/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #C5C6C7;
    background-color: #0B0C10;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header Styles */
.header {
    background-color: #0B0C10;
    padding: 20px 0;
    border-bottom: 2px solid #1F2833;
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 30px;
}

.logo-section {
    flex-shrink: 0;
}

.logo {
    height: 70px;
    width: auto;
    border-radius: 8px;
}

.header-text h1 {
    color: #66FCF1;
    font-size: 2.8rem;
    font-weight: 900;
    margin-bottom: 8px;
    letter-spacing: -0.5px;
}

.header-text p {
    color: #C5C6C7;
    font-size: 1.3rem;
    font-weight: 600;
}

/* Portfolio Section */
.portfolio {
    background-color: #1F2833;
    padding: 80px 0;
}

.portfolio h2 {
    text-align: center;
    color: #66FCF1;
    font-size: 2.5rem;
    margin-bottom: 50px;
    font-weight: 700;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

/* Flip Card Container */
.project-card {
    background-color: transparent;
    width: 100%;
    height: 280px;
    perspective: 1000px;
    cursor: pointer;
}

.card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    text-align: center;
    transition: transform 0.6s;
    transform-style: preserve-3d;
    border-radius: 12px;
}

.project-card:hover .card-inner {
    transform: rotateY(180deg);
}

.card-front, .card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    border-radius: 12px;
    border: 2px solid transparent;
    transition: border-color 0.3s ease;
    overflow: hidden;
}

.card-front {
    background-color: #0B0C10;
    display: flex;
    align-items: center;
    justify-content: center;
}

.card-back {
    background-color: #0B0C10;
    transform: rotateY(180deg);
    padding: 30px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.project-card:hover .card-front,
.project-card:hover .card-back {
    border-color: #45A29E;
    box-shadow: 0 10px 30px rgba(69, 162, 158, 0.2);
}

.project-screenshot {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
    border-radius: 12px;
}

.card-back h3 {
    color: #66FCF1;
    font-size: 1.4rem;
    margin-bottom: 15px;
    font-weight: 600;
}

.card-back p {
    color: #C5C6C7;
    font-size: 1rem;
    margin-bottom: 25px;
    line-height: 1.5;
    flex-grow: 1;
}

.project-link {
    display: inline-block;
    background-color: #66FCF1;
    color: #0B0C10;
    text-decoration: none;
    padding: 12px 24px;
    border-radius: 6px;
    font-weight: 600;
    transition: all 0.3s ease;
    margin-top: auto;
}

.project-link:hover {
    background-color: #45A29E;
    transform: translateY(-2px);
}

/* Contact Section */
.contact {
    background-color: #0B0C10;
    padding: 80px 0;
}

.contact h2 {
    text-align: center;
    color: #66FCF1;
    font-size: 2.5rem;
    margin-bottom: 50px;
    font-weight: 700;
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
    background-color: #1F2833;
    padding: 40px;
    border-radius: 12px;
    border: 2px solid #45A29E;
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    color: #66FCF1;
    font-weight: 600;
    margin-bottom: 8px;
    font-size: 0.95rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    background-color: #0B0C10;
    border: 2px solid #45A29E;
    border-radius: 6px;
    color: #C5C6C7;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #66FCF1;
    box-shadow: 0 0 0 3px rgba(102, 252, 241, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.submit-btn {
    width: 100%;
    background-color: #66FCF1;
    color: #0B0C10;
    border: none;
    padding: 15px;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.submit-btn:hover {
    background-color: #45A29E;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(69, 162, 158, 0.3);
}

/* Messages */
.success-message {
    background-color: rgba(69, 162, 158, 0.2);
    border: 1px solid #45A29E;
    color: #66FCF1;
    padding: 15px;
    border-radius: 6px;
    margin-bottom: 25px;
    text-align: center;
    font-weight: 600;
}

.error-message {
    background-color: rgba(220, 53, 69, 0.2);
    border: 1px solid #dc3545;
    color: #ff6b7a;
    padding: 15px;
    border-radius: 6px;
    margin-bottom: 25px;
    text-align: center;
    font-weight: 600;
}

/* Touch devices - activate flip on tap/click */
@media (hover: none) {
    .project-card:active .card-inner {
        transform: rotateY(180deg);
    }
    
    .project-card:focus .card-inner {
        transform: rotateY(180deg);
    }
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }
    
    .header-text h1 {
        font-size: 2.2rem;
    }
    
    .header-text p {
        font-size: 1.1rem;
    }
    
    .portfolio h2,
    .contact h2 {
        font-size: 2rem;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .project-card {
        height: 250px;
    }
    
    .card-back {
        padding: 20px;
    }
    
    .card-back h3 {
        font-size: 1.2rem;
        margin-bottom: 10px;
    }
    
    .card-back p {
        font-size: 0.9rem;
        margin-bottom: 20px;
    }
    
    .contact-form {
        margin: 0 20px;
        padding: 30px 20px;
    }
    
    .portfolio {
        padding: 60px 0;
    }
    
    .contact {
        padding: 60px 0;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .header {
        padding: 15px 0;
    }
    
    .header-content {
        padding: 0 15px;
    }
    
    .header-text h1 {
        font-size: 1.9rem;
    }
    
    .header-text p {
        font-size: 1rem;
    }
    
    .logo {
        height: 50px;
    }
    
    .projects-grid {
        gap: 15px;
    }
    
    .project-card {
        height: 220px;
    }
    
    .card-back {
        padding: 15px;
    }
    
    .card-back h3 {
        font-size: 1.1rem;
    }
    
    .card-back p {
        font-size: 0.85rem;
    }
    
    .contact-form {
        margin: 0 15px;
        padding: 25px 15px;
    }
    
    .submit-btn {
        font-size: 1rem;
        padding: 12px;
    }
}

/* Desktop optimization */
@media (min-width: 1200px) {
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .submit-btn {
        width: auto;
        min-width: 200px;
        margin: 0 auto;
        display: block;
    }
}