/* CSS Design System - ASELESA (Light Theme: White & Green) */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Plus+Jakarta+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;1,400&display=swap');

:root {
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Plus Jakarta Sans', sans-serif;
    
    /* Colors (Light Theme) */
    --bg-dark: #f8fafc;        /* Soft off-white */
    --bg-surface: #ffffff;     /* Pure white */
    --bg-card: #ffffff;
    --border-color: #e2e8f0;   /* Light gray border */
    --border-focus: #7b9244;   /* Green focus border */
    
    --text-primary: #0f172a;   /* Deep slate for primary text */
    --text-secondary: #475569; /* Medium slate for secondary text */
    --text-muted: #64748b;     /* Muted slate */
    
    /* Gradients & Accents (Green Palette from Reference) */
    --primary: #7b9244;        /* Leaf Green */
    --primary-light: #a2c058;   /* Lime Green */
    --accent: #7b9244;
    --accent-light: #a2c058;
    --gradient-primary: linear-gradient(135deg, #7b9244 0%, #a2c058 100%);
    --gradient-glow: radial-gradient(circle, rgba(123, 146, 68, 0.08) 0%, transparent 60%);
    
    /* Shadow & Glows (Optimized for Light Theme) */
    --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.04);
    --shadow-md: 0 10px 30px rgba(15, 23, 42, 0.06);
    --shadow-lg: 0 20px 40px rgba(15, 23, 42, 0.1);
    
    /* Animation & Timing */
    --transition-fast: 0.2s ease;
    --transition-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    
    /* Borders */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
}

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

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

body {
    background-color: var(--bg-dark);
    color: var(--text-primary);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}
::-webkit-scrollbar-track {
    background: var(--bg-dark);
}
::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: var(--radius-sm);
    border: 2px solid var(--bg-dark);
}
::-webkit-scrollbar-thumb:hover {
    background: var(--primary);
}

/* Layout Utilities */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section-padding {
    padding: 100px 0;
    position: relative;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

p {
    color: var(--text-secondary);
}

/* Shared Header Navigation */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    backdrop-filter: blur(16px);
    background-color: rgba(255, 255, 255, 0.85); /* Semi-transparent white bg */
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition-smooth);
}

.header-container {
    height: 90px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.logo img {
    max-height: 50px;
    width: auto;
}

.nav-menu ul {
    display: flex;
    list-style: none;
    gap: 2.25rem;
    align-items: center;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition-fast);
    padding: 0.5rem 0;
    position: relative;
}

.nav-link:hover, .nav-link.active {
    color: var(--primary);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2.5px;
    background: var(--gradient-primary);
    transition: var(--transition-smooth);
}

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

.btn-nav {
    background: var(--gradient-primary);
    color: #fff !important;
    padding: 0.7rem 1.4rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    border: none;
    box-shadow: var(--shadow-sm);
}

.btn-nav::after {
    display: none !important;
}

.btn-nav:hover {
    box-shadow: 0 4px 15px rgba(123, 146, 68, 0.3);
    transform: translateY(-1px);
}

/* Mobile Toggle */
.mobile-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 26px;
    height: 18px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 1001;
}

.mobile-toggle .bar {
    width: 100%;
    height: 2px;
    background-color: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition-smooth);
}

/* Hero Section */
.hero-subpage {
    position: relative;
    padding: 180px 0 80px 0;
    background-image: var(--gradient-glow);
    background-position: center top -100px;
    background-repeat: no-repeat;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
    background-color: var(--bg-surface);
}

.hero-subpage-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.hero-subpage-desc {
    font-size: 1.2rem;
    max-width: 600px;
    margin: 0 auto;
    color: var(--text-secondary);
}

/* Button Styles */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.85rem 2rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition-fast);
    cursor: pointer;
}

.btn-primary {
    background: var(--gradient-primary);
    color: #fff;
    border: none;
    box-shadow: 0 4px 15px rgba(123, 146, 68, 0.25);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 22px rgba(123, 146, 68, 0.4);
}

.btn-secondary {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background: #f1f5f9;
    border-color: var(--text-secondary);
    transform: translateY(-2px);
}

/* Cards & Glassmorphism */
.glass-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 2.25rem;
    transition: var(--transition-smooth);
    box-shadow: var(--shadow-md);
}

.glass-card:hover {
    border-color: var(--border-focus);
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

/* Shared Footer */
.main-footer {
    background-color: var(--bg-surface);
    border-top: 1px solid var(--border-color);
    padding: 5rem 0 2rem 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
    gap: 3rem;
    margin-bottom: 4rem;
}

.footer-col h3 {
    font-size: 1.15rem;
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 0.5rem;
}

.footer-col h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2.5px;
    background: var(--primary);
}

.footer-col p {
    font-size: 0.95rem;
    line-height: 1.7;
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    transition: var(--transition-fast);
}

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

.footer-contact-info {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.footer-contact-info span {
    color: var(--text-primary);
    font-weight: 600;
}

.newsletter-form {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
}

.newsletter-form input {
    background-color: #f1f5f9;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 0.75rem 1rem;
    color: var(--text-primary);
    flex-grow: 1;
    font-family: var(--font-body);
}

.newsletter-form input:focus {
    border-color: var(--primary);
    outline: none;
}

.newsletter-form button {
    background: var(--gradient-primary);
    color: #fff;
    border: none;
    padding: 0.75rem 1.25rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition-fast);
}

.newsletter-form button:hover {
    box-shadow: 0 4px 12px rgba(123, 146, 68, 0.2);
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.footer-bottom-links {
    display: flex;
    gap: 1.5rem;
}

.footer-bottom-links a {
    color: var(--text-muted);
    text-decoration: none;
    transition: var(--transition-fast);
}

.footer-bottom-links a:hover {
    color: var(--text-secondary);
}

/* Animations helper */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Media Queries */
@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 2.5rem;
    }
}

@media (max-width: 768px) {
    .header-container {
        height: 80px;
    }
    
    .mobile-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background-color: var(--bg-surface);
        border-top: 1px solid var(--border-color);
        transition: var(--transition-smooth);
        padding: 3rem 2rem;
        overflow-y: auto;
    }
    
    .nav-menu.open {
        left: 0;
    }
    
    .nav-menu ul {
        flex-direction: column;
        align-items: stretch;
        gap: 1.75rem;
    }
    
    .nav-link {
        font-size: 1.15rem;
        display: block;
        text-align: center;
        padding: 0.75rem 0;
    }
    
    .nav-link::after {
        display: none;
    }
    
    .btn-nav {
        margin-top: 1rem;
    }
    
    /* Toggle Icon Animation */
    .mobile-toggle.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    
    .mobile-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-toggle.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
    
    .hero-subpage-title {
        font-size: 2.5rem;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 1.5rem;
        text-align: center;
    }
}