/* 
   Investment Insights 360 - Main Stylesheet
   Author: Manus AI
   Version: 1.0
*/

/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;500;600;700&family=Open+Sans:wght@300;400;600&display=swap');

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

/* Color Variables */
:root {
    --primary-green: #0D6832;
    --primary-red: #C41E3A;
    --dark-blue: #1A3A5F;
    --light-gray: #F5F5F5;
    --white: #FFFFFF;
    --charcoal: #333333;
    --light-charcoal: #666666;
    --border-color: #E0E0E0;
    --success-color: #28a745;
    --error-color: #dc3545;
}

/* Base Styles */
body {
    font-family: 'Open Sans', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--charcoal);
    background-color: var(--white);
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--dark-blue);
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.75rem;
}

h4 {
    font-size: 1.5rem;
}

h5 {
    font-size: 1.25rem;
}

h6 {
    font-size: 1rem;
}

p {
    margin-bottom: 1rem;
}

a {
    color: var(--primary-green);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--dark-blue);
}

ul, ol {
    margin-left: 1.5rem;
    margin-bottom: 1rem;
}

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

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

.section {
    padding: 4rem 0;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
}

.section-title:after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: var(--primary-green);
    margin: 1rem auto;
}

/* Button Styles */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 4px;
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    font-size: 1rem;
}

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

.btn-primary:hover {
    background-color: #095028;
    color: var(--white);
}

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

.btn-secondary:hover {
    background-color: #a31930;
    color: var(--white);
}

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

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

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

/* Header Styles */
.header {
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 15px;
}

.logo {
    display: flex;
    align-items: center;
}

.logo img {
    height: 50px;
    margin-right: 10px;
}

.logo-text {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--primary-green);
}

.logo-text span {
    color: var(--primary-red);
}

/* Navigation Styles */
.nav-menu {
    display: flex;
    list-style: none;
    margin: 0;
}

.nav-item {
    margin-left: 1.5rem;
    position: relative;
}

.nav-link {
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    color: var(--dark-blue);
    padding: 0.5rem 0;
    position: relative;
}

.nav-link:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-green);
    transition: width 0.3s ease;
}

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

.nav-link.active {
    color: var(--primary-green);
}

.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--white);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    min-width: 200px;
    border-radius: 4px;
    padding: 0.5rem 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
    z-index: 100;
    list-style: none;
    margin: 0;
}

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

.dropdown-item {
    padding: 0.5rem 1rem;
    display: block;
    color: var(--charcoal);
    transition: all 0.3s ease;
}

.dropdown-item:hover {
    background-color: var(--light-gray);
    color: var(--primary-green);
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--dark-blue);
    cursor: pointer;
}

/* Hero Section */
.hero {
    background: linear-gradient(rgba(26, 58, 95, 0.8), rgba(26, 58, 95, 0.8)), url('../images/hero-bg.jpg');
    background-size: cover;
    background-position: center;
    color: var(--white);
    padding: 8rem 0 6rem;
    margin-top: 80px;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.hero-title {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    color: var(--white);
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    font-weight: 300;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

/* Services Section */
.services {
    background-color: var(--light-gray);
}

.service-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
}

.service-card {
    background-color: var(--white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.service-icon {
    background-color: var(--primary-green);
    color: var(--white);
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
}

.service-content {
    padding: 1.5rem;
}

.service-title {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.service-description {
    color: var(--light-charcoal);
    margin-bottom: 1.5rem;
}

/* About Section */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.about-image img {
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.about-text h2 {
    margin-bottom: 1.5rem;
}

.about-features {
    margin-top: 2rem;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.feature-icon {
    color: var(--primary-green);
    font-size: 1.25rem;
    margin-right: 1rem;
}

/* Bangladesh Investment Section */
.bangladesh-investment {
    background: linear-gradient(rgba(13, 104, 50, 0.9), rgba(13, 104, 50, 0.9)), url('../images/bangladesh-bg.jpg');
    background-size: cover;
    background-position: center;
    color: var(--white);
}

