/* Base Styles */
:root {
    --primary-color: #000;
    --secondary-color: #333;
    --accent-color: #285BD4; /* Elegant blue */
    --text-color: #fff;
    --text-dark: #333;
    --nav-bg: #fff; /* New variable for nav background */
    --nav-text: #333; /* New variable for nav text */
    --bg-light: #f5f5f5;
    --bg-dark: #111;
    --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 15px 40px rgba(0, 0, 0, 0.15);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Montserrat', sans-serif;
    line-height: 1.7;
    color: var(--text-dark);
    background-color: #fff;
    font-weight: 400;
    overflow-x: hidden;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Playfair Display', serif;
    margin-bottom: 20px;
    line-height: 1.3;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.elegant-heading {
    font-size: 3rem;
    position: relative;
    margin-bottom: 30px;
}

p {
    margin-bottom: 20px;
    font-size: 1.05rem;
}

.lead-text {
    font-size: 1.2rem;
    line-height: 1.8;
    font-weight: 300;
}

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

ul {
    list-style: none;
}

.section {
    padding: 100px 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-intro {
    font-size: 1.2rem;
    max-width: 800px;
    margin: 0 auto 40px;
    text-align: center;
    line-height: 1.8;
}

.elegant-divider {
    width: 80px;
    height: 3px;
    background-color: var(--accent-color);
    margin: 0 auto 30px;
    position: relative;
}

.elegant-divider::before {
    content: '';
    position: absolute;
    width: 40px;
    height: 3px;
    background-color: var(--accent-color);
    top: -8px;
    left: 20px;
}

.elegant-divider.light {
    background-color: var(--accent-color);
}

.elegant-divider.light::before {
    background-color: var(--accent-color);
}

.dark-bg {
    background-color: var(--primary-color);
    color: var(--text-color);
}

/* Button Styles */
.btn, .cta-btn {
    display: inline-block;
    padding: 14px 28px;
    border-radius: 4px;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    letter-spacing: 0.5px;
    text-transform: uppercase;
    font-size: 0.9rem;
    position: relative;
    overflow: hidden;
}

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

.cta-btn {
    background-color: var(--accent-color);
    border: 2px solid var(--accent-color);
    color: var(--text-color); /* White text on blue background */
}

.btn::before, .cta-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.1);
    transition: var(--transition);
}

.btn:hover::before, .cta-btn:hover::before {
    left: 100%;
}

.btn:hover, .cta-btn:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

/* Header & Navigation */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: var(--nav-bg); /* Changed to white */
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

header.scrolled {
    padding: 10px 0;
    background-color: rgba(255, 255, 255, 0.95); /* Changed to white with transparency */
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    transition: var(--transition);
}

.logo img {
    height: 40px;
    width: auto;
    transition: var(--transition);
}

.nav-links {
    display: flex;
    align-items: center;
}

.nav-links li {
    margin: 0 15px;
    position: relative;
}

.nav-link {
    color: var(--nav-text); /* Changed to dark text */
    font-weight: 500;
    transition: var(--transition);
    position: relative;
    padding: 5px 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-color);
    transition: var(--transition);
}

.nav-link:hover::after {
    width: 100%;
}

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

.login-btn {
    border: 1px solid var(--accent-color);
    padding: 10px 20px;
    border-radius: 4px;
    transition: var(--transition);
    color: var(--accent-color); /* Changed to accent color */
}

.login-btn:hover {
    background-color: var(--accent-color);
    color: var(--text-color); /* White text on hover */
}

.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    width: 250px;
    background-color: var(--nav-bg); /* Changed to white */
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition);
    z-index: 100;
    padding: 10px 0;
    border-radius: 4px;
    border-top: 3px solid var(--accent-color);
}

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

.dropdown-menu li {
    margin: 0;
}

.dropdown-menu a {
    display: block;
    padding: 12px 20px;
    font-weight: 400;
    border-left: 3px solid transparent;
    transition: var(--transition);
    color: var(--nav-text); /* Changed to dark text */
}

