/* CalinTech - Clean CSS Styles */

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

:root {
    --primary-color: #0066cc;
    --secondary-color: #00a8e8;
    --accent-color: #ff6b35;
    --dark-bg: #1a1a2e;
    --light-bg: #f8f9fa;
    --text-dark: #333333;
    --text-light: #666666;
    --white: #ffffff;
    --gradient: linear-gradient(135deg, #0066cc 0%, #00a8e8 100%);
}

body {
    font-family: 'Roboto', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-dark);
    background: var(--white);
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Barlow', 'Arial Black', sans-serif;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 20px;
    color: var(--text-dark);
}

h1 { font-size: 50px; }
h2 { font-size: 38px; }
h3 { font-size: 28px; }
h4 { font-size: 24px; }
h5 { font-size: 20px; }
h6 { font-size: 18px; }

p {
    margin-bottom: 20px;
    color: var(--text-light);
}

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

a:hover {
    color: var(--accent-color);
}

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

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

.section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: 42px;
    margin-bottom: 15px;
    color: var(--dark-bg);
}

.section-title p {
    font-size: 18px;
    color: var(--text-light);
    max-width: 700px;
    margin: 0 auto;
}

/* Header & Navigation */
.top-bar {
    background: var(--dark-bg);
    color: var(--white);
    padding: 13px 0 9px;
    font-size: 14px;
}

.top-bar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.top-bar-left, .top-bar-right {
    display: flex;
    gap: 30px;
    flex-wrap: wrap;
}

.top-bar a {
    color: var(--white);
    display: flex;
    align-items: center;
    gap: 8px;
}

.top-bar a:hover {
    color: var(--secondary-color);
}

header {
    background: var(--white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
}

.logo img {
    height: 50px;
    width: auto;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 35px;
}

nav a {
    color: var(--text-dark);
    font-weight: 500;
    font-size: 16px;
    padding: 10px 0;
    position: relative;
}

nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

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

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 10px;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    border-radius: 3px;
    transition: all 0.3s ease;
}

/* Hero Section */
.hero {
    background: var(--gradient);
    color: var(--white);
    padding: 120px 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 600"><path fill="rgba(255,255,255,0.05)" d="M0,300 Q300,200 600,300 T1200,300 L1200,600 L0,600 Z"/></svg>') no-repeat bottom center;
    background-size: cover;
}

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

.hero-content {
    max-width: 700px;
}

.hero h1 {
    font-size: 56px;
    color: var(--white);
    margin-bottom: 25px;
    animation: fadeInUp 1s ease;
}

.hero p {
    font-size: 20px;
    color: rgba(255,255,255,0.95);
    margin-bottom: 35px;
    animation: fadeInUp 1s ease 0.2s backwards;
}

.btn {
    display: inline-block;
    padding: 15px 35px;
    border-radius: 5px;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--accent-color);
    color: var(--white);
    animation: fadeInUp 1s ease 0.4s backwards;
}

.btn-primary:hover {
    background: #ff5722;
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(255,107,53,0.3);
}

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

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

/* Features Section */
.features {
    background: var(--light-bg);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.feature-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
    text-align: center;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 25px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    color: var(--white);
}

.feature-card h3 {
    font-size: 22px;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.feature-card p {
    font-size: 15px;
    color: var(--text-light);
}

/* Services Section */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
}

.service-card {
    background: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.2);
}

.service-image {
    width: 100%;
    height: 250px;
    overflow: hidden;
}

.service-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.service-card:hover .service-image img {
    transform: scale(1.1);
}

.service-content {
    padding: 30px;
}

.service-content h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.service-content p {
    font-size: 15px;
    color: var(--text-light);
    margin-bottom: 20px;
}

/* About Section */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-images {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.about-image {
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.about-image:first-child {
    grid-column: 1 / -1;
}

.about-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.about-text h2 {
    margin-bottom: 20px;
}

.about-text p {
    margin-bottom: 20px;
}

.about-list {
    list-style: none;
    margin: 30px 0;
}

.about-list li {
    padding: 12px 0;
    padding-left: 30px;
    position: relative;
    color: var(--text-light);
}

.about-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
    font-size: 20px;
}

/* Contact Section */
.contact {
    background: var(--light-bg);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info {
    background: var(--white);
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
}

.contact-item {
    margin-bottom: 30px;
    display: flex;
    align-items: flex-start;
    gap: 20px;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 20px;
    flex-shrink: 0;
}

.contact-item h4 {
    margin-bottom: 5px;
    font-size: 18px;
}

.contact-item p {
    margin: 0;
    color: var(--text-light);
}

.contact-form {
    background: var(--white);
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-dark);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 15px;
    font-family: inherit;
    transition: border-color 0.3s ease;
}

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

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

/* Newsletter */
.newsletter {
    background: var(--gradient);
    padding: 60px 0;
    color: var(--white);
}

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

.newsletter h3 {
    color: var(--white);
    margin-bottom: 20px;
}

.newsletter p {
    color: rgba(255,255,255,0.9);
    margin-bottom: 30px;
}

.newsletter-form {
    display: flex;
    max-width: 500px;
    margin: 0 auto;
    gap: 10px;
}

.newsletter-form input {
    flex: 1;
    padding: 15px 20px;
    border: none;
    border-radius: 5px;
    font-size: 15px;
}

.newsletter-form button {
    padding: 15px 30px;
    background: var(--accent-color);
    color: var(--white);
    border: none;
    border-radius: 5px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.newsletter-form button:hover {
    background: #ff5722;
}

/* Footer */
footer {
    background: var(--dark-bg);
    color: var(--white);
    padding: 90px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 50px;
    margin-bottom: 50px;
}

.footer-column h4 {
    color: var(--white);
    margin-bottom: 25px;
}

.footer-logo img {
    height: 50px;
    margin-bottom: 20px;
}

.footer-column p {
    color: rgba(255,255,255,0.7);
    margin-bottom: 15px;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: rgba(255,255,255,0.8);
    transition: all 0.3s ease;
}

.footer-links a:hover {
    color: var(--secondary-color);
    padding-left: 5px;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 30px;
    text-align: center;
}

.footer-bottom p {
    color: rgba(255,255,255,0.6);
    margin: 0;
}

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

.fade-in {
    animation: fadeInUp 0.8s ease;
}

/* Responsive Design */
@media (max-width: 968px) {
    .hero h1 { font-size: 42px; }
    .section-title h2 { font-size: 36px; }
    
    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        box-shadow: 0 5px 20px rgba(0,0,0,0.1);
        padding: 20px;
    }
    
    nav.active {
        display: block;
    }
    
    nav ul {
        flex-direction: column;
        gap: 0;
    }
    
    nav a {
        display: block;
        padding: 15px;
        border-bottom: 1px solid #eee;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .hero {
        padding: 80px 0;
    }
    
    .hero h1 {
        font-size: 36px;
    }
    
    .hero p {
        font-size: 18px;
    }
    
    .section {
        padding: 60px 0;
    }
    
    .features-grid,
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .newsletter-form {
        flex-direction: column;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

@media (max-width: 480px) {
    h1 { font-size: 32px; }
    h2 { font-size: 28px; }
    h3 { font-size: 22px; }
    
    .top-bar .container {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }
    
    .top-bar-left,
    .top-bar-right {
        flex-direction: column;
        gap: 10px;
    }
}

/* Utility Classes */
.text-center { text-align: center; }
.mb-20 { margin-bottom: 20px; }
.mb-30 { margin-bottom: 30px; }
.mt-30 { margin-top: 30px; }