    color: white !important;
}

.btn-professional-primary:hover:not(.disabled) {
    background-color: var(--primary-700);
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(37, 99, 235, 0.3);
}

.btn-professional-primary.disabled,
.btn-professional-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background-color: var(--slate-700);
    color: var(--slate-400) !important;
    transform: none !important;
    box-shadow: none !important;
}

.btn-professional-outline {
    background-color: transparent;
    border: 1px solid var(--slate-700);
    color: white !important;
}

.btn-professional-outline:hover:not(.disabled) {
    border-color: var(--slate-400);
    background-color: var(--slate-800);
    transform: translateY(-2px);
}

/* Animation Utilities */
.reveal-fade-in,
.reveal-slide-up,
.reveal-slide-left,
.reveal-slide-right,
.reveal-scale-up,
.reveal-premium-up {
    opacity: 0;
    filter: blur(8px);
    transition:
        opacity 1.2s var(--ease-expo-out),
        transform 1.2s var(--ease-expo-out),
        filter 1.2s var(--ease-expo-out);
    will-change: transform, opacity, filter;
}

.reveal-fade-in.visible {
    opacity: 1;
    filter: blur(0);
}

.reveal-slide-up {
    transform: translateY(40px);
}

.reveal-slide-up.visible {
    opacity: 1;
    transform: translateY(0);
    filter: blur(0);
}

.reveal-premium-up {
    transform: translateY(60px) scale(0.98);
}

.reveal-premium-up.visible {
    opacity: 1;
    transform: translateY(0) scale(1);
    filter: blur(0);
}

.reveal-slide-left {
    transform: translateX(-40px);
}

.reveal-slide-left.visible {
    opacity: 1;
    transform: translateX(0);
    filter: blur(0);
}

.reveal-slide-right {
    transform: translateX(40px);
}

.reveal-slide-right.visible {
    opacity: 1;
    transform: translateX(0);
    filter: blur(0);
}

.reveal-scale-up {
    transform: scale(0.92);
}

.reveal-scale-up.visible {
    opacity: 1;
    transform: scale(1);
    filter: blur(0);
}

/* Staggered Animation Logic */
.reveal-staggered>*,
.reveal-staggered-premium>* {
    opacity: 0;
    filter: blur(4px);
    transform: translateY(20px);
    transition:
        opacity 0.8s var(--ease-expo-out),
        transform 0.8s var(--ease-expo-out),
        filter 0.8s var(--ease-expo-out);
}

.reveal-staggered-premium>* {
    transform: translateY(30px) scale(0.95);
}

.reveal-staggered.visible>*,
.reveal-staggered-premium.visible>* {
    opacity: 1;
    transform: translateY(0) scale(1);
    filter: blur(0);
}

/* Delays */
.reveal-staggered.visible>*:nth-child(1),
.reveal-staggered-premium.visible>*:nth-child(1) {
    transition-delay: 0.1s;
}

.reveal-staggered.visible>*:nth-child(2),
.reveal-staggered-premium.visible>*:nth-child(2) {
    transition-delay: 0.2s;
}

.reveal-staggered.visible>*:nth-child(3),
.reveal-staggered-premium.visible>*:nth-child(3) {
    transition-delay: 0.3s;
}

.reveal-staggered.visible>*:nth-child(4),
.reveal-staggered-premium.visible>*:nth-child(4) {
    transition-delay: 0.4s;
}

.reveal-staggered.visible>*:nth-child(5),
.reveal-staggered-premium.visible>*:nth-child(5) {
    transition-delay: 0.5s;
}

.reveal-staggered.visible>*:nth-child(6),
.reveal-staggered-premium.visible>*:nth-child(6) {
    transition-delay: 0.6s;
}

/* Floating Animation */
@keyframes float {
    0% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-10px);
    }

    100% {
        transform: translateY(0px);
    }
}

.animate-float {
    animation: float 6s ease-in-out infinite;
}

.animate-float-delayed {
    animation: float 6s ease-in-out infinite;
    animation-delay: 2s;
}

/* Form Elements */
.form-control {
    border: 1px solid var(--slate-700) !important;
    color: white !important;
    background-color: var(--slate-800) !important;
    transition: all 0.2s var(--ease-expo-out);
}

.form-control::placeholder {
    color: var(--slate-500) !important;
}

.form-control:focus {
    border-color: var(--primary-600) !important;
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1) !important;
    background-color: var(--slate-900) !important;
}

.invalid-feedback {
    font-size: 0.85rem;
    margin-top: 0.5rem;
}

/* Navbar Fixes */
#mainNav {
    transition: all 0.3s ease;
    background-color: transparent !important;
}

#mainNav.navbar-shrink {
    background-color: rgba(15, 23, 42, 0.95) !important;
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
    padding-top: 0.5rem !important;
    padding-bottom: 0.5rem !important;
}

#mainNav.navbar-shrink .nav-link {
    color: var(--slate-300) !important;
}

#mainNav.navbar-shrink .navbar-brand {
    color: white !important;
}

/* Light Mode Navbar (for dark sections) */
#mainNav:not(.navbar-shrink) .nav-link {
    color: rgba(255, 255, 255, 0.8) !important;
}

#mainNav:not(.navbar-shrink) .navbar-brand {
    color: white !important;
}

#mainNav:not(.navbar-shrink) .nav-link:hover {
    color: white !important;
}