/* ============================================
   INSIDER.pm - Light Theme 2025
   ============================================ */

:root {
    /* Colors - Primary */
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #eff6ff; /* blue-50 */
    --primary-border: #bfdbfe; /* blue-200 */
    
    /* Colors - Slate (Grayscale) */
    --slate-900: #0f172a;
    --slate-800: #1e293b;
    --slate-700: #334155;
    --slate-600: #475569;
    --slate-500: #64748b;
    --slate-400: #94a3b8;
    --slate-300: #cbd5e1;
    --slate-200: #e2e8f0;
    --slate-100: #f1f5f9;
    --slate-50:  #f8fafc;
    --white: #ffffff;

    /* Colors - Accents */
    --red-50: #fef2f2;
    --red-200: #fecaca;
    --red-500: #ef4444;
    --red-600: #dc2626;

    --yellow-50: #fefce8;
    --yellow-200: #fde68a;
    --yellow-600: #ca8a04;
    --amber-500: #f59e0b;

    --green-50: #f0fdf4;
    --green-100: #dcfce7;
    --green-500: #22c55e;
    --green-600: #16a34a;

    --purple-100: #f3e8ff;
    --purple-600: #9333ea;

    --indigo-600: #4f46e5;
    --cyan-600: #0891b2;
    
    /* System */
    --font-main: 'Inter', sans-serif;
    --radius-sm: 8px;
    --radius: 12px;
    --radius-xl: 1rem;
    --radius-full: 9999px;
    --container-width: 1152px;
}

/* Reset */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    background-color: var(--white);
    color: var(--slate-600);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* Accessibility */
:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* Typography */
h1, h2, h3, h4 {
    color: var(--slate-900);
    line-height: 1.2;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.2s;
}

b, strong { font-weight: 700; }

/* Layout Utils */
.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding-left: 1.5rem;
    padding-right: 1.5rem;
}

.section {
    padding-top: 5rem;
    padding-bottom: 5rem;
}

/* Display & Visibility */
.hidden { display: none; }
.block { display: block; }
.inline-block { display: inline-block; }
.inline-flex { display: inline-flex; }
.overflow-hidden { overflow: hidden; }

/* Flexbox */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.flex-shrink-0 { flex-shrink: 0; }

/* Grid */
.grid { display: grid; }
.grid-cols-1 { grid-template-columns: 1fr; }
.grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }
.gap-8 { gap: 2rem; }
.gap-12 { gap: 3rem; }

/* Dimensions */
.w-full { width: 100%; }
.h-full { height: 100%; }
.w-12 { width: 3rem; }
.h-12 { height: 3rem; }
.w-14 { width: 3.5rem; }
.h-14 { height: 3.5rem; }
.w-10 { width: 2.5rem; }
.h-10 { height: 2.5rem; }
.w-16 { width: 4rem; }
.h-16 { height: 4rem; }
.w-6 { width: 1.5rem; }
.h-6 { height: 1.5rem; }
.w-5 { width: 1.25rem; }
.h-5 { height: 1.25rem; }

/* Spacing (Margins/Paddings) */
.m-0 { margin: 0; }
.mt-auto { margin-top: auto; }
.mt-1 { margin-top: 0.25rem; }
.mt-6 { margin-top: 1.5rem; }
.mt-10 { margin-top: 2.5rem; }
.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 0.75rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 2rem; }
.mb-10 { margin-bottom: 2.5rem; }
.mb-16 { margin-bottom: 4rem; }
.mr-2 { margin-right: 0.5rem; }
.mr-3 { margin-right: 0.75rem; }

.p-0 { padding: 0; }
.p-8 { padding: 2rem; }
.p-10 { padding: 2.5rem; }
.px-3 { padding-left: 0.75rem; padding-right: 0.75rem; }
.px-4 { padding-left: 1rem; padding-right: 1rem; }
.px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }
.px-8 { padding-left: 2rem; padding-right: 2rem; }
.py-1 { padding-top: 0.25rem; padding-bottom: 0.25rem; }
.py-1\.5 { padding-top: 0.375rem; padding-bottom: 0.375rem; }
.py-2 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.py-4 { padding-top: 1rem; padding-bottom: 1rem; }
.py-12 { padding-top: 3rem; padding-bottom: 3rem; }
.pt-8 { padding-top: 2rem; }
.pt-20 { padding-top: 5rem; }
.pb-24 { padding-bottom: 6rem; }

