/* ===========================
   GOOGLE FONT & RESET
=========================== */

*{
    margin:0;
    padding:0;
    box-sizing:border-box;
    scroll-behavior:smooth;
}

body{
    font-family:'Poppins',sans-serif;
    background:#f5f9ff;
    color:#333;
    line-height:1.6;
}

/* ===========================
   COLOR VARIABLES
=========================== */

:root{

    --primary:#0056d2;
    --secondary:#0d6efd;
    --light:#ffffff;
    --dark:#1d1d1d;
    --gray:#777;
    --background:#f5f9ff;
    --shadow:0 8px 20px rgba(0,0,0,.1);

}

/* ===========================
   GENERAL
=========================== */

section{
    padding:80px 8%;
}

h1,h2,h3{
    margin-bottom:15px;
}

p{
    color:var(--gray);
}

img{
    width:100%;
    display:block;
}

a{
    text-decoration:none;
}

/* ===========================
   HEADER
=========================== */

header{

    position:fixed;
    top:0;
    left:0;
    width:100%;
    background:white;
    display:flex;
    justify-content:space-between;
    align-items:center;
    padding:18px 8%;
    box-shadow:var(--shadow);
    z-index:1000;

}

.logo{

    display:flex;
    align-items:center;
    gap:12px;

}

.logo img{

    width:55px;
    height:55px;
    object-fit:contain;

}

.logo h2{

    color:var(--primary);
    font-size:22px;

}

nav ul{

    display:flex;
    list-style:none;
    gap:35px;

}

nav a{

    color:#222;
    font-weight:500;
    transition:.3s;

}

nav a:hover{

    color:var(--primary);

}

/* ===========================
   DARK BUTTON
=========================== */

#darkModeBtn{

    width:45px;
    height:45px;
    border:none;
    border-radius:50%;
    cursor:pointer;
    background:var(--primary);
    color:white;
    font-size:18px;
    transition:.3s;

}

#darkModeBtn:hover{

    transform:rotate(180deg);

}

/* ===========================
   HERO
=========================== */

.hero{

    min-height:100vh;
    display:grid;
    grid-template-columns:1fr 1fr;
    align-items:center;
    gap:60px;
    padding-top:120px;

}

.hero-text h1{

    font-size:52px;
    color:#222;

}

.hero-text h1 span{

    color:var(--primary);

}

.hero-text h2{

    color:var(--secondary);
    margin-bottom:20px;

}

.hero-text p{

    margin-bottom:30px;
    font-size:18px;

}

.hero-image img{

    border-radius:20px;
    box-shadow:var(--shadow);

}

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

.btn{

    display:inline-block;
    padding:15px 35px;
    background:var(--primary);
    color:white;
    border-radius:50px;
    transition:.3s;

}

.btn:hover{

    background:var(--secondary);
    transform:translateY(-5px);

}
/* ==========================================
   COURSES SECTION
========================================== */

.courses{
    background:#ffffff;
    text-align:center;
}

.courses h2{
    font-size:38px;
    color:var(--primary);
    margin-bottom:50px;
}

.course-container{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
    gap:25px;
}

.course-card{
    background:#fff;
    border-radius:15px;
    padding:35px 20px;
    box-shadow:0 10px 25px rgba(0,0,0,.08);
    transition:.3s;
    cursor:pointer;
}

.course-card:hover{
    transform:translateY(-10px);
    background:var(--primary);
    color:#fff;
}

.course-card:hover h3{
    color:#fff;
}

.course-card i{
    font-size:55px;
    color:var(--primary);
    margin-bottom:20px;
    transition:.3s;
}

.course-card:hover i{
    color:#fff;
}

.course-card h3{
    font-size:22px;
    color:#222;
}

/* ==========================================
   REGISTRATION SECTION
========================================== */

.registration{
    background:#f5f9ff;
}

.registration h2{
    text-align:center;
    font-size:40px;
    color:var(--primary);
    margin-bottom:50px;
}

