/* ========================================
   ATLANTIC TRADE SERVICES - STYLES
   ======================================== */

/* ===== VARIABLES ===== */
:root {
    /* Colors - Inspired by presentation */
    --primary-color: #003d7a;
    --primary-dark: #002855;
    --primary-light: #0056b3;
    --secondary-color: #00a8e8;
    --accent-color: #ffa500;
    
    --text-dark: #1a1a1a;
    --text-light: #666666;
    --text-white: #ffffff;
    
    --bg-white: #ffffff;
    --bg-light: #f8f9fa;
    --bg-dark: #1a1a1a;
    
    --border-color: #e0e0e0;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 5px 25px rgba(0, 0, 0, 0.15);
    
    /* Typography */
    --font-primary: 'Inter', sans-serif;
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 5rem;
    
    /* Transitions */
    --transition: all 0.3s ease;
}

/* ===== RESET & BASE ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-white);
    overflow-x: hidden;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
    font-weight: var(--font-weight-bold);
    line-height: 1.2;
    color: var(--primary-color);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

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

ul {
    list-style: none;
}

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

/* ===== UTILITIES ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-title {
    font-size: 2.5rem;
    font-weight: var(--font-weight-extrabold);
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--text-light);
    font-weight: var(--font-weight-medium);
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: var(--font-weight-semibold);
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

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

/* ===== HEADER / NAVIGATION ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--bg-white);
    box-shadow: var(--shadow);
    z-index: 1000;
    transition: var(--transition);
}

.header.scrolled {
    box-shadow: var(--shadow-lg);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
}

.nav-brand {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 1rem;
    text-decoration: none;
    transition: var(--transition);
}

.nav-brand:hover {
    opacity: 0.8;
}

.nav-logo-img {
    height: 60px;
    width: auto;
    object-fit: contain;
}

.nav-brand-text {
    display: flex;
    flex-direction: column;
}

.nav-logo {
    font-size: 1.3rem;
    font-weight: var(--font-weight-extrabold);
    color: var(--primary-color);
    margin-bottom: 0.25rem;
    line-height: 1;
}

.nav-tagline {
    font-size: 0.7rem;
    color: var(--secondary-color);
    font-weight: var(--font-weight-medium);
    line-height: 1;
}

.nav-list {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.nav-link {
    font-weight: var(--font-weight-medium);
    color: var(--text-dark);
    padding: 0.5rem 1rem;
    border-radius: 5px;
    transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color);
    background-color: rgba(0, 61, 122, 0.1);
}

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

/* ===== HERO SECTION ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    overflow: hidden;
    margin-top: 80px;
}

.hero-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('../images/hero-main.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: 0;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 61, 122, 0.85) 0%, rgba(0, 168, 232, 0.75) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: var(--spacing-xl) 0;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: var(--font-weight-extrabold);
    color: var(--text-white);
    margin-bottom: var(--spacing-md);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-sm);
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.hero-location {
    font-size: 1.25rem;
    font-weight: var(--font-weight-medium);
    margin-bottom: var(--spacing-sm);
    opacity: 0.9;
}

.hero-description {
    font-size: 1.125rem;
    max-width: 700px;
    margin: 0 auto var(--spacing-lg);
    opacity: 0.95;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

.hero-scroll {
    position: absolute;
    bottom: var(--spacing-md);
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.scroll-down {
    display: inline-block;
    color: var(--text-white);
    font-size: 2rem;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-10px); }
    60% { transform: translateY(-5px); }
}

/* ===== VISION BANNER ===== */
.vision-banner {
    position: relative;
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.vision-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('../images/services-banner.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: 0;
}

.vision-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 61, 122, 0.90) 0%, rgba(0, 168, 232, 0.85) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1;
    padding: var(--spacing-lg) 0;
}

.vision-title {
    font-size: 3rem;
    font-weight: var(--font-weight-extrabold);
    color: var(--text-white);
    text-align: center;
    font-style: italic;
    margin-bottom: var(--spacing-sm);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.vision-subtitle {
    font-size: 1.5rem;
    color: rgba(255, 255, 255, 0.95);
    text-align: center;
    font-weight: var(--font-weight-medium);
}


