/* =================================================================
   Adithaalama - Modern Design Stylesheet (Indigo & Cyan Theme)
   ================================================================= */

/* --- 1. Variables & Basic Setup --- */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700;800&display=swap');

:root {
    --primary-color: #4F46E5; /* Modern Indigo */
    --secondary-color: #06B6D4; /* Vibrant Cyan */
    --dark-blue: #1E1B4B; /* Deep Indigo */
    --light-blue-bg: #F8FAFC; /* Soft Slate Background */
    --text-dark: #0F172A;
    --text-light: #475569;
    --text-white: #FFFFFF;
    --bg-main: #FAFAF9; /* Subtle warm white for main body */
    --bg-card: #FFFFFF;
    --border-color: #E2E8F0;
    --green-color: #10B981;
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.05); /* Softer modern shadow */
    --shadow-lg: 0 20px 25px -5px rgba(79, 70, 229, 0.15); /* Sleek colored glow */
    --radius: 12px; /* Rounder modern corners */
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--bg-main);
    color: var(--text-light);
    line-height: 1.7;
    transition: background-color 0.3s, color 0.3s;
}
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 1rem; }
a { color: var(--primary-color); text-decoration: none; }

/* --- 2. Header & Navigation --- */
.header {
    background-color: var(--bg-main);
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color);
    position: sticky; top: 0; z-index: 1000;
}
.header .container { display: flex; justify-content: space-between; align-items: center; }
.logo-container { text-decoration: none; }
.logo-bg {
    background-color: var(--secondary-color);
    color: var(--text-white);
    font-weight: 700;
    padding: 0.5rem 1rem;
    border-radius: var(--radius);
    font-size: 1rem;
    box-shadow: 0 4px 6px -1px rgba(6, 182, 212, 0.3);
}
.main-nav .nav-list { display: flex; list-style: none; gap: 0.5rem; margin: 0; padding: 0; }
.nav-link {
    color: var(--text-light);
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: var(--radius);
    transition: all 0.3s ease;
    border: 2px solid transparent;
}
.nav-link:hover { color: var(--primary-color); background-color: var(--light-blue-bg); }
.nav-link.active-nav {
    color: white!important;
    background-color: var(--primary-color)!important;
    font-weight: 600;
    box-shadow: 0 4px 6px -1px rgba(79, 70, 229, 0.3);
}
.header-actions { display: flex; align-items: center; gap: 1rem; }


/* --- 3. Hero Section --- */
.hero-section {
    background: radial-gradient(circle at 10% 20%, var(--light-blue-bg), transparent 70%), 
                radial-gradient(circle at 90% 80%, var(--light-blue-bg), transparent 70%);
    background-color: var(--bg-main);
    padding: 4rem 0; overflow: hidden;
}
.hero-content { display: flex; justify-content: space-between; align-items: center; gap: 2rem; }
.hero-left { max-width: 600px; }
.hero-tagline {
    background-color: var(--primary-color); color: white;
    padding: 0.35rem 1rem; display: inline-block;
    border-radius: 20px; font-weight: 600; margin-bottom: 1rem;
    letter-spacing: 1px; font-size: 0.85rem;
    text-transform: uppercase;
}
.hero-title { font-size: clamp(2.5rem, 5vw, 3.8rem); color: var(--text-dark); font-weight: 800; line-height: 1.15; margin-bottom: 1rem; letter-spacing: -1px; }
.hero-subtitle { font-size: 1.1rem; max-width: 500px; margin-bottom: 2rem; color: var(--text-light); }
.hero-buttons { display: flex; gap: 1rem; flex-wrap: wrap; }
.btn {
    padding: 0.8rem 1.8rem; font-weight: 600;
    border-radius: var(--radius); transition: all 0.3s ease;
    border: 2px solid transparent; cursor: pointer;
}
.btn-primary { background-color: var(--primary-color); color: white; border-color: var(--primary-color); box-shadow: 0 4px 6px -1px rgba(79, 70, 229, 0.4); }
.btn-primary:hover { background-color: var(--dark-blue); border-color: var(--dark-blue); transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.btn-secondary { background-color: var(--bg-card); border-color: var(--border-color); color: var(--text-dark); }
.btn-secondary:hover { background-color: var(--light-blue-bg); transform: translateY(-3px); box-shadow: var(--shadow-md); }