.dropdown-menu a:hover {
    background-color: rgba(40, 91, 212, 0.1); /* Light blue background */
    border-left: 3px solid var(--accent-color);
    padding-left: 25px;
    color: var(--accent-color); /* Blue text on hover */
}

.menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--nav-text); /* Changed to dark color */
    margin: 3px 0;
    transition: var(--transition);
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Slider Section */
.slider-container {
    position: relative;
    height: 100vh;
    overflow: hidden;
    margin-top: 80px;
    background-color: var(--bg-light);
}

.slider {
    height: 100%;
    position: relative;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 5%;
    opacity: 0;
    transition: opacity 0.8s ease, transform 0.8s ease;
    transform: translateX(50px);
    visibility: hidden;
}

.slide.active {
    opacity: 1;
    z-index: 1;
    transform: translateX(0);
    visibility: visible;
}

.slide-content {
    flex: 1;
    max-width: 50%;
    padding-right: 40px;
}

.slide-content h1 {
    font-size: 3.5rem;
    margin-bottom: 25px;
    color: var(--primary-color);
}

.slide-content p {
    margin-bottom: 35px;
}

.slide-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.slide-image img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    transform: perspective(1000px) rotateY(-5deg);
}

.slide.active .slide-image img {
    transform: perspective(1000px) rotateY(0deg);
}

.slider-controls {
    position: absolute;
    bottom: 40px;
    left: 0;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10;
}

.prev-btn, .next-btn {
    background-color: var(--primary-color);
    color: var(--text-color);
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    margin: 0 15px;
    transition: var(--transition);
    box-shadow: var(--shadow);
}

.prev-btn:hover, .next-btn:hover {
    background-color: var(--accent-color);
    color: var(--text-color);
    transform: scale(1.1);
}

.slider-dots {
    display: flex;
    align-items: center;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: rgba(0, 0, 0, 0.3);
    margin: 0 5px;
    cursor: pointer;
    transition: var(--transition);
}

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

/* What We Do Section */
#what-we-do h2, #what-we-do h3 {
    text-align: center;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-top: 40px;
}

.service-card {
    background-color: #fff;
    border-radius: 8px;
    padding: 40px 30px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    text-align: center;
    border-bottom: 4px solid transparent;
}

.service-card:hover {
    transform: translateY(-15px);
    box-shadow: var(--shadow-hover);
    border-bottom: 4px solid var(--accent-color);
}

.service-icon {
    font-size: 3rem;
    color: var(--accent-color);
    margin-bottom: 25px;
    transition: var(--transition);
}

.service-card:hover .service-icon {
    transform: scale(1.2);
}

.service-card h4 {
    margin-bottom: 20px;
    font-size: 1.5rem;
    font-weight: 600;
}

/* Our Value Section */
.value-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 40px;
}

.value-image {
    width: 100%;
    max-width: 700px;
    margin: 0 auto;
    position: relative;
}

.value-image::after {
    content: '';
    position: absolute;
    top: 20px;
    left: 20px;
    width: 100%;
    height: 100%;
    border: 2px solid var(--accent-color);
    border-radius: 8px;
    z-index: -1;
    opacity: 0.5;
}

.value-image img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.value-image:hover img {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

.value-cta {
    margin-top: 20px;
}

/* Tabs Sections */
.tabs-container {
    margin-top: 40px;
}

.tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 30px;
    justify-content: center;
}

.tab-btn {
    padding: 12px 24px;
    background-color: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
    color: inherit;
    position: relative;
    overflow: hidden;
}

.tab-btn::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-color);
    transition: var(--transition);
}

.tab-btn:hover::after {
    width: 100%;
}

.tab-btn.active {
    border-bottom: 2px solid var(--accent-color);
    color: var(--accent-color);
}