/* ===== ABOUT SECTION ===== */
.about {
    padding: var(--spacing-xl) 0;
    background-color: var(--bg-light);
}

.about-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.about-card {
    background-color: var(--bg-white);
    padding: var(--spacing-lg);
    border-radius: 10px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
}

.about-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.about-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--text-white);
}

.about-card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--primary-color);
}

.about-card p {
    color: var(--text-light);
    line-height: 1.8;
}

/* Company Info */
.company-info {
    background-color: var(--bg-white);
    padding: var(--spacing-lg);
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.company-info-title {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.company-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.info-item {
    display: flex;
    flex-direction: column;
    padding: var(--spacing-sm);
    border-left: 4px solid var(--secondary-color);
    background-color: var(--bg-light);
    border-radius: 5px;
}

.info-label {
    font-size: 0.875rem;
    color: var(--text-light);
    font-weight: var(--font-weight-medium);
    margin-bottom: 0.25rem;
}

.info-value {
    font-size: 1.125rem;
    color: var(--primary-color);
    font-weight: var(--font-weight-semibold);
}

/* ===== SECTEURS SECTION ===== */
.secteurs {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(to bottom, var(--bg-white) 0%, var(--bg-light) 100%);
}

.secteurs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.secteur-card {
    background-color: var(--bg-white);
    padding: var(--spacing-lg);
    border-radius: 10px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border-left: 4px solid var(--secondary-color);
    position: relative;
    overflow: hidden;
}

.secteur-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 168, 232, 0.05) 0%, rgba(0, 61, 122, 0.05) 100%);
    opacity: 0;
    transition: var(--transition);
    z-index: 0;
}

.secteur-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-left-color: var(--primary-color);
}

.secteur-card:hover::before {
    opacity: 1;
}

.secteur-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--primary-color) 100%);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--text-white);
    margin-bottom: var(--spacing-md);
    position: relative;
    z-index: 1;
    transition: var(--transition);
}

.secteur-card:hover .secteur-icon {
    transform: rotate(5deg) scale(1.1);
}

.secteur-title {
    font-size: 1.25rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
    font-weight: var(--font-weight-bold);
    position: relative;
    z-index: 1;
}

.secteur-description {
    color: var(--text-light);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
    font-size: 0.95rem;
    position: relative;
    z-index: 1;
}

.secteur-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    position: relative;
    z-index: 1;
}

.tag {
    display: inline-block;
    padding: 0.35rem 0.75rem;
    background-color: rgba(0, 168, 232, 0.1);
    color: var(--primary-color);
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: var(--font-weight-medium);
    transition: var(--transition);
}

.secteur-card:hover .tag {
    background-color: var(--secondary-color);
    color: var(--text-white);
}

/* ===== SERVICES SECTION ===== */
.services {
    padding: var(--spacing-xl) 0;
    background-color: var(--bg-white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.service-card {
    background-color: var(--bg-light);
    padding: var(--spacing-lg);
    border-radius: 10px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border-top: 4px solid var(--primary-color);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-top-color: var(--secondary-color);
}

.service-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--text-white);
    margin-bottom: var(--spacing-md);
}

.service-title {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.service-description {
    color: var(--text-light);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.service-features {
    list-style: none;
}

.service-features li {
    padding: 0.5rem 0;
    color: var(--text-dark);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.service-features i {
    color: var(--secondary-color);
    font-size: 0.875rem;
}

/* ===== CONTACT SECTION ===== */
.contact {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--text-white);
}

.contact .section-title,
.contact .section-subtitle {
    color: var(--text-white);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.contact-card {
    background-color: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: var(--spacing-md);
    border-radius: 10px;
    text-align: center;
    transition: var(--transition);
}

.contact-card:hover {
    background-color: rgba(255, 255, 255, 0.2);
    transform: translateX(10px);
}

.contact-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto var(--spacing-sm);
    background-color: var(--text-white);
    color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.contact-card h3 {
    color: var(--text-white);
    margin-bottom: var(--spacing-sm);
}