/* Position */
.relative { position: relative; }
.absolute { position: absolute; }
.inset-0 { top: 0; right: 0; bottom: 0; left: 0; }
.z-10 { z-index: 10; }
.-z-10 { z-index: -10; }

/* Visuals (Borders, Radius, Shadows) */
.rounded-full { border-radius: var(--radius-full); }
.rounded-lg { border-radius: var(--radius-sm); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-2xl { border-radius: 1rem; }

.border { border: 1px solid var(--slate-200); }
.border-none { border: none; }
.border-t { border-top: 1px solid var(--slate-200); }
.border-blue-100 { border-color: #dbeafe; }
.border-blue-200 { border-color: var(--primary-border); }

.shadow-lg { box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05); }
.shadow-xl { box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04); }
/* Custom shadow for blue glow */
.shadow-blue-600\/20 { box-shadow: 0 10px 25px -5px rgba(37, 99, 235, 0.4); }

.blur-3xl { filter: blur(64px); }
.opacity-10 { opacity: 0.1; }
.opacity-60 { opacity: 0.6; }

/* Transforms */
.transform { transform: var(--transform-cpu); }
.translate-x-10 { transform: translateX(2.5rem); }
.translate-y-10 { transform: translateY(2.5rem); }

/* Typography Utils */
.text-center { text-align: center; }
.uppercase { text-transform: uppercase; }
.tracking-wider { letter-spacing: 0.05em; }
.tracking-tight { letter-spacing: -0.025em; }

.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.font-extrabold { font-weight: 800; }

.text-xs { font-size: 0.75rem; line-height: 1rem; }
.text-sm { font-size: 0.875rem; line-height: 1.25rem; }
.text-lg { font-size: 1.125rem; line-height: 1.75rem; }
.text-xl { font-size: 1.25rem; line-height: 1.75rem; }
.text-2xl { font-size: 1.5rem; line-height: 2rem; }
.text-3xl { font-size: 1.875rem; line-height: 2.25rem; }
.text-4xl { font-size: 2.25rem; line-height: 2.5rem; }
.text-5xl { font-size: 3rem; line-height: 1; }

.leading-tight { line-height: 1.25; }
.leading-relaxed { line-height: 1.625; }

/* Color Utilities */
.text-white { color: var(--white); }
.text-slate-900 { color: var(--slate-900); }
.text-slate-700 { color: var(--slate-700); }
.text-slate-600 { color: var(--slate-600); }
.text-slate-500 { color: var(--slate-500); }
.text-slate-400 { color: var(--slate-400); }
.text-slate-300 { color: var(--slate-300); }

.text-blue-600 { color: var(--primary); }
.text-blue-700 { color: #1d4ed8; }
.text-blue-500 { color: #3b82f6; }

.text-red-500 { color: var(--red-500); }
.text-red-600 { color: var(--red-600); }
.text-yellow-600 { color: var(--yellow-600); }
.text-green-500 { color: var(--green-500); }
.text-green-600 { color: var(--green-600); }
.text-purple-600 { color: var(--purple-600); }

.bg-white { background-color: var(--white); }
.bg-slate-50 { background-color: var(--slate-50); }
.bg-slate-900 { background-color: var(--slate-900); }
.bg-blue-50 { background-color: var(--primary-light); }
.bg-blue-100 { background-color: var(--primary-border); }
.bg-blue-600 { background-color: var(--primary); }

.bg-red-50 { background-color: var(--red-50); }
.bg-red-600 { background-color: var(--red-600); }
.bg-yellow-50 { background-color: var(--yellow-50); }
.bg-green-100 { background-color: var(--green-100); }
.bg-green-600 { background-color: var(--green-600); }
.bg-purple-100 { background-color: var(--purple-100); }
.bg-purple-600 { background-color: var(--purple-600); }
.bg-indigo-600 { background-color: var(--indigo-600); }
.bg-amber-500 { background-color: var(--amber-500); }
.bg-cyan-600 { background-color: var(--cyan-600); }

