/* =========================================
   1. CSS VARIABLES & THEME SETUP
   ========================================= */
:root {
    --primary-color: #00d2ff;
    --logo-color: #ff4500;
    --name-color: #00d2ff;

    /* Light Mode */
    --bg-color: #f0f2f5;
    --text-color: #333333;
    --nav-bg: rgba(255, 255, 255, 0.95);
    --card-bg: #ffffff;
    --sub-text: #555555;
    --border-color: #e1e1e1;
    --box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    --gradient-bg: linear-gradient(120deg, #fdfbfb 0%, #ebedee 100%);
}

body.dark-mode {
    --bg-color: #121212;
    --text-color: #e0e0e0;
    --nav-bg: rgba(25, 25, 25, 0.95);
    --card-bg: #1e1e1e;
    --sub-text: #aaaaaa;
    --border-color: #333;
    --box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    --gradient-bg: linear-gradient(120deg, #1a1a1a 0%, #000000 100%);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
}

body {
    background: var(--gradient-bg);
    color: var(--text-color);
    transition: background 0.3s, color 0.3s;
    overflow-x: hidden;
}

/* =========================================
   2. NAVIGATION BAR (Mobile Friendly)
   ========================================= */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 5%;
    background-color: var(--nav-bg);
    backdrop-filter: blur(10px);
    /* Glass effect */
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.logo {
    font-size: 24px;
    font-weight: 800;
    color: var(--logo-color);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 30px;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-size: 16px;
    font-weight: 600;
    transition: 0.3s;
    position: relative;
}

.nav-links a::after {
    content: '';
    width: 0;
    height: 2px;
    background: var(--primary-color);
    display: block;
    margin: auto;
    transition: 0.3s;
}

.nav-links a:hover::after {
    width: 100%;
}

/* Hamburger Menu for Mobile */
.hamburger {
    display: none;
    cursor: pointer;
    font-size: 24px;
    color: var(--text-color);
}

/* Dark Mode Switcher */
.theme-switch-wrapper {
    display: flex;
    align-items: center;
}

.theme-switch {
    display: inline-block;
    height: 24px;
    position: relative;
    width: 50px;
    margin-right: 10px;
}

.theme-switch input {
    display: none;
}

.slider {
    background-color: #ccc;
    bottom: 0;
    cursor: pointer;
    left: 0;
    position: absolute;
    right: 0;
    top: 0;
    transition: .4s;
    border-radius: 34px;
}

.slider:before {
    background-color: #fff;
    bottom: 3px;
    content: "";
    height: 18px;
    left: 3px;
    position: absolute;
    transition: .4s;
    width: 18px;
    border-radius: 50%;
}

input:checked+.slider {
    background-color: var(--primary-color);
}

input:checked+.slider:before {
    transform: translateX(26px);
}

.mode-text {
    font-size: 12px;
    font-weight: bold;
    color: var(--text-color);
}

/* =========================================
   3. HERO SECTION
   ========================================= */
.hero {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 90vh;
    padding: 0 10%;
    gap: 50px;
}

.hero-content {
    flex: 1;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    line-height: 1.2;
}

.highlight {
    color: var(--primary-color);
}

.hero p {
    margin-bottom: 30px;
    line-height: 1.8;
    color: var(--sub-text);
    font-size: 1.1rem;
}

.btn {
    display: inline-block;
    padding: 12px 35px;
    background: linear-gradient(45deg, var(--primary-color), #00a8cc);
    color: #fff;
    text-decoration: none;
    border-radius: 30px;
    font-weight: bold;
    transition: 0.3s;
    box-shadow: 0 5px 15px rgba(0, 210, 255, 0.3);
    border: none;
    cursor: pointer;
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 210, 255, 0.5);
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
}

.hero-image img {
    width: 100%;
    max-width: 450px;
    border-radius: 20px;
    box-shadow: var(--box-shadow);
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-20px);
    }

