/*==================================================
 BASIRAH INSTITUTE OF RESEARCH & DEVELOPMENT
 STYLE.CSS
 PART 1
==================================================*/

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

html{
    scroll-behavior:smooth;
}

body{
    font-family:'Poppins',sans-serif;
    background:#f4f7fb;
    color:#333;
    overflow-x:hidden;
}

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

header{
    position:sticky;
    top:0;
    width:100%;
    background:#0f2d52;
    display:grid;
    grid-template-columns:auto 1fr auto;
    align-items:center;
    gap:30px;
    padding:12px 35px;
    box-shadow:0 6px 18px rgba(0,0,0,.18);
    z-index:9999;
}

/*====================================
LEFT TITLE
====================================*/

.logo-section{

    display:flex;

    flex-direction:column;

    justify-content:center;

}

.title{

    display:flex;

    flex-direction:column;

}

/* Arabic */

.arabic{

    font-family:'Amiri',serif;

    font-size:38px;

    color:#D4AF37;

    font-weight:bold;

    line-height:1;

    margin-bottom:3px;

}

/* English Line */

.english-line{

    display:flex;

    align-items:center;

    gap:10px;

    white-space:nowrap;

}

.english{

    font-family:Georgia,serif;

    color:#D4AF37;

    font-size:26px;

    font-weight:bold;

}

.institute{

    color:white;

    font-size:15px;

    font-weight:600;

}

/*====================================
NAVIGATION
====================================*/

nav{

    display:flex;

    align-items:center;

    gap:34px;

    margin-left:auto;

    margin-right:90px;

}

nav a{

    color:white;

    text-decoration:none;

    font-weight:600;

    position:relative;

    transition:.3s;

}

nav a::after{

    content:"";

    position:absolute;

    left:0;

    bottom:-7px;

    width:0;

    height:3px;

    border-radius:20px;

    background:#D4AF37;

    transition:.35s;

}

nav a:hover{

    color:#D4AF37;

}

nav a:hover::after{

    width:100%;

}

/*====================================
LOGO
====================================*/

.logo-box{

    display:flex;

    align-items:center;

    justify-content:center;

    flex-shrink:0;

}

.logo-box img{

    width:82px;

    height:82px;

    object-fit:contain;

    display:block;

    transition:.35s ease;

    cursor:pointer;

}

.logo-box img:hover{

    transform:scale(1.08);

    filter:drop-shadow(0 8px 15px rgba(0,0,0,.25));

}

/*====================================
HAMBURGER
====================================*/

.menu-btn{

    display:none;

    color:white;

    font-size:34px;

    cursor:pointer;

    user-select:none;

}

/*====================================
MOBILE MENU
====================================*/

.mobile-menu{

    display:none;

    background:#0f2d52;

}

.mobile-menu a{

    display:block;

    color:white;

    text-decoration:none;

    padding:18px 22px;

    border-top:1px solid rgba(255,255,255,.1);

    transition:.3s;

}

.mobile-menu a:hover{

    background:#D4AF37;

    color:#0f2d52;

}
/*==================================================
 HERO SECTION
==================================================*/

.hero{
    background:linear-gradient(135deg,#0f2d52,#1f4e87);
    color:#fff;
    min-height:450px;
    display:flex;
    align-items:center;
    padding:90px 8%;
}

.hero-text{
    max-width:750px;
}

.hero h1{
    font-size:50px;
    font-weight:700;
    line-height:1.25;
    margin-bottom:20px;
}

.hero p{
    font-size:20px;
    line-height:1.9;
    color:rgba(255,255,255,.9);
    max-width:650px;
}

.hero button{
    margin-top:35px;
    padding:16px 40px;
    border:none;
    border-radius:50px;
    background:#D4AF37;
    color:#0f2d52;
    font-size:17px;
    font-weight:700;
    cursor:pointer;
    transition:.35s;
}

.hero button:hover{
    transform:translateY(-5px);
    box-shadow:0 15px 30px rgba(0,0,0,.25);
}

/*==================================================
 MAIN LAYOUT
==================================================*/

.container{
    width:95%;
    margin:40px auto;
    display:flex;
    gap:35px;
    align-items:flex-start;
}

/* Main Content */

main{
    flex:1;
}

/*==================================================
 CARD
==================================================*/

.card{
    background:#fff;
    border-radius:20px;
    padding:40px;
    box-shadow:0 10px 30px rgba(0,0,0,.08);
    transition:.35s;
}