.bangladesh-investment .section-title {
    color: var(--white);
}

.bangladesh-investment .section-title:after {
    background: var(--white);
}

.investment-stats {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 2rem;
    text-align: center;
    margin-bottom: 3rem;
}

.stat-item {
    background-color: rgba(255, 255, 255, 0.1);
    padding: 2rem;
    border-radius: 8px;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.investment-cta {
    text-align: center;
    margin-top: 2rem;
}

/* Testimonials Section */
.testimonials {
    background-color: var(--white);
}

.testimonial-slider {
    max-width: 800px;
    margin: 0 auto;
}

.testimonial-item {
    background-color: var(--light-gray);
    padding: 2rem;
    border-radius: 8px;
    text-align: center;
    margin: 0 1rem;
}

.testimonial-text {
    font-style: italic;
    margin-bottom: 1.5rem;
}

.testimonial-author {
    font-weight: 600;
    color: var(--dark-blue);
}

.testimonial-position {
    font-size: 0.9rem;
    color: var(--light-charcoal);
}

/* Resources Section */
.resources-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
}

.resource-card {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.resource-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.resource-image {
    height: 200px;
    background-size: cover;
    background-position: center;
}

.resource-content {
    padding: 1.5rem;
}

.resource-date {
    font-size: 0.9rem;
    color: var(--light-charcoal);
    margin-bottom: 0.5rem;
}

.resource-title {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.resource-excerpt {
    color: var(--light-charcoal);
    margin-bottom: 1.5rem;
}

/* Contact Section */
.contact {
    background-color: var(--light-gray);
}

.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.contact-info {
    background-color: var(--dark-blue);
    color: var(--white);
    padding: 2rem;
    border-radius: 8px;
}

.contact-info h3 {
    color: var(--white);
    margin-bottom: 1.5rem;
}

.contact-detail {
    display: flex;
    align-items: flex-start;
    margin-bottom: 1.5rem;
}

.contact-icon {
    font-size: 1.25rem;
    margin-right: 1rem;
}

.contact-text {
    line-height: 1.4;
}

.contact-form {
    background-color: var(--white);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

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

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.form-control {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-family: 'Open Sans', sans-serif;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-green);
}

textarea.form-control {
    min-height: 150px;
    resize: vertical;
}

.form-submit {
    text-align: right;
}

/* Footer */
.footer {
    background-color: var(--dark-blue);
    color: var(--white);
    padding: 4rem 0 2rem;
}

.footer-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.footer-logo {
    margin-bottom: 1rem;
}

.footer-about p {
    color: #B0B0B0;
}

.footer-heading {
    color: var(--white);
    margin-bottom: 1.5rem;
    font-size: 1.25rem;
}

.footer-links {
    list-style: none;
    margin: 0;
}

.footer-link {
    margin-bottom: 0.75rem;
}

.footer-link a {
    color: #B0B0B0;
    transition: color 0.3s ease;
}

.footer-link a:hover {
    color: var(--white);
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--white);
    transition: background-color 0.3s ease;
}

.social-link:hover {
    background-color: var(--primary-green);
    color: var(--white);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: 3rem;
    padding-top: 2rem;
    text-align: center;
    color: #B0B0B0;
    font-size: 0.9rem;
}

/* Responsive Styles */
@media (max-width: 992px) {
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .contact-container {
        grid-template-columns: 1fr;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 80%;
        height: calc(100vh - 80px);
        background-color: var(--white);
        flex-direction: column;
        padding: 2rem;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        transition: left 0.3s ease;
        overflow-y: auto;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-item {
        margin: 0 0 1rem 0;
    }
    
    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        padding-left: 1rem;
        display: none;
    }
    
    .dropdown.active .dropdown-menu {
        display: block;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 1rem;
    }
    
    .section {
        padding: 3rem 0;
    }
    
    .hero {
        padding: 6rem 0 4rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.25rem;
    }
}

@media (max-width: 576px) {
    .service-cards,
    .resources-grid,
    .investment-stats {
        grid-template-columns: 1fr;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .footer-container {
        grid-template-columns: 1fr;
    }
}