    100% {
        transform: translateY(0px);
    }
}

.typing {
    color: var(--name-color);
    border-right: 3px solid var(--name-color);
    padding-right: 5px;
    animation: blink 0.7s infinite;
}

@keyframes blink {
    50% {
        border-color: transparent;
    }
}

/* =========================================
   4. AI SECTION (Fixed & Beautiful)
   ========================================= */
.ai-section {
    padding: 100px 10%;
    background-color: var(--bg-color);
    overflow: hidden;
}

.ai-container {
    display: flex;
    align-items: center;
    gap: 50px;
    max-width: 1200px;
    margin: 0 auto;
}

.ai-image-box {
    flex: 1;
    position: relative;
    height: 500px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.ai-image-box img {
    position: absolute;
    border-radius: 15px;
    border: 3px solid var(--card-bg);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
    transition: 0.4s;
    object-fit: cover;
}

/* Desktop Stacking */
.ai-img-main {
    width: 320px;
    height: 420px;
    z-index: 3;
    transform: rotate(-5deg);
}

.ai-img-secondary {
    width: 280px;
    height: 380px;
    z-index: 2;
    transform: translate(100px, 40px) rotate(5deg);
    opacity: 0.9;
}

.ai-img-small {
    width: 200px;
    height: 250px;
    z-index: 1;
    transform: translate(200px, -80px) rotate(10deg);
    opacity: 0.8;
}

.ai-image-box:hover .ai-img-main {
    transform: rotate(0) scale(1.05);
    z-index: 10;
}

.ai-image-box:hover .ai-img-secondary {
    transform: translate(120px, 40px) rotate(0);
}

.ai-image-box:hover .ai-img-small {
    transform: translate(220px, -80px) rotate(0);
}

.ai-content-box {
    flex: 1;
}

.ai-content-box h2 {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.ai-content-box p {
    color: var(--sub-text);
    line-height: 1.7;
    margin-bottom: 30px;
}

/* =========================================
   5. EDUCATION & CARDS
   ========================================= */
.education-section {
    padding: 80px 10%;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
}

.edu-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.edu-box {
    background: var(--card-bg);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: 0.3s;
    border: 1px solid var(--border-color);
}

.edu-box:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
}

.edu-img {
    height: 180px;
    background: #fff;
    /* Ensure logos look right in dark mode */
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
}

.edu-img img {
    max-height: 100%;
    max-width: 100%;
    object-fit: contain;
    transition: 0.5s;
}

.edu-box:hover .edu-img img {
    transform: scale(1.1);
}

.edu-content {
    padding: 25px;
}

.edu-date {
    background: var(--primary-color);
    color: #fff;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.edu-content h3 {
    margin: 15px 0 10px;
    font-size: 1.2rem;
}

.edu-content p {
    color: var(--sub-text);
    font-size: 0.9rem;
    line-height: 1.6;
}



/* =========================================
   8. MOBILE RESPONSIVENESS (The Fix)
   ========================================= */
@media (max-width: 992px) {
    .hero {
        flex-direction: column-reverse;
        text-align: center;
        padding-top: 40px;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .ai-container {
        flex-direction: column;
        gap: 30px;
    }

    .ai-image-box {
        width: 100%;
        height: auto;
        min-height: 400px;
    }

    /* Reset Transforms for Mobile */
    .ai-img-main,
    .ai-img-secondary,
    .ai-img-small {
        position: absolute;
        left: 50%;
        top: 50%;
    }

    .ai-img-main {
        transform: translate(-50%, -50%);
        width: 260px;
        height: 350px;
    }

    .ai-img-secondary {
        transform: translate(-30%, -40%) rotate(5deg);
        width: 220px;
        height: 300px;
    }

    .ai-img-small {
        display: none;
        /* Hide 3rd image on mobile to save space */
    }

