/*
 * sustainability.css
 * Core design system and utilities for Madaga CSP Portal - Sustainable Redesign
 * Uses a premium tech-mint & forest-green gradient and glassmorphism styling.
 */

:root {
    --primary-orange: #FF7A00;
    --primary-orange-hover: #E06B00;
    --primary-blue: #0076B9;
    --primary-blue-hover: #00649E;

    /* Base color mapping (backward compatibility) */
    --primary-mint: var(--primary-orange);
    --primary-mint-hover: var(--primary-orange-hover);
    --forest-green: #10243C;
    --forest-dark: #0A1624;
    --forest-bg: #060E18;
    
    /* Glassmorphism elements styling using 104 corporate blue/navy bases */
    --card-bg-glass: rgba(16, 36, 60, 0.25);
    --card-border-glass: rgba(0, 118, 185, 0.25);
    --card-bg-glass-hover: rgba(16, 36, 60, 0.35);
    --text-white: #F4F7F9;
    --text-muted: #8E9CA8;
    
    /* Gradients and transitions */
    --gradient-mint-forest: linear-gradient(135deg, var(--primary-orange) 0%, var(--primary-blue) 100%);
    --gradient-dark: linear-gradient(180deg, var(--forest-dark) 0%, var(--forest-bg) 100%);
    --transition-smooth: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    --glow-shadow: 0 0 20px rgba(255, 122, 0, 0.3);
    --showcase-bg: linear-gradient(135deg, rgba(16, 36, 60, 0.25) 0%, rgba(10, 22, 36, 0.45) 100%);
}

/* Base resets & theme styles */
body {
    background-color: var(--forest-bg);
    color: var(--text-white);
    font-family: 'Outfit', 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-image: 
        radial-gradient(circle at 10% 20%, rgba(255, 122, 0, 0.05) 0%, transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(0, 118, 185, 0.15) 0%, transparent 50%);
    background-attachment: fixed;
}

h1, h2, h3, h4, h5, h6 {
    color: #FFFFFF;
    font-weight: 700;
}

/* Custom header & nav links */
.blog-header {
    border-bottom: 1px solid rgba(0, 245, 160, 0.1);
}

.blog-header-logo {
    font-weight: 800;
    letter-spacing: 1px;
    background: linear-gradient(to right, #ffffff, var(--primary-mint));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-size: 1.8rem;
    text-shadow: 0 0 10px rgba(0, 245, 160, 0.2);
}

.nav-link-sustain {
    color: var(--text-muted);
    font-weight: 500;
    transition: var(--transition-smooth);
    border-bottom: 2px solid transparent;
}

.nav-link-sustain:hover {
    color: var(--primary-mint);
    border-bottom: 2px solid var(--primary-mint);
    text-shadow: 0 0 8px rgba(0, 245, 160, 0.4);
}

/* Premium Glassmorphism Card Style */
.glass-card {
    background: var(--card-bg-glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--card-border-glass);
    border-radius: 16px;
    transition: var(--transition-smooth);
    overflow: hidden;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
}

.glass-card:hover {
    transform: translateY(-5px);
    background: var(--card-bg-glass-hover);
    border-color: rgba(0, 245, 160, 0.4);
    box-shadow: 0 12px 40px 0 rgba(0, 245, 160, 0.15);
}

/* Featured Hero Area */
.hero-sustain {
    position: relative;
    border-radius: 20px;
    padding: 3rem;
    background: linear-gradient(135deg, rgba(5, 26, 21, 0.9) 0%, rgba(3, 15, 12, 0.95) 100%);
    border: 1px solid rgba(0, 245, 160, 0.2);
    overflow: hidden;
}

.hero-sustain h4 {
    color: var(--text-muted);
}

.hero-sustain p.lead {
    color: var(--text-white);
}

.hero-sustain::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 245, 160, 0.12) 0%, transparent 60%);
    z-index: 0;
    pointer-events: none;
}

