/* 
    Main Style Sheet for Premium Consultancy Website
    Design System: Corporate Fintech-inspired
    Colors: Dark Blue, Royal Blue, White, Black, Light Gray, Subtle Gold
*/

:root {
    --primary-color: #003366; /* Dark Blue */
    --secondary-color: #0056b3; /* Royal Blue */
    --accent-color: #d4af37; /* Subtle Gold */
    --text-color: #333333;
    --light-gray: #f8f9fa;
    --white: #ffffff;
    --black: #000000;
    --font-family: 'Inter', 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    --transition: all 0.3s ease;
}

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

body {
    font-family: var(--font-family);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

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

p {
    margin-bottom: 1rem;
}

/* Navbar */
.navbar {
    background-color: var(--white);
    padding: 0.8rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.08);
}

.navbar-brand img {
    height: 80px;
    width: auto;
    display: block;
    object-fit: contain;
}

@media (max-width: 768px) {
    .navbar-brand img {
        height: 70px;
    }
}

.navbar-nav {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-item {
    position: relative;
}

.nav-link {
    font-weight: 600;
    color: var(--primary-color);
    font-size: 0.95rem;
    padding: 0.5rem 0;
}

.nav-link:hover {
    color: var(--secondary-color);
}

/* Dropdown Menu */
.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--white);
    min-width: 280px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    border-radius: 8px;
    padding: 1rem 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
    border-top: 3px solid var(--accent-color);
}

.nav-item:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

@media (max-width: 992px) {
    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        box-shadow: none;
        transform: none;
        border: none;
        padding: 0 0 0 1rem;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }
    
    .nav-item:hover .dropdown-menu {
        max-height: none;
    }
    
    .nav-item.dropdown-active .dropdown-menu {
        max-height: 1000px; /* Large enough for all items */
        margin-top: 10px;
        padding-bottom: 10px;
    }
}

.dropdown-item {
    display: block;
    padding: 0.7rem 1.5rem;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-color);
    transition: var(--transition);
}

.dropdown-item:hover {
    background: var(--light-gray);
    color: var(--secondary-color);
    padding-left: 1.8rem;
}

.dropdown-toggle::after {
    content: '\f107';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    margin-left: 5px;
    font-size: 0.8rem;
}

/* Hero Slider */
.hero-slider {
    position: relative;
    height: 90vh;
    width: 100%;
    overflow: hidden;
    background: var(--primary-color);
}

.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;
    display: flex;
    align-items: center;
    padding: 0 5%;
}

.slide::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(0, 51, 102, 0.7), rgba(0, 51, 102, 0.7));
    z-index: 1;
}

.slide.active {
    opacity: 1;
}

.slide-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    color: var(--white);
}

.slide-content h1 {
    font-size: 3.5rem;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: var(--white);
}

.slide-content p {
    font-size: 1.2rem;
    margin-bottom: 2.5rem;
    opacity: 0.9;
}

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--primary-color);
    font-size: 0.9rem;
}

.form-control {
    width: 100%;
    padding: 0.9rem 1.2rem;
    border: 1px solid #e1e1e1;
    border-radius: 8px;
    font-family: inherit;
    font-size: 0.95rem;
    transition: var(--transition);
    background: #fdfdfd;
}

.form-control:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 4px rgba(0, 86, 179, 0.1);
    background: var(--white);
}

textarea.form-control {
    resize: vertical;
    min-height: 120px;
}

.nav-cta {
    background-color: var(--primary-color);
    color: var(--white) !important;
    padding: 0.6rem 1.2rem;
    border-radius: 5px;
    font-weight: 600;
}

.nav-cta:hover {
    background-color: var(--secondary-color);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.8rem 1.8rem;
    border-radius: 5px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-align: center;
    min-width: 180px;
    vertical-align: middle;
}

@media (max-width: 576px) {
    .btn {
        width: 100%;
        margin-left: 0 !important;
        margin-bottom: 10px;
    }
    
    .hero-btns {
        display: flex;
        flex-direction: column;
        align-items: center;
        width: 100%;
    }
}

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

.btn-primary:hover {
    background-color: var(--secondary-color);
    transform: translateY(-2px);
}

.btn-outline {
    background-color: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

.btn-outline:hover {
    background-color: var(--primary-color);
    color: var(--white);
    transform: translateY(-2px);
}

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

.btn-gold:hover {
    filter: brightness(1.1);
    transform: translateY(-2px);
}

/* Sections */
.section {
    padding: 6rem 5%;
}

.section-title {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background-color: var(--accent-color);
}

.section-title p {
    color: #666;
    max-width: 700px;
    margin: 1.5rem auto 0;
    font-size: 1.1rem;
}

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

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-column h3 {
    color: var(--white);
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
}

.footer-about img {
    height: 80px;
    margin-bottom: 1.5rem;
    /* filter: brightness(0) invert(1); */
    object-fit: contain;
}

.footer-about p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.95rem;
}

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

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.95rem;
}

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

.footer-contact p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.95rem;
    margin-bottom: 0.8rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}

/* Floating Buttons */
.whatsapp-btn {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: #25d366;
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 30px;
    z-index: 1000;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    transition: var(--transition);
}

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

.call-btn {
    position: fixed;
    bottom: 95px;
    right: 20px;
    background-color: var(--secondary-color);
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 25px;
    z-index: 1000;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    transition: var(--transition);
}

.call-btn:hover {
    transform: scale(1.1);
}

/* Responsive */
@media (max-width: 992px) {
    .navbar {
        padding: 1rem 5%;
    }

    .mobile-toggle {
        display: block !important;
        cursor: pointer;
        font-size: 1.8rem;
        color: var(--primary-color);
        z-index: 1001;
        transition: var(--transition);
    }
    
    .mobile-toggle:hover {
        color: var(--secondary-color);
    }

    .navbar-nav {
        position: fixed;
        right: -100%;
        top: 0;
        height: 100vh;
        width: 80%;
        background: var(--white);
        flex-direction: column;
        align-items: flex-start;
        justify-content: flex-start;
        padding: 80px 10% 40px;
        transition: 0.5s ease;
        box-shadow: -10px 0 30px rgba(0,0,0,0.1);
        overflow-y: auto;
    }
    
    .nav-item {
        width: 100%;
        margin-bottom: 10px;
    }
    
    .nav-link {
        font-size: 1.1rem;
        display: block;
        width: 100%;
        padding: 10px 0;
        border-bottom: 1px solid #eee;
    }

    .navbar-nav.nav-active {
        right: 0;
    }

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

    .slide-content h1 {
        font-size: 2.5rem;
    }
}

@media (max-width: 600px) {
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .section {
        padding: 4rem 1rem;
    }
    
    .section-title h2 {
        font-size: 2rem;
    }
}