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

html{
    scroll-behavior:smooth;
}

body{
    background:#F4F8FB;
    overflow-x:hidden;
}

/* HERO */

.hero{
    min-height:100vh;
    background:linear-gradient(135deg,#87CEEB,#5CB9E8);
    position:relative;
    overflow:hidden;
    padding:30px 8% 150px;
}

.navbar{
    display:flex;
    justify-content:flex-end;
    align-items:center;
    position:relative;
    z-index:10;
}

.menu-btn{
    display:block;
    background:white;
    color:#5CB9E8;
    border:none;
    width:52px;
    height:52px;
    border-radius:16px;
    font-size:30px;
    cursor:pointer;
    box-shadow:0 8px 20px rgba(0,0,0,0.12);
}

.nav-links{
    display:none;
}

.hero-content{
    max-width:980px;
    margin:75px auto 0;
    text-align:center;
    position:relative;
    z-index:5;
}

.hero-card{
    background:rgba(255,255,255,0.24);
    backdrop-filter:blur(14px);
    border:1px solid rgba(255,255,255,0.45);
    border-radius:42px;
    padding:55px 50px;
    box-shadow:0 25px 50px rgba(31,53,88,0.18);
}
.hero-logo{
    width:clamp(240px, 35vw, 480px);
    height:auto;
    display:block;
    margin:0 auto 35px;
    object-fit:contain;
    filter:drop-shadow(0 12px 25px rgba(0,0,0,0.20));
}
.hero-content h1{
    color:white;
    font-size:72px;
    margin-bottom:20px;
    letter-spacing:1px;
}

.subtitle{
    color:#1F3558;
    background:white;
    display:inline-block;
    padding:14px 28px;
    border-radius:30px;
    font-size:24px;
    font-weight:bold;
    margin-bottom:28px;
}

.description{
    color:white;
    font-size:21px;
    line-height:1.9;
    margin:0 auto 42px;
    max-width:830px;
}

.buttons{
    display:flex;
    justify-content:center;
    gap:22px;
    flex-wrap:wrap;
    position:relative;
    z-index:5;
}

.btn-primary{
    background:white;
    color:#5CB9E8;
    padding:18px 38px;
    border-radius:40px;
    text-decoration:none;
    font-weight:bold;
    font-size:18px;
    transition:0.3s;
    box-shadow:0 10px 25px rgba(0,0,0,0.12);
}

.btn-secondary{
    background:#1F3558;
    color:white;
    border:2px solid #1F3558;
    padding:18px 38px;
    border-radius:40px;
    text-decoration:none;
    font-weight:bold;
    font-size:18px;
    transition:0.3s;
}

.btn-primary:hover,
.btn-secondary:hover{
    transform:translateY(-5px);
}

.wave{
    position:absolute;
    bottom:-230px;
    left:-10%;
    width:120%;
    height:300px;
    background:white;
    border-radius:50%;
    z-index:1;
    pointer-events:none;
}

/* SIDE NAV MENU */

.side-menu{
    position:fixed;
    top:0;
    right:-320px;
    width:300px;
    height:100%;
    background:white;
    z-index:999;
    padding:100px 35px;
    display:flex;
    flex-direction:column;
    gap:25px;
    transition:0.4s;
    box-shadow:-10px 0 30px rgba(0,0,0,0.15);
}

.side-menu.active{
    right:0;
}

.side-menu a{
    text-decoration:none;
    color:#1F3558;
    font-size:22px;
    font-weight:bold;
    transition:0.3s;
}

.side-menu a:hover{
    color:#5CB9E8;
    transform:translateX(-5px);
}

.close-btn{
    position:absolute;
    top:25px;
    right:25px;
    background:#87CEEB;
    color:white;
    border:none;
    width:45px;
    height:45px;
    border-radius:14px;
    font-size:24px;
    cursor:pointer;
}

/* SECTION HEADER */

.section-header{
    display:flex;
    align-items:center;
    gap:15px;
    margin-bottom:30px;
}

.section-header span{
    width:8px;
    height:55px;
    background:#87CEEB;
    border-radius:20px;
}

