/* Core Styling & Design System - HBA ESG Consultants */
/* Google Fonts Integration */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

/* CSS Custom Properties (Design Tokens) */
:root {
    /* Color Palette */
    --primary-dark: #0B291B;      /* Deep Forest Green */
    --primary-medium: #1B4332;    /* Dark Emerald */
    --primary-accent: #2D6A4F;    /* Forest Accent */
    --secondary-green: #40916C;   /* Soothing Sage Green */
    --accent-gold: #C5A059;       /* Premium Muted Gold */
    --accent-gold-hover: #E3BE79; /* Vibrant Gold Accent */
    
    /* Neutral Tones */
    --bg-light: #F9FAF9;          /* Warm Off-White */
    --bg-card: #FFFFFF;
    --text-dark: #1E293B;         /* Slate 800 */
    --text-muted: #64748B;        /* Slate 500 */
    --border-color: #E2E8F0;      /* Slate 200 */
    --glass-bg: rgba(255, 255, 255, 0.85);
    --glass-border: rgba(255, 255, 255, 0.4);
    
    /* Typography */
    --font-heading: 'Outfit', 'Inter', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(11, 41, 27, 0.05);
    --shadow-md: 0 10px 15px -3px rgba(11, 41, 27, 0.08), 0 4px 6px -2px rgba(11, 41, 27, 0.04);
    --shadow-lg: 0 20px 25px -5px rgba(11, 41, 27, 0.12), 0 10px 10px -5px rgba(11, 41, 27, 0.06);
    --shadow-gold: 0 4px 14px rgba(197, 160, 89, 0.35);
    --shadow-glass: 0 8px 32px 0 rgba(11, 41, 27, 0.08);

    /* Borders */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
    font-family: var(--font-body);
    background-color: var(--bg-light);
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Headings */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.25;
    color: var(--primary-dark);
}

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

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Layout Utilities */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 80px 0;
}

.text-center { text-align: center; }

/* Premium Header / Navigation */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(11, 41, 27, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    transition: var(--transition-smooth);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    color: #FFFFFF;
}

.logo span {
    color: var(--accent-gold);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 32px;
    align-items: center;
}

.nav-link {
    color: rgba(255, 255, 255, 0.85);
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
    padding: 8px 0;
}

.nav-link:hover {
    color: var(--accent-gold);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-gold);
    transition: var(--transition-fast);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-link.active {
    color: var(--accent-gold);
}

/* Call to Action Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.95rem;
    padding: 12px 28px;
    border-radius: var(--radius-full);
    transition: var(--transition-smooth);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background-color: var(--accent-gold);
    color: var(--primary-dark);
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    background-color: var(--accent-gold-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-gold);
}

.btn-secondary {
    background: transparent;
    color: #FFFFFF;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
    border-color: #FFFFFF;
    background-color: rgba(255, 255, 255, 0.05);
    transform: translateY(-2px);
}

.btn-outline-green {
    background: transparent;
    color: var(--primary-dark);
    border: 2px solid var(--primary-accent);
}

.btn-outline-green:hover {
    background-color: var(--primary-dark);
    color: #FFFFFF;
    border-color: var(--primary-dark);
    transform: translateY(-2px);
}

/* Footer Section */
.footer {
    background-color: var(--primary-dark);
    color: rgba(255, 255, 255, 0.7);
    padding: 60px 0 30px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col h3 {
    color: #FFFFFF;
    font-size: 1.2rem;
    margin-bottom: 20px;
    font-family: var(--font-heading);
}

.footer-col p {
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 20px;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
}

.footer-links a:hover {
    color: var(--accent-gold);
    padding-left: 5px;
}

.footer-contact-info {
    display: flex;
    flex-direction: column;
    gap: 12px;
    font-size: 0.95rem;
}

.footer-contact-item {
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
}

.footer-bottom-links {
    display: flex;
    gap: 20px;
}

.footer-bottom-links a:hover {
    color: var(--accent-gold);
}

/* Badge for Compliance Standards */
.badge-container {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 16px;
}

.badge {
    display: inline-flex;
    align-items: center;
    background-color: rgba(64, 145, 108, 0.1);
    color: var(--primary-accent);
    padding: 6px 14px;
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 600;
    border: 1px solid rgba(64, 145, 108, 0.2);
}

.badge-gold {
    background-color: rgba(197, 160, 89, 0.1);
    color: var(--primary-dark);
    border-color: rgba(197, 160, 89, 0.3);
}

/* Responsive Menu Styles */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: #FFFFFF;
    border-radius: var(--radius-full);
    transition: var(--transition-fast);
}

/* Mobile Media Queries */
@media (max-width: 992px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 30px;
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background-color: var(--primary-dark);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 40px;
        transition: var(--transition-smooth);
        z-index: 999;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
    
    .section {
        padding: 50px 0;
    }
}

/* =============================================
   WHATSAPP FLOATING BUTTON
   ============================================= */
.whatsapp-btn {
    position: fixed;
    bottom: 100px;
    right: 28px;
    width: 42px;
    height: 42px;
    background: #25D366;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 998;
    box-shadow: 0 3px 12px rgba(37, 211, 102, 0.4);
    transition: var(--transition-smooth);
    text-decoration: none;
}
.whatsapp-btn:hover {
    transform: scale(1.08);
    box-shadow: 0 5px 18px rgba(37, 211, 102, 0.55);
}
.whatsapp-btn svg {
    width: 22px;
    height: 22px;
    fill: #FFFFFF;
}

