/* Base styles and reset */
:root {
    --primary-color: #6200ea;
    --primary-light: #9d46ff;
    --primary-dark: #0a00b6;
    --secondary-color: #00e5ff;
    --secondary-light: #6effff;
    --secondary-dark: #00b2cc;
    --dark-bg: #121212;
    --light-bg: #f8f9fa;
    --dark-text: #212121;
    --light-text: #f5f5f5;
    --gray-bg: #f0f2f5;
    --card-bg: #ffffff;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --border-radius: 8px;
    --transition: all 0.3s ease;
    --error-color: #e74c3c;
    --success-color: #2ecc71;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Roboto', sans-serif;
    line-height: 1.6;
    color: var(--dark-text);
    background-color: var(--light-bg);
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    margin-bottom: 1rem;
}

a {
    text-decoration: none;
    color: var(--primary-color);
    transition: var(--transition);
}

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

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

.btn-primary {
    display: inline-block;
    padding: 12px 24px;
    background-color: var(--primary-color);
    color: var(--light-text) !important;
    border-radius: var(--border-radius);
    font-weight: 500;
    text-align: center;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

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

.section {
    padding: 80px 0;
}

.section.alternate {
    background-color: var(--gray-bg);
}

.section-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    color: var(--primary-dark);
}

.separator {
    display: block;
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    margin: 0 auto;
}

.section-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 3rem;
    font-size: 1.1rem;
    color: #555;
}

/* Navigation & Header */
header {
    position: relative;
}

#navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow);
    padding: 1rem 0;
    transition: var(--transition);
}

#navbar.scrolled {
    padding: 0.5rem 0;
    background-color: rgba(255, 255, 255, 0.98);
}

#navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo h1 {
    font-size: 1.8rem;
    margin: 0;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 700;
}

.logo a {
    text-decoration: none;
}

.nav-menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-menu li {
    margin-left: 1.5rem;
}

.nav-menu a {
    color: var(--dark-text);
    font-weight: 500;
    padding: 0.5rem 0;
    position: relative;
}

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

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

.nav-menu a.btn-primary {
    padding: 0.5rem 1rem;
}

.nav-menu a.btn-primary::after {
    display: none;
}

.nav-toggle {
    display: none;
    cursor: pointer;
}

.bar {
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px 0;
    background-color: var(--dark-text);
    transition: var(--transition);
}

/* Hero Section */
.hero {
    height: 100vh;
    min-height: 600px;
    background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('https://images.unsplash.com/photo-1639322537504-6427a16b0a28?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=1920&q=80') center/cover no-repeat;
    display: flex;
    align-items: center;
    text-align: center;
    color: var(--light-text);
    padding: 0 15px;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 0.5rem;
    background: linear-gradient(90deg, var(--primary-light), var(--secondary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: var(--light-text);
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* Two-column layout */
.two-column {
    display: flex;
    gap: 3rem;
    align-items: center;
    margin-bottom: 3rem;
}

.two-column.reverse {
    flex-direction: row-reverse;
}

.column {
    flex: 1;
}

.column h3 {
    margin-top: 1.5rem;
    margin-bottom: 1rem;
    color: var(--primary-dark);
}

.column ul {
    margin-left: 1.5rem;
    margin-bottom: 1.5rem;
}

.column ul li {
    margin-bottom: 0.5rem;
}

.feature-image {
    width: 100%;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

/* Features grid */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-card {
    background-color: var(--card-bg);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
    text-align: center;
}

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

.feature-card i {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.arch-grid {
    margin-top: 3rem;
    display: grid;
    grid-template-columns: repeat(3, 1fr); /* Always 3 columns */
    gap: 2rem;
}


/* Advantages section */
.advantages-section {
    margin-top: 4rem;
    text-align: center;
}

.advantages-section h3 {
    margin-bottom: 2rem;
    color: var(--primary-dark);
}

.advantages-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.5rem;
}

.advantage-item {
    display: flex;
    align-items: center;
    background-color: var(--card-bg);
    padding: 1rem 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.advantage-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.advantage-item i {
    font-size: 1.5rem;
    margin-right: 1rem;
    color: var(--primary-color);
}