.bg-white\/10 { background-color: rgba(255, 255, 255, 0.1); }

.bg-hero-gradient {
    background: radial-gradient(70% 50% at 50% 40%, rgba(37, 99, 235, 0.08) 0%, rgba(255, 255, 255, 0) 100%);
}
.bg-gradient-to-br {
    background: linear-gradient(to bottom right, var(--slate-900), var(--slate-800));
}

/* Buttons */
.btn {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.9375rem;
    cursor: pointer;
    transition: all 0.2s ease;
    border: 1px solid transparent;
    text-align: center;
    white-space: nowrap;
    padding: 0.75rem 1.5rem;
}
.btn-primary {
    background-color: var(--primary);
    color: white;
}
.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-1px);
}
.btn-secondary {
    background-color: white;
    color: var(--slate-700);
    border-color: var(--slate-200);
}
.btn-secondary:hover {
    border-color: var(--slate-300);
    background-color: var(--slate-50);
}

/* Cards */
.card {
    background: white;
    border: 1px solid var(--slate-200);
    border-radius: var(--radius);
    transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s;
}

/* Feature Cards (New) */
.feature-card {
    background: white;
    border: 1px solid var(--slate-200);
    border-radius: var(--radius);
    transition: all 0.3s ease;
}

.feature-card:hover {
    border-color: var(--primary-border);
    transform: translateY(-5px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.feature-icon {
    transition: transform 0.3s ease;
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(3deg);
}

/* Interactive States */
.card:hover {
    box-shadow: 0 10px 30px -5px rgba(0, 0, 0, 0.05);
}

.card-hover-red:hover { border-color: var(--red-200); }
.card-hover-red:hover h3 { color: var(--red-600); }
.card-hover-yellow:hover { border-color: var(--yellow-200); }
.card-hover-yellow:hover h3 { color: var(--yellow-600); }

/* Pricing List Items */
.pricing-item {
    display: flex;
    align-items: flex-start;
    color: var(--slate-600);
}
.pricing-item::before {
    content: '';
    display: inline-block;
    width: 1.25rem;
    height: 1.25rem;
    margin-right: 0.75rem;
    background-size: contain;
    background-repeat: no-repeat;
    flex-shrink: 0;
    margin-top: 4px;
}
.pricing-item.checked::before {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%232563eb' stroke-width='2'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' d='M5 13l4 4L19 7'/%3E%3C/svg%3E");
}
.pricing-item.unchecked { opacity: 0.6; }
.pricing-item.unchecked::before {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2394a3b8' stroke-width='2'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' d='M6 18L18 6M6 6l12 12'/%3E%3C/svg%3E");
}

/* Responsive Media Queries */
@media (min-width: 768px) {
    .md\:flex { display: flex; }
    .md\:flex-row { flex-direction: row; }
    .md\:inline-flex { display: inline-flex; }
    .md\:block { display: block; }
    .md\:hidden { display: none; }
    
    .md\:grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
    .md\:grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
    
    .md\:col-span-2 { grid-column: span 2; }
    .md\:col-span-3 { grid-column: span 3; }
    
    .md\:w-1\/2 { width: 50%; }
    
    .md\:gap-20 { gap: 5rem; }
    .md\:mt-0 { margin-top: 0; }
    
    .md\:pb-40 { padding-bottom: 10rem; }
    
    .md\:text-3xl { font-size: 1.875rem; line-height: 2.25rem; }
    .md\:text-4xl { font-size: 2.25rem; line-height: 2.5rem; }
    .md\:text-7xl { font-size: 4.5rem; line-height: 1; }
    
    .md\:text-left { text-align: left; }
    .md\:text-right { text-align: right; }
}

@media (min-width: 1024px) {
    .lg\:grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
    .lg\:w-1\/3 { width: 33.3333%; }
    .lg\:flex-row { flex-direction: row; }
    
    /* Negative margin/transform for the highlighted pricing card */
    .lg\:-translate-y-4 { transform: translateY(-1rem); }
}