.hero-sustain-content {
    position: relative;
    z-index: 1;
}

.text-gradient-mint {
    background: var(--gradient-mint-forest);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Buttons styling */
.btn-sustain-primary {
    background: var(--gradient-mint-forest);
    color: var(--forest-dark);
    font-weight: 600;
    border: none;
    padding: 0.5rem 1.25rem;
    border-radius: 8px;
    transition: var(--transition-smooth);
}

.btn-sustain-primary:hover {
    box-shadow: var(--glow-shadow);
    transform: scale(1.03);
    color: #000000;
}

.btn-sustain-outline {
    background: transparent;
    color: var(--primary-mint);
    border: 1px solid var(--primary-mint);
    padding: 0.5rem 1.25rem;
    border-radius: 8px;
    transition: var(--transition-smooth);
}

.btn-sustain-outline:hover {
    background: rgba(0, 245, 160, 0.1);
    box-shadow: var(--glow-shadow);
    color: #FFFFFF;
}

/* Carbon Footprint Widget */
.carbon-calculator-widget {
    background: rgba(5, 26, 21, 0.85);
    border: 1px dashed var(--primary-mint);
    border-radius: 12px;
    padding: 1.5rem;
    position: relative;
    box-shadow: inset 0 0 10px rgba(0, 245, 160, 0.05);
}

.carbon-counter {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--primary-mint);
    font-variant-numeric: tabular-nums;
    text-shadow: 0 0 12px rgba(0, 245, 160, 0.3);
}

.carbon-badge {
    background: rgba(0, 245, 160, 0.1);
    color: var(--primary-mint);
    border: 1px solid rgba(0, 245, 160, 0.2);
    padding: 0.2rem 0.6rem;
    border-radius: 20px;
    font-size: 0.8rem;
    display: inline-block;
}

/* Custom Lists */
.sustain-list {
    list-style: none;
    padding-left: 0;
}

.sustain-list li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.75rem;
}

.sustain-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--primary-mint);
    font-weight: bold;
}

/* Side About panel refinement */
.about-panel {
    background: rgba(10, 60, 48, 0.15);
    border: 1px solid rgba(0, 245, 160, 0.1);
    border-radius: 12px;
    padding: 1.5rem;
    color: var(--text-white);
}

.about-panel ul {
    padding-left: 1.2rem;
}

.about-panel li {
    margin-bottom: 0.4rem;
    color: var(--text-white);
}

/* Footer sustainability signature */
.sustain-footer {
    border-top: 1px solid var(--card-border-glass);
    color: var(--text-muted);
    font-size: 0.9rem;
    background: var(--forest-bg);
}

/* Micro-animations */
@keyframes pulseGlow {
    0% { box-shadow: 0 0 10px rgba(255, 122, 0, 0.2); }
    50% { box-shadow: 0 0 20px rgba(255, 122, 0, 0.45); }
    100% { box-shadow: 0 0 10px rgba(255, 122, 0, 0.2); }
}

.pulse-glow {
    animation: pulseGlow 2s infinite ease-in-out;
}

/* Responsive adjust */
@media (max-width: 768px) {
    .hero-sustain {
        padding: 1.5rem;
    }
}

/* Form controls custom styling */
.form-control:focus, .form-select:focus {
    background-color: rgba(16, 36, 60, 0.2) !important;
    border-color: var(--primary-mint) !important;
    box-shadow: 0 0 10px rgba(255, 122, 0, 0.3) !important;
    color: #FFFFFF !important;
}

/* ==========================================
 * 104 Light Theme Overrides & Fonts Stack
 * ========================================== */
body.theme-light {
    --forest-bg: #FFFFFF;
    --forest-dark: #F8F9FA;
    --forest-green: #F1F3F5;
    --text-white: #1C252C; /* Dark Slate text */
    --text-muted: #5A6A75; /* Slate grey muted text */
    