.advantage-item span {
    font-weight: 500;
}

/* Capabilities section */
.capabilities-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.capability-card {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.capability-header {
    background: linear-gradient(90deg, var(--primary-color), var(--primary-dark));
    color: var(--light-text);
    padding: 1.5rem;
    display: flex;
    align-items: center;
}

.capability-header i {
    font-size: 2rem;
    margin-right: 1rem;
}

.capability-header h3 {
    margin: 0;
    color: var(--light-text);
}

.capability-content {
    padding: 1.5rem;
}

.capability-content p {
    margin-bottom: 1rem;
}

.capability-content ul {
    margin-left: 1.5rem;
}

.capability-content ul li {
    margin-bottom: 0.5rem;
}

/* Tabs section */
.tab-container {
    margin-top: 3rem;
}

.tabs {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    margin-bottom: 2rem;
    gap: 0.5rem;
}

.tab-btn {
    padding: 0.8rem 1.5rem;
    background-color: transparent;
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    cursor: pointer;
    font-weight: 500;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.tab-btn:hover, .tab-btn.active {
    background-color: var(--primary-color);
    color: var(--light-text);
}

.tab-content {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.tab-pane {
    display: none;
}

.tab-pane.active {
    display: block;
}

.tab-pane-content {
    display: flex;
    flex-wrap: wrap;
}

.tab-image {
    flex: 1;
    min-width: 300px;
    object-fit: cover;
}

.tab-text {
    flex: 2;
    min-width: 300px;
    padding: 2rem;
}

.tab-text h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.tab-text ul {
    margin-left: 1.5rem;
    margin-top: 1rem;
}

.tab-text li {
    margin-bottom: 0.5rem;
}

/* Deployment section */
.deployment-options, .integration-features {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-top: 2rem;
    grid-auto-rows: 1fr;
}

.deployment-option, .integration-feature {
    background-color: var(--card-bg);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.deployment-option:hover, .integration-feature:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.deployment-option i, .integration-feature i {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-right: 0.75rem;
}

.deployment-option h4, .integration-feature h4 {
    margin-bottom: 0.5rem;
}

.header-with-icon {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
}

.header-with-icon h4 {
    margin-bottom: 0;
}

/* Parallax section */
.parallax {
    background: url('https://images.unsplash.com/photo-1531297484001-80022131f5a1?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=1920&q=80') center/cover fixed no-repeat;
    position: relative;
    color: var(--light-text);
}

.overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
}

.parallax .container {
    position: relative;
    z-index: 2;
}

.section-header.light h2, .section-intro.light {
    color: var(--light-text);
}

.separator.light {
    background: linear-gradient(90deg, var(--primary-light), var(--secondary-light));
}

.strategic-advantages {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.strategic-advantage {
    text-align: center;
    padding: 1.5rem;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    backdrop-filter: blur(5px);
    transition: var(--transition);
}

.strategic-advantage:hover {
    background-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-5px);
}

.strategic-advantage i {
    font-size: 2.5rem;
    color: var(--secondary-light);
    margin-bottom: 1rem;
}

.strategic-advantage h3 {
    color: var(--light-text);
    margin-bottom: 1rem;
}

/* Founder section */
.founder-content {
    text-align: left;
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    padding-top: 1rem;
}

.founder-left-portrait {
    float: left;
    width: 300px;
    height: 430px;
    object-fit: cover;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    margin: 0 2rem 1rem 0;
    transition: all 0.3s ease;
}

.founder-left-portrait:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-lg);
}

.founder-content h3 {
    clear: none;
    color: var(--primary-dark);
    margin-bottom: 0.5rem;
    font-size: 1.8rem;
}

.founder-title {
    font-style: italic;
    color: #555;
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
}

.founder-content p {
    margin-bottom: 1.5rem;
}

/* Contact section */
.contact-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 3rem;
}

.contact-form-container {
    max-width: 700px;
    margin: 0 auto;
}

.contact-form {
    background-color: var(--card-bg);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-group input, .form-group textarea {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-family: 'Roboto', sans-serif;
    transition: var(--transition);
}

