/* GENERAL */
:root{
      --bg:#f6f8fb; 
      --card:#ffffff; 
      --accent:#0b67a3; 
      --muted:#02153b; 
      --accent-2:#0ea5a4;
      --radius:12px; 
      --maxw:1200px;
      --shadow: 0 6px 18px rgba(11,103,163,0.08);
      font-family: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
    }
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background:linear-gradient(180deg,var(--bg),#023570);
    color:#0f1724;
    max-width: fit-content;
    margin-left: auto; 
    margin-right: auto;
}

.container {
    width: 80%;
    max-width:var(--maxw);
    margin:0 auto;
    padding:18px
}

/* HEADER */
.header {
    width: 100%;
    opacity:inherit;
    padding:18px 0;
    position:sticky;
    top:0;
    height: 100px;
    backdrop-filter:saturate(120%) blur(6px);
    z-index:40;
    height: fit-content;
    padding: auto;
}

.nav {
    display: flex;
    justify-content: space-between;
    width: 100%;
    align-items:right;
    gap:16px
}

.logo {
    display:flex;
    align-items: center;
}

.reslogo{
    width: 160px;
    height: auto;
}
.brand{
    display:flex;
    align-items:center
}
.menu{
    display: flex;
    align-items: center;
}

.menu a {
    color: #0a46b8;
    margin-left: 20px;
    text-decoration: none;
    font-size: 18px;
}

.menu a:hover {
    color: #2116b9
}

.menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background: #0a46b8;
    margin: 4px 0;
    transition: 0.3s;
}


@media (max-width: 768px) {

    .menu-toggle {
        display: flex;
    }

    .menu {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: linear-gradient(180deg, var(--bg), #6f8fb4);
        flex-direction: column;
        align-items: center;
        display: none;
        box-shadow: 0 8px 20px rgba(0,0,0,0.1);
    }

    .menu a {
        margin: 15px 0;
        font-size: 18px;
    }

    .menu.active {
        display: flex;
    }
}


/* HERO SECTION */
.hero {
    color: rgb(17, 49, 110);
    padding: 100px 0;
    text-align: center;
    display:grid;
    grid-template-columns:1fr;
    gap:24px;
    align-items:center;
    scroll-margin-top: 100px;
    padding:44px 0
}
.hero-card{
      background:transparent;
      padding:36px;
      border-radius:var(--radius);
      box-shadow:var(--shadow)
    }

.hero h1 {
    font-size: 40px;
    margin-bottom: 15px;
}

.hero p {
    font-size: 18px;
    margin-bottom: 25px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}
.slider-box {
    width: 100%;
    height: 100%;
    overflow: hidden;
    position: relative;
    border: 2px solid #ccc;
    border-radius:12px;
    background: #f5f5f5;
    height:600px;
    align-items: center;
    }
.slider-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    transition: opacity 1s ease;
    opacity: 0;
}
.slider-box img.active {
    opacity: 1;
    }



.btn-primary {
    display: inline-block;
    padding: 12px 25px;
    background: #1b262c;
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 700;
}

.btn-primary:hover {
    background: #0f1a20;
}

/* SERVICES */

.services{
    text-align: center;
    padding: 60px 20px;
    margin: 0 auto;
    }
    
.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
    max-width: 1100px;
    margin: 0 auto;
}
   
.services h2 {
     margin-bottom: 40px;
    font-size: 28px;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 20px;
}

.plain-link {
    text-decoration: none;   /* removes underline */
    color: inherit;          /* uses parent text color */
    cursor: pointer;         /* keeps click affordance */
}

.plain-link:hover,
.plain-link:focus {
    text-decoration: none;
    color: inherit;
}


.card {
    background: linear-gradient(180deg, var(--bg), #023570);
    padding: 28px 22px;
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.12);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.card:hover {
    transform: translateY(-6px);
    box-shadow: 0 8px 18px rgba(0,0,0,0.18);
}

.card h3 {
     margin-bottom: 12px;
    font-size: 20px;
}

.card p {
    font-size: 15px;
    line-height: 1.6;
}

footer{
    background:#0b2222;
    color:#cfeef7;
    padding:40px;
    border-radius:16px;
    margin-top:40px;
}

.footer-grid{
    display:grid;
    grid-template-columns:1fr 220px;
    gap:20px;
}

.social{
    margin-top:16px;
}

.social a img{
    width:40px;
    height:40px;
}

/* Mobile & Tablet Optimization */
@media (max-width: 768px) {
    .footer-grid{
        grid-template-columns: 1fr;
    }

    footer{
        padding:24px;
    }

    .social{
        display:flex;
        justify-content:center;
        gap:10px;
    }
}

.muted-small{
    font-size:13px;
    color:var(--muted)
}


.abt_class{
    text-align: center;
    color: #023570;
    margin-top: 20px;
    margin-bottom: 10%;
}

.sec{
    width: 65%;
    background:transparent;
    margin-top: 10px;
    align-items: center;
    text-align: center;
    margin-left: auto;
    margin-right: auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 20px;
    margin-left: auto;
    border-radius: 8px;
    box-sizing: 50px;
}


/* Medium screens = 2 per row */
@media (min-width: 600px) {
    .grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Large screens = 3 per row */
@media (min-width: 992px) {
    .grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .services {
        padding: 40px 15px;
    }

    .services h2 {
        font-size: 24px;
        margin-bottom: 30px;
    }

    .card {
        padding: 22px 18px;
    }

    .card h3 {
        font-size: 18px;
    }

    .card p {
        font-size: 14px;
    }
}


.backimg{
    color: #ffffff;
    max-width: var(--maxw);
    margin: auto;
}
.servicesimg{
    background: linear-gradient(rgba(15,42,68,0.7), rgba(15,42,68,0.7)),url('images/servicesimg.png');
    padding: 100px 20px;
    background-size: cover;
    background-position: center;
    border-radius: 15px;
}