    --card-bg-glass: rgba(255, 255, 255, 0.75);
    --card-border-glass: rgba(0, 118, 185, 0.15);
    --card-bg-glass-hover: rgba(255, 255, 255, 0.95);
    --glow-shadow: 0 8px 30px rgba(255, 122, 0, 0.12);
    --showcase-bg: linear-gradient(135deg, rgba(230, 238, 245, 0.75) 0%, rgba(240, 244, 248, 0.85) 100%);
    
    font-family: "PingFang TC", "Microsoft JhengHei", "Noto Sans TC", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    
    background-image: 
        radial-gradient(circle at 10% 20%, rgba(255, 122, 0, 0.03) 0%, transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(0, 118, 185, 0.06) 0%, transparent 50%);
}

/* Light Theme Element Refinements */
.theme-light h1, 
.theme-light h2, 
.theme-light h3, 
.theme-light h4, 
.theme-light h5, 
.theme-light h6 {
    color: #1C252C;
}

.theme-light .blog-header {
    border-bottom: 1px solid rgba(0, 118, 185, 0.1);
}

.theme-light .blog-header-logo {
    background: linear-gradient(to right, #1C252C, var(--primary-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 10px rgba(0, 118, 185, 0.05);
}

.theme-light .nav-link-sustain {
    color: var(--text-muted);
}

.theme-light .nav-link-sustain:hover {
    color: var(--primary-orange);
    border-bottom-color: var(--primary-orange);
    text-shadow: 0 0 8px rgba(255, 122, 0, 0.25);
}

.theme-light .glass-card {
    box-shadow: 0 8px 32px 0 rgba(0, 118, 185, 0.06);
}

.theme-light .glass-card:hover {
    box-shadow: 0 12px 40px 0 rgba(255, 122, 0, 0.12);
    border-color: rgba(255, 122, 0, 0.3);
}

.theme-light .hero-sustain {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(244, 247, 249, 0.98) 100%);
    border: 1px solid rgba(0, 118, 185, 0.15);
}

.theme-light .hero-sustain::before {
    background: radial-gradient(circle, rgba(0, 118, 185, 0.05) 0%, transparent 60%);
}

.theme-light .hero-sustain-content p.lead {
    color: #4A5568;
}

.theme-light .btn-sustain-outline {
    color: var(--primary-orange);
    border-color: var(--primary-orange);
}

.theme-light .btn-sustain-outline:hover {
    background: rgba(255, 122, 0, 0.08);
    color: var(--primary-orange-hover);
}

.theme-light .carbon-calculator-widget {
    background: rgba(240, 244, 248, 0.5);
    border: 1px dashed var(--primary-mint);
    box-shadow: inset 0 0 10px rgba(0, 118, 185, 0.02);
}

.theme-light .carbon-badge {
    background: rgba(255, 122, 0, 0.08);
    color: var(--primary-orange);
    border-color: rgba(255, 122, 0, 0.15);
}

.theme-light .about-panel {
    background: rgba(0, 118, 185, 0.04);
    border: 1px solid rgba(0, 118, 185, 0.08);
}

.theme-light .sustain-footer {
    background: #F8F9FA;
    border-top: 1px solid rgba(0, 118, 185, 0.1);
    color: #5A6A75;
}

.theme-light .pulse-glow {
    animation: pulseGlowLight 2s infinite ease-in-out;
}

@keyframes pulseGlowLight {
    0% { box-shadow: 0 0 10px rgba(255, 122, 0, 0.15); }
    50% { box-shadow: 0 0 20px rgba(255, 122, 0, 0.35); }
    100% { box-shadow: 0 0 10px rgba(255, 122, 0, 0.15); }
}

.theme-light .form-control:focus, 
.theme-light .form-select:focus {
    background-color: #FFFFFF !important;
    color: #1C252C !important;
    box-shadow: 0 0 10px rgba(255, 122, 0, 0.2) !important;
}