.hero-right { position: relative; display: grid; place-items: center; width: 250px; height: 250px; }
.hero-icon-bg {
    width: 200px; height: 200px; background-color: var(--bg-card);
    border-radius: 50%; display: grid; place-items: center;
    box-shadow: var(--shadow-lg); border: 1px solid var(--border-color);
}
.hero-icon-bg i { font-size: 5rem; color: var(--primary-color); }
.floating-icon {
    position: absolute; width: 60px; height: 60px;
    background-color: var(--bg-card); border-radius: 50%; display: grid; place-items: center;
    color: var(--primary-color); font-size: 1.5rem; box-shadow: var(--shadow-md);
    animation: float 4s ease-in-out infinite;
}
.icon-1 { top: 0; left: 0; animation-delay: 0s; }
.icon-2 { bottom: 10px; right: 0; background-color: var(--secondary-color); color: var(--text-white); animation-delay: 1.5s; }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-15px); } }

/* --- 4. Content & Cards --- */
.tab-content { display: none; padding: 2rem 0; }
.tab-content.active { display: block; }
.updates-section { padding: 4rem 0; }
.page-title, .section-title { font-size: 2.2rem; text-align: center; margin: 2rem 0 3rem 0; color: var(--text-dark); letter-spacing: -0.5px; }
.content-container { display: grid; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); gap: 1.5rem; }
.data-card {
    background-color: var(--bg-card); border: 1px solid var(--border-color);
    border-radius: var(--radius); display: flex; flex-direction: column;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.3s cubic-bezier(0.4, 0, 0.2, 1); text-decoration: none;
}
.data-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.card-header { display: flex; align-items: center; gap: 1rem; padding: 1.25rem; }
.card-logo, .card-logo-placeholder {
    width: 55px; height: 55px; border-radius: 50%; object-fit: contain; flex-shrink: 0;
    border: 1px solid var(--border-color); padding: 5px; background-color: var(--light-blue-bg);
}
.card-logo-placeholder { display: grid; place-items: center; font-size: 1.5rem; color: var(--primary-color); }
.card-title-group { flex-grow: 1; }
.card-title { font-size: 1.15rem; color: var(--text-dark); margin: 0; line-height: 1.4; font-weight: 700; }
.card-company { font-size: 0.9rem; color: var(--primary-color); margin: 0; font-weight: 500; }
.card-body { padding: 0 1.25rem; flex-grow: 1; }
.card-description { font-size: 0.95rem; color: var(--text-light); }
.card-footer { border-top: 1px solid var(--border-color); padding: 1.25rem; margin-top: 1rem; display: flex; justify-content: space-between; align-items: center; }
.badge { background-color: var(--light-blue-bg); color: var(--text-dark); font-size: 0.8rem; font-weight: 600; padding: 0.35rem 0.85rem; border-radius: 20px; }
.read-more { font-weight: 600; color: var(--primary-color); display: flex; align-items: center; gap: 0.5rem; transition: gap 0.2s ease; }
.data-card:hover .read-more { gap: 0.75rem; }

/* --- 5. WhatsApp CTA & Footer --- */
.whatsapp-cta-block {
    background-color: var(--bg-card); border: 1px solid var(--border-color);
    padding: 2.5rem; border-radius: var(--radius); margin: 4rem auto; max-width: 800px;
    box-shadow: var(--shadow-md); position: relative; overflow: hidden;
}
.whatsapp-cta-block::before {
    content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 6px; background-color: var(--green-color);
}
.whatsapp-container { display: flex; align-items: center; gap: 1.5rem; }
.whatsapp-icon { font-size: 3.5rem; color: var(--green-color); }
.whatsapp-text h3 { color: var(--text-dark); margin-bottom: 0.5rem; font-size: 1.5rem; }
.btn-whatsapp { background-color: var(--green-color); color: white; display: inline-flex; align-items: center; gap: 0.5rem; box-shadow: 0 4px 6px -1px rgba(16, 185, 129, 0.4); }