.card:hover{
    transform:translateY(-5px);
    box-shadow:0 18px 40px rgba(0,0,0,.12);
}

.card h2{
    color:#0f2d52;
    font-size:32px;
    margin-bottom:20px;
}

.card p{
    font-size:16px;
    color:#555;
    line-height:1.9;
}

/*==================================================
 OPTIONAL CONTENT BOXES
==================================================*/

.info-grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
    gap:25px;
    margin-top:35px;
}

.info-box{
    background:#fff;
    padding:28px;
    border-radius:18px;
    box-shadow:0 8px 25px rgba(0,0,0,.08);
    transition:.35s;
}

.info-box:hover{
    transform:translateY(-6px);
}

.info-box h3{
    color:#0f2d52;
    margin-bottom:15px;
}

.info-box p{
    color:#666;
    line-height:1.8;
}

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

.btn{
    display:inline-block;
    margin-top:20px;
    padding:14px 30px;
    background:#D4AF37;
    color:#0f2d52;
    text-decoration:none;
    border-radius:50px;
    font-weight:700;
    transition:.35s;
}

.btn:hover{
    transform:translateY(-4px);
    box-shadow:0 10px 25px rgba(0,0,0,.2);
}
/*==================================================
 SIDEBAR
==================================================*/

/*==================================================
 SIDEBAR CATEGORY SYSTEM
==================================================*/

aside{
    width:320px;
    flex-shrink:0;
}


/* Sidebar Main Box */

.sidebar{

    position:sticky;

    top:110px;

    height:78vh;

    background:#fff;

    border-radius:20px;

    overflow:hidden;

    box-shadow:0 10px 30px rgba(0,0,0,.12);

    border:1px solid #e6eaf0;

}


/* Sidebar Heading */

.sidebar h3{

    background:linear-gradient(135deg,#0f2d52,#18467d);

    color:white;

    text-align:center;

    padding:18px;

    font-size:22px;

}


/* Category Box */

.sidebar-category{

    border-bottom:1px solid #eee;

}


/* Category Button */

.side-btn{

    width:100%;

    padding:18px 22px;

    border:none;

    background:white;

    display:flex;

    justify-content:space-between;

    align-items:center;

    cursor:pointer;

    font-size:16px;

    font-weight:600;

    color:#333;

    transition:.35s;

}


.side-btn:hover{

    background:#0f2d52;

    color:white;

}


/* Plus Icon */

.side-btn span{

    font-size:22px;

    color:#D4AF37;

    transition:.3s;

}


/* Active Button */

.side-btn.active{

    background:#0f2d52;

    color:white;

}


/* Rotate plus */

.side-btn.active span{

    transform:rotate(45deg);

}


/* Hidden Links Area */

.side-content{

    max-height:0;

    overflow:hidden;

    transition:max-height .4s ease;

    background:#f8fafc;

}


/* Open Links */

.side-content.open{

    max-height:300px;

}


/* Links */

.side-content a{

    display:block;

    padding:14px 25px;

    text-decoration:none;

    color:#444;

    border-top:1px solid #eee;

    font-size:15px;

    transition:.3s;

}


.side-content a:hover{

    background:#D4AF37;

    color:#0f2d52;

    padding-left:35px;

}


/* Scroll if many categories */

.sidebar{

    overflow-y:auto;

}


.sidebar::-webkit-scrollbar{

    width:7px;

}


.sidebar::-webkit-scrollbar-thumb{

    background:#0f2d52;

    border-radius:20px;

}

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

footer{

    margin-top:70px;

    background:#0f2d52;

    color:white;

    text-align:center;

    padding:28px;

    font-size:15px;

}

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

.card,
.sidebar,
.hero button,
.logo-box img,
.sidebar-links a{

    transition:.35s ease;

}

/* Card Hover */

.card:hover{

    transform:translateY(-5px);

}

/* Sidebar Hover */

.sidebar:hover{

    box-shadow:0 16px 40px rgba(0,0,0,.16);

}

/* Button Hover */

.hero button:hover{

    transform:translateY(-5px);

}

/* Logo Hover */

.logo-box img:hover{

    transform:scale(1.08);

}

/*==================================================
 OPTIONAL SHADOW EFFECTS
==================================================*/

.card,
.sidebar{

    border:1px solid rgba(0,0,0,.04);

}

.hero button{

    box-shadow:0 8px 20px rgba(212,175,55,.25);