.contact-card p {
    font-size: 0.9rem;
}

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

.contact-card a:hover {
    text-decoration: underline;
}

/* Contact Form */
.contact-form-wrapper {
    background-color: var(--bg-white);
    padding: var(--spacing-lg);
    border-radius: 10px;
    box-shadow: var(--shadow-lg);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-weight: var(--font-weight-semibold);
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: 5px;
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: var(--transition);
}

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

.form-group textarea {
    resize: vertical;
}

/* ===== FOOTER ===== */
.footer {
    background-color: var(--primary-dark);
    color: var(--text-white);
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

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

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    align-items: flex-start;
}

.footer-logo {
    height: 80px;
    width: auto;
    object-fit: contain;
    margin-bottom: 0;
    margin-left: 0;
    /* Remove the white filter and use original logo colors */
    opacity: 0.95;
    background: transparent;
}

.footer-section h3 {
    color: var(--text-white);
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

.footer-section h4 {
    color: var(--secondary-color);
    font-size: 1rem;
    margin-bottom: var(--spacing-sm);
}

.footer-section p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.8;
}

.footer-section ul {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-section ul li {
    color: rgba(255, 255, 255, 0.8);
}

.footer-section ul li a {
    color: rgba(255, 255, 255, 0.8);
    transition: var(--transition);
}

.footer-section ul li a:hover {
    color: var(--secondary-color);
}

.footer-location {
    margin-top: var(--spacing-sm);
}

/* Social Links */
.social-links {
    display: flex;
    gap: 1rem;
    margin-top: var(--spacing-md);
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 45px;
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    color: var(--text-white);
    font-size: 1.25rem;
    transition: var(--transition);
}

.social-link svg {
    transition: var(--transition);
}

.social-link:hover {
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--primary-color) 100%);
    border-color: var(--secondary-color);
    transform: translateY(-5px) scale(1.1);
    box-shadow: 0 5px 15px rgba(0, 168, 232, 0.4);
}

.social-link i {
    transition: var(--transition);
}

.social-link:hover i,
.social-link:hover svg {
    transform: rotate(360deg);
}

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

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.875rem;
}

/* ===== BACK TO TOP BUTTON ===== */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--text-white);
    border: none;
    border-radius: 50%;
    font-size: 1.25rem;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-5px);
}

/* ===== RESPONSIVE DESIGN ===== */
@media screen and (max-width: 968px) {
    .nav-menu {
        position: fixed;
        top: 80px;
        right: -100%;
        width: 80%;
        height: calc(100vh - 80px);
        background-color: var(--bg-white);
        box-shadow: var(--shadow-lg);
        transition: var(--transition);
        padding: var(--spacing-lg);
    }

    .nav-menu.show {
        right: 0;
    }

    .nav-list {
        flex-direction: column;
        align-items: flex-start;
    }

    .nav-toggle {
        display: block;
    }

    .nav-logo-img {
        height: 50px;
    }

    .nav-logo {
        font-size: 1.1rem;
    }

    .nav-tagline {
        font-size: 0.65rem;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.25rem;
    }

    .vision-title {
        font-size: 2rem;
    }

    .vision-subtitle {
        font-size: 1.125rem;
    }

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

    .section-title {
        font-size: 2rem;
    }

    .secteurs-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }

    .footer-logo {
        height: 60px;
    }
}

@media screen and (max-width: 576px) {
    .nav-brand {
        gap: 0.5rem;
    }

    .nav-logo-img {
        height: 40px;
    }

    .nav-logo {
        font-size: 0.9rem;
    }

    .nav-tagline {
        font-size: 0.55rem;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

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

    .btn {
        width: 100%;
    }

    .vision-title {
        font-size: 1.5rem;
    }

    .vision-subtitle {
        font-size: 1rem;
    }

    .vision-banner {
        min-height: 300px;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .about-content,
    .services-grid,
    .secteurs-grid {
        grid-template-columns: 1fr;
    }

    .footer-logo {
        height: 50px;
    }
}