/* Global Core Design System - AMAK AgroTrace Platform */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Plus+Jakarta+Sans:wght@500;600;700;800&display=swap');

:root {
    /* Brand Color Palette */
    --primary-900: #0f172a;
    --primary-800: #1e293b;
    --primary-700: #1e40af;
    --primary-600: #2563eb;
    --primary-500: #3b82f6;
    --primary-400: #60a5fa;
    --primary-100: #dbeafe;
    --primary-50: #eff6ff;

    /* Accent & Semantic Colors */
    --accent-emerald: #10b981;
    --accent-emerald-dark: #059669;
    --accent-cyan: #06b6d4;
    --accent-amber: #f59e0b;
    --accent-rose: #f43f5e;
    
    /* Neutral Shades */
    --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;

    /* Typography */
    --font-heading: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

    /* Elevation & Shadows */
    --shadow-xs: 0 1px 2px 0 rgba(15, 23, 42, 0.05);
    --shadow-sm: 0 4px 6px -1px rgba(15, 23, 42, 0.07), 0 2px 4px -2px rgba(15, 23, 42, 0.05);
    --shadow-md: 0 10px 15px -3px rgba(15, 23, 42, 0.08), 0 4px 6px -4px rgba(15, 23, 42, 0.04);
    --shadow-lg: 0 20px 25px -5px rgba(15, 23, 42, 0.1), 0 8px 10px -6px rgba(15, 23, 42, 0.04);
    --shadow-xl: 0 25px 50px -12px rgba(15, 23, 42, 0.15);
    --shadow-glow: 0 0 35px rgba(37, 99, 235, 0.25);

    /* Glassmorphism */
    --glass-bg: rgba(255, 255, 255, 0.85);
    --glass-border: rgba(255, 255, 255, 0.6);
    --glass-dark-bg: rgba(15, 23, 42, 0.85);
    --glass-dark-border: rgba(255, 255, 255, 0.1);
    
    /* Layout */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 18px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* Base Reset & Typography */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    color: var(--slate-800);
    background-color: var(--white);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6, .font-heading {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--slate-900);
    letter-spacing: -0.02em;
    line-height: 1.25;
}

a {
    color: var(--primary-600);
    text-decoration: none;
    transition: var(--transition-fast);
}

a:hover {
    color: var(--primary-700);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}
::-webkit-scrollbar-track {
    background: var(--slate-100);
}
::-webkit-scrollbar-thumb {
    background: var(--slate-400);
    border-radius: 5px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--slate-600);
}

/* Buttons System */
.btn-brand-primary {
    background: linear-gradient(135deg, var(--primary-600) 0%, var(--primary-700) 100%);
    color: var(--white);
    font-family: var(--font-heading);
    font-weight: 600;
    padding: 12px 28px;
    border-radius: var(--radius-md);
    border: none;
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
    transition: var(--transition-bounce);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-brand-primary:hover {
    background: linear-gradient(135deg, var(--primary-700) 0%, var(--primary-800) 100%);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.45);
}

.btn-brand-secondary {
    background-color: var(--slate-100);
    color: var(--slate-800);
    font-family: var(--font-heading);
    font-weight: 600;
    padding: 12px 28px;
    border-radius: var(--radius-md);
    border: 1px solid var(--slate-200);
    transition: var(--transition-base);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-brand-secondary:hover {
    background-color: var(--slate-200);
    color: var(--slate-900);
    border-color: var(--slate-300);
    transform: translateY(-2px);
}

.btn-brand-outline {
    background: transparent;
    color: var(--primary-600);
    font-family: var(--font-heading);
    font-weight: 600;
    padding: 11px 26px;
    border-radius: var(--radius-md);
    border: 2px solid var(--primary-600);
    transition: var(--transition-base);
}

.btn-brand-outline:hover {
    background-color: var(--primary-50);
    color: var(--primary-700);
    border-color: var(--primary-700);
}

/* Badges */
.badge-pill-soft {
    background-color: var(--primary-50);
    color: var(--primary-700);
    font-size: 0.85rem;
    font-weight: 600;
    padding: 6px 16px;
    border-radius: var(--radius-full);
    border: 1px solid rgba(59, 130, 246, 0.2);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.badge-pill-emerald {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--accent-emerald-dark);
    font-size: 0.85rem;
    font-weight: 600;
    padding: 6px 16px;
    border-radius: var(--radius-full);
    border: 1px solid rgba(16, 185, 129, 0.25);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

/* Glassmorphism Containers */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
}

/* Section Header Utility */
.section-header {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 50px auto;
}

.section-header .section-tag {
    color: var(--primary-600);
    font-weight: 700;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 12px;
    display: block;
}

.section-header h2 {
    font-size: 2.3rem;
    color: var(--slate-900);
    margin-bottom: 16px;
}

.section-header p {
    font-size: 1.1rem;
    color: var(--slate-600);
}

@media (max-width: 768px) {
    .section-header h2 {
        font-size: 1.8rem;
    }
}