/* ==========================================
   FORM
========================================== */

form{
    max-width:1100px;
    margin:auto;
}

.form-section{

    background:#fff;
    margin-bottom:35px;
    padding:35px;
    border-radius:18px;
    box-shadow:0 10px 25px rgba(0,0,0,.08);

}

.form-section h3{

    color:var(--primary);
    margin-bottom:25px;
    border-left:5px solid var(--primary);
    padding-left:12px;

}

/* ==========================================
   INPUT GROUP
========================================== */

.input-group{

    display:flex;
    flex-direction:column;
    margin-bottom:22px;

}

.input-group label{

    font-weight:600;
    margin-bottom:8px;

}

.input-group input,
.input-group select,
.input-group textarea{

    padding:15px;
    border:1px solid #d8d8d8;
    border-radius:10px;
    font-size:16px;
    outline:none;
    transition:.3s;
    font-family:'Poppins',sans-serif;

}

.input-group input:focus,
.input-group select:focus,
.input-group textarea:focus{

    border-color:var(--primary);
    box-shadow:0 0 8px rgba(0,86,210,.2);

}

textarea{

    resize:vertical;

}

/* ==========================================
   CHECKBOXES
========================================== */

.checkbox-grid{

    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(180px,1fr));
    gap:12px;
    margin-top:20px;

}

.checkbox-grid label{

    background:#f2f6ff;
    padding:12px;
    border-radius:10px;
    cursor:pointer;
    transition:.3s;

}

.checkbox-grid label:hover{

    background:var(--primary);
    color:#fff;

}

.checkbox-grid input{

    margin-right:8px;

}

/* ==========================================
   TERMS
========================================== */

.terms{

    display:flex;
    align-items:center;
    gap:12px;
    font-weight:500;

}

.terms input{

    width:18px;
    height:18px;

}

/* ==========================================
   SUBMIT BUTTON
========================================== */

.submit-area{

    text-align:center;
    margin-top:40px;

}

.submit-btn{

    background:var(--primary);
    color:#fff;
    border:none;
    padding:18px 50px;
    border-radius:50px;
    font-size:18px;
    cursor:pointer;
    transition:.3s;

}

.submit-btn:hover{

    background:#003f9e;
    transform:translateY(-4px);

}

.submit-btn i{

    margin-right:10px;

}

/* ==========================================
   CONTACT SECTION
========================================== */

.contact{
    background:#ffffff;
    text-align:center;
}

.contact h2{
    font-size:38px;
    color:var(--primary);
    margin-bottom:50px;
}

.contact-container{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
    gap:30px;
}

.contact-box{
    background:#fff;
    padding:35px 25px;
    border-radius:18px;
    box-shadow:var(--shadow);
    transition:.3s;
}

.contact-box:hover{
    transform:translateY(-8px);
}

.contact-box i{
    font-size:50px;
    color:var(--primary);
    margin-bottom:20px;
}

.contact-box h3{
    margin-bottom:10px;
    color:#222;
}

/* ==========================================
   FOOTER
========================================== */

footer{
    background:#0b2e63;
    color:#fff;
    text-align:center;
    padding:25px;
}

footer p{
    color:#fff;
    margin:0;
}

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

.whatsapp{
    position:fixed;
    right:25px;
    bottom:30px;
    width:60px;
    height:60px;
    background:#25D366;
    color:#fff;
    border-radius:50%;
    display:flex;
    justify-content:center;
    align-items:center;
    font-size:30px;
    text-decoration:none;
    box-shadow:0 8px 20px rgba(0,0,0,.2);
    z-index:999;
    transition:.3s;
}

