/* Custom Styles for Greppipe Software Solutions */

:root {
    --primary-color: #006ee6;
    --secondary-color: #001c36;
    --accent-color: #00a8ff;
    --text-dark: #2c3e50;
    --text-light: #7f8c8d;
    --bg-light: #f8f9fa;
    --white: #ffffff;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 15px 40px rgba(0, 0, 0, 0.2);
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    overflow-x: hidden;
}

.section-padding {
    padding: 80px 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 1rem;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    border-radius: 2px;
}

/* Navigation */
.navbar {
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.navbar-brand {
    font-size: 1.5rem;
    color: var(--primary-color) !important;
}

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

.nav-link:hover {
    color: var(--primary-color) !important;
}

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

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

/* Hero Section */
.hero-section {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    position: relative;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="25" cy="25" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="75" cy="75" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="50" cy="10" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="10" cy="90" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="90" cy="30" r="1" fill="rgba(255,255,255,0.1)"/></svg>');
    animation: float 20s ease-in-out infinite;
}

.hero-background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.3);
    z-index: 1;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    33% { transform: translateY(-20px) rotate(120deg); }
    66% { transform: translateY(-10px) rotate(240deg); }
}

.hero-content {
    position: relative;
    z-index: 2;
    color: var(--white);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.grep-pipe-visual {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 30px;
    margin: 20px 0;
}

.grep-icon, .pipe-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.grep-icon:hover, .pipe-icon:hover {
    transform: scale(1.1);
    background: rgba(255, 255, 255, 0.2);
}

.pipe-connection {
    width: 100px;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--white), transparent);
    position: relative;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 900;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.grep-text {
    color: var(--white);
}

.pipe-text {
    color: var(--accent-color);
}

.hero-subtitle {
    font-size: 1.3rem;
    font-weight: 400;
    opacity: 0.9;
    max-width: 800px;
    margin: 0 auto;
}

.hero-buttons {
    margin-top: 2rem;
}

.hero-buttons .btn {
    padding: 15px 30px;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 50px;
    transition: all 0.3s ease;
    margin: 0.5rem;
}

.btn-primary {
    background: var(--white);
    color: var(--primary-color);
    border: none;
}

.btn-primary:hover {
    background: var(--accent-color);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

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

.btn-outline-light:hover {
    background: var(--white);
    color: var(--primary-color);
    transform: translateY(-2px);
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    color: var(--white);
    font-size: 1.5rem;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

/* Value Cards */
.value-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    height: 100%;
}

.value-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

.value-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: var(--white);
    font-size: 2rem;
}

.value-card h4 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-weight: 600;
}

/* Solution Cards */
.solution-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    height: 100%;
    text-align: center;
}

.solution-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

.solution-icon {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: var(--white);
    font-size: 2.5rem;
}

.solution-card h4 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-weight: 600;
}

.solution-benefits {
    list-style: none;
    padding: 0;
    margin: 1.5rem 0;
}

.solution-benefits li {
    padding: 0.5rem 0;
    color: var(--text-light);
    position: relative;
    padding-left: 1.5rem;
}

.solution-benefits li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

/* Feature Items */
.feature-item {
    display: flex;
    align-items: center;
    background: var(--white);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

.feature-item:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-hover);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 2rem;
    margin-right: 1.5rem;
    flex-shrink: 0;
}

.feature-content h4 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

/* Testimonial Cards */
.testimonial-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    height: 100%;
    text-align: center;
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.testimonial-content {
    margin-bottom: 1.5rem;
}

.testimonial-content p {
    font-style: italic;
    color: var(--text-light);
    font-size: 1.1rem;
    line-height: 1.6;
}

.testimonial-author h5 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.testimonial-author span {
    color: var(--text-light);
    font-size: 0.9rem;
}

/* Contact Form */
.contact-form {
    background: var(--white);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: var(--shadow);
}

.form-control {
    border: 2px solid #e9ecef;
    border-radius: 10px;
    padding: 12px 15px;
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(0, 110, 230, 0.25);
}

.contact-info {
    margin-top: 3rem;
}

.contact-item {
    text-align: center;
    padding: 1.5rem;
}

.contact-item i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.contact-item h5 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.contact-item a {
    color: var(--primary-color);
    text-decoration: none;
}

.contact-item a:hover {
    text-decoration: underline;
}

/* AI Chat Widget */
.ai-chat-widget {
    position: fixed;
    bottom: 100px;
    right: 20px;
    width: 350px;
    height: 450px;
    background: var(--white);
    border-radius: 15px;
    box-shadow: var(--shadow-hover);
    display: none;
    flex-direction: column;
    z-index: 1000;
}

.chat-header {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: var(--white);
    padding: 1rem;
    border-radius: 15px 15px 0 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.chat-close {
    background: none;
    border: none;
    color: var(--white);
    font-size: 1.2rem;
    cursor: pointer;
}

.chat-content {
    flex: 1;
    padding: 1rem;
    overflow-y: auto;
}

.chat-message {
    margin-bottom: 1rem;
    padding: 0.8rem;
    border-radius: 10px;
}

.bot-message {
    background: var(--bg-light);
    margin-right: 2rem;
}

.user-message {
    background: var(--primary-color);
    color: var(--white);
    margin-left: 2rem;
}

.chat-input {
    padding: 1rem;
    border-top: 1px solid #e9ecef;
    display: flex;
    gap: 0.5rem;
}

.chat-input input {
    flex: 1;
    border: 1px solid #e9ecef;
    border-radius: 20px;
    padding: 0.5rem 1rem;
}

.chat-input button {
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.chat-toggle {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: var(--white);
    border: none;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    z-index: 1000;
}

.chat-toggle:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-hover);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .grep-pipe-visual {
        gap: 15px;
    }
    
    .grep-icon, .pipe-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
    
    .pipe-connection {
        width: 60px;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .ai-chat-widget {
        width: 90%;
        right: 5%;
        left: 5%;
    }
    
    .feature-item {
        flex-direction: column;
        text-align: center;
    }
    
    .feature-icon {
        margin-right: 0;
        margin-bottom: 1rem;
    }
}

/* Dark Mode */
[data-theme="dark"] {
    --text-dark: #ffffff;
    --text-light: #b0b0b0;
    --bg-light: #2c3e50;
    --white: #34495e;
}

[data-theme="dark"] body {
    background-color: #1a252f;
    color: var(--text-dark);
}

[data-theme="dark"] .navbar {
    background-color: #34495e !important;
}

[data-theme="dark"] .section-padding:nth-child(even) {
    background-color: #2c3e50;
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Loading Animation */
.loading {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.loading.loaded {
    opacity: 1;
    transform: translateY(0);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-color);
}