.section-header h2{
    color:#1F3558;
    font-size:38px;
}

.center{
    justify-content:center;
}

/* ABOUT */

.about-section{
    width:85%;
    margin:80px auto;
    background:white;
    padding:50px;
    border-radius:30px;
    box-shadow:0 12px 35px rgba(0,0,0,0.08);
}

.about-section p{
    color:#455A75;
    font-size:22px;
    line-height:1.9;
}

/* FEATURES */

.features-section{
    width:85%;
    margin:80px auto;
}

.features-grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
    gap:28px;
    margin-top:45px;
}

.feature-card{
    background:white;
    padding:35px 28px;
    border-radius:28px;
    text-align:center;
    box-shadow:0 12px 35px rgba(0,0,0,0.08);
    transition:0.3s;
}

.feature-card:hover{
    transform:translateY(-8px);
}

.icon{
    font-size:48px;
    margin-bottom:20px;
}

.feature-card h3{
    color:#1F3558;
    font-size:24px;
    margin-bottom:15px;
}

.feature-card p{
    color:#5A6B82;
    font-size:18px;
    line-height:1.7;
}

/* PROBLEM */

.problem-section{
    width:85%;
    margin:80px auto;
    padding:55px 50px;
    border-radius:35px;
    background:linear-gradient(135deg,#87CEEB,#5CB9E8);
    box-shadow:0 12px 35px rgba(0,0,0,0.12);
}

.light h2{
    color:white;
}

.light span{
    background:white;
}

.problem-section p{
    color:white;
    font-size:22px;
    line-height:1.9;
}

/* OBJECTIVES */

.objectives-section{
    width:85%;
    margin:80px auto;
}

.objectives-grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(240px,1fr));
    gap:25px;
    margin-top:45px;
}

.objective-card{
    background:white;
    padding:35px 28px;
    border-radius:28px;
    box-shadow:0 12px 35px rgba(0,0,0,0.08);
    transition:0.3s;
}

.objective-card:hover{
    transform:translateY(-8px);
}

.objective-card h3{
    color:#87CEEB;
    font-size:42px;
    margin-bottom:18px;
}

.objective-card p{
    color:#455A75;
    font-size:19px;
    line-height:1.7;
}

/* TECHNOLOGY */

.technology-section{
    width:85%;
    margin:80px auto;
}

.tech-category-title{
    color:#455A75;
    font-size:34px;
    margin:50px 0 25px;
    font-weight:bold;
}

.technology-grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
    gap:25px;
    margin-bottom:30px;
}

.tech-card{
    background:white;
    padding:40px 25px;
    border-radius:30px;
    text-align:center;
    box-shadow:0 12px 35px rgba(0,0,0,0.08);
    transition:0.3s;
}

.tech-card:hover{
    transform:translateY(-8px);
}

.tech-card img{
    width:85px;
    height:85px;
    object-fit:contain;
    margin-bottom:20px;
}

.tech-card h3{
    color:#1F3558;
    font-size:24px;
    font-weight:bold;
}

/* RESULTS */

.results-section{
    width:85%;
    margin:80px auto;
}

.results-box{
    background:white;
    padding:50px;
    border-radius:35px;
    box-shadow:0 12px 35px rgba(0,0,0,0.08);
}

.results-box p{
    color:#455A75;
    font-size:21px;
    line-height:1.9;
    margin-bottom:18px;
}

/* FUTURE WORK */

.future-section{
    width:85%;
    margin:80px auto;
}

.future-box{
    background:white;
    padding:50px;
    border-radius:35px;
    box-shadow:0 12px 35px rgba(0,0,0,0.08);
}

.future-box p{
    color:#455A75;
    font-size:21px;
    line-height:1.9;
    margin-bottom:25px;
}

/* SCREENSHOTS */

.screenshots-section{
    width:85%;
    margin:80px auto;
}

.screenshots-grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
    gap:35px;
    margin-top:50px;
}

.phone-card{
    background:white;
    padding:25px;
    border-radius:35px;
    box-shadow:0 12px 35px rgba(0,0,0,0.08);
    transition:0.3s;
}