}

nav a{

    letter-spacing:.3px;

}

/*==================================================
 SELECTION COLOR
==================================================*/

::selection{

    background:#D4AF37;

    color:#0f2d52;

}
/*==================================================
 PART 4
 RESPONSIVE DESIGN & FINAL POLISH
==================================================*/

/* ---------------- Tablets ---------------- */

@media (max-width:1100px){

header{
    padding:12px 25px;
}

/* Navigation */

nav{
    gap:22px;
    margin-right:40px;
}

nav a{
    font-size:15px;
}

/* Logo */

.logo-box img{
    width:70px;
    height:70px;
}

/* Titles */

.arabic{
    font-size:34px;
}

.english{
    font-size:26px;
}

.institute{
    font-size:21px;
}

/* Hero */

.hero{
    padding:70px 7%;
}

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

.hero p{
    font-size:18px;
}

/* Sidebar */

aside{
    width:290px;
}

}

/* ---------------- Mobile ---------------- */

@media (max-width:900px){

header{

    height:auto;

    padding:15px 20px;

    flex-wrap:wrap;

}

/* Hide Desktop Nav */

nav{
    display:none;
}

/* Hamburger */

.menu-btn{
    display:block;
    margin-left:auto;
    font-size:34px;
}

/* Logo */

.logo-box{
    margin-left:15px;
}

.logo-box img{
    width:60px;
    height:60px;
}

/* Title */

.logo-section{
    width:100%;
}

.title{
    width:100%;
}

.arabic{
    font-size:30px;
}

.english-line{
    flex-direction:column;
    align-items:flex-start;
    gap:2px;
}

.english{
    font-size:23px;
}

.institute{
    font-size:17px;
}

/* Hero */

.hero{

    min-height:auto;

    padding:60px 8%;

}

.hero h1{
    font-size:32px;
}

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

.hero button{
    width:100%;
}

/* Layout */

.container{
    flex-direction:column;
}

main{
    width:100%;
}

aside{
    width:100%;
}

/* Sidebar */

.sidebar{

    position:relative;

    top:0;

    height:400px;

}

/* Card */

.card{
    padding:28px;
}

}

/* ---------------- Small Phones ---------------- */

@media (max-width:600px){

header{
    padding:12px 15px;
}

.logo-box img{
    width:55px;
    height:55px;
}

.arabic{
    font-size:26px;
}

.english{
    font-size:20px;
}

.institute{
    font-size:15px;
}

.hero{
    padding:45px 6%;
}

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

.hero p{
    font-size:15px;
}

.hero button{
    padding:15px;
}

.card{
    padding:22px;
}

.card h2{
    font-size:26px;
}

.sidebar{
    height:360px;
}

.sidebar h3{
    font-size:20px;
}

.sidebar-links a{
    padding:15px;
    font-size:15px;
}

footer{
    padding:22px;
    font-size:14px;
}

}

/* ---------------- Mobile Menu Animation ---------------- */

.mobile-menu{

    max-height:0;

    overflow:hidden;

    transition:max-height .35s ease;

}

.mobile-menu.show{

    display:block;

    max-height:500px;

}

.mobile-menu a{

    opacity:0;

    transform:translateY(-8px);

    transition:all .3s ease;

}

.mobile-menu.show a{

    opacity:1;

    transform:translateY(0);

}

/* ---------------- Smooth Effects ---------------- */

html{
    scroll-behavior:smooth;
}

img{
    user-select:none;
    -webkit-user-drag:none;
}

button{
    transition:.3s;
}

a{
    transition:.3s;
}

/* Nice focus effect */

button:focus,
a:focus{

    outline:none;

}

/* Prevent horizontal scrolling */

body{

    overflow-x:hidden;

}

/* End of style.css */
/* Fix mobile header size */

@media (max-width:900px){

    header{

        display:flex;
        align-items:center;
        justify-content:space-between;
        gap:10px;

    }


    .logo-section{

        width:auto;

    }


    .title{

        width:auto;

    }


    .institute{

        white-space:normal;
        line-height:1.3;

    }


    .english-line{

        white-space:normal;

    }


    .menu-btn{

        display:block;
        flex-shrink:0;

    }


    .logo-box{

        flex-shrink:0;

    }

}


@media (max-width:500px){

    .arabic{

        font-size:24px;

    }


    .english{

        font-size:19px;

    }


    .institute{

        font-size:13px;

        max-width:150px;

