/* ===========================
   QuantumLane Technologies
   Landing Page Styles
   =========================== */

/* CSS Variables - Brand Colors */
:root {
    --primary-blue: #0066CC;
    --primary-purple: #7B2FFF;
    --accent-cyan: #00D9FF;
    --dark-bg: #0A0E27;
    --light-bg: #F8F9FA;
    --text-dark: #1A1A2E;
    --text-light: #FFFFFF;
    --text-gray: #6C757D;
    --card-bg: #FFFFFF;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 8px 16px rgba(0, 0, 0, 0.15);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--light-bg);
}

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

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 {
    font-size: 3rem;
}

h2 {
    font-size: 2.5rem;
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: 1rem;
}

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

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

/* Header & Navigation */
header {
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-purple));
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo img {
    height: 40px;
    width: auto;
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    color: var(--text-light);
    font-weight: 600;
    transition: opacity 0.3s ease;
}

.nav-links a:hover {
    opacity: 0.8;
}

.nav-links .cta-button {
    background-color: var(--accent-cyan);
    color: var(--text-dark);
    padding: 0.5rem 1.5rem;
    border-radius: 6px;
    font-weight: 700;
}

.nav-links .cta-button:hover {
    background-color: var(--text-light);
    opacity: 1;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-purple));
    color: var(--text-light);
    padding: 5rem 0;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.95;
    line-height: 1.6;
}

.hero-cta {
    display: flex;
    gap: 1rem;
}

.button {
    display: inline-block;
    padding: 0.875rem 2rem;
    border-radius: 6px;
    font-weight: 700;
    font-size: 1rem;
    transition: all 0.3s ease;
    text-align: center;
}

.button-primary {
    background-color: var(--accent-cyan);
    color: var(--text-dark);
}

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

.button-secondary {
    background-color: transparent;
    color: var(--text-light);
    border: 2px solid var(--text-light);
}

.button-secondary:hover {
    background-color: var(--text-light);
    color: var(--primary-blue);
}

.hero-image img {
    width: 100%;
    height: auto;
    filter: drop-shadow(0 10px 30px rgba(0, 0, 0, 0.3));
}

/* About Section */
.about {
    padding: 5rem 0;
    background-color: var(--light-bg);
}

.about h2 {
    text-align: center;
    margin-bottom: 1rem;
    color: var(--primary-blue);
}

.section-intro {
    text-align: center;
    font-size: 1.25rem;
    color: var(--text-gray);
    max-width: 800px;
    margin: 0 auto 3rem;
}

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

.feature-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    text-align: center;
}

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

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    color: var(--primary-blue);
    margin-bottom: 1rem;
}

.feature-card p {
    color: var(--text-gray);
    margin-bottom: 0;
}

/* Benefits Section */
.benefits {
    padding: 5rem 0;
    background: linear-gradient(135deg, var(--dark-bg), var(--primary-blue));
    color: var(--text-light);
}

.benefits h2 {
    text-align: center;
    margin-bottom: 3rem;
    color: var(--text-light);
}

.benefits-list {
    display: grid;
    gap: 2rem;
    max-width: 900px;
    margin: 0 auto;
}

.benefit-item {
    display: grid;
    grid-template-columns: 150px 1fr;
    gap: 2rem;
    align-items: center;
    background: rgba(255, 255, 255, 0.1);
    padding: 2rem;
    border-radius: 12px;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.benefit-item:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateX(10px);
}

.benefit-number {
    font-size: 2.5rem;
    font-weight: 900;
    text-align: center;
    color: var(--accent-cyan);
}

.benefit-content h3 {
    color: var(--accent-cyan);
    margin-bottom: 0.5rem;
}

.benefit-content p {
    opacity: 0.9;
    margin-bottom: 0;
}

/* Use Cases Section */
.use-cases {
    padding: 5rem 0;
    background-color: var(--light-bg);
}

.use-cases h2 {
    text-align: center;
    margin-bottom: 3rem;
    color: var(--primary-blue);
}

.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.use-case-card {
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-purple));
    color: var(--text-light);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

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

.use-case-card h3 {
    color: var(--accent-cyan);
    margin-bottom: 1rem;
}

.use-case-card p {
    opacity: 0.95;
    margin-bottom: 0;
}

/* Contact Section */
.contact {
    padding: 5rem 0;
    background-color: var(--card-bg);
}

.contact h2 {
    text-align: center;
    margin-bottom: 1rem;
    color: var(--primary-blue);
}

.contact-intro {
    text-align: center;
    font-size: 1.25rem;
    color: var(--text-gray);
    max-width: 700px;
    margin: 0 auto 3rem;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    max-width: 900px;
    margin: 0 auto;
}

.contact-method {
    text-align: center;
    padding: 2rem;
    background: var(--light-bg);
    border-radius: 12px;
    transition: all 0.3s ease;
}

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

.contact-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.contact-method h3 {
    color: var(--primary-blue);
    margin-bottom: 0.5rem;
}

.contact-method a {
    color: var(--primary-purple);
    font-weight: 600;
    word-break: break-word;
}

.contact-method a:hover {
    color: var(--accent-cyan);
}

/* Footer */
footer {
    background: linear-gradient(135deg, var(--dark-bg), var(--primary-blue));
    color: var(--text-light);
    padding: 3rem 0 2rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.footer-logo img {
    height: 40px;
    width: auto;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: var(--text-light);
    font-weight: 600;
    opacity: 0.9;
    transition: opacity 0.3s ease;
}

.footer-links a:hover {
    opacity: 1;
    color: var(--accent-cyan);
}

.footer-bottom {
    text-align: center;
    opacity: 0.8;
}

.footer-bottom p {
    margin-bottom: 0.5rem;
}

.trademark {
    font-size: 0.875rem;
    opacity: 0.7;
}

/* Responsive Design */
@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.75rem;
    }

    .hero .container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

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

    .hero-subtitle {
        font-size: 1.125rem;
    }

    .hero-cta {
        flex-direction: column;
    }

    .hero-image {
        order: -1;
    }

    .nav-links {
        gap: 1rem;
    }

    .nav-links a:not(.cta-button) {
        display: none;
    }

    .features-grid,
    .use-cases-grid {
        grid-template-columns: 1fr;
    }

    .benefit-item {
        grid-template-columns: 1fr;
        gap: 1rem;
        text-align: center;
    }

    .footer-content {
        flex-direction: column;
        gap: 2rem;
    }

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

    .contact-info {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero {
        padding: 3rem 0;
    }

    .about,
    .benefits,
    .use-cases,
    .contact {
        padding: 3rem 0;
    }

    .section-intro {
        font-size: 1.125rem;
    }

    .button {
        width: 100%;
    }
}

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

/* Selection Colors */
::selection {
    background-color: var(--accent-cyan);
    color: var(--text-dark);
}

::-moz-selection {
    background-color: var(--accent-cyan);
    color: var(--text-dark);
}