    .ai-content-box {
        text-align: center;
    }
}

@media (max-width: 768px) {
    .hamburger {
        display: block;
    }

    .nav-links {
        position: fixed;
        right: -100%;
        top: 70px;
        height: calc(100vh - 70px);
        background: var(--nav-bg);
        flex-direction: column;
        width: 100%;
        text-align: center;
        padding-top: 50px;
        transition: 0.4s;
        backdrop-filter: blur(10px);
    }

    .nav-links.active {
        right: 0;
    }

    .nav-links li {
        margin: 20px 0;
    }

    .edu-container,
    .blog-container {
        grid-template-columns: 1fr;
    }
}

/* =========================================
   ADD TO BOTTOM OF style.css
   ========================================= */

/* About Section Layout */
.about-section {
    padding: 80px 10%;
    min-height: 90vh;
    /* Takes full screen height */
    display: flex;
    align-items: center;
    justify-content: center;
}

.about-container {
    display: flex;
    align-items: center;
    gap: 60px;
    background: var(--nav-bg);
    /* Glass effect matches navbar */
    backdrop-filter: blur(10px);
    padding: 50px;
    border-radius: 20px;
    box-shadow: var(--box-shadow);
    border: 1px solid var(--border-color);
    max-width: 1200px;
}

/* Image Styling */
.about-img-wrapper {
    flex: 1;
    position: relative;
    min-width: 300px;
}

.about-img-wrapper img {
    width: 100%;
    height: auto;
    border-radius: 15px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
    border: 4px solid var(--card-bg);
    /* Frame effect */
    transition: transform 0.3s ease;
}

.about-img-wrapper img:hover {
    transform: scale(1.02);
}

/* Content Styling */
.about-content {
    flex: 1.2;
    /* Gives text slightly more space than image */
}

.about-content h2 {
    font-size: 3rem;
    margin-bottom: 10px;
    line-height: 1;
}

.about-content .subtitle {
    font-size: 1.2rem;
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 25px;
    display: block;
    letter-spacing: 1px;
}

.about-content p {
    color: var(--sub-text);
    line-height: 1.8;
    margin-bottom: 30px;
    font-size: 1rem;
}

/* Skills/Tech Stack Mini-Grid */
.skills-grid {
    display: flex;
    gap: 15px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.skill-tag {
    background: var(--bg-color);
    padding: 8px 15px;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    border: 1px solid var(--border-color);
    color: var(--text-color);
}

/* Button Group */
.btn-group {
    display: flex;
    gap: 20px;
}

.btn-secondary {
    display: inline-block;
    padding: 12px 35px;
    background: transparent;
    color: var(--text-color);
    text-decoration: none;
    border-radius: 30px;
    font-weight: bold;
    border: 2px solid var(--border-color);
    transition: 0.3s;
}

.btn-secondary:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

/* Mobile Responsive Fix */
@media (max-width: 968px) {
    .about-container {
        flex-direction: column;
        padding: 30px;
        text-align: center;
    }

    .about-content h2 {
        font-size: 2.5rem;
    }

    .skills-grid {
        justify-content: center;
    }

    .btn-group {
        justify-content: center;
    }
}

/* =========================================
   CONTACT PAGE STYLES (Add to style.css)
   ========================================= */

.contact-section {
    padding: 80px 10%;
    min-height: 90vh;
    /* තිරයේ උසෙන් වැඩි හරියක් ගන්නවා */
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ප්‍රධාන කොටු දෙක අඩංගු පෙට්ටිය */
.contact-container {
    display: flex;
    width: 100%;
    max-width: 1100px;
    background: var(--nav-bg);
    /* Glass effect */
    backdrop-filter: blur(10px);
    border-radius: 20px;
    border: 1px solid var(--border-color);
    overflow: hidden;
    /* කොටුවෙන් එළියට පනින ඒවා කපන්න */
    box-shadow: var(--box-shadow);
}

/* වම් පැත්ත: විස්තර තියෙන කොටස */
.contact-info {
    flex: 1;
    padding: 50px;
    /* නිල් පාට Gradient එකක් */
    background: linear-gradient(135deg, var(--primary-color), #0056b3);
    color: #fff;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
    overflow: hidden;
}

