/* ===================================
   RESET ȘI VARIABILE GLOBALE
   =================================== */

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

:root {
    /* Culori principale */
    --color-black: #000000;
    --color-gray-dark: #333333;
    --color-gray-medium: #555555;
    --color-gray-light: #999999;
    --color-white: #ffffff;
    --color-blue: #007BFF;
    --color-blue-dark: #0056b3;
    
    /* Font */
    --font-primary: 'Montserrat', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    
    /* Tranziții */
    --transition-fast: 0.3s ease;
    --transition-smooth: 0.5s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    color: var(--color-white);
    background-color: var(--color-black);
    line-height: 1.6;
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

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

/* Butoane */
.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    font-family: var(--font-primary);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: none;
    cursor: pointer;
    transition: var(--transition-fast);
    font-size: 0.95rem;
}

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

.btn-primary:hover {
    background-color: var(--color-blue-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0, 123, 255, 0.3);
}

.btn-full {
    width: 100%;
}

/* ===================================
   HEADER & NAVIGATION
   =================================== */

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--color-gray-dark);
}

.navbar {
    padding: 1rem 0;
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo h1 {
    font-size: 1.8rem;
    font-weight: 800;
    letter-spacing: 2px;
}

.logo .highlight {
    color: var(--color-blue);
}

.nav-menu {
    display: flex;
    gap: 2.5rem;
}

.nav-link {
    font-weight: 600;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-blue);
    transition: var(--transition-fast);
}

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

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

/* Menu hamburger pentru mobile */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.hamburger span {
    width: 30px;
    height: 3px;
    background-color: var(--color-white);
    transition: var(--transition-fast);
}

/* ===================================
   HERO SECTION
   =================================== */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-black) 0%, var(--color-gray-dark) 100%);
    background-image: 
        linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)),
        url('https://images.unsplash.com/photo-1486262715619-67b85e0b08d3?w=1600&q=80');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
}

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

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
    letter-spacing: 3px;
    animation: fadeInUp 1s ease;
}

.hero-subtitle {
    font-size: 1.3rem;
    font-weight: 400;
    margin-bottom: var(--spacing-lg);
    color: var(--color-gray-light);
    animation: fadeInUp 1.2s ease;
}

.hero .btn {
    animation: fadeInUp 1.4s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===================================
   SECTION HEADERS
   =================================== */

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

.section-title {
    font-size: 2.8rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: var(--spacing-sm);
    color: var(--color-white);
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--color-gray-light);
    font-weight: 400;
}

/* ===================================
   SERVICII SECTION
   =================================== */

.servicii {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-black);
}

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

.service-card {
    background-color: var(--color-gray-dark);
    padding: var(--spacing-lg);
    border-radius: 8px;
    border: 2px solid transparent;
    transition: var(--transition-smooth);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 123, 255, 0.1), transparent);
    transition: var(--transition-smooth);
}

.service-card:hover::before {
    left: 100%;
}

.service-card:hover {
    border-color: var(--color-blue);
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 123, 255, 0.3);
}

.service-icon {
    width: 70px;
    height: 70px;
    margin-bottom: var(--spacing-md);
    color: var(--color-blue);
}

.service-icon svg {
    width: 100%;
    height: 100%;
}

.service-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.service-description {
    color: var(--color-gray-light);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.service-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.service-features li {
    padding-left: 1.5rem;
    position: relative;
    color: var(--color-white);
    font-weight: 600;
}

.service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-blue);
    font-weight: 700;
}

/* ===================================
   GALERIE SECTION
   =================================== */

.galerie {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-gray-dark);
}

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

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    aspect-ratio: 4/3;
    cursor: pointer;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
}

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 123, 255, 0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-smooth);
}

.gallery-overlay p {
    font-size: 1.3rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    transform: translateY(20px);
    transition: var(--transition-smooth);
}

.gallery-item:hover img {
    transform: scale(1.1);
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-item:hover .gallery-overlay p {
    transform: translateY(0);
}

