/* Root Technology - Professional CSS */

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

:root {
    --primary: #8b2d8b;
    --primary-dark: #6b2d8b;
    --secondary: #4a90e2;
    --text-dark: #2c3e50;
    --text-light: #7f8c8d;
    --bg-light: #f8f9fa;
    --border-color: #e0e0e0;
    --success: #27ae60;
    --error: #e74c3c;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--text-dark);
    background-color: #ffffff;
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Playfair Display', serif;
    font-weight: 700;
    line-height: 1.2;
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

a {
    color: var(--primary);
    text-decoration: none;
    transition: all 0.3s ease;
}

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

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* ===== NAVIGATION ===== */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 0;
    background: #ffffff;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.logo {
    height: 70px;
    width: auto;
    transition: transform 0.3s ease;
}

.logo:hover {
    transform: scale(1.05);
}

nav ul {
    display: flex;
    list-style: none;
    gap: 2.5rem;
    align-items: center;
}

nav a {
    color: var(--text-dark);
    font-weight: 500;
    position: relative;
    transition: color 0.3s ease;
}

nav a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    transition: width 0.3s ease;
}

nav a:hover::after {
    width: 100%;
}

/* ===== BUTTONS ===== */
.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 0.875rem 1.75rem;
    border-radius: 0.5rem;
    text-decoration: none;
    border: none;
    cursor: pointer;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(139, 45, 139, 0.2);
    display: inline-block;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(139, 45, 139, 0.4);
}

.btn-primary:active {
    transform: translateY(-1px);
}

.btn-secondary {
    background: transparent;
    color: var(--primary);
    padding: 0.875rem 1.75rem;
    border: 2px solid var(--primary);
    border-radius: 0.5rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

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

/* ===== HERO SECTION ===== */
.hero {
    background: linear-gradient(135deg, rgba(139, 45, 139, 0.08) 0%, rgba(74, 144, 226, 0.08) 100%);
    padding: 6rem 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(139, 45, 139, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -5%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(74, 144, 226, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 8s ease-in-out infinite reverse;
}

.hero .container {
    position: relative;
    z-index: 1;
}

.hero h1 {
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: slideInDown 0.8s ease-out;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-light);
    max-width: 700px;
    margin: 0 auto 2rem;
    animation: slideInUp 0.8s ease-out 0.2s both;
}

/* ===== SERVICES SECTION ===== */
.services {
    padding: 6rem 0;
    background: #ffffff;
}

.services h2 {
    text-align: center;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.services > .container > p {
    text-align: center;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto 3rem;
    font-size: 1.1rem;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.service-card {
    background: #ffffff;
    padding: 2.5rem;
    border-radius: 0.75rem;
    border: 2px solid var(--border-color);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    transition: left 0.4s ease;
}

.service-card:hover::before {
    left: 0;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(139, 45, 139, 0.15);
    border-color: var(--primary);
}

.service-card h3 {
    color: var(--primary);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

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

/* ===== ABOUT SECTION ===== */
.about-section {
    background: linear-gradient(135deg, rgba(139, 45, 139, 0.08) 0%, rgba(74, 144, 226, 0.08) 100%);
    padding: 6rem 0;
    text-align: center;
}

.about-section h2 {
    color: var(--text-dark);
    margin-bottom: 2rem;
}

.about-section p {
    max-width: 800px;
    margin: 1rem auto;
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-light);
}

/* ===== CONTACT SECTION ===== */
.contact-section {
    padding: 6rem 0;
}

.contact-section h2 {
    text-align: center;
    color: var(--text-dark);
    margin-bottom: 3rem;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-top: 3rem;
}

.contact-form {
    background: #ffffff;
    padding: 2.5rem;
    border-radius: 0.75rem;
    border: 2px solid var(--border-color);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.contact-form h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-dark);
    font-size: 0.95rem;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.875rem;
    border: 2px solid var(--border-color);
    border-radius: 0.5rem;
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    color: var(--text-dark);
    transition: all 0.3s ease;
    background: #f8f9fa;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
    background: #ffffff;
    box-shadow: 0 0 0 4px rgba(139, 45, 139, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 140px;
}

.form-group button {
    width: 100%;
    padding: 1rem;
    margin-top: 0.5rem;
}

.contact-info {
    background: #ffffff;
    padding: 2.5rem;
    border-radius: 0.75rem;
    border: 2px solid var(--border-color);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    height: fit-content;
}

.contact-info h3 {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    color: var(--text-dark);
}

.info-item {
    margin-bottom: 2.5rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
}

.info-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.info-item h4 {
    color: var(--primary);
    margin-bottom: 0.75rem;
    font-size: 1.1rem;
}

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

.info-item a {
    color: var(--primary);
    font-weight: 600;
    transition: all 0.3s ease;
}

.info-item a:hover {
    color: var(--secondary);
    text-decoration: underline;
}

/* ===== FOOTER ===== */
footer {
    background: linear-gradient(135deg, var(--text-dark) 0%, #1a252f 100%);
    color: #ecf0f1;
    padding: 3rem 0;
    text-align: center;
    border-top: 1px solid var(--border-color);
}

footer p {
    color: #bdc3c7;
}

/* ===== MESSAGES ===== */
.success-message,
.error-message {
    display: none;
    padding: 1.25rem;
    border-radius: 0.5rem;
    margin-bottom: 1.5rem;
    font-weight: 500;
    animation: slideInDown 0.4s ease-out;
}

.success-message {
    background: #d4edda;
    color: #155724;
    border: 2px solid #c3e6cb;
}

.error-message {
    background: #f8d7da;
    color: #721c24;
    border: 2px solid #f5c6cb;
}

/* ===== ANIMATIONS ===== */
@keyframes slideInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(20px);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
}

@media (max-width: 768px) {
    nav ul {
        gap: 1rem;
        flex-wrap: wrap;
    }
    
    .logo {
        height: 50px;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    nav {
        flex-direction: column;
        gap: 1rem;
    }
    
    nav ul {
        flex-direction: column;
        gap: 0.5rem;
        width: 100%;
    }
    
    nav a {
        display: block;
        padding: 0.5rem 0;
    }
    
    h1 { font-size: 1.75rem; }
    h2 { font-size: 1.5rem; }
    
    .hero {
        padding: 3rem 0;
    }
    
    .services,
    .about-section,
    .contact-section {
        padding: 3rem 0;
    }
    
    .service-card,
    .contact-form,
    .contact-info {
        padding: 1.5rem;
    }
}