.phone-card:hover{
    transform:translateY(-10px);
}

.phone-card img{
    width:100%;
    border-radius:25px;
}

/* TEAM */

.team-section{
    width:85%;
    margin:80px auto;
}

.team-grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
    gap:28px;
    margin-top:45px;
}

.team-card{
    background:white;
    padding:35px 25px;
    border-radius:28px;
    text-align:center;
    box-shadow:0 12px 35px rgba(0,0,0,0.08);
    transition:0.3s;
}

.team-card:hover{
    transform:translateY(-8px);
}
.member-img{
    width:140px;
    height:140px;
    background:#EAF8FC;
    border-radius:50%;
    display:flex;
    align-items:center;
    justify-content:center;
    margin:0 auto 22px;
    overflow:hidden;
}
.member-img img{
    width:135px;
    height:135px;
    object-fit:contain;
    display:block;
}
.team-card h3{
    color:#1F3558;
    font-size:22px;
    margin-bottom:8px;
}

.team-card p{
    color:#5A6B82;
    font-size:17px;
}

/* ABOUT TEAM */

.about-team-box{
    background:white;
    padding:40px;
    border-radius:30px;
    box-shadow:0 12px 35px rgba(0,0,0,0.08);
    margin-bottom:45px;
}

.about-team-box p{
    color:#455A75;
    font-size:22px;
    line-height:1.9;
}

.team-category-title{
    color:#455A75;
    font-size:34px;
    margin:40px 0 25px;
    font-weight:bold;
}

.team-email{
    color:#5CB9E8;
    font-size:16px;
    margin-top:12px;
    word-break:break-word;
}

.supervisor-card{
    background:white;
    padding:45px 30px;
    border-radius:30px;
    text-align:center;
    box-shadow:0 12px 35px rgba(0,0,0,0.08);
}

.student-info{
    margin-top:18px;
}

.student-info p{
    color:#455A75;
    font-size:18px;
    line-height:1.8;
}

/* CONTACT */

.contact-section{
    width:85%;
    margin:80px auto;
    background:white;
    padding:55px 35px;
    border-radius:35px;
    text-align:center;
    box-shadow:0 12px 35px rgba(0,0,0,0.08);
}

.contact-section p{
    color:#455A75;
    font-size:21px;
    line-height:1.8;
    margin-bottom:30px;
}

.contact-btn{
    display:inline-block;
    background:#87CEEB;
    color:white;
    padding:18px 35px;
    border-radius:40px;
    text-decoration:none;
    font-weight:bold;
    font-size:18px;
}

/* FOOTER */

footer{
    background:#1F3558;
    color:white;
    text-align:center;
    padding:35px 20px;
}

footer h3{
    font-size:28px;
    margin-bottom:10px;
}

footer p{
    font-size:16px;
    margin:6px 0;
}

/* MOBILE */

@media(max-width:900px){

    .hero{
        padding:25px 6% 140px;
    }

    .hero-content{
        margin-top:55px;
    }

    .hero-card{
        padding:40px 24px;
        border-radius:32px;
    }

    .hero-content h1{
        font-size:48px;
    }

    .subtitle{
        font-size:19px;
        padding:12px 20px;
    }

    .description{
        font-size:17px;
    }

    .hero-logo{
        width:110px;
    }

    .side-menu{
        width:270px;
    }

    .about-section,
    .features-section,
    .problem-section,
    .objectives-section,
    .technology-section,
    .results-section,
    .future-section,
    .screenshots-section,
    .team-section,
    .contact-section{
        width:90%;
    }

    .section-header h2{
        font-size:30px;
    }

    .about-section,
    .results-box,
    .future-box{
        padding:35px;
    }

    .about-section p,
    .problem-section p,
    .results-box p,
    .future-box p{
        font-size:18px;
    }

    .tech-category-title{
        font-size:26px;
    }
}
.hero-logo{
    width:clamp(220px, 40vw, 420px);
}
.member-img img{
    width:70px !important;
    height:70px !important;
    object-fit:contain;
    display:block;
}