/* styles.css */

/* --- CSS Variables & Theme --- */
:root {
    --primary-color: #0d3b66;
    --primary-hover: #092846;
    --accent-color: #f4a261;
    --accent-hover: #e76f51;
    --secondary-color: #f4f6f8;
    --text-color: #2b2d42;
    --text-muted: #6c757d;
    --border-color: #e2e8f0;
    --white: #ffffff;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-hover: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --max-width: 1200px;
}

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

html {
    scroll-behavior: smooth;
}

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

.container {
    width: 90%;
    max-width: var(--max-width);
    margin: 0 auto;
}

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

ul {
    list-style: none;
}

/* --- Buttons --- */
.btn {
    display: inline-block;
    padding: 0.6rem 1.2rem;
    border-radius: 4px;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    border: none;
    transition: background-color 0.2s ease, transform 0.1s ease;
}

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

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

.btn-secondary {
    background-color: transparent;
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
}

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

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

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

.btn-large {
    padding: 0.8rem 1.8rem;
    font-size: 1.05rem;
}

.btn-full {
    width: 100%;
}

/* --- Header & Navigation --- */
.site-header {
    background-color: var(--white);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-img {
    height: 48px;
    width: auto;
    object-fit: contain;
}

.logo-text {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--primary-color);
    letter-spacing: -0.3px;
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--primary-color);
}

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

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

.main-nav a {
    font-weight: 500;
    color: var(--text-color);
    transition: color 0.2s;
}

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

.auth-buttons {
    display: flex;
    gap: 0.75rem;
}

/* --- Section Formatting --- */
section {
    padding: 4rem 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 3rem auto;
}

.section-header h2 {
    font-size: 2.2rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.section-header p {
    color: var(--text-muted);
    font-size: 1.05rem;
}

/* --- Hero Section --- */
.hero-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, #1d5c96 100%);
    color: var(--white);
    padding: 6rem 0;
    text-align: center;
}

.hero-content {
    max-width: 800px;
}

.hero-content h1 {
    font-size: 2.8rem;
    margin-bottom: 1.2rem;
    line-height: 1.2;
}

.hero-content p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

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

/* --- News Section (4 Column Grid) --- */
.news-section {
    background-color: var(--secondary-color);
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.news-card {
    background-color: var(--white);
    padding: 1.25rem;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    display: flex;
    flex-direction: column;
}

.news-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

.news-tag {
    display: inline-block;
    align-self: flex-start;
    padding: 0.2rem 0.5rem;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    border-radius: 3px;
    margin-bottom: 0.5rem;
}

.tag-shipping { background-color: #e0f2fe; color: #0369a1; }
.tag-trade { background-color: #fef3c7; color: #b45309; }
.tag-company { background-color: #dcfce7; color: #15803d; }
.tag-govt { background-color: #f3e8ff; color: #6b21a8; }

.news-date {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.news-card h3 {
    font-size: 1.05rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    line-height: 1.35;
}

.news-card p {
    font-size: 0.9rem;
    color: var(--text-color);
    flex-grow: 1;
}

/* --- Courses Section --- */
.courses-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    max-width: 900px;
    margin: 0 auto;
}

.course-card {
    background-color: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 2rem;
    position: relative;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
}

.course-card.featured {
    border-top: 4px solid var(--accent-color);
}

.badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background-color: var(--accent-color);
    color: var(--white);
    font-size: 0.75rem;
    font-weight: bold;
    padding: 0.25rem 0.6rem;
    border-radius: 20px;
    text-transform: uppercase;
}

.course-card h3 {
    font-size: 1.35rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    padding-right: 3rem;
}

.course-meta {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.course-card p {
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.course-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--border-color);
    padding-top: 1rem;
}

.price {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary-color);
}

/* --- Consulting Services Section --- */
.consulting-section {
    background-color: var(--secondary-color);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.service-card {
    background-color: var(--white);
    padding: 2rem 1.5rem;
    border-radius: 8px;
    text-align: center;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
}

.service-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.service-card h3 {
    font-size: 1.15rem;
    color: var(--primary-color);
    margin-bottom: 0.75rem;
}

.service-card p {
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* --- Testimonials Section --- */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.testimonial-card {
    background-color: var(--white);
    padding: 1.5rem;
    border-radius: 8px;
    border-left: 4px solid var(--primary-color);
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.quote {
    font-style: italic;
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.client-info strong {
    display: block;
    color: var(--primary-color);
    font-size: 0.9rem;
}

.client-info span {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* --- Founder's Story Section --- */
.founder-section {
    background-color: var(--white);
}

.founder-wrapper {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    align-items: center;
}

.founder-photo {
    width: 100%;
    display: flex;
    justify-content: center;
}

.founder-img {
    width: 100%;
    max-width: 350px;
    height: auto;
    border-radius: 8px;
    box-shadow: var(--shadow);
    object-fit: cover;
}

.founder-content h2 {
    color: var(--primary-color);
    font-size: 2rem;
    margin-bottom: 0.25rem;
}

.founder-content h3 {
    color: var(--accent-hover);
    font-size: 1.1rem;
    margin-bottom: 1rem;
    font-weight: 500;
}

.founder-content p {
    margin-bottom: 1rem;
    color: var(--text-color);
}

/* --- Contact Form Section --- */
.contact-section {
    background-color: var(--secondary-color);
}

.contact-wrapper {
    max-width: 600px;
    margin: 0 auto;
    background-color: var(--white);
    padding: 2.5rem;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.4rem;
    font-weight: 600;
    font-size: 0.9rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-family: inherit;
    font-size: 0.95rem;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

/* --- Footer --- */
.site-footer {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 4rem 0 1.5rem 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 2rem;
    margin-bottom: 3rem;
}

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

.footer-logo-img {
    background-color: var(--white);
    padding: 4px;
    border-radius: 4px;
    height: 44px;
}

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

.footer-col p {
    opacity: 0.8;
    font-size: 0.9rem;
    margin-top: 0.5rem;
}

.footer-col h4 {
    margin-bottom: 1rem;
    font-size: 1.1rem;
    color: var(--accent-color);
}

.footer-col ul li {
    margin-bottom: 0.5rem;
}

.footer-col a {
    opacity: 0.8;
    transition: opacity 0.2s;
    font-size: 0.9rem;
}

.footer-col a:hover {
    opacity: 1;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1.5rem;
    text-align: center;
    font-size: 0.85rem;
    opacity: 0.7;
}

/* --- Modals --- */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 2000;
    justify-content: center;
    align-items: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background-color: var(--white);
    padding: 2rem;
    border-radius: 8px;
    width: 90%;
    max-width: 400px;
    position: relative;
    box-shadow: var(--shadow-hover);
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    font-size: 1.5rem;
    cursor: pointer;
}

.modal-content h3 {
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

/* --- Responsive Media Queries --- */
@media (max-width: 1024px) {
    .news-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: block;
    }

    .main-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--white);
        flex-direction: column;
        padding: 1.5rem;
        box-shadow: var(--shadow);
        border-top: 1px solid var(--border-color);
    }

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

    .main-nav ul {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
        margin-bottom: 1rem;
    }

    .auth-buttons {
        width: 100%;
        justify-content: center;
    }

    .hero-content h1 {
        font-size: 2rem;
    }

    .courses-grid,
    .testimonials-grid,
    .founder-wrapper {
        grid-template-columns: 1fr;
    }

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

@media (max-width: 480px) {
    .news-grid,
    .services-grid {
        grid-template-columns: 1fr;
    }

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