.tab-content {
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    padding: 40px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.tab-pane {
    display: none;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.tab-pane.active {
    display: block;
    opacity: 1;
    transform: translateY(0);
}

.tab-pane h3 {
    margin-bottom: 20px;
    font-size: 1.8rem;
}

.tab-pane p {
    margin-bottom: 30px;
    line-height: 1.8;
}

.use-case-tabs {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 15px;
}

/* Trust Section */
.trust-logos {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 40px;
    margin-top: 50px;
}

.logo-item {
    width: 150px;
    height: 80px;
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    padding: 15px;
}

.logo-item img {
    max-width: 100%;
    max-height: 100%;
    filter: grayscale(100%) brightness(1.5);
    transition: var(--transition);
}

.logo-item:hover {
    transform: translateY(-10px);
    background-color: rgba(255, 255, 255, 0.1);
}

.logo-item:hover img {
    filter: grayscale(0%) brightness(1);
}

/* Footer */
footer {
    background-color: var(--primary-color);
    color: var(--text-color);
    padding: 80px 0 20px;
    position: relative;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(to right, var(--primary-color), var(--accent-color), var(--primary-color));
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 60px;
    margin-bottom: 60px;
}

.footer-logo-img {
    height: 40px;
    margin-bottom: 20px;
}

.footer-contact h3, .footer-social h3 {
    margin-bottom: 25px;
    font-size: 1.4rem;
    position: relative;
    display: inline-block;
}

.footer-contact h3::after, .footer-social h3::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 40px;
    height: 3px;
    background-color: var(--accent-color);
}

.footer-contact p {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
}

.footer-contact i {
    margin-right: 15px;
    color: var(--accent-color);
    font-size: 1.2rem;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 45px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transition: var(--transition);
    font-size: 1.2rem;
}

.social-links a:hover {
    background-color: var(--accent-color);
    color: var(--text-color);
    transform: translateY(-5px);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Responsive Styles */
@media screen and (max-width: 992px) {
    .elegant-heading {
        font-size: 2.5rem;
    }
    
    .slide {
        flex-direction: column;
        justify-content: center;
        text-align: center;
        padding: 0 20px;
    }
    
    .slide-content {
        max-width: 100%;
        padding-right: 0;
        margin-bottom: 40px;
    }
    
    .slide-content h1 {
        font-size: 2.5rem;
    }
    
    .slide-image {
        max-width: 80%;
    }
    
    .services-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
    
    .tab-content {
        padding: 30px;
    }
}

@media screen and (max-width: 768px) {
    .section {
        padding: 80px 0;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .nav-links {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        flex-direction: column;
        background-color: var(--nav-bg); /* Changed to white */
        transition: var(--transition);
        padding: 20px 0;
        overflow-y: auto;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    }
    
    .nav-links.active {
        left: 0;
    }
    
    .nav-links li {
        margin: 15px 0;
    }
    
    .dropdown-menu {
        position: static;
        width: 100%;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        display: none;
        border-top: none;
        background-color: rgba(40, 91, 212, 0.05); /* Very light blue background */
    }
    
    .dropdown.active .dropdown-menu {
        display: block;
    }
    
    .tabs {
        flex-direction: column;
    }
    
    .use-case-tabs {
        grid-template-columns: 1fr;
    }
    
    .trust-logos {
        gap: 20px;
    }
    
    .logo-item {
        width: 120px;
        height: 70px;
    }
}

@media screen and (max-width: 576px) {
    .elegant-heading {
        font-size: 2rem;
    }
    
    .slider-container {
        height: auto;
        min-height: 100vh;
    }
    
    .slide-content h1 {
        font-size: 2rem;
    }
    
    .section {
        padding: 60px 0;
    }
    
    .tab-content {
        padding: 20px;
    }
    
    .trust-logos {
        gap: 15px;
    }
    
    .logo-item {
        width: 100px;
        height: 60px;
    }
    
    .prev-btn, .next-btn {
        width: 40px;
        height: 40px;
    }
}