.footer { background-color: var(--dark-blue); color: #94A3B8; padding: 5rem 0 0; margin-top: 4rem; }
body.dark-mode .footer { background-color: #020617; }
.footer-main { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 3rem; margin-bottom: 3rem; }
.footer-logo { display: inline-block; text-decoration: none; margin-bottom: 1.5rem; }
.footer-description { margin-top: 1rem; max-width: 350px; font-size: 0.95rem; }
.footer h4 { color: white; font-size: 1.1rem; margin-bottom: 1.5rem; font-weight: 600; }
.footer ul { list-style: none; padding: 0;}
.footer li { margin-bottom: 0.75rem; }
.footer a { color: #94A3B8; transition: color 0.2s ease; }
.footer a:hover { color: white; text-decoration: none; }
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1); padding: 2rem 0;
    display: flex; justify-content: space-between; align-items: center; font-size: 0.9rem;
}
.footer-legal-links a { margin-left: 2rem; }

/* --- 6. Responsiveness --- */
@media (max-width: 992px) {
    .hero-content { flex-direction: column-reverse; text-align: center; }
    .hero-left, .hero-subtitle { max-width: 100%; align-items: center; display: flex; flex-direction: column;}
    .hero-buttons { justify-content: center; }
    .footer-main { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .main-nav {
        display: none; position: absolute; top: 100%; left: 0; right: 0;
        background: var(--bg-main); box-shadow: var(--shadow-md);
        border-top: 1px solid var(--border-color);
    }
   .main-nav.is-open {
    display: block; position: absolute; top: 100%; left: 0; right: 0;
    background: var(--bg-main); box-shadow: var(--shadow-md);
    border-top: 1px solid var(--border-color);
}
    .main-nav .nav-list { flex-direction: column; gap: 0; padding: 0.5rem; }
    .nav-link { text-align: left; padding: 1.25rem 1rem; border-bottom: 1px solid var(--border-color); border-radius: 0; }
    .nav-link:last-child { border-bottom: none; }
    .mobile-menu-btn { display: block; background: none; border: none; font-size: 1.5rem; cursor: pointer; color: var(--text-dark); }
    .footer-main { grid-template-columns: 1fr; text-align: center; }
    .footer-about, .footer-links, .footer-connect { align-items: center; display: flex; flex-direction: column;}
    .footer-bottom { flex-direction: column; gap: 1rem; }
    .footer-legal-links { display: flex; flex-direction: column; gap: 1rem; }
    .footer-legal-links a { margin: 0; }
    .whatsapp-container { flex-direction: column; text-align: center; }
}

/* =================================================================
   PAGINATION STYLES
   ================================================================= */
.pagination-container {
    display: flex; justify-content: center; align-items: center;
    margin-top: 3rem; padding-bottom: 2rem;
}
.pagination-list {
    list-style: none; padding: 0; margin: 0; display: flex; gap: 0.25rem;
    border: 1px solid var(--border-color); border-radius: var(--radius);
    padding: 0.5rem; background-color: var(--bg-card); box-shadow: var(--shadow-md);
}
.page-item { margin: 0; }
.page-link {
    display: block; min-width: 40px; padding: 0.5rem 1rem; border-radius: 8px;
    text-align: center; font-weight: 600; color: var(--text-light);
    background-color: transparent; border: none; cursor: pointer;
    transition: all 0.2s ease;
}
.page-item:not(.active):not(.disabled) .page-link:hover {
    background-color: var(--light-blue-bg); color: var(--primary-color);
}
.page-item.active .page-link {
    background-color: var(--primary-color); color: var(--text-white);
    box-shadow: 0 4px 6px -1px rgba(79, 70, 229, 0.4); cursor: default;
}
.page-item.disabled .page-link { color: var(--border-color); cursor: not-allowed; }
.page-item.disabled span.page-link { color: var(--text-light); }

/* =================================================================
   FILTER SECTION STYLES
   ================================================================= */
.filter-section {
    background-color: var(--bg-card); padding: 1.5rem; border-radius: var(--radius);
    box-shadow: var(--shadow-md); margin-bottom: 2.5rem; border: 1px solid var(--border-color);
}
.filter-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 1.5rem; }
.filter-label { display: block; margin-bottom: 0.5rem; font-weight: 600; color: var(--text-dark); font-size: 0.95rem; }
.filter-input, .filter-select {
    width: 100%; padding: 0.85rem 1rem; border: 1px solid var(--border-color);
    border-radius: 8px; font-size: 1rem; background-color: var(--bg-main);
    color: var(--text-dark); transition: border-color 0.2s, box-shadow 0.2s;
    font-family: 'Poppins', sans-serif;
}
.filter-input:focus, .filter-select:focus {
    border-color: var(--primary-color); outline: none; box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

