/* 
* Aditya Group - Corporate Theme (Bangur Style)
* Colors: Royal Blue (#2B338C), Action Red (#FF5268)
*/

/* --- Variables & Reset --- */
:root {
    --primary-color: #333335;
    /* Dark Charcoal (from Logo) */
    --primary-dark: #1a1a1c;
    /* Darker shade */
    --accent-color: #F34E21;
    /* Vibrant Orange (from Logo) */
    --accent-hover: #d1401b;
    --accent-secondary: #EFB61E;
    /* Gold (from Logo) */

    --text-color: #333333;
    /* Dark Body Text */
    --bg-light: #F8F9FA;
    /* Light Gray Section BG */
    --white: #ffffff;

    --font-head: 'Montserrat', sans-serif;
    --font-body: 'Open Sans', sans-serif;

    --spacing-container: 1280px;
    --radius-btn: 4px;
    --shadow-card: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

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

body {
    font-family: var(--font-body);
    color: var(--text-color);
    line-height: 1.6;
    background-color: var(--white);
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

ul {
    list-style: none;
}

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

/* --- Typography --- */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-head);
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 1rem;
    line-height: 1.25;
}

h1 {
    font-size: 3.5rem;
    text-transform: uppercase;
}

h2 {
    font-size: 2.5rem;
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: 1.5rem;
}

/* --- Utilities --- */
.container {
    max-width: var(--spacing-container);
    margin: 0 auto;
    padding: 0 2rem;
}

.text-center {
    text-align: center;
}

.bg-light {
    background-color: var(--bg-light);
}

.text-white {
    color: var(--white);
}

.text-acc {
    color: var(--accent-color);
}

/* --- Buttons --- */
.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    border-radius: var(--radius-btn);
    font-weight: 600;
    font-family: var(--font-head);
    text-transform: uppercase;
    font-size: 0.9rem;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all 0.3s;
}

.btn-primary {
    background-color: var(--accent-color);
    color: var(--white);
}

.btn-primary:hover {
    background-color: var(--accent-hover);
}

.btn-outline {
    border-color: var(--white);
    color: var(--white);
    background: transparent;
}

.btn-outline:hover {
    background: var(--white);
    color: var(--primary-color);
}

/* Link Button */
.btn-link {
    color: var(--accent-color);
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.btn-link:hover {
    gap: 8px;
}

/* --- Navbar --- */
header {
    background: var(--white);
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 90px;
}

.logo {
    font-size: 1.8rem;
    font-family: var(--font-head);
    font-weight: 800;
    color: var(--primary-color);
    text-transform: uppercase;
}

.logo span {
    color: var(--accent-color);
}

.main-nav ul {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

.main-nav li {
    position: relative;
}

.main-nav a {
    font-family: var(--font-head);
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--primary-color);
    text-transform: uppercase;
    white-space: nowrap;
    display: inline-block;
}

.main-nav a:hover,
.main-nav a.active {
    color: var(--accent-color);
}

/* Dropdown Styles */
.dropdown {
    position: relative;
}

.dropdown-toggle {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    cursor: pointer;
}

.dropdown-toggle .arrow {
    font-size: 0.7rem;
    transition: transform 0.3s;
}

.dropdown:hover .dropdown-toggle .arrow {
    transform: rotate(180deg);
}

.dropdown-menu {
    display: none;
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    min-width: 280px;
    background: var(--white);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
    border-radius: 4px;
    padding: 0.5rem 0;
    z-index: 9999;
    opacity: 0;
    transform: translateY(-10px);
    transition: opacity 0.3s, transform 0.3s;
}

.dropdown:hover>.dropdown-menu {
    display: block;
    opacity: 1;
    transform: translateY(0);
}

.dropdown-menu li {
    padding: 0;
    margin: 0;
}

.dropdown-menu a {
    display: block;
    padding: 0.75rem 1.5rem;
    font-size: 0.85rem;
    color: var(--text-color);
    text-transform: none;
    font-weight: 500;
    transition: all 0.2s;
    white-space: normal;
}

.dropdown-menu a:hover {
    background: var(--bg-light);
    color: var(--accent-color);
    padding-left: 2rem;
}

/* Submenu (nested dropdown) */
.dropdown-submenu {
    position: relative;
}

.dropdown-submenu>a {
    display: flex !important;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
}

.dropdown-submenu>a .arrow {
    margin-left: auto;
}

.dropdown-submenu-menu {
    display: none;
    position: absolute;
    left: 100%;
    top: -0.5rem;
    min-width: 300px;
    max-width: 350px;
    background: var(--white);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
    border-radius: 4px;
    padding: 0.5rem 0;
    z-index: 10000;
    opacity: 0;
    transform: translateX(-10px);
    transition: opacity 0.3s, transform 0.3s;
}

