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

body {
    font-family: Arial, Helvetica, sans-serif;
    color: #222;
    line-height: 1.6;
    background: #fff;
}

a {
    text-decoration: none;
    color: inherit;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: auto;
}


/* HEADER */

.header {
    background: #fff;
    border-bottom: 1px solid #eee;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav {
    min-height: 75px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 25px;
}

.logo strong {
    display: block;
    font-size: 25px;
    letter-spacing: 1px;
}

.logo span {
    font-size: 10px;
    color: #666;
}

nav {
    display: flex;
    gap: 25px;
}

nav a:hover {
    color: #e69a00;
}


/* BUTTON */

.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 6px;
    font-weight: bold;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: #f4a000;
    color: #fff;
}

.btn-primary:hover {
    background: #d88c00;
}

.btn-outline {
    border: 2px solid #fff;
    color: #fff;
}

.btn-light {
    background: #fff;
    color: #222;
}


/* HERO */

.hero {
    min-height: 600px;
    display: flex;
    align-items: center;
    background:
        linear-gradient(
            rgba(0,0,0,.55),
            rgba(0,0,0,.55)
        ),
        url("../images/solar-hero.jpg")
        center/cover;
    color: #fff;
}

.hero-content {
    max-width: 1200px;
}

.hero h1 {
    font-size: 55px;
    max-width: 750px;
    line-height: 1.1;
    margin: 20px 0;
}

.hero p {
    font-size: 20px;
    max-width: 650px;
    margin-bottom: 30px;
}

.hero-buttons {
    display: flex;
    gap: 15px;
}


/* SECTIONS */

.section {
    padding: 80px 0;
}

.gray {
    background: #f7f7f7;
}

.section-heading {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 45px;
}

.section-heading span,
.badge {
    color: #e69a00;
    font-weight: bold;
    letter-spacing: 1px;
}


/* CARDS */

.cards {
    display: grid;
    grid-template-columns:
        repeat(3, 1fr);
    gap: 25px;
}

.card {
    padding: 30px;
    border: 1px solid #e5e5e5;
    border-radius: 10px;
    background: #fff;
    box-shadow:
        0 5px 20px rgba(0,0,0,.05);
}

.card h3 {
    margin: 15px 0;
}

.card a {
    display: inline-block;
    margin-top: 15px;
    color: #e69a00;
    font-weight: bold;
}

.icon {
    font-size: 40px;
}


/* SURYA */

.surya {
    padding: 90px 0;
    background: #f4a000;
    color: #fff;
}

.surya h2 {
    font-size: 42px;
    margin: 15px 0;
}


/* FEATURES */

.features {
    display: grid;
    grid-template-columns:
        repeat(4, 1fr);
    gap: 30px;
}

.features h3 {
    margin-bottom: 10px;
}


/* PAGE BANNER */

.page-banner {
    padding: 80px 0;
    background: #222;
    color: #fff;
}

.page-banner h1 {
    font-size: 45px;
}


/* TWO COLUMN */

.two-column {
    display: grid;
    grid-template-columns:
        2fr 1fr;
    gap: 50px;
}

.company-box,
.contact-card {
    padding: 30px;
    background: #f7f7f7;
    border-radius: 10px;
}


/* SERVICES */

.service-grid {
    display: grid;
    grid-template-columns:
        repeat(2, 1fr);
    gap: 25px;
}

.service {
    padding: 35px;
    border: 1px solid #ddd;
    border-radius: 10px;
}


/* FORM */

.form-container {
    max-width: 700px;
}

form {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

input,
select,
textarea {
    width: 100%;
    padding: 14px;
    border: 1px solid #ccc;
    border-radius: 5px;
    margin-bottom: 10px;
    font-size: 16px;
}

textarea {
    resize: vertical;
}

.success {
    padding: 15px;
    background: #dff5e3;
    color: #176b2c;
    margin-bottom: 20px;
    border-radius: 5px;
}


/* CONTACT */

.contact-grid {
    display: grid;
    grid-template-columns:
        2fr 1fr;
    gap: 50px;
}


/* CTA */

.cta {
    padding: 80px 0;
    text-align: center;
    background: #222;
    color: #fff;
}

.cta h2 {
    font-size: 40px;
    margin-bottom: 15px;
}


/* FOOTER */

.footer {
    background: #111;
    color: #ddd;
    padding-top: 60px;
}

.footer-grid {
    display: grid;
    grid-template-columns:
        repeat(4, 1fr);
    gap: 30px;
}

.footer h3 {
    color: #fff;
    margin-bottom: 15px;
}

.footer a {
    display: block;
    margin-bottom: 8px;
}

.copyright {
    text-align: center;
    padding: 25px;
    margin-top: 40px;
    border-top: 1px solid #333;
}


/* ADMIN */

.login-box {
    max-width: 400px;
    margin: 100px auto;
    padding: 35px;
    border: 1px solid #ddd;
    border-radius: 10px;
}

.error {
    background: #ffe0e0;
    color: #a00;
    padding: 10px;
    margin: 15px 0;
}

.admin-container {
    width: 90%;
    max-width: 1200px;
    margin: 50px auto;
}

.admin-menu {
    display: flex;
    gap: 20px;
    margin: 25px 0;
}

.dashboard-card {
    padding: 30px;
    background: #f5f5f5;
    border-radius: 10px;
    width: 250px;
}

.dashboard-card strong {
    display: block;
    font-size: 40px;
    margin-top: 10px;
}

.table-wrapper {
    overflow-x: auto;
    margin-top: 30px;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th,
td {
    padding: 12px;
    border: 1px solid #ddd;
    text-align: left;
}

th {
    background: #222;
    color: #fff;
}


/* MOBILE */

@media (max-width: 768px) {

    .nav {
        flex-wrap: wrap;
        padding: 15px 0;
    }

    nav {
        width: 100%;
        justify-content: center;
        flex-wrap: wrap;
        gap: 15px;
    }

    .hero h1 {
        font-size: 38px;
    }

    .cards,
    .features,
    .service-grid,
    .footer-grid,
    .two-column,
    .contact-grid {
        grid-template-columns: 1fr;
    }

    .hero {
        min-height: 500px;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .btn {
        text-align: center;
    }

}