.whatsapp:hover{
    transform:scale(1.1);
}

/* ==========================================
   BACK TO TOP BUTTON
========================================== */

#topBtn{
    position:fixed;
    left:25px;
    bottom:30px;
    width:55px;
    height:55px;
    border:none;
    border-radius:50%;
    background:var(--primary);
    color:#fff;
    font-size:20px;
    cursor:pointer;
    display:none;
    transition:.3s;
    z-index:999;
}

#topBtn:hover{
    background:#003f9e;
}

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

.hero-text,
.hero-image,
.course-card,
.form-section,
.contact-box{
    animation:fadeUp 0.8s ease;
}

@keyframes fadeUp{

    from{
        opacity:0;
        transform:translateY(40px);
    }

    to{
        opacity:1;
        transform:translateY(0);
    }

}

/* ==========================================
   DARK MODE
========================================== */

body.dark-mode{
    background:#121212;
    color:#f5f5f5;
}

body.dark-mode header,
body.dark-mode .course-card,
body.dark-mode .form-section,
body.dark-mode .contact-box,
body.dark-mode .courses,
body.dark-mode .contact{
    background:#1f1f1f;
    color:#fff;
}

body.dark-mode h1,
body.dark-mode h2,
body.dark-mode h3,
body.dark-mode label{
    color:#fff;
}

body.dark-mode p{
    color:#d5d5d5;
}

body.dark-mode nav a{
    color:#ffffff;
}

body.dark-mode input,
body.dark-mode select,
body.dark-mode textarea{
    background:#2b2b2b;
    color:#fff;
    border:1px solid #444;
}

body.dark-mode .checkbox-grid label{
    background:#2b2b2b;
}

body.dark-mode footer{
    background:#000;
}

/* ==========================================
   RESPONSIVE TABLETS
========================================== */

@media(max-width:992px){

    .hero{
        grid-template-columns:1fr;
        text-align:center;
    }

    .hero-image{
        order:-1;
    }

    header{
        flex-wrap:wrap;
        gap:15px;
    }

}

/* ==========================================
   RESPONSIVE PHONES
========================================== */

@media(max-width:768px){

    header{
        flex-direction:column;
        padding:15px;
    }

    nav ul{
        flex-direction:column;
        gap:15px;
        text-align:center;
    }

    .hero h1{
        font-size:36px;
    }

    .hero h2{
        font-size:24px;
    }

    .registration h2,
    .courses h2,
    .contact h2{
        font-size:30px;
    }

    .form-section{
        padding:20px;
    }

    .submit-btn{
        width:100%;
    }

    .logo h2{
        font-size:18px;
    }

    .whatsapp{
        width:55px;
        height:55px;
        font-size:26px;
    }

    #topBtn{
        width:50px;
        height:50px;
    }

}

@media(max-width:480px){

    section{
        padding:60px 5%;
    }

    .hero h1{
        font-size:30px;
    }

    .hero p{
        font-size:16px;
    }

    .btn{
        display:block;
        width:100%;
        text-align:center;
    }

}
/* Menu Button */

.menu-btn{
    display:none;
    background:none;
    border:none;
    font-size:28px;
    cursor:pointer;
    color:#0056d2;
}

/* Mobile */

@media(max-width:768px){

    .menu-btn{
        display:block;
    }

    #navbar{
        display:none;
        width:100%;
    }

    #navbar.active{
        display:block;
    }

    #navbar ul{
        flex-direction:column;
        text-align:center;
        padding:20px 0;
        background:inherit;
    }

    #navbar ul li{
        margin:15px 0;
    }

}
/* ===========================
   DARK MODE MOBILE MENU
=========================== */

body.dark-mode #navbar{
    background:#1e1e1e;
}

body.dark-mode #navbar ul{
    background:#1e1e1e;
}

body.dark-mode #navbar ul li a{
    color:#ffffff;
}

body.dark-mode #navbar ul li a:hover{
    color:#4da3ff;
}

body.dark-mode .menu-btn{
    color:#ffffff;
}

body.dark-mode #darkModeBtn{
    background:#333;
    color:#ffffff;
}