.dropdown-submenu:hover>.dropdown-submenu-menu {
    display: block;
    opacity: 1;
    transform: translateX(0);
}

.nav-cta .btn {
    padding: 0.6rem 1.5rem;
}

/* --- Hero Section & Slider (Premium Full Width) --- */
.hero {
    position: relative;
    height: 90vh;
    overflow: hidden;
    background: #000;
}

.hero-slider {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1.5s ease-in-out;
    background-size: cover;
    background-position: center;
    overflow: hidden;
    /* For scale effect */
}

.slide.active {
    opacity: 1;
    z-index: 1;
}

/* Premium Ken Burns Effect */
.slide::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-image: inherit;
    /* Inherit from parent inline style */
    transform: scale(1);
    transition: transform 6s ease-out;
}

.slide.active::before {
    transform: scale(1.1);
    /* Subtle zoom */
}

/* Dark Overlay */
.slide::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(0, 0, 0, 0.8) 0%, rgba(0, 0, 0, 0.4) 60%, rgba(0, 0, 0, 0.1) 100%);
    z-index: 1;
}

.slide-content {
    position: absolute;
    top: 50%;
    left: 0;
    transform: translateY(-50%);
    width: 100%;
    max-width: var(--spacing-container);
    right: 0;
    margin: 0 auto;
    padding: 0 2rem;
    z-index: 2;
    color: var(--white);
    text-align: left;
}

.slide-content h1,
.slide-content p,
.slide-content .hero-btns {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

.slide.active .slide-content h1 {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.5s;
}

.slide.active .slide-content p {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.7s;
}

.slide.active .slide-content .hero-btns {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.9s;
}

/* Typography Overrides for Hero */
.slide-content h1 {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    color: var(--white);
    text-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

.slide-content p {
    font-size: 1.3rem;
    max-width: 600px;
    margin-bottom: 2.5rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.9);
}

/* Navigation Dots */
.slider-nav {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    display: flex;
    gap: 15px;
}

.slider-dot {
    width: 12px;
    height: 12px;
    background: rgba(255, 255, 255, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    cursor: pointer;
    transition: 0.3s;
}

.slider-dot.active {
    background: var(--accent-color);
    border-color: var(--accent-color);
    transform: scale(1.3);
}

/* Mobile */
@media (max-width: 768px) {
    .slide-content h1 {
        font-size: 2.5rem;
    }

    .slide-content p {
        font-size: 1rem;
    }

    .hero {
        height: 80vh;
    }
}

/* --- Features Grid (4 Col) --- */
.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    padding: 60px 0;
}

.feature-box {
    text-align: center;
    padding: 2rem;
    transition: transform 0.3s;
}

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

.feature-icon {
    font-size: 2.5rem;
    color: var(--accent-color);
    margin-bottom: 1.5rem;
}

.feature-box h4 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

/* --- Cards Grid --- */
.grid-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    padding: 40px 0;
}

.card {
    background: var(--white);
    border: none;
    box-shadow: var(--shadow-card);
    border-radius: 8px;
    overflow: hidden;
    transition: transform 0.3s;
    height: 100%;
    display: flex;
    flex-direction: column;
}

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

.card-img {
    height: 200px;
    background: #e0e0e0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #888;
}

.card-body {
    padding: 2rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.card h3 {
    color: var(--primary-color);
    font-size: 1.35rem;
}

.card p {
    flex: 1;
    font-size: 0.95rem;
    color: #555;
}

/* --- Footer --- */
footer {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 5rem 0 2rem 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    /* 4 Columns layout */
    gap: 3rem;
    margin-bottom: 4rem;
}

.footer-col h4 {
    color: var(--white);
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 0.5rem;
}

.footer-col h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background: var(--accent-color);
}

.footer-col ul li {
    margin-bottom: 0.8rem;
}

.footer-col a:hover {
    color: var(--accent-color);
    padding-left: 5px;
}

.copyright {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    text-align: center;
    font-size: 0.9rem;
    opacity: 0.7;
}

/* Mobile */
.mobile-toggle {
    display: none;
}

@media (max-width: 992px) {
    .mobile-toggle {
        display: block;
        font-size: 1.5rem;
        cursor: pointer;
        color: var(--primary-color);
    }

    .main-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--white);
        box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
    }

    .main-nav ul {
        flex-direction: column;
        padding: 2rem;
        align-items: center;
    }

    .main-nav.active {
        display: block;
    }

    .features-grid {
        grid-template-columns: 1fr 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }

    h1 {
        font-size: 2.5rem;
    }
}

@media (max-width: 576px) {

    .features-grid,
    .footer-grid {
        grid-template-columns: 1fr;
    }

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

    .nav-cta {
        display: none;
    }

    /* Hide CTA button on mobile to save space */
}