/* වම් පැත්තේ තියෙන රවුම් මෝස්තරය (Design Element) */
.contact-info::before {
    content: '';
    position: absolute;
    width: 150px;
    height: 150px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    bottom: -30px;
    right: -30px;
}

.contact-info h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    font-weight: 700;
}

.contact-info p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 40px;
    line-height: 1.6;
}

/* ලිපිනය, ඊමේල් අයිකන් */
.info-item {
    display: flex;
    align-items: center;
    margin-bottom: 25px;
    font-size: 1rem;
}

.info-item i {
    font-size: 1.2rem;
    margin-right: 15px;
    background: rgba(255, 255, 255, 0.2);
    width: 45px;
    height: 45px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: 0.3s;
}

.info-item:hover i {
    background: #fff;
    color: var(--primary-color);
}

/* Social Media අයිකන් */
.social-icons {
    display: flex;
    gap: 15px;
    margin-top: auto;
    /* යටටම තල්ලු කරන්න */
}

.social-icons a {
    text-decoration: none;
    color: #fff;
    font-size: 1.2rem;
    background: rgba(255, 255, 255, 0.2);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: 0.3s;
}

.social-icons a:hover {
    background: #fff;
    color: var(--primary-color);
    transform: translateY(-3px);
}

/* දකුණු පැත්ත: ෆෝම් එක */
.contact-form {
    flex: 1.5;
    /* වම් පැත්තට වඩා ටිකක් ඉඩ වැඩි කරන්න */
    padding: 50px;
}

.contact-form h3 {
    color: var(--text-color);
    font-size: 1.8rem;
    margin-bottom: 25px;
    font-weight: 600;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-color);
    font-weight: 500;
}

.form-input {
    width: 100%;
    padding: 12px 15px;
    background: var(--bg-color);
    /* තීම් එකට අනුව පාට මාරු වෙයි */
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-color);
    font-size: 1rem;
    outline: none;
    transition: 0.3s;
}

.form-input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 10px rgba(0, 210, 255, 0.1);
}

/* ෆෝන් සඳහා (Mobile Responsive) */
@media (max-width: 900px) {
    .contact-container {
        flex-direction: column;
        /* යටට වැටෙන්න හදන්න */
    }

    .contact-info {
        padding: 40px 30px;
    }

    .contact-form {
        padding: 40px 30px;
    }
}

/* =========================================
   ADD TO BOTTOM OF style.css (Footer)
   ========================================= */
footer {
    text-align: center;
    padding: 30px;
    margin-top: auto;
    /* Pushes footer to bottom */
    border-top: 1px solid var(--border-color);
    background-color: var(--nav-bg);
    backdrop-filter: blur(10px);
}

footer p {
    color: var(--sub-text);
    font-size: 0.9rem;
}

/* The Admin Link - Subtle styling */
footer a.admin-link {
    color: var(--sub-text);
    text-decoration: none;
    margin-left: 10px;
    font-size: 0.8rem;
    opacity: 0.5;
    transition: 0.3s;
}

footer a.admin-link:hover {
    color: var(--primary-color);
    opacity: 1;
}
/* =========================================
   PAGINATION STYLES (Add to style.css)
   ========================================= */

.pagination-container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    margin-top: 40px;
    margin-bottom: 20px;
}

.page-btn {
    background-color: #111; /* බොක්ස් එකේ පාට */
    color: #fff;
    border: 1px solid #333;
    width: 40px;
    height: 40px;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    border-radius: 4px; /* පොඩි රවුම් හැඩය */
    font-weight: bold;
    transition: 0.3s;
    font-family: 'Poppins', sans-serif;
}

.page-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

/* දැනට තියෙන පිටුව පෙන්නන පාට (Active Page) */
.page-btn.active {
    background-color: var(--primary-color); /* නිල් පාට */
    color: #000; /* අකුරු කළු පාට */
    border-color: var(--primary-color);
}

.page-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}