/* =================================================================
   NEWSLETTER SECTION STYLES
   ================================================================= */
.newsletter-section {
    background-color: var(--primary-color); padding: 5rem 1rem;
    margin-top: 4rem; position: relative; overflow: hidden;
}
.newsletter-content { max-width: 700px; margin: 0 auto; text-align: center; position: relative; z-index: 2; }
.newsletter-text h3 { color: white; font-size: 2rem; margin-bottom: 0.75rem; font-weight: 800; }
.newsletter-text p { color: rgba(255, 255, 255, 0.8); margin-bottom: 2.5rem; font-size: 1.1rem; }
.newsletter-form { display: flex; gap: 0.5rem; max-width: 550px; margin: 0 auto; background: white; padding: 0.5rem; border-radius: 50px; box-shadow: var(--shadow-lg); }
.newsletter-form input {
    flex-grow: 1; padding: 1rem 1.5rem; border: none; border-radius: 50px;
    font-size: 1rem; background: transparent; outline: none;
}
.newsletter-form button {
    background-color: var(--text-dark); color: white; border: none; padding: 0.8rem 2rem;
    border-radius: 50px; cursor: pointer; font-weight: 600; transition: background-color 0.2s;
}
.newsletter-form button:hover { background-color: black; }
.newsletter-feedback { margin-top: 1rem; font-weight: 600; color: white; }

/* =================================================================
   DETAIL PAGE STYLES
   ================================================================= */
.detail-container {
    background-color: var(--bg-card); padding: 2.5rem; border-radius: var(--radius);
    border: 1px solid var(--border-color); margin-top: 2rem; box-shadow: var(--shadow-md);
}
.breadcrumb {
    font-size: 0.9rem; background-color: var(--light-blue-bg); padding: 0.85rem 1.5rem;
    border-radius: 50px; margin-bottom: 2.5rem; color: var(--text-light); display: inline-block;
}
.breadcrumb a { color: var(--primary-color); text-decoration: none; font-weight: 600; }
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb span { color: var(--text-dark); font-weight: 600; }

.detail-thumbnail {
    width: 100%; height: auto; max-height: 500px; object-fit: contain;
    border-radius: var(--radius); margin-bottom: 2.5rem; background-color: var(--light-blue-bg);
    border: 1px solid var(--border-color);
}
.detail-title { font-size: 2.5rem; color: var(--text-dark); margin-bottom: 0.75rem; font-weight: 800; line-height: 1.2; letter-spacing: -0.5px; }
.detail-subtitle { font-size: 1.2rem; color: var(--primary-color); margin-bottom: 1.5rem; font-weight: 600; }
.detail-meta {
    display: flex; flex-wrap: wrap; gap: 1rem 2.5rem; padding: 1.5rem 0;
    margin: 2rem 0; border-top: 1px solid var(--border-color); border-bottom: 1px solid var(--border-color);
}
.meta-item { font-size: 1rem; }
.meta-item strong { color: var(--text-dark); font-weight: 600; margin-right: 0.25rem; }

.detail-body { line-height: 1.8; font-size: 1.05rem; color: var(--text-dark); }
.detail-body h3 { font-size: 1.5rem; margin-top: 2.5rem; margin-bottom: 1rem; font-weight: 700; }
.detail-body ul { list-style-position: inside; padding-left: 1rem; margin-bottom: 1.5rem; }

.detail-section { margin-top: 3rem; padding-top: 2.5rem; border-top: 1px dashed var(--border-color); }
.detail-section-title, .detail-section h3 {
    font-size: 1.6rem; color: var(--text-dark); margin-bottom: 1.5rem;
    display: flex; align-items: center; gap: 0.75rem; font-weight: 700;
}
.detail-section h3 i { color: var(--primary-color); }

.btn-container { display: flex; flex-wrap: wrap; gap: 15px; }
.btn-download {
    padding: 12px 24px; border-radius: var(--radius); color: white !important;
    text-decoration: none; font-weight: 600; transition: transform 0.2s ease, box-shadow 0.2s ease;
    display: inline-flex; align-items: center; gap: 0.5rem;
}
.btn-download:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.btn-download.sinhala { background-color: #E11D48; } /* Rose */
.btn-download.tamil { background-color: #059669; } /* Emerald */
.btn-download.english { background-color: #2563EB; } /* Blue */
.btn-download.application { background-color: #7C3AED; } /* Purple */