    }


    .logo-box img{

        width:50px;
        height:50px;

    }


    .menu-btn{

        font-size:30px;

    }

}
/*==============================
WELCOME GRID
==============================*/

.welcome-grid{

    display:grid;

    grid-template-columns:repeat(2,1fr);

    gap:30px;

    margin-top:40px;

}

.welcome-box{

    background:#fff;

    padding:30px;

    border-radius:18px;

    border:1px solid #e8edf5;

    box-shadow:0 10px 25px rgba(0,0,0,.08);

    transition:.35s;

}

.welcome-box:hover{

    transform:translateY(-8px);

    box-shadow:0 18px 35px rgba(0,0,0,.14);

}

.welcome-icon{

    font-size:42px;

    margin-bottom:15px;

}

.welcome-box h3{

    color:#0f2d52;

    font-size:28px;

    margin-bottom:15px;

    line-height:1.3;

}

.welcome-box p{

    color:#666;

    line-height:1.8;

    margin-bottom:25px;

}

.welcome-btn{

    display:inline-block;

    padding:12px 26px;

    background:#0f2d52;

    color:#fff;

    text-decoration:none;

    border-radius:8px;

    font-weight:600;

    transition:.3s;

}

.welcome-btn:hover{

    background:#D4AF37;

    color:#0f2d52;

}

@media(max-width:900px){

    .welcome-grid{

        grid-template-columns:1fr;

    }

}
/*==================================================
UNDER CONSTRUCTION SCREEN
==================================================*/

#constructionScreen{
    position:fixed;
    top:0;
    left:0;
    width:100%;
    height:100vh;

    display:flex;
    justify-content:center;
    align-items:center;

    background:linear-gradient(135deg,#071a33 0%,#0f2d52 55%,#18467d 100%);

    z-index:999999999;

    opacity:1;
    visibility:visible;
}

.construction-box{

    width:min(92%,700px);

    background:rgba(255,255,255,.08);

    backdrop-filter:blur(15px);
    -webkit-backdrop-filter:blur(15px);

    border:1px solid rgba(255,255,255,.15);

    border-radius:24px;

    padding:55px 45px;

    text-align:center;

    box-shadow:0 25px 60px rgba(0,0,0,.35);

    animation:constructionFade .6s ease;

}

.construction-logo{

    width:120px;

    height:auto;

    margin-bottom:25px;

    animation:bounce 2.5s infinite;

}

.construction-icon{

    font-size:70px;

    margin-bottom:20px;

    animation:bounce 2.5s infinite;

}

.construction-box h1{

    color:#D4AF37;

    font-size:42px;

    line-height:1.3;

    margin-bottom:20px;

}

.construction-box p{

    color:#f2f2f2;

    font-size:18px;

    line-height:1.8;

    max-width:560px;

    margin:0 auto 35px;

}

.loader{

    width:70px;

    height:70px;

    margin:0 auto 25px;

    border:6px solid rgba(255,255,255,.20);

    border-top:6px solid #D4AF37;

    border-radius:50%;

    animation:spin 1s linear infinite;

}

.construction-box small{

    display:block;

    color:#d7d7d7;

    font-size:15px;

    margin-bottom:30px;

}

#enterSite{

    border:none;

    background:#D4AF37;

    color:#0f2d52;

    padding:16px 38px;

    border-radius:50px;

    font-size:17px;

    font-weight:700;

    cursor:pointer;

    transition:.35s;

}

#enterSite:hover{

    transform:translateY(-4px);

    box-shadow:0 12px 25px rgba(212,175,55,.35);

}

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

@keyframes spin{

    from{
        transform:rotate(0deg);
    }

    to{
        transform:rotate(360deg);
    }

}

@keyframes bounce{

    0%,100%{
        transform:translateY(0);
    }

    50%{
        transform:translateY(-10px);
    }

}

@keyframes constructionFade{

    from{

        opacity:0;

        transform:translateY(25px) scale(.96);

    }

    to{

        opacity:1;

        transform:translateY(0) scale(1);

    }

}

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

@media(max-width:700px){

    .construction-box{

        width:92%;

        padding:40px 25px;

    }

    .construction-box h1{

        font-size:30px;

    }

    .construction-box p{

        font-size:16px;

    }

    .construction-logo{

        width:90px;

    }

    .construction-icon{

        font-size:55px;

    }

    .loader{

        width:55px;

        height:55px;

    }

    #enterSite{

        width:100%;

    }

}