/* ===================================
   CSS Variables & Reset
   =================================== */
:root {
    --color-primary: #4a7c9b;
    --color-primary-dark: #3a6a87;
    --color-text: #1a1a1a;
    --color-text-light: #666666;
    --color-white: #ffffff;
    --color-black: #000000;
    --color-dark-bg: #1a1a1a;
    --color-border: #e0e0e0;
    
    --font-primary: 'Libre Baskerville', Georgia, 'Times New Roman', serif;
    
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 5rem;
    
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    color: var(--color-text);
    line-height: 1.7;
    background-color: var(--color-white);
}

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

ul {
    list-style: none;
}

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

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

/* ===================================
   Cookie Banner
   =================================== */
.cookie-banner {
    position: fixed;
    bottom: 30px;
    left: 30px;
    max-width: 380px;
    background-color: var(--color-dark-bg);
    color: var(--color-white);
    padding: var(--spacing-md);
    border-radius: 8px;
    z-index: 1000;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    animation: slideUp 0.5s ease;
}

.cookie-banner.hidden {
    display: none;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.cookie-content p {
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: var(--spacing-sm);
}

.cookie-buttons {
    display: flex;
    gap: var(--spacing-sm);
}

.btn-cookie {
    padding: 12px 24px;
    border-radius: 50px;
    font-family: var(--font-primary);
    font-size: 0.8rem;
    cursor: pointer;
    transition: var(--transition);
    letter-spacing: 1px;
}

.btn-cookie.accept {
    background-color: var(--color-primary);
    color: var(--color-white);
    border: 2px solid var(--color-primary);
}

.btn-cookie.accept:hover {
    background-color: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
}

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

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

/* ===================================
   Header
   =================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: var(--spacing-md) var(--spacing-lg);
    transition: var(--transition);
}

.header.scrolled {
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.header-light {
    background-color: var(--color-white);
    border-bottom: 1px solid var(--color-border);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
}

.logo {
    font-size: 1.4rem;
    font-weight: 400;
    color: var(--color-text);
    letter-spacing: 0.5px;
}

.nav-list {
    display: flex;
    gap: var(--spacing-lg);
}

.nav-link {
    font-size: 1rem;
    color: var(--color-text);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--color-text);
    transition: var(--transition);
}

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

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 20px;
    background: none;
    border: none;
    cursor: pointer;
}

.menu-toggle span {
    width: 100%;
    height: 2px;
    background-color: var(--color-text);
    transition: var(--transition);
}

/* ===================================
   Hero Section
   =================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background-color: var(--color-white);
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.hero-video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at center, transparent 0%, rgba(255,255,255,0.3) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 900px;
    padding: var(--spacing-md);
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 400;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--color-text-light);
    max-width: 700px;
    margin: 0 auto var(--spacing-lg);
    line-height: 1.8;
}

.btn-primary {
    display: inline-block;
    padding: 18px 60px;
    background-color: var(--color-primary);
    color: var(--color-white);
    border-radius: 50px;
    font-size: 1rem;
    letter-spacing: 2px;
    transition: var(--transition);
}

.btn-primary:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(74, 124, 155, 0.3);
}

/* ===================================
   Portfolio Section
   =================================== */
.portfolio {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-white);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 400;
    text-align: center;
    margin-bottom: var(--spacing-xl);
    color: var(--color-text);
}

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

.portfolio-card {
    padding: var(--spacing-lg);
    background-color: #f8f9fa;
    border-radius: 8px;
    transition: var(--transition);
}

.portfolio-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.portfolio-card h3 {
    font-size: 1.5rem;
    font-weight: 400;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.portfolio-card p {
    color: var(--color-text-light);
    line-height: 1.7;
}

/* ===================================
   About Section
   =================================== */
.main-content {
    padding-top: 120px;
    min-height: calc(100vh - 200px);
}

.about-section {
    padding: var(--spacing-xl) 0;
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
}

.about-text p {
    font-size: 1.1rem;
    line-height: 2;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

.text-link {
    color: var(--color-primary);
    text-decoration: underline;
}

.text-link:hover {
    color: var(--color-primary-dark);
}

.page-title {
    font-size: 2.5rem;
    font-weight: 400;
    margin-bottom: var(--spacing-lg);
    color: var(--color-text);
}

.about-text h2 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

/* ===================================
   Portfolio Page
   =================================== */
.portfolio-page {
    padding: var(--spacing-xl) 0;
}

.portfolio-list {
    max-width: 900px;
    margin: 0 auto;
}

.portfolio-item-row {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg) 0;
    border-bottom: 1px solid var(--color-border);
    align-items: start;
}

.portfolio-item-row:last-child {
    border-bottom: none;
}

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

.portfolio-logo img {
    max-width: 150px;
    max-height: 80px;
    object-fit: contain;
    filter: grayscale(100%);
    opacity: 0.7;
    transition: var(--transition);
}

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

.logo-placeholder {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text);
    text-align: center;
    display: block;
}

.portfolio-description p {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--color-text-light);
    margin: 0;
}

.company-link {
    color: var(--color-text);
    font-weight: 700;
    text-decoration: none;
    border-bottom: 1px solid var(--color-text);
    transition: var(--transition);
}

.company-link:hover {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

@media (max-width: 768px) {
    .portfolio-item-row {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .portfolio-logo {
        margin-bottom: var(--spacing-sm);
    }
}

/* ===================================
   Contact Section
   =================================== */
.contact-section {
    padding: var(--spacing-xl) 0;
}

.contact-form-wrapper {
    max-width: 600px;
    margin: 0 auto;
}

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

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

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

.form-group label {
    font-size: 0.9rem;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text);
}

.form-group .required {
    color: var(--color-text-light);
}

.form-group input,
.form-group textarea {
    padding: 15px;
    border: 1px solid var(--color-border);
    border-radius: 0;
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: var(--transition);
    background-color: #f8f9fa;
}

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

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

/* Checkbox Styling */
.checkbox-group {
    margin-top: var(--spacing-sm);
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--color-text-light);
}

.checkbox-label input[type="checkbox"] {
    width: 20px;
    height: 20px;
    margin-top: 2px;
    cursor: pointer;
}

.btn-submit {
    padding: 18px 60px;
    background-color: var(--color-primary);
    color: var(--color-white);
    border: none;
    border-radius: 50px;
    font-family: var(--font-primary);
    font-size: 1rem;
    letter-spacing: 2px;
    cursor: pointer;
    transition: var(--transition);
    align-self: flex-start;
}

.btn-submit:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(74, 124, 155, 0.3);
}

/* ===================================
   Footer
   =================================== */
.footer {
    padding: var(--spacing-lg) var(--spacing-md);
    border-top: 1px solid var(--color-border);
    margin-top: var(--spacing-xl);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
}

.footer-copyright {
    font-size: 0.9rem;
    color: var(--color-text);
}

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

.footer-links a {
    font-size: 0.9rem;
    color: var(--color-primary);
    text-decoration: underline;
}

.footer-links a:hover {
    color: var(--color-primary-dark);
}

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 768px) {
    .header {
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        height: 100vh;
        background-color: var(--color-white);
        display: flex;
        align-items: center;
        justify-content: center;
        transition: var(--transition);
    }
    
    .nav.active {
        right: 0;
    }
    
    .nav-list {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-lg);
    }
    
    .nav-link {
        font-size: 1.5rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        flex-direction: column;
        align-items: center;
    }
    
    .cookie-banner {
        left: 15px;
        right: 15px;
        bottom: 15px;
        max-width: none;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .btn-primary,
    .btn-submit {
        padding: 15px 40px;
        font-size: 0.9rem;
    }
}