/* ===================================
   TESTIMONIALE SECTION
   =================================== */

.testimoniale {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-black);
}

.testimonials-slider {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.testimonials-wrapper {
    position: relative;
    min-height: 300px;
}

.testimonial-card {
    background-color: var(--color-gray-dark);
    padding: var(--spacing-lg);
    border-radius: 8px;
    border-left: 4px solid var(--color-blue);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    opacity: 0;
    transform: translateX(100px);
    transition: var(--transition-smooth);
    pointer-events: none;
}

.testimonial-card.active {
    opacity: 1;
    transform: translateX(0);
    pointer-events: auto;
}

.testimonial-rating {
    color: var(--color-blue);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.testimonial-text {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--color-gray-light);
    margin-bottom: var(--spacing-md);
    font-style: italic;
}

.testimonial-author h4 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 0.3rem;
}

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

/* Controale slider */
.slider-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.slider-btn {
    width: 50px;
    height: 50px;
    border: 2px solid var(--color-blue);
    background-color: transparent;
    color: var(--color-blue);
    font-size: 2rem;
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.slider-btn:hover {
    background-color: var(--color-blue);
    color: var(--color-white);
}

.slider-dots {
    display: flex;
    gap: var(--spacing-xs);
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: var(--color-gray-medium);
    cursor: pointer;
    transition: var(--transition-fast);
}

.dot.active {
    background-color: var(--color-blue);
    transform: scale(1.2);
}

/* ===================================
   CONTACT SECTION
   =================================== */

.contact {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-gray-dark);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
}

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

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

.form-group label {
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.9rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 1rem;
    background-color: var(--color-gray-medium);
    border: 2px solid transparent;
    border-radius: 4px;
    color: var(--color-white);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: var(--transition-fast);
}

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

.form-group textarea {
    resize: vertical;
}

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

.info-card {
    background-color: var(--color-black);
    padding: var(--spacing-md);
    border-radius: 8px;
    border-left: 4px solid var(--color-blue);
    transition: var(--transition-fast);
}

.info-card:hover {
    transform: translateX(10px);
}

.info-icon {
    width: 40px;
    height: 40px;
    color: var(--color-blue);
    margin-bottom: var(--spacing-sm);
}

.info-icon svg {
    width: 100%;
    height: 100%;
}

.info-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    text-transform: uppercase;
}

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

.info-card a {
    color: var(--color-blue);
    transition: var(--transition-fast);
}

.info-card a:hover {
    color: var(--color-white);
}

/* ===================================
   FOOTER
   =================================== */

.footer {
    background-color: var(--color-black);
    padding: var(--spacing-md) 0;
    border-top: 1px solid var(--color-gray-dark);
}

.footer-content {
    text-align: center;
}

.footer-content p {
    color: var(--color-gray-light);
    font-size: 0.95rem;
}

/* ===================================
   RESPONSIVE DESIGN
   =================================== */

/* Tablet */
@media (max-width: 768px) {
    /* Navigation */
    .nav-menu {
        position: fixed;
        top: 70px;
        right: -100%;
        width: 100%;
        max-width: 300px;
        height: calc(100vh - 70px);
        background-color: rgba(0, 0, 0, 0.98);
        flex-direction: column;
        padding: var(--spacing-lg);
        gap: var(--spacing-md);
        transition: var(--transition-smooth);
        border-left: 2px solid var(--color-blue);
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }
    
    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(8px, -8px);
    }
    
    /* Hero */
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    /* Sections */
    .section-title {
        font-size: 2rem;
    }
    
    /* Contact */
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
    
    /* Services */
    .servicii-grid {
        grid-template-columns: 1fr;
    }
    
    /* Gallery */
    .galerie-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Mobile */
@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.7rem;
    }
    
    .galerie-grid {
        grid-template-columns: 1fr;
    }
    
    .btn {
        padding: 0.9rem 2rem;
        font-size: 0.9rem;
    }
}