:root{
    --primary: #0a3d91;
    --secondary: #1565c0;
    --light: #f4f8ff;
    --white: #ffffff;
}

body{
    margin:0;
    font-family:Segoe UI, Arial, sans-serif;
    background:var(--light);
    padding-top:0px;
}

/* HEADER WITH GRADIENT */
.header {
    display: flex;
    flex-direction: column;
    padding: 15px 40px;
    background: linear-gradient(to bottom, #ffffff, #0a3d91);
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);

    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: transform 0.3s ease-in-out;
}


.header-hidden {
    transform: translateY(-100%);
}

/* TOP ROW: Logos + Burger */
.logo-container{
    display:flex;
    justify-content:space-between;
    align-items:center;
    width:100%;
}

/* Group logos */
.logo-group{
    display:flex;
    align-items:center;
    gap:15px;
}

/* LOGOS */
.logo, .logo1{
    height:60px;
    width:auto;
}

/* HEADER BOTTOM */
.header-bottom{
    display:flex;
    justify-content:center;
    margin-top:15px;
}

/* NAVBAR */
.navbar{
    display:flex;
    gap:25px;
    flex-wrap:wrap;
    justify-content:center;
    transition:0.4s ease;
}

/* NAVBAR LINKS */
.navbar a{
    position: relative;
    text-decoration:none;
    color:white;
    font-weight:600;
    font-size:22px;
    transition:0.3s;
    padding:5px 0;
}

/* Underline effect */
.navbar a::after{
    content:"";
    position:absolute;
    left:0;
    bottom:0;
    width:0;
    height:2px;
    background:white;
    transition:0.3s;
}

.navbar a:hover::after{
    width:100%;
}

.navbar a:hover{
    color:#cfe8ff;
}

/* Burger Button - hidden on desktop by default */
.burger{
    display: none;               
    flex-direction: column;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    gap: 6px;
    position: fixed;             
    top: 25px;
    right: 25px;
    z-index: 2000;               
}

/* Burger lines */
.burger span{
    width: 30px;
    height: 3px;
    background: white;           
    display: block;
    border-radius: 2px;           
}

/* ---------------- MOBILE ---------------- */
@media (max-width: 992px){
       .header{
        padding: 12px 20px;
    }

    .logo, .logo1{
        height: 38px;
    }

    body{
        padding-top: 110px; 
    }
    .burger{
        display: flex;          
    }

    .navbar{
        flex-direction: column;
        align-items: center;
        gap: 18px;
        max-height: 0;      
        overflow: hidden;
        width: 100%;
        transition: max-height 0.4s ease;
    }

    .navbar.active{
        max-height: 800px;  
        margin-top: 15px;
    }

    /* ✅ Smaller navbar links for mobile */
    .navbar a{
        font-size: 16px;   
        padding: 8px 0;   
    }

}

/* HERO SECTION */
.hero {
    position: relative;
    width: 100%;
    height: 80vh;
    min-height: 400px;
    overflow: hidden;
    margin-top: 120px;
}

/* HERO SLIDER */
.hero-slider {
    width: 100%;
    height: 100%;
    position: relative;
}

/* EACH SLIDE BACKGROUND FIX */
.swiper-slide {
    width: 100%;
    height: 100%;
    background-size: cover !important;     
    background-position: center center !important;  
    background-repeat: no-repeat !important;
    background-attachment: scroll;         
}

/* DARK OVERLAY */
.hero-slider::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.3);
    z-index: 2;
}

/* HERO CONTENT */
.hero-content {
    position: absolute;
    top: 70%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 10;
    text-align: center;
    width: 90%;
    max-width: 600px;
}

/* BUTTON */
.discover-btn {
    background: transparent;
    color: white;
    padding: 12px 35px;
    border: 2px solid white;
    border-radius: 5px;
    font-weight: bold;
    font-size: 16px;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.3s ease;
}

.discover-btn:hover {
    background: white;
    color: var(--primary);
    transform: scale(1.05);
}

/* ----------------- MEDIA QUERIES ----------------- */

/* Tablets / Medium Screens */
@media (max-width: 992px) {
    .hero {
        height: 60vh;
        min-height: 350px;
        margin-top: -35px;
    }
    .hero-content {
        top: 65%;
    }
    .discover-btn {
        padding: 10px 25px;
        font-size: 14px;
    }
}

/* Mobile Phones */
@media (max-width: 576px) {
    .hero {
        height: 60vh;       /* slightly taller to avoid zooming out */
        min-height: 300px;
    }
    .hero-content {
        top: 55%;
    }
    .discover-btn {
        padding: 8px 20px;
        font-size: 13px;
    }
}

/* ===== REVEAL ANIMATION ===== */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease-out;
}