/* --- Related Posts & Tags --- */
.related-posts-section { margin-top: 4rem; padding-top: 3rem; border-top: 1px solid var(--border-color); }
.related-posts-section .data-card { padding: 0.5rem; }
.tags-container .tag-link {
    display: inline-block; background-color: var(--light-blue-bg); color: var(--text-dark);
    padding: 0.4rem 1rem; border-radius: 50px; margin-right: 0.5rem; margin-bottom: 0.5rem;
    font-size: 0.95rem; font-weight: 500; text-decoration: none; border: 1px solid var(--border-color);
    transition: all 0.2s ease;
}
.tags-container .tag-link:hover { background-color: var(--primary-color); color: white; border-color: var(--primary-color); }

/* --- Comments --- */
.comment-form-container {
    background-color: var(--bg-main); border: 1px solid var(--border-color);
    padding: 2.5rem; border-radius: var(--radius); margin-top: 2rem; margin-bottom: 3rem;
}
.comment-form-container h4 { font-size: 1.4rem; margin-top: 0; margin-bottom: 0.5rem; color: var(--text-dark); font-weight: 700; }
.comment-form-container input[type="text"], .comment-form-container textarea {
    width: 100%; padding: 0.85rem 1rem; border: 1px solid var(--border-color);
    border-radius: 8px; font-size: 1rem; font-family: 'Poppins', sans-serif;
    transition: border-color 0.2s, box-shadow 0.2s;
}
.comment-form-container input:focus, .comment-form-container textarea:focus {
    border-color: var(--primary-color); outline: none; box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}
.comments-display-container .comment-item {
    border: 1px solid var(--border-color); padding: 1.5rem; border-radius: var(--radius);
    margin-bottom: 1.5rem; background-color: var(--bg-card); box-shadow: var(--shadow-md);
}
.comments-display-container .comment-header {
    display: flex; justify-content: space-between; align-items: center;
    margin-bottom: 1rem; border-bottom: 1px solid var(--border-color); padding-bottom: 1rem;
}
.comments-display-container .comment-header strong { color: var(--text-dark); font-size: 1.1rem; }

/* --- Featured Post --- */
#featured-post-container { padding-top: 3rem; }
.featured-post-card {
    background: linear-gradient(135deg, var(--light-blue-bg), var(--bg-main));
    border: 1px solid var(--border-color); border-radius: 16px; padding: 3rem;
    position: relative; overflow: hidden; box-shadow: var(--shadow-lg);
}
.featured-tag {
    position: absolute; top: 0; left: 0; background-color: var(--secondary-color); color: var(--text-dark);
    padding: 0.6rem 2rem 0.6rem 1.5rem; font-weight: 700; border-bottom-right-radius: 20px; font-size: 0.95rem;
}
.featured-content { display: flex; align-items: center; gap: 3rem; }
.featured-details { flex-grow: 1; }
.featured-title { font-size: 2.2rem; color: var(--text-dark); margin-top: 1rem; margin-bottom: 0.75rem; font-weight: 800; letter-spacing: -0.5px; }
.featured-company { font-size: 1.15rem; color: var(--primary-color); margin-bottom: 1.25rem; font-weight: 600; }
.featured-description { margin-bottom: 2rem; font-size: 1.05rem; color: var(--text-light); }
.featured-logo { max-width: 140px; max-height: 140px; object-fit: contain; flex-shrink: 0; filter: drop-shadow(0 10px 8px rgb(0 0 0 / 0.04)); }

/* Skin Ad Container Styles */
.skin-ad-container { position: fixed; top: 0; left: 0; width: 100%; height: 100vh; z-index: -1; }
.skin-ad-left, .skin-ad-right { position: absolute; top: 100px; width: 160px; height: 600px; }
.skin-ad-left { left: calc(50% - 600px - 160px); }
.skin-ad-right { right: calc(50% - 600px - 160px); }
@media (max-width: 1560px) { .skin-ad-container { display: none; } }
@media (max-width: 768px) { .detail-thumbnail { width: 100%; height: auto; max-height: none !important; } }