/* =============================================
   TESTIMONIALS SECTION
   ============================================= */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    margin-top: 50px;
}
.testimonial-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 36px 30px;
    position: relative;
    transition: var(--transition-smooth);
    box-shadow: var(--shadow-sm);
}
.testimonial-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-gold);
}
.testimonial-stars {
    color: var(--accent-gold);
    font-size: 1.1rem;
    margin-bottom: 16px;
    letter-spacing: 2px;
}
.testimonial-card blockquote {
    font-size: 0.97rem;
    color: var(--text-muted);
    line-height: 1.75;
    font-style: italic;
    margin-bottom: 24px;
    border: none;
    padding: 0;
}
.testimonial-author {
    display: flex;
    align-items: center;
    gap: 14px;
}
.testimonial-avatar {
    width: 46px;
    height: 46px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--primary-medium), var(--secondary-green));
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 700;
    font-size: 1rem;
    flex-shrink: 0;
}
.testimonial-info strong {
    display: block;
    font-size: 0.9rem;
    color: var(--primary-dark);
    font-weight: 600;
}
.testimonial-info span {
    font-size: 0.8rem;
    color: var(--text-muted);
}
@media (max-width: 900px) {
    .testimonials-grid { grid-template-columns: 1fr; }
}

/* =============================================
   WHY CHOOSE US SECTION
   ============================================= */
.why-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: 50px;
}
.why-card {
    text-align: center;
    padding: 36px 24px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    transition: var(--transition-smooth);
}
.why-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--secondary-green);
}
.why-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--primary-medium), var(--secondary-green));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px auto;
    color: #fff;
}
.why-card h4 {
    font-size: 1rem;
    margin-bottom: 10px;
    color: var(--primary-dark);
}
.why-card p {
    font-size: 0.875rem;
    color: var(--text-muted);
    line-height: 1.65;
}
@media (max-width: 900px) {
    .why-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 500px) {
    .why-grid { grid-template-columns: 1fr; }
}

/* =============================================
   FAQ SECTION
   ============================================= */
.faq-list {
    max-width: 820px;
    margin: 50px auto 0 auto;
    display: flex;
    flex-direction: column;
    gap: 14px;
}
.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: var(--transition-smooth);
}
.faq-item.open {
    border-color: var(--secondary-green);
    box-shadow: var(--shadow-md);
}
.faq-question {
    width: 100%;
    background: none;
    border: none;
    padding: 22px 28px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    color: var(--primary-dark);
    text-align: left;
    gap: 16px;
}
.faq-question .faq-icon {
    width: 26px;
    height: 26px;
    background: var(--bg-light);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: var(--transition-fast);
    font-size: 1.2rem;
    color: var(--primary-accent);
}
.faq-item.open .faq-icon {
    transform: rotate(45deg);
    background: var(--primary-medium);
    color: #fff;
}
.faq-answer {
    display: none;
    padding: 0 28px 22px 28px;
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.75;
}
.faq-item.open .faq-answer {
    display: block;
}

/* =============================================
   PRICING / GET A QUOTE SECTION
   ============================================= */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    margin-top: 50px;
    align-items: start;
}
.pricing-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    text-align: center;
    transition: var(--transition-smooth);
    position: relative;
}
.pricing-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}
.pricing-card.featured {
    background: linear-gradient(160deg, var(--primary-dark), var(--primary-medium));
    border-color: var(--accent-gold);
    color: #fff;
}
.pricing-badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent-gold);
    color: var(--primary-dark);
    font-size: 0.75rem;
    font-weight: 700;
    padding: 5px 18px;
    border-radius: var(--radius-full);
    white-space: nowrap;
    letter-spacing: 0.05em;
}
.pricing-card h3 {
    font-size: 1.3rem;
    margin-bottom: 6px;
}
.pricing-card.featured h3 { color: #fff; }
.pricing-card .pricing-subtitle {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 28px;
}
.pricing-card.featured .pricing-subtitle { color: rgba(255,255,255,0.7); }
.pricing-features {
    list-style: none;
    text-align: left;
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 32px;
}
.pricing-features li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 0.9rem;
    color: var(--text-muted);
}
.pricing-card.featured .pricing-features li { color: rgba(255,255,255,0.85); }
.pricing-features li::before {
    content: "✓";
    color: var(--secondary-green);
    font-weight: 700;
    flex-shrink: 0;
}
.pricing-card.featured .pricing-features li::before { color: var(--accent-gold); }
@media (max-width: 900px) {
    .pricing-grid { grid-template-columns: 1fr; max-width: 480px; margin-left: auto; margin-right: auto; }
}

/* =============================================
   TEAM / ABOUT PAGE
   ============================================= */
.team-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    margin-top: 50px;
}
.team-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    text-align: center;
    transition: var(--transition-smooth);
}
.team-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-gold);
}
.team-avatar {
    width: 150px;
    height: 150px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--primary-medium), var(--secondary-green));
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px auto;
    color: #fff;
    font-weight: 700;
    font-size: 2rem;
    border: 3px solid var(--accent-gold);
    overflow: hidden;
}
.team-card h3 {
    font-size: 1.15rem;
    margin-bottom: 4px;
}
.team-role {
    display: inline-block;
    background: rgba(45, 106, 79, 0.1);
    color: var(--primary-accent);
    font-size: 0.78rem;
    font-weight: 600;
    padding: 4px 14px;
    border-radius: var(--radius-full);
    margin-bottom: 14px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}
.team-card p {
    font-size: 0.875rem;
    color: var(--text-muted);
    line-height: 1.65;
}
.team-card.highlight {
    border-color: var(--accent-gold);
    box-shadow: var(--shadow-gold);
}
@media (max-width: 900px) {
    .team-grid { grid-template-columns: 1fr; max-width: 420px; margin-left: auto; margin-right: auto; }
}