.reveal-left {
    transform: translateX(-50px);
}

.reveal-right {
    transform: translateX(50px);
}

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

/* Setting */
.section1 {
    padding: 60px 40px;
    background: #ffffff;
    margin: 30px auto;
    border-radius: 10px;
    max-width: 1200px;
    text-align: center;
}

.section1 h2 {
    font-size: 42px;
    margin-bottom: 40px;
    font-weight: 600;
    color: #0a3d91;
}

/* Main Image */
.section1 img {
    display: block;
    margin: 20px auto 50px auto;
    max-width: 750px;
    width: 100%;
    border-radius: 8px;
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.section1 img:hover {
    transform: scale(1.05);
    box-shadow: 0 12px 25px rgba(0, 0, 0, 0.25);
}

/* Two Column Layout */
.setting-grid {
    display: flex;
    justify-content: center;  
    gap: 80px;                 
    margin-top: 20px;
    text-align: left;
    flex-wrap: wrap;      
}

.setting-col {
    flex: 1;
    min-width: 280px;    
    max-width: 450px;
    padding-left: 40px;      
}

.setting-col h3 {
    font-size: 26px;
    margin-bottom: 15px;
    color: #3d3d3d;
}

.setting-link {
    font-size: 18px;
    color: #0a3d91;
    text-decoration: underline;
    line-height: 1.6;
    display: inline-block;
}

/* ✅ Mobile Optimization */
@media (max-width: 768px) {

    .section1 {
        padding: 40px 15px;
    }

    .section1 h2 {
        font-size: 20px;
        margin-bottom: 30px;
    }

    .setting-grid {
        flex-direction: column;
        gap: 30px;
        text-align: center;
    }

    .setting-col {
        padding-left: 0;       
        max-width: 100%;
    }

    .setting-col h3 {
        font-size: 22px;
    }

    .setting-link {
        font-size: 16px;
    }
}

/* ===== ENERGY SECTION ===== */
.section2 {
    padding: 60px 40px;
    background: #f2f2f2;
    margin: 30px auto;
    border-radius: 10px;
    max-width: 1200px;
}

/* Title */
.section2 h2 {
    text-align: center;
    font-size: 42px;
    margin-bottom: 50px;
    font-weight: 600;
    color: #0a3d91;
}

/* Layout */
.energy-wrapper {
    display: flex;
    gap: 60px;
    align-items: flex-start;
}

/* LEFT IMAGE */
.energy-image-container {
    flex: 1;
}

.energy-image-container img {
    width: 100%;
    max-width: 600px;
    border-radius: 8px;
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.energy-image-container img:hover {
    transform: scale(1.05) translateY(-6px);
    box-shadow: 0 18px 35px rgba(0, 0, 0, 0.25);
}

/* RIGHT SIDE (Stats) */
.energy-stats {
    flex: 1.2;
    padding-left: 20px; /* space from image */
}

/* Each row */
.energy-row {
    display: grid;
    grid-template-columns: 170px 1fr;
    align-items: start;
    margin-bottom: 45px; 
    column-gap: 25px; 
}

/* Numbers */
.energy-row h3 {
    font-size: 25px;
    font-weight: 600;
    color: #444;
    margin: 0;
    padding-top: 4px; 
}

/* Links */
.energy-row a {
    font-size: 16px;
    color: #0a58ca;
    text-decoration: underline;
    line-height: 1.6;
    display: block;
}

.energy-row a:hover {
    opacity: 0.7;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {

    .energy-wrapper {
        flex-direction: column;
    }

    .energy-row {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .section2 h2 {
        font-size: 20px;
    }
}

/* ===== WASTE SECTION ===== */
.section3 {
    padding: 60px 40px;
    background: #ffffff;
    margin: 30px auto;
    border-radius: 10px;
    max-width: 1200px;
}

/* Title */
.section3 h2 {
    text-align: center;
    font-size: 42px;
    margin-bottom: 50px;
    font-weight: 600;
    color: #0a3d91;
}

/* Layout wrapper */
.waste-wrapper {
    display: flex;
    gap: 60px;
    align-items: flex-start;
}

/* LEFT SIDE (Stats) */
.waste-stats {
    flex: 1.2;
}

/* Each row */
.waste-row {
    display: grid;
    grid-template-columns: 150px 1fr;
    align-items: center;
    margin-bottom: 40px;
}

/* Big numbers */
.waste-row h3 {
    font-size: 28px;
    font-weight: 600;
    color: #444;
}

/* Links */
.waste-row a {
    font-size: 16px;
    color: #0a58ca;
    text-decoration: underline;
    line-height: 1.4;
}

.waste-row a:hover {
    opacity: 0.7;
}

/* RIGHT SIDE (Images) */
.waste-images {
    flex: 1;
}

.waste-images img {
    width: 100%;
    max-width: 600px;
    border-radius: 6px;
    margin-bottom: 30px;
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}

