/* ==========================
   BASE RESET
========================== */

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

body{
    background:#f5f7fa;
    color:#222;
    line-height:1.6;
}

section{
    transition:0.3s ease;
}

/* ==========================
   NAVBAR
========================== */

nav{
    display:flex;
    justify-content:space-between;
    align-items:center;
    padding:15px 60px;

    background:rgba(0,102,204,0.85);
    backdrop-filter:blur(12px);

    position:sticky;
    top:0;
    z-index:1000;

    box-shadow:0 2px 15px rgba(0,0,0,0.15);
    transition:0.3s ease;
}

.logo img{
    height:55px;
    width:auto;
}

nav ul{
    list-style:none;
    display:flex;
    align-items:center;
    gap:35px;
}

nav a{
    color:white;
    text-decoration:none;
    font-size:17px;
    font-weight:500;
    position:relative;
    padding:5px 0;
    transition:0.3s;
}

nav a::after{
    content:"";
    position:absolute;
    left:0;
    bottom:-4px;
    width:0%;
    height:2px;
    background:white;
    transition:0.3s;
}

nav a:hover::after,
nav a.active::after{
    width:100%;
}

.login-btn{
    border:1px solid white;
    padding:8px 18px;
    border-radius:8px;
    transition:0.3s;
}

.login-btn:hover{
    background:white;
    color:#0066cc;
}

.menu-toggle{
    display:none;
    font-size:30px;
    color:white;
    cursor:pointer;
}

/* ==========================
   HERO VIDEO SECTION
========================== */

.hero-header{
    position:relative;
    height:100vh;
    overflow:hidden;
}

.hero-video{
    position:absolute;
    top:0;
    left:0;
    width:100%;
    height:100%;
    object-fit:contain;
    z-index:0;
}

.overlay{
    position:absolute;
    top:0;
    left:0;
    width:100%;
    height:100%;
    background:linear-gradient(
        rgba(0,40,80,0.55),
        rgba(0,40,80,0.65)
    );
    z-index:1;
}

.hero-content{
    display:flex;
    align-items:center;
    height:100vh;
    padding-left:100px;
    position:relative;
    z-index:10;
}

.hero-text{
    max-width:700px;
    color:white;
    animation:fadeUp 0.8s ease;
}

.hero-text h1{
    font-size:75px;
    line-height:1.1;
    margin-bottom:1px;
}

.hero-text p{
    font-size:24px;
    line-height:1.6;
    margin-bottom:1px;
}

.hero-text button{
    background:#1e88ff;
    color:white;
    border:none;
    padding:18px 35px;
    border-radius:8px;
    font-size:18px;
    cursor:pointer;
    transition:0.3s;
}

.hero-text button:hover{
    background:#006de0;
    transform:translateY(-3px);
}

/* ==========================
   FEATURES
========================== */

.features{
    display:flex;
    justify-content:center;
    gap:40px;
    margin-top:-80px;
    padding:0 50px 80px;
    position:relative;
    z-index:20;
}

.card{
    background:white;
    width:320px;
    padding:40px;
    text-align:center;
    border-radius:15px;
    box-shadow:0 10px 25px rgba(0,0,0,0.08);
    transition:0.3s;
}

.card:hover{
    transform:translateY(-5px);
}

.card h3{
    margin-bottom:15px;
    font-size:24px;
}

.card p{
    color:#555;
    line-height:1.6;
}

/* ==========================
   ABOUT SECTION
========================== */

.about-section{
    display:flex;
    justify-content:space-between;
    align-items:center;
    gap:50px;
    padding:80px 100px;
}

.about-text{
    flex:1;
}

.about-text h2{
    font-size:45px;
    color:#003366;
    margin-bottom:30px;
}

.about-text p{
    font-size:18px;
    line-height:1.8;
    color:#444;
    margin-bottom:20px;
}

.about-image{
    flex:1;
}

.about-image img{
    width:100%;
    border-radius:15px;
    box-shadow:0 10px 25px rgba(0,0,0,0.15);
}

/* ==========================
   HAPPY CUSTOMERS
========================== */

.customers-section{
    padding:80px 50px;
    text-align:center;
}

.customers-section h2{
    font-size:42px;
    color:#003366;
    margin-bottom:15px;
}

.customers-subtitle{
    color:#666;
    max-width:700px;
    margin:auto;
    margin-bottom:50px;
}

.customers-gallery{
    display:flex;
    justify-content:center;
    gap:30px;
    flex-wrap:wrap;
}

.customer-card{
    width:320px;
    background:white;
    border-radius:15px;
    overflow:hidden;
    box-shadow:0 5px 20px rgba(0,0,0,0.1);
    transition:0.3s;
}

.customer-card:hover{
    transform:translateY(-5px);
}

.customer-card img{
    width:100%;
    height:250px;
    object-fit:fill;
}

.customer-card h3{
    padding:20px;
    color:#003366;
}

/* ==========================
   WHATSAPP BUTTON
========================== */

.whatsapp-btn{
    display:inline-block;
    background:#25D366;
    color:white;
    padding:12px 25px;
    border-radius:8px;
    text-decoration:none;
    margin-top:15px;
    margin-bottom:20px;
}

/* ==========================
   ANIMATIONS
========================== */

@keyframes fadeUp{
    from{
        opacity:0;
        transform:translateY(20px);
    }
    to{
        opacity:1;
        transform:translateY(0);
    }
}

/* ==========================
   MOBILE RESPONSIVE
========================== */

@media(max-width:900px){

    nav{
        padding:15px 25px;
    }

    .menu-toggle{
        display:block;
    }

    nav ul{
        position:absolute;
        top:70px;
        left:0;
        width:100%;

        flex-direction:column;
        gap:0;

        background:rgba(0,102,204,0.95);

        max-height:0;
        overflow:hidden;

        transition:0.4s ease;
    }

    nav ul.show{
        max-height:300px;
        padding:10px 0;
    }

    nav ul li{
        padding:15px;
        text-align:center;
    }

    .login-btn{
        border:none;
        padding:0;
    }

    .hero-content{
        justify-content:center;
        text-align:center;
        padding:40px;
    }

    .hero-text h1{
        font-size:45px;
    }

    .hero-text p{
        font-size:20px;
    }

    .features{
        flex-direction:column;
        align-items:center;
        margin-top:-40px;
    }

    .about-section{
        flex-direction:column;
        padding:50px 30px;
    }
}

.mobile-banner{
    display:none;
}

@media(max-width:900px){

    .hero-video{
        display:none;
    }

    .hero-header{
        background:
        linear-gradient(
            rgba(0,40,80,0.55),
            rgba(0,40,80,0.65)
        ),
        url("images/hero.png");

        background-size:cover;
        background-position:center;
    }

}