/* ==========================================
   AKIJ BATTERY
   Corporate Landing Page
========================================== */

:root {

    --primary: #0056d6;
    --primary-dark: #001b44;
    --accent: #00b4ff;

    --white: #ffffff;
    --light: #f4f8fc;

    --text: #222222;
    --text-light: #666666;

    --shadow: 0 10px 30px rgba(0,0,0,.08);

}

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

html{
    scroll-behavior:smooth;
}

body{

    font-family:
    "Segoe UI",
    Arial,
    sans-serif;

    color:var(--text);

    background:#fff;

    line-height:1.7;

    overflow-x:hidden;

}

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

a{
    text-decoration:none;
}

ul{
    list-style:none;
}

.container{

    width:90%;
    max-width:1200px;

    margin:auto;

}

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

.header{

    position:fixed;

    top:0;
    left:0;
    right:0;

    z-index:999;

    background:rgba(0,27,68,.90);

    backdrop-filter:blur(10px);

}

.header .container{

    display:flex;

    justify-content:space-between;

    align-items:center;

    height:90px;

}

.logo-area img{

    height:55px;

    width:auto;

}

.header ul{

    display:flex;
    gap:35px;

}

.header a{

    color:#fff;

    font-weight:600;

    transition:.3s;

}

.header a:hover{

    color:var(--accent);

}

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

.hero{

    position:relative;

    min-height:100vh;

    background:
    url('../images/hero-bg.jpg')
    center center / cover;

    display:flex;

    align-items:center;

    overflow:hidden;

}

.hero-overlay{

    position:absolute;

    inset:0;

    background:
    linear-gradient(
        90deg,
        rgba(0,18,52,.90),
        rgba(0,18,52,.70)
    );

}

.hero-content{

    position:relative;

    z-index:2;

    display:grid;

    grid-template-columns:1fr 1fr;

    gap:60px;

    align-items:center;

}

.hero-tagline{

    display:inline-block;

    color:var(--accent);

    font-weight:700;

    letter-spacing:2px;

    margin-bottom:20px;

}

.hero h1{

    color:#fff;

    font-size:62px;

    line-height:1.1;

    margin-bottom:25px;

}

.hero p{

    color:#d7e3ff;

    font-size:20px;

    margin-bottom:35px;

    max-width:600px;

}

.btn-primary{

    display:inline-block;

    padding:15px 35px;

    background:var(--primary);

    color:#fff;

    font-weight:600;

    border-radius:8px;

    transition:.3s;

}

.btn-primary:hover{

    background:#0046b0;

    transform:translateY(-2px);

}

.hero-right{

    display:flex;

    justify-content:center;

    align-items:center;

}

.hero-right img{

    max-width:500px;

    filter:
    drop-shadow(
    0 20px 40px rgba(0,0,0,.40));

}

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

.section{

    padding:100px 0;

}

.light{

    background:var(--light);

}

.section-title{

    text-align:center;

    margin-bottom:60px;

}

.section-title h2{

    font-size:42px;

    color:var(--primary-dark);

    margin-bottom:15px;

}

.section-title p{

    color:var(--text-light);

}

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

.feature-grid{

    display:grid;

    grid-template-columns:
    repeat(auto-fit,minmax(250px,1fr));

    gap:25px;

}

.feature-card{

    background:#fff;

    padding:35px;

    border-radius:16px;

    box-shadow:var(--shadow);

    text-align:center;

    transition:.3s;

}

.feature-card:hover{

    transform:translateY(-6px);

}

.feature-card h3{

    color:var(--primary-dark);

    font-size:20px;

}

/* ==========================================
   APPLICATIONS
========================================== */

.application-grid{

    display:grid;

    grid-template-columns:
    repeat(auto-fit,minmax(250px,1fr));

    gap:30px;

}

.application-item{

    background:#fff;

    border-radius:18px;

    padding:25px;

    text-align:center;

    box-shadow:var(--shadow);

}

.application-item img{

    height:180px;

    width:auto;

    margin:auto;

    object-fit:contain;

}

.application-item h3{

    margin-top:20px;

    color:var(--primary-dark);

}

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

.about-content{

    max-width:850px;

    margin:auto;

    text-align:center;

    font-size:20px;

    color:#555;

}

/* ==========================================
   FACTORY
========================================== */

.factory-section{

    background:#fff;

    padding:100px 0;

}

.factory-wrapper{

    display:grid;

    grid-template-columns:1fr 1fr;

    gap:50px;

    align-items:center;

}

.factory-image img{

    border-radius:20px;

    box-shadow:var(--shadow);

}

.factory-content h2{

    color:var(--primary-dark);

    font-size:42px;

    margin-bottom:20px;

}

.factory-content p{

    color:#555;

    font-size:18px;

}

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

.contact-section{

    background:
    linear-gradient(
        135deg,
        #001b44,
        #003a8c
    );

    color:#fff;

    text-align:center;

    padding:100px 0;

}

.contact-section h2{

    font-size:42px;

    margin-bottom:30px;

}

.contact-section p{

    margin-bottom:15px;

}

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

footer{

    background:#000;

    color:#aaa;

    text-align:center;

    padding:25px;

}

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

@media(max-width:992px){

.hero-content{

    grid-template-columns:1fr;

    text-align:center;

}

.hero h1{

    font-size:48px;

}

.hero p{

    margin-left:auto;
    margin-right:auto;

}

.factory-wrapper{

    grid-template-columns:1fr;

}

}

@media(max-width:768px){

.header ul{

    gap:15px;

    font-size:14px;

}

.hero h1{

    font-size:38px;

}

.hero p{

    font-size:18px;

}

.section-title h2{

    font-size:34px;

}

.factory-content h2{

    font-size:34px;

}

.contact-section h2{

    font-size:34px;

}

}

@media(max-width:480px){

.header{

    display:none;
}

.hero{

    padding:40px 0;
}

.hero h1{

    font-size:32px;

}

.btn-primary{

    width:100%;

    text-align:center;

}

}