/* Hover */
.waste-images img:hover {
    transform: scale(1.05) translateY(-6px);
    box-shadow: 0 18px 35px rgba(0, 0, 0, 0.25);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {

    .waste-wrapper {
        flex-direction: column;
    }

    .waste-row {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .section3 h2 {
        font-size: 20px;
    }
}

/* SECTION 4: Water */
.section4 {
    padding: 60px 30px;
    background: #f9f9f9;
    margin: 30px auto;
    border-radius: 10px;
    max-width: 1200px;
    text-align: center;
}

.section4 h2 {
    font-size: clamp(24px, 5vw, 42px); 
    margin-bottom: 50px;
    font-weight: 600;
    color: #0a3d91;
}

.section4 img {
    display: block;
    margin: 20px auto;
    max-width: 600px;
    width: 100%;
    border-radius: 8px;
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.section4 img:hover {
    transform: scale(1.08);
    box-shadow: 0 12px 25px rgba(0, 0, 0, 0.25);
}

.water-item a {
    text-decoration: none;
    font-weight: 600;
    color: #0a58ca;
    transition: 0.3s;
}

.water-item a:hover {
    text-decoration: underline;
}


/* ✅ Mobile Optimization */
@media (max-width: 768px) {

    .section4 {
        padding: 40px 15px;
        margin: 20px 10px;
    }

    .section4 h2 {
        margin-bottom: 20px;
    }

    .section4 img {
        max-width: 100%;
    }


    .section4 img:hover {
        transform: none;
        box-shadow: none;
    }

    .water-item a {
        font-size: 16px;
    }
}
/* ===== SECTION 5 TRANSPORTATION ===== */
.section5 {
    padding: 60px 40px;
    background: #f2f2f2;
    margin: 30px auto;
    border-radius: 10px;
    max-width: 1200px;
}

/* Title */
.section5 h2 {
    text-align: center;
    font-size: 42px;
    margin-bottom: 50px;
    font-weight: 600;
    color: #0a3d91;
}

/* Wrapper */
.section5-wrapper {
    display: flex;
    gap: 50px;
    align-items: flex-start;
}

/* LEFT SIDE */
.transpo-images {
    flex: 1;
}

.transpo-img {
    width: 100%;
    max-width: 480px;
    border-radius: 8px;
    margin-bottom: 30px;
    display: block;
    transition: transform 0.4s ease, box-shadow 0.4s ease;
    cursor: pointer;
}

/* ✨ HOVER EFFECT */
.transpo-img:hover {
    transform: scale(1.06) translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25);
}
/* RIGHT SIDE */
.transpo-content {
    flex: 1.2;
}

/* ===== STATS GRID ===== */
.transpo-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px 30px;
    margin-bottom: 40px;
}

/* Each stat */
.stat-box h3 {
    font-size: 36px;
    color: #0a58ca;
    margin-bottom: 10px;
    font-weight: 600;
}

.stat-box p {
    font-size: 16px;
    color: #444;
    line-height: 1.4;
}

/* ===== LINK LIST ===== */
.transpo-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.transpo-links a {
    color: #0a58ca;
    font-size: 15px;
    text-decoration: underline;
}

.transpo-links a:hover {
    opacity: 0.7;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {

    .section5-wrapper {
        flex-direction: column;
    }

    .transpo-stats {
        grid-template-columns: 1fr;
    }

    .section5 h2 {
        font-size: 20px;
    }

    .stat-box h3 {
        font-size: 28px;
    }
}
/* ===== SECTION 6 EDUCATION ===== */
.section6 {
    padding: 60px 30px;
    background: #ffffff;
    margin: 30px auto;
    border-radius: 10px;
    max-width: 1200px;
}

/* Title */
.section6 h2 {
    text-align: center;
    font-size: 42px;
    margin-bottom: 50px;
    font-weight: 600;
    color: #0a3d91;
}

.education-logo {
    max-width: 60px;
    height: auto;
    vertical-align: middle;
    margin-left: 10px;
}

/* Wrapper for flex layout */
.education-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 30px;
    flex-wrap: wrap;
}

/* Left: stats & links */
.education-left {
    flex: 1 1 300px;
    text-align: left;
}

.educ-item {
    margin: 12px 0;
    font-size: 16px;
    line-height: 1.4;
}

.educ-item strong {
    font-size: 20px;
    color: #0a3d91;
}

.educ-item a {
    text-decoration: none;
    font-weight: 600;
    color: #0a58ca;
    transition: 0.3s;
}

.educ-item a:hover {
    text-decoration: underline;
}

.education-left p a {
    font-weight: bold;
}

/* Right: images */
.education-right {
    flex: 1 1 500px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    align-items: center;
}