.form-group input:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(98, 0, 234, 0.1);
}

.form-group.error input, .form-group.error textarea {
    border-color: var(--error-color);
}

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

.error-message {
    color: var(--error-color);
    font-size: 0.85rem;
    margin-top: 0.5rem;
    display: none;
}

.success-message {
    background-color: rgba(46, 204, 113, 0.1);
    color: #2ecc71;
    padding: 1.5rem;
    border-radius: var(--border-radius);
    border-left: 4px solid #2ecc71;
    margin-bottom: 2rem;
    display: none;
}

.loading {
    display: none;
    text-align: center;
    margin-top: 1rem;
    color: var(--primary-color);
    font-weight: 500;
}

.loading:after {
    content: ".";
    animation: dots 1.5s steps(5, end) infinite;
}

@keyframes dots {
    0%, 20% { content: "."; }
    40% { content: ".."; }
    60% { content: "..."; }
    80%, 100% { content: ""; }
}

/* Footer */
footer {
    background-color: var(--dark-bg);
    color: var(--light-text);
    padding: 4rem 0 2rem;
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    margin-bottom: 3rem;
}

.footer-logo {
    flex: 1;
    min-width: 250px;
    margin-bottom: 2rem;
}

.footer-logo h2 {
    font-size: 1.8rem;
    background: linear-gradient(90deg, var(--primary-light), var(--secondary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.footer-links {
    flex: 2;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
}

.footer-column {
    min-width: 150px;
    margin-bottom: 2rem;
}

.footer-column h3 {
    color: var(--light-text);
    margin-bottom: 1.2rem;
    position: relative;
    padding-bottom: 0.5rem;
}

.footer-column h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-light), var(--secondary-light));
}

.footer-column ul {
    list-style: none;
}

.footer-column ul li {
    margin-bottom: 0.8rem;
}

.footer-column a {
    color: #aaa;
    transition: var(--transition);
}

.footer-column a:hover {
    color: var(--secondary-light);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid #333;
}

.social-links a {
    color: #aaa;
    font-size: 1.2rem;
    margin-left: 1rem;
    transition: var(--transition);
}

.social-links a:hover {
    color: var(--secondary-light);
}

/* Responsive Design */
@media (max-width: 992px) {
    .two-column {
        flex-direction: column;
    }

    .two-column.reverse {
        flex-direction: column;
    }

    .hero h1 {
        font-size: 2.8rem;
    }

    .hero h2 {
        font-size: 1.8rem;
    }

    .tab-image {
        width: 100%;
        height: 300px;
    }

    .arch-grid {
        grid-template-columns: repeat(3, 1fr); /* Maintain 3 columns at this breakpoint */
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--card-bg);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow);
        padding: 2rem 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-menu li {
        margin: 1.5rem 0;
    }

    .nav-toggle {
        display: block;
    }

    .nav-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .nav-toggle.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .section-header h2 {
        font-size: 2rem;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero h2 {
        font-size: 1.5rem;
    }

    .tab-pane-content {
        flex-direction: column;
    }

    .footer-content {
        flex-direction: column;
    }

    .footer-links {
        flex-direction: column;
    }
    
    .founder-left-portrait {
        float: none;
        display: block;
        margin: 0 auto 2rem;
    }
    
    .founder-content {
        text-align: center;
    }
    
    .square-left-image {
        float: none;
        display: block;
        margin: 0 auto 2rem;
    }

    .arch-grid {
        grid-template-columns: repeat(2, 1fr); /* 2 columns at medium breakpoint */
    }
}

@media (max-width: 576px) {
    .section {
        padding: 60px 0;
    }

    .section-header h2 {
        font-size: 1.8rem;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero h2 {
        font-size: 1.3rem;
    }

    .feature-grid, .capabilities-container, .strategic-advantages {
        grid-template-columns: 1fr;
    }
     .arch-grid {
        grid-template-columns: 1fr; /* Single column on smallest screens */
    }

    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .social-links {
        margin-top: 1rem;
    }
}