.section6 .education1,
.section6 .education2 {
    width: 100%;
    max-width: 500px;
    border-radius: 10px;
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.section6 img:hover {
    transform: scale(1.05);
    box-shadow: 0 12px 25px rgba(0, 0, 0, 0.25);
}
/* Sustainability Button */
.sustain-btn {
    display: inline-block;
    padding: 12px 28px;
    background-color: #0a58ca;
    color: #ffffff;
    font-weight: 600;
    text-decoration: none;
    border-radius: 6px;
    transition: all 0.3s ease;
    box-shadow: 0 8px 18px rgba(0, 0, 0, 0.15);
}

/* Hover Effect */
.sustain-btn:hover {
    background-color: #084298;
    transform: translateY(-4px);
    box-shadow: 0 12px 25px rgba(0, 0, 0, 0.25);
}

/* RESPONSIVE */
@media (max-width: 992px) {

    .education-wrapper {
        flex-direction: column-reverse;
        align-items: center;
    }

    .education-left {
        text-align: center;
        margin-top: 20px;
    }

    .education-right {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
        gap: 15px;
    }

    .section6 .education1,
    .section6 .education2 {
        max-width: 90%;
    }

    /* ✅ Smaller title */
    .section6 h2 {
        font-size: 20px;
        margin-bottom: 30px;
    }

    /* ✅ Smaller paragraph text */
    .educ-item {
        font-size: 14px;
    }

    /* ✅ Smaller numbers */
    .educ-item strong {
        font-size: 17px;
    }

    /* ✅ Smaller links */
    .educ-item a {
        font-size: 14px;
    }

    /* ✅ Smaller button */
    .sustain-btn {
        padding: 10px 22px;
        font-size: 14px;
    }
}
/* ===== SCROLL TO TOP BUTTON ===== */
#scrollTopBtn {
    display: none; 
    position: fixed;
    bottom: 40px;
    right: 40px;
    z-index: 999;
    border: none;
    outline: none;
    background: transparent; 
    cursor: pointer;
    width: 60px;  
    height: 60px;
    padding: 0;
    border-radius: 50%;
    box-shadow: 0 6px 12px rgba(0,0,0,0.25);
    display: flex;
    justify-content: center;
    align-items: center;
    transition: transform 0.3s, box-shadow 0.3s;
}

/* Image inside button */
.scroll-btn-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: transform 0.3s;
}

/* Hover effect */
#scrollTopBtn:hover {
    transform: scale(1.15) rotate(10deg);
    box-shadow: 0 8px 16px rgba(0,0,0,0.35);
}

#scrollTopBtn:hover .scroll-btn-img {
    transform: scale(1.1);
}

/* ---------------- MOBILE ---------------- */
@media (max-width: 576px) {
    #scrollTopBtn {
        width: 40px;   
        height: 40px;
        bottom: 20px;
        right: 20px;
    }
}
/* ===== FOOTER ===== */
.footer {
    background: #0a3d91;
    color: white;
    text-align: center;
    padding: 10px 20px;
    margin-top: 20px;
}

/* Footer text */
.footer p {
    margin: 8px 0;
    font-size: 15px;
}

/* Footer links */
.footer a {
    color: #cfe8ff;
    text-decoration: none;
    font-weight: 600;
    transition: 0.3s;
}

.footer a:hover {
    text-decoration: underline;
    color: #ffffff;
}

.fb-icon {
    width: 80px;
    height: 80px;
    transition: transform 0.3s;
}

.fb-link:hover .fb-icon {
    transform: scale(1.2);
}

/* Mobile responsive adjustments */
@media (max-width: 768px) {
    .footer {
        padding: 15px 10px;     
    }

    .footer p {
        font-size: 13px;    
        margin: 5px 0;
    }

    .footer a {
        font-size: 13px;     
    }

    .fb-icon {
        width: 50px;             
        height: 50px;
    }

    .fb-link span {
        font-size: 12px;
    }
}

/* RESPONSIVE */
@media(max-width:900px){
    .header-bottom{
        flex-direction:column;
        align-items:center;
        gap:10px;
    }

    .navbar{
        justify-content:center;
    }

    .get-started{
        margin-top:10px;
    }

    .hero h1{
        font-size:28px;
    }

    .section{
        margin:10px;
        padding:40px;
    }
}

/* PDF Modal */
.pdf-modal {
    display: none; 
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0,0,0,0.7); 
}

.pdf-modal-content {
    background-color: #1269ff;
    margin: 5% auto;
    padding: 20px;
    border-radius: 10px;
    width: 80%;
    max-width: 900px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
    position: relative;
}

.pdf-close {
    position: absolute;
    top: 10px;
    right: 20px;
    font-size: 28px;
    font-weight: bold;
    color: #ffffff;
    cursor: pointer;
}

.pdf-close:hover {
    color: #ff3939;
}